A pipe insulation cotton outer sheath installation fastener with fixed rope

Abstract

The utility model relates to a pipeline thermal -insulation cotton outer sheath installation lock ware of fixed rope, in order to the problem that the existing scheme pipeline thermal -insulation cotton outer sheath installation lock ware rope winding is not fixed in the fixed position and the stop hook mechanism can automatically run out, the rear end of the rope is detachably connected with the rear end of the lock tube, at least one rope positioning groove is equipped in the rear part of the lock tube, the rope positioning groove is the half ring shape from back to front from top to bottom, the hook sliding block is arranged in the lock tube, the spring that is passed through the hook sliding block is embedded in the middle part of the hook sliding block, the top bead is equipped between every side of the spring and the inner wall of the lock tube, the front end of the lock tube is equipped with a plurality of notches, the pipe wall between two adjacent notches on the lock tube is bent to the axis direction of the lock tube, the pipe wall that the lock tube is bent to the axis direction of the lock tube avoids the hook sliding block to slip off from the front end of the lock tube, the stop hook mechanism is connected with the front end of the hook sliding block, the rope has no risk of loosening, and the working efficiency is higher when construction.

Description

Technical Field

[0001] This utility model relates to the field of pipeline external insulation construction, specifically to a fastening device for installing pipeline insulation cotton outer protective skin that is securely fixed with ropes. Background Technology

[0002] For the installation of insulation outer sheaths for pipes and equipment, a common method of tightening the outer sheaths is to use an old-fashioned binding rope, which consists of a winch (wooden stick, iron pipe, or plastic pipe) and a rope. During operation, one hand must hold the winch and cannot let go before the outer sheath is nailed, and there is also the problem of the rope slipping, resulting in very low work efficiency for construction workers.

[0003] To address the aforementioned issues, application number CN216913645U discloses a pipe insulation cotton outer sheath installation locking device. During pipe insulation cotton outer sheath construction, one end of the rope is fixed to the locking tube, and the other end of the rope, after passing around the insulation cotton outer sheath, can be wrapped around the pressure plate for fixation and tightened through the pressure plate. The locking tube can be gripped and rotated as needed to further tighten the rope. Finally, the stop hook mechanism of the stop part is hooked onto the rope wrapped around the insulation cotton outer sheath, limiting the position of the locking tube and preventing the rope from shifting. However, during construction, the applicant found that the pressure plate is prone to bending, affecting the operation and effectiveness of rope clamping. Furthermore, if the pressure plate breaks, it loses its clamping function. The spring on the hook-holding slider in the stop hook mechanism is easily deformed, losing its frictional resistance against the inner wall of the locking tube, causing the stop hook mechanism to automatically shift out, affecting the operator's work. Utility Model Content

[0004] The purpose of this utility model patent is to address the problems of insecure rope fixation at the pressure plate and automatic slippage of the locking device for pipe insulation cotton outer sheath in existing solutions. This utility model provides a locking device for pipe insulation cotton outer sheath that provides secure rope fixation.

[0005] The purpose of this utility model is achieved as follows: To achieve the above purpose, a locking device for securing the outer sheath of pipe insulation cotton with a rope is provided, which includes a locking tube, a rope, a hook slider and a stop hook mechanism.

[0006] The rear end of the rope is detachably connected to the rear end of the locking tube. The locking tube has at least one rope positioning groove in its rear part. The rope positioning groove is a semi-circular shape from top to bottom and from back to front. The hook slider is set inside the locking tube. A spring is embedded in the middle of the hook slider and passes through the hook slider. A top bead is provided between each side of the spring and the inner wall of the locking tube. The front end of the locking tube has several notches. The tube wall between two adjacent notches on the locking tube is bent towards the axis of the locking tube. The tube wall bent towards the axis of the locking tube prevents the hook slider from slipping off from the front end of the locking tube. The stop hook mechanism is connected to the front end of the hook slider. The hook slider moves inside the locking tube to release and retract the stop hook mechanism. During operation, after the rope is wound through the outer protective skin of the pipe insulation cotton, the rope is wound into the rope positioning groove for positioning. Finally, the stop hook mechanism is pulled out and hung on the rope wound to the outer protective skin.

[0007] The locking device may include a locking tube, a rope, a hook slider, a stop hook mechanism, and a locking positioning element;

[0008] The rear end of the rope is detachably connected to the rear end of the locking tube. The locking tube has at least one rope clamping groove in its rear part. The locking hole positioning element is located outside the locking tube at the rear of the last rope clamping groove. The locking hole positioning element can move and be positioned outside the locking tube. The hook slider is located inside the locking tube. A spring is installed in the through hole in the middle of the hook slider. A top bead is provided between the spring and the inner wall of the locking tube. The tube wall between two adjacent notches on the locking tube is bent in the direction of the axis of the locking tube. The tube wall bent in the direction of the axis of the locking tube prevents the hook slider from slipping off from the front end of the locking tube. The stop hook mechanism is connected to the front end of the hook slider. The hook slider moves inside the locking tube to release and retract the stop hook mechanism. During operation, after the rope is wound through the outer sheath of the pipe insulation cotton, the rope is wound into the rope clamping groove for positioning. After the locking hole positioning element moves to a new position, it clamps the rope. Finally, the stop hook mechanism is pulled out and hung on the rope wound to the outer sheath.

[0009] The locking device may include a locking tube, rope, tension spring, and stop hook mechanism;

[0010] The rear end of the rope is detachably connected to the rear end of the locking tube. At least one rope placement groove is provided in the rear part of the locking tube. The rear end of the tension spring is connected to the bottom of the front end of the rope placement groove. The front end of the tension spring is connected to the stop hook mechanism. During operation, after the rope is wound through the outer sheath of the pipe insulation cotton, the rope is wound into the rope placement groove for positioning. Finally, the stop hook mechanism is pulled out and hung on the rope wound to the outer sheath.

[0011] Furthermore, the locking tube has a rope-threading hole on its wall for inserting the rope head.

[0012] Furthermore, a lifting eye bolt is connected to the middle of the front end of the hook slider, and the lifting eye of the lifting eye bolt and the stop hook mechanism are interlocked.

[0013] Furthermore, the stop hook mechanism includes a hook with a lifting ring at the tail and n T-shaped hooks;

[0014] The rear end of the hook with a lifting ring at the tail is interlocked with the lifting ring bolt. n T-shaped hooks are set on the middle straight rod of the hook with a lifting ring at the tail and are integrally set with the hook with a lifting ring at the tail. n≥0, and n is an integer.

[0015] Furthermore, the maximum length of the hook head with the hook at the tail with the eyelet along the radial direction of the locking tube 1 is greater than the inner diameter length of the locking tube.

[0016] Furthermore, a guide adjustment groove is provided behind the rope clamping groove on the wall of the locking tube. The guide adjustment groove is lightning bolt shaped. The clamping positioning element includes a clamping ring and a positioning pin. The clamping ring is fitted onto the locking tube, and the positioning pin is fixed on the clamping ring. The positioning pin passes into the guide adjustment groove. During operation, the clamping ring adjusts its position and clamps the rope.

[0017] Furthermore, a hexagonal flange nut is embedded in the locking tube, and a rope positioning bolt is threaded onto the hexagonal flange nut. The rope positioning bolt presses down on the rope to position it.

[0018] Furthermore, the tight-fitting positioning element includes a positioning nut;

[0019] The locking tube has a threaded section at the rear of the rope clamping groove. The positioning nut is threadedly connected to the locking tube. During operation, the positioning nut rotates to clamp the rope.

[0020] Furthermore, the tension spring and the stop hook mechanism are connected by a chain.

[0021] Furthermore, the front end of the locking tube is provided with a chain-holding groove that is positioned opposite to the locking tube, and the chain-holding groove is used to pass the chain through.

[0022] Beneficial effects:

[0023] 1. The improved hook slider is cylindrical with a through hole in the middle of the side. After the spring is inserted, top beads are inserted on both sides. This structure is not easy to age, and the spring always has elasticity. This structure solves the problems of the spring being easily deformed and the stop hook mechanism being easy to break through in the original technology.

[0024] 2. Compared with existing technologies, this solution utilizes a diagonally arranged rope positioning groove on the locking tube. During construction, after the rope is wrapped around the outer sheath once, it is then wrapped around the locking tube once or twice. The rope is then inserted and fixed into the positioning groove. Tightening the locking tube tightens the rope around the outer sheath to the designated position. Pulling out the stop hook mechanism and hooking it onto the rope wrapped around the outer sheath avoids the risk of bending that occurs when the pressure plate tightens the rope. This solution provides more stable rope fixation during the rotation of the locking tube, making it less prone to loosening and improving work efficiency. It also avoids the wear and tear caused by loosening. This solution is sturdy and durable, eliminates the risk of rope loosening, and offers high work efficiency and ease of operation.

[0025] 3. Compared with existing technologies, this solution adds a locking element. After the rope passes through the rope clamping groove, it can be locked by the locking element. When using this solution, after the rope is wrapped around the outer sheath once, it is wrapped around the locking tube once or twice. The rope is then inserted and fixed into the section of the rope clamping groove. The locking element is then rotated to clamp the rope, and the locking tube is turned to tighten the rope around the outer sheath to the specified position. The stop hook mechanism is then pulled out and hooked onto the rope wrapped around the outer sheath, limiting the position of the locking tube and preventing the rope from moving. This solution provides a more stable rope fixation during the rotation of the locking tube, making it less prone to loosening and improving work efficiency. It also avoids the wear and tear caused by loosening. This solution is sturdy and durable, with no risk of rope loosening, resulting in high work efficiency and ease of operation.

[0026] 4. Compared with existing technologies, this solution involves wrapping the rope around the outer sheath once, then wrapping it around the locking tube once or twice, and finally embedding and fixing the rope in the rope placement groove. Tightening the locking tube tightens the rope around the outer sheath to the specified position. Pulling out the stop hook mechanism and hooking it onto the rope wrapped around the outer sheath, the stop hook mechanism is pulled by a tension spring and can be tightened after being hooked onto the rope. There is no risk of the rope coming loose, resulting in higher work efficiency and easier operation during construction. Attached Figure Description

[0027] Figure 1 This is a cross-sectional schematic diagram of a locking device for installing a rope-secured pipe insulation cotton outer sheath.

[0028] Figure 2 This is a cross-sectional schematic diagram of a locking device for installing a rope-secured pipe insulation cotton outer sheath.

[0029] Figure 3 This is a cross-sectional schematic diagram of a locking device for installing a rope-secured pipe insulation cotton outer sheath.

[0030] Figure 4 This is a partial schematic diagram of the lightning bolt-shaped guide adjustment groove of the locking tube;

[0031] Figure 5This is a partial schematic diagram of the long, narrow guide adjustment groove of the locking tube;

[0032] Figure 6 This is a schematic diagram of the front end of the locking tube;

[0033] Figure 7 This is a cross-sectional schematic diagram of a locking device for installing a rope-secured pipe insulation cotton outer sheath.

[0034] Figure 8 This is a schematic diagram of the front end of the locking tube;

[0035] Figure 9 This is a simplified schematic diagram illustrating a working scenario where a locking device is installed on the outer sheath of a pipe insulation cotton that is securely fixed by ropes.

[0036] Figure 10 This is a schematic diagram of the two rope positioning grooves at the locking tube;

[0037] Figure 11 This is a schematic diagram of the two rope positioning grooves at the locking tube;

[0038] Figure 12 This is a partial schematic diagram of the tension spring in its initial state;

[0039] Figure 13 This is a partial schematic diagram of the tension spring after it has been stretched.

[0040] Figure 14 These are schematic diagrams of various head shapes with hooks at the tail.

[0041] In the diagram: 1. Locking tube; 1-1. Rope positioning groove; 1-2. Notch; 1-3. Rope threading hole; 1-4. Rope clamping groove; 1-5. Rope placement groove; 1-6. Chain holding groove; 2. Rope; 3. Hook slider; 4. Stop hook mechanism; 4-1. Hook with eyelet at the end; 4-2. T-hook; 5. Spring; 6. Top bead; 7. Rope positioning bolt; 8. Eyelet bolt; 9. Guide adjustment groove; 10. Tightening ring; 11. Positioning pin; 12. Protective sleeve; 13. Positioning nut; 14. Hexagonal flange nut; 15. Safety rope; 16. Tension spring; 17. Chain. Detailed Implementation

[0042] 1. Specific implementation method one: A rope-fixed pipe insulation cotton outer sheath installation locking device, which includes a locking tube 1, a rope 2, a hook holding slider 3 and a stop hook mechanism 4;

[0043] The rear end of the rope 2 is detachably connected to the rear end of the locking tube 1. At least one rope positioning groove 1-1 is provided in the rear part of the locking tube 1. The rope positioning groove 1-1 is a semi-circular shape from top to bottom and from back to front. The hook-holding slider 3 is disposed inside the locking tube 1. A spring 5 is embedded in the middle of the hook-holding slider 3, penetrating the hook-holding slider 3. A top bead 6 is provided between each side of the spring 5 and the inner wall of the locking tube 1. Several notches 1-2 are provided at the front end of the locking tube 1. Between two adjacent notches 1-2 on the locking tube 1... The pipe wall bends towards the axis of the locking pipe 1. The bending of the pipe wall towards the axis of the locking pipe 1 prevents the hook slider 3 from slipping off from the front end of the locking pipe 1. The stop hook mechanism 4 is connected to the front end of the hook slider 3. The hook slider 3 moves inside the locking pipe 1 to release and retract the stop hook mechanism 4. During operation, after the rope 2 is wrapped around the outer sheath of the pipe insulation cotton, the rope is wound into the rope positioning groove 1-1 for positioning. Finally, the stop hook mechanism 4 is pulled out and hung on the rope 2 wrapped around the outer sheath.

[0044] The locking device may include a locking tube 1, a rope 2, a hook holding slider 3, a stop hook mechanism 4, and a locking positioning element;

[0045] The rear end of the rope 2 is detachably connected to the rear end of the locking tube 1. At least one rope clamping groove 1-4 is provided in the rear part of the locking tube 1. A clamping positioning element is located outside the locking tube 1, behind the rearmost rope clamping groove 1-4, and can move and be positioned outside the locking tube 1. A hook slider 3 is located inside the locking tube 1. A spring 5 is installed in the through hole in the middle of the hook slider 3. A top bead 6 is provided between the spring 5 and the inner wall of the locking tube 1. The tube wall between two adjacent notches 1-2 on the locking tube 1 is tightened towards the locking tube. The pipe 1 is bent in the axial direction, and the pipe wall of the locking pipe 1 is bent in the axial direction to prevent the hook slider 3 from slipping off the front end of the locking pipe 1. The stop hook mechanism 4 is connected to the front end of the hook slider 3. The hook slider 3 moves in the locking pipe 1 to release and retract the stop hook mechanism 4. When working, after the rope 2 is wrapped around the outer protective skin of the pipe insulation cotton, the rope is wound into the rope clamping groove 1-4 for positioning. After the tight-mouth positioning element moves to a new position, it clamps the rope 2. Finally, the stop hook mechanism 4 is pulled out and hung on the rope 2 wrapped around the outer protective skin.

[0046] The locking device may include a locking tube 1, a rope 2, a tension spring 16, and a stop hook mechanism 4;

[0047] The rear end of the rope 2 is detachably connected to the rear end of the locking tube 1. At least one rope placement groove 1-5 is provided in the rear part of the locking tube 1. The rear end of the tension spring 16 is connected to the bottom of the front end of the rope placement groove 1-5. The front end of the tension spring 16 is connected to the stop hook mechanism 4. During operation, after the rope 2 is wrapped around the outer sheath of the pipe insulation cotton, the rope is wound into the rope placement groove 1-5 for positioning. Finally, the stop hook mechanism 4 is pulled out and hung on the rope 2 wrapped around the outer sheath.

[0048] In this embodiment: the rope positioning groove is a semi-circular shape from top to bottom and from back to front, and the rope positioning groove is similar to an oblique horseshoe shape; the rope clamping groove is a vertical U-shaped semi-circular shape.

[0049] Optionally, both the rope positioning groove and the rope clamping groove can be set to two, with their positions spaced apart along the length of the locking tube. During operation, this provides a repeated clamping effect on the rope, resulting in double insurance for greater security.

[0050] Optionally, a notch is provided at the bottom front end of the rope placement slot, and a tension spring is provided to easily catch the notch for connection and limitation.

[0051] Other implementation methods are the same as those in Specific Implementation Method 1.

[0052] Specific implementation method 2: A locking device for installing the outer protective skin of the pipe insulation cotton for securely fixing the rope, wherein the wall of the locking pipe 1 is provided with rope holes 1-3 for inserting the head of the rope 2.

[0053] Other implementation methods are the same as those in Specific Implementation Method 1.

[0054] Specific implementation method three: A locking device for installing the outer protective skin of the pipe insulation cotton that is firmly fixed by the rope, wherein the front middle of the hook slider 3 is connected to the eye bolt 8, and the eye of the eye bolt 8 and the stop hook mechanism 4 are interlocked.

[0055] In this embodiment, the stop hook mechanism can swing at multiple angles to easily hook the rope.

[0056] Other implementation methods are the same as those in Specific Implementation Method 1.

[0057] Specific implementation method four: A locking device for installing the outer protective skin of pipe insulation cotton that is securely fixed by rope, the stop hook mechanism 4 includes a bent hook 4-1 with a lifting ring at the tail and n T-shaped hooks 4-2;

[0058] The rear end hook of the hook-4-1 with a lifting ring at the tail end is interlocked with the lifting ring of the lifting ring bolt 8. n T-shaped hooks are set on the middle straight rod of the hook-4-1 with a lifting ring at the tail end and are integrally set with the hook-4-1 with a lifting ring at the tail end, where n≥0 and n is an integer.

[0059] In this embodiment: the clamping opening of the hook with the eyelet at the tail, the gap between adjacent T-hooks, or the gap between the T-hook and the hook with the eyelet at the tail forms a clamping gap for easy connection with the rope.

[0060] Other implementation methods are the same as those in Specific Implementation Method 3.

[0061] Specific implementation method five: A rope-fixed pipe insulation cotton outer sheath installation locker, the hook head of the hook 4-1 with a hanging ring at the tail has a maximum length in the radial direction of the locker tube 1 that is greater than the inner diameter of the locker tube 1.

[0062] In this embodiment, the maximum length of the hook head with a lifting ring at the tail along the radial direction of the locking tube is greater than the inner diameter of the locking tube. This ensures that when retracting the hook, the hook head is engaged at the end of the locking tube. This prevents the hook with the lifting ring from swinging and making noise inside the locking tube, and also facilitates pulling out the rope through the hook with the lifting ring at the tail.

[0063] Other implementation methods are the same as those in Specific Implementation Method Four.

[0064] Specific Implementation Method Six: A locking device for installing a securely fixed pipe insulation cotton outer sheath. A guide adjustment groove 9 is provided behind the rope clamping groove 1-4 and set on the wall of the locking pipe 1. The guide adjustment groove 9 is lightning bolt shaped. The locking positioning element includes a locking ring 10 and a positioning pin 11. The locking ring 10 is sleeved on the locking pipe 1, and the positioning pin 11 is fixed on the locking ring 10. The positioning pin 11 passes through the guide adjustment groove 9. During operation, the locking ring 10 adjusts its position and clamps the rope 2.

[0065] In this embodiment: the tightening ring is fitted onto the locking tube, and the positioning pin is fixed on the tightening ring. The positioning pin moves along the lightning bolt-shaped guide adjustment groove. The tightening ring can be adjusted to two different locking positions. When the tightening ring moves forward, it clamps the rope in the rope clamping groove.

[0066] Alternatively, the lightning-shaped guide adjustment groove can also be configured as an oblique strip.

[0067] Other implementation methods are the same as those in Specific Implementation Method 1.

[0068] Specific implementation method seven: A locking device for installing the outer sheath of the pipe insulation cotton for secure rope fixation, wherein a hexagonal flange nut 14 is embedded on the locking tube 1, and a rope positioning bolt 7 is threadedly connected to the hexagonal flange nut 14, and the rope positioning bolt 7 presses down on the rope 2 to position the rope 2.

[0069] In this embodiment, the rope positioning bolt presses down on the rope to position it, which is simple to operate and makes it easy to replace worn and aged ropes.

[0070] Other implementation methods are the same as those in Specific Implementation Method 1.

[0071] Specific implementation method eight: A rope-fixed pipe insulation cotton outer protective skin installation locker, the locking positioning element includes a positioning nut 13;

[0072] A threaded section is provided at the rear of the rope clamping groove 1-4 of the locking tube 1. The positioning nut 13 is threadedly connected to the locking tube 1. During operation, the positioning nut 13 rotates and clamps the rope 2.

[0073] In this embodiment: after the positioning nut is rotated, it clamps the rope placed in the rope clamping groove. Optionally, a protective sleeve is fitted on the rear of the threaded section of the locking tube to prevent construction personnel from rubbing their hands during operation.

[0074] Specific implementation method nine: A locking device for installing the outer protective skin of pipe insulation cotton that is securely fixed by rope, wherein the tension spring 16 and the stop hook mechanism 4 are connected by a chain 17.

[0075] In this embodiment: the chain is a long, thin, loop-type iron chain, with a hook (optional eye hook) connected to the front and a tension spring with hanging rings at both ends connected to the rear. The tension spring pulls on the chain and the rear eye bolt.

[0076] Alternatively, as a precaution, the two ends of the tension spring are connected by a safety rope to prevent damage from accidental overstretching.

[0077] Other implementation methods are the same as those in Specific Implementation Method 1.

[0078] Specific Implementation Method 10: A locking device for installing a securely fixed pipe insulation cotton outer sheath, wherein the front end of the locking tube 1 is provided with a chain holding groove 1-6 arranged opposite to each other, and the chain holding groove 1-6 is used to pass through the chain 17.

[0079] In this embodiment: Optionally, the front end of the locking tube has a chain groove, the width of which is greater than the thickness of a single link of the chain, and the length of which is less than the length of a single link of the chain. The chain groove is at a 90-degree angle to the rope hole on the circular cross-section of the locking tube. During operation, when it is necessary to stop the movement, the hook with the hanging ring at the end is pulled out and hung on the rope wrapped with the outer protective sheath. Then, a section of the rope wrapped around the small groove of the locking tube is embedded into the small groove and fixed. This completes the stopping of the locking tube.

[0080] Alternatively, the chain holding groove can be bulb-shaped.

[0081] Other implementation methods are the same as those in specific implementation method nine.

[0082] Working principle:

[0083] 1. Concealed stop hook mechanism structure;

[0084] The improved hook slider is cylindrical with a through hole in the middle of the side. After the spring is inserted, top beads are inserted on both sides. This structure solves the problem that the spring is easily deformed and the stop hook mechanism is easy to break through in the original technology. After the improvement of the stop hook mechanism, an L-shaped hook is set at the front end of the stop hook mechanism, and the head hook and the middle hook are not on the same plane, creating an axial angle of about 35°, which makes the rope more stable.

[0085] 2. Clamping port structure;

[0086] The improved clamping port shape adopts a U-shape or a slanted horseshoe shape. A clamping positioning element is added to one side of the U-shaped port. The clamping positioning element adopts a clamping ring or a threaded sleeve + positioning nut. This solves the problem that the pressure plate on the clamping port is easy to deform and is not conducive to rope clamping. It has the advantages of stable structure, easy operation and easy processing.

[0087] 3. Limiting the hook slider;

[0088] The locking tube has several notches at its front end, and the wall between two adjacent notches is bent towards the axis of the locking tube to block the hook slider. This structure is simple and easy to manufacture.

[0089] 4. Securing the ropes;

[0090] When fixing the rope, a new method was adopted: drilling a hexagonal hole in the locking bar, inserting a hexagonal flange nut, and then fixing it with rope positioning bolts. This method is simpler to make and easier to operate than the original method.

Claims

1. A rope-secured pipe insulation cotton outer sheath installation locking device, characterized in that: It includes a locking tube (1), a rope (2), a hook-holding slider (3), and a stop hook mechanism (4); The rear end of the rope (2) is detachably connected to the rear end of the locking tube (1). The locking tube (1) has at least one rope positioning groove (1-1) in the rear part. The rope positioning groove (1-1) is a semi-circular shape from top to bottom and from back to front. The hook slider (3) is set inside the locking tube (1). A spring (5) is embedded in the middle of the hook slider (3) and passes through the hook slider (3). A top bead (6) is provided between each side of the spring (5) and the inner wall of the locking tube (1). The front end of the locking tube (1) has several notches (1-2). Two adjacent notches (1-2) on the locking tube (1) are connected together. The pipe wall between the two pipes bends towards the axis of the locking pipe (1). The pipe wall of the locking pipe (1) bends towards the axis of the locking pipe (1) to prevent the hook slider (3) from slipping off the front end of the locking pipe (1). The stop hook mechanism (4) is connected to the front end of the hook slider (3). The hook slider (3) moves inside the locking pipe (1) to release and retract the stop hook mechanism (4). When working, after the rope (2) is wrapped around the outer sheath of the pipe insulation cotton, the rope is wound into the rope positioning groove (1-1) for positioning. Finally, the stop hook mechanism (4) is pulled out and hung on the rope (2) wrapped around the outer sheath. The locking device may include a locking tube (1), a rope (2), a hook slider (3), a stop hook mechanism (4), and a locking positioning element; The rear end of the rope (2) is detachably connected to the rear end of the locking tube (1). The locking tube (1) has at least one rope clamping groove (1-4) in its rear part. The locking hole positioning element is located outside the locking tube (1) at the rear of the last rope clamping groove (1-4). The locking hole positioning element can move and be positioned outside the locking tube (1). The hook slider (3) is located inside the locking tube (1). A spring (5) is installed in the through hole in the middle of the hook slider (3). A top bead (6) is provided between the spring (5) and the inner wall of the locking tube (1). The tube wall between two adjacent notches (1-2) on the locking tube (1) is tightened. The locking tube (1) bends in the axial direction, and the wall of the locking tube (1) bends in the axial direction of the locking tube (1) to prevent the hook slider (3) from slipping off the front end of the locking tube (1). The stop hook mechanism (4) is connected to the front end of the hook slider (3). The hook slider (3) moves in the locking tube (1) to release and retract the stop hook mechanism (4). When working, after the rope (2) is wrapped around the outer sheath of the pipe insulation cotton, the rope is wound into the rope clamping groove (1-4) for positioning. After the tight-mouth positioning element moves to a new position, it clamps the rope (2). Finally, the stop hook mechanism (4) is pulled out and hung on the rope (2) wrapped around the outer sheath. The locking device may include a locking tube (1), a rope (2), a tension spring (16), and a stop hook mechanism (4); The rear end of the rope (2) is detachably connected to the rear end of the locking tube (1). At least one rope placement groove (1-5) is provided in the rear part of the locking tube (1). The rear end of the tension spring (16) is connected to the bottom of the front end of the rope placement groove (1-5). The front end of the tension spring (16) is connected to the stop hook mechanism (4). When working, after the rope (2) is wrapped around the outer sheath of the pipe insulation cotton, the rope is wound into the rope placement groove (1-5) for positioning. Finally, the stop hook mechanism (4) is pulled out and hung on the rope (2) wrapped around the outer sheath.

2. The rope-fixing pipe insulation cotton outer sheath installation locking device according to claim 1, characterized in that: The wall of the locking tube (1) is provided with a rope hole (1-3) for inserting the head of the rope (2).

3. The cable-locking device for securing pipe insulation cotton outer sheath as described in claim 1, characterized in that: The front end of the hook slider (3) is connected to a lifting eye bolt (8), and the lifting eye of the lifting eye bolt (8) and the stop hook mechanism (4) are interlocked.

4. The cable-locking device for securing pipe insulation cotton outer sheath as described in claim 3, characterized in that: The stop hook mechanism (4) includes a hook (4-1) with a lifting ring at the tail and n T-shaped hooks (4-2). The rear end of the hook (4-1) with a lifting ring at the tail end is nested with the lifting ring of the lifting ring bolt (8). n T-shaped hooks are set on the middle straight rod of the hook (4-1) with a lifting ring at the tail end and are integrated with the hook (4-1) with a lifting ring at the tail end. n≥0, and n is an integer.

5. A rope-fixed pipe insulation cotton outer sheath installation locking device according to claim 4, characterized in that: The maximum length of the hook head of the hook (4-1) with the hook ring at the tail along the radial direction of the locking tube (1) is greater than the inner diameter length of the locking tube (1).

6. The cable-locking device for securing pipe insulation cotton outer sheath as described in claim 1, characterized in that: Behind the rope clamping groove (1-4) is a guide adjustment groove (9) set on the wall of the locking tube (1). The guide adjustment groove (9) is lightning-shaped. The clamping positioning element includes a clamping ring (10) and a positioning pin (11). The clamping ring (10) is fitted on the locking tube (1), and the positioning pin (11) is fixed on the clamping ring (10). The positioning pin (11) passes into the guide adjustment groove (9). When working, the clamping ring (10) clamps the rope (2) after adjusting its position.

7. A rope-fixed pipe insulation cotton outer sheath installation locking device according to claim 1, characterized in that: A hexagonal flange nut (14) is embedded in the locking tube (1), and a rope positioning bolt (7) is threadedly connected to the hexagonal flange nut (14). The rope positioning bolt (7) presses down on the rope (2) to position the rope (2).

8. The cable-locking device for securing pipe insulation cotton outer sheath as described in claim 1, characterized in that: The tight-fitting positioning element includes a positioning nut (13); A threaded section is provided behind the rope clamping groove (1-4) of the locking tube (1). The positioning nut (13) is threadedly connected to the locking tube (1). When working, the positioning nut (13) rotates and clamps the rope (2).

9. A rope-fixed pipe insulation cotton outer sheath installation locking device according to claim 4, characterized in that: The tension spring (16) and the stop hook mechanism (4) are connected by a chain (17).

10. A rope-fixed pipe insulation cotton outer sheath installation locking device according to claim 9, characterized in that: The front end of the locking tube (1) is provided with a chain holding groove (1-6) that is oppositely arranged, and the chain holding groove (1-6) is used to pass through the chain (17).

Images