CN215109759U - Emergency hydraulic power unit - Google Patents

Emergency hydraulic power unit Download PDF

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Publication number
CN215109759U
CN215109759U CN202023226986.4U CN202023226986U CN215109759U CN 215109759 U CN215109759 U CN 215109759U CN 202023226986 U CN202023226986 U CN 202023226986U CN 215109759 U CN215109759 U CN 215109759U
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oil
port
working
pump
mouthful
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CN202023226986.4U
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Chinese (zh)
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林福明
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Ningbo Zhenhai Tiandi Hydraulic Co ltd
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Ningbo Zhenhai Tiandi Hydraulic Co ltd
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Abstract

The utility model discloses an emergency hydraulic power unit, which comprises a hand pump, an oil tank and an integrated valve block, wherein the integrated valve block is provided with a working port and an oil port, the working port is used for connecting an execution device, the oil port is correspondingly connected with the oil tank, the hand pump is connected in series between the oil port and the oil tank, a first hydraulic lock is arranged in the integrated valve block, and the first hydraulic lock is correspondingly connected between the working port and the oil port; still be equipped with emergent mouthful on the integrated valve piece, emergent mouthful be used for external hydraulic pump, still be equipped with second hydraulic lock and choke valve in the integrated valve piece, the second hydraulic lock the choke valve connect gradually in the working port with between the emergent mouthful. The utility model discloses possess simple structure compactness, convenient operation and improve work efficiency's advantage.

Description

Emergency hydraulic power unit
Technical Field
The utility model relates to a hydraulic power unit technical field, in particular to emergent hydraulic power unit.
Background
The hydraulic power unit is an oil supply device and is mainly applied to executing devices such as a hydraulic system, a hydraulic device and a hydraulic tool. At present, a hydraulic power unit mainly drives a hydraulic pump through a motor to pump oil in an oil tank out to be supplied to a corresponding execution device, but when an electric power system fails or cannot work or the hydraulic power unit fails, the hydraulic power unit cannot work normally, and the execution device connected with the hydraulic power unit cannot act normally, so that the working progress is delayed, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an emergent hydraulic power unit, possess simple structure compactness, convenient operation and improve work efficiency's advantage.
The utility model provides a technical scheme that its technical problem adopted is: an emergency hydraulic power unit comprises a manual pump, an oil tank and an integrated valve block, wherein a working port and an oil port are arranged on the integrated valve block, the working port is used for being connected with an execution device, the oil port is correspondingly connected with the oil tank, the manual pump is connected between the oil port and the oil tank in series, a first hydraulic lock is arranged in the integrated valve block, and the first hydraulic lock is correspondingly connected between the working port and the oil port; still be equipped with emergent mouthful on the integrated valve piece, emergent mouthful be used for external hydraulic pump, still be equipped with second hydraulic lock and choke valve in the integrated valve piece, the second hydraulic lock the choke valve connect gradually in the working port with between the emergent mouthful.
Further, the working port comprises a working X port and a working Y port, the oil port comprises an oil inlet and an oil return port, a first oil inlet A port of the first hydraulic lock is connected with the oil inlet, a first oil outlet 1A port is connected with the working X port, a second oil inlet 1B port is connected with the working Y port, and a second oil outlet B port is connected with the oil return port;
the emergency ports comprise an emergency A port and an emergency B port, the first oil inlet A port of the second hydraulic lock is connected with the emergency A port, the first oil outlet 1A port is connected with the working X port, the second oil inlet 1B port is connected with the working Y port, and the second oil outlet B port is connected with the emergency B port; avoid fluid backward flow, guarantee that fluid output is stable.
Furthermore, the first oil inlet A of the second hydraulic lock and the emergency A port as well as the second oil outlet B of the second hydraulic lock and the emergency B port are connected with the throttle valve.
Furthermore, the manual pump is connected with the oil tank through the overflow valve.
Further, the manual pump comprises a pump body and a piston rod, a pump oil port is formed in the pump body, a piston cylinder is arranged on the pump body, the top end of the piston cylinder is communicated with the pump oil port through a first channel, the bottom end of the piston cylinder extends into the oil tank through an oil suction pipe, and a first oil inlet one-way valve is arranged at the bottom end of the piston cylinder; the top of piston rod articulates there is the handle support, the handle support pass through the connecting rod with the pump body is articulated, be connected with the rocker on the handle support, the bottom of piston rod be equipped with piston cylinder sliding seal complex piston, the piston will the inner chamber of piston cylinder is separated for epicoele and cavity down, seted up the intercommunication on the piston the epicoele with the second passageway of cavity down, be equipped with the second oil feed check valve in the second passageway.
Furthermore, a reversing valve is arranged on the pump body, a working port A of the reversing valve is connected with the oil inlet, a working port B of the reversing valve is connected with the oil return port, an oil supply port P of the reversing valve is connected with the oil pump port, and an oil return port T of the reversing valve is connected with the oil tank; the flow direction of the oil liquid is convenient to change, and the action of the executing device is convenient.
Further, a sealing gasket is arranged between the pump body and the oil tank in a pressing mode; the sealing performance is improved, and oil leakage is avoided.
Furthermore, a stop valve for controlling the on-off of the first channel is arranged on the pump body.
Furthermore, a filter screen corresponding to the oil suction pipe is arranged at the bottom end of the piston cylinder; the cleanness of the entering oil is ensured, and the blockage of a pipeline or a manual pump is avoided.
The utility model has the advantages that: firstly, a manual pump, an oil tank and an integrated valve block are arranged, the integrated valve block is provided with a working port and an oil port, the working port is used for being connected with an execution device, the oil port is correspondingly connected with the oil tank, the manual pump is connected between the oil port and the oil tank in series, when the manual pump is used, the manual pump is only required to be operated to pump oil in the oil tank out, the oil passes through the integrated valve block and flows to the execution device from the working port, the oil can be manually pumped without providing electric power in the whole process, the problem that an electric power system in the prior art fails and cannot be normally used is solved, the structure is simple and compact, and the operation is very simple; secondly, the first hydraulic lock, the second hydraulic lock and the throttle valve are arranged in the integrated valve block, so that oil backflow is avoided, oil can be rapidly pumped to an execution device, the working efficiency is improved, and the labor intensity of operators is reduced; thirdly, an emergency port is further formed in the integrated valve block, so that when the manual pump fails or can not pump oil normally, the manual pump can be externally connected with a hydraulic pump, the execution device can still continue to work, the working progress is guaranteed, and the working efficiency is improved; in general, the utility model discloses possess simple structure compactness, convenient operation and improve work efficiency's advantage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded schematic view of the present invention.
Fig. 3 is a schematic view of the pipeline connection of the present invention.
Fig. 4 is a schematic structural diagram of the manual pump of the present invention.
Shown in the figure: 1-a manual pump; 11-a pump body; 11.1-pump oil port; 11.2 — a first channel; 12-a piston rod; 12.1-piston; 12.2-a second channel; 13-a piston cylinder; 14-an oil suction pipe; 15-a first oil inlet check valve; 16-a handle holder; 17-a connecting rod; 18-a rocker; 19-a second oil inlet check valve; 20-a stop valve; 2-an oil tank; 3-an integrated valve block; 3.1-working X port; 3.2-working Y port; 3.3-oil inlet; 3.4-oil return port; 3.5-Emergency A Port; 3.6-Emergency B Port; 31-a first hydraulic lock; 32-a second hydraulic lock; 33-a throttle valve; 4-an overflow valve; 5-a reversing valve; 6-a sealing gasket; 7-a filter screen.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 to 4, an emergency hydraulic power unit includes a manual pump 1, an oil tank 2 and an integrated valve block 3, the integrated valve block 3 is provided with a working port and an oil port, the working port is used for connecting an execution device, the oil port is correspondingly connected with the oil tank 2, the manual pump 1 is connected in series between the oil port and the oil tank 2, a first hydraulic lock 31 is arranged in the integrated valve block 3, and the first hydraulic lock 31 is correspondingly connected between the working port and the oil port; an emergency port is further formed in the integrated valve block 3 and used for being externally connected with a hydraulic pump, a second hydraulic lock 32 and a throttle valve 33 are further arranged in the integrated valve block 3, and the second hydraulic lock 32 and the throttle valve 33 are sequentially connected between the working port and the emergency port; specifically, the integrated valve block 3 and the manual pump 1 are correspondingly communicated through a U-shaped pipe, external hydraulic pumps can be manual hydraulic pumps, electric hydraulic pumps, plunger hydraulic pumps, vane hydraulic pumps and the like, and basically hydraulic pumps on the market can be correspondingly connected with emergency ports through pipelines; under normal conditions, the emergency opening is generally sealed through the plug, and oil leakage and impurity entering are avoided.
The working port comprises a working X port 3.1 and a working Y port 3.2, the oil ports comprise an oil inlet 3.3 and an oil return port 3.4, a first oil inlet A port of the first hydraulic lock 31 is connected with the oil inlet 3.3, a first oil outlet A1 port is connected with the working X port 3.1, a second oil inlet B1 port is connected with the working Y port 3.2, and a second oil outlet B port is connected with the oil return port 3.4; the emergency ports comprise an emergency A port 3.5 and an emergency B port 3.6, the first oil inlet A port of the second hydraulic lock 32 is connected with the emergency A port 3.5, the first oil outlet A1 port is connected with a working X port 3.1, the second oil inlet B1 port is connected with a working Y port 3.2, and the second oil outlet B port is connected with the emergency B port 3.6.
A throttle valve 33 is connected between the first oil inlet A of the second hydraulic lock 32 and the emergency A port 3.5, and between the second oil outlet B of the second hydraulic lock and the emergency B port 3.6; preferably, the throttling valves 33 are all one-way throttling valves, so that oil backflow is further avoided.
Preferably, the first hydraulic lock 31, the second hydraulic lock 32 and the throttle valve 33 are all cartridge valves, so that the installation is convenient and fast.
Specifically, the manual pump comprises an overflow valve 4, and the manual pump 1 is connected with the oil tank 2 through the overflow valve 4; the hydraulic gauge is correspondingly connected with the pipeline and is used for displaying the oil pressure in the corresponding pipeline and ensuring that the oil is in a normal range; still be equipped with the dust cover on the pump body 11, the dust cover cup joints the cooperation with piston rod 12, the top and the piston rod 12 sealing connection of dust cover, the bottom and the pump body 11 sealing connection of dust cover play dirt-proof effect, keep the cleanness of piston rod 11, extension practical life.
The manual pump 1 comprises a pump body 11 and a piston rod 12, a pump oil port 11.1 is formed in the pump body 11, a piston cylinder 13 is arranged on the pump body 11, the top end of the piston cylinder 13 is communicated with the pump oil port 11.1 through a first channel 11.2, the bottom end of the piston cylinder 13 extends into the oil tank 2 through an oil suction pipe 14, and a first oil inlet one-way valve 15 is arranged at the bottom end of the piston cylinder 13; the top end of the piston rod 12 is hinged with a handle support 16, the handle support 16 is hinged with the pump body 11 through a connecting rod 17, a rocker 18 is connected onto the handle support 16, a piston 12.1 in sliding sealing fit with the piston cylinder 13 is arranged at the bottom end of the piston rod 12, the piston 12.1 divides an inner cavity of the piston cylinder 13 into an upper cavity and a lower cavity, a second channel 12.2 communicating the upper cavity with the lower cavity is formed in the piston 12.1, and a second oil inlet one-way valve 19 is arranged in the second channel 12.2.
The pump body 11 is provided with a reversing valve 5, a working A port of the reversing valve 5 is connected with an oil inlet 3.3, a working B port is connected with an oil return port 3.4, an oil supply P port is connected with an oil pump port 11.1, and an oil return T port is connected with an oil tank 2. A sealing gasket 6 is arranged between the pump body 11 and the oil tank 2 in a pressing way; a stop valve 20 for controlling the on-off of the first channel 11.2 is arranged on the pump body 11; specifically, the reversing valve 5 is a three-position four-way solenoid valve in which the median function is Y-shaped.
The bottom end of the piston cylinder 13 is provided with a filter screen 7 corresponding to the oil suction pipe 14.
Specifically, the rocker 18 is in sleeve fit with the handle support 16, so that the rocker is convenient to detach and use, and an anti-skidding rubber sleeve is arranged at the end part of the rocker 18 to avoid skidding in the operation process.
The utility model has the following specific working principle that when in installation, the emergency hydraulic power unit can be correspondingly connected with actuating devices such as a hydraulic system, a hydraulic device and a hydraulic tool; when emergency oil supply is needed, the rocker 18 is only required to be shaken by hands in a reciprocating manner to drive the manual pump 1 to work, the oil suction pipe 14 sucks oil in the oil tank 2, the oil sequentially passes through the first oil inlet one-way valve 15, the lower cavity, the second liquid inlet one-way valve 16, the second channel 12.2, the upper cavity and the first channel 11.2, the oil cannot flow backwards under the action of the first oil inlet one-way valve 15 and the second oil inlet one-way valve 16, the manual pump 1 pumps oil to the integrated valve block 3, the oil sequentially passes through the oil supply P port of the reversing valve 5, the working A port of the reversing valve 5, the liquid inlet 3.3, the first oil inlet A port of the first hydraulic lock 31, the first oil outlet A1 port of the first hydraulic lock 31 and the working X port 3.1, oil is supplied to a connected execution device, and the oil in the execution device sequentially passes through the working Y port 3.2, the second oil outlet B port of the first hydraulic lock 31, the oil return port 3.4 and the second oil return port B1 of the first hydraulic lock 31, The working port B of the reversing valve 5 and the oil return port T of the reversing valve 5 flow back into the oil tank; when the reversing is needed, the reversing valve 5 is controlled to reverse, so that oil is supplied to the execution device from the working Y port 3.2 and flows back from the working X port 3.1;
when the manual pump 1 fails or can not pump oil normally, the plug at the emergency port is taken down, and then the manual pump is correspondingly connected with the hydraulic pump through a pipeline, so that oil flows in from the emergency port a 3.5, sequentially passes through the left throttle valve 33 (refer to fig. 3), the first oil inlet a of the second hydraulic lock 32 and the first oil outlet a1 of the second hydraulic lock 32, and finally flows into the execution device from the working port X3.1, and similarly, the oil in the execution device sequentially flows through the working port Y3.2, the second oil inlet B1 of the second hydraulic lock 32, the second oil outlet B of the second hydraulic lock 32 and the right throttle valve 33 (refer to fig. 3), and finally flows back from the emergency port B3.6.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (9)

1. An emergency hydraulic power unit, characterized in that: the hydraulic control system comprises a manual pump (1), an oil tank (2) and an integrated valve block (3), wherein a working port and an oil port are arranged on the integrated valve block (3), the working port is used for being connected with an execution device, the oil port is correspondingly connected with the oil tank (2), the manual pump (1) is connected between the oil port and the oil tank (2) in series, a first hydraulic lock (31) is arranged in the integrated valve block (3), and the first hydraulic lock (31) is correspondingly connected between the working port and the oil port; still be equipped with emergent mouthful on integrated valve piece (3), emergent mouthful be used for external hydraulic pump, still be equipped with second hydraulic lock (32) and choke valve (33) in integrated valve piece (3), second hydraulic lock (32) choke valve (33) connect gradually in the working port with between the emergent mouthful.
2. The emergency hydraulic power unit of claim 1, wherein: the working port comprises a working X port (3.1) and a working Y port (3.2), the oil ports comprise an oil inlet (3.3) and an oil return port (3.4), a first oil inlet A of the first hydraulic lock (31) is connected with the oil inlet (3.3), a first oil outlet A1 is connected with the working X port (3.1), a second oil inlet B1 is connected with the working Y port (3.2), and a second oil outlet B is connected with the oil return port (3.4);
emergent mouthful including emergent A mouthful (3.5) and emergent B mouthful (3.6), the first oil feed A mouth of second hydraulic pressure lock (32) with emergent A mouthful (3.5) are connected, first oil A1 mouthful and work X mouthful (3.1) are connected, second oil feed B1 mouthful with work Y mouthful (3.2) are connected, second oil B mouthful with emergent B mouthful (3.6) are connected.
3. The emergency hydraulic power unit of claim 2, wherein: the first oil inlet A of the second hydraulic lock (32) and the emergency A port (3.5) and the second oil outlet B of the second hydraulic lock and the emergency B port (3.6) are connected with the throttle valve (33).
4. An emergency hydraulic power unit as claimed in claim 3, wherein: the manual pump is characterized by further comprising an overflow valve (4), and the manual pump (1) is connected with the oil tank (2) through the overflow valve (4).
5. The emergency hydraulic power unit of claim 2, wherein: the manual pump (1) comprises a pump body (11) and a piston rod (12), a pump oil port (11.1) is formed in the pump body (11), a piston cylinder (13) is arranged on the pump body (11), the top end of the piston cylinder (13) is communicated with the pump oil port (11.1) through a first channel (11.2), the bottom end of the piston cylinder (13) extends into the oil tank (2) through an oil suction pipe (14), and a first oil inlet one-way valve (15) is arranged at the bottom end of the piston cylinder (13); the top of piston rod (12) articulates there is handle support (16), handle support (16) through connecting rod (17) with the pump body (11) are articulated, be connected with rocker (18) on handle support (16), the bottom of piston rod (12) be equipped with piston cylinder (13) sliding seal complex piston (12.1), piston (12.1) will the inner chamber of piston cylinder (13) is separated for epicoele and cavity of resorption, seted up the intercommunication on piston (12.1) the epicoele with second passageway (12.2) of cavity of resorption, be equipped with second oil feed check valve (19) in second passageway (12.2).
6. The emergency hydraulic power unit of claim 5, wherein: the oil pump is characterized in that a reversing valve (5) is arranged on the pump body (11), a working A port of the reversing valve (5) is connected with the oil inlet (3.3), a working B port is connected with the oil return port (3.4), an oil supply P port is connected with the pump oil port (11.1), and an oil return T port is connected with the oil tank (2).
7. The emergency hydraulic power unit of claim 5, wherein: and a sealing gasket (6) is arranged between the pump body (11) and the oil tank (2) in a pressing mode.
8. The emergency hydraulic power unit of claim 5, wherein: and a stop valve (20) for controlling the on-off of the first channel (11.2) is arranged on the pump body (11).
9. The emergency hydraulic power unit of claim 5, wherein: the bottom end of the piston cylinder (13) is provided with a filter screen (7) corresponding to the oil suction pipe (14).
CN202023226986.4U 2020-12-29 2020-12-29 Emergency hydraulic power unit Active CN215109759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023226986.4U CN215109759U (en) 2020-12-29 2020-12-29 Emergency hydraulic power unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023226986.4U CN215109759U (en) 2020-12-29 2020-12-29 Emergency hydraulic power unit

Publications (1)

Publication Number Publication Date
CN215109759U true CN215109759U (en) 2021-12-10

Family

ID=79308875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023226986.4U Active CN215109759U (en) 2020-12-29 2020-12-29 Emergency hydraulic power unit

Country Status (1)

Country Link
CN (1) CN215109759U (en)

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