CN111872163B

CN111872163B - Deviation correcting device for correcting deviation of lifting lug of subway traction table

Info

Publication number: CN111872163B
Application number: CN202010692688.XA
Authority: CN
Inventors: 王强; 金海华; 朱兴华
Original assignee: Suzhou Huaya Intelligent Technology Co ltd
Current assignee: Suzhou Huaya Intelligent Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2022-07-26
Anticipated expiration: 2040-07-17
Also published as: CN111872163A

Abstract

The application relates to a deviation correcting device for correcting the deviation of lifting lugs of a subway traction table, which comprises a plurality of supporting frames for supporting the traction table and a deviation correcting mechanism for correcting the deviation; the correcting mechanism comprises a reference beam, cushion blocks and correcting assemblies, wherein the reference beam is horizontally arranged, the cushion blocks are arranged on the reference beam, the correcting assemblies are arranged at two ends of the length direction of the reference beam and used for extruding lifting lugs in the vertical direction, the length direction of the reference beam is perpendicular to the length direction of the traction table, the cushion blocks are arranged in a plurality along the length direction of the reference beam, and the upper surfaces of the cushion blocks and the upper surface of the support frame are located on the same plane. This application has the effect that conveniently effectively rectify the lug of pulling the platform.

Description

Deviation correcting device for correcting deviation of lifting lug of subway traction table

Technical Field

The application relates to the technical field of subway equipment, in particular to a deviation correcting device for correcting deviation of lifting lugs of a subway traction table.

Background

With the continuous development of urban rail transit technology, various precision devices are continuously put into each position of a vehicle body for use, so that the precision requirement on an equipment framework is higher and higher.

The traction table is mainly installed at the bottom of a subway train body, a cavity is formed in the traction table and used for placing a traction converter and accessory elements of the traction converter, the traction converter belongs to a precise instrument and is mainly used for converting direct current on a contact net into alternating current directly used for a subway, the requirement on installation accuracy is high, especially the requirement on flatness is high, and therefore the flatness requirement of the traction table per se needs to be guaranteed.

Referring to fig. 1, a conventional traction table includes a rectangular parallelepiped body 50, a plurality of lifting lugs 51 are welded to both sides of a bottom end of the body 50 in a length direction, a catching groove 511 is formed in an upper surface of each lifting lug 51, and the traction table is mounted on a bottom of a vehicle body through the lifting lugs 51.

In view of the above-mentioned related technologies, the lifting lugs are welded on the traction table, and in the welding process, due to manual operation, material shrinkage deformation and other reasons, it is difficult to avoid the generation of errors, so that the plurality of lifting lugs are not on the same horizontal plane, and it is difficult to ensure the normal use of the traction converter inside the traction table when the traction table is installed on the vehicle body.

Disclosure of Invention

In order to make the lug can make things convenient for effectually to be rectified at same horizontal plane after the welding, improve the installation accuracy who pulls the platform, this application provides a deviation correcting device for subway pulls platform lug and rectifies.

The application provides a deviation correcting device for subway traction table lug is rectified adopts following technical scheme:

a deviation correcting device for correcting the deviation of lifting lugs of a subway traction table comprises a plurality of supporting frames for supporting the traction table and a deviation correcting mechanism for correcting the deviation; the correcting mechanism comprises a reference beam, cushion blocks and correcting assemblies, wherein the reference beam is horizontally arranged, the cushion blocks are arranged on the reference beam, the correcting assemblies are arranged at two ends of the length direction of the reference beam and used for extruding lifting lugs in the vertical direction, the length direction of the reference beam is perpendicular to the length direction of the traction table, the cushion blocks are arranged in a plurality along the length direction of the reference beam, and the upper surfaces of the cushion blocks and the upper surface of the support frame are located on the same plane.

Through adopting above-mentioned technical scheme, when using this deviation correcting device to carry out rectifying of lug, at first the fixed position that sets up the support frame will pull a whole hoist and mount and place on the support frame, pull a length direction's one end and place on the cushion upper surface, guarantee to pull a level to make and pull two lugs on the same straight line of platform bottom surface width direction and be located benchmark roof beam length direction both ends respectively. And then operating the correction assembly to enable the correction assembly to press the lifting lugs downwards until the bottom surfaces of the lifting lugs are tightly abutted against all points of the upper surface of the reference beam, namely completing the deviation rectifying process of the same pair of lifting lugs in the width direction of the traction table. And then, sequentially and respectively correcting the deviation of the rest pairs of lifting lugs according to the steps. The correction device is convenient to operate, and can quickly and effectively correct a plurality of lifting lugs of the traction table.

Preferably, the correction assembly comprises a vertical column vertically arranged on the upper surface of the reference beam, a limit table horizontally and fixedly arranged on the vertical column and a jacking piece vertically arranged below the limit table, the bottom end of the jacking piece is abutted against the lifting lug, and the top end of the jacking piece is abutted against the limit table.

Through adopting above-mentioned technical scheme, a concrete structure of correction subassembly is provided, and the jacking piece can be the jack, during the use, operates the jacking piece for the jacking piece is along the high emergence change of vertical direction, because the jacking piece top receives the limiting displacement of spacing platform, then the bottom of jacking piece can extrude the lug downwards, finally makes lug bottom surface and benchmark roof beam upper surface butt, thereby flattens the lug, accomplishes the process of rectifying.

Preferably, the bottom of the jacking piece is provided with a pressing block, the bottom surface of the pressing block is provided with a clamping block, and the clamping block is in clamping and embedding fit with the clamping groove in the upper surface of the lifting lug.

Through adopting above-mentioned technical scheme, when jacking piece extrudees the lug downwards, the briquetting is better has matchd the special shape of lug, has increased the area of contact between jacking piece and the lug for jacking piece is more steady presses down the lug, further makes the lug atress more even, further makes the lug by the more accurate and stable of rectifying, has improved the effect of rectifying.

Preferably, the correction assembly comprises a fixed frame arranged above the reference beam and a hydraulic cylinder arranged above the fixed frame, and a piston rod of the hydraulic cylinder is arranged vertically downwards.

Through adopting above-mentioned technical scheme, provided another kind of correction module's concrete structure, when using, start the pneumatic cylinder, the vertical downstream of piston rod of pneumatic cylinder to press the lug, accomplish the process of rectifying to the lug, this kind of correction module convenient operation, it is automatic.

Preferably, the cushion block is arranged on the reference beam in a sliding mode, and a fixing assembly used for fixing the position of the cushion block is arranged on the cushion block.

By adopting the technical scheme, the distance between the cushion blocks can be adjusted, so that the cushion blocks can adapt to traction tables with different widths, and the use convenience of the deviation correcting device is further improved.

Preferably, the length direction of the perpendicular benchmark roof beam of length direction of cushion, the equal vertical stopper that is equipped with in cushion length direction's both ends, the stopper is contradicted with the benchmark roof beam towards the one side of benchmark roof beam, fixed subassembly is including lining up the positioning screw hole and the positioning bolt of threaded connection in the threaded hole that two stopper set up, positioning bolt supports the vertical side at the benchmark roof beam towards the one end of benchmark roof beam tightly.

Through adopting above-mentioned technical scheme, provided a structure of fixed subassembly, during the use, the positioning bolt that unscrews, along the length direction slip cushion of benchmark roof beam, treat to confirm after the position that corresponds, the positioning bolt that screws for positioning bolt's bottom surface support tight spacing groove can, this kind of fixed subassembly, simple structure, easy dismounting, and the height-adjustable of cushion, when the height of cushion needs to be adjusted between the bottom surface of cushion and benchmark roof beam upper surface add the backing plate can.

Preferably, a walking wheel is arranged below the reference beam, and the walking wheel is provided with a brake mechanism.

Through adopting above-mentioned technical scheme, the adjustment position that the benchmark roof beam can be convenient, during the use, after rectifying a deviation to one of them pair of lug, at first upwards jack-up the traction table, then remove the benchmark roof beam to the below of next pair of lug, then put down the traction table, can rectify a deviation to next pair of lug.

Preferably, be equipped with the lifting assembly who is used for the jacking to pull the platform on the benchmark roof beam, lifting assembly includes that the level is fixed to be set up at the base of benchmark roof beam length direction one side, vertical setting at the jacking cylinder of base upper surface and the rolling element of ball joint at jacking cylinder piston rod tip, jacking cylinder's piston rod is vertical upwards to be set up.

Through adopting above-mentioned technical scheme, when the position of needs adjustment reference roof beam, start jacking cylinder and drive the ball wheel and will pull the platform jacking that makes progress, and then will pull the platform jacking, then promote reference roof beam and move towards next a pair of lug position to need not utilize jacking parts such as jacks will pull the platform jacking fixed after the position of readjustment reference roof beam, promote the convenience of rectifying.

Preferably, the end part of a piston rod of the jacking oil cylinder is hinged with a jacking plate, the upper surface of the jacking plate is provided with a spherical groove, and the rolling bodies are provided with a plurality of rolling bodies and are respectively arranged in the spherical grooves in a rolling manner.

Through adopting above-mentioned technical scheme, it has improved the area of contact between jacking cylinder and the traction table to roll on the jacking board to be provided with a plurality of rolling elements, has improved the stability of jacking cylinder to traction table support then, safety and stability more when adjusting the benchmark roof beam.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the support frame, the reference beam, the cushion block and the correction assemblies arranged at the two ends of the reference beam in the length direction, when the device is used, the traction table is placed above the support frame and the reference beam, and the correction assemblies are used for pressing and correcting the lifting lugs, so that the lifting lugs of the traction table can be corrected conveniently and effectively, the flatness among a plurality of lifting lugs of the traction table is improved, and the installation accuracy of the traction table is improved;

2. the cushion block can slide along the reference beam, so that the deviation correcting device can adapt to deviation correction of traction tables with different widths, the applicability of the deviation correcting device is improved, and the deviation correcting process is facilitated;

3. through set up the subassembly of lifting on the benchmark roof beam, set up the walking wheel below the benchmark roof beam to make to rectify at a pair of lug and accomplish when rectifying to next a pair of lug, utilize and lift the subassembly can be convenient will pull the platform and lift, the staff directly promotes the benchmark roof beam and accomplishes the transposition operation, has made things convenient for testing process, has improved detection efficiency.

Drawings

FIG. 1 is a background art diagram;

FIG. 2 is a schematic view of an overall structure of a deviation correcting device according to an embodiment;

FIG. 3 is a schematic diagram of a deviation rectification mechanism according to an embodiment;

FIG. 4 is a partial enlarged view of portion A of FIG. 3;

FIG. 5 is a diagram illustrating the use of the calibration assembly according to one embodiment;

FIG. 6 is a schematic view mainly used for showing the fitting relationship between the pressing block and the lifting lug;

fig. 7 is a partially enlarged view of a portion B of fig. 3;

FIG. 8 is a schematic diagram of a correcting element according to a second embodiment.

Description of reference numerals: 1. a support frame; 2. a deviation rectifying mechanism; 21. a reference beam; 22. cushion blocks; 221. a limiting block; 23. a correction component; 231. a column; 232. a limiting table; 233. a jacking piece; 3. briquetting; 31. a clamping block; 235. a fixed mount; 236. a hydraulic cylinder; 4. a fixing assembly; 41. positioning the threaded hole; 42. positioning a bolt; 5. a traveling wheel; 6. a lifting assembly; 61. a base; 62. a support wheel; 63. a jacking oil cylinder; 64. a rolling body; 7. a jacking plate; 9. deep grooves; 91. mounting grooves; 92. an auxiliary block; 10. a reinforcing plate; 11. a reinforcing plate; 12. a cross beam; 50. a body; 51. lifting lugs; 511. a card slot; 52. a placement chamber.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example one

Referring to fig. 1, the traction table according to the embodiment of the present invention includes a rectangular parallelepiped body 50 and lugs 51 welded to both sides of the bottom of the body 50 in the longitudinal direction. The traction table is provided with a placing cavity 52 for placing the traction converter, the lifting lugs 51 are positioned at two sides of the bottom of the body 50 in the length direction and are respectively distributed three times, and the upper surface of each lifting lug 51 is provided with two clamping grooves 511.

Referring to fig. 2 and fig. 3, a deviation correcting device for correcting a lifting lug of a subway traction table is disclosed in an embodiment of the present application. The deviation rectifying device comprises a supporting frame 1 for supporting the traction table and a deviation rectifying mechanism 2 for rectifying deviation of the lifting lug 51.

Referring to fig. 2 and 3, the deviation rectifying mechanism 2 includes a reference beam 21 horizontally arranged, two spacers 22 arranged on the reference beam 21, and two correcting assemblies 23 arranged at two ends of the reference beam 21 in the length direction and used for pressing the lifting lug 51 in the vertical direction, the length direction of the reference beam 21 is perpendicular to the length direction of the traction table, the two spacers 22 are arranged along the length direction of the reference beam 21, the upper surfaces of the two spacers 22 and the upper surface of the support frame 1 are on the same plane, and the length direction of the support frame 1 is perpendicular to the length direction of the traction table. When in use, the traction table is erected on the support frame 1 and the cushion block 22.

Referring to fig. 3, the correcting assembly 23 includes a column 231 vertically welded to the upper surface of the reference beam 21, a limit table 232 horizontally welded to a vertical side of the column 231 toward the center of the reference beam 21, the limit table 232 being located vertically above the reference beam 21, and a jack 233 provided between the limit table 232 and the reference beam 21. The lifting member 233 is provided as a jack in this embodiment.

Referring to fig. 3, a traveling wheel 5 is provided below the reference beam 21, specifically, a beam 12 is provided on the bottom surface of each end of the reference beam 21 in the length direction, the traveling wheel 5 is connected to the beam 12, and a brake mechanism is further provided on the traveling wheel 5. The reference beam 21 can be conveniently moved by the setting, so that the lifting lugs 51 at different positions can be conveniently corrected, and the correction convenience is improved.

Referring to fig. 3, a direct triangular reinforcing plate 10 is provided on the upright 231, one of the right-angled sides of the reinforcing plate 10 is fixedly connected with the limiting table 232, and the other right-angled side of the reinforcing plate 10 is fixedly connected with the upright 231. The surface of the two columns 231, which is away from each other, is provided with a trapezoidal reinforcing plate 11, the bottom end of the reinforcing plate 11 is welded with the upper surface of the reference beam 21, and the vertical side surface of the reinforcing plate 11 is welded with the vertical side surface of the column 231. This setting makes the stability of the column 231 higher, thereby ensuring the safety of the deviation correction process.

Referring to fig. 3, the cushion block 22 is slidably disposed on the reference beam 21 along the length direction of the reference beam 21, the length direction of the cushion block 22 is perpendicular to the length direction of the reference beam 21, two ends of the cushion block 22 in the length direction are vertically and integrally connected with the limit blocks 221, and one surface of each of the two limit blocks 221 facing the reference beam 21 is abutted against the reference beam 21, so that the function of slidably disposing the cushion block 22 is completed. The height of the spacer 22 can be adjusted by the setting, and when the height of the spacer 22 needs to be adjusted, a base plate is added between the bottom surface of the spacer 22 and the upper surface of the reference beam 21.

Referring to fig. 4, the fixing assembly 4 for fixing the position of the fixing assembly 4 is disposed on the cushion block 22, the fixing assembly 4 includes positioning threaded holes 41 respectively penetrating through the two limiting blocks 221 and positioning bolts 42 respectively screwed into the two threaded holes, and when the fixing assembly is fixed, one end of each positioning bolt 42 facing the reference beam 21 abuts against a vertical side surface of the reference beam 21, so that friction force is generated between one end of each positioning bolt 42 facing the reference beam 21 and the reference beam 21, and the positioning of the cushion block 22 is completed. The distance between the cushion blocks 22 can be adjusted by the setting, so that the device can be suitable for traction tables with different width sizes, and the adaptability of the deviation correcting device is improved.

Referring to fig. 5, the bottom surface of the limiting table 232 is detachably connected with an auxiliary block 92 for limiting the jacking piece 233, specifically: the level is equipped with deep trouth 9 on spacing platform 232, and the bottom surface of deep trouth 9 is vertical to be equipped with mounting groove 91, and when using, supplementary piece 92 joint is on the bottom surface of deep trouth 9. Be equipped with a plurality of joint grooves on supplementary piece 92 to conveniently adjust the distance between supplementary piece 92 bottom surface and the benchmark roof beam 21 upper surface, thereby the jacking piece 233 of adaptation different grade type that can be better.

Referring to fig. 5 and 6, a press block 3 is fixedly connected below the jacking member 233, a clamp block 31 corresponding to the clamp slot 511 on the upper surface of the lifting lug 51 is arranged at the bottom end of the press block 3, when the correcting assembly 23 is used for correcting the position of the lifting lug 51, the press block 3 is arranged in a clamping manner in the lifting lug 51, the bottom of the jack is abutted against the upper surface of the press block 3, and the top of the jack is abutted against the bottom surface of the auxiliary block 92. The operator operates the jack to change the height of the jack in the vertical direction, so that the bottom end of the jack presses the lifting lug 51 downwards to complete the deviation rectifying process.

Referring to fig. 7, a lifting assembly 6 is further arranged on the reference beam 21, the lifting assembly 6 includes a base 61 horizontally welded on one side of the reference beam 21 in the length direction, a supporting wheel 62 arranged below the base 61, a jacking cylinder 63 vertically and fixedly connected to the upper surface of the base 61, and a rolling body 64 ball-jointed to the end of a piston rod of the jacking cylinder 63, and the piston rod of the jacking cylinder 63 is vertically arranged upwards. In the embodiment, the rolling bodies 64 are spherical balls, in order to reduce the extrusion deformation of the rolling bodies 64 on the bottom surface of the traction table, the upper end of the jacking oil cylinder 63 is hinged with the jacking plate 7, the jacking plate 7 is provided with a plurality of spherical grooves, and the rolling bodies 64 are rotatably arranged in the spherical grooves.

The implementation principle of the deviation correcting device for correcting the deviation of the lifting lug of the subway traction table is as follows: the deviation rectifying process specifically comprises the following steps:

firstly, placing the support frame 1 and the reference beam 21 on the ground in parallel, then placing the traction table on the support frame 1 and the reference beam 21, and ensuring that two lifting lugs 51 on the same straight line in the width direction of the traction table are both positioned above the reference beam 21, and the body 50 is positioned on the same horizontal plane.

And secondly, placing the jacking piece 233, namely the jack, above the lifting lug 51, ensuring the clamping and embedding fit between the pressing block 3 and the lifting lug 51, and clamping the auxiliary block 92 at the bottom surface of the limiting table 232 through the mounting groove 91.

And thirdly, starting the jack, enabling the height of the jack to change, further enabling the bottom end of the jack to press the pressing block 3 downwards, further pressing the lifting lug 51 downwards, enabling the bottom surface of the lifting lug 51 to be abutted against the upper surface of the reference beam 21, and finishing the deviation rectifying process of the lifting lug 51 after a certain time.

Fourthly, after the deviation rectifying process of one pair of lifting lugs 51 of the traction table is finished, the jack is retracted; then, the lifting assembly 6 is operated, that is, the jacking oil cylinder 63 is started, the lifting plate 7 is driven to vertically move upwards, the rolling body 64 is further driven to abut against the bottom surface of the traction table body 50, the traction table body 50 is further lifted upwards, then the reference beam 21 is pushed to move towards the direction of the next pair of lifting lugs 51, after the lifting oil cylinder 63 is moved to a corresponding position, the jacking oil cylinder 63 is retracted, and at the moment, the next pair of lifting lugs 51 to be corrected of the traction table is located above the reference beam 21.

And (4) according to the steps, processing the remaining two pairs of lifting lugs 51.

Example two

Referring to fig. 8, the difference from the first embodiment is that the correcting unit 23 includes a fixed frame 235 fixedly connected above the reference beam 21 and a hydraulic cylinder 236 fixedly disposed vertically on the upper surface of the fixed frame 235, and a piston rod of the hydraulic cylinder 236 is disposed vertically downward. This kind of correction component 23 need not carry out artifical too much intervention, and the automation is pressed for the process of pressing is more accurate.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a deviation correcting device that is used for subway traction table lug to rectify a deviation which characterized in that: comprises a plurality of supporting frames (1) for supporting a traction table and a deviation rectifying mechanism (2) for rectifying deviation; the correcting mechanism (2) comprises a reference beam (21) which is horizontally arranged, cushion blocks (22) which are arranged on the reference beam (21) and correcting assemblies (23) which are arranged at two ends of the length direction of the reference beam (21) and used for extruding lifting lugs (51) in the vertical direction, wherein the length direction of the reference beam (21) is perpendicular to the length direction of a traction table, a plurality of cushion blocks (22) are arranged along the length direction of the reference beam (21), the upper surfaces of the cushion blocks (22) and the upper surface of a support frame (1) are positioned on the same plane, each correcting assembly (23) comprises a stand column (231) which is vertically arranged on the upper surface of the reference beam (21), a limiting table (232) which is horizontally and fixedly arranged on the stand column (231) and a jacking piece (233) which is vertically arranged below the limiting table (232), the bottom end of the jacking piece (233) is abutted to the lifting lugs (51), and the top end of the jacking piece (233) is abutted to the limiting table (232), can dismantle at spacing platform (232) bottom surface and be connected with and be used for carrying on spacing supplementary piece (92) to jacking piece (233), specifically be: a deep groove (9) is horizontally arranged on the limiting table (232), an installation groove (91) is vertically arranged on the bottom surface of the deep groove (9), and when the limiting table is used, the auxiliary block (92) is clamped on the bottom surface of the deep groove (9); a plurality of clamping grooves are formed in the auxiliary block (92);

be equipped with on benchmark roof beam (21) and be used for jacking subassembly (6) of lifting of traction table, lifting subassembly (6) are including the fixed base (61) that set up in benchmark roof beam (21) length direction one side of level, vertical setting at jacking cylinder (63) and the ball joint at jacking cylinder (63) tailpiece of the piston rod portion rolling element (64) of base (61) upper surface, the vertical upwards setting of piston rod of jacking cylinder (63).

2. The deviation correcting device for correcting the lifting lug of the metro traction table according to claim 1, wherein the deviation correcting device comprises: the bottom end of the jacking piece (233) is provided with a pressing block (3), the bottom surface of the pressing block (3) is provided with a clamping block (31), and the clamping block (31) is in clamping and embedding fit with a clamping groove (511) in the upper surface of the lifting lug (51).

3. The deviation correcting device for correcting the lifting lug of the metro traction table according to claim 1, wherein the deviation correcting device comprises: the cushion block (22) is arranged on the reference beam (21) in a sliding mode, and a fixing assembly (4) used for fixing the position of the cushion block (22) is arranged on the cushion block.

4. The deviation correcting device for correcting the lifting lug of the metro traction table according to claim 3, wherein the deviation correcting device comprises: the length direction of the perpendicular benchmark roof beam of length direction of cushion (22) (21), the equal vertical stopper (221) that is equipped with in both ends of cushion (22) length direction, stopper (221) contradict with benchmark roof beam (21) towards the one side of benchmark roof beam (21), fixed subassembly (4) are including locating screw hole (41) and threaded connection the locating bolt (42) in the threaded hole that link up two stopper (221) settings, locating bolt (42) are supported tightly at the vertical side of benchmark roof beam (21) towards the one end of benchmark roof beam (21).

5. The deviation correcting device for correcting the lifting lug of the metro traction table according to claim 1, wherein the deviation correcting device comprises: the lower part of benchmark roof beam (21) is equipped with walking wheel (5), be equipped with brake mechanism on walking wheel (5).

6. The deviation correcting device for correcting the lifting lug of the metro traction table according to claim 5, wherein the deviation correcting device comprises: the end part of a piston rod of the jacking oil cylinder (63) is hinged with a jacking plate (7), the upper surface of the jacking plate (7) is provided with a plurality of spherical grooves, and the rolling bodies (64) are arranged in the spherical grooves in a rolling mode respectively.