CN207892544U - The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core - Google Patents
The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core Download PDFInfo
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- CN207892544U CN207892544U CN201820157371.4U CN201820157371U CN207892544U CN 207892544 U CN207892544 U CN 207892544U CN 201820157371 U CN201820157371 U CN 201820157371U CN 207892544 U CN207892544 U CN 207892544U
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Abstract
The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core, including pedestal, base upper surface is equipped with core clamping device and glide base, glide base is located at the left side of core clamping device, the processing coring mechanism being equipped on glide base above core clamping device, the utility model has reasonable design, work efficiency is high, it is easy to operate, processing sample rate is high, without dust pollution, drilling pipe service life is long, can all around move the advantages that being processed to core, the fixation and processing of 60 140mm different-diameter cores may be implemented.
Description
Technical field
The utility model belongs to core standard sample processing technique field, and in particular to a kind of coal mine Roof And Floor Stability is commented
Valence drills through device with different-diameter core.
Background technology
The estimation of stability etc. of coal mine roof and floor needs to acquire core, is processed to core, then carries out mechanics to it
Experiment, but since the cylindrical core diameter of collection in worksite is generally between 60-140mm, and the fracture port of core is not
It is smooth, it is difficult that it is fixed when laboratory processes, success rate when processing is very low, core can not be processed into a diameter of
50mm highly carries out uniaxial compression test and triaxial compression test for the standard sample of 100mm, and the single shaft for obtaining each rock stratum is anti-
The parameters such as Compressive Strength, triaxial shear strength, internal friction angle and cohesive strength provide reliably for the estimation of stability of coal mine roof and floor
Basic data.
Therefore the core diameter of collection in worksite ranging from 60-140mm at present is badly in need of a kind of device of design to solve core
The processing problems of a diameter of 60-140mm improve the processing efficiency and success rate of its sample.In addition, existing coring device is being tested
There are larger dust pollutions in room, and the drilling pipe of core-drilling is not due to having lubrication, cooling etc. to lead to drilling pipe service life
It is shorter.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide it is a kind of work efficiency is high, it is easy to operate plus
Work sample rate height, without dust pollution, drilling pipe service life is long, can all around move the coal mine top bottom being processed to core
Plate estimation of stability drills through device with different-diameter core.
In order to solve the above technical problems, the utility model adopts the following technical solution：
The evaluation of coal mine Roof And Floor Stability drills through device, including pedestal with different-diameter core, and base upper surface is equipped with rock
Core clamping device and glide base, glide base are located at the left side of core clamping device, are equipped with positioned at core on glide base
Processing coring mechanism above clamping device；
The core clamping device includes screw rod, nut and clamp assemblies, and the screw rod and nut have six sets, wherein four sets
A diameter of 12mm of screw rod and nut, in addition a diameter of 16mm of two sets of screw rods and nut, clamp assemblies are by one piece of cylindrical Buddhist nun
Imperial stick is process and its shape is cuboid, and by lathe process, there are one a diameter of 140mm in the centre position of clamp assemblies
For clamping the cylindrical hole of cylindrical sample for needing to process, set on clamp assemblies and be used for pair there are four a diameter of 12mm
Clamp assemblies play the roundlet cylindrical hole of fixed function, the screw rod and nut of four sets of a diameter of 12mm respectively with four a diameter of 12mm
Roundlet cylindrical hole be connected, two for core clamping device and pedestal to be fixed together are additionally provided on clamp assemblies
The large cylindrical hole of a diameter of 16mm, the screw rod and nut of two sets of a diameter of 16mm connect with two large cylindrical holes cooperations respectively
It connects, the center line of roundlet cylindrical hole is arranged along left and right horizontal direction, and the center line in cylindrical hole and large cylindrical hole is along Vertical Square
To setting；
The core clamping device further includes the rectangular rubber cushion for having four sets of thickness different and seven sets of lateral cross sections are circle
The nylon bush of annular, the thickness of the rubber cushion of four sets of different-thickness respectively are：1mm, 2mm, 3mm and 4mm, nylon bush by
Centrosymmetric two halves are composed, and the wall thickness of seven sets of nylon bush is 10mm, and the outer diameter of seven sets of nylon bush is distinguished successively
For：140mm, 130mm, 120mm, 110mm, 100mm, 90mm and 80mm；
Clamp assemblies are process by nylon rod and the length and width of clamp assemblies and height respectively are：300mm, 300mm and
The endpoint of 150mm, the upper top surface of clamp assemblies are respectively A, B, C, D, and bottom surface corresponding with above and below terminal A endpoint is F, with endpoint
The corresponding bottom surface endpoints of B or more are G, and bottom surface corresponding with endpoint D or more endpoint is E, the roundlet cylindricality of four a diameter of 12mm
Hole is respectively the first roundlet cylindrical hole, the second roundlet cylindrical hole, third roundlet cylindrical hole and the 4th roundlet cylindrical hole, wherein first
Roundlet cylindricality pitch-row AD side 40mm, distance DE side 40mm, the second roundlet cylindricality pitch-row AD side 40mm, distance AF side 40mm, third
Roundlet cylindricality pitch-row is from the sides DE 40mm, distance EF side 40mm, the 4th roundlet cylindricality pitch-row from the sides EF 40mm, distance AF side 40mm,
The large cylindrical hole of two a diameter of 16mm is respectively the first large cylindrical hole and the second largest cylindrical hole, wherein the first big cylinder
Shape pitch-row CD side 54mm, away from the sides BC 40mm, the second largest cylindrical hole is away from the sides AB 54mm, away from the sides BC 40mm；
The distance of cylindrical center's distance AB, BC, CD, AD four edges of the cylindrical hole of a diameter of 140mm is
150mm, clamp assemblies are made of symmetrical left grip block and right grip block, the first large cylindrical hole and second large cylindrical
Hole is opened in right grip block, and left grip block and right grip block are connected as one by the four sets of screw rods and nut of a diameter of 12mm,
Right grip block is fixed on the base by the two sets of screw rods and nut of a diameter of 16mm, and the section of the symmetrical centre of clamp assemblies is hung down
Directly in side AB and CD, and by the midpoint of side AB and CD；
The glide base includes sliding rail, first slide and second slide, and sliding rail is fixedly connected on along anterior-posterior horizontal direction
On pedestal, the section of the upper lateral part of sliding rail is T shapes, and first slide bottom offers T-slot, first slide along anterior-posterior horizontal direction
It is slidably connected at the upper lateral part of sliding rail by T-slot, the first trip bolt, first slide are inserted between first slide and sliding rail
Top offers inverted T-slot along left and right horizontal direction, and the bottom section of second slide is inverted T-shaped, the basal sliding of second slide
It is connected in the inverted T-slot at the top of first slide, the second trip bolt is inserted between second slide and first slide, processing takes
Core mechanism is mounted on the right side of second slide；
The processing coring mechanism includes mounting bracket, is fixedly connected on the left of mounting bracket on the right side of second slide, mounting bracket
On be fixed with riser, riser is equipped with hydraulic cylinder, motor and two guide rails, hydraulic cylinder, electric machine main shaft and two guide rails
It is arranged in vertical, two guide rails or so are arranged side by side, and hydraulic cylinder is located between two guide rails, and motor passes through motor cabinet
It is slidably connected on two guide rails, the lower end of the piston rod of hydraulic cylinder is connect with motor cabinet；The main shaft of motor passes through shaft coupling
It is connected with the connecting rod being arranged vertically downward, the lower end of connecting rod is connected with drill core component, and drill core component includes drilling pipe, connecting rod lower end
Portion extend into the upper end of drilling pipe and is connect by spline with drilling pipe upper end, along diameter between connecting rod lower end and drilling pipe upper end
It is inserted with fastening screw to direction, drilling pipe lower end periphery is rotatably connected to the watering cover of bottom opening by sealing bearing, spills
Water cover is less than drilling pipe lower end in the lower end edge of bowl structure and watering cover, and watering, which is covered, is fixedly connected with guide rod, is oriented to
Bar is arranged vertically upward, and guide pipe is fixed on mounting bracket, and guide rod upper end is plugged in guide pipe vertically upward, watering cover
Lower end is equipped with limit switch, and multiple water sprayering holes, the radial direction of the sprinkling direction edge watering cover of water sprayering hole are evenly equipped on watering cover
Setting, water sprayering hole are connected with water pump by water pipe, and the regulating valve for adjusting watering amount is equipped on water pipe；
The side of the pedestal is equipped with effluent settling chamber, and pedestal is equipped with the waste water partition board of annular, waste water partition board and pedestal
Upper surface surrounds a cavity, and the vertical centerline of cavity and the vertical centerline of clamp assemblies coincide, and clamp assemblies are located at
In cavity, it is outer with the direction far from cavity to be interior close to the direction of cavity, the useless of annular is offered on the pedestal in cavity
The bottom of water accumulator tank, Sewage treatment slot is connected with water pipe, and one end of water pipe is pierced by downwards pedestal and is connected with effluent settling chamber.
Using above-mentioned technical proposal, the utility model has the advantages that：
（1）The glide base of the utility model not only may be implemented front-rear direction and adjust direction, can also realize right and left
To direction is adjusted, after core clamping device is fixed with pedestal, the position of glide base can be directly adjusted to drive processing
Coring mechanism moves, and drilling pipe is directed at core, and it is convenient to adjust direction, when fixed core diameter is more than 100mm, needs to same
When a core carries out coring making standard sample twice, glide base can be adjusted again, facilitates secondary coring, working efficiency
It is high；
（2）The utility model uses water cooling mode, not only can carry out spray cooling to drilling pipe, but also can be by dust
It precipitates, without dust pollution increases the service life of drilling pipe；
（3）The clamp assemblies that the utility model uses are made of nylon material, and light weight, tear resistance are strong, oil resistant, are resisted
Shake stretches, and bending strength is good, and with water imbibition is small, it is small to be lost in good stability of the dimension, process；
（4）The core clamping device that the utility model uses holds core tightly, improves the working modulus of standard sample；
（5）The core clamping device of the utility model further includes the rubber cushion for having four sets of thickness different and seven sets of lateral cross sections are
The nylon bush of circular ring shape, when processing diameter is less than the core of 140mm, without taking the screw rod on core clamping device with nut
Fall, directly in core outer wrapping rubber cushion or in cylindrical hole, addition nylon bush can will need the core that process to hold tightly admittedly
It is fixed, it is easy to use, the fixation of 60-140mm different-diameter cores is realized, is then processed as standard sample；
（6）The pedestal of the utility model is equipped with waste water partition board and Sewage treatment slot, is convenient to clean landwaste, also allows for give up
Water flows into sedimentation basin by water pipe and is precipitated, and will be reused after water sedimentation.
In conclusion the utility model has reasonable design, work efficiency is high, easy to operate, and processing sample rate is high, no powder
Dustiness contaminates, and drilling pipe service life is long, can all around move and is processed to core, 60-140mm different-diameters may be implemented
The advantages that fixation and processing of core.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model clamp assemblies；
Fig. 3 is the axial sectional view between the utility model connecting rod and drilling pipe；
Fig. 4 is the left view of the utility model glide base；
Fig. 5 is the structural schematic diagram of the utility model rubber cushion；
Fig. 6 is the structural schematic diagram of the nylon bush of the utility model.
Specific implementation mode
Direction in Fig. 1 to the left is left-hand, and Fig. 1 is towards the direction of observer to be preceding to upwardly direction is upper in Fig. 1
To.
As shown in figs 1 to 6, the coal mine Roof And Floor Stability evaluation of the utility model drills through device with different-diameter core,
Including pedestal 1,1 upper surface of pedestal is equipped with core clamping device and glide base, and glide base is located at a left side for core clamping device
Side, the processing coring mechanism being equipped on glide base above core clamping device；
The core clamping device includes screw rod, nut and clamp assemblies, and the screw rod and nut have six sets, wherein four sets
A diameter of 12mm of screw rod and nut, in addition a diameter of 16mm of two sets of screw rods and nut, clamp assemblies are by one piece of cylindrical Buddhist nun
Imperial stick is process and its shape is cuboid, and by lathe process, there are one a diameter of 140mm in the centre position of clamp assemblies
For clamping the cylindrical hole 24 of cylindrical sample for needing to process, set on clamp assemblies there are four a diameter of 12mm be used for
Clamp assemblies are played with the roundlet cylindrical hole of fixed function, the screw rod and nut of four sets of a diameter of 12mm is a diameter of with four respectively
The roundlet cylindrical hole of 12mm is connected, and is additionally provided on clamp assemblies for core clamping device and pedestal 1 to be fixed together
Two a diameter of 16mm large cylindrical hole, the screw rod and nut of two sets of a diameter of 16mm are matched with two large cylindrical holes respectively
Connection is closed, the center line of roundlet cylindrical hole is arranged along left and right horizontal direction, the center line edge of cylindrical hole 24 and large cylindrical hole
Vertical direction is arranged；
The clamp assemblies further include the rectangular rubber cushion 24 for having four sets of thickness different and seven sets of lateral cross sections are annulus
The thickness of the nylon bush 35 of shape, the rubber cushion 24 of four sets of different-thickness respectively is：1mm, 2mm, 3mm and 4mm, nylon bush
35 are composed of centrosymmetric two halves, and the wall thickness of seven sets of nylon bush 35 is 10mm, the outer diameter of seven sets of nylon bush 35
It respectively is：140mm, 130mm, 120mm, 110mm, 100mm, 90mm and 80mm；
Clamp assemblies are process by nylon rod and the length and width of clamp assemblies and height respectively are：300mm, 300mm and
The endpoint of 150mm, the upper top surface of clamp assemblies are respectively A, B, C, D, and bottom surface corresponding with above and below terminal A endpoint is F, with endpoint
The corresponding bottom surface endpoints of B or more are G, and bottom surface corresponding with endpoint D or more endpoint is E, the roundlet cylindricality of four a diameter of 12mm
Hole is respectively the first roundlet cylindrical hole 28, the second roundlet cylindrical hole 29, third roundlet cylindrical hole 30 and the 4th roundlet cylindrical hole 31,
Wherein the first roundlet cylindrical hole 28 is away from the sides AD 40mm, and distance DE side 40mm, the second roundlet cylindrical hole 29 is away from the sides AD 40mm, distance AF
Side 40mm, 30 distance DE side 40mm, distance EF side 40mm of third roundlet cylindrical hole, 31 sides distance EF of the 4th roundlet cylindrical hole
The large cylindrical hole of 40mm, distance AF side 40mm, two a diameter of 16mm are respectively the first large cylindrical hole 32 and the second great circle
Cylindrical hole 33, wherein the first large cylindrical hole 32 is away from the sides CD 54mm, away from the sides BC 40mm, the second large cylindrical sides 33 pitch-row AB
54mm, away from the sides BC 40mm；
The distance of cylindrical center's distance AB, BC, CD, AD four edges of the cylindrical hole 24 of a diameter of 140mm is
150mm, clamp assemblies are made of symmetrical left grip block 25 and right grip block 24, the first large cylindrical hole 32 and second largest
Cylindrical hole 33 is opened in right grip block 24, and the four sets of screw rods and nut of a diameter of 12mm are by left grip block 25 and right grip block
24 are connected as one, and right grip block 24 is fixed on the base by the two sets of screw rods and nut of a diameter of 16mm, and clamp assemblies
The section of symmetrical centre is perpendicular to side AB and CD, and by the midpoint of side AB and CD；
The glide base includes sliding rail 2, first slide 3 and second slide 4, and sliding rail 2 is fixed along anterior-posterior horizontal direction to be connected
It being connected on pedestal 1, the section of the upper lateral part of sliding rail 2 is T shapes, and 3 bottom of first slide offers T-slot along anterior-posterior horizontal direction,
First slide 3 is slidably connected at the upper lateral part of sliding rail 2 by T-slot, and the first fastening is inserted between first slide 3 and sliding rail 2
Screw 26,3 top of first slide offer inverted T-slot along left and right horizontal direction, and the bottom section of second slide 4 is inverted T-shaped, the
The basal sliding of two slides 4 is connected in the inverted T-slot at 3 top of first slide, is plugged between second slide 4 and first slide 3
There are the second trip bolt 27, processing coring mechanism to be mounted on 4 right side of second slide；
The processing coring mechanism includes mounting bracket 5, and the left side of mounting bracket 5 is fixedly connected on 4 right side of second slide, installation
Be fixed with riser 6 on frame 5, riser 6 is equipped with hydraulic cylinder 9, motor 10 and two guide rails 7, hydraulic cylinder 9, motor 10 master
Axis and two guide rails 7 are arranged in vertical, and two guide rails 7 or so are arranged side by side, and hydraulic cylinder 9 is located at two guide rails 7
Between, motor 10 is slidably connected at by motor cabinet 11 on two guide rails 7, the lower end of the piston rod of hydraulic cylinder 9 and motor cabinet
11 connections；The main shaft of motor 10 is connected with the connecting rod 14 being arranged vertically downward by shaft coupling, and the lower end of connecting rod 14 is connected with
Drill core component, drill core component include drilling pipe 16,14 lower end of connecting rod extend into the upper end of drilling pipe 16 and with 16 upper end of drilling pipe
It is connected by spline, 14 lower end of connecting rod and drilling pipe are radially inserted with fastening screw 15, drilling pipe 16 between 16 upper end
Lower end periphery is rotatably connected to the watering cover 19 of bottom opening by sealing bearing 17, and watering cover 19 is in bowl structure and spills
The lower end edge of water cover 19 is less than 16 lower end of drilling pipe, is fixedly connected with guide rod 12 on watering cover 19, guide rod 12 is vertically upward
It is arranged, guide pipe 13 is fixed on mounting bracket 5,12 upper end of guide rod is plugged in vertically upward in guide pipe 13, watering cover 19
Lower end is equipped with limit switch 36, multiple water sprayering holes 18 is evenly equipped on watering cover 19, the sprinkling direction of water sprayering hole 18 is along watering cover 19
Radial direction setting, water sprayering hole 18 is connected with water pump by water pipe, and the regulating valve for adjusting watering amount is equipped on water pipe；
The side of the pedestal 1 is equipped with effluent settling chamber 23, and pedestal 1 is equipped with the waste water partition board 8 of annular, waste water partition board 8
A cavity is surrounded with 1 upper surface of pedestal, the vertical centerline of cavity and the vertical centerline of clamp assemblies coincide, clamping group
Part is located in cavity, be close to the direction of cavity it is interior, the direction with separate cavity be it is outer, on the pedestal 1 in cavity circumferentially
The Sewage treatment slot 21 of annular is offered, the bottom of Sewage treatment slot 21 is connected with water pipe 22, and one end of water pipe 22 is pierced by downwards
Pedestal 1 is connected with effluent settling chamber 23.
The specifically used method of the utility model is as follows：
It first passes through the first large cylindrical hole 32 and the second largest cylindrical hole is consolidated clamp assemblies with the screw rod of a diameter of 16mm
It is scheduled on pedestal 1, core is placed in clamp assemblies, suitable nylon bush 35 and rubber cushion are selected by the diameter of core
24, when such as needing to process the core of 96mm, outer diameter 140mm, outer diameter are sequentially placed into the cylindrical hole 24 of clamp assemblies 140mm
The nylon bush 35 of 130mm, outer diameter 120mm and outer diameter 110mm, then the rubber cushion 24 of package 4mm thickness is on the core of 96mm
Clamp assemblies can be allowed to clamp the core of 96mm, when core diameter is 140mm, rubber cushion 24 and nylon bush 35 is not needed and directly will
Core is placed in the cylindrical hole 24 of core clamping device, then the nut on four sets of screw rods by tightening a diameter of 12mm makes
Core is in close contact with clamp assemblies；Glide base is adjusted, first slide 3 is pushed to drive processing coring institutional adjustment front and back position
The position of upper drilling pipe 16, then the position of drilling pipe 16 on the dynamic processing coring institutional adjustment left and right position of 4 strip of second slide is pushed, make
Drilling pipe 16 is directed at core；Motor 10 is started to work, and the output shaft rotation of motor 10 simultaneously drives connecting rod 14 to rotate by shaft coupling, even
Bar 14 drives drilling pipe 16 to rotate, and at the same time, starts hydraulic cylinder 9, the piston rod of hydraulic cylinder 9 extends downwards, hydraulic cylinder 9
Piston rod pushing motor 10 moved downward along guide rail 7, drilling pipe 16 moves downward and high speed rotation, starts to add core
The sealing bearing 17 of work, 16 outer rim of drilling pipe drives watering cover 19 to be moved downward along guide rod 12, and starting mode of pump, water pump passes through water pipe
Flow is delivered to water sprayering hole 18 by 22, and it is that drilling pipe 16 cools down, while the flow of ejection is to boring that flow is sprayed by water sprayering hole 18
The dust that cylinder 16 generates when working is dusted, and sprinkling precipitation of the dust through water enters cavity；When the limit of 19 lower ends of watering cover
When switch 36 touches clamp assemblies upper surface, 10 power supply of motor is closed, and motor 10 is stopped, and 9 piston rod of hydraulic cylinder is received
Contracting, drilling pipe 16 exit from core, unscrew 12mm nuts, unclamp left grip block 25, the core after drilling through are taken out, after drilling through
Core is cut, and the core after drilling through is processed into standard sample；After core taking-up, the core clast in cavity is cleared up,
And the waste water in waste water accommodating groove is discharged into sedimentation basin by aqueduct 22, waste water staticly settles in sedimentation basin, precipitation
Clear water afterwards is conveyed by water pump to recycle.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., every foundation
The technical essence of the utility model belongs to this reality to any simple modification, equivalent change and modification made by above example
With the protection domain of new technique scheme.
Claims (7)
1. the evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core, it is characterised in that：Including pedestal, pedestal upper table
Face is equipped with core clamping device and glide base, and glide base is located at the left side of core clamping device, is equipped on glide base
Processing coring mechanism above core clamping device.
2. coal mine Roof And Floor Stability evaluation according to claim 1 drills through device with different-diameter core, feature exists
In：The core clamping device includes screw rod, nut and clamp assemblies, and the screw rod and nut have six sets, wherein four sets of screw rods
With a diameter of 12mm of nut, in addition a diameter of 16mm of two sets of screw rods and nut, clamp assemblies are by one piece of cylindrical nylon stick
It is process and its shape is cuboid, there are one the use of a diameter of 140mm by lathe process in the centre position of clamp assemblies
In being set on the cylindrical hole for clamping the cylindrical sample for needing to process, clamp assemblies, there are four a diameter of 12mm for clamping
Component plays the roundlet cylindrical hole of fixed function, and the screw rod and nut of four sets of a diameter of 12mm are small with four a diameter of 12mm respectively
Cylindrical hole is connected, and two diameters for core clamping device and pedestal to be fixed together are additionally provided on clamp assemblies
For the large cylindrical hole of 16mm, the screw rod and nut of two sets of a diameter of 16mm are connected with two large cylindrical holes respectively, small
The center line of cylindrical hole is arranged along left and right horizontal direction, and the center line in cylindrical hole and large cylindrical hole is vertically set
It sets.
3. coal mine Roof And Floor Stability evaluation according to claim 2 drills through device with different-diameter core, feature exists
In：The core clamping device further includes the rectangular rubber cushion for having four sets of thickness different and seven sets of lateral cross sections are circular ring shape
The thickness of nylon bush, the rubber cushion of four sets of different-thickness respectively is：1mm, 2mm, 3mm and 4mm, nylon bush is by center pair
The two halves of title are composed, and the wall thickness of seven sets of nylon bush is 10mm, and the outer diameter of seven sets of nylon bush respectively is：
140mm, 130mm, 120mm, 110mm, 100mm, 90mm and 80mm.
4. coal mine Roof And Floor Stability evaluation according to claim 2 drills through device with different-diameter core, feature exists
In：Clamp assemblies are process by nylon rod and the length and width of clamp assemblies and height respectively are：300mm, 300mm and
The endpoint of 150mm, the upper top surface of clamp assemblies are respectively A, B, C, D, and bottom surface corresponding with above and below terminal A endpoint is F, with endpoint
The corresponding bottom surface endpoints of B or more are G, and bottom surface corresponding with endpoint D or more endpoint is E, the roundlet cylindricality of four a diameter of 12mm
Hole is respectively the first roundlet cylindrical hole, the second roundlet cylindrical hole, third roundlet cylindrical hole and the 4th roundlet cylindrical hole, wherein first
Roundlet cylindricality pitch-row AD side 40mm, distance DE side 40mm, the second roundlet cylindricality pitch-row AD side 40mm, distance AF side 40mm, third
Roundlet cylindricality pitch-row is from the sides DE 40mm, distance EF side 40mm, the 4th roundlet cylindricality pitch-row from the sides EF 40mm, distance AF side 40mm,
The large cylindrical hole of two a diameter of 16mm is respectively the first large cylindrical hole and the second largest cylindrical hole, wherein the first big cylinder
Shape pitch-row CD side 54mm, away from the sides BC 40mm, the second largest cylindrical hole is away from the sides AB 54mm, away from the sides BC 40mm；
The distance of cylindrical center's distance AB, BC, CD, AD four edges of the cylindrical hole of a diameter of 140mm is 150mm, folder
It holds component to be made of symmetrical left grip block and right grip block, the first large cylindrical hole and the second largest cylindrical hole are opened in
In right grip block, left grip block and right grip block are connected as one by the four sets of screw rods and nut of a diameter of 12mm, a diameter of
Right grip block is fixed on the base by the two sets of screw rods and nut of 16mm, and the section of the symmetrical centre of clamp assemblies is perpendicular to side
AB and CD, and by the midpoint of side AB and CD.
5. coal mine Roof And Floor Stability evaluation according to claim 1 drills through device with different-diameter core, feature exists
In：The glide base includes sliding rail, first slide and second slide, and sliding rail is fixedly connected on pedestal along anterior-posterior horizontal direction
On, the section of the upper lateral part of sliding rail is T shapes, and first slide bottom offers T-slot along anterior-posterior horizontal direction, and first slide passes through
T-slot is slidably connected at the upper lateral part of sliding rail, and the first trip bolt, first slide top are inserted between first slide and sliding rail
Inverted T-slot is offered along left and right horizontal direction, the bottom section of second slide is inverted T-shaped, and the basal sliding of second slide connects
It is inserted with the second trip bolt in the inverted T-slot at the top of first slide, between second slide and first slide, processes corning machine
Structure is mounted on the right side of second slide.
6. coal mine Roof And Floor Stability evaluation according to claim 5 drills through device with different-diameter core, feature exists
In：The processing coring mechanism includes mounting bracket, is fixedly connected on the left of mounting bracket on the right side of second slide, fixed on mounting bracket
There are riser, riser to be equipped with hydraulic cylinder, motor and two guide rails, hydraulic cylinder, electric machine main shaft and two guide rails are along vertical
Histogram is arranged side by side to setting, two guide rails or so, and hydraulic cylinder is located between two guide rails, and motor is slided by motor cabinet to be connected
It is connected on two guide rails, the lower end of the piston rod of hydraulic cylinder is connect with motor cabinet；The main shaft of motor is connected with by shaft coupling
The lower end of the connecting rod being arranged vertically downward, connecting rod is connected with drill core component, and drill core component includes drilling pipe, and connecting rod lower end is stretched into
It is connect to the upper end of drilling pipe and with drilling pipe upper end by spline, between connecting rod lower end and drilling pipe upper end radially
It is inserted with fastening screw, drilling pipe lower end periphery is rotatably connected to the watering cover of bottom opening by sealing bearing, and watering cover is in
The lower end edge of bowl structure and watering cover is less than drilling pipe lower end, is fixedly connected with guide rod on watering cover, guide rod is vertical
It sets up, guide pipe is fixed on mounting bracket, guide rod upper end is plugged in guide pipe vertically upward, and watering cover lower end is set
Limit switches, watering, which is covered, is evenly equipped with multiple water sprayering holes, and the sprinkling direction of water sprayering hole is arranged along the radial direction of watering cover, spills
Water hole is connected with water pump by water pipe, and the regulating valve for adjusting watering amount is equipped on water pipe.
7. coal mine Roof And Floor Stability evaluation according to claim 1 drills through device with different-diameter core, feature exists
In：The side of the pedestal is equipped with effluent settling chamber, and pedestal is equipped with the waste water partition board of annular, waste water partition board and base upper surface
A cavity is surrounded, the vertical centerline of cavity and the vertical centerline of clamp assemblies coincide, and clamp assemblies are located in cavity,
To be interior close to the direction of cavity, it is outer with the direction far from cavity, the Sewage treatment of annular is offered on the pedestal in cavity
The bottom of slot, Sewage treatment slot is connected with water pipe, and one end of water pipe is pierced by downwards pedestal and is connected with effluent settling chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820157371.4U CN207892544U (en) | 2018-01-30 | 2018-01-30 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820157371.4U CN207892544U (en) | 2018-01-30 | 2018-01-30 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194043A (en) * | 2018-01-30 | 2018-06-22 | 贵州理工学院 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
| CN115184234A (en) * | 2022-07-01 | 2022-10-14 | 西南石油大学 | Ultrahigh pressure gas reservoir drilling fluid pollution evaluation experiment system and method |
-
2018
- 2018-01-30 CN CN201820157371.4U patent/CN207892544U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194043A (en) * | 2018-01-30 | 2018-06-22 | 贵州理工学院 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
| CN108194043B (en) * | 2018-01-30 | 2023-11-03 | 贵州理工学院 | Device is got with different diameter core drills to colliery top bottom plate stability evaluation |
| CN115184234A (en) * | 2022-07-01 | 2022-10-14 | 西南石油大学 | Ultrahigh pressure gas reservoir drilling fluid pollution evaluation experiment system and method |
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