Screw tightening device on outer side of hub

Abstract

The utility model provides a screw tightening device on the outer side of a hub, which comprises a working table, a supporting frame arranged on the working table, a rotatable bearing frame arranged on the working table, a gear motor arranged at the bottom of the working table and used for driving the bearing frame to rotate, a hydraulic rod arranged on the supporting frame, and a rotatable pressing frame arranged at the telescopic end of the hydraulic rod. A space for containing the hub is formed between the pressing frame and the bearing frame, a pressing assembly is arranged between the bearing frame and the pressing frame, the center position of the hub is pressed through the pressing assembly, and a plurality of sets of fastening assemblies are annularly arranged on the workbench along the circumferential side of the bearing frame. When a screw is tightened through the device, the hub is not prone to moving relative to the pressing frame and the bearing frame in the rotating process, so that hole position deviation is avoided, the whole fixing process is convenient and fast, a worker only needs to place the hub, and the work efficiency of hub spoke bolt fastening is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle hubs, in particular to a screw tightening device for the outer side of a hub. Background Art

[0002] Hub spoke bolts securely connect the spokes to the hub, ensuring the wheel is securely mounted on the vehicle. They withstand the immense pressure and vibration of the vehicle during driving and are a crucial component of wheel securement. When installing hub spoke bolts, ensure the bolt torque meets the manufacturer's specifications. Overtightening or undertightening bolts can pose a safety hazard. Currently, hub spoke bolts are initially installed in the designated position and then tightened using appropriate equipment.

[0003] For example, the Chinese utility model patent with publication number CN215999395U provides a multi-station spoke hub bolt tightening device. The device, through the arrangement of a base plate, a cyclic feeding assembly and an adjustment mechanism, can drive two sets of sleeves to move in the same direction, thereby facilitating the simultaneous tightening of two sets of bolts, and by cooperating with an intermittent transmission mechanism, can meet the needs of automated production.

[0004] However, when using the current wheel hub bolt tightening device, most of them fix the wheel hub to the rotating device through threads. It is not convenient to quickly and stably fix the wheel hub to the rotating device through threaded fixing, which leads to a decrease in the tightening efficiency of the wheel hub bolts. In addition, the wheel hub is prone to relative movement with the rotating device, resulting in hole position deviation. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model proposes a screw tightening device on the outside of the wheel hub to solve the technical problems raised in the above background technology, that is, during the tightening process of the existing wheel hub spoke bolts, it is inconvenient to quickly and stably fix the wheel hub on the rotating device, which leads to a decrease in the tightening efficiency of the wheel hub bolts, and the wheel hub is prone to relative movement with the rotating device, resulting in hole position displacement.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a screw tightening device for the outer side of a wheel hub, comprising:

[0007] A workbench, wherein a support frame is provided on the workbench;

[0008] A receiving frame is rotatably arranged on the workbench, and a reduction motor for driving the receiving frame to rotate is provided at the bottom of the workbench;

[0009] A hydraulic rod is provided on the support frame, a rotatable pressing frame is provided at the telescopic end of the hydraulic rod, and a space for accommodating the wheel hub is formed between the pressing frame and the receiving frame;

[0010] A pressing assembly is provided between the receiving frame and the pressing frame to press the center position of the hub; and

[0011] The fastening components are provided in multiple groups and are arranged on the workbench in a circumferential direction along the circumference of the receiving frame.

[0012] In a preferred embodiment, a receiving ring is provided on the receiving frame, a pressure plate is provided at the bottom of the pressing frame, and the facing surfaces of the receiving ring and the pressure plate are both subjected to anti-slip treatment.

[0013] In a preferred embodiment, the pressing assembly includes:

[0014] A receiving seat, arranged at the center of the receiving frame;

[0015] An abutting rod, an abutting seat being provided at its end, a mounting hole being provided on the pressing frame, and the abutting rod being movably arranged in the mounting hole; and

[0016] An elastic member is arranged between the abutting rod and the mounting hole.

[0017] In a preferred embodiment, a positioning column is provided in the receiving seat, the end of the positioning column is tapered, and the positioning column extends out of the receiving seat.

[0018] In a preferred embodiment, the receiving frame and the pressing frame are both provided with multiple groups of observation ports.

[0019] In a preferred embodiment, the fastening assembly includes:

[0020] A mounting seat, arranged on the workbench;

[0021] an electric telescopic rod, disposed on the mounting base; and

[0022] The driving motor is arranged at the telescopic end of the electric telescopic rod, and a detachable fastening head is provided on the output shaft of the driving motor, and the fastening head matches the wheel hub bolt.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] When the device is in use, the motorcycle wheel hub to be fastened with bolts is placed on the receiving frame, and then the hydraulic rod is controlled to extend to drive the pressing frame to move downward. The pressing frame cooperates with the receiving frame to press the outer side of the wheel hub, and after the hydraulic rod is extended, the center position of the wheel hub is pressed by the pressing assembly, so that the wheel hub can be quickly fixed. By controlling the rotation of the reduction motor, the wheel hub can be driven to rotate stably, and then the bolts on the circumference of the wheel hub are quickly tightened by the fastening assembly. During the rotation of the wheel hub, it is not easy for the pressing frame and the receiving frame to move relative to each other, thereby avoiding deviation of the hole position. The entire fixing process is convenient and fast, and the staff only needs to place the wheel hub, which effectively improves the work efficiency of tightening the wheel hub spoke bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the present invention, the following briefly introduces the drawings required for use in the specific embodiments. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0026] Figure 1 This is a schematic diagram of the three-dimensional structure of a screw tightening device on the outer side of a wheel hub provided by the utility model;

[0027] Figure 2 This is a cross-sectional view of a screw tightening device on the outer side of a wheel hub according to the present invention;

[0028] Figure 3 The utility model is a structural schematic diagram of a fastening component in a screw tightening device on the outer side of a wheel hub.

[0029] Reference numerals:

[0030] 101. Workbench; 102. Support frame;

[0031] 201, receiving frame; 202, receiving ring; 203, receiving seat; 204, positioning column; 205, reduction motor;

[0032] 301, hydraulic rod; 302, pressing frame; 303, pressure plate; 304, abutting rod; 305, abutting seat; 306, mounting hole; 307, elastic member;

[0033] 401. Mounting base; 402. Electric telescopic rod; 403. Driving motor; 404. Fastening head. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technicians in this field can make some non-essential improvements and adjustments to the present invention based on the above application content.

[0035] Example:

[0036] like Figure 1 、 2 As shown, the utility model provides a screw tightening device for the outer side of the wheel hub, including a workbench 101, a support frame 102 is provided on the workbench 101, a receiving frame 201 is rotatably provided on the workbench 101, a reduction motor 205 for driving the receiving frame 201 to rotate is provided at the bottom of the workbench 101, a hydraulic rod 301 is provided on the support frame 102, and a rotatable pressing frame 302 is provided at the telescopic end of the hydraulic rod 301, and a space for accommodating the wheel hub is formed between the pressing frame 302 and the receiving frame 201.

[0037] When tightening the hub spoke bolts, first pre-tighten the bolts on the hub, then place the hub on the receiving frame 201, and then control the hydraulic rod 301 to extend to drive the pressing frame 302 to move downward to fix the hub. The reducing motor 205 can be controlled to start and drive the receiving frame 201 to rotate. During the rotation of the receiving frame 201, the pressing frame 302 can follow the rotation to make the hub rotate as a whole. The hub as a whole is not easy to deviate during the rotation, so that it is convenient to tighten the bolts on the circumference of the hub.

[0038] like Figure 2 As shown, in this embodiment, a receiving ring 202 is provided on the receiving frame 201, and a pressure plate 303 is provided at the bottom of the pressing frame 302. The facing surfaces of the receiving ring 202 and the pressure plate 303 are both anti-slip treated. The provision of the receiving ring 202 and the pressure plate 303 can further secure the wheel hub and prevent the wheel hub from slipping between the receiving ring 202 and the pressure plate 303.

[0039] like Figure 1 、 2 As shown, in this embodiment, a pressing assembly is provided between the receiving frame 201 and the pressing frame 302, and the center position of the wheel hub is pressed by the pressing assembly. The pressing assembly includes a receiving seat 203, an abutment rod 304 and an elastic member 307. The receiving seat 203 is provided at the center of the receiving frame 201, and an abutment seat 305 is provided at the end of the abutment rod 304. A mounting hole 306 is provided on the pressing frame 302, and the abutment rod 304 can be raised and lowered and is provided in the mounting hole 306. The elastic member 307 is provided between the abutment rod 304 and the mounting hole 306.

[0040] By controlling the lowering of the pressing frame 302, the abutment seat 305 abuts against the center of the wheel hub and compresses the elastic member 307, thereby fixing the center position of the wheel hub through the cooperation between the abutment seat 305 and the receiving seat 203, thereby preventing the wheel hub from moving during the tightening of the bolts. At the same time, grooves or ridges matching the center of the wheel hub can be opened on the opposite sides of the abutment seat 305 and the receiving seat 203, thereby effectively preventing the wheel hub from displacing during rotation.

[0041] like Figure 1 、 2 As shown, in this embodiment, a positioning post 204 is provided within the receiving seat 203. The end of the positioning post 204 is tapered and extends outside the receiving seat 203. The positioning post 204 allows for centering of the wheel hub. The tapered end of the positioning post 204 facilitates quick and easy placement of the wheel hub on the receiving seat 203, eliminating the need for manual centering and calibration. Multiple observation ports are provided on both the receiving frame 201 and the pressing frame 302, allowing for monitoring of whether the wheel hub is positioned as intended.

[0042] like Figure 2 、 3 As shown, in this embodiment, a plurality of fastening components are arranged on the workbench 101 and along the circumferential side of the supporting frame 201. The fastening components include a mounting base 401 provided on the workbench 101, an electric telescopic rod 402 provided on the mounting base 401, a drive motor 403 provided at the telescopic end of the electric telescopic rod 402, and a detachable fastening head 404 provided on the output shaft of the drive motor 403, which matches the wheel hub bolt.

[0043] After the wheel hub is fixed, the electric telescopic rod 402 can be controlled to extend and retract to drive the drive motor 403 and the fastening head 404 to move until the fastening head 404 moves to cooperate with the wheel hub bolt, and then the drive motor 403 is controlled to start and drive the fastening head 404 to rotate to quickly tighten the wheel hub bolt.

[0044] Specific usage and beneficial effects of this utility model:

[0045] When the device is in use, the motorcycle wheel hub to be fastened with bolts is placed on the receiving frame 201, and the hydraulic rod 301 is controlled to extend to drive the pressing frame 302 to move downward, and the pressing frame 302 cooperates with the receiving frame 201 to press the outer side of the wheel hub, and after the hydraulic rod 301 is extended, the elastic member 307 cooperates with the receiving seat 203 and the abutting seat 305 to press the center position of the wheel hub, so as to quickly complete the fixation of the wheel hub. By controlling the reduction motor 205 to rotate, the wheel hub can be driven to rotate stably, and then the electric telescopic rod 402 is controlled to extend to make the fastening head 404 match the bolt, and the fastening head 404 is driven to rotate by the driving motor 403 to quickly tighten the bolts on the circumference of the wheel hub. During the rotation of the wheel hub, it is not easy for the pressing frame 302 and the receiving frame 201 to move relative to each other, so as to avoid deviation of the hole position, and the whole fixing process is convenient and fast, and the staff only needs to place the wheel hub, which effectively improves the working efficiency of fastening the wheel hub spoke bolts.

[0046] The above shows and describes the basic principles, main features, and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments. It is obvious to those skilled in the art that modifications or improvements can be made based on the present invention. Therefore, such modifications or improvements made without departing from the spirit of the present invention are within the scope of protection claimed by the present invention.

Claims

1. A screw tightening device for the outer side of a wheel hub, characterized in that: Includes: A workbench (101), wherein a support frame (102) is provided on the workbench (101); A receiving frame (201) is rotatably arranged on the workbench (101), and a reduction motor (205) for driving the receiving frame (201) to rotate is arranged at the bottom of the workbench (101); A hydraulic rod (301) is arranged on the support frame (102); a rotatable pressing frame (302) is provided at the telescopic end of the hydraulic rod (301); a space for accommodating the wheel hub is formed between the pressing frame (302) and the receiving frame (201); A pressing assembly is provided between the receiving frame (201) and the pressing frame (302) to press the center position of the hub; and The fastening components are provided in multiple groups and are arranged on the workbench (101) in a circumferential direction along the circumference of the supporting frame (201).

2. A screw tightening device for the outer side of a wheel hub according to claim 1, characterized in that: The receiving frame (201) is provided with a receiving ring (202), the bottom of the pressing frame (302) is provided with a pressure plate (303), and the opposite surfaces of the receiving ring (202) and the pressure plate (303) are both subjected to anti-slip treatment.

3. A screw tightening device for the outer side of a hub according to claim 1, characterized in that: The pressing assembly includes: A receiving seat (203) is arranged at the center of the receiving frame (201); An abutting rod (304) is provided with an abutting seat (305) at its end, a mounting hole (306) is provided on the pressing frame (302), and the abutting rod (304) is arranged in the mounting hole (306) in a liftable manner; and An elastic member (307) is provided between the abutting rod (304) and the mounting hole (306).

4. A screw tightening device for the outer side of a wheel hub according to claim 3, characterized in that: A positioning column (204) is provided in the receiving seat (203), the end of the positioning column (204) is tapered, and the positioning column (204) extends out of the receiving seat (203).

5. The screw tightening device for the outer side of a wheel hub according to claim 1, characterized in that: The receiving frame (201) and the pressing frame (302) are both provided with multiple groups of observation ports.

6. A screw tightening device for the outer side of a wheel hub according to claim 1, characterized in that: The fastening assembly includes: A mounting seat (401) is provided on the workbench (101); An electric telescopic rod (402) is arranged on the mounting seat (401); and A driving motor (403) is arranged at the telescopic end of the electric telescopic rod (402), and a detachable fastening head (404) is arranged on the output shaft thereof, and the fastening head (404) matches the wheel hub bolt.

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