CN220101968U - Vertical torque-limiting type hydraulic coupler - Google Patents
Vertical torque-limiting type hydraulic coupler Download PDFInfo
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- CN220101968U CN220101968U CN202320481754.8U CN202320481754U CN220101968U CN 220101968 U CN220101968 U CN 220101968U CN 202320481754 U CN202320481754 U CN 202320481754U CN 220101968 U CN220101968 U CN 220101968U
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- 239000012530 fluid Substances 0.000 claims abstract description 55
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 93
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 10
- 239000002480 mineral oil Substances 0.000 claims description 10
- 235000010446 mineral oil Nutrition 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000010723 turbine oil Substances 0.000 claims description 4
- 239000010721 machine oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a vertical torque-limiting type hydraulic coupler which comprises a driving joint, an elastic block, a driven joint, a shell gland, a shell, a main shaft, a turbine, a pump wheel, an oil measuring plug, a rear auxiliary cavity, an oil drain plug and a fusible plug, wherein the driving joint is connected with the elastic block; the driving joint is arranged on the shaft extension of the motor, and the driven joint is connected with the driving joint through an elastic block; the upper side of the shell is connected with the driven joint through a shell gland, and the lower side of the shell is buckled and connected with the pump wheel; the turbine is arranged in the inner space of the shell, the turbine and the pump wheel are parallel and symmetrically arranged, the turbine and the pump wheel are provided with a plurality of blades for stirring liquid flow, and a working cavity for working fluid to flow is formed between the pump wheel and the turbine; the turbine, the shell gland, the shell, the pump wheel and the rear auxiliary cavity are respectively sleeved on the periphery of the main shaft, and an output shaft of the main shaft is connected with the working machine. The coupler has high efficiency, can drive a load to start stably, and has an overload protection function; can isolate torsional vibration and impact, and ensure the torque transmission capacity and transmission efficiency of the product.
Description
Technical Field
The utility model relates to the technical field of hydraulic coupler equipment, in particular to a vertical torque-limiting hydraulic coupler.
Background
The hydraulic coupler is a flexible transmission device, and is a hydraulic transmission device for transmitting power by using liquid as a working medium. The hydraulic pump is driven by a power machine, then liquid (water or oil) in a working cavity is pulled by a driving impeller (pump impeller) to apply work (centrifugal motion) to a driven impeller (turbine), and then the power machine is driven to rotate, so as to output torque. The conventional hydraulic coupler is horizontally installed, the installation accuracy is poor, the tightness is poor, when the hydraulic coupler is used, the hydraulic coupler integrally rotates, the unit vibrates greatly, oil is easy to seep out from a connecting position, and oil leakage phenomenon occurs, so that equipment and market demands are difficult to meet.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a vertical torque-limiting type hydraulic coupler.
The utility model is realized by the following technical scheme: the vertical torque-limiting hydraulic coupler is arranged on a working machine through a mounting bracket, the mounting bracket is also provided with a motor, the motor is arranged on the upper side of the mounting bracket, the vertical torque-limiting hydraulic coupler is hoisted below the motor and is positioned in the mounting bracket, and the vertical torque-limiting hydraulic coupler comprises a driving joint, an elastic block, a driven joint, a shell gland, a shell, a main shaft, a turbine, a pump wheel, an oil measuring plug, a rear auxiliary cavity, an oil drain plug and a fusible plug; the driving joint is arranged on the motor shaft extension, the driven joint is connected with the elastic block, and the elastic block is connected with the driving joint; the upper side of the shell is connected with the driven joint through the shell gland, and the lower side of the shell is buckled and connected with the pump wheel; the turbine is arranged in the inner space of the shell, the turbine and the pump wheel are arranged in parallel and symmetrically, the turbine and the pump wheel are provided with a plurality of blades for stirring liquid flow, and a working cavity for working liquid to flow is formed between the pump wheel and the turbine; the turbine is sleeved on the periphery of the main shaft and is in linkage with the main shaft, the shell gland, the shell, the pump wheel and the rear auxiliary cavity are respectively sleeved on the periphery of the main shaft, and an output shaft of the main shaft is connected with the working machine; the rear auxiliary cavity is arranged below the pump wheel, the rear auxiliary cavity is communicated with the inner space of the shell, the fusible plug is arranged on the upper side of the shell, the oil drain plug is arranged on the lower side of the rear auxiliary cavity, and the oil measuring plug is arranged at the joint of the side wall of the shell and the lower part of the pump wheel; the pump impeller inner inlet is communicated with the rear auxiliary cavity, the pump impeller outer outlet is communicated with the turbine inlet, and the pump impeller inner inlet is communicated with the turbine inner outlet; the vertical torque-limiting hydraulic coupler is vertically installed, the driving joint is located at the upper side, and the rear auxiliary cavity is located at the lower side.
The device is matched with the motor and the working machine for use, is easy to install and has higher installation precision, thereby reducing the centrifugal force generated by unbalanced rotation of the rotor of the torque-limiting type hydraulic coupler, reducing the impact and vibration in the starting process, ensuring that the device runs stably, preventing power overload and prolonging the service life of the machine.
The vertical torque-limiting hydraulic coupler also comprises a thread ring, and the thread ring is sleeved on the periphery of the main shaft; the outer periphery of the main shaft is provided with an ear seat, the inner side of the turbine is clamped between the ear seat and the threaded ring, and the turbine and the main shaft are fixed together after the ear seat, the inner side of the turbine and the threaded ring are sequentially penetrated through bolts.
The elastic block is an H-shaped elastic block, the driving joint and the driven joint are respectively provided with a tooth claw, the H-shaped elastic block is arranged on the tooth claws of the driven joint, and the tooth claws of the driving joint are aligned with the gaps of the H-shaped elastic block. When the motor is moved, the driving joint, the H-shaped elastic block and the driven joint are combined into a whole.
And an installation gap is reserved between the end surfaces of the driving joint and the driven joint which are installed oppositely.
A first oil seal is arranged at the sleeving part of the shell gland and the main shaft; a second oil seal is arranged at the sleeving part of the shell and the main shaft; and a third oil seal is arranged at the sleeving part of the rear auxiliary cavity and the main shaft.
The outer periphery of the main shaft is sleeved with a first bearing and a second bearing, the shell is sleeved on the outer periphery of the main shaft through the first bearing, and the first bearing is positioned between the first oil seal and the second oil seal; the pump impeller is sleeved on the periphery of the main shaft through the second bearing.
The melting temperature of the fusible alloy in the fusible plug is 140 ℃.
The oil measuring plug is sleeved with a first O-shaped sealing ring, and the fusible plug is sleeved with a second O-shaped sealing ring.
The working fluid adopts mineral oil, and the viscosity mu=32 mm of the mineral oil 2 S, severe γ=860 kg/m 3 The flash point is more than 180 ℃ and the condensation point is less than-10 ℃.
The mineral oil is hydraulic transmission oil, turbine oil or refrigerating machine oil.
Compared with the prior art, the utility model has the advantages that: the coupler has high efficiency, the vertical structure is simple to install, the load can be driven to start stably, the starting performance is improved, and the starting capability is improved; has overload protection effect; torsional vibration and impact can be isolated; balancing the load of each motor in a plurality of motor drive chains; and reduces the impact current of the power grid; the mounting and connecting mode of the coupler solves the lubrication problem of the upper bearing, and ensures the torque transmission capacity and transmission efficiency of the product; the coupler can be matched with various vertical working machines with connecting structures for use, and is suitable for various use environments.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of the embodiment of the present utility model, which cooperates with a motor and a working machine.
The meaning of the reference numerals in the figures: 1. an active joint; 2. a driven section; 3. a housing gland; 4. a housing; 5. a threaded ring; 6. a main shaft; 7. a turbine; 8. a pump wheel; 9. measuring an oil measuring plug; 10. a rear auxiliary cavity; 11. an oil drain plug; 12. an H-shaped elastic block; 13. a first oil seal; 14. a first bearing; 15. a second oil seal; 16. a fusible plug; 17. a second bearing; 18. a third oil seal; 101. a motor; 102. a vertical torque-limiting fluid coupling; 103. a mounting bracket; 104. a working machine.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and detailed description.
Examples
Referring to fig. 1 to 2, the vertical torque-limiting hydraulic coupler is a vertical torque-limiting hydraulic coupler, which is installed on a working machine 104 through a mounting bracket 103, wherein the mounting bracket 103 is also provided with a motor 101, the motor 101 is installed on the upper side of the mounting bracket 103, the vertical torque-limiting hydraulic coupler 102 is hoisted below the motor 101 and is positioned in the mounting bracket 103, and the vertical torque-limiting hydraulic coupler 102 comprises a driving joint 1, an elastic block, a driven joint 2, a housing gland 3, a housing 4, a main shaft 6, a turbine 7, a pump wheel 8, an oil measuring plug 9, a rear auxiliary cavity 10, an oil drain plug 11 and a fusible plug 16; the driving joint 1 is arranged on the shaft extension of the motor 101, the driven joint 2 is connected with an elastic block, and the elastic block is connected with the driving joint 1; the upper side of the shell 4 is connected with the driven joint 2 through the shell gland 3, and the lower side of the shell 4 is buckled and connected with the pump wheel 8; the turbine 7 is arranged in the inner space of the shell 4, the turbine 7 and the pump wheel 8 are arranged in parallel and symmetrically, the turbine 7 and the pump wheel 8 are provided with a plurality of blades for stirring liquid flow, and a working cavity for working fluid to flow is formed between the pump wheel 8 and the turbine 7; the turbine 7 is sleeved on the periphery of the main shaft 6 and is in linkage with the main shaft 6, the shell gland 3, the shell 4, the pump wheel 8 and the rear auxiliary cavity 10 are respectively sleeved on the periphery of the main shaft 6, and an output shaft of the main shaft 6 is connected with the working machine 104; the rear auxiliary cavity 10 is arranged below the pump wheel 8, the rear auxiliary cavity 10 is communicated with the inner space of the shell 4, a fusible plug 16 is arranged on the upper side of the shell 4, an oil drain plug 11 is arranged on the lower side of the rear auxiliary cavity 10, and an oil measuring plug 9 is arranged at the joint of the side wall of the shell 4 and the lower part of the pump wheel 8; the inner side inlet of the pump wheel 8 is communicated with the rear auxiliary cavity 10, the outer side outlet of the pump wheel 8 is communicated with the inlet of the turbine 7, and the inner side inlet of the pump wheel 8 is communicated with the inner side outlet of the turbine 7; the vertical torque-limiting fluid coupling 102 is vertically installed, the driving joint 1 is located on the upper side, and the rear auxiliary cavity 10 is located on the lower side.
The device is matched with the motor 101 and the working machine 104 for use, is easy to install and has higher installation precision, thereby reducing the centrifugal force generated by unbalanced rotation of the rotor of the torque-limiting type hydraulic coupler, reducing the impact and vibration in the starting process, ensuring that the device runs stably, preventing power overload and prolonging the service life of the machine.
The vertical torque-limiting hydraulic coupler 102 further comprises a threaded ring 5, and the threaded ring 5 is sleeved on the periphery of the main shaft 6; the periphery of the main shaft 6 is provided with an ear seat, the inner side of the turbine 7 is clamped between the ear seat and the threaded ring 5, and the turbine 7 and the main shaft 6 are fixed together after the ear seat, the inner side of the turbine 7 and the threaded ring 5 are sequentially penetrated through bolts.
The elastic block is an H-shaped elastic block 12, the driving joint 1 and the driven joint 2 are respectively provided with a tooth claw, the H-shaped elastic block 12 is arranged on the tooth claw of the driven joint 2, and the tooth claw of the driving joint 1 is aligned with the gap of the H-shaped elastic block 12. When the motor 101 is moved, the driving joint 1, the H-shaped elastic block 12 and the driven joint 2 are combined into a whole.
An installation gap is reserved between the end surfaces of the driving joint 1 and the driven joint 2 which are installed oppositely.
A first oil seal 13 is arranged at the sleeving part of the shell gland 3 and the main shaft 6; a second oil seal 15 is arranged at the sleeving part of the shell 4 and the main shaft 6; a third oil seal 18 is arranged at the sleeving part of the rear auxiliary cavity 10 and the main shaft 6.
The outer periphery of the main shaft 6 is sleeved with a first bearing 14 and a second bearing 17, the shell 4 is sleeved on the outer periphery of the main shaft 6 through the first bearing 14, and the first bearing 14 is positioned between the first oil seal 13 and the second oil seal 15; the pump wheel 8 is sleeved on the periphery of the main shaft 6 through a second bearing 17.
The fusible alloy in fusible plug 16 has a melting temperature of 140 ℃.
The oil measuring plug 9 is sleeved with a first O-shaped sealing ring, and the fusible plug 16 is sleeved with a second O-shaped sealing ring.
The working fluid adopts mineral oil, and the viscosity mu=32 mm of the mineral oil 2 S, severe γ=860 kg/m 3 The flash point is more than 180 ℃ and the condensation point is less than-10 ℃.
The mineral oil is hydraulic transmission oil, turbine oil or refrigerating machine oil.
When the vertical torque-limiting type hydraulic coupler 102 works, the motor 101 drives the pump wheel 8 to rotate through the driving joint 1, the H-shaped elastic block 12, the driven joint 2, the shell 4 and the rear auxiliary cavity 10, working fluid in the working cavity of the hydraulic coupler is subjected to the double functions of centrifugal force and pushing of blades of the pump wheel 8, the inner inlet of the pump wheel 8 is accelerated and pressurized to flow to the outer edge outlet (outer outlet), the momentum moment of the fluid obtains increment, namely, the pump wheel 8 converts mechanical energy input by the motor 101 into fluid kinetic energy, and when working fluid with the fluid kinetic energy is impacted to the opposite turbine 7 through the outer outlet of the pump wheel 8, the fluid impacts the blades of the turbine 7 to rotate in the same direction as the pump wheel 8, namely, the fluid kinetic energy is converted into mechanical energy again, and the turbine 7 is driven to rotate and drives the working machine 104 to do work. After the working fluid releases the kinetic energy of the fluid, the working fluid flows from the inlet at the outer side of the turbine 7 to the outlet at the inner side of the turbine 7 and enters the inlet at the inner side of the pump wheel 8 again, and the next circulation flow is started. In this way, the working fluid continuously makes spiral circulation motion between the pump wheel 8 and the turbine 7, and the turbine 7 drives the main shaft 6 to transmit power to the working machine 104.
In this embodiment, the vertical torque-limiting fluid coupling 102 has the characteristics of improving transmission quality and saving energy:
1) The vertical installation structure of the motor 101 and the hydraulic coupler is suitable for the installation requirement of vertical working conditions.
2) The motor 101 can be started in a no-load mode and started in a soft mode, and the speed of the motor 101 is increased. Before the coupler is not started, the auxiliary cavity below is filled with working liquid, so that the oil filling rate of the working cavity is reduced, the starting moment is reduced, and the starting becomes stable and soft.
3) The ability of the motor 101 to start loads can be improved: the peak torque of the motor 101 is utilized to start the load, and the defect of low starting torque of the asynchronous motor 101 is overcome.
4) Overload protection: even if the working machine 104 is blocked and does not rotate, the power machine can still rotate with the pump wheel 8 as usual, and the working machine is not overloaded, stalled or blocked, so that the motor 101 and the working machine 104 are protected from damage. The working fluid can flow in a large circulation manner during overload, and can rapidly leak into the auxiliary cavity below by virtue of dynamic pressure and gravity, so that the motor 101 and the working machine 104 are timely protected from damage during overload.
5) The starting current and the duration time are reduced, and the power consumption of the starting working condition is reduced.
6) Impact and vibration in starting and running processes are reduced, torsional vibration is isolated, equipment and transmission parts are protected, and the service life of the equipment is prolonged.
7) The oil filling plug and the fusible plug 16 are arranged above, so that the oil filling and the fusible plug 16 disassembly are convenient and flexible; meanwhile, an oil drain plug is arranged below the oil tank so as to be used in oil change.
During operation of the vertical torque-limiting fluid coupling 102, the working fluid temperature increases due to power loss caused by slip. The torque-limiting fluid coupling is characterized in that the temperature of the working fluid is kept unchanged when the heat dissipation capacity of the outer surface is balanced with the heat generated by slip loss through the heat dissipation of the outer surface, and the temperature of the working fluid is generally 80-90 ℃. The torque limiting type hydraulic coupler is provided with a fusible plug 16, the fusible alloy in the fusible plug 16 has a melting temperature of 140 ℃, and when the working fluid reaches or exceeds 140 ℃, the working fluid in the torque limiting type hydraulic coupler is sprayed out through the fusible plug 16 to cut off power transmission, so that the hydraulic coupler and related equipment are protected. The product structure is suitable for the working conditions of general working rotation speed and transmission power.
1. The main technical parameters of the coupler of this example are shown in table 1:
table 1: main technical parameters
2. The installation of the present embodiment
1) The driving joint 1 of the vertical torque-limiting hydraulic coupler 102 is taken out, the rest part is installed on the shaft extension of the working machine 104 as a whole, the driving joint is axially fixed with the working machine 104 in the main shaft 6 of the hydraulic coupler through a gasket by using bolts, the working machine 104 is installed according to the installation requirement, and the working machine 104 (foundation bolts) is screwed.
2) The driving joint 1 of the vertical torque-limiting hydraulic coupler 102 is arranged on the motor 101 (the shaft is stretched, when the motor 101 is arranged, the tooth claw of the driving joint 1 is aligned with the gap of the H-shaped elastic block 12, the motor 101 is moved to enable the driving joint 1, the H-shaped elastic block 12 and the driven joint 2 to be combined into a whole, a certain installation gap is reserved between the end faces of the driving joint 1 and the driven joint 2, and the installation allowance deviation of the hydraulic coupler is shown in the table 2.
3) According to the installation allowable deviation requirement of the hydraulic coupler shown in table 2, the axis of the electric spindle 6 and the axis of the working machine 104 are aligned, and after the alignment meets the requirement, the fixing bolt of the motor 101 is screwed.
4) The installation alignment precision of the axis of the main shaft 6 of the motor 101 and the axis of the working machine 104 and the clearance between the driving joint 1 and the driven joint 2 are checked, and the requirements of the installation allowance deviation of the hydraulic coupler in table 2 are met.
Table 2: vertical torque limiting fluid coupling 102 installation tolerance
5) The rotors of the vertical torque-limiting hydraulic coupler 102 and the working machine 104 are respectively driven, and the motor 101, the vertical torque-limiting hydraulic coupler 102 and the working machine 104 do not rotate abnormally.
6) And (3) detaching one oil measuring plug 9 and the fusible plug 16, inserting an oil quantity detecting device into the oil measuring plug 9, observing the oil quantity, and filling the vertical torque-limiting fluid coupler 102 with oil until the oil quantity meets the requirements.
7) The oil measuring pipe is pulled out, and the detached oil measuring plug 9 and the fusible plug 16 are screwed. And screwed down. Care should be taken not to damage the O-ring seal on the metering plug 9 and fusible plug 16.
3. The disassembly sequence of the present embodiment
1) The motor 101 is removed to fix the locking bolt, and then the motor 101 and the driving joint 1 are removed from the vertical torque limiting fluid coupling 102.
2) The bolts fixed with the working machine 104 in the main shaft 6 of the vertical torque-limiting hydraulic coupler 102 are screwed out, and the vertical torque-limiting hydraulic coupler 102 is pulled out from the input shaft of the working machine 104 by a hydraulic puller or a screw puller.
The disassembly is not carried out by using tools to knock the surface of the aluminum casting and the disassembly by using a heating method is not carried out.
4. Regarding working fluid (working oil)
1) Action of working fluid
The working fluid can ensure flexible combination between the driving shaft and the driven shaft, and is a medium for transmitting torque of the hydraulic coupler. For the same fluid coupling, the quantity of liquid filling directly influences the torque transmitted by the fluid coupling, and the basic rule is as follows: in the prescribed liquid charge amount range, the larger the liquid charge amount, the larger the torque transmitted by the fluid coupling. When the torque to be transmitted is constant, the more the liquid charge amount is, the higher the efficiency is, but at this time, the starting torque is increased, and the overload coefficient is also increased correspondingly. By utilizing different filling amounts, the hydraulic coupler with the same specification can be matched with motors with different powers so as to adapt to the requirements of different working machines 104.
2) Selection of working oils and quality
The quality of the working oil directly affects the torque transmitting capacity of the fluid coupling, so the quality of the oil is a key issue. The working oil is required to have the advantages of low viscosity mu, high heavy gamma, high flash point, low condensation point, aging resistance, low corrosiveness and the like, and the conditions are mutually restricted, cannot be combined, and are considered comprehensively. The working oil is required to have the following properties:
viscosity: mu=32 mm 2/s (40 ℃ C.)
Severe: gamma=860 kg/m 3
Flash point: more than 180 DEG C
Condensation point: < -10 DEG C
The mineral oil meeting the requirements of the normal working condition of the hydraulic coupler comprises the following components: hydraulic transmission oil, turbine oil, refrigerator oil, etc.
3) Liquid filling and liquid quantity inspection
(1) Oil charge range:
in order to ensure that the torque transmitted by the vertical torque-limiting fluid coupling 102 meets the design and use requirements, the corresponding fluid charge amount is 40% (minimum fluid charge amount) to 80% (maximum fluid charge amount) of the total volume of the fluid coupling, and is not allowed to exceed the range.
(2) Oil filling sequence:
a. and (3) disassembling one oil measuring plug 9 and fusible plug 16, inserting an oil quantity detecting device into the oil measuring plug 9, filling oil from the fusible plug 16 seat, and filling oil to the vertical torque-limiting fluid coupler 102 by observing the height of the oil measuring pipe.
b. The working oil is filtered by a filter screen with 80-100 meshes according to the oil filling quantity determined by the oil filling curve, and the working oil is filled into the vertical torque limiting fluid coupling 102 according to the quantity. Care should be taken not to carry any solid impurities.
c. Finally, the side oil plug and fusible plug 16 are screwed on.
(3) Oil quantity inspection
After the vertical torque-limiting fluid coupling 102 is used for a period of time, in order to check whether the oil amount changes or whether the oil amount is correct when new oil is replaced, the oil amount is checked, and the checking method is as follows:
a. and (3) disassembling one oil measuring plug 9 and fusible plug 16, inserting an oil quantity detecting device into the oil measuring plug 9, adding oil from the fusible plug 16 seat, observing whether the oil quantity is changed or not, and observing the oil quality state through an oil measuring pipe. When the oil quantity changes, the oil quantity is timely adjusted to the required requirement.
Note that: when the ambient temperature is greatly different, the oil quantity is slightly changed, and the oil quantity is normal.
b. The oil measuring plug 9 and the fusible plug 16 are screwed on.
The foregoing detailed description is directed to embodiments of the utility model which are not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.
Claims (10)
1. The utility model provides a vertical limit moment formula fluid coupling, installs on the working machine through the installing support, and the installing support still is equipped with motor, its characterized in that: the motor is arranged on the upper side of the mounting bracket, the vertical torque-limiting hydraulic coupler is hoisted below the motor and is positioned in the mounting bracket, and the vertical torque-limiting hydraulic coupler comprises a driving joint, an elastic block, a driven joint, a shell gland, a shell, a main shaft, a turbine, a pump wheel, an oil measuring plug, a rear auxiliary cavity, an oil drain plug and a fusible plug; the driving joint is arranged on the motor shaft extension, the driven joint is connected with the elastic block, and the elastic block is connected with the driving joint; the upper side of the shell is connected with the driven joint through the shell gland, and the lower side of the shell is buckled and connected with the pump wheel; the turbine is arranged in the inner space of the shell, the turbine and the pump wheel are arranged in parallel and symmetrically, the turbine and the pump wheel are provided with a plurality of blades for stirring liquid flow, and a working cavity for working liquid to flow is formed between the pump wheel and the turbine; the turbine is sleeved on the periphery of the main shaft and is in linkage with the main shaft, the shell gland, the shell, the pump wheel and the rear auxiliary cavity are respectively sleeved on the periphery of the main shaft, and an output shaft of the main shaft is connected with the working machine; the rear auxiliary cavity is arranged below the pump wheel, the rear auxiliary cavity is communicated with the inner space of the shell, the fusible plug is arranged on the upper side of the shell, the oil drain plug is arranged on the lower side of the rear auxiliary cavity, and the oil measuring plug is arranged at the joint of the side wall of the shell and the lower part of the pump wheel; the pump impeller inner inlet is communicated with the rear auxiliary cavity, the pump impeller outer outlet is communicated with the turbine inlet, and the pump impeller inner inlet is communicated with the turbine inner outlet; the vertical torque-limiting hydraulic coupler is vertically installed, the driving joint is located at the upper side, and the rear auxiliary cavity is located at the lower side.
2. The vertical torque-limiting fluid coupling of claim 1, wherein: the vertical torque-limiting hydraulic coupler also comprises a thread ring, and the thread ring is sleeved on the periphery of the main shaft; the outer periphery of the main shaft is provided with an ear seat, the inner side of the turbine is clamped between the ear seat and the threaded ring, and the turbine and the main shaft are fixed together after the ear seat, the inner side of the turbine and the threaded ring are sequentially penetrated through bolts.
3. The vertical torque-limiting fluid coupling of claim 1, wherein: the elastic block is an H-shaped elastic block, the driving joint and the driven joint are respectively provided with a tooth claw, the H-shaped elastic block is arranged on the tooth claws of the driven joint, and the tooth claws of the driving joint are aligned with the gaps of the H-shaped elastic block.
4. The vertical torque-limiting fluid coupling of claim 1, wherein: and an installation gap is reserved between the end surfaces of the driving joint and the driven joint which are installed oppositely.
5. The vertical torque-limiting fluid coupling of claim 1, wherein: a first oil seal is arranged at the sleeving part of the shell gland and the main shaft; a second oil seal is arranged at the sleeving part of the shell and the main shaft; and a third oil seal is arranged at the sleeving part of the rear auxiliary cavity and the main shaft.
6. The vertical torque-limiting fluid coupling according to claim 5, wherein: the outer periphery of the main shaft is sleeved with a first bearing and a second bearing, the shell is sleeved on the outer periphery of the main shaft through the first bearing, and the first bearing is positioned between the first oil seal and the second oil seal; the pump impeller is sleeved on the periphery of the main shaft through the second bearing.
7. The vertical torque-limiting fluid coupling of claim 1, wherein: the melting temperature of the fusible alloy in the fusible plug is 140 ℃.
8. The vertical torque-limiting fluid coupling of claim 1, wherein: the oil measuring plug is sleeved with a first O-shaped sealing ring, and the fusible plug is sleeved with a second O-shaped sealing ring.
9. The vertical torque-limiting fluid coupling of claim 1, wherein: the working fluid adopts mineral oil, and the viscosity mu=32 mm of the mineral oil 2 S, severe γ=860 kg/m 3 The flash point is more than 180 ℃ and the condensation point is less than-10 ℃.
10. The vertical torque-limiting fluid coupling according to claim 9, wherein: the mineral oil is hydraulic transmission oil, turbine oil or refrigerating machine oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320481754.8U CN220101968U (en) | 2023-03-13 | 2023-03-13 | Vertical torque-limiting type hydraulic coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320481754.8U CN220101968U (en) | 2023-03-13 | 2023-03-13 | Vertical torque-limiting type hydraulic coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101968U true CN220101968U (en) | 2023-11-28 |
Family
ID=88844136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320481754.8U Active CN220101968U (en) | 2023-03-13 | 2023-03-13 | Vertical torque-limiting type hydraulic coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101968U (en) |
-
2023
- 2023-03-13 CN CN202320481754.8U patent/CN220101968U/en active Active
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