CN202967927U - Double-power crane - Google Patents
Double-power crane Download PDFInfo
- Publication number
- CN202967927U CN202967927U CN 201220609520 CN201220609520U CN202967927U CN 202967927 U CN202967927 U CN 202967927U CN 201220609520 CN201220609520 CN 201220609520 CN 201220609520 U CN201220609520 U CN 201220609520U CN 202967927 U CN202967927 U CN 202967927U
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- oil pump
- pump unit
- auxiliary
- main
- motor
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Abstract
The utility model discloses a double-power crane comprising a base and a turntable arranged on the base; the turntable is provided with a suspension arm and a platform; the platform is provided with an A-shaped frame, a lifting mechanism, a revolving mechanism, an electronic control system, a hydraulic system and a power device for supplying hydraulic oil to the hydraulic system; and the power device comprises a main oil pump unit and an auxiliary oil pump unit which are both connected with a hydraulic oil tank of the hydraulic system. The double-power crane is simple in structure and easy to realize; and the power device comprises the main oil pump unit and the auxiliary oil pump unit, the two independent pump units can be used simultaneously or alternately, and a main motor and an auxiliary motor can be sequentially started, so that the starting currents of the motors can be effectively reduced, and the requirement of the crane to the load of a power supply grid is correspondingly reduced.
Description
Technical field
The utility model relates to a kind of hoisting crane, relates in particular to a kind of double dynamical hoisting crane.
Background technology
Hoisting crane belongs to a kind of of elevator machinery, be a kind ofly circulate, the machinery of intermittent moment.Hoisting crane mainly comprises lifting mechanism, operating unit, swing type mechanism, swing type mechanism and metal construction etc.Existing hoisting crane adopts single motor single oil pump engine installation to provide hydraulic oil for hydraulic efficiency pressure system, and its power is single, in case motor or oil pump damage, hoisting crane will can't be worked because running out of steam, and impact is used.
The utility model content
The purpose of this utility model is for the problems referred to above, and a kind of double dynamical hoisting crane is provided, and when being used to hydraulic efficiency pressure system to provide the engine installation of hydraulic oil to damage to solve existing hoisting crane, hoisting crane just can't use, the problem that impact is used.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of double dynamical hoisting crane, comprise base and be arranged on turntable on described base, arm and platform are installed on described turntable, A shape frame, lifting mechanism, swing type mechanism, electric-control system, hydraulic efficiency pressure system are installed on described platform and are used to hydraulic efficiency pressure system that the engine installation of hydraulic oil is provided, described engine installation comprises main oil pump unit and auxiliary oil pump unit, and described main oil pump unit, auxiliary oil pump unit all are connected with the hydraulic reservoir of hydraulic efficiency pressure system.
Further, described main oil pump unit comprises main base, main motor and main oil pump, and described main motor is arranged on main base, and it is connected with main oil pump by lead spindle.
Further, described auxiliary oil pump unit comprises sub-mount, auxiliary-motor and auxiliary oil pump, and described auxiliary-motor is arranged on sub-mount, and it is connected with auxiliary oil pump by the duplicate invoice axial organ.
Further, be provided with the first check valve on the connecting line between described main oil pump unit and hydraulic reservoir, be provided with the second check valve on the connecting line of described auxiliary oil pump unit and inflow pipeline.
The beneficial effects of the utility model are, described double dynamical crane structure is simple, be easy to realize, its engine installation comprises main oil pump unit and auxiliary oil pump unit, two independent engine installations both can use together, also can be standby each other, and the successively starting successively of main motor, auxiliary-motor, thereby can effectively reduce the starting current of motor, and reduce accordingly the load request of hoisting crane to power supply grid.
Description of drawings
Fig. 1 is the front view of a kind of double dynamical hoisting crane of the utility model;
Fig. 2 is the birds-eye view of a kind of double dynamical hoisting crane of the utility model;
Fig. 3 is the structural representation of the utility model main oil pump unit;
Fig. 4 is the structural representation of the utility model auxiliary oil pump unit.
In figure:
1, base; 2, turntable; 3, platform; 4, A shape frame; 5, hydraulic reservoir; 6, arm; 7, auxiliary oil pump unit; 8, swing type mechanism; 9, main oil pump unit; 10, main base; 11, main motor; 12, lead spindle; 13, main oil pump; 14, bumper; 15, sub-mount; 16, auxiliary-motor; 17, duplicate invoice axial organ; 18, auxiliary oil pump.
The specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
please refer to Fig. 1 to shown in Figure 4, in the present embodiment, a kind of double dynamical hoisting crane, comprise base 1 and be arranged on turntable 2 on described base 1, arm 6 and platform 3 are installed on described turntable 2, A shape frame 4 is installed on described platform 3, lifting mechanism, swing type mechanism 8, electric-control system, hydraulic efficiency pressure system and be used to hydraulic efficiency pressure system that the engine installation of hydraulic oil is provided, described engine installation comprises main oil pump unit 9 and auxiliary oil pump unit 7, described main oil pump unit 9, auxiliary oil pump unit 7 all is connected with the hydraulic reservoir 5 of hydraulic efficiency pressure system, and be provided with the first check valve on the connecting line between described main oil pump unit 9 and hydraulic reservoir 5, be provided with the second check valve on the connecting line of described auxiliary oil pump unit 7 and inflow pipeline, described main oil pump unit 9 comprises main base 10, main motor 11 and main oil pump 13, described main motor 11 is arranged on main base 10, and it is connected with main oil pump 13 by lead spindle 12, described auxiliary oil pump unit 7 comprises sub-mount 15, auxiliary-motor 16 and auxiliary oil pump 18, described auxiliary-motor 16 is arranged on sub-mount 15, and it is connected with auxiliary oil pump 18 by duplicate invoice axial organ 17.
Preferably, described main base, sub-mount lower end is provided with bumper 14, increases its damping effect.
Described double dynamical crane structure is simple, be easy to realize, its engine installation is double dynamical, two independent engine installations both can use together, also can be standby each other, and main motor 11, auxiliary-motor 16 can successively start successively, thereby can effectively reduce the starting current of motor, and have reduced accordingly the load request of hoisting crane to power supply grid.
Above embodiment has just set forth groundwork of the present utility model and characteristic; the utility model is not limited by above-described embodiment; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. double dynamical hoisting crane, comprise base and be arranged on turntable on described base, arm and platform are installed on described turntable, A shape frame, lifting mechanism, swing type mechanism, electric-control system, hydraulic efficiency pressure system are installed on described platform and are used to hydraulic efficiency pressure system that the engine installation of hydraulic oil is provided, it is characterized in that: described engine installation comprises main oil pump unit and auxiliary oil pump unit, and described main oil pump unit, auxiliary oil pump unit all are connected with the hydraulic reservoir of hydraulic efficiency pressure system.
2. a kind of double dynamical hoisting crane according to claim 1, it is characterized in that: described main oil pump unit comprises main base, main motor and main oil pump, described main motor is arranged on main base, and it is connected with main oil pump by lead spindle.
3. a kind of double dynamical hoisting crane according to claim 1, it is characterized in that: described auxiliary oil pump unit comprises sub-mount, auxiliary-motor and auxiliary oil pump, and described auxiliary-motor is arranged on sub-mount, and it is connected with auxiliary oil pump by the duplicate invoice axial organ.
4. a kind of double dynamical hoisting crane according to claim 1, it is characterized in that: be provided with the first check valve on the connecting line between described main oil pump unit and hydraulic reservoir, be provided with the second check valve on the connecting line of described auxiliary oil pump unit and inflow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609520 CN202967927U (en) | 2012-11-16 | 2012-11-16 | Double-power crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609520 CN202967927U (en) | 2012-11-16 | 2012-11-16 | Double-power crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202967927U true CN202967927U (en) | 2013-06-05 |
Family
ID=48509031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609520 Expired - Fee Related CN202967927U (en) | 2012-11-16 | 2012-11-16 | Double-power crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202967927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942121A (en) * | 2012-11-16 | 2013-02-27 | 无锡市华星船舶设备有限公司 | Double-power crane |
-
2012
- 2012-11-16 CN CN 201220609520 patent/CN202967927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942121A (en) * | 2012-11-16 | 2013-02-27 | 无锡市华星船舶设备有限公司 | Double-power crane |
| CN102942121B (en) * | 2012-11-16 | 2016-03-09 | 无锡市华星船舶设备有限公司 | A kind of Double-power crane |
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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: 20130605 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |