Aperture detection device for angular contact ball bearing

By designing a caliber detection device for angular contact ball bearings, automatic rotation and probe height adjustment are achieved, solving the problems of inconvenient operation and insufficient accuracy in the existing detection process, and improving the accuracy and convenience of detection.

CN223376616UActive Publication Date: 2025-09-23CHANGZHOU CRONOS SPECIAL BEARING MFG
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Patent Information

Application Number
CN202422863583.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-24
Publication Date
2025-09-23
Estimated Expiration
2034-11-24

AI Technical Summary

Technical Problem

During the existing inspection process of angular contact ball bearings, manual clamping and manual rotation are required, which makes the operation inconvenient and the probe height is fixed, affecting the measurement accuracy.

Method used

A caliber detection device is designed. Through probe contact detection combined with measuring instrument pointer deflection, the automatic rotation of the angular contact ball bearing and the probe height adjustment are realized to improve the detection accuracy.

Benefits of technology

The operating process is simplified and the accuracy and convenience of angular contact ball bearing detection are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a caliber detection device for an angular contact ball bearing, and relates to the technical field of bearing detection. The device comprises a measuring assembly. The measuring assembly comprises an operation table, L-shaped rods are symmetrically connected to the top of the operation table in a penetrating and sliding mode, the opposite ends of the two L-shaped rods are jointly and fixedly connected with a first arc-shaped plate, a plurality of probes are connected to the side face of the periphery of the first arc-shaped plate in a penetrating and threaded mode, a measuring instrument is fixedly connected to the top of the operation table, and the measuring instrument is electrically connected with each probe. According to the utility model, through rotation of the angular contact ball bearing, the probe completes detection of the peripheral side surface of the aperture of the angular contact ball bearing, and through contact detection of the probe, whether the aperture of the angular contact ball bearing meets the production requirement and height adjustment of the probe are judged through cooperation with observation of the vertical deflection size of the pointer on the measuring instrument. And the probe is used for detecting the diameters of the outer walls of the angular contact ball bearing at different heights, so that the detection accuracy is improved, the operation is simple, and the pushing is easy.
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Description

Technical Field

[0001] The utility model belongs to the technical field of bearing detection, in particular to a caliber detection device for angular contact ball bearings. Background Art

[0002] Angular contact ball bearings can withstand both radial and axial loads and operate at higher speeds. A larger contact angle increases the axial load capacity. High-precision and high-speed bearings typically use a 15° contact angle. Under axial forces, the contact angle increases. During the production process, angular contact ball bearings are inspected using measuring instruments to determine if they meet production standards.

[0003] Currently, the inspection process requires manual clamping and rotation of angular contact ball bearings to ensure a complete inspection. This makes the operation inconvenient. Furthermore, the probe height on the inspection instrument is fixed, which results in a fixed measurement height for the angular contact ball bearings, thus affecting measurement accuracy. To address this issue, we have developed a caliber inspection device for angular contact ball bearings to address these issues. Utility Model Content

[0004] The purpose of the utility model is to provide a caliber detection device for angular contact ball bearings, which enables the probe to complete the detection of the outer peripheral side of the angular contact ball bearing caliber through the rotation of the angular contact ball bearing, and judges whether the caliber of the angular contact ball bearing meets the production requirements and the height adjustment of the probe through the contact detection of the probe and the observation of the vertical size of the pointer deflection on the measuring instrument, so that the probe can detect the outer wall diameters of the angular contact ball bearing at different heights, thereby improving the detection accuracy. The utility model is simple to operate and easy to push, and solves the problems of the existing detection process that the angular contact ball bearing needs to be manually clamped and fixed, and the angular contact ball bearing needs to be manually rotated to realize the detection of a circle of the measuring instrument, which makes the operation inconvenient, and the probe height on the detection instrument is fixed, which leads to the fixed measurement height of the angular contact ball bearing, thereby affecting the measurement accuracy.

[0005] In order to solve the above technical problems, the present invention is implemented through the following technical solutions: the present invention is a caliber detection device for angular contact ball bearings, including a measuring assembly; the measuring assembly includes an operating table, the top of the operating table is symmetrically and slidingly connected with an L-shaped rod, the opposite ends of the two L-shaped rods are commonly fixedly connected with a first arc plate, the outer peripheral side of the first arc plate is threadedly connected with a plurality of probes, the top of the operating table is fixedly connected with a measuring instrument, and the measuring instrument and each probe are electrically connected; a lifting plate located below the operating table is fixedly connected between the two L-shaped rods, the bottom of the operating table is rotatably connected to a screw rod threadedly connected to the lifting plate, and the bottom end of the screw rod is slidably inserted with an insertion rod; the top of the operating table rotates to cooperate The top end of the second disc is fixedly connected to the top of the operating table, and the top end of the second disc is fixedly connected to the ear plate, and the first disc is fixedly connected between the two ear plates. The top of the first disc is provided with a plurality of first slide grooves in a circumferential array, and the inside of the first slide groove is slidably connected to a slide rod, and the top end of the slide rod is fixedly connected to a support plate, and one side of the support plate is fixedly connected to a second arc plate, and the outer circumferential side surface of the second arc plate is evenly embedded with balls connected by bearings; the circumferential side surfaces of the plurality of slide rods are slidably matched with a second disc slidably connected to the first disc, and the top of the second disc is penetrated by a key groove that slides and cooperates with the slide rod, and the bottom end of the slide rod is fixedly connected with a stop plate that slides in contact with the bottom of the second disc.

[0006] The utility model is further configured such that the measuring assembly also includes a plurality of support columns fixedly connected to the bottom of the operating table, a base is fixedly connected between the plurality of support columns, a first annular groove is provided on the top of the operating table for slidingly engaging with the two push rods, a knob plate is fixedly connected to the peripheral side surface of the probe, a plurality of card slots are provided on the peripheral side surface of the insertion rod, and a second annular groove is provided on the peripheral side surface of the insertion rod.

[0007] The utility model is further configured such that a plurality of sliding columns are fixedly connected to the bottom of the first disc at a position deviating from the center of the circle, a plurality of arc-shaped grooves that slide with the sliding columns are provided on the top of the second disc, a first threaded hole and a second threaded hole are provided on the bottom of the first disc at a position deviating from the center of the circle, and a bolt that threadably cooperates with the first threaded hole and the second threaded hole is threadedly connected to the bottom of the second disc.

[0008] The utility model is further configured such that a driving assembly is fixedly fitted on the top of the base, the driving assembly includes a motor fixedly connected to the top of the base, the driving end of the motor is fixedly connected to a rotating shaft passing through the operating table, and the top end of the rotating shaft is fixedly fitted with the second disc.

[0009] The utility model is further configured such that an electric push rod is fixedly connected to the bottom of the operating table, an L-shaped connecting rod is fixedly connected to the output end of the electric push rod, and a collar that rotatably cooperates with the second annular groove is fixedly connected to the end of the L-shaped connecting rod.

[0010] The utility model is further configured such that the top of the base is rotatably connected to a rotating rod, the peripheral side of the rotating rod is fixedly connected to a first sprocket, the peripheral side of the rotating shaft is fixedly connected to a second sprocket, and a chain is meshed between the first sprocket and the second sprocket.

[0011] The utility model is further configured such that the top end of the rotating rod is fixedly connected to a sleeve, a plurality of clamping rods that are slidably connected to the peripheral side of the sleeve and engage with the clamping slot are passed through, one end of the clamping rod located on the outside of the sleeve is fixedly connected to a limiting plate, and a spring mounted on the clamping rod is fixedly connected between the limiting plate and the sleeve.

[0012] The utility model has the following beneficial effects: 1. The utility model simultaneously sleeves the angular contact ball bearings on several supporting plates, and then controls the second disc to rotate so that the slide bar moves along the keyway on the second disc to the axis of the angular contact ball bearing, and then drives the supporting plate and the second arc plate to move to the inner peripheral side of the angular contact ball bearing through the slide bar, thereby completing the fixation and positioning of the angular contact ball bearing, and then screws the probe to make the probe fit on the outer wall of the angular contact ball bearing, and then calibrates the measuring instrument to zero, and then controls the second disc to rotate so that the second disc rotates through the first disc, and then drives the angular contact ball bearing to rotate, and through the rotation of the angular contact ball bearing, the probe completes the detection of the outer peripheral side of the angular contact ball bearing aperture, and through the contact detection of the probe and the vertical size of the pointer deflection on the measuring instrument, it is judged whether the aperture of the angular contact ball bearing meets the production requirements.

[0013] 2. The utility model controls the lifting plate to move upward or downward, thereby driving the first arc plate to move upward or downward through the L-shaped rod, thereby driving the probe to move upward or downward, thereby completing the height adjustment of the probe, so that the probe can detect the outer wall diameters of angular contact ball bearings at different heights, thereby improving the accuracy of the detection, simple operation, and easy to push.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 The figure is a schematic structural diagram of a caliber detection device for angular contact ball bearings.

[0017] Figure 2 for Figure 1 Schematic diagram of the front plan structure.

[0018] Figure 3 It is a structural schematic diagram of the measuring component in the utility model.

[0019] Figure 4 for Figure 3 Schematic diagram of the partial front view plane structure.

[0020] Figure 5 for Figure 4 Schematic diagram of the three-dimensional structure.

[0021] Figure 6 It is a structural schematic diagram of the clamping assembly in the utility model.

[0022] Figure 7 It is a structural schematic diagram of the connection between the middle support plate and the second curved plate of the present invention.

[0023] Figure 8 This is a schematic structural diagram of the first disc in the present utility model.

[0024] Figure 9 This is a schematic structural diagram of the second disc in the present invention.

[0025] Figure 10 It is a structural diagram of the driving component in the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0027] 1- measuring assembly, 101- operating table, 102- L-shaped rod, 103- first arc plate, 104- probe, 105- measuring instrument, 106- lifting plate, 107- screw rod, 108- plug rod, 109- support column, 110- base, 111- first annular groove, 112- knob plate, 113- slot, 114- second annular groove, 2- clamping assembly, 201- ejector rod, 202- ear plate, 203- first disc, 204- first slide groove, 205- slide rod, 206- support plate, 207- first Two arc-shaped plates, 208-ball, 209-second disc, 210-keyway, 211-retaining plate, 212-sliding column, 213-arc-shaped groove, 214-first threaded hole, 215-second threaded hole, 216-bolt, 3-drive assembly, 301-motor, 302-rotating shaft, 303-electric push rod, 304-L-shaped connecting rod, 305-ring, 306-rotating rod, 307-first sprocket, 308-second sprocket, 309-sleeve, 310-clamping rod, 311-limiting plate, 312-spring. DETAILED DESCRIPTION

[0028] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] For specific embodiment 1, please refer to Figure 1-10The utility model is a caliber detection device for angular contact ball bearings, comprising a measuring assembly 1; the measuring assembly 1 comprises an operating table 101, the top of the operating table 101 is symmetrically penetrated and slidably connected to an L-shaped rod 102, the opposite ends of the two L-shaped rods 102 are fixedly connected to a first arc plate 103, the outer peripheral side of the first arc plate 103 is penetrated and threadedly connected to a plurality of probes 104, the top of the operating table 101 is fixedly connected to a measuring instrument 105, the measuring instrument 105 and each probe 104 are electrically connected; a lifting plate 106 located below the operating table 101 is fixedly connected between the two L-shaped rods 102, and a screw rod 107 threadedly connected to the lifting plate 106 is rotatably connected to the bottom of the operating table 101. The bottom end of the screw rod 107 is slidably inserted with an insertion rod 108 (a cylindrical groove is provided at the bottom of the screw rod 107 to slide with the insertion rod 108, and a limit groove is symmetrically provided on the inner peripheral side of the cylindrical groove. The peripheral side of the insertion rod 108 is symmetrically fixedly connected with a limit groove that slides with the limit groove. The top of the operating table 101 is rotatably matched with a clamping assembly 2, which includes a top rod 201 symmetrically slidably connected to the top of the operating table 101, a lug 202 fixedly connected to the top of the top rod 201, a first disc 203 fixedly connected between the two lugs 202, a plurality of first chutes 204 in a circular array are provided on the top of the first disc 203, a slide rod 205 is slidably connected inside the first slide rod 204, and a support plate 20 is fixedly connected to the top of the slide rod 205. 6. A second curved plate 207 is fixedly connected to one side of the support plate 206, and balls 208 connected through bearings are evenly embedded on the outer peripheral side of the second curved plate 207; the peripheral side surfaces of several slide rods 205 are slidably matched with a second disc 209 slidably connected to the first disc 203, and a key groove 210 is penetrated at the top of the second disc 209 for sliding cooperation with the slide rod 205, and the bottom end of the slide rod 205 is fixedly connected to a plate 211 that is in sliding contact with the bottom of the second disc 209.

[0030] The operation process of this embodiment is as follows: first, the angular contact ball bearings are simultaneously sleeved on a plurality of support plates 206, then the second disc 209 is controlled to rotate, so that the slide bar 205 moves along the key groove 210 on the second disc 209 to the axis of the angular contact ball bearing, and then the slide bar 205 drives the support plate 206 and the second arc plate 207 to move to the inner peripheral side of the angular contact ball bearing, thereby completing the fixing and positioning of the angular contact ball bearing, and then the probe 104 is screwed to make the probe 104 fit the outer wall of the angular contact ball bearing, and then the measuring Measuring instrument 105 is zeroed (measuring instrument 105 is an instrument used to detect bearing diameters, which is prior art and will not be elaborated on here). The second disc 209 is then controlled to rotate, causing the second disc 209 to rotate via the first disc 203, thereby driving the angular contact ball bearing to rotate. The rotation of the angular contact ball bearing allows probe 104 to complete the inspection of the outer peripheral side of the angular contact ball bearing's diameter. The contact detection by probe 104, combined with the vertical deflection of the pointer on measuring instrument 105, determines whether the angular contact ball bearing's diameter meets production requirements.

[0031] By controlling the lifting plate 106 to move upward or downward, the first curved plate 103 is driven to move upward or downward through the L-shaped rod 102, thereby driving the probe 104 to move upward or downward, thereby completing the height adjustment of the probe 104, so that the probe 104 can detect the outer wall diameters of angular contact ball bearings at different heights, thereby improving the accuracy of the detection, simple operation, and easy promotion.

[0032] For specific embodiment 2, please refer to Figure 1-10 On the basis of the first specific embodiment, the measuring assembly 1 also includes a plurality of support columns 109 fixedly connected to the bottom of the operating table 101, a base 110 is fixedly connected between the plurality of support columns 109, a first annular groove 111 is provided on the top of the operating table 101, and the two push rods 201 are slidably matched. The circumferential side surface of the probe 104 is fixedly connected to a knob plate 112, the circumferential side surface of the insertion rod 108 is provided with a plurality of slots 113, and the circumferential side surface of the insertion rod 108 is provided with a second annular groove 114. The bottom of the first disc 203 is fixedly connected to a plurality of sliding columns 212 at a position deviating from the center of the circle, and the top of the second disc 209 is provided with a plurality of arc grooves 213 that slidably match the sliding columns 212. The bottom of the first disc 203 is provided with a first threaded hole 214 and a second threaded hole 215 at a position deviating from the center of the circle. The bottom of the second disc 209 is threadedly connected to a bolt 216 that is threadedly matched with the first threaded hole 214 and the second threaded hole 215.

[0033] The operating process of this embodiment is as follows: when the angular contact ball bearing needs to be fixed or disassembled, the bolt 216 needs to be screwed first to disengage the bolt 216 from the first threaded hole 214 or the second threaded hole 215, so that the second disc 209 is in an adjustable state. After the adjustment is completed, the bolt 216 is screwed into the first threaded hole 214 or the second threaded hole 215 accordingly, thereby completing the locking of the first disc 203, and then completing the locking of the second curved plate 207, thereby ensuring the stability of the second curved plate 215 clamping the angular contact ball bearing.

[0034] For specific example three, please refer to Figure 1-10 On the basis of the specific embodiment 1 and the specific embodiment 2, the top of the base 110 is fixedly matched with a driving assembly 3, and the driving assembly 3 includes a motor 301 fixedly connected to the top of the base 110, and the driving end of the motor 301 is fixedly connected to a rotating shaft 302 that passes through the operating table 101, and the top of the rotating shaft 302 is fixedly matched with the second disc 209, and the bottom of the operating table 101 is fixedly connected to an electric push rod 303, and the output end of the electric push rod 303 is fixedly connected to an L-shaped connecting rod 304, and the end of the L-shaped connecting rod 304 is fixedly connected to a collar 305 that rotates with the second annular groove 114. 0 is rotatably connected to a rotating rod 306 at the top, a first sprocket 307 is fixedly connected to the peripheral side of the rotating rod 306, a second sprocket 308 is fixedly connected to the peripheral side of the rotating shaft 302, a chain is engaged between the first sprocket 307 and the second sprocket 308, a sleeve 309 is fixedly connected to the top of the rotating rod 306, a plurality of clamping rods 310 that are slidably connected to the peripheral side of the sleeve 309 and are engaged with the clamping slot 113, one end of the clamping rod 310 located outside the sleeve 309 is fixedly connected to a limiting plate 311, and a spring 312 mounted on the clamping rod 310 is fixedly connected between the limiting plate 311 and the sleeve 309.

[0035] The operation process of this embodiment is as follows: by controlling the motor 301 to drive the rotating shaft 302 to rotate, the rotating shaft 302 drives the second disc 209 to rotate, providing power for the rotation of the second disc 209. During the rotation of the rotating shaft 302, the second sprocket 308 is synchronously driven to rotate, and then the first sprocket 307 is driven to rotate through the chain, so that the first sprocket 307 drives the rotating rod 306, and then drives the sleeve 309 to rotate. When it is necessary to adjust the height of the probe 104, the electric pull rod 303 is then started, so that the electric push rod 303 drives the collar 305 downward through the L-shaped connecting rod 304, and then drives the insertion rod 108 to move downward into the straight sleeve 309. Through the engagement of the card slot 113 and the card rod 310, the sleeve 309 rotates, further driving the insertion rod 108 to rotate, and then driving the screw rod 107 to rotate, so that the screw rod 107 drives the lifting plate 106 to move upward or downward, providing power for the movement of the lifting plate 106.

[0036] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0037] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A caliber detection device for an angular contact ball bearing, comprising a measuring assembly (1); characterized in that: The measuring assembly (1) comprises an operating table (101), wherein an L-shaped rod (102) is symmetrically passed through the top of the operating table (101) and is slidably connected thereto, and two opposite ends of the L-shaped rods (102) are fixedly connected to a first arc-shaped plate (103), and a plurality of probes (104) are threadedly passed through the outer peripheral side surface of the first arc-shaped plate (103), and a measuring instrument (105) is fixedly connected to the top of the operating table (101), and the measuring instrument (105) and each probe (104) are electrically connected; A lifting plate (106) located below the operating table (101) is fixedly connected between the two L-shaped rods (102); a screw rod (107) threadedly connected to the lifting plate (106) is rotatably connected to the bottom of the operating table (101); and an insertion rod (108) is slidably inserted at the bottom end of the screw rod (107); The top of the operating table (101) is rotatably engaged with a clamping assembly (2), and the clamping assembly (2) includes a top rod (201) symmetrically slidably connected to the top of the operating table (101), the top of the top rod (201) is fixedly connected to an ear plate (202), a first disc (203) is fixedly connected between the two ear plates (202), a top of the first disc (203) is provided with a plurality of first sliding grooves (204) in a circumferential array, the interior of the first sliding groove (204) is slidably connected to a sliding rod (205), the top of the sliding rod (205) is fixedly connected to a supporting plate (206), a side surface of the supporting plate (206) is fixedly connected to a second arc plate (207), and balls (208) connected by bearings are evenly embedded on the outer peripheral side surface of the second arc plate (207); The peripheral side surfaces of the plurality of slide bars (205) are slidably matched with a second disc (209) slidably connected to the first disc (203); a key groove (210) is provided through the top of the second disc (209) for slidably matching the slide bars (205); and the bottom end of the slide bar (205) is fixedly connected with a stop plate (211) that is in slidable contact with the bottom of the second disc (209).

2. A caliber detection device for angular contact ball bearings according to claim 1, characterized in that: The measuring assembly (1) further comprises a plurality of support columns (109) fixedly connected to the bottom of the operating table (101), a base (110) being fixedly connected between the plurality of support columns (109), a first annular groove (111) being provided on the top of the operating table (101) for sliding engagement with the two push rods (201), a knob plate (112) being fixedly connected to the peripheral side surface of the probe (104), a plurality of slots (113) being provided on the peripheral side surface of the insertion rod (108), and a second annular groove (114) being provided on the peripheral side surface of the insertion rod (108).

3. The caliber detection device for angular contact ball bearings according to claim 2, characterized in that: The bottom of the first disc (203) is fixedly connected to a plurality of sliding posts (212) at a position offset from the center of the circle, the top of the second disc (209) is provided with a plurality of arc grooves (213) that slidably cooperate with the sliding posts (212), the bottom of the first disc (203) is provided with a first threaded hole (214) and a second threaded hole (215) at a position offset from the center of the circle, and the bottom of the second disc (209) is threadedly connected to a bolt (216) that threadably cooperates with the first threaded hole (214) and the second threaded hole (215).

4. The caliber detection device for angular contact ball bearings according to claim 3, characterized in that: A driving assembly (3) is fixedly engaged with the top of the base (110), and the driving assembly (3) includes a motor (301) fixedly connected to the top of the base (110), a driving end of the motor (301) is fixedly connected to a rotating shaft (302) that passes through the operating table (101), and a top end of the rotating shaft (302) is fixedly engaged with the second disc (209).

5. The caliber detection device for angular contact ball bearings according to claim 4, characterized in that: The bottom of the operating table (101) is fixedly connected to an electric push rod (303), the output end of the electric push rod (303) is fixedly connected to an L-shaped connecting rod (304), and the end of the L-shaped connecting rod (304) is fixedly connected to a collar (305) that rotatably engages with the second annular groove (114).

6. The caliber detection device for angular contact ball bearings according to claim 5, characterized in that: The top of the base (110) is rotatably connected to a rotating rod (306), the peripheral side of the rotating rod (306) is fixedly connected to a first sprocket (307), the peripheral side of the rotating shaft (302) is fixedly connected to a second sprocket (308), and a chain is meshed between the first sprocket (307) and the second sprocket (308).

7. The caliber detection device for angular contact ball bearings according to claim 6, characterized in that: The top end of the rotating rod (306) is fixedly connected to a sleeve (309), and a plurality of clamping rods (310) that are slidably connected to the peripheral side of the sleeve (309) and are engaged with the clamping groove (113) are passed through. One end of the clamping rod (310) located outside the sleeve (309) is fixedly connected to a limiting plate (311), and a spring (312) mounted on the clamping rod (310) is fixedly connected between the limiting plate (311) and the sleeve (309).