CN106968603A - A kind of broaching equipment being exclusively used on construction site - Google Patents
A kind of broaching equipment being exclusively used on construction site Download PDFInfo
- Publication number
- CN106968603A CN106968603A CN201710201279.3A CN201710201279A CN106968603A CN 106968603 A CN106968603 A CN 106968603A CN 201710201279 A CN201710201279 A CN 201710201279A CN 106968603 A CN106968603 A CN 106968603A
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- Prior art keywords
- support column
- connecting seat
- scraping
- scraping mechanism
- plate
- Prior art date
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000007790 scraping Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of broaching equipment being exclusively used on construction site, including connecting seat, support column is provided with below the connecting seat, and support column is fixed with connecting seat, several scraping mechanisms are provided with below connecting seat, scraping mechanism is in middle part bending, its underpart is parallel with support column, top is tilted and connecting seat connection towards support column, scraping mechanism can be rotated around the junction of itself and connecting seat, support column is arranged on the center line in the region of scraping mechanism formation, scraping mechanism is connected with support column and scraping mechanism can be rotated around the junction of itself and support column.The longitudinal depth of hole reducing that the equipment is expanded is high, bottom area formation stability increase, reduces the reducing scope at bottom hole portion and stake holes original diameter so that increase is withstood forces after grouting, the stability that top can be kept to build improves security.
Description
Technical field
Broaching equipment is built the present invention relates to one kind, and in particular to a kind of broaching equipment being exclusively used on construction site.
Background technology
Because if above ground structure will be built on the ground, ground will bear very big pressure, it is necessary that ground has
Enough renitent intensity, this is difficult often to accomplish, so the ground for bearing building must just be reinforced or
Person improves ground and bears mode, so just expecting driving piles on ground, allows most of weight of building to pass to ground by stake
Position very deep below face, because the ground of this position is more much bigger than ground ability to bear.It is required for before being driven piles
Ground facings ground end and drilled, and the obtained hole that drills at present is all vertical holes, i.e., the diameter in hole is all consistent, this hole
Its stress is poor after concrete perfusion pile, and the stability for causing top to be built is not enough, it is therefore desirable to which device to hole carries out reaming.
Kong Douwei splayed configurations that current reaming machinery is expanded in bottom hole to hole wall, although this hole increases stake holes
Floor space, plays certain supporting role, but is due to that the depth that building drills is deeper, and it is not very square for bottom reaming
Just, longitudinal depth of reducing is low during its reaming, and the hole of splayed configuration is weak at bottom and stake holes original diameter, its stress after grouting
It is unstable, phenomenon of rupture still occurs.
The content of the invention
The technical problems to be solved by the invention are the holes expanded when existing broaching equipment carries out reaming for stake holes bottom
Longitudinal depth is low, and stress does not reach requirement after grouting, is unsatisfactory for using, and its object is to provide one kind to be exclusively used in construction site
On broaching equipment, the longitudinal depth of hole reducing that the equipment is expanded is high, and increase is withstood forces after grouting, can keep what top was built
Stability, improves security.
The present invention is achieved through the following technical solutions：
Support column is provided with below a kind of broaching equipment being exclusively used on construction site, including connecting seat, the connecting seat,
And support column is fixed with connecting seat, several scraping mechanisms are provided with below connecting seat, scraping mechanism is in middle part bending, under it
Portion is parallel with support column, and top is tilted and connecting seat connection towards support column, and scraping mechanism can be around its company with connecting seat
Connect place rotate, support column be arranged on scraping mechanism formation region center line on, scraping mechanism be connected with support column and
Scraping mechanism can be rotated around the junction of itself and support column.Stake holes is typically all to be formed by bit bore, stake holes now
Diameter is identical up and down, for top small volume or the building of lighter in weight, and this isodiametric stake holes is in slip casting
It is also this structure that bearing capacity, which disclosure satisfy that in requirement, general capital construction, afterwards, and its operation is also more convenient, but for upper
Cube is accumulated for larger or heavier-weight building, and each stake holes stress is larger, if still using isodiametric structure,
Bearing capacity can exceed setting power, and its bottom will occur rupture or other problems, and only be solved by increasing stake holes diameter,
And this can itself, all cause cost to increase for drilling cost and rig, especially rig specification itself is all
It is fixed, it is impossible to unrestrictedly increase bore size, it is therefore desirable to reaming is carried out to stake holes, the broaching equipment used at present is one
The reaming machinery for splayed configuration after expansion is planted, its hole expanded after rotating expands to form a vertical cross section in former stake holes bottom
For the hole of splayed configuration, as shown in figure 1, this hole can play a certain degree of reducing, but what the hole of this shape was formed
Longitudinal depth of reducing is low, i.e., changing always from bottom to former stake holes diameter, and the hole of splayed configuration is former straight in bottom and stake holes
Weak at footpath, the thickness of thin of reducing after grouting, bearing capacity is weak, or stress is unstable, after a period of time, still can go out
Existing risk of breakage, will cause top building inclination, crack occur or topple over.The broaching equipment of this programme design, then pass through
Change the planform formed after reaming, the longitudinal depth of increase hole reducing forms a stabilization and larger-diameter in bottom
Part, then forms changeover portion diameter and is varied down to stake holes original diameter, the pile bearing capacity so formed after grouting is greatly enhanced,
It can keep the stability that top is built, and improve security.
Scraping mechanism is divided into hang plate and vertical plate, and hang plate and vertical plate are connected as overall structure, and also it is perpendicular
Straight panel is parallel with support column, the hole for being relatively large in diameter and keeping stable diameter is formed after scraping, so being arranged on scraping on vertical plate
The line cut between tooth is parallel with vertical plate, i.e., the track of scraping tooth scraping when rotated is horizontal circumference, and is arranged on perpendicular
It is identical that scraping tooth in straight panel scrapes the bore dia cut out.The one end of hang plate away from vertical plate connects towards support column and with connecting seat
Connect, hang plate can be rotated around the junction of itself and connecting seat, and the junction between hang plate and vertical plate and support column
Connect and can be rotated around the junction of itself and support column, it is gradual change diameter that the scraping tooth on hang plate, which scrapes the hole cut out, i.e.,
The line being arranged in scraping tooth between the scraping tooth on hang plate is parallel with hang plate, and it is vertical that its bore dia formed is located at
Scraped on plate between the hole that cuts out and former stake holes diameter, form balanced transition, and will between hang plate and vertical plate in 135 ° extremely
150 ° of angle, stability under loading during scraping, can bear the impact of hole wall during scraping in the range of this, while in this angle model
In enclosing, scraping tooth wedging is more laborsaving when hang plate is strutted, and the impact being subject to is smaller, typically in order to which easily manufactured and shaping is accurate
Really, angle is using the specification of 5 ° of progressive changes, i.e., 135 °, 140 °, 145 ° and 150 °.
Also it is provided with two pieces of installing plates arranged in parallel below connecting seat, the top of installing plate is and connecting seat
Bottom vertically fix, region of the support column through installing plate and simultaneously be fixed as overall structure with two pieces of installing plates, incline
Between one end insertion installing plate of the swash plate away from vertical plate, connecting pin is provided with installing plate, connecting pin is through installing plate and inclines
Swash plate, and hang plate can rotate around connecting pin.Installing plate is easy for the position of scraping mechanism installation so that scraping mechanism has
Enough spaces are deformed, while can form the connection with connecting seat again so that overall structure keeps stable, withstands shocks
Power.
It is recessed at the top of support column in cavity, cavity and is provided with connecting rod, and the top of connecting rod passes through connecting seat,
Connecting rod can be moved along the axis direction of support column in the cavities；Groove, groove are provided with the side wall of support column
It is symmetricly set on the side wall of support column and is connected with cavity, bearing pin two is provided with groove, bearing pin two passes through connecting rod and energy
It is enough to be moved in groove along the axis direction of support column；Linking arm is provided between scraping mechanism and support column, is connected
It is provided with bearing pin one on arm, bearing pin one is also cross the junction between linking arm and hang plate and vertical plate, and linking arm
It can be rotated around bearing pin one, the other end of linking arm is connected with bearing pin two, and linking arm can be rotated around bearing pin two；And scrape
The quantity for cutting mechanism is preferably two groups, and the linking arm of every group of scraping mechanism connection is two pieces, and scraping mechanism and support column are set
Put between connected two pieces of linking arms, bearing pin one is passed through and is connected simultaneously with two pieces of linking arms after scraping mechanism, is connected
Arm is connected with same bearing pin two.When carrying out scraping, scraping mechanism be able to will be strutted, because former stake holes diameter is limited, its
Scraping process is one progressive, can be only achieved final scraping requirement, and broaching equipment is drawn in and is put into former stake holes, now scraping mechanism
Belong to closure state, after bottom is reached, i.e., after contacting and stablize with former stake holes bottom, connecting rod is acted on down by actuating unit
It is gradually reduced, scraping mechanism is started to spread out, i.e., connecting rod drives bearing pin two to be moved down in groove, linking arm is around bearing pin two and pin
Axle one is rotated, and scraping mechanism is rotated around connecting pin so that linking arm gradually level, after linking arm level, now bearing pin two
Extreme lower position is moved down into groove and is remained stationary as, linking arm can not also be rotated around bearing pin, scraping mechanism also can not be around
Connecting pin is rotated, and scraping mechanism is deployed into maximum gauge, and equipment is rotated around its axis all the time during expansion, i.e., gradually
Reaming, the hole expanded after net shape is stable as shown in figure 3, this hole part higher and diametrically stable because bottom has,
The pile stress formed after grouting is greatly enhanced.
Base is provided with below connecting pole, the top of base is vertical with the bottom of connecting pole to be fixed, and the end of base
Face size is more than the face size of connecting pole.Base is to be used to push against to arrive behind bottom hole portion, increases contact area so that endurance increases
Greatly, so it is pushed against behind bottom hole portion and struts scraping mechanism in the case where hydraulic pressure or other actuating units drive, keeps its maximum to strut
The stabilization of state, will not be moved during scraping, final scraping stability-of-path, and hole forming is stable.
The present invention compared with prior art, has the following advantages and advantages：The hole reducing longitudinal direction that the equipment is expanded
Depth is high, bottom area formation stability increase, reduces the reducing scope at bottom hole portion and stake holes original diameter so that after grouting
Endurance increase, the stability that top can be kept to build improves security.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the pore structure that existing broaching equipment expands；
Fig. 2 is schematic structural view of the invention；
The pore structure that Fig. 3 expands for the present invention.
Mark and corresponding parts title in accompanying drawing：
1- connecting holes, 2- connecting pins, 3- installing plates, 4- grooves, 5- linking arms, 6- bearing pins one, 7- bearing pins two, 8- supports
Post, 9- bases, 10- vertical plates, the horizontal scraping teeth of 11-, the oblique scraping teeth of 12-, 13- hang plates, 14- floors, 15- connecting seats, 16-
Connecting rod.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1：
As shown in Figure 1 to Figure 3, in a kind of broaching equipment being exclusively used on construction site, including connecting seat 15, connecting seat 15
Connecting hole 1 is provided with, connecting hole 1 is screwed hole, and it is used to connecting seat 15 being connected with miscellaneous equipment, and connecting hole 1 is not through hole,
Fixation with connecting seat 15 can be formed on so top of support column 8, the lower section of connecting seat 15 is provided with two pieces be parallel to each other and set
The installing plate 3 put, the top of installing plate 3 is vertical with the bottom of connecting seat 15 to be fixed, and support column 8 is through installing plate 3
Region is simultaneously fixed as overall structure with two pieces of installing plates 3 simultaneously, and scraping mechanism includes being connected as the integrally-built He of hang plate 13
Vertical plate 10, vertical plate 10 is parallel with support column 8, is in 135 ° to 150 ° of angle wherein between hang plate 13 and vertical plate 10,
The specific angle of angle is determined according to specification, it is generally preferable to be 135 °, 140 °, 145 ° and 150 °.Hang plate is arranged in scraping tooth
The line between scraping tooth on 13 is parallel with hang plate 13, be arranged on line between the scraping tooth on vertical plate 10 with it is vertical
Plate 10 is parallel.For convenience of describing, the scraping tooth being arranged on hang plate 13 is named as between oblique scraping tooth 12, oblique scraping tooth 12
Distance it is equal and form equal diameter change, the scraping tooth being arranged on vertical plate 10 is named as horizontal scraping tooth 11, level
The bore dia that distance is equal between scraping tooth 11 and scraping is formed is identical, is edge by all horizontal arrangements of scraping tooth 11
The hole inwall of dampening busbar arrangement, so its scraping formation forms smooth, and wedging position is stretched into, and can be withstood shocks.And this
There is the step diameter of enough depth in the hole that kind broaching equipment is expanded, and reinforcing bar is being installed in especially bottom as main load-bearing force
Behind hole and cast concrete, horizontal scraping tooth 11, which scrapes the isometrical bottom cut out, has enough height, and bearing capacity is big, meets design
It is required that, meet the support of building larger to top volume or heavier-weight, it is ensured that the quality of building.
Between one end insertion installing plate 3 of the hang plate 13 away from vertical plate 10, connecting pin 2 is provided with installing plate 3, is connected
Pin 2 passes through installing plate 3 and hang plate 13, and hang plate 13 can be rotated around connecting pin 2.In order that structure it is compacter and
Firm, the distance between installing plate 3 should not be too big, i.e. the maximum external diameter no more than support column 8 of the distance between installing plate 3,
Floor 14 is also installed on installing plate 3 simultaneously, the termination of floor 14 and the bottom of connecting seat 15 are fixed, increases the firm of structure
Property.
Embodiment 2：
As shown in Figure 1 to Figure 3, on the basis of above-described embodiment, the top of support column 8 is recessed cavity, connecting hole 1
Bottom surface is recessed through hole, and through hole is connected with cavity, and connecting rod 16 is provided with the cavities, and the top of connecting rod 16 is passed through
The connecting hole 1 of through hole and connecting seat 15, connecting rod 16 can be entered in cavity and connecting hole 1 along the axis direction of support column 8
Row movement.In order to keep mobile smooth, preferably by the axis of the support column, axis of connecting rod 16, the axis of connecting hole 1, logical
The axis in hole and the axis designs of cavity are coincidence.
Two grooves 4 are provided with the side wall of support column 8, groove 4 is symmetricly set on the side wall of support column 8 and and cavity
Connection, is provided with bearing pin 27 in groove 4, bearing pin 27 through connecting rod 16 and can in groove 4 along support column 8 axis
Direction is moved.Groove 4 is located at the lower section of connecting pin 2, and groove 4 is bar-shaped trough, and its width is slightly larger than the external diameter of bearing pin 27, both
Moving up and down for bearing pin 27 is disclosure satisfy that, and bearing pin 27 is carried out spacing.
Embodiment 3：
As shown in Figure 1 to Figure 3, on the basis of above-described embodiment, linking arm is provided between scraping mechanism and support column 8
5, the quantity of scraping mechanism is two groups, and the linking arm 5 of every group of scraping mechanism connection is two pieces, and scraping mechanism and support column 8
It is arranged between connected two pieces of linking arms 5, the bearing pin on bearing pin 1, same group of scraping mechanism is provided with linking arm 5
One 6 also cross the junction between two pieces of linking arms 5 and hang plate 13 and vertical plate 10, and linking arm 5 can be around pin
Axle 1 is rotated, and the other end of linking arm 5 is connected with same bearing pin 27, and linking arm 5 can be rotated around bearing pin 27.
Scraping mechanism can be driven to carry out the contraction and expansion of the rotation, i.e. scraping mechanism of respective direction when connecting rod 16 is moved, its
Maximum deployed condition is that all linking arms 5 are parallel to each other, and now bearing pin 27 is moved to the lowest part of groove 4 and can not moved down,
Minimum of contraction state is that bearing pin 27 is moved to the highest point of groove 4 and can not moved up, and scraping mechanism is integrally located at connection
In the range of the end face of seat 15, when broaching equipment is moved up and down, scraping mechanism will not the outer wall of former stake holes carry out scraping.
The lower section of support column 8 is provided with base 9, and the top of base 9 is vertical with the bottom of support column 8 to be fixed, and base 9
Face size be more than support column 8 face size.Base 9 is the part for being supported when carrying out reaming, therefore its end
Face size is larger so that keep stable on broaching equipment axial direction.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (10)
1. a kind of broaching equipment being exclusively used on construction site, it is characterised in that including connecting seat (15), the connecting seat (15)
Lower section is provided with support column (8), and support column (8) is fixed with connecting seat (15), and several are provided with below connecting seat (15)
Scraping mechanism, scraping mechanism is in middle part bending, and its underpart is parallel with support column (8), and top tilts and connected towards support column (8)
Seat (15) connection, scraping mechanism can be rotated around the junction of itself and connecting seat (15), and support column (8) is arranged on scraping mechanism
On the center line in the region of formation, scraping mechanism is connected with support column (8) and scraping mechanism can be around itself and support column (8)
Junction rotate.
2. a kind of broaching equipment being exclusively used on construction site according to claim 1, it is characterised in that the drag scraper
Structure includes being connected as integrally-built hang plate (13) and vertical plate (10), and vertical plate (10) is parallel with support column (8), hang plate
(13) one end away from vertical plate (10) is connected towards support column (8) and with connecting seat (15), and hang plate (13) can be around it
Rotated with the junction of connecting seat (15), and the junction between hang plate (13) and vertical plate (10) is connected with support column (8)
And it can be rotated around the junction of itself and support column (8), one end of hang plate (13) and the remote support column (8) of vertical plate (10)
It is mounted on several scraping teeth.
3. a kind of broaching equipment being exclusively used on construction site according to claim 2, it is characterised in that the hang plate
(13) it is in 135 ° to 150 ° of angle between vertical plate (10).
4. a kind of broaching equipment being exclusively used on construction site according to claim 2, it is characterised in that the scraping tooth
In the line that is arranged between the scraping tooth on hang plate (13) it is parallel with hang plate (13), be arranged on scraping on vertical plate (10)
The line cut between tooth is parallel with vertical plate (10).
5. a kind of broaching equipment being exclusively used on construction site according to claim 2, it is characterised in that the connecting seat
(15) two pieces of installing plates arranged in parallel (3) are provided with below, the bottom of the top of installing plate (3) with connecting seat (15)
End is vertical fixed, and region of the support column (8) through installing plate (3) is simultaneously fixed as overall knot with two pieces of installing plates (3) simultaneously
Between structure, one end insertion installing plate (3) of the hang plate (13) away from vertical plate (10), installing plate is provided with connecting pin on (3)
(2), connecting pin (2) passes through installing plate (3) and hang plate (13), and hang plate (13) can be rotated around connecting pin (2).
6. a kind of broaching equipment being exclusively used on construction site according to claim 2, it is characterised in that the support column
(8) it is recessed at the top of in cavity, cavity and is provided with connecting rod (16), and the top of connecting rod (16) passes through connecting seat
(15), connecting rod (16) can be moved along the axis direction of support column (8) in the cavities.
7. a kind of broaching equipment being exclusively used on construction site according to claim 6, it is characterised in that the support column
(8) groove (4) is provided with side wall, groove (4) is symmetricly set on the side wall of support column (8) and connected with cavity, groove
(4) bearing pin two (7) is provided with, bearing pin two (7) passes through connecting rod (16) and can be in groove (4) along support column (8)
Axis direction is moved.
8. a kind of broaching equipment being exclusively used on construction site according to claim 7, it is characterised in that the drag scraper
Be provided between structure and support column (8) on linking arm (5), linking arm (5) and be provided with bearing pin one (6), bearing pin one (6) also cross
Junction between linking arm (5) and hang plate (13) and vertical plate (10), and linking arm (5) can be around bearing pin one (6)
Rotate, the other end of linking arm (5) is connected with bearing pin two (7), and linking arm (5) can be rotated around bearing pin two (7).
9. a kind of broaching equipment being exclusively used on construction site according to claim 8, it is characterised in that the drag scraper
The quantity of structure is two groups, and the linking arm (5) of every group of scraping mechanism connection is two pieces, and scraping mechanism and support column (8) are set
Between connected two pieces of linking arms (5), bearing pin one (6) is passed through to be connected with two pieces of linking arms (5) simultaneously after scraping mechanism
Connect, linking arm (5) is connected with same bearing pin two (7).
10. a kind of broaching equipment being exclusively used on construction site as claimed in any of claims 1 to 9, its feature
It is, base (9) is provided with below the support column (8), and the top of base (9) is vertical with the bottom of support column (8) to be fixed,
And the face size of base (9) is more than the face size of support column (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710201279.3A CN106968603B (en) | 2017-03-30 | 2017-03-30 | A kind of broaching equipment being exclusively used on construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710201279.3A CN106968603B (en) | 2017-03-30 | 2017-03-30 | A kind of broaching equipment being exclusively used on construction site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968603A true CN106968603A (en) | 2017-07-21 |
| CN106968603B CN106968603B (en) | 2019-06-18 |
Family
ID=59335675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710201279.3A Active CN106968603B (en) | 2017-03-30 | 2017-03-30 | A kind of broaching equipment being exclusively used on construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968603B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184572A (en) * | 2018-09-19 | 2019-01-11 | 邹城兖矿泰德工贸有限公司 | Bimetal wear resistant reamer |
| CN110622780A (en) * | 2019-10-28 | 2019-12-31 | 王贤易 | Machine is prepared in shaping of fungus mushroom cultivation culture medium fungus bag |
| TWI785483B (en) * | 2021-01-29 | 2022-12-01 | 東明海事工程有限公司 | Reaming bit structure of drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040222025A1 (en) * | 2002-05-28 | 2004-11-11 | Beaton Timothy P. | Fixed blade fixed cutter hole opener |
| CN203515329U (en) * | 2013-09-23 | 2014-04-02 | 四川四海达通工程机械有限公司 | Rock-socketed reamer |
| CN203559784U (en) * | 2013-09-09 | 2014-04-23 | 浙江鼎业基础工程有限公司 | Underreaming drill bit |
| CN203879382U (en) * | 2014-03-26 | 2014-10-15 | 华东建筑设计研究院有限公司 | Mechanical type expanded bore pile drill bit |
| CN204646110U (en) * | 2015-05-12 | 2015-09-16 | 徐州工程学院 | Bottom expanding drill |
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2017
- 2017-03-30 CN CN201710201279.3A patent/CN106968603B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040222025A1 (en) * | 2002-05-28 | 2004-11-11 | Beaton Timothy P. | Fixed blade fixed cutter hole opener |
| CN203559784U (en) * | 2013-09-09 | 2014-04-23 | 浙江鼎业基础工程有限公司 | Underreaming drill bit |
| CN203515329U (en) * | 2013-09-23 | 2014-04-02 | 四川四海达通工程机械有限公司 | Rock-socketed reamer |
| CN203879382U (en) * | 2014-03-26 | 2014-10-15 | 华东建筑设计研究院有限公司 | Mechanical type expanded bore pile drill bit |
| CN204646110U (en) * | 2015-05-12 | 2015-09-16 | 徐州工程学院 | Bottom expanding drill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184572A (en) * | 2018-09-19 | 2019-01-11 | 邹城兖矿泰德工贸有限公司 | Bimetal wear resistant reamer |
| CN110622780A (en) * | 2019-10-28 | 2019-12-31 | 王贤易 | Machine is prepared in shaping of fungus mushroom cultivation culture medium fungus bag |
| TWI785483B (en) * | 2021-01-29 | 2022-12-01 | 東明海事工程有限公司 | Reaming bit structure of drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106968603B (en) | 2019-06-18 |
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