CN112922528A - Drilling machine with drilling, reinforcing and supporting functions and automatic soil and crushed slag shaking-off function - Google Patents
Drilling machine with drilling, reinforcing and supporting functions and automatic soil and crushed slag shaking-off function Download PDFInfo
- Publication number
- CN112922528A CN112922528A CN202110306622.7A CN202110306622A CN112922528A CN 112922528 A CN112922528 A CN 112922528A CN 202110306622 A CN202110306622 A CN 202110306622A CN 112922528 A CN112922528 A CN 112922528A
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- fixedly connected
- shaking
- drill bit
- drilling
- driving rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 65
- 239000002689 soil Substances 0.000 title claims abstract description 16
- 239000002893 slag Substances 0.000 title claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 title abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling machine for drilling, reinforcing and supporting and automatically shaking off soil and crushed slag, which comprises a fixed shell, a driving rod, a sliding block, a power starting mechanism and a limiting fixture block mechanism which are arranged in the fixed shell, a drill bit mechanism arranged in the driving rod, a limiting mechanism and an anti-shaking mechanism which are arranged in the sliding block, wherein the driving rod is fixedly arranged on the fixed shell; the starting mechanism comprises a power assembly for controlling the drill probe to move up and down and a shaking assembly for quickly shaking the drill probe left and right so as to shake off soil on the drill probe, and a motor, a shaking block and a cam are arranged in the shaking mechanism; this technical scheme provides the drilling machine, can realize providing fixed force and holding power for equipment according to can letting supplementary reinforcement part carry out work when the comparatively hard object of probing, prevents the change of probing direction, can transport out the shake-off with inside debris in the probing simultaneously, has protected the drill bit when the probing wearing and tearing of debris to the drill bit, has increased the life of drill bit.
Description
Technical Field
The invention relates to the field of drilling, in particular to a drilling machine which is used for drilling, reinforcing and supporting and automatically shaking off soil and crushed slag.
Background
The drilling or exploration is to utilize the mechanical engineering technology of deep drilling to exploit the natural resources of the ground or the seabed, or adopt the section live of the stratum, pick up the entity sample, in order to provide the experiment in order to obtain relevant data information, etc., the drilling equipment is comparatively huge at present, but with the progress of the technology, some fields need the drilling survey of the small area, need not to use comparatively huge drilling equipment for this reason, but the small-scale drilling equipment will cause the shaking of the apparatus when drilling to comparatively hard object, so as to drift in the drilling direction, need to carry out the inside earth and rubble detritus after drilling at the same time.
Therefore, in order to solve the above problems, a novel drilling device is needed, which can provide a fixing force and a supporting force for the device according to the fact that the auxiliary reinforcing part can work when drilling a hard object, so as to prevent the drilling direction from changing, and meanwhile, the internal sundries can be carried out and shaken off during drilling, so that the abrasion of the drill bit caused by the sundries during drilling is protected, and the service life of the drill bit is prolonged.
Disclosure of Invention
In view of the above, the invention provides a drilling machine for drilling, reinforcing and supporting and automatically shaking off soil and crushed slag, which can provide a fixing force and a supporting force for equipment according to the fact that an auxiliary reinforcing part can work when a hard object is drilled, so as to prevent the drilling direction from being changed, and meanwhile, internal impurities can be conveyed out and shaken off during drilling, so that the abrasion of the drill bit caused by the impurities during drilling is protected, and the service life of the drill bit is prolonged.
A drilling machine for drilling, reinforcing and supporting and automatically shaking off soil and crushed slag comprises a fixed shell, a driving rod, a sliding block, a power starting mechanism and a limiting fixture block mechanism which are arranged in the fixed shell, a drill bit mechanism arranged in the driving rod, a limiting mechanism and an anti-shaking mechanism which are arranged in the sliding block; the starting mechanism comprises a power component for controlling the drill probe to move up and down and a shaking component for quickly shaking the drill probe left and right so as to shake off soil on the drill probe, the shaking mechanism is internally provided with a motor, a shaking block and a cam, the motor of the power assembly is positioned in the shaking block, the lower end of the cam is provided with a motor which drives the cam to rotate and then move in a mutual correlation way with the power assembly, the limiting fixture block mechanism comprises a limiting component which is used for fixing the equipment after the equipment shakes when encountering a hard object during drilling, the drill bit mechanism comprises a drill bit assembly for drilling, the limiting mechanism comprises a fixing assembly used for clamping the limiting assembly, a clamping assembly used for limiting the drill bit mechanism to prevent the drill bit mechanism from shaking, a compression spring and a connecting block, and the fixing assembly is connected with the driving rod through the compression spring and descends and ascends together.
Further, the drill bit assembly comprises a driving motor located at the lower end of the driving rod, the lower end of the driving motor is in power connection with a driving shaft, a drill bit is fixedly connected to the lower end of the driving shaft, the surface of the drill bit is in a threaded shape and is made of wear-resistant metal, and the drill bit and the driving shaft can be detached before and are convenient to replace after being worn and damaged.
Further, power component is including being located in fixed shell and being located the shake chamber of the drive lever left and right sides, two the shake chamber is kept away from fixedly connected with coupling spring on the inner wall of drive lever one side, coupling spring is close to the one end fixedly connected with of drive lever shakes the piece, it is located but shake intracavity and horizontal slip, two but be equipped with the initiative motor in the shake piece, two initiative motor front end power is connected with the axis of rotation, two axis of rotation front end fixedly connected with connecting gear, two connecting gear with the drive lever left and right sides contact, the drive lever left and right sides have the rack can with connecting gear perfect meshing, two the initiative motor turns to opposite.
Furthermore, the limiting assembly comprises sliding grooves which are located on the upper opening of the driving rod and face away from two sides of the driving rod, sliding blocks are connected in the sliding grooves in a sliding mode, the sliding blocks are away from four supporting rods which fixedly extend downwards and are located in four directions of the driving rod, supporting cavities are arranged on the lower sides of the four supporting rods, a rotating shaft with a torsion spring is connected to the front inner wall and the rear inner wall of the upper end of each supporting cavity in a rotating mode, soil retaining plates are fixedly connected to the four rotating shafts, compression springs are fixedly connected to the lower ends of the left side and the right side of the driving rod, which are away from the sliding blocks, connecting blocks are fixedly connected to the lower ends of the two compression springs, and one ends of the two connecting blocks, which are.
Further, the screens subassembly is including being located fixed shell upper end and the decurrent restriction groove of opening, two inner wall fixedly connected with electric telescopic handle, two on the restriction groove electric telescopic handle lower extreme fixedly connected with both ends are the chucking piece of sharp-pointed triangle-shaped form, the upper right end is equipped with start button.
Furthermore, the clamping block is made of hard metal materials, is high in bending resistance, is convenient to clamp with the corresponding buckle, is not bent, and ensures the stability of the operation of the equipment.
Further, fixed subassembly is including being located two the ascending spread groove of opening of sliding block upper end, two inner walls are equipped with the opening orientation about the spread groove the screens groove in the middle of the spread groove, the screens groove is kept away from fixedly connected with insulating spring on the inner wall in the middle of the spread groove, two insulating spring is close to one end fixedly connected with in the middle of the spread groove limit the piece, two limit the piece and be located in the spread groove, the stationary housing right-hand member is equipped with the opening right pull block groove, pull block groove left side inner wall fixedly connected with connect the rope, connect rope right side fixedly connected with T type and draw the piece, connect the rope to pass through screens inslot diapire with pull block groove left side inner wall and with T type draws piece fixed connection.
The invention has the beneficial effects that: the technical scheme provides a drilling machine which is full-automatic in drilling, automatically transports and shakes off soil and stones generated by drilling, and can more firmly fix a drill bit during drilling; the drill bit is controlled to vertically move up and down by the high-strength connecting rod which can vertically move up and down, the drill bit and the connecting rod are fixed by the vertical fixing support legs at multiple positions around the drill bit, the drill bit is prevented from deviating in the drilling direction due to the fact that the drill bit encounters hard stones during drilling, meanwhile, when the drill bit drills in a soft geological state, the fixing mechanism can be retracted to accelerate the drilling speed of the drill bit, meanwhile, broken stone sundries are automatically conveyed out, and the drilling efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a drilling rig according to the present invention installed on the ground.
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic illustration of the operation of the drilling rig provided by the present invention;
FIG. 4 is a schematic view of the structure at B-B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C-C in FIG. 1;
FIG. 6 is an enlarged view of the structure at D-D in FIG. 1;
fig. 7 is an enlarged schematic view of the structure at E in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The drilling machine for drilling, reinforcing and supporting and automatically shaking off soil and crushed slag, which is described in conjunction with the attached drawings 1-7, comprises a fixed shell 10, a driving rod 11, a sliding block 15, a power starting mechanism and a limiting fixture block mechanism which are arranged in the fixed shell 10, a drill bit mechanism arranged in the driving rod 11, a limiting mechanism and an anti-shaking mechanism which are arranged in the sliding block 15; the starting mechanism comprises a power component for controlling the drill probe to move up and down and a shaking component for quickly shaking the drill probe left and right so as to shake off soil on the drill probe, the shaking mechanism is internally provided with a motor, a shaking block 27 and a cam 25, the motor of the power assembly is positioned in the shaking block 27, the lower end of the cam 25 is provided with a motor, the motor drives the cam 25 to rotate so as to be mutually associated with the power assembly to move, the limiting fixture block mechanism comprises a limiting component which is used for fixing the equipment after the equipment shakes when encountering a hard object during drilling, the drill bit mechanism comprises a drill bit assembly for drilling, the limiting mechanism comprises a fixing assembly for clamping the limiting assembly, a clamping assembly for limiting the drill bit mechanism to prevent the drill bit mechanism from shaking, a compression spring 14 and a connecting block 13, the fixed component is connected with the active rod 11 through the compression spring 14 and descends and ascends together with the active rod; the technical scheme provides a drilling machine which is full-automatic in drilling, automatically transports and shakes off soil and stones generated by drilling, and can more firmly fix a drill bit during drilling; the drill bit is controlled to vertically move up and down by the high-strength connecting rod which can vertically move up and down, the drill bit and the connecting rod are fixed by the vertical fixing support legs at multiple positions around the drill bit, the drill bit is prevented from deviating in the drilling direction due to the fact that the drill bit encounters hard stones during drilling, meanwhile, when the drill bit drills in a soft geological state, the fixing mechanism can be retracted to accelerate the drilling speed of the drill bit, meanwhile, broken stone sundries are automatically conveyed out, and the drilling efficiency is improved.
In this embodiment, the drill bit assembly includes being located the driving motor 23 of drive lever 11 lower extreme, driving motor 23 lower extreme power connection has drive shaft 22, drive shaft 22 lower extreme fixedly connected with drill bit 21, the drill bit 21 surface is the screw thread form, and for wear-resisting metal manufacturing, drill bit 21 with drive shaft 22 can dismantle before be convenient for change after the drill bit 21 wearing and tearing are damaged, driving motor 23 starts to rotate the back, then makes drive shaft 22 rotates, then makes drill bit 21 rotates.
In this embodiment, the power assembly includes two shaking cavities 26 located in the fixed housing 10 and located at the left and right sides of the driving rod 11, two of the shaking cavities 26 are fixedly connected to a connecting spring 29 on the inner wall of one side of the driving rod 11, one end of the connecting spring 29 close to the driving rod 11 is fixedly connected to a shaking block 27, the shaking block 27 is located in the shaking cavity 26 and can slide left and right, two of the shaking blocks 27 are provided with driving motors 28, the front ends of the two driving motors 28 are connected to a rotating shaft 30, the front ends of the two rotating shafts 30 are fixedly connected to connecting gears 31, the two connecting gears 31 are in contact with the left and right sides of the driving rod 11, the left and right sides of the driving rod 11 are provided with racks which can be perfectly engaged with the connecting gears 31, the two driving motors 28 are opposite in rotation direction, when the two driving motors 28 start to work, then, the two rotating shafts 30 are rotated, and then the two connecting gears 31 are rotated, so that the ascending and descending of the active lever 11 are realized, and the starting and the closing of the two active motors 28 are further controlled by a person by controlling the driving motor 23.
In this embodiment, the limiting assembly includes sliding grooves 43 located on the upper opening of the driving rod 11 and facing away from the two sides of the driving rod 11, sliding blocks 15 are slidably connected in the sliding grooves 43, four directions of the sliding blocks 15 away from the driving rod 11 are fixedly connected with downwardly extending support rods 16, support cavities 20 are arranged on the lower sides of the four support rods 16, the front and rear inner walls of the upper ends of the four support cavities 20 are rotatably connected with rotating shafts 19 with torsion springs, soil retaining plates 17 are fixedly connected on the four rotating shafts 19, compression springs 14 are fixedly connected at the lower ends of the left and right sides of the sliding blocks 15 away from the driving rod 11, connecting blocks 13 are fixedly connected at the lower ends of the two compression springs 14, one ends of the two connecting blocks 13 close to the driving rod 11 are fixedly connected to the driving rod 11 and can ascend and descend along with the driving rod 11, after the active rod 11 descends, the two connecting blocks 13 descend together, the two compression springs 14 are in a stretching state, after the compression springs 14 stretch to a certain length, the sliding blocks 15 are driven to move downwards, the four supporting rods 16 move downwards, the four soil blocking plates 17 are twisted by taking the rotating shaft 19 as a fulcrum under force, the four supporting rods 16 descend into the supporting cavities 20, the four supporting rods 16 move to the bottom ends of the supporting cavities 20, after the four supporting rods 16 cannot descend any more, the active rod 11 continues to move downwards, the compression springs 14 are further stretched, and the elastic limit of the two compression springs 14 meets the requirement of the moving length of the active rod 11.
In this embodiment, the screens subassembly is including being located fixed shell 10 upper end and the decurrent restriction groove 35 of opening, two inner wall fixedly connected with electric telescopic handle 36, two on the restriction groove 35 the chucking piece 37 that electric telescopic handle 36 lower extreme fixedly connected with both ends are sharp-pointed triangle-shaped, 10 upper right ends are equipped with start button 44, work as electric telescopic handle 36 receives after start button 44 control the downwardly stretching back, then make chucking piece 37 moves down, then makes chucking piece 37 move extremely restriction groove 35 is outside.
In this embodiment, the clamping block 37 is made of hard metal material, has strong bending resistance, is convenient to clamp with the corresponding buckle, is not bent, and ensures the stability of the operation of the equipment.
In this embodiment, the fixing assembly includes two connecting slots 40 with upward openings at the upper ends of the two sliding blocks 15, two inner walls of the two connecting slots 40 are provided with two clamping slots 39 with openings facing the middle of the connecting slots 40, the clamping slots 39 are far away from the inner wall of the middle of the connecting slots 40 and are fixedly connected with insulating springs 42, one ends of the two insulating springs 42 close to the middle of the connecting slots 40 are fixedly connected with the limiting blocks 41, the two limiting blocks 41 are located in the connecting slots 40, the right end of the fixing housing 10 is provided with a pull block slot 46 with a rightward opening, the left inner wall of the pull block slot 46 is fixedly connected with the connecting rope 38, the right end of the connecting rope 38 is fixedly connected with a T-shaped pull block 45, the connecting rope 38 is fixedly connected with the left inner wall of the pull block slot 46 through the inner bottom wall of the clamping slot 39 and with, when the clamping block 37 moves to the outside of the limiting groove 35 and then the sliding block 15 moves upwards, the clamping block 37 is then positioned in the connecting groove 40, the connecting groove 40 limits the movement of the clamping block 37, the sliding block 15 is then positioned at the lower side of the driving rod 11 and fixed, the sliding block 15 is prevented from moving downwards continuously, and when clamping is not needed, the connecting rope 38 is pulled by pulling the connecting rope 45, the two limiting blocks 41 move towards two sides, the clamping block 37 is not limited, and then the sliding block 15 can move upwards and downwards continuously.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a boring machine that support and automatic shake off earth disintegrating slag is consolidated in drilling which characterized in that: the drilling machine comprises a fixed shell, a driving rod, a sliding block, a power starting mechanism and a limiting fixture block mechanism which are arranged in the fixed shell, a drill bit mechanism arranged in the driving rod, a limiting mechanism and an anti-shaking mechanism which are arranged in the sliding block; the starting mechanism comprises a power component for controlling the drill probe to move up and down and a shaking component for quickly shaking the drill probe left and right so as to shake off soil on the drill probe, the shaking mechanism is internally provided with a motor, a shaking block and a cam, the motor of the power assembly is positioned in the shaking block, the lower end of the cam is provided with a motor which drives the cam to rotate and then move in a mutual correlation way with the power assembly, the limiting fixture block mechanism comprises a limiting component which is used for fixing the equipment after the equipment shakes when encountering a hard object during drilling, the drill bit mechanism comprises a drill bit assembly for drilling, the limiting mechanism comprises a fixing assembly used for clamping the limiting assembly, a clamping assembly used for limiting the drill bit mechanism to prevent the drill bit mechanism from shaking, a compression spring and a connecting block, and the fixing assembly is connected with the driving rod through the compression spring and descends and ascends together.
2. The drilling machine of claim 1, wherein: the drill bit assembly comprises a driving motor located at the lower end of the driving rod, the lower end of the driving motor is in power connection with a driving shaft, a drill bit is fixedly connected to the lower end of the driving shaft, the surface of the drill bit is in a threaded shape and is made of wear-resistant metal, and the drill bit and the driving shaft can be detached in front and are convenient to replace after being worn and damaged.
3. The drilling machine of claim 1, wherein: power component is including being located in fixed shell and being located the shake chamber of the drive lever left and right sides, two shake the chamber and keep away from fixedly connected with coupling spring on the inner wall of drive lever one side, coupling spring is close to the one end fixedly connected with of drive lever shakes the piece, it is located but shake intracavity and horizontal slip, two be equipped with the initiative motor in the shake piece, two initiative motor front end power is connected with the axis of rotation, two axis of rotation front end fixedly connected with connecting gear, two connecting gear with the drive lever left and right sides contact, the drive lever left and right sides have the rack can with connecting gear perfect meshing, two the initiative motor turns to opposite.
4. The drilling machine of claim 1, wherein: the limiting assembly comprises sliding grooves which are located at the upper opening of the driving rod and face away from the two sides of the driving rod, sliding blocks are connected in the sliding grooves, the sliding blocks are away from four position fixedly connected with downwardly extending supporting rods of the driving rod, supporting cavities are arranged on the lower sides of the supporting rods, four rotating shafts with torsional springs are connected to the front inner wall and the rear inner wall of the upper end of each supporting cavity in a rotating mode, four retaining plates are fixedly connected to the rotating shafts, compression springs are fixedly connected to the lower ends of the left side and the right side of the driving rod and are away from the sliding blocks, connecting blocks are fixedly connected to the lower ends of the compression springs, and one end, close to the driving rod, of each connecting block is fixedly connected to the driving rod and.
5. The drilling machine of claim 1, wherein: the screens subassembly is including being located fixed shell upper end and the decurrent restriction groove of opening, two inner wall fixedly connected with electric telescopic handle, two on the restriction groove the chucking piece that electric telescopic handle lower extreme fixedly connected with both ends are sharp-pointed triangle-shaped, the upper right end is equipped with start button.
6. The drilling machine of claim 5, wherein: the clamping block is made of hard metal materials, is high in bending resistance, is convenient to clamp with the corresponding buckle, is not bent, and ensures the stability of the operation of the equipment.
7. The drilling machine of claim 6, wherein: fixed subassembly is including being located two ascending spread groove of opening of sliding block upper end, two inner walls are equipped with the opening orientation about the spread groove the screens groove in the middle of the spread groove, the screens groove is kept away from fixedly connected with insulating spring on the inner wall in the middle of the spread groove, two insulating spring is close to one end fixedly connected with in the middle of the spread groove limit the piece, two limit the piece and be located in the spread groove, the stationary housing right-hand member is equipped with the opening pull block groove to the right, pull block groove left side inner wall fixedly connected with connect the rope, connect rope right end fixedly connected with T type and draw the piece, connect the rope and pass through screens inslot diapire with pull block groove left side inner wall and with T type draws piece fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306622.7A CN112922528A (en) | 2021-03-23 | 2021-03-23 | Drilling machine with drilling, reinforcing and supporting functions and automatic soil and crushed slag shaking-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306622.7A CN112922528A (en) | 2021-03-23 | 2021-03-23 | Drilling machine with drilling, reinforcing and supporting functions and automatic soil and crushed slag shaking-off function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112922528A true CN112922528A (en) | 2021-06-08 |
Family
ID=76175467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110306622.7A Withdrawn CN112922528A (en) | 2021-03-23 | 2021-03-23 | Drilling machine with drilling, reinforcing and supporting functions and automatic soil and crushed slag shaking-off function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112922528A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455141A (en) * | 2021-08-05 | 2021-10-01 | 山西省农业科学院果树研究所 | Digging equipment for fruit tree planting |
-
2021
- 2021-03-23 CN CN202110306622.7A patent/CN112922528A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455141A (en) * | 2021-08-05 | 2021-10-01 | 山西省农业科学院果树研究所 | Digging equipment for fruit tree planting |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210608 |
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| WW01 | Invention patent application withdrawn after publication |