CN111908356A - Retractable's construction tower crane arm - Google Patents
Retractable's construction tower crane arm Download PDFInfo
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- CN111908356A CN111908356A CN202010749528.4A CN202010749528A CN111908356A CN 111908356 A CN111908356 A CN 111908356A CN 202010749528 A CN202010749528 A CN 202010749528A CN 111908356 A CN111908356 A CN 111908356A
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- block
- telescopic
- arm
- movable
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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
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
Abstract
The invention discloses a telescopic construction tower suspension arm, which can realize the telescopic function of the construction tower suspension arm through the movable arrangement of an arm body main body and a telescopic arm and through the arrangement of a first telescopic rod and a second telescopic rod, can telescopically adjust the length of the suspension arm, is more convenient than the traditional construction and construction when the construction and construction work is carried out on the tower arm of a construction tower, can adjust the construction tower suspension arm according to the field construction condition, improves the construction efficiency, can ensure the structural strength of the arm body of the suspension arm when the suspension arm is telescopically adjusted through connecting a first reinforcing rod, a second reinforcing rod and a strengthening and fixing mechanism on a support rod, and further can telescopically adjust the suspension arm while ensuring the strength quality of the suspension arm, thereby ensuring the use quality and the engineering construction quality of the suspension arm.
Description
Technical Field
The invention relates to the technical field of building construction towers, in particular to a telescopic construction tower suspension arm.
Background
Tower cranes (tower cranes) are called tower cranes for short, and originate from western europe; a rotating crane with a movable arm arranged at the upper part of the high tower body; the working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction; the device consists of a metal structure, a working mechanism and an electric system; the metal structure comprises a tower body, a movable arm, a base and the like; the working mechanism has four parts of lifting, amplitude variation, rotation and walking; the electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like; the tower crane is the first-choice hoisting and transporting equipment for high-rise and super high-rise building construction, the reasonable arrangement and positioning of the tower crane in the engineering construction are of great importance to the construction period and the production efficiency, the tower crane is one of the core contents in the construction and deployment stage, and the tower crane is divided into an upper rotary type and a lower rotary type.
For the tower crane boom in the prior art, on one hand, when the tower crane boom is built, the tower crane is forced to be integrally built and installed, the building of the tower crane boom is very troublesome due to the fact that the boom body is huge, on the other hand, when the tower crane boom is built, the tower crane boom is required to be built according to actual construction conditions, the boom body is generally integrally built, the length of the boom body is fixed, the boom body cannot be adjusted according to actual field requirements, and further actual construction requirements cannot be met.
Disclosure of Invention
The invention aims to provide a telescopic construction tower boom to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a telescopic construction tower suspension arm comprises an arm body main body, a triangular slideway, a telescopic arm and a strengthening and fixing mechanism;
a triangular slide way is arranged in the arm body main body, through grooves are equidistantly arranged on the sides of the triangular slide way, grooves are formed in the through grooves, and a fixed disc is welded at one end of the arm body main body;
a telescopic arm is movably connected in the triangular slideway, one end of the telescopic arm is connected with a first telescopic rod, and the other end of the first telescopic rod penetrates through the fixed disc;
the supporting rods are movably connected in the grooves, the supporting rods are connected through first reinforcing rods, the first reinforcing rods are equidistantly arranged on the supporting rods, one ends of the supporting rods are connected with second telescopic rods, the other ends of the second telescopic rods penetrate through the fixed disc, and the first reinforcing rods are movably connected in the through grooves;
also connect the setting through the second gusset bar between the bracing piece to the second gusset bar equidistance sets up on the bracing piece, and the bracing piece is connected fixedly through reinforceing fixed establishment with flexible arm, and reinforces the fixed establishment equidistance and sets up between bracing piece and flexible arm.
Preferably, the reinforced fixing mechanism comprises a first connecting block, a second connecting block, a rotary round block, an arc-shaped rack, an arc-shaped extrusion groove, a transmission rack, a locking clamping groove, a knob, a movable extrusion block, an extrusion chute, an inserting strip, a limiting lug, an inserting groove, a movable clamping block, an arc-shaped elastic sheet, a movable rod and a T-shaped movable block, wherein the first connecting block is arranged on the telescopic arm at an integral forming equal distance, the second connecting block is arranged on the supporting rod at an integral forming equal distance, a rotating shaft is arranged in the first connecting block in a penetrating manner, one end of the rotary round block and one end of the rotating shaft are symmetrically sleeved with the knob, the arc-shaped rack is arranged on one side of the rotary round block, the arc-shaped extrusion groove is arranged on the other side of the rotary round block, the transmission rack is arranged in a meshing manner, a first return spring is, the side of the locking clamping groove is provided with a square groove in a penetrating way, a movable extrusion block is movably connected and arranged in the arc extrusion groove, an extrusion chute is arranged in the movable extrusion block, one end of the movable extrusion block is connected and provided with a second reset spring, the extrusion chute is movably provided with an inserting strip, the side of the inserting strip is symmetrically provided with a limit lug, the limit lug is connected and provided with a third reset spring, the other end of the inserting strip is also provided with a locking clamping groove, the second connecting block is symmetrically provided with an inserting groove, one side of the inserting groove is movably connected and provided with a movable clamping block, one end of the movable clamping block is symmetrically connected and provided with an arc elastic sheet, the other end of the movable clamping block is provided with a slope, the other side of the inserting groove is movably connected and provided with a movable rod, the movable rod is symmetrically arranged on the T, and one end of the T-shaped movable block is connected with a fourth return spring.
Preferably, the second connecting block and the first connecting block are arranged at the corresponding positions and have the same number of groups.
Preferably, the transmission rack corresponds to the arc-shaped rack and the rotating round block in arrangement position and is the same in arrangement number, and the transmission rack and the arc-shaped rack have the same tooth form angle coefficient and modulus.
Preferably, the cross section of the movable clamping block is the same as that of the notch of the locking clamping groove, namely the cross sections of the movable clamping block and the locking clamping groove are equal in length and width.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tower crane boom, the boom body and the telescopic boom are movably arranged, and the first telescopic link and the second telescopic link are arranged, so that the telescopic function of the tower crane boom can be realized, the length of the boom can be telescopically adjusted, and further, when the tower crane boom of a construction tower is constructed, the construction is more convenient and less than the traditional construction, the labor workload is reduced, the tower crane boom can be adjusted according to the field construction condition, the construction efficiency is improved, and the construction quality is ensured;
2. the first reinforcing rod and the second reinforcing rod are connected to the supporting rod, the reinforcing fixing mechanisms are arranged on the telescopic arm and the supporting rod, when the suspension arm is telescopically adjusted, the structural strength of the arm body of the suspension arm can be guaranteed, and therefore the self strength quality of the suspension arm is guaranteed, and meanwhile the function of telescopic adjustment can be carried out on the suspension arm, so that the use quality and the engineering construction quality of the suspension arm are guaranteed.
Drawings
FIG. 1 is a top view of a connection structure according to the present invention;
FIG. 2 is a bottom view of the connection structure of the present invention;
FIG. 3 is a schematic view of the structural connection between the main body and the telescopic arm according to the present invention;
FIG. 4 is a partially enlarged view of the connection structure of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of a portion of the connection structure of FIG. 1 according to the present invention;
FIG. 6 is a partial right side sectional view of the fastening mechanism of the present invention;
FIG. 7 is an enlarged view of a portion of the connection structure of FIG. 6 according to the present invention;
FIG. 8 is a partial left side sectional view of the connection structure of the reinforcing fixing mechanism of the present invention;
FIG. 9 is an enlarged view of a portion of the connection structure of FIG. 8 according to the present invention;
fig. 10 is a partial sectional view of the rear side of the connection structure of the reinforcing fixture according to the present invention.
In the figure: arm body main part 1, triangle-shaped slide 2, logical groove 3, recess 4, flexible arm 5, first telescopic link 6, first reinforcing rod 7, bracing piece 8, second telescopic link 9, second reinforcing rod 10, strengthen fixed establishment 11, first connecting block 1101, second connecting block 1102, rotate circle piece 1103, arc-shaped rack 1104, arc extrusion groove 1105, driving rack 1106, locking draw-in groove 1107, knob 1108, activity extrusion piece 1109, extrusion chute 1110, cutting 1111, spacing lug 1112, slot 1113, activity fixture block 1114, arc elastic sheet 1115, movable rod 1116, T type movable block 1117.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the invention relates to a telescopic construction tower suspension arm, which comprises an arm body main body 1, a triangular slideway 2, a telescopic arm 5 and a strengthening and fixing mechanism 11;
a triangular slideway 2 is arranged in the arm body main body 1, through grooves 3 are equidistantly arranged on the sides of the triangular slideway 2, grooves 4 are arranged in the through grooves 3, and a fixed disc is welded at one end of the arm body main body 1;
a telescopic arm 5 is movably connected in the triangular slideway 2, one end of the telescopic arm 5 is connected with a first telescopic rod 6, and the other end of the first telescopic rod 6 is arranged in the fixed disc in a penetrating way;
the supporting rods 8 are movably connected in the groove 4, the supporting rods 8 are connected through the first reinforcing rods 7, the first reinforcing rods 7 are arranged on the supporting rods 8 at equal intervals, one end of each supporting rod 8 is connected with the second telescopic rod 9, the other end of each second telescopic rod 9 penetrates through the fixed disc, and the first reinforcing rods 7 are movably connected in the through grooves 3;
the support rods 8 are also connected and arranged through second reinforcing rods 10, the second reinforcing rods 10 are equidistantly arranged on the support rods 8, the support rods 8 and the telescopic arms 5 are fixedly connected through reinforcing fixing mechanisms 11, and the reinforcing fixing mechanisms 11 are equidistantly arranged between the support rods 8 and the telescopic arms 5.
Further, the second connection block 1102 corresponds to the first connection block 1101 in both arrangement positions and is provided with the same number of groups.
Furthermore, the driving rack 1106 corresponds to the arc-shaped rack 1104 and the rotating round block 1103 in arrangement position, and the arrangement number is the same, and the tooth form angle coefficient and the modulus of the driving rack 1106 are the same as those of the arc-shaped rack 1104.
Further, the reinforced fixing mechanism 11 includes a first connecting block 1101, a second connecting block 1102, a rotating round block 1103, an arc-shaped rack 1104, an arc-shaped extrusion groove 1105, a transmission rack 1106, a locking slot 1107, a knob 1108, a movable extrusion block 1109, an extrusion chute 1110, a slip 1111, a limit bump 1112, a slot 1113, a movable fixture block 1114, an arc-shaped elastic piece 1115, a movable rod 1116, a T-shaped movable block 1117, the first connecting block 1101 is integrally formed and equidistantly arranged on the telescopic arm 5, the second connecting block 1102 is integrally formed and equidistantly arranged on the support rod 8, a rotating shaft penetrates through the first connecting block 1101, the rotating round block 1103 is symmetrically sleeved on the rotating shaft, the knob 1108 is integrally formed at one end of the rotating round block 1103, the arc-shaped rack 1104 is arranged at one side of the rotating round block, the arc-shaped extrusion groove 1105 is arranged at the other side of the rotating round block 1103, the transmission rack 1106 is arranged in meshing connection with the arc-shaped rack, The other end is provided with a locking slot 1107 in a penetrating manner, the edge side of the locking slot 1107 is provided with a square groove in a penetrating manner, a movable extrusion block 1109 is movably connected in the arc extrusion groove 1105, an extrusion chute 1110 is arranged in the movable extrusion block 1109, one end of the movable extrusion block 1109 is connected with a second return spring, an insertion strip 1111 is movably arranged in the extrusion chute 1110, a limit bump 1112 is symmetrically arranged on the edge side of the insertion strip 1111, a third return spring is connected on the limit bump 1112, the other end of the insertion strip 1111 is also provided with a locking slot 1107, slots 1113 are symmetrically arranged in the second connecting block 1102, one edge side of each slot 1113 is movably connected with a movable fixture block 1114, one end of each movable fixture block 1114 is symmetrically connected with an arc elastic piece 1115, the other end of each movable fixture block is provided with a slope, the other edge side of each slot 1113 is movably connected with a movable rod 1116, the T-shaped movable block 1117 is movably connected and arranged in the second connecting block 1102, and one end of the T-shaped movable block 1117 is connected and provided with a fourth return spring.
Furthermore, the section shape of the movable clamping block 1114 is the same as the section shape of the notch of the locking clamping groove 1107, namely the sections of the movable clamping block and the locking clamping groove are equal in length and width.
The working principle is as follows: in the construction tower boom provided by the invention, during the adjustment of the boom according to the actual construction conditions, the telescopic boom 5 and the support rod 8 are respectively pushed by the arranged first telescopic rod 6 and the second telescopic rod 9, the telescopic adjustment can be carried out according to the actual requirements, in the process, the overall length of the boom is changed by the telescopic boom 5, the support rod 8 is fixedly connected with the first reinforcing rod 7 and the second reinforcing rod 10, the fixed connection between the support rod 8 and the telescopic boom 5 is strengthened by the strengthening and fixing mechanism 11, the connection degree of the support rod 8 and the telescopic boom 5 can be strengthened, the strength requirement of the boom body during the telescopic operation is further ensured, in the process, the first telescopic rod 6 is started to push the telescopic boom 5, then the second telescopic rod 9 is started to push the support rod 8 to move to the position with the same length as the telescopic boom 5, the second connecting block 1102 arranged on the support rod 8 reaches the position 1101 of the first connecting block on the telescopic boom 5, then, the knob 1108 is rotated, the rotation of the rotating circular block 1103 is driven along with the rotation of the knob 1108, the rotating circular block 1103 drives the arc-shaped rack 1104 at one side to transmit with the transmission rack 1106, so that the transmission rack 1106 is inserted into the slot 1113 of the second connecting block 1102, the arc-shaped extrusion slot 1105 at the other side of the rotating circular block 1103 extrudes the movable extrusion block 1109, so that the extrusion chute 1110 arranged in the movable extrusion block 1109 extrudes the insert 1111 to drive the insert 1111 to be inserted into the slot 1113 of the second connecting block 1102, and when the insert 1111 is inserted into the slot 1113, the locking slots 1107 arranged on the transmission rack 1106 and the insert 1111 reach the position of the movable clamping block 1114, the movable clamping block 1114 is clamped in the locking slot 1107 under the action of the arc-shaped elastic piece 1115, so that the connection between the first connecting block 1101 and the second connecting block 1102 is fixed, and when the first connecting block 1101, the second connecting block 1102 need to be released, When the second connecting block 1102 is fixed, the T-shaped movable block 1117 is only needed to be pressed, the T-shaped movable block 1117 drives the movable rod 1116 to extrude the movable clamping block 1114 clamped in the locking clamping groove 1107, the movable clamping block is extruded out of the locking clamping groove 1107, and then the knob 1108 is rotated reversely, so that the telescopic function of the tower crane boom can be realized through the movable arrangement of the boom body 1 and the telescopic boom 5 and the arrangement of the first telescopic rod 6 and the second telescopic rod 9, the length of the boom can be telescopically adjusted, and further, when the tower crane boom of the construction tower is constructed, the construction is more convenient than that of the prior art, the labor workload is reduced, the tower crane boom can be adjusted according to the field construction condition, the construction efficiency is improved, and the construction quality is ensured; through connecting first stiffener 7, the second stiffener 10 that sets up on bracing piece 8, be provided with between flexible arm 5 and the bracing piece 8 and strengthen fixed establishment 11, when carrying out flexible regulation to the davit, can guarantee the structural strength of its arm body, and then when guaranteeing davit self intensity quality, to its function that can carry out flexible regulation to guarantee the service quality and the engineering construction quality of davit.
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. The utility model provides a construction tower davit of retractable which characterized in that: comprises an arm body main body (1), a triangular slideway (2), a telescopic arm (5) and a strengthening and fixing mechanism (11);
a triangular slide way (2) is arranged in the arm body main body (1), through grooves (3) are equidistantly arranged on the side of the triangular slide way (2), a groove (4) is arranged in each through groove (3), and a fixed disc is welded at one end of the arm body main body (1);
a telescopic arm (5) is movably connected in the triangular slideway (2), one end of the telescopic arm (5) is connected with a first telescopic rod (6), and the other end of the first telescopic rod (6) penetrates through the fixed disc;
the supporting rods (8) are movably connected and arranged in the grooves (4), the supporting rods (8) are connected and arranged through first reinforcing rods (7), the first reinforcing rods (7) are equidistantly arranged on the supporting rods (8), one ends of the supporting rods (8) are connected and arranged with second telescopic rods (9), the other ends of the second telescopic rods (9) penetrate through the fixed disc, and the first reinforcing rods (7) are movably connected and arranged in the through grooves (3);
also connect the setting through second stiffening rod (10) between bracing piece (8) to second stiffening rod (10) equidistance sets up on bracing piece (8), and bracing piece (8) are connected fixedly through reinforceing fixed establishment (11) with flexible arm (5), and reinforce fixed establishment (11) equidistance and set up between bracing piece (8) and flexible arm (5).
2. The telescopic construction tower boom as claimed in claim 1, wherein: strengthen fixed establishment (11) and include first connecting block (1101), second connecting block (1102), rotate circle piece (1103), arc rack (1104), arc extrusion groove (1105), driving rack (1106), locking draw-in groove (1107), knob (1108), activity extrusion piece (1109), extrusion chute (1110), cutting (1111), spacing lug (1112), slot (1113), activity fixture block (1114), arc elastic sheet (1115), movable rod (1116), T type movable block (1117), first connecting block (1101) integrated into one piece equidistance sets up on telescopic arm (5), second connecting block (1102) integrated into one piece equidistance sets up on bracing piece (8), run through in first connecting block (1101) and be provided with the pivot, the symmetry cup joints in the pivot and is provided with and rotates circle piece (1103), the one end integrated into one piece of pivot is provided with knob (1108), one side of rotating circle piece (1103) is provided with arc rack (1104), The other side is provided with an arc-shaped extrusion groove (1105), the arc-shaped rack (1104) is meshed and connected with a transmission rack (1106), one end of the transmission rack (1106) is connected with a first reset spring, the other end of the transmission rack is provided with a locking clamping groove (1107) in a penetrating manner, the lateral side of the locking clamping groove (1107) is provided with a square groove in a penetrating manner, a movable extrusion block (1109) is movably connected in the arc-shaped extrusion groove (1105), an extrusion chute (1110) is arranged in the movable extrusion block (1109), a second reset spring is connected at one end of the movable extrusion block (1109), an inserting strip (1111) is movably arranged in the extrusion chute (1110), a limiting convex block (1112) is symmetrically arranged at the lateral side of the inserting strip (1111), a third reset spring is connected on the limiting convex block (1112), a locking clamping groove (1107) is also arranged at the other end of the inserting strip (1111), and an inserting groove (, one side swing joint of slot (1113) is provided with activity fixture block (1114), the one end symmetric connection of activity fixture block (1114) is provided with arc elastic strip (1115), the other end is provided with the slope, the other avris swing joint of slot (1113) is provided with movable rod (1116), movable rod (1116) symmetry sets up on T type movable block (1117), and T type movable block (1117) swing joint sets up in second connecting block (1102) to the one end connection of T type movable block (1117) is provided with fourth reset spring.
3. The telescopic construction tower boom as claimed in claim 2, wherein: the second connecting block (1102) and the first connecting block (1101) are corresponding in arrangement position and identical in arrangement group number.
4. The telescopic construction tower boom as claimed in claim 2, wherein: the transmission rack (1106) corresponds to the arc rack (1104) and the rotating round block (1103) in arrangement position and is identical in arrangement number, and the tooth form angle coefficient and the modulus of the transmission rack (1106) and the arc rack (1104) are identical.
5. The telescopic construction tower boom as claimed in claim 2, wherein: the cross section of the movable clamping block (1114) is the same as that of the notch of the locking clamping groove (1107), namely the cross sections of the movable clamping block and the locking clamping groove are equal in length and width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749528.4A CN111908356B (en) | 2020-07-30 | 2020-07-30 | Retractable's construction tower crane arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749528.4A CN111908356B (en) | 2020-07-30 | 2020-07-30 | Retractable's construction tower crane arm |
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| Publication Number | Publication Date |
|---|---|
| CN111908356A true CN111908356A (en) | 2020-11-10 |
| CN111908356B CN111908356B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010749528.4A Active CN111908356B (en) | 2020-07-30 | 2020-07-30 | Retractable's construction tower crane arm |
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| CN (1) | CN111908356B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743424A (en) * | 2021-01-12 | 2021-05-04 | 张书荣 | New energy automobile produces device with fine setting function |
| CN112775829A (en) * | 2021-01-05 | 2021-05-11 | 泰州市第一铝材厂有限公司 | Polishing device for aluminum product type wrap angle for special assembly line |
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| CN203667856U (en) * | 2013-12-27 | 2014-06-25 | 徐州徐工随车起重机有限公司 | Lifting arm of lorry-mounted crane |
| CN207226872U (en) * | 2017-10-10 | 2018-04-13 | 深圳市君乐实业有限公司 | A kind of tower crane crane |
| CN109982958A (en) * | 2016-09-19 | 2019-07-05 | 格斯特Msc资源公司 | The method of extensible sunpender with locking system and the extensible sunpender for operating crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6474486B1 (en) * | 1999-09-01 | 2002-11-05 | P P M | Method of telescoping a crane jib, apparatus for implementing the method, and a crane jib constituting an application thereof |
| CN201209093Y (en) * | 2008-03-04 | 2009-03-18 | 抚顺挖掘机制造有限责任公司 | Crawler telescopic arm hoisting machine |
| EP2388228A1 (en) * | 2010-05-18 | 2011-11-23 | Kobelco Cranes Co., Ltd. | Boom telescoping control unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112775829A (en) * | 2021-01-05 | 2021-05-11 | 泰州市第一铝材厂有限公司 | Polishing device for aluminum product type wrap angle for special assembly line |
| CN112743424A (en) * | 2021-01-12 | 2021-05-04 | 张书荣 | New energy automobile produces device with fine setting function |
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| Publication number | Publication date |
|---|---|
| CN111908356B (en) | 2022-06-14 |
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Effective date of registration: 20220523 Address after: 310000 Dai Cun Zhen Da Shi Gai Cun, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Ruilin Machinery Co.,Ltd. Address before: 310051 No. 735, Jianghong Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Chen Feng |
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