CN111058790A

CN111058790A - Mine wellhead protection device for mine hoist

Info

Publication number: CN111058790A
Application number: CN201911279659.4A
Authority: CN
Inventors: 吴岩
Original assignee: Individual
Current assignee: Shaanxi Xiangrui Electromechanical Equipment Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-24
Anticipated expiration: 2039-12-13
Also published as: CN112523554A; CN112523554B; CN112523553B; CN112523553A; CN111058790B

Abstract

The invention belongs to the technical field of mineral excavation, and particularly discloses a mine wellhead protection device for a mine hoist, which comprises a bottom plate, wherein fixing rods for fixing the bottom plate are arranged at the top corners of the bottom plate, a protective guard is arranged between every two adjacent fixing rods, and a ceiling for preventing rain and water is fixedly supported on the inner side of the protective guard through a plurality of supporting rods. The assembly of the bottom plate is more stable.

Description

Mine wellhead protection device for mine hoist

Technical Field

The invention relates to the technical field of mineral excavation, in particular to a mine wellhead protection device for a mine hoist.

Background

The mine is a general name of a roadway, an underground chamber, equipment, a ground building and a structure forming an underground coal mine production system, the development of the mine can be divided into vertical shaft development, inclined shaft development, adit development and comprehensive development, after the vertical shaft development, a well mouth needs to be protected, on one hand, the phenomenon of collapse of the well mouth is avoided, and on the other hand, the phenomenon of falling of personnel is avoided;

the prior mine wellhead protection device has the following problems when in use:

1. the existing protection device is complex to install, needs a lot of workers to help to build the protection device, and wastes time and labor;

2. when the existing protection device is fixed, the mode that the fixing rod is inserted into the ground for fixing is unstable, and the existing protection device can topple over in windy weather;

3. rainwater in rainy weather drops from the periphery of the ceiling, so that the blueprints near the wellhead are loosened, and the rainwater in rainy weather cannot be automatically and intelligently collected and supplied to daily life of workers;

therefore, there is a need for a mine wellhead protection device for a mine hoist that solves the above problems.

Disclosure of Invention

The invention aims to provide a mine wellhead protection device for a mine hoist, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mine well head protector for mine winder, includes the bottom plate, each apex angle department of bottom plate is provided with the dead lever that is used for fixed bottom plate, and is adjacent install the rail guard between the dead lever, the rail guard inboard has the ceiling that is used for rain-proof and catchment through a plurality of spinal branch vaulting pole fixed stay.

Through protecting vertical mine well head, can effectually prevent that the mine well head from appearing the phenomenon of collapsing, can also effectually prevent that personnel from falling into the mine, simultaneously, can also effectually prevent that rainy weather rainwater from irritating into the mine.

As a preferred technical scheme, the bottom plate comprises a first splicing plate, a second splicing plate and a third splicing plate;

the first splicing plate is located in the middle of the bottom plate, second splicing plates are mounted on two sides of the first splicing plate, a third splicing plate is mounted on one side of the second splicing plate, first clamping seats are arranged on two sides of the first splicing plate and one side of the third splicing plate, second clamping seats are arranged on two sides of the second splicing plate, the first splicing plate and the second splicing plate and the third splicing plate are fixedly connected through the first clamping seats and the second clamping seats, limiting holes are formed in the top corners of the bottom plate, a mine wellhead is formed in the middle of the first splicing plate and the second splicing plate, and vertical downward limiting plates are arranged on the periphery of the mine wellhead;

the bottom end of the fixed rod is provided with a ground grabbing seat, the upper surface of the ground grabbing seat is provided with a ground grabbing ring, and the bottom end of the ground grabbing seat is provided with a plurality of inserted rods.

The protection device can be assembled quickly, so that the protection device is convenient to mount, convenient to dismount and carry, and labor and time for mounting and dismounting the protection device are saved.

According to the preferable technical scheme, second screw holes are formed in the two ends of each of the first splicing plate, the second splicing plate and the third splicing plate, all the second screw holes are connected in a penetrating mode through second screw rods, and the two ends of each second screw rod are fixedly connected with the third splicing plate through fastening nuts.

The bottom plate can be spliced more stably and firmly, and the phenomenon of instability caused by splicing can be avoided.

As preferred technical scheme, first screw hole has been seted up on the dead lever top, the measurement seat is installed on the dead lever top, measurement seat internally mounted has infrared distance meter, it is provided with first threaded rod to measure the seat bottom, through first screw hole and first threaded rod fixed connection between dead lever and the measurement seat, infrared distance measuring hole has all been seted up to two adjacent sides of measurement seat.

Not only can measure the distance between two dead levers, guarantee to accomplish the fixed to the bottom plate, simultaneously, be convenient for dismantle the measuring seat for can pass the bottom plate from the dead lever top, accomplish the fixed to the bottom plate.

According to the preferable technical scheme, a rotating ring is sleeved on the outer side of the fixed rod, a ball is clamped between the fixed rod and the rotating ring, fixed clamping grooves are formed in the edge portions of the upper end and the lower end of the rotating ring, and limiting grooves are formed in the upper end and the lower end of the rotating ring;

the protective guard is formed by hinging a plurality of protective rods, the two ends of the protective guard are respectively provided with a fixed clamping plate, and one end of each fixed clamping plate is provided with an arc-shaped limiting plate.

The guard rail is convenient to fixedly install, and meanwhile, the guard rail is convenient to rapidly detach.

According to the preferable technical scheme, the horizontal cross section of the arc limiting plate is arc-shaped, the length and the width of the arc limiting plate are equal to those of the fixed clamping groove, and the thickness of the arc limiting plate is equal to that of the limiting groove.

The guard rail is more stable after being installed, and the phenomenon of shaking or loosening cannot occur.

As a preferred technical scheme, a plurality of the protection rods are connected through shrinkage rubber bands.

After the protective guard is disassembled, the protective guard can be automatically contracted by using the elasticity of the contracting rubber band, and the occupied space of the protective guard in the carrying process is reduced.

As a preferred technical scheme, the supporting rod is fixedly installed through a fixing component, and the fixing component comprises a fixing seat;

the bottom end of the inside of the fixed seat is provided with a first contact, and the bottom end of the supporting rod is provided with a second contact;

the ceiling comprises a drainage groove, a water collecting groove and a water collecting cavity;

a plurality of drainage grooves are formed in each edge portion of the top end of the ceiling, a water collecting groove is formed in the bottom end of the drainage groove, a water collecting cavity is formed in the ceiling, a drain pipe is installed at the bottom end of the ceiling, and an electromagnetic valve is installed at the middle end of the drain pipe.

The rainwater can be collected in rainy weather, on one hand, the phenomenon that soil near the protective device is loosened due to rainwater dripping is avoided, the stability of a mine well mouth is influenced, the rainwater can be drained to a position far away from the mine well mouth, and on the other hand, the rainwater can be collected and can be supplied to workers for use.

As a preferred technical scheme, a supporting spring is installed at the bottom end inside the fixing assembly, a sliding seat is arranged at the top end of the supporting spring and located inside the fixing seat in a sliding mode, and a contact groove is formed in the bottom end inside the sliding seat.

When the rainwater in the water collecting cavity is fully collected, redundant rainwater is automatically discharged, and the phenomenon that the collected rainwater is overflowed due to too much rainwater is avoided.

According to the optimal technical scheme, a solar cell panel is installed at the top end of the ceiling, a power supply box is installed at the top end inside the water collecting cavity, a storage battery is installed on one side inside the power supply box, an inverter is installed on the other side inside the power supply box, the output end of the solar cell panel is electrically connected with the input end of the storage battery, the output end of the storage battery is electrically connected with the input end of the inverter, the inverter is electrically connected with a first contact and a second contact, and the first contact and the second contact are electrically connected with the electromagnetic valve.

So that the solar energy can be utilized to supply power for the normal use of the whole protection device, and the energy is saved.

Compared with the prior art, the invention has the beneficial effects that:

1. be provided with first splice plate, the second splice plate, the third splice plate, first cassette and second cassette, be convenient for assemble the bottom plate, be provided with the second screw, second screw rod and fastening nut, be convenient for fix the bottom plate after assembling, avoid the bottom plate not hard up phenomenon to appear in the in-process that uses, make the equipment of bottom plate more stable, and simultaneously, also be convenient for dismantle and carry the bottom plate, can also change first splice plate and second splice plate according to the size of mine well head, need not change whole bottom plate, the manufacturing cost of bottom plate has been reduced.

2. Be provided with and grab the ground seat, grab ground ring and inserted bar, make the area of contact between increase dead lever and the ground earth, make the dead lever more stable when fixing the bottom plate, can not lead to the dead lever to take place the slope and lead to whole protector unstability because of strong wind weather, and, utilize measurement seat and infrared distance measurement hole, can measure the distance between the dead lever, make the distance between the dead lever equal to the distance between the adjacent spacing hole, be convenient for to the fixed mounting of bottom plate, utilize first screw hole and first threaded rod, be convenient for dismantle and install the measurement seat, be convenient for insert the bottom plate from the dead lever top, and simultaneously, be convenient for change and overhaul the infrared distance meter of measurement seat inside.

3. Be provided with rotating ring, fixed slot, spacing groove, fixed cardboard and arc limiting plate for go into fixed slot with arc limiting plate card, and rotate the rotating ring, can accomplish the fixed mounting to the rail guard, make the installation convenient and fast more of rail guard, simultaneously, utilize the shrink rubber band to contract the fender rod, make the rail guard after the dismantlement can contract by oneself, reduced the occupation space in the rail guard handling, the transport of being convenient for more.

4. Be provided with drainage groove, water catch bowl and collecting chamber for can collect rainy weather's rainwater, avoid too much rainwater to drip near mine well head on the one hand and lead to near the soil property loose of well head, influence the stability of mine well head, on the other hand can collect the rainwater, supplies with the workman and uses.

5. Be provided with the fixing base, first contact, supporting spring, the sliding seat, recess and second appear appears, when the rainwater of collecting the intracavity portion reaches the threshold value, supporting spring is compressed to the least significant end, first contact and second contact looks contaction, make the power of solenoid valve switched on, first solenoid valve is opened, the rainwater of collecting the intracavity portion is arranged to the position of keeping away from the mine well head through the drain pipe, after certain water yield discharges, first contact and second contact looks separation, the power of disconnection solenoid valve, the solenoid valve is closed, make can realize automatic and intelligent control to collecting the intracavity portion and collecting the rainwater volume, avoid the rainwater to collect too much and lead to spilling over, avoid collecting the rainwater simultaneously and lead to too much ceiling unstability appearance to empty the phenomenon, whole protector's stability has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of a mine wellhead protection device for a mine hoist of the present invention;

FIG. 2 is a schematic structural view of a mine wellhead protector anchor bar for a mine hoist of the present invention;

FIG. 3 is a sectional view of the installation of a rotary collar of a mine wellhead guard for a mine hoist of the present invention;

FIG. 4 is a schematic illustration of a splice of a mine wellhead guard floor for a mine hoist of the present invention;

FIG. 5 is a schematic view of a protective guard of a mine wellhead protective device for a mine hoist according to the present invention;

FIG. 6 is a cross-sectional view of a mine wellhead guard mounting assembly for a mine hoist of the present invention;

FIG. 7 is a schematic structural view of a mine wellhead guard ceiling for a mine hoist of the present invention;

fig. 8 is a cross-sectional view of a mine wellhead guard ceiling for a mine hoist of the present invention.

Reference numbers in the figures: 1. a base plate; 101. a first splice plate; 102. a second splice plate; 103. a third splice plate; 104. a first card holder; 105. a second card holder; 106. a limiting hole; 107. a limiting plate; 108. a second screw hole; 109. a second screw; 110. fastening a nut;

2. fixing the rod; 201. a ground grabbing seat; 202. a ground grabbing ring; 203. inserting a rod; 204. a first threaded hole; 205. a measuring seat; 206. a first threaded rod; 207. an infrared distance measuring hole; 208. a rotating ring; 209. a ball bearing; 210. fixing the clamping groove; 211. a limiting groove;

3. protecting the fence; 301. a guard bar; 302. fixing the clamping plate; 303. an arc limiting plate; 304. contracting the rubber band;

4. a support bar; 401. a first contact;

5. a ceiling; 501. a drainage groove; 502. a water collection tank; 503. a water collection cavity; 504. a drain pipe; 505. an electromagnetic valve;

6. a fixing assembly; 601. a fixed seat; 602. a first contact; 603. a support spring; 604. a sliding seat; 605. a contact groove;

7. a solar panel; 8. a power supply box; 9. a storage battery; 10. an inverter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-8, a mine wellhead protection device for a mine hoist comprises a bottom plate 1, fixing rods 2 for fixing the bottom plate 1 are arranged at each vertex angle of the bottom plate 1, a protective guard 3 is arranged between every two adjacent fixing rods 2, and a ceiling 5 for preventing rain and collecting water is fixedly supported on the inner side of the protective guard 3 through a plurality of supporting rods 4.

The bottom plate 1 comprises a first splicing plate 101, a second splicing plate 102 and a third splicing plate 103;

the first splicing plate 101 is positioned in the middle of the bottom plate 1, the second splicing plate 102 is arranged on two sides of the first splicing plate 101, the third splicing plate 103 is arranged on one side of the second splicing plate 102, the first clamping seats 104 are arranged on two sides of the first splicing plate 101 and one side of the third splicing plate 103, the second clamping seats 105 are arranged on two sides of the second splicing plate 102, the space between the first splicing plate 101 and the second splicing plate 102 and the space between the second splicing plate 102 and the third splicing plate 103 are fixedly connected through the first clamping seats 104 and the second clamping seats 105, in order to quickly assemble the bottom plate 1, the single-person assembly can be carried out, the labor cost is saved, meanwhile, the bottom plate 1 is convenient to disassemble and carry, the material cost is saved, the limiting holes 106 are arranged at all top corners of the bottom plate 1 and used for fixing the bottom plate 1 after the assembly, the stability of the whole bottom plate 1 in the process of protecting the mine wellhead is ensured, and the phenomenon of moving or shaking does, the middle parts of the first splicing plate 101 and the second splicing plate 102 form a mine wellhead, and a limiting plate 107 which is vertically downward is arranged around the mine wellhead and used for protecting the mine wellhead to prevent soil or broken stones from falling off from the mine wellhead;

the 2 bottom of dead lever is provided with grabs ground seat 201, grabs ground seat 201 upper surface and is provided with and grabs ground ring 202, grabs ground seat 201 bottom and is provided with a plurality of inserted bars 203, grab ground seat 201 and grab ground ring 202 and all be for enlarging the area of contact between dead lever 2 and the ground earth for dead lever 2 when fixing bottom plate 1 more stable with firm, can not lead to dead lever 2 not hard up because bad weather such as strong wind, lead to protector unstable.

Second screw holes 108 are formed in the two ends of the first splicing plate 101, the two ends of the second splicing plate 102 and the two ends of the third splicing plate 103, all the second screw holes 108 are connected in a penetrating mode through second screw rods 109, the two ends of each second screw rod 109 are fixedly connected with the corresponding third splicing plate 103 through fastening nuts 110, and the first splicing plate 101, the second splicing plate 102 and the third splicing plate 103 are fixed for the second time, so that stability is guaranteed, and the separation phenomenon is avoided.

First screw hole 204 has been seted up on 2 tops of dead lever, measurement seat 205 is installed on 2 tops of dead lever, measurement seat 205 internally mounted has infrared distance meter, measurement seat 205 bottom is provided with first threaded rod 206, through first screw hole 204 and first threaded rod 206 fixed connection between dead lever 2 and the measurement seat 205, for the convenience of dismantling measurement seat 205, make can alternate the spacing hole 106 of third concatenation board 103 in the dead lever 2 outside, and simultaneously, be convenient for change and overhaul the infrared distance meter of measuring seat 205 inside, infrared distance meter hole 207 has all been seted up to two adjacent sides of measurement seat 205, be used for transmission and receiving infrared ray, measure the distance between two dead levers 2, guarantee that the distance between dead lever 2 is the distance between two spacing holes 106.

A rotating ring 208 is sleeved on the outer side of the fixed rod 2, a ball 209 is clamped between the fixed rod 2 and the rotating ring 208, so that the smoothness of the rotating ring 208 in the rotating process is ensured, fixing clamping grooves 210 are formed in the edge parts of the upper end and the lower end of the rotating ring 208, and limiting grooves 211 are formed in the upper end and the lower end of the rotating ring 208 and used for quickly and fixedly mounting the guard rail 3;

the guard rail 3 is formed by hinging a plurality of guard rods 301, so that the guard rail 3 can be contracted, the two ends of the guard rail 3 are respectively provided with a fixed clamping plate 302, one end of each fixed clamping plate 302 is provided with an arc-shaped limiting plate 303, and the fixed clamping plates can be clamped into the fixed clamping grooves 210 and the limiting grooves 211, so that the fixation and installation of the guard rail 3 are completed.

The horizontal cross section of arc limiting plate 303 is the arc, in order to laminate each other with 2 inner walls of dead lever, guarantee the stability of block, the length and the width of arc limiting plate 303 are equalling in fixed slot 210's length and width, in order to make arc limiting plate 303 can block into spacing groove 211 through fixed slot 210 card completely, the thickness of arc limiting plate 303 equals the width of spacing groove 211, in order to guarantee that arc limiting plate 303 can not take place to rock in spacing groove 211, guarantee 3 stable after installing of rail guard.

The plurality of guard bars 301 are connected by a retractable rubber band 304, so that the guard rail 3 can be automatically retracted by the elastic force of the retractable rubber band 304 after the guard rail 3 is disassembled.

The support rod 4 is fixedly installed through a fixing component 6, and the fixing component 6 comprises a fixing seat 601;

the bottom end in the fixing seat 601 is provided with a first contact 602, the bottom end of the support rod 4 is provided with a second contact 401, and when the first contact 602 and the second contact 401 are contacted with each other, the power supply of the electromagnetic valve 505 can be conducted, so that the electromagnetic valve 505 can automatically discharge redundant rainwater in the water collecting cavity 503;

the ceiling 5 comprises a drainage groove 501, a water collecting groove 502 and a water collecting cavity 503;

a plurality of drainage grooves 501 have been seted up to each limit portion in 5 tops of ceiling for drainage to the rainwater, water catch bowl 502 has been seted up to drainage groove 501 bottom, be used for collecting the rainwater, the chamber 503 that catchments has been seted up to 5 inside ceilings, be used for storing the rainwater of collecting, drain pipe 504 is installed to 5 bottoms of ceiling, solenoid valve 505 is installed to drain pipe 504 middle-end, be arranged in the chamber 503 that catchments unnecessary rainwater through solenoid valve 505 and drain pipe 504 and discharge.

The bottom end in the fixed component 6 is provided with a supporting spring 603 for supporting the supporting rod 4 and the ceiling 5, when rainwater in the water collecting cavity 503 exceeds a set threshold, the supporting spring 603 is completely compressed, the top end of the supporting spring 603 is located in the fixed seat 601, and a sliding seat 604 is slidably mounted in the fixed seat 601 for sliding in the fixed seat 601, so that the first contact 602 is in contact with the second contact 401, and the bottom end in the sliding seat 604 is provided with a contact groove 605 for the first contact 401 to pass through the contact groove 605 and to be in contact with the second contact 602.

Solar cell panel 7 is installed on 5 tops of ceiling, be used for converting solar energy into the electric energy, supply with protector and use, power pack 8 is installed on the inside top in chamber 503 catchments, battery 9 is installed to the inside one side of power pack 8, be used for storing the electric energy of solar cell panel 7 conversion, inverter 10 is installed to the inside opposite side of power pack 8, be used for converting the direct current into the alternating current, solar cell panel 7's output electric connection battery 9's input, the input of battery 9's output electric connection inverter 10, inverter 10 and first contact 602 and second contact 401 electric connection, first contact 602 and second contact 401 and solenoid valve 505 electric connection.

The working principle is as follows: in the process of using the mine wellhead protection device for the mine hoist, firstly, the protection device needs to be fixedly installed, four fixing pits are dug out around the mine wellhead, the inserted rod 203 at the bottom end of the fixing rod 2 is inserted into the fixing pits, then soil is stacked on the ground grabbing seat 201 and the ground grabbing ring 202, the fixing rod 2 is fixed, the distance between the fixing rods 2 is measured by using the measuring seat 205 and an infrared distance meter inside the measuring seat 205, so that the distance between two adjacent fixing rods 2 is equal to the distance of the limiting hole 106, then the measuring seat 205 is taken down from the top end of the fixing rod 2, the limiting plate 107 of the first splicing plate 101 is clamped on the inner wall of the mine wellhead, then the second clamping seat 105 of the second splicing plate 102 is clamped inside the first clamping seat 104 of the first splicing plate 101, and the limiting plate 107 of the second splicing plate 102 is clamped on the side wall of the mine wellhead, the limiting hole 106 of the third splicing plate 103 is sleeved outside the fixing rod 2, then the first clamping seat 104 of the third splicing plate 103 is clamped on the second clamping seat 105 of the second splicing plate 102, the fixed installation of the bottom plate 1 is completed, moreover, the first splicing plate 101 and the second splicing plate 102 can be replaced according to the size of the mine wellhead, then, the second screw 109 is inserted into the second screw hole 108 and fixed by the fastening nut 110, the fixing of the base plate 1 and the fixing rod 2 is completed, and then the installation of the guard rail 3 is required to be completed, the guard rail 3 is extended, then the arc-shaped limiting plates 303 at the two ends of the guard rail 3 are clamped into the limiting grooves 211 through the fixing clamping grooves 210, the rotation ring 208 is rotated by the balls 209 to engage the arc-shaped limiting plate 303, namely, the fixed installation of the guard rail 3 is completed, the convenience and the rapidness are realized, and then the whole ceiling 5 is inserted into the fixed seat 601 through the support rod 4;

the solar panel 7 is utilized to convert solar energy into electric energy and store the electric energy in the storage battery 9, when raining, rainwater enters the water collecting cavity 503 through the drainage groove 501 and the water collecting groove 502, the rainwater is collected by the water collecting cavity 503, moreover, the storage battery 9 can be cooled by rainwater in the water collecting cavity 503, when more and more rainwater is collected in the water collecting cavity 503, the supporting spring 603 is compressed, when the supporting spring 603 is compressed to the lowest end, the first contact 602 and the second contact 401 are in contact with each other, the power supply of the electromagnetic valve 505 is conducted, at this time, the drainage pipe 504 drains the rainwater collected in the water collecting cavity 503 to a position far away from the mine wellhead, when a certain amount of rainwater is discharged, the first contact 602 and the second contact 401 are separated from each other, the power supply of the electromagnetic valve 505 is cut off, and the rainwater cannot be discharged any more, so that intelligent automatic control can be realized;

when needs are dismantled it, rotate swivel ring 208 once more for arc limiting plate 303 is from the inside roll-off of spacing groove 211, and rail guard 3 is automatic shrink under the effect of shrink rubber band 304, convenient and fast, convenient transport simultaneously, the same mounting means of installation to bottom plate 1 and dead lever 2 dismantle can.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A mine wellhead protection device for a mine hoist, comprising a base plate (1), characterized in that: each apex angle department of bottom plate (1) is provided with dead lever (2) that are used for fixed bottom plate (1), and is adjacent install rail guard (3) between dead lever (2), rail guard (3) inboard is fixed support through a plurality of spinal branch vaulting poles (4) has ceiling (5) that are used for rain-proof and catchment.

2. The mine wellhead protector for a mine hoist of claim 1, wherein: the bottom plate (1) comprises a first splicing plate (101), a second splicing plate (102) and a third splicing plate (103);

the first splicing plate (101) is positioned in the middle of the bottom plate (1), the second splicing plates (102) are arranged on the two sides of the first splicing plate (101), a third splicing plate (103) is arranged on one side of the second splicing plate (102), a first clamping seat (104) is arranged on two sides of the first splicing plate (101) and one side of the third splicing plate (103), second clamping seats (105) are arranged on two sides of the second splicing plate (102), the first splicing plate (101) and the second splicing plate (102) and the third splicing plate (103) are fixedly connected through the first clamping seats (104) and the second clamping seats (105), limiting holes (106) are formed in each vertex angle of the bottom plate (1), a mine wellhead is formed in the middle of the first splicing plate (101) and the second splicing plate (102), and vertically downward limiting plates (107) are arranged on the periphery of the mine wellhead;

the ground grabbing device is characterized in that a ground grabbing seat (201) is arranged at the bottom end of the fixing rod (2), a ground grabbing ring (202) is arranged on the upper surface of the ground grabbing seat (201), and a plurality of inserting rods (203) are arranged at the bottom end of the ground grabbing seat (201).

3. The mine wellhead protector for a mine hoist of claim 2, wherein: a plurality of second screw holes (108) are formed in the two ends of the first splicing plate (101), the second splicing plate (102) and the third splicing plate (103), the second screw holes (108) are connected in a penetrating mode through second screw rods (109), and the two ends of the second screw rods (109) are fixedly connected with the third splicing plate (103) through fastening nuts (110).

4. The mine wellhead protector for a mine hoist of claim 2, wherein: first screw hole (204) have been seted up on dead lever (2) top, measurement seat (205) are installed on dead lever (2) top, measurement seat (205) internally mounted has infrared distance meter, it is provided with first threaded rod (206) to measure seat (205) bottom, through first screw hole (204) and first threaded rod (206) fixed connection between dead lever (2) and measurement seat (205), infrared distance measurement hole (207) have all been seted up to two adjacent sides of measurement seat (205).

5. The mine wellhead protector for a mine hoist of claim 2, wherein: a rotating ring (208) is sleeved on the outer side of the fixed rod (2), a ball (209) is clamped between the fixed rod (2) and the rotating ring (208), fixing clamping grooves (210) are formed in the edge parts of the upper end and the lower end of the rotating ring (208), and limiting grooves (211) are formed in the upper end and the lower end of the rotating ring (208);

the protective guard (3) is formed by hinging a plurality of protective rods (301), two ends of the protective guard (3) are respectively provided with a fixed clamping plate (302), and one end of each fixed clamping plate (302) is provided with an arc-shaped limiting plate (303).

6. The mine wellhead protector for a mine hoist of claim 5, wherein: the horizontal cross section of the arc limiting plate (303) is arc, the length and the width of the arc limiting plate (303) are equal to those of the fixed clamping groove (210), and the thickness of the arc limiting plate (303) is equal to that of the limiting groove (211).

7. The mine wellhead protector for a mine hoist of claim 5, wherein: the plurality of the guard rods (301) are connected through shrinkage rubber bands (304).

8. The mine wellhead protector for a mine hoist of claim 1, wherein: the supporting rod (4) is fixedly installed through a fixing component (6), and the fixing component (6) comprises a fixing seat (601);

a first contact (602) is arranged at the bottom end inside the fixed seat (601), and a second contact (401) is arranged at the bottom end of the support rod (4);

the ceiling (5) comprises a drainage groove (501), a water collecting groove (502) and a water collecting cavity (503);

a plurality of drainage grooves (501) are formed in each side portion of the top end of the ceiling (5), a water collecting groove (502) is formed in the bottom end of the drainage groove (501), a water collecting cavity (503) is formed in the ceiling (5), a drain pipe (504) is installed at the bottom end of the ceiling (5), and an electromagnetic valve (505) is installed at the middle end of the drain pipe (504).

9. The mine wellhead protector for a mine hoist of claim 8, wherein: supporting spring (603) is installed to the inside bottom of fixed subassembly (6), supporting spring (603) top is located the inside slidable mounting of fixing base (601) and has sliding seat (604), contact recess (605) have been seted up to the inside bottom of sliding seat (604).

10. The mine wellhead protector for a mine hoist of claim 8, wherein: solar cell panel (7) are installed on ceiling (5) top, power pack (8) are installed on the inside top in chamber of catchmenting (503), battery (9) are installed to the inside one side of power pack (8), dc-to-ac converter (10) are installed to the inside opposite side of power pack (8), the input of output electric connection battery (9) of solar cell panel (7), the input of output electric connection dc-to-ac converter (10) of battery (9), dc-to-ac converter (10) and first contact (602) and second contact (401) electric connection, first contact (602) and second contact (401) and solenoid valve (505) electric connection.