Flexible small short-distance transportation device
Technical Field
The utility model belongs to the technical field of transport vehicles, and particularly relates to a flexible small short-distance transport device.
Background
In various environmental protection construction scenes, a great number of operations for carrying out short-distance transportation on various materials are generally involved, such as consumable materials for environmental protection construction, spare parts of engineering equipment and devices, and the like, so to speak, the efficiency of project construction is greatly influenced by the transfer and transportation efficiency of various materials, and the labor cost of construction projects is determined. The various materials applied to project sites comprise consumable materials, spare parts and the like, are usually heavier, and when the traditional small-sized transportation trailer is adopted for transferring and transporting the materials, the materials cannot be prevented from being transported to the trailer and from being transported downwards on the trailer, the transportation operation is time-consuming and labor-consuming, the efficiency of transferring and transporting is seriously affected, and meanwhile, the manpower consumption is very high. On the other hand, different types of materials are often adapted to be transported in different ways, e.g. some materials are adapted to be placed directly on a trailer, some materials are adapted to be connected to and towed by a trailer, etc.
The existing small-sized transportation device is difficult to meet the requirements, so that the construction efficiency is low, the manpower consumption is high, transportation operation risks are easy to generate under some conditions, and the transportation mode is single. Therefore, a new small-sized transportation device needs to be developed and designed to solve the above technical problems.
Disclosure of utility model
The utility model provides a flexible small-sized short-distance transportation device which is convenient to operate, improves construction efficiency, reduces manpower consumption, improves operation safety and has a plurality of transportation modes to meet the transportation demands of different types of materials.
The utility model aims to solve the technical problems in the prior art and adopts the technical proposal that the flexible small-sized short-distance transportation device comprises a chassis provided with a front group of wheels and a rear group of wheels, wherein the wheels at the rear part are universal wheels, and the wheels at the front part are driven by a driving component; a telescopic fork is arranged above the chassis, an electric push rod is arranged between the telescopic fork and the chassis, a lifting plate is arranged at the top of the telescopic fork, a supporting and transferring assembly is arranged on the lifting plate, a hoisting assembly is arranged at the front part of the lifting plate, and a clamping assembly is arranged at the front end of the hoisting assembly; the supporting and transferring assembly comprises a supporting plate, roller supporting mechanisms are arranged on two sides of the supporting plate, pushing mechanisms for pushing materials placed on the roller supporting mechanisms are further arranged on the supporting plate, the hoisting assembly comprises a sleeve and a telescopic supporting rod positioned in the sleeve, the clamping assembly comprises a cross-shaped fork arm, the upper end of the cross-shaped fork arm is connected with the end part of the telescopic supporting rod through a chain, and a clamping base is arranged on the inner side of the lower end of the cross-shaped fork arm.
Preferably, the roller supporting mechanism comprises an elongated roller base which is arranged and fixed at the edge position of the side part of the supporting plate, and a plurality of rollers with the same height are arranged on the roller base.
Preferably, the pushing mechanism comprises a screw rod arranged above the middle part of the supporting plate, a transmission mechanism is arranged at the rear part of the supporting plate through a supporting seat, an output shaft of the transmission mechanism is in butt joint with the end part of the screw rod, an input shaft of the transmission mechanism is in butt joint with a driving shaft, the driving shaft is perpendicular to the screw rod, the end part of the driving shaft extends to the edge of the supporting plate and is provided with a hand wheel, and a pushing cross beam is arranged on a screw nut of the screw rod.
Preferably, a left sliding rail and a right sliding rail are also arranged on the supporting plate, sliding blocks are arranged on the sliding rails, and the pushing cross beam is fixedly connected with the two sliding blocks.
Preferably, the rear part of the sleeve is fixedly connected with the bottom of the front part of the lifting plate, the side wall of the sleeve is provided with a connecting hole, the rear part of the telescopic supporting rod is provided with a plurality of adjusting holes, and the telescopic supporting rod is fixedly connected with the sleeve by adjusting bolts penetrating through the connecting holes and the adjusting holes.
Preferably, a hook is arranged below the front end of the telescopic stay bar, and a chain flap in the middle of the chain is connected to the hook in a hanging way.
Preferably, the clamping base is welded and mounted on the inner side of the lower end of the cross-shaped fork arm, a rubber cushion block is further arranged on the inner side of the clamping base, and the rubber cushion block is fixedly connected with the clamping base through bolts.
Preferably, a bottom box body is arranged below the middle part of the chassis, a controller and a storage battery are arranged in the bottom box body, and an electric push rod and a driving motor of the driving assembly are connected with the controller.
Preferably, a handrail is also arranged at the rear part of the chassis.
The utility model has the advantages and positive effects that:
The utility model provides a flexible small short-distance transportation device which is used for carrying out auxiliary transfer transportation of materials on various construction sites. Compared with the existing auxiliary transportation devices such as small trailers, the transportation device provided by the utility model adopts the telescopic fork and the electric push rod to provide lifting driving function for the supporting and transferring assembly of the lifting plate on the lifting plate, so that when the material is required to be loaded on the transportation device or unloaded by the transportation device, the lifting plate can be lowered to a low position, the labor intensity during upward or downward material transportation can be reduced, the material transportation and transportation efficiency is improved, and the requirement on manpower is reduced. Meanwhile, as the materials can be more conveniently loaded and unloaded, the danger of loading and unloading the materials is reduced to a certain extent.
The roller supporting mechanism for supporting the transfer assembly supports the materials, the materials can be pushed and moved by the pushing mechanism, and the pushing mechanism provides an auxiliary unloading function for heavier materials, so that the consumption of manpower is further reduced. The transporting device provided by the utility model has the use modes of carrying type transporting of materials, dragging type transporting of materials by adopting the hoisting assembly and the clamping assembly, hoisting type transporting and the like, and can meet the transporting requirements of different types of materials.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic structural view of a main body portion of the present utility model, from an upper perspective;
FIG. 3 is a schematic view of the support transfer assembly of FIG. 1, from an upper perspective;
FIG. 4 is a schematic view of the lifting assembly and clamping assembly of FIG. 1;
Fig. 5 is a schematic view of the clamping assembly of fig. 4.
In the figure:
1. The hand rest, 2, a support transfer assembly, 2-1, a support plate, 2-2, a slide rail, 2-3, a screw rod, 2-4, a roller support mechanism, 2-5, a pushing beam, 2-6, a hand wheel, 2-7, a transmission mechanism, 2-8, a support seat, 2-9, a sliding block, 3, a lifting plate, 4, a chassis, 5, an electric push rod, 6, a bottom box, 7, a driving assembly, 8, wheels, 9, a telescopic fork frame, 10, a sleeve, 11, an adjusting bolt, 12, a telescopic support rod, 13, a hook, 14, a lock chain, 15, a cross fork arm, 16 and a clamping base.
Detailed Description
In order to further understand the summary, features and advantages of the present utility model, the following examples are set forth in detail.
Referring to fig. 1, the flexible small-sized short-distance transportation device of the present utility model includes a chassis 4 on which front and rear sets of wheels 8 are mounted, the rear wheels 8 are universal wheels, and the front wheels are driven by a driving assembly 7. The universal wheels at the rear part are used for steering, the driving assembly 7 comprises a driving motor and a reduction gearbox, and the reduction gearbox drives the wheel shafts of the wheels 8 at the front part to realize the walking driving of the small short-distance transportation device. In this embodiment, in order to facilitate the operation of the constructor, an armrest 1 is also mounted at the rear of the chassis 4.
Referring to fig. 2, it can be seen that:
A telescopic fork 9 is arranged above the chassis 4, an electric push rod 5 is arranged between the telescopic fork 9 and the chassis 4, a lifting plate 3 is arranged at the top of the telescopic fork 9, a supporting and transferring component 2 is arranged on the lifting plate 3, a lifting component is arranged at the front part of the lifting plate 3, and a clamping component is arranged at the front end of the lifting component. Under the driving action of the electric push rod 5, the telescopic fork 9 performs telescopic action, and accordingly the lifting plate 3 performs lifting movement, so that the supporting and transferring assembly 2, the lifting assembly and the clamping assembly perform lifting movement, wherein the supporting and transferring assembly 2 is used for carrying type transportation of materials, and the lifting assembly and the clamping assembly are used for dragging type transportation of the materials.
As shown in the figure, the telescopic fork 9 comprises a left cross fork and a right cross fork, the two cross forks have the same fork shaft, the lower end of the electric push rod 5 is hinged with the middle part of the chassis 4, and the upper end of the piston rod of the electric push rod 5 is hinged with the fork shaft. The front ends of the bottoms of the two cross-shaped fork frames are hinged with the chassis 4, the rear ends of the bottoms of the two cross-shaped fork frames are lapped on the chassis 4, and the rear ends of the tops of the two cross-shaped fork frames are abutted against the lower surface of the lifting plate 3. When the telescopic fork 9 performs telescopic action, the bottom rear ends of the two cross forks slide forwards or backwards on the chassis 4, and in order to improve the stability of sliding movement, rails can be arranged on two sides of the rear part of the chassis 4, and rail blocks are arranged on the rails, so that the bottom rear ends of the two cross forks are hinged with the two rail blocks.
In this embodiment, a bottom box 6 is installed below the middle of the chassis 4, a controller and a storage battery are installed in the bottom box 6, and a driving motor of the electric push rod 5 and the driving assembly 7 is connected with the controller. An operation button can be arranged on the handrail 1 to respectively control the extension and retraction of a piston rod of the electric push rod 5 and the start and stop and forward and backward traveling driving of the driving component 7.
Referring to fig. 3, the structure of the support transfer assembly 2 can be seen:
The support transfer assembly 2 comprises a support plate 2-1, and the support plate 2-1 is fixedly connected with a lifting plate 3. Roller supporting mechanisms 2-4 are arranged on two sides of the supporting plate 2-1, and pushing mechanisms for pushing materials placed on the roller supporting mechanisms 2-4 are also arranged on the supporting plate 2-1.
The left and right roller supporting mechanisms 2-4 are used for bearing materials, and as shown in the figure, the roller supporting mechanisms 2-4 comprise a strip-shaped roller base which is fixedly arranged at the edge position of the side part of the supporting plate 2-1, and a plurality of rollers with equal height are arranged on the roller base. In general, materials transferred and transported in a load-bearing manner are placed on regular trays, and the trays are placed on the supporting and transferring assembly 2 and supported by the left and right roller supporting mechanisms 2-4. When the materials are loaded, the material tray is slid backwards, otherwise, when the materials are unloaded, the material tray is slid forwards until the material tray is separated from the short-distance conveying device. The pushing mechanism is arranged to limit the tray when the material tray is loaded and assist in pushing and unloading the tray when the material tray is unloaded.
In the embodiment, the pushing mechanism comprises a screw rod 2-3 arranged above the middle part of a supporting plate 2-1, a transmission mechanism 2-7 is arranged at the rear part of the supporting plate 2-1 through a supporting seat 2-8, an output shaft of the transmission mechanism 2-7 is in butt joint with the end part of the screw rod 2-3, an input shaft of the transmission mechanism 2-7 is in butt joint with a driving shaft, the driving shaft is perpendicular to the screw rod 2-3, the end part of the driving shaft extends to the edge of the supporting plate 2-1 and is provided with a hand wheel 2-6, and a pushing beam 2-5 is arranged on a nut of the screw rod 2-3.
The driving mechanism 2-7 drives the screw rod 2-3 to move forward or backward through the input driving action of the hand wheel 2-6 and the driving axial transmission mechanism 2-7, and correspondingly pushes the cross beam 2-5 to move forward or backward. The transmission mechanism 2-7 comprises a shell and a worm gear assembly positioned in the shell, wherein a worm wheel is arranged on the output shaft, and the end part of the worm extends out of the shell to form the input shaft.
In the embodiment, a left slide rail 2-2 and a right slide rail 2-2 are further installed on the supporting plate 2-1, the two slide rails 2-2 are respectively located on the left side and the right side of the screw rod 2-3, the slide rails 2-2 are provided with the sliding blocks 2-9, the pushing beam 2-5 is fixedly connected with the two sliding blocks 2-9, and the sliding rails 2-2 and the sliding blocks 2-9 are arranged to improve the moving stability of the pushing beam 2-5.
Referring to fig. 4 and 5, it can be seen that:
The lifting assembly comprises a sleeve 10 and a telescopic stay 12 positioned in the sleeve 10, wherein the telescopic stay 12 can be outwards extended or inwards retracted. In this embodiment, the rear portion of the sleeve 10 is fixedly connected with the bottom of the front portion of the lifting plate 3, a connecting hole is formed in the side wall of the sleeve 10, a plurality of adjusting holes are formed in the rear portion of the telescopic supporting rod 12, the telescopic supporting rod 12 is fixedly connected with the sleeve 10 through adjusting bolts 11 penetrating through the connecting hole and the adjusting holes, when in use, the telescopic supporting rod 12 is adjusted in telescopic position, and after being adjusted in place, the telescopic supporting rod 12 is fixed through the adjusting bolts 11.
The clamping assembly comprises a cross-shaped fork arm 15, the upper end of the cross-shaped fork arm is connected with the end part of the telescopic stay bar 12 through a lock chain 14, and a clamping base 16 is arranged on the inner side of the lower end of the cross-shaped fork arm 15. When the clamping assembly is lifted up by the whole body, the cross-shaped fork arms 15 deform under the action of gravity, the distance between the two clamping bases 16 is reduced, and materials are clamped in the middle.
In the embodiment, a hook 13 is arranged below the front end of the telescopic stay bar 12, and a chain flap mount in the middle of the chain 14 is connected to the hook 13. Therefore, the clamping assembly can be detached from the front end of the hoisting assembly under the condition of not being used, and adverse effects on the transfer and transportation of materials are avoided.
In this embodiment, the clamping base 16 is welded and installed on the inner side of the lower end of the cross-shaped fork arm 15, a rubber cushion block is further arranged on the inner side of the clamping base 16, the rubber cushion block is fixedly connected with the clamping base 16 through bolts, the clamping base 16 is arranged to provide friction force for clamped objects, and the clamping and fixing effects on materials are improved.
The operation mode is as follows:
1) Material carrying type transportation
The lifting plate 3 is controlled to be lowered to a low position, materials are placed on the tray, the tray is transferred and placed on the supporting and transferring assembly 2, two side edges of the tray are respectively supported by the two roller supporting mechanisms 2-4, the moving material tray is pushed backwards on the supporting and transferring assembly 2 until the rear part of the tray is in contact with the pushing beam 2-5, then the lifting plate 3 is lifted, an operator operates the small-sized short-distance conveying device to move, after the operator reaches a destination, the lifting plate 3 is lowered to the low position, then the hand wheel 2-6 is operated to enable the pushing beam 2-5 to move forwards, the material tray is pushed, and the unloading of the materials is assisted.
2) Material dragging type transportation
The clamping assembly is arranged on a hook 13 of the lifting assembly, the lifting plate 3 is controlled to be lowered to a low position, two fork arms of the cross-shaped fork arm 15 are manually separated, the two clamping bases 16 are separated, materials are located between the two clamping bases 16, then the lifting plate 3 is lifted, the clamping assembly and the lifting assembly are lifted, the two clamping bases 16 are moved close to each other and clamp the materials in the middle, after the lifting assembly and the lifting assembly are stable, an operator operates the small short-distance conveying device to move, after the lifting plate reaches a destination, the lifting plate 3 is controlled to be lowered to the low position, the materials fall on the ground, and the materials are released as the cross-shaped fork arm 15 continues to descend.