CN210973768U - Self-walking scissor-fork type aerial work platform with drawer structure - Google Patents
Self-walking scissor-fork type aerial work platform with drawer structure Download PDFInfo
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- CN210973768U CN210973768U CN201921297758.0U CN201921297758U CN210973768U CN 210973768 U CN210973768 U CN 210973768U CN 201921297758 U CN201921297758 U CN 201921297758U CN 210973768 U CN210973768 U CN 210973768U
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- 238000009434 installation Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
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- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 239000000725 suspension Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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Abstract
The utility model discloses a cut fork aerial working platform from walking with drawer structure, include: the chassis comprises a chassis frame and a drawer which is positioned below the chassis frame and is in sliding connection with the chassis frame, the drawer comprises a front panel, a rear panel, a left side panel, a right side panel and a bottom panel, a power unit and a drag chain are arranged in the drawer, sliding rails which extend along the length in the front-back direction are arranged on the outer side of the left side panel and the outer side of the right side panel, the drag chain extends along the front-back direction, one end of the drag chain is connected with the right side panel through a drag chain connecting plate, a cable and an oil pipe are arranged in the drag chain, and the power unit comprises a hydraulic power unit and an electric power unit; the traveling mechanism comprises a drive axle and a steering axle which are arranged below the chassis, the drive axle is provided with a drive motor, the steering axle is provided with a steering oil cylinder, and the scissor-type lifting mechanism comprises a lifting oil cylinder and a plurality of groups of supporting rods which are hinged in a crossed mode. The utility model discloses simple to operate maintains the facility.
Description
Technical Field
The utility model relates to an aerial working platform technical field especially relates to a fork aerial working platform is cut from walking with drawer structure.
Background
The existing aerial work platform generally comprises a chassis, a walking device, a lifting device and a work platform, wherein the upper end of the lifting device is connected with the work platform, the lower end of the lifting device is connected with the chassis, the walking device is arranged on the chassis, the lifting device can be a scissor type lifting device, a mast type lifting device or a sleeve type lifting device, and the walking device can be a wheel type or crawler type walking device. The self-walking scissor-type aerial work platform is one of a plurality of aerial work platforms, the lifting device is a scissor-type lifting device, the walking device realizes self walking through a walking hydraulic system, and the walking hydraulic system generally comprises a pump, an electromagnetic reversing valve A, an electromagnetic reversing valve B and two motors. The forward and reverse rotation reversing of the motors is controlled through the electromagnetic reversing valve A, the forward and reverse of the aerial work platform are realized, the parallel low-speed walking of the two motors is realized through the serial and parallel connection of the electromagnetic reversing valve B and the high-speed walking is realized, the steering is realized through the steering oil cylinder, the scissor type lifting device is also controlled by hydraulic pressure, the power source is also a pump, the running parts of the driving walking device and the lifting device are generally called as a power unit, the power unit is generally and uniformly arranged on a chassis, on one hand, the installation of the power unit is inconvenient, on the other hand, the power unit is frequently used and needs to be maintained at regular time, and in the existing design, the chassis is lower, the space which can be accessed is small, so that the maintenance of the aerial work platform power unit is.
For example, the self-walking aerial work platform disclosed in patent document No. CN204508739U includes a walking mechanism, a lifting device and a work platform, and the work platform is above the lifting device. An operating platform, a steering wheel, a storage battery, a hydraulic pump station, a steering axle rocker arm and a fixed guide rail are arranged on a chassis frame of the travelling mechanism; an electronic accelerator pedal and a hydraulic disc brake pedal are arranged on an operating platform, and a steering axle is arranged at the lower part of the operating platform; a drive axle and a fixed guide rail supporting leg are fixed below the chassis frame; the steering gear is connected with a steering axle rocker arm through a connecting rod. The drive axle is connected with a differential mechanism through a speed reducer by an integrated direct current motor to drive a drive wheel; the upper part and the lower part of the scissor-type rod are connected with the operation platform and the fixed hinged seat on the chassis frame, the hydraulic oil cylinder is arranged on the scissor-type rod and is connected with the hydraulic pump station. The cost is low, and the structure is simple and compact; people can conveniently operate by standing on the operating platform, the lifting is flexible, the movement is convenient, the mobility is strong, but the daily maintenance of the storage battery and the hydraulic pump station is not convenient enough.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a convenient to operate, maintain from walking cut fork aerial working platform with drawer structure.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a cut fork aerial working platform from walking with drawer structure, includes: the chassis comprises a chassis frame and a drawer which is positioned below the chassis frame and is in sliding connection with the chassis frame, the drawer comprises a front panel, a rear panel, a left side panel, a right side panel and a bottom panel, a power unit and a drag chain are arranged in a space defined by the front panel, the rear panel, the left side panel, the right side panel and the bottom panel, slide rails extending along the length in the front-back direction are arranged on the outer sides of the left side panel and the right side panel, the drag chain extends along the front-back direction, one end of the drag chain is connected with the right side panel through a drag chain connecting plate, a cable and an oil pipe are arranged in the drag chain, and the power unit comprises a hydraulic power unit and an electric power unit; running gear is including locating drive axle and the steering axle of chassis below, the drive axle is equipped with driving motor, the steering axle is equipped with steering cylinder, cut fork elevating system and include lift cylinder and multiunit cross articulated branch.
In the scheme, the chassis is provided with the drawer, the drawer is internally provided with the installation space which can be pulled out forwards, and the installation space can be completely provided for the power unit of the high-altitude operation platform, and comprises the hydraulic power unit and the electric power unit; the drag chain is arranged, so that the cables and the oil pipes can be prevented from being placed at will, the advancing route of the cables and the oil pipes pushed along with the drawer is standardized, and the cable damage or oil pipe breakage caused by pulling the drawer for a long time is reduced.
Furthermore, the hydraulic power unit comprises a central valve block, an oil tank and a motor, wherein the oil tank and the motor are fixed at two ends of the central valve block, the end face of the central valve block in the oil tank is connected with a gear pump, an oil suction pipe and an oil return pipe, one side wall of the central valve block is provided with a one-way valve and a two-position four-way electromagnetic valve, the opposite side wall of the central valve block is provided with a pressure compensation valve, the upper side wall of the central valve block is connected with a transition block, the front side wall of the transition block is provided with a steering oil way overflow valve and a three-position four-way electromagnetic valve, the one-way valve and the two-position four-way electromagnetic valve are successively arranged on an oil; and the oil inlet channel in the transition block is communicated with a three-position four-way electromagnetic valve to form a steering oil channel of the steering oil cylinder through a working port A and a working port B, the working port A and the working port B are respectively connected with the steering oil cylinder through oil pipes, and the steering oil channel overflow valve is arranged on an oil return channel of the steering oil channel. The design can ensure the height controllability of the lifting oil cylinder and the steering oil cylinder, and improve the steering or lifting stability of the whole aerial work platform.
Further, the electric power unit includes a charger, a storage battery electrically connected to the charger, and a driver assembly electrically connected to the storage battery, and the driver assembly is electrically connected to the driving motor by a cable.
Further, the front panel is provided with a panel lock, a power switch, a master controller and a charging interface, the panel lock is provided with a lock hook plate used for being matched with the lock hook of the chassis frame, the master controller is electrically connected with the driver assembly, and the charging interface is electrically connected with the charger.
Furthermore, the steering axle further comprises a floating oil cylinder used for controlling the wheels at the steering axle to swing up and down, the drive axle further comprises a position sensor used for sensing the position of the wheels at the drive axle, and the position sensor is electrically connected with the main controller. The height of the wheels at the steering axle can be changed according to the height of the wheels at the drive axle, and the driving capacity of the whole aerial work platform on the hollow road surface can be improved.
Furthermore, the chassis frame comprises an upper chassis frame and a lower chassis frame, the geometric center of the lower chassis frame is rotatably connected with the upper chassis frame, the scissor-fork type lifting mechanism is connected with the upper chassis frame, the drawer is slidably connected with the lower chassis frame, the cross-sectional area of the upper chassis frame is larger than that of the lower chassis frame, the four corners of the upper chassis frame are respectively provided with a jacking mechanism, so that the whole aerial work platform can be jacked through the jacking mechanisms under the conditions of limited space, difficulty in steering and turning around, difficulty in backing and the like, and then the lower chassis frame is rotated to change the forward and backward directions of the drive axle, so that the environmental adaptability of the whole aerial work platform is improved.
Furthermore, both sides of the upper surface of the upper chassis frame are provided with a front sliding clamping seat and a rear sliding clamping seat, the right side of the lowest group of support rods at the lower end of the scissor lifting mechanism is fixedly connected to the right ends of the front sliding clamping seat and the rear sliding clamping seat, the left side of the lowest group of support rods at the upper end of the scissor lifting mechanism is connected to the front sliding clamping seat and the rear sliding clamping seat in a sliding manner through a lower sliding shaft, the right side of the highest group of support rods at the upper end of the scissor lifting mechanism is fixedly connected to the right side of the working platform, the left side of the highest group of support rods at the upper end of the scissor lifting mechanism is connected to the working platform in a sliding manner through an upper sliding shaft, the. The fixed sides are the same, the moving sides are the same, the lifting stability of the scissor-type lifting mechanism is favorably improved, and the extending direction of the movable part is matched, so that the stability of the movable part of the working platform in the extending process is favorably improved.
Furthermore, the right sides of the front sliding clamping seat and the rear sliding clamping seat are provided with mounting holes which penetrate through the front and the rear, fixing shafts penetrate through the mounting holes and are fixedly connected with the right side of the lowest group of support rods at the lower end of the scissor type lifting mechanism. Is favorable for facilitating the fixation of the scissor-type lifting mechanism.
Furthermore, a gear shaft is arranged at the geometric center of the lower chassis frame, the gear shaft penetrates into the upper chassis frame and is fixedly connected with a gear part, and a rotating motor used for being meshed with the gear part is arranged in the upper chassis frame. The rotating intelligence of the lower chassis frame is improved.
Furthermore, a ladder stand is arranged on one side, provided with the drive axle, of the chassis, the working platform comprises a main body part and a movable part connected to the main body part in a sliding mode, a telescopic oil cylinder is arranged between the movable part and the main body part, the telescopic oil cylinder is transversely fixed below the main body part, a telescopic end of the telescopic oil cylinder is connected with the movable part, so that the movable part can extend out or retract relative to the main body part, and a GPS is arranged in the drawer. The cat ladder can make things convenient for personnel to get into work platform, and flexible hydro-cylinder improves the intelligence that the movable part stretches out, improves connection structure's stability simultaneously, ensures work platform's job stabilization nature, and GPS can help know aerial working platform's geographical distribution constantly, realizes the position management and control.
After the technical scheme is adopted, the beneficial effects of the utility model are that: the intelligent air conditioner is convenient to install, convenient to maintain, good in intelligence, convenient to operate, strong in environmental adaptability, good in controllability and high in stability.
Drawings
In order to more clearly illustrate embodiments of the present invention or the technical solutions of the prior art, the drawings are as follows:
FIG. 1 is a schematic structural view of a self-walking scissor-fork type aerial work platform with a drawer structure provided by the utility model;
fig. 2 is a schematic structural diagram of a hydraulic power unit provided by the present invention;
FIG. 3 is a schematic view of a lower drawer installation structure according to an embodiment of the present invention;
fig. 4 is a schematic view of a preferred chassis structure provided by the present invention;
FIG. 5 is a schematic view of a steering axle structure according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a lower drive axle according to an embodiment of the present invention;
fig. 7 is a structural schematic diagram of the extension state of the self-walking scissor-fork type aerial work platform with the drawer structure according to the next embodiment of the present invention.
In the figure: 11-chassis frame, 12-drawer, 13-power unit, 14-tow chain, 121-slide rail, 211-drive electricity, 21-drive axle, 22-steering axle, 141-tow chain connecting plate, 31-lift oil cylinder, 32-support rod, 131-central valve block, 132-oil tank, 133-motor, 135-two-position four-way electromagnetic valve, 136-transition block, 137-steering oil way overflow valve, 138-three-position four-way electromagnetic valve, 139-charger, 1310-storage battery, 1311-driver component, 15-panel lock, 16-power switch, 17-main controller, 18-charging interface, 151-latch plate, 222-floating oil cylinder, 212-position sensor, 111-upper chassis frame, 112-lower chassis frame, 5-jacking mechanism, 1111-front sliding clamping seat, 113-lower sliding shaft, 114-upper sliding shaft, 41-main body part, 42-movable part, 1112-mounting hole, 1113-fixed shaft, 1121-gear part, 6-rotating motor, 7-ladder stand and 8-GPS.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
It will be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be considered limiting of the patent.
Example 1
As shown in fig. 1, the present embodiment provides a self-walking scissor-type aerial work platform with a drawer structure, comprising: the chassis comprises a chassis frame 11 and a drawer 12 which is positioned below the chassis frame 11 and is in sliding connection with the chassis frame 11, the drawer 12 comprises a front panel, a rear panel, a left side panel, a right side panel and a bottom panel, the front panel, the rear panel, the left side panel, the right side panel and the bottom panel can be connected in a welding or integrated forming mode, a power unit 13 and a drag chain 14 are arranged in a space defined by the front panel, the rear panel, the left side panel, the right side panel and the bottom panel, slide rails 121 extending along the length in the front-back direction are arranged on the outer side of the left side panel and the outer side of the right side panel, the drag chain 14 extends along the front-back direction, one end of the drag chain is connected with the right side panel through a drag chain connecting plate 141, a cable and an oil pipe are arranged in the drag chain 14, and the curvature radius of the drag chain 14 is smaller than the curvature radius of the cable, avoiding excessive bending of the cable or oil pipe, wherein the power unit 13 comprises a hydraulic power unit and an electric power unit; the traveling mechanism comprises a drive axle 21 and a steering axle 22 which are arranged below the chassis, the drive axle 21 is provided with two drive motors 211, the two drive motors 211 can respectively control two wheels at the drive axle 21, and can also be provided with only one drive as described in the patent document with the publication number of CN208439072U, the steering axle 22 is provided with a steering oil cylinder, and the scissor type lifting mechanism comprises a lifting oil cylinder 31 (not shown in figure 1) and a plurality of groups of supporting rods 32 which are hinged in a cross mode.
In the scheme, the drawer 12 is arranged at the chassis, the drawer 12 is internally provided with an installation space which can be pulled out forwards, and the installation space can be completely provided for the power unit 13 of the high-altitude operation platform, and comprises a hydraulic power unit and an electric power unit, so that the installation is convenient, the drawer 12 can be pulled out forwards, the light ray is increased, the space for personnel to intervene is increased, and the maintenance of the power unit 13 is convenient; the drag chain 14 can prevent cables and oil pipes from being placed randomly, standardizes the traveling route of the cables and the oil pipes along with the pulling-out and pushing-in of the drawer 12, and reduces cable damage or oil pipe breakage caused by pulling the drawer 12 for a long time.
Further, as shown in fig. 2, the hydraulic power unit includes a central valve block 131, an oil tank 132 fixed at two ends of the central valve block 131, and a motor 133, an end surface of the central valve block 131 in the oil tank 132 is connected with a gear pump, an oil suction pipe, and an oil return pipe, a check valve 134 and a two-position four-way solenoid valve 135 are installed on one side wall of the central valve block 131, a pressure compensation valve is installed on the opposite side wall, a transition block 136 is connected to the upper side wall of the central valve block 131, a steering oil way overflow valve 137 and a three-position four-way solenoid valve 138 are installed on the front side wall of the transition block 136, the check valve 134 and the two-position four-way solenoid valve 135 are successively installed on an oil inlet of the central valve block 131 and communicated to a C working port, the C working; an oil inlet in the transition block 136 is communicated with a three-position four-way electromagnetic valve 138 to a working port A and a working port B to form a steering oil way of the steering oil cylinder, the working port A and the working port B are respectively connected with the steering oil cylinder through oil pipes, and a steering oil way overflow valve 137 is arranged on an oil return way of the steering oil way.
After a coil 135 of the two-position four-way electromagnetic valve is electrified, a plunger of the oil outlet lifting oil cylinder 31 of the working port C extends out, and the working platform rises; after the 135 coils of the two-position four-way electromagnetic valve are powered off, the electromagnetic valve on the lifting oil cylinder 31 is powered on, and the platform stably descends through the pressure compensation valve. And after the coil of the two-position four-way electromagnetic valve 135 is not electrified, the steering oil cylinder acts after the coil of the three-position four-way electromagnetic valve 138 is electrified, and the overflow valve 137 of the steering oil way is opened when the steering oil cylinder is turned to the top, so that overload is avoided.
The design has the advantages of part integration, small volume, light weight, no leakage, no potential safety hazard of oil circuit pressure, capability of ensuring the height controllability of the lifting oil cylinder 31 and the steering oil cylinder and improvement of the steering or lifting stability of the whole aerial work platform.
Further, as shown in fig. 3, 4, 5 and 6, the electric power unit includes a charger 139, a storage battery 1310 electrically connected to the charger 139, and a driver assembly 1311 electrically connected to the storage battery 1310, the driver assembly 1311 is electrically connected to the driving motor 211 through a cable, and the driver assembly 1311 is also electrically connected to each valve of the hydraulic power unit for controlling energization or non-energization of the four-way solenoid valve 135, the three-position four-way solenoid valve 138, and the like.
The front panel is provided with a panel lock 15, a power switch 16, a main controller 17 and a charging interface 18, the panel lock 15 is provided with a latch hook plate 151 used for being matched with the latch hook of the chassis frame 11, the main controller 17 is electrically connected with the driver assembly 1311, and the charging interface 18 is electrically connected with the charger 139. Power switch 16 locates on the power supply line of battery 1310, and master controller 17 makes things convenient for human-computer interaction and operation platform's intelligent control.
The steering axle 22 further comprises a floating cylinder 222 for controlling the wheels at the steering axle 22 to swing up and down, one end of the floating cylinder 222 is connected to the lower surface of the chassis frame 11, the other end of the floating cylinder 222 is connected to the steering axle 22, the number of the floating cylinders 222 is 2, two wheels at the steering axle 22 are controlled by extension and contraction respectively, the two wheels are rotatably connected to a suspension through a spindle, the suspension is connected to the lower surface of the chassis frame 11, the drive axle 21 further comprises a position sensor 212 for sensing the position of the wheels at the drive axle 21, the position sensor 212 is electrically connected to the master controller 17, the master controller 17 regulates and controls the lifting of the two floating cylinders 222 according to the data of the position sensor 212, for example, when one wheel at the drive axle 22 falls into a pit, the position sensor 212 is out of contact with the wheel, the position sensor 212 is triggered to detect the distance between the wheel and transmit the distance to the, the main controller 17 controls the floating oil cylinders 222 corresponding to the wheels at the steering axles 22 with the diagonal wheels to extend according to a prestored program, so that the wheels at the steering axles 22 with the diagonal wheels descend, and the ground adhesion is further increased. In conclusion, the height of the wheels at the steering axle 22 can be changed according to the height of the wheels at the drive axle 21, and the traveling capacity of the whole aerial work platform on the pothole road surface can be improved.
The chassis frame 11 comprises an upper chassis frame 111 and a lower chassis frame 112, the geometric center of the lower chassis frame 112 is rotatably connected with the upper chassis frame 111, the scissor-type lifting mechanism is connected with the upper chassis frame 111, the drawer 12 is slidably connected with the lower chassis frame 112, the cross-sectional area of the upper chassis frame 111 is larger than that of the lower chassis frame 112, the four corners of the upper chassis frame 111 are respectively provided with a jacking mechanism 5, so that the whole aerial work platform is jacked by the jacking mechanisms 5 under the conditions of limited space, difficulty in steering and turning around, difficulty in backing and the like, and then the lower chassis frame 112 is rotated to change the advancing and retreating directions of the drive axle 21.
Preferably, as shown in fig. 7, a front sliding clamping seat 1111 and a rear sliding clamping seat are arranged on two sides of the upper surface of the upper chassis frame 111, the right side of the lowest group of support rods 32 at the lower end of the scissor lift mechanism is fixedly connected to the right ends of the front sliding clamping seat 1111 and the rear sliding clamping seat, the left side is slidably connected to the front sliding clamping seat 1111 and the rear sliding clamping seat through a lower sliding shaft 113, two ends of the lower sliding shaft 113 are respectively arranged in the front sliding clamping seat 1111 and the rear sliding clamping seat, when the lift cylinder 31 extends, the lower sliding shaft 113 moves from left to right along the front sliding clamping seat 1111 and the rear sliding clamping seat, the right side of the highest group of support rods 32 at the upper end of the scissor lift mechanism is fixedly connected to the right side of the working platform, the left side is slidably connected to the working platform through an upper sliding shaft 114, the working platform comprises a main body portion 41 and a, the movable portion 42 is capable of being extended from right to left or retracted from left to right relative to the body portion 41. The fixed sides are the same, the moving sides are the same, the lifting stability of the scissor-type lifting mechanism is favorably improved, and the extending direction of the movable part 42 is matched, so that the stability of the movable part 42 of the working platform in the extending working process is favorably improved.
The front sliding clamping seat 1111 and the rear sliding clamping seat are provided with mounting holes 1112 penetrating through the front and the rear, a fixing shaft 1113 penetrates through the mounting holes 1112, and the fixing shaft 1113 penetrates into the mounting holes 1113 and is fixedly connected with the right side of the lowest group of support rods 32 at the lower end of the scissor type lifting mechanism. Is favorable for facilitating the fixation of the scissor-type lifting mechanism.
As shown in fig. 6, a gear shaft is disposed at a geometric center of the lower chassis frame 112, the gear shaft penetrates into the upper chassis frame 111 and is fixedly connected with a gear portion 1121, a rotating electrical machine 6 for meshing with the gear portion 1121 is disposed in the upper chassis frame 111, and the rotating electrical machine 6 is electrically connected to the main controller 17. The rotating intelligence of the lower chassis frame 112 is improved, the high-altitude operation platform can conveniently and flexibly and efficiently move, and the high-altitude operation platform is particularly suitable for high-altitude operation in narrow road sections, and it needs to be emphasized that the rotating motor 6 rotates to drive the lower chassis frame 112 to rotate, so that the advancing direction of the high-altitude operation platform is changed, after the platform is driven to a specified position, operation needs to be started after the end of the drive axle 21 of the lower chassis frame 112 is rotated to the fixed side of the scissor type lifting mechanism for ensuring the stability and safety of the high-altitude operation, namely, the fixed side of the scissor type lifting mechanism is required to be arranged right above the drive axle 21 in a safe operation state.
A ladder stand 7 is arranged on one side of the chassis, which is provided with the drive axle 21, the working platform comprises a main body part 41 and a movable part 42 which is connected with the main body part 41 in a sliding manner, a telescopic oil cylinder is arranged between the movable part 42 and the main body part 41, the telescopic oil cylinder is transversely fixed below the main body part 41, the telescopic end of the telescopic oil cylinder is connected with the movable part 42, so that the movable part 42 can extend or retract relative to the main body part 41, and a GPS8 is arranged in the drawer 12. The cat ladder can make things convenient for personnel to get into work platform, and flexible hydro-cylinder improves the intelligence that movable part 42 stretches out, improves connection structure's stability simultaneously, can avoid movable part 42 to slide because of meeting the accident that reasons such as barrier lead to when aerial working platform dive, ensures work platform's work stationarity, and GPS can help knows aerial working platform's geographical distribution constantly, realizes the position management and control.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a cut fork aerial working platform from walking with drawer structure, includes: the chassis comprises a chassis frame and a drawer which is positioned below the chassis frame and is in sliding connection with the chassis frame, the drawer comprises a front panel, a rear panel, a left side panel, a right side panel and a bottom panel, a power unit and a drag chain are arranged in a space surrounded by the front panel, the rear panel, the left side panel, the right side panel and the bottom panel, slide rails extending along the length in the front-back direction are arranged on the outer sides of the left side panel and the right side panel, the drag chain extends along the front-back direction, one end of the drag chain is connected with the right side panel through a drag chain connecting plate, a cable and an oil pipe are arranged in the drag chain, and the power unit comprises a hydraulic power unit and an electric power unit; running gear is including locating drive axle and the steering axle of chassis below, the drive axle is equipped with driving motor, the steering axle is equipped with steering cylinder, cut fork elevating system and include lift cylinder and multiunit cross articulated branch.
2. The self-walking scissor-type aerial work platform with the drawer structure as claimed in claim 1, wherein the hydraulic power unit comprises a center valve block, an oil tank and a motor, the oil tank and the motor are fixed at two ends of the center valve block, a gear pump, an oil suction pipe and an oil return pipe are connected to the end surface of the center valve block in the oil tank, a one-way valve and a two-position four-way solenoid valve are installed on one side wall of the center valve block, a pressure compensation valve is installed on the opposite side wall of the center valve block, a transition block is connected to the upper side wall of the center valve block, a steering oil way overflow valve and a three-position four-way solenoid valve are installed on the front side wall of the transition block, the one-way valve and the two-position four-way solenoid valve are successively arranged on an oil inlet of; and the oil inlet channel in the transition block is communicated with a three-position four-way electromagnetic valve to form a steering oil channel of the steering oil cylinder through a working port A and a working port B, the working port A and the working port B are respectively connected with the steering oil cylinder through oil pipes, and the steering oil channel overflow valve is arranged on an oil return channel of the steering oil channel.
3. The self-propelled scissor aerial work platform with a drawer structure of claim 1, wherein the electric power unit comprises a charger, a battery electrically connected to the charger, and a driver assembly electrically connected to the battery, the driver assembly being electrically connected to the drive motor via a cable.
4. The self-walking scissor type aerial work platform with the drawer structure as claimed in claim 3, wherein the front panel is provided with a panel lock, a power switch, a main controller and a charging interface, the panel lock is provided with a latch hook plate for being matched with the chassis frame to form a latch hook, the main controller is electrically connected with the driver assembly, and the charging interface is electrically connected with the charger.
5. The self-walking scissor aerial work platform with the drawer structure of claim 4, wherein the steering axle further comprises a floating cylinder for controlling wheels at the steering axle to swing up and down, the drive axle further comprises a position sensor (212) for sensing the position of the wheels at the drive axle, and the position sensor (212) is electrically connected with the main controller.
6. The self-propelled scissor-type aerial work platform with the drawer structure as claimed in claim 1, wherein the chassis frame comprises an upper chassis frame and a lower chassis frame, the lower chassis frame is rotatably connected with the upper chassis frame at a geometric center, the scissor-type lifting mechanism is connected with the upper chassis frame, the drawer is slidably connected with the lower chassis frame, the cross-sectional area of the upper chassis frame is larger than that of the lower chassis frame, and jacking mechanisms are arranged at four corners of the upper chassis frame.
7. The self-walking scissor type aerial work platform with the drawer structure as claimed in claim 6, wherein a front sliding clamping seat and a rear sliding clamping seat are arranged on two sides of the upper surface of the upper chassis frame, the right side of the lowest group of support rods at the lower end of the scissor type lifting mechanism is fixedly connected to the right ends of the front sliding clamping seat and the rear sliding clamping seat, the left side of the scissor type lifting mechanism is slidably connected to the front sliding clamping seat and the rear sliding clamping seat through a lower sliding shaft, the right side of the highest group of support rods at the upper end of the scissor type lifting mechanism is fixedly connected to the right side of the work platform, and the left side of the scissor type lifting mechanism is slidably connected to the work platform.
8. The self-walking scissor-type aerial work platform with the drawer structure as claimed in claim 7, wherein the front sliding clamping seat and the rear sliding clamping seat are provided with mounting holes penetrating through the front and the rear sides, and a fixing shaft penetrates through the mounting holes and is fixedly connected with the right side of the lowest group of support rods at the lower end of the scissor-type lifting mechanism.
9. The self-walking scissor type aerial work platform with the drawer structure as claimed in claim 6, wherein a gear shaft is arranged at the geometric center of the lower chassis frame, the gear shaft penetrates into the upper chassis frame and is fixedly connected with a gear part, and a rotating motor used for being meshed with the gear part is arranged in the upper chassis frame.
10. A self-propelled scissor aerial work platform with a drawer structure as claimed in any one of claims 1 to 9 wherein the chassis is provided with a ladder on one side of the drive axle, the work platform comprises a main body portion and a movable portion slidably connected to the main body portion, a telescopic cylinder is provided between the movable portion and the main body portion, the telescopic cylinder is transversely fixed below the main body portion, a telescopic end of the telescopic cylinder is connected to the movable portion so that the movable portion can extend or retract relative to the main body portion, and a GPS is provided in the drawer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297758.0U CN210973768U (en) | 2019-08-12 | 2019-08-12 | Self-walking scissor-fork type aerial work platform with drawer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921297758.0U CN210973768U (en) | 2019-08-12 | 2019-08-12 | Self-walking scissor-fork type aerial work platform with drawer structure |
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| CN210973768U true CN210973768U (en) | 2020-07-10 |
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| CN201921297758.0U Expired - Fee Related CN210973768U (en) | 2019-08-12 | 2019-08-12 | Self-walking scissor-fork type aerial work platform with drawer structure |
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| CN (1) | CN210973768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467132A (en) * | 2019-08-12 | 2019-11-19 | 浙江瀚镪自动化设备股份有限公司 | A kind of walking scissor aerial work platform certainly with drawer structure |
-
2019
- 2019-08-12 CN CN201921297758.0U patent/CN210973768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467132A (en) * | 2019-08-12 | 2019-11-19 | 浙江瀚镪自动化设备股份有限公司 | A kind of walking scissor aerial work platform certainly with drawer structure |
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Granted publication date: 20200710 |