External underground cable protection sleeve

Abstract

The embodiment of the utility model discloses an external underground cable protection sleeve in the technical field of oil well cable protection devices. When a third limiting block is installed, a cable is placed in a groove cavity of a first cable groove, a connecting plate is clamped in a groove cavity of a limiting groove, and a sleeve is synchronously inserted into a hole cavity of an insertion hole, so that a second cable groove is matched with the first cable groove to limit the cable, an oil pipe column and the cable are protected, friction between the cable and a wire pipe wall is reduced, and the service life of the cable is prolonged. After a third limiting block is installed at the upper end of a connecting plate, a first arc-shaped plate is installed, an inserting block is inserted into a hole cavity of an inserting hole, the inserting block is synchronously inserted into a middle hole of a sleeve, locking of the third limiting block is completed, a first arc-shaped block and a second arc-shaped block are fixed by matching a screw rod with a U-shaped block, and the first arc-shaped plate and the second arc-shaped plate are synchronously fixed; and the protection sleeve and the limiting assembly are stably connected.

Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of oil well cable protection devices, and particularly relates to an external downhole cable protection sleeve. Background Art

[0002] During the underground oil well exploitation process, specific protection devices are required for the cables used in oil wells to fix them, ensuring that the cables will not be damaged due to reasons such as displacement or impact during the process of being lowered into the well and subsequent production, and thus losing their production functions.

[0003] During the production process of oil and gas wells, dynamic monitoring is required. Dynamic monitoring instruments need to be lowered into the oil wells. Currently, most monitoring instruments are cable-connected detectors. Therefore, the cable needs to be lowered into the well together with the pipe string. To ensure that the cable is not damaged during the process of being pulled out and lowered, the cable needs to be fixed on the pipe string. The cable is usually fixed on the pipe string with stainless steel tape. By using the tape fixation method, when pulling out and lowering the tubing, the cable at the tubing coupling is prone to friction and collision with the casing wall, which can easily cause cable damage. Content of the Utility Model

[0004] Therefore, the embodiment of the utility model provides an external downhole cable protection sleeve to solve the problem that the cable at the tubing coupling is prone to friction and collision with the casing wall, which can easily cause cable damage in the prior art.

[0005] To achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0006] An external downhole cable protection sleeve includes a limiting component.

[0007] At the upper and lower ends of the limiting component, protection sleeves for limiting the limiting component are installed, and the two protection sleeves are symmetrically arranged.

[0008] At the upper and lower ends of the limiting component, protection sleeves for limiting the limiting component are installed, and the two protection sleeves are symmetrically arranged.

[0009] On the left side of the protection sleeve, a third limiting block for cooperating with the protection sleeve to protect the cable is installed.

[0010] The protection sleeve includes a first arc-shaped block. On one side of the first arc-shaped block, a first fixing block is installed. In the middle of the left side of the first fixing block, a first cable groove is opened.

[0011] The third limiting block includes a limiting plate. On the right side of the limiting plate, a second cable groove is opened, and after the second cable groove and the first cable groove are spliced, a cable hole for placing the cable is formed.

[0012] Further, the protective sleeve includes a second arc-shaped block. Arc-shaped grooves are formed in the middle parts of the first arc-shaped block and the second arc-shaped block. A vertical groove is formed on one side of the arc-shaped groove, and a clamping groove is formed on one side of the vertical groove. The clamping groove communicates with the arc-shaped groove.

[0013] Further, one ends of the first arc-shaped block and the second arc-shaped block are both connected with a first limiting block, and the other ends of the first arc-shaped block and the second arc-shaped block are movably connected through a pin shaft.

[0014] Further, a connecting plate is installed below the left end of the first fixing block, and a sleeve is installed above the connecting plate.

[0015] Further, the limiting component includes a first arc-shaped plate and a second arc-shaped plate. A second limiting block is installed at one end of the first arc-shaped plate and the second arc-shaped plate. A clamping block is installed at the other end of the first arc-shaped plate and the second arc-shaped plate. The clamping block slides in the cavity of the vertical groove and the clamping groove. A connecting block is installed at the left end of the first arc-shaped plate, and an inserting block for engaging with the sleeve is installed at one end of the connecting block.

[0016] Further, limiting grooves for placing the connecting plate are formed at both ends of the limiting plate, and a jack is formed in the middle of the cavity of the limiting groove.

[0017] Further, the locking block includes a U-shaped block. A blocking block for limiting the first arc-shaped plate and the second arc-shaped plate is installed in the middle of the U-shaped block. A threaded hole is formed at one end of the U-shaped block, and a screw rod for locking the protective sleeve and the limiting component is installed in the middle of the U-shaped block.

[0018] The embodiment of the utility model has the following advantages:

[0019] When installing the third limiting block, the cable is placed in the cavity of the first cable groove. The connecting plate is clamped in the cavity of the limiting groove, and the sleeve is synchronously inserted into the cavity of the jack, so that the second cable groove cooperates with the first cable groove to limit the cable, thereby protecting the tubing string and the cable, reducing the friction between the cable and the inner wall of the cable groove. After the third limiting block is installed at the upper end of the connecting plate, the first arc-shaped plate is installed, so that the inserting block is inserted into the cavity of the jack, and the inserting block is synchronously inserted into the middle hole of the sleeve to complete the locking of the third limiting block. The first arc-shaped block and the second arc-shaped block are fixed by the screw rod cooperating with the U-shaped block, and the first arc-shaped plate and the second arc-shaped plate are synchronously fixed, so that the connection between the protective sleeve and the limiting component is stable. Description of the Drawings

[0020] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained by extending the provided drawings.

[0021] The structures, ratios, sizes, etc. depicted in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present invention.

[0022] Figure 1 Schematic diagram of the overall structure of the present invention;

[0023] Figure 2 Schematic diagram of the structure of the protective sleeve of the present invention;

[0024] Figure 3 Cross-sectional view of the arc groove of the present invention;

[0025] Figure 4 Schematic diagram of the structure of the limiting component of the present invention;

[0026] Figure 5 Schematic diagram of the structure of the second limiting block of the present invention;

[0027] Figure 6 Schematic diagram of the structure of the locking block of the present invention;

[0028] Figure 7 For the present invention Figure 1 Enlarged view of part A.

[0029] In the figure: 10 - cable hole, 100 - protective sleeve, 110 - first arc block, 120 - second arc block, 130 - pin shaft, 140 - arc groove, 141 - vertical groove, 142 - card slot, 150 - first limiting block, 160 - first fixing block, 161 - connecting plate, 162 - sleeve, 170 - first cable groove;

[0030] 200 - limiting component, 210 - first arc plate, 211 - connecting block, 212 - inserting block, 220 - second arc plate, 230 - second limiting block, 240 - clamping block;

[0031] 300 - third limiting block, 310 - limiting plate, 311 - limiting groove, 312 - jack, 313 - second cable groove;

[0032] 400 - Locking block, 410 - U - shaped block, 411 - Stopper, 412 - Threaded hole, 420 - Screw rod. Specific embodiments

[0033] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in this technology can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present utility model.

[0034] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear narration, rather than to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in technical content, should also be regarded as the scope in which the present utility model can be implemented.

[0035] Please refer to Figures 1-7 , the present utility model provides an external underground cable protective sleeve.

[0036] At the upper and lower ends of the limiting component 200, there are installed protective sleeves 100 for limiting the limiting component 200, and the two protective sleeves 100 are symmetrically arranged. The protective sleeve 100 includes an arc - shaped block one 110 and an arc - shaped block two 120. Arc - shaped grooves 140 are respectively opened in the middle parts of the arc - shaped block one 110 and the arc - shaped block two 120. A vertical groove 141 is opened on one side of the arc - shaped groove 140, and a clamping groove 142 is opened on one side of the vertical groove 141, and the clamping groove 142 is communicated with the arc - shaped groove 140.

[0037] The arc - shaped plate one 210 is installed at the upper end of the arc - shaped block one 110, and the arc - shaped plate two 220 is installed at the upper end of the arc - shaped block two 120. Specifically, when installing the arc - shaped plate two 220, align the clamping block 240 with the vertical groove 141, insert the arc - shaped plate two 220 into the bottom of the cavity of the arc - shaped groove 140, rotate the arc - shaped plate two 220 to make the clamping block 240 slide into the cavity of the clamping groove 142, then the arc - shaped plate two 220 is limited. The installation steps of the arc - shaped plate one 210 are the same as those of the arc - shaped plate two 220.

[0038] One end of the first arc-shaped block 110 and the second arc-shaped block 120 is fixedly connected with a first limiting block 150. The other ends of the first arc-shaped block 110 and the second arc-shaped block 120 are movably connected by a pin shaft 130, which is convenient for the first arc-shaped block 110 and the second arc-shaped block 120 to be sleeved on the tubing string. A first fixing block 160 is fixedly installed on the left side of the first arc-shaped block 110. A connecting plate 161 is fixedly installed below the left end of the first fixing block 160. A sleeve 162 is fixedly installed above the connecting plate 161, and the inserting block 212 is inserted into the middle of the sleeve 162. A first cable groove 170 is formed in the middle of the left side of the first fixing block 160.

[0039] The limiting assembly 200 includes a first arc-shaped plate 210 and a second arc-shaped plate 220. One end of the first arc-shaped plate 210 and the second arc-shaped plate 220 is fixedly installed with a second limiting block 230. The other ends of the first arc-shaped plate 210 and the second arc-shaped plate 220 are fixedly installed with clamping blocks 240, and the clamping blocks 240 slide in the cavities of the vertical groove 141 and the clamping groove 142. A connecting block 211 is fixedly installed at the left end of the first arc-shaped plate 210. One end of the connecting block 211 is fixedly installed with an inserting block 212 for engaging with the sleeve 162. After the third limiting block 300 is installed on the upper end of the connecting plate 161, the first arc-shaped plate 210 is installed, so that the inserting block 212 is inserted into the cavity of the jack 312, and the inserting block 212 is synchronously inserted into the middle hole of the sleeve 162 to complete the locking of the third limiting block 300.

[0040] A third limiting block 300 for cooperating with the protective sleeve 100 to protect the cable is installed on the left side of the protective sleeve 100. The third limiting block 300 includes a limiting plate 310. Limiting grooves 311 for placing the connecting plate 161 are formed at both ends of the limiting plate 310. A jack 312 is formed in the middle of the cavity of the limiting groove 311. A second cable groove 313 is formed on the right side of the limiting plate 310, and the second cable groove 313 and the first cable groove 170 are spliced to form a cable hole 10 for placing the cable. When the third limiting block 300 is installed, the cable is placed in the cavity of the first cable groove 170, the connecting plate 161 is clamped in the cavity of the limiting groove 311, and the sleeve 162 is synchronously inserted into the cavity of the jack 312, so that the second cable groove 313 cooperates with the first cable groove 170 to limit the cable, thereby protecting the tubing string and the cable and reducing the friction between the cable and the inner wall of the cable.

[0041] Locking blocks 400 for locking the protective sleeve 100 and the limiting component 200 are installed at the upper and lower ends of the limiting component 200, and the two locking blocks 400 are symmetrically arranged. The locking block 400 includes a U-shaped block 410. A stopper 411 for limiting the first arc-shaped plate 210 and the second arc-shaped plate 220 is fixedly installed in the middle of the U-shaped block 410, so that the stopper 411 is located in the middle of the two second limiting blocks 230, preventing the first arc-shaped plate 210 and the second arc-shaped plate 220 from shaking. A threaded hole 412 is provided at one end of the U-shaped block 410. A screw rod 420 for locking the protective sleeve 100 and the limiting component 200 is installed in the middle of the U-shaped block 410. By matching the screw rod 420 with the U-shaped block 410, the first arc-shaped block 110 and the second arc-shaped block 120 are fixed, and the first arc-shaped plate 210 and the second arc-shaped plate 220 are fixed synchronously.

[0042] Although the present invention has been described in detail with general descriptions and specific embodiments above, on the basis of the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

Claims

1. An external underground cable protective sleeve, comprising a limiting component (200), characterized in that: At the upper and lower ends of the limiting component (200), there are protective sleeves (100) for limiting the limiting component (200), and the two protective sleeves (100) are symmetrically arranged; At the upper and lower ends of the limiting component (200), there are locking blocks (400) for locking the protective sleeve (100) and the limiting component (200), and the two locking blocks (400) are symmetrically arranged; On the left side of the protective sleeve (100), there is a third limiting block (300) for cooperating with the protective sleeve (100) to protect the cable; The protective sleeve (100) includes a first arc-shaped block (110), on one side of the first arc-shaped block (110), there is a first fixing block (160), and in the middle of the left side of the first fixing block (160), there is a first cable groove (170); The third limiting block (300) includes a limiting plate (310), on the right side of the limiting plate (310), there is a second cable groove (313), and after the second cable groove (313) and the first cable groove (170) are spliced, a cable hole (10) for placing the cable is formed.

2. The external downhole cable protective sleeve according to claim 1, wherein: The protective sleeve (100) includes a second arc-shaped block (120), arc-shaped grooves (140) are provided in the middle of the first arc-shaped block (110) and the second arc-shaped block (120), a vertical groove (141) is provided on one side of the arc-shaped groove (140), a clamping groove (142) is provided on one side of the vertical groove (141), and the clamping groove (142) communicates with the arc-shaped groove (140).

3. The external underground cable protective sleeve according to claim 2, characterized in that: One end of the first arc-shaped block (110) and the second arc-shaped block (120) are both connected with a first limiting block (150), and the other ends of the first arc-shaped block (110) and the second arc-shaped block (120) are movably connected by a pin shaft (130).

4. The external underground cable protective sleeve according to claim 2, characterized in that: Below the left end of the first fixing block (160), there is a connecting plate (161), and above the connecting plate (161), there is a sleeve (162).

5. The external underground cable protective sleeve according to claim 4, characterized in that: The limiting component (200) includes a first arc-shaped plate (210) and a second arc-shaped plate (220), at one end of the first arc-shaped plate (210) and the second arc-shaped plate (220), there is a second limiting block (230), at the other end of the first arc-shaped plate (210) and the second arc-shaped plate (220), there is a clamping block (240), and the clamping block (240) slides in the cavity of the vertical groove (141) and the clamping groove (142), at the left end of the first arc-shaped plate (210), there is a connecting block (211), and at one end of the connecting block (211), there is an inserting block (212) for engaging with the sleeve (162).

6. The external underground cable protective sleeve according to claim 4, characterized in that: At both ends of the limiting plate (310), there are limiting grooves (311) for placing the connecting plate (161), and in the middle of the cavity of the limiting groove (311), there is a jack (312).

7. An external downhole cable protective sleeve according to claim 5, characterized in that: The locking block (400) includes a U-shaped block (410). A stop block (411) for limiting the first arc-shaped plate (210) and the second arc-shaped plate (220) is installed in the middle of the U-shaped block (410). A threaded hole (412) is formed at one end of the U-shaped block (410). A screw rod (420) for locking the protective sleeve (100) and the limiting component (200) is installed in the middle of the U-shaped block (410).

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