CN217582652U - Staircase system and engineering machinery - Google Patents
Staircase system and engineering machinery Download PDFInfo
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- CN217582652U CN217582652U CN202220895997.1U CN202220895997U CN217582652U CN 217582652 U CN217582652 U CN 217582652U CN 202220895997 U CN202220895997 U CN 202220895997U CN 217582652 U CN217582652 U CN 217582652U
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- escalator
- controller
- staircase
- control
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The utility model relates to a staircase, for solving the drive and the control problem of current large-scale engineering machine tool lift staircase, the utility model discloses construct a staircase system and engineering machine tool, wherein the staircase system includes upper end and platform articulated staircase and staircase drive control system, staircase drive control system includes that both ends are connected with hydro-cylinder, controller, solenoid and the controller that staircase and platform are connected respectively and are used for controlling the flexible control valve of hydro-cylinder, the electric pump assembly of being connected with the control valve assembly, the staircase control switch of being connected with the controller, be connected and by the pump power supply relay of its control switching with the controller, motor warp in the electric pump assembly pump power supply relay is connected with the battery. The utility model discloses well engineering machine tool's staircase system adopts hydraulic cylinder drive to go up and down, and the staircase drive control system of staircase is independent of engineering machine tool's hydraulic system, makes things convenient for operation control.
Description
Technical Field
The utility model relates to a staircase, more specifically say, relate to a staircase system and engineering machine tool.
Background
For large-scale engineering machinery, the platform at the top of the engineering machinery is higher than the ground, and the upper platform and the lower platform need to be assisted by escalators. The escalator is usually hinged at the upper end to the platform, and hydraulic rams are provided between the escalator and the platform, by which the escalator is raised or lowered, lowered when in use and raised when not in use.
When the escalator for climbing the platform is used, an engine of the engineering machinery is not started frequently, for example, when a machine is maintained, so that the lifting driving of the escalator cannot depend on the hydraulic system of the engine of the engineering machinery as power, and an independent hydraulic system is needed for driving a hydraulic oil cylinder to lift the escalator, so that how to drive and control the escalator system becomes a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the drive and the control problem of large-scale engineering machine tool lift staircase, and provide a staircase system and engineering machine tool, make its hydraulic system who is independent of engineering machine tool engine as power.
The utility model discloses a realize that the technical scheme of its purpose is like: the escalator system comprises an escalator and an escalator drive control system, wherein the upper end of the escalator is hinged to a platform, the escalator drive control system is characterized by comprising an oil cylinder, a controller, a control valve, an electric pump assembly, an escalator control switch and a pump power supply relay, the oil cylinder, the controller and the electromagnetic coil are connected with the controller, the control valve is used for controlling the oil cylinder to stretch out and draw back, the electric pump assembly is connected with the control valve assembly, the escalator control switch is connected with the controller, the pump power supply relay is connected with the controller and is controlled to be switched on and off by the controller, and a motor in the electric pump assembly is connected with a storage battery through the pump power supply relay. The utility model discloses in, through staircase control switch and controller control valve and pump power relay, through the motor in the pump power relay control electric pump assembly, realize the flexible of hydro-cylinder to realize the lift control of staircase.
In the escalator system, the electric pump assembly comprises an oil storage tank, a first hydraulic pump and a second hydraulic pump, wherein the oil suction port is connected with the oil storage tank and driven by the motor, the second hydraulic pump is driven by the manual rocker arm, and the first hydraulic pump and the second hydraulic pump are connected in parallel. When the electric state is abnormal, the driving power can be provided by the hand pump.
In the escalator system, a disconnecting switch is arranged on a connecting line between the pump power supply relay and the controller, and the pump power supply relay cannot be closed when the disconnecting switch is in an off state.
In the escalator system, the escalator system also comprises an audible and visual alarm which is connected with the controller and is controlled by the controller to perform audible and visual alarm in the escalator lifting process.
In the escalator system, the escalator system also comprises an upper travel switch which is connected with the controller and is triggered by the escalator, and in the ascending process of the escalator, if the escalator triggers the upper travel switch, the controller controls the control valve to change the direction and disconnects the pump power supply relay to stop the escalator from ascending. And in the descending process of the escalator, if the escalator triggers the lower travel switch, the controller controls the control valve to change the direction and disconnect the pump power supply relay to stop the escalator from descending.
In the escalator system, the control valve three-position four-way electromagnetic valve has a cut-off position as its middle position, and a left position and a right position are respectively an escalator rising position and an escalator falling position.
The utility model discloses a realize that the technical scheme of its purpose is like: a construction machine is constructed, which is characterized by having the aforementioned escalator system.
Compared with the prior art, the utility model discloses well engineering machine tool's staircase system adopts hydraulic cylinder drive to go up and down, and the staircase drive control system of staircase is independent of engineering machine tool's hydraulic system, makes things convenient for operation control.
Drawings
Fig. 1 is a schematic structural view of the engineering machine of the present invention when the escalator is in a lowered state.
Fig. 2 is a schematic structural view of the construction machine of the present invention when the escalator is in a retracted state.
Fig. 3 is a schematic view of a connection structure between an escalator and a platform in the escalator system of the present invention.
Fig. 4 is a schematic diagram of the escalator drive control system in the escalator system of the present invention.
Part names and serial numbers in the figure:
the escalator control system comprises a platform 10, an escalator 20, an oil cylinder 31, a control valve 32, a motor 33, a first hydraulic pump 34, a second hydraulic pump 35, an oil storage tank 36, a storage battery 37, an escalator control switch 38, a controller 39, a cut-off switch 40, a pump power supply relay 41, an audible and visual alarm 42, an upper travel switch 43 and a lower travel switch 44.
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
As shown in fig. 1 to 3, the engineering machine in this embodiment may be a large excavator, a rotary drilling rig, or the like, the platform is provided with an escalator 20, the upper end of the escalator 20 is hinged to the platform, an oil cylinder 31 is arranged between the escalator 20 and the platform 10, and the oil cylinder 31 stretches and contracts to push the escalator 20 to swing up and down, so as to put down and retract the escalator 20.
The escalator drive control system is shown in fig. 4, and includes an oil cylinder 31, a control valve 32, an electric pump assembly, a storage battery 37, an escalator control switch 38, a controller 39, a cut-off switch 40, a pump power supply relay 41, an audible and visual alarm 42, an upper travel switch 43, a lower travel switch 44, and the like.
The electric pump assembly includes an electric motor 33, a first hydraulic pump 34, a second hydraulic pump 35, and an oil reservoir 36. The first hydraulic pump 34 and the second hydraulic pump 35 are connected in parallel, and an oil suction port thereof is connected to the oil tank, and the first hydraulic pump is connected to the electric motor and driven by the electric motor. The second hydraulic pump is connected with the crank and is driven by the crank.
The control valve 32 is a three-position four-way solenoid valve, and the oil cylinder is connected with a hydraulic pump in the electric pump assembly through the control valve 32. The electromagnetic coil is connected with a controller, and the controller controls the working position of the controller. When the control valve is in the left position, hydraulic oil from the electric pump assembly flows to the large cavity of the oil cylinder through the left position of the control valve, and the oil cylinder extends to realize that the escalator rises upwards. When the control valve is in the right position, hydraulic oil from the electric pump assembly flows to the small cavity of the oil cylinder through the right position of the control valve, and the oil cylinder extends to realize downward descending of the escalator. The middle position of the control valve is a stop position.
The motor 33 is connected to the battery through the pump power supply relay 41, and when the pump power supply relay 41 is closed, the motor rotates, and when the pump power supply relay 41 is opened, the motor stops. The solenoid of the pump power supply relay 41 is connected to the controller via the cut-off switch 40, and the opening and closing are controlled by the controller.
The up-stroke switch 43 and the down-stroke switch 44 are connected to the controller 39.
The upper travel switch 43 is a normally open state travel switch and is responsible for detecting whether the escalator completely rises in place, when the escalator completely rises in place, the upper travel switch is changed from the normally open state to the closed state, and after the controller receives a closed state signal, the controller controls the control valve to return to the middle position to cut off the pressure oil.
The lower travel switch 44 is a normally open travel switch and is responsible for detecting whether the escalator completely descends to the place, when the escalator completely descends to the place, the lower travel switch is changed from the normally open state to the closed state, and after the controller receives a closed state signal, the controller controls the control valve to return to the neutral position to cut off the pressure oil.
The audible and visual alarm 42 is responsible for audible and visual alarm in the ascending and descending processes of the escalator, so that the ascending and descending safety of the escalator is ensured, and accidents are avoided.
The escalator control switch 38 is connected to the controller for operating the escalator. The escalator control switch is a resettable three-position switch, the middle position is a stop position, and the ascending and descending of the escalator respectively correspond to the ascending position and the descending position of the escalator control switch. The signals of the ascending bit and the descending bit are connected with a controller.
The oil cylinder is a buffering two-way action executing mechanism and is responsible for ascending and descending of the escalator, and meanwhile, the buffering function of the oil cylinder can effectively reduce the impact of complete ascending or descending of the escalator, so that the component is protected.
When the escalator control switch is in an ascending position or a descending position, the electric pump assembly can be electrified to work, and the energy conservation and the operation safety of the system are ensured.
Only when the escalator completely rises to a position, the controller detects that the upper travel switch is in a closed state, the rotation (if any) and walking functions of the engineering machinery can be effective, otherwise, the engineering machinery prohibits the rotation and walking, and the operation safety of the engineering machinery is ensured.
Claims (8)
1. The escalator system comprises an escalator and an escalator drive control system, wherein the upper end of the escalator is hinged to a platform, the escalator drive control system is characterized by comprising an oil cylinder, a controller, an electromagnetic coil, a control valve, an electric pump assembly, an escalator control switch and a pump power supply relay, the two ends of the oil cylinder are connected with the escalator and the platform respectively, the control valve is used for controlling the oil cylinder to stretch, the electric pump assembly is connected with the control valve assembly, the escalator control switch is connected with the controller, the pump power supply relay is connected with the controller and is controlled to be switched on and off by the controller, and a motor in the electric pump assembly is connected with a storage battery through the pump power supply relay.
2. The escalator system according to claim 1, wherein said electric pump assembly comprises a tank, a first hydraulic pump having an oil suction port connected to the tank and driven by an electric motor, and a second hydraulic pump driven by a manual swing arm, said first and second hydraulic pumps being connected in parallel with each other.
3. The escalator system according to claim 1, wherein a cut-off switch is provided on a connection line between said pump power supply relay and said controller.
4. The escalator system according to claim 1, further comprising an audible and visual alarm connected to and controlled by the controller to provide an audible and visual alarm during escalator travel.
5. The escalator system of claim 1, further comprising an escalator-triggered up-travel switch connected to the controller.
6. The escalator system of claim 1, further comprising an escalator-triggered lower travel switch connected to the controller.
7. The escalator system according to claim 1, wherein said control valve is a three-position, four-way solenoid valve.
8. A working machine, characterized by an escalator system according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895997.1U CN217582652U (en) | 2022-04-19 | 2022-04-19 | Staircase system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220895997.1U CN217582652U (en) | 2022-04-19 | 2022-04-19 | Staircase system and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582652U true CN217582652U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220895997.1U Active CN217582652U (en) | 2022-04-19 | 2022-04-19 | Staircase system and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582652U (en) |
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2022
- 2022-04-19 CN CN202220895997.1U patent/CN217582652U/en active Active
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