CN217579758U - 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
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- CN217579758U CN217579758U CN202221228318.1U CN202221228318U CN217579758U CN 217579758 U CN217579758 U CN 217579758U CN 202221228318 U CN202221228318 U CN 202221228318U CN 217579758 U CN217579758 U CN 217579758U
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Abstract
The utility model discloses a low clearance beam inner half-open combined tie rod 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 of the utility model is cylindrical integral, the lower cover body is divided into two parts (cutting), a flange plate connected with the spherical backing plate of the upper cover body is cancelled, the problem that the flange plate can not be aligned and installed with the spherical backing plate after the installation deviation of the spherical backing plate is avoided, the structure is light, 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 utility model relates to a tie rod encircles jib anchor head protection device, especially relate to a low headroom, little space roof beam in half open combination formula tie rod encircles jib anchor head protection device in the low headroom roof beam.
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 easy to corrode and suffer from external force damage and other conditions. The traditional protection device has the forms of directly brushing anticorrosive paint, welding two halves of round steel sheaths on site, connecting integral cylinder flanges and the like, and has certain protection effect but general defects. 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a half division combination formula tie rod encircles jib anchor head protection device in low headroom roof beam solves the tie rod and encircles jib anchor head protection problem, is particularly suitable for the protection of low headroom, little space Liang Nadiao pole anchor head.
The utility model provides an above-mentioned technical problem's technical scheme 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 utility model has the advantages 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 of the utility model is cylindrical integral, the lower cover body is divided into two parts (cutting), a flange plate connected with the upper cover body and the spherical backing plate is cancelled, the problem that the flange plate can not be aligned and installed with the spherical backing plate after the installation deviation of the spherical backing plate is avoided, the structure is light, 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.
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 utility model;
fig. 2 is the section schematic diagram behind the installation anchor head of half open combination formula tie rod arch jib anchor head protection device in low headroom roof beam that the embodiment of the utility model provides.
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. tightening the 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 above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
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 technical solutions.
Referring to fig. 1 and 2, an embodiment of the present invention provides a low clearance beam internal half-open combined tie rod arch boom anchor head protection device, which includes 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.
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 and 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 resistance of the internal structure can be ensured by the corrosion-resistant grease.
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 type, are manufactured by stainless steel in half, 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, 2 bottoms of the lower cover body fill up anticorrosive grease, installation oil resistant rubber board 11, half lower cover body 2 is emboliaed to the edgewise, adjust to the suitable position, another half lower cover body 2 is installed 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 into two halves into a whole, half open type lower cover body 2 is fixed firmly with whole extrusion anchor head 8 through holding screw 6, and support the 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 set screw 6 are all made of stainless steel, the set screw 6, the fastening bolt 10 and the anti-corrosion grease are all finished products sold in the market, the sealing strip 9, the oil-resistant rubber plate 11, the upper cover body 1 and the lower cover body 2 are made of materials in the market and cut or processed into corresponding shapes, and the components are assembled.
The utility model discloses an implement the principle as follows:
the upper cover body 1 is cylindrical and integral, the lower cover body 2 is divided into half bodies, 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. The rubber strips are adopted among the structures for sealing, and the sealing effect is guaranteed. 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.
To sum up, the utility model 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 utility model discloses upper cover body 1 is the cylinder integral, and lower cover body 2 is the formula of dividing into halves, has cancelled the ring flange that upper cover body 1 and spherical backing plate 3 are connected, has avoided after spherical backing plate 3 installation deviation, the problem that the ring flange can't be installed with spherical backing plate 3 counterpoint, and the structure is light and handy, and it is convenient to install, can install in low headroom, little space roof 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.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should 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 tie rod arch suspender anchor head protecting device of 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. The low clearance beam inner half-split combined tie rod arch boom anchor head protection device as claimed in claim 2, wherein the contact portion of the nut (4) and the 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 |
|---|---|---|---|
| CN202221228318.1U CN217579758U (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 |
|---|---|---|---|
| CN202221228318.1U CN217579758U (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 |
|---|---|
| CN217579758U true CN217579758U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221228318.1U Active CN217579758U (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) | CN217579758U (en) |
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2022
- 2022-05-22 CN CN202221228318.1U patent/CN217579758U/en active Active
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