CN112606096A - Dustproof noise control device that building site used - Google Patents

Abstract

The invention discloses a dustproof and noise-proof device for a construction site, which comprises two circular baffles, wherein rubber rings are fixedly arranged at the edges of the circular baffles, a sleeve is inserted between the centers of the two circular baffles in a penetrating manner, one end of the sleeve is in a closed design, two ends of the sleeve are movably sleeved with lantern rings, and one sides of the two lantern rings, which are separated from each other, are fixedly connected with the two circular baffles respectively; according to the invention, through the continuous action of the hydraulic rod, the vibration generated by the drill bit and the pipe wall is converted into the elastic potential energy of the first spring through the second inserting plate, and the second inserting plate continuously moves to play a role in relieving the vibration of the pipe wall in a vibration state contacted in the moving process of the second inserting plate, so that the acting range of the second inserting plate is wider, the vibration relieving effect is more obvious, the generated dust is blocked by the two circular baffles, and meanwhile, the rotating plate, the movable plate and the second inserting plate are separated in a smaller interval, so that the dust is not easy to diffuse to the outside, and when the dust impacts the surface of the second inserting plate, the dust can be rapidly settled.

Description

Dustproof noise control device that building site used

Technical Field

The invention belongs to the technical field of dust prevention and noise prevention of construction sites, and particularly relates to a dust prevention and noise prevention device for a construction site.

Background

The construction site, called as a ground disk for short, is a place where building projects are being developed and civil engineering is carried out, and the range of the construction site is often closed by enclosing plates, wire netting or enclosing walls so as to limit the access of personnel, materials, machinery and vehicles; in the construction process of the construction site, because collision between various machines and building materials can generate large noise and simultaneously accompany a large amount of dust, the construction site requires measures for dust prevention and noise reduction in the construction process.

Especially in city pipeline construction process, the pipeline of laying needs to be drilled with the tapping machine on the pipe wall, be used for installing the fixed bolster, thereby support for other equipment provides the installation, and the space in the pipeline is comparatively narrow and small, consequently can produce a large amount of dust when the in-process of trompil can produce huge noise, this can produce the injury to constructor, and the dust that produces is difficult to scatter in the pipeline in addition, constructor need wait that the dust dissipates gradually just can carry out subsequent trompil operation, thereby work efficiency has been reduced.

Therefore, it is necessary to provide a dustproof and noise-proof apparatus for a construction site, which can reduce noise generated during drilling and remove dust generated during drilling when a hole is opened in a pipe, thereby improving work efficiency.

Disclosure of Invention

In view of the above problems, the present invention provides a dustproof and noise-proof device for construction sites to solve the above problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a dustproof and noise-proof device for a construction site comprises two circular baffles, wherein rubber rings are fixedly installed at the edges of the circular baffles, a sleeve is inserted between the centers of the two circular baffles in a penetrating manner, one end of the sleeve is in a closed design, two ends of the sleeve are movably sleeved with lantern rings, and one sides, away from each other, of the two lantern rings are fixedly connected with the two circular baffles respectively;

the top of the sleeve is provided with two fixed plates which are symmetrical about a perpendicular bisector of the sleeve, the front side and the rear side of each fixed plate are fixedly connected with two circular baffles respectively, the top of each fixed plate is hinged with a rotating plate, one side, away from each other, of each fixed plate is provided with a plurality of movable plates which are symmetrical about the perpendicular bisector of the sleeve, one side, close to the sleeve, of each movable plate penetrates through and is inserted with an inserted rod in the front-rear direction, one end, located on the same side, of each inserted rod is movably inserted into a gap between the sleeve and the sleeve ring on the corresponding side, and the length of each movable plate is equal to the sum of the lengths of the rotating plates and the fixed;

the drilling device comprises a motor, a drill bit is installed at the top of the motor, a supporting plate is fixedly connected to the bottom of the motor, connecting rods are fixedly connected to two sides of the supporting plate, one end, away from the supporting plate, of each connecting rod is movably connected with a sliding block, a first sliding groove is formed in the rotating plate at the position corresponding to the sliding block, the sliding block is fixedly connected with the first inserting plate through the first sliding groove, a hydraulic rod is fixedly connected to the bottom of the supporting plate, a connecting plate is fixedly connected to the bottom of the hydraulic rod, and two ends of the connecting plate are fixedly connected with one side, opposite to the two fixing plates, of the corresponding fixing plate respectively, the sleeve pipe at the corresponding position of the bottom of the connecting plate is inserted with a collecting pipe;

the movable plates are movably inserted with a same section of limiting ring in a penetrating manner, the curvature of the limiting ring is the same as that of the sleeve, the circle centers of the limiting ring and the sleeve are overlapped, two ends of the limiting ring are fixedly connected with one side, away from the two fixed plates, of the two fixed plates respectively, second springs are arranged between the movable plates which are positioned on the same side and between the fixed plate and the adjacent movable plate, the second springs are correspondingly sleeved on the limiting ring positioned in the interval, a same pull rope is sequentially connected between the movable plates which are positioned on the same side in a penetrating manner, one end of the pull rope is fixedly connected with the position, close to the top, of the rotating plate, a plurality of stop blocks are fixedly connected onto the pull rope, and the stop blocks are positioned between the other end of the pull rope and the;

the one end that the sleeve pipe was not sealed links firmly has connected the connecting pipe, and installs the suction fan in the connecting pipe, the connecting pipe is kept away from sheathed tube one end and is connected with the control box, the gyro wheel is all installed to the bottom both sides of control box, the pneumatic cylinder is installed to one side that the control box corresponds circular baffle, the top of pneumatic cylinder has linked firmly the jack rod, and the jack rod links firmly with adjacent circular baffle.

Preferably, the second spout has all been seted up to the side around the fly leaf, and the second spout is corresponding with first picture peg position, and a plurality of spacing grooves have all been seted up to one side that two circular baffles are relative, and is a plurality of spacing groove and a plurality of fly leaf one-to-one are located a plurality of homonymies the spacing groove is about sleeve pipe rotational symmetry, and the spacing groove is along with rotational symmetry's direction slope, the side all has linked firmly the stopper around the first picture peg, and the stopper passes through the second spout and is located the spacing groove. .

Preferably, the tops of two adjacent movable plates at the bottom of the horizontal cutting line of the sleeve are fixedly connected with a collecting box, the top of the collecting box is movably provided with a box door, a clapboard is arranged in the collecting box, and one side of the clapboard close to the sleeve is fixedly connected with a third spring, one end of the third spring far away from the clapboard is fixedly connected with the inner wall of the collecting box, the elasticity of the third spring is less than the gravity of the clapboard, the elasticity of the third spring is larger than the friction force between the collecting box and the baffle plate in the horizontal state, one side of the collecting box close to the baffle plate is provided with a plurality of vent holes, the edge openings of the vent holes are hinged with one-way valves, wherein the plurality of vent holes at the top can only intake air from the outside to the inside of the collecting box, the plurality of vent holes at the bottom can only exhaust air from the inside of the collecting box, the filter screen is arranged in the collecting box and corresponds to the area where the plurality of vent holes are arranged at the bottom.

Preferably, the free end of the second inserting plate is provided with a containing groove, a plurality of balls are arranged in the containing groove, and one part of the balls is positioned outside the containing groove.

Preferably, the sum of the maximum extension length of the first inserting plate in the movable plate and the length of the movable plate is less than the length from the axis of the sleeve to the outer ring of the rubber ring.

Preferably, dampers are installed on all surfaces of the partition plate, which are in contact with the wall of the collecting box, and the sum of the resistance generated by the dampers and the friction between the partition plate and the collecting box in the horizontal state is smaller than the elastic force of the third spring.

Preferably, the limiting ring is sleeved with a plurality of limiting plates, the limiting plates correspond to the stop blocks in position one to one, and the limiting plates are in contact with the adjacent movable plates.

The invention has the technical effects and advantages that:

1. the invention converts the vibration generated by the drill bit and the pipe wall into the elastic potential energy of the first spring through the second inserting plate under the continuous action of the hydraulic rod, thereby achieving the effect of reducing noise, the drill bit continues to rise, the movable plate drives the second inserting plate to continuously approach to the drilling position, thereby playing a better vibration attenuation role for the pipe wall with larger vibration near the drill hole, and the second inserting plate continuously moves, the vibration relieving function is realized on the pipe wall in the vibration state contacted in the moving process of the second inserting plate, thereby the range of the second inserting plate is larger, the vibration reducing effect is more obvious, the dust generated in the drilling process can be blocked by the two circular baffles, meanwhile, the baffle is separated by the rotating plate, the movable plate and the second inserting plate in a smaller interval, so that the baffle is not easy to diffuse to the outside, and dust can be rapidly settled when impacting the surface of the baffle;

2. according to the invention, the limiting groove is formed, when the movable plates positioned on the same side move towards the fixed plate on the side under the action of the pull rope, the limiting block starts to move along the limiting groove, so that the first inserting plate is deflected towards the fixed plate and the second inserting plate is pushed to approach towards the pipe wall;

3. according to the dust collector, the collecting box is arranged, when dust is diffused to the position of the collecting box through the gap between the first inserting plate and the circular baffle plate, the collecting box is gradually changed into a horizontal state from an inclined downward state, the third spring pulls the baffle plate, so that the vent hole close to the top of the collecting box is opened, and the dust is sucked into the collecting box along with the movement of the baffle plate; after drilling, the collecting box resumes to the slant from the horizontality and state down, and the baffle resumes the normal position under the effect of third spring this moment to make the air vent that is close to the collecting box bottom opened, the air in the collecting box was discharged after the filter screen filtration this moment, and the dust is then stayed in the collecting box, thereby has avoided the continuation diffusion of dust.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present 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 some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a top view of the present invention;

FIG. 2 is a principal cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the portion C of FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of section D of FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of section E of FIG. 2 according to the present invention;

FIG. 8 is a front cross-sectional view of the collection chamber of the present invention;

FIG. 9 is an enlarged view of portion F of FIG. 8 according to the present invention;

fig. 10 is a schematic diagram of the operation of the present invention.

In the figure: the device comprises a circular baffle 1, a sleeve 2, a lantern ring 3, a fixed plate 4, a rotating plate 5, a movable plate 6, an inserting rod 7, a first inserting plate 8, a second inserting plate 9, a first spring 10, a drilling device 11, a motor 101, a supporting plate 102, a connecting rod 103, a sliding block 104, a hydraulic rod 105, a collecting pipe 12, a limiting ring 13, a second spring 14, a pull rope 15, a stop block 16, a connecting pipe 17, an operating box 18, a hydraulic cylinder 19, a limiting groove 20, a limiting block 21, a collecting box 22, a separating plate 23, a third spring 24, a vent hole 25, a one-way valve 26, a filter screen 27, a containing groove 28 and a limiting plate 29.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a dustproof and noise-proof device for a construction site, which comprises two circular baffles 1, wherein rubber rings are fixedly arranged at the edges of the circular baffles 1, a sleeve 2 is inserted between the circle centers of the two circular baffles 1 in a penetrating manner, one end of the sleeve 2 is in a closed design, two ends of the sleeve 2 are movably sleeved with lantern rings 3, and one sides, away from each other, of the two lantern rings 3 are fixedly connected with the two circular baffles 1 respectively;

the top of the sleeve 2 is provided with two fixed plates 4, the two fixed plates 4 are symmetrical about a vertical bisector of the sleeve 2, the front side and the rear side of each fixed plate 4 are fixedly connected with the two circular baffles 1 respectively, the top of each fixed plate 4 is hinged with a rotating plate 5, one side, away from each other, of each fixed plate 4 is provided with a plurality of movable plates 6, the movable plates 6 are symmetrical about the vertical bisector of the sleeve 2, one side, close to the sleeve 2, of each movable plate 6 is inserted with an inserted rod 7 in a penetrating manner along the front-rear direction, one end, located on the same side, of each inserted rod 7 is movably inserted into a gap between the sleeve 2 and the sleeve ring 3 on the corresponding side, and the length of each movable plate 6 is equal to the sum of the;

the drilling device is characterized in that one side, away from the sleeve 2, of each of the rotating plate 5 and the movable plate 6 is movably inserted with a first inserting plate 8, the free end of the first inserting plate 8 is movably inserted with a second inserting plate 9, one side, close to the sleeve 2, of the second inserting plate 9 is fixedly connected with a first spring 10, the first spring 10 is positioned inside the first inserting plate 8, two drilling devices 11 are arranged between the rotating plates 5, each drilling device 11 comprises a motor 101, a drill bit is installed at the top of the motor 101, the bottom of the motor 101 is fixedly connected with a supporting plate 102, two sides of the supporting plate 102 are fixedly connected with connecting rods 103, one end, away from the supporting plate 102, of each connecting rod 103 is movably connected with a sliding block 104, the rotating plate 5 at the position corresponding to the sliding block 104 is provided with a first sliding groove in the vertical direction, the sliding block 104 is fixedly connected with the first inserting plate 8 through the first sliding groove, the bottom of the supporting plate, two ends of the connecting plate are fixedly connected with one side of the two fixing plates 4 opposite to each other, and the sleeve 2 at the corresponding position of the bottom of the connecting plate is inserted with the collecting pipe 12;

a same section of limiting ring 13 is movably inserted between the movable plates 6 in a penetrating manner, the curvature of the limiting ring 13 is the same as that of the sleeve 2, the circle centers of the limiting ring and the sleeve are overlapped, two ends of the limiting ring 13 are fixedly connected with one side of the two fixed plates 4, a second spring 14 is arranged between the movable plates 6 positioned on the same side and between the fixed plate 4 and the adjacent movable plate 6, the second springs 14 are correspondingly sleeved on the limiting ring 13 positioned in the interval, the same pull rope 15 is sequentially connected between the movable plates 6 positioned on the same side in a penetrating manner, one end of the pull rope 15 is fixedly connected with the position, close to the top, of the rotating plate 5, a plurality of stop blocks 16 are fixedly connected on the pull rope 15, and the stop blocks 16 are respectively positioned between the other end of the pull rope 15 and the adjacent two movable plates 6;

the one end that sleeve pipe 2 did not seal links firmly has connected connecting pipe 17, and installs the suction fan in the connecting pipe 17, the one end that sleeve pipe 2 was kept away from to connecting pipe 17 is connected with control box 18, the gyro wheel is all installed to the bottom both sides of control box 18, pneumatic cylinder 19 is installed to one side that control box 18 corresponds circular baffle 1, the top of pneumatic cylinder 19 has linked firmly the jack rod, and the jack rod links firmly with adjacent circular baffle 1.

As a specific embodiment of the present invention, the front side and the rear side of the movable plate 6 are both provided with a second sliding groove, the second sliding groove corresponds to the position of the first board 8, one side of the two circular baffles 1 opposite to each other is provided with a plurality of limiting grooves 20, the plurality of limiting grooves 20 correspond to the plurality of movable plates 6 one by one, the plurality of limiting grooves 20 located on the same side are rotationally symmetric with respect to the sleeve 2, the limiting grooves 20 are inclined along the direction of rotational symmetry, the front side and the rear side of the first board 8 are both fixedly connected with a limiting block 21, and the limiting block 21 is located in the limiting groove 20 through the second sliding groove; when the movable plates 6 on the same side move towards the fixed plate 4 under the action of the pull rope 15, the limiting block 21 starts to move along the limiting groove 20, so that the first inserting plate 8 deflects towards the fixed plate 4 and meanwhile pushes the second inserting plate 9 to approach towards the pipe wall, when the second inserting plate 9 contacts with the pipe wall, the first spring 10 starts to contract, the movable plate 6 continues to deflect towards the drilling position, the acting force of the second inserting plate 9 on the pipe wall at the drilling position is continuously increased, the vibration generated when the drill bit drills is continuously reduced, and the noise weakening effect of the second inserting plate 9 is further enhanced.

As a specific embodiment of the present invention, the top of two adjacent movable plates 6 at the bottom of the horizontal parting line of the sleeve 2 is fixedly connected with a collecting box 22, a box door is movably mounted at the top of the collecting box 22, a partition 23 is arranged in the collecting box 22, one side of the partition 23 close to the sleeve 2 is fixedly connected with a third spring 24, one end of the third spring 24 far away from the partition 23 is fixedly connected with the inner wall of the collecting box 22, the elastic force of the third spring 24 is smaller than the gravity of the partition 23, the elastic force of the third spring 24 is larger than the friction force between the partition 23 and the collecting box 22 in a horizontal state, one side of the collecting box 22 close to the partition 23 is provided with a plurality of vent holes 25, the edge of the vent hole 25 is hinged with a one-way valve 26, wherein the vent holes 25 at the top can only intake air from the outside to the inside of the collecting box 22, the vent holes 25 at the, a filter screen 27 is arranged in the collecting box 22, and the filter screen 27 corresponds to the area where the plurality of vent holes 25 are arranged at the bottom; because gaps are formed among the first inserting plate 8, the second inserting plate 9 and the circular baffle plate 1, a small amount of dust is diffused among other movable plates 6 through the gaps in the drilling process, when the dust is diffused to the position of the collecting box 22, the collecting box 22 is gradually changed into a horizontal state from an inclined downward state along with the deflection of the movable plates 6, at the moment, the third spring 24 contracts and pulls the partition plate 23 to move towards the direction of the sleeve 2, at the moment, the vent hole 25 close to the top of the collecting box 22 is opened due to the pressure of outside air, at the moment, the dust is sucked into the collecting box 22 along with the movement of the partition plate 23, and along with the continuous deflection of the collecting box 22, the partition plate 23 continues to move so as to continuously absorb the dust, so that the continuous diffusion; after drilling, the collecting box 22 is driven by the movable plate 6 to gradually return to the original position, when the collecting box 22 returns to the inclined downward state from the horizontal state, the partition plate 23 gradually compresses air in the collecting box 22 under the action of the third spring 24, the vent hole 25 close to the bottom of the collecting box 22 is opened, the air in the collecting box 22 is filtered by the filter screen 27 and then discharged, dust is remained in the collecting box 22, and after the drilling is finished, the box door is opened, so that the cleaning can be carried out.

As a specific embodiment of the present invention, a receiving groove 28 is formed at a free end of the second board 9, a plurality of balls are disposed in the receiving groove 28, and a part of the balls is located outside the receiving groove 28; when the free end of the second insert plate 9 is in contact with the pipe wall and is drawn by the pull rope 15 to approach the fixed plate 4, the ball bearings can reduce the friction between the pipe wall and the second insert plate 9.

As a specific embodiment of the present invention, the sum of the maximum extension length of the first inserting plate 8 in the movable plate 6 and the length of the movable plate 6 is less than the length from the axis of the sleeve 2 to the outer ring of the rubber ring; only the second insert plate 9 can contact with the pipe wall while the first insert plate 8 is not in contact with the pipe wall, so that the second insert plate 9 is not influenced by the first insert plate 8 in the moving process.

As a specific embodiment of the present invention, dampers are installed on all surfaces of the partition plate 23 contacting with the wall of the collecting tank 22, and the sum of the resistance generated by the dampers and the friction between the partition plate 23 and the collecting tank 22 in the horizontal state is smaller than the elastic force of the third spring 24; the partition 23 is ensured to be smoothly moved so that the collection container 22 can be constantly subjected to the suction or discharge operation.

As a specific embodiment of the present invention, a plurality of limiting plates 29 are sleeved on the limiting ring 13, the plurality of limiting plates 29 correspond to the positions of the stoppers 16 one by one, and the limiting plates 29 contact the adjacent movable plate 6; the limit plate 29 ensures that the mobile plate 6 is restored to the initial position under the action of the second spring 14.

The working principle is as follows: in the urban pipeline construction process, the space in the pipeline is narrow, so that huge noise is generated and a large amount of dust is generated in the process of drilling, the damage is caused to constructors, the generated dust is not easy to scatter in the pipeline, and the constructors can perform subsequent drilling operation after the dust is gradually dissipated, so that the working efficiency is reduced; the specific measures and the using process are as follows: by arranging the second inserting plate 9, when the inner wall of the pipeline needs to be perforated, the circular baffle plate 1 is aligned to the opening of the pipeline, the height of the circular baffle plate 1 is adjusted by the hydraulic cylinder 19, the circle center of the circular baffle plate 1 is overlapped with the circle center of the pipeline, then the second inserting plate 9 is pressed, the free end of the second inserting plate 9 is not contacted with the inner wall of the pipeline, then the operation box 18 is started, the circular baffle plate 1 is pushed into the pipeline completely under the pushing of the operation box 18, the second inserting plate 9 is loosened at the moment, the second inserting plate 9 is attached to the pipe wall under the action of the first spring 10, the drill bit is adjusted to the position needing drilling, the motor 101 and the hydraulic rod 105 are started simultaneously, the drill bit is gradually close to the pipe wall, the two rotating plates 5 start to deflect in opposite directions under the action of the two connecting rods 103 along with the ascending of the drill bit, and meanwhile, the pull ropes 15 pull the plurality of movable plates 6 on the corresponding side under the action of the rotating plates 5 to compress The two springs 14 approach the rotating plate 5, and with the continuous action of the hydraulic rod 105, when the drill bit contacts the pipe wall, the pipe wall at the drill hole will vibrate due to the drilling action of the drill bit, thereby generating noise, the vibration generated by the drill bit and the pipe wall is converted into the elastic potential energy of the first spring 10 through the second inserting plate 9, thereby playing a role of reducing the noise, the drill bit continues to rise, at this time, the plurality of movable plates 6 at the two sides drive the plurality of second inserting plates 9 to continue to approach the drill hole, thereby playing a good role of reducing the vibration of the pipe wall with larger vibration near the drill hole, and in the process of drilling, during the continuous movement of the second inserting plate 9, the second inserting plate 9 cooperates with the first spring 10, playing a role of relieving the vibration of the pipe wall in the vibration state contacted during the movement of the second inserting plate 9, thereby making the range of the second inserting plate 9 larger, and during the movement of the second inserting plate 9 and the first spring 10, and the dust that produces among the drilling process can be through blockking by two circular baffle 1, is separated the shelves by runner 5, fly leaf 6 and second picture peg 9 simultaneously and in less interval one by one, is difficult for diffusing to the external world to when the dust strikes its surface, can subside fast, most dust passes through collecting pipe 12 and gets into in the sleeve pipe 2, the dust in the sleeve pipe 2 gets into operation box 18 under the effect of suction fan and is collected, avoided the arbitrary diffusion of dust in the pipeline, thereby improved work efficiency.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a dustproof noise control device that building site used, includes two circular baffles (1), its characterized in that: the edge of each circular baffle (1) is fixedly provided with a rubber ring, a sleeve (2) penetrates and is inserted between the circle centers of the two circular baffles (1), one end of the sleeve (2) is in a closed design, two ends of the sleeve (2) are movably sleeved with lantern rings (3), and one sides of the two lantern rings (3) which are separated from each other are fixedly connected with the two circular baffles (1) respectively;

two fixing plates (4) are arranged at the top of the sleeve (2), the two fixing plates (4) are symmetrical about the vertical bisector of the sleeve (2), the front side and the rear side of the fixed plate (4) are respectively fixedly connected with two circular baffles (1), the top of the fixed plates (4) is hinged with a rotating plate (5), one side of each of the two fixed plates (4) which is away from each other is provided with a plurality of movable plates (6), and a plurality of said movable plates (6) being symmetrical with respect to a perpendicular bisector of the sleeve (2), one side of the movable plate (6) close to the sleeve (2) is inserted with inserting rods (7) in a penetrating and inserting way along the front-back direction, one end of each inserting rod (7) positioned at the same side is movably inserted in a gap between the sleeve (2) and the lantern ring (3) at the corresponding side, the length of the movable plate (6) is equal to the sum of the lengths of the rotating plate (5) and the fixed plate (4);

the drilling device is characterized in that one side, away from the sleeve (2), of each of the rotating plates (5) and the movable plate (6) is movably inserted with a first inserting plate (8), the free end of the first inserting plate (8) is movably inserted with a second inserting plate (9), one side, close to the sleeve (2), of the second inserting plate (9) is fixedly connected with a first spring (10), the first spring (10) is located inside the first inserting plate (8), a drilling device (11) is arranged between the two rotating plates (5), the drilling device (11) comprises a motor (101), a drill bit is installed at the top of the motor (101), a supporting plate (102) is fixedly connected with the bottom of the motor (101), connecting rods (103) are fixedly connected with two sides of the supporting plate (102), one end, away from the supporting plate (102), of each connecting rod (103) is movably connected with a sliding block (104), and the sliding block (104) corresponds to the position, a first sliding groove is formed in the vertical direction, the sliding block (104) is fixedly connected with the first inserting plate (8) through a first sliding groove, the bottom of the supporting plate (102) is fixedly connected with a hydraulic rod (105), the bottom of the hydraulic rod (105) is fixedly connected with a connecting plate, two ends of the connecting plate are fixedly connected with one side of the two fixing plates (4) opposite to each other, and a collecting pipe (12) is inserted into the sleeve (2) at the position corresponding to the bottom of the connecting plate;

the movable plates (6) are movably inserted with a same section of limiting ring (13) in a penetrating way, the curvature of the limiting ring (13) is the same as that of the sleeve (2), the circle centers of the two are superposed, the two ends of the limiting ring (13) are respectively and fixedly connected with one side of the two fixed plates (4) which are separated from each other, second springs (14) are respectively arranged among the plurality of movable plates (6) which are positioned at the same side, and between the fixed plate (4) and the adjacent movable plate (6), and a plurality of second springs (14) are correspondingly sleeved on the limiting ring (13) positioned in the interval, a same pull rope (15) is sequentially connected between a plurality of movable plates (6) positioned at the same side in a penetrating way, one end of the pull rope (15) is fixedly connected with the position of the rotating plate (5) close to the top, the pull rope (15) is fixedly connected with a plurality of stop blocks (16), and the stop blocks (16) are respectively positioned at the other end of the pull rope (15) and between the two adjacent movable plates (6);

the one end that sleeve pipe (2) do not seal links firmly connecting pipe (17), and installs the suction fan in connecting pipe (17), the one end that sleeve pipe (2) were kept away from in connecting pipe (17) is connected with control box (18), the bottom both sides of control box (18) are all installed the gyro wheel, pneumatic cylinder (19) are installed to one side that control box (18) correspond circular baffle (1), the top of pneumatic cylinder (19) has linked firmly the jack rod, and the jack rod links firmly with adjacent circular baffle (1).

2. The dustproof and noiseproof device for construction site according to claim 1, wherein: the second spout has all been seted up to the side around fly leaf (6), and the second spout is corresponding with first picture peg (8) position, and a plurality of spacing grooves (20) have all been seted up to two relative one sides of circular baffle (1), and is a plurality of spacing groove (20) and a plurality of fly leaf (6) one-to-one, are located a plurality of homonymy spacing groove (20) are about sleeve pipe (2) rotational symmetry, and spacing groove (20) along with rotational symmetry's direction slope, side all has linked firmly stopper (21) around first picture peg (8), and stopper (21) are located spacing groove (20) through the second spout.

3. The dustproof and noiseproof device for construction site according to claim 1, wherein: the top parts of two adjacent movable plates (6) at the bottom of a horizontal parting line of the sleeve (2) are fixedly connected with a collecting box (22), the top part of the collecting box (22) is movably provided with a box door, a partition plate (23) is arranged in the collecting box (22), one side of the partition plate (23) close to the sleeve (2) is fixedly connected with a third spring (24), one end of the third spring (24) far away from the partition plate (23) is fixedly connected with the inner wall of the collecting box (22), the elastic force of the third spring (24) is smaller than the gravity of the partition plate (23), the elastic force of the third spring (24) is larger than the friction force between the partition plate (23) and the collecting box (22) in a horizontal state, one side of the collecting box (22) close to the partition plate (23) is provided with a plurality of vent holes (25), the edge openings of the vent holes (25) are hinged with one-way valves (26), wherein the vent holes (25), the plurality of vent holes (25) positioned at the bottom can only exhaust air from the interior of the collecting box (22), a filter screen (27) is arranged in the collecting box (22), and the filter screen (27) corresponds to the area where the plurality of vent holes (25) at the bottom are positioned.

4. The dustproof and noiseproof device for construction site according to claim 1, wherein: the free end of the second inserting plate (9) is provided with a containing groove (28), a plurality of balls are arranged in the containing groove (28), and one part of the balls is positioned outside the containing groove (28).

5. The dustproof and noiseproof device for construction site according to claim 1, wherein: the sum of the maximum extension length of the first inserting plate (8) in the movable plate (6) and the length of the movable plate (6) is less than the length from the axle center of the sleeve (2) to the outer ring of the rubber ring.

6. The dustproof and noiseproof device for construction site according to claim 3, wherein: dampers are arranged on all surfaces of the partition plate (23) which are in contact with the wall of the collecting box (22), and the sum of the resistance generated by the dampers and the friction between the partition plate (23) and the collecting box (22) in the horizontal state is smaller than the elastic force of the third spring (24).

7. The dustproof and noiseproof device for construction site according to claim 1, wherein: the limiting ring (13) is sleeved with a plurality of limiting plates (29), the positions of the limiting plates (29) and the positions of the stop blocks (16) are in one-to-one correspondence, and the limiting plates (29) are in contact with the adjacent movable plates (6).

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