CN205187797U - Emergent device of transferring of hydraulic pressure aerial working platform - Google Patents
Emergent device of transferring of hydraulic pressure aerial working platform Download PDFInfo
- Publication number
- CN205187797U CN205187797U CN201521037271.0U CN201521037271U CN205187797U CN 205187797 U CN205187797 U CN 205187797U CN 201521037271 U CN201521037271 U CN 201521037271U CN 205187797 U CN205187797 U CN 205187797U
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- valve
- stop valve
- high pressure
- pressure stop
- balance cock
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Abstract
The utility model discloses an emergent device of transferring of hydraulic pressure aerial working platform, include that balanced valve no. 1 and balanced valve in hydraulic lift mechanism establish ties and have high pressure isolating valve no. 3 between two, it has high pressure isolating valve no. 2 to establish ties between balanced valve no. 1 and the oil return opening, and the parallelly connected high pressure isolating valve no. 1 that has is gone up to balanced valve no. 1, luffing cylinder connects gradually explosion -proof valve, high pressure isolating valve no. 1, high pressure isolating valve no. 3, balanced valve no. 2 and flexible hydro -cylinder, forms flexible return circuit, luffing cylinder connects gradually explosion -proof valve, high pressure isolating valve no. 1, high pressure isolating valve no. 2 and oil return opening, forms the oil return return circuit. The utility model discloses a setting up a plurality of high pressure isolating valve in hydraulic pressure aerial working platform's hydraulic lift mechanism, running into that electric system and control system lost efficacy or normal behavior takes place down to have a power failure suddenly and lead to the fact the system suddenly during compelled the parking, ground is returned to personnel and equipment safety that hydraulic system can aloft work through simple operation messenger, simple structure, and convenient operation, it is with low costs, the safety and stability.
Description
Technical field
The utility model belongs to high-altitude operation platform production field, and specifically a kind of hydraulic pressure high-altitude operation platform is met an urgent need downward putting device.
Background technology
At present, majority is cranked arm the leveling of lifting that high-altitude operation platform still adopts HYDRAULIC CONTROL SYSTEM to crank arm and workplatform, but when electric system and control system lost efficacy, and when occurring in normal operating conditions to have a power failure suddenly, system can be caused to be forced to suddenly stop, cause to return to ground safely the personnel of aloft work and equipment, therefore need an emergent lowering system to imitate and address this problem, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of structure is simple, cost is low high-altitude operation platform to meet an urgent need downward putting device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of hydraulic pressure high-altitude operation platform is met an urgent need downward putting device, comprise the amplitude oil cylinder in job platform hydraulic efficiency elevation structure, explosion relief valve, balance cock one, balance cock two, balance cock three, telescopic oil cylinder and return opening, high-pressure stop valve three is in series with between described balance cock one and balance cock two, be in series with high-pressure stop valve two between described balance cock one and return opening, described balance cock one is parallel with high-pressure stop valve one;
Described amplitude oil cylinder connects explosion relief valve, high-pressure stop valve one, high-pressure stop valve three, balance cock two and telescopic oil cylinder successively by pipeline, forms flexible loop;
Described amplitude oil cylinder connects explosion relief valve, high-pressure stop valve one, high-pressure stop valve two and return opening successively by pipeline, forms oil return circuit.
Further, high-pressure stop valve four is in series with between described balance cock three and return opening; Described telescopic oil cylinder, by pipeline connecting balanced valve three, high-pressure stop valve four and return opening successively, forms speed control loop.
The beneficial effects of the utility model: the utility model by arranging several high-pressure stop valves in the hydraulic efficiency elevation structure of hydraulic pressure high-altitude operation platform, when running into electric system and control system lost efficacy or under normal operation, generation power failure suddenly causes system to be forced to suddenly stop, hydraulic efficiency pressure system makes to return to ground the personnel of aloft work and device security by shirtsleeve operation, structure is simple, easy to operate, cost is low, safety and stability.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1-high-pressure stop valve one; 2-high-pressure stop valve two; 3-high-pressure stop valve three; 4-high-pressure stop valve four; 5-amplitude oil cylinder; 6-explosion relief valve; 7-balance cock one; 8-balance cock two; 9-balance cock three; 10-expansion link; 11-change-over valve; 12-return opening.
Detailed description of the invention
As shown in Figure 1; the utility model provides a kind of hydraulic pressure high-altitude operation platform and to meet an urgent need downward putting device; comprise four high-pressure stop valves be connected to by pipeline in job platform hydraulic efficiency elevation structure; flexible loop, speed control loop and oil return circuit is formed, in the retraction of system-down time control koji arm and transferring of workplatform in hydraulic efficiency elevation structure.
Hydraulic efficiency elevation structure comprises the amplitude oil cylinder 5, explosion relief valve 6, balance cock 1, balance cock 28, balance cock 39, telescopic oil cylinder 10, return opening 12 and four change-over valves 11 that are connected by pipeline, and the Median Function of change-over valve 11 is " 0 " type.
Flexible loop is from amplitude oil cylinder 5s, explosion relief valve 6, high-pressure stop valve 1, high-pressure stop valve 33, balance cock 28 and telescopic oil cylinder 10 is connected successively by pipeline, the deadweight of amplitude oil cylinder 5 loaded work piece platform and jib of cranking arm, explosion relief valve 6 connects the rodless cavity of amplitude oil cylinder 5, high-pressure stop valve 1 is connected in parallel on balance cock 1, balance cock 28 connects the rod chamber of telescopic oil cylinder 10, and telescopic oil cylinder 10 controls the flexible of jib of cranking arm.
When system-down; high-pressure stop valve 1 and high-pressure stop valve 33 are opened in manual operations; at this moment the load utilizing jib and dead weight of platform to produce drives the rodless cavity of amplitude oil cylinder 5 to produce oil pressure; due to high-pressure stop valve 1 and high-pressure stop valve 33 conducting; fluid in the rodless cavity of amplitude oil cylinder 5 enters the rod chamber of telescopic oil cylinder 10 under oil pressure effect, and the piston of Direct driver telescopic oil cylinder 10 forces telescopic oil cylinder 10 retraction that jib is retracted.
Speed control loop is from telescopic oil cylinder 10s, and by pipeline successively connecting balanced valve 39, high-pressure stop valve 44 and return opening 12, balance cock 39 connects the rodless cavity of telescopic oil cylinder 10.When high-pressure stop valve 1 and high-pressure stop valve 33 conducting, open high-pressure stop valve 44, fluid in the rodless cavity of telescopic oil cylinder 10 enters return opening 12 under oil pressure effect, accelerating jib and retracts, can control jib retraction speed by opening or closing high-pressure stop valve 44.
Oil return circuit is from amplitude oil cylinder 5s, explosion relief valve 6, high-pressure stop valve 1, high-pressure stop valve 22 and return opening 12 is connected successively by pipeline, when jib is all regained, close high-pressure stop valve 33 and high-pressure stop valve 44, open high-pressure stop valve 22, fluid in the rodless cavity of amplitude oil cylinder 5 enters return opening 12 under oil pressure effect, controls amplitude oil cylinder and bounces back separately, make the jib bottom until workplatform drops to perch completely.
After workplatform drops to perch completely, Close All four high-pressure stop valves, System recover, to original state, etc. system reparation or after restoring electricity, restarts hydraulic efficiency pressure system, and job platform can normally work again.
The utility model by arranging four high-pressure stop valves in the hydraulic efficiency elevation structure of hydraulic pressure high-altitude operation platform, when running into electric system and control system lost efficacy or under normal operation, generation power failure suddenly causes system to be forced to suddenly stop, hydraulic efficiency pressure system makes to return to ground the personnel of aloft work and device security by shirtsleeve operation, structure is simple, easy to operate, cost is low, safety and stability.
Above content is only to the utility model structure example and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (2)
1. a hydraulic pressure high-altitude operation platform is met an urgent need downward putting device, comprise the amplitude oil cylinder (5) in job platform hydraulic efficiency elevation structure, explosion relief valve (6), balance cock one (7), balance cock two (8), balance cock three (9), telescopic oil cylinder (10) and return opening (12), it is characterized in that: between described balance cock one (7) and balance cock two (8), be in series with high-pressure stop valve three (3), high-pressure stop valve two (2) is in series with between described balance cock one (7) and return opening (12), described balance cock one (7) is parallel with high-pressure stop valve one (1),
Described amplitude oil cylinder (5) connects explosion relief valve (6), high-pressure stop valve one (1), high-pressure stop valve three (3), balance cock two (8) and telescopic oil cylinder (10) successively by pipeline, forms flexible loop;
Described amplitude oil cylinder (5) connects explosion relief valve (6), high-pressure stop valve one (1), high-pressure stop valve two (2) and return opening (12) successively by pipeline, forms oil return circuit.
2. a kind of hydraulic pressure high-altitude operation platform according to claim 1 is met an urgent need downward putting device, it is characterized in that: be in series with high-pressure stop valve four (4) between described balance cock three (9) and return opening (12); Described telescopic oil cylinder (10), by pipeline successively connecting balanced valve three (9), high-pressure stop valve four (4) and return opening (12), forms speed control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037271.0U CN205187797U (en) | 2015-12-10 | 2015-12-10 | Emergent device of transferring of hydraulic pressure aerial working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037271.0U CN205187797U (en) | 2015-12-10 | 2015-12-10 | Emergent device of transferring of hydraulic pressure aerial working platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205187797U true CN205187797U (en) | 2016-04-27 |
Family
ID=55780813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521037271.0U Expired - Fee Related CN205187797U (en) | 2015-12-10 | 2015-12-10 | Emergent device of transferring of hydraulic pressure aerial working platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205187797U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829815A (en) * | 2017-03-27 | 2017-06-13 | 徐工消防安全装备有限公司 | The arm support control system and aerial work platform of aerial work platform |
| CN107720642A (en) * | 2017-09-07 | 2018-02-23 | 美通重工有限公司 | Aerial work platform receives arm-type valve group automatically |
| CN108691849A (en) * | 2018-04-23 | 2018-10-23 | 马钢(集团)控股有限公司 | Emergency system after a kind of failure of construction machinery hydraulic system |
| CN112814961A (en) * | 2021-01-15 | 2021-05-18 | 三一汽车制造有限公司 | Boom hydraulic system of working vehicle, control method and working vehicle |
| CN113586557A (en) * | 2021-07-23 | 2021-11-02 | 三一汽车制造有限公司 | Arm support control method, device and system of pumping vehicle and pumping vehicle |
| EP4043382A1 (en) * | 2021-02-11 | 2022-08-17 | Xtreme Manufacturing, LLC | Systems and methods for bleed down and retraction of a construction machine boom |
| CN114933263A (en) * | 2022-05-11 | 2022-08-23 | 湖南中联重科智能高空作业机械有限公司 | Double-oil-cylinder synchronous hydraulic system and telescopic boom forklift truck |
-
2015
- 2015-12-10 CN CN201521037271.0U patent/CN205187797U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829815A (en) * | 2017-03-27 | 2017-06-13 | 徐工消防安全装备有限公司 | The arm support control system and aerial work platform of aerial work platform |
| CN107720642A (en) * | 2017-09-07 | 2018-02-23 | 美通重工有限公司 | Aerial work platform receives arm-type valve group automatically |
| CN108691849A (en) * | 2018-04-23 | 2018-10-23 | 马钢(集团)控股有限公司 | Emergency system after a kind of failure of construction machinery hydraulic system |
| CN112814961A (en) * | 2021-01-15 | 2021-05-18 | 三一汽车制造有限公司 | Boom hydraulic system of working vehicle, control method and working vehicle |
| CN112814961B (en) * | 2021-01-15 | 2023-05-30 | 三一汽车制造有限公司 | Boom hydraulic system of working vehicle, control method and working vehicle |
| EP4043382A1 (en) * | 2021-02-11 | 2022-08-17 | Xtreme Manufacturing, LLC | Systems and methods for bleed down and retraction of a construction machine boom |
| US11976675B2 (en) | 2021-02-11 | 2024-05-07 | Xtreme Manufacturing, Llc | Systems and methods for bleed down and retraction of a construction machine boom |
| CN113586557A (en) * | 2021-07-23 | 2021-11-02 | 三一汽车制造有限公司 | Arm support control method, device and system of pumping vehicle and pumping vehicle |
| CN113586557B (en) * | 2021-07-23 | 2023-11-17 | 三一汽车制造有限公司 | Arm support control method, device and system of pumping vehicle and pumping vehicle |
| CN114933263A (en) * | 2022-05-11 | 2022-08-23 | 湖南中联重科智能高空作业机械有限公司 | Double-oil-cylinder synchronous hydraulic system and telescopic boom forklift truck |
| CN114933263B (en) * | 2022-05-11 | 2024-01-30 | 湖南中联重科智能高空作业机械有限公司 | Double-cylinder synchronous hydraulic system and telescopic arm forklift truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161210 |