CN217866405U - Automatic hydraulic tensioning system for conveying belt - Google Patents
Automatic hydraulic tensioning system for conveying belt Download PDFInfo
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- CN217866405U CN217866405U CN202221253052.6U CN202221253052U CN217866405U CN 217866405 U CN217866405 U CN 217866405U CN 202221253052 U CN202221253052 U CN 202221253052U CN 217866405 U CN217866405 U CN 217866405U
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- conveying belt
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Abstract
An automatic hydraulic tensioning system for a conveying belt belongs to the technical field of mining belt conveyors. The device mainly comprises a tensioning winch, a hydraulic oil cylinder and a sliding trolley, wherein the tensioning winch, the hydraulic oil cylinder and the sliding trolley are connected through a steel wire rope wound on a pulley block. The tensioning pump and the tension sensor are respectively connected with the tensioning electric cabinet, the tension sensor on the steel wire rope changes, the tension sensor transmits a signal to the tensioning electric cabinet, the tensioning electric cabinet controls the tensioning pump to start, the output end of the oil cylinder stretches to drive the tensioning winch to start, the steel wire rope on the tensioning winch stretches or is tensioned to drive the sliding trolley to slide, and the conveying belt is adjusted to be automatically tensioned. The system has good starting characteristic, can realize quick response, and prolongs the service life of parts of the belt conveyor. The system can automatically tension and adjust loose conveying belts, reduces the running resistance of the conveying belts, prolongs the service life of the conveying belts, fully utilizes the existing space of coal mine production, and has simple structure and reasonable design.
Description
Technical Field
The utility model belongs to the technical field of mining belt conveyor, in particular to automatic hydraulic tensioning system of conveyer belt.
Background
The belt conveyor is used as an indispensable conveying tool of a coal mine assembly line, is widely applied to various industries, and has the characteristics of large conveying capacity, strong bearing capacity and long conveying distance. Wherein the tensioning device is a core component which constitutes the belt conveyor and is directly related to the stability of the belt conveyor. The conveying belt transmission is a transmission mode commonly used by an assembly line, the conveying belt is not made of complete elastomer materials, and can be loosened due to deformation after a period of operation, the roller cannot drive the conveying belt to transmit, and even the phenomena of deviation, slippage and the like of the conveying belt occur, so that the working efficiency is seriously influenced.
Disclosure of Invention
The utility model aims at providing an automatic hydraulic tensioning system of conveyer belt, which is not enough for the prior art.
The technical scheme adopted by the utility model is as follows: an automatic hydraulic tensioning system for a conveyor belt is technically characterized by comprising a hydraulic oil cylinder, a tensioning winch, a tension sensor, a tensioning pump, a tensioning electric cabinet, a sliding trolley, a fixed base, a pulley block and a sliding track, wherein the tensioning pump and the tension sensor are respectively connected with the tensioning electric cabinet; the tensioning winch is connected with the sliding trolley through a steel wire rope wound on the pulley block, a mounting pulley in the pulley block is connected with an output end of a hydraulic oil cylinder connected to the second base, a direction-changing drum is mounted on the sliding trolley, the conveying belt is wound on the direction-changing drum, tension on two sides of the conveying belt is adjusted through the direction-changing drum to prevent the conveying belt from deviating, and when the belt tension changes, the sliding trolley automatically rolls along a sliding rail under the traction force of the steel wire rope by utilizing a roller mounted at the bottom to adjust the tensioning degree of the conveying belt.
In the above scheme, the head end of the steel wire rope is fixed at the front end of the tensioning winch, and the tail end of the steel wire rope is connected to the first fixing base after passing through the pulley block.
In the scheme, the tensioning pump and the tensioning electric cabinet are arranged on one side of the bracket.
The utility model has the advantages that: the automatic hydraulic tensioning system for the conveying belt mainly comprises a tensioning winch, a hydraulic oil cylinder and a sliding trolley, wherein the tensioning winch, the hydraulic oil cylinder and the sliding trolley are connected through a steel wire rope wound on a pulley block. The tensioning pump and the tension sensor are respectively connected with the tensioning electric cabinet, the tension sensor on the steel wire rope changes, the tension sensor transmits signals to the tensioning electric cabinet, and the tensioning electric cabinet controls the tensioning pump to start. The tensioning pump is used for filling hydraulic oil into a front cavity of the hydraulic oil cylinder, so that the output end of the oil cylinder stretches and retracts to drive the tensioning winch to start, a steel wire rope on the tensioning winch stretches and retracts or is tensioned, and meanwhile, the sliding trolley is driven to slide by matching with the stretching and retracting of the hydraulic oil cylinder to adjust the automatic tensioning of the conveying belt. The system has better starting characteristics, the tension of the belt conveyor can be adjusted according to the field requirements, and particularly, the tension system can provide higher tension for the conveyor at the initial starting stage of the conveyor, so that the slipping problem is avoided; the quick response can be realized, and the tensioning device arranged on the belt conveyor can quickly adjust the tensioning force according to the operation condition of the conveyor, so that the occurrence rate of the slip, tear and fracture faults of the conveyor belt is reduced; the service lives of parts of the belt conveyor are prolonged, and the hydraulic tensioning device can provide certain tensioning force for the conveyor belt when the belt conveyor operates normally, so that the aging of the conveyor belt can be delayed to a certain extent, and the failure rate of carrier rollers is reduced; the system can automatically tension and adjust the loose conveying belt, reduces the running resistance of the conveying belt, prolongs the service life of the conveying belt, fully utilizes the existing space of coal mine production, and has simple structure and reasonable design.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the embodiments 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 front view of a hydraulic automatic tensioning system of a conveyor belt in an embodiment of the present invention;
fig. 2 is a top view of the hydraulic automatic tensioning system of the conveyer belt in the embodiment of the present invention;
the numbers in the figure illustrate the following: the device comprises a conveyor belt assembly 1, carrier rollers 2, a support 3, a tensioning winch 4, a first fixing base 5, a hydraulic oil cylinder 6, a steel wire rope 7, a tensioning electric cabinet 8, a tensioning pump 9, a pulley base 10, a sliding trolley 11, a sliding track 12, a pulley block 13, a tension sensor 14, a roller 15, a direction-changing roller 16 and a second fixing base 17.
Detailed Description
The above objects, features and advantages of the present invention will be more clearly understood and the present invention will be explained in more detail with reference to the accompanying drawings 1-2 and the detailed description thereof.
The automatic tensioning system of conveyer belt hydraulic pressure that this embodiment adopted includes: the device comprises a conveyor belt assembly 1, a support 3, a tensioning winch 4, a tensioning pump 9, a tensioning electric cabinet 8, a hydraulic oil cylinder 6, a tension sensor 14, a sliding trolley 11, a fixed base 5, a pulley block 13, a pulley base 10, a sliding rail 12 and a turnabout drum 16.
The tensioning pump 9 and the tensioning electric cabinet 8 in the embodiment are both arranged on one side of the support 3, and the conveying belt assembly 1 is arranged on the upper surface of the support 3 through the carrier roller 2. The tensioning pump 9 and the tension sensor 14 are respectively connected with the tensioning electric cabinet 8, the tension sensor 14 is used for acquiring tension data of the steel wire rope 7 and transmitting signals to the tensioning electric cabinet 8, and the tensioning electric cabinet 8 sends control instructions to the tensioning pump 9 according to the received signals. The tensioning electric control box 8 in the embodiment can be connected with the centralized control system of the conveying belt assembly 1 by using an interface, so that the remote monitoring of the belt conveyor is realized.
The power output end of the tensioning pump 9 is connected with the hydraulic oil cylinder 6, and hydraulic oil is filled into the front cavity of the hydraulic oil cylinder to enable the output end of the hydraulic oil cylinder to stretch and further drive the tensioning winch 4 to start. In this embodiment, the tensioning winch 4, the hydraulic oil cylinder 6 and the sliding trolley 11 are connected together by using the steel wire rope 7 and the pulley block 13, which specifically comprises: the head end of the steel wire rope 7 is fixed at the front end of the tensioning winch 4, and the tail end of the steel wire rope 7 is connected to the first fixed base 5 through the pulley block 13. The pulley block 13 is mainly composed of three pulleys, which are two fixed pulleys connected to the sliding trolley 11 through the first fixed base 5 and the second fixed base 17, and an installation pulley located between the two fixed pulleys, wherein the installation pulley is located between the two fixed pulleys and connected with the output end of the hydraulic oil cylinder 6 connected to the second fixed base 17 to drive the installation pulley to move up and down to adapt to the tensioning degree of the steel wire rope 7.
In this embodiment, a tension sensor 14 is connected to the wire rope near the first fixed base 5.
In this embodiment, the direction-changing roller 16 is installed on the sliding trolley 11, and is connected with the conveyor belt assembly 1 through the direction-changing roller 16, the roller 15 is installed at the lower part of the sliding trolley, and the roller 15 can drive the sliding trolley 11 to freely roll on the sliding rail 12. The turnabout drum 16 on the sliding trolley 11 can adjust tension imbalance on two sides of the conveying belt, prevent the conveying belt from deviating and have a self-locking function. When the tension of the conveying belt on the sliding trolley 11 exceeds the variation range, the tension sensor 14 on the steel wire rope 7 is changed, the hydraulic tensioning system is automatically started, namely the steel wire rope on the tensioning winch 4 is stretched or tensioned, and meanwhile, the sliding trolley 11 is driven to slide by matching with the stretching of the hydraulic oil cylinder 6, and the automatic tensioning of the conveying belt assembly 1 is adjusted.
The working principle of the hydraulic automatic tensioning system for the conveying belt in the embodiment is as follows:
when the tension of the conveying belt on the sliding trolley exceeds the variation range, the tension sensor on the steel wire rope is changed, the tension sensor transmits a signal to the tensioning electric cabinet, and the tensioning electric cabinet controls the tensioning pump to start. The tensioning pump is used for filling hydraulic oil into a front cavity of the hydraulic oil cylinder, so that the output end of the oil cylinder stretches and retracts to drive the tensioning winch to start, a steel wire rope on the tensioning winch stretches and retracts or is tensioned, and meanwhile, the sliding trolley is driven to slide by matching with the stretching and retracting of the hydraulic oil cylinder to adjust the automatic tensioning of the conveying belt.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. An automatic hydraulic tensioning system for a conveyor belt is characterized by comprising a hydraulic oil cylinder, a tensioning winch, a tension sensor, a tensioning pump, a tensioning electric cabinet, a sliding trolley, a fixed base, a pulley block and a sliding track, wherein the tensioning pump and the tension sensor are respectively connected with the tensioning electric cabinet; the tensioning winch is connected with the sliding trolley through a steel wire rope wound on the pulley block, an installation pulley in the pulley block is connected with an output end of a hydraulic oil cylinder connected to the second base, a direction-changing drum is installed on the sliding trolley, the conveying belt is wound on the direction-changing drum, tension on two sides of the conveying belt is adjusted through the direction-changing drum to prevent the conveying belt from deviating, and when the belt tension changes, the sliding trolley utilizes a roller installed at the bottom and automatically rolls along a sliding rail under the traction force of the steel wire rope to adjust the tension of the conveying belt.
2. The automatic hydraulic tensioning system for conveyor belts as claimed in claim 1 wherein the head end of the cable is fixed to the front end of the tensioning winch and the tail end of the cable is connected to the first stationary base after passing through the pulley block.
3. An automatic hydraulic belt tensioning system according to claim 1 wherein the tensioning pump and tensioning electronic control box are mounted to one side of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253052.6U CN217866405U (en) | 2022-05-24 | 2022-05-24 | Automatic hydraulic tensioning system for conveying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253052.6U CN217866405U (en) | 2022-05-24 | 2022-05-24 | Automatic hydraulic tensioning system for conveying belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217866405U true CN217866405U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221253052.6U Active CN217866405U (en) | 2022-05-24 | 2022-05-24 | Automatic hydraulic tensioning system for conveying belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217866405U (en) |
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2022
- 2022-05-24 CN CN202221253052.6U patent/CN217866405U/en active Active
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