CN217126762U - Novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device - Google Patents
Novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device Download PDFInfo
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- CN217126762U CN217126762U CN202220687415.0U CN202220687415U CN217126762U CN 217126762 U CN217126762 U CN 217126762U CN 202220687415 U CN202220687415 U CN 202220687415U CN 217126762 U CN217126762 U CN 217126762U
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Abstract
The utility model belongs to the technical field of tower crane luffing trolleys, and discloses a novel vertical column type tower crane luffing trolley rope breakage protection device, wherein two rope breakage protection structures are arranged on a front cross beam and a rear cross beam respectively; the front cross beam is provided with a wedge block, and the rear cross beam is provided with a tensioning structure; the rope breaking protection structure is provided with a jacking stop assembly, and the side edge of the jacking stop assembly is provided with a rope breaking trigger assembly; the two rope breaking triggering assemblies are respectively arranged on the front cross beam and the rear cross beam; the rope breakage triggering assembly is provided with a pressing block, and the pressing block is connected with the trolley main beam through a first pin shaft and a second pin shaft respectively; the first pin shaft is connected with a first pin through a clamping hole in a clamping manner, and the second pin shaft is connected with a second pin through a clamping hole in a clamping manner; the pressing block is pressed on the pressing plate and is fixedly connected with the steel wire rope ring. The utility model is safe, reliable, simple in structure and convenient in installation; meanwhile, the occurrence of false lifting accidents after the amplitude-variable steel wire rope is loosened can be effectively reduced, and the safety coefficient is increased.
Description
Technical Field
The utility model belongs to the technical field of tower machine becomes width of cloth dolly, especially, relate to a novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device.
Background
At present, with more and more high-rise buildings and civil buildings, the use amount and the use frequency of tower cranes are increased day by day, and in the use process, accidents caused by breakage of the amplitude-variable steel wire rope are increased day by day, and the amplitude-variable trolley is required to be provided with a rope breakage protection device. But the traditional anti-rope-breaking protection device of the amplitude-variable trolley has the following defects: 1) when the steel wire rope is broken, the rope ring of the braking device cannot be timely separated, particularly in a tower, the rigidity of the steel wire rope enables the braking device to be stressed in balance and cannot be turned downwards continuously, so that the stopping rod and the cross beam form a certain angle, the stopping rod cannot be contacted with the cross web member of the crane boom, and braking failure is caused. 2) In the working and braking process of the double-trolley structure, when the steel rope on the main trolley is broken, the steel rope is clamped on the beam of the main trolley and the auxiliary trolley, so that the stopping device cannot be turned downwards to form braking, and the braking is invalid. Through the analysis of the prior art, when the traditional trolley rope breakage protection device is too short, the stopping failure can be caused because the steel wire rope cannot be completely separated from the counterweight rope ring; when the traditional trolley rope breakage protection device is too long, the rope breakage protection device interferes with a crane arm due to certain flexibility and jumping of a steel wire rope.
Through the analysis of the prior art, the traditional stopping device is known to be stressed in balance due to the rigidity of the steel wire rope in the working braking of single and double trolleys, and cannot be turned downwards continuously, so that the braking is invalid.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device.
The utility model is realized in such a way, the rope breakage protection device for the tower crane luffing trolley is provided with a rope breakage protection structure; the two rope breakage protection structures are respectively arranged on the front cross beam and the rear cross beam; the front cross beam is provided with a wedge block, and the rear cross beam is provided with a tensioning structure;
the rope breakage protection structure is provided with a jacking stopping assembly, and the side edge of the jacking stopping assembly is provided with a rope breakage triggering assembly.
Furthermore, the number of the broken rope trigger assemblies is two, and the broken rope trigger assemblies are respectively installed on the front cross beam and the rear cross beam.
Furthermore, the rope breaking trigger assembly is provided with a pressing block, and the pressing block is connected with the trolley main beam through a first pin shaft and a second pin shaft respectively;
the first pin shaft is connected with a first pin through a clamping hole in a clamping manner, and the second pin shaft is connected with a second pin through a clamping hole in a clamping manner; the pressing block is pressed on the pressing plate and is fixedly connected with the steel wire rope ring.
Furthermore, the jacking stop assembly is provided with a base, a stop sleeve is fixed on the base through a bolt, a pressure spring and a stop rod are arranged in the stop sleeve, and the stop rod is positioned at the upper part of the pressure spring;
the bottom of the stop rod is provided with a pressing plate which is connected in a sliding way in a through hole, and the through hole is arranged on the side surface of the stop sleeve.
Furthermore, the tensioning structure is provided with a support frame, the support frame is provided with a winding drum through a rotating shaft, and clamping wheels are welded at the end parts of two sides of the winding drum; a pin is installed at one side end of the rotating shaft, and a rotating disc is installed at the other side of the rotating shaft.
Furthermore, an adjusting pin shaft is installed on the support frame through an adjusting hole, and a safety pin shaft is installed on the support frame through a pin shaft hole.
With the above technical solution and the technical problem solved, please analyze the following aspects and advantages of the technical solution to be protected of the present invention are:
first, to the technical problem that above-mentioned prior art exists and the degree of difficulty of solving this problem, combine closely the utility model discloses an in-process result and data etc. of technical scheme and the research and development that will protect, analyze in detail, deeply the utility model discloses technical problem that technical scheme how solved, some that bring after the solution problem possess creative technological effect. The specific description is as follows:
the utility model overcomes traditional detent makes the detent atress balanced owing to wire rope's rigidity makes the detent atress in single, two dolly work braking, can't continue the upset downwards, causes the braking inefficacy problem. Simultaneously the utility model discloses effectively reduce and become the emergence that the accident was lifted up to the mistake after width of cloth wire rope relaxs, increased factor of safety.
Second, regard as a whole or from the angle of product to technical scheme, the utility model discloses technical effect and advantage that technical scheme that will protect possesses, the concrete description is as follows:
the utility model is safe, reliable, simple in structure and convenient in installation; meanwhile, the occurrence of false lifting accidents after the amplitude-variable steel wire rope is loosened can be effectively reduced, and the safety factor is increased.
Drawings
Fig. 1 is a schematic structural view of a rope breakage protection device of a tower crane luffing trolley provided by an embodiment of the utility model;
fig. 2 is a schematic view of a rope breakage protection structure provided by the embodiment of the present invention;
fig. 3 is a front view of a rope breakage protection structure provided by the embodiment of the present invention;
fig. 4 is a schematic view of a rope breakage protection structure when the steel wire rope swings according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a rope breakage triggering assembly provided in an embodiment of the present invention;
fig. 6 is a schematic structural view of a jacking stop assembly provided by an embodiment of the present invention;
fig. 7 is a right side view of a jacking stop assembly provided by an embodiment of the present invention;
fig. 8 is a schematic structural view of a stop sleeve according to an embodiment of the present invention;
fig. 9 is a schematic view of a base structure provided in an embodiment of the present invention;
fig. 10 is a schematic structural view of a stop lever provided by an embodiment of the present invention;
fig. 11 is a schematic view of a tensioning structure provided by an embodiment of the present invention;
in the figure: 1. a front cross member; 2. a tensioning structure; 3. a wedge block; 4. a rear cross member; 5. a first pin shaft; 6. a first pin; 7. a second pin shaft; 8. a second pin; 9. a through hole; 10. a rope breakage triggering assembly; 11. briquetting; 12. a wire rope loop; 13. pressing a plate; 14. a support frame; 15. a rotating shaft; 16. adjusting the pin shaft; 17. a winding drum; 18. clamping the wheel; 19. a safety pin shaft; 20. a jacking stop assembly; 21. a base; 22. a stop sleeve; 23. a pressure spring; 24. a stopper rod; 25. rope breakage protection structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First, an embodiment is explained. This section is an explanatory embodiment for expanding the technical solutions of the claims so as to make those skilled in the art fully understand how to implement the present invention.
As shown in fig. 1, the rope breakage protection device for the tower crane luffing trolley provided by the embodiment of the present invention is provided with two rope breakage protection structures 25, which are respectively mounted on the front beam 1 and the rear beam 4, the rope breakage protection structure 25 is provided with a jacking stop assembly 20, the side edge of the jacking stop assembly 20 is provided with a rope breakage trigger assembly 10, and the two rope breakage trigger assemblies 10 are respectively mounted on the front beam 1 and the rear beam 4; the front cross beam 1 is provided with a wedge block 3, and the rear cross beam 4 is provided with a tensioning structure 2; the front rope of the amplitude variation trolley penetrates into the steel wire rope ring 12 to be fixed on the wedge block 3, the rear rope penetrates into the steel wire rope ring 12 to be fixed on the tensioning structure 2, and then the second pin shaft 7 is detached.
As shown in fig. 5, the embodiment of the present invention provides a rope breakage triggering assembly 10, which is provided with a pressing block 11, wherein the pressing block 11 is connected to the trolley girder through a first pin 5 and a second pin 7. The first pin shaft 5 is connected with a first pin 6 in a clamping way through a clamping hole, and the second pin shaft 7 is connected with a second pin 8 in a clamping way through a clamping hole; the pressing block 11 is pressed on the pressing plate 13, the pressing block 11 is fixedly connected with the steel wire rope ring 12, and the steel wire rope ring 12 is higher than the upper plane of the stop rod 24 by a certain distance so as to prevent the stop rod and the boom bottom chord cross web member from interfering due to the swing of the steel wire rope.
As shown in fig. 6, the jacking locking assembly 20 provided by the embodiment of the present invention is provided with a base 21, a locking sleeve 22 is fixed on the base 21 through a bolt, a pressure spring 23 and a locking rod 24 are installed inside the locking sleeve 22, and the locking rod 24 is located on the upper portion of the pressure spring 23. The bottom of the stop rod 24 is provided with a pressing plate 13, the pressing plate 13 is slidably connected in the through hole 9, and the through hole 9 is arranged on the side surface of the stop sleeve 22. The locking lever 24 is first inserted into the locking sleeve 22, then the compression spring 23, and finally the base 21 is connected to the locking sleeve 22. After the luffing rope is wound, the tension of the steel wire rope is transmitted to the pressing block 11 through the steel wire rope ring 12 and pressed on the stop rod 24, the pressing spring 23 is compressed, and then the second pin shaft 7 and the second pin 8 are removed; after the rope is broken, the pressure block 11 loses pressure, the pressure spring 23 jacks the pressure block 11, and the stop rod 24 is pushed to be inserted into the lower chord of the crane boom and clamped on the lower chord cross web member, so that the trolley is rapidly braked.
As shown in fig. 11, the tensioning structure 2 provided by the embodiment of the present invention is provided with a supporting frame 14, the supporting frame 14 is provided with a winding drum 17 through a rotating shaft 15, and the ends of two sides of the winding drum 17 are welded with clamping wheels 18; an adjusting pin shaft 16 is arranged on the supporting frame 14 through an adjusting hole, and a safety pin shaft 19 is arranged on the supporting frame 14 through a pin shaft hole; a pin is arranged at one end of the rotating shaft 15, and a rotating disc is arranged at the other side of the rotating shaft 15. When the steel wire rope is tensioned, the turntable rotates, and the rotating shaft 15 drives the winding drum 17 to rotate, so that the steel wire rope is wound on the winding drum 17. Meanwhile, the adjusting pin shaft 16 and the safety pin shaft 19 are clamped on the clamping wheel 18 to fix the position of the winding drum 17.
The utility model discloses a theory of operation does: the front rope of the amplitude variation trolley penetrates into the steel wire rope ring 12 to be fixed on the wedge block 3, the rear rope penetrates into the steel wire rope ring 12 to be fixed on the tensioning structure 2, and then the second pin shaft 7 is detached. After the rope is broken, the pressure block 11 loses pressure, the pressure spring 23 jacks the pressure block 11, and the stop rod 24 is pushed to be inserted into the lower chord of the crane boom and clamped on the lower chord cross web member, so that the trolley is rapidly braked. When the steel wire rope is tensioned, the turntable rotates, and the rotating shaft 15 drives the winding drum 17 to rotate, so that the steel wire rope is wound on the winding drum 17. Meanwhile, the adjusting pin shaft 16 and the safety pin shaft 19 are clamped on the clamping wheel 18 to fix the position of the winding drum 17.
And II, application embodiment. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is an application example of the technical scheme of the claims to a specific product or related technology.
The embodiment of the utility model provides a pair of install the novel tower machine of column change width of cloth dolly protection device that restricts absolutely of column novel tower machine change width of cloth dolly become width of cloth dolly.
The embodiment of the utility model provides a novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device, the novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device becomes the application in the width of cloth dolly safety protection of tower machine use.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (6)
1. The utility model provides a novel tower machine of column becomes width of cloth dolly protection of restricting absolutely which characterized in that, the novel tower machine of column becomes width of cloth dolly protection of restricting absolutely is provided with:
a rope breakage protection structure;
the two rope breakage protection structures are respectively arranged on the front cross beam and the rear cross beam;
the front cross beam is provided with a wedge block, and the rear cross beam is provided with a tensioning structure;
the rope breakage protection structure is provided with a jacking stopping assembly, and the side edge of the jacking stopping assembly is provided with a rope breakage triggering assembly.
2. The rope breakage protection device for the luffing trolley of the column type novel tower crane as claimed in claim 1, wherein the number of the rope breakage trigger assemblies is two, and the rope breakage trigger assemblies are respectively installed on the front cross beam and the rear cross beam.
3. The rope breakage protection device for the luffing trolley of the column type novel tower crane as claimed in claim 1, wherein the rope breakage trigger assembly is provided with a pressing block, and the pressing block is connected with the trolley main beam through a first pin shaft and a second pin shaft respectively;
the first pin shaft is connected with a first pin through a clamping hole in a clamping manner, and the second pin shaft is connected with a second pin through a clamping hole in a clamping manner; the pressing block is pressed on the pressing plate and is fixedly connected with the steel wire rope ring.
4. The rope breakage protection device for the luffing trolley of the column tower crane according to claim 1, wherein the jacking stop assembly is provided with a base, a stop sleeve is fixed on the base through a bolt, a compression spring and a stop rod are arranged in the stop sleeve, and the stop rod is positioned at the upper part of the compression spring;
the bottom of the stop rod is provided with a pressing plate which is connected in a sliding way in a through hole, and the through hole is arranged on the side surface of the stop sleeve.
5. The rope breakage protection device for the luffing trolley of the column type novel tower crane as claimed in claim 1, wherein the tensioning structure is provided with a support frame, the support frame is provided with a winding drum through a rotating shaft, and clamping wheels are welded at the end parts of two sides of the winding drum; a pin is arranged at the end part of one side of the rotating shaft, and a rotating disc is arranged at the other side of the rotating shaft.
6. The rope breakage protection device for the luffing trolley of the column type novel tower crane as claimed in claim 5, wherein the support frame is provided with an adjusting pin shaft through an adjusting hole, and the support frame is provided with a safety pin shaft through a pin shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220687415.0U CN217126762U (en) | 2022-03-28 | 2022-03-28 | Novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220687415.0U CN217126762U (en) | 2022-03-28 | 2022-03-28 | Novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217126762U true CN217126762U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220687415.0U Active CN217126762U (en) | 2022-03-28 | 2022-03-28 | Novel tower machine of column becomes width of cloth dolly protection of restricting absolutely device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217126762U (en) |
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2022
- 2022-03-28 CN CN202220687415.0U patent/CN217126762U/en active Active
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