CN215976670U

CN215976670U - Precast concrete road

Info

Publication number: CN215976670U
Application number: CN202122330085.8U
Authority: CN
Inventors: 王魏; 陈克剑; 于晓娟
Original assignee: Anhui Huinong Construction Group Co ltd
Current assignee: Anhui Huinong Construction Group Co ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-03-08
Anticipated expiration: 2031-09-25

Abstract

The utility model belongs to the technical field of the road construction technique and specifically relates to a precast concrete road is related to, it includes first prefabricated plate, the second prefabricated plate, first fixture block and second fixture block, be equipped with fixed establishment on the second fixture block, fixed establishment includes a plurality of grafting nails, a plurality of inserting grooves have been seted up on the first prefabricated plate, a plurality of grafting nails all run through the setting of second fixture block, a plurality of grafting nails can carry out the one-to-one cooperation of pegging graft with the inner chamber of a plurality of inserting grooves, be equipped with the multiunit on the first prefabricated plate and be used for carrying out spacing first spacing subassembly to the grafting nail. This application has the effect that improves the firm degree of being connected between first prefabricated section and the second prefabricated section.

Description

Precast concrete road

Technical Field

The application relates to the technical field of road construction, in particular to a precast concrete road.

Background

At present, roads are used as main traffic channels and play an important role in increasingly heavy traffic, and the maintenance of the roads is more and more common, particularly in some heavy traffic areas, the maintenance time of the roads directly influences the traveling of pedestrians and vehicles, so that the rapid construction and maintenance are urgent; the concrete prefabricated road refers to that a concrete road deck is prepared in advance outside a construction site in a prefabricating mode and is constructed in a site assembling mode.

The correlation technique can refer to the chinese utility model patent that the grant bulletin number is CN208857619U, and it discloses a precast concrete road, including first prefabricated section and second prefabricated section, the left side of first prefabricated section offsets tightly with the right side of second prefabricated section, the equal rigid coupling of lower extreme of first prefabricated section and second prefabricated section has the bottom layer piece, the lower extreme left and right sides of thick rod all is equipped with the third recess, controls the inside of third recess all is equipped with the third fixture block, the third fixture block links to each other with the inner chamber of first prefabricated section is fixed, the third fixture block contacts with the third recess. This precast concrete road through the cooperation between first prefabricated section, second prefabricated section, bottom layer piece, first lug, second lug and the ground, has solved the quick installation problem of prefabricated section, and through the cooperation between first prefabricated section, cushion, thick rod, third recess and the third fixture block, it can make the thick rod stretch out or retract to remove the cushion, and the extreme position relation that the thick rod removed can be restricted to the third fixture block simultaneously, has solved the transportation removal problem of prefabricated section. The left side of the first precast block is tightly abutted to the right side of the second precast block, the lower ends of the first precast block and the second precast block are fixedly connected with a bottom block, third grooves are formed in the left side and the right side of the lower end of the thick rod, third clamping blocks are arranged in the left groove and the right groove, the third clamping blocks are fixedly connected with the inner cavity of the first precast block, and the third clamping blocks are in contact with the third grooves. This precast concrete road through the cooperation between first prefabricated section, second prefabricated section, bottom layer piece, first lug, second lug and the ground, has solved the quick installation problem of prefabricated section, and through the cooperation between first prefabricated section, cushion, thick rod, third recess and the third fixture block, it can make the thick rod stretch out or retract to remove the cushion, and the extreme position relation that the thick rod removed can be restricted to the third fixture block simultaneously, has solved the transportation removal problem of prefabricated section.

In view of the above-mentioned related art, the inventor believes that, because the first fixture block is connected with the first prefabricated block through the screw, the screw may rust and be damaged after long-term use, and thus the firmness of the connection between the first prefabricated block and the second prefabricated block may be reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the firm degree of being connected between first prefabricated section and the second prefabricated section, this application provides a precast concrete road.

The application provides a precast concrete road adopts following technical scheme:

the utility model provides a precast concrete road, includes first prefabricated plate, second prefabricated plate, first fixture block and second fixture block, be equipped with fixed establishment on the second fixture block, fixed establishment includes a plurality of grafting nails, a plurality of inserting grooves have been seted up on the first prefabricated plate, and is a plurality of the grafting nail all runs through the setting of second fixture block, and is a plurality of the grafting nail can carry out the one-to-one with the inner chamber of a plurality of inserting grooves and peg graft the cooperation, be equipped with the multiunit on the first prefabricated plate and be used for carrying out spacing first spacing subassembly to the grafting nail.

Through adopting above-mentioned technical scheme, when needs are connected first prefabricated plate and second prefabricated plate, at first promote the grafting nail and peg graft in the inner chamber of inserting groove, later under spacing subassembly's effect, the grafting nail is spacing to can reduce the possibility that first prefabricated plate and second prefabricated plate take place to separate, and then can improve the firm degree of being connected between first prefabricated plate and the second prefabricated plate.

Optionally, the first prefabricated plate is provided with a plurality of limiting grooves, the plurality of limiting grooves are communicated with the plurality of inserting grooves in a one-to-one correspondence manner, the first limiting assembly comprises a bolt, one end of the bolt close to the inserting nail is fixedly connected with a limiting block, the limiting block is provided with a first inclined surface, the limiting block can be in sliding fit with the side wall of the inserting nail through the first inclined surface, the inserting nail is provided with a slot, the limiting block can be in inserting fit with the slot, the inserting nail is sleeved with a first spring, two ends of the first spring are respectively abutted against one side of the limiting block far away from the inserting nail and one side of the limiting groove far away from the inserting nail, the first prefabricated plate is provided with a storage groove and a sliding hole, two ends of the sliding hole are respectively communicated with the side wall of the storage groove and the side wall of the limiting groove, and the bolt is connected with the side wall of the sliding hole in a sliding manner, the storage groove is internally provided with a pull block, and the pull block is detachably connected to one end, far away from the inserting nail, of the plug pin.

Through adopting above-mentioned technical scheme, at first remove the grafting nail and peg graft in the inner chamber of inserting groove, when grafting nail and stopper contacted, continue to remove the grafting nail this moment, later under the cooperation on first inclined plane, the grafting nail removes the elastic force effect that promotes the stopper and overcomes first spring and removes, inserts the interior back of receiving the slot as the stopper to can carry on spacingly to the grafting nail, and then can reduce the possibility that grafting nail and first prefabricated plate take place to separate.

Optionally, a tightening assembly is arranged in the insertion groove, the tightening assembly comprises a tightening plate and a second spring, the tightening plate slides in the inner cavity of the insertion groove, two ends of the second spring are respectively and fixedly connected to the side wall of the tightening plate and the side wall of the insertion groove far away from the second fixture block, and the insertion nail can be in butt fit with the tightening plate.

By adopting the technical scheme, when the inserting nail moves to be in contact with the abutting plate, the inserting nail continues to move at the moment, the inserting nail moves to push the abutting plate to overcome the elastic force of the second spring to move, and when the inserting nail stops moving, the elastic force of the second spring pushes the abutting plate to abut against the inserting nail, so that the possibility of shaking of the inserting nail can be reduced.

Optionally, the first prefabricated plate is provided with a second limiting assembly for limiting the pull block.

Through adopting above-mentioned technical scheme, the spacing subassembly of second that sets up can carry on spacingly to drawing the piece.

Optionally, the second limiting assembly comprises a push block, the first prefabricated plate is provided with a through hole, the through hole is communicated with the side wall of the storage groove, the push block slides in the inner cavity of the through hole, one end, close to the pull block, of the push block is provided with a second inclined surface, the push block can be matched with the pull block in a sliding mode through the second inclined surface, the first prefabricated plate is provided with a fixed block, the side wall of the fixed block is fixedly connected with a connecting block, a sliding hole and a sliding groove are formed in the connecting block, the sliding hole is communicated with the sliding groove, the side wall of the push block is fixedly connected with a connecting rod, one end, far away from the push block, of the connecting rod is fixedly connected with a baffle, the connecting rod is connected to the side wall of the sliding hole in a sliding mode, and the baffle is connected to the side wall of the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, when needs will peg graft nail and first prefabricated plate separation, at first promote the ejector pad and remove, when ejector pad and pull block contact afterwards, continue to remove the ejector pad this moment, at this moment the ejector pad promotes the pull block through the second inclined plane and removes, and the pull block removes and drives the bolt and removes, and the bolt removes and drives the stopper and remove, after the stopper removed to the position of keeping away from the peg graft nail, thereby can reduce the degree of difficulty that peg graft nail and first prefabricated plate take place to separate.

Optionally, a reset piece is arranged in the sliding chute, the reset piece is a third spring, and two ends of the third spring are respectively abutted against the side wall of the baffle and the side wall of the sliding chute close to the first precast slab.

Through adopting above-mentioned technical scheme, when need not carry on spacingly to the pull block, remove the ejector pad this moment, the ejector pad removes to the position of keeping away from the pull block under the spring action of third spring afterwards to can remove the limiting displacement to the pull block.

Optionally, a driving assembly for driving the pushing block to move is arranged on the fixed block.

Through adopting above-mentioned technical scheme, the drive assembly that sets up can drive the ejector pad and remove.

Optionally, the drive assembly includes the actuating lever, actuating lever sliding connection is in the lateral wall of fixed block, the one end fixedly connected with drive block that the actuating lever is close to the ejector pad, be equipped with the third inclined plane on the drive block, the cooperation of sliding can be carried out with the ejector pad through the third inclined plane to the drive block, the one end fixedly connected with operation piece of ejector pad is kept away from to the actuating lever.

Through adopting above-mentioned technical scheme, when needs drive ejector pad and remove, at first promote the operation piece, the operation piece removes and drives the actuating lever and remove, and the actuating lever removes and drives the drive piece and remove, and the drive piece promotes the ejector pad through the third inclined plane afterwards and removes to can drive the ejector pad and remove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the first prefabricated plate and the second prefabricated plate need to be connected, the inserting nails are pushed to be inserted into the inner cavities of the inserting grooves, and then the inserting nails are limited under the action of the limiting assemblies, so that the possibility of separation of the first prefabricated plate and the second prefabricated plate can be reduced, and the firmness of connection between the first prefabricated plate and the second prefabricated plate can be improved;

2. when the inserting nail moves to be in contact with the abutting plate, the inserting nail is continuously moved, the inserting nail moves to push the abutting plate to move by overcoming the elastic force of the second spring, and when the inserting nail stops moving, the elastic force of the second spring pushes the abutting plate to abut against the inserting nail, so that the possibility of shaking of the inserting nail can be reduced;

3. when the pushing block needs to be driven to move, the operation block is firstly pushed, the operation block moves to drive the driving rod to move, the driving rod moves to drive the driving block to move, and then the driving block pushes the pushing block to move through the third inclined plane, so that the pushing block can be driven to move.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a highlighting fixture in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a first prefabricated panel in the example of the present application;

FIG. 4 is an enlarged view of the embodiment A of the present application;

fig. 5 is a schematic structural view showing a third spring in the embodiment of the present application.

Description of reference numerals: 1. a first prefabricated panel; 2. a second prefabricated panel; 3. a first clamping block; 4. a second fixture block; 41. a fixing mechanism; 411. inserting nails; 412. inserting grooves; 5. a first limit component; 51. a limiting groove; 52. a bolt; 53. a limiting block; 54. a first inclined plane; 55. a slot; 56. a first spring; 57. a storage tank; 58. a sliding hole; 59. pulling the block; 6. a propping component; 61. a propping plate; 62. a second spring; 7. a second limiting component; 71. a push block; 72. a through hole; 73. a second inclined plane; 74. a fixed block; 75. connecting blocks; 76. a slide hole; 77. a chute; 78. a connecting rod; 79. a baffle plate; 8. a third spring; 9. a drive assembly; 91. a drive rod; 92. a drive block; 93. a third inclined plane; 94. and an operation block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses precast concrete road. As shown in fig. 1 and 2, the first and second prefabricated plates 1 and 2, the first fixture block 3 and the second fixture block 4 are provided, and the fixing mechanism 41 is provided on the second fixture block 4.

As shown in fig. 3 and 4, the fixing mechanism 41 includes four insertion nails 411, the insertion nails 411 are rectangular, four insertion grooves 412 are formed in the first prefabricated plate 1, the insertion grooves 412 extend along the height direction of the first prefabricated plate 1, the four insertion nails 411 are all arranged to penetrate through the second fixture block 4, the four insertion nails 411 can be in one-to-one corresponding insertion fit with inner cavities of the four insertion grooves 412, and four sets of first limiting assemblies 5 for limiting the insertion nails 411 are arranged on the first prefabricated plate 1; when the first prefabricated plate 1 and the second prefabricated plate 2 need to be connected, the inserting nails 411 are firstly pushed to be inserted into the inner cavities of the inserting grooves 412, and then the inserting nails 411 are limited under the action of the limiting assembly, so that the possibility of separation of the first prefabricated plate 1 and the second prefabricated plate 2 can be reduced, and the firmness of connection between the first prefabricated plate 1 and the second prefabricated plate can be improved.

As shown in fig. 3 and 4, the first prefabricated plate 1 is provided with four limiting grooves 51, the four limiting grooves 51 are in one-to-one correspondence with the four insertion grooves 412, the first limiting assembly 5 includes a plug 52, the plug 52 is horizontally arranged, one end of the plug 52 close to the insertion nail 411 is fixedly connected with a limiting block 53, the limiting block 53 is in a rectangular shape, one side of the limiting block 53 close to the insertion nail 411 is provided with a first inclined surface 54, the limiting block 53 can be in sliding fit with the side wall of the insertion nail 411 through the first inclined surface 54, the insertion nail 411 is provided with a slot 55, the slot 55 extends along the width direction of the insertion nail 411, the limiting block 53 can be in insertion fit with the slot 55, the plug 52 is sleeved with a first spring 56, the first spring 56 is horizontally arranged, two ends of the first spring 56 respectively abut against one side of the limiting block 53 away from the insertion nail 411 and one side wall of the limiting groove 51 away from the insertion nail 411, the first prefabricated plate 1 is provided with a storage groove 57 and a sliding hole 58, two ends of the sliding hole 58 are respectively communicated with a side wall of the storage groove 57 close to the plug-in nail 411 and a side wall of the limiting groove 51 far away from the plug-in nail 411, the plug 52 is slidably connected with the side wall of the sliding hole 58, a pull block 59 is arranged in the storage groove 57, the pull block 59 is in a cuboid shape, and the pull block 59 is detachably connected with one end of the plug 52 far away from the plug-in nail 411; firstly, the inserting nail 411 is moved to be inserted into the inner cavity of the inserting groove 412, when the inserting nail 411 is in contact with the limiting block 53, the inserting nail 411 is continuously moved at the moment, then under the matching of the first inclined plane 54, the inserting nail 411 is moved to push the limiting block 53 to move against the elastic action of the first spring 56, and after the limiting block 53 is inserted into the inner cavity of the inserting groove 55, the inserting nail 411 can be limited, and the possibility that the inserting nail 411 is separated from the first prefabricated plate 1 can be reduced.

As shown in fig. 4, a fastening assembly 6 is arranged in the insertion groove 412, the fastening assembly 6 includes a fastening plate 61 and a second spring 62, the fastening plate 61 is rectangular, the fastening plate 61 slides in the inner cavity of the insertion groove 412 along the height direction of the first prefabricated plate 1, the second spring 62 is vertically arranged, two ends of the second spring 62 are respectively and fixedly connected to a side wall of the fastening plate 61 far away from the insertion nail 411 and a side wall of the insertion groove 412 far away from the second fixture block 4, and the insertion nail 411 can be in abutting fit with a side of the fastening plate 61 close to the second fixture block 4; when the inserting nail 411 moves to be in contact with the abutting plate 61, the inserting nail 411 continues to move at the moment, the inserting nail 411 moves to push the abutting plate 61 to overcome the elastic force of the second spring 62 to move, and when the inserting nail 411 stops moving, the elastic force of the second spring 62 pushes the abutting plate 61 to abut against the inserting nail 411 at the moment, so that the possibility that the inserting nail 411 shakes can be reduced.

As shown in fig. 4 and 5, the first precast slab 1 is provided with a second limiting assembly 7 for limiting the pull block 59, and the second limiting assembly 7 is capable of limiting the pull block 59; the second limiting assembly 7 comprises a pushing block 71, the pushing block 71 is rectangular, a through hole 72 is formed in the first prefabricated plate 1, the through hole 72 extends along the height direction of the first prefabricated plate 1, the through hole 72 is communicated with the side wall of the storage groove 57, the pushing block 71 slides in the inner cavity of the through hole 72 along the height direction of the first prefabricated plate 1, a second inclined plane 73 is arranged at one end, close to the pulling block 59, of the pushing block 71, the pushing block 71 can slide and fit with the pulling block 59 through the second inclined plane 73, a fixing block 74 is mounted at the top of the first prefabricated plate 1, the fixing block 74 is rectangular, a connecting block 75 is fixedly connected to the side wall, close to the plug pins 411, of the fixing block 74, the connecting block 75 is rectangular, a sliding hole 76 and a sliding groove 77 are formed in the connecting block 75, the sliding hole 76 and the sliding groove 77 both extend along the height direction of the connecting block 75, the sliding hole 76 is communicated with the sliding groove 77, and a connecting rod 78 is fixedly connected to the side wall of the pushing block 71, the connecting rod 78 is rectangular, one end of the connecting rod 78, which is far away from the push block 71, is fixedly connected with a baffle 79, the baffle 79 is rectangular, the connecting rod 78 is connected to the side wall of the sliding hole 76 in a sliding manner along the height direction of the connecting block 75, and the baffle 79 is connected to the side wall of the sliding groove 77 in a sliding manner along the height direction of the connecting block 75; when the plug-in nails 411 need to be separated from the first prefabricated plate 1, the push block 71 is pushed to move firstly, then when the push block 71 is in contact with the pull block 59, the push block 71 continues to move at the moment, the push block 71 pushes the pull block 59 to move through the second inclined plane 73, the pull block 59 moves to drive the bolts 52 to move, the bolts 52 move to drive the limiting blocks 53 to move, and after the limiting blocks 53 move to a position far away from the plug-in nails 411, the difficulty of separating the plug-in nails 411 from the first prefabricated plate 1 can be reduced.

As shown in fig. 5, a return member is arranged in the chute 77, the return member is a third spring 8, the third spring 8 is vertically arranged, and two ends of the third spring 8 respectively abut against the side wall of the baffle 79 close to the first prefabricated plate 1 and the side wall of the chute 77 close to the first prefabricated plate 1; when the limit of the pull block 59 is not needed, the push block 71 is moved at the moment, and then the push block 71 is moved to a position far away from the pull block 59 under the elastic force of the third spring 8, so that the limit of the pull block 59 can be released.

As shown in fig. 5, a driving assembly 9 for driving the pushing block 71 to move is arranged on the fixed block 74, and the driving assembly 9 can drive the pushing block 71 to move; the driving assembly 9 includes a driving rod 91, the driving rod 91 is in a rectangular parallelepiped shape and is horizontally arranged, the driving rod 91 is slidably connected to the side wall of the fixed block 74 along the width direction of the fixed block 74, one end of the driving rod 91 close to the pushing block 71 is fixedly connected with a driving block 92, the driving block 92 is in a rectangular parallelepiped shape, one side of the driving block 92 close to the pushing block 71 is provided with a third inclined surface 93, the driving block 92 can be in sliding fit with the pushing block 71 through the third inclined surface 93, and one end of the driving rod 91 far away from the pushing block 71 is fixedly connected with an operating block 94. The operation block 94 is rectangular; when the pushing block 71 needs to be driven to move, the operating block 94 is pushed first, the operating block 94 moves to drive the driving rod 91 to move, the driving rod 91 moves to drive the driving block 92 to move, and then the driving block 92 pushes the pushing block 71 to move through the third inclined surface 93, so that the pushing block 71 can be driven to move.

The implementation principle of the embodiment of the application is as follows: when the first prefabricated plate 1 and the second prefabricated plate 2 need to be connected, the inserting nails 411 are firstly pushed to be inserted into the inner cavities of the inserting grooves 412, and then the inserting nails 411 are limited under the action of the limiting assembly, so that the possibility of separation of the first prefabricated plate 1 and the second prefabricated plate 2 can be reduced, and the firmness of connection between the first prefabricated plate 1 and the second prefabricated plate can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a precast concrete road, includes first prefabricated plate (1), second prefabricated plate (2), first fixture block (3) and second fixture block (4), its characterized in that: be equipped with fixed establishment (41) on second fixture block (4), fixed establishment (41) are including a plurality of grafting nails (411), a plurality of inserting groove (412) have been seted up on first prefabricated plate (1), and is a plurality of grafting nail (411) all run through second fixture block (4) setting, and is a plurality of grafting nail (411) can carry out the one-to-one grafting cooperation with the inner chamber of a plurality of inserting groove (412), be equipped with the multiunit on first prefabricated plate (1) and be used for carrying out spacing first spacing subassembly (5) to grafting nail (411).

2. A concrete precast road according to claim 1, characterized in that: the first prefabricated plate (1) is provided with a plurality of limiting grooves (51), the limiting grooves (51) are communicated with the inserting grooves (412) in a one-to-one correspondence manner, the first limiting assembly (5) comprises a bolt (52), one end, close to the inserting nail (411), of the bolt (52) is fixedly connected with a limiting block (53), a first inclined plane (54) is arranged on the limiting block (53), the limiting block (53) can be in sliding fit with the side wall of the inserting nail (411) through the first inclined plane (54), the inserting nail (411) is provided with a slot (55), the limiting block (53) can be in inserting fit with the slot (55), the bolt (52) is sleeved with a first spring (56), two ends of the first spring (56) are respectively abutted to one side, far away from the inserting nail (411), of the limiting block (53) and one side wall, far away from the inserting nail (411), of the limiting groove (51), the prefabricated plate is characterized in that a storage groove (57) and a sliding hole (58) are formed in the first prefabricated plate (1), two ends of the sliding hole (58) are respectively communicated with the side wall of the storage groove (57) and the side wall of the limiting groove (51), the bolt (52) is slidably connected to the side wall of the sliding hole (58), a pull block (59) is arranged in the storage groove (57), and the pull block (59) is detachably connected to one end, far away from the inserting nail (411), of the bolt (52).

3. A concrete precast road according to claim 1, characterized in that: the clamping device is characterized in that a clamping component (6) is arranged in the insertion groove (412), the clamping component (6) comprises a clamping plate (61) and a second spring (62), the clamping plate (61) slides in the inner cavity of the insertion groove (412), two ends of the second spring (62) are respectively and fixedly connected to the side wall of the clamping plate (61) and the side wall of one side of the insertion groove (412) far away from the second fixture block (4), and the insertion nail (411) can be in butt fit with the clamping plate (61).

4. A concrete precast road according to claim 1, characterized in that: and a second limiting assembly (7) used for limiting the pulling block (59) is arranged on the first prefabricated plate (1).

5. A precast concrete road according to claim 4, characterized in that: the second limiting assembly (7) comprises a push block (71), a through hole (72) is formed in the first precast slab (1), the through hole (72) is communicated with the side wall of the storage groove (57), the push block (71) slides in the inner cavity of the through hole (72), a second inclined surface (73) is arranged at one end, close to the pull block (59), of the push block (71), the push block (71) can be in sliding fit with the pull block (59) through the second inclined surface (73), a fixed block (74) is installed on the first precast slab (1), a connecting block (75) is fixedly connected to the side wall of the fixed block (74), a sliding hole (76) and a sliding groove (77) are formed in the connecting block (75), the sliding hole (76) is communicated with the sliding groove (77), a connecting rod (78) is fixedly connected to the side wall of the push block (71), and a baffle (79) is fixedly connected to one end, far away from the push block (71), of the connecting rod (78), the connecting rod (78) is connected to the side wall of the sliding hole (76) in a sliding mode, and the baffle plate (79) is connected to the side wall of the sliding groove (77) in a sliding mode.

6. A concrete precast road according to claim 5, characterized in that: be equipped with the piece that resets in spout (77), the piece that resets is third spring (8), the both ends of third spring (8) butt respectively in the lateral wall of baffle (79) and the lateral wall of one side that spout (77) is close to first prefabricated plate (1).

7. A concrete precast road according to claim 5, characterized in that: and a driving component (9) for driving the push block (71) to move is arranged on the fixed block (74).

8. A concrete precast road according to claim 7, characterized in that: drive assembly (9) are including actuating lever (91), actuating lever (91) sliding connection is in the lateral wall of fixed block (74), one end fixedly connected with drive block (92) that actuating lever (91) are close to ejector pad (71), be equipped with third inclined plane (93) on drive block (92), cooperation of sliding can be carried out through third inclined plane (93) and ejector pad (71) in drive block (92), one end fixedly connected with operation piece (94) of ejector pad (71) are kept away from in actuating lever (91).