Advanced support capable of automatically moving together with reversed loader

Abstract

A forepoling capable of automatically moving together with a reversed loader comprises a first cross beam and a second cross beam, the first cross beam is relatively and fixedly connected with the reversed loader, the horizontal height of the first cross beam can be increased or decreased relative to the reversed loader, and the second cross beam can linearly slide relative to the first cross beam. The first beam is integrally connected with the reversed loader, the second beam linearly slides relative to the first beam, the moving direction of the second beam is the same as the moving direction of the reversed loader, and the horizontal height of the second beam can be increased or decreased relative to the first beam. And therefore, the fixed position relationship with the reversed loader can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of mining machinery, in particular to an advance support which moves automatically together with a transfer machine. Background Art

[0002] my country's "Coal Mine Safety Regulations" (2022 edition) clearly stipulates that support must be strengthened within the range of advance pressure influence at all safety exits and tunnel connections of the coal mining face, and the length of the tunnel with strengthened support must not be less than 20m, especially for transport tunnels equipped with transfer machines and crushers.

[0003] For example, a Chinese invention patent with authorization announcement number CN102454410B discloses a support equipment for coal mines, including a front frame, a rear frame, a hydraulic propulsion cylinder and a hydraulic support, the front frame including more than two front top beams and more than two front supporting beams, front supporting beams are arranged side by side under the front top beams, one front supporting beam connects more than two front top beams, and a hydraulic support is provided under the front frame; the rear frame includes more than two rear top beams and more than two rear supporting beams, rear supporting beams are arranged side by side under the rear top beams, one rear supporting beam connects more than two rear top beams, and a hydraulic support is provided under the rear frame; the front top beams are spaced apart from the rear top beams, and a gap is provided between the front supporting beam and the rear supporting beam adjacent to the forward direction; one end of the hydraulic propulsion cylinder is connected to the front frame, and the other end of the hydraulic propulsion cylinder is connected to the rear frame.

[0004] The straightness of the existing advance support is difficult to control during movement, and it is difficult to ensure the positional relationship with the transfer machine. Summary of the invention

[0005] In view of this, in order to address the above-mentioned shortcomings, it is necessary to propose an advance support that moves with the transfer machine.

[0006] An advance support that moves together with a transfer machine includes a first crossbeam and a second crossbeam. The first crossbeam is fixedly connected to the transfer machine, and the horizontal height of the first crossbeam can be raised or lowered relative to the transfer machine. The second crossbeam can slide linearly relative to the first crossbeam. The moving direction of the second crossbeam is the same as the moving direction of the transfer machine, and the horizontal height of the second crossbeam can be raised or lowered relative to the first crossbeam.

[0007] Preferably, the advance support also includes a drop block, the first crossbeam and the second crossbeam are arranged at the rear end of the transfer machine, the first crossbeam and the second crossbeam are arranged relatively parallel, there are two first crossbeams and two second crossbeams, the two second crossbeams are located between the two first crossbeams, two drop blocks are arranged at intervals on the first crossbeam or the second crossbeam, the drop blocks are the first drop block, the second drop block, the third drop block, and the fourth drop block in sequence from the rear end of the transfer machine to the front end of the transfer machine, and the upper surface of the drop block is connected to the lower surface of the first crossbeam or the second crossbeam.

[0008] Preferably, the first crossbeam includes a first small crossbeam No. 1 and a first small crossbeam No. 2, and the first small crossbeam No. 1 and the first small crossbeam No. 2 are hinged, and the second crossbeam includes a second small crossbeam No. 1 and a second small crossbeam No. 2, and the second small crossbeam No. 1 and the second small crossbeam No. 2 are hinged.

[0009] Preferably, the second crossbeam also includes a second small crossbeam No. 3, and the advanced support also includes a fourth telescopic member, the second small crossbeam No. 3 is hinged to the second small crossbeam No. 2, the second end of the fourth telescopic member is hinged to the second small crossbeam No. 2, and the first end of the fourth telescopic member is hinged to the second small crossbeam No. 3.

[0010] Preferably, the advance support also includes a gate-shaped bracket. Four gate-shaped brackets are provided at the rear end of the transfer machine. From the rear end of the transfer machine to the front end of the transfer machine, there are the first gate-shaped bracket, the second gate-shaped bracket, the third gate-shaped bracket, and the fourth gate-shaped bracket in sequence. The gate-shaped bracket includes a longitudinal beam and a first telescopic member. A first telescopic member is respectively provided on the lower surface of each end of the longitudinal beam. The longitudinal beam is perpendicular to the first cross beam and the second cross beam. The upper surfaces at both ends of the longitudinal beam of the first gate-shaped bracket are respectively connected to the lower surfaces of the first drop blocks of the two second cross beams, the upper surfaces at both ends of the longitudinal beam of the second gate-shaped bracket are respectively connected to the lower surfaces of the second drop blocks of the two first cross beams, the upper surfaces at both ends of the longitudinal beam of the third gate-shaped bracket are respectively connected to the lower surfaces of the third drop blocks of the two second cross beams, and the upper surfaces at both ends of the longitudinal beam of the fourth gate-shaped bracket are respectively connected to the lower surfaces of the fourth drop blocks of the two first cross beams.

[0011] Preferably, the advance support also includes four guide blocks, which are the first guide block, the second guide block, the third guide block and the fourth guide block respectively from the rear end to the front end of the transfer machine. The first guide block, the second guide block, the third guide block and the fourth guide block are respectively arranged on the upper surfaces of the longitudinal beams of the first gate-shaped bracket, the second gate-shaped bracket, the third gate-shaped bracket and the fourth gate-shaped bracket. The first guide block and the third guide block are slidably matched with the first cross beam, and the second guide block and the fourth guide block are slidably matched with the second cross beam.

[0012] Preferably, the door-shaped bracket also includes a second telescopic member and a column shoe, the first end of the first telescopic member is connected to the longitudinal beam, the second end of the first telescopic member is connected to the second end of the second telescopic member, and the first end of the second telescopic member is provided with a column shoe.

[0013] Preferably, the advance support also includes a connecting seat, and the first door-shaped bracket and the third door-shaped bracket are both connected to the loader via the connecting seat, and the connecting seat includes two U-shaped plates arranged relatively parallel to each other and two support columns arranged at the second end of the first telescopic member, and the U-shaped plate is fixed on the transfer machine, and the second end of the first telescopic member is located between the two U-shaped plates, and the two support columns are respectively overlapped on the two U-shaped plates to connect the first telescopic member relative to the transfer machine.

[0014] Preferably, the advanced support further comprises a third telescopic member, a second end of the third telescopic member is hinged to the longitudinal beam of the second door-shaped bracket, and a first end of the third telescopic member is hinged to the longitudinal beam of the third door-shaped bracket.

[0015] Preferably, three gate-shaped brackets are provided at the front end of the transfer machine, and along the rear end to the front end of the transfer machine are the fifth gate-shaped bracket, the sixth gate-shaped bracket, and the seventh gate-shaped bracket, respectively. The fifth gate-shaped bracket, the sixth gate-shaped bracket, and the seventh gate-shaped bracket are all connected to the transfer machine through a connecting seat.

[0016] Beneficial effect: The utility model connects the first beam and the transfer machine as a whole, and then designs the second beam to slide linearly relative to the first beam. During the movement, the first beam and the second beam always maintain straightness with the transfer machine, thereby ensuring a predetermined positional relationship with the transfer machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the front view of the advance support that moves together with the transfer machine.

[0018] Figure 2 It is a top view of the advance support that moves together with the transfer machine.

[0019] Figure 3 It is a right view of the advance support that moves together with the transfer machine.

[0020] Figure 4 It is a partial view of the connecting seat.

[0021] Figure 5 Schematic diagram of the distribution of the drop blocks.

[0022] In the figure: a transfer machine 10, a first cross beam 20, a second cross beam 30, a drop block 40, a fourth telescopic member 50, a door-shaped bracket 60, a longitudinal beam 61, a first telescopic member 62, a second telescopic member 63, a column shoe 64, a guide block 70, a connecting seat 80, a U-shaped plate 81, a support column 82, a limit plate 83, and a third telescopic member 90. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] See also Figures 1 to 3 The embodiment of the utility model provides an advance support that moves together with the transfer machine, including a first beam 20 and a second beam 30. The first beam 20 is relatively fixedly connected to the transfer machine 10, and the horizontal height of the first beam 20 can be increased or decreased relative to the transfer machine 10. The second beam 30 can slide linearly relative to the first beam 20. The moving direction of the second beam 30 is the same as the moving direction of the transfer machine 10, and the horizontal height of the second beam 30 can be increased or decreased relative to the first beam 20.

[0025] Beneficial effect: The utility model connects the first beam 20 and the transfer machine 10 as a whole, and then designs the second beam 30 to slide linearly relative to the first beam 20. During the movement, the first beam 20 and the second beam 30 always maintain straightness with the transfer machine 10, which can ensure the established position relationship with the transfer machine 10.

[0026] See also Figure 5 Further, the advance support also includes a drop block 40. The first beam 20 and the second beam 30 are arranged at the rear end of the transfer machine 10. The first beam 20 and the second beam 30 are arranged relatively parallel. There are two first beams 20 and two second beams 30. The two second beams 30 are located between the two first beams 20. Two drop blocks 40 are arranged at intervals on the first beam 20 or the second beam 30. The drop blocks 40 are the first drop block 40, the second drop block 40, the third drop block 40, and the fourth drop block 40 in sequence from the rear end of the transfer machine 10 to the front end of the transfer machine 10. The upper surface of the drop block 40 is connected to the lower surface of the first beam 20 or the second beam 30.

[0027] See also Figures 1 to 3 Further, the first crossbeam 20 includes a first small crossbeam No. 1 and a first small crossbeam No. 2, and the first small crossbeam No. 1 and the first small crossbeam No. 2 are hinged, and the second crossbeam 30 includes a second small crossbeam No. 1 and a second small crossbeam No. 2, and the second small crossbeam No. 1 and the second small crossbeam No. 2 are hinged.

[0028] See also Figures 1 to 3 Further, the second crossbeam 30 also includes the second small crossbeam No. 3, and the advance support also includes the fourth telescopic member 50. The second small crossbeam No. 3 is hinged to the second small crossbeam No. 2, the second end of the fourth telescopic member 50 is hinged to the second small crossbeam No. 2, and the first end of the fourth telescopic member 50 is hinged to the second small crossbeam No. 3.

[0029] See also Figures 1 to 3 Further, the advance support also includes a door-shaped bracket 60. Four door-shaped brackets 60 are provided at the rear end of the transfer machine 10. From the rear end of the transfer machine 10 to the front end of the transfer machine 10, there are the first door-shaped bracket 60, the second door-shaped bracket 60, the third door-shaped bracket 60, and the fourth door-shaped bracket 60. The door-shaped bracket 60 includes a longitudinal beam 61 and a first telescopic member 62. A first telescopic member 62 is provided on the lower surface of each end of the longitudinal beam 61. The longitudinal beam 61 is perpendicular to the first cross beam 20 and the second cross beam 30. The first door-shaped bracket 60 The upper surfaces at both ends of the longitudinal beam 61 are respectively connected to the lower surfaces of the first drop blocks 40 of the two second cross beams 30, the upper surfaces at both ends of the longitudinal beam 61 of the second gate-shaped bracket 60 are respectively connected to the lower surfaces of the second drop blocks 40 of the two first cross beams 20, the upper surfaces at both ends of the longitudinal beam 61 of the third gate-shaped bracket 60 are respectively connected to the lower surfaces of the third drop blocks 40 of the two second cross beams 30, and the upper surfaces at both ends of the longitudinal beam 61 of the fourth gate-shaped bracket 60 are respectively connected to the lower surfaces of the fourth drop blocks 40 of the two first cross beams 20.

[0030] See also Figures 1 to 3 Further, the advance support also includes four guide blocks 70, and the guide blocks 70 are respectively the first guide block 70, the second guide block 70, the third guide block 70, and the fourth guide block 70 along the rear end of the transfer machine 10 to the front end of the transfer machine 10. The first guide block 70, the second guide block 70, the third guide block 70, and the fourth guide block 70 are respectively arranged on the upper surfaces of the longitudinal beams 61 of the first door-shaped bracket 60, the second door-shaped bracket 60, the third door-shaped bracket 60, and the fourth door-shaped bracket 60. The first guide block 70 and the third guide block 70 are slidably matched with the first cross beam 20, and the second guide block 70 and the fourth guide block 70 are slidably matched with the second cross beam 30.

[0031] The first cross beam 20 or the second cross beam 30 slides relative to the two guide blocks 70 to ensure the straightness relative to the transfer machine 10 during the movement.

[0032] See also Figures 1 to 3 Further, the door-shaped bracket 60 also includes a second telescopic member 63 and a column shoe 64. The first end of the first telescopic member 62 is connected to the longitudinal beam 61, the second end of the first telescopic member 62 is connected to the second end of the second telescopic member 63, and the first end of the second telescopic member 63 is provided with a column shoe 64.

[0033] See also Figure 4 Further, the advance support also includes a connecting seat 80, through which the first door-shaped bracket 60 and the third door-shaped bracket 60 are connected to the loader, and the connecting seat 80 includes two U-shaped plates 81 arranged relatively parallel and two support columns 82 arranged at the second end of the first telescopic member 62, the U-shaped plate 81 is fixed on the transfer machine 10, the second end of the first telescopic member 62 is located between the two U-shaped plates 81, and the two support columns 82 are respectively overlapped on the two U-shaped plates 81 to connect the first telescopic member 62 relative to the transfer machine 10.

[0034] Exemplarily, a limit plate 83 is further provided between the two U-shaped plates 81, the limit plate 83 is perpendicular to the U-shaped plate 81, and a predetermined distance is maintained between the limit plate 83 and the second end of the first telescopic member 62, the predetermined distance being designed according to actual use conditions, and then the limit plate 83 is welded and fixed relative to the U-shaped plate 81. The limit plate 83 can limit the swing angle of the first telescopic member 62, play a mechanical limiting role, and increase stability.

[0035] See also Figures 1 to 3 Further, the advance support also includes a third telescopic member 90 , a second end of the third telescopic member 90 is hinged to the longitudinal beam 61 of the second door-shaped bracket 60 , and a first end of the third telescopic member 90 is hinged to the longitudinal beam 61 of the third door-shaped bracket 60 .

[0036] See also Figures 1 to 3 Furthermore, three gate-shaped brackets 60 are provided at the front end of the transfer machine 10, and along the rear end of the transfer machine 10 to the front end of the transfer machine 10 are the fifth gate-shaped bracket 60, the sixth gate-shaped bracket 60, and the seventh gate-shaped bracket 60, respectively. The fifth gate-shaped bracket 60, the sixth gate-shaped bracket 60, and the seventh gate-shaped bracket 60 are all connected to the transfer machine 10 through a connecting seat 80.

[0037] Exemplarily, the first cross beam 20 or the second cross beam 30 is rotatably connected to the drop block 40 .

[0038] Exemplarily, the first telescopic member 62 , the second telescopic member 63 , the third telescopic member 90 , and the fourth telescopic member 50 may be air cylinders or hydraulic cylinders.

[0039] Operation of the utility model's advanced support:

[0040] Connect the connection base 80 to the transfer machine 10;

[0041] Connect three door-shaped brackets 60 to the front end of the transfer machine 10, and connect two door-shaped brackets 60 to the rear end of the transfer machine 10;

[0042] The first three door-shaped brackets 60 and the two door-shaped brackets 60 connected to the first cross beam 20 are lowered, and the two door-shaped brackets 60 connected to the second cross beam 30 are in an elevated state. The distance by which the first cross beam 20 and the second cross beam 30 are elevated or lowered depends on the height of the drop block 40;

[0043] Driven by the transfer machine 10, the first beam 20 and the five door-shaped brackets 60 move forward a predetermined distance synchronously with the loader;

[0044] The first three door-shaped brackets 60 and the two door-shaped brackets 60 connected to the first cross beam 20 are raised, and the two door-shaped brackets 60 connected to the second cross beam 30 are lowered. Driven by the third telescopic member 90, the second cross beam 30 moves a predetermined distance toward the transfer machine 10 along the straight path determined by the two guide blocks 70;

[0045] The above process is repeated until the designated position is reached, and the seven gantry supports 60 are controlled to be in an elevated state, satisfying the advance support distance of 20 meters.

[0046] The relative up-and-down or forward-and-backward movement of the first beam 20 and the second beam 30 is similar to the design of the relative movement mechanism of the front frame and the rear frame in a coal mine support device disclosed in the Chinese invention patent with authorization announcement number CN102454410B.

[0047] It should be noted that the directions or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of description. They do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction.

[0048] The modules or units in the device of the embodiment of the utility model can be combined, divided and deleted according to actual needs.

[0049] The above disclosure is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An advance support that moves together with the transfer machine, characterized in that: It includes a first crossbeam and a second crossbeam. The first crossbeam is fixedly connected to the transfer machine. The horizontal height of the first crossbeam can be raised or lowered relative to the transfer machine. The second crossbeam can slide linearly relative to the first crossbeam. The moving direction of the second crossbeam is the same as the moving direction of the transfer machine. The horizontal height of the second crossbeam can be raised or lowered relative to the first crossbeam.

2. The advance support that moves together with the transfer machine as claimed in claim 1, characterized in that: The advanced support also includes a drop block. The first beam and the second beam are arranged at the rear end of the transfer machine. The first beam and the second beam are arranged in parallel with each other. There are two first beams and two second beams. The two second beams are located between the two first beams. Two drop blocks are arranged at intervals on the first beam or the second beam. The drop blocks are the first drop block, the second drop block, the third drop block, and the fourth drop block in sequence from the rear end of the transfer machine to the front end of the transfer machine. The upper surface of the drop block is connected to the lower surface of the first beam or the second beam.

3. The advance support that moves together with the transfer machine as claimed in claim 2 is characterized in that: The first crossbeam includes a first small crossbeam No. 1 and a first small crossbeam No. 2, and the first small crossbeam No. 1 and the first small crossbeam No. 2 are hinged. The second crossbeam includes a second small crossbeam No. 1 and a second small crossbeam No. 2, and the second small crossbeam No. 1 and the second small crossbeam No. 2 are hinged.

4. The advance support that moves together with the transfer machine as claimed in claim 3 is characterized in that: The second crossbeam also includes a second small crossbeam No. 3, and the advanced support also includes a fourth telescopic member. The second small crossbeam No. 3 is hinged to the second small crossbeam No. 2, the second end of the fourth telescopic member is hinged to the second small crossbeam No. 2, and the first end of the fourth telescopic member is hinged to the second small crossbeam No.

3.

5. The advance support that moves together with the transfer machine as claimed in claim 2, characterized in that: The advanced support also includes a gate-shaped bracket. Four gate-shaped brackets are arranged at the rear end of the transfer machine. From the rear end of the transfer machine to the front end of the transfer machine, there are the first gate-shaped bracket, the second gate-shaped bracket, the third gate-shaped bracket, and the fourth gate-shaped bracket. The gate-shaped bracket includes a longitudinal beam and a first telescopic member. A first telescopic member is respectively arranged on the lower surface of each end of the longitudinal beam. The longitudinal beam is perpendicular to the first cross beam and the second cross beam. The upper surfaces at both ends of the longitudinal beam of the first gate-shaped bracket are respectively connected to the lower surfaces of the first drop blocks of the two second cross beams, the upper surfaces at both ends of the longitudinal beam of the second gate-shaped bracket are respectively connected to the lower surfaces of the second drop blocks of the two first cross beams, the upper surfaces at both ends of the longitudinal beam of the third gate-shaped bracket are respectively connected to the lower surfaces of the third drop blocks of the two second cross beams, and the upper surfaces at both ends of the longitudinal beam of the fourth gate-shaped bracket are respectively connected to the lower surfaces of the fourth drop blocks of the two first cross beams.

6. The advance support that moves together with the transfer machine as claimed in claim 5, characterized in that: The advanced support also includes four guide blocks, which are the first guide block, the second guide block, the third guide block, and the fourth guide block from the rear end of the transfer machine to the front end of the transfer machine in sequence. The first guide block, the second guide block, the third guide block, and the fourth guide block are respectively arranged on the upper surfaces of the longitudinal beams of the first door-shaped bracket, the second door-shaped bracket, the third door-shaped bracket, and the fourth door-shaped bracket. The first guide block and the third guide block are slidably matched with the first cross beam, and the second guide block and the fourth guide block are slidably matched with the second cross beam.

7. The advance support that moves together with the transfer machine as claimed in claim 5, characterized in that: The door-shaped bracket also includes a second telescopic member and a column shoe. The first end of the first telescopic member is connected to the longitudinal beam, the second end of the first telescopic member is connected to the second end of the second telescopic member, and the first end of the second telescopic member is provided with a column shoe.

8. The advance support that moves together with the transfer machine as claimed in claim 5, characterized in that: The advanced support also includes a connecting seat, and the first door-shaped bracket and the third door-shaped bracket are both connected to the loader via the connecting seat. The connecting seat includes two U-shaped plates arranged relatively parallel to each other and two support columns arranged at the second end of the first telescopic member. The U-shaped plate is fixed on the transfer machine, and the second end of the first telescopic member is located between the two U-shaped plates. The two support columns are respectively overlapped on the two U-shaped plates to connect the first telescopic member relative to the transfer machine.

9. The advance support that moves together with the transfer machine as claimed in claim 5, characterized in that: The advanced support also includes a third telescopic member, a second end of the third telescopic member is hinged to the longitudinal beam of the second door-shaped bracket, and a first end of the third telescopic member is hinged to the longitudinal beam of the third door-shaped bracket.

10. The advance support that moves together with the transfer machine as claimed in claim 8, characterized in that: Three door-shaped brackets are provided at the front end of the transfer machine, and along the rear end to the front end of the transfer machine are the fifth door-shaped bracket, the sixth door-shaped bracket, and the seventh door-shaped bracket, respectively. The fifth door-shaped bracket, the sixth door-shaped bracket, and the seventh door-shaped bracket are all connected to the transfer machine through a connecting seat.

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