CN206927142U - A kind of bendable ribbon conveyer up and down with limit function - Google Patents

Abstract

The utility model relates to an up and down bending belt conveyor with a position-limiting function, which comprises a conveyor belt, two front legs and two rear legs, and a front rotating shaft is rotatably connected between the two front legs. A reversing roller is movable on the front rotating shaft, and the front rotating shaft is connected with a driving roller through a front fixed rod. A limiting leg is arranged between the front rotating shaft and the driving roller and close to the front rotating shaft, and the top of the limiting leg passes through the limiting rotating shaft. The casing is connected to the limit shaft, and the limit shaft is connected to the limiter; the rear shaft is connected to the rotation between the two rear legs, the upper tension roller is arranged above the rear shaft, and the back of the rear leg is connected to the rear fixed rod. The driven roller, the conveyor belt is wound between the driven roller and the driving roller. The utility model can realize the maximum 90° upward bending of the conveyor belt, realize the transportation of different slopes, and is equipped with a buffer device, a tensioning device and a limit device to prevent reversal and damage caused by excessive folding of the conveyor belt. There is a certain flexibility in utilization, which can effectively save space.

Description

An up and down bending belt conveyor with limit function

technical field

The utility model relates to an up and down bending belt conveyor with a position limiting function, 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. The transportation machinery can not only complete the transportation of bulk materials, but also can be used to transport finished materials. And there will be a big difference in the application. For the existing short-distance belt conveyor, 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 utility model provides an up and down bending belt conveyor with a limit function, which can realize the upward and downward bending of the conveyor belt from 0° to 90°; the conveyor is equipped with a limit rotating shaft , ratchets and adjustable ratchet rods can realize transportation at different inclination angles; when bending, there are buffer devices and tensioning devices at the folding place to prevent damage to the conveyor belt caused by excessive folding; and when there is no operation It can be bent at 90° at the same time, and it has certain flexibility in the utilization of horizontal space, which can effectively save space.

The technical scheme of the utility model is as follows:

An up and down bending belt conveyor with limit function, comprising a conveyor belt, two front outriggers and two rear outriggers, characterized in that a front shaft is rotatably connected between the two front outriggers , there is a reversing roller movable on the front rotating shaft, the two ends of the front rotating shaft are vertically rotated and connected with front fixed rods extending horizontally forward, and the front ends of the two front fixed rods are connected with driving rollers, one of which is fixed The rod is provided with a driving motor connected with the driving drum, and the driving motor drives the driving drum to rotate; between the front rotating shaft and the driving drum and close to the front rotating shaft, a limiting leg is arranged, and the limiting leg is fixed at the top of the limiting rotating shaft housing. A limiting shaft with a convex middle section is movable on the housing of the limiting shaft, and the two ends of the limiting shaft are connected with stoppers; a rear shaft is connected to the rotation between the two rear legs, and a rear shaft is arranged above the rear shaft. There is an upper tensioning roller, one end of the rear shaft is connected with a driven gear, and one end of the front shaft on the same side as the driven 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 supports Two rear fixed rods extending backward are connected to the rear of the legs, and a driven roller is rotatably connected between the rear ends of the two rear fixed rods, 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 utility model, the rear rotating shaft is located above the upper conveyor belt, and 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 utility model, the stopper includes a stopper, a pawl and a fixed bracket arranged on the side of the front fixed rod. There are two fixed brackets, and one end of the fixed bracket is movably connected to the limit shaft The two ends, the other end is fixed on the front leg, the ratchet is fixedly connected with a connecting rod, the connecting rod is vertically rotated and connected to the end of the limit rotating shaft, and the ratchet is meshed with the limit device.

Preferably, the utility model is provided with a groove at the end of the front fixed rod close to the front rotating shaft, the back side of the groove is fixed with a power supply, the closed end of the groove is provided with a magnet and a compression spring wound with a coil, and the power supply is electrically connected with the magnet. The magnets and the compression springs are alternately arranged at the bottom of the groove, the opening end of the groove is provided with a ratchet bar, the ratchet bar covers the magnet and the compression spring, and the ratchet bar moves in the groove under the action of the electromagnet and the compression spring.

Preferably in the utility model, a transmission link is connected between the limit rotating shaft and the front rotating shaft.

Further preferably, the transmission connecting rod includes two supporting rods and an intermediate connecting rod. The two ends of the intermediate connecting rod are respectively connected to the two supporting rods through bearings. on the limit shaft.

Preferably in the utility model, the front rotating shaft is connected to the tops of the two front supporting legs, and front bearings are respectively arranged at the two ends of the front rotating shaft, and the front rotating shaft is connected with the front supporting legs through the front bearings.

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

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

Preferably in the utility model, the front rotating shaft, the limit rotating shaft and the rear rotating shaft are arranged in parallel, the distance between the front rotating shaft and the rear rotating shaft is the sum of the radii of the pitch circles of the two meshing gears, and the distance between the front rotating shaft and the limiting rotating shaft is fixed The length of the bracket.

Preferably in the utility model, the driving motor is connected with the driving roller through a shaft coupling.

Preferably in the present invention, an L-shaped support rod is arranged on the front fixing rod, 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 utility model 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 Compress the conveyor belt in the opposite direction, so as to achieve the purpose of bending the conveyor upward. Adjust the bending structure to achieve downward bending in the same way; set the upper tension roller and the rear rotating shaft under the belt, adjust the driving gear and driven gear accordingly, and adjust the bending structure to downward bending , to realize the downward bending of the belt.

Beneficial effects of the utility model

1. The utility model 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 utility model is equipped 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 utility model can realize bending at a maximum of 90°, and is equipped with a limit device to realize multiple limit positions. During operation, bending of 1-30° can be carried out according to actual needs to realize transportation with different slopes and prevent reversal .

Description of drawings

Fig. 1 is a schematic diagram of the right perspective structure of the utility model.

Fig. 2 is a schematic diagram of the left perspective structure of the utility model.

Fig. 3 is a perspective view of the folded right side of the utility model.

Fig. 4 is a schematic diagram of a partial cutaway structure of the front fixing rod of the present invention.

Fig. 5 is a schematic cross-sectional structural schematic diagram of the connection between the limit shaft housing and the limit shaft of the present invention.

Fig. 6 is a three-dimensional structural schematic diagram of the transmission connecting rod of the present invention.

Fig. 7 is a schematic diagram of the left perspective structure of the folded utility model.

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 fixed bracket, 13 front leg, 14 front fixed rod, 14-1 power supply, 14-2 ratchet rod, 14-3 compression spring, 14-4 magnet with coil, 15 driving roller, 16 Cargo arrival sensor, 17 support rod, 18 driven gear, 19 driving gear, 20 tensioning motor, 24 driving motor, 25 coupling, 26 limit shaft, 26-1 limit shaft housing, 26-2 bearing, 26-3 convex shaft, 27 limit legs, 28 pawls,

29 front rotating shafts, 30 transmission connecting rods, 30-1 front support rods, 30-2 transmission front bearings, 30-3 intermediate connecting rods, 30-4 transmission rear bearings, 30-5 rear support rods.

detailed description:

The utility model is further described below through specific embodiments, and the embodiment is used to further illustrate the utility model, so that those skilled in the art can further understand the utility model, and cannot be interpreted as limiting the protection scope of the utility model. Everything that is not described in detail in the embodiments is according to the prior art in this field.

Example 1

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

A kind of upper and lower bending belt conveyor with limit function, the structure is shown in Figure 1, 2, 3, 4, 5, 6, including two front legs 13, and two rear legs 8 Rotate between the front supporting legs 13 and be connected with front rotating shaft 29, movable on the front rotating shaft 29 wear reversing roller 11, front rotating shaft 29 two ends vertically rotate and be connected with the front fixed rod 14 that extends horizontally forward, two front fixed rods 14 front ends are rotatably connected with a drive roller 15, and the front fixed rod 14 is provided with a drive motor 24 that is driven and connected to the drive roller 15; between the front rotating shaft 29 and the driving roller 15 and near the front rotating shaft, a limit leg 27 is provided. The limit shaft housing 26-1 is fixed on the top of the spacer leg 27, and the space limit shaft housing 26-1 is movably worn with a convex space limit shaft 26 in the middle section, and the two ends of the space limit shaft 26 are connected with limited Bit device;

The stopper includes a stopper, a pawl 28 and a fixed bracket 12 arranged on the side of the front fixed rod. Two ends, the other end is fixed on the front leg 13, and the ratchet 28 is fixedly connected with a connecting rod, and the connecting rod vertically rotates and is connected to the end of the limiting rotating shaft 26, and the ratchet 28 is engaged with the limiting device.

An end near the front rotating shaft at the front fixed rod 14 is provided with a groove, the back side of the groove is fixed with a power supply 14-1, and the closed end of the groove is provided with a magnet 14-4 and a compression spring 14-3 wound with a coil, and the power supply 14 -1 is electrically connected with the magnet 14-4, and the magnets and compression springs are alternately arranged at the bottom of the groove, and the opening end of the groove is provided with a ratchet bar 14-2, and the ratchet bar 14-2 covers the magnet and the compression spring, and the ratchet bar 14-2 moves in the groove under the effect of electromagnet and compression spring. A transmission link 30 is connected between the limiting rotating shaft 26 and the front rotating shaft. The transmission link includes two support rods and an intermediate link 30-3, the two support rods are a front support rod 30-1 and a rear support rod 30-5, the top of the front support rod 30-1 is provided with a transmission front bearing 30- 2. A transmission rear bearing 30-4 is arranged on the top of the rear support rod 30-5, and an intermediate connecting rod 30-3 is movably connected between the transmission front bearing 30-2 and the transmission rear bearing 30-4. The front support rod 30 - 1 is connected on the front rotating shaft 29 , and the rear support rod is connected on the limit rotating shaft 26 .

A rear rotating shaft 3 is rotatably connected between the two rear supporting legs 8, a support frame is fixedly connected above the rear rotating shaft 3, and an upper tensioning roller 2 parallel to the rear rotating shaft 3 is rotatably connected on the support frame, and one end of the rear rotating shaft 3 is connected with a Driven gear 18, front rotating shaft 29 one ends are provided with the drive gear 19 that is meshed with driven gear 18, and drive gear 19 drive is connected with tensioning motor 20; A driven roller 4 is rotatably connected between the rear ends of the rear fixed rods 5 , and a conveyor belt 1 is wound between the driven roller 4 and the driving roller 15 , and the rear rotating shaft 3 is positioned 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 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 3 and 7, 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, the rear rotating shaft 3 drives the upper tension roller 2 to reversely compress the conveyor belt 1, and at the same time drives the front support rod 30-1 to rotate, and the front support rod 30-1 pushes the rear support rod 30-5 through the middle connecting rod 30-3 Movement, the rear support rod 30-5 drives the limit rotating shaft 26 to rotate. Before the limiting rotating shaft 26 rotates, the power supply 14-1 energizes the coil, and the magnet 14-4 with the coil generates magnetic force, which sucks the ratchet bar 14-2, and the ratchet bar 14-2 separates from the ratchet 28, and the ratchet 28 follows the limiter. The rotary shaft 26 rotates in the same direction. When the conveyor needs to stop when bending upwards, the power supply 14-1 powers off the coil, the magnet 14-4 with the coil loses its magnetic force, and the ratchet bar 14-2 is released. The ratchet bar 14-2 Engage with the ratchet 28 to prevent the limit rotating shaft 26 from reversing, 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 transmission front bearing 30-2 and the transmission rear bearing 30-4 are used to fix the intermediate connecting rod; the bearing 26-2 is used to fix the limit rotating shaft 26; The shaft coupling 25 is used to connect the rotating shaft and the driven shaft of the motor, and transmits the torque to the driven shaft to make the driven shaft rotate; other auxiliary equipment is used to support and fix the above-mentioned parts.

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

An up and down bending belt conveyor with a limit function, the structure is the same as that described in Embodiment 1, the difference is that:

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 upper and lower bending belt conveyor with the limit function of the utility model with the comparative example, the upper and lower bending belt conveyor with the limit function of the utility model is different from the comparative example in principle, and the comparative example realizes It is horizontal bending, but the utility model realizes vertical bending. The conveyor belt of the comparative proportion deforms a conveyor belt in stages to realize horizontal bending transportation. Balanced, which is conducive to turning and reversing, the section of the conveyor belt bent into a tubular shape can be turned and reversing, but the conveyor belt can easily cause damage to the conveyor belt at the upper and lower folds and turns through staged deformation and turning , and there is no flexibility in space utilization, and it cannot be bent at a maximum of 90° in the vertical direction. When the utility model is being bent, a buffer device, a tensioning device and a limit device are provided at the folding place to prevent the conveyor belt from reversing and damage caused by excessive folding, and it can perform 90° bending when there is no operation. There is a certain degree of flexibility in the use of horizontal space, saving 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 bendable ribbon conveyer up and down with limit function, including conveyer belt, two front leg struts and two rear support legs, Characterized in that, be rotatably connected to front rotary shaft between described two front leg struts, on the front rotary shaft activity be installed with bend pulley, institute The preceding fix bar that front rotary shaft both ends are vertically rotatably connected to horizontal forward extension is stated, is rotatablely connected between two preceding fix bar front ends There is drive roll, the motor being connected with drive roll is provided with one of them preceding fix bar, motor driving is actively Roller rotates；Limited location supporting leg is set between front rotary shaft and drive roll and close to front rotary shaft, spacing supporting leg top is fixed with Limit rotary shaft housing, on the limit rotary shaft housing activity be installed with the limit rotary shaft that interlude is in convex, the both ends of limit rotary shaft It is connected with limiter；Rear rotating shaft is rotatably connected between two rear support legs, belt tensioning drum is provided with above the rear rotating shaft, after Rotating shaft one end is connected with driven gear, and front rotary shaft is provided with the active being meshed with driven gear with one end of driven gear homonymy Gear, driving gear drive connection have tensioning motor；Two rear support leg rears are connected with fix bar after two to extend back, and two Driven roller is rotatably connected between fixed rod rear end after individual, conveyer belt is wound between driven roller and drive roll.

2. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that propped up after two Lower belt tensioning drum is provided between leg, the lower belt tensioning drum is between upper strata conveyer belt and conveying belt of lower floor, lower tensioning rolling Cylinder is connected with extension spring below both ends.

3. the bendable ribbon conveyer according to claim 2 up and down with limit function, it is characterised in that extension spring One end be fixed on the lower section of lower belt tensioning drum one end, the other end is fixedly connected on rear support leg.

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

5. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that turn after described Axle position is fixedly connected with upward support frame, upper belt tensioning drum rotation connection in the top of upper strata conveyer belt, the both ends of rear rotating shaft Between support frame, and parallel to rear rotating shaft.

6. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that described limit Position device includes stopping means, ratchet and the fixed support of fix bar side before being arranged on, and described fixed support is two, fixed One end of support is movably connected in the both ends of limit rotary shaft, and the other end is fixed on front leg strut, and ratchet is fixedly connected with connecting rod, Connecting rod is vertically rotatably connected on the end of limit rotary shaft, and ratchet engages connection with stopping means；In preceding fix bar close to forward One end of axle is provided with groove, and the back side of groove is fixed with power supply, and the blind end of groove is provided with the magnet for being wound with coil and compression Spring, power supply are electrically connected with magnet, and magnet is alternated with compression spring and is arranged in bottom portion of groove, and the openend of groove is provided with Spine bar, spine bar is covered in magnet and above compression spring, spine bar moves in the presence of electromagnet with compression spring in groove.

7. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that front rotary shaft connects The top of two front leg struts is connected on, is respectively arranged with fore bearing at the both ends of front rotary shaft, front rotary shaft passes through fore bearing and front leg strut Connection；Rotating shaft is connected to the top of two rear support legs afterwards, and bearing after being respectively arranged with the both ends of rear rotating shaft, rear rotating shaft passes through rear Bearing is connected with rear support leg, and kinematic link is connected between limit rotary shaft and front rotary shaft；Preferably, described kinematic link bag Two support bars and intermediate connecting rod are included, intermediate connecting rod both ends are connected by bearing with two support bars respectively, one of support Bar is connected on front rotary shaft, and one of support bar is connected in limit rotary shaft.

8. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that drive roll Exchanged with driven roller, can still realize the upward bending to driven roller side.

9. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that front rotary shaft with Shaft parallel is set afterwards, and spacing distance is the reference radius sum of two meshing gears.

10. the bendable ribbon conveyer according to claim 1 up and down with limit function, it is characterised in that preceding fixation The support bar of L-shaped is provided with bar, the support boom end is extended to above the conveyer belt of upper strata, and support bar end set has Goods sensors in place.