CN212581332U - Lifting appliance for heavy machinery - Google Patents
Lifting appliance for heavy machinery Download PDFInfo
- Publication number
- CN212581332U CN212581332U CN202021420907.0U CN202021420907U CN212581332U CN 212581332 U CN212581332 U CN 212581332U CN 202021420907 U CN202021420907 U CN 202021420907U CN 212581332 U CN212581332 U CN 212581332U
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- installation piece
- sliding
- fixed frame
- rotation
- bevel gear
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Abstract
The utility model discloses a hoist for heavy industry machinery, fixed frame including returning the font, the annular groove has been seted up to fixed frame lateral wall, sliding connection has the installation piece in the recess of fixed frame, four sliding trays have been seted up to installation piece lower surface, the sliding tray communicates mutually and constitutes the cross, there is driving motor installation piece upper surface through the leg joint, driving motor's output shaft welding has the axis of rotation, the axis of rotation runs through the rotation with the installation piece through the bearing and is connected, the axis of rotation is located the inside one end interference fit of installation piece and has first bevel gear, first bevel gear meshing has four second bevel gears. The utility model discloses accessible driving motor adjusts the distance between four couples, and the central point of four couples is located the central point of hoist all the time, avoids artifical according to experience to adjust, has improved hoist and mount efficiency greatly, is provided with buffer, avoids colliding with and leads to lifting by crane the risk that article rocked the back and drop, greatly reduced the potential safety hazard.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a hoist for heavy industry machinery.
Background
When a large heavy-duty machine is hoisted, a mobile crane is needed, and when a mobile starter is used for hoisting, a sling is needed, wherein the sling refers to a device for hoisting a heavy object in the hoisting machine. The most common lifting appliances for lifting finished articles are lifting hooks, lifting belts, lifting rings, lifting suction cups, clamps, forks and the like, so that the articles to be lifted are easier to lift by a crane.
Among the prior art, fixed regulation function that does not have during the couple general position of current hoist, when lifting by crane to some large-scale heavy industry machinery, need the manual work to judge the focus according to experience, rethread couple and suspender hoist, greatly reduced hoist and mount efficiency, and current hoist does not possess buffer, when the hoist bumps with other objects when playing, the hoist can drive and lift by crane article and rock, rocks and too greatly probably leads to droing, has very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a lifting appliance for heavy machinery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lifting appliance for heavy machinery comprises a reversed-square-shaped fixing frame, wherein an annular groove is formed in the side wall of the fixing frame, an installation block is connected in the groove of the fixing frame in a sliding manner, four sliding grooves are formed in the lower surface of the installation block and communicated with each other to form a cross shape, a driving motor is welded on the upper surface of the installation block through a support, an output shaft of the driving motor is welded with a rotating shaft, the rotating shaft is rotatably connected with the installation block through a bearing in a penetrating manner, a first bevel gear is in interference fit with one end of the rotating shaft positioned in the installation block, four second bevel gears are meshed with the first bevel gear, a threaded rod is in interference fit with the second bevel gears, the threaded rod is positioned in the corresponding sliding groove and is rotatably connected with the inner side wall of the installation block through the bearing, the installation block is slidably connected with four, the lower surface welding of slider has the couple, be provided with multiunit buffer between fixed frame inside wall and the installation piece lateral wall.
Preferably, buffer includes the slide bar, the slide bar welding is between the interior roof of fixed frame and interior diapire, two sliding seat have been cup jointed in the sliding on the slide bar, fixedly connected with spring between the inner wall of sliding seat and fixed frame, the lateral wall that the sliding seat is close to installation piece one side is connected with the connecting rod through the round pin rotation, the one end that the sliding seat was kept away from to the connecting rod is connected through the round pin rotation with the installation piece lateral wall.
Preferably, the sliding block is a sliding block with a T-shaped section, and the sliding groove is a T-shaped sliding groove.
Preferably, the fixed frame upper surface welding has a plurality of fixed rings, fixed ring is connected with rings through the chain.
Preferably, the thread lead angle of the threaded rod is smaller than the equivalent friction angle of the thread pair formed by the threaded rod and the sliding block.
Preferably, the driving motor is a 100YYJT120-3 motor, and at least two sets of buffer devices are arranged between each inner sidewall of the fixing frame and each outer sidewall of the mounting block.
The utility model discloses contrast prior art, its advantage lies in:
1. by arranging the sliding groove, the sliding block, the threaded rod, the driving motor, the rotating shaft, the first bevel gear and the second bevel gear, the distance between the four hooks can be adjusted by starting the driving motor, and the central points of the four hooks are always positioned at the center of the mounting block in the adjusting process, so that the lifting efficiency is greatly improved without manual adjustment according to experience when machines with different sizes are lifted;
2. set up slide bar, sliding seat, spring, connecting rod, appear colliding with when receiving the impact force when the hoist, through the partial impact force of spring buffering, avoid hoist and mount article to rock the production risk that drops along with the hoist, greatly reduced the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of a lifting appliance for heavy machinery according to the present invention.
Fig. 2 is an enlarged view of a position a of the lifting appliance for heavy machinery provided by the utility model.
Fig. 3 is a B-position cross-sectional view of the lifting device for heavy machinery provided by the present invention.
In the figure: the device comprises a fixed frame 1, a mounting block 2, a sliding groove 3, a driving motor 4, a rotating shaft 5, a first bevel gear 6, a second bevel gear 7, a threaded rod 8, a sliding block 9, a hook 10, a sliding rod 11, a sliding seat 12, a spring 13, a connecting rod 14, a fixing ring 15, a chain 16 and a lifting ring 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a lifting appliance for heavy machinery, comprising a rectangular fixed frame 1, wherein the side wall of the fixed frame 1 is provided with an annular groove, the groove of the fixed frame 1 is connected with an installation block 2 in a sliding way, the lower surface of the installation block 2 is provided with four sliding grooves 3, the sliding grooves 3 are mutually communicated to form a cross shape, the upper surface of the installation block 2 is welded with a driving motor 4 through a bracket, the output shaft of the driving motor 4 is welded with a rotating shaft 5, the rotating shaft 5 is connected with the installation block 2 through a bearing in a penetrating and rotating way, one end of the rotating shaft 5, which is positioned inside the installation block 2, is in interference fit with a first bevel gear 6, the first bevel gear 6 is meshed with four second bevel gears 7, the second bevel gears 7 are in interference fit with threaded rods 8, the threaded rods 8 are positioned in the corresponding sliding grooves 3 and, the distance of four sliders 9 apart from first bevel gear 6 is unanimous, slider 9 and the 8 threaded connection of threaded rod that corresponds, and the lower surface welding of slider 9 has couple 10, is provided with multiunit buffer between 1 inside wall of fixed frame and the 2 lateral walls of installation block.
Buffer includes slide bar 11, slide bar 11 welds between the interior roof of fixed frame 1 and the interior diapire, slide bar 11 goes up the slip cup joint has two sliding seat 12, fixedly connected with spring 13 between sliding seat 12 and the inner wall of fixed frame 1, sliding seat 12 is close to the lateral wall of 2 one sides of installation piece and is connected with connecting rod 14 through the round pin hub rotation, connecting rod 14 keeps away from the one end of sliding seat 12 and is connected through the round pin hub rotation with 2 lateral walls of installation piece, when the hoist bumps and produces the impact force, through the partial impact force of spring 13's elasticity buffering, avoid article to rock along with the hoist together, produce the risk that drops.
The slider 9 is the slider that the cross-section is the T shape, and the sliding tray 3 is the T shape sliding tray, and the slider of T shape and sliding tray make the part that slider 9 and installation piece 2 offset be main bearing part, and threaded rod 8 is non-bearing part, and threaded rod 8 only is responsible for adjusting the position of slider 9.
The upper surface of the fixed frame 1 is welded with a plurality of fixed rings 15, and the fixed rings 15 are connected with hoisting rings 17 through chains 16.
The thread lead angle of the threaded rod 8 is smaller than the equivalent friction angle of a thread pair formed by the threaded rod 8 and the sliding block 9, so that self-locking of threaded connection between the threaded rod 8 and the sliding block 9 is realized, and the phenomenon that the threaded connection part shakes to influence the stability after the threaded connection part plays a role is avoided.
The driving motor 4 should adopt a 100YYJT120-3 type motor, the buffer device is arranged between each inner side wall of the fixing frame 1 and each outer side wall of the mounting block 2 at least and is provided with two groups, and the buffer device is arranged between each inner side wall of the fixing frame 1 and each outer side wall of the mounting block 2 at least and can effectively buffer impact force to avoid shaking.
The utility model discloses a hoist is when using, according to the size of required hoist and mount machinery, open driving motor 4, driving motor 4 drives and rotates rather than welded axis of rotation 5, make and rotate 5 interference fit's first bevel gear 6 of axis of rotation, first bevel gear 6 drives and rotates rather than four bevel gear 7 of meshing, second bevel gear 7 drives and rotates rather than interference fit's threaded rod 8, adjust the distance between four couples 10 through the threaded connection between threaded rod 8 and the slider 9, in the course of adjusting, the center of the rectangle that four couples 10 connecting wires formed uses the center department that is located installation piece 2 (be the center of whole hoist), after adjusting to suitable distance, fix the machinery of waiting to hoist through couple 10 and suspender, hoist through rings 17 again;
in the hoist and mount process, if fixed frame 1 bumps with other objects, fixed frame 1 can receive certain impact force and begin to rock this moment, drives installation piece 2 horizontal direction and rocks, and installation piece 2 rocks the in-process, drives connecting rod 14 motion, and connecting rod 14 drives sliding seat 12 and slides on slide bar 11, and compression or extension spring 13, through the elasticity furthest's of spring 13 buffering impact force, avoid installing excessive rocking of piece 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hoist for heavy industry machinery, includes fixed frame (1) of the font of returning, annular groove has been seted up to fixed frame (1) lateral wall, its characterized in that, sliding connection has installation piece (2) in the recess of fixed frame (1), four sliding tray (3) have been seted up to installation piece (2) lower surface, sliding tray (3) communicate each other and constitute the cross, installation piece (2) upper surface has driving motor (4) through the leg joint, the output shaft welding of driving motor (4) has axis of rotation (5), axis of rotation (5) and installation piece (2) run through the rotation through the bearing and are connected, the one end interference fit that axis of rotation (5) is located installation piece (2) inside has first bevel gear (6), first bevel gear (6) meshing has four second bevel gear (7), second bevel gear (7) interference fit has threaded rod (8), threaded rod (8) be located corresponding sliding tray (3) in and with installation piece (2) inside wall passes through the bearing and rotates the connection, installation piece (2) have four slider (9) through sliding tray (3) sliding connection, slider (9) and corresponding threaded rod (8) threaded connection, slider (9) lower surface welding has couple (10), be provided with multiunit buffer between fixed frame (1) inside wall and installation piece (2) lateral wall.
2. The lifting appliance for heavy machinery according to claim 1, wherein the buffering device comprises a sliding rod (11), the sliding rod (11) is welded between an inner top wall and an inner bottom wall of the fixed frame (1), two sliding seats (12) are slidably sleeved on the sliding rod (11), a spring (13) is fixedly connected between the sliding seats (12) and the inner wall of the fixed frame (1), a connecting rod (14) is rotatably connected to a side wall of the sliding seat (12) close to one side of the mounting block (2) through a pin shaft, and one end, away from the sliding seat (12), of the connecting rod (14) is rotatably connected with the outer side wall of the mounting block (2) through a pin shaft.
3. A spreader as claimed in claim 1, wherein the blocks (9) are T-shaped blocks and the grooves (3) are T-shaped grooves.
4. The lifting appliance for heavy work machinery according to claim 1, wherein a plurality of fixing rings (15) are welded on the upper surface of the fixing frame (1), and the fixing rings (15) are connected with lifting rings (17) through chains (16).
5. A spreader as claimed in claim 1, wherein the lead angle of the threaded rod (8) is less than the equivalent friction angle of the thread pair formed by the threaded rod (8) and the slider (9).
6. The spreader for heavy work machinery according to claim 1, wherein the driving motor (4) is 100YYJT120-3 motor, and the buffer device is provided in at least two sets between each inner sidewall of the fixed frame (1) and each outer sidewall of the mounting block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021420907.0U CN212581332U (en) | 2020-07-17 | 2020-07-17 | Lifting appliance for heavy machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021420907.0U CN212581332U (en) | 2020-07-17 | 2020-07-17 | Lifting appliance for heavy machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212581332U true CN212581332U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021420907.0U Active CN212581332U (en) | 2020-07-17 | 2020-07-17 | Lifting appliance for heavy machinery |
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| Country | Link |
|---|---|
| CN (1) | CN212581332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113734955A (en) * | 2021-09-01 | 2021-12-03 | 泰兴晨光索具有限公司 | Special hoisting rigging for fragile articles and use method |
-
2020
- 2020-07-17 CN CN202021420907.0U patent/CN212581332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113734955A (en) * | 2021-09-01 | 2021-12-03 | 泰兴晨光索具有限公司 | Special hoisting rigging for fragile articles and use method |
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