CN205273558U

CN205273558U - Stair climbing conveyer

Info

Publication number: CN205273558U
Application number: CN201520982083.9U
Authority: CN
Inventors: 张坤; 叩殿强; 张波; 张星福; 杜延慧
Original assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2015-12-01
Filing date: 2015-12-01
Publication date: 2016-06-01
Anticipated expiration: 2025-12-01

Abstract

The utility model discloses a stair climbing conveyer, include the automobile body and set up in the first wheelset and the second wheelset of automobile body bottom that first wheelset and second wheelset lie in the both sides of automobile body respectively, first wheelset and second wheelset include three wheel at least, and the centre of a circle of wheel lies in the apex angle of same equilateral polygon, the both ends of axletree are connected respectively in the frame of the centre of form of first wheelset and second wheelset equilateral polygon. The face of marking time and the section of playing face of step can be hugged closely respectively to two wheels when getting out of a predicament or an embarrassing situation, rolls respectively on level and two vertical planes, and when the face of the marking time back of next step of wheel contact of hugging closely the section of playing face, the wheel that lies in the top continues decline gently, completion decline. Preceding wheel is by the contact of the section of playing of step face when topping bar, and the frame can rotate around the centre of a circle of the wheel that is stopped, make another wheel upwards lift with the face of the marking time contact of a last step, just can continue when continuing to promote this moment to move, shift the automobile body onto a last step.

Description

A kind of stair climbing conveyer

Technical field

The utility model relates to material transportation technical field, specifically relates to a kind of stair climbing conveyer.

Background technology

Transportation of materials is a ring very important in production process, particularly for building, transports the critical effect that production process played safely, fast. But the restriction due to place, the transport of material can not only carry out on level land, also needs transporting material between different floors in actual life, and owing to stairway step is not continuous print structure, walkie fork lift truck is very inconvenient when upper going downstairs. In building trade, traditional mode of transport sets up plank on stair, adds cost undoubtedly, and operating efficiency is reduced greatly, causes the waste of manpower, time and materials, the use of the stair having laid plank inconvenient personnel again. When promoting walkie fork lift truck after stairway step is spread plank, need artificial promotion or pulling, it is difficult to when article weight is bigger in go-cart ensure steady promotion, causes great potential safety hazard, operator easily slip tumble injury, the personnel below stair are also easily damaged.

Therefore for a person skilled in the art, how to design and steady labour-saving conveyer when more than one are gone downstairs, can be ensured, be the technical problem being badly in need of at present solving.

Practical novel content

For solving the problems of the technologies described above, the utility model provides a kind of stair climbing conveyer, comprises vehicle body and is arranged at the first wheels bottom described vehicle body and the 2nd wheels, and described first wheels and described 2nd wheels lay respectively at the both sides of described vehicle body; Described first wheels and described 2nd wheels at least comprise three wheels, and the center of circle of described wheel is positioned at the drift angle of same equilateral polygon; The two ends of axletree are connected to the vehicle frame of the centre of form of described first wheels and described 2nd wheels equilateral polygon.

Can selection of land, described first wheels and described 2nd wheels all arrange three described wheels.

Can selection of land, described vehicle frame is the equilateral triangle being connected to the described wheel center of circle, and described equilateral triangle at least arranges two center lines, and described axletree is connected to the point of intersection of two center lines.

Can selection of land, described vehicle frame is all connected by rolling bearing with described wheel with described axletree, described vehicle frame.

Can selection of land, the diameter of described wheel is greater than the half of the described vehicle frame length of side.

Can selection of land, described vehicle frame and described axletree all adopt weldless steel tube to make.

Near the handle side of described vehicle body, pole is set.

Stair provided by the utility model climbing conveyer, the first wheels and the 2nd wheels two groups of car wheel structures it are provided with in the bottom of vehicle body, first wheels and the 2nd wheels lay respectively at the both sides of vehicle body, and the first wheels and the 2nd wheels at least include three wheels, and in each wheels, the center of circle of wheel lays respectively at the drift angle place of same equilateral polygon. When using in normal plane, the first wheels have two wheels to contact with ground with the 2nd wheels respectively, and the stability of operation is higher. And two wheels can be close to the step surface of step and the section of playing face respectively when getting out of a predicament or an embarrassing situation, level and vertical two planes are rolled respectively, move comparatively stably to realize, after the wheel being close to the section of playing face contacts the step surface of next step, vehicle frame is around the rotation of wheel at the tactile end, make another vehicle wheel rotation to, on next step surface, completing decline. Wheel before when topping bar is contacted by the section of the playing face of step, cannot be advanced by stop, now vehicle frame can rotate around the center of circle of the wheel stopped, make another wheel upwards lift the step surface with a upper step to contact, just can continue to run when now continuing to promote, vehicle body is shifted onto a upper step. Therefore the utility model provide climbing conveyer can up/down steps, transport process more steady.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The one-piece construction figure of the stair climbing conveyer that Fig. 1 provides for the utility model;

Fig. 2 is wheel and the structure iron at support place;

Fig. 3 is the state graph of wheel when just getting out of a predicament or an embarrassing situation;

Fig. 4 is the state graph arriving next step under wheel.

Wherein:

Vehicle body 1, first wheels 2, the 2nd wheels 3, wheel 4, vehicle frame 41, axletree 5.

Embodiment

Core of the present utility model is to provide a kind of stair climbing conveyer, it is possible to situation about going downstairs in reply, more smooth-going during transported material on step.

In order to make the technician of this area understand stair provided by the utility model climbing conveyer better, below in conjunction with accompanying drawing and concrete enforcement mode, the technical solution of the utility model is described in detail.

As depicted in figs. 1 and 2, the overall diagram of stair climbing device and the structure iron of vehicle frame wheel that the utility model provides it is respectively. This device has a vehicle body 1, vehicle body 1 can hold various material, it is provided with the first wheels 2 respectively in the bottom of vehicle body 1 and the 2nd wheels 3 two wheels, the first wheels 2 and the 2nd wheels 3 lay respectively at the both sides bottom vehicle body 1, on average shares the weight of vehicle body 1. First wheels 2 and the 2nd wheels 3 at least comprise three wheels 4 respectively, and the shape and size of each wheel 4 are completely identical, that is at least comprise six wheels 4 altogether. The drift angle place of same equilateral polygon is laid respectively in the center of circle that the first wheels 2 and the 2nd wheels 3 often organize wheel 4. Each wheel 4 is all fixed on vehicle frame 41, is rotationally connected by vehicle frame 41 and axletree 5, and vehicle body 1 is arranged on vehicle frame 41, and vehicle frame 41 is for bearing vehicle body 1. Axletree 5 is connected to the first wheels 2 and the centre of form place of the 2nd wheels 3 vehicle frame 41, and therefore vehicle frame 41 each wheel 4 when axletree 5 rotates is positioned at circumferentially same.

The stair climbing conveyer provided in the utility model is provided with two wheel groups, all it is positioned at the bottom of vehicle body 1, when promoting in normal plane, two wheels 4 contact the first wheels 2 with ground with having respectively in the 2nd wheels 3, one has four wheels 4 contacts with ground, more steady relative to original cart structure pushing course. As shown in Figure 3 and Figure 4, the schematic diagram of two states when wheel 4 is got out of a predicament or an embarrassing situation it is respectively. And when running into stairway step, if needing to move downward, a wheel 4 below is positioned on the step surface of stair, and wheel 4 above is rolled on the section of the playing face of step gradually, step surface mentioned here refers to the horizontal plane of stairway step, and the section of playing face refers to the perpendicular of stairway step. Wheel 4 above rolls downwards until contacting with the step surface of next step gradually along the section of playing face, vehicle frame 41 can around the axis rotation of wheel 4 above, the wheel 4 making another unsettled contacts with the step surface of next step, complete the process got out of a predicament or an embarrassing situation, constantly rotating with this just to make three in same wheels wheel 4 constantly be used alternatingly, and completes the process of getting out of a predicament or an embarrassing situation of vehicle.

When needing to go upstairs step, wheel 4 above is stopped by the section of the playing face of step, level cannot be continued move ahead, therefore continuing driven forward vehicle body 1, vehicle frame 41 can rotate around the center of circle of the wheel 4 stopped, a wheel 4 of top therefore can be made to contact with the step in front, the wheel 4 of top touches the step surface of a step, continuing driven forward can make wheel 4 below roll along the section of the playing face of step, thus drives vehicle frame 41 and vehicle body 1 upwards to move forward, finally can be pushed to step. Stair provided by the utility model climbing conveyer can up/down steps comparatively stably, it is not necessary to laying dull and stereotyped on step, the strength required for promotion is less, and go-cart can easily be pushed to push away and get out of a predicament or an embarrassing situation by operator.

Considering in line with saving cost of manufacture, first round line 2 and the 2nd wheels 3 are all set to three wheels 4, and the center of circle of wheel 4 can form an equilateral triangle. The vehicle frame 41 provided in the utility model is the equilateral polygon connecting the formation of multiple wheel 4, and when wheel 4 is set to three, vehicle frame 41 is equilateral triangle, connects the center of circle of three wheels 4 respectively. The vehicle frame 41 of equilateral triangle at least arranges two center lines, center line intersects to form a tie point, the two ends of axletree 5 are connected to the center line point of intersection of two groups of wheels, and it is circumferentially same that vehicle frame 41 makes wheel 4 be positioned at when rotating around axletree 5, and wheel 4 motion can be more steady in use. Certainly, three center lines are all connected to form an intersection point be also possible set-up mode, it is possible to reach higher intensity.

Vehicle frame 41 is connected by rolling bearing with axletree 5, and vehicle frame 41 is connected by rolling bearing with wheel 4, it is possible to make the free smooth pivotal of axletree 5 relative frame 41, and wheel 4 can relative to vehicle frame 41 smooth pivotal. Bearing can select rolling ball bearing or roller bearing etc. can bear the bearing of bigger radial force.

Vehicle frame 41 and axletree 5 all need to bear the bigger load of vehicle body, therefore weldless steel tube can be adopted to make when manufacturing, such as, adopt the steel pipe manufacture of 40*3.5 specification.

In addition in order to can make this device when parking more steady, at vehicle body 1, pole is set near the side of handle, not needing jointly to play a supportive role with wheel 4 when promoting.

Stair provided by the utility model climbing conveyer is provided with the first wheels 2 and the 2nd wheels 3 respectively, two wheels are respectively arranged with three wheels 4, three wheels 4 in each wheels can alternately play a supportive role when topping bar or get out of a predicament or an embarrassing situation, the structure of only two wheels originally is instead of by the method gone forward one by one, particularly in the field of building transport, it is possible to play bigger effect.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are enable to realize or use the utility model. To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein, it is possible to when not departing from spirit or scope of the present utility model, realize in other embodiments. Therefore, the utility model can not be limited in these embodiments shown in this article, but be met the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. a stair climbing conveyer, it is characterized in that, comprise vehicle body (1) and it is arranged at first wheels (2) of described vehicle body (1) bottom and the 2nd wheels (3), described first wheels (2) and described 2nd wheels (3) lay respectively at the both sides of described vehicle body (1); Described first wheels (2) and described 2nd wheels (3) at least comprise three wheels (4), and the center of circle of described wheel (4) is positioned at the drift angle of same equilateral polygon; The two ends of axletree (5) are connected to the vehicle frame (41) of the centre of form of described first wheels (2) and described 2nd wheels (3) equilateral polygon.

2. stair according to claim 1 climbing conveyer, it is characterised in that, described first wheels (2) and described 2nd wheels (3) all arrange three described wheels (4).

3. stair according to claim 2 climbing conveyer, it is characterized in that, described vehicle frame (41) is for being connected to the equilateral triangle in described wheel (4) center of circle, described equilateral triangle at least arranges two center lines, and described axletree (5) is connected to the point of intersection of two center lines.

4. stair according to claim 3 climbing conveyer, it is characterised in that, described vehicle frame (41) is all connected by rolling bearing with described wheel (4) with described axletree (5), described vehicle frame (41).

5. stair according to claim 4 climbing conveyer, it is characterised in that, the diameter of described wheel (4) is greater than the half of described vehicle frame (41) length of side.

6. stair according to claim 5 climbing conveyer, it is characterised in that, described vehicle frame (41) and described axletree (5) all adopt weldless steel tube to make.

7. according to the arbitrary item of claim 1 to 6 stair climbing conveyer, it is characterised in that, near the handle side of described vehicle body (1), pole is set.