CN107675599A - A kind of building concrete road surface quick crashing device - Google Patents
A kind of building concrete road surface quick crashing device Download PDFInfo
- Publication number
- CN107675599A CN107675599A CN201711086742.0A CN201711086742A CN107675599A CN 107675599 A CN107675599 A CN 107675599A CN 201711086742 A CN201711086742 A CN 201711086742A CN 107675599 A CN107675599 A CN 107675599A
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- movable block
- operating desk
- hammer
- installing plate
- fixed station
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/124—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus moved rectilinearly, e.g. road-breaker apparatus with reciprocating tools, with drop-hammers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to a kind of building concrete road surface quick crashing device, including fixed station, the upper surface of fixed station is symmetrically arranged with four side chains in parallel, and the top of four side chains in parallel is provided with operating desk；Installing plate is welded with the right side of the upper surface of operating desk, rotary shaft is provided with by bearing on the inwall of installing plate, the middle part of rotary shaft is provided with disc cam by key, the left end of disc cam is provided with electric rotating machine by shaft coupling, electric rotating machine is arranged on fixed mount by motor cabinet, and fixed mount is arranged on the left of the upper surface of operating desk；Two No. two line slide rails are symmetrically installed with by screw on the inwall of installing plate, movable block is installed on two No. two line slide rails, the rear and front end of movable block is symmetrically arranged with two hook type travellers.The present invention can realize stable quick crashing function, and the vibration sense in the course of work greatly reduces, and there is rigid support height adjustable, crushing distance up and down, can to reconcile operating efficiency high.
Description
The present invention be applicant on 05 16th, 2016 number of patent applications proposed be " 201610324122.5 ", title
For a kind of divisional application of the Chinese invention patent application of " building concrete road surface quick crashing device ", entire contents combine
Among the application.
Technical field
The present invention relates to building concrete technical field, specifically a kind of building concrete road surface quick crashing dress
Put.
Background technology
Concrete, refer to the general designation for the cementing integral engineered composite material that gathers materials, its extensive use by binder materials
In civil construction project.Concrete is one of the present age most important civil construction project material, is by binder materials, graininess collection
Material, water and the additive added if necessary and admixture are prepared by a certain percentage, and through uniform stirring, closely knit shaping, maintenance is firmly
Change a kind of artificial stone material formed.Concrete has abundant raw material, cheap, simple production process, compression strength high, durable
The characteristics of property is good, strength grade scope is wide, these features make its use range quite varied, not only in various civil construction projects
Middle use, and concrete is also important material in the field such as shipbuilding industry, mechanical industry, the exploitation of ocean, geothermal engineering.
With the continuous growth of concrete usage time, many concrete road surfaces are required for periodically being repaired or being changed
Build, be generally required for manually being smashed concrete with hydraulic breaking hammer before repairing or reconstructing, but concrete is in shattering process
It is middle to produce powerful broken vibration, work long hours can cause by operator's hand shake pain or the injury of the tissues phenomenon, and use
There is big, the broken speed of labor intensity is slow and the defects of operating efficiency is low for this hand breaking mode；Although also have it is complete from
Hydrodynamic pressure disintegrating machine, but in shattering process all can the powerful vibration sense of output, working long hours can be by fully automatic hydraulic disintegrating machine
Part vibration absent-mindedness, it is necessary to frequent periodic maintenance, and because the break height of fully automatic hydraulic disintegrating machine is all hydraulic cylinder-controlled
System, rigid support is highly unadjustable, causes upper and lower crushing motion distance big, greatly reduces operating efficiency.
The content of the invention
In order to solve the above problems, the invention provides a kind of building concrete road surface quick crashing device, can solve
The full-automatic crumbling method of existing concrete produce in the course of the work powerful vibration sense by part vibration absent-mindedness need periodic maintenance,
The highly unadjustable big problem of scope for causing upper and lower crushing motion of rigid support, can also solve existing concrete and manually break
Broken mode produces powerful vibration sense and operator's hand shakes to pain or the injury of the tissues, labor intensity is big, broken speed in the course of the work
Slow and low operating efficiency problem, the present invention can realize stable quick crashing function, the course of work greatly reduce
In vibration sense, and there is rigid support height adjustable, can to reconcile operating efficiency high for broken distance up and down.
To achieve these goals, the present invention is realized using following technical scheme：A kind of building concrete road surface is quick
Breaker, including fixed station, the upper surface of the fixed station are symmetrically arranged with four mounting holes, and four mounting holes are by the present invention
On existing concrete process equipment, the upper surface of fixed station is symmetrically arranged with four side chains in parallel, four side chains in parallel
Top operating desk is installed；The side chain in parallel includes being welded on the No.1 ear mount of fixed station upper surface, between No.1 ear mount
Hydraulic cylinder is provided with by bearing pin, the top of hydraulic cylinder is arranged in No. two ear mounts by bearing pin, and No. two ear mounts are arranged on operation
The lower surface of platform, turn when prismatic pair P when revolute pair R when No.1 ear mount rotates, hydraulic cylinder extension rotates with No. two ear mounts
Dynamic secondary R forms the side chain in parallel of RPR structures, and fixed station, the side chain and operating desk in parallel of four RPR structures form 4-RPR simultaneously
Online structure, 4-RPR parallel institutions have that dynamic response is good, rigidity is high, large carrying capacity, stability are good and kinematic accuracy height etc. is excellent
Point, operating desk is driven to make elevating movement by four hydraulic cylinders on four side chains in parallel, and it is firm due to 4-RPR parallel institutions
Property support performance make it that the operating desk of the present invention remains plateau in lifting process, realize rigidity height of the invention
It can reconcile and crush up and down apart from adjustable function, greatly improve operating efficiency；Welded on the right side of the upper surface of the operating desk
There is an installing plate, rotary shaft is provided with by bearing on the inwall of installing plate, the middle part of rotary shaft is provided with disc cam by key,
The left end of disc cam is provided with electric rotating machine by shaft coupling, and electric rotating machine is arranged on fixed mount by motor cabinet, fixed
Frame is arranged on the left of the upper surface of operating desk；Two line slide rails are symmetrically installed with by screw on the inwall of the installing plate,
Movable block is installed, the rear and front end of movable block is symmetrically arranged with two hook type travellers, and two hook types are slided on two line slide rails
Post is connected between two chutes by sliding matching mode respectively, and two chutes are symmetrically mounted on the rear and front end of installing plate,
By the spacing routing motion movable block of hook type traveller and chute can be stable on two line slide rails work up and down reciprocatingly
Motion；The upper end of the movable block is welded with fixation hollow cylinder, is provided with inside fixation hollow cylinder and smashes hammer；The fixation hollow
Drum outer wall is evenly arranged with four screwed holes in the axial direction, and being connected through a screw thread mode inside four screwed holes is provided with four
Lock-screw, the head of four lock-screws, which is tightly abutted against, to be smashed on hammer outer wall, and hammer jail will be smashed by four lock-screws
Solid be locked on fixation hollow cylinder, drive that to smash hammer synchronous reciprocating by the reciprocating motion of movable block, so as to drive
Smash hammer and constantly quickly smash concrete road surface, and in the hammer course of work is smashed, rung by the dynamic of 4-RPR parallel institutions
Ying Hao, rigidity height, large carrying capacity, stability are good and cause the present invention to remain easy motion shape the advantages that kinematic accuracy is high
State, greatly reduce to smash to hammer into shape and sense is being vibrated caused by the course of work, solve the full-automatic crumbling method of existing concrete and exist
Powerful vibration sense is produced in the course of work needs periodic maintenance, rigid support are highly unadjustable to cause part vibration absent-mindedness
The big problem of the scope of lower crushing motion, also solve existing concrete hand breaking mode produce in the course of the work it is powerful
Vibration sense shakes operator's hand, and pain or the injury of the tissues, labor intensity is big, the broken problem that speed is slow and operating efficiency is low.
During work, the present invention is arranged on existing concrete process equipment by four mounting holes on fixed station first
On, then adjustment, which smashes, smashes the height of concrete road surface to optimum height needed for hammer distance, four on four side chains in parallel
Hydraulic cylinder, which starts simultaneously at, makees oscilaltion campaign, so as to drive the hammer that smashes above operating desk to make synchronization lifting regulation, realizes
The rigid height adjustable of the present invention is crushed apart from adjustable function with upper and lower, greatly improves operating efficiency；When smashing hammer distance
When the required height for smashing concrete road surface adjusts optimum height, electric rotating machine is started working, and electric rotating machine drives rotary shaft to exist
Rotated on installing plate, rotary shaft drives disc cam to rotate, by the specific profile line of disc cam in hook type traveller and chute
Spacing routing motion under drive movable block to make to make reciprocating motion stably up and down on two line slide rails, and movable block is past
It is synchronous reciprocating that multiple motion drive smashes hammer, smashes hammer so as to drive and constantly quickly smashes concrete road surface, and is hitting
In the broken hammer course of work, by the dynamic response of 4-RPR parallel institutions is good, rigidity is high, large carrying capacity, stability are good and motion
The advantages that precision is high causes the present invention to remain easy motion state, greatly reduces and smashes hammer caused by the course of work
Vibration sense, the stable quick crashing function of the present invention is realized, solves the full-automatic crumbling method of existing concrete worked
Powerful vibration sense is produced in journey needs periodic maintenance, rigid support are highly unadjustable to cause to crush up and down part vibration absent-mindedness
The big problem of the scope of motion, also solve existing concrete hand breaking mode produce powerful vibration sense in the course of the work will
Operator's hand shakes, and pain or the injury of the tissues, labor intensity is big, the broken problem that speed is slow and operating efficiency is low.
The beneficial effects of the invention are as follows：
1st, the present invention drives the hammer that smashes on operating desk to make lift adjustment by four hydraulic cylinders on four side chains in parallel, and borrows
The advantages that dynamic response of 4-RPR parallel institutions is good, rigidity is high, large carrying capacity, stability are good and kinematic accuracy is high is helped to cause
The hammer that smashes on operating desk of the present invention remains plateau during lift adjustment and in the course of the work, realizes this
Invent rigid height adjustable and crush up and down apart from adjustable function, greatly improve operating efficiency.
2nd, the present invention solves the full-automatic crumbling method of existing concrete and produces powerful vibration sense in the course of the work by zero
Part vibration absent-mindedness needs the highly unadjustable big problem of scope for causing upper and lower crushing motion of periodic maintenance, rigid support,
Solve existing concrete hand breaking mode produce in the course of the work powerful vibration sense by operator's hand shake pain or wound
Muscle, labor intensity are big, crush the problem that speed is slow and operating efficiency is low, and the present invention realizes stable quick crashing function,
Greatly reduce the vibration sense in the course of work, and with rigid support height adjustable, broken distance can reconcile work up and down
The advantages that efficiency high.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the full sectional view of the present invention.
Specific embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As depicted in figs. 1 and 2, a kind of building concrete road surface quick crashing device, including fixed station 1, the fixed station 1
Upper surface be symmetrically arranged with four mounting holes, the present invention is arranged on existing concrete process equipment by four mounting holes, Gu
The upper surface for determining platform 1 is symmetrically arranged with four side chains 2 in parallel, and the top of four side chains 2 in parallel is provided with operating desk 3；It is described simultaneously
Connection side chain 2 includes being welded on the No.1 ear mount 21 of the upper surface of fixed station 1, and hydraulic cylinder is provided with by bearing pin between No.1 ear mount 21
22, the top of hydraulic cylinder 22 is arranged in No. two ear mounts 23 by bearing pin, and No. two ear mounts 23 are arranged on the lower surface of operating desk 3,
Revolute pair R when prismatic pair P and No. two ear mounts 23 when revolute pair R, hydraulic cylinder 22 when No.1 ear mount 21 rotates stretch are rotated
The side chain in parallel 2 of RPR structures is formd, the side chain in parallel 2 and operating desk 3 of 1, four RPR structure of fixed station form 4-RPR parallel connections
Mechanism, 4-RPR parallel institutions have that dynamic response is good, rigidity is high, large carrying capacity, stability are good and kinematic accuracy height etc. is excellent
Point, operating desk 3 is driven to make elevating movement by four hydraulic cylinders 22 on four side chains 2 in parallel, and due to 4-RPR parallel institutions
Rigid support performance cause the operating desk 3 of the present invention to remain plateau in lifting process, realized it is of the invention just
Property height adjustable and broken apart from adjustable function up and down, greatly improve operating efficiency；The upper surface of the operating desk 3 is right
Side is welded with installing plate 4, is provided with rotary shaft 5 by bearing on the inwall of installing plate 4, the middle part of rotary shaft 5 is installed by key
There is disc cam 6, the left end of disc cam 6 is provided with electric rotating machine 7 by shaft coupling, and electric rotating machine 7 is installed by motor cabinet
On fixed mount 8, fixed mount 8 is arranged on the left of the upper surface of operating desk 3；It is symmetrical by screw on the inwall of the installing plate 4
Two line slide rails 9 are installed, movable block 10 is installed on two line slide rails 9, the rear and front end of movable block 10 is symmetrical arranged
There are two hook type travellers 11, two hook type travellers 11 are connected between two chutes 12 by sliding matching mode respectively, two
Chute 12 is symmetrically mounted on the rear and front end of installing plate 4, is moved by the spacing routing motion of hook type traveller 11 and chute 12
Motion block 10 stable on two line slide rails 9 can pump；The upper end of the movable block 10 is welded with fixed sky
Heart cylinder 13, it is provided with inside fixation hollow cylinder 13 and smashes hammer 14；The outer wall of fixation hollow cylinder 13 is uniformly arranged in the axial direction
There are four screwed holes, the mode that is connected through a screw thread inside four screwed holes is provided with four lock-screws 15, four lock-screws
15 head, which is tightly abutted against, to be smashed on 14 outer walls of hammer, and will smash hammer 14 by four lock-screws 15 is firmly locked at fixation
On hollow cylinder 13, drive that to smash hammer 14 synchronous reciprocating by the reciprocating motion of movable block 10, hammer 14 is smashed so as to drive
Concrete road surface is constantly quickly smashed, and in 14 courses of work of hammer are smashed, by the dynamic response of 4-RPR parallel institutions
Good, rigidity height, large carrying capacity, stability are good and cause the present invention to remain easy motion shape the advantages that kinematic accuracy is high
State, greatly reduce smash hammer 14 caused by the course of work vibrate sense, solve the full-automatic crumbling method of existing concrete
Producing powerful vibration sense in the course of the work needs periodic maintenance, rigid support are highly unadjustable to cause part vibration absent-mindedness
The big problem of the scope of upper and lower crushing motion, also solve existing concrete hand breaking mode produce in the course of the work it is powerful
Vibration sense operator's hand shakes to pain or the injury of the tissues, labor intensity is big, the broken problem that speed is slow and operating efficiency is low.
During work, the present invention is arranged on existing concrete process equipment by four mounting holes on fixed station 1 first
On, then adjustment, which smashes, smashes the height of concrete road surface to optimum height needed for the distance of hammer 14, and four on four side chains 2 in parallel
Individual hydraulic cylinder 22, which starts simultaneously at, makees oscilaltion campaign, so as to drive the hammer 14 that smashes of the top of operating desk 3 to make synchronization lifting regulation,
Realize the rigid height adjustable of the present invention and crush up and down apart from adjustable function, greatly improve operating efficiency；When smashing
When the height adjustment optimum height of concrete road surface is smashed needed for the distance of hammer 14, electric rotating machine 7 is started working, the band of electric rotating machine 7
Dynamic rotary shaft 5 rotates on installing plate 4, and rotary shaft 5 drives disc cam 6 to rotate, and exists by the specific profile line of disc cam 6
Movable block 10 is driven to make to make stabilization up and down on two line slide rails 9 under the spacing routing motion of hook type traveller 11 and chute 12
Move back and forth, and the reciprocating motion of movable block 10 drives that to smash hammer 14 synchronous reciprocating, so as to drive, to smash hammer 14 continuous
It is quick smash concrete road surface, it is good, firm by the dynamic response of 4-RPR parallel institutions and in 14 courses of work of hammer are smashed
Spending the advantages that height, large carrying capacity, stability are good and kinematic accuracy is high causes the present invention to remain easy motion state, significantly
Reduce and smash hammer 14 sense is being vibrated caused by the course of work, realize the stable quick crashing function of the present invention, solve
The full-automatic crumbling method of existing concrete produce in the course of the work powerful vibration sense by part vibration absent-mindedness need periodic maintenance,
The highly unadjustable big problem of scope for causing upper and lower crushing motion of rigid support, also solves existing concrete hand breaking
Mode produces powerful vibration sense in the course of the work, and shake pain or the injury of the tissues, big, the broken speed of labor intensity of operator's hand is slow
Low problem, has reached purpose with operating efficiency.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above-described embodiment and specification simply illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, and these change and changed
Enter all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Define.
Claims (2)
- A kind of 1. building concrete road surface quick crashing device, it is characterised in that：Including fixed station (1), the fixed station (1) Upper surface is symmetrically arranged with four mounting holes, and the upper surface of fixed station (1) is symmetrically arranged with four side chains (2) in parallel, and four simultaneously The top of connection side chain (2) is provided with operating desk (3)；Installing plate (4) is welded with the right side of the upper surface of the operating desk (3), is installed Rotary shaft (5) is provided with by bearing on the inwall of plate (4), the middle part of rotary shaft (5) is provided with disc cam (6) by key, The left end of disc cam (6) is provided with electric rotating machine (7) by shaft coupling；Rotary shaft（5）Drive disc cam（6）Rotate, borrow Help disc cam（6）Specific profile line in hook type traveller（11）And chute（12）Spacing routing motion under drive movable block （10）In two line slide rails（9）Upper work makees stable reciprocating motion up and down；Fixed mount (8) is arranged on the upper end of operating desk (3) Left side of face；Two line slide rails (9), two line slide rails (9) are symmetrically installed with by screw on the inwall of the installing plate (4) On movable block (10) is installed, the rear and front end of movable block (10) is symmetrically arranged with two hook type travellers (11), and two hook types are slided Post (11) is connected between two chutes (12) by sliding matching mode respectively, and two chutes (12) are symmetrically mounted on installing plate (4) rear and front end；The upper end of the movable block (10) is welded with fixation hollow cylinder (13), is installed inside fixation hollow cylinder (13) Smash hammer (14)；Fixation hollow cylinder (13) outer wall is evenly arranged with four screwed holes, four screwed holes in the axial direction Inside is connected through a screw thread mode and is provided with four lock-screws (15), and the head of four lock-screws (15), which is tightly abutted against, to be hit On broken hammer (14) outer wall；Pass through four lock-screws（15）Hammer will be smashed（14）Firmly it is locked at fixation hollow cylinder（13）On, Pass through movable block（10）Reciprocating motion drive smash hammer（14）It is synchronous reciprocating；The side chain in parallel (2) includes welding No.1 ear mount (21) in fixed station (1) upper surface, hydraulic cylinder (22), hydraulic pressure are provided with by bearing pin between No.1 ear mount (21) The top of cylinder (22) is arranged on No. two ear mounts (23) by bearing pin, and No. two ear mounts (23) are arranged on the lower surface of operating desk (3).
- A kind of 2. building concrete road surface quick crashing device according to claim 1, it is characterised in that：Described rotation Motor (7) is arranged on described fixed mount (8) by motor cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086742.0A CN107675599A (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086742.0A CN107675599A (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
| CN201610324122.5A CN105970788B (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610324122.5A Division CN105970788B (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107675599A true CN107675599A (en) | 2018-02-09 |
Family
ID=56955530
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086742.0A Withdrawn CN107675599A (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
| CN201610324122.5A Active CN105970788B (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610324122.5A Active CN105970788B (en) | 2016-05-16 | 2016-05-16 | A kind of building concrete road surface quick crashing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107675599A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789009A (en) * | 2019-12-05 | 2020-02-14 | 金陵科技学院 | Concrete removing device |
| CN117301308A (en) * | 2023-11-16 | 2023-12-29 | 淄博市建筑设计研究院有限公司 | Grooving device for laying heating and ventilation pipelines |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161286B (en) * | 2017-05-31 | 2023-11-17 | 宜昌江峡船用机械有限责任公司 | Submersible equipment underwater balance adjusting device and leveling method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918377A (en) * | 1960-08-24 | 1963-02-13 | Lehane Mackenzie & Shand Ltd | Improvements relating to equipment for use in breaking up and consolidating materials |
| US6325459B1 (en) * | 1999-12-16 | 2001-12-04 | Donald J. Jaeger | Concrete breaker head |
| KR100692511B1 (en) * | 2004-08-05 | 2007-03-09 | 강릉대학교산학협력단 | Pavement Breaking Apparatus |
| CN104929176B (en) * | 2015-06-16 | 2018-11-20 | 新沂市芭缇雅商贸有限公司 | A kind of pavement breaking dedicated hydraulic crushing device |
| CN105133568A (en) * | 2015-09-23 | 2015-12-09 | 苏交科集团股份有限公司 | Improved dynamic compaction hammer |
| CN205171523U (en) * | 2015-12-02 | 2016-04-20 | 福建省闽工新型建材有限公司 | A pile bolck steel cap for pile of precast concrete sheet pile |
-
2016
- 2016-05-16 CN CN201711086742.0A patent/CN107675599A/en not_active Withdrawn
- 2016-05-16 CN CN201610324122.5A patent/CN105970788B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789009A (en) * | 2019-12-05 | 2020-02-14 | 金陵科技学院 | Concrete removing device |
| CN117301308A (en) * | 2023-11-16 | 2023-12-29 | 淄博市建筑设计研究院有限公司 | Grooving device for laying heating and ventilation pipelines |
| CN117301308B (en) * | 2023-11-16 | 2024-03-19 | 淄博市建筑设计研究院有限公司 | Grooving device for laying heating and ventilation pipelines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105970788A (en) | 2016-09-28 |
| CN105970788B (en) | 2018-03-06 |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180209 |