Protection device applied to tension detection of shunting winch system
By introducing tension detection parts and heavy hammer traction auxiliary wire rope into the shunting winch system, the problems of low measurement accuracy and safety hazards of traditional devices are solved, and real-time monitoring and protection of wire rope tension are achieved.
Patent Information
- Application Number
- CN202422316007.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The tension detection device of the traditional shunt winch system has safety hazards such as low measurement accuracy, serious friction damage to the pulley, and broken wire ropes or equipment damage caused by operating errors.
The tension detection part is used to pull the secondary wire rope of the pulley through a heavy hammer, and the tension changes are felt using the pressure-bearing roller, and real-time monitoring and analysis are conducted in combination with the tension sensor and control unit to issue protection instructions.
Real-time monitoring of wire rope tension is achieved, rope breakage and safety accidents are avoided, equipment failure is reduced, and personnel and equipment safety is protected.
Smart Images
Figure CN223118012U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field related to shunting winches, in particular to a protection device used for tension detection of a shunting winch system. Background Art
[0002] Shunting winch systems are widely used in coal mines, coal washing plants, power plants, cement plants, ports and other places for dispatching and hauling trains or heavy objects. The system usually includes key components such as winches, wire ropes, and rope arrangement devices. Many domestic companies are using shunting winch systems. The equipment is mainly a wire rope that pulls the entire train for loading operations.
[0003] Traditional tension detection devices mostly use a combination of pulleys and pressure sensors, which have problems such as small pulley radius and large installation errors, resulting in low measurement accuracy. At the same time, the friction and damage of the pulley to the cable are also more obvious. Sometimes, due to operator misoperation, failure of limit switches at both ends, and other external force reasons, the wire rope may be out of control and other faults, causing the tensile force on the wire rope to reach the design limit, resulting in rope breakage or damage to on-site equipment.
[0004] Based on this, the utility model provides a protection device for tension detection of a shunting winch system. Utility Model Content
[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a protection device for tension detection of a shunting winch system.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective device for tension detection of a shunting winch system, comprising a shunting winch, a pulley, a wire rope, a weight, a shunting trolley, a roller, a guide wheel, a tension detection member and a control unit, wherein the shunting winch is arranged on one side of the pulley and connected by a wire rope; the weight is connected to the shunting winch by a wire rope, and the weight is arranged on the other side of the pulley; both sides of the shunting trolley are connected to the shunting winch by a wire rope; the rollers are provided with multiple groups, and the multiple groups of rollers are connected to the wire rope; the The guide wheels are provided with multiple groups, and the multiple groups of guide wheels are connected to the wire rope transmission; the tension detection component is arranged on one side of the pulley, and the tension detection component includes a tension sensor, a bearing seat, a pressure roller, a bottom plate, a fixed back plate and a guide roller. The top of the tension sensor is connected with a bearing seat, and the bearing seat is connected to the pressure roller. The bottom of the tension sensor is provided with a bottom plate, and a fixed back plate is also provided on one side of the bottom plate. Two groups of guide rollers are provided on the fixed back plate, and the two groups of guide rollers are respectively provided on the left and right sides of the pressure roller; the control unit is electrically connected to the shunting winch and the tension sensor.
[0007] As a further solution of the present utility model, the steel wire rope includes a main steel wire rope and a secondary steel wire rope. The shunting winch, the shunting trolley, the roller, the guiding wheel and the tension detecting member form a working circuit through the winding of the main steel wire rope. The shunting winch and the shunting trolley form an annular structure through the main steel wire rope. Starting from one end of the shunting trolley as the starting end, the components connected in sequence clockwise through the main steel wire rope are two groups of juxtaposed guiding wheels, a group of single-set guiding wheels, the shunting winch, two groups of rollers, two groups of juxtaposed guiding wheels, and two groups of supporting rollers. Finally, the main steel wire rope is connected to the other end of the shunting trolley.
[0008] As a further solution of the present utility model, the plumb bob includes a guiding member, a plumb bob bracket and a counterweight mechanism. There are two groups of guiding members. One group of guiding members is arranged at the top of the plumb bob bracket, and the other group of guiding members is arranged on one side of the plumb bob bracket. The counterweight mechanism is connected to the two groups of guiding members and the plumb bob bracket through a steel wire rope. The plumb bob is used to assist in tensioning the main steel wire rope by continuously rising and falling the counterweight mechanism on the plumb bob bracket.
[0009] As a further solution of the present utility model, the counterweight mechanism pulls the pulley through the secondary steel wire rope, the pulley pulls the shunting winch through the secondary steel wire rope, and the pulley is pulled by the shunting winch through a steel wire rope. When the counterweight mechanism of the plumb bob rises or falls, it will drive the pulley to move back and forth through the secondary steel wire rope, thereby pulling the shunting winch, so as to realize the tensioning of the entire main steel wire rope.
[0010] As a further solution of the present utility model, the tension detecting member is in contact with the secondary steel wire rope. Since the main steel wire rope rotates and runs continuously, the detection is difficult. Therefore, the tension of the secondary steel wire rope is detected through the tension detecting member.
[0011] As a further solution of the present utility model, the pressure roller is located below the secondary steel wire rope. The pressure roller is a sensing element, which senses the tension change of the secondary steel wire rope and transmits this acting force to the tension sensor.
[0012] As a further solution of the present utility model, two groups of guide rollers are located above the secondary steel wire rope, and the guide rollers are used to fix the secondary steel wire rope to prevent it from running.
[0013] Preferably, the control unit includes preferably, the control unit is a PLC control program. The PLC control program is operated through a control panel. The control panel is electrically connected to the shunting winch and the tension sensor through an electrical conductor and an external power supply. The control panel is integrated with switches and programmable controllers that are used in conjunction with various electronic devices, and the entire device is powered by an external power supply. It can operate the shunting winch and, at the same time, can display the information output by the tension sensor, realize remote monitoring, and send instructions according to the monitored shunting winch.
[0014] Preferably, the tension sensor is a strain type tension sensor for a roll body commonly used in the prior art. It is a sensor that uses a resistance strain gauge to convert strain into a change in resistance. It is composed of a resistance strain sensitive component pasted on an elastic element. When the measured physical quantity acts on the elastic element, the deformation of the elastic element causes a change in the resistance value of the strain sensitive component. Through the conversion circuit, it is converted into a change in electrical quantity, reflecting the change in the measured value.
[0015] Compared with the prior art, the present utility model provides a protection device for tension detection applied to a shunting winch system, having the following beneficial effects:
[0016] In the present utility model, by setting a tension detection member, the auxiliary steel wire rope of the pulley is towed by a weight, and the tension thereof is detected. The tension of the auxiliary steel wire rope is applied through a pressure-bearing roller. The force on the pressure-bearing roller is converted into an electrical signal through the resistance change of the tension sensor. Later, the control unit analyzes and judges the signal, thereby monitoring the tension state of the steel wire rope in real time, making corresponding protection instructions, avoiding the risk of broken wire and other safety accidents, reducing the occurrence of equipment failures, and effectively protecting the safety of personnel and equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic structural diagram of the present utility model;
[0018] Figure 2 is a schematic diagram of the installation position of the tension detection member of the present utility model;
[0019] Figure 3 is a three-dimensional structural diagram of the tension detection member of the present utility model;
[0020] Figure 4 is a schematic cross-sectional structure diagram of the weight of the present utility model;
[0021] Figure 5 is a schematic diagram of the connection mode between the tension detection member and the auxiliary steel wire rope of the present utility model.
[0022] Wherein: shunting winch - 1, pulley - 2, steel wire rope - 3, main steel wire rope - 31, auxiliary steel wire rope - 32, weight - 4, guide member - 41, weight support - 42, counterweight mechanism - 43, shunting trolley - 5, roller - 6, guide wheel - 7, tension detection member - 8, tension sensor - 81, bearing seat - 82, pressure-bearing roller - 83, bottom plate - 84, fixed back plate - 85, guide roller - 86, control unit - 9. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] In order to further explain the technical solution of the present utility model, the following is elaborated in detail through specific embodiments.
[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.
[0025] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] Please refer to Figures 1-3 In the embodiment of the present utility model:
[0027] A protection device applied to the tension detection of a shunting winch system, comprising a shunting winch 1, a pulley 2, a steel wire rope 3, a weight 4, a shunting trolley 5, rollers 6, guide wheels 7, a tension detection member 8 and a control unit 9. The shunting winch 1 is arranged on one side of the pulley 2 and is connected through the steel wire rope 3; the weight 4 is in transmission connection with the shunting winch 1 through the steel wire rope 3, and the weight 4 is arranged on the other side of the pulley 2; both sides of the shunting trolley 5 are in transmission connection with the shunting winch 1 through the steel wire rope 3; the rollers 6, a plurality of groups of the rollers 6 are provided, and the plurality of groups of the rollers 6 are in transmission connection with the steel wire rope 3; the guide wheels 7, a plurality of groups of the guide wheels 7 are provided, and the plurality of groups of the guide wheels 7 are in transmission connection with the steel wire rope 3; the tension detection member 8 is arranged on one side of the pulley 2, and the tension detection member 8 includes a tension sensor 81, a bearing seat 82, a pressure-bearing roller 83, a bottom plate 84, a fixed back plate 85 and a guide roller 86. The top of the tension sensor 81 is connected with the bearing seat 82, the bearing seat 82 is connected with the pressure-bearing roller 83, the bottom of the tension sensor 81 is provided with the bottom plate 84, a fixed back plate 85 is further arranged on one side of the bottom plate 84, and two groups of guide rollers 86 are arranged on the fixed back plate 85, and the two groups of guide rollers 86 are respectively arranged on the left and right sides of the pressure-bearing roller 83; the control unit 9 is electrically connected with the shunting winch 1 and the tension sensor 81.
[0028] Please refer to Figures 1-3, in the embodiment of the present utility model: The steel wire rope 3 includes a main steel wire rope 31 and a secondary steel wire rope 32. The shunting winch 1, the shunting trolley 5, the roller 6, the guide pulley 7, and the tension detection member 8 are wound by the main steel wire rope 31 to form a working circuit. The shunting winch 1 and the shunting trolley 5 form an annular structure through the main steel wire rope 31. Starting from one end of the shunting trolley 5 as the starting end, the components connected in sequence clockwise through the main steel wire rope 31 are two groups of juxtaposed guide pulleys 7, one group of single-set guide pulleys 7, the shunting winch 1, two groups of rollers 6, two groups of juxtaposed guide pulleys 7, and two groups of idler rollers. Finally, the main steel wire rope 31 is connected to the other end of the shunting trolley 5.
[0029] Please refer to Figure 4 , in the embodiment of the present utility model: The weight 4 includes a guide member 41, a weight support 42, and a counterweight mechanism 43. There are two groups of the guide members 41. One group of the guide members 41 is arranged at the top of the weight support 42, and the other group of the guide members 41 is arranged on one side of the weight support 42. The counterweight mechanism 43 is connected to the two groups of guide members 41 and the weight support 42 through the steel wire rope 3. The weight 4 is used to assist the secondary steel wire rope 32 to tension the main steel wire rope 31 by continuously rising and falling of the counterweight mechanism 43 on the weight support 42.
[0030] Please refer to Figures 1-4 , in the embodiment of the present utility model: The counterweight mechanism 43 pulls the pulley 2 through the secondary steel wire rope 32. The pulley 2 pulls the shunting winch 1 through the secondary steel wire rope 32. The pulley 2 is pulled by the steel wire rope 3 and the shunting winch 1. When the counterweight mechanism 43 of the weight 4 rises or falls, it will drag the pulley 2 to move back and forth through the secondary steel wire rope 32, thereby pulling the shunting winch 1, so as to realize the tension of the entire main steel wire rope 31.
[0031] Please refer to Figure 5 , in the embodiment of the present utility model: The tension detection member 8 is in contact with the secondary steel wire rope 32. Since it is difficult to detect the continuous rotation and operation of the main steel wire rope 31, the tension of the secondary steel wire rope 32 is detected through the tension detection member 8.
[0032] Please refer to Figures 1-5 , in the embodiment of the present utility model: The pressure roller 83 is located below the secondary steel wire rope 32. The pressure roller 83 is a sensing element, and it senses the tension change of the secondary steel wire rope 32 and transmits this acting force to the tension sensor 81.
[0033] Please refer to Figures 1-5 , in the embodiment of the present utility model: Two groups of the guide rollers 86 are located above the secondary steel wire rope 32. The guide rollers 86 are used to fix the secondary steel wire rope 32 to prevent it from running.
[0034] Preferably, the control unit 9 is a PLC control program. The PLC control program is operated through a control panel. The control panel is electrically connected to the shunting winch 1 and the tension sensor 81 through electric conductors and an external power supply. Switches and programmable controllers for supporting the use of various electronic devices are integrated on the control panel, and electric energy is provided to the entire device by an external power supply. It can operate the shunting winch 1 and, at the same time, display the information output by the tension sensor 81 to achieve remote monitoring and send commands according to the monitored shunting winch 1.
[0035] Preferably, the tension sensor 81 is a strain type tension sensor 81 for a roll body commonly used in the prior art. It is a sensor that uses a resistance strain gauge to convert strain into a change in resistance. It is composed of resistance strain sensitive components pasted on an elastic element. When the measured physical quantity acts on the elastic element, the deformation of the elastic element causes a change in the resistance value of the strain sensitive component, and through the conversion circuit, it is converted into a change in electrical quantity to reflect the change in the measured value.
[0036] The working principle is as follows:
[0037] When the shunting winch system is running, the weight 4 on the weight bracket 42 rises and falls continuously to assist the system in tensioning the main wire rope 31. The counterweight mechanism 43 drags the pulley 2 back and forth to make a tensioning action. Since the tensile force of the main wire rope 31 of the shunting winch system is constantly changing, the continuous operation of the main wire rope 31 increases the difficulty of detecting the main wire rope 31. Therefore, the tension detection piece 8 is installed on the auxiliary wire rope 32 to detect the tension on the auxiliary wire rope 32 of the pulley 2. The tension sensor 81 monitors the tension of the auxiliary wire rope 32, collects the data to the control unit 9 and displays it through the control panel. By analyzing the tension value, when the value exceeds the safe range, it can be determined that the tension protection takes effect, an equipment operation stop command is issued, the control circuit is disconnected, and a tension overload alarm is displayed on the control panel to indicate to the staff to check the on-site equipment situation.
[0038] Compared with the prior art, the present utility model provides a protection device for tension detection applied to a shunting winch system, having the following beneficial effects:
[0039] In the present utility model, by setting the tension detection piece 8, the auxiliary wire rope 32 of the pulley 2 is pulled by the weight 4 to detect its tension. The tension of the auxiliary wire rope 32 is applied through the pressure-bearing roller 83. The force on the pressure-bearing roller 83 is converted into an electrical signal through the resistance change of the tension sensor 81. Later, the control unit 9 analyzes and judges the signal, so as to monitor the tension state of the wire rope 3 in real time, issue corresponding protection commands, avoid the risk of wire rope breakage and other safety accidents, reduce the occurrence of equipment failures, and effectively protect the safety of personnel and equipment.
[0040] The control mode of the present utility model is controlled by manually starting and closing the switch. The wiring diagram of the power element and the power supply are common knowledge in the art. Moreover, the present utility model is mainly used to protect mechanical devices, so the control mode and wiring arrangement of the present utility model will not be explained in detail herein.
[0041] The control mode of the present utility model is automatically controlled by a controller. The control circuit of the controller can be achieved by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Moreover, the present utility model is mainly used to protect mechanical devices, so the control mode and circuit connection of the present utility model will not be explained in detail herein.
[0042] The above are only the preferred examples of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A protection device applied to the tension detection of a shunting winch system, characterized in that: include A shunting winch (1), the shunting winch (1) being arranged on one side of the pulley (2) and connected via a steel wire rope (3); A weight (4), the weight (4) being connected to the shunting winch (1) through a steel wire rope (3), and the weight (4) being arranged on the other side of the pulley (2); A shunting trolley (5), both sides of which are connected to the shunting winch (1) via steel wire ropes (3); Rollers (6), wherein the rollers (6) are provided in a plurality of groups, and the plurality of groups of rollers (6) are transmission-connected to the steel wire rope (3); Guide wheels (7), wherein the guide wheels (7) are provided in a plurality of groups, and the plurality of groups of guide wheels (7) are transmission-connected to the steel wire rope (3); A tension detection member (8), the tension detection member (8) being arranged on one side of the pulley (2), the tension detection member (8) comprising a tension sensor (81), a bearing seat (82), a pressure roller (83), a bottom plate (84), a fixed back plate (85) and a guide roller (86), the top of the tension sensor (81) being connected to the bearing seat (82), the bearing seat (82) being connected to the pressure roller (83), the bottom of the tension sensor (81) being provided with a bottom plate (84), one side of the bottom plate (84) being further provided with a fixed back plate (85), the fixed back plate (85) being provided with two groups of guide rollers (86), the two groups of guide rollers (86) being respectively provided on the left and right sides of the pressure roller (83); A control unit (9), wherein the control unit (9) is electrically connected to the shunting winch (1) and the tension sensor (81).
2. The protection device for tension detection applied to a shunting winch system according to claim 1, characterized in that: The steel wire rope (3) comprises a main steel wire rope (31) and an auxiliary steel wire rope (32); the shunting winch (1), the shunting trolley (5), the roller (6), the guide wheel (7) and the tension detection member (8) are wound around the main steel wire rope (31) to form a working loop.
3. The protection device applied to the tension detection of the shunting winch system according to claim 1, wherein: The weight (4) comprises a guide member (41), a weight bracket (42) and a counterweight mechanism (43). The guide member (41) is provided in two groups, one group of guide members (41) is provided at the top of the weight bracket (42), and the other group of guide members (41) is provided at one side of the weight bracket (42). The counterweight mechanism (43) is connected to the two groups of guide members (41) and the weight bracket (42) through a steel wire rope (3).
4. The protection device for tension detection applied to a shunting winch system according to claim 3, characterized in that: The counterweight mechanism (43) pulls the pulley (2) through the auxiliary steel wire rope (32), and the pulley (2) pulls the shunting winch (1) through the auxiliary steel wire rope (32).
5. The protection device for tension detection applied to a shunting winch system according to claim 1, characterized in that: The tension detection member (8) is in contact with the auxiliary steel wire rope (32).
6. The protection device applied to the tension detection of the shunting winch system according to claim 1, characterized in that: The pressure roller (83) is located below the auxiliary steel wire rope (32).
7. The protection device for tension detection applied to the shunting winch system according to claim 1, characterized in that: The two groups of guide rollers (86) are located above the auxiliary steel wire rope (32).