Utility model content
The utility model embodiment technical problem to be solved is, provides a kind of anchor pole multi-section reaming facility with high breakout capacity.Concrete technical scheme is as follows:
On the one hand, the utility model embodiment provides a kind of anchor pole multi-section reaming facility, with jumbolter with the use of, comprise Hydraulic Station, the first pipeline, second pipe, reaming head, described reaming head comprises hydraulic cylinder, arched depressor fixed disk, arched depressor, chassis and braced structures;
Described hydraulic cylinder is fixed on the drilling rod lower end of described jumbolter;
Described hydraulic cylinder comprises cylinder body, piston and piston rod, described piston is arranged on described cylinder interior, and can relatively described cylinder body axially-movable, thus described cylinder body is separated into hydraulic cylinder upper chamber and the hydraulic cylinder lower chambers of variable volume, described hydraulic cylinder upper chamber is connected with described Hydraulic Station by described first pipeline, described hydraulic cylinder lower chambers is connected with described Hydraulic Station by described second pipe, the upper end of described piston rod is fixed on the bottom of described piston, and the lower end of described piston rod is fixed on the top of described arched depressor fixed disk;
Described arched depressor to comprise on a pair bow pressing arm and with the radially symmetrically arranged a pair time bow pressing arm of bow pressing arm upper described in a pair, described in a pair, the upper upper end of bow pressing arm and the lower central position of described arched depressor fixed disk are rotatably connected, the lower end of upper bow pressing arm described in a pair is rotatably connected with the upper end of bow pressing arm lower described in a pair, descends the lower end of bow pressing arm and the central upper portion position on described chassis to be rotatably connected described in a pair;
Described braced structures is fixed between the inferior part of the cylinder block of described hydraulic cylinder and described chassis.
Particularly, as preferably, described braced structures is sleeve, and the two ends of described sleeve are set with and on the lower end being fixed on the cylinder body of described hydraulic cylinder and described chassis;
Described arched depressor fixed disk contacts with the inwall of described sleeve, and can along the inwall axially-movable of described sleeve;
The sidepiece that described sleeve is relative is provided with the gap for holding described arched depressor, makes described arched depressor radially expand or shrink.
Particularly, as preferably, described facility also comprise watch-dog, and described watch-dog is connected with described first pipeline and described second pipe respectively, are used for monitoring and show the reaming state of described facility.
Particularly, described watch-dog comprises data acquisition unit, single-chip microcomputer and display, described data acquisition unit is connected with described first pipeline and described second pipe, the fluid information in described first pipeline and described second pipe is gathered by described data acquisition unit, described single-chip microcomputer is connected with described data acquisition unit, by the fluid information that described single-chip microcomputer processing said data collector collects, described display is connected with described single-chip microcomputer, is shown the reaming state of described facility by described display.
Particularly, described upper bow pressing arm is rotatably connected by bearing pin and described arched depressor fixed disk, and described upper bow pressing arm is rotatably connected by bearing pin and described lower bow pressing arm, and described lower bow pressing arm is rotatably connected by bearing pin and described chassis.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The anchor pole multi-section reaming facility that the utility model embodiment provides, by hydraulic cylinder being fixed on the drilling rod lower end of jumbolter, with jumbolter with the use of.Jumbolter formation is bored into certain depth and forms stake holes, the reaming head of the utility model anchor pole multi-section reaming facility is placed in a certain position of stake holes inside, and makes Hydraulic Station be placed in the outside of stake holes simultaneously.By the first pipeline and second pipe, Hydraulic Station is connected with hydraulic cylinder, can promotes the piston axially-movable in hydraulic cylinder under the force effect of Hydraulic Station, and then promotion arched depressor is expanded, extruding hole wall reaches the effect of reaming.Reaming mode like this can carry out the reaming of multiple location variable cross-section in diverse location place in stake holes on the one hand, significantly improves the breakout capacity of anchor pole, and then effectively reduces the drilling depth of anchor pole, saves construction cost; On the other hand, be not only avoid by above-mentioned reaming mode and disturbance is caused to soil layer, ground compacting can also be carried out to the soil layer of reaming place, and decrease the generation of sediment, be more conducive to improve follow-up concrete pouring quality.
Detailed description of the invention
Unless otherwise defined, all technical terms that the utility model embodiment is used all have the identical implication usually understood with those skilled in the art.Before the utility model embodiment is described in further detail, provide definition to understanding some terms of the utility model embodiment.
" axis " described in the utility model embodiment refers to the axis direction of the rotary middle spindle of the drilling rod of jumbolter, also can be understood as, the rectilinear direction at two circle center line connecting places in the two ends of drill face of jumbolter.Correspondingly, described " radial direction " refers to the direction vertical with described " axis ".
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
First aspect, the utility model embodiment provides a kind of anchor pole multi-section reaming facility, as shown in Figure 1, these anchor pole multi-section reaming facility and jumbolter M with the use of, these anchor pole multi-section reaming facility comprise Hydraulic Station 1, first pipeline 2, second pipe 3, reaming head 4, wherein, reaming head 4 comprises again hydraulic cylinder 41, arched depressor fixed disk 42, arched depressor 43, chassis 44 and braced structures 45.
Hydraulic cylinder 41 is fixed on the drilling rod M1 lower end of jumbolter M;
Hydraulic cylinder 41 comprises cylinder body 411, piston 412 and piston rod 413.Wherein, it is inner that piston 412 is arranged on cylinder body 411, and can opposing cylinder 411 axially-movable, thus cylinder body 411 is separated into hydraulic cylinder upper chamber 4111 and the hydraulic cylinder lower chambers 4112 of variable volume.Hydraulic cylinder upper chamber 4111 is connected with Hydraulic Station 1 by the first pipeline 2, hydraulic cylinder lower chambers 4112 is connected with Hydraulic Station 1 by second pipe 3, the upper end of piston rod 413 is fixed on the bottom of piston 412, and the lower end of piston rod 413 is fixed on the top of arched depressor fixed disk 42.
Further, arched depressor 43 to comprise on a pair bow pressing arm 431 and with this pair on the radially symmetrically arranged a pair time bow pressing arm 432 of bow pressing arm 431.On a pair, the upper end of bow pressing arm 431 and the lower central position of arched depressor fixed disk 42 are rotatably connected; On a pair, the lower end of bow pressing arm 431 and the upper end of a pair time bow pressing arm 432 are rotatably connected; The lower end of a pair time bow pressing arm 432 and the central upper portion position on chassis 44 are rotatably connected.
Braced structures 45 is fixed between cylinder body 411 bottom of hydraulic cylinder 41 and chassis 44.
The operating principle of the anchor pole multi-section reaming facility that the utility model embodiment provides is as follows:
First, the hydraulic cylinder 41 in anchor pole multi-section reaming facility the utility model embodiment provided is fixed on the drilling rod M1 lower end of jumbolter M, come with jumbolter M with the use of.Jumbolter M formation is utilized to carry out holing until form the stake holes of certain depth, reaming head 4 in the utility model anchor pole multi-section reaming facility is placed in a certain position of this stake holes inside, Hydraulic Station 1 is arranged on stake holes outside (such as on ground) simultaneously.
Because hydraulic cylinder 41 to be separated into hydraulic cylinder upper chamber 4111 and the hydraulic cylinder lower chambers 4112 of variable volume by piston 412, and hydraulic cylinder upper chamber 4111 is connected with Hydraulic Station 1 by the first pipeline 2, hydraulic cylinder lower chambers 4112 is connected with Hydraulic Station 1 by second pipe 3.Setting like this, the flow direction of liquid in the first pipeline 2 and second pipe 3 can be controlled by Hydraulic Station 1, and then the pressure differential in hydraulic control cylinder upper chamber 4111 and hydraulic cylinder lower chambers 4112, and piston 412 is moved up and down under this pressure differential effect in cylinder body 411 vertically.Upper end due to piston rod 413 is fixed on the bottom of piston 412, the lower end of piston rod 413 is fixed on the top of arched depressor fixed disk 42, then piston rod 413 can be driven synchronously to move up and down by piston 412 moving up and down vertically, what piston rod 413 then drove the arched depressor fixed disk 42 be fixedly connected with it to do synchronously to carry out vertically thereupon moves up and down.Particularly, when hydraulic cylinder upper chamber 4111 feed liquor, and during hydraulic cylinder lower chambers 4112 times liquid, piston 412 moves downward vertically, and then make piston rod 413 promote arched depressor fixed disk 42 to move downward vertically, arched depressor fixed disk 42 then carries out downward force effect to the arched depressor 43 being arranged on its underpart.
Due to arched depressor 43 to comprise on a pair bow pressing arm 431 and with this pair on the radially symmetrically arranged a pair time bow pressing arm 432 of bow pressing arm 431.On a pair, the upper end of bow pressing arm 431 and the lower central position of arched depressor fixed disk 42 are rotatably connected; On a pair, the lower end of bow pressing arm 431 and the upper end of a pair time bow pressing arm 432 are rotatably connected; The lower end of a pair time bow pressing arm 432 and the central upper portion position on chassis 44 are rotatably connected.In the process that arched depressor fixed disk 42 exerts a force downwards, upper bow pressing arm 431 rotates around the tie point of itself and arched depressor fixed disk 42 that (right arm of upper bow pressing arm 431 rotates along its tie point counter clockwise direction with arched depressor fixed disk 42, left arm then rotates along this tie point clockwise direction), unlike this, upper bow pressing arm 431 drives lower bow pressing arm 432 to rotate (right arm of lower bow pressing arm 432 rotates along the tie point clockwise direction on itself and chassis 44, and left arm is then along this tie point counter clockwise direction rotation) along itself and the tie point on chassis 44.Be understandable that, carry out in the process of above-mentioned rotation at upper bow pressing arm 431 and lower bow pressing arm 432, upper bow pressing arm 431 and lower bow pressing arm 432 are also keep in relative rotation between the two, ensure that the center of arched depressor 43 moves downward vertically so, entirety is radially in expansion state, and then extruding hole wall reaches the effect of reaming.When piston 412 moves to bottom in cylinder body 411, arched depressor 43 is expanded to maximum, and namely the squeezed distance of arched depressor 43 reaches maximum.
And correspondingly, when hydraulic cylinder upper chamber 4111 times liquid, and during hydraulic cylinder lower chambers 4112 feed liquor, 412, piston moves upward vertically, and then make piston rod 413 pull arched depressor fixed disk 42 also to move upward vertically, arched depressor 43 is then subject to arched depressor fixed disk 42 pulling force, thus make upper bow pressing arm 431 wherein and lower bow pressing arm 432 do the motion contrary with aforementioned thrust process, namely the center of arched depressor 43 moves upward vertically, entirety, radially in contraction state, completes a complete reaming procedure.
After completing a complete reaming procedure, then rotate the drilling rod M1 of jumbolter M, the reaming head 4 in the utility model anchor pole multi-section reaming facility is made to be placed in other a certain positions of this stake holes inside, and repeat above-mentioned reaming procedure, until the plate-like cavity that formation one is complete in same level, and then complete the reaming of a cavity.Subsequently, reaming head 4 of the present utility model is proposed in stake holes, in other stake holes, carries out above-mentioned reaming procedure.
In addition, it will be appreciated by persons skilled in the art that by braced structures 45 is fixed between cylinder body 411 bottom of hydraulic cylinder 41 and chassis 44, be used for fixing chassis 44, ensure can not to move along with the motion of lower bow pressing arm 432 in chassis 44.
From the above, the reaming facility utilizing the utility model embodiment to provide carry out the reaming of aforesaid way, first aspect, the reaming of multiple location variable cross-section can be carried out in diverse location place in stake holes, form a complete plate-like cavity, significantly improve the breakout capacity of anchor pole, and then effectively reduce the drilling depth of anchor pole, save construction cost.Second aspect, not only avoid and cause disturbance to soil layer, can also carry out ground compacting, and decrease the generation of sediment to the soil layer of reaming place, is more conducive to improve follow-up concrete pouring quality.The third aspect, by adopting the pressure differential in Hydraulic Station 1 hydraulic control cylinder 41 up and down between chamber, pressure is more controlled, and effectively prevent arched depressor 43 cannot the problem of normal expansion or contraction.Fourth aspect, concrete and reinforcing bar belong to disposable material, and the staving press prodigiosin utilizing the utility model embodiment to provide enough makes the concrete of less amount and reinforcing bar be embedded in underground, environmental protection more.
As preferably, this braced structures 45 is sleeve, the two ends of sleeve are set with and on the lower end being fixed on the cylinder body 411 of hydraulic cylinder 41 and chassis 44, arched depressor fixed disk 42 contacts with the inwall of sleeve, and can along sleeve lining axially-movable, the sidepiece that sleeve is relative is provided with the gap for holding arched depressor 43, makes arched depressor 43 radially expand or shrink.By braced structures 45 being arranged to the sleeve of cylindrical structure, can not only effectively making it be moved by fixed underpan 44, and hydraulic cylinder 41 can be protected not to be damaged.This is because, in reaming procedure, arched depressor 43 is delivered on sleeve in the counter-force of the soil layer be subject to through chassis 44 and arched depressor fixed disk 42, sleeve is made to bear the counter-force of the soil layer suffered by arched depressor 43, avoid hydraulic stem and bear this counter-force, and then avoid cause arched depressor 43 all directions discontinuity because soil layer is uneven and the moment loading produced on piston rod 413, cause piston rod 413 to bend and fracture.Be understandable that, the external diameter of arched depressor fixed disk 42 and the internal diameter of sleeve match, the annular side portions making arched depressor fixed disk 42 all with the contact internal walls of sleeve, to realize above-mentioned counter-force to be transferred on sleeve.Further, in order to reduce the frictional force between sleeve and arched depressor fixed disk 42, wear-resisting lubricious of one deck can be applied on the inwall of sleeve, such as ceramic coating, alloy coat etc.
In addition, the utility model embodiment is also provided with the gap for holding arched depressor 43 at the sidepiece that sleeve is relative, makes arched depressor 43 radially expand or shrink.The size in this gap and structure are advisable to make upper bow pressing arm 431 and lower bow pressing arm 432 can pass and carry out rotation.Visible, the braced structures 45 of tube-in-tube structure has larger lifting surface area, longer service life relative to shaft-like braced structures 45.
Further, the utility model embodiment provides a kind of facility with more preferably structure, and these facility also comprise watch-dog 5, and watch-dog 5 is connected with the first pipeline 2 and described second pipe 3 respectively, is used for monitoring and shows the reaming state of facility.
Current broaching equipment is often positioned at deep underground in work progress, and be immersed in mud when major part, the state of equipment reaming cannot be monitored on the ground, construction quality is caused to be determined according to personal experience by operator completely, and construction data adopts manual record, therefore the quality of reaming can not be guaranteed, and even causes counter bore diameter not up to standard, thus affects workmanship.In the utility model embodiment, liquid inlet volume and time liquid measure of hydraulic cylinder 41 are determined by the liquid flow information gathered in the first pipeline 2 and second pipe 3, because feed liquor process and time liquid process are separated from each other, therefore the reaming state that the information of each moment liquid in the first pipeline 2 and second pipe 3 all can corresponding be determined, watch-dog 5 is arranged on the ground, watch-dog 5 is by detecting liquid inlet volume in the first pipeline 2 and second pipe 3 and returning the state that liquid measure monitors down-hole, ensure reaming steady quality, counter bore diameter reaches standard, guarantee workmanship.
Particularly, this watch-dog 5 comprises data acquisition unit 51, single-chip microcomputer 52 and display 53, data acquisition unit 51 is connected with the first pipeline 2 and second pipe 3, the fluid information in the first pipeline 2 and second pipe 3 is gathered by data acquisition unit 51, single-chip microcomputer 52 is connected with data acquisition unit 51, process by single-chip microcomputer 52 fluid information that data acquisition unit 51 collects, display 53 is connected with single-chip microcomputer 52, is shown the reaming state of facility by display 53.
In the present embodiment, the flow information in the first pipeline 2 and second pipe 3 is gathered by data acquisition unit 51, and the fluid information collected is delivered to single-chip microcomputer 52, process corresponding fluid information by single-chip microcomputer 52 and generate the data of the utility model reaming state, by single-chip microcomputer 52, the status data in hole is delivered on display 53, is shown the state of the utility model reaming by display 53.Certainly, it will be appreciated by persons skilled in the art that and can also connect printer on single-chip microcomputer 52, be convenient to the state directly printing the utility model reaming.
Particularly, upper bow pressing arm 431 is rotatably connected by bearing pin 6 and arched depressor fixed disk 42, and upper bow pressing arm 431 is rotatably connected by bearing pin 6 and lower bow pressing arm 432, and lower bow pressing arm 432 is rotatably connected by bearing pin 6 and chassis 44.
In the utility model embodiment, between upper bow pressing arm 431 and arched depressor fixed disk 42, between lower bow pressing arm 432 and chassis 44, all connected by bearing pin 6 between upper bow pressing arm 431 and lower bow pressing arm 432, structure is simple, reasonable stress, be convenient to install, certainly, those skilled in the art are known, above-mentioned connection can also be realized by other connected modes, its connected mode is rotated can realize bow pressing arm 431 opposing arch depressor fixed disk 42 in the plane at itself and the tie point of arched depressor fixed disk 42 and the axis place of arched depressor fixed disk 42, lower bow pressing arm 432 rotates relative to chassis 44 with the tie point on chassis 44 with in the plane at the axis place on chassis 44 at it, upper bow pressing arm 431 and lower bow pressing arm 432 corresponding with it all can rotate relative to each other and be as the criterion in both planes crossing the tie point place on tie point and both and arched depressor fixed disk 42 or chassis 44.
The foregoing is only preferred embodiment of the present utility model; not in order to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.