Crown block hydraulic motor protection device

Abstract

The utility model discloses a crown block hydraulic motor protection device, which belongs to the technical field of hydraulic motors and comprises a motor box, a protection sleeve and a safety early warning component, a hydraulic motor is arranged in the motor box, a motor oil pipe is connected onto the hydraulic motor, the motor oil pipe penetrates through the motor box and is sleeved with the protection sleeve, and the safety early warning component is arranged on the motor box. The safety early warning assembly comprises an oil gas concentration detector and an alarm, the alarm is installed on the top of the motor box, and the oil gas concentration detector is arranged in the motor box. The hydraulic motor box has the advantages that the hydraulic motor is arranged in the motor box, the protection sleeve is arranged at the connecting position of the motor oil pipe and the motor, the protection effect on the exterior of the motor oil pipe can be enhanced, the anti-seepage and anti-leakage capacity is improved, meanwhile, the operation condition of the hydraulic motor can be monitored through the oil gas concentration detector arranged on the motor box, and the safety of the hydraulic motor is improved. And when more oil gas leaks, the alarm can be controlled to give an alarm to remind a worker to deal with the oil gas in time.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic motors, in particular to a protective device for a hydraulic motor of an overhead crane. Background Art

[0002] The hydraulic motor is an actuator of the hydraulic system. It converts the liquid pressure energy provided by the hydraulic pump into the mechanical energy of its output shaft. It is mainly used in injection molding machinery, ships, hoists, engineering machinery, construction machinery, coal mining machinery, mining machinery, metallurgical machinery, ship machinery, petrochemical industry, port machinery, etc. In the structure of the overhead crane, a hydraulic motor can be installed for driving. Generally, the hydraulic motor is directly fixed to the overhead crane by bolts, which is prone to collision damage during long-term operation.

[0003] Most of the overhead crane hydraulic motor protection devices in the prior art have simple structures and can only play a simple protective role. They are unable to effectively protect the hydraulic motor and the oil pipes connected to the hydraulic station, and lack a warning structure when oil leakage occurs. In addition, the device is not convenient for temperature monitoring of the motor, and its practicality and durability need to be improved. At the same time, a utility model patent with announcement number CN212332945U discloses a fully automatic salvage ship hydraulic motor protection device, including a hydraulic motor and a fixed plate. The hydraulic motor is fixedly mounted on the fixed plate, and a semicircular protective cover is welded on the fixed plate. The protective cover is coaxial with the hydraulic motor. It has a simple structure and a single function, and can only play a simple protective role. It lacks a warning structure when oil leakage occurs, and is not convenient for temperature monitoring of the motor. Utility Model Content

[0004] In order to overcome the problems in the prior art of overhead crane hydraulic motor protection devices, most of which have a simple structure and can only play a simple protective role, cannot effectively protect the hydraulic motor and the oil pipes connected to the hydraulic station, lack a structure for early warning when oil leakage occurs, and the device is not convenient for temperature monitoring of the motor, and its practicality and durability need to be improved. The utility model provides an overhead crane hydraulic motor protection device, including a motor box, a protective sleeve and a safety warning component, a hydraulic motor is arranged in the motor box, a motor oil pipe is connected to the hydraulic motor, a protective sleeve is provided on the motor oil pipe passing through the motor box sleeve, and a safety warning component is arranged on the motor box, the safety warning component includes an oil and gas concentration detector and an alarm, the alarm is installed on the top of the motor box, and the oil and gas concentration detector is arranged inside the motor box.

[0005] The hydraulic motor is arranged in the motor box. A protective sleeve is provided at the connection between the motor oil pipe and the motor. This can enhance the protection of the outside of the motor oil pipe and improve the anti-seepage and anti-leakage capabilities. At the same time, the oil and gas concentration detector installed on the motor box can monitor the operation of the hydraulic motor. When a large amount of oil and gas leakage occurs, the alarm can be controlled to sound an alarm to remind the staff to deal with it in time.

[0006] Preferably, the output shaft of the hydraulic motor passes through the side wall of the motor box, and the oil and gas concentration detector is installed on the top of the hydraulic motor near the motor oil pipe, and the oil and gas concentration detector is electrically connected to the alarm.

[0007] Preferably, a heat dissipation mechanism is installed on the side wall of the motor box, and the heat dissipation mechanism includes a temperature control switch, a heat dissipation box and a heat dissipation fan. The temperature control switch is arranged at the top of the inner side of the motor box, the heat dissipation box is installed on the outer wall of the motor box, the heat dissipation fan is arranged in the heat dissipation box, and a heat dissipation port is provided at the connection between the heat dissipation box and the motor box.

[0008] A heat dissipation mechanism is provided in the motor box, which can monitor the temperature inside the motor box under the action of the temperature control switch. When the temperature is too high, the cooling fan can be controlled to blow air to the motor box to dissipate heat, avoiding damage to the motor due to excessive temperature, improving the safety monitoring effect, and also facilitating management by staff.

[0009] Preferably, the outer surface of the heat dissipation box is provided with a vent, and the vent is provided with a dustproof net.

[0010] Preferably, the protective sleeve includes a sealed inner tube and an impermeable outer tube arranged inside and outside, and the sealed inner tube is tightly connected to the motor oil pipe.

[0011] Preferably, a display is provided on the front of the motor box, and the display is connected to the temperature control switch and the oil and gas concentration detector.

[0012] Preferably, a protective reinforcement plate is provided on the outside of the motor box, and an insulating layer is provided on the inside of the motor box.

[0013] By providing a protective reinforcement plate on the outside of the motor box, its compressive protection capability can be improved, making it less susceptible to damage. By providing an insulating layer inside the motor box, the insulation performance inside the motor box can be improved.

[0014] Preferably, a plurality of heat dissipation holes are provided on the back of the motor box, and a connecting flange is provided on the top of the protective sleeve.

[0015] Preferably, the material of the protective reinforcement plate is a reinforced steel plate, and the material of the insulating layer is an epoxy resin insulating material.

[0016] Preferably, a fixed bottom plate is provided at the bottom of the motor box, and a plurality of fixing holes are provided on the fixed bottom plate.

[0017] By fixing the bottom plate and the fixing holes, the motor box can be easily fixed so that the hydraulic motor can run stably.

[0018] Beneficial effects:

[0019] The beneficial effects produced by adopting the technical solution of the utility model are as follows:

[0020] (1) The hydraulic motor is installed in the motor box. By installing a protective sleeve at the connection between the motor oil pipe and the motor, the protection effect of the motor oil pipe can be strengthened and the anti-seepage and anti-leakage capabilities can be improved. At the same time, the oil and gas concentration detector installed on the motor box can monitor the operation of the hydraulic motor. When a large amount of oil and gas leakage occurs, the alarm can be controlled to sound an alarm to remind the staff to deal with it in time.

[0021] (2) A heat dissipation mechanism is provided in the motor box, which can monitor the temperature in the motor box under the action of the temperature control switch. When the temperature is too high, the cooling fan can be controlled to blow air to the motor box to dissipate heat, thereby avoiding damage to the motor due to excessive temperature, improving the safety monitoring effect, and facilitating management by staff.

[0022] (3) By providing a protective reinforcement plate on the outside of the motor box, its compressive protection capability can be improved, making it less susceptible to damage. By providing an insulating layer inside the motor box, the insulation performance inside the motor box can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the protective device for the hydraulic motor of the overhead crane of the utility model;

[0025] Figure 2 This is a schematic diagram of the connection structure of the front side of the protective device for the hydraulic motor of the overhead crane of the utility model;

[0026] Figure 3 It is a schematic diagram of the connection structure inside the protective device of the hydraulic motor of the overhead crane of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the protective housing of the protective device for the hydraulic motor of the overhead crane of the utility model;

[0028] Figure 5 The utility model is a structural schematic diagram of a protective sleeve of a protective device for a hydraulic motor of an overhead crane.

[0029] In the figure: 1. Motor box; 2. Fixed bottom plate; 3. Protective sleeve; 4. Display; 5. Fixing hole; 6. Alarm; 7. Heat dissipation mechanism; 8. Hydraulic motor; 9. Motor oil pipe; 10. Oil and gas concentration detector; 11. Temperature control switch; 12. Heat dissipation box; 13. Cooling fan; 14. Ventilation port; 15. Heat dissipation port; 16. Protective reinforcement plate; 17. Insulation layer; 18. Anti-seepage outer tube; 19. Sealed inner tube. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0031] In this embodiment, the hydraulic motor is arranged in the motor box, and a protective sleeve is arranged at the connection between the motor oil pipe and the motor, so as to strengthen the protection effect of the motor oil pipe outside and improve the anti-seepage and anti-leakage capabilities. At the same time, the oil and gas concentration detector arranged on the motor box can monitor the operation of the hydraulic motor. When a large amount of oil and gas leakage occurs, the alarm can be controlled to sound an alarm to remind the staff to deal with it in time. The specific implementation is as follows:

[0032] like Figures 1 to 5As shown, a protective device for a hydraulic motor of an overhead crane comprises a motor box 1, a protective sleeve 3 and a safety warning component. A hydraulic motor 8 is arranged in the motor box 1, a motor oil pipe 9 is connected to the hydraulic motor 8, the motor oil pipe 9 passes through the motor box 1 and is provided with a protective sleeve 3, and a safety warning component is arranged on the motor box 1. The safety warning component comprises an oil and gas concentration detector 10 and an alarm 6. The alarm 6 is installed on the top of the motor box 1, and the oil and gas concentration detector 10 is arranged inside the motor box 1. The hydraulic motor 8 is arranged in the motor box 1, and the protective sleeve 3 is arranged at the connection between the motor oil pipe 9 and the motor, so that the protection effect of the outside of the motor oil pipe 9 can be strengthened, and the anti-seepage and anti-leakage capabilities can be improved. At the same time, the oil and gas concentration detector 10 arranged on the motor box 1 can monitor the operation of the hydraulic motor 8. When a large amount of oil and gas leakage occurs, the alarm 6 can be controlled to sound an alarm to remind the staff to deal with it in time.

[0033] The output shaft of the hydraulic motor 8 passes through the side wall of the motor box 1. An oil and gas concentration detector 10 is installed at the top of the hydraulic motor 8 near the motor oil pipe 9. The oil and gas concentration detector 10 is electrically connected to the alarm 6. The output shaft of the hydraulic motor 8 is connected to the output device for operation. The alarm 6 is associated with the oil and gas concentration detector 10. The model of the oil and gas concentration detector 10 is GC310.

[0034] The side wall of the motor box 1 is installed with a heat dissipation mechanism 7, which includes a temperature control switch 11, a heat dissipation box 12 and a heat dissipation fan 13. The temperature control switch 11 is arranged at the top of the inner side of the motor box 1, the heat dissipation box 12 is installed on the outer wall of the motor box 1, and the heat dissipation fan 13 is arranged in the heat dissipation box 12. A heat dissipation port 15 is arranged at the connection between the heat dissipation box 12 and the motor box 1. The heat dissipation mechanism 7 is arranged in the motor box 1, and the temperature in the motor box 1 can be monitored under the action of the temperature control switch 11. When the temperature is too high, the heat dissipation fan 13 can be controlled to blow air to the motor box 1 to dissipate heat, so as to avoid damage to the motor due to excessive temperature, thereby improving the safety monitoring effect and facilitating management by staff.

[0035] The outer surface of the heat sink 12 is provided with a vent 14, and a dustproof net is provided on the vent 14. The vent 14 and the heat sink 15 form a heat dissipation channel, and the heat dissipation fan 13 can normally realize air intake and blowing. The dustproof net can prevent dust from entering the heat sink 12.

[0036] The protective sleeve 3 includes a sealed inner tube 19 and an impermeable outer tube 18 arranged inside and outside. The sealed inner tube 19 is tightly connected to the motor oil pipe 9. The sealing inner tube 19 can improve the sealing of the connection between the protective sleeve 3 and the motor oil pipe 9, and the impermeable outer tube 18 can enhance the impermeability and leakage prevention capabilities.

[0037] A display 4 is provided on the front of the motor box 1, and the display 4 is connected to the temperature control switch 11 and the oil and gas concentration detector 10. The display 4 can display data such as temperature and oil and gas concentration, so as to facilitate the staff to view and manage.

[0038] The motor box 1 is provided with a protective reinforcement plate 16 on the outside, and an insulating layer 17 on the inside. The protective reinforcement plate 16 provided on the outside of the motor box 1 can improve its compressive protection capability and make it less prone to damage, and the insulating layer 17 provided inside the motor box 1 can improve the internal insulation performance of the motor box 1.

[0039] A plurality of heat dissipation holes are arranged on the back of the motor box 1, and a connecting flange is arranged on the top of the protective sleeve 3. The heat dissipation holes can further enhance the heat dissipation effect inside the motor box 1, and the connecting flange can facilitate its connection with other pipelines.

[0040] The material of the protection reinforcement plate 16 is a reinforced steel plate, and the material of the insulation layer 17 is an epoxy resin insulation material.

[0041] The bottom of the motor box 1 is provided with a fixed bottom plate 2, and a plurality of fixing holes 5 are provided on the fixed bottom plate 2. The motor box 1 can be easily fixed by the fixed bottom plate 2 and the fixing holes 5, so that the hydraulic motor 8 can run stably.

[0042] Working principle: The hydraulic motor is arranged in the motor box. By arranging a protective sleeve at the connection between the motor oil pipe and the motor, the protective effect of the outside of the motor oil pipe can be strengthened under the action of the sealed inner pipe and the anti-seepage outer pipe, and the anti-seepage and anti-leakage capabilities can be improved. At the same time, the oil and gas concentration detector arranged on the motor box can be used to monitor the operation of the hydraulic motor. When there are many oil and gas leaks, the alarm can be controlled to sound an alarm to remind the staff to deal with it in time. A heat dissipation mechanism is arranged in the motor box. Under the action of the temperature control switch, the temperature in the motor box can be monitored. When the temperature is too high, the cooling fan can be controlled to blow air to the motor box for heat dissipation to avoid damage to the motor due to excessive temperature, thereby improving the safety monitoring effect and facilitating management by the staff. In addition, the protective reinforcement plate arranged on the outside of the motor box can improve its pressure protection capability and make it not easy to be damaged. The insulating layer arranged in the motor box can improve the insulation performance inside the motor box.

[0043] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A protective device for a crane hydraulic motor, characterized in that: The invention comprises a motor box (1), a protective sleeve (3) and a safety warning component. A hydraulic motor (8) is arranged in the motor box (1). A motor oil pipe (9) is connected to the hydraulic motor (8). The motor oil pipe (9) passes through the motor box (1) and is sleeved with a protective sleeve (3). A safety warning component is arranged on the motor box (1). The safety warning component comprises an oil and gas concentration detector (10) and an alarm (6). The alarm (6) is installed on the top of the motor box (1). The oil and gas concentration detector (10) is arranged inside the motor box (1).

2. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: The output shaft of the hydraulic motor (8) passes through the side wall of the motor box (1), and the oil and gas concentration detector (10) is installed on the top of the hydraulic motor (8) near the motor oil pipe (9), and the oil and gas concentration detector (10) is electrically connected to the alarm (6).

3. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: A heat dissipation mechanism (7) is installed on the side wall of the motor box (1), and the heat dissipation mechanism (7) comprises a temperature control switch (11), a heat dissipation box (12) and a heat dissipation fan (13). The temperature control switch (11) is arranged at the top of the inner side of the motor box (1), the heat dissipation box (12) is installed on the outer wall of the motor box (1), and the heat dissipation fan (13) is arranged in the heat dissipation box (12). A heat dissipation port (15) is arranged at the connection between the heat dissipation box (12) and the motor box (1).

4. A protective device for a hydraulic motor of an overhead crane according to claim 3, characterized in that: The outer surface of the heat dissipation box (12) is provided with a vent (14), and a dustproof net is provided on the vent (14).

5. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: The protective sleeve (3) comprises a sealed inner tube (19) and an impermeable outer tube (18) arranged inside and outside, and the sealed inner tube (19) is tightly connected to the motor oil pipe (9).

6. The protective device for a hydraulic motor of an overhead crane according to claim 3, characterized in that: A display (4) is provided on the front of the motor box (1), and the display (4) is connected to the temperature control switch (11) and the oil and gas concentration detector (10).

7. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: A protective reinforcement plate (16) is provided on the outside of the motor box (1), and an insulating layer (17) is provided on the inside of the motor box (1).

8. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: The back of the motor box (1) is provided with a plurality of heat dissipation holes, and the top of the protective sleeve (3) is provided with a connecting flange.

9. The protective device for a hydraulic motor of an overhead crane according to claim 7, characterized in that: The material of the protective reinforcement plate (16) is a reinforced steel plate, and the material of the insulating layer (17) is an epoxy resin insulating material.

10. The protective device for a hydraulic motor of an overhead crane according to claim 1, characterized in that: The bottom of the motor box (1) is provided with a fixed base plate (2), and the fixed base plate (2) is provided with a plurality of fixing holes (5).

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