CN216478789U - General type pulley gear - Google Patents
General type pulley gear Download PDFInfo
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- CN216478789U CN216478789U CN202123096293.2U CN202123096293U CN216478789U CN 216478789 U CN216478789 U CN 216478789U CN 202123096293 U CN202123096293 U CN 202123096293U CN 216478789 U CN216478789 U CN 216478789U
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- pulley body
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- pulley
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Abstract
The utility model discloses a universal pulley device, which comprises a pulley body, a pulley body mounting seat and an anti-off-line device; the pulley body is a cylinder, and two ends of the pulley body are arranged on the pulley body mounting seat through wheel shafts; the thread-off preventing device comprises a baffle ring, a baffle ring support frame and an elastic limiting assembly, wherein the baffle ring support frame is connected to the outer side of the baffle ring, and the baffle ring support frame realizes radial and axial limiting through the elastic limiting assembly; the thread-off preventing device has two groups which are symmetrically arranged, and the retaining rings of the thread-off preventing device are respectively sleeved at the two ends of the pulley body. The pulley body adopts the cylinder, disposes elasticity anticreep device at the both ends of cylinder, and the fender ring through anticreep device forms the assembly that has conventional pulley function with the pulley body, and the pulley body can be changed according to the actual need of lifting rope length to make the pulley body and anticreep line device's assembly be applicable to different lifting height safety winding lifting ropes.
Description
Technical Field
The utility model belongs to pulley hoisting device field specifically is a general type pulley gear.
Background
The pulley is a simple machine which can lift heavy objects and save labor, and the pulley is a small wheel which is provided with a groove at the periphery and can rotate around a shaft. A simple machine consisting of a disc rotatable about a central axis with grooves and a flexible cord, tape, cable, chain, etc. running over the disc, which can rotate about the central axis, is called a pulley.
The pulley is usually used when promoting the heavy object, and present pulley is specific specification, and its grooving length is certain, so the length of winding the lifting rope in the grooving is limited, can't be applicable to the not safe of co-altitude and promote. I.e. different lifting heights require replacement of the entire pulley arrangement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be applicable to different general type pulley gear who promotes height.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a pulley body, a pulley body mounting seat and a thread-off preventing device; the pulley body is a cylinder, and two ends of the pulley body are arranged on the pulley body mounting seat through wheel shafts; the thread-off preventing device comprises a baffle ring, a baffle ring support frame and an elastic limiting assembly, wherein the baffle ring support frame is connected to the outer side of the baffle ring, and the baffle ring support frame realizes radial and axial limiting through the elastic limiting assembly; the thread-off preventing device has two groups which are symmetrically arranged, and the retaining rings of the thread-off preventing device are respectively sleeved at the two ends of the pulley body.
As an advantageous implementation manner of the above technical solution, the pulley body mounting seat is a pi-shaped seat, and the pulley body is rotatably mounted between two side arms of the pi-shaped seat.
As above-mentioned technical scheme's advantage implementation, keep off the ring support frame and include support column and T board, two support column symmetric connection in keep off on the diameter face of ring, the end plate of T board is connected between two support columns.
As an advantageous embodiment of the above technical solution, after the retaining ring is sleeved outside the pulley body, the support plate of the T-shaped plate faces the outside of the side arm of the pulley body mounting seat.
As an advantageous embodiment of the above technical solution, the elastic limiting component comprises a radial limiting component and an axial limiting component; the radial limiting assembly comprises radial rods, a connecting plate, radial tension springs and a limiting sleeve, wherein the two radial rods are arranged in parallel, one ends of the two radial rods are fixed on the connecting plate, the radial tension springs are sleeved on the two radial rods respectively, the limiting sleeve is a rectangular sleeve, the size of an inner cavity of the limiting sleeve is larger than the width and the thickness of the T-shaped plate support plate, a 7-shaped groove is formed in the outer side of the limiting sleeve, an inner side arm of the limiting sleeve is attached to the two radial rods, the end surface of the inner end of the limiting sleeve is fixedly connected with the two radial tension springs, and the outer ends of the radial tension springs are fixed on the radial rods; the inner side of the yoke plate is fixed at the bottom of the outer side of the side arm of the pulley body mounting seat, and the radial rod is parallel to the side arm of the pulley body mounting seat; the axial limiting assembly comprises an axial rod and an axial tension spring, the axial rod is a T-shaped rod, and the axial tension spring is sleeved on the axial rod; the inner end of the axial rod passes through the support plate of the T-shaped plate and then is fixed on the outer side of the side arm of the pulley body mounting seat, the inner end of the axial tension spring is fixedly connected with the support plate of the T-shaped plate, and the outer end of the axial tension spring is fixed with the end plate of the axial rod.
Compared with the prior art, the utility model has the advantages of it is following: the pulley body adopts a cylinder, two ends of the cylinder are provided with elastic anti-thread-off devices, and a combination body with the function of a conventional pulley is formed by a baffle ring of the anti-thread-off device and the pulley body. And the pulley body of this assembly can be changed according to the actual need of lifting rope length to make the pulley body and anticreep line device's assembly can be applicable to different lifting height safety winding lifting ropes.
Drawings
Fig. 1 is an axial side structure schematic diagram of the utility model discloses an embodiment is used on fitting column mount pad is fixed in the steel construction.
Fig. 2 is a schematic axial side structure view of another orientation of the present embodiment.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is an enlarged view of the portion B in fig. 2.
Fig. 5 is an exploded view of the wire retaining device in this embodiment.
Detailed Description
As can be seen from fig. 1 to 5 after the description, the general pulley device disclosed in this embodiment includes a pulley body 1, a pulley body mounting seat 2, and a thread-off preventing device 3.
The pulley body 1 is a cylinder with wheel shafts at two ends.
The pulley body mounting seat 2 is a pi-shaped seat, and the pulley body 1 is rotatably mounted between two side arms of the pi-shaped seat through a wheel axle.
The thread-off preventing device 3 comprises a baffle ring, a baffle ring supporting frame and an elastic limiting assembly.
The baffle ring 31 is a circular ring body with the inner diameter slightly larger than the outer diameter of the pulley body.
The baffle ring support frame comprises support columns 32 and T-shaped plates 33, the two support columns 32 are symmetrically connected to the diameter surface of the baffle ring 31, and the end plates of the T-shaped plates 33 are connected between the two support columns 32.
When the retaining ring support frame is assembled with the pulley body, the retaining ring 31 is sleeved outside the pulley body 1, and the support plate of the T-shaped plate 33 is just opposite to the side arm of the pulley body mounting seat 2.
The elastic limiting component of the retainer ring supporting frame comprises a radial rod 34, a connecting plate 35, a radial tension spring 36, a limiting sleeve 37, an axial rod 38, an axial tension spring 39 and a plug block 310.
Two radial rods 34 are arranged in parallel, one end of each of the two radial rods 34 is fixed on a connecting plate 35, and radial tension springs 36 are sleeved on the two radial rods 34 respectively.
The limiting sleeve 37 is a rectangular sleeve, the size of the inner cavity of the limiting sleeve is larger than the width and thickness of the support plate of the T-shaped plate 33, and a 7-shaped groove is formed in the outer side of the limiting sleeve.
The inner side arm of the stop collar 37 is attached to the two radial rods 34, the end surface of the inner end is fixedly connected with the two radial tension springs 36, and the outer ends of the radial tension springs are fixed on the radial rods 34.
When the stop collar 37 is pulled outwards, the radial tension spring 36 is stretched to store energy, and when the stop collar 37 is loosened, the stop collar 37 can be reset to an initial state under the action of the radial tension spring.
When the radial rod 34, the yoke plate 35, the radial tension spring 36 and the stop collar 37 are assembled with the pulley body mounting seat 2, the inner side of the yoke plate 35 is fixed at the bottom of the outer side of the side arm of the pulley body mounting seat 2, and the radial rod 34 is parallel to the side arm.
The axial rod 38 is a T-shaped rod, an axial tension spring 39 is sleeved on the rod body, the inner end of the rod body passes through the support plate of the T-shaped plate 33 and then is fixed outside the side arm of the pulley body mounting seat 2, the inner end of the axial tension spring 39 is fixedly connected (preferably in threaded connection) with the support plate of the T-shaped plate 33, and the outer end of the axial tension spring is fixed with the end plate of the axial rod 38.
Rectangular grooves are formed in the support plates of the T-shaped plates 33 along the width direction of the support plates corresponding to the axial rod mounting holes, and the insertion blocks 310 are arranged in the rectangular grooves.
So far, the stop ring and the stop ring support frame are assembled with the pulley body and the pulley body mounting seat, and the integral part of the radial rod 34, the yoke plate 35, the radial tension spring 36 and the stop sleeve 37 is assembled with the pulley body mounting seat 2.
And then, connecting and limiting the support plate of the T-shaped plate of the retaining ring support frame with the limiting sleeve to form an assembly integral part of the pulley body 1, the pulley body mounting seat 2 and the wire falling prevention device 3.
When the support plate of the T-shaped plate 33 is assembled with the limiting sleeve 37, the T-shaped plate 33 is pressed inwards to be aligned with the inner cavity of the limiting sleeve 37, then the limiting sleeve 37 is pulled outwards to be sleeved on the support plate, finally, the inserting block 310 penetrates through the 7-shaped groove in the limiting sleeve 37 and then is inserted into the rectangular groove in the support plate, and the inserting block 310 slides downwards into the vertical section of the 7-shaped groove to enable the limiting sleeve 37 to be positioned on the support plate.
Pulley body mount pad 2 of this embodiment is fixed in on mount pad 4, and mount pad 4 can be dismantled and be fixed in on the steel construction post.
When the lifting height is different, the lengths of the lifting ropes are different, only the pulley bodies with different lengths need to be replaced, and the lifting ropes can be safely wound on the pulley bodies. When the pulley body is replaced, the axial rod is loosened, and the retaining ring support frame is loosened. In order to further facilitate the replacement of the pulley body, the side wall of the pulley body mounting frame can be arranged into two parts which are fastened and fixed up and down at the position where the pulley wheel shaft is mounted.
Therefore, the pulley device can adapt to different lifting heights through the cylindrical pulley body and the wire falling prevention device, and has universality.
Claims (5)
1. A universal pulley apparatus, characterized in that: the device comprises a pulley body, a pulley body mounting seat and an anti-off-line device;
the pulley body is a cylinder, and two ends of the pulley body are arranged on the pulley body mounting seat through wheel shafts;
the thread-off preventing device comprises a baffle ring, a baffle ring support frame and an elastic limiting assembly, wherein the baffle ring support frame is connected to the outer side of the baffle ring, and the baffle ring support frame realizes radial and axial limiting through the elastic limiting assembly;
the thread-off preventing device has two groups which are symmetrically arranged, and the retaining rings of the thread-off preventing device are respectively sleeved at the two ends of the pulley body.
2. The universal pulley apparatus according to claim 1, wherein: the pulley body mounting seat is a pi-shaped seat, and the pulley body is rotatably mounted between two side arms of the pi-shaped seat.
3. The universal pulley apparatus according to claim 2, wherein: keep off the ring support frame and include support column and T shaped plate, two support column symmetric connection in keep off on the diameter face of ring, the end plate of T shaped plate is connected between two support columns.
4. The universal pulley apparatus according to claim 3, wherein: after the retaining ring is sleeved outside the pulley body, the support plate of the T-shaped plate is right opposite to the outside of the side arm of the pulley body mounting seat.
5. The universal pulley apparatus according to claim 4, wherein: the elastic limiting assembly comprises a radial limiting assembly and an axial limiting assembly;
the radial limiting assembly comprises radial rods, a connecting plate, radial tension springs and a limiting sleeve, wherein the two radial rods are arranged in parallel, one ends of the two radial rods are fixed on the connecting plate, the radial tension springs are sleeved on the two radial rods respectively, the limiting sleeve is a rectangular sleeve, the size of an inner cavity of the limiting sleeve is larger than the width and the thickness of the T-shaped plate support plate, a 7-shaped groove is formed in the outer side of the limiting sleeve, an inner side arm of the limiting sleeve is attached to the two radial rods, the end surface of the inner end of the limiting sleeve is fixedly connected with the two radial tension springs, and the outer ends of the radial tension springs are fixed on the radial rods;
the inner side of the yoke plate is fixed at the bottom of the outer side of the side arm of the pulley body mounting seat, and the radial rod is parallel to the side arm of the pulley body mounting seat; the axial limiting assembly comprises an axial rod and an axial tension spring, the axial rod is a T-shaped rod, and the axial tension spring is sleeved on the axial rod; the inner end of the axial rod passes through the support plate of the T-shaped plate and then is fixed on the outer side of the side arm of the pulley body mounting seat, the inner end of the axial tension spring is fixedly connected with the support plate of the T-shaped plate, and the outer end of the axial tension spring is fixed with the end plate of the axial rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096293.2U CN216478789U (en) | 2021-12-10 | 2021-12-10 | General type pulley gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096293.2U CN216478789U (en) | 2021-12-10 | 2021-12-10 | General type pulley gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478789U true CN216478789U (en) | 2022-05-10 |
Family
ID=81422067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096293.2U Active CN216478789U (en) | 2021-12-10 | 2021-12-10 | General type pulley gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478789U (en) |
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2021
- 2021-12-10 CN CN202123096293.2U patent/CN216478789U/en active Active
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