CN115450209B - Installation device for spiral rib of prestressed anchor rod - Google Patents
Installation device for spiral rib of prestressed anchor rod Download PDFInfo
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- CN115450209B CN115450209B CN202211225165.XA CN202211225165A CN115450209B CN 115450209 B CN115450209 B CN 115450209B CN 202211225165 A CN202211225165 A CN 202211225165A CN 115450209 B CN115450209 B CN 115450209B
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- spiral rib
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- clamping plate
- anchor rod
- connecting screw
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a mounting device for a prestressed anchor rod spiral rib, which comprises a guide sleeve (1), a clamping plate (2), a spiral rib clamping fixture (3), a connecting screw rod (4), a spiral rib (5) and an anchor rod (6); the anchor rod is arranged on the spiral rib clamping fixture, the spiral rib is erected on the spiral rib clamping fixture, and the spiral rib is coaxially sleeved on the anchor rod through the spiral rib clamping fixture; the guide sleeve is coaxially sleeved on the anchor rod and is positioned in the spiral rib, the connecting screw rod penetrates through the spiral rib and the guide sleeve, a group of clamping plates can be connected to two sides of the spiral rib through the connecting screw rod, a plurality of groups of clamping plates are arranged on the spiral rib at intervals through the connecting screw rod, and the spiral rib and the guide sleeve are connected into a whole through the connecting screw rod and the clamping plates. The invention can make the installation and positioning of the spiral rib on the prestressed anchor rod of the construction site more convenient and accurate.
Description
Technical Field
The invention relates to anchor rod construction auxiliary equipment, in particular to a mounting device for a prestressed anchor rod spiral rib.
Background
In structural design of constructional engineering, sometimes in order to meet the requirement of stress, the tension needs to be transmitted to stable rock stratum or soil body through arranging an anchor rod. In some prestressed concrete structures, in order to increase the crack resistance and ultimate load bearing capacity of the concrete in the anchoring zone, it is necessary to provide the anchoring zone with a helical rib for use with the anchor pad.
The spiral structure of the spiral rib causes the problem of difficult positioning and fixing during installation. In addition, in field construction, the spiral rib is often used as a fitting, and the installation is more random, so that the installation quality of the spiral rib cannot be ensured, and the effect of improving the concrete cracking resistance and the ultimate bearing capacity of an anchoring area cannot be realized.
Therefore, it is desirable to provide a mounting device dedicated for mounting a spiral rib on a prestressed anchor rod to improve the efficiency and accuracy of the installation and positioning of the spiral rib.
Disclosure of Invention
The invention aims to provide a device for installing a spiral rib of a prestressed anchor rod, which can enable the installation and positioning of the spiral rib on the prestressed anchor rod on a construction site to be more convenient and accurate.
The invention is realized in the following way:
the installation device for the spiral bar of the prestressed anchor rod comprises a guide sleeve, a clamping plate, a spiral bar clamping fixture, a connecting screw rod, a spiral bar and the anchor rod; the anchor rod is arranged on the spiral rib clamping fixture, the spiral rib is erected on the spiral rib clamping fixture, and the spiral rib is coaxially sleeved on the anchor rod through the spiral rib clamping fixture; the guide sleeve is coaxially sleeved on the anchor rod and is positioned in the spiral rib, the connecting screw rod penetrates through the spiral rib and the guide sleeve, a group of clamping plates can be connected to two sides of the spiral rib through the connecting screw rod, a plurality of groups of clamping plates are arranged on the spiral rib at intervals through the connecting screw rod, and the spiral rib and the guide sleeve are connected into a whole through the connecting screw rod and the clamping plates.
The guide sleeve comprises a sleeve and an ear plate, and the sleeve is matched and arranged on the anchor rod; the lug plates are symmetrically arranged on the outer wall of the sleeve respectively, and the lug plates are provided with connecting holes, so that the connecting screw rod can vertically penetrate through the lug plates through the connecting holes.
The two pairs of the ear plates are arranged, each pair of the ear plates are positioned in the same vertical plane, and the vertical planes are arranged along the radial direction of the sleeve; the vertical planes of the two pairs of ear plates are mutually perpendicular.
The splint include interior splint and outer splint, interior splint and outer splint all are cambered surface structure, make interior splint can match the laminating on the inner wall of spiral muscle, outer splint can match the laminating on the outer wall of spiral muscle.
The connecting grooves are formed on the inner clamping plate and the outer clamping plate, so that the connecting screw rod can penetrate through the inner clamping plate and the outer clamping plate through the connecting grooves.
The connecting groove is of a strip-shaped structure, and penetrates through the side ends of the inner clamping plate and the outer clamping plate.
The spiral rib mould comprises a plurality of support rods, a pair of support parts are formed on each support rod, and reinforcing steel bars of the spiral ribs can be embedded between the pair of support parts, so that the spiral ribs can be erected between the plurality of support rods through the support parts.
The support rods are arranged around the anchor rod at intervals, and the distance between the central axis of each support rod and the central axis of the anchor rod is consistent.
The connecting screw rod is screwed with a plurality of nuts, two nuts are locked on two sides of the lug plate, and the two nuts are positioned on two sides of the reinforcing steel bar of the spiral rib;
the connecting screw rod on cup joint two pairs of slipmats, every pair of slipmat symmetry sets up in the reinforcing bar both sides of spiral muscle to compress tightly splint on the inner wall and the outer wall of spiral muscle, two nuts correspond the locking respectively on a pair of slipmat.
The anti-slip pad is in a wedge-shaped cambered surface structure on one surface contacted with the clamping plate, so that the anti-slip pad is matched and attached with the clamping plate.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with the spiral rib mould and the anchor rod, is used for simulating the installation environment of the prestressed anchor rod in the construction site, and stably erects the spiral rib through the spiral rib mould and is used for determining the installation position between the spiral rib and the anchor rod, so that the spiral rib can be rapidly and accurately positioned on the prestressed anchor rod when being installed in the site, the installation is completed once, repeated correction is not needed, the installation efficiency and the installation precision are effectively improved, and the installation difficulty is reduced.
2. The guide sleeve, the clamping plate and the connecting screw rod are arranged, the connecting screw rod is arranged between the guide sleeve and the spiral rib in a penetrating way, and the clamping plate is clamped at the inner side and the outer side of the spiral rib, so that the guide sleeve and the spiral rib are connected into a stable and reliable whole through the connecting screw rod and the clamping plate, and meanwhile, the spiral rib and the prestressed anchor rod can be rapidly positioned on a construction site through the guide sleeve rod coaxially sleeved on the anchor rod, and the guide sleeve rod is accurate and convenient to position, convenient to install and easy to operate.
3. The invention has simple structure, easy material drawing and manufacturing, can shape and process the whole structure of the spiral rib and the guide sleeve, avoids the installation mode of 'installing and adjusting along with the installation' of the spiral rib in the prior art, can quickly and accurately assist the on-site installation of the spiral rib, ensures that the spiral rib achieves the function of improving the cracking resistance and the ultimate bearing capacity of the concrete in an anchoring area, and is suitable for the construction of various prestressed anchors with the spiral rib.
Drawings
FIG. 1 is a perspective view of the installation apparatus for a prestressed anchor rod helical rib of the present invention;
FIG. 2 is an exploded view of the mounting device for the pre-stressed anchor bar of the present invention;
FIG. 3 is a perspective view of a guide sleeve in the installation apparatus for a prestressed anchor rod helical rib of the present invention;
FIG. 4 is a perspective view of a clamping plate in the installation apparatus for the helical rib of the prestressed anchor of the present invention;
FIG. 5 is a perspective view of a screw rod clamping fixture in the installation device for the screw rod of the prestressed anchor rod of the present invention;
FIG. 6 is a schematic diagram of the installation of the helical rib on the helical rib mould in the installation device for the helical rib of the prestressed anchor rod of the present invention;
fig. 7 is a schematic view of the field installation of the installation apparatus for the pre-stressed anchor bar helical rib of the present invention.
In the figure, a guide sleeve 1, a sleeve 11, an ear plate 12, a connecting hole 13, a clamping plate 2, an inner clamping plate 21, an outer clamping plate 22, a connecting groove 23, a spiral rib clamping fixture 3, a supporting rod 31, a supporting part 32, a connecting screw rod 4, a nut 41, an anti-slip pad 42, a spiral rib 5, an anchor rod 6 and an anchor pad 7.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 and 2, an installation device for a prestressed anchor rod spiral bar comprises a guide sleeve 1, a clamping plate 2, a spiral bar clamping fixture 3, a connecting screw 4, a spiral bar 5 and an anchor rod 6; the anchor rod 6 is arranged on the spiral rib mould 3, the spiral rib 5 is erected on the spiral rib mould 3, and the spiral rib 5 is coaxially sleeved on the anchor rod 6 through the spiral rib mould 3; the guide sleeve 1 is coaxially sleeved on the anchor rod 6 and is positioned in the spiral rib 5, the connecting screw rod 4 penetrates through the spiral rib 5 and the guide sleeve 1, one group of clamping plates 2 can be connected to two sides of the spiral rib 5 through the connecting screw rod 4, a plurality of groups of clamping plates 2 are arranged on the spiral rib 5 at intervals through the connecting screw rod 4, and the spiral rib 5 and the guide sleeve 1 are connected into a whole through the connecting screw rod 4 and the clamping plates 2.
The anchor rod 6 is the same as a construction site prestressed anchor rod and is used for simulating the installation environment of the construction site. On the spiral rib mould 3, the guide sleeve 1 is sleeved on the anchor rod 6, the spiral rib 5 is fixedly connected with the guide sleeve 1 through the connecting screw rod 4 and the clamping plate 2 to form a whole, the installation condition between the spiral rib 5 and the anchor rod 6 is ensured to meet the installation requirement of the spiral rib 5 on a construction site prestressed anchor rod, and the guide sleeve 1 is sleeved on the construction site prestressed anchor rod, so that the reliable and accurate installation of the spiral rib 5 on the construction site can be ensured.
Referring to fig. 3, the guide sleeve 1 comprises a sleeve 11 and an ear plate 12, wherein the sleeve 11 is matched and arranged on the anchor rod 6; the lug plates 12 are symmetrically arranged on the outer wall of the sleeve 11, and the lug plates 12 are provided with connecting holes 13, so that the connecting screw rods 4 can vertically penetrate through the lug plates 12 through the connecting holes 13.
The dimensions of the sleeve 11 can be determined according to the dimensions of the anchor rod 6 and the prestressed anchor rod at the construction site, so that the sleeve 11 is coaxially sleeved with the anchor rod 6 and the prestressed anchor rod. The lug plate 12 is used for penetrating the connecting screw rod 4 so as to ensure the fixed connection between the guide sleeve 1 and the spiral rib 5.
Referring to fig. 3, two pairs of ear plates 12 are provided, each pair of ear plates 12 is located in the same vertical plane, and the vertical planes are arranged along the radial direction of the sleeve 11; the vertical planes of the two pairs of ear panels 12 are perpendicular to each other.
The installation of the four connecting screw rods 4 is limited from the transverse direction, the longitudinal direction and the vertical direction by two pairs of ear plates 12 which are perpendicular to each other and are arranged up and down in a staggered way, so that the four connecting screw rods 4 can be reliably connected with the guide sleeve 1 and the spiral rib 5, and a stable whole is formed.
Referring to fig. 2 and fig. 4, the clamping plate 2 includes an inner clamping plate 21 and an outer clamping plate 22, wherein the inner clamping plate 21 and the outer clamping plate 22 are both in arc structures, so that the inner clamping plate 21 can be matched and attached to the inner wall of the spiral rib 5, and the outer clamping plate 22 can be matched and attached to the outer wall of the spiral rib 5.
The inner clamping plate 21 and the outer clamping plate 22 tightly clamp the inner side and the outer side of the reinforcing steel bar of the spiral rib 5, so that the connection reliability between the connection screw rod 4 and the reinforcing steel bar of the spiral rib 5 can be improved, and the connection screw rod 4 is prevented from falling off from the spiral rib 5.
Referring to fig. 2 and 4, the inner clamping plate 21 and the outer clamping plate 22 are formed with a connecting groove 23, so that the connecting screw 4 can penetrate through the inner clamping plate 21 and the outer clamping plate 22 through the connecting groove 23.
The connecting groove 23 is used for penetrating the connecting screw rod 4, the width of the groove body of the connecting groove 23 is slightly larger than the diameter of the connecting screw rod 4 and smaller than the outer diameter of the nut 41, and the nut 41 of the connecting screw rod 4 is ensured to be locked on the inner side of the inner clamping plate 21 and the outer side of the outer clamping plate 22, so that the inner clamping plate 21 and the outer clamping plate 22 are tightly pressed on the inner wall and the outer wall of the spiral rib 5.
Referring to fig. 2 and 4, the connecting groove 23 has a strip structure, and the connecting groove 23 penetrates the side ends of the inner clamping plate 21 and the outer clamping plate 22.
The connecting groove 23 in the half-open form is convenient for inserting the inner clamping plate 21 and the outer clamping plate 22 onto the connecting screw rod 4, is convenient to assemble and disassemble, and has a certain adjusting function, so that the inner clamping plate 21 and the outer clamping plate 22 are matched and attached with the inner wall and the outer wall of the spiral rib 5.
Referring to fig. 2, 5 and 6, the spiral rib mold 3 includes a plurality of support rods 31, and each support rod 31 is formed with a pair of support portions 32, and the reinforcing bars of the spiral rib 5 can be embedded between the pair of support portions 32, so that the spiral rib 5 can be erected between the plurality of support rods 31 through the support portions 32.
The distance between each pair of supporting parts 32 is slightly larger than the diameter of the reinforcing steel bars of the spiral ribs 5, the setting height of the supporting parts 32 on each supporting rod 31 is set according to the spiral distance of the spiral ribs 5, a plurality of supporting rods 31 are guaranteed to support the spiral ribs 5 through the supporting parts 32, the stability of the spiral ribs 5 and the coaxiality of the spiral ribs and the anchor rods 6 are guaranteed, and therefore the positioning accuracy and the installation coaxiality of the spiral ribs 5 and the prestressed anchor rods on a construction site are guaranteed. The number of the support rods 31 is not less than three and is arranged at equal intervals, preferably four.
Referring to fig. 5 and 6, the plurality of support rods 31 are arranged around the anchor rod 6 at intervals, and the distance between the central axis of each support rod 31 and the central axis of the anchor rod 6 is consistent, so that the coaxiality of the spiral rib 5 and the anchor rod 6 is further ensured.
Referring to fig. 1 and 2, the connecting screw rod 4 is screwed with a plurality of nuts 41, wherein two nuts 41 are locked on two sides of the lug plate 12, and two nuts 41 can be locked on two sides of the reinforcing steel bar of the spiral rib 5.
The screw cap 41 is screwed with the connecting screw rod 4 through screw thread matching, and is used for locking the connecting screw rod 4 on the reinforcing steel bars of the lug plate 1 and the spiral rib 5.
Referring to fig. 1 and 2, the connecting screw rod 4 is sleeved with two pairs of anti-slip pads 42, each pair of anti-slip pads 42 is symmetrically arranged at two sides of the reinforcing steel bar of the spiral rib 5, the clamping plate 2 is tightly pressed on the inner wall and the outer wall of the spiral rib 5, and the two nuts 41 are correspondingly locked on the pair of anti-slip pads 42 respectively.
The anti-slip pad 42 can be made of rubber materials and is used for pressing the inner clamping plate 21 on the inner wall of the spiral rib 5 from the inner side and pressing the outer clamping plate 22 on the outer wall of the spiral rib 5 from the outer side, so that the anti-slip pressing effect is achieved, and the connection reliability of the connecting screw rod 4 and the spiral rib 5 is further ensured.
Referring to fig. 2, the surface of the anti-slip pad 42 contacting the clamping plate 2 is in a wedge-shaped cambered surface structure, so that the anti-slip pad 42 is matched and attached with the clamping plate 2, and the compression effect of the anti-slip pad 42 on the clamping plate 2 is further improved.
Referring to fig. 1 to 7, the installation process flow of the present invention is as follows: the specific operation method comprises the following steps of manufacturing a guide sleeve 1, manufacturing a clamping plate 2, manufacturing a spiral rib mould 3, arranging a spiral rib 5, assembling a spiral rib 5 mounting device, and mounting the spiral rib 5 on site:
1. and manufacturing the guide sleeve 1.
Steel pipes are used as the sleeves 11 and steel plates are used as the ear plates 12. According to the design length and the spiral distance of the spiral ribs 5, the length of the steel pipe and the installation position of the steel plate in the vertical direction of the steel pipe are determined, and the steel pipe and the steel plate are firmly welded to form the guide sleeve 1. The lug plates 12 are provided with connecting holes 13 for connecting the penetrating fixation of the screw rod 4, and the upper lug plate 12 and the lower lug plate 12 are arranged at 90 degrees.
2. And (5) manufacturing the clamping plate 2.
According to the curvature of the spiral rib 5, the clamping plate 2 is subjected to rounding customization processing, the inner clamping plate 21 and the outer clamping plate 22 are respectively processed according to the different curvatures of the spiral rib 5, so that the inner clamping plate 21 and the outer clamping plate 22 can be tightly attached to the inner wall and the outer wall of the spiral rib 5, and the clamping plate is firmly fixed. Meanwhile, in order to facilitate the installation of the inner clamping plate 21 and the outer clamping plate 22, semi-open type connecting grooves 23 which are adapted to the connecting screw rods 4 are respectively formed on the inner clamping plate 21 and the outer clamping plate 22.
3. And manufacturing the spiral rib mould 3.
A steel operation table is erected on a processing field to simulate the installation working condition of the on-site spiral rib 5, an anchor rod 6, a support rod 31 and a support part 32 thereof are welded on the operation table, the support rod 31 and the support part 32 thereof can be manufactured by steel bars and welded and fixed, and the anchor rod 6 can be a prestressed anchor rod which is the same as the construction field to form a spiral rib mould 3 which accords with the installation environment of the spiral rib 5.
In order to ensure the setting stability of the spiral rib 5, the supporting rods 31 can be arranged around the anchor rod 6 at equal intervals of 90 degrees, the setting heights of a pair of supporting parts 32 on the four supporting rods 31 can be set according to the spiral interval of the spiral rib 5, and the interval between the pair of supporting parts 32 can be set according to the diameter of the reinforcing steel bar of the spiral rib 5 so as to ensure that the spiral rib 5 is stably erected between the four supporting rods 31 through the four pairs of supporting parts 32 and is coaxially sleeved on the anchor rod 6.
4. The spiral ribs 5 are arranged.
The spiral rib 5 which needs to be installed on site is erected on the four supporting rods 31 of the spiral rib clamping fixture 3, and the spiral rib 5 needs to be fixed firmly, so that position change in the operation process is avoided.
5. The spiral rib 5 mounting device is assembled.
According to the installation condition of the spiral rib 5, the vertical relative position of the guide sleeve 1 and the spiral rib 5 is determined, the guide sleeve 1 is coaxially sleeved on the anchor rod 6 and is firmly installed, and the guide sleeve 1 is positioned in the spiral rib 5.
A connecting screw rod 4 penetrates through the spiral rib 5 and the lug plate 12, is screwed and locked on two sides of the lug plate 12 through two nuts 41, and is fixedly connected with the lug plate 12; then one pair of anti-slip pads 42 is slid to two sides of the reinforcing steel bars of the spiral rib 5 positioned at one side of the ear plate 12, the inner clamping plate 21 is arranged between the inner wall of the spiral rib 5 and the anti-slip pads 42, the outer clamping plate 22 is arranged between the outer wall of the spiral rib 5 and the anti-slip pads 42, and the inner clamping plate 21 and the outer clamping plate 22 are respectively locked by two nuts 41; the other pair of anti-slip pads 42 is slid to both sides of the reinforcing bar of the spiral rib 5 positioned at the other side of the ear plate 12, the inner clamping plate 21 is placed between the inner wall of the spiral rib 5 and the anti-slip pads 42, the outer clamping plate 22 is placed between the outer wall of the spiral rib 5 and the anti-slip pads 42, and the two clamping plates are respectively locked from the inner side of the inner clamping plate 21 and the outer side of the outer clamping plate 22 through two nuts 41, so that the installation of one connecting screw rod 4 and the two pairs of clamping plates 2 is completed.
The steps are repeated to complete the installation of four connecting screw rods 4 and eight pairs of clamping plates 2, and the guide sleeve 1 and the spiral ribs 5 are connected into a whole.
5. The spiral ribs 5 are installed on site.
The guide sleeve 1 and the spiral rib 5 which are integrally connected are dismounted from the anchor rod 6 and transported to a construction site, and the guide sleeve 1 is sleeved on a prestressed anchor rod of the construction site and fixed, so that the installation of the spiral rib 5 on the prestressed anchor rod is completed. And then the anchor pad 7 and other accessories are installed according to the requirements, and the anchor pad 7 and other accessories are installed by adopting the prior art, so that the details are not repeated.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, and therefore, any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A installation device for prestressing force stock spiral muscle, characterized by: comprises a guide sleeve (1), a clamping plate (2), a spiral rib clamping fixture (3), a connecting screw rod (4), a spiral rib (5) and an anchor rod (6); the anchor rod (6) is arranged on the spiral rib clamping fixture (3), the spiral rib (5) is erected on the spiral rib clamping fixture (3), and the spiral rib (5) is coaxially sleeved on the anchor rod (6) through the spiral rib clamping fixture (3); the guide sleeve (1) is coaxially sleeved on the anchor rod (6) and is positioned in the spiral rib (5), the connecting screw rod (4) penetrates through the spiral rib (5) and the guide sleeve (1), a group of clamping plates (2) can be connected to two sides of the spiral rib (5) through the connecting screw rod (4), a plurality of groups of clamping plates (2) are arranged on the spiral rib (5) at intervals through the connecting screw rod (4), and the spiral rib (5) and the guide sleeve (1) are connected into a whole through the connecting screw rod (4) and the clamping plates (2).
2. The mounting device for a prestressed anchor rod spiral bar according to claim 1, wherein: the guide sleeve (1) comprises a sleeve (11) and an ear plate (12), and the sleeve (11) is matched and arranged on the anchor rod (6); the lug plates (12) are symmetrically arranged on the outer wall of the sleeve (11), and the lug plates (12) are provided with connecting holes (13), so that the connecting screw rods (4) can vertically penetrate through the lug plates (12) through the connecting holes (13).
3. The mounting device for a prestressed anchor rod spiral bar according to claim 2, wherein: the two pairs of the ear plates (12) are arranged, each pair of the ear plates (12) is positioned in the same vertical plane, and the vertical planes are arranged along the radial direction of the sleeve (11); the vertical planes of the two pairs of ear plates (12) are perpendicular to each other.
4. The mounting device for a prestressed anchor rod spiral bar according to claim 1, wherein: the clamping plate (2) comprises an inner clamping plate (21) and an outer clamping plate (22), wherein the inner clamping plate (21) and the outer clamping plate (22) are of cambered surface structures, so that the inner clamping plate (21) can be matched and attached to the inner wall of the spiral rib (5), and the outer clamping plate (22) can be matched and attached to the outer wall of the spiral rib (5).
5. The mounting device for a prestressed anchor rod spiral bar according to claim 4, wherein: the connecting grooves (23) are formed on the inner clamping plate (21) and the outer clamping plate (22), so that the connecting screw rod (4) can penetrate through the inner clamping plate (21) and the outer clamping plate (22) through the connecting grooves (23).
6. The mounting device for a prestressed anchor rod spiral bar according to claim 5, wherein: the connecting groove (23) is of a strip-shaped structure, and the connecting groove (23) penetrates through the side ends of the inner clamping plate (21) and the outer clamping plate (22).
7. The mounting device for a prestressed anchor rod spiral bar according to claim 1, wherein: the spiral rib mould (3) comprises a plurality of supporting rods (31), a pair of supporting parts (32) are formed on each supporting rod (31), and the reinforcing steel bars of the spiral ribs (5) can be embedded between the pair of supporting parts (32), so that the spiral ribs (5) can be erected between the plurality of supporting rods (31) through the supporting parts (32).
8. The mounting device for a prestressed anchor rod spiral bar according to claim 7, wherein: the supporting rods (31) are arranged around the anchor rod (6) at intervals, and the distance between the central axis of each supporting rod (31) and the central axis of the anchor rod (6) is consistent.
9. The mounting device for a prestressed anchor rod spiral bar according to claim 2, wherein: the connecting screw rod (4) is screwed with a plurality of nuts (41), wherein two nuts (41) are locked on two sides of the lug plate (12), and the two nuts (41) are positioned on two sides of the reinforcing steel bar of the spiral rib (5);
the connecting screw rod (4) is sleeved with two pairs of anti-slip pads (42), each pair of anti-slip pads (42) is symmetrically arranged on two sides of a reinforcing steel bar of the spiral rib (5), the clamping plate (2) is tightly pressed on the inner wall and the outer wall of the spiral rib (5), and the two nuts (41) are correspondingly locked on the pair of anti-slip pads (42) respectively.
10. The mounting device for a prestressed anchor rod spiral bar according to claim 9, wherein: one surface of the anti-slip pad (42) contacted with the clamping plate (2) is in a wedge-shaped cambered surface structure, so that the anti-slip pad (42) is matched and attached with the clamping plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211225165.XA CN115450209B (en) | 2022-10-09 | 2022-10-09 | Installation device for spiral rib of prestressed anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211225165.XA CN115450209B (en) | 2022-10-09 | 2022-10-09 | Installation device for spiral rib of prestressed anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115450209A CN115450209A (en) | 2022-12-09 |
| CN115450209B true CN115450209B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211225165.XA Active CN115450209B (en) | 2022-10-09 | 2022-10-09 | Installation device for spiral rib of prestressed anchor rod |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1006035A (en) * | 1964-02-25 | 1965-09-29 | Leitner Kajetan | Tool for inserting or withdrawing a collar nut from a supporting member |
| CN201273060Y (en) * | 2008-09-12 | 2009-07-15 | 关长禄 | Pre-stress spherical anchorage |
| CN201792496U (en) * | 2010-09-08 | 2011-04-13 | 长治市利鸿科工贸有限公司 | Anchor bolt forming machine |
| CN102745608A (en) * | 2011-04-22 | 2012-10-24 | 上海庞源机械租赁股份有限公司 | Fixing structure of wall-attached ear plate of tower crane |
| CN208869929U (en) * | 2018-07-30 | 2019-05-17 | 中交一公局集团有限公司 | Concrete box girder transverse bridge is to prestressed structure |
| CN215630198U (en) * | 2021-09-03 | 2022-01-25 | 中冶成都勘察研究总院有限公司 | PSB finish rolling screw-thread steel prestressing force anti-floating anchor rod |
-
2022
- 2022-10-09 CN CN202211225165.XA patent/CN115450209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1006035A (en) * | 1964-02-25 | 1965-09-29 | Leitner Kajetan | Tool for inserting or withdrawing a collar nut from a supporting member |
| CN201273060Y (en) * | 2008-09-12 | 2009-07-15 | 关长禄 | Pre-stress spherical anchorage |
| CN201792496U (en) * | 2010-09-08 | 2011-04-13 | 长治市利鸿科工贸有限公司 | Anchor bolt forming machine |
| CN102745608A (en) * | 2011-04-22 | 2012-10-24 | 上海庞源机械租赁股份有限公司 | Fixing structure of wall-attached ear plate of tower crane |
| CN208869929U (en) * | 2018-07-30 | 2019-05-17 | 中交一公局集团有限公司 | Concrete box girder transverse bridge is to prestressed structure |
| CN215630198U (en) * | 2021-09-03 | 2022-01-25 | 中冶成都勘察研究总院有限公司 | PSB finish rolling screw-thread steel prestressing force anti-floating anchor rod |
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| Publication number | Publication date |
|---|---|
| CN115450209A (en) | 2022-12-09 |
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