Pillar anti-falling device

Abstract

The utility model relates to the technical field of mining supporting, in particular to a supporting column tilting prevention device. Comprising a bottom plate, a mining supporting column is arranged at the top of the bottom plate, four supports which are arranged in an annular array mode are installed at the top of the bottom plate in a sliding mode, semicircular clamping plates are arranged on the supports and arranged on the mining supporting column in a sleeving mode, and a plurality of fixing feet which are arranged in a rectangular array mode are fixedly installed on the bottom plate. A plurality of fixing feet are arranged on the bottom plate, ground inserts penetrate through the fixing feet in a sliding mode, a plurality of sliding grooves are formed in the top of the bottom plate, two sliding plates are installed in the sliding grooves in a sliding mode, the sliding plates are fixed to the bottoms of the corresponding supports, first lead screws are rotatably installed in the sliding grooves, and the first lead screws penetrate through the two corresponding sliding plates in a threaded mode. By means of the simple clamping and limiting structure, clamping and limiting can be conveniently carried out on the mining supporting columns with different thicknesses, the applicability is effectively expanded, the problem that tilting prevention devices are produced and machined according to the different mining supporting columns is solved, and great convenience is brought to use of the mining supporting columns.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining support technical field, concretely is a kind of prop anti-inclination device. BACKGROUND

[0002] With the continuous development of economy, the demand for mineral resources in the market is increasing, and a large amount of mineral resources are mined. In the mining process, the roadway needs to be supported, and a large number of props need to be used. Anti-inclination device is needed during the installation process of the prop to prevent the installed prop from falling and prevent the collapse of the roadway. In the prior art, a kind of prop anti-inclination device for mining support is disclosed in the authorized announcement No. CN216477409U, which comprises a limiting assembly and a monitoring assembly. The top of the limiting assembly is connected with the monitoring assembly. The limiting assembly comprises a first fixed block, a second fixed block and a limiting cone. The side of the first fixed block is connected with the side of the second fixed block. The bottom of the first fixed block and the second fixed block is connected with the limiting cone. The monitoring assembly comprises a sensing block and an alarm. The front side of the sensing block is connected with the alarm. By setting the limiting assembly and the monitoring assembly, the problem of poor stability of the existing prop anti-inclination device for mining support is solved. The single support column cannot be effectively fixed, and the inclination angle of the support column cannot be monitored, which causes a large safety hazard.

[0003] However, the existing prop anti-inclination device is found to be inconvenient for clamping and limiting the mine props of different thicknesses, has limited applicability, and needs to be specially processed and produced according to the size of the mine prop, which brings a lot of trouble to the use of the mine prop. UTILITY MODEL CONTENT

[0004] In view of the above problems, the purpose of the utility model is to provide a prop anti-inclination device that is convenient for clamping and limiting the mine props of different thicknesses, effectively expands the applicability, avoids the problem of producing anti-inclination devices for different mine props, greatly facilitates the use of the mine prop, and solves the problems raised in the above background technology.

[0005] In order to achieve the above object, the utility model discloses the technical scheme that a kind of support anti-inverter is adopted: a support anti-inverter, including bottom plate, the top of the bottom plate is equipped with mine support, the top of the bottom plate is slidably installed four annular array arrangement supports, the support is equipped with semicircular clamping plate, the semicircular clamping plate is sleeved on mine support, multiple rectangular array arrangement fixed feet are fixedly installed on the bottom plate, ground plug is slidably penetrated on the fixed foot, multiple sliding grooves are set in the top of the bottom plate, two sliding plates are slidably installed in the sliding groove, the sliding plate is fixed in the bottom of corresponding support, first screw rod is rotatably installed in the sliding groove, the first screw rod is threadedly penetrated two corresponding sliding plates, multiple recesses are set in the top of the bottom plate, one end of the first screw rod extends into corresponding recess and is equipped with first bevel gear, the bottom plate is equipped with multiple rotating rods, the bottom end of the rotating rod extends into corresponding recess and is equipped with second bevel gear, and the second bevel gear is engaged with corresponding first bevel gear.

[0006] In order to facilitate the replacement of semicircular clamping plates of different sizes:

[0007] As a further improvement of the above technical solution: the support further includes a connecting plate, the connecting plate is in contact with the corresponding semicircular clamping plate, a clamping groove is formed on one side of the connecting plate, a clamping block is slidably installed in the clamping groove, the clamping block is fixed on the corresponding semicircular clamping plate, an insertion slot is formed on the top of the clamping block, a circular groove is formed on the top inner wall of the clamping groove, an internally threaded cylinder is slidably installed in the circular groove, the bottom end of the internally threaded cylinder is slidably installed in the insertion slot, and the internally threaded cylinder is internally threaded with a second screw rod.

[0008] The beneficial effects of the improvement are: by such arrangement, it is convenient to quickly assemble and disassemble the semicircular clamping plate, thereby facilitating the replacement of semicircular clamping plates of different sizes, and thus facilitating the clamping and limiting of mine supports of different thicknesses.

[0009] In order to facilitate the support and limiting of the rotating rod:

[0010] As a further improvement of the above technical solution: a plurality of horizontal plates are fixedly installed on the top of the bottom plate, the horizontal plates are located above the corresponding recesses, and the rotating rod rotatably penetrates the corresponding horizontal plate.

[0011] The beneficial effects of the improvement are: by setting the horizontal plate, it is convenient to support and limit the rotating rod.

[0012] In order to facilitate the support and limiting of the first screw rod:

[0013] As a further improvement of the above technical solution: a first through hole is formed between the recess and the sliding groove, and the first screw rod rotatably penetrates the first through hole.

[0014] The improved beneficial effect is that the first lead screw is supported and limited by the first through hole.

[0015] In order to fix the fixing foot conveniently:

[0016] As a further improvement of the above technical solution, the fixing foot is provided with a second through hole, and the ground insertion slidingly penetrates the corresponding second through hole.

[0017] The improved beneficial effect is that the fixing foot is fixed by the second through hole.

[0018] In order to limit the inner threaded cylinder conveniently:

[0019] As a further improvement of the above technical solution, a limiting groove is formed in the inner wall of one side of the circular groove, a limiting block is slidingly installed in the limiting groove, and the limiting block is fixed on the inner threaded cylinder.

[0020] The improved beneficial effect is that the inner threaded cylinder is limited by the limiting groove and the limiting block.

[0021] In order to support and limit the second lead screw conveniently:

[0022] As a further improvement of the above technical solution, a third through hole is formed in the top inner wall of the circular groove, and the second lead screw rotates and penetrates the third through hole.

[0023] The improved beneficial effect is that the second lead screw is supported and limited by the third through hole.

[0024] The beneficial effect of the utility model is that the simple clamping and limiting structure can conveniently clamp and limit the mining support with different thicknesses, effectively expands the applicability, avoids the problem of producing and processing the anti-falling device for different mining supports, and greatly facilitates the use of the mining support. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic view of the front view and sectional structure of the utility model;

[0026] Figure 2 It is a schematic view of the top view of the bottom plate in the utility model;

[0027] Figure 3 It is a schematic view of the enlarged structure of part A in the utility model; Figure 1

[0028] Figure 4 It is a schematic view of the enlarged structure of part B in the utility model; Figure 1

[0029] ​​Figure 5 It is the schematic diagram of the stereoscopic section structure of the semicircular clamping plate in the utility model;

[0030] Figure 6 It is the schematic diagram of the stereoscopic section structure of the connecting plate in the utility model.

[0031] In the drawing: 1, bottom plate; 2, mine pillar; 3, support; 4, semicircular clamping plate; 5, fixed foot; 6, ground insertion; 7, sliding groove; 8, sliding plate; 9, first screw rod; 10, recess; 11, first bevel gear; 12, rotating rod; 13, second bevel gear; 14, connecting plate; 15, clamping groove; 16, clamping block; 17, round groove; 18, internal thread cylinder; 19, insertion groove; 20, second screw rod. DETAILED DESCRIPTION

[0032] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0033] As Figures 1-6As shown, a kind of prop preventer, including bottom plate 1, the top of the bottom plate 1 is equipped with mine prop 2, the top of the bottom plate 1 is slidably installed four in ring array arrangement support 3, it is equipped with half-round clamping plate 4 on support 3, half-round clamping plate 4 is set on mine prop 2, it is fixedly installed multiple rectangular array arrangement fixed foot 5 on the bottom plate 1, the fixed foot 5 is slidably penetrated by ground plug 6, the top of the bottom plate 1 is equipped with multiple sliding slot 7, two sliding plates 8 are slidably installed in sliding slot 7, the sliding plate 8 is fixed in the bottom of corresponding support 3, first screw rod 9 is rotatably installed in sliding slot 7, first screw rod 9 is threadedly penetrated by corresponding two sliding plates 8, the top of the bottom plate 1 is equipped with multiple recess 10, one end of first screw rod 9 extends into corresponding recess 10 and is equipped with first bevel gear 11, the bottom plate 1 is equipped with multiple rotating rods 12, the bottom end of rotating rod 12 extends into corresponding recess 10 and is equipped with second bevel gear 13, second bevel gear 13 is engaged with corresponding first bevel gear 11, by simple clamping limiting structure, so as to facilitate the clamping of different thicknesses of mine prop 2, effectively expand the applicability, avoid the problem of producing and processing preventer for different mine props 2, bring great convenience to the use of mine prop 2, support 3 further includes connecting plate 14, connecting plate 14 is in contact with corresponding half-round clamping plate 4, the side of connecting plate 14 is equipped with clamping groove 15, clamping block 16 is slidably installed in clamping groove 15, clamping block 16 is fixed on corresponding half-round clamping plate 4, the top of clamping block 16 is equipped with slot 19, the top inner wall of clamping groove 15 is equipped with circular groove 17, internally threaded cylinder 18 is slidably installed in circular groove 17, the bottom end of internally threaded cylinder 18 is slidably installed in slot 19, internally threaded cylinder 18, internally threaded second screw rod 20 is installed, by thus setting, so as to facilitate the quick assembly and disassembly of half-round clamping plate 4, in turn facilitate the replacement of half-round clamping plate 4 of different sizes, so as to facilitate the clamping of different thicknesses of mine prop 2, the top of the bottom plate 1 is fixedly installed multiple horizontal plates, the horizontal plate is located above corresponding recess 10, rotating rod 12 rotatably penetrates corresponding horizontal plate, by setting horizontal plate, so as to facilitate the support and limiting of rotating rod 12, first through-hole is penetrated between recess 10 and sliding slot 7, first screw rod 9 rotatably penetrates first through-hole, by setting first through-hole, so as to facilitate the support and limiting of first screw rod 9, second through-hole is penetrated on fixed foot 5, ground plug 6 slidably penetrates corresponding second through-hole, by setting second through-hole, so as to facilitate the fixation of ground plug 6 to fixed foot 5, the side inner wall of circular groove 17 is equipped with limiting slot, limiting block is slidably installed in limiting slot, the limiting block is fixed on internally threaded cylinder 18, by setting limiting slot and limiting block, so as to facilitate the limiting of internally threaded cylinder 18, the top inner wall of circular groove 17 is penetrated by third through-hole, second screw rod 20 rotatably penetrates third through-hole, by setting third through-hole,Thus, the second lead screw 20 is conveniently supported and limited.

[0034] The working principle of the utility model is as follows: in use, first place the bottom plate 1 at a suitable position, then pass the ground plug 6 through the corresponding fixed leg 5, then drive the ground plug 6 into the soil, the bottom plate 1 is fixed, then place the mine support 2 at the top center position of the bottom plate 1, then rotate the plurality of rotating rods 12, the rotating rod 12 drives the second bevel gear 13 to rotate, the second bevel gear 13 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the first lead screw 9 to rotate, the first lead screw 9 drives the two sliding plates 8 to slide and move horizontally in the corresponding sliding groove 7, the plurality of supports 3 are driven to slide on the top of the bottom plate 1 and gather to the center, so that the plurality of semicircular clamping plates 4 are driven to move horizontally until closely attached to the mine support 2, so that the mine support 2 is clamped and limited by the plurality of semicircular clamping plates 4, through such setting, so as to conveniently clamp and limit the mine support 2 of different thickness, effectively expand the applicability, avoid the problem of producing and processing the anti-falling device for different mine supports 2, bring great convenience to the use of the mine support 2, when it is necessary to replace the semicircular clamping plate 4 to adapt to the mine support 2 of different thickness, first rotate the second lead screw 20, so that the inner threaded cylinder 18 is driven to slide into the circular groove 17, until the inner threaded cylinder 18 slides out of the insertion groove 19, so that the fixation of the clamping block 16 is released, then pull the semicircular clamping plate 4, so that the clamping block 16 is driven to slide out of the clamping groove 15, the semicircular clamping plate 4 is disassembled, then the required semicircular clamping plate 4 can be replaced, through such setting, so as to conveniently quickly assemble and disassemble the semicircular clamping plate 4, and then conveniently replace the semicircular clamping plate 4 of different sizes, so as to conveniently clamp and limit the mine support 2 of different thickness.

[0035] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] The principle and implementation mode of the utility model are described by applying specific examples in this document, and the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that due to the limitedness of the expression, there are infinite specific structures objectively, and for ordinary technical personnel in this technical field, some improvements, decorations or changes can be made without departing from the principle of the utility model, and the above technical features can also be combined in a proper way; these improvements, decorations, changes or combinations, or the direct application of the utility model concept and technical scheme to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A prop guard comprising a base plate (1), characterised in that: The top of the bottom plate (1) is provided with a mine pillar (2), the top of the bottom plate (1) is slidably provided with four support frames (3) arranged in a ring array, the support frame (3) is provided with a semicircular clamping plate (4), the semicircular clamping plate (4) is sleeved on the mine pillar (2), a plurality of fixed feet (5) arranged in a rectangular array are fixedly installed on the bottom plate (1), a ground plug (6) is slidably penetrated through the fixed foot (5), a plurality of sliding grooves (7) are formed in the top of the bottom plate (1), two sliding plates (8) are slidably installed in the sliding groove (7), the sliding plate (8) is fixed at the bottom of the corresponding support frame (3), a first lead screw (9) is rotatably installed in the sliding groove (7), the first lead screw (9) is threadedly penetrated through the corresponding two sliding plates (8), a plurality of recesses (10) are formed in the top of the bottom plate (1), one end of the first lead screw (9) extends into the corresponding recess (10) and is provided with a first bevel gear (11), a plurality of rotating rods (12) are arranged on the bottom plate (1), the bottom end of the rotating rod (12) extends into the corresponding recess (10) and is provided with a second bevel gear (13), the second bevel gear (13) is engaged with the corresponding first bevel gear (11).

2. A prop guard according to claim 1, wherein: The support frame (3) further comprises a connecting plate (14), the connecting plate (14) is in contact with the corresponding semicircular clamping plate (4), a clamping groove (15) is formed in one side of the connecting plate (14), a clamping block (16) is slidably installed in the clamping groove (15), the clamping block (16) is fixed on the corresponding semicircular clamping plate (4), an insertion groove (19) is formed in the top of the clamping block (16), a circular groove (17) is formed in the top inner wall of the clamping groove (15), an internally threaded cylinder (18) is slidably installed in the circular groove (17), the bottom end of the internally threaded cylinder (18) is slidably installed in the insertion groove (19), the internally threaded cylinder (18) is internally threadedly installed with a second lead screw (20).

3. A prop guard according to claim 1, wherein: A plurality of cross plates are fixedly installed on the top of the bottom plate (1), the cross plate is located above the corresponding recess (10), and the rotating rod (12) rotatably penetrates through the corresponding cross plate.

4. A prop guard according to claim 1, wherein: A first through hole is penetrated through between the recess (10) and the sliding groove (7), and the first lead screw (9) rotatably penetrates through the first through hole.

5. A prop guard according to claim 1, wherein: A second through hole is penetrated through the fixed foot (5), and the ground plug (6) slidably penetrates through the corresponding second through hole.

6. A prop guard according to claim 2, wherein: A limiting groove is formed in one side inner wall of the circular groove (17), and a limiting block is slidably installed in the limiting groove, and the limiting block is fixed on the internally threaded cylinder (18).

7. A prop guard according to claim 2 wherein: A third through hole is penetrated through the top inner wall of the circular groove (17), and the second lead screw (20) rotatably penetrates through the third through hole.

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