CN214359961U - Single-girder gantry crane - Google Patents
Single-girder gantry crane Download PDFInfo
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- CN214359961U CN214359961U CN202120444967.4U CN202120444967U CN214359961U CN 214359961 U CN214359961 U CN 214359961U CN 202120444967 U CN202120444967 U CN 202120444967U CN 214359961 U CN214359961 U CN 214359961U
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Abstract
The utility model relates to a single-girder gantry crane, which comprises a support frame and a girder, wherein the girder is provided with a running slideway and a slidable running trolley, the running trolley is provided with an electric hoist, a reel of the electric hoist is provided with a rope guider, the rope guider is provided with a steel wire rope lubricating device, the steel wire rope lubricating device comprises an oil cylinder and an oil cover, the oil cylinder is internally provided with an annular oil groove, the inner wall of the oil cylinder is provided with an annular mounting groove, and the mounting groove is communicated with the oil groove through a plurality of through holes; the mounting groove is internally clamped with a nylon oil guide ring. According to the oil cylinder, the annular mounting groove is formed in the inner wall of the oil cylinder, the nylon oil guide ring is clamped in the mounting groove, the lubricating oil hole in the inner side of the nylon oil guide ring can reliably lubricate the steel wire rope, and the oil cylinder is simple in structure and reliable in lubrication; the nylon oil guide ring is convenient to disassemble, assemble and replace, the nylon oil guide rings with different inner diameters can be replaced according to different diameters of the steel wire rope, the application range is wide, and the universality is good.
Description
Technical Field
The utility model relates to a hoisting equipment, especially a single girder gantry crane.
Background
The portal crane is a deformation of a bridge crane, the metal structure of the portal crane is like a portal frame, two support legs are installed under a bearing main beam, the portal crane can directly run on a track on the ground, and two ends of the main beam can be provided with overhanging cantilever beams. The portal crane has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is a preferred choice for outdoor work. "a single girder gantry crane" as public notice number is CN206886542U, including support frame and girder, the bottom fixed mounting of support frame has last supporting seat, goes up the supporting seat and passes through fastening bolt fixedly connected with lower carriage, and the bottom fixed mounting of girder has the orbit, is equipped with the operation pulley on the orbit, and electric block is installed to the one end of operation pulley, and the coil of wire rope in the reel through electric block is put and is realized the lift operation.
When the steel wire rope works, the steel wire rope is always in a stressed state, and friction occurs between the steel wire rope and the steel wire rope on a winding drum and a rope pulley, for example, as disclosed in Chinese patent document with publication number CN204848078U, a lubricating cylinder which is arranged on a rope guide through a bracket is arranged on the winding drum, the steel wire rope is arranged in the lubricating cylinder, and the lubricating cylinder is connected with an oil outlet of an oil tank through a hose, so that the steel wire rope is lubricated; the lubricating device disclosed in this document is complicated in structure, poor in reliability, and is in urgent need of improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single girder gantry crane can lubricate the operation to wire rope reliably.
In order to solve the problems, the utility model provides a single-girder gantry crane, including support frame and girder, be provided with the operation slide on the girder, install slidable operation dolly on the operation slide, install electric block on the operation dolly, be equipped with the rope guider on the reel of electric block, install wire rope lubricating arrangement on the rope guider, wire rope lubricating arrangement includes hydro-cylinder and oil cover, the center of hydro-cylinder, oil cover all is equipped with the rope hole that supplies wire rope to pass, the outline of hydro-cylinder is cylindric, be equipped with annular oil groove in the hydro-cylinder, be equipped with the inlet port that communicates with the oil groove on the outer wall of hydro-cylinder, annular mounting groove on the inner wall of hydro-cylinder, the mounting groove is through a plurality of through-holes with the oil groove communicates; the nylon oil guide ring is clamped in the mounting groove and comprises a clamping ring and an oil distribution ring, an annular oil distribution groove is formed in the outer wall of the clamping ring, and a plurality of lubricating holes communicated with the oil distribution groove are formed in the inner side of the oil distribution ring.
The utility model provides a single girder gantry crane still has following technical characteristic:
further, the section of the oil distribution ring is semicircular.
Furthermore, an annular lubricating oil groove is further formed in the inner side of the oil distribution ring, and the plurality of lubricating oil holes are communicated with the lubricating oil groove.
Furthermore, more than two mounting grooves are formed in the inner wall of the oil cylinder.
Furthermore, a sealing ring is further arranged at the joint of the oil cover and the oil cylinder.
Furthermore, a first groove is formed in the end face of the inner wall of the oil cylinder, a second groove is formed in the end face of the outer wall of the oil cylinder, and the sealing rings are arranged in the first groove and the second groove.
Furthermore, the oil cover is also provided with a sealing groove corresponding to the first groove and the second groove.
Furthermore, an electromagnetic valve for controlling the opening and closing of the oil inlet hole is further installed on the oil inlet hole.
The utility model discloses following beneficial effect has: the annular mounting groove is formed in the inner wall of the oil cylinder, the nylon oil guide ring is clamped in the mounting groove, and the lubricating oil hole in the inner side of the nylon oil guide ring can reliably lubricate the steel wire rope, so that the structure is simple, and the lubrication is reliable; the nylon oil guide ring is convenient to disassemble, assemble and replace, the nylon oil guide rings with different inner diameters can be replaced according to different diameters of the steel wire rope, the application range is wide, and the universality is good.
Drawings
Fig. 1 is a schematic structural view of a steel wire rope lubricating device in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the wire rope lubricating apparatus of FIG. 1;
fig. 3 is a schematic structural diagram of an oil cylinder in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an oil cover in an embodiment of the present invention;
fig. 5 is a schematic structural view of a nylon oil guiding ring in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiment of the single-girder gantry crane of the present invention shown in fig. 1 to 5, the single-girder gantry crane of the present application includes a support frame and a girder, a running slideway is provided on the girder, a slidable running trolley is installed on the running slideway, an electric block is installed on the running trolley, a rope guider is installed on a winding drum of the electric block, a wire rope lubricating device is installed on the rope guider, the wire rope lubricating device includes an oil cylinder 10 and an oil cover 20, rope holes for a wire rope to pass through are respectively provided at the centers of the oil cylinder 10 and the oil cover 20, the outer contour of the oil cylinder 10 is cylindrical, an annular oil groove 101 is provided in the oil cylinder, an oil inlet 102 communicated with the oil groove 101 is provided on an outer wall 11 of the oil cylinder 10, an annular mounting groove 13 is provided on an inner wall 12 of the oil cylinder 10, and the mounting groove 13 is communicated with the oil groove 101 through a plurality of through holes 14; the nylon oil guide ring 30 is clamped in the mounting groove 13, the nylon oil guide ring 30 comprises a clamping ring 31 and an oil distribution ring 32, an annular oil distribution groove 311 is formed in the outer wall of the clamping ring 31, and a plurality of oil moistening holes 321 communicated with the oil distribution groove 311 are formed in the inner side of the oil distribution ring 32. According to the oil cylinder, the annular mounting groove is formed in the inner wall of the oil cylinder, the nylon oil guide ring is clamped in the mounting groove, the lubricating oil hole in the inner side of the nylon oil guide ring can reliably lubricate the steel wire rope, and the oil cylinder is simple in structure and reliable in lubrication; the nylon oil guide ring is convenient to disassemble, assemble and replace, the nylon oil guide rings with different inner diameters can be replaced according to different diameters of the steel wire rope, the application range is wide, and the universality is good.
In one embodiment of the present application, the oil distribution ring 32 preferably has a semicircular cross section, so that the contact area of the oil distribution ring with the wire rope can be reduced while ensuring the reliable contact of the lubricating hole 321 with the wire rope, specifically, as shown in the figure, the lubricating hole is located in the middle of the semicircular cross section of the oil distribution ring 32. Preferably, an annular lubricating oil groove 322 is further formed inside the oil distribution ring 32, and the plurality of lubricating oil holes 321 are communicated with the lubricating oil groove 322, so that the oil distribution ring can reliably lubricate the steel wire rope.
In an embodiment of the present application, preferably, the inner wall of the oil cylinder 10 is provided with more than two mounting grooves 13, as shown in the figure, the inner wall of the oil cylinder 10 is provided with 3 mounting grooves 13 arranged in sequence from top to bottom, each mounting groove 13 is internally clamped with a nylon oil guiding ring 30, the steel wire is lubricated reliably through the nylon oil guiding ring, and the steel wire rope can be prevented from contacting the oil cylinder.
In one embodiment of the present application, preferably, a sealing ring 21 is further provided at a connection position of the oil cover 20 and the oil cylinder 10; preferably, a first groove 121 is formed in the end surface of the inner wall 12 of the oil cylinder 10, a second groove 112 is formed in the end surface of the outer wall 11 of the oil cylinder 10, and the first groove 121 and the second groove 112 are both provided with a sealing ring 21, so that sealing is reliable; preferably, the oil cover 20 is further provided with seal grooves corresponding to the first and second grooves 121 and 112.
In an embodiment of the present application, preferably, an electromagnetic valve for controlling opening and closing of the oil inlet 102 is further installed on the oil inlet 102, so that whether the steel wire rope is lubricated can be controlled by opening and closing the oil inlet 102, and specifically, after the single-girder gantry crane runs for a preset time, the oil inlet 102 is opened by program control or manual control to lubricate the steel wire rope.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A single-girder portal crane comprises a support frame and a girder, wherein a running slideway is arranged on the girder, a slidable running trolley is mounted on the running slideway, an electric hoist is mounted on the running trolley, a rope guider is arranged on a winding drum of the electric hoist, and a steel wire rope lubricating device is mounted on the rope guider; the nylon oil guide ring is clamped in the mounting groove and comprises a clamping ring and an oil distribution ring, an annular oil distribution groove is formed in the outer wall of the clamping ring, and a plurality of oil moistening holes communicated with the oil distribution groove are formed in the inner side of the oil distribution ring.
2. The single girder gantry crane according to claim 1, wherein: the section of the oil distribution ring is semicircular.
3. The single girder gantry crane according to claim 2, wherein: the inner side of the oil distribution ring is also provided with an annular oil lubrication groove, and the plurality of oil lubrication holes are communicated with the oil lubrication groove.
4. The single girder gantry crane according to claim 1, wherein: and more than two mounting grooves are formed in the inner wall of the oil cylinder.
5. The single girder gantry crane according to claim 1, wherein: and a sealing ring is also arranged at the joint of the oil cover and the oil cylinder.
6. The single girder gantry crane according to claim 5, wherein: the oil cylinder is characterized in that a first groove is formed in the end face of the inner wall of the oil cylinder, a second groove is formed in the end face of the outer wall of the oil cylinder, and the sealing rings are arranged in the first groove and the second groove.
7. The single girder gantry crane according to claim 6, wherein: and the oil cover is also provided with a sealing groove corresponding to the first groove and the second groove.
8. The single girder gantry crane according to claim 1, wherein: and the oil inlet hole is also provided with an electromagnetic valve for controlling the opening and closing of the oil inlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444967.4U CN214359961U (en) | 2021-03-02 | 2021-03-02 | Single-girder gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444967.4U CN214359961U (en) | 2021-03-02 | 2021-03-02 | Single-girder gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214359961U true CN214359961U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120444967.4U Active CN214359961U (en) | 2021-03-02 | 2021-03-02 | Single-girder gantry crane |
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| Country | Link |
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| CN (1) | CN214359961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340036A (en) * | 2022-07-29 | 2022-11-15 | 阳春新钢铁有限责任公司 | Automatic lubricating device for steel wire rope of feeding winch |
| CN115340036B (en) * | 2022-07-29 | 2024-05-24 | 阳春新钢铁有限责任公司 | Automatic lubrication device for steel wire rope of feeding winch |
-
2021
- 2021-03-02 CN CN202120444967.4U patent/CN214359961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340036A (en) * | 2022-07-29 | 2022-11-15 | 阳春新钢铁有限责任公司 | Automatic lubricating device for steel wire rope of feeding winch |
| CN115340036B (en) * | 2022-07-29 | 2024-05-24 | 阳春新钢铁有限责任公司 | Automatic lubrication device for steel wire rope of feeding winch |
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