CN106869793A - It is a kind of be easy to fixation build work perforating device under water - Google Patents
It is a kind of be easy to fixation build work perforating device under water Download PDFInfo
- Publication number
- CN106869793A CN106869793A CN201710260765.2A CN201710260765A CN106869793A CN 106869793 A CN106869793 A CN 106869793A CN 201710260765 A CN201710260765 A CN 201710260765A CN 106869793 A CN106869793 A CN 106869793A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- screwed pipe
- threaded rod
- easy
- under water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
- E21B7/136—Underwater drilling from non-buoyant support
Abstract
The invention discloses it is a kind of be easy to fixation build work perforating device under water, including supporting leg, the bottom of the supporting leg is fixedly connected with firm banking, the surface of firm banking has been bolted to connection bearing block, the inside of bearing block is fixedly connected with clutch shaft bearing, the inner ring of clutch shaft bearing is fixedly connected first rotating shaft, and one end of first rotating shaft is fixedly connected with worm screw, and the inside of firm banking offers lifting chamber and chute respectively.This be easy to fixation build work perforating device under water, the effect that telescopic adjustment is carried out to the first screwed pipe is reached, consequently facilitating firm banking be fixed it is firm, the effect for being easy to rotate the first threaded rod is reached, the problem generation that the first threaded rod is voluntarily rotated after adjustment is prevented from simultaneously, the two threaded rod oscilaltion power that can be threadedly coupled the second screwed pipe are more steady, strengthen the drilling effect of drill bit, so as to effectively solve the problems, such as that punch device steadiness is not enough under light water.
Description
Technical field
The present invention relates to construction machine technical field, specially it is a kind of be easy to fixation build work perforating device under water.
Background technology
Architectural engineering, refer to by the construction to all kinds of building constructions and its affiliated facility and the circuit supporting with it, pipeline,
The engineering entity that the installation activity of equipment is formed.Wherein " building construction " refers to top cover, beam column, wall, basis and can
Inner space is formed, people's production, inhabitation, study, the engineering of public activity needs is met.
All it is first to fix base to be punched again currently used for most of outdoor equipment punched under water, but due to base
Highly it is most of be all it is changeless, be difficult to be fixed when uneven ground is run into, and waste time, influence
The normal engineering time, thus need it is a kind of be easy to fixation build work perforating device under water.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides it is a kind of be easy to fixation build work perforating device under water, solve
The not enough problem of punch device steadiness under light water.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：It is a kind of be easy to fixation build work under water
Perforating device, including supporting leg, the bottom of the supporting leg are fixedly connected with firm banking, and the surface of the firm banking passes through
Bolt is fixedly connected with bearing block, and the inside of the bearing block is fixedly connected with clutch shaft bearing, and the inner ring of the clutch shaft bearing is consolidated
Surely first rotating shaft is connected, one end of the first rotating shaft is fixedly connected with worm screw, and the inside of the firm banking offers respectively
Lifting chamber and chute, the inwall in the lifting chamber are connected with chute, and the inside of the firm banking is fixedly connected with second bearing,
The inner ring of the second bearing is fixedly connected with the first threaded rod, and the surface of first threaded rod is fixedly connected with worm gear, institute
Worm gear and worm engaging are stated, the thread surface of first threaded rod is connected with the first screwed pipe, the table of first screwed pipe
Face is slidably connected with the inwall in lifting chamber, is fixedly connected with fixture block at the top of first screwed pipe, the surface of the fixture block with
The inwall of chute is slidably connected.
The top of the supporting leg is fixedly connected with supporting plate, and the inside of the supporting plate is fixedly connected with 3rd bearing,
The inner ring of the 3rd bearing is fixedly connected with the second screwed pipe, and the top of second screwed pipe extends to the top of supporting plate
Portion, the surface of second screwed pipe is fixedly connected with driven taper gear, and the inner thread of second screwed pipe is connected with
Second threaded rod, extends to the top of the second screwed pipe at the top of second threaded rod, the upper surface of the supporting plate is fixed
Mounting seat is connected with, the upper surface of the mounting seat is fixedly connected with motor, and the output shaft of the motor passes through shaft coupling
The second rotating shaft is fixedly connected with, the surface of second rotating shaft is fixedly connected with active taper gear, the active taper gear
Surface engaged with the surface of driven taper gear.
The bottom of second threaded rod extends to the bottom of supporting plate, and the bottom of second threaded rod is fixedly connected with
Locating piece, the surface of second threaded rod slidably connects sliding sleeve, and the inside of the sliding sleeve offers spring cavity, the positioning
The surface of block is slidably connected with the inwall of spring cavity, and the inner bottom wall of the spring cavity is fixedly connected with compression spring, the pressure
The top of spring is slidably connected with the lower surface of locating piece, and the bottom of the sliding sleeve is fixedly connected with drill bit.
Preferably, one end of the first rotating shaft is fixedly connected with rotating bar, and one end of the rotating bar is fixedly connected with
Handle.
Preferably, one end of the handle is fixedly connected with baffle plate, and the surface of the handle is socketed with sleeve pipe.
Preferably, the bottom of first screwed pipe extends to the bottom in lifting chamber, and the bottom of first screwed pipe is consolidated
Surely it is connected with anti-skidding cone.
Preferably, the lower surface of the mounting seat is fixedly connected with support bar, the bottom of the support bar and supporting leg
Surface be fixedly connected.
Preferably, the inner bottom wall of the sliding sleeve is fixedly connected with limited block, surface and the compression spring of the limited block
Surface is slidably connected.
(3) beneficial effect
The invention provides it is a kind of be easy to fixation build work perforating device under water, possess following beneficial effect：
(1) what, this was easy to fixation builds work perforating device under water, by setting the first threaded rod and the first screw thread pipe screw thread company
Connect, reached the effect that telescopic adjustment is carried out to the first screwed pipe, consequently facilitating firm banking be fixed it is firm.
(2), this be easy to fixation build work perforating device under water, by setting worm gear and worm engaging, reached be easy to turn
The effect of dynamic first threaded rod, while being prevented from the problem generation that the first threaded rod is voluntarily rotated after adjustment.
(3), this be easy to fixation build work perforating device under water, by the surface for setting active taper gear and driven taper
The surface engagement of gear, the two threaded rod oscilaltion power that can be threadedly coupled the second screwed pipe are more steady, strengthen drill bit
Drilling effect.
(4), this be easy to fixation build work perforating device under water, by setting the compression spring being fixedly connected in spring cavity,
The problem for carrying out hard contact and damaging with the harder material of experience when drilling occurs in drill bit can be prevented effectively from.
(5), this be easy to fixation build work perforating device under water, by setting anti-skidding cone, can effectively strengthen the first spiral shell
The steadiness of line pipe, by setting fixture block, can effectively reduce the possibility that the first screwed pipe does circumferencial direction rotation, so as to have
What is imitated solves the problems, such as punch device steadiness deficiency under light water.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is firm banking structure sectional view of the present invention；
Fig. 3 is shift sleeve structure sectional view of the present invention；
Fig. 4 is grip structure sectional view of the present invention.
In figure：1 supporting leg, 2 firm bankings, 3 bearing blocks, 4 clutch shaft bearings, 5 first rotating shafts, 6 worm screws, 7 lifting chambers, 8 are slided
Groove, 9 second bearings, 10 first threaded rods, 11 first screwed pipes, 12 fixture blocks, 13 supporting plates, 14 3rd bearings, 15 second screw threads
Pipe, 16 driven taper gears, 17 second threaded rods, 18 mounting seats, 19 motors, 20 second rotating shafts, 21 active taper gears, 22
Locating piece, 23 sliding sleeves, 24 spring cavitys, 25 compression springs, 26 rotating bars, 27 handles, 28 baffle plates, 29 sleeve pipes, 30 anti-skidding cones, 31
Support bar, 32 limited blocks, 33 worm gears, 34 drill bits.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme：It is a kind of be easy to fixation build work perforating device under water, bag
Supporting leg (1) is included, the bottom of supporting leg (1) is fixedly connected with firm banking (2), and the surface of firm banking (2) is solid by bolt
Surely bearing block (3) is connected with, the inside of bearing block (3) is fixedly connected with clutch shaft bearing (4), and the inner ring of clutch shaft bearing (4) is fixed
Connection first rotating shaft (5), one end of first rotating shaft (5) is fixedly connected with rotating bar (26), and one end of rotating bar (26) is fixed and connected
Handle (27) is connected to, one end of handle (27) is fixedly connected with baffle plate (28), and the surface of handle (27) is socketed with sleeve pipe (29), side
Just swing handle (27), one end of first rotating shaft (5) is fixedly connected with worm screw (6), and the inside of firm banking (2) offers respectively
Lifting chamber (7) and chute (8), the inwall of lifting chamber (7) are connected with chute (8), and the inside of firm banking (2) is fixedly connected with the
Two bearings (9), the inner ring of second bearing (9) is fixedly connected with the first threaded rod (10), and the surface of the first threaded rod (10) is fixed
Worm gear (33) is connected with, worm gear (33) is engaged with worm screw (6), is engaged with worm screw (6) by setting worm gear (33), reached and be easy to
The effect of the first threaded rod (10) is rotated, while being prevented from the problem hair that the first threaded rod (10) is voluntarily rotated after adjustment
Raw, the thread surface of the first threaded rod (10) is connected with the first screwed pipe (11), by setting the first threaded rod (10) and first
Screwed pipe (11) is threadedly coupled, and the effect that telescopic adjustment is carried out to the first screwed pipe (11) has been reached, consequently facilitating firm banking
(2) it is fixed firm, the bottom of the first screwed pipe (11) extends to the bottom of lifting chamber (7), the bottom of the first screwed pipe (11)
End is fixedly connected with anti-skidding cone (30), by setting anti-skidding cone (30), can effectively strengthen the steady of the first screwed pipe (11)
Solidity, surface and the inwall of lifting chamber (7) of the first screwed pipe (11) are slidably connected, and the top of the first screwed pipe (11) is fixed and connected
Fixture block (12) is connected to, surface and the inwall of chute (8) of fixture block (12) are slidably connected, by setting fixture block (12), can be effective
Reduce the possibility that the first screwed pipe (11) does circumferencial direction rotation.
The top of supporting leg (1) is fixedly connected with supporting plate (13), and the inside of supporting plate (13) is fixedly connected with the 3rd axle
Hold (14), the inner ring of 3rd bearing (14) is fixedly connected with the second screwed pipe (15), and the top of the second screwed pipe (15) extends to
The top of supporting plate (13), the surface of the second screwed pipe (15) is fixedly connected with driven taper gear (16), the second screwed pipe
(15) inner thread is connected with the second threaded rod (17), and the second screwed pipe (15) is extended at the top of the second threaded rod (17)
Top, the upper surface of supporting plate (13) is fixedly connected with mounting seat (18), and the lower surface of mounting seat (18) is fixedly connected with
Support bar (31), the bottom of support bar (31) is fixedly connected with the surface of supporting leg (1), strengthens the firm of mounting seat (18)
Property, the upper surface of mounting seat (18) is fixedly connected with motor (19), and the output shaft of motor (19) is fixedly connected by shaft coupling
The surface for having the second rotating shaft (20), the second rotating shaft (20) is fixedly connected with active taper gear (21), active taper gear (21)
Surface engaged with the surface of driven taper gear (16), by the surface for setting active taper gear (21) and driven taper tooth
The surface engagement of (16) is taken turns, two threaded rods (17) the oscilaltion power that can be threadedly coupled the second screwed pipe (15) is more flat
Surely, the drilling effect of enhancing drill bit (34).
The bottom of the second threaded rod (17) extends to the bottom of supporting plate (13), and the bottom of the second threaded rod (17) is fixed and connected
Locating piece (22) is connected to, the surface of the second threaded rod (17) slidably connects sliding sleeve (23), and the inner bottom wall of sliding sleeve (23) is fixed and connected
Limited block (32) is connected to, surface and the surface of compression spring (25) of limited block (32) are slidably connected, and prevent compression spring (25)
Damaged by pressure by the excess of stroke, the inside of sliding sleeve (23) offers spring cavity (24), the surface of locating piece (22) and the inwall of spring cavity (24)
It is slidably connected, the inner bottom wall of spring cavity (24) is fixedly connected with compression spring (25), by setting fixed company in spring cavity (24)
The compression spring (25) for connecing, can be prevented effectively from when drilling occurs in drill bit (34) carries out hard contact and damages with the harder material of experience
Bad problem, top and the lower surface of locating piece (22) of compression spring (25) are slidably connected, and the bottom of sliding sleeve (23) is fixed and connected
Drill bit (34) is connected to, so as to effectively solve the problems, such as that punch device steadiness is not enough under light water.
In sum, this be easy to fixation build work perforating device under water, by set the first threaded rod (10) with the first spiral shell
Line pipe (11) is threadedly coupled, and the effect that telescopic adjustment is carried out to the first screwed pipe (11) has been reached, consequently facilitating firm banking (2)
It is fixed firm, is engaged with worm screw (6) by setting worm gear (33), has reached the effect for being easy to rotate the first threaded rod (10)
Really, while being prevented from the problem generation that the first threaded rod (10) is voluntarily rotated after adjustment, by setting active taper gear
(21) surface is engaged with the surface of driven taper gear (16), two threaded rods that can be threadedly coupled the second screwed pipe (15)
(17) oscilaltion power is more steady, the drilling effect of enhancing drill bit (34), by setting what is be fixedly connected in spring cavity (24)
Compression spring (25), can be prevented effectively from when drilling occurs in drill bit (34) carries out hard contact and damages with the harder material of experience
Problem, by setting anti-skidding cone (30), can effectively strengthen the steadiness of the first screwed pipe (11), by setting fixture block
(12) possibility that the first screwed pipe (11) does circumferencial direction rotation, can be effectively reduced, so as to effectively solve light water
The not enough problem of lower punch device steadiness.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element for limiting, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".Although have been shown and
Embodiments of the invention are described, for the ordinary skill in the art, it is possible to understand that do not departing from original of the invention
These embodiments can be carried out with various changes, modification, replacement and modification in the case of reason and spirit, the scope of the present invention is by institute
Attached claim and its equivalent are limited.
Claims (7)
1. it is a kind of be easy to fixation build work perforating device under water, including supporting leg (1), it is characterised in that：The supporting leg (1)
Bottom is fixedly connected with firm banking (2), and the surface of the firm banking (2) has been bolted to connection bearing block (3), institute
The inside for stating bearing block (3) is fixedly connected with clutch shaft bearing (4), and the inner ring of the clutch shaft bearing (4) is fixedly connected first rotating shaft
(5), one end of the first rotating shaft (5) is fixedly connected with worm screw (6), and the inside of the firm banking (2) offers liter respectively
Drop chamber (7) and chute (8), the inwall of the lifting chamber (7) are connected with chute (8), and the inside of the firm banking (2) is fixed and connected
Second bearing (9) is connected to, the inner ring of the second bearing (9) is fixedly connected with the first threaded rod (10), first threaded rod
(10) surface is fixedly connected with worm gear (33), and the worm gear (33) is engaged with worm screw (6), the table of first threaded rod (10)
Face is threaded with the first screwed pipe (11), and surface and the inwall of lifting chamber (7) of first screwed pipe (11) are slidably connected,
Fixture block (12), the surface of the fixture block (12) and the inwall of chute (8) are fixedly connected with the top of first screwed pipe (11)
It is slidably connected；
The top of the supporting leg (1) is fixedly connected with supporting plate (13), and the inside of the supporting plate (13) is fixedly connected with
Three bearings (14), the inner ring of the 3rd bearing (14) is fixedly connected with the second screwed pipe (15), second screwed pipe (15)
Top extend to the top of supporting plate (13), the surface of second screwed pipe (15) is fixedly connected with driven taper gear
(16), the inner thread of second screwed pipe (15) is connected with the second threaded rod (17), the top of second threaded rod (17)
Portion extends to the top of the second screwed pipe (15), and the upper surface of the supporting plate (13) is fixedly connected with mounting seat (18), institute
The upper surface for stating mounting seat (18) is fixedly connected with motor (19), and the output shaft of the motor (19) is fixed by shaft coupling and connected
The second rotating shaft (20) is connected to, the surface of second rotating shaft (20) is fixedly connected with active taper gear (21), the initiative taper
Engaged with the surface of driven taper gear (16) on the surface of degree gear (21)；
The bottom of second threaded rod (17) extends to the bottom of supporting plate (13), and the bottom of second threaded rod (17) is consolidated
Surely locating piece (22) is connected with, the surface of second threaded rod (17) slidably connects sliding sleeve (23), the sliding sleeve (23)
Inside offers spring cavity (24), and surface and the inwall of spring cavity (24) of the locating piece (22) are slidably connected, the spring
The inner bottom wall in chamber (24) is fixedly connected with compression spring (25), the top of the compression spring (25) and the following table of locating piece (22)
Face is slidably connected, and the bottom of the sliding sleeve (23) is fixedly connected with drill bit (34).
2. it is according to claim 1 it is a kind of be easy to fixation build work perforating device under water, it is characterised in that：Described first turn
One end of axle (5) is fixedly connected with rotating bar (26), and one end of the rotating bar (26) is fixedly connected with handle (27).
3. it is according to claim 2 it is a kind of be easy to fixation build work perforating device under water, it is characterised in that：The handle
(27) one end is fixedly connected with baffle plate (28), and the surface of the handle (27) is socketed with sleeve pipe (29).
4. it is according to claim 1 it is a kind of be easy to fixation build work perforating device under water, it is characterised in that：First spiral shell
The bottom of line pipe (11) extends to the bottom of lifting chamber (7), and the bottom of first screwed pipe (11) is fixedly connected with anti-skidding cone
Body (30).
5. what a kind of according to claim 1-4 was easy to fixation builds work perforating device under water, it is characterised in that：The installation
The lower surface of base (18) is fixedly connected with support bar (31), and the bottom of the support bar (31) is consolidated with the surface of supporting leg (1)
Fixed connection.
6. what a kind of according to claim 1-5 was easy to fixation builds work perforating device under water, it is characterised in that：The sliding sleeve
(23) inner bottom wall is fixedly connected with limited block (32), and the surface of the limited block (32) is slided with the surface of compression spring (25)
Connection.
7. it is a kind of be easy to fixation build work drilling method under water, it is characterised in that：This be easy to fixation build work perforating device under water,
It is threadedly coupled with the first screwed pipe (11) by setting the first threaded rod (10), has reached and the first screwed pipe (11) is stretched
The effect of regulation, consequently facilitating firm banking (2) is fixed firm, is engaged by setting worm gear (33) with worm screw (6), is reached
It is easy to rotate the effect of the first threaded rod (10), while be prevented from that the first threaded rod (10) voluntarily rotates after adjustment asks
Topic occurs, and is engaged with the surface of driven taper gear (16) by the surface for setting active taper gear (21), can make second
Two threaded rods (17) oscilaltion power of screwed pipe (15) threaded connection is more steady, and the drilling effect of enhancing drill bit (34) leads to
The compression spring (25) being fixedly connected in setting spring cavity (24) is crossed, can be prevented effectively from when drilling occurs in drill bit (34) and be met with
The problem that harder material carries out hard contact and damages, by setting anti-skidding cone (30), can effectively strengthen the first screwed pipe
(11) steadiness, by setting fixture block (12), can effectively reduce the possibility that the first screwed pipe (11) does circumferencial direction rotation
Property, so as to effectively solve the problems, such as that punch device steadiness is not enough under light water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260765.2A CN106869793A (en) | 2017-04-20 | 2017-04-20 | It is a kind of be easy to fixation build work perforating device under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260765.2A CN106869793A (en) | 2017-04-20 | 2017-04-20 | It is a kind of be easy to fixation build work perforating device under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106869793A true CN106869793A (en) | 2017-06-20 |
Family
ID=59162971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260765.2A Withdrawn CN106869793A (en) | 2017-04-20 | 2017-04-20 | It is a kind of be easy to fixation build work perforating device under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106869793A (en) |
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|---|---|---|---|---|
| CN107401634A (en) * | 2017-08-03 | 2017-11-28 | 过蕊 | A kind of portable sewage treatment pipeline support frame |
| CN108214690A (en) * | 2017-11-06 | 2018-06-29 | 卢松华 | A kind of follow-on environment-friendly sheet processing unit (plant) |
| CN108323875A (en) * | 2018-02-01 | 2018-07-27 | 曾待璋 | A kind of high precision perforating device of the shoemaking convenient for adjusting |
| CN108643837A (en) * | 2018-04-27 | 2018-10-12 | 芜湖华诚农业技术有限公司 | A kind of agricultural land face drilling equipment convenient for the saving operating time |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| CN110872932A (en) * | 2019-12-13 | 2020-03-10 | 泉州市元通科技服务有限公司 | Multi-functional building construction tool of dismantling |
| CN112030992A (en) * | 2020-08-14 | 2020-12-04 | 广东石油化工学院 | Multidirectional anti-seismic supporting device and using method thereof |
| CN112030922A (en) * | 2019-04-23 | 2020-12-04 | 华北水利水电大学 | Underwater concrete stand column construction auxiliary platform capable of adjusting size of cofferdam |
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| CN107401634A (en) * | 2017-08-03 | 2017-11-28 | 过蕊 | A kind of portable sewage treatment pipeline support frame |
| CN108214690A (en) * | 2017-11-06 | 2018-06-29 | 卢松华 | A kind of follow-on environment-friendly sheet processing unit (plant) |
| CN108323875A (en) * | 2018-02-01 | 2018-07-27 | 曾待璋 | A kind of high precision perforating device of the shoemaking convenient for adjusting |
| CN108643837A (en) * | 2018-04-27 | 2018-10-12 | 芜湖华诚农业技术有限公司 | A kind of agricultural land face drilling equipment convenient for the saving operating time |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| CN112030924A (en) * | 2019-04-23 | 2020-12-04 | 华北水利水电大学 | A dig hole cofferdam platform for concrete column construction under surface of water |
| CN112030922A (en) * | 2019-04-23 | 2020-12-04 | 华北水利水电大学 | Underwater concrete stand column construction auxiliary platform capable of adjusting size of cofferdam |
| CN112030923A (en) * | 2019-04-23 | 2020-12-04 | 华北水利水电大学 | Underwater concrete upright post construction auxiliary platform with hole digging equipment |
| CN112030923B (en) * | 2019-04-23 | 2021-09-14 | 华北水利水电大学 | Underwater concrete upright post construction auxiliary platform with hole digging equipment |
| CN112030924B (en) * | 2019-04-23 | 2021-09-14 | 华北水利水电大学 | A dig hole cofferdam platform for concrete column construction under surface of water |
| CN112030922B (en) * | 2019-04-23 | 2021-09-14 | 华北水利水电大学 | Underwater concrete stand column construction auxiliary platform capable of adjusting size of cofferdam |
| CN110872932A (en) * | 2019-12-13 | 2020-03-10 | 泉州市元通科技服务有限公司 | Multi-functional building construction tool of dismantling |
| CN112030992A (en) * | 2020-08-14 | 2020-12-04 | 广东石油化工学院 | Multidirectional anti-seismic supporting device and using method thereof |
| CN112191766A (en) * | 2020-09-22 | 2021-01-08 | 国网河南省电力公司武陟县供电公司 | Power cable bending tool |
| CN112893915A (en) * | 2021-01-15 | 2021-06-04 | 何天斌 | Surface punching equipment for pipe processing |
| CN112878966A (en) * | 2021-01-22 | 2021-06-01 | 大连理工大学 | Ocean natural gas hydrate reservoir remodeling and exploitation device |
| CN112878966B (en) * | 2021-01-22 | 2021-11-05 | 大连理工大学 | Ocean natural gas hydrate reservoir remodeling and exploitation device |
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Application publication date: 20170620 |