CN215401169U

CN215401169U - Conveyer belt anti-overload transmission structure

Info

Publication number: CN215401169U
Application number: CN202121254291.9U
Authority: CN
Inventors: 邹振东
Original assignee: Dongyue Kitchenware Metal Suzhou Co ltd
Current assignee: Dongyue Kitchen Electric Suzhou Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-04
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to an overload-proof transmission structure of a conveying belt, which comprises a conveying plate chain, a driving motor component and an anti-blocking mechanism, wherein the output end of a speed reducing motor in the driving motor component is in transmission connection with a driving roller of the conveying plate chain through a driving chain, the anti-blocking mechanism comprises a base, a spring, a travel switch and an ejector pin, the base is rotatably connected to the position, close to the driving motor component, of an external frame through a rotating shaft, one end of the spring is connected to one end, far away from a limit bolt, of the base, the other end of the spring is tightly connected to the external frame through a mounting seat, the travel switch is arranged on the mounting seat for mounting the spring, the ejector pin is fixedly arranged at the inner bottom of the external frame and corresponds to the contact position of the travel switch, the overload-proof transmission structure is used for preventing the driving motor from still running when the conveying machine is overloaded or clamped due to external factors, the motor is damaged due to overheating, the driving chain is broken and other structural parts are damaged, the dual protection is realized by matching with the penetration of an electronic overcurrent protection element.

Description

Conveyer belt anti-overload transmission structure

Technical Field

The utility model relates to the field of industrial equipment, in particular to an overload prevention transmission structure for a conveying belt.

Background

The conveyer belt, also called conveyer belt, is a composite product of rubber, fiber and metal, or a composite product of plastic and fabric, which is used in the conveyer belt to carry and convey materials. The conveyer belt is widely applied to occasions with short conveying distance and small conveying amount in the industries of cement, coking, metallurgy, chemical industry, steel and the like.

Traditional conveyer belt among the prior art all confirms whether need break off the drive power supply of motor through the change that detects motor current through penetrating electronic type overcurrent protection component in the circuit, nevertheless even so still can appear in daily use because the protection component fails the condition that in time work made the motor damage, to sum up, this application now proposes a conveyer belt overload prevention transmission structure and solves the problem that above-mentioned appears.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an anti-overload transmission structure for a conveyor belt, so as to solve the problems in the prior art.

Based on the above purpose, the utility model provides an overload prevention transmission structure for a conveyor belt, which comprises a conveyor plate chain, a driving motor assembly and an anti-blocking mechanism, wherein the conveyor plate chain is arranged on an external frame, the driving motor assembly is arranged on the external frame, the output end of a speed reducing motor in the driving motor assembly is in transmission connection with a driving roller of the conveyor plate chain through a driving chain so as to drive the conveyor plate chain to rotate, the anti-blocking mechanism comprises a base, a spring, a travel switch and a thimble, the base is rotatably connected to the position, close to the driving motor assembly, of the external frame through a rotating shaft, one end of the spring is connected to one end, far away from a limit bolt, of the base, the other end of the spring is tightly connected to the external frame through a mounting seat, the travel switch is arranged on the mounting seat for mounting the spring, and the thimble is fixedly arranged at the inner bottom of the external frame, and corresponds to the position of the travel switch contacts.

Preferably, the spring-mounting mount is slidably connected to the outer frame.

Preferably, the rotating shaft is fixedly connected with the handle, and the handle is sleeved with an anti-skid rubber sleeve.

Preferably, the travel switch is electrically connected with the driving motor assembly.

Preferably, the limiting device further comprises a limiting bolt, wherein the limiting bolt is fixed on the outer frame and is in contact with the base to prevent the limiting base from reversely rotating.

From the above, it can be seen that the beneficial effects of the present invention are: the utility model is used for preventing the damage of structural parts such as motor overheating and drive chain breakage caused by the fact that the drive motor still runs when the conveyor is overloaded or clamped due to external factors through the base, the spring, the travel switch and the thimble, and realizes double protection by matching with penetrating the electronic type overcurrent protection element.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2-3 are schematic structural views of the anti-rotation blocking mechanism in the present invention.

In the reference symbols: 1. a conveying plate chain; 2. a drive chain; 3. a drive motor assembly; 4. an anti-blocking rotation mechanism; 41. a base; 42. a spring; 43. a travel switch; 44. a thimble; 45. a rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Referring to fig. 1-3, an overload prevention transmission structure for a conveyor belt comprises a conveyor plate chain 1, a driving motor assembly 3 and an anti-rotation-blocking mechanism 4, wherein the conveyor plate chain 1 is mounted on an external frame, the driving motor assembly 3 is mounted on the external frame, an output end of a speed reduction motor inside the driving motor assembly 3 is in transmission connection with a driving roller of the conveyor plate chain 1 through a driving chain 2, so as to drive the conveyor plate chain 1 to rotate, the anti-rotation-blocking mechanism 4 comprises a base 41, a spring 42, a travel switch 43 and a thimble 44, the base 41 is rotatably connected to a position, close to the driving motor assembly 3, of the external frame through a rotating shaft 45, one end of the spring 42 is connected to one end, far away from a limit bolt, of the base 41, and the other end of the spring is tightly connected to the external frame through a mounting seat, the travel switch 43 is arranged on the mounting seat for mounting the spring 42, the ejector pin 44 is fixedly arranged at the inner bottom of the outer frame and corresponds to the contact position of the travel switch 43, and the utility model is used for preventing the damage of structural parts such as motor overheating and drive chain 2 breakage caused by the fact that a drive motor still runs when the conveyor is overloaded or clamped due to external factors through the base 41, the spring 42, the travel switch 43 and the ejector pin 44, and realizes double protection by matching with penetrating an electronic type overcurrent protection element.

As a modification of the above, the mounting seat of the mounting spring 42 is slidably connected to the outer frame.

As an improvement of the above scheme, the rotating shaft 45 is fixedly connected with the handle, and the handle is sleeved with an anti-skid rubber sleeve.

As a modification of the above, the travel switch 43 is electrically connected to the driving motor assembly 3.

As a modified solution of the above solution, the external frame further comprises a limit bolt, the limit bolt is fixed on the external frame, and the limit bolt contacts with the base 41 and is used for preventing the limit base 41 from reversely rotating.

The working process is as follows: when the conveyor normally operates, the limiting bolt can limit the reverse rotation of the base 41, the position of the base 41 is relatively stable, the ejector pin 44 is abutted to the contact of the travel switch 43, the driving motor assembly 3 normally works, when the conveyor plate chain or the conveyor chain is clamped and stops rotating, the handle is rotated, the handle drives the rotating shaft 45 to rotate, the rotating shaft 45 drives the base 41 to rotate, one end, close to the spring 42, of the base 41 to move upwards and drive the spring 42 to contract, the mounting seat for mounting the spring 42 to slide upwards, the contact of the travel switch 43 is separated from the ejector pin 44, the contact inside the travel switch 43 is disconnected, the power supply of the motor is cut off, and the conveyor stops operating.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a conveyer belt overload prevention transmission structure which characterized in that includes:

a conveyor plate chain (1), the conveyor plate chain (1) being mounted on an external frame;

the driving motor assembly (3) is arranged on the external frame, and the output end of a speed reducing motor in the driving motor assembly (3) is in transmission connection with a driving roller of the conveying plate chain (1) through a driving chain (2) so as to drive the conveying plate chain (1) to rotate;

prevent stifled commentaries on classics mechanism (4), prevent stifled commentaries on classics mechanism (4) and include:

the base (41), the said base (41) is connected to the position close to driving motor assembly (3) of the exterior frame rotatably through the spindle (45);

one end of the spring (42) is connected to one end, far away from the limiting bolt, of the base (41), and the other end of the spring (42) is tightly connected to the external frame through the mounting seat;

a travel switch (43), wherein the travel switch (43) is arranged on a mounting seat for mounting a spring (42); and

and the ejector pin (44) is fixedly arranged at the inner bottom of the outer frame and corresponds to the contact position of the travel switch (43).

2. A conveyor belt overload prevention transmission as in claim 1 wherein the mounting block of the mounting spring (42) is slidably attached to the outer frame.

3. The conveyor belt overload prevention transmission structure as recited in claim 1, wherein the rotating shaft (45) is fixedly connected with a handle, and an anti-skid rubber sleeve is sleeved on the handle.

4. A conveyor belt overload prevention transmission structure as claimed in claim 1, wherein the travel switch (43) is electrically connected to the drive motor assembly (3).

5. A conveyor belt overload prevention transmission structure as recited in claim 1, further comprising a limit bolt fixed to the outer frame and contacting the base (41) for preventing the limit base (41) from rotating reversely.