Petroleum drilling winch rope clamping device

Abstract

The utility model discloses a petroleum drilling winch rope clamping device, which relates to the technical field of winch rope clamping, and is characterized in that the petroleum drilling winch rope clamping device comprises a rope clamping mechanism and rope limiting structures, the rope clamping mechanism comprises a fixed plate, a movable plate and a rotating plate which are sequentially arranged from top to bottom, and one side of the fixed plate, one side of the movable plate and one side of the rotating plate are all provided with the rope limiting structures. The rope limiting structure comprises a limiting clamping block which is detachably installed, first arc-shaped grooves are formed in the sides, close to the limiting clamping block, of the fixed plate, the movable plate and the rotating plate, a second arc-shaped groove is formed in one side of the limiting clamping block, studs are arranged on the two sides of the first arc-shaped groove, through holes are formed in the two ends of the limiting clamping block, and the first arc-shaped groove and the second arc-shaped groove are communicated through the through holes. And the stud penetrates through the through hole and is in threaded connection with a limiting nut. The rope clamping mechanism has the technical effects that by arranging the rope limiting structure, when the rope clamping mechanism is used, the rope does not need to be threaded from the tail end of the rope, and when the tail end of the rope is connected with a component, use and disassembly are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to winch rope clamping technical field, concretely is petroleum drilling winch rope clamping device. BACKGROUND

[0002] Drilling is the work of drilling a hole in the ground using mechanical equipment or manpower. It usually refers to the drilling of wellbores and large-diameter water supply wells for the exploration or development of liquid and gaseous mineral products such as oil and natural gas. Drilling is widely used in national economic construction. At the same time, winches are often used to lift heavy objects during drilling. The existing winch generally needs to be equipped with a rope clamping device to lock the rope.

[0003] The existing Chinese patent with publication number CN219689194U discloses a petroleum drilling winch rope clamping device, which includes a fixed frame, a motor fixedly connected at the top center of the fixed frame, a motor drive shaft penetrating through the fixed frame and fixedly connected with a fixed rod, a winding reel fixedly connected at the bottom of the fixed rod, a limiting tube fixedly connected at the bottom center of the fixed frame, an electric push rod fixedly connected at one end of the top of the fixed frame, a positioning frame fixedly connected at the other end of the electric push rod penetrating through the fixed frame, a wire passing disc fixedly connected at one end of the positioning frame close to the limiting tube, and a wire inlet tube provided at the other end of the top of the fixed frame away from the electric push rod.

[0004] For the above-mentioned related technology, the inventors found that in the above-mentioned technology, when using the rope clamping device, the rope needs to be sequentially threaded through the three wire holes, and when not in use, the rope also needs to be sequentially threaded out of the three wire holes. When the rope has a component connected at the end, it is not convenient to thread the rope through the wire hole, resulting in that the use and disassembly of the rope clamping device are not convenient enough.

[0005] Therefore, we propose a petroleum drilling winch rope clamping device. UTILITY MODEL CONTENT

[0006] (I) Technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a petroleum drilling winch rope clamping device, which solves the problem of inconvenient use and disassembly of the rope clamping device.

[0008] (II) Technical solution

[0009] In order to achieve the above object, the utility model provides the following technical scheme: Petroleum drilling winch rope clamping device, including rope clamping mechanism and rope limiting structure, the rope clamping mechanism includes the fixed plate, movable plate and rotating plate that are sequentially arranged from top to bottom, one side of fixed plate, movable plate and rotating plate all is provided with rope limiting structure, the top of fixed plate is fixedly installed with motor, the output of motor is fixedly connected with connecting shaft, the lower end of connecting shaft is fixedly connected with rotating plate, the middle part of connecting shaft is provided with screw portion, movable plate is sleeved on screw portion and is connected with screw portion screw thread, the rope limiting structure includes the limiting stopper of detachable installation, the side close to limiting stopper of fixed plate, movable plate and rotating plate all is seted up with first arc slot, the side of limiting stopper is seted up with second arc slot, the both sides of fixed plate, movable plate and rotating plate at first arc slot all are fixedly connected with stud, both ends of limiting stopper all are seted up with through -hole, stud passes through through -hole and is connected with limiting nut screw thread.

[0010] The rope limiting structure includes a detachable limiting stopper, the side close to the limiting stopper of the fixed plate, the movable plate and the rotating plate is provided with a first arc slot, the side of the limiting stopper is provided with a second arc slot, the both sides of the fixed plate, the movable plate and the rotating plate located at the two sides of the first arc slot are fixedly connected with studs, both ends of the limiting stopper are provided with through holes, the studs penetrate through the through holes and are connected with limiting nuts in screw thread.

[0011] Preferably, one end of the fixed plate is fixedly connected with a mounting plate, and mounting holes are formed in the four corners of the mounting plate.

[0012] Preferably, one side of the movable plate is fixedly connected with a guide rod, and the guide rod is slidably penetrated above the fixed plate.

[0013] Preferably, the upper end of the guide rod is fixedly connected with a limiting block.

[0014] Preferably, the first arc slot and the second arc slot combine to form a rope passing hole.

[0015] Preferably, the inner walls of the first arc slot and the second arc slot are embedded with balls.

[0016] Preferably, the limiting nut is fixedly connected with butterfly blocks on both sides.

[0017] Preferably, an elastic washer is abutted between the limiting nut and the limiting stopper.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the utility model provides a kind of, with following beneficial effects:

[0020] 1. The utility model discloses a rope limiting structure is set, when using the card rope mechanism, only need to put the rope from the fixed plate, movable plate and the one side of rotating plate into the first arc slot, then the limit stopper is covered on the stud, again the limit nut is covered on the stud and is rotated through the butterfly block, makes the limit nut and limit stopper close tightly, makes the first arc slot and the second arc slot combine and form the rope hole, can complete the rope, and vice versa can be disassembled, need not from the rope end and carry the rope, when the component is connected at the rope end, use and disassemble more convenient.

[0021] 2. The utility model discloses a elastic washer is set, can play the shock insulation between limit nut and limit stopper, improve the stability of limit nut. ACCURACY OF DRAWINGS

[0022] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0023] Fig. 2 It is the structure schematic diagram of movable plate of the utility model;

[0024] Fig. 3 It is the structure schematic diagram of rotating plate of the utility model.

[0025] In the drawing:

[0026] 1, card rope mechanism;11, fixed plate;12, movable plate;13, rotating plate;14, motor;15, connecting shaft;16, threaded portion;17, mounting plate;18, guide rod;19, limit block;

[0027] 2, rope limiting structure;21, limit stopper;22, first arc slot;23, second arc slot;24, stud;25, through -hole;26, limit nut;27, rope hole;28, ball;29, butterfly block;210, elastic washer. DETAILED DESCRIPTION

[0028] In the utility model, under the condition of not making opposite statement, the direction such as " upper, lower " used is usually for the direction shown in the drawing, or is for the vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, " left, right " is usually for the left, right shown in the drawing;" inner, outer " refers to the inner, outer of the contour of each component itself, but the above-mentioned direction word is not used to limit the utility model.

[0029] The utility model provides a technical scheme:

[0030] Please refer to Figs. 1-3, the oil drilling winch rope clamping device, including rope clamping mechanism 1 and rope limiting structure 2, the rope clamping mechanism 1 includes the fixed plate 11, the movable plate 12 and the rotating plate 13 arranged in turn from top to bottom, the fixed plate 11, the movable plate 12 and the rotating plate 13 one side is provided with the rope limiting structure 2, the rope limiting structure 2 includes the limiting block 21 of detachable installation, the fixed plate 11, the movable plate 12 and the rotating plate 13 close to the limiting block 21 one side is all set with the first arc slot 22, the limiting block 21 one side is set with the second arc slot 23, the first arc slot 22 and the second arc slot 23 are combined to form the rope through hole 27, the fixed plate 11, the movable plate 12 and the rotating plate 13 are located at the two sides of the first arc slot 22 and are fixedly connected with the stud 24, the limiting block 21 both ends are all set with the through hole 25, the stud 24 is passed through the through hole 25 and is screwed with the limiting nut 26, the limiting nut 26 both sides are fixedly connected with the butterfly block 29, by setting the rope limiting structure 2, when using the rope clamping mechanism 1, only the rope is put into the first arc slot 22 from the side of the fixed plate 11, the movable plate 12 and the rotating plate 13, then the limiting block 21 is set on the stud 24, the limiting nut 26 is set on the stud 24 and is rotated through the butterfly block 29, the limiting nut 26 is tightly contacted with the limiting block 21, the first arc slot 22 and the second arc slot 23 are combined to form the rope through hole 27, the rope can be threaded, and vice versa when disassembling, without threading the rope from the end of the rope, when the end of the rope is connected with a component, the use and disassembly are more convenient.

[0031] Further, the inner walls of the first arc slot 22 and the second arc slot 23 are embedded with the ball 28, by setting the ball 28, the friction between the rope and the inner walls of the first arc slot 22 and the second arc slot 23 can be reduced, so that the rope is smoother.

[0032] Further, the limiting nut 26 and the limiting block 21 are abutted with the elastic washer 210, by setting the elastic washer 210, the limiting nut 26 and the limiting block 21 can be isolated, so as to improve the stability of the limiting nut 26.

[0033] Refer to Figs. 1-3 , one end of the fixed plate 11 is fixedly connected with the mounting plate 17, mounting holes are formed at the four corners of the mounting plate 17, the fixed plate 11 can be installed and fixed through the mounting plate 17, a motor 14 is fixedly installed on the top of the fixed plate 11, a connecting shaft 15 is fixedly connected to the output end of the motor 14, and the lower end of the connecting shaft 15 is fixedly connected with the rotating plate 13, by setting the rope clamping mechanism 1, when the rope needs to be locked, the motor 14 can be started to drive the rotating plate 13 to rotate, so that the rotating plate 13 drives the rope to rotate and wind around the connecting shaft 15, the friction between the rope and the outer wall of the connecting shaft 15 is increased, and the rope is locked.

[0034] Further, the middle part of the connecting shaft 15 is provided with a threaded part 16, the movable plate 12 is sleeved on the threaded part 16 and is threadedly connected with the threaded part 16, one side of the movable plate 12 is fixedly connected with a guide rod 18, the guide rod 18 is slidably penetrated to the upper side of the fixed plate 11, the upper end of the guide rod 18 is fixedly connected with a limiting block 19, by arranging the threaded part 16 matched with the movable plate 12, when the motor 14 drives the rotating plate 13 to rotate, the movable plate 12 will slide downwards along the threaded part 16, so that the movable plate 12 clamps the rope wound on the outer wall of the connecting shaft 15, and the locking effect of the rope is further improved.

[0035] In specific use, the working principle of the utility model is as follows:

[0036] Firstly, when the rope clamping mechanism 1 is used, the rope is only needed to be put into the first arc-shaped groove 22 from one side of the fixed plate 11, the movable plate 12 and the rotating plate 13, then the limiting clamping block 21 is sleeved on the stud 24, the limiting nut 26 is sleeved on the stud 24, the butterfly block 29 is rotated, the limiting nut 26 abuts against the limiting clamping block 21, the first arc-shaped groove 22 and the second arc-shaped groove 23 are combined to form the rope passing hole 27, and the rope passing is completed, and vice versa, so that the rope passing is not needed from the end of the rope.

[0037] Then, when the rope needs to be locked, the motor 14 is started to drive the rotating plate 13 to rotate, the rotating plate 13 drives the rope to rotate and wind around the connecting shaft 15, the friction force between the rope and the outer wall of the connecting shaft 15 is increased, and the rope is locked.

[0038] When the motor 14 drives the rotating plate 13 to rotate, the movable plate 12 will slide downwards along the threaded part 16, so that the movable plate 12 clamps the rope wound on the outer wall of the connecting shaft 15, and the locking effect of the rope is further improved.

[0039] In summary, the rope clamping device of the petroleum drilling winch passes through the arrangement of the rope limiting structure 2, when the rope clamping mechanism 1 is used, the rope passing is not needed from the end of the rope, when the end of the rope is connected with a component, the use and disassembly are more convenient.

[0040] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification, etc. made on the basis of the utility model to solve basically the same technical problem and realize basically the same technical effect is covered in the protection range of the utility model.

Claims

1. A rope clamping device for a petroleum drilling winch, comprising a rope clamping mechanism (1) and a rope limiting structure (2), characterized in that: The card rope mechanism (1) comprises a fixed plate (11), a movable plate (12) and a rotating plate (13) arranged in sequence from top to bottom, one side of the fixed plate (11), the movable plate (12) and the rotating plate (13) is provided with a rope limiting structure (2), the top of the fixed plate (11) is fixedly installed with a motor (14), the output end of the motor (14) is fixedly connected with a connecting shaft (15), the lower end of the connecting shaft (15) is fixedly connected with the rotating plate (13), the middle part of the connecting shaft (15) is provided with a threaded part (16), the movable plate (12) is sleeved on the threaded part (16) and is threadedly connected with the threaded part (16); The rope limiting structure (2) comprises a detachable limiting clamping block (21), the fixed plate (11), the movable plate (12) and the rotating plate (13) are provided with a first arc-shaped groove (22) on the side close to the limiting clamping block (21), the side of the limiting clamping block (21) is provided with a second arc-shaped groove (23), the fixed plate (11), the movable plate (12) and the rotating plate (13) are provided with a threaded hole (25) on the two sides of the first arc-shaped groove (22), the threaded hole (25) is threaded connected with a limiting nut (26).

2. The rope catching device for oil drilling winches according to claim 1, characterized in that: One end of the fixed plate (11) is fixedly connected with a mounting plate (17), four corners of the mounting plate (17) are provided with mounting holes.

3. The rope catching device for oil drilling winches according to claim 1, characterized in that: One side of the movable plate (12) is fixedly connected with a guide rod (18), the guide rod (18) is slidably connected to the upper side of the fixed plate (11).

4. The rope catching device for oil drilling winches according to claim 3, characterized in that: The upper end of the guide rod (18) is fixedly connected with a limiting block (19).

5. The rope catching device for oil drilling winches according to claim 1, characterized in that: The first arc-shaped groove (22) and the second arc-shaped groove (23) combine to form a rope passing hole (27).

6. The rope catching device for oil drilling winches according to claim 1, characterized in that: The inner walls of the first arc-shaped groove (22) and the second arc-shaped groove (23) are embedded with a plurality of ball bearings (28).

7. The rope catching device for oil drilling winches according to claim 1, characterized in that: The two sides of the limiting nut (26) are fixedly connected with a butterfly block (29).

8. The rope catching device for oil drilling winches according to claim 1, characterized in that: The limiting nut (26) and the limiting clamping block (21) are abutted with an elastic washer (210).

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