CN216275658U - Prestressed anchor rod for bridge construction - Google Patents
Prestressed anchor rod for bridge construction Download PDFInfo
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- CN216275658U CN216275658U CN202122768444.8U CN202122768444U CN216275658U CN 216275658 U CN216275658 U CN 216275658U CN 202122768444 U CN202122768444 U CN 202122768444U CN 216275658 U CN216275658 U CN 216275658U
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Abstract
The utility model discloses a prestressed anchor rod for bridge construction, relates to the technical field of prestressed anchor rods, and aims to solve the problems that when an existing mechanical expanding shell prestressed anchor rod is used, due to different metal rigidity fatigue degrees, anchoring can be gradually loosened along with the increase of time, and a nut needs to be frequently screwed. The hollow anchor rod main body mechanism is characterized in that a first anti-corrosion metal base plate is arranged above the outer wall of the hollow anchor rod main body mechanism, a second anti-corrosion metal base plate is arranged below the first anti-corrosion metal base plate, a connecting port is formed in one end of the second anti-corrosion metal base plate, the connecting port is formed in one integral mode with the first anti-corrosion metal base plate and the second anti-corrosion metal base plate, the connecting port is formed in one integral mode, the connecting port is formed in two, the other end of the connecting port is provided with a steel plate gasket block, the steel plate gasket block is provided with two threads, and the threads are arranged on the inner portion of the connecting port and provided with two threads.
Description
Technical Field
The utility model relates to the technical field of prestressed anchor rods, in particular to a prestressed anchor rod for bridge construction.
Background
The prestressed anchor rod consists of an anchor head, a rod body and a base plate, and certain pre-stress is applied to the surrounding rock through anchoring force generated by the anchor head so as to actively reinforce the surrounding rock. Common prestressed anchors include mechanically expanding prestressed anchor, resin prestressed anchor and cement explosive cartridge prestressed anchor, depending on the anchoring mode or anchoring material. The basic principle of the mechanical expanding prestressed anchor rod is that when the tapered end part of the anchor rod rotates along the thread, two shells with barbs are expanded to be tightly pressed on the rock wall to generate anchoring force. Resin prestressed anchor: the anchoring end of the resin prestressed anchor rod adopts resin coil as an anchoring agent and consists of a resin cartridge bag, a rod body, a base plate and the like. The resin prestressed anchor rod has the advantages of fast bearing, large anchoring force, safety, reliability, relatively simple and convenient construction operation, wide application range and the like. The cement explosive roll prestress anchor rod: the anchoring end of the prestressed anchor rod of the cement explosive roll adopts the rapid hardening cement explosive roll as an anchoring agent, and the rapid hardening cement is used for stretching and anchoring the bonding of the rock wall and the rod body.
When the mechanical expanding shell prestressed anchor rod in the device is used, the anchoring can be gradually loosened along with the increase of time due to different fatigue degrees of metal rigidity, and the problem that a nut needs to be frequently screwed is solved
We have therefore proposed a prestressed anchor for bridge construction in order to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prestressed anchor rod for bridge construction, which solves the problems that the anchoring can be gradually loosened along with the increase of time and a nut needs to be frequently screwed because of different metal rigidity fatigue degrees when the existing mechanical expanding shell prestressed anchor rod provided by the background technology is used.
In order to achieve the purpose, the utility model provides the following technical scheme: a prestressed anchor rod for bridge construction comprises a hollow anchor rod main body mechanism, wherein a first anti-corrosion metal base plate is arranged above the outer wall of the hollow anchor rod main body mechanism, a second anti-corrosion metal base plate is arranged below the first anti-corrosion metal base plate, one end of each of the first anti-corrosion metal base plate and the second anti-corrosion metal base plate is provided with two connecting ports, the two connecting ports are integrally formed with one end of each of the first anti-corrosion metal base plate and the second anti-corrosion metal base plate, the other end of each of the two connecting ports is provided with a steel plate gasket block, the two steel plate gasket blocks are arranged, threaded walls are arranged inside the two connecting ports, the two threaded walls are provided with two first soft rubber protection covers, and the peripheries of the inner sides of the first anti-corrosion metal base plate and the second anti-corrosion metal base plate are respectively provided with a first soft rubber protection cover, and the number of the first soft rubber protection covers is four, four the two ends of the first soft rubber protection covers are fixedly connected with one ends of the first anti-corrosion metal base plate and the second anti-corrosion metal base plate.
Preferably, the inside of first software rubber safety cover all is provided with first spring mechanism, and the both ends of first spring mechanism all with first anticorrosion metal backing plate and second anticorrosion metal backing plate fixed connection.
Preferably, the lower end face of the second anti-corrosion metal base plate is provided with a grout stop plug, and the grout stop plug is in threaded rotary connection with the hollow anchor rod main body mechanism.
Preferably, the lower part of the outer wall of the main body mechanism of the hollow anchor rod is provided with a connecting reinforcing device mechanism, the connecting reinforcing device mechanism is rotatably connected with the main body mechanism of the hollow anchor rod, the outer wall of the connecting reinforcing device mechanism is provided with an anti-skid rubber ring, and the anti-skid rubber ring is connected with the connecting reinforcing device mechanism in a hot melting mode.
Preferably, the lower end face of the hollow anchor rod main body mechanism is provided with a metal expansion shell anchor head mechanism, the metal expansion shell anchor head mechanism is in threaded rotary connection with the hollow anchor rod main body mechanism, the lower end face of the metal expansion shell anchor head mechanism is provided with two force application ends, and the two force application ends are integrally formed with the metal expansion shell anchor head mechanism.
Preferably, a telescopic process seam is arranged above the inside of the metal expansion shell anchor head mechanism and integrally formed with the metal expansion shell anchor head mechanism, a second soft rubber protection cover is arranged between the metal expansion shell anchor head mechanisms, a second spring mechanism is arranged inside the second soft rubber protection cover, and two ends of the second spring mechanism are fixedly connected with the inner wall of the metal expansion shell anchor head mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the first soft rubber protective cover, the first spring mechanism, the connecting port and the steel plate gasket block which are arranged between the first anti-corrosion metal gasket plate and the second anti-corrosion metal gasket plate, when the device is used, the first anti-corrosion metal gasket plate and the second anti-corrosion metal gasket plate can apply force by rotating the grout stop block, and the first spring mechanism arranged in the first soft rubber protective cover effectively fills the loosened space in time, so that the problem that the anchoring can gradually loosen along with the increase of time and a nut needs to be frequently screwed due to different fatigue degrees of metal rigidity when the traditional mechanical expanding shell prestress anchor rod is used is solved.
2. Through the flexible technology seam, the second soft rubber protection cover and the second spring mechanism which are arranged on the metal expansion shell anchor head mechanism, the problem that the outer part of the metal expansion shell anchor head mechanism causes overload shearing force to cause element damage when the metal expansion shell anchor head mechanism is used is effectively avoided by means of the flexible tension force brought by the flexible technology seam and the second spring mechanism.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the anti-corrosion metal shim plate according to the present invention;
FIG. 3 is a schematic view of a partial structure of the metal anchor head mechanism of the present invention;
in the figure: 1. a hollow anchor rod main body mechanism; 2. a first anti-corrosion metal shim plate; 3. a second anti-corrosion metal backing plate; 4. a first soft rubber protective cover; 5. a stop-grouting plug block; 6. connecting a stiffener mechanism; 7. an anti-slip rubber ring; 8. a metal shell expansion anchor head mechanism; 9. stretching the process seam; 10. a second soft rubber protective cover; 11. a force application end; 12. a connection port; 13. a steel plate washer block; 14. a first spring mechanism; 15. a second spring mechanism; 16. a threaded wall.
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 a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: a prestressed anchor rod for bridge construction comprises a hollow anchor rod main body mechanism 1, wherein a first anti-corrosion metal base plate 2 is arranged above the outer wall of the hollow anchor rod main body mechanism 1, a second anti-corrosion metal base plate 3 is arranged below the first anti-corrosion metal base plate 2, one end of each of the first anti-corrosion metal base plate 2 and the second anti-corrosion metal base plate 3 is provided with two connecting ports 12, the two connecting ports 12 are integrally formed with one end of each of the first anti-corrosion metal base plate 2 and the second anti-corrosion metal base plate 3, the other end of each of the two connecting ports 12 is provided with a steel plate gasket block 13, the two steel plate gasket blocks 13 are provided, the inner parts of the two connecting ports 12 are provided with thread walls 16, the thread walls 16 are provided with two, the peripheries of the inner sides of the first anti-corrosion metal base plate 2 and the second anti-corrosion metal base plate 3 are provided with first soft rubber protective covers 4, and the number of the first soft rubber protection covers 4 is four, and two ends of each of the four first soft rubber protection covers 4 are fixedly connected with one end of the first anti-corrosion metal base plate 2 and one end of the second anti-corrosion metal base plate 3.
Further, the inside of first software rubber safety cover 4 all is provided with first spring mechanism 14, and the both ends of first spring mechanism 14 all with first anticorrosion metal backing plate 2 and second anticorrosion metal backing plate 3 fixed connection, and fixed connection makes its connection comparatively stable.
Further, the lower end face of the second anti-corrosion metal base plate 3 is provided with a grout stop block 5, the grout stop block 5 is in threaded rotation connection with the hollow anchor rod main body mechanism 1, and the grout stop block 5 is convenient to rotate due to threaded rotation.
Further, the below of the outer wall of the hollow anchor rod main body mechanism 1 is provided with a connecting reinforcing device mechanism 6, the connecting reinforcing device mechanism 6 is rotatably connected with the hollow anchor rod main body mechanism 1, the outer wall of the connecting reinforcing device mechanism 6 is provided with an anti-skid rubber ring 7, the anti-skid rubber ring 7 is connected with the connecting reinforcing device mechanism 6 in a hot melting mode, and the anti-skid rubber ring 7 is arranged to effectively enhance the friction force of the device when in use.
Further, the lower end face of the hollow anchor rod main body mechanism 1 is provided with a metal shell expansion anchor head mechanism 8, the metal shell expansion anchor head mechanism 8 is in threaded rotary connection with the hollow anchor rod main body mechanism 1, the lower end face of the metal shell expansion anchor head mechanism 8 is provided with two force application end heads 11, the two force application end heads 11 are integrally formed with the metal shell expansion anchor head mechanism 8, and the probability of generating a fracture surface is reduced due to integral formation.
Further, the top inside the metal shell anchor head mechanism 8 that rises is provided with flexible technology seam 9, and flexible technology seam 9 and the metal shell anchor head mechanism 8 integral type that rises form, and the metal is provided with second software rubber safety cover 10 between the shell anchor head mechanism 8 that rises, the inside of second software rubber safety cover 10 is provided with second spring mechanism 15, and the both ends of second spring mechanism 15 all with the metal shell anchor head mechanism 8 inner wall fixed connection that rises, flexible technology seam 9 effectively strengthens this mechanism to tensile flexible tensile adaptability.
The working principle is as follows: when this prestressed anchorage stake is used, 8 expand shell anchor head mechanisms through the metal of one end go deep into the preformed hole groove, the one end by only thick liquid chock 5 again rotates first anticorrosion metal backing plate 2 and second anticorrosion metal backing plate 3 and twists tightly, and the first spring mechanism 14 that sets up between first anticorrosion metal backing plate 2 and second anticorrosion metal backing plate 3, can effectually improve the lax after the time increases, connection port 12 and the steel sheet backing plate piece 13 of setting, can correct the skew of dislocation or position, flexible technology seam 9 and second spring mechanism 15 that set up on metal expands shell anchor head mechanisms 8, the life of end has been strengthened, the destruction dynamics that tension brought when reducing fixed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a bridge construction supplies prestressed anchor, includes cavity stock main part mechanism (1), its characterized in that: the hollow anchor rod is characterized in that a first anti-corrosion metal base plate (2) is arranged above the outer wall of a main mechanism (1) of the hollow anchor rod, a second anti-corrosion metal base plate (3) is arranged below the first anti-corrosion metal base plate (2), the first anti-corrosion metal base plate (2) and one end of the second anti-corrosion metal base plate (3) are both provided with two connecting ports (12), the connecting ports (12) are both integrally formed with the first anti-corrosion metal base plate (2) and one end of the second anti-corrosion metal base plate (3), the other ends of the connecting ports (12) are both provided with steel plate gasket blocks (13), the steel plate gasket blocks (13) are both provided with two connecting ports (12), a thread wall (16) is arranged inside the connecting ports (12), the thread wall (16) is provided with two threads, and first soft rubber gasket blocks are arranged around the inner sides of the first anti-corrosion metal base plate (2) and the second anti-corrosion metal base plate (3) Glue safety cover (4), and first software rubber safety cover (4) are provided with four, four the both ends of first software rubber safety cover (4) all with the one end fixed connection of first anticorrosion metal backing plate (2) and second anticorrosion metal backing plate (3).
2. The prestressed anchor for bridge construction according to claim 1, wherein: four the inside of first software rubber safety cover (4) all is provided with first spring mechanism (14), and the both ends of first spring mechanism (14) all with first anticorrosion metal backing plate (2) and second anticorrosion metal backing plate (3) fixed connection.
3. The prestressed anchor for bridge construction according to claim 1, wherein: and a grout stop plug block (5) is arranged on the lower end face of the second anti-corrosion metal base plate (3), and the grout stop plug block (5) is in threaded rotary connection with the hollow anchor rod main body mechanism (1).
4. The prestressed anchor for bridge construction according to claim 1, wherein: the hollow anchor rod is characterized in that a connecting reinforcing device mechanism (6) is arranged below the outer wall of the main body mechanism (1) of the hollow anchor rod, the connecting reinforcing device mechanism (6) is rotatably connected with the main body mechanism (1) of the hollow anchor rod, an anti-skidding rubber ring (7) is arranged on the outer wall of the connecting reinforcing device mechanism (6), and the anti-skidding rubber ring (7) is connected with the connecting reinforcing device mechanism (6) in a hot melting mode.
5. The prestressed anchor for bridge construction according to claim 1, wherein: the lower terminal surface of cavity stock main part mechanism (1) is provided with metal and rises shell anchor head mechanism (8), metal rises shell anchor head mechanism (8) and cavity stock main part mechanism (1) screw thread and rotates and is connected, the lower terminal surface that the shell anchor head mechanism (8) is risen to metal is provided with application of force end (11), and application of force end (11) are provided with two, two application of force end (11) all rise shell anchor head mechanism (8) integral type with the metal and form.
6. The prestressed anchor for bridge construction according to claim 5, wherein: the metal rises the inside top of shell anchor head mechanism (8) and is provided with flexible technology seam (9), and flexible technology seam (9) and metal rise shell anchor head mechanism (8) integral type and form, the metal rises and is provided with second software rubber safety cover (10) between shell anchor head mechanism (8), the inside of second software rubber safety cover (10) is provided with second spring mechanism (15), and the both ends of second spring mechanism (15) all rise shell anchor head mechanism (8) inner wall fixed connection with the metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768444.8U CN216275658U (en) | 2021-11-12 | 2021-11-12 | Prestressed anchor rod for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768444.8U CN216275658U (en) | 2021-11-12 | 2021-11-12 | Prestressed anchor rod for bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216275658U true CN216275658U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122768444.8U Active CN216275658U (en) | 2021-11-12 | 2021-11-12 | Prestressed anchor rod for bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216275658U (en) |
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2021
- 2021-11-12 CN CN202122768444.8U patent/CN216275658U/en active Active
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