CN212674675U - Tubular conveyer belt transverse enhancement layer flex fatigue experimental device - Google Patents
Tubular conveyer belt transverse enhancement layer flex fatigue experimental device Download PDFInfo
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- CN212674675U CN212674675U CN202021764364.4U CN202021764364U CN212674675U CN 212674675 U CN212674675 U CN 212674675U CN 202021764364 U CN202021764364 U CN 202021764364U CN 212674675 U CN212674675 U CN 212674675U
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Abstract
The utility model discloses a tubular conveyer belt horizontal enhancement layer flexion fatigue test device relates to conveyer belt fatigue detection field. The device comprises a rack, wherein a groove-shaped driving roller is arranged at the front end of the rack, a groove-shaped bend roller is arranged at the rear end of the rack, two sides of the groove-shaped driving roller and two sides of the groove-shaped bend roller are respectively connected with a bearing and are fixed on the rack through corresponding bearing seats, the groove-shaped driving roller and the groove-shaped bend roller are arranged in parallel and are connected through an experimental conveyer belt, and the groove-shaped driving roller is driven by a; the groove type turnabout drum is connected to the hydraulic pull rod through the U-shaped connecting frame, the two ends of the connecting frame are connected to the two ends of a shaft of the groove type turnabout drum, the middle of the connecting frame is provided with a pressure value display meter, the groove type turnabout drum is further provided with a revolution sensor and a torque sensor respectively, the rack is provided with a plurality of opposite press belt rollers, the press belt rollers are arranged on the rack through a press belt roller support, and the expanding roller is arranged below the rack. The problem of more difficult assurance to the service life of tubular conveyer belt and change requirement is solved.
Description
Technical Field
The utility model relates to a conveyer belt fatigue detection field specifically is a fatigue test device is inflected to horizontal enhancement layer of tubulose conveyer belt.
Background
At present, when various conveyor belt manufacturers produce a tubular conveyor belt for mine (hereinafter referred to as a tubular belt), in order to ensure the tube forming fullness of the tubular belt, a transverse rigid layer is added into a belt body of the tubular conveyor belt for mine. When the tubular belt runs, the transverse rigid layer can be subjected to fatigue flexion movement due to repeated closing and unfolding of the tubular belt, the transverse rigid layer is damaged, the tubular belt is layered and finally cannot be used, and the service life of the tubular belt is directly determined by the transverse reinforcing layer. However, the fatigue times and the service life of the transverse rigid layer of the tubular belt are different due to different types and materials. For this reason, there is no clear description, test or requirement in the relevant standards, and the manufacturer has no explicit indication of the service life and service life of the product, and no requirement for replacement of the tubular belt, which only depends on estimation. For this reason, it is often the case that the damage to the transverse rigid layer of the tubular strip due to large empirical estimation errors cannot be estimated in advance, so that the tubular strip is not known and controlled in important operating positions, and the result of stopping the whole production line due to one tubular strip may be caused. The failure of the tubular belt due to damage to its transverse rigid layer is comparable to the case. It is therefore necessary to carry out flexural fatigue tests on the transverse reinforcement layer of the tubular band in order to detect extreme conditions.
Disclosure of Invention
The utility model discloses a solve and carry out the accuracy to the tired number of times of the horizontal enhancement layer in tubulose area and life at present and hold difficulty a bit, can't carry out the problem that effectual understanding and mastered to the state in tubulose area simultaneously, provide a tubulose conveyer belt horizontal enhancement layer flex fatigue experimental apparatus.
The utility model discloses a realize through following technical scheme: a bending fatigue experiment device for a transverse enhancement layer of a tubular conveying belt comprises a rack, wherein a groove-shaped driving roller is mounted at the front end of the rack, two sides of the groove-shaped driving roller are respectively connected with a bearing and are fixed on the rack through corresponding bearing seats, the bearing on one side of the groove-shaped driving roller is connected with a hydraulic motor through a coupler, a groove-shaped turnabout roller is mounted at the rear end of the rack, and the groove-shaped turnabout roller and the groove-shaped driving roller are arranged in parallel and are connected through an experiment conveying belt; two sides of the groove-shaped turnabout drum are also respectively connected with a bearing and are fixed on the rack through corresponding bearing seats; the cell type driven pulley connects in hydraulic pull rod through the link, the link is the U type, and its both ends connect in the axle both ends of cell type driven pulley, the mid-mounting of link has the pressure value to show the table, still install revolution number sensor and torque sensor on the cell type driven pulley respectively, install a plurality of pressure rollers to the symmetry between cell type driving pulley and the cell type driven pulley, the pressure roller passes through the pressure roller support mounting in the frame, and the expanding roller is installed to the frame below.
The utility model relates to a bending fatigue test device for a transverse enhancement layer of a tubular conveyer belt, which mainly comprises a frame, a groove-shaped driving roller and a groove-shaped bend roller, wherein the groove-shaped driving roller is arranged at the front end of the frame, the groove-shaped bend roller is arranged at the rear end of the frame and is a driven roller, the groove-shaped driving roller drives the groove-shaped bend roller to rotate through the test conveyer belt, two rollers are fixed on the frame through bearings and bearing seats at two sides respectively, the power source of the whole test device is a hydraulic motor, the output shaft of the hydraulic motor is connected with the bearing at one side of the groove-shaped driving roller through a shaft coupling and drives the groove-shaped driving roller to rotate, in order to provide certain tension for the operation of the conveyer belt, a connecting frame is also connected at two ends of the shaft of the groove-shaped bend roller and is connected with a hydraulic pull rod through the, the hydraulic pull rod provides certain tension for the groove type direction-changing drum, namely certain tension is provided for the experimental conveyer belt. In order to test the rotating number of turns and the running torque of the experimental conveyer belt, a revolution sensor and a torque sensor are respectively arranged on the shafts at two sides of the groove-shaped turnabout drum; in order to ensure that the conveyer belt can reliably ensure circular closure in the transmission process, a plurality of pairs of symmetrical press rollers are arranged between the groove-shaped driving roller and the groove-shaped turnabout drum, the press rollers are arranged on the rack through a press roller bracket, and the expanding roller arranged below the rack can completely expand the experimental conveyer belt after turning. The utility model discloses the specific operation does: before the experimental conveyer belt is put on a machine, testing the transverse rigidity value before transportation, cutting the experimental conveyer belt according to the specified experimental size, connecting two ends of a sample, installing the sample on a groove-shaped driving roller and a groove-shaped turnabout roller, adjusting belt rollers to enable the experimental conveyer belt to be closed into a circular tube shape at the two belt rollers, and adjusting the tension required by the conveyer belt through a hydraulic pull rod; and then starting a hydraulic motor, starting circulating operation, recording the operating circulation times of the experimental conveying belt through a revolution sensor, recording the torque of the conveying belt through a torque sensor, transmitting the data recorded by the sensor to a computer data processing system, testing the tubular belt with corresponding number of turns by obtaining the number of the operating turns and the torque after reciprocating motion of closing and unfolding for multiple turns, and testing the change of the transverse rigidity value after operation and comparing the difference value between the front and the rear of the rigidity value to obtain the fatigue resistance of the transverse reinforcing layer.
Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a tubular conveyer belt transverse reinforcement layer flex fatigue experimental device, which is an experimental device and is a device for testing the performance of a belt; the device has overcome the drawback that the tubulose area does not have specific fatigue number of times requirement, the service life to the tubulose conveyer belt has been solved, the problem of the assurance that life and change required are more difficult, the condition that the estimation error leads to the tubulose area to fail has been avoided, through fatigue performance's test, obtain relevant data, thereby the life in prediction tubulose area, guarantee user's understanding and control to the tubulose area in service behavior on important operation post, thereby play the early warning effect, good market prospect and spreading value have.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a side view of the present invention.
The figures are labeled as follows: the test device comprises a groove type driving roller 1, a groove type hydraulic motor 2, a shaft coupling 3, a bearing 4, a groove type direction-changing roller 5, a revolution sensor 6, a torque sensor 7, a hydraulic pull rod 8, a rack 9, a belt pressing roller support 10, a belt pressing roller 11, a spreading roller 12, an experimental conveying belt 13, a bearing seat 14 and a connecting frame 15.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
A bending fatigue experiment device for a transverse enhancement layer of a tubular conveyor belt is shown in figures 1-3 and comprises a rack 9, wherein a groove-shaped driving roller 1 is mounted at the front end of the rack 9, two sides of the groove-shaped driving roller 1 are respectively connected with a bearing 4 and are fixed on the rack 9 through corresponding bearing seats 14, the bearing 4 on one side of the groove-shaped driving roller 1 is connected with a hydraulic motor 2 through a coupler 3, a groove-shaped direction-changing roller 5 is mounted at the rear end of the rack 9, and the groove-shaped direction-changing roller 5 and the groove-shaped driving roller 1 are arranged in parallel and are connected through an experiment conveyor belt 13; two sides of the groove-shaped turnabout drum 5 are also respectively connected with a bearing 4 and are fixed on a frame 9 through corresponding bearing seats 14; cell type driven pulley 5 passes through link 15 and connects in hydraulic pull rod 8, link 15 is the U type, and its both ends connect in the axle both ends of cell type driven pulley 5, the mid-mounting of link 15 has the pressure value to show the table, still install revolution number sensor 6 and torque sensor 7 on the cell type driven pulley 5 respectively, install a plurality of pressure rollers 11 to the symmetry between cell type driving pulley 1 and the cell type driven pulley 5, pressure roller 11 installs in frame 9 through pressure roller support 10, and expanding roller 12 is installed to frame 9 below.
The preferred scheme is adopted in the embodiment: the hydraulic motor 2 is a speed-adjustable hydraulic motor, and the tension provided by the hydraulic pull rod 8 to the conveying belt is adjustable; the revolution sensor 6 and the torque sensor 7 are connected with a computer data processing system; the angle of the pinch roller 11 and the pinch roller bracket 10 can be adjusted; the spreading roller 12 is in a fusiform column shape with the center protruding in an arc shape; the groove type driving roller 1 and the groove type direction-changing roller 5 are both columns with two ends gradually thinning according to the arc shape and are 60-degree arc-shaped curved surfaces, and the experimental conveying belt is effectively guaranteed to be a round pipe.
The embodiment specifically operates as follows: before the experimental conveyer belt is arranged on a machine, testing the transverse rigidity value before transportation, cutting the experimental conveyer belt according to the specified experimental size, connecting two ends of a sample, installing the sample on a groove-shaped driving roller 1 and a groove-shaped direction-changing roller 5, adjusting the positions of an expanding roller 12 and an experimental conveyer belt 13, and enabling the middle part of the experimental conveyer belt 13 to be positioned in the middle of a fusiform column, namely the position with the largest diameter of the expanding roller 12 so as to be flat on the expanding roller 12; then adjusting the angles of the pinch rollers 11 and the pinch roller bracket 10 to enable the experimental conveyer belt 13 to be closed into a circular tube shape at the two pinch rollers 11, adjusting the tension required by the conveyer belt through the hydraulic pull rod 8, and displaying the tension through a pressure value display table; then starting the hydraulic motor 2, starting the circulation operation, recording the operation circulation times of the experimental conveyer belt through the revolution sensor 6, recording the torque of the conveyer belt through the torque sensor 7, transmitting the data recorded by the sensor to the computer data processing system, testing the change of the transverse rigidity value after the operation by obtaining the number of the running circles and the torque and testing the tubular belt with the corresponding number of the circles after the reciprocating motion of closing and unfolding for a plurality of circles, and comparing the difference value between the front and the back of the rigidity value to obtain the fatigue resistance of the transverse reinforcing layer, wherein when the conveyer belt with different closing diameters needs to be replaced, the angles of the pinch roller 11 and the pinch roller bracket 10 can be adjusted.
Alternatively, the groove-shaped driving roller 1 and the groove-shaped bend roller 5 are both formed by two rollers to form a V-shaped groove roller group, and the groove angle is 60 degrees.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a lateral enhancement layer of tubulose conveyer belt is flexed fatigue test device, includes frame (9), its characterized in that: the hydraulic motor type test bed is characterized in that a groove-shaped driving roller (1) is mounted at the front end of the rack (9), two sides of the groove-shaped driving roller (1) are respectively connected with a bearing (4) and fixed on the rack (9) through corresponding bearing seats (14), the bearing (4) on one side of the groove-shaped driving roller (1) is connected with a hydraulic motor (2) through a coupling (3), a groove-shaped direction-changing roller (5) is mounted at the rear end of the rack (9), and the groove-shaped direction-changing roller (5) and the groove-shaped driving roller (1) are arranged in parallel and connected through an experimental conveyer belt (13);
two sides of the groove-shaped turnabout drum (5) are respectively connected with a bearing (4) and fixed on the rack (9) through corresponding bearing seats (14); cell type driven pulley (5) connect in hydraulic pressure pull rod (8) through link (15), link (15) are the U type, and its both ends connect in the axle both ends of cell type driven pulley (5), the mid-mounting of link (15) has the pressure value to show, still install revolution number sensor (6) and torque sensor (7) respectively on cell type driven pulley (5), install a plurality of press belt roller (11) to the symmetry between cell type driven pulley (1) and cell type driven pulley (5), press belt roller (11) are installed on frame (9) through press belt roller support (10), and expanding roller (12) are installed to frame (9) below.
2. The apparatus for testing flexural fatigue of the transverse reinforcement layer of the tubular conveying belt according to claim 1, wherein: the hydraulic motor (2) is a speed-adjustable hydraulic motor, and the tension provided by the hydraulic pull rod (8) to the conveying belt is adjustable.
3. The apparatus for testing flexural fatigue of the transverse reinforcement layer of the tubular conveying belt according to claim 1, wherein: and the revolution sensor (6) and the torque sensor (7) are connected with a computer data processing system.
4. The apparatus for testing flexural fatigue of the transverse reinforcement layer of the tubular conveying belt according to claim 1, wherein: the angle between the pinch roller (11) and the pinch roller bracket (10) can be adjusted.
5. The apparatus for testing flexural fatigue of the transverse reinforcement layer of the tubular conveying belt according to claim 1, wherein: the spreading roller (12) is in a fusiform column shape with the center protruding in an arc shape.
6. The apparatus for testing flexural fatigue of the transverse reinforcement layer of the tubular conveying belt according to claim 1, wherein: the groove-shaped driving roller (1) and the groove-shaped bend rollers (5) are both in a column shape with two ends gradually thinning according to an arc shape and are 60-degree arc-shaped curved surfaces.
7. The bending fatigue test device for the transverse reinforcing layer of the tubular conveyor belt according to claim 1, wherein the groove-shaped driving roller (1) and the groove-shaped bend rollers (5) are V-shaped groove roller sets consisting of two rollers, and the groove-shaped angle is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764364.4U CN212674675U (en) | 2020-08-21 | 2020-08-21 | Tubular conveyer belt transverse enhancement layer flex fatigue experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021764364.4U CN212674675U (en) | 2020-08-21 | 2020-08-21 | Tubular conveyer belt transverse enhancement layer flex fatigue experimental device |
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| CN212674675U true CN212674675U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654928A (en) * | 2021-08-31 | 2021-11-16 | 无锡百年通工业输送有限公司 | Method for detecting dynamic flex fatigue performance of tubular conveyer belt |
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- 2020-08-21 CN CN202021764364.4U patent/CN212674675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654928A (en) * | 2021-08-31 | 2021-11-16 | 无锡百年通工业输送有限公司 | Method for detecting dynamic flex fatigue performance of tubular conveyer belt |
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