Hinge top arc device for lower side door of open wagon of railway wagon

Abstract

The utility model provides a railway wagon open wagon lower side door folding top arc device which comprises a working table, supporting legs are fixedly connected to the four corners of the bottom of the working table, a folding top arc mechanism is arranged on the left side of the top of the working table, a machining table is fixedly connected to the right side of the top of the working table, and first transverse sliding grooves are formed in the front side and the rear side of the top of the machining table. The left side of the machining table is fixedly connected with an extension table, the top of the workbench is fixedly connected with a support, the top of the support is fixedly connected with a first driving air cylinder, a lower pressing plate is arranged above the machining table, and a clamping limiting mechanism is arranged on the right side of the top of the machining table. When the hinge top arc device for the lower side door of the open wagon is used, hinge plates with different lengths can be clamped and fixed, the offset phenomenon cannot occur during top arc machining of the hinge plates, the quality of the hinge plates after top arc machining is guaranteed, and damage to the hinge plates is avoided.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of under side door folding top arc device, concretely is railway freight car gondola car under side door folding top arc device. BACKGROUND

[0002] Gondola car is one of the car types of railway freight car, its characteristic is no cover, four side walls, among them two side walls have side door that can be turned over to facilitate unloading goods; the main purpose of this car model is to transport coal or ballast and other bulk goods that are not afraid of wind and rain; the under side door of gondola car is an important appearance part of railway freight car, and the surface quality requirement is very high, which belongs to the fluctuation forming of large covering part, and the stamping die is complex; in order to facilitate the unloading of gondola car, the domestic general gondola car is provided with six upper opening type under side doors on each side wall; the under side door is composed of door plate and folding leaf; the folding leaf is welded with under side door lifting hook hanging ring in the middle; after the under side door is turned up, the under side door lifting hook on the upper side beam hangs the under side door.

[0003] Through the retrieval, the utility model patent with the announcement number CN211161329U discloses a rail transit freight car gondola car under side door folding top arc device, which comprises a rack, a top arc mechanism, a pressing mechanism and a placing rack; the top arc mechanism comprises a top arc cylinder and a top arc block; the pressing mechanism comprises a pressing cylinder and a pressing block; the top arc block comprises an upper edge and a lower edge, and the connection between the upper edge and the lower edge is in a semicircular shape; the upper end of the placing rack is flush with the upper end of the lower edge; the patent has a simple structure, can process the folding leaf to the right place in one step, does not need heating, and improves the working efficiency.

[0004] In the above-mentioned patent technical scheme, the placing rack and the top arc mechanism cooperate to process the folding leaf to the right place in one step, do not need heating, and improve the working efficiency. However, the above-mentioned patent technical scheme still has the following shortcomings when in use:

[0005] 1. When in use, the placing rack and the pressing mechanism cooperate to clamp and fix the folding leaf, but the above-mentioned patent technical scheme can only clamp and fix the folding leaf of the same length; if the folding leaf of other length is used for top arc processing, the right side of the folding leaf cannot contact the rack, which causes the folding leaf to move easily when top arc, resulting in poor quality of the folding leaf after top arc, and seriously, the folding leaf is easily damaged, increasing the processing cost;

[0006] 2. When in use, the top arc cylinder pushes the top arc block to perform the top arc work on the folding leaf, but the top arc block in the above-mentioned patent technical scheme is fixedly arranged and cannot be replaced according to different requirements of the folding leaf top arc, which reduces the practicability of the gondola car under side door folding top arc device and reduces the processing efficiency of the folding leaf.

[0007] Therefore, we provide a railway freight car open car lower side door folding top arc device to solve the defects in the above scheme. Utility model content

[0008] The utility model mainly provides railway freight car open car lower side door folding top arc device to solve the technical problem that the prior art proposes.

[0009] The utility model solves the technical problems that the prior art adopts the technical scheme of:

[0010] Railway freight car open car lower side door folding top arc device, including work table, four corner places of work table bottom are all fixedly connected with support leg, the left side of work table top is equipped with folding top arc mechanism, the right side fixedly connected with processing platform of work table top, the both sides of processing platform top are all set up horizontal sliding slot no.

[0011] Further, the folding top arc mechanism includes a support plate one fixedly connected to the left side of the work table top, a drive cylinder two fixedly connected to the left side of the support plate one, an assembly plate provided on the right side of the support plate one, an insertion slot provided on the right side end face of the assembly plate, a top arc plate provided on the right side of the assembly plate, a top arc groove provided on the right side end face of the top arc plate, an insertion block fixedly connected to the left side of the top arc plate, a clamping groove provided on the both sides of the insertion block, a clamping box fixedly connected to the both sides of the assembly plate, a horizontal sliding groove two provided on the inner walls of the both sides of the clamping box, a movable plate provided inside the clamping box, a clamping plate fixedly connected to the side of the movable plate close to the assembly plate, a return spring fixedly connected to the side of the movable plate away from the assembly plate, a pull rod fixedly connected to the both sides of the movable plate away from the assembly plate and located above and below the return spring, a hand pulling plate fixedly connected to the end of the pull rod away from the movable plate and penetrating through the clamping box, and a limit sliding block fixedly connected to the both sides of the movable plate.

[0012] Further, the assembly plate left side is fixedly connected with the output end of the drive cylinder two, the insertion block is slidably connected with the insertion slot, the end of the clamping plate away from the movable plate penetrates through the clamping box and the assembly plate and extends to the inside of the insertion slot, the clamping plate is slidably connected with the penetration of the clamping box and the assembly plate, and the clamping plate is clamped with the clamping slot.

[0013] Further, the limit sliding block is slidably connected with the horizontal sliding groove two, the pull rod is slidably connected with the penetration of the clamping box, and the return spring is provided with a damper inside.

[0014] Further, the clamping limiting mechanism comprises a support plate 2 fixedly connected to the right side of the top of the machining table, a driving cylinder 3 fixedly connected to the right side of the support plate 2, a movable top plate arranged on the left side of the support plate 2, a driving motor fixedly connected to the rear end of the movable top plate, guide sliding blocks fixedly connected to the bottom of the movable top plate, clamping plates arranged on the left side of the movable top plate, rubber pads fixedly connected to the opposite sides of the clamping plates, a groove formed in the left side surface of the movable top plate, a threaded rod arranged in the movable top plate, a split block fixedly sleeved with the outer side center of the threaded rod, and inner thread sliding blocks sleeved with the outer side of the threaded rod and arranged on the left and right sides of the split block.

[0015] Further, the movable top plate is fixedly connected with the output end of the driving cylinder 3, and the guide sliding blocks are slidably connected with the horizontal sliding grooves 1.

[0016] Further, the front end of the threaded rod is rotatably connected with the inner wall of the movable top plate through a bearing, the rear end of the threaded rod is fixedly connected with the output end of the driving motor, the thread rotation directions of the threaded rods arranged on the left and right sides of the split block are opposite, the inner thread sliding blocks are threadedly connected with the threaded rods, the left end of the connecting rod penetrates through the groove and is fixedly connected with the right side of the clamping plate, and the connecting rod is slidably connected with the groove.

[0017] Further, the top of the pressing plate is fixedly connected with the output end of the driving cylinder 1, and the height of the extension table is lower than the height of the machining table.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The utility model discloses a processing table, a page top arc mechanism, a driving cylinder and a pressing plate are used in cooperation, when processing the page plate, the worker places the page plate on the processing table, makes the page plate top arc position face left, then starts driving cylinder three and pushes movable top plate to move to left, after being pasted with the right side of the page plate, continues to push the page plate and moves to left and makes the left edge of the page plate align with the left edge of the extension table, after alignment, driving cylinder three stops, at this moment, driving motor starts, rotates threaded rod and drives two inner thread sliding blocks to move to the inside simultaneously, clamps and fixes the front and rear sides of the page plate, after fixing, driving cylinder one starts, pushes pressing plate to move down and clamps the top of the page plate, so that the page plate top arc mechanism can clamp and fix the page plate of different lengths when being used, the page plate top arc mechanism can not appear the deviation phenomenon when processing the page plate top arc, the quality of the page plate after top arc is guaranteed, and the page plate is prevented from being damaged.

[0020] 2. The utility model discloses a folding top arc mechanism is provided with the top arc groove of setting up on the top arc plate, and the folding top arc mechanism is provided with the drive cylinder no. 2 that is started to the right side of the assembling plate is moved to the top arc groove of the top arc plate is opened to the folding plate top arc work is carried out to the folding plate, and the drive cylinder no. 2 is pulled to the assembling plate returns to the trigger position after top arc operation is completed, then the clamping of folding plate is released, and the folding plate can be taken out, when the top arc operation is carried out to the folding plate of different specifications, the worker can replace the corresponding top arc plate according to the requirement of the folding plate, by pulling hand pull -out board, the clamping of the plug -in block is released to the worker, and the top arc plate that does not meet is taken down, then the top arc plate that meets is inserted into the plug -in slot through the plug -in block, and hand pull -out board is loosened, and the clamping plate is inserted into the clamping groove under the action of reset spring, and the clamping of top arc plate is carried out, and the replacement of top arc plate is completed, so that the open car lower side door folding top arc device can be replaced according to the different requirement of folding plate top arc when using, improve the practicability of open car lower side door folding top arc device, improve the processing efficiency of folding plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the utility model;

[0022] Figure 2 It is folding top arc mechanism structure schematic diagram of the utility model;

[0023] Figure 3 It is clamping box inside side view structure schematic diagram of the utility model;

[0024] Figure 4 It is processing table whole structure schematic diagram of the utility model;

[0025] Figure 5 It is folding top arc mechanism inside plan view structure schematic diagram of the utility model.

[0026] In the drawing: 1, worktable; 101, support leg; 102, processing table; 103, horizontal sliding slot one; 104, extension table; 105, support; 106, drive cylinder one; 107, down pressure plate; 2, folding top arc mechanism; 201, support plate one; 202, drive cylinder two; 203, assembling plate; 204, plug -in slot; 205, top arc plate; 206, top arc groove; 207, plug -in block; 208, clamping groove; 209, clamping box; 210, horizontal sliding slot two; 211, movable plate; 212, clamping plate; 213, limit sliding block; 214, reset spring; 215, pull rod; 216, hand pull -out board; 3, folding top arc mechanism; 301, support plate two; 302, drive cylinder three; 303, movable top plate; 304, drive motor; 305, guide sliding block; 306, clamping plate; 307, rubber pad; 308, slot; 309, threaded rod; 310, split block; 311, internal thread sliding block; 312, connecting rod. Detailed Implementation

[0027] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0028] For an example, please refer to the appendix. Figures 1-5 As shown, the folding top arc device for the lower side door of an open railway freight car includes a workbench 1. Support legs 101 are fixedly connected to the four corners of the bottom of the workbench 1. A folding top arc mechanism 2 is provided on the left side of the top of the workbench 1. A processing table 102 is fixedly connected to the right side of the top of the workbench 1. Transverse sliding grooves 103 are provided on both the front and rear sides of the top of the processing table 102. An extension table 104 is fixedly connected to the left side of the processing table 102. A bracket 105 is fixedly connected to the top of the workbench 1. A drive cylinder 106 is fixedly connected to the top of the bracket 105. A lower pressure plate 107 is provided above the processing table 102. A locking and limiting mechanism 3 is provided on the right side of the top of the processing table 102.

[0029] The folding top arc mechanism 2 comprises a supporting plate one 201 fixedly connected to the top left side of the workbench 1, a driving cylinder two 202 fixedly connected to the left side of the supporting plate one 201, an assembling plate 203 arranged on the right side of the supporting plate one 201, an insertion slot 204 formed in the right side end face of the assembling plate 203, a top arc plate 205 arranged on the right side of the assembling plate 203, a top arc slot 206 formed in the right side end face of the top arc plate 205, an insertion block 207 fixedly connected to the left side of the top arc plate 205, a clamping groove 208 formed in the front and back sides of the insertion block 207, a clamping box 209 fixedly connected to the front and back sides of the assembling plate 203, a horizontal sliding groove two 210 formed in the inner walls of the upper and lower sides of the clamping box 209, a movable plate 211 arranged in the clamping box 209, a clamping plate 212 fixedly connected to the side of the movable plate 211 close to the assembling plate 203, a reset spring 214 fixedly connected to the side of the movable plate 211 away from the assembling plate 203, a pull rod 215 fixedly connected to the upper and lower sides of the side of the movable plate 211 away from the assembling plate 203 and located on the upper and lower sides of the reset spring 214, a hand pulling plate 216 fixedly connected to the end of the pull rod 215 away from the movable plate 211 and penetrating through the clamping box 209, a limiting sliding block 213 fixedly connected to the upper and lower sides of the movable plate 211, the left side of the assembling plate 203 is fixedly connected with the output end of the driving cylinder two 202, the insertion block 207 is in sliding connection with the insertion slot 204, the end of the clamping plate 212 away from the movable plate 211 penetrates through the clamping box 209 and the assembling plate 203 and extends into the insertion slot 204, the clamping plate 212 is in sliding connection with the penetration positions of the clamping box 209 and the assembling plate 203, the clamping plate 212 is clamped with the clamping groove 208, the limiting sliding block 213 is in sliding connection with the horizontal sliding groove two 210, the pull rod 215 is in sliding connection with the penetration position of the clamping box 209, and the reset spring 214 is internally provided with a damper.

[0030] Wherein, the clamping limiting mechanism 3 includes the support plate two 301 fixedly connected to the right side of the top of the machining table 102, the drive cylinder three 302 is fixedly connected to the right side of the support plate two 301, the movable top plate 303 is arranged on the left side of the support plate two 301, the drive motor 304 is fixedly connected to the rear end of the movable top plate 303, the guide sliding block 305 is fixedly connected to the bottom of the movable top plate 303, the clamping plate 306 is arranged on the left side of the movable top plate 303, the rubber pad 307 is fixedly connected to the opposite side of the clamping plate 306, the slot 308 is formed in the left side end surface of the movable top plate 303, the threaded rod 309 is arranged in the movable top plate 303, the split block 310 is fixedly connected to the outside center of the threaded rod 309, the internal thread sliding block 311 is sleeved on the outside of the threaded rod 309 and located on the left and right sides of the split block 310, the connecting rod 312 is fixedly connected to the left side of the internal thread sliding block 311, the movable top plate 303 is fixedly connected with the output end of the drive cylinder three 302, the guide sliding block 305 is slidably connected with the horizontal sliding groove one 103, the threaded rod 309 is rotatably connected with the inner wall of the movable top plate 303 through a bearing, the threaded rod 309 is fixedly connected with the output end of the drive motor 304, the screw rotation directions of the threaded rod 309 arranged on the left and right sides of the split block 310 are opposite, the internal thread sliding block 311 is screw-connected with the threaded rod 309, the connecting rod 312 is fixedly connected with the right side of the clamping plate 306 by penetrating through the slot 308, and the connecting rod 312 is slidably connected with the slot 308, when the folding plate is machined, the worker places the folding plate on the machining table 102, so that the position to be arched of the folding plate faces the left side, then the drive cylinder three 302 is started to drive the movable top plate 303 to move to the left side, after the folding plate is attached to the right side, the folding plate is continuously pushed to move to the left side to make the left edge of the folding plate align with the left edge of the extension table 104, after alignment, the drive cylinder three 302 is stopped, at this time, the drive motor 304 is started to drive the threaded rod 309 to rotate, so that the two internal thread sliding blocks 311 drive the two clamping plates 306 to move to the inside at the same time, the left and right sides of the folding plate are clamped and fixed, so that when the gondola car lower side door folding arching device is used, different lengths of folding plates can be clamped and fixed, and when the folding plate is arched, the phenomenon of deviation does not occur, the quality of the arched folding plate is guaranteed, and the folding plate is prevented from being damaged.

[0031] 8.The railway freight car gondola car lower side door folding arching device according to claim 1, wherein the lower pressing plate 107 is fixedly connected with the output end of the drive cylinder one 106, the height of the extension table 104 is lower than the height of the machining table 102, and after the clamping limiting mechanism 3 is completed to fix the folding plate, the drive cylinder one 106 is started to drive the lower pressing plate 107 to move downwards and clamp the top of the folding plate, so that the phenomenon of deviation does not occur when the folding plate is arched.

[0032] The specific operation mode of the utility model is as follows:

[0033] First, when the folding plate is processed, the worker can replace the corresponding top arc plate 205 according to the needs of the folding plate, pull the hand pull plate 216, put the clamping plate 212 into the clamping box 209, release the clamping of the plug-in block 207, and the worker can take off the inconsistent top arc plate 205, then insert the consistent top arc plate 205 into the plug-in slot 204 through the plug-in block 207, and loosen the hand pull plate 216, so that the clamping plate 212 is inserted into the clamping slot 208 under the action of the reset spring 214, and the clamping plate 212 is clamped on the top arc plate 205, the replacement of the top arc plate 205 is completed, then the worker places the folding plate on the processing table 102, and the folding plate to be top-arched position faces the left side, then the driving cylinder three 302 pushes the movable top plate 303 to move to the left side, and after the movable top plate 303 is attached to the right side of the folding plate, the folding plate is continuously pushed to the left side to align the left edge of the folding plate with the left edge of the extension table 104, after alignment, the driving cylinder three 302 stops, at this time, the driving motor 304 is started, which drives the threaded rod 309 to rotate, so that the two internally threaded sliding blocks 311 drive the two clamping plates 306 to move inward at the same time, and the front and rear sides of the folding plate are clamped and fixed, after the clamping and fixing is completed, the driving cylinder one 106 is started, which pushes the lower pressing plate 107 to move downward and clamps the top of the folding plate, so that the folding plate does not deviate during top-arching, so that the undercarriage lower door folding top-arching device can clamp and fix folding plates of different lengths without deviation during folding plate top-arching, ensuring the quality of the top-arched folding plate and avoiding damage to the folding plate. After the clamping and fixing of the folding plate is completed, the driving cylinder two 202 is started to drive the assembly plate 203 to move to the right side, so that the top-arching slot 206 formed in the top arc plate 205 performs top-arching work on the folding plate, after the top-arching operation is completed, the driving cylinder two 202 pulls the assembly plate 203 back to the trigger position, then releases the clamping of the folding plate, and the folding plate can be taken out.

[0034] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above method. As long as the method concept and technical solution of the utility model are used for non-essential improvement or direct application in other occasions, it is within the protection scope of the utility model.

Claims

1. A hinged top arc device for the lower side door of an open railway freight car, comprising a workbench (1), characterized in that: The workbench (1) has four fixed support legs (101) at the bottom corners. The workbench (1) has a folding top arc mechanism (2) on the top left side. The workbench (1) has a processing table (102) fixedly connected to the top right side. The processing table (102) has a transverse sliding groove (103) on both the front and rear sides of the top. The processing table (102) has an extension table (104) fixedly connected to the left side. The workbench (1) has a bracket (105) fixedly connected to the top. The bracket (105) has a drive cylinder (106) fixedly connected to the top. The processing table (102) has a lower pressure plate (107) above it. The processing table (102) has a locking and limiting mechanism (3) on the top right side.

2. The folding top arc device for the lower side door of an open railway freight car according to claim 1, characterized in that: The folding top arc mechanism (2) includes a support plate (201) fixedly connected to the left side of the top of the workbench (1). A driving cylinder (202) is fixedly connected to the left side of the support plate (201). An assembly plate (203) is provided on the right side of the support plate (201). An insertion slot (204) is provided on the right end face of the assembly plate (203). A top arc plate (205) is provided on the right side of the assembly plate (203). A top arc groove (206) is provided on the right end face of the top arc plate (205). An insertion block (207) is fixedly connected to the left side of the top arc plate (205). A snap-fit ​​groove (208) is provided on both the front and rear sides of the insertion block (207). A snap-fit ​​box (209) is fixedly connected to both the front and rear sides of the assembly plate (203). (209) The inner walls of the upper and lower sides are provided with transverse sliding grooves (210). The snap-fit ​​box (209) is provided with a movable plate (211). The side of the movable plate (211) close to the assembly plate (203) is fixedly connected to a snap-fit ​​plate (212). The side of the movable plate (211) away from the assembly plate (203) is fixedly connected to a return spring (214). The side of the movable plate (211) away from the assembly plate (203) and located on both the upper and lower sides of the return spring (214) is fixedly connected to a pull rod (215). The end of the pull rod (215) away from the movable plate (211) passes through the snap-fit ​​box (209) and is fixedly connected to a pull plate (216). The upper and lower sides of the movable plate (211) are fixedly connected to limit sliders (213).

3. The folding top arc device for the lower side door of an open railway freight car according to claim 2, characterized in that: The left side of the assembly plate (203) is fixedly connected to the output end of the second drive cylinder (202). The plug block (207) is slidably connected to the plug slot (204). The end of the snap plate (212) away from the movable plate (211) passes through the snap box (209) and the assembly plate (203) and extends into the plug slot (204). The snap plate (212) is slidably connected to the snap box (209) and the assembly plate (203) at the point where they pass through. The snap plate (212) is snapped into the snap slot (208).

4. The folding top arc device for the lower side door of an open railway freight car according to claim 2, characterized in that: The limiting slider (213) is slidably connected to the transverse slide groove (210), the pull rod (215) is slidably connected to the snap-fit ​​box (209) through the passage, and the reset spring (214) is provided with a damper inside.

5. The folding top arc device for the lower side door of an open railway freight car according to claim 1, characterized in that: The locking and limiting mechanism (3) includes a second support plate (301) fixedly connected to the right side of the top of the processing table (102). A third drive cylinder (302) is fixedly connected to the right side of the second support plate (301). A movable top plate (303) is provided on the left side of the second support plate (301). A drive motor (304) is fixedly connected to the rear end of the movable top plate (303). Guide sliders (305) are fixedly connected to both the front and rear sides of the bottom of the movable top plate (303). Clamping plates (304) are provided at both the front and rear ends of the left side of the movable top plate (303). 06), rubber pads (307) are fixedly connected to each other on the opposite side of the clamping plate (306), a slot (308) is opened on the left end face of the movable top plate (303), a threaded rod (309) is provided inside the movable top plate (303), a dividing block (310) is fixedly sleeved at the center of the outer side of the threaded rod (309), and an internal threaded slider (311) is sleeved on the outer side of the threaded rod (309) and on both the front and rear sides of the dividing block (310), and a connecting rod (312) is fixedly connected to the left side of the internal threaded slider (311).

6. The folding top arc device for the lower side door of an open railway freight car according to claim 5, characterized in that: The right side of the movable top plate (303) is fixedly connected to the output end of the third driving cylinder (302), and the guide slider (305) is slidably connected to the first transverse slide groove (103).

7. The folding top arc device for the lower side door of an open railway freight car according to claim 5, characterized in that: The front end of the threaded rod (309) is rotatably connected to the inner wall of the movable top plate (303) via a bearing. The rear end of the threaded rod (309) is fixedly connected to the output end of the drive motor (304). The threaded rod (309) is located on both sides of the dividing block (310) with opposite thread directions. The internal threaded slider (311) is threadedly connected to the threaded rod (309). The left end of the connecting rod (312) passes through the slot (308) and is fixedly connected to the right side of the clamping plate (306). The connecting rod (312) is slidably connected to the slot (308).

8. The folding top arc device for the lower side door of an open railway freight car according to claim 1, characterized in that: The top of the lower pressure plate (107) is fixedly connected to the output end of the drive cylinder (106), and the height of the extension table (104) is lower than the height of the processing table (102).

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