Heating device for reduction gearbox of cable crane

Abstract

The utility model relates to the technical field of reduction gearboxes, in particular to a cable crane reduction gearbox heating device which comprises a speed reducer oil tank, an oil conveying pipe, a mounting seat and a heater, the oil conveying pipe is mounted on the outer side of the speed reducer oil tank, the mounting seat is mounted above the speed reducer oil tank, and the heater is arranged above the mounting seat. The installation base and the speed reducer oil tank are detachably connected, an installation rod is fixed to the lower portion of the installation base, and a heating element is installed on the surface of the installation rod and used for heating oil in the speed reducer oil tank. According to the cable crane reduction gearbox heating device, the heating element on the mounting rod can be controlled, an oil body in a reducer oil tank can be heated through the heating element, the viscosity of the oil body is reduced, the effective lubricating effect of the oil body is kept, and the cable crane reduction gearbox heating device can meet the use requirement of a follow-up lubricating system; and the temperature of the oil body in the reducer oil tank can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction boxes, in particular to a heating device for a cable car reduction box. Background Art

[0002] The cable crane is an important equipment in the dam pouring process. It is responsible for the lifting of dam concrete and equipment materials. The cable crane reducer provides the function of matching the speed and transmitting torque between the prime mover and the working machine or actuator during the cable crane lifting process. When the reducer is in use, it will cooperate with the oil tank to transport and transfer the oil so that it can work stably. The application number is CN202021598552.4. A thin oil impurity sedimentation box and a reducer with a sedimentation box disclosed on April 30, 2021. The lubricating oil in the return oil circuit enters the first chamber from the oil inlet to precipitate the metal impurities therein, and then enters the second chamber through the return oil channel to further precipitate the metal impurities, and finally returns to the return oil circuit from the oil outlet, thereby removing the metal impurities contained in the lubricating oil in the return oil circuit and avoiding the pollution of the oil by metal impurities;

[0003] During the winter construction of cable cranes, due to the low external temperature, the fluidity of the oil will deteriorate, the viscosity of the reduction gearbox lubricating oil is too high, and the normal operating pressure lubrication system is not suitable for high-viscosity lubricating oil, resulting in the lubrication system not being able to work normally. The equipment needs to be preheated, etc. Therefore, a cable crane reduction gearbox heating device is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a cable crane reducer heating device to solve the problem raised in the above background technology that during winter construction of the cable crane, due to the low temperature, the viscosity of the reducer lubricating oil is too high, and the normally operating pressure lubrication system is not suitable for high-viscosity lubricating oil.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable crane reducer heating device, comprising a reducer oil tank, an oil pipeline, a mounting seat and a heater, an oil pipeline is installed on the outer side of the reducer oil tank, and a mounting seat is installed above the reducer oil tank, and a heater is arranged above the mounting seat, a detachable connection is formed between the mounting seat and the reducer oil tank, and a mounting rod is fixed below the mounting seat, and a heating element is installed on the surface of the mounting rod to heat the oil in the reducer oil tank, a temperature sensor is installed at the lower end of the mounting rod to detect the temperature of the oil in the reducer oil tank, a thermostat is installed above the reducer oil tank, and the start and stop of the heater are controlled by the thermostat, and an auxiliary heating mechanism is arranged on the outer side of the oil pipeline to heat the oil in the oil pipeline so that it can flow smoothly.

[0006] To further optimize the technical solution, a threaded connection is formed between the mounting seat and the reducer oil tank, and the lower surface of the mounting seat is made of rubber material to maintain a tight fit with the reducer oil tank.

[0007] To further optimize the technical solution, the auxiliary heating mechanism includes a flexible heating belt, which is wound around the outside of the oil pipeline to heat it, and the flexible heating belt is controlled by a temperature controller.

[0008] To further optimize the technical solution, an anti-scalding and heat-insulating mechanism is provided on the outer side of the flexible heating belt, and the anti-scalding and heat-insulating mechanism is used to provide protection for the outer side of the flexible heating belt.

[0009] To further optimize the technical solution, the anti-scalding and heat-insulating mechanism includes a heat-insulating protective pad and a connecting base layer;

[0010] A heat-insulating protective pad is wrapped around the outside of the oil pipeline to insulate it;

[0011] The connecting base layer is fixed on the inner side of the thermal insulation protection pad, and the flexible heating belt is installed on the inner side of the thermal insulation protection pad through the connecting base layer.

[0012] To further optimize the technical solution, the end of the thermal insulation protection pad is designed as a cut-shaped structure, and the first fixed block and the second fixed block are respectively arranged on the upper and lower sides of the interface after the thermal insulation protection pad is enclosed, and the first fixed block and the second fixed block are evenly distributed on the thermal insulation protection pad, and a docking mechanism is arranged between the first fixed block and the second fixed block, and the first fixed block and the second fixed block are connected by the docking mechanism to keep the thermal insulation protection pad in an enclosed state.

[0013] To further optimize the technical solution, the docking mechanism includes a through slot, a docking block, a positioning block and a return spring;

[0014] A through groove is provided inside the second fixing block;

[0015] A docking block is fixed on the surface of the first fixing block, and the docking block penetrates through the through slots to form a nested connection;

[0016] The positioning block is arranged inside the docking block and between the docking blocks to form a telescopic structure, and the outer end of the positioning block is designed in an inclined structure;

[0017] A return spring is fixed on the inner side of the positioning block to provide an outward thrust for the positioning block.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The cable car reducer box heating device can control the heating element on the mounting rod through the heater, and the oil in the reducer oil tank can be heated through the heating element to reduce its viscosity so as to maintain an effective lubrication effect and meet the use needs of the subsequent lubrication system. A temperature sensor is also provided on the mounting rod to detect the temperature of the oil in the reducer oil tank.

[0020] The cable crane reducer box heating device provides support for the mounting rod through the mounting seat, and the mounting seat can be screwed on the surface of the reducer oil tank by threaded connection, and can be directly installed at the oil port of the reducer oil tank later, without the need to improve the reducer oil tank itself, and the installation adaptability is stronger;

[0021] The cable car reducer heating device can heat the outside of the oil pipeline through a flexible heating belt, thereby preventing the oil from dissipating heat and returning to low temperature when it is transported in the oil pipeline, and can also ensure that the subsequent transported oil has appropriate fluidity and ensures the smooth flow of the oil in the oil pipeline;

[0022] The cable car reducer heating device provides external thermal insulation protection for the flexible heating belt through the thermal insulation protection pad, which can prevent the operator from being burned. The wrapping setting also makes it convenient to install the thermal insulation protection pad on the oil pipeline, and it can also be disassembled later.

[0023] The cable car reducer heating device connects the first fixed block and the second fixed block through a docking mechanism, so that the thermal insulation protection pad can form an enclosure structure outside the oil pipeline, and the thermal insulation protection pad can also be adapted to the covering of oil pipelines of different shapes, so it is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the mounting seat of the utility model;

[0026] Figure 3 This is a schematic diagram of the side structure of the thermal insulation protective pad of the utility model;

[0027] Figure 4 This is a schematic diagram of the expanded structure of the thermal insulation protective pad of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the thermal insulation protective pad of the utility model when viewed from above;

[0029] Figure 6 It is a schematic diagram of the side sectional structure of the first fixing block of the utility model.

[0030] In the figure: 1. reducer oil tank; 2. oil pipeline; 3. mounting seat; 4. heater; 5. thermostat; 6. mounting rod; 7. heating element; 8. temperature sensor; 9. flexible heating belt; 10. thermal insulation protection pad; 11. connecting base; 12. first fixing block; 13. second fixing block; 14. through groove; 15. docking block; 16. positioning block; 17. reset spring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-Figure 6 The utility model provides a technical solution: a cable car reducer heating device, comprising a reducer oil tank 1, an oil pipeline 2, a mounting seat 3 and a heater 4, the oil pipeline 2 is installed on the outer side of the reducer oil tank 1, the mounting seat 3 is installed above the reducer oil tank 1, and the heater 4 is arranged above the mounting seat 3;

[0033] Example 1

[0034] like Figure 1-Figure 2 The technical solution shown in the present invention provides a technical solution: a cable car reduction box heating device discloses:

[0035] The mounting seat 3 and the reducer oil tank 1 are detachably connected, and a mounting rod 6 is fixed below the mounting seat 3, and a heating element 7 is installed on the surface of the mounting rod 6 to heat the oil in the reducer oil tank 1. A temperature sensor 8 is installed at the lower end of the mounting rod 6 to detect the temperature of the oil in the reducer oil tank 1. A thermostat 5 is installed above the reducer oil tank 1 to control the start and shut down of the heater 4. An auxiliary heating mechanism is arranged on the outside of the oil pipeline 2 to heat the oil in the oil pipeline 2 so that it can flow smoothly. A threaded connection is formed between the mounting seat 3 and the reducer oil tank 1, and the lower surface of the mounting seat 3 is made of rubber material to keep a close fit with the reducer oil tank 1.

[0036] The mounting rod 6 can be installed into the reducer oil tank 1 through the mounting seat 3, and its temperature can be detected by the temperature sensor 8. The operation of the heater 4 can be controlled in cooperation with the thermostat 5. It can be set that when the oil temperature of the reducer oil tank 1 is lower than 5°C, the thermostat 5 controls the electric heater 4 and starts it, so that it heats the oil body through the heating element 7; when the oil temperature exceeds 10°C, the heater 4 is turned off, so as to facilitate better circulation of the hydraulic oil under low temperature conditions and provide good operating power for the reducer.

[0037] Example 2

[0038] like Figure 3-Figure 4 The technical solution shown in the embodiment 1 is based on the present invention. The utility model provides a technical solution: the heating device of the cable car reduction box discloses:

[0039] The auxiliary heating mechanism includes a flexible heating belt 9, which is wound around the outer side of the oil pipeline 2 to heat it, and the flexible heating belt 9 is controlled by a temperature controller 5. An anti-scalding and heat-insulating mechanism is provided on the outer side of the flexible heating belt 9, and the anti-scalding and heat-insulating mechanism is used to provide protection for the outer side of the flexible heating belt 9. The anti-scalding and heat-insulating mechanism includes a heat-insulating protective pad 10 and a connecting base layer 11. The heat-insulating protective pad 10 is wrapped around the outer side of the oil pipeline 2 to insulate it, and the connecting base layer 11 is fixed on the inner side of the heat-insulating protective pad 10. The flexible heating belt 9 is installed on the inner side of the heat-insulating protective pad 10 through the connecting base layer 11;

[0040] During heating, the flexible heating belt 9 can be controlled by the heater 4 to heat the oil pipeline 2, so that the oil temperature in the oil pipeline 2 remains stable, and its fluidity in the oil pipeline 2 is prevented from deteriorating due to low temperature. The heat insulation protection pad 10 on the outside of the flexible heating belt 9 can provide it with heat insulation protection to avoid burns to people, and can also provide insulation effect for the oil pipeline 2.

[0041] Example 3

[0042] like Figure 5-Figure 6 The technical solution shown in the embodiment 2 is based on the present invention. The utility model provides a technical solution: the heating device of the cable car reduction box discloses:

[0043] The end of the thermal insulation protection pad 10 is designed in a cut-open structure, and the first fixing block 12 and the second fixing block 13 are respectively arranged on the upper and lower sides of the interface after the thermal insulation protection pad 10 is enclosed, and the first fixing block 12 and the second fixing block 13 are evenly distributed on the thermal insulation protection pad 10, and a docking mechanism is arranged between the first fixing block 12 and the second fixing block 13, and the first fixing block 12 and the second fixing block 13 are connected by the docking mechanism, so that the thermal insulation protection pad 10 remains in an enclosed state, and the docking mechanism includes a through groove 14, a docking block 15, a positioning block 16 and a return spring 17, the through groove 14 is opened inside the second fixing block 13, the docking block 15 is fixed on the surface of the first fixing block 12, and the docking block 15 passes through the through groove 14 and the through groove 14 to form a nested connection, the positioning block 16 is arranged inside and between the docking block 15 to form a telescopic structure, and the outer end of the positioning block 16 is designed in an inclined structure, and the return spring 17 is fixed on the inner side of the positioning block 16 to provide an outward thrust for the positioning block 16;

[0044] The thermal insulation protection pad 10 and the flexible heating belt 9 can be removed from the oil pipeline 2. When they are not needed, the first fixing block 12 and the second fixing block 13 can be pulled to separate them from each other, and the docking block 15 can be pulled out of the through groove 14. The positioning block 16 is compressed by the extrusion force and moves the reset spring 17. After the first fixing block 12 and the second fixing block 13 are separated, the thermal insulation protection pad 10 and the flexible heating belt 9 can be removed from the oil pipeline 2. During subsequent installation, the thermal insulation protection pad 10 is wrapped around the oil pipeline 2, and then the docking block 15 is inserted into the through groove 14 and positioned with the positioning block 16 to complete the installation of the thermal insulation protection pad 10.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cable car reducer box heating device, comprising a reducer oil tank (1), an oil delivery pipe (2), a mounting seat (3) and a heater (4), wherein the reducer oil tank (1) is provided with an oil delivery pipe (2), the mounting seat (3) is provided above the reducer oil tank (1), and the heater (4) is provided above the mounting seat (3); Features: The mounting seat (3) and the reducer oil tank (1) are detachably connected, and a mounting rod (6) is fixed below the mounting seat (3), and a heating element (7) is installed on the surface of the mounting rod (6) to heat the oil in the reducer oil tank (1). A temperature sensor (8) is installed at the lower end of the mounting rod (6) to detect the temperature of the oil in the reducer oil tank (1). A thermostat (5) is installed above the reducer oil tank (1) to control the start and stop of the heater (4). An auxiliary heating mechanism is arranged on the outer side of the oil delivery pipe (2) to heat the oil in the oil delivery pipe (2) so that it can flow smoothly.

2. The cable car reduction box heating device according to claim 1 is characterized in that: A threaded connection is formed between the mounting seat (3) and the reducer oil tank (1), and the lower surface of the mounting seat (3) is made of a rubber material and is tightly fitted to the reducer oil tank (1).

3. The cable car reduction box heating device according to claim 1 is characterized in that: The auxiliary heating mechanism comprises a flexible heating belt (9), which is wound around the outside of the oil pipeline (2) to heat the oil pipeline, and the flexible heating belt (9) is controlled by a temperature controller (5).

4. The cable car reduction box heating device according to claim 3 is characterized in that: An anti-scalding and heat-insulating mechanism is provided on the outer side of the flexible heating belt (9), and the anti-scalding and heat-insulating mechanism is used to provide protection for the outer side of the flexible heating belt (9).

5. The cable car reduction box heating device according to claim 4 is characterized in that: The anti-scalding and heat-insulating mechanism comprises a heat-insulating protective pad (10) and a connecting base layer (11); A heat-insulating protective pad (10) is wrapped around the outer side of the oil pipeline (2) to provide heat insulation therefrom; The connecting base layer (11) is fixed on the inner side of the thermal insulation protection pad (10), and the flexible heating belt (9) is installed on the inner side of the thermal insulation protection pad (10) through the connecting base layer (11).

6. The cable car reduction box heating device according to claim 5 is characterized in that: The end of the thermal insulation protection pad (10) is designed as a cut-open structure, and a first fixing block (12) and a second fixing block (13) are respectively arranged on the upper and lower sides of the interface of the thermal insulation protection pad (10) after being enclosed, and the first fixing block (12) and the second fixing block (13) are evenly distributed on the thermal insulation protection pad (10), and a docking mechanism is arranged between the first fixing block (12) and the second fixing block (13), and the first fixing block (12) and the second fixing block (13) are connected by the docking mechanism, so that the thermal insulation protection pad (10) remains in an enclosed state.

7. The cable car reduction box heating device according to claim 6 is characterized in that: The docking mechanism comprises a through slot (14), a docking block (15), a positioning block (16) and a return spring (17); A through groove (14) is formed inside the second fixing block (13); A docking block (15) is fixed on the surface of the first fixing block (12), and the docking block (15) penetrates the through groove (14) and forms a nested connection between the through grooves (14); A positioning block (16) is arranged inside the docking block (15) and between the docking blocks (15) to form a telescopic structure, and the outer end of the positioning block (16) is designed to be inclined; A return spring (17) is fixed on the inner side of the positioning block (16) to provide an outward thrust for the positioning block (16).

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