CN216070271U

CN216070271U - Passenger train numerical control always pieces together frock

Info

Publication number: CN216070271U
Application number: CN202122229166.9U
Authority: CN
Inventors: 郭栋; 徐修宇; 张索超; 胡鹏飞; 张德平; 吴正彬
Original assignee: King Long United Automotive Industry Suzhou Co Ltd
Current assignee: King Long United Automotive Industry Suzhou Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-18
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a numerical control general assembly tool for a passenger car, which comprises a base; the bottom of the main body frame is provided with a translation mechanism for driving the main body frame to move along the Y-axis direction; the skirt synchronous positioning mechanism is movably arranged at the lower end of the main body frame along the Y-axis direction; the plurality of side wall synchronous lifting mechanisms are arranged on the main body frame at intervals along the X-axis direction and are arranged above the skirt edge synchronous positioning mechanism, and any side wall synchronous lifting mechanism can lift and slide along the Z-axis direction; the lower ends of the side wall synchronous lifting mechanisms are provided with waist rail synchronous positioning mechanisms; the upper end of any side wall synchronous lifting mechanism is provided with a window upright post synchronous positioning mechanism; and a side wall clamping mechanism is further arranged on any one side wall synchronous lifting mechanism and between two adjacent side wall synchronous lifting mechanisms, and the distance between any two adjacent side wall clamping mechanisms in the X-axis direction is adjustable. The servo motors are reduced in number, the cost is low, the control system is simple in structure and high in precision, and the requirement for lifting the whole vehicle body is met.

Description

Passenger train numerical control always pieces together frock

Technical Field

The utility model relates to a passenger car assembly production line, in particular to a passenger car numerical control general assembly tool.

Background

The tool is always pieced together in current passenger train numerical control adopts the mechanical structure of multiunit stand column independent control side wall pitch arc more, does not have mechanical connection between the positioning mechanism of each stand column, adopts the control mode of the most quantity of motor of miniwatt in the control, and this kind of structure has following problem:

firstly, the number of servo motors is excessive, the structure of a control system is complex, the cost is high, and the failure rate is high;

secondly, the mechanical structure is not connected, and each motor can not run synchronously, and the tool can not meet some use conditions, for example, when the vehicle body is required to be lifted integrally, a pit needs to be dug in the tool, and a lifting mechanism is additionally installed.

The automobile body always splices higher precision requirement, and the trade is all upgraded to numerical control frock basically, and under the prerequisite that satisfies the precision requirement, reduce cost also is a main consideration, and can not satisfy excavation pit, use the condition of driving hoist whole car automobile body to some production lines, use the frock that satisfies whole car automobile body and lift the requirement and particularly need.

SUMMERY OF THE UTILITY MODEL

In view of at least one of the above-mentioned technical problems, the present invention is directed to: the utility model provides a frock is always pieced together to passenger train numerical control, every synchronous positioning mechanism all is equipped with a servo motor, and servo motor quantity reduces, and is with low costs, and control system structure is comparatively simple, has higher precision, satisfies whole car automobile body and lifts the requirement.

The technical scheme of the utility model is as follows:

the utility model provides a numerical control general assembly tool for a passenger car, which comprises:

a base;

the bottom of the main body frame is provided with a translation mechanism, and the translation mechanism is used for driving the main body frame to move relative to the base along the Y-axis direction;

the skirt synchronous positioning mechanism is movably arranged at the lower end of the main body frame along the Y-axis direction;

the side wall synchronous lifting mechanism is arranged on the main body frame and above the skirt edge synchronous positioning mechanism, and can lift and slide along the Z-axis direction;

the lower end of the side wall synchronous lifting mechanism is provided with a waist rail synchronous positioning mechanism;

the upper end of the side wall synchronous lifting mechanism is provided with a plurality of window upright post synchronous positioning mechanisms;

the side wall synchronous lifting mechanism is further provided with a side wall clamping mechanism, the side wall clamping mechanism is arranged between the waist rail synchronous positioning mechanism and the window stand column synchronous positioning mechanism, and the distance between any two adjacent side wall clamping mechanisms in the X-axis direction is adjustable.

Optionally, the translation mechanism comprises:

the first linear mechanism comprises a first linear guide rail arranged on the base and extending along the Y-axis direction, a first sliding block arranged on the first linear guide rail in a sliding mode and/or a roller arranged on the first linear guide rail in a rolling mode, and the main body frame is fixed on the first sliding block and/or the roller;

and the translation driving part is arranged on the ground or the base, and the driving end of the translation driving part is connected with the main body frame to drive the first sliding block to slide along the first linear guide rail.

Optionally, the synchronous elevating system of side wall includes:

the waist beam synchronous positioning mechanism, the window stand column synchronous positioning mechanisms and the side wall clamping mechanism are arranged on the lifting frame;

a plurality of lead screw elevating system, arbitrary lead screw elevating system includes that lead screw, activity cover establish nut seat on the lead screw and connection are in the lift drive part of one of lead screw, the lead screw extends along the Z axle direction, nut seat with correspond crane fixed connection.

Optionally, a second linear guide rail extending along the X-axis direction is arranged on the lifting frame, and the side wall clamping mechanism is slidably arranged on the second linear guide rail through a second sliding block.

Optionally, the side wall clamping mechanism includes:

the fixed clamping seat is fixedly arranged on the second sliding block;

the clamping driving part is arranged at the top end of the fixed clamping seat;

the movable chuck is rotationally connected to the driving end of the clamping driving part through a rotating shaft;

the clamping driving part drives the movable chuck to rotate up and down around the rotating shaft to do clamping movement close to the fixed clamp seat or loosening movement far away from the fixed clamp seat.

Optionally, the clamping driving part is an air cylinder.

Optionally, the waist rail synchronous positioning mechanism includes:

the first driving part is arranged on the lifting frame;

the first positioning plate mechanism comprises a first fixing seat connected with the driving end of the first driving part, a third linear guide rail fixedly mounted on the first fixing seat and a plurality of third sliding blocks connected to the third linear guide rail in a sliding mode, the third linear guide rail extends along the X-axis direction, and a first positioning structure used for positioning the waist beam is correspondingly arranged on each third sliding block.

Optionally, the window column synchronous positioning mechanism includes:

the second driving part is arranged on the lifting frame;

the second positioning plate mechanism comprises a second fixed seat connected with the driving end of the second driving part, a fourth linear guide rail fixedly mounted on the second fixed seat and a plurality of fourth sliding blocks connected on the fourth linear guide rail in a sliding mode, the fourth linear guide rail extends along the X-axis direction, and second positioning structures used for positioning the window stand columns are correspondingly arranged on the fourth sliding blocks.

Optionally, the lifting driving part is a servo motor, and the tool further comprises a control system, wherein the control system is used for controlling the synchronization of the servo motors.

Optionally, the skirt synchronous positioning mechanism includes:

a third driving part installed at a bottom end of the main body frame;

the third positioning plate mechanism comprises a third fixed seat connected with the driving end of the third driving part, a fifth linear guide rail fixedly installed on the third fixed seat and a plurality of fifth sliding blocks connected to the fifth linear guide rail in a sliding mode, the fifth linear guide rail extends along the X-axis direction, and third positioning structures used for positioning the skirt edges are correspondingly arranged on the fifth sliding blocks.

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

according to the numerical control general assembly tool for the passenger car, the waist rail synchronous positioning mechanism, the window upright post synchronous positioning mechanism and the side wall clamping mechanism are arranged on the lifting frame to form the side wall synchronous lifting mechanism, and the lifting driving parts of the three lifting mechanisms are controlled by the control system to realize synchronous lifting. Each synchronous positioning mechanism is only provided with one servo motor, the number of the servo motors is reduced, the cost is low, the control system is simple in structure and high in precision, and the lifting requirement of the whole vehicle body is met.

Drawings

The utility model is further described with reference to the following figures and examples:

FIG. 1 is a schematic structural view of a numerical control assembly tool of a passenger car according to an embodiment of the utility model;

FIG. 2 is a schematic rear view structural diagram of a numerical control assembly fixture for a passenger car according to an embodiment of the present invention (a main body frame is omitted);

FIG. 3 is a schematic structural diagram of a side wall clamping mechanism of the numerical control assembly fixture of the passenger car according to the embodiment of the utility model in a clamping state;

FIG. 4 is a schematic structural diagram of a lifting screw rod mechanism of the numerical control general assembly fixture for the passenger car in the embodiment of the utility model;

FIG. 5 is a schematic structural view of a translation mechanism of a numerical control assembly fixture of a passenger car according to an embodiment of the utility model;

FIG. 6 is a control principle structure diagram of a master control system of a passenger car numerical control master assembling tool according to an embodiment of the present invention;

fig. 7 is a control principle structure diagram of a servo motion control system of a passenger car numerical control total assembling tool according to an embodiment of the utility model.

Wherein: 1. a base; 2. a main body frame; 3. a translation mechanism; 31. a first linear guide rail; 32. a first slider; 33. a first driving member; 34. a second driving member; 35. a roller; 36. a connecting seat; 37. a first guide bar; 38. fixing a guide seat; 4. a synchronous skirt positioning mechanism; 41. a third fixed seat; 42. a fifth linear guide rail; 43. a third positioning structure; 44. a third drive member; 45. a fourth guide bar; 5. a side wall synchronous lifting mechanism; 50. a lifting frame; 51. a side wall clamping mechanism; 511. fixing the clamp seat; 512. a clamping drive member; 513. a movable chuck; 514. a rotating shaft; 52. a screw rod lifting mechanism; 521. a screw rod; 522. a nut seat; 523. a lifting drive member; 524. a motor base; 53. a second linear guide; 6. a waist rail synchronous positioning mechanism; 61. a first fixed seat; 62. a third linear guide rail; 63. a first positioning structure; 64. a first drive member; 65. a second guide bar; 7. a window upright column synchronous positioning mechanism; 71. a second fixed seat; 72. a fourth linear guide; 73. a second positioning structure; 74. a second drive member; 75. and a third guide bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example (b):

the numerical control assembly tool for the passenger car in the embodiment is shown in fig. 1 to 7, and comprises a base 1, a main body frame 2, a translation mechanism 3, a skirt synchronous positioning mechanism 4, a side wall synchronous lifting mechanism 5, a side wall clamping mechanism 51, a waist rail synchronous positioning mechanism 6 and a window upright synchronous positioning mechanism 7.

For convenience of description, the X-axis direction is defined as a left-right direction as shown in fig. 1, the Y-axis direction is defined as a front-rear direction as shown in fig. 1, and the Z-axis direction is defined as an up-down direction as shown in fig. 1.

As shown in fig. 1 and 5, the base 1 is a plurality of square bottom plates spaced on the ground. In this embodiment, the number of the bases 1 is four, and the four bases 1 are fixed on the ground at regular intervals.

As shown in fig. 1, the main body frame 2 is a frame body having a column structure, the left and right sides of the main body frame 2 are provided with ladders, and the middle of the main body frame 2 is provided with a corridor communicating the ladders.

The translation mechanism 3 is provided at the bottom of the main body frame 2 and the top of the base 1, and the translation mechanism 3 is used to drive the main body frame 2 to move relative to the base 1 in the Y-axis direction, i.e., the front-rear direction as shown in fig. 1. Specifically, as shown in fig. 1 and 5, the translation mechanism 3 includes a first linear mechanism and a translation drive member. The first linear mechanism includes a first linear guide 31 provided on the base 1 to extend in the Y-axis direction. In this embodiment, two first sliding blocks 32 are respectively disposed on the first linear guide rails 31 on the two bases 1 at the left and right ends as shown in fig. 1, and the top of the first sliding block 32 is fixedly connected to the bottom of the main body frame 2. And a plurality of rollers 35 are respectively arranged on the first linear guide rails 31 on the two bases 1 in the middle in a rolling manner, and the rollers 35 are directly fixedly arranged at the bottom of the main body frame 2. As an alternative embodiment, the first sliding blocks 32 may be disposed on all the first linear guides 31 or the rollers 35 may be disposed on all the first linear guides 31.

Specifically, the translational driving part comprises a first driving part 33 and a second driving part 34, the first driving part 33 is installed on the ground or the base 1, and the driving end of the first driving part 33 is connected with the main body frame 2. As shown in fig. 5, the first driving member 33 is a servo motor, and is installed on the base 1 at the left and right ends, the top of the connecting seat 36 is connected to the bottom of the main body frame 2, the front end of the connecting seat 36 is connected to a first guiding rod 37, and the first guiding rod 37 is a screw rod and is inserted into a guiding seat fixed on the base 1, so that the translation of the main body frame 2 can be limited. One end, i.e., a fixed end, of the second driving member 34 is fixed to the ground or the base 1, and the other end, i.e., a movable end, is connected to the main body frame 2. The second driving member 34 is a hydraulic cylinder, and the connecting seat 36 is driven by the second driving member 34 to drive the main body frame 2 and the first sliding block 32 and/or the roller 35 to move horizontally along the first linear guide 31 along the Y-axis direction.

The skirt synchronous positioning mechanism 4 is provided at the lower end of the main body frame 2 movably in the Y-axis direction. Specifically, as shown in fig. 1 and 2, the skirt synchronous positioning mechanism 4 includes a third driving part 44 and a third positioning plate mechanism. The third driving part 44 is installed at the bottom end of the main body frame 2. The third positioning plate mechanism comprises a third fixed seat 41 connected with the driving end of a third driving part 44, a fifth linear guide rail 42 fixedly mounted on the third fixed seat 41, and a plurality of fifth sliders slidably connected to the fifth linear guide rail 42, the fifth linear guide rail 42 extends along the X-axis direction, third positioning structures 43 for positioning the skirt edges are correspondingly arranged on the fifth sliders, that is, each fifth slider is provided with a third positioning structure 43. The plurality of third positioning structures 43 are arranged on the third fixing seat 41, so that synchronous positioning of the plurality of third positioning structures 43 can be realized, and the problems that the number of motors is too large, the structure is too complex, a control system is complex and the failure rate is high due to the fact that a plurality of third driving parts 44 are arranged, namely, servo motors are arranged are avoided. The third driving part 44 is an existing conventional servo motor, a driving end of the third driving part is fixedly connected with the third fixing seat 41, the third fixing seat 41 is a rectangular plate extending along the X-axis direction, a fourth guide rod 45 extending along the Y-axis direction is respectively arranged at the left end and the right end of the third fixing seat, and the fourth guide rod 45 is inserted into the bottom frame body of the main body frame 2. That is, when the skirt needs to be positioned, the third driving part 44 is only required to drive the whole third fixing seat 41 to move forward along the Y-axis direction, so that the third positioning structure 43 on the fifth slider abuts against the skirt to be positioned. The third positioning structure 43 in this embodiment is a conventional positioning member of a T-shaped structure for a lying arrangement of skirt positioning, and the specific structure will not be described and limited in detail. The purpose of setting up fifth linear slideway and fifth slider lies in being convenient for adjust according to the length of skirt border X axle direction.

The side wall synchronous lifting mechanism 5 is arranged on the main body frame 2 and above the skirt synchronous positioning mechanism 4, and the side wall synchronous lifting mechanism 5 can lift and slide along the Z-axis direction, namely the up-down direction shown in fig. 1. The waist beam synchronous positioning mechanism 6 is arranged at the lower end of the side wall synchronous lifting mechanism 5. The number of the window upright post synchronous positioning mechanisms 7 is three, and the window upright post synchronous positioning mechanisms are arranged at the upper end of the side wall synchronous lifting mechanism 5 at intervals along the X direction. It should be noted that the number of the window pillar synchronous positioning mechanisms 7 in this embodiment may be other, and is not particularly limited, and the design may be selected according to the number of the window pillars on the passenger car.

The side wall synchronous lifting mechanism 5 is also provided with a plurality of side wall clamping mechanisms 51, the side wall clamping mechanisms 51 are arranged between the waist rail synchronous positioning mechanism 6 and the window upright post synchronous positioning mechanism 7 at intervals along the X-axis direction, and the distance between any two adjacent side wall clamping mechanisms 51 in the X-axis direction is adjustable. In this embodiment, the number of the side gusset clamping mechanisms 51 is five, but may be other numbers, and is not particularly limited.

Specifically, as shown in fig. 1, the side wall synchronous lifting mechanism 5 comprises a lifting frame 50, a waist rail synchronous positioning mechanism 6 is arranged at the bottom of the lifting frame 50, a window upright post synchronous positioning mechanism 7 is arranged at the top of the lifting frame 50, and a side wall clamping mechanism 51 is arranged in the middle of the lifting frame 50. The lifting frame 50 is provided with three screw rod lifting mechanisms 52. Any screw rod lifting mechanism 52 comprises a screw rod 521, a screw nut seat 522 movably sleeved on the screw rod 521 and a lifting driving part 523 connected to one end of the screw rod 521, namely the top end shown in fig. 1 and 4, wherein the screw rod 521 extends along the Z-axis direction, and the screw nut seat 522 is fixedly connected with the corresponding lifting frame 50. In this embodiment, the lifting driving part 523 is a servo motor, and further includes a master control system and a servo motion controller for realizing synchronous lifting of the three servo motors, and the synchronous lifting of the three servo motors is realized through the control of the servo motion controller. Specifically, as shown in fig. 6 and 7, the general control system includes an operation console, a main control cabinet, and a hydraulic station control (including two hydraulic telescopic rods, one for each of the left and right sides, for controlling the bottom of the main frame 2). The operation panel comprises a touch screen control end and a remote I/O module (data acquisition/transmission module), and the main control cabinet comprises a Siemens PLC control system, an Anduan servo system, a pneumatic clamping system and a laser distance measurement system. The communication between the Siemens system and the Anchuan servo is controlled, Mechatolin-III bus communication is used in the Anchuan servo, and Profinet bus communication is used between the Anchuan servo and the Siemens control system, so that the control system is low in structural cost and reliable in communication. Through the overall control of the Anchuan motion controller, the synchronous operation of the servo motors in the group can be realized, and meanwhile, the servo data are transmitted to the PLC to be displayed at the control end of the touch screen. The control system can realize the displacement monitoring of each positioning point and the real-time monitoring of data such as the torque of each motor, and provides great convenience for data monitoring, storage, system debugging and maintenance.

In order to facilitate the adjustment of the distance between the side wall clamping mechanisms 51, second linear guide rails 53 extending along the X-axis direction are arranged on the lifting frames 50 and between two adjacent lifting frames 50, and all the second linear guide rails 53 are collinear. The side gusset clamping mechanism 51 is slidably disposed on the second linear guide 53 by a second slider (not shown).

The side wall clamping mechanism 51 of the present embodiment is a pneumatic clamping mechanism. Specifically, as shown in fig. 3, the side body clamping mechanism 51 includes a fixed clamp holder 511, a clamping driving member 512 and a movable clamp 513. The fixed clamp holder 511 is fixedly installed on the second slider, and a backward clamp opening is opened at the upper part of the front end of the fixed clamp holder 511. The clamping driving member 512 is installed at the rear of the top end of the fixed clamping seat 511, and the clamping driving member 512 is a cylinder in this embodiment. The movable jaw 513 is rotatably coupled to a drive end, i.e., a front end as shown in fig. 3, of the clamp driving part 512 by a rotating shaft 514. The clamping driving part 512 drives the movable clamping head 513 to rotate up and down around the rotating shaft 514 to perform a clamping movement close to the fixed clamping seat 511 or a loosening movement away from the fixed clamping seat 511. Specifically, the movable clamp 513 may be driven by a cylinder to move into and out of the clamp opening about the pivot 514 to achieve clamping or unclamping.

As shown in fig. 1 and 2, the wale synchronous positioning mechanism 6 includes a first driving part 64 and a first positioning plate mechanism. The first driving part 64 is mounted on the crane. In this embodiment, the first driving member 64 is a servo motor. The first positioning plate mechanism comprises a first fixed seat 61 connected with the driving end of a first driving part 64, a third linear guide rail 62 fixedly mounted on the first fixed seat 61 and a plurality of third sliding blocks connected to the third linear guide rail 62 in a sliding manner, the third linear guide rail 62 extends along the X-axis direction, first positioning structures 63 used for positioning the waist rail are correspondingly arranged on the third sliding blocks, namely, each third sliding block is provided with one first positioning structure 63. Set up a plurality of first location structure 63 on a first fixing base 61, can realize a plurality of first location structure 63 synchronous positioning, avoid setting up a plurality of first drive parts 64 and also servo motor causes motor quantity too much, and the structure is too complicated and control system is complicated, problem that the fault rate is high. Specifically, first fixing base 61 is the rectangle plate that extends along the X axle direction, and the both ends of first fixing base 61 are equipped with the second guide bar 65 that extends along the Y axle direction respectively, and second guide bar 65 alternates at the bottom of crane. That is to say, when the waist rail needs to be positioned, only the first driving part 64 needs to drive the first fixing seat 61 to move forward along the Y-axis direction, so that the first positioning structure 63 abuts against the waist rail to position the waist rail. The first positioning structure 63 in this embodiment is a conventional flat plate-shaped positioning member for positioning a wale, and the specific structure thereof is not described and limited in detail herein, and is not the inventive point of the present invention. The third linear guide 62 and the third blocks are provided to be adaptively adjusted according to the specific position of the wale.

As shown in fig. 1 and 2, the window column synchronization positioning mechanism 7 includes a second driving member 74 and a second positioning plate mechanism. The second driving part 74 is installed at the elevation frame. The second positioning plate mechanism comprises a second fixed seat 71 connected with the driving end of a second driving part 74, a fourth linear guide rail 72 fixedly mounted on the second fixed seat 71, and a plurality of fourth sliders slidably connected to the fourth linear guide rail 72, wherein the fourth linear guide rail 72 extends along the X-axis direction, the fourth sliders are correspondingly provided with second positioning structures 73 for positioning the window upright, that is, each fourth slider is provided with a second positioning structure 73. The plurality of second positioning structures 73 are arranged on the second fixing seat 71, so that synchronous positioning of the plurality of second positioning structures 73 can be realized, and the problems that the number of motors is too large, the structure is too complex, a control system is complex and the failure rate is high due to the fact that a plurality of second driving parts 74 are arranged, namely, servo motors are arranged are avoided. Specifically, the second fixing seat 71 is a rectangular plate extending along the X-axis direction, the two ends of the second fixing seat 71 are respectively provided with a third guide rod 75 extending along the Y-axis direction, and the third guide rod 75 is inserted at the top end of the corresponding lifting frame. That is to say, when the window column needs to be positioned, only the second driving part 74 needs to drive the second fixing seat 71 to move forward along the Y-axis direction, so that the second positioning structure 73 abuts against the waist rail to position the waist rail. The second positioning structure 73 in this embodiment is a conventional positioning member for positioning a window pillar, which is provided with a T-shaped structure of a bracing reinforcement structure, and the specific structure thereof is not described and limited in detail herein, and is not the inventive point of the present invention. The fourth linear guide 72 and the fourth blocks are provided for adaptation according to the specific position of the window column.

It should be noted that the frock is always pieced together in numerical control of this embodiment, still is equipped with laser rangefinder (not shown in the figure) for measure the distance of frock apart from the passenger train when the location, prevent that the frock from leading to the fact the damage to the passenger train when being close to the passenger train and fixing a position. For the setting position of the laser distance measuring device, for example, the laser distance measuring device may be set on the main body frame 2 or on the fixing base of the corresponding positioning mechanism or on the lifting frame 50. The preferred laser rangefinder in this embodiment is installed on lift frame 5, the width numerical value of measurable quantity waist rail position, and the communication is RS485, has an LED display screen, can show motorcycle type, waist rail width data, shows in real time.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a frock is always pieced together in passenger train numerical control which characterized in that includes:

a base (1);

the bottom of the main body frame (2) is provided with a translation mechanism (3), and the translation mechanism (3) is used for driving the main body frame (2) to move relative to the base (1) along the Y-axis direction;

the skirt synchronous positioning mechanism (4) is movably arranged at the lower end of the main body frame (2) along the Y-axis direction;

the side wall synchronous lifting mechanism (5) is arranged on the main body frame (2) and above the skirt edge synchronous positioning mechanism (4), and the side wall synchronous lifting mechanism (5) can lift and slide along the Z-axis direction;

the lower end of the side wall synchronous lifting mechanism (5) is provided with a waist rail synchronous positioning mechanism (6);

the upper end of the side wall synchronous lifting mechanism (5) is provided with a plurality of window upright post synchronous positioning mechanisms (7);

still be equipped with a plurality of side wall clamping mechanism (51) on the synchronous elevating system of side wall (5), side wall clamping mechanism (51) are located waist rail synchronous positioning mechanism (6) with between window stand synchronous positioning mechanism (7), arbitrary adjacent two the interval of the X axle direction of side wall clamping mechanism (51) is adjustable.

2. A passenger car numerical control total assembly fixture according to claim 1, characterized in that the translation mechanism (3) comprises:

the first linear mechanism comprises a first linear guide rail (31) which is arranged on the base (1) and extends along the Y-axis direction, a first sliding block (32) which is arranged on the first linear guide rail (31) in a sliding mode and/or a roller (35) which is arranged on the first linear guide rail (31) in a rolling mode, and the main body frame (2) is fixed on the first sliding block (32) and/or the roller (35);

the translation driving part is arranged on the ground or the base (1), the driving end of the translation driving part is connected with the main body frame (2), and the main body frame (2) is driven to drive the first sliding block (32) to slide along the first linear guide rail (31).

3. The assembly fixture is always pieced together in passenger train numerical control of claim 1, characterized in that, synchronous elevating system of side wall (5) includes:

the lifting frame (50) is provided with the waist rail synchronous positioning mechanism (6), a plurality of window upright post synchronous positioning mechanisms (7) and a side wall clamping mechanism (51);

the screw rod lifting mechanism comprises a plurality of screw rod lifting mechanisms (52), wherein any screw rod lifting mechanism (52) comprises a screw rod (521), a screw nut seat (522) movably sleeved on the screw rod (521) and a lifting driving part (523) connected to one end of the screw rod (521), the screw rod (521) extends along the Z-axis direction, and the screw nut seat (522) is fixedly connected with the corresponding lifting frame (50).

4. The numerical control assembly fixture for the passenger car according to claim 3, wherein a second linear guide rail (53) extending in the X-axis direction is arranged on the lifting frame (50), and the side wall clamping mechanism (51) is slidably arranged on the second linear guide rail (53) through a second sliding block.

5. The assembly fixture is always pieced together in passenger train numerical control of claim 4, characterized in that, side wall clamping mechanism (51) includes:

the fixed clamping seat (511) is fixedly arranged on the second sliding block;

a clamp driving member (512) mounted on the top end of the fixed clamp holder (511);

the movable chuck (513) is rotatably connected to the driving end of the clamping driving part (512) through a rotating shaft (514);

the clamping driving part (512) drives the movable clamping head (513) to rotate up and down around the rotating shaft (514) to perform clamping movement close to the fixed clamping seat (511) or loosening movement far away from the fixed clamping seat (511).

6. The passenger car numerical control assembly tool according to claim 5, wherein the clamping driving part (512) is an air cylinder.

7. The assembly fixture is always pieced together in passenger train numerical control of claim 3, characterized in that, waist rail synchronous positioning mechanism (6) includes:

a first driving part (64) installed on the lifting frame;

the first positioning plate mechanism comprises a first fixed seat (61) connected with the driving end of the first driving part (64), a third linear guide rail (62) fixedly installed on the first fixed seat (61) and a plurality of third sliding blocks connected to the third linear guide rail (62) in a sliding mode, the third linear guide rail (62) extends in the X-axis direction, and first positioning structures (63) used for positioning the waist beam are correspondingly arranged on the third sliding blocks.

8. A passenger car numerical control assembly tool according to claim 3, wherein the window column synchronous positioning mechanism (7) comprises:

a second driving part (74) installed on the lifting frame;

the second positioning plate mechanism comprises a second fixed seat (71) connected with the driving end of the second driving part (74), a fourth linear guide rail (72) fixedly installed on the second fixed seat (71) and a plurality of fourth sliding blocks connected to the fourth linear guide rail (72) in a sliding mode, the fourth linear guide rail (72) extends in the X-axis direction, and second positioning structures (73) used for positioning the window stand columns are correspondingly arranged on the fourth sliding blocks.

9. The assembly tool of claim 3, wherein the lifting driving component (523) is a servo motor, and the assembly tool further comprises a control system, wherein the control system is used for controlling a plurality of servo motors to be synchronous.

10. The assembly fixture is always pieced together in passenger train numerical control of claim 1, characterized in that, synchronous positioning mechanism of shirt rim (4) includes:

a third driving part (44) installed at a bottom end of the main body frame (2);

the third positioning plate mechanism comprises a third fixed seat (41) connected with the driving end of the third driving part (44), a fifth linear guide rail (42) fixedly installed on the third fixed seat (41) and a plurality of fifth sliding blocks connected to the fifth linear guide rail (42) in a sliding mode, the fifth linear guide rail (42) extends in the X-axis direction, and third positioning structures (43) used for positioning the skirt edges are correspondingly arranged on the fifth sliding blocks.