CN217676674U - Height-adjustable wheel type transportation device - Google Patents
Height-adjustable wheel type transportation device Download PDFInfo
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- CN217676674U CN217676674U CN202221640761.XU CN202221640761U CN217676674U CN 217676674 U CN217676674 U CN 217676674U CN 202221640761 U CN202221640761 U CN 202221640761U CN 217676674 U CN217676674 U CN 217676674U
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Abstract
The utility model provides a height-adjustable's wheeled conveyer, include: the bicycle comprises a frame, a front wheel assembly and a rear wheel assembly; the front wheel assembly is arranged at the front end of the frame; the front wheel assembly comprises a front wheel, a front wheel connecting arm and a front wheel driving mechanism, one end of the front wheel connecting arm is connected with the front wheel driving mechanism, the other end of the front wheel connecting arm is fixedly connected with a front wheel axle, the front wheel driving mechanism comprises a connecting oil cylinder, the connecting oil cylinder is connected with a frame, and the connecting oil cylinder can stretch and drive the front wheel connecting arm to rotate around the front end of the frame, so that the height of the front end of the frame can be raised or lowered; the rear wheel assembly is arranged at the rear end of the frame and used for driving the wheel type transportation structure to walk and steer. The utility model has the advantages that: the front end of the frame can be lifted, the front wheel frames are arranged on two sides of the ramp of the tail cabin door of the helicopter, so that the bearing of the ramp of the tail cabin door is reduced, and the anti-tipping supporting point of the wheel type transportation structure is moved forwards, so that the cargo transportation is more stable and closer to the cabin door; the operation height of the transportation structure is controlled, and the transportation structure is convenient to work in a low environment.
Description
Technical Field
The utility model belongs to the freight field especially relates to a height-adjustable's wheeled conveyer.
Background
The hoisting and transporting equipment is developed rapidly, various hoisting and transporting equipment is widely applied to the fields of civil engineering, traffic transportation and the like, is used for completing the operations of moving, lifting, loading and unloading and short-distance transportation of goods, and often needs special loading and unloading and transporting equipment to meet the requirements according to different transportation occasions and different loading and unloading environments.
For the cargo transportation of a helicopter cabin or similar loading and unloading environments, the hoisting and transporting environment has certain particularity, and the characteristics of small loading and unloading inlet of a cabin door, low height of an empennage (limiting the action space of hoisting and transporting equipment), low bearing capacity of a tail cabin door and a ramp, difficulty in using roll-on-roll transportation and the like exist. Therefore, when heavy goods need to be transported to the helicopter, common transportation devices such as a general transportation forklift and a crane cannot meet the loading and unloading requirements. Therefore, in order to ensure that heavy goods can be smoothly loaded to or unloaded from the helicopter cabin safely and smoothly, the transportation of the heavy goods by the helicopter becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses general conveyer such as to general transportation fork truck, crane among the prior art all can't satisfy the problem that the heavy goods of helicopter adorned the requirement, provide a height-adjustable's wheeled conveyer.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
a height adjustable wheeled conveyance comprising: the bicycle comprises a frame, a front wheel assembly and a rear wheel assembly; the front wheel assembly is arranged at the front end of the frame; the front wheel assembly comprises a front wheel, a front wheel connecting arm and a front wheel driving mechanism, one end of the front wheel connecting arm is connected with the front wheel driving mechanism, the other end of the front wheel connecting arm is fixedly connected with a front wheel axle so as to form a support for the front end of the frame, the front wheel driving mechanism comprises a connecting oil cylinder, the connecting oil cylinder is connected with the frame, the connecting oil cylinder can stretch and retract to drive the front wheel connecting arm to rotate around the front end of the frame, and the height of the front end of the frame is raised or reduced; the rear wheel assembly is arranged at the rear end of the frame and used for driving the wheel type transportation structure to walk and steer.
Furthermore, the front wheel driving mechanism comprises a front wheel mounting cylinder and a transverse connecting shaft, the front wheel mounting cylinder is fixedly arranged at the front end of the frame, and the transverse connecting shaft is fixedly sleeved in the front wheel mounting cylinder; two ends of the transverse connecting shaft are fixedly connected with wheel shafts of the front wheels through front wheel connecting arms, and two ends of the connecting oil cylinder are respectively hinged with the transverse connecting shaft and the front end of the frame.
Furthermore, the front wheel driving mechanism further comprises a first hanging lug and a second hanging lug which are symmetrically arranged, the length of the transverse connecting shaft is larger than that of the front wheel mounting cylinder, the first hanging lug is fixedly arranged on two sides of the transverse connecting shaft exposed out of the front wheel mounting cylinder, the second hanging lug is fixedly arranged on two sides of the front end of the frame, and two ends of the connecting oil cylinder are respectively hinged with the first hanging lug and the second hanging lug and used for fixing the position of the transverse connecting shaft in the front wheel mounting cylinder.
Furthermore, the connecting oil cylinder is detachably connected with the first hanging lug or the second hanging lug, so that the transverse connecting shaft can rotate around the front wheel mounting cylinder to drive the front wheel connecting arm and the front wheel to be stored below the frame.
Further, the transverse connection axle comprises a fixed portion in the middle section and a telescopic portion symmetrically arranged on two sides, the length of the fixed portion is larger than that of the front wheel installation barrel, one end of the front wheel connecting arm is fixedly connected with the telescopic portion, the front wheel axle at the other end of the front wheel connecting arm is fixedly connected with the front wheel axle, the first hanging lugs are fixedly arranged on two sides of the fixed portion, which are exposed out of the front wheel installation barrel, and the front wheel track can be adjusted through the expansion of the telescopic portion.
Furthermore, the bottom of the front end of the frame is provided with an inclined plane which is used for being abutted against a ramp of a tail cabin door so as to improve the stability of the wheel type transportation structure during cargo loading and unloading.
Furthermore, the front wheel connecting arm is obliquely arranged on the front side of the transverse connecting shaft, so that the distance between the front wheel and the front end of the frame is larger than the distance between the rear wheel and the rear end of the frame, the wheel type transportation structure is convenient to erect on two sides of the ramp of the tail cabin door, the front wheel is not easy to tip forwards, and the support is more stable.
Further, the rear wheel assembly includes: the rear wheel and the rear wheel connecting arm; the two transverse ends of the rear wheel connecting arm are respectively connected with the axle centers of the two rear wheels, so that the rear wheels can rotate around the transverse shaft of the rear wheel connecting arm; the top end of the rear wheel connecting arm is of a slewing bearing structure and is fixedly connected with the rear end of the frame, and the rear wheel can be driven to steer.
Further, the rear wheel assembly further comprises a motor; the motor is arranged in the rear wheel connecting arm and is electrically connected with the axle centers of the two rear wheels.
Furthermore, the frame is provided with a power system and a control system, the power system and the control system are both electrically connected with the motor and the slewing bearing at the top end of the rear wheel connecting arm, the power system provides power for rotation and steering of the rear wheel, and the control system controls the rotation and steering of the rear wheel.
The utility model has the advantages that: the front end of the frame can be lifted, the front wheel frames are arranged on two sides of a tail cabin door ramp of the helicopter, the bearing of the tail cabin door ramp is reduced, and the anti-tipping supporting point of the wheel type transportation structure is moved forwards, so that the cargo transportation is more stable, the depth of cargo entering the cabin door is increased, and the cargo loading and unloading are convenient; the operation height of the transportation structure is controlled, and the transportation structure is convenient to work in a low working environment with specific obstacles; the front wheel connecting arm can rotate around the frame, so that the wheel type transportation structure can be conveniently stored, and the occupied area is reduced.
Drawings
FIG. 1 is a diagram of a height adjustable wheeled transporter scenario application;
FIG. 2 is a schematic view of the overall structure of a height-adjustable wheeled transporter;
FIG. 3 is a schematic diagram of the overall structure of the height-adjustable wheeled transporter II;
FIG. 4 is a bottom view of the height adjustable wheeled transporter;
FIG. 5 is a schematic view of the height adjustable wheeled transporter stowing;
FIG. 6 is a first usage state diagram of the height-adjustable wheeled transporter;
fig. 7 is a second using state diagram of the height-adjustable wheeled transporter.
Detailed Description
For making purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention clearly, completely describe, based on the embodiment of the present invention, all other embodiments obtained by the ordinary skilled person in the art without making creative work all belong to the protection scope of the present invention.
As shown in fig. 1, the height-adjustable wheeled transporter of the present invention includes: the front wheel assembly 2 and the rear wheel assembly 3 are respectively connected to the front end and the rear end of the frame 1, the front wheel assembly 2 can lift the front end of the frame 1, and the distance between the front wheels is larger than the width of the tail cabin door ramp 4, so that the frame 1 can be erected on two sides of the tail cabin door ramp 4, the front end of the frame 1 is prevented from abutting against the tail cabin door ramp 4, and a support point for resisting tipping of a wheel type transportation structure is moved forwards; the rear wheel assembly 3 can drive the freight car to walk and turn.
As shown in fig. 2 to 4, the frame 1 is a transverse supporting component of the wheel type transportation structure, and may be a plate-shaped or frame-shaped structure, the front end and the rear end of the frame 1 are respectively connected with the front wheel assembly 2 and the rear wheel assembly 3 through corresponding driving structures, the frame 1 is provided with a power system and a control system, and the power system and the control system are electrically connected with the driving component in the wheel type transportation structure, and are used for controlling the movement of the wheel type transportation structure and providing power for the driving component; the frame 1 can be correspondingly provided with a hoisting structure 11 which is matched with a wheel type transportation structure to form a complete loading and unloading vehicle so as to facilitate the loading and unloading of goods; the bottom of the front end of the frame 1 is provided with an inclined plane 12, so that the bottom of the frame 1 is better abutted against the tail cabin door ramp 4, the contact area between the frame and the ramp is increased, and the support stability of the wheel type transportation structure during loading and unloading goods is improved.
As shown in fig. 2 and 3, the front wheel assembly 2 is fixedly connected to the front end of the frame 1, and includes: the front wheel connecting arm 22 is fixedly connected with a wheel shaft of the front wheel 21 at one end and is used for supporting the front end of the frame 1; the transverse distance of the front wheels 21 is larger than the width of the ramp 4 of the tail cabin door, and the front wheel driving mechanism 23 is used for lifting the front end of the frame, so that the collision height of the front end of the frame 1 on the ramp 4 of the collision tail cabin door is increased, and the cargo loading and unloading are facilitated.
As shown in fig. 3, the front wheel drive mechanism 23 includes: the front wheel mounting cylinder 231, the transverse connecting shaft 232, the first lug 233, the second lug 234 and the connecting oil cylinder 235; the front wheel mounting cylinder 231 is fixedly arranged at the front end of the frame 1, and the length of the transverse connecting shaft 232 is greater than that of the front wheel mounting cylinder 231, is sleeved in the front wheel mounting cylinder 231 and can rotate around the front wheel mounting cylinder 231; two ends of the transverse connecting shaft 232 are fixedly connected with the wheel axle of the front wheel 21 through the front wheel connecting arms 22 which are symmetrically arranged, and the front wheel 21 rotates around the wheel axle.
The front wheel connecting arm 22 is obliquely arranged towards the front of the frame 1, so that a certain distance is reserved between the front wheel 21 and the front end of the frame 1, the distance is greater than the distance between the rear wheel 31 and the rear end of the frame 1, when the wheel type transportation structure is erected on two sides of the tail cabin door ramp 4, the wheel type transportation structure is not prone to tipping forwards, and the support is more stable.
The first hanging lug 233, the second hanging lug 234 and the connecting oil cylinder 235 are symmetrical components, the first hanging lug 233 is fixedly provided with the transverse connecting shaft 232 which is exposed out of two sides of the front wheel mounting barrel 231, the second hanging lug 234 is fixedly arranged on two sides of the front end of the frame 1, the connecting oil cylinder 235 is a transverse connecting oil cylinder with a short rod structure, and two ends of the connecting oil cylinder 235 are respectively hinged with the first hanging lug 233 and the second hanging lug 234.
The position of the transverse connecting shaft 232 in the front wheel mounting cylinder 231 can be fixed by the extension state of the connecting oil cylinder 235, so that the rotation of the transverse connecting shaft 232 is avoided when the front wheel travels, and the traveling is stable; when the connecting oil cylinder 235 is contracted, the front wheel connecting arm 22 can be driven to rotate around the front end of the frame 1 through the first hanging lug 233 and the transverse connecting shaft 232 in sequence, so that the transverse connecting shaft 232 is forced to jack upwards to drive the front wheel mounting cylinder 231 to be lifted, and the ground clearance of the front end of the whole frame 1 is lifted.
In order to facilitate that the transverse distance of the front wheels 21 can adapt to tail cabin door ramps 4 with different widths, the transverse connecting shaft 232 can be arranged into an oil cylinder structure with two telescopic sides, the middle section is a fixed part, the two sides are symmetrical telescopic parts, the length of the fixed part is greater than that of the front wheel mounting barrel 231, and the two sides of the fixed part can be exposed out of the front wheel mounting barrel 231; the first hangers 233 are fixedly provided on both sides of the fixing portion 2321 of the lateral connecting shaft exposed from the front wheel mounting tube 231.
As shown in fig. 3 and 5, in order to facilitate the storage of the front wheel assembly 2, the hinged position of the connecting cylinder 235 and the first lug 233 or the second lug 234 can be set to be detachable, and when the connecting cylinder 235 is detached from the first lug 233 or the second lug 234, the transverse connecting shaft 232 can rotate around the front wheel mounting tube 231 to drive the front wheel connecting arm 22 and the front wheel 21 to be folded towards the lower part of the frame 1, so that the length and the occupied area of the whole transportation structure are reduced, and the storage is facilitated.
As shown in fig. 4, the rear wheel assembly 3 includes: a rear wheel 31, a rear wheel connecting arm 32; the connecting arm 32 of the rear wheel is of a 'notch' type structure, and two ends of the 'notch' type are respectively connected with the axle centers of the two rear wheels, so that the rear wheel 31 can rotate around the transverse shaft of the connecting arm 32; the top end of the 'notch' type is a pivoting support structure and is fixedly connected with the rear end of the frame 1, and the rear wheel can be driven to steer. The motor is arranged in the rear wheel connecting arm 32 and is connected with the axle center of the rear wheel, and the top end of the rear wheel connecting arm 32 and the motor are electrically connected with the power system and the control system to provide power for the rotation and the steering of the rear wheel.
The wheel spacing of the rear wheels 31 is fixed and lower than the wheel spacing of the front wheels 21 to facilitate steering of the rear wheels 31.
As shown in fig. 6 and 7, the wheel type transportation structure of the present invention has the following usage: the goods to be loaded and unloaded are placed on the frame 1; the rear wheel connecting arms 32 are controlled by a power system and a control system to drive the wheel type transportation structure to be transported to the ramp 4 of the tail cabin door of the helicopter, when the front wheels 21 of the wheel type transportation structure are close to the ramp 4 of the tail cabin door, the steering of the rear wheel connecting arms 32 is adjusted to enable the two front wheels 21 to be erected on two sides of the ramp 4 of the tail cabin door to advance, at the moment, the connecting oil cylinders 235 are in an extension state, the frame 1 enters the tail cabin door in a low posture, the situation that the loading and unloading structure and goods on the frame 1 collide with the tail cabin door in a lower position is avoided, when the bottom of the front end of the frame 1 is close to the ramp 4, the loading and unloading device and goods on the frame 1 penetrate into the cabin door at the moment, the operable height is correspondingly increased, then the connecting oil cylinders 235 are contracted to drive the front end of the frame 1 to be lifted and enable the frame 1 to continue to advance, and finally the inclined plane 12 at the bottom of the frame is abutted to the higher position of the ramp 4, the effect of stably supporting the frame 1 is achieved, the depth of goods entering the cabin door is increased, and goods loading and goods are convenient to load and unload goods.
When the wheel type transportation structure is not used, the connection between the connecting oil cylinder 235 and the first hanging lug 233 or the second hanging lug 234 can be opened, the transverse connecting shaft 232 is rotated to drive the front wheel connecting arm 22 and the front wheel 21 to be folded towards the lower part of the frame 1, the length and the occupied area of the wheel type transportation structure are reduced, and the wheel type transportation structure is convenient to store; or the connecting oil cylinder 235 is directly contracted to the shortest position to lift the front end of the frame 1, so that the front wheel 21 moves backwards, and the length of the transportation structure is reduced.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (10)
1. A height-adjustable wheeled conveyance, comprising: the bicycle comprises a frame, a front wheel assembly and a rear wheel assembly; the front wheel assembly is arranged at the front end of the frame; the front wheel assembly comprises a front wheel, a front wheel connecting arm and a front wheel driving mechanism, one end of the front wheel connecting arm is connected with the front wheel driving mechanism, the other end of the front wheel connecting arm is fixedly connected with a front wheel axle to form a support for the front end of the frame, the front wheel driving mechanism comprises a connecting oil cylinder, the connecting oil cylinder is connected with the frame, the connecting oil cylinder can stretch to drive the front wheel connecting arm to rotate around the front end of the frame, and the height of the front end of the frame is raised or reduced; the rear wheel assembly is arranged at the rear end of the frame and used for driving the wheel type transportation structure to walk and steer.
2. The height-adjustable wheeled conveyance device as claimed in claim 1, wherein the front wheel driving mechanism includes a front wheel mounting tube fixedly provided at the front end of the frame, and a transverse connecting shaft fixedly fitted in the front wheel mounting tube; two ends of the transverse connecting shaft are fixedly connected with wheel shafts of the front wheels through front wheel connecting arms, and two ends of the connecting oil cylinder are respectively hinged with the transverse connecting shaft and the front end of the frame.
3. The height-adjustable wheeled conveyance device according to claim 2, wherein the front wheel driving mechanism further includes first lugs and second lugs symmetrically disposed, the length of the transverse connecting shaft is greater than that of the front wheel mounting tube, the first lugs are fixedly disposed on both sides of the transverse connecting shaft exposed from the front wheel mounting tube, the second lugs are fixedly disposed on both sides of the front end of the frame, and both ends of the connecting cylinder are respectively hinged to the first lugs and the second lugs for fixing the position of the transverse connecting shaft in the front wheel mounting tube.
4. The height-adjustable wheeled conveyance device as claimed in claim 3, wherein the connection cylinder is detachably connected to the first lug or the second lug, so that the transverse connection shaft can rotate around the front wheel mounting tube, and the front wheel connection arm and the front wheel are driven to be stored below the frame.
5. The height-adjustable wheeled conveyance device according to claim 3, wherein the lateral connecting shaft includes a middle section fixed portion and two symmetrically disposed telescopic portions, the fixed portion has a length larger than that of the front wheel mounting tube, one end of the front wheel connecting arm is fixedly connected to the telescopic portion, the other end of the front wheel connecting arm is fixedly connected to the front wheel axle, the first suspension loops are fixedly disposed on both sides of the fixed portion exposed from the front wheel mounting tube, and the telescopic portions are telescopic to adjust the front wheel track.
6. A height adjustable wheeled conveyance according to any one of claims 1 to 5, wherein the frame is provided with a ramp at the bottom of its forward end for abutment with a tailgate ramp to improve stability of the wheeled conveyance structure when loading and unloading goods.
7. A height adjustable wheeled conveyance according to any one of claims 1 to 5, wherein the front wheel attachment arms are inclined forwardly of the transverse attachment axles so that the distance between the front wheels and the front end of the frame is greater than the distance between the rear wheels and the rear end of the frame, thereby facilitating a more stable support and less tendency for the wheeled conveyance structure to tip over forwardly when erected on the sides of the rear hatch ramp.
8. A height adjustable wheeled conveyance as claimed in claim 1, wherein the rear wheel assembly includes: the rear wheel and the rear wheel connecting arm; the two transverse ends of the rear wheel connecting arm are respectively connected with the axle centers of the two rear wheels, so that the rear wheels can rotate around the transverse shaft of the rear wheel connecting arm; the top end of the rear wheel connecting arm is of a slewing bearing structure and is fixedly connected with the rear end of the frame, and the rear wheel can be driven to steer.
9. The height adjustable wheeled conveyance of claim 8, wherein the rear wheel assembly further includes a motor; the motor is arranged in the rear wheel connecting arm and is electrically connected with the axle centers of the two rear wheels.
10. A height adjustable wheeled conveyance as claimed in claim 9, wherein the frame is provided with a power system and a control system, both of which are electrically connected to the motor and the slewing bearing at the top end of the rear wheel connecting arm, the power system providing power for the rotation and steering of the rear wheels, and the control system controlling the rotation and steering of the rear wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640761.XU CN217676674U (en) | 2022-06-28 | 2022-06-28 | Height-adjustable wheel type transportation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640761.XU CN217676674U (en) | 2022-06-28 | 2022-06-28 | Height-adjustable wheel type transportation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217676674U true CN217676674U (en) | 2022-10-28 |
Family
ID=83713719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221640761.XU Active CN217676674U (en) | 2022-06-28 | 2022-06-28 | Height-adjustable wheel type transportation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217676674U (en) |
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2022
- 2022-06-28 CN CN202221640761.XU patent/CN217676674U/en active Active
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