CN206086830U - Dual -purpose handcart of cat ladder lifts - Google Patents

Abstract

The utility model discloses a dual-purpose trolley for lifting and climbing ladders, which comprises a vehicle frame assembly and a shelf assembly; The lower end of the legs is provided with a front wheel; the shelf assembly includes a rectangular shelf body and a supporting plate, and a driving mechanism is provided on the supporting plate, and the driving mechanism includes a driving shaft, a driven shaft, a driving bevel gear, a driven cone Gears, intermediate gears, drive shafts and drive gears; on the lower side of the shelf body, two racks are provided at positions corresponding to the two drive gears, the length direction of the racks is consistent with the length direction of the shelf body, and the two racks are respectively Mesh with two drive gears. The utility model can realize ladder-climbing, lifting, loading and unloading of goods, and has good stability, labor saving and convenient operation.

Description

A dual-purpose trolley for lifting and climbing

technical field

The utility model relates to a transportation device, in particular to a lifting ladder trolley for carrying articles upstairs and loading and unloading goods up and down.

Background technique

At present, couriers use traditional trolleys to carry goods for short distances, but when loading and unloading heavier goods, traditional trolleys cannot achieve the purpose, and couriers need to rely on manpower to complete the work. When handling heavy goods, the courier can carry the goods up and down the stairs through the existing crawler-type, step-supporting and other devices on the market, but these devices are expensive for ordinary couriers, and the device structure is complicated. The unit will not work if there is no power or the motor is damaged.

The above-mentioned traditional trolleys and crawlers or step-supported stair climbing machines either have single functions, or are complex in structure and expensive, and cannot meet the requirements of ordinary couriers in terms of handling, loading and unloading of goods.

Utility model content

In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a dual-purpose trolley for lifting and climbing ladders, which can carry out ladder transportation, lifting loading and unloading of goods, and has good stability, labor saving and convenient operation.

In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a dual-purpose trolley for lifting and climbing ladders, characterized in that it includes a frame assembly and a shelf assembly; the frame assembly includes a support plate and a rectangular frame body, the lower middle part of the frame body is fixedly connected to the support plate through the support column, and a support leg is respectively provided on both sides of the support plate, and the support leg is connected to the support plate through the connection plate in rotation, and the lower end of the support leg Front traveling wheels are provided; the shelf assembly includes a rectangular shelf body and a load-bearing pallet, the shelf body and the frame body are arranged side by side up and down, and the length direction of the shelf body and the frame body is consistent; extending on both sides of the frame body Guide rails are provided in the length direction, and sliders are provided on the corresponding guide rails on both sides of the shelf body. The shelf body and the frame body are slidably connected together through the cooperation of sliders and guide rails; the carrying pallet is fixedly connected to one end of the shelf body. , and perpendicular to the shelf body; a foot is provided on the side of the supporting pallet away from the shelf body, and the supporting foot is rotatably connected with the carrying pallet;

A driving mechanism is provided on the support plate, and the driving mechanism includes a driving shaft, a driven shaft, a driving bevel gear, a driven bevel gear, an intermediate gear, a driving shaft and a driving gear; the driving shaft is installed through two bearings and a bearing seat On the support plate, and its length direction is perpendicular to the length direction of the frame body, one end of the drive shaft protrudes from one side of the frame body and is connected with a hand-operated disc, and the other end extends to the middle of the support plate and is connected to the The driving bevel gear is connected; the driven shaft is also installed in the middle of the support plate through two bearings and a bearing seat, and its length direction is consistent with the length direction of the frame body; the driven bevel gear and the driven shaft are close to the driving bevel gear One end of the drive shaft is connected to one end and meshed with the driving bevel gear; the drive shaft is also installed on the support plate through two bearings and a bearing seat, its length direction is perpendicular to the length direction of the frame body, and the drive shaft is located above the driven shaft; The intermediate gear is sleeved and fixed on the drive shaft, and is located directly above the driven shaft. On the driven shaft, a thread is provided at a position corresponding to the intermediate gear, and the intermediate gear meshes with the thread to form a worm gear Worm mechanism; there are two driving gears, both of which are sheathed and fixed on the driving shaft, and the two driving gears are respectively close to the two ends of the driving shaft;

On the lower side of the shelf body, there are two racks corresponding to the positions of the two driving gears, the length direction of the racks is consistent with the length direction of the shelf body, and the two racks are meshed with the two driving gears respectively.

Further, two rear traveling wheels are provided on the lower side of the frame body near the end of the supporting pallet.

Further, the connecting plate has an arc-shaped hole, and the upper end of the support leg is connected to the connecting plate through a connecting bolt passing through the arc-shaped hole.

Further, the driving bevel gear is a bull gear, and the driven bevel gear is a pinion gear.

Compared with the prior art, the utility model has the following advantages:

1. Use the alternate operation of the frame and the shelf to carry the goods up and down the stairs, so as to effectively achieve the purpose of labor saving; the pure mechanical structure is adopted, the operation is more convenient, the stability is better, and no external power is required, which is more energy-saving .

2. Use the self-locking function of the worm turbine to realize the accidental sliding of the shelf when no one is operating it.

3. In addition to assisting people to carry heavy objects up and down the stairs, the device can also lift heavy objects to facilitate loading and unloading of heavy objects. At the same time, it has the function of a trolley for running on flat roads. It is more practical and easy to use.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a side view of the utility model.

Fig. 3 is a structural schematic diagram of the frame assembly.

Figure 4 is a top view of the frame assembly.

In the figure: 1—supporting plate, 2—frame body, 3—supporting leg, 4—connecting plate, 5—front traveling wheel, 6—shelf body, 7—loading pallet, 8—guiding rail, 9—leg, 10 - driving shaft, 11 - driven shaft, 12 - driving bevel gear, 13 - driven bevel gear, 14 - intermediate gear, 15 - driving shaft, 16 - driving gear, 17 - hand disc, 18 - rack, 19—rear traveling wheel.

detailed description

The utility model will be further described below in conjunction with accompanying drawings and embodiments.

Embodiment: Referring to Fig. 1 to Fig. 4, a trolley for lifting and climbing ladders includes a frame assembly and a shelf assembly. The frame assembly includes a support plate 1 and a rectangular frame body 2, the lower middle part of the frame body 2 is fixedly connected to the support plate 1 through a support column, and a support leg 3 is respectively provided on both sides of the support plate 1, The supporting legs 3 are rotatably connected with the supporting plate 1 through the connecting plate 4 , and the front traveling wheels 5 are arranged at the lower ends of the supporting legs 3 . In the actual processing process, the connecting plate 4 has an arc-shaped hole, and the upper end of the supporting leg 3 is connected with the connecting plate 4 through a connecting bolt passing through the arc-shaped hole. During the adjustment process, the position of the supporting leg 3 can be adjusted , the state of the supporting legs 3 can also be adjusted, so that the adjustment range is wider, and the practicality of the whole trolley is further improved.

The shelf assembly includes a rectangular shelf body 6 and a supporting plate 7 , the shelf body 6 and the vehicle frame body 2 are arranged side by side up and down, and the length direction of the shelf body 6 and the vehicle frame body 2 is consistent. Both sides of vehicle frame body 2 are provided with guide rail 8 along its length direction, and corresponding guide rails 8 are provided with sliders at both sides of shelf body 6. Together. The supporting pallet 7 is fixedly connected with one end of the shelf body 6, and is perpendicular to the shelf body 6; a leg 9 is provided on the side of the carrier pallet 7 away from the shelf body 6, and the supporting leg 9 is rotationally connected with the carrier pallet 7 . Two rear traveling wheels 19 are provided near the end of the supporting plate 7 on the lower side of the vehicle frame body 2; like this, it is smoother and more labor-saving during the walking process.

A driving mechanism is provided on the support plate 1 , and the driving mechanism includes a driving shaft 10 , a driven shaft 11 , a driving bevel gear 12 , a driven bevel gear 13 , an intermediate gear 14 , a driving shaft 15 and a driving gear 16 . Described drive shaft 10 is installed on the support plate 1 by two bearings and bearing seat, and its length direction is perpendicular to the length direction of vehicle frame body 2, and one end of this drive shaft 10 stretches out from the side of vehicle frame body 2 and is connected with A hand disc 17 is connected, and the other end extends to the middle of the support plate 1 and is connected with the driving bevel gear 12 . The driven shaft 11 is also installed in the middle of the support plate 1 through two bearings and a bearing seat, and its length direction is consistent with the length direction of the frame body 2; the driven bevel gear 13 and the driven shaft 11 are close to the driving bevel gear One end of 12 is connected, and meshes with driving bevel gear 12. Wherein, the driving bevel gear 12 is a large gear, and the driven bevel gear 13 is a pinion; in this way, the operation process can further save labor, and the efficiency is higher. The drive shaft 15 is also installed on the support plate 1 through two bearings and a bearing seat, its length direction is perpendicular to the length direction of the frame body 2, and the drive shaft 15 is located above the driven shaft 11; the intermediate gear 14 sets Set and fixed on the driving shaft 15, and located directly above the driven shaft 11, on the driven shaft 11, a thread is provided at the position corresponding to the intermediate gear 14, and the intermediate gear 14 meshes with the thread to form a worm gear Worm mechanism; during specific implementation, the lead angle of the thread on the driven shaft 11 is less than or equal to 3°, so that the worm mechanism has a self-locking function. There are two driving gears 16 , both of which are sheathed and fixed on the driving shaft 15 , and the two driving gears 16 are respectively close to two ends of the driving shaft 15 .

On the lower side of the shelf body 6, two tooth racks 18 are arranged at the positions corresponding to the two driving gears 16. Mesh together.

During use:

1. Climbing stairs

In the process of climbing stairs, support the ground with the rear walking wheels 19 of the frame body 2, then turn the hand disc 17 clockwise, and use the transmission of the rack and pinion 18 to realize the rising of the shelf; The supporting feet 9 on the bearing plate 7 support the step surface, and then shake the handle counterclockwise to realize the vehicle frame rising; repeat the above actions to achieve the purpose of climbing stairs.

2. Go downstairs

The process of going downstairs is opposite to the process of climbing the stairs. At first still support the ground with the rear walking wheel 19 of the vehicle frame body 2, then turn the hand disc 17 counterclockwise to make the shelf drop to the next step, and then use the support feet 9 on the shelf Rotate the hand disc 17 clockwise as a support point to lower the vehicle frame by one step, and repeat the above actions to achieve the purpose of going downstairs easily.

3. Lifting

Stand up the vehicle frame (make the vehicle frame and supporting legs 3 in a herringbone shape) during the leveling process, use the end of the vehicle frame close to the rear walking wheel 19 to support the ground to lock the tires, and then turn the hand disc clockwise or counterclockwise 17 to realize the lifting or lowering of the shelf, so as to realize the loading and unloading of goods.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than limit the technical solution. Those skilled in the art should understand that those who modify or replace the technical solution of the utility model without departing from The purpose and scope of the technical solution should be included in the claims of the utility model.

Claims (4)

1. A dual-purpose handcart for lifting and climbing ladders, characterized in that: it includes a frame assembly and a shelf assembly; the frame assembly includes a support plate and a rectangular frame body, and the lower middle part of the frame body is connected to the The support plate is fixedly connected, and a support leg is respectively provided on both sides of the support plate, and the support leg is rotatably connected with the support plate through the connection plate, and a front wheel is provided at the lower end of the support leg; the shelf assembly includes a rectangular shelf body and Carrying pallets, the shelf body and the vehicle frame body are arranged side by side up and down, and the length direction of the shelf body and the vehicle frame body is consistent; guide rails are provided on both sides of the vehicle frame body along the length direction, and corresponding guide rails are provided on both sides of the shelf body. There is a slider, the shelf body and the frame body are slidably connected together through the cooperation of the slider and the guide rail; the bearing pallet is fixedly connected to one end of the shelf body and is perpendicular to the shelf body; when the load pallet is away from the shelf body, One side is provided with a foot, and the foot is rotatably connected with the supporting plate; A driving mechanism is provided on the support plate, and the driving mechanism includes a driving shaft, a driven shaft, a driving bevel gear, a driven bevel gear, an intermediate gear, a driving shaft and a driving gear; the driving shaft is installed through two bearings and a bearing seat On the support plate, and its length direction is perpendicular to the length direction of the frame body, one end of the drive shaft protrudes from one side of the frame body and is connected with a hand-operated disc, and the other end extends to the middle of the support plate and is connected to the The driving bevel gear is connected; the driven shaft is also installed in the middle of the support plate through two bearings and a bearing seat, and its length direction is consistent with the length direction of the frame body; the driven bevel gear and the driven shaft are close to the driving bevel gear One end of the drive shaft is connected to one end and meshed with the driving bevel gear; the drive shaft is also installed on the support plate through two bearings and a bearing seat, its length direction is perpendicular to the length direction of the frame body, and the drive shaft is located above the driven shaft; The intermediate gear is sleeved and fixed on the drive shaft, and is located directly above the driven shaft. On the driven shaft, a thread is provided at a position corresponding to the intermediate gear, and the intermediate gear meshes with the thread to form a worm gear Worm mechanism; there are two driving gears, both of which are sheathed and fixed on the driving shaft, and the two driving gears are respectively close to the two ends of the driving shaft; On the lower side of the shelf body, there are two racks corresponding to the positions of the two driving gears, the length direction of the racks is consistent with the length direction of the shelf body, and the two racks are meshed with the two driving gears respectively. 2. A trolley for lifting and climbing ladders according to claim 1, characterized in that two rear traveling wheels are provided on the lower side of the frame body near the end of the supporting pallet. 3. The trolley for both lifting and climbing ladders according to claim 1, wherein the connecting plate has an arc-shaped hole, and the upper end of the supporting leg is connected to the connecting plate through a connecting bolt passing through the arc-shaped hole . 4. The trolley for both lifting and climbing ladders according to claim 1, wherein the driving bevel gear is a large gear, and the driven bevel gear is a small gear.