CN220854184U - Running-in bench of electric drive bridge assembly with movable load - Google Patents
Running-in bench of electric drive bridge assembly with movable load Download PDFInfo
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- CN220854184U CN220854184U CN202321832695.0U CN202321832695U CN220854184U CN 220854184 U CN220854184 U CN 220854184U CN 202321832695 U CN202321832695 U CN 202321832695U CN 220854184 U CN220854184 U CN 220854184U
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- 238000000429 assembly Methods 0.000 claims abstract description 24
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides an electric drive bridge assembly running-in bench with a movable load, which improves the clamping and disassembling operation efficiency. It comprises the following steps: the two groups of movable load components comprise a load bottom plate at the bottom, a horizontal linear driving mechanism and a load fixing base component, and the horizontal output end of the horizontal linear driving mechanism is connected with the load fixing base component; the two groups of hub tooling lifting assemblies comprise a supporting bottom plate, a supporting frame, lifting cylinders and supporting brackets, wherein at least one guide rail is arranged on the upper surface of the supporting bottom plate, the bottoms of the supporting frames are arranged in a moving mode along the guide rails, the supporting frames are provided with the lifting cylinders, and the upper output ends of the lifting cylinders are connected with the supporting brackets; a pair of electrically driven bridge fixing bases; two sets of load assemblies; two sets of hub switching tools, wherein each set of hub switching tool comprises a connecting shaft and a flange connecting frame; two sets of universal shafts; and a cast iron platform.
Description
Technical Field
The utility model relates to the technical field of running-in tools of electric drive bridges, in particular to a running-in rack of an electric drive bridge assembly with a movable load.
Background
The electric drive axle assembly is required to simulate the actual vehicle working condition to carry out running-in test before production and delivery, and is used for detecting various functional performances of the assembly. The conventional electric drive bridge testing method includes two steps, namely, a load assembly is directly locked on a cast iron platform by T-shaped bolts, if the electric drive bridge assembly needs to be assembled and disassembled, the bolts of the load assembly need to be loosened to move to two sides manually, and after the electric drive bridge assembly is installed, the load assembly moves to the inner side, so that the hub of the bridge is assembled into a hub switching tool. The other method is that the two side load assemblies are fixed, the two side hub switching tools are required to be locked and attached on the bridge hubs in advance outside the rack before installation, and then the bridge is installed on the rack and connected with the universal shaft.
The clamping operation efficiency and the disassembly operation efficiency of the two testing methods are not high, and the hub switching tool is required to be installed manually, so that the labor cost is high.
Disclosure of Invention
Aiming at the problems, the utility model provides the running-in bench of the electric drive bridge assembly with movable load, which improves the clamping and disassembling operation efficiency, does not need to install a hub switching tool in advance, and saves manpower.
The utility model provides a movable electric bridge assembly running-in rack of load, its characterized in that includes:
the two groups of movable load components comprise a load bottom plate at the bottom, a horizontal linear driving mechanism and a load fixing base component, and the horizontal output end of the horizontal linear driving mechanism is connected with the load fixing base component;
The two groups of hub tooling lifting assemblies comprise a supporting bottom plate, a supporting frame, lifting cylinders and supporting brackets, wherein at least one guide rail is arranged on the upper surface of the supporting bottom plate, the bottoms of the supporting frames are arranged in a moving mode along the guide rails, the supporting frames are provided with the lifting cylinders, and the upper output ends of the lifting cylinders are connected with the supporting brackets;
A pair of electrically driven bridge fixing bases;
Two sets of load assemblies;
Two sets of hub switching tools, wherein each set of hub switching tool comprises a connecting shaft and a flange connecting frame;
Two sets of universal shafts;
A cast iron platform;
The center area of the length direction of the cast iron platform is fixedly provided with a pair of electric drive bridge fixing bases respectively, the two ends of the length direction of the tested electric drive bridge assembly are respectively supported at the upper supporting ends of the corresponding electric drive bridge fixing bases, hubs of the tested electric drive bridge assembly are arranged towards two sides, a load bottom plate of each group of movable load assembly is fixedly connected to the corresponding side of the length direction of the cast iron platform, a support bottom plate of each group of hub tool lifting assemblies is fixedly connected to the corresponding side of the length direction of the cast iron platform, the hub tool lifting assemblies on each side are arranged on the inner sides of the movable load assemblies on the corresponding sides, the upper ends of the load fixing base assemblies are supported with corresponding load assemblies, the inner end output ends of each load assembly are connected with connecting shafts of corresponding hub transfer tools through universal shafts, and the flange connecting frames are supported on the support brackets and the flange faces of the flange connecting frames are arranged towards the corresponding connecting faces of the hubs.
It further comprises is characterized in that:
The load fixing base assembly comprises a load translation plate, a load first fixing base, a load second fixing base and a plurality of T-shaped bolt nuts, wherein two ends of the load bottom plate, which are opposite to the width of the load translation plate, are respectively provided with a T-shaped hard rail which protrudes upwards, two ends of the load translation plate in the width direction are respectively supported on the upper surface of the T-shaped hard rail, and are limited or fixedly installed through the T-shaped bolt nuts, and two ends of the corresponding load assembly are respectively supported on upper end supporting structures of the load first fixing base and the load second fixing base;
The horizontal linear driving mechanism is specifically composed of at least two groups of rodless cylinders which are arranged in parallel, and the output end of each group of rodless cylinders is fixedly connected with the bottom end surface of the load translation plate respectively, so that stable and reliable movement is ensured;
The support frame comprises a support translation plate, four guide posts, four groups of linear bearings and a support lifting plate, wherein the support lifting plate is connected with the support translation plate at the bottom through the guide posts at four corners and the linear bearings, the lifting cylinder is fixedly arranged on the upper plate surface of the support translation plate, and the upper output end of the lifting cylinder is fixedly connected with the support lifting plate;
the bottom of the supporting translation plate is supported on the guide rails through guide rail pairs, and the number of the guide rails is at least two;
The supporting translation plate and the load translation plate are fixedly connected through a connecting seat and a connecting rod to form an integral structure, so that stable and reliable linkage is ensured;
The support bracket is a V-shaped support, and the stable and reliable support of the flange connecting frame of the hub switching tool is ensured.
After the technical scheme is adopted, the horizontal linear driving mechanism is utilized to drive the two side load assembly components to move, so that the electric drive bridge assembly is convenient to mount before running-in and dismount after testing; the lifting cylinder is used for supporting the hub switching tool, the support is assisted before installation, and the running-in rotation is not influenced when the wheel is lowered; the clamping and disassembling operation efficiency is improved, the hub switching tool is not required to be installed in advance, and labor is saved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an assembled perspective view of the mobile load assembly and hub tooling lift assembly of the present utility model; the names corresponding to the serial numbers in the figures are as follows:
The device comprises a 1 moving load assembly, a 1-1 load bottom plate, a 1-2 rodless cylinder, a 1-3T-shaped hard rail, a 1-4 load translation plate, a 1-5 load first load fixing base, a 1-6 load second fixing base, a 1-7T-shaped bolt and nut, a 2 hub tool lifting assembly, a 2-1 supporting bottom plate, a 2-2 supporting translation plate, a 2-3 lifting cylinder, a 2-4 linear bearing, a 2-5 supporting lifting plate, a 2-6 supporting V-shaped support, a 2-7 connecting rod, a 2-8 guide rail, a 2-9 connecting seat, a 2-10 guide post, a 3 electric drive bridge fixing base, a 4 universal shaft, a5 hub switching tool, a 6 load assembly, a 7 tested electric drive bridge assembly and an 8 cast iron platform.
Detailed Description
The electric drive bridge assembly running-in bench with movable load comprises two groups of movable load components 1, two groups of hub tool lifting components 2, a pair of electric drive bridge fixing bases 3, two groups of load assemblies 6, two groups of hub switching tools 5, two groups of universal shafts 4 and a cast iron platform 8, as shown in fig. 1 and 2;
Each group of movable load components 1 comprises a load bottom plate 1-1 at the bottom, a horizontal linear driving mechanism and a load fixing base component, and the horizontal output end of the horizontal linear driving mechanism is connected with the load fixing base component;
Each hub tool lifting assembly 2 comprises a supporting bottom plate 2-1, a supporting frame, lifting cylinders 2-3 and a supporting bracket, wherein two guide rails 2-8 are arranged on the upper surface of the supporting bottom plate 2-1, the bottoms of the supporting frames are movably arranged along the guide rails 2-8, the supporting frames are provided with the lifting cylinders 2-3, and the upper output ends of the lifting cylinders 2-3 are connected with the supporting bracket;
each group of hub switching tools 5 comprises a connecting shaft and a flange connecting frame;
The center area in the length direction of the cast iron platform 8 is fixedly provided with a pair of electric drive bridge fixing bases 3 respectively, the two ends in the length direction of a tested electric drive bridge assembly 7 are respectively supported at the upper supporting ends of the corresponding electric drive bridge fixing bases 3, hubs of the tested electric drive bridge assembly 7 are arranged towards two sides, a load bottom plate 1-1 of each group of movable load assemblies 1 is fixedly connected to the corresponding side in the length direction of the cast iron platform 8, a supporting bottom plate 2-1 of each group of hub tooling lifting assemblies 2 is fixedly connected to the corresponding side in the length direction of the cast iron platform 8, the hub tooling lifting assemblies 2 on each side are arranged on the inner sides of the movable load assemblies 1 on the corresponding side, the upper ends of the load fixing base assemblies are supported with corresponding load assemblies 6, the inner end output ends of each load assembly 6 are connected with the connecting shafts of the corresponding hub transfer tooling 5 through universal shafts 4, the flange connecting frames are supported on supporting brackets, and the flange faces of the flange connecting frames are arranged towards the corresponding connecting faces of the hubs.
The specific implementation method comprises the following steps: the load fixing base assembly comprises a load translation plate 1-4, a load first fixing base 1-5, a load second fixing base 1-6 and a plurality of T-shaped bolt nuts 1-7, wherein the two ends of the load bottom plate 1-1, which are opposite to the width of the load translation plate 1-4, are respectively provided with a T-shaped hard rail 1-3 which protrudes upwards, the two ends of the load translation plate 1-4 in the width direction are respectively supported on the upper surface of the T-shaped hard rail 1-3, and are limited or fixedly installed through the T-shaped bolt nuts 1-7, and the two ends of the corresponding load assembly 6 are respectively supported on upper end supporting structures of the load first fixing base 1-5 and the load second fixing base 1-6;
The horizontal linear driving mechanism is specifically three groups of rodless cylinders 1-2 which are arranged in parallel, and the output end of each group of rodless cylinders 1-2 is fixedly connected with the bottom end surface of a load translation plate 1-4 respectively, so that stable and reliable movement is ensured;
The support frame comprises a support translation plate 2-2, four guide posts 2-10, four groups of linear bearings 2-4 and a support lifting plate 2-5, wherein the support lifting plate 2-5 is connected with the support translation plate 2-2 at the bottom through the guide posts 2-10 at four corners and the linear bearings 2-4, a lifting cylinder 2-3 is fixedly arranged on the upper plate surface of the support translation plate 2-2, and the upper output end of the lifting cylinder 2-3 is fixedly connected with the support lifting plate 2-5;
the bottom of the supporting translation plate 2-2 is supported on the guide rail 2-8 through a guide rail pair;
The supporting translation plate 2-2 and the load translation plate 1-4 are fixedly connected through the connecting seat 2-9 and the connecting rod 2-7 to form an integral structure, so that stable and reliable linkage is ensured;
the support bracket is specifically a V-shaped bracket 2-6, so that the stable and reliable support of the flange connecting frame of the hub switching tool is ensured.
Working principle and process:
The state of the device before bridge installation: a circle of T-shaped bolt and nut 1-7 on the movable load assembly 1 is in a unscrewed state, the rodless cylinder 1-2 drives the movable load assembly 1 and the hub tool lifting assembly 2 to be in a bench outermost state, and at the moment, a free space in the middle of the bench can be used for hoisting an electric drive bridge to a 3-electric drive bridge fixing base by a crane to lock and fix the bolt and the nut.
The state of the device when the bridge is installed: the rodless cylinder 1-2 is controlled to move towards the center of the rack through the button operation of the external electric control box until the hub switching tool 5 is sleeved into the limit position of the hub of the electric drive axle. Because the deviation of the external dimensions of different bridges causes the deviation of the center height and the hub switching tool, when the hub switching tool 5 is about to be sleeved on the hub of the electric drive bridge, the lifting cylinder 2-3 can be controlled to ascend or descend through the button operation of the external electric control box, so that the hub can be smoothly sleeved. And locking and fixing the hub switching tool 5 and the electric drive axle hub by nuts, and tightening a circle of T-shaped bolt nuts 1-7 on the load translation plate 1-4.
The state of the device during bridge grinding is as follows: the lifting cylinder 2-3 is controlled to descend to the lowest position through the button operation of the external electric control box, so that the supporting V-shaped support 2-6 is guaranteed not to be in contact with the hub switching tool 5, and the hub rotation during the subsequent bridge running-in is not prevented.
And (3) disassembling the bridge after the running-in is completed: the lifting cylinder 2-3 is controlled to lift up to support the hub switching tool 5 through the button operation of the external electric control box, and the hub switching tool 5 and the electric drive axle hub are loosened by loosening a circle of nuts of the hub. And loosening a circle of T-shaped bolt nuts 1-7 on the load translation plate 1-4, and controlling the rodless cylinder 1-2 to move towards the two sides of the rack through the button operation of the external electric control box until the hub switching tool 5 is separated from the electric drive axle hub. And loosening bolts and nuts between the electric drive bridge and the electric drive bridge fixing base, and hoisting the electric drive bridge away from the running-in bench by using a travelling crane.
Connection relation:
The cast iron platform is fixed on the ground through expansion bolts, the load bottom plate 1-1 is fixed on the surface of the cast iron platform through T-shaped bolts and nuts, and the rodless cylinder 1-2 and the T-shaped hard rail 1-3 are attached to the load bottom plate 1-1 through bolt locks. The load translation plate 1-4 is fixed on the sliding block of the rodless cylinder 1-2 through bolts, and sliding friction is formed between the load translation plate 1-4 and the T-shaped hard rail 1-3. The load fixing base 11-5 and the load fixing base 21-6 are fixed on the load translation plate 1-4 through bolts, and the load assembly 6 is fixed on the load fixing base through bolts.
The supporting bottom plate 2-1 is fixed on the surface of the cast iron platform through T-shaped bolts and nuts, the guide rail 2-8 is fixed on the supporting bottom plate 2-1 through bolts, the supporting translation plate 2-2 is connected with a sliding block on the guide rail 2-8 through bolts, the lifting cylinder 2-3 is fixed on the surface of the supporting translation plate 2-2 through bolts, the supporting lifting plate 2-5 is in threaded connection with the end part of a piston rod of the lifting cylinder 2-3, and the supporting V-shaped support 2-6 is fixed on the supporting lifting plate 2-5 through bolts. The load translation plate 1-4 and the support translation plate 2-2 are both fixedly connected with the connecting seat 2-9 through bolts, and the connecting rod 2-7 is fixedly connected between the connecting seats 2-9 through bolts.
The beneficial effects are that: the horizontal linear driving mechanism is utilized to drive the two side load assembly components to move, so that the electric drive bridge assembly is convenient to mount before the running-in test of the rack and dismount after the test; the lifting cylinder is used for supporting the hub switching tool, the support is assisted before installation, and the running-in rotation is not influenced when the wheel is lowered; the clamping and disassembling operation efficiency is improved, the hub switching tool is not required to be installed in advance, and labor is saved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a movable electric bridge assembly running-in rack of load, its characterized in that includes:
the two groups of movable load components comprise a load bottom plate at the bottom, a horizontal linear driving mechanism and a load fixing base component, and the horizontal output end of the horizontal linear driving mechanism is connected with the load fixing base component;
The two groups of hub tooling lifting assemblies comprise a supporting bottom plate, a supporting frame, lifting cylinders and supporting brackets, wherein at least one guide rail is arranged on the upper surface of the supporting bottom plate, the bottoms of the supporting frames are arranged in a moving mode along the guide rails, the supporting frames are provided with the lifting cylinders, and the upper output ends of the lifting cylinders are connected with the supporting brackets;
A pair of electrically driven bridge fixing bases;
Two sets of load assemblies;
Two sets of hub switching tools, wherein each set of hub switching tool comprises a connecting shaft and a flange connecting frame;
Two sets of universal shafts;
A cast iron platform;
The center area of the length direction of the cast iron platform is fixedly provided with a pair of electric drive bridge fixing bases respectively, the two ends of the length direction of the tested electric drive bridge assembly are respectively supported at the upper supporting ends of the corresponding electric drive bridge fixing bases, hubs of the tested electric drive bridge assembly are arranged towards two sides, a load bottom plate of each group of movable load assembly is fixedly connected to the corresponding side of the length direction of the cast iron platform, a support bottom plate of each group of hub tool lifting assemblies is fixedly connected to the corresponding side of the length direction of the cast iron platform, the hub tool lifting assemblies on each side are arranged on the inner sides of the movable load assemblies on the corresponding sides, the upper ends of the load fixing base assemblies are supported with corresponding load assemblies, the inner end output ends of each load assembly are connected with connecting shafts of corresponding hub transfer tools through universal shafts, and the flange connecting frames are supported on the support brackets and the flange faces of the flange connecting frames are arranged towards the corresponding connecting faces of the hubs.
2. The load-movable motorized bridge assembly break-in stand of claim 1, wherein: the load unable adjustment base subassembly includes load translation board, load first unable adjustment base, load second unable adjustment base and a plurality of T type bolt nut, the width both ends of load bottom plate for the load translation board are provided with the T type hard rail of epirelief respectively, the width direction both ends of load translation board support respectively in the upper surface of T type hard rail, and carry out spacing or fixed mounting through T type bolt nut, corresponding the both ends of load assembly support respectively in the upper end bearing structure of load first unable adjustment base, load second unable adjustment base.
3. The load-movable motorized bridge assembly break-in stand of claim 2, wherein: the horizontal linear driving mechanism is specifically composed of at least two groups of rodless cylinders which are arranged in parallel, and the output end of each group of rodless cylinders is fixedly connected with the bottom end face of the load translation plate respectively.
4. A load movable electrically driven bridge assembly running-in stand as claimed in claim 3, wherein: the support frame is including supporting translation board, four guide posts, four sets of linear bearing, supporting the lifter plate, the support translation board of support lifter plate bottom is connected through guide post, the linear bearing of four corners position, the lift cylinder adorn admittedly in the last face of supporting the translation board, the upper portion output rigid coupling of lift cylinder support the lifter plate.
5. The load-movable motorized bridge assembly break-in stand of claim 4, wherein: the bottom of the supporting translation plate is supported on the guide rails through guide rail pairs, and the number of the guide rails is at least two.
6. The load-movable motorized bridge assembly break-in stand of claim 5, wherein: the supporting translation plate and the load translation plate are fixedly connected through a connecting seat and a connecting rod to form an integral structure.
7. The load-movable motorized bridge assembly break-in stand of claim 1, wherein: the support bracket is specifically a V-shaped bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832695.0U CN220854184U (en) | 2023-07-13 | 2023-07-13 | Running-in bench of electric drive bridge assembly with movable load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321832695.0U CN220854184U (en) | 2023-07-13 | 2023-07-13 | Running-in bench of electric drive bridge assembly with movable load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854184U true CN220854184U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321832695.0U Active CN220854184U (en) | 2023-07-13 | 2023-07-13 | Running-in bench of electric drive bridge assembly with movable load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854184U (en) |
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2023
- 2023-07-13 CN CN202321832695.0U patent/CN220854184U/en active Active
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