CN114440725B - Blasting flying stone protection device and method - Google Patents
Blasting flying stone protection device and method Download PDFInfo
- Publication number
- CN114440725B CN114440725B CN202210087966.8A CN202210087966A CN114440725B CN 114440725 B CN114440725 B CN 114440725B CN 202210087966 A CN202210087966 A CN 202210087966A CN 114440725 B CN114440725 B CN 114440725B
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- 238000005422 blasting Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 9
- 239000004575 stone Substances 0.000 title description 20
- 239000000872 buffer Substances 0.000 claims abstract description 66
- 238000007664 blowing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/045—Detonation-wave absorbing or damping means
Abstract
The invention discloses a blasting flystone protection device and a blasting flystone protection method, which belong to the technical field of blasting protection devices and comprise a main backboard and a protection mechanism, wherein the protection mechanism is arranged on the side wall of the main backboard, a counterweight groove is arranged at the bottom of the main backboard, an inclined guard plate is arranged at the top end of the main backboard, a clamping piece and a fixing plate are arranged at the bottom of the inclined guard plate, the bottom end of the fixing plate extends to one side of the main backboard, a blocking strip is arranged on the upper surface of the inclined guard plate, a pin column is fixed on the side wall of the main backboard, a rear support is arranged on the pin column, the rear support comprises an adjusting leg and a fixing foot plate, the fixing foot plate is hinged on the adjusting leg, a tooth pattern is arranged at the bottom of the fixing foot plate, a fixing nail is clamped on the fixing foot plate in a sliding way, the protection mechanism comprises a buffer piece, an air blowing piece and a side protection piece, the air blowing piece and the buffer piece are fixed on the side wall of the main backboard.
Description
Technical Field
The invention relates to a protection device, in particular to a blasting flyrock protection device and a blasting flyrock protection method, and belongs to the technical field of blasting protection devices.
Background
The blasting is a technique for achieving the expected purpose by utilizing the compression, loosening, destruction, throwing and killing effects of the explosive in air, water, earth and stone mediums or objects, and is a blasting technique used for demolishing buildings or developing mountain minerals, especially in demolishing and breaking rock, the efficiency of manually crushing and connecting the rock is too low, the progress can be greatly accelerated by using the blasting technique, but during blasting, the rock has the characteristics of anisotropy and non-uniformity, and the structural surfaces such as joints, cracks, faults, weak interlayers and the like are often hidden, so that each detail of the rock is difficult to master completely before blasting.
During blasting, flystones are often generated, and the flystones damage buildings and field personnel, so that a protection device is needed to protect the buildings or the field personnel, and the prior patent document is a blasting flystone safety protection device, and the patent publication number: CN110260741a, publication date: 2019.09.20, while providing protection for the sides and a portion of the top, the components of the diagonal protection assembly are often hard-wired, lack cushioning to impact, and are not capable of protecting against dust if the fine particles of flying stone accompany the dust.
Disclosure of Invention
The invention aims to solve the problems, and provides a blasting flystone protection device and a blasting flystone protection method, which can be conveniently erected and assembled before installation, can buffer flystones, prolong the service life of the device, and can perform air blasting treatment on one side of a flystone source when being impacted by the flystones, so that dust and smoke are prevented from being diffused.
According to the technical scheme, the blasting flystone protection device comprises a main backboard and protection mechanisms, wherein the protection mechanisms are all installed on the side wall of the main backboard, the main backboard is a main supporting component, a counterweight groove is formed in the bottom of the main backboard, when the blasting flystone protection device is used, liquid water is filled into soil on the ground surface or into a mating groove according to requirements after the device is erected, an inclined guard board is installed at the top end of the main backboard, the inclined guard board can extend to one side of the main backboard so as to provide top protection for field personnel, a pin column is fixed on the side wall of the main backboard, a rear support is installed on the pin column, the rear support comprises an adjusting leg and a fixing foot plate, the fixing foot plate is hinged on the adjusting leg, the bottom of the fixing foot plate is provided with a tooth pattern, a fixing nail is connected onto the fixing foot plate in a sliding mode, the protection mechanism comprises a buffer piece, a blowing piece and a side protection piece, the protection mechanism can buffer and stop liquid water into the side of the flystone, the counterweight groove can enable the main backboard to be firmer, the liquid water can extend to one side of the main backboard to extend to the side of the main backboard, and the side of the main backboard can be prevented from being impacted by the dust blowing on the side of the main backboard, and the side of the main backboard can be prevented from being blown by the impact on the side of the main backboard, and the side of the main backboard is prevented from being extended.
Preferably, for better buffering to flying stone impact, the bolster includes end section of thick bamboo, back buffer spring, preceding buffer spring and middleware, back buffer spring is fixed in the end section of thick bamboo, the middleware is fixed back buffer spring is last, preceding buffer spring is fixed on the one end of middleware, the one end of middleware is equipped with the buffer block, the buffer block is the rubber material, be equipped with the end cover on the lateral wall of side guard, preceding buffer spring's one end fixed connection is in the end cover.
Preferably, in order to improve the service life of the protective shell and reduce vibration transmission, the side protective member comprises a bottom plate and the protective shell, the protective shell is fixed on the side wall of the bottom plate through bolts, a buffer layer is filled between the bottom plate and the protective shell, and the buffer layer is made of rubber material.
Preferably, in order to utilize the impact force of flying stone to carry out reverse air blowing dust removal, the air blowing piece includes an air blowing section of thick bamboo, pushes away lid and one-way pneumatic valve, the air blowing section of thick bamboo is fixed on the lateral wall of main backplate, it installs to push away the lid in the air blowing section of thick bamboo, be fixed with the gas-supply pipe on pushing away the lateral wall of lid, the gas-supply pipe extends to on the lateral wall of bottom plate, all install on the gas-supply pipe with on the lateral wall of main backplate the one-way pneumatic valve, be equipped with the branch pipe on the outer wall of gas-supply pipe, one end of branch pipe passes the bottom plate extends to on the outer wall of protecting crust.
Preferably, in order to avoid flying stone rolling over to the other side of the inclined guard plate, a clamping piece and a fixing plate are arranged at the bottom of the inclined guard plate, the bottom end of the fixing plate extends to one side of the main back plate, and a blocking strip is arranged on the upper surface of the inclined guard plate.
Preferably, in order to facilitate the control of the supporting angle of the adjusting leg according to the requirement, enough supporting force can be improved for the main backplate, the adjusting leg includes pin joint spare, mobile jib and auxiliary lever, the pin joint spare cover is established on the round pin post, the mobile jib articulates on the pin joint spare, auxiliary lever passes through fixed establishment and installs on the mobile jib, fixed establishment includes joint pin, fixed spring and operation panel, the joint pin is fixed on the lateral wall of operation panel, for more convenient operation, be equipped with the handle on the lateral wall of operation panel, fixed spring fixed connection is in the operation panel with between the lateral wall of mobile jib, be equipped with the cooperation on the lateral wall of auxiliary lever the joint hole of joint pin joint.
The beneficial effects of the invention are as follows:
1. the adjusting leg can adjust the supporting angle of the adjusting leg according to the requirement, so that proper supporting force is conveniently provided, the fixing mechanism can be conveniently adjusted and used during adjustment, and the fixing foot plate can be fixed on the ground, so that the displacement of the adjusting leg is avoided.
2. The main back plates can be combined into a whole according to the requirements, then can relatively rotate for a certain angle, can be better erected and installed according to the requirements, and the inclined guard plates and the adjusting legs are convenient to detach.
3. The protection mechanism can better buffer and block flying stones, the counterweight groove can enable the main backboard to be more stable, the liquid water can be filled into the counterweight groove to better avoid dust and smoke, and when the protection mechanism is impacted, the air blowing piece can blow the flying stones in the source direction to avoid the dust and smoke from being diffused.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a schematic diagram of the structure of fig. 1a according to the present invention.
Fig. 3 is a schematic diagram of the whole structure of the present invention in front view.
Fig. 4 is a schematic side view assembly of the present invention.
Fig. 5 is a schematic structural view of the rear bracket of the present invention.
Fig. 6 is a schematic structural view of the fixing mechanism of the present invention.
FIG. 7 is a schematic flow chart of the method of the present invention.
In the figure: 1. the main backboard, 2, the protection mechanism, 3, the counterweight groove, 4, the inclined guard board, 5, the rear bracket, 6, the adjusting leg, 7, the fixed foot board, 8, the fixed nail, 9, the buffer piece, 10, the air blowing piece, 11, the side protection piece, 12, the bottom cylinder, 13, the rear buffer spring, 14, the front buffer spring, 15, the middle piece, 16, the bottom plate, 17, the protection shell, 18, the air blowing cylinder, 19, the push cover, 20, the one-way air valve, 21, the clamping piece, 22, the fixed plate, 23, the pin joint piece, 24, the main rod, 25, the auxiliary rod, 26, the fixing mechanism, 27, the clamping pin, 28, the fixed spring, 29 and the operation plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a blasting flystone protection device comprises a main backboard 1 and a protection mechanism 2, wherein the protection mechanism 2 is arranged on the side wall of the main backboard 1, the main backboard 1 is a main supporting component, a counterweight groove 3 is arranged at the bottom of the main backboard 1, when in use, after the device is erected, the counterweight groove 3 is filled with soil on the ground surface or liquid water is filled into the counterweight groove according to the requirement, so that the weight of the device can be increased, the device is more stable when impacted by flystones, the liquid water can absorb a certain amount of dust and smoke, the dust and smoke are prevented from flying, an inclined guard plate 4 is arranged at the top end of the main backboard 1, a clamping piece 21 and a fixing plate 22 are arranged at the bottom of the inclined guard plate 4, the bottom end of the fixing plate 22 extends to one side of the main backboard 1, a blocking strip is arranged on the upper surface of the inclined guard plate 4, the blocking strip can block fine flystones and can extend backwards, the on-site personnel can fly stone to avoid under the inclined guard plate 4, and the inclined guard plate 4 is convenient to detach, the device is better transported and erected before erection, the pin column is fixed on the side wall of the main back plate 1, the rear support 5 is installed on the pin column, the pin column can be conveniently clamped and installed, the installation open end of the pin column is located below, installation and fixation can be conveniently carried out, the rear support 5 comprises an adjusting leg 6 and a fixing foot plate 7, the fixing foot plate 7 is hinged on the adjusting leg 6, the bottom of the fixing foot plate 7 is provided with insections, the length of the adjusting leg 6 is adjusted when in use, then a hammer is used for knocking and fixing the fixing nail 8 in the ground, thereby the movement of the adjusting leg 6 can be avoided, the adjusting leg 6 is prevented from falling off on the pin column, the insections can increase friction, the fixing nail 8 is clamped on the fixing foot plate 7 in a sliding way, and the protection mechanism 2 comprises a buffer 9, the air blowing piece 10 and the side protection piece 11, the air blowing piece 10 and the buffer piece 9 are all fixed on the side wall of the main backboard 1, the side protection piece 11 is installed on the buffer piece 9, an extension plate is fixed on the side wall of the main backboard 1, the extension plate extends to one side of the side protection piece 11, the protection mechanism 2 can buffer and block flying stones, when the protection mechanism 2 is impacted, the air blowing piece 10 can blow the flying stones in the source direction, dust smoke diffusion is avoided, the flying stones can push the side protection piece 11 to press the buffer piece 9 after contacting the side protection piece 11, then the buffer piece 9 absorbs and buffers impact force, and the air blowing piece 10 can perform air blowing treatment on the flying stones in the direction when the side protection plate moves.
As a technical optimization scheme of the invention, as shown in fig. 2, the buffer member 9 comprises a bottom barrel 12, a rear buffer spring 13, a front buffer spring 14 and a middle member 15, wherein the rear buffer spring 13 is fixed in the bottom barrel 12, the middle member 15 is fixed on the rear buffer spring 13, the front buffer spring 14 is fixed on one end of the middle member 15, one end of the middle member 15 is provided with a buffer block, the buffer block is made of rubber material, the side wall of the side protection member 11 is provided with an end cover, one end of the front buffer spring 14 is fixedly connected in the end cover, the end cover can be driven to move when the side protection member 11 moves, the end cover compresses the front buffer spring 14, then the front buffer spring can be contacted with the buffer block after being contracted to a certain position, the buffer block can enable the end cover to be blocked rigidly, then the end cover can directly compress the rear buffer spring 13 through the middle member 15, the rear buffer spring 13 is contracted, and further the side protection plate is subjected to buffer treatment by the section-by section.
As a technical optimization scheme of the invention, as shown in FIG. 2, the side protection piece 11 comprises a bottom plate 16 and a protection shell 17, the protection shell 17 is fixed on the side wall of the bottom plate 16 through bolts, a buffer layer is filled between the bottom plate 16 and the protection shell 17, the buffer layer is made of rubber material filler, when the side protection piece 11 is impacted, the protection shell 17 is directly contacted with flying stones, and then the buffer layer made of rubber material can play a role in buffering and shock insulation for better absorbing the impact, and meanwhile, the service life of the component is prolonged.
As a technical optimization scheme of the present invention, as shown in fig. 2, the air-blowing member 10 includes an air-blowing barrel 18, a push cap 19 and a one-way air valve 20, the air-blowing barrel 18 is fixed on a side wall of the main backboard 1, the push cap 19 is installed in the air-blowing barrel 18, an air pipe is fixed on a side wall of the push cap 19, the air pipe extends to a side wall of the bottom plate 16, the one-way air valve 20 is installed on both the air pipe and the side wall of the main backboard 1, a branch pipe is arranged on an outer wall of the air pipe, one end of the branch pipe extends to an outer wall of the protective shell 17 through the bottom plate 16, the air pipe can be driven to move when the bottom plate 16 moves, then the air pipe can be extruded to move, after the push cap 19 moves, air flow in the air-blowing barrel 18 can be extruded after the push plate moves, then the air flow can enter the branch pipe through the air pipe, then the air flow can be blown out through one end of the branch pipe, and the one-way air valve 20 is sucked into the air flow on one side of the main backboard 1, then the air flow is blown out from one side of the protective shell 17, when the side protective plate is reset, the air flow is driven again to move the push cap 19 through the one-way air valve 20 on the main backboard 1.
As a technical optimization scheme of the invention, as shown in fig. 5 and 6, the adjusting leg 6 comprises a pin joint part 23, a main rod 24 and an auxiliary rod 25, the pin joint part 23 is sleeved on a pin, the main rod 24 is hinged on the pin joint part 23, the auxiliary rod 25 is installed on the main rod 24 through a fixing mechanism 26, the fixing mechanism 26 comprises a clamping pin 27, a fixing spring 28 and an operating plate 29, the clamping pin 27 is fixed on the side wall of the operating plate 29, a handle is arranged on the side wall of the operating plate 29, the fixing spring 28 is fixedly connected between the operating plate 29 and the side wall of the main rod 24, a clamping hole matched with the clamping pin 27 is arranged on the side wall of the auxiliary rod 25, when the supporting angle of the adjusting leg 6 needs to be changed, the operating plate 29 can be driven to move by pulling the handle, then the operating plate 29 drives the clamping pin 27 to be separated from the auxiliary rod 25, then the clamping position of the auxiliary rod 25 is adjusted, and after the adjustment, the clamping pin 27 can be pulled to reset, and then clamped on the auxiliary rod 25 again.
As a technical optimization scheme of the present invention, as shown in fig. 7, S1: erecting the device on one side of a building or a place where personnel protection is required to be arranged, and firstly placing the main backboard 1 at a proper place;
s2: the angle between the main back plates 1 is adjusted according to the protection requirement, the pin joint pieces 23 are clamped on the pin columns, and the rear bracket 5 and the inclined guard plates 4 are assembled on the main back plates 1;
s3: according to the field situation, filling earth surface soil sundries into the counterweight groove 3 or filling liquid water into the matching groove, then adjusting the angle of the adjusting leg 6, and then binding the fixing nails 8 on the fixing foot plate 7 into the ground.
When the hammer is used, the main backboard 1 is placed before a position to be protected, then the main backboard 1 is connected through the adjusting frame, the angle of the main backboard 1 can be rotated according to requirements during connection, then the supporting angle of the adjusting leg 6 is changed, the operating board 29 is driven to move by pulling the handle, then the operating board 29 drives the clamping pin 27 to separate from the auxiliary rod 25, then the clamping position of the auxiliary rod 25 is adjusted, after adjustment is finished, the fixing spring 28 can pull the clamping pin 27 to reset, and then the fixing spring is clamped on the auxiliary rod 25 again, after the adjustment is finished, the weight of the hammer can be increased, the device is more stable when the hammer is impacted by flying stones, the liquid water can absorb certain dust and smoke, dust flying is avoided, the blocking strip can block fine flying stones and extend to the rear, on-site personnel can avoid flying stones below the inclined guard 4, the inclined guard 4 is convenient to detach, the hammer is better to adjust the length of the hammer, the hammer can be adjusted in the adjusting leg 6 before the hammer is used, the hammer is used for adjusting the length of the hammer, and the hammer can be prevented from falling off the hammer 6, accordingly, the weight of the hammer can be adjusted, and the hammer is prevented from being used from being adjusted, and the noise is prevented from falling off due to the fact that the hammer is more stable.
When the protection mechanism 2 is impacted by flying stones, the side protection piece 11 is enabled to move to drive the end cover to move, the end cover compresses the front buffer spring 14, then the front buffer spring is contracted to a certain position and can contact with the buffer block, the buffer block can enable the end cover to be hard hindered, then the end cover can be directly compressed through the middle piece 15 and then the rear buffer spring 13 is contracted, further the segmented opposite side protection plate is subjected to buffer treatment, when the side protection piece 11 is impacted, the protection shell 17 is directly contacted with the flying stones, then the impact is absorbed better, the buffer layer made of rubber can play a role of buffering and shock isolation, meanwhile, the service life of the parts is prolonged, the air pipe can be driven to move when the bottom plate 16 moves, then the push cover 19 can be extruded to move, the air flow in the air blowing cylinder 18 can be extruded after the push plate moves, then the air flow can enter the branch pipe through the air pipe, then the air flow can be blown out through one end of the branch pipe, the one-way air valve 20 is used for sucking the air flow on one side of the main back plate 1, then the air flow is buffered from one side of the protection shell 17, when the side protection plate is reset, the side protection plate can be driven to move again, the push cover 19 can be enabled to be driven to move, the main back plate 1 can be better to absorb the air flow and the dust can be conveniently buffered by the invention, the dust can be conveniently assembled by the invention, and the dust can be conveniently and the dust-absorbed by the flexible air valve.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a blasting flyrock protector which characterized in that: the protection mechanism (2) is arranged on the side wall of the main backboard (1), a counterweight groove (3) is formed in the bottom of the main backboard (1), an inclined guard plate (4) is arranged at the top end of the main backboard (1), a pin column is fixed on the side wall of the main backboard (1), a rear support (5) is arranged on the pin column, the rear support (5) comprises an adjusting leg (6) and a fixing foot plate (7), the fixing foot plate (7) is hinged on the adjusting leg (6), a tooth pattern is formed in the bottom of the fixing foot plate (7), a fixing nail (8) is clamped on the fixing foot plate (7) in a sliding mode, the protection mechanism (2) comprises a buffer piece (9), an air blowing piece (10) and a side guard piece (11), the air blowing piece (10) and the buffer piece (9) are fixed on the side wall of the main backboard (1), the side guard piece (11) is arranged on the buffer piece (9), and the side guard piece (1) extends to one side of the side guard plate (11);
the side protection piece (11) comprises a bottom plate (16) and a protection shell (17), wherein the protection shell (17) is fixed on the side wall of the bottom plate (16) through bolts, a buffer layer is filled between the bottom plate (16) and the protection shell (17), and the buffer layer is made of rubber material filler;
the air blowing piece (10) comprises an air blowing barrel (18), a pushing cover (19) and a one-way air valve (20), wherein the air blowing barrel (18) is fixed on the side wall of the main back plate (1), the pushing cover (19) is installed in the air blowing barrel (18), an air pipe is fixed on the side wall of the pushing cover (19), the air pipe extends to the side wall of the bottom plate (16), the one-way air valve (20) is installed on the air pipe and the side wall of the main back plate (1), a branch pipe is arranged on the outer wall of the air pipe, and one end of the branch pipe penetrates through the bottom plate (16) to extend to the outer wall of the protective shell (17).
2. A blast flyrock protection device according to claim 1, wherein: the buffer piece (9) comprises a bottom cylinder (12), a rear buffer spring (13), a front buffer spring (14) and a middle piece (15), wherein the rear buffer spring (13) is fixed in the bottom cylinder (12), the middle piece (15) is fixed on the rear buffer spring (13), and the front buffer spring (14) is fixed on one end of the middle piece (15).
3. A blast flyrock protection device according to claim 2, wherein: one end of the middle piece (15) is provided with a buffer block, the buffer block is made of rubber, the side wall of the side protection piece (11) is provided with an end cover, and one end of the front buffer spring (14) is fixedly connected in the end cover.
4. A blast flyrock protection device according to claim 1, wherein: the bottom of the inclined guard plate (4) is provided with a clamping piece (21) and a fixing plate (22), the bottom end of the fixing plate (22) extends to one side of the main back plate (1), and the upper surface of the inclined guard plate (4) is provided with a blocking strip.
5. A blast flyrock protection device according to claim 1, wherein: the utility model provides an adjusting leg (6) is including pin joint spare (23), mobile jib (24) and auxiliary rod (25), pin joint spare (23) cover is established on the round pin post, mobile jib (24) are articulated on pin joint spare (23), auxiliary rod (25) are installed on mobile jib (24) through fixed establishment (26), fixed establishment (26) are including joint round pin (27), fixed spring (28) and operating panel (29), joint round pin (27) are fixed on the lateral wall of operating panel (29), be equipped with the handle on the lateral wall of operating panel (29), fixed spring (28) fixed connection be in between operating panel (29) with the lateral wall of mobile jib (24), be equipped with on the lateral wall of auxiliary rod (25) the joint hole of cooperation joint round pin (27) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210087966.8A CN114440725B (en) | 2022-01-25 | 2022-01-25 | Blasting flying stone protection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210087966.8A CN114440725B (en) | 2022-01-25 | 2022-01-25 | Blasting flying stone protection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114440725A CN114440725A (en) | 2022-05-06 |
| CN114440725B true CN114440725B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210087966.8A Active CN114440725B (en) | 2022-01-25 | 2022-01-25 | Blasting flying stone protection device and method |
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| CN114909967B (en) * | 2022-05-26 | 2023-04-11 | 江苏长江爆破工程有限公司 | Trailer type explosion-proof device for chimney directional blasting demolition and use method |
| CN116952942A (en) * | 2023-08-02 | 2023-10-27 | 自然资源部第二海洋研究所 | Plant biology observation device |
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