CN211503864U - Be used for shaft blasting excavation to prevent stifled monitoring devices - Google Patents
Be used for shaft blasting excavation to prevent stifled monitoring devices Download PDFInfo
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- CN211503864U CN211503864U CN201922498016.0U CN201922498016U CN211503864U CN 211503864 U CN211503864 U CN 211503864U CN 201922498016 U CN201922498016 U CN 201922498016U CN 211503864 U CN211503864 U CN 211503864U
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Abstract
The utility model relates to an anti-blocking monitoring device for shaft blasting excavation, which comprises a body, a fixing device, a filtering system, a vibrating system, a sliding system and a monitoring system, wherein the fixing device, the filtering system, the vibrating system, the sliding system and the monitoring system are assembled on the body; the fixing device comprises a fixing ring which is fixedly arranged on the outer side of the body in the circumferential direction; the filtering system comprises a plurality of slag inlet holes and a slag discharge hole, wherein the slag inlet holes are respectively positioned on the side surface of the body; the slag inlet hole is positioned on the fixing ring, the vibration systems are symmetrically arranged at two sides of the slag discharge hole, and the sliding systems are assembled on the vibration systems; this device is cylinder tubbiness vibration filter equipment, and the ladle body diameter slightly is less than the sediment well diameter, before row's sediment, is fixed in the sediment well head with the device, discharges the slabstone into the bucket through six round holes in the ladle body side, and the round hole diameter is 1/3 sediment well diameter, can play the massive effect of filtration, has vibrating device in the bucket, can discharge the slabstone of going into in the bucket through the bucket in the sediment hole discharge fast, improves the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of underground works, concretely relates to be used for shaft blasting excavation to prevent stifled monitoring devices.
Background
The construction of the ventilation shaft of the tunnel by adopting the shaft reversing method is a novel shaft construction technology. The construction method can be briefly described as follows: the three-in three-out method is characterized in that a raise boring machine is adopted to firstly bore from the top of a vertical shaft to the bottom of the vertical shaft to form a pilot hole, then a row of slag discharging wells are formed by reversely expanding from the bottom of the vertical shaft, and then blasting excavation is carried out from the top of the vertical shaft to form the vertical shaft. The slag discharging well is used for discharging blasting stone slag and rock stratum water burst. When slagging, because once the sediment volume of arranging is too big or the rock bold rate is too high, often lead to the sediment well to block up, be difficult to judge whether sediment well blocks up when the construction, in case block up, the jam section is usually longer, and the mediation degree of difficulty is great. The common method for solving the blockage of the vertical shaft at present is to adjust blasting parameters, and the blasting unit consumption, the explosive quantity, the hole distance, the hole depth and other parameters are adjusted, so that the lumpiness after blasting is as small as possible, and the blockage of the slag discharging shaft is prevented. However, the action relationship between the blasting parameters and the blasting bulkiness is complex and complicated, the current research can only be qualitatively analyzed, and is limited by the actual construction conditions on site and the operation level of constructors, the effect is small, and the construction cost is greatly increased.
In view of the above technical problems, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an anti-blocking monitoring device for shaft blasting excavation, which integrates slag discharge and anti-blocking and shaft blockage monitoring, is suitable for mechanical and manual slag discharge and has wide application range; the vertical shaft can be effectively prevented from being blocked, the slag discharge amount is calculated, the slag discharge speed is controlled, and the slag discharge state of the vertical shaft can be monitored.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an anti-blocking monitoring device for shaft blasting excavation comprises a body, a fixing device, a filtering system, a vibrating system, a sliding system and a monitoring system, wherein the fixing device, the filtering system, the vibrating system, the sliding system and the monitoring system are assembled on the body; the fixing device comprises a fixing ring which is fixedly arranged on the outer side of the body in the circumferential direction; the filtering system comprises a plurality of slag inlet holes and a slag discharge hole, wherein the slag inlet holes are respectively positioned on the side surface of the body; the slag inlet hole is positioned on the fixing ring, the vibrating systems are symmetrically arranged on two sides of the slag discharge hole, and the sliding systems are assembled on the vibrating systems.
As an optimal mode of the utility model, the slag inlet holes are provided with 6, the annular equal distance is distributed on the side wall of the body, and the inner diameter of the slag inlet hole is 1/3 of the inner diameter of the body.
As an optimized mode of the utility model, the vibration system is including setting firmly in the motor of body bottom, and the motor tip is equipped with the eccentric block, forms eccentric vibration, connects the vibrating mass on the eccentric block, and sliding system is connected at the vibrating mass top, provides the vibration for sliding system.
As a preferred mode of the utility model, sliding system includes the sliding block, is formed with the glide plane on the sliding block, and the supporting shoe that is T shape distribution is being connected to the sliding block bottom, has laid a plurality of resilient support under the supporting shoe, and the sliding block is equipped with the slip track with body inner wall junction.
As a preferable mode of the present invention, the inclination angle of the sliding block is 120 ° to 140 °.
As an optimized mode of the utility model, the elastic support is provided with 4, and the equidistance is laid in the supporting shoe lower extreme.
As an optimized mode of the utility model, the supporting shoe is equipped with spacing slip track with the body inner wall junction.
As an optimal mode of the utility model, the bottom of the monitoring system is formed with the ventilation hole on the deslagging hole both sides of the body that is symmetrically distributed.
As the utility model discloses an optimal mode, monitoring system is including the anemometry appearance that is located ventilation hole top and body inner wall connection, and last alarm device of connecting of anemometry appearance.
As the utility model discloses an optimal mode still includes and promotes conveyer, promote conveyer including setting firmly 2 rings at the body top, 2 rings symmetry lay on the body.
The utility model discloses a use method does: after the blasting operation is finished, the device is placed on a vertical shaft slag discharging well through the lifting ring, and then the device is electrified and started after the stone slag is accumulated on the fixing ring. The stone slag enters the device through a slag inlet on the side surface of the device, enters a slag outlet along a sliding surface and is discharged into a slag discharging well; when the slag is discharged, if the slag discharge well is blocked, the device can give an alarm, the slag discharge is stopped, the blockage reason is found out, and the slag is discharged after the blockage is removed. After all the stone slag is removed, the stone slag is transported away from the construction site through the hoisting ring.
The utility model has the advantages that:
1. the device is a cylindrical barrel-shaped vibration filtering device, the diameter of a barrel body is slightly smaller than that of a slag discharge well, the device is fixed on a slag discharge well head before slag discharge, stone slag is discharged into a barrel through six circular holes in the side surface of the barrel body, the diameter of the circular hole is 1/3 that of the slag discharge well, the effect of filtering large blocks can be achieved, the vibration device is arranged in the barrel, the stone slag discharged into the barrel can be rapidly discharged through a slag discharge hole in the barrel, and the construction efficiency is improved;
2. the well barrel is a closed device, so that the construction personnel can be protected from falling into the slag discharging well during slag discharging construction, and the effect of protecting the construction personnel is achieved;
3. the utility model monitors the airflow change in the guide shaft through the airflow monitoring devices with symmetrically distributed bottoms, can be used for judging the slag discharge state of the shaft, and can warn to stop construction if the shaft is blocked;
4. the top of the device is provided with a lifting and transporting device, so that the lifting and transporting of the device are facilitated, and when slag is discharged to block the well, the device can be lifted to remove blockage.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
fig. 3 is a side view of an embodiment of the invention;
reference numbers in the figures: the device comprises a fixing ring 1, a slag inlet hole 2, a sliding block 3, a slag discharge hole 4, a motor 5, an alarm device 6, a wind speed measuring instrument 7, a sliding track 8, an elastic support 9, a limiting sliding track 10, a hanging ring 11, a supporting block 12, a ventilation hole 13 and a body 20.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1-3, an anti-blocking monitoring device for shaft blasting excavation comprises a body 20, a fixing device, a filtering system, a vibrating system, a sliding system and a monitoring system, wherein the fixing device, the filtering system, the vibrating system, the sliding system and the monitoring system are assembled on the body 20; the fixing device comprises a fixing ring 1, and the fixing ring 1 is fixedly arranged on the outer side of the body 20 in the circumferential direction; the filtering system comprises a plurality of slag inlet holes 2 and slag discharge holes 4, wherein the slag inlet holes 2 are respectively positioned on the side surface of the body 20, and the slag discharge holes 4 are positioned at the bottom of the body 20; the slag inlet hole 2 is positioned on the fixed ring 1, the vibration systems are symmetrically arranged at two sides of the slag discharge hole 4, and the sliding system is assembled on the vibration systems; this device is cylinder tubbiness vibration filter equipment, and the ladle body diameter slightly is less than the sediment well diameter, before row's sediment, is fixed in the sediment well head with the device, discharges the slabstone into the bucket through six round holes in the ladle body side, and the round hole diameter is 1/3 sediment well diameter, can play the massive effect of filtration, has vibrating device in the bucket, can discharge the slabstone of going into in the bucket through the bucket in the sediment hole discharge fast, improves the efficiency of construction.
Specifically, it is provided with 6 to advance sediment hole 2, and the annular equidistance is laid in the body 20 lateral wall, advances the internal diameter of sediment hole 2 and is 1/3 of body 20 internal diameter.
The vibration system comprises a motor 5 fixedly arranged at the bottom of the body 20, an eccentric block is arranged at the end part of the motor 5 to form eccentric vibration, the eccentric block is connected with a vibration block, and the top of the vibration block is connected with a sliding system to provide vibration for the sliding system; the sliding system comprises a sliding block 3, a sliding surface is formed on the sliding block, the bottom of the sliding block is connected with supporting blocks 12 which are distributed in a T shape, a plurality of elastic supports 9 are distributed below the supporting blocks 12, 4 elastic supports 9 are arranged, and the elastic supports are equidistantly distributed at the lower ends of the supporting blocks 12; a sliding track 8 is arranged at the joint of the sliding block and the inner wall of the body 20; a limiting sliding track 10 is arranged at the joint of the supporting block 12 and the inner wall of the body 20; the sliding distance of the sliding block 3 can be limited through the sliding track 8 and the limiting sliding track 10, the sliding block moves up and down at high frequency to form vibration, and the inclination angle of the sliding block 3 is 135 degrees.
The monitoring system is symmetrically distributed on two sides of the slag discharging hole 4 of the body 20, and a vent hole 13 is formed at the bottom of the body 20; the monitoring system comprises an anemometer 7 which is positioned above the vent hole 13 and connected with the inner wall of the body 20, and the anemometer 7 is connected with an alarm device 6; the utility model discloses an air current monitoring devices monitoring of bottom symmetric distribution leads the interior air current change of well, can be used to judge the state of the row's of sediment of shaft, if take place stifled well, can warn and stop the construction.
The utility model provides a be used for shaft blasting excavation to prevent stifled monitoring devices still includes and promotes conveyer, promote conveyer including setting firmly 2 rings 11 at body 20 top, 2 rings 11 symmetry lay on the body 20.
By adopting the technical scheme, the lifting and transportation of the device are facilitated, and when slag discharge and well plugging occur at the face, the device can be lifted to remove the blockage.
The utility model discloses a working process does: after the blasting operation is finished, the device is placed right above the slag discharging well through the hanging ring, and at the moment, the part below the fixing ring of the device is in the slag discharging well. The fixing ring 1 is filled with the stone slag, the device is fixed above the slag discharging well, and the power supply is switched on to start the device. The blasted stone slag is discharged into the equipment through six slag inlet holes 2 in the side face of the device along the blasting slope surface manually or mechanically, the diameter of a slag inlet is 1/3 of the diameter of the slag discharging well and is the same as that of the slag discharging port 4, if large blocks larger than 1/3 of the diameter of the slag discharging well are available, the slag discharging holes are blocked, the large blocks need to be removed manually or mechanically, the large blocks are thrown into the slag discharging well after being crushed additionally, and the large blocks can be prevented from entering the slag discharging well, so that the function of screening the large blocks is achieved. The rock slag enters a slag discharge hole 4 along the sliding surface 3 and enters a slag discharge well. The motor 5 passes to the vibration through the eccentric block and supports T shape, at the glide plane that transmits on the sliding block 3, the glide plane reciprocates at a small margin, high frequency under the effect of slip track 8 and 10 and forms the vibration, can accelerate the inside rock mass landing entering slag discharging port 4 of access device, improves row's sediment efficiency, prevents the inside jam of instrument. The inside of the deslagging well is provided with updraft, whether the deslagging well is blocked can be judged through the change of the updraft, the wind speed in the deslagging well is monitored through a wind speed measuring device 7 symmetrically arranged at the bottom of the device, the programmed blockage alarm device 6 is connected to the wind speed measuring device 7, when the wind speed obviously drops, the wind speed measuring device 6 gives an alarm to prompt that the deslagging well is blocked, at the moment, the construction is stopped, the blockage reason is found out, and deslagging is carried out after blocked rock blocks are removed. After the slag discharge construction is finished, the device is lifted to leave a construction site through a lifting ring 11 at the top of the device.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the technical scheme includes that terms such as a fixed ring 1, a slag inlet hole 2, a sliding block 3, a slag discharge hole 4, a motor 5, an alarm device 6, an anemometer 7, a sliding track 8, an elastic support 9, a limiting sliding track 10, a lifting ring 11, a supporting block 12, a ventilation hole 13, a body 20 and the like are used, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A is used in the explosion excavation of the vertical shaft to defend the monitoring device of the block up, characterized by; comprises a body (20), a fixing device, a filtering system, a vibration system, a sliding system and a monitoring system which are assembled on the body (20); the fixing device comprises a fixing ring (1), and the fixing ring (1) is fixedly arranged on the outer side of the body (20) in the circumferential direction; the filtering system comprises a plurality of slag inlet holes (2) respectively positioned on the side surface of the body (20) and a slag discharge hole (4) positioned at the bottom of the body (20); the slag inlet hole (2) is positioned on the fixing ring (1), the vibrating systems are symmetrically arranged on two sides of the slag discharge hole (4), and the sliding system is assembled on the vibrating systems.
2. The device for preventing blockage of the shaft blasting excavation according to claim 1, wherein: the number of the slag inlet holes (2) is 6, the slag inlet holes are distributed on the side wall of the body (20) at equal intervals in an annular mode, and the inner diameter of each slag inlet hole (2) is 1/3 of the inner diameter of the body (20).
3. The device for preventing blockage of the shaft blasting excavation according to claim 1, wherein: the vibrating system comprises a motor (5) fixedly arranged at the bottom of the body (20), an eccentric block is arranged at the end of the motor (5) to form eccentric vibration, a vibrating block is connected to the eccentric block, and the top of the vibrating block is connected with a sliding system to provide vibration for the sliding system.
4. The device for monitoring the blockage prevention of the shaft blasting excavation according to claim 3, wherein: the sliding system comprises a sliding block (3), a sliding surface is formed on the sliding block, supporting blocks (12) which are distributed in a T shape are connected to the bottom of the sliding block, a plurality of elastic supports (9) are arranged below the supporting blocks (12), and a sliding track (8) is arranged at the joint of the sliding block and the inner wall of the body (20).
5. The device for monitoring blockage prevention of shaft blasting excavation according to claim 4, wherein: the inclination angle of the sliding block (3) is 120-140 degrees.
6. The device for monitoring the blockage prevention of the shaft blasting excavation according to claim 5, wherein: the number of the elastic supports (9) is 4, and the elastic supports are distributed at the lower end of the supporting block (12) at equal intervals.
7. The device for monitoring blockage prevention of shaft blasting excavation according to claim 6, wherein: and a limiting sliding track (10) is arranged at the joint of the supporting block (12) and the inner wall of the body (20).
8. The device for preventing blockage of the shaft blasting excavation according to claim 1, wherein: the monitoring system is symmetrically distributed on two sides of the slag discharge hole (4) of the body (20), and vent holes (13) are formed in the bottom of the body (20).
9. The device for monitoring blockage prevention of shaft blasting excavation according to claim 8, wherein: the monitoring system comprises an anemometry instrument (7) which is positioned above the vent hole (13) and connected with the inner wall of the body (20), and the anemometry instrument (7) is connected with an alarm device (6).
10. The device for preventing blockage of the shaft blasting excavation according to claim 1, wherein: still including promoting the conveyer, promote the conveyer including 2 rings (11) that set firmly in body (20) top, 2 rings (11) symmetry lay on body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498016.0U CN211503864U (en) | 2019-12-31 | 2019-12-31 | Be used for shaft blasting excavation to prevent stifled monitoring devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498016.0U CN211503864U (en) | 2019-12-31 | 2019-12-31 | Be used for shaft blasting excavation to prevent stifled monitoring devices |
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| CN211503864U true CN211503864U (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986714A (en) * | 2019-12-31 | 2020-04-10 | 浙江交工集团股份有限公司 | Be used for shaft blasting excavation to prevent stifled monitoring devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986714A (en) * | 2019-12-31 | 2020-04-10 | 浙江交工集团股份有限公司 | Be used for shaft blasting excavation to prevent stifled monitoring devices |
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