CN215761674U - Bentonite pumping installations in long distance hole - Google Patents

Abstract

The utility model belongs to the technical field of shield construction, and particularly relates to a long-distance in-tunnel bentonite pumping device, in particular to a bentonite transportation device for earth pressure balance shield construction. The device contains bulky bentonite mix system, popped system, pumping system and transportation pipeline, and whole flow is full mechanized operation from bentonite mix, popped, transportation, has saved the entrance to a cave and has discharged bentonite thick liquid and draw the thick liquid link in the hole, has shortened the process joining time, uses manpower sparingly, convenient and fast, improves the shield and constructs tunnelling efficiency of construction. The utility model solves the problems in the background technology by matching the storage tank, the booster pump, the stirring device, the first slurry pump, the fermentation tank, the relay pump and the bentonite storage tank.

Description

Bentonite pumping installations in long distance hole

Technical Field

The utility model relates to the technical field of shield construction, in particular to a bentonite pumping device in a long-distance tunnel.

Background

The tunnel shield construction technology is an important construction method suitable for the development of modern cities to the underground. The shield construction method is widely applied due to the advantages of safety, rapidness, high efficiency and rapid development in recent decades. The earth pressure balance shield is widely applied by using the advantages of small environmental influence, small required field, wide adaptation, low cost and the like, the improvement of the muck is used as an important link in the shield construction process, and the safety, progress and construction efficiency of the shield construction are directly influenced by the improvement effect of the muck. The residue soil improvement mainly adopts additives such as bentonite, foam, high molecular polymer and the like. In the construction process of a sandy gravel stratum shield, bentonite is indispensable as a modifier, the transportation problem of the bentonite is mainly solved by grouping the storage battery cars, in the transportation mode, in the construction process, the bentonite needs to be extracted once every time one ring is tunneled, the bentonite needs to be pulled once every time two rings are tunneled, and the shield tunneling work efficiency is reduced along with the increase of the tunneling length of the tunnel, so that the shield construction is restricted. Therefore, there is a need for a transportation device with high transportation capability, high speed, high efficiency, labor saving, and continuous operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a long-distance in-hole bentonite pumping device, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bentonite pumping installations in long distance hole, includes storage tank, booster pump, conveyer pipe, agitating unit, a slush pump, defeated thick liquid pipe, fermentation cylinder, No. two slush pumps, No. two defeated thick liquid pipes, relay pump, bentonite holding vessel, storage tank bottom is connected with the booster pump, booster pump and duct connections, duct connections is directly over agitating unit, and a slush pump is connected to the agitating unit bottom, and a slush pump is connected with defeated thick liquid union coupling, and a defeated thick liquid union coupling is to the fermentation cylinder, and No. two slush pumps are connected to the fermentation cylinder bottom, and No. two slush pumps are connected to No. two slush pumps, and No. two defeated thick liquid pipes set up the relay pump according to the distance, and the bentonite holding vessel on No. two defeated thick liquid pipes to the shield constructs quick-witted trailer is connected to the relay pump.

As a preferred technical scheme of the utility model, a driving motor is fixedly arranged on the right side of the stirring device, a circular plate is fixedly arranged on an output shaft of the driving motor, a first transverse plate is fixedly arranged on the right side of the stirring device, a fixed rod is fixedly arranged on the upper surface of the first transverse plate, a moving rod is slidably sleeved on the fixed rod, a ball is embedded at the top end of the moving rod, a first spring is fixedly arranged between the bottom end of the moving rod and the first transverse plate, the first spring is movably sleeved on the fixed rod, an inclined rod which is obliquely arranged is rotatably arranged on the left side of the moving rod, a filter plate is slidably connected in the stirring device, the right side of the filter plate extends out of the stirring device and is fixedly arranged on the connecting plate, a second spring is fixedly arranged between the left side of the connecting plate and the right side of the stirring device, a first belt pulley is fixedly arranged on the output shaft of the driving motor, and two rotating rods are rotatably arranged between the inner wall of the front side and the inner wall of the stirring device, the front end of the dwang that is located the right side extends to agitating unit's front side fixed mounting has the second belt pulley, first belt pulley and second belt pulley pass through the belt and rotate the connection, the rear end of dwang extends to agitating unit's the equal fixed mounting in rear side has the gear, two gear meshes mutually, it installs the stirring roller to rotate on the dwang, two stirring rollers cooperate, fixed surface installs a plurality of sector plates on the filter, a plurality of filtration pores have been seted up on the filter, agitating unit's left side fixed mounting has the second diaphragm, the last surface movable contact of second diaphragm has the bin, agitating unit's upper surface is equipped with places the pipe.

As a preferable technical scheme of the utility model, the bottom of the stirring device is connected with a first slurry pump, and a first slurry conveying pipe is connected to the upper part of the fermentation tank to form a whole.

As a preferred technical scheme of the utility model, the bottom of the fermentation tank is connected with a second slurry pump, a second slurry conveying pipe and a relay pump are connected, and the second slurry conveying pipe is connected to a bentonite storage tank on a trailer of the shield tunneling machine to form a whole.

As a preferable technical scheme of the utility model, the booster pump adopts automatic control and has a metering function.

(III) advantageous effects

Compared with the prior art, the utility model provides a long-distance in-hole bentonite pumping device, which has the following beneficial effects:

1. this bentonite pumping installations in long distance hole cooperatees through booster pump, conveyer pipe, agitating unit and fermentation cylinder, and conveying capacity is big, fast, efficient, use manpower sparingly, can continuity of operation, reduce advantages such as construction cost.

2. The bentonite pumping device in the long-distance hole is characterized in that a belt, a rotating rod, a circular plate and a filter plate are matched, a driving motor drives a first belt pulley and a second belt pulley to rotate through the belt, the second belt pulley drives a gear to rotate through the rotating rod, the rotating rod drives a corresponding stirring roller to rotate and smash raw materials, small pebble raw materials generated by smashing fall onto the filter plate through a filtering hole, the small pebble fall into the stirring device, large pebbles are accumulated on the filter plate, the circular plate extrudes balls when rotating for the first half circle, a moving rod drives a connecting plate to move through an inclined rod, the connecting plate drives the filter plate to move, large pebble raw materials on the filter plate can slide across the arc-shaped surface of a fan-shaped plate, relative sliding occurs between the filter plate and the large pebble raw materials, the large pebble raw materials can be blocked and driven by the plate to move towards the direction close to a storage box, and the driving motor can drive the filter plate to move circularly left and right, make big stone raw materials gradual from the filter propelling movement outside and dropping to the bin gradually, can discharge big stone raw materials to the agitating unit outside from the filter gradually automatically, can smash the raw materials, improved efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the right front oblique perspective of FIG. 1;

FIG. 3 is a schematic diagram of the rear right oblique perspective of FIG. 1;

FIG. 4 is a front perspective view of FIG. 1;

FIG. 5 is a schematic view of the internal structure of the stirring device in FIG. 1;

FIG. 6 is an enlarged view of part A of FIG. 2;

FIG. 7 is an enlarged view of the portion B in FIG. 2;

fig. 8 is an enlarged schematic view of a portion C in fig. 5.

In the figure: 1. a material storage tank; 2. a booster pump; 3. a delivery pipe; 4. a stirring device; 5. a first slurry pump; 6. a first slurry conveying pipe; 7. a fermentation tank; 8. a second slurry pump; 9. a second pulp conveying pipe; 10. a relay pump; 11. a bentonite storage tank; 12. placing a tube; 13. a drive motor; 14. a circular plate; 15. a first transverse plate; 16. fixing the rod; 17. a travel bar; 18. a first spring; 19. an inclined lever; 20. a filter plate; 21. a connecting plate; 22. a second spring; 23. a first pulley; 24. rotating the rod; 25. a second pulley; 26. a belt; 27. a gear; 28. a stirring roller; 29. a sector plate; 30. a second transverse plate; 31. A storage box.

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, the present invention provides the following technical solutions: the utility model provides a bentonite pumping installations in long distance hole, including storage tank 1, booster pump 2, conveyer pipe 3, agitating unit 4, a slush pump 5, defeated thick liquid pipe 6, fermentation cylinder 7, No. two slush pumps 8, No. two defeated thick liquid pipes 9, the relay pump 10, bentonite holding vessel 11, storage tank 1 bottom is connected with booster pump 2, booster pump 2 is connected with conveyer pipe 3, conveyer pipe 3 is connected directly over agitating unit 4, No. one slush pump 5 is connected to agitating unit 4 bottom, a slush pump 5 is connected with defeated thick liquid pipe 6, No. one defeated thick liquid pipe 6 is connected to fermentation cylinder 7, No. two slush pumps 8 are connected to fermentation cylinder 7 bottom, No. two slush pumps 8 are connected No. two defeated thick liquid pipes 9, No. two defeated thick liquid pipes 9 set up relay pump 10 according to the distance is near, No. two defeated thick liquid pipes 9 are connected to the bentonite holding vessel 11 on the shield constructs the quick-witted trailer to the relay pump 10.

In this embodiment, through the setting of storage tank 1, played the effect of storing the raw materials.

Specifically, a driving motor 13 is fixedly installed on the right side of the stirring device 4, a circular plate 14 is fixedly installed on an output shaft of the driving motor 13, a first transverse plate 15 is fixedly installed on the right side of the stirring device 4, a fixed rod 16 is fixedly installed on the upper surface of the first transverse plate 15, a moving rod 17 is slidably sleeved on the fixed rod 16, a ball is embedded in the top end of the moving rod 17, a first spring 18 is fixedly installed between the bottom end of the moving rod 17 and the first transverse plate 15, the first spring 18 is movably sleeved on the fixed rod 16, an inclined rod 19 which is obliquely arranged is rotatably installed on the left side of the moving rod 17, a filter plate 20 is slidably connected in the stirring device 4, the right side of the filter plate 20 extends out of the stirring device 4 and is fixedly installed with a connecting plate 21, a second spring 22 is fixedly installed between the left side of the connecting plate 21 and the right side of the stirring device 4, and a first belt pulley 23 is fixedly installed on the output shaft of the driving motor 13, rotate between agitating unit 4's the front side inner wall and the right side inner wall and install two dwang 24, the front side fixed mounting that the front end of dwang 24 that is located the right side extends to agitating unit 4 has second belt pulley 25, first belt pulley 23 and second belt pulley 25 rotate through belt 26 and connect, the equal fixed mounting in rear side that the rear end of dwang 24 extends to agitating unit 4 has gear 27, two gears 27 mesh mutually, it installs stirring roller 28 to rotate on the dwang 24, two stirring roller 28 cooperate, surface fixed mounting has a plurality of sector plates 29 on the filter 20, a plurality of filtration pores have been seted up on the filter 20, agitating unit 4's left side fixed mounting has second diaphragm 30, the upper surface movable contact of second diaphragm 30 has bin 31, agitating unit 4's upper surface is equipped with places pipe 12.

In this embodiment, the first spring 18 and the second spring 22 are provided to achieve the effect of returning.

Specifically, the bottom of the stirring device 4 is connected with a first slurry pump 5, and a first slurry conveying pipe 6 is connected to the upper part of the fermentation tank 7 to form a whole.

In this embodiment, the number of the fermentation tanks 7 is four, and the stirring device 4 is connected to all the fermentation tanks 7 through a first slurry pump 5 and a first slurry pipe 6.

Specifically, the bottom of the fermentation tank 7 is connected with a second slurry pump 8, a second slurry conveying pipe 9 and a relay pump 10 are connected, and the second slurry conveying pipe 9 is connected to a bentonite storage tank 11 on a trailer of the shield tunneling machine to form a whole.

In this embodiment, the number of the installed relay pumps 10 is determined according to the length of the transportation distance by connecting the second slurry conveying pipe 9 to the bentonite storage tank 11 on the shield tunneling machine.

Specifically, the booster pump 2 is automatically controlled and has a metering function.

In this embodiment, adopt automatic control through booster pump 2, played automatic effect.

The working principle and the using process of the utility model are as follows: when in use, the long-distance pumping of the bentonite is a conveying mode that the swelled bentonite is directly conveyed into a bentonite box of the shield machine along a pipeline by using the pressure of a piston pump, the device comprises a large-volume bentonite mixing system, a swelling system, a pumping system and a transportation pipeline, wherein the whole process is fully mechanized from bentonite mixing, swelling and transportation, links of discharging bentonite slurry at a cave entrance and extracting slurry in the cave are omitted, the process joining time is shortened, manpower is saved, convenience and rapidness are achieved, the shield tunneling construction efficiency is improved, raw materials are poured into a storage tank 1, a booster pump 2 is operated to enter a stirring device 4 through a delivery pipe 3 and a slurry conveying pipe 6 to reach a fermentation tank 7, in the secondary pump 10 through the second slurry pump 8 and the second slurry pipe 9 from the fermentation tank 7, in the bentonite storage tank 11 through the operation of the secondary pump 10;

when in crushing, the driving motor 13 is started, the driving motor 13 drives the first belt pulley 23 and the second belt pulley 25 to rotate through the belt 26, the second belt pulley 25 drives the gear 27 to rotate through the rotating rod 24, so that the two gears 27 rotate, the rotating rod 24 drives the corresponding stirring roller 28 to rotate and crush the raw materials, the crushed raw materials can generate large stone raw materials and small stone raw materials, the small stone raw materials generated by crushing pass through the filtering holes and fall onto the filtering plate 20, the small stones fall into the stirring device 4, the large stones are accumulated on the filtering plate 20, meanwhile, the driving motor 13 works to drive the circular plate 14 to rotate, the circular plate 14 extrudes the balls when rotating the first half circle, so that the balls move and rotate, the balls drive the moving rod 17 to slide on the fixed rod 16 and compress the first spring 18, the moving rod 17 drives the connecting plate 21 to move rightwards through the inclined rod 19, the connecting plate 21 compresses the second spring 22 in the moving process, the connecting plate 21 drives the filter plate 20 to move leftwards, the large stone raw material on the filter plate 20 can slide across the arc-shaped surface of the fan-shaped plate 29, at the moment, relative sliding occurs between the filter plate 20 and the large stone raw material, the fan-shaped plate 29 can block and drive the large stone raw material to move towards the direction close to the storage tank 31, the driving motor 13 can drive the filter plate 20 to move leftwards and rightwards continuously, so that the large stone raw material is gradually pushed to the outside of the stirring device 4 from the filter plate 20 and falls into the storage tank 31, the extrusion force to the balls is gradually released when the circular plate 14 rotates to the rear half circle, at the moment, the second spring 22 in a compressed state is reset, the second spring 22 drives the filter plate 20 to move rightwards through the connecting plate 21, the filter plate 20 which shakes leftwards and rightwards circularly can improve the filtering efficiency, the large stone raw material collected in the powder storage tank 31 is poured into the stirring device 4 again, smash once more, can discharge big stone raw materials gradually to agitating unit 4 outside from filter 20 automatically, can smash the raw materials, improved efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a bentonite pumping device in long distance hole, includes storage tank (1), booster pump (2), conveyer pipe (3), agitating unit (4), slush pump (5), defeated thick liquid pipe (6), fermentation cylinder (7), No. two slush pump (8), No. two defeated thick liquid pipe (9), relay pump (10), bentonite holding vessel (11), its characterized in that: storage tank (1) bottom is connected with booster pump (2), booster pump (2) are connected with conveyer pipe (3), conveyer pipe (3) are connected to directly over agitating unit (4), a slush pump (5) is connected to agitating unit (4) bottom, a slush pump (5) is connected with defeated thick liquid pipe (6) No. one, defeated thick liquid pipe (6) are connected to fermentation cylinder (7) No. one, No. two slush pump (8) are connected to fermentation cylinder (7) bottom, No. two slush pump (8) are connected No. two defeated thick liquid pipe (9), No. two defeated thick liquid pipe (9) set up relay pump (10) according to the distance far and near, No. two defeated thick liquid pipe (9) are connected to bentonite holding vessel (11) on the shield constructs quick-witted trailer in relay pump (10).

2. A long-reach in-hole bentonite pumping device according to claim 1, characterized in that: the right side of the stirring device (4) is fixedly provided with a driving motor (13), an output shaft of the driving motor (13) is fixedly provided with a circular plate (14), the right side of the stirring device (4) is fixedly provided with a first transverse plate (15), the upper surface of the first transverse plate (15) is fixedly provided with a fixed rod (16), the fixed rod (16) is sleeved with a moving rod (17) in a sliding manner, the top end of the moving rod (17) is embedded with balls, a first spring (18) is fixedly arranged between the bottom end of the moving rod (17) and the first transverse plate (15), the first spring (18) is movably sleeved on the fixed rod (16), the left side of the moving rod (17) is rotatably provided with an inclined rod (19) which is obliquely arranged, the stirring device (4) is internally and slidably connected with a filter plate (20), the right side of the filter plate (20) extends out of the stirring device (4) and is fixedly provided with a connecting plate (21), a second spring (22) is fixedly installed between the left side of the connecting plate (21) and the right side of the stirring device (4), a first belt pulley (23) is fixedly installed on an output shaft of the driving motor (13), two rotating rods (24) are rotatably installed between the inner wall of the front side of the stirring device (4) and the inner wall of the right side of the stirring device (4), a second belt pulley (25) is fixedly installed at the front end of the rotating rod (24) positioned on the right side, which extends to the front side of the stirring device (4), the first belt pulley (23) and the second belt pulley (25) are rotatably connected through a belt (26), gears (27) are fixedly installed at the rear ends of the rotating rods (24), which extend to the rear side of the stirring device (4), the two gears (27) are meshed with each other, stirring rollers (28) are rotatably installed on the rotating rods (24), the two stirring rollers (28) are matched with each other, a plurality of sector plates (29) are fixedly installed on the upper surface of the filtering plate (20), a plurality of filtering holes are formed in the filtering plate (20), a second transverse plate (30) is fixedly mounted on the left side of the stirring device (4), the upper surface of the second transverse plate (30) is in movable contact with the storage box (31), and the upper surface of the stirring device (4) is provided with the placing pipe (12).

3. A long-reach in-hole bentonite pumping device according to claim 1, characterized in that: the bottom of the stirring device (4) is connected with a first slurry pump (5) and a first slurry conveying pipe (6) is connected to the upper part of the fermentation tank (7) to form a whole.

4. A long-reach in-hole bentonite pumping device according to claim 1, characterized in that: the bottom of the fermentation tank (7) is connected with a second slurry pump (8), a second slurry conveying pipe (9) and a relay pump (10) are connected, and the second slurry conveying pipe (9) is connected to a bentonite storage tank (11) on the shield machine trailer to form a whole.

5. A long-reach in-hole bentonite pumping device according to claim 1, characterized in that: the booster pump (2) adopts automatic control and has a metering function.

Images