Deep well suite dismounting tool

Abstract

The utility model is suitable for the technical field of detaching tools, and provides a deep well suite detaching tool which comprises a supporting base, a connecting piece and lifting pieces, the supporting base is provided with a first opening penetrating in the axial direction and a plurality of first tool holes formed around the first opening, and each lifting piece comprises a first screw and a limiting nut which can be meshed; the limiting nut is arranged on the upper end face of the supporting base, and the first screw penetrates through the limiting nut and the first tool hole and is in threaded connection with the first connecting hole in the end face of the ring piece. The first screw rod is supported through the supporting base, lifting of the ring part is achieved through cooperation of the first screw rod and the limiting nut, a worker can operate the first screw rod to rotate outside the shell, rotation of the first screw rod is converted into lifting of the ring part, the axial lifting action is not needed, the rotation operation of the first screw rod is simpler and more convenient, and the working efficiency is improved. Longitudinal space required by operation is smaller, maintenance time and labor can be saved, and maintenance efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of disassembly tools, and in particular to a deep well kit disassembly tool. Background Art

[0002] SEC (Critical Plant Water System) is a system that provides cooling water for the heat exchanger of the nuclear island system. The SEC pump is located in the seawater pump room, and the water pump impeller suction port is below sea level. The SEC pump consists of an impeller, a pump shaft, a bearing, a coupling, a power output device, etc., among which the bearing and the impeller are sealed and separated by a packing seal structure.

[0003] Therefore, the effectiveness of the packing seal in the packing seal structure is crucial to the operation of the SEC pump, the safety of the pump room and the staff.

[0004] Due to the influence of long-term seawater corrosion, complex alternating stress generated by operation, metal extrusion stress of interference fit, stress generated by material deformation, etc., in the packing seal structure, it is difficult for the water seal ring and the pump shaft and the inner wall of the packing chamber to maintain the original dimensional accuracy and shape and position accuracy, and a large contact stress and corrosion stress are generated between them, which brings difficulties to disassembly and maintenance. The size of the packing chamber is only 14 mm, the size of the water seal ring is even smaller, and the water seal ring is deep inside the packing chamber, making it very difficult to remove and repair the water seal ring.

[0005] At the beginning of the design, in order to be able to remove the water seal ring, a through-hole structure was machined on the shaft end face of the water seal ring. Therefore, the general maintenance process is to use a long rod with a hook at the front to hook the water seal ring out of the packing chamber. As mentioned above, with the increase of running time, rust and deformation occur between the water seal ring and the shaft. In the process of conventional manual operation of the long rod hook, it is difficult to apply force to the water seal ring, which takes a lot of time and manpower and prolongs the maintenance time. Utility Model Content

[0006] The purpose of the embodiments of the present application is to provide a method for solving the technical problem that the water seal ring in the existing packing sealing structure is difficult to remove due to rust, deformation, etc.

[0007] The embodiment of the present application is implemented as follows: a deep well kit disassembly tool, which is used to be installed on a deep well kit, wherein the deep well kit comprises a housing having an inner cavity, a shaft disposed in the inner cavity, and a ring located in the inner cavity and sleeved with the shaft, wherein the deep well kit disassembly tool comprises:

[0008] A support base, wherein the support base is provided with a first opening extending in the axial direction, and a plurality of first tool holes arranged around the first opening and extending in the axial direction, and the support base is arranged on the shell so that the first opening, the first tool holes and the inner cavity are connected in the axial direction;

[0009] A connecting piece, used for detachably and fixedly connecting the supporting base and the shell;

[0010] Multiple lifting members, each of which includes a first meshing screw rod and a limiting nut, the limiting nut is arranged on the upper end surface of the support base, the outer diameter of the limiting nut is larger than the inner diameter of the first tool hole, the first screw rod passes through the limiting nut and the first tool hole, and the lower end of the first screw rod is used for threaded connection with the first connecting hole on the end surface of the ring.

[0011] In one embodiment, a positioning protrusion is formed on the end surface of the support base facing the shell, and the outer peripheral surface of the positioning protrusion abuts against the inner wall of the shell.

[0012] In one embodiment, the support base includes a positioning ring, a support ring and a pressure cover stacked in sequence; the first opening and the first tool hole both penetrate the positioning ring, the support ring and the pressure cover; the positioning protrusion is formed on the end face of the positioning ring facing away from the support ring; a plurality of lugs are formed on the periphery of the pressure cover, and the lugs protrude radially relative to the positioning ring and the support ring; and the connecting piece connects the lugs and the shell.

[0013] In one embodiment, the connecting member includes a second screw rod, and the support base is also provided with a through second connecting hole. The end surface of the shell facing the support base is provided with a third connecting hole, and the third connecting hole is a threaded hole. The second screw rod passes through the second connecting hole and engages with the third connecting hole.

[0014] In one embodiment, the support base includes a positioning ring, a support ring and a pressure cover stacked in sequence; the first opening and the first tool hole both penetrate the positioning ring, the support ring and the pressure cover; the second connecting hole is formed in the pressure cover; the second connecting hole is a countersunk hole.

[0015] In one embodiment, the deep well kit disassembly tool also includes an alarm and multiple first pressure sensors, wherein the first pressure sensors are arranged between the shell and the support base, and / or between the lifting member and the base; multiple first pressure sensors are evenly distributed around the first opening; the alarm is connected to each of the first pressure sensors, and is used to send an alarm signal when the pressure detected by the first pressure sensor exceeds a predetermined range.

[0016] In one embodiment, the deep well kit disassembly tool further includes one or more second pressure sensors, which are disposed between the connector and the support base, and / or between the connector and the housing, for detecting the tightening force of the connector.

[0017] In one embodiment, the deep well kit disassembly tool further includes one or more displacement sensors disposed on the support base for detecting the displacement of the first screw.

[0018] In one embodiment, the deep well kit removal tool further comprises a plurality of third screws;

[0019] The support base is also provided with a plurality of second tool holes, wherein the second tool holes are threaded holes capable of engaging with the third screw rod, and the third screw rod is used to press down the ring member; or, the first tool hole is a threaded hole capable of engaging with the third screw rod, the major diameter of the thread on the first screw rod is smaller than the minor diameter of the internal thread of the first tool hole, and the third screw rod is used to press down the ring member.

[0020] In one embodiment, the deep well kit disassembly tool also includes a casing, which is provided with a second opening extending axially therethrough, and a plurality of third tool holes surrounding the second opening and extending axially therethrough; the second opening includes a first avoidance hole and a second avoidance hole connected axially, the first avoidance hole is located on a side close to the shell, and the inner diameter of the first avoidance hole is larger than the outer diameter of the ring, and the inner diameter of the third tool hole is smaller than the outer diameter of the limit nut; the casing is used to be installed on the shell after the support base is disassembled, so that the second opening, the third tool hole and the inner cavity are connected axially.

[0021] The deep well kit disassembly tool provided in the embodiment of the present application has the following beneficial effects:

[0022] The deep well kit disassembly tool provided in the embodiment of the present application supports the first screw rod by means of a supporting base, and the lifting of the ring is achieved through the cooperation of the first screw rod and the limit nut. The staff can operate the rotation of the first screw rod outside the shell, so that the rotation of the first screw rod is converted into the lifting of the ring member without the need for axial lifting. The rotation operation of the first screw rod is simpler, and the longitudinal space required for the operation is smaller, which can save maintenance time and manpower and improve maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the structure of the existing deep well kit;

[0025] Figure 2 It is a schematic diagram of the top view structure of the water seal ring in the existing deep well kit;

[0026] Figure 3 It is a structural schematic diagram of a deep well kit disassembly tool provided in the first embodiment of the present application;

[0027] Figure 4 It is a structural schematic diagram of a positioning ring in a deep well kit disassembly tool provided in the first embodiment of the present application;

[0028] Figure 5 It is a structural schematic diagram of a support ring in a deep well kit disassembly tool provided in the first embodiment of the present application;

[0029] Figure 6 It is a schematic structural diagram of the pressure cover in the deep well kit disassembly tool provided in the first embodiment of the present application.

[0030] Figure 7 It is a structural schematic diagram of a deep well kit disassembly tool provided in a second embodiment of the present application;

[0031] Figure 8 It is a schematic diagram of the structure of the casing in the deep well kit disassembly tool provided in the second embodiment of the present application.

[0032] The meanings of the marks in the figure are:

[0033] 200-deep well kit, 91-housing, 910-inner cavity, 911-third connecting hole, 92-shaft member, 93-ring member, 931-first connecting hole;

[0034] 100-Deep Well Kit Removal Tool;

[0035] 3- the third screw;

[0036] 4-support base, 41-positioning ring, 411-positioning protrusion, 42-support ring, 43-pressure cover, 431-lug, 44-first opening, 441-first hole section, 442-second hole section, 443-third hole section, 45-first tool hole, 451-fourth hole section, 452-fifth hole section, 453-sixth hole section, 46-second tool hole, 47-second connecting hole;

[0037] 5-connecting piece, 51-second screw;

[0038] 6-lifting member, 61-first screw rod, 62-limiting nut;

[0039] 7-sleeve, 71-second opening, 711-first avoidance hole, 712-second avoidance hole, 72-third tool hole,

[0040] 81 - first pressure sensor, 82 - displacement sensor, 83 - alarm, 84 - processor, 85 - display, 86 - second pressure sensor. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0042] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly or indirectly fixed or disposed on the other component. When a component is referred to as being "connected to" another component, it may be directly or indirectly connected to the other component. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of this patent. The terms "first" and "second" are only used for the convenience of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0043] In order to illustrate the technical solution described in this application, a detailed description is given below in conjunction with specific drawings and embodiments.

[0044] See also Figure 1 As shown, the deep well kit 200 includes a housing 91, a shaft 92 and a ring 93, wherein the housing 91 has an inner cavity 910 with at least one end being open, the shaft 92 is disposed in the inner cavity 910, and the ring 93 is located in the inner cavity 910 and sleeved on the shaft 92. During inspection and maintenance, the ring 93 needs to be removed from the shaft 92 and pulled out of the inner cavity 910.

[0045] In some cases, the ring 93 and the shaft 92 generate interaction forces due to interference fit, deformation, corrosion, etc., which brings certain difficulties to the removal of the ring 93.

[0046] The deep well kit 200 can be any form of structure. For example, taking the packing seal structure of a SEC pump as an example, the shell 91 is a packing chamber, the inner cavity 910 is the cavity of the packing chamber, the shaft 92 is the pump shaft of the SEC pump, and the ring 93 is a water seal ring.

[0047] See also Figure 2 As shown, a first connecting hole 931 is provided on the axial end surface of the ring 93, and the first connecting hole 931 is a threaded hole.

[0048] In a specific application, the first connection hole 931 can be a threaded hole provided by the ring member 93 itself. Alternatively, the first connection hole 931 can be formed by self-drilling using a tool on site. Alternatively, the threaded hole is provided by the ring member 93 itself, but if it is rusted or deformed, it can also be cleaned with the assistance of a tool to obtain a clearer internal thread.

[0049] like Figure 3 As shown, the present application embodiment provides a deep well kit disassembly tool 100, which is used to be installed on the deep well kit 200 and disassemble the ring member 93 from the shaft member 92. Here, taking the axial direction of the shaft member 92 as the vertical direction as an example, the two directions of "up" and "down" are defined. The disassembly of the ring member 93 is to lift the ring member 93 upward and then separate it from the shaft member 92.

[0050] Specifically, see Figure 3 As shown, the deep well kit disassembly tool 100 includes a support base 4, a connecting member 5 and a plurality of lifting members 6. The support base 4 is provided with a first opening 44 extending axially therethrough, and a plurality of first tool holes 45 surrounding the first opening 44 and extending axially therethrough. The support base 4 is detachably and fixedly mounted to the upper end surface of the shell 91 through the connecting member 5 so that the first opening 44, the first tool hole 45 and the inner cavity 910 are connected axially, that is, the first opening 44, the first tool hole 45 and the inner cavity 910 are connected in the up and down directions. Each lifting member 6 includes a first meshing screw rod 61 and a limiting nut 62. The limiting nut 62 is arranged on the upper end surface of the support base 4 corresponding to the first tool hole 45. The outer diameter of the limiting nut 62 is larger than the inner diameter of the first tool hole 45, so that the limiting nut 62 will not enter the first tool hole 45; the first screw rod 61 passes through the limiting nut 62 and the first tool hole 45, and the lower end of the first screw rod 61 is used to form a threaded connection with the first connecting hole 931 on the end surface of the ring member 93.

[0051] In specific application, the first screw rod 61 is passed through the limit nut 62, and the first screw rod 61 is continuously rotated, and the first screw rod 61 gradually moves downward in the first tool hole 45 until the lower end of the first screw rod 61 enters the first connection hole 931 and forms a threaded connection with the ring member 93. The first screw rod 61 is continuously rotated, and since the ring member 93 cannot continue to move downward (or the ring member 93 moves downward for a distance with the first screw rod 61 and reaches the lowest point), and due to the limitation of the limit nut 62, the first screw rod 61 is converted to drive the ring member 93 to move upward until the ring member 93 reaches the upper end of the housing 91. Then, the ring member 93 can be taken out of the housing 91 and detached from the shaft member 92. In this way, the disassembly of the ring member 93 is realized.

[0052] The deep well kit disassembly tool 100 provided in the embodiment of the present application supports the first screw 61 and the limit nut 62 through the support base 4, and the lifting of the ring 93 is achieved through the cooperation of the first screw 61 and the limit nut 62. The staff can operate the first screw 61 to rotate outside the shell 91, so that the rotation of the first screw 61 is converted into the lifting of the ring 93 without the need for axial lifting. The rotation operation of the first screw 61 is simpler and the longitudinal space required for the operation is smaller, which can save maintenance time and manpower and improve maintenance efficiency.

[0053] like Figure 3 and Figure 4 As shown, in one embodiment, a positioning protrusion 411 is formed at one end of the support base 4 facing the shell 91, and the outer peripheral surface of the positioning protrusion 411 abuts against the inner wall of the shell 91. In other words, the outer diameter of the positioning protrusion 411 can be precisely machined to abut against the inner wall of the shell 91. In this way, the entire support base 4 can be more accurately coaxial with the shaft 92, and the first tool hole 45 and the first connecting hole 931 can be ensured to be coaxial, etc., thereby facilitating the alignment and engagement of the first screw 61 and the first connecting hole 931, and ensuring that the first screw 61 can be smoothly raised and lowered.

[0054] The positioning protrusion 411 can be in a closed loop form or in a non-closed loop form, as long as it can ensure that it can form an abutment positioning with at least a portion of the inner wall of the shell 91.

[0055] See also Figure 3 , and combined with Figures 4 to 6 As shown, in one embodiment, the support base 4 includes a positioning ring 41, a support ring 42 and a pressure cover 43 stacked in sequence from bottom to top, and the first opening 44 and the first tool hole 45 both penetrate the positioning ring 41, the support ring 42 and the pressure cover 43. Figure 4 As shown, the positioning protrusion 411 is formed on the end surface of the positioning ring 41 facing away from the supporting ring 42 .

[0056] The first opening 44 includes a first hole section 441, a second hole section 442 and a third hole section 443 formed on the positioning ring 41, the support ring 42 and the pressure cover 43, respectively. Figure 4 , Figure 5 and Figure 6 As shown; the first tool hole 45 includes a fourth hole segment 451, a fifth hole segment 452 and a sixth hole segment 453 formed correspondingly in the positioning ring 41, the support ring 42 and the pressure cover 43.

[0057] The purpose of such design is to facilitate the processing of the support base 4. Specifically, each of the positioning ring 41, the support ring 42 and the pressure cover 43 can be designed to be thinner, so that the first hole section 441 to the sixth hole section 453 can be processed more conveniently.

[0058] The support ring 42 is mainly used to provide a suitable height for supporting the base 4. In an optional embodiment, the support ring 42 can be cancelled as needed.

[0059] In one embodiment, if Figure 6 As shown, lugs 431 protruding radially relative to the positioning ring 41 and the support ring 42 are formed on opposite sides of the periphery of the gland 43, and the connecting member 5 is used to connect the lugs 431 and the housing 91. In other optional embodiments, the lugs 431 may be three or four, and may be evenly distributed around the shaft 92.

[0060] In this way, the positioning protrusion 411 and the lug 431 are respectively located on different components, which is also convenient for their respective processing and design.

[0061] See also Figure 3 and Figure 6 As shown, the connecting member 5 includes a second screw 51, and a through second connecting hole 47 is also provided on the supporting base 4, specifically on the lug 431 of the gland 43. A third connecting hole 911 is provided on the upper end surface of the housing 91. The third connecting hole 911 is a threaded hole, and the second screw 51 passes through the second connecting hole 47 and forms a threaded engagement with the third connecting hole 911. In order to facilitate the processing and manufacturing of the gland 43, the second connecting hole 47 may not be a threaded hole.

[0062] Specifically, see Figure 3 As shown, the second connecting hole 47 is a countersunk hole. The purpose of this design is to prevent the head of the second screw rod 51 from protruding from the upper surface of the gland 43, so that when the first screw rod 61 is rotated, the head of the second screw rod 51 will not affect the rotation operation of the first screw rod 61.

[0063] Please continue reading Figure 3 As shown, in one embodiment, the deep well kit disassembly tool 100 further includes a plurality of first pressure sensors 81 disposed between the housing 91 and the support base 4, and / or between the lifting member 6 and the support base 4, and the plurality of first pressure sensors 81 are evenly distributed around the opening.

[0064] The first pressure sensor 81 is used to detect the force acting on the housing 91 and the support base 4 during the rotation and lifting process of the first screw 61, that is, to reflect the resistance during the lifting process of the ring 93. If the resistance is too large, it means that there may be a problem of lifting deviation, and the position of the first screw 61 can be considered to be readjusted.

[0065] Specifically, Figure 3As shown, in one embodiment, a first pressure sensor 81 is provided between the limit nut 62 and the upper end surface of the gland 43. In other optional embodiments, the first pressure sensor 81 may also be provided between the gland 43 and the support ring 42, or between the support ring 42 and the positioning ring 41, or between the positioning ring 41 and the upper end surface of the housing 91, or the first pressure sensor 81 may be provided at multiple positions in these positions.

[0066] Also, please read Figure 3 As shown, in one embodiment, the deep well kit disassembly tool 100 also includes a plurality of second pressure sensors 86, which are arranged between the connector 5 and the support base 4, and / or between the connector 5 and the shell 91, and are used to measure the force applied to the connector 5, that is, the tightening force provided by the connector 5, so as to reflect whether the support base 4 and the shell 91 are tightly connected.

[0067] Specifically, see Figure 3 As shown, in a specific embodiment, the second pressure sensor 86 is disposed between the head of the second screw 51 and the bottom wall of the second connecting hole 47 of the pressure cover 43 .

[0068] Please continue reading Figure 3 As shown, in one embodiment, the deep well kit disassembly tool 100 further includes a processor 84, a display 85 and an alarm 83. The processor 84 is connected to the display 85, the first pressure sensor 81, the second pressure sensor 86 and the alarm 83. The processor 84 is used to receive the pressure signals of the first pressure sensor 81 and the second pressure sensor 86, and display the pressure signals on the display 85 in the form of text and / or pictures for reference by the staff. The processor 84 is also used to control the alarm 83 to work and send out an alarm signal when the pressure detected by the first pressure sensor 81 exceeds a predetermined range.

[0069] The alarm 83 may be an audible alarm, a visual alarm, or other types of alarms integrated into the processor 84 .

[0070] In one embodiment, see Figure 3 As shown, the deep well kit removal tool 100 further includes one or more displacement sensors 82, which are arranged on the support base 4 and are used to detect the displacement of each first screw 61. The displacement sensor 82 is connected to the processor 84, and the processor 84 can control the display 85 in real time to display the displacement data.

[0071] Specifically, the displacement sensor 82 may be disposed on the upper end surface of the pressure cover 43 and arranged in a one-to-one correspondence with the first screw rod 61 .

[0072] Optionally, the processor 84 is further configured to give a prompt signal when the data deviation of the plurality of displacement sensors 82 exceeds a predetermined range, such as sending an alarm signal about displacement by means of the alarm 83 .

[0073] Figure 3 In the embodiment, the deep well kit disassembly tool 100 further includes a plurality of third screw rods 3. The support base 4 is also provided with a plurality of second tool holes 46 ( Figures 4 to 6 In the figure, limited by the angle of the diagram, only Figure 6 A portion of the second tool hole 46 is shown in the gland 43 to indicate the approximate position of the second tool hole 46), and the second tool hole 46 is a threaded hole that can engage with the third screw rod 3. In specific applications, the third screw rod 3 is rotated to move the third screw rod 3 downward until the lower end of the third screw rod 3 contacts the ring member 93, and the third screw rod 3 is continuously rotated, so that the third screw rod 3 can exert a downward force on the ring member 93. This force can cause the ring member 93 to move downward, forming a preliminary looseness between the ring member 93 and the shaft member 92.

[0074] The plurality of third screws 3 may be evenly or unevenly distributed around the shaft 92. Furthermore, the plurality of third screws 3 may act synchronously to move the ring 93 downward as a whole, or may act asynchronously to loosen the ring 93 in a skewed manner. Prior to this, a loosening agent may be sprayed on the ring 93 to assist in loosening the ring 93.

[0075] Alternatively, if Figure 6 As shown, in one embodiment, the second tool holes 46 and the first tool holes 45 (sixth hole segments 453 ) are alternately distributed along the circumferential direction.

[0076] Alternatively, in one embodiment, the first tool hole 45 is a threaded hole that can mesh with the third screw rod 3, and the major diameter of the thread on the first screw rod 61 is smaller than the minor diameter of the internal thread of the first tool hole 45. In this way, the third screw rod 3 presses down the ring member 93 through the first tool hole 45, and the third screw rod 3 will not mesh with the first connection hole 931 of the ring member 93, and the thread of the first tool hole 45 will not affect the rotation of the first screw rod 61, so that the first tool hole 45 can be used for multiple purposes, and the second tool hole 46 can be eliminated.

[0077] Please refer to Figure 3 As shown, according to the above, the positioning protrusion 411 cooperates with the inner peripheral wall of the housing 91, so the positioning ring 41 together with the entire support base 4 substantially shields the upper end of the housing 91. After the ring 93 is lifted to the upper end of the housing 91, it is still blocked by the support base 4 and does not completely detach from the housing 91 in the axial direction. After the deep well kit removal tool 100 is disassembled, it may still be difficult to remove the ring 93 from the upper end of the housing 91.

[0078] At this time, see Figure 7 and Figure 8 As shown, the deep well kit disassembly tool 100 also includes a sleeve 7, which is provided with a second opening 71 extending in the axial direction, and a plurality of third tool holes 72 surrounding the second opening 71 and extending in the axial direction, the second opening 71 includes a first avoidance hole 711 and a second avoidance hole 712 connected in the axial direction, the first avoidance hole 711 is located on a side close to the housing 91, and the inner diameter of the first avoidance hole 711 is larger than the outer diameter of the ring 93, and the inner diameter of the third tool hole 72 is smaller than the outer diameter of the limit nut 62. The sleeve 7 is used to be installed on the upper end surface of the housing 91 after the support base 4 is disassembled, so that the second opening 71, the third tool hole 72 and the inner cavity 910 are connected in the axial direction. The depth of the first avoidance hole 711 is greater than or equal to the height of the ring 93 to allow the ring 93 to be completely pulled out of the shell 91 by the first screw 61. Alternatively, in actual applications, the depth of the first avoidance hole 711 may be slightly less than the height of the ring 93. When the ring 93 is pulled to the highest position, a portion of it is still located in the shell 91. At this time, after removing the sleeve 7, the height of the portion of the ring 93 in the shell 91 is small enough to allow the staff to easily remove it manually.

[0079] That is, the sleeve 7 still allows the first screw 61 to rotate and lift the ring 93, and the first avoidance hole 711 allows the ring 93 to be continuously lifted until it is completely or nearly completely separated from the housing 91. The third tool hole 72 is equivalent to the first tool hole 45.

[0080] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A deep well kit disassembly tool, used for installation on a deep well kit, the deep well kit comprising a housing with an inner cavity, a shaft disposed in the inner cavity, and a ring located in the inner cavity and sleeved with the shaft, characterized in that: The deep well kit removal tool includes: A support base, wherein the support base is provided with a first opening extending in the axial direction, and a plurality of first tool holes arranged around the first opening and extending in the axial direction, and the support base is arranged on the shell so that the first opening, the first tool holes and the inner cavity are connected in the axial direction; A connecting piece, used for detachably and fixedly connecting the supporting base and the shell; Multiple lifting members, each of which includes a first meshing screw rod and a limiting nut, the limiting nut is arranged on the upper end surface of the support base, the outer diameter of the limiting nut is larger than the inner diameter of the first tool hole, the first screw rod passes through the limiting nut and the first tool hole, and the lower end of the first screw rod is used for threaded connection with the first connecting hole on the end surface of the ring.

2. The deep well kit removal tool according to claim 1, characterized in that: A positioning protrusion is formed on the end surface of the support base facing the shell, and the outer peripheral surface of the positioning protrusion abuts against the inner wall of the shell.

3. The deep well kit removal tool according to claim 2, characterized in that: The support base includes a positioning ring, a support ring and a pressure cover which are stacked in sequence; the first opening and the first tool hole both penetrate the positioning ring, the support ring and the pressure cover; the positioning protrusion is formed on the end face of the positioning ring facing away from the support ring; a plurality of lugs are formed on the periphery of the pressure cover, and the lugs protrude radially relative to the positioning ring and the support ring; the connecting piece connects the lugs and the shell.

4. The deep well kit removal tool according to claim 1, characterized in that: The connecting member includes a second screw rod, and the support base is also provided with a through second connecting hole. The end surface of the shell facing the support base is provided with a third connecting hole, and the third connecting hole is a threaded hole. The second screw rod passes through the second connecting hole and engages with the third connecting hole.

5. The deep well kit removal tool according to claim 4, characterized in that: The support base comprises a positioning ring, a supporting ring and a pressure cover which are stacked in sequence; the first opening and the first tool hole both penetrate the positioning ring, the supporting ring and the pressure cover; the second connecting hole is formed in the pressure cover; The second connecting hole is a countersunk hole.

6. The deep well kit removal tool according to any one of claims 1 to 5, characterized in that: The deep well kit disassembly tool also includes an alarm and multiple first pressure sensors, wherein the first pressure sensors are arranged between the shell and the support base, and / or between the lifting member and the base; multiple first pressure sensors are evenly distributed around the first opening; the alarm is connected to each of the first pressure sensors, and is used to send an alarm signal when the pressure detected by the first pressure sensor exceeds a predetermined range.

7. The deep well kit removal tool according to any one of claims 1 to 5, characterized in that: The deep well kit disassembly tool further comprises one or more second pressure sensors, which are arranged between the connecting member and the supporting base and / or between the connecting member and the housing, and are used to detect the tightening force of the connecting member.

8. The deep well kit removal tool according to any one of claims 1 to 5, characterized in that: The deep well kit disassembly tool further comprises one or more displacement sensors, which are arranged on the support base and are used to detect the displacement of the first screw rod.

9. The deep well kit removal tool according to any one of claims 1 to 5, characterized in that: The deep well kit removal tool also includes a plurality of third screws; The support base is also provided with a plurality of second tool holes, wherein the second tool holes are threaded holes capable of engaging with the third screw rod, and the third screw rod is used to press down the ring member; or, the first tool hole is a threaded hole capable of engaging with the third screw rod, the major diameter of the thread on the first screw rod is smaller than the minor diameter of the internal thread of the first tool hole, and the third screw rod is used to press down the ring member.

10. The deep well kit removal tool according to any one of claims 1 to 5, characterized in that: The deep well kit disassembly tool also includes a casing, which is provided with a second opening extending axially therethrough, and a plurality of third tool holes surrounding the second opening and extending axially therethrough; the second opening includes a first avoidance hole and a second avoidance hole connected axially, the first avoidance hole is located on a side close to the shell, and the inner diameter of the first avoidance hole is larger than the outer diameter of the ring, and the inner diameter of the third tool hole is smaller than the outer diameter of the limit nut; the casing is used to be installed on the shell after the support base is disassembled, so that the second opening, the third tool hole and the inner cavity are connected axially.

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