CN212918364U

CN212918364U - Device for quickly disassembling rocker arm end cover of coal mining machine

Info

Publication number: CN212918364U
Application number: CN202021108672.1U
Authority: CN
Inventors: 谷国胜
Original assignee: Daizhuang Coalmine Of Zibo Mining Group Co ltd
Current assignee: Daizhuang Coalmine Of Zibo Mining Group Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-04-09
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a device for rapidly disassembling a rocker arm end cover of a coal mining machine, which comprises a base, a support ring, a hydraulic cylinder, a fixing handle, a fixing mechanism, an adsorption disc, a motor base, a transmission mechanism and a disassembling mechanism, wherein the support ring is arranged at the lower end of the base, and the hydraulic cylinder is fixedly arranged at the lower end of the base, the adsorption disc is fixedly arranged at the lower end of the output end of the hydraulic cylinder, a plurality of small suckers are fixedly arranged at the lower end of the adsorption disc, the rocker arm end cover can be adsorbed by utilizing the small suckers, an expansion pipe with the diameter gradually reduced from top to bottom is fixedly arranged at the lower end of a transmission rod, the expansion pipe can be downwards moved to clamp a screw hole of the rocker arm end cover by rotating two bolts at the upper end of the expansion pipe, then the output end of the hydraulic cylinder is contracted, the problem of traditional end cover dismantlement mode fragile rocking arm end cover is solved.

Description

Device for quickly disassembling rocker arm end cover of coal mining machine

Technical Field

The utility model relates to a dismantle device of rocking arm end cover, in particular to dismantle device of coal-winning machine rocking arm end cover fast belongs to dismantlement rocking arm end cover technical field.

Background

The coal mining machine is one of important equipment for realizing mechanization and modernization of coal mine production, the coal mining machine is developed and evolved from a coal cutter, the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, a rocker arm of the coal mining machine is one of important components of the coal mining machine, a motor is installed in the rocker arm of the coal mining machine, an end cover is installed behind a motor shell, and the end cover is usually detached firstly during daily maintenance and repair of the rocker arm of the coal mining machine.

But present coal-winning machine rocking arm does not have special end cover instrument of pulling down usually, generally dismantles through tools such as iron hook, iron bar and screwdriver, uses the screwdriver earlier during the dismantlement to take off the screw on the end cover, then inserts the end cover gap department with the iron hook and pries the end cover open, this kind of dismantlement mode has the problem in two aspects, at first, the dismantlement process is too violent, easily causes the damage to the end cover shell, the speed of dismantling is slower in addition, the efficiency ratio is lower, need design a device of quick dismantlement coal-winning machine rocking arm end cover to this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dismantle device of coal-winning machine rocking arm end cover fast to propose in solving above-mentioned background and dismantle fragile rocking arm end cover and dismantle the slow problem of speed.

In order to achieve the above object, the utility model provides a following technical scheme:

a device for quickly disassembling an end cover of a rocker arm of a coal mining machine comprises a base, a support ring, a hydraulic cylinder, fixing handles, fixing mechanisms, an adsorption disc, a motor base, transmission mechanisms and a disassembling mechanism, wherein the support ring is arranged at the lower end of the base, the hydraulic cylinder is fixedly installed at the lower end of the base, the output end of the hydraulic cylinder is fixedly connected with the inner wall of the support ring, two fixing handles are fixedly installed at the two ends of the base, two fixing handles are fixedly installed on the inner wall of the two fixing handles, two fixing mechanisms are fixedly installed on the inner wall of the two fixing handles, the adsorption disc is fixedly installed at the lower end of the output end of the hydraulic cylinder, three motor bases are fixedly installed at the upper end of the support ring, three motor base side walls are fixedly installed with the transmission mechanisms, the three transmission mechanisms comprise motors, the fixed suit of second gear is at the transfer line outer wall, transfer line upper end fixed mounting has the fixed block, transfer line lower extreme fixed mounting has disassembly body, disassembly body includes the solid fixed cylinder, gu fixed cylinder upper end and transfer line lower extreme fixed connection, gu fixed cylinder lower extreme fixed mounting has screwdrivers blade, gu fixed cylinder upper end screw thread installs two bolts, gu the fixed cylinder upper end has the expansion pipe through two bolt fixed mounting.

As a preferred technical scheme of the utility model, fixed establishment includes clamping screw, clamping screw one end is run through fixedly double-phase relative wall and fixed lateral wall fixed connection, clamping screw one end cover is equipped with the nut, clamping screw other end cover is equipped with solid fixed ring, gu fixed ring keeps away from nut one end and installs the fixed disk through the clamping screw thread.

As an optimal technical scheme of the utility model, terminal surface fixed mounting has a plurality of small-size sucking discs under the adsorption disc, the shaft hole has been seted up to the adsorption disc middle part.

As a preferred technical scheme of the utility model, it has the rocking arm end cover to adsorb the dish lower extreme, screwdriver head stretches into in the screw hole of rocking arm end cover upper end.

As an optimal technical scheme of the utility model, it is three the relative mounted position of transfer line and the relative position one-to-one of rocking arm end cover screw.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, the utility model discloses at pneumatic cylinder output end lower extreme fixed mounting have the absorption dish, absorption dish lower extreme fixed mounting has a plurality of small-size sucking discs, utilize these small-size sucking discs can adsorb the rocking arm end cover, and at the transfer line lower extreme fixed mounting have the diameter from last gradually diminishing expansion pipe down, can make the expansion pipe move down the screw that blocks the rocking arm end cover through rotating two bolts of expansion pipe upper end, then make the pneumatic cylinder output shrink, dismantle the rocking arm end cover from the rocking arm through the fixed action of absorption dish and expansion pipe, the damage of whole dismantlement process to the rocking arm end cover is less, the problem that the rocking arm end cover is easily damaged in traditional end cover dismantlement mode is solved;

secondly, the utility model discloses a transfer line can rotate under the effect of motor, and the screwdriver head under the transfer line also can rotate thereupon together, only need insert the screw that corresponds with three screwdriver head during the dismantlement in, then rotate together and take out the screw, and it is higher than manual use screwdriver efficiency, has solved the slow problem of traditional end cover dismantlement mode dismantlement speed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal installation structure of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is a schematic structural view of the fixing mechanism of the present invention;

fig. 5 is a schematic view of the structure of the adsorption plate of the present invention.

In the figure: 1. a base; 2. a support ring; 3. a hydraulic cylinder; 4. a fixed handle; 5. a fixing mechanism; 6. an adsorption tray; 7. a motor base; 8. a transmission mechanism; 9. a disassembly mechanism; 10. a rocker arm end cap; 51. fixing the screw rod; 52. a nut; 53. a fixing ring; 54. fixing the disc; 61. a small-sized suction cup; 62. a shaft hole; 81. a motor; 82. a first gear; 83. a fixed block; 84. a second gear; 85. a transmission rod; 91. a fixed cylinder; 92. a screwdriver bit; 93. a bolt; 94. and (4) expanding the tube.

Detailed Description

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. 1-5, the utility model relates to a device for rapidly disassembling an end cover of a rocker arm of a coal mining machine, which comprises a base 1, a support ring 2, a hydraulic cylinder 3, fixing handles 4, fixing mechanisms 5, an adsorption disc 6, a motor base 7, a transmission mechanism 8 and a disassembling mechanism 9, wherein the lower end of the base 1 is provided with the support ring 2, the lower end of the base 1 is fixedly provided with the hydraulic cylinder 3, the output end of the hydraulic cylinder 3 is fixedly connected with the inner wall of the support ring 2, two fixing handles 4 for fixing the base 1 are fixedly arranged at the two ends of the base 1, two fixing mechanisms 5 are fixedly arranged on the inner walls of the two fixing handles 4, the adsorption disc 6 is fixedly arranged at the lower end of the output end of the hydraulic cylinder 3, three motor bases 7 are fixedly arranged at the upper end of the support ring 2, the transmission mechanisms 8 are fixedly, the output end of the motor 81 is fixedly provided with a first gear 82, one end of the first gear 82 is meshed with and provided with a second gear 84, the second gear 84 is fixedly sleeved on the outer wall of the transmission rod 85, the upper end of the transmission rod 85 is fixedly provided with a fixing block 83 for fixing the transmission rod 85, the lower end of the transmission rod 85 is fixedly provided with a dismounting mechanism 9, the dismounting mechanism 9 comprises a fixing cylinder 91, the upper end of the fixing cylinder 91 is fixedly connected with the lower end of the transmission rod 85, the lower end of the fixing cylinder 91 is fixedly provided with a screwdriver head 92, two bolts 93 are arranged on the upper end of the fixing cylinder 91 through threads of the two bolts 93, the upper end of the fixing cylinder 91 is fixedly provided with an expansion pipe 94 with a diameter gradually decreasing from top.

Wherein, fixed establishment 5 includes fixing screw 51, and fixing screw 51 one end is run through fixedly 4 two relative walls and is fixed 4 lateral wall fixed connection, and fixing screw 51 one end cover is equipped with nut 52, and fixing screw 51 other end cover is equipped with solid fixed ring 53, and solid fixed ring 53 is kept away from nut 52 one end and is installed fixed disk 54 through fixing screw 51 screw thread, realizes fixing 4 through the extrusion effect of two relative fixed disks 54 and fixes on the bracing piece.

Wherein, a plurality of small suckers 61 are fixedly arranged on the lower end surface of the adsorption disc 6, and a shaft hole 62 for a motor shaft to pass through is arranged in the middle of the adsorption disc 6.

Wherein, the lower end of the adsorption disc 6 is adsorbed with a rocker arm end cover 10, and the screwdriver head 92 extends into a screw hole at the upper end of the rocker arm end cover 10.

Wherein, the relative installation positions of the three transmission rods 85 correspond to the relative positions of the screw holes of the rocker arm end cover 10 one by one.

Principle of operation

The first step is as follows: the fixing handle 4 is fixed on the support rod through the relative extrusion action of the two fixing disks 54 of the fixing mechanism 5, the fixing handle 4 can also be operated without being held by the fixing mechanism 5, and then the three screwdriver heads 92 are correspondingly inserted into the screw holes of the rocker arm end cover 10 one by one;

the second step is that: starting the motor 81, driving the transmission rod 85 to rotate by the motor 81 through the first gear 82 and the second gear 84, rotating the screwdriver bit 92 at one end of the transmission rod 85 together with the rotation of the transmission rod 85, unloading the screw on the rocker arm end cover 10, closing the motor 81, retracting the output end of the hydraulic cylinder 3, and taking down the screw adsorbed on the screwdriver bit 92;

the third step: the output end of the hydraulic cylinder 3 extends out, the bolt 93 is rotated to enable the expansion pipe 94 to move downwards to clamp the screw hole of the rocker arm end cover 10, the small suckers 61 on the adsorption disc 6 are adsorbed on the outer wall of the rocker arm end cover 10, then the output end of the hydraulic cylinder 3 is contracted, and the rocker arm end cover 10 is detached from the rocker arm through the fixing effect of the adsorption disc 6 and the expansion pipe 94.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dismantle device of coal-winning machine rocking arm end cover fast, includes base (1), support ring (2), pneumatic cylinder (3), fixed (4), fixed establishment (5), adsorption disc (6), motor cabinet (7), drive mechanism (8) and disassembly body (9), its characterized in that: the lower end of the base (1) is provided with a support ring (2), the lower end of the base (1) is fixedly provided with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is fixedly connected with the inner wall of the support ring (2), two ends of the base (1) are fixedly provided with two fixed handles (4), two fixed handles (4) are fixedly provided with two fixed mechanisms (5), the lower end of the output end of the hydraulic cylinder (3) is fixedly provided with an adsorption disc (6), the upper end of the support ring (2) is fixedly provided with three motor bases (7), three side walls of the motor bases (7) are fixedly provided with transmission mechanisms (8), three transmission mechanisms (8) comprise motors (81), the side walls of the motors (81) are fixedly connected with the side walls of the motor bases (7), the output end of each motor (81) is fixedly provided with a first gear (82), one end of each first gear (82) is meshed, second gear (84) fixed suit is at transfer line (85) outer wall, transfer line (85) upper end fixed mounting has fixed block (83), transfer line (85) lower extreme fixed mounting has disassembly body (9), disassembly body (9) are including solid fixed cylinder (91), gu fixed cylinder (91) upper end and transfer line (85) lower extreme fixed connection, gu fixed cylinder (91) lower extreme fixed mounting has screw tool bit (92), gu fixed cylinder (91) upper end screw thread installs two bolt (93), gu fixed cylinder (91) upper end has expansion pipe (94) through two bolt (93) fixed mounting.

2. The device of claim 1 for rapidly disassembling an end cover of a rocker arm of a coal mining machine, which is characterized in that: fixed establishment (5) include clamping screw (51), clamping screw (51) one end is run through fixed (4) double-phase relative wall and fixed (4) lateral wall fixed connection, clamping screw (51) one end cover is equipped with nut (52), clamping screw (51) other end cover is equipped with solid fixed ring (53), gu fixed ring (53) keep away from nut (52) one end and install fixed disk (54) through clamping screw (51) screw thread.

3. The device of claim 1 for rapidly disassembling an end cover of a rocker arm of a coal mining machine, which is characterized in that: the end face of the lower end face of the adsorption disc (6) is fixedly provided with a plurality of small suckers (61), and the middle part of the adsorption disc (6) is provided with a shaft hole (62).

4. The device of claim 1 for rapidly disassembling an end cover of a rocker arm of a coal mining machine, which is characterized in that: the lower end of the adsorption disc (6) is adsorbed with a rocker arm end cover (10), and the screwdriver head (92) extends into a screw hole in the upper end of the rocker arm end cover (10).

5. The device of claim 1 for rapidly disassembling an end cover of a rocker arm of a coal mining machine, which is characterized in that: the relative installation positions of the three transmission rods (85) correspond to the relative positions of the screw holes of the rocker arm end cover (10) one by one.