CN210507538U - Hydraulic well cover for urban comprehensive pipe gallery - Google Patents
Hydraulic well cover for urban comprehensive pipe gallery Download PDFInfo
- Publication number
- CN210507538U CN210507538U CN201921070429.2U CN201921070429U CN210507538U CN 210507538 U CN210507538 U CN 210507538U CN 201921070429 U CN201921070429 U CN 201921070429U CN 210507538 U CN210507538 U CN 210507538U
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- oil
- pipe
- oil pipe
- valve
- well lid
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- 239000003921 oil Substances 0.000 claims abstract description 189
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a hydraulic well lid of an urban comprehensive pipe gallery, wherein a lid body is hinged on the upper edge of the connecting side of a mounting seat to open and close the upper port of the mounting seat; a support is arranged on the inner side of the connecting side, two ends of the oil cylinder are respectively hinged to the support and the inner side of the cover body, and a rod cavity and a rodless cavity of the oil cylinder are respectively communicated with a first oil pipe and a second oil pipe; the oil tank and the motor are arranged on the inner side of the connecting side, the oil pump is arranged in the oil tank, the motor drives the oil pump to work and inputs hydraulic oil into the oil outlet pipe, the oil tank is also provided with an oil return pipe, and the oil return pipe and the oil outlet pipe are connected with the first oil pipe and the second oil pipe through a three-position four-way reversing solenoid valve; the inner side of the connecting side is also provided with an energy accumulator, the energy accumulator is connected with the second oil pipe through a third oil pipe, the third oil pipe is provided with a first manual stop valve, and a second manual stop valve is arranged between the first oil pipe and the second oil pipe. This city utility tunnel hydraulic pressure well lid can open rapidly under emergency such as outage.
Description
Technical Field
The utility model relates to a city utility tunnel hydraulic pressure well lid.
Background
Piping lane hydraulic pressure well lid main function provides inspection, maintenance, flees and the main passageway that the material was delivered for piping lane constructor, and it also has the function that prevents the illegal entering piping lane of personnel simultaneously.
General hydraulic pressure well lid comprises parts such as hydro-cylinder, motor pump group, oil tank, electric cabinet and oil pipe, and when current piping lane hydraulic pressure well lid used, if emergency outage appeared, for example during the conflagration, personnel can't open the well lid rapidly in the well lid and flee, brought certain hidden danger for construction safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a city utility tunnel hydraulic pressure well lid, this city utility tunnel hydraulic pressure well lid can be opened rapidly under emergency such as outage.
In order to achieve the above object, the utility model provides a city utility tunnel hydraulic pressure well lid, this city utility tunnel hydraulic pressure well lid includes: the mounting seat is of a frame structure which is communicated up and down, and the cover body is hinged to the upper edge of the connecting side of the mounting seat so as to open and close the upper port of the mounting seat; a support extending vertically downwards is arranged on the inner side of the connecting side, two ends of an oil cylinder are respectively hinged to the inner sides of the support and the cover body, and a rod cavity and a rodless cavity of the oil cylinder are respectively communicated with a first oil pipe and a second oil pipe; an oil tank and a motor are further arranged on the inner side of the connecting side, an oil pump is arranged in the oil tank, the motor drives the oil pump to work and inputs hydraulic oil into an oil outlet pipe, an oil return pipe is further arranged on the oil tank, and the oil return pipe and the oil outlet pipe are connected with the first oil pipe and the second oil pipe through a three-position four-way reversing solenoid valve; the inner side of the connecting side is further provided with an energy accumulator, the energy accumulator is connected with the second oil pipe through a third oil pipe, a first manual stop valve is arranged on the third oil pipe, and a second manual stop valve is arranged between the first oil pipe and the second oil pipe.
Preferably, a valve block is further arranged on the inner side of the connecting side, and the first manual stop valve and the second manual stop valve are integrated on the valve block.
Preferably, the insides of the support and the cover body are respectively provided with a pin seat, a pin is arranged on the pin seat, and two ends of the oil cylinder are provided with earrings matched with the pins.
Preferably, an electric cabinet is further arranged on the inner side of the connecting side, and the electric cabinet is electrically connected to the motor and the three-position four-way reversing solenoid valve.
Preferably, the oil return pipe and the oil outlet pipe are both provided with one-way valves.
Preferably, the rod cavity and the rodless cavity of the oil cylinder are respectively communicated with a fourth oil pipe and a fifth oil pipe which extend out of the cover body, and the middle parts of the fourth oil pipe and the fifth oil pipe are connected with a bidirectional hydraulic lock.
Preferably, the third oil pipe is also provided with a pressure gauge and a one-way overflow valve.
Preferably, the oil pump is a tandem pump.
Preferably, a high-pressure small-displacement pump and a low-pressure large-displacement pump are arranged in the duplex pump; a sequence valve is connected to the high-pressure small displacement pump, an oil drainage port on the sequence valve is communicated with the second oil pipe, and an oil outlet on the sequence valve is communicated with an oil tank; the low-pressure large-displacement pump is connected with an overflow valve, and an oil outlet of the overflow valve is communicated with an oil tank.
According to the above technical solution, the mounting base in the present invention is a frame structure that is through from top to bottom, and the cover body is hinged to the upper edge of the connection side of the mounting base to open and close the upper port of the mounting base; a support extending vertically downwards is arranged on the inner side of the connecting side, two ends of an oil cylinder are respectively hinged to the inner sides of the support and the cover body, and a rod cavity and a rodless cavity of the oil cylinder are respectively communicated with a first oil pipe and a second oil pipe; an oil tank and a motor are further arranged on the inner side of the connecting side, an oil pump is arranged in the oil tank, the motor drives the oil pump to work and inputs hydraulic oil into an oil outlet pipe, an oil return pipe is further arranged on the oil tank, and the oil return pipe and the oil outlet pipe are connected with the first oil pipe and the second oil pipe through a three-position four-way reversing solenoid valve; the inner side of the connecting side is further provided with an energy accumulator, the energy accumulator is connected with the second oil pipe through a third oil pipe, a first manual stop valve is arranged on the third oil pipe, and a second manual stop valve is arranged between the first oil pipe and the second oil pipe. When the hydraulic cylinder normally works, the first manual stop valve and the second manual stop valve are closed, the flow directions of hydraulic oil in the first oil pipe and the second oil pipe are controlled through the three-position four-way reversing electromagnetic valve, and then the piston rod on the oil cylinder is controlled to extend and retract. Under emergency such as power failure, the motor can't normally work, when sending the hydraulic oil in the oil tank into the hydro-cylinder, at this moment, open first manual stop valve and the manual stop valve of second for the accumulator supplies the oil to the hydro-cylinder, makes the rodless chamber of hydro-cylinder and has the pole chamber intercommunication through the manual stop valve of second, forms quick differential return circuit, and the piston rod of hydro-cylinder consequently can stretch out fast, and then accomplishes the work of opening to the lid.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall structure diagram of a preferred embodiment of a hydraulic well lid of an urban comprehensive pipe gallery;
fig. 2 is a schematic diagram of an oil circuit of a preferred embodiment of a hydraulic well cover of an urban comprehensive pipe gallery.
Description of the reference numerals
1 mounting base 2 cover
3 oil tank 4 valve block
5 energy accumulator 6 support
7 motor 8 oil cylinder
9 first manual stop valve 10 second manual stop valve
11 pin seat 12 electric cabinet
13 double pump 14 overflow valve
15 oil return pipe 16 one-way valve
17 three-position four-way reversing electromagnetic valve 18 first oil pipe
19 oil outlet pipe 20 sequence valve
21 second oil pipe 22 third oil pipe
24 pressure gauge with 23 one-way overflow valve
25 fourth oil pipe 26 fifth oil pipe
27 bidirectional hydraulic lock
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to the city utility tunnel hydraulic pressure well lid shown in fig. 1-2, this city utility tunnel hydraulic pressure well lid includes: the mounting base 1 is a frame structure which is penetrated up and down, and the cover body 2 is hinged to the upper edge of the connecting side of the mounting base 1 to open and close the upper port of the mounting base 1; a bracket 6 extending vertically and downwards is arranged on the inner side of the connecting side, two ends of an oil cylinder 8 are respectively hinged to the bracket 6 and the inner side of the cover body 2, and a rod cavity and a rodless cavity of the oil cylinder 8 are respectively communicated with a first oil pipe 18 and a second oil pipe 21; an oil tank 3 and a motor 7 are further arranged on the inner side of the connecting side, an oil pump is arranged in the oil tank 3, the motor 7 drives the oil pump to work and inputs hydraulic oil into an oil outlet pipe 19, an oil return pipe 15 is further arranged on the oil tank 3, and the oil return pipe 15 and the oil outlet pipe 19 are connected with the first oil pipe 18 and the second oil pipe 21 through a three-position four-way reversing electromagnetic valve 17; the inner side of the connecting side is further provided with an energy accumulator 5, the energy accumulator 5 is connected with the second oil pipe 21 through a third oil pipe 22, the third oil pipe 22 is provided with a first manual stop valve 9, and a second manual stop valve 10 is arranged between the first oil pipe 18 and the second oil pipe 21.
Through the implementation of the technical scheme, when the hydraulic cylinder works normally, the first manual stop valve 9 and the second manual stop valve 10 are closed, the flow direction of hydraulic oil in the first oil pipe 18 and the flow direction of hydraulic oil in the second oil pipe 21 are controlled through the three-position four-way reversing electromagnetic valve 17, and then the piston rod on the oil cylinder 8 is controlled to extend and retract. Under emergency such as power failure, motor 7 can't normally work, when sending into the hydro-cylinder 8 with the hydraulic oil in the oil tank 3, at this moment, open first manual stop valve 9 and the manual stop valve 10 of second for the energy storage ware supplies oil for hydro-cylinder 8, make the no pole chamber of hydro-cylinder 8 and have the pole chamber intercommunication through the manual stop valve 10 of second, form quick differential return circuit, the piston rod of hydro-cylinder 8 consequently can stretch out fast, and then accomplish the work of opening to lid 2.
In this embodiment, in order to facilitate the operation of the first manual shutoff valve 9 and the second manual shutoff valve 10, it is preferable that a valve block 4 is further provided inside the connection side, and the first manual shutoff valve 9 and the second manual shutoff valve 10 are integrated with the valve block 4.
In this embodiment, in order to further provide a connection manner of the oil cylinder 8, it is preferable that the bracket 6 and the inner side of the cover 2 are respectively provided with a pin seat 11, a pin is provided on the pin seat 11, and two ends of the oil cylinder 8 are provided with lugs matched with the pin. The earring is sleeved on the pin and can rotate by taking the pin as a center.
In this embodiment, in order to further facilitate the electric control operation, it is preferable that an electric control box 12 is further provided on the inner side of the connection side, and the electric control box 12 is electrically connected to the motor 7 and a three-position four-way reversing solenoid valve 17. The electric cabinet 12 is provided with a button for controlling the rotation of the motor 7 and an operation key for controlling the position of the three-position four-way reversing solenoid valve 17, and by controlling the three-position four-way reversing solenoid valve 17 to be at different positions, the hydraulic oil sequentially passes through the oil outlet pipe 19 and the first oil pipe 18 to supply oil to the rod cavity, or sequentially passes through the oil outlet pipe 19 and the second oil pipe 21 to supply oil to the rodless cavity, so that the extension of the piston rod in the control oil cylinder 8 is realized.
In this embodiment, in order to make the piston rod in the cylinder 8 operate smoothly, it is preferable that the oil return pipe 15 and the oil outlet pipe 19 are each provided with a check valve 16. The addition of the check valve 16 causes the cylinder 8 to create a back pressure, and the flow direction of the check valve 16 is the same as the flow direction of the hydraulic oil in the oil return pipe 15 or the oil outlet pipe 19.
In this embodiment, in order to facilitate the opening of the cover 2 by the manual pump at the outside of the cover 2, preferably, the rod chamber and the rodless chamber of the cylinder 8 are further respectively communicated with a fourth oil pipe 25 and a fifth oil pipe extending out of the cover 2, and a bidirectional hydraulic lock 27 is coupled to the middle portions of the fourth oil pipe 25 and the fifth oil pipe. The cover body 2 is correspondingly provided with mounting holes for mounting the fourth oil pipe 25 and the fifth oil pipe, and the mounting holes are plugged by plugs when not used at ordinary times. The bidirectional hydraulic lock 27 has the function that when the plug on the cover body 2 is unscrewed when the manual pump is used outside the cover body 2 to open the well lid, oil in the pipe cannot be sprayed out.
In this embodiment, it is preferable that a pressure gauge 24 and a one-way relief valve 14 are further provided in the third oil pipe 22. The pressure gauge 24 can monitor the pressure of the accumulator 5 in real time, and the one-way overflow valve 14 is used for adjusting the extension speed of the piston rod.
In this embodiment, in order to further obtain a better oil supply effect, it is preferable that the oil pump is a tandem pump 13.
In this embodiment, in order to further optimize the oil supply of the double pump 13 to the accumulator 5, so that the accumulator 5 recovers the original pressure, preferably, a high-pressure small-displacement pump and a low-pressure large-displacement pump are arranged in the double pump 13; a sequence valve 20 is connected to the high-pressure small displacement pump, an oil drain port on the sequence valve 20 is communicated with the second oil pipe 21, and an oil outlet on the sequence valve 20 is communicated with the oil tank 3; an overflow valve 14 is connected to the low-pressure large-displacement pump, and an oil outlet of the overflow valve 14 is communicated with the oil tank 3. When the accumulator is supplied with oil, the second manual stop valve 10 is closed, the pressure of the sequence valve 20 is adjusted to be the lowest, the overflow pressure of the overflow valve 14 is increased, the low-pressure large-displacement pump in the dual pump 13 is unloaded and directly flows back to the oil tank 3, the high-pressure small-displacement pump supplies oil to the system, referring to fig. 2, the three-position four-way reversing electromagnetic valve 17 is adjusted to the left position, hydraulic oil is supplied to the piston rodless cavity and the accumulator, the value of the pressure gauge 24 is observed after the piston rod moves to the stroke end, the first manual stop valve 9 is closed after the piston rod reaches the specified oil filling pressure, and oil filling is.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. The utility model provides a city utility tunnel hydraulic pressure well lid, its characterized in that, city utility tunnel hydraulic pressure well lid includes: the mounting structure comprises a mounting seat (1) and a cover body (2), wherein the mounting seat (1) is of a vertically-through frame structure, and the cover body (2) is hinged to the upper edge of the connecting side of the mounting seat (1) so as to open and close the upper port of the mounting seat (1);
a support (6) extending vertically and downwards is arranged on the inner side of the connecting side, two ends of an oil cylinder (8) are respectively hinged to the support (6) and the inner side of the cover body (2), and a rod cavity and a rodless cavity of the oil cylinder (8) are respectively communicated with a first oil pipe (18) and a second oil pipe (21);
an oil tank (3) and a motor (7) are further arranged on the inner side of the connecting side, an oil pump is arranged in the oil tank (3), the motor (7) drives the oil pump to work and inputs hydraulic oil into an oil outlet pipe (19), an oil return pipe (15) is further arranged on the oil tank (3), and the oil return pipe (15) and the oil outlet pipe (19) are connected with the first oil pipe (18) and the second oil pipe (21) through a three-position four-way reversing electromagnetic valve (17);
the inboard of connecting the side still is provided with energy storage ware (5), energy storage ware (5) with connect through third oil pipe (22) between second oil pipe (21), be provided with first manual stop valve (9) on third oil pipe (22), be provided with second manual stop valve (10) between first oil pipe (18) and second oil pipe (21).
2. The urban utility tunnel hydraulic well lid according to claim 1, characterized in that a valve block (4) is further arranged on the inner side of the connecting side, and the first manual stop valve (9) and the second manual stop valve (10) are both integrated on the valve block (4).
3. The hydraulic well lid for the urban comprehensive pipe gallery according to claim 1, wherein the inner sides of the support (6) and the cover body (2) are respectively provided with a pin seat (11), a pin is arranged on the pin seat (11), and two ends of the oil cylinder (8) are provided with earrings matched with the pin.
4. The hydraulic well lid for the urban comprehensive pipe gallery according to claim 1, wherein an electric cabinet (12) is further arranged on the inner side of the connecting side, and the electric cabinet (12) is electrically connected to the motor (7) and the three-position four-way reversing solenoid valve (17).
5. The hydraulic well lid for the urban comprehensive pipe gallery according to claim 1, wherein the oil return pipe (15) and the oil outlet pipe (19) are provided with one-way valves (16).
6. The hydraulic well lid for the urban comprehensive pipe gallery according to claim 1, wherein the rod cavity and the rodless cavity of the oil cylinder (8) are further respectively communicated with a fourth oil pipe (25) and a fifth oil pipe which extend out of the cover body (2), and the middle parts of the fourth oil pipe (25) and the fifth oil pipe are connected with a bidirectional hydraulic lock (27).
7. The hydraulic well lid for the urban comprehensive pipe gallery according to claim 1, wherein a pressure gauge (24) and a one-way overflow valve (14) are further arranged on the third oil pipe (22).
8. The urban utility tunnel hydraulic well lid according to claim 1, characterized in that the oil pump is a tandem pump (13).
9. The urban utility tunnel hydraulic well lid according to claim 8, characterized in that a high-pressure small-displacement pump and a low-pressure large-displacement pump are arranged in the double pump (13);
a sequence valve (20) is connected to the high-pressure small displacement pump, an oil drain port on the sequence valve (20) is communicated with the second oil pipe (21), and an oil outlet on the sequence valve (20) is communicated with the oil tank (3);
an overflow valve (14) is connected to the low-pressure large-displacement pump, and an oil outlet of the overflow valve (14) is communicated with the oil tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070429.2U CN210507538U (en) | 2019-07-09 | 2019-07-09 | Hydraulic well cover for urban comprehensive pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070429.2U CN210507538U (en) | 2019-07-09 | 2019-07-09 | Hydraulic well cover for urban comprehensive pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210507538U true CN210507538U (en) | 2020-05-12 |
Family
ID=70582080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070429.2U Expired - Fee Related CN210507538U (en) | 2019-07-09 | 2019-07-09 | Hydraulic well cover for urban comprehensive pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210507538U (en) |
-
2019
- 2019-07-09 CN CN201921070429.2U patent/CN210507538U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |