Temporary supporting device suitable for driving working face

Abstract

The utility model relates to the technical field of tunneling roadway supporting devices, in particular to a temporary supporting device suitable for a tunneling working face, which comprises a main vertical arm, a base, a second hydraulic rod and a top supporting frame, the main vertical arm can be vertically supported in a roadway, the base is rotatably mounted at the bottom end of the main vertical arm, and the base can support the ground of the roadway. The top supporting frame is rotationally connected to the top end of the main vertical arm. According to the device, through the arrangement of the top supporting frames, the two devices are used in cooperation to form a door-shaped frame, when the device is unfolded, the base is located on the ground of a roadway, the second hydraulic rod drives the top supporting frames to deflect upwards, the top of the roadway is supported through the top supporting frames, and meanwhile the two top supporting frames in the same set abut against each other; therefore, the main vertical arm is reversely pushed to deflect towards the roadway wall, the two side walls of the roadway are supported through the side supporting frames, dismounting and transferring during temporary supporting are convenient, and meanwhile the top and the two sides of the roadway are convenient to support.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunneling roadway supporting device technical field, specifically a kind of temporary supporting device suitable for tunneling working face. BACKGROUND

[0002] Most of mine underground tunneling adopts the form of forepoling or pre-blasting anchor rod, pre-blasting anchor cable and the like after blasting, in the case of relatively broken rock and poor integrity, temporary supporting device is needed in the process of coal mining and tunneling to support the tunneling roadway, the existing temporary supporting device mainly supports the top of the roadway, and the supporting and protecting force of the two sides of the roadway is not high, and the existing supporting device occupies a large space, which is not conducive to the frequent disassembly and transfer of temporary support. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a temporary supporting device suitable for tunneling working face to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A temporary supporting device suitable for tunneling working face, comprising:

[0006] Main vertical arm, which can be vertically supported in the roadway;

[0007] Base, which is rotatably installed at the bottom end of the main vertical arm, and the base can support the ground of the roadway;

[0008] Top support frame, which is rotatably connected at the top end position of the main vertical arm, and the top support frame can support the top of the roadway;

[0009] Hydraulic rod two, which is installed between the top support frame and the main vertical arm, and the hydraulic rod two can drive the top support frame to deflect.

[0010] Further, the top support frame comprises an upper pressing rod, one end of the upper pressing rod is rotatably connected between the top end of the main vertical arm, a rocker arm is rotatably connected at the middle position of the upper pressing rod, one end of the rocker arm is rotatably connected with a contact frame, one end of the upper pressing rod is fixedly connected with a connecting rod, and one end of the hydraulic rod two is rotatably connected with the support arm one.

[0011] Further, a support spring is fixedly connected between the rocker arm and the inner wall of the upper pressing rod, one end of the rocker arm is rotatably connected with a rotating seat, and the top end of the rotating seat is fixedly connected with the bottom surface of the contact frame.

[0012] Further, a plurality of claw rod portions are equidistantly fixedly connected at one end of the top support frame, and a contact rod is fixedly connected at the outer side wall of one end of the rocker arm.

[0013] Further in, the extension line of the rocker arm is below the rotation shaft at one end of the upper pressing rod in the natural state of the supporting spring.

[0014] Further in, the top end of the main vertical arm is rotationally connected with a side support frame, and a plurality of hooks are equidistantly fixed to the bottom end of the side support frame.

[0015] Further in, the main vertical arm comprises a supporting arm one and a supporting arm two, the supporting arm one and the supporting arm two are slidably sleeved, a hydraulic cylinder one is fixedly installed between the supporting arm one and the supporting arm two, the hydraulic cylinder one is used for driving the supporting arm one to move up and down, the bottom end of the supporting arm two is rotationally connected with the base, the top end of the supporting arm one is rotationally connected with one end of the upper pressing rod, a hydraulic rod two is rotationally connected with the supporting arm one, and the top end of the supporting arm one is rotationally connected with the side support frame.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] 1. Through the setting of the top support frame, two devices are used to form a door-shaped frame, when unfolded, the base is placed on the roadway ground, the hydraulic rod two drives the top support frame to deflect upwards, the top support frame supports the top of the roadway, and the two top support frames of the same group are in contact with each other, thereby pushing the main vertical arm to deflect towards the wall in the opposite direction, and the side support frame supports the two side walls of the roadway, through the cooperation of the two devices, the device is convenient to disassemble, move and support the top and two sides of the roadway.

[0018] 2. Through the setting of the upper pressing rod and the rocker arm, when the hydraulic rod two drives the upper pressing rod to deflect upwards, the rocker arm first contacts the top wall of the roadway, and when the upper pressing rod continues to deflect upwards, the two rocker arms are in contact with each other through the contact rod, the rocker arm pushes the main vertical arm to deflect to the two sides in the opposite direction, thereby the side support frame supports the two sides of the roadway, and through the cooperation of the two devices, the volume of a single device is small, and when moving, the top support frame is driven downwards by the hydraulic rod two, so that the device is in the form of a long strip, occupies small space, and is convenient to move in the roadway. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the overall structure schematic view of the utility model;

[0020] Fig. 2 It is the structure schematic view of the utility model in the use state;

[0021] Fig. 3 It is the structure schematic view of the top support frame in the utility model;

[0022] Fig. 4 It is the structure schematic view of the base in the utility model;

[0023] Fig. 5 is the main vertical arm structure schematic diagram in the utility model;

[0024] Fig. 6 is the contact frame structure schematic diagram in the utility model.

[0025] In the drawing: 100, main vertical arm; 110, support arm one; 120, support arm two; 130, hydraulic cylinder one; 200, base; 300, hydraulic rod two; 400, side support frame; 410, hook; 500, top support frame; 510, upper pressing rod; 520, connecting rod; 530, rocker arm; 531, contact rod; 532, support spring; 540, rotating seat; 550, contact frame; 551, claw rod part. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figs. 1-5 In the embodiments of the utility model, a temporary support device suitable for the tunneling working face comprises a main vertical arm 100, a base 200, a hydraulic rod two 300 and a top support frame 500. The main vertical arm 100 can be vertically supported in the roadway. The base 200 is rotatably installed at the bottom end of the main vertical arm 100. The base 200 can support the ground of the roadway. The top support frame 500 is rotatably connected at the top end position of the main vertical arm 100. The top support frame 500 can support the top of the roadway. The hydraulic rod two 300 is installed between the top support frame 500 and the main vertical arm 100. The hydraulic rod two 300 can drive the top support frame 500 to deflect. The top end side of the main vertical arm 100 is rotatably connected with a side support frame 400. The bottom end of the side support frame 400 is equidistantly fixedly connected with a plurality of hooks 410.

[0028] Specifically, when in use, two devices are used in cooperation to form a group, forming a door-shaped frame. When unfolded, the base 200 is placed on the ground of the roadway. The hydraulic rod two 300 drives the top support frame 500 to deflect upward, so that the top of the roadway is supported by the top support frame 500. At the same time, the two top support frames 500 in the same group are in mutual contact, so as to reversely push the main vertical arm 100 to deflect toward the wall of the roadway, and support the two side walls of the roadway through the side support frame 400. Through the cooperation of the two devices, the disassembly, transfer, support of the top and two sides of the roadway during temporary support are facilitated.

[0029] Embodiment one

[0030] As Figs. 3-6 shown in the embodiment, the top support frame 500 includes an upper pressing rod 510, one end of the upper pressing rod 510 is rotationally connected with the top end of the main vertical arm 100, the middle position of the upper pressing rod 510 is rotationally connected with a rocker arm 530, one end of the rocker arm 530 is rotationally connected with a contact frame 550, one end of the upper pressing rod 510 is fixedly connected with a connecting rod 520, one end of the hydraulic rod two 300 is rotationally connected with the support arm one 110, the rocker arm 530 and the inner wall of the upper pressing rod 510 are fixedly connected with a support spring 532, one end of the rocker arm 530 is rotationally connected with a rotating seat 540, the top end of the rotating seat 540 is fixedly connected with the bottom surface of the contact frame 550, a plurality of claw rod portions 551 are equidistantly fixedly connected with one end of the top support frame 500, the outer side wall of one end of the rocker arm 530 is fixedly connected with a contact rod 531, when the support spring 532 is in a natural state, the extension line of the rocker arm 530 is located below the rotation shaft of one end of the upper pressing rod 510.

[0031] In the embodiment, when the upper pressing rod 510 is driven by the hydraulic rod two 300 to deflect upward, the rocker arm 530 first contacts the roadway top wall, and through the setting of the rotating seat 540, when the upper pressing rod 510 moves upward, the contact frame 550 is fitted with the roadway top wall. When in use, the hydraulic rod two 300 in the two devices of the same group is simultaneously driven, when the contact frame 550 is fitted with the top wall, the claw rod portions 551 in the two devices are staggered with each other, and when the upper pressing rod 510 continues to deflect upward, because the extension line of the rocker arm 530 is below the rotation shaft of one end of the upper pressing rod 510, the one end of the rocker arm 530 is pushed to move to the middle, until the two rocker arms 530 are abutted with each other through the contact rod 531, and then the upper pressing rod 510 continues to deflect upward, the main vertical arm 100 is reversely pushed by the rocker arm 530 to deflect to both sides, so that the two sides of the roadway are abutted and supported by the side support frame 400.

[0032] As Figs. 4-5 shown in the embodiment, the main vertical arm 100 includes the support arm one 110 and the support arm two 120, the support arm one 110 and the support arm two 120 are slidably sleeved, the hydraulic cylinder one 130 is fixedly installed between the support arm one 110 and the support arm two 120, the hydraulic cylinder one 130 is used to drive the support arm one 110 to move up and down, the bottom end of the support arm two 120 is rotationally connected with the base 200, the top end of the support arm one 110 is rotationally connected with one end of the upper pressing rod 510, the hydraulic rod two 300 is rotationally connected with the support arm one 110, the top end of the support arm one 110 is rotationally connected with the side support frame 400.

[0033] In specific implementation, the main vertical arm 100 is set to be actively telescopic, through the adjustment of the length of the main vertical arm 100, it is convenient to better adapt to the positions of different heights in the roadway, and it is convenient to use.

[0034] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.

[0035] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A temporary support device suitable for use in a face, characterised in that, The utility model provides a kind of tunnel support device, including: Main vertical arm (100) can be vertically supported in roadway; Base (200) is rotatably mounted at the bottom end of main vertical arm (100), and the base (200) can be supported with the ground of roadway; Top support frame (500) is rotatably connected at the top end position of main vertical arm (100), and the top support frame (500) can support the top of roadway; Hydraulic rod two (300) is installed between top support frame (500) and main vertical arm (100), and the hydraulic rod two (300) can drive top support frame (500) to deflect; The top support frame (500) includes upper pressing rod (510), one end of the upper pressing rod (510) is rotatably connected between the top end of main vertical arm (100), the middle position of the upper pressing rod (510) is rotatably connected with rocker arm (530), one end of the rocker arm (530) is rotatably connected with contact frame (550), one end of the upper pressing rod (510) is fixedly connected with connecting rod (520), and one end of the hydraulic rod two (300) is rotatably connected between support arm one (110); Support spring (532) is fixedly connected between rocker arm (530) and the inner wall of upper pressing rod (510), one end of the rocker arm (530) is rotatably connected with rotating seat (540), and the top end of the rotating seat (540) is fixedly connected with the bottom surface of contact frame (550); One end of the top support frame (500) is equidistantly fixedly connected with a plurality of claw rod parts (551), and one end of the rocker arm (530) is fixedly connected with contact rod (531) on the outer side wall.

2. A temporary support device for use in a face according to claim 1, characterised in that, When the support spring (532) is in a natural state, the extension line of the rocker arm (530) is located below the rotation shaft at one end of the upper pressing rod (510).

3. A temporary support device for use in a face according to claim 1, characterised in that, The top end side of the main vertical arm (100) is rotatably connected with side support frame (400), and the bottom end of the side support frame (400) is equidistantly fixedly connected with a plurality of hooks (410).

4. A temporary support device for use in a coal face according to claim 3 wherein, The main vertical arm (100) includes support arm one (110) and support arm two (120), the support arm one (110) and the support arm two (120) are slidably sleeved, the hydraulic cylinder one (130) is fixedly installed between the support arm one (110) and the support arm two (120), the hydraulic cylinder one (130) is used to drive the support arm one (110) to move up and down, the bottom end of the support arm two (120) is rotatably connected with the base (200), the top end of the support arm one (110) is rotatably connected with one end of the upper pressing rod (510), the hydraulic rod two (300) is rotatably connected with the support arm one (110), and the top end side of the support arm one (110) is rotatably connected with the side support frame (400).

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