Protective equipment for mine draw shaft

Abstract

The utility model discloses protective equipment for a mine draw shaft, which relates to the technical field of mine draw shaft protection and comprises a fixing ring, the fixing ring comprises a first connecting ring and a second connecting ring, and the central positions of the peripheral side walls of the first connecting ring and the second connecting ring are respectively connected with a first limiting ring and a second limiting ring through extension components. The square frame is driven to drive the first limiting ring and the second limiting ring to be close to each other or away from each other through the knob and the rotating shaft rod under the meshing characteristic of the gear and the rack, meanwhile, the protection area can be expanded through the interaction of the first extension rod and the second extension rod, and then double-layer protection can be conducted on mine draw shaft mouth edges of different sizes; therefore, the practicability and the application range in actual use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine chute protection, especially relates to a protection equipment for mine chute. BACKGROUND

[0002] In the mining, since the mine is mostly very high, the ore is transported frequently, in order to improve the transportation efficiency and save the cost, a pipeline similar to the well will be punched from top to bottom in some mines, the ore is directly poured from top to bottom, the transport vehicle will wait in the well in advance, when the ore falls, it will be directly transported, the chute can improve the transportation efficiency on the one hand, on the other hand, since it is directly poured vertically, the height can play a certain role in crushing the ore, the protection of the chute is mainly to set warning signs or set guardrails at the well mouth, but in the actual working process, it is inevitable to be close to the chute mouth, and the protection effect is limited.

[0003] For example, the patent with the publication number CN217107116U discloses a protection device for mine chute, which comprises a chute mouth and a large screen mesh, and the top end of the large screen mesh is provided with an annular guardrail. In the above-mentioned disclosure, the annular guardrail is provided, which is beneficial to the protection measures composed of the annular guardrail and the large screen mesh when a safety hazard occurs, and the upper guardrail is fixed to the ground through the hole of the large screen mesh, so that the large screen mesh can be tightened, thereby playing a protection role. But when using this patent, it is not conducive to double-layer protection of the edge of the mine chute with different scales, which makes the practicality poor, thereby being not conducive to long-term use and popularization. Therefore, the technical personnel in the field provide a protection equipment for mine chute to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a protection equipment for mine chute, which solves the problem that the above-mentioned background technology is not conducive to double-layer protection of the edge of the mine chute with different scales, which makes the practicality poor, thereby being not conducive to long-term use and popularization.

[0005] To achieve the above object, the utility model discloses a protection equipment for mine chute, including fixed ring, the fixed ring includes first interlinked and second interlinked, and the outer peripheral side wall both ends of first interlinked and second interlinked are fixedly installed with first base and second base respectively, and the outer top of two groups first base and two groups second base is fixedly installed with first square bushing and second square bushing respectively, and the outer top of two groups first square bushing and two groups second square bushing is equipped with first protection ring and second protection ring of vertical equidistance type, and the outer peripheral side wall of first protection ring and second protection ring is fixedly installed with first connecting column and second connecting column respectively, and the outer peripheral side wall center position of first interlinked and second interlinked is connected with first limit ring and second limit ring respectively through extension component,

[0006] The outer top of first limit ring and second limit ring is fixed with third square bushing and fourth square bushing respectively, and the outer top of third square bushing and fourth square bushing is equipped with first interlink and second interlink of vertical equidistance type, and the outer peripheral side wall of first interlink and second interlink is fixedly installed with first connecting seat and second connecting seat respectively.

[0007] As a further technical scheme of the utility model, the extension component includes the fixed sleeve fixedly installed on the corresponding outer peripheral side wall of first interlinked and second interlinked, the inner side of two fixed sleeves is slidably connected with a square frame, and the inner side wall of the square frame is fixedly installed with a rack, and one end of two square frames is fixedly connected with the first limit ring and the second limit ring respectively.

[0008] As a further technical scheme of the utility model, the two inner side walls of two fixed sleeves are rotatably installed with a rotating shaft, and the outer peripheral surface of two rotating shafts is fixedly installed with a gear, the gear and the rack are meshed, and one end of two rotating shafts extends through the fixed sleeve to the outer top of the fixed sleeve and is fixedly installed with a knob.

[0009] As a further technical scheme of the utility model, the outer side wall of two groups first square bushing and two groups second square bushing is equally spaced to be provided with a first limiting hole, the outer bottom of two groups first connecting column and two groups second connecting column is fixedly installed with a connecting plate, and the outer side wall bottom of the connecting plate is provided with a first annular groove, the inside of the first annular groove is fixedly connected with a first limiting column through a first spring, one end of the first limiting column is inserted into the inner side of the first limiting hole, and the outer top of two groups first connecting column and two groups second connecting column is provided with a first clamping groove matched with the connecting plate.

[0010] As a further technical scheme of the utility model, the first and second connected rings and the first and second protection rings are jointly sleeved with a first extension rod on the outer side walls of the two ends.

[0011] As a further technical scheme of the utility model, second limiting holes are formed on the outer side walls of the third and fourth sleeves at equal intervals, a clamping plate is fixedly installed on the outer bottom of the first and second connecting seats, a second annular groove is formed on the outer side wall bottom of the clamping plate, a second limiting column is fixedly connected to the second annular groove through a second spring, one end of the second limiting column is inserted into the inner side of the second limiting hole, and a second clamping groove that matches the clamping plate is formed on the outer top of the first and second connecting seats.

[0012] As a further technical scheme of the utility model, the first and second limiting rings and the first and second connecting rings are jointly sleeved with a second extension rod on the outer side walls of the two ends.

[0013] The utility model provides a kind of protective equipment for mine chute, compared with prior art has the following beneficial effects:

[0014] 1, the protective equipment for mine chute of the design, when protecting, through the knob and rotary shaft pole of setting, and under the meshing characteristics of gear and rack, drive square frame to drive first limit and second limit ring to be close to each other or away from each other, simultaneously under the interaction of first extension rod and second extension rod, it can expand protection area, to different scale mine chute edge can be carried out double-layer protection in turn, to improve the practicality and application range in actual use.

[0015] 2, the protective equipment for mine chute of the design, by setting first limiting column and first limiting hole and second limiting column and second limiting hole, the height of first connecting column and second connecting column can be adjusted and fixed, then through the mutual cooperation of first clamping groove and second clamping groove and connecting plate and clamping plate, it can be added according to the height of different environment, to play good protection effect, to improve the protection performance of the device. DRAWINGS

[0016] Figure 1 It is a kind of protective equipment for mine chute's three-dimensional structure schematic diagram;

[0017] Figure 2 It is a kind of protective equipment for mine chute's sectional three-dimensional structure schematic diagram;

[0018] Figure 3 It is a kind of first partial structure exploded schematic diagram of protective equipment for mine chute;

[0019] Figure 4 Figure 2 is a second partial exploded schematic view of a protective device for a mine chute.

[0020] In the figure: 1, first connecting ring; 2, second connecting ring; 3, first base; 4, second base; 5, first square sleeve; 6, second square sleeve; 7, first protective ring; 8, second protective ring; 9, first connecting column; 10, second connecting column; 11, first limiting ring; 12, second limiting ring; 13, third square sleeve; 14, fourth square sleeve; 15, first connecting ring; 16, second connecting ring; 17, fixing sleeve; 18, square frame; 19, rack; 20, rotating shaft; 21, gear; 22, first limiting hole; 23, connecting plate; 24, first annular groove; 25, first spring; 26, first limiting column; 27, first clamping groove; 28, first extension rod; 29, second limiting hole; 30, clamping plate; 31, second annular groove; 32, second spring; 33, second limiting column; 34, second clamping groove; 35, second extension rod. DETAILED DESCRIPTION

[0021] 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 of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model provides a kind of protective equipment technical scheme for mine chute: including fixed ring, fixed ring includes first link 1 and second link 2, and the outer peripheral side wall both ends of first link 1 and second link 2 are respectively fixedly installed with first base 3 and second base 4, and the outer top of two groups of first base 3 and two groups of second base 4 is respectively fixedly installed with first square sleeve 5 and second square sleeve 6, and the outer top of two groups of first square sleeve 5 and two groups of second square sleeve 6 is equipped with first protective ring 7 and second protective ring 8 in vertical equidistance, and the outer peripheral side wall of first protective ring 7 and second protective ring 8 is respectively fixedly installed with first connecting column 9 and second connecting column 10, and the outer peripheral side wall center position of first link 1 and second link 2 is respectively connected with first limit ring 11 and second limit ring 12 by extension component, and extension component includes fixed sleeve 17 fixedly installed on the outer peripheral side wall of first link 1 and second link 2 corresponding, and the inside of two fixed sleeves 17 is slidably connected with square frame 18, and the inside wall of square frame 18 is fixedly installed with rack 19, while one end of two square frames 18 is respectively fixedly connected with first limit ring 11 and second limit ring 12, and the two sides of two fixed sleeves 17 are rotatably installed with rotating shaft 20 on the inside wall, and the outer peripheral surface of two rotating shafts 20 is fixedly installed with gear 21, gear 21 and rack 19 are engaged connection, while one end of two rotating shafts 20 is extended to the outer top of fixed sleeve 17 and fixedly installed with knob by penetrating fixed sleeve 17.In protection, first link 1 and second link 2 are fixed on the edge of mine chute by the plug rod and connecting block on first base 3 and second base 4 first, then knob is twisted to drive rotating shaft 20 to rotate, to drive gear 21 to drive rack 19 to rotate, in turn drive square frame 18 to move back and forth along the inside of fixed sleeve 17, in turn drive first limit ring 11 and second limit ring 12 to expand and shrink, to increase the protection area, in turn can the edge of mine chute of different scales is double-protected, to improve the practicality and application range in actual use.

[0023] The outer top of the first limiting ring 11 and the second limiting ring 12 is respectively fixed with the third sleeve 13 and the fourth sleeve 14, and the outer top of the third sleeve 13 and the fourth sleeve 14 is provided with the first connecting ring 15 and the second connecting ring 16 which are vertically and equidistantly arranged, and the outer circumferential side wall of the first connecting ring 15 and the second connecting ring 16 is respectively fixedly installed with the first connecting seat and the second connecting seat, and the outer side wall of the third sleeve 13 and the fourth sleeve 14 is equidistantly provided with the second limiting hole 29, the outer bottom of the first connecting seat and the second connecting seat is fixedly installed with the clamping plate 30, and the outer side wall bottom of the clamping plate 30 is provided with the second annular groove 31, and the inside of the second annular groove 31 is fixedly connected with the second limiting column 33 through the second spring 32, one end of the second limiting column 33 is inserted into the inside of the second limiting hole 29, and the outer top of the first connecting seat and the second connecting seat is provided with the second clamping groove 34 which is matched with the clamping plate, and the two end outer side walls which are mutually adhered of the first limiting ring and the second limiting ring 12 and the first connecting ring 15 and the second connecting ring 16 is commonly and slidingly sleeved with the second extending rod 35. When the height is adjusted, the second limiting column 33 is pressed first so that the second spring 32 is elastically contracted and separated from the inside of the second limiting hole 29, then the first connecting ring 15 and the second connecting ring 16 are lifted, when the appropriate height is reached, the second limiting column 33 is loosened and is re-inserted in the second limiting hole 29 under the elastic action of the second spring 32, so that the first connecting seat and the second connecting seat on the first connecting ring 15 and the second connecting ring 16 are fixed, then the first connecting ring 15 and the second connecting ring 16 are inserted into the second clamping groove 34 below and fixed through the clamping plate 30, and a plurality of first connecting ring 15 and second connecting ring 16 are fixed in turn according to the above sequence to increase the protection height and improve the protection effect.

[0024] The outer side walls of the two sets of first side sleeves 5 and the two sets of second side sleeves 6 are provided with first limiting holes 22 at equal intervals, the outer bottoms of the two sets of first connecting columns 9 and the two sets of second connecting columns 10 are fixedly provided with connecting plates 23, the outer side wall bottoms of the connecting plates 23 are provided with first annular grooves 24, the interiors of the first annular grooves 24 are fixedly connected with first limiting columns 26 through first springs 25, one end of the first limiting column 26 is inserted into the inner side of the first limiting hole 22, the outer tops of the two sets of first connecting columns 9 and the two sets of second connecting columns 10 are provided with first clamping grooves 27 which are in line with the connecting plates, and the outer side walls of the two ends of the first connecting ring 1 and the second connecting ring 2 and the first protective ring 7 and the second protective ring 8 which are in close contact with each other are jointly and slidingly sleeved with first extension rods 28. By pressing the first limiting column 26, the first spring 25 is elastically contracted and separated from the inner side of the first limiting hole 22, then the first protective ring 7 and the second protective ring 8 are lifted, when reaching a suitable height, the first limiting column 26 is released and is re-inserted into the first limiting hole 22 under the elastic action of the first spring 25, thereby limiting and fixing the first connecting column 9 and the second connecting column 10 on the first protective ring 7 and the second protective ring 8, then the first protective ring 7 and the second protective ring 8 are inserted into the first clamping groove 27 below through the connecting plate 23 and are fixed, and a plurality of first protective rings 7 and second protective rings 8 are fixed in sequence according to the above sequence to increase the protection height and improve the protection effect.

[0025] The working principle of the utility model is as follows: when using, first, the first connecting ring 1 and the second connecting ring 2 are expanded through the first extension rod 28, then the first connecting ring 1 and the second connecting ring 2 on the first base 3 and the second base 4 are fixed on the mine chute opening edge through the inserting rod and the connecting block, then the knob is screwed to drive the rotating shaft 20 to rotate, to drive the gear 21 to drive the rack 19 to rotate, thereby driving the square frame 18 to move back and forth along the inner side of the fixed sleeve 17, thereby driving the first limiting ring 11 and the second limiting ring 12 to expand and contract with the aid of the second extension rod 35.

[0026] Meanwhile, the second limiting column 33 is pressed according to the height of different environments, so that the second spring 32 is elastically contracted and separated from the inner side of the second limiting hole 29, then the height of the first connecting ring 15 and the second connecting ring 16 is adjusted, then the second limiting column 33 is released and is re-inserted into the second limiting hole 29 under the elastic action of the second spring 32, then the clamping plate 30 in the first connecting seat and the second connecting seat on the first connecting ring 15 and the second connecting ring 16 which are subsequently added is inserted into the inner side of the second clamping groove 34 below and is fixed, and a plurality of first connecting rings 15 and second connecting rings 16 are fixed in sequence according to the above sequence.

[0027] At the same time, the first limiting column 26 is pressed to make the first spring 25 elastically contract and disengage from the inside of the first limiting hole 22, then the height of the first protective ring 7 and the second protective ring 8 is adjusted, then the first limiting column 26 is released, and under the elastic action of the first spring 25, the first limiting column 26 is reinserted into the first limiting hole 22, then the connecting plate 23 in the first connecting column 9 and the second connecting column 10 on the first protective ring 7 and the second protective ring 8 which are subsequently increased is inserted into the inside of the lower second clamping groove 34 and fixed, then a plurality of first protective rings 7 and second protective rings 8 are sequentially fixed in this order.

[0028] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A protection device for a mine chute, characterized in that, The utility model provides a fixing ring, first connecting ring (1) and second connecting ring (2) including, first base (3) and second base (4) are fixedly installed respectively on the both ends of the outer circumferential wall of first connecting ring (1) and second connecting ring (2), first square sleeve (5) and second square sleeve (6) are fixedly installed respectively on the outer top of two groups of first base (3) and two groups of second base (4), first protective ring (7) and second protective ring (8) are equipped with vertically and equidistantly on the outer top of two groups of first square sleeve (5) and two groups of second square sleeve (6), and first connecting column (9) and second connecting column (10) are fixedly installed respectively on the outer circumferential wall of first protective ring (7) and second protective ring (8), first limiting ring (11) and second limiting ring (12) are connected respectively through extension assembly in the central position of the outer circumferential wall of first connecting ring (1) and second connecting ring (2), Third square sleeve (13) and fourth square sleeve (14) are fixed respectively on the outer top of first limiting ring (11) and second limiting ring (12), and first connecting ring (15) and second connecting ring (16) are equipped with vertically and equidistantly on the outer top of third square sleeve (13) and fourth square sleeve (14), and first connecting seat and second connecting seat are fixedly installed respectively on the outer circumferential wall of first connecting ring (15) and second connecting ring (16).

2. A protective device for a mine chute according to claim 1, characterized in that The extension assembly includes fixed sleeve (17) fixedly installed on the corresponding outer circumferential wall of first connecting ring (1) and second connecting ring (2), two fixed sleeve (17) are slidably connected with square box (18) on the inner side, and rack (19) is fixedly installed on the inner side wall of square box (18), and one end of two square box (18) is fixedly connected with first limiting ring (11) and second limiting ring (12) respectively.

3. A protective device for a mine chute according to claim 2, characterised in that, Rotary shaft (20) is rotatably installed on the both sides of the inner side wall of two fixed sleeve (17), and gear (21) is fixedly installed on the outer circumferential surface of two rotary shafts (20), the gear (21) and the rack (19) are meshed connection, and one end of two rotary shafts (20) extends to the outer top of fixed sleeve (17) and is fixedly installed with knob.

4. A protective device for a mine chute according to claim 1, characterized in that, First limiting hole (22) is equidistantly formed on the outer side wall of two groups of first square sleeve (5) and two groups of second square sleeve (6), connecting plate (23) is fixedly installed on the outer bottom of two groups of first connecting column (9) and two groups of second connecting column (10), and first annular groove (24) is formed on the outer side wall bottom of connecting plate (23), and first limiting column (26) is fixedly connected with first spring (25) in the first annular groove (24), one end of first limiting column (26) is inserted into the inner side of first limiting hole (22), and first clamping groove (27) that is consistent with connecting plate (23) is formed on the outer top of two groups of first connecting column (9) and two groups of second connecting column (10).

5. A protective device for a mine chute according to claim 1, characterized in that, The first and second interlinked rings (1, 2) and the first and second protective rings (7, 8) are jointly sleeved with a first extension rod (28) on the outer side walls of the two ends.

6. A protective device for a mine chute according to claim 1, characterized in that Second limiting holes (29) are equidistantly arranged on the outer side walls of the third and fourth sleeves (13, 14), clamping plates (30) are fixedly installed on the outer bottoms of the first and second connecting seats, second annular grooves (31) are arranged on the outer side wall bottoms of the clamping plates (30), second limiting columns (33) are fixedly connected to the interiors of the second annular grooves (31) through second springs (32), one end of the second limiting column (33) is inserted into the inner side of the second limiting hole (29), and second clamping grooves (34) that are consistent with the clamping plates (30) are arranged on the outer tops of the first and second connecting seats.

7. A protective device for a mine chute according to claim 1, characterized in that, The first and second limiting rings (11, 12) and the first and second connecting rings (15, 16) are jointly sleeved with a second extension rod (35) on the outer side walls of the two ends.

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