CN214116275U - Fastening device for fastening distribution beam and Bailey beam - Google Patents
Fastening device for fastening distribution beam and Bailey beam Download PDFInfo
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- CN214116275U CN214116275U CN202021663543.9U CN202021663543U CN214116275U CN 214116275 U CN214116275 U CN 214116275U CN 202021663543 U CN202021663543 U CN 202021663543U CN 214116275 U CN214116275 U CN 214116275U
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Abstract
The utility model relates to the field of bridge construction, in particular to a fastening device for fastening a distribution beam and a Bailey beam, which comprises two first U-shaped bolts and a second U-shaped bolt, wherein the first U-shaped bolts are connected with the second U-shaped bolts through connecting rods; first thread sections are arranged on two vertical rods of the first U-shaped bolt, each first thread section is in threaded fit with a first sleeve, and the first sleeve is rotatably connected with a pressing plate; second screw thread sections are arranged on two vertical rods of the second U-shaped bolt, and a second sleeve is in threaded fit with each second screw thread section; the pressing plate is provided with an accommodating port; the limiting mechanism is used for limiting the second sleeve in the accommodating port. The operator can make two clamp plates connect first U type bolt and second U type bolt convenient and fast to fasten the cross section of distributive girder and every beiLei beam upper chord, and then lock fixed with distributive girder and beiLei beam.
Description
Technical Field
The utility model relates to a bridge construction field, concretely relates to a fastener for fastening distributive girder and bailey roof beam.
Background
The Bailey beam has the characteristics of strong spanning capability, convenience in mounting and dismounting and the like, and is widely used in temporary structures of projects such as trestles, drilling platforms and the like in cast-in-place box girder supports and underwater bridge construction. The temporary structures usually adopt steel pipe piles as lower supports, bearing beams are erected on the steel pipe piles, Bailey beams are erected on the tops of the bearing beams, distribution beams are erected on the Bailey beams, and panels are further laid on the distribution beams to serve as construction platforms or allow vehicles to pass through.
Wherein, the distribution beam generally adopts I-steel, and the I-steel is set up at the top of bailey roof beam. In order to prevent the distribution beam from moving, generally, two riding bolts are required to be fastened at the intersection of the distribution beam and the upper chord of the Bailey beam from top to bottom for each Bailey beam, a fixing plate inserted at the lower end of each riding bolt is installed at the bottom of the upper chord of the Bailey beam, and the fixing plate is fastened by nuts, so that the distribution beam and the Bailey beam are fixed. When the fixing plate is installed, because two riding bolts of each group are arranged on two sides of the Bailey beam and the positions are not fixed, the installation is complicated and difficult.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to overcoming the drawbacks of the prior art and providing a fastening device for fastening a distributor beam and a beret beam.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a fastening device for fastening a distribution beam and a Bailey beam comprises a first U-shaped bolt and a second U-shaped bolt which are arranged in parallel, wherein the first U-shaped bolt is connected with the second U-shaped bolt through a connecting rod; first thread sections are arranged on two vertical rods of the first U-shaped bolt, each first thread section is in threaded fit with a first sleeve, and the first sleeves are rotatably connected with a pressing plate; second thread sections are arranged on two vertical rods of the second U-shaped bolt, each second thread section is in threaded fit with a second sleeve, and a second annular boss is formed on the circumferential outer wall of each second sleeve; the pressing plates are provided with accommodating openings, when the two pressing plates are rotated to respectively clamp the two second sleeves into the corresponding accommodating openings, the openings of the two accommodating openings face to each other; adjusting the second sleeve to enable the second annular boss to abut against the lower side of the pressure plate, wherein the projection of the accommodating port in the vertical direction is located in the projection range of the second annular boss in the vertical direction; the limiting mechanism is used for limiting the second sleeve in the accommodating port.
Preferably, the limiting mechanism comprises a limiting rod and a rotation stopping assembly, the limiting rod is hinged to the pressing plate, the limiting rod is rotated, and the second sleeve can be limited in an area defined by the limiting rod and the accommodating opening; the rotation stopping assembly is used for pressing the limiting rod on the pressing plate, so that the limiting rod cannot rotate.
Preferably, a hinged support is arranged at one end, far away from the first U-shaped bolt, of the pressing plate, the hinged support is installed on one side of the opening of the accommodating opening, and the limiting rod is hinged with the hinged support; the rotation stopping assembly comprises a base and a stop lever, and the base is arranged on the other side of the opening of the accommodating port; the stop lever activity runs through the base, and the axis perpendicular to gag lever post's rotation plane, stop lever are used for pressing the expansion end of gag lever post on the clamp plate.
Preferably, the device also comprises a tension spring, wherein the tension spring is arranged on one side of the base, which deviates from the limiting rod; the one end that the pin deviates from the gag lever post is equipped with the handle bar, the base is connected respectively at the both ends of extension spring with the handle bar.
Preferably, a through hole is formed in the pressing plate, a bearing is installed in the through hole, and the first sleeve is fixed in the bearing; a first annular boss is formed on the circumferential outer wall of the first sleeve, and the pressing plate abuts against the upper portion of the first annular boss.
Preferably, a first locking nut is in threaded fit with the first thread section, the first locking nut is positioned below the first sleeve, and a gasket a is arranged between the first locking nut and the first sleeve; and a second locking nut is in threaded fit with the second thread section, is positioned below the second sleeve, and is provided with a gasket b.
Preferably, the two ends of the connecting rod are respectively connected with the cross rod of the first U-shaped bolt and the cross rod of the second U-shaped bolt, and the connecting rod is flush with the cross rod of the first U-shaped bolt and the cross rod of the second U-shaped bolt.
The utility model has the advantages that:
the utility model discloses a fastener for fastening distribution roof beam and bailey roof beam when the installation, detain the cross section at distribution roof beam and bailey roof beam upper chord with first U type bolt and second U type bolt earlier, and first U type bolt and second U type bolt are located the both sides of bailey roof beam respectively this moment, and the clamp plate is located the below of bailey roof beam upper chord. The second sleeve is clamped into the corresponding accommodating port through the rotating pressing plate, the second sleeve is limited in the accommodating port by the operation limiting mechanism, the first sleeve pressing plate is rotated to ascend and tightly abut against the bottom of the upper chord of the Bailey beam, and then the second sleeve is rotated to tightly abut against the bottom of the pressing plate through the second annular boss, so that the distribution beam and the Bailey beam can be fastened and connected.
This fastener is through designing first U type bolt and second U type bolt into an organic whole structure to two rotatable clamp plates of design in two poles setting of first U type bolt, because the interval of first U type bolt and second U type bolt is fixed, the operator can make two clamp plates connect first U type bolt and second U type bolt conveniently and fast, thereby fasten the cross section of distributing beam and every bei lei roof beam upper chord, and then lock fixedly distributing beam and bei lei roof beam. The fastening device is simple in structure, convenient to operate by constructors, convenient to install, capable of reducing the installation difficulty and improving the construction and installation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a top view of the fastening device mounted on a distribution beam and a beret beam;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a platen;
FIG. 4 is a schematic view of a first U-bolt and a second U-bolt;
FIG. 5 is a top view of the condition of FIG. 4;
fig. 6 is a schematic structural view of the first U-bolt.
Reference numerals:
1-first U-bolt, 11-first threaded section, 12-first lock nut, 13-washer a, 2-second
The device comprises a U-shaped bolt, 21-a second thread section, 22-a second locking nut, 23-a gasket b, 3-a connecting rod, 4-a first sleeve, 41-a first annular boss, 5-a pressing plate, 51-an accommodating port, 52-a through hole, 53-a bearing, 6-a second sleeve, 61-a second annular boss, 7-a limiting mechanism, 71-a limiting rod, 72-a base, 73-a stop lever, 74-a hinge seat and 75-a tension spring.
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, in order to provide a fastening device for fastening a distribution beam and a bailey beam, the fastening device includes two first U-shaped bolts 1 and two second U-shaped bolts 2 arranged in parallel, and the first U-shaped bolts 1 are connected with the second U-shaped bolts 2 through connecting rods 3; the two upright rods of the first U-shaped bolt 1 are respectively provided with a first thread section 11, each first thread section 11 is in threaded fit with a first sleeve 41, and the first sleeve 41 is rotatably connected with a pressing plate 5; two upright rods of the second U-shaped bolt 2 are respectively provided with a second thread section 21, each second thread section 21 is in threaded fit with a second sleeve 4, and the circumferential outer wall of each second sleeve 4 is provided with a second annular boss 61; the pressing plates 5 are provided with accommodating openings 51, when the two pressing plates 5 are rotated to respectively clamp the two second sleeves 4 into the corresponding accommodating openings 51, the openings of the two accommodating openings 51 face to each other; adjusting the second sleeve 4 to enable the second annular boss 61 to abut against the lower side of the pressure plate 5, wherein the projection of the accommodating port 51 in the vertical direction is located in the projection range of the second annular boss 61 in the vertical direction; a limiting mechanism 7 is further included, and the limiting mechanism 7 is used for limiting the second sleeve 4 in the accommodating opening 51.
The utility model discloses a fastener for fastening distribution roof beam and bailey roof beam when the installation, detain the cross section at distribution roof beam and bailey roof beam upper chord with first U type bolt 1 and second U type bolt 2 earlier, first U type bolt 1 and second U type bolt 2 are located the both sides of bailey roof beam respectively this moment, and clamp plate 5 is located the below of bailey roof beam upper chord. The second sleeve 4 is engaged into the corresponding receiving opening 51 by rotating the pressing plate 5, and the second sleeve 4 is restricted in the receiving opening 51 by operating the stopper mechanism 7. Then, after the pressing plate 5 rises and tightly abuts against the bottom of the upper chord of the Bailey beam by rotating the first sleeve 41, in order to enable the pressing plate 5 to be stressed uniformly, the second sleeve 4 is provided with a second annular boss 61 for supporting the pressing plate 5, and the second annular boss 61 tightly abuts against the bottom of the pressing plate 5 by rotating the second sleeve 4, so that the distribution beam and the Bailey beam can be fastened and connected.
This fastener is through designing into an organic whole structure first U type bolt 1 and second U type bolt 2 to two rotatable clamp plates 5 of design in two poles setting of first U type bolt 1, because first U type bolt 1 and second U type bolt 2's interval is fixed, the operator can make two clamp plates 5 connect first U type bolt 1 and second U type bolt 2 conveniently and fast, thereby fasten the cross section of distributor beam and every bei lei roof beam upper chord, and then lock the distributor beam and bei lei roof beam fixedly. The fastening device is simple in structure, convenient to operate by constructors, convenient to install, capable of reducing the installation difficulty and improving the construction and installation efficiency.
In a specific embodiment, the limiting mechanism 7 comprises a limiting rod 71 and a rotation stopping component, the limiting rod 71 is hinged on the pressure plate 5, and the second sleeve 4 can be limited in an area enclosed by the limiting rod 71 and the accommodating opening 51 by rotating the limiting rod 71; the rotation stopping assembly is used for pressing the limiting rod 71 against the pressure plate 5, so that the limiting rod 71 cannot rotate. After the pressing plate 5 is rotated to snap the second sleeve 4 into the corresponding receiving opening 51, the pressing plate 5 is rotatably connected with the first sleeve 41, so that the pressing plate 5 rotates during operation, and the receiving opening 51 may be separated from the second sleeve 4. Therefore, in order to avoid the above situation, the stop rod 71 and the rotation stopping assembly are designed to rotate the movable end of the stop rod 71, so that the second sleeve 4 is limited in the area enclosed by the stop rod 71 and the receiving opening 51. Because gag lever post 71 articulates on clamp plate 5, furtherly, presses gag lever post 71 on clamp plate 5 through the rotation stopping subassembly, makes gag lever post 71 unable rotation to the stability of stop gear 7 has further been promoted.
Specifically, one end of the pressure plate 5, which is far away from the first U-shaped bolt 1, is provided with a hinged support 74, the hinged support 74 is installed at one side of the opening of the accommodating opening 51, and the limiting rod 71 is hinged with the hinged support 74; the rotation stopping assembly comprises a base 72 and a stop lever 73, wherein the base 72 is arranged on the other side of the opening of the accommodating opening 51; the stop lever 73 movably penetrates through the base 72, the central axis of the stop lever 73 is perpendicular to the rotation plane of the limiting rod 71, and the stop lever 73 is used for pressing the movable end of the limiting rod 71 against the pressure plate 5. When the limiting rod 71 is rotated, the limiting rod 71 is lapped at the opening of the accommodating opening 51, the movable end of the limiting rod 71 leans against the plate surface of the pressing plate 5, and then the stop lever 73 is operated to penetrate through the base 72, so that the stop lever 73 blocks the limiting rod 71, the limiting rod 71 is pressed on the pressing plate 5, and the limiting rod 71 cannot rotate.
Furthermore, in order to avoid the looseness of the stop lever 73 and facilitate the reset of the stop lever 73, the limiting mechanism 7 further comprises a tension spring, and the tension spring is arranged on one side of the base 72, which is far away from the limiting lever 71; one end of the stop lever 73, which is far away from the limiting rod 71, is provided with a handle lever, and two ends of the tension spring are respectively connected with the base 72 and the handle lever.
In a specific embodiment, in order to facilitate the rotation of the pressing plate 5, a through hole 52 is formed on the pressing plate 5, a bearing 53 is installed in the through hole 52, and the first sleeve 41 is fixed in the bearing 53; a first annular boss 41 is formed on the circumferential outer wall of the first sleeve 41, and the pressure plate 5 abuts on the upper side of the first annular boss 41. Meanwhile, because the pressing plate 5 needs to be tightly abutted to the bottom of the upper chord of the beret beam, the projections of the bearing 53 and the through hole 52 in the vertical direction are both located in the projection range of the first annular boss 41 in the vertical direction, and therefore, the pressing plate 5 is supported by designing the first annular boss 41 on the first sleeve 41, so that the stability of the whole structure is improved.
In one embodiment, the first thread segments 11 are threadedly engaged with the first lock nuts 12, the first lock nuts 12 are located below the first sleeves 41, and a gasket a13 is provided between the first lock nuts 12 and the first sleeves 41; a second locking nut 22 is in threaded fit with the second threaded section 21, the second locking nut 22 is located below the second sleeve 4, and a gasket b23 is arranged between the second locking nut 22 and the second sleeve 4. By designing the gasket a13 and the first lock nut 12 below the first sleeve 41 and designing the gasket b23 and the second lock nut 22 below the second sleeve 4, the fastening force of the first sleeve 41 and the first thread section 11 and the fastening force of the second sleeve 4 and the second thread section 21 are enhanced, and the fastening effect is better.
In an embodiment, two ends of the connecting rod 3 are respectively connected with the cross rod of the first U-shaped bolt 1 and the cross rod of the second U-shaped bolt 2, and the connecting rod 3 is flush with the cross rod of the first U-shaped bolt 1 and the cross rod of the second U-shaped bolt 2.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A fastening device for fastening a distribution beam and a beret beam, characterized in that: the bolt comprises a first U-shaped bolt and a second U-shaped bolt which are arranged in parallel, wherein the first U-shaped bolt is connected with the second U-shaped bolt through a connecting rod;
first thread sections are arranged on two vertical rods of the first U-shaped bolt, each first thread section is in threaded fit with a first sleeve, and the first sleeves are rotatably connected with a pressing plate; second thread sections are arranged on two vertical rods of the second U-shaped bolt, each second thread section is in threaded fit with a second sleeve, and a second annular boss is formed on the circumferential outer wall of each second sleeve;
the pressing plates are provided with accommodating openings, when the two pressing plates are rotated to respectively clamp the two second sleeves into the corresponding accommodating openings, the openings of the two accommodating openings face to each other; adjusting the second sleeve to enable the second annular boss to abut against the lower side of the pressure plate, wherein the projection of the accommodating port in the vertical direction is located in the projection range of the second annular boss in the vertical direction;
the limiting mechanism is used for limiting the second sleeve in the accommodating port.
2. The fastening device of claim 1, wherein: the limiting mechanism comprises a limiting rod and a rotation stopping assembly, the limiting rod is hinged to the pressing plate, and the second sleeve can be limited in an area defined by the limiting rod and the accommodating opening by rotating the limiting rod; the rotation stopping assembly is used for pressing the limiting rod on the pressing plate, so that the limiting rod cannot rotate.
3. The fastening device of claim 2, wherein: one end of the pressing plate, which is far away from the first U-shaped bolt, is provided with a hinged support, the hinged support is arranged on one side of the opening of the accommodating opening, and the limiting rod is hinged with the hinged support;
the rotation stopping assembly comprises a base and a stop lever, and the base is arranged on the other side of the opening of the accommodating port; the stop lever activity runs through the base, and the axis perpendicular to gag lever post's rotation plane, stop lever are used for pressing the expansion end of gag lever post on the clamp plate.
4. The fastening device of claim 3, wherein: the tension spring is arranged on one side, away from the limiting rod, of the base; the one end that the pin deviates from the gag lever post is equipped with the handle bar, the base is connected respectively at the both ends of extension spring with the handle bar.
5. The fastening device of claim 1, wherein: the pressing plate is provided with a through hole, a bearing is arranged in the through hole, and the first sleeve is fixed in the bearing; a first annular boss is formed on the circumferential outer wall of the first sleeve, and the pressing plate abuts against the upper portion of the first annular boss.
6. The fastening device of claim 1, wherein: a first locking nut is in threaded fit with the first thread section, the first locking nut is positioned below the first sleeve, and a gasket a is arranged between the first locking nut and the first sleeve;
and a second locking nut is in threaded fit with the second thread section, is positioned below the second sleeve, and is provided with a gasket b.
7. The fastening device of claim 1, wherein: the both ends of connecting rod are connected with the horizontal pole of first U type bolt and the horizontal pole of second U type bolt respectively, and the connecting rod flushes the setting with the horizontal pole of first U type bolt and the horizontal pole of second U type bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663543.9U CN214116275U (en) | 2020-08-11 | 2020-08-11 | Fastening device for fastening distribution beam and Bailey beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663543.9U CN214116275U (en) | 2020-08-11 | 2020-08-11 | Fastening device for fastening distribution beam and Bailey beam |
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| Publication Number | Publication Date |
|---|---|
| CN214116275U true CN214116275U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021663543.9U Active CN214116275U (en) | 2020-08-11 | 2020-08-11 | Fastening device for fastening distribution beam and Bailey beam |
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| CN (1) | CN214116275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922073A (en) * | 2022-05-19 | 2022-08-19 | 中电建路桥集团有限公司 | Device for rapidly disassembling distribution beam in Bailey disc buckle bracket system |
-
2020
- 2020-08-11 CN CN202021663543.9U patent/CN214116275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922073A (en) * | 2022-05-19 | 2022-08-19 | 中电建路桥集团有限公司 | Device for rapidly disassembling distribution beam in Bailey disc buckle bracket system |
| CN114922073B (en) * | 2022-05-19 | 2023-09-05 | 中电建路桥集团有限公司 | Device for rapidly disassembling distribution beam in Bei Leipan buckle bracket system |
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