CN219932234U - Safety protection support for coal mine geological measurement - Google Patents

Abstract

The utility model relates to the technical field of auxiliary tools for coal mine geological measurement, in particular to a safety protection support for coal mine geological measurement, which comprises a fixing component and a supporting component, wherein the supporting component in the safety protection support is fixed with the fixing component through a clamping plate at the top, the supporting component and the fixing component are simple in assembly mode, and convenient and quick to use.

Description

Safety protection support for coal mine geological measurement

Technical Field

The utility model relates to the technical field of auxiliary tools for coal mine geological measurement, in particular to a safety protection support for coal mine geological measurement.

Background

The coal mine geological measurement work occupies a very important position in coal mine production, the coal mine geological measurement is not only needed to be carried out on the ground surface of a coal mine, but also needed to be carried out in a coal mine roadway underground, and when the coal mine roadway is measured, the coal mine roadway is easy to fall off, the condition in the roadway is complex, and a protection bracket is usually needed to support and protect an instrument for measurement.

However, the existing protective support has certain defects in the use process, the existing protective support is inconvenient to disassemble and inconvenient to carry, is particularly inconvenient to send into a narrow coal mine roadway, the existing protective support is fixed in height and cannot be adjusted, the height requirement in the coal mine roadway is high, the applicability to the use environment is poor, the existing protective support is not stable enough to support, and the existing protective support is not firm enough to fix a measuring instrument and is not reliable enough to use.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a safety protection bracket for coal mine geological measurement.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a safety protection support for colliery geology measurement, includes fixed subassembly and supporting subassembly, four supporting subassembly supports in fixed subassembly bottom, wherein, fixed subassembly includes a backup pad and two carrier plates, two the carrier plates remove the cooperation at the backup pad top, two carrier plate top one end all is fixed with the fixed block, two the carrier plate is kept away from the one end of fixed block and is all removed the cooperation and has the movable block, two all vertical being fixed with a fixed guard plate on the fixed block, two all vertical being fixed with an adjustable guard plate on the movable block, this protective support carries out the centre gripping fixed to the measuring instrument through two fixed guard plates and two adjustable guard plates, makes the operation in the colliery that the measuring instrument can be stable, plays a steady support's effect to the measuring instrument, simultaneously, two fixed guard plates and two adjustable guard plates enclose the measuring instrument, the protection support is used to ensure that the operation of the measuring instrument in the coal mine roadway is safer, two fixed blocks and two movable blocks on a fixed component in the protection support can be adjusted, the fixed component can be matched with measuring instruments with different sizes, the two movable blocks in the protection support can be independently adjusted, the positions of two adjustable protection plates can be independently adjusted, the two adjustable protection plates can be attached to the measuring instrument more tightly, the fixing effect of the two adjustable protection plates and the two fixed protection plates on the measuring instrument is improved, the support component comprises a support cylinder and an adjusting rod, the inner wall of the support cylinder is provided with threads, the bottom of the adjusting rod is connected with a screw rod, the screw rod is inserted into the support cylinder from the top of the support cylinder, and screw rod and support section of thick bamboo screw thread cooperation, through rotating the regulation pole, drive the screw rod and rotate, through rotating the screw rod, adjusting screw gets into the degree of depth of supporting a section of thick bamboo, and then adjust the height of supporting component, through adjusting the height of supporting component, can adjust the height of this protective bracket, make this protective bracket can be suitable for in the colliery lane of different height, make this protective bracket stronger to the adaptability of service environment, simultaneously, through adjusting the height of protective bracket, can adjust the height of the measuring instrument that fixes on the protective bracket, and then satisfy the measuring instrument and carry out measuring demand at different heights, make the use of this protective bracket more nimble, the height homoenergetic of four supporting components in this protective bracket is independently adjustable, through adjusting the height of four supporting component, on the one hand, can change the angle of the fixed subassembly on this protective bracket, and then change the angle of the measuring instrument that is fixed on this protective bracket, satisfy the measuring instrument and measure the demand under different inclination, on the other hand, make this protective bracket support more steady in the colliery lane of the colliery that supports of bumpy, and then improve this protective bracket and use stability in the colliery.

Preferably, the equal horizontal welding in backup pad top both sides has first slide rail, backup pad top center normal running fit has two-way lead screw, backup pad one end normal running fit has with drive two-way lead screw pivoted first hand wheel, two carrier plate bottom both sides have all welded with first slide rail sliding fit's first slider, two first carrier plate bottom centers have all welded first nut, two first nuts respectively screw-fit at two ends of two-way lead screw, set up first hand wheel, make two-way lead screw's rotation more laborsaving, two-way lead screw both ends have the screw thread of different revolves to, two-way lead screw rotates, the first nut at two-way lead screw both ends can move on two-way lead screw, and two first nuts carry out syntropy or reverse removal in step.

Preferably, the equal horizontal welding of one end that the fixed block was kept away from at two carrier plate tops has the second slide rail, the equal horizontal normal running fit of one end that the fixed block was kept away from at two carrier plate tops has the lead screw, the equal normal running fit of one end that the fixed block was kept away from to two carrier plates has the second hand wheel, two second hand wheels are connected with two lead screws respectively, the bottom of two movable blocks all welds the second slider with second slide rail sliding fit, the second slider of two movable blocks all through the bottom removes the cooperation respectively at two carrier plate top one ends, the bottom of two movable blocks all welds the second nut, two second nuts screw thread fit respectively on two lead screws, two second hand wheels control two lead screws respectively, make earlier the regulation to two movable block positions, and then adjust the position of two adjustable protection plates.

Preferably, the support assembly further comprises a clamping plate and a bearing, the bearing is fixed at the bottom of the clamping plate, the adjusting rod is in rotating fit with the bottom of the clamping plate through the bearing, an anti-slip holding sleeve is arranged on the adjusting rod, and the holding sleeve is arranged, so that the adjusting rod can be conveniently rotated by a worker.

Preferably, the draw-in groove has all been seted up in backup pad bottom four corners, the limiting plate has all been welded to draw-in groove one end both sides, the width of draw-in groove and the width adaptation of cardboard, the cardboard card is gone into in the draw-in groove, supporting component is fixed with fixed subassembly through the cardboard at top in this protective bracket, supporting component is simple with fixed subassembly's equipment mode, convenient and fast uses, simultaneously, supporting component can dismantle with fixed subassembly, supporting cylinder and regulation pole in the supporting component also can dismantle, make this protective bracket carry and transport and deposit more convenient, simultaneously, also make this protective bracket can be in the delivery coal roadway under the dismantlement state, assemble in the colliery roadway, and then make this protective bracket use more conveniently in narrow and small colliery roadway.

Preferably, the bottom level of support section of thick bamboo is fixed with the pedal, pedal bottom center vertical welding has the main nail, pedal bottom is around main nail slope welding has a plurality of vice nail, the main nail is used for fixed with supporting component, the vice nail of main nail next door can strengthen the stability of supporting component at ground fixation, and then improve the stability that this protective bracket is fixed, through setting up pedal, on the one hand, the staff can be through stepping on the pedal with main nail insert earth, make supporting component at the fixed more convenient on ground, on the other hand, pedal plays a spacing effect, can prevent effectively that supporting component from sinking, make supporting component at the fixed more reliable and stable on ground.

The utility model has the beneficial effects that:

(1) According to the safety protection support for coal mine geological measurement, the holding sleeve is used for rotating the adjusting rod to drive the screw rod to rotate, the screw rod is driven to enter the depth of the supporting cylinder through rotating the screw rod, the height of the supporting component is adjusted, the height of the protection support can be adjusted through adjusting the height of the supporting component, the protection support can be applicable to coal mine roadways with different heights, the protection support is more suitable for use environments, meanwhile, the height of a measuring instrument fixed on the protection support can be adjusted through adjusting the height of the protection support, the requirement that the measuring instrument measures at different heights is met, the protection support is more flexible to use, the heights of four supporting components in the protection support can be independently adjusted, and the angles of the fixing components on the protection support can be changed through adjusting the heights of the four supporting components.

(2) According to the safety protection support for coal mine geological measurement, the supporting component is fixed with the fixing component through the clamping plate at the top, the supporting component and the fixing component are simple in assembly mode, the safety protection support is convenient and quick to use, meanwhile, the supporting component and the fixing component can be detached, the supporting cylinder and the adjusting rod in the supporting component can be detached, so that the safety protection support is more convenient to carry, transport and store, meanwhile, the safety protection support can be assembled in a coal mine roadway in a detached state, and further the safety protection support is more convenient to use in a narrow coal mine roadway.

(3) According to the safety protection support for coal mine geological measurement, the measuring instrument is clamped and fixed through the two fixed protection plates and the two adjustable protection plates, so that the measuring instrument can stably operate in a coal mine roadway, the measuring instrument is stably supported, meanwhile, the two fixed protection plates and the two adjustable protection plates surround the measuring instrument, the measuring instrument is prevented from being crashed by falling rocks around the coal mine roadway, a protection effect is achieved on the measuring instrument, the safety protection support is used for ensuring that the measuring instrument operates in the coal mine roadway more safely, the two fixed blocks and the two movable blocks on the fixed component in the protection support can be adjusted, the fixed component can be matched with measuring instruments with different sizes, the application range of the protection support is wider, the two movable blocks in the protection support can be independently adjusted, the positions of the two adjustable protection plates can be independently adjusted, the two adjustable protection plates can be tightly attached to the measuring instrument, and the reliability of the two adjustable protection plates and the two protection plates on the two fixed protection plates on the coal mine roadway is further improved, and the safety protection support is further used for protecting the measuring instrument.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic overall structure of a preferred embodiment of a safety protection support for coal mine geological measurement according to the present utility model.

Fig. 2 is a schematic structural view of a fixing assembly according to the present utility model.

Fig. 3 is a bottom view of the support plate of the present utility model.

Fig. 4 is a cross-sectional view of a support plate of the present utility model.

Fig. 5 is a schematic view of a carrier structure according to the present utility model.

Fig. 6 is an enlarged view of the detail of the area a in fig. 2.

FIG. 7 is a schematic view of a support assembly according to the present utility model.

In the figure: 1. a fixing assembly; 2. a support plate; 201. a clamping groove; 202. a limiting plate; 203. a first slide rail; 204. a bidirectional screw rod; 205. a first hand wheel; 3. a carrier plate; 301. a first slider; 302. a first nut; 303. a second slide rail; 304. a screw rod; 305. a second rocking wheel; 4. a fixed block; 401. fixing a protection plate; 5. a movable block; 501. an adjustable guard plate; 502. a second slider; 503. a second nut; 6. a support assembly; 601. a support cylinder; 602. an adjusting rod; 603. a screw; 604. a holding sleeve; 605. a bearing; 606. a clamping plate; 607. foot pedal; 608. a main nail; 609. and (5) auxiliary nails.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-7, the safety protection support for coal mine geological survey of the utility model comprises a fixing component 1 and a supporting component 6, wherein the four supporting components 6 are supported at the bottom of the fixing component 1, the fixing component 1 comprises a supporting plate 2 and two carrier plates 3, the two carrier plates 3 are movably matched at the top of the supporting plate 2, one ends of the tops of the two carrier plates 3 are respectively fixed with a fixed block 4, one ends of the two carrier plates 3 far away from the fixed blocks 4 are respectively movably matched with a movable block 5, the two fixed blocks 4 are vertically fixed with a fixed protection plate 401, the two movable blocks 5 are vertically fixed with an adjustable protection plate 501, the protection support clamps and fixes a measuring instrument through the two fixed protection plates 401 and the two adjustable protection plates 501, so that the measuring instrument can stably operate in a coal mine roadway and has a stable supporting effect on the measuring instrument, simultaneously, the two fixed protection plates 401 and the two adjustable protection plates 501 surround the measuring instrument, the measuring instrument is prevented from being crashed by falling rocks around in a coal mine roadway, a protection effect is achieved on the measuring instrument, the operation of the measuring instrument in the coal mine roadway is safer by using the protection support, the two fixed blocks 4 and the two movable blocks 5 on the fixed component 1 in the protection support can be adjusted, the fixed component 1 can be adapted to measuring instruments with different sizes, the application range of the protection support is wider, the two movable blocks 5 in the protection support can be independently adjusted, the positions of the two adjustable protection plates 501 can be independently adjusted, the two adjustable protection plates 501 can be attached to the measuring instrument more tightly, the fixing effect of the two adjustable protection plates 501 and the two fixed protection plates 401 on the measuring instrument is improved, thereby further improve the reliability that this protective bracket used, supporting component 6 includes supporting cylinder 601 and regulation pole 602, supporting cylinder 601 inner wall is equipped with the screw thread, it is connected with screw 603 to adjust pole 602 bottom, screw 603 inserts supporting cylinder 601 from supporting cylinder 601 top, and screw 603 and supporting cylinder 601 screw thread fit, through rotating regulation pole 602, drive screw 603 and rotate, through rotating screw 603, the degree of depth that adjusting screw 603 got into supporting cylinder 601, and then the height of adjusting supporting component 6, through adjusting the height of supporting component 6, can adjust the height of this protective bracket, make this protective bracket can be suitable for in the colliery lane of different heights, make this protective bracket to the adaptability of service environment stronger, simultaneously, through adjusting the height of protective bracket, can adjust the measuring instrument's that fixes on the protective bracket, and then satisfy the demand that measuring instrument measured at different heights, make the use of this protective bracket more nimble, the height of four supporting component 6 in this protective bracket all can independently adjust, and through adjusting the height of four supporting component 6, through adjusting the height of adjusting the supporting component 6, can change the angle of this protective bracket on the one side, and then the protective bracket is used at the same angle that the protective bracket is used to the colliery, and the protective bracket is further improved, and the protective bracket is more stable, and the protective bracket is used at the same angle is more stable, and is used to the protective bracket is more stable.

In an alternative implementation manner of this embodiment, the first sliding rails 203 are welded horizontally on two sides of the top of the supporting plate 2, the bidirectional screw 204 is rotationally matched with the center of the top of the supporting plate 2, one end of the supporting plate 2 is rotationally matched with the first hand-operated wheel 205 which drives the bidirectional screw 204 to rotate, the first sliding blocks 301 which are slidably matched with the first sliding rails 203 are welded on two sides of the bottom of the two carrier plates 3, the first nuts 302 are welded on the centers of the bottoms of the two first carrier plates 3, the two first nuts 302 are respectively in threaded fit with two ends of the bidirectional screw 204, the first hand-operated wheel 205 is arranged, so that the bidirectional screw 204 can rotate more labor-saving, the two ends of the bidirectional screw 204 are provided with threads with different rotation directions, the bidirectional screw 204 rotates, the first nuts 302 at the two ends of the bidirectional screw 204 can move on the bidirectional screw 204, and the two first nuts 302 synchronously move in the same direction or in opposite directions.

In an alternative implementation manner of this embodiment, the second slide rail 303 is horizontally welded at one end of the top of the two carrier plates 3 away from the fixed block 4, the screw rods 304 are horizontally and rotatably matched at one end of the top of the two carrier plates 3 away from the fixed block 4, the second rocking wheels 305 are rotatably matched at one end of the two carrier plates 3 away from the fixed block 4, the two second rocking wheels 305 are respectively connected with the two screw rods 304, the second slide blocks 502 slidingly matched with the second slide rail 303 are welded at the bottoms of the two movable blocks 5, the two movable blocks 5 are respectively movably matched at one end of the top of the two carrier plates 3 through the second slide blocks 502 at the bottoms, the second nuts 503 are respectively welded at the bottoms of the two movable blocks 5, the two second nuts 503 are respectively in threaded fit with the two screw rods 304, the two second rocking wheels 305 respectively control the two screw rods 304, so that the positions of the two movable blocks 5 are adjusted first, and the positions of the two adjustable guard plates 501 are adjusted.

In an alternative implementation manner of this embodiment, the support assembly 6 further includes a clamping plate 606 and a bearing 605, the bearing 605 is fixed at the bottom of the clamping plate 606, the adjusting rod 602 is rotatably matched at the bottom of the clamping plate 606 through the bearing 605, the anti-slip holding sleeve 604 is arranged on the adjusting rod 602, and the holding sleeve 604 is arranged, so that a worker can conveniently rotate the adjusting rod 602.

In an optional implementation manner of this embodiment, draw-in groove 201 has all been seted up in backup pad 2 bottom four corners, draw-in groove 201 one end both sides have all welded limiting plate 202, the width of draw-in groove 201 and the width adaptation of cardboard 606, in the cardboard 606 card goes into draw-in groove 201, supporting component 6 is fixed with fixed component 1 through cardboard 606 at top in this protective bracket, the assembled mode of supporting component 6 and fixed component 1 is simple, convenient and fast that use, simultaneously, supporting component 6 can be dismantled with fixed component 1, supporting cylinder 601 and regulation pole 602 in the supporting component 6 also can be dismantled, make this protective bracket carry the transportation and deposit more convenient, simultaneously, also make this protective bracket can be in the delivery coal roadway under the dismantlement state, assemble in the colliery roadway, and then make this protective bracket use more convenient in narrow and small colliery roadway.

In an optional implementation manner of this embodiment, the bottom of the support cylinder 601 is horizontally fixed with the pedal 607, the center of the bottom of the pedal 607 is vertically welded with the main nail 608, the bottom of the pedal 607 is welded with a plurality of auxiliary nails 609 around the main nail 608, the main nail 608 is used for fixing the support component 6, the auxiliary nails 609 beside the main nail 608 can strengthen the stability of the support component 6 on the ground, and further improve the stability of the fixation of the protective support.

When in use, firstly, the clamping plates 606 at the tops of the four support assemblies 6 are respectively clamped into the clamping grooves 201 at the bottoms of the support plates 2, the main nails 608 and the auxiliary nails 609 at the bottoms of the support assemblies 6 are inserted into the ground of a coal mine roadway, the main nails 608 are used for fixing the support assemblies 6, the auxiliary nails 609 beside the main nails 608 can enhance the stability of the support assemblies 6 on the ground so as to improve the stability of the protection support, then the adjusting rods 602 on the four support assemblies 6 are respectively rotated to adjust the heights of the four support assemblies 6, the fixing assemblies 1 are adjusted to a proper height, the fixing assemblies 1 are kept in a horizontal state, the adjusting rods 602 are rotated by using the holding sleeves 604 to drive the screws 603 to rotate, the depths of the screws 603 entering the support cylinders 601 are adjusted by rotating the screws 603, the heights of the support assemblies 6 are adjusted, the height of the protective bracket can be adjusted, so that the protective bracket can be suitable for coal mine roadways with different heights, the adaptability of the protective bracket to the use environment is stronger, meanwhile, the height of a measuring instrument fixed on the protective bracket can be adjusted by adjusting the height of the protective bracket, thereby meeting the requirement of the measuring instrument for measuring at different heights, the use of the protective bracket is more flexible, the heights of four supporting components 6 in the protective bracket can be independently adjusted, and the heights of the four supporting components 6 are adjusted, so that on one hand, the angle of a fixed component 1 on the protective bracket can be changed, the angle of the measuring instrument fixed on the protective bracket can be further changed, the measurement requirement of the measuring instrument under different inclination angles can be met, thereby further improving the use flexibility of the protective bracket, on the other hand, the protection support is supported more stably in a rugged coal mine roadway, the use stability of the protection support in the coal mine roadway is further improved, the protection support is more reliably used, the support component 6 in the protection support is fixed with the fixing component 1 through the clamping plate 606 at the top, the assembly mode of the support component 6 and the fixing component 1 is simple, the use is convenient and quick, meanwhile, the support component 6 and the fixing component 1 are detachable, the support cylinder 601 and the adjusting rod 602 in the support component 6 can be detached, so that the protection support is more convenient to carry, transport and store, meanwhile, the protection support can be assembled in the coal mine roadway in a detached state, the protection support is more convenient to use in a narrow coal mine roadway, finally, the first hand-shaking wheel 205 is rotated according to the size of a measuring instrument, the two-way screw rod 204 is enabled to rotate, the first nuts 302 at the bottoms of the two carrier plates 3 can move in the same direction or in opposite directions on the two-way screw rod 204 because the first nuts 302 cannot rotate, so as to drive the two carrier plates 3 to move in the same direction or in opposite directions, the distance between the two carrier plates 3 is adjusted, the distance between the fixed blocks 4 on the two carrier plates 3 is smaller than the width of a measuring instrument, the measuring instrument can be put down between the two fixed protection plates 401, the two second rocking wheels 305 are respectively rotated, the two screw rods 304 are enabled to rotate, the two second nuts 503 are enabled to move by rotating the two screw rods 304, the two second nuts 503 respectively drive the two movable blocks 5 to move, the distance between the two movable blocks 5 and the two fixed blocks 4 is smaller than the length of the measuring instrument, the measuring instrument can be put down between the two adjustable protection plates 501, after the position adjustment of the two movable blocks 5 and the two fixed blocks 4 is completed, placing geological measuring instrument on two movable blocks 5 and two fixed blocks 4, through rotating first hand wheel 205 and second hand wheel 305 once more, make two fixed guard plates 401 and two adjustable protection plates 501 press from both sides measuring instrument tightly, simultaneously, two fixed guard plates 401 and two adjustable protection plates 501 play a guard action to measuring instrument, this protective bracket is fixed to measuring instrument centre gripping through two fixed guard plates 401 and two adjustable protection plates 501, make measuring instrument can be stable at colliery intra-roadway operation, play a stable supporting's effect to measuring instrument, simultaneously, two fixed guard plates 401 and two adjustable protection plates 501 surround measuring instrument, avoid measuring instrument to be smash by the falling stone around in the colliery, play a guard action to measuring instrument, use this protective bracket, make measuring instrument's operation safer in the colliery, two fixed blocks 4 and two movable blocks 5 on fixed subassembly 1 in this protective bracket all can be adjusted, make fixed subassembly 1 adapt to measuring instrument not the measuring instrument centre gripping fixed, thereby make this two adjustable protection plates can also be adjusted independently in the two adjustable protection plates 501, thereby can improve the protective effect to two adjustable protection plates 501, and can make two adjustable protection plates 501 more closely adjust the protective bracket.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Safety protection support for coal mine geological survey, including fixed subassembly (1) and supporting component (6), its characterized in that: four supporting component (6) support in fixed subassembly (1) bottom, wherein, fixed subassembly (1) is including a backup pad (2) and two carrier plates (3), two carrier plates (3) remove the cooperation at backup pad (2) top, two carrier plates (3) top one end all is fixed with fixed block (4), two carrier plates (3) keep away from the one end of fixed block (4) and all remove the cooperation and have movable block (5), two all vertically be fixed with a fixed guard plate (401) on fixed block (4), two all vertically be fixed with an adjustable guard plate (501) on movable block (5), supporting component (6) are including support cylinder (601) and regulation pole (602), support cylinder (601) inner wall is equipped with the screw thread, regulation pole (602) bottom is connected with screw rod (603), screw rod (603) are followed support cylinder (601) top and are inserted in support cylinder (601), just screw rod (603) and support cylinder (601) screw fit.

2. A safety shield support for geological survey of coal mine according to claim 1, wherein: the equal horizontal welding in backup pad (2) top both sides has first slide rail (203), backup pad (2) top center normal running fit has two-way lead screw (204), backup pad (2) one end normal running fit has with drive two-way lead screw (204) pivoted first hand wheel (205), two carrier plate (3) bottom both sides all weld have with first slide rail (203) sliding fit's first slider (301), two first carrier plate (3) bottom centers all weld have first nut (302), two first nuts (302) respectively screw-fit at the both ends of two-way lead screw (204).

3. A safety shield support for geological survey of coal mine according to claim 1, wherein: the equal horizontal welding of one end that fixed block (4) was kept away from at two carrier plates (3) tops has second slide rail (303), the equal horizontal normal running fit of one end that fixed block (4) was kept away from at two carrier plates (3) tops has lead screw (304), the equal normal running fit of one end that fixed block (4) was kept away from to two carrier plates (3) has second rocking wheel (305), two second rocking wheel (305) are connected with two lead screws (304) respectively, the bottom of two movable blocks (5) all welds second slider (502) with second slide rail (303) sliding fit, the second slider (502) of two movable blocks (5) all through the bottom respectively remove the cooperation in two carrier plates (3) top one end, the bottom of two movable blocks (5) all welds second nut (503), two second nut (503) screw-thread fit respectively on two lead screws (304).

4. A safety shield support for geological survey of coal mine according to claim 1, wherein: the support assembly (6) further comprises a clamping plate (606) and a bearing (605), the bearing (605) is fixed at the bottom of the clamping plate (606), the adjusting rod (602) is in rotary fit with the bottom of the clamping plate (606) through the bearing (605), and the anti-slip holding sleeve (604) is arranged on the adjusting rod (602).

5. A safety shield support for geological survey of coal mine as claimed in claim 4, wherein: clamping grooves (201) are formed in four corners of the bottom of the supporting plate (2), limiting plates (202) are welded on two sides of one end of each clamping groove (201), the width of each clamping groove (201) is matched with the width of each clamping plate (606), and each clamping plate (606) is clamped into each clamping groove (201).

6. A safety shield support for geological survey of coal mine according to claim 1, wherein: the bottom of the supporting cylinder (601) is horizontally fixed with a pedal (607), the center of the bottom of the pedal (607) is vertically welded with a main nail (608), and the bottom of the pedal (607) is obliquely welded with a plurality of auxiliary nails (609) around the main nail (608).