CN215699598U

CN215699598U - Center sill deflection modulation tool

Info

Publication number: CN215699598U
Application number: CN202122076724.2U
Authority: CN
Inventors: 陈学良; 涂智文; 孙俊; 陈俊勇; 龚加法; 胡承永
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a centre sill deflection modulation tool, which comprises: hold-down mechanism, adjustment mechanism, assembly platform and two climbing mechanisms, hold-down mechanism is including compressing tightly support, rotatory stand, compressing tightly crossbeam, support post and compressing tightly hydro-cylinder, and the bottom of rotatory stand is rotated and is connected on compressing tightly the support, and the one end fixed connection who compresses tightly the crossbeam is in the top of rotatory stand, and compressing tightly the hydro-cylinder and installing on compressing tightly the crossbeam, and assembly platform installs on compressing tightly the support, and climbing mechanism and adjustment mechanism are fixed mounting on assembly platform within a definite time. The modulation tool provided by the utility model utilizes the pressing mechanism, the adjusting mechanism and the like to modulate the deflection of the center beam so as to avoid error accumulation after the accessory is assembled subsequently.

Description

Center sill deflection modulation tool

Technical Field

The utility model relates to the technical field of underframe manufacturing, in particular to a centre sill deflection modulation tool.

Background

The accessory assembly is always a technological difficulty and key point of vehicle body assembly, and because of various accessories and high difficulty in positioning and marking the space size during the accessory assembly, the accumulated errors of the accessory assembly process are difficult to eliminate, and the problems are difficult to completely eradicate in the large-batch production process.

Actual production experience shows that the accumulated errors are originally caused by the fact that the deflection of the center sill cannot be uniform, so that the uniform modulation of the deflection of the center sill is necessary.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the center sill deflection modulation tool which is simple in structure and flexible to use is provided.

The specific technical scheme is as follows:

a centre sill deflection modulation tool has the characteristics that: the device comprises a pressing mechanism, an adjusting mechanism, an assembling platform and two jacking mechanisms, wherein the pressing mechanism comprises a pressing support, a rotating stand column, a pressing cross beam, a supporting stand column and a pressing oil cylinder;

when the rotating upright post rotates and drives the pressing cross beam to rotate outwards by 90 degrees, the middle beam can be hoisted to be arranged on the adjusting mechanism and the jacking mechanism, when the rotating upright post rotates and drives the pressing cross beam to rotate inwards by 90 degrees, the other end of the pressing cross beam is clamped into the supporting upright post, the pressing oil cylinder presses downwards and pushes the middle beam against the adjusting mechanism, and the jacking oil cylinder in the jacking mechanism moves upwards and modulates the deflection of the middle beam.

Foretell well roof beam amount of deflection modulation frock still has such characteristic, and climbing mechanism includes jacking base, jacking cylinder, jacking piece, guide bar and uide bushing, and the jacking base is installed on equipment platform, and uide bushing and jacking cylinder are installed on the jacking base, and the bottom of guide bar is corresponding to wearing to locate in the uide bushing, and the top of guide bar is connected on the jacking piece, and the hydro-cylinder head of jacking cylinder passes the jacking base and connects on the jacking piece.

The middle beam deflection modulation tool is characterized in that the top of the jacking block is in a conical shape.

Foretell center sill amount of deflection modulation frock still has such characteristic, and adjustment mechanism includes: adjusting base, first backup pad, second backup pad, supporting shoe and anchorage bar, adjusting base installs on equipment platform, and first backup pad fixed mounting is on adjusting base, and the anchorage bar wears to locate on first backup pad, and the adjustable the installing on the anchorage bar of adjusting nut on through screwed connection the second backup pad on the anchorage bar, and supporting shoe fixed mounting is on the second backup pad.

The middle beam deflection modulation tool is further characterized in that a limiting groove is fixedly arranged at the top of the supporting upright post, and the other end of the compressing crossbeam is clamped into the limiting groove when the rotating upright post rotates and drives the compressing crossbeam to rotate inwards by 90 degrees.

The middle beam deflection modulation tool is further characterized in that the pressing mechanism further comprises a rotary oil cylinder, an oil cylinder base of the rotary oil cylinder is rotatably connected to the pressing base, and an oil cylinder head of the rotary oil cylinder is rotatably connected to the rotary upright post.

The beneficial effect of above-mentioned scheme is:

the modulation tool provided by the utility model utilizes the pressing mechanism, the adjusting mechanism and the like to modulate the deflection of the center beam so as to avoid error accumulation after the accessory is assembled subsequently.

Drawings

Fig. 1 is a schematic structural view of a pressing mechanism provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an adjustment mechanism provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a jacking structure provided in an embodiment of the present invention.

In the drawings: 1. pressing the support; 2. rotating the upright post; 3. compressing the beam; 4. supporting the upright post; 5. a pressing oil cylinder; 6. jacking a base; 7. a jacking oil cylinder; 8. jacking blocks; 9. a guide bar; 10. a guide sleeve; 11. an adjusting base; 12. a first support plate; 13. a second support plate; 14. a support block; 15. a fastening rod; 16. adjusting the nut; 17. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention is further illustrated by the following examples, which are not to be construed as limiting the utility model.

As shown in fig. 1 to 3, the center sill deflection modulation tool provided in the embodiment of the present invention includes: hold-down mechanism, adjustment mechanism, assembly platform and two climbing mechanisms, hold-down mechanism is including compressing tightly support 1, rotatory stand 2, compress tightly crossbeam 3, support post 4 and compressing cylinder 5, the bottom of rotatory stand 2 is rotated and is connected on compressing tightly support 1, the one end fixed connection who compresses tightly crossbeam 3 is in the top of rotatory stand 2, compressing cylinder 5 is installed on compressing tightly crossbeam 3, assembly platform installs on compressing tightly support 1, climbing mechanism and adjustment mechanism are fixed mounting on assembly platform within a definite time.

According to the utility model, when the rotating upright post 2 rotates and drives the pressing cross beam 3 to rotate outwards by 90 degrees, the middle beam can be hoisted to be seated on the adjusting mechanism and the jacking mechanism, then the rotating upright post 2 rotates and drives the pressing cross beam 3 to rotate inwards by 90 degrees, so that the other end of the pressing cross beam 3 is clamped into the supporting upright post 4, at the moment, the pressing oil cylinder 5 presses downwards and abuts against the middle beam on the adjusting mechanism, the jacking oil cylinder 7 in the jacking mechanism moves upwards and adjusts the deflection of the middle beam to a set value, and then the pressing cross beam 3 rotates outwards by 90 degrees again and is hoisted out of the middle beam.

Specifically, the jacking mechanism comprises a jacking base 6, a jacking oil cylinder 7, a jacking block 8, a guide rod 9 and a guide sleeve 10, wherein the jacking base 6 is installed on an assembly platform, the guide sleeve 10 and the jacking oil cylinder 7 are installed on the jacking base 6, the bottom of the guide rod 9 correspondingly penetrates through the guide sleeve 10, the top of the guide rod 9 is connected to the jacking block 8, the oil cylinder head of the jacking oil cylinder 7 penetrates through the jacking base 6 and is connected to the jacking block 8 (the top of the jacking block 8 is in a conical shape matched with the bottom of the middle beam in the utility model), and when the pressing oil cylinder 5 presses down and abuts against the middle beam on the adjusting mechanism, the jacking oil cylinder 7 drives the jacking block 8 to move upwards, so that the modulation of the deflection of the middle beam is completed.

Specifically, the adjusting mechanism comprises an adjusting base 11, a first supporting plate 12, a second supporting plate 13, a supporting block 14 and a fastening rod 15, wherein the adjusting base 11 is installed on an assembling platform, the first supporting plate 12 is fixedly installed on the adjusting base 11, the fastening rod 15 penetrates through the first supporting plate 12, the second supporting plate 13 is installed on the fastening rod 15, and the supporting block 14 is fixedly installed on the second supporting plate 13. In order to adapt to different deflection modulation requirements, the second supporting plate 13 can be adjustably arranged on the fastening rod 15 through an adjusting nut 16 which is spirally connected on the fastening rod 15.

Specifically, the top of the support column 4 is fixedly provided with a limit groove 17, and when the rotary column 2 is driven by the rotary oil cylinder 18 to rotate and drive the compressing beam 3 to rotate inwards by 90 degrees, the other end of the compressing beam 3 is clamped into the limit groove 17, so that the compressing beam 3 is limited and fixed by the limit groove 17.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a well roof beam amount of deflection modulation frock which characterized in that includes: the device comprises a pressing mechanism, an adjusting mechanism, an assembling platform and two jacking mechanisms, wherein the pressing mechanism comprises a pressing support (1), a rotating stand column (2), a pressing cross beam (3), a supporting stand column (4) and a pressing oil cylinder (5), the bottom of the rotating stand column (2) is rotatably connected to the pressing support (1), one end of the pressing cross beam (3) is fixedly connected to the top of the rotating stand column (2), the pressing oil cylinder (5) is installed on the pressing cross beam (3), the assembling platform is installed on the pressing support (1), and the jacking mechanisms and the adjusting mechanism are intermittently and fixedly installed on the assembling platform;

wherein, work as rotatory stand (2) is rotatory and drives compress tightly crossbeam (3) and can hoist and mount the centre sill and make it sit and locate when outwards rotating 90 on the adjustment mechanism reaches climbing mechanism, work as rotatory stand (2) is rotatory and drive compress tightly crossbeam (3) when inwards rotating 90 compress tightly crossbeam (3) other end card and go into support post (4), compress tightly hydro-cylinder (5) and push down and will the centre sill butt in on the adjustment mechanism, jacking hydro-cylinder (7) go upward and modulate centre sill deflection in the climbing mechanism.

2. The center sill deflection modulation tool according to claim 1, wherein the jacking mechanism comprises a jacking base (6), a jacking oil cylinder (7), a jacking block (8), a guide rod (9) and a guide sleeve (10), the jacking base (6) is installed on the assembly platform, the guide sleeve (10) and the jacking oil cylinder (7) are installed on the jacking base (6), the bottom of the guide rod (9) correspondingly penetrates through the guide sleeve (10), the top of the guide rod (9) is connected onto the jacking block (8), and an oil cylinder head of the jacking oil cylinder (7) penetrates through the jacking base (6) and is connected onto the jacking block (8).

3. The center sill deflection modulation tool according to claim 2, wherein the top of the jacking block (8) is in a conical shape.

4. The center sill deflection modulation tool of claim 1, wherein the adjusting mechanism comprises: adjust base (11), first backup pad (12), second backup pad (13), supporting shoe (14), anchorage bar (15), adjust base (11) install in on the equipment platform, first backup pad (12) fixed mounting in adjust on the base (11), anchorage bar (15) wear to locate on first backup pad (12), second backup pad (13) through screwed connection in adjustable the installing in of adjusting nut (16) on anchorage bar (15), supporting shoe (14) fixed mounting in on second backup pad (13).

5. The centre sill deflection modulation tool according to claim 1, characterized in that a limiting groove (17) is fixedly installed at the top of the support column (4), and when the rotating column (2) rotates and drives the compressing beam (3) to rotate inwards by 90 degrees, the other end of the compressing beam (3) is clamped into the limiting groove (17).

6. The center sill deflection modulation tool according to claim 5, wherein the pressing mechanism further comprises a rotary oil cylinder (18), an oil cylinder base of the rotary oil cylinder (18) is rotatably connected to the pressing base, and an oil cylinder head of the rotary oil cylinder (18) is rotatably connected to the rotary upright post (2).