Idle wheel servo press-fitting and clearance detection integrated device of tensioner

Abstract

The utility model belongs to the technical field of idle wheels, and particularly relates to an idle wheel servo press fitting and clearance detection integrated device of a tensioner, which comprises a device body, the device body is provided with a pressing assembly through a support, the device body is rotatably connected with a gear ring and gears distributed in a circumferential array mode through a bearing seat, the gear ring is connected with the gears in a meshed mode, and the pressing assembly is arranged on the device body. According to the idle wheel servo press fitting and clearance detection integrated device, the gear ring and the clamping plates are arranged in the idle wheel servo press fitting and clearance detection integrated device, the gears are driven to rotate at the same time in a gear ring rotating mode, and therefore the idle wheel servo press fitting and clearance detection integrated device is convenient to operate. In this way, the placing position of the idle wheel can be effectively adjusted, the axis of the idle wheel can be conveniently aligned with the axis of the pressing head, the jacking position of the pressing head in descending can be corrected, and the pressing head is prevented from falling off. And the accuracy of idle wheel deformation detection data is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of idler wheels, in particular to an idler wheel servo press-fitting and clearance detection integrated device for a tensioner. Background Art

[0002] An idler gear is a gear that plays a transmission role between two transmission gears that do not touch each other. It meshes with these two gears at the same time and is used to change the rotation direction of the passive gear to make it the same as the driving gear. Its function is only to change the direction of rotation and cannot change the transmission ratio, so it is called an idler gear.

[0003] After extensive searching, it was found that: China Utility Model Patent Column: Publication No. CN 207668837 U discloses a servo press-fitting and clearance detection integrated machine for the idler wheel of the tensioner, including a frame, a control panel is provided on one side of the top of the frame, control buttons and a display screen are provided on the control panel, and a microcomputer electrically connected to the control buttons and the display screen is provided in the control panel; a workbench is provided in the middle of the frame, four columns are provided on the workbench, and the four columns jointly fix a top plate, and a servo electric cylinder with a telescopic rod facing downward and passing through the top plate is provided on the top plate; a pressure sensor is provided at the end of the telescopic rod, and a movable plate is provided at the lower part of the pressure sensor, and a pressure head is provided at the lower part of the movable plate; a light rod is fixedly provided on the top of the frame, and both sides of the movable plate are slidably installed on the light rod; the device can improve the accuracy of strictly controlling pressure and displacement during the press-fitting process of the product, but the placement position of the idler wheel before press-fitting cannot be centered, resulting in deviation in the installation of the idler wheel, which will affect the supporting position of the pressure head when it descends, and cause deviations in the detection of the deformation of the idler wheel and affect the accuracy. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides an integrated servo press-fit and clearance detection device for an idler wheel of a tensioner, which solves the problem of deviation in idler wheel deformation detection in the current integrated servo press-fit and clearance detection device for a tensioner.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] The idler servo press-fit and clearance detection integrated device of the tensioner includes a device body, wherein the device body is provided with a pressing assembly through a bracket, and a gear ring and gears distributed in a circumferential array are rotatably connected to the device body through a bearing seat, and the gear ring is meshingly connected to the gear, and a slide groove is provided on the device body at a corresponding position relative to each gear, and a rack rod is slidably connected in the slide groove, and each rack rod is respectively meshingly connected to each gear, and a splint is fixedly connected to the rack rod.

[0009] Furthermore, a tenon groove is provided on the clamping plate, a tenon rod is plugged into the tenon groove, and a resisting plate is fixedly connected to the tenon rod.

[0010] Furthermore, the pressing assembly includes a hydraulic rod, a pressure head and a pressure sensor. The hydraulic rod is arranged on a top plate fixedly connected in the bracket, and the movable end of the hydraulic rod is fixedly connected to the pressure sensor. A movable plate is arranged at the lower part of the pressure sensor, and the bottom of the movable plate is fixedly connected to the pressure head.

[0011] Furthermore, a controller is provided on the device body, and control buttons and a display screen are provided on the controller.

[0012] Furthermore, a worm wheel and a worm screw which are meshed with each other are rotatably connected to the device body via a bearing seat, and one side of the worm wheel is fixedly connected to one side of the gear ring.

[0013] Furthermore, a through threaded hole is provided in the upper portion of the abutment plate, a threaded rod is threadedly connected in the threaded hole, and a threaded groove is provided on the inner wall of the tenon groove and is threadedly connected to the movable end of the threaded rod.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an idler pulley servo press-fit and clearance detection integrated device for the tensioner, which has the following beneficial effects:

[0016] The utility model provides a gear ring and a clamping plate in the integrated device for servo press-fitting and clearance detection of an idler wheel, and utilizes the rotation of the gear ring to drive each gear to rotate simultaneously, so that each gear utilizes its own rack rod to drive each clamping plate to move in the same direction toward the center area. The above method can effectively adjust the placement position of the idler wheel, thereby aligning the axis center of the idler wheel with the axis center of the pressure head, so that the supporting position of the pressure head when it descends can be corrected, thereby improving the accuracy of the idler wheel deformation detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model as a whole;

[0018] Figure 2 It is a front view structural schematic diagram of the utility model as a whole;

[0019] Figure 3 It is a three-dimensional schematic diagram of the matching of the gear ring, gear and splint of the utility model;

[0020] Figure 4 It is a three-dimensional schematic diagram of the contact plate of the utility model.

[0021] In the figure: 1. device body; 2. resistance plate; 3. clamping plate; 4. top plate; 5. hydraulic rod; 6. slide groove; 7. controller; 8. worm; 9. pressure head; 10. movable plate; 11. pressure sensor; 12. mortise and tenon; 13. rack rod; 14. gear; 15. worm wheel; 16. gear ring; 17. tenon rod; 18. threaded rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figures 1 to 4 As shown, an idler servo press-fit and clearance detection integrated device for a tensioner proposed in an embodiment of the utility model comprises a device body 1, the device body 1 is provided with a pressing assembly through a bracket, a gear ring 16 and a circumferential array of gears 14 are rotatably connected to the device body 1 through a bearing seat, the gear ring 16 is meshed with the gear 14, a slide groove 6 is provided on the device body 1 and at a corresponding position relative to each gear 14, a rack rod 13 is slidably connected in the slide groove 6, each rack rod 13 is respectively meshed with each gear 14, and a clamping plate 3 is fixedly connected to the rack rod 13;

[0025] Put the idler wheel on the platform, and make each clamp plate 3 located on the outside of the clamp plate 3, then rotate the gear ring 16, the gear ring 16 drives each gear 14 to rotate together, each gear 14 drives its own rack rod 13 to slide in each slide groove 6, and each rack rod 13 will drive each clamp plate 3 to approach and contact the idler wheel at the same time, so as to adjust the placement position of the idler wheel so that the axis of the idler wheel is aligned with the axis of the pressure head 9.

[0026] like Figure 3 and Figure 4 As shown, in some embodiments, a tenon groove 12 is provided on the clamping plate 3, a tenon rod 17 is plugged and connected to the tenon groove 12, and the tenon rod 17 is fixedly connected to the abutment plate 2;

[0027] Through the mortise and tenon connection between the tenon rod 17 and the abutment plate 2 , the height of the clamping plate 3 can be adjusted by using the abutment plate 2 .

[0028] like Figure 2As shown, in some embodiments, the pressing assembly includes a hydraulic rod 5, a pressure head 9 and a pressure sensor 11, the hydraulic rod 5 is arranged on a top plate 4 fixedly connected in the bracket, and the movable end of the hydraulic rod 5 is fixedly connected to the pressure sensor 11, and a movable plate 10 is arranged at the lower part of the pressure sensor 11, and the bottom of the movable plate is fixedly connected to the pressure head 9;

[0029] The hydraulic rod 5 is drivingly connected to the hydraulic pump, and the hydraulic pump is electrically connected to the controller 7 .

[0030] like Figure 3 As shown, in some embodiments, a controller 7 is provided on the device body 1, and the controller 7 is provided with control buttons and a display screen.

[0031] like Figure 3 As shown, in some embodiments, the device body 1 is rotatably connected to a worm wheel 15 and a worm 8 that are meshed with each other through a bearing seat, and one side of the worm wheel 15 is fixedly connected to one side of the gear ring 16;

[0032] By rotating the worm 8 , the worm 8 drives the gear ring 16 to rotate via the worm wheel 15 .

[0033] like Figure 4 As shown, in some embodiments, a through threaded hole is provided on the upper portion of the abutment plate 2, a threaded rod 18 is threadedly connected in the threaded hole, and a threaded groove is provided on the inner wall of the tenon groove 12 of the clamping plate 3 to be threadedly connected to the movable end of the threaded rod 18;

[0034] By rotating the threaded rod 18 , the movable end of the threaded rod 18 is threadedly connected to the thread groove, so that the abutment plate 2 can be fixed on the clamping plate 3 .

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated device for servo press-fitting and clearance detection of an idler pulley of a tensioner, comprising a device body (1), wherein the device body (1) is provided with a pressing assembly through a bracket, and characterized in that: The device body (1) is rotatably connected to a gear ring (16) and gears (14) distributed in a circumferential array via a bearing seat; the gear ring (16) is meshingly connected to the gears (14); a slide groove (6) is provided on the device body (1) at a corresponding position relative to each gear (14); a rack rod (13) is slidably connected in the slide groove (6); each rack rod (13) is respectively meshingly connected to each gear (14); and a clamping plate (3) is fixedly connected to the rack rod (13).

2. The idler pulley servo press-fit and clearance detection integrated device of the tensioner according to claim 1, characterized in that: A tenon groove (12) is provided on the clamping plate (3), a tenon rod (17) is plugged into the tenon groove (12), and a contact plate (2) is fixedly connected to the tenon rod (17).

3. The idler pulley servo press-fit and clearance detection integrated device of the tensioner according to claim 1, characterized in that: The pressing assembly comprises a hydraulic rod (5), a pressure head (9) and a pressure sensor (11); the hydraulic rod (5) is arranged on a top plate (4) fixedly connected in a bracket, and a movable end of the hydraulic rod (5) is fixedly connected to the pressure sensor (11); a movable plate (10) is arranged at the lower part of the pressure sensor (11), and the bottom of the movable plate is fixedly connected to the pressure head (9).

4. The idler pulley servo press-fit and clearance detection integrated device of the tensioner according to claim 1, characterized in that: The device body (1) is provided with a controller (7), and the controller (7) is provided with control buttons and a display screen.

5. The idler pulley servo press-fit and clearance detection integrated device of the tensioner according to claim 1, characterized in that: A worm wheel (15) and a worm (8) are rotatably connected to the device body (1) via a bearing seat and are meshed with each other. One side of the worm wheel (15) is fixedly connected to one side of the gear ring (16).

6. The idler pulley servo press-fit and clearance detection integrated device of the tensioner according to claim 2, characterized in that: A through threaded hole is provided on the upper part of the abutment plate (2), a threaded rod (18) is threadedly connected in the threaded hole, and a threaded groove is provided on the inner wall of the tenon groove (12) of the clamping plate (3) and is threadedly connected to the movable end of the threaded rod (18).

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