Safety belt hanging point device for pressure vessel operation

Abstract

A safety belt hanging point device for pressure vessel operation comprises a main rope, a flexible rope, annular rings, adjusters and a tightener, the main rope and the flexible rope penetrate through the annular rings, the adjusters are arranged at the two ends of the main rope to form rope buckles, and the rope buckles are connected with connecting rings of the tightener. Therefore, the main rope, the flexible rope, the annular ring, the adjuster and the tightener are connected into a whole, the length of the main rope is adjusted through the adjuster, the main rope is tightened through the tightener, the main rope is tightly connected with the outer wall of the pressure container, the safety belt hanging point is arranged on the flexible rope, and the safety belt hanging point does not need to be arranged on a pipeline and a support of the pressure container.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary equipment for pressure vessel operation, and relates to a seat belt hanging point device for pressure vessel operation. Background Art

[0002] As a special equipment, the operation safety of a pressure vessel is of vital importance. When operating on a pressure vessel, it is mostly high-altitude operation, so the use of a seat belt is essential. However, arranging seat belt hanging points on a pressure vessel has always been a difficult problem. Arranging seat belt hanging points for hot work on the pressure vessel body is strictly restricted, and pipelines, brackets, etc. on the pressure vessel body are not suitable as seat belt hanging points due to their structural characteristics and safety factors. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a seat belt hanging point device for pressure vessel operation. By passing the main rope and the flexible rope through a plurality of annular rings, adjusters are arranged at both ends of the main rope to form a rope buckle, and the rope buckle is connected to the connecting ring of the tightening device, so that the main rope, the flexible rope, the annular rings, the adjusters and the tightening device are connected into a whole. The length of the main rope is adjusted by the adjuster, and the main rope is tightened by the tightening device, so that the main rope is tightly connected to the outer wall of the pressure vessel. The seat belt hanging point is arranged on the flexible rope, and there is no need to arrange the seat belt hanging point on the pipelines and brackets of the pressure vessel.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a seat belt hanging point device for pressure vessel operation, which includes a main rope, a flexible rope, annular rings, adjusters and a tightening device; both the main rope and the flexible rope pass through a plurality of annular rings; two adjusters are respectively arranged at both ends of the main rope; the tightening device is connected to both ends of the main rope; both ends of the flexible rope are connected and fixed to each other; the adjuster adjusts the length of the main rope, and the tightening device tightens the main rope.

[0005] The adjuster is of a hollow tube structure, and at least one fastener penetrating the tube body is arranged outside the tube body.

[0006] After the end of the main rope passes through the adjuster, it turns back and passes through the adjuster again, and the rotating fastener presses and holds the main rope to be fastened, forming a rope buckle at one end of the adjuster.

[0007] The annular ring is of a long waist-shaped structure, and the main rope and the flexible rope are respectively located in the two arc ends of the annular ring.

[0008] The tightening device includes a left-handed external threaded rod and a right-handed external threaded rod that are matched at both ends of a positive and negative threaded tube, and two connecting rings are respectively connected to the ends of the left-handed external threaded rod and the right-handed external threaded rod; the rope buckle at the end of the adjuster is connected to the connecting ring.

[0009] Left and right nuts are respectively arranged at both ends of the positive and negative threaded pipe to cooperate with the left-handed external threaded rod and the right-handed external threaded rod.

[0010] A fixed adjusting nut is arranged in the middle of the outer wall of the positive and negative threaded pipe.

[0011] The main beneficial effects of the present utility model are as follows:

[0012] Pass the main rope and the flexible rope through a plurality of annular rings. Adjusters are arranged at both ends of the main rope to form a rope buckle, and the rope buckle is connected to the connecting ring of the tightening device, so that the main rope, the flexible rope, the annular rings, the adjusters and the tightening device are connected into a whole, and the operation is simple and convenient.

[0013] Adjusters are arranged at both ends of the main rope to adjust the length of the main rope, so as to adapt to pressure vessels of different sizes.

[0014] After the length of the main rope is adjusted, the main rope is tightened by the tightening device, so that the main rope can closely contact the outer wall of the pressure vessel, and the main rope is prevented from slipping along the outer wall of the pressure vessel.

[0015] The adjuster adopts a hollow tube body to cooperate with a fastener. Before adjusting the main rope, loosen the fastener, and after adjustment, press and hold the main rope by rotating the fastener to lock it. The operation is simple and convenient.

[0016] The tightening device adopts a left-handed external threaded rod and a right-handed external threaded rod to cooperate with the positive and negative threaded pipe. Just rotate the positive and negative threaded pipe to make the left-handed external threaded rod and the right-handed external threaded rod approach each other, so as to pull both ends of the main rope to make it contact the outer wall of the pressure vessel more closely. Description of the Drawings

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0018] Figure 1 is a structural schematic diagram of the present utility model;

[0019] Figure 2 is a diagram of the use state of the present utility model;

[0020] In the figure: pressure vessel 1; main rope 2; flexible rope 3; annular ring 4; adjuster 5; tightening device 6; left-handed external threaded rod 7; right-handed external threaded rod 8; left nut 9; right nut 10. Detailed Embodiment

[0021] As Figures 1 to 2Among them, a safety belt hanging point device for pressure vessel operation includes a main rope 2, a flexible rope 3, an annular ring 4, an adjuster 5 and a tightening device 6; both the main rope 2 and the flexible rope 3 pass through a plurality of annular rings 4; two adjusters 5 are respectively arranged at both ends of the main rope 2; the tightening device 6 is connected to both ends of the main rope 2; both ends of the flexible rope 3 are connected and fixed to each other; the adjuster 5 adjusts the length of the main rope 2, and the tightening device 6 tightens the main rope 2. By passing the main rope and the flexible rope through a plurality of annular rings, adjusters are arranged at both ends of the main rope to form a rope buckle, and the rope buckle is connected to the connecting ring of the tightening device, so that the main rope, the flexible rope, the annular ring, the adjuster and the tightening device are connected into a whole. The length of the main rope is adjusted by the adjuster, and the main rope is tightened by the tightening device, so that the main rope is tightly connected to the outer wall of the pressure vessel 1. The safety belt hanging point is arranged on the flexible rope, and there is no need to arrange the safety belt hanging point on the pipeline and bracket of the pressure vessel 1.

[0022] In a preferred solution, the adjuster 5 is a hollow tube structure, and at least one fastener penetrating the tube body is arranged outside the tube body. The structure is simple. By arranging the fastener on the outer wall of the adjuster 5, the main rope 2 is pressed by the fastener.

[0023] In a preferred solution, after the end of the main rope 2 passes through the adjuster 5, it passes through the adjuster 5 again, and the rotating fastener presses the main rope 2 to be fastened, forming a rope buckle at one end of the adjuster 5. During use, by adopting the method of passing through the adjuster 5 in a rotary manner, the end of the main rope 2 can form a rope buckle, and the rope buckle is connected to the tightening device 6, which is convenient and fast.

[0024] In a preferred solution, the annular ring 4 is a long waist-shaped structure, and the main rope 2 and the flexible rope 3 are respectively located in the two arc ends of the annular ring 4. During use, a plurality of annular rings 4 are used as connectors between the main rope 2 and the flexible rope 3, and the tension borne by the flexible rope 3 is dispersed to the main rope 2; when the main rope 2 is connected to the pressure vessel 1 and tightened, the safety belt hanging point can be suspended on the flexible rope 3.

[0025] Preferably, the flexible rope 3 is made of nylon material with high wear resistance and tensile strength, which is beneficial to improve toughness while maintaining good corrosion resistance.

[0026] In a preferred solution, the tightening device 6 includes a left-handed external threaded rod 7 and a right-handed external threaded rod 8 that are matched at both ends of a positive and negative threaded tube, and two connecting rings are respectively connected to the ends of the left-handed external threaded rod 7 and the right-handed external threaded rod 8; the rope buckle at the end of the adjuster 5 is connected to the connecting ring. During use, due to the cooperation of the positive and negative threaded tube with the left-handed external threaded rod 7 and the right-handed external threaded rod 8, when the positive and negative threaded tube is rotated, the left-handed external threaded rod 7 and the right-handed external threaded rod 8 approach each other, pulling the distance between the two ends of the main rope 2, thereby tightening the main rope 2 on the outer wall of the pressure vessel 1.

[0027] In a preferred solution, left nut 9 and right nut 10 are respectively arranged at both ends of the left - and - right - hand threaded pipe and are matched with the left - hand external threaded rod 7 and the right - hand external threaded rod 8. When in use, after the main rope 2 is tightened, rotate left nut 9 and right nut 10 to press both ends of the left - and - right - hand threaded pipe, so as to avoid loosening during the operation.

[0028] In a preferred solution, a fixed adjusting nut is arranged in the middle of the outer wall of the left - and - right - hand threaded pipe. When in use, apply torque with a wrench to rotate the adjusting nut on the outer wall of the left - and - right - hand threaded pipe, and then the left - and - right - hand threaded pipe can be rotated. The operation is simple.

[0029] The above - mentioned embodiments are only the preferred technical solutions of the present utility model and should not be regarded as limitations on the present utility model. The embodiments in this application and the features in the embodiments can be arbitrarily combined with each other without conflict. The protection scope of the present utility model should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, the equivalent replacement improvements within this scope are also within the protection scope of the present utility model.

Claims

1. A safety belt hanging point device for pressure vessel operation, characterized in that: It includes a main rope (2), a flexible rope (3), a loop (4), an adjuster (5) and a tightening device (6); both the main rope (2) and the flexible rope (3) pass through a plurality of loops (4); two adjusters (5) are respectively arranged at both ends of the main rope (2); the tightening device (6) is connected to both ends of the main rope (2); both ends of the flexible rope (3) are connected and fixed to each other; the adjuster (5) adjusts the length of the main rope (2), and the tightening device (6) tightens the main rope (2).

2. The seat belt hanging point device for pressure vessel operation according to claim 1, characterized in that: The adjuster (5) is of a hollow tube structure, and at least one fastener penetrating the tube body is arranged outside the tube body.

3. The seat belt hanging point device for pressure vessel operation according to claim 2, characterized in that: After the end of the main rope (2) passes through the adjuster (5), it turns back and passes through the adjuster (5) again, and the rotating fastener presses and holds the main rope (2) to be fastened, forming a rope buckle at one end of the adjuster (5).

4. The safety belt hanging point device for pressure vessel operation according to claim 1, characterized in that: The loop (4) is of an oblong structure, and the main rope (2) and the flexible rope (3) are respectively located inside the two arc ends of the loop (4).

5. The seat belt hanging point device for pressure vessel operation according to claim 1, wherein: The tightening device (6) includes a left-handed external threaded rod (7) and a right-handed external threaded rod (8) which are matched at both ends of a left-right threaded tube, and two connecting rings are respectively connected to the ends of the left-handed external threaded rod (7) and the right-handed external threaded rod (8); the rope buckle at the end of the adjuster (5) is connected to the connecting ring.

6. The seat belt hanging point device for pressure vessel operation according to claim 5, wherein: Left nuts (9) and right nuts (10) are respectively arranged at both ends of the left-right threaded tube and are matched with the left-handed external threaded rod (7) and the right-handed external threaded rod (8).

7. The seat belt hanging point device for pressure vessel operation according to claim 5, characterized in that: A fixed adjusting nut is arranged in the middle of the outer wall of the left-right threaded tube.

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