CN214455132U - Bucket wheel workload detection device in stacker-reclaimer - Google Patents
Bucket wheel workload detection device in stacker-reclaimer Download PDFInfo
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- CN214455132U CN214455132U CN202120648646.6U CN202120648646U CN214455132U CN 214455132 U CN214455132 U CN 214455132U CN 202120648646 U CN202120648646 U CN 202120648646U CN 214455132 U CN214455132 U CN 214455132U
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Abstract
The utility model discloses a bucket wheel work load detection device among stacker-reclaimer belongs to bucket wheel auxiliary assembly field. The problem to bucket wheel mechanism fragile among the current stacker-reclaimer, with high costs, the utility model provides a bucket wheel workload detection device among stacker-reclaimer, it includes the torsion arm of being connected with bucket wheel actuating mechanism, still includes the lever, and the lever makes the lever move around the support with the support is articulated, and the one end of lever is articulated with the torsion arm, and the other end and the pressure sensor contact of lever, the length that the one end that the lever is close to the torsion arm apart from the support is less than the length that the one end that the lever is close to pressure sensor apart from the support simultaneously. The utility model discloses a lever design, the power transmission that receives the torque arm is measured for pressure sensor, and is easy and simple to handle, according to the balanced principle of lever, can realize selecting for use the less pressure sensor of load to construct big work load's detection to bucket wheel, reduces the fault frequency and the cost of maintenance of bucket wheel mechanism especially bucket wheel speed reducer.
Description
Technical Field
The utility model belongs to bucket-wheel auxiliary assembly field, more specifically say, relate to a bucket-wheel workload detection device among stacker-reclaimer.
Background
Along with the continuous improvement of the automation degree of domestic ports, a low-speed large-torque hydraulic motor or a motor is often adopted for driving a bucket wheel in a bucket-wheel reclaimer, so that the bucket-wheel speed reducer in the stacker-reclaimer has frequent fault barriers and is seriously damaged for many times. The existing bucket wheel mechanism has no working load control device, and some bucket wheel mechanisms have only overload control function although having the working load control device, can not detect the size of the working load of the bucket wheel mechanism, and are not beneficial to operation management.
Corresponding improvement has also been carried out to above-mentioned problem, like chinese patent application No. CN201620076509.9, the publication date is 2016 year 8/31 days, this patent discloses a reclaimer bucket wheel with pressure detection function, including the bucket wheel, the bucket wheel is inside to be equipped with bucket wheel drive hydraulic motor, hydraulic motor torque arm, and bucket wheel drive hydraulic motor and the one end fixed connection of hydraulic motor torque arm, and the other end below of hydraulic motor torque arm is connected with the analog quantity and draws pressure sensor, and the analog quantity draws pressure sensor below to be connected with the support. The disadvantages of the patent are that: the tension and compression sensor is directly connected with the torque arm, so that the load is large, and the investment cost and the later maintenance cost are high.
Also like chinese patent application No. CN202020994020.6, published as 2021, 2.2.3, which discloses a bucket-wheel reclaimer, comprising a traveling mechanism, a pedestal, a plurality of pressure sensors, and a controller; the travelling mechanism comprises a plurality of wheels; the wheels are arranged in a plurality of rows and used for walking; the pedestal is used for carrying the upper steel frame structure and bulk material transportation; the pedestal is hinged with the wheels of each row respectively; each pressure sensor is arranged between each row of wheels and the pedestal respectively and is used for detecting pressure signals generated by pressure borne by the wheels; the controller is respectively connected with each pressure sensor, receives each pressure signal, and is configured to calculate the change of the gravity center position according to each real-time pressure signal. The disadvantages of the patent are that: the structure is complicated, and the installation and the maintenance are tedious.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
Bucket wheel mechanism fragile among to current stacker-reclaimer, problem with high costs, the utility model provides a bucket wheel work load detection device among stacker-reclaimer. The utility model discloses a lever design, transmit the power that the torque arm receives for pressure sensor and measure, output pressure size directly perceived, it is easy and simple to handle. Meanwhile, according to the lever balance principle, the pressure sensor with smaller load can be selected to detect the large working load of the bucket wheel mechanism, the failure frequency and the maintenance cost of the bucket wheel mechanism, particularly the bucket wheel speed reducer, are reduced, the working safety and reliability of the bucket wheel mechanism are guaranteed, and the lever balance type bucket wheel mechanism has better economic benefit and social benefit.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a bucket wheel work load detection device in stacker-reclaimer, includes the torsion arm of being connected with bucket wheel actuating mechanism, still includes the lever, and the lever is articulated with the support and makes the lever around the support motion, and one end of lever is articulated with the torsion arm, and the other end of lever and pressure sensor contact, and the length that the one end that the lever is close to the torsion arm is less than the one end that the lever is close to pressure sensor apart from the support length.
Furthermore, the device also comprises a limit adjusting mechanism for limiting the movement of the lever, and the limit adjusting mechanism is connected with one end of the lever close to the torsion arm.
Furthermore, the limiting and adjusting mechanism comprises a base, an adjusting screw rod and a locking nut, one end of the adjusting screw rod is connected with the base, the other end of the adjusting screw rod is in contact with the lever, and the locking nut is arranged at the joint of the adjusting screw rod and the base.
Furthermore, the locking nut comprises a nut body, a threaded through hole is formed in the nut body, and a plurality of protrusions are arranged on the side wall of the nut body towards the inner side.
Further, the shape of the seat is triangular.
Furthermore, the device also comprises a PLC controller, and the pressure sensor and the bucket wheel driving mechanism are respectively electrically connected with the PLC controller.
Furthermore, the alarm device is electrically connected with the pressure sensor.
Furthermore, a protective cover is arranged outside the pressure sensor.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model transmits the force to the lever through the torque arm, and then the lever transmits the force to the pressure sensor, thereby visually measuring the working load of the bucket wheel, and being simple and visual; the problems that the cost is high, the working load is large and parts are easy to damage when the pressure measurement is directly carried out on the torsion arm are solved; meanwhile, the length from one end of the lever close to the torsion arm to the support is smaller than the length from one end of the lever close to the pressure sensor to the support, and the pressure sensor can bear smaller force according to the lever balance principle, so that the pressure sensor with smaller load can be selected to detect the large working load of the bucket wheel mechanism, and the project implementation investment and the later operation maintenance cost are effectively reduced; the whole structure is simple and easy to implement;
(2) the utility model is also provided with a limit adjusting mechanism, which is contacted with the lever to play a role of fixing and limiting the lever and limit the movement of the lever, thereby limiting the movement of the torque arm and effectively ensuring the accuracy of the measuring result; meanwhile, the limiting and adjusting mechanism can adjust the lever to enable the lever to be in contact with the pressure sensor and generate certain initial pressure, so that the pressure detection of the bucket wheel mechanism at the later stage is facilitated, and the accuracy of the whole measuring result is further ensured;
(3) the utility model adopts the adjusting screw rod to be connected with the lever, realizes the movement of the height position of the lever to make the lever contact with the pressure sensor through the upward rotating or downward rotating adjusting screw rod, has simple and convenient operation, adopts the locking nut to lock and fix the lever, and reinforces the connection stability of the adjusting screw rod, the lever and the base; the plurality of bulges are arranged on the inner side of the side wall of the nut body in the locking nut, so that the nut body and the adjusting screw rod can be better engaged, and the connected object can be well locked even if the connected object vibrates;
(4) the utility model sets the shape of the support as triangle, which has higher stability; meanwhile, the pressure sensor is electrically connected with the PLC, and when the value measured by the pressure sensor exceeds a preset value, the PLC controls the bucket wheel driving mechanism to stop working, so that the safety and the reliability of the bucket wheel mechanism are guaranteed, and the failure frequency and the maintenance cost of the bucket wheel mechanism, particularly the bucket wheel driving mechanism, are reduced;
(5) the utility model electrically connects the pressure sensor with the alarm, when the numerical value in the pressure sensor exceeds the preset value, the alarm works to remind the staff to pay attention and make corresponding work adjustment in time; and the protective cover is arranged on the outer side of the pressure sensor, so that the pressure sensor is protected, the pressure sensor is prevented from being damaged due to the influence of the external environment, and the accuracy of the measurement result is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an overall schematic diagram of the present invention.
In the figure: 1. a torsion arm; 2. a hinge shaft I; 3. a hinge shaft II; 4. a lever; 5. a pressure sensor; 6. a support; 7. a cotter pin; 8. a limit adjusting mechanism; 81. adjusting the screw rod; 82. locking the nut; 83. a base.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 1 and 2, the bucket-wheel workload detection device in the stacker-reclaimer comprises a torque arm 1 connected to a bucket-wheel driving mechanism, specifically, the bucket-wheel driving mechanism comprises a motor, the motor is connected to a speed reducer, and the torque arm 1 is connected to the speed reducer. Meanwhile, the bucket wheel working load detection device in the stacker-reclaimer further comprises a lever 4, wherein the lever 4 is hinged with the support 6 through a hinge shaft II3, namely a pin shaft, and the hinge shaft II3 is fixed through a cotter pin 7; the lever 4 is hinged to the abutment 6 so that the lever 4 can move up and down about the abutment 6, i.e. the abutment 6 is the fulcrum of the lever 4, preferably the abutment 6 is triangular in shape. The triangle has a high stability and is convenient to be used as a fulcrum of the lever 4. One end of the lever 4 is hinged with the torque arm 1 through a hinge shaft I2, namely a pin shaft, and meanwhile, the hinge shaft I2 is fixed through a cotter pin 7; the other end of the lever 4 is in contact with a pressure sensor 5, and the pressure sensor 5 is fixed through a fixed seat. Since the torque arm 1 is connected to the speed reducer, the force of the speed reducer is transmittedThe torque arm 1 is capable of converting a rotational force output from the speed reducer into a vertical force; the torque arm 1 is hinged with the lever 4, so that the torque arm 1 can transmit force to the lever 4, the lever 4 transmits the force to the pressure sensor 5, and the pressure sensor 5 can measure the load of the bucket wheel driving mechanism during working. While the length of the end of the lever 4 close to the torsion arm 1 from the support 6 is smaller than the length of the end of the lever 4 close to the pressure sensor 5 from the support 6, this is designed because the length of the end of the lever 4 close to the torsion arm 1 from the support 6, L in fig. 1, is determined according to the principle of lever balance1Less than the length L in fig. 1 of the lever 4 from the support 6 near the pressure sensor 52Then the force F experienced by the end of the lever 4 near the torsion arm 11Is larger than the force F received by one end of the lever 4 close to the pressure sensor 52The stress of the pressure sensor 5 is reduced, so that the detection of the large working load of the bucket wheel driving mechanism can be realized by selecting the pressure sensor 5 with small load, the input cost is low when the project is implemented, and the later-period operation maintenance cost is low.
The utility model discloses a design of lever 4, transmit bucket wheel actuating mechanism work load for pressure sensor 5, the pressure size that 5 pressure sensors surveyed shows promptly for bucket wheel actuating mechanism work load after the display operation, easy and simple to handle directly perceived, the staff real-time supervision of being convenient for, also in time make the adjustment when taking place emergency, thereby the security of guarantee bucket wheel mechanism work, the reliability, reduce the fault frequency and the cost of maintenance of bucket wheel actuating mechanism especially, can promote on bucket wheel stacker-reclaimer, better economic benefits and social have.
Example 2
Basically as in embodiment 1, in order to further ensure the accuracy of the measurement result, in this embodiment, a limit adjusting mechanism 8 is further included for limiting the movement of the lever 4, and the limit adjusting mechanism 8 is connected to an end of the lever 4 close to the torsion arm 1. The limiting adjusting mechanism 8 is connected with the lever 4 to fix and limit the lever 4 to rotate in the opposite direction, so that the torque arm 1 is limited to move downwards. Simultaneously, the limiting adjusting mechanism 8 can adjust the lever 4 to be in contact with the pressure sensor 5, certain initial pressure is generated, pressure detection of the bucket wheel driving mechanism in a later period is facilitated, and the accuracy of the whole measuring result is further guaranteed. In this embodiment, the limiting and adjusting mechanism 8 comprises a base 83, an adjusting screw 81 and a locking nut 82, one end of the adjusting screw 81 is in threaded connection with the base 83, the other end of the adjusting screw is in contact with the lever 4, and the locking nut 82 is arranged at the connection position of the adjusting screw 81 and the base 83. The movement of the height position of the lever 4 is realized by rotating the adjusting screw 81 up or down to make the lever contact with the pressure sensor 5, and the operation is simple.
Further, the lock nut 82 includes a nut body, a threaded through hole is formed in the nut body, and the threaded through hole is aligned with the external thread portion of the adjusting screw 81 and screwed in to be fixedly connected. A plurality of bulges are arranged on the side wall of the nut body towards the inner side. When the screw thread through hole is screwed into the external screw thread, the inner screw thread in the screw thread through hole is better occluded with the external screw thread of the adjusting screw rod 81 through the bulge, and when the connected object generates vibration, the connected object can be well locked, and the connection stability is further ensured.
Example 3
Basically, like embodiment 2, in order to further increase the control of the work of bucket wheel mechanism, still include the PLC controller in this implementation, pressure sensor 5 and bucket wheel drive mechanism are all connected with the PLC controller electricity respectively. When the value measured by the pressure sensor 5 exceeds the preset value, the PLC controls the bucket wheel driving mechanism to stop working, the safety and the reliability of the bucket wheel mechanism are guaranteed, and the failure frequency and the maintenance cost of the bucket wheel mechanism, particularly the bucket wheel driving mechanism, are reduced. Still include the alarm simultaneously, the alarm is connected with pressure sensor 5 electricity, and in case pressure sensor 5 surpasss its default, the alarm work in time reminds staff's attention, further reduces the risk. And the protective cover is arranged on the outer side of the pressure sensor 5, so that the pressure sensor 5 is prevented from being interfered by the external environment to cause measurement errors, and the accuracy of the measurement result is further ensured. It is worth explaining here that, because the pressure sensor 5 and the bucket wheel driving mechanism are both electrically connected with the PLC controller, the control process of the PLC controller controlling the bucket wheel driving mechanism to start and stop is common in the prior art, and does not belong to the core improvement point of the utility model, so that the circuit control and the principle thereof are not given in detail.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (8)
1. The utility model provides a bucket-wheel workload detection device in stacker-reclaimer, includes torsion arm (1) connected with bucket-wheel actuating mechanism, its characterized in that: the torsion arm type hydraulic pressure testing device is characterized by further comprising a lever (4), the lever (4) is hinged to the support (6) so that the lever (4) can move around the support (6), one end of the lever (4) is hinged to the torsion arm (1), the other end of the lever (4) is in contact with the pressure sensor (5), and meanwhile the length of one end, close to the torsion arm (1), of the lever (4) from the support (6) is smaller than the length of one end, close to the pressure sensor (5), of the lever (4) from the support (6).
2. The bucket-wheel workload detection device in a stacker-reclaimer of claim 1, wherein: the torsion arm mechanism further comprises a limiting and adjusting mechanism (8) for limiting the movement of the lever (4), and the limiting and adjusting mechanism (8) is connected with one end, close to the torsion arm (1), of the lever (4).
3. The bucket-wheel workload detection device in a stacker-reclaimer of claim 2, wherein: the limiting and adjusting mechanism (8) comprises a base (83), an adjusting screw rod (81) and a locking nut (82), one end of the adjusting screw rod (81) is connected with the base (83), the other end of the adjusting screw rod is in contact with the lever (4), and the locking nut (82) is arranged at the joint of the adjusting screw rod (81) and the base (83).
4. The bucket-wheel workload detection device in a stacker-reclaimer of claim 3, wherein: the locking nut (82) comprises a nut body, a threaded through hole is formed in the nut body, and a plurality of protrusions are arranged on the side wall of the nut body towards the inner side.
5. The bucket-wheel workload detection device in a stacker-reclaimer of claim 1, wherein: the shape of the support (6) is triangular.
6. The bucket-wheel workload detection device in a stacker-reclaimer of claim 1, wherein: the hydraulic bucket wheel driving mechanism is characterized by further comprising a PLC, and the pressure sensor (5) and the bucket wheel driving mechanism are respectively electrically connected with the PLC.
7. The bucket-wheel workload detection device in a stacker-reclaimer of claim 6, wherein: the alarm is electrically connected with the pressure sensor (5).
8. The bucket-wheel workload detection device in a stacker-reclaimer according to claim 1 or 7, wherein: a protective cover is arranged on the outer side of the pressure sensor (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120648646.6U CN214455132U (en) | 2021-03-29 | 2021-03-29 | Bucket wheel workload detection device in stacker-reclaimer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120648646.6U CN214455132U (en) | 2021-03-29 | 2021-03-29 | Bucket wheel workload detection device in stacker-reclaimer |
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| CN214455132U true CN214455132U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474837A (en) * | 2021-12-30 | 2022-05-13 | 东风锻造有限公司 | Load monitoring device and method for hot die forging press |
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- 2021-03-29 CN CN202120648646.6U patent/CN214455132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474837A (en) * | 2021-12-30 | 2022-05-13 | 东风锻造有限公司 | Load monitoring device and method for hot die forging press |
| CN114474837B (en) * | 2021-12-30 | 2024-02-09 | 东风锻造有限公司 | Hot die forging press load monitoring device and monitoring method thereof |
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Denomination of utility model: A working load detection device for bucket wheels in a stacker reclaimer Effective date of registration: 20230630 Granted publication date: 20211022 Pledgee: Maanshan Branch of Agricultural Bank of China Co.,Ltd. Pledgor: MAANSHAN CITY HARBOUR (CORP.) LLC Registration number: Y2023980046752 |