CN219345112U - Emergency hydraulic system with internal leakage preventing structure and special amusement equipment - Google Patents
Emergency hydraulic system with internal leakage preventing structure and special amusement equipment Download PDFInfo
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- CN219345112U CN219345112U CN202223137413.3U CN202223137413U CN219345112U CN 219345112 U CN219345112 U CN 219345112U CN 202223137413 U CN202223137413 U CN 202223137413U CN 219345112 U CN219345112 U CN 219345112U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model discloses an emergency hydraulic system with an internal leakage preventing structure and special amusement equipment, wherein the system comprises: a first lift cylinder; the control valve group assembly is connected with the first lifting oil cylinder; the anti-leakage structure is connected with the control valve group assembly; the energy accumulator is connected with the internal leakage preventing structure and is used for preventing pressure oil in the energy accumulator from being leaked inwards; the first lifting oil cylinder, the control valve group assembly, the internal leakage preventing structure and the energy accumulator are connected through a pipeline structure, and a first oil inlet and an oil outlet are arranged on the pipeline structure. According to the utility model, by means of the arrangement mode that the energy accumulator and the control valve group assembly are connected through the internal leakage preventing structure, when an emergency hydraulic system is started in an emergency mode, equipment connected with the lifting oil cylinder can be quickly returned to an original position, and the internal leakage preventing structure prevents pressure oil in the energy accumulator from being leaked inwards, so that the aim of improving safety is fulfilled.
Description
Technical Field
The utility model relates to the field of equipment safety, in particular to an emergency hydraulic system with an internal leakage preventing structure and special amusement equipment.
Background
In the prior art, according to the safety requirement of special amusement equipment, an emergency hydraulic system is designed outside a main system, and when the main system fails or fails, the equipment can be restored to the initial position through the emergency system, so that passengers are prevented from being detained. Because the special amusement equipment serves as the tourist, if the amusement equipment runs to a certain height position, the power system is suddenly powered off or fails, and the tourist can stay at the high altitude.
In the existing emergency hydraulic system design scheme, when the situation is met, due to the characteristic of a manual emergency reversing valve of the emergency hydraulic system, a spool of the emergency hydraulic system is a spool valve spool, the emergency hydraulic system belongs to clearance sealing, a certain internal leakage amount exists, after equipment stands for one night, the pressure of an energy accumulator is about 40% lower than the set pressure due to internal leakage of the manual emergency reversing valve, and at the moment, the equipment cannot be restored to the initial position, so that potential safety hazards exist.
Accordingly, there is a need for improvement and development in the art.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, provides an emergency hydraulic system with an anti-internal leakage structure and special amusement equipment, and aims to solve the problem that the safety of the emergency hydraulic system in the prior art is to be improved.
The technical scheme adopted for solving the technical problems is as follows:
an emergency hydraulic system with an anti-internal leakage structure, wherein it comprises:
a first lift cylinder;
the control valve group assembly is connected with the first lifting oil cylinder;
the anti-leakage structure is connected with the control valve group assembly;
the energy accumulator is connected with the internal leakage preventing structure and is used for preventing pressure oil in the energy accumulator from being leaked inwards;
the first lifting oil cylinder, the control valve group assembly, the internal leakage preventing structure and the energy accumulator are connected through a pipeline structure, and a first oil inlet and an oil outlet are arranged on the pipeline structure.
Optionally, the control valve assembly includes:
the first reversing valve is connected with the first lifting oil cylinder;
the emergency valve is connected with the internal leakage preventing structure;
one end of the first one-way valve is connected with the emergency valve;
one end of the second one-way valve is connected with the emergency valve;
the other end of the first one-way valve is connected with the rodless cavity of the first lifting oil cylinder, the other end of the second one-way valve is connected with the rod cavity of the first lifting oil cylinder, and the emergency valve is communicated with the first oil inlet or the oil outlet.
Optionally, the pipeline structure includes:
the first pipeline is connected with the first oil inlet, the first reversing valve and the rodless cavity of the first lifting oil cylinder;
the second pipeline is connected with a rod cavity of the first lifting oil cylinder, the first reversing valve and the oil outlet;
the third pipeline is connected with the energy accumulator, the anti-internal leakage structure, the emergency valve, the second one-way valve and the rod cavity of the first lifting oil cylinder;
and the fourth pipeline is connected with the rodless cavity of the first lifting oil cylinder, the first one-way valve, the emergency valve and the oil outlet.
Optionally, the system further comprises:
a second lifting cylinder;
the control valve block assembly further includes:
the second reversing valve is connected with the second lifting oil cylinder;
one end of the third one-way valve is connected with the emergency valve;
one end of the fourth one-way valve is connected with the emergency valve;
the other end of the third one-way valve is connected with the rodless cavity of the second lifting oil cylinder, and the other end of the fourth one-way valve is connected with the rod cavity of the second lifting oil cylinder.
Optionally, the pipeline structure further includes:
a fifth pipeline connected with the emergency valve, the fourth one-way valve and the rod cavity of the second lifting oil cylinder;
a sixth pipeline connected with the rodless cavity of the second lifting oil cylinder, the third one-way valve and the emergency valve;
and the seventh pipeline is connected with the second oil inlet and the energy accumulator.
Optionally, a fifth one-way valve is arranged at the first oil inlet end of the first pipeline, and a sixth one-way valve is arranged at the second oil inlet end of the seventh pipeline.
Optionally, the anti-internal leakage structure is an anti-internal leakage ball valve.
Optionally, the first reversing valve and the second reversing valve are three-position four-way reversing valves, and the emergency valve is a two-position four-way reversing valve.
Optionally, the method further comprises:
the energy accumulator safety valve group is connected with the energy accumulator;
the pressure gauge is connected with the energy accumulator safety valve group;
and the pressure sensor is connected with the energy accumulator safety valve group.
A special play apparatus comprising an emergency hydraulic system as claimed in any one of the preceding claims having an anti-internal leakage arrangement.
The beneficial effects are that: the utility model provides an emergency hydraulic system with an internal leakage prevention structure and special amusement equipment, wherein the internal leakage prevention ball valve is adjacently connected with the emergency valve, the internal leakage prevention ball valve is connected with an energy accumulator and the emergency valve, when the emergency hydraulic system is started in an emergency, a slide valve type valve core in a clearance sealing mode of the emergency valve is blocked by the internal leakage prevention ball valve which is adjacently connected, so that the effect of preventing pressure oil in the energy accumulator from being leaked is achieved, the energy accumulator is maintained, and equipment connected with a corresponding lifting oil cylinder can be quickly returned to an original position by controlling the emergency valve, thereby improving the safety of the system.
Drawings
Fig. 1 is a schematic diagram of an emergency hydraulic system with an anti-internal leakage structure according to the working principle under a normal state.
Fig. 2 is a schematic diagram of an emergency hydraulic system with an anti-internal leakage structure according to the present utility model in an emergency state.
Reference numerals illustrate:
110-a first lifting cylinder; 120-a second lifting oil cylinder; 200-a control valve group assembly; 210-emergency valve; 221-a first reversing valve; 222-a first one-way valve; 223-a second one-way valve; 231-a second reversing valve; 232-a third one-way valve; 233-a fourth one-way valve; 300-an anti-leakage structure; 400-accumulator; 410-accumulator safety valve group; 411-first ball valve; 412-a second ball valve; 413-a safety valve; 420-a pressure sensor; 430-pressure gauge.
Detailed Description
The utility model provides an emergency hydraulic system with an internal leakage preventing structure and special amusement equipment, which are used for making the purposes, the technical scheme and the effects of the utility model clearer and more definite, and are further described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should also be noted that in the drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus, terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
According to the safety requirements of special amusement equipment, an emergency hydraulic system is designed outside the main system, and when the main system fails or fails, the equipment can be restored to the initial position through the emergency system, so that passengers are prevented from being detained.
Because its service object of special amusement equipment is the visitor, if amusement equipment moves to a certain altitude position, the driving system outage suddenly or trouble, the visitor will stay in the high altitude, can bring certain injury to visitor's mind, this emergency hydraulic system is in order to solve this problem, when meetting above-mentioned circumstances, emergency starting emergency hydraulic system, can get back to the home position with equipment fast, this potential safety hazard has been eliminated, and because the characteristic of emergency hydraulic system itself manual emergent switching valve, its case is the spool valve case, belong to the clearance seal, can have certain internal leakage volume, after equipment is stood one night, can be because the internal leakage of manual emergent switching valve, lead to energy storage ware pressure to drop about 40% than the settlement pressure, will not resume equipment to the home position this moment, there is the potential safety hazard.
In order to solve the above problems, the present utility model provides an emergency hydraulic system having an anti-internal leakage structure, as shown in fig. 1, comprising:
a first lift cylinder 110;
a control valve assembly 200 connected to the first lift cylinder 110;
an anti-leakage structure 300 connected to the control valve assembly 200;
an accumulator 400 connected to the anti-leakage structure 300, wherein the anti-leakage structure 300 is used for preventing pressure oil in the accumulator 400 from being leaked inwards;
the first lift cylinder 110, the control valve assembly 200, the anti-leakage structure 300, and the accumulator 400 are connected by a pipeline structure, and a first oil inlet (i.e., a P1 port in fig. 1) and an oil outlet (i.e., a T port located on the right side of the P1 end in fig. 1) are disposed on the pipeline structure.
Specifically, the first oil inlet P1 is connected with a hydraulic oil tank containing working pressure oil, so that the hydraulic oil tank is used for providing pressure oil for the system in a normal working state, and the oil outlet T is also connected with the hydraulic oil tank or communicated with other collecting boxes; in an emergency working state, the pressure oil in the energy accumulator 400 is conveyed to the rod cavity of the first lifting oil cylinder 110 through the control valve group assembly 200, and the pressure oil in the energy accumulator is prevented from being leaked inwards by matching with the surface or line sealing effect of the anti-leakage structure 300, so that equipment connected with the first lifting oil cylinder 110 is reset, and potential safety hazards are eliminated.
In the preferred embodiment of the emergency hydraulic system with the internal leakage preventing structure, by adopting the technical scheme, the arrangement mode that the internal leakage preventing structure 300 is used for connecting the energy accumulator 400 and the control valve group assembly 200 can quickly return equipment connected with the lifting oil cylinder to the original position when the emergency hydraulic system is started in an emergency, and the internal leakage preventing structure 300 is used for preventing pressure oil in the energy accumulator 400 from being leaked, so that the aim of improving safety is fulfilled.
In a preferred embodiment of the present utility model, as shown in FIG. 1, the control valve assembly 200 comprises:
a first reversing valve 221 connected to the first lift cylinder 110;
an emergency valve 210 connected with the leakage preventing structure 300;
a first check valve 222, wherein one end (i.e., the left circular end in fig. 1) of the first check valve 222 is connected to the emergency valve 210;
a second check valve 223, wherein one end (i.e., a left side tri-fork end of fig. 1) of the second check valve 223 is connected to the emergency valve 210;
the other end (i.e., the right-side three-fork end in fig. 1) of the first check valve 222 is connected to the rodless cavity (i.e., the lower cavity in fig. 1) of the first lift cylinder 110, the other end (i.e., the right-side circular end in fig. 1) of the second check valve 223 is connected to the rod cavity (i.e., the upper cavity in fig. 1) of the first lift cylinder 110, and the emergency valve 210 is communicated with the first oil inlet P1 or the oil outlet T.
It should be noted that, the emergency valve 210 is an emergency hydraulic system manual valve, the first reversing valve 221 is a main hydraulic system reversing valve, and the main hydraulic system reversing valve may be a standard valve or a proportional valve, and it should be noted that a pipeline structure (i.e. an oil path) may be added with a throttle valve or a hydraulic lock or a balance valve according to the action working conditions of different devices, which is not limited herein specifically.
Specifically, as shown in fig. 1, the emergency valve 210 is connected to the outlet end of the first check valve 222 and the anti-leakage structure 300, so that hydraulic oil of the accumulator 400 does not pass through the first check valve 222 and the emergency valve 210 is connected to the inlet end of the second check valve 223 and the oil outlet T in the normal operation state of the system.
In a preferred embodiment of the present utility model, the anti-internal leakage structure 300 is an anti-internal leakage ball valve (i.e., an anti-emergency valve internal leakage device ball valve).
Description of the working principle of the internal leakage prevention ball valve 300: in consideration of convenience and rapidity in starting the emergency hydraulic system, the anti-internal leakage ball valve 300 is installed beside the emergency valve 210 (manual valve), and can be operated in time when the emergency hydraulic system needs to be started. Because the sealing mode of the anti-internal leakage ball valve 300 is surface or line sealing, the effect is much better than that of the gap sealing of the emergency valve 210, and internal leakage hardly exists, so that under normal conditions, the anti-internal leakage ball valve 300 is in a closed state, the pressure of the energy accumulator 400 can be ensured not to fall, the actual use condition is met, and the safety performance is improved.
According to the utility model, the anti-internal-leakage ball valve 300 is adjacently connected with the emergency valve 210, so that when the self-clearance-sealing type spool valve of the emergency valve 210 leaks internally, the anti-internal-leakage ball valve 300 adjacently connected with the spool valve is used for blocking, the effect of preventing pressure oil from leaking internally is achieved, and the safety of the system is further improved.
In another preferred embodiment, the anti-leakage structure 300 includes a motor, a transmission structure and a baffle plate, and the transmission structure is driven by the motor (for example, a driving shaft is connected with the motor, a half gear fixedly connected on the driving shaft is meshed with the end of the baffle plate), so as to drive the baffle plate to shield the surface sealing form of the pressure oil, thereby preventing the pressure oil from being leaked.
In a preferred embodiment of the present utility model, the piping structure comprises:
a first pipeline connecting the first oil inlet P1, the first reversing valve 221 and the rodless cavity of the first lift cylinder 110;
a second pipeline connected with the rod cavity of the first lifting cylinder 110, the first reversing valve 221 and the oil outlet T;
a third pipeline connecting the accumulator 400, the anti-internal leakage structure 300, the emergency valve 210, the second check valve 223 and the rod cavity of the first lift cylinder 110;
and a fourth pipeline connected with the rodless cavity of the first lift cylinder 110, the first check valve 222, the emergency valve 210 and the oil outlet T.
Specifically, as shown in fig. 1, the working principle of the main system in normal operation is described: working pressure oil enters the first reversing valve 221 through the first oil inlet P1, and the first lifting oil cylinder 110 is extended or retracted according to the on-off condition of an electromagnet of the first reversing valve 221, so that lifting of amusement equipment is realized, and the safety of a system is improved.
Further, working pressure oil enters the first reversing valve 221 in the first pipeline through the first oil inlet P1, and is started through the first reversing valve 221 (moves rightwards on the premise of fig. 1), so that the pressure oil enters the rodless cavity of the first lifting oil cylinder 110, the extension of the oil cylinder rod is realized, and meanwhile, the pressure oil in the rod cavity of the first lifting oil cylinder 110 passes through the oil outlet T in the second pipeline through the first reversing valve 221.
As shown in fig. 2, the working principle of the emergency hydraulic system in an emergency state is described: when the main power system is powered off or fails, the first port P1 of the oil inlet is not capable of providing pressure oil, at this time, the emergency hydraulic system is started, the anti-internal-leakage ball valve 300 is opened, the emergency valve 210 is manually operated (as shown in fig. 2), the pressure oil is obtained from the accumulator 400, hydraulic oil enters the rod cavity of the first lifting oil cylinder 110 in the third pipeline through the anti-internal-leakage ball valve 300, the emergency valve 210 and the second check valve 223, at this time, the rodless cavity of the first lifting oil cylinder 110 in the fourth pipeline passes through the first check valve 222 and then reaches the port T of the oil outlet to the hydraulic oil tank through the emergency valve 210, so as to form a hydraulic circuit, thereby retracting the first lifting oil cylinder 110 and achieving the purpose of returning the equipment to the original position.
In a preferred embodiment of the utility model, the system further comprises:
a second lift cylinder 120;
the control valve assembly 200 further includes:
a second reversing valve 231 connected to the second lift cylinder 120;
a third check valve 232, one end (left outlet end in fig. 1) of the third check valve 232 is connected to the emergency valve 210;
a fourth check valve 233, one end (left inlet end in fig. 1) of the fourth check valve 233 is connected to the emergency valve 210;
the other end (right inlet end in fig. 1) of the third check valve 232 is connected to the rodless cavity of the second lift cylinder 120, and the other end (right outlet end in fig. 1) of the fourth check valve 233 is connected to the rod cavity of the second lift cylinder 120.
Specifically, the second reversing valve 231 is another reversing valve of the main hydraulic system, and two lifting cylinders are adopted in the utility model, and actually the two lifting cylinders are of a left mechanism and a right mechanism, and can be synchronized through corresponding reversing valves or not, and the two mechanisms are not particularly limited herein. The principle of the two lifting cylinders in the normal working state and the emergency working state is the same, and the description is omitted here.
As shown in fig. 1, the pipeline structure further includes:
a fifth pipeline connecting the emergency valve 210, the fourth check valve 232 and the rod cavity of the second lift cylinder 120;
a sixth pipeline connecting the rodless cavity of the second lift cylinder 120, the third check valve 232, and the emergency valve 210;
and a seventh pipeline, which connects the second oil inlet P2 (i.e. the inlet for the pressure oil input to the accumulator in the lower left direction in fig. 1) and the accumulator 400.
The working principle under the emergency state of the system also comprises: the anti-internal leakage ball valve 300 is opened, the emergency valve 210 is manually operated (as shown in fig. 2), pressure oil is obtained from the energy accumulator 400, hydraulic oil enters a rod cavity of the second lifting oil cylinder 120 in a third pipeline and a fifth pipeline through the anti-internal leakage ball valve 300, the emergency valve 210 and the fourth one-way valve 233, at the moment, a rodless cavity of the second lifting oil cylinder 120 in the sixth pipeline is communicated with an oil outlet port T to a hydraulic oil tank through the third one-way valve 232 and then communicated with the emergency valve 210 to form a hydraulic loop, so that the second lifting oil cylinder 120 is retracted, and the purpose of returning equipment to the original position is achieved.
In a preferred embodiment of the present utility model, the first oil inlet P1 end of the first pipeline is provided with a fifth check valve 510, and the second oil inlet P2 end of the seventh pipeline is provided with a sixth check valve 520. So that pressure oil can only be fed from the hydraulic oil tank via the first oil inlet P1 and/or the second oil inlet P2.
In a preferred embodiment of the present utility model, the first reversing valve 221 and the second reversing valve 231 are three-position four-way reversing valves, and the emergency valve 210 is a two-position four-way reversing valve.
In a preferred embodiment of the present utility model, as shown in fig. 1 or 2, the system further comprises:
an accumulator valve block 410 connected to the accumulator 400;
a pressure gauge 420 connected to the accumulator valve block 410;
and a pressure sensor 430 connected to the accumulator valve manifold 410.
Specifically, the accumulator safety valve group 410 includes a first ball valve 411, a second ball valve 412, and a safety valve 413, the safety valve is connected to the first ball valve 411 and the second ball valve 412, the first ball valve 411 is connected to the accumulator 400 and the second oil inlet P2, and the second ball valve 412 is connected to the pressure sensor 420 and the oil outlet T. Note that the first ball valve 411 is in a normally open state, and the second ball valve 412 is in a normally closed state.
Description of the principle of operation of accumulator 400 in charging: when the pressure of the accumulator 400 is detected to be lower than the lower limit value set by the pressure sensor 420 from the pressure gauge 430 or the pressure sensor 420 (the pressure setting of the accumulator 400 can be set by the safety valve 413 in the accumulator safety valve group 410), the pressure charging system of the accumulator 400 is started automatically or manually, at this time, the pressure oil charges the accumulator 400 from the second oil inlet P2 through the first ball valve 411 of the accumulator safety valve group 410 until the upper limit value set by the pressure sensor 420 is reached, and the pressure charging system stops automatically.
Based on the embodiment, the utility model further provides special amusement equipment, wherein the special amusement equipment comprises the emergency hydraulic system with the internal leakage preventing structure.
The special amusement equipment provided by the utility model has all the beneficial effects because the emergency hydraulic system with the internal leakage preventing structure is arranged in any one of the technical schemes, and the detailed description is omitted.
In summary, the utility model provides an emergency hydraulic system with an internal leakage prevention structure and special amusement equipment, the internal leakage prevention ball valve is adjacently connected with the emergency valve, the internal leakage prevention ball valve is connected with an energy accumulator and the emergency valve is arranged, when the emergency hydraulic system is started in an emergency mode, when a slide valve type valve core in a clearance sealing mode of the emergency valve is in internal leakage, the internal leakage prevention ball valve which is adjacently connected is used for blocking, the effect of preventing pressure oil in the energy accumulator from being leaked is achieved, the energy accumulator is enabled to maintain pressure, and equipment connected with a corresponding lifting oil cylinder can be quickly returned to an original position by controlling the emergency valve, so that the safety of the system is improved.
It is to be understood that the utility model is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (10)
1. An emergency hydraulic system with an anti-internal leakage structure, comprising:
a first lift cylinder;
the control valve group assembly is connected with the first lifting oil cylinder;
the anti-leakage structure is connected with the control valve group assembly;
the energy accumulator is connected with the internal leakage preventing structure and is used for preventing pressure oil in the energy accumulator from being leaked inwards;
the first lifting oil cylinder, the control valve group assembly, the internal leakage preventing structure and the energy accumulator are connected through a pipeline structure, and a first oil inlet and an oil outlet are arranged on the pipeline structure.
2. The emergency hydraulic system with an anti-internal leakage structure of claim 1, wherein the control valve block assembly comprises:
the first reversing valve is connected with the first lifting oil cylinder;
the emergency valve is connected with the internal leakage preventing structure;
one end of the first one-way valve is connected with the emergency valve;
one end of the second one-way valve is connected with the emergency valve;
the other end of the first one-way valve is connected with the rodless cavity of the first lifting oil cylinder, the other end of the second one-way valve is connected with the rod cavity of the first lifting oil cylinder, and the emergency valve is communicated with the first oil inlet or the oil outlet.
3. The emergency hydraulic system with an anti-internal leakage structure of claim 2, wherein the piping structure comprises:
the first pipeline is connected with the first oil inlet, the first reversing valve and the rodless cavity of the first lifting oil cylinder;
the second pipeline is connected with a rod cavity of the first lifting oil cylinder, the first reversing valve and the oil outlet;
the third pipeline is connected with the energy accumulator, the anti-internal leakage structure, the emergency valve, the second one-way valve and the rod cavity of the first lifting oil cylinder;
and the fourth pipeline is connected with the rodless cavity of the first lifting oil cylinder, the first one-way valve, the emergency valve and the oil outlet.
4. The emergency hydraulic system with anti-internal leakage feature of claim 3, further comprising:
a second lifting cylinder;
the control valve block assembly further includes:
the second reversing valve is connected with the second lifting oil cylinder;
one end of the third one-way valve is connected with the emergency valve;
one end of the fourth one-way valve is connected with the emergency valve;
the other end of the third one-way valve is connected with the rodless cavity of the second lifting oil cylinder, and the other end of the fourth one-way valve is connected with the rod cavity of the second lifting oil cylinder.
5. The emergency hydraulic system with an anti-internal leakage structure of claim 4, wherein the piping structure further comprises:
a fifth pipeline connected with the emergency valve, the fourth one-way valve and the rod cavity of the second lifting oil cylinder;
a sixth pipeline connected with the rodless cavity of the second lifting oil cylinder, the third one-way valve and the emergency valve;
and the seventh pipeline is connected with the second oil inlet and the energy accumulator.
6. The emergency hydraulic system with the internal leakage prevention structure according to claim 5, wherein a fifth one-way valve is arranged at a first oil inlet end of the first pipeline, and a sixth one-way valve is arranged at a second oil inlet end of the seventh pipeline.
7. The emergency hydraulic system with an anti-internal leakage structure of claim 1, wherein the anti-internal leakage structure is an anti-internal leakage ball valve.
8. The emergency hydraulic system with an internal leakage prevention structure according to claim 4, wherein the first reversing valve and the second reversing valve are three-position four-way reversing valves, and the emergency valve is a two-position four-way reversing valve.
9. The emergency hydraulic system with an anti-internal leakage structure of claim 1, further comprising:
the energy accumulator safety valve group is connected with the energy accumulator;
the pressure gauge is connected with the energy accumulator safety valve group;
and the pressure sensor is connected with the energy accumulator safety valve group.
10. A special amusement device, characterized in that it comprises an emergency hydraulic system with an anti-internal leakage structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223137413.3U CN219345112U (en) | 2022-11-24 | 2022-11-24 | Emergency hydraulic system with internal leakage preventing structure and special amusement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223137413.3U CN219345112U (en) | 2022-11-24 | 2022-11-24 | Emergency hydraulic system with internal leakage preventing structure and special amusement equipment |
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| CN219345112U true CN219345112U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223137413.3U Active CN219345112U (en) | 2022-11-24 | 2022-11-24 | Emergency hydraulic system with internal leakage preventing structure and special amusement equipment |
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| CN (1) | CN219345112U (en) |
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