Safety baffle of coal mining machine

Abstract

The utility model belongs to the technical field of coal mining machine baffles, and particularly relates to a coal mining machine safety baffle which comprises a supporting base, foundation supporting legs are fixedly installed at the inner ends of the four corners of the supporting base, threaded grooves are fixedly formed in the foundation supporting legs, and the inner ends of the threaded grooves are in threaded connection with threaded sharp bolts matched with the threaded grooves. The supporting base is fixedly supported through the basic supporting legs, the threaded sharp bolts are rotated by screwing the handles so that the threaded sharp bolts can be conveniently driven to move downwards, then the basic supporting legs are lifted, the levelness of the supporting base can be conveniently adjusted according to the unbalance degree of the ground, and the supporting rods can be conveniently driven by the rotating shafts to rotate so that the angle can be adjusted. The supporting rod supports the rear baffle and the front baffle, the first protection air bag and the second protection air bag can prevent coal briquettes of the coal mining machine from splashing conveniently, the safety protection effect is provided, the sliding block drives the front baffle to move towards the two sides, the safety protection area can be increased, the front baffle and the rear baffle are combined for use, different requirements are met, and flexibility is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of baffles for coal mining machines, in particular to a safety baffle for coal mining machines. Background Art

[0002] A coal mine is a reasonable space excavated by humans when they dig geological strata rich in coal. It usually includes tunnels, shafts and mining faces. Coal is formed by lush plants that grow in a certain geological age. In a suitable geological environment, it gradually accumulates into thick layers and is buried under water or in mud. It is formed by natural coalification over a long geological period. Coal mining machines are one of the important equipment for realizing the mechanization and modernization of coal mine production. In order to prevent coal blocks from flying out and hitting the coal mining machine or workers during the mining process, a safety protection plate is usually installed in the front of the coal mining machine to prevent the splash of coal blocks.

[0003] The prior art has the following problems:

[0004] 1. The existing coal mining machine baffle has an uneven ground in the mining area, and the horizontality of the support legs is inconvenient to adjust, which affects the balance of the support;

[0005] 2. The existing coal mining machine baffle is not convenient for combined adjustment of area according to actual use, and is not flexible enough to use. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a safety baffle for a coal mining machine, which solves the problems of uneven ground in mining areas, inconvenient adjustment of the horizontality of the support legs, affecting the balance of the support, inconvenient combined adjustment of the area according to actual use, and insufficient flexibility in use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mining machine safety baffle, comprising a support base, the inner ends of the four corners of the support base are fixedly installed with basic support legs, the basic support legs are fixedly provided with threaded grooves, the inner ends of the threaded grooves are threadedly connected with threaded pointed bolts adapted thereto, the upper ends of the threaded pointed bolts are fixedly installed with a limiting block, the upper ends of the limiting block are fixedly connected with a connecting rod, the upper ends of the connecting rods are fixedly installed with a tightening handle, a fastening screw groove is provided on the support base, and a fastening bolt is provided on the fastening screw groove.

[0008] As a preferred technical solution of the utility model, a fixed bracket is movably installed on the upper end of the support base, a movable groove is fixedly provided on the top inner end of the fixed bracket, a fastening screw groove is fixedly provided on the bottom of the fixed bracket, and a supporting rod adapted thereto is movably installed on the inner end of the movable groove, and the support rod is movably connected to the bottom inner end of the fixed bracket by setting a rotating shaft.

[0009] As a preferred technical solution of the utility model, a rear baffle is fixedly installed on the upper end of the support rod, a first protective airbag is fixedly installed on the inner end of the rear baffle, a slide groove is fixedly provided on the outer end of the first protective airbag, a sliding block adapted thereto is movably installed on the inner end of the slide groove, a front baffle is fixedly installed on the outer end of the sliding block, and a second protective airbag is fixedly installed on the outer end of the front baffle.

[0010] As a preferred technical solution of the utility model, the fastening screw groove is fixedly arranged at the upper end of the support base, and the fastening screw groove is connected and fixed to the fixed bracket and the support base by arranging fastening bolts adapted thereto.

[0011] As a preferred technical solution of the utility model, the front baffle is movably mounted on the outer end of the first protective airbag and is symmetrically distributed.

[0012] As a preferred technical solution of the utility model, the basic support leg forms a support structure through the thread groove and the threaded tip bolt and the tightening handle.

[0013] As a preferred technical solution of the utility model, the front baffle forms a protective structure with the rear baffle through a sliding groove and a sliding block.

[0014] Compared with the prior art, the utility model provides a safety baffle for a coal mining machine, which has the following beneficial effects:

[0015] 1. The safety baffle of the coal mining machine provides fixed support for the support base through the basic support legs. By tightening the handle and rotating the threaded tip bolt, the threaded tip bolt is driven to move downward, thereby raising the basic support legs, so as to adjust the horizontality of the support base according to the imbalance of the ground.

[0016] 2. The safety baffle of the coal mining machine is fixed by fastening bolts to a fixed bracket, and the fixed bracket fixes the support rod. The rotating shaft is convenient for driving the support rod to rotate and adjust the angle. The rear baffle and the front baffle are supported by the support rod. The first protective airbag and the second protective airbag are convenient for preventing coal blocks from the coal mining machine from splashing and providing safety protection. The front baffle is driven to move to both sides by a slider to increase the area of ​​safety protection. The front baffle and the rear baffle are used in combination to meet the needs of different occasions and are more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the baffle of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing bracket of the utility model.

[0021] In the figure: 1. Support base; 2. Basic support leg; 3. Threaded groove; 4. Threaded tip bolt; 5. Limit block; 6. Connecting rod; 7. Tightening handle; 8. Fixed bracket; 9. Fastening screw groove; 10. Fastening bolt; 11. Movable groove; 12. Support rod; 13. Rotating shaft; 14. Rear baffle; 15. First protective airbag; 16. Front baffle; 17. Second protective airbag; 18. Slide groove; 19. Sliding block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment: a coal mining machine safety baffle comprises a support base 1, the inner ends of the four corners of the support base 1 are fixedly installed with basic support legs 2, the basic support legs 2 are fixedly provided with threaded grooves 3, the inner ends of the threaded grooves 3 are threadedly connected with threaded pointed bolts 4 adapted thereto, the upper ends of the threaded pointed bolts 4 are fixedly installed with limiting blocks 5, the upper ends of the limiting blocks 5 are fixedly connected with connecting rods 6, and the upper ends of the connecting rods 6 are fixedly installed with tightening handles 7, the support base 1 is provided with fixed support by the basic support legs 2, and the threaded pointed bolts 4 are rotated by tightening the handles 7 to facilitate the threaded pointed bolts 4 to move downward, thereby raising the basic support legs 2, so as to facilitate the adjustment of the horizontality of the support base 1 according to the imbalance of the ground, and the operation is flexible and convenient.

[0024] In this embodiment, a fixed bracket 8 is movably installed on the upper end of the support base 1, a movable groove 11 is fixedly provided on the top inner end of the fixed bracket 8, a fastening screw groove 9 is fixedly provided on the bottom of the fixed bracket 8, and a supporting rod 12 adapted thereto is movably installed on the inner end of the movable groove 11. The support rod 12 is movably connected to the bottom inner end of the fixed bracket 8 by setting a rotating shaft 13. The support rod 12 is fixed by the fixed bracket 8, and the rotating shaft 13 facilitates the support rod 12 to rotate and adjust the angle.

[0025] In this embodiment, a rear baffle 14 is fixedly installed on the upper end of the support rod 12, a first protective airbag 15 is fixedly installed on the inner end of the rear baffle 14, a slide groove 18 is fixedly provided on the outer end of the first protective airbag 15, a slider 19 adapted thereto is movably installed on the inner end of the slide groove 18, a front baffle 16 is fixedly installed on the outer end of the slider 19, a second protective airbag 17 is fixedly installed on the outer end of the front baffle 16, the rear baffle 14 and the front baffle 16 are supported by the support rod 12, the first protective airbag 15 and the second protective airbag 17 are convenient for preventing coal blocks from splashing by the coal mining machine, and provide safety protection, and the front baffle 16 is driven to move to both sides by the slider 19, which can increase the area of ​​safety protection and improve the actual use effect.

[0026] In this embodiment, a fastening screw groove 9 is fixedly provided at the bottom of the fixed bracket 8, and the fastening screw groove 9 is fixedly provided at the upper end of the support base 1. The fastening bolt 10 is provided with a fastening bolt 10 adapted thereto to connect and fix the fixed bracket 8 to the support base 1. The fastening bolt 10 passes through the fastening screw groove 9 to facilitate the installation of the fixed bracket 8 and facilitate fixation.

[0027] In this embodiment, the basic support leg 2 forms a support structure through the threaded groove 3 and the threaded tip bolt 4 and the tightening handle 7. The height of the basic support leg 2 can be changed by adjusting the threaded tip bolt 4, which is more flexible to use.

[0028] In this embodiment, the front baffle 16 forms a protective structure with the rear baffle 14 through the slide groove 18 and the slider 19. The front baffle 16 and the rear baffle 14 are used in combination to meet the needs of different occasions and have greater flexibility.

[0029] The working principle and use process of the utility model are as follows: the operator provides fixed support to the support base 1 through the basic support leg 2, and rotates the threaded tip bolt 4 by tightening the handle 7 to drive the threaded tip bolt 4 to move downward, thereby raising the basic support leg 2, so as to adjust the horizontality of the support base 1 according to the imbalance of the ground, and then fixes the fixed bracket 8 by tightening the bolt 10, and the fixed bracket 8 fixes the support rod 12, and the rotating shaft 13 drives the support rod 12 to rotate and adjust the angle, and the rear baffle 14 and the front baffle 16 are supported by the support rod 12, and the first protective airbag 15 and the second protective airbag 17 are convenient for preventing coal blocks from splashing by the coal mining machine and providing safety protection. The front baffle 16 is driven to move to both sides by the slider 19, so as to increase the area of ​​safety protection, and the front baffle 16 and the rear baffle 14 are used in combination to meet the needs of different occasions and have greater flexibility.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A safety baffle for a coal mining machine, characterized in that: The invention comprises a support base (1), wherein the inner ends of the four corners of the support base (1) are fixedly mounted with basic support legs (2), the basic support legs (2) are fixedly provided with threaded grooves (3), the inner ends of the threaded grooves (3) are threadedly connected with threaded pointed bolts (4) adapted thereto, a limit block (5) is fixedly mounted on the upper end of the threaded pointed bolt (4), the upper end of the limit block (5) is fixedly connected with a connecting rod (6), the upper end of the connecting rod (6) is fixedly mounted with a tightening handle (7), the support base (1) is provided with fastening screw grooves (9), and the fastening screw grooves (9) are provided with fastening bolts (10).

2. A coal mining machine safety baffle according to claim 1, characterized in that: A fixed bracket (8) is movably mounted on the upper end of the support base (1); a movable groove (11) is fixedly arranged on the inner end of the top of the fixed bracket (8); a fastening screw groove (9) is fixedly arranged on the bottom of the fixed bracket (8); a supporting rod (12) adapted thereto is movably mounted on the inner end of the movable groove (11); the supporting rod (12) is movably connected to the inner end of the bottom of the fixed bracket (8) by means of a rotating shaft (13).

3. A coal mining machine safety baffle according to claim 2, characterized in that: A rear baffle (14) is fixedly mounted on the upper end of the support rod (12); a first protective airbag (15) is fixedly mounted on the inner end of the rear baffle (14); a slide groove (18) is fixedly arranged on the outer end of the first protective airbag (15); a slider (19) adapted thereto is movably mounted on the inner end of the slide groove (18); a front baffle (16) is fixedly mounted on the outer end of the slider (19); and a second protective airbag (17) is fixedly mounted on the outer end of the front baffle (16).

4. A coal mining machine safety baffle according to any one of claims 1 and 2, characterized in that: The fastening screw groove (9) is fixedly arranged at the upper end of the support base (1), and the fastening screw groove (9) connects and fixes the fixing bracket (8) and the support base (1) by arranging a fastening bolt (10) matched thereto.

5. A coal mining machine safety baffle according to claim 3, characterized in that: The front baffle (16) is movably mounted on the outer end of the first protective airbag (15) and is symmetrically distributed.

6. A coal mining machine safety baffle according to claim 1, characterized in that: The basic support leg (2) forms a support structure with the tightening handle (7) through the thread groove (3) and the thread tip bolt (4).

7. A coal mining machine safety baffle according to claim 3, characterized in that: The front baffle (16) forms a protective structure with the rear baffle (14) via a sliding groove (18) and a sliding block (19).

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