CN213970880U - Sleeve installation device - Google Patents
Sleeve installation device Download PDFInfo
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- CN213970880U CN213970880U CN202022998292.6U CN202022998292U CN213970880U CN 213970880 U CN213970880 U CN 213970880U CN 202022998292 U CN202022998292 U CN 202022998292U CN 213970880 U CN213970880 U CN 213970880U
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Abstract
The utility model discloses a sleeve pipe installation device, include: the sleeve clamping component is used for clamping the sleeve; the first power rotating assembly is used for driving the sleeve clamping assembly to rotate around the vertical shaft; the horizontal moving component is used for driving the sleeve clamping component to move along the horizontal direction; the second power rotating assembly is used for driving the sleeve clamping assembly to rotate around the axis of the second power rotating assembly; the third power rotating assembly is used for driving the sleeve clamping assembly to rotate along the vertical direction; the horizontal moving assembly is arranged between the first power rotating assembly and the second power rotating assembly, and the second power rotating assembly is fixedly connected with the sleeve clamping assembly; and the control device is respectively connected with the first power rotating assembly, the horizontal moving assembly, the second power rotating assembly and the third power rotating assembly so as to control the sleeve clamping assembly to move to a preset position for sleeve installation. Which enables automatic control of the four axes to mount the cannula in a preset position. The device is simple to operate and high in reliability.
Description
Technical Field
The utility model relates to a metallurgical auxiliary assembly technical field, more specifically say, relate to a sleeve pipe installation device.
Background
The sleeve is an important component in the continuous casting steel casting process, and the steel can be protected and cast by filling the sleeve on the steel, so that the oxidation ratio of the molten steel and the temperature loss of the molten steel are effectively reduced, and the tapping quality is improved. At present, most steel mills at home and abroad use a pure hydraulic operating arm or a pure mechanical operating arm to complete the installation of a sleeve, workers need to participate in the whole process on site in the installation process, the labor intensity is high, the area is a molten steel area, high-temperature and high-dust molten steel splashes at times, the working environment of the workers is severe, and the safety risk is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a first aim at provides a sleeve pipe installation device to can realize sleeve pipe installation's automation, reduce workman intensity of labour, reduce the operation risk.
In order to achieve the first object, the present invention provides the following technical solutions:
a casing mounting device comprising:
the sleeve clamping component is used for clamping the sleeve;
the first power rotating assembly is used for driving the sleeve clamping assembly to rotate around a vertical shaft;
the horizontal moving component is used for driving the sleeve clamping component to move along the horizontal direction;
the second power rotating assembly is used for driving the sleeve clamping assembly to rotate around the axis of the sleeve clamping assembly;
the third power rotating assembly is used for driving the sleeve clamping assembly to rotate along the vertical direction;
the horizontal moving assembly is arranged between the first power rotating assembly and the second power rotating assembly, and the second power rotating assembly is fixedly connected with the sleeve clamping assembly;
and the control device is respectively connected with the first power rotating assembly, the horizontal moving assembly, the second power rotating assembly and the third power rotating assembly so as to control the sleeve clamping assembly to move to a preset position for sleeve installation.
Preferably, the casing gripping assembly comprises:
the sleeve pipe centre gripping arm rather than the sleeve pipe grip slipper that sets firmly, be equipped with two coaxial horizontal location pins that set up relatively on the sleeve pipe grip slipper and with whole the sleeve pipe grip ring that the horizontal location pin rotates to be connected, work as the third power gyration subassembly drives when the sleeve pipe centre gripping subassembly rotates along vertical direction, the sleeve pipe grip ring drives the sleeve pipe and winds the horizontal location pin rotates and makes the sleeve pipe be in vertical state.
Preferably, the first power swivel assembly comprises:
the fixed base, locate last first power piece of fixed base and with the first transmission piece that the output of first power piece is connected, first transmission piece include with the driving gear that the output of first power piece is connected and with driven gear of driving gear meshing.
Preferably, the horizontal moving assembly includes:
the movable sliding table fixing base is fixedly connected with the driven gear;
the second power rotary assembly is arranged on the rotary supporting seat;
locate remove the horizontal migration power spare on the slip table unable adjustment base and with the horizontal migration driving medium that horizontal migration power spare linked firmly, the horizontal migration driving medium with the gyration supporting seat links firmly in order to drive the gyration supporting seat for remove the slip table unable adjustment base and slide.
Preferably, the horizontal moving assembly further comprises:
locate remove slip table unable adjustment base with the guide between the gyration supporting seat, the guide is slide rail slider mechanism.
Preferably, the horizontal moving assembly further comprises:
locate on the removal slip table unable adjustment base, be used for right the biggest slide position of gyration supporting seat carries out the position detecting element that detects, controlling means with position detecting element connects, in order to according to the detected signal control of position detecting element the action of horizontal migration power spare.
Preferably, the second power swivel assembly comprises:
the sleeve pipe clamping device comprises a second power part, a second transmission part and a rotating arm body which are sequentially and fixedly connected, wherein the other end of the rotating arm body is fixedly connected with the sleeve pipe clamping component in a detachable mode, and the second power part is driven by the rotating arm body to rotate around the axis of the sleeve pipe clamping component.
Preferably, the rotary support seat is respectively provided with a swing seat for supporting the second power rotary component and a support rod for fixing the swing seat;
and two ends of the third power rotation assembly are respectively hinged with the rotation supporting seat and the bottom of the swinging seat so as to drive the swinging seat and the second power rotation assembly thereon to rotate around the supporting rod along the vertical direction.
Preferably, a bearing is arranged between the swinging seat and the second power rotating assembly.
Preferably, the remote control device is used for remote control, and the remote control device is in wireless communication connection with the control device.
The utility model provides a pair of sleeve pipe installation device, include: the sleeve clamping component is used for clamping the sleeve; the first power rotating assembly is used for driving the sleeve clamping assembly to rotate around the vertical shaft; the horizontal moving component is used for driving the sleeve clamping component to move along the horizontal direction; the second power rotating assembly is used for driving the sleeve clamping assembly to rotate around the axis of the second power rotating assembly; the third power rotating assembly is used for driving the sleeve clamping assembly to rotate along the vertical direction; the horizontal moving assembly is arranged between the first power rotating assembly and the second power rotating assembly, and the second power rotating assembly is fixedly connected with the sleeve clamping assembly; and the control device is respectively connected with the first power rotating assembly, the horizontal moving assembly, the second power rotating assembly and the third power rotating assembly so as to control the sleeve clamping assembly to move to a preset position for sleeve installation.
Compared with the prior art, the utility model provides a sleeve pipe installation device has following technological effect:
the device drives sleeve pipe centre gripping subassembly through first power gyration subassembly respectively and rotates around vertical axle, the horizontal migration subassembly drives sleeve pipe centre gripping subassembly and removes along the horizontal direction, second power gyration subassembly drives sleeve pipe centre gripping subassembly and rotates around self axis and third power gyration subassembly drives sleeve pipe centre gripping subassembly and rotates along vertical direction, in order to follow vertical axle rotation to the sleeve pipe respectively, the rotation around vertical direction, the removal of horizontal direction and the rotation of self axis move, realize the automated control of four axles, in order to install the sleeve pipe to preset position. The device is simple to operate and high in reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a casing installation device according to an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of fig. 1.
The drawings are numbered as follows:
the device comprises a fixed base 1, a first power part 2, a driving gear 3, a driven gear 4, a movable sliding table fixed base 5, a guide part 6, a position detection unit 7, a rack 8, a gear 9, a horizontal movable power part 10, a rotary support seat 11, a third power rotary assembly 12, a manual operation box 13, a second power part 14, a swing seat 15, a rotary arm body 16, a sleeve clamping arm 17, a sleeve clamping ring 18 and a sleeve 19.
Detailed Description
The embodiment of the utility model discloses sleeve pipe installation device to can realize the automation of bushing installation, reduce workman intensity of labour, reduce the operation risk.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a casing installation device according to an embodiment of the present invention; fig. 2 is a partially enlarged schematic view of fig. 1.
In a specific embodiment, the present invention provides a casing installation device, comprising:
a casing gripping assembly for gripping the casing 19;
the first power rotating assembly is used for driving the sleeve clamping assembly to rotate around the vertical shaft;
the horizontal moving component is used for driving the sleeve clamping component to move along the horizontal direction;
the second power rotating assembly is used for driving the sleeve clamping assembly to rotate around the axis of the second power rotating assembly;
a third power rotating assembly 12 for driving the sleeve clamping assembly to rotate along the vertical direction;
the horizontal moving assembly is arranged between the first power rotating assembly and the second power rotating assembly, and the second power rotating assembly is fixedly connected with the sleeve clamping assembly;
and the control device is respectively connected with the first power rotating assembly, the horizontal moving assembly, the second power rotating assembly and the third power rotating assembly 12 so as to control the sleeve clamping assembly to move to a preset position to install the sleeve 19.
The sleeve clamping assembly may clamp the sleeve 19 by providing a clamping ring, the diameter of which is set according to the diameter of the sleeve 19. If the sleeve clamping assembly is arranged as a fork arm, a clamping ring which is rotationally connected with the fork arm is arranged between the two end walls of the fork arm, the sleeve 19 is supported through the clamping ring, and the sleeve 19 is arranged in a vertical state.
First power gyration subassembly drives sleeve pipe centre gripping subassembly and rotates around vertical axle, and then drives sleeve pipe 19 and rotate around vertical axle, and first power gyration subassembly is fixed with sleeve pipe centre gripping subassembly accessible screw etc. or, fixes indirectly through other structures, like the horizontal migration subassembly isotructure above. Preferably, the horizontal migration subassembly is located between first power gyration subassembly and the second power gyration subassembly, and second power gyration subassembly and sleeve pipe centre gripping subassembly fixed connection to realize that second power gyration subassembly, sleeve pipe centre gripping subassembly are along the whole translation of horizontal direction, the setting of the second power gyration subassembly of being convenient for simultaneously, the motion of each subassembly is steady, the security of improvement device.
Preferably, the second power swivel assembly is directly secured to the casing gripping assembly by a threaded fastener. The first power rotating assembly indirectly drives the sleeve clamping assembly to rotate by driving the second power rotating assembly to rotate around the vertical shaft.
In one embodiment, the casing 19 is clamped by a casing clamping assembly, and a first power swivel assembly rotates the casing 19 about a vertical axis. The first power swivel assembly is preferably a servo motor connected to a transmission member, such as a gear train, to effect power transmission. The sleeve 19 is driven to rotate by the first power swivel assembly so as to adjust the position of the sleeve 19 on the horizontal plane according to the preset position.
The horizontal migration subassembly can set up to hydro-cylinder, cylinder or pneumatic cylinder, or in an embodiment, sets up to slide rail slider mechanism, or for the combination of motor, gear 9 and rack 8 mechanism, all is the utility model discloses a protection scope.
The second power swivel assembly drives the sleeve clamping assembly to rotate around the axis of the second power swivel assembly so as to adjust the included angle between the sleeve 19 and the vertical direction. The structure of the second power rotating assembly is the same as that of the first power rotating assembly, so that the structure of the device is simplified, and meanwhile, the device is convenient to arrange. The third power swivel assembly 12 drives the sleeve clamping assembly to rotate in the vertical direction so as to adjust the pitch angle of the sleeve clamping assembly.
The control device is preferably a control device such as an operation box, a control panel or a touch screen, and the specific form of the control device is selected according to needs.
Compared with the prior art, the utility model provides a sleeve pipe installation device has following technological effect:
the device drives sleeve pipe centre gripping subassembly through first power gyration subassembly respectively and rotates around vertical axle, the horizontal migration subassembly drives sleeve pipe centre gripping subassembly and removes along the horizontal direction, second power gyration subassembly drives sleeve pipe centre gripping subassembly and rotates around self axis and third power gyration subassembly 12 drives sleeve pipe centre gripping subassembly and rotates along vertical direction, in order to rotate along vertical axle to sleeve pipe 19 respectively, the rotation around vertical direction, the removal of horizontal direction and the rotation of self axis move, realize the automated control of four axles, in order to install sleeve pipe 19 to preset the position. The device is simple to operate and high in reliability.
Specifically, the ferrule holding assembly comprises:
the sleeve clamping arm 17 and a sleeve clamping seat fixedly arranged with the sleeve clamping arm are oppositely provided with two coaxially arranged horizontal positioning pins and a sleeve clamping ring 18 rotationally connected with all the horizontal positioning pins.
The first end of sleeve pipe centre gripping arm 17 is provided with the sleeve pipe grip slipper rather than the integral type setting, and the sleeve pipe grip slipper is U type seat, sets up the mounting hole that is used for installing horizontal positioning round pin respectively on two lateral walls of U type seat, and the preferred ring that is equipped with on the circumference lateral wall of ring is used for the mounting hole fixed with horizontal positioning round pin to the sleeve pipe grip slipper 18. It can be understood that the axes of the two horizontal positioning pins pass through the center of the circular ring, so that the sleeve clamping ring 18 can rotate around the horizontal positioning pin, and therefore when the third power swivel assembly 12 drives the sleeve clamping assembly to rotate in the vertical direction, the sleeve clamping ring 18 drives the sleeve 19 to rotate around the horizontal positioning pin, so that the sleeve 19 is in a vertical state, and the sleeve 19 is convenient to install and align.
Further, the first power swivel assembly comprises:
the fixed base 1, locate first power piece 2 on the fixed base 1 and with the first transmission piece that the output of first power piece 2 is connected, first transmission piece includes driving gear 3 and the driven gear 4 with driving gear 3 meshing that is connected with the output of first power piece 2.
The stationary base 1 is disposed on the ground or other work platform to support the structures thereon, preferably the horizontal moving assembly, the second power swivel assembly and the third power swivel assembly 12 are all disposed on the stationary base 1. First power component 2 is servo motor, and driving gear 3 is connected with servo motor's output, and driven gear 4 is connected with second power gyration subassembly to realize power transmission. Preferably, a control device is provided on the stationary base 1.
In this particular embodiment, the horizontal movement assembly comprises:
a movable sliding table fixing base 5 fixedly connected with the driven gear 4;
the rotary support base 11 can slide relative to the movable sliding table fixing base 5, and the second power rotary assembly is arranged on the rotary support base 11;
locate horizontal migration power spare 110 on removing slip table unable adjustment base 5 and the horizontal migration driving medium that links firmly with horizontal migration power spare 110, the horizontal migration driving medium links firmly with gyration supporting seat 11 to drive gyration supporting seat 11 and slide for removing slip table unable adjustment base 5.
The horizontal moving power member 110 is preferably an air cylinder, an oil cylinder or a hydraulic cylinder, and a guiding mechanism is provided between the moving slide fixing seat and the rotary support seat 11 to guide the sliding of the rotary support seat 11. In such an embodiment, the horizontal movement transmission member may not be provided, and the power driving may be realized only by the horizontal movement power member 110.
Or, the horizontal movement power component 110 is set as a servo motor, the horizontal movement transmission component is a gear-rack 8 mechanism, the output end of the servo motor is connected with a gear, and the power transmission direction is changed through the engagement of the gear and the rack 8, so as to realize the movement of the second power rotary component and the sleeve clamping component in the horizontal direction.
Further, in order to guide the horizontal sliding of the rotary support base 11, the horizontal moving assembly further includes:
locate the guide 6 between removing slip table unable adjustment base 5 and gyration supporting seat 11, guide 6 is slide rail slider mechanism or slide rail pulley mechanism, and preferably, the bottom of gyration supporting seat 11 is equipped with the slider, and the top of removing slip table unable adjustment base 5 is equipped with the slide rail to guarantee that the slip of gyration supporting seat 11 is steady, improve the operation smoothness degree.
Furthermore, in order to prevent the rotary support base 11 from impacting the movable sliding table fixing base 5 when sliding to the maximum sliding position, the horizontal moving assembly further comprises:
locate on removing slip table unable adjustment base 5, be used for carrying out the position detecting element 7 that detects to the biggest sliding position of gyration supporting seat 11, position detecting element 7 can set up to micro-gap switch, distance sensor or other types of sensor, controlling means is connected with position detecting element 7, in order to control horizontal migration power piece 110 stop motion according to the detected signal control horizontal migration power piece of position detecting element 7, reduce the rocking of second power gyration subassembly and sleeve pipe 19 that collision impact caused, improve device stability.
Wherein, the second power gyration subassembly includes:
the sleeve clamping device comprises a second power part 14, a second transmission part and a rotating arm body 16 which are sequentially and fixedly connected, the other end of the rotating arm body 16 is detachably and fixedly connected with the sleeve clamping component, and the second power part 14 drives the sleeve clamping component to rotate around the axis of the second power part through the rotating arm body 16.
The rotating arm body 16 and the sleeve clamping arm are fixed through a threaded fastener, the second power part 14 is a servo motor, the second transmission part is a gear transmission mechanism, and the output end of the servo motor drives the rotating arm body 16 to rotate around the axis of the rotating arm body 16 through the gear transmission mechanism. One end of the rotating arm body 16 is fixedly connected with the second transmission member, the other end of the rotating arm body is detachably and fixedly connected with the sleeve clamping arm 17, and the second power part 14 drives the sleeve to rotate through the rotating arm body 16 and the sleeve clamping arm 17.
In order to install the third power rotation assembly 12, the rotation support base 11 is respectively provided with a swing base 15 for supporting the second power rotation assembly and a support rod for fixing the swing base 15;
two ends of the third power rotation assembly 12 are hinged to the bottom of the rotation support base 11 and the bottom of the swing base 15 respectively so as to drive the swing base 15 and the second power rotation assembly thereon to rotate around the support rod along the vertical direction.
Two ends of the third power rotation assembly 12 are hinged to the bottom of the rotation support base 11 and the bottom of the swing base 15 respectively so as to drive the swing base 15 and the second power rotation assembly thereon to rotate around the support rod along the vertical direction to adjust the pitch angle. The third power swivel assembly 12 is an oil cylinder, an air cylinder or a hydraulic cylinder, and has a simple structure and is convenient to set. A group of end walls oppositely arranged on the rotary supporting seat 11 are respectively provided with a mounting hole for mounting the supporting rod. The swing seat 15 is rotatably connected with the rotary supporting seat 11 through a supporting rod. Further, a second transmission member is also provided on the swing seat 15, one end of the boom body 16 is fitted over the swing seat 15, and a bearing is provided between the swing seat 15 and the boom body 16 to reduce frictional resistance.
On the basis of the above embodiments, the remote control device for remote control is further included, and the remote control device and the control device are in wireless communication connection. If connect through wiFi module, zigBee module, bluetooth module or other wireless communication methods, thereby in order to realize the remote control of device, need not the operation personnel manual operation simultaneously, reduce operation personnel's intensity of labour. Preferably, a hand box 13 for operating each component is provided on the swing base 15.
In the device, the rotary supporting seat 11 rotates by a certain angle through the first rotary power component, the third power rotary component 12 is controlled to act to lift the sleeve 19 to reach a preset height, and the second power component 14 is controlled to adjust the posture of the sleeve 19 so that the sleeve can pass through a certain installation space; the angle of the rotary supporting seat 11 is further adjusted by controlling the first rotary power component, the posture of the sleeve 19 is adjusted to be in a vertical state by controlling the second power component 14, the telescopic oil cylinder and the first power component 2 are controlled to enable the central line of the sleeve 19 to coincide with the center of the ladle nozzle, the nozzle is attached to the sleeve 19, pressure is maintained by the third power rotary component 12, and fixed jacking force is provided.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A casing mounting device, comprising:
the sleeve clamping component is used for clamping the sleeve;
the first power rotating assembly is used for driving the sleeve clamping assembly to rotate around a vertical shaft;
the horizontal moving component is used for driving the sleeve clamping component to move along the horizontal direction;
the second power rotating assembly is used for driving the sleeve clamping assembly to rotate around the axis of the sleeve clamping assembly;
the third power rotating assembly is used for driving the sleeve clamping assembly to rotate along the vertical direction;
the horizontal moving assembly is arranged between the first power rotating assembly and the second power rotating assembly, and the second power rotating assembly is fixedly connected with the sleeve clamping assembly;
and the control device is respectively connected with the first power rotating assembly, the horizontal moving assembly, the second power rotating assembly and the third power rotating assembly so as to control the sleeve clamping assembly to move to a preset position for sleeve installation.
2. The ferrule mounting device of claim 1, wherein the ferrule holding assembly comprises:
the sleeve pipe centre gripping arm rather than the sleeve pipe grip slipper that sets firmly, be equipped with two coaxial horizontal location pins that set up relatively on the sleeve pipe grip slipper and with whole the sleeve pipe grip ring that the horizontal location pin rotates to be connected, work as the third power gyration subassembly drives when the sleeve pipe centre gripping subassembly rotates along vertical direction, the sleeve pipe grip ring drives the sleeve pipe and winds the horizontal location pin rotates and makes the sleeve pipe be in vertical state.
3. The casing mounting arrangement of claim 1, wherein the first power swivel assembly comprises:
the fixed base, locate last first power piece of fixed base and with the first transmission piece that the output of first power piece is connected, first transmission piece include with the driving gear that the output of first power piece is connected and with driven gear of driving gear meshing.
4. The cannula mounting device of claim 3, wherein the horizontal movement assembly comprises:
the movable sliding table fixing base is fixedly connected with the driven gear;
the second power rotary assembly is arranged on the rotary supporting seat;
locate remove the horizontal migration power spare on the slip table unable adjustment base and with the horizontal migration driving medium that horizontal migration power spare linked firmly, the horizontal migration driving medium with the gyration supporting seat links firmly in order to drive the gyration supporting seat for remove the slip table unable adjustment base and slide.
5. The cannula mounting device of claim 4, wherein the horizontal movement assembly further comprises:
locate remove slip table unable adjustment base with the guide between the gyration supporting seat, the guide is slide rail slider mechanism.
6. The cannula mounting device of claim 4, wherein the horizontal movement assembly further comprises:
locate on the removal slip table unable adjustment base, be used for right the biggest slide position of gyration supporting seat carries out the position detecting element that detects, controlling means with position detecting element connects, in order to according to the detected signal control of position detecting element the action of horizontal migration power spare.
7. The casing mounting device according to claim 4, wherein the swing support base is provided with a swing base for supporting the second power swing assembly and a support rod for fixing the swing base;
and two ends of the third power rotation assembly are respectively hinged with the rotation supporting seat and the bottom of the swinging seat so as to drive the swinging seat and the second power rotation assembly thereon to rotate around the supporting rod along the vertical direction.
8. The casing mounting arrangement of claim 1, wherein the second power swivel assembly comprises:
the sleeve pipe clamping device comprises a second power part, a second transmission part and a rotating arm body which are sequentially and fixedly connected, wherein the other end of the rotating arm body is fixedly connected with the sleeve pipe clamping component in a detachable mode, and the second power part is driven by the rotating arm body to rotate around the axis of the sleeve pipe clamping component.
9. The bushing mounting apparatus of claim 7 wherein a bearing is disposed between said wobble seat and said second power swivel assembly.
10. A cannula mounting device according to any of claims 1-9, further comprising a remote control device for remote control, the remote control device and the control device being connected in wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998292.6U CN213970880U (en) | 2020-12-14 | 2020-12-14 | Sleeve installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998292.6U CN213970880U (en) | 2020-12-14 | 2020-12-14 | Sleeve installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213970880U true CN213970880U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022998292.6U Active CN213970880U (en) | 2020-12-14 | 2020-12-14 | Sleeve installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213970880U (en) |
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2020
- 2020-12-14 CN CN202022998292.6U patent/CN213970880U/en active Active
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