CN211772926U - Steel truss erects and uses displacement device - Google Patents
Steel truss erects and uses displacement device Download PDFInfo
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- CN211772926U CN211772926U CN201922188996.4U CN201922188996U CN211772926U CN 211772926 U CN211772926 U CN 211772926U CN 201922188996 U CN201922188996 U CN 201922188996U CN 211772926 U CN211772926 U CN 211772926U
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Abstract
The invention discloses a sliding device for erecting a steel truss girder, which comprises a spoke, a lower supporting platform, box shafts, rollers, roller shafts, telescopic rods and telescopic supporting components, wherein the lower supporting platform is of a box-shaped structure with a downward opening and a rectangular outline, three groups of mutually parallel spokes are fixed on the upper surface of the lower supporting platform through screws, the spoke is provided with a plurality of rollers, the rollers are rotatably connected with the spoke through the roller shafts, two groups of mutually parallel box shafts are arranged in the inner space of the lower supporting platform, the two groups of box shafts are respectively sleeved with one telescopic supporting component, and the telescopic supporting components comprise threaded pipes, hexagonal pipes and threaded shafts. This steel longeron erects and uses displacement device can place the horizontality in with lower supporting platform on unevenness's subaerial, is fit for generally using widely.
Description
Technical Field
The invention belongs to the field of steel truss girder erection, and particularly relates to a sliding device for steel truss girder erection.
Background
The steel truss girder bridge is a structural form that a solid-web steel plate girder bridge is hollow according to a certain rule, and the structure is a stress mode of the girder as a whole, namely a structure mainly bearing bending moment and shearing force. Comprises a brake connection system, a bridge floor, a support and a pier.
The existing steel truss girder erection process usually needs to translate the steel truss girder, the steel truss girder is troublesome to move on an uneven road surface, the resistance of horizontal translation due to the relationship of the drop is uneven when the steel truss girder translates due to the relationship of the drop, the steel truss girder can fall off due to uneven pulling force in the moving process, and the problem does not exist in the transportation process on the horizontal plane.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a sliding device for erecting a steel truss girder, so as to solve the problem of realizing stable translation of the steel truss girder in different road surface environments.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a steel truss erects and uses displacement device, including two sets of flexible supporting component and bottom surface opening, the profile is the lower bearing platform of rectangle box-like structure, this lower bearing platform top surface is equipped with the gyro wheel and moves material mechanism, two sets of flexible supporting component upper ends are respectively through a box axle rotation installation bearing platform appearance intracavity under, two box axle parallel arrangement are in same horizontal plane, these two flexible supporting component are connected with the telescopic link, accomodate the state through two sets of flexible supporting component of this telescopic link drive and switch over vertical support state and level simultaneously.
Furthermore, the telescopic support assembly comprises two internal thread pipes, the top ends of the two internal thread pipes are respectively arranged on the box shaft through connecting lugs, the middle lower parts of the two internal thread pipes are connected with connecting shafts, and the telescopic rods are rotatably connected with the telescopic support assembly through the connecting shafts;
a threaded shaft is connected with the inner thread of each internal threaded pipe in a threaded manner, a non-circular hole structure is concentrically arranged in each threaded shaft, and a ground contact plate is connected to the bottom end of each threaded shaft after the bottom end of each threaded shaft extends out of the internal threaded pipe;
the top surface of the lower supporting platform is provided with a platform hole corresponding to the structure of the non-circular hole in the threaded shaft.
Furthermore, a driving shaft with an appearance corresponding to the structural shape of the noncircular hole is axially and slidably arranged in the noncircular hole structure of the threaded shaft, a square hole or triangular hole or hexagonal hole structure is formed in the top surface of the driving shaft, a cylindrical part is coaxially arranged at the top end of the driving shaft, an annular clamping groove is formed in the outer shaft surface of the cylindrical part, a screw corresponding to the annular clamping groove is in threaded connection with the upper end of the inner threaded pipe, and the inner end of the screw extends into the annular clamping groove.
Further, the lower pot head of screw shaft is equipped with the bearing, the cover is equipped with the bearing housing on the bearing excircle, the ground contact board axle that the ground contact board set up through the level rotates and installs in the bearing housing bottom.
Further, the ground contact plate is installed at the bottom end of the threaded shaft through a universal joint.
Furthermore, the roller material moving mechanism comprises at least three spokes arranged on the top surface of the lower supporting platform in parallel, the spokes are of a U-shaped plate structure with an upward opening, and a plurality of rollers are rotatably arranged in a U-shaped groove of each spoke.
Compared with the prior art, the sliding device for erecting the steel truss girder has the following advantages:
the sliding device for erecting the steel truss girder is created, the telescopic supporting component can be stored in the space inside the lower side of the lower supporting platform during non-working, a large amount of storage space can be saved, and overlarge space is prevented from being occupied by traffic during transportation; the distance between the ground contact plate and the lower supporting platform is adjusted through the telescopic supporting assemblies, so that the lower supporting platform is adjusted to be in a horizontal state through the four telescopic supporting assemblies, and the required horizontal state of the steel truss girder in stable movement is realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic view of the upper structure of the present invention;
FIG. 2 is a schematic view of the structure of the lower side of the present invention;
FIG. 3 is a schematic structural view of the present invention with the lower supporting platform and the upper member removed;
FIG. 4 is an exploded view of the telescoping support assembly of the present invention;
FIG. 5 is a schematic view of the cross-section of the internally threaded tube according to the present invention;
FIG. 6 is a cross-sectional view of the telescopic supporting assembly according to the present invention;
fig. 7 is a top view of the drive shaft.
Description of reference numerals:
1-a spoke; 2-lower bearing platform; 3-a cartridge spindle; 4-a roller; 5-roller shaft; 6-a limiting pipe; 7-a telescopic rod; 8-a telescopic support assembly; 801-ground contact plate shaft; 802-ground contact plate; 803-bearing sleeves; 804-a bearing; 805-a threaded shaft; 806-a drive shaft; 8061-a cylindrical portion; 8062-annular card slot; 807-an internally threaded tube; 808-a screw; 10-holes; 11-connecting shaft.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
The sliding device for erecting the steel truss girder as shown in figures 1-7 comprises a wheel strip 1, a lower supporting platform 2, a box shaft 3, a roller 4, a roller shaft 5, a limit pipe 6, a telescopic rod 7 and two groups of telescopic supporting components 8, the lower supporting platform 2 is a box-shaped structure with a downward opening and a rectangular outline, and at least three parallel spokes 1 are fixed on the upper surface of the lower supporting platform 2 through screws, the spoke 1 is a U-shaped plate structure with an upward opening, for example, U-shaped steel can be directly used as the spoke structure, when in installation, the spokes 1 are fixed on the top surface of the lower supporting platform 2 through screws, a plurality of rollers 4 are arranged in a U-shaped groove of each spoke 1 along the length direction of the spoke 1, the rollers 4 are respectively rotatably mounted on the wheel strip 1 through a horizontally arranged roller shaft 5, and the roller shafts of the rollers 4 are arranged in parallel in the same horizontal plane. Two sets of flexible supporting component 8 set up about a vertical plane symmetry and hold the intracavity at bearing platform 2 down, and these two sets of flexible supporting component 8 upper ends rotate the installation through a box axle 3 separately and hold the chamber lateral wall at bearing platform 2 down, and two mutual parallel arrangement of box axle 3 just are located same horizontal plane, are connected with telescopic link 7 between two flexible supporting component 8, accomodate the state through this telescopic link 7 drive two sets of flexible supporting component 8 and carry out vertical support state and level simultaneously and switch. When two sets of flexible supporting component 8 are vertical, realize supporting bearing platform 2 down, accomodate in bearing platform 2 appearance intracavity under when two sets of flexible supporting component 8 are the horizontality. In order to save space, in this embodiment, when the two sets of telescopic supporting components 8 are accommodated, the bottom ends of the two sets of telescopic supporting components 8 are opposite.
Specifically, the telescopic supporting component 8 comprises two internal threaded pipes 807, and the two groups of telescopic supporting components 8 are provided with four internal threaded pipes 807 in total, and the four internal threaded pipes 807 are arranged in a square structure. The top ends of the two internal thread pipes 807 of each telescopic supporting component 8 are respectively arranged on the box shaft 3 through connecting lugs, the two internal thread pipes 807 are connected with a connecting shaft 11 at the middle lower part, the telescopic rod 7 is rotatably connected with the telescopic supporting component 8 through the connecting shaft 11, and the telescopic rod 7 is preferably of an electric telescopic rod structure. A threaded shaft 805 is connected in each internal threaded pipe 807 in a matching threaded manner, a ground contact plate 802 is connected after the internal threaded pipe 807 extends out of the bottom end of the threaded shaft 805, and a non-circular hole structure is arranged in the threaded shaft 805 and is a square hole or a triangular hole or a hexagonal hole structure in order to drive the threaded shaft 805 to rotate in the internal threaded pipe 807. The top surface of the lower supporting platform 2 is provided with a platform hole 10 corresponding to the structure of the non-circular hole in the threaded shaft 805, so that a tool for rotating the threaded shaft can be used. In this embodiment, a non-circular hole structure is exemplified as a hexagonal hole structure. The clamping end of the inner hexagonal screwdriver penetrates through the table hole 10 and then is inserted into the hexagonal hole of the threaded shaft in a matching mode, the inner hexagonal screwdriver is rotated to drive the threaded shaft 805 to rotate synchronously, the inner threaded pipe 807 is installed on the box shaft 3 and cannot rotate, therefore, the threaded shaft 805 rotates and moves vertically and downwards relative to the inner threaded pipe 807 at the same time until the ground contact plate 802 installed at the bottom end of the threaded shaft abuts against the ground, the telescopic length of the threaded shaft 805 of each inner threaded pipe is adjusted according to specific ground environments to adapt to grounds with different outlines, the lower supporting table is placed in a horizontal state on the uneven ground, and finally the top surface of the lower supporting table 2 is horizontally supported and transferred. In this embodiment, in order to facilitate the operation of the threaded shaft 805, a driving shaft 806 having a regular hexagonal shape is slidably mounted in a hexagonal hole of the threaded shaft 805 in a matching manner, the driving shaft 806 is slidably mounted in the hexagonal hole in an axial direction, and the driving shaft 806 has a square hole, a triangular hole, or a hexagonal hole structure on a top surface thereof. In order to ensure that the axial position of the driving shaft 806 is fixed, the top end of the driving shaft 806 is coaxially provided with a cylindrical portion 8061, an annular clamping groove 8062 is formed in the outer axial surface of the cylindrical portion 8061, the upper end of the internal threaded pipe 807 is in threaded connection with a screw 808 corresponding to the annular clamping groove 8062, the inner end of the screw 808 extends into the annular clamping groove 8062, the position of the driving shaft 806 in the vertical direction relative to the internal threaded pipe 807 is limited, and the position fixation of the driving shaft 806 in the vertical direction is ensured. In practice, a special tool such as an allen screw driver is inserted through the table hole 10 to drive the driving shaft 806 to rotate, and further to drive the threaded shaft 805 to rotate, and the driving shaft 806 is connected with the threaded shaft 805 in a sliding manner in the vertical direction, so that the threaded shaft 805 moves downwards until the ground contact plate 802 mounted at the bottom end of the threaded shaft abuts against the ground.
In this embodiment, in order to improve the practicability of the ground contact plate 802, there are two connection methods of the ground contact plate 802 and the threaded shaft 805, and one connection method is that the ground contact plate 802 and the threaded shaft 805 are connected by a universal joint. Another connection mode is that a bearing 804 is sleeved at the lower end of the threaded shaft 805, a bearing sleeve 803 is sleeved on the outer circle of the bearing 804, and the ground contact plate 802 is rotatably installed at the bottom end of the bearing sleeve 803 through a horizontally arranged ground contact plate shaft 801. In both of these ways, the angle of inclination of the ground contact plate 802 can be adjusted to provide a good fit with the ground, and in this embodiment, the ground contact plate shaft 801 is preferably of a disc-shaped configuration.
In this embodiment, since the two internal threaded tubes 807 of each telescopic supporting component 8 are respectively sleeved on the box shaft 3 through the connecting lugs, in order to stabilize the two internal threaded tubes 807 relative to the axial position of the box body 3, the box body 3 is sleeved with the limiting tube 6 at a position between the two connecting lugs.
The working principle of the device is that the telescopic rod 7 extends out to adjust the two groups of telescopic supporting components 8 to be in a vertical state, the hexagonal hole in the top end of the driving shaft 806 faces the bench hole 10, then a screwdriver penetrates through the bench hole 10 to enter the hexagonal hole above the driving shaft 806, the driving shaft 806 rotates with the rotary threaded shaft 805, the threaded shaft 805 extends out from the lower part of the internal threaded pipe 807 when rotating, the ground contact plate 802 props against the ground to support the lower supporting platform 2 after the threaded shaft 805 extends out to a certain length, the telescopic supporting components 8 are adjusted to different lengths to adapt to the ground with different outlines, therefore, the upper surface of the lower supporting platform 2 is adjusted to be in a horizontal state, and the steel truss is transported in a sliding mode through the rollers 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a steel truss erects and uses displacement device which characterized in that: including two sets of flexible supporting component (8) and bottom surface opening, the profile is lower bearing platform (2) of rectangle box structure, this lower bearing platform (2) top surface is equipped with the gyro wheel and moves the material mechanism, two sets of flexible supporting component (8) upper ends rotate respectively through a box axle (3) and install bearing platform (2) under and hold the intracavity, two box axle (3) parallel arrangement are in same horizontal plane, these two flexible supporting component (8) are connected with telescopic link (7), accomodate the state through this telescopic link (7) two sets of flexible supporting component (8) of drive and switch over vertical support state and level simultaneously.
2. The sliding device for erecting the steel truss girder according to claim 1, wherein: the telescopic supporting component (8) comprises two internal thread pipes (807), the top ends of the two internal thread pipes (807) are respectively installed on the box shaft (3) through connecting lugs, the middle lower parts of the two internal thread pipes (807) are connected with a connecting shaft (11), and the telescopic rod (7) is rotatably connected with the telescopic supporting component (8) through the connecting shaft (11);
a threaded shaft (805) is in threaded connection with the inner part of each internal threaded pipe (807), a non-circular hole structure is concentrically arranged in each threaded shaft (805), and a ground contact plate (802) is connected to the bottom end of each threaded shaft (805) after extending out of the internal threaded pipe (807);
the top surface of the lower supporting platform (2) is provided with a platform hole (10) corresponding to the structure of the non-circular hole in the threaded shaft (805).
3. The sliding device for erecting the steel truss girder according to claim 2, wherein: the thread shaft (805) is provided with a driving shaft (806) in a non-circular hole structure in an axial sliding mode, the shape of the driving shaft (806) corresponds to that of the non-circular hole structure, the top surface of the driving shaft (806) is provided with a square hole or a triangular hole or a hexagonal hole structure, the top end of the driving shaft (806) is coaxially provided with a cylindrical part (8061), the outer shaft surface of the cylindrical part (8061) is provided with an annular clamping groove (8062), the upper end of the internally threaded pipe (807) is in threaded connection with a screw (808) corresponding to the annular clamping groove (8062), and the inner end of the screw (808) extends into the annular clamping groove (8062.
4. The sliding device for erecting the steel truss girder according to claim 2, wherein: the lower pot head of screw thread axle (805) is equipped with bearing (804), the cover is equipped with bearing housing (803) on bearing (804) excircle, ground contact board (802) rotate through ground contact board axle (801) that the level set up and install in bearing housing (803) bottom.
5. The sliding device for erecting the steel truss girder according to claim 2, wherein: the ground contact plate (802) is mounted at the bottom end of a threaded shaft (805) by a universal joint.
6. A sliding device for erecting a steel truss girder according to any one of claims 1-5, wherein: the roller material moving mechanism comprises at least three spokes (1) arranged on the top surface of the lower supporting platform (2) in parallel, the spokes (1) are of U-shaped plate structures with upward openings, and a plurality of rollers (4) are arranged in the U-shaped groove of each spoke (1) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188996.4U CN211772926U (en) | 2019-12-09 | 2019-12-09 | Steel truss erects and uses displacement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188996.4U CN211772926U (en) | 2019-12-09 | 2019-12-09 | Steel truss erects and uses displacement device |
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| CN211772926U true CN211772926U (en) | 2020-10-27 |
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| CN201922188996.4U Active CN211772926U (en) | 2019-12-09 | 2019-12-09 | Steel truss erects and uses displacement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820599A (en) * | 2019-12-09 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Steel truss erects and uses displacement device |
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- 2019-12-09 CN CN201922188996.4U patent/CN211772926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820599A (en) * | 2019-12-09 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Steel truss erects and uses displacement device |
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