CN216949170U - Sliding frame for construction of overhanging cornice of metal roof - Google Patents
Sliding frame for construction of overhanging cornice of metal roof Download PDFInfo
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- CN216949170U CN216949170U CN202122318944.1U CN202122318944U CN216949170U CN 216949170 U CN216949170 U CN 216949170U CN 202122318944 U CN202122318944 U CN 202122318944U CN 216949170 U CN216949170 U CN 216949170U
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Abstract
The utility model discloses a sliding frame for construction of a metal roof overhanging cornice, which comprises a sliding frame cross arm and an operating platform, wherein the sliding frame cross arm is horizontally and fixedly arranged above the operating platform, 4 groups of sliding parts are symmetrically arranged at the bottom of the sliding frame cross arm, protection plates are arranged at the bottoms of the 4 groups of sliding parts, guard rails are arranged on the left side and the right side of the operating platform, a plurality of step pedals are arranged on the inner side of the operating platform along the height direction of the operating platform, and safety protection nets are arranged on the outer side surfaces of the operating platform and the two guard rails. The sliding frame for the construction of the overhanging cornice of the metal roof provided by the utility model realizes the fixation and free sliding of the sliding frame at the cornice part by utilizing the lever principle and the clamping groove at the cornice part through the self gravity, and is convenient for constructors to move by arranging the operation platform to carry out cornice construction.
Description
Technical Field
The utility model belongs to the technical field of engineering construction, and particularly relates to a sliding frame for construction of a metal roof overhanging cornice, which is suitable for construction of all linear metal roof overhanging cornice parts with smaller gradients.
Background
The cornice of public building is got out more and more nowadays, and the size is also bigger and bigger, and cornice bottom is usually need to install aluminum plate and decorate, and this position often the construction degree of difficulty is great. What kind of measures are taken for construction, so that the measure cost can be reduced, the cross construction influence is reduced, the construction progress can be accelerated, the construction quality is ensured, and the problem of headache which is often encountered is solved.
At present, similar projects which are often encountered in outdoor decoration are selected, and the cornice is about 2-6 m; conventionally, the construction of the large-size cornice is usually performed by adopting a scaffold, a climbing car, a lift truck, a hanging basket, a self-made lifting platform and the like. The construction modes have various conditions that the cost of measures is higher, the influence of outdoor ground conditions is large, the construction efficiency is low, the construction quality is not easy to guarantee, the closing-up is difficult, the next procedure or outdoor construction is influenced, and the whole construction period is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a sliding frame for construction of a metal roof overhanging cornice.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a metal roofing eaves mouth construction uses balladeur train, includes balladeur train xarm and operation platform, the balladeur train xarm sets up in operation platform's top, and the bottom symmetry of balladeur train xarm is provided with 4 sliding parts of group, and operation platform's the left and right sides all is provided with the rail guard, and operation platform inboard is provided with a plurality of ladder footboards along its direction of height, all is provided with safety protection network on the lateral surface of operation platform and two rail guards.
Preferably, the operation platform comprises a first platform, a second platform and a third platform, the first platform is arranged along the horizontal direction, the third platform is arranged along the vertical direction, the second platform is positioned between the first platform and the third platform, one end of the second platform is connected with the first platform, and the other end of the second platform is connected with the bottom end of the third platform.
Preferably, the second platform is an inclined structure, and an included angle between the second platform and the horizontal direction is 30-60 degrees.
Preferably, every slider of group is connected through the bottom of connecting piece with the balladeur train xarm respectively, every group the slider contains bearing pulley and spacing pulley, and the connecting piece contains first connecting piece and second connecting piece, and first connecting piece and second connecting piece set up perpendicularly respectively in the bottom of balladeur train xarm, and the second connecting piece is located the outside of first connecting piece, the bearing pulley is vertical to be set up in the bottom of first connecting piece, spacing pulley sets up perpendicularly in the inboard of second connecting piece.
Preferably, the bearing pulley and the limiting pulley are pulleys with locking functions.
Preferably, the left side and the right side below the cross arm of the sliding frame are respectively provided with a protection plate, and the two protection plates are respectively connected with the bottoms of the two sliding parts corresponding to the upper parts of the two protection plates.
Preferably, the protection plate is of an inverted L-shaped structure, and two side edges of the protection plate are respectively connected with the corresponding bearing pulleys and the limiting pulleys in a sliding mode.
Preferably, the device further comprises a safety protection rope, and the safety protection rope is connected with the sliding frame cross arm.
Preferably, the included angle between the cross arm of the sliding frame and the operation platform is 80-90 degrees.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the sliding frame for the construction of the overhanging cornice of the metal roof, which is provided by the utility model, through the arrangement of the sliding piece, the bearing, braking and advancing of the sliding frame can be realized, the left and right limiting can be realized on the premise of ensuring the advancing of the sliding frame, and the sliding frame is ensured to advance along a specified route;
(2) according to the utility model, the plurality of step pedals are arranged in the operating platform, so that constructors can conveniently move up and down in the sliding frame, and cornice construction is facilitated;
(3) according to the utility model, by adopting the bearing pulley and the limiting pulley with the locking function, the bearing pulley and the limiting pulley can be locked when the sliding frame moves to a construction position, so that the sliding frame can not move, and the stability during construction can be ensured;
(4) according to the utility model, the installed aluminum plate can be protected by arranging the protection plate, the aluminum plate is prevented from being damaged in the running process of the sliding frame, and the stable running of the sliding frame and the safe and reliable operation of workers are ensured;
(5) the strength of the operation platform can be increased through the design of the safety protection net, so that the safety of operation and construction of workers is improved;
(6) the utility model has simple structure, reduces economic cost, has simple and safe operation method and improves construction efficiency.
Drawings
Fig. 1 is a front view of a carriage for construction of a metal roof overhanging cornice provided by an embodiment of the present invention in a state where a safety protection net is not installed;
FIG. 2 is a front view of a carriage for construction of a metal roof overhanging cornice provided by an embodiment of the present invention in a state of having a safety net installed
FIG. 3 is a schematic perspective view of a carriage crossbar and an operation platform connection according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure of section A in FIG. 1;
fig. 5 is a stress analysis diagram of the carriage for constructing the overhanging cornice of the metal roof provided by the embodiment of the utility model when a constructor does not enter the operation platform;
fig. 6 is a stress analysis diagram of the carriage for the construction of the overhanging cornice of the metal roof provided by the embodiment of the utility model when a constructor enters the carriage of the operation platform;
in the figure: 1. a carriage cross arm; 2. an operating platform; 201. a first platform; 202. a second platform; 203. a third platform; 3. a slider; 301. a load-bearing pulley; 302. a limiting pulley; 4. a protection plate; 5. protecting the fence; 6. a stair tread; 7. a safety protection net; 8. a connecting member; 801. a first connecting member; 802. a second connecting member; 9. a safety protection rope.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 4, a sliding frame for construction of a metal roof overhanging cornice comprises a sliding frame cross arm 1 and an operation platform 2, the sliding frame cross arm 1 and the operation platform 2 are fixed by welding, the operation platform 2 is an inclined structure, the sliding frame cross arm 1 is arranged above the operation platform 2, the length of the sliding frame cross arm 1 is set to be 6 meters, the sliding frame cross arm 1 is formed by welding a plurality of 50 x 4 angle steels in sequence, the sliding frame cross arm can keep relative stability by self gravity, 4 groups of sliding parts 3 are symmetrically arranged at the bottom of the sliding frame cross arm 1, 4 groups of sliding parts 3 are respectively arranged at the inner side and the outer side of the bottom of the sliding frame cross arm 1, 2 groups of sliding parts 3 are respectively arranged at the inner side and the outer side, the sliding parts 3 can not only ensure stable forward under the premise of bearing the weight of the sliding frame and constructors, the sliding frame is ensured to slide along the cornice in parallel, and the left and right displacement does not occur, the sliding frame advances according to a preset route, the operation platform 2 and the guard rails 5 are also manufactured by welding a plurality of 50 x 4 angle steels, the guard rails 5 are arranged on the left side and the right side of the operation platform 2, and the guard rails 5 can protect the operation platform 2, so that the operation safety of constructors is improved. The sliding frame provided by the embodiment of the utility model is matched with a linear metal roof overhanging cornice with a smaller gradient in specific use.
The included angle between the cross arm 1 of the sliding frame and the operation platform 2 is 80-90 degrees, the operation platform 2 comprises a first platform 201, a second platform 202 and a third platform 203, the first platform 201 is arranged along the horizontal direction, the third platform 203 is arranged along the vertical direction, the second platform 202 is located between the first platform 201 and the third platform 203, one end of the second platform 202 is connected with the first platform 201, and the other end of the second platform 202 is connected with the bottom end of the third platform 203. The second platform 202 is an inclined structure, and an included angle between the second platform 202 and the horizontal direction is 30-60 degrees. Through setting up operation platform 2 into the syllogic and being equipped with above-mentioned special angle setting, set up balladeur train xarm 1 into the slope of small angle again, can be fine with the less linear type metal roofing eaves mouth that encorbelments of slope use.
A plurality of step pedals 6 are arranged on the inner side of the operating platform 2 along the height direction of the operating platform, and safety protective nets 7 are arranged on the outer side surfaces of the operating platform 2 and the two protective guards 5. The safety protection net 7 is made of a perforated steel plate, the operating platform 2 and the two guard railings 5 can be further reinforced through the safety protection net 7, and the safety stability of the device is improved.
Each group of sliding parts 3 are respectively connected with the bottom of the cross arm 1 of the sliding frame through a connecting part 8, each group of sliding parts 3 comprises a bearing pulley 301 and a limiting pulley 302, each connecting part 8 comprises a first connecting part 801 and a second connecting part 802, the first connecting part 801 and the second connecting part 802 are respectively and vertically arranged at the bottom of the cross arm 1 of the sliding frame, the second connecting part 802 is positioned at the outer side of the first connecting part 801, the bearing pulley 301 is vertically arranged at the bottom of the first connecting part 801, and the limiting pulley 302 is vertically arranged at the inner side of the second connecting part 802. The first connecting piece 801 and the second connecting piece 802 are respectively made of 50 × 4 square steel tubes, and the two ends of the first connecting piece 801 and the second connecting piece 802 are respectively welded with the bottom of the cross arm 1 of the sliding frame, the bearing pulley 301 and the limiting pulley 302, so that the bearing pulley 301 and the limiting pulley 302 are fixed. In practical arrangement, when the carriage provided by the embodiment of the utility model is in use, the bearing pulleys 301 are positioned on the upper surface of the cornice, the two outer bearing pulleys 301 are supporting points of the carriage, the two outer limiting pulleys 302 are positioned on the outer side of the cornice, the two inner limiting pulleys 302 are positioned on one side of the gutter,
the bearing pulley 301 and the limiting pulley 302 are pulleys with locking function. The design can ensure that the sliding frame cannot move during construction and ensure the stability during construction.
The left side and the right side below the cross arm of the sliding frame are respectively provided with a protection plate 4, and the two protection plates 4 are respectively connected with the bottoms of the two sliding parts 3 corresponding to the upper parts of the two protection plates 4. The protection plate 4 is of an inverted L-shaped structure, and two side edges of the protection plate 4 are respectively connected with the corresponding bearing pulleys 301 and the limiting pulleys 302 in a sliding mode. When actual installation, the medial surface of guard plate is fixed with eaves mouth limit and gutter limit respectively, protects installation aluminum plate, prevents that the balladeur train operation in-process from causing destruction to aluminum plate, can also increase coefficient of friction simultaneously, ensures that the balladeur train operates steadily and workman's operation safe and reliable.
The sliding rack provided by the embodiment of the utility model further comprises a safety protection rope 9, and the safety protection rope 9 is connected with the sliding rack cross arm 1. The other end of the safety protection rope is connected with the existing roof anti-falling system, so that the safety and reliability of the sliding frame can be further guaranteed.
The safety of the sliding frame for the construction of the overhanging cornice of the metal roof provided by the embodiment of the utility model is theoretically analyzed, and as can be seen from fig. 5, a sliding member with A, B points can be regarded as a hinged support, and because the inclination of an AB connecting line is low, the stress of the sliding frame in the horizontal direction can be ignored. Assuming the carriage is forced vertically upward by the A, B two point hinge support, the carriage is forced by all external forces as shown in fig. 6. In order to facilitate research, the sliding frame is divided into 3 parts (the dividing mode does not influence the balance state of the sliding frame), the gravity direction of the 3 parts is vertical downwards, the length of the sliding frame of each part is different, and therefore the gravity of the 3 parts is related to the length of each section, namely G1＞G3＞G2When the point B is in the torque balance equation, the gravity arm relationship of the part 3 is L1＞L3＞L2The balance equation for the column plane moments is:
∑MB＝0,G1·L1+G3·L3-G2·L2-FA·2L10 (thinking: the first two items are larger than the third item, the fourth item F must be positive)
Obviously, the FA value is positive, the direction of the force FA is vertically upward, that is, the point a of the carriage receives a vertically upward supporting force, and according to the relationship between the acting force and the reaction force, the carriage generates a vertically downward pressure on the point a, that is, the carriage has a tendency to rotate counterclockwise around the point B. As shown in fig. 6, when the weight is increased in the gray area, a counterclockwise moment F is additionally applied to the point B, so that the point a always tends to move downward and not move upward, and the clockwise rotation of the carriage around the point B does not occur. In summary, the carriage provided by the embodiment of the utility model is theoretically safe and feasible in use.
Through ETABS (ethylene-vinyl acetate styrene) checking calculation, the strength, the stability and the rigidity of the sliding frame for the construction of the overhanging cornice of the metal roof provided by the embodiment of the utility model meet the requirements.
The installation and use method of the carriage provided by the embodiment of the utility model is as follows:
according to eaves mouth drawing size, utilize BIM software to establish metal roofing eaves mouth model, make clear and definite to the operating surface scope that wants in the model, establish the balladeur train model through metal roofing eaves mouth BIM model after that, according to the balladeur train model design balladeur train processing drawing of establishing, the material type is on-the-spot commonly used material: the 50 × 4 angle steel is the material of the carriage main frame body "carriage cross arm 1 and operation platform 2", and the perforated steel plate is used as a safety protection net, and the sliding piece 3 and the carriage cross arm 1 are welded and connected through a 50 × 4 square steel pipe.
Respectively welding a cross arm 1 of a sliding frame and an operation platform 2 of the sliding frame by adopting 50-by-4 angle steel, welding the cross arm 1 and the operation platform 2 of the sliding frame, after the sliding frame framework is integrally formed, fixing the inner side surface of a protection plate 4 with an eave edge and a gutter edge respectively, protecting an installed aluminum plate, then hoisting the sliding frame provided by the embodiment of the utility model to the eave of a metal roof by a crane, respectively installing and welding a bearing pulley 301 and a limiting pulley 302 with the cross arm 1 of the sliding frame by a first connecting piece 801 and a second connecting piece 802, enabling the bearing pulley 301 and the limiting pulley 302 to be positioned on the top and the side surface of the protection plate respectively, finally reinforcing a safety protection net 7 of the operation platform 2 and a protective guard 5, fixing a safety protection rope 9 with the inner side end of the cross arm sliding frame 1 of the cross arm, connecting the safety protection rope 9 with a roof fall prevention system, ensuring the safety and reliability of the sliding frame, and then configuring the safety rope by a constructor to enter the lower side of the sliding frame 1 and the operation platform 2 to perform welding And (5) constructing.
In summary, the sliding element is arranged in the sliding frame for the construction of the overhanging cornice of the metal roof, so that the sliding frame can be used for bearing, braking and advancing, the left and right limiting can be realized on the premise of ensuring the advancing of the sliding frame, and the sliding frame can be ensured to advance along a specified route; moreover, the plurality of step pedals are arranged in the operating platform, so that constructors can conveniently move up and down in the sliding frame, and cornice construction is facilitated; meanwhile, the bearing pulley and the limiting pulley with locking functions are adopted, so that the bearing pulley and the limiting pulley can be locked when the sliding frame moves to a construction position, the sliding frame can be prevented from moving, and the stability during construction is ensured; in addition, can protect installation aluminum plate through setting up the guard plate, prevent that the balladeur train operation in-process from causing the destruction to aluminum plate, ensure that the balladeur train operates steadily and workman's operation safe and reliable simultaneously, can increase operation platform's intensity through safety protection net's design moreover to the security of workman's operation construction has been improved.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a metal roofing eaves mouth balladeur train for construction that encorbelments, a serial communication port, including balladeur train xarm (1) and operation platform (2), balladeur train xarm (1) sets up in the top of operation platform (2), the bottom symmetry of balladeur train xarm (1) is provided with 4 slider (3) of group, the left and right sides of operation platform (2) all is provided with rail guard (5), operation platform (2) inboard is provided with a plurality of ladder footboard (6) along its direction of height, operation platform (2) and two all be provided with safety protection network (7) on the lateral surface of rail guard (5).
2. The sliding frame for construction of the overhanging cornice of the metal roof as claimed in claim 1, wherein the operation platform (2) comprises a first platform (201), a second platform (202) and a third platform (203), the first platform (201) is arranged along the horizontal direction, the third platform (203) is arranged along the vertical direction, the second platform (202) is arranged between the first platform (201) and the third platform (203), and one end of the second platform (202) is connected with the first platform (201) and the other end is connected with the bottom end of the third platform (203).
3. The sliding frame for construction of the overhanging cornice of the metal roof as claimed in claim 2, wherein the second platform (202) is of an inclined structure, and an included angle between the second platform (202) and the horizontal direction is 30-60 degrees.
4. The sliding frame for construction of the overhanging cornice of the metal roof is characterized in that each group of the sliding pieces (3) is respectively connected with the bottom of the sliding frame cross arm (1) through a connecting piece (8), each group of the sliding pieces (3) comprises a bearing pulley (301) and a limiting pulley (302), the connecting piece (8) comprises a first connecting piece (801) and a second connecting piece (802), the first connecting piece (801) and the second connecting piece (802) are respectively vertically arranged at the bottom of the sliding frame cross arm (1), the second connecting piece (802) is positioned at the outer side of the first connecting piece (801), the bearing pulley (301) is vertically arranged at the bottom of the first connecting piece (801), and the limiting pulley (302) is vertically arranged at the inner side of the second connecting piece (802).
5. The sliding frame for construction of the overhanging cornice of the metal roof as claimed in claim 4, wherein the bearing pulley (301) and the limiting pulley (302) are pulleys with locking function.
6. The sliding rack for the construction of the overhanging cornice of the metal roof is characterized in that protection plates (4) are respectively arranged at the left side and the right side below the cross arm (1) of the sliding rack, and the two protection plates (4) are respectively connected with the bottoms of the two corresponding sliding parts above the two protection plates.
7. The sliding frame for the construction of the overhanging cornice of the metal roof is characterized in that the protection plate (4) is of an inverted L-shaped structure, and two side edges of the protection plate (4) are respectively in sliding connection with the corresponding bearing pulley (301) and the corresponding limiting pulley (302).
8. The sliding frame for the construction of the overhanging cornice of the metal roof is characterized by further comprising a safety protection rope (9), wherein the safety protection rope (9) is connected with the sliding frame cross arm (1).
9. The sliding frame for the construction of the overhanging cornice of the metal roof is characterized in that an included angle between the sliding frame cross arm (1) and the operating platform (2) is 80-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318944.1U CN216949170U (en) | 2021-09-24 | 2021-09-24 | Sliding frame for construction of overhanging cornice of metal roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122318944.1U CN216949170U (en) | 2021-09-24 | 2021-09-24 | Sliding frame for construction of overhanging cornice of metal roof |
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| Publication Number | Publication Date |
|---|---|
| CN216949170U true CN216949170U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122318944.1U Active CN216949170U (en) | 2021-09-24 | 2021-09-24 | Sliding frame for construction of overhanging cornice of metal roof |
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| CN (1) | CN216949170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288406A (en) * | 2022-07-25 | 2022-11-04 | 中建八局广西建设有限公司 | Operating platform for metal roof cornice |
| CN115653275A (en) * | 2022-12-09 | 2023-01-31 | 中建八局第二建设有限公司 | Construction operation platform and construction method for building eave |
-
2021
- 2021-09-24 CN CN202122318944.1U patent/CN216949170U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288406A (en) * | 2022-07-25 | 2022-11-04 | 中建八局广西建设有限公司 | Operating platform for metal roof cornice |
| CN115288406B (en) * | 2022-07-25 | 2023-09-12 | 中建八局广西建设有限公司 | Operating platform for cornice of metal roof |
| CN115653275A (en) * | 2022-12-09 | 2023-01-31 | 中建八局第二建设有限公司 | Construction operation platform and construction method for building eave |
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