CN115653493A - Anti-falling type double-upright-column harmonic lifting drilling machine - Google Patents
Anti-falling type double-upright-column harmonic lifting drilling machine Download PDFInfo
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- CN115653493A CN115653493A CN202211298979.6A CN202211298979A CN115653493A CN 115653493 A CN115653493 A CN 115653493A CN 202211298979 A CN202211298979 A CN 202211298979A CN 115653493 A CN115653493 A CN 115653493A
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- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 230000001012 protector Effects 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000003921 oil Substances 0.000 description 18
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to an anti-falling double-upright-column harmonic lifting drilling machine which comprises a main machine body, a working mechanism, a harmonic speed reducer, a first upright column, a second upright column, a drill rod anti-falling device, a supporting device and an electric pump conversion box, wherein crawler traveling devices are fixed on two sides of the main machine body and are in contact with the ground for moving the main machine body; a first upright post and a second upright post are arranged above the main machine body, the front sides of the first upright post and the second upright post are provided with working mechanisms, and the rear sides of the first upright post and the second upright post are provided with electric pump conversion boxes; the electric pump conversion box is characterized in that a supporting box body is arranged between the first stand column and the second stand column, a vertical rotary speed reducer is arranged on the front side, close to the working mechanism, of the supporting box body and is connected with the working mechanism through the vertical rotary speed reducer, and a harmonic speed reduction device is connected to the rear side, close to the electric pump conversion box, of the supporting box body. The drill rod falling protector provided by the invention realizes the holding of the drill rod by pushing the cone clamping piece through the piston, so that the operation safety performance of the drilling machine is improved.
Description
Technical Field
The invention relates to the technical field of coal mine drilling machines, in particular to an anti-falling double-column harmonic lifting drilling machine.
Background
The existing drilling machine is mostly of an integrated structure, mainly comprises a pump station, an operating board, a rack, an underframe, a clamp holder, a stand column, a drilling tool and the like, is heavy in structure, large in overall size, poor in operation stability in a narrow mine tunnel, different in length due to the fact that drill rods need to be constructed according to the requirements, adjustable in length according to the requirements, and adopts a mode that a plurality of sections of rod pipes are sleeved and clamped layer by layer. Because in the course of the work, the drilling rod can bear shearing, twist reverse, compound stress such as pressurization simultaneously, so in the work progress, because operator's improper operation or quality defect in the manufacturing lead to the inside one section of pole (being core festival pole) lower extreme in the work progress often to appear the phenomenon of rupture, lead to the square head position to fall into the stake downthehole, salvage very difficult, sometimes even can't salvage and influence the construction of whole engineering. Therefore, an anti-falling type double-column harmonic lifting drilling machine is needed.
Disclosure of Invention
The invention aims to overcome the defects and provide the anti-falling double-upright-column harmonic lifting drilling machine, so that the overall stability of the drilling machine is improved, and the anti-falling safety is improved.
The purpose of the invention is realized as follows:
an anti-falling double-upright-column harmonic lifting drilling machine comprises a main machine body, a working mechanism, a harmonic speed reducer, a first upright column, a second upright column, a drill rod anti-falling device, a supporting device and an electric pump conversion box, wherein crawler traveling devices are fixed on two sides of the main machine body and are in contact with the ground for moving the main machine body; a first upright post and a second upright post are arranged above the main machine body, the front sides of the first upright post and the second upright post are provided with working mechanisms, and the rear sides of the first upright post and the second upright post are provided with electric pump conversion boxes; a supporting box body is arranged between the first upright post and the second upright post, a vertical rotary speed reducer is arranged on the front side of the supporting box body close to the working mechanism and is connected with the working mechanism through the vertical rotary speed reducer, and a harmonic speed reducer is connected on the rear side of the supporting box body close to the electric pump conversion box;
the main machine body comprises a main machine frame, an installation plate is arranged on the main machine frame, and an electric pump conversion box, a first upright post, a second upright post and a working mechanism are sequentially arranged on the installation plate; the working mechanism comprises a sliding frame assembly, a sliding guide rod, a propulsion oil cylinder and a power head, wherein the power head is arranged on the sliding guide rod, the power head clamps a drill rod through a hydraulic clamp holder, a drill rod falling protector is arranged at the front end of the sliding frame assembly, and the drill rod falling protector and the power head are on the same horizontal line;
the drill rod falling protector comprises a shell, the shell is of a circular cylinder structure, a pre-tightening disc is arranged at the top end of the shell, a guide ring is arranged at the bottom end of the shell, a butterfly spring is arranged in the pre-tightening disc, a cone clamping piece is arranged below the pre-tightening disc, the butterfly spring pre-tightens the cone clamping piece through the pre-tightening disc, a piston is arranged below the cone clamping piece, and the piston pushes the cone clamping piece to move upwards.
Further, harmonic decelerator includes supporting box, rack and harmonic speed reducer ware, the supporting box sets up between first stand and second stand, the outer wall of first stand is equipped with a flat key formula rack, connects the harmonic speed reducer ware on the flat key formula rack.
Furthermore, a horizontal rotary speed reducer is connected to the lower portion of the supporting box body, and the horizontal rotary speed reducer drives the supporting box body to drive the working mechanism.
Further, the inner wall of the cone clamping piece is provided with a plurality of cylindrical springs.
Furthermore, a propelling oil cylinder and a compensating oil cylinder are arranged on the sliding frame assembly in parallel, the propelling oil cylinder is connected with a sliding guide rod, the compensating oil cylinder is connected with a compensating slide rail, and the compensating slide rail is connected with a vertical rotary speed reducer.
Furthermore, the bottom end of the sliding frame assembly is provided with a supporting device, and the supporting device and the power head are on the same horizontal line.
Further, the supporting device comprises a supporting seat and a connecting pipe connecting seat which are arranged up and down and are hinged.
Further, the top of taking over the connecting seat and the corresponding position of supporting seat all are equipped with the shaft hole, insert the back shaft after the shaft hole aligns and realize articulatedly.
Further, the below in the shaft hole of supporting seat is equipped with around this round pin shaft hole axial equipartition a plurality of round pin shaft holes, the below in the shaft hole of takeover connecting seat is equipped with the round pin shaft hole that corresponds with the round pin shaft hole of supporting seat, and after the angle that the adjustment takeover connecting seat was required, one of them a pair of round pin shaft hole of both was aligned, then inserted rotatory round pin axle and fixed.
Further, the top surface of the electric pump conversion box is provided with an inspection wiring window.
Compared with the prior art, the invention has the beneficial effects that:
(1) The drill rod falling protector provided by the invention realizes the holding of the drill rod by pushing the cone clamping piece through the piston, so that the comprehensive drill rod falling prevention effect is achieved, and the operation safety performance of the drilling machine is improved.
(2) The invention adopts the harmonic reducer to drive the gear rack, realizes vertical up-and-down movement, is safer and more reliable, runs more stably, and solves the problems of jitter and instability caused by the operation of a large-volume and heavy-weight drilling machine.
(3) The rear end of the propelling frame is provided with the swing angle adjustable supporting device, the torque of the drilling equipment is increased along with the increase of the gas drainage diameter, the requirement on the stability of the equipment is higher, and the supporting point of the equipment is limited due to the influence of coal mine conditions.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural view of another aspect of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
FIG. 5 is a cross-sectional view of the pipe fall arrestor of the present invention.
Fig. 6 is a schematic structural diagram of the harmonic reduction gear of the present invention.
Fig. 7 is a top view of the harmonic speed reducer of the present invention.
Fig. 8 is a cross-sectional view of the support device of the present invention.
Fig. 9 is a schematic view of the state of the support device of the present invention for adjusting the swing angle.
Wherein:
the device comprises a host machine body 1, an installation plate 1.1, a working mechanism 2, a sliding frame assembly 2.1, a power head 2.2, a hydraulic clamp holder 2.3, a harmonic speed reducer 3, a supporting box body 3.1, a rack 3.2, a harmonic speed reducer 3.3, a first upright post 4.1, a second upright post 4.2, a drill rod falling protector 5, a shell 5.1, a cone clamping piece 5.2, a pre-tightening disc 5.3, a disc spring 5.4, a piston 5.5, a cylindrical spring 5.6, a guide ring 5.7, a supporting device 6, a supporting seat 6.1, a supporting shaft 6.2, a rotating pin shaft 6.3, a connecting pipe connecting seat 6.4, a horizontal rotary speed reducer 7.1, a vertical rotary speed reducer 7.2, a crawler traveling device 8, an electric pump conversion box 9 and an inspection wiring window 9.1.
Detailed Description
For a better understanding of the technical aspects of the present invention, reference will now be made in detail to the accompanying drawings. It should be understood that the following specific examples are not intended to limit the embodiments of the present invention, but are merely exemplary embodiments of the present invention. It should be noted that the description herein of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1:
referring to fig. 1-9, fig. 1 depicts a structural schematic diagram of an anti-falling type double-column harmonic wave lifting drilling machine. As shown in the figure, the anti-falling double-upright-column harmonic lifting drilling machine comprises a main machine body 1, a working mechanism 2, a harmonic speed reducer 3, a first upright column 4.1, a second upright column 4.2, a drill rod anti-falling device 5, a supporting device 6 and an electric pump conversion box 9, wherein crawler traveling devices 8 are fixed on two sides of the main machine body 1, and the crawler traveling devices 8 are in contact with the ground and used for moving the main machine body 1; the main engine body 1 is provided with a first upright post 4.1 and a second upright post 4.2 above, the front sides of the first upright post 4.1 and the second upright post 4.2 are provided with a working mechanism 2, the rear side is provided with an electric pump conversion box 9, the working mechanism 2 is used for propelling a drill rod, and the electric pump conversion box 9 is used for hydraulic transmission.
A supporting box body 3.1 is arranged between the first upright post 4.1 and the second upright post 4.2, a vertical rotary speed reducer 7.2 is arranged on the front side of the supporting box body 3.1 close to the working mechanism and is connected with the working mechanism 2 through the vertical rotary speed reducer 7.2, and a harmonic speed reducer 3 is connected on the rear side of the supporting box body 3.1 close to the electric pump conversion box 9.
The main machine body 1 comprises a main machine frame, a mounting plate 1.1 is arranged on the main machine frame, and an electric pump conversion box 9, a first upright post 4.1, a second upright post 4.2 and a working mechanism 2 are sequentially arranged on the mounting plate 1.1.
The working mechanism 2 comprises a sliding frame assembly 2.1, a sliding guide rod, a propulsion oil cylinder and a power head 2.2, wherein the propulsion oil cylinder and a compensation oil cylinder are arranged on the sliding frame assembly 2.1 in parallel, the propulsion oil cylinder is connected with the sliding guide rod 2.2, the compensation oil cylinder is connected with a compensation slide rail, and the compensation slide rail is connected with a vertical rotary speed reducer 7.2; the outer wall of the propulsion oil cylinder is provided with a chain wheel and a chain, and the chain is connected with a compensation oil cylinder; the hydraulic drill rod anti-falling device is characterized in that a power head 2.2 is arranged on the sliding guide rod, the power head 2.2 clamps a drill rod through a hydraulic clamp holder 2.3, a drill rod anti-falling device 5 is arranged at the front end of the sliding frame assembly 2.1, a supporting device 6 is arranged at the bottom end of the sliding frame assembly, and the drill rod anti-falling device 5, the supporting device 6 and the power head 2.2 are located on the same horizontal line.
The stroke multiplication mechanism combined by the propulsion oil cylinder 2.3 and the chain enables the power assembly to move back and forth quickly so as to facilitate the loading and unloading of the drill rod to realize the drilling and retreating of the drill rod, and the compensation oil cylinder plays a compensation role when drilling holes at the same horizontal position or the vertical position.
Harmonic speed reducer device 3 includes supporting box 3.1, rack 3.2 and harmonic reducer ware 3.3, supporting box 3.1 sets up between first stand 4.1 and second stand 4.2, the outer wall of first stand 4.1 is equipped with a parallel key formula rack 3.2, connects harmonic reducer ware 3.3 on the parallel key formula rack 3.2, horizontal gyration reduction gear 7.1 is connected to the below of supporting box 3.1, thereby horizontal gyration reduction gear 7.1 drives operating device 2 through driving supporting box 3.1.
The drill rod falling protector 5 comprises a shell 5.1, the shell 5.1 is of a circular cylindrical structure, a pre-tightening disc 5.3 is arranged at the top end of the shell 5.1, a guide ring 5.7 is arranged at the bottom end of the shell, a butterfly spring 5.4 is arranged in the pre-tightening disc 5.3, a cone clamping piece 5.2 is arranged below the pre-tightening disc 5.3, the cone clamping piece 5.2 is pre-tightened by the butterfly spring 5.4 through the pre-tightening disc 5.3, a piston 5.5 is arranged below the cone clamping piece 5.2, and the piston 5.5 pushes the cone clamping piece 5.2 to move upwards; the inner wall of the cone clamping piece 5.2 is provided with a plurality of cylindrical springs 5.6.
The supporting device 6 comprises a supporting seat 6.1 and a connecting pipe connecting seat 6.4 which are arranged up and down and hinged, the upper part of the connecting pipe connecting seat 6.4 is triangular, the lower part of the connecting pipe connecting seat is square, and the lower part of the supporting seat 6.1 is semicircular; the top of takeover connecting seat 6.4 and supporting seat 6.1's corresponding position all are equipped with the shaft hole, insert back shaft 6.2 after the shaft hole aligns and realize articulatedly, the below in supporting seat 6.1's shaft hole is equipped with around a plurality of round pin shaft holes of this round pin shaft hole axial equipartition, the below in takeover connecting seat 6.4's shaft hole is equipped with the round pin shaft hole that corresponds with supporting seat 6.1's round pin shaft hole, and after the angle of connecting seat 6.4 to needs was taken over in the adjustment, one of them a pair of round pin shaft hole between them aligns, then inserts swivel pin axle 6.3 fixedly.
The crawler traveling device 8 comprises a left crawler traveling part and a right crawler traveling part which are symmetrically arranged on two sides of the host machine frame 1.1, the left side of the host machine frame 1.1 is connected with the left crawler traveling part through a left crawler connecting frame, and the right side of the host machine frame 1.1 is connected with the right crawler traveling part through a right crawler connecting frame; the left crawler belt walking part comprises a sealed crawler belt assembly, a guide wheel, a chain wheel, a crawler belt frame, a tensioning buffer device and five supporting wheels, the sealed crawler belt assembly comprises a combined type sealed crawler belt chain made of high-strength alloy steel, the crawler belt chain is sleeved on the chain wheel and the guide wheel which are arranged in the front and the back, the guide wheel is connected with the crawler belt frame, the tensioning buffer device is arranged on the crawler belt frame, the five supporting wheels are connected below the crawler belt frame, the chain wheel is connected with a walking motor, and the chain wheel is driven by the walking motor, so that the walking of the crawler belt chain is realized.
The top surface of the electric pump conversion box 9 is provided with an inspection wiring window 9.1.
The working principle is as follows:
the lower part of the harmonic reducer is additionally provided with the rotary reducer to realize horizontal all-directional rotation, so that the rotary reducer is suitable for multi-directional exploration drilling operation, and is matched with the vertical rotary reducer to basically realize all-directional drilling.
The harmonic reducer is used for driving a gear rack to vertically move up and down when the hydraulic oil cylinder is lifted and lowered, the original hydraulic self-locking is changed into mechanical self-locking of the harmonic reducer, the hydraulic oil cylinder is safer and more reliable, and the oil pipe can still be fixed in position when leaking; the hydraulic cylinder has certain vibration due to the compressibility of hydraulic oil, and the movement of the gear rack is more stable; the range of the oil cylinder is limited by the stroke of the oil cylinder, and the range of the rack of the harmonic reducer can be increased and decreased at will without limiting the stroke.
The butterfly spring of the drill rod falling protector pre-tightens the cone clamping piece through the pre-tightening disc, the drill rod is always in a tightening state when the machine is stopped, the drill rod and the cone clamping piece are influenced by friction force to drive the cone clamping piece to slide downwards and simultaneously extrude inwards, the drill rod is more embraced and tighter, the piston oil is fed to push the cone clamping piece to move upwards, the cone clamping piece is expanded outwards (a hydraulic oil port is opened to be connected with an opening port of the clamp holder) by the elastic force of the internal cylindrical spring to move upwards and downwards, and the tightening is realized by guiding the conical surface; the awl card can reciprocate promptly, and the piston is responsible for awl card rebound, and the card is opened, and the drilling rod falls more and more can be pressed from both sides more tightly down to realize that the drilling rod prevents weighing down the effect completely.
The connecting seat of the supporting device is connected with the jacking pipe, the angle can be adjusted left and right or up and down, and the rotating pin shaft fixes different positions, so that the drilling equipment is further stabilized.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an anti-falling type double-column harmonic lifting drilling machine which characterized in that: the anti-falling device comprises a main machine body (1), a working mechanism (2), a harmonic speed reducer (3), a first upright post (4.1), a second upright post (4.2), a drill rod anti-falling device (5), a supporting device (6) and an electric pump conversion box (9), wherein crawler traveling devices (8) are fixed on two sides of the main machine body (1), and the crawler traveling devices (8) are in contact with the ground and used for moving the main machine body (1); a first upright post (4.1) and a second upright post (4.2) are arranged above the main machine body (1), the front sides of the first upright post (4.1) and the second upright post (4.2) are provided with a working mechanism (2), and the rear sides are provided with an electric pump conversion box (9); a supporting box body (3.1) is arranged between the first upright post (4.1) and the second upright post (4.2), a vertical rotary speed reducer (7.2) is arranged on the front side, close to the working mechanism, of the supporting box body (3.1) and is connected with the working mechanism (2) through the vertical rotary speed reducer (7.2), and a harmonic speed reducer (3) is connected to the rear side, close to the electric pump conversion box (9), of the supporting box body (3.1);
the main engine body (1) comprises a main engine frame, a mounting plate (1.1) is arranged on the main engine frame, an electric pump conversion box (9), a first upright post (4.1), a second upright post (4.2) and a working mechanism (2) are sequentially arranged on the mounting plate (1.1), the working mechanism (2) comprises a carriage assembly (2.1), a sliding guide rod, a propulsion oil cylinder and a power head (2.2), the power head (2.2) is arranged on the sliding guide rod, the power head (2.2) clamps a drill rod through a hydraulic clamp holder (2.3), a drill rod falling protector (5) is arranged at the front end of the carriage assembly (2.1), and the drill rod falling protector (5) and the power head (2.2) are on the same horizontal line;
the drill rod falling protector (5) comprises a shell (5.1), the shell (5.1) is of a circular cylinder structure, the top end of the shell (5.1) is provided with a pre-tightening disc (5.3), the bottom end of the shell is provided with a guide ring (5.7), a butterfly spring (5.4) is arranged in the pre-tightening disc (5.3), a cone clamping piece (5.2) is arranged below the pre-tightening disc (5.3), the butterfly spring (5.4) pre-tightens the cone clamping piece (5.2) through the pre-tightening disc (5.3), a piston (5.5) is arranged below the cone clamping piece (5.2), and the piston (5.5) pushes the cone clamping piece (5.2) to move upwards.
2. The fall-preventing type double-column harmonic wave lifting drilling machine according to claim 1, characterized in that: harmonic speed reducer device (3) are including supporting box (3.1), rack (3.2) and harmonic reducer ware (3.3), supporting box (3.1) set up between first stand (4.1) and second stand (4.2), the outer wall of first stand (4.1) is equipped with a parallel key formula rack (3.2), connects harmonic reducer ware (3.3) on parallel key formula rack (3.2).
3. The anti-falling double-column harmonic wave lifting drilling machine according to claim 2, characterized in that: the lower part of the supporting box body (3.1) is connected with a horizontal rotary speed reducer (7.1), and the horizontal rotary speed reducer (7.1) drives the supporting box body (3.1) to drive the working mechanism (2).
4. The fall-preventing type double-column harmonic wave lifting drilling machine according to claim 1, characterized in that: the inner wall of the cone clamping piece (5.2) is provided with a plurality of cylindrical springs (5.6).
5. The fall-preventing type double-column harmonic wave lifting drilling machine according to claim 1, characterized in that: the sliding frame assembly (2.1) is provided with a propulsion oil cylinder and a compensation oil cylinder in parallel, the propulsion oil cylinder is connected with a sliding guide rod (2.2), the compensation oil cylinder is connected with a compensation slide rail, and the compensation slide rail is connected with a vertical rotary speed reducer (7.2).
6. The anti-falling double-column harmonic wave lifting drilling machine according to claim 1, characterized in that: the bottom of balladeur train assembly (2.1) is equipped with strutting arrangement (6), strutting arrangement (6) and unit head (2.2) are at same water flat line.
7. The fall-preventing type double-column harmonic wave lifting drilling machine according to claim 6, characterized in that: the supporting device (6) comprises a supporting seat (6.1) and a connecting pipe connecting seat (6.4) which are arranged up and down and are hinged.
8. The fall-preventing type double-column harmonic wave lifting drilling machine according to claim 7, characterized in that: the top of taking over connecting seat (6.4) and the corresponding position of supporting seat (6.1) all are equipped with the shaft hole, insert back shaft (6.2) after the shaft hole aligns and realize articulating.
9. The fall-preventing double-column harmonic wave lifting drilling machine according to claim 8, characterized in that: the below in the shaft hole of supporting seat (6.1) is equipped with a plurality of round pin shaft holes around this round pin shaft hole axial equipartition, the below in the shaft hole of takeover connecting seat (6.4) is equipped with the round pin shaft hole that corresponds with the round pin shaft hole of supporting seat (6.1), and after connecting seat (6.4) was taken over in the adjustment to the angle that needs, one of them a pair of round pin shaft hole between them aligns, then inserts swivel pin axle (6.3) and fixes.
10. The anti-falling double-column harmonic wave lifting drilling machine according to claim 1, characterized in that: the top surface of the electric pump conversion box (9) is provided with an inspection wiring window (9.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298979.6A CN115653493B (en) | 2022-10-24 | 2022-10-24 | Anti-falling double-upright harmonic lifting drilling machine |
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|---|---|---|---|
| CN202211298979.6A CN115653493B (en) | 2022-10-24 | 2022-10-24 | Anti-falling double-upright harmonic lifting drilling machine |
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| CN115653493A true CN115653493A (en) | 2023-01-31 |
| CN115653493B CN115653493B (en) | 2023-11-28 |
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| CN205977098U (en) * | 2016-08-30 | 2017-02-22 | 河南铁福来装备制造股份有限公司 | All -hydraulic track -mounted drill of both arms for coal mine |
| CN111706255A (en) * | 2020-07-23 | 2020-09-25 | 河南铁福来装备制造股份有限公司 | Double-rotation automatic drilling machine host |
| CN216277685U (en) * | 2021-12-06 | 2022-04-12 | 河北迈磊凯机电科技有限公司 | Crawler-type full-hydraulic tunnel drilling machine for coal mine |
| CN217106819U (en) * | 2022-04-20 | 2022-08-02 | 江苏中煤矿山设备有限公司 | Single-arm anchor rod drill carriage device |
| CN217327180U (en) * | 2022-05-17 | 2022-08-30 | 江苏中煤矿山设备有限公司 | Multidirectional deep hole drill carriage device |
| CN217462017U (en) * | 2022-05-23 | 2022-09-20 | 江苏中煤矿山设备有限公司 | Double-arm deep hole drill carriage device |
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| CN115653493B (en) | 2023-11-28 |
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