CN210239662U - Drilling depth measuring device and drilling machine - Google Patents
Drilling depth measuring device and drilling machine Download PDFInfo
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- CN210239662U CN210239662U CN201920969498.0U CN201920969498U CN210239662U CN 210239662 U CN210239662 U CN 210239662U CN 201920969498 U CN201920969498 U CN 201920969498U CN 210239662 U CN210239662 U CN 210239662U
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Abstract
The utility model provides a drilling depth measuring device, includes the wheel components and fixes on the wheel components, is used for to the wheel components applys the wheel components along the drilling rod radially compress tightly the elasticity closing device of the elastic force of laminating on the drilling rod, the wheel components includes takes place relative pivoted gyro wheel and the angle collection system who is used for gathering the gyro wheel for gyro wheel gyration axis turned angle with the drilling rod. The roller is driven to rotate when the drill rod is fed or retreated, then the feeding amount of the drill rod is obtained through the rotating stroke of the roller, finally the drilling depth is obtained, compared with a method for counting the drill rods manually in the prior art, the counting error possibly existing due to human factors is avoided, the false drilling phenomenon in construction is effectively prevented, meanwhile, the equipment investment of video monitoring can be reduced, special personnel monitoring is not needed, the working efficiency of personnel and the economic benefit of a coal enterprise are greatly improved, and powerful guarantee is provided for gas control and safety production.
Description
Technical Field
The utility model belongs to the coal mine machinery field, concretely relates to can measure drilling depth's device and use device's rig.
Background
When a coal seam is mined by a well worker, a large number of drilled holes need to be constructed, and particularly for a protruding mine, the construction of extraction drilled holes with qualified quality is an important factor for guaranteeing the safety production of a coal mine. The conventional drilling construction of the coal mine is generally finished by 2-3 drillers driving drill rods into a coal rock layer through a drilling machine, the depth value of a drilled hole is obtained by counting the number of the drill rods and multiplying the number by the length of a single drill rod, the method is seriously limited by the quality of the drillers, and the phenomenon of 'false drilling' that the individual driller passes through a plurality of drill rods to falsify the drilled hole with insufficient depth to the designed hole depth exists. If the drilling depth is not enough, the later-stage gas extraction effect is seriously influenced, so that great potential safety hazards are left for coal mine production. In order to avoid the false drilling phenomenon in construction, a video monitoring and monitoring system is generally installed in a construction site of an existing mine, a camera of the system is over against the drilling construction site, a drill rod in a drill hole is withdrawn after construction is completed, the drilling rod is monitored by ground personnel, the number of the drill rods is counted and multiplied by the length of a standard drill rod to calculate the depth of the hole, the method needs an additional video monitoring system and monitoring personnel, the labor and supervision cost is high, the investment is high, errors can exist in manual monitoring, the monitoring system is prone to power failure and damage, management is inconvenient, the construction efficiency is seriously affected, and the economic benefit of a coal enterprise is further restricted. For this purpose, a simple device capable of automatically recording the drilling depth needs to be invented.
Disclosure of Invention
An object of the utility model is to provide a drilling depth measuring device to solve among the prior art drilling efficiency low, construction cost high, be not convenient for management and influence coal enterprise economic benefits's problem, in addition, the utility model also provides an use this drilling depth measuring device's rig.
In order to achieve the above object, the utility model relates to a drilling depth measuring device's technical scheme is:
the first scheme is as follows: the utility model provides a drilling depth measuring device, includes the wheel components and fixes on the wheel components, be used for to the wheel components applys the wheel components along the drilling rod radial compress tightly the elasticity closing device and the data processing system of the elastic force of laminating on the drilling rod, the wheel components includes and takes place relative pivoted gyro wheel and the angle collection system who is used for gathering the gyro wheel for gyro wheel gyration axis turned angle along drilling rod axial and drilling rod when the drilling rod is fed or is retreated, angle collection system and data processing system signal connection. The elastic pressing device presses and attaches the roller on the roller assembly on the drill rod along the radial direction of the drill rod, when the drill rod is fed or retreated, the roller is driven to rotate along with the drill rod through friction between the drill rod and the roller, and the feeding and retreating distance of the drill rod is the rotating stroke of the roller. The angle acquisition device acquires the rotation angle of the roller, the positive rotation is positive, the reverse rotation is negative, and the data processing system can calculate the displacement of the feeding of the drill rod, namely the drilling depth according to the final rotation angle of the roller acquired by the angle acquisition device and the radius of the roller.
The utility model has the advantages that: the roller is driven to rotate when the drill rod is fed or retreated, then the feeding amount of the drill rod is obtained through the rotating stroke of the roller, finally, the drilling depth is obtained, the drilling depth is automatically calculated through an instrument, compared with a method for counting the drill rods manually in the prior art, the possible metering error caused by human factors is avoided, the false drilling phenomenon in construction is effectively prevented, meanwhile, the equipment investment of video monitoring can be reduced, special personnel for monitoring is not needed, the working efficiency of personnel and the economic benefit of a coal enterprise are greatly improved, and a powerful guarantee is provided for gas control and coal mine safety production.
Scheme II: on the basis of the first scheme, the drilling depth measuring device further comprises a bearing, the bearing comprises an outer ring and an inner ring which can rotate relatively, and the elastic pressing device is fixedly arranged on one of the outer ring and the inner ring of the bearing. The bearing is fixedly arranged on the drilling machine, the elastic pressing device is fixed on the inner ring or the outer ring of the bearing, and when the drill rod rotates to feed or retreat, the roller assembly on the elastic pressing device is driven to rotate around the axis of the drill rod synchronously with the drill rod while feeding or retreating, so that the friction between the drill rod and the roller in the rotating direction of the drill rod is reduced, and the reliability of the equipment is enhanced.
The third scheme is as follows: on the basis of the second scheme, a plurality of elastic pressing devices are uniformly distributed along the circumferential direction of the inner ring or the outer ring of the bearing where the elastic pressing devices are located. Set up a plurality of elastic pressing device to can follow the reliability of the multiunit drilling depth data analysis data that obtains, through the synchronism of analysis multiunit hole depth data can avoid the driller to pass through the people and stir individual gyro wheel rotation and then pretend the drilling that does not construct the target in place to reach the drilling of design hole depth, further guarantee the authenticity of drilling data.
And the scheme is as follows: on the basis of the first to third schemes, the elastic pressing device comprises a through shaft which is axially vertical to the axial direction of the drill rod and is coplanar, and a fixing block which is in guide fit with the through shaft along the axial direction of the through shaft, the roller wheel assembly is fixedly arranged on the through shaft, and an elastic element which applies elastic acting force pressing and attaching the roller wheel on the drill rod is arranged between the through shaft and the fixing block. Through set up the elastic component between logical axle and fixed block, the elastic component exerts elastic force to leading to the axle, makes to lead to the axle to the direction motion of being close to the drilling rod along leading to the axle axis, and then compresses tightly the laminating on the drilling rod with the gyro wheel on the wheel components.
And a fifth scheme: on the basis of the fourth scheme, the roller assembly further comprises a roller frame fixedly arranged on the through shaft of the elastic pressing device, and the roller is rotatably assembled on the roller frame. The roller carrier is fixedly arranged on a through shaft of the elastic pressing device, and the elastic force generated by the elastic piece is transmitted to the roller through the roller carrier after being transmitted to the through shaft, so that the roller is pressed and attached to the drill rod. Meanwhile, the roller wheel frame can be arranged on two sides of the roller wheel, so that the elastic force received by the two sides of the roller wheel is more uniform.
The utility model relates to a technical scheme of rig is:
the first scheme is as follows: the utility model provides a drilling machine, includes the frame and sets up the drilling depth measuring device in the frame, measuring device includes the wheel components and fixes on the wheel components, is used for to the wheel components applys the wheel components along the drilling rod radially compress tightly the elasticity closing device and the data processing system of the elastic force of laminating on the drilling rod, the wheel components includes takes place relative pivoted gyro wheel and is used for gathering the gyro wheel for gyro wheel gyration axis turned angle's angle collection system, angle collection system and data processing system signal connection along the drilling rod axial with the drilling rod when the drilling rod is fed or is retreated.
Scheme II: on the basis of the first scheme, the drilling depth measuring device further comprises a bearing, the bearing comprises an outer ring and an inner ring which can rotate relatively, one of the outer ring and the inner ring is fixed on the drilling machine frame, and the other one of the outer ring and the inner ring is fixed with the elastic pressing device.
The third scheme is as follows: on the basis of the second scheme, a plurality of elastic pressing devices are uniformly distributed along the circumferential direction of the inner ring or the outer ring of the bearing where the elastic pressing devices are located.
And the scheme is as follows: on the basis of the first to third schemes, the elastic pressing device comprises a through shaft which is axially vertical to the axial direction of the drill rod and is coplanar, and a fixing block which is in guide fit with the through shaft along the axial direction of the through shaft, the roller wheel assembly is fixedly arranged on the through shaft, and an elastic element which applies elastic acting force for pressing the roller wheel onto the drill rod is arranged between the through shaft and the fixing block.
And a fifth scheme: on the basis of the fourth scheme, the roller assembly further comprises a roller frame fixedly arranged on the through shaft of the elastic pressing device, and the roller is rotatably assembled on the roller frame.
Drawings
Fig. 1 is a front view of a measuring device in embodiment 1 of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the working state of FIG. 1;
FIG. 4 is a schematic view of the entire structure of embodiment 1;
FIG. 5 is a schematic view of the installation of the measuring device on the drilling rig;
fig. 6 is a schematic view of one of the installation manners of the measuring device in embodiment 2 of the present invention;
fig. 7 is a schematic structural diagram of one of the measuring devices in embodiment 2 of the present invention;
fig. 8 is another schematic structural diagram of a measuring device in embodiment 2 of the present invention;
fig. 9 is a schematic structural view of embodiment 3 of the present invention;
FIG. 10 is a schematic sectional view taken along line A-A of FIG. 9;
fig. 11 is another schematic structural diagram of the elastic pressing device according to embodiment 3 of the present invention.
Detailed Description
The utility model relates to a drilling depth measuring device's embodiment example 1, as shown in fig. 1 to 5, this drilling depth measuring device is including setting firmly bearing 3 in rig holder the place ahead, and bearing 3's outer lane 32 passes through the mount to be fixed on rig 1, all is equipped with three group's elasticity closing device 4 along the circumferencial direction on bearing 3's inner circle 31 side, has set firmly wheel components 5 on the elasticity closing device 4, and wheel components is last 5 to be equipped with angle sensor 53, and angle sensor 53 is connected with data processing system signal 6.
The elastic pressing device 4 comprises a fixed block 41, a through shaft 42 and a pressure spring 43, and the fixed block of the elastic pressing device 4 is fixedly arranged on the inner ring 31 of the bearing. The upper part of the fixing block 41 is provided with an upper baffle lug 411 with a protruded outer edge, the middle part is a cylindrical cavity, and the bottom end is provided with a lower baffle 412 extending towards the inside of the cavity. The through shaft penetrates through the fixing block, the top of the through shaft is of a T-shaped structure, the shape of the top of the T-shaped structure is matched with that of a cavity in the middle of the fixing block, the middle part of the through shaft penetrates out of the middle of a lower retaining piece of the fixing block, and the lower portion of the through shaft is provided with a lower retaining lug 421 corresponding to the upper retaining lug of the fixing block. Here, the through shaft forms the direction cooperation with the fixed block along self axial, and the through shaft can be in the fixed block along through shaft axial up-and-down motion.
A pressure spring 43 is sleeved outside the fixing block between an upper stop lug of the fixing block and a lower stop lug of the through shaft, two ends of the pressure spring 43 are respectively and fixedly arranged on the upper stop lug 411 of the fixing block and the lower stop lug 421 of the through shaft, the lower part of the through shaft can be driven to extend out of a cavity of the fixing block downwards under the pushing action of the pressure spring, and when the upper part of the through shaft moves to the lower stop piece of the fixing block, a T-shaped structure at the top of the through shaft is in blocking fit with the lower stop piece, so that the through shaft is prevented from sliding out of the fixing block; when the through shaft moves upwards to the position of the lower baffle plate of the fixing block, the lower baffle lug on the through shaft is in blocking fit with the lower baffle plate on the fixing block, and the part below the lower baffle lug is prevented from entering the cavity of the fixing block.
The lower part of the through shaft is fixedly provided with a roller assembly 5, the roller assembly 5 comprises a roller frame 51 and a support shaft 52 arranged in the middle of the roller frame,the supporting shaft is sleeved with a roller 54 capable of rotating around the supporting shaft, an angle sensor 53 is arranged between the roller 54 and the supporting shaft 52, and the angle sensor 53 can acquire angle data of the roller 54 rotating relative to the supporting shaft 52. In this embodiment, the angle sensor constitutes an angle collecting device, in other embodiments, the angle collecting device can also be a photoelectric counter, and when the photoelectric counter passes through the counter through the spokes on the collection roller, the number of times of light emitted by the light source of the counter is shielded, and the total number of spokes on the roller is combined, so that the rotating angle of the roller is calculated. And a space for the drill rod 2 to pass through is reserved in the middle of the rollers on the three roller assemblies, the size of the space is slightly smaller than the size of the cross section of the drill rod, when the drill rod passes through the space formed in the middle of the three roller assemblies, the drill rod pushes the rollers open along the radial direction of the drill rod, the pressure spring on the elastic pressing device further contracts, and under the action of the pressure spring, the pressure spring pushes the through shaft to press the rollers on the roller frame on the drill rod. When the drilling machine drives the drill rod to rotate and feed, the friction force between the drill rod and the roller drives the roller and the elastic pressing device to rotate around the bearing rotation axis, the roller rotates on the drill rod synchronously along the axial direction of the drill rod, the angle sensor collects the rotation angle data of the roller relative to the axial direction of the supporting shaft and then transmits the data to the signal processing system in signal connection with the angle sensor, and the signal processing system calculates the rotation stroke of the roller according to the collected rotation angle data of the roller and the radius of the roller. When the drill rod is fed in, the roller rotating angle collected by the angle sensor is recorded as a positive value, when the drill rod is retreated, the roller rotating angle collected by the angle sensor is recorded as a negative value, and when the drill rod is only fed in or retreated without rotating, the same roller only rotates around the support shaft and does not rotate around the axis of the drill rod through the bearing. The data processing system is based on a formula
Obtaining the roller travel, namely the drilling depth of the drilling machine construction; wherein s is the stroke of the roller in the measured time period, namely the drilling depth,rthe outer diameter of the roller, A, is the angle of rotation of the roller relative to the support shaft during the measured period.
As a specific embodiment 2 of the drilling depth measuring device of the present invention, the difference from embodiment 1 is that: in embodiment 1, the elastic pressing device and the roller assembly are fixedly arranged outside the bearing, and in embodiment 2, as shown in fig. 6, the elastic pressing device and the roller assembly are fixedly arranged inside the bearing; in addition, the elastic pressing device can be fixedly arranged on the inner ring and also can be fixedly arranged on the outer ring of the bearing; in the first embodiment, three groups of elastic pressing devices are uniformly distributed along the inner ring of the bearing, and in other embodiments, two groups, four groups, and the like can be distributed, as shown in fig. 7 to 8. Through setting up multiunit gyro wheel measuring device, the hole depth data that finally surveyed can be analyzed to the technical staff, and the data is unanimous then explains the hole depth data reliable, and the inconsistent condition that probably exists the artificial great hole depth of obtaining through rotating the gyro wheel of data to thoroughly stop the phenomenon of construction false drilling.
As a specific embodiment 3 of the drilling depth measuring device of the present invention, it is different from embodiment 1 in that: in embodiment 1, the elastic pressing device is a structure in which a hollow fixed block is guided and matched with a "T" -shaped through shaft and a pressure spring is provided, in this embodiment 3, as shown in fig. 9 to 10, the elastic pressing device adopts a structure in which an "L" -shaped fixed column 41 is guided and matched with an "L" -shaped sliding block 42, the fixed column 41 is provided with a "wedge-shaped" protruding portion, the sliding block 42 is provided with a through groove matched with the shape of the fixed column wedge-shaped protruding portion, a tension spring 43 is provided between the fixed column and the sliding block, the sliding block can move up and down on the fixed column along the axial direction of the fixed shaft under the action of the tension spring, or a structure as shown in fig. 11 is provided, and a.
This novel rig of reality, the drilling depth measuring device who sets firmly on rig fuselage and the fuselage, this drilling depth measuring device has the same structure with the hole depth measuring device in above-mentioned embodiment, no longer gives unnecessary details here.
Claims (6)
1. The utility model provides a drilling depth measuring device, measuring device includes wheel components, data processing system and fixes on wheel components, is used for to wheel components applys the elastic compression device who compresses tightly wheel components along the drilling rod radial elasticity effort of laminating on the drilling rod, wheel components includes along the drilling rod axial when the drilling rod is fed or is retreated and take place relative pivoted gyro wheel and the angle collection system who is used for gathering gyro wheel for gyro wheel gyration axis turned angle, angle collection system and data processing system signal connection, its characterized in that with the drilling rod axial: the drilling depth measuring device also comprises a bearing, the bearing comprises an outer ring and an inner ring which can rotate relatively, and the elastic pressing device is fixedly arranged on one of the outer ring and the inner ring of the bearing; the elastic pressing devices are uniformly distributed along the circumferential direction of the inner ring or the outer ring of the bearing where the elastic pressing devices are located.
2. A borehole depth measuring device according to claim 1, wherein: the elastic pressing device comprises a through shaft which is axially vertical to the axial direction of the drill rod and is coplanar with the axial direction of the drill rod, and a fixing block which is matched with the through shaft in a guiding manner along the axial direction of the through shaft, wherein the roller wheel assembly is fixedly arranged on the through shaft, and an elastic part which applies elastic acting force for pressing the roller wheel onto the drill rod is arranged between the through shaft and the fixing block.
3. A borehole depth measuring device according to claim 2, wherein: the roller assembly further comprises a roller frame fixedly arranged on the through shaft of the elastic pressing device, and the roller is rotatably assembled on the roller frame.
4. The utility model provides a drilling machine, includes the frame and sets up the drilling depth measuring device in the frame, measuring device includes wheel components, data processing system and fixes on wheel components, is used for applying the wheel components along the elastic force of the radial laminating on the drilling rod of drilling rod with wheel components to wheel components, wheel components include when the drilling rod is fed or is retreated along the drilling rod axial with the drilling rod take place relative pivoted gyro wheel and be used for gathering the gyro wheel for gyro wheel gyration axis turned angle's angle collection system, angle collection system and data processing system signal connection, its characterized in that: the drilling depth measuring device also comprises a bearing, wherein the bearing comprises an outer ring and an inner ring which can rotate relatively, one of the outer ring and the inner ring is fixed on a rack of the drilling machine, and the other is fixed with the elastic pressing device; the elastic pressing devices are uniformly distributed along the circumferential direction of the inner ring or the outer ring of the bearing where the elastic pressing devices are located.
5. A drilling rig according to claim 4, characterized in that: the elastic pressing device comprises a through shaft which is axially vertical to the axial direction of the drill rod and is coplanar with the axial direction of the drill rod, and a fixing block which is matched with the through shaft in a guiding manner along the axial direction of the through shaft, wherein the roller wheel assembly is fixedly arranged on the through shaft, and an elastic part which applies elastic acting force for pressing the roller wheel onto the drill rod is arranged between the through shaft and the fixing block.
6. A drilling rig according to claim 5, characterized in that: the roller assembly further comprises a roller frame fixedly arranged on the through shaft of the elastic pressing device, and the roller is rotatably assembled on the roller frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969498.0U CN210239662U (en) | 2019-06-26 | 2019-06-26 | Drilling depth measuring device and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969498.0U CN210239662U (en) | 2019-06-26 | 2019-06-26 | Drilling depth measuring device and drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN210239662U true CN210239662U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920969498.0U Active CN210239662U (en) | 2019-06-26 | 2019-06-26 | Drilling depth measuring device and drilling machine |
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| CN (1) | CN210239662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350488A (en) * | 2020-05-09 | 2020-06-30 | 新疆雪峰科技(集团)股份有限公司 | Method and device for monitoring drilling depth and drilling speed of mine down-the-hole drilling machine |
-
2019
- 2019-06-26 CN CN201920969498.0U patent/CN210239662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350488A (en) * | 2020-05-09 | 2020-06-30 | 新疆雪峰科技(集团)股份有限公司 | Method and device for monitoring drilling depth and drilling speed of mine down-the-hole drilling machine |
| CN111350488B (en) * | 2020-05-09 | 2022-12-30 | 新疆雪峰科技(集团)股份有限公司 | Method and device for monitoring drilling depth and drilling speed of mine down-the-hole drilling machine |
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