CN216474454U - Novel steel trestle and connecting fastener thereof - Google Patents

Novel steel trestle and connecting fastener thereof Download PDF

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Publication number
CN216474454U
CN216474454U CN202122702391.XU CN202122702391U CN216474454U CN 216474454 U CN216474454 U CN 216474454U CN 202122702391 U CN202122702391 U CN 202122702391U CN 216474454 U CN216474454 U CN 216474454U
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China
Prior art keywords
trestle
connecting hole
fastener
plates
novel steel
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CN202122702391.XU
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Chinese (zh)
Inventor
李翔
鲍旺
许秀峰
吕岩
赵丽
杨钦
谭萍
续文昊
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Tongji University
China Construction Eighth Engineering Division Co Ltd
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Tongji University
China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model relates to the field of construction equipment, and discloses a novel steel trestle, which comprises a plurality of trestle plates (2) which are spliced, wherein the trestle plates (2) are provided with a plurality of sunken connecting holes (3), the two trestle plates (2) are connected through connecting fasteners (1), the connecting fasteners (1) are inserted into the connecting holes (3) of the two trestle plates (2), and a supporting beam (4) is arranged below the joint of the two trestle plates (2); according to the utility model, the connecting fasteners are arranged, so that the integrity of the trestle panel is enhanced, the rigidity of the trestle is improved, and the trestle is ensured to be safe and reliable.

Description

Novel steel trestle and connecting fastener thereof
Technical Field
The utility model relates to the field of construction equipment, in particular to a novel steel trestle and a connecting fastener thereof.
Background
The construction trestle is a temporarily built bridge suitable for traveling of hoisting and transporting machinery and can directly serve for construction. At present, the steel trestle is widely applied to construction sites of engineering projects, and in the prior art, the connection of trestle plates of the project sites is generally carried out by adopting a steel plate welding connection mode. The steel trestle is formed by connecting one trestle plate together by welding, and meets the requirement of length and width.
However, welded steel trestles have many problems, firstly, when the trestle plates are welded together, a large crane is needed to be used for hoisting the trestle plates for hoisting and then welding, the construction cost is high, the difficulty is high, and the welding quality is uneven; secondly, the steel trestle is reused, and is detached after one project is finished, which wastes time and labor, and the bulge formed by welding can cause the steel trestle to be not tightly spliced and uneven, so that the engineering truck is not stable when running on the steel trestle, and the safety is influenced; thirdly, after repeated use for many times, the positions of welding points are gradually occupied too much, and proper positions are difficult to select; secondly, due to the accumulation of welding points, damage is easily caused, and the strength of the steel trestle is influenced; finally, stress is easily concentrated at the welding point, fatigue fracture is easily caused, and safety accidents are caused. Therefore, a new steel trestle with reduced cost, improved quality and improved installation efficiency is needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a novel steel trestle and a connecting fastener thereof.
In order to achieve the purpose, the utility model provides a novel steel trestle, which comprises a plurality of trestle plates which are spliced, wherein each end of each trestle plate is provided with a plurality of sunken connecting holes, the two trestle plates are connected through a connecting fastener, the connecting fastener is inserted into the connecting holes of the two trestle plates, and a supporting beam is arranged below the joint of the two trestle plates.
Further, connect fastener is the modularization component, including link and two hasp ends, the link is semicircle camber arch, hasp end inboard leans out, forms the narrow wedge structure under the wide.
The lock catch end is of a wedge-shaped structure so as to be pressed downwards during installation, and the two trestle plates are forced to be tightened.
Furthermore, the connecting hole is square and is connected with the lock catch end in an embedded mode.
Furthermore, the connecting fastener is connected to the connecting hole of the trestle plate through the lock catch end, and the lock catch end can be inserted into and pulled out of the connecting hole.
Furthermore, the bridge plate is provided with eight connecting holes, four longitudinal connecting holes are formed in four corners of the end face of the bridge plate, four transverse connecting holes are formed beside the longitudinal connecting holes, and the transverse connecting holes are formed along the long edge of the bridge plate.
The four longitudinal connecting holes can realize longitudinal splicing of the bridge plate, and the four transverse connecting holes can realize transverse splicing of the bridge plate.
In order to achieve the purpose, the utility model further provides a novel steel trestle connecting fastener which is a modular component and comprises a connecting end and two lock catch ends, wherein the connecting end is in a semicircular arch shape, and the inner sides of the lock catch ends are inclined outwards to form a wedge-shaped structure with a wide upper part and a narrow lower part.
The lock catch end is of a wedge-shaped structure and can be pressed downwards during installation, so that the two trestle plates are tightened.
Furthermore, the connecting hole is square and is connected with the lock catch end in an embedded mode.
Furthermore, the connecting fastener is connected to the connecting hole of the trestle plate through the lock catch end, and the lock catch end can be inserted into and pulled out of the connecting hole.
Compared with the prior art, the utility model has the following beneficial effects:
(1) two trestle plates can be spliced together only by inserting two lock catch ends of the connecting fastener into connecting holes of the trestle plates to be spliced respectively, so that the damage caused by welding is avoided, the workload of a crane is reduced, and the construction speed is accelerated;
(2) when the trestle is dismantled, only the connecting fastener needs to be pulled out, and the operation of cutting off a welding point is not needed;
(3) the transverse splicing and the longitudinal splicing of the trestle plates can be simultaneously carried out so as to adjust the laying direction and area of the trestle and meet the requirements of a construction site;
(4) the cost is reduced, the construction speed is accelerated, the randomness and the arbitrariness of the on-site connection steel plate are reduced, and the connection reliability of the steel trestle is improved.
Drawings
FIG. 1 is a schematic structural diagram of a novel steel trestle of the present invention;
FIG. 2 is a schematic structural view of a novel steel trestle connecting fastener;
FIG. 3 is a plan view of the location of the connecting holes in a novel steel trestle of the present invention;
fig. 4 is a schematic structural view of the splicing of the trestle plates by connecting fasteners.
Reference numerals: 1-connecting fasteners; 11-a connection end; 12-a locking end; 2-stacking bridge plates; 21-longitudinal connecting hole; 22-transverse connection hole; 3-connecting holes; 4-supporting beam.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The utility model is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Fig. 1 is a schematic structural diagram of a novel steel trestle according to the present invention, and as shown in fig. 1, the novel steel trestle according to the present invention has recessed connection holes 3 on the trestle plates 2, the two trestle plates 2 are connected by a connection fastener 1, the connection fastener 1 is inserted into the connection holes 3 of the two trestle plates 2, and a support beam 4 is disposed below the connection position of the two trestle plates 2.
Fig. 2 is a schematic structural diagram of the novel steel trestle connecting fastener of the utility model, and as shown in fig. 2, the connecting fastener 1 is a modular member and comprises a connecting end 11 and two locking ends 12, the connecting end 11 is in a semicircular arch shape, and the inner sides of the locking ends 12 incline outwards to form a wedge-shaped structure with a wide top and a narrow bottom.
Wherein the locking end 12 is designed into a wedge-shaped structure so as to be pressed downwards during installation, and the two trestle plates 2 are forced to be tightened.
Further, the connecting hole 3 is square and is connected with the locking end 12 in an embedded manner.
Further, the connecting fastener 1 is connected to the connecting hole 3 of the trestle plate 2 through the locking end 12, and the locking end 12 can be inserted into and pulled out of the connecting hole 3.
Further, fig. 3 is a plan view of the positions of the connecting holes in the novel steel trestle of the present invention, as shown in fig. 3, the trestle plate 2 is provided with eight connecting holes 3, four longitudinal connecting holes 21 are provided at four corners of the end surface of the trestle plate 2, four transverse connecting holes 22 are provided beside the longitudinal connecting holes 21, and the transverse connecting holes 22 are provided along the long side of the trestle plate 2.
The four longitudinal connecting holes 21 can realize longitudinal splicing of the bridge plate 2, and the four transverse connecting holes 22 can realize transverse splicing of the bridge plate 2.
The utility model also discloses a novel steel trestle connecting fastener, as shown in figure 2, the connecting fastener 1 is a modular component and comprises a connecting end 11 and two lock catch ends 12, the connecting end 11 is in a semicircular arch shape, and the inner sides of the lock catch ends 12 are inclined outwards to form a wedge-shaped structure with a wide upper part and a narrow lower part.
Wherein the locking end 12 is designed into a wedge-shaped structure so as to be pressed downwards during installation, and the two trestle plates 2 are forced to be tightened.
Further, the connecting hole 3 is square and is connected with the locking end 12 in an embedded manner.
Further, the connecting buckle 1 is connected to the connecting hole 3 through the locking end 12, and the locking end 12 can be inserted into and pulled out of the connecting hole 3.
The following specific examples are now incorporated for further illustration:
as shown in fig. 3, eight connecting holes 3 are reserved on the prefabricated member of each trestle plate 2, wherein four corners of the trestle plate 2 are respectively provided with one longitudinal connecting hole 21, and the total number of the four longitudinal connecting holes 21 is four; beside the longitudinal connecting holes 21, a transverse connecting hole 22 is respectively arranged along the long side of the bridge plate 2, and the total number of the transverse connecting holes 22 is four.
Fig. 4 is a schematic structural view of the landing stage plates spliced by the connecting fastener, and as shown in fig. 4, in a construction site, one locking end 12 of the connecting fastener 1 is inserted into one longitudinal connecting hole 21 of one landing stage plate 2, and the other locking end 12 of the connecting fastener 1 is inserted into one longitudinal connecting hole 21 of the other landing stage plate 2, so that the two landing stage plates 2 can be longitudinally spliced. In a similar way, the lock ends 12 are inserted into the corresponding transverse connecting holes 22 of the two trestle plates 2, so that the two trestle plates 2 can be transversely spliced. Based on this, because each angle of landing stage board 2 terminal surface is equipped with a longitudinal connecting hole 21 and a horizontal connecting hole 22 respectively, can carry out longitudinal splicing and horizontal concatenation simultaneously based on same landing stage board 2 to satisfy job site's demand. Because the upper part of the connecting fastener 1 is in a semicircular arch shape, and the lock catch end 12 of the connecting fastener 1 is in a wedge-shaped structure with a wide upper part and a narrow lower part, the connecting fastener 1 is more easily pressed downwards, and the trestle plates 2 at two sides can be tightened; therefore, the two bridge decks are tightly connected together while the connecting fastener is inserted into the connecting hole 3. When dismantling the landing stage, only need extract to connect the fastener, can separate the landing stage board of being connected.
Therefore, the novel steel trestle and the connecting fastener thereof splice two trestle plates by arranging the modularized connecting fastener, the lock catch end of the connecting fastener is inserted into the connecting hole of the trestle plates to form the integral steel trestle, and the spliced trestle plates are separated by pulling out the connecting fastener.
Compared with the prior art, the utility model has the following beneficial effects:
(1) two trestle plates can be spliced together only by inserting two lock catch ends of the connecting fastener into connecting holes of the trestle plates to be spliced respectively, so that the damage caused by welding is avoided, the workload of a crane is reduced, and the construction speed is accelerated;
(2) when the trestle is dismantled, only the connecting fastener needs to be pulled out, and the operation of cutting off a welding point is not needed;
(3) the transverse splicing and the longitudinal splicing of the trestle plates can be simultaneously carried out so as to adjust the laying direction and area of the trestle and meet the requirements of a construction site;
(4) the cost is reduced, the construction speed is accelerated, the randomness and the arbitrariness of the on-site connection steel plate are reduced, and the connection reliability of the steel trestle is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the utility model should be determined from the following claims.

Claims (5)

1. The utility model provides a novel steel trestle, its characterized in that forms including a plurality of trestle boards (2) concatenation, trestle board (2) are equipped with a plurality of sunken connecting hole (3), two trestle boards (2) are connected through connecting fastener (1), connect fastener (1) insert in connecting hole (3) of two trestle boards (2), the below of two trestle boards (2) junctions is equipped with a supporting beam (4), connecting fastener (1) is the modularization component, including link (11) and two hasp ends (12), link (11) are the semicircle camber, hasp end (12) inboard leans out, forms wide narrow wedge structure down.
2. The novel steel trestle of claim 1, characterized in that: the connecting hole (3) is square and is embedded and connected with the lock catch end (12).
3. The novel steel trestle of claim 2, characterized in that: the connecting fastener (1) is connected to the connecting hole (3) of the trestle plate (2) through the lock catch end (12), and the lock catch end (12) can be inserted into and pulled out of the connecting hole (3).
4. A new steel trestle according to claim 1 or 3, characterised in that: the utility model discloses a bridge pallet, including bridge pallet (2), in four corners of bridge pallet (2) terminal surface are equipped with four longitudinal connecting hole (21), in longitudinal connecting hole (21) next door is equipped with four transverse connecting hole (22), transverse connecting hole (22) are followed the long limit setting of bridge pallet (2).
5. The utility model provides a novel steel trestle connection fastener, its characterized in that, connection fastener (1) is the modularization component, including link (11) and two hasp ends (12), link (11) are semicircle camber arch-shaped, hasp end (12) inboard leans out, forms wide narrow wedge structure down.
CN202122702391.XU 2021-11-06 2021-11-06 Novel steel trestle and connecting fastener thereof Active CN216474454U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122702391.XU CN216474454U (en) 2021-11-06 2021-11-06 Novel steel trestle and connecting fastener thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122702391.XU CN216474454U (en) 2021-11-06 2021-11-06 Novel steel trestle and connecting fastener thereof

Publications (1)

Publication Number Publication Date
CN216474454U true CN216474454U (en) 2022-05-10

Family

ID=81447536

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122702391.XU Active CN216474454U (en) 2021-11-06 2021-11-06 Novel steel trestle and connecting fastener thereof

Country Status (1)

Country Link
CN (1) CN216474454U (en)

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