CN214573286U - Tie rod protection device - Google Patents
Tie rod protection device Download PDFInfo
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- CN214573286U CN214573286U CN202120646005.7U CN202120646005U CN214573286U CN 214573286 U CN214573286 U CN 214573286U CN 202120646005 U CN202120646005 U CN 202120646005U CN 214573286 U CN214573286 U CN 214573286U
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- sleeve
- damping sleeve
- transition
- tie rod
- damping
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Abstract
The utility model discloses a tie rod protection device, which belongs to the technical field of arch bridge design and comprises a damping sleeve, a transition sleeve and an installation cable clamp, wherein the damping sleeve penetrates through a hole of a diaphragm plate and is sleeved on the circumference of a tie rod, and the inner surface of the damping sleeve is attached to the outer surface of the tie rod; the transition sleeve penetrates through the hole of the diaphragm plate and is sleeved on the periphery of the damping sleeve, and the inner surface of the transition sleeve is attached to the outer surface of the damping sleeve; the two installation cable clamps are positioned on two sides of the diaphragm plate and clamp the diaphragm plate, and the installation cable clamps are arranged on the periphery of the transition sleeve and can be fixedly connected with the transition sleeve, the damping sleeve and the tie rod. The utility model provides a tie bar protection device has protected the tie bar when the bridge vibration, prevents that tie bar and cross slab from taking place wearing and tearing and destruction, has improved the life of tie bar.
Description
Technical Field
The utility model relates to an arch bridge design technical field especially relates to a tie rod protection device.
Background
The arch bridge has a long construction history in China, has larger spanning capability, good durability and low maintenance cost, and is a common bridge structure type.
The tie bar is composed of a plurality of bars and is fixedly connected together, and the tie bar is used as one of the most important stress components in the tied arch bridge and plays an important role in the overall structural safety of the arch bridge. In the steel structure tied arch bridge, the tie bars are positioned in the steel box, and when the bridge vibrates, the shear and friction between the tie bars and the steel box girder can easily cause the wear and even the fracture of the tie bars. The tie bar protection measure adopted at present is mainly to brush the epoxy coating, and the epoxy coating is as a flexible protection measure, can play certain guard action to the corruption of air, but when the tie bar received physical injury then can not fine protection tie bar, and the tie bar passes in the hole of steel box girder inside diaphragm, can cause the friction and the shearing of tie bar and diaphragm during the bridge vibration to produce wearing and tearing and destruction to the tie bar, reduced the life of tie bar.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tie rod protection device to the tie rod produces wearing and tearing and destroys and reduce the life technical problem of tie rod when the bridge vibration that exists among the solution prior art.
As the conception, the utility model adopts the technical proposal that:
a tie rod protection device comprising:
the damping sleeve penetrates through the hole of the diaphragm plate and is sleeved on the circumferential direction of the tie rod, and the inner surface of the damping sleeve is attached to the outer surface of the tie rod;
the transition sleeve penetrates through the hole of the diaphragm plate and is sleeved on the periphery of the damping sleeve, and the inner surface of the transition sleeve is attached to the outer surface of the damping sleeve;
two installation cable clamps which are positioned at two sides of the diaphragm plate and clamp the diaphragm plate, wherein the installation cable clamps are arranged at the circumferential direction of the transition sleeve and can be fixedly connected with the transition sleeve, the damping sleeve and the tie rod.
Further, the mounting cable clamp comprises an upper clamp sleeve and a lower clamp sleeve, the upper clamp sleeve and the lower clamp sleeve are respectively positioned on the upper half part and the lower half part of the transition sleeve, and the upper clamp sleeve and the lower clamp sleeve are detachably connected.
Furthermore, the mounting cable clamp further comprises a bolt and a nut, first protruding portions are arranged on two sides of the upper clamping sleeve, first through holes are formed in the first protruding portions, second protruding portions are arranged on two sides of the lower clamping sleeve, second through holes are formed in the second protruding portions, and the bolt sequentially penetrates through the first through holes and the second through holes and is in threaded connection with the nut.
Furthermore, each first protruding portion is provided with two first through holes, and each second protruding portion is provided with two second through holes.
Further, the damping sleeve comprises an upper damping sleeve and a lower damping sleeve, the upper damping sleeve is located at the radial upper half part of the tie rod, and the lower damping sleeve is located at the radial lower half part of the tie rod.
Further, the damping sleeve is a rubber damping sleeve.
Further, the cross section of the outer peripheral surface of the damping sleeve is circular.
Further, the cross section of the inner peripheral surface of the damper sleeve is the same as the cross section of the outer peripheral surface of the tie rod.
Further, the transition sleeve comprises an upper transition sleeve and a lower transition sleeve, and the upper transition sleeve and the lower transition sleeve are respectively arranged on the upper half part and the lower half part of the damping sleeve.
Further, the transition sleeve is a plastic transition sleeve.
The utility model has the advantages that:
the utility model provides a pair of tie rod protection device, the shock attenuation cover sets up in the circumference of tie rod and with the surface laminating of tie rod, the shock attenuation cover has protected the tie rod when the bridge shakes, prevent the tie rod wearing and tearing, the circumference protection shock attenuation cover at the shock attenuation cover is established to the transition sleeve pipe cover, the transition sleeve pipe plays the transition effect, avoid shock attenuation cover and installation cable clamp direct contact, prevent installation cable clamp wearing and tearing shock attenuation cover, two installation cable clamps press from both sides tight cross slab, and with the transition sleeve pipe, shock attenuation cover and tie rod fixed connection, thereby resist the wearing and tearing or the shearing destruction of cross slab to the transition sleeve pipe, shock attenuation cover and tie rod. The utility model provides a tie bar protection device has protected the tie bar when the bridge vibration, prevents that tie bar and cross slab from taking place wearing and tearing and destruction, has improved the life of tie bar.
Drawings
Fig. 1 is a front view of a tie bar guard provided by the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a top view of the tie bar protection device provided by the present invention.
In the figure:
10. a diaphragm plate; 20. a tie bar;
1. a shock-absorbing sleeve; 11. mounting a damping sleeve; 12. a lower damping sleeve;
2. a transition casing; 21. an upper transition sleeve; 22. a lower transition casing pipe;
3. installing a cable clamp; 31. an upper jacket; 311. a first boss portion; 32. a lower jacket; 321. a second boss portion; 33. a bolt; 34. and a nut.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, an embodiment of the present invention provides a tie bar protecting device for protecting a tie bar when a bridge vibrates, and preventing the tie bar from rubbing and shearing with a diaphragm plate.
The tie bar protection device comprises a damping sleeve 1, a transition sleeve 2 and two mounting cable clamps 3, wherein the damping sleeve 1 penetrates through a hole of the diaphragm plate 10 and is sleeved on the periphery of the tie bar 20, and the inner surface of the damping sleeve 1 is attached to the outer surface of the tie bar 20; the transition sleeve 2 penetrates through the hole of the diaphragm plate 10 and is sleeved on the circumference of the damping sleeve 1, and the inner surface of the transition sleeve 2 is attached to the outer surface of the damping sleeve 1; two mounting cable clamps 3 are arranged on two sides of the diaphragm plate 10 and clamp the diaphragm plate 10, and the mounting cable clamps 3 are arranged on the circumferential direction of the transition sleeve 2 and can be fixedly connected with the transition sleeve 2, the damping sleeve 1 and the tie rod 20.
The damping sleeve 1 comprises an upper damping sleeve 11 and a lower damping sleeve 12, the upper damping sleeve 11 is located on the radial upper half part of the tie rod 20, the lower damping sleeve 12 is located on the radial lower half part of the tie rod 20, disassembly and assembly are facilitated, only one damping sleeve 11 or one damping sleeve 12 needs to be replaced when being worn, and cost is saved.
The cross section of the outer peripheral surface of the damping sleeve 1 is circular, so that the material is saved, and the protection to all directions of the tie rod 20 is better.
The cross section of the inner peripheral surface of the damping sleeve 1 is the same as the cross section of the outer peripheral surface of the tie rod 20, so that the damping sleeve is convenient to be attached to the outer surface of the tie rod 20, and the tie rod 20 is prevented from moving in the damping sleeve 1.
Transition sleeve pipe 2 includes transition sleeve pipe 21 and lower transition sleeve pipe 22, goes up transition sleeve pipe 21 and lower transition sleeve pipe 22 and sets up respectively in the first half and the lower half of shock attenuation cover 1, easy dismounting, only need change one when transition sleeve pipe 21 and lower transition sleeve pipe 22 only take place wearing and tearing last, and is with low costs.
The transition sleeve 2 is a plastic transition sleeve which is convenient to process, and the plastic transition sleeve of the embodiment is made of polyethylene plastic, so that the plastic transition sleeve is strong in corrosion resistance, wear-resistant, light in weight and low in cost.
The mounting cable clamp 3 comprises an upper clamp sleeve 31 and a lower clamp sleeve 32, the upper clamp sleeve 31 and the lower clamp sleeve 32 are respectively positioned on the upper half part and the lower half part of the transition sleeve 2, and the upper clamp sleeve 31 and the lower clamp sleeve 32 are detachably connected, so that the shock-absorbing sleeve 1 and the transition sleeve 2 can be conveniently dismounted and replaced. In the embodiment, the mounting cable clamp 3 is made of galvanized Q235 steel, and has high strength and good corrosion resistance.
The mounting cable clamp 3 further comprises a bolt 33 and a nut 34, the two sides of the upper clamping sleeve 31 are provided with first protruding portions 311, the first protruding portions 311 are provided with first through holes, the two sides of the lower clamping sleeve 32 are provided with second protruding portions 321, the second protruding portions 321 are provided with second through holes, the bolt 33 sequentially penetrates through the first through holes and the second through holes and is in threaded connection with the nut 34, threaded connection is stable, dismounting is convenient, and cost is low.
Two first through holes are formed in each first protruding portion 311, two second through holes are formed in each second protruding portion 321, namely, two sides of each mounting cable clamp 3 are connected through two bolts 33, namely, the tie bar protecting device is connected through eight bolts 33, the connection stability of the two bolts 33 arranged on two sides of the mounting cable clamp 3 is good, the upper clamp sleeve 31 and the lower clamp sleeve 32 are not prone to rotating, stress is dispersed, and the contact position of each bolt 33 with the first through hole and the second through hole is not prone to being damaged.
The installation process of the tie bar protection device comprises the following steps: cleaning the surface of the tie rod 20, calculating the installation position of the damping sleeve 1 by taking the diaphragm plate 10 as a midpoint, marking the tie rod 20, installing the upper damping sleeve 11 and the lower damping sleeve 12 according to the marked positions, enabling the damping sleeve 1 to be tightly attached to the outer surface of the tie rod 20, and temporarily fixing by using an adhesive tape; an upper transition sleeve 21 and a lower transition sleeve 22 are arranged on the peripheral surface of the damping sleeve 1, the upper transition sleeve 21 and the lower transition sleeve 22 are tightly attached to the damping sleeve 1 during installation and are temporarily fixed by using an adhesive tape, and the two sides of the damping sleeve 1 and the two sides of the transition sleeve 2 are aligned during installation; installing cable clamps 3 on two sides of a diaphragm plate 10, wherein the two installing cable clamps 3 are ensured to clamp the diaphragm plate 10 tightly and ensure that a certain gap exists between a transition sleeve 2 and a hole of the diaphragm plate 10, and the installing method of each installing cable clamp 3 comprises the steps of installing an upper clamp sleeve 31 and a lower clamp sleeve 32 on the peripheral surface of the transition sleeve 2, fixedly connecting the upper clamp sleeve 31 and the lower clamp sleeve 32 through a bolt 33 and a nut 34, and enabling the upper clamp sleeve 31 and the lower clamp sleeve 32 to be tightly attached to the transition sleeve 2 during installation so as to ensure that the installing cable clamps 3 fixedly connect the transition sleeve 2, a damping sleeve 1 and a tie rod 20; the tie bar 20 is secured in a horizontal position during the overall installation process.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A tie rod protection device, comprising:
the damping sleeve (1) penetrates through a hole of the diaphragm plate (10) and is sleeved on the circumferential direction of the tie rod (20), and the inner surface of the damping sleeve (1) is attached to the outer surface of the tie rod (20);
the transition sleeve (2) penetrates through the hole of the diaphragm plate (10) and is sleeved on the circumferential direction of the damping sleeve (1), and the inner surface of the transition sleeve (2) is attached to the outer surface of the damping sleeve (1);
two mounting cable clamps (3), the two mounting cable clamps (3) are located on two sides of the diaphragm (10) and clamp the diaphragm (10), the mounting cable clamps (3) are arranged in the circumferential direction of the transition sleeve (2) and can be fixedly connected with the transition sleeve (2), the damping sleeve (1) and the tie rod (20).
2. Tie rod protector according to claim 1, characterized in that the mounting cable clamp (3) comprises an upper jacket (31) and a lower jacket (32), the upper jacket (31) and the lower jacket (32) being located in the upper half and the lower half of the transition casing (2), respectively, the upper jacket (31) and the lower jacket (32) being detachably connected.
3. The tie bar protector as claimed in claim 2, wherein the mounting cable clamp (3) further comprises a bolt (33) and a nut (34), wherein first bosses (311) are provided on both sides of the upper jacket (31), first through holes are provided on the first bosses (311), second bosses (321) are provided on both sides of the lower jacket (32), second through holes are provided on the second bosses (321), and the bolt (33) is sequentially inserted through the first and second through holes and is threadedly connected to the nut (34).
4. A tie bar protector as claimed in claim 3, in which there are two of said first through holes in each of said first bosses (311) and two of said second through holes in each of said second bosses (321).
5. The tie bar protector according to claim 1, characterized in that the damping sleeve (1) comprises an upper damping sleeve (11) and a lower damping sleeve (12), the upper damping sleeve (11) being located on the radially upper half of the tie bar (20), the lower damping sleeve (12) being located on the radially lower half of the tie bar (20).
6. A tie rod protector as claimed in claim 1, characterised in that the damping sleeve (1) is a rubber damping sleeve.
7. The tie bar protector as claimed in claim 1, wherein the cross-section of the outer peripheral surface of the damping sleeve (1) is circular.
8. The tie bar protector according to claim 1, characterized in that the cross-sectional shape of the inner peripheral surface of the damper housing (1) is the same as the cross-sectional shape of the outer peripheral surface of the tie bar (20).
9. Tie rod protector according to claim 1, characterized by the fact that the transition sleeve (2) comprises an upper transition sleeve (21) and a lower transition sleeve (22), the upper transition sleeve (21) and the lower transition sleeve (22) being arranged in the upper half and lower half of the damping sleeve (1), respectively.
10. Tie rod protector according to claim 1, characterized in that the transition sleeve (2) is a plastic transition sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120646005.7U CN214573286U (en) | 2021-03-30 | 2021-03-30 | Tie rod protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120646005.7U CN214573286U (en) | 2021-03-30 | 2021-03-30 | Tie rod protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214573286U true CN214573286U (en) | 2021-11-02 |
Family
ID=78356504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120646005.7U Active CN214573286U (en) | 2021-03-30 | 2021-03-30 | Tie rod protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214573286U (en) |
-
2021
- 2021-03-30 CN CN202120646005.7U patent/CN214573286U/en active Active
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