Disclosure of Invention
In view of the above, the embodiment of the invention aims to provide a connecting assembly and a connecting method of a magnetic levitation track beam and a functional piece, so as to solve the technical problem of high connecting cost of the magnetic levitation track beam and the functional piece under the condition of meeting the installation precision of the magnetic levitation track beam and the functional piece.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the invention provides a connecting assembly which comprises a magnetic suspension track beam, an embedded plate, a functional piece and a connecting plate, wherein the embedded plate comprises an embedded part fixed inside the magnetic suspension track beam and a connecting part protruding out of the end face of the magnetic suspension track beam, the connecting plate is fixedly connected with the functional piece and protrudes out of the end face of the functional piece, and the connecting part and the connecting plate can be adjusted in relative position and are fixedly connected so as to enable the magnetic suspension track beam to be positioned and fixedly connected with the functional piece.
Further, at least one first opening is formed in the connecting portion, at least one second opening corresponding to the first opening is formed in the connecting plate, and the first opening is communicated with the second opening to enable the connecting piece to pass through, so that the positions of the connecting portion and the connecting plate can be adjusted and temporarily fixed.
Further, the diameter of the first opening is larger than the diameter of the second opening.
Further, wet joint concrete is poured between the magnetic levitation track beam and the functional piece for permanent fixed connection.
The connecting assembly further comprises an embedded dowel bar, wherein the embedded dowel bar comprises an inserting part and an extending part, the inserting part is fixed inside the magnetic levitation track beam, the extending part protrudes out of the end face of the magnetic levitation track beam, and the extending part can penetrate through the end face of the functional piece to be connected with the functional piece.
Further, the protruding portion of the embedded dowel bar is provided with a fastener to fix the protruding portion and the functional piece.
The invention also provides a connecting method of the magnetic suspension track beam and the functional piece, which comprises the following steps of arranging an embedded plate on the magnetic suspension track beam, wherein the embedded plate comprises an embedded part fixed inside the magnetic suspension track beam and a connecting part protruding out of the end face of the magnetic suspension track beam, arranging a connecting plate on the functional piece, fixedly connecting the connecting plate with the functional piece and protruding out of the end face of the functional piece, and adjusting the relative position of the connecting part and the connecting plate and fixedly connecting the connecting plate to enable the magnetic suspension track beam to be positioned and fixedly connected with the functional piece.
Further, the embedded dowel bars extending out of the end faces of the magnetic levitation track beams are arranged on the magnetic levitation track beams, and the embedded dowel bars are inserted into the functional pieces before the relative positions of the connecting portions and the connecting plates are adjusted and fixedly connected.
Further, after the magnetic levitation track beam and the functional piece are positioned and fixedly connected, wet joint concrete is poured between the magnetic levitation track beam and the functional piece.
Further, the connecting method further comprises the step of roughening the end face of the magnetic levitation track beam and the end face of the functional piece before casting the wet joint concrete.
The connecting assembly comprises an embedded plate and a connecting plate, wherein the embedded plate comprises an embedded part fixed inside a magnetic suspension track beam and a connecting part protruding out of the end face of the magnetic suspension track beam, the connecting plate is fixedly connected with a functional piece and protrudes out of the end face of the functional piece, and the connecting part and the connecting plate can be adjusted in relative position and are fixedly connected so that the magnetic suspension track beam and the functional piece are positioned and fixedly connected. Through above-mentioned setting, because realize the connection of magnetic suspension track roof beam and function through the fixed connection of connecting portion and connecting plate, the concrete hookup location of connecting portion and connecting plate can be adjusted to can realize the installation accuracy of the connection of magnetic suspension track roof beam and function, thereby need not use large-scale lathe, take up an area of the space little, adjust location swiftly convenient, reduced the cost of being connected of magnetic suspension track roof beam and function.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Various combinations of the features described in the embodiments may be performed without contradiction, for example, different embodiments may be formed by combining different features, and various possible combinations of the features in the present invention are not described further to avoid unnecessary repetition.
In the following description, the terms "first", "second", and the like are merely used to distinguish between different objects and do not denote that there is the same or a relationship between the two. It will be understood that references to orientations are intended to refer to orientations in normal use.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In a specific embodiment, the connecting assembly provided by the invention is used in the technical field of magnetic levitation tracks, and comprises a magnetic levitation track beam and functional pieces, wherein the functional pieces are functional pieces connected with the magnetic levitation track beam on a magnetic levitation track, such as a stator of a linear motor or functional pieces of other electric components. The structure and function of the magnetic levitation track beam and the functional member are described by way of example, and the function of the connection assembly provided by the embodiment of the present invention is not limited in any way.
As shown in fig. 1, the connecting assembly of the present invention comprises a magnetic levitation track beam 1, a pre-buried plate 2, a functional piece 3 and a connecting plate 4. The embedded plate 2 comprises an embedded part 2a fixed inside the magnetic suspension track beam 1 and a connecting part 2b protruding out of the end face 12 of the magnetic suspension track beam, the connecting plate 4 is fixedly connected with the functional piece 3 and protrudes out of the end face 13 of the functional piece, and the connecting part 2b and the connecting plate 4 can be adjusted in relative position and are fixedly connected so as to enable the magnetic suspension track beam 1 to be positioned and fixedly connected with the functional piece 3.
In particular, the magnetic levitation railway beam 1 shown in fig. 1 is part of a magnetic levitation railway beam, i.e. the upper flange of the magnetic levitation railway beam, which magnetic levitation railway beam 1 needs to be connected to the functional part 3 in order to meet the actual functional requirements. The magnetic levitation track beam 1 is provided with an embedded plate 2, one part of the embedded plate 2 is arranged inside the magnetic levitation track beam 1 and is an embedded part 2a, and the other part of the embedded plate protrudes out of the end face 12 of the magnetic levitation track beam and is a connecting part 2b. The connecting plate 4 is fixedly connected with the functional piece 3 and protrudes out of the end face 13 of the functional piece, and the specific connection mode of the connecting plate 4 and the functional piece 3 can be a connection mode such as welding, bolting or integral forming. The length of the embedded part 2a of the embedded plate 2 fixed inside the magnetic suspension track beam 1, the length of the connecting part 2b protruding from the end face 12 of the magnetic suspension track beam and the length of the connecting plate protruding from the end face 13 of the functional piece need to be adjusted through calculation according to actual stress conditions, and the widths of the connecting part 2b and the connecting plate 4 need to be determined according to the actual stress conditions. For example, when the volume and mass of the function member are small, the length and width thereof can be controlled to be relatively small to reduce the connection space in the case of satisfying the force.
The relative position of the connecting part 2b and the connecting plate 4 can be adjusted. Specifically, the connection plate 3 may be moved in a direction parallel to the end surface or in a direction perpendicular to the end surface, or may be rotated around the connection portion 2b, and in addition, the adjustment of the relative position includes first a larger-amplitude adjustment and then a smaller-amplitude fine adjustment, and the smaller-amplitude fine adjustment can achieve accurate adjustment of the position so as to conveniently and rapidly meet the requirement of mounting accuracy. The connecting plate 2b is connected with the magnetic suspension track beam, the connecting plate 4 is connected with the functional piece, and the adjustment of the relative positions of the connecting plate 2b and the connecting plate 4 drives the adjustment and positioning of the magnetic suspension track beam 1 and the functional piece 3, so that the installation precision of the connection of the magnetic suspension track beam 1 and the functional piece 3 is realized.
Specifically, positioning the magnetic levitation track beam 1 and the functional member 3 means determining a relative positional relationship therebetween.
The connecting part 2b and the connecting plate 4 are fixedly connected after the relative positions are adjusted. Specifically, the fixed connection mode can be riveting, welding, pouring or a combination thereof. The connecting part 2b is fixedly connected with the connecting plate 4 to realize the fixed connection of the magnetic suspension track beam and the functional piece connected with the connecting part.
Optionally, the embedded plate 2 and the connecting plate 4 are metal products, and optionally, the embedded plate 2 is an embedded steel plate and the connecting plate 4 is a connecting steel plate.
Through the arrangement, the relative positions of the connecting parts 2b and the connecting plates 4 can be adjusted, the positioning adjustment of the magnetic levitation track beam 1 and the functional parts 3 is driven, the positioning adjustment of the connecting assembly is quick and convenient, the connection is accurate and reliable, the installation precision of the magnetic levitation track beam and the functional parts is met, a large-scale machine tool is not required, the construction is convenient, the occupied space is small, and the connection cost is reduced.
In some embodiments, as shown in fig. 1 and 2, at least one first opening 5 is provided on the connection portion 2b, at least one second opening 6 corresponding to the first opening 5 is provided on the connection plate 4, and the first opening 5 communicates with the second opening 6 for passing through the connection member 7, so as to adjust the positions of the connection portion and the connection plate and fix them temporarily.
Specifically, the first opening 5 and the second opening 6 are correspondingly matched in position, so that the connecting piece 7 can pass through the first opening 5 and the second opening 6 at the same time. The number of the first openings 5 is the same as the number of the second openings 6, and the first openings 5 and the second openings 6 can be provided as a hole or multiple holes, the shapes of the first openings 5 and the second openings 6 can be round or square, and the connecting piece 7 can temporarily fix the connecting part 1 and the connecting plate 3 through the first openings 5 and the second openings 6 at the same time, and the size and the shape of the connecting piece 7 are matched with the size and the shape of the hole. The dimensions of the first opening and the corresponding second opening and the connecting piece passing through both can allow the connecting portion 2b and the connecting piece 4 to be position-adjusted before being fixed by the connecting piece, for example, the dimensions of the first opening 5 are larger than those of the second opening 6, the dimensions of the second opening 6 are larger than those of the connecting piece 7, or the dimensions of the second opening 6 are larger than those of the first opening 5, the dimensions of the first opening 5 are larger than those of the connecting piece 7, etc. In addition, the specific positions of the first opening 5 and the corresponding second opening 6 on the connecting portion 1 and the connecting plate 3 determine the overlapping area of the connecting portion 1 and the connecting plate 3, and in order to make the connection stronger, the positions of the first opening 5 and the second opening 6 should be set so that the overlapping area of the connecting portion and the connecting plate after the first opening 5 and the second opening 6 are communicated is as large as possible.
Optionally, the connecting piece 7 is a high-strength bolt, and the corresponding first opening 5 and the second opening 6 are bolt holes.
In some embodiments, as shown in fig. 1 and 2, the diameter of the first aperture 5 is greater than the diameter of the second aperture 6.
Specifically, when the relative position of the connecting portion 2 and the connecting plate 4 is moved, the second opening may move within the range of the first opening, may move beyond the edge of the first opening and allow the connecting member to pass through, and may also rotate around the first opening within the range of the first opening or beyond the edge of the first opening and allow the connecting member to pass through. Through the arrangement, the relative positions of the first opening 5 and the second opening 6 can be adjusted, the relative positions of the connecting part 2 and the connecting plate 4 are adjusted, and the relative positions of the magnetic levitation track beam 1 and the functional piece 3 are adjusted and positioned, wherein the adjusting direction can be a direction parallel to the end face, a direction perpendicular to the end face or a direction of the functional piece rotating around the magnetic levitation track beam. Through the arrangement, the functional piece 3 and the magnetic levitation track beam 1 can be conveniently and rapidly adjusted and positioned, and the adjustment precision is high.
The diameter of the first opening 5 is 5-20mm larger than that of the connecting piece 7, the diameter of the second opening 6 is 2-3mm larger than that of the connecting piece 7, and through the arrangement, the magnetic levitation track beam and the functional piece are convenient and quick to adjust and position and high in installation accuracy.
In some embodiments, as shown in fig. 2, wet joint concrete 8 is poured between the maglev rail beam 1 and the functional piece 3 to permanently secure the connection.
Specifically, the wet joint concrete is poured between the magnetic levitation track beam 1 and the functional piece 3, so that the connecting parts between the magnetic levitation track beam 1 and the functional piece 3 are wrapped and fixed into a whole, and the magnetic levitation track beam 1 and the functional piece 3 are permanently and fixedly connected.
The functional element 3 can be provided with thin steel plates or other materials as bottom and side dies, which function as a template-free when pouring wet joint concrete.
The side of the track beam can be extended with common steel bars or pre-buried shear nails, so as to play a role in enhancing the shearing resistance.
The end face 12 of the magnetic levitation track beam and the end face 13 of the functional element may be treated, for example by roughening or other special treatment, to enhance the connection with wet joint concrete.
Optionally, the wet joint concrete 8 is made of a concrete material with good fluidity, quick strength development and excellent mechanical properties, and optionally, the wet joint concrete is an early strength ultra-high performance concrete or an epoxy mortar and other materials.
It should be noted that, sufficient strength can be achieved 12-24 hours after the wet joint concrete 8 is poured, after the positions of the connecting portions 2b and the connecting plates 4 are adjusted and temporarily fixed, the connection precision requirements of the magnetic levitation track beam 1 and the functional pieces 3 are satisfied, and the poured wet joint concrete 8 plays a role in permanently fixing the magnetic levitation track beam 1 and the functional pieces 3 under the condition that sufficient installation precision is achieved.
In some embodiments, as shown in fig. 3 and 4, the connection assembly further comprises an embedded dowel 9, wherein the embedded dowel 9 comprises an insertion part and an extension part, the insertion part is fixed inside the magnetic levitation railway beam 1, and the extension part protrudes out of the end face 12 of the magnetic levitation railway beam, wherein the extension part can pass through the end face 13 of the functional piece to connect the functional piece 3.
Specifically, the number of the embedded tie bars 9 may be one or more, and the positions of the embedded tie bars 9 may be located at one side or two sides of the embedded board 2, or may be parallel to the embedded board 2. The connection of the magnetic levitation track beam 1 and the functional piece 3 can be enhanced by the embedded dowel bars 9. Preferably, the embedded tie bars 9 are embedded steel bars.
The arrangement of the embedded tie bars 9 does not affect the adjustment of the relative positions of the connecting part 2 and the connecting plate 4, and does not affect the adjustment and positioning of the magnetic levitation track beam 1 and the functional piece 3. This can be achieved by providing openings in the functional element 3 at corresponding locations where the pre-buried tie bars 9 are inserted, which openings are larger than the diameter of the pre-buried tie bars, or any other conceivable way.
In some embodiments, as shown in fig. 3 and 4, the extension of the pre-buried tie bar 9 is provided with a fastener 10 to secure the extension with the function 3.
Specifically, the protruding portion of the pre-buried tie bar 9 passes through the end face 13 of the functional piece, and the fastener 10 fixedly connects the functional piece 3 with the protruding portion on one side of the protruding end face. Through the arrangement, the functional piece 3 is fixedly connected with the embedded steel bar 9, so that the fixed connection between the functional piece 3 and the track beam 1 is enhanced. Optionally, on the extension part of the pre-buried tie bar, a spherical backing plate 11 is arranged between the fastening piece 10 and the end face 13 of the functional piece and close to the fastening piece 10, and the spherical backing plate 11 can adapt to the connection of the functional piece 3 and the pre-buried tie bar 9 in different angles after the functional piece 3 is accurately positioned.
As shown in fig. 5, the embodiment of the invention also provides a method for connecting the magnetic suspension track beam with the functional piece, and the connecting method is applied to the connecting assembly shown in fig. 1, wherein the assembly comprises the magnetic suspension track beam, the embedded plate, the functional piece and the connecting plate. The method for connecting the magnetic suspension track beam and the functional piece comprises the following steps:
step S101, arranging an embedded plate on a magnetic levitation track beam, wherein the embedded plate comprises an embedded part fixed inside the magnetic levitation track beam and a connecting part protruding out of the end face of the magnetic levitation track beam.
Specifically, according to actual stress condition, pre-burying plates with certain width are preset in the magnetic levitation track beam, and the pre-burying parts are components which are pre-arranged when the magnetic levitation track beam is poured, so that the installation and the fixation of external engineering components and the magnetic levitation track beam are facilitated. The length of the embedded part fixed inside the magnetic suspension track beam, the length of the connecting part protruding out of the end face of the magnetic suspension track beam and the width of the embedded part along the end face can be adjusted through calculation according to actual stress conditions.
Step S102, a connecting plate is arranged on the functional piece, and the connecting plate is fixedly connected with the functional piece and protrudes out of the end face of the functional piece.
Specifically, the connecting plate is arranged on the functional piece in a riveting, welding or integrated forming mode and the like, is fixedly connected with the functional piece and protrudes out of the end face of one side to be connected of the functional piece, and can extend into the functional piece under the condition that the normal use function of the functional piece is not affected, or can be fixed with the end face of the functional piece without extending into the functional piece under the condition of firm connection. It should be noted that, the length of the connecting plate extending out of the functional piece can be adjusted according to the actual stress condition, the width of the connecting plate along the end face direction is equal to or approximately equal to the width of the connecting portion along the end face direction, the position of the connecting plate on the functional piece is required to be set according to the position of the connecting portion on the magnetic levitation track beam and the installation position of the functional piece relative to the magnetic levitation track beam, and thus the adjustment of the relative position of the subsequent connecting portion and the connecting plate is facilitated.
Step S103, adjusting the relative position of the connecting part and the connecting plate.
Specifically, when adjusting the relative position of connecting portion and connecting plate, can be through removing, perpendicular to the direction of terminal surface removal along the direction that is on a parallel with the terminal surface, even the magnetic suspension track roof beam is close to or keeps away from with the functional part, perhaps carries out modes such as rotate the connecting plate round the connecting portion and adjusts, this kind of regulation mode convenient and fast, positioning accuracy is high, is easier to satisfy the installation accuracy requirement of magnetic suspension track roof beam.
Step S104, fixedly connecting the connecting part with the connecting plate to enable the magnetic suspension track beam to be positioned and fixedly connected with the functional piece.
Specifically, the relative positions of the connecting part and the connecting plate are adjusted to realize the adjustment and positioning of the magnetic levitation track beam and the functional piece so as to achieve enough installation accuracy, and the magnetic levitation track beam is fixedly connected after the enough installation accuracy is achieved, wherein the fixed connection mode can be riveting, welding or pouring or combination thereof. The method for connecting the magnetic suspension track beam and the functional piece has high installation precision, does not need to use a large machine tool, and occupies small space, thereby effectively reducing the connection cost.
In some embodiments, pre-buried tie bars extending out of the end surfaces of the magnetic levitation track beams are arranged on the magnetic levitation track beams, and the pre-buried tie bars are inserted into the functional pieces before the relative positions of the connecting parts and the connecting plates are adjusted and fixedly connected. As described in fig. 6, based on fig. 5, steps S201 and S202 are added after steps S101 and S102, and steps S103 and S104 of fig. 5 are continued. Steps S101, S102, S103 and S104 are described in detail, and are not described here.
Step S201, pre-buried dowel bars 9 extending out of the end faces of the magnetic levitation track beam 1 are arranged on the magnetic levitation track beam 1.
Step S202, inserting the embedded dowel bars into the functional pieces.
Specifically, this pre-buried dowel is the same with the pre-buried board, also be the component of pre-arrangement when the magnetic suspension track roof beam pouring, the length of the inside insert portion of pre-buried dowel fixed at the magnetic suspension track roof beam can be adjusted according to actual atress condition and set up, the length of pre-buried dowel salient in the extension of the terminal surface of magnetic suspension track roof beam is greater than the length of pre-buried portion or connecting plate at least, this length both needs to guarantee that pre-buried dowel can insert the inside of function piece, still avoid influencing the normal structure and the function of using of function piece, pre-buried dowel has played reinforcing magnetic suspension track roof beam and function piece and has been connected, guarantee that the function piece can not be along the effect that is on being parallel to the direction of terminal surface and move.
In some embodiments, after step S104 shown in fig. 6, a step of setting a fastener at the extension part of the embedded tie bar to fix the extension part with the functional piece is added, and after the connection part is fixedly connected with the connection plate, the functional piece is fixed with the embedded tie bar through the fastener, so that the connection between the functional piece and the magnetic levitation track beam is enhanced, and the functional piece is ensured not to move along the direction of the embedded tie bar. In some embodiments, the connecting method further comprises setting a spherical backing plate between the fastener and the end face of the functional piece and close to the fastener on the extending part of the embedded dowel before the extending part of the embedded dowel is provided with the fastener, wherein the spherical backing plate can adapt to the connection of the functional piece and the embedded dowel in different angles after the functional piece is accurately positioned.
In some embodiments, after positioning and fixedly connecting the magnetic levitation track beam with the functional piece, wet joint concrete is poured between the magnetic levitation track beam and the functional piece. As shown in fig. 7, based on fig. 5 or 6, step S301 is added after step S104 thereof.
And step 301, pouring wet joint concrete between the magnetic suspension track beam and the functional piece.
Specifically, after the magnetic levitation track beam is fixedly connected with the functional piece, concrete is poured on site for 12-24 hours, so that sufficient strength can be achieved, and the permanent fixation of the magnetic levitation track beam and the functional piece after the connection part and the connection plate are adjusted and positioned, namely after the magnetic levitation track beam and the functional piece meet connection precision and are temporarily fixed. Alternatively, the functional parts can be pre-installed with thin steel plates or other materials as bottom and side molds to function as a template-free when pouring wet joint concrete. Optionally, the side of the track beam can be extended with common steel bars or embedded shear nails to play a role in enhancing the shearing resistance.
In some embodiments, the method of joining further comprises roughening the end surfaces of the maglev rail beam and the end surfaces of the functional pieces prior to casting the wet joint concrete.
The end face of the magnetic suspension track beam is subjected to roughening treatment, so that the binding force between the magnetic suspension track beam and the wet joint concrete can be improved, the end face of the functional piece is subjected to roughening treatment, the functional piece and the wet joint concrete can be connected, and the connection and permanent fixation of the magnetic suspension track beam and the functional piece are further enhanced.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and scope of the present invention are included in the protection scope of the present invention.