CN112298303A

CN112298303A - Stable-support type electric stair-climbing wagon

Info

Publication number: CN112298303A
Application number: CN202011113803.XA
Authority: CN
Inventors: 徐同德; 马二利
Original assignee: Zhangjiagang Herui Medical Equipment Co ltd
Current assignee: Zhangjiagang Herui Medical Equipment Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-02-02

Abstract

The invention discloses a stable support type electric stair climbing and pulling truck, which comprises a walking mechanism, a bearing mechanism, an electric push rod, a battery pack and a controller, wherein the bearing mechanism is arranged on the walking mechanism, a bottom frame of the walking mechanism is of an obtuse angle structure, the bottom frame is provided with a first hinged plate, the bearing mechanism comprises a horizontal frame, a vertical frame, a fixed frame, an extension frame and a holding rod, the horizontal frame is provided with a second hinged plate, the second hinged plate is hinged with the first hinged plate through a hinged column, the horizontal frame is provided with a bearing plate, the lower end of the bearing plate is abutted against a plurality of gaskets on the horizontal part of the bottom frame, the horizontal frame is connected with the bottom frame through the electric push rod, the bearing plate is adjusted to be in a horizontal state relative to the ground through adjusting the electric push rod in the stair climbing process of the stair climbing truck, so that goods are in the horizontal state and are prevented from being positioned on, the goods can be prevented from sliding downwards when the goods are in an inclined state, and the goods can be stably supported when the wagon is pulled to climb the stairs.

Description

Stable-support type electric stair-climbing wagon

Technical Field

The invention relates to the technical field of cargo carrying vehicles, in particular to a stable support type electric stair climbing cargo carrying vehicle.

Background

In the family life, often need to carry some heavy objects upstairs downstairs, the manpower transport is very hard, consequently needs to use electronic stair-climbing to pull freight train, and current electronic stair-climbing pulls freight train and generally all is simpler and easy, has certain not enough.

The common electric stair climbing and cargo carrying vehicle is simple in structure, can not be used for fixedly supporting carrying heavy objects with different sizes, particularly when the stair climbing and cargo carrying vehicle is changed from a horizontal moving state to a stair climbing state, due to the change of operation postures, cargoes are prone to shaking, the supporting stability is insufficient, the danger is high, and in the downstairs, due to the fact that inertia reasons can occur, the electric stair climbing and cargo carrying vehicle can move downwards quickly, and therefore the vehicle is out of control, and high danger exists.

Disclosure of Invention

The invention aims to provide a stably-supported electric stair-climbing wagon, wherein in the stair climbing process, a bearing plate is adjusted to be in a horizontal state relative to the ground from an inclined state through adjusting an electric push rod, so that goods are in the horizontal state, the goods are prevented from being positioned on the bearing plate in the inclined state, the goods can be prevented from sliding downwards when being in the inclined state, and the stable support of the goods when the wagon climbs the stairs is realized.

In order to achieve the purpose, the invention adopts the technical scheme that: a stable support type electric stair climbing trolley comprises a travelling mechanism, a bearing mechanism, an electric push rod, a battery pack and a controller, wherein the bearing mechanism is installed on the travelling mechanism, the travelling mechanism comprises a bottom frame and a pair of travelling units arranged on two opposite sides of the bottom frame, the bottom frame is of an obtuse angle structure, an installation plate is arranged at the corner of the bottom frame, a first hinged plate is arranged on the installation plate, the bearing mechanism comprises a horizontal frame, a vertical frame, a fixed frame, an extension frame and a holding rod, the vertical frame is fixed on one side of the horizontal frame, the fixed frame is installed in the vertical frame, the extension frame is telescopically arranged in the fixed frame, the holding rod is arranged at the upper end of the extension frame, a second hinged plate is arranged on one side, close to the vertical frame, of the horizontal frame, and the second hinged plate is hinged with the first hinged plate through a hinged column, the horizontal frame is provided with a bearing plate, the lower end of the bearing plate is abutted to the plurality of gaskets on the upper horizontal part of the bottom frame, and the horizontal frame is connected with the bottom frame through an electric push rod.

As a further optimization, the walking unit comprises a driving motor, a crawler and a pair of synchronizing wheels, the pair of synchronizing wheels are in synchronous transmission connection through the crawler, and one synchronizing wheel is in transmission connection with the driving motor fixed on the bottom frame; the track is a rubber track.

As a further optimization, the second hinge plate is provided with a chamfer.

As a further optimization, a slope plate is arranged on one side, far away from the vertical frame, of the bearing plate.

As a further optimization, a mounting vertical plate is arranged on the fixed frame, a battery pack bearing plate is arranged at the lower end of the mounting vertical plate on the fixed frame, a pair of clamping grooves are symmetrically arranged on the mounting vertical plate, a pair of positioning plates are arranged at two opposite sides of the battery pack, the pair of positioning plates are correspondingly clamped in the pair of clamping grooves, and the lower end of the battery pack is abutted against the upper end of the battery bearing plate; the battery pack is provided with a handle.

As further optimization, the top that lies in the installation riser on the fixed frame is equipped with the backup pad, the below that lies in the installation riser on the vertical frame is equipped with the bottom suspension fagging, upward install the curb plate on backup pad and the bottom suspension fagging, the curb plate is located and is close to loading board one side.

As a further optimization, the upper end and the lower end of the side plate are respectively provided with an upper folding edge and a lower folding edge, the lower end of the upper folding edge abuts against the upper end of the upper supporting plate and is locked by a first bolt sequentially penetrating through the upper folding edge and the lower folding edge, and the lower end of the lower folding edge is positioned and abutted against the upper end of the lower supporting plate.

As a further optimization, a plurality of positioning holes are formed in the extension frame from top to bottom, a through hole is formed in the fixing frame, and the extension frame is locked in the fixing frame through a second bolt which sequentially penetrates through the through hole and the positioning holes coaxial with the through hole.

As a further optimization, the extension frame is provided with a reinforcing transverse plate.

As a further optimization, the fixed frame is provided with a pair of first mounting holes, the first mounting holes are internally provided with rotating wheels, and two opposite sides of the bottom frame are provided with a pair of second mounting holes which can be inserted with the rotating wheels.

Compared with the prior art, the invention has the following beneficial effects:

1. in the process of climbing stairs, the loading plate is adjusted to be in a horizontal state relative to the ground from an inclined state by adjusting the electric push rod, so that the goods are in the horizontal state, the goods are prevented from being positioned on the loading plate in the inclined state, the goods can be prevented from sliding downwards in the inclined state, and the goods can be stably supported when the goods cart climbs the stairs;

2. through different locating holes on the extension frame and the through hole phase-match on the fixed frame, make the extension frame be located the length difference outside the fixed frame, be applicable to and bear the weight of the removal to the goods of co-altitude not.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a view of the other side of the present invention.

Fig. 3 is a structural view of the electric putter of the present invention mounted on a traveling mechanism.

Fig. 4 is a structural view of the carrying mechanism of the present invention.

FIG. 5 is a block diagram of the extension frame and grip of the present invention.

Fig. 6 is a structural view of the electric putter of the present invention in operation.

FIG. 7 is a schematic view of the electric putter of the present invention when it is operated and the extension frame is not extended.

FIG. 8 is a schematic view of the electric putter of the present invention during operation and with the extension frame extended.

Fig. 9 is a structural view of the runner of the present invention mounted on the bottom frame.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 9, a stable support type electric stair climbing and pulling cart comprises a traveling mechanism 10, a carrying mechanism 20, an electric pushing rod 30, a battery pack 40 and a manipulator 50, wherein the carrying mechanism 20 is mounted on the traveling mechanism 10, the traveling mechanism 10 comprises a bottom frame 101 and a pair of traveling units 11 arranged on two opposite sides of the bottom frame 101, the bottom frame 101 has an obtuse angle structure, a mounting plate 103 is arranged at a corner of the bottom frame 101, a first hinge plate 104 is arranged on the mounting plate 103, the carrying mechanism 20 comprises a horizontal frame 201, a vertical frame 202, a fixed frame 203, an extension frame 204 and a holding rod 205, the vertical frame 202 is fixed on one side of the horizontal frame 201, the fixed frame 203 is mounted in the vertical frame 202, the extension frame 204 is telescopically arranged in the fixed frame 203, the holding rod 205 is arranged at the upper end of the extension frame 204, a second hinge plate 206 is arranged on one side of the horizontal, the second hinge plate 206 is hinged with the first hinge plate 104 through a hinge column, a bearing plate 207 is mounted on the horizontal frame 201, the lower end of the bearing plate is abutted against a plurality of pads 102 on the upper horizontal part of the bottom frame 101, and the horizontal frame 201 is connected with the bottom frame 101 through an electric push rod 30.

In the invention, the walking unit and the bottom frame which is in an obtuse angle structure have the same bending form, namely, the walking unit is provided with a horizontal part and an inclined part, the walking unit extends from the horizontal part to the inclined part, and the inclined part is beneficial to pulling the truck to climb up from the horizontal plane, so that the posture conversion can be better carried out; when the goods are horizontally placed on the bearing plate on the plane ground, when climbing stairs, the electric push rod can work by controlling the controller, one side of the horizontal frame, which is far away from the second hinged plate, is jacked up by the hinged rotation of the first hinged plate and the second hinged plate, the bearing plate is in an inclined state, and forms a shape shown in figure 4.

The walking unit 11 comprises a driving motor 112, a crawler belt 113 and a pair of synchronizing wheels 111, the pair of synchronizing wheels 111 are in synchronous transmission connection through the crawler belt 113, one synchronizing wheel 111 is in transmission connection with the driving motor 112 fixed on the bottom frame 101, a protective cover can be arranged on the outer side of the driving motor to protect the driving motor, the driving motor is electrically connected with a battery pack, the rotating speed of the driving motor can be controlled through a controller, the stair climbing speed of the walking unit is further controlled, and stable supporting of goods when the goods-pulling vehicle climbs a building is achieved; the track 113 is a rubber track, is more suitable for the ground, can avoid bearing the weight of the damage that causes ground when the goods is heavier.

The second hinge plate 206 has a chamfer 2061, which has a yielding function and can smoothly realize the rotation of the bearing mechanism.

One side of the loading plate 207, which is far away from the vertical frame 202, is provided with a slope plate 210, and by means of the slope plate, the loading plate can be conveniently pushed up by goods, so that an auxiliary supporting effect is achieved.

The fixing frame 203 is provided with an installation vertical plate 208, a battery pack bearing plate 2032 is arranged at the lower end of the installation vertical plate 208 on the fixing frame 203, a pair of clamping grooves 2081 is symmetrically arranged on the installation vertical plate 208, a pair of positioning plates are arranged at two opposite sides of the battery pack 40, the pair of positioning plates are correspondingly clamped in the pair of clamping grooves 2081, the lower end of the battery pack 40 is abutted against the upper end of the battery bearing plate 2032, the installation form of the battery pack is simple, the battery pack can be fixed on the fixing frame through clamping at two sides and abutting at the bottom, and the battery pack can be taken down for charging and; be equipped with handle 401 on the group battery 40, the handle makes things convenient for moving of group battery to get and the installation.

The top that lies in installation riser 208 on fixed frame 203 is equipped with backup pad 2031, the below that lies in installation riser 208 on vertical frame 202 is equipped with bottom suspension fagging 2021, upward install curb plate 209 on backup pad 2031 and the bottom suspension fagging 2021, curb plate 209 is located and is close to loading board 207 one side, one side through being close to the loading board on fixed frame sets up the curb plate, can have the side direction to the great goods that bear and support, stable support function has, can avoid simultaneously drawing the freight train to remove in-process goods and collide with the group battery, the effect that has the protection group battery.

The upper end and the lower end of the side plate 209 are respectively provided with an upper folded edge and a lower folded edge, the lower end of the upper folded edge abuts against the upper end of the upper supporting plate 2031 and is locked by a first bolt 2091 sequentially penetrating through the upper and the lower folded edges, the lower end of the lower folded edge is positioned and abutted against the upper end of the lower supporting plate 2021, and the quick mounting of the side plate in the dismounting can be realized by the fixing action of the first bolt.

More specifically, can set up reference column 2022 respectively in backup pad and the lower support plate, set up the mounting hole respectively on last hem and lower hem, locate the mounting hole cover and realize quick location on the reference column, make things convenient for the quick accurate installation of curb plate.

A plurality of positioning holes 2041 are formed in the extension frame 204 from top to bottom, a through hole is formed in the fixing frame 203, the extension frame 204 is locked in the fixing frame 203 through second bolts 2042 which sequentially penetrate through the through hole and the positioning holes 2041 which are coaxial with the through hole, as shown in fig. 7 and 8, when different positioning holes in the extension frame are matched with the through hole in the fixing frame, the extension frame is different in length outside the fixing frame, and the extension frame is suitable for carrying and moving goods with different heights.

The extension frame 204 has a reinforcing cross plate 2043, which can ensure the overall structural strength of the extension frame.

Be equipped with a pair of first mounting hole 2033 on fixed frame 203, be equipped with runner 60 in the first mounting hole 2033, the relative both sides of underframe 101 are equipped with the second mounting hole 105 of a pair of pluggable runner 60, runner cartridge is in the first mounting hole of the last backup pad that is located fixed frame under the conventional conditions, when bearing the weight of goods, or empty load needs the quick travel when this climbs building and pull cargo the goods, take off the runner in the first mounting hole, install it in the second mounting hole, supporting role through the runner carries out auxiliary stay and quick travel to the walking unit.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A stable support type electric stair climbing and cargo pulling vehicle comprises a walking mechanism (10), a bearing mechanism (20), an electric push rod (30), a battery pack (40) and a controller (50), wherein the bearing mechanism (20) is installed on the walking mechanism (10), the stable support type electric stair climbing and cargo pulling vehicle is characterized in that the walking mechanism (10) comprises a bottom frame (101) and a pair of walking units (11) arranged on two opposite sides of the bottom frame (101), the bottom frame (101) is of an obtuse angle structure, a mounting plate (103) is arranged at a corner of the bottom frame (101), a first hinge plate (104) is arranged on the mounting plate (103), the bearing mechanism (20) comprises a horizontal frame (201), a vertical frame (202), a fixed frame (203), an extension frame (204) and a holding rod (205), the vertical frame (202) is fixed on one side of the horizontal frame (201), the fixed frame (203) is installed in the vertical frame (202), the extension frame (204) is telescopically arranged in the fixed frame (203), a holding rod (205) is arranged at the upper end of the extension frame, a second hinged plate (206) is arranged on one side, close to the vertical frame (202), of the horizontal frame (201), the second hinged plate (206) is hinged to the first hinged plate (104) through a hinged column, a bearing plate (207) is installed on the horizontal frame (201), the lower end of the bearing plate abuts against a plurality of gaskets (102) of the upper horizontal portion of the bottom frame (101), and the horizontal frame (201) is connected with the bottom frame (101) through an electric push rod (30).

2. The stably supported electric stair climbing cart according to claim 1, wherein said traveling unit (11) comprises a driving motor (112), a crawler (113) and a pair of synchronizing wheels (111), wherein said pair of synchronizing wheels (111) are synchronously driven and connected through the crawler (113), and one synchronizing wheel (111) is driven and connected with the driving motor (112) fixed on the bottom frame (101); the crawler belt (113) is a rubber crawler belt.

3. The stable support type electric stair climbing cart according to claim 1, wherein the second hinge plate (206) has a chamfer (2061) thereon.

4. The stably supported electric stair climbing wagon of claim 1 wherein a ramp plate (210) is provided on the loading plate (207) on the side remote from the vertical frame (202).

5. The stable support type electric stair climbing and pulling truck as claimed in claim 1, wherein a mounting riser (208) is arranged on the fixing frame (203), a battery pack bearing plate (2032) is arranged at the lower end of the mounting riser (208) on the fixing frame (203), a pair of clamping grooves (2081) is symmetrically arranged on the mounting riser (208), a pair of positioning plates is arranged at two opposite sides of the battery pack (40), the pair of positioning plates are correspondingly clamped in the pair of clamping grooves (2081), and the lower end of the battery pack (40) abuts against the upper end of the battery bearing plate (2032); the battery pack (40) is provided with a handle (401).

6. The electric stair climbing trolley with the stable support according to claim 5, wherein an upper support plate (2031) is arranged on the fixed frame (203) above the mounting riser (208), a lower support plate (2021) is arranged on the vertical frame (202) below the mounting riser (208), side plates (209) are arranged on the upper support plate (2031) and the lower support plate (2021), and the side plates (209) are arranged on one side close to the bearing plate (207).

7. The stably supported electric stair climbing wagon according to claim 6, wherein the upper end and the lower end of the side plate (209) are respectively provided with an upper folded edge and a lower folded edge, the lower end of the upper folded edge abuts against the upper end of the upper support plate (2031) and is locked by a first bolt (2091) sequentially penetrating through the upper folded edge and the lower folded edge, and the lower end of the lower folded edge is positioned to abut against the upper end of the lower support plate (2021).

8. The stably supported electric stair-climbing trolley according to claim 1, wherein the extension frame (204) is provided with a plurality of positioning holes (2041) from top to bottom, the fixed frame (203) is provided with a through hole, and the extension frame (204) is locked in the fixed frame (203) by a second bolt (2042) passing through the through hole and the positioning hole (2041) coaxial with the through hole in sequence.

9. The stably supported electric stair-climbing cart according to claim 1, wherein said extension frame (204) has a reinforcement cross plate (2043) thereon.

10. The stable support type electric stair climbing truck according to claim 1, wherein the fixed frame (203) is provided with a pair of first mounting holes (2033), the first mounting holes (2033) are provided with rotating wheels (60), and the opposite sides of the bottom frame (101) are provided with a pair of second mounting holes (105) for inserting the rotating wheels (60).