CN218670661U - Slurry liquid level balancing mechanism for shield slurry treatment - Google Patents
Slurry liquid level balancing mechanism for shield slurry treatment Download PDFInfo
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- CN218670661U CN218670661U CN202223274333.2U CN202223274333U CN218670661U CN 218670661 U CN218670661 U CN 218670661U CN 202223274333 U CN202223274333 U CN 202223274333U CN 218670661 U CN218670661 U CN 218670661U
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- slurry
- liquid level
- fixed
- thick liquid
- apron
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- 239000002002 slurry Substances 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 title claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 24
- 230000008901 benefit Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005188 flotation Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000012432 intermediate storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a thick liquid level balance mechanism for among shield structure muddy water treatment sets up on well storage tank extends to the benefit thick liquid pipe in the stock chest, including free bearing, apron, telescopic mounting bracket and flotation tank, on the free bearing was fixed in the mouth of pipe lateral wall face of benefit thick liquid pipe, the apron articulated on the free bearing, corresponding to the orificial position fixation of benefit thick liquid pipe on the apron upper surface had sealed bulb, and telescopic mounting bracket is fixed in the front end of apron, and the flotation tank is fixed in on the telescopic mounting bracket. The utility model has the advantages that: (1) The slurry liquid level balance mechanism adopts a lever hinge structure, the sealing ball head is made of wear-resistant materials, and the buoyancy tank adopts a standard plastic buoyancy tank, so that the slurry liquid level balance mechanism has the advantages of light weight, large buoyancy, long service life and the like; (2) The mounting rack of the buoyancy tank is arranged to be telescopic and provided with a plurality of mounting positions, so that the adjustment of the length of the lever and the adjustment of the setting quantity of the buoyancy tank are realized, and the working conditions of slurry storage tanks with different slurry concentrations are adapted.
Description
Technical Field
The utility model relates to a technical field is handled to the mud, concretely relates to a thick liquid level balance mechanism for in shield constructs muddy water processing.
Background
The slurry balance shield stabilizes the front soil body by the slurry with adjustable pressure when the shield cuts the front soil body to advance, and because the slurry balance shield is completely in a sealing state in the whole tunneling process, the stability of the slurry balance shield to the stratum is better than that of the slurry balance shield, so the slurry balance shield is more and more popular by virtue of better stability and more reliable safety.
The slurry balance shield cuts the soil in front through the cutter head, the cut soil and the slurry in the excavation bin are mixed and then enter the slurry discharge pipeline through the slurry door arranged at the bottom of the shield, the mixed soil and the slurry are conveyed to the ground slurry treatment field through the slurry discharge pipeline, and the slurry conveyed to the ground is subjected to multi-stage separation treatment through the slurry treatment field.
In muddy water multistage separation processing system, be provided with well storage tank and mud storage tank, when the thick liquid volume of output is greater than the supply in the mud storage tank, need carry out the benefit thick liquid to it through well storage tank in, the time control of well storage tank to the thick liquid of storing up thick liquid in the mud storage tank, except the manual monitoring mode that adopts in the past, also can adopt the ultrasonic wave level gauge to monitor, but the cost of ultrasonic wave level gauge is higher, and also need supporting equipment such as the benefit thick liquid pipeline solenoid valve that installs correspondence on the basis of ultrasonic wave level gauge, equipment cost has further been improved.
In order to reduce equipment cost and realize constant liquid level in a slurry storage tank, a person skilled in the art starts to arrange a liquid level buoy between a middle storage tank and the slurry storage tank, and controls the opening and closing of a slurry replenishing pipe on the middle storage tank through the liquid level buoy, for example, chinese patent CN105126432A discloses a liquid level balancing device, but the liquid level balancing device has the problems that the number of buoys is not adjustable and the length of connecting rods of the buoys is not adjustable.
Based on this, an adjustable slurry level balancing mechanism is urgently needed by those skilled in the art.
Disclosure of Invention
The utility model aims at providing a slurry liquid level balancing mechanism used in shield slurry treatment according to the defects of the prior art, which realizes the opening and closing control of the pipe orifice of the slurry replenishing pipe under the action of liquid level buoyancy by arranging a cover plate and a sealing ball head hinged with the pipe orifice of the slurry replenishing pipe and arranging an installation frame with a buoyancy tank at the front part of the cover plate; in addition, the mounting frame is modified into a telescopic structure and a structure with a plurality of buoyancy tank mounting positions, so that the requirements of different mud densities and multi-stage liquid level height control are met.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a thick liquid level balance mechanism for among shield structure muddy water treatment, sets up on the storage tank extends to the benefit thick liquid pipe in the mud storage tank, its characterized in that thick liquid level balance mechanism includes free bearing, apron, telescopic mounting bracket and flotation tank, the free bearing is fixed in on the mouth of pipe side wall face of benefit thick liquid pipe, the apron articulate in on the free bearing, the apron upper surface on corresponding to the mouth of pipe position of benefit thick liquid pipe is fixed with sealed bulb, telescopic mounting bracket is fixed in the front end of apron, the flotation tank is fixed in on the telescopic mounting bracket.
The telescopic mounting rack consists of a rear rack body and a front rack body which are assembled in a sliding manner; the rear frame body consists of two longitudinal rods which are arranged in parallel, and the rear ends of the two longitudinal rods are welded at the front end of the cover plate; the front frame body comprises two longitudinally arranged sleeves and a plurality of cross rods welded between the two sleeves at intervals, and the sleeves are sleeved on the longitudinal rods and form sliding fit.
A plurality of first through holes are formed in the longitudinal rod at intervals in the longitudinal direction, a second through hole is formed in the rear end portion of the sleeve, and the second through hole in the sleeve is aligned with any one of the first through holes in the longitudinal rod and is screwed and fixed through a bolt.
The cross rods on the front frame body and the sleeves are combined to form at least two rectangular mounting positions for mounting the buoyancy tanks; the buoyancy tank is in a cube shape corresponding to the rectangular installation position; the outer wall surface of the buoyancy tank is provided with a hoop, and the hoop and the rectangular installation position are screwed and fixed through bolts.
And a pipe orifice of the slurry supplementing pipe is provided with a closing detection switch.
The utility model has the advantages that:
(1) The slurry liquid level balance mechanism adopts a lever hinge structure, the sealing ball head is made of wear-resistant materials, and the buoyancy tank adopts a standard plastic buoyancy tank, so that the slurry liquid level balance mechanism has the advantages of light weight, large buoyancy, long service life and the like;
(2) The mounting rack of the buoyancy tank is arranged to be telescopic and provided with a plurality of mounting positions, so that the adjustment of the length of the lever and the adjustment of the setting quantity of the buoyancy tank are realized, and the working conditions of slurry storage tanks with different slurry concentrations are adapted.
Drawings
FIG. 1 is a schematic view of a slurry level balancing mechanism installed between a middle storage tank and a slurry outlet tank;
FIG. 2 is a schematic structural view of the slurry liquid level balancing mechanism of the present invention;
FIG. 3 is a schematic view of a front frame body of the middle telescopic mounting frame of the present invention;
fig. 4 is a plan view of the telescopic mounting bracket of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-4, the labels in the figures are: the slurry filling device comprises a medium storage tank 1, a slurry storage tank 2, a slurry liquid level balancing mechanism 3, a slurry filling pipe 4, a sealing ball head 31, a hinged support 32, a cover plate 33, a rear support body 34, a front support body 35, a floating box 36, a cross rod 37, a bolt 38, a hoop 39 and a bolt 310.
The embodiment is as follows: as shown in fig. 1, 2, 3, and 4, the present embodiment specifically relates to a slurry liquid level balance mechanism for shield slurry treatment, which is disposed on a slurry replenishing pipe 4 extending from a middle storage tank 1 to a slurry storage tank 2, the slurry liquid level balance mechanism 2 includes a hinged support 32, a cover plate 33, a telescopic mounting bracket and a floating box 35, the hinged support 32 is fixed on a side wall surface of a pipe orifice of the slurry replenishing pipe 4, a rear end of the cover plate 33 is hinged on the hinged support 32, a sealing ball 31 is fixed on an upper surface of the cover plate 33 at a position corresponding to the pipe orifice of the slurry replenishing pipe 4, the telescopic mounting bracket is fixed at a front end of the cover plate 33, and the floating box 35 is fixed on the telescopic mounting bracket.
As shown in fig. 1, 2 and 4, the lower end orifice of the slurry replenishing pipe 4 of the intermediate storage tank 1 extends to the designed liquid level height in the slurry outlet and storage tank 2, a hinged support 32 is welded and fixed on the outer side wall surface of the intermediate storage tank, the rear end of a cover plate 33 is hinged with the hinged support 32 to realize free rotation under the limit of the hinged support 32, a sealing ball head 31 is fixedly arranged on the cover plate 33, the setting position of the sealing ball head 31 corresponds to the lower end orifice of the slurry replenishing pipe 4, and when the cover plate 33 rotates to the horizontal position, the sealing ball head 31 on the cover plate just closes the lower end orifice of the slurry replenishing pipe 4.
As shown in fig. 1, 2, 3 and 4, the telescopic mounting bracket is fixedly arranged at the front end of the cover plate 33, and specifically consists of a rear bracket body 34 and a front bracket body 35 which are assembled in a sliding manner; the rear frame body 34 comprises two longitudinal rods which are arranged in parallel, and the rear ends of the longitudinal rods are welded and fixed with the front end of the cover plate 33; the front frame 35 is also composed of two parallel sleeves, as shown in fig. 4, the sleeves are sleeved on the longitudinal rod to form a sleeved sliding fit, in addition, a plurality of first through holes are arranged on the longitudinal rod along the longitudinal interval, and the rear end of each sleeve is provided with a second through hole, so that in the assembling process, according to the required length of the lever, the second through holes on the sleeves are aligned with the corresponding first through holes on the longitudinal rod and are screwed into the bolts 310 for limiting and fixing. A plurality of cross rods 37 are arranged between the two sleeves at intervals, two ends of each cross rod 37 are welded and fixed with the outer wall surface of each sleeve, each two cross rods 37 enclose a rectangular installation position for installing the floating box 36, the floating box 36 adopts a standard plastic float and is in a cubic shape, and the size of each rectangular installation position corresponds to the peripheral size of the floating box 36; the middle part of the buoyancy tank 36 is provided with a hoop 39, the side wall surface of the hoop 39 is tightly clamped on the side wall surface of the buoyancy tank 36, and the horizontal surface of the hoop 39 is screwed and fixed with the cross rod 37 through a bolt 38, so that the buoyancy tank 36 and the telescopic mounting frame form a whole.
As shown in fig. 1, 2, 3, and 4, the telescopic mounting bracket in this embodiment may be provided with one buoyancy tank 36, or may be provided with two buoyancy tanks 36, that is, a primary liquid level control and a secondary liquid level control, depending on the slurry treatment condition.
It should be further noted that a closed detection switch is arranged at the lower end pipe orifice of the slurry supplementing pipe 4, the closed detection switch is composed of a first magnetic component and a second magnetic component, the first magnetic component is arranged at the lower end pipe orifice of the slurry supplementing pipe 4, and the second magnetic component is arranged at the position of the sealing ball head 31 on the cover plate 33. When the first magnetic attraction component and the second magnetic attraction component are closed, the first magnetic attraction component and the second magnetic attraction component are contacted, and the image control mechanism feeds back a closing signal.
The beneficial effect of this embodiment lies in:
(1) The slurry liquid level balance mechanism adopts a lever hinge structure, the sealing ball head is made of wear-resistant materials, and the buoyancy tank adopts a standard plastic buoyancy tank, so that the slurry liquid level balance mechanism has the advantages of light weight, large buoyancy, long service life and the like;
(2) The mounting rack of the buoyancy tank is arranged to be telescopic and provided with a plurality of mounting positions, so that the adjustment of the length of the lever and the adjustment of the setting quantity of the buoyancy tank are realized, and the working conditions of slurry storage tanks with different slurry concentrations are adapted.
Claims (5)
1. The utility model provides a thick liquid level balance mechanism for shield constructs among slurry treatment, sets up on the storage tank extends to the benefit thick liquid pipe in the slurry storage tank, its characterized in that thick liquid level balance mechanism includes free bearing, apron, telescopic mounting bracket and flotation tank, the free bearing is fixed in on the mouth of pipe side wall face of benefit thick liquid pipe, the apron articulate in on the free bearing, correspond to on the apron upper surface the mouth of pipe position of benefit thick liquid pipe is fixed with sealed bulb, telescopic mounting bracket is fixed in the front end of apron, the flotation tank is fixed in on the telescopic mounting bracket.
2. The slurry liquid level balancing mechanism for shield slurry water treatment according to claim 1, wherein the telescopic mounting frame is composed of a rear frame body and a front frame body which are assembled in a sliding manner; the rear frame body consists of two longitudinal rods which are arranged in parallel, and the rear ends of the two longitudinal rods are welded at the front end of the cover plate; the front frame body comprises two longitudinally arranged sleeves and a plurality of cross rods welded between the two sleeves at intervals, and the sleeves are sleeved on the longitudinal rods and form sliding fit.
3. The slurry liquid level balancing mechanism for shield slurry water treatment according to claim 2, wherein the vertical rod is provided with a plurality of first through holes at intervals along a longitudinal direction, the rear end portion of the sleeve is provided with a second through hole, and the second through hole of the sleeve is aligned with any one of the first through holes of the vertical rod and is fastened and fixed by a bolt.
4. The slurry liquid level balancing mechanism for shield muddy water treatment according to claim 2, wherein the cross bar on the front frame body and the sleeve are combined to form at least two rectangular mounting positions for mounting the buoyancy tank; the buoyancy tank is in a cube shape corresponding to the rectangular mounting position; the outer wall surface of the buoyancy tank is provided with a hoop, and the hoop and the rectangular installation position are screwed and fixed through bolts.
5. The slurry liquid level balancing mechanism for shield slurry water treatment according to claim 1, wherein the opening of the slurry replenishing pipe is provided with a closing detection switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274333.2U CN218670661U (en) | 2022-12-07 | 2022-12-07 | Slurry liquid level balancing mechanism for shield slurry treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274333.2U CN218670661U (en) | 2022-12-07 | 2022-12-07 | Slurry liquid level balancing mechanism for shield slurry treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670661U true CN218670661U (en) | 2023-03-21 |
Family
ID=85547879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223274333.2U Active CN218670661U (en) | 2022-12-07 | 2022-12-07 | Slurry liquid level balancing mechanism for shield slurry treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670661U (en) |
-
2022
- 2022-12-07 CN CN202223274333.2U patent/CN218670661U/en active Active
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