Anti-eccentricity tensioning device for belt locomotive type tensioning tailstock

Abstract

The utility model relates to an anti-eccentricity tensioning device for a belt locomotive type tensioning tailstock, which comprises a locomotive type tensioning tailstock, a tensioning trolley, a tail roller and a tail tensioning piece, the locomotive type tensioning tailstock is arranged at the tail of a belt conveyor, and the center of the locomotive type tensioning tailstock is aligned with the center of a conveying belt of the belt conveyor. Limiting plates are formed on the two sides of the vehicle type tensioning tailstock, and rails are arranged on the upper portions of the limiting plates. The tensioning trolley comprises a trolley frame, walking wheels located on the two sides of the trolley frame and limiting wheel assemblies adjustably arranged on the two sides of the trolley frame, the walking wheels are arranged on the rails, and the limiting wheel assemblies are matched with the limiting plates for limiting, so that the center of the tensioning trolley is aligned to the center of the conveying belt; the tail roller is arranged at the upper end of the tensioning trolley; the tail end tensioning part is connected to the tail end of the tensioning trolley and connected with a balance weight of the belt conveyor, the technical problem that in the prior art, when the trolley is eccentric, timely adjustment cannot be conducted according to the use condition of a belt is solved, and continuous and stable operation of the belt conveyor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to material conveying field, concretely relates to a kind of eccentricity-preventing tensioning device for belt machine vehicle type tensioning tailstock. BACKGROUND

[0002] In prior art, vehicle type tensioning device is arranged at the tail drum of belt conveyor, which provides necessary stroke for belt of belt conveyor during replacement and reconnection of joint, and prevents belt from slipping on driving drum after tensioning.

[0003] Currently, when the conveying distance of belt conveyor is too long, the tensioning trolley on the vehicle type tensioning tailstock is prone to eccentricity after being tensioned by counterweight (such as weight), and the tensioning trolley cannot be adjusted in time according to the use condition of belt. SUMMARY

[0004] Based on the above description, the utility model provides an eccentricity-preventing tensioning device for belt machine vehicle type tensioning tailstock to solve the technical problem that the tensioning trolley for tensioning belt cannot be adjusted in time according to the use condition of belt when eccentricity occurs, and ensure the continuous and stable operation of belt conveyor.

[0005] The technical solution of the utility model to solve the above technical problem is as follows:

[0006] An eccentricity-preventing tensioning device for belt machine vehicle type tensioning tailstock, characterized in that it comprises a vehicle type tensioning tailstock, a tensioning trolley, a tail drum and a tail end tensioning member.

[0007] The vehicle type tensioning tailstock is arranged at the tail of belt conveyor, the center of the vehicle type tensioning tailstock is aligned with the center of the conveying belt of belt conveyor, and the two sides of the vehicle type tensioning tailstock form a limiting plate, and the upper part of the limiting plate is provided with a track.

[0008] The tensioning trolley comprises a frame, walking wheels located on both sides of the frame, and adjustable limiting wheel assemblies arranged on both sides of the frame, the walking wheels are arranged on the track, and the limiting wheel assemblies are matched with the limiting plate to limit the center of the tensioning trolley to be aligned with the center of the conveying belt.

[0009] The tail drum is arranged on the upper end of the tensioning trolley.

[0010] The tail end tensioning member is connected to the tail end of the tensioning trolley and connected with the counterweight of belt conveyor to tension the conveying belt.

[0011] Compared with prior art, the technical solution of the present application has the following beneficial technical effects:

[0012] The eccentricity-preventing tensioning device is designed to be aligned with the center of the conveying belt through the vehicle type tensioning tailstock, the lateral constraint of the tensioning trolley is combined with the two side limiting plates and the track, the lateral deviation is dynamically corrected by the adjustable limiting wheel assembly, the tensioning trolley is ensured to be always consistent with the center line of the belt, the eccentricity problem caused by uneven belt tension or installation deviation is effectively solved, the wear caused by deviation is avoided by the cooperation of the limiting wheel assembly and the limiting plate, the constant tension is provided by the counterweight, the direct bearing of the tail drum on the tail part of the belt is combined, the belt tension is uniformly and stably distributed, and the risk of belt breakage is reduced.

[0013] On the basis of the above technical scheme, the utility model further can make improvement as follows.

[0014] Further, the limiting wheel assembly comprises a limiting wheel frame, a hollow screw rod, a limiting wheel seat, an adjusting nut and a limiting wheel.

[0015] The limiting wheel frame comprises a shaft part and a wheel mounting part, the hollow screw rod is installed on the shaft part, and the limiting wheel is rotatably installed on the wheel mounting part.

[0016] A sleeve is formed on the limiting wheel seat, the sleeve is movably sleeved on the outside of the hollow screw rod, the adjusting nut is threadedly connected to the outside of the hollow screw rod, and the adjusting nut and the wheel mounting part are located at two ends of the sleeve.

[0017] Further, the vehicle frame comprises front and rear beams which are spaced apart in the front-rear direction, the tail end tensioning member comprises a guide wheel and a pull rope, the guide wheel is arranged on the tail beam, one end of the pull rope is connected to the guide wheel, and the other end is connected to the counterweight.

[0018] Further, the two guide wheels are symmetrically arranged at two ends of the tail beam, and the pull rope is arranged around the two guide wheels.

[0019] Further, two fixed pulleys are arranged at the tail end of the vehicle type tensioning tailstock, and the two ends of the pull rope are respectively turned after passing through one fixed pulley and connected to the counterweight.

[0020] Further, the pull rope is a steel wire rope.

[0021] Further, the vehicle frame further comprises mounting beams which are spaced apart in the left-right direction, the traveling wheels are mounted on the outside of the mounting beams, and a support table is arranged at the middle part of the mounting beam for placing the bearing seat of the tail drum. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the eccentricity-preventing tensioning device for the vehicle type tensioning tailstock of the belt conveyor provided by the embodiment of the application.

[0023] Figure 2 FIG. 1 is a structural schematic diagram of a vehicle type tensioning tailstock in an embodiment of the present application;

[0024] Figure 3 FIG. 2 is a structural schematic diagram of a tensioning trolley in an embodiment of the present application;

[0025] Figure 4 FIG. 3 is a structural schematic diagram of a limiting wheel assembly in an embodiment of the present application;

[0026] Figure 5 FIG. 4 is a sectional view of the limiting wheel assembly in an embodiment of the present application. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the relevant drawings. The drawings show embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0029] It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a figure, a spatially relative term that can have been used to describe a feature in the figure is to be interpreted to encompass both the feature oriented as depicted in the figure and the feature oriented opposite to the depiction in the figure. The spatially relative terms used herein, include “beneath”, “below”, “lower”, “under”, “above”, “upper” and the like, can be used herein for ease of description to describe one element or feature’s relationship to another element(s) or feature(s) as illustrated in the figures. It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a figure, a spatially relative term that can have been used to describe a feature in the figure is to be interpreted to encompass both the feature oriented as depicted in the figure and the feature oriented opposite to the depiction in the figure. The spatially relative terms used herein, include “beneath”, “below”, “lower”, “under”, “above”, “upper” and the like, can be used herein for ease of description to describe one element or feature’s relationship to another element(s) or feature(s) as illustrated in the figures. It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a figure, a spatially relative term that can have been used to describe a feature in the figure is to be interpreted to encompass both the feature oriented as depicted in the figure and the feature oriented opposite to the depiction in the figure.

[0030] It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a figure, a spatially relative term that can have been used to describe a feature in the figure is to be interpreted to encompass both the feature oriented as depicted in the figure and the feature oriented opposite to the depiction in the figure.

[0031] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", or the like, when used in this specification, specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

[0032] As shown in Figures 1-5 The belt vehicle type tensioning tailstock anti-eccentric tensioning device provided by the embodiment of the application is characterized by comprising a vehicle type tensioning tailstock 1, a tensioning trolley 2, a tail drum 3 and a tail end tensioning member 4.

[0033] The vehicle type tensioning tailstock 1 is arranged at the tail of the conveying belt conveyor 5, the center of which is aligned with the center of the conveying belt, ensuring that the device is consistent with the running direction of the belt and preventing the belt from running off due to the center deviation; the two sides of the vehicle type tensioning tailstock 1 form a limiting plate 11, which limits the deviation of the tensioning trolley 2 through transverse constraint, and the upper part of the limiting plate 11 is provided with a track 12 to provide a guide path for the walking wheel 22, ensuring that the tensioning trolley 2 moves along a straight line.

[0034] The tensioning trolley 2 comprises a trolley frame 21, walking wheels 22 arranged on both sides of the trolley frame 21 and an adjustable limiting wheel assembly 23, the walking wheels 22 are installed on the track 12 to reduce the moving resistance, and the limiting wheel assembly 23 cooperates with the limiting plate 11 to dynamically adjust the transverse position of the tensioning trolley 2, so that the center of the tensioning trolley 2 is always aligned with the center of the belt, avoiding the eccentric problem caused by uneven belt tension; the tail drum 3 is arranged at the upper end of the tensioning trolley 2, directly bearing the tail of the belt and transmitting the tensioning force; the tail end tensioning member 4 is connected to the tail end of the tensioning trolley 2 and connected with the counterweight of the conveying belt conveyor, providing constant tension through the counterweight to keep the belt tension stable.

[0035] Compared with the prior art, the application realizes transverse correction through the cooperation of the limiting plate 11, the track 12 and the limiting wheel assembly 23, preventing the belt from running off; the hollow screw 232 and the adjusting nut 234 structure of the limiting wheel assembly 23 are convenient for quickly adjusting the gap and adapt to different working conditions; the symmetrically arranged guide wheels 41 and the fixed pulleys 13 balance the tension distribution, reduce unilateral wear and improve stability.

[0036] The limiting wheel assembly 23 comprises a limiting wheel frame 231, a hollow screw 232, a limiting wheel seat 233, an adjusting nut 234 and a limiting wheel 235.

[0037] The limiting wheel frame 231 comprises a shaft part 2311 and a wheel mounting part 2312, the hollow screw 232 is mounted on the shaft part 2311, as a preferred connection mode, one end of the shaft part 2311 is formed with a limiting step, the other end is mounted with a limiting ring, the hollow screw 232 is limitedly mounted between the limiting step and the limiting ring, so that the displacement of the hollow screw 232 on the shaft part 2311 is restricted.

[0038] The limiting wheel 235 is rotatably mounted on the wheel mounting part 2312, reducing the frictional resistance with the limiting plate 11; the limiting wheel seat 233 is formed with a sleeve 2331, the sleeve 2331 movably sheaths outside the hollow screw 232, allowing the limiting wheel seat 233 to move axially along the hollow screw 232, the adjusting nut 234 is threadedly connected outside the hollow screw 232, and the adjusting nut 234 and the wheel mounting part 2312 are located at both ends of the sleeve 2331, by rotating the adjusting nut 234 to adjust the gap between the limiting wheel 235 and the limiting plate 11, the left-right transverse width of the tensioning trolley 2 can be adjusted, so that the center of the tensioning trolley 2 is always aligned with the center of the conveying belt.

[0039] Specifically, the trolley frame 21 comprises a front beam 211 and a tail beam 212 which are arranged at intervals in the front-rear direction; the tail end tensioning member 4 comprises a guide wheel 41 and a pull rope 42, the guide wheel 41 is arranged on the tail beam 212, for changing the force direction of the pull rope 42, one end of the pull rope 42 is connected to the guide wheel 41, and the other end is connected with the counterweight, so that the counterweight force is evenly transmitted to the tensioning trolley 2.

[0040] More preferably, the two guide wheels 41 are symmetrically arranged at both ends of the tail beam 212, dispersing the tension and balancing the force on the trolley; the pull rope 42 is arranged around the two guide wheels 41, forming a double-strand pull rope structure, improving the reliability of the tensioning force.

[0041] In the embodiment of the present application, the tail end of the trolley type tensioning tail frame 1 is further provided with two fixed pulleys 13 for guiding the pull rope 42 to turn; the two ends of the pull rope 42 are respectively turned after passing through one fixed pulley 13 and connected with the counterweight, so that the counterweight is vertically hung, reducing the space occupation.

[0042] Preferably, the pull rope 42 is a steel wire rope, which has high strength and wear resistance, prolonging the service life.

[0043] The trolley frame 21 further comprises a mounting beam 213 arranged at intervals in the left-right direction, providing a mounting base for the walking wheel 22; the walking wheel 22 is mounted on the outside of the mounting beam 213, maintaining stable contact between the trolley frame 21 and the track 12; the middle part of the mounting beam 213 is provided with a support table 214 for placing the bearing seat of the tail end roller 3, concentrating the load of the tail end roller weight, reducing the deformation of the trolley frame.

[0044] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A belt conveyor type tensioning tailstock anti-eccentricity tensioning device, characterized in that, Includes a vehicle-type tensioning tailstock, a tensioning trolley, a tail roller, and a tail end tensioning component; The vehicle-type tensioning tail frame is installed at the tail of the conveyor belt, and the center of the vehicle-type tensioning tail frame is aligned with the center of the conveyor belt of the conveyor belt. Limiting plates are formed on both sides of the vehicle-type tensioning tail frame, and a track is provided on the upper part of the limiting plate. The tensioning trolley includes a frame, traveling wheels located on both sides of the frame, and adjustable limiting wheel assemblies located on both sides of the frame. The traveling wheels are mounted on the track, and the limiting wheel assemblies cooperate with the limiting plate to limit the movement, so that the center of the tensioning trolley is aligned with the center of the conveyor belt. The tail roller is located at the upper end of the tensioning trolley; The tail tensioner is connected to the tail end of the tensioning trolley and to the counterweight of the conveyor belt to tension the conveyor belt.

2. The anti-eccentricity tensioning device for belt conveyor type tensioning tailstock according to claim 1, characterized in that, The limiting wheel assembly includes a limiting wheel frame, a hollow screw, a limiting wheel seat, an adjusting nut, and a limiting wheel; The limiting wheel frame includes a shaft and a wheel mounting part. The hollow screw is mounted on the shaft, and the limiting wheel is rotatably mounted on the wheel mounting part. A sleeve is formed on the limiting wheel seat. The sleeve is movably fitted onto the outside of the hollow screw. The adjusting nut is threaded onto the outside of the hollow screw, and the adjusting nut and the wheel mounting part are located at both ends of the sleeve.

3. The anti-eccentricity tensioning device for a belt conveyor type tensioning tailstock according to claim 1, characterized in that, The frame includes a front beam and a rear beam spaced apart in the longitudinal direction. The rear end tensioning member includes a guide wheel and a pull rope. The guide wheel is disposed on the rear beam, and one end of the pull rope is connected to the guide wheel and the other end is connected to the counterweight.

4. The anti-eccentricity tensioning device for a belt conveyor type tensioning tailstock according to claim 3, characterized in that, The two guide wheels are symmetrically arranged at both ends of the tail beam, and the pull rope is arranged to pass around the two guide wheels.

5. The anti-eccentricity tensioning device for a belt conveyor type tensioning tailstock according to claim 4, characterized in that, The tail end of the vehicle-type tensioning frame is equipped with two fixed pulleys. The two ends of the pull rope pass over one fixed pulley and then turn and connect to the counterweight.

6. The anti-eccentricity tensioning device for a belt conveyor type tensioning tailstock according to claim 3, characterized in that, The pull rope is a steel wire rope.

7. The anti-eccentricity tensioning device for a belt conveyor type tensioning tailstock according to claim 3, characterized in that, The frame also includes mounting beams spaced apart in the left-right direction. The wheels are mounted on the outer side of the mounting beams, and a support platform is provided in the middle of the mounting beams for placing the bearing seat of the tail roller.

Images