Precise cushion block device with height capable of being adjusted at will

Abstract

The utility model discloses a precise cushion block device capable of freely adjusting height, which comprises a clamping assembly, an oil pipe fitting is clamped in the clamping assembly, the clamping assembly comprises a bottom plate, two sliding grooves are formed in the outer walls of the two sides of the top of the bottom plate, a bearing seat I is clamped between the two sliding grooves in a sliding manner, cushion block assemblies are clamped in the two sliding grooves, and the cushion block assemblies are clamped in the two sliding grooves. A second bearing seat is clamped to the top ends of the two cushion block assemblies, a limiting piece is installed on the outer wall of one side of the second bearing seat through a bolt, each cushion block assembly comprises a gasket and a cushion block, and the cushion block is inserted into the gasket; the thickness dimensional tolerance of the cushion block and the gasket is very accurate, the precision difference of the same specification does not exceed 0.01 mm, the cushion block is connected with the second bearing seat through the positioning groove, when the oil casing head is clamped, different cushion blocks can be stacked together, the height of the second bearing seat can be adjusted at will, and the oil casing head can be clamped conveniently. The height of the two ends of the workpiece can be adjusted without multiple times of calibration, and the clamping difficulty of the oil casing head is lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil casing head processing, and specifically relates to a precision shim device with adjustable height. BACKGROUND

[0002] A complete wellhead device and Christmas tree are mainly composed of a casing head, a tubing head and a Christmas tree; when drilling, the blowout preventer is installed on the upper part of the casing head to form a drilling wellhead device; when completing the well, the Christmas tree is installed above the tubing head to form an oil (gas) wellhead device. Among them, the casing head is used to connect the surface casing, suspend the multilayer casing in the well and seal the annular space between the casing and the casing; the main function of the tubing head is to suspend the tubing and seal the annular space between the tubing and the casing; the main function of the Christmas tree is to open, control and guide the oil and gas flow and seal the tubing; the whole device needs to meet the special operations of drilling, well cementing, downhole pressure measurement, well flushing, fracturing and acidizing for oil testing and well completion.

[0003] For example, a new type of tubing head and casing head processing device with the application number CN201910613467.6 and the publication date of September 24, 2019 belongs to the technical field of tubing head manufacturing clamps. A new type of tubing head and casing head processing device, including a fixed bottom plate, a first T-shaped groove and a second T-shaped groove are opened on the top wall of the fixed bottom plate, a first V-shaped sliding block is slidably connected inside the first T-shaped groove, a second V-shaped sliding block and a bearing seat are slidably connected inside the second T-shaped groove, a shaft center stop seat is also connected to the fixed bottom plate, a lead screw is connected to the shaft center stop seat, the lead screw passes through the second V-shaped sliding block and is connected to the inner wall of the shaft center stop seat, and the lead screw is matched with the bearing seat; the present application reduces the management cost, maintenance and maintenance cost of the processing device, improves the processing precision and the core competitiveness of the enterprise, and the manufacturing structure and assembly are simple, convenient to use, can be suitable for various working environments, and greatly improves the processing efficiency.

[0004] When assembling the oil casing head, the two sections of the oil casing head to be assembled have different outer diameters, so V-shaped blocks are used for clamping. However, during clamping, the employee needs to calibrate by naked eye outside the machine, and then turn to the inside of the machine, adjust the height of the workpiece ends through the jack or paper pad, and constantly check the table to achieve the purpose of correction. This method is complicated, time-consuming and prone to errors by the operator. Therefore, it is urgent to design a precision shim device with adjustable height to solve the above problems. Utility model content

[0005] The utility model aims at providing a precision shim device with adjustable height to solve the above problems in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a height of precision shim device of arbitrary adjustable, including clamping subassembly, the inside clamping of oil pipe spare of clamping subassembly, clamping subassembly includes bottom plate, the top both sides outer wall of bottom plate is equipped with two sliding slot, and the sliding joint bearing seat no.

[0008] Further, the inside of the two sliding slots is connected with the second plug-in seat, and the second screw rod is screwed in the second plug-in seat.

[0009] Further, the inside of the two sliding slots is connected with the adapter seat, and the first plug-in seat is connected in the adapter seat, and the first screw rod is screwed in the first plug-in seat.

[0010] Further, the two first screw rods and the two second screw rods are sleeved with the limiting plates, and the conical blocks are inserted into the bottom of the limiting plates.

[0011] Further, the first screw rod and the second screw rod are screwed with the nuts, and the nuts are in contact with the limiting plates.

[0012] Further, the top outer wall of the bottom plate is provided with a plurality of pin holes, and the mounting seat is inserted between the four pin holes, and the limiting cylinder is arranged in the mounting seat.

[0013] In the above technical scheme, the utility model provides a height of precision shim device of arbitrary adjustable, and the beneficial effect is that:

[0014] (1) the shim assembly designed by the utility model, the thickness size tolerance of shim and gasket is very accurate, and the precision difference of the same specification does not exceed 0.01mm, the shim is connected together with bearing seat two by positioning groove, when oil jacket pipe head clamping, different shims can be stacked together, so as to achieve the arbitrary adjustment of the height of bearing seat two, so that the adjustment of the height of workpiece two ends can be satisfied without multiple calibration, and the difficulty of oil jacket pipe head clamping is reduced.

[0015] (2) the clamping assembly designed by the utility model is simple and easy to operate, and the operator only needs to assemble and lock the tooling parts according to the drawing required, and the workpiece is horizontal after being placed, and the repeated positioning is accurate, the repeated clamping precision of batch product processing is high, the processing efficiency can be improved, and the clamping time of workpiece is effectively shortened, and the clamping stability is good, so that the rigidity of workpiece during machining is better, and the product quality is guaranteed, the error rate of staff clamping and correction is reduced, and the product quality is improved. DRAWINGS

[0016] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 The overall structure schematic view provided by the embodiment of the present application for the precision pad device with adjustable height.

[0018] Figure 2 The clamping assembly structure schematic view provided by the embodiment of the present application for the precision pad device with adjustable height.

[0019] Figure 3 The bottom plate, screw one and screw two structure schematic view provided by the embodiment of the present application for the precision pad device with adjustable height.

[0020] Figure 4 The pad assembly structure schematic view provided by the embodiment of the present application for the precision pad device with adjustable height.

[0021] Explanation of reference signs:

[0022] 1, clamping assembly; 2, oil pipe; 3, bottom plate; 4, sliding groove; 5, adapter seat; 6, plug-in seat one; 7, screw one; 8, pin hole; 9, bearing seat one; 10, pad assembly; 11, bearing seat two; 12, mounting seat; 13, limiting cylinder; 14, plug-in seat two; 15, screw two; 16, limiting plate; 17, conical block; 18, nut; 19, limiting piece; 20, gasket; 21, pad. Specific implementation

[0023] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail in combination with the drawings.

[0024] As shown in the drawings, Figures 1-4 The embodiment of the present application provides a precision pad device with adjustable height, which comprises a clamping assembly 1, the clamping assembly 1 internally clamps an oil pipe 2, the clamping assembly 1 comprises a bottom plate 3, two sliding grooves 4 are formed in the top outer walls of the bottom plate 3, a bearing seat one 9 is slidingly connected between the two sliding grooves 4, a pad assembly 10 is clamped in each of the two sliding grooves 4, a bearing seat two 11 is clamped at the top end of each of the two pad assemblies 10, a limiting piece 19 is installed on one side outer wall of the bearing seat two 11 through bolts, the pad assembly 10 comprises a gasket 20 and a pad 21, the pad 21 is inserted into the gasket 20, and the gasket 20 and the pad 21 have multiple types.

[0025] Specifically, in the embodiment, the clamping assembly 1 is internally clamped with the oil pipe piece 2, the clamping assembly 1 comprises a bottom plate 3, two outer walls on the top of the bottom plate 3 are provided with two sliding grooves 4, the sliding grooves 4 facilitate mounting of a bearing seat one 9, a bearing seat two 11 and the like on the bottom plate 3, and the bearing seat one 9 is slidingly connected between the two sliding grooves 4, the two sliding grooves 4 are internally connected with a cushion block assembly 10, and the bearing seat two 11 is connected with the two cushion block assemblies 10 at the top ends of the two cushion block assemblies 10, the bearing seat two 11 and the bearing seat one 9 are both V-shaped blocks and can bear the oil jacket pipe head, a limiting piece 19 is mounted on one side of the outer wall of the bearing seat two 11 through bolts, the cushion block assembly 10 comprises a gasket 20 and a cushion block 21, the cushion block 21 is inserted into the gasket 20, the gasket 20 and the cushion block 21 are both provided in multiple types, the four types of the cushion block 21 are 10 mm, 20 mm, 25 mm, 30 mm and 40 mm, the six types of the gasket 20 are 0.03 mm, 0.05 mm, 0.1 mm, 0.2 mm, 0.5 mm and 1 mm, a same height cushion block 21 can be used for adjustment through the gasket 20 when a difference is within 5 mm, a combination of 20 mm and 25 mm can be used for adjustment when the difference is more than 5 mm, a combination of the cushion block 21 and the gasket 21 can be used for adjustment when the difference is more than 10 mm, and the height difference adjustment error can be ±0.02 mm through the combination of the cushion block 21 and the gasket 20.

[0026] The precise cushion block device with adjustable height provided by the utility model, the thickness size tolerance of the cushion block 21 and the gasket 20 is very accurate, the same specification precision difference will not exceed 0.01 mm, the cushion block 21 is connected with the bearing seat two 11 through the positioning groove, and different cushion blocks 21 can be stacked together when clamping the oil jacket pipe head, so that the height of the bearing seat two 11 can be adjusted at will, and the adjustment of the height of the workpiece two ends can be satisfied without multiple calibrations, and the clamping difficulty of the oil jacket pipe head is reduced.

[0027] In one embodiment of the utility model, as shown in the figure, Figures 2-3 The two sliding grooves 4 are internally connected with the second plug-in seat 14, the second plug-in seat 14 is internally threadedly connected with a second screw rod 15, the two sliding grooves 4 are internally connected with the adapter seat 5, the adapter seat 5 is internally connected with the first plug-in seat 6, the first plug-in seat 6 is internally threadedly connected with a first screw rod 7, the two first screw rods 7 and the two second screw rods 15 are both sleeved with a limiting plate 16, the bottom two side outer walls of the limiting plate 16 are both inserted with a conical block 17, the first screw rod 7 and the second screw rod 15 are externally threadedly connected with a nut 18, the nut 18 is screwed into the first screw rod 7 or the second screw rod 15, the bottom of the nut 18 tightly presses the limiting plate 16, the conical block 17 tightly presses the oil jacket pipe head, the clamping assembly 1 clamps the oil jacket pipe head, and the nut 18 and the limiting plate 16 are in contact with each other.

[0028] In another embodiment of the utility model, as shown in the figure,Figures 2-3 As shown, a plurality of pin holes 8 are formed on the outer wall of the top of the bottom plate 3, which facilitates the installation of the adapter seat 5 and the like on the bottom plate 3, and four pin holes 8 are inserted with a mounting seat 12, and the mounting seat 12 is internally provided with a limiting cylinder 13, which can limit the oil sleeve pipe head on the bearing seat one 9.

[0029] Embodiment 1

[0030] A height-adjustable precision pad device, comprising a clamping assembly 1, the clamping assembly 1 is internally clamped with an oil pipe 2, the clamping assembly 1 comprises a bottom plate 3, the top of the bottom plate 3 is provided with two sliding grooves 4 on the outer wall of both sides, the sliding grooves 4 facilitate the installation of the bearing seat one 9, the bearing seat two 11 and the like on the bottom plate 3, and the bearing seat one 9 is slidingly connected between the two sliding grooves 4, the two sliding grooves 4 are internally connected with the pad assembly 10, and the bearing seat two 11 is connected with the bearing seat one 9 at the top of the two pad assemblies 10, the bearing seat two 11 and the bearing seat one 9 are V-shaped blocks, which can bear the oil sleeve pipe head, the outer wall of one side of the bearing seat two 11 is provided with a limiting piece 19 through a bolt, the pad assembly 10 comprises a gasket 20 and a pad 21, the pad 21 is inserted into the gasket 20, the gasket 20 and the pad 21 are provided in multiple types, the pad 21 is provided in four types: 10mm, 20mm, 25mm, 30mm and 40mm, the gasket 20 is provided in six types: 0.03mm, 0.05mm, 0.1mm, 0.2mm, 0.5mm and 1mm, the same height pad 21 can be used to adjust the difference within 5mm through the gasket 20, the combination of 20mm and 25mm can be used to adjust the difference above 5mm, the combination of the pad 21 and the gasket 21 can be used to adjust the difference above 10mm, and the height difference adjustment error of the machine outside can be realized to be ±0.02mm through the combination of the pad 21 and the gasket 20.

[0031] Embodiment 2

[0032] This embodiment is further defined on the basis of embodiment 1, wherein the two chutes 4 are internally connected with a socket 2 14, and the socket 2 14 is internally threadedly connected with a screw 2 15, wherein the two chutes 4 are internally connected with an adapter 5, and the adapter 5 is internally connected with a socket 1 6, and the socket 1 6 is internally threadedly connected with a screw 1 7, and a limit plate 16 is sleeved between the two screw 1s 7 and between the two screw 2s 15, and the outer walls on both sides of the bottom of the limit plate 16 are plugged with a conical block 17, and the screw 1 7 and the screw 2 15 are externally threadedly connected with a nut 18. Screw the nut 18 into the screw rod 1 7 or the screw rod 2 15 so that the bottom of the nut 18 presses tightly against the limit plate 16, and the conical block 17 presses tightly against the oil casing head, so that the clamping assembly 1 clamps the oil casing head, and the nut 18 and the limit plate 16 contact each other; a plurality of pin holes 8 are provided on the outer wall of the top of the base plate 3, and the pin holes 8 are convenient for the adapter 5 to be installed on the base plate 3, and a mounting seat 12 is inserted between four of the pin holes 8, and a limiting cylinder 13 is provided inside the mounting seat 12, which can limit one end of the oil casing head on the bearing seat 1 9.

[0033] Working principle: When using the clamping assembly 1, the oil casing head can be placed on the bearing seat 1 9 and the bearing seat 2 11 first, and then the pad assembly 10 can be added according to the specifications of the oil casing head, so that the oil casing head supported by the bearing seat 2 11 and the bearing seat 1 9 is level, and the process requires the selection of pads 21 and gaskets 20 according to the specifications of the oil casing head. After subsequent adjustment, the prepared limit plate 16 can be put between the two screw rods 1 7 or the two screw rods 2 15, and then the nut 18 can be screwed into the screw rod 1 7 or the screw rod 2 15, so that the bottom of the nut 18 presses tightly against the limit plate 16, so that the conical block 17 presses tightly against the oil casing head, so that the clamping assembly 1 clamps the oil casing head, and during the clamping process, the adapter seat 5 can be pushed so that the adapter seat 5 slides inside the slide groove 4, so that the adapter seat 5 moves with the structure composed of the plug seat 1 6 and the screw 1 7, so as to meet the clamping requirements of the clamping assembly 1 for oil casing heads of different lengths.

[0034] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A precision spacer device with arbitrarily adjustable height, comprising a clamping assembly (1), characterized in that: The clamping assembly (1) is internally clamped with an oil pipe member (2), and the clamping assembly (1) includes a base plate (3), and two outer walls on both sides of the top of the base plate (3) are provided with two sliding grooves (4), and a bearing seat (9) is slidably clamped between the two sliding grooves (4), and a pad assembly (10) is clamped inside the two sliding grooves (4), and a bearing seat (11) is clamped at the top of the two pad assemblies (10), and a limiting member (19) is installed on the outer wall of one side of the bearing seat (11) by bolts, and the pad assembly (10) includes a gasket (20) and a pad (21), and the pad (21) is inserted into the gasket (20), and there are multiple types of gaskets (20) and pads (21).

2. A precision spacer device with arbitrarily adjustable height according to claim 1, characterized in that: The two sliding grooves (4) are both internally connected with a second plug-in seat (14), and the second plug-in seat (14) is internally threadedly connected with a second screw (15).

3. A precision spacer device with arbitrarily adjustable height according to claim 2, characterized in that: The two slide grooves (4) are both internally connected with a transfer seat (5), and the transfer seat (5) is internally connected with a plug seat (6), and the plug seat (6) is internally threadedly connected with a screw rod (7).

4. A precision spacer device with arbitrarily adjustable height according to claim 3, characterized in that: A limiting plate (16) is sleeved between the two screw rods (7) and between the two screw rods (15), and conical blocks (17) are inserted into the outer walls on both sides of the bottom of the limiting plate (16).

5. The precision spacer device with arbitrarily adjustable height according to claim 4, characterized in that: The external threads of the screw rod 1 (7) and the screw rod 2 (15) are connected with a nut (18), and the nut (18) and the limiting plate (16) are in contact with each other.

6. The precision spacer device with arbitrarily adjustable height according to claim 1, characterized in that: A plurality of pin holes (8) are provided on the outer wall of the top of the bottom plate (3), and a mounting seat (12) is inserted between four of the pin holes (8), and a limiting cylinder (13) is provided inside the mounting seat (12).

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