CN209494590U - Suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming - Google Patents

Abstract

Suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, including the anti-collapse hole sleeve being arranged in vertical drilling, anti- collapse hole sleeve lower end is provided with the radial expansion locating piece at drilling orifice, radial expansion locating piece lower end is removably connected with T-type test alarm sheath assembly, the three root long degree not equal high-strength compressed steel cord that allows is equipped in anti-collapse hole sleeve, three high-strength to allow the upper end of compressed steel cord to be connected separately with the anchor fluke for being located in bore inner, three high-strength left sides for allowing the lower end of compressed steel cord to be connected to T-type test alarm sheath assembly after radial expansion locating piece, right side and lower part.The utility model is designed reasonably is easily installed, with strong points, is effectively solved the installation and fixation problem of separation indicator in fractured coal and rock, and energy automatic alarming, is improved the applicability of the utility model.

Description

Suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming

Technical field

The utility model belongs to Roadway Support Technology field, and in particular to one kind is suitable for reinforcing soft broken coal rock body automatic alarming More basic point separation indicators.

Background technique

Back roof collapse disaster is one of the significant threat that Safety of Coal Mine Production faces, and lot of domestic and international scholar surrounds lane The monitoring and warning technology of road roof collapse disaster has carried out a lot of research work.Since coal mine roof plate is generally typical layered structure, because This roof delamination amount is by as one of the important indicator data for judging fall of ground catastrophe.The prior art is big generally according to absciss layer amount Small judgement judges according to separating velocity or carries out disaster identification and early warning according to absciss layer acceleration.

Currently, the roof separation indicator that mine working generally uses is made of anchor fluke, wire and sleeve reading plotter, steel wire Line one end connects anchor fluke, is fixed on certain depth target position in rock body drilled, and the other end connects sleeve reading plotter, is fixed on Drilling orifice, when absciss layer, displacement occur for coal rock layer, wire pulls sleeve reading plotter pointer or instruction in target zone Ring indicates shift value.But for complex geologic conditions, the especially more broken mine of monitoring region coal and rock, tunnel Surface rock stratum usually ruptures after roadway excavation in a short time, and the rock stratum of rupture moves irregularly, the changing of the relative positions, and sleeve is caused to read Hell can not be installed and be stably fixed to device.

Roof separation indicator is mainly used for the roof delamination monitoring of coal mine roadway, instructs roof timbering parameter to choose and prevents Top plate roof fall accident occurs, but since underground coal mine geology mining conditions are complicated, when absciss layer occurs in roadway surrounding rock and continues to increase When, it is hidden that underground work personnel by conventional separation indicator are unable to learn in time the huge safety that roadway surrounding rock is generated due to absciss layer Suffer from, when tunnel, confining pressure absciss layer amount reaches critical value and roof fall occurs suddenly and causes safety accident, so one kind can be set in underground It can adapt to a variety of rock stratum conditions, and can forecast that the roof separation indicator warned seems particularly necessary in time.

Utility model content

The utility model provides a kind of automatic suitable for reinforcing soft broken coal rock body to solve shortcoming in the prior art It warns more basic point separation indicators, can effectively solve effective installation of more basic point separation indicators in reinforcing soft broken coal rock body and solid Determine and guarantee the problem of forecast is warned in time when more basic point separation indicators reach absciss layer amount critical value during delamination monitoring.

In order to solve the above technical problems, the utility model adopts the following technical solution: it is automatic to be suitable for reinforcing soft broken coal rock body It warns more basic point separation indicators, including the anti-collapse hole sleeve being arranged in vertical drilling, anti-collapse hole sleeve lower end, which is provided with, to be located at Radial expansion locating piece at drilling orifice, radial expansion locating piece lower end are removably connected with T-type test alarm sheath assembly, It is equipped with not equal high-strength of three root long degree in anti-collapse hole sleeve and allows compressed steel cord, three high-strength upper ends for allowing compressed steel cord connect respectively Be connected to the anchor fluke for being located in bore inner, three high-strength allow the lower end of compressed steel cord to pass through radial expansion locating piece after be separately connected Left side, right side and the lower part of alarm sheath assembly are tested in T-type.

Radial expansion locating piece includes that cover board, bevel gear, toothed disc and three claws, cover board are installed by bolt coaxial line Lower part is opened up there are three guide rail hole in anti-collapse hole sleeve lower end surface, anti-collapse hole sleeve, and three guide rail holes are along anti-collapse hole sleeve Circumferencial direction is evenly arranged, and toothed disc coaxial line is mounted on anti-collapse hole sleeve inner and is located on the downside of guide rail hole, three claws point It Dui Ying not be slidably mounted in three guide rail holes, the bottom of the upper side of toothed disc and three claws is threadedly coupled simultaneously, cover board Mounting hole is radially offered between upper side and anti-collapse hole sleeve lower end surface, in the center line and mounting hole of bevel gear Heart line is overlapped, and bevel gear is located at below toothed disc, and bevel gear engages with toothed disc, and bevel gear outer end is protruded into and is rotatably connected on peace It fills in hole, the outer end face center of bevel gear offers interior six side's card slots；Cover board downside coaxial line is fixedly connected with outer six ribs and passes Moving part, the center of outer six ribs driving member offer internal thread hole, the center of toothed disc and cover board offer on internal thread hole The through-hole of lower corresponding perforation.

T-type test alarm sheath assembly includes setting of casing, left casing and right casing, in setting of casing, left casing and right casing It is provided with the identical absciss layer amount scale alarm of a structure, cased upper end is protruded into and is threadedly coupled to outer six ribs and passes In the internal thread hole of moving part, left casing right end is vertically fixedly connected on setting of casing left upper portion, and right casing left end is vertically fixed to be connected It connects in setting of casing right upper portion；It is connected to inside left casing, right casing and setting of casing, left casing, right casing and cased outer circle Be provided with scale in the axial direction, three high-strength allow compressed steel cord first to sequentially pass through through-hole, setting of casing top after wear respectively again Enter and is connect in setting of casing, left casing and right casing with absciss layer amount scale alarm therein.

Absciss layer amount scale alarm in setting of casing includes that spring, baffle, slide plate and mechanical jingle bell and fluorescent bands are warned Device, setting of casing upper inside wall are provided with positioning ring, and spring is coaxially set in setting of casing, under baffle is arranged in setting of casing Portion, one high-strength to allow compressed steel cord to pass through spring connect with baffle, high-strength that the tensioning of compressed steel cord is allowed to pull baffle, baffle compression bullet Spring, spring upper end and positioning ring press cooperate, and mechanical jingle bell and fluorescent bands device of warning are mounted on baffle lower surface and are located at Outside setting of casing, slide opening is in axial direction offered on setting of casing, the arc-shaped structure of slide plate is slidably connected at outside setting of casing, sliding Piece is connect by slide opening with slide plate.

Anchor fluke top is in up-thin-low-thick truncated cone-shaped, and anchor fluke lower part is cylindrical, and anchor fluke is in the uniform cloth of cylindrical outer surface Equipped with 3 hangnail steel discs.

Three high-strength, and to allow compressed steel cord to be the diameter formed after stereotyped writing finer wire is threaded together be 1.0mm, and three high-strength to allow The length of compressed steel cord is respectively 10000mm, 6000mm and 2000mm.

Anti- collapse hole sleeve upper end coaxial line is fixedly connected with up-thin-low-thick guide cylinder, and the outer circle of anti-collapse hole sleeve is along axial Direction offers helicla flute.

By adopting the above technical scheme, the application method suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, packet Include following steps,

(1) six side's connectors in installing outside six rib driving members outside, the inside of interior six sides connector is up big and down small Interior six sides stepped hole, the interior biggish interior hexagonal hole in six sides connector top and outer six ribs driving member assemble, and first use six rib of a section Shape drilling rod pass through the lesser interior hexagonal hole in interior six sides connector lower part and sequentially pass through toothed disc and cover board through-hole and anti-collapse hole Anti- collapse hole sleeve upper port is stretched out in sleeve, six prismatic drilling rod upper ends；

(2) six prismatic drilling rod lower ends are installed on drilling machine, start drilling machine to reinforcing soft broken coal rock body up-hole, six prismatics Drilling rod drives anti-collapse hole sleeve rotating by interior six sides connector and outer six ribs driving member, the guide cylinder of anti-collapse hole sleeve upper end Internal diameter is greater than the six maximum tactical diameters of prismatic drilling rod, and since coal and rock is soft, under the guiding of guide cylinder, anti-collapse hole sleeve is very Easy just being rotated into drilling and supportting drilling greatly, until radial expansion locating piece enters brill with six prismatic drilling rods In the aperture in hole and when the interior six sides card slot of bevel gear outer end face is located at outside the aperture of drilling, drilling machine is closed, stops drilling, is taken out Six prismatic drilling rod out removes interior six side's connectors；

(3) it is inserted into bevel gear outer end face in six side's card slots using outer hexagon, tooth is bored in driving bevel gear rotation Wheel rotation drives toothed disc rotation, and three claws being threadedly coupled with toothed disc pass through a guide rail hole and are radially moved out Dynamic, claw further presses borehole wall outward and snaps fit onto hole wall, thus the positioning in drilling by anti-collapse hole sleeve；

(4) outer six ribs driving member then is passed through using cylindrical drilling rod and anti-collapse hole sleeve continues up drilling, it is cylindrical One section of drilling rod connects a section, stops drilling machine after 10 meters of depths are got in drilling, extracts cylindrical drilling rod out；

(5) it is inserted into upper anchor fluke bottom groove using straight-bar, the high-strength compressed steel that allows of a 10000mm long is connected on anchor fluke Cord, straight-bar are extend into drilling after sequentially passing through outer six rib driving members and anti-collapse hole sleeve upwards with anchor fluke, until by anchor Straight-bar is extracted out behind pawl top to 10 meters of depth, and outside anchor fluke under the action of hangnail steel disc, anchor fluke is securely seated between in drilling；

(6) high-strength two of compressed steel cord successively are allowed for be connected with 6000mm and 2000mm according to the process of step (5) Anchor fluke pushes into drilling and fixed；

(7) then by three it is high-strength allow compressed steel cord to respectively penetrate in left casing, right casing and setting of casing, by setting of casing Upper end protrude into and be threadedly coupled in the internal thread hole of outer six ribs driving member, three springs are then respectively put into left set In pipe, right casing and setting of casing, by three it is high-strength allow compressed steel cord to be separately connected baffle, make three firm compressed steel cord to be allowed to be in Tensioning state simultaneously makes spring be in compressive state；

(8) mechanical jingle bell and fluorescent bands device of warning are installed to and left casing left end, right casing right end and setting of casing Bottom is simultaneously connect with baffle；

(9) it is high-strength to allow compressed steel cord be by tensioning, the high-strength compressed steel that allows when reinforcing soft broken coal rock body deep basic point absciss layer occurs Cord pulling baffle overcomes the elastic force of spring, and the slide plate on left casing moves right along left casing, and the slide plate on right casing is along right Casing is moved to the left, and the slide plate on setting of casing is moved up along setting of casing, and when reinforcing soft broken coal rock body deep, basic point absciss layer amount reaches When to critical value, i.e., after slide plate is moved to certain position, touches mechanical jingle bell and fluorescent bands are warned device, thus automatic jingle bell It alarms and discharges fluorescence warning band simultaneously, middle part basic point in drilling can be measured respectively, produced by superficial part basic point and deep basic point Absciss layer amount.

The utility model has following technical effect that

1, since reinforcing soft broken coal rock body is in drilling, the easy collapse hole in one section of aperture of drilling, therefore the utility model exists Just anti-collapse hole sleeve is squeezed into drilling with brill when drilling for the first time, it is ensured that drilling via formations reliability.In anti-collapse hole excircle of sleeve The helicla flute of setting not only acts as convenient for entering the effect in drilling with six prismatic drilling rods, and after entering in drilling Play the role of axially position.The connection structure of helicla flute and the hole wall of drilling and three claws, which radially extend out, is inserted into drilling Location structure in hole wall combines, and is located in anti-collapse hole sleeve securely at the aperture of drilling.

2, the different depth that the utility model is navigated in drilling by the way that three claws are arranged, and use the high-strength steel wire that allows Rope tensioning, it is high-strength that compressed steel cord is allowed to stretch the elastic force that baffle overcomes spring when absciss layer occurring inside reinforcing soft broken coal rock body, and It drives scribing mobile, absciss layer amount can be not only determined according to the mobile distance of scribing, but also when absciss layer reaches a certain level It is capable of automatic alarm to after critical value, to improve the safety of production operation.

It is with strong points in conclusion the utility model is designed reasonably, is easily installed, effectively solve in fractured coal and rock from The installation and fixation problem of layer instrument, and energy automatic alarming, improve the applicability of the utility model.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is to start to carry out schematic perspective view when fixed anti-collapse hole sleeve is installed in drilling using six rib drilling rods；

Fig. 3 is the structural schematic diagram of radial expansion locating piece in Fig. 1；

Fig. 4 is the enlarged drawing of T-type test alarm sheath assembly in figure；

Fig. 5 is the schematic perspective view of six rib driving members of the China and foreign countries Fig. 1；

Fig. 6 is the schematic perspective view of Fig. 1 cover plate.

Specific embodiment

As shown in figs 1 to 6, the utility model be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, including Anti- collapse hole sleeve 1 in vertical drilling is set, and anti-1 lower end of collapse hole sleeve is provided with the radial expansion at drilling orifice Locating piece 2,2 lower end of radial expansion locating piece are removably connected with T-type test alarm sheath assembly 3, wear in anti-collapse hole sleeve 1 There is not equal high-strength of three root long degree to allow compressed steel cord 4, three high-strength to allow the upper end of compressed steel cord 4 to be connected separately with to be located in drilling Internal anchor fluke 5, three high-strength allow the lower end of compressed steel cord 4 to pass through radial expansion locating piece 2 after be connected to T-type test report Left side, right side and the lower part of alert sheath assembly 3.

Radial expansion locating piece 2 includes cover board 6, bevel gear 7, toothed disc 8 and three claws 9, and cover board 6 is coaxial by bolt Line is mounted on anti-1 lower end surface of collapse hole sleeve, and lower part is opened up there are three guide rail hole in anti-collapse hole sleeve 1, and three guide rail holes are along anti-collapse The circumferencial direction of hole sleeve 1 is evenly arranged, and 8 coaxial line of toothed disc is mounted on anti-1 inside of collapse hole sleeve and is located on the downside of guide rail hole, Three claws 9, which respectively correspond, to be slidably mounted in three guide rail holes, and the bottom of the upper side of toothed disc 8 and three claws 9 is simultaneously It is threadedly coupled, radially offers mounting hole 10 between 6 upper side of cover board and anti-1 lower end surface of collapse hole sleeve, bevel gear 7 Center line is overlapped with the center line of mounting hole 10, and bevel gear 7 is located at 8 lower section of toothed disc, and bevel gear 7 engages with toothed disc 8, bores tooth It takes turns 7 outer ends to protrude into and be rotatably connected in mounting hole 10, the outer end face center of bevel gear 7 offers interior six side's card slots 11；Cover board 6 Downside coaxial line is fixedly connected with outer six rib driving members 12, and the center of outer six ribs driving member 12 offers internal thread hole 13, tooth The center of wheel disc 8 and cover board 6 offers the through-hole 14 of perforation corresponding with about 13 internal thread hole.

T-type test alarm sheath assembly 3 includes setting of casing 15, left casing 16 and right casing 17, setting of casing 15, left casing 16 Absciss layer amount scale alarm identical with a structure is provided in right casing 17, the upper end of setting of casing 15 is protruded into and screw thread It is connected in the internal thread hole 13 of outer six ribs driving member 12, left 16 right end of casing is vertically fixedly connected on 15 left side of setting of casing Portion, right 17 left end of casing are vertically fixedly connected on 15 right upper portion of setting of casing；Inside left casing 16, right casing 17 and setting of casing 15 Connection, the outer circle of left casing 16, right casing 17 and setting of casing 15 are provided with scale, three high-strength steel wires that allow in the axial direction Rope 4 first sequentially pass through respectively penetrated behind through-hole 14,15 top of setting of casing again in setting of casing 15, left casing 16 and right casing 17 and its In absciss layer amount scale alarm connection.

Absciss layer amount scale alarm in setting of casing 15 includes spring 18, baffle 19, slide plate 20 and mechanical jingle bell and fluorescence Band is warned device 21, and 15 upper inside wall of setting of casing is provided with positioning ring, and spring 18 is coaxially set in setting of casing 15, baffle 19 are arranged in setting of casing 15 lower parts, and one high-strength to allow compressed steel cord 4 to pass through spring 18 to connect with baffle 19, the high-strength steel wire that allows 4 tensioning drawing baffle 19 of rope, 19 compressed spring 18 of baffle, 18 upper end of spring and positioning ring press cooperate, mechanical jingle bell and fluorescence Band warn device 21 be mounted on 19 lower surface of baffle and be located at setting of casing 15 outside, in axial direction offered on setting of casing 15 Slide opening 22, the arc-shaped structure of slide plate 20 are slidably connected at outside setting of casing 15, and slide plate 20 is connect by slide opening 22 with slide plate 20.

5 top of anchor fluke is in up-thin-low-thick truncated cone-shaped, and 5 lower part of anchor fluke is cylindrical, and anchor fluke 5 is uniform in cylindrical outer surface It is laid with 3 hangnail steel discs 23.

Three high-strength, and to allow compressed steel cord 4 to be the diameter formed after stereotyped writing finer wire is threaded together be 1.0mm, and three high-strength to allow The length of compressed steel cord 4 is respectively 10000mm, 6000mm and 2000mm.

Anti- 1 upper end coaxial line of collapse hole sleeve is fixedly connected with up-thin-low-thick guide cylinder 24, the outer circle edge of anti-collapse hole sleeve 1 Axial direction offers helicla flute 25.

The application method suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming of the utility model, including it is following Step,

(1) six side's connectors 26 in installing outside six rib driving members 12 outside, the inside of interior six sides connector 26 are upper big Under small interior six sides stepped hole, the biggish interior hexagonal hole in interior six sides connector, 26 top and outer six ribs driving member 12 assemble, first make The lesser interior hexagonal hole in interior six sides connector, 26 lower part is passed through with six prismatic drilling rod 27 of a section and sequentially passes through toothed disc 8 and cover board Anti- 1 upper port of collapse hole sleeve is stretched out in 6 through-hole 14 and anti-collapse hole sleeve 1, six prismatic drilling rods, 27 upper end；

27 lower end of (2) six prismatic drilling rod is installed on drilling machine, starts drilling machine to reinforcing soft broken coal rock body up-hole, six ribs Shape drilling rod 27 drives anti-collapse hole sleeve 1 to rotate by interior six sides connector 26 and outer six ribs driving member 12, anti-1 upper end of collapse hole sleeve Guide cylinder 24 internal diameter be greater than the maximum tactical diameter of six prismatic drilling rod 27, since coal and rock is soft, in leading for guide cylinder 24 Downwards, anti-collapse hole sleeve 1 is easy for being rotated into drilling and supportting drilling greatly, Zhi Daojing with six prismatic drilling rods 27 It is entered in the aperture of drilling to flexible locating piece 2 and six side's card slots 11 is located at outside the aperture of drilling in 7 outer end face of bevel gear When portion, drilling machine is closed, stops drilling, extracts six prismatic drilling rods 27 out, removes interior six side's connectors 26；

(3) it being inserted into 7 outer end face of bevel gear in six side's card slots 11 using outer hexagon, driving bevel gear 7 rotates, The rotation of bevel gear 7 drives toothed disc 8 to rotate, and three claws 9 being threadedly coupled with toothed disc 8 pass through a guide rail hole radially It is displaced outwardly, claw 9 further presses borehole wall outward and snaps fit onto hole wall, thus by anti-collapse hole sleeve 1 in drilling Positioning；

(4) outer six ribs driving member 12 then is passed through using cylindrical drilling rod and anti-collapse hole sleeve 1 continues up drilling, cylinder One section of shape drilling rod connects a section, stops drilling machine after 10 meters of depths are got in drilling, extracts cylindrical drilling rod out；

(5) it is inserted into upper 5 bottom groove of anchor fluke using straight-bar, the high-strength pressure that allows of a 10000mm long is connected on anchor fluke 5 Wirerope 4, straight-bar are extend into drilling after sequentially passing through outer six rib driving members 12 and anti-collapse hole sleeve 1 upwards with anchor fluke 5, directly Straight-bar is extracted out to after by the top to 10 meters of depth of anchor fluke 5, and under the action of 5 outside hangnail steel disc 23 of anchor fluke, anchor fluke 5 is firmly fixed In drilling；

(6) high-strength two of compressed steel cord 4 successively are allowed for be connected with 6000mm and 2000mm according to the process of step (5) Anchor fluke 5 pushes into drilling and fixed；

(7) then by three it is high-strength allow compressed steel cord 4 to respectively penetrate in left casing 16, right casing 17 and setting of casing 15, The upper end of setting of casing 15 is protruded into and is threadedly coupled in the internal thread hole 13 of outer six ribs driving member 12, then by three springs 18 are respectively put into left casing 16, right casing 17 and setting of casing 15, high-strength compressed steel cord 4 are allowed to be separately connected baffle for three 19, make three firm to allow compressed steel cord to be in tensioning state and spring 18 is made to be in compressive state；

(8) by mechanical jingle bell and fluorescent bands warn device 21 be installed to left 16 left end of casing, 17 right end of right casing and 15 bottom of setting of casing is simultaneously connect with baffle 19；

(9) it is high-strength to allow compressed steel cord 4 be by tensioning, the high-strength pressure that allows when reinforcing soft broken coal rock body deep basic point absciss layer occurs The pulling baffle 19 of wirerope 4 overcomes the elastic force of spring 18, and the slide plate 20 on left casing 16 moves right along left casing 16, right casing Slide plate 20 on 17 is moved to the left along right casing 17, and the slide plate 20 on setting of casing 15 is moved up along setting of casing 15, when soft broken When broken coal rock mass deep basic point absciss layer amount reaches critical value, i.e., after slide plate 20 is moved to certain position, touch mechanical jingle bell with it is glimmering Striation band is warned device, to automatic jingle bell alarm and discharge fluorescence warning band simultaneously, can measure middle part base in drilling respectively Absciss layer amount caused by point, superficial part basic point and deep basic point.

Mechanical jingle bell and fluorescent bands in the utility model warn device 21 as existing mature technology, and specific configuration is no longer It repeats.

The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality With the protection scope of new technique scheme.

Claims (7)

1. being suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: including setting in vertical drilling Anti- collapse hole sleeve, anti-collapse hole sleeve lower end is provided with the radial expansion locating piece at drilling orifice, and radial expansion is fixed Position part lower end is removably connected with T-type test alarm sheath assembly, and not equal high-strength of three root long degree is equipped in anti-collapse hole sleeve Allow compressed steel cord, three high-strength to allow the upper end of compressed steel cord to be connected separately with the anchor fluke for being located in bore inner, and three high-strength to allow The lower end of compressed steel cord pass through be connected to after radial expansion locating piece the T-type test alarm left side of sheath assembly, right side and Lower part.

2. according to claim 1 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: diameter It include cover board, bevel gear, toothed disc and three claws to flexible locating piece, cover board is mounted on anti-collapse hole set by bolt coaxial line Cylinder lower end surface, lower part is opened up there are three guide rail hole in anti-collapse hole sleeve, and three guide rail holes are equal along the circumferencial direction of anti-collapse hole sleeve Even arrangement, toothed disc coaxial line are mounted on anti-collapse hole sleeve inner and are located on the downside of guide rail hole, and three claws respectively correspond sliding It is mounted in three guide rail holes, the bottom of the upper side of toothed disc and three claws is threadedly coupled simultaneously, cover board upper side and anti- Mounting hole is radially offered between collapse hole sleeve lower end surface, the center line of bevel gear is overlapped with the center line of mounting hole, Bevel gear is located at below toothed disc, and bevel gear engages with toothed disc, and bevel gear outer end is protruded into and is rotatably connected in mounting hole, cone The outer end face center of gear offers interior six side's card slots；Cover board downside coaxial line is fixedly connected with outer six rib driving members, and outer six The center of rib driving member offers internal thread hole, and the center of toothed disc and cover board, which offers, and internal thread hole is corresponding up and down penetrates through Through-hole.

3. according to claim 2 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: T Type test alarm sheath assembly includes setting of casing, left casing and right casing, is provided with one in setting of casing, left casing and right casing The identical absciss layer amount scale alarm of a structure, cased upper end is protruded into and is threadedly coupled to the interior spiral shell of outer six ribs driving member In pit, left casing right end is vertically fixedly connected on setting of casing left upper portion, and right casing left end is vertically fixedly connected on setting of casing Right upper portion；It is connected to inside left casing, right casing and setting of casing, left casing, right casing and cased outer circle are in the axial direction Be provided with scale, three high-strength allow compressed steel cord first to sequentially pass through through-hole, setting of casing top after respectively penetrate setting of casing, a left side again It is connect in casing and right casing with absciss layer amount scale alarm therein.

4. according to claim 3 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: under Absciss layer amount scale alarm in casing includes spring, baffle, slide plate and mechanical jingle bell and fluorescent bands are warned device, setting of casing Upper inside wall is provided with positioning ring, and spring is coaxially set in setting of casing, and lower part is arranged in setting of casing in baffle, and one high-strength It allows compressed steel cord to pass through spring to connect with baffle, it is high-strength that the tensioning of compressed steel cord is allowed to pull baffle, baffle compressed spring, spring upper end It pressing and cooperates with positioning ring, mechanical jingle bell and fluorescent bands device of warning are mounted on baffle lower surface and are located at outside setting of casing, Slide opening is in axial direction offered on setting of casing, the arc-shaped structure of slide plate is slidably connected at outside setting of casing, and slide plate passes through slide opening It is connect with slide plate.

5. according to claim 1 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: anchor Pawl top is in up-thin-low-thick truncated cone-shaped, and anchor fluke lower part is cylindrical, and anchor fluke has 3 hangnails cylindrical outer surface is uniformly distributed Steel disc.

6. according to claim 1 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: three Root is high-strength, and to allow compressed steel cord to be the diameter formed after stereotyped writing finer wire is threaded together be 1.0mm, and three high-strength to allow compressed steel cord Length is respectively 10000mm, 6000mm and 2000mm.

7. according to claim 1 be suitable for the more basic point separation indicators of reinforcing soft broken coal rock body automatic alarming, it is characterised in that: anti- Collapse hole sleeve upper end coaxial line is fixedly connected with up-thin-low-thick guide cylinder, and the outer circle of anti-collapse hole sleeve in axial direction offers Helicla flute.