CN210884920U - Anti-falling hook of tower crane - Google Patents
Anti-falling hook of tower crane Download PDFInfo
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- CN210884920U CN210884920U CN202020697091.XU CN202020697091U CN210884920U CN 210884920 U CN210884920 U CN 210884920U CN 202020697091 U CN202020697091 U CN 202020697091U CN 210884920 U CN210884920 U CN 210884920U
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- groove
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- connecting rod
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Abstract
The utility model discloses a tower crane anti-drop hook, which comprises a hook main body and a limiting hanging piece, wherein the hook main body comprises a connecting rod part and a hook part connected with the connecting rod part, a connecting strip extending along the length direction of the connecting rod part is formed on the outer side wall of the connecting rod part, a connecting groove extending along the length direction of the connecting strip is formed in the connecting strip, and limiting holes are respectively formed in the two ends of the connecting groove to the outer side; the utility model discloses a set up spacing pendant to set up the department of bending that the spread groove made spacing pendant in connecting rod portion through the pivot in the spread groove internal rotation, in order to realize the swing of spacing pendant, set up first spacing groove in couple portion inboard simultaneously, so can hang the back on couple portion at the article, make first spacing groove card keep off first bending portion through the spacing pendant of swing, prevent that first bending portion from withdrawing from couple portion inboard, can realize that first bending portion restriction article withdraws from couple portion, make the utility model discloses a couple has the anticreep function, and the anticreep is effectual.
Description
Technical Field
The utility model belongs to the technical field of the mechanical skill and specifically relates to a tower crane anticreep couple is related to.
Background
The tower crane relates to the couple in the use, and current couple has the suspension effect usually for hang and remove some large-scale articles, but these couples do not have the anticreep effect, and the easy thing condition that drops that leads to the thing condition because of the couple sways that appears at the in-process that removes the thing like this makes the thing appear damaging.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a tower crane anticreep couple firm, that the anticreep is effectual.
In order to achieve the above purpose, the utility model provides a scheme does: a tower crane anti-falling hook comprises a hook main body and a limiting hanging piece, wherein the hook main body comprises a connecting rod part and a hook part connected with the connecting rod part, a connecting strip extending along the length direction of the connecting rod part is formed on the outer side wall of the connecting rod part, a connecting groove extending along the length direction of the connecting strip is formed in the connecting strip, limiting holes are formed in the two ends of the connecting groove respectively in the outer side, and a first limiting groove is formed in the inner side edge of the hook part close to the hook end; the limiting hanging piece is bent to form a first bending part and a second bending part, the second bending part is sleeved on the connecting rod part, meanwhile, a shaft sleeve used for installing a rotating shaft is formed at the bending part of the limiting hanging piece, and the rotating shaft penetrates through the connecting groove so that the limiting hanging piece and the connecting groove are matched to form sliding connection; when the first bending part swings to the first limiting groove, the first bending part is blocked by the first limiting groove.
The utility model has the advantages that: the hook has the anti-falling function and good effect, the utility model discloses a set up spacing pendant, and set up the spread groove on the connecting rod portion and make the bending point of spacing pendant rotate in the spread groove through the pivot, in order to realize the swing of spacing pendant, set up the first spacing groove in the hook portion inboard simultaneously, so can after the article is hung on the hook portion, make the first spacing groove block the first bending portion through swinging spacing pendant, prevent the first bending portion from withdrawing from the hook portion inboard, can realize that the first bending portion restricts the article and withdraw from the hook portion, make the utility model discloses a hook has the anti-falling function, and the anti-falling is effectual; establish spacing hole through adding in addition, before first spacing groove and first portion of bending block mutually, move spacing pendant and pivot earlier to spacing hole in, so further strengthen the fastness of blocking between first spacing groove and the first portion of bending, improve the anticreep effect.
Further, still include fixed hoop cover, it has the second spacing groove to open on the connecting rod portion lateral wall, the second spacing groove is located same horizontal plane with the spacing hole of bottom, fixed hoop cover passes the spread groove, and fixed hoop cover suit in on the second spacing groove, be used for when the pivot is located spacing hole, fixed hoop cover contradicts the roof pressure pivot and prevents that the pivot from withdrawing from spacing hole. The utility model adopts the above structure after, through setting up fixed hoop cover to cooperation second spacing groove can be fixed in the pivot spacing downthehole pivot that prevents slide at will on the spread groove, thereby drives spacing pendant and slides.
Furthermore, two ends of the fixed hoop sleeve are locked through screws.
The barb is formed on the outer side wall of the hook portion, the opening of the barb faces outwards to allow the second bending portion to be inserted, and meanwhile, the barb is provided with a threaded hole for fixing the second bending portion through screws after the second bending portion is inserted into the barb. The utility model adopts the above structure after, through setting up the screw hole to back in the barb is inserted to the portion of bending of second, twist the screw hole with the screw after, the screw continues to advance until the lateral wall of conflict roof pressure couple portion, realizes keeping off the portion of bending of second through the screw card, can prevent that the portion of bending of second from withdrawing from.
Further, an included angle formed between the first bending portion and the second bending portion is an acute angle.
Drawings
Fig. 1 is a side view (normal state) of the overall structure of the present invention.
Fig. 2 is a side view of the whole structure of the present invention (a swing process diagram of the limit suspension member).
Fig. 3 is a side view (working state) of the overall structure of the first embodiment of the present invention.
Fig. 4 is a side view (working state) of the overall structure of the second embodiment of the present invention.
Fig. 5 is a side view (working state) of the overall structure of the third embodiment of the present invention.
Fig. 6 is a top view of the limiting suspension member of the present invention.
Wherein, 11 is the connecting rod portion, 111 is the connecting strip, 112 is the spread groove, 113 is spacing hole, 114 is the second spacing groove, 12 is couple portion, 121 is first spacing groove, 122 is the barb, 21 is first bending portion, 22 is the second bending portion, 23 is the axle sleeve, 24 is the pivot, 3 is fixed hoop cover.
Detailed Description
The invention will be further described with reference to the following specific embodiments:
the first embodiment is as follows:
referring to fig. 1 to 3 and 6, the anti-drop hook for the tower crane comprises a hook main body and a limiting hanger, wherein the hook main body comprises a connecting rod part 11 and a hook part 12 connected with the connecting rod part 11, a connecting strip 111 extending along the length direction of the connecting rod part 11 is formed on the outer side wall of the connecting rod part 11, a connecting groove 112 extending along the length direction of the connecting strip 111 is formed in the connecting strip 111, two ends of the connecting groove 112 are respectively provided with a limiting hole 113 outwards, and a first limiting groove 121 is formed at the inner side edge of the hook part 12 close to the hook end; the limiting hanging piece is bent to form a first bending portion 21 and a second bending portion 22, the second bending portion 22 is sleeved on the connecting rod portion 11, an included angle formed between the first bending portion 21 and the second bending portion 22 is an acute angle, meanwhile, a shaft sleeve 23 used for installing a rotating shaft 24 is formed at the bending portion of the limiting hanging piece, and the rotating shaft 24 penetrates through the connecting groove 112 so that the limiting hanging piece and the connecting groove 112 are matched to form sliding connection; when the first bending portion 21 swings into the first limiting groove 121, the first bending portion 21 is blocked by the first limiting groove 121.
After the shaft sleeve 23 is provided with the rotating shaft 24, the rotating shaft 24 penetrates through the connecting groove 112, and then two nuts are respectively in threaded connection with two ends of the rotating shaft 24, so that two ends of the rotating shaft 24 are limited, and the limiting hanging piece is arranged on the hook main body.
The specific use process of the embodiment is as follows: firstly, an object is hung in the hook part 12, the rotating shaft 24 is located at the bottom end of the connecting groove 112, but at this time, if the limiting hanging piece directly swings, the object hung on the hook part 12 blocks the swing of the first bending part 21, so that the rotating shaft 24 slides upwards in the connecting groove 112 to drive the whole limiting hanging piece to move upwards, until the whole limiting hanging piece moves upwards to a set height, the first bending part 21 is swung to enable the first bending part 21 to gradually approach the first limiting groove 121, and the limiting hanging piece synchronously descends in the swinging process of the first bending part 21; when the end of the first bending portion 21 just enters the first limiting groove 121, the rotating shaft 24 returns to the bottom end of the connecting groove 112, and finally the rotating shaft 24 is pushed into the limiting hole 113, so that the end of the first bending portion 21 completely enters the first limiting groove 121, and the end of the first bending portion 21 can be prevented from exiting the first limiting groove 121, and thus the first bending portion 21 blocks an object when the hook body swings, and the object is prevented from exiting the hook portion 12, so that the hook of the embodiment has an anti-falling function.
Example two:
referring to fig. 4 and 6, the anti-drop hook for the tower crane comprises a hook main body, a limiting hanging piece and a fixed hoop 3, wherein the hook main body comprises a connecting rod part 11 and a hook part 12 connected with the connecting rod part 11, a connecting strip 111 extending along the length direction of the connecting rod part 11 is formed on the outer side wall of the connecting rod part 11, a connecting groove 112 extending along the length direction of the connecting strip 111 is formed in the connecting strip 111, two ends of the connecting groove 112 are respectively provided with a limiting hole 113 towards the outer side, and a first limiting groove 121 is formed at the inner side edge of the hook part 12 close to the hook end; the limiting hanging piece is bent to form a first bending portion 21 and a second bending portion 22, the second bending portion 22 is sleeved on the connecting rod portion 11, an included angle formed between the first bending portion 21 and the second bending portion 22 is an acute angle, meanwhile, a shaft sleeve 23 used for installing a rotating shaft 24 is formed at the bending portion of the limiting hanging piece, and the rotating shaft 24 penetrates through the connecting groove 112 so that the limiting hanging piece and the connecting groove 112 are matched to form sliding connection; when the first bending portion 21 swings into the first limiting groove 121, the first bending portion 21 is blocked by the first limiting groove 121; a second limiting groove 114 is formed in the outer side wall of the connecting rod part 11, the second limiting groove 114 and the limiting hole 113 at the bottom end are located on the same horizontal plane, the fixed hoop 3 penetrates through the connecting groove 112, and the fixed hoop 3 is sleeved on the second limiting groove 114 and used for abutting against the rotating shaft 24 and pressing the rotating shaft 24 to prevent the rotating shaft 24 from withdrawing from the limiting hole 113 when the rotating shaft 24 is located in the limiting hole 113; the two ends of the fixed hoop sleeve 3 are locked by screws.
After the shaft sleeve 23 is provided with the rotating shaft 24, the rotating shaft 24 penetrates through the connecting groove 112, and then two nuts are respectively in threaded connection with two ends of the rotating shaft 24, so that two ends of the rotating shaft 24 are limited, and the limiting hanging piece is arranged on the hook main body.
The specific use process of the embodiment is as follows: firstly, an object is hung in the hook part 12, the rotating shaft 24 is located at the bottom end of the connecting groove 112, but at this time, if the limiting hanging piece directly swings, the object hung on the hook part 12 blocks the swing of the first bending part 21, so that the rotating shaft 24 slides upwards in the connecting groove 112 to drive the whole limiting hanging piece to move upwards, until the whole limiting hanging piece moves upwards to a set height, the first bending part 21 is swung to enable the first bending part 21 to gradually approach the first limiting groove 121, and the limiting hanging piece synchronously descends in the swinging process of the first bending part 21; when the end of the first bending portion 21 just enters the first limiting groove 121, the rotating shaft 24 returns to the bottom end of the connecting groove 112 again, and the rotating shaft 24 is pushed into the limiting hole 113, so that the end of the first bending portion 21 completely enters the first limiting groove 121; at last, the fixed hoop 3 firstly passes through the connecting groove 112 and abuts against the bending part of the top pressure limiting hanging piece, then the fixed hoop 3 is sleeved in the second limiting groove 114, the two ends of the fixed hoop 3 are locked through screws, the top pressure limiting hanging piece is abutted while the fixed hoop 3 is fixed on the connecting rod part 11, so that the rotating shaft 24 is prevented from exiting from the limiting hole 113, the swinging of the limiting hanging piece caused by the swinging of the hook main body can be prevented, the end part of the first bending part 21 exits from the first limiting groove 121, the stability of the limiting hanging piece is further enhanced, and the anti-falling function of the hook in the embodiment is improved.
Example three:
referring to fig. 5 to 6, the anti-drop hook for the tower crane comprises a hook main body, a limiting hanger and a barb 122, wherein the hook main body comprises a connecting rod part 11 and a hook part 12 connected with the connecting rod part 11, a connecting strip 111 extending along the length direction of the connecting rod part 11 is formed on the outer side wall of the connecting rod part 11, a connecting groove 112 extending along the length direction of the connecting strip 111 is formed in the connecting strip 111, limiting holes 113 are respectively formed at two ends of the connecting groove 112 outwards, and a first limiting groove 121 is formed at the inner side edge of the hook part 12 close to the hook end; the limiting hanging piece is bent to form a first bending portion 21 and a second bending portion 22, the second bending portion 22 is sleeved on the connecting rod portion 11, an included angle formed between the first bending portion 21 and the second bending portion 22 is an acute angle, meanwhile, a shaft sleeve 23 used for installing a rotating shaft 24 is formed at the bending portion of the limiting hanging piece, and the rotating shaft 24 penetrates through the connecting groove 112 so that the limiting hanging piece and the connecting groove 112 are matched to form sliding connection; when the first bending portion 21 swings into the first limiting groove 121, the first bending portion 21 is blocked by the first limiting groove 121; the barb 122 is formed on the outer side wall of the hook portion 12, and the opening of the barb 122 faces outward for the second bending portion 22 to insert, and the barb 122 is provided with a threaded hole for fixing the second bending portion 22 by screws after the second bending portion 22 swings into the barb 122.
After the shaft sleeve 23 is provided with the rotating shaft 24, the rotating shaft 24 penetrates through the connecting groove 112, and then two nuts are respectively in threaded connection with two ends of the rotating shaft 24, so that two ends of the rotating shaft 24 are limited, and the limiting hanging piece is arranged on the hook main body.
The specific use process of the embodiment is as follows: firstly, an object is hung in the hook part 12, the rotating shaft 24 is located at the bottom end of the connecting groove 112, but at this time, if the limiting hanging piece directly swings, the object hung on the hook part 12 blocks the swing of the first bending part 21, so the rotating shaft 24 slides upwards in the connecting groove 112 to drive the whole limiting hanging piece to move upwards, until the whole limiting hanging piece moves upwards to a set height, the first bending part 21 is swung to enable the first bending part 21 to gradually approach the first limiting groove 121, the limiting hanging piece synchronously descends in the swinging process of the first bending part 21, and the second bending part 22 swings in the same direction along with the first bending part 21; when the end of the first bending portion 21 just enters the first limiting groove 121, the rotating shaft 24 returns to the bottom end of the connecting groove 112 again, and the end of the second bending portion 22 is located near the opening of the barb 122; finally, the rotating shaft 24 is pushed into the limiting hole 113, so that the end of the first bending portion 21 completely enters the first limiting groove 121, the end of the second bending portion 22 completely enters the barb 122, the screw is screwed into the threaded hole until the screw abuts against and presses the outer side wall of the hook portion 12, and then the end of the second bending portion 22 can be fixed in the barb 122, so that the limiting hanger can be prevented from swinging, the end of the first bending portion 21 is led to exit from the first limiting groove 121, the first bending portion 21 blocks an object when the hook body swings, the object is prevented from exiting from the hook portion 12, and the anti-falling function of the hook of the embodiment is improved.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (5)
1. The utility model provides a tower crane anticreep couple which characterized in that: the hook comprises a hook main body and a limiting hanging piece, wherein the hook main body comprises a connecting rod part (11) and a hook part (12) connected with the connecting rod part (11), a connecting strip (111) extending along the length direction of the connecting rod part (11) is formed on the outer side wall of the connecting rod part (11), a connecting groove (112) extending along the length direction of the connecting strip (111) is formed in the connecting strip (111), limiting holes (113) are respectively formed in the outer sides of two ends of the connecting groove (112), and a first limiting groove (121) is formed in the inner side edge of the hook part (12) close to the hook end; the limiting hanging piece is bent to form a first bending part (21) and a second bending part (22), the second bending part (22) is sleeved on the connecting rod part (11), meanwhile, a shaft sleeve (23) used for installing a rotating shaft (24) is formed at the bending part of the limiting hanging piece, and the rotating shaft (24) penetrates through the connecting groove (112) so that the limiting hanging piece and the connecting groove (112) are matched to form sliding connection; when the first bending part (21) swings into the first limiting groove (121), the first bending part (21) is blocked by the first limiting groove (121).
2. The tower crane anti-drop hook according to claim 1, characterized in that: still including fixed hoop (3), it has second spacing groove (114) to open on connecting rod portion (11) lateral wall, second spacing groove (114) are located same horizontal plane with spacing hole (113) of bottom, fixed hoop (3) pass spread groove (112), and fixed hoop (3) suit in on second spacing groove (114), be used for when pivot (24) are located spacing hole (113), fixed hoop (3) are contradicted roof pressure pivot (24) and are prevented that pivot (24) from withdrawing from spacing hole (113).
3. The tower crane anti-drop hook according to claim 2, characterized in that: and two ends of the fixed hoop sleeve (3) are locked through screws.
4. The tower crane anti-drop hook according to claim 1, characterized in that: the hook is characterized by further comprising a barb (122), wherein the barb (122) is formed on the outer side wall of the hook part (12), the opening of the barb (122) faces outwards to allow the second bending part (22) to be inserted, and meanwhile, a threaded hole is formed in the barb (122) and used for fixing the second bending part (22) through screws after the second bending part (22) is placed into the barb (122).
5. The tower crane anti-drop hook according to claim 1, characterized in that: the included angle formed between the first bending part (21) and the second bending part (22) is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697091.XU CN210884920U (en) | 2020-04-30 | 2020-04-30 | Anti-falling hook of tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697091.XU CN210884920U (en) | 2020-04-30 | 2020-04-30 | Anti-falling hook of tower crane |
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| Publication Number | Publication Date |
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| CN210884920U true CN210884920U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020697091.XU Active CN210884920U (en) | 2020-04-30 | 2020-04-30 | Anti-falling hook of tower crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876237A (en) * | 2022-06-15 | 2022-08-09 | 甘肃省安装建设集团有限公司 | Typhoon-proof reinforced structure for mobile building house |
-
2020
- 2020-04-30 CN CN202020697091.XU patent/CN210884920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876237A (en) * | 2022-06-15 | 2022-08-09 | 甘肃省安装建设集团有限公司 | Typhoon-proof reinforced structure for mobile building house |
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