CN209255911U - One kind can pinpoint drilling equipment - Google Patents
One kind can pinpoint drilling equipment Download PDFInfo
- Publication number
- CN209255911U CN209255911U CN201822011511.XU CN201822011511U CN209255911U CN 209255911 U CN209255911 U CN 209255911U CN 201822011511 U CN201822011511 U CN 201822011511U CN 209255911 U CN209255911 U CN 209255911U
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- Prior art keywords
- drilling
- fixedly connected
- cursor
- positioning
- plate
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of drilling equipments, can pinpoint drilling equipment more particularly to one kind.One kind can pinpoint drilling equipment, including borehole drill construction, drilling driving mechanism, precise positioning mechanism, drilling depth regulating mechanism and base plate, the precise positioning mechanism includes rectangle crane, rectangular shaped slider, external thread rod, rotating block, cylindrical shaft, cursor, positioning plate and positioning bolt；The left end of the rectangle crane is fixedly connected on drilling depth regulating mechanism；The drilling depth regulating mechanism is fixedly connected on the left end of pedestal plate top surface；The rectangular shaped slider sliding connection is in the horizontal slide opening on the inside of rectangle crane；The utility model effectively precisely can be adjusted and be positioned to the depth of drilling, convenient for drilling to required depth.
Description
Technical field
The utility model relates to a kind of drilling equipments, can pinpoint drilling equipment more particularly to one kind.
Background technique
To part, when drilling, high-precision drilling enables to the technique of workpiece more preferable, and the machinery of workpiece is matched
Close or install more in place, so that the work piece match Du Genggao after being processed, the later period uses the time longer.Existing drilling
Bore position often occurs to be not allowed, drilling depth can not be accurately positioned, and be easy to happen the problem of skew, seriously affected zero
The using effect of part.
Utility model content
The purpose of the utility model is to provide one kind can pinpoint drilling equipment, inside be equipped with drilling depth adjust machine
Structure effectively precisely can be adjusted and be positioned to the depth of drilling, convenient for drilling to required depth；And inside it
Equipped with precise positioning mechanism, may be rotated the position for adjusting borehole drill construction, convenient for by borehole drill construction to being needed on part
The position to drill carries out accurately drilling and handles.
The purpose of this utility model is achieved through the following technical solutions:
One kind can pinpoint drilling equipment, including borehole drill construction, drilling driving mechanism, precise positioning mechanism, drilling
Depth adjusting mechanism and base plate, the precise positioning mechanism include rectangle crane, rectangular shaped slider, external thread rod, rotating block,
Cylindrical shaft, cursor, positioning plate and positioning bolt；The left end of the rectangle crane is fixedly connected on drilling depth and adjusts machine
On structure；The drilling depth regulating mechanism is fixedly connected on the left end of pedestal plate top surface；The rectangular shaped slider sliding connection
In the horizontal slide opening on the inside of rectangle crane；The rectangular shaped slider is threadedly attached on external thread rod, external thread rod
Both ends pass through the left and right ends that rolling bearing units are rotatably connected on rectangle crane respectively, and the right end of external thread rod is fixedly connected with rotation
Block；The lower end of the rectangular shaped slider is fixedly connected with cylindrical shaft；It is rotatably assorted and is connected on cylindrical shaft on the inside of the cursor；Institute
The inside uniform ring of cursor is stated around the multiple positioning jacks of setting；The bottom end of cylindrical shaft is fixedly connected with positioning plate, positioning bolt
Be threadedly attached in the internal thread hole of positioning plate, the tip clearance of positioning bolt is cooperatively connected in a positioning jack
It is interior；The upper end of the borehole drill construction, which is rotatably assorted, is connected to the outside of cursor；The drilling driving mechanism, which is fixedly connected on, to be turned
On the bottom surface of swing arm；The drilling driving mechanism is connected by meshing transmission borehole drill construction.
The drilling driving mechanism includes first servo motor and driving gear；The first servo motor passes through motor cabinet
It is fixedly connected on the bottom surface of cursor；Driving gear is fixedly connected on the output shaft of the first servo motor；The driving
Gear is connected by meshing transmission borehole drill construction.
The borehole drill construction includes driven gear, bottom surface rotation pipe, adjusting bolt, hexagonal prisms and drill bit equipped with six rib slots
Ontology；The upper end of the rotation pipe is rotatably assorted by rolling bearing units is connected to the outside of cursor；The driven gear is fixed
It is connected on rotation pipe, the driving gear is connected by meshing transmission driven gear；The upper end of the hexagonal prisms is slidably connected
In the six rib slots in rotation tube bottom face, hexagonal prisms are equipped with upper and lower multiple adjusting slots, adjust bolt and are threadedly attached in rotation
On tube, the medial gap for adjusting bolt is cooperatively connected in an adjusting slot；The lower end of the hexagonal prisms is fixedly connected with brill
Head ontology.
Be fixedly connected on the rotation pipe up and down two limit annulus, two limit annulus respectively at cursor top surface with
Bottom surface fitting.
The drilling depth regulating mechanism includes the second servo motor, lead screw, lifting supporting plate, top plate, guide-localization bar, limit
Position sliding sleeve and clamping screw；Second servo motor is fixedly connected on top plate by motor cabinet；Second servo motor
Output shaft lead screw is connected by shaft coupling, the upper and lower ends of lead screw pass through rolling bearing units respectively and are rotatably connected on top plate and pedestal
On plate；The lifting supporting plate is threadedly attached on lead screw, and lifting supporting plate is between top plate and base plate；The lifting support
Plate is slidably connected on guide-localization bar；The upper and lower ends of the guide-localization bar are respectively fixedly connected in top plate and pedestal
On plate；The limit sliding sleeve sliding connection is on guide-localization bar；Locking screw is connected through a screw thread on the limit sliding sleeve
Bolt, the medial roof of clamping screw is on guide-localization bar.
The guide-localization bar is equipped with graduation mark.
The utility model has the beneficial effects that one kind of the utility model can pinpoint drilling equipment, inside be equipped with bore
Hole depth regulating mechanism effectively precisely can be adjusted and be positioned to the depth of drilling, convenient for drilling to required
Depth；And it is internally provided with precise positioning mechanism, it may be rotated the position for adjusting borehole drill construction, convenient for passing through borehole drill construction
Accurately drilling is carried out to the position to drill on part to handle；And the utility model, using simply, it is convenient to operate, easily
In to the high-precision boring work of part progress.
Detailed description of the invention
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the overall structure diagram two of the utility model；
Fig. 3 is the structural schematic diagram of the utility model internal bore mechanism；
Fig. 4 is the structural schematic diagram of the utility model internal bore driving mechanism；
Fig. 5 is the structural schematic diagram one of precise positioning mechanism inside the utility model；
Fig. 6 is the structural schematic diagram two of precise positioning mechanism inside the utility model；
Fig. 7 is the structural schematic diagram of the utility model internal bore depth adjusting mechanism.
In figure: borehole drill construction 1；Driven gear 1-1；Rotate pipe 1-2；Adjust bolt 1-3；Hexagonal prisms 1-4；Drill body 1-
5；Drill driving mechanism 2；First servo motor 2-1；Drive gear 2-2；Precise positioning mechanism 3；Rectangle crane 3-1；Rectangle
Sliding block 3-2；External thread rod 3-3；Rotating block 3-4；Cylindrical shaft 3-5；Cursor 3-6；Position plate 3-7；Positioning bolt 3-8；It bores
Hole depth regulating mechanism 4；Second servo motor 4-1；Lead screw 4-2；Lifting supporting plate 4-3；Top plate 4-4；Guide-localization bar 4-5；Limit
Position sliding sleeve 4-6；Base plate 5.
Specific embodiment
1-7 is described in further detail the utility model with reference to the accompanying drawing.
Specific embodiment 1:
As shown in figs. 1-7, one kind can pinpoint drilling equipment, including borehole drill construction 1, drilling driving mechanism 2, precisely
Positioning mechanism 3, drilling depth regulating mechanism 4 and base plate 5, the precise positioning mechanism 3 include rectangle crane 3-1, rectangle
Sliding block 3-2, external thread rod 3-3, rotating block 3-4, cylindrical shaft 3-5, cursor 3-6, positioning plate 3-7 and positioning bolt 3-8；Institute
The left end for stating rectangle crane 3-1 is fixedly connected on drilling depth regulating mechanism 4；The drilling depth regulating mechanism 4 is fixed
It is connected to the left end of 5 top surface of base plate；The rectangular shaped slider 3-2 is slidably connected the level on the inside of rectangle crane 3-1
In slide opening；The rectangular shaped slider 3-2 is threadedly attached on external thread rod 3-3, and the both ends of external thread rod 3-3 pass through band respectively
Seat bearing is rotatably connected on the left and right ends of rectangle crane 3-1, and the right end of external thread rod 3-3 is fixedly connected with rotating block 3-4；Institute
The lower end for stating rectangular shaped slider 3-2 is fixedly connected with cylindrical shaft 3-5；It is rotatably assorted on the inside of the cursor 3-6 and is connected to cylindrical shaft
On 3-5；The inside uniform ring of the cursor 3-6 is around the multiple positioning jacks of setting；The bottom end of cylindrical shaft 3-5 is fixedly connected with positioning
Plate 3-7's, positioning bolt 3-8 is threadedly attached in the internal thread hole of positioning plate 3-7, the top of positioning bolt 3-8
Clearance fit is connected in a positioning jack；The upper end of the borehole drill construction 1, which is rotatably assorted, is connected to the outer of cursor 3-6
Side；The drilling driving mechanism 2 is fixedly connected on the bottom surface of cursor 3-6；The drilling driving mechanism 2 is connected by meshing transmission
Borehole drill construction 1.
One kind of the utility model can pinpoint drilling equipment part hole to be drilled is placed first when in use
On base plate 5, then precise positioning mechanism 3 is adjusted according to actual needs, is adjusted and is drilled by precise positioning mechanism 3
The position of mechanism 1, so that the position that the alignment of borehole drill construction 1 needs to drill, the depth then to drill according to actual needs is to drilling
Depth adjusting mechanism 4 is adjusted, and after being adjusted to suitable position, drilling driving mechanism 2 is connected to power supply and is opened, drilling is driven
Motivation structure 2 can drive borehole drill construction 1 to work after opening, and drilling depth regulating mechanism 4 is then connected to power supply and is passed through
Control switch is opened, and drilling depth regulating mechanism 4 drives the entirety of borehole drill construction 1 to move downward, by borehole drill construction 1 to be drilled
The part in hole carries out boring work, after drilling to required depth, closes drilling depth regulating mechanism 4 and drilling driving mechanism 2,
Complete boring work；The precise positioning mechanism 3 when in use, can by rotation rotating block 3-4 drive external thread rod 3-3 into
Row rotation, external thread rod 3-3 rotate when can drive rectangular shaped slider 3-2 in the horizontal slide opening on the inside of rectangle crane 3-1 into
Row sliding passes through so that the position of cylindrical shaft 3-5, cursor 3-6, positioning plate 3-7 and positioning bolt 3-8 be adjusted
The position of borehole drill construction 1 is adjusted in cursor 3-6, rotation cursor 3-6 to suitable position, then by that will position spiral shell
Bolt 3-8 is inserted into a positioning jack on cursor 3-6, realizes the fixation to 1 position of borehole drill construction on cursor 3-6.
Specific embodiment 2:
As shown in figs. 1-7, the drilling driving mechanism 2 includes first servo motor 2-1 and driving gear 2-2；Described
One servo motor 2-1 is fixedly connected on the bottom surface of cursor 3-6 by motor cabinet；The output of the first servo motor 2-1
Driving gear 2-2 is fixedly connected on axis；The driving gear 2-2 is connected by meshing transmission borehole drill construction 1.The drilling driving mechanism
2 when in use, and after first servo motor 2-1 is connected to power supply and opens, the output shaft of first servo motor 2-1 can drive driving
Gear 2-2 is rotated, and driving gear 2-2 can drive borehole drill construction 1 to carry out boring work when rotating.
Specific embodiment 3:
As shown in figs. 1-7, the borehole drill construction 1 includes driven gear 1-1, bottom surface rotation pipe 1-2, tune equipped with six rib slots
Save bolt 1-3, hexagonal prisms 1-4 and drill body 1-5；The upper end of the rotation pipe 1-2 is rotatably assorted connection by rolling bearing units
In the outside of cursor 3-6；The driven gear 1-1 is fixedly connected on rotation pipe 1-2, and the driving gear 2-2 engagement passes
Dynamic connection driven gear 1-1；The upper end sliding connection of the hexagonal prisms 1-4 is in six rib slots of the rotation bottom surface pipe 1-2, and six
Prism 1-4 is equipped with upper and lower multiple adjusting slots, adjusts bolt 1-3 and is threadedly attached on rotation pipe 1-2, adjusts bolt 1-
3 medial gap is cooperatively connected in an adjusting slot；The lower end of the hexagonal prisms 1-4 is fixedly connected with drill body 1-5.Institute
State borehole drill construction 1 when in use, driving gear 2-2 can drive driven gear 1-1 to be rotated when rotating, driven gear 1-1
Rotation pipe 1-2 can be driven to be rotated when rotation, rotation pipe 1-2 can drive hexagonal prisms 1-4 and drill body 1-5 when rotating
It is rotated, the boring work to part is realized by drill body 1-5；The hexagonal prisms 1-4 is inserted into the rotation bottom surface pipe 1-2
The position of six rib slots can be adjusted, after adjusting can by will adjust bolt 1-3 be inserted into adjust slot position, just
It is used when being suitable for carrying out the boring work of different depth.
Specific embodiment 4:
As shown in figs. 1-7, two limit annulus up and down, two limit annulus difference are fixedly connected on the rotation pipe 1-2
It is bonded in the top and bottom of cursor 3-6.Two limit annulus play the role of axially position.
Specific embodiment 5:
As shown in figs. 1-7, the drilling depth regulating mechanism 4 includes the second servo motor 4-1, lead screw 4-2, lifting supporting plate
4-3, top plate 4-4, guide-localization bar 4-5, limit sliding sleeve 4-6 and clamping screw；The second servo motor 4-1 passes through motor cabinet
It is fixedly connected on top plate 4-4；The output shaft of the second servo motor 4-1 connects lead screw 4-2, lead screw 4-2 by shaft coupling
Upper and lower ends pass through rolling bearing units respectively and be rotatably connected on top plate 4-4 and base plate 5；The lifting supporting plate 4-3 passes through spiral shell
Line is connected on lead screw 4-2, and lifting supporting plate 4-3 is between top plate 4-4 and base plate 5；The lifting supporting plate 4-3 is slidably matched
It is connected on guide-localization bar 4-5；The upper and lower ends of the guide-localization bar 4-5 are respectively fixedly connected in top plate 4-4 and pedestal
On plate 5；The limit sliding sleeve 4-6 sliding connection is on guide-localization bar 4-5；Pass through screw thread on the limit sliding sleeve 4-6
Clamping screw is connected, the medial roof of clamping screw is on guide-localization bar 4-5.The drilling depth regulating mechanism 4 when in use,
Position of the sliding sleeve 4-6 on guide-localization bar 4-5 can be limited according to the depth adjustment of required drilling, by tightening after adjusting
Clamping screw positions position of the limit sliding sleeve 4-6 on guide-localization bar 4-5, lifting supporting plate 4-3 and limit sliding sleeve 4-6
The distance between be drilling depth, when needing to drill, the second servo motor 4-1 is connected to and power supply and is opened by control switch
It opens, the second servo motor 4-1 can drive lead screw 4-2 to be rotated after opening, and lead screw 4-2 can drive lifting supporting plate when rotating
4-3 moves up and down, and the bottom surface by controlling lifting supporting plate 4-3 is bonded with the top surface of limit sliding sleeve 4-6, can pass through lifting
Supporting plate 4-3 drives drilling driving mechanism 2 and borehole drill construction 1 in precise positioning mechanism 3 to be moved, to pass through borehole drill construction
1 realizes the accurate boring work to part different depth.
The guide-localization bar 4-5 is equipped with graduation mark.
The utility model has the following beneficial effects: one kind of the utility model can pinpoint drilling equipment, when in use,
Part hole to be drilled is placed on base plate 5 first, then precise positioning mechanism 3 is adjusted according to actual needs, is led to
The position that precise positioning mechanism 3 adjusts borehole drill construction 1 is crossed, so that the position that the alignment of borehole drill construction 1 needs to drill, then according to reality
Border needs the depth to drill that drilling depth regulating mechanism 4 is adjusted, after being adjusted to suitable position, by the driving mechanism that drills
2 connection power supplys are simultaneously opened, and drilling driving mechanism 2 can drive borehole drill construction 1 to work after opening, then by drilling depth tune
It saves mechanism 4 to be connected to power supply and open by control switch, drilling depth regulating mechanism 4 drives the whole fortune downwards of borehole drill construction 1
It is dynamic, boring work is carried out to part hole to be drilled by borehole drill construction 1, after drilling to required depth, closes drilling depth tune
Mechanism 4 and drilling driving mechanism 2 are saved, boring work is completed；The precise positioning mechanism 3 when in use, can be turned by rotation
Motion block 3-4 drives external thread rod 3-3 to be rotated, and external thread rod 3-3 can drive rectangular shaped slider 3-2 to go up and down in rectangle when rotating
It is slided in horizontal slide opening on the inside of frame 3-1, thus to cylindrical shaft 3-5, cursor 3-6, positioning plate 3-7 and positioning bolt
The position of 3-8 is adjusted, and is adjusted by position of the cursor 3-6 to borehole drill construction 1, and cursor 3-6 is to suitable for rotation
Position, then by realizing to cursor 3-6 in a positioning jack that positioning bolt 3-8 is inserted on cursor 3-6
The fixation of upper 1 position of borehole drill construction.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (6)
1. one kind can pinpoint drilling equipment, including borehole drill construction (1), drilling driving mechanism (2), precise positioning mechanism
(3), drilling depth regulating mechanism (4) and base plate (5), it is characterised in that: the precise positioning mechanism (3) includes rectangle lifting
Frame (3-1), rectangular shaped slider (3-2), external thread rod (3-3), rotating block (3-4), cylindrical shaft (3-5), cursor (3-6), positioning
Plate (3-7) and positioning bolt (3-8)；The left end of the rectangle crane (3-1) is fixedly connected on drilling depth regulating mechanism
(4) on；The drilling depth regulating mechanism (4) is fixedly connected on the left end of base plate (5) top surface；The rectangular shaped slider (3-2)
Sliding connection is in the horizontal slide opening on the inside of rectangle crane (3-1)；The rectangular shaped slider (3-2) is threadedly attached in
On external thread rod (3-3), the both ends of external thread rod (3-3) pass through rolling bearing units respectively and are rotatably connected on rectangle crane (3-1)
Left and right ends, the right end of external thread rod (3-3) is fixedly connected with rotating block (3-4)；The lower end of the rectangular shaped slider (3-2) is fixed
Connecting cylinder axis (3-5)；It is rotatably assorted and is connected on cylindrical shaft (3-5) on the inside of the cursor (3-6)；The cursor
The inside uniform ring of (3-6) is around the multiple positioning jacks of setting；The bottom end of cylindrical shaft (3-5) is fixedly connected with positioning plate (3-7), fixed
Position bolt (3-8) is threadedly attached in the internal thread hole of positioning plate (3-7), the tip clearance of positioning bolt (3-8)
It is cooperatively connected in a positioning jack；The upper end of the borehole drill construction (1), which is rotatably assorted, is connected to the outer of cursor (3-6)
Side；The drilling driving mechanism (2) is fixedly connected on the bottom surface of cursor (3-6)；Drilling driving mechanism (2) engagement passes
Dynamic connection borehole drill construction (1).
2. one kind according to claim 1 can pinpoint drilling equipment, it is characterised in that: the drilling driving mechanism
It (2) include first servo motor (2-1) and driving gear (2-2)；The first servo motor (2-1) connects by the way that motor cabinet is fixed
It connects on the bottom surface of cursor (3-6)；Driving gear (2-2) is fixedly connected on the output shaft of the first servo motor (2-1)；
The driving gear (2-2) is connected by meshing transmission borehole drill construction (1).
3. one kind according to claim 2 can pinpoint drilling equipment, it is characterised in that: the borehole drill construction (1)
The rotation pipe (1-2) of six rib slots is equipped with including driven gear (1-1), bottom surface, adjusts bolt (1-3), hexagonal prisms (1-4) and drill bit
Ontology (1-5)；The upper end of the rotation pipe (1-2) is rotatably assorted by rolling bearing units is connected to the outside of cursor (3-6)；Institute
It states driven gear (1-1) to be fixedly connected on rotation pipe (1-2), the driving gear (2-2) is connected by meshing transmission driven gear
(1-1)；The upper end sliding connection of the hexagonal prisms (1-4) is in the six rib slots of rotation pipe bottom surface (1-2), hexagonal prisms (1-
4) upper and lower multiple adjusting slots are equipped with, bolt (1-3) is adjusted and is threadedly attached on rotation pipe (1-2), adjust bolt (1-
3) medial gap is cooperatively connected in an adjusting slot；The lower end of the hexagonal prisms (1-4) is fixedly connected with drill body (1-
5)。
4. one kind according to claim 3 can pinpoint drilling equipment, it is characterised in that: (1-2) is managed in the rotation
On be fixedly connected up and down two limit annulus, two limit annulus respectively at cursor (3-6) top and bottom fitting.
5. one kind according to claim 1 can pinpoint drilling equipment, it is characterised in that: the drilling depth is adjusted
Mechanism (4) includes the second servo motor (4-1), lead screw (4-2), lifting supporting plate (4-3), top plate (4-4), guide-localization bar (4-
5) sliding sleeve (4-6) and clamping screw, are limited；Second servo motor (4-1) is fixedly connected on top plate (4-4) by motor cabinet
On；The output shaft of second servo motor (4-1) connects lead screw (4-2) by shaft coupling, the upper and lower ends point of lead screw (4-2)
It is not rotatably connected on top plate (4-4) and base plate (5) by rolling bearing units；The lifting supporting plate (4-3) is connected through a screw thread
On lead screw (4-2), lifting supporting plate (4-3) is located between top plate (4-4) and base plate (5)；Lifting supporting plate (4-3) sliding
It is cooperatively connected on guide-localization bar (4-5)；The upper and lower ends of the guide-localization bar (4-5) are respectively fixedly connected in top plate
On (4-4) and base plate (5)；Limit sliding sleeve (4-6) sliding connection is on guide-localization bar (4-5)；The limit
Clamping screw is connected through a screw thread on sliding sleeve (4-6), the medial roof of clamping screw is on guide-localization bar (4-5).
6. one kind according to claim 5 can pinpoint drilling equipment, it is characterised in that: the guide-localization bar
(4-5) is equipped with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011511.XU CN209255911U (en) | 2018-12-03 | 2018-12-03 | One kind can pinpoint drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011511.XU CN209255911U (en) | 2018-12-03 | 2018-12-03 | One kind can pinpoint drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209255911U true CN209255911U (en) | 2019-08-16 |
Family
ID=67565434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822011511.XU Expired - Fee Related CN209255911U (en) | 2018-12-03 | 2018-12-03 | One kind can pinpoint drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209255911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963051A (en) * | 2020-08-21 | 2020-11-20 | 广州易鑫建筑工程有限公司 | Drilling equipment for building construction foundation |
| CN112872352A (en) * | 2021-02-01 | 2021-06-01 | 四川一然新材料科技有限公司 | Clamping and rotating device for machining outer wall of double-hole discharging sintering pressed compact |
| CN114888335A (en) * | 2022-05-07 | 2022-08-12 | 山东桓台建设工程有限公司 | Drilling equipment is used in civil engineering construction convenient to location |
-
2018
- 2018-12-03 CN CN201822011511.XU patent/CN209255911U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963051A (en) * | 2020-08-21 | 2020-11-20 | 广州易鑫建筑工程有限公司 | Drilling equipment for building construction foundation |
| CN112872352A (en) * | 2021-02-01 | 2021-06-01 | 四川一然新材料科技有限公司 | Clamping and rotating device for machining outer wall of double-hole discharging sintering pressed compact |
| CN112872352B (en) * | 2021-02-01 | 2022-06-03 | 四川一然新材料科技有限公司 | Clamping and rotating device for machining outer wall of double-hole discharging sintering pressed compact |
| CN114888335A (en) * | 2022-05-07 | 2022-08-12 | 山东桓台建设工程有限公司 | Drilling equipment is used in civil engineering construction convenient to location |
| CN114888335B (en) * | 2022-05-07 | 2023-11-03 | 山东桓台建设工程有限公司 | Drilling equipment is used in civil engineering construction convenient to location |
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Legal Events
| 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: 20190816 Termination date: 20191203 |