Sleeve lifting appliance with positioning function

Abstract

The utility model discloses a casing pipe lifting appliance with a positioning function, which relates to the field of casing pipe lifting appliances, and comprises a lifting appliance body, the surface of the lifting appliance body is provided with a lifting assembly which can be used for being matched with an external lifting machine to lift a casing pipe, the lifting assembly comprises three lifting lugs, and the lifting lugs are arranged on the lifting appliance body. One face of each lifting lug is fixedly connected with the surface of the lifting appliance body, and a positioning assembly capable of limiting the center position of the sleeve after rotation is arranged at the bottom of the lifting appliance body. According to the lifting appliance disclosed by the utility model, the lifting appliance body and the sleeve inside the lifting appliance body can be conveniently lifted through the arranged lifting assembly, and the lifting appliance is relatively high in stability and does not shake greatly during transportation, so that the safety of workers on the ground is ensured; and meanwhile, the positioning assembly is arranged in the lifting appliance body, so that the center position of the sleeve can be limited after the sleeve is placed in the lifting appliance body, and the problem that the sleeve displaces when the sleeve is lifted is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of casing hoist, especially in a casing hoist with positioning function. BACKGROUND

[0002] As the key wellhead equipment in the field of oil and gas exploration and development, the casing hoist is an indispensable special lifting device in well cementing operation of oil and gas well, and in the drilling platform operation site, the device mainly undertakes the core task of accurately lifting a single casing from the pipe rack area to the drilling platform surface and completing the accurate butt joint with the casing string.

[0003] The casing is generally fixed by the hoist and then lifted and transported by the hook and the crane when being lifted, but in the prior art, the casing is transported, the weight of the casing is large, the casing shakes in the air after being lifted, which affects the safety of the ground workers, and the casing is easily displaced in the hoist, which causes the casing to tilt and fall off. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a casing hoist with positioning function to solve the problems of shaking in the air during lifting and transportation of the casing, affecting the safety of the ground workers, and displacement of the casing in the hoist, which causes the casing to tilt and fall off.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a casing hoist with positioning function, comprising a hoist body, the surface of the hoist body is provided with a hoisting assembly capable of cooperating with an external hoist to lift the casing, the hoisting assembly comprises three lifting lugs, one side of each of the three lifting lugs is fixedly connected with the surface of the hoist body, the bottom of the hoist body is provided with a positioning assembly capable of defining the central position of the casing after rotation, the positioning assembly comprises a triangular plate, three sliding grooves are formed in the surface of the triangular plate, and the three sliding grooves are in communication with the inside of the triangular plate.

[0006] Preferably, the hoisting assembly further comprises three iron chains, one end of each of the iron chains penetrates through the corresponding lifting lug, and one end of the three iron chains is commonly inserted with a steel wire rope.

[0007] Preferably, the hoisting assembly further comprises a steel wire clamp, and the inner wall of the steel wire clamp is clamped and fixed with both ends of the steel wire rope.

[0008] Preferably, the positioning assembly further comprises a first bevel gear, and the bottom surface of the first bevel gear is rotationally connected with the bottom surface of the inner wall of the triangular plate.

[0009] Preferably, the positioning assembly further comprises three second bevel gears, one side of each of the three second bevel gears is fixedly connected with a lead screw, and the lead screw away from the corresponding second bevel gear is rotatably connected with one side of the inner wall of the triangular plate.

[0010] Preferably, the positioning assembly further comprises three positioning blocks, the outer wall of each of the three positioning blocks is slidably connected with the inner wall of the corresponding sliding groove, and the inner wall of each of the three positioning blocks is threadedly connected with the rod wall of the corresponding lead screw.

[0011] Preferably, the positioning assembly further comprises a transmission rod, the top end of the transmission rod is fixedly connected with the bottom surface of the first bevel gear, the bottom end of the transmission rod penetrates through the bottom surface of the inner wall of the triangular plate and extends to the bottom surface of the triangular plate, the bottom end of the transmission rod is fixedly connected with a third bevel gear, one side of the third bevel gear is meshingly connected with a fourth bevel gear, one side of the fourth bevel gear is fixedly connected with a connecting rod, one end of the connecting rod extends to the inner wall of the lifting appliance body and is rotatably connected with the inner wall of the lifting appliance body, and the end of the connecting rod located at the inner wall of the lifting appliance body is fixedly connected with an internal hexagonal control block.

[0012] Preferably, the positioning assembly further comprises a fixing plate, the top surface of the fixing plate is fixedly connected with the bottom surface of the triangular plate, and the inner wall of the fixing plate is rotatably connected with the rod wall of the connecting rod.

[0013] The technical effects and advantages of the utility model are as follows: the hoisting assembly is arranged, the lifting appliance body and the sleeve in the lifting appliance body can be conveniently hoisted and lifted, the stability is high during transportation, the lifting appliance body does not shake greatly, the safety of ground workers is ensured, the positioning assembly arranged in the lifting appliance body can limit the central position of the sleeve after the sleeve is placed in the lifting appliance body, and the problem that the sleeve is displaced when the sleeve is lifted is avoided. ACCURATE DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the lifting appliance of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the positioning assembly of the utility model.

[0017] Figure 4 It is a top view sectional structure schematic diagram of the lifting appliance of the utility model.

[0018] Figure 5 It is a front view partial sectional structure schematic diagram of the lifting appliance of the utility model.

[0019] In the diagram: 1. Lifting device body; 2. Positioning assembly; 3. Lifting assembly; 201. Triangular plate; 202. Slide groove; 203. Positioning block; 204. First bevel gear; 205. Second bevel gear; 206. Lead screw; 207. Transmission rod; 208. Third bevel gear; 209. Fourth bevel gear; 210. Fixing plate; 211. Hexagonal internal control block; 212. Connecting rod; 301. Lifting lug; 302. Iron chain; 303. Steel wire rope; 304. Steel wire clamp. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0021] like Figures 1 to 5 As shown, a sleeve lifting device with positioning function in the first aspect embodiment of the present invention includes a lifting device body 1. The surface of the lifting device body 1 is provided with a lifting assembly 3 that can be used to cooperate with an external lifting machine to lift the sleeve. The lifting assembly 3 includes three lifting lugs 301, one side of each of the three lifting lugs 301 is fixedly connected to the surface of the lifting device body 1. The bottom of the lifting device body 1 is provided with a positioning assembly 2 that can be rotated to limit the center position of the sleeve. The positioning assembly 2 includes a triangular plate 201. The surface of the triangular plate 201 is provided with three sliding grooves 202, all of which communicate with the interior of the triangular plate 201.

[0022] The technical effects achieved by the above embodiments are as follows: the lifting component 3 can easily lift and raise the lifting device body 1 and the sleeve inside the lifting device body 1, and the stability is strong during transportation without large-scale shaking, ensuring the safety of ground personnel. At the same time, by setting the positioning component 2 inside the lifting device body 1, the center position of the sleeve can be limited after the sleeve is placed inside the lifting device body 1, avoiding the problem of sleeve displacement when lifting the sleeve. Example 2

[0023] like Figure 3 and Figure 5 As shown, a casing lifting device with positioning function includes all the contents of Embodiment 1. In addition, the lifting assembly 3 also includes three iron chains 302, one end of each iron chain 302 passes through the corresponding lifting lug 301, and one end of the three iron chains 302 is inserted into a steel wire rope 303. The lifting assembly 3 also includes a steel wire clamp 304, the inner wall of the steel wire clamp 304 clamps and fixes the two ends of the steel wire rope 303.

[0024] The technical effects achieved by the above embodiment are that when in use, the iron chain 302 is passed through the three lifting lugs 301 of the lifting tool, the steel wire rope 303 is passed through both ends of the iron chain 302, and the steel wire rope 303 is clamped at both ends by the steel wire clamp 304 to form a lifting ring, and then the lifting and dragging operation can be performed through the lifting hook. Embodiment 3

[0025] As shown in Figures 3 to 5 A sleeve lifting tool with positioning function, comprising all the contents of embodiment 2, in addition, the positioning assembly 2 further comprises a first bevel gear 204, the bottom surface of the first bevel gear 204 is rotatably connected with the bottom surface of the inner wall of the triangular plate 201, the positioning assembly 2 further comprises three second bevel gears 205, one side of each of the three second bevel gears 205 is fixedly connected with a lead screw 206, one end of each of the three lead screws 206 away from the corresponding second bevel gear 205 is rotatably connected with one side of the inner wall of the triangular plate 201, the positioning assembly 2 further comprises three positioning blocks 203, one side of each of the three positioning blocks 203 is provided with a rubber layer, the outer wall of each of the three positioning blocks 203 is slidably connected with the inner wall of the corresponding sliding groove 202, the inner wall of each of the three positioning blocks 203 is threadedly connected with the rod wall of the corresponding lead screw 206, the positioning assembly 2 further comprises a transmission rod 207, the top end of the transmission rod 207 is fixedly connected with the bottom surface of the first bevel gear 204, the bottom end of the transmission rod 207 penetrates through the bottom surface of the inner wall of the triangular plate 201 and extends to the bottom surface of the triangular plate 201, the bottom end of the transmission rod 207 is fixedly connected with a third bevel gear 208, one side of the third bevel gear 208 is meshingly connected with a fourth bevel gear 209, one side of the fourth bevel gear 209 is fixedly connected with a connecting rod 212, one end of the connecting rod 212 extends to the inner wall of the lifting tool body 1 and is rotatably connected with the inner wall of the lifting tool body 1, one end of the connecting rod 212 located in the inner wall of the lifting tool body 1 is fixedly connected with an internal hexagonal control block 211, the positioning assembly 2 further comprises a fixed plate 210, the top surface of the fixed plate 210 is fixedly connected with the bottom surface of the triangular plate 201, the inner wall of the fixed plate 210 is rotatably connected with the rod wall of the connecting rod 212 through a rolling bearing.

[0026] The technical effects achieved by the above embodiment are as follows: when the casing placed in the hoist body 1 needs to be positioned, the hexagonal wrench is inserted into the interior of the inner hexagonal control block 211, and then the hexagonal wrench is rotated to control the rotation of the connecting rod 212, and then the connecting rod 212 can drive the fourth bevel gear 209 to rotate when rotating, the fourth bevel gear 209 can drive the third bevel gear 208 to rotate when rotating, and the rotation of the third bevel gear 208 can promote the rotation of the transmission rod 207, at this time the rotation of the transmission rod 207 can promote the rotation of the first bevel gear 204, and the rotation of the first bevel gear 204 can make the three second bevel gears 205 rotate, and the rotation of the three second bevel gears 205 can control the rotation of the three lead screws 206, and finally the rotation of the three lead screws 206 can control the back movement of the three positioning blocks 203 to abut against the inner wall of the casing, so as to ensure the position of the casing in the hoist body 1.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A sleeve hanger with positioning function, comprising a hanger body (1), characterized in that: The surface of the lifting appliance body (1) is provided with a lifting assembly (3) which can be used for cooperating with an external lifting machine to lift the casing pipe, the lifting assembly (3) comprises three lifting lugs (301), one side of each of the three lifting lugs (301) is fixedly connected with the surface of the lifting appliance body (1), the bottom of the lifting appliance body (1) is provided with a positioning assembly (2) which can be rotated to define the central position of the casing pipe, the positioning assembly (2) comprises a triangular plate (201), the surface of the triangular plate (201) is provided with three sliding grooves (202), and the three sliding grooves (202) are in communication with the inside of the triangular plate (201).

2. The sleeve hanger with positioning function according to claim 1, characterized in that: The lifting assembly (3) further comprises three iron chains (302), one end of each of the three iron chains (302) penetrates through the corresponding lifting lug (301), and one end of the three iron chains (302) is jointly inserted with a steel wire rope (303).

3. The sleeve hanger with positioning function according to claim 2, characterized in that: The lifting assembly (3) further comprises a steel wire clamp (304), and the inner wall of the steel wire clamp (304) clamps and fixes the two ends of the steel wire rope (303).

4. The sleeve hanger with positioning function according to claim 1, characterized in that: The positioning assembly (2) further comprises a first bevel gear (204), and the bottom surface of the first bevel gear (204) is rotationally connected with the bottom surface of the inner wall of the triangular plate (201).

5. The sleeve hanger with positioning function according to claim 4, characterized in that: The positioning assembly (2) further comprises three second bevel gears (205), one side of each of the three second bevel gears (205) is fixedly connected with a lead screw (206), and one end of each of the three lead screws (206) away from the corresponding second bevel gear (205) is rotationally connected with one side of the inner wall of the triangular plate (201).

6. The sleeve hanger with positioning function according to claim 5, characterized in that: The positioning assembly (2) further comprises three positioning blocks (203), the outer wall of each of the three positioning blocks (203) is slidably connected with the inner wall of the corresponding sliding groove (202), and the inner wall of each of the three positioning blocks (203) is threadedly connected with the rod wall of the corresponding lead screw (206).

7. The sleeve hanger with positioning function according to claim 6, characterized in that: The positioning assembly (2) further comprises a transmission rod (207), the top end of the transmission rod (207) is fixedly connected with the bottom surface of the first bevel gear (204), the bottom end of the transmission rod (207) penetrates through the bottom surface of the inner wall of the triangular plate (201) and extends to the bottom surface of the triangular plate (201), the bottom end of the transmission rod (207) is fixedly connected with a third bevel gear (208), one side of the third bevel gear (208) is meshingly connected with a fourth bevel gear (209), one side of the fourth bevel gear (209) is fixedly connected with a connecting rod (212), one end of the connecting rod (212) extends to the inner wall of the lifting appliance body (1) and is rotationally connected with the inner wall of the lifting appliance body (1), and the end of the connecting rod (212) located on the inner wall of the lifting appliance body (1) is fixedly connected with an internal hexagonal control block (211).

8. The sleeve hanger with positioning function according to claim 7, characterized in that: The positioning assembly (2) further comprises a fixed plate (210), the top surface of the fixed plate (210) is fixedly connected with the bottom surface of the triangular plate (201), and the inner wall of the fixed plate (210) is rotationally connected with the rod wall of the connecting rod (212).

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