Pressure-reducing blasting device and using method thereof
阅读说明:本技术 减压***装置及其使用方法 (Pressure-reducing blasting device and using method thereof ) 是由 陈琦 徐晓辉 张延顺 董德胜 李卓慧 冯智猛 于 2019-11-13 设计创作,主要内容包括:本发明提供了一种减压爆破装置及其使用方法,包括喉道组件、喉门、空气弹簧安装座、空气弹簧、气缸靠板、复位气缸、钩爪、喉门锁,所述喉道组件连接喉门并通过喉门锁锁紧,空气弹簧安装座设置在喉道组件上,空气弹簧固定端连接空气弹簧安装座,空气弹簧活动端连接喉门,复位气缸设置在喉道组件上,复位气缸的活塞杆上设置有钩爪,气缸靠板设置在喉道组件上并对复位气缸进行支撑。本发明结构简单合理,采用空气弹簧代替了传统的高速气缸,突破了高速气缸的最快速度瓶颈,使减压爆破装置的喉门的打开速度获得进一步的提高。本发明空气弹簧与喉门无机械连接,对空气弹簧充气的同步性要求比传统高速气缸低,从而提高了减压爆破装置爆破的可靠性。(The invention provides decompression blasting devices and a using method thereof, and the decompression blasting devices comprise a throat component, a throat , an air spring mounting seat, an air spring, an air cylinder backup plate, a reset air cylinder, a hook claw and a throat lock, wherein the throat component is connected with a throat and locked through a throat lock, the air spring mounting seat is arranged on the throat component, the fixed end of the air spring is connected with the air spring mounting seat, the movable end of the air spring is connected with the throat , the reset air cylinder is arranged on the throat component, the hook claw is arranged on a piston rod of the reset air cylinder, and the air cylinder backup plate is arranged on the throat component and supports the reset air cylinder.)
The utility model provides a kind of decompression blasting device, its characterized in that, including throat subassembly (1), larynx (2), air spring mount pad (3), air spring (4), cylinder backup plate (5), reset cylinder (6), knuckle (7), larynx lock (8), throat (2) are connected and are locked through larynx lock (8) to throat subassembly (1), and air spring mount pad (3) set up on throat subassembly (1), and air spring mount pad (3) are connected to air spring (4) stiff end, and throat (2) are connected to air spring (4) expansion end, and reset cylinder (6) set up on throat subassembly (1), are provided with knuckle (7) on the piston rod of reset cylinder (6), and cylinder backup plate (5) set up on throat subassembly (1) and support reset cylinder (6).
2. A decompression blasting device according to claim 1, characterized in that the throat assembly (1) is provided with an oblique 45 degree opening, a hinge (10) is provided at the opening, the throat (2) end is connected with the throat assembly (1) through the hinge (10), and the other end of the throat (2) is hermetically connected with the throat assembly (1) through a throat lock (8).
3. A reduced pressure blasting apparatus according to claim 1, wherein the throat assembly (1) is provided with a throat lock (8) at each end of its opening.
4. The decompression and explosion device according to claim 1, wherein air spring mounting seats (3) are arranged on two sides of the throat assembly (1), and the fixed ends of the air springs (4) are mounted on the air spring mounting seats (3) through adapter plates;
the two sides of the throat (2) are both provided with a silencing backup plate, and the movable end of the air spring (4) is attached to the silencing backup plate.
5. The decompression and explosion device according to claim 1, wherein the air spring (4) is of a multi-section bag type structure, the working height of the air spring (4) is adjusted according to the inflation amount of the inner space, and the obtaining time of the working height of the air spring (4) is adjusted through the inflation rate.
6. A decompression blasting device according to claim 1, characterized in that the throat assembly (1) is provided with a reset cylinder (6) on both sides, and the reset cylinder (6) is hinged to the throat assembly (1).
7. The decompression blasting device according to claim 1, wherein the hook (7) comprises a hook body connected to the piston rod of the reset cylinder (6), a hook head (12) connected to the other end of the hook body via the torsion spring (13) to the hook head (12), and a torsion spring (13), and the other end of the hook body is a hook-shaped groove;
and convex shafts (9) which are matched and connected with the hook claws (7) are arranged on two sides of the throat (2).
8. A decompression blasting device according to claim 1, characterized in that an angle adjusting device (14) is arranged below the cylinder backup plate (5), a spring and a rubber pad are arranged on the angle adjusting device (14), and the angle adjusting device (14) can adjust the angle of the cylinder backup plate (5).
9. A decompression bursting device according to claim 1 further comprising a control system connected to the air spring (4), reset cylinder (6) and throat lock (8).
A method of using a reduced pressure explosion apparatus of , wherein the reduced pressure explosion apparatus of any one of claims 1-9 through is used, and comprises the steps of:
step 1, a control system sends a signal to unlock a throat lock (8) and sends a signal to inflate an air spring (4), two end faces of the air spring (4) are bounced off due to internal inflation to push a throat (2) to rotate, and the air spring (4) is separated from the throat (2) to realize blasting;
step 2, after blasting, the control system sends a signal to extend a piston rod of the reset cylinder (6), and when a hook head (12) of a hook claw (7) connected with the piston rod touches convex shafts (9) on two sides of the throat (2), the hook head (12) rotates under the action of the convex shafts (9), so that the hook claw (7) moves forwards under the condition of being separated from the obstacle constraint of the convex shafts (9);
and step 3: when the hook claw (7) is separated from the convex shaft (9), the hook head (12) automatically resets under the action of the torsion spring (13); at the moment, the control system sends a signal to withdraw the piston rod of the reset cylinder (6);
step 4, when the piston rod of the reset cylinder (6) is retracted, the hook head (12) hooks the convex shaft (9), the convex shaft (9) moves towards the hook-shaped groove of the hook claw body along the contact surface of the convex shaft (12) and the hook-shaped groove of the hook claw body, after the convex shaft (9) enters the hook-shaped groove of the hook claw body, the throat (2) rotates along with the retraction of the piston rod of the reset cylinder (6), and the reset cylinder (6) is taken away from the cylinder backup plate (5);
and 5, after the reset cylinder (6) carries the throat (2) to complete reset, the control system sends a signal to lock the throat lock (8):
step 6: the control system sends a signal to extend the piston rod of the reset cylinder (6) again, the hook claw (7) is separated from the convex shaft (9), and the reset cylinder (6) falls on the cylinder backup plate (5) due to self weight;
and 7: the control system sends a signal to withdraw the piston rod of the reset cylinder (6) again to avoid the running track of the protruding shaft (9) during blasting.
Technical Field
The invention relates to the technical field of pressure reduction, in particular to types of pressure reduction blasting devices and a using method thereof, particularly types of quick pressure reduction blasting devices and a using method thereof, and is particularly suitable for devices or equipment which need repeated operation, quick pressure reduction and adjustable speed.
Background
In the existing experiment of the pressure reducing blasting device, is provided with two cabin bodies, the cabin body with higher pressure before blasting is called a test cabin, the cabin body with lower gas pressure outside the test cabin is called a negative pressure storage cabin, and the pressure reducing blasting device is main equipment and a middle channel for isolating the test cabin with different pressures and the negative pressure storage cabin.
Patent document CN102890004A proposes mechanical decompression blasting device driven by air cylinder, wherein two sides of throat are respectively connected to high speed air cylinder through hinges, high pressure air is filled in the air cylinder to push the piston rod of the air cylinder to extend, so as to drive throat 0 to rotate, so as to open throat , thereby realizing decompression blasting, although the method can realize rapid opening of throat , the opening speed is limited by the extension speed of the piston rod of the air cylinder, because of the friction between the piston rod piston and the wall of the air cylinder, the limit extension speed of the piston rod of the high speed air cylinder is 2-2.5m/s, and the piston rod has acceleration time, so there are upper limit values for the opening speed of throat , in addition , is hard to act on throat by the air cylinder at the same time, and the air has compressibility, so that the synchronism of the air cylinder is ensured, and the reliability of the system is not high.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide types of pressure reduction blasting devices and using methods thereof.
The kinds of decompression blasting devices provided by the invention comprise a throat component, a throat , an air spring mounting seat, an air spring, an air cylinder backup plate, a reset air cylinder, a hook claw and a throat lock, wherein the throat component is connected with the throat and locked through the throat lock, the air spring mounting seat is arranged on the throat component, the fixed end of the air spring is connected with the air spring mounting seat, the movable end of the air spring is connected with the throat , the reset air cylinder is arranged on the throat component, the hook claw is arranged on a piston rod of the reset air cylinder, and the air cylinder backup plate is arranged on the throat component and supports the reset air cylinder.
Preferably, the throat assembly is provided with a slope opening, a hinge is arranged at the slope opening, the throat end is connected with the throat assembly through the hinge, and the throat and the other end are connected with the throat assembly through the throat in a locking and sealing mode.
Preferably, the two ends of the throat assembly opening are respectively provided with a throat lock.
Preferably, air spring mounting seats are arranged on two sides of the throat component, and the fixed ends of the air springs are mounted on the air spring mounting seats through adapter plates;
the both sides of larynx all are provided with the amortization backup pad, and air spring expansion end and amortization backup pad laminating.
Preferably, the air spring is of a multi-section bag type structure, the working height of the air spring is adjusted according to the air inflation amount of the inner space, and the obtaining time of the working height of the air spring is adjusted through the air inflation rate.
Preferably, the two sides of the throat component are both provided with reset cylinders, and the reset cylinders are hinged with the throat component.
Preferably, the hook comprises a hook body, a hook head and a torsion spring, the end of the hook body is connected with a piston rod of the reset cylinder, the other end of the hook body is connected with the hook head through the torsion spring, and the other end of the hook body is a hook-shaped groove;
convex shafts which are matched and connected with the hooks are arranged on two sides of the throat .
Preferably, an angle adjusting device is arranged below the cylinder backup plate, a spring and a rubber pad are arranged on the angle adjusting device, and the angle adjusting device can adjust the angle of the cylinder backup plate.
Preferably, a control system is further included, and the control system is connected with the air spring, the reset cylinder and the throat lock.
According to the application method of the kinds of decompression blasting devices, the decompression blasting device is adopted, and the method comprises the following steps:
step 1, a control system sends a signal to unlock a throat lock and sends a signal to inflate an air spring, two end faces of the air spring are bounced off due to internal inflation, the throat is pushed to rotate, and the air spring is separated from the throat to realize blasting;
and step 3: when the hook claw is separated from the convex shaft, the hook head automatically resets under the action of the torsion spring; at the moment, the control system sends a signal to withdraw the piston rod of the reset cylinder;
and 5, after the reset cylinder carries the throat to complete reset, the control system sends a signal to lock the throat :
step 6: the control system sends a signal to extend the piston rod of the reset cylinder again, the hook claw is separated from the convex shaft, and the reset cylinder falls on the cylinder backup plate due to self weight;
and 7: the control system sends a signal to withdraw the piston rod of the reset cylinder again, and the operation track of the protruding shaft during blasting is avoided.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has simple and reasonable structure, adopts the air spring to replace the traditional high-speed cylinder, breaks through the bottleneck of the fastest speed of the high-speed cylinder, and leads the opening speed of the throat of the decompression blasting device to be improved by steps.
2. The air spring is not mechanically connected with the throat , and the requirement on the air spring inflation synchronism is lower than that of a traditional high-speed air cylinder, so that the reliability of the decompression blasting device blasting is improved.
3. By arranging the reset device, repeated blasting operation can be realized, and pressure can be quickly reduced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic structural view of the finger of the present invention.
Fig. 4 is a schematic view of the installation relationship between the cylinder backup plate, the reset cylinder and the angle adjusting device.
Fig. 5 is a schematic diagram of the state change during the use of the present invention, and the line in the diagram is the initial state during the use.
The figures show that:
1-throat assembly 8-throat lock
2-throat 9-convex shaft
3-air spring mounting seat 10-hinge
4-air spring 11-reset cylinder piston rod
5-cylinder backup plate 12-hook
6-reset cylinder 13-torsion spring
7-claw 14-angle adjusting device
Detailed Description
The present invention is described in detail below with reference to specific examples which will assist those skilled in the art to further the present invention, but not to limit the invention in any way.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In addition, , the
According to the types of decompression blasting devices provided by the invention, as shown in fig. 1-4, the decompression blasting device comprises a throat component 1, a throat , an air
The
Preferably, when the decompression blasting device is used, the throat is unlocked by an electric control, the
As shown in fig. 5, the method for using a reduced pressure blasting apparatus according to the present invention includes the following steps:
step 1, a control system sends a signal to unlock a
and step 3: when the
and 5, after the
step 6: the control system sends a signal to extend the piston rod of the
and 7: the control system sends a signal to withdraw the piston rod of the
One skilled in the art will appreciate that, in addition to the system, apparatus, and modules thereof provided by the present invention being implemented as computer-readable program code, the system, apparatus, and modules thereof provided by the present invention can be implemented by fully programming the method steps to implement the same in the form of logic , switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. accordingly, the system, apparatus, and modules thereof provided by the present invention can be considered as hardware components, and the modules included therein for implementing the various programs can also be considered as structures within the hardware components, or the modules used for implementing the various functions can be considered as both software programs implementing the methods and structures within the hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
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