Auxiliary device for quickly disassembling and assembling elastic sheet type friction block of RTTS packer

Abstract

The utility model relates to an auxiliary device for quickly dismounting and mounting an elastic sheet type friction block of an RTTS packer, which comprises a sleeve, a screw rod, a clamping block and a wrench, the clamping block and the wrench are respectively positioned at the front end and the rear end of the screw rod, the front ends of the plurality of screw rods are inserted into the sleeve along the radial direction, and the plurality of screw rods are uniformly and symmetrically arranged at intervals. The tool can be used for quickly disassembling and assembling the elastic sheet type friction block of the RTTS packer, the labor intensity of operators is reduced, the maintenance efficiency of the RTTS packer is improved, the accident that an elastic sheet flies out to hurt people due to misoperation and infirm fixation of an elastic sheet type friction block assembly when the elastic sheet type friction block is disassembled and assembled is avoided, and the safety coefficient of the operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas field well completion technology field more specifically, relate to a kind of auxiliary device of quick disassembly and assembly RTTS packer spring piece type friction block. BACKGROUND

[0002] RTTS packer is often used in casing leak detection, temporary plugging, acidizing fracturing and other operations, and its working environment is mainly mud. After the RTTS packer is pulled out of the well, each component of the RTTS packer needs to be disassembled, cleaned and maintained, and then reassembled. When disassembling and assembling the RTTS packer, the disassembly and assembly of the spring piece type friction block are relatively troublesome. There are two conventional operation methods: one is that two operators use a copper rod to press down the spring piece type friction block, and then a third operator disassembles the screws; the other is that two operators use a vice to place the spring piece type friction block assembly on the vice and disassemble them one by one. The conventional operation methods have the following defects: first, multiple operators are needed to cooperate in disassembly and assembly, which wastes manpower and increases costs, as operators need to have high tacit understanding to complete the work; second, when multiple operators cooperate in operation, there is a risk of operation failure, and the spring piece type friction block assembly may not be fixed firmly, causing the spring piece to fly out and injure people. SUMMARY

[0003] The utility model provides a kind of auxiliary device of quick disassembly and assembly RTTS packer spring piece type friction block, which can quickly disassemble and assemble the RTTS packer spring piece type friction block, reduce the labor intensity of operators, improve the efficiency of RTTS packer maintenance, avoid the risk of operation failure when disassembling and assembling the spring piece type friction block, and the spring piece type friction block assembly may not be fixed firmly, causing the spring piece to fly out and injure people, and improve the safety factor of operators.

[0004] The utility model adopts the technical scheme of constructing a kind of auxiliary device of quick disassembly and assembly RTTS packer spring piece type friction block, including sleeve, screw rod, clamping block and wrench, the clamping block and wrench are located at the front end and rear end of screw rod respectively, multiple the front end of screw rod is inserted into the inside of sleeve along radial direction, and multiple screw rods are uniformly spaced and arranged symmetrically.

[0005] According to the above scheme, the clamping block is arc-shaped.

[0006] According to the above scheme, multiple screw holes are provided on the sleeve, and the screw holes are threadedly connected with the screw rods.

[0007] According to the above scheme, the screw holes are through holes, and four screw holes are provided on the sleeve, and the screw rods matched with the screw holes are also provided with four screw rods.

[0008] According to the above scheme, the space surrounded by the clamping block in the sleeve is used to wrap the spring piece type friction block assembly, and the spring piece in the inner wall of the spring piece type friction block is extruded by the screw rod.

[0009] The auxiliary device for quickly disassembling and assembling the RTTS packer spring piece type friction block has the following beneficial effects:

[0010] 1. The sleeve of the utility model is sleeved outside the spring piece type friction block assembly, the sleeve wraps the spring piece type friction block assembly, when the operation is wrong, the sleeve prevents the spring pieces from flying out, and avoids that the flying spring pieces injure the operators.

[0011] 2. The sleeve of the utility model supports the spring piece type friction block assembly, then the wrench arranged outside the screw rod is rotated, the spring pieces arranged on the inner wall of the spring piece type friction block are extruded downward by the screw rod, the fixed screw is convenient to disassemble and assemble, one operator can disassemble and assemble, the speed of disassembling and assembling the RTTS packer spring piece type friction block is improved, the labor intensity is reduced, and the efficiency of maintaining the tool is improved.

[0012] 3. The screw hole in the form of a through hole and the screw rod matched with the screw hole are designed, the screw hole and the screw rod are used in cooperation, the wrench arranged outside the screw rod is rotated, the size of the clamping ring formed by the clamping block arranged on the inner side of the screw rod is changed, the utility model is suitable for disassembling and assembling the RTTS packer spring piece type friction block of different specifications and models, the applicability of the utility model is improved, and the material cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described in connection with the drawings and examples, and in the drawings:

[0014] Figure 1 is the structure diagram of the auxiliary device for quickly disassembling and assembling the RTTS packer spring piece type friction block of the utility model;

[0015] Figure 2 is the working state diagram of the auxiliary device for quickly disassembling and assembling the RTTS packer spring piece type friction block of the utility model;

[0016] Figure 3 is Figure 2 the sectional view of DETAILED DESCRIPTION

[0017] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail by referring to the drawings.

[0018] As shown in Figures 1-3 , the auxiliary device for quickly disassembling and assembling the RTTS packer spring piece type friction block of the utility model comprises a sleeve 1, a screw hole 2, a screw rod 3, a clamping block 4 and a wrench 5.

[0019] The sleeve 1 is sleeved outside the spring sheet friction block assembly 7, the sleeve 1 wraps the spring sheet friction block assembly 7, when an operation is failed, the sleeve 1 prevents the spring sheet from flying out, and injury of an operator caused by the flying spring sheet is avoided.

[0020] The outer wall of the sleeve 1 is uniformly surrounded by screw holes 2, the screw holes 2 are through holes, the number of the screw holes 2 is four, a lead screw 3 matched with the screw holes 2 is arranged, the lead screw 3 is screwed with the screw holes 2, a wrench 5 arranged outside the lead screw 3 is rotated, the size of a clamping ring formed by clamping blocks 4 arranged inside the lead screw 3 is changed, the lead screw 3 is suitable for disassembly and assembly of spring sheet friction blocks 6 of different specifications and models of RTTS packers, the applicability of the utility model is improved, and material cost is saved.

[0021] The lead screw 3 is provided with the clamping blocks 4 inside and the wrench 5 outside, the wrench 5 arranged outside the lead screw 3 is rotated, the spring sheet arranged on the inner wall of the spring sheet friction block 6 is extruded downwards by the lead screw 3, the fixed screw 8 is convenient to disassemble and assemble, one operator can perform the disassembly and assembly operation, the speed of disassembling and assembling the spring sheet friction block 6 of the RTTS packer is improved, labor intensity is reduced, and the efficiency of the maintenance tool is improved.

[0022] The utility model uses the following method:

[0023] 1, left-handed wrench 5, the clamping block 4 is retreated to the maximum position.

[0024] 2, the spring sheet friction block assembly is placed in the sleeve 1.

[0025] 3, the position of the clamping block 4 and the spring sheet friction block is adjusted, the clamping block 4 is aligned with the spring sheet friction block.

[0026] 4, right-handed wrench 5 is rotated one by one until the spring sheet friction block is pressed downwards and the pressing piece 9 is in a stress-free state.

[0027] 5, the screw 8 is tightened or loosened.

[0028] 6, left-handed wrench 5 is rotated one by one to the maximum position, and the sleeve 1 is lifted out.

[0029] The embodiment of the utility model is described above in combination with the drawings, but the utility model is not limited to the specific implementation mode described above, the specific implementation mode described above is only illustrative but not restrictive, and a person skilled in the art can make many forms under the inspiration of the utility model without departing from the purpose of the utility model and the scope protected by the claims, and these all belong to the protection of the utility model.

Claims

1. An auxiliary device for quick dismounting of the RTTS packer spring-plate friction block, characterized in that, The utility model relates to a sleeve (1), screw rod (3), clamping block (4) and spanner (5), clamping block (4) and spanner (5) are located at the front end and rear end of screw rod (3) respectively, and the front end of multiple screw rod (3) is inserted to the inside of sleeve (1) along the radial direction, and multiple screw rod (3) are uniformly spaced and arranged symmetrically.

2. The quick-change RTTS packer poppet friction plug assist device of claim 1, wherein, The clamping block (4) is arc-shaped.

3. The quick-change RTTS packer poppet friction plug assist device of claim 1, wherein, A plurality of screw holes (2) are arranged on the sleeve (1), and the screw holes (2) are in threaded connection with the screw rods (3).

4. The RTTS packer slip assist device of claim 3, wherein, The screw holes (2) are through holes, and four screw holes (2) are arranged on the sleeve (1), and the screw rods (3) matched with the screw holes (2) are also provided with four screw rods (3).

5. The quick-change RTTS packer poppet friction plug assist device of claim 1, wherein, The space surrounded by the clamping block (4) in the sleeve (1) is used for wrapping the elastic sheet type friction block assembly (7), and the screw rods (3) are used for extruding the elastic sheets arranged on the inner wall of the elastic sheet type friction block (6).

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