CN212868059U - Dual-mode shield tunneling machine hydraulic system - Google Patents
Dual-mode shield tunneling machine hydraulic system Download PDFInfo
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- CN212868059U CN212868059U CN202021749221.6U CN202021749221U CN212868059U CN 212868059 U CN212868059 U CN 212868059U CN 202021749221 U CN202021749221 U CN 202021749221U CN 212868059 U CN212868059 U CN 212868059U
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Abstract
The utility model discloses a bimodulus shield constructs quick-witted hydraulic system, including the pump source, the pump source has drive band conveyer's first hydraulic motor in parallel, drive screw conveyer's second hydraulic motor, first hydraulic motor's oil feed oil circuit and second hydraulic motor's oil feed oil sweetgum fruit is continuous through the oil feed oil circuit of first tee bend ball valve with the pump source, first hydraulic motor's oil return oil circuit and second hydraulic motor's oil return oil sweetgum fruit is continuous through the oil return oil circuit of second tee bend ball valve with the pump source, first tee bend ball valve is connected with first proximity switch, the second proximity switch, second tee bend ball valve is connected with the third proximity switch, the fourth proximity switch, first proximity switch, the second proximity switch, the third proximity switch, the control valves of fourth proximity switch and pump source all link to each other with the controller. The utility model discloses a closed system of one set of two kinds of modes of slagging tap sharing, not only simple structure, small, it is simple convenient to control moreover, can realize the quick switching of two kinds of modes of slagging tap.
Description
Technical Field
The utility model belongs to the technical field of the bimodulus shield constructs the machine, especially indicate a bimodulus shield constructs quick-witted hydraulic system.
Background
At the present stage, the construction of basic facilities such as railway traffic, road traffic, water conservancy and hydropower, large-scale water transfer engineering and the like in China is completely laid out, and from the aspects of construction safety, line selection, construction technical difficulty, tunneling speed, construction cost, environmental protection and the like, the traditional drilling and blasting method and mechanical construction can not meet the construction requirements under local extreme working conditions, and the shield tunneling method and the TBM method quickly become the development trend of urban and mountain tunnel construction due to the technical characteristics and advantages of the construction methods.
Therefore, the construction by adopting the double-mode shield tunneling machine method becomes the development trend of mountain railway tunnel construction, but for the construction of the double-mode shield tunneling machine, the key technologies of how to realize high-efficiency utilization among a plurality of systems, saving equipment cost, optimizing whole machine arrangement, simplifying control flow and the like need to be researched and broken through. The soil pressure-open double-mode shield machine uses the screw conveyor to remove slag in the soil pressure mode, and uses the belt conveyor to remove slag in the open mode.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a bimodulus shield constructs quick-witted hydraulic system has solved the band conveyer and the screw conveyer hydraulic system operation of current bimodulus shield structure machine complicacy, space utilization hangs down and with high costs technical problem.
The technical scheme of the utility model is realized like this: the utility model provides a bimodulus shield constructs quick-witted hydraulic system, includes the pump source, the pump source is parallelly connected with the first hydraulic motor of drive band conveyer, the second hydraulic motor of drive screw conveyer, and screw conveyer and band conveyer share same set of hydraulic system promptly. The oil inlet oil path of the first hydraulic motor and the oil inlet oil path of the second hydraulic motor are connected with the oil inlet oil path of the pump source through the first three-way ball valve, the oil return oil path of the first hydraulic motor and the oil return path of the second hydraulic motor are connected with the oil return oil path of the pump source through the second three-way ball valve, namely the first hydraulic motor and the second hydraulic motor are connected in parallel through the three-way ball valve, and the communication between the pump source and the first hydraulic motor or the communication between the pump source and the second hydraulic motor can be realized by switching the circulation stations of the three-way ball valve. The first three-way ball valve is connected with a first proximity switch and a second proximity switch, the second three-way ball valve is connected with a third proximity switch and a fourth proximity switch, and the first proximity switch, the second proximity switch, the third proximity switch, the fourth proximity switch and the control valve group of the pump source are all connected with the controller. The controller realizes the conversion between the spiral conveyor slag tapping mode and the belt conveyor slag tapping mode by receiving the electric signals of the proximity switches.
Furthermore, a flushing valve group is arranged between the first three-way ball valve and the pump source valve group, the flushing valve group is connected between the oil inlet oil way and the oil return oil way, and oil liquid replacement can be carried out on a closed hydraulic system formed by the hydraulic pump and the hydraulic motor. The flushing valve is a closed hydraulic system oil liquid replacement valve, the flushing valve is opened through the high-pressure side of the system, oil on the low-pressure side returns through the flushing valve, oil liquid replacement is realized, and the oil temperature of the system is ensured to be within a normal working range
Further, be provided with two-way overflow valves between first hydraulic motor's the oil feed oil circuit and first hydraulic motor's the oil return oil circuit, avoid pressure too big, guarantee the safety of belt feeder mode of slagging tap. When the system pressure exceeds the limited pressure of the two-way overflow valve group, the two-way overflow valve overflows to ensure the safety of the system.
Furthermore, the leakage oil of the first hydraulic motor and the leakage oil of the second hydraulic motor are both connected with a temperature sensor, the temperature sensors are connected with a controller, and the running states of the first hydraulic motor and the second hydraulic motor are monitored in real time.
Furthermore, the first three-way ball valve, the second three-way ball valve, the flushing valve group and the two-way overflow valve group are all arranged on the same valve block, so that the size of the system is effectively reduced, and the requirement on the installation space is reduced.
Further, the pump source comprises a motor and an electric proportional displacement pump driven by the motor, and the stepless speed adjustment of the screw conveyor and the belt conveyor can be realized.
Further, the pump source is connected to the first hydraulic motor and the second hydraulic motor through a filter.
The utility model discloses a closed system of one set of two kinds of modes of slagging tap sharing, not only simple structure, small and the installation and use of being convenient for, it is simple convenient to control moreover, can realize the quick switching of two kinds of modes of slagging tap, can also carry out infinitely variable control to two kinds of modes of slagging tap. Additionally, the utility model discloses can also filter, replace and motion state real-time supervision to the fluid of closed system.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the hydraulic control valve assembly of the present invention;
in the figure: a first hydraulic motor 1; a second hydraulic motor 2; a first three-way ball valve 3; a first proximity switch 3-1; a second proximity switch 3-2; a third proximity switch 3-3; a fourth proximity switch 3-4; a second three-way ball valve 4; a motor 5; an electric proportional displacement pump 6; a flushing valve group 7; a two-way overflow valve group 8; a pump source 9; a temperature sensor 10; a valve block 11; a filter 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Further, the pump source 9 is connected with the first hydraulic motor 1 and the second hydraulic motor 2 through a filter 12, so that the closed hydraulic system is filtered.
Further, an oil inlet path of the first hydraulic motor 1 and an oil inlet path of the second hydraulic motor 2 are connected with an oil inlet path of the pump source 9 through the first three-way ball valve 3, an oil return path of the first hydraulic motor 1 and an oil return path of the second hydraulic motor 2 are connected with an oil return path of the pump source 9 through the second three-way ball valve 4, namely, the first hydraulic motor 1 and the second hydraulic motor 2 are connected in parallel through the three-way ball valves, and the pump source 9 can be communicated with the first hydraulic motor 1 or the pump source 9 is communicated with the second hydraulic motor 2 by switching circulation stations of the three-way ball valves.
The first three-way ball valve 3 is connected with a first proximity switch 3-1 and a second proximity switch 3-2, the second three-way ball valve 4 is connected with a third proximity switch 3-3 and a fourth proximity switch 3-4, and the first proximity switch 3-1, the second proximity switch 3-2, the third proximity switch 3-3, the fourth proximity switch 3-4 and a control valve bank of the pump source 9 are all connected with the controller. The controller realizes the conversion between the spiral conveyor slag tapping mode and the belt conveyor slag tapping mode by receiving the electric signals of the proximity switches.
Further, a flushing valve group 7 is arranged between the first three-way ball valve 3 and the pump source, between the second three-way ball valve 4 and the pump source, the flushing valve group 7 is connected between the oil inlet oil way and the oil return oil way, and oil liquid replacement can be carried out on a closed hydraulic system formed by the hydraulic pump and the hydraulic motor.
Further, be provided with two-way overflow valves 8 between the oil feed oil circuit of first hydraulic motor 1 and the oil return oil circuit of first hydraulic motor 1, avoid pressure too big, guarantee the safety of belt feeder mode of slagging tap.
Further, the leakage oil of the first hydraulic motor 1 and the leakage oil of the second hydraulic motor 2 are both connected with a temperature sensor 10, the temperature sensor 10 is connected with a controller, and the running states of the first hydraulic motor 1 and the second hydraulic motor 2 are monitored in real time.
Further, the first three-way ball valve 3, the second three-way ball valve 4, the flushing valve group 7 and the two-way overflow valve group 8 are all arranged on the same valve block 11, so that the size of the system is effectively reduced, and the requirement on the installation space is reduced.
firstly, speed adjustment is carried out, and stepless speed adjustment of the first hydraulic motor 1 and the second hydraulic motor 2 is realized by adjusting the electric proportional displacement pump 6;
and secondly, mode adjustment is carried out, the first three-way ball valve 3 and the second three-way ball valve 4 are respectively provided with a position detection device, namely, the oil circuit conduction condition of the three-way ball valves can be confirmed by detecting corresponding control signals. When the first three-way ball valve 3 and the second three-way ball valve 4 are both in the 2-way 1 station, the first proximity switch 3-1 and the third proximity switch 3-3 generate corresponding control signals, the position detection device sends the corresponding control signals to the controller, and the controller defaults to a slag tapping mode of the screw conveyor after receiving the corresponding control signals; when the first three-way ball valve 3 and the second three-way ball valve 4 are both positioned at 2-way 3 stations, corresponding control signals are generated, the position detection device sends the corresponding control signals to the controller, and the controller defaults to a slag tapping mode of the belt conveyor after receiving the corresponding control signals. The system respectively carries out corresponding control according to the control requirements under different modes.
The present invention is not exhaustive and is well known to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A bimodulus shield constructs quick-witted hydraulic system, includes pump source (9), its characterized in that: the pump source (9) is connected with a first hydraulic motor (1) for driving a belt conveyor and a second hydraulic motor (2) for driving a spiral conveyor in parallel, an oil inlet path of the first hydraulic motor (1) and an oil inlet path of the second hydraulic motor (2) are connected with an oil inlet path of the pump source (9) through a first three-way ball valve (3), an oil return path of the first hydraulic motor (1) and an oil return path of the second hydraulic motor (2) are connected with an oil return path of the pump source (9) through a second three-way ball valve (4), the first three-way ball valve (3) is connected with a first proximity switch (3-1) and a second proximity switch (3-2), the second three-way ball valve (4) is connected with a third proximity switch (3-3) and a fourth proximity switch (3-4), the first proximity switch (3-1), the second proximity switch (3-2) and the second proximity switch (3-2), The third proximity switch (3-3), the fourth proximity switch (3-4) and the control valve group of the pump source (9) are all connected with the controller.
2. The dual-mode shield tunneling machine hydraulic system of claim 1, wherein: and a flushing valve group (7) is arranged between the first three-way ball valve (3) and the pump source, between the second three-way ball valve (4) and the pump source, and the flushing valve group (7) is connected between the oil inlet oil way and the oil return oil way.
3. The dual-mode shield tunneling machine hydraulic system of claim 2, wherein: and a bidirectional overflow valve group (8) is arranged between the oil inlet way of the first hydraulic motor (1) and the oil return way of the first hydraulic motor (1).
4. The dual-mode shield tunneling machine hydraulic system according to claim 3, characterized in that: the leakage oil of the first hydraulic motor (1) and the leakage oil of the second hydraulic motor (2) are both connected with a temperature sensor (10), and the temperature sensor (10) is connected with a controller.
5. The dual-mode shield tunneling machine hydraulic system according to any one of claims 1-4, wherein: the first three-way ball valve (3), the second three-way ball valve (4), the flushing valve group (7) and the two-way overflow valve group (8) are all arranged on the same valve block (11).
6. The dual-mode shield tunneling machine hydraulic system of claim 5, wherein: the pump source (9) comprises an electric motor (5) and an electric proportional displacement pump (6) driven by the electric motor (5).
7. The dual-mode shield tunneling machine hydraulic system of claim 6, wherein: the pump source (9) is connected to the first hydraulic motor (1) and the second hydraulic motor (2) via a filter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021749221.6U CN212868059U (en) | 2020-08-20 | 2020-08-20 | Dual-mode shield tunneling machine hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021749221.6U CN212868059U (en) | 2020-08-20 | 2020-08-20 | Dual-mode shield tunneling machine hydraulic system |
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| CN212868059U true CN212868059U (en) | 2021-04-02 |
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| CN202021749221.6U Active CN212868059U (en) | 2020-08-20 | 2020-08-20 | Dual-mode shield tunneling machine hydraulic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898622A (en) * | 2021-09-10 | 2022-01-07 | 中信重工机械股份有限公司 | Pipeline connection and oil discharge method for hydraulic system of shaft heading machine |
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2020
- 2020-08-20 CN CN202021749221.6U patent/CN212868059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898622A (en) * | 2021-09-10 | 2022-01-07 | 中信重工机械股份有限公司 | Pipeline connection and oil discharge method for hydraulic system of shaft heading machine |
| CN113898622B (en) * | 2021-09-10 | 2023-07-18 | 中信重工机械股份有限公司 | Pipeline connection and oil discharge method for hydraulic system of vertical shaft heading machine |
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