CN214532996U

CN214532996U - Shallow buried underground excavation tunnel curtain grouting auxiliary device

Info

Publication number: CN214532996U
Application number: CN202120853182.2U
Authority: CN
Inventors: 陈帅; 王玉山; 张鹏; 刘荣伟; 闫利东; 阎文鹏; 齐禄; 石慧杰; 陈凌旭; 何帅
Original assignee: Beijing Municipal No3 Construction Project Co ltd
Current assignee: Beijing Municipal No3 Construction Project Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-10-29
Anticipated expiration: 2031-04-24

Abstract

The application relates to the field of tunnel grouting, in particular to a shallow-buried underground excavation tunnel curtain grouting auxiliary device, which comprises a vehicle body and a material placing barrel arranged on the vehicle body, wherein the top of the material placing barrel is provided with an opening, the material placing barrel is internally provided with a stirring device and is connected with a slurry pumping device for pumping slurry in the material placing barrel, the vehicle body is provided with a feeding device, the feeding device comprises a shovel hopper, a supporting rod and a rotating assembly for driving the supporting rod to rotate from a horizontal state to a vertical state, the shoveling hopper is fixedly connected with a supporting rod, the supporting rod is rotatably connected with the vehicle body, the shoveling hopper is provided with a feeding port and a discharging port for leading the raw materials in the hopper to fall into the material placing barrel, the material outlet is provided with a baffle for plugging the material outlet, the baffle is hinged with the shovel hopper, and the baffle is provided with a closing member for controlling the opening of the baffle. This application has the effect that makes things convenient for the raw materials to add.

Description

Shallow buried underground excavation tunnel curtain grouting auxiliary device

Technical Field

The application relates to the field of tunnel grouting, in particular to a shallow-buried underground excavation tunnel curtain grouting auxiliary device.

Background

During tunnel construction, a vertical shaft extending downwards needs to be excavated on the ground, then the tunnel is excavated through the vertical shaft, when the vertical shaft is influenced by underground water, water-stopping grouting construction needs to be carried out before the vertical shaft is excavated, and a curtain grouting method is adopted for water-stopping grouting. Curtain grouting refers to pouring grout into cracks and pores of a rock body or a soil body to form a continuous waterproof curtain. And grouting by using a curtain to enable the slurry and soil outside the vertical shaft to form a composite waterproof shell so as to reduce the phenomena of vertical shaft collapse and water collection. The grouting raw materials mainly comprise cement and water, and during grouting, the raw materials need to be stirred by stirring equipment, and then the stirred slurry is sent out.

For example, chinese patent publication No. CN209942841U discloses a grouting machine for tunnel construction, which comprises a base, a stirring box disposed on the base, and a hopper disposed on the stirring box, wherein raw materials are put into the stirring box through the hopper.

In view of the above-mentioned related technologies, the inventor believes that there are the following defects that the raw material needs to be replenished by a user for many times, and the raw material is difficult to be carried to the hopper, which makes the operation inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to facilitate raw material addition, the application provides shallow undercut tunnel curtain slip casting auxiliary device that buries.

The application provides a shallow secret tunnel curtain slip casting auxiliary device that digs adopts following technical scheme:

shallow tunnel curtain slip casting auxiliary device that secretly digs that buries, including automobile body and the storage bucket of setting on the automobile body, the top of putting the storage bucket is provided with the opening, be provided with agitating unit in putting the storage bucket, it is connected with the thick liquid device of taking out that is used for putting the interior thick liquid of storage bucket to take, be provided with loading attachment on the automobile body, loading attachment includes shovel hopper, bracing piece and is used for driving the bracing piece and rotates to the rotating assembly of vertical state from the horizontality, shovel hopper and bracing piece fixed connection, the bracing piece rotates with the automobile body to be connected, the shovel hopper is provided with the pan feeding mouth and is used for making the raw materials in the hopper drop the discharge gate in putting the storage bucket, discharge gate department is provided with the baffle that is used for the shutoff discharge gate, the baffle is articulated with shovel hopper, be provided with the closure member that is used for controlling the baffle to open on the baffle.

By adopting the technical scheme, the raw materials are placed on the ground, the vehicle body is moved to enable the shovel hopper to shovel the raw materials, the supporting rod is driven to rotate to the vertical state from the horizontal state, so that the shovel hopper is placed above the opening, and in the process, the closing part enables the baffle to keep a state of covering the discharge opening, so that the phenomenon that the raw materials are spilled out when the shovel hopper moves is reduced; when the shovel hopper moves to the discharge port and is arranged above the opening, the closing part enables the baffle to be opened, so that materials in the shovel hopper fall into the material placing barrel, water is added into the material placing barrel, the materials are stirred by the stirring device to form slurry, and the slurry is pumped out by the slurry pumping device.

Preferably, the shovel hopper is provided with a bottom plate for abutting against the ground.

Through adopting above-mentioned technical scheme, the bottom plate of shovel hopper and ground butt under the horizontality make things convenient for shovel hopper to shovel subaerial material.

Preferably, the automobile body includes the base, it puts the thing chamber to open in the base, agitating unit package stirring subassembly and drive stirring subassembly pivoted drive assembly, drive assembly installs and puts the thing intracavity, the stirring subassembly is arranged in and is put the storage bucket.

Through adopting above-mentioned technical scheme, drive assembly drive stirring subassembly rotates, and stirring subassembly mixes raw materials in to the storage bucket

Preferably, the stirring assembly comprises a stirring rod vertically arranged on the base and a plurality of stirring blades fixedly arranged on the stirring rod, and the stirring rod is rotatably connected with the base.

Through adopting above-mentioned technical scheme to reach the purpose that raw materials stir in the opposition storage bucket.

Preferably, the closing part is provided with an electric push rod, one end of the closing part is hinged with the shovel hopper, and the other end of the closing part is hinged with the baffle.

By adopting the technical scheme, the purpose of controlling the opening and closing of the baffle is achieved.

Preferably, the closure further comprises a control module for controlling operation of the closure, the control module comprising:

the trigger piece is used for detecting whether the supporting rod moves to a vertical state or not and outputting a detection signal;

and the control unit is used for receiving the detection signal sent by the trigger piece and controlling the closing piece to stretch and retract so as to open the baffle.

Through adopting above-mentioned technical scheme, when the trigger piece detects that the bracing piece is in vertical state, output detected signal to the control unit, the control unit control closure member extension, and then makes the baffle open, realizes the purpose of automatic unloading.

Preferably, the trigger is provided as a fiber optic sensor.

Through adopting above-mentioned technical scheme, optical fiber sensor is used for detecting whether the bracing piece removes to vertical state.

Preferably, the rotating assembly comprises a first gear, a second gear and a rotating part for driving the first gear to rotate, the second gear is fixed with the supporting rod, and the first gear is meshed with the second gear.

Through adopting above-mentioned technical scheme to reach the purpose that the drive bracing piece rotated to vertical state from the horizontality.

Drawings

FIG. 1 is a schematic overall structure diagram of a shallow excavation tunnel curtain grouting auxiliary device in an embodiment of the application.

FIG. 2 is a schematic sectional view showing a driving assembly in the shallow excavation tunnel curtain grouting auxiliary device according to the embodiment of the application.

FIG. 3 is a schematic structural diagram of a shovel hopper in the shallow excavation tunnel curtain grouting auxiliary device according to the embodiment of the application.

FIG. 4 is a schematic structural diagram of a baffle and a closing member in the shallow excavation tunnel curtain grouting auxiliary device in the embodiment of the application.

FIG. 5 is a connection block diagram of a control module in the shallow excavation tunnel curtain grouting auxiliary device according to the embodiment of the application.

Reference numerals: 1. a vehicle body; 10. a base; 100. a push rod; 101. a storage cavity; 102. a storage battery; 11. a wheel; 2. placing a material barrel; 20. an opening; 3. a stirring device; 30. a stirring assembly; 300. a stirring rod; 301. a stirring blade; 31. a drive assembly; 310. a driving wheel; 311. a driven wheel; 312. a belt; 313. a drive member; 4. a feeding device; 40. shoveling a hopper; 400. a base plate; 401. a top plate; 4010. a straight portion; 4011. an inclined portion; 402. a side plate; 403. a feeding port; 404. a discharge port; 405. a baffle plate; 406. a closure member; 407. a connecting rod; 41. a support bar; 42. a rotating assembly; 420. a first gear; 421. a second gear; 422. a rotating member; 5. a slurry pumping device; 50. a suction pump; 51. a slurry inlet pipe; 52. a pulp outlet pipe; 6. a trigger; 7. a control unit; 70. a controller; 71. a drive circuit; KM and a relay.

Detailed Description

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

The embodiment of the application discloses shallow secret tunnel curtain slip casting auxiliary device that digs that buries. Referring to fig. 1 and 2, the shallow excavation tunnel curtain grouting auxiliary device comprises a vehicle body 1 and a material placing barrel 2 arranged on the vehicle body 1, wherein the vehicle body 1 comprises a base 10 and four wheels 11, the wheels 11 are rotatably supported on the side wall of the base 10, the wheels 11 are abutted to the ground, and a push rod 100 is further arranged on the base 10. Put storage bucket 2 and install on base 10, the top of putting storage bucket 2 is provided with opening 20, is provided with agitating unit 3 in putting storage bucket 2, is provided with loading attachment 4 on the base 10, and loading attachment 4 is used for sending the raw materials to putting storage bucket 2 from subaerial, and agitating unit 3 is used for stirring mixed raw materials to form the thick liquid, still is provided with on the base 10 and takes out thick liquid device 5, takes out thick liquid device 5 and is used for taking out the mixed thick liquid of putting storage bucket 2 and sees off.

Referring to fig. 2, agitating unit 3 includes stirring subassembly 30 and drive assembly 31, and stirring subassembly 30 sets up in putting storage bucket 2, has seted up in the base 10 and has put thing chamber 101, and drive assembly 31 installs in putting thing chamber 101, and drive assembly 31 is used for driving stirring subassembly 30 and rotates, and stirring subassembly 30 rotates the stirring and puts the raw materials in storage bucket 2.

Referring to fig. 2, stirring assembly 30 includes puddler 300 and a plurality of stirring vane 301, the vertical setting of puddler 300 is at the upper surface of base 10, puddler 300 rotates with base 10 to be connected, the roof 401 that puddler 300 one end runs through base 10 stretches into and puts the thing chamber 101 in, stirring vane 301 is fixed to be set up on puddler 300, a plurality of stirring vane 301 are even along the circumferencial direction of puddler 300 cross section, the interval sets up, and stirring vane 301 sets up to the multirow along the length direction of puddler 300.

Referring to fig. 2, the driving assembly 31 includes a driving wheel 310, a driven wheel 311, a belt 312 and a driving member 313, the driving member 313 is configured as a motor, the driving wheel 310 is fixedly sleeved on an output shaft of the driving member 313, the driven wheel 311 is fixedly sleeved on the stirring rod 300, the belt 312 is tightly sleeved on the driving wheel 310 and the driven wheel 311, the driving member 313 rotates, the driving wheel 310 drives the belt 312 to drive the driven wheel 311 to rotate, so that the stirring rod 300 rotates, and the storage battery 102 for supplying power to the driving member 313 is disposed in the storage cavity 101.

Referring to fig. 1, the feeding device 4 includes a shovel hopper 40, a supporting rod 41 and a rotating assembly 42, one end of the supporting rod 41 is fixed to the shovel hopper 40, the other end of the supporting rod is fixedly provided with a rotating shaft in a penetrating manner, the rotating shaft is rotatably connected to the base 10, so that the supporting rod 41 is rotatably connected to the base 10, the rotating assembly 42 is installed on the base 10, and the rotating assembly 42 is used for driving the rotating shaft to rotate.

Referring to fig. 3 and 4, shovel hopper 40 includes bottom plate 400, roof 401 and two curb plates 402, bottom plate 400 level sets up, curb plate 402 is vertical to be fixed on bottom plate 400, roof 401 and the top vertical fixation of curb plate 402, roof 401 includes straight portion 4010 and inclined portion 4011, straight portion 4010 and the integrative setting of inclined portion 4011, the both ends of shovel hopper 40 are provided with pan feeding mouth 403 and discharge gate 404 respectively, pan feeding mouth 403 and discharge gate 404 all are the rectangle setting, the size of pan feeding mouth 403 is greater than the size of discharge gate 404, discharge gate 404 department is provided with baffle 405, baffle 405 is articulated with shovel hopper 40, baffle 405 can cover and close in discharge gate 404 department. The baffle 405 is provided with a closing member 406, the closing member 406 is used for controlling the baffle 405 to switch the opening and closing states, the closing member 406 is an electric push rod, one end of the electric push rod is hinged with the side wall of the shovel hopper 40, a connecting rod 407 is fixedly arranged on the baffle 405, and the other end of the electric push rod 100 is hinged with the connecting rod 407.

Referring to fig. 1 and 4, when the shovel hopper 40 is placed on the ground, the bottom plate 400 abuts against the ground, the support rod 41 is horizontally arranged at the moment, the cart body 1 is pushed to enable raw materials placed on the ground to be shoveled into the shovel hopper 40, the rotating assembly 42 drives the support rod 41 to rotate, so that the shovel hopper 40 moves to the position above the material placing barrel 2, when the support rod 41 is in a vertical state, the discharge port 404 is placed above the opening 20, the closing member 406 is driven to enable the baffle plate 405 to be opened, and materials in the shovel hopper 40 fall into the material placing barrel 2 from the shovel hopper 40 due to gravity, so that the purpose of facilitating feeding is achieved.

Referring to fig. 1, the rotating assembly 42 includes a first gear 420, a second gear 421 and a rotating member 422, the rotating member 422 is a motor, the first gear 420 is fixedly sleeved on an output shaft of the rotating member 422, the second gear 421 is fixedly sleeved on the rotating shaft, the first gear 420 is engaged with the second gear 421, and the rotating member 422 drives the first gear 420 to rotate and then drives the second gear 421 to rotate.

Referring to fig. 1 and 5, a control module for controlling the extension and retraction of the closure member 406 is further included, the control module includes a trigger 6 and a control unit 7, the trigger 6 is mounted on the upper surface of the base 10, the trigger 6 is provided as an optical fiber sensor, the trigger 6 is in communication connection with the control unit 7, and the control unit 7 is configured to receive a detection signal output by the optical fiber sensor and control the extension and retraction of the closure member 406. The control unit 7 comprises a controller 70, a driving circuit 71 and a relay KM, wherein the driving circuit 71 is arranged between the controller 70 and the relay KM, the controller 70 drives the relay KM to close and open through the driving circuit 71, the relay KM is arranged in a power supply circuit of the closing member 406, and the closing of the relay KM enables the closing member 406 to be started. When the supporting rod 41 is rotated to the vertical state to trigger the optical fiber sensor, the optical fiber sensor outputs a signal to the controller 70, and the controller 70 controls the closing member 406 to extend so as to open the baffle 405.

The controller 70 can be one of a single chip microcomputer and a PLC, the model of the controller 70 is STM32, the model of the optical fiber sensor is OMRONE32-D11R, the model of the relay KM is SchneiderRXG15M7, and the model of the driving circuit 71 is ULN 2003.

Referring to fig. 1, the slurry pumping device 5 includes a suction pump 50, a slurry inlet pipe 51 and a slurry outlet pipe 52 which are communicated with the suction pump 50, the slurry inlet pipe 51 is communicated with the material placing barrel 2, the suction pump 50 pumps the raw material in the material placing barrel 2 through the slurry inlet pipe 51 and sends the raw material out through the slurry outlet pipe 52.

The implementation principle of the shallow excavation tunnel curtain grouting auxiliary device that buries in this application embodiment is: the vehicle body 1 is pushed to move, after the shoveling hopper 40 shovels the raw materials, the rotating assembly 42 enables the supporting rod 41 to rotate from the horizontal state to the vertical state, at the moment, the discharging port 404 is arranged above the opening 20, meanwhile, the supporting rod 41 triggers the optical fiber sensor, the control unit 7 drives the closing piece 406 to open the baffle 405, the materials fall into the material placing barrel 2, water is poured into the material placing barrel 2, the materials are mixed by the stirring device 3 to form slurry, and the slurry is output through the slurry pumping device 5.

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. Shallow secret tunnel curtain slip casting auxiliary device that digs that buries, its characterized in that: comprises a vehicle body (1) and a material placing barrel (2) arranged on the vehicle body (1), wherein an opening (20) is arranged at the top of the material placing barrel (2), a stirring device (3) is arranged in the material placing barrel (2), the material placing barrel (2) is connected with a slurry pumping device (5) for pumping slurry in the material placing barrel (2), a feeding device (4) is arranged on the vehicle body (1), the feeding device (4) comprises a shoveling hopper (40), a supporting rod (41) and a rotating assembly (42) for driving the supporting rod (41) to rotate from a horizontal state to a vertical state, the shoveling hopper (40) is fixedly connected with the supporting rod (41), the supporting rod (41) is rotatably connected with the vehicle body (1), the shoveling hopper (40) is provided with a feeding port (403) and a discharging port (404) for enabling raw materials in the shoveling hopper (40) to fall into the material placing barrel (2), a baffle (405) used for blocking the discharge hole (404) is arranged at the discharge hole (404), the baffle (405) is hinged with the shovel hopper (40), and a closing piece (406) used for controlling the opening of the baffle (405) is arranged on the baffle (405).

2. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 1, characterized in that: the shovel hopper (40) is provided with a bottom plate (400) used for being abutted against the ground.

3. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 1, characterized in that: automobile body (1) includes base (10), it puts thing chamber (101) to have seted up in base (10), agitating unit (3) package stirring subassembly (30) and drive stirring subassembly (30) pivoted drive assembly (31), drive assembly (31) are installed and are being put thing chamber (101), stirring subassembly (30) are arranged in and are put storage bucket (2).

4. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 3, characterized in that: stirring subassembly (30) are including vertical setting at puddler (300) of base (10) and fixed a plurality of stirring vane (301) of setting on puddler (300), puddler (300) are rotated with base (10) and are connected.

5. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 1, characterized in that: the closing part (406) is arranged as an electric push rod, one end of the closing part (406) is hinged with the shovel hopper (40), and the other end of the closing part (406) is hinged with the baffle (405).

6. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 1, characterized in that: further comprising a control module for controlling operation of the closure member (406), the control module comprising:

the trigger piece (6) is used for detecting whether the supporting rod (41) moves to a vertical state or not and outputting a detection signal;

and the control unit (7) is used for receiving the detection signal sent by the trigger piece (6) and controlling the closing piece (406) to stretch and contract so as to open the baffle (405).

7. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 6, characterized in that: the trigger piece (6) is arranged as an optical fiber sensor.

8. The shallow-buried undercut tunnel curtain grouting auxiliary device of claim 1, characterized in that: the rotating assembly (42) comprises a first gear (420), a second gear (421) and a rotating piece (422) for driving the first gear (420) to rotate, the second gear (421) is fixed with the supporting rod (41), and the first gear (420) is meshed with the second gear (421).