CN110919590A

CN110919590A - Vertical jack dismouting machine

Info

Publication number: CN110919590A
Application number: CN201911277626.6A
Authority: CN
Inventors: 张国栋; 张培军; 陈宇政; 王泽�; 李军
Original assignee: Datong Coal Mine Group Co Ltd
Current assignee: Datong Coal Mine Group Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-27

Abstract

The invention belongs to the technical field of disassembling and assembling of jacks, and particularly relates to a vertical jack disassembling and assembling machine which solves the technical problems of time and labor waste and low efficiency in the process of disassembling or assembling a jack. The invention comprises a vertical frame, wherein a turntable bearing is arranged on the working surface of the vertical frame, the outer ring of the turntable bearing is fixedly connected with the working surface of the vertical frame, the lower end of the working surface is connected with a driving device for driving the inner ring of the turntable bearing to rotate forward and backward, the upper end of the inner ring is connected with a sleeve for installing a jack, the sleeve is provided with a through groove matched with a claw body protruding from the lower part of the jack, the working surface is provided with mutually parallel brackets, and a disassembling wrench clamped with a guide sleeve of the jack is arranged between the brackets. The invention saves time and labor, can finish the disassembly rate as high as 98 percent, saves labor force, improves working efficiency, solves the problem that the most difficult part for repairing the jack is to disassemble the guide sleeve of the jack, ensures that some firm parts can be continuously reused, and saves cost.

Description

Vertical jack dismouting machine

Technical Field

The invention relates to the technical field of disassembling and assembling of jacks, in particular to a vertical jack disassembling and assembling machine.

Background

With the progress of the times and the development of science and technology, our country gradually develops towards large machines and large equipment in the field of machines. The method has been gradually moved to the front of the world in the aspects of the production of large airplanes, the construction of high-speed rails, the manufacture of super-tonnage ships, the construction of skyscrapers and the like. Meanwhile, coal enterprises in China are developing towards millions of tons of mines, the improvement and the combined upgrading of small coal mines are promoted, and coal mine equipment is gradually developed towards a large mining height and a fully mechanized mining technology. Meanwhile, manufacturing and repairing units of the large coal mine machinery are examined, so that the manufacturing and repairing units are prompted to follow the pace of the era, and the manufacturing and repairing units are developed towards a high-efficiency, energy-saving and high-quality production process and are changed into excellent enterprises of a new era.

In the conventional concept of the repair industry, work is slow and delicate, and in order to accomplish high quality repairs, our repair workers are careful and unrelenting in the repair process, but are extremely inefficient. Nowadays, coal excavation gradually develops towards large mining height, namely ten million tons of mines, and meanwhile, coal mining equipment is also changed into large-scale equipment. Therefore, the valves and jacks used are gradually changed to be large-sized, the quantity of the valves and jacks is gradually increased, and the original speed of completely manual repair is difficult to keep pace with the increasing repair quantity in the development.

In the mine, the working condition is seriously deteriorated due to severe and variable environment, so that the support 9 is in an overload running state for a long time. For the jack used for the support 9 for well-out repair, rust spots are more likely to be generated, and various corrosion and impact injuries are inevitable. In the process of disassembling small-size jack, we find that the degree of difficulty is increaseed year by year, lead to disassembling to waste time and energy inefficiency, and because the more mine of waste rock a bit, the environment is especially abominable, lead to the jack corrosion serious, the manual work is disassembled and has been hardly taken apart, the disability rate also increases year by year, the reinstallation of jack also is very hard simultaneously and is wasted time and energy, and because the more mine of waste rock a bit, the environment is especially abominable, lead to the jack corrosion serious, the manual work is disassembled and has been hardly taken apart, the disability rate also increases year by year.

Disclosure of Invention

The invention aims to solve the technical problems of time and labor waste and low efficiency in the process of disassembling or assembling a jack. Therefore, the invention provides a vertical jack dismounting machine.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a vertical jack dismouting machine, includes vertical frame, be provided with the carousel bearing on vertical frame's the working face, the outer lane of carousel bearing and vertical frame's working face fixed connection, the lower extreme of working face is connected with the drive arrangement that the inner circle of drive carousel bearing is just reversing, the upper end of inner circle is connected with the sleeve that is used for installing the jack, be provided with the logical groove with the outstanding claw looks adaptation in jack lower part on the sleeve, be provided with the support that is parallel to each other on the working face, be provided with the spanner of disassembling with the uide bushing looks joint of jack between the support.

The jack is arranged on the working surface of the invention, the lower part of the jack is arranged in the sleeve, the claw body protruding out of the lower part of the jack is clamped in the through groove of the sleeve, the upper part of the jack is clamped with the disassembling wrench, after the jack is installed, the driving device is started, the driving device drives the inner ring of the turntable bearing to rotate, the lower part of the jack rotates along with the sleeve and the inner ring, the upper part of the jack is clamped in the disassembling wrench, the jack can be easily disassembled under the driving of the driving device, the invention adopts the turntable bearing, the outer ring of the turntable bearing is directly connected with the working surface, the inner ring is connected with the sleeve to form the anti-toppling device, which can protect the equipment to rotate stably and reliably, and the driving device only needs to provide torque without axial and radial acting force, thereby effectively protecting the driving transposition and prolonging the service life of the driving device, the turntable bearing has the function of preventing overturning while bearing axial and radial acting forces, and is particularly important for repairing jacks with heavy weight and long length. The vertical jack disassembling and assembling machine greatly relieves the pressure of heavy tasks and time, the disassembling rate can reach 98 percent, and the labor intensity of workers is reduced. The driving device can realize forward and reverse rotation, so that the vertical jack disassembling and assembling machine can be disassembled and assembled, a large part of repairing time is saved, the working efficiency is improved, the problem that the most difficult part for repairing the jack is to disassemble the guide sleeve of the jack is solved, certain firm parts can be continuously reused, and the cost is saved. Because the workshop area is less, and usable space is limited, so adopt the saving theory, design for vertical jack dismouting machine, make full use of limited space.

Preferably, the driving device comprises a plunger motor, a micro pump, a motor and an oil tank, the micro pump is driven by the motor, an inlet of the micro pump is connected with an outlet of the oil tank, an outlet of the micro pump is connected with an inlet of the plunger motor through an overflow valve, and an outlet of the plunger motor is connected with an inlet of the oil tank. The plunger motor is designed, the rotating speed of the plunger motor is low, safe and reliable column detaching operation with large torque and small rotating speed can be realized, then the micro pump and the motor are matched, the motor is used for the micro pump, the micro pump is a pump with small flow, the micro pump pumps liquid in an oil tank to the plunger motor through the overflow valve, and the overflow valve is used for controlling the output torque of the plunger motor to realize safe operation.

Furthermore, a hydraulic control operation valve is connected between the overflow valve and the inlet of the plunger motor. The manual hydraulic control operating valve is adopted to realize the distribution and stop of the liquid inlet of the plunger motor and realize the mutual switching of positive rotation and negative rotation.

Preferably, the support is provided with a guide groove for assembling and disassembling the wrench, the opening of the guide groove is arranged upwards, and the disassembling wrench moves up and down along the groove body of the guide groove. Firstly, the jack is matched with the disassembling wrench, then the disassembling wrench is installed between the supports along the guide groove, and finally the jack is placed in the sleeve. The guide groove is arranged to facilitate the installation and the disassembly of the jack.

Furthermore, the top of the guide groove is additionally provided with a groove top which changes the direction of the groove opening from upward to lateral. The groove top is added, so that the phenomenon that the spanner is jumped due to the fact that a dead jack is blocked due to serious dismantling corrosion or due to the fact that the spanner cannot be placed is avoided, and the phenomenon that an observer is injured to form an accident is avoided.

Preferably, disassemble the spanner and include the pressure disk and set up the support arm at the pressure disk both ends, the support arm is used for setting up the pressure disk between the support, be provided with the recess that is used for with the convex part looks block on jack upper portion on the inner circle of pressure disk.

Furthermore, the periphery of the pressure plate is connected with a surrounding baffle. Increase on the spanner and prevent that the flat key from enclosing the fender that splashes, prevent to disassemble and cut the flat key when power is too big, lead to the flat key to splash and injure the people. The splash direction is changed through the enclosure, the flat key is prevented from directly flying to workers, meanwhile, the effect of buffering is achieved, the flying speed is reduced, and the injury is reduced.

Furthermore, a conversion sleeve is arranged between the sleeve and the inner ring of the turntable bearing, at least two through holes are formed in the conversion sleeve, and the sleeve is provided with the through holes with the same number as the conversion sleeve; and a fixed pin shaft penetrates through the through holes, and the conversion sleeve is connected with the inner ring through a bolt. The sleeve is connected with carousel bearing's inner circle, and the sleeve is main stress point, so easy damage, when nevertheless changing the sleeve, the dismantlement of sleeve and carousel bearing's inner circle is more loaded down with trivial details, and is inconvenient, so set up the conversion cover between the inner circle of sleeve and carousel bearing, through the round pin hub fixation between conversion cover and the sleeve, it is comparatively convenient to make telescopic change, can change the sleeve according to the very heavy difference of repair moreover, increases convenience and practicality.

Furthermore, a spline sleeve is arranged between the conversion sleeve and the inner ring of the turntable bearing, the spline sleeve is matched with the inner ring, and the conversion sleeve, the spline sleeve and the inner ring are connected through bolts. The spline housing is for the conversion sleeve is connected more firmly with the bearing, and is more convenient when changing conversion sleeve and sleeve moreover.

Further, a baffle is arranged at the bottom of the sleeve. The bottom of the sleeve is provided with a baffle plate to prevent foreign matters from falling into the space between the turntable bearings and influencing the normal operation of the turntable bearings.

The invention has the beneficial effects that: the invention provides a vertical jack dismounting machine which is simple in structure, convenient to operate and low in manufacturing cost; the vertical jack disassembling and assembling machine has the advantages that the time and the labor are saved, the disassembling rate can reach 98%, 13% of jacks can be disassembled invisibly, the number of corresponding new products is reduced, the production cost is reduced, the labor force is saved, and the driving device can rotate forwards and backwards. Because the workshop area is less, and usable space is limited, so adopt the saving theory, design for vertical jack dismouting machine, make full use of limited space.

Drawings

FIG. 1 is a schematic view of the overall construction of a vertical jack mounting and dismounting machine of the present invention;

FIG. 2 is a schematic structural view of a guide groove according to the present invention;

FIG. 3 is a schematic view of the guide slot of the present invention with the addition of a slot top;

FIG. 4 is a schematic top view of the wrench of the present invention;

FIG. 5 is a schematic side view of the disassembly wrench of the present invention;

fig. 6 is a schematic diagram of a specific structure of the slewing bearing according to the invention.

In the figure: 1-a vertical frame; 2-working surface; 3-a turntable bearing; 4-outer ring; 5-inner ring; 7-a sleeve; 8-through grooves; 9-a scaffold; 10-disassembling the spanner; 11-plunger motor; 12-a micro-pump; 13-a motor; 14-a fuel tank; 15-an overflow valve; 16-a pilot operated valve; 17-a guide groove; 18-groove top; 19-a platen; 20-a support arm; 21-a groove; 22-enclosure; 23-a conversion sleeve; 24-a bolt; 25-a baffle plate; 26-spline housing.

Detailed Description

A vertical jack mounting and dismounting machine of the present invention will be described in detail with reference to fig. 1 to 6.

The utility model provides a vertical jack dismouting machine, as shown in figure 1, includes vertical frame 1, be provided with carousel bearing 3 on vertical frame 1's the working face 2, carousel bearing 3's outer lane 4 and vertical frame 1's working face 2 fixed connection, the lower extreme of working face 2 is connected with the drive arrangement that 5 positive and negative rotations of inner circle of drive carousel bearing 3, the upper end of inner circle 5 is connected with the sleeve 7 that is used for installing the jack, be provided with the logical groove 8 with the outstanding claw looks adaptation in jack lower part on the sleeve 7, be provided with the support 9 that is parallel to each other on the working face 2, be provided with the spanner 10 of disassembling with the uide bushing looks joint of jack between the support 9.

The jack is arranged on the working surface 2, the lower part of the jack is arranged in the sleeve 7, a claw body protruding out of the lower part of the jack is clamped in a through groove 8 of the sleeve 7, the upper part of the jack is clamped with a disassembling wrench 10, after the jack is installed, a driving device is started, the driving device drives an inner ring 5 of a turntable bearing 3 to start rotating, the lower part of the jack rotates along with the sleeve 7 and the inner ring 5, the upper part of the jack is clamped into the disassembling wrench 10, the jack can be easily disassembled under the driving of the driving device, the invention adopts the turntable bearing 3, an outer ring 4 of the turntable bearing 3 is directly connected with the working surface 2, the inner ring 5 is connected with the sleeve 7 to form an anti-toppling device, the equipment can be protected to rotate stably and reliably, the driving device does not need to bear axial and radial acting force, only needs to provide torque, and therefore, the driving transposition is effectively protected, the service life of the driving device is prolonged, and the turntable bearing 3 has the function of preventing overturning while bearing axial and radial acting forces, and is particularly important for repairing jacks with heavy weight and long length. The vertical jack disassembling and assembling machine greatly relieves the pressure of heavy tasks and time, the disassembling rate can reach 98 percent, and the labor intensity of workers is reduced. The driving device can realize forward and reverse rotation, so that the vertical jack disassembling and assembling machine can be disassembled and assembled, a large part of repairing time is saved, the working efficiency is improved, the problem that the most difficult part for repairing the jack is to disassemble the guide sleeve of the jack is solved, certain firm parts can be continuously reused, and the cost is saved. Because the workshop area is less, and usable space is limited, so adopt the saving theory, design for vertical jack dismouting machine, make full use of limited space.

Further, as a specific embodiment of the vertical jack disassembly and assembly machine of the present invention, as shown in fig. 1, the driving device includes a plunger motor 11, a micro pump 12, a motor 13 and a fuel tank 14, the micro pump 12 is driven by the motor 13, an inlet of the micro pump 12 is connected to an outlet of the fuel tank 14, an outlet of the micro pump 12 is connected to an inlet of the plunger motor 11 through a relief valve 15, and an outlet of the plunger motor 11 is connected to an inlet of the fuel tank 14. The plunger motor 11 is designed, the rotating speed of the plunger motor is low, safe and reliable column detaching operation with large torque and small rotating speed can be realized, then the micro pump 12 and the motor 13 are matched, the motor 13 is used for the micro pump 12, the micro pump 12 is a pump with small flow, the micro pump 12 pumps liquid in the oil tank 14 to the plunger motor 11 through the overflow valve 15, and the overflow valve 15 is used for controlling the output torque of the plunger motor 11 to realize safe operation. In specific implementation, the plunger motor 11 adopts a five-plunger crankshaft connecting rod type hydraulic motor JMDG31-2500, the rated torque of the five-plunger crankshaft connecting rod type hydraulic motor is 9523 N.M, and the rotating speed range is controlled to be 2-250 r/min; the motor 13 adopts a three-phase asynchronous motor Y132S-4; the micro pump 12 adopts a quantitative axial plunger pump 25YCY 14-1B; the overflow valve 15 is 31.5MPa, and the rotating speed of the five-plunger crankshaft connecting rod type hydraulic motor is controlled within the range of 5-15r/min by configuring the micro pump 12. Generally speaking, most of the jacks are disassembled by only adjusting the input pressure to 2-5 MPa. When a difficult-to-disassemble part which can not be disassembled under the pressure of 5MPa is encountered, the plunger motor 11 can automatically stop rotating, so that the situation that the torque is suddenly increased to cause the flat key to be cut off or the flat key to jump to form striking injury to operators is prevented. At this time, the parts difficult to disassemble are disassembled within a controllable range by gradually adjusting the input pressure while preparing for protection. If the guide sleeve is completely blocked, the guide sleeve cannot be disassembled even if the pressure is increased to 31MPa, and the guide sleeve is scrapped. Because, if the lifting jack is disassembled by using larger force, the hydraulic cylinder of the lifting jack can also damage the cylinder opening and can not be used, and simultaneously, the lifting jack can also cause damage to equipment and cause unnecessary threat to the safety of workers.

Further, as a specific embodiment of the vertical jack dismantling machine according to the present invention, as shown in fig. 1, a pilot operated valve 16 is connected between the relief valve 15 and the inlet of the plunger motor 11. The manual hydraulic control operation valve 16 is used for realizing the distribution and stop of the liquid inlet of the plunger motor 11, and simultaneously realizing the mutual switching of forward rotation and reverse rotation.

Further, as a specific embodiment of the vertical jack dismantling device according to the present invention, as shown in fig. 1 and 2, the bracket 9 is provided with a guide groove 17 for assembling and disassembling the wrench 10, the guide groove 17 is opened upward, and the disassembling wrench 10 moves up and down along a groove body of the guide groove 17. Firstly, the jack is matched with the disassembling wrench 10, then the disassembling wrench 10 is installed between the brackets 9 along the guide groove 17, and finally the jack is placed in the sleeve 7. The guide grooves 17 are provided to facilitate mounting and dismounting of the jack.

Further, as a specific embodiment of the vertical jack dismantling machine according to the present invention, as shown in fig. 3, a slot top 18 for changing the direction of the slot opening from upward to lateral is added to the top of the guide slot 17. The groove top 18 is added, so that the phenomenon that the spanner is jumped when a jack which is stuck due to serious disassembly corrosion is avoided or the spanner is not in place when the jack is placed is avoided, and the phenomenon that an observer is injured to form an accident is avoided.

Further, as a specific embodiment of the vertical jack dismantling device according to the present invention, as shown in fig. 4, the dismantling wrench 10 includes pressure plates 19 and support arms 20 disposed at both ends of the pressure plates 19, the support arms 20 are used for disposing the pressure plates 19 between the brackets 9, and the inner ring 5 of the pressure plate 19 is provided with a groove 21 for engaging with a convex portion of an upper portion of the jack.

Further, as a specific embodiment of the vertical jack mounting and dismounting machine according to the present invention, as shown in fig. 5, a surrounding block 22 is connected to an outer periphery of the pressure plate 19. The spanner is additionally provided with the enclosure 22 for preventing the flat key from splashing, and the flat key is prevented from being cut off when the disassembling force is too large, so that the flat key splashes to hurt people. The splash direction is changed through the enclosure 22, the flat key is prevented from directly flying to workers, and meanwhile, the flat key plays a role in buffering, the flying speed is reduced, and the injury is reduced.

Further, as a specific embodiment of the vertical jack assembling and disassembling machine according to the present invention, as shown in fig. 6, a conversion sleeve 23 is further disposed between the sleeve 7 and the inner ring 5 of the slewing bearing 3, at least two through holes are disposed on the conversion sleeve 23, and the number of the through holes on the sleeve 7 is the same as that of the conversion sleeve 23; a fixed pin shaft penetrates through the through holes, and the conversion sleeve 23 is connected with the inner ring 5 through a bolt 24. Sleeve 7 is connected with carousel bearing 3's inner circle 5, sleeve 7 is main stress point, so easy damage, when nevertheless changing sleeve 7, sleeve 7 is more loaded down with trivial details with carousel bearing 3's inner circle 5 dismantlement, and is inconvenient, so set up change sleeve 23 between sleeve 7 and carousel bearing 3's inner circle 5, through the round pin hub fixation between change sleeve 23 and the sleeve 7, it is comparatively convenient to make sleeve 7's change, and can change sleeve 7 according to the very heavy difference of repair, increase convenience and practicality.

Further, as a specific embodiment of the vertical jack dismounting and mounting machine according to the present invention, as shown in fig. 6, a spline housing 26 is provided between the conversion sleeve 23 and the inner ring 5 of the slewing bearing 3, the spline housing 26 is fitted to the inner ring 5, and the conversion sleeve 23, the spline housing 26 and the inner ring 5 are connected by a bolt 24. The spline housing 26 is provided to make the connection between the shift collar 23 and the bearing more secure and to facilitate the replacement of the shift collar 23 and the sleeve 7.

Further, as a specific embodiment of the vertical jack assembling and disassembling machine of the present invention, a baffle 25 is provided at the bottom of the sleeve 7. The bottom of the sleeve 7 is provided with a baffle 25 to prevent foreign objects from falling between the disc bearings 3 and affecting the normal operation of the disc bearings 3.

In the invention, the shape of the wrench 10 and the sleeve 7 can be changed by replacing the wrench 10 and the sleeve 7, so that the invention can be adapted to different hydraulic cylinders, jacks and the like.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a vertical jack dismouting machine which characterized in that: including vertical frame (1), be provided with slewing bearing (3) on working face (2) of vertical frame (1), outer lane (4) of slewing bearing (3) and working face (2) fixed connection of vertical frame (1), the lower extreme of working face (2) is connected with the drive arrangement that inner circle (5) of drive slewing bearing (3) are just reversing, the upper end of inner circle (5) is connected with sleeve (7) that are used for installing the jack, be provided with logical groove (8) of disassembling with the outstanding claw looks adaptation in jack lower part on sleeve (7), be provided with support (9) that are parallel to each other on working face (2), be provided with spanner (10) with the uide bushing looks joint of jack between support (9).

2. The vertical jack disassembly and assembly machine of claim 1, wherein: the driving device comprises a plunger motor (11), a micro pump (12), a motor (13) and an oil tank (14), wherein the micro pump (12) is driven by the motor (13), an inlet of the micro pump (12) is connected with an outlet of the oil tank (14), an outlet of the micro pump (12) is connected with an inlet of the plunger motor (11) through an overflow valve (15), and an outlet of the plunger motor (11) is connected with an inlet of the oil tank (14).

3. The vertical jack disassembly and assembly machine of claim 2, wherein: and a hydraulic control operating valve (16) is connected between the overflow valve (15) and the inlet of the plunger motor (11).

4. A vertical jack disassembly and assembly machine according to claim 1, 2 or 3 wherein: be provided with guide way (17) that the spanner (10) was disassembled in the assembly on support (9), guide way (17) opening sets up, disassemble spanner (10) and reciprocate along the cell body of guide way (17).

5. The vertical jack disassembly and assembly machine of claim 4, wherein: the top of the guide groove (17) is additionally provided with a groove top (18) which changes the direction of the groove opening from upward to lateral.

6. The vertical jack disassembly and assembly machine of claim 5, wherein: disassemble spanner (10) and include pressure disk (19) and support arm (20) of setting at pressure disk (19) both ends, support arm (20) are used for setting up pressure disk (19) between support (9), be provided with recess (21) that are used for with the convex part looks block of jack uide bushing on inner circle (5) of pressure disk (19).

7. The vertical jack disassembly and assembly machine of claim 6, wherein: the periphery of the pressure plate (19) is connected with a surrounding baffle (22).

8. The vertical jack disassembly and assembly machine of claim 7, wherein: a conversion sleeve (23) is further arranged between the sleeve (7) and the inner ring (5) of the turntable bearing (3), at least two through holes are formed in the conversion sleeve (23), and the number of the through holes in the sleeve (7) is the same as that of the through holes in the conversion sleeve (23); a fixed pin shaft penetrates through the through holes, and the conversion sleeve (23) is connected with the inner ring (5) through a bolt (24).

9. The vertical jack disassembly and assembly machine of claim 8, wherein: a spline sleeve (26) is arranged between the conversion sleeve (23) and the inner ring (5) of the turntable bearing (3), the spline sleeve (26) is matched with the inner ring (5), and the conversion sleeve (23), the spline sleeve (26) and the inner ring (5) are connected through a bolt (24).

10. The vertical jack disassembly and assembly machine of claim 9, wherein: the bottom of the sleeve (7) is provided with a baffle (25).