CN214922101U - Vertical jack dismounting device - Google Patents
Vertical jack dismounting device Download PDFInfo
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- CN214922101U CN214922101U CN202023083441.2U CN202023083441U CN214922101U CN 214922101 U CN214922101 U CN 214922101U CN 202023083441 U CN202023083441 U CN 202023083441U CN 214922101 U CN214922101 U CN 214922101U
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- sleeve
- dismounting
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- fixing
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Abstract
The utility model discloses a vertical jack dismounting device, which relates to the jack dismounting field, and the key point of the technical proposal comprises a support frame, a sliding fixed seat, a power device and a dismounting sleeve; the sliding fixing seat is arranged on the supporting frame and can slide linearly relative to the supporting frame, and the sliding fixing seat is used for fixing the cylinder body; the dismounting sleeve is arranged on the support frame, can rotate relative to the support frame and is used for fixing the nut type guide sleeve and the piston rod; the power device is used for driving the dismounting sleeve to rotate; the rotating axis of the dismounting sleeve is parallel to the sliding direction of the supporting frame. The utility model discloses a power device drive dismouting cover rotates, detaches nut formula uide bushing from the cylinder body to slide along the direction parallel with dismouting cover axis of rotation through the linear drive device drive slip fixing base, take the cylinder body out with the piston rod, need not the manual work and dismantle nut formula uide bushing, make hydraulic jack's dismantlement become very convenient, laborsaving.
Description
Technical Field
The utility model relates to a jack dismouting field, more specifically the saying so, it relates to a vertical jack dismouting device.
Background
The hydraulic jack is a common jack, and the working principle of the hydraulic jack is that rigid jacking is realized through the reciprocating motion of a piston rod in a cylinder body. The cylinder body is usually provided with a guide sleeve, and the piston rod extends out of the cylinder body and continues to slide outwards under the guidance of the guide sleeve. The guide sleeve ensures that the piston rod is coaxial with the cylinder body, so that the piston rod cannot be in frictional contact with the cylinder body when extending out, and the cylinder body is prevented from being scratched by the piston rod. The common guide sleeve is a nut-type guide sleeve, the nut-type guide sleeve is sleeved at one end of the cylinder body and is fixed on the cylinder body through threaded connection, a plurality of open grooves are formed in the nut-type guide sleeve, and the plurality of open grooves are arranged around the axis of the guide sleeve.
The existing method for disassembling the small hydraulic jack is manual disassembly, workers need to fix the cylinder body firstly, then rotate the nut type guide sleeve to disassemble the nut type guide sleeve from the cylinder body, and finally the workers pull out the piston rod from the cylinder body.
After the hydraulic jack is used for a long time, the nut type guide sleeve is easy to corrode, the difficulty in manually disassembling the nut type guide sleeve is increased, and the disassembling process of the hydraulic jack is very laborious.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a vertical jack dismouting device, it rotates through power device drive dismouting cover, detaches nut formula uide bushing from the cylinder body to through the vertical upwards slip of sharp drive arrangement drive slip fixing base, take the cylinder body out with the piston rod, need not the manual work and dismantle nut formula uide bushing, make hydraulic jack's dismantlement become very convenient, laborsaving.
In order to achieve the above purpose, the utility model provides a following technical scheme: a vertical jack dismounting device comprises a support frame, a sliding fixed seat, a power device and a dismounting sleeve; the sliding fixing seat is arranged on the supporting frame and can slide linearly relative to the supporting frame, and the sliding fixing seat is used for fixing the cylinder body; the dismounting sleeve is arranged on the support frame, can rotate relative to the support frame and is used for fixing the nut type guide sleeve and the piston rod; the power device is used for driving the dismounting sleeve to rotate; the rotating axis of the dismounting sleeve is parallel to the sliding direction of the supporting frame.
Through adopting above-mentioned technical scheme, drive the dismouting cover through power device and rotate, tear nut formula uide bushing off the cylinder body to slide along the direction parallel with dismouting cover axis of rotation through the drive of sharp drive arrangement slip fixing base, take the piston rod out the cylinder body, need not the manual work and dismantle nut formula uide bushing, make the dismantlement of hydraulic jack become very convenient, laborsaving. Meanwhile, the hydraulic jack can be installed through the cooperation of the linear driving device and the power device.
The utility model discloses further set up to: the linear driving device is used for driving the sliding fixing seat to slide.
The utility model discloses further set up to: the disassembling and assembling sleeve comprises a sleeve body and a fixing pin; the sleeve body is used for fixing the nut type guide sleeve; the sleeve body is further provided with two fixing pin holes which are coaxial, the axes of the two fixing pin holes are intersected with and perpendicular to the axis of the sleeve body, and the fixing pin can penetrate through the two fixing pin holes and the first mounting hole simultaneously.
The utility model discloses further set up to: the dismouting cover still includes the jack catch, and the jack catch can insert in the open slot, and the jack catch sets up a plurality ofly, and a plurality of jack catches encircle set body axis setting.
The utility model discloses further set up to: the dismouting cover still includes the retaining member, a plurality of jack catchs can be followed the radial slip of the cover body, and a plurality of jack catchs can be fixed on the cover body by the retaining member.
Through adopting above-mentioned technical scheme, a plurality of jack catchs can be according to the nut formula uide bushing adjustment position of different specifications for the nut formula uide bushing of different specifications can be adapted to the dismouting cover.
The utility model discloses further set up to: the support frame includes the mounting panel, has seted up the sliding tray on the mounting panel, and the sliding tray is used for injecing the vertical slip of slip fixing base, and the slip fixing base inserts in the sliding tray.
The utility model discloses further set up to: the sliding fixing seat comprises a first connecting portion and a second connecting portion, the first connecting portion is used for fixing the cylinder body, and the second connecting portion is used for connecting the linear driving device.
The utility model discloses further set up to: still include the mounting pin, the cylinder body is fixed on first connecting portion by the mounting pin.
The utility model discloses further set up to: the linear driving device is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixed on the supporting frame, and a piston rod of the hydraulic cylinder is connected with the sliding fixing seat.
The utility model discloses further set up to: the power device comprises a variable frequency motor and a speed reducer, the output end of the variable frequency motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the dismounting sleeve.
Through adopting above-mentioned technical scheme, this embodiment is through using inverter motor and reduction gear cooperation to required great moment of torsion when satisfying the nut formula uide bushing of dismantlement corrosion.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the utility model discloses a power device drive dismouting cover rotates, detaches nut formula uide bushing from the cylinder body to slide the vertical upwards slip of fixing base through the drive of sharp drive arrangement, take the cylinder body out with the piston rod, need not the manual work and dismantle nut formula uide bushing, make hydraulic jack's dismantlement become very convenient, laborsaving.
2. The utility model discloses a hydraulic jack's installation still can be realized to sharp drive arrangement and power device's cooperation.
3. The utility model discloses a dismouting cover is fixed with the piston rod, slides from top to bottom through linear drive device drive cylinder body, inserts the piston rod and takes the cylinder body out for the dismouting of piston rod becomes very laborsaving.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of the installation position of the linear drive;
FIG. 3 is a schematic view of the structure of the removable cover;
FIG. 4 is an enlarged schematic view at A of FIG. 1;
in the figure: 1. a support frame; 11. a base; 12. mounting a plate; 13. a fixing member; 121. a sliding groove; 122. a strip-shaped through hole; 2. a sliding fixing seat; 21. a first connection portion; 211. a first connecting plate; 22. a sliding part; 23. a second connecting portion; 3. a power plant; 4. disassembling and assembling the sleeve; 41. a sleeve body; 411. a fixing pin hole; 42. a claw; 43. a locking member; 44. a fixing pin; 5. a linear drive device; 6. pressing a plate; 7. a first fastening bolt; 8. a fixing assembly; 81. a fixed mount; 811. a fixed part; 812. an installation part; 82. a second fastening bolt; 9. mounting a pin; 10. a hydraulic jack; 101. a cylinder body; 102. a piston rod; 103. nut type guide sleeve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example (b):
as shown in fig. 1, which is a basic structure of the preferred embodiment of the present invention, a vertical jack dismounting device includes a supporting frame 1, a sliding fixing seat 2, a power device 3 and a dismounting sleeve 4. One end of the cylinder body 101, which is provided with the nut type guide sleeve 103, is the bottom of the cylinder body 101, and the other end of the cylinder body 101 is the top of the cylinder body 101. The sliding fixing seat 2 is arranged on the support frame 1 and can vertically slide relative to the support frame 1; the dismouting cover 4 is located the below of slip fixing base 2 to link to each other with power device 3's output, dismouting cover 4 can rotate under power device 3's drive, and the dismouting cover 4 axis of rotation is vertical. When the cylinder body 101 is assembled and disassembled, the top of the cylinder body 101 is fixed on the sliding fixed seat 2, the axis of the cylinder body 101 is vertical, and the nut type guide sleeve 103 and the piston rod 102 are locked in the assembling and disassembling sleeve 4.
When the hydraulic jack 10 is disassembled, the power device 3 is started to enable the disassembling sleeve 4 to rotate, and the disassembling sleeve 4 drives the nut type guide sleeve 103 to rotate away from the cylinder body 101; the cylinder body 101 vertically slides upwards along with the sliding fixed seat 2 under the action of the rotation of the nut type guide sleeve 103 until the nut type guide sleeve 103 is not connected with the cylinder body 101 in a threaded manner any more; then, the worker makes the sliding fixing seat 2 continue to slide vertically upwards, and the sliding fixing seat 2 drives the cylinder body 101 to separate from the piston rod 102.
In this embodiment, the hydraulic jack 10 can be installed, when the hydraulic jack 10 is installed, a worker makes the sliding fixing seat 2 vertically slide downwards, and the sliding fixing seat 2 drives the cylinder body 101 to move downwards, so that the piston rod 102 is completely inserted into the cylinder body 101; starting the power device 3 to enable the dismounting sleeve 4 to rotate reversely, and driving the nut type guide sleeve 103 to be in threaded connection with the cylinder body 101 by the dismounting sleeve 4; the cylinder body 101 slides vertically downwards along with the sliding fixing seat 2 under the action of the rotation of the nut type guide sleeve 103 until the nut type guide sleeve 103 is fixed on the cylinder body 101.
This embodiment passes through power device 3 drive dismouting cover 4 and rotates, makes the rotation that dismouting cover 4 drove nut formula uide bushing 103 leave cylinder body 101, need not the artifical nut formula uide bushing 103 of dismantling the corrosion for hydraulic jack 10's dismantlement process is very convenient, laborsaving. In addition, the power device 3 can drive the dismounting sleeve 4 to rotate reversely, so that the dismounting sleeve 4 drives the nut type guide sleeve 103 to be in threaded connection with the cylinder body 101, the nut type guide sleeve 103 does not need to be manually installed on the cylinder body 101, and the hydraulic jack 10 is very convenient and labor-saving to install.
As shown in fig. 2, the present embodiment further includes a linear driving device 5, and the linear driving device 5 is used for driving the sliding fixing base 2 to slide vertically. In this embodiment, the linear driving device 5 is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is vertically fixed on the support frame 1, and the piston rod of the hydraulic cylinder is connected with the sliding fixing seat 2. When dismouting piston rod 102, the pneumatic cylinder piston rod is flexible in the pneumatic cylinder body to the vertical slip of drive slip fixing base 2, and slip fixing base 2 drives cylinder body 101 vertical slip, takes piston rod 102 out or inserts cylinder body 101, makes the staff need not manual promotion slip fixing base 2 and drives cylinder body 101 and reciprocate.
Support frame 1 includes base 11 and mounting panel 12, and mounting panel 12 is vertical to be installed on base 11, and slip fixing base 2, pneumatic cylinder and power device 3 are installed on mounting panel 12. In this embodiment, the hydraulic cylinder and the power unit 3 are located on both sides of the mounting plate 12 facing away from each other.
The side of the mounting plate 12 close to the power device 3 is provided with a sliding groove 121, and the sliding groove 121 penetrates through the mounting plate 12 upwards. The sliding groove 121 is used for guiding the sliding direction of the sliding holder 2.
The sliding holder 2 comprises a first connecting part 21, a second connecting part 23 and a sliding part 22, wherein the sliding part 22 is inserted into the sliding groove 121 and can slide in the sliding groove 121; the top of the cylinder 101 is connected to the first connecting part 21, and the first connecting part 21 is fixedly connected to one side of the sliding part 22 close to the power device 3; the hydraulic cylinder piston rod is connected with the second connecting portion 23, and the second connecting portion 23 is fixedly connected to one side of the sliding portion 22 departing from the first connecting portion 21.
In this embodiment, the supporting frame 1 further includes a fixing member 13, the fixing member 13 is fixedly connected to one side of the mounting plate 12 close to the hydraulic cylinder, the fixing member 13 is located below the second connecting portion 23, and the cylinder body of the hydraulic cylinder is fixed by the fixing member 13.
A strip-shaped through hole 122 is formed in a groove wall of the sliding groove 121 on one side departing from the first connecting portion 21, the strip-shaped through hole 122 is vertically arranged in the length direction, and the second connecting portion 23 penetrates through the strip-shaped through hole 122 to be connected with an output end of the linear driving device 5.
Preferably, the present embodiment further comprises a pressure plate 6, wherein the pressure plate 6 is fixedly connected to one side of the mounting plate 12 close to the power device 3; in this embodiment, two pressing plates 6 are provided, the two pressing plates 6 are attached to one side of the sliding portion 22 close to the pressing plates 6, and the first connecting portion 21 is located between the two pressing plates 6 to prevent the sliding portion 22 from coming off from the side close to the pressing plates 6 from the sliding groove 121, so that the sliding portion 22 can only slide in the sliding groove 121.
Preferably, the present embodiment further comprises a first fastening bolt 7, the pressure plate 6 is fixed on the mounting plate 12 by the first fastening bolt 7, and the first fastening bolt 7 penetrates through the pressure plate 6 and is in threaded connection with the mounting plate 12. In this embodiment, ten first fastening bolts 7 are provided, and the ten first fastening bolts 7 are distributed on both sides of the first connecting portion 21 to fix the two pressing plates 6 on the mounting plate 12.
As shown in fig. 3, the removable cover 4 includes a cover body 41, a plurality of claws 42 and a locking member 43, the cover body 41 is used for fixing the nut-type guide sleeve 103, the top of the cover body 41 is provided with a plurality of claws 42 around the axis of the cover body 41, the plurality of claws 42 can slide along the radial direction of the cover body 41, and the plurality of claws 42 can be fixed on the cover body 41 by the locking member 43.
In this embodiment, four opening grooves are formed in the nut-type guide sleeve 103, and four claws 42 are arranged corresponding to the four opening grooves.
When the nut-type guide sleeve 103 is disassembled and assembled, the nut-type guide sleeve 103 is inserted into the sleeve body 41, the nut-type guide sleeve 103 is rotated to enable the four open grooves to be flush with the four claws 42, and the four claws 42 are adjusted to slide along the radial direction of the sleeve body 41 until the four claws 42 are inserted into the four open grooves and abut against the groove walls of the four open grooves on one side close to the axis of the nut-type guide sleeve 103; the four claws 42 are fixed to the housing 41 by the lock members 43, and fix the nut type guide sleeve 103 to the removing sleeve 4. In the embodiment, the four position-adjustable clamping jaws 42 are arranged, so that the dismounting sleeve 4 can meet the dismounting requirements of nut type guide sleeves 103 with different specifications.
Preferably, the locking member 43 is a bolt, and the bolt is provided in plurality, and the plurality of bolts correspond to the plurality of claws 42 one to one; in this embodiment, four bolts are provided, and the four bolts pass through the four claws 42 to be connected with the sleeve body 41 by screw threads.
One end of the piston rod 102, which is away from the cylinder body 101, is provided with a first mounting hole for mounting and connecting the piston rod 102, the sleeve body 41 is provided with two fixing pin holes 411, the two fixing pin holes 411 are coaxial, and the axes of the two fixing pin holes 411 are intersected with and perpendicular to the axis of the sleeve body 41. The dismounting sleeve 4 further comprises a fixing pin 44, when the piston rod 102 is dismounted, one end of the piston rod 102, which is far away from the cylinder body 101, is inserted into the nut type guide sleeve 103, the piston rod 102 is rotated to enable the axis of the first mounting hole to be coaxial with the fixing pin hole 411, the fixing pin 44 penetrates through one fixing pin hole 411 and the first mounting hole and then is inserted into the other fixing pin hole 411, and the piston rod 102 is connected to the sleeve body 41 through the matching of the fixing pin 44 and the two fixing pin holes 411.
The power device 3 comprises a variable frequency motor and a speed reducer, the output end of the variable frequency motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the sleeve body 41; the variable frequency motor is used for providing power for the rotation of the sleeve body 41, and the speed reducer is used for reducing the rotating speed input by the variable frequency motor and increasing the torque output to the sleeve body 41; the present embodiment uses the inverter motor and the reducer in cooperation to satisfy a large torque required when the rusted nut type guide sleeve 103 is detached.
The reduction gear is installed in the cover body 41 bottom, and inverter motor installs in the reduction gear bottom. The embodiment further comprises a fixing assembly 8, the fixing assembly 8 comprises a fixing frame 81 and a second fastening bolt 82, the variable frequency motor and the speed reducer are fixed on the fixing frame 81, and the fixing frame 81 is fixed on one side of the mounting plate 12 close to the variable frequency motor by the second fastening bolt 82. The present embodiment fixedly connects the power unit 3 to the mounting plate 12 by the cooperation of the second fastening bolt 82 and the fixing bracket 81, so as to facilitate the maintenance of the power unit 3.
As shown in fig. 4, in this embodiment, the first connecting portion 21 includes two first connecting plates 211, one side of the two first connecting plates 211 close to the sliding portion 22 is fixedly connected to the sliding portion 22, and two first connecting holes are opened at a position of the two first connecting plates 211 departing from the sliding portion 22, and the two first connecting holes are coaxial. The top of the cylinder body 101 is opened with a second mounting hole for mounting the cylinder body 101. The present embodiment further includes a mounting pin 9, the mounting pin 9 is inserted into one first connecting hole after passing through the other first connecting hole and the second mounting hole, and the top of the cylinder body 101 is connected to the two first connecting plates 211 by the cooperation of the second mounting hole and the mounting pin 9.
In summary, in the present embodiment, the power device 3 drives the dismounting sleeve 4 to rotate, the nut-type guide sleeve 103 is dismounted from the cylinder 101, the linear driving device 5 drives the sliding fixing seat 2 to slide vertically upwards, the piston rod 102 is pulled out of the cylinder 101, and the hydraulic jack 10 can be dismounted. In the embodiment, the nut-type guide sleeve 103 does not need to be manually disassembled, so that the hydraulic jack 10 is convenient and labor-saving to disassemble and assemble. The embodiment can also realize the installation of the hydraulic jack 10 by the matching of the linear driving device 5 and the power device 3. Besides, the utility model discloses a dismouting cover 4 is fixed with piston rod 102, slides from top to bottom through linear drive device 5 drive cylinder body 101, inserts piston rod 102 and takes cylinder body 101 out, need not artifical dismouting piston rod 102.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a vertical jack dismouting device which characterized in that: comprises a support frame (1), a sliding fixed seat (2), a power device (3) and a dismounting sleeve (4); the sliding fixing seat (2) is arranged on the support frame (1) and can slide linearly relative to the support frame (1), and the sliding fixing seat (2) is used for fixing the cylinder body (101); the dismounting sleeve (4) is arranged on the support frame (1), the dismounting sleeve (4) can rotate relative to the support frame (1), and the dismounting sleeve (4) is used for fixing the nut type guide sleeve (103) and the piston rod (102); the power device (3) is used for driving the dismounting sleeve (4) to rotate; the rotating axis of the dismounting sleeve (4) is parallel to the sliding direction of the support frame (1).
2. The vertical jack dismounting device according to claim 1, wherein: the device is characterized by further comprising a linear driving device (5), wherein the linear driving device (5) is used for driving the sliding fixing seat (2) to slide.
3. The vertical jack dismounting device according to claim 1, wherein: the dismounting sleeve (4) comprises a sleeve body (41) and a fixed pin (44); the sleeve body (41) is used for fixing the nut type guide sleeve (103); two fixing pin holes (411) are further formed in the sleeve body (41), the two fixing pin holes (411) are coaxial, the axes of the two fixing pin holes (411) are intersected and perpendicular to the axis of the sleeve body (41), and the fixing pin (44) can penetrate through the two fixing pin holes (411) and the first mounting hole simultaneously.
4. The vertical jack dismounting device according to claim 2, wherein: the dismounting sleeve (4) further comprises a plurality of clamping jaws (42), the clamping jaws (42) can be inserted into the opening grooves, the clamping jaws (42) are arranged in a plurality of modes, and the plurality of clamping jaws (42) are arranged around the axis of the sleeve body (41).
5. The vertical jack dismounting device according to claim 4, wherein: the detachable sleeve (4) further comprises a locking piece (43), the plurality of clamping jaws (42) can slide along the radial direction of the sleeve body (41), and the plurality of clamping jaws (42) can be fixed on the sleeve body (41) by the locking piece (43).
6. The vertical jack dismounting device according to claim 1, wherein: the support frame (1) comprises a mounting plate (12), a sliding groove (121) is formed in the mounting plate (12), the sliding groove (121) is used for limiting the sliding fixing seat (2) to vertically slide, and the sliding fixing seat (2) is inserted into the sliding groove (121).
7. The vertical jack dismounting device according to claim 2, wherein: the sliding fixing seat (2) comprises a first connecting portion (21) and a second connecting portion (23), the first connecting portion (21) is used for fixing the cylinder body (101), and the second connecting portion (23) is used for connecting the linear driving device (5).
8. The vertical jack dismounting device according to claim 7, wherein: the cylinder body (101) is fixed on the first connecting part (21) by the mounting pin (9).
9. The vertical jack dismounting device according to claim 8, wherein: the linear driving device (5) is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixed on the support frame (1), and a piston rod of the hydraulic cylinder is connected with the sliding fixing seat (2).
10. The vertical jack dismounting device according to claim 1, wherein: the power device (3) comprises a variable frequency motor and a speed reducer, the output end of the variable frequency motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the dismounting sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083441.2U CN214922101U (en) | 2020-12-18 | 2020-12-18 | Vertical jack dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083441.2U CN214922101U (en) | 2020-12-18 | 2020-12-18 | Vertical jack dismounting device |
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| Publication Number | Publication Date |
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| CN214922101U true CN214922101U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023083441.2U Active CN214922101U (en) | 2020-12-18 | 2020-12-18 | Vertical jack dismounting device |
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| CN (1) | CN214922101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905455A (en) * | 2022-05-06 | 2022-08-16 | 扎赉诺尔煤业有限责任公司 | Piston rod pulling-out device |
-
2020
- 2020-12-18 CN CN202023083441.2U patent/CN214922101U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905455A (en) * | 2022-05-06 | 2022-08-16 | 扎赉诺尔煤业有限责任公司 | Piston rod pulling-out device |
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Address after: 016200 Shanghai Miao Town equipment manufacturing base, Etuokeqian banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Shandong Energy Equipment Group Inner Mongolia Coal Machinery Intelligent Equipment Manufacturing Co.,Ltd. Address before: 016200 Shanghai Miao Town equipment manufacturing base, Etuokeqian banner, Ordos City, Inner Mongolia Autonomous Region Patentee before: Shandong energy re pack group Inner Mongolia Equipment Manufacturing Co.,Ltd. |