CN115771720A - Tensioning and deviation rectifying structure and method for conveyor belt - Google Patents
Tensioning and deviation rectifying structure and method for conveyor belt Download PDFInfo
- Publication number
- CN115771720A CN115771720A CN202211550186.9A CN202211550186A CN115771720A CN 115771720 A CN115771720 A CN 115771720A CN 202211550186 A CN202211550186 A CN 202211550186A CN 115771720 A CN115771720 A CN 115771720A
- Authority
- CN
- China
- Prior art keywords
- tensioning
- roller
- conveyor belt
- controller
- power equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a tensioning and deviation rectifying structure and method of a conveyor belt, which comprises the following steps: the power mechanism comprises a driving roller; the tensioning mechanism comprises a tensioning roller and tensioning power equipment positioned on two sides of the tensioning roller; a pressure sensor; the conveying belt is wound between the tension roller and the power roller; the detection mechanism is positioned on at least one side of the length direction of the conveyor belt; the controller is electrically connected with the main motor, the tensioning power equipment and the detection mechanism; wherein, tensioning power equipment is located conveyer belt length direction's both sides are used for driving respectively or simultaneously tensioning roller tip is along conveyer belt length direction displacement, detection mechanism detects the skew of conveyer belt and reaches after setting for the deviant, feedback signal to controller, the controller is guaranteeing tensioning power equipment's pressure value normal condition, and control tensioning power equipment work makes the tensioning roller rectifies.
Description
Technical Field
The invention relates to the technical field of deviation rectification, in particular to a tensioning and deviation rectification structure and method for a conveyor belt.
Background
Steel belts and belts are generally used as conveyors to convey objects, so that the objects can be transferred, and in the application of the conveyors, due to the fact that the conveyors are not installed and used properly, the operation process of the conveyors deviates from a normal position, and therefore most conveyors need to be provided with deviation rectifying structures.
The existing deviation rectifying structure is only provided with a double-acting cylinder to enable a deviation rectifying roller to swing in a reciprocating mode, so that the deviation rectifying effect on a conveying belt is achieved, the conveying belt is easy to loosen in the adjusting process, and the conveying belt after deviation rectifying cannot be guaranteed to achieve a good tensioning effect.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a structure and a method for tensioning and correcting a conveyor belt. The problem that the conveying belt is loosened after deviation correction can be solved, and the conveying belt can still achieve the tensioning effect after deviation correction.
The technical scheme adopted by the invention for solving the problems is as follows:
a belt tensioning and deviation rectifying structure comprising: the power mechanism comprises a driving roller; the tensioning mechanism comprises a tensioning roller and tensioning power equipment positioned on two sides of the tensioning roller; the pressure sensor is used for detecting the pressure values of the two tensioning power devices; the conveying belt is wound between the tension roller and the power roller; the detection mechanism is positioned on at least one side of the length direction of the conveyor belt; the controller is electrically connected with the main motor, the tensioning power equipment and the detection mechanism; wherein, tensioning power equipment is located conveyer belt length direction's both sides are used for driving respectively or simultaneously tensioning roller tip is along conveyer belt length direction displacement, detection mechanism detects the skew of conveyer belt and reaches behind the settlement deviant, feedback signal to controller, the controller is guaranteeing under the pressure value normal condition of tensioning power equipment, controls two tensioning power equipment work and makes the tensioning roller inclines for the drive roll to rectify.
By adopting the scheme, the pressure sensor detects that the pressure value of the tensioning power equipment is in a normal state, so that the conveyor belt cannot be too loose or too tensioned to cause deformation, and the conveyor belt is ensured to be corrected in a normal tensioning range.
Further, the power mechanism further comprises a main motor, and the main motor is used for driving the driving roller.
Through adopting above-mentioned scheme, provide the power of conveying for the conveyer belt.
Further, the tensioning roller has the roller bearing, the roller bearing is located on the roller seat, tensioning power equipment is connected with the roller seat, in order to be used for doing the roller seat provides conveyer belt length direction's thrust or pulling force.
Through adopting above-mentioned scheme, can be used to control the roller both ends of tension and carry out the displacement, realize the adjustment of rectifying a deviation of tensioning roller.
Further, at least one side of the length direction of the conveyor belt is also provided with a first position detection sensor, and the first position detection sensor is used for detecting and feeding back a position signal of the roller seat for the controller in real time.
Through adopting above-mentioned scheme for detect the position of roller seat, so that the controller can control the roller seat removal at tensioning roller both ends at the in-process of rectifying.
Further, the detection mechanism includes: the device comprises a conveying belt, a limit position safety protection switch and a control system, wherein at least one limit position safety protection switch is arranged on at least one side of the limit position safety protection switch along the length direction of the conveying belt, and the limit position safety protection switch is used for limiting the maximum distance value of the deviation of the conveying belt; a second position detection sensor; at least one second position detection sensor is arranged on at least one side of the second position detection sensor along the length direction of the conveyor belt, and the second position detection sensor is used for detecting the conveyor belt deviation difference value in real time and feeding back the conveyor belt deviation difference value for the controller.
By adopting the scheme, the device is used for detecting the deviation of the conveyor belt, and a signal is fed back by the controller when the deviation reaches the maximum limit.
Further, the first position detection sensor is a displacement sensor or a potentiometer.
By adopting the scheme, the device belongs to a robot sensor, is stable in operation and high in measurement precision.
Further, the second position detection sensor is an ultrasonic sensor.
By adopting the scheme, the ultrasonic sensor is a sensor for converting an ultrasonic signal into an electric signal. Ultrasonic waves are mechanical waves with a vibration frequency higher than 20 kHz. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, good directivity, directional propagation as rays and the like.
A tensioning and deviation rectifying method for a conveyor belt comprises the following steps: s1, the conveyor belt is wound on a tension roller and a driving roller, and the tension power equipment controls the displacement of the tension roller; s2, detecting the pressure value of the tensioning power equipment in real time and feeding the pressure value back to a controller, wherein the controller receives the pressure value and compares the pressure value with a preset pressure value; s3, detecting the real-time displacement X2 of the conveyor belt, comparing the real-time displacement X2 with an initial preset value X1 of the conveyor belt to obtain a comparison difference value, comparing the comparison difference value with a maximum deviation value M of an extreme position safety protection switch in a detection mechanism, and feeding back the comparison difference value to the controller; and S4, the controller judges the displacement direction of the conveyor belt according to the signal fed back by the limit position safety protection switch and corrects the deviation in real time.
By adopting the scheme, the deviation can be corrected under the condition of ensuring the tensioning state, and the stable tensioning effect of the corrected conveying belt is ensured.
Further, in S4, the method of determining the direction in which the conveyor belt is offset includes: from overlooking the angle, use conveyer belt length direction as the benchmark, one side that the conveyer belt is close to the tensioning roller is the front side, and then when the controller received the extreme position safety protection switch feedback signal that is located the left side of conveyer belt, the conveyer belt squinted to the left, otherwise squint to the right.
By adopting the scheme, the controller can quickly respond and judge accurately.
Further, in S1, the controller detects the positions of the roller seats at the two ends of the tensioning roller in real time through two first position detection sensors and feeds back the positions, so that the tensioning power equipment is determined to drive the two sides of the tensioning roller to move, and the controller is used for accurately controlling the inclination and the level of the tensioning roller.
By adopting the scheme, the controller automatically corrects the deviation and improves the automation effect.
In summary, the tensioning and deviation rectifying structure and method for the conveyor belt provided by the invention have the following technical effects:
1. the two tensioning power devices are matched with the first position detection sensor, so that the conveyor belt can be installed, and the accurate adjustment capability on the tensioning or loosening adjustment effect of the conveyor belt is achieved;
2. the tensioning power equipment has a pressure detection function, detects the tensioning pressure in real time and ensures that the tensioning pressure of the conveyor belt is in a safe range;
3. a limit position safety protection switch is arranged, so that a signal of the conveyor belt, which needs to be rectified, is fed back accurately;
4. the conveyer belt can be guaranteed to be in all the time and rectify under normal tensioning state on the whole, the stability of rectifying of conveyer belt is improved.
Drawings
FIG. 1 is a schematic structural diagram of a left side view and a right side view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a top view of the tension roller according to the embodiment of the invention.
Wherein the reference numerals have the following meanings: 1. a drive roll; 2. a main motor; 3. tensioning the power plant; 4. a first position detection sensor; 5. a pressure sensor; 6. a limit position safety protection switch; 7. a second position detection sensor; 8. a conveyor belt; 9. a tension roller; 91. a tension roller seat.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the drawings of the present invention, and it is obvious that only a part of the embodiments of the present invention, not all of them, are described herein, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
For the convenience of understanding the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and the embodiments are not limited to the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Embodiment 1 of the invention is shown in fig. 1-2, and discloses a tensioning and deviation rectifying structure of a conveyor belt 8, which comprises a power mechanism, a tensioning mechanism, a pressure sensor 5, the conveyor belt 8, a detection mechanism and a controller (not shown in the figure), wherein the power mechanism comprises a driving roller 1 and a main motor 2, and the main motor 2 is used for driving the driving roller 1; straining device includes tensioning roller 9 and the tensioning power equipment 3 that is located tensioning roller 9 both sides, tensioning roller 9 has the roller bearing, the roller bearing is located on roller seat 91, tensioning power equipment 3 is connected with roller seat 91, for being used for doing roller seat 91 provides 8 length direction's of conveyer belt thrust or pulling force, and in this embodiment, tensioning power equipment 3 adopts hydraulic cylinder, two hydraulic cylinder's output is used for driving roller seat 91 motion at tensioning roller 9 both ends respectively, and two roller seat 91 sides still are provided with first position detection sensor 4, first position detection sensor 4 is used for detecting and feeding back for the controller real time the position signal of roller seat 91. In the present embodiment, the first position detecting sensor 4 is a displacement sensor or a potentiometer, and the measurement precision is high.
The pressure sensor 5 is used for detecting pressure values of the two hydraulic oil cylinders and is used for ensuring that the pressures of the two hydraulic oil cylinders are in a normal range, and it should be noted that the normal range is the pressure range of the hydraulic oil cylinders when the conveyor belt 8 is kept tensioned, so that the maximum pressure value is exceeded, the conveyor belt 8 has a risk of excessive tensioning deformation, and the conveyor belt 8 is in a loose state when the minimum pressure value is smaller than the minimum pressure value; the conveyor belt 8 is wound between the tension roller 9 and the power roller, in this embodiment, the conveyor belt 8 is a steel belt or a belt, and in other embodiments, the conveyor belt is not limited to other belt-shaped materials.
The detection mechanism is positioned on at least one side of the length direction of the conveyor belt 8, and specifically comprises an extreme position safety protection switch 6 and a second position detection sensor 7; at least one limit position safety protection switch 6 is arranged on at least one side of the length direction of the conveyor belt 8, and the limit position safety protection switch 6 is used for limiting the maximum distance value of the offset of the conveyor belt 8; at least one second position detection sensor 7 is arranged on at least one side of the length direction of the conveyor belt 8, and the second position detection sensor 7 is used for detecting and feeding back the offset difference value of the conveyor belt 8 for the controller in real time. In the present embodiment, the second position detection sensor 7 is an ultrasonic sensor, which is a sensor that converts an ultrasonic signal into an electric signal. Ultrasonic waves are mechanical waves with a vibration frequency higher than 20 kHz. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, good directivity, directional propagation as rays and the like.
The controller is used for receiving and controlling signals fed back by the main motor 2, the hydraulic oil cylinder, the pressure sensor 5 and the detection mechanism; two hydraulic cylinder is located 8 length direction's both sides of conveyer belt for drive respectively or simultaneously 9 tip of tensioning roller move along 8 length direction of conveyer belt, detection mechanism detects behind 8 skew of conveyer belt reaching the settlement deviant, feedback signal to controller, the controller is guaranteeing under the pressure value normal condition of tensioning power equipment 3, controls two tensioning power equipment 3 work and makes tensioning roller 9 inclines for drive roll 1 to rectify a deviation, pressure sensor 5 detects the pressure value of tensioning power equipment 3 is in under the normal condition, thereby makes conveyer belt 8 can not too lax or too the tensioning leads to the deformation, is guaranteeing that conveyer belt 8 rectifies a deviation in normal tensioning range.
The invention also relates to a tensioning and deviation rectifying method of the conveyor belt 8, which comprises the following steps:
s1, mounting: the conveying belt 8 is wound on the tension roller 9 and the driving roller 1, and the two hydraulic oil cylinders are respectively or simultaneously controlled through the controller, so that the two ends of the tension roller 9 are respectively or simultaneously controlled to move in the length direction of the conveying belt 8, the conveying belt 8 is tensioned or loosened, and the installation of the conveying belt 8 is realized; specifically, drive the messenger simultaneously when two hydraulic cylinder, can make and carry out the holistic elasticity regulation of conveyer belt 8 under the prerequisite that tensioning roller 9 and drive roll 1 keep parallel, when two hydraulic cylinder drives alone, be used for realizing the rectifying to conveyer belt 8, the controller passes through two first position detection sensor 4 real-time detection the position and the feedback of the roller seat 91 at tensioning roller 9 both ends to confirm hydraulic cylinder drives the direction that the displacement was carried out in tensioning roller 9 both sides, so that the slope and the level of the relative drive roll 1 of controller accurate control tensioning roller 9.
S2, pressure detection: the normal pressure range value of the hydraulic oil cylinder is set to be P1-P2 in advance through the controller, and the two tensioning power devices 3 respectively acquire a pressure value PX in real time through respective pressure sensors 5 and feed back the pressure value PX to the controller;
s3, deviation detection: setting the initial position of a conveyor belt 8 as X1, then setting the maximum deviation value of a limit position safety protection switch 6 in the detection mechanism as M, then detecting and feeding back the position X2 of the conveyor belt 8 in real time for a controller through a second position detection sensor 7 in the detection mechanism, when the difference value between X1 and X2 is larger than or equal to M, feeding back a signal to the controller by the limit position safety protection switch 6, and implementing the step S4 by the controller;
s4, deviation rectifying control: the controller judges the offset direction of the conveyor belt 8 by detecting a signal fed back by the limit position safety protection switch 6, and specifically, the method for judging the offset direction of the conveyor belt 8 comprises the following steps: from overlooking, use conveyer belt 8 length direction as the benchmark, the one side that conveyer belt 8 is close to tensioning roller 9 is the front side, and when controller received the extreme position safety protection switch 6 feedback signal that is located the left side of conveyer belt 8, conveyer belt 8 squints to the left, otherwise squints to the right.
When the controller receives a signal fed back by the limit position safety protection switch 6 positioned on the left side, the conveyor belt 8 deflects leftwards, a deviation rectification program is started, firstly, the controller preferentially judges whether a pressure value PX of the hydraulic cylinder on the left side is between P1 and P2, when the pressure value PX is between P1 and P2, the controller controls the hydraulic cylinder on the left side to drive the left end of the tensioning roller 9 to move forwards, in the moving process, if the pressure value PX on the left side is larger than P2, the hydraulic cylinder on the left side is stopped to operate, the hydraulic cylinder on the right side is adjusted to move backwards, so that the pressure value PX is always kept between P1 and P2, and deviation rectification is performed while the tension force of the conveyor belt 8 is ensured.
When the controller receives a signal fed back by the limit position safety protection switch 6 positioned on the left side, the conveyor belt 8 deflects to the right, a deviation rectification program is started, firstly, the controller preferentially judges whether a pressure value PX of the hydraulic oil cylinder on the right side is between P1 and P2, when the pressure value PX is between P1 and P2, the controller controls the hydraulic oil cylinder on the right side to drive the right end of the tensioning roller 9 to move forwards, in the moving process, if the pressure value PX on the right side is larger than P2, the hydraulic oil cylinder on the right side stops running, the hydraulic oil cylinder on the left side is adjusted to move backwards, so that the pressure value PX is always kept between P1 and P2, and the deviation rectification is performed while the tension force of the conveyor belt 8 is ensured.
In summary, the tensioning and deviation rectifying structure and method for the conveyor belt 8 provided by the invention have the following technical effects:
1. the installation of the conveyor belt 8 can be realized by matching the two hydraulic oil cylinders with the first position detection sensor 4, and the accurate adjustment capability is provided for the tensioning or loosening adjustment effect of the conveyor belt 8;
2. the hydraulic oil cylinder has a pressure detection function, detects the tensioning pressure in real time and ensures that the tensioning pressure of the conveyor belt 8 is in a safety range;
3. a signal of a conveyor belt 8 needing to be corrected is fed back accurately by setting a limit position safety protection switch 6;
4. the conveyer belt 8 can be guaranteed to be in all the time and rectify under normal tensioning state on the whole, improve the stability of rectifying of conveyer belt 8.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a tensioning of conveyer belt and structure of rectifying which characterized in that: the method comprises the following steps:
the power mechanism comprises a driving roller (1);
the tensioning mechanism comprises a tensioning roller (9) and tensioning power equipment (3) positioned on two sides of the tensioning roller (9);
a pressure sensor (5), the pressure sensor (5) being used to detect the pressure values of the two tensioning power devices (3);
the conveying belt (8) is wound between the tension roller (9) and the power roller;
the detection mechanism is positioned on at least one side of the length direction of the conveyor belt (8);
the controller is electrically connected with the main motor (2), the tensioning power equipment (3) and the detection mechanism;
wherein, tensioning power equipment (3) are located conveyer belt (8) length direction's both sides are used for driving respectively or simultaneously tensioning roller (9) tip is along conveyer belt (8) length direction displacement, detection mechanism detects behind the skew of conveyer belt (8) reaches the settlement deviant, feedback signal to controller, the controller is guaranteeing under the pressure value normal condition of tensioning power equipment (3), controls two tensioning power equipment (3) work messenger tensioning roller (9) are for drive roll (1) slope to rectify.
2. The tension and deviation rectifying structure of a conveyor belt according to claim 1, wherein: the power mechanism further comprises a main motor (2), and the main motor (2) is used for driving the driving roller (1).
3. The tension and deviation rectifying structure of a conveyor belt according to claim 1, wherein: tensioning roller (9) have a roller bearing, the roller bearing is located on roller seat (91), tensioning power equipment (3) are connected with roller seat (91) for roller seat (91) provide conveyer belt (8) length direction's thrust or pulling force.
4. The tensioning and deviation rectifying structure of a conveyor belt according to claim 3, characterized in that: at least one side of the length direction of the conveyor belt (8) is further provided with a first position detection sensor (4), and the first position detection sensor (4) is used for detecting and feeding back a position signal of the roller seat (91) for a controller in real time.
5. The tension and deviation rectifying structure of a conveyor belt according to claim 1, wherein: the detection mechanism includes:
the device comprises a limit position safety protection switch (6), wherein at least one limit position safety protection switch (6) is arranged on at least one side of the length direction of a conveyor belt (8), and the limit position safety protection switch (6) is used for limiting the maximum distance value of the offset of the conveyor belt (8);
a second position detection sensor (7); at least one second position detection sensor (7) is arranged on at least one side of the length direction of the conveyor belt (8), and the second position detection sensor (7) is used for detecting and feeding back the offset difference value of the conveyor belt (8) for the controller in real time.
6. The tensioning and deviation rectifying structure of a conveyor belt according to claim 4, characterized in that: the first position detection sensor (4) is a displacement sensor or a potentiometer.
7. The tension and correction structure of a conveyor belt according to claim 5, wherein: the second position detection sensor (7) is an ultrasonic sensor.
8. A method for tensioning and correcting a conveyor belt, which adopts the tensioning and correcting structure of the conveyor belt according to any one of claims 1 to 7, and is characterized in that: the method comprises the following steps:
s1, the conveyor belt (8) is wound on a tension roller (9) and a driving roller (1), and the tension power equipment (3) controls the tension roller (9) to move;
s2, detecting the pressure value of the tensioning power equipment (3) in real time and feeding the pressure value back to a controller, wherein the controller receives the pressure value and compares the pressure value with a preset pressure value;
s3, detecting the real-time displacement X2 of the conveyor belt (8), comparing the real-time displacement X2 with an initial preset value X1 of the conveyor belt (8) to obtain a comparison difference value, comparing the comparison difference value with a maximum deviation value M of a limit position safety protection switch (6) in the detection mechanism, and feeding back the comparison difference value to the controller;
and S4, the controller judges the displacement direction of the conveyor belt (8) according to a signal fed back by the limit position safety protection switch (6) and corrects the deviation in real time.
9. The method of claim 8, wherein the step of tensioning and de-skewing the conveyor belt comprises the steps of: in S4, the method for judging the displacement direction of the conveyor belt (8) comprises the following steps: from overlooking, use conveyer belt (8) length direction as the benchmark, one side that conveyer belt (8) are close to tensioning roller (9) is the front side, and then when the controller received the extreme position safety protection switch (6) feedback signal that is located conveyer belt (8) left side, conveyer belt (8) squint to the left, otherwise squint to the right.
10. The method of claim 8, wherein the step of tensioning and de-skewing the conveyor belt comprises the steps of: in S1, the controller detects the positions of the roller seats (91) at the two ends of the tensioning roller (9) in real time through two first position detection sensors (4) and feeds back the positions, so that the tensioning power equipment (3) is determined to drive the two sides of the tensioning roller (9) to move, and the controller can accurately control the inclination and the level of the tensioning roller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550186.9A CN115771720A (en) | 2022-12-05 | 2022-12-05 | Tensioning and deviation rectifying structure and method for conveyor belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211550186.9A CN115771720A (en) | 2022-12-05 | 2022-12-05 | Tensioning and deviation rectifying structure and method for conveyor belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115771720A true CN115771720A (en) | 2023-03-10 |
Family
ID=85391411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211550186.9A Pending CN115771720A (en) | 2022-12-05 | 2022-12-05 | Tensioning and deviation rectifying structure and method for conveyor belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115771720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116379993A (en) * | 2023-06-06 | 2023-07-04 | 河北东跃纺织有限公司 | Yarn length measuring machine and method |
| CN117184782A (en) * | 2023-10-10 | 2023-12-08 | 曲阜鲁兴煤机装备有限责任公司 | Worm gear tensioning device of conveying equipment |
-
2022
- 2022-12-05 CN CN202211550186.9A patent/CN115771720A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116379993A (en) * | 2023-06-06 | 2023-07-04 | 河北东跃纺织有限公司 | Yarn length measuring machine and method |
| CN116379993B (en) * | 2023-06-06 | 2023-08-15 | 河北东跃纺织有限公司 | Yarn length measuring machine and method |
| CN117184782A (en) * | 2023-10-10 | 2023-12-08 | 曲阜鲁兴煤机装备有限责任公司 | Worm gear tensioning device of conveying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115771720A (en) | Tensioning and deviation rectifying structure and method for conveyor belt | |
| US9527675B2 (en) | Chain tension sensor | |
| US8931628B2 (en) | Automated face conveyor chain tension load sensor in chain tension plate | |
| CN105329643B (en) | Chain tension sensor | |
| US8960417B2 (en) | Armored face conveyor extendable at head gate end | |
| CN214526267U (en) | Tensioning deviation correcting device for conveying belt | |
| US5553805A (en) | Process and apparatus for winding sheet material | |
| CN115395105A (en) | Die cutting device and die cutting method for reinforcing rib embossing | |
| CN109301147B (en) | Tab dislocation control method and winding device | |
| CN215206805U (en) | Automatic belt deviation detecting and correcting device for belt conveyor | |
| CN214933140U (en) | Automatic belt deviation correcting device for belt conveyor | |
| CN207293427U (en) | Belt feeder and its automatic deviation-correcting device for belt | |
| CN219116391U (en) | Tensioning and deviation rectifying structure of conveyor belt | |
| CN107499861A (en) | Belt deviation rectifying method and realize the automatic deviation-correcting device for belt of this method, belt feeder | |
| CN102873225A (en) | Full-automatic steel-belt conveying mechanism | |
| CN217426844U (en) | Deviation correcting device | |
| CN210823978U (en) | Belt deviation correcting device | |
| CN213863929U (en) | Automatic tensioning device of belt conveyor | |
| AU2015202228B2 (en) | Chain tension sensor | |
| CN210234161U (en) | Automatic vision detection correcting device for bag making machine | |
| CN110775689A (en) | Centering system capable of adapting to material width | |
| CN213504357U (en) | Conveyer belt deviation correcting device | |
| CN217619997U (en) | Height adjusting system of shot blasting machine rolling brush | |
| CN220949732U (en) | Belt conveying device with automatic deviation correcting function | |
| CN219296357U (en) | Belt conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |