CN111532683A - Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor - Google Patents
Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor Download PDFInfo
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- CN111532683A CN111532683A CN202010385107.8A CN202010385107A CN111532683A CN 111532683 A CN111532683 A CN 111532683A CN 202010385107 A CN202010385107 A CN 202010385107A CN 111532683 A CN111532683 A CN 111532683A
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- 230000001276 controlling effect Effects 0.000 title claims abstract description 9
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- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000006855 networking Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000012790 confirmation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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Abstract
The invention discloses an automatic tension regulating and controlling system for a belt conveyor hydraulic tensioning device, which comprises a local hydraulic tensioning device, a local parameter sensor and a management regulating and controlling system, wherein the local parameter sensor is connected with the local parameter sensor; according to the automatic tension regulating system for the hydraulic tensioning device of the belt conveyor, the tension can be regulated at any time according to different working conditions, so that the larger tension is automatically provided when the adhesive tape machine is started, and the smaller tension is provided when the adhesive tape machine normally runs, so that the adhesive tape has scientific and reasonable tension in the working process, the adhesive tape is prevented from slipping when the adhesive tape machine is started, the adhesive tape machine can normally run without an over-tight state, the service life of the adhesive tape can be greatly prolonged, and the running cost of the conveyor is greatly saved; through the combination of local management system and remote management system, can exert the advantage of professional technical team, be convenient for promote by a wide margin to the scientific regulation and control of hydraulic tensioning device tension to can promote after-sales service team's response efficiency by a wide margin, promote user experience and producer service quality.
Description
Technical Field
The invention relates to the technical field of hydraulic tensioning device regulation, in particular to an automatic tension regulation and control system for a hydraulic tensioning device of a belt conveyor.
Background
The belt conveyor is a machine for conveying goods by using a rubber belt (a transmission belt), the tensioning device is an indispensable part of the belt conveyor and is one of main components influencing the conveying driving tension, the tensioning device is directly related to the safe operation and the service life of the belt conveyor, the tensioning device is particularly important for the normal operation of large-scale belt conveyors with large conveying capacity, long distance and the like, plays a vital role in the stable operation of the belt conveyor, and the performance of the tensioning device directly influences the working performance of the whole belt conveyor.
The tensioning devices in the prior art are various in types, and comprise a fixed tensioning device, a heavy hammer tensioning device and a hydraulic tensioning device, wherein the hydraulic tensioning device can be further divided into a common hydraulic tensioning device and a staged tensioning device, the tensioning force of the fixed tensioning device and the tensioning force of the heavy hammer tensioning device are generally kept constant all the time, and the conveying belt is always in an over-tensioned state in the stable operation process, so that the service life of the conveying belt is influenced.
Although the common hydraulic tensioning device can automatically increase the tensioning force when the driving roller and the conveying belt slide, the tensioning force cannot be automatically adjusted along with the change of the load on the conveying belt, and the staged tensioning device can adjust the tensioning force of the belt according to different requirements of the belt conveyor on the tension of the conveying belt under the starting and running working conditions, but also cannot dynamically adjust the change of the belt load in the running process of the belt conveyor.
Therefore, in order to solve the above technical problems, there is a need to provide an automatic tension regulating system for a belt conveyor hydraulic tensioning device.
Disclosure of Invention
In view of the above, the present invention provides an automatic tension regulating system for a hydraulic tensioning device of a belt conveyor, so as to solve the above problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides an automatic regulation and control system of belt conveyor hydraulic pressure overspeed device tensioner tension, includes local hydraulic pressure overspeed device tensioner, local parameter sensor and management regulation and control system, local parameter sensor includes material quality sensor and tension sensor, the management regulation and control system includes local management system and remote management system, be provided with thing networking systems and high in the clouds server between local management system and the remote management system, local management system can loop through thing networking systems and high in the clouds server and realize the communication with the remote management system, the remote management system includes remote management terminal, technical support team and after sale service team.
As a further improvement of the invention, the local hydraulic tensioning device comprises a hydraulic pump, a filter, a conventional check valve, an electromagnetic directional valve, a first overflow valve, a pressure gauge, a one-way throttle valve, a hydraulic control check valve, a second overflow valve, a stop valve, an energy accumulator, a pressure gauge, a pressure sensor and a hydraulic cylinder.
As a further improvement of the invention, the filter is arranged between the hydraulic pump and the conventional check valve, the first overflow valve is arranged between the filter and the conventional check valve, the one-way throttle valve is arranged between the electromagnetic directional valve and the pilot operated check valve, and the second overflow valve and the pressure sensor are arranged between the pilot operated check valve and the stop valve.
As a further improvement of the invention, the belt conveyor comprises an adhesive tape, the material quality sensor is an active nuclear level indicator, and the active nuclear level indicator is arranged on the upper side of the adhesive tape.
As a further improvement of the invention, the local hydraulic tensioning device also comprises a fixed pulley, a tensioning trolley and a steel wire rope.
As a further improvement of the invention, the tension sensor is arranged between the tensioning trolley and the steel wire rope.
As a further improvement of the invention, the maximum working pressure of the hydraulic cylinder is 20-30 Mpa.
As a further improvement of the tensioning trolley, the maximum tensioning force of the tensioning trolley is 400-500 KN.
As a further improvement of the present invention, the local management terminal includes a mobile management terminal and a PC management terminal, and both the mobile management terminal and the PC management terminal are provided with a security protection system.
As a further improvement of the invention, the safety protection system comprises a remote management authority setting function, a remote management instruction confirmation function and a remote help-seeking communication function.
The invention has the beneficial effects that: according to the automatic tension regulating system for the hydraulic tensioning device of the belt conveyor, the tension can be regulated at any time according to different working conditions, so that the larger tension is automatically provided when the adhesive tape machine is started, and the smaller tension is provided when the adhesive tape machine normally runs, so that the adhesive tape has scientific and reasonable tension in the working process, the adhesive tape is prevented from slipping when the adhesive tape machine is started, the adhesive tape machine can normally run without an over-tight state, the service life of the adhesive tape can be greatly prolonged, and the running cost of the conveyor is greatly saved;
through the combination of local management system and remote management system, can exert the advantage of professional technical team, be convenient for promote by a wide margin to the scientific regulation and control of hydraulic tensioning device tension to can promote after-sales service team's response efficiency by a wide margin, promote user experience and producer service quality.
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 described in 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 diagram of an automatic tension regulating system for a hydraulic tensioner of a belt conveyor according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation of an automatic tension regulating system for a hydraulic tensioner of a belt conveyor according to an embodiment of the present invention;
fig. 3 is a schematic view of a management regulation system of an automatic tension regulation system of a belt conveyor hydraulic tensioning device according to an embodiment of the invention.
In the figure: 1. the hydraulic system comprises a hydraulic pump, 2, a filter, 3, a conventional check valve, 4, an electromagnetic directional valve, 5, a first overflow valve, 6, a pressure gauge, 7, a one-way throttle valve, 8, a hydraulic control check valve, 9, a second overflow valve, 10, a stop valve, 11, an accumulator, 12, a pressure gauge, 13, a pressure sensor, 14, a hydraulic cylinder and 15, a tension sensor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the various drawings of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration and, therefore, are used only to illustrate the basic structure of the subject matter of the present invention.
Terms such as "left", "right", and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "to the right" of other elements or features would then be oriented "to the left" of the other elements or features. Thus, the exemplary term "right side" may encompass both left and right orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1 to 3, in an embodiment of the present invention, an automatic tension regulation and control system for a belt conveyor hydraulic tensioning device includes a local hydraulic tensioning device, a local parameter sensor and a management and control system, where the local parameter sensor includes a material quality sensor and a tension sensor. The local hydraulic tensioning device is used for executing a tensioning work instruction of the belt conveyor, the local parameter sensor is used for sensing the tension and measuring the material quality on the rubber belt of the belt conveyor, and the management control system is used for setting related parameters and adjusting and controlling the local hydraulic tensioning device.
The management regulation and control system comprises a local management system and a remote management system, wherein the local management system is used for controlling and managing the local hydraulic tensioning device by a user of the local hydraulic tensioning device, and the remote management system can realize remote control and management of a manufacturer or a person or a team scheduled to engage by the manufacturer on the corresponding hydraulic tensioning device.
Referring to fig. 3, an internet of things system and a cloud server are arranged between the local management system and the remote management system, and the local management system can communicate with the remote management system sequentially through the internet of things system and the cloud server, so that communication and communication between a user and a manufacturer or a person or a team for the manufacturer to arrange for hiring can be realized, sharing of expert teams can be realized, and the manufacturer can conveniently, quickly and accurately solve problems of the user in time.
In the prior art, a manufacturer must be contacted to delegate a technical staff to a site for maintenance after a fault occurs, since the delegated technical staff is not necessarily a technical expert, when the delegated technical staff cannot solve the problem of a user, the manufacturer is required to delegate the technical expert again in many cases, which not only wastes cost and time, but also influences the use of the user and influences production efficiency, through the cooperation between the local management system and the remote management system in the invention, the comprehensive analysis of data by the manufacturer can be realized, remote regulation and control and remote guidance are performed according to abnormal data, and the technical expert in the corresponding fault field is directionally delegated when the problem cannot be solved by the remote regulation and control and remote guidance, so that not only the cost consumption of the manufacturer can be reduced, but also the efficiency of solving the fault can be improved, and the waiting time of the user can be greatly reduced, user experience is greatly improved, and therefore competitiveness of manufacturer products is improved.
Referring to fig. 3, the remote management system includes a remote management terminal, a plurality of technical support teams and an after-sales service team, the technical support team can remotely regulate and guide corresponding devices through the remote management terminal, the remote management terminal is similar to the local management terminal, except that all devices in charge of maintenance can be managed, user information such as locations of the related devices can be displayed, the technical support teams and the after-sales service team can be handed over with each other, and the after-sales service team can select a corresponding technical support team to be handed over according to the type of a fault.
Referring to fig. 1, the local hydraulic tensioning device comprises a hydraulic pump 1, a filter 2, a conventional check valve 3, an electromagnetic directional valve 4, a first overflow valve 5, a pressure gauge 6, a check throttle valve 7, a hydraulic control check valve 8, a second overflow valve 9, a stop valve 10, an energy accumulator 11, a pressure gauge 12, a pressure sensor 13 and a hydraulic cylinder 14, wherein the maximum working pressure of the hydraulic cylinder 14 is 20-30 Mpa, the filter 2 is arranged between the hydraulic pump 1 and the conventional check valve 3, the first overflow valve 5 is arranged between the filter 2 and the conventional check valve 3, the check throttle valve 7 is arranged between the electromagnetic directional valve 4 and the hydraulic control check valve 8, and the second overflow valve 9 and the pressure sensor 13 are arranged between the hydraulic control check valve 8 and the stop valve 10.
The local hydraulic tensioning device is controlled by a corresponding electric control system, and the electric control system enables the electromagnetic directional valve 4 to be in a left position during tensioning; the pressure oil discharged from the hydraulic pump 1 firstly passes through the filter 2, the check valve 3, the electromagnetic directional valve 4, the check throttle valve 7 and the hydraulic control check valve 8 and then enters a piston rod cavity of the hydraulic cylinder 14, so that the hydraulic cylinder 14 reaches a preset tension. When the working pressure of the hydraulic cylinder 14 reaches 1.5 times the rated value, the tension sensor 15 sends a signal and the conveyor starts. After the stable start, the tension sensor 15 sends out a signal to make the three-position four-way valve turn to the right position, and when the working pressure of the system is set to the pressure required by the normal work, the tension sensor 15 sends out a signal to make the three-position four-way valve return to the middle position. When the load is overlarge, the high-pressure overflow valve 9 is opened and unloaded to protect the system. When the system pressure is lower than the normal working pressure, the pressure sensor sends out a signal to make the three-position four-way valve to be opened to the left position for oil supplement. When the working pressure of the system reaches the normal working pressure, the pressure sensor sends out a signal to enable the three-position four-way valve to return to the middle position.
Referring to fig. 2, the local hydraulic tensioning device further comprises a fixed pulley, a tensioning trolley and a steel wire rope, the tension sensor 15 is installed between the tensioning trolley and the steel wire rope, and the maximum tensioning force of the tensioning trolley is 400-500 KN.
The local management terminal comprises a mobile management terminal and a PC management terminal, the mobile management terminal and the PC management terminal are both provided with safety protection systems, each safety protection system comprises a remote management authority setting function, a remote management instruction confirmation function and a remote help-seeking communication function, the safety protection systems can prevent the remote control system from being illegally used, the remote management authority setting function can set the authority of remote management, the remote management instruction confirmation function is used for manually confirming whether to execute an instruction sent by remote management, and the remote help-seeking communication function is used for communication between a user and a manufacturer technical support team and an after-sale service team.
The belt conveyor comprises an adhesive tape, the material quality sensor is an active nuclear charge level indicator, the active nuclear charge level indicator is installed on the upper side of the adhesive tape, the quality of materials on the adhesive tape can be sensed in real time through the active nuclear charge level indicator, the materials are set according to the types of the materials on the adhesive tape through technical personnel in the field, the quality of the materials on the adhesive tape can be estimated according to data of the active nuclear charge level indicator, and important parameter basis can be provided for automatic regulation and control of tension.
The above systems can be developed and debugged by those skilled in the art according to the corresponding functions, and the corresponding electronic components are selected and used, which are well known to those skilled in the art, and the details are not described herein.
According to the technical scheme, the invention has the following beneficial effects:
according to the automatic tension regulating system for the hydraulic tensioning device of the belt conveyor, the tension can be regulated at any time according to different working conditions, so that the larger tension is automatically provided when the adhesive tape machine is started, and the smaller tension is provided when the adhesive tape machine normally runs, so that the adhesive tape has scientific and reasonable tension in the working process, the adhesive tape is prevented from slipping when the adhesive tape machine is started, the adhesive tape machine can normally run without an over-tight state, the service life of the adhesive tape can be greatly prolonged, and the running cost of the conveyor is greatly saved;
through the combination of local management system and remote management system, can exert the advantage of professional technical team, be convenient for promote by a wide margin to the scientific regulation and control of hydraulic tensioning device tension to can promote after-sales service team's response efficiency by a wide margin, promote user experience and producer service quality.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (10)
1. The utility model provides an automatic regulation and control system of belt conveyor hydraulic pressure overspeed device tensioner tension which characterized in that, includes local hydraulic pressure overspeed device tensioner, local parameter sensor and management regulation and control system, local parameter sensor includes material quality sensor and tension sensor, the management regulation and control system includes local management system and remote management system, be provided with thing networking system and high in the clouds server between local management system and the remote management system, local management system can loop through thing networking system and high in the clouds server and realize the communication with the remote management system, the remote management system includes remote management terminal, technical support team and after sale service team.
2. The automatic tension regulating system for the belt conveyor hydraulic tensioning device according to claim 1 is characterized in that the local hydraulic tensioning device comprises a hydraulic pump (1), a filter (2), a conventional check valve (3), an electromagnetic directional valve (4), a first overflow valve (5), a pressure gauge (6), a one-way throttle valve (7), a hydraulic control check valve (8), a second overflow valve (9), a stop valve (10), an energy accumulator (11), a pressure gauge (12), a pressure sensor (13) and a hydraulic cylinder (14).
3. The automatic tension regulating system for the belt conveyor hydraulic tensioning device according to claim 2, characterized in that the filter (2) is arranged between the hydraulic pump (1) and the conventional check valve (3), the first overflow valve (5) is arranged between the filter (2) and the conventional check valve (3), the check throttle valve (7) is arranged between the solenoid directional valve (4) and the pilot operated check valve (8), and the second overflow valve (9) and the pressure sensor (13) are arranged between the pilot operated check valve (8) and the stop valve (10).
4. The automatic tension regulating system for the hydraulic tensioning device of the belt conveyor as claimed in claim 1, wherein the belt conveyor comprises a rubber belt, the material quality sensor is an active nuclear level gauge, and the active nuclear level gauge is installed on the upper side of the rubber belt.
5. The automatic tension regulating system for the belt conveyor hydraulic tensioning device according to claim 1, wherein the local hydraulic tensioning device further comprises a fixed pulley, a tensioning trolley and a steel wire rope.
6. The automatic tension regulating system for the hydraulic tensioning device of the belt conveyor as claimed in claim 1, wherein the tension sensor (15) is mounted between the tensioning trolley and the wire rope.
7. The automatic tension regulating system for the belt conveyor hydraulic tensioning device according to claim 1, wherein the maximum working pressure of the hydraulic cylinder (14) is 20-30 Mpa.
8. The automatic tension regulating and controlling system for the belt conveyor hydraulic tensioning device according to claim 1, wherein the maximum tension of the tensioning trolley is 400-500 KN.
9. The automatic tension regulating and controlling system for the hydraulic tensioning device of the belt conveyor as claimed in claim 1, wherein the local management terminal comprises a mobile management terminal and a PC management terminal, and the mobile management terminal and the PC management terminal are both provided with safety protection systems.
10. The automatic tension regulating and controlling system for the hydraulic tensioning device of the belt conveyor as claimed in claim 9, wherein the safety protection system comprises a remote management authority setting function, a remote management instruction confirming function and a remote help seeking communication function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385107.8A CN111532683A (en) | 2020-05-09 | 2020-05-09 | Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010385107.8A CN111532683A (en) | 2020-05-09 | 2020-05-09 | Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor |
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| CN111532683A true CN111532683A (en) | 2020-08-14 |
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| CN202010385107.8A Pending CN111532683A (en) | 2020-05-09 | 2020-05-09 | Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103662658A (en) * | 2012-09-21 | 2014-03-26 | 江苏富莱士机械有限公司 | Full-automatic hydraulic tension device |
| CN204642957U (en) * | 2015-04-21 | 2015-09-16 | 南通易高机械有限公司 | A kind of conveyer belt auto-tensioning system |
| CN205312432U (en) * | 2016-01-24 | 2016-06-15 | 山东科技大学 | Belt conveyor hydraulic pressure overspeed device tensioner's control system |
| CN213036750U (en) * | 2020-05-09 | 2021-04-23 | 徐州工程学院 | Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor |
-
2020
- 2020-05-09 CN CN202010385107.8A patent/CN111532683A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103662658A (en) * | 2012-09-21 | 2014-03-26 | 江苏富莱士机械有限公司 | Full-automatic hydraulic tension device |
| CN204642957U (en) * | 2015-04-21 | 2015-09-16 | 南通易高机械有限公司 | A kind of conveyer belt auto-tensioning system |
| CN205312432U (en) * | 2016-01-24 | 2016-06-15 | 山东科技大学 | Belt conveyor hydraulic pressure overspeed device tensioner's control system |
| CN213036750U (en) * | 2020-05-09 | 2021-04-23 | 徐州工程学院 | Automatic tension regulating and controlling system for hydraulic tensioning device of belt conveyor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
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