CN214091712U - Auxiliary positioning device for drilling machine - Google Patents

Auxiliary positioning device for drilling machine Download PDF

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Publication number
CN214091712U
CN214091712U CN202023285170.9U CN202023285170U CN214091712U CN 214091712 U CN214091712 U CN 214091712U CN 202023285170 U CN202023285170 U CN 202023285170U CN 214091712 U CN214091712 U CN 214091712U
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CN
China
Prior art keywords
cylinder
gear
fixed cylinder
fixed
drill bit
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Expired - Fee Related
Application number
CN202023285170.9U
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Chinese (zh)
Inventor
刘胜楠
柳林波
张伟
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Shandong Hengji Survey And Design Co ltd
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Shandong Hengji Survey And Design Co ltd
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Priority to CN202023285170.9U priority Critical patent/CN214091712U/en
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Publication of CN214091712U publication Critical patent/CN214091712U/en
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Abstract

The utility model belongs to the technical field of the rig and specifically relates to a rig assistance-localization real-time device is related to, it is installed on the rig, the rig includes rig body and drill bit, drill bit fixed mounting is in rig body lower extreme, be provided with the solid fixed cylinder along the drill bit axial on the rig body, the solid fixed cylinder passes drill bit and rig body fixed connection, the solid fixed cylinder is kept away from rig body one end and is provided with the location section of thick bamboo, location section of thick bamboo is along solid fixed cylinder axial and solid fixed cylinder inside wall sliding connection, be provided with the drive assembly who is used for driving location section of thick bamboo along solid fixed cylinder axial to slide on the location section of thick bamboo, gu fixed cylinder one side is provided with the power supply, power supply and drive assembly fixed connection, location section of thick bamboo is kept away from solid fixed cylinder one end and is provided with promptly subassembly. This application has the effect that makes the staff accurately control the drilling position of drill bit.

Description

Auxiliary positioning device for drilling machine
Technical Field
The application relates to the field of drilling machines, in particular to an auxiliary positioning device of a drilling machine.
Background
The drilling machine is a mechanical device which drives a drilling tool to drill underground to obtain real geological data in exploration or mineral resource (including solid ore, liquid ore, gas ore and the like) development. The main function is to drive the drilling tool to break the rock at the bottom of the hole and to put in or put out the drilling tool in the hole. The method can be used for drilling rock cores, ore cores, rock debris, gas samples, liquid samples and the like so as to find underground geology, mineral resources and other conditions.
The utility model discloses a chinese utility model patent that current publication number is CN212105767U the utility model discloses an auxiliary positioning mechanism for rig, including rig installation head, drill bit, the lower extreme of rig installation head inserts and is connected with the drill bit, and the outer wall of rig installation head has cup jointed connection structure, and connection structure's lower extreme inserts and is connected with and supports location structure. The connecting structure comprises a first connecting sleeve, a first through hole, a connecting sheet, a first connecting hole, a second connecting sleeve, a second through hole, a lug, a connecting groove and a second connecting hole, the upper end of the second connecting sleeve is provided with the second through hole, the outer wall of the second connecting sleeve is provided with the lug, the outer side wall of the lug is provided with the connecting groove, the upper end of the lug is provided with the second connecting hole, the outer wall of the second connecting sleeve is sleeved with the first connecting sleeve, the upper end of the first connecting sleeve is provided with the first through hole, the upper end orifice of the first through hole is provided with the connecting sheet, and the upper end of the connecting sheet is provided with the first connecting hole; the connecting structure is connected with the drilling machine mounting head through a second connecting sleeve, and the connecting structure realizes the connection of the supporting and positioning structure through the connecting sleeve. The supporting and positioning structure comprises a supporting and mounting rod, a positioning rod, a buffering anti-skidding foot pad and a third connecting hole, the positioning rod is arranged at the lower end of the supporting and mounting rod, the buffering anti-skidding foot pad is connected to the lower end of the positioning rod in an adhesion mode, and the third connecting hole is formed in the upper end of the supporting and mounting rod; the supporting and positioning structure utilizes a tripod mode to perform auxiliary positioning on the drill bit.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: above-mentioned well tripod's support location structure can carry out assistance-localization real-time to the drill bit to a certain extent, but when carrying out geological survey in the field, ground or wall when drilling, ground or wall can be given a reverse impact force to the drill bit, push the drill bit to one side, and buffering antiskid callus on the sole can not grasp ground or wall well, leads to the staff can not control the drilling position of drill bit accurately.
SUMMERY OF THE UTILITY MODEL
In order to enable a worker to accurately control the drilling direction of a drill bit, the application provides an auxiliary positioning device of a drilling machine.
The application provides a rig assistance-localization real-time device adopts following technical scheme:
the utility model provides a rig assistance-localization real-time device, includes rig body and drill bit, drill bit fixed mounting is in rig body lower extreme, be provided with solid fixed cylinder along the drill bit axial on the rig body, gu fixed cylinder passes drill bit and rig body fixed connection, gu fixed cylinder keeps away from rig body one end and is provided with a location section of thick bamboo, gu fixed cylinder axial and solid fixed cylinder inside wall sliding connection are followed to a location section of thick bamboo, gu be provided with on the location section of thick bamboo and be used for driving the drive assembly that a location section of thick bamboo slided along gu fixed cylinder axial, gu fixed cylinder one side is provided with the power supply, power supply and drive assembly fixed connection, a location section of thick bamboo and drill bit parallel and level, a location section of thick bamboo is kept away from solid fixed cylinder one end and is provided with promptly the subassembly.
By adopting the technical scheme, the drilling machine body is fixedly connected with the fixed cylinder, the fixed cylinder penetrates through the drill bit and is fixedly connected with the drilling machine body, one end of the fixed cylinder, far away from the drilling machine body, is provided with the positioning cylinder, the positioning cylinder is in sliding connection with the inner wall of the fixed cylinder, and one end of the positioning cylinder, far away from the fixed cylinder, is also provided with the grasping assembly; when the rig began drilling, grasping the subassembly and inlaying in the ground or the wall of treating drilling, make the difficult skew of drill bit and be difficult for rocking, along with the drill bit stretches into in the hole, drive assembly drives a location section of thick bamboo and to the shrink of sliding in the fixed cylinder under the drive of power supply to adapt to the length that the drill bit exposes outside the hole, and make grasping the subassembly tightly laminate with the ground or the lateral wall of drilling all the time. Therefore, the drilling direction of the drill bit can be accurately controlled by workers.
Optionally, the fixed cylinder has seted up the spout towards a fixed cylinder one side along the fixed cylinder axial, a fixed cylinder one side correspondence is fixed and is provided with the slider near a fixed cylinder, the slider slides in the spout.
Through adopting above-mentioned technical scheme, set up the spout along self axial on the fixed cylinder, correspond on the location section of thick bamboo and set up the slider, during the spout was arranged in to the slider, when drive assembly drive location section of thick bamboo contracts to the fixed cylinder is inside, the slider removed along the length direction of spout. Due to the arrangement, the positioning barrel can move more smoothly and stably, the moving direction of the positioning barrel is not easy to deviate, and the positioning barrel can not shake greatly when moving.
Optionally, the sliding grooves are multiple, the multiple sliding grooves are uniformly arranged on the inner wall of the fixed cylinder, the number of the sliding blocks is equal to that of the sliding grooves, and the sliding blocks correspond to the sliding grooves one to one.
Through adopting above-mentioned technical scheme, a plurality of spouts have evenly been seted up to the fixed section of thick bamboo inner wall, a plurality of sliders and a plurality of spout one-to-one for the translation rate of each department of a location section of thick bamboo is unanimous like this, and then makes the speed of the whole shrink of a location section of thick bamboo even, and the removal of a location section of thick bamboo is more stable.
Optionally, the driving assembly includes a first gear and a second gear, the first gear is sleeved on the positioning cylinder and is coaxially and rotatably connected with the positioning cylinder, the second gear is located on one side of the first gear and is engaged with the first gear, and the second gear is further fixedly connected with the power source; the outer surface of the positioning cylinder is provided with external threads, the inner ring of the first gear is correspondingly provided with internal threads, and the first gear is in threaded connection with the positioning cylinder.
Through adopting above-mentioned technical scheme, power supply drive second gear rotates, and the second gear drives first gear revolve, and first gear drives a location section of thick bamboo and slides at the solid fixed cylinder inner wall, and location section of thick bamboo surface and first gear inner wall all set up the screw thread that corresponds each other, first gear and location section of thick bamboo threaded connection, and when the second gear drove first gear revolve, first gear revolves around a location section of thick bamboo at fixed level to realize the shrink of sliding of a location section of thick bamboo in the solid fixed cylinder.
Optionally, the power source is a stepping motor, the stepping motor is fixedly connected with the fixed cylinder, and an output shaft of the stepping motor is fixedly connected with the center of the second gear.
By adopting the technical scheme, the power source adopts the stepping motor, the stepping motor stabilizes the characteristic of slow operation, so that the second gear slowly rotates at a uniform speed, the second gear drives the first gear to slowly rotate at a uniform speed, and finally the positioning cylinder slowly enters the fixed cylinder at a uniform speed so as to be matched with the speed of the drill bit entering the drill hole.
Optionally, a fixed block is arranged at one end, close to the positioning cylinder, of the fixed cylinder, one side of the fixed block is fixedly connected with the outer surface of the fixed cylinder, and the other side of the fixed block is fixedly connected with the stepping motor.
Through adopting above-mentioned technical scheme, at the fixed block that sets up in solid fixed cylinder one side, realize step motor and pass through the fixed block and fix in solid fixed cylinder one side, further pass through step motor fixed second gear to make things convenient for step motor control drive assembly.
Optionally, the gripping assembly is an annular toothed plate with teeth at one end, and the teeth of the annular toothed plate face away from the drilling machine body.
Through adopting above-mentioned technical scheme, keep away from the fixed cylinder one side at a location section of thick bamboo and fix and set up annular toothed plate, annular toothed plate's tooth and drill bit tip parallel and level, when beginning drilling, the tooth tightly imbeds the object surface of treating drilling, and when the drill bit got into the object surface, the object surface had a bounce, made the drill bit skew, and this bounce has just in time been overcome in the setting of annular toothed plate, made the accurate object surface that gets into the affirmation of drill bit drill.
Optionally, a reinforcing block is arranged at one end, close to the fixed cylinder, of the drilling machine body, the reinforcing block is fixedly connected with the drilling machine body, and the fixed cylinder is sleeved on the reinforcing block and is fixedly connected with the reinforcing block.
Through adopting above-mentioned technical scheme, the setting of boss for when the solid fixed cylinder is close to the circular cross-section of rig body one end and this body coupling of rig, its inner wall still with boss fixed connection, such connected mode makes the solid fixed cylinder fixed connection on the location section of thick bamboo more stable, and the vibration that produces when having reduced the drill bit drilling to the influence of solid fixed cylinder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the drill bit is positioned at the axes of the positioning cylinder and the fixed cylinder, and the end of the positioning cylinder, which is far away from the fixed cylinder, is also provided with a grasping assembly; the clamping assembly is embedded in the ground or the wall surface to be drilled, so that the drill bit is not easy to deviate, the aim of accurately controlling the drilling direction of the drill bit by a worker is fulfilled, and the positioning cylinder slides and contracts into the fixing cylinder along with the extension of the drill bit in the hole;
2. the sliding groove is formed in the fixed cylinder along the axial direction of the fixed cylinder, the sliding block is correspondingly arranged on the positioning cylinder, and the sliding block is arranged in the sliding groove, so that the sliding block moves along the length direction of the sliding groove when the positioning cylinder contracts into the fixed cylinder;
3. through the first gear of establishing on the cover at a location section of thick bamboo, first gear and second gear meshing, second gear power source fixed connection, first gear and a location section of thick bamboo threaded connection realize power supply drive second gear and rotate, and the first gear of second drive drives first gear and rotates, and first gear drives a location section of thick bamboo and slides at a fixed section of thick bamboo inner wall, reaches the flexible purpose of the shrink of a location section of thick bamboo in a fixed section of thick bamboo.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary positioning device of a drilling machine.
Fig. 2 is a schematic cross-sectional view of an auxiliary positioning device.
Fig. 3 is a partial schematic view of a drill assisted positioning device.
Description of reference numerals: 1. a drill body; 11. a handle; 2. a drill bit; 3. a fixed cylinder; 31. a chute; 4. a positioning cylinder; 41. a slider; 42. an external thread; 5. a drive assembly; 51. a first gear; 511. an internal thread; 52. a second gear; 6. a grasping assembly; 61. a ring toothed plate; 62. teeth; 7. a stepping motor; 8. a fixed block; 9. and a reinforcing block.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a drilling machine auxiliary positioning device. Referring to fig. 1, a drill auxiliary positioning device is mounted on a drill, wherein the drill comprises a drill body 1 and a drill bit 2. The two opposite sides of the drilling machine body 1 are respectively provided with a handle 11, the handles 11 are integrally formed with the drilling machine body 1, and the drill bit 2 is installed at the lower end of the drilling machine body 1 and is connected with the drilling machine body 1 in a relatively rotating mode. The drill bit 2 is provided with a fixed cylinder 3 along the axial of the drill bit 2 on the drilling machine body 1, the drill bit 2 is located at the center of the fixed cylinder 3, the fixed cylinder 3 is close to one end of the drilling machine body 1 and is welded with the drilling machine body 1, one end of the fixed cylinder 3, which is far away from the drilling machine body 1, is provided with a positioning cylinder 4, the positioning cylinder 4 is located in the fixed cylinder 3 and is connected with the inner side wall of the fixed cylinder 3 in a sliding mode, namely, the positioning cylinder 4 can slide along the axial direction of the fixed cylinder 3 and retract into the fixed cylinder 3 or stretch out of the fixed cylinder 3. Under initial condition, location section of thick bamboo 4 is kept away from 3 one end of solid fixed cylinder and 2 tip parallel and level of drill bit, and location section of thick bamboo 4 is kept away from 3 one ends of solid fixed cylinder and is provided with and grasps subassembly 6, grasps subassembly 6 and ground or wall laminating.
The grasping assembly 6 is a ring-shaped toothed plate 61 with teeth 62 at one end, the face of the ring-shaped toothed plate 61 not provided with the teeth 62 is integrally formed with the positioning cylinder 4, and the face of the ring-shaped toothed plate 61 provided with the teeth 62 faces the ground or wall surface to be drilled. During drilling, the teeth 62 can be embedded into the ground or the wall surface, so that the drill bit 2 is not easy to deviate, and accurate drilling of the drill bit 2 is realized.
Be provided with drive assembly 5 on the location section of thick bamboo 4, drive assembly 5 can drive a location section of thick bamboo 4 and slide along 3 axial of a fixed cylinder in a fixed cylinder 3, 3 one side of a fixed cylinder is provided with the power supply, the power supply welds with a fixed cylinder 3, and with drive assembly 5 welding, when drill bit 2 is at the wall or when ground drilling, under the drive effect of power supply, drive assembly 5 drives the directional fixed cylinder 3 internal contraction of a location section of thick bamboo 4, thereby realize along with drill bit 2 stretches into in the hole, a location section of thick bamboo 4 is with the form to opposite direction removal, make and grasp subassembly 6 and ground or wall laminating all the time, reach the purpose of location.
In this embodiment, the power source is preferably a stepping motor 7 with uniform rotation speed, the stepping motor 7 is arranged at one end of the fixed cylinder 3 close to the positioning cylinder 4, one side of the stepping motor 7 is welded with the outer surface of the fixed cylinder 3, and an output shaft of the stepping motor 7 is welded with the driving assembly 5.
Be provided with fixed block 8 between step motor 7 and the solid fixed cylinder 3, fixed block 8 is the arc form towards solid fixed cylinder 3 one side, with solid fixed cylinder 3 cambered surface adaptation and with solid fixed cylinder 3 welding, solid fixed cylinder 3 one side and step motor 7's lateral wall welding are kept away from to fixed block 8.
Referring to fig. 2, the driving assembly 5 includes a first gear 51 and a second gear 52. The inner diameter of the first gear 51 is larger than that of the second gear 52, the first gear 51 and the second gear 52 are horizontally arranged in parallel, the first gear 51 is sleeved on the positioning cylinder 4 and is coaxially and rotatably connected with the positioning cylinder 4, the second gear 52 is positioned on one side of the first gear 51 and is meshed with the first gear 51, and the output shaft of the stepping motor 7 is welded with the center of the second gear 52 to fix the second gear 52 on one side of the positioning cylinder 4. The stepping motor 7 drives the second gear 52 to rotate, the second gear 52 drives the first gear 51 to rotate, and the first gear 51 drives the positioning cylinder 4 to extend and retract in the fixed cylinder 3.
In order to realize the extension of the positioning cylinder 4 in the fixed cylinder 3, the outer surface of the positioning cylinder 4 is provided with an external thread 42, the inner ring of the first gear 51 is correspondingly provided with an internal thread 511, and the positioning cylinder 4 is arranged in the first gear 51 in a penetrating way and is in threaded connection with the first gear 51.
The fixed cylinder 3 has been seted up spout 31 on the inside wall towards a 4 one sides of location section of thick bamboo, and the spout 31 is seted up along a 3 axial of fixed cylinder, and a 4 one sides of location section of thick bamboo towards a 3 correspondence of fixed cylinder are provided with slider 41, and slider 41 is located a 4 one sides of being close to a fixed cylinder 3 of location section of thick bamboo, and slider 41 and a 4 integrated into one piece of a location section of thick bamboo, and slider 41 imbeds in the spout 31 and slides in spout 31, drives a location section of thick bamboo 4 simultaneously and stretches out and draws back in a 3 fixed cylinder.
In order to enable the positioning cylinder 4 to slide at a constant speed, a plurality of sliding grooves 31 are formed in the inner wall of the fixed cylinder 3, the sliding grooves 31 are uniformly arranged on the inner wall of the fixed cylinder 3, a plurality of sliding blocks 41 are also arranged on the positioning cylinder 4, the number of the sliding blocks 41 is equal to that of the sliding grooves 31, the sliding blocks 41 are arranged in the sliding grooves 31 in a one-to-one correspondence mode, the positioning cylinder 4 is driven to slide in the fixed cylinder 3 at a constant speed synchronously, the sliding blocks 41 correspond to the sliding grooves 31, the rotation of the positioning cylinder 4 is limited, and the positioning cylinder 4 cannot rotate due to the rotation of the first gear 51.
Referring to fig. 3, for realizing the stable setting of solid fixed cylinder 3, rig body 1 is close to solid fixed cylinder 3 one end and is provided with boss 9, boss 9 and 1 injection moulding of rig body, boss 9 center and the relative rotation of boss 9 are worn to locate by drill bit 2, gu fixed cylinder 3 cup joints on boss 9 with the laminating of boss 9 and with the welding of boss 9, boss 9 is close to rig body 1 one end still and welds with rig body 1, such connected mode, make the connection of fixed block 8 more stable, and fixed block 8 is difficult for rocking.
The implementation principle of the auxiliary positioning device for the drilling machine in the embodiment of the application is as follows: during installation, firstly, the first gear 51 is sleeved on the positioning cylinder 4 provided with the grasping component 6, the first gear 51 is positioned at one end, close to the fixed cylinder 3, of the positioning cylinder 4 by rotating the first gear 51, and the sliding block 41 on the positioning cylinder 4 is clamped in the sliding groove 31 in the fixed cylinder 3, so that the sliding connection between the positioning cylinder 4 and the fixed cylinder 3 is realized. The fixed cylinder 3 and the positioning cylinder 4 penetrate through the drill bit 2, the inner side wall of one end, far away from the positioning cylinder 4, of the fixed cylinder 3 is welded with the reinforcing block 9, and the port of the fixed cylinder is welded with the drilling machine body 1, so that the fixed cylinder 3 is fixed.
And then the fixed block 8 is welded on one side of the fixed cylinder 3 close to the positioning cylinder 4, the stepping motor 7 is fixed on the fixed block 8, the second gear 52 is meshed with the first gear 51, and the output shaft of the stepping motor 7 is welded with the center of the second gear 52 to finish the installation.
When the drill bit is used, a worker holds the handle 11 with two hands, the drill bit 2 is close to the ground or the wall to be drilled, the teeth 62 on the positioning cylinder 4 are embedded into the ground or the wall, so that the drill bit 2 is not easy to deviate or is pushed to one side by an anti-impact force, when the drilling is started, the stepping motor 7 is started, the output shaft of the stepping motor 7 drives the second gear 52 to rotate, the second gear 52 drives the first gear 51 to rotate, the first gear 51 rotates around the positioning cylinder 4, so that the positioning cylinder 4 contracts towards the fixing cylinder 3, the sliding block 41 on the positioning cylinder 4 slides along the sliding groove 31 in the sliding groove 31, so that the positioning cylinder 4 slides, the positioning cylinder 4 stretches into the ground or the wall along with the drill bit 2, the positioning cylinder 4 contracts towards the inside of the fixing cylinder 3 at a constant speed, and the teeth 62 are always in contact with the ground or the wall to achieve auxiliary positioning.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a rig assistance-localization real-time device, its installs on the rig, the rig includes rig body (1) and drill bit (2), drill bit (2) fixed mounting is in rig body (1) lower extreme, its characterized in that: the drilling machine is characterized in that a fixing cylinder (3) is axially arranged on the drilling machine body (1) along the drilling bit (2), the fixing cylinder (3) penetrates through the drilling bit (2) and is fixedly connected with the drilling machine body (1), one end of the drilling machine body (1) is far away from the fixing cylinder (3) and is provided with a positioning cylinder (4), the positioning cylinder (4) is axially connected with the inner side wall of the fixing cylinder (3) in a sliding mode along the fixing cylinder (3), a driving assembly (5) used for driving the positioning cylinder (4) to axially slide along the fixing cylinder (3) is arranged on the positioning cylinder (4), a power source is arranged on one side of the fixing cylinder (3), the power source is fixedly connected with the driving assembly (5), and one end of the positioning cylinder (4) far away from the fixing cylinder (3) is provided with a grasping assembly (6).
2. A drill-assisted positioning device according to claim 1, characterized in that: fixed cylinder (3) have been seted up spout (31) towards a location section of thick bamboo (4) one side along fixed cylinder (3) axial, a location section of thick bamboo (4) are close to fixed cylinder (3) one side and correspond fixedly and are provided with slider (41), slider (41) slide in spout (31).
3. A drill-assisted positioning device according to claim 2, characterized in that: the sliding grooves (31) are arranged in plurality, the sliding grooves (31) are uniformly arranged on the inner wall of the fixed cylinder (3), and the number of the sliding blocks (41) is equal to that of the sliding grooves (31) and corresponds to the positions of the sliding grooves (31) one by one.
4. A drill-assisted positioning device according to claim 1, characterized in that: the driving assembly (5) comprises a first gear (51) and a second gear (52), the first gear (51) is sleeved on the positioning cylinder (4) and is coaxially and rotatably connected with the positioning cylinder (4), the second gear (52) is positioned on one side of the positioning cylinder (4) and is meshed with the first gear (51), and the second gear (52) is fixedly connected with a power source; the outer surface of the positioning cylinder (4) is provided with an external thread (42), the inner ring of the first gear (51) is correspondingly provided with an internal thread (511), and the first gear (51) is in threaded connection with the positioning cylinder (4).
5. The drill auxiliary positioning device as claimed in claim 4, wherein: the power supply is step motor (7), step motor (7) and solid fixed cylinder (3) fixed connection, step motor (7) output shaft and second gear (52) center fixed connection.
6. The drill auxiliary positioning device as claimed in claim 5, wherein: fixed cylinder (3) are close to a location section of thick bamboo (4) one end and are provided with fixed block (8), fixed block (8) one side and fixed cylinder (3) surface fixed connection, another side and step motor (7) fixed connection.
7. A drill-assisted positioning device according to claim 1, characterized in that: the grasping assembly (6) is an annular toothed plate (61) with teeth (62) at one end, and the teeth (62) of the annular toothed plate (61) face away from the drilling machine body (1).
8. A drill-assisted positioning device according to claim 1, characterized in that: the drill bit is characterized in that a reinforcing block (9) is arranged at one end, close to the fixed barrel (3), of the drill bit body (1), the reinforcing block (9) is fixedly connected with the drill bit body (1), and the fixed barrel (3) is sleeved on the reinforcing block (9) and is fixedly connected with the reinforcing block (9).
CN202023285170.9U 2020-12-29 2020-12-29 Auxiliary positioning device for drilling machine Expired - Fee Related CN214091712U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023285170.9U CN214091712U (en) 2020-12-29 2020-12-29 Auxiliary positioning device for drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023285170.9U CN214091712U (en) 2020-12-29 2020-12-29 Auxiliary positioning device for drilling machine

Publications (1)

Publication Number Publication Date
CN214091712U true CN214091712U (en) 2021-08-31

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Application Number Title Priority Date Filing Date
CN202023285170.9U Expired - Fee Related CN214091712U (en) 2020-12-29 2020-12-29 Auxiliary positioning device for drilling machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114060028A (en) * 2021-11-11 2022-02-18 广西新港湾工程有限公司 Expander pre-embedding auxiliary device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114060028A (en) * 2021-11-11 2022-02-18 广西新港湾工程有限公司 Expander pre-embedding auxiliary device and method
CN114060028B (en) * 2021-11-11 2023-06-27 广西新港湾工程有限公司 Auxiliary device and method for embedding expander

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