CN212959324U - Energy-saving quick-opening lateral-moving hydraulic device - Google Patents
Energy-saving quick-opening lateral-moving hydraulic device Download PDFInfo
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- CN212959324U CN212959324U CN202021159002.2U CN202021159002U CN212959324U CN 212959324 U CN212959324 U CN 212959324U CN 202021159002 U CN202021159002 U CN 202021159002U CN 212959324 U CN212959324 U CN 212959324U
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Abstract
The utility model discloses an energy-conserving hydraulic means that moves that opens soon, including the hookup seat, first hydro-cylinder and second hydro-cylinder, be equipped with first check valve in the hookup seat, the second check valve, the third check valve, the fourth check valve, the shuttle valve, first oil duct and second oil duct, the one end of first check valve is connected with the rodless chamber of first hydro-cylinder through first hydraulic fluid port, the other end is connected with first oil duct, the one end of second check valve is connected with the rodless chamber of second hydro-cylinder through the second hydraulic fluid port, the other end is connected with first oil duct, the one end of third check valve is connected with the pole chamber of first hydro-cylinder through the third hydraulic fluid port, the fourth hydraulic fluid port is connected with the pole chamber of second hydro-cylinder, the other end is connected with first oil duct, when guaranteeing the efficiency of opening soon, make the system more energy-conserving, avoid the oil circuit medium pressure loss to cause power consumption big greatly; the lateral movement starting and stopping buffer is provided, and the oil cylinder is prevented from reaching the overflow pressure value of the system at the lateral movement end point.
Description
Technical Field
The utility model relates to a hydraulic means field especially relates to an energy-conserving hydraulic means that moves of opening soon.
Background
The forklift attachment enables the forklift to conveniently replace various working attachments to meet the requirements of various working conditions. Along with the high-speed development of domestic carrying industry, electric fork truck is more and more used in the carrying industry, but the hydraulic means of fork truck accessory does not do corresponding adaptability and optimizes, and when the hydro-cylinder was opened soon, the side moved the action, hydraulic oil pressure loss is big in hydraulic means, leads to electric fork truck's electric current too big, and power consumption is big.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide an energy-conserving hydraulic means that moves of throwing soon.
In order to achieve the above object, the technical solution of the present invention is: an energy-saving quick-opening lateral-movement hydraulic device comprises a connecting seat, a first oil cylinder and a second oil cylinder, wherein a first check valve, a second check valve, a third check valve, a fourth check valve, a shuttle valve, a first oil duct and a second oil duct are arranged in the connecting seat, one end of the first check valve is connected with a rodless cavity of the first oil cylinder through a first oil port, the other end of the first check valve is connected with the first oil duct, one end of the second check valve is connected with a rodless cavity of the second oil cylinder through a second oil port, the other end of the second check valve is connected with the first oil duct, one end of the third check valve is connected with a rod cavity of the first oil cylinder through a third oil port, the fourth oil port is connected with a rod cavity of the second oil cylinder, the other end of the fourth check valve is connected with the first oil duct, one end of the shuttle valve is connected with the fourth check valve, and the other end of the shuttle valve is connected with the second oil duct, the first oil duct and the second oil duct are connected in parallel, and both the first oil duct and the second oil duct are communicated with the outer side.
Preferably, a third oil duct and a fourth oil duct are further arranged in the connecting seat, the third oil duct is connected with the rodless cavity of the second oil cylinder through a second oil port, and the fourth oil duct is connected with the rodless cavity of the first oil cylinder through a first oil port.
Preferably, a damping hole is connected between the third oil passage and the fourth oil passage.
Preferably, throttle valves are connected between the third oil port and the first oil cylinder and between the fourth oil port and the second oil cylinder.
Through adopting foretell technical scheme, the beneficial effects of the utility model are that: when working oil is introduced into the first oil duct, hydraulic oil in rod cavities of the first oil cylinder and the second oil cylinder is quickly extruded and simultaneously flows into rodless cavities in the first oil cylinder and the second oil cylinder, so that the opening action of the first oil cylinder and the second oil cylinder is realized in an accelerated manner, when working oil is introduced into the second oil duct and the first oil duct returns oil, the hydraulic oil quickly fills the rod cavities of the first oil cylinder and the second oil cylinder, so that the first oil cylinder and the second oil cylinder realize quick tightening action, when working oil is introduced into the third oil duct and the fourth oil duct returns oil, the first oil cylinder and the second oil cylinder quickly realize synchronous right movement, when working oil is introduced into the fourth oil duct and the third oil duct returns oil, the first oil cylinder and the second oil cylinder quickly realize synchronous left movement, when quick opening efficiency is ensured, the system is more energy-saving, and the problem that the power consumption is large due to large pressure loss in the oil duct is avoided; the lateral movement starting and stopping buffer is provided, and the oil cylinder is prevented from reaching the overflow pressure value of the system at the lateral movement end point.
Drawings
Fig. 1 is a schematic structural diagram of the hydraulic device of the present invention;
fig. 2 is a cross-sectional view of the hydraulic apparatus of the present invention;
fig. 3 is a schematic view of a hydraulic circuit of the hydraulic apparatus of the present invention;
description of the main reference numerals: the hydraulic control system comprises a connecting seat 1, a first oil cylinder 2, a second oil cylinder 3, a first check valve 4, a second check valve 5, a third check valve 6, a fourth check valve 7, a shuttle valve 8, a first oil duct 9, a second oil duct 10, a first oil port 11, a second oil port 12, a third oil port 13, a fourth oil port 14, a third oil duct 15, a fourth oil duct 16, a damping hole 17 and a throttle valve 18.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
An energy-saving quick-opening lateral shifting hydraulic device is shown in figures 1-2 and comprises a connecting seat 1, a first oil cylinder 2 and a second oil cylinder 3, wherein a first check valve 4, a second check valve 5, a third check valve 6, a fourth check valve 7, a shuttle valve 8, a first oil duct 9 and a second oil duct 10 are arranged in the connecting seat 1, preferably, in the embodiment, the first check valve 4 and the second check valve 5 are both hydraulic check valves, the fourth check valve 7 is an external interface pilot opening check valve, as shown in figure 3, one end of the first check valve 4 is connected with a rodless cavity of the first oil cylinder 2 through a first oil port 11, the other end of the first check valve is connected with the first oil duct 9, one end of the second check valve 5 is connected with a rodless cavity of the second oil cylinder 3 through a second oil port 12, the other end of the second check valve is connected with the first oil duct 9, one end of the third check valve 6 is connected with a rod cavity of the first oil cylinder 2 through a third oil port 13, and the rod cavity of, The fourth oil port 14 is connected with the rod cavity of the second oil cylinder 3, the other end of the fourth oil port is connected with the first oil duct 9, one end of the fourth check valve 7 is connected with the rod cavity of the second oil cylinder 3 through the fourth oil port 14, the third oil port 13 is connected with the rod cavity of the first oil cylinder 2, one end of the shuttle valve 8 is connected with the fourth check valve 7, the other end of the shuttle valve is connected with the second oil duct 10, the first oil duct 9 is connected with the second oil duct 10 in parallel, and the first oil duct 9 and the second oil duct 10 are both communicated with the outside.
Further, as shown in fig. 3, a third oil duct 15 and a fourth oil duct 16 are further arranged in the coupling seat 1, the third oil duct 15 is connected with the rodless cavity of the second oil cylinder 3 through a second oil port 12, and the fourth oil duct 16 is connected with the rodless cavity of the first oil cylinder 2 through a first oil port 11.
Further, as shown in fig. 3, a damping hole 17 is connected between the third oil passage 15 and the fourth oil passage 16, and the impact of the hydraulic oil can be effectively relieved through the damping hole 17.
Further, as shown in fig. 3, a throttle valve 18 is connected between the third oil port 13 and the first oil cylinder 2, and between the fourth oil port 14 and the second oil cylinder 3, so as to facilitate effective adjustment of the hydraulic oil flow.
When the first oil duct 9 is communicated with working oil, high-pressure oil is communicated with rodless cavities of the first oil cylinder 2 and the second oil cylinder 3 through a first check valve 4 and a second check valve 5 through a first oil port 11 and a second oil port 12, and a third check valve 6 and an external interface pilot opening check valve are opened to enable a valve core of a shuttle valve 8 to move right to seal a second oil duct 10; oil in the rod cavities of the first oil cylinder 2 and the second oil cylinder 3 passes through a third oil port 13 and a fourth oil port 14, and reenters the rodless cavities of the first oil cylinder 2 and the second oil cylinder 3 through a third check valve 6, a pilot-operated opening check valve with an external interface and a shuttle valve 8; the quick opening function of the device is realized, the opening time of the accessory is reduced, and the running efficiency of the whole machine is improved.
When the second oil duct 10 is communicated with working oil and the first oil duct 9 returns oil, the valve core of the shuttle valve 8 is moved to the left to seal the oil duct, the first check valve 4 and the second check valve 5 are opened through the control oil port, high-pressure oil leads to open the check valves through the shuttle valve 8 and the external port, and is connected with the rod cavities of the first oil cylinder 2 and the second oil cylinder 3 through the third oil port 13 and the fourth oil port 14 to form a passage; oil in rodless cavities of the first oil cylinder 2 and the second oil cylinder 3 passes through the first oil port 11 and the second oil port 12, returns through the first check valve 4 and the second check valve 5 and the first oil duct 9, and clamping is finished.
When the third oil duct 15 returns oil through working oil and the fourth oil duct 16, and the oil ports of the first oil duct 9 and the second oil duct 10 are closed, high-pressure oil is communicated with the rodless cavity of the second oil cylinder 3 through the second oil port 12, oil in the rod cavity of the second oil cylinder 3 is communicated with the rod cavity of the first oil cylinder 2 through the third oil port 13 and the fourth oil port 14 of the hydraulic device, and oil in the rodless cavity of the first oil cylinder 2 returns oil through the fourth oil duct 16 through the first oil port 11, so that the first oil cylinder 2 and the second oil cylinder 3 synchronously move to the right.
When the fourth oil duct 16 returns oil through working oil and the third oil duct 15 and the oil ports of the first oil duct 9 and the second oil duct 10 are closed, high-pressure oil is communicated with the rodless cavity of the first oil cylinder 2 through the first oil port 11, the oil in the rod cavity of the first oil cylinder 2 is communicated with the rod cavity of the second oil cylinder 3 through the fourth oil port 14 and the third oil port 13 of the hydraulic device, and the oil in the rodless cavity of the second oil cylinder 3 returns oil through the second oil port 12 and the third oil duct 15, so that the first oil cylinder 2 and the second oil cylinder 3 synchronously move left.
In conclusion, when the quick-opening efficiency is ensured, the system is more energy-saving, and the high power consumption caused by high pressure loss in an oil way is avoided; the lateral movement starting and stopping buffer is provided, and the oil cylinder is prevented from reaching the overflow pressure value of the system at the lateral movement end point.
The above-mentioned, only preferred embodiments of the present invention are described, the scope of the present invention cannot be limited, and all the equivalent changes and decorations made according to the claims of the present invention should still fall within the scope covered by the present invention.
Claims (4)
1. An energy-saving quick-opening lateral-movement hydraulic device comprises a connecting seat, a first oil cylinder and a second oil cylinder, and is characterized in that a first check valve, a second check valve, a third check valve, a fourth check valve, a shuttle valve, a first oil duct and a second oil duct are arranged in the connecting seat, one end of the first check valve is connected with a rodless cavity of the first oil cylinder through a first oil port, the other end of the first check valve is connected with the first oil duct, one end of the second check valve is connected with a rodless cavity of the second oil cylinder through a second oil port, the other end of the second check valve is connected with the first oil duct, one end of the third check valve is connected with a rod cavity of the first oil cylinder through a third oil port, the fourth oil port is connected with a rod cavity of the second oil cylinder, the other end of the fourth check valve is connected with the first oil duct, one end of the shuttle valve is connected with the fourth check valve, the other end of the first oil duct is connected with the second oil duct, the first oil duct is connected with the second oil duct in parallel, and the first oil duct and the second oil duct are both communicated with the outer side.
2. The energy-saving quick-acting lateral shifting hydraulic device as claimed in claim 1, wherein a third oil passage and a fourth oil passage are further provided in the connecting seat, the third oil passage is connected with the rodless cavity of the second oil cylinder through a second oil port, and the fourth oil passage is connected with the rodless cavity of the first oil cylinder through a first oil port.
3. The energy-saving quick-opening side-shifting hydraulic device as claimed in claim 2, wherein a damping hole is connected between the third oil passage and the fourth oil passage.
4. The energy-saving quick-acting side-shifting hydraulic device as claimed in claim 1, wherein a throttle valve is connected between the third oil port and the first oil cylinder and between the fourth oil port and the second oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159002.2U CN212959324U (en) | 2020-06-20 | 2020-06-20 | Energy-saving quick-opening lateral-moving hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159002.2U CN212959324U (en) | 2020-06-20 | 2020-06-20 | Energy-saving quick-opening lateral-moving hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959324U true CN212959324U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021159002.2U Active CN212959324U (en) | 2020-06-20 | 2020-06-20 | Energy-saving quick-opening lateral-moving hydraulic device |
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| Country | Link |
|---|---|
| CN (1) | CN212959324U (en) |
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2020
- 2020-06-20 CN CN202021159002.2U patent/CN212959324U/en active Active
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