CN117926684B - Old cement pavement crushing device with dust fall function and use method thereof - Google Patents

Abstract

The invention relates to the technical field of highway construction, in particular to an old cement pavement crushing device with a dust fall function and a use method thereof, wherein the old cement pavement crushing device comprises a vehicle body, a dust fall component and a crushing component, and the crushing component is positioned at the tail end of the vehicle body; the dust falling component comprises a water tank, a water spraying disc, a three-way pipeline, a piston block and a reciprocating component; the water tank is positioned on the vehicle body and is connected with the three-way pipeline; the water spraying disc penetrates from the top end of the vehicle body to the bottom end of the vehicle body; the three-way pipeline is positioned at the top end of the vehicle body and is connected with the water spraying disc; the piston block is positioned in the three-way pipeline, and the outer peripheral wall of the piston block is in clearance fit with the inner peripheral wall of the three-way pipeline; the reciprocating assembly is connected with the piston block and used for driving the piston block to reciprocate in the three-way pipeline, so that the inner cavity space of the three-way pipeline is compressed. The invention can spray water mist to the working area, and can periodically adjust the spraying range of the water spraying disc under the action of the piston block.

Description

Old cement pavement crushing device with dust fall function and use method thereof

Technical Field

The invention relates to the technical field of highway construction, in particular to an old cement pavement crushing device with a dust fall function and a use method thereof.

Background

At present, more concrete roads exist in China, the roads are often uneven or are easy to damage, when repairing, the upper layer is required to be formed into a broken layer of 2-5 cm, the broken layer is used as graded broken stone, asphalt is paved for compacting again, larger dust can be generated in the process of breaking cement pavement, normal construction is influenced, construction efficiency is influenced, and physical health of constructors is also influenced.

Chinese patent CN217613794U discloses a broken dust device in road surface for building highway, belong to highway construction technical field, including the backup pad, four removal wheels are installed to the bottom of backup pad, four removal wheels are the rectangle and distribute, the water tank is installed at the top of backup pad, be connected with two outlet pipes through the valve on the water tank, the one end that the water tank was kept away from to two outlet pipes all is connected with the shower nozzle, the top of backup pad is installed by adjustment mechanism, two shower nozzles all are connected with adjustment mechanism, broken mechanism is installed at the top of backup pad, adjustment mechanism and broken mechanism are located the both sides that the water tank kept away from each other respectively, adjustment mechanism includes actuating assembly and two rotating assembly, two rotating assembly all are connected with actuating assembly, actuating assembly includes driving motor, driving motor installs the inside in the backup pad vertically. According to the pavement crushing and dust settling device, the two spray heads are driven to do fan-shaped reciprocating motion through the adjusting mechanism, so that the dust settling range of the spray heads is greatly increased, and the dust settling effect is improved.

Above-mentioned device is in the time of using, and the shower nozzle sprays water smoke to the outside of device, and then realizes corresponding dust fall effect, but is used for carrying out broken equipment in the bottom of backup pad to the road surface, and then leads to the shower nozzle unable to spray the water smoke to broken region, thereby still can produce a large amount of dust, and then only can handle through the dust catcher that the backup pad bottom set up, the loss direction of dust is more miscellaneous, and then leads to the dust catcher unable to handle totally, and then still can lead to some dust loss in the air, and then pollute operational environment.

Disclosure of Invention

According to the old cement pavement crushing device with the dust fall function and the use method thereof, the water spraying disc is arranged at the bottom end of the vehicle body and is close to the crushing assembly, so that water mist can be sprayed to a working area, and the required dust fall effect is achieved.

The invention provides an old cement pavement crushing device with a dust fall function, which solves the problems in the prior art, and comprises a vehicle body, a dust fall component and a crushing component, wherein the crushing component is positioned at the tail end of the vehicle body; the dust falling component comprises a water tank, a water spraying disc, a three-way pipeline, a piston block and a reciprocating component; the water tank is positioned on the vehicle body and is connected with the three-way pipeline; the water spraying disc penetrates from the top end of the vehicle body to the bottom end of the vehicle body; the three-way pipeline is positioned at the top end of the vehicle body and is connected with the water spraying disc; the piston block is positioned in the three-way pipeline, and the outer peripheral wall of the piston block is in clearance fit with the inner peripheral wall of the three-way pipeline; the reciprocating assembly is connected with the piston block and used for driving the piston block to reciprocate in the three-way pipeline, so that the inner cavity space of the three-way pipeline is compressed.

Preferably, the reciprocating assembly comprises a crank, an eccentric and a first rotating mechanism; one end of the crank is connected with the top end of the piston block, and the other end of the crank is connected with the eccentric wheel; the eccentric wheel is sleeved on the first rotating mechanism; the first rotating mechanism is used for driving the eccentric wheel to rotate.

Preferably, a plurality of spiral blades are distributed on the circumference of the inner peripheral wall of the water spraying disc at intervals.

Preferably, the crushing assembly comprises a supporting frame, a crushing hammer, a pulling-up assembly and an abutting assembly; the support frame is positioned at the tail end of the vehicle body; the breaking hammer is positioned in the supporting frame and is in sliding connection with the inner wall of the supporting frame; the pulling and lifting assembly is positioned at the top end of the supporting frame and connected with the breaking hammer, and is used for driving the breaking hammer to vertically move in the supporting frame; the abutting component is positioned at the top end of the inner cavity of the supporting frame, and when the breaking hammer vertically ascends to be mutually abutted with the abutting component, the abutting component is used for driving the lifting component to release the breaking hammer, so that the breaking hammer can complete breaking work.

Preferably, the pulling-up assembly comprises a wind-up roller, a steel cable, a second rotating mechanism and a transmission assembly; the wind-up roll is positioned at the top end of the supporting frame and sleeved on the transmission component; one end of the steel cable is sleeved on the wind-up roller, and the other end of the steel cable is connected with the top end of the breaking hammer; the second rotating mechanism is connected with the transmission assembly and used for driving the transmission assembly to rotate.

Preferably, the transmission assembly comprises a first rotating shaft, a gear ring, a latch, a push plate, a first connecting rod and a rotating ring; the winding roller is sleeved on the first rotating shaft; the first rotating shaft is connected with the second rotating mechanism; the gear ring and the rotating ring are respectively provided with two gears and are respectively positioned at two ends of the wind-up roll; the teeth are provided with a plurality of teeth and are circumferentially distributed in the gear ring, and the teeth are in sliding connection with the end face of the rotating ring; the push plate is provided with two push plates which are respectively positioned at two ends of the wind-up roll, and the push plate is sleeved on the first rotating shaft and connected with the abutting component; the first connecting rod is connected with the push plate and the latch respectively.

Preferably, a chute is arranged on the peripheral wall of the first rotating shaft; and the inner peripheral wall of the push plate is provided with a sliding rail matched with the sliding groove.

Preferably, the abutting component comprises a first telescopic rod, a second telescopic rod, a sliding seat and a second connecting rod; the first telescopic rod is positioned at the top end of the supporting frame, and the bottom end of the first telescopic rod penetrates from the top end of the supporting frame to the bottom end of the inner cavity of the supporting frame and is inserted into the second telescopic rod; the second telescopic rod is positioned in the supporting frame, and the inner peripheral wall of the second telescopic rod is in clearance fit with the outer peripheral wall of the first telescopic rod; the two sliding seats are respectively positioned at two ends of the wind-up roll, the sliding seats are rotationally connected with the push plate, and the bottom ends of the sliding seats are in sliding connection with the supporting frame; and two ends of the second connecting rod are respectively connected with the sliding seat and the second telescopic rod.

Preferably, an elastic component is arranged inside the second telescopic rod and used for driving the second telescopic rod to be far away from the first telescopic rod.

The application also relates to a using method of the crushing device, which comprises the following steps:

S1, arranging and installing a water tank and the like on a vehicle body, and supplementing enough water in the water tank;

s2, controlling the vehicle body to move, and striking the road surface through the crushing assembly;

s3, conveying water into the water spraying disc through the water pump and spraying the water through the water spraying disc.

Compared with the prior art, the invention has the beneficial effects that:

1. According to the invention, the water spraying disc is arranged on the vehicle body, so that water can be sprayed on a working area, the dust fall effect is achieved, the piston block is arranged in the three-way pipeline connected with the water spraying disc, and under the driving of the reciprocating assembly, the piston block can periodically compress the space in the three-way pipeline, so that the spraying range of the water spraying disc can be periodically changed.

2. According to the invention, the piston block reciprocates in the three-way pipeline, so that the spraying range of the water spraying disc can be adjusted, and the periodic power change of the water pump is not needed, thereby delaying the service life of the water pump.

3. According to the invention, the clamping teeth can be driven to be far away from or close to the gear ring by driving the push plate to move, so that whether the wind-up roller and the first rotating shaft synchronously rotate or not is driven, and the breaking hammer is pulled up and released, so that the breaking work of the road surface is completed.

4. According to the invention, the sliding seat is connected with the second telescopic rod through the second connecting rod, so that after the breaking hammer is lifted to a certain degree, the breaking hammer can push the second telescopic rod to vertically move upwards, and further the push plate is gradually far away from the winding roller, so that the winding roller does not rotate along with the first rotating shaft, the breaking hammer can be released, and the breaking hammer can be crashed to the ground.

Drawings

Fig. 1 is a perspective view of an old cement pavement breaker with dust settling function.

Fig. 2 is a schematic perspective view of a crushing device for old cement pavement with dust-settling function.

Fig. 3 is a structural cross-sectional view of a dust settling assembly in an old cement pavement breaker with dust settling function.

Fig. 4 is a perspective view of a crushing assembly in an old cement pavement crushing apparatus with dust settling function.

Fig. 5 is a schematic partial structure of a crushing assembly in an old cement pavement crushing apparatus with dust-settling function.

Fig. 6 is a structural cross-sectional view of a pulling assembly in an old cement pavement breaker with dust settling.

Fig. 7 is a partial cross-sectional view of a drive assembly in an old cement pavement breaker with dust reduction.

Fig. 8 is a partial perspective view of a transmission assembly in an old cement pavement breaker with dust settling.

Fig. 9 is a perspective view of an abutment assembly in an old cement pavement breaker with dust fall.

Fig. 10 is a structural cross-sectional view of an abutment assembly in an old cement pavement breaker with dust settling.

The reference numerals in the figures are: 1. a vehicle body; 2. a dust fall assembly; 21. a water tank; 22. a water spraying disc; 221. a helical blade; 23. a three-way pipeline; 24. a piston block; 25. a reciprocating assembly; 251. a crank; 252. an eccentric wheel; 253. a first rotation mechanism; 26. a water pump; 3. a crushing assembly; 31. a support frame; 32. a breaking hammer; 33. a pull-up assembly; 331. a wind-up roll; 332. a wire rope; 333. a second rotation mechanism; 334. a transmission assembly; 3341. a first rotation shaft; 3342. a gear ring; 3343. latch teeth; 3344. a push plate; 3345. a first link; 3346. a rotating ring; 34. an abutment assembly; 341. a first telescopic rod; 342. a second telescopic rod; 343. a sliding seat; 344. a second link; 345. and an elastic component.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1-3, the present invention provides: the old cement pavement crushing device with the dust fall function comprises a vehicle body 1, a dust fall component 2 and a crushing component 3, wherein the crushing component 3 is positioned at the tail end of the vehicle body 1; the dust settling component 2 comprises a water tank 21, a water spraying disc 22, a three-way pipeline 23, a piston block 24 and a reciprocating component 25; the water tank 21 is arranged on the vehicle body 1 and is connected with the three-way pipeline 23; the water spraying disc 22 penetrates from the top end of the vehicle body 1 to the bottom end of the vehicle body 1; the three-way pipeline 23 is positioned at the top end of the vehicle body 1 and is connected with the water spraying disc 22; the piston block 24 is positioned in the three-way pipeline 23, and the outer peripheral wall of the piston block 24 is in clearance fit with the inner peripheral wall of the three-way pipeline 23; the reciprocating assembly 25 is connected with the piston block 24 and is used for driving the piston block 24 to reciprocate in the three-way pipeline 23, so that the inner cavity space of the three-way pipeline 23 is compressed.

The crushing assembly 3 is arranged at the tail end of the vehicle body 1 and is elastically connected with the vehicle body 1, so that when the crushing assembly 3 crushes the ground, the impact force is prevented from being transmitted to the vehicle body 1 to cause damage to equipment on the vehicle body 1, the dust settling assembly 2 is arranged at the top end of the vehicle body 1, wherein the bottom end of the water spraying disc 22 penetrates from the top end of the vehicle body 1 to the bottom end of the vehicle body 1, the top end of the water spraying disc 22 is arranged at the top end of the vehicle body 1, a three-way pipeline 23 arranged at the top end of the vehicle body 1 is further communicated with the water spraying disc 22, the three-way pipeline 23 is provided with a first passage, a second passage and a third passage, wherein the first passage and the second passage are arranged on the same axis, the axial direction of the third passage is perpendicular to the first passage, the first passage is communicated with the water spraying disc 22, the third passage is communicated with the water tank 21 through a water pipe, a water pump 26 is further arranged between the third passage and the water tank 21, so that a water source can be continuously conveyed into the three-way pipeline 23, the piston block 24 is positioned in the second passage, the second passage is positioned above the third passage, when the reciprocating assembly 25 drives the piston block 24 to reciprocate, the piston block 24 can linearly move in the second passage, and further compress the space in the three-way pipeline 23, so that after water is conveyed into the three-way water pipe, the piston block 24 compresses the space in the three-way pipeline 23, further quickens the speed of water through the first passage for spraying water disc 22, and then the water is sprayed out from the water spraying disc 22, and meanwhile, when the water spraying disc 22 is arranged on the vehicle body 1, the water spraying disc 22 can be close to the crushing assembly 3 at the tail end of the vehicle body 1, therefore, when the water spraying disc 22 sprays water outwards, dust fall treatment can be carried out on the working area of the crushing assembly 3, a large amount of dust is further promoted when the crushing assembly 3 is used for crushing, meanwhile, the piston block 24 is driven by the reciprocating assembly 25 to compress the space in the three-way pipeline 23 periodically, so that the speed of water sprayed from the water spraying disc 22 can be changed, the spraying range of the water spraying disc 22 is changed, the water spraying disc 22 can be ensured to carry out the dust fall assembly 2 in a larger range, meanwhile, the piston block 24 is used for compressing the three-way pipeline 23, the periodic adjustment of the power of the water pump 26 is avoided, the shortening of the service life of the water pump 26 is further prevented, and when the space of the three-way pipeline 23 is compressed by the piston block 24, the water can be pushed back from the third pipeline, and then the one-way valve can be arranged in the third pipeline, so that when the piston block 24 carries out reciprocating motion, the water in the three-way pipeline 23 only enters the water spraying disc 22 through the first pipeline.

Referring to fig. 3, it is shown that: the reciprocating assembly 25 includes a crank 251, an eccentric 252, and a first rotary mechanism 253; one end of the crank 251 is connected with the top end of the piston block 24, and the other end of the crank 251 is connected with the eccentric wheel 252; the eccentric wheel 252 is sleeved on the first rotating mechanism 253; the first rotating mechanism 253 is used for driving the eccentric wheel 252 to rotate.

The first rotating mechanism 253 can adopt a rotating motor such as a servo motor or a stepping motor, and the like, and meanwhile, the vehicle body 1 is also provided with a bracket for supporting the first rotating mechanism 253, so that the first rotating mechanism 253 can stably drive the eccentric wheel 252 to rotate, and further drive the piston block 24 to reciprocate in the three-way pipeline 23 through the crank 251, so that the space inside the three-way pipeline 23 is compressed, and the spraying range of the water spraying disc 22 is adjusted, so that the water spraying disc 22 can carry out the dust fall assembly 2 on a larger working area, and further, a large amount of dust is excited to pollute the working area when the crushing assembly 3 works.

Referring to fig. 3, it is shown that: the inner peripheral wall circumference of the water spray disc 22 is provided with a plurality of spiral blades 221 at intervals.

The water spraying disc 22 is communicated with the first passage in the three-way pipeline 23, so that water entering the three-way pipeline 23 can enter the water spraying disc 22 through the first passage, then the water entering the water spraying disc 22 can be in contact with the spiral blades 221 on the inner peripheral wall of the water spraying disc 22, then the water spraying disc 22 can rotate under the impact of the water on the spiral blades 221, and therefore when the water is sprayed from the water spraying disc 22, the water spraying disc 22 can spray the water to a larger range under the rotation of the water spraying disc 22, meanwhile, the piston block 24 reciprocates in the three-way pipeline 23, the impact force of the water flow on the spiral blades 221 can be improved, the rotation speed of the water spraying disc 22 and the spraying speed of the water from the water spraying disc 22 can be improved, and the dust falling assembly 2 can ensure that a large amount of dust cannot be excited in a working area, and therefore the working environment is maintained.

Referring to fig. 2 and 4, it is shown that: the crushing assembly 3 comprises a supporting frame 31, a crushing hammer 32, a pulling-up assembly 33 and an abutting assembly 34; the supporting frame 31 is positioned at the tail end of the vehicle body 1; the breaking hammer 32 is positioned inside the supporting frame 31 and is in sliding connection with the inner wall of the supporting frame 31; the lifting assembly 33 is positioned at the top end of the supporting frame 31 and is connected with the breaking hammer 32, and the lifting assembly 33 is used for driving the breaking hammer 32 to vertically move inside the supporting frame 31; the abutting component 34 is located at the top end of the inner cavity of the supporting frame 31, and when the breaking hammer 32 vertically rises to abut against the abutting component 34, the abutting component 34 is used for driving the pulling component 33 to release the breaking hammer 32, so that the breaking hammer 32 can complete breaking work.

The supporting frame 31 is connected with the tail end of the vehicle body 1, so that when the vehicle body 1 moves, the supporting frame 31 can move along with the supporting frame 31, meanwhile, the breaking hammer 32 is connected with the supporting frame 31 in a sliding manner, the lifting component 33 is connected with the breaking hammer 32, after the vehicle body 1 drives the supporting frame 31 to move to a preset position, the lifting component starts to drive the breaking hammer 32 to move vertically upwards, the breaking hammer 32 is far away from the ground until the top end of the breaking hammer 32 is mutually abutted with the abutting component 34 at the top end of the inner cavity of the supporting frame 31, then the abutting component 34 can stop the lifting operation of the breaking hammer 32 by the lifting component 33, the breaking hammer 32 is released by the lifting component 33, then the breaking hammer 32 is quickly hit to the ground under the action of self weight, the breaking operation of a cement road surface is completed, then the lifting component can continuously pull the disc breaking hammer 32 upwards, and the vehicle body 1 starts to drive the supporting frame 31 to move downwards to a next working point, and the breaking operation of the cement road surface is completed successively.

Referring to fig. 4 and 5, it is shown that: the pulling-up component 33 comprises a wind-up roller 331, a steel cable 332, a second rotating mechanism 333 and a transmission component 334; the wind-up roller 331 is positioned at the top end of the supporting frame 31 and sleeved on the transmission component 334; one end of the steel cable 332 is sleeved on the winding roller 331, and the other end of the steel cable 332 is connected with the top end of the breaking hammer 32; the second rotation mechanism 333 is connected to the transmission assembly 334 and is used for driving the transmission assembly 334 to rotate.

The second rotating mechanism 333 may adopt a rotating motor such as a servo motor or a stepping motor, and the transmission assembly 334 is connected with the second rotating mechanism 333, so that the second rotating mechanism 333 can drive the transmission assembly 334 to rotate, meanwhile, the winding roller 331 is sleeved on the transmission assembly 334, and when the transmission assembly 334 rotates, the winding roller 331 can synchronously rotate, and further, the winding process is performed on the steel cable 332, so that the breaking hammer 32 is pulled to move vertically upwards until the top end of the breaking hammer 32 is abutted against the abutting assembly 34, at this time, the winding roller 331 starts to rotate no longer following the second rotating mechanism 333, and starts to release the steel cable 332, so that the breaking hammer 32 can quickly smash the ground, and further the breaking work of the cement pavement is completed.

Referring to fig. 6-8: the transmission assembly 334 includes a first rotating shaft 3341, a gear ring 3342, a latch 3343, a push plate 3344, a first link 3345 and a rotating ring 3346; the wind-up roller 331 is sleeved on the first rotating shaft 3341; the first rotating shaft 3341 is connected with the second rotating mechanism 333; the gear ring 3342 and the rotating ring 3346 are respectively provided with two ends which are respectively positioned at the two ends of the winding roller 331; the latch 3343 is provided with a plurality of latches and is circumferentially distributed in the gear ring 3342, and the latches 3343 are slidably connected with the end surface of the rotating ring 3346; the push plate 3344 is provided with two push plates and is respectively arranged at two ends of the winding roller 331, and the push plate 3344 is sleeved on the first rotating shaft 3341 and is connected with the abutting component 34; the first link 3345 is connected to the push plate 3344 and the latch 3343, respectively.

The push plate 3344 is sleeved on the first rotating shaft 3341 and is connected with the first rotating shaft 3341, the first rotating shaft 3341 is connected with the second rotating mechanism 333, so that when the first rotating shaft 3341 rotates, the push plate 3344 can rotate along with the first rotating shaft 3341, the winding roller 331 is only sleeved on the first rotating shaft 3341, when the first rotating shaft 3341 rotates, the winding roller 331 can not rotate, meanwhile, both ends of the winding roller 331 are provided with a gear ring 3342 and a rotating ring 3346, a plurality of clamping teeth 3343 are circumferentially distributed on the inner peripheral wall of the gear ring 3342, the clamping teeth 3343 are in sliding connection with the end face of the rotating ring 3346, the clamping teeth 3343 can be far away from or close to the inner peripheral wall of the gear ring 3342, the push plate 3344 and the clamping teeth 3343 are connected through the first connecting rod 3345, so that when the push plate 3344 is close to the winding roller 331, the clamping teeth 3343 can gradually close to the inner peripheral wall of the winding roller 3345 under the pushing of the first connecting rod 3345, the clamping teeth 3342 can be driven by the first connecting rod 3345 to move towards the inner peripheral wall of the winding roller 3342, and the inner peripheral wall of the winding roller 3342 can be driven to rotate synchronously, and the clamping teeth 3343 can move along with the first rotating shaft 3342, so that the inner peripheral wall 3342 is driven by the rotating shaft 3342 to rotate synchronously; the abutting component 34 is connected with the two pushing plates 3344, and the abutting component 34 can drive the two pushing plates 3344 to be away from or close to each other, so that when the top end of the breaking hammer 32 and the abutting component 34 abut against each other, the abutting component 34 starts to drive the two pushing plates 3344 to be away from the winding roller 331, so that the latch 3343 starts to be away from the gear ring 3342, and further the winding roller 331 cannot continue to rotate along with the first rotating shaft 3341, at this moment, the breaking hammer 32 starts to vertically move downwards and impact the ground under the action of the self weight, so that the corresponding cement pavement breaking work is completed, and then, as the breaking hammer 32 is away from the abutting component 34, the pushing plate 3344 can be re-close to the winding roller 331, and then the latch 3343 is driven to be close to the gear ring 3342, so that the breaking hammer 32 can be continuously pulled to vertically move.

Referring to fig. 7, it is shown that: a chute is arranged on the outer peripheral wall of the first rotating shaft 3341; the inner peripheral wall of the push plate 3344 is provided with a sliding rail matched with the sliding groove.

The push plate 3344 is slidably connected with the first rotating shaft 3341 through a sliding groove and a sliding rail, so that the push plate 3344 can linearly displace on the first rotating shaft 3341, and meanwhile, the push plate 3344 can synchronously rotate along with the first rotating shaft 3341.

Referring to fig. 9, it is shown that: the abutment assembly 34 comprises a first telescopic rod 341, a second telescopic rod 342, a sliding seat 343 and a second connecting rod 344; the first telescopic rod 341 is positioned at the top end of the supporting frame 31, and the bottom end of the first telescopic rod 341 penetrates from the top end of the supporting frame 31 to the bottom end of the inner cavity of the supporting frame 31 and is inserted into the second telescopic rod 342; the second telescopic rod 342 is positioned inside the supporting frame 31, and the inner peripheral wall of the second telescopic rod 342 is in clearance fit with the outer peripheral wall of the first telescopic rod 341; the sliding seat 343 has two ends respectively positioned at the two ends of the winding roller 331, the sliding seat 343 is rotationally connected with the push plate 3344, and the bottom end of the sliding seat 343 is slidably connected with the supporting frame 31; both ends of the second link 344 are connected to the sliding seat 343 and the second telescopic rod 342, respectively.

The first telescopic rod 341 penetrates the inside of the supporting frame 31 from the top end of the supporting frame 31, and the first telescopic rod 341 is fixed with the supporting frame 31, so that the second telescopic rod 342 can be stably supported, the inner peripheral wall of the second telescopic rod 342 is in clearance fit with the outer peripheral wall of the first telescopic rod 341, so that when the breaking hammer 32 is in mutual abutting connection with the second telescopic rod 342, the second telescopic rod 342 can stably move vertically upwards, when the second telescopic rod 342 moves vertically upwards under the pushing of the breaking hammer 32, the second connecting rod 344 can push the sliding seat 343 to move, and then the pushing plate 3344 is driven to synchronously move, so that the breaking hammer 32 does not move upwards any more, but is quickly crashed to the ground under the action of self weight, and then the breaking work of a horizontal road surface is completed.

Referring to fig. 10, it is shown that: the second telescopic rod 342 is internally provided with an elastic component 345, and the elastic component 345 is used for driving the second telescopic rod 342 to be far away from the first telescopic rod 341.

The elastic component 345 may adopt an elastic element such as a compression spring or a gas spring, so that after the breaking hammer 32 breaks towards the ground, under the action of the elastic component 345, the second telescopic rod 342 can be rapidly far away from the first telescopic rod 341, and further the push plate 3344 is driven to start to approach the winding roller 331, so that the winding roller 331 can continue to rotate along the first rotating shaft 3341, and the breaking hammer 32 is pulled to move vertically upwards again.

Referring to fig. 1-10: a method of using a crushing device, comprising the steps of:

s1, arranging and mounting a water tank 21 and the like on the vehicle body 1, and supplementing enough water in the water tank 21;

s2, controlling the vehicle body 1 to move, and striking the road surface through the crushing assembly 3;

S3, water is conveyed into the water spraying disc 22 through the water pump 26 and sprayed out through the water spraying disc 22.

When the cement pavement needs to be crushed, the vehicle body 1 is driven to move firstly, and when the vehicle body 1 moves, the crushing assembly 3 starts to strike the ground so as to finish the crushing work of the cement pavement, and meanwhile, when the crushing assembly 3 strikes the ground, a large amount of dust is easy to be excited, so that the water in the water tank 21 needs to be conveyed into the water spraying disc 22 by starting the water pump 26, and then is sprayed out through the water spraying disc 22, so that the required dust falling work is finished, and the excited large amount of dust is prevented from polluting the working environment.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (3)

1. The old cement pavement crushing device with the dust fall function comprises a vehicle body (1), a dust fall component (2) and a crushing component (3), wherein the crushing component (3) is positioned at the tail end of the vehicle body (1);

The dust settling device is characterized in that the dust settling component (2) comprises a water tank (21), a water spraying disc (22), a three-way pipeline (23), a piston block (24) and a reciprocating component (25);

the water tank (21) is positioned on the vehicle body (1) and is connected with the three-way pipeline (23);

The water spraying disc (22) penetrates from the top end of the vehicle body (1) to the bottom end of the vehicle body (1);

the three-way pipeline (23) is positioned at the top end of the vehicle body (1) and is connected with the water spraying disc (22);

The piston block (24) is positioned in the three-way pipeline (23), and the outer peripheral wall of the piston block (24) is in clearance fit with the inner peripheral wall of the three-way pipeline (23);

The reciprocating assembly (25) is connected with the piston block (24) and is used for driving the piston block (24) to reciprocate in the three-way pipeline (23) so as to compress the inner cavity space of the three-way pipeline (23);

the reciprocating assembly (25) comprises a crank (251), an eccentric wheel (252) and a first rotating mechanism (253);

one end of the crank (251) is connected with the top end of the piston block (24), and the other end of the crank (251) is connected with the eccentric wheel (252);

the eccentric wheel (252) is sleeved on the first rotating mechanism (253);

The first rotating mechanism (253) is used for driving the eccentric wheel (252) to rotate;

the crushing assembly (3) comprises a supporting frame (31), a crushing hammer (32), a pulling-up assembly (33) and an abutting assembly (34);

the supporting frame (31) is positioned at the tail end of the vehicle body (1);

The breaking hammer (32) is positioned inside the supporting frame (31) and is in sliding connection with the inner wall of the supporting frame (31);

The lifting assembly (33) is positioned at the top end of the supporting frame (31) and is connected with the breaking hammer (32), and the lifting assembly (33) is used for driving the breaking hammer (32) to vertically move inside the supporting frame (31);

the abutting component (34) is positioned at the top end of the inner cavity of the supporting frame (31), and when the breaking hammer (32) vertically ascends to be mutually abutted with the abutting component (34), the abutting component (34) is used for driving the pulling component (33) to release the breaking hammer (32), so that the breaking hammer (32) can complete breaking work;

The pulling-up assembly (33) comprises a winding roller (331), a steel cable (332), a second rotating mechanism (333) and a transmission assembly (334);

The winding roller (331) is arranged at the top end of the supporting frame (31) and sleeved on the transmission component (334);

One end of the steel cable (332) is sleeved on the winding roller (331), and the other end of the steel cable (332) is connected with the top end of the breaking hammer (32);

the second rotating mechanism (333) is connected with the transmission assembly (334) and is used for driving the transmission assembly (334) to rotate;

The transmission assembly (334) comprises a first rotating shaft (3341), a gear ring (3342), a latch (3343), a push plate (3344), a first connecting rod (3345) and a rotating ring (3346);

the winding roller (331) is sleeved on the first rotating shaft (3341);

the first rotating shaft (3341) is connected with a second rotating mechanism (333);

the gear ring (3342) and the rotating ring (3346) are respectively provided with two ends which are respectively positioned at the two ends of the winding roller (331);

The clamping teeth (3343) are provided with a plurality of circumferentially distributed inside the gear ring (3342), and the clamping teeth (3343) are in sliding connection with the end face of the rotating ring (3346);

The push plate (3344) is provided with two ends which are respectively positioned at the two ends of the winding roller (331), and the push plate (3344) is sleeved on the first rotating shaft (3341) and is connected with the abutting component (34);

the first connecting rod (3345) is respectively connected with the push plate (3344) and the latch (3343);

a chute is arranged on the peripheral wall of the first rotating shaft (3341);

A sliding rail matched with the sliding groove is arranged on the inner peripheral wall of the push plate (3344);

The abutting assembly (34) comprises a first telescopic rod (341), a second telescopic rod (342), a sliding seat (343) and a second connecting rod (344);

The first telescopic rod (341) is positioned at the top end of the supporting frame (31), and the bottom end of the first telescopic rod (341) penetrates from the top end of the supporting frame (31) to the bottom end of the inner cavity of the supporting frame (31) and is inserted into the second telescopic rod (342);

the second telescopic rod (342) is positioned in the supporting frame (31), and the inner peripheral wall of the second telescopic rod (342) is in clearance fit with the outer peripheral wall of the first telescopic rod (341);

the sliding seats (343) are arranged at two ends of the winding roller (331) respectively, the sliding seats (343) are rotationally connected with the push plate (3344), and the bottom ends of the sliding seats (343) are in sliding connection with the supporting frame (31);

Two ends of the second connecting rod (344) are respectively connected with the sliding seat (343) and the second telescopic rod (342);

An elastic component (345) is arranged inside the second telescopic rod (342), and the elastic component (345) is used for driving the second telescopic rod (342) to be far away from the first telescopic rod (341).

2. The old cement pavement breaker with dust fall function according to claim 1, wherein a plurality of spiral blades (221) are circumferentially distributed on the inner peripheral wall of the water spraying disc (22) at intervals.

3. A method of using a crushing device according to claim 1 or 2, characterized in that it comprises the steps of:

s1, arranging and mounting a water tank (21) and the like on a vehicle body (1), and supplementing enough water in the water tank (21);

s2, controlling the vehicle body (1) to move, and striking the road surface through the crushing assembly (3);

s3, conveying water into the water spraying disc (22) through the water pump (26) and spraying the water through the water spraying disc (22).