CN217629443U - Elevation control device for assembled seamless expansion joint - Google Patents
Elevation control device for assembled seamless expansion joint Download PDFInfo
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- CN217629443U CN217629443U CN202221283306.9U CN202221283306U CN217629443U CN 217629443 U CN217629443 U CN 217629443U CN 202221283306 U CN202221283306 U CN 202221283306U CN 217629443 U CN217629443 U CN 217629443U
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Abstract
The utility model relates to an elevation control device of an assembled seamless expansion joint, which comprises a cross rod, wherein two ends of the cross rod are respectively provided with a lifting pin, and the cross rod is provided with a level gauge; the lifting foot comprises a metal supporting plate and a lifting rod, the lifting rod comprises a lower section, an upper section which can be inserted into the lower section in a pluggable manner and a positioning structure which enables the upper section and the lower section to be fixed together, a threaded column and an internal thread sleeve which is in threaded connection with the threaded column are arranged on the metal supporting plate, a threaded section which is in threaded connection with the internal thread sleeve is arranged at the lower end of the lower section, the upper end of the upper section is fixedly connected with the cross rod, the threaded section is in butt joint with the threaded column, and the internal thread sleeve can move to be only sleeved on the lower section. The utility model aims at providing an elevation controlling means of assembled seamless expansion joint that most component can carry out used repeatedly has solved current assembled seamless expansion joint's elevation controlling means problem that can only use once.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to elevation controlling means of assembled seamless expansion joint.
Background
The expansion joint is an important component of the upper structure of the bridge, not only must coordinate displacement and deformation caused by vehicle load and temperature change, but also must enable the vehicle to smoothly pass through the position where the expansion joint is arranged, the quality of the expansion joint directly influences the driving comfort level and the service life, and the expansion joint is a key problem in bridge construction which must be emphasized. In order to meet the requirements and along with the continuous development of bridge construction technology, the assembled expansion joint has the advantages of high construction speed, low construction cost, good effect and the like, and is applied more and more in the bridge expansion joint. Assembled seamless expansion joint is for making into a diaphragm with the material that can warp (such as rubber), installs the place that needs set up the expansion joint at the bridge floor, and the deformation that provides with the material is flexible when required deformation space. In the work progress at present assembled seamless expansion joint, elevation control need be carried out, current control elevation's method does, set up a datum point in two sides of expansion joint individually, then weld two lift feet of elevation device on two datum points, the height of adjustment lift foot highly accords with the elevation requirement to the horizontal pole and keeps the level, make assembled seamless expansion joint upper surface butt on the lower surface of horizontal pole during installation assembled seamless expansion joint, thereby make with the horizontal pole keep parallel and high butt in the control of horizontal pole elevation especially important, and assembled seamless expansion joint keeps level and elevation to accord with the requirement. After the assembled seamless expansion joints are installed, the bridge deck is poured from the position between the assembled seamless expansion joints to the position where the thickness of the bridge deck meets the requirement. The device for carrying out elevation on the existing assembled seamless expansion joint is disposable, so that material waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevation controlling means of assembled seamless expansion joint that most component can carry out used repeatedly has solved current assembled seamless expansion joint's elevation controlling means problem that can only use once.
The technical problems are solved by the following technical scheme: the elevation control device for the assembled seamless expansion joint comprises a cross rod, wherein two ends of the cross rod are respectively provided with a lifting pin; the lifting foot comprises a metal supporting plate and a lifting rod, the lifting rod comprises a lower section, an upper section which can be inserted into the lower section in a plugging mode and a positioning structure which enables the upper section and the lower section to be fixed together, a threaded column and an internal thread sleeve which is in threaded connection with the threaded column are arranged on the metal supporting plate, a threaded section which is in threaded connection with the internal thread sleeve is arranged at the lower end of the lower section, the upper end of the upper section is fixedly connected with the cross rod, the threaded section is in butt joint with the threaded column, and the internal thread sleeve can move to be only sleeved on the lower section. During the use, with the overhead realization of the reinforcing bar of metal support plate welding on the benchmark the utility model discloses a fixed, then adjustment lifter length arrives the utility model discloses a highly meet the requirements, use the completion back, rotate the internal thread cover and take off from the screw thread post, the metal support plate is abandoned and need not, used repeatedly when other parts carry out next assembled seamless expansion joint elevation.
Preferably, the side surface of the metal support plate is provided with burrs. The convenience in welding can be improved.
Preferably, the upper section is provided with scale marks; the positioning structure comprises an upper section bolt hole, a bolt and a plurality of lower section bolt holes, wherein the upper section bolt hole is formed in the upper section, the lower section bolt holes are formed in the lower section, and the lower section bolt holes are distributed along the vertical direction; when the bolt hole of the upper section part is aligned with the bolt hole of the lower section part, one of the scale marks is aligned with the upper end surface of the lower section; the width value corresponding to the scale mark aligned with the upper end surface of the lower section is the distance between the lower surface of the cross rod and the lower surface of the metal support plate. Can conveniently make according to the elevation requirement the utility model discloses a highly reach the requirement, need not the tape measure and measure.
Preferably, the inner circumferential surface of the lower section is provided with a vertically extending rotation stopping groove, the lower end of the upper section is provided with a rotation stopping block penetrating the rotation stopping groove, and the lower section is of a round rod structure. Can prevent to rotate the convenience when internal thread cover makes the lifter wear to establish to and improve upper segment portion bolt hole and lower segment portion bolt hole alignment.
The utility model discloses still include a plurality of screw end cap, the outer end of screw end cap is equipped with the major diameter section, and the quantity of screw end cap is one less than the quantity of lower section portion bolt hole, lower section portion bolt hole is the screw hole, and each screw end cap each threaded connection is in one lower section portion bolt hole, the bolt is located upper segment portion bolt hole, upper segment portion bolt hole is equipped with the drive the bolt stretches out upper segment portion bolt hole and inserts the spring in upper segment portion bolt hole; when the threaded plug is positioned in the bolt hole of the lower section part and the large-diameter section is abutted with the outer peripheral surface of the lower section of the first lifting foot part, the threaded plug can prevent the bolt from being inserted into the bolt hole of the lower section part. When the bolt is required to be inserted into the lower section bolt hole during use, the corresponding lower section bolt hole is not required to be plugged according to the threaded plug. Can conveniently make the bolt insert upper and lower section portion bolt hole simultaneously.
Preferably, a groove extending in the vertical direction is formed in the inner circumferential surface of the lower section, one end of the bolt is located in the groove, a bolt hole in the lower section is formed in the groove, and the threaded plug is provided with a conical head; when the outer peripheral surfaces of the large-diameter section and the lower section are abutted together, the ball conical head is positioned in the groove and the bolt hole of the lower section at the same time. The length precision requirement on the manufacturing of the threaded plug can be reduced.
The utility model has the advantages that: on one hand, the elevation can be adjusted to a set height by measuring without a ruler so as to control the elevation of the assembled seamless expansion joint, ensure the construction quality of the assembled seamless expansion joint and ensure the safety and stability of the subsequent bridge operation; on the other hand, the construction efficiency of manufacturing the assembled seamless expansion joint can be improved, and the construction progress is accelerated; the components other than the metal support plate can be recycled.
Drawings
Fig. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a lifter;
FIG. 3 is a schematic view of the lower portion of the lifting foot;
FIG. 4 is a schematic view of the lift pins of the second embodiment;
fig. 5 is a partially enlarged schematic view of a portion a of fig. 4.
In the figure: the horizontal pole 1, spirit level 2, metal support plate 3, lower section 4, upper segment 5, screw thread post 20, internal thread cover 6, screw thread section 7, deckle edge 8, scale mark 9, upper segment portion bolt hole 10, bolt 11, lower segment portion bolt hole 12, spline groove 13, spline piece 14, screw thread end cap 15, major diameter section 16, spring 17, slot 18, cone 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the first embodiment, referring to fig. 1 to 3, an elevation control device for an assembled seamless expansion joint comprises a cross rod 1, wherein one end of the cross rod is provided with a lifting foot. A level gauge 2 is arranged on the cross bar; the lifting foot comprises a metal supporting plate 3 and a lifting rod, wherein the lifting rod comprises a lower section 4, an upper section 5 which can be inserted on the lower section in a plugging manner and a positioning structure which enables the upper section and the lower section to be fixed together. The metal supporting plate is provided with a threaded column 20 and an internal thread sleeve 6 which is in threaded connection with the threaded column, the lower end of the lower section is provided with a threaded section 7 which is in threaded connection with the internal thread sleeve, the upper end of the upper section is fixedly connected with the cross rod, the threaded section is in butt connection with the threaded column, and the internal thread sleeve can move to be only sleeved on the lower section. The side of the metal support plate is provided with burrs 8. The upper section is provided with scale marks 9; the positioning structure comprises an upper section bolt hole 10 and a bolt 11 which are arranged on the upper section and a plurality of lower section bolt holes 12 which are arranged on the lower section, wherein the lower section bolt holes are through holes and are distributed along the up-down direction; when the bolt hole of the upper section part is aligned with the bolt hole of the lower section part, one of the scale marks is aligned with the upper end surface of the lower section; the width value corresponding to the scale mark aligned with the upper end surface of the lower section is the distance between the lower surface of the cross rod and the lower surface of the metal support plate.
The second embodiment is different from the first embodiment in that:
referring to fig. 4 and 5, a vertically extending rotation stopping groove 13 is formed on the inner peripheral surface of the lower section, a rotation stopping block 14 penetrating the rotation stopping groove is formed at the lower end of the upper section, and the lower section is of a round bar structure. The positioning structure further comprises a plurality of threaded plugs 15, the outer ends of the threaded plugs are provided with large-diameter sections 16, the number of the threaded plugs is one less than that of the lower-section bolt holes, the lower-section bolt holes are threaded holes, each threaded plug is connected into one lower-section bolt hole in a threaded manner, the bolts are located in the upper-section bolt holes, and the upper-section bolt holes are provided with springs 17 for driving the bolts to extend out of the upper-section bolt holes and to be inserted into the upper-section bolt holes; when the threaded plug is positioned in the bolt hole of the lower section part and the large-diameter section is abutted with the outer peripheral surface of the lower section of the first lifting foot part, the threaded plug can prevent the bolt from being inserted into the bolt hole of the lower section part. The inner circumferential surface of the lower section is provided with a groove 18 extending along the up-down direction, one end of the bolt is positioned in the groove, a bolt hole at the lower section part is arranged in the groove, and the threaded plug is provided with a conical head 19; when the outer peripheral surfaces of the large-diameter section and the lower section are abutted together, the spherical conical head is simultaneously positioned in the groove and the bolt hole of the lower section.
Claims (6)
1. The elevation control device for the assembled seamless expansion joint comprises a cross rod, wherein two ends of the cross rod are respectively provided with a lifting pin; the lifting foot comprises a metal supporting plate and a lifting rod, the lifting rod comprises a lower section, an upper section which can be inserted into the lower section in a plugging mode and a positioning structure which enables the upper section and the lower section to be fixed together, a threaded column and an internal thread sleeve which is in threaded connection with the threaded column are arranged on the metal supporting plate, a threaded section which is in threaded connection with the internal thread sleeve is arranged at the lower end of the lower section, the upper end of the upper section is fixedly connected with the cross rod, the threaded section is in butt joint with the threaded column, and the internal thread sleeve can move to be only sleeved on the lower section.
2. The elevation control device for an assembled seamless expansion joint according to claim 1, wherein the side of the metal support plate is provided with burrs.
3. The elevation control device for the assembled seamless expansion joint as claimed in claim 1 or 2, wherein the upper section is provided with scale marks; the positioning structure comprises an upper section bolt hole, a bolt and a plurality of lower section bolt holes, wherein the upper section bolt hole is formed in the upper section, the lower section bolt holes are formed in the lower section, and the lower section bolt holes are distributed along the vertical direction; when the bolt hole of the upper section part is aligned with the bolt hole of the lower section part, one of the scale marks is aligned with the upper end surface of the lower section; the width value corresponding to the scale mark aligned with the upper end surface of the lower section is the distance from the lower surface of the cross rod to the lower surface of the metal support plate.
4. The elevation control device for the assembled seamless expansion joint according to claim 3, wherein the inner circumferential surface of the lower section is provided with a vertically extending rotation stopping groove, the lower end of the upper section is provided with a rotation stopping block penetrating the rotation stopping groove, and the lower section is of a round rod structure.
5. The elevation control device for the assembled seamless expansion joint as claimed in claim 3, further comprising a plurality of screw plugs, wherein the outer ends of the screw plugs are provided with large diameter sections, the number of the screw plugs is one less than the number of the lower section bolt holes, the lower section bolt holes are screw holes, each screw plug is screwed into one lower section bolt hole, the bolt is located in the upper section bolt hole, and the upper section bolt hole is provided with a spring for driving the bolt to extend out of the upper section bolt hole and to be inserted into the upper section bolt hole; when the threaded plug is positioned in the bolt hole of the lower section part and the large-diameter section is abutted with the outer peripheral surface of the lower section of the first lifting foot part, the threaded plug can prevent the bolt from being inserted into the bolt hole of the lower section part.
6. The elevation control device for the assembled seamless expansion joint as claimed in claim 5, wherein the inner peripheral surface of the lower section is provided with a groove extending in the up-down direction, one end of the bolt is positioned in the groove, the bolt hole of the lower section is arranged in the groove, and the threaded plug is provided with a conical head; when the outer peripheral surfaces of the large-diameter section and the lower section are abutted together, the conical head is simultaneously positioned in the groove and the bolt hole of the lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283306.9U CN217629443U (en) | 2022-05-26 | 2022-05-26 | Elevation control device for assembled seamless expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283306.9U CN217629443U (en) | 2022-05-26 | 2022-05-26 | Elevation control device for assembled seamless expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217629443U true CN217629443U (en) | 2022-10-21 |
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ID=83655818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283306.9U Active CN217629443U (en) | 2022-05-26 | 2022-05-26 | Elevation control device for assembled seamless expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217629443U (en) |
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2022
- 2022-05-26 CN CN202221283306.9U patent/CN217629443U/en active Active
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