CN218937295U

CN218937295U - Belt conveying length measuring device

Info

Publication number: CN218937295U
Application number: CN202222851636.XU
Authority: CN
Inventors: 史纪录; 庄利利; 闫建伟; 李洋; 刘震; 田大肥; 谢森琪; 李俊源; 孙星
Original assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Current assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-28
Anticipated expiration: 2032-10-27

Abstract

The utility model provides a belt conveying length measuring device, belongs to belt feeder technical field, includes support frame, mount pad, elasticity roof pressure mechanism, measurement component, be provided with the mount pad on the support frame, the mount pad below is provided with measurement component, pass through between mount pad and the measurement component elasticity roof pressure mechanism is connected, measurement component includes coaxial measuring roller and the encoder of connecting, through utilizing elasticity deformation volume messenger measuring roller bottom and belt surface in close contact of elasticity roof pressure mechanism. The utility model can effectively reduce or avoid the short separation of the ranging wheel from the surface of the belt caused by the running jump of the belt, thereby improving the accuracy of measurement.

Description

Belt conveying length measuring device

Technical Field

The utility model belongs to the technical field of belt conveyors, and particularly relates to a belt conveying length measuring device.

Background

The belt conveyor is stable in conveying, the materials and the conveying belt do not move relatively, and damage to conveyed objects can be avoided. The noise is low, and the device is suitable for places with quite quiet requirements on working environments. At present, two belt conveying length measurement modes are adopted, one is manual ruler measurement, one is discontinuous measurement, if the belt length is long, measurement data are accumulated after segmented measurement, a result is finally obtained, the error is large, and the accumulated error is larger as the number of segments is larger; the other is to use a manual or by some device to continuously measure by calculating the number of turns according to the fixed length of one turn of the belt, but the accuracy is not high, the length of the belt cannot be measured correctly when the number of turns is less than one, the length of each turn of the belt can change along with the time, and the error can change continuously.

The utility model patent number CN202111364166.8 discloses a method for measuring the whole circle length of a belt, in the scheme, a measuring device comprises a bracket, two ends of the bracket are connected to a frame of the belt scale, the bracket is arranged between a process belt and a return belt of the belt scale, a supporting seat is connected to the bracket, a connecting rod is connected to the supporting seat in a rotating way, one end of the connecting rod is connected to the supporting seat in a rotating way, an encoder is fixedly connected to the other end of the connecting rod, an encoder roller is arranged on the encoder, the encoder roller is connected to the top surface of the return belt of the belt scale, in the measuring device, the encoder roller is naturally placed on the surface of the belt, the contact with the surface of the belt is ensured by utilizing natural gravity, when the surface of the belt is uneven or foreign matters are adhered on the carrier roller, the belt moves and jumps, so that slippage occurs between the encoder roller and the belt, the encoder roller is separated from the surface of the belt in a short time, and the accuracy of measurement is affected.

Disclosure of Invention

In view of the above, the utility model provides a belt conveying length measuring device, which can effectively reduce or avoid the short separation of a ranging wheel from the surface of a belt caused by the running jump of the belt, thereby improving the accuracy of belt conveying length measurement.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a belt conveying length measuring device spans and installs in the belt feeder frame, belt conveying length measuring device includes support frame, mount pad, elasticity roof pressure mechanism, measurement component, be provided with the mount pad on the support frame, the mount pad below is provided with measurement component, pass through between mount pad and the measurement component elasticity roof pressure mechanism connects, measurement component includes coaxial coupling's measurement gyro wheel and encoder, through utilizing elasticity deformation volume messenger measurement gyro wheel bottom and belt surface in close contact of elasticity roof pressure mechanism.

Preferably, the elastic jacking mechanism comprises a base, guide rods, limiting rings and elastic pieces, wherein a rotating transverse shaft is arranged on the base in a penetrating mode, the encoder is arranged on the rotating transverse shaft, measuring rollers are respectively arranged at two ends of the rotating transverse shaft penetrating out of the base, the guide rods are arranged at intervals along the length direction of the base, the lower ends of the guide rods are fixedly connected with the base, the upper ends of the guide rods are movably connected with the mounting seats, the limiting rings are arranged at the upper ends of the guide rods, the elastic pieces are sleeved on the guide rods, the upper ends and the lower ends of the elastic pieces are respectively in contact with the mounting seats and the base, and the elastic deformation amounts of the elastic pieces are utilized to drive the guide rods to move up and down along the mounting seats so that the measuring rollers can be self-adaptive to the jumping of the belt, and the bottoms of the measuring rollers can be in tight contact with the surfaces of the belt.

Preferably, the limiting ring is fixedly connected to the upper end of the guide rod.

Preferably, the inner wall of the limiting ring is provided with an internal thread, and the outer side of the guide rod is provided with an external thread matched with the internal thread so as to adjust the position of the limiting ring on the guide rod.

Preferably, a linear bearing is arranged in the mounting seat, the upper end of the guide rod is connected with the mounting seat in a sliding way through the linear bearing, and the guide rod can slide up and down in the linear bearing.

Preferably, two ends of the rotating cross shaft penetrate out of the base, and the rotating cross shaft is connected with the base in a rotating way.

Preferably, the elastic member is a spring.

Preferably, the encoder is a hollow shaft rotary encoder.

According to the technical scheme, the utility model provides the belt conveying length measuring device, which has the beneficial effects that compared with the prior art: during operation, fix the support frame both ends in the belt feeder frame, owing to have the encoder on the measuring roller coaxial coupling, it rotates to drive the measuring roller when the belt removes for the encoder rotates in step thereupon, through multiplying the numerical value of encoder with the girth of measuring the gyro wheel, can obtain accurate belt travel distance, link to each other measuring roller and mount pad through setting up elasticity roof pressure mechanism, when the belt appears beating in the operation, in order to utilize elasticity deformation volume drive guide bar along the mount pad of elastic component in the elasticity roof pressure mechanism to reciprocate, so that the pulsation of measuring roller self-adaptation belt, realize measuring roller bottom and belt surface keep in close contact, thereby effectively alleviate or avoid leading to the ranging wheel to break away from the belt surface for a short time because of the operation of belt is beated, measuring accuracy has been improved.

Drawings

Fig. 1 is a schematic view of a belt conveyance length measuring apparatus.

FIG. 2 is a schematic diagram of the connection between the elastic pressing mechanism, the measuring roller and the encoder.

Fig. 3 is a view showing a state of use of the belt conveyance length measuring device.

In the figure: the belt conveying length measuring device 100, the supporting frame 10, the mounting seat 20, the linear bearing 21, the elastic pressing mechanism 30, the base 31, the rotating transverse shaft 311, the guide rod 32, the elastic piece 33, the limiting ring 34, the measuring assembly 40, the measuring roller 41, the encoder 42, the belt 200 and the belt conveyor frame 300.

Detailed Description

The technical scheme and technical effects of the embodiments of the present utility model are further described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present utility model provides a belt conveying length measuring device 100, which is transversely installed on a belt machine frame 300, wherein the belt conveying length measuring device 100 comprises a supporting frame 10, an installation seat 20, an elastic jacking mechanism 30 and a measuring component 40, the installation seat 20 is arranged on the supporting frame 10, the measuring component 40 is arranged below the installation seat 20, the installation seat 20 and the measuring component 40 are connected through the elastic jacking mechanism 30, the measuring component 40 comprises a measuring roller 41 and an encoder 42 which are coaxially connected, so that the encoder 42 can synchronously rotate with the measuring roller 41, the measuring roller 41 is driven to rotate when the belt 200 moves, further the linear motion of the belt is completely converted into the rolling of the encoder 42, and the accurate belt running distance can be obtained by multiplying the value of the encoder 42 by the circumference of the measuring roller 41; through utilizing elasticity deformation volume messenger measurement gyro wheel bottom 41 and the belt 200 surface in close contact of elasticity roof pressure mechanism 30, in this embodiment, elasticity roof pressure mechanism 30 includes base 31, guide bar 32, spacing ring 34, elastic component 33, wear to be equipped with on the base 31 and rotate cross axle 311, the encoder 42 is installed on rotating cross axle 311, the measurement gyro wheel 41 is installed respectively at the both ends that rotate cross axle 311 worn out the base 31, guide bar 32 is provided with two along the length direction interval of base 31, guide bar 32 lower extreme and base 31 fixed connection, guide bar 32 upper end and mount pad 20 swing joint, guide bar 32 upper end is provided with spacing ring 34, elastic component 33 cover is established on guide bar 32, and the upper end and the lower extreme of elastic component 33 are inconsistent with mount pad 20 and base 31 respectively. When the belt 200 is in run, the elastic piece 33 is compressed or stretched along with the belt 200, and the elastic deformation of the elastic piece 33 in the elastic pressing mechanism 30 is utilized to drive the guide rod 32 to move upwards or downwards along the mounting seat 20, so that the measuring roller 41 is self-adaptive to the jump of the belt 200, the measuring roller 41 can be pressed on the belt 200, the bottom of the measuring roller 41 is ensured to be in constant tight contact with the surface of the belt 200, the short-term separation of the measuring roller 41 from the surface of the belt 200 caused by the running jump of the belt 200 is effectively reduced or avoided, and the accuracy of the belt conveying length measurement is further improved.

Further, the limiting ring 34 is fixedly connected to the upper end of the guide rod 32. The limiting ring 34 is used for limiting the movement of the guide rod 32 and preventing the guide rod 32 from penetrating out of the mounting seat 20.

In another embodiment, the inner wall of the limiting ring 34 is provided with an internal thread, and the outer side of the guiding rod 32 is provided with an external thread matching with the internal thread, so as to adjust the position of the limiting ring 34 on the guiding rod 32, thereby adjusting the elastic deformation degree of the elastic member 33 and ensuring the contact between the measuring roller 41 and the surface of the belt 200.

Further, the linear bearing 21 is installed in the mounting seat 20, the upper end of the guide rod 32 is slidably connected with the mounting seat 20 through the linear bearing 21, the guide rod 32 can slide up and down in the linear bearing 21, and the linear bearing 21 plays a role in guiding and supporting at the same time, so that the stability of the measuring roller 41 along with the movement of the belt is ensured.

Further, the two ends of the rotation cross shaft 311 penetrate from the base 31, the rotation cross shaft 311 is rotatably connected with the base 31, specifically, a linear bearing 21 is also disposed in the base 31, and the rotation cross shaft 311 is rotatably connected with the base 31 through the linear bearing 21.

Further, the elastic member 33 is a spring.

Further, the encoder 42 is a hollow shaft type rotary encoder. By reading the value of the encoder, multiplying the distance represented by each unit value to obtain the accurate distance of the actual movement of the belt, since the measuring roller 41 is only in contact with the surface of the under-wheel belt 200, the position of the measuring roller does not move along with the belt, and during the movement of the belt, the accurate distance of the actual movement of the belt can be obtained in real time and continuously by only reading the value of the encoder 42 and calculating, and the error is completely within the allowable range.

The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.

Claims

1. A belt conveying length measuring device spans and installs in the belt feeder frame, its characterized in that: the device comprises a supporting frame, a mounting seat, an elastic jacking mechanism and a measuring assembly, wherein the mounting seat is arranged on the supporting frame, the measuring assembly is arranged below the mounting seat, the mounting seat is connected with the measuring assembly through the elastic jacking mechanism, the measuring assembly comprises a measuring roller and an encoder which are coaxially connected, and the bottom of the measuring roller is in tight contact with the surface of a belt through the elastic deformation of the elastic jacking mechanism.

2. The belt conveyor length measurement device of claim 1, wherein: the elastic jacking mechanism comprises a base, guide rods, limiting rings and elastic pieces, wherein a rotating transverse shaft is arranged on the base in a penetrating mode, the encoder is arranged on the rotating transverse shaft, measuring rollers are respectively arranged at two ends of the rotating transverse shaft penetrating out of the base, the guide rods are arranged two at intervals along the length direction of the base, the lower ends of the guide rods are fixedly connected with the base, the upper ends of the guide rods are movably connected with the mounting seats, the limiting rings are arranged at the upper ends of the guide rods, the elastic pieces are sleeved on the guide rods, the upper ends and the lower ends of the elastic pieces are respectively abutted to the mounting seats and the base, and the guide rods are driven to move up and down along the mounting seats by means of elastic deformation of the elastic pieces so that the measuring rollers can self-adapt to the jumping of the belt, and the bottoms of the measuring rollers are in tight contact with the surfaces of the belt.

3. The belt conveyor length measurement device of claim 2, wherein: and the limiting ring is fixedly connected to the upper end of the guide rod.

4. The belt conveyor length measurement device of claim 2, wherein: the limiting ring is characterized in that an internal thread is arranged on the inner wall of the limiting ring, and an external thread matched with the internal thread is arranged on the outer side of the guide rod so as to adjust the position of the limiting ring on the guide rod.

5. The belt conveyor length measurement device of claim 2, wherein: the linear bearing is arranged in the mounting seat, the upper end of the guide rod is connected with the mounting seat in a sliding manner through the linear bearing, and the guide rod can slide up and down in the linear bearing.

6. The belt conveyor length measurement device of claim 2, wherein: and two ends of the rotating cross shaft penetrate out of the base, and the rotating cross shaft is rotationally connected with the base.

7. The belt conveyor length measurement device of claim 2, wherein: the elastic piece is a spring.

8. The belt conveyor length measurement device of claim 1, wherein: the encoder adopts a hollow shaft type rotary encoder.