CN203498016U - Portal frame type elevating platform - Google Patents
Portal frame type elevating platform Download PDFInfo
- Publication number
- CN203498016U CN203498016U CN201320590584.3U CN201320590584U CN203498016U CN 203498016 U CN203498016 U CN 203498016U CN 201320590584 U CN201320590584 U CN 201320590584U CN 203498016 U CN203498016 U CN 203498016U
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- hydraulic
- portal frame
- protection
- elevating
- valve
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Abstract
The utility model discloses and aims to provide a portal frame type elevating platform that can reach an expected elevating height and have a rated loading capacity in a limited space. The portal frame type elevating platform comprises a safety guardrail, a work bench top, a cover casing, a portal frame elevating system, a chassis, a hydraulic system, an electric control system, a protection and security system, etc. The elevating system is a fork truck portal frame elevating system, is installed in a split manner and is driven to elevate by a three-stage portal frame, and an elevating system allows stepless speed control to be achieved. The hydraulic system provides oil to the system through a combination power unit and is composed of a hydraulic pump, an electromagnetic reversing valve, a hydraulic control unidirectional speed regulating valve, a shunting mass flow valve, a pilot type overflow valve, a high pressure oil pipe or the like. The hydraulic system is further provided with an overflow valve used for control protection of pressure of the system, and is also equipped with a hydraulic lock for protection and self-locking after all operation oil cylinders are in place. Through oil suction and oil return dual filtering functions, the hydraulic system is guaranteed to be clean.
Description
Technical field
The utility model relates to lifting machinery, especially a kind of gantry type lifting table.
Background technology
Lifting table is widely used in high NULLCHECK, maintenance, the clean and handling goods in the places such as factory or outdoor work.Existing lifting table can be divided into fixed type lifting platform and mobile hoistable platform by move mode difference.According to the difference of lifting table structure, can be divided into scissor-type lifting platform, reduction formula lifting table, sleeve-type lifting table etc.Gantry type lifting table is a kind of reduction formula lifting table, this lifting table belongs to vertical lift job platform, less than scissor-type lifting platform floor area in the situation of equal adjustable height, during than aluminum alloy masts type lifting table load carrying ability Datong District, floor area is also little.But traditional gantry type lifting table is often difficult to reach adjustable height and the nominal payload of expection, can not meet the needs of practical application.
Utility model content
For above the deficiencies in the prior art, the purpose of this utility model is to provide a kind of gantry type lifting table, can in limited space, reach adjustable height and the nominal payload of expection, and all technical reaches customer requirement.
The purpose of this utility model is achieved by the following technical solution: this gantry type lifting table is partly comprised of safety barrier, operation table top, case, door frame lift structure, chassis, hydraulic efficiency pressure system, electric control system, protection and security system etc.Lifting mechanism adopts forklift door frame lifting mechanism, and adopts split type installation, by three grades of door frames, drives liftings, and jacking system can infinite speed variation, and oil cylinder synchronously coordinates, and meets steady shock-free lifting requirement under case of heavy load.Hydraulic efficiency pressure system, is comprised of Hydraulic Pump, solenoid directional control valve, fluid-control one-way governor valve, flow divider-combiner, pilot overflow valve, high pressure fuel pipe etc. to system fuel feeding combined power unit; Hydraulic efficiency pressure system is also provided with by pass valve system pressure is controlled to protection, is provided with hydraulic lock and makes respectively to carry out after oil cylinder puts in place and protect self-locking, and suction, oil return double filtration are set, and guarantees hydraulic efficiency pressure system cleanliness level.
As optimal technical scheme of the present utility model, electric control system is provided with safety guard-safeguard interlock system and short circuit, opens circuit and earth leakage protective device, fender guard when power failure or hang-up, the safety methods such as ground connection, phase sequence, short circuit, short phase, under-voltage, overvoltage, overheated, spacing, overcurrent and overload are set, adopt insulation blocking between between current consumer and power supply; Oil pump electrical machinery mode of operation is provided with protection and controls, and is provided with the interlock protection that prevents that misoperation or equipment malfunction from doing in electric secondary control loop.
The beneficial effects of the utility model are: with respect to prior art, the utility model gantry type lifting table can reach higher adjustable height and larger nominal payload in limited space.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is two of structural representation of the present utility model.
In figure: case 1, guardrail 2, balladeur train 3, operation table top 4, free lifting hydraulic cylinder 5, inner upright mounting 6, lifting hydraulic cylinder 7, elevating chain 8, middle door frame 9, antifriction-bearing box 10, outer mast 11, chassis 12.
The specific embodiment
As depicted in figs. 1 and 2, this lifting table is mainly partly comprised of safety barrier 2, operation table top 4, case 1, door frame lift structure, chassis 12, hydraulic efficiency pressure system, electric control system, protection and security system etc.Below operation table top 4, be provided with balladeur train 3, operation table top 4 is connected with inner upright mounting 6, and free lifting hydraulic cylinder 5 is located between operation table top 4 and inner upright mounting 6.Inner upright mounting 6 is connected with outer mast 11 by middle door frame 9, and the bottom surface of outer mast 11 is provided with chassis 12.In the middle of described, door frame 9 is provided with lifting hydraulic cylinder 7 and elevating chain 8, between middle door frame 9 and outer mast 11, is provided with antifriction-bearing box 10.
1, safety barrier
Safety barrier adopts 30 * 30mm square steel tube to be welded, and platform is provided with safety guard net, with preventing tool or foreign material, drops and injures other equipment by a crashing object.Guardrail bottom is provided with the high anti-kickplate of 100mm.Platform is provided with control box, convenient operation personnel control.
2, job platform
Main table top adopts main frame to adopt 10# standard channel-section steel, and intensity is large, and good rigidity can not produce distortion, and deck plate adopts the thick diamond plate of 5mm, safe anti-slipping.Extend table top and adopt 5# standard cell to be welded, freely, PVC safe protection chain is safe and reliable in built-in roller push-and-pull.
3, lifting mechanism
Lifting mechanism adopts forklift door frame lifting mechanism, because platform is larger, adopts split type installation, convenient maintenance.Door frame material is 16# standard forklift door frame channel-section steel, by three grades of door frames, drives liftings, and jacking system can infinite speed variation, and oil cylinder synchronously coordinates, and realizes steady shock-free elevating function under case of heavy load.
4, fixed underpan
Adopt rational fixed form, and be welded into an integral body with outer mast, while guaranteeing operation, platform is fixing firm, safe and reliable.
5, hydraulic efficiency pressure system
Native system is by combined power unit to system fuel feeding, and hydraulic efficiency pressure system is comprised of Hydraulic Pump, solenoid directional control valve, fluid-control one-way governor valve, flow divider-combiner, pilot overflow valve, high pressure fuel pipe etc., controls the various hydraulic operations of whole device.
Hydraulic efficiency pressure system safety precautions: be provided with by pass valve system pressure is controlled to protection; Being provided with hydraulic lock makes respectively to carry out after oil cylinder puts in place and protects self-locking; Suction, oil return two-filtration devices are set, guarantee hydraulic efficiency pressure system cleanliness level.
6, electric control system
Electric components adopts GB product.The safety and Protection of equipment is according to GB/T15706, GB16754, and the relevant machinery of the countries such as GB16855.1 and electrical safety design standard design.This equipment is provided with safety guard-safeguard interlock system and short circuit, opens circuit and earth leakage protective device, fender guard when power failure or hang-up.
The control desk degree of protection of whole system is not less than IP54, and the degree of protection of detecting element and sensor is not less than IP64.The fender guards such as ground connection, phase sequence, short circuit, short phase, under-voltage, overvoltage, overheated, spacing, overcurrent and overload are set, adopt insulation blocking between between current consumer and power supply.
Oil pump electrical machinery mode of operation is provided with protection and controls, and can quit work immediately appears when abnormal in motor.In electric secondary control loop, be provided with interlock protection, can prevent misoperation or equipment malfunction work.
7, protection and security system
Region of interest spraying safety color and the safety mark of equipment; At above the fold, label is set, indicates Maximum Loading Capacity and Manual descending valve position; Cut yoke surrounding elevator Special protecting hood is installed, can be effectively heat-resisting, oil resistant, resistance to refrigerant fluid, dustproof, place people or other objects and enter in lifting table lifting mechanism; The functions such as device possesses locking action and platform movement is chain, and hydraulic lifting and platform movement are chain, and extension contraposition and platform movement are chain; After encountering object when platform is provided with the decline of the safe touch article assurance of emergent stopping platform while declining, stop.
8, surface paint
First steel carry out antirust pretreatment, then adopt industrial high standard to paint, and the paint life-span is not less than 10 years.Paint coating thickness is not less than 80um.Hardware outside face will be primed, intermediate coat and finish paint, the white paint polishing of the whole workplatform of equipment finish paint color, top guardrail brush yellow paint.
This equipment is specifically designed to the vertical lift in small space, the aloft work of maintenance use, and equipment keystone configuration is three door frame lift structure and the platforms that electric hydaulic drives, its various functions, safety measure all meet the aloft work needs of high request.The main technical details that this equipment can reach is as follows:
Claims (3)
1. a gantry type lifting table, comprise safety barrier, operation table top, case, door frame lift structure, chassis, hydraulic efficiency pressure system, electric control system, protection and security system, it is characterized in that: described door frame lift structure adopts the forklift door frame formula lifting mechanism of infinite speed variation, this mechanism consists of three grades of door frames, adopts split type mounting structure; Described hydraulic efficiency pressure system to system fuel feeding, comprises the Hydraulic Pump, solenoid directional control valve, fluid-control one-way governor valve, flow divider-combiner, pilot overflow valve, the high pressure fuel pipe that are interconnected by combined power unit.
2. gantry type lifting table according to claim 1; it is characterized in that: described hydraulic efficiency pressure system is provided with the by pass valve that system pressure is carried out to control and protection; be provided with and make respectively to carry out the hydraulic lock of protecting self-locking after oil cylinder puts in place, be provided with suction, the oil return two-filtration devices of guaranteeing hydraulic efficiency pressure system cleanliness level.
3. gantry type lifting table according to claim 1 and 2; it is characterized in that: described electric control system is provided with safety guard-safeguard interlock system and short circuit, opens circuit and earth leakage protective device; be provided with and have a power failure or fender guard during hang-up, be provided with ground connection, phase sequence, short circuit, short phase, under-voltage, overvoltage, overheated, spacing, overcurrent and overload protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590584.3U CN203498016U (en) | 2013-09-22 | 2013-09-22 | Portal frame type elevating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320590584.3U CN203498016U (en) | 2013-09-22 | 2013-09-22 | Portal frame type elevating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203498016U true CN203498016U (en) | 2014-03-26 |
Family
ID=50329014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320590584.3U Expired - Fee Related CN203498016U (en) | 2013-09-22 | 2013-09-22 | Portal frame type elevating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203498016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215826A (en) * | 2017-07-07 | 2017-09-29 | 瓦房店冶金轴承集团有限公司 | Portable double lifting assembled hydraulic lifts |
| CN109368182A (en) * | 2018-10-09 | 2019-02-22 | 黄茂连 | A kind of cargo transparting device and its method for carrying |
| CN111728819A (en) * | 2020-07-10 | 2020-10-02 | 上海电气集团股份有限公司 | Multi-stage protection device and method for upper limb rehabilitation robot |
-
2013
- 2013-09-22 CN CN201320590584.3U patent/CN203498016U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215826A (en) * | 2017-07-07 | 2017-09-29 | 瓦房店冶金轴承集团有限公司 | Portable double lifting assembled hydraulic lifts |
| CN109368182A (en) * | 2018-10-09 | 2019-02-22 | 黄茂连 | A kind of cargo transparting device and its method for carrying |
| CN109368182B (en) * | 2018-10-09 | 2021-08-10 | 黄茂连 | Cargo carrying device and carrying method thereof |
| CN111728819A (en) * | 2020-07-10 | 2020-10-02 | 上海电气集团股份有限公司 | Multi-stage protection device and method for upper limb rehabilitation robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |