Clamping device for rail transit oil pipe

The rotating rod system driven by the snap-fit ​​base and rotating disk, combined with the design of the arc-shaped side plate and telescopic spring, solves the cumbersome fixing and maintenance problems of rail transit oil pipes, realizes convenient installation and efficient maintenance, and provides stable and buffer protection.

CN223953481UActive Publication Date: 2026-02-27BEIJING KANGWEI HEAVY IND MACHINERY MFG CO LTD
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Patent Information

Application Number
CN202520678558.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-27
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The existing process of fixing and maintaining rail transit oil pipelines is cumbersome and lacks buffer protection, resulting in low maintenance and repair efficiency.

Method used

The design employs a snap-fit ​​base, rotating plate, arc-shaped side plate, and snap-fit ​​assembly. The relative movement of the rotating rod and movable block driven by the rotating disk enables convenient clamping and buffer protection of the oil pipe, while the telescopic spring and arc-shaped clamp provide a stable snap-fit.

Benefits of technology

It enables convenient installation and disassembly of oil pipes, improves maintenance and repair efficiency, and provides effective buffer protection to ensure the stability and safety of oil pipes during transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of rail transit oil pipes, which comprises a clamping base, a rotating plate is fixedly mounted at the top of the clamping base, a rotating shaft of the rotating plate is movably connected with an arc-shaped side plate for clamping and limiting a rail transit oil pipe body, and a clamping assembly for pushing and clamping the arc-shaped side plate is arranged in the clamping base. The clamping assembly comprises movable blocks movably arranged at the two ends of the interior of the clamping base, rotating rods are movably connected to the two ends of the interior of the clamping base through bearings, positive and negative threads are arranged at the two ends of each rotating rod, the rotating rods are connected with the movable blocks on the positive and negative threads in a threaded penetrating mode, and hinge rods are movably connected between the movable blocks and the arc-shaped side plates through hinge pieces. The rotating disc drives the movable blocks at the two ends of the rotating rod to move relatively under the action of the limiting rods and the positive and negative threads, the movable blocks push the arc-shaped side plates on the rotating plate in the relative movement process through cooperation of the hinge pieces and the hinge rods and the movable grooves, and the rail transit oil pipe body is clamped and connected through the arc-shaped side plates.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of rail transit oil pipe, especially a rail transit oil pipe clamping device. BACKGROUND

[0002] In the rail transit system, many devices such as the braking system and power system of the train need lubricating oil or hydraulic oil to ensure their normal operation. The oil pipe is responsible for transporting these oil liquids from the storage device to the required parts, playing the role of lubrication, cooling and power transmission, etc. For example, in the braking system of the subway train, the hydraulic oil is transmitted to the braking device through the oil pipe, so as to realize the precise braking of the train. In the rail transit system, the layout and installation of the oil pipe need to be carefully designed. They are usually laid along the track, tunnel wall or vehicle bottom, etc. to ensure that the oil liquid can be smoothly transported to each device. At the same time, the installation position of the oil pipe also needs to consider the convenience of maintenance and repair, so that it can be quickly replaced or repaired when needed.

[0003] At present, when fixing the traffic oil pipe, the assembly is mainly realized by the hoop cooperating with the bolt. However, this assembly method will result in low efficiency of the traffic oil pipe during maintenance and repair. During maintenance and repair, the hoop needs to be opened and then the traffic oil pipe needs to be disassembled. Similarly, the hoop is used to realize the fixation and support during fixation. The back-and-forth operation is complicated, and the hoop also does not have a certain buffer protection for the oil pipe. Therefore, we propose a rail transit oil pipe clamping device. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a rail transit oil pipe clamping device.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a clamping base is arranged, a rotating plate is fixedly installed at the top of the clamping base, an arc-shaped side plate for clamping and limiting the rail transit oil pipe body is movably connected with the rotating plate through a rotating shaft, a clamping assembly for pushing and clamping the arc-shaped side plate is arranged inside the clamping base, and the clamping assembly comprises movable blocks movably arranged at both ends inside the clamping base.

[0006] Bearings are movably connected with rotating rods at both ends inside the clamping base, the rotating rods are provided with forward and reverse threads at both ends, the rotating rods are threadedly connected with the movable blocks on the forward and reverse threads, and a hinge rod is movably connected between the movable blocks and the arc-shaped side plate through a hinge piece.

[0007] Preferably, mounting plates are fixedly welded and installed around the bottom of the clamping base, the rotating rods extend through the clamping base to the outside of the clamping base, and rotating discs are fixedly installed at the top ends of the rotating rods.

[0008] Preferably, the clamping base is internally fixedly provided with a limiting rod, both ends of the movable block are movably penetrated in the limiting rod, and the top of the clamping base is provided with a movable slot, and the hinged rod is movably penetrated in the movable slot.

[0009] Preferably, the inner side of the arc-shaped side plate is provided with a buffer groove, a plurality of extension springs are fixedly arranged at the bottom of the buffer groove, arc-shaped clamping plates are fixedly arranged between the top of the extension springs, and the arc-shaped clamping plates are movably arranged between the arc-shaped side plates.

[0010] Preferably, the inner side of the arc-shaped clamping plate is fixedly provided with a protective pad made of rubber, the arc-shaped side plates are symmetrically movably arranged at the two sides of the rail transit oil pipe body, and the number of the hinged rods is four.

[0011] Preferably, the movable blocks are symmetrically movably arranged at both ends of the clamping base, and the mounting plate is provided with mounting holes.

[0012] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0013] 1. The movable blocks at both ends of the rotating rod are relatively moved under the action of the limiting rod and the forward and reverse threads, the arc-shaped side plates on the rotating plate are pushed by the movable blocks in the relative movement process through the cooperation of the hinged pieces, the hinged rods and the movable slots, the arc-shaped side plates are used for clamping and connecting the rail transit oil pipe body, and the operation is simple.

[0014] 2. When the arc-shaped side plates are used for clamping the rail transit oil pipe body, the rail transit oil pipe body is buffered and protected by the cooperation of the extension springs in the arc-shaped side plate buffer grooves and the arc-shaped clamping plates, and the rail transit oil pipe body is reinforced and clamped by the force storage reaction force of the extension springs on the inner side of the arc-shaped clamping plate.

[0015] 3. The movable blocks at both ends of the rotating rod are oppositely moved under the action of the limiting rod and the forward and reverse threads by operating the rotating disc, the arc-shaped side plates on the rotating plate are pulled by the movable blocks in the opposite movement process through the cooperation of the hinged pieces, the hinged rods and the movable slots, the arc-shaped side plates on the rotating plate are unfolded, and the rail transit oil pipe body can be conveniently and quickly taken out for maintenance and repair. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the hinged rod of the utility model;

[0018] Figure 3 It is a structure schematic view of the inside of the clamping base of the utility model;

[0019] Figure 4 It is a structural schematic view of the arc-shaped side plate of the utility model.

[0020] Among them: 10, the clamping base; 11, the mounting plate; 12, the mounting hole; 13, the movable slot; 14, the rotary disc; 20, the arc-shaped side plate; 21, the rotating plate; 22, the protective pad; 23, the rail transit oil pipe body; 24, the buffer groove; 25, the extension spring; 26, the arc-shaped clamping plate; 30, the movable block; 31, the rotating rod; 32, the articulated rod; 33, the articulated piece; 34, the limiting rod; 35, the positive and negative threads. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model and are not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The experimental methods in the following embodiments are conventional methods, and the materials, reagents, etc. used in the following embodiments are commercially available unless otherwise specified.

[0022] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , including the clamping base 10, the top of the clamping base 10 is fixedly installed with the rotating plate 21, the rotating plate 21 is rotatably connected with the arc-shaped side plate 20 for clamping and limiting the rail transit oil pipe body 23, the clamping base 10 is internally provided with a clamping assembly for pushing and clamping the arc-shaped side plate 20, the clamping assembly includes the movable block 30 movably arranged in the clamping base 10 at both ends, the clamping base 10 is internally rotatably connected with the rotating rod 31 at both ends through the bearing, the rotating rod 31 is provided with the positive and negative threads 35 at both ends, the rotating rod 31 is threadedly connected with the movable block 30 on the positive and negative threads 35, and the movable block 30 and the arc-shaped side plate 20 are movably connected with the articulated rod 32 through the articulated piece 33.

[0023] The rotating disc 14 drives the movable blocks 30 at both ends of the rotating rod 31 to realize relative movement under the action of the limiting rods 34 and the forward and reverse threads 35, the movable blocks 30 push the arc-shaped side plates 20 on the rotating plate 21 in the relative movement process through the hinge pieces 33 and the hinge rods 32 cooperating with the movable grooves 13, the arc-shaped side plates 20 clamp and connect the rail transit oil pipe body 23, the rotating disc 14 drives the movable blocks 30 at both ends of the rotating rod 31 to realize opposite movement under the action of the limiting rods 34 and the forward and reverse threads 35, the movable blocks 30 pull the arc-shaped side plates 20 on the rotating plate 21 in the opposite movement process through the hinge pieces 33 and the hinge rods 32 cooperating with the movable grooves 13, and the arc-shaped side plates 20 on the rotating plate 21 are unfolded to conveniently and quickly take out and maintain and overhaul the rail transit oil pipe body 23.

[0024] Referring to Figure 1 , Figure 2 and Figure 3 , the mounting plates 11 are welded and fixedly installed around the bottom of the clamping base 10, the rotating rod 31 extends to the outside of the clamping base 10, the rotating disc 14 is fixedly installed at the top end of the rotating rod 31, the limiting rods 34 are fixedly installed in the clamping base 10, the movable blocks 30 are movably penetrated into the limiting rods 34 at both ends, the movable grooves 13 are formed in the top of the clamping base 10, and the hinge rods 32 are movably penetrated into the movable grooves 13.

[0025] The movable blocks 30 at both ends of the rotating rod 31 are caused to move relatively or oppositely through the limiting rods 34 cooperating with the forward and reverse threads 35, and then the arc-shaped side plates 20 are conveniently assembled and disassembled to the rail transit pipe body, and the movement of the arc-shaped side plates 20 is linked with the movable blocks 30 through the movement of the hinge rods 32 in the movable grooves 13.

[0026] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the buffer grooves 24 are formed in the inner sides of the arc-shaped side plates 20, the arc-shaped side plates 20 are fixedly installed with a plurality of extension springs 25 at the bottom of the buffer grooves 24, the arc-shaped clamping plates 26 are fixedly installed between the top portions of the extension springs 25, the arc-shaped clamping plates 26 are movably arranged between the arc-shaped side plates 20, the rubber protective pads 22 are fixedly installed on the inner sides of the arc-shaped clamping plates 26, the arc-shaped side plates 20 are movably arranged on both sides of the rail transit oil pipe body 23, the number of the hinge rods 32 is four groups, the movable blocks 30 are movably arranged at both ends inside the clamping base 10, and the mounting holes 12 are formed in the mounting plates 11.

[0027] The outer periphery of the rail transit oil pipe body 23 is protected through the arc-shaped clamping plates 26 cooperating with the protective pads 22, and the rail transit oil pipe body 23 is clamped and connected through the force storage reaction force of the extension springs 25 in the arc-shaped clamping plates 26.

[0028] Working principle: the rail transit oil pipe body 23 is placed between the arc-shaped side plates 20, then the rotating disc 14 is operated to drive the movable blocks 30 at both ends of the rotating rod 31 to realize relative movement under the action of the limiting rods 34 and the forward and reverse threads 35, the movable blocks 30 push the arc-shaped side plates 20 on the rotating plate 21 through the cooperation of the hinged pieces 33 and the hinged rods 32 with the movable grooves 13 during the relative movement, the arc-shaped side plates 20 clamp and connect the rail transit oil pipe body 23, and the operation is simple;

[0029] When the arc-shaped side plates 20 clamp and connect the rail transit oil pipe body 23, the extension springs 25 in the arc-shaped side plates 20 cooperate with the arc-shaped clamping plates 26 to realize buffering protection for the rail transit oil pipe body 23, and the counteraction of the extension springs 25 realizes stable clamping and supporting;

[0030] The movable blocks 30 at both ends of the rotating rod 31 realize opposite movement under the action of the limiting rods 34 and the forward and reverse threads 35 by operating the rotating disc 14, the movable blocks 30 pull the arc-shaped side plates 20 on the rotating plate 21 through the cooperation of the hinged pieces 33 and the hinged rods 32 with the movable grooves 13 during the opposite movement, and the arc-shaped side plates 20 on the rotating plate 21 are unfolded to conveniently and quickly take out and maintain and overhaul the rail transit oil pipe body 23.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A rail transit oil pipe connector device, comprising a connector base (10), characterized in that, The top of the clamping base (10) is fixedly provided with a rotating plate (21), the rotating plate (21) is movably connected with an arc-shaped side plate (20) for clamping and limiting the rail transit oil pipe body (23), the clamping base (10) is internally provided with a clamping assembly for pushing and clamping the arc-shaped side plate (20), and the clamping assembly comprises a movable block (30) movably arranged at both ends in the clamping base (10). Both ends of the clamping base (10) are movably connected with a rotating rod (31) through bearings, the rotating rod (31) is provided with a right thread and a left thread (35) at both ends, the rotating rod (31) is threadedly connected with the movable block (30) on the right thread and the left thread (35), and the movable block (30) and the arc-shaped side plate (20) are movably connected with a hinged rod (32) through a hinge (33).

2. The rail transit oil pipe coupling device according to claim 1, characterized in that, The bottom of the clamping base (10) is peripherally welded and fixedly provided with a mounting plate (11), the rotating rod (31) extends through the clamping base (10) to the outside, and the top end of the rotating rod (31) is fixedly provided with a rotating disc (14).

3. The rail transit oil pipe coupling device according to claim 1, characterized in that, The clamping base (10) is internally fixedly provided with a limiting rod (34), both ends of the movable block (30) movably extend through the limiting rod (34), and the top of the clamping base (10) is provided with a movable groove (13), and the hinged rod (32) movably extends through the movable groove (13).

4. The rail transit oil pipe coupling device according to claim 1, characterized in that, The inner side of the arc-shaped side plate (20) is provided with a buffer groove (24), and a plurality of extension springs (25) are fixedly arranged at the bottom of the buffer groove (24) of the arc-shaped side plate (20), the top of the extension springs (25) is fixedly provided with an arc-shaped clamping plate (26), and the arc-shaped clamping plate (26) movably extends between the arc-shaped side plates (20).

5. The rail transit oil pipe coupling device according to claim 1, characterized in that, The inner side of the arc-shaped clamping plate (26) is fixedly provided with a protective pad (22) made of rubber, the arc-shaped side plates (20) are symmetrically movable at both sides of the rail transit oil pipe body (23), and the number of the hinged rods (32) is four.

6. The rail transit oil pipe coupling device according to claim 2, characterized in that, The movable block (30) is symmetrically movable at both ends in the clamping base (10), and the mounting plate (11) is provided with a mounting hole (12).