CN203740959U - Lifting platform - Google Patents
Lifting platform Download PDFInfo
- Publication number
- CN203740959U CN203740959U CN201420106366.2U CN201420106366U CN203740959U CN 203740959 U CN203740959 U CN 203740959U CN 201420106366 U CN201420106366 U CN 201420106366U CN 203740959 U CN203740959 U CN 203740959U
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- hydraulic
- auxiliary
- platform
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- control valve
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Abstract
The utility model discloses a lifting platform. A main platform is mounted on a pedestal through a first lifting device; an auxiliary platform is mounted at one end of the main platform through a second lifting device; a hydraulic control device comprises a hydraulic station, a main hydraulic cylinder mounted on the pedestal and used for driving the first lifting device to ascend or descend, and an auxiliary hydraulic cylinder mounted on the main platform and used for driving the second lifting device to ascend or descend; the main hydraulic cylinder is connected with a hydraulic station through a main hydraulic reversing valve; the auxiliary hydraulic cylinder is connected with the hydraulic station through an auxiliary hydraulic reversing valve; a main hydraulic cylinder control loop is provided with a main oil pressure sensor connected with the main hydraulic reversing valve and the auxiliary hydraulic reversing valve, and an auxiliary hydraulic cylinder control loop is provided with an auxiliary oil pressure sensor connected with the main hydraulic reversing valve and the auxiliary hydraulic reversing valve. According to the lifting platform, the auxiliary platform is mounted on the main platform; the lifting platform is automatically controlled through a hydraulic system, and the lifting platform can be regulated according to different mechanisms, is convenient to assemble, enables the workload and assembly cost to be lowered, and enables the assembly efficiency to be improved.
Description
Technical field
The utility model relates to mechanical assistance processing unit (plant) technical field, particularly a kind of lifting table.
Background technology
With the construction machinery and equipment of clump weight, such as excavating machine, in fitting process, excavating machine need to be risen, make crawler belt depart from ground, then dry running crawler belt, to complete assembling.
In prior art, conventionally with lifting table, excavating machine to be assembled is risen, existing lifting table generally comprises base, platform and be arranged on base and platform between jacking system, the lifting table of this structure can meet basic use, but in this course, because a side of excavating machine now has been installed clump weight, but swing arm is not also installed, excavating machine is in rising disengaging ground, may topple over to clump weight direction, in order to address this problem, need a side jack-up of manually by backing plate, excavating machine being equipped with to clump weight, this has just increased workman's work capacity, reduce efficiency of assembling, and the excavating machine of different sizes, the height of its clump weight and center of turntable is different, this has just further increased workman's work capacity and assembly cost.
Therefore, how to provide a kind of lifting table, while making its assembling at the construction machinery and equipment for clump weight, can ensure its balance, be convenient to the carrying out of assembling, reduce work capacity and assembly cost, promote efficiency of assembling, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of lifting table, to reach while making its assembling at the construction machinery and equipment for clump weight, can ensure its balance, is convenient to the carrying out of assembling, reduces work capacity and assembly cost, promotes the object of efficiency of assembling.
For achieving the above object, the utility model provides following technical scheme:
A kind of lifting table, comprising:
Base;
Main platform, is arranged on described base by the first jacking system;
Auxiliary platform, is arranged on one end of described main platform by the second jacking system;
Hydraulic control device, comprise Hydraulic Station, for drive described first jacking system rise or decline main hydraulic cylinder and for drive described second jacking system rise or decline auxiliary hydraulic actuating cylinder; Described main hydraulic cylinder is arranged on described base, is connected with described Hydraulic Station by main hydraulic directional control valve; Described auxiliary hydraulic actuating cylinder is arranged on described main platform, is connected with described Hydraulic Station by auxiliary hydraulic directional control valve; On the control loop of described main hydraulic cylinder, be provided with the main oil pressure sensor being all connected with described main hydraulic directional control valve and described auxiliary hydraulic directional control valve, on the control loop of described auxiliary hydraulic actuating cylinder, be provided with the auxiliary oil pressure sensor being all connected with described main hydraulic directional control valve and described auxiliary hydraulic directional control valve.
Preferably, described the first jacking system comprises that pair of parellel is arranged on the scissor-type structure between described base and described main platform, described scissor-type structure comprises that middle part is rotatably connected to inner support frame and outer support frame together, one end of described outer support frame is arranged on described base rotationally, the other end is slidably disposed in the chute on described main platform, one end of described inner support frame is arranged on described main platform rotationally, and the other end is slidably disposed in the chute on described base.
Preferably, described main hydraulic cylinder is provided with two, is arranged on side by side on described base, and the piston rod of two described main hydraulic cylinders is rotatably connected to respectively two described inner support frames one end near the chute of described base.
Preferably, described the second jacking system comprises the orienting sleeve being arranged on described main platform and coordinates with described orienting sleeve and be connected to the axis of guide on described auxiliary platform, described orienting sleeve and the described axis of guide are vertical with described main platform place plane, and the piston rod of described auxiliary hydraulic actuating cylinder is parallel with the described axis of guide and be connected on described auxiliary platform.
Preferably, the bottom of described main platform and the bottom of described auxiliary platform are provided with the approach switch that the motor for controlling described Hydraulic Station stops.
Preferably, between described approach switch and the motor of described Hydraulic Station, be in series with time delay halt circuit.
Preferably, described main platform is provided with cover plate around.
Can find out from technique scheme, the lifting table that the utility model provides, comprises base, main platform, auxiliary platform and hydraulic control device, and wherein, main platform is arranged on base by the first jacking system; Auxiliary platform is arranged on one end of main platform by the second jacking system; Hydraulic control device comprise Hydraulic Station, for drive first jacking system rise or decline main hydraulic cylinder and for drive second jacking system rise or decline auxiliary hydraulic actuating cylinder; Main hydraulic cylinder is arranged on base, is connected with Hydraulic Station by main hydraulic directional control valve; Auxiliary hydraulic actuating cylinder is arranged on main platform, is connected with Hydraulic Station by auxiliary hydraulic directional control valve; On the control loop of main hydraulic cylinder, be provided with the main oil pressure sensor being all connected with main hydraulic directional control valve and auxiliary hydraulic directional control valve, on the control loop of auxiliary hydraulic actuating cylinder, be provided with the auxiliary oil pressure sensor being all connected with main hydraulic directional control valve and auxiliary hydraulic directional control valve.
When use, lifting table in initial position main platform near ground, start the motor of Hydraulic Station, main hydraulic directional control valve obtains electric, main hydraulic cylinder promotes the first jacking system, main platform rises, until be about to hold up machinery to be assembled, main hydraulic cylinder internal pressure raises rapidly, at this moment, main oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make main hydraulic directional control valve dead electricity, auxiliary hydraulic directional control valve obtains electric, auxiliary platform rises, until picking-up clump weight, auxiliary hydraulic actuating cylinder internal pressure raises rapidly, auxiliary oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make auxiliary hydraulic directional control valve dead electricity, main hydraulic directional control valve obtains electric, main platform continues to rise, complete the action of rising,
Assembling completes, when decline, and hydraulic motor reversion, main hydraulic directional control valve obtains electric, main platform declines, until leave machinery, main hydraulic cylinder internal pressure declines rapidly, main oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make main hydraulic directional control valve dead electricity, auxiliary hydraulic directional control valve obtains electric, and auxiliary platform declines, main hydraulic directional control valve and the equal dead electricity of auxiliary hydraulic directional control valve after putting in place, decline and finish.The lifting table of this structure has increased auxiliary platform on main platform, adopt hydraulic control device automatically to control, can adjust according to the machinery of different sizes, be convenient to the carrying out of assembling, the work capacity and the assembly cost that greatly reduce workman, promoted efficiency of assembling.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The front view of the lifting table that Fig. 1 provides for the utility model embodiment in the time of initial position;
The front view when raised position of the lifting table that Fig. 2 provides for the utility model embodiment;
Fig. 3 is A-A view in Fig. 1;
Fig. 4 is B-B view in Fig. 1.
Detailed description of the invention
The utility model provides a kind of lifting table, to reach while making its assembling at the construction machinery and equipment for clump weight, can ensure its balance, is convenient to the carrying out of assembling, reduces work capacity and assembly cost, promotes the object of efficiency of assembling.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the front view of the lifting table that Fig. 1 provides for the utility model embodiment in the time of initial position; The front view when raised position of the lifting table that Fig. 2 provides for the utility model embodiment; Fig. 3 is A-A view in Fig. 1.
A kind of lifting table that the utility model provides, comprises base 8, main platform 1, auxiliary platform 2 and hydraulic control device.
Wherein, base 8 is for supporting and the parts that are installed on it; Main platform 1 is arranged on base 8 by the first jacking system; Auxiliary platform 2 is arranged on one end of main platform 1 by the second jacking system; Hydraulic control device comprise Hydraulic Station, for drive first jacking system rise or decline main hydraulic cylinder 5 and for drive second jacking system rise or decline auxiliary hydraulic actuating cylinder 3; Main hydraulic cylinder 5 is arranged on base 8, is connected with Hydraulic Station by main hydraulic directional control valve; Auxiliary hydraulic actuating cylinder 3 is arranged on main platform 1, is connected with Hydraulic Station by auxiliary hydraulic directional control valve; On the control loop of main hydraulic cylinder 5, be provided with the main oil pressure sensor being all connected with main hydraulic directional control valve and auxiliary hydraulic directional control valve, on the control loop of auxiliary hydraulic actuating cylinder 3, be provided with the auxiliary oil pressure sensor being all connected with main hydraulic directional control valve and auxiliary hydraulic directional control valve.
Compared with prior art, the lifting table that the utility model provides, when use, lifting table in initial position main platform 1 near ground, start the motor of Hydraulic Station, main hydraulic directional control valve obtains electric, main hydraulic cylinder 5 promotes the first jacking system, main platform 1 rises, until be about to hold up machinery to be assembled, main hydraulic cylinder 5 internal pressures raise rapidly, at this moment, main oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make main hydraulic directional control valve dead electricity, auxiliary hydraulic directional control valve obtains electric, auxiliary platform 2 rises, until picking-up clump weight, auxiliary hydraulic actuating cylinder 3 internal pressures raise rapidly, auxiliary oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make auxiliary hydraulic directional control valve dead electricity, main hydraulic directional control valve obtains electric, main platform 1 continues to rise, complete the action of rising,
Assembling completes, when decline, and hydraulic motor reversion, main hydraulic directional control valve obtains electric, main platform 1 declines, until leave machinery, main hydraulic cylinder 5 internal pressures decline rapidly, main oil pressure sensor sends a signal to main hydraulic directional control valve and auxiliary hydraulic directional control valve, make main hydraulic directional control valve dead electricity, auxiliary hydraulic directional control valve obtains electric, and auxiliary platform 2 declines, main hydraulic directional control valve and the equal dead electricity of auxiliary hydraulic directional control valve after putting in place, decline and finish.The lifting table of this structure has increased auxiliary platform 2 on main platform 1, adopt hydraulic control device automatically to control, can adjust according to the machinery of different sizes, be convenient to the carrying out of assembling, the work capacity and the assembly cost that greatly reduce workman, promoted efficiency of assembling.
The first jacking system can adopt various structures to realize, in the utility model embodiment, the first jacking system comprises that pair of parellel is arranged on the scissor-type structure between base 8 and main platform 1, scissor-type structure comprises that middle part is rotatably connected to inner support frame 6 and outer support frame 7 together, one end of outer support frame 7 is arranged on base 8 rotationally, the other end is slidably disposed in the chute on main platform 1, one end of inner support frame 6 is arranged on main platform 1 rotationally, and the other end is slidably disposed in the chute on base 8.Further, in order to make in use stress balance of lifting table, keep stable, in the utility model embodiment, main hydraulic cylinder 5 is provided with two, be arranged on side by side on base 8, the piston rod of two main hydraulic cylinders 5 is rotatably connected to respectively two inner support frames 6 one end near the chute of base 8.
The second jacking system can adopt various structures, in the utility model embodiment, refer to Fig. 4, Fig. 4 is B-B view in Fig. 1, the second jacking system comprises the orienting sleeve 9 being arranged on main platform 1 and coordinates with orienting sleeve 9 and be connected to the axis of guide 10 on auxiliary platform 2, orienting sleeve 9 and the axis of guide 10 are vertical with main platform 1 place plane, and the piston rod of auxiliary hydraulic actuating cylinder 3 is parallel with the axis of guide 10 and be connected on auxiliary platform 2.
After lifting table decline is put in place, can shut down in time, avoid machine impaired, in the utility model embodiment, the bottom of the bottom of main platform 1 and auxiliary platform 2 is provided with the approach switch that the motor for controlling Hydraulic Station stops.When main platform 1 or auxiliary platform 2 declines while putting in place, approach switch has detected object proximity, and approach switch action subsequently disconnects the loop of described hydraulic motor, and motor is stopped, and has further strengthened the degree of automation of lifting table.
Further; in order to protect hydraulic motor; in the utility model embodiment; between approach switch and the motor of Hydraulic Station, be in series with time delay halt circuit; after making motor postpone a period of time, shutting down; can avoid like this motor suddenly to stop the infringement causing, in the utility model embodiment, motor delay 10-15 shut down after second.
In the utility model embodiment, main platform 1 is also provided with cover plate 4 around.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a lifting table, is characterized in that, comprising:
Base (8);
Main platform (1), is arranged on described base (8) by the first jacking system;
Auxiliary platform (2), is arranged on one end of described main platform (1) by the second jacking system;
Hydraulic control device, comprise Hydraulic Station, for drive described first jacking system rise or decline main hydraulic cylinder (5) and for drive described second jacking system rise or decline auxiliary hydraulic actuating cylinder (3); It is upper that described main hydraulic cylinder (5) is arranged on described base (8), is connected with described Hydraulic Station by main hydraulic directional control valve; It is upper that described auxiliary hydraulic actuating cylinder (3) is arranged on described main platform (1), is connected with described Hydraulic Station by auxiliary hydraulic directional control valve; On the control loop of described main hydraulic cylinder (5), be provided with the main oil pressure sensor being all connected with described main hydraulic directional control valve and described auxiliary hydraulic directional control valve, on the control loop of described auxiliary hydraulic actuating cylinder (3), be provided with the auxiliary oil pressure sensor being all connected with described main hydraulic directional control valve and described auxiliary hydraulic directional control valve.
2. lifting table according to claim 1, it is characterized in that, described the first jacking system comprises that pair of parellel is arranged on the scissor-type structure between described base (8) and described main platform (1), described scissor-type structure comprises that middle part is rotatably connected to inner support frame (6) and outer support frame (7) together, one end of described outer support frame (7) is arranged on described base (8) rotationally, the other end is slidably disposed in the chute on described main platform (1), one end of described inner support frame (6) is arranged on described main platform (1) rotationally, the other end is slidably disposed in the chute on described base (8).
3. lifting table according to claim 2, it is characterized in that, described main hydraulic cylinder (5) is provided with two, be arranged on side by side described base (8) upper, the piston rod of two described main hydraulic cylinders (5) is rotatably connected to respectively two described inner support frames (6) one end near the chute of described base (8).
4. lifting table according to claim 1, it is characterized in that, described the second jacking system comprises the orienting sleeve (9) being arranged on described main platform (1) and coordinates with described orienting sleeve (9) and be connected to the axis of guide (10) on described auxiliary platform (2), described orienting sleeve (9) and the described axis of guide (10) are vertical with described main platform (1) place plane, and the piston rod of described auxiliary hydraulic actuating cylinder (3) is parallel with the described axis of guide (10) and be connected on described auxiliary platform (2).
5. lifting table according to claim 1, is characterized in that, the bottom of the bottom of described main platform (1) and described auxiliary platform (2) is provided with the approach switch that the motor for controlling described Hydraulic Station stops.
6. lifting table according to claim 5, is characterized in that, between described approach switch and the motor of described Hydraulic Station, is in series with time delay halt circuit.
7. lifting table according to claim 1, is characterized in that, described main platform (1) is provided with cover plate (4) around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106366.2U CN203740959U (en) | 2014-03-10 | 2014-03-10 | Lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106366.2U CN203740959U (en) | 2014-03-10 | 2014-03-10 | Lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740959U true CN203740959U (en) | 2014-07-30 |
Family
ID=51340787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420106366.2U Expired - Fee Related CN203740959U (en) | 2014-03-10 | 2014-03-10 | Lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203740959U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944318A (en) * | 2015-05-12 | 2015-09-30 | 中国民航大学 | Shears-fork type lifting mechanism |
| CN105129666A (en) * | 2015-09-25 | 2015-12-09 | 苏州市优诺特升降机械有限公司 | Bottom-rotating lift |
| CN105217318A (en) * | 2015-11-13 | 2016-01-06 | 南京林业大学 | Machine stacked by a kind of plate of exempting to bend over |
| CN107934860A (en) * | 2017-11-09 | 2018-04-20 | 苏州铭冠软件科技有限公司 | A kind of reinforced scissor-type high platform |
| CN108678476A (en) * | 2018-07-20 | 2018-10-19 | 广州光强障碍灯航空设备有限公司 | A kind of variable gradient helideck |
| CN113845059A (en) * | 2021-10-13 | 2021-12-28 | 东营天润石化科技有限公司 | Hydraulic oil lifting device control system |
| CN114620639A (en) * | 2022-04-02 | 2022-06-14 | 河南中烟工业有限责任公司 | Electric control gas-liquid driving type feeding table |
-
2014
- 2014-03-10 CN CN201420106366.2U patent/CN203740959U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944318A (en) * | 2015-05-12 | 2015-09-30 | 中国民航大学 | Shears-fork type lifting mechanism |
| CN105129666A (en) * | 2015-09-25 | 2015-12-09 | 苏州市优诺特升降机械有限公司 | Bottom-rotating lift |
| CN105217318A (en) * | 2015-11-13 | 2016-01-06 | 南京林业大学 | Machine stacked by a kind of plate of exempting to bend over |
| CN107934860A (en) * | 2017-11-09 | 2018-04-20 | 苏州铭冠软件科技有限公司 | A kind of reinforced scissor-type high platform |
| CN108678476A (en) * | 2018-07-20 | 2018-10-19 | 广州光强障碍灯航空设备有限公司 | A kind of variable gradient helideck |
| CN113845059A (en) * | 2021-10-13 | 2021-12-28 | 东营天润石化科技有限公司 | Hydraulic oil lifting device control system |
| CN114620639A (en) * | 2022-04-02 | 2022-06-14 | 河南中烟工业有限责任公司 | Electric control gas-liquid driving type feeding table |
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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: 20140730 Termination date: 20150310 |
|
| EXPY | Termination of patent right or utility model |