CN214741226U - Slip starting device for intelligent opening device and intelligent opening device - Google Patents
Slip starting device for intelligent opening device and intelligent opening device Download PDFInfo
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- CN214741226U CN214741226U CN202121101301.5U CN202121101301U CN214741226U CN 214741226 U CN214741226 U CN 214741226U CN 202121101301 U CN202121101301 U CN 202121101301U CN 214741226 U CN214741226 U CN 214741226U
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Abstract
The utility model relates to a construction field in the oil well, concretely relates to slips starting drive for intelligent opening device, include: the device comprises a device main body, a control device and a control device, wherein one end of the device main body is a downhole rear end, and the other end of the device main body is a downhole front end; the slips are arranged in the device main body, one end of each slip is rotatably connected with one end of the device main body, and the other end of each slip is far away from one end of the device main body; and the output end of the slip driving device is used for being abutted against the slips, and driving the other ends of the slips to extend out of the surface of the device main body and keep the extending state. In the process of descending the intelligent opening device into the well, when a barrier on the inner wall of the shaft appears, the slips are locked by the interlocking mechanism and cannot turn outwards, so that the intelligent opening device smoothly passes through the barrier; even if the interlocking mechanism breaks down and is damaged, the other end of the slip can be extruded in the radial direction to be properly contracted to avoid the barrier and further move forward continuously, and the phenomenon of blocking cannot be caused.
Description
Technical Field
The utility model relates to a construction field in the oil well, concretely relates to slips starting drive and intelligent opening device for intelligent opening device.
Background
In the downhole tool of the packer + sliding sleeve horizontal well staged fracturing technology, the sliding sleeve is one of core components, and the opening mode of the sliding sleeve has great influence on the structure of a shaft and ground equipment, and the time and cost of fracturing construction.
The fracturing sliding sleeve is opened in various ways, a common method is that a ball is thrown from a well mouth, and after the ball falls to the sliding sleeve position, the ball is pressurized to an oil pipe, and the fracturing ball is pushed by hydraulic pressure to open the sliding sleeve. The process of bowling is simple, opens reliably, but the sliding sleeve latus rectum on the fracturing string reduces along the direction of root end to toe end gradually, and when big discharge capacity fracturing construction, the sliding sleeve of toe end can produce apparent throttling action to fracturing fluid for ground fracturing equipment operating mode worsens, so the progression of staged fracturing will receive the restriction.
In order to overcome this problem, sliding sleeves have been developed, in which a flexible ball seat is provided, the ball seat is often made into a split type or an open type, the diameter of the split ball seat is larger than that of the fracturing ball, the flexible ball seat is compressed into a complete ball seat by means of fluid force, and the sliding sleeve is opened. The disadvantage of this tool is that the structure is complex and the hydraulic feedback line is exposed to the wellbore and is vulnerable to damage.
Along with the development of technology, neotype automatically controlled sliding sleeve has appeared, and wherein the main functional unit of this kind of sliding sleeve is electronic controller and electric actuator, will realize opening of sliding sleeve, must promote the removal of sliding sleeve with electric actuator, and what have been existing is that slips or jack catch in the electric actuator pop out from electric actuator, and slips after popping out meets wellbore inner wall barrier and causes the slips card to die easily, and then influences opening of sliding sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reliability that slips starting drive and intelligent opening device for intelligent opening device is provided to improve electric actuator's slips and expand is provided.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a slip activation device for a smart opening device, comprising:
the device comprises a device main body, a control device and a control device, wherein one end of the device main body is a downhole rear end, and the other end of the device main body is a downhole front end;
the slips are arranged in the device main body, one end of each slip is rotatably connected with one end of the device main body, and the other end of each slip is far away from one end of the device main body;
the slip driving device is located in the device main body, an output end of the slip driving device is used for being abutted to the multiple slips, and the other ends of the multiple slips are driven to extend out of the surface of the device main body and keep in an extending state.
The utility model discloses a theory of operation and beneficial effect are: because one end of the slip is rotationally connected with the other end of the device main body, the other end of the device main body is a downhole front end, namely a downhole direction, in the downhole process of the downhole device, the flow direction of well fluid relative to the downhole device flows from the other end of the device main body to one end of the device main body, under the action of the slip driving device, the other ends of a plurality of slips extend out of the surface of the device main body, at the moment, the part of the slip positioned on the surface of the device main body is integrally in a conical shape, the large end of the conical surface is positioned at the other end far away from the device main body, namely, the flow direction of the well fluid at the slip flows from the small inner diameter section of the slip to the large inner diameter section, the well fluid can not exert the expansion force on the slip, the further expansion of the slip can not be promoted, when the obstacle on the inner wall of the shaft occurs, the other end of the slip can be squeezed in the radial direction to appropriately shrink and avoid the obstacle and then continue to advance, the phenomenon of locking can not be caused.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the slip driving device comprises a center rod and an extensible elastic component;
one end of the tensile elastic component is connected with one end of the device body, and the other end of the tensile elastic component is connected with one end of the central rod;
the center rod is arranged in the device body in a sliding mode, the other end of the center rod is the output end of the slip driving device and is connected with the other end of the device body through a driving starting device, and the tensile elastic component drives the center rod to move towards one end of the device body and drives the other ends of the slips to extend out of the surface of the device body and keep the slip extending state.
The beneficial effect of adopting the further scheme is that: by arranging the central rod and the tensile elastic component, after the driving starting device is started, the other end of the central rod is separated from the other end of the device main body, and the tensile elastic component drives the central rod to move towards one end of the device main body and drives the other ends of the slips to extend out of the surface of the device main body and keep the extended state, so that the slips are ensured to be opened smoothly.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
The slip driving device comprises a central rod and a tensile elastic component;
one end of the tensile elastic component is connected with the other end of the device main body, and the other end of the tensile elastic component is connected with the other end of the central rod;
the central rod is arranged in the device body in a sliding mode, one end of the central rod is the output end of the slip driving device and is connected with one end of the device body through the driving starting device, and the tensile elastic component drives the central rod to move towards the other end of the device body and drives the other ends of the slips to extend out of the surface of the device body and keep the slip extending state.
The beneficial effect of adopting the further scheme is that: by arranging the central rod and the tensile elastic component, after the driving starting device is started, one end of the central rod is separated from one end of the device main body, and the tensile elastic component drives the central rod to move towards the other end of the device main body and drives the other ends of the slips to extend out of the surface of the device main body and keep the extended state, so that the slips are ensured to be opened smoothly.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the end of the center rod far away from the tensile elastic component is provided with a limiting table for keeping the slip in an extending state.
The beneficial effect of adopting the further scheme is that: through setting up and keeping the slips is in the spacing platform of the state of stretching out, after drive starting drive, when slips and spacing platform butt and make it be in the state of stretching out, avoid the slips to retract back, improved slips opening device's reliability.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, one end of the device main body is provided with a first opening, the first opening is provided with a stop block, and the stop block is connected with one end of the tensile elastic component; the other end of the device main body is provided with a second opening through which the center rod penetrates, and a fixing block for driving the starting device is arranged at the second opening.
The beneficial effect of adopting the further scheme is that: by providing a first opening and a second opening, the installation of the central rod and the stretch resilient member is facilitated.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a first opening is formed in the other end of the device main body, a stop block is arranged at the first opening, and the stop block is connected with one end of the tensile elastic component; one end of the device main body is provided with a second opening through which the central rod penetrates, and a fixing block for driving the starting device is arranged at the second opening.
The beneficial effect of adopting the further scheme is that: by providing a first opening and a second opening, the installation of the central rod and the stretch resilient member is facilitated.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a torsion elastic component for driving the other end of the slip to extend out of the surface of the device main body is arranged at the joint of the slip and the device main body.
The beneficial effect of adopting the further scheme is that: through setting up torsion elastic component, expand to stretch out for the slips and provide the auxiliary force, the slips of being convenient for expands and stretches out.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, an interlocking structure for limiting the slips to be unfolded in advance is arranged between the slips and the center rod.
The beneficial effect of adopting the further scheme is that: by providing an interlocking structure, the slips are prevented from being deployed and extended prematurely.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, one end of the device main body is provided with a limiting structure for limiting the rotation amplitude of the slips.
The beneficial effect of adopting the further scheme is that: limiting structure avoids the slips excessively rotates.
The utility model also provides an intelligence opening device, include:
the intelligent opening device comprises an opening device rear section, an opening device front section and the slip starting device for the intelligent opening device;
the rear section of the opening device is connected with one end of the device main body, and the front section of the opening device is connected with the other end of the device main body;
and a driving control device for starting the slip driving device is arranged in the front section of the opening device, and the driving control device is connected with the tile driving device.
The utility model discloses intelligence opening device's theory of operation and beneficial effect are: because the intelligent opening device is provided with the slip starting device, one end of a slip in the slip starting device is rotatably connected with the other end of the device main body, the other end of the device main body is the front end of a well, namely the direction of the well, during the process of the well descending device, the flowing direction of well fluid relative to the well descending device flows from the other end of the device main body to one end of the device main body, under the action of the slip driving device, the other ends of a plurality of slips extend out of the surface of the device main body, at the moment, the part of the slip positioned on the surface of the device main body is integrally in a conical shape, the large end of the conical surface is positioned at the other end far away from the device main body, namely, the flowing direction of the well fluid at the slip is from the section with the smaller inner diameter of the slip to the section with the larger inner diameter, the well fluid can not exert the expansion force on the slip, and can not promote the further expansion of the slip, when the barrier of the inner wall of the shaft appears, the other end of the slip can be properly contracted by being extruded in the radial direction to avoid the barrier and further continue to move forward, so that the phenomenon of blocking cannot be caused, and the reliability of opening the underground sliding sleeve of the intelligent opening device is improved.
Drawings
FIG. 1 is a directional view of a first embodiment of a slip activation apparatus of the present invention;
FIG. 2 is a sectional view in one direction of FIG. 1;
FIG. 3 is a sectional view in one direction of a first state of the embodiment;
FIG. 4 is a sectional view in one direction of a second state of the embodiment;
FIG. 5 is a view showing one direction of a second state of the embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a device main body, 2, slips, 21, a torsion elastic component, 31, a center rod, 32, a tensile elastic component, 33, a driving starting device, 34, a stop block, 35, a driving starting device fixing block, 311, a limiting table, 4, an opening device rear section, 5, an opening device front section, 51 and a driving control device.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model discloses a schematic structure view for slips starting drive's of intelligence opening device embodiment one refers to fig. 1 to fig. 5.
A slip activation device for a smart opening device, comprising:
the device comprises a device body 1, wherein one end of the device body 1 is a downhole rear end, and the other end of the device body 1 is a downhole front end.
4 slips 2, 4 slips 2 set up in device main part 1, and the one end of slips 2 and the one end of device main part 1 are rotated and are connected, and the one end of device main part 1 is kept away from to the other end of slips 2.
The slips drive arrangement, slips drive arrangement are located device main part 1, and slips drive arrangement's output is used for with 4 slips 2 butt, and the other end of 4 slips 2 of drive stretches out the surface of device main part 1 and keeps stretching out the state.
In this embodiment, the slip drive mechanism includes a center rod 31 and an extensible resilient member 32.
One end of the tensile elastic member 32 is connected to one end of the device body 1, and the other end of the tensile elastic member 32 is connected to one end of the center rod 31.
The center rod 31 is slidably disposed in the device body 1, the other end of the center rod 31 is connected to the other end of the device body 1 through the driving start device 33, and the tensile elastic member 32 drives the center rod 31 to move toward one end of the device body 1 and drives the other ends of the plurality of slips 2 to extend out of the surface of the device body 1 and keep the extended state.
Specifically, a slip groove for accommodating the slip 2 is provided in the apparatus main body 1, the slip groove is provided in the axial direction of the apparatus main body 1, one end of the slip 2 is rotatably connected to the other end (i.e., the right end in the drawing) of the apparatus main body 1 via a rotating shaft, and the other end of the slip 2 does not protrude from the surface of the apparatus main body 1 when not driven. The connection mode of the rotating shaft can be that a through hole is arranged on the device main body 1 for installing the rotating shaft.
The embodiment of the utility model discloses a theory of operation and beneficial effect are: because one end of the slips 2 is rotatably connected with the other end of the device body 1, the other end of the device body 1 is the front end of the well, namely the direction of the well, during the process of the well device, the flowing direction of well fluid relative to the well device is from the other end of the device body 1 to one end of the device body 1 (namely, the right end of the figure flows to the left end of the figure), under the action of the slip driving device, the other ends of a plurality of slips 2 extend out of the surface of the device body 1, at the moment, the part of the slips 2 on the surface of the device body 1 is integrally in a conical shape, the large end of the conical surface is positioned away from the other end of the device body 1 (namely, the large end of the conical surface is positioned at the left end of the figure), namely, the flowing direction of the well fluid at the slips 2 is from the small inner diameter section to the large inner diameter section of the slips 2, the well fluid can not exert the spreading force on the slips 2, and can not promote the further spreading of the slips 2, when a barrier on the inner wall of the shaft appears, the other end of the slip 2 is extruded in the radial direction to be properly contracted to avoid the barrier and further move forward continuously, and the phenomenon of blocking cannot be caused.
By arranging the center rod 31 and the tensile elastic component 32, after the driving starting device 33 is started, the other end of the center rod 31 is separated from the other end of the device main body 1, and the tensile elastic component 32 drives the center rod 31 to move towards one end of the device main body 1 and drives the other ends of the slips 2 to extend out of the surface of the device main body 1 and keep in an extending state, so that the slips 2 are ensured to be opened smoothly.
In this embodiment, the center rod 31 has a stop 311 at the end remote from the tensile spring member 32 to hold the slip 2 in an extended condition. Specifically, the tensile elastic member 32 in this embodiment is a tension spring.
Through setting up the spacing platform 311 that keeps slips 2 in the state of stretching out, after drive starting drive 33 starts, when slips 2 and spacing platform 311 butt and make it be in the state of stretching out, avoid slips 2 to retract, improved slips 2 opening device's reliability. As shown in fig. 3, after the driving and actuating device 33 is actuated (that is, the driving and actuating device 33 is actuated to disconnect the connection between the other end of the center rod 31 and the other end of the device body 1), the tension spring at the left end in the figure pulls the center rod 31 to move toward one end of the device body 1 (that is, the left end in the figure), and since the left end of the center rod 31 is provided with the stopper table 311 supporting one end of the slips 2, immediately after the driving and actuating device 33 is disconnected, the slips 2 do not spread out the surface of the extension device body 1, and when the center pipe moves to the stopper table 311 in the center rod 31 and abuts one end of the slips 2, the stopper table 311 pushes the slips 2 to spread out the surface of the extension device body 1. When the elastic force of the tension spring disappears, the center rod 31 does not move leftwards any more, and at this time, the limiting table 311 of the center rod 31 is located below and abutted against one end of the slip 2, so that the slip 2 is always in a state of being unfolded and extending out of the surface of the device main body 1 (as shown in fig. 4).
In this embodiment, the driving and starting device is a pull wire, the other end of the device body 1 is connected to a second opening for the central rod 31 to pass through, the end of the second opening is provided with a slot for placing a fixing block 35 of the driving and starting device, one end of the device body 1 is provided with a first opening with a smaller caliber, the first opening is provided with a stopper 34, and the stopper 34 is connected to one end of the tensile elastic member 32. During assembly, the other end of the center rod 31 is connected to the driving and starting device 33 in advance, a pull wire (the driving and starting device 33) is left with enough margin, one end of the center rod 31 is then connected to the other end of the tensile elastic member 32 in advance, a section of rope is tied on one end of the tensile elastic member 32, one end of the center rod 31 is inserted into the second opening end of the device body 1, the rope on the tensile elastic member 32 is extended out of the first opening end of the device body 1, the rope of the tensile elastic member 32 is clamped by pliers, a hook is arranged at one end of the tensile elastic member 32, the rope is taken down and hung in a groove of the stopper 34, the stopper 34 is released to block the first opening, and the stopper 34 is tightly attached to a tapered step at one end of the device body 1 under the action of the tensile elastic member 32. And then, the pull wire on the central rod 31 passes through a small hole of the driving starting device fixing block 35 to pull the central rod 31, so that the central rod 31 is in a proper position and then is locked on the driving starting device fixing block 35 by using a lock catch.
In this embodiment, a limiting step is arranged in the central through hole of the device main body 1 at a short distance from the first opening, a corresponding limiting step is also arranged on the central rod 31 in a matching manner, after the driving starting device 33 is started and disconnected, the central rod 31 moves towards one end of the device main body 1, so that the limiting step on the central rod 31 is abutted against the limiting step on the device main body 1, at this time, the limiting table 311 in the central rod 31 is abutted against one end of the slip 2, the slip 2 is completely unfolded and extended out, the central rod 31 does not move towards one end of the device main body 1, and the slip 2 is ensured not to retract.
In this embodiment, the joint of the slips 2 and the apparatus body 1 is provided with a torsional elastic member 21 for driving the other end of the slips 2 to protrude from the surface of the apparatus body 1. Specifically, the torsion elastic member 21 in the present embodiment is a torsion spring. By arranging the torsion elastic component 21, auxiliary force is provided for the expansion and the extension of the slips 2, and the expansion and the extension of the slips 2 are facilitated. In this embodiment, an interlock structure is provided between the slips 2 and the central rod 31 to limit premature deployment of the slips 2. As shown in fig. 2, an interlocking structure of hooks which are locked with each other in a snap-fit manner is provided at the lower end of the slip 2 and the left end of the center rod 31, and by providing such an interlocking structure, the slip 2 is not spread and extended out of the surface of the apparatus body 1 until the driving actuator 33 is not actuated to be disconnected, and the interlocking structure is always in a locked state. When the actuating actuator 33 is actuated to open, the mandrel 31 is shown moving to the left and the hooks of the interlock structure disengage from each other, allowing the slips 2 to be released from the restraint of the mandrel 31 (as shown in figure 3).
In this embodiment, one end of the device body 1 is provided with a limit structure for limiting the rotation range of the slips 2. As shown in fig. 4, the limiting structure is located on the device body 1 and below the rotating shaft of the slip 2, so as to ensure that the slip 2 does not rotate excessively.
In a specific embodiment, the positions where the center rod 31 and the stretch resilient member 32 are provided inside the device body 1 may be reversed from the structure of the first embodiment, that is, the following structure.
One end of the tensile elastic member 32 is connected to the other end of the device body 1, and the other end of the tensile elastic member 32 is connected to the other end of the center rod 31.
The center rod 31 is slidably disposed in the device body 1, one end of the center rod 31 is connected to one end of the device body 1 through the driving start device 33, and the tensile elastic member 32 drives the center rod 31 to move toward the other end of the device body 1 and drives the other ends of the plurality of slips 2 to extend out of the surface of the device body 1 and maintain the extended state.
Similarly, the other end of the device body 1 is provided with a first opening, the first opening is provided with a stop block, and the stop block 34 is connected with one end of the tensile elastic component 32; one end of the device main body 1 is provided with a second opening for the central rod 31 to pass through, and the second opening is provided with a driving starting device fixing block 35.
The working principle of the structure is the same as that of the scheme of the first embodiment, and the description is omitted here.
The embodiment of the utility model provides a still provide an intelligence opening device, include:
the opening device comprises an opening device rear section 4, an opening device front section 5 and the slip starting device for the intelligent opening device.
The rear opening device section 4 is connected to one end of the device body 1, and the front opening device section 5 is connected to the other end of the device body 1.
The opening device front section 5 is internally provided with a driving control device 51 for starting the slip driving device, and the driving control device 51 is connected with the tile driving device.
Because the slip starting device is arranged in the intelligent opening device, one end of a slip 2 in the slip starting device is rotatably connected with the other end of the device main body 1, the other end of the device main body 1 is the front end of a well, namely the direction of the well, in the process of the well device, the flowing direction of well fluid relative to the well device is from the other end of the device main body 1 to one end of the device main body 1, under the action of the slip driving device, the other ends of a plurality of slips 2 extend out of the surface of the device main body 1, at the moment, the whole part of the slip 2 positioned on the surface of the device main body 1 is in a conical shape, the large end of the conical surface is positioned at the other end far away from the device main body 1, namely, the flowing direction of the well fluid at the slip 2 is from the section with the smaller inner diameter of the slip 2 to the section with the larger inner diameter, the well fluid can not exert the expansion force on the slip 2, and can not promote the further expansion of the slip 2, when the shaft inner wall barrier appears, the other end of the slip 2 can be extruded in the radial direction to appropriately shrink to avoid the barrier and further continue to move forward, so that the phenomenon of blocking cannot be caused, and the reliability of opening the underground sliding sleeve of the intelligent opening device is improved.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A slip activation device for an intelligent opening device, comprising:
the device comprises a device main body, a control device and a control device, wherein one end of the device main body is a downhole rear end, and the other end of the device main body is a downhole front end;
the slips are arranged in the device main body, one end of each slip is rotatably connected with one end of the device main body, and the other end of each slip is far away from one end of the device main body;
the slip driving device is located in the device main body, an output end of the slip driving device is used for being abutted to the multiple slips, and the other ends of the multiple slips are driven to extend out of the surface of the device main body and keep in an extending state.
2. The slip activation apparatus for a smart opening device of claim 1, wherein the slip driving device comprises a center rod and an extensible resilient member;
one end of the tensile elastic component is connected with one end of the device body, and the other end of the tensile elastic component is connected with one end of the central rod;
the center rod is arranged in the device body in a sliding mode, the other end of the center rod is the output end of the slip driving device and is connected with the other end of the device body through a driving starting device, and the tensile elastic component drives the center rod to move towards one end of the device body and drives the other ends of the slips to extend out of the surface of the device body and keep the slip extending state.
3. The slip activation apparatus for a smart opening device of claim 1, wherein the slip driving device comprises a center rod and an extensible resilient member;
one end of the tensile elastic component is connected with the other end of the device main body, and the other end of the tensile elastic component is connected with the other end of the central rod;
the central rod is arranged in the device body in a sliding mode, one end of the central rod is the output end of the slip driving device and is connected with one end of the device body through the driving starting device, and the tensile elastic component drives the central rod to move towards the other end of the device body and drives the other ends of the slips to extend out of the surface of the device body and keep the slip extending state.
4. The slip activation apparatus for an intelligent opening device according to claim 2 or 3,
the end of the central rod far away from the tensile elastic component is provided with a limiting table for keeping the slip in an extending state.
5. The slip activation apparatus for an intelligent opening device according to claim 2, wherein a first opening is formed at one end of the apparatus body, a stopper is disposed at the first opening, and the stopper is connected to one end of the tensile elastic member; the other end of the device main body is provided with a second opening through which the center rod penetrates, and a fixing block for driving the starting device is arranged at the second opening.
6. The slip activation device for an intelligent opening device according to claim 3, wherein a first opening is formed at the other end of the device body, a stopper is arranged at the first opening, and the stopper is connected with one end of the tensile elastic component; one end of the device main body is provided with a second opening through which the central rod penetrates, and a fixing block for driving the starting device is arranged at the second opening.
7. The slip activation device for an intelligent opening device according to claim 2 or 3, wherein a torsional elastic component for driving the other end of the slip to extend out of the surface of the device body is arranged at the joint of the slip and the device body.
8. The slip activation apparatus for an intelligent opening device according to claim 2 or 3, wherein an interlock structure for limiting the early expansion of the slip is provided between the slip and the center rod.
9. The slip activation apparatus for an intelligent opening device according to any one of claims 1 to 3, wherein one end of the apparatus body is provided with a limiting structure for limiting the rotation amplitude of the slips.
10. An intelligent opening device, comprising:
the rear section of the opening device, the front section of the opening device and the slip starting device for the intelligent opening device as claimed in any one of claims 1 to 9;
the rear section of the opening device is connected with one end of the device main body, and the front section of the opening device is connected with the other end of the device main body;
and a driving control device for starting the slip driving device is arranged in the front section of the opening device, and the driving control device is connected with the tile driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101301.5U CN214741226U (en) | 2021-05-21 | 2021-05-21 | Slip starting device for intelligent opening device and intelligent opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101301.5U CN214741226U (en) | 2021-05-21 | 2021-05-21 | Slip starting device for intelligent opening device and intelligent opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214741226U true CN214741226U (en) | 2021-11-16 |
Family
ID=78624686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121101301.5U Active CN214741226U (en) | 2021-05-21 | 2021-05-21 | Slip starting device for intelligent opening device and intelligent opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214741226U (en) |
-
2021
- 2021-05-21 CN CN202121101301.5U patent/CN214741226U/en active Active
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