CN219005846U

CN219005846U - Coiled tubing clamping device

Info

Publication number: CN219005846U
Application number: CN202320223540.0U
Authority: CN
Inventors: 陈江波; 张勇; 李洋
Original assignee: Karamay Yurun Technology Service Co ltd
Current assignee: Karamay Yurun Technology Service Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-05-12
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of clamping devices, in particular to a coiled tubing clamping device, which comprises a bottom plate for supporting and fixing the clamping devices of oil tubes with different thicknesses, a sliding component for clamping and fixing the oil tubes at the upper end of the bottom plate, and a clamping component for clamping connecting oil tubes with different thicknesses at the upper end of the bottom plate, wherein the clamping component has the beneficial effects that: the middle part at clamping device is provided with two-way grip block, when needs press from both sides the fastening to connecting oil pipe and timing, the gear rotates and can drive two grip blocks and draw close in the middle and drive the grip block to press from both sides tight to connecting oil pipe to press from both sides tight effect fine, and grip block itself can select according to connecting oil pipe's thickness, thereby select suitable grip block to press from both sides tightly the connecting pipe, promote the effect of pressing from both sides tight in the time of simple to operate.

Description

Coiled tubing clamping device

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a coiled tubing clamping device.

Background

The coiled tubing is a tubing made of low-carbon alloy steel, has good flexibility, is also called a flexible tubing, and has a length of several kilometers. The continuous oil pipe operation equipment has the characteristics of pressurized operation and continuous lifting, and is small in size, quick in operation period and low in cost. The injector head is the core component of the coiled tubing unit, and the clamping device is one of the most important components on the injector head, which functions to clamp and transport the coiled tubing.

In CN206468310U authorized in china, a coiled tubing clamping device is provided, which achieves the aim of simplifying the structure by improving the structures of a paw and a paw track, and improves a power element for driving the paw to move, and drives a gear to rotate through the power element, so that clamping or loosening of a clamping block to the coiled tubing is achieved through the movement of a gear and a rack.

However, when the clamping device works, the oil wells with different calibers need to be connected with oil pipes with different sizes, so that the claws need to be replaced frequently in the working process, and the claws are directly fixed on one side of the power element, so that the claws with larger calibers need to be made again for clamping, thereby being very inconvenient, and the claws need to be replaced each time when the oil pipes with different calibers are clamped, and the efficiency is affected due to delay time.

Therefore, it is necessary to design a coiled tubing gripping apparatus.

Disclosure of Invention

Therefore, the utility model provides the coiled tubing clamping device, and the problems that the clamping device is inconvenient because the claws are required to be replaced frequently in the operation process and are directly fixed on one side of a power element, and the claws with larger caliber are required to be clamped again, and the claws are required to be replaced each time when the connecting oil pipes with different calibers are clamped, so that the efficiency is affected and the like are solved.

In order to achieve the above object, the present utility model provides the following technical solutions: a coiled tubing holding device comprising:

the bottom plate is used for supporting and fixing the clamping devices of the oil pipes with different thicknesses;

the sliding component is used for clamping and fixing the oil pipe at the upper end of the bottom plate;

and the clamping assembly is used for clamping the connecting oil pipes with different thicknesses at the upper end of the bottom plate.

Preferably, the sliding assembly comprises two supporting frames, the two supporting frames are uniformly and fixedly connected to two sides of the upper end of the bottom plate, the two side walls of the two supporting frames are connected with input shafts in a penetrating and rotating mode, and the number of the input shafts is two.

Preferably, two one ends of the input shafts are fixedly connected with gears, the number of the gears is two, the side walls of the gears are in meshed connection with toothed bars, the number of the toothed bars is two, and the side walls of the toothed bars are fixedly connected with connecting blocks.

Preferably, the quantity of connecting block is two sets of, and two sets of the lateral wall of connecting block all is provided with the spout, the quantity of spout is two sets of, two the equal sliding connection of rack bar is in the middle part of spout, two sets of the equal fixedly connected with slider of lateral wall of connecting block.

Preferably, the number of the sliding blocks is two, sliding cavities are formed in the lower ends of the inner walls of the supporting frames, the number of the sliding cavities is two, the side walls of the sliding blocks are slidably connected to the middle parts of the two sliding cavities, the side walls of the connecting blocks are fixedly connected with sliding plates, and the number of the sliding plates is two.

Preferably, the clamping assembly comprises two groups of trapezoidal sliding grooves, the two groups of trapezoidal sliding grooves are uniformly formed in the side walls of the two sliding plates, and the middle parts of the two groups of trapezoidal sliding grooves are respectively and slidably connected with a trapezoidal sliding block.

Preferably, the number of the trapezoidal sliding blocks is two, two groups of the trapezoidal sliding blocks are fixedly connected with clamping plates on the side walls of the trapezoidal sliding blocks, the number of the clamping plates is two, oil pipe grooves are formed in the side walls of the two clamping plates, and the number of the oil pipe grooves is two.

Preferably, the side walls of the two sliding plates are respectively connected with two studs in a penetrating threaded manner, one ends of the two studs are respectively connected with the middle parts of the side walls of the two clamping plates in a threaded manner.

The beneficial effects of the utility model are as follows: the middle part at clamping device is provided with two-way grip block, when needs press from both sides the fastening to connecting oil pipe and timing, the gear rotates and can drive two grip blocks and draw close in the middle and drive the grip block to press from both sides tight to connecting oil pipe to press from both sides tight effect fine, and grip block itself can select according to connecting oil pipe's thickness, thereby select suitable grip block to press from both sides tightly the connecting pipe, promote the effect of pressing from both sides tight in the time of simple to operate.

Drawings

FIG. 1 is a top view of a coiled tubing holding apparatus according to the present utility model;

FIG. 2 is a top cross-sectional view of a coiled tubing holding apparatus provided by the present utility model;

FIG. 3 is a side cross-sectional view of a coiled tubing holding apparatus provided by the present utility model;

FIG. 4 is a schematic view of a connecting block of a coiled tubing clamping device according to the present utility model;

in the figure: 1. a slide plate; 2. a clamping plate; 3. a trapezoidal chute; 4. a bottom plate; 5. an oil pipe groove; 6. a support frame; 7. an input shaft; 8. a trapezoidal slider; 9. a stud; 10. a toothed bar; 11. a chute; 12. a slide block; 13. a connecting block; 14. a gear; 15. a sliding cavity.

Description of the embodiments

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-4, the coiled tubing clamping device provided by the utility model comprises a bottom plate 4 for supporting and fixing oil pipes with different thicknesses, a sliding component for clamping and fixing the oil pipes at the upper end of the bottom plate 4, and a clamping component for clamping connecting oil pipes with different thicknesses at the upper end of the bottom plate 4, wherein the sliding component comprises supporting frames 6, the supporting frames 6 can play a role in supporting and fixing and are made of metal, the number of the supporting frames 6 is two, the two supporting frames 6 are uniformly and fixedly connected at two sides of the upper end of the bottom plate 4, the side walls of the two supporting frames 6 are respectively connected with an input shaft 7 in a penetrating and rotating way, the input shafts 7 can play a role in connecting and rotating and are made of metal, the number of the input shafts 7 is two, one ends of the two input shafts 7 are respectively fixedly connected with a gear 14, the gear 14 can play a role in rotation and engagement connection and is made of metal, the number of the gears 14 is two, the side walls of the two gears 14 are respectively engaged and connected with the toothed bars 10, the toothed bars 10 can play a role in sliding and engagement connection, the gear is made of metal, the number of the toothed bars 10 is two, the side walls of the two groups of the toothed bars 10 are respectively fixedly connected with the connecting blocks 13, the connecting blocks 13 can play a role in sliding and connection, the gear is made of metal, the number of the connecting blocks 13 is two, the side walls of the two groups of the connecting blocks 13 are respectively provided with a sliding groove 11, the sliding grooves 11 facilitate the sliding of the toothed bars 10, the number of the sliding grooves 11 is two, the two toothed bars 10 are respectively and slidably connected with the middle parts of the sliding grooves 11, the side walls of the two groups of the connecting blocks 13 are respectively fixedly connected with the sliding blocks 12, the sliding blocks 12 can play a role in sliding and connection, the sliding blocks 12 are respectively made of metal, the lower ends of the inner walls of the two supporting frames 6 are respectively provided with a sliding cavity 15, the middle parts of the sliding cavities 15 facilitate sliding of the sliding blocks 12, the number of the sliding cavities 15 is two, the side walls of the two groups of sliding blocks 12 are respectively and slidably connected with the middle parts of the two sliding cavities 15, the side walls of the two groups of connecting blocks 13 are respectively and fixedly connected with the sliding plates 1, the sliding plates 1 can play a role in sliding and connecting, the sliding plates 1 are made of metal, the number of the sliding plates 1 is two, the clamping assembly comprises two trapezoidal sliding grooves 3, the trapezoidal sliding grooves 3 facilitate the sliding of the trapezoidal sliding blocks 8, the number of the trapezoidal sliding grooves 3 is two, the two groups of trapezoidal sliding grooves 3 are uniformly arranged on the side walls of the two sliding plates 1, the middle parts of the two groups of the trapezoidal sliding grooves 3 are respectively and slidably connected with the trapezoidal sliding blocks 8, the trapezoidal sliding blocks 8 can play a role in connecting and sliding, the clamping plates 2 are fixedly connected with the side walls of the two groups of trapezoidal sliding blocks 8, the clamping plates 2 can slide and clamp, the clamping plates are made of metal, the number of the clamping plates 2 is two, oil pipe grooves 5 are formed in the side walls of the two clamping plates 2, the oil pipe grooves 5 can be used for replacing different clamping plates 2 according to the thickness of a connecting oil pipe, the number of the oil pipe grooves 5 is two, the side walls of the two sliding plates 1 are connected with studs 9 through threads, the studs 9 can play a role in rotation and threaded connection, the clamping plates are made of metal, the number of the studs 9 is two, and one ends of the two studs 9 are connected with the middle parts of the side walls of the two clamping plates 2 through threads;

the application process of the utility model is as follows: the person skilled in the art firstly selects a proper clamping plate 2 according to the thickness of a connecting oil pipe, then slides two clamping plates 2 into the middle of a trapezoid chute 3 for connection through a trapezoid sliding block 8, at the moment, a stud 9 is used for rotating and can slide into the middle of the side wall of the clamping plate 2 for fixing, then the connecting oil pipe is put between the two clamping plates 2, an input device is arranged at one end of two input shafts 7 for driving the input shafts 7 to rotate and driving a gear 14 to rotate, the power of the two input devices is the same as the rotating speed, the rotating directions and the rotating speeds of the two gears 14 are the same, so that rack bars 10 on the upper side and the lower side are driven to carry out meshing sliding, redundant rack bars 10 can slide into the middle of a chute 11, a connecting block 13 is driven to slide, two sliding plates 1 are driven to slide towards the middle, and two clamping plates 2 are driven to slide towards the middle and clamp and fix the connecting oil pipe.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. A coiled tubing holding device, comprising:

a bottom plate (4) for supporting and fixing the clamping devices of the oil pipes with different thicknesses;

the sliding component is used for clamping and fixing the oil pipe at the upper end of the bottom plate (4);

and the clamping assembly is used for clamping connecting oil pipes with different thicknesses at the upper end of the bottom plate (4).

2. A coiled tubing holding device according to claim 1, wherein: the sliding assembly comprises two supporting frames (6), wherein the two supporting frames (6) are uniformly and fixedly connected to two sides of the upper end of the bottom plate (4), the two side walls of the two supporting frames (6) are connected with input shafts (7) in a penetrating and rotating mode, and the two input shafts (7) are arranged.

3. A coiled tubing holding device according to claim 2, wherein: two the one end of input shaft (7) is all fixedly connected with gear (14), the quantity of gear (14) is two, two the lateral wall of gear (14) is all meshed and is connected with rack bar (10), the quantity of rack bar (10) is two sets of, two sets of the lateral wall of rack bar (10) is all fixedly connected with connecting block (13).

4. A coiled tubing holding device according to claim 3, wherein: the number of the connecting blocks (13) is two, the side walls of the two groups of connecting blocks (13) are provided with sliding grooves (11), the number of the sliding grooves (11) is two, the two toothed bars (10) are connected to the middle of the sliding grooves (11) in a sliding mode, and the side walls of the two groups of connecting blocks (13) are fixedly connected with sliding blocks (12).

5. A coiled tubing holding device according to claim 4, wherein: the number of the sliding blocks (12) is two, sliding cavities (15) are formed in the lower ends of the inner walls of the supporting frames (6), the number of the sliding cavities (15) is two, the two groups of the sliding blocks (12) are slidably connected to the middle parts of the two sliding cavities (15), the two groups of the sliding blocks (13) are fixedly connected with sliding plates (1) on the side walls of the connecting blocks, and the number of the sliding plates (1) is two.

6. A coiled tubing holding device according to claim 1, wherein: the clamping assembly comprises two groups of trapezoidal sliding grooves (3), the trapezoidal sliding grooves (3) are uniformly arranged on the side walls of the two sliding plates (1), and the middle parts of the trapezoidal sliding grooves (3) are slidably connected with trapezoidal sliding blocks (8).

7. A coiled tubing holding device according to claim 6, wherein: the number of the trapezoid sliders (8) is two, two groups of the trapezoid sliders (8) are fixedly connected with clamping plates (2) on the side walls, the number of the clamping plates (2) is two, oil pipe grooves (5) are formed in the side walls of the two clamping plates (2), and the number of the oil pipe grooves (5) is two.

8. A coiled tubing holding device according to claim 7, wherein: the side walls of the two sliding plates (1) are respectively connected with two studs (9) in a penetrating threaded manner, the number of the studs (9) is two, and one ends of the two studs (9) are respectively connected with the middle parts of the side walls of the two clamping plates (2) in a threaded manner.