CN217201703U - Novel load dolly hoist and mount device - Google Patents
Novel load dolly hoist and mount device Download PDFInfo
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- CN217201703U CN217201703U CN202220375382.6U CN202220375382U CN217201703U CN 217201703 U CN217201703 U CN 217201703U CN 202220375382 U CN202220375382 U CN 202220375382U CN 217201703 U CN217201703 U CN 217201703U
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- pulley
- dolly
- pulleys
- trolley
- lifting hook
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Abstract
The utility model discloses a novel load dolly hoist device, including dolly body, first pulley, lifting hook, second pulley and lift by crane wire rope, first pulley is equipped with two, and the left and right both sides outside of dolly body is located respectively to two first pulleys, is equipped with the third pulley in the middle of the dolly body lower extreme, and the second pulley is equipped with two, and the left and right both sides of lifting hook are located respectively to two second pulleys, lifts by crane wire rope and turns right from a left side and wind around in left side first pulley, left side second pulley, third pulley, right side second pulley, the first pulley in right side in proper order. The utility model discloses a reduce first pulley into 2 by 4, reduced dolly body overall dimension, the third pulley changes to locate below the dolly body, lifts by crane wire rope and wears to wind simply, only needs to adopt 2 first pulleys just can realize the heavy performance of hanging of 4 multiplying powers, has alleviateed the whole weight of load dolly greatly to improve the whole heavy performance of hanging of tower machine greatly, reduced manufacturing cost simultaneously.
Description
Technical Field
The utility model relates to a tower crane technical field especially relates to a novel load dolly hoist and mount device.
Background
The load-carrying trolley in the tower crane is one of important moving parts, materials in a building are transferred by lifting and moving the materials through the load-carrying trolley, the weight of the load-carrying trolley plays a large part of factors on the lifting performance of the tower crane, the existing load-carrying trolley is complex in structure and heavy in weight, and the load-carrying trolley is shown in attached figures 1 and 2 and comprises a trolley body 1, a first pulley 2, a lifting steel wire rope 3, a lifting hook 4, a second pulley 5 and a third pulley 6, wherein the first pulley 2 is provided with four pulleys which are distributed between two cross beams on the inner sides of the left side and the right side of the trolley body 1 in an array mode, the second pulley 5 is provided with two pulleys which are arranged on the lifting hook 4 side by side, the third pulley 6 is arranged above the second pulley 5 in the middle of the lifting hook, and the lifting steel wire rope 3 sequentially bypasses the two first pulleys 2 in the rear row, the two second pulleys 5 and the first pulley in the left side of the front row, The third pulley and the first pulley on the right side of the front row are large in material selection, structural parts are large in appearance and multiple in part types, the first pulley 2 adopts 4 parts to achieve 4-multiplying-power hoisting performance, the hoisting steel wire rope 3 is complex to penetrate and wind, the structure finally causes the weight of the load-carrying trolley to be heavy, and the hoisting performance of the tower crane is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the weight unbalance of current tower crane load dolly itself among the above-mentioned background art, the structure appearance is big, the part kind is many, greatly reduced the problem of lifting force ability, the utility model provides a novel load dolly hoist device.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a novel load dolly hoist device, includes dolly body, first pulley, lifting hook, second pulley and lifts by crane wire rope, on the dolly body was located to first pulley, on the lifting hook was located to the second pulley, its characterized in that: the lifting hook is characterized in that the first pulleys are provided with two pieces, the two pieces of first pulleys are respectively arranged on the outer sides of the left side and the right side of the trolley body, the mounting support is arranged in the middle of the lower end of the trolley body, the third pulley is arranged on the mounting support, the two pieces of second pulleys are arranged on the left side and the right side of the lifting hook, and the lifting steel wire rope sequentially winds the left side first pulley, the left side second pulley, the third pulley, the right side second pulley and the right side first pulley from left to right.
Furthermore, the upper end face of the mounting support is provided with an ear plate, a first pin hole is formed in the middle of the ear plate, two hanging plates which are arranged side by side are arranged in the middle between two cross beams of the trolley body, the ear plate is inserted in the middle of the two hanging plates, a second pin hole is formed in the position, corresponding to the first pin hole, of each hanging plate, the mounting support and the two hanging plates penetrate through the first pin hole and the second pin hole through a shoulder pin shaft to be connected, and a cotter pin is inserted in the outer circle face of the end portion of the shoulder pin shaft to be positioned.
Furthermore, a pulley shaft is inserted in the middle of the first pulley, two rolling bearings are arranged in an inner hole of the first pulley, inner rings of the rolling bearings are fastened with the pulley shaft, and a positioning shaft sleeve is arranged between the outer end face of each rolling bearing and a cross beam of the trolley body.
Furthermore, the left side of the first pulley in the left side, the right side of the first pulley in the right side all are equipped with the protection casing.
Compared with the prior art, the beneficial effects of the utility model are that: through reducing first pulley into 2 by 4 to install in the dolly body left and right both sides outside, reduced dolly body overall dimension, the third pulley changes to locate below the dolly body, and it is simple to lift by crane wire rope and cross-wound, only needs to adopt 2 first pulleys just can realize the hoisting capacity performance of 4 multiplying powers, has alleviateed load dolly whole weight greatly, thereby has improved the whole hoisting capacity performance of tower machine greatly, has reduced manufacturing cost simultaneously.
Drawings
FIG. 1 is a schematic view of a prior art top view of a trolley body and a first pulley;
FIG. 2 is a schematic diagram of a hoisting structure of a conventional load-carrying trolley;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the trolley body, the first pulley and the third pulley according to the embodiment of the present invention;
FIG. 5 is a top view of FIG. 4;
fig. 6 is an enlarged view of fig. 5 at I.
In the figure: 1. the trolley comprises a trolley body, 101, a cross beam, 102, a hanging plate, 2, a first pulley, 201, a pulley shaft, 202, a rolling bearing, 203, a positioning shaft sleeve, 3, a hoisting steel wire rope, 4, a lifting hook, 5, a second pulley, 6, a third pulley, 7, a mounting bracket, 8, an ear plate, 9, a shoulder pin shaft, 10, a split pin, 11 and a protective cover.
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.
As shown in fig. 3 to 6, the embodiment of the present invention includes a trolley body 1, a first pulley 2, a hook 4, a second pulley 5, a third pulley 6, and a hoisting wire rope 3.
Two first pulleys 2 are arranged between the two cross beams 101 on the outer sides of the left side and the right side of the trolley body 1 respectively, a pulley shaft 201 is inserted in the middle of each first pulley 2, two rolling bearings 202 are arranged in inner holes of each first pulley 2, inner rings of the rolling bearings 202 are fastened with the pulley shafts 201, and a positioning shaft sleeve 203 is arranged between the outer end face of each rolling bearing 202 and the cross beam 101 of the trolley body.
Be equipped with installing support 7 in the middle of the 1 lower extreme of dolly body, be equipped with otic placode 8 on the installing support 7 up end, be equipped with first pinhole in the middle of the otic placode 8, the middle part is equipped with two link plates 102 that set up side by side between two crossbeams 101 of dolly body 1, otic placode 8 is inserted and is located between two link plates 102, link plate 102 is gone up and all is equipped with the second pinhole with first pinhole correspondence position, installing support 7 passes first pinhole with two link plates 102 through shoulder pin axle 9, the second pinhole is connected, it is equipped with split pin 10 location to insert on the outer disc of shoulder pin axle 9 tip, be equipped with third pulley 6 on the installing support 7.
The second pulley 5 is provided with two pieces, and the two pieces of second pulley 5 are respectively arranged at the left side and the right side of the lifting hook 4.
As shown in fig. 3, the hoisting steel wire rope 3 is wound on the left first pulley 2, the left second pulley 5, the third pulley 6, the right second pulley 5 and the right first pulley 2 from left to right in sequence, and the winding and the penetrating are simple.
The left side of the first pulley 2 in left side and the right side of the first pulley 2 in right side all are equipped with the protection casing, can effectively prevent to lift by crane the recess of the first pulley 2 of wire rope roll-off, cause the incident.
The utility model discloses only need adopt 2 first pulleys 2 and just can realize the heavy performance of hanging of 4 multiplying powers, alleviateed the whole weight of load dolly simultaneously greatly to improve the whole heavy performance of hanging of tower machine greatly, reduced manufacturing cost simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel load dolly hoist device, includes dolly body, first pulley, lifting hook, second pulley and lifts by crane wire rope, on the dolly body was located to first pulley, on the lifting hook was located to the second pulley, its characterized in that: the lifting hook is characterized in that the first pulleys are provided with two pieces, the two pieces of first pulleys are respectively arranged on the outer sides of the left side and the right side of the trolley body, the mounting support is arranged in the middle of the lower end of the trolley body, the third pulley is arranged on the mounting support, the two pieces of second pulleys are arranged on the left side and the right side of the lifting hook, and the lifting steel wire rope sequentially winds the left side first pulley, the left side second pulley, the third pulley, the right side second pulley and the right side first pulley from left to right.
2. The novel load trolley hoisting device as claimed in claim 1, wherein: the trolley is characterized in that an ear plate is arranged on the upper end face of the mounting support, a first pin hole is formed in the middle of the ear plate, two hanging plates which are arranged side by side are arranged in the middle between two cross beams of the trolley body, the ear plate is inserted into the middle of the two hanging plates, a second pin hole is formed in the position, corresponding to the first pin hole, of each hanging plate, the mounting support and the two hanging plates penetrate through the first pin hole and the second pin hole through a shoulder pin shaft to be connected, and a cotter pin is inserted into the outer circular surface of the end portion of the shoulder pin shaft to perform axial positioning.
3. The novel load trolley hoisting device as claimed in claim 1, wherein: a pulley shaft is inserted in the middle of the first pulley, two rolling bearings are arranged in an inner hole of the first pulley, inner rings of the rolling bearings are fastened with the pulley shaft, and a positioning shaft sleeve is arranged between the outer end face of each rolling bearing and a cross beam of the trolley body.
4. The novel load trolley hoisting device as claimed in any one of claims 1 to 3, wherein: the left side of the first pulley in left side, the right side of the first pulley in right side all are equipped with the protection casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375382.6U CN217201703U (en) | 2022-02-23 | 2022-02-23 | Novel load dolly hoist and mount device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220375382.6U CN217201703U (en) | 2022-02-23 | 2022-02-23 | Novel load dolly hoist and mount device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217201703U true CN217201703U (en) | 2022-08-16 |
Family
ID=82797579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220375382.6U Active CN217201703U (en) | 2022-02-23 | 2022-02-23 | Novel load dolly hoist and mount device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217201703U (en) |
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2022
- 2022-02-23 CN CN202220375382.6U patent/CN217201703U/en active Active
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