Coal mining roof supporting bracket

Abstract

The utility model discloses a coal mining top plate supporting support which comprises a bottom plate, the bottom plate is fixed on the ground, supporting rods are symmetrically and fixedly installed on the top of the bottom plate, an installation plate is fixedly installed at the top ends of the two supporting rods together, a supporting plate is arranged above the installation plate, and the supporting plate is of an inverted-U-shaped design. Protection grooves are symmetrically and fixedly formed in the two sides of the top of the bottom plate, one sides of the protection grooves are attached to the supporting plate, first material guiding blocks are fixedly installed on the front sides of the interiors of the protection grooves, the tops of the first material guiding blocks are designed to be inclined, and second material guiding blocks are fixedly installed on the rear sides of the interiors of the protection grooves; according to the ore collecting device, after ore falls off, the ore is guided into the protection groove through the arc-shaped supporting plate, the ore is guided into the collecting groove through the first material guiding block and the second material guiding block, the closing door is opened regularly to clean the collecting groove, and therefore the problem that workers are injured due to stone blocks when a support is dismantled is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a support support, concretely is a coal roof support support. BACKGROUND

[0002] Coal mine refers to the place rich in coal resources, usually also refers to the factory that adopts underground mining or open pit mining mode to produce coal, when coal seam is far from the ground surface, generally selects to excavate roadway to mine coal, this is underground coal mine, and the coal mining work will destroy the original stress balance state of coal seam and its roof, after the coal seam is mined out, the roof strata lose the support of the underlying coal seam, under the action of self gravity and overburden pressure, will produce deformation and subsidence, therefore need to carry out protection to the roof strata through support support, on the one hand avoid that the roof strata collapse directly pound to staff and also ensure the integrity of the mining channel.

[0003] At present, the existing coal roof support support mostly can only play a protective role, but the fallen ore on the support top still remains on the support top, when the roof behind the support has been caved in and stabilized, part of the support originally used to support the roof of the region can be removed and transported to the new working area in front to be reinstalled and used, these fallen ores can injure the staff, therefore the application proposes a coal roof support support to solve the problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a coal roof support support to solve the problem that the existing coal roof support support mostly can only play a protective role in the above background art, but the fallen ore on the support top still remains on the support top, when the roof behind the support has been caved in and stabilized, part of the support originally used to support the roof of the region can be removed and transported to the new working area in front to be reinstalled and used, these fallen ores can injure the staff.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A coal roof support support, including the bottom plate, the bottom plate is fixed on the ground, the top of bottom plate is fixedly installed with the support rod, the top of two support rods is fixedly installed with the mounting plate, the top of mounting plate is provided with the support plate, the support plate is designed as inverted U shape, the both sides of the top of bottom plate are fixedly installed with the protection groove, one side of protection groove is attached with the support plate, the inside front side of protection groove is fixedly installed with the first material guide block, the top of first material guide block is designed as inclined, the inside rear side of protection groove is fixedly installed with the second material guide block, the gap is arranged between the first material guide block and the second material guide block, the top of second material guide block is designed as inclined.

[0007] As a further scheme of the utility model: the side of the supporting plate and the position corresponding with the collecting groove are hingedly provided with a closing door.

[0008] As a further scheme of the utility model: the top of the mounting plate is fixedly and symmetrically provided with a sliding groove, a guide rod is fixedly installed in the sliding groove, a sliding block is slidably connected to the outer side of the guide rod, a second spring is fixedly installed on one side of the sliding block and located at the outer side of the guide rod, one end of the second spring is fixedly connected with the sliding groove, and a rotating rod is rotatably installed between the sliding block and the supporting plate.

[0009] As a further scheme of the utility model: the top of the bottom plate and the positions corresponding with the two ends of the supporting plate are fixedly installed with a plurality of cylinder bodies, a first spring is fixedly installed at the inner bottom side of the cylinder body, a rod body is fixedly installed at the top end of the first spring, and one end of the rod body is fixedly connected with the bottom end of the supporting plate.

[0010] As a further scheme of the utility model: the rotating rod and the supporting plate are made of steel material.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a ore supporting device, which comprises a bottom plate, a supporting plate and a mounting plate, the bottom plate is fixedly installed on the ground, the supporting plate is fixedly installed on the bottom plate, the mounting plate is fixedly installed on the supporting plate, the bottom plate is provided with a collecting groove, the supporting plate is provided with a protection groove, the protection groove is located at the bottom of the supporting plate, the protection groove is provided with a first guide block, the first guide block is located at the bottom of the protection groove, the protection groove is provided with a second guide block, the second guide block is located at the top of the protection groove, the mounting plate is provided with a closing door, the closing door is located at the top of the mounting plate, the closing door is hingedly connected with the mounting plate, the closing door is provided with a handle, the handle is located at the outer side of the closing door, the bottom plate is provided with a collecting groove, the collecting groove is located at the bottom of the bottom plate, the collecting groove is provided with a first guide block, the first guide block is located at the bottom of the collecting groove, the collecting groove is provided with a second guide block, the second guide block is located at the top of the collecting groove, the mounting plate is provided with a closing door, the closing door is located at the top of the mounting plate, the closing door is hingedly connected with the mounting plate, the closing door is provided with a handle, the handle is located at the outer side of the closing door, the ore supporting device is characterized in that the ore supporting device further comprises a first spring and a second spring.

[0013] 2、The utility model discloses a ore supporting device, which comprises a bottom plate, a supporting plate and a mounting plate, the bottom plate is fixedly installed on the ground, the supporting plate is fixedly installed on the bottom plate, the mounting plate is fixedly installed on the supporting plate, the bottom plate is provided with a collecting groove, the supporting plate is provided with a protection groove, the protection groove is located at the bottom of the supporting plate, the protection groove is provided with a first guide block, the first guide block is located at the bottom of the protection groove, the protection groove is provided with a second guide block, the second guide block is located at the top of the protection groove, the mounting plate is provided with a closing door, the closing door is located at the top of the mounting plate, the closing door is hingedly connected with the mounting plate, the closing door is provided with a handle, the handle is located at the outer side of the closing door, the ore supporting device is characterized in that the ore supporting device further comprises a first spring and a second spring. ACCURATE DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a front view of the utility model.

[0016] Figure 3 It is an enlarged view of A in the utility model. Figure 1

[0017] Figure 4 It is a partial side view of the utility model.

[0018] ​1, protection groove; 2, first material guide block; 3, second material guide block; 4, collection groove; 5, rod body; 6, first spring; 7, support rod; 8, cylinder; 9, mounting plate; 10, second spring; 11, support plate; 12, closing door; 13, sliding groove; 14, rotating rod; 15, sliding block; 16, guide rod; 17, bottom plate. DETAILED DESCRIPTION

[0019] 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1 to 4 In the embodiments of the utility model, a coal mining roof support bracket comprises a bottom plate 17, the bottom plate 17 is fixed on the ground, support rods 7 are symmetrically and fixedly installed on the top of the bottom plate 17, a mounting plate 9 is commonly and fixedly installed at the top ends of the two support rods 7, a support plate 11 is arranged above the mounting plate 9, the support plate 11 is designed in an inverted U shape, protection grooves 1 are symmetrically and fixedly installed on the two sides of the top of the bottom plate 17, one side of the protection groove 1 is attached to the support plate 11, first material guide blocks 2 are fixedly installed on the inner front side of the protection groove 1, the top of the first material guide block 2 is designed to be inclined, second material guide blocks 3 are fixedly installed on the inner rear side of the protection groove 1, a gap is arranged between the second material guide block 3 and the first material guide block 2, a collection groove 4 is arranged on the top of the bottom plate 17 and attached to the second material guide block 3, and the top of the second material guide block 3 is designed to be inclined.

[0021] A closing door 12 is hingedly arranged on one side of the support plate 11 and corresponds to the collection groove 4, and is used for taking out the collection groove 4.

[0022] The mounting plate 9 is symmetrically and fixedly installed with a sliding groove 13, the sliding groove 13 is fixedly installed with a guide rod 16, the guide rod 16 is slidably connected with a sliding block 15, the sliding block 15 is fixedly installed with a second spring 10 on one side and located on the outer side of the guide rod 16, one end of the second spring 10 is fixedly connected with the sliding groove 13, a rotating rod 14 is rotatably installed between the sliding block 15 and the support plate 11, a plurality of cylinder 8 are fixedly installed on the top of the bottom plate 17 and correspond to the two ends of the support plate 11, a first spring 6 is fixedly installed on the inner bottom side of the cylinder 8, a rod body 5 is fixedly installed at the top end of the first spring 6, and one end of the rod body 5 is fixedly connected with the bottom end of the support plate 11. The force and impact force of the first spring 6 and the second spring 10 when reset are used to impact each other, so that the effect of relieving the impact force is realized.

[0023] The rotating rod 14 and the supporting plate 11 are made of steel material, so that the strength of the structure is ensured.

[0024] The working principle of the utility model is:

[0025] When the device is used, the device is installed and protected by the supporting plate 11, when the ore falls outside the supporting plate 11, part of the ore directly falls in the inside of the protection groove 1, and the other part of the ore falls on the top of the supporting plate 11, and then the ore is guided into the inside of the protection groove 1 on both sides of the supporting plate 11 through the arc-shaped supporting plate 11, at this time, the ore will first fall on the surface of the second guide block 3 under the action of the first guide block 2 along the gap between the first guide block 2 and the protection groove 1, and then will roll to the inside of the collecting groove 4 on the top of the bottom plate 17 along the second guide block 3, the collecting groove 4 is extracted from the closing door 12 to clean the inside of the collecting groove 4 by opening the closing door 12 regularly, and when the ore falls on the top of the supporting plate 11, the supporting plate 11 will descend, the both ends of the supporting plate 11 will extrude the plurality of rod bodies 5, the rod bodies 5 will extrude the first spring 6, the force and the impact force of the first spring 6 are counteracted when reset, so that the impact force is relieved, and the supporting plate 11 will drive the rotating rod 14 to rotate in the descending process, the rotating rod 14 will drive the sliding block 15 to slide outside the guide rod 16 of the sliding groove 13 in the rotating process, the sliding block 15 will extrude the second spring 10 while sliding, the second spring 10 will also counteract the force and the impact force when reset, further relieving the impact force, so that the staff passing below the supporting plate 11 is effectively protected.

[0026] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A coal face support shield comprising a base plate (17) characterised in that: The bottom plate (17) is fixed on the ground, the top of the bottom plate (17) is symmetrically and fixedly provided with support rods (7), the top ends of the two support rods (7) are commonly and fixedly provided with a mounting plate (9), the upper side of the mounting plate (9) is provided with a support plate (11), the support plate (11) is designed in an inverted U shape, the top of the bottom plate (17) is symmetrically and fixedly provided with a protection groove (1) on both sides, one side of the protection groove (1) is attached to the support plate (11), the inside of the protection groove (1) is fixedly provided with a first material guide block (2) on the front side, the top of the first material guide block (2) is designed to be inclined, the inside of the protection groove (1) is fixedly provided with a second material guide block (3) on the rear side, a gap is formed between the first material guide block (2) and the second material guide block (3), the top of the bottom plate (17) is provided with a collecting groove (4) at a position attached to the second material guide block (3), and the top of the second material guide block (3) is designed to be inclined.

2. A coal face roof support shield according to claim 1 wherein: The support plate (11) is hingedly provided with a closing door (12) on one side and at a position corresponding to the collecting groove (4).

3. A coal face roof support shield according to claim 1 wherein: The top of the mounting plate (9) is symmetrically and fixedly provided with a sliding groove (13), the inside of the sliding groove (13) is fixedly provided with a guide rod (16), the outside of the guide rod (16) is slidably connected with a sliding block (15), the sliding block (15) is fixedly provided with a second spring (10) on one side and at the outside of the guide rod (16), one end of the second spring (10) is fixedly connected with the sliding groove (13), and the sliding block (15) is rotatably provided with a rotating rod (14) between the sliding block (15) and the support plate (11).

4. A coal face roof support shield according to claim 1 wherein: The top of the bottom plate (17) is fixedly provided with a plurality of cylinder bodies (8) at positions corresponding to both ends of the support plate (11), the inside of the cylinder body (8) is fixedly provided with a first spring (6) on the bottom side, the top end of the first spring (6) is fixedly provided with a rod body (5), and one end of the rod body (5) is fixedly connected with the bottom end of the support plate (11).

5. A coal face roof support shield according to claim 3 wherein: The rotating rod (14) and the support plate (11) are made of steel material.

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