CN218716916U

CN218716916U - Hydraulic support convenient to remove

Info

Publication number: CN218716916U
Application number: CN202223056255.9U
Authority: CN
Inventors: 魏玉敏
Original assignee: Pingdingshan Tianhao Machinery Manufacturing Co ltd
Current assignee: Pingdingshan Tianhao Machinery Manufacturing Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a hydraulic support convenient to remove relates to colliery collection apparatus technical field, including the base, the middle part of base bottom has been seted up and has been accomodate the chamber, and the inside of accomodating the chamber is equipped with the removal subassembly, and the both sides of base bottom are the fixed backup pad that is equipped with a plurality of equidistance and sets up all, and the fixed first pneumatic cylinder that is equipped with three equidistance and sets up in middle part on base top, the inner wall sliding connection of first pneumatic cylinder has first telescopic link, and the top swing joint of first telescopic link has the back timber, the beneficial effects of the utility model are that: when the coal wall that drops when the top of back timber, the increase of the pressure that the back timber receives makes four third slide openings slide along four guide pin bushing surfaces respectively to extrude a plurality of second bumper shock absorbers, reset again after the shrink of a plurality of second bumper shock absorbers and make the pressure that the back timber receives obtain the buffering, and then improved this hydraulic support's protecting effect, and four guide bars cooperate the stability that can effectual assurance back timber with four second slide openings respectively.

Description

Hydraulic support convenient to remove

Technical Field

The utility model relates to a hydraulic support, in particular to hydraulic support convenient to remove belongs to colliery collection apparatus technical field.

Background

The hydraulic support is a hydraulic power device which generates supporting force by utilizing liquid pressure and realizes automatic movement to support and manage a top plate, and is indispensable supporting equipment for comprehensive mechanized coal mining. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all the supporting pieces of the hydraulic support and the resultant force of the external load of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock.

The 'hydraulic support' disclosed in the application number 'CN 202021261283.2' is also an increasingly mature technology, and comprises a rock-coal separation mechanism, wherein the rock-coal separation mechanism comprises: the base is arranged below the top beam, one end of the base is hinged with the lower surface of the top beam, the other end of the base extends towards the direction of the side protection plate, an accommodating cavity is defined in the base, and the cavity opening of the accommodating cavity faces the direction of the side protection plate; the partition plate is arranged in the accommodating cavity and is in sliding connection with the base; the driving device is arranged on the outer surface of the base and is in transmission connection with the partition plate; the jack is arranged on the upper surface of the base, and a mandril of the jack is hinged with the base. After hydraulic support supported the colliery top layer through the roof, accessible rock coal separating mechanism supported rock stratum or coal seam, can handle rock stratum or gather the coal seam to the rock stratum of rock coal separating mechanism below after supporting, and rock coal separating mechanism is articulated and accessible jack angle of adjustment and then adapt to different rock stratum or coal seam thickness with the back timber lower surface in addition, has excellent nimble suitability ", but the device still has following defect when in-service use.

1) The hydraulic support is inconvenient to move due to overlarge self gravity and is difficult to carry to a specified fixed point in the coal mining process;

2) When this hydraulic support carries out the operation in the colliery, the back timber passes through the jack and connects the regulation, when the back timber receives the coal wall or the coal cinder extrusion that drops, very easily impairs, and then reduces factor of safety in this hydraulic support use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic support convenient to remove to the removal of being not convenient for that proposes in solving above-mentioned background art, factor of safety is lower problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic support convenient to remove, includes the base, the middle part of base bottom has been seted up and has been accomodate the chamber, the inside of accomodating the chamber is equipped with the removal subassembly, the backup pad that the both sides of base bottom were all fixed and are equipped with a plurality of equidistance setting, the fixed first pneumatic cylinder that is equipped with three equidistance setting in middle part on base top, the inner wall sliding connection of first pneumatic cylinder has first telescopic link, the top swing joint of first telescopic link has the back timber, the both sides of back timber all articulate there is the guard plate, two the bottom of guard plate all is equipped with the protection component, and is three all fixed the cushion dish that is equipped with between first telescopic link and the back timber.

Preferably, the removal subassembly includes two first spouts, slide, four removal wheels, second pneumatic cylinder and second telescopic link, two the inner wall of accomodating the chamber both sides is seted up respectively to first spout, two sliding connection has the slide between the first spout, the four corners of slide bottom is all fixed to be equipped with and is removed the wheel, the fixed top of accomodating the intracavity portion that sets up of second pneumatic cylinder, the inner wall sliding connection of second pneumatic cylinder has the second telescopic link, the bottom and the slide fixed connection of second telescopic link.

Preferably, two the protection component all includes two connecting rods, two cylinders, two movable rods and two first slide openings, four the connecting rod articulates respectively in the both sides of two shield plate bottoms, four the surface of connecting rod all articulates there is the cylinder, four the movable rod articulates respectively in the middle part of two shield plate bottoms, four first slide opening, four have all been seted up to the inner wall of cylinder the movable rod respectively with four first slide opening sliding connection.

Preferably, the bottom ends of the four inner walls of the first sliding hole are fixedly provided with first shock absorbers, and the top ends of the four first shock absorbers are fixedly connected with the bottom ends of the four movable rods respectively.

Preferably, the four corners on the top of the base are all fixedly provided with guide rods, four the surface of each guide rod is connected with a sleeve and four in a sliding mode, the middle of each sleeve is provided with a second sliding hole which is connected with four guide rods in a sliding mode, four guide sleeves are fixedly arranged at the middle of the top of each sleeve, a third sliding hole and four guide sleeves are arranged on the inner wall of the four corners of the top beam, the guide sleeves are connected with four third sliding holes in a sliding mode and four second shock absorbers are fixedly arranged between the sleeves and the top beam, four cylinders which are arranged at equal intervals are fixedly arranged at the top of the base, and four piston rods of the cylinders are fixedly connected with the bottom ends of the four guide rods respectively.

Preferably, the inner walls of the two sides of the base are in threaded connection with two positioning pins.

Preferably, the fixed flush mounting plate that is equipped with in front of base, flush mounting plate's surface is equipped with first pneumatic cylinder switch, second pneumatic cylinder switch and cylinder switch respectively, and is three first pneumatic cylinder, second pneumatic cylinder and four cylinders are respectively through first pneumatic cylinder switch, second pneumatic cylinder switch and power electric connection.

Compared with the prior art, the utility model provides a pair of hydraulic support convenient to remove has following beneficial effect:

1. the sliding plate slides on the inner walls of the two first sliding grooves by extending a second telescopic rod in a second hydraulic cylinder, so that the four moving wheels support the hydraulic support to facilitate carrying of the hydraulic support by workers;

2. when the coal wall falling off when the coal mine collapses falls to the top end of the top beam, the pressure borne by the top beam is increased to enable the four third sliding holes to slide along the surfaces of the four guide sleeves respectively, so that the plurality of second shock absorbers are extruded, the plurality of second shock absorbers are contracted and then reset to buffer the pressure borne by the top beam, the protection effect of the hydraulic support is further improved, and the four guide rods are matched with the four second sliding holes respectively to effectively ensure the stability of the top beam;

3. when the stone whereabouts striking when two surfaces of shielding board, two shielding board receipts stone make four movable rods slide at the inner wall of four first slide openings respectively after bumping, reset again after four first bumper shock absorbers shrink and make the impact force that two shielding boards received can cushion, and then improved this hydraulic support's life, further improved this hydraulic support's protective effect simultaneously, make the factor of safety of this hydraulic support exploitation in-process improve.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the guide bar of the present invention;

fig. 4 is a schematic view of the cross-section enlarged structure of the column body of the present invention.

In the figure: 1. a base; 2. a receiving cavity; 3. a moving assembly; 4. a support plate; 5. a first hydraulic cylinder; 6. a first telescopic rod; 7. a top beam; 8. a shield plate; 9. a guard assembly; 10. a guide bar; 11. a sleeve; 12. a second slide hole; 13. a guide sleeve; 14. a third slide hole; 15. a second shock absorber; 16. positioning pins; 17. a switch panel; 18. a cylinder; 19. a cushion pan; 31. a first chute; 32. a slide plate; 33. a moving wheel; 34. a second hydraulic cylinder; 35. a second telescopic rod; 91. a connecting rod; 92. a cylinder; 93. a movable rod; 94. a first slide hole; 941. a first shock absorber.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the utility model provides a hydraulic support convenient to move, including a base 1, a containing cavity 2 is provided at the middle part of the bottom end of the base 1, a moving component 3 is provided inside the containing cavity 2, a plurality of support plates 4 are fixed at both sides of the bottom end of the base 1, three first hydraulic cylinders 5 are fixed at the middle part of the top end of the base 1, the inner wall of the first hydraulic cylinder 5 is connected with a first telescopic rod 6 in a sliding manner, the top end of the first telescopic rod 6 is movably connected with a top beam 7, both sides of the top beam 7 are hinged with shield plates 8, the bottom ends of the two shield plates 8 are provided with protective components 9, and a cushion pad 19 is fixed between the three first telescopic rods 6 and the top beam 7;

guide rods 10 are fixedly arranged at four corners of the top end of the base 1, sleeves 11 are slidably connected to the surfaces of the four guide rods 10, second sliding holes 12 which are slidably connected with the four guide rods 10 respectively are formed in the middles of the four sleeves 11, guide sleeves 13 are fixedly arranged at the middles of the top ends of the four sleeves 11, third sliding holes 14 are formed in the inner walls of four corners of the top beam 7, the four guide sleeves 13 are slidably connected with the four third sliding holes 14 respectively, three second shock absorbers 15 are fixedly arranged between the four sleeves 11 and the top beam 7, four cylinders 18 which are arranged at equal intervals are fixedly arranged at the top end of the base 1, piston rods of the four cylinders 18 are fixedly connected with the bottom ends of the four guide rods 10 respectively, the top ends of the four guide rods 10 are moved to positions slightly lower than the coal wall through the four cylinders 18, when a coal wall which falls off when a coal mine collapses drops to the top end of the top beam 7, the pressure borne by the top beam 7 is increased to enable the four third sliding holes 14 to slide along the surfaces of the four guide sleeves 13 respectively, so as to extrude the plurality of the second shock absorbers 15, and the plurality of the second shock absorbers 15 are restored to buffer the pressure borne by the top beam 7 after the plurality of the second shock absorbers 15 are contracted;

the inner walls of the two sides of the base 1 are in threaded connection with two positioning pins 16, and the two positioning pins 16 are screwed into the ground, so that the stability of the hydraulic support during mining can be effectively improved;

referring to fig. 1-4, a hydraulic support convenient to move further comprises a moving assembly 3, the moving assembly 3 comprises two first sliding chutes 31, a sliding plate 32, four moving wheels 33, a second hydraulic cylinder 34 and a second telescopic rod 35, the two first sliding chutes 31 are respectively arranged on the inner walls of the two sides of the accommodating cavity 2, the sliding plate 32 is connected between the two first sliding chutes 31 in a sliding manner, the moving wheels 33 are fixedly arranged at four corners of the bottom end of the sliding plate 32, the second hydraulic cylinder 34 is fixedly arranged at the top end inside the accommodating cavity 2, the second telescopic rod 35 is connected on the inner wall of the second hydraulic cylinder 34 in a sliding manner, and the bottom end of the second telescopic rod 35 is fixedly connected with the sliding plate 32;

a switch panel 17 is fixedly arranged on the front side of the base 1, a first hydraulic cylinder switch, a second hydraulic cylinder switch and a cylinder switch are respectively arranged on the surface of the switch panel 17, and the three first hydraulic cylinders 5, the three second hydraulic cylinders 34 and the four cylinders 18 are respectively electrically connected with a power supply through the first hydraulic cylinder switch, the second hydraulic cylinder switch and the cylinder switch;

specifically, as shown in fig. 2, first, the second hydraulic cylinder switch on the surface of the switch panel 17 is turned on, and the second telescopic rod 35 inside the second hydraulic cylinder 34 is extended to slide the sliding plate 32 on the inner walls of the two first sliding grooves 31, so that the four moving wheels 33 support the hydraulic bracket, and the worker can carry the hydraulic bracket conveniently.

Example 2:

the two protection assemblies 9 respectively comprise two connecting rods 91, two columns 92, two movable rods 93 and two first sliding holes 94, the four connecting rods 91 are respectively hinged to two sides of the bottom ends of the two shield plates 8, the columns 92 are respectively hinged to the surfaces of the four connecting rods 91, the four movable rods 93 are respectively hinged to the middle parts of the bottom ends of the two shield plates 8, the first sliding holes 94 are respectively formed in the inner walls of the four columns 92, and the four movable rods 93 are respectively in sliding connection with the four first sliding holes 94;

the bottom ends of the inner walls of the four first sliding holes 94 are all fixedly provided with first shock absorbers 941, the top ends of the four first shock absorbers 941 are respectively and fixedly connected with the bottom ends of the four movable rods 93, and the impact force exerted on the two shield plates 8 can be effectively buffered through the four first shock absorbers 941, so that the shock resistance and the service life of the two shield plates 8 are improved;

specifically, as shown in fig. 1, 2 and 4, when the top beam 7 is lifted up by extending the three first telescopic rods 6 on the inner walls of the three first hydraulic cylinders 5, the top beam 7 moves to drive the two shield plates 8 and the four connecting rods 91 to rotate, when a stone falls and collides with the surfaces of the two shield plates 8, the two shield plates 8 absorb the stone and then make the four movable rods 93 slide on the inner walls of the four first sliding holes 94 respectively, and the four first shock absorbers 941 are retracted and then reset to buffer the impact force applied to the two shield plates 8, thereby prolonging the service life of the hydraulic support.

The working principle is as follows: when the hydraulic support convenient to move is used, firstly, the second hydraulic cylinder switch on the surface of the switch panel 17 is opened, the second telescopic rod 35 in the second hydraulic cylinder 34 is extended to enable the sliding plate 32 to slide on the inner walls of the two first sliding grooves 31, so that the four moving wheels 33 support the hydraulic support to facilitate a worker to carry the hydraulic support, when the hydraulic device moves to a specified position, the sliding plate 32 moves upwards through contraction of the second telescopic rod 35, meanwhile, the four moving wheels 33 are accommodated in the accommodating cavity 2, the four support plates 4 support the hydraulic support, then the two positioning pins 16 are sequentially rotated to improve the stability between the hydraulic support and the ground, then the first hydraulic cylinder switch and the first hydraulic cylinder switch on the surface of the switch panel 17 are opened, the piston rods of the three first telescopic rods 6 on the inner wall of the three first hydraulic cylinders 5 and the four cylinders 18 are extended to enable the top beam 7 to be in contact with the coal wall, when the falling of the stone blocks hits the surfaces of the two shield plates 8, the four movable rods 93 respectively slide on the inner walls of the four first sliding holes 94 after the stone blocks are collided by the two shield plates 8, and the four first dampers 941 restore to buffer the impact force applied to the two shield plates 8 after the stone blocks are collided by the two shield plates 8, and further the service life of the hydraulic support is prolonged.

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 hydraulic support convenient to remove, includes base (1), its characterized in that, the middle part of base (1) bottom has been seted up and has been accomodate chamber (2), the inside of accomodating chamber (2) is equipped with removal subassembly (3), backup pad (4) that a plurality of equidistance set up are all fixed to the both sides of base (1) bottom, the fixed first pneumatic cylinder (5) that are equipped with three equidistance setting in middle part on base (1) top, the inner wall sliding connection of first pneumatic cylinder (5) has first telescopic link (6), the top swing joint of first telescopic link (6) has back timber (7), the both sides of back timber (7) all articulate there are shield board (8), two the bottom of shield board (8) all is equipped with protection component (9), and is three all fixed be equipped with cushion dish (19) between first telescopic link (6) and back timber (7).

2. A portable hydraulic mount according to claim 1 wherein: remove subassembly (3) and include two first spouts (31), slide (32), four remove wheel (33), second pneumatic cylinder (34) and second telescopic link (35), two inner wall, two of accomodating chamber (2) both sides are seted up respectively in first spout (31) sliding connection has slide (32) between first spout (31), the four corners of slide (32) bottom is all fixed to be equipped with and removes wheel (33), the fixed top that sets up in accomodating chamber (2) inside in second pneumatic cylinder (34), the inner wall sliding connection of second pneumatic cylinder (34) has second telescopic link (35), the bottom and slide (32) fixed connection of second telescopic link (35).

3. A portable hydraulic mount according to claim 1 wherein: two protection component (9) all include two connecting rods (91), two cylinders (92), two movable rods (93) and two first slide opening (94), four connecting rod (91) articulates respectively in the both sides of two shielding plate (8) bottoms, four the surface of connecting rod (91) all articulates there is cylinder (92), four movable rod (93) articulates respectively at the middle part of two shielding plate (8) bottoms, four first slide opening (94), four have all been seted up to the inner wall of cylinder (92) movable rod (93) respectively with four first slide opening (94) sliding connection.

4. A portable hydraulic mount according to claim 3 wherein: four the bottom of first slide opening (94) inner wall is all fixed and is equipped with first bumper shock absorber (941), four the top of first bumper shock absorber (941) respectively with the bottom fixed connection of four movable rod (93).

5. A portable hydraulic mount according to claim 2 wherein: the four corners on base (1) top is all fixed and is equipped with guide bar (10), four the equal sliding connection in surface of guide bar (10) has sleeve (11), four second slide opening (12) with four guide bar (10) sliding connection respectively, four are all seted up at the middle part of sleeve (11) top all fixed guide pin bushing (13) that is equipped with in the middle part of sleeve (11) top, third slide opening (14) have all been seted up to the inner wall in back timber (7) four corners, four guide pin bushing (13) respectively with four third slide opening (14) sliding connection, four all fixedly be equipped with three second bumper shock absorbers (15) between sleeve (11) and back timber (7), the fixed cylinder (18) that are equipped with four equidistance settings in top of base (1), four the piston rod of cylinder (18) respectively with the bottom fixed connection of four guide bar (10).

6. A portable hydraulic mount according to claim 1 wherein: the inner walls of two sides of the base (1) are in threaded connection with two positioning pins (16).

7. A portable hydraulic mount according to claim 5 wherein: the front of base (1) is fixed and is equipped with flush mounting plate of switch (17), the surface of flush mounting plate of switch (17) is equipped with first pneumatic cylinder switch, second pneumatic cylinder switch and cylinder switch respectively, and is three first pneumatic cylinder (5), second pneumatic cylinder (34) and four cylinders (18) are respectively through first pneumatic cylinder switch, second pneumatic cylinder switch and power electric connection.