CN215318385U

CN215318385U - Urea box synthesis and assembly integrated tool

Info

Publication number: CN215318385U
Application number: CN202120806494.8U
Authority: CN
Inventors: 李佳; 赵晗; 黄向荣; 尹雅玲; 季旭; 蔡爱华
Original assignee: Nanjing Iveco Automobile Co Ltd
Current assignee: Nanjing Iveco Automobile Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-28
Anticipated expiration: 2031-04-20

Abstract

A urea box synthesis and assembly integrated tool comprises a hydraulic gas spring device, a synthesis table board and a combined positioning assembly; the hydraulic gas spring device comprises a hydraulic gas spring, a height adjusting guide rail, a gas spring switch and a pressing pedal; the hydraulic gas spring is fixedly arranged in the center of the main frame, a pressing pedal is arranged at the bottom of the hydraulic gas spring, the height adjusting guide rails are arranged on two sides of the main frame, and the gas spring switch is arranged at the upper left part of the main frame; the synthesis table top comprises a rotary table top, positioning blocks, a roller turntable and a spring bolt, wherein the rotary table top is provided with a urea box assembly through the spring bolt, the positioning blocks are arranged on the periphery of the rotary table top and used for positioning the X, Z direction of the reference surface of the urea box assembly; the combined positioning assembly comprises four universal wheels and an auxiliary handle, the four universal wheels position the Z direction of the datum plane of the urea box assembly, and the auxiliary handle positions the Y direction of the datum plane of the urea box assembly. The device has the advantages of excellent synthesis quality consistency, product one-time qualification rate of 100 percent, people and burden reduction effect, effective shortening of the adjustment time of workers, meeting the requirement of production line rhythm and improving of production efficiency.

Description

Urea box synthesis and assembly integrated tool

Technical Field

The utility model belongs to the technical field of automobile assembly, and particularly relates to a urea box synthesis and assembly integrated tool.

Background

In recent years, the pollutant emission standard of motor vehicles in China is gradually improved. After the phase of 'national five', in order to further strengthen the pollution prevention and treatment work of the motor vehicles, the phase of 'national six', namely 'emission limit value of pollutants for heavy-duty diesel vehicles and a measurement method (the sixth phase in China') is gradually implemented from 7, 1 and 7 months in 2019 in China. In order to promote the technical upgrading of the automobile industry, accelerate the improvement of the environmental air quality and reach the emission standard, the automobile urea becomes an essential additive for treating the tail gas at present, and the vehicle-mounted urea box also becomes a necessary device. When the urea box assembly is synthesized and assembled, the matching precision among the accessories is high, the difference of the positions of the installation and tightening points is large, and meanwhile, the urea box assembly is large in size, so that the whole operation process is very complex and heavy; when the urea box assembly is connected with the frame, a strict control means is required to ensure the alignment precision with the frame reference hole, and meanwhile, the urea box assembly is 7Kg in weight, and the labor intensity of an operator is overloaded by a traditional single-person assembly adjustment mode, so that the time-consuming and labor-consuming process cannot meet the beat requirement of a production line, and a brand-new tool must be considered to be developed to assist the synthesis and assembly of the urea box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an integrated urea box synthesizing and assembling tool, which can ensure that an operator is always positioned in a gold area, can assist in positioning when assembling a vehicle urea box, ensures the consistency of a vehicle frame to a hole, improves the production efficiency, stabilizes the loading quality and reduces the labor intensity of workers.

The utility model provides a urea box synthesis and assembly integrated tool, which comprises a hydraulic gas spring device, a synthesis table board capable of rotating 360 degrees and a combined positioning component, wherein the synthesis table board is provided with a positioning hole;

the hydraulic gas spring device comprises a hydraulic gas spring, a height adjusting guide rail, a gas spring switch and a pressing pedal; the hydraulic gas spring is fixedly arranged in the center of the main frame, a pressing pedal is arranged at the bottom of the hydraulic gas spring, the height adjusting guide rails are arranged on two sides of the main frame, and the gas spring switch is arranged at the upper left of the main frame and used for positioning the Y direction of the reference surface of the urea box assembly;

the synthetic table top capable of rotating 360 degrees comprises a rotating table top, a first positioning block, a second positioning block, a third positioning block, a roller turntable and a spring bolt, wherein a urea box assembly is arranged on the rotating table top through the spring bolt, the first positioning block, the second positioning block and the third positioning block are arranged on the periphery of the rotating table top, and the X, Z direction of the reference surface of the urea box assembly is positioned;

the combined positioning assembly comprises four universal wheels and an auxiliary handle, the four universal wheels position the Z direction of the datum plane of the urea box assembly, and the auxiliary handle positions the Y direction of the datum plane of the urea box assembly.

As a further technical scheme of the utility model, the spring bolt is provided with a spring which is always in a compression state, and when the spring bolt is inserted into the notch, the bolt head can automatically return and self-lock under the action of the tension of the spring.

Furthermore, a lifting handle is arranged on the hydraulic gas spring.

Furthermore, the first positioning block, the second positioning block and the third positioning block are composed of rubber hard blocks for supporting and sponge soft blocks for buffering, and the sponge soft blocks are 20-multiplying-power sponges.

Furthermore, the sum of the lowest height of the synthetic table top and the height of the combined piece is less than the height of the vehicle frame, and the sum of the lowest height of the synthetic table top and the height of the combined piece and the height of the lift is equal to the synthetic height interval of an operator.

The height adjusting device further comprises a synthetic table board auxiliary connecting component, the synthetic table board auxiliary connecting component is a sliding block which fixedly installs the synthetic table board connecting piece on the height adjusting guide rail, and the synthetic table board auxiliary connecting component is connected with the connecting piece and the connecting piece is connected with the connecting plate through bolts.

Furthermore, the universal wheel is provided with a universal wheel locking buckle fixed on the main frame and a part box fixed on the synthesis table.

The advantage of the present invention is that,

1. when the novel tool is used for synthesizing the vehicle urea box, the height of a synthesis table top meets the requirement of human engineering, and tools, parts and the like used by an operator in the whole synthesis process are positioned in an operation gold area;

2. when the tool is used for assembling the vehicle urea box, the tool has X-direction and Y-direction quick adjustment and Z-direction limiting functions, so that the urea box support can be quickly aligned to the fixed hole position on the frame when the urea box assembly is connected with the frame, and the requirements of various wheelbase frames and various front suspensions can be met.

3. The integrated auxiliary tool can simultaneously meet the requirements of line-edge synthesis and on-line assembly, eliminates the carrying action of all urea box assemblies in the operation process, and greatly reduces the labor intensity of operators; NVAA time in the operation process is reduced, the working efficiency is effectively improved, and the labor cost is reduced while the production beat is met; the working quality level reaches the standard and can be repeatedly realized, and the one-time qualification rate of the product is 100 percent; increase the part box on another style frock, can put the required standard component of urea case assembly 5 kinds in total, realize that the part puts in operator's gold region, improve assembly efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a top view of the structure of the present invention.

Detailed Description

Referring to fig. 1-4, the present embodiment provides an integrated tool for synthesizing and assembling a urea tank, including a hydraulic gas spring device, a synthesizing table capable of rotating 360 degrees, and a combined positioning assembly;

the hydraulic gas spring device comprises a hydraulic gas spring 1, a height adjusting guide rail 5, a gas spring switch 4 and a pressing pedal plate 2; the hydraulic gas spring 1 is fixedly arranged in the center of the main frame, the bottom of the hydraulic gas spring 1 is provided with a downward pressing pedal 2, the height adjusting guide rails 5 are arranged on two sides of the main frame, the gas spring switch 4 is arranged at the left upper part of the main frame, and the Y direction of the reference surface of the urea box assembly 6 is positioned;

the synthetic table top capable of rotating 360 degrees comprises a rotating table top 8, a first positioning block, a second positioning block, a third positioning block, a roller turntable and a spring bolt 7, wherein a urea box assembly is arranged on the rotating table top through the spring bolt, the first positioning block, the second positioning block and the third positioning block are arranged around the rotating table top 8, and the X, Z direction of the reference surface of the urea box assembly 6 is positioned;

The spring bolt 7 is always in a compression state with a spring, and when the spring bolt is inserted into the notch, the bolt head can automatically return and self-lock under the action of the tension of the spring.

The hydraulic gas spring 1 is provided with an upper lifting handle 3.

The first positioning block, the second positioning block and the third positioning block are composed of rubber hard blocks with supporting function and sponge soft blocks with buffering function, and the sponge soft blocks are 20-multiplying-power sponges.

The sum of the lowest height of the synthetic table top and the height of the combined piece is less than the height of the vehicle frame, and the sum of the lowest height of the synthetic table top and the height of the combined piece and the height of the lift is equal to the synthetic height interval of an operator.

The height adjusting device is characterized by further comprising a synthetic table board auxiliary connecting component, the synthetic table board auxiliary connecting component is a sliding block for fixedly installing the synthetic table board connecting piece on the height adjusting guide rail, and the synthetic table board auxiliary connecting component is connected with the connecting piece and the connecting plate through bolts.

The universal wheel is provided with a universal wheel locking buckle fixed on the main frame and a part box fixed on the synthesis table.

When the synthesis table top is unloaded, the switch of the hydraulic gas spring device is opened, the gas cavity expands, and the synthesis table top can automatically rise to the area range of the optimal synthesis height A of the hitting area; meanwhile, the synthetic table top adopts a frame structure (with a hollow lower part), a roller turntable and a positioning pin, and can rotate for 360 degrees, so that an operator can assemble, sleeve and tighten all parts in the range of the area AA and the area A in the gold area without carrying and turning. When the synthesis table board carries the urea box assembly, the synthesis table board can be easily lowered to the lowest point through the self weight of the assembly and the assistance of pressing a pedal by an operator, so that the connection between the urea box assembly and a frame is met, the action of carrying the urea box assembly by the operator is eliminated, the Level 3 in the human engineering evaluation is achieved, and the labor intensity is greatly reduced; but four universal wheels quick adjustment urea case closes piece X to, but auxiliary handle quick adjustment urea case closes piece Y to, the locating piece has been add again below the frame with the location closes piece Z to realize that urea case closes piece and frame are quick to the hole, reduce the unapproved time to hole, adjustment.

During working, the tool is pushed into a synthesis area, the direction of the urea box support X, Z is determined by using a positioning block on the synthesis table, the urea box is placed in the support, the X, Z direction of the urea box is determined, the Y direction of the reference surface of the urea box is determined by using a hydraulic gas spring, and the purpose of synthesis tightening can be achieved by using a roller turntable and a hollow structure of the synthesis table without turning over; need not the transport, utilize the universal wheel can directly push up the line to the assembly station with the frock, confirm urea case assembly X to, utilize supplementary handle to adjust urea case Y case, utilize frame bottom locating piece to confirm urea case Z to, realize the fixed assembly purpose to the hole. And at an assembly station, the fixed assembly of the frame reference hole and the hole is realized by utilizing a handle and a positioning block on the tool.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the utility model, and that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is intended to be protected by the appended claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. A urea box synthesis and assembly integrated tool is characterized by comprising a hydraulic gas spring device, a synthesis table top capable of rotating 360 degrees and a combined positioning assembly;

the hydraulic gas spring device comprises a hydraulic gas spring, a height adjusting guide rail, a gas spring switch and a pressing pedal; the hydraulic gas spring is fixedly arranged in the center of the main frame, the pressing pedal is arranged at the bottom of the hydraulic gas spring, the height adjusting guide rails are arranged on two sides of the main frame, and the gas spring switch is arranged at the upper left of the main frame and used for positioning the Y direction of the datum plane of the urea box assembly;

the synthesis table top capable of rotating 360 degrees comprises a rotating table top, a first positioning block, a second positioning block, a third positioning block, a roller turntable and a spring bolt, wherein a urea box assembly is arranged on the rotating table top through the spring bolt, and the first positioning block, the second positioning block and the third positioning block are arranged on the periphery of the rotating table top and used for positioning the X, Z direction of the reference surface of the urea box assembly;

2. The integrated urea box synthesizing and assembling tool according to claim 1, wherein the spring bolt is provided with a spring which is always in a compression state, and when the spring bolt is inserted into the notch, the bolt head can automatically return and self-lock under the action of the tension of the spring.

3. The integrated tool for synthesizing and assembling a urea box according to claim 1, wherein a lifting handle is mounted on the hydraulic gas spring.

4. The integrated tool for synthesizing and assembling the urea box according to claim 1, wherein the first positioning block, the second positioning block and the third positioning block are composed of a rubber hard block for supporting and a sponge soft block for buffering, and the sponge soft block is made of 20-rate sponge.

5. The integrated tool for synthesizing and assembling a urea box according to claim 1, wherein the sum of the lowest height of the synthesizing table top and the height of a combined part is less than the height of a vehicle frame, and the sum of the lowest height of the synthesizing table top and the height of the combined part and the height of a lift is equal to the synthesizing height interval of an operator.

6. The integrated urea tank synthesis and assembly tool according to claim 1, further comprising a synthesis table board auxiliary connecting member, wherein the synthesis table board auxiliary connecting member is a sliding block for fixedly mounting the synthesis table board connecting member on the height adjusting guide rail, and the synthesis table board auxiliary connecting member is connected with the connecting member and the connecting plate through bolts.

7. The integrated tool for synthesizing and assembling the urea box according to claim 1, wherein the universal wheels are provided with universal wheel locking buckles fixed on the main frame and part boxes fixed on the synthesizing table.