CN214981975U - Prefabricated box girder combined steel pedestal - Google Patents
Prefabricated box girder combined steel pedestal Download PDFInfo
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- CN214981975U CN214981975U CN202120449421.8U CN202120449421U CN214981975U CN 214981975 U CN214981975 U CN 214981975U CN 202120449421 U CN202120449421 U CN 202120449421U CN 214981975 U CN214981975 U CN 214981975U
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- box girder
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Abstract
The utility model discloses a precast box girder combined steel pedestal, which comprises a base, wherein a concrete block is fixedly arranged in the middle of the upper end of the base, a supporting plate is fixedly arranged at the front part of the right end and the rear part of the right end of the concrete block, a chute is respectively arranged in the middle of the upper ends of the two supporting plates, the chute walls of the two chutes are jointly provided with a sliding steel plate device, the left part and the right part of the upper end of the sliding steel plate device are respectively provided with a supporting device, and the middle parts of the inner cavities of the two supporting devices are respectively provided with a stabilizing device; this prefabricated box girder combination steel pedestal in time adjusts the position that shaped steel supported through the size of prefabricated box girder, need not to make the base of different specifications, and reduction in production cost conveniently carries out whole dismantlement, segmentation between shaped steel support and the corrosion resistant plate through rotating limit screw and assembles, thereby because the change of inside and outside pressure makes the firm absorption of sucking disc on the base, improve equipment's overall stability.
Description
Technical Field
The utility model relates to a combination steel pedestal technical field, concretely relates to prefabricated box girder combination steel pedestal.
Background
Highway bridges, in particular highway bridges, require prefabricated small box girders to really realize the integration of interior and exterior beauty and the integration of nature. At present, the bridge beam slab is prefabricated generally by adopting a centralized prefabrication method in a prefabrication factory, and the bridge beam slab is prefabricated firstly and then installed. In the beam slab prefabricating process, firstly, a plurality of bridge bases are manufactured according to the beam slab prefabricating quantity, the construction period and the construction sequence, and each beam slab is prefabricated on the slab base. Because the span of the bridge is different, the required beam slab length is also different, and different bases must be manufactured.
The existing concrete base used for prefabricating the box girder has the following problems: 1. the box girder combined steel pedestal has the advantages that the geometric structure is definite, the adjustment cannot be realized, when the box girder specifications are different, bases with different specifications must be manufactured, a large number of temporary construction sites need to be expropriated, the production cost is increased, the repeated use in different places cannot be realized, the applicability is poor, and 3, the prefabricated box girder combined steel pedestal is easy to shake when in use, so that the stability is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a precast box girder combination steel pedestal to reach the purpose that conveniently adjusts, reduction in production cost, make things convenient for the dismouting to improve the suitability and improve stability.
The utility model discloses a main aim at provides a prefabricated box girder combination steel pedestal can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prefabricated box girder combination steel pedestal, includes the base, the upper end middle part fixed mounting of base has the concrete piece, the right-hand member front portion and the equal fixed mounting in right-hand member rear portion of concrete piece have a backup pad, two a spout, two have all been seted up at the upper end middle part of backup pad the cell wall of spout is provided with the sliding steel plate device jointly, the upper end left part and the upper end right part of sliding steel plate device all are provided with a strutting arrangement, two strutting arrangement's inner chamber middle part all is provided with a securing device.
Preferably, the sliding steel plate device includes positive and negative threaded rod, positive and negative threaded rod runs through the right side cell wall and the fixed mounting of spout has positive and negative motor, the equal threaded connection in surface left part and the surface right part of positive and negative threaded rod has a slider, two the equal fixed mounting in upper end of slider has a corrosion resistant plate, two the equal fixed mounting in lower extreme rear portion of corrosion resistant plate has a movable block, two the opposite face middle part of movable block alternates jointly and is connected with the gag lever post, positive and negative threaded rod alternates to connect sliding steel plate device and backup pad swing joint at the cell wall of spout.
Preferably, strutting arrangement includes that shaped steel supports, the upper end front portion and the upper end rear portion that shaped steel supported all alternate and are connected with a stop screw, two stop screw's the equal threaded connection in surface upper portion has a nut, shaped steel supports fixed connection and is in the same place strutting arrangement and sliding steel plate device fixed connection at sliding steel plate device's upper end left part and upper end right part.
Preferably, the stabilizing device comprises a transverse plate, the front part and the rear part of the upper end of the transverse plate are both fixedly provided with a telescopic power machine, the output ends of the two telescopic power machines are both electrically connected with a telescopic rod, the lower ends of the two telescopic rods are both fixedly provided with a sucker, and the transverse plate is fixedly connected with the inner cavity of the supporting device to fixedly connect the stabilizing device and the supporting device.
Preferably, the lower end of the stabilizer contacts the upper end of the base.
Preferably, the sliding steel plate device and the base are kept in a parallel position relation.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the prefabricated box girder is prevented from being arranged on the upper surface of a concrete block, a positive and negative threaded rod is driven to rotate through a positive and negative motor, so that two groups of sliding blocks are driven to mutually approach when sliding along the positive and negative threaded rod in opposite directions left and right, and further two groups of stainless steel plates are driven to mutually approach, then two groups of profile steel supports are driven to mutually approach and contact the left side and the right side of the prefabricated box girder when sliding left and right, the position of the profile steel supports is timely adjusted according to the size of the prefabricated box girder, bases with different specifications do not need to be manufactured, and the production cost is reduced;
two, support and corrosion resistant plate as the sub-assembly through shaped steel, thereby conveniently carry out the whole dismantlement between shaped steel support and the corrosion resistant plate through rotating limit screw, the segmentation is assembled, adjust pedestal effective length according to actual need, the turnover is nimble, the suitability is strong, it is flexible to drive the telescopic link through flexible engine, thereby extrude the inside air of sucking disc when making the telescopic link extension, thereby because thereby the change of inside and outside pressure makes the firm absorption of sucking disc on the base, improve equipment's overall stability.
Drawings
Fig. 1 is a schematic view of the overall structure of a prefabricated box girder combined steel pedestal of the present invention;
fig. 2 is a schematic structural view of a sliding steel plate device of a prefabricated box girder combined steel pedestal of the present invention;
fig. 3 is a schematic structural view of a supporting device of the prefabricated box girder combined steel pedestal of the present invention;
fig. 4 is the utility model relates to a stabilising arrangement structural sketch of prefabricated box girder combination steel pedestal.
In the figure: 1. a base; 2. a concrete block; 3. a support plate; 4. a chute; 5. a sliding steel plate device; 6. a support device; 7. a securing device; 51. a positive and negative threaded rod; 52. a positive and negative motor; 53. a slider; 54. a stainless steel plate; 55. a movable block; 56. a limiting rod; 61. supporting the section steel; 62. a limit screw; 63. a nut; 71. a transverse plate; 72. a telescopic power machine; 73. a telescopic rod; 74. and (4) sucking discs.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a prefabricated box girder combined steel pedestal comprises a base 1, a concrete block 2 is fixedly mounted in the middle of the upper end of the base 1, a supporting plate 3 is fixedly mounted on the front portion of the right end and the rear portion of the right end of the concrete block 2, a sliding groove 4 is formed in the middle of the upper end of each of the two supporting plates 3, sliding steel plate devices 5 are jointly arranged on the groove walls of the two sliding grooves 4, supporting devices 6 are arranged on the left portion of the upper end and the right portion of the upper end of each of the sliding steel plate devices 5, and a stabilizing device 7 is arranged in the middle of the inner cavity of each of the two supporting devices 6.
The sliding steel plate device 5 comprises a positive and negative threaded rod 51, the positive and negative threaded rod 51 penetrates through the right side groove wall of the sliding groove 4 and is fixedly provided with a positive and negative motor 52, the left part and the right part of the outer surface of the positive and negative threaded rod 51 are both in threaded connection with a sliding block 53, the upper ends of the two sliding blocks 53 are both fixedly provided with a stainless steel plate 54, the rear parts of the lower ends of the two stainless steel plates 54 are both fixedly provided with a movable block 55, the middle parts of the opposite surfaces of the two movable blocks 55 are jointly and alternately connected with a limiting rod 56, and the positive and negative threaded rod 51 is alternately connected with the groove wall of the sliding groove 4 to movably connect the sliding steel plate device 5 with the supporting plate 3; the supporting device 6 comprises a profile steel support 61, the position of the profile steel support 61 is timely adjusted according to the size of a prefabricated box girder, bases 1 with different specifications do not need to be manufactured, production cost is reduced, the front part of the upper end and the rear part of the upper end of the profile steel support 61 are respectively and alternately connected with a limit screw 62, integral disassembly and segmented assembly between the profile steel support 61 and a stainless steel plate 54 are conveniently carried out by rotating the limit screws 62, the effective length of a pedestal is adjusted according to actual requirements, turnover is flexible, applicability is strong, the upper parts of the outer surfaces of the two limit screws 62 are respectively in threaded connection with a nut 63, the profile steel support 61 is fixedly connected to the left part of the upper end and the right part of the upper end of a sliding steel plate device 5, and the supporting device 6 and the sliding steel plate device 5 are fixedly connected together; the stabilizing device 7 comprises a transverse plate 71, the front part and the rear part of the upper end of the transverse plate 71 are fixedly provided with a telescopic power machine 72, the output ends of the two telescopic power machines 72 are electrically connected with a telescopic rod 73, air in the suction cup 74 is extruded when the telescopic rod 73 is extended, the suction cup 74 is firmly adsorbed on the base 1 due to the change of internal and external pressure intensity, the overall stability of the equipment is improved, the lower ends of the two telescopic rods 73 are fixedly provided with the suction cup 74, and the transverse plate 71 is fixedly connected with the inner cavity of the supporting device 6 to fixedly connect the stabilizing device 7 and the supporting device 6; the lower end of the stabilizing device 7 is contacted with the upper end of the base 1; the sliding steel plate device 5 and the base 1 are maintained in a parallel positional relationship.
It should be noted that, the utility model relates to a prefabricated box girder combination steel pedestal, prevent the prefabricated box girder at the upper surface of concrete block 2, drive positive and negative threaded rod 51 through positive and negative motor 52 and rotate, thereby drive two sets of sliders 53 to be close to each other when positive and negative threaded rod 51 slides in left and right opposite directions, and then drive two sets of corrosion resistant plate 54 to be close to each other, then drive two sets of shaped steel supports 61 to be close to each other and contact the left and right sides of prefabricated box girder when sliding left and right, in time adjust the position of shaped steel support 61 according to the size of prefabricated box girder, need not to make the base 1 of different specifications, reduce manufacturing cost; support 61 and corrosion resistant plate 54 for the sub-assembly through shaped steel, thereby conveniently carry out the whole dismantlement between shaped steel support 61 and the corrosion resistant plate 54 through rotating limit screw 62, the segmentation is assembled, adjust the pedestal effective length according to actual need, the turnover is nimble, the suitability is strong, it is flexible to drive telescopic link 73 through flexible power machine 72, thereby extrude the inside air of sucking disc 74 when making telescopic link 73 prolong, thereby make firm the absorption on base 1 of sucking disc 74 because the change of inside and outside pressure, improve equipment's overall stability.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a precast box girder combination steel pedestal, includes base (1), its characterized in that: the utility model discloses a concrete block's structure, including base (1), upper end middle part fixed mounting have concrete block (2), the right-hand member front portion and the equal fixed mounting in right-hand member rear portion of concrete block (2) have one backup pad (3), two one spout (4), two have all been seted up at the upper end middle part of backup pad (3) the cell wall of spout (4) is provided with sliding steel plate device (5) jointly, the upper end left part and the upper end right part of sliding steel plate device (5) all are provided with one strutting arrangement (6), two the inner chamber middle part of strutting arrangement (6) all is provided with one securing device (7).
2. A precast box girder composite steel deck as set forth in claim 1, wherein: sliding steel plate device (5) are including positive and negative threaded rod (51), positive and negative threaded rod (51) run through the right side cell wall and fixed mounting of spout (4) have positive and negative motor (52), the surface left part and the equal threaded connection in surface right part of positive and negative threaded rod (51) have a slider (53), two the equal fixed mounting in upper end of slider (53) has a corrosion resistant plate (54), two the equal fixed mounting in lower extreme rear portion of corrosion resistant plate (54) has a movable block (55), two the opposite face middle part of movable block (55) alternates jointly and is connected with gag lever post (56), positive and negative threaded rod (51) alternate and connect cell wall at spout (4) with sliding steel plate device (5) and backup pad (3) swing joint.
3. A precast box girder composite steel deck as set forth in claim 1, wherein: strutting arrangement (6) are including shaped steel support (61), shaped steel support's (61) upper end front portion and upper end rear portion all alternate and are connected with a stop screw (62), two the equal threaded connection in surface upper portion of stop screw (62) has a nut (63), shaped steel support (61) fixed connection is in the same place strutting arrangement (6) and sliding steel plate device (5) fixed connection at the upper end left part and the upper end right part of sliding steel plate device (5).
4. A precast box girder composite steel deck as set forth in claim 1, wherein: the fixing device (7) comprises a transverse plate (71), the front part and the rear part of the upper end of the transverse plate (71) are fixedly provided with a telescopic power machine (72), the output ends of the two telescopic power machines (72) are electrically connected with a telescopic rod (73), the lower ends of the two telescopic rods (73) are fixedly provided with a sucker (74), and the transverse plate (71) is fixedly connected with the inner cavity of the supporting device (6) to fixedly connect the fixing device (7) and the supporting device (6).
5. A precast box girder composite steel deck as set forth in claim 1, wherein: the lower end of the stabilizing device (7) is in contact with the upper end of the base (1).
6. A precast box girder composite steel deck as set forth in claim 1, wherein: the sliding steel plate device (5) and the base (1) keep a parallel position relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120449421.8U CN214981975U (en) | 2021-03-02 | 2021-03-02 | Prefabricated box girder combined steel pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120449421.8U CN214981975U (en) | 2021-03-02 | 2021-03-02 | Prefabricated box girder combined steel pedestal |
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| Publication Number | Publication Date |
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| CN214981975U true CN214981975U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120449421.8U Active CN214981975U (en) | 2021-03-02 | 2021-03-02 | Prefabricated box girder combined steel pedestal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533368A (en) * | 2023-03-27 | 2023-08-04 | 四川省交通建设集团有限责任公司 | Adjustable pedestal |
-
2021
- 2021-03-02 CN CN202120449421.8U patent/CN214981975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533368A (en) * | 2023-03-27 | 2023-08-04 | 四川省交通建设集团有限责任公司 | Adjustable pedestal |
| CN116533368B (en) * | 2023-03-27 | 2024-04-16 | 四川省交通建设集团有限责任公司 | Adjustable pedestal |
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