CN211230439U - Sampling detection device for ground deep hole blasting finished product - Google Patents
Sampling detection device for ground deep hole blasting finished product Download PDFInfo
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- CN211230439U CN211230439U CN201922312088.1U CN201922312088U CN211230439U CN 211230439 U CN211230439 U CN 211230439U CN 201922312088 U CN201922312088 U CN 201922312088U CN 211230439 U CN211230439 U CN 211230439U
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Abstract
The utility model relates to a sampling detection device for ground deep hole blasting finished products, which comprises a front driving bearing, a rear driving bearing, a motor group, a rotator and a connecting shaft; the rotary body is uniformly provided with a plurality of distance measuring sensors in the radial direction, the front end and the rear end of the rotary body are respectively connected with a connecting shaft, and the two connecting shafts are respectively connected with the front drive bearing and the rear drive bearing, so that the rotary body can rotate between the front drive bearing and the rear drive bearing; the front drive bearing and the rear drive bearing are respectively provided with at least three elastic supporting wheels along the radial direction; the motor set is fixed on an outer ring of the rear-drive bearing, a rotating shaft of the motor set is coaxially connected with the connecting shaft, and a pull wire ring is arranged at the rear end of the motor set; the distance measuring sensor uploads measured data to the upper computer to be displayed, accurate detection can be carried out in the blasting deep hole according to the scheme, and therefore whether broken stones exist in the blasting deep hole or not is determined, and accordingly, blasting precision is improved.
Description
Technical Field
The utility model relates to the technical field, concretely relates to ground deep hole blasting sampling detection device for finished product.
Background
At present, underground tunnels and underground space development are in hot tide periods, a shield construction technology is used as a main construction means, and due to the fact that regions are different in the shield construction process, single strata, composite strata, special strata and the like can appear in the strata in the shield construction process. The stratum condition is directly related to the model selection and the adaptability of the shield machine. The positions, sizes and strength of the boulders and the position relation of the tunnel must be investigated and counted before construction, the grain sizes of the boulders after blasting are all smaller than 30cm, the shield tunneling requirements are met, meanwhile, blasting construction can be performed before shield construction, and the shield construction period is shortened. Deep hole blasting, namely blast hole blasting technology with the drill hole diameter larger than 75mm and the hole depth larger than 5 m. The deep hole blasting has the advantages of small unit drilling amount, low unit explosive consumption, high production efficiency, convenience in blasting, digging, loading, transporting and the like by adopting comprehensive mechanical construction, and is widely applied to open-air and underground excavation engineering. Deep hole blasting can be combined with technologies such as presplitting blasting, smooth blasting and millisecond blasting to obtain the effects of leveling an excavation surface, stabilizing surrounding rocks and improving the engineering construction quality. Before blasting, blasting drilling must be carried out, the quality of blast hole directly influences blasting effect, and blast hole creeps into and generally detects downthehole seldom after accomplishing, and some rubbles can remain in the blast hole usually to influence blasting effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a ground deep hole explodes sampling detection device for finished product, can carry out the accuracy to exploding in the deep hole and detect to whether there is the rubble in the definite blasting deep hole, thereby get rid of, improve the blasting precision.
The purpose of the utility model is realized through the following technical scheme:
a sampling detection device for a ground deep hole blasting finished product comprises a front-drive bearing, a rear-drive bearing, a motor set, a rotating body and a connecting shaft;
the rotary body is uniformly provided with a plurality of distance measuring sensors in the radial direction, the front end and the rear end of the rotary body are respectively connected with a connecting shaft, and the two connecting shafts are respectively connected with the front drive bearing and the rear drive bearing, so that the rotary body can rotate between the front drive bearing and the rear drive bearing;
the front drive bearing and the rear drive bearing are respectively provided with at least three elastic supporting wheels along the radial direction;
the motor set is fixed on an outer ring of the rear-drive bearing, a rotating shaft of the motor set is coaxially connected with the connecting shaft, and a pull wire ring is arranged at the rear end of the motor set;
and the distance measuring sensor uploads measured data to an upper computer for display.
The characteristics that this scheme utilization blast hole was generally seted up downwards, design one kind and can follow the device of blast hole gliding down under the action of gravity, whether it has the rubble to remain along blast hole extending direction measurement its lateral wall, through design a rotator that can rotate on the device, evenly set up a plurality of distance measuring sensor on the rotator, an interval for measuring sensor apart from between the blast hole lateral wall, whether there is the rubble to remain and whether pit such as collapse appears according to the change judgement of interval, through the experimental proof many times, its structure is comparatively accurate, very big improvement the quality of blast hole, the blasting effect of being more accurate.
Further, the front end of the front driving bearing is designed to be conical. The design is conical, so that the device has certain sprinting capacity and can reopen the barrier of small-sized broken stones.
Further, the motor unit comprises a shell and a motor, the end face of the shell is fixed on an outer ring of the rear-drive bearing, the motor is installed in the shell, a rotating shaft of the motor extends into the connecting shaft, and coaxial transmission is formed by fixedly connecting the rotating shaft of the motor with the inner wall of the connecting shaft through a connecting plate. The rotating body is driven to rotate by the motor, so that the distance measuring sensor continuously sweeps the inner wall of the blast hole, and the measuring accuracy is improved.
Further, the pull wire ring is fixed on the end face of the shell.
Furthermore, the distance measuring sensor is an infrared distance measuring sensor with a compensating light source.
The utility model has the advantages that: the device for carrying out related inspection on the blasting holes does not exist at present, the design of the device successfully fills the gap, and plays a vital role in improving the blasting precision, so that the building construction precision is higher, the blasting effect is better, the device is simple in structure, small in size, convenient to carry and popularize and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the rear end face of the present invention;
fig. 3 is a sectional view of the rear portion of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in figure 1, the sampling detection device for the ground deep hole blasting finished product comprises a front drive bearing 1, a rear drive bearing 2, a motor group 4, a rotating body 5 and a connecting shaft 8. The rotating body 5 is uniformly provided with a plurality of distance measuring sensors 6 in the radial direction, in this embodiment, the rotating body 5 is provided with six distance measuring sensors 6 in the radial direction, the central angle between two adjacent distance measuring sensors is 60 °, and the structure thereof can be referred to fig. 2. Meanwhile, the rotating body 5 is of a hollow structure, the rotating body 5 is essentially a section of cylinder, and necessary circuits, power supplies and the like for packaging the distance measuring sensor 6 are arranged in a hollow bin. The front end and the rear end of the rotating body 5 are respectively connected with a section of connecting shaft 8, the two connecting shafts 8 are respectively connected with the front drive bearing 1 and the rear drive bearing 2, the rear drive bearing 2 is described as an example, and as shown in fig. 3, the rear drive bearing 2 comprises an outer ring 21, an inner ring 22, and balls between the outer ring 21 and the inner ring 22. The connecting shaft 8 is fixed between the inner rings 22 so that the rotary body 5 can rotate between the front drive bearing 1 and the rear drive bearing 2. The front-drive bearing 1 and the rear-drive bearing 2 are respectively provided with at least three elastic supporting wheels 3 along the radial direction, and the elastic supporting wheels 3 are used for being attached to the inner wall of the blast hole in the blast hole and sliding down along the blast hole under the action of gravity. The motor group 4 is fixed on an outer ring 21 of the rear-drive bearing 2, a rotating shaft of the motor group 4 is coaxially connected with the connecting shaft 8, and a pull ring 7 is arranged at the rear end of the motor group 4. The pull wire ring 7 is used for connecting a pull wire, and the pull wire is held by hand during measurement to recover the device and control the speed in the lower process. The distance measuring sensor 6 uploads measured data to an upper computer for displaying, and whether broken stones remain in the blast hole or not can be obtained according to the change of the distance between the distance measuring sensor 6 and the inner wall of the blast hole, so that cleaning is performed. Further, the front end of the front drive bearing 1 is designed to be conical, and is designed to be solid metal, so that the front drive bearing has larger gravity and slides downwards as a traction device. More specifically, the motor assembly 4 includes a housing 41 and a motor 42, an end surface of the housing 41 is fixed to the outer ring 21 of the rear drive bearing 2, the motor 42 is installed in the housing 41, a rotating shaft of the motor 42 extends into the connecting shaft 8, and is fixedly connected with an inner wall of the connecting shaft 8 through a connecting plate 81 to form coaxial transmission, and the structure of the coaxial transmission can refer to fig. 3. Preferably, the distance measuring sensor 6 is an infrared distance measuring sensor with a compensating light source.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. A sampling detection device for ground deep hole blasting finished products is characterized by comprising a front-drive bearing (1), a rear-drive bearing (2), a motor group (4), a rotating body (5) and a connecting shaft (8);
the rotary body (5) is uniformly provided with a plurality of distance measuring sensors (6) in the radial direction, the front end and the rear end of the rotary body (5) are respectively connected with a section of connecting shaft (8), and the two connecting shafts (8) are respectively connected with the front drive bearing (1) and the rear drive bearing (2), so that the rotary body (5) can rotate between the front drive bearing (1) and the rear drive bearing (2);
the front drive bearing (1) and the rear drive bearing (2) are respectively provided with at least three elastic supporting wheels (3) along the radial direction;
the motor group (4) is fixed on an outer ring (21) of the rear-drive bearing (2), a rotating shaft of the motor group (4) is coaxially connected with the connecting shaft (8), and a pull wire ring (7) is arranged at the rear end of the motor group (4);
and the distance measuring sensor (6) uploads measured data to an upper computer for display.
2. The sampling detection device for the ground deep hole blasting finished product according to claim 1, characterized in that the front end of the front-drive bearing (1) is designed to be conical.
3. The sampling detection device for the ground deep hole blasting finished product according to claim 1, wherein the motor group (4) comprises a shell (41) and a motor (42), the end face of the shell (41) is fixed on an outer ring (21) of the rear drive bearing (2), the motor (42) is installed in the shell (41), and a rotating shaft of the motor (42) extends into the connecting shaft (8) and is fixedly connected with the inner wall of the connecting shaft (8) through a connecting plate (81) to form coaxial transmission.
4. The sampling detection device for the ground deep hole blasting finished product according to claim 3, characterized in that the pull wire ring (7) is fixed on the end face of the shell (41).
5. The sampling detection device for the ground deep hole blasting finished product according to claim 1, characterized in that the distance measuring sensor (6) is an infrared distance measuring sensor with a compensating light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312088.1U CN211230439U (en) | 2019-12-20 | 2019-12-20 | Sampling detection device for ground deep hole blasting finished product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312088.1U CN211230439U (en) | 2019-12-20 | 2019-12-20 | Sampling detection device for ground deep hole blasting finished product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230439U true CN211230439U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922312088.1U Active CN211230439U (en) | 2019-12-20 | 2019-12-20 | Sampling detection device for ground deep hole blasting finished product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230439U (en) |
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2019
- 2019-12-20 CN CN201922312088.1U patent/CN211230439U/en active Active
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