Mine tunnel roof caving protection structure

Abstract

The utility model discloses a mine tunnel roof caving protection structure which comprises a lifting supporting rod, a top frame and a protection assembly, a supporting plate is fixed to the top of the lifting supporting rod, an upper supporting plate is fixed to the upper portion of the supporting plate through reinforcing rods distributed at equal intervals, an electric telescopic rod is installed on the upper portion of the upper supporting plate, and the upper portion of the electric telescopic rod is fixedly connected with the lifting supporting rod. And a top frame is fixed to the top of the electric telescopic rod, a protection assembly is installed above the top frame and comprises an upper protection cover, a supporting framework, a connecting supporting rod, an arc-shaped arch frame and an intercepting net, and the supporting framework is fixed between the upper protection cover and the top frame. According to the mine tunnel roof caving protection structure, the arc-shaped lagging jacks of the upper protection cover of the arc-shaped structure can conduct double supporting protection on the upper portion of a mine tunnel, the arc-shaped lagging jacks are fixed through the rust-proof intercepting nets made of metal materials, and the effect of intercepting soil blocks can be achieved while supporting is conducted; the upper protective cover and the arc-shaped arch frame are matched with the intercepting net to form a two-layer caving protective structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine tunnel technical field, concretely is a kind of tunnel roof collapse protection structure. BACKGROUND

[0002] In mining industry, mine tunnel is the underground passage for entering ore deposit, mining and transporting ore, and is the prerequisite and guarantee for mine safety production in the process of coal mine production, such as hoisting, transportation, ventilation, drainage, personnel safety access, material equipment up and down well, gangue transportation, power supply, gas supply, water supply and other roadway lines and facilities, to ensure the stability of mine tunnel, it needs to be supported and protected;The existing mine tunnel is prone to roof fall, and the single protection structure is easy to be damaged after long-term use, thereby affecting the supporting capacity, so the above problems need to be improved to meet the actual use requirement. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of tunnel roof collapse protection structure to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of tunnel roof collapse protection structure, including lifting support rod, top frame and protection assembly, the top of lifting support rod is fixed with support plate, and the upper side of support plate is fixed with upper support plate by equal distance distribution reinforcing bar, the upper side of upper support plate is installed with electric telescopic rod, and the top of electric telescopic rod is fixed with top frame, the upper side of top frame is installed with protection assembly, and protection assembly includes upper protective cover, support skeleton, connecting support rod, arc arch and intercept net, support skeleton is fixed between upper protective cover and top frame, and support skeleton is "X" type structure, the upper side of the outer side of upper protective cover is evenly distributed with connecting support rod, and the upper side of connecting support rod is fixed with arc arch, it is equal distance distribution between arc arch, and intercept net is fixed between arc arch, the lower side of support plate is installed with side support component on left and right sides.

[0005] Preferably, the electric telescopic rod is symmetrically provided with front and rear two groups about the center line of upper support plate, and the upper protective cover and the top frame are parallel to each other.

[0006] Preferably, the left and right sides of the top frame are fixed with side plates below, and the side plates and the top frame are perpendicular to each other.

[0007] Preferably, the left and right sides of the top frame are installed with positioning assembly below, and the positioning assembly includes long strip frame plate, the long strip frame plate and the top frame are fixedly connected, and the long strip frame plate is symmetrically provided with left and right two about the vertical center line of the top frame.

[0008] Preferably, the positioning assembly further comprises an electric push rod and an anchoring rod, and the electric push rod is arranged on one side of the long rack plate, and the anchoring rod is fixed to one end of the electric push rod.

[0009] Preferably, the positioning assembly further comprises a limiting groove, and the limiting groove is arranged on the front and back sides of the side plate, and the anchoring rod penetrates through the limiting groove.

[0010] Preferably, the side support assembly comprises a fixed plate and a hydraulic rod, the fixed plate is provided with two fixed plates and is fixedly connected with the support plate, and the hydraulic rod is arranged on the outer side of the fixed plate.

[0011] Preferably, the side support assembly further comprises a side support plate, and the side support plate is fixed to one end of the hydraulic rod, and the side support plate is parallel to the fixed plate.

[0012] Compared with the prior art, the mine tunnel roof collapse protection structure has the beneficial effects that: the arc-shaped arches of the upper protection cover can provide double support protection for the upper part of the mine tunnel, the arc-shaped arches are fixed by the anti-rust type intercepting nets made of metal materials, and the arc-shaped arches can support and intercept soil blocks at the same time; the upper protection cover, the arc-shaped arches and the intercepting nets can form a two-layer collapse protection structure.

[0013] The mine tunnel roof collapse protection structure is provided with an electric telescopic rod and a protection assembly, the height of the support plate and the components above the support plate can be adjusted by lifting the lifting support rod, the electric telescopic rod can drive the lifting of the top frame, so that the height of the upper protection assembly can be adjusted, the support force can be provided in sections, the support capacity is better when the height is adjustable, the support skeleton has a relatively stable "X" type structure, and the uniformly distributed connecting support rods can support the arc-shaped arches.

[0014] The mine tunnel roof collapse protection structure is provided with a positioning assembly and a side support assembly, the electric push rod can be used to adjust the position of the anchoring rod in an extending and retracting mode, so that the anchoring rod can penetrate through the limiting groove of the side plate and enter the side wall of the mine tunnel, and the anchoring rod can play an anchoring and stabilizing role, and the hydraulic rod can be used to adjust the position of the side support plate in an extending and retracting mode, so that the left and right side support plates can be attached to the side wall of the mine tunnel, and the stability of the mine tunnel support can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the device of the utility model;

[0016] Figure 2 It is an explosion structure schematic view of the protection assembly of the utility model;

[0017] Figure 3 It is a structure schematic view of the support plate and the side support assembly of the utility model.

[0018] As shown in the figure: 1, lifting support rod; 2, support plate; 3, reinforcing rod; 4, upper support plate; 5, electric telescopic rod; 6, top frame; 7, side plate; 8, positioning assembly; 801, long rack plate; 802, electric push rod; 803, anchoring rod; 804, limiting groove; 9, protection assembly; 901, upper protective cover; 902, support framework; 903, connecting support rod; 904, arc arch; 905, intercepting net; 10, side support assembly; 1001, fixed plate; 1002, hydraulic rod; 1003, side support plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figure 1 The present application provides a technical solution: a mine tunnel roof collapse protection structure, comprising a lifting support rod 1, a top frame 6 and a protection assembly 9, the top of the lifting support rod 1 is fixed with a support plate 2, and the upper part of the support plate 2 is fixed with an upper support plate 4 through reinforcing rods 3 distributed at equal distances, the upper part of the upper support plate 4 is installed with an electric telescopic rod 5, and the top of the electric telescopic rod 5 is fixed with the top frame 6, the electric telescopic rod 5 is symmetrically provided with two groups in front and back about the center line of the upper support plate 4, and the upper support plate 4 and the top frame 6 are parallel to each other, the left and right sides of the top frame 6 are fixed with side plates 7 below, and the side plates 7 and the top frame 6 are perpendicular to each other; the height of the support plate 2 and the components above it is adjusted by the lifting of the lifting support rod 1, the lifting of the top frame 6 is driven by the lifting and shrinking of the electric telescopic rod 5, so as to adjust the height of the upper protection assembly 9, thereby providing support force in sections, and the supporting capacity is better while the height is adjustable.

[0021] Please refer to Figures 1-2The upper portion of the top frame 6 is provided with a protection assembly 9, and the protection assembly 9 comprises an upper protection cover 901, a support framework 902, a connecting support rod 903, an arc-shaped arch 904 and an intercepting net 905, the support framework 902 is fixed between the upper protection cover 901 and the top frame 6 and has an “X” structure, the connecting support rods 903 are uniformly distributed on the outer side of the upper protection cover 901, the arc-shaped arches 904 are fixed on the upper portion of the connecting support rods 903, the arc-shaped arches 904 are equidistantly distributed, and the intercepting net 905 is fixed between the arc-shaped arches 904; the arc-shaped arches 904 of the arc-shaped upper protection cover 901 can provide double support protection for the upper portion of the mine tunnel, the rust-proof intercepting net 905 made of metal is fixed between the arc-shaped arches 904, can support and intercept soil blocks at the same time, and the upper protection cover 901, the arc-shaped arches 904 and the intercepting net 905 can form two layers of caving protection structures, and the support framework 902 has a relatively stable “X” structure, and the uniformly distributed connecting support rods 903 can support the arc-shaped arches 904.

[0022] Please refer to Figure 1 The lower portion of the top frame 6 is provided with a positioning assembly 8 on both sides, and the positioning assembly 8 comprises a long strip frame plate 801, the long strip frame plate 801 is fixedly connected with the top frame 6 and is symmetrically arranged on both sides of the vertical center line of the top frame 6, the positioning assembly 8 further comprises an electric push rod 802 and an anchoring rod 803, the electric push rod 802 is arranged on one side of the long strip frame plate 801, and the anchoring rod 803 is fixed to one end of the electric push rod 802, the positioning assembly 8 further comprises a limiting groove 804, the limiting grooves 804 are arranged on the front and back sides of the side plate 7, and the anchoring rod 803 penetrates through the limiting grooves 804; the position of the anchoring rod 803 can be adjusted by the electric push rod 802, so that the anchoring rod 803 can penetrate through the limiting grooves 804 of the side plate 7 and be deeply arranged in the side wall of the mine tunnel, thereby achieving the anchoring and stabilizing effect, and the anchoring rod 803 can be retracted by the electric push rod 802, so as to cooperate with the height adjustment of the top frame 6 and the side plate 7.

[0023] Please refer to Figure 3 The lower portion of the top frame 6 is provided with a positioning assembly 8 on both sides, and the positioning assembly 8 comprises a long strip frame plate 801, the long strip frame plate 801 is fixedly connected with the top frame 6 and is symmetrically arranged on both sides of the vertical center line of the top frame 6, the positioning assembly 8 further comprises an electric push rod 802 and an anchoring rod 803, the electric push rod 802 is arranged on one side of the long strip frame plate 801, and the anchoring rod 803 is fixed to one end of the electric push rod 802, the positioning assembly 8 further comprises a limiting groove 804, the limiting grooves 804 are arranged on the front and back sides of the side plate 7, and the anchoring rod 803 penetrates through the limiting grooves 804; the position of the anchoring rod 803 can be adjusted by the electric push rod 802, so that the anchoring rod 803 can penetrate through the limiting grooves 804 of the side plate 7 and be deeply arranged in the side wall of the mine tunnel, thereby achieving the anchoring and stabilizing effect, and the anchoring rod 803 can be retracted by the electric push rod 802, so as to cooperate with the height adjustment of the top frame 6 and the side plate 7.

[0024] Please refer to Figures 1-3The device is arranged in the coal mine tunnel, then the height of the support plate 2 and the components above the support plate 2 can be adjusted by lifting the lifting support rod 1, then the position of the anchoring rod 803 can be adjusted by the electric push rod 802, so that the anchoring rod 803 can penetrate through the limiting groove 804 of the side plate 7 and enter the side wall of the tunnel, thereby playing an anchoring and stabilizing role, then the height of the upper protection assembly 9 can be adjusted by lifting the electric telescopic rod 5 to drive the lifting of the top frame 6, thereby providing support in stages, so that the height is adjustable and the support capacity is better, and during the height adjustment of the top frame 6 and the side plate 7, the anchoring rod 803 can be retracted by the electric push rod 802, so as not to affect the lifting of the top frame 6 and the side plate 7.

[0025] During use, the arc-shaped arches 904 of the upper protection cover 901 of the top arc-shaped structure can provide double support and protection for the upper part of the tunnel, the arc-shaped arches 904 are fixed by the rust-proof intercepting net 905 made of metal material, which can support and intercept soil blocks at the same time, so that the upper protection cover 901, the arc-shaped arches 904 and the intercepting net 905 can form a two-layer caving protection structure, the support frame 902 has an "X" type structure and is stable, the uniformly distributed connecting support rods 903 can support the arc-shaped arches 904, then the position of the side support plates 1003 can be adjusted by the hydraulic rod 1002 during use, so that the left and right side support plates 1003 can be attached to the side wall position of the tunnel, thereby improving the stability of the tunnel support, which is the working principle of the tunnel roof caving protection structure.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mine roadway roof collapse protection structure comprising a lifting support rod (1), a top frame (6) and a protection assembly (9), characterized in that, The top of the lifting support rod (1) is fixed with a support plate (2), and the upper side of the support plate (2) is fixed with an upper support plate (4) through equidistantly distributed reinforcing rods (3), the upper side of the upper support plate (4) is installed with an electric telescopic rod (5), and the top of the electric telescopic rod (5) is fixed with a top rack (6), the upper side of the top rack (6) is installed with a protection assembly (9), and the protection assembly (9) comprises an upper protection cover (901), a support framework (902), a connecting support rod (903), an arc-shaped arch (904) and an intercepting net (905), the support framework (902) is fixed between the upper protection cover (901) and the top rack (6), and the support framework (902) is in an "X" type structure, the outer side of the upper protection cover (901) is uniformly distributed with the connecting support rod (903), and the upper side of the connecting support rod (903) is fixed with the arc-shaped arch (904), the arc-shaped arch (904) is equidistantly distributed between the arc-shaped arch (904), and the intercepting net (905) is fixed between the arc-shaped arch (904), and the lower side of the support plate (2) is installed with a side support assembly (10).

2. A mine roof collapse protection structure according to claim 1, characterised in that, The electric telescopic rod (5) is symmetrically provided with front and rear two groups about the center line of the upper support plate (4), and the upper support plate (4) and the top rack (6) are parallel to each other.

3. A mine roof collapse protection structure according to claim 1, characterised in that, The lower side of the left and right sides of the top rack (6) is fixed with a side plate (7), and the side plate (7) and the top rack (6) are perpendicular to each other.

4. A mine roof collapse protection structure according to claim 3, characterised in that, The lower side of the left and right sides of the top rack (6) is fixed with a side plate (7), and the side plate (7) and the top rack (6) are perpendicular to each other.

5. A mine roof collapse protection structure according to claim 4, characterised in that, The lower side of the left and right sides of the top rack (6) is fixed with a side plate (7), and the side plate (7) and the top rack (6) are perpendicular to each other.

6. A mine roof collapse protection structure according to claim 5, characterised in that, The positioning assembly (8) further comprises an electric push rod (802) and an anchor rod (803), one side of the long strip rack plate (801) is installed with an electric push rod (802), and one end of the electric push rod (802) is fixed with an anchor rod (803).

7. A mine roof collapse protection structure according to claim 1, characterised in that, The positioning assembly (8) further comprises a limiting groove (804), the front and rear sides of the side plate (7) are provided with limiting grooves (804), and the anchor rod (803) penetrates the limiting grooves (804).

8. A mine roof collapse protection structure according to claim 7, characterised in that, The side support assembly (10) comprises a fixed plate (1001) and a hydraulic rod (1002), the fixed plate (1001) is provided with two and is fixedly connected with the support plate (2), and the outer side of the fixed plate (1001) is installed with a hydraulic rod (1002). The side support assembly (10) further comprises a side support plate (1003), one end of the hydraulic rod (1002) is fixed with a side support plate (1003), and the side support plate (1003) and the fixed plate (1001) are parallel to each other.

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