CN215052203U - Road and bridge laying and sealing device - Google Patents

Road and bridge laying and sealing device Download PDF

Info

Publication number
CN215052203U
CN215052203U CN202121083068.2U CN202121083068U CN215052203U CN 215052203 U CN215052203 U CN 215052203U CN 202121083068 U CN202121083068 U CN 202121083068U CN 215052203 U CN215052203 U CN 215052203U
Authority
CN
China
Prior art keywords
road
mounting rack
groups
mounting frame
sealing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121083068.2U
Other languages
Chinese (zh)
Inventor
毕波
赵婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202121083068.2U priority Critical patent/CN215052203U/en
Application granted granted Critical
Publication of CN215052203U publication Critical patent/CN215052203U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a road and bridge lays seal device, include: a mounting frame; the mounting rack is of a rectangular frame structure; the bottom of the mounting frame is fixedly provided with a distributing groove through a bolt; the rear side of the mounting rack is fixedly provided with a rear mounting rack through welding, the rear mounting rack adopts a rectangular frame structure, and the top of the rear mounting rack is provided with a screw hole; the front side of the mounting rack is fixedly provided with a front mounting rack through welding; by arranging the front mounting frame and the synchronous belt, the tidiness of the pavement is ensured, the situation that impurities on the pavement are sealed in the device in the subsequent layer sealing process can be prevented, the quality of engineering is influenced, and meanwhile, the step of cleaning the pavement in advance independently can be avoided, so that the construction quality and the construction efficiency can be further improved; through being provided with branch silo and baffle to can guarantee the homogeneity of the ejection of compact, improve the quality of engineering, can be simultaneously according to the needs of construction and the speed of requiring the quick adjustment ejection of compact, have better practicality.

Description

Road and bridge laying and sealing device
Technical Field
The utility model belongs to the technical field of the road construction, more specifically say, in particular to road and bridge lays seal device.
Background
The maintenance quantity of automobiles is continuously increased along with the continuous increase of urban development and construction population, and the problem of road blockage caused by the increase of the automobiles is solved, so that the pavement and construction of road bridges need to be increased, and finally, a sealing device is needed for sealing to protect the road from being corroded by rainwater and moisture during pavement and construction of the road bridges; the sealing layer is a thin asphalt mixture layer which is paved for sealing surface gaps and preventing water from entering the surface layer, the surface layer paved with the sealing layer is called an upper sealing layer, and the lower sealing layer paved below the surface layer.
By searching for example, patent No. CN210066431U discloses a road and bridge laying sealing device, which comprises a vehicle body, wherein a liquid storage tank is arranged on the vehicle body, a driving motor is arranged at the top of the liquid storage tank, a stirring rod is arranged at the output end of the driving motor, the bottom end of the stirring rod extends into the liquid storage tank, a stirring blade is connected onto the stirring rod in the liquid storage tank, a liquid outlet is arranged at the bottom of the liquid storage tank, the liquid outlet is communicated with a liquid guide pipe, the liquid guide pipe penetrates through the vehicle body, the bottom of the liquid guide pipe is connected with a liquid discharge valve, the liquid discharge valve is arranged at the bottom of the vehicle body, a hot air fan is arranged at one side of the liquid storage tank, the hot air fan is connected with an air outlet through a pipeline, the air outlet is arranged at the bottom of the vehicle body, a through groove is arranged at one side of the hot air fan, which is far away from the liquid storage tank, a supporting table is arranged above the through groove, and the road and bridge laying sealing device improves the effect of road and bridge sealing, the service life of the road and bridge is effectively prolonged.
The road sealing device similar to the above application has the following disadvantages:
1. the existing road sealing device can not automatically clean the road in the layering process, and construction can be carried out only by specially cleaning the road in advance, so that the construction efficiency is influenced, and the construction quality is easily reduced due to impurities on the road;
2. current road seal coat device is not convenient for evenly share pitch, leads to every department of the in-process of the ejection of compact not enough even, is not convenient for carry out quick adjustment to the load according to the construction requirement of difference moreover, and the practicality is relatively poor.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a road and bridge layer laying and sealing device is provided to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a road and bridge laying sealing device, which solves the problems that the prior road sealing device proposed in the background art can not automatically clean the road in the layering process, and the construction can be carried out only by specially cleaning the road in advance, thereby not only affecting the construction efficiency, but also easily causing the reduction of the construction quality due to the impurities on the road; current road seal coat device is not convenient for evenly share pitch, leads to every department of the in-process of the ejection of compact not enough even, is not convenient for carry out quick adjustment, the relatively poor problem of practicality to the load according to the construction requirement of difference moreover.
The utility model relates to a road and bridge lays purpose and efficiency of seal device is reached by following specific technological means:
a road and bridge laying and sealing device comprises: a mounting frame; the mounting rack is of a rectangular frame structure; the bottom of the mounting frame is fixedly provided with a distributing groove through a bolt; the rear side of the mounting rack is fixedly provided with a rear mounting rack through welding, the rear mounting rack adopts a rectangular frame structure, and the top of the rear mounting rack is provided with a screw hole; the front side of the mounting rack is fixedly provided with a front mounting rack through welding.
Further, the mounting bracket still includes: the storage barrel is of a hollow cylindrical structure, and is fixedly arranged at the top of the mounting frame through a bolt; the discharge port is arranged at the bottom of the storage barrel, and a valve is arranged on one side of the discharge port.
Furthermore, the distributing groove is of a rectangular block structure with a hollow interior, and two sides of the inner wall of the distributing groove are provided with trapezoidal sliding grooves; the bottom of the distributing groove is provided with a baffle in a sliding manner; the distributing chute also comprises: the first motor is fixedly arranged on one side of the material distributing groove through a bolt; the material distributing auger is rotatably arranged on the inner side of the material distributing groove through hinged connection and is in transmission connection with the first motor, the outer side of the material distributing auger is provided with a helical blade, the rotating directions of the helical blades on the left side and the right side are opposite, and a middle convex circular ring is integrally sleeved on the outer side of the middle of the material distributing auger.
Furthermore, the baffles are of a wedge-shaped block structure, two groups of baffles are arranged, the two groups of baffles are respectively arranged on two sides of the bottom of the material distribution groove in a sliding mode, and a screw hole is formed in one side of each baffle; the baffle still including: and the bidirectional screw rods are rotatably arranged in the trapezoidal sliding grooves on one side of the material distributing groove and respectively penetrate through the screw holes of the two groups of baffles.
Further, the rear mounting bracket further comprises: the two groups of pinch rollers are rotatably arranged at the bottom of the rear mounting frame through hinged connection, and the bottom of each pinch roller is lower than the bottom of the baffle; the scraping plate is of an arc-shaped plate structure and is arranged at the bottom of the rear mounting frame in a sliding mode, and the bottom of the scraping plate is attached to the outer side of the top of the pressing wheel; the screw rod is rotatably arranged in the screw hole in the top of the rear mounting frame and is rotatably connected with the scraper.
Furthermore, the front mounting rack adopts an L-shaped plate structure; preceding mounting bracket is still including: the two groups of rollers are respectively and rotatably arranged on two sides of the bottom of the front mounting frame through hinged connection, and the bottom height of the rollers is consistent with that of the pinch roller; the two groups of gears are arranged, are rotatably arranged on the inner side of the front mounting rack through hinged connection and are meshed; the second motor is fixedly arranged at the bottom of the front mounting frame through bolts and is in transmission connection with the group of gears; the transmission wheels are of cylindrical structures and are provided with four groups, the four groups of transmission wheels are rotatably arranged on the front side of the front mounting frame through hinge connection, annular grooves are formed in the outer sides of the transmission wheels, and the middle two groups of transmission wheels are coaxially arranged with the two groups of gears respectively; the outside of the driving wheel is provided with a synchronous belt.
Furthermore, the synchronous belt is sleeved on the outer sides of the two groups of driving wheels on each side; the hold-in range is still including: the cleaning brush is fixedly arranged on the front side of the synchronous belt, and the bottom height of the cleaning brush is the same as the bottom height of the roller.
Compared with the prior art, the utility model discloses following beneficial effect has:
through being provided with preceding mounting bracket and hold-in range, it is rotatory to drive two sets of hold-in ranges through the second motor of preceding mounting bracket bottom, thereby clear up the road surface of this device front side through the clearance brush, and clear up debris to the both sides of this device, thereby guarantee the clean and tidy on road surface, can prevent the follow-up in-process that carries out the seal coat at this device, enclose the impurity on road surface in the lump, influence the quality of engineering, can avoid simultaneously needing to carry out the step of clearing up the road surface alone in advance, thereby the efficiency of improvement construction quality and construction that can step forward.
Through being provided with branch silo and baffle, can pour pitch into branch silo in the back, through the ring cooperation both sides of dividing the material auger in the middle of the outside spiral to opposite helical blade, evenly distribute the transport to the both sides of dividing the silo with pitch, through the gap size between the two sets of baffles of two-way screw rod control, thereby the speed and the discharge capacity of the control ejection of compact, thereby can guarantee the homogeneity of the ejection of compact, improve the quality of engineering, simultaneously can be according to the needs and the speed of the requirement quick adjustment ejection of compact of construction, better practicality has.
Drawings
Fig. 1 is a schematic axial view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic bottom view of the present invention.
Fig. 4 is the structural schematic diagram of the split structure of the distributing chute and the baffle of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a mounting frame; 101. a storage barrel; 102. a discharge port; 2. a material distributing groove; 201. a first motor; 202. a material distributing auger; 3. a baffle plate; 301. a bidirectional screw; 4. a rear mounting frame; 401. a pinch roller; 402. a squeegee; 403. a screw; 5. a front mounting frame; 501. a roller; 502. a gear; 503. a second motor; 504. a driving wheel; 6. a synchronous belt; 601. a cleaning brush.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a road and bridge lays seal device, include: a mounting frame 1; the mounting rack 1 adopts a rectangular frame structure; the bottom of the mounting frame 1 is fixedly provided with a distributing groove 2 through bolts; the rear side of the mounting rack 1 is fixedly provided with a rear mounting rack 4 through welding, the rear mounting rack 4 adopts a rectangular frame structure, and the top of the rear mounting rack 4 is provided with a screw hole; the front side of the mounting bracket 1 is fixedly provided with a front mounting bracket 5 through welding.
Wherein, mounting bracket 1 is still including: the storage barrel 101 is of a hollow cylindrical structure, and the storage barrel 101 is fixedly arranged at the top of the mounting frame 1 through bolts; a discharge port 102, the discharge port 102 being disposed at the bottom of the storage barrel 101, and a valve being disposed at one side of the discharge port 102.
The material distribution groove 2 is of a rectangular block structure with a hollow interior, and trapezoidal sliding grooves are formed in two sides of the inner wall of the material distribution groove 2; the bottom of the distributing chute 2 is provided with a baffle 3 in a sliding way; the distributing trough 2 also comprises: the first motor 201 is fixedly arranged on one side of the distributing groove 2 through bolts; the material distributing auger 202 is rotatably arranged on the inner side of the material distributing groove 2 through hinged connection, the material distributing auger 202 is in transmission connection with the first motor 201, spiral blades are arranged on the outer side of the material distributing auger 202, the rotating directions of the spiral blades on the left side and the right side are opposite, and a circular ring with a convex middle is integrally sleeved on the outer side of the middle of the material distributing auger 202; the pitch is evenly distributed and conveyed to the two sides of the distributing groove 2 by matching the circular ring at the outer side of the middle of the distributing auger 202 with the helical blades with opposite rotating directions at the two sides.
The baffle plates 3 are of a wedge-shaped block structure, two groups of baffle plates 3 are arranged, the two groups of baffle plates 3 are respectively arranged on two sides of the bottom of the material distributing groove 2 in a sliding mode, and one side of each baffle plate 3 is provided with a screw hole; the baffle 3 also comprises: the bidirectional screw 301 is rotationally arranged in the trapezoidal sliding groove at one side of the material distributing groove 2, and the bidirectional screw 301 respectively penetrates through the screw holes of the two groups of baffles 3; the two groups of baffles 3 are controlled by the bidirectional screw 301 to slide along the inner side of the distributing groove 2, so that the size of a gap between the two groups of baffles 3 is controlled, and the discharging speed and the discharging amount are controlled.
Wherein, rear mounting frame 4 is still including: the two groups of the pinch rollers 401 are rotatably arranged at the bottom of the rear mounting frame 4 through hinged connection, and the height of the bottom of the pinch rollers 401 is lower than that of the bottom of the baffle 3; the scraping plate 402 is of an arc-shaped plate structure, the scraping plate 402 is arranged at the bottom of the rear mounting frame 4 in a sliding mode, and the bottom of the scraping plate 402 is attached to the outer side of the top of the pressing wheel 401; the screw 403 is rotatably arranged in a screw hole at the top of the rear mounting rack 4, and the screw 403 is rotatably connected with the scraper 402; the height of the scraper 402 is adjusted through the screw 403, so that the scraper 402 is attached to the outer side of the pressing wheel 401, the outer side of the pressing wheel 401 is cleaned through the scraper 402, and the phenomenon of adhesion asphalt on the outer side of the pressing wheel 401 is prevented.
Wherein, the front mounting rack 5 adopts an L-shaped plate structure; preceding mounting bracket 5 is still including: the rollers 501 and the rollers 501 are arranged in two groups, the two groups of rollers 501 are rotatably arranged on two sides of the bottom of the front mounting frame 5 through hinged connection respectively, and the height of the bottom of each roller 501 is consistent with that of the bottom of the pinch roller 401; two groups of gears 502 are arranged on the gears 502, the two groups of gears 502 are rotatably arranged on the inner side of the front mounting rack 5 through hinged connection, and the two groups of gears 502 are meshed; the second motor 503 is fixedly arranged at the bottom of the front mounting frame 5 through bolts, and the second motor 503 is in transmission connection with the group of gears 502; the transmission wheels 504 are of cylindrical structures, four groups of transmission wheels 504 are arranged, the four groups of transmission wheels 504 are rotatably arranged on the front side of the front mounting rack 5 through hinged connection, an annular groove is formed in the outer side of each transmission wheel 504, and the middle two groups of transmission wheels 504 are coaxially arranged with the two groups of gears 502 respectively; a synchronous belt 6 is arranged outside the transmission wheel 504.
Wherein, the synchronous belt 6 is sleeved outside the two groups of driving wheels 504 at each side; the synchronous belt 6 further comprises: the cleaning brush 601 is fixedly arranged on the front side of the synchronous belt 6, and the height of the bottom of the cleaning brush 601 is the same as that of the bottom of the roller 501.
The specific use mode and function of the embodiment are as follows:
in the utility model, the second motor 503 at the bottom of the front mounting frame 5 drives one set of gear 502 to rotate and drives the other set of gear 502 to rotate reversely, thereby making the two sets of driving wheels 504 rotate reversely and driving the synchronous belt 6 to rotate, thereby cleaning the road surface at the front side of the device through the cleaning brush 601 and cleaning sundries to both sides of the device, thereby ensuring the cleanness of the road surface, adding materials such as asphalt into the storage barrel 101, discharging into the distributing groove 2 through the discharge port 102, opening the first motor 201 to drive the distributing auger 202 to rotate, matching the ring at the middle outer side of the distributing auger 202 with the helical blades with opposite rotating directions at both sides, distributing and conveying the asphalt evenly to both sides of the distributing groove 2, controlling the sliding of the two sets of baffles 3 along the inner side of the distributing groove 2 through the bidirectional screw 301, thereby controlling the size of the gap between the two sets of baffles 3, thereby controlling the discharging speed and the discharging amount, flow out the back with pitch from the silo 2 in, carry out the compaction through two sets of pinch rollers 401 of rear mounting bracket 4 bottom, through the height of screw 403 adjustment scraper blade 402, make scraper blade 402 paste mutually with pinch roller 401's outside to clear up pinch roller 401's the outside through scraper blade 402, prevent the phenomenon of adhesion pitch from appearing in pinch roller 401's the outside.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (8)

1. The utility model provides a road and bridge lays a seal device which characterized in that includes: a mounting frame; the mounting rack is of a rectangular frame structure; the bottom of the mounting frame is fixedly provided with a distributing groove through a bolt; the rear side of the mounting rack is fixedly provided with a rear mounting rack through welding, the rear mounting rack adopts a rectangular frame structure, and the top of the rear mounting rack is provided with a screw hole; the front side of the mounting rack is fixedly provided with a front mounting rack through welding.
2. A road and bridge laying and sealing device as claimed in claim 1, wherein: the mounting bracket is still including:
the storage barrel is of a hollow cylindrical structure, and is fixedly arranged at the top of the mounting frame through a bolt;
the discharge port is arranged at the bottom of the storage barrel, and a valve is arranged on one side of the discharge port.
3. A road and bridge laying and sealing device as claimed in claim 1, wherein: the distributing groove is of a rectangular block structure with a hollow interior, and two sides of the inner wall of the distributing groove are provided with trapezoidal sliding grooves; the bottom of the distributing groove is provided with a baffle in a sliding manner; the distributing chute also comprises:
the first motor is fixedly arranged on one side of the material distributing groove through a bolt;
the material distributing auger is rotatably arranged on the inner side of the material distributing groove through hinged connection and is in transmission connection with the first motor, the outer side of the material distributing auger is provided with a helical blade, the rotating directions of the helical blades on the left side and the right side are opposite, and a middle convex circular ring is integrally sleeved on the outer side of the middle of the material distributing auger.
4. A road and bridge laying and sealing device as claimed in claim 3, wherein: the baffle adopts a wedge-shaped block structure, two groups of baffles are arranged, the two groups of baffles are respectively arranged at two sides of the bottom of the material distribution groove in a sliding manner, and one side of each baffle is provided with a screw hole; the baffle still including:
and the bidirectional screw rods are rotatably arranged in the trapezoidal sliding grooves on one side of the material distributing groove and respectively penetrate through the screw holes of the two groups of baffles.
5. A road and bridge laying and sealing device as claimed in claim 1, wherein: the rear mounting frame further comprises:
the two groups of pinch rollers are rotatably arranged at the bottom of the rear mounting frame through hinged connection, and the bottom of each pinch roller is lower than the bottom of the baffle;
the scraping plate is of an arc-shaped plate structure and is arranged at the bottom of the rear mounting frame in a sliding mode, and the bottom of the scraping plate is attached to the outer side of the top of the pressing wheel;
the screw rod is rotatably arranged in the screw hole in the top of the rear mounting frame and is rotatably connected with the scraper.
6. A road and bridge laying and sealing device as claimed in claim 1, wherein: the front mounting rack adopts an L-shaped plate structure; preceding mounting bracket is still including:
the two groups of rollers are respectively and rotatably arranged on two sides of the bottom of the front mounting frame through hinged connection, and the bottom height of the rollers is consistent with that of the pinch roller;
the gear, the gear is provided with two sets ofly altogether, and two sets of gears all connect the rotatory inboard that sets up in preceding mounting bracket through the hinge, and two sets of gear engagement are connected.
7. A road and bridge laying and sealing device as claimed in claim 6, wherein: preceding mounting bracket is still including:
the second motor is fixedly arranged at the bottom of the front mounting frame through bolts and is in transmission connection with the group of gears;
the transmission wheels are of cylindrical structures and are provided with four groups, the four groups of transmission wheels are rotatably arranged on the front side of the front mounting frame through hinge connection, annular grooves are formed in the outer sides of the transmission wheels, and the middle two groups of transmission wheels are coaxially arranged with the two groups of gears respectively; the outside of the driving wheel is provided with a synchronous belt.
8. A road and bridge laying and sealing device as claimed in claim 7, wherein: the synchronous belt is sleeved on the outer sides of the two groups of driving wheels at each side; the hold-in range is still including:
the cleaning brush is fixedly arranged on the front side of the synchronous belt, and the bottom height of the cleaning brush is the same as the bottom height of the roller.
CN202121083068.2U 2021-05-20 2021-05-20 Road and bridge laying and sealing device Active CN215052203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121083068.2U CN215052203U (en) 2021-05-20 2021-05-20 Road and bridge laying and sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121083068.2U CN215052203U (en) 2021-05-20 2021-05-20 Road and bridge laying and sealing device

Publications (1)

Publication Number Publication Date
CN215052203U true CN215052203U (en) 2021-12-07

Family

ID=79212896

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121083068.2U Active CN215052203U (en) 2021-05-20 2021-05-20 Road and bridge laying and sealing device

Country Status (1)

Country Link
CN (1) CN215052203U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411504A (en) * 2022-02-28 2022-04-29 浙江省铁投建设工程有限公司 Road paving method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411504A (en) * 2022-02-28 2022-04-29 浙江省铁投建设工程有限公司 Road paving method

Similar Documents

Publication Publication Date Title
CN1023384C (en) Apparatus for coating roll basic material and mfg. baseless roll material
CN215052203U (en) Road and bridge laying and sealing device
CN110420684B (en) Low-temperature colloid grinding device
CN112623642B (en) Brewing workshop
CN213173250U (en) Remove convenient pitch laying device
CN217870246U (en) Composite snow melting device for preventing road from being blocked and scattering snow melting agent
CN212561082U (en) Pavement crack repairing device
CN214394721U (en) Feeding vehicle for producing tubular piles
CN113944093A (en) Road maintenance device for municipal construction
CN107596763A (en) A kind of vacuum drum filtration system
CN211596050U (en) Novel coating unit
CN209816768U (en) Snow collecting device
CN112915907A (en) Rust conversion agent material mixing equipment and using method thereof
CN213836226U (en) Highway is with patching device that road surface can be compacted
CN206693151U (en) Long slope scraper-type concrete lining machine
CN214300055U (en) Brewing workshop
CN213376464U (en) Continuous production device for automobile antifreeze fluid
CN209922216U (en) Automatic ash removal device for tail of sealing-tape machine
CN219522539U (en) Concrete raw material bearing and proportioning device
CN219961906U (en) Even material device that spouts of food processing
CN220166591U (en) Road anti-icing agent adds device
CN214530068U (en) Asphalt laying device
CN216838859U (en) Municipal works road laying structure
CN218541364U (en) Wall putty continuous pump machine
CN213412407U (en) Automatic distributing device for tubular pile concrete

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant