CN207229125U - A kind of thrust device for being exclusively used in concrete filled steel tube pier stud - Google Patents
A kind of thrust device for being exclusively used in concrete filled steel tube pier stud Download PDFInfo
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- CN207229125U CN207229125U CN201721165194.6U CN201721165194U CN207229125U CN 207229125 U CN207229125 U CN 207229125U CN 201721165194 U CN201721165194 U CN 201721165194U CN 207229125 U CN207229125 U CN 207229125U
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Abstract
It the utility model is related to a kind of thrust device for being exclusively used in concrete filled steel tube pier stud, including concrete filled steel tube pier stud fixing device and thrust machine device；Concrete filled steel tube pier stud fixing device includes steel pipe pier stud fixed frame and round clasp；Thrust machine device includes thrust machine, mobile platform, mobile platform fixed frame, impactor, impactor fixed frame, pivot pin, pin groove and thrust machine device fixed frame；Connected between concrete filled steel tube pier stud fixing device and thrust the machine device using high-strength bolt by the High-strength bolt hole on the steel I-beam.The utility model is the thrust device for being exclusively used in concrete filled steel tube pier stud, basic to can be achieved all to remove core concrete within 15 minutes, substantially increases the removal of steel pipe pier stud core concrete, realizes the recycling of empty steel pipe pier stud.
Description
Technical field
The present invention relates to a kind of thrust device for being exclusively used in concrete filled steel tube pier stud, belong to being stayed along sky for deep-well medium-thickness seam
Lane field.
Background technology
Gob side entry retaining is to safeguard used stope drift active workings along gob edge at working face rear, and is next
Section seam mining service, the technology can realize Y types draft type, improve coal resources recovery ratios, reduce tunnelling amount,
Alleviate excavation replacement contradiction, prevent island working face from producing, shorten moving time, to improving mine economic benefit and mine safety
Produce extremely advantageous.
Currently used edge air gallery technology includes masonry shield lane (pack wall and concrete block wall etc.), obturation shield
Lane (high percentage of water rapid solidifying material, ointment material, fast hardening concrete and soft mould pumping filling), concrete filled steel tube pier stud add pack wall to protect lane
With the technology such as Qie Dingcheng lanes.Masonry shield lane technical costs is low, but Lack of support, labor intensity are big or sealing effect is poor；Fill
Tian Tihu lanes have setting rate is fast, early strength is good, closed goaf effect is good, mechanization degree is high, labor intensity is low etc.
Feature, but there are the problems such as support force is insufficient, filling cost is high；Concrete filled steel tube pier stud+pack wall shield lane technical support power height,
Stay lane effect good, but there are pier stud bending resistance effect it is poor, build that pack wall labor intensity is high by laying bricks or stones or steel pipe it is not recyclable caused by cost
The problems such as high；Qie Dingcheng lanes technical costs is low, supporting effect is good, but requires height to top plate geological conditions, otherwise overall to cut top effect
Fruit or to be caving into lane effect poor.
The content of the invention
In view of the above problems, the present invention proposes a kind of gob side entry retaining roadside support system, and in particular to one kind is based on close
The gob-side entry retaining support system in bending-resistant type concrete filled steel tube pier stud shield lane is arranged, the present invention uses concrete filled steel tube pier stud and light-weight aggregate
Flexible concrete spray coating constructs roadside support body, and roadside support body can quickly cut top and ensure its stability, strong with supporting
The characteristics of degree is high, anti-bending strength is good, the recyclable recycling of pier stud steel pipe.The present invention is suitable for deep-well medium-thickness seam, effectively solution
Determine deep-well medium-thickness seam edge air gallery technology problem, i.e., roadside support body is vertical and horizontal direction Lack of support and support cost
The problem of high.Technical scheme is as follows：
A kind of gob side entry retaining roadside support system, including concrete filled steel tube pier stud support device, light-weight aggregate flexible concrete
Spray-up, air duct fabric and diamond shape bar-mat reinforcement, set diamond shape bar-mat reinforcement along goaf side, air duct fabric are laid with the inside of diamond shape bar-mat reinforcement,
Whitewashing processing is carried out using light aggregate concrete to air duct fabric and diamond shape bar-mat reinforcement, airfast light-weight aggregate is formed in goaf side
Concrete spray coating, the thickness of light aggregate concrete spray-up is 200mm-500mm, and the opposite side of light aggregate concrete spray-up abuts steel
Pipe concrete pier stud support device；
The concrete filled steel tube pier stud support device includes concrete filled steel tube pier stud, pier stud footwear plate, pier stud top cap and bending resistance
Round steel, bending resistance round steel point are welded in the side of concrete filled steel tube pier stud, and top is equipped with the pier stud top cap of 200-300mm height, low side
It is connected with pier stud footwear plate, concrete filled steel tube pier stud includes pier stud steel pipe, concrete perfusion in pier stud steel pipe inner tube, pier stud steel pipe
Top, lower part are equipped with two connecting rods, and lower part is equipped with grouting port, and the pier stud top cap includes two kinds of forms：Steel pipe type pier stud
Top cap and bowl fastening type pier stud top cap；
Steel pipe type pier stud top cap is the steel pipe of a model bigger than pier stud diameter of steel tube, entangles steel pipe pier top end, and top cap is used
Steel plate closure is blocked, steel pipe type pier stud top cap is internally provided with flexible cushion, and the thickness of the flexible cushion is 150-250mm；Institute
It is wooden unit bed course or rubber spacer to state flexible cushion, to realize the slow pressure effect to concrete filled steel tube pier stud；
Bowl fastening type pier stud top cap, is connected by screw bolts by two flat the rim of a bowl shape steel plates and formed, flat the rim of a bowl shape steel plate
Flat bottom shape is truncated cone-shaped, and the truncated cone-shaped is flat to be sleeved on steel pipe pier top end, the top of the bowl fastening type pier stud top cap with it is pre-
Back is stayed to contact, the bowl fastening type steel plate is hollow structure, has certain compression deformation ability, therefore realize that steel pipe mixes
The contractibility of solidifying knoll column；Preferably, the rim of a bowl of each flat the rim of a bowl shape steel plate is equipped with four ears, and spiral shell is utilized by ear
Bolt connects two flat the rim of a bowl shape steel plates.
Include footwear slab plate on pier stud footwear plate, arc plate is welded on footwear slab plate, 4 arc plates are formed and concrete filled steel tube pier stud
The matched base in bottom, each footwear slab plate are equipped with 3 bases, and the thickness of footwear slab plate is 8-20mm, concrete filled steel tube
Pier stud is bolted with arc plate, is connected between concrete filled steel tube pier stud by connecting rod；The connecting rod is pull rod
Steel pipe, concrete perfusion forms in pipe.
The line space of the concrete filled steel tube pier stud is 0.6-1m.
The concrete filled steel tube pier stud is threadedly coupled with pier stud top cap.
The composition of the light aggregate concrete is (kg/m3)：Cement 450, haydite 650, sand 650, miberal powder 50, water 125, subtract
Aqua 3；The strength grade of light aggregate concrete is CL50, apparent density 800-1000kg/m3。
The construction method of gob side entry retaining roadside support system：
(1) first in ground processing and fabricating sky steel pipe pier stud shaft, pier stud top cap and pier stud footwear plate, concrete filled steel tube pier stud
Top outer is processed into screw thread mouth, and lower part is equipped with grouting port, the side spot welding bending resistance round steel of concrete filled steel tube pier stud；
(2) in the edge suspension diamond shape bar-mat reinforcement and air duct fabric of the goaf side in reserved tunnel, and mixed using light-weight aggregate
Solidifying soil carries out whitewashing processing, forms airfast light aggregate concrete spray-up in the goaf side, the goaf is sealed,
The light aggregate concrete jetting thickness is 200mm-500mm；
(3) empty steel pipe pier stud is set up against light aggregate concrete spray-up in the goaf side in reserved tunnel, steel pipe pier stud is set
Put on pier stud footwear plate, steel pipe pier stud installs a row or two rows, and the array pitch of adjacent two rows steel pipe pier stud is 0.6-1m, often arranges steel pipe
The adjacent pier stud spacing of pier stud is 0.6-1m, is connected between adjacent pier stud by connecting rod, to increase concrete filled steel tube pier stud branch
The stability of protecting system.Steel pipe pier stud (i.e. concrete filled steel tube pier stud) sets 200-300mm high between the top plate in reserved tunnel
The pier stud top cap of degree, pier stud top cap are divided into two kinds：Steel pipe type pier stud top cap and bowl fastening type pier stud top cap；
Steel pipe type pier stud top cap is the steel pipe of a model bigger than pier stud diameter of steel tube, entangles steel pipe pier top end, and top cap is used
Steel plate blocks, and steel pipe type pier stud top cap is internally provided with flexible cushion, and the thickness of the flexible cushion is 150-250mm；It is described soft
Property bed course be wooden unit bed course or rubber spacer, to realize the slow pressure effect to concrete filled steel tube pier stud；
Bowl fastening type pier stud top cap, is connected by screw bolts by two flat the rim of a bowl shape steel plates and formed, flat the rim of a bowl shape steel plate
Flat bottom shape is truncated cone-shaped, and the truncated cone-shaped is flat to be sleeved on steel pipe pier top end, top and the reserved lane of the bowl fastening type steel plate
Road top plate contact, the bowl fastening type pier stud top cap are hollow structure, have certain compression deformation ability, therefore realize that steel pipe mixes
The contractibility of solidifying knoll column；Preferably, the rim of a bowl of each flat the rim of a bowl shape steel plate is equipped with four ears, and spiral shell is utilized by ear
Bolt connects two flat the rim of a bowl shape steel plates.
Pier stud footwear plate includes footwear slab plate, and arc plate is welded on footwear slab plate, and 4 arc plates are formed and concrete filled steel tube pier stud bottom
The matched base in portion, each footwear slab plate are equipped with 3 bases, and the thickness of footwear slab plate is 8-20mm, steel tube concrete knoll
Column is bolted with arc plate, is connected between concrete filled steel tube pier stud by connecting rod；The connecting rod is pull rod steel
Manage, concrete perfusion forms in pipe.
(4) after empty steel pipe pier stud certain amount to be installed, using jack-block, by grouting port to filling inside empty steel pipe pier stud
Fast hardening concrete is noted, often carrying out side outside steel pipe with vibrating spear after the concrete of note 50cm shakes, to ensure the closely knit of concrete
Degree, to concrete and capital in same level；Fast hardening concrete 1d can be carried, and 3d can reach normal concrete 14d intensity, 7d
It can reach normal concrete 28d intensity.
Q235, Q345, Q390, Q420 steel can be selected in the steel pipe material of pier stud steel pipe in the present invention, and outer diameter of steel pipes is
168-325mm, thickness of steel pipe 6-16mm.
Concrete filled steel tube pier stud is recyclable, its recovery method has two kinds：First, using drilling machine, broken core concrete is bored, is struck
Hit on the outside of steel pipe to shake and tube wall concrete and topple over, realize that steel pipe recycles；Pushing away for concrete filled steel tube pier stud is exclusively used in second, using
Power machine, core concrete is released, and leaves sky steel pipe, realizes recycling.Based on the method for above-mentioned gob side entry retaining, present invention additionally comprises
A kind of thrust device for being exclusively used in concrete filled steel tube pier stud.At present, Inner Mongol Great Wall ore deposit has realized gob side entry retaining concrete filled steel tube
The recycling of pier stud, the ore deposit withdraw onsite application small-sized hydraulic drilling machine in concrete filled steel tube pier stud, when core concrete removes
Between be every 30 minutes, and the present invention can make steel pipe pier stud core concrete remove the time be reduced to every 10-15 minutes, greatly
The big removal efficiency for improving core concrete.
A kind of thrust device for being exclusively used in concrete filled steel tube pier stud, including by concrete filled steel tube pier stud fixing device and thrust
Machine device；
The concrete filled steel tube pier stud fixing device includes steel pipe pier stud fixed frame and round clasp, and the steel pipe pier stud is consolidated
Determining frame is welded by steel I-beam and steel channel beam, and the steel I-beam is equipped with High-strength bolt hole, for connecting thrust machine
Device, the round clasp are used to fix concrete filled steel tube pier stud, the appropriate pivot pin for adjusting round clasp, you can adapt to different shaped
Number concrete filled steel tube pier stud, the round clasp is welded on steel channel beam, and is welded with steel plate as shield in round clasp sidepiece
Wing steel plate, for strengthening the bearing capacity of round clasp；
Thrust machine device includes thrust machine, mobile platform, mobile platform fixed frame, impactor, impactor fixed frame, axis
Pin, pin groove, thrust machine device fixed frame.The thrust machine is fixed by bolts on mobile platform, the impactor fixed frame
On a mobile platform, the impactor is fixed on impactor fixed frame, and the impactor uses drilling machine type impactor, institute for welding
State mobile platform to be fixed on mobile platform fixed frame with pivot pin, the mobile platform fixed frame is welded on thrust machine device and fixes
On frame, the thrust machine device fixed frame is welded by steel I-beam and steel channel beam, and the steel I-beam is equipped with high-strength spiral shell
Keyhole, for joint steel pipe concrete pier column fixer；
Pass through the I-steel using high-strength bolt between concrete filled steel tube pier stud fixing device and thrust the machine device
High-strength bolt hole connection on beam.Realize the shifting in the left and right orientation of thrust machine device in position by adjusting the high-strength bolt
It is dynamic, the movement for realizing the orientation up and down of thrust machine device by adjusting position of the pivot pin in pin groove, so that preferably
Remove the core concrete in steel pipe pier stud.
The specific implementation step that steel pipe pier stud core concrete is removed using thrust device of the present invention is as follows：
Firstth, concrete filled steel tube pier stud fixing device and thrust machine device are connected by high-strength bolt on steel I-beam first
Connect, both is assembled into an entirety.
Second and then the concrete filled steel tube pier stud disassembled is put on steel pipe pier stud fixing bracket, tightening axle circle
Shape snap ring is fixed.
3rd, the pivot pin on the high-strength bolt and thrust machine device of connection is adjusted, makes thrust machine impactor alignment of orientation steel
The center of pipe concrete pier stud.
4th, open thrustor, the core concrete in steel pipe pier stud released, during this period can halt device at any time,
And thrust machine orientation is adjusted as needed, until core concrete is removed totally, so as to complete the recycling of steel pipe pier stud.
The thrust device of concrete filled steel tube pier stud is exclusively used in the present invention, it is basic to can be achieved all to remove within 15 minutes
Core concrete, substantially increases the removal of steel pipe pier stud core concrete, realizes the recycling of empty steel pipe pier stud.
The present invention has the following advantages compared with prior art：
(1) concrete filled steel tube pier stud is to be filled in empty steel pipe made of concrete, passes through the effect of contraction of steel pipe shell
Inner concrete is in three dimension stress state, improve the compression strength of core concrete, while concrete filled and steel pipe
Shell bears axial compressive force jointly, enhances the geometrical stability of steel pipe walls；
(2) concrete filled steel tubular member has cylindrical outer shape, and bending stiffness is big, and no anisotropy, is not easy torsional deformation, so that
Improve the bearing capacity of concrete filled steel tube pier stud；
(3) concrete filled steel tube pier stud does not connect top directly, and steel pipe top cap has certain compression deformation ability, can be to top plate
Certain pressure that allows is carried out, discharges the portion of energy in rock stratum, after its compression reaches capacity, concrete filled steel tube pier stud plays supporting
Efficiency, realizes the high strength support to top plate, and such a supporting construction is particularly suitable for the medium-thickness seam under the high-stress state of deep
Gob side entry retaining；
(4) the main component steel pipe pier stud reusing in the present invention, can such as use drilling machine and thrust machine to mix steel pipe
Solidifying knoll column inner core concrete removes, and realizes the recycling of empty steel pipe pier stud, and lane cost is stayed in reduction；
(5) gob-side entry retaining method of the invention is smaller to the influence for staying working face extraction in front of lane, effectively increases coal
Production efficiency, improves the operating environment in tunnel.
Brief description of the drawings
Fig. 1 is gob side entry retaining roadside support system sectional drawing of the present invention；
Fig. 2 is gob side entry retaining roadside support system structure diagram of the present invention；
Fig. 3 is concrete filled steel tube pier stud support device side view in the present invention；
Fig. 4 is concrete filled steel tube pier stud prop floor plan in the present invention；
Fig. 5 is steel pipe type pier stud top cap structure chart in the present invention；
Fig. 6 is the front view or side view of bowl fastening type top cap in the present invention；
Fig. 7 is the top view of bowl fastening type top cap in the present invention；
Fig. 8 is the hardened composition of pier stud footwear in the present invention；
Fig. 9 is concrete filled steel tube pier stud fixture structure schematic diagram；
Figure 10 is thrust machine apparatus structure schematic diagram；
Figure 11 is the thrust device structure diagram for being exclusively used in concrete filled steel tube pier stud.
Symbol description：
1. concrete filled steel tube pier stud support device, 2. light-weight aggregate flexible concrete spray coatings, 3. air duct fabrics, 4. diamond shape reinforcing bars
Net, 5. concrete filled steel tube pier studs, 6. pier stud footwear plates, 7. pier stud top caps, 8. bending resistance round steel, 9. pier stud steel pipes, 10. connecting rods,
11. grouting port, 12. steel pipe type pier stud top caps, 13. bowl fastening type pier stud top caps, 14. flexible cushions, 15. flat the rim of a bowl shape steel plates,
16. ear, 17. footwear slab plates, 18. arc plates, 19. screw threads, 20. closure steel plates, 21. concrete filled steel tube pier stud fixing devices, 22.
Thrust machine device, 23. steel pipe pier stud fixed frames, 24. round clasps, 25. steel I-beams, 26. steel channel beams, 27. High-strength bolt holes,
28. pivot pin, 29. flap steel plates, 30. thrust machines, 31. mobile platforms, 32. mobile platform fixed frames, 33. impactors, 34. impacts
Device fixed frame, 35. pin grooves, 36. thrust machine device fixed frames.
Embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But embodiment is only exemplary, does not form any restrictions to the scope of the present invention.Those skilled in the art should
It should be appreciated that the details and form of technical solution of the present invention can be repaiied without departing from the spirit and scope of the invention
Change or replace, but these modifications and replacement are each fallen within protection scope of the present invention.
A kind of gob side entry retaining roadside support system of embodiment 1
As Figure 1-Figure 8, it is flexible to include concrete filled steel tube pier stud support device 1, light-weight aggregate for gob-side entry retaining support system
Concrete spray coating 2, air duct fabric 3 and diamond shape bar-mat reinforcement 4, diamond shape bar-mat reinforcement 4, the inner side of diamond shape bar-mat reinforcement 4 are set along goaf side
Air duct fabric 3 is laid with, whitewashing processing is carried out using light aggregate concrete to air duct fabric 3 and diamond shape bar-mat reinforcement 4, is formed in goaf side
Airfast light aggregate concrete spray-up 2, the thickness of light aggregate concrete spray-up 2 is 200mm-500mm, and light aggregate concrete sprays
The opposite side of layer 2 abuts concrete filled steel tube pier stud support device 1；
The concrete filled steel tube pier stud support device 1 includes concrete filled steel tube pier stud 5, pier stud footwear plate 6,7 and of pier stud top cap
Bending resistance round steel 8,8 points of sides for being welded in concrete filled steel tube pier stud 5 of bending resistance round steel, top are equipped with the pier stud top of 200-300mm height
Cap 7, bottom are connected with pier stud footwear plate 6, and concrete filled steel tube pier stud 5 includes pier stud steel pipe 9, and coagulation is irrigated in 9 inner tube of pier stud steel pipe
Soil, 9 top of pier stud steel pipe, lower part are equipped with two connecting rods 10, and lower part is equipped with grouting port 11, and the pier stud top cap 7 includes two
Kind form：Steel pipe type pier stud top cap 12 and bowl fastening type pier stud top cap 13；
Steel pipe type pier stud top cap 12 is the steel pipe of a model bigger than 9 diameter of pier stud steel pipe, entangles concrete filled steel tube pier stud 5 and pushes up
End, top cap closure steel plate 20 block, and steel pipe type pier stud top cap 12 is internally provided with flexible cushion 14, the thickness of the flexible cushion 14
Spend for 150-250mm；The flexible cushion 14 is wooden unit bed course or rubber spacer, to realize the slow pressure to concrete filled steel tube pier stud
Effect；
Bowl fastening type pier stud top cap 13 is connected by screw bolts by two flat the rim of a bowl shape steel plates 15 and formed, flat the rim of a bowl shape steel plate
15 flat bottom shape is truncated cone-shaped, and the truncated cone-shaped is flat to be sleeved on 5 top of concrete filled steel tube pier stud, the bowl fastening type pier stud top cap
13 top is contacted with reserved back, and the bowl fastening type pier stud top cap 13 is hollow structure, has certain compression
Ability, therefore realize the contractibility of concrete filled steel tube pier stud；Preferably, the rim of a bowl of each flat the rim of a bowl shape steel plate 15 is equipped with four
A ear 16, is connected two flat the rim of a bowl shape steel plates 15 using bolt by ear 16.
Pier stud footwear plate 6 includes footwear slab plate 17, and 18,4 compositions of arc plates 18 of arc plate are welded on footwear slab plate 17 and are mixed with steel pipe
The solidifying matched base in knoll column bottom, each footwear slab plate 17 are equipped with 3 bases, and the thickness of footwear slab plate 17 is 8-
20mm, concrete filled steel tube pier stud 5 are bolted with arc plate 18, are connected between concrete filled steel tube pier stud 5 by connecting rod 10
Connect；The connecting rod 10 is pull rod steel pipe, and concrete perfusion forms in pipe.
The line space of the concrete filled steel tube pier stud 5 is 0.6-1m.
The concrete filled steel tube pier stud 5 is connected with 7 screw thread 19 of pier stud top cap.
The composition of 2 light aggregate concrete of embodiment
The composition of light aggregate concrete is (kg/m3)：Cement 450, haydite 650, sand 650, miberal powder 50, water 125, water-reducing agent
3；The strength grade of light aggregate concrete is CL50, apparent density 800-1000kg/m3。
The construction method of 3 gob side entry retaining roadside support system of embodiment
Comprise the following steps that：
(1) first in ground processing and fabricating sky steel pipe pier stud shaft, pier stud top cap and pier stud footwear plate, concrete filled steel tube pier stud
Top outer is processed into screw thread mouth, and lower part is equipped with grouting port, the side spot welding bending resistance round steel of concrete filled steel tube pier stud；
(2) in the edge suspension diamond shape bar-mat reinforcement and air duct fabric of the goaf side in reserved tunnel, and mixed using light-weight aggregate
Solidifying soil carries out whitewashing processing, forms airfast light aggregate concrete spray-up in the goaf side, the goaf is sealed,
The light aggregate concrete jetting thickness is 200mm-500mm；
(3) empty steel pipe pier stud is set up against light aggregate concrete spray-up in the goaf side in reserved tunnel, steel pipe pier stud is set
Put on pier stud footwear plate, steel pipe pier stud installs a row or two rows, and the array pitch of adjacent two rows steel pipe pier stud is 0.6-1m, often arranges steel pipe
The adjacent pier stud spacing of pier stud is 0.6-1m, is connected between adjacent pier stud by connecting rod, to increase concrete filled steel tube pier stud branch
The stability of watch box system.Steel pipe pier stud (i.e. concrete filled steel tube pier stud) sets 200-300mm high between the top plate in reserved tunnel
The pier stud top cap of degree, pier stud top cap are divided into two kinds：Steel pipe type pier stud top cap and bowl fastening type pier stud top cap；
Steel pipe type pier stud top cap is the steel pipe of a model bigger than pier stud diameter of steel tube, entangles steel pipe pier top end, and top cap is used
Steel plate blocks, and steel pipe type pier stud top cap is internally provided with flexible cushion, and the thickness of the flexible cushion is 150-250mm；It is described soft
Property bed course be wooden unit bed course or rubber spacer, to realize the slow pressure effect to concrete filled steel tube pier stud；
Bowl fastening type pier stud top cap, is connected by screw bolts by two flat the rim of a bowl shape steel plates and formed, flat the rim of a bowl shape steel plate
Flat bottom shape is truncated cone-shaped, and the truncated cone-shaped is flat to be sleeved on steel pipe pier top end, top and the reserved lane of the bowl fastening type steel plate
Road top plate contact, the bowl fastening type steel plate are hollow structure, have certain compression deformation ability, therefore realize concrete filled steel tube
The contractibility of pier stud；Preferably, the rim of a bowl of each flat the rim of a bowl shape steel plate is equipped with four ears, will using bolt by ear
Two flat the rim of a bowl shape steel plate connections.
Include footwear slab plate on pier stud footwear plate, arc plate is welded on footwear slab plate, 4 arc plates are formed and concrete filled steel tube pier stud
The matched base in bottom, each footwear slab plate are equipped with 3 bases, and the thickness of footwear slab plate is 8-20mm, concrete filled steel tube
Pier stud is bolted with arc plate, is connected between concrete filled steel tube pier stud by connecting rod；The connecting rod is pull rod
Steel pipe, concrete perfusion forms in pipe.
(4) after empty steel pipe pier stud certain amount to be installed, using jack-block, by grouting port to filling inside empty steel pipe pier stud
Fast hardening concrete is noted, to concrete and capital in same level；Fast hardening concrete 1d can be carried, and 3d can reach normal concrete
14d intensity, 7d can reach normal concrete 28d intensity.
A kind of thrust device for being exclusively used in concrete filled steel tube pier stud of embodiment 4
As shown in figs. 9-11, reasoning device is included by concrete filled steel tube pier stud fixing device 21 and thrust machine device 22；
The concrete filled steel tube pier stud fixing device 21 includes steel pipe pier stud fixed frame 23 and round clasp 24, the steel pipe
Pier stud fixed frame 23 is welded by steel I-beam 25 and steel channel beam 26, and the steel I-beam 25 is equipped with High-strength bolt hole
27, for connecting thrust machine device 22, the round clasp 24 is used to fix concrete filled steel tube pier stud 5, suitably adjusts circular card
The pivot pin 28 of ring 24, you can adapt to the concrete filled steel tube pier stud 5 of different model, the round clasp 24 is welded on steel channel beam 26
On, and steel plate is welded with as flap steel plate 29 in 24 sidepiece of round clasp, for strengthening the bearing capacity of round clasp 24；
Thrust machine device 22 includes thrust machine 30, mobile platform 31, mobile platform fixed frame 32, impactor 33, impactor
Fixed frame 34, pivot pin 28, pin groove 35, thrust machine device fixed frame 36；The thrust machine 30 is fixed by bolts to mobile platform
On, on a mobile platform, the impactor 33 is fixed on impactor fixed frame 34, the punching for the impactor fixed frame welding
Hit device 33 and use drilling machine type impactor, the mobile platform 31 is fixed on 32 on mobile platform fixed frame with pivot pin 28, the shifting
Moving platform fixed frame 32 is welded on thrust machine device fixed frame 36, and the thrust machine device fixed frame 36 is by 25 He of steel I-beam
Steel channel beam 26 is welded, and the steel I-beam 25 is equipped with High-strength bolt hole 27, is fixed for joint steel pipe performance of concrete column confined
Device 21；
Pass through the work using high-strength bolt between the concrete filled steel tube pier stud fixing device 21 and thrust machine device 22
High-strength bolt hole 27 on word girder steel 25 connects.
Claims (1)
1. a kind of thrust device for being exclusively used in concrete filled steel tube pier stud, it is characterised in that thrust device includes steel tube concrete knoll
Column fixer and thrust machine device；
The concrete filled steel tube pier stud fixing device includes steel pipe pier stud fixed frame and round clasp, the steel pipe pier stud fixed frame
It is to be welded by steel I-beam and steel channel beam, the steel I-beam is equipped with High-strength bolt hole, and the round clasp is welded on
On steel channel beam, and steel plate is welded with as flap steel plate in round clasp sidepiece；
Thrust machine device includes thrust machine, mobile platform, mobile platform fixed frame, impactor, impactor fixed frame, pivot pin, axis
Cotter way and thrust machine device fixed frame；The thrust machine is fixed by bolts on mobile platform, the impactor fixed frame welding
On a mobile platform, the impactor is fixed on impactor fixed frame, and the impactor uses drilling machine type impactor, the shifting
Moving platform is fixed on mobile platform fixed frame with pivot pin, and the mobile platform fixed frame is welded on thrust machine device fixed frame
On, the thrust machine device fixed frame is welded by steel I-beam and steel channel beam, and the steel I-beam is equipped with high-strength bolt
Hole；
Passed through between concrete filled steel tube pier stud fixing device and thrust the machine device using high-strength bolt on the steel I-beam
High-strength bolt hole connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165194.6U CN207229125U (en) | 2017-02-23 | 2017-02-23 | A kind of thrust device for being exclusively used in concrete filled steel tube pier stud |
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|---|---|---|---|
| CN201721165194.6U CN207229125U (en) | 2017-02-23 | 2017-02-23 | A kind of thrust device for being exclusively used in concrete filled steel tube pier stud |
| CN201720165921.2U CN206707726U (en) | 2017-02-23 | 2017-02-23 | A kind of gob side entry retaining roadside support system |
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| CN201720165921.2U Division CN206707726U (en) | 2017-02-23 | 2017-02-23 | A kind of gob side entry retaining roadside support system |
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| CN201721165194.6U Active CN207229125U (en) | 2017-02-23 | 2017-02-23 | A kind of thrust device for being exclusively used in concrete filled steel tube pier stud |
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| CN106677804B (en) * | 2017-02-23 | 2019-03-29 | 山东建筑大学 | A kind of gob side entry retaining roadside support system and its construction method |
| CN109209488A (en) * | 2018-11-12 | 2019-01-15 | 王�琦 | Gob side entry confined concrete pillar construction equipment and mechanized construction method |
| CN109915138B (en) * | 2019-03-26 | 2021-03-30 | 中国矿业大学(北京) | Easy-to-self-fire coal layer top-cutting self-tunneling coal-pillar-free mining method |
| CN110359363B (en) * | 2019-07-26 | 2021-01-01 | 山东建筑大学 | Partially-bonded prestressed assembly type self-resetting bridge pier column node and method |
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2017
- 2017-02-23 CN CN201720165921.2U patent/CN206707726U/en not_active Expired - Fee Related
- 2017-02-23 CN CN201721165194.6U patent/CN207229125U/en active Active
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