CN210916200U - Lifting device of loading and discharging machine - Google Patents
Lifting device of loading and discharging machine Download PDFInfo
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- CN210916200U CN210916200U CN201922009975.1U CN201922009975U CN210916200U CN 210916200 U CN210916200 U CN 210916200U CN 201922009975 U CN201922009975 U CN 201922009975U CN 210916200 U CN210916200 U CN 210916200U
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- base
- hydraulic cylinder
- supporting arm
- arm
- loading
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- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
And (5) loading a lifting device of the steel machine. Relates to the technical field of charging and discharging steel machine equipment of a charging and discharging heating furnace, in particular to a charging and discharging steel machine lifting device. The lifting device of the charging and discharging machine is simple in structure, high in reliability and capable of effectively avoiding high-temperature radiation. The device comprises a base, a supporting wheel, a supporting arm rotating shaft, a crank arm and a hydraulic cylinder. The base comprises a supporting arm base seat, a base middle groove and a hydraulic cylinder base seat, the supporting arm base seat is arranged in the direction towards the hearth of the heating furnace, the hydraulic cylinder base seat is arranged at the tail of the base, the base middle groove is arranged between the supporting arm base seat and the hydraulic cylinder base seat, and the height of the supporting arm base seat is higher than that of the hydraulic cylinder base seat and that of the hydraulic cylinder base seat is higher than that of the base middle groove. The utility model discloses reduced the fault rate of equipment, even if when needs dimension guarantor, also be convenient for maintain the personnel and change and maintain hydraulic pressure spare part.
Description
Technical Field
The utility model relates to a business turn over heating furnace dress tapping machine equipment technical field especially relates to a dress tapping machine elevating gear.
Background
At present, the equipment for feeding and discharging steel billets into and out of the heating furnace at home and abroad adopts a push rod type or a lifting type, and the frequency of the steel discharge machine used in the process of heating the steel billets is the highest auxiliary machine of auxiliary equipment of the heating furnace. In the actual operation process, when the steel billet is conveyed to the position of the steel loading machine from the roller way in front of the furnace, the steel loading and discharging machine sends the steel billet into the heating furnace for heating, and after the heating furnace reaches the preset temperature, the steel loading and discharging machine is taken out from the heating furnace and placed on the conveying roller way.
The existing loading and discharging machine adopts a push rod type or a lifting type, the lifting mechanism of the loading and discharging machine can be subjected to high-temperature radiation (1100-1400 ℃) of a hearth of a heating furnace, the radiation temperature has little influence on a mechanical transmission structure, but in the case of a driving mechanism with hydraulic system intervention, the influence is huge, parts of the hydraulic system are easily damaged, the operation is unstable, and the normal operation of the whole machine system is seriously influenced.
Disclosure of Invention
The utility model provides a simple structure, the reliability is high to above problem, can effectively avoid the dress steel tapping machine elevating gear of high temperature radiation.
The technical scheme of the utility model is that: the device comprises a base, a supporting wheel, a supporting arm rotating shaft, a crank arm and a hydraulic cylinder.
The base comprises a supporting arm base seat, a base middle groove and a hydraulic cylinder base seat, the supporting arm base seat is arranged in the direction towards the hearth of the heating furnace, the hydraulic cylinder base seat is arranged at the tail of the base, the base middle groove is arranged between the supporting arm base seat and the hydraulic cylinder base seat, and the height of the supporting arm base seat is higher than that of the hydraulic cylinder base seat and that of the hydraulic cylinder base seat is higher than that of the base middle groove.
The supporting arm rotating shaft is arranged on the top surface of the supporting arm base through a supporting arm bearing; the supporting arm is perpendicular to the supporting arm rotating shaft, fixedly connected to two ends of the supporting arm rotating shaft and located on the inner side of the supporting arm bearing.
The upper end of the crank arm is vertically and fixedly connected to the middle position of the supporting arm rotating shaft, and the lower end of the crank arm extends out towards the direction of the middle groove of the base.
The hydraulic cylinder is connected to the top surface of the base of the hydraulic cylinder base through the hinged support, a piston rod of the hydraulic cylinder extends out towards the direction of the middle groove of the base, and the end of the piston rod of the hydraulic cylinder is hinged to the lower end of the crank arm.
A rigid supporting arm base is arranged between the supporting arm bearing and the supporting arm base; a concave-convex positioning structure I is arranged between the bracket arm base and the bracket arm base.
A rigid hydraulic cylinder base is also arranged between the hinged support and the hydraulic cylinder base; and a concave-convex positioning structure II is arranged between the hydraulic cylinder base and the hydraulic cylinder base.
And a reinforcing rib is arranged between the crank arm and the supporting arm rotating shaft.
And a proximity switch bracket is also arranged in the groove in the middle of the base, and a proximity switch is arranged on the proximity switch bracket.
The utility model discloses set up the base structure that has certain elevation difference, kept away from heating furnace with hydraulic pressure executive, avoided the injury of high temperature heat radiation to spare part, set up a "thermal-insulated wall" between pneumatic cylinder and furnace in other words. The failure rate of the equipment is reduced, and maintenance personnel can replace and maintain the hydraulic parts conveniently even when maintenance is needed.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic structural view of the base in the present invention,
figure 3 is a sectional view taken along line a-a of figure 1,
figure 4 is a working principle diagram of the utility model,
in the figure: the device comprises a bracket rotating shaft 1, a bracket base 11, a bracket base 111, a bracket base 112, a concave-convex positioning structure I, a bracket bearing 12, a crank arm 2, a hydraulic cylinder 3, a hinged support 31, a hydraulic cylinder base 32, a hydraulic cylinder base 321, a concave-convex positioning structure II, a bracket arm 4, a bracket wheel 5, a bracket wheel 51, a bracket wheel 6, a pin shaft 61, a base middle groove 7, a proximity switch support 8, a reinforcing rib 20 and a steel rod.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the present application will be clearly and completely described below with reference to fig. 1 to 4.
The loading steel machine lifting device comprises a base, a supporting wheel 51, a supporting arm 4, a supporting arm rotating shaft 1, a crank arm 2 and a hydraulic cylinder 3.
The front end of the bracket arm 4 is provided with a bracket wheel shaft 5 and a bracket wheel 51 which are processed by a heat treatment process, the rear end of the bracket arm 4 is fixedly connected with one end of the bracket arm rotating shaft 1 in a welding way, and the pair of bracket arms 4 are parallel to each other. The front of load-tap rod 20 rests on riding wheel 51 of the load-tap elevator before the load-tap works.
The base comprises a supporting arm base 111, a base middle groove 61 and a hydraulic cylinder base 321, the supporting arm base 111 is arranged in the direction towards the hearth of the heating furnace, the hydraulic cylinder base 321 is arranged at the tail of the base, the base middle groove 61 is arranged between the supporting arm base 111 and the hydraulic cylinder base 321, and the height of the supporting arm base 111 is higher than that of the hydraulic cylinder base 321 and that of the hydraulic cylinder base 321 is higher than that of the base middle groove 61. The bracket base 111 is also parallel to the cylinder base 321 so that the crank arm 2 is at an angle to the cylinder 3. So as to swing up and down. And the front end of the steel rod is far away from the high-temperature radiation (1100-1400 ℃) area of the hearth of the heating furnace, so that the damage of the high-temperature heat radiation to parts is avoided.
The supporting arm rotating shaft 1 is arranged on the top surface of the supporting arm base 111 through a supporting arm bearing 12; the support arm 4 is perpendicular to the support arm rotating shaft 1, is fixedly connected to two ends of the support arm rotating shaft 1, and is positioned on the inner side of the support arm bearing 12.
The upper end of the crank arm 2 is vertically and fixedly connected with the middle position of the bracket arm rotating shaft 1, and the lower end of the crank arm 2 extends towards the direction of the base middle groove 61.
The loading and discharging machine lifting device is driven by a hydraulic cylinder 3, the hydraulic cylinder 3 is connected to the top surface of a base 321 of the hydraulic cylinder base through a hinged support 31, a piston rod of the hydraulic cylinder 3 extends out towards the direction of a middle groove 61 of the base, the end of the piston rod of the hydraulic cylinder 3 is provided with a pin shaft 6, and the end of the piston rod of the hydraulic cylinder 3 is hinged with the lower end of a crank arm 2.
A rigid bracket arm base 11 is arranged between the bracket arm bearing 12 and the bracket arm base 111; a concave-convex positioning structure I112 is arranged between the bracket arm base 11 and the bracket arm base 111 to resist horizontal shearing force and reduce the horizontal shearing force borne by the connecting bolt; the bracket arm base 11 is fixedly connected with the bracket arm base 111 through bolts.
A rigid hydraulic cylinder base 32 is arranged between the hinged support 31 and the hydraulic cylinder base 321; a concave-convex positioning structure II 322 is arranged between the hydraulic cylinder base 32 and the hydraulic cylinder base 321 to resist horizontal shearing force and reduce the horizontal shearing force borne by the connecting bolt; the hydraulic cylinder base 32 is fixedly connected with the hydraulic cylinder base 321 through bolts.
And a reinforcing rib 8 is arranged between the crank arm 2 and the supporting arm rotating shaft 1. The front end of the crank arm 2 is fixedly connected with the reinforcing rib 8; when the loading and discharging machine lifting device operates, the high-pressure hydraulic cylinder device drives the crank arm 2 to enable the crank arm 2 to swing up and down around the pin shaft 6 in an arc track, so that the supporting arm 4 on the supporting arm rotating shaft 1 also moves up and down, and the lifting function of the loading and discharging machine lifting device is realized. The up-and-down swinging position is controlled by a proximity switch in the swinging process of the crank arm 2.
The base middle groove 61 is also internally provided with a proximity switch bracket 7, the proximity switch bracket 7 is provided with an upper limit proximity switch, a lower limit proximity switch and an induction plate, the positions of the upper limit proximity switch and the lower limit proximity switch are arranged according to the actual swinging position of the crank arm 2, the proximity switch is a position switch which does not need to be in mechanical direct contact operation with a moving part, and in the actual operation of the loading and discharging machine, when the induction plate approaches any switch, the switch can perform switching action.
The working process of the lifting device of the loading and discharging machine is as follows: when the loading and discharging machine runs from the initial position to the direction of the heating furnace to take out steel billets, the loading and discharging machine lifting device is in the lower position, at the moment, the loading and discharging rod driving mechanism 30 runs to drive the loading and discharging rod 20 to move forwards, then the loading and discharging machine lifting device drives the crank arm 2 to ascend through the high-pressure hydraulic cylinder driving device 3, so that the support arm 4 welded on the lightweight support arm rotating shaft 1 also ascends, when the support arm ascends to the upper position, the loading and discharging rod 20 supports plate blanks, then the loading and discharging rod driving mechanism 30 runs again to drive the loading and discharging rod 20 to retreat, and finally the loading and discharging machine lifting device descends to the lower position under the driving of the high-pressure hydraulic cylinder device 3, so that the work of feeding and discharging the plate blanks is completed.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (5)
1. The loading and discharging machine lifting device comprises a base, a supporting wheel and a supporting arm, and is characterized by further comprising a supporting arm rotating shaft, a crank arm and a hydraulic cylinder;
the base comprises a supporting arm base, a base middle groove and a hydraulic cylinder base, the supporting arm base is arranged in the direction towards the hearth of the heating furnace, the hydraulic cylinder base is arranged at the tail of the base, the base middle groove is arranged between the supporting arm base and the hydraulic cylinder base, the height of the supporting arm base is higher than that of the hydraulic cylinder base, and the height of the hydraulic cylinder base is higher than that of the base middle groove;
the supporting arm rotating shaft is arranged on the top surface of the supporting arm base through a supporting arm bearing; the supporting arm is perpendicular to the supporting arm rotating shaft, is fixedly connected to two ends of the supporting arm rotating shaft and is positioned on the inner side of the supporting arm bearing;
the upper end of the crank arm is vertically and fixedly connected to the middle position of the supporting arm rotating shaft, and the lower end of the crank arm extends out towards the direction of the middle groove of the base;
the hydraulic cylinder is connected to the top surface of the base of the hydraulic cylinder base through a hinged support, a piston rod of the hydraulic cylinder extends out towards the direction of the middle groove of the base, and the end of the piston rod of the hydraulic cylinder is hinged to the lower end of the crank arm.
2. The loading and tapping machine lifting device of claim 1, wherein a rigid trailing arm base is further provided between the trailing arm bearing and the trailing arm base; a concave-convex positioning structure I is arranged between the supporting arm base and the supporting arm base.
3. The loading and tapping machine lifting device according to claim 1, wherein a rigid hydraulic cylinder base is further provided between the articulated support and the hydraulic cylinder base; and a concave-convex positioning structure II is arranged between the hydraulic cylinder base and the hydraulic cylinder base.
4. The loading and tapping machine lifting device according to claim 1, wherein a reinforcing rib is provided between the crank arm and the bracket arm rotating shaft.
5. The loading and unloading machine lifting device according to claim 1, wherein a proximity switch bracket is further provided in the base middle groove, and a proximity switch is provided on the proximity switch bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009975.1U CN210916200U (en) | 2019-11-20 | 2019-11-20 | Lifting device of loading and discharging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009975.1U CN210916200U (en) | 2019-11-20 | 2019-11-20 | Lifting device of loading and discharging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210916200U true CN210916200U (en) | 2020-07-03 |
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ID=71348490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922009975.1U Active CN210916200U (en) | 2019-11-20 | 2019-11-20 | Lifting device of loading and discharging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210916200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849957A (en) * | 2021-01-28 | 2021-05-28 | 安徽工业大学 | Chain type steel moving device |
| CN114249104A (en) * | 2022-01-14 | 2022-03-29 | 广东韶钢松山股份有限公司 | Lifting device and tapping machine lifting device |
-
2019
- 2019-11-20 CN CN201922009975.1U patent/CN210916200U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849957A (en) * | 2021-01-28 | 2021-05-28 | 安徽工业大学 | Chain type steel moving device |
| CN114249104A (en) * | 2022-01-14 | 2022-03-29 | 广东韶钢松山股份有限公司 | Lifting device and tapping machine lifting device |
| CN114249104B (en) * | 2022-01-14 | 2023-10-20 | 广东韶钢松山股份有限公司 | Lifting device of tapping machine |
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