CN108748711A - A kind of quick perforating device of construction material - Google Patents
A kind of quick perforating device of construction material Download PDFInfo
- Publication number
- CN108748711A CN108748711A CN201810413470.9A CN201810413470A CN108748711A CN 108748711 A CN108748711 A CN 108748711A CN 201810413470 A CN201810413470 A CN 201810413470A CN 108748711 A CN108748711 A CN 108748711A
- Authority
- CN
- China
- Prior art keywords
- bolted connection
- type frame
- perforating device
- construction material
- elevating lever
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Abstract
The present invention relates to a kind of construction material perforating device more particularly to a kind of quick perforating devices of construction material.The technical problem to be solved in the present invention is to provide a kind of easy to operate, low manufacture cost, the quick perforating devices of construction material that work efficiency is high.In order to solve the above technical problem, the present invention provides the quick perforating devices of such a construction material, include N-type frame etc.；It is connected with cross bar by bolted connection in the middle part of N-type frame medial surface, it is connected with placing frame by bolted connection in the middle part of cross bar, guide hole is provided among N-type top of the trellis, driving device is equipped on the left of N-type top of the trellis, perforating device is equipped in guide hole, driving device is corresponding up and down with placing frame.Invention achieves easy to operate, low manufacture cost, the effects that work efficiency is high.
Description
Technical field
The present invention relates to a kind of construction material perforating device more particularly to a kind of quick perforating devices of construction material.
Background technology
Construction material, the material used between floors are referred to as construction material.The range that novel construction material includes
It is very wide, there are thermal insulation material, heat-barrier material, high-strength material, the material etc. that can breathe to belong to new material.Construction material is soil
The general designation of the material used in wood engineering and architectural engineering.In building operation, it can use and arrive a large amount of construction material, especially
The wall in house is built, even more needs to use a large amount of brick.Brick is divided into solid brick and honeycomb brick, in honeycomb brick making,
It is required for being punched, in the prior art, drill process is cumbersome, and cost of manufacture is high, working efficiency is low, therefore there is an urgent need for grind
It is easy to operate to send out a kind of, low manufacture cost, the quick perforating device of construction material that work efficiency is high.
Invention content
（1）Technical problems to be solved
For the present invention in order to overcome in the prior art, drill process is cumbersome, the disadvantage that cost of manufacture is high, working efficiency is low,
The technical problem to be solved in the present invention is to provide a kind of easy to operate, low manufacture cost, the construction material that work efficiency is high are quick
Perforating device.
（2）Technical solution
In order to solve the above technical problem, the present invention provides the quick perforating devices of such a construction material, include N-type
Frame, cross bar, placing frame, driving device and perforating device, N-type frame medial surface middle part are connected with cross by bolted connection
Bar, cross bar middle part are connected with placing frame by bolted connection, and guide hole, N-type top of the trellis left side are provided among N-type top of the trellis
Equipped with driving device, perforating device is equipped in guide hole, driving device is corresponding up and down with placing frame.
Preferably, driving device includes holder, first motor and cam, and N-type top of the trellis passes on left bolted
Mode is connected with holder, and first motor, the output shaft of first motor are equipped with by bolted connection on the right side of cradle top
Upper to be connected with cam by shaft coupling, cam is located on rear side of first motor.
Preferably, perforating device includes elevating lever, fixed block, contact roller, spring, connecting plate and cylinder, in guide hole
It is equipped with elevating lever vertically, elevating lever upper weld has fixed block, spring, bullet are connected between fixed block bottom and N-type top of the trellis
Spring is sleeved on elevating lever, and elevating lever top is equipped with contact roller, contact roller and cam engagement, and elevating lever bottom end passes through bolt
The mode horizontal connection of connection has connecting plate, and connecting plate bottom is evenly spaced to be welded with cylinder.
Preferably, further include having dust-extraction unit, dust-extraction unit includes montant, connecting rod, water inlet pipe and nozzle, N-type frame
It is connected with montant by bolted connection on the right side of inner top, montant bottom left face is connected with by bolted connection
Connecting rod, connecting rod left end are equipped with nozzle, water inlet pipe are connected on nozzle.
Preferably, further include having pendulous device, pendulous device includes sliding rail, sliding block, rack, gear and cylinder, N-type frame
Interior right side is vertically-mounted by bolted connection to have sliding rail, sliding rail to be located above cross bar, is slidably equipped on sliding rail
Sliding block, sliding block left side are connected with rack vertically by bolted connection, and right vertical is equipped with cylinder before N-type top of the trellis,
Cylinder is connect with N-type frame by bolted connection, and Telescopic-cylinder bar at the top of shaft coupling and rack by connecting, montant lower part
Rotary type is equipped with gear, wheel and rack engagement, and connecting rod right end is connect with gear.
Preferably, first motor is servo motor.
Operation principle：When using the present invention, operating personnel will need the brick punched to be placed in placing frame, then pass through
Driving device drives perforating device, perforating device to punch brick.Brick punching after the completion of, out of placing frame take out be
It can.
Because driving device includes holder, first motor and cam, N-type top of the trellis passes on left bolted mode
It is connected with holder, first motor is installed by bolted connection on the right side of cradle top, is led on the output shaft of first motor
It crosses shaft coupling and is connected with cam, cam is located on rear side of first motor, so starting first motor rotation, first motor bottom end cam
Rotation, cam rotation driving perforating device.
It is vertical in guide hole because perforating device includes elevating lever, fixed block, contact roller, spring, connecting plate and cylinder
Equipped with elevating lever, elevating lever upper weld has fixed block, and spring, spring pocket are connected between fixed block bottom and N-type top of the trellis
On elevating lever, elevating lever top is equipped with contact roller, contact roller and cam engagement, and elevating lever bottom end is bolted
Mode horizontal connection have connecting plate, connecting plate bottom is evenly spaced to be welded with cylinder, thus cam rotate, when cam is farthest
After end is contacted with contact roller, elevating lever moves down, spring-compressed；Elevating lever drives connecting plate to move down, so that
Cylinder is inserted into brick；After cam distalmost end and contact roller are detached from, under the action of the spring, elevating lever moves up, in turn
Connecting plate is driven to move up, when cylinder completely disengages brick, i.e. punching is completed, and first motor is closed.It is iteratively repeated
On operate, you can a large amount of bricks are punched.
Because further including having dust-extraction unit, dust-extraction unit includes montant, connecting rod, water inlet pipe and nozzle, is pushed up in N-type frame
It is connected with montant by bolted connection on the right side of portion, montant bottom left face is connected with connection by bolted connection
Bar, connecting rod left end are equipped with nozzle, water inlet pipe are connected on nozzle, so in brick drill process, water inlet pipe is connected
Extraneous tap punches tap, and water is sprayed by water inlet pipe from nozzle, and then can prevent dust from flying upward, and is carried out to environment
Protection.
Because further including having pendulous device, pendulous device includes sliding rail, sliding block, rack, gear and cylinder, in N-type frame
Right side is vertically-mounted by bolted connection to have sliding rail, sliding rail to be located above cross bar, is slidably equipped with and slides on sliding rail
Block, sliding block left side are connected with rack vertically by bolted connection, and right vertical is equipped with cylinder, gas before N-type top of the trellis
Cylinder is connect with N-type frame by bolted connection, and by being connect at the top of shaft coupling and rack, montant lower part turns Telescopic-cylinder bar
Dynamic formula is equipped with gear, wheel and rack engagement, and connecting rod right end is connect with gear, so starting cylinder does stretching motion, into
And moved up and down with carry-over bar, it to be rotated with moving gear positive and negative alternate, and then drives nozzle to swing up and down by connecting rod, sprays
Head large area spray water, dust-proof effect is more preferably.
（3）Advantageous effect
Invention achieves easy to operate, low manufacture cost, the effects that work efficiency is high.
Description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is second of main structure diagram of the present invention.
Fig. 3 is the main structure diagram of pendulous device of the present invention.
Label in attached drawing be：1-N type frame, 2- cross bars, 3- placing frames, 4- driving devices, 5- guide holes, 6- perforating devices,
41- holders, 42- first motors, 43- cams, 61- elevating levers, 62- fixed blocks, 63- contact rollers, 64- springs, 65- connections
Plate, 66- cylinders, 7- dust-extraction units, 71- montants, 72- connecting rods, 73- water inlet pipes, 74- nozzles, 8- pendulous devices, 81- sliding rails,
82- sliding blocks, 83- racks, 84- gears, 85- cylinders.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of quick perforating device of construction material includes as shown in Figs. 1-3 N-type frame 1, cross bar 2, placing frame 3, driving device 4
With perforating device 6,1 medial surface of N-type frame middle part is connected with cross bar 2 by bolted connection, and 2 middle part of cross bar is connected by bolt
The mode connect is connected with placing frame 3, and 1 top center of N-type frame is provided with guide hole 5, and 1 top left side of N-type frame is equipped with driving device 4, leads
Perforating device 6 is equipped in hole 5, driving device 4 is corresponding with about 3 placing frame.
Embodiment 2
A kind of quick perforating device of construction material includes as shown in Figs. 1-3 N-type frame 1, cross bar 2, placing frame 3, driving device 4
With perforating device 6,1 medial surface of N-type frame middle part is connected with cross bar 2 by bolted connection, and 2 middle part of cross bar is connected by bolt
The mode connect is connected with placing frame 3, and 1 top center of N-type frame is provided with guide hole 5, and 1 top left side of N-type frame is equipped with driving device 4, leads
Perforating device 6 is equipped in hole 5, driving device 4 is corresponding with about 3 placing frame.
Driving device 4 includes holder 41, first motor 42 and cam 43, and 1 top left side of N-type frame is bolted
Mode is connected with holder 41, and 41 top right side of holder is equipped with first motor 42, first motor 42 by bolted connection
Output shaft on cam 43 is connected with by shaft coupling, cam 43 is located at 42 rear side of first motor.
Embodiment 3
A kind of quick perforating device of construction material includes as shown in Figs. 1-3 N-type frame 1, cross bar 2, placing frame 3, driving device 4
With perforating device 6,1 medial surface of N-type frame middle part is connected with cross bar 2 by bolted connection, and 2 middle part of cross bar is connected by bolt
The mode connect is connected with placing frame 3, and 1 top center of N-type frame is provided with guide hole 5, and 1 top left side of N-type frame is equipped with driving device 4, leads
Perforating device 6 is equipped in hole 5, driving device 4 is corresponding with about 3 placing frame.
Driving device 4 includes holder 41, first motor 42 and cam 43, and 1 top left side of N-type frame is bolted
Mode is connected with holder 41, and 41 top right side of holder is equipped with first motor 42, first motor 42 by bolted connection
Output shaft on cam 43 is connected with by shaft coupling, cam 43 is located at 42 rear side of first motor.
Perforating device 6 includes elevating lever 61, fixed block 62, contact roller 63, spring 64, connecting plate 65 and cylinder 66,
Elevating lever 61 is equipped in guide hole 5 vertically, 61 upper weld of elevating lever has fixed block 62,62 bottom of fixed block and 1 top of N-type frame
Between be connected with spring 64, spring 64 is sleeved on elevating lever 61, and 61 top of elevating lever is equipped with contact roller 63, contact roller 63 with
Cam 43 coordinates, and horizontal connection has connecting plate 65,65 bottom of connecting plate uniform to 61 bottom end of elevating lever by bolted connection
Interval is welded with cylinder 66.
Embodiment 4
A kind of quick perforating device of construction material includes as shown in Figs. 1-3 N-type frame 1, cross bar 2, placing frame 3, driving device 4
With perforating device 6,1 medial surface of N-type frame middle part is connected with cross bar 2 by bolted connection, and 2 middle part of cross bar is connected by bolt
The mode connect is connected with placing frame 3, and 1 top center of N-type frame is provided with guide hole 5, and 1 top left side of N-type frame is equipped with driving device 4, leads
Perforating device 6 is equipped in hole 5, driving device 4 is corresponding with about 3 placing frame.
Driving device 4 includes holder 41, first motor 42 and cam 43, and 1 top left side of N-type frame is bolted
Mode is connected with holder 41, and 41 top right side of holder is equipped with first motor 42, first motor 42 by bolted connection
Output shaft on cam 43 is connected with by shaft coupling, cam 43 is located at 42 rear side of first motor.
Perforating device 6 includes elevating lever 61, fixed block 62, contact roller 63, spring 64, connecting plate 65 and cylinder 66,
Elevating lever 61 is equipped in guide hole 5 vertically, 61 upper weld of elevating lever has fixed block 62,62 bottom of fixed block and 1 top of N-type frame
Between be connected with spring 64, spring 64 is sleeved on elevating lever 61, and 61 top of elevating lever is equipped with contact roller 63, contact roller 63 with
Cam 43 coordinates, and horizontal connection has connecting plate 65,65 bottom of connecting plate uniform to 61 bottom end of elevating lever by bolted connection
Interval is welded with cylinder 66.
Further include having dust-extraction unit 7, dust-extraction unit 7 includes montant 71, connecting rod 72, water inlet pipe 73 and nozzle 74, N-type
It is connected with montant 71, the side that 71 bottom left face of montant is bolted by bolted connection on the right side of 1 inner top of frame
Formula is connected with connecting rod 72, and 72 left end of connecting rod is equipped with nozzle 74, water inlet pipe 73 is connected on nozzle 74.
Further include having pendulous device 8, pendulous device 8 includes sliding rail 81, sliding block 82, rack 83, gear 84 and cylinder 85,
Right side is vertically-mounted by bolted connection in N-type frame 1 has sliding rail 81, sliding rail 81 to be located above cross bar 2, on sliding rail 81
It is slidably equipped with sliding block 82,82 left side of sliding block is connected with rack 83,1 top of N-type frame vertically by bolted connection
Preceding right vertical is equipped with cylinder 85, and cylinder 85 is connect with N-type frame 1 by bolted connection, and 85 telescopic rod of cylinder passes through connection
Axis device is connect with 83 top of rack, and 71 lower rotational formula of montant is equipped with gear 84, and gear 84 is engaged with rack 83, connecting rod 72
Right end is connect with gear 84.
First motor 42 is servo motor.
Operation principle：When using the present invention, operating personnel will need the brick punched to be placed in placing frame 3, then lead to
Over-driving device 4 drives perforating device 6, perforating device 6 to punch brick.After the completion of brick punching, taken out of placing frame 3
Go out.
Because driving device 4 includes holder 41, first motor 42 and cam 43,1 top left side of N-type frame is connected by bolt
The mode connect is connected with holder 41, and 41 top right side of holder is equipped with first motor 42, the first electricity by bolted connection
Cam 43 is connected with by shaft coupling on the output shaft of machine 42, cam 43 is located at 42 rear side of first motor, so starting the first electricity
Machine 42 rotates, the rotation of 42 bottom end cam 43 of first motor, the rotation driving perforating device 6 of cam 43.
Because perforating device 6 includes elevating lever 61, fixed block 62, contact roller 63, spring 64, connecting plate 65 and cylinder
66, elevating lever 61 is equipped in guide hole 5 vertically, 61 upper weld of elevating lever has fixed block 62,62 bottom of fixed block to be pushed up with N-type frame 1
Spring 64 is connected between portion, spring 64 is sleeved on elevating lever 61, and 61 top of elevating lever is equipped with contact roller 63, contact roller
63 coordinate with cam 43, and horizontal connection has connecting plate 65,65 bottom of connecting plate to 61 bottom end of elevating lever by bolted connection
It is evenly spaced to be welded with cylinder 66, so cam 43 rotates, after 43 distalmost end of cam and the contact of contact roller 63, elevating lever
61 move down, and spring 64 compresses；Elevating lever 61 drives connecting plate 65 to move down, so that cylinder 66 is inserted into brick；
After 43 distalmost end of cam and contact roller 63 are detached from, under the effect of spring 64, elevating lever 61 moves up, and then drives connection
Plate 65 moves up, and when cylinder 66 completely disengages brick, i.e. punching is completed, and first motor 42 is closed.It is iteratively repeated it
Upper operation, you can a large amount of bricks are punched.
Because further including having dust-extraction unit 7, dust-extraction unit 7 includes montant 71, connecting rod 72, water inlet pipe 73 and nozzle
74,1 inner top of N-type frame right side is connected with montant 71 by bolted connection, and 71 bottom left face of montant is connected by bolt
The mode connect is connected with connecting rod 72, and 72 left end of connecting rod is equipped with nozzle 74, water inlet pipe 73 is connected on nozzle 74, so right
In brick drill process, water inlet pipe 73 is connected into extraneous tap, punches tap, water is sprayed by water inlet pipe 73 from nozzle 74
Go out, and then can prevent dust from flying upward, environment is protected.
Because further including having pendulous device 8, pendulous device 8 includes that sliding rail 81, sliding block 82, rack 83, gear 84 are gentle
Cylinder 85, right side is vertically-mounted by bolted connection in N-type frame 1 sliding rail 81, and sliding rail 81 is located at 2 top of cross bar, sliding
Sliding block 82 is slidably equipped on rail 81,82 left side of sliding block is connected with rack 83, N-type frame vertically by bolted connection
Right vertical is equipped with cylinder 85 before 1 top, and cylinder 85 is connect with N-type frame 1 by bolted connection, and 85 telescopic rod of cylinder is logical
It crosses shaft coupling to connect with 83 top of rack, 71 lower rotational formula of montant is equipped with gear 84, and gear 84 is engaged with rack 83, connection
72 right end of bar is connect with gear 84, so starting cylinder 85 does stretching motion, and then is moved up and down with carry-over bar 83, to drive
84 positive and negative alternate of gear rotates, and then drives nozzle 74 to swing up and down by connecting rod 72, and 74 large area spray water of nozzle is dust-proof
It is better.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of quick perforating device of construction material, which is characterized in that include N-type frame（1）, cross bar（2）, placing frame（3）, drive
Dynamic device（4）And perforating device（6）, N-type frame（1）It is connected with cross bar by bolted connection in the middle part of medial surface（2）, cross bar
（2）Middle part is connected with placing frame by bolted connection（3）, N-type frame（1）Top center is provided with guide hole（5）, N-type frame（1）
Top left side is equipped with driving device（4）, guide hole（5）It is interior to be equipped with perforating device（6）, driving device（4）With placing frame（3）It is right up and down
It answers.
2. the quick perforating device of a kind of construction material according to claim 1, which is characterized in that driving device（4）Including
There is holder（41）, first motor（42）And cam（43）, N-type frame（1）Top left side is connected with branch by bolted connection
Frame（41）, holder（41）Top right side is equipped with first motor by bolted connection（42）, first motor（42）It is defeated
Cam is connected with by shaft coupling on shaft（43）, cam（43）Positioned at first motor（42）Rear side.
3. the quick perforating device of a kind of construction material according to claim 2, which is characterized in that perforating device（6）Including
There is elevating lever（61）, fixed block（62）, contact roller（63）, spring（64）, connecting plate（65）And cylinder（66）, guide hole（5）It is interior
It is equipped with elevating lever vertically（61）, elevating lever（61）Upper weld has fixed block（62）, fixed block（62）Bottom and N-type frame（1）Top
Spring is connected between portion（64）, spring（64）It is sleeved on elevating lever（61）On, elevating lever（61）Top is equipped with contact roller
（63）, contact roller（63）With cam（43）Cooperation, elevating lever（61）Horizontal connection has company by bolted connection for bottom end
Fishplate bar（65）, connecting plate（65）Bottom is evenly spaced to be welded with cylinder（66）.
4. the quick perforating device of a kind of construction material according to claim 3, which is characterized in that further include having dust-extraction unit
（7）, dust-extraction unit（7）It include montant（71）, connecting rod（72）, water inlet pipe（73）And nozzle（74）, N-type frame（1）Inner top
Right side is connected with montant by bolted connection（71）, montant（71）Bottom left face connects by bolted connection
There is connecting rod（72）, connecting rod（72）Left end is equipped with nozzle（74）, nozzle（74）On be connected with water inlet pipe（73）.
5. the quick perforating device of a kind of construction material according to claim 4, which is characterized in that further include having pendulous device
（8）, pendulous device（8）It include sliding rail（81）, sliding block（82）, rack（83）, gear（84）And cylinder（85）, N-type frame（1）It is interior
Right side is vertically-mounted by bolted connection sliding rail（81）, sliding rail（81）Positioned at cross bar（2）Top, sliding rail（81）On
Slidably it is equipped with sliding block（82）, sliding block（82）Left side is connected with rack vertically by bolted connection（83）, N-type frame
（1）Right vertical is equipped with cylinder before top（85）, cylinder（85）By bolted connection with N-type frame（1）Connection, cylinder
（85）Telescopic rod passes through shaft coupling and rack（83）Top connects, montant（71）Lower rotational formula is equipped with gear（84）, gear
（84）With rack（83）Engagement, connecting rod（72）Right end and gear（84）Connection.
6. the quick perforating device of a kind of construction material according to claim 5, which is characterized in that first motor（42）To watch
Take motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413470.9A CN108748711A (en) | 2018-05-03 | 2018-05-03 | A kind of quick perforating device of construction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413470.9A CN108748711A (en) | 2018-05-03 | 2018-05-03 | A kind of quick perforating device of construction material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108748711A true CN108748711A (en) | 2018-11-06 |
Family
ID=64009593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810413470.9A Withdrawn CN108748711A (en) | 2018-05-03 | 2018-05-03 | A kind of quick perforating device of construction material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108748711A (en) |
-
2018
- 2018-05-03 CN CN201810413470.9A patent/CN108748711A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107199641A (en) | A kind of quick perforating device of construction material | |
| CN206169789U (en) | Cast tube inner wall processing equipment | |
| CN105522645A (en) | Automatic dicing forming equipment for hollow bricks | |
| CN105729578A (en) | Novel efficient board cutting device | |
| CN107486094A (en) | A kind of air detection instrument produces and processes special mixing plant | |
| CN203683400U (en) | Reciprocating type glaze spraying machine | |
| CN202878308U (en) | Carrying mechanical arm | |
| CN105690580A (en) | Energy-saving and efficient marble cutting machine | |
| CN107165429A (en) | A kind of building implement rapid cleaning device | |
| CN203995106U (en) | A kind of ductile iron pipe automatic code-spraying control device | |
| CN207344735U (en) | Plate punching equipment | |
| CN103659611B (en) | Slab element automatic dust removing sander | |
| CN204057221U (en) | Grabbing device | |
| CN206690351U (en) | A kind of arc stone material working machine | |
| CN108748711A (en) | A kind of quick perforating device of construction material | |
| CN108372158A (en) | A kind of laser cleaner for aircraft skin depainting | |
| CN207105303U (en) | A kind of quick perforating device of construction material | |
| CN117030331A (en) | Road and bridge detection punching sampling method | |
| CN216799217U (en) | Workshop dust falling device for premixed concrete production | |
| CN107984637A (en) | A kind of improved cutting device | |
| CN206296810U (en) | A kind of scraper-type abrasive-recovery mechanism and shot-peening or abrasive blast equipment | |
| CN212663039U (en) | Portable dust device that sprays of building site | |
| CN105082374B (en) | Hammering device for uneven surface of stone | |
| CN211250892U (en) | Ceramic tile cutting device for interior decoration | |
| CN209303365U (en) | A kind of polysilicon stone or metal plate for standing a stove on as a precaution against fire dry-cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181106 |
|
| WW01 | Invention patent application withdrawn after publication |