CN207229010U - Pattern foundation pit supporting structure bored pile construction equipment - Google Patents
Pattern foundation pit supporting structure bored pile construction equipment Download PDFInfo
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- CN207229010U CN207229010U CN201720798913.1U CN201720798913U CN207229010U CN 207229010 U CN207229010 U CN 207229010U CN 201720798913 U CN201720798913 U CN 201720798913U CN 207229010 U CN207229010 U CN 207229010U
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- rod
- bit body
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Abstract
The utility model discloses pattern foundation pit supporting structure bored pile construction equipment,Its key points of the technical solution are that including rotary drilling rig body,Drilling rod is provided with rotary drilling rig body,Sliding is connected with power head on rotary drilling rig body,Drilling rod is plugged in power head,The bottom of drilling rod is provided with bit body,Bit body slidably connects punching,The top slide of bit body is connected with trip rod,The first rack is provided with trip rod,Gear mechanism is fixedly installed at the top of bit body,The top slide of bit body is connected with drive rod,The second rack is provided with drive rod,Second rack sets jagged along its length,Power head props up drive rod and down promotes drive rod,At this moment under the action of gear mechanism,Trip rod up slides,The second rack notch and gear mechanism to it is corresponding when,Second rack and pinion mechanism departs from,Trip rod down hits and promotes punching under gravity at this time,Punching promotes the soil in bit body during down moving.
Description
Technical field
Building foundation engineering apparatus field is the utility model is related to, more specifically, it relates to pattern foundation pit supporting structure drill-pouring
Pile driving construction equipment.
Background technology
With the needs of urban development, a large amount of newly-built high-rise, high-rise buildings are opened, it is necessary to carry out deep basal pit to proposed place
Dig, and effective support is carried out to foundation pit side-wall, pattern foundation pit supporting structure generally uses drill-pouring piling method, and a circle is formed on foundation pit periphery
Support pile.
During pattern foundation pit supporting structure bored pile construction, perforate, rotary drilling rig sheet are carried out commonly using rotary drilling rig
Drilling rod is provided with body, is slid on rotary drilling rig body and is connected with power head, drilling rod is plugged in power head, and the bottom of drilling rod is set
There is drill bit, the main working parts of rotary drilling rig are drill bit, and drill bit includes bit body and drill bit bottom cover, brill is provided with below bottom cover
Tooth, drill bit enter drilling, and power head drives drilling rod to rotate, so that drill bit bottom cover, by soil precession bit body, bit body fills
After full bit body, drill bit is mentioned ground by drilling rod, and operating personnel open drill bit bottom cover, the soil in bit body is drawn off.
But when meeting clay soil, pass through itself rotary squeezing into the soil in bit body, compressed in bit body,
And stick in bit body, cause to unload native difficulty, influence construction efficiency.
Utility model content
The purpose of this utility model is to provide pattern foundation pit supporting structure bored pile construction equipment, has the soil in bit body
The advantages of going out bit body, conveniently unloading soil.
The above-mentioned technical purpose of the utility model technical scheme is that：Pattern foundation pit supporting structure drill-pouring
Pile driving construction equipment, including rotary drilling rig body, are provided with drilling rod on the rotary drilling rig body, sliding on the rotary drilling rig body
Shifting is connected with power head, and the drilling rod is plugged in power head, and the bottom of the drilling rod is provided with bit body, the bottom of the bit body
Portion is rotatably connected to drill bit bottom cover, and brill tooth is provided with below the bottom cover, and the bit body is provided with matches somebody with somebody with the clamping of drill bit bottom cover
The clamping mechanism of conjunction, vertically slidably connects punching in the bit body, the top of the bit body is vertically
Trip rod is slidably connected, the bottom of the trip rod and the top of punching contact, and first is provided with the trip rod
Rack, is fixedly installed gear mechanism at the top of the bit body, the top of the bit body vertically slidably connects
Drive rod, is provided with the second rack on the drive rod, the gear mechanism is engaged and matched somebody with somebody with the first rack and the second rack at the same time
Close, and the gear mechanism make trip rod and drive rod the same time glide direction on the contrary, second rack along its
Length direction is provided with multiple notches, and the top of the drive rod and the bottom of power head contact.
By using above-mentioned technical proposal, bit body is arranged at the bottom of drilling rod, and the upper of bit body can be realized by drilling rod
The operation for rising and declining, it is convenient bit body is put in into drilling to carry out perforate or exit bit body to carry out unloading soil from drilling,
Power head provides moment of torsion for drilling rod, rotates drilling rod, so that bit body and drill bit bottom cover rotate, with bench drill tooth by the mud of bottom hole
Soil is screwed in bit body, and when soil is filled in bit body, bit body is mentioned ground, and drill bit bottom cover is released by clamping mechanism
With the clamping relation of bit body, drill bit bottom cover downwardly turns over, and the bottom of bit body is in communication with the outside, and to carry out unloading soil, at the same time will
Power head is moved toward close to the direction of bit body, and power head props up drive rod and down promotes drive rod, at this moment in gear mechanism
Under the action of structure, trip rod up slides, the second rack notch and gear mechanism to it is corresponding when the second rack and pinion mechanism
Depart from, trip rod down slides under gravity at this time, and hits the upper surface of punching, by punching toward the lower end of bit body
Hit, punching promotes the soil in bit body during down moving, and the second rack is provided with along its length
Multiple notches, drive rod depart from after repeatedly being engaged with gear mechanism during the downslide, while cause trip rod repeatedly up
Lower slider simultaneously hits punching so that the distance that punching glides rushes the soil sticked in bit body closer to the bottom of bit body
Lower ground, reduces and passes through itself rotary squeezing because entering the soil in bit body, compressed in bit body, causes to unload native difficulty
Situation, accelerates construction efficiency.
Preferably, the clamping mechanism includes connecting rod and grab, and the grab is fixedly connected on drill bit bottom cover, the connecting rod
Bit body is rotationally connected with, the direction of top towards the power head of the connecting rod is provided with the skewback contacted with power head,
The connecting rod is engaged by clamping backwards to the bottom of the one side of skewback and grab, and the top of the connecting rod is above drive rod.
By using above-mentioned technical proposal, when unload soil operation, power head is moved toward close to the direction of bit body,
During this, power head can prop up the skewback on connecting rod top, and the top of skewback and connecting rod is promoted toward outside, same with this
When, connecting rod is moved backwards to the bottom of the one side of skewback toward the direction away from grab so that connecting rod is separated with grab, and drill bit bottom cover exists
Down overturn under the action of gravity so that the bottom of bit body is in communication with the outside, and can carry out unloading native operation, it is not necessary to operating personnel
Manual unlocking drill bit bottom cover by bit body is gone to, improves the construction safety of construction site, and when moving down power head,
Power head first contacts connecting rod so that connecting rod is realized before trip rod hits punching with grab and separated, and opens drill bit bottom cover, Ran Houdong
Power head just promotes drive rod, the soil in bit body is smoothly drawn off.
Preferably, the top of the bit body is provided with air hole.
By using above-mentioned technical proposal, air hole causes the air pressure in the space between punching and bit body to be kept with extraneous
Unanimously, the feelings hindered caused by the air pressure in the space between punching and bit body down slides trip rod more than extraneous are reduced
Condition.
Preferably, the gear mechanism includes first gear, second gear and unilateral bearing, the first gear with it is unidirectional
The outer shroud of bearing is fixedly and coaxially connected, and the inner ring of the second gear and unilateral bearing is fixedly and coaxially connected, the second gear
The top of bit body is rotationally connected with, the first gear engages cooperation, second rack and second gear with the first rack
Side engagement away from the first rack coordinates, described unidirectional when second rack is engaged with second gear and is up moved
Bearing is free to rotate.
By using above-mentioned technical proposal, when power head down moves and props up drive rod, drive rod drives the second tooth
Bar down slides, and at this moment the second rack is engaged with second gear, and second gear is rotated by the second rack drives, and unidirectional at this time
Bearing is in locking state, and first gear rotates in same direction with second gear, and drives the first rack and trip rod up to move,
Notch on second rack and second gear to it is corresponding when second gear depart from the second rack, at this moment work of the trip rod in gravity
Down slided under and hit punching, hereafter drive rod power head continue down slide, the second rack again with second gear
Engagement, and above procedure is repeated, after the completion of soil operation is unloaded, after power head up moves, drive rod is up moved, and drives
Engage second of the wheel coordinated with the second rack to rotate, unilateral bearing is in and state, second gear and first is freely rotated at this time
Gear is independent of each other, and after drive rod is set back, when drive rod has the trend down moved, unilateral bearing is in locked shape
State, the position of drive rod will be kept, and during perforate is carried out, up be extruded punching into the soil in bit body,
Drive trip rod up to slide, and drive the first racks turn engaged with the first rack, unilateral bearing is in and freely turns at this time
Dynamic state, trip rod are smoothly up slided by punching.
Preferably, tension spring is provided between the drive rod and bit body, the tension spring makes driving in extended state
Bar has the trend up moved.
By using above-mentioned technical proposal, after the completion of soil operation is unloaded, power head is up moved, drive rod is in tension spring
Effect is lower to move toward initial position, it is convenient next time unload native operation, and reduce during carrying out unloading soil, in the second tooth
Notch on bar and second gear to it is corresponding when under the action of tension spring, drive rod slides under gravity so that the second tooth
Bar is too fast to be engaged with second gear, and the situation that trip rod downslide stops too early, ensures that trip rod can normally hit punching.
Preferably, the radius of the first gear is more than the radius of second gear.
By using above-mentioned technical proposal so that when driving drive rod down to slide, sliding distance is more than on trip rod
The distance that drive rod glides, increases the height of trip rod downslide, improves impact effects of the trip rod to punching, improve and unload
The efficiency of soil.
Preferably, the quantity of the trip rod is more than 1, and the abutment annular of itself and punching is uniformly distributed on punching.
By using above-mentioned technical proposal, multiple trip rods are contacted with punching, improve trip rod and punching is hit
Dynamics is hit, and causes punching to be subject to the impact force from trip rod to be more evenly distributed, improves impact effects of the trip rod to punching,
Improve the efficiency for unloading soil.
Preferably, being connected with each other between multiple trip rods has connection ring.
By using above-mentioned technical proposal, connection ring is connected with each other multiple trip rods so that multiple trip rods are synchronously transported
It is dynamic so that trip rod can improve impact effects of the trip rod to punching when gliding in similar time inner impact punching.
Preferably, being connected with each other between the top of multiple drive rods has to ring, the bottom and bit body to ring
Bottom contact.
By using above-mentioned technical proposal, the contact area between drive rod and power head, and power are increased to ring
The pressure equalization of head causes multiple drive rods to be synchronized with the movement on each drive rod, improving structural stability so that trip rod
Impact effects of the trip rod to punching can be improved when gliding in similar time inner impact punching.
Preferably, the bit body is provided with isolation channel at connecting rod, and the connecting rod is located in isolation channel.
By using above-mentioned technical proposal, in perforate, isolation channel separates connecting rod and soil, reduces by bit body
When putting on ground and unload soil operation, soil blocks connecting rod so that connecting rod is difficult to situation about rotating so that connecting rod can smoothly with card
It is hooked into capable separation.
In conclusion the utility model has the advantages that：When soil is filled in bit body, bit body is mentioned
Ground, power head is moved toward close to the direction of bit body, and during this, power head can prop up the skewback on connecting rod top, and
The top of skewback and connecting rod is promoted toward outside, at the same time, connecting rod is backwards to the bottom of the one side of skewback toward the side away from grab
To movement so that connecting rod is separated with grab, and drill bit bottom cover is down overturn under gravity, to carry out unloading soil, then power
Head is propped up to ring, is moved drive rod to annulus and is down moved, so that the second rack be moved down, at this moment the second rack and the second tooth
Wheel engagement, second gear rotated by the second rack drives, and first gear rotates in same direction with second gear, and the first rack of drive with
Trip rod up moves, the notch on the second rack and second gear to it is corresponding when second gear depart from the second rack, at this moment
Trip rod down slides and hits punching under gravity, and punching promotes the mud in bit body during down moving
Soil, hereafter drive rod power head continue down slide, the second rack engage with second gear again, and repeatedly above procedure,
Slide up and down so that trip rod is repeatedly past and hit punching so that the distance that punching glides, will be glutinous closer to the bottom of bit body
Soil in bit body sweeps away ground, reduces and passes through itself rotary squeezing because entering the soil in bit body, in bit body
Compress, cause to unload the situation of native difficulty, accelerate construction efficiency, after the completion of soil operation is unloaded, power head is up moved, drive rod
Moved under the action of tension spring toward initial position, facilitate native operation of unloading next time, and when driving drive rod down to slide,
Sliding distance is more than the distance that drive rod glides on trip rod, increases the height of trip rod downslide, improves trip rod and liquidate
The impact effects of plate, improve the efficiency for unloading soil.
Brief description of the drawings
Fig. 1 is the structure diagram of the present embodiment；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is unilateral bearing and first gear and the relation schematic diagram of second gear in the present embodiment；
Fig. 4 is the relation schematic diagram of punching and bit body in the present embodiment；
Fig. 5 is the relation schematic diagram of connecting rod and grab in the present embodiment.
Reference numeral：1st, rotary drilling rig body；2nd, drilling rod；3rd, power head；4th, bit body；5th, drill bit bottom cover；6th, tooth is bored；7、
Punching；8th, trip rod；9th, the first rack；10th, drive rod；11st, the second rack；12nd, notch；13rd, connecting rod；14th, grab；15th, tiltedly
Block；16th, air hole；17th, first gear；18th, second gear；19th, unilateral bearing；20th, tension spring；21st, connection ring；22nd, to ring；
23rd, isolation channel；24th, the first mounting base；25th, the second mounting base；26th, sliding slot；27th, supports block；28th, torsional spring.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Pattern foundation pit supporting structure bored pile construction equipment, as depicted in figs. 1 and 2, including Spiral digging machine body, rotary drilling rig body
Drilling rod 2 is provided with 1, is slid on rotary drilling rig body 1 and is connected with power head 3, drilling rod 2 is plugged in power head 3, the bottom of drilling rod 2
Portion is provided with bit body 4, and the bottom of bit body 4 is hinged with drill bit bottom cover 5, is provided with below bottom cover and bores tooth 6, bit body 4 is set
In the bottom of drilling rod 2, the operation of the raising and lowering of bit body 4 can be realized by drilling rod 2, it is convenient that bit body 4 is put in into drilling
Carrying out perforate or exit bit body 4 from drilling unload soil, power head 3 provides moment of torsion for drilling rod 2, rotates drilling rod 2,
So that bit body 4 and drill bit bottom cover 5 rotate, the soil of bottom hole is screwed in bit body 4 with bench drill tooth 6.
With reference to Fig. 2 and Fig. 3, punching 7 is vertically slidably connected in bit body 4, the top of bit body 4 is along vertical side
To slidably connecting trip rod 8, and the bottom of trip rod 8 and the top of punching 7 contact, and the quantity of trip rod 8 is 4,
And the abutment annular of itself and punching 7 is uniformly distributed on punching 7, and 4 are up fixedly installed in the side on the top of punching 7
The equally distributed supports block 27 of annular, and the top of supports block 27 and the top of bit body 4 contact, supports block 27 is so that punching 7
When extreme higher position in bit body 4, there are a distance between the top of punching 7 and bit body 4 so that trip rod 8 can be inserted
Into 4 a distance of bit body, trip rod 8 is unlikely to skid off the top of bit body 4 when up moving.
Trip rod 8 is fixedly installed the first rack 9 close to the side of drilling rod 2, and the engagement of the first rack 9 is combined with first gear
17, and first gear 17 is rotationally connected with first mounting base 24 on the top for being fixed on bit body 4, and first gear 17 is coaxially solid
Surely the outer shroud of unilateral bearing 19 is connected with, the inner ring of unilateral bearing 19 has been fixedly and coaxially connected second gear 18, and the second tooth
Wheel 18 is rotationally connected with second mounting base 25 on the top for being fixed on bit body 4, and the engagement of second gear 18 is combined with the second rack
11, the second rack 11 is fixedly connected with drive rod 10, and bit body 4 is vertically provided with sliding slot 26 at drive rod 10, and
And sliding slot 26 runs through the top of bit body 4, the second rack 11 is provided with multiple notches 12 along its length, and notch 12 with
18 contactless part of second gear.
With reference to Fig. 2 and Fig. 4, between the top of 4 drive rods 10 be connected with each other have to ring 22, and to ring 22 bottom with
The bottom of bit body 4 contacts, and the contact area between drive rod 10 and power head 3, and power head 3 are increased to ring 22
Pressure equalization on each drive rod 10, improving structural stability, and multiple drive rods 10 are synchronized with the movement.
Being connected with each other between 4 trip rods 8 has connection ring 21, and connection ring 21 and 3 contactless part of power head, connection
Ring 21 is connected with each other multiple trip rods 8 so that multiple trip rods 8 are synchronized with the movement so that trip rod 8 can be close when gliding
Time inner impact punching 7, improve trip rod 8 to the impact effects of punching 7.
When power head 3 down moves and props up to ring 22, drive rod 10 drives the second rack 11 down to slide, and at this moment the
Two racks 11 are engaged with second gear 18, and second gear 18 drives rotation by the second rack 11, and at this time at unilateral bearing 19
In locking state, first gear 17 rotates in same direction with second gear 18, and drives the first rack 9 and trip rod 8 up to move,
Notch 12 on second rack 11 and second gear 18 to it is corresponding when second gear 18 depart from the second rack 11, at this moment trip rod 8
Down slide under gravity and hit punching 7, hereafter drive rod 10 continues down to slide in power head 3, the second rack
11 engage with second gear 18 again, and repeat above procedure, and the soil sticked in bit body 4 is swept away ground.
After the completion of soil operation is unloaded, after power head 3 up moves, drive rod 10 is up moved, and is driven and the second tooth
Second of wheel that the engagement of bar 11 coordinates rotates, and unilateral bearing 19 is in and state, 18 and first tooth of second gear is freely rotated at this time
Wheel 17 is independent of each other, and after drive rod 10 is set back, when drive rod 10 has the trend down moved, unilateral bearing 19 is in
Locking state, the position of drive rod 10 will be kept, during perforate is carried out, into the soil in bit body 4 by punching 7
Up extrude, drive trip rod 8 up to slide, and drive the first rack 9 engaged with the first rack 9 to rotate, at this time one-way shaft
19 are held in state is freely rotated, trip rod 8 is smoothly up slided by punching 7.
With reference to Fig. 2-4, the radius of first gear 17 is more than the radius of second gear 18 so that in driving drive rod 10 down
During slip, sliding distance is more than the distance that drive rod 10 glides on trip rod 8, increases the height of the downslide of trip rod 8, improves
Impact effects of the trip rod 8 to punching 7.
Tension spring 20 is provided between drive rod 10 and bit body 4, tension spring 20 has drive rod 10 in extended state
The trend up moved, after the completion of soil operation is unloaded, power head 3 is up moved, drive rod 10 is past under the action of tension spring 20
Initial position moves, and facilitates native operation of unloading next time, and reduces during carrying out unloading soil, on the second rack 11
Notch 12 and second gear 18 to it is corresponding when under the action of tension spring 20, drive rod 10 slides under gravity so that second
Rack 11 is too fast to be engaged with second gear 18, and trip rod 8 glides situation about stopping too early, ensures that trip rod 8 can normally hit punching
Plate 7.
The top of bit body 4 is provided with space and extraneous air hole 16 between multiple connection punchings 7 and bit body 4,
Air hole 16 causes the air pressure in the space between punching 7 and bit body 4 to be consistent with the external world, reduces because of punching 7 and bit body 4
Between the air pressure in space be more than extraneous and down slide the situation for causing obstruction to trip rod 8.
With reference to Fig. 4 and Fig. 5, bit body 4 is rotatably connected to connecting rod 13 on the top away from itself and 5 hinged place of drill bit bottom cover,
The top of connecting rod 13 is towards the direction of power head 3 integrally formed with the skewback 15 contacted with power head 3, and connecting rod 13 is backwards to tiltedly
The bottom of the one side of block 15, which is engaged by clamping, grab 14, and grab 14 is fixedly connected on the one end of drill bit bottom cover 5 away from its hinge joint,
Power head 3 is moved toward close to the direction of bit body 4, during this, power head 3 can prop up the skewback 15 on 13 top of connecting rod,
And promote on the top of skewback 15 and connecting rod 13 toward outside, at the same time, connecting rod 13 is backwards to the bottom of the one side of skewback 15 toward far
Move in direction from grab 14 so that connecting rod 13 is separated with grab 14, and drill bit bottom cover 5 is down overturn under gravity, is made
The bottom for obtaining bit body 4 is in communication with the outside.
Torsional spring 28 is provided between connecting rod 13 and bit body 4, torsional spring 28 makes connecting rod 13 have the past side being clamped with grab 14
To the trend of movement, torsional spring 28 so that connecting rod 13 and the clamping relation of grab 14 are closer, reduce because rock so that connecting rod 13 and
Grab 14 separates so that the situation that drill bit bottom cover 5 is surprisingly overturn.
The top of grab 14 is arranged to inclined-plane close to one end of connecting rod 13, and the drill bit bottom cover 5 after opening is past to seal drill bit
The direction upset of the bottom of body 4, makes connecting rod 13 prop up the inclined-plane of grab 14, and connecting rod 13 is overturn toward the direction away from grab 14,
When drill bit bottom cover 5 covers the bottom of bit body 4, under the action of torsional spring 28, connecting rod 13 is clamped with grab 14, can be by drill bit bottom cover
5 are stuck in the position for sealing 4 low bottom of bit body, it is not necessary to which operating personnel go to drill bit bottom cover 5 on 4 side manual cover of bit body, carry
The high construction safety of construction site.
Bit body 4 is provided with isolation channel 23 at connecting rod 13, and connecting rod 13 is located in isolation channel 23, and isolation channel 23 will be even
Bar 13 is separated with soil, is reduced when bit body 4 being put on ground unload soil operation, soil blocks connecting rod 13 so that connecting rod
13 are difficult to situation about rotating so that connecting rod 13 can be separated smoothly with grab 14.
Specifically used process：When filling soil in bit body 4, bit body 4 is mentioned into ground, by power head 3 toward close
The direction movement of bit body 4, during this, power head 3 can prop up the skewback 15 on 13 top of connecting rod, and by skewback 15 and connecting rod
13 top is promoted toward outside, and at the same time, connecting rod 13 is transported backwards to the bottom of the one side of skewback 15 toward the direction away from grab 14
It is dynamic so that connecting rod 13 is separated with grab 14, and drill bit bottom cover 5 is down overturn under gravity, to carry out unloading soil.
And power head 3 is propped up to ring 22, drive drive rod 10 down to move to ring 22, so that by the second rack 11 down
Mobile, at this moment the second rack 11 is engaged with second gear 18, and second gear 18 drives rotation, first gear 17 by the second rack 11
Rotate in same direction with second gear 18, and drive the first rack 9 and trip rod 8 up to move, the notch 12 on the second rack 11
With second gear 18 to it is corresponding when second gear 18 depart from the second rack 11, at this moment trip rod 8 slides down under gravity
Move and hit punching 7, punching 7 promotes the soil in bit body 4 during down moving.
Hereafter drive rod 10 continues down to slide in power head 3, and the second rack 11 is engaged with second gear 18 again, repeats
Above procedure so that trip rod more than 8 times is toward sliding up and down and hit punching 7 so that the distance that punching 7 glides is closer to bit body
4 bottom, ground is swept away by the soil sticked in bit body 4, is reduced and is squeezed because entering the soil in bit body 4 by itself rotation
Pressure, compresses in bit body 4, causes to unload the situation of native difficulty, accelerates construction efficiency.
After the completion of soil operation is unloaded, power head 3 is up moved, drive rod 10 is under the action of tension spring 20 toward initial position
Movement, facilitates native operation of unloading next time, and when driving drive rod 10 down to slide, sliding distance is more than on trip rod 8
The distance that drive rod 10 glides, increases the height of the downslide of trip rod 8, improves impact effects of the trip rod 8 to punching 7, carry
The high efficiency for unloading soil.
Claims (10)
1. pattern foundation pit supporting structure bored pile construction equipment, including rotary drilling rig body (1), set on the rotary drilling rig body (1)
Drilling rod (2) is equipped with, is slid on the rotary drilling rig body (1) and is connected with power head (3), the drilling rod (2) is plugged in power head
(3), the bottom of the drilling rod (2) is provided with bit body (4), and the lower rotation of the bit body (4) is connected with drill bit bottom cover
(5), it is provided with below the bottom cover and bores tooth (6), it is characterized in that：The bit body (4) is provided with matches somebody with somebody with drill bit bottom cover (5) clamping
The clamping mechanism of conjunction, the bit body (4) is interior vertically to slidably connect punching (7), the top edge of the bit body (4)
Vertical direction slidably connects trip rod (8), and the bottom and the top of punching (7) of the trip rod (8) contact, described to hit
Hit on bar (8) and be provided with the first rack (9), gear mechanism, the bit body are fixedly installed at the top of the bit body (4)
(4) top vertically slidably connects drive rod (10), and the second rack (11), institute are provided with the drive rod (10)
State gear mechanism and engage cooperation with the first rack (9) and the second rack (11) at the same time, and the gear mechanism makes trip rod (8)
With drive rod (10) the same time glide direction on the contrary, second rack (11) be provided with along its length it is multiple lack
Mouth (12), the top and the bottom of power head (3) of the drive rod (10) contact.
2. pattern foundation pit supporting structure bored pile construction equipment according to claim 1, it is characterized in that：The clamping mechanism includes
Connecting rod (13) and grab (14), the grab (14) are fixedly connected on drill bit bottom cover (5), and the connecting rod (13) is rotationally connected with brill
Head body (4), the direction of top towards the power head (3) of the connecting rod (13) are provided with the skewback contacted with power head (3)
(15), the connecting rod (13) is engaged by clamping backwards to the bottom of the one side of skewback (15) and grab (14), the top of the connecting rod (13)
End is above drive rod (10).
3. pattern foundation pit supporting structure bored pile construction equipment according to claim 1, it is characterized in that：The bit body (4)
Top is provided with air hole (16).
4. pattern foundation pit supporting structure bored pile construction equipment according to claim 1, it is characterized in that：The gear mechanism includes
First gear (17), second gear (18) and unilateral bearing (19), the first gear (17) and the outer shroud of unilateral bearing (19)
It is fixedly and coaxially connected, the second gear (18) and the inner ring of unilateral bearing (19) are fixedly and coaxially connected, the second gear
(18) it is rotationally connected with the top of bit body (4), the first gear (17) engages cooperation with the first rack (9), and described second
Rack (11) engages cooperation with side of the second gear (18) away from the first rack (9), in second rack (11) and second
When gear (18) is engaged and up moved, the unilateral bearing (19) is free to rotate.
5. pattern foundation pit supporting structure bored pile construction equipment according to claim 4, it is characterized in that：In the drive rod (10)
It is provided with tension spring (20) between bit body (4), the tension spring (20) has drive rod (10) in extended state up to transport
Dynamic trend.
6. pattern foundation pit supporting structure bored pile construction equipment according to claim 4, it is characterized in that：The first gear (17)
Radius be more than second gear (18) radius.
7. pattern foundation pit supporting structure bored pile construction equipment according to claim 1, it is characterized in that：The trip rod (8)
Quantity is more than 1, and the abutment annular of itself and punching (7) is uniformly distributed on punching (7).
8. pattern foundation pit supporting structure bored pile construction equipment according to claim 7, it is characterized in that：Multiple trip rods
(8) being connected with each other between has connection ring (21).
9. pattern foundation pit supporting structure bored pile construction equipment according to claim 7, it is characterized in that：Multiple drive rods
(10) it is connected with each other to have between top and is contacted to ring (22), the bottom and the bottom of bit body (4) to ring (22).
10. pattern foundation pit supporting structure bored pile construction equipment according to claim 2, it is characterized in that：The bit body (4) exists
Connecting rod (13) place is provided with isolation channel (23), and the connecting rod (13) is located in isolation channel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798913.1U CN207229010U (en) | 2017-07-04 | 2017-07-04 | Pattern foundation pit supporting structure bored pile construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798913.1U CN207229010U (en) | 2017-07-04 | 2017-07-04 | Pattern foundation pit supporting structure bored pile construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229010U true CN207229010U (en) | 2018-04-13 |
Family
ID=61853373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720798913.1U Expired - Fee Related CN207229010U (en) | 2017-07-04 | 2017-07-04 | Pattern foundation pit supporting structure bored pile construction equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031660A (en) * | 2020-03-05 | 2020-12-04 | 浙江大学城市学院 | Drilling equipment that civil engineering pile foundation used |
| CN112170329A (en) * | 2020-08-29 | 2021-01-05 | 深圳鹏城岩土科技有限公司 | Foundation pit support bored pile construction equipment and method thereof |
| CN112503994A (en) * | 2020-12-02 | 2021-03-16 | 广东电网有限责任公司 | Waste heat utilization economizer and distribution equipment |
| CN113982478A (en) * | 2021-09-30 | 2022-01-28 | 中铁十六局集团第五工程有限公司 | Rotary drilling rig applied to soft soil construction |
| CN114046135A (en) * | 2022-01-14 | 2022-02-15 | 山东汉德自动化控制设备有限公司 | Double-stand-root modular fast-assembling and fast-moving drilling machine |
| CN114320154A (en) * | 2021-12-30 | 2022-04-12 | 黄淮学院 | Energy-saving highway bridge pile foundation water bores pore-forming device |
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2017
- 2017-07-04 CN CN201720798913.1U patent/CN207229010U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031660A (en) * | 2020-03-05 | 2020-12-04 | 浙江大学城市学院 | Drilling equipment that civil engineering pile foundation used |
| CN112170329A (en) * | 2020-08-29 | 2021-01-05 | 深圳鹏城岩土科技有限公司 | Foundation pit support bored pile construction equipment and method thereof |
| CN112503994A (en) * | 2020-12-02 | 2021-03-16 | 广东电网有限责任公司 | Waste heat utilization economizer and distribution equipment |
| CN113982478A (en) * | 2021-09-30 | 2022-01-28 | 中铁十六局集团第五工程有限公司 | Rotary drilling rig applied to soft soil construction |
| CN114320154A (en) * | 2021-12-30 | 2022-04-12 | 黄淮学院 | Energy-saving highway bridge pile foundation water bores pore-forming device |
| CN114046135A (en) * | 2022-01-14 | 2022-02-15 | 山东汉德自动化控制设备有限公司 | Double-stand-root modular fast-assembling and fast-moving drilling machine |
| CN114046135B (en) * | 2022-01-14 | 2022-03-11 | 山东汉德自动化控制设备有限公司 | Double-stand-root modular fast-assembling and fast-moving drilling machine |
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Granted publication date: 20180413 Termination date: 20200704 |