CN219346176U - Automatic oiling device for loop chain electric hoist chain - Google Patents
Automatic oiling device for loop chain electric hoist chain Download PDFInfo
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- CN219346176U CN219346176U CN202222439937.1U CN202222439937U CN219346176U CN 219346176 U CN219346176 U CN 219346176U CN 202222439937 U CN202222439937 U CN 202222439937U CN 219346176 U CN219346176 U CN 219346176U
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- felt wheel
- hollow shaft
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Abstract
The utility model discloses an automatic oiling device for a chain of an electric chain hoist, which comprises a chain box transverse plate, a fixed support, an oil cup support, a chain outlet circular tube, a felt wheel assembly, an oil cup and an oil tube, wherein the chain box transverse plate is arranged at the top of a chain box of the electric chain hoist, the fixed support is arranged on the chain box transverse plate and can rotate around a vertical axis, the oil cup support is arranged on the chain box transverse plate and is positioned beside the fixed support, the chain outlet circular tube is obliquely arranged on the fixed support, the upper end of the chain outlet circular tube is connected with a chain hose of the electric chain hoist, the lower end of the chain outlet circular tube faces the felt wheel assembly, the felt wheel assembly is arranged on the fixed support, the oil cup is arranged on the oil cup support, one end of the oil tube is connected with the oil cup, and the other end of the oil tube is connected with the felt wheel assembly. The utility model can continuously and automatically lubricate the chain in the use process of the endless chain electric hoist, reduce the friction force in the chain engagement process, improve the anti-corrosion performance of the chain and effectively avoid chain clamping.
Description
Technical Field
The utility model relates to the technical field of loop chain electric hoist lifting cranes, in particular to an automatic oiling device for a loop chain electric hoist chain.
Background
The lifting crane for chain electric hoist is a light and small lifting equipment, its working principle is that the motor is used to drive chain wheel to rotate, the chain wheel is meshed with chain, so that the lifting work of object can be completed. In order to reduce friction loss and improve the safety coefficient, the chain needs to be oiled in the use process, so that on one hand, the friction force in the meshing process is reduced, and on the other hand, the anti-corrosion performance of the chain is improved. When the loop chain electric hoist is applied to the wind power field, the loop chain electric hoist has higher requirements on maintenance-free and corrosion-proof performance, but the prior art has no good solution, and a mode of manually oiling regularly or storing oil in a chain box in advance is generally adopted, wherein the mode of manually oiling regularly increases the workload of operation and maintenance personnel of a wind power plant and is uncontrollable, and the mode of storing oil in the chain box in advance can lead to uneven chain lubrication and waste of lubricating oil.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an automatic oiling device for a chain of a loop chain electric hoist, which can continuously and automatically oil and lubricate the chain in the use process of the loop chain electric hoist, reduce the friction force in the chain engagement process, improve the anti-corrosion performance of the chain and effectively avoid chain clamping.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides an automatic oiling device for chain of chain electric block chain, includes chain case diaphragm, fixed bolster, oil cup support, outlet pipe, felt wheel subassembly, oil cup and oil pipe, the top of chain case of chain electric block is located to chain case diaphragm, the fixed bolster is located on the chain case diaphragm, can rotate around vertical axis, the oil cup support is located on the chain case diaphragm to be located by the fixed bolster, outlet pipe slope is installed on the fixed bolster, and its inclination can be adjusted, its upper end and chain hose connection of chain electric block, its lower extreme orientation felt wheel subassembly, felt wheel subassembly is located on the fixed bolster, the oil cup is located on the oil cup support, the one end of oil pipe is connected with the oil cup, and its other end links to each other with felt wheel subassembly.
Further, the fixed support comprises two side plates which are arranged in bilateral symmetry and a bottom plate which is connected to the bottoms of the two side plates.
Further, felt wheel subassembly includes hollow shaft, axle sleeve and felt wheel, the hollow shaft is fixed in between the two curb plates of fixed bolster, the felt wheel cup joints in the outside of axle sleeve, and both form as an organic wholely and install in the outside of hollow shaft, and the chain in the chain hose is worn out after the export pipe and is retrieved in the chain case of bypassing felt wheel below, can drive felt wheel and axle sleeve around the hollow shaft rotation through the chain, the center department of hollow shaft is equipped with the axial oilhole that is used for intercommunication oil pipe along the axial, and its outer peripheral face is equipped with the oil groove along circumference, communicate through a plurality of first radial oilholes that locate in the hollow shaft between oil groove and the axial oilhole, be equipped with a plurality of second radial oilholes that run through its inner and outer peripheral face in the axle sleeve, second radial oilhole and oil groove intercommunication.
Further, sealing rings used for preventing oil from overflowing are arranged between the hollow shaft and the shaft sleeve and positioned on two sides of the oil groove.
Further, a ring of grooves for winding a chain is formed on the outer circumferential surface of the felt wheel in the circumferential direction.
Further, the two side plates of the fixed support are provided with arc-shaped long grooves for adjusting the inclination angle of the round pipe at the chain outlet, and the inclination angle of the round pipe at the chain outlet is adjusted by adjusting the fixed position of the round pipe at the chain outlet on the arc-shaped long grooves.
Further, the inner hole of the circular tube of the chain outlet is always tangent with the outer circle of the felt wheel assembly.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the automatic oiling device can be suitable for various use occasions of the loop chain electric hoist by adjusting the horizontal rotation angle of the fixed bracket and the pitching angle of the round pipe of the chain outlet, and particularly has wide applicability under the condition that the chain of the wind power industry is hundreds of meters or more; lubricating oil seeps from the inside of the felt wheel assembly, the oil flow is small, the maintenance interval period is long, and the cost is low; the felt wheel and the chain both roll and slide, so that the lubricating effect is good; the felt wheel is driven by the gravity of a chain, the main body structure of the crane is not required to be changed, a control system and a power system are not required, the structure is simple and reliable, and the failure rate is low.
Drawings
Fig. 1 is a schematic structural view of an automatic oiling device of the present utility model.
Fig. 2 is an installation schematic view of the automatic oiling device of the present utility model.
Fig. 3 is a schematic view of the internal structure of the felt wheel assembly of the present utility model.
Fig. 4 is a schematic structural view of an arc-shaped long groove on a fixing bracket of the present utility model.
Fig. 5 is a schematic diagram showing the inner hole of the round pipe of the chain outlet of the utility model tangential to the working excircle of the felt wheel under different inclination angles.
Detailed Description
The utility model will be further illustrated with reference to specific examples, but the manner of use of the utility model is not limited thereto.
As shown in fig. 1 and 2, the automatic oiling device for a chain of a chain electric hoist according to this embodiment comprises a chain case transverse plate 1, a fixed support 2, an oil cup support 3, a chain outlet circular tube 4, a felt wheel assembly 5, an oil cup 6 and an oil pipe 7, wherein the chain case transverse plate 1 is arranged at the top of a chain case 11 of the chain electric hoist 8, the fixed support 2 is arranged on the chain case transverse plate 1 and can rotate around a vertical axis, the oil cup support 3 is arranged on the chain case transverse plate 1 and is positioned beside the fixed support 2, the chain outlet circular tube 4 is obliquely arranged between two side plates of the fixed support 2, the inclination angle of the oil cup support is adjustable, the upper end of the oil cup support is connected with a chain hose 9 of the chain electric hoist 8, the lower end of the oil cup support is oriented to the felt wheel assembly 5, the felt wheel assembly 5 is arranged on the fixed support 2, one end of the oil pipe 7 is connected with the oil cup 6 through a quick plug, and the other end of the oil cup 7 is connected with the felt wheel assembly 5 through a quick plug.
The fixing bracket 2 includes two side plates 201 arranged in bilateral symmetry and a bottom plate (not shown) connected to the bottoms of the two side plates 201.
As shown in fig. 3, the felt wheel assembly 5 includes a hollow shaft 501, a shaft sleeve 502 and a felt wheel 503, the hollow shaft 501 is fixed between two side plates 201 of the fixed support 2, the felt material of the felt wheel 503 is tightly organized, the hole is small, the felt wheel 503 has elasticity, the wear resistance is good, the felt wheel 503 is sleeved on the outer side of the shaft sleeve 502, the felt wheel 503 and the shaft sleeve are integrally formed and installed on the outer side of the hollow shaft 501, a circle of grooves 5031 for winding a chain are formed on the outer circumferential surface of the felt wheel 503 along the circumferential direction, the chain 10 passes through the chain outlet circular tube 4 and bypasses the grooves 5031 of the felt wheel 503 to be recovered into the chain box 11, in the recovery or rising process of the chain 10, the felt wheel 503 can be always clung to the outer circle of the felt wheel 503, tangential friction force is generated on the outer circle of the felt wheel 503, the felt wheel 503 and the shaft sleeve 502 are driven to rotate around the hollow shaft 501 through the chain 10, an axial oil hole 5011 for communicating the oil pipe 7 is axially arranged at the center of the hollow shaft, an oil groove 5012 is circumferentially arranged on the outer circumferential surface of the felt wheel 503, a plurality of first oil holes 5013 are arranged between the oil grooves and the axial oil holes are communicated with each other through the first oil holes 5011, the second oil holes 5011 and the second oil holes 5021 are continuously and radially and continuously communicated with the felt wheel 5021.
In order to prevent oil from escaping between the hollow shaft 501 and the sleeve 502, two O-rings 504 are provided between the hollow shaft 501 and the sleeve 502 on either side of the oil sump.
As shown in fig. 4, arc-shaped long grooves 203 for adjusting the inclination angle of the round pipe 4 of the outlet are symmetrically formed on both side plates 201 of the fixing bracket 2, and the inclination angle is adjusted by adjusting the fixing position of the round pipe 4 of the outlet on the arc-shaped long grooves 203.
The arc-shaped long groove 203 is lofted according to the position, so that the inner hole of the round pipe 4 at the chain outlet is always tangent with the working excircle of the felt wheel 503 under different inclination angles, and as shown in fig. 5, the chain 10 is ensured not to be blocked and accumulated in the chain collecting process.
The automatic oiling device disclosed by the utility model is flexible and novel, has reliable performance, thoroughly solves the problem of lubrication and corrosion resistance of the chain of the loop chain electric hoist, greatly improves the reliability of the crane, does not need to change the main body structure of the crane, does not need to control a system and a power system, uniformly oils in the use process of the chain by means of the dead weight of the chain, has long maintenance period, does not cause chain clamping and has low failure rate.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so variations in shape and principles of the present utility model should be covered.
Claims (7)
1. An automatic oiling device for a loop chain electric hoist chain, which is characterized in that: including chain case diaphragm, fixed bolster, oil cup support, play chain mouth pipe, felt wheel subassembly, oil cup and oil pipe, the top of chain case of endless chain electric block is located to the chain case diaphragm, the fixed bolster is located on the chain case diaphragm, can rotate around vertical axis, the oil cup support is located on the chain case diaphragm to be located the fixed bolster by, go out chain mouth pipe slope and install on the fixed bolster, and its inclination can adjust, its upper end and the chain hose connection of endless chain electric block, its lower extreme orientation felt wheel subassembly, the felt wheel subassembly is located on the fixed bolster, the oil cup is located on the oil cup support, oil pipe's one end is connected with the oil cup, and its other end links to each other with the felt wheel subassembly.
2. The automatic oiling device for a endless chain electric block chain according to claim 1, wherein: the fixed support comprises two side plates which are arranged in bilateral symmetry and a bottom plate which is connected to the bottoms of the two side plates.
3. The automatic oiling device for a endless chain electric block chain according to claim 1, wherein: the felt wheel assembly comprises a hollow shaft, a shaft sleeve and a felt wheel, wherein the hollow shaft is fixed between two side plates of a fixed support, the felt wheel is sleeved on the outer side of the shaft sleeve, the felt wheel and the shaft sleeve are integrated and mounted on the outer side of the hollow shaft, a chain in a chain hose penetrates out through a circular tube at a chain outlet and is recovered in a chain box below the felt wheel, the felt wheel and the shaft sleeve can be driven to rotate around the hollow shaft through the chain, an axial oil hole for communicating an oil pipe is axially formed in the center of the hollow shaft, an oil groove is formed in the peripheral surface of the hollow shaft along the circumferential direction, the oil groove is communicated with the axial oil hole through a plurality of first radial oil holes formed in the hollow shaft, a plurality of second radial oil holes penetrating through the inner peripheral surface and the outer peripheral surface of the hollow shaft are formed in the shaft sleeve, and the second radial oil holes are communicated with the oil groove.
4. The automatic oiling device for a endless chain electric block chain according to claim 3, wherein: and sealing rings used for preventing oil from overflowing are arranged between the hollow shaft and the shaft sleeve and at two sides of the oil groove.
5. The automatic oiling device for a endless chain electric block chain according to claim 3, wherein: a circle of grooves for winding the chain are formed on the outer peripheral surface of the felt wheel along the circumferential direction.
6. The automatic oiling device for a endless chain electric block chain according to claim 1, wherein: the two side plates of the fixed support are provided with arc-shaped long grooves for adjusting the inclination angle of the round pipe at the chain outlet, and the inclination angle of the round pipe at the chain outlet is adjusted by adjusting the fixed position of the round pipe at the chain outlet on the arc-shaped long grooves.
7. The automatic oiling device for a endless chain electric block chain according to claim 1, wherein: and the inner hole of the chain outlet circular tube is always tangent with the outer circle of the felt wheel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222439937.1U CN219346176U (en) | 2022-09-15 | 2022-09-15 | Automatic oiling device for loop chain electric hoist chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222439937.1U CN219346176U (en) | 2022-09-15 | 2022-09-15 | Automatic oiling device for loop chain electric hoist chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219346176U true CN219346176U (en) | 2023-07-14 |
Family
ID=87097201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222439937.1U Active CN219346176U (en) | 2022-09-15 | 2022-09-15 | Automatic oiling device for loop chain electric hoist chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219346176U (en) |
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2022
- 2022-09-15 CN CN202222439937.1U patent/CN219346176U/en active Active
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