CN214989950U - Long-stroke two-way lifting jack - Google Patents
Long-stroke two-way lifting jack Download PDFInfo
- Publication number
- CN214989950U CN214989950U CN202120965964.5U CN202120965964U CN214989950U CN 214989950 U CN214989950 U CN 214989950U CN 202120965964 U CN202120965964 U CN 202120965964U CN 214989950 U CN214989950 U CN 214989950U
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- jack
- gas
- base
- liquid conversion
- lifting
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Abstract
The utility model discloses a long stroke twice lifts jack, including box, base, hydraulic jack, gas-liquid conversion equipment and control pump, the base is fixed the top of box, both ends are equipped with the supporting part that can support in the trench both sides about the base, hydraulic jack and gas-liquid conversion equipment fix inside the box, hydraulic jack's top transversely is fixed with the lifting beam, be equipped with siren, pressure sensor and display screen on the lifting beam. The utility model discloses a set up pressure sensor on lifting the roof beam to show the pressure that lifting the roof beam bore on the display screen, make things convenient for the staff to detect the working condition of jack, when the pressure that bears on lifting the roof beam surpassed the maximum pressure that the jack can bear, the siren sends out the police dispatch newspaper, and gas-liquid conversion equipment stops to continue to provide power for the jack, prevents that the jack from damaging, makes things convenient for the staff in time to change suitable jack and lifts again.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of jack, especially long stroke twice lift jack's technical field.
[ background of the invention ]
When the chassis of the bus is overhauled through a trench, parts of a large-scale power system need to be lifted before the bus body is convenient to operate when being detached and installed, and due to the fact that the weight of the bus is large, the bearing pressure of a jack can be exceeded when the bus is lifted, the jack is easy to damage, and the maintenance process can be more troublesome and longer.
[ Utility model ] content
The utility model aims at solving the problem in the prior art, providing a long stroke twice lift jack, can make the jack show the pressure that the jack bore when lifting, can be in time to send out the police dispatch newspaper when exceeding maximum pressure.
In order to realize the above object, the utility model provides a long stroke twice lifts jack, including box, base, hydraulic jack, gas-liquid conversion equipment and control pump, the base is fixed the top of box, both ends are equipped with the supporting part that can support in the trench both sides about the base, hydraulic jack and gas-liquid conversion equipment are fixed inside the box, gas-liquid conversion equipment's input with the control pump intercommunication, gas-liquid conversion equipment's output with the hydraulic jack intercommunication, hydraulic jack's top transversely is fixed with the lifting beam, be equipped with siren, pressure sensor and display screen on the lifting beam, pressure sensor with the siren the display screen the equal electrical connection of control pump, the display screen shows the pressure that pressure sensor received.
Preferably, when the pressure sensor senses that the pressure reaches an early warning value, the alarm gives an alarm, and the control pump controls the gas-liquid conversion device to stop working.
Preferably, an air valve lock catch is arranged on an air inlet pipeline of the gas-liquid conversion device, the air valve lock catch is arranged inside the base, and a window opposite to the air valve lock catch is formed in the front end face of the base.
Preferably, the left end and the right end of the lifting beam are both provided with telescopic arms, the lifting beam is provided with hand wheels capable of adjusting the telescopic arms to stretch, and the telescopic arms are provided with supporting blocks.
Preferably, the supporting portion of the base is provided with a spring roller.
The utility model has the advantages that: the utility model discloses a set up pressure sensor on lifting the roof beam to show the pressure that lifting the roof beam bore on the display screen, make things convenient for the staff to detect the working condition of jack, when the pressure that bears on lifting the roof beam surpassed the maximum pressure that the jack can bear, the siren sends out the police dispatch newspaper, gas-liquid conversion equipment stops to continue to provide power for the jack, stop the lifting work of jack, prevent that the jack from damaging, make things convenient for the staff in time to change suitable jack and lift again, improve the efficiency and the security of maintenance.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the long-stroke two-way lifting jack of the present invention.
In the figure: the device comprises a box body 1, a base 2, a hydraulic jack 3, a lifting beam 4, an alarm 5, a display screen 6, an air valve lock catch 7, a spring roller 21, a telescopic arm 41, a hand wheel 42 and a supporting block 43.
[ detailed description ] embodiments
Referring to fig. 1, the utility model discloses, including box 1, base 2, hydraulic jack 3, gas-liquid conversion equipment and control pump, base 2 is fixed at the top of box 1, the left and right ends of base 2 are equipped with the supporting part that can support in the trench both sides, hydraulic jack 3 and gas-liquid conversion equipment are fixed in box 1, the input of gas-liquid conversion equipment with the control pump intercommunication, the output of gas-liquid conversion equipment with hydraulic jack 3 intercommunication, hydraulic jack 3's top transversely is fixed with lifting beam 4, be equipped with siren 5, pressure sensor and display screen 6 on lifting beam 4, pressure sensor with siren 5, display screen 6, the control pump all electrically links to each other, display screen 6 shows the pressure that pressure sensor received, when pressure sensor senses the pressure and reaches the early warning value, the alarm 5 gives an alarm, the control pump controls the gas-liquid conversion device to stop working, an air valve lock catch 7 is arranged on an air inlet pipeline of the gas-liquid conversion device, the air valve lock catch 7 is arranged inside the base 2, a window opposite to the position of the air valve lock catch 7 is formed in the front end face of the base 2, telescopic arms 41 are arranged at the left end and the right end of the lifting beam 4, a hand wheel 42 capable of adjusting the telescopic arms 41 to stretch is arranged on the lifting beam 4, supporting blocks 43 are arranged on the telescopic arms 41, and spring rollers 21 are arranged on supporting portions of the base 2.
The utility model discloses the working process:
the utility model relates to a long stroke twice lifts jack in the course of the work, will lift jack and push to the suitable position below the automobile body, then start the control pump, gas-liquid conversion equipment converts atmospheric pressure into hydraulic pressure, hydraulic jack 3 lifts the automobile body through lifting beam 5 after receiving hydraulic pressure, show the pressure that lifting beam 4 bore on the display screen 6, make things convenient for the staff to detect the working condition of lifting jack, after the automobile body lifts to required height, pull down pneumatic valve hasp 7, hydraulic jack 3 is locked until untiing pneumatic valve hasp 7 in this state, in the course of lifting, if the pressure that bears on lifting beam 4 exceeds the maximum pressure that hydraulic jack 3 can bear, siren 5 sends out the police dispatch newspaper, gas-liquid conversion equipment stops to continue to provide power for hydraulic jack 3, hydraulic jack 3 slowly falls back to the normal position, the staff replaces and bears the lifting jack that pressure is bigger and lifts again, the jack is prevented from being damaged, and potential safety hazards are prevented from being caused to maintenance.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. The utility model provides a long stroke twice lifting jack which characterized in that: comprises a box body (1), a base (2), a hydraulic jack (3), a gas-liquid conversion device and a control pump, the base (2) is fixed on the top of the box body (1), the left end and the right end of the base (2) are provided with supporting parts which can be supported on two sides of the trench, the hydraulic jack (3) and the gas-liquid conversion device are fixed in the box body (1), the input end of the gas-liquid conversion device is communicated with the control pump, the output end of the gas-liquid conversion device is communicated with the hydraulic jack (3), a lifting beam (4) is transversely fixed at the top of the hydraulic jack (3), an alarm (5), a pressure sensor and a display screen (6) are arranged on the lifting beam (4), the pressure sensor is electrically connected with the alarm (5), the display screen (6) and the control pump, and the display screen (6) displays the pressure applied to the pressure sensor.
2. The long travel two lift jack of claim 1 wherein: when the pressure sensor senses that the pressure reaches an early warning value, the alarm (5) gives an alarm, and the control pump controls the gas-liquid conversion device to stop working.
3. The long travel two lift jack of claim 1 wherein: an air valve lock catch (7) is arranged on an air inlet pipeline of the gas-liquid conversion device, the air valve lock catch (7) is arranged inside the base (2), and a window opposite to the air valve lock catch (7) is formed in the front end face of the base (2).
4. The long travel two lift jack of claim 1 wherein: both ends all are equipped with flexible arm (41) about lifting beam (4), be equipped with hand wheel (42) that can adjust flexible arm (41) and stretch out and draw back on lifting beam (4), be equipped with supporting shoe (43) on flexible arm (41).
5. The long travel two lift jack of claim 1 wherein: the supporting part of the base (2) is provided with a spring roller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120965964.5U CN214989950U (en) | 2021-05-08 | 2021-05-08 | Long-stroke two-way lifting jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120965964.5U CN214989950U (en) | 2021-05-08 | 2021-05-08 | Long-stroke two-way lifting jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214989950U true CN214989950U (en) | 2021-12-03 |
Family
ID=79090492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120965964.5U Active CN214989950U (en) | 2021-05-08 | 2021-05-08 | Long-stroke two-way lifting jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214989950U (en) |
-
2021
- 2021-05-08 CN CN202120965964.5U patent/CN214989950U/en active Active
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