CN216320316U - Machine-mounted water filtering device capable of backwashing for heading machine - Google Patents
Machine-mounted water filtering device capable of backwashing for heading machine Download PDFInfo
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- CN216320316U CN216320316U CN202122723700.1U CN202122723700U CN216320316U CN 216320316 U CN216320316 U CN 216320316U CN 202122723700 U CN202122723700 U CN 202122723700U CN 216320316 U CN216320316 U CN 216320316U
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Abstract
The utility model relates to a machine-mounted water filtering device capable of backwashing for a heading machine. The existing back washing effect of the filter for the heading machine is poor. The utility model comprises a water inlet tee joint, a main path upstream valve, a water filtering tank, a water outlet tee joint, a main path downstream valve, a bypass pipe and a blow-off valve, wherein the water filtering tank comprises a cylindrical shell, an end cover and a cylindrical filter screen, one end of the cylindrical shell is connected to an annular flange, the other end of the cylindrical shell is provided with a closing plate, the centers of the closing plate and the end cover are respectively provided with a central hole, the inner wall of the central hole extends outwards, one end of the cylindrical filter screen is fixedly connected to the end cover, the other end of the cylindrical filter screen is closed, the outer circumferential wall of the cylindrical filter screen is densely provided with a plurality of filter holes, the axial length of the cylindrical filter screen is smaller than the axial depth of the cylindrical shell, the blow-off valve is arranged on the bottom wall of the cylindrical shell between the closing plate and the cylindrical filter screen, the annular flange is connected with the end cover through bolts, and a sealing gasket is clamped between the annular flange and the end cover. The utility model has simple structure and convenient backwashing, and is suitable for being used as a machine-mounted water filtering device of the development machine.
Description
Technical Field
The utility model relates to a machine-mounted water filtering device capable of backwashing for a heading machine.
Background
The onboard filter device of the heading machine is not easy to clean, and the blockage of the spray head is easy to occur, namely the onboard filter device cannot perform back washing, and pipelines and the spray head are frequently blocked. The hydraulic oil cooling of the development machine is influenced, the use efficiency of hydraulic elements, hydraulic motors and the like of the development machine is reduced, the failure rate is obviously improved, and the development footage is seriously influenced.
A Chinese utility model patent with an authorization publication number of CN 203663528U, which is issued in 2014, 06, 25, discloses a flushable spray filter of a heading machine, which consists of a closed cylinder body and a cylinder filter screen arranged in the closed cylinder body; wherein the closed cylinder body consists of two sections which are connected into a whole by a high-pressure quick joint; an inner joint seat and an impurity discharging port are arranged on one section of the closed cylinder, the inner joint seat is communicated with a cylinder filter screen in the cylinder, and the inner joint seat is connected with an upper water outlet; a valve is arranged on the impurity discharging port; the other section of the closed cylinder body is provided with a water inlet. The utility model discloses a tentatively solved the jam problem of the colliery underground combined excavator spraying, still had following defect:
1. opening impurity and letting out the export valve, can not changing the internal water flow direction of closed cylinder, and open impurity and let out the export valve and can only emit the free impurity in closed cylinder bottom, the impurity of card at the drum filter screen can't get rid of, therefore can't really realize the back flush.
2. The closed cylinder body consists of two sections which are connected into a whole by a high-pressure quick joint; although the high-pressure quick connector is convenient to disassemble and assemble, the high-pressure quick connector is complex and heavy, the disassembly and the assembly are inconvenient, the inner diameter size is limited, and the filtering capacity is low.
The Chinese utility model patent of No. CN 213467046U granted by the announcement on 18 th month 06 in 2021 discloses a cleaning system for a heading machine filter, which comprises a horizontally placed box body, wherein the box body comprises a water inlet end and a water outlet end, the water inlet end of the box body is provided with a first three-way pipe and a second three-way pipe, the water outlet end of the box body is provided with a third three-way pipe, the box body is connected with the first three-way pipe, the second three-way pipe and the third three-way pipe through pipelines to form a main water flow pipeline, branch water outlets of the first three-way pipe and the third three-way pipe are connected to form a branch water flow circuit connected in parallel with the main water flow pipeline, and a stop valve group for switching the main water flow pipeline and the branch water flow circuit is arranged among the first three-way pipe, the second three-way pipe and the third three-way pipe; by adopting the technical scheme, water flow can reversely enter the box body to clean the filter element of the filter, so that the replacement times of the filter element is reduced, the cost is reduced, the influence on production caused by waiting for replacing the filter element is greatly reduced, the labor intensity of workers is reduced, and the production efficiency is improved.
The third stop valve 5 for sewage discharge of the device is arranged on the second tee joint 4 instead of the box body, impurities in the box body cannot be directly discharged in the backwashing process, and the backwashing effect is limited.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a back-flushable onboard water filtering device for a heading machine.
In order to solve the technical problem, the machine-mounted water filtering device capable of backwashing for the heading machine comprises a water inlet tee joint, a main path upstream valve, a water filtering box, a water outlet tee joint, a main path downstream valve, a bypass pipe and a blow-down valve, wherein the water inlet tee joint, the main path upstream valve, the water filtering box, the water outlet tee joint and the main path downstream valve are sequentially connected in series to form a main path, the bypass valve and the bypass pipe are connected in series between a residual interface of the water inlet tee joint and a residual interface of the water outlet tee joint to form a backwashing bypass, and the machine-mounted water filtering device is characterized in that: the water filtering box comprises a cylindrical shell, an end cover and a cylindrical filter screen, wherein one end of the cylindrical shell is connected to a ring flange, the other end of the cylindrical shell is provided with a sealing plate, the center of the sealing plate and the center of the end cover are both provided with a center hole, the inner wall of the center hole of the sealing plate extends outwards to form a water inlet pipe orifice, the inner wall of the center hole of the end cover extends outwards to form a water outlet pipe orifice, one end of the cylindrical filter screen is fixedly connected to the end cover, the other end of the cylindrical filter screen is sealed, the outer circumferential wall of the cylindrical filter screen is densely distributed with a plurality of filtering holes, the axial lead of the cylindrical filter screen coincides with the axial lead of the cylindrical shell, the axial length of the cylindrical filter screen is smaller than the axial depth of the cylindrical shell, the bottom wall of the cylindrical shell between the sealing plate and the cylindrical filter screen is connected with a vertical downward sewage discharge pipe, the sewage valve is arranged on the sewage discharge pipe, a plurality of relative through holes are formed in the ring flange and the end cover, and each pair of the relative through holes is provided with a bolt, a sealing gasket is clamped between the ring flange and the end cover.
When the water filter is used for normal filtration, the bypass valve and the blowdown valve are closed, the main path upstream valve and the main path downstream valve are opened, water flows into the water filter from the water inlet tee joint, and the water flows are filtered by the water filter box and then discharged by the water outlet tee joint, so that the water filter is very convenient. When the water filtering tank is blocked (the water outlet at the water outlet tee joint is not smooth), the main path upstream valve and the main path downstream valve are closed, and then the bypass valve and the drain valve are opened. At the moment, high-pressure water enters the water filtering tank from the downstream end after passing through the bypass valve and the bypass pipe, and impurities clamped on the cylindrical filter screen are backflushed and directly discharged by the drain valve. By the design, the back washing effect is good.
Preferably, the bypass pipe is a high-pressure hose, and two ends of the bypass pipe are respectively connected through quick connectors. By the design, when sundries exist in the bypass pipe, the bypass pipe can be detached for washing, and the effect is better.
The machine-mounted water filtering device capable of backwashing for the heading machine has the advantages of simple structure and convenience in backwashing, and is suitable for being used as the machine-mounted water filtering device of the heading machine.
Drawings
The utility model further discloses a back-washable airborne water filtering device for a heading machine, which is combined with the attached drawings as follows:
fig. 1 is a schematic structural diagram of a backwashing onboard water filtering device for the heading machine.
In the figure: 1 is a water inlet tee, 2 is a main path upstream valve, 3 is a water filter tank, 31 is a cylindrical shell, 32 is an end cover, 33 is a cylindrical filter screen, 34 is an annular flange, 35 is a sealing plate, 36 is a water inlet pipe orifice, 37 is a water outlet pipe orifice, 38 is a blow-off pipe, 39 is a bolt, 4 is a water outlet tee, 5 is a main path downstream valve, 6 is a bypass valve, 7 is a bypass pipe, 8 is a blow-off valve, 9 is a sealing gasket, L1 is the axial length of the cylindrical filter screen 33, and L2 is the axial depth of the cylindrical shell 31.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 1, the machine-mounted water filtering device capable of backwashing for the heading machine comprises a water inlet tee joint 1, a main path upstream valve 2, a water filtering tank 3, a water outlet tee joint 4, a main path downstream valve 5, a bypass valve 6, a bypass pipe 7 and a blow-down valve 8, wherein the water inlet tee joint 1, the main path upstream valve 2, the water filtering tank 3, the water outlet tee joint 4 and the main path downstream valve 5 are sequentially connected in series to form a main path, and the bypass valve 6 and the bypass pipe 7 are connected in series between a residual interface of the water inlet tee joint 1 and a residual interface of the water outlet tee joint 4 to form a backwashing bypass.
The method is characterized in that: the water filtering tank 3 comprises a cylindrical shell 31, an end cover 32 and a cylindrical filter screen 33, one end of the cylindrical shell 31 is connected to a ring flange 34, the other end of the cylindrical shell is provided with a sealing plate 35, the center of the sealing plate 35 and the center of the end cover 32 are both provided with a center hole, the inner wall of the center hole of the sealing plate 35 extends outwards to form a water inlet 36, the inner wall of the center hole of the end cover 32 extends outwards to form a water outlet 37, one end of the cylindrical filter screen 33 is fixedly connected to the end cover 32, the other end of the cylindrical filter screen is sealed, the outer circumferential wall of the cylindrical filter screen 33 is densely provided with a plurality of filtering holes, the axial lead of the cylindrical filter screen 33 coincides with the axial lead of the cylindrical shell 31, the axial lead of the cylindrical filter screen 33 is L1 smaller than the axial depth L2 of the cylindrical shell 31, a vertical downward sewage discharge pipe 38 is connected to the bottom wall of the cylindrical shell 31 between the sealing plate 35 and the cylindrical filter screen 33, and the sewage valve 8 is arranged on the sewage pipe 38, a plurality of opposite through holes are formed in the annular flange 34 and the end cover 32, a bolt 39 is arranged in each pair of opposite through holes, and a sealing gasket 9 is clamped between the annular flange 34 and the end cover 32.
The bypass pipe 7 is a high-pressure hose, and two ends of the bypass pipe are respectively connected through quick connectors.
Claims (2)
1. The utility model provides a but machine of tunnelling machine back flush carries water filtering device, includes into water tee bend, main road upstream valve, water strainer case, play water tee bend, main road downstream valve, bypass pipe and blowoff valve, wherein water tee bend, main road upstream valve, water strainer case, play water tee bend and main road downstream valve establish ties in order and form the main road, bypass valve and bypass pipe concatenate between the surplus interface of water tee bend and the surplus interface of play water tee bend, form the back flush bypass, its characterized in that: the water filtering box comprises a cylindrical shell, an end cover and a cylindrical filter screen, wherein one end of the cylindrical shell is connected to a ring flange, the other end of the cylindrical shell is provided with a sealing plate, the center of the sealing plate and the center of the end cover are both provided with a center hole, the inner wall of the center hole of the sealing plate extends outwards to form a water inlet pipe orifice, the inner wall of the center hole of the end cover extends outwards to form a water outlet pipe orifice, one end of the cylindrical filter screen is fixedly connected to the end cover, the other end of the cylindrical filter screen is sealed, the outer circumferential wall of the cylindrical filter screen is densely distributed with a plurality of filtering holes, the axial lead of the cylindrical filter screen coincides with the axial lead of the cylindrical shell, the axial length of the cylindrical filter screen is smaller than the axial depth of the cylindrical shell, the bottom wall of the cylindrical shell between the sealing plate and the cylindrical filter screen is connected with a vertical downward sewage discharge pipe, the sewage valve is arranged on the sewage discharge pipe, a plurality of relative through holes are formed in the ring flange and the end cover, and each pair of the relative through holes is provided with a bolt, a sealing gasket is clamped between the ring flange and the end cover.
2. The machine-mounted water filtering device capable of being backwashed for the heading machine according to claim 1, which is characterized in that: the bypass pipe is a high-pressure hose, and two ends of the bypass pipe are respectively connected through quick connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723700.1U CN216320316U (en) | 2021-11-08 | 2021-11-08 | Machine-mounted water filtering device capable of backwashing for heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723700.1U CN216320316U (en) | 2021-11-08 | 2021-11-08 | Machine-mounted water filtering device capable of backwashing for heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN216320316U true CN216320316U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122723700.1U Active CN216320316U (en) | 2021-11-08 | 2021-11-08 | Machine-mounted water filtering device capable of backwashing for heading machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012338A (en) * | 2022-08-01 | 2022-09-06 | 江苏胜裕智能交通科技有限公司 | Intelligent transportation guiding device |
| KR102533543B1 (en) * | 2023-02-13 | 2023-05-17 | 큰나라찬사회적협동조합 | Ground horizontal type precision filtration system with reverse cleaning function |
| KR102566337B1 (en) * | 2023-05-25 | 2023-08-14 | 큰나라찬사회적협동조합 | Automatic automatic back-washing fine filtering apparatus |
-
2021
- 2021-11-08 CN CN202122723700.1U patent/CN216320316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012338A (en) * | 2022-08-01 | 2022-09-06 | 江苏胜裕智能交通科技有限公司 | Intelligent transportation guiding device |
| KR102533543B1 (en) * | 2023-02-13 | 2023-05-17 | 큰나라찬사회적협동조합 | Ground horizontal type precision filtration system with reverse cleaning function |
| KR102566337B1 (en) * | 2023-05-25 | 2023-08-14 | 큰나라찬사회적협동조합 | Automatic automatic back-washing fine filtering apparatus |
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