CN115506345B - Retainer for concrete anchor and concrete anchor assembly - Google Patents
Retainer for concrete anchor and concrete anchor assembly Download PDFInfo
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- CN115506345B CN115506345B CN202211071389.XA CN202211071389A CN115506345B CN 115506345 B CN115506345 B CN 115506345B CN 202211071389 A CN202211071389 A CN 202211071389A CN 115506345 B CN115506345 B CN 115506345B
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Structural Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The application relates to a retainer for a concrete anchor and a concrete anchor assembly, the retainer for the concrete anchor comprises a retainer body, the retainer body is formed by sequentially connecting more than two retaining units, each retaining unit comprises two connecting pieces which are bilaterally symmetrical, each connecting piece comprises an upper half ring, a lower half ring and a connecting plate, the upper end and the lower end of each connecting plate are respectively connected with the lower surface of each upper half ring and the upper surface of each lower half ring, a bending section is arranged in the middle of each connecting plate, and the concrete anchor assembly is used for the retainer for the concrete anchor, and anchor rods are arranged in the retainer body in a penetrating mode. The anchor assembly can be clamped in the anchor hole, and cannot slide out during grouting, so that the connection strength is improved.
Description
Technical Field
The application relates to the technical field of anchoring, in particular to a retainer for a concrete anchor and a concrete anchoring assembly.
Background
The anchor rod is a rod member system structure for soil reinforcement. The body of rod of stock is usually twisted steel, steel pipe, steel strand wires etc. and tensile strength is higher material, and the stock construction is general all is first drilling, puts the stock body of rod into the drilling again, then slip casting, however in actual construction, the stock body of rod is put into after the drilling, and stock center easily squints, consequently sets up the locator on the stock body of rod in order to ensure that the stock body of rod is located the central point of drilling, avoids the body of rod directly leaning on the drilling pore wall.
Patent document CN202122338290.9 discloses an anchor rod positioner and an anchor rod, wherein the anchor rod positioner comprises a first barrel piece and a second barrel piece, the first barrel piece is provided with two first butt joint surfaces, and the second barrel piece is provided with two second butt joint surfaces respectively spliced with the two first butt joint surfaces; two first butt joint plates are respectively and outwardly extended at the first butt joint surface of the first barrel piece, and two second butt joint plates are respectively and outwardly extended at the second butt joint surface of the second barrel piece and along the second butt joint surface; positioning pins are outwards fixed on the two first butt joint plates, and positioning holes which can be matched with the positioning pins are correspondingly formed in the two second butt joint plates; the axle center of the locating pin is provided with a through hole, and the two locating pins are correspondingly inserted into the two locating holes and inserted into the through holes through the connecting piece, so that the first barrel piece and the second barrel piece are in butt joint and fixed to form a barrel.
The structure can keep the anchor rod at the center of the anchor hole, but the disc-shaped anchor hole inner wall can be scratched due to the fact that the butt joint plates are butted, the anchor assembly is affected to enter the anchor hole, meanwhile, the anchor rod is outwards jacked due to slurry flowing during grouting, and therefore installation resistance is increased, and installation is difficult.
Disclosure of Invention
In order to solve the problem of difficult installation of the existing anchoring assembly, the application provides a retainer for a concrete anchor and the concrete anchoring assembly, and aims to enable the anchoring assembly to be clamped in an anchor hole, prevent the anchoring assembly from sliding out during grouting and improve the connection strength.
In order to achieve the above object, the technical scheme of the present application is as follows:
the retainer for the concrete anchor comprises a retainer body, wherein the retainer body is formed by sequentially connecting more than two retaining units, and each retaining unit comprises two connecting pieces which are bilaterally symmetrical;
the connecting piece comprises an upper semi-ring, a lower semi-ring and a connecting plate, wherein a guide post is arranged on the upper surface of the upper semi-ring, a first lug is arranged on the outer ring surface of the upper semi-ring, a first supporting rod is hinged on the first lug, the lower semi-ring is opposite to the upper semi-ring vertically coaxially, a guide groove is arranged on the inner ring surface of the lower semi-ring, a second lug which corresponds to the first lug vertically is arranged on the outer ring surface of the lower semi-ring, a second supporting rod is hinged on the second lug, the length of the second supporting rod is longer than that of the first supporting rod, the upper semi-ring and the lower semi-ring are respectively connected at the upper end and the lower end of the connecting plate, a space is reserved between the front end and the rear end of the connecting plate and the front end and the rear end of the upper semi-ring, the front end and the rear end of the lower semi-ring are respectively, a bending section is arranged on the connecting plate, the upper semi-ring is detachably connected with the upper semi-ring of the connecting piece, and the lower semi-ring of the connecting piece is detachably connected with the lower semi-ring symmetrically to form a lower ring;
when a plurality of holding units are connected in sequence, the guide posts of the holding units positioned below in the two adjacent holding units extend into the guide grooves of the holding units above, and the free ends of the first support rods of the holding units below are hinged to the middle parts of the corresponding second support rods on the holding units above.
Further, the connecting plate is divided into a plurality of connecting plates through the bending sections, the bending direction of the bending sections of the connecting plate is bending in the direction of the connecting line of the circle centers of the upper semi-ring and the lower semi-ring, each bending section comprises an integral structure formed by a buckle plate and two inclined plates which are symmetrical up and down, the outer ends of the two inclined plates which are symmetrical up and down are respectively connected with the opposite ends of the two adjacent connecting plates, the inner ends of the two inclined plates are respectively inclined towards the direction of the connecting line of the circle centers of the upper semi-ring and the lower semi-ring and are respectively connected with the upper end face and the lower end face of the buckle plate, and when the two connecting pieces which are symmetrical left and right are connected to form a holding unit, the buckle plates of the two left and right opposite bending sections are in opposite contact to form cylinders with openings at the upper end and the lower end.
Further, the inclined plate is formed by bending an inclined fan-shaped annular plate body into an arc shape.
Further, the front part and the rear part of the upper semi-ring are symmetrically provided with first step holes which horizontally penetrate through the upper semi-ring, the front part and the rear part of the lower semi-ring are symmetrically provided with second step holes which horizontally penetrate through the lower semi-ring, the upper semi-rings of the connecting piece are connected through first bolts which penetrate through two coaxially opposite first step holes, and the lower semi-rings of the connecting piece are connected through second bolts which penetrate through two coaxially opposite second step holes.
Further, two guide posts, two first support rods and two second support rods are arranged on each connecting piece, and the two guide posts, the two first support rods and the two second support rods on the connecting pieces are in front-back symmetrical states.
Further, one side surface of the guide post facing the center of the upper semi-ring is on the same arc surface with the inner ring surface of the upper semi-ring, and the guide groove surrounds the projection of the guide post on the upper surface of the lower semi-ring.
Further, the inner ring surface of the upper semi-ring and one side surface of the guide post facing the center of the upper semi-ring are respectively provided with a first thread, the inner ring surface of the lower semi-ring is provided with a second thread, when two connecting pieces which are bilaterally symmetrical are connected to form a holding unit, the first threads on the left and right opposite upper semi-rings and the left and right opposite guide post form an integrated first internal thread, the second threads on the left and right opposite lower semi-rings form an integrated second internal thread, and the rotation directions of the first internal thread and the second internal thread are opposite.
A retainer for a concrete anchor is provided, wherein an anchor rod is arranged in the retainer body in a penetrating manner, the anchor rod is a round tube body, a plurality of adjusting tubes fixedly connected with the anchor rod are sleeved outside the anchor rod, a first external thread and a second external thread which are in an intersecting state are arranged on the peripheral wall of each adjusting tube, the second external thread is matched with the second internal thread of the upper holding unit in the two adjacent holding units, and the first external thread is matched with the first internal thread of the lower holding unit in the two adjacent holding units.
Further, a limiting ring is sleeved on the anchor rod corresponding to the connecting plate located at the lowest position among the connecting plates of the retainer body, the limiting ring is a torus, a third internal thread is arranged on the inner torus of the limiting ring, and the third internal thread is matched with the first external thread.
Further, a space is reserved between the lower surface of the lower semi-ring of the upper retaining unit and the upper surface of the upper semi-ring of the lower retaining unit in the two adjacent retaining units.
Through the technical scheme, the application has the beneficial effects that:
compared with the prior art, the application can ensure that the anchoring assembly smoothly enters the anchor hole and is stably and quickly connected in the anchor hole, and the anchoring assembly can not slide out during grouting, thereby ensuring enough anchoring force.
According to the application, the anchor rod, the upper semi-ring, the lower semi-ring and the connecting plate can be kept on the central axis of the anchor hole, and after casting, the anchor rod, the upper semi-ring, the lower semi-ring and the connecting plate are wrapped by concrete, so that the using effect is not affected due to the eccentricity of the anchor rod.
The anchor rod disclosed by the application can be used for transmitting acting force and grouting, the retainer body is integrally formed along the anchor rod after being connected with the adjusting pipe, and the acting force can be transmitted, so that the upper limit of the acting force transmitted by the anchor rod is improved compared with the prior art.
The retainer body of the application is penetrated into the soil body by the second support rod during grouting, so that the anchoring capability of the anchoring assembly is enhanced.
When the holding unit is used for supporting the anchor rod, the connecting plate of the holding unit is deformed due to the bending section, which is equivalent to applying prestress to the anchoring assembly.
Drawings
FIG. 1 is a schematic view of the structure of a retainer body of the present application;
fig. 2 is a front view of the holding unit of the present application;
FIG. 3 is a front view of the connector of the present application;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a B-B cross-sectional view of FIG. 3;
FIG. 6 is a schematic structural view of the anchor assembly of the present application;
FIG. 7 is an enlarged view of section C of the present application;
FIG. 8 is a front view of the anchor rod of the present application;
fig. 9 is a view showing the connection state of the retainer ring and the adjustment tube in use of the present application.
The reference numerals in the drawings are: 1. an upper half ring; 2. a lower half ring; 3. a connecting plate; 4. a guide post; 5. a first stepped hole; 6. a first lug; 7. a first support bar; 8. a guide groove; 9. a second stepped hole; 10. a second lug; 11. a second support bar; 12. a buckle plate; 13. a first thread; 14. a second thread; 15. a bolt; 16. an adjusting tube; 17. and a limiting ring.
Detailed Description
The application is further described with reference to the drawings and detailed description which follow:
it should be noted that, in the following description, terms such as "front", "rear", "left", "right", "upper", "lower", "bottom" and "top" refer to directions in the drawings, and terms such as "inner" and "outer" refer to directions toward or away from a geometric center of a specific component, respectively.
As shown in fig. 1 to 9, a retainer for a concrete anchor includes a retainer body formed by sequentially connecting two or more retainer units, in fig. 1, two retainer units are connected, each retainer unit includes two connectors that are bilaterally symmetrical;
the connecting piece comprises an upper semi-ring 1, a lower semi-ring 2 and a connecting plate 3, wherein the upper semi-ring 1 and the lower semi-ring 2 are semi-ring bodies, a guide post 4 is arranged on the upper surface of the upper semi-ring 1, the projection of the upper semi-ring on the horizontal plane surrounds the projection of the guide post 4 on the horizontal plane, the outer surface of the upper semi-ring 1 consists of an upper surface, a lower surface, an outer ring surface, an inner ring surface and two vertical surfaces, the vertical surfaces of the upper semi-ring 1 and the lower semi-ring 2 are arranged on the same vertical surface, a first lug 6 is arranged on the outer ring surface of the upper semi-ring 1, a first supporting rod 7 is hinged on each first lug 6, one end of the first supporting rod 7 is hinged with the first lug 6, the other end is a free end, the lower semi-ring 2 is consistent with the outer diameter and the inner diameter of the upper semi-ring 1, the lower semi-ring 2 is coaxially opposite to the upper semi-ring 1, a guide groove 8 is arranged on the inner ring surface of the lower semi-ring 2, the guide groove 8 is a through groove which is concave towards the circle center of the lower half ring 2, the upper end and the lower end of the guide groove 8 penetrate through the upper surface and the lower surface of the lower half ring 2, a second lug 10 which corresponds to the first lug 6 from top to bottom is arranged on the outer ring surface of the lower half ring 2, a second supporting rod 11 is hinged on the second lug 10, one end of the second supporting rod 11 is hinged with the second lug 10, the other end is a free end, the length of the second supporting rod 11 is longer than that of the first supporting rod 7, the connecting plate 3 is an arc-shaped plate body with the arc length smaller than that of the lower half ring 2 and the upper half ring 1, the circle center of the connecting plate 3 and the circle center of the upper half ring 1 and the circle center of the lower half ring 2 are on the same straight line, the upper end and the lower end of the connecting plate 3 are respectively connected with the lower surface of the upper half ring 1 and the upper surface of the lower half ring 2, the front end and the rear end of the connecting plate 3 and the front end and the rear end of the lower half ring 2 are spaced, the upper end of the connecting plate 3 is close to the outer ring of the upper semi-ring 1, the lower end of the connecting plate 3 is close to the outer ring of the lower semi-ring 2, the connecting plate 3 is provided with a bending section, the vertical surfaces of the upper semi-ring 1 of the connecting piece are contacted with each other, the vertical surfaces of the lower semi-ring 2 of the connecting piece are contacted with each other, the upper semi-ring 1 of the connecting piece is detachably connected with each other to form an upper ring, and the lower semi-ring 2 of the connecting piece is detachably connected with each other to form a lower ring;
when a plurality of holding units are connected in sequence, the guide posts 4 of the holding units positioned below in two adjacent holding units extend into the guide grooves 8 of the holding units above, the inner walls of the guide grooves 8 are contacted with the outer walls of the guide posts, and the free ends of the first support rods 7 of the holding units below are hinged to the middle parts of the corresponding second support rods 11 on the holding units above.
The connecting plate 3 is divided into a plurality of connecting plates through bending sections, the bending direction of the bending section of the connecting plate 3 is bending in the direction of the connecting line of the circle centers of the upper semi-ring 1 and the lower semi-ring 2, each bending section comprises an integral structure formed by a buckle plate 12 and two inclined plates which are symmetrical up and down, the outer ends of the two inclined plates which are symmetrical up and down are respectively connected with the opposite ends of the two adjacent connecting plates, the inner ends of the two inclined plates are respectively inclined in the direction of the connecting line of the circle centers of the upper semi-ring 1 and the lower semi-ring 2 and are respectively connected with the upper end surface and the lower end surface of the buckle plate 12, the arc-shaped bulge directions of the two inclined plates which are symmetrical up and down are opposite, the buckle plate 12 is an arc-shaped plate body, the inner diameter of a ring where the buckle plate 12 is positioned is smaller than the inner ring diameter of the upper semi-ring 1, the buckle plate 12 is coaxial with the upper semi-ring 1, and when two connecting pieces which are symmetrical left and right are connected to form a holding unit, and the buckle plates 12 of the two left and right opposite bending sections are in opposite contact to each other to form cylinders with openings at the upper end and lower ends.
The inclined plate is formed by bending an inclined fan-shaped annular plate body into an arc shape.
The front part and the rear part of the upper semi-ring 1 are symmetrically provided with first step holes 5 penetrating through the upper semi-ring 1 horizontally, two ends of the first step holes 5 penetrate through the vertical surface and the outer annular surface of the upper semi-ring 1, the diameter of one end penetrating through the vertical surface on the first step holes 5 is smaller than that of one end penetrating through the outer annular surface, the first lugs 6 are staggered with the first step holes 5, the front part and the rear part of the lower semi-ring 2 are symmetrically provided with second step holes 9 penetrating through the lower semi-ring 2 horizontally, the second lugs 10 are staggered with the second step holes 9, the first step holes 5 of the two upper semi-rings 1 which are symmetrical left and right are coaxially opposite, the second step holes 9 of the two lower semi-rings 2 which are symmetrical left and right are coaxially opposite are connected through first bolts penetrating through the two first step holes 5 which are coaxially opposite, and the lower semi-ring 2 of the connecting piece which are symmetrical left and right are connected through second bolts penetrating through the two second step holes 9 which are coaxially opposite.
The guide posts 4, the first support rods 7 and the second support rods 11 on each connecting piece are two, and the two guide posts 4, the two first support rods 7 and the two second support rods 11 on each connecting piece are in a front-back symmetrical state.
One side surface of the guide post 4 facing the circle center of the upper semi-ring 1 and the inner ring surface of the upper semi-ring 1 are on the same arc surface, and the guide groove 8 surrounds the projection of the guide post 4 on the upper surface of the lower semi-ring 2.
The inner ring surface of the upper semi-ring 1 and one side surface of the guide post 4 facing the center of the upper semi-ring 1 are respectively provided with a first thread 13, the inner ring surface of the lower semi-ring 2 is provided with a second thread 14, when two connecting pieces which are bilaterally symmetrical are connected to form a holding unit, the first threads 13 on the left and right opposite upper semi-rings 1 and the left and right opposite guide posts 4 form an integral first internal thread, the second threads 14 on the left and right opposite lower semi-rings 2 form an integral second internal thread, and the screwing directions of the first internal thread and the second internal thread are opposite.
A concrete anchoring assembly uses the retainer for the concrete anchor, the anchor rod 15 is penetrated in the retainer body, the anchor rod 15 is a circular tube body, the outer diameter of the anchor rod 15 is smaller than or equal to the inner diameter of a circular ring where the buckle plate 12 is located, a plurality of adjusting pipes 16 fixedly connected with the anchor rod 15 are sleeved outside the anchor rod 15, the adjusting pipes 16 are arranged on the anchor rod 15 at intervals, the diameter of the outer peripheral wall of each adjusting pipe 16 is matched with the inner diameters of the upper half ring 1 and the lower half ring 2, a first external thread and a second external thread which are in an intersecting state are arranged on the outer peripheral wall of each adjusting pipe 16, the second external thread is matched with the second internal thread of the upper holding unit in the two adjacent holding units, and the first external thread is matched with the first internal thread of the lower holding unit in the two adjacent holding units.
The lengths of the first external thread and the second external thread are consistent with the length of the adjusting pipe 16, the rotation directions of the first external thread and the second external thread are opposite, and the first external thread and the second external thread intersect on the outer peripheral wall of the adjusting pipe 16 to separate the outer peripheral wall of the adjusting pipe 16 into fish scales.
The anchor rod 15 corresponding to the connecting plate at the lowest position among the connecting plates of the retainer body is sleeved with a limiting ring 17, the limiting ring 17 is a torus, the inner torus of the limiting ring 17 is provided with a third internal thread, and the third internal thread is matched with the first external thread.
The distance between the two adjacent adjusting pipes 16 is equal to the distance between the upper half ring 1 and the lower half ring 2 of one connecting piece, the length of each adjusting pipe 16 is larger than the sum of the thicknesses of the upper half ring 1 and the lower half ring 2, and a space is reserved between the lower surface of the lower half ring 2 of the upper holding unit and the upper surface of the upper half ring 1 of the lower holding unit in the two adjacent holding units.
Before use, the anchor hole is drilled by a drill, then the holding units are connected outside the anchor rod 15, when the anchor rod 15 is connected, the lower surfaces of the upper half rings 1 of the two connecting pieces which are bilaterally symmetrical are aligned with the lower ends of the upper adjusting pipes 16 in the two adjacent adjusting pipes 16, the upper surfaces of the lower half rings 2 are aligned with the upper ends of the lower adjusting pipes 16 in the two adjacent adjusting pipes 16, the two connecting pieces are in relative contact, the first internal threads are matched with the first external threads of the upper adjusting pipes 16 in the two adjacent adjusting pipes 16, the second internal threads are matched with the second external threads of the lower adjusting pipes 16 in the two adjacent adjusting pipes 16, the first bolts and the second bolts are used for respectively connecting the two bilaterally symmetrical upper half rings 1 and the two bilaterally symmetrical lower half rings 2, then the holding units are continuously connected above the connected holding units, the guide grooves 8 of the lower half rings 2 of the upper holding units are buckled outside the guide posts 4 of the lower holding units, the inner walls of the guide grooves 8 are in contact with the outer surfaces of the guide posts 4, the guide posts 8 and the guide posts 4 are in contact with the guide posts 4, the two adjacent holding units form a limit joint body, and the two holding units can not form a limit joint structure with the anchor rod body.
When two connecting pieces which are bilaterally symmetrical are connected to form a holding unit, the buckling plates 12 of two left and right opposite bending sections are contacted relatively to form cylinders with openings at the upper end and the lower end, and the two opposite buckling plates 12 are tied together by using binding wires or binding belts, so that the connecting plates can be ensured to be straight, the lengths of a plurality of retainers are consistent, the retainers are convenient to be connected with the adjusting pipe 16, the action of each retainer is consistent when the adjusting pipe 16 is connected with the retainer and the anchor rod is rotated, and the problem that the distance of the second supporting rod approaching the inner wall of the anchor hole is inconsistent due to the fact that the lengths of the retainers are different is avoided.
In use, because the space is reserved between the lower surface of the lower semi-ring 2 of the upper retaining unit and the upper surface of the upper semi-ring 1 of the lower retaining unit in the upper retaining unit and the lower retaining unit, the free ends of the hinged first supporting rod 7 and the second supporting rod 11 are close to the outer ring surface of the lower semi-ring 2, namely the diameter of the circle where the free end of the second supporting rod 11 is positioned is smaller than the diameter of the anchor hole, the anchor rod 15 can conveniently extend into the anchor hole with the retainer body, when the anchoring assembly of the application is horizontally placed in the anchor hole, the upper end of the anchoring assembly extends out of the anchor hole when the upper end of the anchoring assembly extends into the inner end of the anchor hole, because the diameter of the circle where the free end of the second supporting rod 11 is positioned is larger than the diameter of the circle where the first supporting rod 7 is positioned, the free end of the second supporting rod 11 inclines towards the direction of the outer end of the anchor hole, the anchor rod 15 is not influenced, the retainer body at the outer end of the anchor hole is clamped by using a pipe wrench and the anchor rod 15 is rotated, the anchor rod 15 drives the adjusting pipe 16 to rotate, because the first external thread and the second external thread are opposite in rotation direction, the first internal thread and the second internal thread are opposite in rotation direction, each connecting plate 3 is divided into a plurality of connecting plates through bending sections, when the anchor rod 15 is rotated, the upper semi-ring 1 and the lower semi-ring 2 of the same retaining unit are mutually far away, the upper semi-ring 1 of the lower retaining unit and the lower semi-ring 2 of the upper retaining unit in the adjacent two retaining units are mutually close, the bending sections on the connecting plates 3 deform when the upper semi-ring 1 and the lower semi-ring 2 of the same retaining unit are mutually far away, the connecting plates 3 are made of steel plates with the thickness of 0.5mm-2mm, at the moment, the connecting positions of the first supporting rods 7 and the second supporting rods 11 are close to the inner wall of the anchor hole, when the diameter of a circle where the free ends of the second supporting rods 11 are located is larger than the anchor hole, the free end of the second supporting rod 11 penetrates into the inner wall of the anchor hole and is clamped in the anchor hole, so that the anchoring assembly is connected with a soil body, the limiting ring 17 is manually rotated, the limiting ring 17 is connected to the upper part of the lowermost adjusting pipe 16 through the third internal thread and props against the upper end face of the lower semi-ring 2, the limiting ring 17 can prevent the relative rotation of the retainer body and the anchor rod 15, namely, after the limiting ring 17 props against the lower semi-ring 2, the connecting plate 3 is kept in a deformed state, the retainer body cannot recover to an initial state, grouting is conducted into the anchor rod 15, slurry flows out from the upper end of the anchor rod 15 and fills the inner end of the anchor hole, because the second supporting rod 11 is clamped in the anchor hole, the anchoring assembly cannot move outwards of the anchor hole due to grouting pressure, and grouting slurry is favorable for fully filling the inner end of the anchor hole.
The preferred embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the above examples, and various modifications can be made to the technical solution of the present application without departing from the spirit of the present application, i.e., the scope of the disclosure.
Claims (8)
1. The retainer for the concrete anchor comprises a retainer body, and is characterized in that the retainer body is formed by sequentially connecting more than two retaining units, and each retaining unit comprises two connecting pieces which are bilaterally symmetrical;
the connecting piece comprises an upper semi-ring (1), a lower semi-ring (2) and a connecting plate (3), wherein a guide column (4) is arranged on the upper surface of the upper semi-ring (1), a first lug (6) is arranged on the outer ring surface of the upper semi-ring (1), a first supporting rod (7) is hinged on the first lug (6), the lower semi-ring (2) is coaxially opposite to the upper semi-ring (1) from top to bottom, a guide groove (8) is arranged on the inner ring surface of the lower semi-ring (2), a second lug (10) corresponding to the first lug (6) from top to bottom is arranged on the outer ring surface of the lower semi-ring (2), a second supporting rod (11) is hinged on the second lug (10), the length of the second supporting rod (11) is larger than that of the first supporting rod (7), the upper end and the lower end of the connecting plate (3) are respectively connected with the upper semi-ring (1) and the lower semi-ring (2), a space is reserved between the front end and the rear end of the connecting plate (3) and the front end and the rear end of the lower semi-ring (2), the connecting plate (3) is provided with a bending section, the left end and right end of the left end of the connecting ring (1) is provided with a detachable ring (2), and the upper ring (1) is detachable;
when a plurality of holding units are connected in sequence, the guide posts (4) of the holding units positioned below in two adjacent holding units extend into the guide grooves (8) of the holding units above, and the free ends of the first support rods (7) of the holding units below are hinged with the middle parts of the corresponding second support rods (11) on the holding units above;
the connecting plate (3) is divided into a plurality of connecting plates through bending sections, the bending direction of the bending section of the connecting plate (3) is the direction of the connecting line of the circle centers of the upper half ring (1) and the lower half ring (2), each bending section comprises an integral structure formed by a buckle plate (12) and two inclined plates which are symmetrical up and down, the outer ends of the two inclined plates which are symmetrical up and down are respectively connected with the opposite ends of the two adjacent connecting plates, the inner ends of the two inclined plates are respectively inclined towards the direction of the connecting line of the circle centers of the upper half ring (1) and the lower half ring (2) and are respectively connected with the upper end face and the lower end face of the buckle plate (12), and when two connecting pieces which are symmetrical left and right are connected to form a holding unit, the buckle plates (12) of the two left and right opposite bending sections are in opposite contact to form a cylinder body with openings at the upper end and the lower end;
the inclined plate is formed by bending an inclined fan-shaped annular plate body into an arc shape.
2. A holder for concrete anchors according to claim 1, characterized in that the front and rear parts of the upper half ring (1) are symmetrically provided with first stepped holes (5) horizontally penetrating the upper half ring (1), the front and rear parts of the lower half ring (2) are symmetrically provided with second stepped holes (9) horizontally penetrating the lower half ring (2), the upper half ring (1) of the two connecting pieces being left-right symmetrical is connected via first bolts penetrating the two coaxially opposite first stepped holes (5), and the lower half ring (2) of the two connecting pieces being left-right symmetrical is connected via second bolts penetrating the two coaxially opposite second stepped holes (9).
3. A holder for a concrete anchor according to claim 1, characterized in that there are two guide posts (4), first support bars (7) and second support bars (11) on each of the connectors, and that the two guide posts (4), the two first support bars (7) and the two second support bars (11) on the connectors are all in a front-rear symmetrical state.
4. A holder for concrete anchors according to claim 1, characterized in that a side of the guide post (4) facing the centre of the upper half ring (1) is on the same arc as the inner ring surface of the upper half ring (1), and the guide groove (8) encloses the projection of the guide post (4) on the upper surface of the lower half ring (2).
5. A holder for concrete anchors according to claim 1, characterized in that the inner ring surface of the upper half ring (1) and the guide post (4) are provided with first threads (13) on one side facing the center of the upper half ring (1), the inner ring surface of the lower half ring (2) is provided with second threads (14), when two connecting pieces which are symmetrical left and right are connected to form a holding unit, the first threads (13) on the left and right opposite upper half ring (1) and the left and right opposite guide post (4) form an integral first internal thread, the second threads (14) on the left and right opposite lower half ring (2) form an integral second internal thread, and the first internal threads and the second internal threads are opposite in rotation direction.
6. A concrete anchoring assembly, use a retainer for concrete anchor of claim 5, characterized by, wear in the retainer body to be equipped with stock (15), stock (15) are the pipe body, stock (15) overcoat be equipped with a plurality of regulation pipe (16) with stock (15) fixed connection, have on the periphery wall of regulation pipe (16) and be first external screw thread and the second external screw thread that is the intercrossing state, the second external screw thread cooperatees with the second internal screw thread of upper holding unit in two adjacent holding units, first external screw thread cooperatees with the first internal screw thread of lower holding unit in two adjacent holding units.
7. The concrete anchoring assembly according to claim 6, wherein a limiting ring (17) is sleeved on the anchor rod (15) corresponding to the lowest connecting plate among the plurality of connecting plates of the retainer body, the limiting ring (17) is a torus, a third internal thread is arranged on an inner torus of the limiting ring (17), and the third internal thread is matched with the first external thread.
8. A concrete anchoring assembly according to claim 6, characterized in that the lower surface of the lower half ring (2) of the upper holding unit and the upper surface of the upper half ring (1) of the lower holding unit in said two adjacent holding units are spaced apart.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211071389.XA CN115506345B (en) | 2022-09-02 | 2022-09-02 | Retainer for concrete anchor and concrete anchor assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211071389.XA CN115506345B (en) | 2022-09-02 | 2022-09-02 | Retainer for concrete anchor and concrete anchor assembly |
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| CN115506345A CN115506345A (en) | 2022-12-23 |
| CN115506345B true CN115506345B (en) | 2023-10-20 |
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| CN202509532U (en) * | 2011-12-22 | 2012-10-31 | 深圳市市政工程总公司 | Multi-rib tension type anti-floating anchor |
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| CN115506345A (en) | 2022-12-23 |
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