CN217172041U - Protective device for rubber belt conveyor - Google Patents

Abstract

The application provides a rubber belt conveyor protection device, including the support body, the support body both ends all are provided with the roller, and the cover is equipped with the conveyer belt on the roller outer wall, and conveyer belt inner wall butt roller outer wall, roller below are provided with the tensioning roller, conveyer belt inner wall butt tensioning roller outer wall. The tensioning roller is provided with a fixed shaft, and the tensioning roller is sleeved on the fixed shaft. The support body both sides all are provided with the slide rail, and fixed axle size and slide rail size looks adaptation and fixed axle both ends are arranged in the slide rail. The fixed shaft is provided with a fixed frame, and a lifting device used for adjusting the position of the tensioning roller is arranged between the fixed frame and the frame body. A pressure sensor is arranged between the fixing frame and the frame body, the frame body is provided with a driving motor used for driving the lifting device, and the pressure sensor is electrically connected with the driving motor. The utility model discloses improved current protection device and can't detect the sticky tape conveyer state comparatively accurately, can't accomplish the tensioning immediately, lead to the problem that the fault rate promoted.

Description

Protective device for rubber belt conveyor

Technical Field

The utility model relates to a production facility field particularly, relates to a rubber belt conveyor protection device.

Background

At present, the belt conveyor is one of the most important transportation tools for transporting bulk materials, and is widely applied to material transportation in ports, docks, metallurgy, thermal power plants, strip mines and coal mines due to the characteristics of capability of realizing continuous loading and unloading transportation of materials, long transportation distance, large transportation capacity, low power consumption, relatively low investment cost, convenience in maintenance and the like. The belt conveyor is a modernized large-scale transportation device with high strength, large transportation capacity and high power, and plays an important role in national economy. The rubber belt can be elongated after running for a period of time, and the phenomena of deviation and head wheel slipping easily occur when the rubber belt conveyor runs under the conditions of large load and insufficient friction force of a traction wheel in the transportation process, so that the rubber belt conveyor stops running under the condition of ore deposit, production accidents are possibly caused, and the belt conveyor is provided with a tensioning device. The existing tensioning device is composed of a rack, a roller, a traction oil cylinder, a tensioning winch, a pulley block and other components, so that the existing loading device is large in size, the adjusting positions of a head wheel and a tail wheel of the rubber belt conveyor are limited, most of places are not suitable for installing the existing tensioning device, the state of the rubber belt conveyor cannot be accurately detected, the tensioning effect cannot be immediately completed, and the failure rate is increased.

Therefore, it is necessary to develop a protection device for a belt conveyor, which has a small size and can precisely tension and protect a conveyor belt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber belt conveyor protection device, it can improve current protection device equipment bulky, and can't detect the rubber belt conveyor state comparatively accurately, can't accomplish the tensioning immediately, leads to the problem that the fault rate promoted.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a rubber belt conveyor protection device, including the support body, above-mentioned support body both ends all are provided with the roller, and the cover is equipped with the conveyer belt on the above-mentioned roller outer wall, above-mentioned conveyer belt inner wall butt roller outer wall, and above-mentioned roller below is provided with the tensioning roller, the above-mentioned tensioning roller outer wall of above-mentioned conveyer belt inner wall butt. The tensioning roller is provided with a fixed shaft, and the fixed shaft is sleeved with the tensioning roller. The two sides of the frame body are provided with slide rails, the size of the fixed shaft is matched with that of the slide rails, and the two ends of the fixed shaft are located in the slide rails. The fixed shaft is provided with a fixed frame, and a lifting device used for adjusting the position of the tensioning roller is arranged between the fixed frame and the frame body. A pressure sensor is arranged between the fixing frame and the frame body, the frame body is provided with a driving motor used for driving the lifting device, and the pressure sensor is electrically connected with the driving motor.

In some embodiments of the present invention, the tensioning roller and the roller are parallel to each other.

In some embodiments of the present invention, the tension roller is disposed between the rollers.

The utility model discloses an in some embodiments, above-mentioned elevating gear includes the sleeve, and above-mentioned sleeve sets up in the mount top, and the sleeve endotheca is equipped with the pivot, and just above-mentioned pivot upper end is rotated and is connected in above-mentioned support body, and above-mentioned sleeve inner wall is provided with the internal thread, is provided with the external screw thread that corresponds with the screw thread on the above-mentioned pivot outer wall. The rotating shaft is sleeved with a first gear, the driving motor is connected with a second gear, and the first gear is meshed with the second gear.

In some embodiments of the present invention, a rolling bearing is sleeved on the rotating shaft, and an outer wall of the rolling bearing is fixed on the frame body.

The utility model discloses an in some embodiments, be provided with the mounting groove in the above-mentioned pivot, be provided with the mounting hole on the above-mentioned support body, above-mentioned antifriction bearing joint is in above-mentioned mounting groove, and antifriction bearing outer wall connection above-mentioned mounting hole inner wall.

In some embodiments of the present invention, the pressure sensor is provided with a pressure spring on its upper end, and the upper end of the pressure spring is disposed on the frame body.

The utility model discloses an in some embodiments, the stop collar has been cup jointed on the above-mentioned slide rail, above-mentioned stop collar and above-mentioned fixed axle looks butt.

In some embodiments of the present invention, a fixing rod is connected between the position-limiting sleeves.

In some embodiments of the present invention, the cross-sectional shape of the fixing shaft is rectangular.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model discloses a elevating gear can adjust the tensioning degree of conveyer belt in the cooperation of tensioning roller, the stability of equipment operation has been promoted, and simultaneously, set up pressure sensor to the detection of the real-time tensioning state of conveyer belt, deuterogamy pressure sensor to drive elevating gear's driving motor carry the signal of telecommunication to control driving motor, can guarantee to adjust the tensioning degree of conveyer belt in real time, very big take place reducing the too tight or too loose situation of conveyer belt, the stability and the security of equipment operation have been promoted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side sectional view of the present invention.

Fig. 3 is a schematic view of the installation of the rotating shaft of the present invention.

Fig. 4 is a schematic view of the installation of the rotating shaft and the sleeve of the present invention.

Fig. 5 is the schematic view of the installation of the stop collar of the present invention.

Icon: 1-frame body, 2-roller shaft, 3-conveying belt, 4-tensioning roller, 5-fixed shaft, 6-sliding rail, 7-lifting device, 8-limiting sleeve, 9-fixed rod, 10-fixed frame, 11-pressure sensor, 12-driving motor, 111-pressure spring, 71-rotating shaft, 72-sleeve, 73-second gear, 74-first gear, 711-external thread, 712-mounting groove, 713-mounting hole, 714-rolling bearing and 721-internal thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

According to fig. 1, fig. 2 show, this embodiment provides a rubber belt conveyor protection device, including support body 1, 1 both ends of above-mentioned support body all are provided with roller 2, and the cover is equipped with conveyer belt 3 on the 2 outer walls of above-mentioned roller, and 3 inner walls butt roller 2 outer walls of above-mentioned conveyer belt, above-mentioned roller 2 below are provided with tensioning roller 4, and the above-mentioned tensioning roller 4 outer walls of 3 inner walls butt of above-mentioned conveyer belt. The tensioning roller 4 is provided with a fixed shaft 5, and the tensioning roller 4 is sleeved on the fixed shaft 5. The two sides of the frame body 1 are provided with slide rails 6, the size of the fixing shaft 5 is matched with the size of the slide rails 6, and the two ends of the fixing shaft 5 are positioned in the slide rails 6. The fixed shaft 5 is provided with a fixed frame 10, and a lifting device 7 for adjusting the position of the tensioning roller 4 is arranged between the fixed frame 10 and the frame body 1. A pressure sensor 11 is disposed between the fixing frame 10 and the frame body 1, the frame body 1 is provided with a driving motor 12 for driving the lifting device 7, and the pressure sensor 11 is electrically connected to the driving motor 12.

Above-mentioned roller 2's size can set up according to above-mentioned conveyer belt 3's length, and 2 radiuses of roller and 3 length directly proportional of conveyer belt, above-mentioned conveyer belt 3's transport plane can be the level setting, also can be for the slope setting, thereby accomplish the transport of different stations transported substance, and 2 surfaces of roller are coarse setting, the conveyer belt inner wall also is coarse setting, can guarantee like this that 3 covers of conveyer belt establish on 2 surfaces of roller, in certain tensioning degree, rely on the frictional force between roller 2 and conveyer belt, when roller 2 rotates, the conveyer belt can be along with 2 constant speed movements of roller.

And the roll shaft 2 can be divided into a driving roll shaft 2 and a driven roll shaft 2, the driving roll shaft 2 is driven by a driving device, and can be a motor, an internal combustion engine or a hydraulic motor, when the driving device is started, the driving roll shaft 2 starts to rotate and drives the conveying belt 3 to move at a constant speed, and the conveying belt 3 enables the driven roll shaft 2 to rotate at a constant speed through friction force between the conveying belt 3 and the driven roll shaft 2, so that the conveying belt 3 of the equipment can stably convey articles.

It should be noted that, when the conveyer belt 3 is long, the supporting rollers 2 can be disposed between the rollers 2 to prevent the conveyer belt 3 from deforming and causing unstable operation of the apparatus due to the over weight of the carried articles on the conveyer belt 3.

In the long-time operation process of the equipment, the conveyer belt 3 may be too tight or too loose, so the tensioning roller 4 can adjust the conveyer belt 3 under the action of the lifting device 7, and the normal and stable operation of the conveyer belt 3 is ensured. Preferably, the tensioning rollers 4 and the roller shafts 2 are arranged in parallel, so that the lifting can be realized, and the tensioning rollers 4 are optimally arranged between the roller shafts 2, so that the optimal adjusting effect of the tensioning rollers is ensured. Meanwhile, the pressure sensor 11 can detect the tensioning condition of the conveyor belt 3 through the pressure of the conveyor belt 3 relative to the frame body 1, and timely control the lifting device 7 to adjust the tensioning roller 4 through the driving motor 12, so that the tensioning degree of the conveyor belt 3 is always kept within a certain range.

Specifically, as shown in fig. 2, the fixed shaft 5 penetrates through the tension roller along the central line of the tension roller, so that the tension roller is sleeved on the fixed shaft 5, and the inner hole wall of the tension roller and the outer wall of the fixed shaft 5 are smoothly arranged, or a plurality of bearings are sleeved on the fixed shaft 5, so that the tension roller can make a circular rotation motion relative to the fixed shaft 5, and the tension roller and the roller shaft 2 can make a constant motion along with the conveyor belt 3. Both ends of the sliding rail 6 are fixed on the frame body 1, the fixing mode can be welding or bolt connection, the sliding rail 6 is optimally vertically arranged, and the stability of the moving end of the tensioning roller is improved. The fixed shaft 5 is inserted into the slide rail 6, and the cross section of the fixed shaft 5 is rectangular, so that the fixed shaft 5 does not rotate along with the tensioning roller.

It should be noted that, as shown in fig. 5, two of the slide rails 6 may be provided with a limiting sleeve 8, the slide rails 6 are sleeved with the limiting sleeve 8, and the lower edge of the limiting sleeve 8 abuts against the fixing rod 9. The outer wall of the sliding rail 6 and the inner wall of the limiting sleeve 8 are arranged roughly, and the outer wall of the sliding rail 6 and the limiting sleeve 8 are matched tightly, so that the limiting sleeve 8 cannot move randomly under the action of friction force between the outer wall of the sliding rail 6 and the limiting sleeve 8. And a fixed rod 9 can be arranged between the two limiting sleeves 8, so that the limiting sleeves 8 are always at the same height, and the adjustment stability of the tensioning roller on the conveying belt 3 is improved.

As shown in fig. 2, 3 and 4, the lifting device 7 includes a sleeve 72, the sleeve 72 is disposed at the top end of the fixing frame 10, a rotating shaft 71 is sleeved in the sleeve 72, the upper end of the rotating shaft 71 is rotatably connected to the frame body 1, an inner wall of the sleeve 72 is provided with an inner thread 721, and an outer wall of the rotating shaft 71 is provided with an outer thread 711 corresponding to the thread. A first gear 74 is coupled to the rotation shaft 71, a second gear 73 is coupled to the driving motor 12, and the first gear 74 is engaged with the second gear 73. The sleeve 72 may be welded to the frame body 1, the rotating shaft 71 is sleeved with a rolling bearing 714, an outer wall of the rolling bearing 714 is fixed to the frame body 1, the sleeve 72 and the rotating shaft 71 are in threaded fit to move in the vertical direction of the sleeve 72, the sleeve 72 is fixed to the fixing frame 10, the fixing frame 10 is fixed to the fixing shaft 5, the sleeve 72 can drive the fixing shaft 5 to move in the vertical direction, the fixing shaft 5 drives the tensioning roller to move in the vertical direction, and accordingly the tensioning roller can adjust the conveying belt 3. And the driving motor 12 can drive the rotation shaft 71 to rotate by rotating, thereby realizing the operation of the whole lifting device 7. A first gear 74 is coupled to the rotation shaft 71, a second gear 73 is coupled to the driving motor 12, and the first gear 74 is engaged with the second gear 73.

Specifically, as shown in fig. 3, the rotating shaft 71 is provided with a mounting groove 712, the frame body 1 is provided with a mounting hole 713, the rolling bearing 714 is clamped in the mounting groove 712, an outer wall of the rolling bearing 714 is connected to an inner wall of the mounting hole 713, the mounting groove 712 can limit the rotating shaft 71 to be stably clamped in the mounting hole 713, the rotating shaft 71 is ensured not to be displaced, the stability of the whole lifting device 7 is improved, the outer wall of the rolling bearing 714 is fixed to the inner wall of the mounting hole 713, the inner wall of the rolling bearing 714 is fixed to the outer wall of the rotating shaft 71, and the rotating shaft 71 is ensured to perform a complete rotation movement relative to the frame body 1.

In order to detect the tension of the conveyor belt 3 more sensitively, the pressure sensor 11 can determine the tension of the conveyor belt 3 by detecting the pressure generated by the conveyor belt 3 in real time, and the pressure spring 111 is disposed on the pressure sensor 11, so that the sensitivity of the pressure sensor 11 is increased, and no other adverse effect is caused on the pressure sensor 11 due to excessive pressure. When the pressure sensor 11 detects that the pressure generated by the conveyor belt 3 is greater than the preset threshold range, the pressure sensor 11 enables the driving motor 12 to rotate in a specified direction. When the pressure sensor 11 detects that the pressure generated by the conveyor belt 3 is smaller than the preset threshold range, the pressure sensor 11 enables the driving motor 12 to rotate in the specified direction.

Specifically, the pressure sensor 11 is an existing MEMs piezoresistive pressure sensor 11, which has the characteristics of small volume, simple structure, high sensitivity, capability of measuring minute pressure of dozens of micro pascals, good dynamic response, good long-term stability, small hysteresis and creep, high frequency response, convenience in production, low cost and the like. And a controller is arranged between the pressure sensor 11 and the driving motor 12, the controller can be an existing sensor control switch, and can receive an analog signal sent by the pressure sensor 11 to control the on-off, so as to control the on-off and the steering of the driving motor 12.

The working principle of the embodiment is as follows: when the belt conveyor normally operates, the roller shaft 2 drives the conveyer belt 3 to rotate at a constant speed, the conveyer belt 3 drives the tensioning roller to rotate at the same time, when the pressure sensor 11 detects that the pressure of the conveyer belt 3 exceeds a preset threshold range, the pressure sensor 11 sends an analog signal to the controller, the controller recognizes the analog signal and controls the driving motor 12 to rotate in a preset direction, the driving motor 12 controls the rotating shaft 71 to rotate, the rotating shaft 71 rotates in a whole circle relative to the frame body 1, the rotating shaft 71 does not deflect due to the arrangement of the rolling bearing 714 and the mounting groove 712, and the sleeve 72 fixed on the fixing frame 10 moves in a vertical direction due to the threaded fit between the rotating shaft 71 and the sleeve, and the sleeve 72 drives the fixing shaft 5 and the tensioning roller to move simultaneously, thereby achieving the position adjustment of the above-described conveyor belt 3.

To sum up, the embodiment of the utility model provides a rubber belt conveyor protection device, including support body 1, 1 both ends of above-mentioned support body all are provided with roller 2, and the cover is equipped with conveyer belt 3 on the 2 outer walls of above-mentioned roller, and 3 inner walls butt roller 2 outer walls of above-mentioned conveyer belt, 2 below of above-mentioned roller are provided with tensioning roller 4, the above-mentioned 4 outer walls of tensioning roller of 3 inner walls butt of above-mentioned conveyer belt. The tensioning roller 4 is provided with a fixed shaft 5, and the tensioning roller 4 is sleeved on the fixed shaft 5. The two sides of the frame body 1 are provided with slide rails 6, the size of the fixing shaft 5 is matched with the size of the slide rails 6, and the two ends of the fixing shaft 5 are positioned in the slide rails 6. The fixed shaft 5 is provided with a fixed frame 10, and a lifting device 7 for adjusting the position of the tensioning roller 4 is arranged between the fixed frame 10 and the frame body 1. A pressure sensor 11 is disposed between the fixing frame 10 and the frame body 1, the frame body 1 is provided with a driving motor 12 for driving the lifting device 7, and the pressure sensor 11 is electrically connected to the driving motor 12. The lifting device 7 includes a sleeve 72, the sleeve 72 is disposed at the top end of the fixing frame 10, a rotating shaft 71 is sleeved in the sleeve 72, the upper end of the rotating shaft 71 is rotatably connected to the frame body 1, an inner wall of the sleeve 72 is provided with an inner thread 721, and an outer wall of the rotating shaft 71 is provided with an outer thread 711 corresponding to the thread. A first gear 74 is coupled to the rotation shaft 71, a second gear 73 is coupled to the driving motor 12, and the first gear 74 is engaged with the second gear 73. The rotating shaft 71 is sleeved with a rolling bearing 714, and the outer wall of the rolling bearing 714 is fixed on the frame body 1. The frame body 1 is provided with an installation hole 713, the rolling bearing 714 is clamped in the installation groove 712, and the outer wall of the rolling bearing 714 is connected with the inner wall of the installation hole 713. The slide rail 6 is sleeved with a limiting sleeve 8, and a fixing rod 9 is connected between the limiting sleeves 8.

The utility model discloses beneficial effect does: the utility model discloses a elevating gear 7 in the cooperation of tensioning roller 4, can adjust the tensioning degree of conveyer belt 3, the stability of equipment operation has been promoted, and simultaneously, set up pressure sensor 11 and to the detection of the real-time tensioning state of conveyer belt 3, it controls driving motor 12 to drive elevating gear 7's driving motor 12 to deuterogamy pressure sensor 11 and carry the signal of telecommunication, can guarantee to adjust the tensioning degree of conveyer belt 3 in real time, very big take place reducing the too tight or too loose situation of conveyer belt 3, the stability and the security of equipment operation have been promoted. Meanwhile, the lifting device 7 is realized in a thread matching mode, and the adjusting stability is improved. And the setting of stop collar 8 can make fixed axle 5 both ends keep on same horizontal plane, has greatly promoted the stability of equipment.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (10)

1. A rubber belt conveyor protection device comprises a frame body, wherein both ends of the frame body are provided with roller shafts, the outer wall of each roller shaft is sleeved with a conveying belt, the inner wall of each conveying belt abuts against the outer wall of each roller shaft, and the rubber belt conveyor protection device is characterized in that a tensioning roller is arranged below each roller shaft, and the inner wall of each conveying belt abuts against the outer wall of each tensioning roller; the tensioning roller is provided with a fixed shaft, and the tensioning roller is sleeved on the fixed shaft; sliding rails are arranged on two sides of the frame body, the size of the fixing shaft is matched with that of the sliding rails, and two ends of the fixing shaft are located in the sliding rails; the fixed shaft is provided with a fixed frame, and a lifting device for adjusting the position of the tensioning roller is arranged between the fixed frame and the frame body; the fixing frame with be provided with pressure sensor between the support body, the support body is provided with the driving motor who is used for driving above-mentioned elevating gear, pressure sensor with the driving motor electricity is connected.

2. A belt conveyor protection device according to claim 1, wherein said tension roller and said roller are arranged parallel to each other.

3. A belt conveyor guard according to claim 2 wherein the tension roller is disposed between the rollers.

4. The protection device of a belt conveyor as claimed in claim 1, wherein the lifting device comprises a sleeve, the sleeve is arranged at the top end of the fixing frame, a rotating shaft is sleeved in the sleeve, the upper end of the rotating shaft is rotatably connected to the frame body, the inner wall of the sleeve is provided with internal threads, and the outer wall of the rotating shaft is provided with external threads corresponding to the threads; the pivot has cup jointed first gear, driving motor is connected with the second gear, first gear with the meshing of second gear.

5. The protection device of a belt conveyor as claimed in claim 4, wherein a rolling bearing is sleeved on the rotating shaft, and the outer wall of the rolling bearing is fixed on the frame body.

6. The protection device for the belt conveyor as claimed in claim 5, wherein the shaft is provided with a mounting groove, the frame body is provided with a mounting hole, the rolling bearing is clamped in the mounting groove, and the outer wall of the rolling bearing is connected with the inner wall of the mounting hole.

7. The belt conveyor protection device of claim 1, wherein the pressure sensor is provided with a pressure spring at an upper end thereof, and the upper end of the pressure spring is disposed on the frame body.

8. The protection device of a belt conveyor as claimed in claim 1, wherein a stop collar is sleeved on the slide rail and abuts against the fixed shaft.

9. A protection device for a belt conveyor as claimed in claim 8, wherein a fixing rod is connected between the position-limiting sleeves.

10. A belt conveyor protection device as in claim 1 wherein the stationary shaft is rectangular in cross-sectional shape.

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