CN210341617U - Steel construction landing stage sliding support - Google Patents
Steel construction landing stage sliding support Download PDFInfo
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- CN210341617U CN210341617U CN201920977508.5U CN201920977508U CN210341617U CN 210341617 U CN210341617 U CN 210341617U CN 201920977508 U CN201920977508 U CN 201920977508U CN 210341617 U CN210341617 U CN 210341617U
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- trestle
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Abstract
The utility model discloses a steel structure trestle sliding support, which comprises a support base plate and a limiting device fixed on a supporting beam, wherein the upper surface of the support base plate is fixed with a trestle end rod which is vertically arranged and a trestle chord member which is horizontally arranged, and the lower surface of the support base plate is bonded with a polytetrafluoroethylene plate I; the limiting device comprises two limiting plates which are symmetrically arranged, and a polytetrafluoroethylene plate II is bonded on the supporting beam; the polytetrafluoroethylene plate II and the limiting plate form a horizontal chute; the support base plate is arranged in the horizontal sliding groove, and the polytetrafluoroethylene plate I is connected with the polytetrafluoroethylene plate II in a sliding mode; the limiting plate also comprises two baffles; and two ends of the bottom of the support base plate are fixed with stop structures. The utility model discloses stop device can prevent the drop of level, vertical direction in horizontal spout of support bottom plate, and a supporting beam does fixed and spacing concurrently, need not bury for sliding support installation is pre-buried, reserve the jumbo size and bury the piece, simplifies the structure, reduces installation space.
Description
Technical Field
The utility model relates to a sliding support, specifically speaking are steel construction landing stage sliding support.
Background
At present, a steel structure trestle is widely applied in the field of bulk material conveying, mainly used for providing structural support, overhaul space and external enclosure for a belt conveyor and characterized by small width and height, large length and length direction which can generally reach dozens of meters to hundreds of meters, even thousands of meters. In order to release the temperature deformation along the length direction and avoid the influence of additional stress generated by thermal expansion and cold contraction on the structure safety, a sliding support is required to be arranged at the end part of each temperature section, and the commonly used sliding support is provided with a long bolt hole, a sliding bearing and the like, wherein the long bolt hole has the defects of large friction coefficient, small sliding stroke, large influence of bolt pre-tightening conditions on the sliding effect during the installation of a trestle and the like, and larger potential safety hazards of the structure are caused by the corrosion bonding of a support steel plate and an embedded part steel plate and the shearing of an embedded bolt occasionally; the sliding bearing has the defects of high requirements on installation and processing refinement degrees, high manufacturing cost, large workload of later maintenance and the like, and if the sliding bearing is not maintained properly, the conditions of bearing corrosion, fouling and the like are easy to occur, the sliding function is lost, and the structure safety is influenced. In addition, polytetrafluoroethylene is adopted as a sliding surface of the sliding support in some design houses, but the sliding support has the defects of large size, complex installation, easy deformation and easy falling of polytetrafluoroethylene and the like, and the use effect of the sliding support is influenced.
SUMMERY OF THE UTILITY MODEL
According to the technical problem provided by the invention, the sliding support for the steel structure trestle is provided. The utility model discloses a technical means as follows:
a steel structure trestle sliding support comprises a support base plate and a limiting device fixed on a supporting beam, wherein a vertically arranged trestle end rod and a horizontally arranged trestle chord rod are fixed on the upper surface of the support base plate, the length direction of the support base plate is parallel to the extending direction of the trestle chord rod, and a polytetrafluoroethylene plate I is bonded on the lower surface of the support base plate;
the limiting device comprises two limiting plates which are symmetrically arranged, each limiting plate comprises an L-shaped plate, a horizontal plate of each L-shaped plate is fixedly connected with the upper surface of the supporting beam through a bolt, and a polytetrafluoroethylene plate II is bonded to the part of the supporting beam between the vertical plates of the two L-shaped plates; the polytetrafluoroethylene plate II and the two vertical plates form a horizontal sliding groove, the width of the horizontal sliding groove is matched with that of the support base plate, a gap of two millimeters is formed between the support base plate and the two groove walls of the horizontal sliding groove and used for smooth sliding, and the extending direction of the horizontal sliding groove is parallel to the length direction of the trestle chord;
the support base plate is arranged in the horizontal sliding groove, and the polytetrafluoroethylene plate I is connected with the polytetrafluoroethylene plate II in a sliding mode;
the limiting plate also comprises two baffles which are horizontally arranged and used for preventing the support base plate from being separated from the horizontal sliding groove in the vertical direction, and the two baffles are arranged on the upper part of the support base plate and are respectively and fixedly connected with the two vertical plates;
and two ends of the bottom of the support base plate are respectively and fixedly provided with a stop structure which is vertically arranged through bolts and used for preventing the support base plate from being separated from the horizontal sliding groove in the horizontal direction.
The length direction of the supporting beam is vertical to the length direction of the trestle chord.
The width of the support beam is smaller than the distance between the two stop structures.
The support beam can be a support steel beam or a concrete beam steel plate embedded part.
Polytetrafluoroethylene board I and polytetrafluoroethylene board II regard as the glide plane, there is not high intensity, easy creep, the linear expansion coefficient shortcoming such as big, appear in the actual engineering that I warp with II deformations of polytetrafluoroethylene board as the glide plane of polytetrafluoroethylene board, the fold, the condition that drops, influence the support sliding effect, warp under vertical load effect for avoiding I and II of polytetrafluoroethylene board, pile up during the slip, tear and destroy, adopt J-2012 type epoxy binder or other excellent performance's binder with I and the support bottom plate of polytetrafluoroethylene board, II and a supporting beam bond as whole, guarantee that the glide plane is smooth, indeformable.
The utility model has the advantages of it is following:
1. a polytetrafluoroethylene plate I and a polytetrafluoroethylene plate II are used as sliding plates which slide mutually. The sliding friction coefficient between the polytetrafluoroethylene materials is the smallest of all known materials under the condition of no lubrication, and is only 0.04, which is far smaller than the friction coefficient between steel materials. As a high polymer material, polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance, high temperature resistance and low temperature resistance, has the best aging resistance in plastics, and is an ideal sliding material because the surface of polytetrafluoroethylene is not easy to be attached by pollutants due to the non-adhesiveness.
2. Set up backstop structure along the slip direction, can prevent that the support bottom plate from droing in the level spout level.
3. Set up the baffle in vertical direction, can prevent that the support bottom plate from vertically droing in the horizontal chute in vertical direction.
4. The supporting beam is fixed and limited, large-size embedded parts do not need to be installed and embedded in the sliding support, the structure is simplified, and the installation space is reduced.
5. The polytetrafluoroethylene plate I and the steel are bonded by a special adhesive, so that the sliding surface is smooth and is not deformed.
6. The sliding stroke is adjusted by adjusting the size of the base plate of the support, and the structure is simple.
Based on the reason, the utility model discloses can extensively promote in fields such as sliding support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view (a first view angle) of a spatial structure of a sliding support of a steel trestle according to an embodiment of the present invention.
Fig. 2 is a schematic view (second view angle) of a spatial structure of a sliding support of a steel trestle according to an embodiment of the present invention.
Fig. 3 is a front view of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a steel structure trestle sliding support comprises a support base plate 1 and a limiting device fixed on a support beam 2, wherein a vertically arranged trestle end rod 11 and a horizontally arranged trestle chord rod 12 are fixed on the upper surface of the support base plate 1, the length direction of the support base plate 1 is parallel to the extending direction of the trestle chord rod 12, and a polytetrafluoroethylene plate i 13 is bonded on the lower surface of the support base plate 1;
the limiting device comprises two limiting plates 3 which are symmetrically arranged, each limiting plate 3 comprises an L-shaped plate 31, a horizontal plate 311 of each L-shaped plate 31 is fixedly connected with the upper surface of each supporting beam 2 through a bolt, and a polytetrafluoroethylene plate II 32 is bonded to the part, between the vertical plates 312 of the two L-shaped plates 31, of each supporting beam 2;
the polytetrafluoroethylene plate II 32 and the two vertical plates 312 form a horizontal sliding groove, the width of the horizontal sliding groove is matched with that of the support base plate 1, a gap of two millimeters is formed between the support base plate 1 and the two groove walls of the horizontal sliding groove for smooth sliding, and the extending direction of the horizontal sliding groove is parallel to the length direction of the trestle chord 12;
the support base plate 1 is arranged in the horizontal sliding groove, and the polytetrafluoroethylene plate I13 is connected with the polytetrafluoroethylene plate II 32 in a sliding mode;
the limiting plate 3 further comprises two baffle plates 33 which are horizontally arranged and used for preventing the support base plate 1 from being separated from the horizontal sliding groove in the vertical direction, and the two baffle plates 33 are both arranged at the upper part of the support base plate 1 and are respectively and fixedly connected with the two vertical plates 312;
two ends of the bottom of the support base plate 1 are respectively fixed with a stop structure 14 which is vertically arranged through bolts and used for preventing the support base plate 1 from separating from the horizontal sliding groove in the horizontal direction.
The length direction of the support beam 2 is perpendicular to the length direction of the trestle chord 12.
The width of the support beam 2 is smaller than the distance between the two stop structures 14.
The support beam 2 can be a support steel beam or a concrete beam steel plate embedded part.
Polytetrafluoroethylene board I13 and polytetrafluoroethylene board II 32 are as the glide plane, there are not high, easy creep, shortcoming such as coefficient of linear expansion is big, for avoiding I13 of polytetrafluoroethylene board and II 32 of polytetrafluoroethylene board to warp under the vertical load effect, pile up during the slip, tear the destruction, adopt J-2012 type epoxy binder or other excellent performance's binder with I13 of polytetrafluoroethylene board and support bottom plate 1, II 32 of polytetrafluoroethylene board and a supporting beam 2 bonding are whole, guarantee that the glide plane is smooth, indeformable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. A steel structure trestle sliding support is characterized by comprising a support base plate and a limiting device fixed on a supporting beam, wherein a vertically arranged trestle end rod and a horizontally arranged trestle chord rod are fixed on the upper surface of the support base plate, the length direction of the support base plate is parallel to the extending direction of the trestle chord rod, and a polytetrafluoroethylene plate I is bonded on the lower surface of the support base plate;
the limiting device comprises two limiting plates which are symmetrically arranged, each limiting plate comprises an L-shaped plate, a horizontal plate of each L-shaped plate is fixedly connected with the upper surface of the supporting beam through a bolt, and a polytetrafluoroethylene plate II is bonded to the part of the supporting beam between the vertical plates of the two L-shaped plates; the polytetrafluoroethylene plate II and the two vertical plates form a horizontal sliding groove, the groove width of the horizontal sliding groove is matched with the width of the support base plate, and the extending direction of the horizontal sliding groove is parallel to the length direction of the trestle chord rod;
the support base plate is arranged in the horizontal sliding groove, and the polytetrafluoroethylene plate I is connected with the polytetrafluoroethylene plate II in a sliding mode;
the limiting plate also comprises two baffles which are horizontally arranged and used for preventing the support base plate from being separated from the horizontal sliding groove in the vertical direction, and the two baffles are arranged on the upper part of the support base plate and are respectively and fixedly connected with the two vertical plates;
and two ends of the bottom of the support base plate are respectively and fixedly provided with a stop structure which is vertically arranged through bolts and used for preventing the support base plate from being separated from the horizontal sliding groove in the horizontal direction.
2. The steel structure trestle sliding support of claim 1, which is characterized in that: the length direction of the supporting beam is vertical to the length direction of the trestle chord.
3. The steel structure trestle sliding support of claim 2, characterized in that: the width of the support beam is smaller than the distance between the two stop structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977508.5U CN210341617U (en) | 2019-06-26 | 2019-06-26 | Steel construction landing stage sliding support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977508.5U CN210341617U (en) | 2019-06-26 | 2019-06-26 | Steel construction landing stage sliding support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210341617U true CN210341617U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920977508.5U Active CN210341617U (en) | 2019-06-26 | 2019-06-26 | Steel construction landing stage sliding support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210341617U (en) |
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2019
- 2019-06-26 CN CN201920977508.5U patent/CN210341617U/en active Active
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