CN203079634U - Failure warning device - Google Patents
Failure warning device Download PDFInfo
- Publication number
- CN203079634U CN203079634U CN 201320013997 CN201320013997U CN203079634U CN 203079634 U CN203079634 U CN 203079634U CN 201320013997 CN201320013997 CN 201320013997 CN 201320013997 U CN201320013997 U CN 201320013997U CN 203079634 U CN203079634 U CN 203079634U
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- Prior art keywords
- pressure
- fork truck
- valve
- main frame
- pressure switch
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- Expired - Lifetime
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Abstract
The utility model discloses a failure warning device which comprises a hydraulic control valve (10). A pressure measuring valve (2) is placed on a valve body (1) of the hydraulic control valve (10); a pressure switch (3) is placed on a pressure-reading port (21) of the pressure measuring valve (2); pressure signals of the pressure switch (3) are transmitted to a main chip of a forklift electronic control host (6); and the main chip of the forklift electronic control host (6) controls a neutral gear indicator light of the forklift electronic control host to be turned on and turned off according to the pressure signals. The pressure switch is directly installed on the valve body of the hydraulic control valve, the pressure signals of the pressure switch are transmitted to the main chip of the forklift electronic control host so as to control the neutral gear indicator light of the forklift electronic control host to be turned on and turned off , and therefore the failure warning device is convenient to install and detect, and capable of reminding a user of oil pressure states at any time, timely removing failures, avoiding secondary damage and reducing maintenance cost.
Description
Technical field:
The utility model relates to hydraulic pressure check implement technical field, more specifically to a kind of fork truck Automatic Transmission accident warning device.
Background technology:
As shown in Figure 1 to Figure 3, existing fork truck is with fluid-controlled valve 2A is installed on the Automatic Transmission 1A, form the cavity that a plurality of forms arranged side by side are arranged on the valve body of fluid-controlled valve 2A, be provided with accumulator valve 3A in the cavity, control cock 4A, inching valve 5A, handle guiding valve (change-over valve) 6A and pressure valve 7A, handle guiding valve 6A and be provided with four oil circuit mouth 61A and the pressure measurement oil circuit mouth 62A that leads to power-transfer clutch, the oil circuit input end of pressure valve 7A connects mutually with the pressure measurement oil circuit mouth 62A that handles guiding valve, after fluid-controlled valve 2A is installed to automatic speed changing casing 1A, connecting compression indicator 8A on the pressure tappings 71A of pressure valve 7A detects oil pressure and whether meets standard, just pressure tappings 71A is blocked after finishing with bolt 9A, when fork truck moves, pressure valve 7A does not just re-use, this makes that the degree of utilization of pressure valve 7A is not high, and the value of service of pressure valve 7A can't better embody.
Simultaneously, pressure tappings owing to pressure valve 7A in fork truck uses has been plugged, pressure valve 7A is also with regard to withdraw from use, this can't understand the hydraulic pressure situation of fork truck constantly, and, bolt 9A on the pressure tappings 71A of pressure valve 7A need be taken off when needs detect the fork truck hydraulic state and install the detecting device detection, it bothers very much.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of accident warning device, it is setting pressure switch on the valve body of fluid-controlled valve directly, the pressure signal of pressure switch flows to the master chip of fork truck electron steering main frame, the opening and closing of master chip control fork truck electron steering main frame neutral pilot lamp, and its installation and measuring is convenient, can remind user's oil pressure state at any time, in time trouble-shooting prevents passive safety, reduces maintenance cost.
The scheme that the utility model solve the technical problem is:
A kind of accident warning device, comprise fluid-controlled valve, the valve body of described fluid-controlled valve is provided with pressure valve, the pressure tappings place of pressure valve is equipped with pressure switch, the pressure signal of pressure switch flows to the master chip of fork truck electron steering main frame, and the master chip of fork truck electron steering main frame is according to these pressure signal control fork truck electron steering main frame neutral pilot lamp opening and closing.
The oil-feed screw rod of described pressure switch is screwed onto on the valve body of fluid-controlled valve, and the oil-feed screw rod forms the axial fuel inlet hole, and the oil inlet in axial fuel inlet hole communicates with the pressure tappings of pressure valve.
Described pressure switch is the closed type pressure switch.
Described pressure switch is given the master chip of fork truck electron steering main frame by signal connecting line delivery pressure signal, signal connecting line is a two wires plug-type connector, it is connected with fork truck main frame neutral pilot lamp connector on the master chip of fork truck electron steering main frame, and signal connecting line and fork truck neutral position switch Warning light connector exchange general.
Outstanding effect of the present utility model is:
1, it is setting pressure switch on the valve body of fluid-controlled valve directly, the pressure tappings of the pressure valve in the oil inlet that makes pressure switch and the valve body of fluid-controlled valve communicates, pressure switch is given the master chip of fork truck electron steering main frame by signal connecting line delivery pressure signal, the master chip of fork truck electron steering main frame is according to these pressure signal control fork truck electron steering main frame neutral pilot lamp opening and closing, its installation and measuring is convenient, simultaneously, can remind user's oil pressure state at any time, avoid oily temperature rise, power transmission efficiency descends, and in time trouble-shooting prevents passive safety, reduce maintenance cost, increase the safety performance and the service life of change speed gear box.
2, the signal connecting line of pressure switch is a two wires plug-type connector, itself and fork truck neutral position switch Warning light connector exchange general, this has guaranteed the signal connecting line of the pressure switch caution elements such as need not increasing indicator lamp on fork truck electron steering main frame separately that can be directly be connected with fork truck main frame neutral pilot lamp connector on the master chip of fork truck electron steering main frame, it is easy to connect, saves cost.
Description of drawings:
Fig. 1 is the local structure scheme drawing that existing fluid-controlled valve is installed in Automatic Transmission;
Fig. 2 is the structural representation that the pressure tappings of the pressure valve of fluid-controlled valve removes the bolt of blocking.
Fig. 3 is the theory structure scheme drawing of existing fluid-controlled valve;
Fig. 4 is a theory structure scheme drawing of the present utility model;
Fig. 5 is the local structure scheme drawing that the utility model is installed in Automatic Transmission;
Fig. 6 is the structural representation that fluid-controlled valve of the present utility model removes pressure switch;
Fig. 7 is the structural representation of pressure switch of the present utility model.
Among the figure: 10, fluid-controlled valve; 1, valve body; 2, pressure valve; 21, pressure tappings; 3, pressure switch; 31, axial fuel inlet hole; 32, signal connecting line; 33, oil-feed screw rod; 4, fork truck neutral position switch Warning light connector; 5, neutral light switch; 6, fork truck electron steering main frame; 61, fork truck electron steering main frame neutral pilot lamp.
The specific embodiment:
Embodiment, see as Fig. 4 to shown in Figure 7, a kind of accident warning device, comprise fluid-controlled valve 10, the valve body 1 of described fluid-controlled valve 10 is provided with pressure valve 2, pressure tappings 21 places of pressure valve 2 are equipped with pressure switch 3, and the pressure signal of pressure switch 3 flows to the master chip of fork truck electron steering main frame 6, and the master chip of fork truck electron steering main frame 6 is according to these pressure signal control fork truck electron steering main frame neutral pilot lamp 61 opening and closing.
The oil-feed screw rod 33 of described pressure switch 3 is screwed onto on the valve body 1 of fluid-controlled valve 10, and oil-feed screw rod 33 forms axial fuel inlet hole 31, and the oil inlet in axial fuel inlet hole 31 communicates with the pressure tappings 21 of pressure valve 2.
Described pressure switch 3 is the closed type pressure switch.
Described pressure switch 3 is given the master chip of fork truck electron steering main frame 6 by signal connecting line 32 delivery pressure signals, signal connecting line 32 for two wires plug-type connector, it is connected with fork truck main frame neutral pilot lamp connector on the master chip of fork truck electron steering main frame 6, signal connecting line 32 is general with 4 exchanges of fork truck neutral position switch Warning light connector.
Principle of work: the fork truck neutral position switch Warning light connector 4 of the neutral light switch 5 that the valve body 1 of original fluid-controlled valve 10 is provided with is connected with fork truck main frame neutral pilot lamp connector on the master chip of fork truck electron steering 6, separate fork truck neutral position switch Warning light connector 4 and fork truck main frame neutral pilot lamp connector this moment, and the signal connecting line 32 of pressure switch 3 is linked to each other with fork truck main frame neutral pilot lamp connector.
When neutral, the pressure of pressure tappings 21 is zero, when inching valve is worked, pressure changes between 0～1.2Mp, at the normal operation gear, pressure 〉=1.2Mp is when fork truck during in normal operation, fork truck electron steering main frame neutral pilot lamp 61 does not work pressure 〉=1.2Mp promptly is described, the hydraulic efficiency pressure system state is normal;
When pressure is lower than 1.2Mp, the free end of pressure switch 3 elastic elements produces displacement, the pull switch element, make pressure switch 3 conductings, send pressure signal, pressure signal flows to the master chip of fork truck electron steering main frame 6, and the master chip of fork truck electron steering main frame 6 is lighted according to this pressure signal control fork truck electron steering main frame neutral pilot lamp 61, need check immediately, safeguard change speed gear box this moment, reach fault alarm and reduce the passive safety of fault.
After detection is finished, the signal connecting line 32 of pressure switch 3 can be separated with fork truck main frame neutral pilot lamp connector, fork truck neutral position switch Warning light connector 4 is connected normally with fork truck main frame neutral pilot lamp connector uses.
Wherein, fluid-controlled valve 10 is the control cock that have now on the Automatic Transmission used on the fork truck, and itself and pressure switch 3 all are commercially available on the market existing products.
Claims (4)
1. accident warning device, comprise fluid-controlled valve (10), it is characterized in that: the valve body (1) of described fluid-controlled valve (10) is provided with pressure valve (2), the pressure tappings (21) of pressure valve (2) locates to be equipped with pressure switch (3), the pressure signal of pressure switch (3) flows to the master chip of fork truck electron steering main frame (6), and the master chip of fork truck electron steering main frame (6) is according to these pressure signal control fork truck electron steering main frame neutral pilot lamp (61) opening and closing.
2. a kind of accident warning device according to claim 1, it is characterized in that: the oil-feed screw rod (33) of described pressure switch (3) is screwed onto on the valve body (1) of fluid-controlled valve (10), oil-feed screw rod (33) forms axial fuel inlet hole (31), and the oil inlet of axial fuel inlet hole (31) communicates with the pressure tappings (21) of pressure valve (2).
3. a kind of accident warning device according to claim 1 is characterized in that: described pressure switch (3) is the closed type pressure switch.
4. a kind of accident warning device according to claim 1, it is characterized in that: described pressure switch (3) is given the master chip of fork truck electron steering main frame (6) by signal connecting line (32) delivery pressure signal, signal connecting line (32) is a two wires plug-type connector, it is connected with fork truck main frame neutral pilot lamp connector on the master chip of fork truck electron steering main frame (6), and signal connecting line (32) exchanges general with fork truck neutral position switch Warning light connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013997 CN203079634U (en) | 2013-01-10 | 2013-01-10 | Failure warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013997 CN203079634U (en) | 2013-01-10 | 2013-01-10 | Failure warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079634U true CN203079634U (en) | 2013-07-24 |
Family
ID=48825492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320013997 Expired - Lifetime CN203079634U (en) | 2013-01-10 | 2013-01-10 | Failure warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351903A (en) * | 2016-10-09 | 2017-01-25 | 合肥协力液压科技有限公司 | Adjustable manual flow control valve |
| CN115148539A (en) * | 2022-08-31 | 2022-10-04 | 深圳红冠机电科技有限公司 | Pressure relay, hydraulic control system and hydraulic lifting device |
-
2013
- 2013-01-10 CN CN 201320013997 patent/CN203079634U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351903A (en) * | 2016-10-09 | 2017-01-25 | 合肥协力液压科技有限公司 | Adjustable manual flow control valve |
| CN115148539A (en) * | 2022-08-31 | 2022-10-04 | 深圳红冠机电科技有限公司 | Pressure relay, hydraulic control system and hydraulic lifting device |
| CN115148539B (en) * | 2022-08-31 | 2023-01-10 | 深圳红冠机电科技有限公司 | Pressure relay, hydraulic control system and hydraulic lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault alarm device and switchboard Effective date of registration: 20171213 Granted publication date: 20130724 Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch Pledgor: ZHEJIANG ZHONGCHAI MACHINERY Co.,Ltd. Registration number: 2017330000276 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190718 Granted publication date: 20130724 Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch Pledgor: ZHEJIANG ZHONGCHAI MACHINERY Co.,Ltd. Registration number: 2017330000276 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |