CN106744563A - Jack overload alarm - Google Patents
Jack overload alarm Download PDFInfo
- Publication number
- CN106744563A CN106744563A CN201611236939.3A CN201611236939A CN106744563A CN 106744563 A CN106744563 A CN 106744563A CN 201611236939 A CN201611236939 A CN 201611236939A CN 106744563 A CN106744563 A CN 106744563A
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- CN
- China
- Prior art keywords
- jack
- overload alarm
- oil
- warning device
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of jack overload alarm, including a base, the base is provided with an oil inlet, the jack overload alarm also includes a pressure regulator valve, one warning device and a trigger, the base is additionally provided with one first mounting hole and an oil discharge passage, the oil discharge passage is connected with the oil inlet and the first mounting hole, the pressure regulator valve is slidably mounted on first mounting hole, when the jack overloads, hydraulic oil pressure increase in the oil inlet makes the pressure regulator valve be moved along first mounting hole, the hydraulic oil enters the oil discharge passage and contradicts the trigger, the trigger is contacted with the warning device turns on the warning device, send alarm, to remind operator, prevent jack overload damage.
Description
Technical field
The present invention relates to jack, more particularly, to a kind of jack overload alarm.
Background technology
At present, existing conventional hydraulic jacks jacking system is without any overload safety protection device, when jack works
Set pressure is in blind area, can so cause directly to use product over burdening, so as to cause damage of jack or out of control,
Constitute potential safety hazard.It is used for the jack of Grand Equipments, such as hydraulic air jack for some, if overload can not be realized
Safeguard protection, often brings immeasurable loss.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide jack overload alarm.
The purpose of the present invention is realized using following technical scheme：
A kind of jack overload alarm, including a base, the base are provided with an oil inlet, the jack overload
Warning device also includes a pressure regulator valve, a warning device and a trigger, and the base is additionally provided with one first mounting hole and one goes out
Oily passage, the oil discharge passage is connected with the oil inlet and the first mounting hole, and the pressure regulator valve is slidably mounted on described first
Mounting hole, when the jack overloads, the hydraulic oil pressure increase in the oil inlet makes the pressure regulator valve along described first
Mounting hole is moved, and the hydraulic oil enters the oil discharge passage and contradicts the trigger, the trigger and the warning device
Contact turns on the warning device.
Preferably, the jack overload alarm also includes an elastic component, and the elastic component is sheathed on the triggering
Device and two ends and the trigger and warning device conflict.
Preferably, the base is additionally provided with one second mounting hole, and the jack overload alarm also includes a fastening
Part, the fastener is fixedly installed in second mounting hole, and the warning device is located at the fastener side.
Preferably, the oil discharge passage is perpendicular to second mounting hole.
Preferably, the jack overload alarm also includes a sealing ring, and the sealing ring is sheathed on the alarm
Device simultaneously contradicts to prevent hydraulic oil from being leaked from second mounting hole with second mounting hole.
Preferably, the warning device is a buzzer.
Preferably, the jack overload alarm also includes a hydraulic pump, one first check valve, an oil cylinder, a storage
Fuel tank and one second check valve, the hydraulic pump are connected by first check valve with the fuel reserve tank, and the hydraulic pump leads to
Second check valve is crossed to be connected with the oil cylinder.
Preferably, the jack overload alarm also includes a safety valve, and the hydraulic pump passes through the safety valve
And the warning device is connected with the fuel reserve tank.
Preferably, the warning device is located between the safety valve and the fuel reserve tank.
Preferably, the jack overload alarm also include an oil return valve, the oil cylinder by the oil return valve with
The fuel reserve tank connection.
Compared to existing technology, in jack overload alarm of the present invention when jack overloads, the hydraulic pressure in oil inlet
Oil pressure increase makes pressure regulator valve be moved along the first mounting hole, and hydraulic oil enters oil discharge passage and contradicts trigger, trigger and alarm
Device contact turns on warning device, sends alarm, to remind operator, prevents jack overload damage.
Brief description of the drawings
Fig. 1 is a stereogram of jack overload alarm of the present invention.
Fig. 2 is a structural representation of the jack overload alarm of Fig. 1.
Fig. 3 is a hydraulic schematic diagram of the jack overload alarm of Fig. 2.
In figure：100th, jack overload alarm；10th, base；11st, oil inlet；12nd, the first mounting hole；14th, the second peace
Dress hole；16th, oil discharge passage；20th, pressure regulator valve；30th, fastener；40th, warning device；50th, sealing ring；60th, elastic component；70th, trigger
Device；200th, hydraulic pump；300th, oil cylinder；400th, safety valve；500th, fuel reserve tank；600th, the first check valve；700th, oil return valve；800th,
Two check valves.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can directly on another component
Or can also there is component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
Fig. 1 to Fig. 3 is referred to, a kind of jack overload alarm 100 includes that a base 10, a pressure regulator valve 20, are tight
Firmware 30, a warning device 40, a sealing ring 50, an elastic component 60, a trigger 70, a hydraulic pump 200, an oil cylinder 300,
Safety valve 400, a fuel reserve tank 500, one first check valve 600, an oil return valve 700 and one second check valve 800.
The base 10 is provided with an oil inlet 11, one first mounting hole 12, one second mounting hole 14 and an oil discharge passage 16.
First mounting hole 12 is parallel to second mounting hole 14.The oil discharge passage 16 is perpendicular to first mounting hole 12.
The oil discharge passage 16 is connected with the oil inlet 11, the first mounting hole 12 and the second mounting hole 14.
The fastener 30 is a trip bolt.The warning device 40 is a buzzer.The elastic component 60 is a bullet
Spring.The trigger 70 is made of an electrically conducting material.
When assembling the jack overload alarm 100, the pressure regulator valve 20 is slided and is contained in first mounting hole
12, the elastic component 60 is sheathed on the trigger 70 and is contained in second mounting hole 14.The warning device 40 is located at
In second mounting hole 14, the fastener 30 is fixed on second mounting hole 14.Now the two ends of the elastic component 60 are divided
Do not contradicted with the trigger 70 and the warning device 40.The warning device 40 is located at the elastic component 60 and the fastening
Between part 30.The sealing ring 50 is sheathed on the warning device 40 and contradicts to prevent hydraulic oil with second mounting hole 14
Leaked from second mounting hole 14.
The hydraulic pump 200 is connected by second check valve 800 with the oil cylinder 300.The hydraulic pump 200 passes through
First check valve 600 is connected with the fuel reserve tank 500.The hydraulic pump 200 is by the safety valve 400 and the alarm
Device 40 is connected with the fuel reserve tank 500.The oil cylinder 300 is connected by the oil return valve 700 with the fuel reserve tank 500.
During using the jack overload alarm 100, the handle of the hydraulic pump 200, the hydraulic pump 200 are pressed
By first check valve 600 from the draw oil of the fuel reserve tank 500, then by second check valve 800 to described
The input hydraulic pressure of oil cylinder 300 oil, so that the piston rod in the oil cylinder 300 is promoted, jack-up load.It is described when jack overloads
Safety valve 400 is opened, and the hydraulic oil of the suction of the hydraulic pump 200 enters the oil inlet 11, and makes oil in the oil inlet 11
Pressure rises, and the hydraulic oil promotes the pressure regulator valve 20 to be moved along first mounting hole 12, and the hydraulic oil goes out described in
Oily passage 16.The hydraulic oil promotes the trigger 70 to be moved to the warning device 40, the now deformation of the elastic component 60,
The trigger 70 is contacted with the warning device 40, and the warning device 40 is turned on, and sends alarm.
The oil return valve 700 is now opened, the hydraulic oil in oil cylinder 300 enters the fuel reserve tank 500, under the piston rod
Drop, load reduction.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. a kind of jack overload alarm, an including base, the base is provided with an oil inlet, it is characterised in that：It is described
Jack overload alarm also includes a pressure regulator valve, a warning device and a trigger, and the base is additionally provided with one first peace
Dress hole and an oil discharge passage, the oil discharge passage are connected with the oil inlet and the first mounting hole, and the pressure regulator valve is slidably installed
In first mounting hole, when the jack overloads, the hydraulic oil pressure increase in the oil inlet makes the pressure regulator valve
Moved along first mounting hole, the hydraulic oil enters the oil discharge passage and contradicts the trigger, the trigger and institute
Stating warning device contact turns on the warning device.
2. jack overload alarm according to claim 1, it is characterised in that：The jack overload alarm
Also include an elastic component, the elastic component is sheathed on the trigger and two ends are supported with the trigger and the warning device
Touch.
3. jack overload alarm according to claim 1, it is characterised in that：The base is additionally provided with one second peace
Dress hole, the jack overload alarm also includes a fastener, and the fastener is fixedly installed in second mounting hole,
The warning device is located at the fastener side.
4. jack overload alarm according to claim 3, it is characterised in that：The oil discharge passage is perpendicular to described
Second mounting hole.
5. jack overload alarm according to claim 3, it is characterised in that：The jack overload alarm
Also include a sealing ring, the sealing ring is sheathed on the warning device and is contradicted to prevent hydraulic oil with second mounting hole
From second mounting hole leakage.
6. jack overload alarm according to claim 1, it is characterised in that：The warning device is a buzzing
Device.
7. jack overload alarm according to claim 1, it is characterised in that：The jack overload alarm
Also include a hydraulic pump, one first check valve, an oil cylinder, a fuel reserve tank and one second check valve, the hydraulic pump is by described
First check valve is connected with the fuel reserve tank, and the hydraulic pump is connected by second check valve with the oil cylinder.
8. jack overload alarm according to claim 7, it is characterised in that：The jack overload alarm
Also include a safety valve, the hydraulic pump is connected by the safety valve and the warning device with the fuel reserve tank.
9. jack overload alarm according to claim 8, it is characterised in that：The warning device is located at the peace
Between full valve and the fuel reserve tank.
10. jack overload alarm according to claim 7, it is characterised in that：The jack overload warning dress
Putting also includes an oil return valve, and the oil cylinder is connected by the oil return valve with the fuel reserve tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236939.3A CN106744563A (en) | 2016-12-28 | 2016-12-28 | Jack overload alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236939.3A CN106744563A (en) | 2016-12-28 | 2016-12-28 | Jack overload alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106744563A true CN106744563A (en) | 2017-05-31 |
Family
ID=58924964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236939.3A Pending CN106744563A (en) | 2016-12-28 | 2016-12-28 | Jack overload alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106744563A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417236A (en) * | 1981-11-06 | 1983-11-22 | Michael Hung | Overload detecting device |
| US4533908A (en) * | 1981-12-09 | 1985-08-06 | Yasui Sangyo Co., Ltd. | Warning means for a safety valve of a hydraulic power unit and a hydraulic power unit having the same |
| US4938493A (en) * | 1988-03-29 | 1990-07-03 | Kabushiki Kaisha Okudaya Giken | Truck with a hand-operatable bed |
| US5937647A (en) * | 1996-11-01 | 1999-08-17 | Mvp ( H.K.) Industries Limited | Hydraulic circuit system for one-touch jack and its structure |
| US6199379B1 (en) * | 1999-10-01 | 2001-03-13 | Mvp (H.K.) Industries Limited | Oil circuit of a jack for rising object to preset position rapidly |
| CN201250070Y (en) * | 2008-05-21 | 2009-06-03 | 长治清华机械厂 | Overload warning device of lorry-mounted crane |
| CN204324842U (en) * | 2014-10-31 | 2015-05-13 | 上海宏信设备工程有限公司 | A kind of altitude job platform overload and inclination warning device |
-
2016
- 2016-12-28 CN CN201611236939.3A patent/CN106744563A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417236A (en) * | 1981-11-06 | 1983-11-22 | Michael Hung | Overload detecting device |
| US4533908A (en) * | 1981-12-09 | 1985-08-06 | Yasui Sangyo Co., Ltd. | Warning means for a safety valve of a hydraulic power unit and a hydraulic power unit having the same |
| US4938493A (en) * | 1988-03-29 | 1990-07-03 | Kabushiki Kaisha Okudaya Giken | Truck with a hand-operatable bed |
| US5937647A (en) * | 1996-11-01 | 1999-08-17 | Mvp ( H.K.) Industries Limited | Hydraulic circuit system for one-touch jack and its structure |
| US6199379B1 (en) * | 1999-10-01 | 2001-03-13 | Mvp (H.K.) Industries Limited | Oil circuit of a jack for rising object to preset position rapidly |
| CN201250070Y (en) * | 2008-05-21 | 2009-06-03 | 长治清华机械厂 | Overload warning device of lorry-mounted crane |
| CN204324842U (en) * | 2014-10-31 | 2015-05-13 | 上海宏信设备工程有限公司 | A kind of altitude job platform overload and inclination warning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |