Auxiliary supporting device for heading machine

Abstract

The utility model discloses an auxiliary supporting device for a heading machine, which relates to the technical field of heading equipment and comprises a supporting column, a cross beam and a top beam. The cross beam is located between the two supporting columns which are connected in the left-right direction, first sleeve rods are arranged at the two ends of the lower portion of the cross beam, first sleeve bases matched with the first sleeve rods are arranged on the two opposite sides of the two supporting columns which are connected in the left-right direction, and the first sleeve rods are inserted into the first sleeve bases; shearing frames are arranged between the two connected cross beams and between the two supporting columns connected front and back, connecting bases are arranged on the cross beams and the supporting columns, and each end of each shearing frame is detachably connected with the corresponding connecting base through a bolt; the supporting column, the cross beam, the top beam, the shearing frame, the cross beam, the adjustable supporting rod and the telescopic rod can be disassembled and assembled, a worker can disassemble and maintain the supporting structure conveniently in the later period, a spiral inserting rod is inserted into the position below the earth surface, and therefore the whole device is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling equipment, in particular to an auxiliary supporting device for a tunneling machine. Background Art

[0002] Roadheaders refer to large-scale mechanical equipment used for tunneling in coal mines and non-coal mines. Their working mode is mainly composed of a traveling mechanism, a working mechanism, a loading mechanism and a transfer mechanism. As the traveling mechanism moves forward, the cutting head in the working mechanism continuously breaks up the rocks and transports the broken rocks away. They have the advantages of safety, high efficiency and good quality. However, due to their high cost, complex structure and high loss, in order to ensure safe excavation during the operation of the roadheader, auxiliary support devices will be arranged in the mine to ensure safe operation.

[0003] However, there are at least the following disadvantages in the use of the existing auxiliary support device for tunnel boring machines:

[0004] 1. The existing support device supports the top of the tunnel. Due to its overall structural design, it is not convenient for personnel to dismantle and maintain the support structure later;

[0005] 2. When the existing auxiliary device supports the tunnel boring machine, its bottom stability is poor, thus increasing the insecurity of the tunnel boring machine operation. Utility Model Content

[0006] The utility model aims to provide an auxiliary support device for a tunnel boring machine, which is easy to disassemble and maintain the support structure and makes the overall device more stable.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary support device for a tunnel boring machine, comprising a support column, a cross beam and a top beam; the cross beam is located between two left and right connected support columns, and first sets of rods are arranged at both ends below the cross beam, and first sets of seats adapted to the first sets of rods are arranged on opposite sides of the two left and right connected support columns, and the first sets of rods are inserted into the first sets of seats, and shear frames are arranged between the two connected cross beams and between the two front and rear connected support columns, and connecting seats are arranged on the cross beam and the support columns, and each end of the shear frame is detachably connected to the connecting seat by bolts; an adjustable support rod and a telescopic rod are arranged between the top beam and the cross beam, and the number of the adjustable support rod and the telescopic rod is not less than two;

[0008] A fixing seat is arranged below the supporting column, and the fixing seat is used for fixing the supporting column.

[0009] In order to enhance the stability performance of the auxiliary support device, as a preferred auxiliary support device for a tunnel boring machine of the utility model, a sleeve groove is provided at the top of the fixed seat, and the top of the support column is inserted into the sleeve groove; a groove is provided at the bottom of the fixed seat, and a spiral plug rod is arranged in the groove, and a threaded rod is arranged at the upper end of the spiral plug rod, and the upper end of the threaded rod is threaded through the groove and is provided with a rotating handle.

[0010] In order to improve the stability of the support column, as a preferred auxiliary support device for a tunnel boring machine of the utility model, longitudinal beams are provided on the upper and lower sides of the left and right shear frames, second sets of rods are provided on the front and rear sides of the bottom of the longitudinal beams, and second sets of seats matched with the second sets of rods are provided on the opposite sides of the two support columns connected front and back, and the second sets of rods are inserted in the second sets of seats.

[0011] In order to facilitate the adjustment of the top beam, as a preferred auxiliary support device for a tunnel boring machine of the utility model, top seats are provided at both upper and lower ends of the adjustable support rod, and the two top seats are respectively arranged at the top inside the top beam and the top of the cross beam by bolts.

[0012] In order to facilitate the adjustment of the length of the telescopic rod, as a preferred auxiliary support device for a tunnel boring machine of the utility model, the telescopic rod includes a first rod body and a second rod body; one end of the second rod body is located in the first rod body, and the first rod body and the second rod body are slidably connected, and mounting seats are provided on both sides opposite to the top beam and the cross beam, and the first rod body and the second rod body are detachably connected to the mounting seats at opposite ends by bolts.

[0013] In order to enhance the bearing strength of the top beam, as a preferred auxiliary support device for a tunnel boring machine of the utility model, horizontal plates are horizontally arranged on the left and right sides of the inner wall of the top beam, and reinforcing ribs fixedly connected to the inner wall of the top beam are arranged on the top of the horizontal plates.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model fixes the connecting seats on both sides of the front and rear support columns with the shear frame by bolts, so that the front and rear support columns are easily fixed. The first set of rods at the bottom of the crossbeam is set in the first set of seats, so that the left and right support columns are easily fixed. The top beam is set on the crossbeam by an adjustable support rod and a telescopic rod, and the lengths of the adjustable support rod and the telescopic rod can be adjusted. The height of the top beam is adjusted to make it easy for the top beam to support the top of the tunnel; and the support columns, crossbeams, top beams, shear frames, crossbeams, adjustable support rods and telescopic rods can all be disassembled and assembled, which is convenient for workers to disassemble and maintain the support structure in the later stage, thereby enhancing convenience.

[0016] 2. In the utility model, the bottom of the support column is inserted into the sleeve groove on the fixing seat, and the fixing seat increases the supporting area of ​​the bottom of the support column, thereby improving the bottom stability of the support column; by turning the rotating handle, the threaded rod drives the spiral insertion rod downward, and the spiral insertion rod is inserted under the ground surface, thereby making the overall device more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 AA structural diagram;

[0019] Figure 3 It is a structural schematic diagram of the feeding part of the utility model.

[0020] In the figure: 1. support column; 2. cross beam; 3. top beam; 4. first set of rods; 5. first set of seats; 6. shear frame; 7. connecting seat; 8. adjustable support rod; 9. telescopic rod; 10. fixed seat; 11. sleeve groove; 12. groove; 13. spiral plug rod; 14. threaded rod; 15. rotating handle; 16. longitudinal beam; 17. second set of rods; 18. second set of seats; 19. top seat; 20. first rod body; 21. second rod body; 22. mounting seat; 23. cross plate; 24. reinforcing ribs. DETAILED DESCRIPTION

[0021] See also Figures 1 to 3 , an auxiliary support device for a tunnel boring machine; comprising a support column 1, a cross beam 2, and a top beam 3; the cross beam 2 is located between two left and right connected support columns 1, and first sets of rods 4 are arranged at both ends below the cross beam 2, and first sets of seats 5 adapted to the first sets of rods 4 are arranged on opposite sides of the left and right connected support columns 1, and the first sets of rods 4 are inserted into the first sets of seats 5, and shear frames 6 are arranged between the two connected cross beams 2 and between the two front and rear connected support columns 1, and connecting seats 7 are arranged on the cross beam 2 and the support column 1, and each end of the shear frame 6 is detachably connected to the connecting seat 7 by bolts; an adjustable support rod 8 and a telescopic rod 9 are arranged between the top beam 3 and the cross beam 2, and the number of the adjustable support rod 8 and the telescopic rod 9 is not less than two;

[0022] A fixing seat 10 is arranged below the supporting column 1 , and the fixing seat 10 is used to fix the supporting column 1 .

[0023] In this embodiment: the fixing seat 10 enhances the stability of the support column 1; the connecting seat 7 on both sides of the front and rear support columns 1 is fixedly connected with the shear frame 6 by bolts, so that the front and rear support columns 1 are easily fixed. The first set of rods 4 at the bottom of the cross beam 2 is set in the first set of seats 5, which is easy to fix the left and right support columns 1. The top beam 3 is set on the cross beam 2 through an adjustable support rod 8 and a telescopic rod 9, and the lengths of the adjustable support rod 8 and the telescopic rod 9 can be adjusted to adjust the height of the top beam 3 so that the top beam 3 can easily support the top of the tunnel; the support column 1, the cross beam 2, the adjustable support rod 8 and the telescopic rod 9 are used to support the top beam 3, and a U-shaped auxiliary support device with an opening facing downward is formed between the support columns 1, the cross beam 2 and the top beam 3 on the left and right sides. The tunnel boring machine is located in the U-shaped auxiliary support device, which protects the tunnel boring machine; and the support column 1, the cross beam 2, the top beam 3, the shear frame 6, the cross beam 2, the adjustable support rod 8 and the telescopic rod 9 can all be disassembled and assembled, which is convenient for the workers to disassemble and maintain the support structure in the later stage, thereby enhancing the convenience performance.

[0024] As a technical optimization solution of the utility model, a sleeve groove 11 is provided at the top of the fixing seat 10, and the top of the support column 1 is inserted into the sleeve groove 11; a groove 12 is provided at the bottom of the fixing seat 10, and a spiral plug rod 13 is arranged in the groove 12, and a threaded rod 14 is arranged at the upper end of the spiral plug rod 13, and the upper end of the threaded rod 14 is threaded through the groove 12 and is provided with a rotating handle 15.

[0025] In this embodiment: the bottom of the support column 1 is inserted into the sleeve groove 11 on the fixing seat 10, and the fixing seat 10 increases the supporting area of ​​the bottom of the support column 1, thereby improving the bottom stability of the support column 1; by turning the rotating handle 15, the threaded rod 14 drives the spiral insertion rod 13 downward, and the spiral insertion rod 13 is inserted below the ground surface, thereby making the overall device more stable.

[0026] As a technical optimization solution of the utility model, longitudinal beams 16 are provided on the upper and lower sides of the left and right shear frames 6, second sets of rods 17 are provided on the front and rear sides of the bottom of the longitudinal beams 16, and second sets of seats 18 compatible with the second sets of rods 17 are provided on the opposite sides of the two front and rear connected support columns 1, and the second sets of rods 17 are inserted into the second sets of seats 18.

[0027] In this embodiment: the second rod 17 at the bottom of the longitudinal beam 16 is sleeved in the second seat 18, and the longitudinal beam 16 strengthens the stability of the front and rear support columns 1, and at the same time, enhances the overall stability of the auxiliary support device.

[0028] As a technical optimization solution of the utility model, top seats 19 are provided at both upper and lower ends of the adjustable support rod 8, and the two top seats 19 are respectively provided at the top inside the top beam 3 and the top of the cross beam 2 by bolts.

[0029] In this embodiment: the top seats 19 at the upper and lower ends of the adjustable support rod 8 are fixed to the top beam 3 and the cross beam 2 by bolts, and the height of the adjustable support rod 8 is adjusted, and the height of the top beam 3 is further easily adjusted;

[0030] It should be noted that the adjustable support rod 8 adopts the existing technology.

[0031] As a technical optimization solution of the utility model, the telescopic rod 9 includes a first rod body 20 and a second rod body 21; one end of the second rod body 21 is located in the first rod body 20, and the first rod body 20 and the second rod body 21 are slidably connected, and mounting seats 22 are provided on both sides opposite to the top beam 3 and the cross beam 2, and the first rod body 20 and the second rod body 21 are detachably connected to the mounting seats 22 by bolts at opposite ends.

[0032] In this embodiment: the telescopic rod 9 supports the top beam 3, and the length of the telescopic rod 9 can be adjusted. A rotating knob is provided on the outer wall of the first rod body 20. After the length of the telescopic rod 9 is adjusted, the rotating knob is tightly attached to the outer wall of the second rod body 21, which can limit the sliding of the second rod body 21. At the same time, the telescopic rod 9 can be disassembled by rotating the bolt, which makes it easy to disassemble and maintain the supporting structure at a later time.

[0033] As a technical optimization solution of the utility model, horizontal plates 23 are horizontally arranged on the left and right sides of the inner wall of the top beam 3 , and reinforcing ribs 24 fixedly connected to the inner wall of the top beam 3 are arranged on the top of the horizontal plates 23 .

[0034] In this embodiment, a plurality of reinforcing ribs 24 are provided between the transverse plate 23 and the top beam 3 to further enhance the bearing strength of the top beam 3 .

[0035] Working principle: The fixing seat 10 enhances the stability of the support column 1; the connecting seat 7 on both sides of the front and rear support columns 1 is fixedly connected with the shear frame 6 by bolts, so that the front and rear support columns 1 can be easily fixed. The first set of rods 4 at the bottom of the crossbeam 2 is set in the first set of seats 5, which is easy to fix the left and right support columns 1. The top beam 3 is set on the crossbeam 2 through the adjustable support rod 8 and the telescopic rod 9, and the lengths of the adjustable support rod 8 and the telescopic rod 9 can be adjusted. The height of the top beam 3 is adjusted, so that the top beam 3 can easily support the top of the tunnel. ; and the support column 1, cross beam 2, top beam 3, shear frame 6, cross beam 2, adjustable support rod 8 and telescopic rod 9 can all be disassembled and assembled, which is convenient for workers to disassemble and maintain the support structure in the later stage, enhancing convenience; the bottom of the support column 1 is inserted into the sleeve groove 11 on the fixed seat 10, and the fixed seat 10 increases the supporting area of ​​the bottom of the support column 1 and improves the bottom stability of the support column 1; turn the rotating handle 15, the threaded rod 14 drives the spiral insertion rod 13 downward, and the spiral insertion rod 13 is inserted below the ground surface, so that the overall device is more stable.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary support device for a tunnel boring machine, characterized in that: The invention comprises a support column (1), a cross beam (2) and a top beam (3); the cross beam (2) is located between two support columns (1) connected to the left and right, and first rods (4) are arranged at both ends below the cross beam (2); first seats (5) adapted to the first rods (4) are arranged on opposite sides of the two support columns (1) connected to the left and right, and the first rods (4) are inserted into the first seats (5); a shearing frame (6) is arranged between the two connected cross beams (2) and between the two support columns (1) connected to the front and back; a connecting seat (7) is arranged on the cross beam (2) and the support column (1), and each end of the shearing frame (6) is detachably connected to the connecting seat (7) by bolts; an adjustable support rod (8) and a telescopic rod (9) are arranged between the top beam (3) and the cross beam (2), and the number of the adjustable support rod (8) and the telescopic rod (9) is not less than two; A fixing seat (10) is provided below the support column (1), and the fixing seat (10) is used to fix the support column (1).

2. The auxiliary support device for a tunnel boring machine according to claim 1, characterized in that: The top of the fixing seat (10) is provided with a sleeve groove (11), and the top of the support column (1) is inserted into the sleeve groove (11); the bottom of the fixing seat (10) is provided with a groove (12), and a spiral insertion rod (13) is arranged in the groove (12), and a threaded rod (14) is arranged at the upper end of the spiral insertion rod (13), and the upper end of the threaded rod (14) is threaded through the groove (12) and is provided with a rotating handle (15).

3. The auxiliary support device for a tunnel boring machine according to claim 1, characterized in that: Longitudinal beams (16) are arranged on the upper and lower sides of the left and right shear frames (6), and second sets of rods (17) are arranged on the front and rear sides of the bottom of the longitudinal beams (16). Second sets of seats (18) adapted to the second sets of rods (17) are arranged on the opposite sides of the two front and rear connected support columns (1), and the second sets of rods (17) are inserted into the second sets of seats (18).

4. The auxiliary support device for a tunnel boring machine according to claim 1, characterized in that: Top seats (19) are provided at both upper and lower ends of the adjustable support rod (8), and the two top seats (19) are respectively arranged on the top of the top beam (3) and the top of the cross beam (2) by bolts.

5. The auxiliary support device for a tunnel boring machine according to claim 1, characterized in that: The telescopic rod (9) comprises a first rod body (20) and a second rod body (21); one end of the second rod body (21) is located inside the first rod body (20), and the first rod body (20) and the second rod body (21) are slidably connected; mounting seats (22) are provided on opposite sides of the top beam (3) and the cross beam (2); and opposite ends of the first rod body (20) and the second rod body (21) are detachably connected to the mounting seats (22) by bolts.

6. The auxiliary support device for a tunnel boring machine according to claim 1, characterized in that: Transverse plates (23) are horizontally arranged on the left and right sides of the inner wall of the top beam (3), and reinforcing ribs (24) fixedly connected to the inner wall of the top beam (3) are arranged on the top of the transverse plates (23).

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