Sliding Full Rotary Indexing Tool

Abstract

The present invention relates to the field of mineral mining technology, and in particular to a sliding full-rotation indexing tool, comprising a battery compartment section, an electronic compartment section, a power compartment section and an output compartment section connected in sequence from top to bottom; when the electromagnetic switching valve is connected to the output rod cavity, the servo hydraulic pump drives the hydraulic oil from the oil pump cavity to flow into the output rod cavity, and the hydraulic oil in the return rod cavity flows into the oil pump cavity through the second delivery oil path to push the drive shaft and the clutch drive shell to move downward, thereby releasing the anchoring of the output shaft. The drive shaft that starts to rotate can drive the output shaft to rotate in one direction through a first one-way rotation limiter. The output shaft can not only drive the drill bit to rotate in one direction by about 18° at a time, but also drive the drill bit to rotate in one direction by more than 360°, and can cooperate with the spontaneous rotation of the drill bit to realize a composite drilling form, which is conducive to improving the inclination accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of mineral mining, and in particular to a sliding full-rotation indexing tool. Background Art

[0002] In the process of drilling for mineral resources such as oil and natural gas, it is often necessary to deflect the borehole. That is, the drill is forced to deflect during drilling, artificially making the borehole curved. In addition to deflecting the borehole during directional drilling, deflecting is also often done when dealing with accidents in the hole.

[0003] However, when using traditional drilling tools to create inclination, the inclination accuracy is low, which affects the mining efficiency. Summary of the invention

[0004] The invention provides a sliding full-rotation indexing tool, which is used to solve the problem that when a conventional deflection making tool is used to make deflection, the deflection making precision is low, thus affecting the mining efficiency.

[0005] The present invention provides a sliding full-rotation indexing tool, comprising a battery compartment section, an electronic compartment section, a power compartment section and an output compartment section which are sequentially connected from top to bottom;

[0006] The power compartment section includes:

[0007] The power compartment housing has a first oil delivery passage and a second oil delivery passage formed inside the side wall;

[0008] The power compartment inner core is arranged in the upper part of the power compartment outer shell, the middle part is hollow to form a liquid flow channel, and an oil pump cavity and a rod output cavity are formed between the power compartment outer shell; the oil pump cavity is connected to the first oil delivery path;

[0009] A servo hydraulic pump is installed in the oil pump cavity;

[0010] The electromagnetic switching valve is installed in the oil pump cavity and can be connected with the output rod cavity / the second oil delivery path;

[0011] The drive shaft is inserted into the lower part of the power compartment housing, the middle part is hollow to form a liquid flow channel, and a return rod cavity is formed between the drive shaft and the power compartment housing; the return rod cavity is connected to the second oil delivery path;

[0012] An isolation ring is sleeved on the inner core of the power compartment to isolate the oil pump cavity and the rod cavity;

[0013] The clutch driving housing is sleeved outside the driving shaft, and the inner wall is threadedly connected with the outer wall of the driving shaft;

[0014] The output bin section includes:

[0015] The output chamber housing has a top end detachably connected to the bottom end of the power chamber housing;

[0016] The output shaft has a middle portion passing through the interior of the output bin housing, an upper portion passing through the interior of the power bin housing, and a hollow middle portion forming a liquid flow channel;

[0017] The clutch is sleeved on the upper part of the output shaft, and the top end surface is in contact with the bottom end surface of the clutch driving housing;

[0018] A first one-way rotation limiter is sleeved on the top of the output shaft;

[0019] A second one-way rotation limiter is sleeved on the lower part of the output shaft;

[0020] When the electromagnetic switching valve is connected to the output rod cavity, the servo hydraulic pump drives the hydraulic oil from the oil pump cavity to flow into the output rod cavity, and the hydraulic oil in the return rod cavity flows into the oil pump cavity through the second oil delivery path to push the drive shaft and the clutch drive housing to move downward; the clutch drive housing presses down the clutch to release the anchoring of the output shaft; the drive shaft starts to rotate, and drives the output shaft to rotate in one direction through the first one-way rotation limiter;

[0021] When the electromagnetic switching valve is connected to the second oil delivery circuit, the servo hydraulic pump drives the hydraulic oil from the oil pump chamber into the return rod chamber to push the drive shaft and the clutch drive housing to move upward; the clutch drive housing disengages from the clutch to brake the output shaft; at this time, the second one-way rotation limiter locks the output shaft, and the first one-way rotation limiter is unlocked to prevent the output shaft from reversing.

[0022] In some embodiments, the output bin section further comprises:

[0023] A first thrust bearing is connected to the top of the output bin housing and the upper part of the output shaft respectively;

[0024] The second thrust bearing is connected to the bottom end of the output bin housing and the lower part of the output shaft respectively.

[0025] In some embodiments, a blocking cap is disposed at the top of the power compartment housing; the blocking cap is detachably connected to the bottom of the electronic compartment section; a first oil delivery path is formed inside the side wall of the blocking cap;

[0026] The power compartment section also includes:

[0027] The limit ring is installed in the power compartment housing to limit the up and down movement of the drive shaft;

[0028] The wear-resistant ring is sleeved on the bottom end of the clutch drive housing.

[0029] In some embodiments, the power compartment section further comprises:

[0030] A filter screen is arranged at the connection point between the first oil delivery passage and the oil pump chamber;

[0031] The differential pressure sensor is installed on the top of the isolation ring.

[0032] In some embodiments, the power compartment section further comprises:

[0033] The pulse receiving module is installed on the power compartment housing and connected to the servo hydraulic pump.

[0034] In some embodiments, the electronic compartment segment includes:

[0035] The bottom end of the electronic compartment housing is detachably connected to the top end of the power compartment housing, and an oil filling passage is formed inside the side wall;

[0036] The electronic compartment inner core is arranged inside the electronic compartment outer shell, the bottom end is connected to the top end of the power compartment inner core, the middle part is hollow to form a liquid flow channel, and an oil storage cavity and an electronic accommodating cavity are formed between the electronic compartment outer shell; the oil storage cavity is connected to the oil filling oil path;

[0037] A welding plug is installed at one end of the oil filling passage away from the oil storage chamber;

[0038] Electronic components are installed in the electronic accommodating cavity;

[0039] The first electrical connector is installed at the top of the electronic compartment housing and connected to the electronic component.

[0040] In some embodiments, the battery compartment segment includes:

[0041] A battery compartment housing, the bottom end of which is detachably connected to the top end of the electronic compartment housing;

[0042] The battery compartment inner core is arranged inside the electronic compartment outer shell, the middle part of which is hollow to form a liquid flow channel, and a battery accommodating cavity is formed between the battery compartment outer shell;

[0043] A battery is installed in the battery accommodating cavity;

[0044] The second electrical connector is installed at the top of the battery compartment housing and connected to the battery.

[0045] In some of the embodiments, sealing joints are respectively provided at the top and bottom ends of the battery compartment inner core.

[0046] In some of the embodiments, the outer wall of the battery is rotatably connected to the inner wall of the battery compartment.

[0047] In some of the embodiments, the first one-way rotation limiter and the second one-way rotation limiter are ratchets or one-way bearings.

[0048] The beneficial effects of the present invention are as follows: the sliding full-rotation indexing tool of the present invention is provided with an electromagnetic switching valve. When the electromagnetic switching valve is connected to the rod output cavity, the servo hydraulic pump drives the hydraulic oil from the oil pump cavity to flow into the rod output cavity, and the hydraulic oil in the return rod cavity flows into the oil pump cavity through the second oil delivery path to push the drive shaft and the clutch drive shell to move downward. The clutch is pressed down by the clutch drive shell to release the anchoring of the output shaft. At this time, the second one-way rotation limiter is in an unlocked state, and the first one-way rotation limiter locks the output shaft. The drive shaft starts to rotate and drives the output shaft to rotate unidirectionally through the first one-way rotation limiter. The output shaft can not only drive the drill bit to rotate unidirectionally by about 18° at a time, but also drive the drill bit to rotate unidirectionally by more than 360°, and can cooperate with the spontaneous rotation of the drill bit to realize a composite drilling form, which is conducive to improving the inclination accuracy and inclination efficiency, and thus is conducive to reducing drilling costs and improving mining efficiency and benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 It is a structural schematic diagram of some specific embodiments of a sliding full-rotation indexing tool of the present invention;

[0050] Figure 2 yes Figure 1 The schematic structural diagrams of some specific embodiments of the battery compartment segment in the sliding full-rotation indexing tool shown;

[0051] Figure 3 yes Figure 2 A cross-sectional view of the battery compartment section shown along the axial direction;

[0052] Figure 4 yes Figure 1 The schematic structural diagrams of some specific embodiments of the electronic bin segment in the sliding full-rotation indexing tool shown;

[0053] Figure 5 yes Figure 4 A cross-sectional view of the electronic compartment section shown;

[0054] Figure 6 yes Figure 1 The schematic structural diagrams of some specific embodiments of the power chamber section in the sliding full-rotation indexing tool shown;

[0055] Figure 7 yes Figure 6 A cross-sectional view of the power compartment section shown;

[0056] Figure 8 yes Figure 1 The structural schematic diagrams of some specific embodiments of the output bin section in the sliding full-rotation indexing tool shown;

[0057] Fig. 9 yes Figure 8 A cross-sectional view of the output bin section is shown.

[0058] In the attached drawings, 110, battery compartment section; 111, battery compartment shell; 112, battery compartment inner core; 1121, sealing joint; 113, battery; 114, second electrical connector; 120, electronic compartment section; 121, electronic compartment shell; 1211, oil filling oil circuit; 122, electronic compartment inner core; 123, welding plug; 124, electronic component; 125, first electrical connector; 130, power compartment section; 131, power compartment shell; 1311, stopper cap; 13111, first oil delivery circuit; 1312, second oil delivery circuit; 1313, oil pump chamber; 1314, rod delivery chamber; 1315, return Rod cavity; 132, power compartment inner core; 133, servo hydraulic pump; 134, electromagnetic switching valve; 135, isolation ring; 136, drive shaft; 137, clutch drive housing; 1381, piston ring; 1382, limit ring; 1383, wear-resistant ring; 1384, filter; 1391, differential pressure sensor; 1392, pulse receiving module; 140, output compartment section; 141, output compartment outer shell; 142, output shaft; 143, clutch; 144, first one-way rotation limiter; 145, second one-way rotation limiter; 146, first thrust bearing; 147, second thrust bearing. DETAILED DESCRIPTION

[0059] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0060] As described in the background technology, during the drilling process of mineral resources such as oil and natural gas, it is often necessary to deflect the borehole. That is, the drill tool is forced to deflect during drilling, and the borehole is artificially bent. In addition to deflecting the borehole during directional drilling, deflection is also often performed when dealing with accidents in the hole. However, when using traditional drill tools to deflect, the deflection accuracy is low, which affects the mining efficiency.

[0061] To solve the above problems, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 The present invention provides a sliding full-rotation indexing tool, comprising a battery compartment section 110, an electronic compartment section 120, a power compartment section 130 and an output compartment section 140 connected in sequence from top to bottom. When in working state, the battery compartment section 110 is located at the top, and the output compartment section 140 is located at the bottom. Figure 4 and Figure 5 As shown, the electronic bin section 120 includes an electronic bin shell 121, an electronic bin core 122, a welding plug 123, an electronic component 124 and a first electrical connector 125. An oil filling circuit 1211 is formed inside the side wall of the electronic bin shell 121. The electronic bin core 122 is arranged inside the electronic bin shell 121, and the middle part is hollow to form a liquid flow channel. It should be pointed out that the liquid flow channel is used for underground petroleum, mud, mortar, etc. to flow to the ground. An oil storage chamber and an electronic accommodating chamber are formed between the electronic bin core 122 and the electronic bin shell 121. The oil storage chamber is connected to the oil filling circuit 1211, and hydraulic oil can be added to the oil storage chamber through the oil filling circuit 1211. The welding plug 123 is installed at one end of the oil filling circuit 1211 away from the oil storage chamber for injecting and checking hydraulic oil. The electronic component 124 is installed in the electronic housing chamber to isolate the electronic component 124 from the external high temperature and high pressure environment, and to isolate the electronic component 124 from the liquid, effectively extending the service life of the electronic component 124. It should be noted that the electronic component 124 includes various electronic components such as a single chip microcomputer and a driver board. The first electrical connector 125 is installed at the top of the electronic compartment housing 121, and is electrically connected to the electronic component 124 and the battery respectively. Figure 2 and Figure 3 As shown, the battery compartment section 110 includes a battery compartment shell 111, a battery compartment core 112, a battery 113, and a second electrical connector 114. The bottom end of the battery compartment shell 111 is detachably connected to the top end of the electronic compartment shell 121 through a standard thread, and the top end is detachably connected to other tools or equipment through a standard thread. The battery compartment core 112 is inserted into the interior of the electronic compartment shell 121, and the middle part is hollow to form a liquid flow channel. The bottom end of the battery compartment core 112 is detachably connected to the top end of the electronic compartment core 122 to communicate the liquid flow channel. A battery accommodating cavity is formed between the battery compartment core 112 and the battery compartment shell 111. The battery 113 is installed in the battery accommodating cavity to isolate the battery 113 from the external high temperature and high pressure environment, and to isolate the battery 113 from the liquid, effectively extending the service life of the battery 113. The battery 113 can supply power to the electronic components 124 and other power-consuming components, without the need for an external cable to supply power to the sliding full-rotation indexing tool, and the battery life can be adjusted as needed. The second electrical connector 114 is installed at the top of the battery compartment housing 111 and is electrically connected to the battery. Figure 6 and Figure 7As shown, the power chamber section 130 includes a power chamber housing 131, a power chamber inner core 132, a servo hydraulic pump 133, an electromagnetic switching valve 134, a drive shaft 136, an isolation ring 135 and a clutch drive housing 137. The top of the power chamber housing 131 is detachably connected to the bottom of the electronic chamber housing 121 through a standard thread. A first oil delivery path 13111 and a second oil delivery path 1312 are formed inside the side wall of the power chamber housing 131. The power chamber inner core 132 is inserted into the upper part of the power chamber housing 131, and the middle part is hollow to form a liquid flow channel. The top of the power chamber inner core 132 is detachably connected to the bottom of the electronic chamber inner core 122 to communicate with the liquid flow channel. An oil pump cavity 1313 and a rod delivery cavity 1314 are formed between the power chamber inner core 132 and the power chamber housing 131. The oil pump cavity 1313 is communicated with the oil storage cavity through the first oil delivery path 13111. The servo hydraulic pump 133 is installed in the oil pump chamber 1313 and is used as a power source for the flow of hydraulic oil. The electromagnetic switching valve 134 is installed in the oil pump chamber 1313 and can be connected to the rod chamber 1314 / the second oil delivery circuit 1312. The drive shaft 136 is passed through the lower part of the power bin housing 131, and the middle part is hollow to form a liquid flow channel. A return rod chamber 1315 is formed between the drive shaft 136 and the power bin housing 131. The return rod chamber 1315 is connected to the second oil delivery circuit 1312. The isolation ring 135 is sleeved on the power bin inner core 132 to isolate the oil pump chamber 1313 and the rod chamber 1314. The clutch drive housing 137 is sleeved on the outside of the drive shaft 136, and the inner wall is screwed to the outer wall of the drive shaft 136. Figure 8 and Fig. 9As shown, the output bin section 140 includes an output bin housing 141, an output shaft 142, a clutch 143, a first one-way rotation limiter 144 and a second one-way rotation limiter 145. The top of the output bin housing 141 is detachably connected to the bottom of the power bin housing 131 through a standard thread. The middle part of the output shaft 142 is inserted into the inside of the output bin housing 141, and the upper part is inserted into the power bin housing 131. The middle part is hollow to form a liquid flow channel. The bottom end of the output shaft 142 is detachably connected to the drill bit through a standard thread. The drill bit can not only rotate spontaneously, but also be driven to rotate by the output shaft 142. The clutch 143 is sleeved on the upper part of the output shaft 142, and the top surface is in contact with the bottom surface of the clutch drive housing 137, and can be connected or disconnected with the output shaft 142. The first one-way rotation limiter 144 is sleeved on the top of the output shaft 142. The second one-way rotation limiter 145 is sleeved on the lower part of the output shaft 142. When the electromagnetic switching valve 134 is connected to the output rod chamber 1314, the amount of hydraulic oil flowing from the oil pump chamber 1313 into the output rod chamber 1314 is precisely controlled by the servo hydraulic pump 133, and the hydraulic oil in the return rod chamber 1315 flows into the oil pump chamber 1313 through the second oil delivery path 1312 to push the drive shaft 136 and the clutch drive housing 137 to move downward. The clutch drive housing 137 presses down the clutch 143 to release the anchoring of the output shaft 142. At this time, the second one-way rotation limiter 145 is in an unlocked state, and the first one-way rotation limiter 144 locks the output shaft 142. After that, the drive shaft 136 starts to rotate, and through the first one-way rotation limiter 144, it can drive the output shaft 142 and the drill bit to rotate in one direction. When the electromagnetic switching valve 134 is connected to the second oil delivery circuit 1312, the servo hydraulic pump 133 drives the hydraulic oil from the oil pump chamber 1313 into the return rod chamber 1315 to push the drive shaft 136 and the clutch drive housing 137 to move upward. The clutch drive housing 137 disengages from the clutch 143 to brake the output shaft 142. At this time, the second one-way rotation limiter 145 locks the output shaft 142, and the first one-way rotation limiter 144 is unlocked to prevent the output shaft 142 and the drill bit from reversing. The amount of hydraulic oil flowing from the oil pump chamber 1313 into the output rod chamber 1314 is accurately controlled to accurately control the output shaft 142 to rotate in one direction at a certain angle (about 18°) in one time. Of course, the output shaft 142 can also be rotated in one direction by more than 360°. The output shaft 142 can not only drive the drill bit to rotate in one direction for a certain angle, but also drive the drill bit to rotate in one direction for more than 360°, and can cooperate with the spontaneous rotation of the drill bit to achieve a composite drilling form, which is beneficial to improving the inclination accuracy and efficiency, and thus helps to reduce drilling costs and improve mining efficiency and benefits.

[0062] It should be noted that the maximum outer diameter of the sliding full-rotation indexing tool is 108mm, the full rotation speed is 13r / min, the rotation torque is >3000Nm, the pressure resistance value is 137.895MPa (20000psi), and the high temperature resistance is 150-200°C. The bottom end of the output shaft 142 can also be detachably connected to the drilling bit through a standard thread, so as to collect deeper and more complex underground images.

[0063] Preferably, there may be one battery compartment segment 110 or more than two battery compartment segments 110. When there are more than two battery compartment segments 110, they may be connected in series or in parallel.

[0064] Preferably, the first electrical connector 125 and the second electrical connector 114 are electrical wire plug connectors.

[0065] Preferably, the output bin section 140 further includes a first thrust bearing 146 and a second thrust bearing 147. The first thrust bearing 146 is respectively connected to the top end of the output bin housing 141 and the upper part of the output shaft 142. The second thrust bearing 147 is respectively connected to the bottom end of the output bin housing 141 and the lower part of the output shaft 142. The first thrust bearing 146 and the second thrust bearing 147 can bear and transmit axial loads, reduce friction and vibration, and improve the operating efficiency and stability of the sliding full-rotation indexing tool.

[0066] Specifically, in the example, referring to Figure 7 , a stop cap 1311 is provided at the top of the power compartment housing 131. The stop cap 1311 is detachably connected to the bottom end of the electronic compartment section 120 through a standard thread. A first oil delivery path 13111 is formed inside the side wall of the stop cap 1311. The power compartment section 130 also includes a piston ring 1381, a limit ring 1382, a wear ring 1383, a filter 1384 and a differential pressure sensor 1391. The piston ring 1381 is sleeved on the top of the drive shaft 136. The limit ring 1382 is installed in the power compartment housing 131 to limit the up and down movement of the drive shaft 136. The wear ring 1383 is sleeved on the bottom end of the clutch drive housing 137 to reduce the degree of wear of the clutch drive housing 137 by the power compartment housing 131. The filter 1384 is provided at the connection between the first oil delivery path 13111 and the oil pump chamber 1313 to filter the hydraulic oil. The differential pressure sensor 1391 is installed at the top of the isolation ring 135 to detect the oil pressure difference.

[0067] Specifically, in the example, referring to Figure 6, the power chamber section 130 also includes a pulse receiving module 1392. The pulse receiving module 1392 is installed on the power chamber housing 131 and is electrically connected to the battery 113 and the servo hydraulic pump 133 respectively. When the sliding full-rotation indexing tool reaches the specified position in the drilling, an instruction is sent from the well to the sliding full-rotation indexing tool. The communication method adopted is wireless remote pressure wave control, that is, the tool is interacted with by applying a pressure wave pulse of a specific frequency to the liquid in the well at the wellhead. The pulse receiving module 1392 is powered by the battery 113. The pulse receiving module 1392 can supply power to the servo hydraulic pump 133 and can control whether the servo hydraulic pump is working. When the pulse receiving module 1392 receives a pulse signal of a specified frequency, it controls the servo hydraulic pump 133 to work so that the output shaft rotates a certain angle in a single unidirectional manner or rotates more than 360° in a single direction. After going down the well, full automatic control can be achieved, and the working model can be adjusted by applying pressure pulses. A freeze / fault restart function is also provided. The working modes are fixed angle rotation mode and full rotation mode.

[0068] Preferably, sealing joints 1121 are respectively provided at the top and bottom ends of the battery compartment inner core 112 to improve the sealing of the connection and prevent liquid leakage.

[0069] Preferably, the outer wall of the battery is rotatably connected to the inner wall of the battery compartment, so as to ensure that the battery is not affected by the rotation of the battery compartment housing 111 when the buckle is screwed.

[0070] Preferably, the first unidirectional rotation limiter 144 and the second unidirectional rotation limiter 145 are ratchets, one-way bearings or escapement mechanisms.

[0071] Preferably, a rotation limiting key is provided between the driving shaft 136 and the power chamber housing 131 to limit the relative rotation between the driving shaft 136 and the power chamber housing 131 .

[0072] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0073] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0074] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0075] In the present invention, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0076] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A sliding full-rotation indexing tool, characterized in that: It includes a battery compartment section, an electronic compartment section, a power compartment section and an output compartment section which are sequentially connected from top to bottom; The power compartment section comprises: The power compartment housing has a first oil delivery passage and a second oil delivery passage formed inside the side wall; The power chamber inner core is arranged in the upper part of the power chamber outer shell, the middle part is hollow to form a liquid flow channel, and an oil pump cavity and a rod output cavity are formed between the power chamber inner core and the power chamber outer shell; the oil pump cavity is connected with the first oil delivery path; A servo hydraulic pump is installed in the oil pump cavity; An electromagnetic switching valve is installed in the oil pump chamber and can be communicated with the output rod chamber / the second oil delivery passage; The drive shaft is inserted into the lower part of the power chamber housing, the middle part of which is hollow to form the liquid flow channel, and a return rod cavity is formed between the drive shaft and the power chamber housing; the return rod cavity is connected to the second oil delivery path; An isolation ring is sleeved on the inner core of the power compartment to isolate the oil pump cavity and the rod output cavity; A clutch drive housing is sleeved outside the drive shaft, and the inner wall of the clutch drive housing is threadedly connected to the outer wall of the drive shaft; The output bin section comprises: An output bin housing, the top end of which is detachably connected to the bottom end of the power bin housing; The output shaft has a middle portion passing through the interior of the output bin housing, an upper portion passing through the interior of the power bin housing, and a hollow middle portion forming the liquid flow channel; A clutch is sleeved on the upper part of the output shaft, and the top end surface is in contact with the bottom end surface of the clutch drive housing; A first one-way rotation limiter is sleeved on the top of the output shaft; A second one-way rotation limiter is sleeved on the lower part of the output shaft; When the electromagnetic switching valve is connected to the output rod chamber, the servo hydraulic pump drives the hydraulic oil from the oil pump chamber to flow into the output rod chamber, and the hydraulic oil in the return rod chamber flows into the oil pump chamber through the second oil delivery path, so as to push the drive shaft and the clutch drive housing to move downward; the clutch drive housing presses down the clutch to release the anchoring of the output shaft; the drive shaft starts to rotate, and drives the output shaft to rotate in one direction through the first one-way rotation limiter; When the electromagnetic switching valve is connected to the second oil delivery circuit, the servo hydraulic pump drives the hydraulic oil from the oil pump chamber into the return rod chamber to push the drive shaft and the clutch drive housing to move upward; the clutch drive housing disengages from the clutch to brake the output shaft; at this time, the second one-way rotation limiter locks the output shaft, and the first one-way rotation limiter is unlocked to prevent the output shaft from reversing.

2. The sliding full-rotation indexing tool according to claim 1, characterized in that: The output bin section also includes: A first thrust bearing is connected to the top of the output bin housing and the upper part of the output shaft respectively; The second thrust bearing is respectively connected to the bottom end of the output bin housing and the lower part of the output shaft.

3. The sliding full-rotation indexing tool according to claim 1, characterized in that: A blocking cap is disposed at the top of the power compartment housing; the blocking cap is detachably connected to the bottom of the electronic compartment section; the first oil delivery path is formed inside the side wall of the blocking cap; The power compartment section also includes: A limit ring is installed in the power compartment housing to limit the up and down movement of the drive shaft; The wear-resistant ring is sleeved on the bottom end of the clutch driving housing.

4. The sliding full-rotation indexing tool according to claim 3, characterized in that: The power compartment section also includes: A filter screen is arranged at the connection point between the first oil delivery passage and the oil pump chamber; The differential pressure sensor is installed on the top of the isolation ring.

5. The sliding full-rotation indexing tool according to claim 3, characterized in that: The power compartment section also includes: The pulse receiving module is installed on the power compartment housing and connected to the servo hydraulic pump.

6. The sliding full-rotation indexing tool according to any one of claims 1 to 5, characterized in that: The electronic warehouse section comprises: The bottom end of the electronic compartment housing is detachably connected to the top end of the power compartment housing, and an oil filling passage is formed inside the side wall; The electronic compartment inner core is arranged inside the electronic compartment outer shell, the bottom end is connected to the top end of the power compartment inner core, the middle part is hollow to form the liquid flow channel, and an oil storage cavity and an electronic accommodating cavity are formed between the electronic compartment outer shell; the oil storage cavity is connected to the oil filling oil path; A welding plug is installed at one end of the oil filling passage away from the oil storage chamber; An electronic component is installed in the electronic accommodating cavity; The first electrical connector is installed at the top of the electronic compartment housing and connected to the electronic component.

7. The sliding full-rotation indexing tool according to claim 6, characterized in that: The battery compartment section comprises: A battery compartment housing, the bottom end of which is detachably connected to the top end of the electronic compartment housing; The battery compartment inner core is arranged inside the electronic compartment outer shell, the middle part of which is hollow to form the liquid flow channel, and a battery accommodating cavity is formed between the battery compartment outer shell and the battery compartment inner core; A battery, installed in the battery accommodating cavity; The second electrical connector is installed at the top of the battery compartment housing and connected to the battery.

8. The sliding full-rotation indexing tool according to claim 7, characterized in that: The top and bottom ends of the battery compartment inner core are respectively provided with sealing joints.

9. The sliding full-rotation indexing tool according to claim 7, characterized in that: The outer wall of the battery is rotatably connected to the inner wall of the battery compartment shell.

10. The sliding full-rotation indexing tool according to any one of claims 1 to 5, characterized in that: The first one-way rotation limiter and the second one-way rotation limiter are ratchets or one-way bearings.

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