CN212473606U

CN212473606U - Electronic year thing stair-climbing device convenient to adjustment pull rod length

Info

Publication number: CN212473606U
Application number: CN202021082916.3U
Authority: CN
Inventors: 李�根; 仪国卿
Original assignee: Shandong Nade Machinery Technology Co ltd
Current assignee: Shandong Nade Machinery Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-05
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an electric loading stair climbing device convenient for adjusting the length of a pull rod, which belongs to the technical field of carrying devices and comprises a base frame and a pull rod, wherein pull rod sleeves are arranged on two sides of the base frame, the pull rod comprises two sliding rods and a cross rod, the two sliding rods respectively extend into the pull rod sleeves, locating parts are arranged in the pull rod sleeves, each locating part is provided with a first surface and a second surface, and a driving piece for driving the locating part to rotate is arranged on the base frame; the utility model discloses a driving piece drive locating part rotates, makes the locating part switch between first state and second state, and when the locating part was in the first state, the locating part can effectual location and fixed pull rod, and when the locating part was in the second state, the pull rod can be free move in the pull rod cover, through the driving piece can effectual regulation pull rod stretch out length, simple structure, convenient operation, great reduction the work load of regulation pull rod length, improved the utility model discloses at the convenience that uses, improved and carried the thing and climbed building handling efficiency.

Description

Electronic year thing stair-climbing device convenient to adjustment pull rod length

Technical Field

The utility model relates to a handling device technical field, concretely relates to electronic year thing stair-climbing device convenient to adjustment pull rod length.

Background

The electric stair climbing machine is mainly divided into a carrying stair climbing machine and a manned stair climbing machine. Carry thing and climb building machine and be used for commodity circulation transport field often, can help the light transport heavy object of people upstairs and downstairs. The loading stair climbing machine generally comprises a base frame capable of moving on stairs, a walking wheel and a loading plate arranged at the bottom of the base frame, a stair climbing assembly for lifting the base frame from one stair to the other stair, and a pull rod which is arranged at the top of the base frame and can adjust the length.

In-process that the thing climbs building machine year thing is carried in the use, receive the specification of carrying the thing, the width of stair, the height of stair step, the influence of factors such as height between the floor, in order to be more laborsaving and be convenient for control, the user need adjust the length of the pull rod of carrying the thing machine of climbing often, under the normal conditions, it is heavier to carry the load of thing machine of climbing, when the length of adjustment pull rod, need at first place the thing machine of climbing in can stably placing the region (like the platform department that stair turned to), just can adjust, the adjustment mode of the flexible length of the pull rod of the current thing machine of climbing building is carried very inconvenient, and, in the in-service use, often need adjust pull rod length in the use according to the stair situation of difference, this is very big has increased the work load when using the current thing machine of climbing of carrying, and great reduction work efficiency.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of electronic year thing of being convenient for adjust pull rod length climbs building device, the flexible length of regulation pull rod that can be convenient, simple structure, convenient operation, very big improvement the convenience when using, improved work efficiency.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

an electric loading stair climbing device convenient for adjusting the length of a pull rod comprises a base frame and the pull rod, wherein a loading plate is arranged on one side of the bottom of the base frame, walking wheels and a stair climbing assembly are arranged on the other side of the bottom of the base frame, pull rod sleeves are respectively arranged on two sides of the top of the base frame, the pull rod comprises two parallel sliding rods and a cross rod for connecting the two sliding rods, the two sliding rods respectively extend into the pull rod sleeves, limiting parts are respectively arranged in the pull rod sleeves, each limiting part is provided with a first surface and a second surface, and driving parts for driving the limiting parts to rotate are arranged on the base frame; the limiting piece has a first state and a second state, and the first surface is abutted to the surface of the sliding rod in the first state; when the sliding rod is in the second state, the closest point of the limiting piece and the surface of the sliding rod is located on the second surface, and a gap exists between the second surface and the surface of the sliding rod.

As a preferred technical scheme, the stair climbing assembly comprises a motor and a rotating arm, the motor is fixed on the base frame, an output shaft of the motor is connected with the center of the rotating arm, and rollers are arranged at two ends of the rotating arm.

As a preferred technical scheme, a control assembly connected with the motor is arranged on the cross rod.

As a preferable technical solution, a minimum distance between the first surface and the rotation axis of the limiting member is not less than a maximum distance between the second surface and the rotation axis of the limiting member.

In a preferred embodiment, the first surface is an arc surface, and the second surface is a plane.

As a preferable technical solution, a rotation axial direction of the stopper is perpendicular to an axial direction of the slide rod.

As a preferred technical scheme, the driving piece is arranged between the two pull rod sleeves, the driving piece is arranged as a rotating handle, and two ends of the rotating handle are respectively connected with the two limiting pieces.

The utility model has the advantages of that:

the utility model discloses a driving piece can drive the locating part and rotate to make the locating part switch between first state and second state, when the locating part is in the first state, the locating part can effectual location and fixed pull rod, when the locating part is in the second state, the pull rod can be free remove in the pull rod cover, thereby can effectual regulation pull rod's reach out length through the driving piece, simple structure, convenient operation, great reduction the work load of regulation pull rod length, thereby improved the utility model discloses at the convenience that uses, improved and carried the thing and climbed building handling efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of an electric loading stair climbing device convenient for adjusting the length of a pull rod of the utility model;

fig. 2 is a schematic structural view of a limiting member and a sliding rod of the electric loading stair climbing device convenient for adjusting the length of the pull rod of the present invention;

fig. 3 is a schematic structural view of a locating part in the electric loading stair climbing device convenient for adjusting the length of the pull rod.

In the figure: 1-base frame, 11-carrying plate, 12-walking wheel, 13-stair climbing assembly, 14-pull rod sleeve, 2-pull rod, 21-sliding rod, 22-cross rod, 23-control assembly, 3-limiting piece, 31-driving piece, 32-first surface and 33-second surface.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides an electric loading stair climbing device convenient for adjusting the length of a pull rod, which comprises a base frame 1 and a pull rod 2, wherein a loading plate 11 is arranged at one side of the bottom of the base frame 1, and the loading plate 11 is used for loading goods; the other side of the bottom of the base frame 1 is provided with a walking wheel 12 and a stair climbing assembly 13, the walking wheel 12 is convenient for the utility model to move on a plane, and the stair climbing assembly 13 is used for lifting the utility model from one stair to another stair; two sides of the top of the base frame 1 are respectively provided with a pull rod sleeve 14, the pull rod 2 comprises two sliding rods 21 arranged in parallel and a cross rod 22 connecting the two sliding rods 21, and the top ends of the two sliding rods 21 are usually connected by the cross rod 22 for being convenient to grasp; the two sliding rods 21 respectively extend into the pull rod sleeve 14, and the two sliding rods 21 can respectively slide in the pull rod sleeve 14 along the axial direction of the sliding rods 21; the draw bar sleeve 14 is internally provided with a limiting piece 3, the limiting piece 3 is provided with a first surface 32 and a second surface 33, the base frame 1 is provided with a driving piece 31 for driving the limiting piece 3 to rotate, the limiting piece 3 has a first state and a second state, and the driving piece 31 drives the limiting piece 3 to rotate, so that the limiting piece 3 is switched between the first state and the second state; in the first state, the first surface 32 abuts against the surface of the slide lever 21 to prevent the slide lever 21 from freely sliding, thereby positioning the slide lever 21; in the second state, the closest point between the limiting member 3 and the surface of the sliding rod 21 is located on the second surface 33, and a gap exists between the second surface 33 and the surface of the sliding rod 21, that is, the limiting member 3 is separated from the sliding rod 21, so that the sliding rod 21 can slide freely.

On the basis of the above embodiment, the stair climbing assembly 13 includes a motor and a rotating arm, the motor is fixed on the base frame 1, the output shaft of the motor is connected with the center of the rotating arm, both ends of the rotating arm are provided with rollers, the motor drives the rotating arm to rotate around the center of the rotating arm, when the roller at one end of the rotating arm is contacted with the ground, the utility model can be supported and moved to the direction of the step of another step, the rotating arm continuously rotates, the roller at the other end of the rotating arm is contacted with the surface of the step of another step so as to lift the utility model to another step; the construction and operation of stair climbing assembly 13 is well known in the art and will not be described in further detail herein.

In an embodiment of the present invention, the control assembly 23 connected to the motor is disposed on the cross bar 22, and the control assembly 23 is used for controlling the on/off and output power of the motor, so as to adjust the stair climbing speed of the present invention; specifically, control assembly 23 can include a plurality of control button, and every control button can control the motor respectively and be in a plurality of states such as open, close, output first power, output second power, the realization that corresponds the utility model discloses a start, close, climb the building with first speed, climb states such as building with the second speed.

In an embodiment of the present invention, the minimum distance between the first surface 32 and the rotation axis of the position-limiting member 3 is not less than the maximum distance between the second surface 33 and the rotation axis of the position-limiting member 3, so as to ensure that the first surface 32 can abut against the surface of the sliding rod 21 during the rotation of the position-limiting member 3, and the second surface 33 always has a gap with the surface of the sliding rod 21.

On the basis of the above embodiment, the first surface 32 is set as an arc surface, and the second surface 33 is set as a plane, which is convenient for processing, and only one planar second surface 33 needs to be milled on the cylindrical limiting member 3; of course, in other embodiments of the present application, the second surface 33 may also be a concave surface or a convex surface, as long as the second surface 33 does not contact with the surface of the sliding rod 21 when the limiting member 3 rotates.

The utility model discloses an in one embodiment, the axis of rotation of locating part 3 is perpendicular with the axial of slide bar 21, and the locating part 3 of being convenient for switches between first state and second state, and is further, and the locating part 3 that is located two pull rod cover 14 should be located same height, and coaxial rotation, can realize the state switch of two locating parts 3 through a driving piece 31, and is easy and simple to handle to the positioning effect to pull rod 2 is better.

The utility model discloses an in one embodiment, driving piece 31 is located between two pull rod cover 14, and driving piece 31 is established to rotating the handle, and the both ends of rotating the handle are connected with two locating parts 3 respectively, rotate two locating parts 3 of handle simultaneous control through one and rotate, in concrete use, can hold the pull rod 2 by one hand, and the handle is rotated in the control of another hand, even the utility model discloses climbing the building in-process, also can be simple convenient length of adjusting the pull rod 2, great improvement the convenience of using.

It should be noted that, as shown in fig. 3, two ends of the limiting member 3 may be provided with a rotating groove, and the limiting member 3 can freely rotate by embedding the rotating groove in the sleeve wall of the pull rod sleeve 14, of course, in other embodiments of the present application, a fixed shaft may also be arranged in the pull rod sleeve 14, the limiting member 3 is rotatably sleeved on the fixed shaft, and the limiting member 3 can also freely rotate, and the connection structure between the limiting member 3 and the pull rod sleeve 14 is subject to the effect that the limiting member 3 can freely rotate in the pull rod sleeve 14; the limiting member 3 and the driving member 31 can be fixedly connected by means of bolts, welding or integral molding.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric loading stair climbing device convenient for adjusting the length of a pull rod is characterized by comprising a base frame and the pull rod, wherein a loading plate is arranged on one side of the bottom of the base frame, walking wheels and a stair climbing assembly are arranged on the other side of the bottom of the base frame, pull rod sleeves are respectively arranged on two sides of the top of the base frame, the pull rod comprises two parallel sliding rods and a cross rod for connecting the two sliding rods, the two sliding rods respectively extend into the pull rod sleeves, limiting parts are respectively arranged in the pull rod sleeves, each limiting part is provided with a first surface and a second surface, and a driving part for driving the limiting part to rotate is arranged on the base frame; the limiting piece has a first state and a second state, and the first surface is abutted to the surface of the sliding rod in the first state; when the sliding rod is in the second state, the closest point of the limiting piece and the surface of the sliding rod is located on the second surface, and a gap exists between the second surface and the surface of the sliding rod.

2. The electric loading stair climbing device convenient for adjusting the length of the pull rod as claimed in claim 1, wherein the stair climbing assembly comprises a motor and a rotating arm, the motor is fixed on the base frame, an output shaft of the motor is connected with the center of the rotating arm, and rollers are arranged at two ends of the rotating arm.

3. The electric loading stair climbing device convenient for adjusting the length of the pull rod as claimed in claim 2, wherein the cross bar is provided with a control component connected with the motor.

4. The device of claim 1, wherein the minimum distance between the first surface and the rotation axis of the position-limiting member is not less than the maximum distance between the second surface and the rotation axis of the position-limiting member.

5. The device of claim 1, wherein the first surface is a circular arc surface and the second surface is a flat surface.

6. The electric loading stair climbing device convenient for adjusting the length of the pull rod as claimed in claim 1, wherein the rotation axial direction of the limiting member is perpendicular to the axial direction of the sliding rod.

7. The electric loading stair climbing device convenient for adjusting the length of the pull rod as claimed in claim 1, wherein the driving member is disposed between the two pull rod sleeves, the driving member is a rotating handle, and two ends of the rotating handle are respectively connected to the two limiting members.