Auxiliary roof protection device for lengthened front beam of hydraulic support

Abstract

The utility model provides an auxiliary roof protection device for a lengthened front beam of a hydraulic support. The auxiliary roof protection device of the lengthened front beam of the hydraulic support comprises a sheath plate arranged at the front end of a hydraulic support beam in a sliding and sleeving mode and an installation frame fixedly installed at the bottom of the hydraulic support beam, a hydraulic cylinder is fixedly installed on the installation frame, and an output shaft of the hydraulic cylinder is connected with the bottom of the sheath plate; a plurality of reinforcing ribs are fixedly mounted at the bottom of the sheath plate; a plurality of reinforcing plates are fixedly mounted on the mounting frame; a connecting shaft is rotatably mounted on an output shaft of the hydraulic cylinder, two mounting blocks are symmetrically and fixedly mounted at the bottom of the sheath plate, and the connecting shaft penetrates through the two mounting blocks and is rotatably connected with the two mounting blocks. The auxiliary roof protection device for the lengthened front beam of the hydraulic support has the advantages of being convenient to disassemble, assemble and use, and capable of protecting the roof when the end distance of the support beam is increased, reducing waste rock leakage and increasing the safe supporting area of the support.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine cave support technical field especially relates to a kind of auxiliary roof protection device of hydraulic support lengthened front beam. BACKGROUND

[0002] End area is prone to pressure in normal production process, and after pressure, the positive piece of piece is prone to cause support beam end distance to become larger, especially in empty roadway connection, more prone to roof fall (support front beam is prone to not connect roof).

[0003] Therefore, it is necessary to provide a new auxiliary roof protection device of hydraulic support lengthened front beam to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model solves technical problem to provide a kind of auxiliary roof protection device of hydraulic support lengthened front beam, which is convenient to disassemble and assemble, easy to use, can roof when support beam end distance becomes larger, reduce gangue leakage, and can increase the safe support area of support.

[0005] To solve the above technical problems, the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model comprises: a sheath plate slidably sleeved at the front end of the hydraulic support beam and a mounting frame fixedly installed at the bottom of the hydraulic support beam, a hydraulic cylinder is fixedly installed on the mounting frame, and the output shaft of the hydraulic cylinder is connected with the bottom of the sheath plate.

[0006] Preferably, the bottom of the sheath plate is fixedly installed with a plurality of reinforcing ribs.

[0007] Preferably, a plurality of reinforcing plates are fixedly installed on the mounting frame.

[0008] Preferably, a connecting shaft is rotatably installed on the output shaft of the hydraulic cylinder, two mounting blocks are symmetrically fixedly installed on the bottom of the sheath plate, and the connecting shaft penetrates through the two mounting blocks and is rotatably connected with the two mounting blocks.

[0009] Preferably, two mounting holes are formed in the bottom of the sheath plate, two positioning rods are detachably installed on the inner wall of the top of the sheath plate, the bottom end of the positioning rod extends out of the mounting hole, and the positioning rod penetrates through the hydraulic support beam and is slidably connected with the hydraulic support beam.

[0010] Compared with the related art, the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model has the following beneficial effects:

[0011] The utility model provides a kind of auxiliary roof protection device of hydraulic support lengthened front beam, can protect roof, reduce leakage, reduce processing mass and affect production time, when the need of overhaul work, increase the safety guarantee of operating personnel, increase support safety support area;It can be quickly connected and disassembled, using simple, efficient fixed structure, realize tooling and equipment quick assembly and separation, greatly shorten the installation and replacement time, improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A preferred embodiment of the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model is shown in the structure diagram.

[0013] Figure 2 For Figure 1 The bottom view structure diagram is shown in the drawing.

[0014] Figure 3 The structure diagram when the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model is installed in the front end of hydraulic support beam.

[0015] Marked number in drawing:1, sheath plate, 2, reinforcing rib, 3, hydraulic cylinder, 4, mounting frame, 5, reinforcing plate, 6, mounting block, 7, connecting shaft, 8, mounting hole, 9, positioning rod, 10, hydraulic support beam. DETAILED DESCRIPTION

[0016] The utility model will be further described below in connection with drawing and embodiment.

[0017] Please refer to Figure 1 、 Figure 2 And Figure 3 Among them, Figure 1 A preferred embodiment of the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model is shown in the structure diagram. Figure 2 For Figure 1 The bottom view structure diagram is shown in the drawing. Figure 3 The structure diagram when the auxiliary roof protection device of hydraulic support lengthened front beam provided by the utility model is installed in the front end of hydraulic support beam Auxiliary roof protection device of hydraulic support lengthened front beam includes: sheath plate 1 of sliding sleeve set in the front end of hydraulic support beam 10 and mounting frame 4 fixedly installed at the bottom of hydraulic support beam 10, hydraulic cylinder 3 is fixedly installed on mounting frame 4, the output shaft of hydraulic cylinder 3 is connected with the bottom of sheath plate 1.

[0018] The bottom of sheath plate 1 is fixedly installed with a plurality of reinforcing ribs 2.

[0019] A plurality of reinforcing plates 5 are fixedly installed on mounting frame 4.

[0020] The connecting shaft 7 is rotatably installed on the output shaft of the hydraulic cylinder 3, two mounting blocks 6 are symmetrically and fixedly installed on the bottom of the sheathing plate 1, and the connecting shaft 7 penetrates through the two mounting blocks 6 and is rotatably connected with the two mounting blocks 6.

[0021] Two mounting holes 8 are formed in the bottom of the sheathing plate 1, two positioning rods 9 are detachably installed on the inner wall of the top of the sheathing plate 1, the bottom end of the positioning rod 9 extends out of the mounting hole 8, and the positioning rod 9 penetrates through the hydraulic support beam 10 and is slidably connected with the hydraulic support beam 10.

[0022] The auxiliary roof protecting device of the hydraulic support lengthened front beam provided by the utility model is arranged at the front end of the hydraulic support beam 10, and when the tail section is pressed, the roof can be lengthened, and when the personnel overhauls, the support tooling can be pulled out to increase the support safety supporting area.

[0023] The tooling is simple to install, can provide sufficient safety supporting area, and has good on-site use effect.

[0024] Compared with the related art, the auxiliary roof protecting device of the hydraulic support lengthened front beam has the following beneficial effects:

[0025] The auxiliary roof protecting device of the hydraulic support lengthened front beam can protect the roof, reduce the gangue leakage, reduce the processing of large blocks and the influence on the production time, increase the safety guarantee of the operating personnel when the overhauling work is needed, and increase the support safety supporting area; the device can be quickly connected and detached, adopts a simple and efficient fixing structure, realizes the quick assembly and separation of the tooling and the equipment, greatly shortens the installation and replacement time, and improves the work efficiency.

[0026] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A hydraulic support lengthening front beam auxiliary roof protection device, characterized in that, The utility model relates to a hydraulic support beam fixing device, including: The sleeve plate is sleeved on the front end of the hydraulic support beam, and the mounting frame is fixedly installed at the bottom of the hydraulic support beam, a plurality of reinforcing plates are fixedly installed on the mounting frame, the output shaft of the hydraulic cylinder is connected with the bottom of the sleeve plate, and a plurality of reinforcing ribs are fixedly installed on the bottom of the sleeve plate.

2. The hydraulic support lengthened front beam auxiliary roof protection device according to claim 1, characterized in that, The bottom of the sleeve plate is fixedly installed with a plurality of reinforcing ribs.

3. The hydraulic support lengthened front beam auxiliary roof protection device according to claim 1, characterized in that, The mounting frame is fixedly installed with a plurality of reinforcing plates.

4. The hydraulic support lengthened front beam auxiliary roof protection device according to claim 1, characterized in that, The output shaft of the hydraulic cylinder is rotatably installed with a connecting shaft, the bottom of the sleeve plate is fixedly installed with two mounting blocks in a symmetrical manner, the connecting shaft penetrates through the two mounting blocks and is rotatably connected with the two mounting blocks.

5. The hydraulic support lengthened front beam auxiliary roof protection device according to claim 1, characterized in that, The bottom of the sleeve plate is provided with two mounting holes, the top inner wall of the sleeve plate is detachably installed with two positioning rods, the bottom end of the positioning rod extends out of the mounting hole, the positioning rod penetrates through the hydraulic support beam and is slidably connected with the hydraulic support beam.

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