CN111747321A - Portable hoisting apparatus of building site - Google Patents
Portable hoisting apparatus of building site Download PDFInfo
- Publication number
- CN111747321A CN111747321A CN202010678641.8A CN202010678641A CN111747321A CN 111747321 A CN111747321 A CN 111747321A CN 202010678641 A CN202010678641 A CN 202010678641A CN 111747321 A CN111747321 A CN 111747321A
- Authority
- CN
- China
- Prior art keywords
- lifting hook
- vertical plate
- post
- construction site
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/66—Outer or upper end constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a movable hoisting device for a construction site, which comprises a vehicle body, wherein the vehicle body is arranged on a covered belt chassis, the upper end of the vehicle body is provided with a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with a connecting piece through a rotating shaft, the connecting piece is arranged on a supporting arm, the upper end of the supporting arm is provided with a pulley, the pulley is provided with a steel wire rope, one end of the steel wire rope is connected with a lifting hook through a connecting ring, the lifting hook is provided with an anti-disengaging mechanism, the anti-disengaging mechanism comprises a wedge-shaped seat, an expansion spring, an expansion guide post, a mounting seat, a limiting post and a rotating shaft, the wedge-shaped seat is connected with. According to the mobile lifting device for the construction site, the articles to be lifted are firmly hung on the lifting hook through the anti-falling mechanism, the articles are not easy to fall off from the lifting hook, the conditions of article damage and worker injury are avoided, and the mobile lifting device is safe and reliable to use.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a movable hoisting device for a construction site.
Background
Building site (construction site), cantonese term building ground, construction ground, for short ground, is a place where building projects are being developed and civil engineering is carried out, and the scope of the place is often enclosed by coamings, wire netting or enclosing walls, which limits the access of personnel, materials, machinery and vehicles.
A movable hoisting device is usually adopted for hoisting in a construction site, and hoisting equipment starts a vertical or vertical and horizontal working stroke after material is taken, unloads the material after the material reaches a destination, and then moves to a material taking place in an empty stroke to complete a working cycle, and then carries out secondary hoisting or carrying.
The portable hoisting apparatus of present building site, when it adopted the lifting hook to carry out the handling article, because do not set up corresponding anti-disengaging mechanism on the lifting hook, made article easily drop from the lifting hook, easily caused article to damage and hurt the condition emergence of staff, used unsafe and unreliable.
Disclosure of Invention
The invention aims to provide a movable hoisting device for a construction site, which can be used for firmly hanging an article to be hoisted on a lifting hook through an anti-falling mechanism, preventing the article from falling off from the lifting hook, avoiding the conditions of article damage and worker injury, ensuring safe and reliable use and solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a movable hoisting device for a construction site comprises a vehicle body, wherein the vehicle body is arranged on a covered belt chassis, a hydraulic cylinder is arranged at the upper end of the vehicle body, a piston rod of the hydraulic cylinder is connected with a connecting piece through a rotating shaft, the connecting piece is arranged on a supporting arm, a pulley is arranged at the upper end of the supporting arm, a steel wire rope is arranged on the pulley, one end of the steel wire rope is wound in a winding and unwinding machine box, the other end of the steel wire rope is tied on a connecting ring, a lifting hook is arranged on the connecting ring, and an anti-falling;
the anti-disengaging mechanism comprises a wedge-shaped seat, an expansion spring, a telescopic guide post, a mounting seat, a limiting post and a rotating shaft, wherein the wedge-shaped seat is mounted on the inner side surface of the lifting hook, the wedge-shaped seat is connected with the mounting seat through the expansion spring and the telescopic guide post, the limiting post is mounted on the mounting seat through the rotating shaft, and the limiting post is inserted into the lifting hook.
Preferably, the mounting base comprises a vertical plate A, a vertical plate B and a connecting plate which are arranged in parallel, the vertical plate A and the vertical plate B are connected through the connecting plate, and two ends of the rotating shaft are respectively mounted on the vertical plate A and the vertical plate B through bearings.
Preferably, the inner side surface of the lower end of the mounting seat is provided with a limiting block, and the limiting column is limited by the limiting block.
Preferably, a handle is arranged on the limiting column, and the limiting column moves horizontally through the handle.
Preferably, the lifting hook is provided with a limiting groove for inserting the limiting column, and the limiting groove is matched with the limiting column.
Compared with the prior art, the invention has the following beneficial effects:
the movable lifting device for the construction site has the advantages that the limit column is pushed to move through the handle, the telescopic spring and the telescopic guide column are contracted until the limit column leaves the lifting hook, the handle is released after the limit column is driven to rotate 90 degrees anticlockwise under the supporting action of the rotating shaft through the handle, an article to be lifted is hung on the lifting hook, the limit column is pushed to move through the handle, the telescopic spring and the telescopic guide column are contracted, the handle is released after the limit column is driven to rotate 90 degrees clockwise under the supporting action of the rotating shaft through the handle in the moving process of the limit column, the telescopic spring and the telescopic guide column are extended to push the limit column to be inserted into the limit groove due to the fact that the limit column is not subjected to extrusion force any more and due to the reset action of the telescopic spring, the article to be lifted is firmly hung on the lifting hook through the anti-falling mechanism and is not easy to fall off from the lifting hook, and the conditions of article damage, the use is safe and reliable.
Drawings
FIG. 1 is a schematic view of a construction site mobile lifting apparatus of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is a partial cross-sectional view of the anti-separation mechanism after the spacing post is separated from the spacing groove and rotated 90 degrees counterclockwise;
FIG. 4 is a schematic partial cross-sectional view of the anti-separation mechanism of the present invention;
FIG. 5 is a schematic view of the mounting base of the present invention mounting a position-limiting post via a rotating shaft;
fig. 6 is a schematic view of the mount of the present invention.
In the figure: 1. a vehicle body; 2. a belt-covered chassis; 3. a hydraulic cylinder; 4. a support arm; 41. a connecting member; 42. a pulley; 421. a wire rope; 5. winding and unwinding the case; 6. a connecting ring; 61. a hook; 611. a limiting groove; 7. an anti-drop mechanism; 71. a wedge seat; 72. a tension spring; 73. a telescopic guide post; 74. a mounting seat; 741. a vertical plate A; 742. a vertical plate B; 743. a connecting plate; 744. a limiting block; 75. a limiting column; 751. a handle; 8. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a mobile lifting device for construction sites comprises a vehicle body 1, the vehicle body 1 is mounted on a covering belt chassis 2, the lifting device is convenient to move through the covering belt chassis 2, the lifting device is convenient to move and use, a hydraulic cylinder 3 is mounted at the upper end of the vehicle body 1, a piston rod of the hydraulic cylinder 3 is connected with a connecting piece 41 through a rotating shaft 8, the connecting piece 41 is mounted on a supporting arm 4, a pulley 42 is mounted at the upper end of the supporting arm 4, a steel wire rope 421 is arranged on the pulley 42, one end of the steel wire rope 421 is wound in a winding and unwinding machine box 5, the other end of the steel wire rope 421 is tied on a connecting ring 6, a lifting hook 61 is arranged on the connecting ring 6, an anti-falling mechanism 7 is arranged on the lifting hook 61, an article to be lifted is firmly hung on the lifting hook 61 through the anti-, the use is safe and reliable.
Referring to fig. 3-5, the anti-slip mechanism 7 includes a wedge-shaped seat 71, a telescopic spring 72, a telescopic guide post 73, a mounting seat 74, a limit post 75 and a rotating shaft 8, the wedge-shaped seat 71 is mounted on the inner side surface of the hook 61, the wedge-shaped seat 71 is connected with the mounting seat 74 through the telescopic spring 72 and the telescopic guide post 73, the mounting seat 74 is mounted with the limit post 75 through the rotating shaft 8, the limit post 75 is provided with a handle 751, the limit post 75 horizontally moves through the handle 751, the limit post 75 is inserted into the hook 61, the hook 61 is provided with a limit groove 611 for inserting the limit post 75, the limit groove 611 is adapted to the limit post 75, the limit post 75 is pushed by the handle 751 to move, the telescopic spring 72 and the telescopic guide post 73 both contract until the limit post 75 leaves the hook 61, the handle 751 drives the limit post 75 to rotate counterclockwise by 90 degrees under the supporting action of the rotating shaft 8, the handle 751 is released, and an, promote spacing post 75 through handle 751 and remove, expanding spring 72 and flexible guide post 73 all shrink, spacing post 75 is at the in-process that removes, drive spacing post 75 through handle 751 and loosen handle 751 after 90 degrees clockwise rotation under the supporting role of pivot 8, because spacing post 75 no longer receives the extrusion force and because expanding spring 72's reset action, make expanding spring 72 and flexible guide post 73 all extend and then promote spacing post 75 and insert in spacing groove 611, the article that need the jack-up pass through anti-disengaging mechanism 7 firm hang on lifting hook 61 and make article be difficult for coming off from lifting hook 61, can not cause article damage and harm staff's the condition to take place, use safe and reliable.
Referring to fig. 6, mount pad 74 includes parallel arrangement's riser A741, riser B742 and connecting plate 743, riser A741 and riser B742 pass through connecting plate 743 and connect, the both ends of pivot 8 all install respectively on riser A741 and riser B742 through the bearing, the medial surface of mount pad 74 lower extreme is provided with stopper 744, spacing post 75 is spacing through stopper 744, it is spacing to drive spacing post 75 clockwise rotation's in-process under the supporting role of pivot 8 through handle 751, spacing post 75 carries on spacingly through stopper 744 can be fine, guarantee that spacing post 75 can be just in time inserted spacing groove 611 after clockwise rotation 90 under the supporting role of pivot 8.
The working principle is as follows: the limit post 75 is pushed to move by the handle 751, the telescopic spring 72 and the telescopic guide post 73 are contracted until the limit post 75 leaves the lifting hook 61, the handle 751 is loosened after the limit post 75 is driven by the handle 751 to rotate 90 degrees anticlockwise under the supporting action of the rotating shaft 8, an article to be hoisted is hung on the lifting hook 61, the limit post 75 is pushed to move by the handle 751, the telescopic spring 72 and the telescopic guide post 73 are contracted, the limit post 75 is driven by the handle 751 to rotate 90 degrees clockwise under the supporting action of the rotating shaft 8 in the moving process, the handle 751 is loosened, the telescopic spring 72 and the telescopic guide post 73 are extended to further push the limit post 75 to be inserted into the limit groove 611 due to the resetting action of the telescopic spring 72 because the limit post 75 is not stressed any more, the article to be hoisted is firmly hung on the lifting hook 61 by the anti-falling mechanism 7 and is not easy to fall off from the lifting hook 61, the condition that articles are damaged and workers are injured is avoided, and the use is safe and reliable.
In summary, in the mobile lifting device for construction sites of the present invention, the handle 751 pushes the limit post 75 to move, the telescopic spring 72 and the telescopic guide post 73 both contract until the limit post 75 leaves the hook 61, the handle 751 is released after the handle 751 drives the limit post 75 to rotate 90 ° counterclockwise under the supporting action of the rotating shaft 8, the handle 751 is released after the object to be lifted is hung on the hook 61, the handle 751 pushes the limit post 75 to move, the telescopic spring 72 and the telescopic guide post 73 both contract, the handle 751 drives the limit post 75 to rotate 90 ° clockwise under the supporting action of the rotating shaft 8 during the movement of the limit post 75, the handle 751 is released after the limit post 751 is released, the telescopic spring 72 and the telescopic guide post 73 both extend to push the limit post 75 to be inserted into the limit groove 611 due to the reset action of the telescopic spring 72, the object to be lifted is firmly hung on the hook 61 by the anti-slip mechanism 7, and the object is not easy to fall off from the hook 61 The condition that articles are damaged and workers are injured is avoided, and the use is safe and reliable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. A portable hoisting apparatus of building site, includes automobile body (1), its characterized in that: the vehicle body (1) is arranged on the belt covering chassis (2), the hydraulic cylinder (3) is arranged at the upper end of the vehicle body (1), a piston rod of the hydraulic cylinder (3) is connected with the connecting piece (41) through the rotating shaft (8), the connecting piece (41) is arranged on the supporting arm (4), the pulley (42) is arranged at the upper end of the supporting arm (4), the steel wire rope (421) is arranged on the pulley (42), one end of the steel wire rope (421) is wound in the winding and unwinding case (5), the other end of the steel wire rope (421) is tied on the connecting ring (6), the connecting ring (6) is provided with the lifting hook (61), and the anti-falling mechanism (7) is arranged on the lifting hook (61);
anti-disengaging mechanism (7) include wedge seat (71), expanding spring (72), flexible guide post (73), mount pad (74), spacing post (75) and pivot (8), install on the medial surface of lifting hook (61) wedge seat (71), wedge seat (71) are connected with mount pad (74) through expanding spring (72) and flexible guide post (73), spacing post (75) are installed through pivot (8) in mount pad (74), insert in lifting hook (61) spacing post (75).
2. A mobile lifting device for use on a construction site as claimed in claim 1, wherein: the mounting seat (74) comprises a vertical plate A (741), a vertical plate B (742) and a connecting plate (743) which are arranged in parallel, the vertical plate A (741) and the vertical plate B (742) are connected through the connecting plate (743), and two ends of the rotating shaft (8) are respectively mounted on the vertical plate A (741) and the vertical plate B (742) through bearings.
3. A mobile lifting device for use on a construction site as claimed in claim 1, wherein: the inner side face of the lower end of the mounting seat (74) is provided with a limiting block (744), and the limiting column (75) is limited through the limiting block (744).
4. A mobile lifting device for use on a construction site as claimed in claim 1, wherein: a handle (751) is arranged on the limiting column (75), and the limiting column (75) moves horizontally through the handle (751).
5. A mobile lifting device for use on a construction site as claimed in claim 1, wherein: the lifting hook (61) is provided with a limiting groove (611) for inserting the limiting column (75), and the limiting groove (611) is matched with the limiting column (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678641.8A CN111747321A (en) | 2020-07-15 | 2020-07-15 | Portable hoisting apparatus of building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678641.8A CN111747321A (en) | 2020-07-15 | 2020-07-15 | Portable hoisting apparatus of building site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111747321A true CN111747321A (en) | 2020-10-09 |
Family
ID=72710294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010678641.8A Pending CN111747321A (en) | 2020-07-15 | 2020-07-15 | Portable hoisting apparatus of building site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111747321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258916A (en) * | 2022-09-26 | 2022-11-01 | 山东嘉通专用汽车制造有限公司 | Automatic unhooking hook for crane |
| CN116281574A (en) * | 2023-03-07 | 2023-06-23 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000247570A (en) * | 1999-03-01 | 2000-09-12 | Hiroshi Nemoto | Hook |
| CN1950288A (en) * | 2004-04-06 | 2007-04-18 | 珀·斯维尔兰德 | A lifting hook device |
| CN203128021U (en) * | 2013-03-15 | 2013-08-14 | 黄泽浩 | Falling-preventing lifting hook |
| CN203877788U (en) * | 2014-05-23 | 2014-10-15 | 山西储备物资管理局六三九处 | Smoked sheet transfer crane |
| CN204162319U (en) * | 2014-10-10 | 2015-02-18 | 新乡市起重机厂有限公司 | High strength crane-car |
| CN205603095U (en) * | 2016-02-23 | 2016-09-28 | 成都凯天电子股份有限公司 | Engineering work crane |
| CN207404704U (en) * | 2017-09-25 | 2018-05-25 | 郭美君 | A kind of self-locking suspension hook |
| CN208856792U (en) * | 2018-08-16 | 2019-05-14 | 合肥市宏发起重机有限公司 | A kind of crane hook with anti-drop function |
| CN210767183U (en) * | 2019-08-13 | 2020-06-16 | 广州市城市排水有限公司 | Novel small-size clear grab bucket car of dredging of modularization |
| CN210763938U (en) * | 2019-11-05 | 2020-06-16 | 江苏海港成套设备安装有限公司 | Rotatory lifting hook in oil field |
-
2020
- 2020-07-15 CN CN202010678641.8A patent/CN111747321A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000247570A (en) * | 1999-03-01 | 2000-09-12 | Hiroshi Nemoto | Hook |
| CN1950288A (en) * | 2004-04-06 | 2007-04-18 | 珀·斯维尔兰德 | A lifting hook device |
| CN203128021U (en) * | 2013-03-15 | 2013-08-14 | 黄泽浩 | Falling-preventing lifting hook |
| CN203877788U (en) * | 2014-05-23 | 2014-10-15 | 山西储备物资管理局六三九处 | Smoked sheet transfer crane |
| CN204162319U (en) * | 2014-10-10 | 2015-02-18 | 新乡市起重机厂有限公司 | High strength crane-car |
| CN205603095U (en) * | 2016-02-23 | 2016-09-28 | 成都凯天电子股份有限公司 | Engineering work crane |
| CN207404704U (en) * | 2017-09-25 | 2018-05-25 | 郭美君 | A kind of self-locking suspension hook |
| CN208856792U (en) * | 2018-08-16 | 2019-05-14 | 合肥市宏发起重机有限公司 | A kind of crane hook with anti-drop function |
| CN210767183U (en) * | 2019-08-13 | 2020-06-16 | 广州市城市排水有限公司 | Novel small-size clear grab bucket car of dredging of modularization |
| CN210763938U (en) * | 2019-11-05 | 2020-06-16 | 江苏海港成套设备安装有限公司 | Rotatory lifting hook in oil field |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258916A (en) * | 2022-09-26 | 2022-11-01 | 山东嘉通专用汽车制造有限公司 | Automatic unhooking hook for crane |
| CN115258916B (en) * | 2022-09-26 | 2023-03-24 | 山东嘉通专用汽车制造有限公司 | Automatic unhooking hook for crane |
| CN116281574A (en) * | 2023-03-07 | 2023-06-23 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
| CN116281574B (en) * | 2023-03-07 | 2023-10-27 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
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Application publication date: 20201009 |
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| RJ01 | Rejection of invention patent application after publication |