CN220093572U - Motor train unit cab front end mount pad pairing device - Google Patents

Abstract

The utility model discloses a motor train unit cab front end mounting seat assembling device, and belongs to the technical field of auxiliary tool for assembling railway traffic vehicle body parts; the pairing device of the utility model comprises: a device body having a positioning seat; positioning grooves are circumferentially distributed in the positioning seat and are detachably and fixedly connected with the parts to be assembled through connecting pieces; the structure of the device main body is in an inverted convex structure and is used for adapting to the structure of the front end of the cab, the bottom end of the device main body is provided with a reference part, so that the reference part coincides with the reference of the installation hole of the coupler seat, the positioning seat is far away from the reference part and can be placed at the theoretical assembly position of the components to be assembled, so that the components to be assembled are assembled and welded on the end wall.

Description

Motor train unit cab front end mount pad pairing device

Technical Field

The utility model relates to the technical field of auxiliary tools for assembling railway transportation vehicle body parts, in particular to a device for assembling front-end mounting seats of a motor train unit cab.

Background

The outer surface of a cab of the 160Km power centralized motor train unit is of a complex streamline structure, the front end wall of the cab and the horizontal plane form an angle of about 60 degrees, and the cab is formed by two parallel planes and is of a non-integral plane structure. The front end wall and the front end surface of the underframe form two mounting surfaces together, and a plurality of mounting seats are required to be welded on the two mounting surfaces in a rooting way and used together so as to mount components such as a cab opening and closing mechanism, a brake code and the like. The reference of the height direction of the mounting seat is the center of a coupler seat mounting hole at the front end of the underframe, the reference of the width direction is the center of the car body, namely the transverse center of the coupler seat, and the reference of the length direction is the vertical beam end face at the front end of the underframe. The precision requirement of the size after assembly welding is 1mm. Meanwhile, the installation seat spacing and the positioning size from the reference of the cab vehicles in different batches are not completely inconsistent.

Because the reference of three dimensions is not in the same plane, the installation surface of the material is also not horizontal or vertical, in early project production, the space dimensions of a plurality of dimensions are required to be measured by means of tools such as a laser ink line instrument, a pendant and the like, the measurement process is complex, the dimensional positioning precision is low, the installation precision requirement is high, the repeated adjustment is required after the measurement is marked, meanwhile, a plurality of installation seats are uniformly used, the dimensional relevance among the installation seats is large, the technical working hour of the procedure of installing and welding the material is long, the efficiency is low, and the requirement of vehicle metronometric production is not met. After the welding of the vehicle body workshop is finished, most parts such as an opening and closing mechanism and the like need to be modified when the assembly workshop is used for installing, and the mounting seat is re-assembled and welded by taking the assembly point of the actual mounting part as a reference, so that the production period of the whole vehicle is seriously influenced, and a large amount of processes and production resources are occupied;

therefore, based on the above-mentioned problems, how to develop a motor train unit cab front end mounting seat assembly device which can be uniformly mounted, has high positioning accuracy, flexible mounting, quick adjustment, shortened process cycle and improved production efficiency, and becomes an important technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a motor train unit cab front end mounting seat assembling device, which realizes high-precision positioning of components such as a 160Km motor train unit cab front end opening and closing structure, a brake code and the like, is convenient and quick to assemble, meets the requirements of quick adjustment of mounting seats with different positioning sizes of different vehicle types, greatly shortens the process period and improves the production efficiency;

in order to achieve the above object, the present utility model provides the following technical solutions:

the utility model discloses a motor train unit cab front end mounting seat assembly device, which comprises:

a device body having a positioning seat;

positioning grooves are circumferentially distributed in the positioning seat and are detachably and fixedly connected with the parts to be assembled through connecting pieces;

the structure of the device main body is in an inverted convex structure and is used for adapting to the structure of the front end of the cab, the bottom end of the device main body is provided with a reference part, so that the reference part coincides with the reference of the installation hole of the coupler seat, and the positioning seat is far away from the reference part and can be placed at the theoretical assembly position of the components to be assembled, so that the components to be assembled are assembled and welded on the end wall.

Furthermore, the projection of the positioning base surface, which is attached to the coupler seat, of the reference part and the positioning seat on the horizontal plane is arranged at intervals.

Further, the positioning shaft is matched with the coupler seat mounting holes in number and fixedly connected with the reference part, and the positioning shaft is in interference fit with the coupler seat mounting holes.

Further, the device main body further comprises a support fixedly connected to the lower portion of the positioning seat, a positioning plate is fixedly connected to one side of the support, and the positioning plate and the positioning shaft form the reference portion.

Furthermore, the support and the positioning seat are both in a frame structure formed by surrounding quadrangular sectional materials in cross section, and the positioning grooves are formed in the side walls of the sectional materials along the length direction.

Further, an upright column extending upwards is formed on one side of the support and is fixedly connected with the positioning seat through the upright column.

Further, the support also comprises a reinforcing structure, and the upright post and the upper surface of the support are connected with the reinforcing structure.

Furthermore, the positioning shaft is a hollow shaft, and the positioning shaft is provided with a bolt assembly in a penetrating way and is used for fixedly connecting the device main body with the coupler seat.

Further, the scale is provided with scales, and the side wall of the positioning seat is provided with the scale for marking the displacement dimension of the component to be assembled along the vertical axis or the horizontal axis.

In the technical scheme, the pairing device for the front end mounting seat of the motor train unit cab provided by the utility model has the beneficial effects that:

compared with the traditional manual assembling method of a cab opening and closing mechanism or a brake code mounting seat, the device for assembling the front end mounting seat of the motor train unit cab can conveniently and rapidly realize the assembling of mounting seats with complex, multi-dimensional and high-precision requirements, meanwhile, through the adjustable positioning seat and the support, the device can meet the requirements of different vehicle types, and secondly, the positioning seat can conveniently adjust the sizes of the center and the end face of the parts to be assembled from a reference plane by utilizing the scale, thereby realizing the rapid positioning of the parts to be assembled of different vehicle types and different sizes, meeting the installation of the opening and closing mechanism and the brake code of the next procedure at one time by 100 percent, greatly improving the production efficiency and shortening the process period.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is an isometric view of a motor train unit cab front mount assembly device of the present utility model;

FIG. 2 is a front view of a motor train unit cab front mount assembly device of the present utility model;

FIG. 3 is a top view of a motor train unit cab front mount assembly apparatus of the present disclosure;

FIG. 4 is a left side view of a motor train unit cab front mount assembly device of the present disclosure;

FIG. 5 is an enlarged view of a portion of the front end mount assembly of a motor train unit cab versus device scale position;

fig. 6 is a partial enlarged view of the front end mounting seat set of the cab of the motor train unit versus the positioning shaft position of the device.

Reference numerals illustrate:

1. a device body;

10. a positioning seat; 11. a positioning groove; 12. a connecting piece;

20. a support; 21. a positioning plate; 211. positioning a base surface; 22. positioning a shaft; 23. a column; 24. a reinforcing structure; 25. a bolt assembly;

30. a ruler;

40. the components are assembled.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1, 2;

the utility model discloses a motor train unit cab front end mounting seat pairing device, which comprises:

a device body 1 having a positioning seat 10;

positioning grooves 11 are circumferentially distributed on the positioning seat 10, and the positioning grooves 11 are detachably and fixedly connected with the parts 40 to be assembled through connecting pieces 12;

the structure of the device main body 1 is in an inverted convex structure, and is used for adapting to the front end structure of a cab, the bottom end of the device main body 1 is provided with a reference part, so that the reference part coincides with a coupler seat mounting hole in a reference mode, and the positioning seat 10 is far away from the reference part and can be placed at a theoretical assembly position of the components 40 to be assembled, so that the components 40 to be assembled are assembled and welded on an end wall.

Specifically, the parts 40 to be assembled related in the structure are mounting seats of a front end opening and closing structure or a brake code of a cab in the prior art, and the device main body 1 of the assembly device can bear all the parts 40 to be assembled, so that uniform installation is realized, and dimensional correlation among a plurality of mounting seats is ensured;

the top end of the device main body 1 is provided with a positioning seat 10, a positioning groove 11 is arranged at the peripheral outer edge of the positioning seat 10, a connecting piece 12 is arranged in the positioning groove 11, the connecting piece 12 is a T-shaped bolt component in the prior art, the positioning seat 10 and a component 40 to be assembled can be detachably and fixedly connected through the connecting piece 12, and the position of the component 40 to be assembled is convenient to finely adjust;

the structure of the device main body 1 is in an inverted convex structure, the structure is matched with the front end structure of a cab through the convex structure, the bottom end of the device main body 1 forms a reference part, the reference part coincides with the reference of a coupler seat mounting hole through the reference part, the height reference is met, meanwhile, the positioning seat 10 is far away from the reference part, the condition that the end face of a vertical beam at the front end of a chassis is taken as the reference, and the length reference is met is realized, so that all components 40 to be assembled, which are borne on the positioning seat 10, are placed on a plumb plane of a theoretical assembly position to finish the positioning in the height and length directions, the positions of the components 40 to be assembled are finely adjusted on the plumb plane to finish the positioning in the width direction, and the position accuracy of the components 40 to be assembled and welded on an end wall is further ensured;

when the device main body 1 is assembled with the coupler seat, the device main body 1 can be borne by an external equipment lifting trolley or lifting equipment, so that the reference part is positioned at the height of the coupler seat, and the assembly is convenient;

see fig. 2, 3;

preferably, the positioning base surface 211 of the reference part, which is attached to the coupler yoke, is spaced from the projection of the positioning yoke 10 on the horizontal plane. Specifically, the reference part and the positioning seat 10 are not in the same plane in the three-dimensional space, so that the positioning requirements of the height and the length of the component 40 to be assembled in the three-dimensional space are met;

see fig. 3, 6;

preferably, the positioning shaft 22 is matched with the coupler seat mounting hole in number and fixedly connected with the reference part, and the positioning shaft 22 is in interference fit with the coupler seat mounting hole.

Specifically, the four positioning shafts 22 are in interference fit with the coupler seat mounting holes without gaps, so that radial gaps of the positioning shafts 22 are eliminated, the reference part is overlapped with the coupler seat mounting hole base in height, and the reference is ensured to be completely accurate;

see fig. 1, 2;

preferably, the device main body 1 further comprises a support 20 fixedly connected to the lower portion of the positioning seat 10, one side of the support 20 is fixedly connected with a positioning plate 21, and the positioning plate 21 and the positioning shaft 22 form a reference portion.

Specifically, the device main body 1 reports positioning seat 10 and support 20, form protruding font structure through positioning seat 10 and support 20, support 20 is located positioning seat 10 lower part, wherein, support 20 and positioning seat 10 are the frame construction that the quadrilateral section encloses all through the cross-section, the section is the aluminium alloy among the prior art, be convenient for reduce the whole weight of the device, four lateral walls of section all are formed with the constant head tank 11 of T type structure along length direction, cooperate with connecting piece 12 through constant head tank 11, make things convenient for positioning seat 10 and wait to assemble the quick disassemble and the equipment of component 40, utilize constant head tank 11 also to be convenient for simultaneously accomplish the combination of positioning seat 10 and support 20 self structure and each other and group to each other.

When the device is assembled, firstly, the positioning seat 10 is quickly assembled on the support 20 according to the requirement of a vehicle drawing, then the to-be-assembled component 40 to be assembled is connected to the positioning groove 11 of the positioning seat 10 through the connecting piece 12, taking a lifting trolley as an example, the device main body 1 is placed on the lifting trolley, the height of the lifting trolley is adjusted, the positioning shaft 22 of the device main body 1 and a coupler seat mounting hole are positioned at the same height, the positioning shaft 22 is assembled in the vehicle body coupler seat mounting hole, and the device main body is fixed at the front end of a cab, so that the to-be-assembled component 40 can be accurately assembled;

see fig. 1;

preferably, an upright 23 extending upward is formed on one side of the support 20, and is fixedly connected with the positioning seat 10 through the upright 23. In the structure, the support 20 is fixedly connected with the positioning seat 10 through the upright post 23, so that the height of the positioning seat 10 can be adjusted, different vehicle types can be adapted, the device can be used by different vehicle types, and the universality of the device is improved;

in order to ensure the overall structural strength of the device, the support 20 preferably further comprises a reinforcing structure 24, and the upright 23 and the upper surface of the support 20 are connected with the reinforcing structure 24. The concrete non-strong structure comprises a reinforcing rib and a reinforcing plate, wherein the reinforcing rib is obliquely and fixedly connected between the upright post 23 and the upper surface of the support 20, and the reinforcing plate is connected at the connection position of the reinforcing rib and the upright post 23 and the support 20;

see fig. 6;

preferably, the positioning shaft 22 is a hollow shaft, and the positioning shaft 22 is provided with a bolt assembly 25 in a penetrating manner for fixedly connecting the device body 1 with the coupler seat.

Specifically, by setting the positioning shaft 22 as a hollow shaft, one end of the positioning shaft 22 is fixedly connected with the positioning plate 21, the bolt assembly 25 comprises a bolt, a nut and a gasket, and when in assembly, the bolt sequentially penetrates through the positioning plate 21, the positioning shaft 22 and the coupler seat mounting hole and the gasket and is fixedly connected with the positioning plate through the nut, so that the connection reliability between the support 20 and the coupler seat is ensured, and the positioning accuracy of the device is further ensured;

see fig. 2, 5;

preferably, the scale 30 is provided with graduations, the scale 30 is arranged on the side wall of the positioning seat 10, specifically, the scales 30 are fixedly connected with the transverse beam and the longitudinal beam of the positioning seat 10, and the displacement dimension of the component 40 to be assembled along the vertical axis or the horizontal axis is marked by the scales 30.

The utility model relates to a motor train unit cab front end mounting seat assembly method, which is based on the motor train unit cab front end mounting seat assembly device;

the method comprises the following steps:

step 1: the component 40 to be assembled is fixedly connected with the positioning groove 11 through the connecting piece 12, so that the component 40 to be assembled is assembled on the device main body 1;

step 2: the device main body 1 is in reference overlapping and fixed connection with the coupler seat mounting hole through the reference part, so that the component 40 to be assembled is switched to the front end of the cab;

step 3: based on the step 2, the positions of the components 40 to be assembled are finely adjusted along the positioning grooves 11, so that the positioning of the components 40 to be assembled in three directions of height, length and width is completed, the components 40 to be assembled are directly welded on the front end wall of the cab in a spot-welding manner, the connecting piece 12 is disassembled, and the accurate assembly of the components 40 to be assembled is completed.

The device has the advantages that compared with the traditional manual assembling method of the cab opening and closing mechanism or the brake code mounting seat, the device can conveniently and rapidly realize the assembling of the mounting seats with complex, multi-dimensional and high-precision requirements, meanwhile, the device can meet the use requirements of different vehicle types through the adjustable positioning seat and the support, and secondly, the positioning seat can conveniently adjust the sizes of the center and the end face of the parts to be assembled from the reference surface by utilizing the scale, thereby realizing the rapid positioning of the parts to be assembled from multiple groups of different vehicle types and different sizes, meeting the installation of the opening and closing mechanism and the brake code of the next procedure at one time, greatly improving the production efficiency and reducing the process period.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (9)

1. The utility model provides a EMUs cab front end mount pad pairing device which characterized in that includes:

a device body (1) having a positioning seat (10);

positioning grooves (11) are circumferentially distributed in the positioning seat (10), and the positioning grooves (11) are detachably and fixedly connected with the parts (40) to be assembled through connecting pieces (12);

the structure of the device main body (1) is in an inverted convex structure and is used for adapting to the front end structure of a cab, a reference part is arranged at the bottom end of the device main body (1), so that the reference part coincides with a coupler seat mounting hole reference, and the positioning seat (10) is far away from the reference part and can be placed at a theoretical assembly position of the components (40) to be assembled, so that the components (40) to be assembled are assembled and welded on an end wall.

2. The motor train unit cab front end mount pairing device according to claim 1, wherein;

the positioning base surface (211) of the reference part, which is attached to the coupler seat, and the projection of the positioning seat (10) on the horizontal plane are arranged at intervals.

3. The motor train unit cab front end mount pairing device according to claim 1, wherein;

and the positioning shaft (22) is matched with the number of the coupler seat mounting holes and fixedly connected with the reference part, and the positioning shaft (22) is in interference fit with the coupler seat mounting holes.

4. A motor train unit cab front end mount pairing device according to claim 3, wherein;

the device body (1) further comprises a support (20) fixedly connected to the lower portion of the positioning seat (10), a positioning plate (21) is fixedly connected to one side of the support (20), and the positioning plate (21) and the positioning shaft (22) form the reference portion.

5. The motor train unit cab front end mount pairing device according to claim 4, wherein;

the support (20) and the positioning seat (10) are of a frame structure surrounded by quadrangular sectional materials in section, and the side wall of each sectional material is provided with a positioning groove (11) along the length direction.

6. The motor train unit cab front end mount pairing device according to claim 4, wherein;

an upright post (23) extending upwards is formed on one side of the support (20), and the upright post (23) is fixedly connected with the positioning seat (10).

7. The motor train unit cab front end mount pairing device according to claim 6, wherein;

the support (20) further comprises a reinforcing structure (24), and the upright post (23) and the upper surface of the support (20) are connected with the reinforcing structure (24).

8. A motor train unit cab front end mount pairing device according to claim 3, wherein;

the positioning shaft (22) is a hollow shaft, and the positioning shaft (22) is provided with a bolt assembly (25) in a penetrating way and is used for fixedly connecting the device main body (1) with the coupler seat.

9. The motor train unit cab front end mount pairing device according to claim 1, wherein;

the scale (30) is provided with graduations, the side wall of the positioning seat (10) is provided with the scale (30) and is used for marking the displacement dimension of the component (40) to be assembled along the vertical axis or the horizontal axis.