CN115748386A - Split pneumatic precast concrete pavement laying equipment and application method thereof - Google Patents
Split pneumatic precast concrete pavement laying equipment and application method thereof Download PDFInfo
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- CN115748386A CN115748386A CN202210902399.7A CN202210902399A CN115748386A CN 115748386 A CN115748386 A CN 115748386A CN 202210902399 A CN202210902399 A CN 202210902399A CN 115748386 A CN115748386 A CN 115748386A
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Abstract
The invention discloses split pneumatic precast concrete pavement laying equipment and a using method thereof, and relates to the field of concrete pavement laying. According to the split pneumatic precast concrete pavement laying equipment and the using method thereof, the two second rotating cylinders and one end of one screw rod are provided with the inserting grooves, one ends of the two inserting rods are respectively arranged at one ends of the first rotating cylinder and the other screw rod, one end of the first rotating shaft penetrates through the outer surface of the first connecting frame, the upper surface of the second connecting frame is provided with the rotating mechanism, the splicing mechanism comprises the inserting block and the limiting groove, the inserting block is arranged at one end of the first connecting frame, and the inserting block is inserted into the limiting groove. The split pneumatic precast concrete pavement paving equipment and the using method thereof are convenient for splicing paving equipment, can adjust the baffle and are convenient for moving along a straight line.
Description
Technical Field
The invention relates to the technical field of concrete pavement paving, in particular to split pneumatic precast concrete pavement paving equipment and a using method thereof.
Background
The cement concrete pavement is a pavement consisting of cement concrete slabs and a base layer, is also called a rigid pavement and comprises ordinary cement concrete, reinforced concrete, roller compacted concrete, continuous reinforced concrete pavement and the like.
In the prior art, when concrete pavement is paved, paving equipment is needed to flatten the concrete, the paving equipment is placed on the pavement, then the paving equipment is moved, and a rotating cylinder at the bottom of the paving equipment rotates, so that the concrete is paved;
most of the existing pavement paving equipment is not convenient to splice when used, so that the equipment is not convenient to transport, most of the equipment is not provided with a baffle mechanism, the equipment is not convenient to move along a straight line, the baffle mechanism is not arranged, the equipment does not have an adjusting function, the driving assembly can only drive one rotating cylinder to rotate, the efficiency is low, and therefore the split pneumatic precast concrete pavement paving equipment and the using method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses split pneumatic precast concrete pavement laying equipment and a using method thereof, and aims to solve the problems in the background art.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: provided is split type pneumatic precast concrete pavement laying equipment.
The connecting device comprises a first connecting frame, a second connecting frame, two first rotating cylinders, two second rotating cylinders and two spiral rods, wherein one end of the first connecting frame is provided with the second connecting frame, the bottom ends of the first connecting frame and the second connecting frame are provided with the two first rotating cylinders, the two second rotating cylinders and one end of one spiral rod are provided with inserting grooves, the inserting grooves are internally provided with the inserting rods, one ends of the two inserting rods are respectively arranged at one ends of the first rotating cylinders and the other spiral rod, one ends of the two first rotating cylinders are provided with first rotating shafts, one ends of the first rotating shafts penetrate through the outer surface of the first connecting frame, the outer surfaces of the two first rotating shafts are provided with first driving belts, and the upper surface of the second connecting frame is provided with a rotating mechanism;
splicing mechanism, splicing mechanism is including grafting piece and spacing groove, the grafting piece sets up the one end at first link, and the spacing groove is seted up in the inside of second link one end, the grafting piece is pegged graft in the inside of spacing groove, and grafting piece and spacing groove play the effect of concatenation.
Preferably, the inside of first link is provided with the threaded rod, and the both ends of threaded rod are provided with baffle and turning block respectively, the upper surface of baffle is provided with the carriage release lever, and the upper surface of first link is run through on the top of carriage release lever, the upper surface of first link and second link is provided with the handle.
Preferably, the splicing mechanism further comprises a connecting rod, the connecting rod is inserted into the inner top wall of the limiting groove, the two ends of the connecting rod are respectively provided with a rectangular block and a limiting block, the limiting blocks are located in the limiting groove, the outer surface of the connecting rod is provided with an elastic piece, and the two ends of the elastic piece are respectively arranged on the lower surface of the rectangular block and the upper surface of the second connecting frame.
Preferably, one side of the inserting block is provided with a sliding groove, the lower surface of the inserting block is provided with a rotating groove, the inner top wall of the rotating groove is provided with a clamping groove, the inner wall of the clamping groove is attached to the outer surface of the limiting block, and the inner wall of the clamping groove is attached to the outer surface of the connecting rod.
Preferably, the rotating mechanism comprises a motor, the motor is arranged on the upper surface of the second connecting frame, a first driving wheel is arranged at the output end of the motor, a second driving belt is arranged on the outer surface of the first driving wheel, and a second driving wheel is arranged at one end, far away from the first driving wheel, of the second driving belt.
Preferably, the inside of second drive wheel is provided with first dwang, and one end of first dwang runs through one side of second link, the surface of first dwang is provided with the third drive belt, and the one end of two second dwang all is provided with the second dwang.
Preferably, the one end of second dwang runs through the surface of second link, and the surface of one of them second dwang laminates with the inner wall of third drive belt mutually, another the surface of second dwang is provided with the fourth drive belt.
Preferably, the one end of fourth drive belt is provided with the third dwang, and the one end of third dwang runs through one side of second link, the one end setting of third dwang is in the one end of hob.
In another aspect, a use method of the split pneumatic precast concrete pavement laying equipment is characterized by comprising the following steps:
s1, when paving equipment is spliced, firstly, a plurality of splicing rods are inserted into splicing grooves, then a first connecting frame and a second connecting frame are moved, so that splicing blocks are inserted into limiting grooves, rectangular blocks are pressed, the rectangular blocks move downwards to drive connecting rods to move downwards and compress elastic pieces, the connecting rods move downwards to drive limiting blocks to move downwards, the splicing blocks move forwards, the limiting blocks move into rotating grooves through sliding grooves, the rectangular blocks rotate ninety degrees to drive the limiting blocks to rotate ninety degrees, then the elastic pieces of the rectangular blocks are loosened to rebound, and the limiting blocks enter clamping grooves, so that the first connecting frame and the second connecting frame are spliced together;
s2, when paving equipment worked, at first rotated the turning block, the turning block rotated and drives the threaded rod, because threaded rod and first link threaded connection, so the threaded rod rotated and moved down to drive the baffle and move down, the baffle removes and drives the carriage release lever and move down, thereby can adjust the height of baffle, make the baffle laminate mutually with the both sides on road surface, thereby make slewing mechanism work, paving equipment can be along rectilinear movement.
S3, when the rotating mechanism works, firstly, the working output end of the motor rotates, the output end rotates to drive the first transmission wheel to rotate, the first transmission wheel rotates to drive the second transmission belt to rotate, the second transmission belt rotates to drive the second transmission wheel to rotate, the second transmission wheel rotates to drive the first rotation rod to rotate, the first rotation rod rotates to drive the third transmission belt to rotate, the third transmission belt rotates to drive the second rotation rod to rotate, the second rotation rod rotates to drive the second rotation cylinder to rotate, the second rotation cylinder rotates to drive the first rotation cylinder and the first transmission belt to rotate, so that the two first rotation cylinders and the two second rotation cylinders rotate, the other second rotation rod rotates, the second rotation rod rotates to drive the fourth transmission belt and the third rotation rod to rotate, and the third rotation rod rotates to drive the screw rod to rotate.
The invention discloses split pneumatic precast concrete pavement laying equipment and a using method thereof, and the split pneumatic precast concrete pavement laying equipment has the following beneficial effects:
1. this equipment is laid to pneumatic type precast concrete pavement of split formula, at first insert the inside of inserting groove with a plurality of spliced poles, then remove first link and second link, make the grafting piece insert the spacing inslot, and press the rectangular block, the rectangular block moves down, drive the connecting rod and move down, and the compression elastic component, and the connecting rod moves down and drives the stopper and move down, make the grafting piece move forward, make the stopper move to through the spout and rotate the inslot, rotate the rectangular block ninety degrees again, it rotates ninety degrees to drive the stopper, then loosen the rebound of rectangular block elastic component, make the stopper get into in the draw-in groove, thereby splice first link and second link together.
2. This pneumatic type precast concrete road surface laying equipment of split formula rotates the turning block, and the turning block rotates and drives the threaded rod, because threaded rod and first link threaded connection, so the threaded rod rotates and the downstream to drive the baffle downstream, the baffle removes and drives the carriage release lever downstream, thereby can adjusting the height of baffle, make the both sides on baffle and road surface laminate mutually, thereby make slewing mechanism work, paving equipment can be along rectilinear movement.
3. This equipment is laid to pneumatic type precast concrete road surface of split formula, motor job output end rotates, the output rotates and drives first drive wheel rotation, first drive wheel rotates and drives the rotation of second drive belt, the rotation of second drive belt drives the rotation of second drive wheel, the rotation of second drive wheel drives the rotation of first rotation pole, first rotation pole rotates and drives the rotation of third drive belt, the rotation of third drive belt drives the rotation of second dwang, the rotation of second dwang drives first dwang and first drive belt and rotates, thereby make two first dwang and two second dwang rotate, and make another second dwang rotate, the rotation of second dwang drives fourth drive belt and third dwang and rotate, the rotation of third dwang drives the hob and rotates, be convenient for first dwang, second dwang and hob rotate simultaneously.
Drawings
FIG. 1 is a schematic view of the construction of the concrete pavement paving apparatus of the present invention;
FIG. 2 is a schematic view of a first connecting frame according to the present invention;
FIG. 3 is a schematic view of a second connecting frame according to the present invention;
FIG. 4 is a schematic view of a limiting block structure according to the present invention;
FIG. 5 is a schematic diagram of the plug block of the present invention;
fig. 6 is a schematic structural diagram of the motor of the present invention.
In the figure: 1. a first connecting frame; 101. a second link frame; 102. a first rotating drum; 103. a second rotary cylinder; 104. a screw rod; 105. inserting grooves; 106. a plug-in rod; 107. a first rotating shaft; 108. a first drive belt; 109. a handle; 110. a threaded rod; 111. a baffle plate; 112. a travel bar; 113. rotating the block; 2. a rectangular block; 201. a connecting rod; 202. a limiting block; 203. an elastic member; 204. an insertion block; 205. a chute; 206. a rotating groove; 207. a card slot; 208. a limiting groove; 3. a motor; 301. a first drive pulley; 302. a second belt; 303. a second transmission wheel; 304. a first rotating lever; 305. a third belt; 306. a second rotating rod; 307. a fourth belt; 308. and a third rotating rod.
Detailed Description
The embodiment of the invention discloses split pneumatic precast concrete pavement laying equipment.
As shown in fig. 1-2, in the first connection frame 1, a second connection frame 101 is disposed at one end of the first connection frame 1, two first rotation cylinders 102, two second rotation cylinders 103, and two screw rods 104 are disposed at bottom ends of the first connection frame 1 and the second connection frame 101, an insertion groove 105 is disposed at one end of one of the two second rotation cylinders 103 and one of the screw rods 104, an insertion rod 106 is disposed inside the insertion groove 105, one end of the two insertion rods 106 is disposed at one end of the first rotation cylinder 102 and one end of the other screw rod 104, a first rotation shaft 107 is disposed at one end of the two first rotation cylinders 102, one end of the first rotation shaft 107 penetrates through an outer surface of the first connection frame 1, a first transmission belt 108 is disposed at an outer surface of the two first rotation shafts 107, and a rotation mechanism is disposed at an upper surface of the second connection frame 101;
a threaded rod 110 is arranged inside the first connecting frame 1, two ends of the threaded rod 110 are respectively provided with a baffle 111 and a rotating block 113, the bottom end of the threaded rod 110 is rotatably connected with the upper surface of the baffle 111, the threaded rod 110 is in threaded connection with the first connecting frame 1, the upper surface of the baffle 111 is provided with a moving rod 112, the top end of the moving rod 112 penetrates through the upper surface of the first connecting frame 1, and the upper surfaces of the first connecting frame 1 and the second connecting frame 101 are provided with handles 109;
splicing mechanism, splicing mechanism include plug block 204 and spacing groove 208, and plug block 204 sets up the one end at first link 1, and spacing groove 208 sets up in the inside of second link 101 one end, and plug block 204 pegs graft in the inside of spacing groove 208, and plug block 204 and spacing groove 208 play the effect of concatenation.
As shown in fig. 3-5, the splicing mechanism further includes a connecting rod 201, the connecting rod 201 is inserted into an inner top wall of the limiting groove 208, two ends of the connecting rod 201 are respectively provided with the rectangular block 2 and the limiting block 202, the limiting block 202 is located in the limiting groove 208, an elastic member 203 is arranged on an outer surface of the connecting rod 201, and two ends of the elastic member 203 are respectively arranged on a lower surface of the rectangular block 2 and an upper surface of the second connecting frame 101;
one side of the insertion block 204 is provided with a sliding groove 205, the lower surface of the insertion block 204 is provided with a rotating groove 206, the inner top wall of the rotating groove 206 is provided with a clamping groove 207, the inner wall of the clamping groove 207 is attached to the outer surface of the limiting block 202, and the inner wall of the clamping groove 207 is attached to the outer surface of the connecting rod 201.
As shown in fig. 6, the rotating mechanism includes a motor 3, the motor 3 is disposed on the upper surface of the second connecting frame 101, the output end of the motor 3 is provided with a first driving wheel 301, the outer surface of the first driving wheel 301 is provided with a second driving belt 302, one end of the second driving belt 302 away from the first driving wheel 301 is provided with a second driving wheel 303, a first rotating rod 304 is disposed inside the second driving wheel 303, one end of the first rotating rod 304 penetrates through one side of the second connecting frame 101, the outer surface of the first rotating rod 304 is provided with a third driving belt 305, and one ends of the two second rotating cylinders 103 are both provided with a second rotating rod 306;
one end of the second rotating rod 306 penetrates through the outer surface of the second connecting frame 101, the outer surface of one of the second rotating rods 306 is attached to the inner wall of the third transmission belt 305, the outer surface of the other second rotating rod 306 is provided with the fourth transmission belt 307, one end of the fourth transmission belt 307 is provided with the third rotating rod 308, one end of the third rotating rod 308 penetrates through one side of the second connecting frame 101, and one end of the third rotating rod 308 is arranged at one end of the spiral rod 104.
In another aspect, a use method of the split pneumatic precast concrete pavement laying equipment is characterized by comprising the following steps:
s1, when paving equipment is spliced, firstly, a plurality of splicing rods 106 are inserted into a splicing groove 105, then a first connecting frame 1 and a second connecting frame 101 are moved, a splicing block 204 is inserted into a limiting groove 208, a rectangular block 2 is pressed, the rectangular block 2 moves downwards, a connecting rod 201 is driven to move downwards, an elastic piece 203 is compressed, the connecting rod 201 moves downwards, a limiting block 202 is driven to move downwards, the splicing block 204 moves forwards, the limiting block 202 moves into a rotating groove 206 through a sliding groove 205, the rectangular block 2 rotates ninety degrees, the limiting block 202 is driven to rotate ninety degrees, then the elastic piece 203 of the rectangular block 2 is loosened to rebound, the limiting block 202 enters a clamping groove 207, and the first connecting frame 1 and the second connecting frame 101 are spliced together;
s2, when the paving equipment works, firstly, the rotating block 113 is rotated, the rotating block 113 rotates to drive the threaded rod 110, the threaded rod 110 is in threaded connection with the first connecting frame 1, so that the threaded rod 110 rotates and moves downwards to drive the baffle 111 to move downwards, the baffle 111 moves to drive the moving rod 112 to move downwards, the height of the baffle 111 can be adjusted, the baffle 111 is attached to two sides of a road surface, the rotating mechanism works, and the paving equipment can move along a straight line.
S3, when the rotating mechanism works, firstly, the working output end of the motor 3 rotates, the output end rotates to drive the first driving wheel 301 to rotate, the first driving wheel 301 rotates to drive the second driving belt 302 to rotate, the second driving belt 302 rotates to drive the second driving wheel 303 to rotate, the second driving wheel 303 rotates to drive the first rotating rod 304 to rotate, the first rotating rod 304 rotates to drive the third driving belt 305 to rotate, the third driving belt 305 rotates to drive the second rotating rod 306 to rotate, the second rotating rod 306 rotates to drive the second rotating cylinder 103 to rotate, the second rotating cylinder 103 rotates to drive the first rotating cylinder 102 and the first driving belt 108 to rotate, so that the two first rotating cylinders 102 and the two second rotating cylinders 103 rotate, the other second rotating rod 306 rotates, the second rotating rod 306 rotates to drive the fourth driving belt 307 and the third rotating rod 308 to rotate, and the third rotating rod 308 rotates to drive the spiral rod 104 to rotate, and the first rotating cylinder 102, the second rotating cylinder 103 and the spiral rod 104 can rotate simultaneously.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The split pneumatic precast concrete pavement laying equipment is characterized by comprising a first connecting frame (1) and a splicing mechanism for splicing equipment;
the connecting structure comprises a first connecting frame (1), wherein a second connecting frame (101) is arranged at one end of the first connecting frame (1), two first rotating cylinders (102), two second rotating cylinders (103) and two spiral rods (104) are arranged at the bottom ends of the first connecting frame (1) and the second connecting frame (101), an inserting groove (105) is formed in one end of each of the two second rotating cylinders (103) and one end of one spiral rod (104), an inserting rod (106) is arranged inside the inserting groove (105), one ends of the two inserting rods (106) are respectively arranged at one end of each of the first rotating cylinder (102) and the other end of each of the two spiral rods (104), a first rotating shaft (107) is arranged at one end of each of the two first rotating cylinders (102), one end of each of the first rotating shafts (107) penetrates through the outer surface of the first connecting frame (1), a first transmission belt (108) is arranged on the outer surface of each of the two first rotating shafts (107), and a rotating mechanism is arranged on the upper surface of the second connecting frame (101);
splicing mechanism, splicing mechanism is including inserting piece (204) and spacing groove (208), inserting piece (204) sets up the one end at first link (1), and spacing groove (208) set up in the inside of second link (101) one end, inserting piece (204) is pegged graft in the inside of spacing groove (208), and inserts piece (204) and spacing groove (208) play the effect of concatenation.
2. The split pneumatic precast concrete pavement paving apparatus of claim 1, wherein: the inside of first link (1) is provided with threaded rod (110), and the both ends of threaded rod (110) are provided with baffle (111) and turning block (113) respectively, the upper surface of baffle (111) is provided with carriage release lever (112), and the top of carriage release lever (112) runs through the upper surface of first link (1), the upper surface of first link (1) and second link (101) is provided with handle (109).
3. The split pneumatic precast concrete pavement paving apparatus of claim 1, wherein: the splicing mechanism further comprises a connecting rod (201), the connecting rod (201) is spliced on the inner top wall of the limiting groove (208), the two ends of the connecting rod (201) are respectively provided with a rectangular block (2) and a limiting block (202), the limiting block (202) is located in the limiting groove (208), the outer surface of the connecting rod (201) is provided with an elastic piece (203), and the two ends of the elastic piece (203) are respectively arranged on the lower surface of the rectangular block (2) and the upper surface of the second connecting frame (101).
4. The split pneumatic precast concrete pavement laying equipment according to claim 3, characterized in that: one side of the inserting block (204) is provided with a sliding groove (205), the lower surface of the inserting block (204) is provided with a rotating groove (206), the inner top wall of the rotating groove (206) is provided with a clamping groove (207), the inner wall of the clamping groove (207) is attached to the outer surface of the limiting block (202), and the inner wall of the sliding groove (205) is attached to the outer surface of the connecting rod (201).
5. The split pneumatic precast concrete pavement paving apparatus of claim 1, wherein: slewing mechanism includes motor (3), motor (3) set up the upper surface at second link (101), and the output of motor (3) is provided with first drive wheel (301), the surface of first drive wheel (301) is provided with second drive belt (302), and the one end that first drive wheel (301) were kept away from in second drive belt (302) is provided with second drive wheel (303).
6. The split pneumatic precast concrete pavement laying equipment according to claim 5, characterized in that: the inside of second drive wheel (303) is provided with first dwang (304), and the one end of first dwang (304) runs through one side of second link (101), the surface of first dwang (304) is provided with third drive belt (305), and the one end of two second rotation section of thick bamboo (103) all is provided with second dwang (306).
7. The split pneumatic precast concrete pavement laying equipment according to claim 6, characterized in that: one end of the second rotating rod (306) penetrates through the outer surface of the second connecting frame (101), the outer surface of one second rotating rod (306) is attached to the inner wall of the third transmission belt (305), and the outer surface of the second rotating rod (306) is provided with a fourth transmission belt (307).
8. The split pneumatic precast concrete pavement paving apparatus of claim 7, wherein: one end of the fourth transmission belt (307) is provided with a third rotating rod (308), one end of the third rotating rod (308) penetrates through one side of the second connecting frame (101), and one end of the third rotating rod (308) is arranged at one end of the spiral rod (104).
9. Use of a split pneumatic precast concrete pavement laying plant according to any of claims 1 to 8, characterized in that it comprises the following steps:
s1, when paving equipment is spliced, firstly, a plurality of splicing rods (106) are inserted into a splicing groove (105), then a first connecting frame (1) and a second connecting frame (101) are moved, an splicing block (204) is inserted into a limiting groove (208), a rectangular block (2) is pressed, the rectangular block (2) moves downwards to drive a connecting rod (201) to move downwards and compress an elastic piece (203), the connecting rod (201) moves downwards to drive the limiting block (202) to move downwards, the splicing block (204) moves forwards, the limiting block (202) moves into a rotating groove (206) through a sliding groove (205), the rectangular block (2) rotates ninety degrees to drive the limiting block (202) to rotate ninety degrees, then the elastic piece (203) of the rectangular block (2) is loosened to rebound, and the limiting block (202) enters a clamping groove (207), so that the first connecting frame (1) and the second connecting frame (101) are spliced together;
s2, when the paving equipment works, firstly, the rotating block (113) is rotated, the rotating block (113) rotates to drive the threaded rod (110), the threaded rod (110) is in threaded connection with the first connecting frame (1), so that the threaded rod (110) rotates and moves downwards to drive the baffle (111) to move downwards, the baffle (111) moves to drive the moving rod (112) to move downwards, the height of the baffle (111) can be adjusted, the baffle (111) is attached to two sides of a road surface, the rotating mechanism works, and the paving equipment can move along a straight line;
s3, when the rotating mechanism works, firstly, the working output end of the motor (3) rotates, the output end rotates to drive the first transmission wheel (301) to rotate, the first transmission wheel (301) rotates to drive the second transmission belt (302) to rotate, the second transmission belt (302) rotates to drive the second transmission wheel (303) to rotate, the second transmission wheel (303) rotates to drive the first rotating rod (304) to rotate, the first rotating rod (304) rotates to drive the third transmission belt (305) to rotate, the third transmission belt (305) rotates to drive the second rotating rod (306) to rotate, the second rotating rod (306) rotates to drive the second rotating cylinder (103) to rotate, the second rotating cylinder (103) rotates to drive the first rotating cylinder (102) and the first transmission belt (108) to rotate, so that the two first rotating cylinders (102) and the two second rotating cylinders (103) rotate, the rotating rod rotates to drive the other second rotating cylinder (306), the second rotating rod (306) rotates to drive the fourth rotating cylinder (307) and the third transmission belt (308) to rotate, the third rotating cylinder (308) rotates to drive the spiral rod (104), and the spiral cylinder (102) and the second rotating cylinder (103) to rotate simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902399.7A CN115748386A (en) | 2022-07-29 | 2022-07-29 | Split pneumatic precast concrete pavement laying equipment and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902399.7A CN115748386A (en) | 2022-07-29 | 2022-07-29 | Split pneumatic precast concrete pavement laying equipment and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115748386A true CN115748386A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210902399.7A Pending CN115748386A (en) | 2022-07-29 | 2022-07-29 | Split pneumatic precast concrete pavement laying equipment and application method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN115748386A (en) |
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2022
- 2022-07-29 CN CN202210902399.7A patent/CN115748386A/en active Pending
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