CN117620324A - Worm gear running-in device of steering gear - Google Patents
Worm gear running-in device of steering gear Download PDFInfo
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- CN117620324A CN117620324A CN202311776010.XA CN202311776010A CN117620324A CN 117620324 A CN117620324 A CN 117620324A CN 202311776010 A CN202311776010 A CN 202311776010A CN 117620324 A CN117620324 A CN 117620324A
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- 238000003825 pressing Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
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Abstract
The invention discloses a worm gear and worm running-in device of a steering gear, which comprises a first driving piece, a worm, a clamping mechanism, a second driving piece and a load driving piece, wherein the clamping mechanism comprises a worm wheel, a wheel shaft, a connecting cover and a meshing enclasping assembly, one end of the worm is meshed with the worm wheel, the other end of the worm is connected with the first driving piece, the wheel shaft is coaxially connected with the worm wheel, the meshing enclasping assembly is arranged in the connecting cover, the second driving piece drives the meshing enclasping assembly to be meshed with the wheel shaft, and the load driving piece is connected with the connecting cover. After the worm wheel and the worm are meshed in place, the first driving piece drives the worm to drive the worm wheel to rotate, the worm wheel drives the wheel shaft to rotate, meanwhile, the second driving piece drives the meshing and enclasping assembly to move towards the wheel shaft, meshing and enclasping are carried out on the wheel shaft in the rotation process of the wheel shaft, the connecting cover is connected with the load driving piece through the coupler, the load driving piece provides load for the wheel shaft, and meanwhile, the first driving piece drives the worm to enable the worm wheel and the worm to move with load, so that the requirement that the worm wheel and the worm are fully ground before assembly is achieved.
Description
Technical Field
The invention relates to the technical field of running-in equipment, in particular to a worm and gear running-in device of a steering gear.
Background
In an electric power steering gear (P/DP-EPS for short) of a rack-and-pinion type automobile, a worm gear reduction structure is arranged, and in order to enable the worm gear reduction structure to be meshed better, the worm gear reduction mechanism needs to be ground during the assembly of the P/DP-EPS. At present, the P/DP-EPS worm gear speed reducing mechanism running-in mode that usually adopts is through artifical running-in, at first fixes worm gear speed reducing mechanism, installs the steering wheel at the input, rotates the steering wheel and realizes running-in to worm gear, but because there is not load in this in-process, running-in effect is limited, and if carry out the load to the spare part through helping hand lifting motor, workman's operation will be very laborious, machining efficiency will be seriously reduced.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the technical problems, the invention provides a worm gear running-in device of a steering gear, which provides a load for a wheel shaft through a load driving piece so as to achieve the requirement of fully running-in of a worm gear before assembly.
2. Technical proposal
In order to solve the problems, the technical scheme provided by the invention is as follows: the utility model provides a steering gear worm wheel and worm running-in device, includes first driving piece, worm, clamping mechanism, second driving piece and load driving piece, clamping mechanism includes worm wheel, shaft, connecting cover and meshing enclasping subassembly, worm one end and worm wheel meshing, the worm other end is connected with first driving piece, shaft and worm wheel coaxial coupling, the meshing enclasping subassembly is installed inside the connecting cover, second driving piece drive meshing enclasping subassembly and shaft meshing, load driving piece is connected with the second driving piece.
Optionally, the meshing is embraced the subassembly and is enclosed the frame and install at spacing rack that encloses the frame inside including spacing, spacing encloses the frame and is equipped with the through-hole that supplies the shaft to pass, spacing encloses the frame outer wall and is equipped with spacing lug, the flexible end of second driving piece is connected with the deflector, the deflector inner wall is equipped with the recess with spacing lug sliding fit, spacing lug and recess all slope setting to when making second driving piece drive deflector rise, the deflector promotes rack and shaft meshing.
Optionally, the periphery cover of connecting cover is equipped with first casing, the connecting cover is equipped with the logical groove that supplies the deflector to pass, be equipped with first bearing between connecting cover and the first casing.
Optionally, the worm wheel periphery cover is equipped with the second casing, the second casing includes wheel casing and pole shell, the wheel casing is equipped with first appearance chamber and holds the chamber with the second of first appearance chamber intercommunication, the worm wheel is located first appearance chamber, second holds the intracavity perisporium and is equipped with the annular, shaft periphery wall cover is equipped with the second, the second is installed in the annular, the pole shell is equipped with the third appearance chamber that holds the worm, first appearance chamber and third appearance chamber intercommunication.
Optionally, the worm wheel periphery cover is equipped with the second casing, the second casing includes wheel casing and pole shell, the wheel casing is equipped with first appearance chamber and holds the chamber with the second of first appearance chamber intercommunication, the worm wheel is located first appearance chamber, second holds the intracavity perisporium and is equipped with the annular, shaft periphery wall cover is equipped with the second, the second is installed in the annular, the pole shell is equipped with the third appearance chamber that holds the worm, first appearance chamber and third appearance chamber intercommunication.
Optionally, the device further comprises a frame, wherein the frame is provided with a first support and a second support, a first sliding rail is arranged at the top of the first support, a first sliding block in sliding connection with the first sliding rail is arranged at the bottom of the second support, a fourth driving piece is arranged on the first support, the telescopic end of the fourth driving piece is connected with the second support, and a third driving piece is arranged on the second support.
Optionally, the first support is equipped with the pivot, the pivot is connected with the regulating plate group, first driving piece is installed on the regulating plate group, be equipped with the fifth driving piece on the second support, the flexible end and the regulating plate group of fifth driving piece are connected.
Optionally, the regulating plate group includes first regulating plate and second regulating plate, the both sides of first regulating plate are connected with the pivot respectively, the flexible end of fifth driving piece is connected with first regulating plate, first regulating plate is equipped with the second slide rail along width direction, the second regulating plate is equipped with the second slider with second slide rail sliding fit, first driving piece is installed on the second regulating plate.
Optionally, still be equipped with the third regulating plate on the first regulating plate, first regulating plate is equipped with the third slide rail along length direction, the third regulating plate be equipped with third slide rail sliding fit's third slider, install the tight pole in top on the third regulating plate, tight pole in top sets up with the worm is coaxial, tight pole in top is supported with the pole shell activity.
Optionally, a swing arm is arranged between the rotating shaft and the first adjusting plate, one end of the swing arm is connected with the rotating shaft, and the other end of the swing arm is connected with the first adjusting plate.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) According to the steering gear worm wheel and worm running-in device, after the worm wheel and the worm are meshed in place, the first driving piece drives the worm to drive the worm wheel to rotate, the worm wheel drives the wheel shaft to rotate, meanwhile, the second driving piece drives the meshing and enclasping assembly to move towards the wheel shaft, meshing and enclasping are carried out with the wheel shaft in the rotation process of the wheel shaft, the second driving piece is connected with the load driving piece through the coupler, the load is provided for the wheel shaft through the load driving piece, and meanwhile, the first driving piece drives the worm to enable the worm and the worm to move with the load, so that the requirement that the worm and the worm wheel are fully worn in before assembly is achieved.
(2) According to the steering gear worm running-in device, the telescopic end of the second driving piece drives the guide plate to ascend, and the groove and the limiting lug are in inclined sliding fit, so that the groove pushes the limiting lug to horizontally move in the ascending process of the guide plate, and then pushes the limiting enclosing frame to horizontally move, so that the rack is meshed with the wheel shaft, and the load driving piece is convenient to apply load to the wheel shaft through the rack.
(3) The steering gear worm running-in device that this embodiment provided, wheel casing are including the worm wheel protection, when first driving piece and load driving piece all start, and the shaft anticlockwise rotation, the shaft drives the worm wheel and has upward movement's trend, makes the wheel casing have upward movement's trend, and third driving piece drive clamp plate descends and compresses tightly on the lid, prevents that the wheel casing from appearing rocking.
(4) According to the steering gear worm running-in device, the telescopic end of the fifth driving piece drives the adjusting plate group to rotate around the first bracket through extension or shortening, and then the positions of the first driving piece and the worm on the adjusting plate group are adjusted, so that the meshing angle of the worm and the worm wheel is adjusted.
(5) According to the steering gear worm running-in device, the telescopic end of the seventh driving piece is connected with the third adjusting plate, when the first driving piece is connected with the worm, the seventh driving piece drives the third adjusting plate to move along the third sliding rail, so that the jacking rod is jacked on the outer wall of the rod shell, the first driving piece is prevented from shifting in the resistance direction, and the first driving piece and the worm are not on the same axis.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a worm gear running-in device of a steering gear according to an embodiment of the present invention.
Fig. 2 is an exploded view of a clamping mechanism of a worm gear running-in device of a steering gear according to an embodiment of the present invention.
Fig. 3 is a schematic view of an adjusting plate assembly of a worm gear running-in device of a steering gear according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a second housing of the gear and worm running-in device of the steering gear according to the embodiment of the invention.
The marks in the drawings are as follows: 1. a first driving member; 2. a worm; 3. a second driving member; 4. a load driving member; 5. a worm wheel; 6. a wheel axle; 7. a connection cover; 701. a through groove; 8. limiting surrounding frame; 801. a limit bump; 9. a rack; 10. a guide plate; 1001. a groove; 11. a first housing; 12. a wheel housing; 1201. a first cavity; 1202. a second cavity; 1203. a ring groove; 13. a lever housing; 14. a third driving member; 15. a pressing plate; 16. a cover body; 17. a frame; 18. a first bracket; 1801. a first slide rail; 19. a second bracket; 1901. a first slider; 20. a pushing rod is tightly pressed; 21. a first adjustment plate; 2101. a second slide rail; 2102. a third slide rail; 22. a second adjusting plate; 23. a third adjusting plate; 24. swing arms; 25. a rotating shaft.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings and examples.
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present invention, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present invention. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the invention.
Example 1
Referring to fig. 1 and 2, the worm gear and worm running-in device of the steering gear of the embodiment comprises a first driving piece 1, a worm 2, a clamping mechanism, a second driving piece 3 and a load driving piece 4, wherein the clamping mechanism comprises a worm wheel 5, a wheel shaft 6, a connecting cover 7 and a meshing enclasping assembly, one end of the worm 2 is meshed with the worm wheel 5, the other end of the worm 2 is connected with the first driving piece 1, the wheel shaft 6 is coaxially connected with the worm wheel 5, the meshing enclasping assembly is installed inside the connecting cover 7, the second driving piece 3 drives the meshing enclasping assembly to mesh with the wheel shaft 6, and the load driving piece 4 is connected with the second driving piece. After the worm wheel 5 is meshed with the worm 2 in place, the worm 2 is driven by the first driving piece 1 to drive the worm wheel 5 to rotate, the wheel shaft 6 is driven by the worm wheel 5 to rotate, meanwhile, the meshing enclasping assembly is driven by the second driving piece 3 to move towards the wheel shaft 6 and is meshed with the wheel shaft 6 to enclasp in the rotating process of the wheel shaft 6, the second driving piece is connected with the load driving piece 4 through a coupler and provides load for the wheel shaft 6 through the load driving piece 4, and meanwhile, the worm 2 is driven by the first driving piece 1 to enable the worm wheel 5 and the worm 2 to move with the load so as to achieve the requirement that the worm wheel 5 and the worm 2 are fully ground before assembly. The first driving member 1 may be a motor and the second driving member 3 may be a cylinder or a hydraulic cylinder. The load driving member is a magnetic powder brake.
Example 2
With reference to fig. 2, compared with the technical solution of embodiment 1, the steering gear worm running-in device of the present embodiment can be improved as follows: the meshing enclasping assembly comprises a limiting enclosing frame 8 and a rack 9 arranged inside the limiting enclosing frame 8, wherein the limiting enclosing frame 8 is provided with a through hole for a wheel shaft 6 to pass through, the outer wall of the limiting enclosing frame 8 is provided with a limiting projection 801, the telescopic end of the second driving part 3 is connected with a guide plate 10, the inner wall of the guide plate 10 is provided with a groove 1001 which is in sliding fit with the limiting projection 801, and the limiting projection 801 and the groove 1001 are obliquely arranged, so that when the guide plate 10 is driven by the second driving part 3 to ascend, the guide plate 10 pushes the rack 9 to be meshed with the wheel shaft 6. The telescopic end of the second driving piece 3 drives the guide plate 10 to ascend, and as the groove 1001 and the limiting protruding block 801 are in inclined sliding fit, in the ascending process of the guide plate 10, the groove 1001 pushes the limiting protruding block 801 to horizontally move, and then pushes the limiting surrounding frame 8 to horizontally move, so that the rack 9 is meshed with the wheel shaft 6, and the load driving piece 4 is convenient to apply load to the wheel shaft 6 through the rack 9.
Example 3
With reference to fig. 2, compared with the technical solution of embodiment 1 or 2, the steering gear worm running-in device of the present embodiment can be improved as follows: the periphery of the connecting cover 7 is sleeved with a first shell 11, the connecting cover 7 is provided with a through groove 701 for the guide plate 10 to pass through, and a first bearing is arranged between the connecting cover 7 and the first shell 11. The first housing 11 is detachably connected to the second housing. The load driving piece 4 drives the guide plate 10 to rotate through the second driving piece, the guide plate 10 drives the limiting surrounding frame 8 to rotate, the limiting surrounding frame 8 drives to rotate through the rack 9, then the load is applied to the worm wheel 5 and the worm 2, and the supporting seat protects the connecting cover 7 and the meshing enclasping assembly.
Example 4
With reference to fig. 4, compared with any one of the technical schemes in embodiments 1-3, the steering gear worm running-in device of the present embodiment can be improved as follows: the outer periphery of the worm wheel 5 is sleeved with a second shell, the second shell comprises a wheel shell 12 and a rod shell 13, the wheel shell 12 is provided with a first accommodating cavity 1201 and a second accommodating cavity 1202 communicated with the first accommodating cavity 1201, the worm wheel 5 is located in the first accommodating cavity 1201, the inner peripheral wall of the second accommodating cavity 1202 is provided with an annular groove, the outer peripheral wall of the wheel shaft 6 is sleeved with a second bearing, the second bearing is installed in the annular groove, the rod shell 13 is provided with a third accommodating cavity for accommodating the worm 2, and the first accommodating cavity 1201 is communicated with the third accommodating cavity. The second bearing inner ring is sleeved on the outer peripheral wall of the wheel shaft 6, the second bearing outer ring is arranged in the annular groove, so that the wheel shaft 6 is rotationally connected with the wheel casing 12 in the radial direction, and the annular groove is arranged so that the wheel shaft 6 is fixedly connected with the wheel casing 12 in the axial direction.
Example 5
With reference to fig. 1, compared with any one of the technical schemes of embodiments 1 to 4, the steering gear worm running-in device of the present embodiment can be improved as follows: the device further comprises a pressing mechanism, the pressing mechanism comprises a third driving piece 14 and a pressing plate 15 connected with the third driving piece 14, the top of the first accommodating cavity 1201 is covered with a cover body 16, the cover body 16 is detachably connected with the wheel housing 12, and one surface of the cover body 16, which is away from the worm wheel 5, is movably abutted against the pressing plate 15. The wheel housing 12 protects the worm wheel 5, when the first driving piece 1 and the load driving piece 4 are started, the wheel shaft 6 drives the worm wheel 5 to move upwards when the wheel shaft 6 rotates anticlockwise, so that the wheel housing 12 has the upward movement trend, and the third driving piece 14 drives the pressing plate 15 to descend and press on the cover 16, so that the wheel housing 12 is prevented from shaking. The third driver 14 may be a pneumatic cylinder or a hydraulic cylinder.
Example 6
With reference to fig. 1, compared with any one of the technical schemes in embodiments 1 to 5, the steering gear worm running-in device of the present embodiment can be improved as follows: still include frame 17, frame 17 is equipped with first support 18 and second support 19, first support 18 top is equipped with first slide rail 1801, second support 19 bottom is equipped with the first slider 1901 with first slide rail 1801 sliding connection, the fourth driving piece is installed to first support 18, the flexible end and the second support 19 of fourth driving piece are connected, the third driving piece 14 is installed on second support 19. When the device starts to work, the fourth driving piece drives the second bracket 19 to move along the length direction of the first bracket 18, so that the pressing mechanism on the second bracket 19 comes above the cover body 16, and the third driving piece 14 drives the pressing plate 15 to descend until the pressing plate abuts against the cover plate. The fourth driving member may be a pneumatic cylinder or a hydraulic cylinder. The first slide 1801, the first slider 1901, and the fourth drive member may be replaced with linear stepper motors.
Example 7
With reference to fig. 1, compared with any one of the technical schemes of embodiments 1 to 6, the steering gear worm running-in device of the present embodiment can be improved as follows: the first support 18 is provided with a rotating shaft 25, the rotating shaft 25 is connected with an adjusting plate group, the first driving piece 1 is installed on the adjusting plate group, the second support 19 is provided with a fifth driving piece, and the telescopic end of the fifth driving piece is connected with the adjusting plate group. The fifth driving member may be a cylinder or a hydraulic cylinder. The telescopic end of the fifth driving piece drives the adjusting plate group to rotate around the first bracket 18 through extension or shortening, so that the positions of the first driving piece 1 and the worm 2 on the adjusting plate group are adjusted, and the meshing angle of the worm 2 and the worm wheel 5 is adjusted.
Example 8
With reference to fig. 3, compared with any one of the technical schemes of embodiments 1 to 7, the steering gear worm running-in device of the present embodiment can be improved as follows: the adjusting plate group comprises a first adjusting plate 21 and a second adjusting plate 22, two sides of the first adjusting plate 21 are respectively connected with a rotating shaft, the telescopic end of the fifth driving piece is connected with the first adjusting plate 21, the first adjusting plate 21 is provided with a second sliding rail 2101 along the width direction, the second adjusting plate 22 is provided with a second sliding block which is in sliding fit with the second sliding rail 2101, and the first driving piece 1 is installed on the second adjusting plate 22. The width direction herein means a direction perpendicular to the axial direction of the worm 2. The first adjusting plate 21 can be provided with a sixth driving piece, the telescopic end of the sixth driving piece is connected with the second adjusting plate 22, the second adjusting plate 22 moves leftwards or rightwards, and the position where the first driving piece 1 is matched and connected with the worm 2 is adjusted. The sixth driving member may be a cylinder or a hydraulic cylinder. The second slide 2101, the second slider and the sixth driving member can also be replaced by linear stepper motors.
Example 9
With reference to fig. 3, compared with any one of the technical schemes of embodiments 1 to 8, the steering gear worm running-in device of the present embodiment can be improved as follows: the first adjusting plate 21 is further provided with a third adjusting plate 23, the first adjusting plate 21 is provided with a third sliding rail 2102 along the length direction, the third adjusting plate 23 is provided with a third sliding block which is in sliding fit with the third sliding rail 2102, the third adjusting plate 23 is provided with a tightening rod 20, the tightening rod 20 and the worm 2 are coaxially arranged, and the tightening rod 20 is movably abutted to the rod shell 13. The longitudinal direction here means a direction that coincides with the axial direction of the worm 2. The first adjusting plate 21 may be provided with a seventh driving member, where the telescopic end of the seventh driving member is connected to the third adjusting plate 23, and when the first driving member 1 is connected to the worm 2, the seventh driving member drives the third adjusting plate 23 to move along the third sliding rail 2102, so that the tightening rod 20 is pressed against the outer wall of the rod shell 13, and the first driving member 1 is prevented from being offset in the direction of the blocking force, so that the first driving member 1 and the worm 2 are not on the same axis. The seventh driver may be a pneumatic cylinder or a hydraulic cylinder. The third sliding rail 2102, the third slider and the seventh driving member may be replaced by a linear stepping motor.
Example 10
With reference to fig. 1, compared with any one of the technical schemes in embodiments 1 to 9, the worm gear running-in device of the steering gear of the embodiment can be improved as follows: a swing arm 24 is arranged between the rotating shaft and the first adjusting plate 21, one end of the swing arm 24 is connected with the rotating shaft, and the other end of the swing arm 24 is connected with the first adjusting plate 21.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Claims (10)
1. The utility model provides a steering gear worm running-in device, its characterized in that includes first driving piece, worm, clamping mechanism, second driving piece and load driving piece, clamping mechanism includes worm wheel, shaft, connecting cover and meshing enclasping subassembly, worm one end and worm wheel meshing, the worm other end is connected with first driving piece, shaft and worm wheel coaxial coupling, the meshing enclasping subassembly is installed inside the connecting cover, second driving piece drive meshing enclasping subassembly and shaft meshing, load driving piece is connected with the second driving piece.
2. The steering gear worm running-in device according to claim 1, wherein the meshing enclasping assembly comprises a limiting enclosing frame and a rack arranged in the limiting enclosing frame, the limiting enclosing frame is provided with a through hole for a wheel shaft to pass through, the outer wall of the limiting enclosing frame is provided with a limiting convex block, the telescopic end of the second driving piece is connected with a guide plate, the inner wall of the guide plate is provided with a groove which is in sliding fit with the limiting convex block, and the limiting convex block and the groove are obliquely arranged, so that when the second driving piece drives the guide plate to ascend, the guide plate pushes the rack to mesh with the wheel shaft.
3. The steering gear worm running-in device according to claim 2, wherein a first housing is sleeved on the outer periphery of the connecting cover, the connecting cover is provided with a through groove for the guide plate to pass through, and a first bearing is arranged between the connecting cover and the first housing.
4. The steering gear worm gear running-in device according to claim 1, wherein the outer circumferential sleeve of the worm wheel is provided with a second shell, the second shell comprises a wheel shell and a rod shell, the wheel shell is provided with a first containing cavity and a second containing cavity communicated with the first containing cavity, the worm wheel is located in the first containing cavity, the inner circumferential wall of the second containing cavity is provided with an annular groove, the outer circumferential sleeve of the wheel shaft is provided with a second bearing, the second bearing is installed in the annular groove, the rod shell is provided with a third containing cavity for containing a worm, and the first containing cavity is communicated with the third containing cavity.
5. The steering gear worm running-in device according to claim 4, further comprising a pressing mechanism, wherein the pressing mechanism comprises a third driving piece and a pressing plate connected with the third driving piece, a cover body covers the top of the first containing cavity, the cover body is detachably connected with the wheel housing, and one surface of the cover body, which is away from the worm wheel, is movably abutted against the pressing plate.
6. The gear and worm running-in device of a steering gear according to claim 5, further comprising a frame, wherein the frame is provided with a first bracket and a second bracket, a first sliding rail is arranged at the top of the first bracket, a first sliding block in sliding connection with the first sliding rail is arranged at the bottom of the second bracket, a fourth driving piece is mounted on the first bracket, a telescopic end of the fourth driving piece is connected with the second bracket, and the third driving piece is mounted on the second bracket.
7. The steering gear worm running-in apparatus of claim 6, wherein: the first support is provided with a rotating shaft, the rotating shaft is connected with an adjusting plate group, the first driving piece is arranged on the adjusting plate group, the second support is provided with a fifth driving piece, and the telescopic end of the fifth driving piece is connected with the adjusting plate group.
8. The gear and worm running-in device of a steering gear according to claim 7, wherein the adjusting plate group comprises a first adjusting plate and a second adjusting plate, two sides of the first adjusting plate are respectively connected with the rotating shaft, the telescopic end of the fifth driving piece is connected with the first adjusting plate, the first adjusting plate is provided with a second sliding rail along the width direction, the second adjusting plate is provided with a second sliding block in sliding fit with the second sliding rail, and the first driving piece is installed on the second adjusting plate.
9. The steering gear worm running-in device according to claim 8, wherein a third adjusting plate is further arranged on the first adjusting plate, a third sliding rail is arranged on the first adjusting plate along the length direction, a third sliding block which is in sliding fit with the third sliding rail is arranged on the third adjusting plate, a tightening rod is arranged on the third adjusting plate, the tightening rod and the worm are coaxially arranged, and the tightening rod is movably abutted against the rod shell.
10. The gear and worm running-in device of the steering gear according to claim 8, wherein a swing arm is arranged between the rotating shaft and the first adjusting plate, one end of the swing arm is connected with the rotating shaft, and the other end of the swing arm is connected with the first adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311776010.XA CN117620324A (en) | 2023-12-21 | 2023-12-21 | Worm gear running-in device of steering gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311776010.XA CN117620324A (en) | 2023-12-21 | 2023-12-21 | Worm gear running-in device of steering gear |
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| CN117620324A true CN117620324A (en) | 2024-03-01 |
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| CN202311776010.XA Pending CN117620324A (en) | 2023-12-21 | 2023-12-21 | Worm gear running-in device of steering gear |
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| CN115647861A (en) * | 2022-10-20 | 2023-01-31 | 湖南汽车工程职业学院 | Worm gear and worm pair running-in device with adjustable angle |
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