Crawler belt moving heavy screening station with low-temperature-resistant structure

Abstract

The utility model discloses a crawler belt moving heavy type screening station with a low-temperature-resistant structure, which comprises a crawler belt chassis, an undersize belt conveyor arranged at the upper end of the crawler belt chassis, a heavy type screening machine arranged at the upper end of the undersize belt conveyor, a large material belt conveyor connected to the left end of the heavy type screening machine, a plate chain feeder arranged at the right end of the heavy type screening machine, and a small material belt conveyor connected to the right end of the heavy type screening machine. The rear end of the heavy screening machine is connected with a medium material belt conveyor, the front end of the plate chain feeder is connected with a fine material belt conveyor, a frequency converter cabinet is fixed to the left side of the front end of the crawler chassis, a power unit is arranged on the right side of the front end of the crawler chassis and comprises a control cabinet, and a heat preservation plate is fixed to the inner wall of the control cabinet. The motor controller, the air switch and the temperature and humidity sensor in the inner plate can work normally under the adjustment of normal temperature, and meanwhile, the phenomena that the temperature in the inner plate is too low, so that insulation skins of cables are frozen to crack, circuits are prevented from making contact with one another, and electric leakage or short circuit is prevented are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of screening stations, in particular to a crawler-movable heavy-duty screening station with a low-temperature-resistant structure. Background Art

[0002] Screening stations are essential material grading equipment in industries such as metallurgy, stone materials, and renewable resources. Currently, two common types of screening stations are stationary and semi-mobile. A stationary screening station involves a screen and related equipment that is fixed and installed at the site. A semi-mobile screening station also places the screen and related equipment on-site, but can be disassembled and towed by a truck or other transport vehicle.

[0003] However, when the existing screening station is used in extremely cold areas, the control devices in the electrical cabinet will be frozen and cracked, causing the wires to be exposed, which may easily cause the lines to contact each other, resulting in circuit short circuits or leakage. At the same time, it will also cause some components to fail to respond, and the device cannot be used normally. Utility Model Content

[0004] In view of the above problems, the utility model provides a crawler mobile heavy-duty screening station with a low-temperature resistant structure, which solves the above problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crawler mobile heavy-duty screening station with a low-temperature resistant structure, comprising a crawler chassis, an underscreen belt conveyor is provided at the upper end of the crawler chassis, a heavy-duty screening machine is provided at the upper end of the underscreen belt conveyor, a large material belt conveyor is connected to the left end of the heavy-duty screening machine, a plate chain feeder is provided at the right end of the heavy-duty screening machine, a medium material belt conveyor is connected to the rear end of the heavy-duty screening machine, a fine material belt conveyor is connected to the front end of the plate chain feeder, a frequency converter cabinet is fixed to the left side of the front end of the crawler chassis, a power unit is provided to the right side of the front end of the crawler chassis, and the power unit includes a control cabinet;

[0006] An insulation plate is fixed to the inner wall of the control cabinet, an inner plate fixed to the hydraulic oil radiator is provided inside the insulation plate, a mounting plate is detachably fixed inside the inner plate, a heat-conducting net is fixed to the outer wall of the inner plate, heaters are fixed to the left and right ends of the heat-conducting net, exhaust fans are fixed to the upper and lower ends of the heat-conducting net, a gap is provided between the inner plate and the insulation plate, and the gap is an air duct, a motor controller, an air switch and a temperature and humidity sensor are fixed to the front end of the mounting plate.

[0007] Preferably, a battery pack is fixed to the upper end of the crawler chassis, and the power unit includes a generator set fixed on the crawler chassis. A travel pump group is provided at the front end of the generator set, and a hydraulic oil tank and a fuel tank are provided at the right end of the travel pump group. A hydraulic oil radiator is provided between the fuel tank and the travel pump group, and the hydraulic oil radiator is located directly behind the control cabinet.

[0008] Preferably, a heat dissipation pipe is fixed to the front end of the hydraulic oil radiator, a heat dissipation fan is fixed to the rear end of the hydraulic oil radiator, and through holes are opened at the rear end of the control cabinet corresponding to the hydraulic oil tank.

[0009] Preferably, a shock-absorbing pad is fixed to the lower end of the hydraulic oil radiator, and the hydraulic oil radiator is fixedly connected to the crawler chassis through the shock-absorbing pad.

[0010] Preferably, a top cover is provided at the upper end of the control cabinet, the upper edge of the top cover is chamfered, the lower edge of the top cover extends out of the control cabinet, and doors are symmetrically provided at the front end of the control cabinet.

[0011] Preferably, the heat-conducting net is in a mesh shape, and a plurality of square hollows are provided on the surface of the heat-conducting net.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. Heat the inner panel through the heater to ensure that the motor controller, air switch and temperature and humidity sensor inside the inner panel can work normally under normal temperature regulation. At the same time, prevent the temperature inside the inner panel from being too low, causing the insulation of the cable to freeze and crack, prevent the lines from contacting each other, and prevent leakage or short circuit. The exhaust fan and the heat conduction network work together to evenly transfer the heat generated by the heater to the inner panel to prevent the local temperature of the inner panel from being too high.

[0014] 2. The heat dissipation fan blows the heat to the heat pipe to dissipate the heat of the hydraulic oil in the heat pipe to prevent the hydraulic oil temperature from being too high. At the same time, the air blown by the heat dissipation fan passes through the heat pipe for heat exchange, and then the hot air blows to the rear end of the inner plate through the through hole on the back of the control cabinet, transferring the heat to the inner plate, thereby maintaining the temperature inside the inner plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall framework of the utility model;

[0017] Figure 3 This is a schematic diagram of the control cabinet of the utility model;

[0018] Figure 4 This is a schematic diagram of the back of the control cabinet of the present invention;

[0019] Figure 5 This is a schematic diagram of the interior of the control cabinet of the utility model;

[0020] Figure 6 This is a schematic diagram of the interior of the control cabinet of the utility model;

[0021] Figure 7 This is a schematic cross-sectional view of a control cabinet of the present invention.

[0022] Explanations in the figure: 1. Large material belt conveyor; 2. Medium material belt conveyor; 3. Heavy-duty screening machine; 4. Fine material belt conveyor; 5. Plate chain feeder; 6. Power unit; 7. Crawler chassis; 8. Underscreen belt conveyor; 9. Frequency converter cabinet; 10. Motor controller; 11. Air switch; 12. Temperature and humidity sensor; 61. Generator set; 62. Travel pump group; 63. Hydraulic oil tank; 64. Hydraulic oil radiator; 65. Fuel tank; 66. Control cabinet; 67. Battery pack; 641. Heat pipe; 642. Cooling fan; 661. Inner plate; 662. Mounting plate; 663. Heat conduction network; 664. Heater; 665. Exhaust fan; 666. Insulation board; 667. Fan door; 668. Top cover. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] See also Figure 1 、 Figure 2 and Figure 3, a crawler mobile heavy-duty screening station with a low-temperature resistant structure, including a crawler chassis 7, an under-screen belt conveyor 8 is provided at the upper end of the crawler chassis 7, and a heavy-duty screening machine 3 is provided at the upper end of the under-screen belt conveyor 8. The crawler chassis 7 drives the device to walk, and at the same time adopts a crawler type to increase the contact area with the ground, so that the device can walk on the icy ground to prevent slipping. The heavy-duty screening machine 3 screens the materials and screens the materials into different specifications. The left end of the heavy-duty screening machine 3 is connected to the large material belt conveyor 1, the right end of the heavy-duty screening machine 3 is provided with a plate chain feeder 5, the rear end of the heavy-duty screening machine 3 is connected to the medium material belt conveyor 2, and the front end of the plate chain feeder 5 is connected to the fine material belt conveyor 4. The frequency converter cabinet 9 is fixed on the left side of the front end of the crawler chassis 7, and the right side of the front end of the crawler chassis 7 is provided with a The power unit 6 includes a control cabinet 66. A top cover 668 is provided at the upper end of the control cabinet 66. The upper edge of the top cover 668 is chamfered, and the edge of the lower end of the top cover 668 extends out of the control cabinet 66. The front end of the control cabinet 66 is symmetrically provided with doors 667. The inner panel 661 is sealed by the doors 667 to prevent a large amount of cold air outside the inner panel 661 from entering the interior of the inner panel 661. At the same time, the edge of the lower end of the top cover 668 is extended out of the control cabinet 66 to prevent water from flowing into the interior of the inner panel 661 in rainy and snowy weather. The screened materials are separately transferred through the large material belt conveyor 1 and the medium material belt conveyor 2 to prevent the separated materials from being mixed again. The materials are transferred through the plate chain feeder 5 and transported to the heavy-duty screening machine 3, which facilitates the heavy-duty screening machine 3 to screen the materials.

[0025] See also Figure 5 、 Figure 6 and Figure 7, the inner wall of the control cabinet 66 is fixed with an insulation plate 666, and the insulation plate 666 is provided with an inner plate 661 fixed to the hydraulic oil radiator 64, and a mounting plate 662 is detachably fixed in the inner plate 661. The outer wall of the inner plate 661 is fixed with a heat-conducting net 663, and the heat-conducting net 663 is mesh-shaped, and the surface of the heat-conducting net 663 is provided with a plurality of square hollows. The heat-conducting net 663 is made of copper, which is convenient for transferring the heat generated by the heater 664 and evenly transferring the heat to the inner plate 661. The left and right ends of the heat-conducting net 663 are fixed with heaters 664, and the inner plate 661 is heated by the heater 664 to ensure that the motor controller 10, the air switch 11 and the temperature and humidity sensor 12 inside the inner plate 661 can be at normal temperature. 661 and the insulation board 666. The exhaust fan 665 is fixed at the upper and lower ends of the heat-conducting net 663. A gap is provided between the inner plate 661 and the insulation board 666, and the gap is an air duct. The front end of the mounting plate 662 is fixed with a motor controller 10, an air switch 11 and a temperature and humidity sensor 12. The exhaust fan 665 cooperates with the heat-conducting net 663. The exhaust fan 665 blows air to make the heat generated by the heater 664 flow in the air duct between the inner plate 661 and the insulation board 666, so that the heat generated by the heater 664 is evenly transferred to the inner plate 661, preventing the local temperature of the inner plate 661 from being too high.

[0026] See also Figure 1 、 Figure 2 and Figure 3A battery pack 67 is fixed to the upper end of the crawler chassis 7. The battery pack 67 stores electrical energy to power some components of the device to ensure its normal operation. The power unit 6 includes a generator set 61 fixed to the crawler chassis 7. A travel pump set 62 is provided at the front end of the generator set 61. A hydraulic oil tank 63 and a fuel tank 65 are provided at the right end of the travel pump set 62. A hydraulic oil radiator 64 is provided between the fuel tank 65 and the travel pump set 62. The hydraulic oil radiator 64 is located directly behind the control cabinet 66. A heat pipe 641 is fixed to the front end of the hydraulic oil radiator 64, and a heat dissipation fan 642 is fixed to the rear end of the hydraulic oil radiator 64. The rear end of the control cabinet 66 A through hole is opened corresponding to the hydraulic oil tank 63, which is blown to the heat dissipation pipe 641 through the heat dissipation fan 642 to dissipate heat from the hydraulic oil in the heat dissipation pipe 641 to prevent the hydraulic oil temperature from being too high. At the same time, the wind blown by the heat dissipation fan 642 passes through the heat dissipation pipe 641 for heat exchange, and the hot wind blows to the rear end of the inner plate 661 through the through hole on the back of the control cabinet 66, transferring the heat to the inner plate 661, thereby maintaining the temperature inside the inner plate 661. A shock-absorbing pad is fixed to the lower end of the hydraulic oil radiator 64, and the hydraulic oil radiator 64 is fixedly connected to the crawler chassis 7 through the shock-absorbing pad. The hydraulic oil radiator 64 is connected through the shock-absorbing pad. Since the device will generate large vibrations when working, the fixed components inside the control cabinet 66 are prevented from loosening.

[0027] When using this utility model:

[0028] First, connect an external power source to heat the heating elements of various parts of the device to prevent cold start from damaging some components of the device;

[0029] Then, the heater 664 generates heat, and the heat-conducting mesh 663 transfers the heat generated by the heater 664 so that the heat is evenly transferred to the inner plate 661. The exhaust fan 665 blows air to circulate the heat generated by the heater 664 in the air duct between the inner plate 661 and the insulation plate 666, so that the heat generated by the heater 664 is evenly transferred to the inner plate 661, thereby preventing the temperature of the inner plate 661 from being too high in some areas.

[0030] Next, the temperature and humidity sensor 12 detects and keeps the temperature inside the inner panel 661 above 10°C and the humidity below 60% to prevent condensation and protect electrical equipment. The temperature and humidity sensor 12 automatically controls the start and stop of the heater and automatically stops heating when the set value is reached.

[0031] Finally, the cooling fan 642 blows cold air toward the cooling tube 641 to dissipate heat for the hydraulic oil in the cooling tube 641 to prevent the temperature of the hydraulic oil from being too high. At the same time, the air blown by the cooling fan 642 passes through the cooling tube 641 for heat exchange, and then the hot air is blown toward the rear end of the inner plate 661 through the through hole on the back of the control cabinet 66, transferring the heat to the inner plate 661, thereby maintaining the temperature inside the inner plate 661. Other components cooperate to complete the screening of the materials.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crawler mobile heavy-duty screening station with a low-temperature resistant structure, characterized by: The invention comprises a crawler chassis (7), an under-screen belt conveyor (8) is provided at the upper end of the crawler chassis (7), a heavy-duty screening machine (3) is provided at the upper end of the under-screen belt conveyor (8), a large material belt conveyor (1) is connected to the left end of the heavy-duty screening machine (3), a plate chain feeder (5) is provided at the right end of the heavy-duty screening machine (3), a medium material belt conveyor (2) is connected to the rear end of the heavy-duty screening machine (3), a fine material belt conveyor (4) is connected to the front end of the plate chain feeder (5), a frequency converter cabinet (9) is fixed to the left side of the front end of the crawler chassis (7), a power unit (6) is provided to the right side of the front end of the crawler chassis (7), and the power unit (6) includes a control cabinet (66); The control cabinet (66) is fixed with a heat preservation plate (666) on the inner wall thereof, and an inner plate (661) fixed to the hydraulic oil radiator (64) is provided in the heat preservation plate (666). A mounting plate (662) is detachably fixed in the inner plate (661). A heat conduction net (663) is fixed to the outer wall of the inner plate (661). A heater (664) is fixed to the left and right ends of the heat conduction net (663). An exhaust fan (665) is fixed to the upper and lower ends of the heat conduction net (663). A gap is provided between the inner plate (661) and the heat preservation plate (666), and the gap serves as an air duct. A motor controller (10), an air switch (11), and a temperature and humidity sensor (12) are fixed to the front end of the mounting plate (662).

2. The crawler mobile heavy-duty screening station with a low-temperature resistant structure according to claim 1, characterized in that: A battery pack (67) is fixed to the upper end of the crawler chassis (7). The power unit (6) includes a generator set (61) fixed to the crawler chassis (7). A travel pump set (62) is provided at the front end of the generator set (61). A hydraulic oil tank (63) and a fuel tank (65) are provided at the right end of the travel pump set (62). A hydraulic oil radiator (64) is provided between the fuel tank (65) and the travel pump set (62). The hydraulic oil radiator (64) is located directly behind the control cabinet (66).

3. The crawler mobile heavy-duty screening station with a low-temperature resistant structure according to claim 2, characterized in that: A heat dissipation pipe (641) is fixed to the front end of the hydraulic oil radiator (64), a heat dissipation fan (642) is fixed to the rear end of the hydraulic oil radiator (64), and through holes are provided at the rear end of the control cabinet (66) corresponding to the hydraulic oil tank (63).

4. The crawler mobile heavy-duty screening station with a low-temperature resistant structure according to claim 1, characterized in that: A shock-absorbing pad is fixed to the lower end of the hydraulic oil radiator (64), and the hydraulic oil radiator (64) is fixedly connected to the crawler chassis (7) via the shock-absorbing pad.

5. The crawler mobile heavy-duty screening station with a low-temperature resistant structure according to claim 1, characterized in that: The upper end of the control cabinet (66) is provided with a top cover (668), the upper edge of the top cover (668) is chamfered, the lower edge of the top cover (668) extends out of the control cabinet (66), and the front end of the control cabinet (66) is symmetrically provided with a fan door (667).

6. The crawler mobile heavy-duty screening station with a low-temperature resistant structure according to claim 1, characterized in that: The heat-conducting net (663) is in a mesh shape, and a plurality of square hollows are provided on the surface of the heat-conducting net (663).

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