CN-116791423-B - Layered roadbed sectional inclined grouting construction device and method

CN116791423BCN 116791423 BCN116791423 BCN 116791423BCN-116791423-B

Abstract

The invention discloses a layered roadbed sectional inclined grouting construction device and method, wherein the moving mechanism comprises a driving vehicle, a hydraulic cylinder and a slurry tank are fixedly arranged on the driving vehicle, a connecting rod assembly is arranged at the output end of the hydraulic cylinder, the grouting mechanism comprises a sleeve, the sleeve is fixedly connected with the connecting rod assembly, a grouting outer pipe is connected in a sliding manner in the sleeve, a grouting inner pipe is fixedly connected in the grouting outer pipe, the grouting inner pipe is communicated with the slurry tank, a plurality of first unidirectional liquid outlet assemblies are arranged on the grouting outer pipe, a plurality of second unidirectional liquid outlet assemblies are arranged on the grouting inner pipe, a sectional conduction assembly is connected in the grouting outer pipe in a sliding manner through a first transmission assembly, and the sectional conduction assembly is positioned between the grouting inner pipe and the grouting outer pipe.

Inventors

CHANG ZHENCHAO
CHEN DEQIANG
LUO JUNHUI
WANG JIAQUAN
PAN ZHU
TAO XINYU
MO PENG
MENG TINGYU
WANG SHIHAI
ZHU MENGKE

Assignees

广西大学
广西北投交通养护科技集团有限公司

Dates

Publication Date: 20260508
Application Date: 20230517

Claims (10)

1. Layered roadbed segmentation slope slip casting construction equipment, its characterized in that includes: The device comprises a moving mechanism, wherein the moving mechanism comprises a driving vehicle (1), a hydraulic cylinder (2) and a slurry tank (3) are fixedly arranged on the driving vehicle (1), and a connecting rod assembly is arranged at the output end of the hydraulic cylinder (2); Grouting mechanism, grouting mechanism includes sleeve (6), sleeve (6) with link assembly rigid coupling, sliding connection has slip casting outer tube (4) in sleeve (6), the rigid coupling has slip casting inner tube (5) in slip casting outer tube (4), slip casting inner tube (5) with thick liquid case (3) intercommunication, be equipped with a plurality of first one-way play liquid subassembly of group second on slip casting outer tube (4), a plurality of first one-way play liquid subassembly with a plurality of second one-way play liquid subassembly one-to-one sets up, there is the segmentation to switch on the subassembly through first drive assembly sliding connection in slip casting outer tube (4), the segmentation switches on the subassembly and is located slip casting inner tube (5) with between slip casting outer tube (4), just the segmentation switches on the subassembly respectively with corresponding first one-way play liquid subassembly with second one-way play liquid subassembly can dismantle and be connected.
2. The layered roadbed sectional inclined grouting construction device according to claim 1, wherein the connecting rod assembly comprises a first arm rod (7), one end of the first arm rod (7) is hinged to an output shaft of the hydraulic cylinder (2), the other end of the first arm rod (7) is hinged to a second arm rod (8), one end, far away from the first arm rod (7), of the second arm rod (8) is fixedly connected with a supporting plate (9), the sleeve (6) is fixedly connected to one end, far away from the second arm rod (8), of the supporting plate (9), a first hydraulic rod (10) is hinged between the first arm rod (7) and the hydraulic cylinder (2), and a second hydraulic rod (11) is hinged between the second arm rod (8) and the first arm rod (7).
3. The layered roadbed sectional inclined grouting construction device according to claim 1, wherein the first unidirectional liquid outlet assembly comprises a plurality of first liquid outlet holes (12), the plurality of first liquid outlet holes (12) are circumferentially formed in the side wall of the grouting outer pipe (4), first grooves (13) are symmetrically formed in the top surface and the bottom surface of the first liquid outlet holes (12), first spring telescopic rods (14) are fixedly connected in the first grooves (13), first closing blocks (15) are fixedly connected at the telescopic ends of the first spring telescopic rods (14), the two first closing blocks (15) respectively extend into the first liquid outlet holes (12) and are detachably connected, and the end faces, close to the inner side walls of the grouting outer pipe (4), of the first closing blocks (15) are first inclined planes (16).
4. The layered roadbed sectional inclined grouting construction device according to claim 3, wherein the second unidirectional liquid outlet assembly comprises a plurality of second liquid outlet holes (17), the second liquid outlet holes (17) are arranged in one-to-one correspondence with the first liquid outlet holes (12), the second liquid outlet holes (17) are circumferentially formed in the side wall of the grouting inner pipe (5), second grooves (18) are symmetrically formed in the top surface and the bottom surface of the second liquid outlet holes (17), second spring telescopic rods (19) are fixedly connected in the second grooves (18), second closing blocks (20) are fixedly connected at the telescopic ends of the second spring telescopic rods (19), and the two second closing blocks (20) respectively extend into the second liquid outlet holes (17) and are detachably connected, and the end faces, close to the outer side wall of the grouting inner pipe (5), of the second closing blocks (20) are second inclined planes (21).
5. The device for the construction of the layered roadbed section inclined grouting according to claim 4, wherein the section conducting assembly comprises a section sealing ring (22), the section sealing ring (22) is slidably connected between the grouting outer pipe (4) and the grouting inner pipe (5), a plurality of through holes (23) are circumferentially formed in the side wall of the section sealing ring (22), the through holes (23) are correspondingly formed in the corresponding first liquid outlet holes (12) and second liquid outlet holes (17), telescopic communicating blocks (24) are symmetrically arranged in the through holes (23), the two communicating blocks (24) are communicated through a first telescopic pipe (25), the two communicating blocks (24) are detachably connected and communicated with the first liquid outlet holes (12) and the second liquid outlet holes (17) respectively, third inclined surfaces (26) are respectively formed in the top surface and the bottom surface of one end, which are away from the two communicating blocks (24), and the four third inclined surfaces (26) are detachably connected with the two first inclined surfaces (16) and the two second inclined surfaces (21) respectively.
6. The device for the sectional inclined grouting construction of the layered roadbed according to claim 5, wherein guide rings (27) are fixedly sleeved on the side walls of the two ends, close to each other, of the communication blocks (24), guide ring grooves (28) are symmetrically formed in the side walls of the through holes (23), the two guide rings (27) are respectively connected in the two guide ring grooves (28) in a one-to-one sliding mode, and a plurality of compression springs (29) are fixedly connected between the two guide ring grooves (27) and the end, close to each other, of the two guide ring grooves (28).
7. The layered roadbed sectional inclined grouting construction device according to claim 5, wherein the first transmission assembly comprises a first lead screw (30) and a limiting rod (31), the first lead screw (30) is rotationally connected in the grouting outer tube (4), the limiting rod (31) is fixedly connected in the grouting inner tube (5), a limiting through hole (32) and a threaded through hole (33) are respectively formed in the sectional sealing ring (22), the limiting rod (31) is slidably arranged in the limiting through hole (32), the first lead screw (30) is in threaded connection and penetrates through the threaded through hole (33), an output shaft of a first servo motor (34) is fixedly connected to the top end of the first lead screw (30), and the first servo motor (34) is fixedly arranged on the inner top wall of the grouting outer tube (4).
8. The layered roadbed sectional inclined grouting construction device according to claim 1, wherein a guide chute (35) is formed in the side wall of the sleeve (6), a sliding block (36) is connected in a sliding manner in the guide chute (35), one end of the sliding block (36) is fixedly connected with the side wall of the top end of the grouting outer pipe (4), the other end of the sliding block (36) extends out of the guide chute (35) and is fixedly connected with a screw nut (37), a second screw (38) is connected with the screw nut (37) in a transmission manner, two ends of the outer wall of the sleeve (6) are fixedly connected with connecting plates (39) respectively, a second servo motor (40) is fixedly installed on any connecting plate (39), one end of the second screw (38) is fixedly connected with an output shaft of the second servo motor (40), and the other end of the second screw is rotatably connected with the other connecting plate (39).
9. The layered roadbed sectional inclined grouting construction device according to claim 2, wherein the top end of the grouting inner pipe (5) extends out of the grouting outer pipe (4) and is fixedly connected and communicated with a second telescopic pipe (41), one end, far away from the grouting inner pipe (5), of the second telescopic pipe (41) extends out of the sleeve (6) and is fixedly connected and communicated with an output end of a feed pump (42), the feed pump (42) is fixedly installed on the supporting plate (9), and the input end of the feed pump (42) is communicated with the slurry tank (3) through a third telescopic pipe (43).
10. The construction method for the sectional inclined grouting of the layered roadbed is based on the construction device for the sectional inclined grouting of the layered roadbed according to any one of claims 1 to 9, and is characterized by comprising the following steps: step one, obtaining disease depth and horizontal coordinates, and exploring the rock-soil characteristics of different depths of roadbed; Step two, determining the position, the horizontal inclination angle and the depth of the grouting hole; Thirdly, drilling grouting holes, and drilling to a designed depth according to design requirements; And fourthly, after the hole inspection, injecting quick-setting sealing slurry into the hole after the hole depth and the incident angle meet the design requirements, and then immediately extending the grouting outer pipe (4) into the grouting hole, and carrying out sectional grouting after the sealing slurry is set.

Description

Layered roadbed sectional inclined grouting construction device and method Technical Field The invention belongs to the technical field of road administration construction, and particularly relates to a layered roadbed sectional inclined grouting construction device and method. Background At present, most of the conventional roadbed grouting technologies are to seal traffic first, then drill grouting holes in the roadbed vertically on the road surface, and then insert grouting pipes to perform roadbed grouting. The permeability difference of filling materials of different layers of roadbeds is generally not considered, and for roadbed fillers with different permeabilities, the diffusion range of slurry is different, and full-length grouting is performed according to the depth range of grouting holes, so that the diffusion range of slurry in different layers is different, the effective reinforcing area of roadbed grouting is uneven, and the roadbed reinforcing effect is affected. In addition, because the holes are drilled and grouting is carried out on the pavement, traffic is closed, the pavement structure is damaged, the road traffic is influenced, the pavement structure is damaged, and the durability of the pavement is reduced. Disclosure of Invention In order to solve the technical problems, the invention provides a layered roadbed sectional inclined grouting construction device and a layered roadbed sectional inclined grouting construction method, and aims to solve or improve at least one of the technical problems. In order to achieve the above object, the present invention provides a layered roadbed section inclined grouting construction device, comprising: The device comprises a moving mechanism, a driving mechanism and a slurry tank, wherein the moving mechanism comprises a driving vehicle, a hydraulic cylinder and a slurry tank are fixedly arranged on the driving vehicle, and a connecting rod assembly is arranged at the output end of the hydraulic cylinder; Grouting mechanism, grouting mechanism includes the sleeve, the sleeve with link assembly rigid coupling, sliding connection has the slip casting outer tube in the sleeve, the rigid coupling has the slip casting inner tube in the slip casting outer tube, the slip casting inner tube with the thick liquid case intercommunication, be equipped with a plurality of first one-way play liquid subassemblies on the slip casting outer tube, be equipped with a plurality of group second one-way play liquid subassemblies on the slip casting inner tube, a plurality of first one-way play liquid subassemblies with a plurality of second one-way play liquid subassemblies one-to-one sets up, it switches on the subassembly to have the segmentation through first drive assembly sliding connection in the slip casting outer tube, the segmentation switches on the subassembly and is located the slip casting inner tube with between the slip casting outer tube, just the segmentation switches on the subassembly respectively with corresponding first one-way play liquid subassembly with second one-way play liquid subassembly can dismantle the connection. Preferably, the connecting rod assembly comprises a first arm rod, one end of the first arm rod is hinged to an output shaft of the hydraulic cylinder, the other end of the first arm rod is hinged to a second arm rod, one end, far away from the first arm rod, of the second arm rod is fixedly connected with a supporting plate, the sleeve is fixedly connected with one end, far away from the second arm rod, of the supporting plate, a first hydraulic rod is hinged between the first arm rod and the hydraulic cylinder, and a second hydraulic rod is hinged between the second arm rod and the first arm rod. Preferably, the first unidirectional liquid outlet assembly comprises a plurality of first liquid outlet holes, the grouting outer tube side wall is circumferentially arranged in the plurality of first liquid outlet holes, first grooves are symmetrically arranged on the top surface and the bottom surface of the first liquid outlet holes, first spring telescopic rods are fixedly connected in the first grooves, first closing blocks are fixedly connected at the telescopic ends of the first spring telescopic rods, the two first closing blocks respectively extend into the first liquid outlet holes and are detachably connected, and the end faces, close to the inner side wall of the grouting outer tube, of the first closing blocks are first inclined planes. Preferably, the second unidirectional liquid outlet assembly comprises a plurality of second liquid outlet holes, the second liquid outlet holes are in one-to-one correspondence with the first liquid outlet holes, the second liquid outlet holes are circumferentially formed in the side wall of the grouting inner pipe, second grooves are symmetrically formed in the top surface and the bottom surface of the second liquid outlet holes, second spring telescopic rods are fixedly connected in t