CN112647995A

CN112647995A - Grouting equipment for shield tunnel construction

Info

Publication number: CN112647995A
Application number: CN202011619238.4A
Authority: CN
Inventors: 李立华; 张暖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-13
Anticipated expiration: 2040-12-30
Also published as: CN112647995B

Abstract

The invention relates to the technical field of grouting equipment, in particular to grouting equipment for shield tunnel construction, which comprises a movable frame and a plurality of grouting pumps, wherein the movable frame is connected with a back bucket, the grouting pumps are all arranged in the back bucket, a plurality of stirring devices are arranged in the back bucket, the grouting pumps are communicated with the stirring devices, the movable frame is connected with a grouting replacing device and a grout lifting pipe, the grouting replacing device is communicated with a plurality of grout inlet pipes, the grout inlet pipes are communicated with the grouting pumps, the grout lifting pipe is connected with the grouting replacing device, the grout lifting pipe is communicated with the grouting replacing device, the movable frame is provided with a driving device and a folding lifting mechanism, the folding lifting mechanism is provided with an operation bucket, the operation bucket is connected with a stabilizing frame and a horizontally-opening door, two stabilizing devices and two elastic mechanisms are respectively arranged between the operation bucket and the horizontally-opening door, the horizontally-opening door is provided with a strip-shaped hole, and, The efficiency is higher, and the limitation is lower, and the slurry conversion of different concentrations is comparatively nimble, comparatively practical.

Description

Grouting equipment for shield tunnel construction

Technical Field

The invention relates to the technical field of grouting equipment, in particular to grouting equipment for shield tunnel construction.

Background

As is well known, grouting equipment for shield tunnel construction is an auxiliary device used in the process of tunnel construction to perform grouting construction of a tunnel so as to facilitate tunnel construction and use safety, and is widely used in the process of shield tunnel grouting construction.

The existing grouting equipment for tunnel construction comprises a grouting pump and a stirring tank, wherein the grouting pump is communicated with the stirring tank, the output end of the grouting pump is communicated with a grouting pipe, when the grouting equipment is used, firstly, a tunnel is punched and an anchor pipe is installed, then, a control valve is installed on the anchor pipe, the grouting pipe is communicated with the control valve, the stirring tank is started, stirred slurry is placed in the stirring tank, the control valve is opened, the grouting pump is started, the grouting pump extracts the slurry in the stirring tank and injects the slurry into the grouting pipe in a pressurized manner, and the slurry in the grouting pipe is injected into the anchor pipe through the control valve, so that the grouting construction of the tunnel is realized.

However, the prior art scheme still has the following defects that the tunnel grouting effect is poor, the tunnel construction safety is low, the grouting efficiency is low, the use limitation is high, and the practicability is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides grouting equipment for shield tunnel construction, which has the advantages of better tunnel grouting effect, safer tunnel construction, higher grouting efficiency, lower use limitation, more flexible conversion of slurries with different concentrations and better practicability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a grouting device for shield tunnel construction comprises a plurality of grouting pumps and a movable frame, wherein a back hopper is fixedly connected at the right end of the movable frame, the grouting pumps are all installed in the back hopper, an inclined bracket is fixedly connected in the back hopper, a plurality of stirring devices are arranged on the inclined bracket, the grouting pumps are communicated with the stirring devices, a grout changing device is connected onto the movable frame through supporting blocks, a plurality of grout inlet pipes are communicated with the grout inlet pumps, a grout lifting pipe is connected onto the movable frame through a supporting plate and is rotatably connected with the grout changing device, the grout lifting pipe is communicated with the grout changing device, a driving device matched with the grout changing device is installed on the movable frame, a folding lifting mechanism is installed in the movable frame, an operation hopper is installed on the folding lifting mechanism, two stabilizing devices are installed between the operation hopper and the folding lifting mechanism, the operation bucket is fixedly connected with a stabilizing frame matched with the slurry lifting pipe, the operation bucket is rotatably connected with a vertical hinged door, two elastic mechanisms are arranged between the vertical hinged door and the operation bucket, a strip-shaped hole is formed in the vertical hinged door, the slurry changing device comprises a circular support, the circular support is fixedly connected with a supporting block, a plurality of slurry inlet pipes are fixedly connected in the circular support, the left end of the circular support is rotatably connected with a slurry changing frame, a slurry through hole is formed in the slurry changing frame, the slurry through hole is communicated with the slurry lifting pipe, the folding lifting mechanism comprises a primary rotating frame, the primary rotating frame is rotatably connected with the movable frame, two primary rotating telescopic rods are connected between the primary rotating frame and the movable frame, a secondary rotating frame is connected with the primary rotating frame, and a secondary telescopic rod is arranged between the secondary rotating frame and the primary rotating frame, the second-stage rotating frame is connected with two mechanical telescopic arms, and the two mechanical telescopic arms are connected with the operation bucket through connecting shafts.

Preferably, the stabilizing device comprises a stabilizing motor and a bevel gear, the stabilizing motor is installed on the operation bucket, the bevel gear is fixedly connected with the connecting shaft, the output end of the stabilizing motor is fixedly connected with a bevel gear, and the bevel gear is meshed with the bevel gear.

Preferably, the elastic mechanism comprises a cross rod and two fixing rods, the cross rod is arranged in the strip-shaped hole, the two fixing rods are fixedly connected with the operation bucket, the cross rod is connected with two elastic springs, and the two elastic springs are respectively connected with the two fixing rods.

Preferably, two round holes are formed in the cross rod, and a round door rod is connected in the two round holes in a sliding mode.

Preferably, the bottom end of the round door rod is fixedly connected with two limiting columns.

Preferably, the driving device comprises a servo motor, the servo motor is installed on the movable frame, the output end of the servo motor is fixedly connected with a driving wheel, and the driving wheel is matched with the pulp changing frame.

Preferably, the movable frame is fixedly connected with two limiting blocks matched with the primary rotating frame.

Preferably, the operation bucket is fixedly connected with two protective covers matched with the stabilizing motor.

Preferably, the first-stage rotating frame is fixedly connected with two limiting plates matched with the second-stage rotating frame.

Preferably, an arch cover is fixedly connected to the moving frame.

(III) advantageous effects

Compared with the prior art, the invention provides grouting equipment for shield tunnel construction, which has the following beneficial effects:

1. this grouting equipment for shield tunnel construction, through a plurality of agitating unit respectively with the intercommunication of a plurality of grouting pumps, be convenient for realize the beating of the thin paste of different concentrations, thereby be convenient for select the thin paste of different concentrations according to the field conditions of the different slip casting points in tunnel, the thick order slip casting of earlier rare back of the slip casting point of being convenient for simultaneously, tunnel grouting effect is better, tunnel construction is comparatively safe.

2. This slip casting equipment for shield tunnel construction through the back of the body fill with being connected of moving vehicle frame, the removal of the agitating unit of being convenient for and grouting pump to the different places carry out the slip casting in the tunnel of being convenient for, use comparatively in a flexible way, through the connection of moving vehicle frame, one-level rotating turret and second grade rotating turret, be convenient for to the slip casting of the slip casting point of different altitude positions in the tunnel, use the limitation lower, slip casting efficiency is higher.

3. This grouting equipment for shield tunnel construction is connected through the rotation of circular support and trade thick liquid frame, and the thick liquid riser of being convenient for communicates with the conversion between a plurality of grout pipes that advance to be convenient for the conversion of different concentration thin pastes, the thin paste conversion of slip casting is more nimble, and the practicality is better.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged partial view of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D according to the present invention;

FIG. 6 is an enlarged partial view of FIG. 1 at E;

fig. 7 is a schematic perspective view of the present invention.

Fig. 8 is a schematic perspective view of the overall rear side view of the present invention.

In the figure: 1. grouting pump; 2. moving the frame; 3. carrying out back bucket; 4. an inclined bracket; 5. a stirring device; 6. a support block; 7. a pulp inlet pipe; 8. a support plate; 9. a slurry riser; 10. an operation bucket; 11. a stabilizer frame; 12. a side hung door; 13. a circular support; 14. changing the pulp rack; 15. a first-stage rotating frame; 16. a first-stage telescopic rod; 17. a second-stage rotating frame; 18. a secondary telescopic rod; 19. a mechanical telescopic arm; 20. a connecting shaft; 21. stabilizing the motor; 22. a bevel gear; 23. a bevel gear; 24. a cross bar; 25. fixing the rod; 26. an elastic spring; 27. a circular door rod; 28. a limiting column; 29. a servo motor; 30. a drive wheel; 31. a limiting block; 32. a protective cover; 33. a limiting plate; 34. an arch cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-8, a grouting apparatus for shield tunnel construction comprises a plurality of grouting pumps 1, and further comprises a moving vehicle frame 2, a back hopper 3 is fixedly connected to the right end of the moving vehicle frame 2, the plurality of grouting pumps 1 are all installed in the back hopper 3, an inclined bracket 4 is fixedly connected to the back hopper 3, a plurality of stirring devices 5 are arranged on the inclined bracket 4, and the stirring devices 5 and the grouting pumps 1 are convenient to move, so that grouting can be conveniently performed at different places in a tunnel, the use is flexible, the grouting pumps 1 are communicated with the stirring devices 5, so as to realize the pressurizing of thin slurry with different concentrations, so as to conveniently select thin slurry with different concentrations according to the field conditions of different grouting points of the tunnel, and simultaneously facilitate the sequential grouting of the grouting points from thin to thick, the grouting effect of the tunnel is good, the tunnel construction is safe, a grouting device is connected to the moving vehicle frame 2 through a supporting block 6, a plurality of grouting pipes 7 are communicated to the grouting device, the slurry inlet pipe 7 is communicated with the grouting pump 1, the movable frame 2 is connected with a slurry lifting pipe 9 through a supporting plate 8, the slurry lifting pipe 9 is rotatably connected with the slurry changing device, the slurry lifting pipe 9 is communicated with the slurry changing device, the movable frame 2 is provided with a driving device matched with the slurry changing device, the driving device comprises a servo motor 29, the servo motor 29 is arranged on the movable frame 2, the output end of the servo motor 29 is fixedly connected with a driving wheel 30, the driving wheel 30 is matched with the slurry changing frame 14 so as to drive the slurry changing frame 14 to rotate, the movable frame 2 is practical, a folding lifting mechanism is arranged in the movable frame 2, an operation bucket 10 is arranged on the folding lifting mechanism, two stabilizing devices are arranged between the operation bucket 10 and the folding lifting mechanism, each stabilizing device comprises a stabilizing motor 21 and a bevel gear 22, the stabilizing motor 21 is arranged on the operation bucket 10, and the, the output end of the stabilizing motor 21 is fixedly connected with a bevel gear 23, the bevel gear 23 is meshed with a bevel gear 22, the angle between the operation bucket 10 and the mechanical telescopic arm 19 is convenient to stabilize, and the use is safe.

It should be further noted that, a stabilizing frame 11 matched with the slurry riser 9 is fixedly connected to the operation bucket 10, the operation bucket 10 is rotatably connected with a vertical hinged door 12, a strip-shaped hole is formed in the vertical hinged door 12, two elastic mechanisms are installed between the vertical hinged door 12 and the operation bucket 10, each elastic mechanism comprises a cross rod 24 and two fixed rods 25, the cross rod 24 is arranged in the strip-shaped hole, each fixed rod 25 is fixedly connected with the operation bucket 10, the cross rod 24 is connected with two elastic springs 26, the two elastic springs 26 are respectively connected with the two fixed rods 25, so as to facilitate the opening and limiting of the vertical hinged door 12 and the closing of the vertical hinged door 12, the slurry changing device is practical, the slurry changing device comprises a circular bracket 13, the circular bracket 13 is fixedly connected with a supporting block 6, a plurality of slurry inlet pipes 7 are fixedly connected in the circular bracket 13, the left end of the circular bracket 13 is rotatably connected with a slurry changing frame 14, so as to, thereby be convenient for the conversion of different concentration thin pulps, the thin pulp conversion of slip casting is more nimble, the practicality is better, it leads to the thick liquid hole to have seted up in the frame 14 to trade, lead to thick liquid hole and thick liquid riser 9 intercommunication, folding elevating system includes one-level rotating turret 15, one-level rotating turret 15 rotates with moving vehicle frame 2 and is connected, be connected with two one-level telescopic links 16 between one-level rotating turret 15 and the moving vehicle frame 2, the 15 internal rotation of one-level rotating turret is connected with second grade rotating turret 17, be convenient for to the slip casting of the slip casting point of different high positions in the tunnel, use limitation is lower, slip casting efficiency is higher, install second grade telescopic link 18 between second grade rotating turret 17 and the one-level rotating turret 15, second grade rotating turret 17 is connected with two mechanical telescopic arms 19, two mechanical telescopic arms 19 all are fou.

It should be further noted that, two round holes are opened on the cross bar 24, the round door rod 27 is slidably connected in the two round holes, which is convenient for pulling the cross bar 24, and is more practical, the bottom end of the round door rod 27 is fixedly connected with two limit posts 28, which is convenient for limiting the position of the round door rod 27, thereby being convenient for avoiding pulling out the round door rod 27, and is more practical, two limit blocks 31 matched with the primary rotating frame 15 are fixedly connected on the moving frame 2, which is convenient for limiting the limit position of the primary rotating frame 15, and is more practical, two protective covers 32 matched with the stabilizing motor 21 are fixedly connected on the operation bucket 10, which is convenient for improving the protective effect of the stabilizing motor 21, the protective performance of the stabilizing motor 21 is better, two limit plates 33 matched with the secondary rotating frame 17 are fixedly connected on the primary rotating frame 15, which is convenient for limiting the limit position of the secondary rotating, the movable frame 2 is fixedly connected with the arched cover 34, so that the slurry changing device and the driving device can be conveniently protected, and the use is safe.

The grouting pump 1, the primary telescopic rod 16, the secondary telescopic rod 18, the mechanical telescopic arm 19, the stabilizing motor 21 and the servo motor 29 are conventional devices which are purchased from the market and are well known to those skilled in the art, the model of the grouting pump 1 is dlx-80/110, the model of the primary telescopic rod 16 is TJC-C4, the model of the secondary telescopic rod 18 is FSL80, the model of the mechanical telescopic arm 19 is DDA200, and the models of the stabilizing motor 21 and the servo motor 29 are YRF60-L1, which are used in the patent only and are not improved in structure and function, and the setting mode, the installation mode and the electrical connection mode are set, and for those skilled in the art, as long as debugging operation is performed according to the requirements of the use specification, no repeated description is given here, and the grouting pump 1, the primary telescopic rod 16, the secondary telescopic rod 18, the mechanical telescopic arm 19, the model of the grouting pump 1, the primary telescopic rod 16, the, The stabilizing motor 21 and the servo motor 29 are both provided with control switches matched with the stabilizing motor 21 and the servo motor 29, the installation positions of the control switches are selected according to actual use requirements, so that an operator can conveniently perform operation control, for forward and reverse rotation of the stabilizing motor 21 and the servo motor 29, the forward and reverse rotation of the motor is known as a known technology of a person skilled in the art according to a patent with a patent number of CN109889124A, the technology of the forward and reverse rotation of the motor is mature and can be realized, and the description of the forward and reverse rotation is omitted.

In summary, the working principle and working process of the grouting equipment for shield tunnel construction are that, when in use, firstly, a hole is drilled at a place needing grouting in a tunnel, an anchor pipe is installed on the anchor pipe, then the stirring device 5 is started, slurry with different concentrations is respectively put into the stirring devices 5, the grouting equipment for shield tunnel construction is moved to the place needing grouting in the tunnel through the movable frame 2, an operator enters the operation hopper 10, the stabilizing motor 21, the primary telescopic rod 16 and the secondary telescopic rod 18 are started, after the operation hopper 10 is moved to the place needing grouting, the slurry lifting pipe 9 is communicated with the control valve, the control valve is opened, the grouting pump 1 is started, grouting in the tunnel is realized, when slurry with different concentrations needs to be replaced, the control valve and the grouting pump 1 are closed, the servo motor 29 is started, the servo motor 29 is matched with the slurry changing frame 14 through the driving wheel 30, the grouting pipes with different concentrations are communicated with the slurry lifting pipe 9, so that conversion of slurries with different concentrations is realized, the use is flexible, and the practicability is good.

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

Claims

1. The utility model provides a shield constructs slip casting equipment for tunnel construction, includes a plurality of grouting pumps (1), its characterized in that: the slurry filling machine is characterized by further comprising a moving vehicle frame (2), the right end of the moving vehicle frame (2) is fixedly connected with a back hopper (3), a plurality of slurry filling pumps (1) are all installed in the back hopper (3), an inclined support (4) is fixedly connected in the back hopper (3), a plurality of stirring devices (5) are arranged on the inclined support (4), the slurry filling pumps (1) are communicated with the stirring devices (5), the moving vehicle frame (2) is connected with a slurry changing device through supporting blocks (6), the slurry changing device is communicated with a plurality of slurry inlet pipes (7), the slurry inlet pipes (7) are communicated with the slurry filling pumps (1), the moving vehicle frame (2) is connected with slurry lifting pipes (9) through supporting plates (8), the slurry lifting pipes (9) are rotatably connected with the slurry changing device, the slurry lifting pipes (9) are communicated with the slurry changing device, and a driving device matched with the slurry changing device is installed on the moving vehicle frame (2), a folding lifting mechanism is installed in the movable frame (2), an operation hopper (10) is installed on the folding lifting mechanism, two stabilizing devices are installed between the operation hopper (10) and the folding lifting mechanism, a stabilizing frame (11) matched with the slurry lifting pipe (9) is fixedly connected to the operation hopper (10), a vertical hinged door (12) is rotatably connected to the operation hopper (10), two elastic mechanisms are installed between the vertical hinged door (12) and the operation hopper (10), a strip-shaped hole is formed in the vertical hinged door (12), the slurry changing device comprises a circular support (13), the circular support (13) is fixedly connected with a support block (6), a plurality of slurry inlet pipes (7) are fixedly connected to the inside of the circular support (13), a slurry changing frame (14) is rotatably connected to the left end of the circular support (13), and a slurry through hole is formed in the slurry changing frame (14), the through-hole with thick liquid riser (9) intercommunication, folding elevating system includes one-level rotating turret (15), one-level rotating turret (15) with remove frame (2) and rotate and connect, be connected with two one-level telescopic links (16) between one-level rotating turret (15) and the removal frame (2), one-level rotating turret (15) internal rotation is connected with second grade rotating turret (17), install second grade telescopic link (18) between second grade rotating turret (17) and one-level rotating turret (15), second grade rotating turret (17) are connected with two mechanical telescopic arm (19), two mechanical telescopic arm (19) all are connected with operation fill (10) through connecting axle (20).

2. The grouting equipment for shield tunnel construction according to claim 1, characterized in that: the stabilizing device comprises a stabilizing motor (21) and a bevel gear (22), the stabilizing motor (21) is installed on the operation bucket (10), the bevel gear (22) is fixedly connected with the connecting shaft (20), the output end of the stabilizing motor (21) is fixedly connected with a bevel gear (23), and the bevel gear (23) is meshed with the bevel gear (22).

3. The grouting equipment for shield tunnel construction according to claim 2, characterized in that: the elastic mechanism comprises a cross rod (24) and two fixing rods (25), the cross rod (24) is arranged in the strip-shaped hole, the two fixing rods (25) are fixedly connected with the operation bucket (10), the cross rod (24) is connected with two elastic springs (26), and the two elastic springs (26) are respectively connected with the two fixing rods (25).

4. The grouting equipment for shield tunnel construction according to claim 3, characterized in that: two round holes are formed in the cross rod (24), and a round door rod (27) is connected in the two round holes in a sliding mode.

5. The grouting equipment for shield tunnel construction according to claim 4, characterized in that: the bottom end of the round door rod (27) is fixedly connected with two limiting columns (28).

6. The grouting equipment for shield tunnel construction according to claim 5, characterized in that: the driving device comprises a servo motor (29), the servo motor (29) is installed on the movable frame (2), the output end of the servo motor (29) is fixedly connected with a driving wheel (30), and the driving wheel (30) is matched with the pulp changing frame (14).

7. The grouting equipment for shield tunnel construction according to claim 6, characterized in that: two limiting blocks (31) matched with the first-stage rotating frame (15) are fixedly connected to the moving frame (2).

8. The grouting equipment for shield tunnel construction according to claim 7, characterized in that: two protective covers (32) matched with the stabilizing motor (21) are fixedly connected to the operation bucket (10).

9. The grouting equipment for shield tunnel construction according to claim 8, characterized in that: and the primary rotating frame (15) is fixedly connected with two limiting plates (33) matched with the secondary rotating frame (17).

10. The grouting equipment for shield tunnel construction according to claim 9, characterized in that: an arch cover (34) is fixedly connected to the movable frame (2).