CN219925025U - Connection structure for traction and bolster of suspension type railway vehicle - Google Patents

Abstract

The utility model relates to the technical field of traction and bolster cushioning for metro vehicles, and discloses a connection structure for traction and bolster cushioning of a suspension type railway vehicle. Including base and traction pillow slow, traction pillow slow places the upper surface at the base, the cavity has been seted up to the inside of base, the inside that the base is located the cavity rotates and is connected with two-way lead screw, threaded connection has two sliders on the pole wall of two-way lead screw, two the top of slider is fixedly connected with bracing piece respectively, it is equipped with the movable block to slide on the pole wall of bracing piece, the top fixedly connected with connecting block of movable block, the bracing piece runs through the connecting block setting. According to the utility model, the pull rod is pulled to enable the spring to shrink, meanwhile, the limiting block is shrunk to the inside of the cavity, the heights of the movable block and the connecting block can be adjusted according to the use requirement, and then the threaded rotating rod is rotated, so that the clamping plate is clamped on the side wall of the part which is slowly pulled, and the stability in welding is improved.

Description

Connection structure for traction and bolster of suspension type railway vehicle

Technical Field

The utility model relates to the technical field of traction and bolster cushioning for metro vehicles, in particular to a connecting structure for traction and bolster cushioning of a suspension type railway vehicle.

Background

The subway vehicle has the characteristics of safety, comfort, rapidness, environmental protection, large running energy and low energy consumption, and becomes an important component of urban public transportation, and the bogie, underframe traction pillow, and other bearing devices of the railway vehicle are used for transmitting traction power to the underframe of the vehicle body so as to ensure the stable running of the vehicle.

In the prior art, when the production is led to pillow slowly, in order to improve welding process's accuracy, need carry out firm processing to the connecting piece that leads to pillow slowly earlier, carry out welding operation again, and lead to follow-up welded operation comparatively inconvenient that pillow slowly structure is comparatively complicated and is inconvenient for carrying out the centre gripping stable. Therefore, the utility model designs a connecting structure for traction and bolster of the suspension type railway vehicle.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, in order to improve the accuracy of welding processing, a connecting piece of a traction sleeper is required to be subjected to stable treatment and then welding operation is required, and the traction sleeper is complex in structure and inconvenient to clamp and stabilize, and provides a connecting structure for traction sleeper of a suspension type railway vehicle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a connecting structure for suspension type rail vehicle traction pillow is slow, includes the base and traction pillow is slow, traction pillow is slow to be placed at the upper surface of base, the cavity has been seted up to the inside of base, the inside that the base is located the cavity rotates and is connected with two-way lead screw, threaded connection has two sliders on the pole wall of two-way lead screw, two the top of slider fixedly connected with bracing piece respectively, it is equipped with the movable block to slide on the pole wall of bracing piece, the top fixedly connected with connecting block of movable block, the bracing piece runs through the connecting block setting, the internal thread connection of connecting block has the screw thread bull stick, the screw thread bull stick is connected with splint for the one end rotation that traction pillow was slow, the inside of movable block is equipped with stop gear.

Preferably, the end part of the bidirectional screw rod extends to the outer side of the base and is fixedly connected with a rotating handle, and the top end of the supporting rod is fixedly connected with a fixing disc.

Preferably, the limiting mechanism comprises a limiting block and a spring, a plurality of limiting grooves are formed in the rod wall of the supporting rod, a cavity is formed in the movable block, the spring is fixedly connected in the cavity, the limiting block is fixedly connected to the end portion of the spring, and the limiting block extends to the inside of the limiting grooves.

Preferably, one end of the limiting block, which is connected with the spring, is fixedly connected with a pull rod, and the pull rod penetrates through the cavity and extends to the outer side of the movable block.

Preferably, the top of splint has seted up the opening, splint are located the open-ended inside and are equipped with the baffle, the lateral wall fixedly connected with pivot of baffle, the pivot rotates the inside that is connected with the splint.

Preferably, the inner wall threaded connection of splint has the screw rod, the screw rod is for the one end fixedly connected with driving lever of baffle, the slot has been seted up to the inside of baffle, the bar groove has been seted up to the inside that the baffle is located the slot, the pole wall of driving lever extends to the inside and the fixedly connected with driving block of slot, the driving block slides and sets up the inner wall at the bar groove, the baffle is located the inner wall fixedly connected with dog in bar groove, the one end fixedly connected with handle that the screw rod deviates from the driving lever.

Compared with the prior art, the utility model provides the connecting structure for the traction and bolster of the suspension type railway vehicle, which has the following beneficial effects:

1. this connection structure is slowly used to suspension type rail vehicle traction pillow makes the spring shrink through pulling the pull rod, and the stopper shrink to the inside of cavity simultaneously, can adjust the height of movable block and connecting block according to the user demand, then rotates the screw thread bull stick and can make splint press from both sides tightly to set up the stability when traction pillow is slow's part lateral wall improvement welding.

2. This connection structure is slowly used to suspension type rail vehicle traction pillow drives the screw rod through rotating the handle and rotates and drive driving lever and shifting block and stir the baffle, makes the baffle rotate along the pivot, can adjust the angle of baffle, carries out stable press treatment to welded part.

Drawings

Fig. 1 is a schematic structural view of a connecting structure for a traction and bolster of a suspension type railway vehicle;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a top view of the structure of the splint of fig. 2.

In the figure: 1 base, 2 traction pillow buffer, 3 bidirectional screw rod, 4 slide block, 5 support rod, 6 rotary handle, 7 movable block, 8 connecting block, 9 fixed disk, 10 screw thread rotary rod, 11 splint, 12 limit block, 13 spring, 14 pull rod, 15 baffle, 16 rotary shaft, 17 screw rod, 18 driving lever, 19 driving block, 20 baffle block, 21 handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-2, a connecting structure for a traction pillow of a suspension type railway vehicle comprises a base 1 and a traction pillow buffer 2, wherein the traction pillow buffer 2 is placed on the upper surface of the base 1, a cavity is formed in the base 1, the base 1 is located in the cavity and is rotationally connected with a bidirectional screw rod 3, two sliding blocks 4 are connected to the rod wall of the bidirectional screw rod 3 in a threaded mode, the top ends of the two sliding blocks 4 are respectively and fixedly connected with a supporting rod 5, a movable block 7 is arranged on the rod wall of the supporting rod 5 in a sliding mode, the top end of the movable block 7 is fixedly connected with a connecting block 8, the supporting rod 5 penetrates through the connecting block 8 and is provided with a threaded rotating rod 10, the threaded rotating rod 10 is rotationally connected with a clamping plate 11 relative to one end of the traction pillow buffer 2, the end of the bidirectional screw rod 3 extends to the outer side of the base 1 and is fixedly connected with a rotating handle 6, and the top end of the supporting rod 5 is fixedly connected with a fixed disc 9.

The inside of movable block 7 is equipped with stop gear, stop gear includes stopper 12 and spring 13, has seted up a plurality of spacing grooves on the pole wall of bracing piece 5, and the cavity has been seted up to the inside of movable block 7, and spring 13 fixed connection is in the inside of cavity, and stopper 12 fixed connection is in the tip of spring 13, and stopper 12 extends to the inside of spacing groove, and stopper 12 is connected with spring 13's one end fixedly connected with pull rod 14, and pull rod 14 runs through the cavity and extends to the outside of movable block 7.

When the traction pillow is used, the traction pillow is slowly 2 placed on the base 1, then the rotating handle 6 can drive the bidirectional screw rod 3 to rotate, so that the two sliding blocks 4 are driven to move mutually to drive the supporting rod 5, the movable block 7 and the connecting block 8 to move mutually, the pull rod 14 is pulled to enable the spring 13 to shrink, meanwhile, the limiting block 12 is shrunk to the inside of the cavity, the heights of the movable block 7 and the connecting block 8 can be adjusted according to use requirements, and then the threaded rotating rod 10 can enable the clamping plate 11 to clamp the side wall of a part arranged on the traction pillow slowly 2 to improve stability during welding.

Example two

Referring to fig. 2-3, the opening has been seted up on the top of splint 11, splint 11 is located the inside of open-ended and is equipped with baffle 15, baffle 15's lateral wall fixedly connected with pivot 16, pivot 16 rotates the inside that is connected with splint 11, splint 11's inner wall threaded connection has screw 17, screw 17 is for baffle 15's one end fixedly connected with driving lever 18, slot has been seted up to baffle 15's inside, baffle 15 is located the inside of slot and has been seted up the bar groove, driving lever 18's pole wall extends to the inside of slot and fixedly connected with driving piece 19, driving piece 19 slides and sets up the inner wall at the bar groove, baffle 15 is located the inner wall fixedly connected with dog 20 of bar groove, screw 17 deviates from driving lever 18's one end fixedly connected with handle 21.

In order to prevent the parts from being tilted up by extrusion, the handle 21 can be rotated to drive the screw 17 to rotate to drive the deflector rod 18 and the deflector block 19 to stir the baffle 15, so that the baffle 15 can rotate along the rotating shaft 16, the angle of the baffle 15 can be adjusted, and the welded parts can be stably pressed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a connecting structure for traction and bolster of a suspension type railway vehicle, which comprises a base (1) and traction and bolster (2), and is characterized in that: the traction pillow is slow (2) and is placed on the upper surface of a base (1), the cavity is formed in the base (1), the base (1) is located the cavity and is rotationally connected with a bidirectional screw rod (3), two sliding blocks (4) are connected to the rod wall of the bidirectional screw rod (3) in a threaded mode, two supporting rods (5) are fixedly connected to the top ends of the sliding blocks (4) respectively, movable blocks (7) are slidably arranged on the rod wall of the supporting rods (5), connecting blocks (8) are fixedly connected to the top ends of the movable blocks (7), the supporting rods (5) penetrate through the connecting blocks (8) and are arranged, a threaded rotating rod (10) is connected to one end of each connecting block (8) in a threaded mode, and a clamping plate (11) is rotationally connected to one end of each traction pillow (2), and a limiting mechanism is arranged in each movable block (7).

2. The connection structure for traction and bolster cushioning of a suspended railway vehicle as claimed in claim 1, wherein: the end part of the bidirectional screw rod (3) extends to the outer side of the base (1) and is fixedly connected with a rotating handle (6), and the top end of the supporting rod (5) is fixedly connected with a fixing disc (9).

3. The connection structure for traction and bolster cushioning of a suspended railway vehicle as claimed in claim 1, wherein: the limiting mechanism comprises a limiting block (12) and a spring (13), a plurality of limiting grooves are formed in the rod wall of the supporting rod (5), a cavity is formed in the movable block (7), the spring (13) is fixedly connected to the inside of the cavity, the limiting block (12) is fixedly connected to the end portion of the spring (13), and the limiting block (12) extends to the inside of the limiting groove.

4. The connection structure for traction and bolster of a suspended railway vehicle as claimed in claim 3, wherein: one end of the limiting block (12) connected with the spring (13) is fixedly connected with a pull rod (14), and the pull rod (14) penetrates through the cavity and extends to the outer side of the movable block (7).

5. The connection structure for traction and bolster cushioning of a suspended railway vehicle as claimed in claim 1, wherein: the top of splint (11) has seted up the opening, splint (11) are located the open-ended inside and are equipped with baffle (15), the lateral wall fixedly connected with pivot (16) of baffle (15), the inside of splint (11) is connected with in pivot (16) rotation.

6. The connection structure for traction and bolster of a suspended railway vehicle as claimed in claim 5, wherein: the inner wall threaded connection of splint (11) has screw rod (17), screw rod (17) are for the one end fixedly connected with driving lever (18) of baffle (15), the slot has been seted up to the inside of baffle (15), the bar groove has been seted up to the inside that baffle (15) are located the slot, the inside and fixedly connected with driving block (19) that the lever wall of driving lever (18) extends to the slot, driving block (19) sliding arrangement is at the inner wall in bar groove, baffle (15) are located the inner wall fixedly connected with dog (20) in bar groove, the one end fixedly connected with handle (21) that screw rod (17) deviate from driving lever (18).