CN210732343U

CN210732343U - Subway pantograph spring outer spring dismouting workstation

Info

Publication number: CN210732343U
Application number: CN201921473865.4U
Authority: CN
Inventors: 王斌; 徐银浩; 李建忠
Original assignee: Changzhou Xingli Motorcycle Vehicle Part Co ltd
Current assignee: Changzhou Xingli Motorcycle Vehicle Part Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-12
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a subway pantograph spring outer spring dismouting workstation uses at locomotive accessory production technical field, and its technical scheme main points are: the pantograph type current collector comprises a workbench and a pantograph spring, wherein a plurality of clamping plates are fixedly arranged on the workbench, the clamping plates are uniformly distributed on two sides of the pantograph spring, the clamping plates on two sides of the pantograph spring are both abutted against the clamping plates, a fixed frame is arranged on the workbench, a movable block is arranged at the top end of the fixed frame on one side, a pressing block is hinged to the movable block, an inserting block is arranged at one end, away from a hinged point, of the pressing block, a first clamping block is arranged on the inserting block, a slot is formed in the top end of the fixed frame, a clamping slot is formed in the slot, a second clamping block is arranged in the slot in a sliding manner, a; the advantages are that: through setting up dedicated frock and workstation auxiliary work personnel and carrying out the dismouting to the pantograph spring, the staff operation of being convenient for has promoted production efficiency.

Description

Subway pantograph spring outer spring dismouting workstation

Technical Field

The utility model belongs to the technical field of locomotive accessory production technique and specifically relates to a subway pantograph spring outer spring dismouting workstation is related to.

Background

The pantograph is an electric device for an electric traction locomotive to obtain electric energy from a contact net, and is installed on the roof of the locomotive or a bullet train.

The pantograph spring is an important component part on the pantograph. The end cover is used for positioning the outer spring, and when the pantograph spring needs to be assembled or disassembled, the end cover of the pantograph spring is larger than the pre-tightening force required by threaded connection of the pantograph body, so that workers are not prone to disassembling and assembling the end cover, and therefore the workers need to be assisted by a special tool to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a subway pantograph spring outer spring dismouting workstation, its advantage is: through setting up dedicated frock and workstation auxiliary work personnel and carrying out the dismouting to the pantograph spring, the staff operation of being convenient for has promoted production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a subway pantograph spring outer spring dismounting workbench comprises a workbench and a pantograph spring, wherein a plurality of clamping plates vertical to the surface of the workbench are fixedly arranged on the workbench, the pantograph spring is placed on the workbench, the clamping plates are uniformly distributed on two sides of the pantograph spring and are parallel to each other, the clamping plates on two sides of the pantograph spring are all abutted against the circumferential side wall of the pantograph spring, a fixed frame is arranged on two sides of the middle part of the pantograph spring on the workbench, a movable block is arranged at the top end of the fixed frame on one side of the pantograph spring, a pressing block is hinged on the movable block, an inserting block is arranged at one end, away from a hinged point, of the pressing block, a first clamping block is arranged on the side surface, away from the direction of the pantograph spring, of the inserting block, a slot is arranged at the top end, away from one side of the movable block, of the pantograph spring, a clamping slot is, slide in the draw-in groove and have the second fixture block, second fixture block bottom fixedly connected with spliced pole, the spliced pole stretches into the tank bottom of draw-in groove and wears out from the mount, the part cover that the spliced pole is located the draw-in groove is equipped with compression spring, compression spring is contradicted with second fixture block bottom, second fixture block one end stretches into in the slot when compression spring is in natural state, be equipped with the screens bolt on the splint of pantograph spring length direction both ends both sides respectively, two the screens bolt is located pantograph spring two respectively, just the screens bolt is contradicted with the tip of pantograph spring outer spring spiral end.

By adopting the technical scheme, the staff places the pantograph spring in the center of the clamping plates, limits the transverse movement of the pantograph through the clamping plates uniformly distributed on the two sides of the pantograph spring, then the pressing block is rotated and the inserting block is inserted into the slot, the connecting rod is pulled to enable the second clamping block to be retracted into the clamping groove, when the first clamping block enters the slot and is positioned below the second clamping block, the first clamping block is loosened, the second clamping block abuts against the upper side of the first clamping block, and therefore the inserting block is prevented from being pushed out of the slot, thereby limiting the vertical displacement of the pantograph spring, tightly abutting the end part of the outer spring spiral end of the pantograph spring through the end part of the clamping bolt, the two clamping bolts respectively abut against the end parts at two ends of the outer spring spiral section of the pantograph spring to limit the rotation of the pantograph spring, thereby spacing the pantograph spring, the staff of being convenient for is dismantled the end cover of pantograph spring.

The utility model discloses further set up to: the utility model discloses a clamp bolt, including clamping bolt, clamping bolt overcoat, adjusting sleeve, clamping bolt threaded connection, the card hole has been seted up on the splint, adjusting sleeve is located the card downthehole, set up threaded hole on the side of splint thickness direction, threaded hole axis is perpendicular and screw hole and card hole intercommunication with card hole axis, screw hole female connection has clamp bolt, clamp bolt offsets with adjusting sleeve and is inconsistent.

Through adopting above-mentioned technical scheme, when the staff adjusted screens bolt position, carry out quick adjustment to the bolt through adjusting sleeve position, then compress tightly the sleeve through rotating clamp bolt, rotate the screens bolt at last and make screens bolt and pantograph spring outer spring spiral end portion contradict, compare in the screens bolt directly with splint threaded connection and need the mode that the screens bolt was rotated to the repetition many times when making the regulation, adjusting sleeve position makes screens bolt compress tightly the sleeve after quick and the contact of pantograph spring and rotate screens bolt a little and make screens bolt and the mode that the pantograph spring supported tightly more rapidly, clamping speed has been promoted, thereby production efficiency has been promoted.

The utility model discloses further set up to: the first fixture block is uniformly distributed with a plurality of first inclined planes along the height direction of the insert block, the first inclined planes face downwards when the insert block is inserted into the slot, the second fixture block is provided with second inclined planes, the second inclined planes face upwards, a damping rod is fixedly connected to the fixing frame below the movable block, and a piston rod of the damping rod is fixedly connected with the movable block.

By adopting the technical scheme, after a worker puts the pantograph spring between the clamping plates, the pressing block is rotated to align the insertion block of the pressing block with the fixedly added slot, then the pressing block is pressed downwards to enable the pressing block to move downwards, and the first inclined planes of the plurality of first clamping blocks on the insertion block sequentially press the second inclined planes of the second clamping blocks, so that the second clamping blocks are pressed into the slot, after each first clamping block passes through the slot, one end of each second clamping block stretches out of the slot again due to the elastic action of the compression spring, so that the insertion block is prevented from withdrawing from the slot, the worker selects the degree of pressing the pressing block downwards according to needs to adjust the pressing degree of the pressing block on the pantograph spring, and the damping rod reduces the possibility that the worker is injured due to the fact that the insertion block is popped out of the slot due to overlarge abutting degree after the worker pulls the connecting rod to enable the second clamping block to retract into the slot, the convenience of the device is improved.

The utility model discloses further set up to: after the insertion block is inserted into the insertion slot, a spring pressing plate is arranged on one side, facing the pantograph spring, of the pressing block, a plurality of pressing springs are arranged between the spring pressing plate and the pressing block and connected, and two ends of the pressing springs are fixedly connected with the spring pressing plate or the pressing block respectively.

Through adopting above-mentioned technical scheme, reduced because leave the possibility that makes the pantograph spring take place vertical drunkenness influence staff's operation at installation or dismantlement in-process between compact heap and the pantograph spring through setting up spring plate, promoted the reliability of device.

The utility model discloses further set up to: the clamping plates are respectively provided with a plurality of abutting plates on one sides facing the pantograph springs, a plurality of abutting springs are arranged between the abutting plates and the clamping plates, and the abutting springs are uniformly distributed on the side faces, facing the clamping plates, of the abutting plates and are respectively fixedly connected with the abutting plates and the clamping plates.

Through adopting above-mentioned technical scheme, support tight pantograph spring through supporting tight board, reduced the pantograph spring and taken place the possibility that horizontal drunkenness influences staff's operation at dismantlement and dark commentaries on classics in-process, further promoted the reliability of device.

The utility model discloses further set up to: the pantograph type.

Through adopting above-mentioned technical scheme, after the installation or dismantlement were accomplished, the staff pulled up and conversion compact piece, then started the cylinder, through the piston rod jack-up ejector pad of cylinder, the ejector pad promotes the pantograph spring, makes to support the pantograph spring that the tight board supported tightly on by the splint and lifts up from between the splint, and the staff of being convenient for takes out the pantograph spring, has promoted the device practicality.

The utility model discloses further set up to: the side surface of the workbench is provided with a wrench frame, and a special wrench is placed on the wrench frame.

Through adopting above-mentioned technical scheme, place special spanner on the spanner frame through the setting, reduced the condition of looking for special spanner when the staff uses, promoted the convenience of device.

The utility model discloses further set up to: the wrench frame is provided with a lengthened sleeve.

By adopting the technical scheme, the lengthened sleeve is sleeved on the wrench frame by a worker, the force required by the worker for screwing the end cover is saved by utilizing the lever principle, and convenience is provided for the worker.

To sum up, the utility model discloses a beneficial technological effect does:

1. the special tool and the workbench are arranged to assist workers in dismounting the pantograph spring, so that the operation of the workers is facilitated, and the production efficiency is improved;

2. through setting up spring pressing plate and supporting tight board, reduced installation or dismantlement in-process pantograph spring and taken place the possibility that the drunkenness influences staff's operation, promoted the reliability of device.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of the present embodiment for embodying the hold-down bolt and the threaded hole.

Fig. 3 is a schematic cross-sectional structural diagram for embodying the second fixture block and the first fixture block in the present embodiment.

Fig. 4 is an enlarged schematic view of the mechanism at a in fig. 3.

In the figure, 1, a workbench; 11. a groove; 12. a cylinder; 13. a push block; 14. a wrench frame; 15. a clamping hole; 2. a pantograph spring; 3. a splint; 31. a propping plate; 32. the spring is tightly propped; 33. a threaded hole; 34. a hold-down bolt; 4. a fixed mount; 41. a movable block; 411. a damping lever; 42. a compression block; 421. a spring pressing plate; 422. a compression spring; 43. inserting a block; 431 a first fixture block; 432. a first bevel 44, a slot; 441. a card slot; 442. a second fixture block; 443. connecting columns; 444. a compression spring; 445. a second inclined plane; 5. a clamping bolt; 51. an adjustment sleeve; 6. a special spanner; 61. the sleeve is lengthened.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a subway pantograph spring outer spring dismouting workstation, as shown in figure 1, including workstation 1 and pantograph spring 2, pantograph spring 2 places on workstation 1, and the splint 3 on 1 surperficial of a plurality of perpendicular to workstations of fixedly connected with on workstation 1, and a plurality of splint 3 are parallel to each other and even distribution just contradict with the circumference lateral wall of pantograph spring 2 respectively in 2 both sides of pantograph spring. Two sides of the workbench 1, which are located in the middle of the pantograph spring 2, are provided with fixed frames 4, the top end of one side of the fixed frame 4 is fixedly connected with a damping rod 411, the top end of the damping rod 411 is hinged with a pressing block 42, one end of the pressing block 42, which is far away from the damping rod 411, is provided with an inserting block 43, the inserting block 43 extends perpendicular to the pressing block 42, the top end of the other side of the fixed frame 4 is provided with a slot 44, the inserting block 43 is fixedly provided with a first fixture block 431, the inner wall of the slot 44 is provided with a slot 441, a second fixture block 442 (shown in figure 3) slides in the slot 441, a compression spring 444 (shown in figure 4) is fixedly connected between the bottom end of the second fixture block 442 and the bottom of the slot 441, the bottom end of the second fixture block 442, when the compression spring 444 is in a natural state, the second catch 442 partially protrudes into the slot 44;

as shown in fig. 1 and fig. 2, the fixing frame 4 located at the two end positions of the length direction of the pantograph spring 2 is provided with a clamping hole 15, a sleeve penetrates through the clamping hole 15, the inner side wall of the sleeve is connected with a clamping bolt 5 through threads, the clamping bolt 5 is abutted against the spiral end part of the outer spring of the pantograph spring 2, the side wall of the fixing frame 4 in the thickness direction is provided with a threaded hole 33, the inner side wall of the threaded hole 33 is connected with a pressing bolt 34 through threads, the threaded hole 33 is communicated with the clamping hole 15, the pressing bolt 34 is abutted against the circumferential side wall of the sleeve, the clamping bolt 5 is rapidly contacted with the spiral end part of the outer spring of the pantograph spring 2 through adjusting the position of the sleeve 51, then the sleeve is positioned through the pressing bolt 34 and the clamping bolt 5 is rotated, and the clamping bolt 5 is abutted against. Through the two splint 3 restrictions pantograph spring 2's of workstation lateral displacement to restrict pantograph spring 2 vertical displacement through compact heap 42, conflict with pantograph spring 2 outer spring spiral end portion through screens bolt 5, thereby carry on spacingly to pantograph spring 2, thereby the staff of being convenient for installs the dismantlement to pantograph spring 2's end cover.

As shown in fig. 3 and 4, a plurality of first fixture blocks 431 are provided, the plurality of first fixture blocks 431 are uniformly arranged along the length direction of the insert block 43, a space is left between adjacent fixture blocks, the length of each space is equal to the thickness of the second fixture block 442, the first fixture block 431 is provided with a first inclined surface 432, the second fixture block is provided with a second inclined surface 445, the second inclined surface 445 faces the upper side of the workbench 1, when the insert block 43 is inserted into the slot 44, the first inclined surface 432 faces the second inclined surface 445, after the pantograph spring 2 is placed in the middle of the clamp plate 3 by an operator, the operator rotates the pressing block 42 to insert the insert block 43 into the slot 44, then presses the pressing block 42 downwards, the first inclined surface 432 of the first fixture block 431 presses the second inclined surface 445 of the second fixture block 442, presses the second inclined surface 445 into the slot 441, after the first fixture block 431 passes through the slot 441, the elastic force of the compression spring pops the second fixture block 442 out of the slot 441, the side surface of the second fixture block 442, which is not provided with the second inclined surface 445, abuts against the side of the first fixture block 431, which is not provided with the first inclined surface 432, so that the insertion block 43 is prevented from exiting the slot 44, the worker adjusts the compression degree through selecting the first fixture block 431 abutting against the second fixture block 442, the compression block 42 is provided with the spring pressing plate 421 towards one side of the pantograph, a plurality of compression springs 422 are connected between the spring pressing plate 421 and the compression block 42, the gap between the compression block 42 and the pantograph spring 2 is reduced through the spring pressing plate 421, the possibility of longitudinal movement of the pantograph spring 2 in the installation and disassembly processes is reduced, and the reliability of the device is improved.

As shown in fig. 3, splint 3 all is equipped with towards one side of pantograph spring 2 to the tight board 31 that supports, support tight board 31 and support tight spring 32 towards the equal fixedly connected with in one side of splint 3, support tight spring 32 and all with splint 3 fixed connection and support tight spring 32 evenly distributed on splint 3 side near one side of splint 3, reduce through supporting tight board 31 because there is the space between pantograph spring 2 and the splint 3, lead to pantograph spring 2 to take place the possibility that horizontal drunkenness influences staff's operation at the in-process of installation or dismantlement, further promoted the reliability of device.

As shown in fig. 3, a groove 11 is formed in a position, located on the lower side of the pantograph spring 2, of the workbench 1, a cylinder 12 is fixedly connected to the bottom of the groove 11, a piston rod of the cylinder 12 vertically extends upwards, and a push block 13 is fixedly connected to the top end of the piston rod, when the piston rod of the cylinder 12 retracts, the upper surface of the push block 13 is flush with the upper surface of the workbench 1, when the piston rod of the cylinder 12 extends out, the push block 13 pushes the pantograph spring 2 out of the clamping plate 3, and a worker can take out the pantograph spring 2 conveniently.

As shown in fig. 3, a wrench holder 14 is fixedly connected to the side surface of the workbench 1, a special wrench 6 and an elongated sleeve 61 are placed on the wrench holder 14, the special wrench 6 is convenient for a worker to take and place, the elongated sleeve 61 is sleeved at the tail end of the special wrench, the force of the worker for screwing the end cover through the special wrench 6 is reduced through a lever principle, and the convenience of the device is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a subway pantograph spring outer spring dismouting workstation which characterized in that: comprises a workbench (1) and a pantograph spring (2), wherein a plurality of clamping plates (3) vertical to the surface of the workbench (1) are fixedly arranged on the workbench (1), the pantograph spring (2) is arranged on the workbench (1), the clamping plates (3) are uniformly distributed on two sides of the pantograph spring (2) and are parallel to each other, the clamping plates (3) on two sides of the pantograph spring (2) are all butted with the circumferential side wall of the pantograph spring (2), a fixing frame (4) is arranged on two sides of the middle part of the pantograph spring (2) on the workbench (1), a movable block (41) is arranged at the top end of the fixing frame (4) on one side of the pantograph spring (2), a pressing block (42) is hinged on the movable block (41), an inserting block (43) is arranged at one end of the pressing block (42) far away from a hinge point, a first clamping block (431) is arranged on the side face of the inserting block (43) far away from the direction of the pantograph spring (2), a slot (44) is formed in the top end of a fixing frame (4) on one side, far away from a movable block (41), of the pantograph spring (2), a clamping groove (441) is formed in the slot (44), a second clamping block (442) slides in the clamping groove (441), a connecting column (443) is fixedly connected to the bottom end of the second clamping block (442), the connecting column (443) extends into the bottom of the clamping groove (441) and penetrates out of the fixing frame (4), a compression spring (444) is sleeved on a part, located in the clamping groove (441), of the connecting column (443), the compression spring (444) is abutted against the bottom of the second clamping block (442), one end of the second clamping block (442) extends into the slot (44) when the compression spring (444) is in a natural state, clamping bolts (5) are respectively arranged on clamping plates (3) on two sides of the two ends of the length direction of the pantograph spring (2), and the two clamping bolts (5) are respectively located on two sides of the, and the clamping bolt (5) is abutted against the end part of the outer spring spiral end of the pantograph spring (2).

2. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 1, wherein: screens bolt (5) overcoat is equipped with adjusting sleeve (51), adjusting sleeve (51) and screens bolt (5) threaded connection, card hole (15) have been seted up on splint (3), adjusting sleeve (51) are located card hole (15), set up threaded hole (33) on the side of splint (3) thickness direction, screw hole (33) axis and perpendicular and screw hole (33) of card hole (15) axis communicate with card hole (15), screw hole (33) female connection has clamp bolt (34), clamp bolt (34) and adjusting sleeve (51) are inconsistent.

3. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 2, wherein: first fixture block (431) have a plurality of along the direction of height evenly distributed of inserted block (43), and is a plurality of all be equipped with first inclined plane (432) on first fixture block (431), when inserted block (43) insert slot (44) first inclined plane (432) are towards the below, be equipped with second inclined plane (445) on second fixture block (442), second inclined plane (445) are towards the top, fixedly connected with damping rod (411) on mount (4) of movable block (41) below, the piston rod and the movable block (41) fixed connection of damping rod (411).

4. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 3, wherein: after the insertion block (43) is inserted into the insertion slot (44), a spring pressing plate (421) is arranged on one side, facing the pantograph spring (2), of the pressing block (42), a plurality of pressing springs (422) are arranged between the spring pressing plate (421) and the pressing block (42) to be connected, and two ends of the pressing springs (422) are fixedly connected with the spring pressing plate (421) or the pressing block (42) respectively.

5. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 4, wherein: a plurality of splint (3) all are equipped with to tight board (31) towards one side of pantograph spring (2), support to be equipped with between tight board (31) and splint (3) a plurality of tight spring (32) that support, a plurality of support tight spring (32) evenly distributed on supporting tight board (31) towards the side of splint (3) and respectively with support tight board (31) and splint (3) fixed connection.

6. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 1, wherein: the pantograph type.

7. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 6, wherein: a wrench frame (14) is arranged on the side face of the workbench (1), and a special wrench (6) is placed on the wrench frame (14).

8. The workbench for dismounting and mounting outer spring of subway pantograph spring according to claim 7, wherein: the wrench frame (14) is provided with a lengthened sleeve (61).