CN116677735A - A hydraulic fan anti-reverse device - Google Patents

Abstract

The invention relates to the technical field of fan anti-reversal equipment, and specifically discloses a hydraulic fan anti-reversal device, the casing part of which is arranged on the rotating shaft; the ratchet part is arranged in the installation cavity; the first hydraulic part is arranged on the casing part The ratchet part is arranged in the installation cavity; the signal of the detection part is received by the control valve part, the on-off of the branch oil passage is controlled, and then the lifting of the first piston part is controlled, so that the stroke rod part moves, so that the ratchet part moves sports. In the present invention, the combination of the hydraulic pressure and the ratchet structure is used to prevent the reverse rotation of the fan, and the lifting and lowering of the ratchet part is controlled in a hydraulic way, which avoids the problem of wear and tear caused by the long-term contact between the ratchet and the ratchet. method, which improves the response speed of the stop brake; through the clamping part, the speed of the fan rotating shaft is reduced, and the locking device is used to lock the pawl part, so as to avoid the influence of the ratchet part on the pawl part at high speed, and improve the service life.

Description

A hydraulic fan anti-reverse device

technical field

The invention belongs to the technical field of fan anti-reverse equipment, and in particular relates to a hydraulic fan anti-reverse device.

Background technique

Power plants are one of the main sources of electricity for people's lives and work. At present, most of the power plants in my country are thermal power plants, which burn special coal to generate electricity. In order to ensure that the coal can be fully burned, it needs to be oxygenated by fans. , in order to prevent the reverse of the fan from reducing the internal oxygen concentration, it is necessary to install an anti-reverse device on the fan.

Most of the existing anti-reversing devices use a ratchet mechanism, and the limit structure inside the ratchet mechanism is in continuous contact with the rotating structure, which is likely to cause greater wear and tear, and the anti-reversing function will fail after a long period of use.

At present, a power plant fan anti-reverse device with publication number CN211924546U and application number CN201922477751.3 is disclosed, which relates to the field of fan anti-reversal. In order to solve the problem of existing anti-reversal devices, most of the existing anti-reversal devices use ratchet mechanisms, and the limit structure inside the ratchet mechanism continues Contact with the rotating structure will easily cause greater wear and tear, and the anti-reverse function will fail after long-term use. The inside of the anti-reversal housing is provided with an anti-reversal disc, and the anti-reversal disc is sleeved on the outer surface of the rotation axis, and the rotation axis runs through the position of the central axis of the anti-reversal housing, and the rotation The two ends of the shaft are respectively placed outside the anti-reversal housing, the edge position of the outer surface of the anti-reversal disk is provided with a toothed groove, and the inside of the toothed groove is provided with a locking rod, and one end of the locking rod It is inclined, and the other end of the locking rod is placed inside the limiting outer casing. Although the above-mentioned patent avoids wear and tear due to long-term contact, thereby avoiding the failure of the anti-reversal, the transmission structure of the device is complicated, and the reversing of the fan cannot be stopped immediately, and the use effect is not good.

Contents of the invention

The purpose of the present invention is to provide a hydraulic fan anti-reverse device to solve the technical problems of the existing anti-reversal equipment, such as complex structure, slow response speed and poor braking effect.

In order to solve the problems of the technologies described above, the specific technical solutions of the present invention are as follows:

In some embodiments of the present application, a hydraulic fan anti-reverse device is provided, including:

A casing part, the casing part is arranged on the rotating shaft of the fan, and has an installation cavity inside;

a ratchet part, the ratchet part is arranged at the center of the installation cavity, and is in sliding connection with the housing part;

a first hydraulic component, the first hydraulic component is arranged on the shell component, and its output end passes through the shell component to the installation cavity;

a ratchet component, the ratchet component is arranged in the installation cavity, and is connected to the output end of the first hydraulic component through an elastic connector;

The first hydraulic component is respectively provided with an oil inlet passage, a branch oil passage, an oil outlet passage and a stroke groove;

The oil inlet and the oil outlet of the branch oil passage are connected with the oil inlet respectively, and the oil outlet corresponds to the position of the stroke groove;

The stroke groove is arranged at the oil inlet of the oil outlet, which is in a vertical relationship with the oil outlet;

The oil outlet passage and the oil inlet passage are in a parallel relationship;

a first sliding part, the first sliding part is arranged at the oil outlet of the branch oil passage;

a first piston part, the first piston part is arranged on the first sliding part, and its output end passes through the first sliding part;

A control valve component, the control valve component is arranged in the branch oil passage, which is connected with the external detection component;

The stroke rod part has a hollow groove inside the stroke rod part, the stroke rod part is arranged in the stroke groove, and the first extension part at the bottom of the stroke rod goes out through the stroke groove;

The first connecting plate part, the first connecting plate part is provided with a connecting part, which is fixedly connected with the first extension part;

The connecting part is connected with the pawl part;

a first elastic part, the first elastic part is arranged in the hollow groove of the stroke rod part, and its two ends are respectively connected with the hollow groove and the stroke rod part;

The control valve part receives the signal from the detection part, controls the on-off of the branch oil passage, and then controls the lifting of the first piston part, so that the stroke rod part moves, so that the ratchet part moves, and the locking operation of the ratchet part is completed.

In some embodiments of the present application, it also includes: a locking component, the locking component is arranged in the installation cavity, its input end is connected to the output end of the first hydraulic component, and its clamping part is connected to the ratchet component;

Locking parts include:

a cavity part, the cavity part has a mounting part inside,

a supporting part, the supporting part is arranged on the installation part of the cavity part, and a slide rail assembly is arranged on it;

a movable part, the movable part is arranged on the supporting part, and a central shaft is arranged at the center thereof;

The central shaft is connected with the ratchet part;

a second elastic part, the second elastic part is arranged on the central axis on one side of the movable part;

The first board part, the first board part is arranged on the slide rail assembly, which is located on one side of the movable part, and the two sides of the first board part are also provided with protrusions;

The first plate part is also provided with a first limiting part, and the first limiting part corresponds to the shape of the movable part;

The second board part, the second board part is arranged on the slide rail assembly, which is located on one side of the movable part, and the two sides of the second board part are also provided with protrusions;

The second plate part is also provided with a second limiting part, and the second limiting part corresponds to the shape of the movable part;

The stroke rod assembly is symmetrically arranged on both sides of the first plate body part and the second plate body part, which pass through the protrusions of the first plate body part and the second plate body part respectively, and are located at the first plate body part A second elastic member is provided on the travel lever assembly between the first plate body part and the second plate body part;

a flat plate part, the flat part is arranged at one end of the two stroke rod assemblies, and it is fixedly connected with the stroke rod assembly;

A rotating part, the rotating part is arranged on the installation part, which is located between the second plate part and the flat part, and the input end of the rotating part is provided with a swinging part;

A special-shaped part, the special-shaped part is arranged on the rotating part of the rotating part, and it is respectively connected to the second plate body part and the flat plate part by sliding;

A connecting rod assembly, one end of the connecting rod assembly is hingedly connected to the swing part, and the other end is connected to the connecting part of the first hydraulic part.

In some embodiments of the present application, a first arc-shaped groove is provided on one side of the first plate body, and teeth are provided in the arc-shaped groove;

A second arc-shaped groove is provided on one side of the second plate body, and teeth are arranged in the arc-shaped groove;

The first arc-shaped groove is opposite to the second arc-shaped groove;

The movable part is a gear structure.

In some embodiments of the present application, it also includes: a clamping part, the clamping part is arranged on the rotating shaft of the fan, and it is connected with the housing part;

Clamping parts include:

a bracket part, the bracket part is connected with the housing part, and the bottom of the bracket part is provided with a rotating shaft part;

a first arc-shaped plate part, one end of the first arc-shaped plate part is hingedly connected to the rotating shaft part, and the other end is provided with a limit assembly;

A second arc-shaped plate component, one end of which is hinged to the shaft component, and a limit assembly is provided on the other end;

The first arc-shaped plate part and the second arc-shaped plate part are relatively set;

guide rod parts, the guide rod parts respectively pass through the limit assemblies of the first arc-shaped plate part and the second arc-shaped plate part;

A telescopic part, the telescopic part is arranged on one side of the guide rod part, and its telescopic end is fixedly connected with the guide rod part;

The third elastic part is arranged on the guide bar part between the first arc-shaped plate part and the second arc-shaped plate part.

In some embodiments of the present application, the second hydraulic component replaces the telescopic component;

The second hydraulic component includes:

An oil chamber part, the oil chamber part is provided with an oil storage chamber, and the bottom of the oil chamber part is provided with a first oil passage, a second oil passage and a third oil passage;

The oil storage chambers have a stepped structure and are respectively the first oil chamber, the second oil chamber and the third oil chamber;

The first oil passage corresponds to the position of the first oil chamber;

The second oil passage corresponds to the position of the second oil chamber;

The third oil passage corresponds to the position of the third oil chamber;

a buffer component, the buffer component is arranged in the first oil chamber;

a second piston part, the second piston part is arranged in the third oil chamber, and has a mounting groove inside;

The upper and lower sides of the installation groove are provided with through holes;

a second extension part, the second extension part is arranged on the second piston part, and it passes through the oil chamber part;

a second connecting plate part, the second connecting plate part is connected to one end of the second extension part, and it is also connected to the guide rod part;

The fourth elastic component is arranged in the installation groove, and its two ends are respectively connected with the side wall of the third oil chamber and the side wall of the installation groove.

In some embodiments of the present application, the buffer component has a cross-shaped structure, and the first oil passage is provided on one side of the longitudinal assembly of the buffer component.

In some embodiments of the present application, a sealing part is provided at the junction of the second extension part and the oil chamber part;

In some embodiments of the present application, wear-resistant parts are provided inside the first arc-shaped plate component and the second arc-shaped plate component.

In some embodiments of the present application, the wear-resistant component is made of non-fluid material.

Compared with the prior art, the beneficial effect of the present invention is that the present invention uses the combination of hydraulic pressure and ratchet structure to perform anti-reversal operation on the fan, and controls the lifting and lowering of the ratchet parts in a hydraulic way, avoiding the need for a long time for the ratchet. The contact with the ratchet will cause wear and tear. By adopting hydraulic control, the response speed of the brake is improved; in addition, through the use of secondary hydraulic components, the speed of the fan rotating shaft is reduced, and at the same time, a locking device is used to lock the ratchet. The parts are locked, which avoids the influence of the ratchet part on the pawl part under the high-speed state, and improves the service life.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

Fig. 1 is a schematic diagram of the overall installation structure provided by the embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the housing components provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the first hydraulic component provided by the embodiment of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the locking component provided by the embodiment of the present invention;

Fig. 5 is a front structural schematic view of the ratchet part provided by the embodiment of the present invention;

Fig. 6 is a side view structural schematic diagram of the ratchet part provided by the embodiment of the present invention;

Fig. 7 is a schematic structural diagram of the first board part provided by the embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a clamping component provided by an embodiment of the present invention.

Fig. 9 is a schematic diagram of the internal structure of the secondary hydraulic components provided by the embodiment of the present invention.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the application.

The terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

In order to better understand the purpose, structure and function of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings.

Referring to Figures 1-3, according to some embodiments of the present application, including:

A housing part 1, the housing part 1 is arranged on the rotating shaft of the fan, and has an installation cavity therein;

The ratchet part 101, the ratchet part 101 is arranged at the center of the installation cavity, and it is in sliding connection with the housing part 1;

Specifically, a chute is provided in the installation cavity, and the ratchet part 101 is arranged on the rotating shaft, and a protrusion is provided on it. The part can slide in the chute, so that the housing part 1 does not rotate;

The first hydraulic component 2, the first hydraulic component 2 is arranged on the shell component 1, and its output end passes through the shell component 1 to the installation cavity;

The ratchet part 102, the ratchet part 102 is arranged in the installation cavity, which is connected to the output end of the first hydraulic component 2 through an elastic connector;

Specifically, the number of ratchet parts 102 corresponds to the number of the first hydraulic parts 2. If multiple parts are used, the ratchet parts 102 are arranged in an annular array in the installation cavity. Similarly, the first hydraulic parts 2 are The annular array is arranged on the housing part 1;

The first hydraulic component 2 is respectively provided with an oil inlet passage 201, a branch oil passage 202, an oil outlet passage 207 and a stroke groove 208;

The oil inlet and the oil outlet of the branch oil passage 202 are respectively connected with the oil inlet passage 201, and the oil outlet thereof corresponds to the position of the stroke groove 208;

The stroke groove 208 is arranged at the oil inlet of the oil outlet passage 207, and it is in a vertical relationship with the oil outlet passage 207;

The oil outlet passage 207 and the oil inlet passage 201 are in a parallel relationship;

The first sliding part 204, the first sliding part 204 is arranged at the oil outlet of the branch oil passage 202;

The first piston part 205, the first piston part 205 is arranged on the first sliding part 204, and its output end passes through the first sliding part 204;

Specifically, an elastic assembly 206 is provided between the first piston part 205 and the first sliding part 204, and an overflow hole is also provided on the first piston part 205; then the piston part is supported by the elastic assembly 206 to prevent the piston from The components fall in a natural state, and at the same time, they can be reset in time when the branch oil passage 202 is closed;

A control valve component 203, the control valve component 203 is arranged in the branch oil passage 202, which is connected with the external detection component;

Stroke rod part 209, the stroke rod part 209 has a hollow groove, the stroke rod part 209 is arranged in the stroke groove 208, and the first extension part 210 at the bottom of it goes out through the stroke groove 208;

The first connecting plate part 211, the first connecting plate part 211 is provided with a connecting part 212, which is fixedly connected with the first extension part 210;

The connecting part 212 is connected with the ratchet part 102;

The first elastic part 213, the first elastic part 213 is arranged in the hollow groove of the stroke rod part 209, and its two ends are respectively connected with the hollow groove and the stroke rod part 209;

The control valve part 203 is electrically connected to the detection part, and the detection part detects the current rotation direction of the rotating shaft;

Through the above technical solution, the technical effect produced by this embodiment is: after the hydraulic oil enters through the oil inlet passage 201, because the stroke rod part 209 is in a stretched state under the action of the first elastic part, at this time, the stroke rod part 209 makes the stroke rod part 209 stretch. The oil passage 201 and the oil outlet passage 207 are in a closed state, hydraulic oil cannot pass through, and then enters the first sliding part 204 through the branch oil passage 202, so that the first piston part 205 moves down, and the output end of the first piston part 205 will be The stroke rod part 209 is pressed down to open the passage between the oil inlet passage 201 and the oil outlet passage 207. At this time, the connecting part 212 on the stroke rod part 209 moves down, driving the pawl part 102 to move down, so that the pawl part 102 is in contact with the ratchet part 101, and then the ratchet part 101 is braked by the ratchet part 102, thereby avoiding the long-term contact between the ratchet and the ratchet, and at the same time, the response speed is fast and the braking effect is good. premise.

As shown in accompanying drawings 4-7, in a certain embodiment of the present application, it also includes: a locking component 4, the locking component 4 is arranged in the installation cavity, and its input end is connected with the output end of the first hydraulic component 2 connected, its clamping part is connected with the ratchet part 102;

Locking part 4 comprises:

A cavity part 401, the cavity part 401 has a mounting part inside;

The cavity part 401 is specifically a box structure for accommodating various components;

A supporting part 42, the supporting part 42 is arranged on the mounting part of the cavity part 401, and a slide rail assembly 43 is arranged on it;

The support member 42 is specifically a support plate;

A movable part 401, the movable part 401 is arranged on the supporting part 42, and a central shaft 404 is arranged at the center thereof;

The central shaft 404 is connected with the pawl member 102;

The second elastic part 403, the second elastic part 403 is arranged on the central axis 404 on one side of the movable part 401;

The second elastic member 403 is specifically a torsion spring to avoid excessive rotation of the movable member 401;

Specifically, the movable part 401 is a gear structure, the central shaft 404 runs through the center of the gear, the central shaft 404 is set in the limiting hole of the mounting part, and the second elastic part 403 is in contact with the limiting hole;

The first plate part 44, the first plate part 44 is arranged on the slide rail assembly 43, it is located on the side of the movable part 401, and the two sides of the first plate part 44 are also provided with protrusions;

One side of the first plate part 44 is provided with a first arc-shaped groove 441, and teeth are arranged in the arc-shaped groove;

The second plate part 45, the second plate part 45 is arranged on the slide rail assembly 43, it is located on the side of the movable part 401, and the two sides of the second plate part 45 are also provided with protrusions;

One side of the second plate body part 45 is provided with a second arc-shaped groove 451, and teeth are arranged in the arc-shaped groove;

The first arc-shaped groove 441 is opposite to the second arc-shaped groove 451;

The stroke rod assembly 46 is symmetrically arranged on both sides of the first plate body part 44 and the second plate body part 45, which respectively pass through the protrusions of the first plate body part 44 and the second plate body part 45 Components, and a second elastic member is provided on the stroke rod assembly 46 between the first plate part 44 and the second plate part 45;

Flat plate part 47, described flat part 47 is located at one end of two travel rod assemblies 46, and it is fixedly connected with travel rod assembly 46;

The plate part 47 and the stroke rod assembly 46 form a 匚-shaped structure;

A rotating part, the rotating part is arranged on the installation part, which is located between the second plate part 45 and the flat part 47, and the input end of the rotating part is provided with a swing part 49;

The rotating component is specifically a rotating shaft;

Special-shaped part 48, described special-shaped part 48 is arranged on the rotating part of rotating part, and it is respectively connected with the second plate body part 45, plate part 47 sliding connection;

The special-shaped part 48 is shown in Fig. 4 for details;

A connecting rod assembly 402 , one end of the connecting rod assembly 402 is hingedly connected to the swing member 49 , and the other end is connected to the connecting member 212 of the first hydraulic component 2 .

Through the above technical solution, the technical effect produced by this embodiment is: the connecting part 212 of the first hydraulic component 2 is connected to the connecting rod part, and the connecting rod part is made to swing by pressing down or lifting up, and then the shape of the special-shaped part 48 is changed. The positional relationship makes the second plate body part 45 and the flat plate part 47 change in the position of the stroke rod assembly 46. When the special-shaped part 48 is in the longitudinal state (initial state), the first plate body part 44 and the second plate body part 45 are separated , the movable part 401 can freely reciprocate the rotation, and now the ratchet part 102 can freely reciprocate the rotation. The tooth structure limits the movable part 401. At this time, the movable part 401 cannot rotate, that is, the ratchet part 102 is fixed, and the brake operation is performed on the ratchet part 101 to prevent the ratchet part 102 from occurring when the ratchet part 102 enters the high-speed state. Too intense collision provides a prerequisite for improving the braking effect.

Referring to Figure 8, in a certain embodiment of the present application, it also includes: a clamping part 3, which is arranged on the rotating shaft of the fan and connected to the housing part 1;

Clamping part 3 includes:

A bracket part 31, the bracket part 31 is connected with the housing part 1, and a rotating shaft part 32 is arranged at the bottom thereof;

The first arc-shaped plate part 33, one end of the first arc-shaped plate part 33 is hingedly connected with the rotating shaft part 32, and the other end is provided with a limiting assembly;

The second arc-shaped plate part 34, one end of the second arc-shaped plate part 34 is hingedly connected with the rotating shaft part 32, and the other end is provided with a limiting assembly;

The first arc-shaped plate part 33 and the second arc-shaped plate part 34 are relatively set;

Guide rod parts 35, said guide rod parts 35 respectively penetrate through the limiting assemblies of the first arc-shaped plate part 33 and the second arc-shaped plate part 34;

A telescopic part 37, the telescopic part 37 is arranged on one side of the guide rod part 35, and its telescopic end is fixedly connected with the guide rod part 35;

The telescopic part 37 is a device that can cause the displacement of the guide rod part 35, and can adopt telescopic cylinder, hydraulic pressure and other structures;

The third elastic component 36 is provided on the guide bar component 35 between the first arc-shaped plate component 33 and the second arc-shaped plate component 34 .

The third elastic member 36 is a spring.

A wear-resistant part 38 is provided inside the first arc-shaped plate part 33 and the second arc-shaped plate part 34 .

The wear-resistant part 38 is made of non-fluid materials, such as rubber, gray cast iron, ceramics, high-carbon aluminum alloy, etc.;

In order to improve the braking effect, a groove portion can be added on the wear-resistant part 38 to improve the friction force;

The shape of the groove portion may be linear, circular, polygonal, or the like.

Through the above-mentioned technical scheme, the technical effect produced is: change the length of the guide rod between the first arc-shaped plate member 33 and the second arc-shaped plate member 34 through the telescopic member 37, and then make the first arc-shaped plate member 33 and the second arc-shaped plate member 33 The two arc-shaped plate parts 34 clamp the rotating shaft of the fan, thereby reducing the rotating speed of the rotating shaft, so that the ratchet part 102 can enter the ratchet part 101 more easily, limit the ratchet part 101, and improve the stability of the brake , and the service life of the ratchet part 102 and the ratchet part 101 is improved, which provides a prerequisite for improving the braking effect.

Referring to Figure 9, in a certain embodiment of the present application, the telescopic component 37 is the second hydraulic component 5;

The second hydraulic component 5 includes:

An oil chamber part 51, the oil chamber part 51 is provided with an oil storage chamber, and the bottom of the oil chamber part 51 is provided with a first oil passage 52, a second oil passage 53 and a third oil passage 54;

The oil storage chambers have a stepped structure, including the first oil chamber 511, the second oil chamber 512 and the third oil chamber 513;

The first oil passage 52 corresponds to the position of the first oil chamber 511;

The second oil passage 53 corresponds to the position of the second oil chamber 512;

The third oil passage 54 corresponds to the position of the third oil chamber 513;

The buffer component is arranged in the first oil cavity 511; the buffer component is a cross-shaped structure, and the first oil channel 52 is arranged on the side of the longitudinal assembly of the buffer component.

The second piston part 56, the second piston part 56 is arranged in the third oil chamber 513, and has a mounting groove inside it;

The upper and lower sides of the installation groove are provided with through holes;

The second extension part 58, the second extension part 58 is arranged on the second piston part 56, and it goes out through the oil chamber part 51; the second extension part 58 and the oil chamber part 51 are connected with a sealing part ;

The second connecting plate part 59, the second connecting plate part 59 is connected to one end of the second extension part 58, and it is also connected to the guide rod part 35;

The fourth elastic component 57 is arranged in the installation groove, and its two ends are respectively connected with the side wall of the third oil chamber 513 and the side wall of the installation groove.

Through the above-mentioned technical solution, the technical effect produced is: in the expanded state (that is, the distance between the first arc-shaped plate member 33 and the second arc-shaped plate member 34 remains unchanged, which is the original state), the first oil passage 52 is closed , the second oil passage 53 enters oil, and the oil fills the second oil chamber 512 and the third oil chamber 513, so that the second piston part 56 moves, and the oil flows out from the third oil passage 54. At this time, the second piston part 56 Drive the second extension part 58 and the second connecting plate part 59 to move, make the guide rod part 35 in the original state; , the first arc-shaped plate member 33 and the second arc-shaped plate member 34 are in contact with the rotating shaft and are in a clamped state), the first oil passage 52 is opened, and oil is injected into the first oil chamber 511 to move the buffer member, and at the same time the second The three oil passages 54 feed oil to fill the second oil chamber 512, the third oil chamber 513 and the mounting groove of the second piston member 56, so that the second piston member 56 is displaced under the action of the fourth elastic member 57, Due to the water hammer effect in the process, the second piston part 56 is buffered by the buffer part to improve stability. When the second piston part 56 moves, it drives the second extension part 58 and the second connecting plate part 59 to move. Make the guide rod part 35 in the recovery state, that is, complete the clamping operation. During the process, the working states of the first oil passage 52, the second oil passage 53 and the third oil passage 54 are controlled by the control terminal. When the control terminal receives the detection component When the signal of the rotation shaft reversal is detected, the state of the second hydraulic component 5 is changed, and at the same time, an instruction is given to the first hydraulic component to perform a braking operation, which improves the speed and stability of the clamping operation and improves the braking effect.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for relevant details, please refer to the description of the method part.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A hydraulic fan anti-reverse device, characterized in that it comprises: A casing part, the casing part is arranged on the rotating shaft of the fan, and has an installation cavity inside; a ratchet part, the ratchet part is arranged at the center of the installation cavity, and is in sliding connection with the housing part; a first hydraulic component, the first hydraulic component is arranged on the shell component, and its output end passes through the shell component to the installation cavity; a ratchet component, the ratchet component is arranged in the installation cavity, and is connected to the output end of the first hydraulic component through an elastic connector; The first hydraulic component is respectively provided with an oil inlet passage, a branch oil passage, an oil outlet passage and a stroke groove; The oil inlet and the oil outlet of the branch oil passage are connected with the oil inlet respectively, and the oil outlet corresponds to the position of the stroke groove; The stroke groove is arranged at the oil inlet of the oil outlet, which is in a vertical relationship with the oil outlet; The oil outlet passage and the oil inlet passage are in a parallel relationship; a first sliding part, the first sliding part is arranged at the oil outlet of the branch oil passage; a first piston part, the first piston part is arranged on the first sliding part, and its output end passes through the first sliding part; A control valve component, the control valve component is arranged in the branch oil passage, which is connected with the external detection component; The stroke rod part has a hollow groove inside the stroke rod part, the stroke rod part is arranged in the stroke groove, and the first extension part at the bottom of the stroke rod goes out through the stroke groove; The first connecting plate part, the first connecting plate part is provided with a connecting part, which is fixedly connected with the first extension part; The connecting part is connected with the pawl part; a first elastic part, the first elastic part is arranged in the hollow groove of the stroke rod part, and its two ends are respectively connected with the hollow groove and the stroke rod part; The control valve part receives the signal from the detection part, controls the on-off of the branch oil passage, and then controls the lifting of the first piston part, so that the stroke rod part moves, so that the ratchet part moves, and the locking operation of the ratchet part is completed. 2. A hydraulic blower anti-reverse device according to claim 1, further comprising: a locking component, the locking component is arranged in the installation cavity, and its input end is connected with the output of the first hydraulic component The end is connected, and its clamping part is connected with the ratchet part; Locking parts include: a cavity part, the cavity part has a mounting part inside, a supporting part, the supporting part is arranged on the installation part of the cavity part, and a slide rail assembly is arranged on it; a movable part, the movable part is arranged on the supporting part, and a central shaft is arranged at the center thereof; The central shaft is connected with the ratchet part; a second elastic part, the second elastic part is arranged on the central axis on one side of the movable part; The first board part, the first board part is arranged on the slide rail assembly, which is located on one side of the movable part, and the two sides of the first board part are also provided with protrusions; The first plate part is also provided with a first limiting part, and the first limiting part corresponds to the shape of the movable part; The second board part, the second board part is arranged on the slide rail assembly, which is located on one side of the movable part, and the two sides of the second board part are also provided with protrusions; The second plate part is also provided with a second limiting part, and the second limiting part corresponds to the shape of the movable part; The stroke rod assembly is symmetrically arranged on both sides of the first plate body part and the second plate body part, which pass through the protrusions of the first plate body part and the second plate body part respectively, and are located at the first plate body part A second elastic member is provided on the travel lever assembly between the first plate body part and the second plate body part; a flat plate part, the flat part is arranged at one end of the two stroke rod assemblies, and it is fixedly connected with the stroke rod assembly; A rotating part, the rotating part is arranged on the installation part, which is located between the second plate part and the flat part, and the input end of the rotating part is provided with a swinging part; A special-shaped part, the special-shaped part is arranged on the rotating part of the rotating part, and it is respectively connected to the second plate body part and the flat plate part by sliding; A connecting rod assembly, one end of the connecting rod assembly is hingedly connected to the swing part, and the other end is connected to the connecting part of the first hydraulic part. 3. A hydraulic fan anti-reverse device according to claim 2, characterized in that: A first arc-shaped groove is provided on one side of the first plate body, and teeth are arranged in the arc-shaped groove; A second arc-shaped groove is provided on one side of the second plate body, and teeth are arranged in the arc-shaped groove; The first arc-shaped groove is opposite to the second arc-shaped groove; The movable part is a gear structure. 4. A hydraulic fan anti-reverse device according to claim 3, further comprising: a clamping part, the clamping part is arranged on the rotating shaft of the fan, and is connected with the housing part; Clamping parts include: a bracket part, the bracket part is connected with the housing part, and the bottom of the bracket part is provided with a rotating shaft part; a first arc-shaped plate part, one end of the first arc-shaped plate part is hingedly connected to the rotating shaft part, and the other end is provided with a limit assembly; A second arc-shaped plate component, one end of which is hinged to the shaft component, and a limit assembly is provided on the other end; The first arc-shaped plate part and the second arc-shaped plate part are relatively set; guide rod parts, the guide rod parts respectively pass through the limit assemblies of the first arc-shaped plate part and the second arc-shaped plate part; A telescopic part, the telescopic part is arranged on one side of the guide rod part, and its telescopic end is fixedly connected with the guide rod part; The third elastic part is arranged on the guide bar part between the first arc-shaped plate part and the second arc-shaped plate part. 5. A hydraulic blower anti-reverse device according to claim 4, characterized in that the second hydraulic component replaces the telescopic component; The second hydraulic component includes: An oil chamber part, the oil chamber part is provided with an oil storage chamber, and the bottom of the oil chamber part is provided with a first oil passage, a second oil passage and a third oil passage; The oil storage chambers have a stepped structure and are respectively the first oil chamber, the second oil chamber and the third oil chamber; The first oil passage corresponds to the position of the first oil chamber; The second oil passage corresponds to the position of the second oil chamber; The third oil passage corresponds to the position of the third oil chamber; a buffer component, the buffer component is arranged in the first oil chamber; a second piston part, the second piston part is arranged in the third oil chamber, and has a mounting groove inside; The upper and lower sides of the installation groove are provided with through holes; a second extension part, the second extension part is arranged on the second piston part, and it passes through the oil chamber part; a second connecting plate part, the second connecting plate part is connected to one end of the second extension part, and it is also connected to the guide rod part; The fourth elastic component is arranged in the installation groove, and its two ends are respectively connected with the side wall of the third oil chamber and the side wall of the installation groove. 6 . The anti-reversing device for a hydraulic blower according to claim 5 , wherein the buffer member is a cross-shaped structure, and the first oil passage is provided on one side of the longitudinal assembly of the buffer member. 7 . 7 . The anti-reverse device for a hydraulic blower according to claim 6 , wherein a sealing member is provided at the junction of the second extension member and the oil chamber member. 7 . 8 . The anti-reverse device for a hydraulic blower according to claim 4 , wherein wear-resistant parts are provided inside the first arc-shaped plate member and the second arc-shaped plate member. 9. The anti-reverse device for a hydraulic blower according to claim 8, wherein the wear-resistant part is made of non-fluid material.