CN217350501U - But angle of rotation's crane boom head pulley gear - Google Patents
But angle of rotation's crane boom head pulley gear Download PDFInfo
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- CN217350501U CN217350501U CN202220949151.1U CN202220949151U CN217350501U CN 217350501 U CN217350501 U CN 217350501U CN 202220949151 U CN202220949151 U CN 202220949151U CN 217350501 U CN217350501 U CN 217350501U
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- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a but angle of rotation's crane boom head pulley gear relates to the crane pulley field, which comprises a fixed base, the both sides at fixing base top evenly are provided with a plurality of fixing bolt. But a rotation angle's crane boom head pulley gear, inject the inside of mounting groove with the connecting seat of slide bearing one end, through the inside with connecting bolt precession thread groove, thereby fix the inside at the mounting groove with the connecting seat, and then link together bearing frame and slide bearing, one side at the swing span is fixed through the connecting seat with the slide bearing other end, can be according to wire rope direction of stress swing certain angle at during operation pulley body and swing span, can effectively avoid appearing wire rope and deviate from the phenomenon from the grooving of pulley body, and then allow the hoist when lifting by crane the goods, subaerial or the thing of hanging in aqueous draws to one side in certain angle within range, lift by crane the operation, thereby can satisfy the operation requirement.
Description
Technical Field
The utility model relates to a hoist pulley field, in particular to but angle of rotation's crane jib head pulley gear.
Background
When the crane with the boom is used for lifting cargoes, the cargoes are required to be lifted vertically from the ground, the condition of oblique pulling is avoided, if the cargoes are not lifted vertically, the condition that a steel wire rope is separated from a rope groove of a pulley can occur in the oblique pulling cargoes, so that the accidents of abrasion and blocking of the steel wire rope and a pulley side plate are caused, and the like.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a crane jib head pulley device with a rotatable angle, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotatable angle pulley device at the head of a crane boom comprises a fixed seat, wherein a plurality of fixing bolts are uniformly arranged on two sides of the top of the fixed seat, a bearing seat is fixedly connected to the top of the fixed seat, a sliding bearing is arranged in the bearing seat, a swing frame is installed at one end of the sliding bearing, a pulley body is installed in the swing frame, an avoiding groove is formed in the surface of the swing frame, connecting seats are symmetrically and fixedly connected to two ends of the sliding bearing, a mounting groove is formed in one side of the bearing seat, a threaded groove is formed in one side of the bearing seat, a connecting bolt is connected to the inner thread of the threaded groove, a fixing sleeve is fixedly connected to the inner wall surface of the swing frame, a rope pressing plate is arranged at the bottom of the fixing sleeve, a rotating shaft is fixedly connected to the inner part of the swing frame, and a compression spring is fixedly connected to the inner part of the fixing sleeve, the bottom end of the compression spring is fixedly connected with a limiting plate, and the other end of the limiting plate is fixedly connected with a sliding rod.
Preferably, the surface of the fixing bolt is in threaded connection with a thread groove formed in the surface of the fixing seat, and the surface of the sliding bearing is in sliding connection with the inner wall surface of the mounting groove.
Preferably, one side of the swing frame is provided with a thread groove, and one side of the swing frame is fixedly connected to one end of the connecting seat close to one side of the swing frame through a connecting bolt.
Preferably, the inner wall surface of the pulley body is rotatably connected to the surface of the rotating shaft through a bearing, the surface of the connecting seat close to one side of the bearing seat is slidably connected to the inner wall surface of the mounting groove, a threaded groove corresponding to the bearing seat is formed in the surface of the connecting seat, and the connecting seat is fixedly connected to the inside of the bearing seat through a connecting bolt.
Preferably, the rope pressing plate is arranged between the fixed sleeve and the pulley body, and the top of the rope pressing plate is fixedly connected to the bottom end of the sliding rod.
Preferably, the surface of the limiting plate is connected to the inner wall surface of the fixed sleeve in a sliding mode, and the surface of the sliding rod is connected to a sliding groove formed in the bottom end of the fixed sleeve in a sliding mode.
Advantageous effects
Compared with the prior art, the utility model provides a but rotation angle's crane jib head pulley gear possesses following beneficial effect:
1. the crane boom head pulley device with the rotatable angle is characterized in that a connecting seat at one end of a sliding bearing is inserted into the inside of a mounting groove through the matching use of a bearing seat, the sliding bearing, a swing frame, a pulley body, a connecting seat, the mounting groove, a thread groove and a connecting bolt, the connecting seat is fixed in the inside of the mounting groove through screwing the connecting bolt into the inside of the thread groove, the bearing seat is connected with the sliding bearing, the connecting seat at the other end of the sliding bearing is fixed on one side of the swing frame, the pulley body and the swing frame can swing for a certain angle according to the stress direction of a steel wire rope during working, the phenomenon that the steel wire rope is separated from a rope groove of the pulley body can be effectively avoided, and then when a crane lifts cargos, a hanging object on the ground or in water is obliquely pulled and lifted within a certain angle range, thereby being capable of meeting the use requirements.
2. This but angle of rotation's crane boom head pulley gear, fixed sleeve and rope pressing plate through setting up, compression spring, the limiting plate, the cooperation of slide bar is used, when wire rope slides in the grooving of pulley body, promote the limiting plate through compression spring and remove in fixed sleeve's inside, thereby it slides in the spout that the fixed sleeve bottom was seted up to drive the slide bar, and then drive the bottom of rope pressing plate and hug closely wire rope's surface, make it firmly fix in the grooving of pulley body, wire rope drops from the grooving of pulley body when pulley body and swing span swing angle are too big when avoiding appearing, the security in the use has been increased, reduce the trouble of maintenance number of times, the practicality is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the sliding bearing of the present invention;
FIG. 3 is a cross-sectional view of the swing frame of the present invention;
fig. 4 is a cross-sectional view of the fixing sleeve of the present invention.
In the figure: 1. a fixed seat; 2. fixing the bolt; 3. a bearing seat; 4. a sliding bearing; 5. a swing frame; 6. a pulley body; 7. an avoidance groove; 8. a connecting seat; 9. mounting grooves; 10. a thread groove; 11. a connecting bolt; 12. fixing the sleeve; 13. a rope pressing plate; 14. a rotating shaft; 15. a compression spring; 16. a limiting plate; 17. a slide bar.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, a rotatable crane boom head pulley device comprises a fixed seat 1, wherein a plurality of fixing bolts 2 are uniformly arranged on two sides of the top of the fixed seat 1, a bearing seat 3 is fixedly connected to the top of the fixed seat 1, a sliding bearing 4 is arranged inside the bearing seat 3, surface threads of the fixing bolts 2 are connected in screw grooves formed in the surface of the fixed seat 1, the surface of the sliding bearing 4 is slidably connected to the inner wall surface of a mounting groove 9, a swing frame 5 is mounted at one end of the sliding bearing 4, a pulley body 6 is mounted inside the swing frame 5, an avoiding groove 7 is formed in the surface of the swing frame 5, connecting seats 8 are symmetrically and fixedly connected to two ends of the sliding bearing 4, the inner wall surface of the pulley body 6 is rotatably connected to the surface of a rotating shaft 14 through a bearing, and the surface of the connecting seat 8 close to one side of the bearing seat 3 is slidably connected to the inner wall surface of the mounting groove 9, the surface of the connecting seat 8 is provided with a thread groove 10 corresponding to the bearing seat 3, the connecting seat 8 is fixedly connected inside the bearing seat 3 through a connecting bolt 11, one side of the bearing seat 3 is provided with a mounting groove 9, one side of the bearing seat 3 is provided with a thread groove 10, the inner thread of the thread groove 10 is connected with a connecting bolt 11, the connecting seat 3 and the sliding bearing 4 are arranged, the swing frame 5, the pulley body 6, the connecting seat 8, the mounting groove 9, the thread groove 10 and the connecting bolt 11 are matched for use, the connecting seat 8 at one end of the sliding bearing 4 is inserted into the mounting groove 9, the connecting bolt 11 is screwed into the thread groove 10, the connecting seat 8 is fixed inside the mounting groove 9, the bearing seat 3 and the sliding bearing 4 are connected together, the connecting seat 8 at the other end of the sliding bearing 4 is fixed on one side of the swing frame 5, thereby realizing work, the pulley body 6 and the swing frame 5 can swing by a certain angle according to the stress direction of the steel wire rope, so that the phenomenon that the steel wire rope is separated from a rope groove of the pulley body 6 can be effectively avoided, and further, when a crane lifts goods, the hanging objects on the ground or in water are pulled and lifted by a certain angle range, so that the use requirements can be met, one side of the swing frame 5 is provided with a thread groove 10, one side of the swing frame 5 is fixedly connected to one end of a connecting seat 8 close to one side of the swing frame 5 through a connecting bolt 11, the inner wall surface of the swing frame 5 is fixedly connected with a fixed sleeve 12, the bottom of the fixed sleeve 12 is provided with a rope pressing plate 13, the rope pressing plate 13 is arranged between the fixed sleeve 12 and the pulley body 6, the top of the rope pressing plate 13 is fixedly connected to the bottom end of a sliding rod 17, the inside of the swing frame 5 is fixedly connected with a rotating shaft 14, and the inside of the fixed sleeve 12 is fixedly connected with a compression spring 15, the bottom end of the compression spring 15 is fixedly connected with a limiting plate 16, the other end of the limiting plate 16 is fixedly connected with a sliding rod 17, the surface of the limiting plate 16 is slidably connected with the inner wall surface of the fixed sleeve 12, the surface of the sliding rod 17 is slidably connected in a sliding groove formed in the bottom end of the fixed sleeve 12, through the matched use of the fixed sleeve 12, the rope pressing plate 13, the compression spring 15, the limiting plate 16 and the sliding rod 17, when the steel wire rope slides in a rope groove of the pulley body 6, the limiting plate 16 is pushed by the compression spring 15 to move in the fixed sleeve 12, so that the sliding rod 17 is driven to slide in the sliding groove formed in the bottom end of the fixed sleeve 12, the bottom end of the rope pressing plate 13 is further driven to be tightly attached to the surface of the steel wire rope, the steel wire rope can be firmly fixed in the rope groove of the pulley body 6, and the steel wire rope is prevented from falling off from the rope groove of the pulley body 6 when the swing angle of the pulley body 6 and the swing frame 5 is too large, the safety in the use process is increased, the trouble of maintenance times is reduced, and the practicability is higher.
It should be noted that, the utility model relates to a crane jib head pulley device with rotatable angle, when in use, the connecting seat 8 at one end of the sliding bearing 4 is inserted into the inside of the mounting groove 9, the connecting bolt 11 is screwed into the inside of the thread groove 10, so that the connecting seat 8 is fixed inside the mounting groove 9, and further the bearing seat 3 is connected with the sliding bearing 4, and the connecting seat 8 at the other end of the sliding bearing 4 is fixed at one side of the swing frame 5, so that when in use, the pulley body 6 and the swing frame 5 can swing for a certain angle according to the stress direction of the steel wire rope, the steel wire rope can be effectively prevented from being separated from the rope groove of the pulley body 6, and further the crane is allowed to obliquely pull and lift the hanging objects on the ground or in water within a certain angle range when lifting goods, thereby the use requirements can be satisfied, when the steel wire rope slides in the rope groove of the pulley body 6, promote limiting plate 16 through compression spring 15 and remove in the inside of fixed sleeve 12 to drive slide bar 17 and slide in the spout that fixed sleeve 12 bottom was seted up, and then drive the bottom of pressing rope board 13 and hug closely wire rope's surface, make it firmly fix in the grooving of pulley body 6, avoid appearing when pulley body 6 and swing span 5 swing angle are too big wire rope drops from pulley body 6's grooving, the security in the use has been increased, the trouble of the maintenance number of times is reduced, therefore, the practicality is higher.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a but rotation angle's crane jib head pulley gear, includes fixing base (1), its characterized in that: the rope pressing device is characterized in that a plurality of fixing bolts (2) are evenly arranged on two sides of the top of the fixing seat (1), a bearing seat (3) is fixedly connected to the top of the fixing seat (1), a sliding bearing (4) is arranged inside the bearing seat (3), a swing frame (5) is installed at one end of the sliding bearing (4), a pulley body (6) is installed inside the swing frame (5), a avoiding groove (7) is formed in the surface of the swing frame (5), connecting seats (8) are symmetrically and fixedly connected to two ends of the sliding bearing (4), a mounting groove (9) is formed in one side of the bearing seat (3), a threaded groove (10) is formed in one side of the bearing seat (3), a connecting bolt (11) is connected to the inner thread of the threaded groove (10), a fixing sleeve (12) is fixedly connected to the inner wall face of the swing frame (5), and a rope pressing plate (13) is arranged at the bottom of the fixing sleeve (12), the inside fixedly connected with pivot (14) of swing span (5), the inside fixedly connected with compression spring (15) of fixed sleeve (12), the bottom fixedly connected with limiting plate (16) of compression spring (15), the other end fixedly connected with slide bar (17) of limiting plate (16).
2. The angle-rotatable crane boom head pulley device according to claim 1, wherein: the surface of the fixing bolt (2) is in threaded connection with a thread groove formed in the surface of the fixing seat (1), and the surface of the sliding bearing (4) is in sliding connection with the inner wall surface of the mounting groove (9).
3. The angle-rotatable crane boom head pulley device according to claim 1, wherein: a thread groove (10) is formed in one side of the swing frame (5), and one side of the swing frame (5) is fixedly connected to one end, close to one side of the swing frame (5), of the connecting seat (8) through a connecting bolt (11).
4. The angle-rotatable crane boom head pulley device according to claim 1, wherein: the pulley comprises a pulley body (6), wherein the inner wall surface of the pulley body (6) is rotatably connected to the surface of a rotating shaft (14) through a bearing, one side of the pulley body is close to a bearing seat (3), the surface of a connecting seat (8) is slidably connected to the inner wall surface of a mounting groove (9), a thread groove (10) corresponding to the bearing seat (3) is formed in the surface of the connecting seat (8), and the connecting seat (8) is fixedly connected to the inside of the bearing seat (3) through a connecting bolt (11).
5. The angle-rotatable crane boom head pulley device according to claim 1, wherein: the rope pressing plate (13) is arranged between the fixed sleeve (12) and the pulley body (6), and the top of the rope pressing plate (13) is fixedly connected to the bottom end of the sliding rod (17).
6. The angle-rotatable crane boom head pulley device according to claim 1, wherein: the surface of the limiting plate (16) is connected to the inner wall surface of the fixed sleeve (12) in a sliding mode, and the surface of the sliding rod (17) is connected to the sliding groove formed in the bottom end of the fixed sleeve (12) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949151.1U CN217350501U (en) | 2022-04-21 | 2022-04-21 | But angle of rotation's crane boom head pulley gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949151.1U CN217350501U (en) | 2022-04-21 | 2022-04-21 | But angle of rotation's crane boom head pulley gear |
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| Publication Number | Publication Date |
|---|---|
| CN217350501U true CN217350501U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220949151.1U Active CN217350501U (en) | 2022-04-21 | 2022-04-21 | But angle of rotation's crane boom head pulley gear |
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| Country | Link |
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| CN (1) | CN217350501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945257A (en) * | 2024-03-27 | 2024-04-30 | 河南科技学院 | Crane lifting device suitable for coiled material conveying |
-
2022
- 2022-04-21 CN CN202220949151.1U patent/CN217350501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117945257A (en) * | 2024-03-27 | 2024-04-30 | 河南科技学院 | Crane lifting device suitable for coiled material conveying |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Rotating Angle Crane Arm Head Pulley Device Granted publication date: 20220902 Pledgee: Bank of China Limited Taixing sub branch Pledgor: Jiangsu Haitai Marine Equipment Co.,Ltd. Registration number: Y2024980009792 |