CN114922064A - Low clearance roof beam internal half-open combination formula tied rod encircles jib anchor head protection device - Google Patents
Low clearance roof beam internal half-open combination formula tied rod encircles jib anchor head protection device Download PDFInfo
- Publication number
- CN114922064A CN114922064A CN202210559123.3A CN202210559123A CN114922064A CN 114922064 A CN114922064 A CN 114922064A CN 202210559123 A CN202210559123 A CN 202210559123A CN 114922064 A CN114922064 A CN 114922064A
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- China
- Prior art keywords
- cover body
- anchor head
- lower cover
- protection device
- upper cover
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000004519 grease Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 19
- 238000005260 corrosion Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a low clearance beam inner half-open combined tied arch suspender anchor head protection device, which is provided with an upper cover body and a lower cover body; a flange plate is arranged at the contact part of the upper cover body and the lower cover body; the protected anchor head extends into the lower cover body from the upper cover body; the lower cover body and the flange plate both adopt a semi-open structure, and the lower cover body is fixed on the protected anchor head through a set screw. The upper cover body is cylindrical and integral, the lower cover body is divided into halves (cut into two), a flange plate connected with the upper cover body and the spherical base plate of the base plate is eliminated, the problem that the flange plate cannot be aligned with the spherical base plate after the spherical base plate is installed in a deviation manner is solved, the structure is light and handy, the installation is convenient, and the installation can be carried out in a low-clearance and small-space beam; the lower cover body is in a semi-open type, so that the problems of low clearance and incapability of being sleeved in a small-space beam or being disassembled and replaced after installation are solved; the sealing property and the corrosion resistance are good.
Description
Technical Field
The invention relates to a tied arch suspender anchor head protection device, in particular to a low-clearance and small-space beam inner low-clearance beam inner half-open combined tied arch suspender anchor head protection device.
Background
With the progress of bridge construction technology in China, the tied arch bridge is rapidly developed in engineering construction, and particularly, a steel pipe concrete bridge becomes a common bridge type in road and railway construction due to attractive appearance, scientific and reasonable structure and relatively mature technology.
However, the tied arch bridge also exposes some problems with the operation of the line, mainly in the maintenance and replacement of the booms. The protection effect of the suspender anchor head protection device plays an important role in the durability of the suspender. The suspender anchor head protection device has good sealing performance, can effectively prevent rainwater, air and the like from corroding the suspender anchor head, and has the function of preventing external impact.
The anchorage devices at the upper end and the lower end of the suspender are protected by the protection device, and once the protection device is damaged, the anchor head is easily corroded, and is damaged by external force. The traditional protection device has the forms of directly brushing anticorrosive paint, field welding of two halves of round steel sheaths, integral cylinder flange connection and the like, and although the traditional protection device has a certain protection effect, the traditional protection device is not enough in ubiquitous. If the form of directly brushing the anticorrosive paint is adopted, the protection effect is poor; the two half round steel sheaths are easy to damage the anticorrosive material and the anchor head during field welding, and have high requirements on space during installation and are difficult to replace; the whole cylindrical protective sleeve does not need to be welded, but has high requirements on installation space, is not suitable for low-clearance beams and small-space beams, and cannot be replaced during later maintenance even if the protective sleeve is installed reluctantly in the low-clearance beams. And traditional protection device passes through the ring flange and is connected with the backing plate, if the backing plate is installed the deviation, will lead to the condition that the safety cover is difficult to be installed or can't be installed.
Disclosure of Invention
The invention aims to provide a low-clearance beam inner half-open combined tied-arch suspender anchor head protection device, which solves the problem of tied-arch suspender anchor head protection and is particularly suitable for protecting a low-clearance and small-space beam inner suspender anchor head.
The technical scheme for solving the technical problems is as follows: a low clearance beam inner half-open combined tied arch suspender anchor head protection device comprises an upper cover body and a lower cover body; a flange plate is arranged at the contact part of the upper cover body and the lower cover body; the protected anchor head extends into the lower cover body from the upper cover body;
the lower cover body and the flange plate both adopt a semi-open structure, and the lower cover body is fixed on the anchor head to be protected through a set screw.
As a preferred scheme of the low-clearance beam inner half-open combined tie rod arch suspender anchor head protection device, a spherical base plate and a nut are arranged inside the upper cover body, and an anchor base plate is arranged at the top end of the spherical base plate; the anchor backing plate is arranged at the upper end of the upper cover body.
As the preferred scheme of the low clearance beam inner half-open combined tie rod arch suspender anchor head protection device, the bottom of the spherical base plate is spherically concave, the top of the nut is spherically convex, and the spherical base plate is attached to the nut.
As a preferable scheme of the low clearance beam inner half-open combined tied arch suspender anchor head protection device, the surfaces of the spherical base plate and the nut are coated with anti-corrosion grease; the outside and the bottom of the protected anchor head are also coated with anti-corrosion grease.
As a preferable scheme of the low clearance beam inner half-open combined tie rod arch suspender anchor head protection device, the contact part of the nut and the flange plate is filled with a sealing strip.
As a preferred scheme of the low clearance beam inner half-open combined tie rod arch suspender anchor head protection device, the two half structures of the half-open lower cover body are connected through fastening bolts, and the two half structures of the half-open flange plate are also connected through the fastening bolts.
As a preferable scheme of the low-clearance beam inner half-open combined tie rod arch suspender anchor head protection device, an oil-resistant rubber plate is filled between the protected anchor head and the lower cover body.
The invention has the beneficial effects that: is provided with an upper cover body and a lower cover body; a flange plate is arranged at the contact part of the upper cover body and the lower cover body; the protected anchor head extends into the lower cover body from the upper cover body; the lower cover body and the flange plate both adopt a semi-open structure, and the lower cover body is fixed on the protected anchor head through a set screw. The upper cover body is cylindrical and integral, the lower cover body is divided into halves (cut into two), a flange plate for connecting the upper cover body and the spherical base plate is omitted, the problem that the flange plate cannot be aligned with the spherical base plate after the spherical base plate is installed in a deviation manner is solved, the structure is light and handy, the installation is convenient, and the installation can be carried out in a low-clearance and small-space beam; the lower cover body is in a semi-open type, so that the problems of low clearance and incapability of being sleeved in a small-space beam or being disassembled and replaced after installation are solved; the sealing performance and the corrosion resistance are good.
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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic structural view of a low clearance beam inner half-open combined tie rod arch suspender anchor head protection device provided by an embodiment of the invention;
fig. 2 is a schematic cross-sectional view of a low-clearance beam inner half-open combined tie rod arch suspender anchor head protection device provided by an embodiment of the invention after an anchor head is installed.
In the figure, 1, an upper cover body; 2. a lower cover body; 3. a spherical base plate; 4. a nut; 5. a flange plate; 6. a set screw; 7. an anchor backing plate; 8. an anchor head; 9. a seal strip; 10. fastening a bolt; 11. an oil-resistant rubber plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
For a long time, people have been studying and optimizing the form of the protection device to make it suitable for more complicated conditions and ensure that the anchor head of the suspender is better protected. However, in the existing low-clearance and small-space beam, the suspender has no better protection device. In view of this, the embodiments of the present invention provide the following specific solutions.
Referring to fig. 1 and 2, an embodiment of the invention provides a low clearance beam inner half-open combined tie rod arch suspender anchor head protection device, which comprises an upper cover body 1 and a lower cover body 2; a flange plate 5 is arranged at the contact part of the upper cover body 1 and the lower cover body 2; the protected anchor head 8 extends from the upper cover body 1 to the interior of the lower cover body 2;
the lower cover body 2 and the flange plate 5 both adopt a semi-open structure, and the lower cover body 2 is fixed on an anchor head 8 to be protected through a set screw 6.
In this embodiment, a spherical base plate 3 and a nut 4 are arranged inside the upper cover body 1, and an anchor base plate 7 is arranged at the top end of the spherical base plate 3; the anchor backing plate 7 is arranged at the upper end of the upper cover body 1. The bottom of spherical backing plate 3 is that the sphere form is sunken, the top of nut 4 is that the sphere form is protruding, spherical backing plate 3 with laminate between the nut 4. The flange plate connected with the spherical base plate 3 of the upper cover body 1 is eliminated, so that the problem that the flange plate cannot be installed in alignment with the spherical base plate 3 after the installation deviation of the spherical base plate 3 is avoided, the length of the upper cover body 1 is only slightly longer than that of the spherical nut 4, the structure is light and handy, the installation is convenient and fast, and the installation can be carried out in a low-clearance small-space beam.
In the embodiment, the surfaces of the spherical base plate 3 and the nut 4 are coated with anti-corrosion grease; the outside and the bottom of the protected anchor head 8 are also coated with anti-corrosive grease. Specifically, the anti-corrosion grease is uniformly coated on the nut 4 and the spherical base plate 3, and in addition, the anti-corrosion grease is uniformly coated on the outer side and the bottom of the protected anchor head 8, and the bottom is filled with the anti-corrosion grease. The corrosion-resistant grease can ensure the corrosion resistance of the internal structure.
In this embodiment, the contact portion between the nut 4 and the flange plate 5 is filled with a sealing strip 9. The sealing strip 9 is arranged between the nut 4 and the flange plate 5, plays a role in sealing, and is temporarily fixed after being arranged.
In this embodiment, the two half structures of the semi-open lower cover 2 are assembled by fastening bolts 10, and the two half structures of the semi-open flange plate 5 are also assembled by fastening bolts 10. And an oil-resistant rubber plate 11 is filled between the protected anchor head 8 and the lower cover body 2.
Specifically, the flange plate 5 and the lower cover body 2 are both semi-open, are manufactured in half by adopting stainless steel, and are integrally painted after being welded in a factory. Evenly apply paint anticorrosive grease with a brush in the anchor head 8 outside and bottom, lower cover body 2 bottom is filled up anticorrosive grease, installation resistant oil rubber board 11, embolia half lower cover body 2 from the side, adjust to the suitable position, install another half lower cover body 2 again, set up the rubber strip between the two halves lower cover body 2, seal measures are done, through fastening bolt 10, holding screw 6 links two halves into whole, the lower cover body 2 of semi-open type is fixed firmly with whole extrusion anchor head 8 through holding screw 6, and support upper cover body 1.
Specifically, the flange plate 5 and the lower cover body 2 are connected through welding, so that the flange plate and the lower cover body cannot be welded through, welding slag is removed after welding, and the flange plate and the lower cover body are polished to be smooth. In addition, the upper cover body 1, the lower cover body 2, the fastening bolt 10 and the fastening bolt 6 are all made of stainless steel, the fastening bolt 6, the fastening bolt 10 and the anti-corrosion grease are all made of commercially available finished products, the sealing strip 9, the oil-resistant rubber plate 11, the upper cover body 1 and the lower cover body 2 are made of commercially available materials and cut or processed into corresponding shapes, and the components are assembled.
The implementation principle of the invention is as follows:
the upper cover body 1 is cylindrical integral, the lower cover body 2 is halved, the one-time installation height of the protection device is effectively reduced, the upper cover body 1 is integral, the size can be determined according to the length of the spherical base plate 3 and the nut 4, and the upper cover body is supported by the lower cover body 2 and does not need to be connected with the spherical base plate 3, so that measures connected with the spherical base plate 3 are reduced, and the problem that the installation deviation of the spherical base plate 3 is difficult to align and install can be solved. The lower cover body 2 is in a half-split type, is not required to be sleeved and installed from the bottom or be separated from the bottom in a low-clearance and small-space beam, can be sleeved in a block mode from the side directly and connected through fastening bolts 10, is fixedly and stably fixed with the anchor head 8 through fastening screws, and does not need other fixing measures such as welding and the like. Adopt the rubber strip to seal between each structure, guaranteed sealed effect. The components of the upper cover body 1, the lower cover body 2 and the flange plate 5 after welding are integrally painted, so that the corrosion resistance of the protection device is improved.
During the use, brush anticorrosive grease earlier, cover body 1 from the beneath up-going of follow again, installation sealing strip 9, the cover body 1 is held up with the hand to the temporary fixation upper cover body 1 or alone, install resistant oily rubber slab 11 again, divide half installation half open type lower cover body 2, adjust to suitable position after, screw up fastening bolt 10 and holding screw 6, it is sealed to adopt sealing strip 9 between the two halves, up last up to push up under the upper cover body 1, screw up fastening screw after the top is tight, half open combination formula protection device installs promptly and accomplishes.
In summary, the invention is provided with an upper cover body 1 and a lower cover body 2; a flange plate 5 is arranged at the contact part of the upper cover body 1 and the lower cover body 2; the protected anchor head 8 extends into the lower cover body 2 from the upper cover body 1; the lower cover body 2 and the flange plate 5 both adopt a semi-open structure, and the lower cover body 2 is fixed on an anchor head 8 to be protected through a set screw 6. The upper cover body 1 is cylindrical and integral, the lower cover body 2 is divided into halves, a flange plate for connecting the upper cover body 1 and the spherical base plate 3 is omitted, the problem that the flange plate cannot be installed in a positioning way with the spherical base plate 3 after the spherical base plate 3 is installed in a deviation way is solved, the structure is light, the installation is convenient and fast, and the installation can be carried out in a low-clearance and small-space beam; the lower cover body 2 adopts a semi-open type, so that the problems of low clearance and incapability of being sleeved in a small-space beam or being disassembled and replaced after installation are solved; the sealing property and the corrosion resistance are good.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A low clearance beam inner half-open combined tied arch suspender anchor head protection device is characterized by comprising an upper cover body (1) and a lower cover body (2); a flange plate (5) is arranged at the contact part of the upper cover body (1) and the lower cover body (2); the protected anchor head (8) extends into the lower cover body (2) from the upper cover body (1);
the lower cover body (2) and the flange plate (5) both adopt a semi-open structure, and the lower cover body (2) is fixed on the protected anchor head (8) through a set screw (6).
2. The low clearance beam split tie rod arch boom anchor head protection device as claimed in claim 1, wherein the inside of said upper cover body (1) is equipped with a spherical pad (3) and a nut (4); an anchor backing plate (7) is arranged at the top end of the spherical backing plate (3); the anchor backing plate (7) is arranged at the upper end of the upper cover body (1).
3. The low clearance beam inner half-split combined tie rod arch suspender anchor head protection device as claimed in claim 2, wherein the bottom of the spherical pad plate (3) is concave like a sphere, the top of the nut (4) is convex like a sphere, and the spherical pad plate (3) and the nut (4) are jointed.
4. The low clearance beam inner half-open combined tie rod arch suspender anchor head protecting device as claimed in claim 3, wherein the surface of the spherical backing plate (3) and the nut (4) is coated with anti-corrosive grease; the outer side and the bottom of the protected anchor head (8) are also coated with anti-corrosive grease.
5. A low clearance beam split tie rod arch boom anchor head protection device as claimed in claim 2, wherein the contact area of said nut (4) and said flange plate (5) is filled with a sealing strip (9).
6. A low clearance beam internal half-split combination tie rod arch suspender anchor head protecting device as claimed in claim 1, wherein the half-structure of the half-split lower cover body (2) is assembled by fastening bolts (10), and the half-structure of the half-split flange plate (5) is also assembled by fastening bolts (10).
7. A low-clearance beam inner half-split combined tie rod arch boom anchor head protection device as claimed in claim 6, characterized in that an oil-resistant rubber plate (11) is filled between the protected anchor head (8) and said lower cover body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210559123.3A CN114922064A (en) | 2022-05-22 | 2022-05-22 | Low clearance roof beam internal half-open combination formula tied rod encircles jib anchor head protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210559123.3A CN114922064A (en) | 2022-05-22 | 2022-05-22 | Low clearance roof beam internal half-open combination formula tied rod encircles jib anchor head protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114922064A true CN114922064A (en) | 2022-08-19 |
Family
ID=82810729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210559123.3A Pending CN114922064A (en) | 2022-05-22 | 2022-05-22 | Low clearance roof beam internal half-open combination formula tied rod encircles jib anchor head protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114922064A (en) |
-
2022
- 2022-05-22 CN CN202210559123.3A patent/CN114922064A/en active Pending
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