CN208089222U - The embedding lithotype drilling machine gantry type drill bit device of long spire - Google Patents
The embedding lithotype drilling machine gantry type drill bit device of long spire Download PDFInfo
- Publication number
- CN208089222U CN208089222U CN201721197102.2U CN201721197102U CN208089222U CN 208089222 U CN208089222 U CN 208089222U CN 201721197102 U CN201721197102 U CN 201721197102U CN 208089222 U CN208089222 U CN 208089222U
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- door frame
- gear wheel
- apex point
- drill rod
- long screw
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Abstract
The embedding lithotype drilling machine gantry type drill bit device of the claimed long spire of the utility model; including long screw drill rod; gantry type drill bit on long screw drill rod; wherein gantry type drill bit includes the left riser of door frame, the right riser of door frame set on valve both sides; the left reinforcing plate of helical blade being welded on the left riser of door frame; the right reinforcing plate of helical blade and the escape pipe being welded on the right riser of door frame；The left riser of door frame is connect with the bottom end of the right riser of door frame with batten in door frame, and door-shape cavity is collectively formed in batten in the left riser of the door frame, the right riser of door frame and door frame；The bottom end of batten and door frame side slat plate is connected with the left gear wheel apex point, middle gear wheel apex point and right gear wheel apex point for tilting arrangement along clockwise direction in turn in the left reinforcing plate of the helical blade, door frame.When the utility model at work, without promoting long screw drill rod that can fill extrusion concrete, have pile quality good, construction efficiency is high, the big and easy to operate advantage of drilling construction penetration power.
Description
Technical field
The utility model belongs to the drilling of technical field of civil engineering pile foundation and filling concrete construction technology, and in particular to
A kind of embedding lithotype drilling machine gantry type drill bit device of long spire.
Background technology
With the development of national economic development and the continuous research and development and application of piling Technology, when engineering geology is soft or hard
When soil layer is alternately and weathered rocks buried depth is not deep, in weathered rocks as middle-high building pile-base supporting layer also more and more
Extensively.
When pile foundation type is designed as cast-in-situ bored pile, applicable impact stake machine or long auger stake machine, and long screw auger
The construction efficiency of hole stake machine is more much higher than impact stake machine, that is, passes through hard stratum (in the close above sand, gravel layer) and weathering base
The ability of rock is strong.But the gantry type drill bit of traditional long spire stake machine when weathered rocks projected depth, needs to promote in arrival
Valve (valve bottom is connected with gantry type drill bit) guncreting could be opened after tens centimetres, cause bottom hole sediment that cannot fill
It point is stirred uniformly by the concrete that pressure pours into, i.e., the intensity of design is often not achieved in stake end concrete, this is one crucial scarce
Point.Gantry type drill bit (valve is in closed state) See Figure of traditional long spire stake machine.
Current existing long auger stake machine is just like the embedding lithotype stake machine of the long spire of Patent No. ZL2014101324879
Rake gantry type drill bit device, and the bottom end for specifically disclosing the core pipe of long screw drill rod is the gantry type drill bit with valve,
And in order to increase the drilling ability of long screw drill rod, also welds two gantry type drill bits in the bottom end of helical blade and harrowed, two
The stake stomidium for forming pot bottom-shape is crept into together with gantry type drill bit in gantry type drill bit rake separation gantry type drill bit both sides.Pumping
Concrete auxiliary device is connected to the core pipe of long screw drill rod.This machine further includes water storage box, high-pressure pump, rubber water pipe, water conveyance steel tube
With two nozzles, water storage box, high-pressure pump, rubber water pipe, water conveyance steel tube and two nozzles are sequentially communicated, and water conveyance steel tube is welded on length
In the core pipe of auger stem, water conveyance steel tube lower end bifurcated is two and is in charge of respectively with what two nozzles were connected to.Each nozzle welding
On the gantry type drill bit rake of long screw drill rod.
The embedding lithotype stake machine rake gantry type drill bit device of above-mentioned long spire realizes the bored pile on middle weathered rocks,
But the device is since valve plate back welding is connected to gantry type drill bit, gantry type drill bit rake teeth of this gantry type drill bit than both sides
It is low, therefore before pumping guncreting after weathered rocks designed elevation in being drilled into, it need to first promote long screw drill rod gantry type drill bit
Valve pressure could be opened and fill out concrete, can not only influence the quality of pile in this way, but also also reduce working efficiency；Another party
Face due to the gear wheel apex point of the device rectangular cross-section, correspond to centering weathered rocks and its more than hard stratum (gravel, gravel
Sand and power weathering, severely-weathered basement rock) rotary cut it is more difficult, and wear after gear wheel apex point be not easy to replace, to reduce work
Efficiency.
Utility model content
The purpose of this utility model is to provide a kind of embedding lithotype drilling machine doors of long spire for solving above-mentioned technical problem
Posture drill bit device.
Specifically：The embedding lithotype drilling machine gantry type drill bit device of long spire provided by the utility model, including long screw auger
Bar, is collectively formed the inner core tube of ring cavity in long screw drill rod in long screw drill rod and with long screw drill rod, and passes through interior six
Square joint is connected to the gantry type drill bit on long screw drill rod；The bottom end of the long screw drill rod is equipped with sets inner core tube for covering
The valve in concrete channel, wherein the valve side is fixed on hinge on long screw drill rod, the other side passes through valve button and long spiral shell
Rotary drill bar connects；The gantry type drill bit includes the left riser of door frame, the right riser of door frame set on valve both sides, is welded on a door frame left side
The left reinforcing plate of helical blade on riser, the right reinforcing plate of helical blade being welded on the right riser of door frame, and cut with scissors on valve
The side of chain and the escape pipe being connected to ring cavity in long screw drill rod；The left reinforcing plate of wherein described helical blade and long screw drill rod
On helical blade be connected, the door frame side slat being laterally fixed on the right reinforcing plate of helical blade and the right riser bottom end of door frame
Plate connects；The left riser of door frame is connect with the bottom end of the right riser of door frame with batten in door frame, and the left riser of the door frame, door frame
Door-shape cavity is collectively formed in batten in right riser and door frame；Batten and door frame side slat plate in the left reinforcing plate of the helical blade, door frame
Bottom end be connected with the left gear wheel apex point, middle gear wheel apex point and right gear wheel apex point for tilting arrangement along clockwise direction in turn, wherein
The middle gear wheel apex point is extended downwardly relative to left gear wheel apex point and right gear wheel drill bit part.
It tilts and is placed with along clockwise direction as the preferred embodiment of the utility model, in the left reinforcing plate of helical blade
3 left gear wheel apex points tilt in the door frame on batten and are placed with 4 middle gear wheel apex points, the door frame side along clockwise direction
It is tilted along clockwise direction on batten and is placed with 3 right gear wheel apex points.
As the preferred embodiment of the utility model, batten is set as horizontal structure in the door frame, item in the door frame
2 middle gear wheel apex points in 4 middle gear wheel apex points being fixed on plate are vertically arranged relative to batten in door frame.
As the preferred embodiment of the utility model, each left gear wheel apex point, middle gear wheel apex point and right gear wheel apex point include
Apex point main body, and the alloy apex point in apex point main body, wherein the cross section of the alloy apex point is set as conical, and with
Between apex point main body fixation is attached with engagement thread.
As the preferred embodiment of the utility model, described device includes stake machine, be set to stake machine on main electrical hoist, plus
Hoist engine, air compressor machine and mainmast, power head and concrete pump are pressed, wherein the power head is connect with long screw drill rod downwards；It is described
It is attached with steel wire traction rope between main electrical hoist and power head, wherein the steel wire traction rope pile warp is fixed on mainmast
The masthead pulley of bar topgallant top beam；Pulley blocks are provided on the power head, and the pressurization hoist engine passes through the steel wire rope that pressurizes
It is connect with power head by way of pulley blocks；The air compressor machine passes through ring cavity in the long screw drill rod in gas transmission leather hose and long screw drill rod
It is connected, the concrete pump is connected by pumping concrete leather hose with the inner core tube in long screw drill rod.
As the preferred embodiment of the utility model, the stake machine is provided with a machine chassis in the side of near floor level, with right
Stake machine is supported.
Due to the application of above-mentioned technical proposal, the utility model has the advantages that compared to the prior art：
The embedding lithotype stake gate posture drill bit device of long spire disclosed in the utility model, by rational structure setting,
So that the device is at work, concrete (valve automatically opens) is extruded without promoting long screw drill rod that can fill, in length
It is when auger stem drives gantry type bit, concrete and bottom hole sediment mix is uniform, ensure that pile body bottom end does not have loosened soil,
Its compared with prior art, not only pile quality is good, but also construction efficiency is high, while left gear wheel apex point, the middle rotary drill of the device
Sharp and right gear wheel apex point be easier rotary cut formula bore broken middle weathered rocks and its more than hard stratum it is (gravel, gravelly sand and completely decomposed, strong
Weathered rocks), drilling construction penetration power is big and easy to operate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embedding lithotype stake gate posture drill bit device of long spire provided by the utility model.
Fig. 2 is the structural schematic diagram of gantry type drill bit in the utility model.
Fig. 3 is A-A sectional views in Fig. 2.
Fig. 4 is B-B sectional views in Fig. 2.
Fig. 5 is C-C sectional views in Fig. 2.
Wherein, 10, stake machine；11, stake machine chassis；20, main electrical hoist；21, steel wire traction rope；22, masthead pulley；
30, pressurize hoist engine；31, pressurize steel wire rope；40, air compressor machine；41, gas transmission leather hose；50, mainmast；51, masthead beam；60, power
Head；61, motor；62, pulley blocks；70, concrete pumps；71, pumping concrete leather hose；80, long screw drill rod；81, long screw drill rod inner ring
Chamber；82, inner core tube；83, valve；84, helical blade；90, gantry type drill bit；91, the left riser of door frame；92, the right riser of door frame；
93, the left reinforcing plate of helical blade；94, the right reinforcing plate of helical blade；95, escape pipe；96, door frame side slat plate；97, item in door frame
Plate；100, door-shape cavity；831, hinge；832, valve button；890, interior six square joint；981, left gear wheel apex point；982, middle rotary drill
Point；983, right gear wheel apex point.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
- Fig. 5 is please referred to Fig.1, the embedding lithotype stake gate posture drill bit device of the claimed long spire of the utility model is answered
Drilling and filling concrete on the middle weathered rocks.
Specifically, the embedding lithotype stake gate posture drill bit device of the long spire of the utility model includes stake machine 10, is set to stake machine
Main electrical hoist 20, pressurization hoist engine 30, air compressor machine 40 and mainmast 50, power head 60 on 10 are set in power head 60
Motor 61, concrete pump 70, be connected to long screw drill rod 80 and gantry type drill bit 90 on power head 60.Wherein, the stake machine 10
The side of near floor level is provided with a machine chassis 11, to be supported to stake machine 10；The main electrical hoist 20 and power
It is attached with steel wire traction rope 21 between first 60, the steel wire traction rope 21 is specifically that pile warp is fixed on masthead on mainmast 50
The masthead pulley 22 of beam 51；Pulley blocks 62 are provided on the power head 60, and the pressurization hoist engine 30 passes through the steel that pressurizes
Cord 31 is connect by way of pulley blocks 62 with power head 60；The air compressor machine 40 passes through in gas transmission leather hose 41 and long screw drill rod 80
Ring cavity 81 is connected in long screw drill rod, with the conveying in ring cavity 81 in the long screw drill rod of long screw drill rod 80 with air compressor machine 40
Compressed air, concrete pump 70 is connected with the inner core tube 82 in long screw drill rod 80 by pumping concrete leather hose 71, with
The concrete perfusion in the inner core tube 82 of long screw drill rod 80 of concrete pump 70.
Wherein, inner core tube 82, and the inner core tube 82 and long screw drill rod 80 are provided in the long screw drill rod 80
Ring cavity 81 in long screw drill rod are together formed between two side, and the bottom end of the long screw drill rod 80 is equipped with and sets inner core for covering
The valve 83 in concrete channel on pipe 82, wherein 83 side hinge 831 of the valve is fixed on long screw drill rod 80, the other side is logical
Knocker 832 of making a living is connect with long screw drill rod 80.In this way when concrete pump 70 by pumping concrete leather hose 71 toward the concrete channel of inner core tube 82
When guncreting, the concrete being perfused can push down on valve 83, make valve button 832 on valve 83 from long screw drill rod
The function that the coagulation soil pressure opened on 80, and then realize the device fills.
In the present embodiment, the gantry type drill bit 90 is specifically and is carried out with long screw drill rod 80 with interior six square joint 890
Connection, it will be understood that the present embodiment is hinged with long screw drill rod 80 and gantry type drill bit 90 with interior six square joint 890, compared to existing
Have in technology and be attached with ring flange, the tightness being connect with gantry type drill bit 90 to long screw drill rod 80 is more preferable, and long
During driving gantry type drill bit 90 to drill, the intensity bigger of itself of interior six square joint 890 is not easy to turn round auger stem 80
It is disconnected.
Wherein, the gantry type drill bit 90 includes the left riser 91 of door frame, the right riser 92 of door frame set on 83 both sides of valve, weldering
The left reinforcing plate 93 of helical blade being connected on the left riser of door frame 91, the right reinforcing plate of helical blade being welded on the right riser of door frame 92
94, and set on the side of 83 upper hinge 831 of valve and the escape pipe 95 that is connected to ring cavity 81 in long screw drill rod 80.The spiral
The left reinforcing plate 93 of blade is connected with the helical blade 84 on long screw drill rod 80, the right reinforcing plate 94 of the helical blade and door frame
The door frame side slat plate 96 being laterally fixed on 92 bottom end of right riser connects.
Batten 97 is connect in the bottom end door frame of the right riser of the left riser 91 of door frame and door frame 92, and the door frame left side is perpendicular
A door-shape cavity 100 is collectively formed in batten 97 in the right riser 92 of plate 91, door frame and door frame.It is appreciated that the door-shape cavity 100 is specific
It is provided in the lower section of valve 83 on long screw drill rod 80, to provide the fortune done after valve 83 is opened from long screw drill rod 80
Dynamic space.That is, the valve 83 of the present embodiment can be opened in door-shape cavity 100.The device of this sample embodiment is in perfusion coagulation
When native, the soil of 83 lower section of valve can be blown off with escape pipe 95, pressure then can be directly filled by concrete so that valve button
832 open, and then around hinge 831 is rotated down valve 83 in door-shape cavity 100, that is, realize without promoting long screw drill rod 80
Extrusion concrete can be filled, thus when long screw drill rod 80 drives gantry type drill bit 90 to rotate, by concrete and bottom hole sediment
Mix is uniform, ensures that pile body bottom end does not have loosened soil.
In the present embodiment, batten 97 is set as horizontal structure in the door frame, and the gantry type drill bit 90 is in spiral
The bottom end of batten 97 and door frame side slat plate 96 is connected with left gear wheel apex point 981, middle gear wheel in turn in the left reinforcing plate 93 of blade, door frame
Apex point 982 and right gear wheel apex point 983, wherein the left gear wheel apex point 981, middle gear wheel apex point 982 and right gear wheel apex point 983 are edges
Arrangement setting is tilted clockwise, and the middle gear wheel apex point 982 is relative to left gear wheel apex point 981 and right gear wheel apex point 983
Part extends downwardly, in order to drill.
It is appreciated that the left gear wheel apex point 981 of drilling, middle gear wheel will be specifically used on the gantry type drill bit 90 of the present embodiment
Apex point 982 and right gear wheel apex point 983 are set as tilting arrangement setting along clockwise direction, with the motor 61 in power head 60
It drives long screw drill rod 80 to carry out rotation clockwise at work to match, more easily rotary cut formula can bore broken middle weathering in this way
Basement rock and its more than hard stratum (gravel, gravelly sand and completely decomposed, severely-weathered basement rock).It of courses and needs specification, this reality
The left gear wheel apex point 981 in the drilling 90 of example, middle gear wheel apex point 982 and right gear wheel apex point 983 is applied to may be set to be along the inverse time
Needle side tilts arrangement setting, and correspondingly the motor 61 in power head 60 also needs to become that long screw drill rod 80 is driven to revolve counterclockwise
Turn.
In the present embodiment, 3 left gear wheel apex points 981 are specifically provided in the left reinforcing plate of the helical blade 93, it is described
4 middle gear wheel apex points 982 are specifically provided in door frame on batten 97,3 right teeth are specifically provided on the door frame side slat plate 96
Take turns apex point 983；And 2 middle 982 phases of gear wheel apex point in 4 middle gear wheel apex points 982 being fixed on batten 97 in the door frame
Batten in door frame 97 is vertically arranged so that the gantry type drill bit 90 more easily rotary cut formula bore broken middle weathered rocks and its with
On hard stratum.
Wherein, each left gear wheel apex point 981, middle gear wheel apex point 982 and right gear wheel apex point 983 on the gantry type drill bit 90
Its structure is identical, specifically, including apex point main body (not shown), and the alloy apex point in apex point main body, wherein the conjunction
The cross section of golden apex point is set as cone, and is to be attached fixation with engagement thread between apex point main body.Such people
Using the gantry type drill bit 90 carry out rotary cut formula bore broken middle weathered rocks and its more than hard stratum when, alloy apex point due to
Be with middle weathered rocks and its more than hard stratum directly act on, abrasion is more severe, the present embodiment pass through more than structure
The alloy apex point of serious wear, can directly be replaced by setting, compared with prior art the rectangular apex point in middle cross section,
Not only drilling construction penetration power is big, but also has been convenient for subsequent repair and replacement.
From the foregoing, it will be observed that the embedding lithotype drilling machine gantry type drill bit device of the long spire of the utility model is in specific constructed,
Specifically include step：
(1), stake machine 10 is in place, corrects the verticality of long screw drill rod 80, and mobile stake machine chassis 11 makes long screw drill rod 80
The center of the axis align piles position of the gantry type drill bit 90 of bottom end.
(2), start the motor 61 in power head 60, drive long screw drill rod 80 and its gantry type drill bit 90 of bottom end,
And sub-surface is rotatably pierced, the soil body is sent with 84 extrusion type of helical blade of 80 periphery of long screw drill rod to ground.
(3) while starting air compressor machine 40, compressed air enters ring cavity in long screw drill rod through gas transmission leather hose 41, through door frame
95 churning of escape pipe of formula drill bit 90 goes out compressed air, constantly removes the soil body of 100 position of door-shape cavity adherency.
(4), when the gantry type drill bit 90 of 80 bottom end of long screw drill rod is touched to gravel layer and weathered rocks, i.e. startup pressurization volume
Machine 30 is raised, through being overpressurized the pulley blocks 62 of 60 back side of steel wire rope 31 and power head, power head 60 is made to pressurize through long screw drill rod 80
To gantry type drill bit 90, left gear wheel apex point 981, middle gear wheel apex point 982 and the rotation of right gear wheel apex point 983 of 90 bottom end of gantry type drill bit
It cuts formula and bores crushed-gravel layer and decayed rock, the soil body and rubble as helical blade 84 pushes to ground.
(5), drilling starts concrete pump 70, concrete mix passes through pumping concrete skin up to closing air compressor machine 40 after designed elevation
Pipe 71 and inner core tube 82 reach valve 83, and valve 83 automatically opens valve button 832, mix under the pressure effect of pump pressure concrete
Solidifying soil is full of door-shape cavity 100 and gantry type drill bit 90.
(6), gantry type bores 90 and continues to rotate (not promoting) 30s~60s in guncreting, makes concrete and bottom hole office
Portion's sediment (rock debris) stirs evenly.
(7), long screw drill rod 80, one side uninterrupted pumping guncreting are promoted on one side, until the superfilled absolute altitude of stake top, is closed
Concrete pump 70, and mobile stake machine 10.
(8), in the stake holes of concrete perfusion steel reinforcement cage pile is inserted into using vibration hammer (not shown).
To sum up, the embedding lithotype stake gate posture drill bit device of long spire disclosed in the utility model, passes through rational structure
Setting so that the device extrudes concrete (valve automatically opens) at work, without promoting long screw drill rod that can fill, to
It is when long screw drill rod drives gantry type bit, concrete and bottom hole sediment mix is uniform, ensure that pile body bottom end does not have
Loosened soil, compared with prior art, not only pile quality is good, but also construction efficiency is high, while left gear wheel apex point, the dens in dente of the device
Wheel apex point and right gear wheel apex point be easier rotary cut formula bore broken middle weathered rocks and its more than hard stratum (gravel, gravelly sand and full blast
Change, severely-weathered basement rock), drilling construction penetration power is big and easy to operate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of embedding lithotype drilling machine gantry type drill bit device of long spire, including long screw drill rod, be set in long screw drill rod and with
The inner core tube of ring cavity in long screw drill rod is collectively formed in long screw drill rod, and is connected on long screw drill rod by interior six square joint
Gantry type drill bit；The bottom end of the long screw drill rod is equipped with for covering the valve for setting concrete channel in inner core tube, wherein the work
Door side is fixed on hinge on long screw drill rod, and the other side is connect by valve button with long screw drill rod；It is characterized in that：Institute
It includes the left riser of door frame, the right riser of door frame set on valve both sides, the spiral being welded on the left riser of door frame to state gantry type drill bit
The left reinforcing plate of blade, the right reinforcing plate of helical blade being welded on the right riser of door frame, and set on the side of valve upper hinge and with
The escape pipe that ring cavity is connected in long screw drill rod；The wherein described left reinforcing plate of helical blade and the helical blade on long screw drill rod
It is connected, the right reinforcing plate of helical blade is connect with the door frame side slat plate being laterally fixed on the right riser bottom end of door frame；It is described
The left riser of door frame is connect with the bottom end of the right riser of door frame with batten in door frame, and the left riser of the door frame, the right riser of door frame and door
Door-shape cavity is collectively formed in batten in frame；The bottom end of batten and door frame side slat plate is successively in the left reinforcing plate of the helical blade, door frame
It is connected with the left gear wheel apex point, middle gear wheel apex point and right gear wheel apex point for tilting arrangement along clockwise direction, wherein the dens in dente wheel
Apex point is extended downwardly relative to left gear wheel apex point and right gear wheel drill bit part.
2. the embedding lithotype drilling machine gantry type drill bit device of long spire according to claim 1, it is characterised in that：The helical-blade
It is tilted along clockwise direction in the left reinforcing plate of piece and is placed with 3 left gear wheel apex points, in the door frame on batten along clockwise direction
Inclination is placed with 4 middle gear wheel apex points, is tilted along clockwise direction on the door frame side slat plate and is placed with 3 right gear wheel apex points.
3. the embedding lithotype drilling machine gantry type drill bit device of long spire according to claim 2, it is characterised in that：In the door frame
Batten is set as horizontal structure, 2 middle gear wheel apex point phases in 4 middle gear wheel apex points being fixed on batten in the door frame
Batten in door frame is vertically arranged.
4. the embedding lithotype drilling machine gantry type drill bit device of long spire according to claim 1, it is characterised in that：Each left gear wheel
Apex point, middle gear wheel apex point and right gear wheel apex point include apex point main body, and the alloy apex point in apex point main body, wherein described
The cross section of alloy apex point is set as cone, and is attached fixation with engagement thread between apex point main body.
5. according to any embedding lithotype drilling machine gantry type drill bit devices of long spire of claim 1-4, it is characterised in that：It is described
Device includes stake machine, the main electrical hoist, pressurization hoist engine, air compressor machine on stake machine and mainmast, power head and concrete
Pump, wherein the power head is connect with long screw drill rod downwards；Steel wire traction is used between the main electrical hoist and power head
Rope is attached, wherein the steel wire traction rope pile warp is fixed on the masthead pulley of mainmast topgallant top beam；On the power head
Pulley blocks are provided with, and the pressurization hoist engine is connect by way of pulley blocks with power head by the steel wire rope that pressurizes；The air compressor machine
It is connected with ring cavity in the long screw drill rod in long screw drill rod by gas transmission leather hose, the concrete pump passes through pumping concrete leather hose and length
Inner core tube in auger stem is connected.
6. the embedding lithotype drilling machine gantry type drill bit device of long spire according to claim 5, it is characterised in that：The stake machine exists
The side of near floor level is provided with a machine chassis, to be supported to stake machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197102.2U CN208089222U (en) | 2017-09-19 | 2017-09-19 | The embedding lithotype drilling machine gantry type drill bit device of long spire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197102.2U CN208089222U (en) | 2017-09-19 | 2017-09-19 | The embedding lithotype drilling machine gantry type drill bit device of long spire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089222U true CN208089222U (en) | 2018-11-13 |
Family
ID=64067514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197102.2U Expired - Fee Related CN208089222U (en) | 2017-09-19 | 2017-09-19 | The embedding lithotype drilling machine gantry type drill bit device of long spire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208089222U (en) |
-
2017
- 2017-09-19 CN CN201721197102.2U patent/CN208089222U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210919 |