CN209939711U - Friction type travelling mechanism for single-rail conveyor - Google Patents

Abstract

The utility model relates to a friction formula running gear for monorail transport machine, in order to solve the running gear high in manufacturing cost of monorail transport machine among the prior art, easily wear and tear and can not be applicable to the problem of complicated topography, provided a technical scheme and be: a friction type travelling mechanism for a monorail conveyor comprises a square tube track, an upper combined driving wheel and a lower combined driving wheel which travel synchronously; the upper surface and the lower surface of the square pipe rail are provided with knurled stripes for enhancing friction; the upper combined driving wheel and the lower combined driving wheel are respectively in rolling connection with the upper surface and the lower surface of the square pipe track; the upper combined driving wheel and the lower combined driving wheel both comprise tires and hubs; the tire is sleeved on the hub; tires are made from styrene. The utility model discloses manufacturing is simple, low in manufacturing cost, simple to operate, bearing capacity is strong, climbing ability is strong, can adapt to complicated region.

Description

Friction type travelling mechanism for single-rail conveyor

Technical Field

The utility model relates to a friction formula running gear for single track cargo airplane, mainly used single track cargo airplane.

Background

In the current single-track transport machinery, a common travelling mechanism adopts the meshing of a gear and a rack and the meshing of a gear and a toothed hole. However, the conventional rack-and-pinion type (see fig. 5) and rack-and-pinion type (see fig. 6) traveling mechanisms are not suitable for a region with a complicated topography due to their structure and climbing ability. Most of racks of the rack and pinion type traveling mechanism are bent into a rack shape by sheet metal, and the structure has poor bearing capacity, weak climbing capacity and high processing complexity and cost; most of the tooth holes of the gear tooth hole type travelling mechanism adopt a square tube opening mode, and the structure is difficult to machine, high in machining precision requirement, high in manufacturing cost and easy to wear. Therefore, these monorail transport machines are costly, have a short service life, and cannot meet complex terrain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, low in manufacturing cost, and the climbing performance is good, installs convenient to use's a friction formula running gear for single track cargo airplane.

The utility model provides a technical scheme that above-mentioned problem adopted is: the friction type travelling mechanism for the monorail conveyor comprises a square pipe track, an upper combined driving wheel and a lower combined driving wheel which travel synchronously; the upper surface and the lower surface of the square pipe rail are provided with knurled stripes for enhancing friction; the upper combined driving wheel and the lower combined driving wheel are respectively in rolling connection with the upper surface and the lower surface of the square tube track. When the utility model is used for walking, the upper and lower combined driving wheels are driven to roll, and the walking function is realized by the friction force between the combined driving wheels and the square pipe track; when the utility model is braked, the center distance between the two combined driving wheels is changed by controlling the hydraulic oil cylinder, so that the friction force between the combined driving wheels and the square pipe track is increased to stop walking, thereby realizing the braking function; the utility model provides a square pipe track adopts annular knurl processing, can increase the frictional force of contact surface, and track processing is simple, need not weld rack, trompil again like traditional handicraft, and bending radius reduces, does benefit to the installation and passes through, and manufacturing cost and installation cost reduce by a wide margin.

Preferably, the upper combined driving wheel and the lower combined driving wheel of the utility model both comprise a tire and a wheel hub; the tire is sleeved on the hub.

Preferably, the tire of the present invention is made of styrene. Styrene has good friction performance, wear resistance and weather resistance, and can have a certain deformation.

Preferably, in the present invention, the hub is made of metal.

Preferably, in the utility model discloses in last combination drive wheel and lower combination drive wheel all are connected with the actuating mechanism of single track cargo airplane.

Preferably, in the present invention, the rotation directions of the upper combined driving wheel and the lower combined driving wheel are opposite. Because two combination drive wheels distribute respectively in square pipe orbital top and below, the rotation direction of two combination drive wheels is opposite for two combination drive wheels are the same with orbital frictional force direction, thereby realize the walking.

Preferably, in the present invention, the cross-sectional dimension of the square pipe rail is 50cm by 50 cm.

Preferably, the square pipe rail of the utility model is made of galvanized steel. The galvanized steel pipe has hard and wear-resistant surface layer and can generate larger friction force when being contacted with styrene tires.

Preferably, the friction type travelling mechanism for the monorail conveyor further comprises a supporting swing seat, a movable block and a hydraulic oil cylinder; the supporting swing seat is connected with the lower combined driving wheel through a bearing; the movable block is connected with the supporting swing seat; the hydraulic oil cylinder is connected with the movable block. The hydraulic oil cylinder can act on the supporting swing seat through the movable block; the stroke change of the hydraulic oil cylinder can lead the supporting swing seat to swing, thereby changing the center distance between the upper combined driving wheel and the lower combined driving wheel and simultaneously leading the friction force between the upper combined driving wheel, the lower combined driving wheel and the square pipe track to change.

Preferably, the hydraulic cylinder is provided with an angle sensor. The angle sensor can detect the angle change of the square tube track, so that a signal is sent to the monorail conveyor to change the friction during travelling.

Compared with the prior art, the utility model, have following advantage and effect:

1. the utility model has simple processing and manufacturing, low manufacturing cost and convenient installation; after knurling the square tube rail, the friction is larger, the bearing capacity is strong and can reach 300 kg; the climbing capacity is strong, and the maximum climbing angle can reach 60 degrees; the device has strong capability of adapting to complex regions and can adapt to various regions with narrow space, large up-down (or ladder) gradient and steep gradient.

2. The utility model discloses well single track cargo airplane controls the walking speed and the braking of machine through the frictional force between two combination drive wheels and the square tube track, and this kind of friction formula drive mode can play fine overload protection meeting under the great or overloaded condition of slope, makes the machine can not take place incident such as swift current car to can reduce the orbital wearing and tearing of square tube, increase the orbital life in square tube.

Drawings

Fig. 1 is a front view structure diagram of a friction type traveling mechanism for a monorail conveyor in the embodiment of the present invention.

Fig. 2 is a schematic view of the square tube track, the upper combined driving wheel and the lower combined driving wheel in the embodiment of the present invention.

Fig. 3 is a left side view structure diagram of the square pipe track, the upper combined driving wheel and the lower combined driving wheel in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the square tube track in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a prior art gear-and-socket type traveling mechanism.

Fig. 6 is a schematic structural view of a rack and pinion type traveling mechanism in the related art.

In the figure: the square tube track comprises a square tube track 1, an upper combined driving wheel 2, a lower combined driving wheel 3, a cylindrical ball head gear 4, a square rail 5 with a hole, a gear 6, a rack 7, a supporting swing seat 8, a movable block 9, a hydraulic oil cylinder 10, a frame 11, a tire 21 and a wheel hub 22.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 4, the friction type traveling mechanism for the monorail conveyor in the embodiment includes a square pipe track 1, a supporting swing seat 8, a movable block 9, a hydraulic cylinder 10, and an upper combined driving wheel 2 and a lower combined driving wheel 3 which travel synchronously; the upper surface and the lower surface of the square pipe rail 1 are provided with knurled stripes for enhancing friction; the upper combined driving wheel 2 and the lower combined driving wheel 3 are respectively connected with the upper surface and the lower surface of the square pipe track 1 in a rolling way; the upper combined driving wheel 2 and the lower combined driving wheel 3 are both connected with a driving mechanism of the monorail conveyor; the rotation directions of the upper combined driving wheel 2 and the lower combined driving wheel 3 are opposite; the supporting swing seat 8 is connected with the lower combined driving wheel 3 through a bearing; the movable block 9 is connected with the supporting swing seat 8; the hydraulic oil cylinder 10 is connected with the movable block 9; an angle sensor is arranged on the hydraulic oil cylinder 10. The supporting swing seat 8 in the embodiment is connected to a rack 11 of the monorail conveyor through a pin shaft, and the supporting swing seat 8 can swing up and down; the hydraulic cylinder 10 is fixed on the frame 11 through bolts.

When the utility model is used for walking, the driving mechanism of the single-rail conveyer drives the upper combined driving wheel 2 and the lower combined driving wheel 3 to roll, and the walking function is realized by the friction force between the upper combined driving wheel 2, the lower combined driving wheel 3 and the square tube track 1; the utility model discloses during the braking, single-track transport machine's actuating mechanism stops to the centre-to-centre spacing of combination drive wheel 2, lower combination drive wheel 3 is gone up in the change, makes the pressure increase between combination drive wheel 2, lower combination drive wheel 3 and the square pipe track 1, and frictional force also increases to stopping to walk, thereby realizes the brake function.

The square tube track 1 in the embodiment is made of galvanized steel; the cross-sectional dimension of the track 1 is 50cm x 50 cm; the upper combined driving wheel 2 and the lower combined driving wheel 3 both comprise a tire 21 and a wheel hub 22; the tyre 21 is sleeved on the hub 22; the tire 21 is made of styrene; the hub 22 is made of metal. In the embodiment, the tire 21 made of styrene is in direct contact with the square pipe rail 1, the square pipe rail 1 is made of galvanized steel pipes, the surface layers of the galvanized steel pipes are hard and wear-resistant, and the tire 21 made of styrene has a certain deformation amount and can generate a large friction force when being in direct contact with the tire.

The operation process of the embodiment is as follows: when the square pipe track 1 is in a horizontal state, the stroke of the hydraulic oil cylinder 10 is unchanged, the center distance between the upper combined driving wheel 2 and the lower combined driving wheel 3 is also unchanged, the friction force generated between the upper combined driving wheel 2 and the lower combined driving wheel 3 and the square pipe track 1 is kept unchanged, and the monorail conveyor runs at a constant speed; when the square pipe track 1 is in an inclined state, the walking of the monorail conveyor needs larger friction force, the angle sensor sends a signal, the monorail conveyor controls the stroke of the hydraulic oil cylinder 10 to be increased, and pushes the movable block 9, so that the support swing seat 8 can be pushed to swing upwards, the center distance between the upper combined driving wheel 2 and the lower combined driving wheel 3 is reduced, the friction force among the upper combined driving wheel 2, the lower combined driving wheel 3 and the square pipe track 1 is increased, and the monorail conveyor can still normally walk when the square pipe track 1 is in an inclined state; during braking, the stroke of the hydraulic oil cylinder 10 reaches the maximum, so that the center distance between the upper combined driving wheel 2 and the lower combined driving wheel 3 reaches the minimum, and at the moment, the friction force between the upper combined driving wheel 2 and the lower combined driving wheel 3 and the square pipe track 1 reaches the maximum and is greater than the driving force, so that the purpose of braking is achieved.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A friction type travelling mechanism for a monorail conveyor comprises a square tube track (1); it is characterized by also comprising an upper combined driving wheel (2) and a lower combined driving wheel (3) which walk synchronously; the upper surface and the lower surface of the square pipe rail (1) are provided with knurled stripes for enhancing friction; the upper combined driving wheel (2) and the lower combined driving wheel (3) are respectively in rolling connection with the upper surface and the lower surface of the square pipe track (1).

2. Friction running mechanism for monorail conveyors according to claim 1, characterized in that said upper (2) and lower (3) combination drive wheels each comprise a tyre (21) and a hub (22); the tire (21) is sleeved on the hub (22).

3. Friction running gear for monorail conveyors according to claim 2, characterized in that said tires (21) are made of styrene.

4. The friction running mechanism for monorail conveyors of claim 2, characterized in that said hub (22) is of metal.

5. Friction running mechanism for monorail conveyors according to claim 1, characterized in that said upper (2) and lower (3) composite driving wheels are connected to the driving mechanism of the monorail conveyor.

6. Friction running gear for monorail conveyors according to claim 5, characterized in that the rotation direction of the upper (2) and lower (3) combination drive wheels is opposite.

7. Friction running mechanism for monorail haulage machines according to claim 1, characterized in that said square tube track (1) has cross-sectional dimensions of 50cm by 50 cm.

8. The friction running mechanism for monorail conveyors of claim 1, characterized in that said square tube track (1) is made of galvanized steel.

9. The friction running mechanism for monorail conveyors of claim 1, characterized in that it further comprises a support rocker (8), a movable block (9) and a hydraulic cylinder (10); the supporting swing seat (8) is connected with the lower combined driving wheel (3) through a bearing; the movable block (9) is connected with the supporting swing seat (8); the hydraulic oil cylinder (10) is connected with the movable block (9).

10. Friction running mechanism for monorail conveyors according to claim 9, characterized in that said hydraulic rams (10) are provided with an angle sensor.

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