CN220819271U - Double pinion steering gear servo end no-load rotation friction torque test fixture - Google Patents
Double pinion steering gear servo end no-load rotation friction torque test fixture Download PDFInfo
- Publication number
- CN220819271U CN220819271U CN202322283894.7U CN202322283894U CN220819271U CN 220819271 U CN220819271 U CN 220819271U CN 202322283894 U CN202322283894 U CN 202322283894U CN 220819271 U CN220819271 U CN 220819271U
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- China
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- bottom plate
- friction torque
- ball lock
- pinion steering
- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 5
- 230000036544 posture Effects 0.000 abstract description 5
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of steering systems, in particular to a double-pinion steering gear servo end no-load rotation friction torque testing tool. The utility model provides a no-load rotation friction torque test fixture of double pinion steering gear servo end, includes bottom plate, stand, its characterized in that: the bottom plate is connected with the upright post through the connecting piece, is located one side of the top of the upright post and is connected with one end of the screw rod, the other end of the screw rod is connected with one end of the rotary adjusting connecting block, and the other end of the rotary adjusting connecting block is connected with the product fixing bottom plate through the ball lock device. Compared with the prior art, the adjustable tool for the motor and the fixed multi-project servo small assembly, which is adaptive to different placing postures, is provided with the double-pinion steering gear servo end no-load rotation friction torque testing tool.
Description
Technical Field
The utility model relates to the technical field of steering systems, in particular to a double-pinion steering gear servo end no-load rotation friction torque testing tool.
Background
The existing test principle of the non-load rotating friction torque at the servo end of the double-pinion steering gear is to fix the servo small assembly so that a driving gear of the servo small assembly is in the same axis with an external test motor, and the test motor drives the gear at the servo end to rotate, so that the internal rotating structure of the servo assembly moves, and the purpose of measuring the friction torque is achieved.
The traditional fixed tool for testing the non-load rotating friction torque of the servo end is of an unadjustable structure, and different tools are manufactured according to the placing pose of the special test motor and the appearance shape of the product so as to adapt to the test of corresponding projects. Therefore, the special test motor for friction torque is horizontally and fixedly arranged, so that an experimenter can design and install a tool conveniently; the fixture preparation mode of 'one item one fixture' is selected, and high requirements are placed on the storage space and the cost of the fixture.
Disclosure of Invention
The utility model provides a double-pinion steering gear servo end no-load rotation friction torque testing tool for overcoming the defects of the prior art, and an adjustable tool for adapting motors with different placing postures and fixing a multi-project servo small assembly is realized.
In order to achieve the above purpose, design a double pinion steering gear servo end no-load rotation friction torque test fixture, including bottom plate, stand, its characterized in that: the bottom plate is connected with the upright post through the connecting piece, is located one side of the top of the upright post and is connected with one end of the screw rod, the other end of the screw rod is connected with one end of the rotary adjusting connecting block, and the other end of the rotary adjusting connecting block is connected with the product fixing bottom plate through the ball lock device.
The ball lock device comprises a screw handle, a ball lock shaft head and a fixing ring, wherein the fixing ring is of an annular structure, the fixing ring is fixedly connected with a product fixing bottom plate through bolts, a plurality of balls are arranged on the inner edge of the fixing ring, the head of the screw handle is of a conical structure, and the head of the screw handle penetrates through the ball lock shaft head and the other end of the rotary adjusting connecting block and is connected with the fixing ring.
The ball lock shaft head is of an annular structure, a ball clamping groove is formed in the ball lock shaft head, the ball lock shaft head is connected with the spiral handle through threads, and the ball lock shaft head and the fixing ring are welded into a whole.
The product fixed bottom plate is of an L-shaped panel structure, a side plate of the product fixed bottom plate is connected with the ball lock device, and a hole groove connected with a product is formed in a horizontal panel of the product fixed bottom plate.
The hole groove is in a round, rectangular and waist-shaped structure.
And a reinforcing rib is connected between the side plate of the product fixing bottom plate and the horizontal plate.
Compared with the prior art, the utility model provides the non-load rotating friction torque testing tool for the servo end of the double-pinion steering gear, and the adjustable tool which is adaptive to motors with different placing postures and is used for fixing a multi-project servo small assembly is realized.
The fixture clamp is simple to operate, the screw rod and ball lock device can quickly adjust the fixed bottom plate of the servo small assembly, different motor positions and postures can be adapted, the utilization rate of a rack is improved, the test waiting time is saved, and the experimental efficiency is improved; the universal product fixing bottom plate for testing is adopted, so that a large amount of bench testing cost and tool storage space are saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of the connection of the ball lock device to the product mounting base.
Fig. 3 is a schematic view of the connection of the screw handle and the ball lock shaft head.
FIG. 4 is a schematic view of the connection of the screw handle to the stationary ring.
FIG. 5 is a schematic diagram of the connection of the servo subassembly to the product mounting base.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the base plate 1 is connected with the upright post 2 through a connecting piece, one end of the screw rod 3 is connected to one side of the top of the upright post 2, the other end of the screw rod 3 is connected with one end of the rotation adjusting connecting block 4, and the other end of the rotation adjusting connecting block 4 is connected with the product fixing base plate 5 through a ball lock device.
The ball lock device comprises a screw handle, a ball lock shaft head and a fixed ring, wherein the fixed ring 8 is of an annular structure, the fixed ring 8 is fixedly connected with the product fixing base plate 5 through bolts, a plurality of balls 8-1 are arranged on the inner edge of the fixed ring 8, the head of the screw handle 6 is of a conical structure, and the head of the screw handle 6 penetrates through the ball lock shaft head 7 and the other end of the rotary adjusting connecting block 4 to be connected with the fixed ring 8.
The ball lock shaft head 7 is of an annular structure, a ball clamping groove is formed in the ball lock shaft head 7, and the ball lock shaft head 7 is connected with the screw handle 6 through threads and is welded with the fixing ring 8 into a whole.
The product fixed bottom plate 5 is of an L-shaped panel structure, a side plate 5-1 of the product fixed bottom plate 5 is connected with the ball lock device, and a horizontal panel 5-3 of the product fixed bottom plate 5 is provided with a hole groove 5-4 connected with a product.
The hole groove 5-4 is in a round, rectangular and waist-shaped structure.
The side plate 5-1 of the product fixing bottom plate 5 is connected with the horizontal plate 5-3 by the reinforcing rib 5-2.
The rotary adjusting connecting block 4 is matched with the upright post 2, the product fixing bottom plate 5 and the screw rod 3 are connected through the ball lock device, and the screw rod 3 is utilized to realize that the product fixing bottom plate 5 carries out Z-direction height adjustment along the upright post 2.
The ball lock device consists of a spiral handle, a ball lock shaft head and a fixed ring, and the fixed ring 8 is fixed with the product fixed bottom plate 5 through bolts. The screw handle 6 is connected with the ball lock shaft head 7 through threads, the front end of the screw handle 6 is in conical design, and the screw handle contacts with the ball 8-1 in the fixed ring 8 when screwed in, so that the aim of locking the fixed ring 8 is fulfilled; when the ball 8-1 is unscrewed, the ball can rotate in the clamping groove in a small amplitude, so that the purpose of rotating the product fixing bottom plate 5 around the X axis is achieved.
The servo assembly shell is of a special-shaped structure, two mounting holes are formed in the plane connected with the steering motor, the product fixing base plate 5 is designed by adopting a rectangular U-shaped hole groove 5-4 by utilizing the principle of two points and one line, and two mounting points of the servo shell with different shapes can be placed on the U-shaped hole groove 5-4, so that the purpose of the product fixing base plate 5 is achieved.
The fixture clamp is simple to operate, the screw rod and ball lock device can quickly adjust the fixed bottom plate of the servo small assembly, different motor positions and postures can be adapted, the utilization rate of a rack is improved, the test waiting time is saved, and the experimental efficiency is improved; the universal product fixing bottom plate for testing is adopted, so that a large amount of bench testing cost and tool storage space are saved.
Claims (6)
1. The utility model provides a no-load rotation friction torque test fixture of double pinion steering gear servo end, includes bottom plate, stand, its characterized in that: the bottom plate (1) is connected with the upright post (2) through a connecting piece, one end of a screw rod (3) is connected to one side of the top of the upright post (2), one end of a rotary adjusting connecting block (4) is connected to the other end of the screw rod (3), and the other end of the rotary adjusting connecting block (4) is connected with a product fixing bottom plate (5) through a ball lock device.
2. The dual pinion steering engine servo end no-load rotational friction torque test fixture of claim 1, wherein: the ball lock device comprises a screw handle, a ball lock shaft head and a fixing ring, wherein the fixing ring (8) is of an annular structure, the fixing ring (8) is fixedly connected with a product fixing bottom plate (5) through bolts, a plurality of balls (8-1) are arranged on the inner edge of the fixing ring (8), the head of the screw handle (6) is of a conical structure, the head of the screw handle (6) penetrates through the ball lock shaft head (7), and the other end of the rotary adjusting connecting block (4) is connected with the fixing ring (8).
3. The dual pinion steering machine servo end no-load rotational friction torque test fixture of claim 2, wherein: the ball lock shaft head (7) is of an annular structure, a ball clamping groove is formed in the ball lock shaft head (7), the ball lock shaft head (7) is connected with the spiral handle (6) through threads, and the ball lock shaft head and the fixing ring (8) are welded into a whole.
4. The dual pinion steering engine servo end no-load rotational friction torque test fixture of claim 1, wherein: the product fixing bottom plate (5) is of an L-shaped panel structure, a side plate (5-1) of the product fixing bottom plate (5) is connected with the ball lock device, and a hole groove (5-4) connected with a product is formed in a horizontal plane plate (5-3) of the product fixing bottom plate (5).
5. The dual pinion steering gear servo end no-load rotational friction torque test fixture of claim 4, wherein: the hole grooves (5-4) are round, rectangular or kidney-shaped structures.
6. The dual pinion steering gear servo end no-load rotational friction torque test fixture of claim 4, wherein: the reinforcing ribs (5-2) are connected between the side plates (5-1) of the product fixing bottom plate (5) and the horizontal plane plate (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283894.7U CN220819271U (en) | 2023-08-24 | 2023-08-24 | Double pinion steering gear servo end no-load rotation friction torque test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283894.7U CN220819271U (en) | 2023-08-24 | 2023-08-24 | Double pinion steering gear servo end no-load rotation friction torque test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819271U true CN220819271U (en) | 2024-04-19 |
Family
ID=90676891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322283894.7U Active CN220819271U (en) | 2023-08-24 | 2023-08-24 | Double pinion steering gear servo end no-load rotation friction torque test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819271U (en) |
-
2023
- 2023-08-24 CN CN202322283894.7U patent/CN220819271U/en active Active
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