CN219585788U - Lifting type operation platform - Google Patents

Abstract

The utility model relates to the technical field of high-altitude operation equipment, in particular to a lifting type operation platform, which comprises a lifting device, a hydraulic driving device, an operation platform, a guard rail and a control unit, wherein the hydraulic driving device is used for driving the lifting device to ascend and descend; the tops of the four lifting rods are connected with the lower part of the operation platform and are distributed on the lower part of the operation platform to play a supporting role, and the lower parts of the four lifting rods are arranged on the supporting seat; the hydraulic driving device is connected with the lifting rod to play a driving role, and the control unit is arranged on the supporting seat. The utility model uses four lifting rods for lifting and supporting, is driven by a hydraulic driving device, has simple structure, uses fewer parts, is easy to find out the type of the replaced part when the equipment has problems, is fast to overhaul, and is suitable for being used in environments with shortage of personnel and resources.

Description

Lifting type operation platform

Technical Field

The utility model relates to the technical field of high-altitude operation equipment, in particular to a lifting type operation platform.

Background

The aerial work platform is a product for serving movable aerial work such as aerial work, equipment installation, inspection and maintenance and the like in various industries. The device is wide in field and various in variety, and can be classified into a scissor type aerial work platform, a vehicle-mounted aerial work platform, a crank arm aerial work platform, a self-propelled aerial work platform, an aluminum alloy aerial work platform, an explosion-proof aerial work platform, a trailer type aerial work platform, an electric aerial work platform, a self-walking straight arm aerial work platform, an off-road aerial work platform and an omni-directional self-walking aerial work platform. In the field practice of offshore platform operation, it is found that because of the shortage of offshore platform personnel and resources, the structure of the aerial work platform in the prior art is complex, if the aerial work platform in the prior art is used at sea, once part of parts are damaged and need to be overhauled, the replaced parts are not easy to find at sea, so that the aerial work platform cannot be used, and the aerial work is delayed.

Disclosure of Invention

The utility model provides a lifting type working platform, which aims to solve the technical problems that the prior working platform has a complex structure, is difficult to find a new part to replace when the working platform is used in environments with shortage of personnel and resources and the situation that the part needs to be overhauled and replaced is met, so that the working platform cannot be used and the working at high altitude is delayed.

In order to solve the technical problems, the utility model adopts the following technical scheme: the lifting type operation platform comprises a lifting device, a hydraulic driving device, an operation platform, a guard rail and a control unit, wherein the hydraulic driving device is used for driving the lifting device to ascend and descend; the tops of the four lifting rods are connected with the lower part of the operation platform and are uniformly distributed on the lower part of the operation platform to play a supporting role, and the lower parts of the four lifting rods are arranged on the supporting seat; the hydraulic driving device is connected with the lifting rod to play a driving role, and the control unit is arranged on the supporting seat.

In the technical scheme, the tops of the four lifting rods are uniformly arranged on the operation platform and connected with the operation platform so as to ensure the stability of the lifting process of the operation platform; when the lifting rod is used, the control unit is used for controlling the hydraulic driving device, and then the hydraulic driving device drives each lifting rod. According to the technical scheme, only four lifting rods are used for lifting and supporting, the hydraulic driving device is used for driving, the structure is simple, used parts are few, when equipment is in a problem, the type of the replaced part is easy to find, the overhaul is fast, the high-altitude operation cannot be delayed, and the hydraulic lifting device is suitable for being used in environments with shortage of personnel and resources.

Preferably, the lifting rod comprises a supporting rod, a hollow guide cylinder vertically arranged on the supporting seat and a sliding block, and the sliding block is arranged in the guide cylinder and is in sliding connection with the guide cylinder; the support rod is connected with the sliding block to realize lifting of the support rod, and the guide cylinder is communicated with the hydraulic driving device so that hydraulic oil can be introduced into the guide cylinder to drive the sliding block to lift. In the technical scheme, the hydraulic driving device can supply oil or drain oil into the guide cylinder; the sliding block rises in the oil supply process, so that the supporting rod is driven to move upwards, and the working platform rises; in the oil drainage process, the sliding block moves downwards, so that the supporting rod moves downwards, and the operation platform descends. Specifically, the lower extreme of bracing piece is connected with the top of slider, and the bracing piece collapsible is in the guide cylinder, and whole device only slider and guide cylinder contact and relative slip, and the bracing piece is not laminated mutually with the inner wall of guide cylinder, reduces the friction, guarantees the efficiency that the bracing piece goes up and down.

Preferably, the hydraulic driving device comprises a delivery pump, an oil tank, two one-way valves and two-position three-way electromagnetic valves, wherein the delivery pump is immersed in hydraulic oil in the oil tank; the oil outlet ends of the delivery pump are respectively communicated with the oil inlet ends of the two one-way valves, the oil outlet ends of the two one-way valves are respectively communicated with the oil inlet ends of the two-position three-way electromagnetic valves, and the oil outlet ends of the single two-position three-way electromagnetic valve are respectively communicated with the two guide cylinders; the conveying pump and the two-position three-way electromagnetic valve are respectively and electrically connected with the control unit. In this technical scheme, the delivery pump submergence is in the hydraulic oil of oil tank, but on the one hand carry hydraulic oil to make full use of space, on the other hand usable hydraulic oil is cooled down the delivery pump. The hydraulic oil in the two guide cylinders shares a two-position three-way electromagnetic valve, thereby meeting the power requirement without adding equipment and saving space and energy. The one-way valve prevents hydraulic oil from flowing back; the two-position three-way electromagnetic valve is used for controlling the supply and the discharge of hydraulic oil.

Preferably, the transfer pump is a gear pump. The gear pump transmits hydraulic power to the slide block. When working offshore, the pump replacement is relatively strong.

Preferably, a weight sensor is disposed on the working platform, and the weight sensor is electrically connected with the control unit. In the process of carrying out high-altitude operation, damaged equipment may need to be detached and placed on an operation platform, so that the weight on the operation platform is increased continuously, a weight sensor can transmit the detected weight value to a control unit, and when the weight reaches a preset value, the control unit can control a two-position three-way electromagnetic valve to enable the two-position three-way electromagnetic valve to be automatically changed into a descending mode, and potential safety hazards are avoided.

Preferably, the control unit comprises a display screen for displaying weight and a controller, and the display screen is electrically connected with the controller. The display screen visualizes the weight value, so that a worker can intuitively judge whether the weight is overweight or not.

Preferably, the control unit further comprises an alarm for alarming, and the alarm is electrically connected with the controller. When the value detected by the weight sensor is larger than a preset value, the alarm works and gives out warning sound: "please note that overweight-! ".

Preferably, the control unit further includes an up button, a down button, and an emergency button, and the up button, the down button, and the emergency button are electrically connected with the controller, respectively. The guardian presses the rising button and keeps the contact normally closed, the control unit sends out the gear and starts the pump procedure, two three way solenoid valve fluid flow direction is the fuel feeding mode, the gear pump supplies the inside hydraulic oil of fuel feeding tank to the guide cylinder, promotes the slider to rise, and operating platform begins to rise, if need stop rising, loosens the rising button, and the gear pump stops.

If the operation platform needs to descend, a guardian presses a descending button and keeps the contact normally closed, the flow direction of the two-position three-way electromagnetic valve is in a pressure relief mode, hydraulic oil in the guide cylinder is recovered into the oil tank, the operation platform descends, if the descending is needed to be stopped, the descending button is loosened, and the two-position three-way electromagnetic valve is switched to an oil supply mode.

Preferably, the guard rail comprises a door rail, a first rail and a first fixing pin, wherein the lower end of the first rail is fixedly arranged on the operation platform, and the side edge of the door rail is hinged with one side of the first rail; the first fixing pin is arranged on one opposite side of the first rail to connect the door rail and the first rail so that the door rail and the first rail form a frame body structure when closed. In the technical scheme, a first fence is vertically and fixedly arranged on an operation platform to form a frame structure with a notch, a door fence is arranged at the notch and can rotate relative to one side of the first fence, and when goods need to be lifted on the operation platform, the door fence is rotated to enable the goods to be filled in the first fence through the notch; after which both are fastened by means of a first fixing pin. Specifically, the first fixing pin can be fixedly arranged on the first fence, the clamping groove is formed in the door fence, and after the door fence is closed, the first fixing pin is pulled towards the direction of the door fence, so that the door fence can be clamped in the clamping groove to achieve the fastening connection effect.

Preferably, the guard rail comprises four second rails and second fixing pins, the lower ends of the four second rails are respectively hinged with the operation platform so that the second rails can be turned up and down, and two adjacent second rails are connected by the second fixing pins so that the four second rails form a frame structure when standing on the operation platform. According to the technical scheme, all the second fences can be turned up and down, when goods are required to be loaded, all the second fences are turned down, no obstacle exists on an operation platform, and a worker can conveniently put large objects into the second fences; after the goods are loaded, all the second fences are turned upwards, and the second fixing pins are used for connecting the first fences between two adjacent fences. Specifically, the first fence is formed by welding a transverse bar and a vertical bar, the height of the vertical bar is 1.0-1.2 m, and the distance between the vertical bars is 45-50cm. The cross bar is connected with the tops of the three vertical bars in a full-welded mode, certain strength exists, and the bottoms of the vertical bars and the operation platform are connected through hinges and can be opened and closed in an up-and-down movable mode. The different cross bars are connected by the locating pins, so that the lock can be locked.

Compared with the prior art, the utility model has the beneficial effects that:

drawings

FIG. 1 is a front view of the overall structure of the lift-type work platform of the present utility model;

FIG. 2 is a top view of the overall structure of the lift-type work platform of the present utility model;

fig. 3 is an overall construction diagram of the elevating work platform according to the present utility model.

In the accompanying drawings: 1. a lifting device; 11. a support base; 12. a lifting rod; 121. a support rod; 122. a guide cylinder; 123. a slide block; 2. a hydraulic drive device; 21. a transfer pump; 22. an oil tank; 23. a one-way valve; 24. a two-position three-way electromagnetic valve; 3. an operation platform; 4. a guard rail; 41. a second rail; 42. a second fixing pin; 5. a control unit; 6. a weight sensor.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

As shown in fig. 1, a lifting type working platform comprises a lifting device 1, a hydraulic driving device 2 for driving the lifting device 1 to ascend and descend, a working platform 3 arranged on the upper part of the lifting device 1, a guard rail 4 arranged on the working platform 3 and a control unit 5, wherein the control unit 5 is electrically connected with the hydraulic driving device 2, and the lifting device 1 comprises a supporting seat 11 and four lifting rods 12; the tops of the four lifting rods 12 are connected with the lower part of the operation platform 3 and are distributed at the lower part of the operation platform 3 to play a supporting role, and the lower parts of the four lifting rods 12 are arranged on the supporting seat 11; the hydraulic driving device 2 is connected with the lifting rod 12 to play a driving role, and the control unit 5 is arranged on the supporting seat 11.

In the embodiment, the tops of the four lifting rods 12 are uniformly arranged on the operation platform 3 and connected with the operation platform 3 so as to ensure the stability of the lifting process of the operation platform 3; in use, the hydraulic drive device 2 is controlled by the control unit 5, and the lifting rods 12 are driven by the hydraulic drive device 2. In the embodiment, only four lifting rods 12 are used for lifting and supporting, the hydraulic driving device 2 is used for driving, the structure is simple, the number of used parts is small, when equipment is in a problem, the type of the replaced part is easy to find, the maintenance is fast, the high-altitude operation is not delayed, and the hydraulic lifting device is suitable for being used in environments with shortage of personnel and resources. In particular, such personnel at sea, and environments where resources are limited.

As shown in fig. 2, the lifting rod 12 comprises a supporting rod 121, a hollow guide cylinder 122 vertically arranged on the supporting seat 11 and a sliding block 123, wherein the sliding block 123 is arranged in the guide cylinder 122 and is in sliding connection with the guide cylinder 122; the supporting rod 121 is connected with the sliding block 123 to realize lifting of the supporting rod 121, and the guide cylinder 122 is communicated with the hydraulic driving device 2 so that hydraulic oil can be introduced into the guide cylinder 122 to drive the sliding block 123 to lift. In the present embodiment, the hydraulic driving device 2 can supply or drain oil into the guide cylinder 122; the sliding block 123 rises in the oil supply process, so that the supporting rod 121 is driven to move upwards, and the working platform 3 rises; during the oil drainage process, the sliding block 123 moves downwards, so that the supporting rod 121 moves downwards, and the working platform 3 descends. Specifically, the lower end of the supporting rod 121 is connected with the top of the sliding block 123, the supporting rod 121 can be contracted in the guide cylinder 122, only the sliding block 123 contacts with the guide cylinder 122 and slides relatively, the supporting rod 121 is not attached to the inner wall of the guide cylinder 122, friction is reduced, and lifting efficiency of the supporting rod 121 is guaranteed.

As shown in fig. 2, the hydraulic drive device 2 includes a delivery pump 21, an oil tank 22, two check valves 23, and two-position three-way solenoid valves 24, the delivery pump 21 being immersed in the hydraulic oil of the oil tank 22; the oil outlet ends of the delivery pump 21 are respectively communicated with the oil inlet ends of the two one-way valves 23, the oil outlet ends of the two one-way valves 23 are respectively communicated with the oil inlet ends of the two-position three-way electromagnetic valves 24, and the oil outlet ends of the single two-position three-way electromagnetic valve 24 are respectively communicated with the two guide cylinders 122; the transfer pump 21 and the two-position three-way electromagnetic valve 24 are electrically connected to the control unit 5, respectively. In the present embodiment, the transfer pump 21 is immersed in the hydraulic oil in the oil tank 22, so that the hydraulic oil can be transferred, the space can be fully utilized, and the hydraulic oil can be utilized to cool the transfer pump 21. The hydraulic oil in the two guide cylinders 122 shares a two-position three-way electromagnetic valve 24, thereby meeting the power requirement without adding equipment and saving space and energy. The check valve 23 prevents hydraulic oil from flowing back; the two-position three-way solenoid valve 24 is used for controlling the supply and discharge of hydraulic oil. The check valve and the two-position three-way electromagnetic valve of the embodiment are immersed in the hydraulic oil in the oil tank 22, so that the space is saved. In offshore operations, pumps are more common, so hydraulic pumps are used as driving devices; even if damaged, the replacement pump can be found, and the overhaul process is simpler. The fuel tank 22 of the present embodiment may be provided on the support base 11 or may be integrally formed with the support base 11.

Example 2

This embodiment is similar to embodiment 1 described above, except that the transfer pump 21 is a gear pump. The gear pump transmits hydraulic power to the slider 123. The gear pump has the characteristics of simple and compact structure, small volume, light weight, good manufacturability, low price, convenient maintenance and reliable work, and is suitable for offshore operation with limited space and limited resources.

As shown in fig. 2, the work platform 3 is provided with a weight sensor 6, and the weight sensor 6 is electrically connected to the control unit 5. In the process of performing overhead operation, damaged equipment may need to be detached and placed on the operation platform 3, so that the weight on the operation platform 3 is increased continuously, the weight sensor 6 can transmit the detected weight value to the control unit 5, and when the weight reaches a preset value, the control unit 5 can control the two-position three-way electromagnetic valve 24 to automatically change into a descending mode, so that potential safety hazards are avoided.

In this embodiment, the control unit 5 includes a display screen for displaying the weight and a controller, and the display screen is electrically connected to the controller. The display screen visualizes the weight value, so that a worker can intuitively judge whether the weight is overweight or not. And a control logic is arranged in the controller and is used for controlling the operation and the work of each device.

In this embodiment, the control unit 5 further comprises an alarm for alarming, which is electrically connected to the controller. When the value detected by the weight sensor 6 is greater than the preset value, the alarm works to send out attention, overweight-! "warning sound. Specifically, a loudspeaker and a flashing lamp are arranged in the alarm, and the loudspeaker gives out warning sound; the light of the flashing lamp is red, so that overweight reminding is more visual.

In the present embodiment, the control unit 5 further includes an up button, a down button, and an emergency button, which are electrically connected to the controller, respectively. The guardian presses the up button and keeps the contact normally closed, the control unit 5 sends out a gear pump starting program, the two-position three-way electromagnetic valve 24 fluid flow direction is in an oil supply mode, the gear pump supplies hydraulic oil in the oil supply tank 22 into the guide cylinder 122, the sliding block 123 is pushed to rise, the operation platform 3 starts to rise, if the up-going is required to be stopped, the up-going button is loosened, and the gear pump is stopped.

If the operation platform 3 needs to descend, the guardian presses the descending button and keeps the contact normally closed, the two-position three-way electromagnetic valve 24 flows to be in a pressure relief mode, hydraulic oil in the guide cylinder 122 is recovered into the oil tank 22, the operation platform 3 descends, if the descending is needed to be stopped, the descending button is released, and the two-position three-way electromagnetic valve 24 is switched to an oil supply mode.

In an embodiment, on the working platform 3, the side edge of the door rail is hinged with one side of the first rail; the first fixing pin is arranged at one opposite side of the first rail to connect the door rail and the first rail so that the door rail and the first rail form a frame body structure when the door rail is closed. In the technical scheme, a first fence is vertically and fixedly arranged on an operation platform 3 to form a frame structure with a notch, a door fence is arranged at the notch and can rotate relative to one side of the first fence, and when a cargo is required to be lifted on the operation platform 3, the door fence is rotated to enable the cargo to be filled into the first fence through the notch; after which both are fastened by means of a first fixing pin. Specifically, the first fixing pin can be fixedly arranged on the first fence, the clamping groove is formed in the door fence, and after the door fence is closed, the first fixing pin is pulled towards the direction of the door fence, so that the door fence can be clamped in the clamping groove to achieve the fastening connection effect.

Example 3

This embodiment is similar to embodiment 2 described above, except that: as shown in the figure, the guard rail 4 includes four second rails 41 and second fixing pins 42, the lower ends of the four second rails 41 are respectively hinged with the working platform 3 so that the second rails 41 can be turned up and down, and the upper ends of two adjacent second rails 41 are connected by the second fixing pins 42 so that the four second rails 41 form a frame structure when standing on the working platform 3. According to the technical scheme, all the second fences 41 can be turned up and down, when loading is needed, all the second fences 41 are turned down, no obstacle exists on the operation platform 3, and a worker can conveniently put large objects into the operation platform; after the goods are loaded, all the second fences 41 are turned upwards, and the second fixing pins 42 are used for connecting the first fences between two adjacent fences. Specifically, the second fence is formed by welding a transverse bar and a vertical bar, the height of the vertical bar is 1.0-1.2 m, and the distance between the vertical bars is 45-50cm. The cross bar is connected with the tops of the three vertical bars in a full-welded mode, certain strength exists, and the bottoms of the vertical bars and the operation platform 3 can be opened and closed in an up-and-down movable mode through hinge connection. The different cross bars are connected by the locating pins, so that the lock can be locked.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The lifting type working platform comprises a lifting device (1), a hydraulic driving device (2) for driving the lifting device (1) to ascend and descend, a working platform (3) arranged on the upper portion of the lifting device (1), a guard rail (4) arranged on the working platform (3) and a control unit (5), wherein the control unit (5) is electrically connected with the hydraulic driving device (2), and the lifting device is characterized in that the lifting device (1) comprises a supporting seat (11) and four lifting rods (12); the tops of the four lifting rods (12) are connected with the lower part of the operation platform (3) and are uniformly distributed on the lower part of the operation platform (3) to play a supporting role, and the lower parts of the four lifting rods (12) are arranged on the supporting seat (11); the hydraulic driving device (2) is connected with the lifting rod (12) to play a driving role, and the control unit (5) is arranged on the supporting seat (11).

2. The lifting work platform according to claim 1, wherein the lifting rod (12) comprises a supporting rod (121), a hollow guide cylinder (122) vertically arranged on the supporting seat (11) and a sliding block (123), and the sliding block (123) is arranged in the guide cylinder (122) and is in sliding connection with the guide cylinder (122); the support rod (121) is connected with the sliding block (123) to achieve lifting of the support rod (121), and the guide cylinder (122) is communicated with the hydraulic driving device (2) so that hydraulic oil can be introduced into the guide cylinder (122) to drive the sliding block (123) to lift.

3. Lifting work platform according to claim 2, characterized in that the hydraulic drive (2) comprises a transfer pump (21), a tank (22), two one-way valves (23) and two-position three-way solenoid valves (24), the transfer pump (21) being immersed in the hydraulic oil of the tank (22); the oil outlet ends of the delivery pump (21) are respectively communicated with the oil inlet ends of the two one-way valves (23), the oil outlet ends of the two one-way valves (23) are respectively communicated with the oil inlet ends of the two-position three-way electromagnetic valves (24), and the oil outlet ends of the two-position three-way electromagnetic valves (24) are respectively communicated with the two guide cylinders (122); the delivery pump (21) and the two-position three-way electromagnetic valve (24) are respectively and electrically connected with the control unit (5).

4. A lifting work platform according to claim 3, characterized in that the transfer pump (21) is a gear pump.

5. Lifting work platform according to claim 1, characterized in that the work platform (3) is provided with a weight sensor (6), which weight sensor (6) is electrically connected with the control unit (5).

6. Lifting work platform according to claim 5, characterized in that the control unit (5) comprises a display screen for displaying weight and a controller, the display screen being electrically connected to the controller.

7. Lifting work platform according to claim 6, characterized in that the control unit (5) further comprises an alarm for alarming, which alarm is electrically connected with the controller.

8. The elevating work platform according to claim 6, wherein the control unit further comprises an up button, a down button, and an emergency button, wherein the up button, the down button, and the emergency button are electrically connected to the controller, respectively.

9. The lifting type working platform according to claim 1, wherein the guard rail (4) comprises a door rail, a first rail and a first fixing pin, the lower end of the first rail is fixedly arranged on the working platform, and the side edge of the door rail is hinged with one side of the first rail; the first fixing pin is arranged on one opposite side of the first rail to connect the door rail and the first rail so that the door rail and the first rail form a frame body structure when closed.

10. Lifting work platform according to claim 1, characterized in that the guard rail (4) comprises four second rails (41) and second fixing pins (42), the lower ends of the four second rails (41) are respectively hinged with the work platform (3) so that the second rails (41) can be turned up and down, and the upper ends of two adjacent second rails (41) are connected by the second fixing pins (42) so that the four second rails (41) form a frame structure when standing on the work platform (3).