CN109176383B - Mining jack maintenance platform - Google Patents
Mining jack maintenance platform Download PDFInfo
- Publication number
- CN109176383B CN109176383B CN201810724939.0A CN201810724939A CN109176383B CN 109176383 B CN109176383 B CN 109176383B CN 201810724939 A CN201810724939 A CN 201810724939A CN 109176383 B CN109176383 B CN 109176383B
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- Prior art keywords
- fixed
- hydraulic
- hydraulic rod
- jack
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
Abstract
The invention discloses a maintenance platform for a mining jack, which comprises an operation platform, wherein the operation platform is fixedly welded on a bottom plate through a support rod, a guide rail is arranged on the bottom plate, a transport vehicle for transporting the jack to be maintained is arranged on the guide rail in a rolling manner, fixed plates are oppositely welded and fixed on the lower surface of the operation platform, third hydraulic rods are arranged on the fixed plates, a fixed seat is fixed at the telescopic end of each first hydraulic rod through a bolt, sliding sleeves are sleeved at the two ends of the fixed seat in a downward extending manner, and a second hydraulic rod is fixed in each sliding sleeve through a bolt. According to the invention, the cylinder body and the ejector rod of the jack to be maintained are fixed through the second hydraulic rod and the third hydraulic rod, and when the ejector rod is pulled out, the second hydraulic rod and the third hydraulic rod can both rotate, so that the posture of the jack to be maintained is dynamically adjusted in the process of pulling out the ejector rod, and scratches caused on the inner wall of the cylinder body of the jack to be maintained when the ejector rod is pulled out are prevented.
Description
Technical Field
The invention belongs to the technical field of jack maintenance devices, and particularly relates to a mining jack maintenance platform.
Background
The jack, commonly called as an oil cylinder, is one of common hydraulic elements in coal mine mechanical equipment, and is widely applied to coal mines. The jack body comprises a cylinder body and a piston rod. Along with the increase of jack number of times of use, the seal structure on the piston rod will wear out gradually like the sealing washer, need take out the piston rod, changes the sealing washer.
For example, patent with application number CN201611160722.9 discloses a hydraulic jack maintenance platform, which comprises a cylinder body bracket, a piston rod press-fitting hydraulic cylinder, a guide sleeve dismounting hydraulic cylinder, a guide sleeve press-fitting hydraulic cylinder, and a liquid supply pipeline; a clamp capable of clamping the old guide sleeve is arranged beside a piston rod of the guide sleeve dismounting hydraulic cylinder; and a retaining wall is arranged on one side of the edge of the piston rod bracket, which is opposite to the guide sleeve press-fitting hydraulic cylinder. The platform not only improves the working efficiency, but also greatly reduces the labor intensity of workers, improves the workshop operation environment and reduces the safety risk.
However, the above solution has the following disadvantages in use: when the piston rod is drawn out, the cylinder body and the piston rod need to be fixed respectively, if a lateral force exists between the piston rod and the inner wall of the cylinder body when the piston rod is drawn out, the inner wall of the cylinder body is possibly abraded or even scratched in the process of drawing out the piston rod, and the sealing performance of the cylinder body is seriously affected.
Disclosure of Invention
The invention aims to provide a maintenance platform for a mining jack, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mining jack maintenance platform, includes the operation panel, the operation panel passes through bracing piece welded fastening on the bottom plate, install the guide rail on the bottom plate, roll on the guide rail and install the transport vechicle that is used for transporting and treats the maintenance jack, opposition welded fastening has the fixed plate on the lower surface of operation panel, all install the third hydraulic stem on the fixed plate, the upper surface of operation panel has the portal frame through the bolt fastening, the top of portal frame is fixed with first hydraulic stem, the flexible end of first hydraulic stem has the fixing base through the bolt fastening, the sliding sleeve has been cup jointed in the both ends downwardly extending and sliding of fixing base, the inside of sliding sleeve has the second hydraulic stem through the bolt fastening.
Preferably, a placing groove is welded and fixed on the transport vehicle, and the jack to be maintained is located in the placing groove.
Preferably, the operating platform is provided with a first through groove and a second through groove, one end of the first through groove extends from the edge of the operating platform to the center of the operating platform, and the second through groove is communicated with the other end of the first through groove.
Preferably, the two ends of the sliding sleeve are provided with limiting bulges in an integrated mode.
Preferably, the hydraulic chambers of the two second hydraulic rods are communicated through hydraulic pipes.
Preferably, the first hydraulic rod, the second hydraulic rod and the third hydraulic rod are all connected with the hydraulic station.
Preferably, the extension and retraction directions of the second hydraulic rod and the third hydraulic rod are perpendicular to each other.
Preferably, the telescopic ends of the second hydraulic rod and the third hydraulic rod are both fixed with a top plate through bolts, and the top plate is arc-shaped.
Preferably, the third hydraulic rod is fixed inside a fixed sleeve, and the fixed sleeve is rotatably connected to the fixed plate through a bearing.
The invention has the technical effects and advantages that:
according to the invention, the jack to be maintained is transported to the position close to the center of the operation platform through the transport vehicle, the cylinder body and the ejector rod of the jack to be maintained are respectively fixed by the second hydraulic rod and the third hydraulic rod, when the ejector rod is pulled out, the second hydraulic rod and the third hydraulic rod can both rotate, so that the posture of the jack to be maintained is dynamically adjusted in the process of pulling out the ejector rod, the influence of lateral force between the ejector rod and the inner wall of the cylinder body is eliminated, the scratch on the inner wall of the cylinder body of the jack to be maintained is prevented when the ejector rod is pulled out, and then the sealing ring on the ejector rod is replaced.
Drawings
FIG. 1 is a schematic structural diagram of a mining jack maintenance platform according to the present invention;
FIG. 2 is a schematic diagram of an expanded structure of a mining jack maintenance platform according to the present invention;
FIG. 3 is a schematic view of a retraction structure of a mining jack maintenance platform according to the present invention;
FIG. 4 is a schematic view of a retracted structure of a mining jack maintenance platform according to the present invention;
FIG. 5 is a schematic view of a stowing structure of a mining jack maintenance platform according to the present invention;
fig. 6 is a schematic view of a retracting structure of the mining jack maintenance platform.
In the figure: 1 first hydraulic stem, 2 portal frames, 3 operation panels, 301 first through groove, 302 second through groove, 4 bracing pieces, 5 fixed plates, 6 bottom plates, 7 waiting to maintain jack, 8 standing grooves, 9 transport vechicle, 10 guide rails, 11 sliding sleeves, 12 fixing bases, 13 second hydraulic stems, 14 third hydraulic stems, 15 hydraulic pipes, 16 fixed sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a mining jack maintenance platform, includes operation panel 3, operation panel 3 passes through bracing piece 4 welded fastening on bottom plate 6, install guide rail 10 on the bottom plate 6, the transport vechicle 9 that is used for transporting and treats maintenance jack 7 is installed in the roll on the guide rail 10, opposition welded fastening has fixed plate 5 on the lower surface of operation panel 3, all install third hydraulic stem 14 on the fixed plate 5, the upper surface of operation panel 3 has portal frame 2 through the bolt fastening, the top of portal frame 2 is fixed with first hydraulic stem 1, the flexible end of first hydraulic stem 1 has fixing base 12 through the bolt fastening, the both ends downwardly extending of fixing base 12 and slip cup joint sliding sleeve 11, the inside of sliding sleeve 11 has second hydraulic stem 13 through the bolt fastening.
Welded fastening has standing groove 8 on the transport vechicle 9, treat that maintenance jack 7 is located standing groove 8 in the standing groove 8 can treat maintenance jack 7 and carry out simple location, can prevent to treat that maintenance jack 7 from taking place the slope simultaneously.
Be equipped with first logical groove 301 and second logical groove 302 on operation panel 3, the one end that first logical groove 301 extends operation panel 3 center department from the edge of operation panel 3, the other end intercommunication that second logical groove 302 and first logical groove 301 lead to, first logical groove 301 is parallel with guide rail 10 and the same with the distance between two guide rails 10 to when making transport vechicle 9 will treat maintenance jack 7 to operation panel 3 department transportation, can get into operation panel 3's center department through first logical groove 301, second logical groove 302 is used for fixing base 12 and second hydraulic stem 13 to pass through.
The both ends homogeneous of sliding sleeve 11 is provided with spacing arch for carry on spacingly to the tip of sliding sleeve 11, second hydraulic stem 13 can rotate under the effect of sliding sleeve 11, can treat the gesture of maintaining jack 7 and adjust taking out the in-process of treating maintenance jack 7.
Two hydraulic pressure pipes 15 intercommunication are passed through between the hydraulic pressure chamber of second hydraulic pressure pole 13, can guarantee about two second hydraulic pressure poles 13 treat that the inside ejector pin of maintenance jack 7 provides the same pressure to press from both sides tightly fixedly to the ejector pin.
The first hydraulic rod 1, the second hydraulic rod 13 and the third hydraulic rod 14 are all connected with the hydraulic station, and the first hydraulic rod 1, the second hydraulic rod 13 and the third hydraulic rod 14 are conveniently controlled through the hydraulic station.
The extension directions of the second hydraulic rod 13 and the third hydraulic rod 14 are perpendicular to each other, so that when the second hydraulic rod 13 and the third hydraulic rod 14 extend out, the cylinder body and the mandril of the jack 7 to be maintained are clamped and fixed respectively.
The telescopic ends of the second hydraulic rod 13 and the third hydraulic rod 14 are both fixed with a top plate through bolts, the top plate is arc-shaped and can be in contact with a cylinder body and a top rod of the jack 7 to be maintained, the contact area is increased, and the fixing firmness is improved.
The third hydraulic rod 14 is fixed inside the fixing sleeve 16, the fixing sleeve 16 is rotatably connected to the fixing plate 5 through a bearing, so that when the jack 7 to be maintained is erected, the third hydraulic rod 14 can rotate by using the fixing sleeve 16, and the posture of the jack 7 to be maintained can be adjusted while the clamping force is maintained.
Hoisting a jack 7 to be maintained in a placing groove 8 on a transport vehicle 9, removing an end cover of a jack cylinder body, pushing the transport vehicle 9 to move the jack 7 to be maintained to an operation platform 3, slowly moving the transport vehicle 9 to adjust the position of the jack 7 to be maintained, starting a third hydraulic rod 14 through a hydraulic station, clamping and fixing the outer wall of the cylinder body of the jack 7 to be maintained by utilizing a left third hydraulic rod 14 and a right third hydraulic rod 14, starting a first hydraulic rod 1 through the hydraulic station to push a fixed seat 12 to descend until a second hydraulic rod 13 on the fixed seat 12 is aligned with an ejector rod of the jack 7 to be maintained, stopping descending, starting a second hydraulic rod 13 through the hydraulic station to extend out, clamping and fixing the ejector rod, fixing the second hydraulic rod 13 on a sliding sleeve 11, and when the second hydraulic rod 13 is in contact with the ejector rod, generating friction between the sliding sleeve 11 and the fixed seat 12, the jack 7 to be maintained can be erected, the posture of the jack 7 to be maintained is dynamically adjusted in the process of drawing the mandril, scratches on the inner wall of the cylinder body of the jack 7 to be maintained are prevented, and the mandril of the jack 7 to be maintained is further drawn out, and then the sealing ring on the ejector rod is replaced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a mining jack maintenance platform, includes operation panel (3), its characterized in that: the operating platform (3) is welded and fixed on the bottom plate (6) through the supporting rod (4), a guide rail (10) is arranged on the bottom plate (6), a transport vehicle (9) for transporting the jack (7) to be maintained is arranged on the guide rail (10) in a rolling way, a fixed plate (5) is oppositely welded and fixed on the lower surface of the operating platform (3), third hydraulic rods (14) are respectively arranged on the fixed plates (5), a portal frame (2) is fixed on the upper surface of the operating platform (3) through bolts, a first hydraulic rod (1) is fixed at the top of the portal frame (2), a fixed seat (12) is fixed at the telescopic end of the first hydraulic rod (1) through a bolt, two ends of the fixed seat (12) extend downwards and are sleeved with the sliding sleeve (11) in a sliding way, a second hydraulic rod (13) is fixed inside the sliding sleeve (11) through a bolt; the first hydraulic rod (1), the second hydraulic rod (13) and the third hydraulic rod (14) are all connected with the hydraulic station; the extension and retraction directions of the second hydraulic rod (13) and the third hydraulic rod (14) are mutually vertical; the third hydraulic rod (14) is fixed inside a fixed sleeve (16), and the fixed sleeve (16) is rotatably connected to the fixed plate (5) through a bearing.
2. The mining jack maintenance platform of claim 1, wherein: a placing groove (8) is welded and fixed on the transport vehicle (9), and the jack (7) to be maintained is located in the placing groove (8).
3. The mining jack maintenance platform of claim 1, wherein: the operating table is characterized in that a first through groove (301) and a second through groove (302) are formed in the operating table (3), one end of the first through groove (301) extends from the edge of the operating table (3) to the center of the operating table (3), and the second through groove (302) is communicated with the other end of the first through groove (301).
4. The mining jack maintenance platform of claim 1, wherein: the two ends of the sliding sleeve (11) are uniformly provided with limiting bulges.
5. The mining jack maintenance platform of claim 1, wherein: the hydraulic cavities of the two second hydraulic rods (13) are communicated through hydraulic pipes (15).
6. The mining jack maintenance platform of claim 1, wherein: the telescopic ends of the second hydraulic rod (13) and the third hydraulic rod (14) are both fixed with a top plate through bolts, and the top plate is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724939.0A CN109176383B (en) | 2018-07-04 | 2018-07-04 | Mining jack maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724939.0A CN109176383B (en) | 2018-07-04 | 2018-07-04 | Mining jack maintenance platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109176383A CN109176383A (en) | 2019-01-11 |
| CN109176383B true CN109176383B (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810724939.0A Active CN109176383B (en) | 2018-07-04 | 2018-07-04 | Mining jack maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109176383B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743334B (en) * | 2020-12-29 | 2022-05-20 | 国家能源集团宁夏煤业有限责任公司 | Jack dismounting device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377765U (en) * | 2011-12-03 | 2012-08-15 | 中国石油集团川庆钻探工程有限公司川西钻探公司 | Device for detaching hydraulic cylinder of blowout preventer |
| CN102962668A (en) * | 2012-04-24 | 2013-03-13 | 南车南京浦镇车辆有限公司 | Mechanical shaft coupler withdrawal mechanism |
| CN202846120U (en) * | 2012-09-28 | 2013-04-03 | 天津市瑞轴佳运机电设备有限公司 | Movable type axial drawing device |
| CN203266070U (en) * | 2013-05-27 | 2013-11-06 | 大冶市天工模具有限公司 | Extruder charging barrel dismantling device |
| CN205651097U (en) * | 2016-03-29 | 2016-10-19 | 杨柳 | Fixture |
| CN206435949U (en) * | 2016-12-07 | 2017-08-25 | 朱天柱 | A kind of Simple hydraulic upright post jack guide sleeve removes device |
| CN206464793U (en) * | 2016-12-30 | 2017-09-05 | 山西浩业通用设备有限公司 | Four-column type oil cylinder dismounts all-in-one |
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2018
- 2018-07-04 CN CN201810724939.0A patent/CN109176383B/en active Active
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| Publication number | Publication date |
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| CN109176383A (en) | 2019-01-11 |
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