CN212563303U - Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate - Google Patents
Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate Download PDFInfo
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- CN212563303U CN212563303U CN202021369659.1U CN202021369659U CN212563303U CN 212563303 U CN212563303 U CN 212563303U CN 202021369659 U CN202021369659 U CN 202021369659U CN 212563303 U CN212563303 U CN 212563303U
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Abstract
The utility model discloses a positive four-bar linkage transitional caving coal hydraulic support with double movable side guard plates, which comprises a support main body, a first supporting plate, a supporting component, an installation block and a dust removal component, wherein the outer wall of one side of the support main body is rotatably connected with the first supporting plate, and the supporting components are fixed on the inner walls of the two sides of the first supporting plate; the support assembly comprises an accommodating groove, a sliding groove, a spring, a movable plate, a sliding block, a rotating groove, a rotating plate, a groove, a cylinder and a second lug block, the accommodating groove is formed in the inner wall of one side of the first support plate, the movable plate is symmetrically mounted on the inner wall of one side of the accommodating groove, the support device is adopted in the coal mine support, the stress area of the support can be increased, the damage to the support caused by the fact that stress supporting points are concentrated on one point is avoided, the support is not beneficial to supporting an underground coal mine, and the safety effect of the coal mine is improved; and a dust removal device is also adopted, so that dust near the bracket can be automatically collected, and a certain heat dissipation effect is achieved.
Description
Technical Field
The utility model relates to a hydraulic support equipment field specifically is a positive four-bar linkage area double activity side guard plate's transition caving coal hydraulic support.
Background
The hydraulic support for caving the coal is developed on the basis of the hydraulic support of the common longwall working face, the functions of the control basic item, the maintenance of the direct roof, the self-moving and the pushing conveyor are the same, but the functions of the top coal caving mechanism, the stress of the bracket, the head discharge bracket, the dust fall and other aspects are different, the transition caving coal hydraulic support with the positive four-bar linkage and the double movable side guard plates is also one of the hydraulic supports, but the bearing area of the existing caving coal hydraulic support is generally fixed, so that the bearing force is concentrated on the bracket, the bracket is damaged to a certain degree due to the overlarge stress area, the supporting effect of the bracket is not facilitated, and a dust removal device is not generally arranged, so that a great amount of dust can not be cleaned in an underground coal mine, and the air flow can increase by a wide margin, can reduce the inside temperature in colliery in the pit, make things convenient for the workman to carry out work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positive four-bar linkage area double activity side guard plate's transition caving coal hydraulic support increases the stress area of support and the radiating characteristics of convenient dust removal.
The purpose of the utility model can be realized by the following technical scheme:
a positive four-connecting-rod transition caving coal hydraulic support with double movable side guard plates comprises a support main body, a first supporting plate, a supporting assembly, a mounting block and a dust removal assembly, wherein the first supporting plate is rotatably connected to the outer wall of one side of the support main body, and the supporting assembly is fixed on the inner walls of two sides of the first supporting plate;
the supporting component comprises an accommodating groove, a sliding groove, a spring, a movable plate, a sliding block, a rotating groove, a rotating plate, a groove, an air cylinder and a second lug block, the accommodating groove is formed in one side inner wall of the first supporting plate, the movable plate is symmetrically installed on one side inner wall of the accommodating groove, the sliding blocks are welded and fixed on the two side outer walls of the movable plate, the sliding groove is formed in the two side inner walls of the accommodating groove corresponding to the sliding blocks, the spring is welded and fixed on one side inner wall of the sliding groove, the other end of the spring is welded on the outer wall of the sliding block, the rotating groove is formed in one side outer wall of the movable plate, the rotating plate is rotatably connected to one side inner wall of the rotating groove, the second lug block is welded and fixed on the bottom outer wall of the rotating plate, the groove is symmetrically formed in the bottom inner wall of the accommodating groove, and the outer, and the telescopic link one end of cylinder rotates to be connected on the outer wall of second ear piece, welded fastening has the installation piece on one side inner wall of support main part, be fixed with the dust removal subassembly on one side inner wall of installation piece.
As a further aspect of the present invention: the dust removal component comprises a connecting groove, a motor, a first gear, a rotating rod, a second gear, a draught fan, a connecting rod, a communicating hole and a filter screen, the inner wall of one side of the mounting block is distributed with a connecting groove, the inner wall of one side of the connecting groove is provided with an induced draft fan, a connecting rod is welded and fixed on the outer wall between the induced draft fans, a communicating hole is arranged on the inner wall between the connecting grooves corresponding to the connecting rod, a rotating rod is welded and fixed on the outer wall of the induced draft fan at the other side of the connecting rod, the other end of the rotating rod is rotatably connected to the inner wall of the connecting groove, a second gear is fixedly arranged on the outer wall of the rotating rod, which is positioned on one side of the induced draft fan, the outer wall of the bottom end of the second gear is engaged and connected with a first gear, the inner wall of one side of the connecting groove is embedded and installed with a motor, and the inside that the output shaft one end rigid coupling of motor has first gear, the spread groove is located welded fastening on the inner wall of draught fan one side and has the filter screen.
As a further aspect of the present invention: the support main part is located the outer wall of first backup pad one side and rotates and be connected with the second backup pad.
As a further aspect of the present invention: the symmetrical welded fastening has first ear piece on the top outer wall of installation piece, it is connected with the pneumatic cylinder to rotate on the outer wall between the first ear piece, and the one end of pneumatic cylinder telescopic link rotates to be connected on the outer wall of first backup pad and second backup pad.
As a further aspect of the present invention: the bearing is installed with the rotation junction of spread groove to the dwang.
As a further aspect of the present invention: the motor is a positive and negative rotation motor.
The utility model has the advantages that: by adopting the supporting device, the stress area of the support can be increased, and the damage of the support caused by the stress pivot being concentrated at one point is avoided, so that the underground coal mine is not favorably supported, and the safety effect of the coal mine is improved;
still adopted dust collector, can automatic collection support nearby dust to certain radiating effect has, degrades the inside temperature in colliery, improves staff's operational environment.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1 according to the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
fig. 4 is a side cross-sectional view of the support assembly of the present invention;
in the figure: 1. a stent body; 2. a first support plate; 3. a support assembly; 4. mounting blocks; 5. a dust removal assembly; 6. a second support plate; 7. a first ear piece; 8. a hydraulic cylinder; 31. a receiving groove; 32. a chute; 33. a spring; 34. moving the plate; 35. a slider; 36. a rotating groove; 37. a rotating plate; 38. a groove; 39. a cylinder; 310. a second ear piece; 51. connecting grooves; 52. a motor; 53. a first gear; 54. rotating the rod; 55. a second gear; 56. an induced draft fan; 57. a connecting rod; 58. a communicating hole; 59. and (5) filtering by using a filter screen.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, a positive four-bar linkage transition caving coal hydraulic support with double movable side guard plates comprises a support main body 1, a first support plate 2, a support component 3, a mounting block 4 and a dust removal component 5, wherein the first support plate 2 is rotatably connected to the outer wall of one side of the support main body 1, and the support components 3 are fixed to the inner walls of the two sides of the first support plate 2; the supporting component 3 comprises a containing groove 31, a sliding groove 32, a spring 33, a moving plate 34, a sliding block 35, a rotating groove 36, a rotating plate 37, a groove 38, a cylinder 39 and a second lug block 310, the containing groove 31 is arranged on the inner wall of one side of the first supporting plate 2, the moving plate 34 is symmetrically arranged on the inner wall of one side of the containing groove 31, the sliding block 35 is welded and fixed on the outer wall of two sides of the moving plate 34, the sliding groove 32 is arranged on the inner wall of two sides of the containing groove 31 corresponding to the sliding block 35, the spring 33 is welded and fixed on the inner wall of one side of the sliding groove 32, the other end of the spring 33 is welded on the outer wall of the sliding block 35, the rotating groove 36 is arranged on the outer wall of one side of the moving plate 34, the rotating plate 37 is rotatably connected on the inner wall of one side of the rotating groove 36, the second lug block 310 is welded and fixed on the outer wall of the bottom end of the rotating, one end of a telescopic rod of the air cylinder 39 is rotatably connected to the outer wall of the second lug block 310, an installation block 4 is fixedly welded on the inner wall of one side of the bracket main body 1, and a dust removal assembly 5 is fixedly arranged on the inner wall of one side of the installation block 4;
the dust removing component 5 comprises a connecting groove 51, a motor 52, a first gear 53, a rotating rod 54, a second gear 55, an induced draft fan 56, a connecting rod 57, a communicating hole 58 and a filter screen 59, the connecting groove 51 is distributed on the inner wall of one side of the mounting block 4, the induced draft fan 56 is mounted on the inner wall of one side of the connecting groove 51, the connecting rod 57 is welded and fixed on the outer wall between the induced draft fans 56, the communicating hole 58 is arranged on the inner wall between the connecting grooves 51 corresponding to the connecting rod 57, the rotating rod 54 is welded and fixed on the outer wall of the induced draft fan 56 positioned at the other side of the connecting rod 57, the other end of the rotating rod 54 is rotatably connected on the inner wall of the connecting groove 51, the second gear 55 is fixedly mounted on the outer wall of one side of the induced draft fan 54, the first gear 53 is connected on the outer wall at the bottom end of the second, a filter screen 59 is fixedly welded on the inner wall of the connecting groove 51 at one side of the induced draft fan 56, so that dust near the bracket main body 1 can be automatically collected, a certain heat dissipation effect is achieved, the temperature in a coal mine is degraded, and the working environment of workers is improved;
the outer wall of the bracket main body 1 at one side of the first supporting plate 2 is rotatably connected with a second supporting plate 6, so that the stress area of the bracket main body 1 is increased again, and the supporting effect is improved;
a bearing is arranged at the rotary connection position of the rotating rod 54 and the connecting groove 51, so that the induced draft fan 56 can conveniently rotate;
the motor 52 is a forward and reverse rotation motor, so that the induced draft fan 56 can conveniently rotate in forward and reverse directions, and the dust collection range is enlarged.
The utility model discloses a theory of operation: firstly, placing a bracket main body 1 at the bottom of an underground coal mine, starting a hydraulic cylinder 8 to rotate along a first lug block 7 to enable a first supporting plate 2 and a second supporting plate 6 to rotate, then supporting the top of the coal mine, starting an air cylinder 39 to enable a rotating plate 37 to rotate along a rotating groove 36 in a moving plate 34 when supporting, enabling the rotating plate 37 to support the top end of the coal mine, then continuing to extend the air cylinder 39 to enable a sliding block 35 on the rotating plate 37 to move outwards along a sliding groove 32 in a containing groove 31, so that the stress area of the support is increased, when the bracket main body is not used, under the action of a spring 33, enabling the sliding block 35 on the rotating plate 37 to move inwards along the sliding groove 32 in the containing groove 31 to avoid the rotating plate 37 occupying space, and when the bracket main body is used, starting an induced draft fan 56 to enable dust near the bracket main body 1 to rapidly flow, and then absorbing through a filter screen 59, at this time, the motor 52 is started to rotate the first gear 53, then the second gear 55 is rotated, one induced draft fan 56 is driven to rotate in a forward and reverse rotation manner in a small amplitude through the rotating rod 54, and the other induced draft fan 56 is driven to rotate in a forward and reverse rotation manner in a small amplitude under the action of the connecting rod 57 and the communicating hole 58, so that the dust collection range is enlarged.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A positive four-connecting-rod transition caving coal hydraulic support with double movable side guard plates is characterized by comprising a support main body (1), a first supporting plate (2), a supporting component (3), an installation block (4) and a dust removal component (5), wherein the first supporting plate (2) is rotatably connected to the outer wall of one side of the support main body (1), and the supporting components (3) are fixed on the inner walls of the two sides of the first supporting plate (2);
the supporting component (3) comprises an accommodating groove (31), a sliding groove (32), a spring (33), a movable plate (34), a sliding block (35), a rotating groove (36), a rotating plate (37), a groove (38), a cylinder (39) and a second lug block (310), the accommodating groove (31) is formed in one side inner wall of the first supporting plate (2), the movable plate (34) is symmetrically installed on one side inner wall of the accommodating groove (31), the sliding block (35) is fixedly welded on the outer walls of the two sides of the movable plate (34), the sliding groove (32) is formed in the inner walls of the two sides of the accommodating groove (31) corresponding to the sliding block (35), the spring (33) is fixedly welded on the inner wall of one side of the sliding groove (32), the other end of the movable plate (33) is welded on the outer wall of the sliding block (35), the rotating groove (36) is formed in the outer wall of one side of the movable plate (34), the rotating plate (37) is rotatably connected on the inner, welded fastening has second ear piece (310) on the bottom outer wall of rotor plate (37), it sets up fluted (38) to accomodate the symmetry on the bottom inner wall of groove (31), rotate on the outer wall that is connected with cylinder (39) on the one side inner wall of recess (38), and the telescopic link one end of cylinder (39) rotates and connects on the outer wall of second ear piece (310), welded fastening has installation piece (4) on the one side inner wall of support main part (1), be fixed with dust removal subassembly (5) on the one side inner wall of installation piece (4).
2. The hydraulic support for transitional caving coal with four connecting rods and two movable side guard plates according to claim 1, wherein the dust removing component (5) comprises a connecting groove (51), a motor (52), a first gear (53), a rotating rod (54), a second gear (55), an induced draft fan (56), connecting rods (57), a communicating hole (58) and a filter screen (59), the connecting groove (51) is distributed on the inner wall of one side of the mounting block (4), the induced draft fan (56) is installed on the inner wall of one side of the connecting groove (51), the connecting rod (57) is welded and fixed on the outer wall between the induced draft fans (56), the communicating hole (58) is arranged on the corresponding connecting rod (57) on the inner wall between the connecting grooves (51), the rotating rod (54) is welded and fixed on the outer wall of the other side of the connecting rod (57), and the other end of the rotating rod (54) is rotatably connected on the inner wall of the connecting groove (51, dwang (54) are located fixed mounting on the outer wall of draught fan (56) one side has second gear (55), the meshing is connected with first gear (53) on the bottom outer wall of second gear (55), inlay on one side inner wall of spread groove (51) and install motor (52), and the output shaft one end rigid coupling of motor (52) has the inside of first gear (53), welded fastening has filter screen (59) on spread groove (51) are located the inner wall of draught fan (56) one side.
3. The positive four-bar linkage hydraulic support for transitional caving coal with double movable side guard plates according to claim 1, characterized in that a second support plate (6) is rotatably connected to the outer wall of the support body (1) on one side of the first support plate (2).
4. The positive four-bar linkage transition caving coal hydraulic support with double movable side guard plates according to claim 1, characterized in that first lug blocks (7) are symmetrically welded and fixed on the outer wall of the top end of the mounting block (4), a hydraulic cylinder (8) is rotatably connected on the outer wall between the first lug blocks (7), and one end of a telescopic rod of the hydraulic cylinder (8) is rotatably connected on the outer walls of the first supporting plate (2) and the second supporting plate (6).
5. The positive four-bar linkage transition caving coal hydraulic support with double movable side guard plates according to claim 2, characterized in that a bearing is installed at the rotary connection position of the rotating rod (54) and the connecting groove (51).
6. The positive four-bar linkage transition caving coal hydraulic support with double movable side guards as claimed in claim 2, wherein said motor (52) is a counter-rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369659.1U CN212563303U (en) | 2020-07-13 | 2020-07-13 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369659.1U CN212563303U (en) | 2020-07-13 | 2020-07-13 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563303U true CN212563303U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021369659.1U Active CN212563303U (en) | 2020-07-13 | 2020-07-13 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
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| Country | Link |
|---|---|
| CN (1) | CN212563303U (en) |
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2020
- 2020-07-13 CN CN202021369659.1U patent/CN212563303U/en active Active
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