Cable bridge expansion joint

Abstract

The embodiment of the utility model discloses a cable bridge expansion joint in the technical field of bridge expansion joints. When a cable is installed, an insertion rod and a tension spring are synchronously pulled by pulling a pull block, so that one end of the insertion rod is far away from a first lower pressing plate, the first lower pressing plate and a second lower pressing plate can rotate by taking a pin shaft as a rotating shaft, and after the first lower pressing plate and the second lower pressing plate rotate in the direction of a lead screw nut, the first lower pressing plate and the second lower pressing plate are separated from each other. A cable is placed in the cable bridge, then the first lower pressing plate and the second lower pressing plate are reset, a pull block is loosened, a tension spring drives an insertion rod to be inserted into a hole cavity in one side of the first lower pressing plate, the first lower pressing plate and the second lower pressing plate cannot rotate, and meanwhile rotary knobs on the two sides of the cable bridge are rotated; the reciprocating lead screw is matched with the lead screw nut to drive the third limiting block to move downwards, and the arc-shaped pressing block is synchronously driven to approach the cable and finally abut against the cable.

Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of cable tray expansion joints, and in particular to a cable tray expansion joint. Background Art

[0002] When cable tray wiring needs to span different distances or connect different parts, the cable tray expansion joint acts as a flexible connector. Oil well cables include downhole cables and uphole cables. Uphole cables usually use waterproof cables, high temperature resistant cables and cold resistant cables.

[0003] For example, a seismic cable tray expansion joint device disclosed in Chinese patent application number CN202210904636.3 has the following specific contents: a fixing plate is fixedly installed between the upper surfaces of the first cable tray and the second cable tray on opposite sides, and a rubber block is slidably installed on the inner wall of the first cable tray and the second cable tray close to the fixing plate, and an arc groove is provided on the lower surface of the rubber block, and a tightening bolt is inserted on the upper surface of the fixing plate, and the bottom end of the tightening bolt passes through the upper surface of the fixing plate and is threadedly connected thereto. It has the following technical problems:

[0004] When installing the cables on the oil well, the fixing plate is fixedly installed on the upper surfaces of the first cable tray and the second cable tray, so that when the cables are installed, the cables can only be installed by shuttling through the middle of the first cable tray and the second cable tray, so that the fixed plate is easy to cause wear of the cable sheath during the cable installation, causing damage to the waterproof layer and high temperature resistant layer outside the cable sheath. Utility Model Content

[0005] To this end, an embodiment of the utility model provides a cable tray expansion joint to solve the problem in the prior art that the fixed plate installed is not convenient for installing the cable.

[0006] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0007] A cable tray expansion joint includes a stabilizing component for cooperating with two cable trays to limit the position of cables;

[0008] A connecting assembly is installed at one end of the cable tray, and four connecting assemblies are provided. A bolt for cooperating with the connecting assembly to limit the cable tray is installed in the middle of the connecting assembly.

[0009] A lead screw nut is installed at the middle part of the upper end of the cable tray, and a limiting protrusion is installed on the inner wall of the cable tray.

[0010] The stabilizing component includes a first pressing plate and a second pressing plate for limiting the position of the cable, and the stabilizing component includes a locking component for locking the first pressing plate and the second pressing plate.

[0011] The second lower pressing plate includes an arc-shaped pressing block, one end of which is equipped with a reciprocating screw for cooperating with a screw nut to control the arc-shaped pressing block to move up and down, and the reciprocating screw is symmetrically installed on one side of the first lower pressing plate.

[0012] Furthermore, the bottom wall of the cable tray is arranged in an arc shape, and a drainage groove for water circulation is provided in the middle of the bottom end of the cable tray.

[0013] Furthermore, the first lower pressing plate and the second lower pressing plate have the same size and structure, the lower end of the arc-shaped pressing block is installed with an anti-slip pad for protecting the cable, one side of the arc-shaped pressing block is installed with a limiting block one, and the upper end of the arc-shaped pressing block is installed with a limiting block two for limiting the locking assembly.

[0014] Furthermore, one end of the limit block one is connected to a limit block three for limiting the reciprocating screw, and both ends of the limit block three are installed with pins for cooperating with the limit block one to limit the limit block three.

[0015] Furthermore, a knob for controlling the rotation of the reciprocating screw is installed at the upper end of the reciprocating screw.

[0016] Furthermore, the locking assembly includes an insertion rod, a pulling block for pulling the insertion rod is installed on one side of the insertion rod, and a tension spring for pulling the pulling block is installed on one end of the rod body of the insertion rod.

[0017] Furthermore, the connecting assembly includes a connecting plate 1, a card hole is opened in the middle of the connecting plate 1 for cooperating with the limiting protrusion to limit the connecting plate 1, and a limiting plate is installed at the lower end of the connecting plate 1 for cooperating with the bottom wall of the cable tray to limit the connecting plate 1.

[0018] Furthermore, a connecting plate 2 is installed on one side of the connecting plate 1, a buffer pad is installed on one side of the connecting plate 2, a limiting hole for limiting the bolt is opened in the middle of the buffer pad, and the limiting hole passes through the connecting plate 2.

[0019] The utility model embodiment has the following advantages:

[0020] When installing the cable on the well of the oil field, the pulling block is pulled, and the plug rod and the tension spring are pulled synchronously, so that one end of the plug rod is away from the first lower pressure plate, so that the first lower pressure plate and the second lower pressure plate can be rotated with the pin as the rotating shaft, and the first lower pressure plate and the second lower pressure plate are rotated in the direction of the screw nut, and the cable is placed inside the cable tray, and then the first lower pressure plate and the second lower pressure plate are reset, and the pulling block is released. The tension spring drives the plug rod to insert into the hole cavity on one side of the first lower pressure plate, so that the first lower pressure plate and the second lower pressure plate cannot rotate, and at the same time, the knobs on both sides of the cable tray are rotated, so that the reciprocating screw cooperates with the screw nut to drive the limit block three to move downward, and synchronously drives the arc pressure block to approach the cable, and finally tightens the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0022] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the cable bridge of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the stabilizing component of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the second lower pressing plate of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the locking assembly of the utility model;

[0028] Figure 6 It is a structural schematic diagram of the connection component of the utility model.

[0029] In the figure: 10-bolt, 100-cable tray, 110-drainage trough, 120-screw nut, 130-limiting protrusion;

[0030] 001-Solidification components;

[0031] 200-first lower pressure plate, 300-second lower pressure plate, 310-arc pressure block, 311-limiting block one, 312-limiting block two, 313-anti-slip pad, 320-limiting block three, 321-pin shaft, 330-reciprocating screw, 331-knob, 400-locking assembly, 410-insertion rod, 411-pull block, 420-tension spring;

[0032] 002-Connection components;

[0033] 500-connecting plate 1, 510-clamping hole, 520-limiting plate, 530-connecting plate 2, 540-buffer pad, 550-limiting hole. DETAILED DESCRIPTION

[0034] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.

[0035] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0036] See also Figure 1-Figure 6 The utility model provides a cable tray expansion joint, including a cable tray 100, a stabilizing component 001, a connecting component 002 and a bolt 10. When installing the oil field well cable, the oil field well cable can be directly placed in the middle of the cable tray 100, and the two second lower pressing plates 300 are rotated to the upper surface of the oil field well cable and pressed against the upper surface of the well cable, and then the first lower pressing plate 200 and the second lower pressing plate 300 are locked by the locking component 400, so as to avoid the wear of the cable sheath when installing the oil field well cable.

[0037] The bottom wall of the cable tray 100 is in an arc shape, and a water leakage groove 110 for water circulation is provided in the middle of the bottom end of the cable tray 100. For the cable tray 100 installed outdoors, the water leakage groove 110 is provided to prevent rainwater from accumulating at the bottom of the cable tray 100 for a long time and causing corrosion to the cables. A lead screw nut 120 is fixedly installed in the middle of the upper end of the cable tray 100, and the lead screw nut 120 is symmetrically arranged on the side walls of both ends of the cable tray 100. A plurality of limiting protrusions 130 for limiting the connection assembly 002 are fixedly installed on the inner wall of the cable tray 100.

[0038] The stabilizing component 001 for cooperating with two cable trays 100 to limit the position of the cables includes a first lower pressing plate 200 and a second lower pressing plate 300 for limiting the position of the cables, and the first lower pressing plate 200 and the second lower pressing plate 300 have the same size and structure.

[0039] The second lower pressing plate 300 includes an arc-shaped pressing block 310, and a non-slip pad 313 for protecting the cable is fixedly installed at the lower end of the arc-shaped pressing block 310, and a limiting block 1 311 is fixedly installed on one side of the arc-shaped pressing block 310. The limiting block 1 311 is a U-shaped limiting block, and one end of the limiting block 1 311 is provided with a hole cavity for limiting the pin 321. A limiting block 2 312 for limiting the locking assembly 400 is fixedly installed on the upper end of the arc-shaped pressing block 310 on the side facing the first lower pressing plate 200, and one end of the tension spring 420 is fixedly installed on the side of the limiting block 2 312 away from the first lower pressing plate 200.

[0040] One end of the limit block 1 311 is connected to a limit block 320 for limiting the reciprocating screw 330, and both ends of the limit block 320 close to the limit block 1 311 are fixedly installed with pins 321 for cooperating with the limit block 1 311 to limit the limit block 320, and the pin 321 is movably arranged in a hole cavity at one end of the limit block 1 311.

[0041] A reciprocating screw 330 is installed at one end of the arc pressure block 310 for cooperating with the screw nut 120 to control the up and down movement of the arc pressure block 310, and the reciprocating screw 330 is movably arranged at the upper end of the limit block 320. The reciprocating screw 330 is symmetrically installed on one side of the first lower pressure plate 200, and a knob 331 for controlling the rotation of the reciprocating screw 330 is fixedly installed at the upper end of the reciprocating screw 330.

[0042] When installing the cable on the well of the oil field, by pulling the pull block 411, the plug rod 410 and the tension spring 420 are pulled synchronously, so that one end of the plug rod 410 is away from the first lower pressing plate 200, so that the first lower pressing plate 200 and the second lower pressing plate 300 can be rotated with the pin shaft 321 as the rotating shaft, and the first lower pressing plate 200 and the second lower pressing plate 300 are rotated in the direction of the screw nut 120, and the cable is placed inside the cable tray 100, and then the first lower pressing plate 200 and the second lower pressing plate 300 are rotated. The second lower pressure plate 300 of plate 200 is reset, the pull block 411 is released, and the tension spring 420 drives the insertion rod 410 to insert into the hole cavity on one side of the first lower pressure plate 200, so that the first lower pressure plate 200 and the second lower pressure plate 300 cannot rotate, and at the same time, the knobs 331 on both sides of the cable tray 100 are rotated, so that the reciprocating screw 330 cooperates with the screw nut 120 to drive the limit block three 320 to move downward, and simultaneously drives the arc pressure block 310 to approach the cable, and finally presses the cable tightly.

[0043] The stabilizing component 001 includes a locking component 400 for locking the first lower pressure plate 200 and the second lower pressure plate 300. The locking component 400 includes an insert rod 410, and a pulling block 411 is fixedly installed on one side of the insert rod 410 for facilitating pulling of the insert rod 410. A tension spring 420 for pulling the pulling block 411 is installed at one end of the rod body of the insert rod 410. One side of the tension spring 420 is fixedly installed on the side of the limit block 312 away from the first lower pressure plate 200, and the other end of the tension spring 420 is fixedly installed on the middle part of the pulling block 411, and the tension spring is sleeved on the insert rod 410.

[0044] A connection assembly 002 is installed at one end of the cable tray 100, and four connection assemblies 002 are provided, two of which are provided at the front and rear ends of adjacent cable trays 100. A bolt 10 for cooperating with the connection assembly 002 to limit the cable tray 100 is installed in the middle of the connection assembly 002. The connection assembly 002 includes a connection plate 500, and a clamping hole 510 for cooperating with the limiting protrusion 130 to limit the connection plate 500 is opened in the middle of the connection plate 500. When the connection plate 500 is installed, the clamping hole 510 and the limiting protrusion 130 are clamped together to facilitate the limiting of the connection plate 500.

[0045] A limiting plate 520 is fixedly mounted at the lower end of the connecting plate 1 500 for further limiting the connecting plate 1 500 in cooperation with the bottom wall of the cable tray 100, so that the connecting plate 1 500 is not easy to shake inside the cable tray 100. A connecting plate 2 530 is fixedly mounted on the side of the connecting plate 1 500 facing the outside of the cable tray 100, and a buffer pad 540 is fixedly mounted on one side of the connecting plate 2 530. A limiting hole 550 for limiting the bolt 10 is opened in the middle of the buffer pad 540, and the limiting hole 550 passes through the connecting plate 2 530. When fixing two cable trays 100, the bolts 10 pass through the limiting holes 550 to fix the two connecting plates 1 500 together, thereby connecting the two cable trays 100.

[0046] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A cable tray expansion joint, comprising a stabilizing component (001) for cooperating with two cable trays (100) to limit the position of cables, characterized in that: A connection assembly (002) is installed at one end of the cable tray (100), and four connection assemblies (002) are provided. A bolt (10) for cooperating with the connection assembly (002) to limit the cable tray (100) is installed in the middle of the connection assembly (002); A lead screw nut (120) is installed at the middle of the upper end of the cable tray (100), and a limiting protrusion (130) is installed on the inner wall of the cable tray (100); The stabilizing component (001) comprises a first lower pressing plate (200) and a second lower pressing plate (300) for limiting the position of the cable, and the stabilizing component (001) comprises a locking component (400) for locking the first lower pressing plate (200) and the second lower pressing plate (300); The second lower pressure plate (300) includes an arc-shaped pressure block (310), one end of which is equipped with a reciprocating screw (330) for cooperating with a screw nut (120) to control the arc-shaped pressure block (310) to move up and down, and the reciprocating screw (330) is symmetrically installed on one side of the first lower pressure plate (200).

2. A cable tray expansion joint according to claim 1, characterized in that: The bottom wall of the cable tray (100) is arranged in an arc shape, and a water leakage groove (110) for water circulation is provided in the middle of the bottom end of the cable tray (100).

3. The cable tray expansion joint according to claim 1, characterized in that: The first lower pressing plate (200) and the second lower pressing plate (300) have the same size and structure, the lower end of the arc-shaped pressing block (310) is installed with an anti-slip pad (313) for protecting the cable, one side of the arc-shaped pressing block (310) is installed with a limiting block 1 (311), and the upper end of the arc-shaped pressing block (310) is installed with a limiting block 2 (312) for limiting the locking assembly (400).

4. A cable tray expansion joint according to claim 3, characterized in that: One end of the limit block one (311) is connected to a limit block three (320) for limiting the reciprocating screw (330), and both ends of the limit block three (320) are installed with pin shafts (321) for cooperating with the limit block one (311) to limit the limit block three (320).

5. The cable tray expansion joint according to claim 1, characterized in that: A knob (331) for controlling the rotation of the reciprocating screw (330) is installed at the upper end of the reciprocating screw (330).

6. The cable tray expansion joint according to claim 1, characterized in that: The locking assembly (400) comprises an insertion rod (410), one side of which is provided with a pulling block (411) for facilitating pulling of the insertion rod (410), and one end of the rod body of the insertion rod (410) is provided with a tension spring (420) for pulling the pulling block (411).

7. The cable tray expansion joint according to claim 1, characterized in that: The connection assembly (002) includes a connection plate (500), a middle portion of which is provided with a clamping hole (510) for cooperating with a limiting protrusion (130) to limit the connection plate (500), and a limiting plate (520) is installed at the lower end of the connection plate (500) for cooperating with the bottom wall of the cable tray (100) to limit the connection plate (500).

8. A cable tray expansion joint according to claim 7, characterized in that: A connecting plate 2 (530) is installed on one side of the connecting plate 1 (500), and a buffer pad (540) is installed on one side of the connecting plate 2 (530). A limiting hole (550) for limiting the bolt (10) is opened in the middle of the buffer pad (540), and the limiting hole (550) passes through the connecting plate 2 (530).

Images