CN220976422U - Double round formula pulley structure - Google Patents
Double round formula pulley structure Download PDFInfo
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- CN220976422U CN220976422U CN202323189953.0U CN202323189953U CN220976422U CN 220976422 U CN220976422 U CN 220976422U CN 202323189953 U CN202323189953 U CN 202323189953U CN 220976422 U CN220976422 U CN 220976422U
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- bolt
- connecting plate
- hook
- connecting column
- circular holes
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- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of pulleys, in particular to a double-wheel pulley structure, which comprises: the main body comprises a connecting plate, and the upper surface of the connecting plate is fixedly connected with a connecting column; the mounting mechanism comprises a hook, the hook is fixedly mounted on the surface of the connecting column, connecting blocks are fixedly connected to the two ends of the hook, first bolts are connected to the connecting blocks in a threaded mode on the surface, springs are fixedly connected to the connecting blocks on the surface, and clamping rods are fixedly connected to the springs on the surface. According to the utility model, the hook is doubly limited on the connecting column through the connecting block, the first bolt, the spring and the clamping rod, when the first bolt is loosened on the connecting block, the clamping rod replaces the first bolt on the connecting column, so that the pulley body is prevented from being separated from the bearing structure after the first bolt is loosened, and the construction safety is ensured.
Description
Technical Field
The utility model relates to the technical field of pulleys, in particular to a double-wheel pulley structure.
Background
A two-wheeled pulley structure is a mechanical structure consisting of two pulleys, which is commonly used to change the direction of movement or transmit force. Each pulley has an axle and ring that can rotate freely. The pulleys may change the direction of the rope or strap as it passes over the pulley block and may provide more force to move the weight. Dual-wheel pulley structures are common in cranes, winches and other mechanical devices.
The existing double-pulley structure is fixed on a bridge, a crane arm, a crane or other proper bearing structures through a hook, but the hook is installed through a bolt, the bolt is easy to loose after long-time use, and the pulley can be separated from the bearing structures, so that construction danger is caused.
Disclosure of utility model
The utility model aims to provide a double-wheel type pulley structure, which aims to solve the problems that the prior double-wheel type pulley structure is fixed on a bridge, a crane arm, a crane or other proper bearing structures through a hook, but the hook is installed through a bolt, the bolt is easy to loose after long-time use, and the pulley is separated from the bearing structure to cause construction danger.
In order to achieve the above object, the present utility model provides a two-wheeled pulley structure, comprising:
The main body comprises a connecting plate, and the upper surface of the connecting plate is fixedly connected with a connecting column;
The mounting mechanism comprises a hook, the hook is fixedly mounted on the surface of the connecting column, connecting blocks are fixedly connected to the two ends of the hook, first bolts are connected to the connecting blocks in a threaded mode on the surface, springs are fixedly connected to the connecting blocks on the surface, and clamping rods are fixedly connected to the springs on the surface.
Preferably, an adjusting mechanism is arranged on the surface of the connecting plate, the adjusting mechanism comprises an adjusting frame, the adjusting frame is propped against and connected to the lower surface of the connecting plate, a pulley body is rotationally connected to the surface of the adjusting frame, and a second bolt is connected to the surface of the adjusting frame in a threaded manner.
Preferably, two groups of circular holes are formed in the surface of the connecting column, the circular holes of the connecting column are distributed up and down, and the connecting block is in an 8-shaped form.
Preferably, a group of threaded holes and a group of circular holes are formed in the surface of the connecting block, the first bolt is in threaded connection with the threaded holes of the connecting block, and the clamping rod slides on the circular holes of the connecting block.
Preferably, the first bolt penetrates through the circular hole at the top of the connecting column, and the clamping rod enters the circular hole at the bottom of the connecting column through the elastic force of the spring.
Preferably, a plurality of groups of circular holes are formed in two sides of the connecting plate, the circular holes of the connecting plate are linearly and uniformly distributed in two sides of the connecting plate, and the second bolt through holes are connected to the circular holes of the connecting plate.
Preferably, the whole adjusting frame is in a 匚 shape, and the adjusting frame is fixedly arranged on the lower surface of the connecting plate through a second bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. This double round formula pulley structure through connecting block, first bolt, spring and draw-in bar for the couple has obtained dual spacing on the spliced pole, and after first bolt took place not hard up at the connecting block, the draw-in bar replaced first bolt on the spliced pole, avoided first bolt not hard up after, the pulley body breaks away from bearing structure, has ensured the safety of construction.
2. This double round formula pulley structure, with the alignment of the screw hole of alignment frame at the lower surface of connecting plate, circular hole with the second bolt run through the connecting plate this moment, second bolt threaded connection is on the screw hole of alignment frame, the second bolt passes through the alignment frame and installs in the bottom of connecting plate, the accessible second bolt runs through different circular holes, adjust the position of two sets of pulley bodies, thereby improve the flexibility of pulley body, can dismantle in the connecting plate bottom on the alignment frame is led to the pulley body simultaneously, the user of being convenient for changes the pulley body.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the structure of the present utility model;
FIG. 3 is a schematic perspective exploded view of the structure of the present utility model;
FIG. 4 is a schematic partial elevational view of the structure of the present utility model;
Fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a connecting plate; 11. a connecting column; 2. a hook; 21. a connecting block; 22. a first bolt; 23. a spring; 24. a clamping rod; 3. an adjusting frame; 31. a pulley body; 32. and a second bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided:
A two-wheeled pulley structure comprising:
the main body comprises a connecting plate 1, and a connecting column 11 is fixedly connected to the upper surface of the connecting plate 1;
The installation mechanism comprises a hook 2, the hook 2 is fixedly installed on the surface of a connecting column 11, two ends of the hook 2 are fixedly connected with a connecting block 21, a first bolt 22 is connected to the surface of the connecting block 21 in a threaded mode, a spring 23 is fixedly connected to the surface of the connecting block 21, a clamping rod 24 is fixedly connected to the surface of the spring 23, the installation mechanism is installed on the basis of original bolts, the clamping rod 24 is added to serve as a limit for the hook 2, accordingly, the connection strength between the hook 2 and the connecting column 11 is guaranteed, and the safety of site construction is improved.
Further, be provided with adjustment mechanism on the surface of connecting plate 1, adjustment mechanism includes alignment jig 3, alignment jig 3 supports to close the lower surface of connecting plate 1, rotation is connected with pulley body 31 on the surface of alignment jig 3, threaded connection has second bolt 32 on the surface of alignment jig 3, its adjustment mechanism can adjust the relative distance of two sets of second bolts 32 in connecting plate 1 bottom, improve the flexibility and the operability of second bolt 32, simultaneously the regulation of second bolt 32 adopts the dismantlement of pulley body 31 and second bolt 32 to adjust, can change the pulley body 31 and the second bolt 32 of damage, the convenience in the use has been improved.
Further, two groups of circular holes are formed in the surface of the connecting column 11, the circular holes of the connecting column 11 are distributed up and down, the hooks 2 are fixedly mounted on the connecting column 11 through the first bolts 22 in the circular holes of the connecting column 11, the connecting blocks 21 are in an 8-shaped form, and the connecting blocks 21 are provided with two groups and are respectively arranged at two ends of the hooks 2. And two sets of connection blocks 21 are on one set of horizontal lines.
Further, a set of threaded holes and a set of circular holes are formed in the surface of the connecting block 21, the first bolts 22 are in threaded connection with the threaded holes of the connecting block 21, the clamping rods 24 slide on the circular holes of the connecting block 21, and the threaded holes and the circular holes of the connecting block 21 correspond to the circular holes at the top of the connecting column 11 and the circular holes at the bottom of the connecting column 11 respectively.
Further, the first bolt 22 penetrates through the circular hole at the top of the connecting column 11, and the first bolt 22 is in threaded connection with the threaded hole of the connecting block 21, so that the connecting column 11 limits the position of the hook 2 through the first bolt 22 and the connecting block 21, the clamping rod 24 enters the circular hole at the bottom of the connecting column 11 through the elastic force of the spring 23, the clamping rod 24 slides on the connecting block 21, two groups of clamping rods 24 are arranged, the two groups of clamping rods 24 are in abutting connection with the circular hole at the bottom of the connecting column 11, the connecting column 11 limits the position of the hook 2 through the clamping rod 24 and the connecting block 21, double limiting of the hook 2 on the connecting column 11 is completed, and safety of the hook 2 on the connecting column 11 is improved.
Further, the round holes of the plurality of groups are formed in the two sides of the connecting plate 1, the round holes of the connecting plate 1 are linearly and uniformly distributed in the two sides of the connecting plate 1, the second bolts 32 are connected to the round holes of the connecting plate 1 in a penetrating mode, threaded holes are formed in the surface of the adjusting frame 3, the second bolts 32 penetrate through the round holes of the connecting plate 1, and the second bolts 32 are connected to the threaded holes of the adjusting frame 3 in a threaded mode.
Further, the whole adjusting frame 3 is in a 匚 shape, two groups of adjusting frames are arranged, the adjusting frame 3 is fixedly arranged on the lower surface of the connecting plate 1 through the second bolts 32, and the fixing position of the adjusting frame 3 is determined by the perforation position of the second bolts 32 on the connecting plate 1.
Working principle: the rope is sleeved on the hook 2, the hook 2 is installed on the connecting column 11, the two groups of clamping rods 24 are pulled outwards to enable the spring 23 to deform, at the moment, the threaded holes and the round holes of the connecting block 21 are aligned with the two groups of round holes of the connecting column 11, at the moment, the clamping rods 24 are loosened, under the elastic force of the spring 23, the clamping rods 24 slide on the connecting block 21 to the round holes at the bottom of the connecting column 11, at the moment, the first bolt 22 rotates on the threaded holes of the connecting block 21, the clamping rods 24 penetrate through the round holes at the top of the connecting column 11, the installation of the hook 2 on the connecting column 11 is completed, after the first bolt 22 loosens, the clamping rods 24 replace the first bolt 22 to temporarily limit the hook 2, and construction safety is guaranteed.
The adjusting frame 3 is propped against and connected to the lower surface of the connecting plate 1, the threaded holes of the adjusting frame 3 are aligned with the circular holes of the connecting plate 1, at the moment, the second bolts 32 penetrate through the circular holes of the connecting plate 1, the second bolts 32 are in threaded connection with the threaded holes of the adjusting frame 3, the second bolts 32 are arranged at the bottom of the connecting plate 1 through the adjusting frame 3, the positions of the two groups of pulley bodies 31 are adjusted through the different circular holes of the second bolts 32, so that the flexibility of the pulley bodies 31 is improved, meanwhile, the pulley bodies 31 can be detached from the bottom of the connecting plate 1 through the adjusting frame 3, and a user can conveniently replace the pulley bodies 31.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A two-wheeled pulley structure, comprising:
The main body comprises a connecting plate (1), and a connecting column (11) is fixedly connected to the upper surface of the connecting plate (1);
The mounting mechanism comprises a hook (2), the hook (2) is fixedly mounted on the surface of a connecting column (11), connecting blocks (21) are fixedly connected to the two ends of the hook (2), first bolts (22) are connected to the connecting blocks (21) in a threaded mode on the surface, springs (23) are fixedly connected to the connecting blocks (21) on the surface, and clamping rods (24) are fixedly connected to the springs (23) on the surface.
2. A two-wheeled pulley structure according to claim 1, wherein: the pulley is characterized in that an adjusting mechanism is arranged on the surface of the connecting plate (1), the adjusting mechanism comprises an adjusting frame (3), the adjusting frame (3) is propped against and connected to the lower surface of the connecting plate (1), a pulley body (31) is rotationally connected to the surface of the adjusting frame (3), and a second bolt (32) is connected to the surface of the adjusting frame (3) in a threaded mode.
3. A two-wheeled pulley structure according to claim 1, wherein: two groups of circular holes are formed in the surface of the connecting column (11), the circular holes of the connecting column (11) are distributed up and down, and the connecting block (21) is in an 8-shaped shape.
4. A two-wheeled pulley structure according to claim 3, wherein: a group of threaded holes and a group of circular holes are formed in the surface of the connecting block (21), the first bolt (22) is in threaded connection with the threaded holes of the connecting block (21), and the clamping rod (24) slides on the circular holes of the connecting block (21).
5. The two-wheeled pulley structure of claim 4 wherein: the first bolt (22) penetrates through a circular hole at the top of the connecting column (11), and the clamping rod (24) enters the circular hole at the bottom of the connecting column (11) through the elastic force of the spring (23).
6. A two-wheeled pulley structure according to claim 2, wherein: the two sides of the connecting plate (1) are provided with a plurality of groups of circular holes, the circular holes of the connecting plate (1) are uniformly distributed on the two sides of the connecting plate (1) in a linear manner, and the second bolts (32) are connected to the circular holes of the connecting plate (1) in a perforation mode.
7. The two-wheeled pulley structure of claim 6 wherein: the adjusting frame (3) is integrally in a 匚 shape, and the adjusting frame (3) is fixedly arranged on the lower surface of the connecting plate (1) through a second bolt (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189953.0U CN220976422U (en) | 2023-11-27 | 2023-11-27 | Double round formula pulley structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189953.0U CN220976422U (en) | 2023-11-27 | 2023-11-27 | Double round formula pulley structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976422U true CN220976422U (en) | 2024-05-17 |
Family
ID=91038052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323189953.0U Active CN220976422U (en) | 2023-11-27 | 2023-11-27 | Double round formula pulley structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976422U (en) |
-
2023
- 2023-11-27 CN CN202323189953.0U patent/CN220976422U/en active Active
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