阅读说明：本技术 一种建筑爆破的防尘保护装置 (Dustproof protection device of building blasting ) 是由 汪任 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种建筑爆破的防尘保护装置,包括底座,所述底座上端面上设有开口向左的转换腔,所述转换腔内设有检测爆破状态的转换机构,所述底座上端面上设有开口向右的支撑腔,该发明结构简单,操作便捷,在对建筑进行爆破时,通过建筑倒塌时产生的气流进行收集利用达到自动启动该装置进行工作,并通过洒水机构对建筑周围进行洒水时,当有石块溅出时,该装置会自动伸长保护板进行阻挡石块的溅出,并通过支撑机构对该装置进行支撑,达到防止该装置被溅出的石块砸倒的效果,通过传感器可实现自动对尘土浓度大的位置进行洒水,从而达到快速除尘的效果,从而减轻工作者的工作量,并保护了路人的人身安全。(The invention discloses a dustproof protection device for building blasting, which comprises a base, wherein a conversion cavity with a leftward opening is arranged on the upper end surface of the base, a conversion mechanism for detecting the blasting state is arranged in the conversion cavity, and a support cavity with a rightward opening is arranged on the upper end surface of the base. And the personal safety of passers-by is protected.)

1. The utility model provides a dustproof protection device of building blasting, includes the base, its characterized in that: the device comprises a base, and is characterized in that a conversion cavity with a leftward opening is formed in the upper end face of the base, a conversion mechanism for detecting a blasting state is arranged in the conversion cavity, a support cavity with a rightward opening is formed in the upper end face of the base, a support mechanism for supporting the device is arranged in the support cavity, a lifting column capable of stretching up and down is fixedly connected to the upper end face of the base, a lifting cavity is formed in the lifting column, and a dust removing mechanism for removing dust generated during blasting is arranged in the lifting cavity;

the switching mechanism comprises a switching shaft which is rotatably arranged on the front inner wall and the rear inner wall of the switching cavity, a switching wheel and a switching cam are fixedly connected onto the switching shaft, one end of an inflating pipeline which extends rightwards is fixedly arranged on the right inner wall of the switching cavity, the other end of the inflating pipeline is fixedly connected onto the lower inner wall of the lifting cavity, an inflating cavity is arranged in the inflating pipeline, a fixing plate is fixedly connected onto the inner wall of the inflating cavity, an inflating block which is positioned on the left side of the fixing plate is slidably connected into the inflating cavity, an inflating spring which is fixedly connected with the left end face of the fixing plate is fixedly connected onto the right end face of the inflating block, an air inlet valve which enables air in the switching cavity to enter the inflating cavity in a one-way manner is fixedly arranged on the rear inner wall of the inflating cavity, and an air pressure valve which enables air on the, equal fixedly connected with fixed plate on the terminal surface around the conversion chamber, all run through around being equipped with in the fixed plate the spacing chamber of fixed plate, equal sliding connection has spacing fixture block in the spacing intracavity, fixedly connected with on the spacing fixture block with the fixed plate is kept away from conversion chamber central point fixed connection's spacing spring, fixedly connected with drives the piece on the lift post left end face, fixedly connected with drives the axle on the terminal surface before driving the piece, it has flexible protection shield that can stretch out and draw back from top to bottom to drive epaxial sliding connection, all be equipped with the opening orientation on the terminal surface around flexible protection shield and keep away from the spacing groove of flexible protection shield central direction, two spacing fixture block is respectively two spacing inslot sliding connection.

2. The dust protection device for building blasting according to claim 1, wherein: the dust removing mechanism comprises a pneumatic cavity with a downward opening on the upper inner wall of the lifting cavity, a pneumatic block is connected in the pneumatic cavity in a sliding manner, a pneumatic spring fixedly connected with the upper end of the pneumatic block is fixedly connected on the upper inner wall of the pneumatic cavity, a water inlet pipe which penetrates through the right end face of the base and the upper end face of the base and is communicated with an external water source is fixedly arranged in the base, the water inlet pipe penetrates through the upper and lower inner walls of the lifting cavity and the upper end face of the lifting column and is fixedly connected with the upper end face of the lifting column, a water spray head is fixedly connected at the upper end of the water inlet pipe, a linkage cavity with a leftward opening and positioned on the upper side of the lifting cavity is arranged on the right inner wall of the water inlet pipe, a linkage block is connected in a sliding manner in the linkage cavity, a linkage spring fixedly connected with the right end of, the upper inner wall and the lower inner wall of the lifting cavity are fixedly connected through a transmission spring.

3. The dust protection device for building blasting according to claim 1, wherein: the supporting mechanism is including being located rotate the back shaft that is equipped with on the inner wall around the support chamber, fixedly connected with backup pad on the back shaft, fixedly connected with on the back shaft with support the chamber before inner wall fixed connection's support torsional spring, be equipped with the exhaust chamber that the opening was right on the lift chamber right side inner wall, be equipped with the ascending air discharge duct of opening on the inner wall under the exhaust chamber, fixedly connected with electro-magnet on the inner wall under the air discharge duct, sliding connection has the exhaust piece in the air discharge duct, fixedly connected with on the electro-magnet up end with terminal surface fixed connection's exhaust spring under the exhaust piece, the inductor of fixedly connected with detectable dust concentration on the lift post left end face.

4. The dust protection device for building blasting according to claim 3, wherein: be equipped with the ascending brake chamber that is located of opening on the inner wall under the inlet tube lift post downside, it is equipped with the brake axle to rotate on the inner wall around the brake chamber, fixedly connected with brake turbine and braking centrifugal wheel on the brake axle, it keeps away from to be equipped with fifteen openings orientation in the braking centrifugal wheel the centrifugal chamber of brake axle central direction, equal sliding connection has the centrifugal piece in the centrifugal chamber, the centrifugal chamber is close to fixedly connected with on the inner wall of brake axle center with the centrifugal piece is close to brake axle center end fixedly connected's centrifugal spring, be equipped with the restriction chamber that the opening is about on the inner wall of brake chamber left side, sliding connection has the restriction piece in the restriction chamber, fixedly connected with on the inner wall of restriction chamber left side with restriction piece left end fixedly connected's restriction spring, restriction piece left end fixedly connected with supports the stay cord, support the stay cord run through restriction chamber left side inner wall with support chamber left side inner wall and .

5. The dust protection device for building blasting according to claim 3, wherein: the sensor detects and makes the electro-magnet circular telegram when dust concentration around the sensor reduces, the electro-magnet circular telegram back can with the exhaust piece is inhaled mutually.

6. The dust protection device for building blasting according to claim 4, wherein: the elastic force of the limiting spring is larger than the torsion force of the supporting torsion spring.

Technical Field

The invention relates to the related field of building engineering, in particular to a dustproof protection device for building blasting.

Background

Building blasting technique can be used in demolising the old building in city, can produce a large amount of dust at the in-process to building blasting, and this can influence the air quality of surrounding environment very much, can cause certain health injury to the resident after being absorbed into the internal by resident on every side, and the phenomenon of stone spill in the building can also appear at the in-process of building blasting moreover, can lead to the fact direct harm to passerby on every side, causes economic loss.

At the present stage, the in-process of building blasting prevents that passerby from being pounded by the stone and removing dust to the dust that the building produced all is the manual work and operates, not only has the in-process of building blasting to prevent passerby from being pounded by the stone and carry out the loaded down with trivial details phenomenon of dust removal process to the dust that the building produced, but also can consume a large amount of physical power of worker, increases worker's work load.

Disclosure of Invention

The invention aims to solve the technical problem of providing a dustproof protection device for building blasting, which solves the problems that passerby is prevented from being hit by stones and dust generated by a building cannot be automatically removed in the automatic building blasting process, and the like, and increases the functions of preventing passerby from being hit by stones and automatically removing dust generated by the building in the automatic building blasting process.

The invention is realized by the following technical scheme.

The invention discloses a dustproof protection device for building blasting, which comprises a base, wherein a conversion cavity with a leftward opening is arranged on the upper end face of the base, a conversion mechanism for detecting a blasting state is arranged in the conversion cavity, a support cavity with a rightward opening is arranged on the upper end face of the base, a support mechanism for supporting the device is arranged in the support cavity, a lifting column capable of stretching up and down is fixedly connected to the upper end face of the base, a lifting cavity is arranged in the lifting column, and a dust removal mechanism for removing dust generated during blasting is arranged in the lifting cavity;

the switching mechanism comprises a switching shaft which is rotatably arranged on the front inner wall and the rear inner wall of the switching cavity, a switching wheel and a switching cam are fixedly connected onto the switching shaft, one end of an inflating pipeline which extends rightwards is fixedly arranged on the right inner wall of the switching cavity, the other end of the inflating pipeline is fixedly connected onto the lower inner wall of the lifting cavity, an inflating cavity is arranged in the inflating pipeline, a fixing plate is fixedly connected onto the inner wall of the inflating cavity, an inflating block which is positioned on the left side of the fixing plate is slidably connected into the inflating cavity, an inflating spring which is fixedly connected with the left end face of the fixing plate is fixedly connected onto the right end face of the inflating block, an air inlet valve which enables air in the switching cavity to enter the inflating cavity in a one-way manner is fixedly arranged on the rear inner wall of the inflating cavity, and an air pressure valve which enables air on the, equal fixedly connected with fixed plate on the terminal surface around the conversion chamber, all run through around being equipped with in the fixed plate the spacing chamber of fixed plate, equal sliding connection has spacing fixture block in the spacing intracavity, fixedly connected with on the spacing fixture block with the fixed plate is kept away from conversion chamber central point fixed connection's spacing spring, fixedly connected with drives the piece on the lift post left end face, fixedly connected with drives the axle on the terminal surface before driving the piece, it has flexible protection shield that can stretch out and draw back from top to bottom to drive epaxial sliding connection, all be equipped with the opening orientation on the terminal surface around flexible protection shield and keep away from the spacing groove of flexible protection shield central direction, two spacing fixture block is respectively two spacing inslot sliding connection.

Furthermore, the dust removing mechanism comprises a pneumatic cavity with a downward opening on the upper inner wall of the lifting cavity, a pneumatic block is connected in the pneumatic cavity in a sliding manner, a pneumatic spring fixedly connected with the upper end of the pneumatic block is fixedly connected on the upper inner wall of the pneumatic cavity, a water inlet pipe which penetrates through the right end face of the base and the upper end face of the base and is communicated with an external water source is fixedly arranged in the base, the water inlet pipe penetrates through the upper and lower inner walls of the lifting cavity and the upper end face of the lifting column and is fixedly connected with the upper end face of the lifting column, a water spray head is fixedly connected with the upper end of the water inlet pipe, a linkage cavity with a leftward opening and positioned on the upper side of the lifting cavity is arranged on the right inner wall of the water inlet pipe, a linkage block is connected in a sliding manner in the linkage cavity, a linkage spring fixedly connected with the right end of the linkage, the upper inner wall and the lower inner wall of the lifting cavity are fixedly connected through a transmission spring.

Further, supporting mechanism is including being located rotate the back shaft that is equipped with on the inner wall around the support chamber, fixedly connected with backup pad on the back shaft, fixedly connected with on the back shaft with support chamber front wall fixed connection's support torsional spring, be equipped with the exhaust chamber that the opening was right on the lift chamber right side inner wall, be equipped with the ascending air discharge duct of opening on the inner wall under the exhaust chamber, fixedly connected with electro-magnet on the inner wall under the air discharge duct, sliding connection has the exhaust piece in the air discharge duct, fixedly connected with on the electro-magnet up end with terminal surface fixed connection's exhaust spring under the exhaust piece, the inductor of fixedly connected with detectable dust concentration on the lift post left end face.

Furthermore, the water inlet pipe is provided with a brake cavity with an upward opening and located on the lower inner wall of the water inlet pipe and on the lower side of the lifting column, a brake shaft is arranged on the front inner wall and the rear inner wall of the brake cavity in a rotating mode, a brake turbine and a brake centrifugal wheel are fixedly connected to the brake shaft, fifteen centrifugal cavities with openings facing away from the center direction of the brake shaft are arranged in the brake centrifugal wheel, centrifugal blocks are connected to the centrifugal cavities in a sliding mode, the centrifugal cavities are close to centrifugal springs fixedly connected to the inner wall of the center of the brake shaft and close to the center end of the brake shaft, a limiting cavity with a rightward opening is arranged on the left inner wall of the brake cavity, a limiting block is connected to the limiting cavity in a sliding mode, a limiting spring fixedly connected to the left end of the limiting block is fixedly connected to the left inner wall of the limiting cavity, a supporting pull rope is fixedly connected to the left inner wall of And (5) winding and connecting.

Further, the sensor detects that when dust concentration around the sensor is reduced, the electromagnet can be electrified, and the electromagnet can attract the exhaust block after being electrified.

Further, the elastic force of the limiting spring is larger than the torsion force of the supporting torsion spring.

The invention has the beneficial effects that: the device is simple in structure and convenient and fast to operate, when a building is blasted, the device is automatically started to work by collecting and utilizing air flow generated when the building collapses, when water is sprayed around the building through the water spraying mechanism, when stones are splashed out, the device can automatically extend the protection plate to block the splashing of the stones, the device is supported through the supporting mechanism, the effect of preventing the device from being splashed out by the splashed stones is achieved, the device can automatically spray water to the position with high dust concentration through the sensor, and therefore the effect of quickly removing dust is achieved, the workload of workers is reduced, and the personal safety of passersby is protected.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at C-C in FIG. 3 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The dust-proof protection device for building blasting, which is described in conjunction with fig. 1-4, comprises a base 10, wherein a conversion cavity 11 with a leftward opening is formed in the upper end surface of the base 10, a conversion mechanism 63 for detecting a blasting state is arranged in the conversion cavity 11, a support cavity 47 with a rightward opening is formed in the upper end surface of the base 10, a support mechanism 64 for supporting the device is arranged in the support cavity 47, a lifting column 26 capable of extending up and down is fixedly connected to the upper end surface of the base 10, a lifting cavity 27 is formed in the lifting column 26, and a dust removal mechanism 62 for removing dust generated during blasting is arranged in the lifting cavity 27;

the switching mechanism 63 comprises a switching shaft 12 which is rotatably arranged on the front inner wall and the rear inner wall of the switching cavity 11, a switching wheel 13 and a switching cam 14 are fixedly connected on the switching shaft 12, one end of an inflating pipeline 15 which extends rightwards is fixedly arranged on the right inner wall of the switching cavity 11, the other end of the inflating pipeline 15 is fixedly connected on the lower inner wall of the lifting cavity 27, an inflating cavity 16 is arranged in the inflating pipeline 15, a fixing plate 17 is fixedly connected on the inner wall of the inflating cavity 16, an inflating block 18 which is arranged on the left side of the fixing plate 17 is slidably connected in the inflating cavity 16, an inflating spring 19 which is fixedly connected with the left end face of the fixing plate 17 is fixedly connected on the right end face of the inflating block 18, an air inlet valve 20 which enables air in the switching cavity 11 to enter the inflating cavity 16 in a one-way manner is fixedly arranged on the rear inner wall of the inflating cavity 16, and an air pressure valve 21 which enables air on the left, equal fixedly connected with fixed plate 22 on the preceding rear end face in conversion chamber 11, run through around all being equipped with in the fixed plate 22 the spacing chamber 23 of fixed plate 22, equal sliding connection has spacing fixture block 24 in the spacing chamber 23, fixedly connected with on the spacing fixture block 24 with fixed plate 22 keeps away from conversion chamber 11 central point fixed connection's spacing spring 25, fixedly connected with driving block 28 on the 26 left end face of lift post, fixedly connected with driving shaft 29 on the preceding terminal surface of driving block 28, sliding connection has flexible protection shield 30 that can stretch out and draw back from top to bottom on the driving shaft 29, all be equipped with the opening orientation on the terminal surface around flexible protection shield 30 and keep away from the spacing groove 31 of flexible protection shield 30 central direction, two spacing fixture block 24 is two respectively sliding connection in spacing groove 31.

Beneficially, the dust removing mechanism 62 includes an air pressure chamber 35 with a downward opening on the upper inner wall of the lifting chamber 27, an air pressure block 36 is slidably connected in the air pressure chamber 35, an air pressure spring 37 fixedly connected with the upper end of the air pressure block 36 is fixedly connected on the upper inner wall of the air pressure chamber 35, a water inlet pipe 33 penetrating through the right end face of the base 10 and the upper end face of the base 10 and communicating with an external water source is fixedly arranged in the base 10, the water inlet pipe 33 penetrates through the upper and lower inner walls of the lifting chamber 27 and the upper end face of the lifting column 26 and fixedly connected therewith, a water spray head 34 is fixedly connected with the upper end of the water inlet pipe 33, a linkage chamber 38 with a leftward opening on the right inner wall of the water inlet pipe 33 and located on the upper side of the lifting chamber 27, a linkage block 39 is slidably connected in the linkage chamber 38, and a linkage spring 40 fixedly connected with the right end of the linkage, a linkage groove 41 which vertically penetrates through the linkage block 39 is arranged in the linkage block 39, and the upper inner wall and the lower inner wall of the lifting cavity 27 are fixedly connected through a transmission spring 65.

Beneficially, supporting mechanism 64 is including being located rotate the back shaft 48 that is equipped with around supporting chamber 47 on the inner wall, fixedly connected with backup pad 49 on the back shaft 48, fixedly connected with on the back shaft 48 with support chamber 47 before inner wall fixed connection's support torsional spring 50, be equipped with the exhaust chamber 42 that the opening went right on the lift chamber 27 right side inner wall, be equipped with the ascending air discharge duct 43 of opening on the inner wall under the exhaust chamber 42, fixedly connected with electro-magnet 44 on the inner wall under the air discharge duct 43, sliding connection has exhaust block 45 in the air discharge duct 43, fixedly connected with on the electro-magnet 44 up end with exhaust block 45 terminal surface fixed connection's exhaust spring 46, fixedly connected with detectable dust concentration's inductor 32 on the lift post 26 left end face.

Advantageously, a brake cavity 52 with an upward opening is arranged on the lower inner wall of the water inlet pipe 33 and positioned on the lower side of the lifting column 26, a brake shaft 53 is rotatably arranged on the front and rear inner walls of the brake cavity 52, a brake turbine 54 and a brake centrifugal wheel 55 are fixedly connected to the brake shaft 53, fifteen centrifugal cavities 56 with openings facing away from the center of the brake shaft 53 are arranged in the brake centrifugal wheel 55, centrifugal blocks 57 are slidably connected in the centrifugal cavities 56, a centrifugal spring 58 fixedly connected with the centrifugal block 57 and close to the center of the brake shaft 53 is fixedly connected to the inner wall of the centrifugal cavity 56 close to the center of the brake shaft 53, a limit cavity 59 with a rightward opening is arranged on the left inner wall of the brake cavity 52, a limit block 60 is slidably connected in the limit cavity 59, and a limit spring 61 fixedly connected with the left end of the limit block 60 is fixedly connected to the left inner wall of the, the left end of the limiting block 60 is fixedly connected with a supporting pull rope 51, and the supporting pull rope 51 penetrates through the left inner wall of the limiting cavity 59 and the left inner wall of the supporting cavity 47 and is fixedly wound and connected with the supporting shaft 48.

Advantageously, detection by the sensor 32 of a reduced concentration of dirt and dust around the sensor 32 causes the electromagnet 44 to be energized, which electromagnet 44 is energized to attract the exhaust block 45.

Advantageously, the elastic force of the restraining spring 61 is greater than the torsion force of the supporting torsion spring 50.

In the initial state, the supporting torsion spring 50 is in a twisted state.

When the device works, a plurality of the devices are placed around a building to be blasted, the telescopic protection plate 30 faces the building to be blasted, when the building starts to blast, strong airflow is generated at the bottom of the building and flows towards the device, so that the conversion wheel 13 is driven by the strong airflow generated when the building is blasted and rotates, the conversion shaft 12 and the conversion cam 14 are driven to rotate, the conversion cam 14 rotates to push the inflating block 18 to the left and right, the inflating spring 19 is in a compressed and reset circulating state, due to the effects of the air inlet valve 20 and the air pressure valve 21, the inflating block 18 moves to inflate and pressurize the inflating cavity 16, the air pressure in the lifting cavity 27 is increased, the transmission spring 65 is stretched, the lifting column 26 extends upwards, the driving block 28, the sensor 32 and the water spray head 34 move upwards, and the driving block 28 moves upwards, make flexible protection shield 30 stretched, the stone that spills when the flexible protection shield 30 after being stretched can reach and block the blasting building smashes passerby on every side, atmospheric pressure in lift chamber 27 increases and makes atmospheric pressure piece 36 upwards promoted, make atmospheric pressure spring 37 compressed, make linkage block 39 influenced by atmospheric pressure and pushed right, make linkage spring 40 compressed, make in inlet tube 33, make outside water source accessible inlet tube 33 and sprinkler bead 34 spray the outside, thereby reached when the blasting begins the automatic rising lift post 26 of back and begin to spill water and remove dust.

During blasting, stones may be splashed out of the building, the stones may be hit on the telescopic protection plate 30 at a high speed, but the device may be hit down, at this time, water flows in the water inlet pipe 33, so that the brake turbine 54 is driven to rotate, the brake shaft 53 and the brake centrifugal wheel 55 are driven to rotate, the centrifugal block 57 moves away from the center of the brake shaft 53, the centrifugal spring 58 is stretched, the centrifugal block 57 moves, so that the limiting block 60 is pushed leftwards, the limiting spring 61 is compressed, the support pull rope 51 is loosened, the support torsion spring 50 is reset, the support shaft 48 and the support plate 49 rotate clockwise, so that the support plate 49 rotates to be in contact with the ground, and the effect that the support plate 49 supports the device is achieved.

Dust concentration around the sensor 32 will reduce after watering, the sensor 32 detects that dust concentration reduces and makes the electro-magnet 44 circular telegram, electro-magnet 44 attracts with exhaust block 45 mutually, make exhaust spring 46 compressed, exhaust block 45 is pulled downwards, make lift chamber 27 communicate with the outside through exhaust chamber 42, make the atmospheric pressure in the lift chamber 27 discharged, make the lift post 26 contract, make the sensor 32, drive piece 28 and sprinkler head 34 move down, when the sensor 32 moves to the position that dust concentration is great, make electro-magnet 44 cut off the power supply and do not attract with exhaust block 45 mutually, make exhaust spring 46 reset, exhaust block 45 is upwards promoted, make the lift chamber 27 can not communicate with the outside through exhaust chamber 42, make the lift post 26 stop contracting, make sprinkler head 34 stop and spill water in the place that dust concentration is great, when the sensor 32 moves to initial position, the lifting column 26 is hydraulically contracted to an initial state, so that the effects of rapid dust removal and resetting are achieved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.