CN203728528U - Hydraulic self-service companion ladder - Google Patents
Hydraulic self-service companion ladder Download PDFInfo
- Publication number
- CN203728528U CN203728528U CN201420034781.1U CN201420034781U CN203728528U CN 203728528 U CN203728528 U CN 203728528U CN 201420034781 U CN201420034781 U CN 201420034781U CN 203728528 U CN203728528 U CN 203728528U
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- Prior art keywords
- cylinder
- piston cylinder
- action piston
- check valve
- load lifting
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Abstract
The utility model discloses a hydraulic self-service companion ladder, and belongs to the technical field of companion ladders. The hydraulic self-service companion ladder comprises a base, an oil tank, a first one-way valve, a first single-action piston cylinder, a second one-way valve, an oil discharging valve, a lifting cylinder, a third one-way valve, a fourth one-way valve, a second single-action piston cylinder, a supporting frame, a pin shaft, a pedal connection plate, a pipeline, a spring and a rail. By mean of the magnification principle of hydraulic pressure, an operator enables himself to reach a certain height by pedaling by two feet. The hydraulic self-service companion ladder does not use electricity, is not driven by an electric motor, and is simple in structure, convenient to use and safe and reliable during a climbing operation.
Description
Technical field
The utility model relates to a kind of companion ladder, is specifically related to a kind of hydraulic self-service formula companion ladder.
Background technology
In daily production, life, sometimes have the requirement of ascend operation, such as the fan on installation and maintenance top ceiling or light fixture etc., electrician mainly assists ascend operation with double ladder at present.Double ladder volume is larger, and carrying is inconvenient, and the ground of particularly having laid floor tile is very sliding, and after the upper ladder of people, ladder has the danger sliding into, and the occasion that ground is sliding is used double ladder ascend operation very dangerous.
In Chinese Patent Application No.: disclose a kind of herringbone single-sided lifting ladder in 201110353952, comprise the first ladder, the second ladder, slide and latching device, the first terraced upper end and the second terraced upper end are hinged, between the first ladder and the second ladder, be hinged with the connecting rod mechanism that keeps opening angle, the second ladder and slide sliding block joint, latching device is located on slide.The herringbone single-sided lifting ladder of this technical scheme, by increase latching device in ladder side, can be so that companion ladder can be locked while adjusting to certain altitude easily, convenient and strength-saving, simple in structure, manufacturing cost is also low.But this technical scheme is easily skidded when ground grading is used, after the upper ladder of people, ladder has the danger sliding into, and the occasion that ground is sliding is used double ladder ascend operation very dangerous.
In Chinese Patent Application No.: disclose a kind of aerial device in 201320038955, be specifically related to a kind of armed ascending aid.What comprise base and be arranged at base top has a guard bar lifting platform, and wheel is arranged at base bottom, is provided with motor in base, in the rotating shaft of motor, driving gear is installed; In base, center is provided with bearing seat, and driven gear is installed on bearing seat, driven gear and driving gear engagement; There is internal thread hole at driven gear center, and a screw rod is vertically arranged at base center, and screw rod upper end extends base top, screw rod middle part coordinates with the internal thread hole of driven gear, screw surface has the guide groove of vertical setting, is fixed with limiting stopper above base, and limiting stopper is inserted in guide groove; Screw rod upper end is fixed on guard bar lifting platform bottom center position; Have on the guardrail of guard bar lifting platform motor switch is installed.This technical scheme complex structure, volume is large, is inconvenient to use.
In Chinese Patent Application No.: disclose a kind of apparatus of ascending a height for hen house in 201210462050, comprise moving trolley and lifting table, it is characterized in that, the both sides of the upper surface of described moving trolley are provided with hydraulic actuating cylinder, described moving trolley top is provided with bracing frame, the two ends of support frame as described above are provided with pulley, on described hydraulic actuating cylinder, be provided with hydraulic stem, described hydraulic stem is connected with the lower end axle of support frame as described above, the point that hydraulic stem is connected with bracing frame axle is above the pulley of bracing frame lower end, and support frame as described above top is provided with lifting table.This technical scheme volume is large, and inconvenience is used in little space.
Utility model content
For the problems referred to above, the utility model provides a kind of structure simple, easy to use, ascending operation-using safety failure-free hydraulic self-service formula companion ladder.
In order to address the above problem, the technical scheme that the utility model provides is:
A kind of hydraulic self-service formula companion ladder, comprise base, oil cock, foot-operated connecting plate, first, second single-action piston cylinder, described base is provided with fuel tank, load lifting cylinder, described first, second single-action piston cylinder is fixedly connected with described base, and described oil cock is connected with described fuel tank, load lifting cylinder respectively by pipeline; Described the first single-action piston cylinder is connected with first, second check valve respectively by pipeline, and described the second single-action piston cylinder is connected with the 3rd, the 4th check valve respectively by pipeline, and described the first, the 3rd check valve is connected with described fuel tank by pipeline; Described the second, the 4th check valve is connected with described load lifting cylinder by pipeline; Working medium in described fuel tank flows in the first single-action piston cylinder through described the first check valve, and the working medium in described fuel tank flows in the second single-action piston cylinder through described the 3rd check valve; Working medium in described the first single-action piston cylinder flows in described load lifting cylinder through described the second check valve, and the working medium in described the second single-action piston cylinder flows in described load lifting cylinder through described the 4th check valve; The cylinder diameter of described load lifting cylinder and the ratio of its diameter of piston rod are greater than the described cylinder diameter of first, second single-action piston cylinder and the ratio of its diameter of piston rod; Described foot-operated connecting plate is and is flexibly connected with described piston of load lifting cylinder masthead end, first, second single action piston cylinder piston rod top.During use, operator stands on foot-operated connecting plate, if left leg is pedaled under first exerting oneself, the second single-action piston cylinder is up, and pressurization working lumen volume increases, and forms parital vacuum, from fuel tank oil suction; With under rear right-leg, pedal, the second single-action piston cylinder is descending, pressurization working lumen volume reduces, pressure increases, and pressure oil backs down the 4th check valve and enters load lifting cylinder, and piston rod ejects, the operating personal standing on pedal rises, the second single-action piston cylinder is descending when completing oil extraction, and the first single-action piston cylinder is up, has completed oil suction work.Along with alternately scrunching of left and right leg, operating personal just can steadily raise, until the height of operation stops.
Complete after All Jobs, hang off fuel tap, under the effect of gravity, load lifting cylinder steadily resets.Operating personal leaves after foot-operated connecting plate, and first, second single-action piston cylinder resets under action of the spring.
Preferably, on described load lifting cylinder, cover has bracket; Described first, second single-action piston cylinder is fixedly mounted on described bracket both sides.
Preferably, also comprise spring, described first, second single action piston cylinder piston rod is fixedly connected with described first, second single-action piston cylinder by described spring.
Preferably, described foot-operated connecting plate is flexibly connected by bearing pin with described piston of load lifting cylinder masthead end.
Preferably, described foot-operated connecting plate and described first, second single-action piston cylinder external part are hinged.
Preferably, described foot-operated connecting plate is provided with guardrail, protection operator's safety.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts the amplification principle of power hydraulic system power, and operator is just trampled and oneself can be delivered to certain height safely by own both feet.This device, not by electric power, is not used direct motor drive, and simple in structure, easy to use, ascending operation-using safety is reliable.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, base, 2, fuel tank, the 3, first check valve, 4, the first single-action piston cylinder, the 5, second check valve, 6, oil cock, 7, load lifting cylinder, the 8, the 3rd check valve, the 9, the 4th check valve, 10, the second single-action piston cylinder, 11, bracket, 12, bearing pin, 13, foot-operated connecting plate, 14, pipeline, 15, spring, 16, guardrail.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
In conjunction with Fig. 1, a kind of hydraulic self-service formula companion ladder of the present utility model, comprises base 1, fuel tank 2, the first check valve 3, the first single-action piston cylinder 4, the second check valve 5, oil cock 6, load lifting cylinder 7, the 3rd check valve 8, the 4th check valve 9, the second single-action piston cylinder 10, bracket 11, bearing pin 12, foot-operated connecting plate 13, pipeline 14, spring 15, guardrail 16.
Base 1 is provided with fuel tank 2 and load lifting cylinder 7, and oil cock 6 is connected with fuel tank 2, load lifting cylinder 7 respectively by pipeline 14; On load lifting cylinder 7, cover has bracket 11; Bracket 11 both sides are installed with first, second single-action piston cylinder, the first single-action piston cylinder 4 is connected with first, second check valve respectively by pipeline 14, the second single-action piston cylinder 10 is connected with the 3rd, the 4th check valve respectively by pipeline 14, and the first, the 3rd check valve is connected with fuel tank 2 by pipeline 14; The second, the 4th check valve is connected with load lifting cylinder 7 by pipeline 14; Working medium in fuel tank 2 flows in the first single-action piston cylinder 4 through pipeline 14 and the first check valve 3, working medium in fuel tank 2 flows in the second single-action piston cylinder 10 through pipeline 14 and the second check valve 8. and the working medium in the first single-action piston cylinder 4 flows in load lifting cylinder 7 through pipeline 14, the second check valve 5, and the working medium in the second single-action piston cylinder 10 flows in load lifting cylinder 7 through pipeline 14, the 4th check valve 9; First, second single action piston cylinder piston rod is fixedly connected with first, second single-action piston cylinder by spring 15; Foot-operated connecting plate 13 is flexibly connected by bearing pin 12 with load lifting cylinder 7 piston rod tops; Foot-operated connecting plate 13 is hinged with first, second single-action piston cylinder external part; On foot-operated connecting plate 13, be also provided with guardrail 16, protection operator's safety.
This device adopts the amplification principle of hydraulic coupling, therefore require the cylinder diameter of load lifting cylinder 7 and the ratio of its diameter of piston rod to be greater than the cylinder diameter of first, second single-action piston cylinder and the ratio of its diameter of piston rod.
During use, operator stands on foot-operated connecting plate 13, if left leg is pedaled under first exerting oneself, the second single-action piston cylinder 10 is up, and pressurization working lumen volume increases, and forms parital vacuum, from fuel tank 4 oil suctions; With under rear right-leg, pedal, the second single-action piston cylinder 10 is descending, pressurization working lumen volume reduces, pressure increases, and pressure oil backs down the 4th check valve 9 and enters load lifting cylinder 7, and piston rod ejects, the operating personal standing on pedal rises, second single-action piston cylinder 10 is descending when completing oil extraction, and the first single-action piston cylinder 4 is up, has completed oil suction work.Along with alternately scrunching of left and right leg, operating personal just can steadily raise, until the height of operation stops.
Complete after All Jobs, hang off fuel tap 6, under the effect of gravity, load lifting cylinder 7 steadily resets.Operating personal leaves after foot-operated connecting plate 13, and first, second single-action piston cylinder resets under spring 15 effects.
More than show and described groundwork of the present utility model, principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a hydraulic self-service formula companion ladder, it is characterized in that: comprise base, oil cock, foot-operated connecting plate, first, second single-action piston cylinder, described base is provided with fuel tank, load lifting cylinder, described first, second single-action piston cylinder is fixedly connected with described base, and described oil cock is connected with described fuel tank, load lifting cylinder respectively by pipeline; Described the first single-action piston cylinder is connected with first, second check valve respectively by pipeline, and described the second single-action piston cylinder is connected with the 3rd, the 4th check valve respectively by pipeline, and described the first, the 3rd check valve is connected with described fuel tank by pipeline; Described the second, the 4th check valve is connected with described load lifting cylinder by pipeline; Working medium in described fuel tank flows in the first single-action piston cylinder through described the first check valve, and the working medium in described fuel tank flows in the second single-action piston cylinder through described the 3rd check valve; Working medium in described the first single-action piston cylinder flows in described load lifting cylinder through described the second check valve, and the working medium in described the second single-action piston cylinder flows in described load lifting cylinder through described the 4th check valve; The cylinder diameter of described load lifting cylinder and the ratio of its diameter of piston rod are greater than the described cylinder diameter of first, second single-action piston cylinder and the ratio of its diameter of piston rod; Described foot-operated connecting plate is and is flexibly connected with described piston of load lifting cylinder masthead end, first, second single action piston cylinder piston rod top.
2. hydraulic self-service formula companion ladder according to claim 1, is characterized in that: on described load lifting cylinder, cover has bracket; Described first, second single-action piston cylinder is fixedly mounted on described bracket both sides.
3. hydraulic self-service formula companion ladder according to claim 1, is characterized in that: also comprise spring, described first, second single action piston cylinder piston rod is fixedly connected with described first, second single-action piston cylinder by described spring.
4. hydraulic self-service formula companion ladder according to claim 1, is characterized in that: described foot-operated connecting plate is flexibly connected by bearing pin with described piston of load lifting cylinder masthead end.
5. hydraulic self-service formula companion ladder according to claim 1, is characterized in that: described foot-operated connecting plate and described first, second single-action piston cylinder external part are hinged.
6. hydraulic self-service formula companion ladder according to claim 1, is characterized in that: described foot-operated connecting plate is provided with guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034781.1U CN203728528U (en) | 2014-01-20 | 2014-01-20 | Hydraulic self-service companion ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034781.1U CN203728528U (en) | 2014-01-20 | 2014-01-20 | Hydraulic self-service companion ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728528U true CN203728528U (en) | 2014-07-23 |
Family
ID=51198617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420034781.1U Expired - Fee Related CN203728528U (en) | 2014-01-20 | 2014-01-20 | Hydraulic self-service companion ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203728528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241679A (en) * | 2016-10-14 | 2016-12-21 | 徐洪恩 | A kind of mechanical platform of multiplex extensible automatic control lifting |
| CN110550584A (en) * | 2019-09-20 | 2019-12-10 | 严华 | Portable passive pedal elevator |
| CN112408285A (en) * | 2020-11-28 | 2021-02-26 | 周琼 | Welding system suitable for high-altitude operation |
-
2014
- 2014-01-20 CN CN201420034781.1U patent/CN203728528U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241679A (en) * | 2016-10-14 | 2016-12-21 | 徐洪恩 | A kind of mechanical platform of multiplex extensible automatic control lifting |
| CN106241679B (en) * | 2016-10-14 | 2019-09-03 | 温州慧思工业设计有限公司 | A kind of mechanical platform being mostly used extensible automatic control lifting |
| CN110550584A (en) * | 2019-09-20 | 2019-12-10 | 严华 | Portable passive pedal elevator |
| CN112408285A (en) * | 2020-11-28 | 2021-02-26 | 周琼 | Welding system suitable for high-altitude operation |
| CN112408285B (en) * | 2020-11-28 | 2021-10-15 | 阜宁木森铸件有限公司 | Welding system suitable for high-altitude operation |
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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 |
Granted publication date: 20140723 Termination date: 20160120 |
|
| EXPY | Termination of patent right or utility model |