CN211397428U - Portable field drilling system - Google Patents
Portable field drilling system Download PDFInfo
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- CN211397428U CN211397428U CN201922136992.1U CN201922136992U CN211397428U CN 211397428 U CN211397428 U CN 211397428U CN 201922136992 U CN201922136992 U CN 201922136992U CN 211397428 U CN211397428 U CN 211397428U
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Abstract
The utility model provides an open-air portable drilling system, it includes: the slip device is arranged on the outer wall of the drill rod and connected with the power device so as to drive the drill rod to rotate; the excitation device is arranged on the outer wall of the slip device and connected with the power device so as to provide an excitation force along the axial direction through the eccentric block; and the power device is used for driving the slip device to rotate and driving the eccentric block in the excitation device to rotate in a speed-adjustable manner. The utility model provides a pair of open-air portable drilling system through the structure more than adopting, can reduce drilling equipment's complexity by a wide margin, as long as small-size agricultural machinery, for example the position that small-size agricultural machinery such as similar rotary cultivator or hand tractor can reach can accomplish the probing construction. Greatly improving the drilling efficiency and reducing the drilling cost.
Description
Technical Field
The utility model relates to a portable construction equipment field, especially an open-air portable drilling system.
Background
In field drilling construction, such as water conservancy facility construction, mineral drilling construction and water source drilling construction, sampling is required to be carried out at positions with inconvenient traffic, and equipment such as an existing drilling machine is inconvenient to transport, so that the drilling construction is high in cost and low in efficiency. At present, no portable drilling construction equipment is available.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a field portable drilling system is provided, can be inconvenient in the traffic, do not have the position of power to accomplish the probing construction, reduce probing construction cost by a wide margin, improve probing efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a field portable drilling system comprising:
the slip device is arranged on the outer wall of the drill rod and connected with the power device so as to drive the drill rod to rotate;
the excitation device is arranged on the outer wall of the slip device and connected with the power device so as to provide an excitation force along the axial direction through the eccentric block;
and the power device is used for driving the slip device to rotate and driving the eccentric block in the excitation device to rotate in a speed-adjustable manner.
In a preferred scheme, in the slip device, an input gear and a locking gear are rotatably arranged in a shell, and the input gear is in meshed connection with the locking gear;
the inner wall of the locking gear is provided with a plurality of cylindrical chutes, locking teeth are movably arranged in the cylindrical chutes, cylinders are movably arranged in the cylindrical chutes in the locking teeth, and the side wall of each cylinder is provided with a positive locking tooth and a negative locking tooth which are used for locking the drill rod in positive rotation or negative rotation;
the end of the input gear is provided with a torque part.
In the preferred scheme, the distance from the tooth tips of the positive locking teeth and the reverse locking teeth to the center of the rotation circle of the cylinder is greater than the distance from the middle positions of the positive locking teeth and the reverse locking teeth to the center of the rotation circle of the cylinder.
In a preferred scheme, the distance from the tooth tips of the positive locking teeth and the reverse locking teeth to the bottom of the cylindrical sliding groove is greater than the distance from the outer wall of the drill rod to the bottom of the cylindrical sliding groove.
In the preferred scheme, the cylindrical chutes are obliquely arranged, the upper ends of the cylindrical chutes are far away, and the lower ends of the cylindrical chutes are close;
the tooth tips of the positive locking teeth and the negative locking teeth are straight lines parallel to the axis.
In the preferable scheme, a first end cover is further arranged, the first end cover is in threaded connection with the locking gear, and the first end cover is in contact with one end of the locking tooth at the far end away from the cylindrical sliding groove and used for limiting the axial position of the locking tooth;
and a spring is arranged at the other end of the locking tooth.
In the preferred scheme, in the excitation device, an excitation shaft seat is fixedly connected with a fixed seat, and the fixed seat is used for fixedly connecting with a drill rod;
the excitation shaft is rotatably arranged on the excitation shaft seat, an eccentric block is fixedly arranged at the end of the excitation shaft, and a torque part is arranged at the end of the excitation shaft.
In the preferred scheme, the number of the excitation shaft bases is two, the two excitation shaft bases are symmetrically arranged, and the ends of the excitation shafts are connected through a transmission mechanism;
the excitation shaft seat is fixedly connected with the excitation ring, and the excitation ring is fixedly connected with the fixed seat through a plurality of radially arranged elastic columns.
In a preferred scheme, in the power device, one end of a first output shaft is provided with an input end for being connected with an output shaft of a driving device, and the other end of the first output shaft is connected with a first flexible shaft;
the first output shaft is connected with the intermediate shaft through a transmission mechanism;
the intermediate shaft is fixedly connected with the first fixed cone pulley, the first movable cone pulley is connected with the intermediate shaft in a manner of axially moving and rotating along with the intermediate shaft, and the outer wall of the first movable cone pulley is connected with the first deflector rod;
the second output shaft is connected with a second flexible shaft, and the end of the second flexible shaft is used for connecting a torque part at the end of an excitation shaft of the excitation device;
the second output shaft is fixedly connected with the second fixed cone pulley, the second movable cone pulley is connected with the second output shaft in a mode of axially moving and rotating along with the second output shaft, and the outer wall of the second movable cone pulley is connected with the second deflector rod;
the transmission belt is arranged around the conical surfaces of the first fixed cone pulley and the first movable cone pulley, and the transmission belt is arranged around the conical surfaces of the second fixed cone pulley and the second movable cone pulley.
In the preferred scheme, a counter-force pull rod is further arranged and is used for being connected with an embedded anchor rod and enabling a drill rod to feed;
a counter-force buffering sleeve is arranged at one end of the counter-force pull rod, a handle is arranged at the other end of the counter-force pull rod, a threaded section is arranged at the position, where the counter-force pull rod penetrates through the end baffle, and the threaded section is in threaded connection with the end baffle so that the end baffle can tightly press the drill rod;
in the counter-force buffering sleeve, one end of the cylinder body is provided with a threaded hole for connecting with a pre-embedded anchor rod, the other end of the cylinder body is provided with a piston cavity, the end of the counter-force pull rod penetrates through the upper end cover to be fixedly connected with the piston, the piston is installed in the piston cavity, and a spring is arranged between the piston and the upper end cover.
The utility model provides a pair of open-air portable drilling system through the structure more than adopting, can reduce drilling equipment's complexity by a wide margin, as long as small-size agricultural machinery, for example the position that small-size agricultural machinery such as similar rotary cultivator or hand tractor can reach can accomplish the probing construction. Greatly improving the drilling efficiency and reducing the drilling cost.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the middle counter-force pull rod of the present invention.
Fig. 3 is a schematic structural diagram of the excitation device of the present invention.
Fig. 4 is a schematic structural diagram of a preferred embodiment of the excitation device of the present invention.
Fig. 5 is a schematic structural view of the slip device of the present invention.
Fig. 6 is a schematic cross-sectional view of the slip device driven by clockwise rotation according to the present invention.
Fig. 7 is a schematic cross-sectional view of the slip device driven by counterclockwise rotation according to the present invention.
Fig. 8 is a schematic front sectional view of the slip device of the present invention.
Fig. 9 is a schematic structural diagram of the middle power device of the present invention.
In the figure: the drill rod 1, the anchor rod 2, the reaction pull rod 3, the handle 31, the reaction buffer sleeve 32, the upper end cover 321, the cylinder 322, the piston cavity 323, the spring 324, the piston 325, the threaded hole 326, the guide sleeve 327, the threaded section 328, the slip device 4, the housing 41, the input gear 42, the torque section 43, the locking gear 44, the transmission gear 441, the cylindrical sliding groove 442, the step portion 443, the bearing bush 444, the first end cover 445, the spring 446, the second end cover 447, the locking gear 45, the cylinder 451, the positive locking gear 452, the negative locking gear 453, the excitation device 5, the eccentric block 51, the excitation shaft seat 52, the excitation shaft 53, the synchronous belt 54, the fixed seat 55, the excitation ring 56, the elastic column 57, the end baffle 6, the power device 7, the first output shaft 71, the second output shaft 72, the transmission mechanism 73, the first cone pulley 74, the first movable cone pulley 75, the second cone pulley 76, the second movable cone pulley 77, the first deflector rod 78, the second deflector rod 79, the intermediate shaft 700, the drive belt 70, the first flexible shaft 8, the second flexible shaft 9, the gearbox 10 and the engine 11.
Detailed Description
As shown in fig. 1, a field portable drilling system comprises:
the slip device 4 is arranged on the outer wall of the drill rod 1 and connected with the power device 7 to drive the drill rod 1 to rotate;
the vibration excitation device 5 is used for being arranged on the outer wall of the slip device 4 and is connected with the power device 7 so as to provide an excitation force along the axial direction through the eccentric block 51;
and the power device 7 is used for driving the slip device 4 to rotate and driving the eccentric block 51 in the excitation device 5 to rotate in an adjustable speed mode. According to the structure, the slip device 4 drives the drill rod 1 to rotate, and the vibration frequency provided by the vibration excitation device 5 is adjusted to be the same as the natural frequency of the rock stratum, so that the rock stratum is crushed by resonance, and the drilling difficulty is greatly reduced.
In a preferred scheme, as shown in fig. 5-8, in the slip device 4, an input gear 42 and a locking gear 44 are rotatably arranged in a housing 41, and the input gear 42 is in meshed connection with the locking gear 44;
a plurality of cylindrical chutes 442 are formed in the inner wall of the locking gear 44, locking teeth 45 are movably mounted in the cylindrical chutes 442, among the locking teeth 45, a cylinder body 451 is movably mounted in the cylindrical chutes 442, and a positive locking tooth 452 and a negative locking tooth 453 are formed on the side wall of the cylinder body 451 and used for locking the drill rod 1 during forward rotation or reverse rotation;
a torque portion 43 is provided at the end of the input gear 42, and the torque portion 43 is a structure for transmitting torque, such as a square column, a hexagonal column, or a hexagonal hole. By the structure, the transmission from the locking gear 44 to the drill rod 1 is realized in a very simple structure, the axial position can be conveniently loosened and adjusted, and the structure is small in size and convenient to carry.
In the preferred embodiment shown in fig. 7, the distance from the tip of the positive locking tooth 452 and the tip of the negative locking tooth 453 to the center of the rotation of the cylinder 451 is greater than the distance from the middle position of the positive locking tooth 452 and the negative locking tooth 453 to the center of the rotation of the cylinder 451.
Preferably, as shown in fig. 7, the distance from the tip of the positive locking tooth 452 and the reverse locking tooth 453 to the bottom of the cylindrical chute 442 is greater than the distance from the outer wall of the drill rod 1 to the bottom of the cylindrical chute 442. It is further preferable that a friction layer is provided between the positive locking teeth 452 and the negative locking teeth 453, so that the locking teeth 45 are easily rotated along with the rotation of the locking gear, thereby locking the drill rod 1 more tightly.
In a preferred embodiment, as shown in fig. 8, the cylindrical sliding slots 442 are arranged in an inclined manner, and the upper ends of the cylindrical sliding slots 442 are far away from each other, while the lower ends are close to each other;
the tips of the positive locking tooth 452 and the negative locking tooth 453 are straight lines parallel to the axis. The inclination angle of the inclination angle is lower than 3 degrees, the structure can compensate the abrasion of the tooth tip, and the service life of the equipment is prolonged.
In a preferred embodiment, a first end cap 445 is further provided, the first end cap 445 is connected with the locking gear 44 through threads, and the first end cap 445 is contacted with one end of the locking tooth 45 at a far end of the cylindrical chute 442 for limiting the axial position of the locking tooth 45;
a spring is provided at the other end of the locking tooth 45. With this structure, the axial position of the locking teeth 45 can be conveniently adjusted by adjusting the first end cap 445, thereby compensating for wear of the locking teeth 45.
In a preferred scheme, as shown in fig. 1, 3 and 4, in the excitation device 5, the excitation shaft seat 52 is fixedly connected with a fixed seat 55, and the fixed seat 55 is used for fixedly connecting with the drill rod 1;
the excitation shaft 53 is rotatably mounted on the excitation shaft seat 52, the end of the excitation shaft 53 is fixedly provided with the eccentric block 51, and the end of the excitation shaft 53 is provided with the torque part. With the structure, the power device 7 can drive the vibration excitation device 5 through the second flexible shaft 9, and when the frequency of the vibration excitation device 5 is adjusted to the natural frequency of the rock stratum, the drilling efficiency can be greatly improved.
In a preferred scheme, as shown in fig. 4, two excitation shaft seats 52 are provided, the two excitation shaft seats 52 are symmetrically arranged, the ends of the excitation shaft 53 are connected through a transmission mechanism, and the transmission mechanism in this example adopts a synchronous belt transmission mechanism; more preferably, the ends of both ends of the exciting shaft 53 are provided with eccentric blocks 51. With this configuration, the entire volume of the excitation device 5 can be significantly reduced, and in particular, the stress balance of the excitation device 5 during excitation can be ensured. Further preferably, a circumference adjustable structure is arranged between the eccentric block 51 and the excitation shaft 53, so that the excitation curve and the excitation force can be adjusted to be in different combinations to deal with different working conditions.
As shown in fig. 4, the excitation shaft seat 52 is fixedly connected to the excitation ring 56, and the excitation ring 56 is fixedly connected to the fixing seat 55 through a plurality of radially arranged elastic columns 57. The elastic column 57 can increase the amplitude of the excitation device 5, so that the excitation block can simultaneously play a role of a balancing weight and transmit axial impulse to a rock stratum.
In a preferable scheme, as shown in fig. 9, in the power device 7, one end of a first output shaft 71 is provided with an input end for connecting with an output shaft of a driving device, and the other end of the first output shaft 71 is connected with a first flexible shaft 8;
the first output shaft 71 is connected with the intermediate shaft 700 through a transmission mechanism 73;
the intermediate shaft 700 is fixedly connected with the first fixed cone pulley 74, the first movable cone pulley 75 is connected with the intermediate shaft 700 in a manner of axially moving and rotating along with the intermediate shaft 700, and the outer wall of the first movable cone pulley 75 is connected with the first shift lever 78;
a second output shaft 72 is further arranged, the second output shaft 72 is connected with a second flexible shaft 9, and the second flexible shaft 9 is used for connecting the excitation device 5; specifically, the end of the second flexible shaft 9 is used for connecting a torque part at the end of an excitation shaft 53 of the excitation device 5; the torque part is a structure for transmitting torque, such as a square column, a hexagonal column or a hexagonal hole. The end of the corresponding second flexible shaft 9 is in a structure of a square hole, a hexagonal hole or a hexagonal column, so that the second flexible shaft 9 is utilized to drive the whole excitation device 5 to generate excitation force. For the convenience of observation, fig. 3 and 4 are schematic structural diagrams, and a tube body is further arranged on the outer wall of the second flexible shaft 9.
The second output shaft 72 is fixedly connected with a second fixed cone pulley 76, a second movable cone pulley 77 is connected with the second output shaft 72 in a mode of being capable of axially moving and rotating along with the second output shaft 72, and the outer wall of the second movable cone pulley 77 is connected with a second driving lever 79;
a drive belt 70 is also provided, the drive belt 70 passing around the oppositely disposed tapered surfaces of the first fixed cone pulley 74 and the first movable cone pulley 75, the drive belt 70 passing around the oppositely disposed tapered surfaces of the second fixed cone pulley 76 and the second movable cone pulley 77. With the structure, the first output shaft 71 is used for being connected with the slip device 4 through the first flexible shaft 8 so as to drive the drill rod 1 to rotate. And the second output shaft 72 is used for being connected with the excitation device 5 through the second flexible shaft 9 so as to drive the eccentric block 51 to rotate. The driving belt 70 is positioned at different positions of the conical surface of each conical wheel by adjusting the first deflector rod 78 and the second deflector rod 79, so that different transmission ratios are realized, and the rotating speed of the eccentric block 51 is convenient to adjust to be close to the natural frequency of the rock stratum, such as 50-60 Hz/min. In the embodiment, the oil-fired machine is completely used as an input power source, so that the defects of field construction and insufficient continuous voyage capacity of electric energy are overcome.
In the preferred scheme, as shown in fig. 1 and 2, a counter force pull rod 3 is further arranged, and the counter force pull rod 3 is used for being connected with an embedded anchor rod 2 and enabling a drill rod 1 to feed;
a reaction buffer sleeve 32 is arranged at one end of the reaction pull rod 3, a handle 31 is arranged at the other end of the reaction pull rod 3, a threaded section 328 is arranged at the position where the reaction pull rod 3 penetrates through the end baffle 6, and the threaded section 328 is in threaded connection with the end baffle 6 so that the end baffle 6 can tightly press the drill rod 1;
in the reaction force buffering sleeve 32, one end of the cylinder 322 is provided with a threaded hole 326 for connecting with the pre-embedded anchor rod 2, the other end of the cylinder is provided with a piston cavity 323, the end of the reaction force pull rod 3 penetrates through the upper end cover 321 to be fixedly connected with the piston 325, the piston 325 is arranged in the piston cavity 323, and a spring 324 is arranged between the piston 325 and the upper end cover 321. With the structure, a feeding force can be provided for the drill rod 1, particularly a foundation is provided for the impact force of the vibration excitation device 5, and the drilling efficiency is further improved.
The following is adopted the utility model discloses the concrete step of device:
as shown in fig. 1, the power device 7, the slip device 4, the vibration excitation device 5 and other equipment are transported to a construction site, and the power device 7 can be driven by a diesel engine or a small agricultural machine. And small-size agricultural machinery, for example the rotary cultivator traffic is strong, also can regard as mountain area haulage vehicle transportation equipment after the installation string fill. The anchor rod 2 is firstly driven into the site construction position, the axis of the anchor rod 2 needs to be consistent with the drilling direction, the counter force buffering sleeve 32 is in threaded connection with the tail part of the anchor rod 2, the counter force buffering sleeve 32 is connected with the counter force pull rod 3, and the drill rod 1 is installed. The slip device 4 is installed, and the axial limiting device is installed below the slip device 4. In this example, the hoop is used. The vibration excitation device 5 is mounted on the slip device 4. The end baffle 6 is installed, the handle 31 is rotated, and the threaded section 328 on the counter force pull rod 3 enables the end baffle 6 to tightly press the drill rod 1. Temporary piles are set up to provide support for the slip devices 4 to transmit torque.
The output shaft of the agricultural machine is connected to the first output shaft 71 of the power unit 7, and trial run is performed to ensure good output. One ends of the first flexible shaft 8 and the second flexible shaft 9 are respectively connected with a first output shaft 71 and a second output shaft 72, and the other ends of the first flexible shaft 8 and the second flexible shaft 9 are respectively connected with the slip device 4 and the vibration excitation device 5. The method comprises the steps of pouring slurry for cooling and lubricating into a drill rod 1, starting a first flexible shaft 8, enabling a slip device 4 to drive the drill rod 1 to drill for 10-20cm, starting a second flexible shaft 9, adjusting a first deflector rod 78 and a second deflector rod 79 to enable the frequency of an excitation device 5 to reach a preset value, driving the excitation device 5 to vibrate at the frequency of 50-60 Hz/min, replacing bentonite slurry once every certain time, and rotating a handle 31 to enable an end baffle 6 to compress the drill rod 1. Until the drilling construction is completed. The positions of the slip device 4 and the axial stop device are continuously adjusted as the drill pipe 1 is drilled. And (3) after the drilling operation is finished and the preset depth is reached, the drill rod 1 is pulled out by using a hydraulic pipe puller driven by a manual or diesel engine, and the drilling construction operation is finished.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A portable field drilling system is characterized by comprising:
the slip device (4) is arranged on the outer wall of the drill rod (1) and connected with the power device (7) to drive the drill rod (1) to rotate;
the excitation device (5) is arranged on the outer wall of the slip device (4) and connected with the power device (7) so as to provide excitation force along the axial direction through the eccentric block (51);
and the power device (7) is used for driving the slip device (4) to rotate and driving the eccentric block (51) in the excitation device (5) to rotate in a speed-adjustable manner.
2. A field portable drilling system according to claim 1, wherein: in the slip device (4), an input gear (42) and a locking gear (44) are rotatably arranged in a shell (41), and the input gear (42) is meshed with the locking gear (44);
a plurality of cylindrical sliding grooves (442) are formed in the inner wall of the locking gear (44), locking teeth (45) are movably mounted in the cylindrical sliding grooves (442), a cylinder (451) is movably mounted in the cylindrical sliding grooves (442) in the locking teeth (45), and positive locking teeth (452) and negative locking teeth (453) are arranged on the side wall of the cylinder (451) and used for locking the drill rod (1) in the forward rotation or the reverse rotation;
a torque part (43) is provided at the tip of the input gear (42).
3. A field portable drilling system according to claim 2, wherein: the distance from the tooth tops of the positive locking tooth (452) and the negative locking tooth (453) to the center of the rotation circle of the cylinder (451) is larger than the distance from the middle position of the positive locking tooth (452) and the negative locking tooth (453) to the center of the rotation circle of the cylinder (451).
4. A field portable drilling system according to claim 2, wherein: the distance from the tooth tips of the positive locking tooth (452) and the reverse locking tooth (453) to the bottom of the cylindrical sliding groove (442) is larger than the distance from the outer wall of the drill rod (1) to the bottom of the cylindrical sliding groove (442).
5. A field portable drilling system according to any one of claims 2 to 4, wherein: the cylindrical sliding grooves (442) are obliquely arranged, the upper ends of the cylindrical sliding grooves (442) are far away, and the lower ends of the cylindrical sliding grooves are close;
the tooth tops of the positive locking tooth (452) and the negative locking tooth (453) are straight lines parallel to the axis.
6. A field portable drilling system according to claim 5, wherein: a first end cover (445) is further arranged, the first end cover (445) is in threaded connection with the locking gear (44), and the first end cover (445) is in contact with one end of the locking tooth (45) which is far away from the cylindrical sliding groove (442) and used for limiting the axial position of the locking tooth (45);
the other end of the locking tooth (45) is provided with a spring.
7. A field portable drilling system according to claim 1, wherein: in the vibration excitation device (5), a vibration excitation shaft seat (52) is fixedly connected with a fixed seat (55), and the fixed seat (55) is used for being fixedly connected with the drill rod (1);
the excitation shaft (53) is rotatably arranged on the excitation shaft seat (52), an eccentric block (51) is fixedly arranged at the end of the excitation shaft (53), and a torque part is arranged at the end of the excitation shaft (53).
8. A field portable drilling system according to claim 7, wherein: the two excitation shaft bases (52) are symmetrically arranged, and the ends of the excitation shaft (53) are connected through a transmission mechanism;
the excitation shaft seat (52) is fixedly connected with an excitation ring (56), and the excitation ring (56) is fixedly connected with a fixed seat (55) through a plurality of radially arranged elastic columns (57).
9. A field portable drilling system according to claim 7, wherein: in the power device (7), one end of a first output shaft (71) is provided with an input end which is used for being connected with an output shaft of a driving device, and the other end of the first output shaft (71) is connected with a first flexible shaft (8);
the first output shaft (71) is connected with the intermediate shaft (700) through a transmission mechanism (73);
the middle shaft (700) is fixedly connected with the first fixed cone pulley (74), the first movable cone pulley (75) is connected with the middle shaft (700) in a mode of axially moving and rotating along with the middle shaft (700), and the outer wall of the first movable cone pulley (75) is connected with the first shifting lever (78);
the second output shaft (72) is further arranged, the second output shaft (72) is connected with a second flexible shaft (9), and the end of the second flexible shaft (9) is used for connecting a torque part at the end of an excitation shaft (53) of the excitation device (5);
the second output shaft (72) is fixedly connected with a second fixed cone pulley (76), a second movable cone pulley (77) is connected with the second output shaft (72) in a mode of axially moving and rotating along with the second output shaft (72), and the outer wall of the second movable cone pulley (77) is connected with a second driving lever (79);
a transmission belt (70) is further arranged, the transmission belt (70) bypasses the conical surfaces of the first fixed cone pulley (74) and the first movable cone pulley (75) which are oppositely arranged, and the transmission belt (70) bypasses the conical surfaces of the second fixed cone pulley (76) and the second movable cone pulley (77) which are oppositely arranged.
10. A field portable drilling system according to claim 1, wherein: the counter-force pull rod (3) is further arranged, and the counter-force pull rod (3) is used for being connected with the pre-buried anchor rod (2) and enabling the drill rod (1) to feed;
a reaction buffer sleeve (32) is arranged at one end of the reaction pull rod (3), a handle (31) is arranged at the other end of the reaction pull rod, a threaded section (328) is arranged at the position, where the reaction pull rod (3) penetrates through the end baffle (6), and the threaded section (328) is in threaded connection with the end baffle (6) so that the end baffle (6) can compress the drill rod (1);
in the counter-force buffering sleeve (32), one end of the cylinder body (322) is provided with a threaded connecting hole (326) for connecting with a pre-embedded anchor rod (2), the other end of the cylinder body is provided with a piston cavity (323), the end of the counter-force pull rod (3) penetrates through the upper end cover (321) and is fixedly connected with the piston (325), the piston (325) is installed in the piston cavity (323), and a spring (324) is arranged between the piston (325) and the upper end cover (321).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822025754 | 2018-12-04 | ||
| CN2018220257549 | 2018-12-04 |
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| CN211397428U true CN211397428U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922136992.1U Active CN211397428U (en) | 2018-12-04 | 2019-12-03 | Portable field drilling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
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- 2019-12-03 CN CN201922136992.1U patent/CN211397428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
| CN109403859B (en) * | 2018-12-04 | 2024-02-09 | 湖北三峡职业技术学院 | Portable field drilling system |
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