Supporting device of heading machine

Abstract

The utility model relates to the technical field of mining mechanical equipment, and discloses a heading machine supporting device which comprises a first protection plate, a second protection plate is arranged in the first protection plate in an inserted mode, first telescopic rods are arranged on the two sides in the first protection plate, the telescopic ends of the first telescopic rods are fixedly connected with one side of the second protection plate, and the second protection plate is fixedly connected with the second protection plate. First hydraulic supporting legs are arranged at the four corners of the bottom end of the first protection plate, and second hydraulic supporting legs are arranged at the four corners of the bottom end of the second protection plate. Compared with the prior art, the tunnel boring machine supporting device has the advantages that the tunnel boring machine supporting device is not connected with a tunnel boring machine, covers the tunnel boring machine, has a self-moving walking function, can effectively protect the tunnel boring machine, facilitates supporting of a top plate area, is large in supporting area, greatly improves safety of supporting operation, is large in supporting area, can be flexibly adjusted, and is convenient to use. And advance support is realized, so that a protection foundation is provided for preventing roof fall and wall caving accidents, and the operation requirements of the heading machine can be better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine mechanical equipment technical field, specifically point to a kind of heading machine supporting device. BACKGROUND

[0002] When heading machine is in the heading operation of broken stratum, often meet the problem such as stratum broken, loose, unstable. These problems are prone to cause the stratum around heading machine to deform, even cause heading machine to be stuck, jam or collapse, etc., in order to increase the stability of stratum, effectively reduce the risk of stratum deformation and collapse, supporting equipment is often used to ensure that heading machine can safely and stably advance.

[0003] The traditional heading machine supporting device is directly installed at the front end of the heading machine by bolts, etc., during the heading process, the cutting head of the heading machine will continuously advance forward, and the supporting device can only cover a limited area in front of the heading machine. When the heading depth increases, the supporting device may not be able to cover the newly exposed roof area in time, resulting in that the roof is exposed for too long, increasing the risk of roof falling and injuring people. SUMMARY

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is that the traditional supporting device is directly fixed above the cutting head of the heading machine, the protection area is limited, and as the heading depth increases, it is not convenient to support the roof area, and there is a risk of roof falling and injuring people.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a heading machine supporting device, which comprises a first protective plate, a second protective plate is inserted and connected in the first protective plate, first telescopic rods are arranged on both sides of the first protective plate, the telescopic ends of the first telescopic rods are fixedly connected with one side of the second protective plate, first hydraulic legs are arranged at the bottom corners of the first protective plate, second hydraulic legs are arranged at the bottom corners of the second protective plate, an inclined and storable forepoling plate is arranged on one side of the first protective plate, a telescopic extension plate is inserted and connected in the forepoling plate, second telescopic rods are hingedly connected at both ends of one side of the bottom end of the first protective plate, and the telescopic ends of the second telescopic rods are hingedly connected with the forepoling plate.

[0008] As an improvement, the bottom ends of the first protective plate are provided with sliding grooves on both sides, and the second hydraulic legs on one side pass through the sliding grooves and are slidably connected with the sliding grooves.

[0009] As an improvement, the bottom end of the advance support plate is provided with a pair of fixed plates, one side of the fixed plate is provided with a motor, a screw rod that is rotatably connected and driven by the motor is provided between the fixed plates, a threaded moving block is provided on the screw rod, the bottom end of the advance support plate is provided with a through slot, the bottom end of the extension plate is provided with a slider that passes through the through slot and extends to the outside, and one side of the slider is fixedly connected to the moving block.

[0010] As an improvement, the bottom ends of the first hydraulic support leg and the second hydraulic support leg are both provided with reinforcement blocks.

[0011] 3. Beneficial Effects

[0012] The advantages of this utility model compared with the prior art are:

[0013] 1. Through the first protective plate, the second protective plate, the first telescopic rod, the first hydraulic support leg, the second hydraulic support leg and the sliding groove, it is not connected to the tunnel boring machine and is covered on the outside of the tunnel boring machine. It has the function of self-movement and walking, which can effectively protect the tunnel boring machine and facilitate the support of the roof area. The support area is large, which greatly improves the safety of the support operation. In addition, the support area is large and can be flexibly adjusted.

[0014] 2. Advanced support is achieved through the advanced support plate, extension plate, second telescopic rod, fixed plate, motor, screw, moving block, through groove and slider, providing a protective basis for preventing roof collapse and spalling accidents, so that it can better adapt to the operating needs of the tunnel boring machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of a tunnel boring machine support device of the utility model. Figure One .

[0016] Figure 2 This is a three-dimensional schematic diagram of a tunnel boring machine support device of the utility model. Figure Two .

[0017] Figure 3 The utility model is a schematic cross-sectional structural diagram of a tunnel boring machine supporting device.

[0018] Figure 4 The utility model is a tunnel boring machine support device Figure 2 A magnified detail of part A.

[0019] Figure 5 The utility model is a tunnel boring machine support device Figure 2 A magnified detail of part B.

[0020] As shown in the figure: 1. First protective plate; 2. Second protective plate; 3. First telescopic rod; 4. First hydraulic support leg; 5. Second hydraulic support leg; 6. Sliding groove; 7. Reinforcement block; 8. Advance support plate; 9. Extension plate; 10. Second telescopic rod; 11. Fixed plate; 12. Motor; 13. Screw; 14. Moving block; 15. Through groove; 16. Slider. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Example 1

[0023] Combined with attachment Figure 1 , Attachment Figure 2 and attached Figure 3 A tunnel boring machine support device includes a first protective plate 1, a second protective plate 2 is inserted into the first protective plate 1, first telescopic rods 3 are provided on both sides of the first protective plate 1, the telescopic end of the first telescopic rod 3 is fixedly connected to one side of the second protective plate 2, first hydraulic support legs 4 are provided at the four corners of the bottom end of the first protective plate 1, and second hydraulic support legs 5 are provided at the four corners of the bottom end of the second protective plate 2.

[0024] Through the above structure, the first protective plate 1 and the second protective plate 2 can effectively protect the tunnel boring machine, facilitate the support of the top plate area, and have a large support area. As the first hydraulic support leg 4 contracts, the extension of the first telescopic rod 3 drives the first protective plate 1 forward to a suitable position. The first hydraulic support leg 4 extends to the ground, and then the second hydraulic support leg 5 is retracted. As the first telescopic rod 3 contracts, the second protective plate 2 is driven forward to realize the self-moving walking function.

[0025] Combined with attachment Figure 4 Sliding grooves 6 are provided on both sides of the bottom end of the first protective plate 1, and the second hydraulic support legs 5 on one side pass through the sliding grooves 6 respectively and are slidably connected to the sliding grooves 6.

[0026] Through the above structure, the second hydraulic support leg 5 moves in the sliding groove 6, which facilitates the extension and retraction of the second protective plate 2. The structure is simple and easy to implement.

[0027] Combined with attachment Figure 1 The bottom ends of the first hydraulic support leg 4 and the second hydraulic support leg 5 are both provided with reinforcement blocks 7.

[0028] Through the above structure, the reinforcing block 7 at the bottom end of the first hydraulic leg 4 and the second hydraulic leg 5 can increase the contact area of the first hydraulic leg 4, the second hydraulic leg 5 and the ground, and the overall stability is high.

[0029] Embodiment two

[0030] In combination with the accompanying drawings Figure 2 One side of the first protective plate 1 is provided with an inclined and storable advance support plate 8, a telescopic extension plate 9 is inserted and connected in the advance support plate 8, both ends of the bottom side of the first protective plate 1 are hingedly provided with second telescopic rods 10, and the telescopic ends of the second telescopic rods 10 are hingedly connected with the advance support plate 8.

[0031] Through the above structure, the advance support plate 8 can be unfolded or stored by shortening or lengthening the second telescopic rod 10, and the advance support plate 8 can be adjusted to any angle position to realize advance support.

[0032] In combination with the accompanying drawings Figure 5 The bottom end of the advance support plate 8 is provided with a pair of fixed plates 11, a motor 12 is arranged on one side of the fixed plate 11, a screw rod 13 driven by the motor 12 is rotatably connected between the fixed plates 11, a movable block 14 is threadedly connected on the screw rod 13, a through slot 15 is arranged at the bottom end of the advance support plate 8, a sliding block 16 extending to the outside through the through slot 15 is arranged at the bottom end of the extension plate 9, and one side of the sliding block 16 is fixedly connected with the movable block 14.

[0033] Through the above structure, the motor 12 drives the screw rod 13 to rotate, the movable block 14 on the screw rod 13 is limited by the through slot 15 and the sliding block 16, and can drive the extension plate 9 to extend out or retract into the advance support plate 8, the structure is simple, convenient to adjust, provides a protection basis for preventing roof falling and rib falling accidents, and makes it better adapt to the operation requirements of the roadheader.

[0034] In the specific implementation of the utility model:

[0035] The overall support device is erected under the mine, after the coal is cut by the roadheader, the first hydraulic leg 4 is retracted, the four corner second hydraulic legs 5 stand on the ground, the first telescopic rod 3 is lengthened to drive the first protective plate 1 to move forward to a suitable position, the first hydraulic leg 4 is lengthened to the ground, then the second hydraulic leg 5 is retracted, with the retraction of the first telescopic rod 3, the second protective plate 2 is driven to move forward, the support device is moved forward, and the self-moving walking is realized.

[0036] The overall and the roadheader are not connected, and the overall is covered outside the roadheader, has the self-moving walking function, can effectively protect the roadheader, is convenient for supporting the roof area, has large support area, greatly improves the safety of support operation, and the support area is large, and can be flexibly adjusted.

[0037] Then, the motor 12 is started, the motor 12 drives the screw rod 13 to rotate, the moving block 14 on the screw rod 13 can drive the extension plate 9 to extend or retract into the advance support plate 8 under the limiting of the through groove 15 and the sliding block 16, the structure is simple, convenient to adjust, realizes the advance support, provides protection basis for preventing roof falling and rib falling accidents, and makes it better adapt to the operation demand of the heading machine.

[0038] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0040] The above describes the present application and its embodiments, which is not restrictive, and the shown in the drawings is only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A tunneling machine supporting device, comprising a first protective plate (1), characterized in that: a second protective plate (2) is inserted into the first protective plate (1), both sides of the first protective plate (1) are provided with first telescopic rods (3), the telescopic ends of the first telescopic rods (3) are fixedly connected with one side of the second protective plate (2), the bottom end of the first protective plate (1) is provided with first hydraulic legs (4) at four corners, and the bottom end of the second protective plate (2) is provided with second hydraulic legs (5) at four corners. One side of the first protective plate (1) is provided with a tilting and storable forepoling plate (8), the forepoling plate (8) is inserted with a telescopic extension plate (9), both ends of the bottom end of the first protective plate (1) are hingedly provided with second telescopic rods (10), and the telescopic ends of the second telescopic rods (10) are hingedly connected with the forepoling plate (8).

2. A heading machine support device according to claim 1, characterised in that: Both sides of the bottom end of the first protective plate (1) are provided with sliding grooves (6), and the second hydraulic legs (5) on one side pass through the sliding grooves (6) and are in sliding connection with the sliding grooves (6).

3. A support device for a heading machine according to claim 1, characterized in that: The bottom end of the forepoling plate (8) is provided with a pair of fixed plates (11), one side of the fixed plate (11) is provided with a motor (12), the fixed plates (11) are rotatably connected and driven by the motor (12), the screw rod (13) is provided on the fixed plates (11), the movable block (14) is threadedly connected on the screw rod (13), the bottom end of the forepoling plate (8) is provided with a through groove (15), the bottom end of the extension plate (9) is provided with a sliding block (16) passing through the through groove (15) and extending to the outside, and one side of the sliding block (16) is fixedly connected with the movable block (14).

4. A heading machine support device according to claim 1, characterised in that: The bottom end of the first hydraulic leg (4) and the second hydraulic leg (5) is provided with a reinforcing block (7).

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