CN214778543U - Deviation preventing device for conveying belt of belt conveyor - Google Patents

Abstract

The utility model relates to a coal mining equipment technical field discloses a belt conveyor conveyer belt prevents centring device, including at least one last aligning bracket and at least one lower aligning bracket, go up the aligning bracket and all include the bracket with lower aligning bracket, the central point of bracket puts the department and passes through rotary mechanism installation bracket, install the pinch roller subassembly on the bracket. The utility model discloses, rotary mechanism and the pinch roller subassembly through both sides change the running angle of belt conveyor at the uneven or variable slope department conveyer belt of tunnel fluctuation, prevent that the conveyer belt from taking place the off tracking. The device simple structure, simple to operate, safe and reliable has reduced equipment, post operating personnel and conveyer trouble and maintenance work, has saved manpower and materials.

Description

Deviation preventing device for conveying belt of belt conveyor

Technical Field

The utility model relates to a coal mining equipment technical field specifically is a deviation device is prevented to band conveyer belt.

Background

The belt conveyor is main transportation equipment under a coal mine, can be used for the crossheading transportation of a comprehensive mechanical coal face of a medium-thickness coal seam, and can also be used for a crossheading and roadway tunneling transportation system of a common coal face of the medium-thickness coal seam; is responsible for the transportation task of underground coal and gangue. However, when the belt conveyor is installed underground, the supporting device is not flat and the conveyor belt is tight and loose at one side, or the conveyor belt is in the operation process, the carrier roller or the roller is not on the vertical section of the operation direction, so that the carrier roller is not installed correctly, the feeding position is not correct, the machine body is not correct, the abrasion degree of the two ends of the machine head guide roller is different, the operation resistance of the conveyor belt is increased, the conveyor belt slips, normal transportation cannot be realized, mine fire accidents can be caused, and the safety accidents of production are larger.

The problem of deviation of a belt conveyor at uneven roadways or variable slope points and the like is solved in the prior art, the requirement on the flatness of a foundation before equipment is installed is high, or equipment accessories which are installed are required to be adjusted on the same section; if the belt conveyor deviates due to the abrasion of parts in the running process, the belt conveyor needs to be stopped to adjust the position of a carrier roller arranged on the belt conveyor, and the center of the belt conveyor is adjusted through the change of the mounting position of the carrier roller. However, the above method has the following technical problems: 1. the workload and the labor intensity are large in the construction process, and the problem of long-term conveying belt deviation cannot be solved; 2. production is influenced by stopping the machine midway in the working process, so that the production efficiency is low, and certain potential safety hazards exist in the adjustment of the mounting position of the carrier roller; 3. the service life of the conveying belt is influenced, the faults of the conveyer and the maintenance work are increased, and manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deviation device is prevented to band conveyer belt makes the conveyer belt utilize the rotary mechanism automatic adjustment center of tuningout bearing roller frame at the operation process, has prevented the off tracking phenomenon that the conveyer belt operation in-process appears, has both improved the life of conveyer belt, has prevented again that the conveyer belt operation in-process from appearing skidding. The device has simple structure, convenient installation, safety and reliability, and solves the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a deviation device is prevented to belt conveyor conveyer belt, includes at least one and goes up aligning stand and at least one aligning stand down, go up aligning stand and all include the bracket down, the central point of bracket puts the department and passes through rotary mechanism installation bracket, install the pinch roller subassembly on the bracket.

As a further aspect of the present invention: the rotating mechanism comprises a base connected to the bracket, a rotating shaft is installed at the central axis position of the base, and a supporting plate is installed at one end, close to the bracket, of the rotating shaft.

As a further aspect of the present invention: the pinch roller mechanism includes the pinch roller shell, and inside axle line position department of pinch roller shell installs the last item through the bearing of symmetry setting, inside pinch roller shell was located to last item one end, and the pinch roller shell outside is located to the other end.

Compared with the prior art, the beneficial effects of the utility model are that:

the running angle of the belt conveyor at the position where the roadway is uneven or the slope is changed through the rotating mechanisms and the pinch roller assemblies on the two sides, so that the deviation of the belt conveyor is prevented. The device simple structure, simple to operate, safe and reliable has reduced equipment, post operating personnel and conveyer trouble and maintenance work, has saved manpower and materials.

Drawings

Fig. 1 is a schematic structural diagram of an upper centering bracket in a deviation preventing device of a conveying belt of a belt conveyor.

Fig. 2 is a schematic structural diagram of a lower aligning frame in a deviation preventing device for a conveying belt of a belt conveyor.

Fig. 3 is a schematic structural diagram of a rotating mechanism in a deviation preventing device of a conveyor belt of a belt conveyor.

Fig. 4 is a schematic structural diagram of a pinch roller assembly in the deviation preventing device for the conveying belt of the belt conveyor.

In the figure: 1-bracket, 2-bracket, 3-rotating mechanism, 4-pinch roller assembly, 31-base, 32, 33-fastening bolt, 34-rotating shaft, 35-elastic retainer ring, 36-pressing cover, 37-supporting plate, 41-blank cap, 42-bearing retainer ring, 43-pressing shaft, 44-pressing wheel shell, 45-bearing, 46-inner sealing ring, 47-outer sealing ring and 48-baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, an anti-deviation device for a belt conveyor includes at least one upper aligning frame and at least one lower aligning frame, the upper aligning frame and the lower aligning frame both include a bracket 2, a central position of the bracket 2 passes through a rotating mechanism mounting bracket 1, and a pinch roller assembly is mounted on the bracket 1.

Referring to fig. 3, the rotating mechanism includes a base 31 connected to the bracket 2, a rotating shaft 34 is installed at a central axis position of the base 31, and a supporting plate 37 is installed at an end of the rotating shaft 34 close to the bracket 1, in an embodiment, in order to further ensure a sealing effect on a bottom of the rotating shaft 34, a pressing cover 36 is connected to a bottom of the base 31 through at least two fastening bolts (32, 33), and a resilient collar 35 is further installed between the pressing cover 36 and the rotating shaft 34.

Referring to fig. 4, the pinch roller mechanism includes a pinch roller shell 44, a pressure shaft 43 is installed at a central axis position inside the pinch roller shell 44 through a bearing 45 symmetrically arranged, one end of the pressure shaft 43 is installed inside the pinch roller shell 44, the other end of the pressure shaft is installed outside the pinch roller shell 44, in order to ensure the sealing and dust-proof performance of the pressure shaft 43 inside the pinch roller shell 44, a blank cap 41 is installed at one end of the seal shell 44, a bearing retainer ring 42 is installed between the blank cap 41 and the pressure shaft 43, a baffle 48 matched with the pressure shaft 43 is installed at the other end of the seal shell 44, an outer seal ring 47 and an inner seal ring 46 are installed between the baffle 48 and the bearing 5 near one side of the baffle 48, and the outer seal ring 47 is close to one side of the baffle 48.

The utility model discloses a theory of operation is: the anti-deviation device for the belt conveyor mainly comprises a bracket 2, a bracket 1, a rotating mechanism, a pinch roller assembly and the like, the anti-deviation device for the belt conveyor is fixed on a rack of the belt conveyor through bolts, and the rotating mechanism and the pinch roller assembly between an upper bracket and a lower bracket change the deviation phenomena of uneven roadway fluctuation or uneven slope variation on two sides of the conveying belt at a slope variation point, different heights, different parts abrasion and the like, so that the problems of slipping, deviation and the like of the conveying belt are prevented. The device has simple structure, convenient installation, safety and reliability. The rotary mechanism is fixed on the bracket 2 and the bracket 1 by bolts, when the center of the conveyer belt deviates in the operation process, the rotary mechanism can adjust a certain angle under the action of the tension of the conveyer belt, so that the positions of the supporting rollers on the aligning frames at the two sides of the conveyer belt are automatically changed, in addition, the acting force of the pinch roller assembly can enable the center of the conveyer belt to move towards opposite directions, the rotary mechanism of the aligning frames is driven to adjust the angle towards opposite directions, when the conveyer belt returns to the center position, the rotary mechanism of the aligning frames is just driven to enable the supporting rollers at the two sides of the aligning frames to return to the same axis, at the moment, the center of the conveyer belt is superposed with the center of the conveyer, and the deviation condition of the conveyer belt is eliminated. The opposite deviation adjusting principle is the same. The bracket 1 and the bracket 2 of the deviation preventing device are formed by welding channel steel, angle iron and steel plates, are connected with the rotating mechanism and the pinch roller assembly through bolts, and can manufacture corresponding self-aligning carrier roller frames according to the specification and model of the belt conveyor. The anti-deviation device can be matched with a plurality of sets or a plurality of sets.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. The utility model provides a centring device is prevented to belt conveyor conveyer belt which characterized in that, includes at least one and goes up aligning bracket and at least one aligning bracket down, go up the aligning bracket and all include the bracket with aligning bracket down, the central point of bracket puts the department through rotary mechanism installation bracket, install the pinch roller subassembly on the bracket.

2. The device of claim 1, wherein the rotating mechanism comprises a base connected to the bracket, a rotating shaft is installed at a central axis of the base, and a supporting plate is installed at one end of the rotating shaft close to the bracket.

3. The deviation preventing device for the conveying belt of the belt conveyor as claimed in claim 1, wherein the pinch roller mechanism comprises a pinch roller shell, a pinch roller is mounted at the central axis position inside the pinch roller shell through symmetrically arranged bearings, one end of the pinch roller is arranged inside the pinch roller shell, and the other end of the pinch roller is arranged outside the pinch roller shell.

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