CN106628820A - Up-and-down bending type belt conveyor - Google Patents

Abstract

The invention relates to an up and down bending belt conveyor, which comprises a conveyor belt, two front outriggers and two rear outriggers, and a front rotating shaft is rotatably connected between the two front outriggers, and the front rotating shaft is movable There is a reversing roller, the two ends of the front rotating shaft are vertically rotated and connected with a front fixed rod extending horizontally forward, the front ends of the two front fixed rods are rotated and connected with a driving roller, and the two rear legs are rotated and connected with a rear A rotating shaft, an upper tensioning roller is arranged above the rear rotating shaft, two rear fixing rods extending backward are connected behind the two rear legs, and a driven roller is connected between the rear ends of the two rear fixing rods, and the conveyor belt Winding between the driven drum and the driving drum. The invention can realize the maximum 90° upward bending of the conveyor belt, realize the transportation of different slopes within the bending range of 1 to 30°, and is equipped with a buffer and tensioning device to prevent damage to the conveyor belt caused by excessive folding There is a certain flexibility in utilization, which can effectively save space.

Description

An up and down bending belt conveyor

technical field

The invention relates to an up and down bending belt conveyor, which belongs to the technical field of conveying equipment.

Background technique

Belt conveyor is the most important bulk material conveying and loading and unloading equipment, which can be widely used in mining, metallurgy, building materials, chemical industry, electric power, food processing and other industrial fields, in coal mines, metal mines, iron and steel enterprises, ports, cement plants, etc. A large number of applications of belt conveyors can be seen everywhere. Transportation machinery can not only complete the transportation of bulk materials, but also can be used to transport finished materials. There will also be a big difference in the application. For the existing short-distance belt conveyors, vertical bending has not yet been performed, thus occupying a relatively large space.

A belt conveyor is a friction driven machine that transports material in a continuous manner. It can form a material conveying process from the initial feeding point to the final unloading point on a certain conveying line. It can not only transport broken materials, but also transport finished items. At present, most of the research on belt conveyors stays on long-distance horizontal bending transportation or long-distance inclined transportation, and the space occupancy rate is high; there is no relevant literature report on the research on short-distance vertically bending belt conveyor belts. .

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an up and down bending belt conveyor, which can realize the upward and downward bending of the conveyor belt at 0°-90°, and can realize inclined transportation when bending at 1-30° ;When bending, there is a buffer device and a tensioning device at the folding place to prevent the conveyor belt from being damaged due to excessive folding, and it can be bent at 90° when there is no work, which has certain advantages in the utilization of horizontal space. Flexible, can effectively save space.

Technical scheme of the present invention is as follows:

An up and down bending belt conveyor, comprising a conveyor belt, two front outriggers and two rear outriggers, characterized in that a front rotating shaft is rotatably connected between the two front outriggers, and the front rotating shaft is movable There is a reversing roller, and the two ends of the front shaft rotate vertically and are connected with a front fixed rod extending horizontally forward. The front ends of the two front fixed rods are rotated and connected with a driving roller, and one of the front fixing rods is provided with a drive roller. connected driving motor, the driving motor drives the driving roller to rotate, a rear rotating shaft is connected between the two rear legs, an upper tensioning roller is arranged above the rear rotating shaft, a driven gear is connected to one end of the rear rotating shaft, and the front rotating shaft is connected to the driven roller. One end of the same side of the driving gear is provided with a driving gear meshing with the driven gear, and the driving gear is driven and connected with a tensioning motor; two rear fixing rods extending backward are connected behind the two rear outriggers, and the two rear fixing rods A driven roller is rotatably connected between the rear ends, and the conveyor belt is wound between the driven roller and the driving roller.

Preferably in the present invention, a lower tensioning roller is arranged between the two rear legs, the lower tensioning roller is located between the upper conveyor belt and the lower conveyor belt, and tension springs are connected below both ends of the lower tensioning roller.

Further preferably, one end of the tension spring is fixed below one end of the lower tensioning roller, and the other end is fixedly connected to the rear leg.

Further preferably, the axes of the lower tension roller, the upper tension roller and the rear rotating shaft are arranged in parallel on a vertical plane.

Preferably in the present invention, the rear rotating shaft is located above the upper conveyor belt, the two ends of the rear rotating shaft are fixedly connected with upward supporting frames, and the upper tensioning roller is rotatably connected between the supporting frames and is parallel to the rear rotating shaft.

Preferably in the present invention, bottom support rods are respectively connected between the two front fixing rods and the two front outriggers.

Preferably in the present invention, the front rotating shaft is connected to the tops of the two front legs, and front bearings are respectively arranged at both ends of the front rotating shaft, and the front rotating shaft is connected to the front legs through the front bearings.

Preferably in the present invention, the rear rotating shaft is connected to the tops of the two rear supporting legs, rear bearings are respectively arranged at both ends of the rear rotating shaft, and the rear rotating shaft is connected to the rear supporting legs through the rear bearings.

Preferably in the present invention, the driving roller and the driven roller are reversed, and the upward bending of the driven roller side can still be realized.

Preferably in the present invention, the front shaft and the rear shaft are arranged in parallel, and the distance between them is the sum of the pitch circle radii of the two meshing gears.

Preferably in the present invention, the driving motor is connected with the driving roller through a coupling.

Preferably in the present invention, an L-shaped support rod is provided on the front fixing rod, and the end of the support rod extends above the upper conveyor belt, and the end of the support rod is provided with a cargo arrival sensor.

When the belt conveyor of the present invention is bent, the bent part of the conveyor belt and the accessory device are bent upwards, the tension motor drives the driving gear and the driven gear to rotate, and then drives the rear rotating shaft to rotate, and the rear rotating shaft drives the upper tensioning roller to reverse Compress the conveyor belt in the opposite direction, so as to achieve the purpose of bending the conveyor upwards, adjust the bending structure, and also realize downward bending in the same way; set the upper tensioning roller and the rear rotating shaft under the belt, and adjust the driving gear accordingly With the driven gear, the bending structure is adjusted to bend downwards to realize the downward bending of the belt.

Beneficial effects of the present invention

1. The present invention can realize a maximum bending of 90° when not in use, and can be unfolded and used normally during operation, which effectively saves space.

2. The present invention is provided with two tensioning rollers, which play the role of tensioning and buffering the conveyor belt when the conveyor belt is bent, preventing the decrease of the service life of the conveyor belt caused by excessive bending and frequent bending.

3. The present invention can realize bending at a maximum of 90°, and can be bent at 1 to 30° according to actual needs during operation to realize transportation with different slopes.

Description of drawings

Fig. 1 is a schematic diagram of the right perspective structure of the present invention.

Fig. 2 is a schematic diagram of the left perspective structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the front view of the present invention.

Fig. 4 is a schematic structural diagram of the present invention in an upturned state from a viewing angle.

Fig. 5 is a schematic structural diagram of the present invention in an upturned state from another perspective.

In the figure: 1 conveyor belt, 2 upper tension roller, 3 rear shaft, 4 driven roller, 5 rear fixed rod, 6 rear bearing, 7 lower tension roller, 8 rear outrigger, 9 tension spring, 10 front bearing , 11 reversing roller, 12 bottom support rod, 13 front outrigger, 14 front fixed rod, 15 driving roller, 16 cargo arrival sensor, 17 support rod, 18 driven gear, 19 driving gear, 20 tensioning motor, 24 drive Motor, 25 shaft couplings, 29 front rotating shafts.

detailed description:

The present invention will be further described below through specific examples, which are used to further illustrate the present invention so that those skilled in the art can further understand the present invention, and should not be construed as limiting the protection scope of the present invention. Everything that is not described in detail in the embodiments is according to the prior art in this field.

Example 1

The present invention takes upward bending as an example, and further explains the present invention in conjunction with the accompanying drawings, but the protection of the present invention is not limited to this method.

An up and down bending belt conveyor, the structure of which is shown in Figures 1, 2 and 3, includes two front outriggers 13 and two rear outriggers 8, and a front rotating shaft is rotatably connected between the two front outriggers 13 29. A reversing roller 11 is movable on the front rotating shaft 29. The two ends of the front rotating shaft 29 rotate vertically and are connected with a front fixed rod 14 extending horizontally forward. A bottom support rod 12 is connected between the front fixed rod 14 and the front leg 13. The front fixed rod 14 is rotatably connected with a drive roller 15 between the front ends of the two front fixed rods 14, and the front fixed rod 14 is provided with a drive motor 24 connected to the drive roller 15; the two rear legs 8 are rotatably connected with a rear rotating shaft 3, The top of the rear rotating shaft 3 is fixedly connected with a support frame, and the support frame is rotatably connected with an upper tension roller 2 parallel to the rear rotating shaft 3. One end of the rear rotating shaft 3 is connected with a driven gear 18, and one end of the front rotating shaft 29 is provided with a driven gear 18. The driving gear 19 is meshed, and the driving gear 19 is driven and connected with a tensioning motor 20; the rear of the two rear legs 8 is connected with two rear fixed rods 5, and the rear ends of the two rear fixed rods 5 are rotatably connected with a driven roller 4. The conveyor belt 1 is wound between the driven roller 4 and the driving roller 15, and the rear rotating shaft 3 is located above the upper conveyor belt 1.

A lower tensioning roller 7 is arranged between the two rear supporting legs 8, and the lower tensioning roller 7 is located between the upper conveyor belt 1 and the lower conveyor belt 1, and a tension spring 9 is connected below the two ends of the lower tensioning roller 7 to pull Stretching spring 9 lower ends are connected on the rear supporting leg 8. An L-shaped support bar 17 is arranged on the front fixed bar 14 , and the end of the support bar 17 extends above the upper conveyor belt 1 , and the end of the support bar 17 is provided with a cargo arrival sensor 16 .

The function of the conveyor belt 1 is to realize the horizontal conveying of goods; the driving roller 15 is used to support the conveyor belt 1 and drive the conveyor belt 1 to rotate; the driven roller 4 is used to support the other end of the conveyor belt 1 to ensure that the conveyor belt 1 stretches out and moves synchronously with the driving roller 15 under the friction of the conveyor belt 1; the reversing roller 11 is used to realize the redirection of the conveyor belt 1 when bending, and at the same time compress the conveyor belt 1 at the lower end; the cargo arrival sensor 16 is used to judge whether the conveyor belt 1 is empty; the upper tension roller 2 is used to tension the conveyor belt when the conveyor belt 1 is bent.

As shown in Figures 4 and 5, when the belt conveyor is bent, the bent part of the conveyor belt 1 and the accessory device are bent upwards, and the tensioning motor 20 drives the driving gear 19 and the driven gear 18 to rotate, and then drives the rear shaft 3 rotates, and the rear rotating shaft 3 drives the upper tension roller 2 to reversely compress the conveyor belt 1, so as to achieve the purpose of bending the conveyor upward. The driving motor 24 provides driving force for the driving drum 15, and the motor of the reversing drum 11 provides torque for the reversing drum 11. The front bearing 10 and the rear bearing 6 are used to fix the rotating shaft; the coupling 25 is used to connect the rotating shaft of the motor and the driven shaft, and transmit the torque to the driven shaft to make the driven shaft rotate; other auxiliary Equipment is used to support and fix the above components.

The conveyor belt 1 realizes the rotational movement through the friction force of the driving roller 15, and its function is to realize the horizontal conveying of goods; The bottom support rod 12 is fixed, and its function is to support the conveyor belt 1 and drive the conveyor belt 1 to rotate. The driven roller 4 fixes its two ends on the symmetrically distributed rear legs 8 through the symmetrically arranged rear fixing rods 5, which are used to support the other end of the conveyor belt 1 to ensure that the conveyor belt 1 stretches Belt 1 moves synchronously with driving roller 15 under the action of friction force. The two ends of lower tensioning drum 7 are fixed on symmetrically distributed rear legs 8 by paired extension springs 9, and its effect is to tension the conveyor belt 1 by the pulling force of extension springs 9 and self gravity tension.

Example 2

A kind of up and down bending type belt conveyor, the structure is the same as that described in embodiment 1, the difference is:

The axes of the lower tensioning roller 7, the upper tensioning roller 2 and the rear rotating shaft 3 are arranged in parallel on a vertical plane, the front rotating shaft and the rear rotating shaft are arranged in parallel, and the distance between them is the sum of the radii of the pitch circles of the two meshing gears , is a preferred technical solution.

comparative example

The horizontally turning belt conveyor disclosed in Chinese patent document 201420281223.5 includes a steel cord conveyor belt and idler roller sets, and the steel cord of the steel cord core includes a cord core, multi-strand steel wires, and another strand of steel wires that are helically wound around the multi-strand steel wires , a plurality of steel wire ropes are composed of the middle steel wire rope close-packed area and the steel wire rope sparse area at both ends; along the material conveying direction, the steel cord conveyor belt is composed of the first straight-line conveying section with a small grooving angle, the first straight-line conveying section with a large grooving angle, and the tubular turning The conveying section, the second straight-line conveying section with the largest grooving angle and the second straight-line conveying section with the smallest grooving angle are composed, and the conveyor belts corresponding to the wire rope dredging areas at both ends of the tubular turning conveying section overlap up and down.

Comparative Experiment:

Comparing the up and down bending belt conveyor of the present invention with the comparative example, the up and down bending belt conveyor of the present invention is different from the comparative example in that the comparative example realizes horizontal bending, while the present invention realizes vertical bending The conveyor belt in the comparative proportion deforms a conveyor belt in stages to realize horizontal bending transportation. The conveyor belt is bent into a tubular shape so that the force on each point in the circumferential direction of the conveyor belt is balanced, which is conducive to turning and reversing. The section of the tubular conveyor belt is turned and reversed, but the conveyor belt is deformed and turned in stages, and it is easy to cause damage to the conveyor belt at the up and down folds and turns, and there is no flexibility in space utilization, and it cannot be carried out. Maximum 90° bending in vertical direction. When bending, the present invention is equipped with a buffer device and a tensioning device to prevent the conveyor belt from being damaged due to excessive folding, and can perform 90° bending when there is no work, and has certain advantages in the utilization of horizontal space. Flexible, save space.

The above description is only the preferred implementation mode of this patent. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of this patent, some improvements and replacements can also be made. These improvements and replacements It should also be regarded as the scope of protection of this patent.

Claims (10)

1. a kind of upper and lower bendable ribbon conveyer, including conveyer belt, two front leg struts and two rear support legs, it is characterised in that Front rotary shaft is rotatably connected between two front leg struts, activity on the front rotary shaft is installed with bend pulley, and the front rotary shaft two ends are hung down The front fix bar of horizontal forward extension is directly rotatably connected to, between two front fix bar front ends drive roll is rotatably connected to, its In the motor being connected with drive roll is provided with a front fix bar, motor drives drive roll to rotate, two Be rotatably connected to rear rotating shaft between rear support leg, the rear rotating shaft top is provided with belt tensioning drum, rear rotating shaft one end be connected with from Moving gear, front rotary shaft is provided with the driving gear being meshed with driven gear, driving tooth wheel driving with one end of driven gear homonymy It is dynamic to be connected with tensioning motor；Two rear support leg rears are connected with fix bar after two for extending back, and two are fixed afterwards rod rear end Between be rotatably connected to follower rollers, conveyer belt is wound between follower rollers and drive roll.

2. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that be provided between two rear support legs Lower belt tensioning drum, the lower belt tensioning drum is located between upper strata conveyer belt and conveying belt of lower floor, and lower belt tensioning drum two ends lower section connects It is connected to extension spring.

3. upper and lower bendable ribbon conveyer according to claim 2, it is characterised in that one end of extension spring is fixed on The lower section of lower belt tensioning drum one end, the other end is fixedly connected on rear support leg.

4. upper and lower bendable ribbon conveyer according to claim 2, it is characterised in that lower belt tensioning drum, upper tensioning rolling Cylinder is with rear rotating shaft three is on a vertical plane and be arranged in parallel.

5. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that it is defeated that the rear rotating shaft is located at upper strata The top of band, the two ends of rear rotating shaft is sent to be fixedly connected with bracing frame upwards, upper belt tensioning drum is rotatably connected between bracing frame, And parallel to rear rotating shaft.

6. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that two front fix bars with two before Collet bar is connected between supporting leg.

7. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that front rotary shaft be connected to two before The top of leg, at the two ends of front rotary shaft fore bearing is respectively arranged with, and front rotary shaft is connected by fore bearing with front leg strut；Rotating shaft afterwards connects The top of two rear support legs is connected on, the bearing after the two ends of rear rotating shaft are respectively arranged with, rear rotating shaft is by rear bearing and rear support leg Connection.

8. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that drive roll and follower rollers pair Adjust, be still capable of achieving the bending upwards to follower rollers side.

9. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that front rotary shaft sets with rear shaft parallel Put, spacing distance is the reference radius sum of two meshing gears.

10. upper and lower bendable ribbon conveyer according to claim 1, it is characterised in that be provided with L-shaped in front fix bar Support bar, the support boom end extends to upper strata conveyer belt top, and supports boom end to be provided with goods to sense in place Device.