CN219280440U

CN219280440U - Road surface cutting device for reconstruction of old asphalt road surface

Info

Publication number: CN219280440U
Application number: CN202223163352.8U
Authority: CN
Inventors: 王正贵; 马艳霞; 谈万霞; 李峥; 陈永寿
Original assignee: Qinghai Road And Bridge Construction Machinery Engineering Co ltd
Current assignee: Qinghai Road And Bridge Construction Machinery Engineering Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-30
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a pavement cutting device for modifying an old asphalt pavement, which comprises a vehicle body, wherein an inner cavity of the vehicle body is provided with an adjusting and cutting mechanism capable of adjusting the cutting depth by vertical displacement, the adjusting and cutting mechanism comprises a supporting plate movably connected to the inner cavity of the vehicle body, the top end of the supporting plate is fixedly connected with a plurality of groups of lifting columns for driving the supporting plate to lift, the top of the lifting columns is fixedly connected with the top wall of the inner cavity of the vehicle body, the bottom end of the supporting plate is movably connected with a rotating column, and the surface of the rotating column is fixedly connected with a plurality of groups of cutting blades.

Description

Road surface cutting device for reconstruction of old asphalt road surface

Technical Field

The utility model relates to the technical field of pavement reconstruction, in particular to a pavement cutting device for old asphalt pavement reconstruction.

Background

Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, dampproof and anticorrosive organic cementing material. Asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a coking byproduct. Petroleum asphalt is the residue after crude oil distillation. Natural asphalt is stored underground, and some are formed into mineral deposits or accumulated on the surface of the crust. Asphalt is mainly used in industries such as paint, plastics, rubber and the like, and paved roads and the like.

Along with long-time use of bituminous paving, bituminous paving need demolish the cutting, traditional bituminous paving cutting device, and the depth of cut is unable to be adjusted, and some bituminous paving road surface thickness is different, and the depth of cut is adjusted according to bituminous paving's thickness that can't be fine, leads to cutting broken not thoroughly enough to bituminous paving.

To this end, we propose a pavement cutting device for the reconstruction of asphalt old pavement to solve the above problems.

Disclosure of Invention

The utility model aims to provide a pavement cutting device for modifying an old asphalt pavement, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an old road surface cutting device for transformation of pitch, includes the automobile body, the automobile body inner chamber is equipped with the regulation cutting mechanism that can carry out the upper and lower displacement and adjust the depth of cut, it includes the backup pad of swing joint at the automobile body inner chamber to adjust cutting mechanism, backup pad top fixedly connected with multiunit drives the lifting column that the backup pad goes up and down, lifting column top and automobile body inner chamber roof fixed connection, backup pad bottom swing joint has the pivoted post, pivoted post surface fixedly connected with multiunit cutting blade, backup pad top fixedly connected with motor, the automobile body inner chamber is equipped with the collection mechanism that the fragments after accomplishing the cutting, collection mechanism has including the collection shell of swing joint at the automobile body inner chamber, automobile body bottom fixedly connected with shovel flitch, automobile body bottom fixedly connected with multiunit all with the wheel of distribution, automobile body one side fixedly connected with handle cuts the operation through adjusting cutting mechanism, and adjusts cutting mechanism cutting height and can adjust cutting mechanism, has more road surface thickness condition to adjust cutting mechanism to suitable height, and the practicality is stronger.

Preferably, the adjusting and cutting mechanism further comprises a belt pulley fixedly connected to the output end of the motor and the surface of the rotating column, the surfaces of the two groups of belt pulleys are sleeved with belts, the surface of the supporting plate is provided with a through groove for the belts to pass through, and the belt pulley and the belts drive the rotating column to rotate.

Preferably, the adjusting and cutting mechanism further comprises two groups of bearing seats fixedly connected to the bottom of the supporting plate, connecting discs are fixedly connected to one sides of the two groups of bearing seats, two ends of the rotating column are movably connected with the two groups of connecting discs, and the rotating column is enabled not to be affected in rotation by the aid of the bearing seats and the connecting discs.

Preferably, the screw thread groove has all been seted up to connection pad and rotation post inside, connection pad and rotation post are inside all to have the lead screw through the screw thread groove spiro union, the equal spiro union in lead screw both ends is furnished with the nut, the equal fixedly connected with stabilizing piece of one side of nut towards the connection pad realizes changing and installing the rotation post through screw thread groove, lead screw and nut, can be according to by the size of cutting the piece to change suitable rotation post and cutting blade.

Preferably, the inner wall fixedly connected with spray pipe of automobile body inner chamber opposite side, spray pipe top fixedly connected with flexible water pipe, automobile body top fixedly connected with water tank, flexible water pipe other end runs through automobile body roof and water tank fixed connection, carries out water spray dust fall through water tank, flexible water pipe and spray pipe to the cutting part, and dry operation changes wet operation into the production of reduction dust.

Preferably, the collecting mechanism further comprises a connecting groove formed in the bottom end of the inner cavity of the vehicle body, the bottom end of the collecting shell is fixedly connected with a connecting strip, the connecting strip is matched with the connecting groove, and the collecting shell is convenient to install and detach through the connecting groove and the connecting strip.

Preferably, the collection mechanism is including seting up the mouth of taking on automobile body one side lateral wall surface, the mouth of taking size and collection shell looks adaptation, the draw-in groove has been seted up to the mouth diapire of taking, the activity card is swift to have the cardboard in the draw-in groove, takes the mouth and is convenient for collect taking out and the installation of shell, and draw-in groove and cardboard avoid collecting the shell and follow the automobile body landing when collecting the fragment.

Compared with the prior art, the utility model has the beneficial effects that:

the lifting column is adjusted, the lifting column drives the supporting plate to move up and down, the supporting plate drives the rotating column and the cutting blades to move up and down when moving up and down, after adjusting the cutting blades to a proper cutting height, the motor is started, the motor drives the rotating column to rotate through two groups of belt pulleys and belts sleeved on the surfaces, the plurality of groups of cutting blades on the surfaces are driven to rotate when the rotating column rotates, cutting operation is achieved, the rotating column is not affected by rotation of the rotating column through the bearing seat, the rotating column is assembled with the connecting disc in a threaded mode through the thread grooves, the screw rods and the nuts, proper rotating column and cutting blade groups can be replaced according to the requirements on the size of fragments of asphalt pavement, applicability is wider, installation is convenient and fast, the problems that the asphalt pavement needs to be dismounted for a long time, a traditional asphalt pavement cutting device cannot adjust cutting depth, and the thickness of part of the asphalt pavement is different, and the cutting depth cannot be adjusted well according to the thickness of the asphalt pavement, so that the asphalt pavement is not thoroughly cut and broken are solved.

Drawings

FIG. 1 is a schematic view of the present utility model in elevation and cross section;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the rotating post, bearing housing and connecting disc of the present utility model;

fig. 4 is a schematic view of a right-side cross-sectional structure of the present utility model.

In the figure: 1. a vehicle body; 2. adjusting the cutting mechanism; 201. a support plate; 202. lifting columns; 203. rotating the column; 204. a cutting blade; 205. a motor; 206. a belt pulley; 207. a belt; 208. a pass through slot; 209. a bearing seat; 210. a connecting disc; 211. a thread groove; 212. a screw rod; 213. a nut; 214. a stabilizing piece; 3. a collection mechanism; 301. collecting the shell; 302. a shovel plate; 303. a connecting groove; 304. a connecting strip; 305. a taking port; 306. a clamping groove; 307. a clamping plate; 4. a water tank; 5. a wheel; 6. a handle; 7. a water spray pipe; 8. and a telescopic water pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a old road surface cutting device for transformation of pitch, including automobile body 1, when carrying out cutting operation to the pitch road surface, according to the thickness of pitch road surface, adjust lift post 202, lift post 202 drives backup pad 201 and reciprocates, backup pad 201 also drives rotation post 203 and cutting blade 204 and reciprocates when reciprocating, after adjusting cutting blade 204 to suitable cutting height, start motor 205, motor 205 drives rotation post 203 through the belt 207 that two sets of pulleys 206 and surface cup joint, also drive the multiunit cutting blade 204 on surface and rotate when rotating post 203, realize cutting operation, automobile body 1 is also shifting when carrying out cutting operation, shovel flitch 302 is piling up and is collected to collecting on the shell 301 with the piece of bottom cutting, also need not the workman and clear up in the ground after cutting completion when carrying out cutting operation, construction work efficiency has been improved.

Specifically, referring to fig. 1 to 4, the cutting mechanism 2 includes a support plate 201, a lifting column 202 is adjusted according to the thickness of asphalt on a road surface, the lifting column 202 drives the support plate 201 to move up and down, the support plate 201 also drives a rotating column 203 and a cutting blade 204 to move up and down while moving up and down, after adjusting the cutting blade 204 to a proper cutting height, a motor 205 is started, the motor 205 drives the rotating column 203 to rotate through two groups of pulleys 206 and a belt 207 sleeved on the surface, and when the rotating column 203 rotates, a plurality of groups of cutting blades 204 on the surface are also driven to rotate, so that cutting operation is realized;

specifically, referring to fig. 3, the adjusting and cutting mechanism 2 includes a bearing pedestal 209, the bearing pedestal 209 is utilized to make the rotation of the rotation column 203 not affected, the rotation column 203 is assembled with the connection disc 210 in a threaded manner through a thread groove 211, a screw rod 212 and a nut 213, a proper set of the rotation column 203 and the cutting blade 204 can be replaced according to the size requirement of the asphalt pavement fragments, the applicability is wider, the installation is convenient and quick, the stabilizing sheet 214 is made of rubber, and can be attached to the connection disc 210 more tightly and fixed more firmly;

specifically, referring to fig. 1-4, the collecting mechanism 3 includes a collecting shell 301, a scraper 302 is configured to scrape the bottom-cut fragments off the collecting shell 301 for stacking and collecting, the collecting shell 301 is convenient to mount and dismount by a connecting slot 303 and a connecting strip 304, a holding opening 305 is convenient to take out and mount the collecting shell 301, and a clamping slot 306 and a clamping plate 307 prevent the collecting shell 301 from sliding off from the vehicle body 1 when collecting fragments.

Specifically, referring to fig. 1, the water spraying device comprises a water spraying pipe 7, wherein the water spraying pipe 7 sprays water in the water tank 4 to the cutting position of the road surface through a telescopic water pipe 8, water spraying and dust settling are carried out, and dry operation is converted into wet operation, so that dust generation is reduced.

Working principle: when cutting asphalt pavement, the lifting column 202 is adjusted according to the thickness of asphalt pavement, the lifting column 202 drives the supporting plate 201 to move up and down, the supporting plate 201 also drives the rotating column 203 and the cutting blade 204 to move up and down while moving up and down, after adjusting the cutting blade 204 to a proper cutting height, the motor 205 is started, the motor 205 drives the rotating column 203 to rotate through two groups of pulleys 206 and a belt 207 sleeved on the surface, the rotating column 203 also drives a plurality of groups of cutting blades 204 on the surface to rotate when rotating, cutting operation is realized, the rotating column 203 is not influenced by rotation of the bearing pedestal 209, the rotating column 203 is assembled with the connecting disc 210 in a screwed manner through the thread groove 211, the screw rod 212 and the nut 213, proper groups of the rotating column 203 and the cutting blade 204 can be replaced according to the requirement on the size of fragments of asphalt pavement, the applicability is wider, the installation is convenient and quick, the stabilizing sheet 214 is made of rubber, can be attached to the connecting disc 210 more tightly, is fixed more firmly, the water spray pipe 7 sprays water in the water tank 4 to the pavement cutting position through the telescopic water pipe 8, sprays water to reduce dust, is converted into wet operation from dry operation, reduces dust generation, the vehicle body 1 is also displaced when cutting operation is carried out, the shovel plate 302 shovels fragments of bottom cutting onto the collecting shell 301 to be piled up and collected, the fragments of cutting are also collected when cutting operation is carried out, workers do not need to clean the ground after cutting is completed, the construction work efficiency is improved, the problems that the conventional asphalt pavement cutting device can not adjust the cutting depth, the thickness of part of asphalt pavement is different, the cutting depth can not be well adjusted according to the thickness of asphalt pavement along with long-time use of the asphalt pavement are solved, resulting in the problem of insufficient cutting and crushing of asphalt pavement.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an old road surface cutting device for transformation of pitch, includes automobile body (1), its characterized in that: the utility model provides a cutting mechanism (2) is adjusted to cutting depth to automobile body (1) inner chamber is equipped with displacement from top to bottom, adjust cutting mechanism (2) including swing joint backup pad (201) at automobile body (1) inner chamber, backup pad (201) top fixedly connected with multiunit drives backup pad (201) and goes up and down elevating column (202), elevating column (202) top and automobile body (1) inner chamber roof fixed connection, backup pad (201) bottom swing joint has rotation post (203), rotation post (203) fixedly connected with multiunit cutting blade (204), backup pad (201) top fixedly connected with motor (205), automobile body (1) inner chamber is equipped with collection mechanism (3) that collect to fragments after cutting is accomplished, collection mechanism (3) including movable connection collection shell (301) at automobile body (1) inner chamber, automobile body (1) bottom fixedly connected with shovel flitch (302), automobile body (1) bottom fixedly connected with multiunit all with handle (6) with that distributes.

2. The pavement cutting apparatus for asphalt pavement reconstruction according to claim 1, wherein: the adjusting and cutting mechanism (2) further comprises belt pulleys (206) fixedly connected to the output end of the motor (205) and the surface of the rotating column (203), the surfaces of the two groups of belt pulleys (206) are sleeved with belts (207), and the surfaces of the supporting plates (201) are provided with through grooves (208) for the belts (207) to pass through.

3. The pavement cutting apparatus for asphalt pavement reconstruction according to claim 1, wherein: the adjusting and cutting mechanism (2) further comprises two groups of bearing seats (209) fixedly connected to the bottom of the supporting plate (201), connecting discs (210) are fixedly connected to one sides of the two groups of bearing seats (209), and two ends of the rotating column (203) are movably connected with the two groups of connecting discs (210).

4. A pavement cutting apparatus for asphalt pavement reconstruction according to claim 3, wherein: the connecting disc (210) and the rotating column (203) are internally provided with threaded grooves (211), the connecting disc (210) and the rotating column (203) are internally provided with screw rods (212) through the threaded grooves (211), two ends of each screw rod (212) are respectively screwed with nuts (213), and one side, facing the connecting disc (210), of each nut (213) is fixedly connected with a stabilizing sheet (214).

5. The pavement cutting apparatus for asphalt pavement reconstruction according to claim 1, wherein: the novel water spraying device is characterized in that a water spraying pipe (7) is fixedly connected to the inner wall of the other side of the inner cavity of the vehicle body (1), a telescopic water pipe (8) is fixedly connected to the top of the water spraying pipe (7), a water tank (4) is fixedly connected to the top end of the vehicle body (1), and the other end of the telescopic water pipe (8) penetrates through the top wall of the vehicle body (1) and is fixedly connected with the water tank (4).

6. The pavement cutting apparatus for asphalt pavement reconstruction according to claim 1, wherein: the collecting mechanism (3) further comprises a connecting groove (303) formed in the bottom end of the inner cavity of the vehicle body (1), a connecting strip (304) is fixedly connected to the bottom end of the collecting shell (301), and the connecting strip (304) is matched with the connecting groove (303).

7. The pavement cutting apparatus for asphalt pavement reconstruction according to claim 1, wherein: the collecting mechanism (3) comprises a taking opening (305) formed in the surface of one side wall of the vehicle body (1), the size of the taking opening (305) is matched with that of the collecting shell (301), a clamping groove (306) is formed in the bottom wall of the taking opening (305), and a clamping plate (307) is movably clamped in the clamping groove (306).