Cable pulling tools for easy operation in confined spaces

Abstract

This invention belongs to the technical field of pipeline cable installation tools, specifically a cable threading tool for easy operation in confined spaces. It includes a cable installation cylinder, a sealing cylinder, and a guide cylinder. The cable installation cylinder is located at one end of the sealing cylinder, and the guide cylinder is located at the other end. The cable installation cylinder is used to clamp the cable end, and the guide cylinder is used for guidance and ground breaking. The cable installation cylinder includes a lower semi-circular fixing cylinder and an upper semi-circular clamping cylinder, with the fixing cylinder fixedly mounted on the sealing cylinder. Tension springs are evenly distributed at the edges where the clamping cylinder and the fixing cylinder contact each other. This invention is suitable for short-distance operations in confined spaces such as underground pipe wells, pre-embedded pipes in walls, and areas with dense equipment, improving worker efficiency. The integrated clamping-guiding-ground breaking structure solves the problems of obstructed operation, unstable clamping, and obstruction caused by foreign objects in traditional tools.

Description

Technical Field

[0001] This invention relates to the field of pipeline and cable installation tools, specifically to cable threading tools that facilitate operation in confined spaces. Background Technology

[0002] Cable installation faces numerous challenges in confined spaces such as underground pipe wells, wall-embedded pipes, and areas with dense equipment. For example:

[0003] Traditional cable pulling tools suffer from insufficient stability in their clamping mechanisms, making cable ends prone to loosening and shifting, which can easily lead to the cable detaching from the tool during conduit installation. Furthermore, traditional tools are prone to jamming within conduits and struggle to quickly remove obstacles such as mud and rust in older pipes, severely impacting work progress and failing to meet the demands for efficient conduit installation in confined spaces. For these reasons, a cable pulling tool designed for operation in confined spaces has been developed. Summary of the Invention

[0004] The purpose of this invention is to provide a cable conduit tool that is easy to operate in confined spaces, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cable installation tool for operation in confined spaces, comprising a cable installation cylinder, a sealing cylinder, and a guide cylinder. The cable installation cylinder is disposed at one end of the sealing cylinder, and the guide cylinder is disposed at the other end of the sealing cylinder. The cable installation cylinder is used to clamp the cable end, and the guide cylinder is used for guiding and breaking through the conduit.

[0006] The cable mounting cylinder includes a lower semi-circular fixing cylinder and an upper semi-circular clamping cylinder, with the fixing cylinder fixedly mounted on the encapsulation cylinder. Tension springs are evenly distributed at the edge positions where the clamping cylinder contacts the fixing cylinder on both sides.

[0007] The guide tube has a cross-shaped extension frame at the end furthest from the sealing tube, and the extension frame is a cone shape that bulges outward. Soil-breaking wheels are evenly distributed on the extension frame, the soil-breaking wheels are rotatably mounted, and the soil-breaking wheels are equipped with soil-breaking blades.

[0008] Guide wheels are evenly distributed on the side wall of the encapsulation cylinder with the axis as the origin. A control box and a battery compartment are arranged inside the cavity of the encapsulation cylinder. A drive mechanism is also installed inside the cavity of the encapsulation cylinder, and the drive mechanism is connected to the guide cylinder to achieve rotation.

[0009] Preferably, the tension spring pulls the clamping cylinder downwards, clamping the cable end through the force of the tension spring. Both the inner walls of the fixing cylinder and the clamping cylinder are provided with protruding abutment blocks, which press inwards against the surface of the cable. The abutment blocks are sloped, and their edges are all rounded.

[0010] Preferably, bolt plates are symmetrically arranged at the ends of the fixing cylinder and the clamping cylinder away from the encapsulation cylinder, and bolts are fixed in the upper and lower adjacent bolt plates, so that the fixing cylinder and the clamping cylinder are locked and fixed, thereby improving the stability of the cable end clamping.

[0011] Preferably, the battery compartment houses a lithium battery, and the control box contains a control module and a remote control module. The control box connects to external systems in two ways: one is via an extended cable to a backend controller; the other is via a wireless remote control.

[0012] Preferably, the extension frame has an outwardly protruding soil-breaking needle in the middle. A sealing glass is provided on the side of the guide cylinder near the extension frame, which blocks the inner cavity of the extension frame and the guide cylinder to prevent soil from flowing in.

[0013] Preferably, the outer wall of the guide cylinder is provided with outwardly protruding ground-breaking threads, the height of which is parallel to the surface of the sealing cylinder. Multiple sets of reinforcing ribs are provided in the inner cavity of the guide cylinder, with one end of each rib abutting against the extension frame outwards.

[0014] Preferably, the driving mechanism includes a reducer and a drive motor, with the drive motor and reducer being connected in a transmission connection. A connecting rod is transversely arranged in the middle of the inner cavity of the guide cylinder. One end of the connecting rod is connected to the extension frame, and the reducer is equipped with a drive shaft and connected to the other end of the connecting rod. The driving mechanism drives the guide cylinder to rotate to achieve the purpose of breaking the soil.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention is applicable to short-distance operations in confined spaces such as underground pipe wells, pre-embedded pipes in walls, and areas with dense equipment, thereby improving worker efficiency. Through an integrated structure for clamping, guiding, and breaking ground, it solves the problems of obstructed operation, unstable clamping, and obstruction caused by foreign objects in traditional tools.

[0017] 2. Integrated structure adaptable to confined spaces. Adopting an integrated design for clamping, guiding, and breaking ground, it is compact in size and can flexibly adapt to confined operating spaces such as underground pipe wells and pre-embedded pipes in walls, solving the pain point of obstructed operation of traditional tools and improving adaptability for short-distance operations.

[0018] 3. Stable and reliable clamping. A multi-layered fixing structure, including tension springs, sloping clamping blocks, and bolt locking, ensures a secure clamping of the cable end, preventing cable loosening or shifting during operation and guaranteeing conduit insertion accuracy.

[0019] 4. Proximity to ground movement with reduced jamming. The guide cylinder integrates a ground-breaking needle, a ground-breaking wheel, and a ground-breaking thread. When the drive mechanism rotates, these three components work together to quickly remove obstacles such as mud and rust from inside the pipe. It is especially suitable for maintenance and wiring of old pipes, solving the problem of traditional tools easily getting clogged and jammed. The guide wheel of the encapsulated cylinder reduces friction between the tool and the inner wall of the pipe, and the rotation of the ground-breaking thread generates axial propulsion. Under this dual action, the tool can glide smoothly inside the pipe, further improving work efficiency.

[0020] 5. Convenient operation and high safety. The clamping cylinder can be pulled upwards and opened for easy cable loading and unloading. Sealed glass prevents soil from entering and protects internal components. Supports both wire connection and remote control, reducing the difficulty of operation in confined spaces and improving operational safety.

[0021] The embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0022] Figure 1 This is the front view of the present invention.

[0023] Figure 2 This is a perspective view of the present invention.

[0024] Figure 3 This is a three-dimensional schematic diagram of the cable mounting cylinder of the present invention.

[0025] Figure 4 This is a left-side perspective view of the guide tube of the present invention.

[0026] Figure 5 This is a right-side perspective view of the guide tube of the present invention.

[0027] In the diagram: 1. Cable installation cylinder, 1-1. Fixing cylinder, 1-2. Clamping cylinder, 1-3. Bolt plate, 1-4. Anchor block, 1-5. Tension spring;

[0028] 2. Encapsulation cylinder, 2-1. Guide wheel;

[0029] 3 Guide cylinder, 3-1 Sealing glass, 3-2 Extension frame, 3-3 Soil-breaking wheel, 3-4 Reinforcing rib, 3-5 Reducer, 3-6 Drive motor, 3-7 Soil-breaking thread. Detailed Implementation

[0030] See Figure 1-5 A cable installation tool for easy operation in confined spaces, comprising a cable installation cylinder 1, a sealing cylinder 2, and a guide cylinder 3. The cable installation cylinder 1 is located at one end of the sealing cylinder 2, and the guide cylinder 3 is installed at the other end of the sealing cylinder 2. The cable installation cylinder 1 is used to clamp the cable end, and the guide cylinder 3 is used for guiding and breaking through the conduit.

[0031] The cable installation cylinder 1 includes a lower semi-circular fixing cylinder 1-1 and an upper semi-circular clamping cylinder 1-2. The fixing cylinder 1-1 is fixedly mounted on the encapsulation cylinder 2, and the clamping cylinder 1-2 can be stretched upward to open, making it easy to take out the cable clamped inside.

[0032] Tension springs 1-5 are evenly distributed at the frame positions where the clamping cylinder 1-2 contacts the fixing cylinder 1-1 on both sides. The tension springs 1-5 pull the clamping cylinder 1-2 downward and clamp the cable end through the force of the tension springs 1-5.

[0033] Both the inner walls of the fixing cylinder 1-1 and the clamping cylinder 1-2 are provided with protruding abutting blocks 1-4. The abutting blocks 1-4 press inward against the surface of the cable to achieve further clamping. The abutting blocks 1-4 are sloping, and the sides of the abutting blocks 1-4 are all made with obtuse angles.

[0034] Bolt plates 1-3 are symmetrically arranged at the ends of the fixed cylinder 1-1 and the clamping cylinder 1-2 away from the encapsulation cylinder 2. Bolts are fixed inside adjacent bolt plates 1-3 to lock the fixed cylinder 1-1 and the clamping cylinder 1-2, improving the stability of cable end clamping. Guide wheels 2-1 are evenly distributed on the side wall of the encapsulation cylinder 2 with the axis as the origin. The guide wheels 2-1 abut against the inner wall of the pipe, facilitating the sliding of the auxiliary device.

[0035] The inner cavity of the encapsulation cylinder 2 houses a control box and a battery compartment. The battery compartment contains a lithium battery, and the control box contains a control module and a remote control module. The control box connects to external systems in two ways: one is via an extended wire to a backend controller, and the other is via a wireless remote control.

[0036] The diameter of the guide cylinder 3 is slightly smaller than that of the encapsulation cylinder 2. A cross-shaped extension frame 3-2 is provided at the end of the guide cylinder 3 away from the encapsulation cylinder 2, and the extension frame 3-2 is a cone shape that bulges outward. A soil-breaking needle protrudes outward in the middle of the extension frame 3-2. Soil-breaking wheels 3-3 are evenly distributed on the extension frame 3-2. The soil-breaking wheels 3-3 are rotatably installed and are equipped with soil-breaking blades. When the guide cylinder 3 rotates, it plays the role of breaking soil and drilling holes, which is especially suitable for the maintenance and wiring work of old cable ducts.

[0037] A sealing glass 3-1 is provided on the side of the guide cylinder 3 near the extension frame 3-2. The sealing glass 3-1 is separated between the extension frame 3-2 and the inner cavity of the guide cylinder 3 to prevent soil from flowing in.

[0038] The outer wall of the guide cylinder 3 is provided with slightly outward protruding ground-breaking threads 3-7, the height of which is parallel to the surface of the encapsulation cylinder 2. The inner cavity of the guide cylinder 3 is provided with multiple sets of reinforcing ribs 3-4, one end of which abuts against the extension frame 3-2.

[0039] A drive mechanism is also installed inside the cavity of the encapsulation cylinder 2. The drive mechanism includes a reducer 3-5 and a drive motor 3-6, with the drive motor 3-6 being connected to the reducer 3-5 in a transmission connection. A connecting rod is transversely arranged in the middle of the cavity of the guide cylinder 3. One end of the connecting rod is connected to the extension frame 3-2, and the reducer 3-5 is equipped with a drive shaft that is connected to the other end of the connecting rod. The drive mechanism is used to drive the guide cylinder 3 to rotate, thereby achieving the purpose of breaking the soil.

[0040] Working principle:

[0041] This invention is suitable for short-distance operations in confined spaces such as underground pipe wells, pre-embedded pipes in walls, and areas with dense equipment, thereby improving worker efficiency. Through an integrated clamping-guiding-breaking structure, it solves the problems of obstructed operation, unstable clamping, and obstruction caused by foreign objects in traditional tools.

[0042] Cable installation cylinder 1: The fixed cylinder 1-1 cooperates with the openable clamping cylinder 1-2, and the tension spring 1-5 provides continuous downward pulling force to initially clamp the cable. The inner wall beveled obtuse angle clamping block 1-4 is embedded in the cable surface to increase friction and prevent slippage. Bolts pass through the bolt plates 1-3 on both sides and are locked to form a rigid fixation, ensuring that the clamp does not loosen during operation.

[0043] Encapsulation cylinder 2: Guide wheels 2-1 evenly distributed on the side wall abut against the inner wall of the pipe, reducing friction between the tool and the pipe and facilitating smooth movement in confined spaces. Powered by a built-in lithium battery, the control box includes a control module and a remote control module, supporting wired connection or wireless remote control operation to adapt to different work scenarios.

[0044] Guide cylinder 3: The conical extension frame 3-2 guides the tool along the pipeline axis to avoid deviation and jamming. The drive motor 3-6 drives the connecting rod to rotate via the reducer 3-5, which in turn drives the guide cylinder 3 to rotate. The soil-breaking needle on the cross-shaped extension frame 3-2 first breaks through the obstacle, and the rotating soil-breaking wheel cuts through the soil or debris with the soil-breaking blade. The soil-breaking thread 3-7 on the outer wall assists in cleaning the inner wall of the pipeline, improving soil-breaking efficiency. The sealing glass 3-1 prevents soil from flowing in and protects the internal components. The reinforcing ribs enhance the rigidity of the extension frame 3-2 and prevent deformation during soil breaking.

[0045] The 3-7 drilling thread uses a spiral structure to cut and scrape away soil, debris, or old attachments inside the pipe, supplementing the effectiveness of the drilling needle and drilling wheel. The spiral protrusions generate forward propulsion during rotation, reducing frictional resistance as the tool moves through the pipe and making the pipe-penetrating process smoother. The spiral trajectory guides the tool along the pipe axis, preventing deviation, and, in conjunction with the guide wheel 2-1, further improves operational accuracy.

[0046] Overall coordination: Open the clamping cylinder 1-2 and insert the cable end. The spring automatically clamps initially, and then the bolts are used to lock it in place. The equipment can be started remotely or via a wire. The drive mechanism drives the guide cylinder 3 to rotate, and the soil-breaking needle, soil-breaking wheel, and soil-breaking thread 3-7 work together to break the soil. The guide wheel 2-1 of the sealing cylinder reduces movement resistance, and the tool moves steadily along the pipeline to complete the cable threading operation.

[0047] The above description is merely a specific embodiment of the present invention, and the various examples do not constitute a limitation on the substantive content of the present invention.

Claims

1. Cable-pushing tool for easy operation in a small space, comprising a cable mounting cylinder (1), an encapsulating cylinder (2) and a guide cylinder (3), characterized in that: The cable mounting cylinder (1) is arranged at one end of the packaging cylinder (2), and the guide cylinder (3) is arranged at the other end of the packaging cylinder (2), the cable mounting cylinder (1) is used for clamping the cable end, and the guide cylinder (3) is used for guiding and breaking soil; The cable mounting cylinder (1) comprises a lower half-circular fixing cylinder (1-1) and an upper half-circular clamping cylinder (1-2), and the fixing cylinder (1-1) is fixedly arranged on the packaging cylinder (2); the clamping cylinder (1-2) is in contact with the edges of the fixing cylinder (1-1) on the two sides, and the edges are uniformly distributed with tension springs (1-5); The guide cylinder (3) is provided with a cross-shaped extension frame (3-2) away from the packaging cylinder (2), and the extension frame (3-2) is outwardly convex and tapered; the extension frame (3-2) is uniformly distributed with soil breaking wheels (3-3), the soil breaking wheels (3-3) are rotatably arranged, and the soil breaking wheels (3-3) are provided with soil breaking blades; The packaging cylinder (2) is uniformly distributed with guide wheels (2-1) with the axis as the origin on the side wall; the control box and the battery compartment are arranged in the inner cavity of the packaging cylinder (2); the driving mechanism is further arranged in the inner cavity of the packaging cylinder (2) and is in transmission connection with the guide cylinder (3) to realize rotation.

2. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The tension spring (1-5) pulls the clamping cylinder (1-2) downward, and the cable end is clamped through the action force of the tension spring (1-5); the inner walls of the fixing cylinder (1-1) and the clamping cylinder (1-2) are provided with convex abutting blocks (1-4), and the abutting blocks (1-4) are inwardly abutted on the surface of the cable; the abutting blocks (1-4) are slope-shaped, and the edges of the abutting blocks (1-4) are obtusely processed.

3. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The fixing cylinder (1-1) and the clamping cylinder (1-2) are symmetrically provided with bolt plates (1-3) away from the packaging cylinder (2), and the bolt plates (1-3) are fixedly provided with bolts, so that the fixing cylinder (1-1) and the clamping cylinder (1-2) are locked and fixed, and the stability of clamping the cable end is improved.

4. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The battery compartment is provided with a lithium battery, and the control box is provided with a control module and a remote control module; the control box is connected with the outside in two ways, one is through the extended wire to realize the connection with the background controller, and the other is through the wireless remote control to realize the remote connection.

5. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The middle part of the extension frame (3-2) is provided with a soil breaking needle outwardly protruding; the side of the guide cylinder (3) close to the extension frame (3-2) is provided with a sealing glass (3-1), the sealing glass (3-1) is arranged between the extension frame (3-2) and the inner cavity of the guide cylinder (3) to prevent the soil from flowing inward.

6. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The outer wall of the guide cylinder (3) is provided with a soil breaking thread (3-7) outwardly protruding, the protruding height of the soil breaking thread (3-7) is parallel to the surface of the packaging cylinder (2); a plurality of reinforcing ribs (3-4) are arranged in the inner cavity of the guide cylinder (3), and one end of the reinforcing rib (3-4) outwardly abuts on the extension frame (3-2).

7. The cable pulling tool for ease of operation in tight spaces of claim 1, wherein: The driving mechanism comprises a speed reducer (3-5) and a driving motor (3-6), the driving motor (3-6) is in transmission connection with the speed reducer (3-5); a connecting rod is transversely arranged in the middle of the inner cavity of the guide cylinder (3), one end of the connecting rod is connected with the extension frame (3-2), the speed reducer (3-5) is provided with a transmission shaft and is connected with the other end of the connecting rod, and the guide cylinder (3) is driven to rotate by the driving mechanism to realize the purpose of breaking soil.

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