CN220620986U - Safety operation platform device for integrally lifting and folding truss - Google Patents

Safety operation platform device for integrally lifting and folding truss Download PDF

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Publication number
CN220620986U
CN220620986U CN202322065393.1U CN202322065393U CN220620986U CN 220620986 U CN220620986 U CN 220620986U CN 202322065393 U CN202322065393 U CN 202322065393U CN 220620986 U CN220620986 U CN 220620986U
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China
Prior art keywords
truss
folding
platform device
lifting
operation platform
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Active
Application number
CN202322065393.1U
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Chinese (zh)
Inventor
韩瑞京
王幸男
刘海龙
张香芸
赵国强
邹建磊
常诚
朱兴陆
李昂
耿旭涛
俞力强
许明泽
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Beijing Construction Engineering Haiya Construction Engineering Co ltd
Beijing Machinery Construction Group Co ltd
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Beijing Construction Engineering Haiya Construction Engineering Co ltd
Beijing Machinery Construction Group Co ltd
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Priority to CN202322065393.1U priority Critical patent/CN220620986U/en
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Publication of CN220620986U publication Critical patent/CN220620986U/en
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Abstract

The utility model discloses a safety operation platform device for integrally lifting and folding a truss, which comprises: the two operation platforms are arranged up and down and are respectively connected with the truss; the ladder stand is connected between the two operation platforms; and the lower anchor point tool is arranged on the lower chord of the truss and is connected with the steel strand for lifting. The operation platform is lifted along with the truss, when an operator welds the truss interface, the operator can weld on the operation platform, and the operator can move from one operation platform to the other operation platform through the cat ladder, so that a safety operation frame is not required to be used in the process, the risk of welding operation of the operator on the truss is reduced, the safety of high-altitude operation is improved, and the personal safety of the operator in the construction process is ensured; by adopting the truss to integrally lift and fold the safe operation platform device, the construction speed is increased, the operation platform can be repeatedly utilized, and the construction cost is reduced.

Description

Safety operation platform device for integrally lifting and folding truss
Technical Field
The utility model relates to the technical field of construction engineering of building steel structures, in particular to a safety operation platform device for integrally lifting and folding trusses.
Background
The large-span space structure is the fastest-growing structure form in the last forty years, various space structures are built successively and developed quickly in countries such as America, japan and Europe, the span and the scale of the space structure are larger and larger, new materials and new technologies are widely applied, and the structure forms are more and more abundant. Many ambitious and distinctive large-span buildings have become a local symbolism or signage landscape. Along with the enhancement of economic strength in China, construction technology and construction technology are continuously improved, a large-span space structure is rapidly developed in China, and a plurality of large-scale stadiums, airports and exhibition halls adopt the structure.
During construction, in order to reduce the assembly height of a large-span space structure, the high-altitude work load and the assembly jig frame load are reduced, the lower-level assembly is carried out on a first floor slab for a second-layer truss, hydraulic jacks are arranged on steel column brackets at two ends of the truss, after the truss is assembled on the floor slab, a steel bar truss floor support plate is paved, pegs are welded, after the peg construction is completed, the hydraulic jacks are used for lifting in place and carrying out construction of a supplementing rod, then the truss is integrally lifted to a designed elevation and then is folded, personnel are needed to carry out welding installation construction at a truss interface when folding, a safety operation frame is needed to be erected at high altitude, then the operators need to walk to the truss interface on the truss upper chord and the lower chord for welding operation, the construction time is prolonged, and the risk of high-altitude operation is also increased. Accordingly, there is a need for a safety operation platform device for lifting and folding a truss as a whole that at least partially solves the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present utility model provides a safety operation platform device for lifting and folding a truss as a whole, including:
the two operation platforms are arranged up and down and are respectively connected with the truss;
the ladder stand is connected between the two operation platforms;
and the lower anchor point tool is arranged on the lower chord of the truss and is connected with the steel strand for lifting.
Preferably, the operation platform includes:
a bottom frame, one side of which is connected with the flange of the truss;
the guardrail is arranged above the bottom frame;
the upper end and the lower end of the cat ladder are respectively connected with the bottom frames of the two operation platforms.
Preferably, the anchor point frock down includes:
the tool bottom plate is connected with the lower chord of the truss;
the stiffening rib is arranged above the tool bottom plate and is connected with the lower chord of the truss;
and the lower anchor disc is arranged below the tool bottom plate, and the steel stranded wires are connected with the lower anchor disc.
Preferably, the number of stiffeners is at least two.
Preferably, through holes for the steel strands to pass through are formed in the tool bottom plate between two adjacent stiffening ribs, and the steel strands pass through the bottom ends of the through holes and are locked with the lower anchor disc.
Preferably, an inclined support rod is arranged between the bottom of one side, close to the truss, of the upper operation platform and the cat ladder.
Preferably, the bottom frame is provided with a support platen.
Preferably, the support platen is a steel plate mesh.
Preferably, the support platen includes:
the two fixed tables are respectively arranged at two sides of the bottom frame, and a lap joint groove is formed in the top surface of one end of each fixed table;
the turnover bedplate is arranged in the middle of the bottom frame, two sides of one end of the turnover bedplate are provided with rotating shafts which are rotationally connected with the fixed bedplate, two sides of the other end of the turnover bedplate are provided with lapping plates corresponding to the lapping grooves, the bottom surface of the turnover bedplate between the two lapping plates is provided with grooves, and the bottom frame is provided with supporting parts corresponding to the grooves.
Preferably, a round hole for inserting the rotating shaft is formed in the side face of one end of the fixed platen, an L-shaped groove is formed in one side of the round hole, one end of the L-shaped groove is communicated with the round hole, and the other end of the L-shaped groove penetrates through the top face of the fixed platen.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
according to the safety operation platform device for integrally lifting and folding the truss, when an operator welds the truss interface, the operator can weld on the operation platform and can move from one operation platform to the other operation platform through the crawling ladder, the safety operation frame is not required in the process, the risk of welding operation of the operator on the truss is reduced, the safety of high-altitude operation is improved, and the personal safety of the operator in the construction process is ensured; by adopting the truss to integrally lift and fold the safe operation platform device, the construction speed is increased, the operation platform can be repeatedly utilized, and the construction cost is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a construction of a safety operation platform device for lifting and folding a truss as a whole according to the present utility model;
FIG. 2 is a schematic view of a structure of a safety operation platform device for lifting and folding a truss as a whole according to the present utility model;
fig. 3 is a schematic structural diagram of a lower anchor point tooling in the truss integral lifting and folding safety operation platform device according to the present utility model;
FIG. 4 is a schematic view of the installation structure of the inclined support bar in the truss integral lifting and folding safety operation platform device according to the present utility model;
FIG. 5 is a schematic view of a structure of a support platen formed by a fixed platen and a flip platen in the truss integral lifting and folding safety operation platform device according to the present utility model;
FIG. 6 is a schematic view of the structure of the entire lifting and folding safety platform device for trusses according to the present utility model when the turnover platen is turned up;
FIG. 7 is a schematic view of a structure of a roll-over table in a safety operation platform device for lifting and folding a truss as a whole according to the present utility model;
FIG. 8 is a schematic view of a structure of a fixed platen of the safety operation platform device for lifting and folding a truss as a whole according to the present utility model;
fig. 9 is a schematic view of an arrangement structure of an L-shaped groove and a circular hole in the truss integral lifting and folding safety operation platform device according to the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the present utility model provides a safety operation platform device for integrally lifting and folding a truss, comprising:
two operating platforms 1 which are arranged up and down are respectively connected with a truss 6;
a ladder stand 2 connected between the two operation platforms 1;
and the lower anchor point tooling 3 is arranged on a lower chord 620 of the truss 6, and the lower anchor point tooling 3 is connected with the steel strand 7 for lifting.
The working principle and the beneficial effects of the technical scheme are as follows: the truss 6 is a two-layer truss and comprises an upper chord 610 and a lower chord 620, the upper operating platform 1 is connected with the upper chord 610 of the truss 6, the lower operating platform 1 is connected with the lower chord 620 of the truss 6, and the connecting mode of the operating platform 1 and the truss 6 can be welding; the upper end and the lower end of the ladder stand 2 are respectively connected with the two operation platforms 1, and a welding mode can be adopted, so that an operator can perform welding operation on the operation platforms 1 when welding the truss 6 interface, and the operator can move from one operation platform 1 to the other operation platform 1 through the ladder stand 2, a safety operation frame is not required in the process, and the risk of performing welding operation on the truss 6 by the operator is reduced;
the lower anchor point tool 3 is arranged on a lower chord 620 of the truss 6 and used for being connected with a steel strand 7 for lifting, the steel strand 7 is a steel strand for lifting a heavy object by a steel strand hydraulic jack, the arrangement position of the lower anchor point tool 3 is the lifting point position of the truss 6, the steel strand 7 is locked with the lower anchor point tool 3, the truss 6 is lifted by the steel strand hydraulic jack, meanwhile, an operation platform 1 and a cat ladder 2 which are welded on the truss 6 in advance are lifted, after the truss 6 is folded with other trusses, an operator can weld the interface of the truss 6 on the operation platform 1, the safety of high-altitude operation is improved, and the personal safety of the operator in the construction process is ensured; the truss is adopted to integrally lift and fold the safety operation platform device, so that the construction speed is increased; the operation platform can be reused, and the construction cost is reduced.
It should be noted that, the steel strand hydraulic jack is in the prior art, and can be purchased in the market, and the locking mode of the steel strand 7 and the lower anchor point tool 3 is also in the prior art, so that the working principle thereof is not repeated here.
As shown in fig. 2, in one embodiment, the operation platform 1 includes:
a bottom frame 110, one side of which is connected to the flange of the truss 6;
a guardrail 120 disposed above the bottom frame 110;
the upper and lower ends of the ladder stand 2 are respectively connected with the bottom frames 110 of the two operation platforms 1.
The working principle and the beneficial effects of the technical scheme are as follows: the bottom frame 110 is a rectangular frame formed by welding square tubes, and the cross section opening of the square tubes can be selected to be square tubes with the length and width of 100mm and the thickness of 5 mm; the guardrail 120 is also formed by welding square tubes, the guardrail 120 is connected with the bottom frame 110 by welding, and the square tubes of the guardrail 120 are 50mm long and wide and 4mm thick; the vertical rod of the cat ladder 2 adopts a square tube, the cross rod adopts round steel with the diameter of 20mm, the cross section opening of the square tube is 50mm long and wide, and the thickness is 4mm; the operation platform 1 is connected with the flange of the truss 6 through a square pipe at one side of the bottom frame 110, the flange refers to a beam with an I-shaped section, the upper flange is an upper flange, the lower flange is a lower flange, the lower flange of an upper chord 610 of the truss 6 and the lower flange of a lower chord 620 are respectively welded with the bottom frames 110 of the two operation platforms 1; the bottom frame 110 is welded to the upper and lower ends of the ladder stand 2 at the sides thereof away from the flanges of the truss 6, respectively. The operation platform 1 is composed of a common square tube structure, is common in material, convenient to purchase and quick in welding, and accelerates construction progress.
As shown in fig. 2 and 3, in one embodiment, the lower anchor fixture 3 includes:
the tooling bottom plate 310 is connected with the lower chord 620 of the truss 6;
the stiffening rib 320 is arranged above the tooling bottom plate 310, and the stiffening rib 320 is connected with the lower chord 620 of the truss 6;
the lower anchor plate 330 is arranged below the tooling bottom plate 310, and the steel stranded wires 7 are connected with the lower anchor plate 330.
Further, the number of the stiffening ribs 320 is at least two.
Further, through holes 311 for the steel strands 7 to pass through are formed in the tooling bottom plate 310 between two adjacent stiffening ribs 320, and the steel strands 7 pass through the bottom ends of the through holes 311 and are locked with the lower anchor plate 330.
The working principle and the beneficial effects of the technical scheme are as follows: the tooling bottom plate 310 and the stiffening ribs 320 are welded with the lower chord 620 of the truss 6, at least two stiffening ribs 320 are arranged along the length direction of the truss 6, the connection strength of the tooling bottom plate 310 and the truss 6 is enhanced, and the strength of a hoisting point is improved;
the tool bottom plate 310 is provided with two through holes 311, the through holes 311 can enable a plurality of steel strands 7 of the steel strand hydraulic jack to pass through the through holes 311 from top to bottom, a locking cylinder is sleeved outside the bottom end of the steel strand 7, the outer part of the locking cylinder is in a shape of a small upper part and a big lower part, the inner part of the locking cylinder is attached to the steel strand 7, the locking cylinder is axially divided into two parts, a conical hole corresponding to the locking cylinder is arranged on the lower anchor plate 330, when the steel strand 7 is lifted upwards, the steel strand 7 drives the locking cylinder to have a trend of moving upwards, the lower anchor plate 330 is blocked by the tool bottom plate 310 and cannot move, but is subjected to downward pressure of the truss 6, and under the interaction of the conical hole and the conical surface outside the locking cylinder, the two parts of the locking cylinder simultaneously extrude the steel strand 7, so that friction force between the locking cylinder and the steel strand 7 is increased, and the connection stability of the steel strand 7 and the lower anchor tool 3 is ensured; of course, the locking mode of the steel strand 7 and the lower anchor disc 330 is not limited to the above-mentioned mode, and other methods may be used for connection locking, and only a conventional locking mode is provided in this embodiment.
As shown in fig. 4, in one embodiment, an inclined support bar 4 is provided between the bottom of the side of the upper operation platform 1 near the truss 6 and the ladder stand 2.
The working principle and the beneficial effects of the technical scheme are as follows: considering the stability of the operation platform 1 above, an inclined support rod 4 is arranged between one side of the bottom frame 110 of the operation platform 1, which is close to the truss 6, and the cat ladder 2, so as to share the stress of the operation platform 1, and the inclined support rod 4 can also adopt square tubes and be connected and fixed in a welding manner.
In one embodiment, the bottom frame 110 is provided with a support platen 5.
The working principle and the beneficial effects of the technical scheme are as follows: the bottom frame 110 should be provided with a support deck 5 to facilitate the operator's standing construction or to place tools for construction.
In one embodiment, the support platen 5 is a steel plate mesh.
The working principle and the beneficial effects of the technical scheme are as follows: the supporting platen 5 may be a steel plate mesh laid on the bottom frame 110, and the steel plate mesh is connected to the bottom frame 110 by welding.
As shown in fig. 5 to 8, in one embodiment, the support platen 5 includes:
two fixed platens 510 respectively disposed at both sides of the bottom frame 110, wherein a lap joint groove 511 is formed at a top surface of one end of the fixed platen 510;
the turnover platen 520 is arranged in the middle of the bottom frame 110, two sides of one end of the turnover platen 520 are provided with rotating shafts 521 which are rotationally connected with the fixed platen 510, two sides of the other end of the turnover platen 520 are provided with lapping plates 522 corresponding to the lapping grooves 511, the bottom surface of the turnover platen 520 between the two lapping plates 522 is provided with grooves 523, and the bottom frame 110 is provided with supporting parts 111 corresponding to the grooves 523.
The working principle and the beneficial effects of the technical scheme are as follows: the supporting bedplate 510 can also be movable, so that an operator can conveniently move on the two operating platforms 1 arranged up and down without turning over to the outer side of the operating platform 1 to climb the ladder 2;
specifically, two fixed platens 510 are disposed at two sides of the bottom frame 110, and are connected with the bottom frame 110 by welding, so that a channel for an operator to pass through is left between the two fixed platens 510; the turnover bedplate 520 is arranged between the two fixed bedplate 510, the turnover bedplate 520 can be turned upwards to one side close to the truss 6, the turning angle exceeds 90 degrees, a channel is opened, for example, an operator moves from the lower operation platform 1 to the upper operation platform 1, the operator can directly climb upwards along the ladder stand 2 without turning to the outer side of the operation platform 1, when the bottom of the upper operation platform 1 is reached, the turnover bedplate 520 is turned upwards to more than 90 degrees by force, the turnover bedplate 520 leans against the truss 6 and cannot be turned down easily, the operator can climb upwards along the opened channel and stand on the fixed bedplate 510, then the turnover bedplate 520 is turned down, after the turnover bedplate 522 is turned to a horizontal position, the lap plate 522 is placed on the lap groove 511, the groove 523 is placed on the supporting part 111, the length of the lap plate 522 is set according to the requirement, and the load bearing requirement is ensured, and the operation is convenient; the fixing platen 510 and the turning platen 520 may be a mesh plate of steel bars, and the supporting portion 111 may be a square tube welded to the bottom frame 110.
As shown in fig. 8 to 9, in one embodiment, a circular hole 512 into which the rotation shaft 521 is inserted is formed at one end side of the fixed platen 510, an L-shaped groove 513 is formed at one side of the circular hole 512, one end of the L-shaped groove 513 communicates with the circular hole 512, and the other end penetrates the top surface of the fixed platen 510.
The working principle and the beneficial effects of the technical scheme are as follows: in order to improve the convenience of the installation of the flip platen 520, an L-shaped groove 513 is provided, and when the flip platen 520 is installed, the rotating shafts 521 on both sides of the flip platen 520 are inserted in alignment with the top ends of the L-shaped groove 513 (through one end of the top surface of the fixed platen 510), and then the rotating shafts 521 are slid into the circular holes 512 along the L-shaped groove 513, so that the installation and the removal are very convenient.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A safety operation platform device for lifting and folding a truss as a whole, comprising:
two operation platforms (1) which are arranged up and down are respectively connected with the truss (6);
the crawling ladder (2) is connected between the two operation platforms (1);
lower anchor point frock (3) sets up on lower chord (620) of truss (6), lower anchor point frock (3) are connected with steel strand wires (7) that promote usefulness.
2. The safety operating platform device for the integral lifting and folding of trusses according to claim 1, characterized in that said operating platform (1) comprises:
a bottom frame (110) having one side connected to the flange of the truss (6);
a guard rail (120) disposed above the bottom frame (110);
the upper end and the lower end of the crawling ladder (2) are respectively connected with the bottom frames (110) of the two operation platforms (1).
3. The safety operating platform device for lifting and folding a truss as a whole according to claim 2, wherein the lower anchor point fixture (3) comprises:
the tooling bottom plate (310) is connected with a lower chord (620) of the truss (6);
the stiffening rib (320) is arranged above the tooling bottom plate (310), and the stiffening rib (320) is connected with the lower chord (620) of the truss (6);
the lower anchor disc (330) is arranged below the tooling bottom plate (310), and the steel stranded wires (7) are connected with the lower anchor disc (330).
4. A safety operating platform device for the integral lifting and folding of trusses according to claim 3, characterized in that the number of stiffening ribs (320) is at least two.
5. The safety operation platform device for lifting and folding the truss as claimed in claim 4, wherein a through hole (311) for the steel strand (7) to pass through is arranged on the tooling bottom plate (310) between two adjacent stiffening ribs (320), and the steel strand (7) passes through the bottom end of the through hole (311) and is locked with the lower anchor disc (330).
6. The safety operating platform device for lifting and folding the truss as claimed in claim 2, wherein the inclined supporting rod (4) is arranged between the bottom of one side of the upper operating platform (1) close to the truss (6) and the crawling ladder (2).
7. Safety operating platform device for the integral lifting and folding of trusses according to claim 2, characterized in that the bottom frame (110) is provided with a supporting bedplate (5).
8. The safety operating platform device for the integral lifting and folding of trusses according to claim 7, characterized in that the supporting bedplate (5) is a steel plate mesh.
9. The safety operating platform device for the integral lifting and folding of trusses according to claim 7, characterized in that the supporting bedplate (5) comprises:
two fixed tables (510) which are respectively arranged at two sides of the bottom frame (110), wherein a lap joint groove (511) is formed at the top surface of one end of each fixed table (510);
the turnover platen (520) is arranged in the middle of the bottom frame (110), two sides of one end of the turnover platen (520) are provided with rotating shafts (521) which are rotationally connected with the fixed platen (510), two sides of the other end of the turnover platen are provided with lapping plates (522) corresponding to the lapping grooves (511), the bottom surface of the turnover platen (520) between the two lapping plates (522) is provided with grooves (523), and the bottom frame (110) is provided with supporting parts (111) corresponding to the grooves (523).
10. The safety operation platform device for lifting and folding a truss as a whole according to claim 9, wherein a round hole (512) into which the rotation shaft (521) is inserted is provided at one end side of the fixed platen (510), an L-shaped groove (513) is provided at one side of the round hole (512), one end of the L-shaped groove (513) is communicated with the round hole (512), and the other end penetrates through the top surface of the fixed platen (510).
CN202322065393.1U 2023-08-03 2023-08-03 Safety operation platform device for integrally lifting and folding truss Active CN220620986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322065393.1U CN220620986U (en) 2023-08-03 2023-08-03 Safety operation platform device for integrally lifting and folding truss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322065393.1U CN220620986U (en) 2023-08-03 2023-08-03 Safety operation platform device for integrally lifting and folding truss

Publications (1)

Publication Number Publication Date
CN220620986U true CN220620986U (en) 2024-03-19

Family

ID=90224958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322065393.1U Active CN220620986U (en) 2023-08-03 2023-08-03 Safety operation platform device for integrally lifting and folding truss

Country Status (1)

Country Link
CN (1) CN220620986U (en)

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