Dynamic adjustment device for monorail vehicle bogie guide wheel contact

The monorail vehicle bogie guide wheel contact dynamic adjustment device solves the problem of poor stability of monorail vehicles on curved sections, realizes adaptive adjustment of the guide wheels, and improves the vehicle's passing performance and stability on curved tracks.

CN117302289BActive Publication Date: 2025-10-17CRRC PUZHEN BOMBARDIER TRANSPORTATION SYST CO LTD
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Patent Information

Application Number
CN202311565307.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-22
Publication Date
2025-10-17
Estimated Expiration
2043-11-22

AI Technical Summary

Technical Problem

When a monorail vehicle passes through a curved section, the turning radius of the rail axle is limited, which causes the vehicle body to tilt more and the stability to decrease.

Method used

A dynamic contact adjustment device for the guide wheel of the monorail vehicle bogie is adopted. Through the cooperation of the adjustment mechanism, adjustment components and reinforcement components, the adaptive adjustment of the guide wheel body is achieved, and the contact force and friction force between the guide wheel and the track are adjusted to adapt to changes in the curved track.

Benefits of technology

It improves the passing performance and stability of monorail vehicles on curved sections, ensuring the smooth operation and safety of vehicles on curved tracks.

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Abstract

The present application belongs to the field of rail transit technology, and discloses a monorail vehicle bogie guide wheel contact dynamic adjusting device, which solves the problem of reduced stability of the existing monorail vehicle when running on a curve. The device comprises a track body, a bogie body is installed on the top of the track body, a guide wheel body is installed at each of the four corners of the bottom of the bogie body, a rotating shaft is installed in the guide wheel body, an adjusting mechanism is installed on the top of the guide wheel body, and the adjusting mechanism comprises a fixed seat. Through the cooperation between the adjusting assembly in the adjusting mechanism and the guide wheel body, and through the extension and retraction amount of the compression spring, the guide wheel body can be self-adaptively adjusted according to the change of the curve radius. Different from the prior art, the device can generate lateral force and friction force on the contact surface of the guide wheel body, so that the monorail vehicle can smoothly pass through the curve track, and the curve passing performance and stability are improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail transit, more particularly, to a monorail vehicle bogie guide wheel contact dynamic adjustment device. BACKGROUND

[0002] A monorail vehicle is a special type of transportation that travels on a single track. Compared to traditional rail systems, monorail vehicles use a narrower single track, often in a herringbone or ladder shape. Monorail vehicles typically consist of a car body, a suspension system, a power transmission system, and a control system.

[0003] A monorail vehicle bogie is one of the key components on a monorail vehicle, used to support the vehicle's suspension system and achieve steering function. It is usually composed of bearings, suspension arms, knuckles, and connecting rods, and includes a frame, traction devices, foundation brake devices, damping devices, gearboxes, stabilizing wheels, guide wheels, and running wheels on the monorail vehicle bogie.

[0004] The inventor found that when a monorail vehicle travels through a curved section, the driving of the monorail vehicle is limited by the turning radius of the single track. When the monorail vehicle needs to turn, the track cannot be adjusted as flexibly as a double-track vehicle, resulting in an increase in the inclination of the car body and a decrease in stability. SUMMARY

[0005] To solve the above problems, the present application provides a monorail vehicle bogie guide wheel contact dynamic adjustment device.

[0006] The monorail vehicle bogie guide wheel contact dynamic adjustment device provided by the present application adopts the following technical solution:

[0007] The monorail vehicle bogie guide wheel contact dynamic adjustment device comprises a track body, a bogie body is installed on the top of the track body, a guide wheel body is installed at each of the four corners of the bottom of the bogie body, a rotating shaft is installed inside the guide wheel body, an adjustment mechanism is installed on the top of the guide wheel body, the adjustment mechanism comprises a fixed seat, the rotating shaft is rotatably connected between the ball and the fixed seat, and an adjustment assembly is installed on one side of the guide wheel body.

[0008] Through the above technical solution, adaptive adjustment of the guide wheel body can be achieved.

[0009] Further, a stabilizing wheel is installed at the middle position on both sides of the bottom of the bogie body, a running wheel is rotatably connected at the middle position inside the bogie body, the running wheel is driven by a driving mechanism, an adjustment assembly is installed at the bottom of the adjustment assembly, and a reinforcing assembly is installed between the adjustment assembly and the rotating shaft.

[0010] Through the technical scheme, the single-track vehicle can be driven.

[0011] Further, the adjusting assembly comprises an adjusting seat fixedly connected between the bogie body, an inner part of the adjusting seat is provided with a hidden groove, a sliding rod is slidably connected in the hidden groove, one end of the sliding rod is rotatably connected with a fixing sleeve through a movable frame, one end of the movable frame is rotatably connected with the sliding rod, the other end of the movable frame is rotatably connected with the fixing sleeve, the fixing sleeve is rotatably connected with the rotating shaft, and a compression spring is installed in the hidden groove.

[0012] Through the technical scheme, the guiding wheel body can be adjusted.

[0013] Further, the adjusting assembly comprises an adjusting seat fixedly connected between the bogie body, an inner part of the adjusting seat is provided with a hidden groove, a sliding rod is slidably connected in the hidden groove, one end of the sliding rod is rotatably connected with a fixing sleeve through a movable frame, one end of the movable frame is rotatably connected with the sliding rod, the other end of the movable frame is rotatably connected with the fixing sleeve, the fixing sleeve is rotatably connected with the rotating shaft, and a compression spring is installed in the hidden groove.

[0014] Through the technical scheme, the contact force between the guiding wheel body and the track body can be adjusted.

[0015] Further, two sides of the bottom of the hidden groove are provided with through openings, and a visual glass is installed in the through openings.

[0016] Through the technical scheme, the state of the compression spring can be observed.

[0017] Further, the reinforcing assembly comprises a fixing block fixedly connected with the fixing sleeve, one end of the fixing block is movably connected with a sliding block through a movable rod, the cross section of the sliding block is T-shaped, one end of the movable rod is rotatably connected with the fixing block, and the other end of the movable rod is rotatably connected with the sliding block, and the bottom of the adjusting seat is provided with a limiting groove for sliding of the sliding block.

[0018] Through the technical scheme, the stability of the component connection can be improved.

[0019] Further, two fixing blocks are provided, and the two fixing blocks are respectively installed at two ends of the bottom of the fixing sleeve.

[0020] Through the technical scheme, the stability of the use of the guiding wheel body is further improved.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] (1) The present application can improve the passing ability and stability of monorail vehicle when driving on curve, by setting the guide wheel body and adjusting mechanism, by adjusting the cooperation between the adjusting assembly and the guide wheel body in the adjusting mechanism, by the extension amount of the compression spring, the guide wheel body can be self-adapted to adjust according to the change of curve radius, which is different from the prior art, the device can generate lateral force and friction force on the contact surface of the guide wheel body, so that the monorail vehicle can smoothly pass through the curve track, and the curve passing performance and stability are improved;

[0023] (2) The present application can adjust the contact force of the guide wheel body, by setting the guide wheel body, adjusting mechanism and adjusting assembly, by moving the one end position of the compression spring by the push plate in the adjusting assembly, the contact force between the guide wheel body and the track body is adjusted, which is different from the prior art, the device can realize dynamic adjustment of the contact of the guide wheel body, and the stability of the monorail vehicle during operation is ensured;

[0024] (3) The present application can ensure the stability of the connection of each component, by setting the guide wheel body, adjusting assembly and reinforcing assembly, by sliding between the sliding block and the limiting groove in the reinforcing assembly, the position of the fixing sleeve is further fixed, the stability of the guide wheel body when the state of the guide wheel body changes during curve driving is ensured, and the stability of the connection between each component is improved by installing the reinforcing assembly between the adjusting mechanism and the guide wheel body, the safety of the component during operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure schematic diagram of the present application;

[0026] Figure 2 It is the overall top view structure schematic diagram of the present application;

[0027] Figure 3 It is the guide wheel body and adjusting mechanism schematic diagram of the present application;

[0028] Figure 4 It is the adjusting mechanism side view structure schematic diagram of the present application;

[0029] Figure 5 It is the adjusting assembly structure schematic diagram of the present application;

[0030] Figure 6 It is the Figure 1 Enlarged structure schematic diagram of A in the present application;

[0031] Figure 7 It is the Figure 5 Enlarged structure schematic diagram of B in the present application;

[0032] Figure 8 It is the adjusting assembly and reinforcing assembly structure schematic diagram of the present application.

[0033] In the figure: 1, track body; 2, bogie body; 201, guide wheel body; 2011, rotating shaft; 202, stabilizing wheel; 203, walking wheel; 3, adjusting mechanism; 301, fixed seat; 302, ball; 303, adjusting assembly; 3031, adjusting seat; 30311, hidden groove; 3032, sliding rod; 3033, movable frame; 3034, fixed sleeve; 3035, compression spring; 4, adjusting assembly; 401, mounting seat; 402, threaded rod; 4021, handle; 403, threaded sleeve; 404, limiting sliding groove; 405, push plate; 406, through opening; 4061, visual glass; 5, reinforcing assembly; 501, fixed block; 502, movable rod; 503, sliding block; 504, limiting groove. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] Reference Figures 1-8 The monorail vehicle bogie guide wheel contact dynamic adjusting device comprises a track body 1, referring to Figures 1-7 A bogie body 2 is installed on the top of the track body 1, guide wheel bodies 201 are installed at four corners of the bottom of the bogie body 2, a safety support body is installed in the guide wheel body 201, a rotating shaft 2011 is installed in the guide wheel body 201, stabilizing wheels 202 are installed at the middle positions of the two sides of the bottom of the bogie body 2, a walking wheel 203 is rotationally connected to the middle position in the bogie body 2, the walking wheel 203 is driven by a driving mechanism, an adjusting mechanism 3 is installed on the top of the guide wheel body 201, the adjusting mechanism 3 comprises a fixed seat 301, the fixed seat 301 is fixedly connected between the bogie body 2, the rotating shaft 2011 is rotationally connected between the fixed seat 301 and the ball 302, two-thirds of the ball 302 is inside the fixed seat 301, so as to support the ball 302, the rotating shaft 2011 and the guide wheel body 201, and an adjusting assembly 303 is installed on one side of the guide wheel body 201;

[0036] The adjusting assembly 303 comprises an adjusting seat 3031 fixedly connected between the bogie body 2, an inner part of the adjusting seat 3031 is provided with a hidden groove 30311, the hidden groove 30311 is slidably connected with a sliding rod 3032, one end of the sliding rod 3032 is rotatably connected with a fixing sleeve 3034 through a movable frame 3033, one end of the movable frame 3033 is rotatably connected with the sliding rod 3032, the other end of the movable frame 3033 is rotatably connected with the fixing sleeve 3034, the fixing sleeve 3034 is rotatably connected with the rotating shaft 2011, and the hidden groove 30311 is provided with a compression spring 3035;

[0037] When the monorail vehicle is running, the driving mechanism drives the walking wheel 203 to realize the running of the monorail vehicle on the track body 1, the contact between the stabilizing wheel 202 and the track body 1 improves the stability of the monorail vehicle when running, and the guide wheel body 201 guides the running of the monorail vehicle, when encountering a curved road, the contact force between the guide wheel body 201 and the track body 1 changes. At this time, the adjusting mechanism 3 changes according to the radius of the curved path of the track body 1, and after the guide wheel body 201 is subjected to the change of the curved path of the track body 1, the rotating shaft 2011 and the ball 302 are driven to move linearly at the bottom of the fixing seat 301, and the fixing sleeve 3034, the movable frame 3033 and the sliding rod 3032 are synchronously moved, and the compression spring 3035 is stretched. At the same time, the elastic deformation of the compression spring 3035 can absorb the unevenness and impact load from the track body 1, improve the stability and safety of the running of the monorail vehicle, and further through the cooperation between the adjusting assembly 303 and the guide wheel body 201 in the adjusting mechanism 3, the extension and contraction of the compression spring 3035 enables the guide wheel body 201 to adaptively adjust according to the change of the curved radius. When the lateral force and friction force generated on the contact surface of the guide wheel body 201, the monorail vehicle can smoothly pass through the curved track, and the curved passing performance and stability are improved.

[0038] Referring to Figures 1-8 The bottom of the adjusting assembly 303 is provided with an adjusting assembly 4, the adjusting assembly 4 comprises a mounting seat 401 fixedly connected with the middle position of the bottom of the adjusting seat 3031, the inner part of the mounting seat 401 is rotatably connected with a threaded rod 402, one end of the threaded rod 402 is fixedly connected with a handle 4021, the outer side wall of the threaded rod 402 is threadedly connected with a threaded sleeve 403, the bottom of the adjusting seat 3031 is provided with a limiting sliding groove 404 for sliding of the threaded sleeve 403, one end of the threaded sleeve 403 is fixedly connected with a push plate 405, the push plate 405 is slidably connected with the hidden groove 30311, the push plate 405 is fixedly connected with the compression spring 3035, both sides of the bottom of the hidden groove 30311 are provided with a through hole 406, and the inner part of the through hole 406 is provided with a visual glass 4061.

[0039] When the contact force between the guide wheel body 201 and the track body 1 is adjusted, the handle 4021 is manually rotated to drive the threaded rod 402 to rotate in the interior of the mounting seat 401, and through the rotation of the threaded rod 402 in the threaded sleeve 403, the push plate 405 is driven to displace in the interior of the dark groove 30311 under the limiting of the limiting sliding groove 404, and the compression spring 3035 is pulled, and the stretching state of the compression spring 3035 is observed through the visual glass 4061, so as to judge the contact state between the guide wheel body 201 and the track body 1, and then through the movement of the push plate 405 to the position of one end of the compression spring 3035 in the adjusting assembly 4, the adjustment of the contact force between the guide wheel body 201 and the track body 1 is realized, so that the contact dynamic adjustment of the guide wheel body 201 is realized, and the stability of the monorail vehicle during operation is ensured.

[0040] With reference to Figures 4-8 The reinforcing assembly 5 is installed between the adjusting assembly 303 and the rotating shaft 2011, the reinforcing assembly 5 comprises two fixed blocks 501, the two fixed blocks 501 are respectively installed at the two ends of the bottom of the fixed sleeve 3034, the fixed blocks 501 are fixedly connected with the fixed sleeve 3034, the fixed blocks 501 are not in contact with each other and are not in the movement track of the rotating shaft 2011, so as to ensure the stable operation between the components, one end of the fixed block 501 is movably connected with a sliding block 503 through a movable rod 502, the cross section of the sliding block 503 is T-shaped, one end of the movable rod 502 is rotatably connected with the fixed block 501, the other end of the movable rod 502 is rotatably connected with the sliding block 503, and the bottom of the adjusting seat 3031 is provided with a limiting groove 504 for the sliding of the sliding block 503;

[0041] When the guide wheel body 201 drives the rotating shaft 2011 and the fixed sleeve 3034 to move, the fixed block 501 is also driven to move, and when the fixed block 501 moves, the movable rod 502 is also driven to move, and the sliding block 503 is driven to slide to the middle position in the limiting groove 504, and through the sliding between the sliding block 503 and the limiting groove 504 in the reinforcing assembly 5, the position of the fixed sleeve 3034 is further fixed, so as to ensure the stability of the guide wheel body 201 when the state of the guide wheel body 201 changes during curve driving, and through the installation of the reinforcing assembly 5 between the adjusting mechanism 3 and the guide wheel body 201, the stability of the connection between the components is improved, and the safety of the components during operation is ensured.

[0042] Working principle: first, when the monorail vehicle is running, the driving mechanism drives the walking wheel 203 to realize the running of the monorail vehicle on the track body 1, and the contact between the stabilizing wheel 202 and the track body 1 improves the stability of the monorail vehicle when running, and the guide wheel body 201 guides the monorail vehicle to run, when encountering curve road, the contact force between the guide wheel body 201 and the track body 1 will change. At this time, the adjusting mechanism 3 will change according to the radius of the curve path of the track body 1, and the guide wheel body 201 is driven by the curve path change of the track body 1 to drive the shaft 2011 and the ball 302 to move linearly at the bottom of the fixed seat 301, and drive the fixed sleeve 3034, the movable frame 3033 and the slide rod 3032 to move synchronously, and stretch the compression spring 3035. At the same time, the elastic deformation of the compression spring 3035 can absorb the unevenness and impact load from the track body 1, improve the stability and safety of the monorail vehicle operation, and then through the cooperation between the adjusting assembly 303 in the adjusting mechanism 3 and the guide wheel body 201, the extension and contraction of the compression spring 3035 can make the guide wheel body 201 adapt to the change of curve radius. When the lateral force and friction force generated on the contact surface of the guide wheel body 201, the monorail vehicle can smoothly pass through the curve track, and the curve passing performance and stability are improved.

[0043] Then, when adjusting the contact force between the guide wheel body 201 and the track body 1, manually rotating the handle 4021 drives the threaded rod 402 to rotate in the inside of the mounting seat 401, and through the rotation of the threaded rod 402 in the threaded sleeve 403, under the limiting of the limiting sliding groove 404, the push plate 405 is driven to displace in the inside of the dark groove 30311, and the compression spring 3035 is pulled, and the stretching state of the compression spring 3035 is observed through the visual glass 4061, so as to judge the contact state between the guide wheel body 201 and the track body 1, and then through the movement of the push plate 405 to the one end position of the compression spring 3035 in the adjusting assembly 4, the adjustment of the contact force between the guide wheel body 201 and the track body 1 is realized, so as to realize the dynamic adjustment of the contact of the guide wheel body 201, and ensure the stability of the monorail vehicle when running.

[0044] Finally, the guide wheel body 201 drives the rotating shaft 2011 and the fixed sleeve 3034 to move, and at the same time, the fixed block 501 is driven to move, and at the same time, the movable rod 502 is pulled to move, and the sliding block 503 is driven to slide to the middle position in the limiting groove 504, and through the sliding between the sliding block 503 and the limiting groove 504 in the reinforcing assembly 5, the position of the fixed sleeve 3034 is further fixed, the stability of the guide wheel body 201 is ensured when the state of the guide wheel body 201 changes during curve driving, and through the installation of the reinforcing assembly 5 between the adjusting mechanism 3 and the guide wheel body 201, the stability of the connection between the components is improved, and the safety of the components during operation is ensured.

[0045] In summary, the monorail vehicle bogie guide wheel contact dynamic adjustment device has the characteristics of simple structure, convenient and fast operation, self-adaptation to curve tracks, improved curve passing performance and stability of the monorail vehicle, and positive promotion effect on the development of urban rail transit.

[0046] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0047] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, or can be connected between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] It is to be noted that, in the present text, relationaiy terms such as first and second and the like can merely be used to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process or method.

[0049] In addition, the structures not introduced in the present application are all adopted from the prior art, which do not involve the design gist and improvement direction of the present application, and the above content belongs to the technical cognition range of the inventor. Since the technical content in the field is vast and too complex, the above content of the present application does not necessarily constitute the prior art.

[0050] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A monorail vehicle bogie guide wheel contact dynamic adjustment device, comprising a track body (1), characterized in that: A bogie body (2) is mounted on the top of the track body (1), a guide wheel body (201) is mounted at each of the four corners of the bottom of the bogie body (2), a rotating shaft (2011) is mounted inside the guide wheel body (201), an adjustment mechanism (3) is mounted on the top of the guide wheel body (201), the adjustment mechanism (3) comprises a fixed seat (301), the rotating shaft (2011) is rotatably connected to the fixed seat (301) via a sphere (302), and an adjustment component (303) is mounted on one side of the guide wheel body (201); Stabilizing wheels (202) are installed at the middle positions on both sides of the bottom of the bogie body (2); a running wheel (203) is rotatably connected to the middle position inside the bogie body (2); the running wheel (203) is driven by a driving mechanism; an adjusting component (4) is installed at the bottom of the adjusting component (303); and a reinforcing component (5) is installed between the adjusting component (303) and the rotating shaft (2011); The adjustment assembly (303) comprises an adjustment seat (3031), the adjustment seat (3031) being fixedly connected to the bogie body (2), a dark groove (30311) being provided inside the adjustment seat (3031), a sliding rod (3032) being slidably connected inside the dark groove (30311), one end of the sliding rod (3032) being rotatably connected to a fixed sleeve (3034) via a movable frame (3033), one end of the movable frame (3033) being rotatably connected to the sliding rod (3032), the other end of the movable frame (3033) being rotatably connected to the fixed sleeve (3034), the fixed sleeve (3034) being rotatably connected to the rotating shaft (2011), and a compression spring (3035) being installed inside the dark groove (30311).

2. The monorail vehicle bogie guide wheel contact dynamic adjustment device according to claim 1, characterized in that: The adjustment assembly (4) comprises a mounting seat (401), wherein the mounting seat (401) is fixedly connected to the middle position of the bottom of the adjustment seat (3031), a threaded rod (402) is rotatably connected to the inside of the mounting seat (401), one end of the threaded rod (402) is fixedly connected to a handle (4021), an outer wall of the threaded rod (402) is threadedly connected to a threaded sleeve (403), a limiting sliding groove (404) for the threaded sleeve (403) to slide is provided at the bottom of the adjustment seat (3031), one end of the threaded sleeve (403) is fixedly connected to a push plate (405), the push plate (405) is slidably connected to the hidden groove (30311), and the push plate (405) is fixedly connected to the compression spring (3035).

3. The monorail vehicle bogie guide wheel contact dynamic adjustment device according to claim 2, characterized in that: Through openings (406) are provided on both sides of the bottom of the dark groove (30311), and visual glass (4061) is installed inside the through openings (406).

4. The monorail vehicle bogie guide wheel contact dynamic adjustment device according to claim 2, characterized in that: The reinforcement assembly (5) comprises a fixed block (501), wherein the fixed block (501) is fixedly connected to the fixed sleeve (3034), one end of the fixed block (501) is movably connected to the sliding block (503) via a movable rod (502), the cross section of the sliding block (503) is T-shaped, one end of the movable rod (502) is rotatably connected to the fixed block (501), and the other end of the movable rod (502) is rotatably connected to the sliding block (503), and a limiting groove (504) for sliding of the sliding block (503) is provided at the bottom of the adjustment seat (3031).

5. The monorail vehicle bogie guide wheel contact dynamic adjustment device according to claim 4, characterized in that: Two fixing blocks (501) are provided, and the two fixing blocks (501) are respectively installed at two ends of the bottom of the fixing sleeve (3034).

Citation Information

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