CN115506345A - Retainer for concrete anchor and concrete anchoring assembly - Google Patents
Retainer for concrete anchor and concrete anchoring assembly Download PDFInfo
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- CN115506345A CN115506345A CN202211071389.XA CN202211071389A CN115506345A CN 115506345 A CN115506345 A CN 115506345A CN 202211071389 A CN202211071389 A CN 202211071389A CN 115506345 A CN115506345 A CN 115506345A
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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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Abstract
The invention relates to a retainer for a concrete anchor and a concrete anchoring assembly, wherein 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 the upper half ring and the upper surface of the lower half ring, the middle part of each connecting plate is provided with a bending section, the concrete anchoring assembly uses the retainer for the concrete anchor, and an anchor rod penetrates through the retainer body. The anchor assembly can be clamped in the anchor hole, cannot slide out during grouting, and the connection strength is improved.
Description
Technical Field
The invention relates to the technical field of anchoring, in particular to a retainer for a concrete anchor and a concrete anchoring assembly.
Background
The anchor is a rod system structure for soil reinforcement. The body of rod of stock generally is the higher material of tensile strength such as twisted steel, steel pipe, steel strand wires, and the anchor rod generally is the drilling earlier during construction, puts into the anchor rod body drilling again, then the slip casting, in the actual construction, however, after the anchor rod body was put into the drilling, the easy skew in anchor rod center, consequently generally set up the locator on the anchor rod body in order to ensure that the anchor rod body is located the central point of drilling, avoids the direct subsides of the body of rod to lean on the drilling pore wall.
CN202122338290.9 patent document discloses an anchor rod positioner and an anchor rod, the anchor rod positioner includes a first cylindrical sheet and a second cylindrical sheet, the first cylindrical sheet has two first butt-joint surfaces, the second cylindrical sheet has two second butt-joint surfaces respectively spliced with the two first butt-joint surfaces; two first butt joint plates extend outwards from the first butt joint surface of the first cylinder sheet along the first butt joint surface respectively, and two second butt joint plates extend outwards from the second butt joint surface of the second cylinder sheet along the second butt joint surface respectively; positioning pins are outwards fixed on the two first butt joint plates, and positioning holes matched with the positioning pins are correspondingly arranged on the two second butt joint plates; the axis of the positioning pin is provided with a through hole, and the two positioning pins are correspondingly inserted into the two positioning holes and inserted into the through holes through the connecting piece so that the first cylinder piece and the second cylinder piece are fixedly butted to form a cylinder body.
Although the anchor rod can be kept at the center of the anchor hole through the structure, the butt joint plates form a circular disc shape after being butted, the inner wall of the anchor hole can be scratched, the anchor assembly is influenced to enter the anchor hole, and meanwhile, during grouting, the anchor rod can be jacked outwards due to slurry flowing, so that the installation resistance is increased, and the installation is difficult.
Disclosure of Invention
The invention provides a retainer for a concrete anchor and a concrete anchor assembly, aiming at solving the problem that the existing anchor assembly is difficult to install, and aiming at enabling the anchor assembly to be clamped in an anchor hole, not to slide out during grouting and improving the connection strength.
In order to realize the purpose, the technical scheme of the invention is as follows:
a retainer for a 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 half ring, a lower half ring and a connecting plate, wherein a guide column is arranged on the upper surface of the upper half ring, a first lug is arranged on the outer ring surface of the upper half ring, a first supporting rod is hinged on the first lug, the lower half ring is coaxially opposite to the upper half ring in the vertical direction, a guide groove is arranged on the inner ring surface of the lower half ring, a second lug corresponding to the first lug in the vertical direction is arranged on the outer ring surface of the lower half ring, a second supporting rod is hinged on the second lug, the length of the second supporting rod is greater than that of the first supporting rod, the upper end and the lower end of the connecting plate are respectively connected with the upper half ring and the lower half ring, the front end and the rear end of the connecting plate are respectively provided with a distance from the front end to the rear end of the upper half ring and the front end and the rear end of the lower half ring, a bending section is arranged on the connecting plate, the upper half ring of the two connecting pieces which are bilaterally symmetrical is detachably connected to form an upper ring, and the lower half ring of the two connecting pieces which are bilaterally symmetrical is detachably connected;
when the plurality of holding units are connected in sequence, the guide post of the holding unit positioned at the lower part in the two adjacent holding units extends into the guide groove of the holding unit at the upper part, and the free end of the first supporting rod of the holding unit at the lower part is hinged with the middle part of the corresponding second supporting rod on the holding unit at the upper part.
Furthermore, 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 the bending direction of a connecting line of the centers of an upper half ring and a lower half ring, each bending section comprises a buckle plate and an integrated structure formed by two vertically symmetrical inclined plates, the outer ends of the two vertically symmetrical inclined plates are respectively connected with the opposite ends of the two adjacent connecting plates, the inner ends of the two vertically symmetrical inclined plates are respectively inclined towards the connecting line of the centers of the upper half ring and the lower half ring and are respectively connected to the upper end surface and the lower end surface of the buckle plate, and when the two horizontally symmetrical connecting pieces are connected to form a holding unit, the buckle plates of the two horizontally opposite bending sections are in relative contact to form a cylinder body with openings at the upper end and the lower end.
Furthermore, the inclined plate is formed by bending an inclined sector annular plate body into an arc shape.
Furthermore, the front part and the rear part of the upper half ring are symmetrically provided with first step holes which horizontally penetrate through the upper half ring, the front part and the rear part of the lower half ring are symmetrically provided with second step holes which horizontally penetrate through the lower half ring, the upper half rings of the two bilaterally symmetrical connecting pieces are connected through first bolts which penetrate through the two coaxially opposite first step holes, and the lower half rings of the two bilaterally symmetrical connecting pieces are connected through second bolts which penetrate through the two coaxially opposite second step holes.
Furthermore, every guide post, first bracing piece and second bracing piece on the connecting piece all have two, and two guide posts, two first bracing pieces, two second bracing pieces on the connecting piece all are symmetrical state from beginning to end.
Furthermore, one side face, facing the circle center of the upper half ring, of the guide post and the inner ring face of the upper half ring are located on the same arc-shaped face, and the guide groove surrounds the projection of the guide post on the upper surface of the lower half ring.
Furthermore, first threads are arranged on the inner annular surface of the upper half ring and one side surface of the guide post, which faces the circle center of the upper half ring, second threads are arranged on the inner annular surface of the lower half ring, when two bilaterally symmetrical connecting pieces are connected to form a holding unit, the first threads on the left and right opposite upper half rings and the first threads on the left and right opposite guide posts form an integral first internal thread, the second threads on the left and right opposite lower half rings form an integral second internal thread, and the screwing directions of the first internal threads and the second internal threads are opposite.
The utility model provides a concrete anchor subassembly uses foretell a keep ware for concrete anchor, this internal anchor rod that wears to be equipped with of keep ware, the anchor rod is the pipe body, the anchor rod overcoat be equipped with a plurality ofly with anchor rod fixed connection's control tube, have first external screw thread and the second external screw thread that is intercrossing state on the periphery wall of control tube, the second external screw thread cooperatees with the second internal thread that the unit was kept to the top in two adjacent keeping units, the first internal thread that the unit was kept to the below cooperatees in first external screw thread and two adjacent keeping units.
Further, the anchor rod corresponding to the connecting plate located at the lowest position in the plurality of connecting plates of the retainer body is sleeved with a limiting ring, the limiting ring is an annular body, a third internal thread is arranged on the inner annular surface 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 half ring of the upper holding unit and the upper surface of the upper half ring of the lower holding unit in the two adjacent holding units.
Through the technical scheme, the invention has the beneficial effects that:
compared with the prior art, the grouting anchor assembly can ensure that the anchor assembly smoothly enters the anchor hole and is stably and quickly connected in the anchor hole, and cannot slide out during grouting, so that sufficient anchoring force is ensured.
The anchor rod, the upper half ring, the lower half ring and the connecting plate can be kept on the axial line of the anchor hole, and after pouring, the anchor rod, the upper half ring, the lower half ring and the connecting plate are wrapped by concrete, so that the using effect cannot be influenced by the eccentricity of the anchor rod.
The anchor rod can transmit acting force and is also used for grouting, the retainer body is connected with the adjusting pipe and then forms a whole along the anchor rod, 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 second support rod penetrates into the soil body during grouting, so that the anchoring capability of the anchoring assembly is enhanced.
When the retaining unit supports the anchor rod, the connecting plate of the retaining unit deforms due to the bending section, which is equivalent to applying prestress to the anchoring assembly.
Drawings
FIG. 1 is a schematic structural view of a retainer body of the present invention;
FIG. 2 is a front view of the holding unit of the present invention;
FIG. 3 is a front view of the connector of the present invention;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of the anchor assembly of the present invention;
FIG. 7 is an enlarged view of section C of the present invention;
fig. 8 is a front view of the rock bolt of the present invention;
FIG. 9 is a view showing the connection of the retainer ring to the regulator tube in use of the present invention.
The reference numbers in the figures are: 1. an upper half ring; 2. a lower half ring; 3. a connecting plate; 4. a guide post; 5. a first stepped bore; 6. a first lug; 7. a first support bar; 8. a guide groove; 9. a second stepped bore; 10. a second lug; 11. a second support bar; 12. buckling the plate; 13. a first thread; 14. a second thread; 15. an anchor rod; 16. an adjusting tube; 17. a limit ring.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
it should be noted that directional terms used in the following description such as "front", "back", "left", "right", "up", "down", "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 9, a retainer for a concrete anchor comprises a retainer body, wherein the retainer body is formed by connecting more than two retaining units in sequence, two retaining units are connected in fig. 1, and each retaining unit comprises two connecting pieces which are symmetrical left and right;
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-circular rings, 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 on the same vertical plane, a first lug 6 is arranged on the outer ring surface of the upper semi-ring 1, each first lug 6 is hinged with a first supporting rod 7, one end of each first supporting rod 7 is hinged with the first lug 6, the other end is a free end, the outer diameter and the inner diameter of the lower semi-ring 2 are the same as those of the upper semi-ring 1, the lower semi-ring 2 is coaxially opposite to the upper semi-ring 1 from top to the bottom, 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 with the center of the lower semi-ring 2 which is recessed and the opening towards the center of the lower semi-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 semi-ring 2, the outer annular surface of the lower semi-ring 2 is provided with a second lug 10 corresponding to the first lug 6 up and down, the second lug 10 is hinged with a second support rod 11, one end of the second support rod 11 is hinged with the second lug 10, the other end is a free end, the length of the second support rod 11 is larger than that of the first support rod 7, the connecting plate 3 is an arc-shaped plate body with the arc length smaller than that of the lower semi-ring 2 and the upper semi-ring 1, the circle center of the connecting plate 3 and the circle centers of the upper semi-ring 1 and the lower semi-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 semi-ring 1 and the upper surface of the lower semi-ring 2, the front end and the rear end of the connecting plate 3 are respectively spaced from the front end and the rear end of the upper semi-ring 1, and the front end of the upper semi-ring 1 are close to the outer annular of the upper semi-ring 1, the connecting part of the lower end of the connecting plate 3 and the lower semi-ring 2 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-rings 1 of the two connecting pieces which are bilaterally symmetrical are contacted, the vertical surfaces of the lower semi-rings 2 of the two connecting pieces which are bilaterally symmetrical are contacted, the upper semi-rings 1 of the two connecting pieces which are bilaterally symmetrical can be detachably connected to form an upper circular ring, and the lower semi-rings 2 of the two connecting pieces which are bilaterally symmetrical can be detachably connected to form a lower circular ring;
when a plurality of holding units are connected in sequence, the guide post 4 of the holding unit positioned at the lower part in two adjacent holding units extends into the guide groove 8 of the holding unit positioned at the upper part, the inner wall of the guide groove 8 is contacted with the outer wall of the guide post, and the free end of the first supporting rod 7 of the holding unit positioned at the lower part is hinged at the middle part of the corresponding second supporting rod 11 on the holding unit positioned at the upper part.
The connecting plate 3 is divided into a plurality of connecting plates through bending sections, the bending direction of the bending sections of the connecting plate 3 is in bending towards the connecting line direction of the circle centers of the upper half ring 1 and the lower half ring 2, each bending section comprises a buckle plate 12 and an integrated structure formed by two upper and lower symmetrical inclined plates, the outer ends of the two upper and lower symmetrical inclined plates are respectively connected with the opposite ends of the two adjacent connecting plates, the inner ends of the two upper and lower symmetrical inclined plates are respectively inclined towards the connecting line direction of the circle centers of the upper half ring 1 and the lower half ring 2 and are respectively connected with the upper end surface and the lower end surface of the buckle plate 12, the arc-shaped protruding directions of the two upper and lower symmetrical inclined plates are in a relative state, the buckle plate 12 is an arc-shaped plate body, the inner diameter of a circle where the buckle plate 12 is located is smaller than the diameter of an inner ring of the upper half ring 1, the buckle plate 12 is coaxial with the upper half ring 1, and when the two left and right symmetrical connecting pieces are connected to form a maintaining unit, the buckle plates 12 of the two left and right opposite bending sections are in a relative 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.
The front part and the rear part of the upper half ring 1 are symmetrically provided with first step holes 5 which horizontally penetrate through the upper half ring 1, two ends of each first step hole 5 penetrate through the vertical surface and the outer ring surface of the upper half ring 1, the diameter of one end of each first step hole 5 which penetrates through the vertical surface is smaller than the diameter of one end of each first step hole which penetrates through the outer ring surface, first lugs 6 are staggered with the first step holes 5, the front part and the rear part of the lower half ring 2 are symmetrically provided with second step holes 9 which horizontally penetrate through the lower half ring 2, second lugs 10 are staggered with the second step holes 9, the first step holes 5 of the two upper half rings 1 which are bilaterally symmetrical are coaxially opposite, the second step holes 9 of the two lower half rings 2 which are bilaterally symmetrical are coaxially opposite, the two upper half rings 1 of the connecting piece which are bilaterally symmetrical are connected through first bolts which penetrate through the two coaxially opposite first step holes 5, and the two lower half rings 2 of the connecting piece which are bilaterally symmetrical are connected through second bolts which penetrate through the two coaxially opposite second step holes 9.
Every guide post 4, first bracing piece 7 and second bracing piece 11 on the connecting piece all have two, and two guide posts 4, two first bracing pieces 7, two second bracing pieces 11 on the connecting piece all are symmetrical state around.
One side face, facing the circle center of the upper half ring 1, of the guide column 4 and the inner ring face of the upper half ring 1 are on the same arc-shaped face, and the guide groove 8 surrounds the projection of the guide column 4 on the upper surface of the lower half ring 2.
A concrete anchor assembly uses the above retainer for a concrete anchor, an anchor rod 15 penetrates through 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 a buckling plate 12 is located, a plurality of adjusting tubes 16 fixedly connected with the anchor rod 15 are sleeved outside the anchor rod 15, the adjusting tubes 16 are arranged on the anchor rod 15 at intervals, the diameter of the outer peripheral wall of each adjusting tube 16 corresponds to the inner diameter of an upper half ring 1 and a lower half ring 2, first outer threads and second outer threads in a mutually crossed state are arranged on the outer peripheral wall of each adjusting tube 16, the second outer threads are matched with second inner threads of upper retaining units in two adjacent retaining units, and the first outer threads are matched with first inner threads of lower retaining units in two adjacent retaining units.
The length of first external screw thread and second external screw thread all is unanimous with the length of adjusting tube 16, the handedness of first external screw thread and second external screw thread is opposite, and first external screw thread intersects the periphery wall that separates adjusting tube 16 with the second external screw thread on the periphery wall of adjusting tube 16 and is the fish scale form.
The anchor rod 15 that is located the link plate of the below and corresponds in a plurality of link plates of holder body is overlapped and is equipped with spacing ring 17, spacing ring 17 is the tourus, is provided with the third internal thread on the interior anchor ring of spacing ring 17, the third internal thread cooperatees with first external screw thread.
The distance between 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 the adjusting pipe 16 is greater than the sum of the thicknesses of the upper half ring 1 and the lower half ring 2, and a distance 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, drilling an anchor hole by using a drill bit, then connecting a retaining unit outside an anchor rod 15, wherein when the retaining unit is connected, the lower surfaces of the upper half rings 1 of two bilaterally symmetrical connecting pieces of each retaining unit are aligned with the lower ends of upper adjusting pipes 16 in two adjacent adjusting pipes 16, the upper surface of the lower half ring 2 is aligned with the upper ends of lower adjusting pipes 16 in two adjacent adjusting pipes 16, the two connecting pieces are in opposite contact, first internal threads are matched with first external threads of the upper adjusting pipes 16 in two adjacent adjusting pipes 16, second internal threads are matched with second external threads of the lower adjusting pipes 16 in two adjacent adjusting pipes 16, the two bilaterally symmetrical upper half rings 1 and the two bilaterally symmetrical lower half rings 2 are respectively connected by using first bolts and second bolts, then the retaining unit is continuously connected above the connected retaining unit, a guide groove 8 of the lower half ring 2 of the upper retaining unit is buckled outside a guide column 4 of the lower retaining unit, the inner wall of the guide groove 8 is in contact with the outer surface of the guide column 4, the guide groove 8 forms a limiting component for limiting the two adjacent retaining units and the retaining unit can not form a limiting component for connecting the anchor rod body together with the retaining unit, and the retaining body.
When two connecting pieces of bilateral symmetry are connected and form a holding unit, both ends open-ended cylinder about the buckle 12 relative contact formation of two relative bending sections about, use ligature silk or ribbon to tie two relative buckle 12 together, can guarantee the straight in same direction as of tie plate, make a plurality of keepers length unanimous, conveniently keep keepers and adjusting tube 16 be connected, and make and keep keepers to connect behind the adjusting tube 16 action unanimous of every keeper when rotatory stock, can not cause the second bracing piece to be close to apart from inconsistent problem because keep keepers length different to the anchor eye inner wall.
When in use, because 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, the free ends of the first supporting rod 7 and the second supporting rod 11 which are hinged with each other are close to the outer annular surface of the lower half ring 2, namely the diameter of the circle where the free end of the second supporting rod 11 is located is smaller than that of the anchor hole, the anchor rod 15 can be conveniently extended into the anchor hole with the holder body, when the anchor assembly of the application is horizontally placed into the anchor hole, the upper end of the anchor assembly is extended into the inner end of the anchor hole, the lower end of the anchor assembly is extended out of the anchor hole, because the diameter of the circle where the free end of the second supporting rod 11 is located is larger than that of the circle where the first supporting rod 7 is located, the free end of the second supporting rod 11 is inclined towards the direction of the outer end of the anchor hole, the anchor rod 15 is not influenced to enter the anchor hole, the holder 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 have opposite rotating directions, the first internal thread and the second internal thread have opposite rotating directions, each connecting plate 3 is divided into a plurality of connecting plates through a bending section, when the anchor rod 15 is rotated, the upper half ring 1 and the lower half ring 2 of the same retaining unit are far away from each other, the upper half ring 1 of the lower retaining unit and the lower half ring 2 of the upper retaining unit in two adjacent retaining units are close to each other, the bending section on the connecting plate 3 deforms when the upper half ring 1 and the lower half ring 2 of the same retaining unit are far away from each other, the connecting plate 3 is made of a steel plate with the thickness of 0.5mm-2mm, the connecting part of the first supporting rod 7 and the second supporting rod 11 is close to the inner wall of the anchor hole, when the diameter of a circle where the free end of the second supporting rod 11 is 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, make the anchor subassembly be connected with the soil body, and manual rotation spacing ring 17, spacing ring 17 through third internal thread connection 16 upper portions of the regulating tube of below, withstand the up end of lower semi-ring 2, spacing ring 17 can prevent to keep the relative rotation of body and stock 15, after spacing ring 17 withstood lower semi-ring 2 promptly, connecting plate 3 will keep the deformation state, keep the body can not resume initial condition, to stock 15 interior slip casting, the thick liquid flows and fills in the anchor eye inner from stock 15 upper end, because second bracing piece 11 card is in the anchor eye, the anchor subassembly can not remove to the anchor eye outside because of slip casting pressure, be favorable to slip casting thick liquid fully to fill anchor eye inner.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of disclosure without departing from the spirit of the present invention.
Claims (10)
1. A retainer for a 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 half ring (1), a lower half ring (2) and a connecting plate (3), a guide post (4) is arranged on the upper surface of the upper half ring (1), a first lug (6) is arranged on the outer annular surface of the upper half ring (1), a first supporting rod (7) is hinged on the first lug (6), the lower half ring (2) is coaxially opposite to the upper half ring (1) in the vertical direction, a guide groove (8) is arranged on the inner annular surface of the lower half ring (2), a second lug (10) corresponding to the first lug (6) in the vertical direction is arranged on the outer annular surface of the lower half ring (2), a second supporting rod (11) is hinged on the second lug (10), the length of the second supporting rod (11) is greater 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 half ring (1) and the lower half ring (2), the front end and the rear end of the connecting plate (3) are respectively connected with the front end and rear end of the upper half ring (1) and the rear end of the lower half ring (2), the connecting plate (3) is symmetrically connected with the upper half ring (1) in the left and right, and the lower half ring (2) to form a detachable connecting piece, and the lower half ring (2) is symmetrically connected with the upper half ring (1);
when the plurality of holding units are connected in sequence, the guide column (4) of the holding unit positioned at the lower part in the two adjacent holding units extends into the guide groove (8) of the upper holding unit, and the free end of the first supporting rod (7) of the lower holding unit is hinged at the middle part of the corresponding second supporting rod (11) on the upper holding unit.
2. A retainer for a concrete anchor according to claim 1, wherein the connecting plate (3) is divided into a plurality of connecting plates by curved sections, the curved sections of the connecting plate (3) are curved in the direction of the line connecting the centers of the upper half ring (1) and the lower half ring (2), each curved section comprises an integral structure formed by a fastening 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 line connecting the centers of the upper half ring (1) and the lower half ring (2) and are respectively connected with the upper end surface and the lower end surface of the fastening plate (12), and when the two connecting members which are symmetrical left and right are connected to form a retaining unit, the fastening plates (12) of the two curved sections which are opposite left and right are in opposite contact with each other to form a cylinder body with openings at the upper end and the lower end.
3. A retainer for a concrete anchor according to claim 2, wherein said sloping plate is formed by bending an inclined sector annular plate body into an arc shape.
4. A holder for a concrete anchor according to claim 1, wherein the front and rear portions 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 portions of the lower half ring (2) are symmetrically provided with second stepped holes (9) horizontally penetrating the lower half ring (2), the upper half rings (1) of the two connecting members, which are bilaterally symmetrical, are connected via first bolts penetrating the coaxially opposite first stepped holes (5), and the lower half rings (2) of the two connecting members, which are bilaterally symmetrical, are connected via second bolts penetrating the coaxially opposite second stepped holes (9).
5. A holder for a concrete anchor according to claim 1, wherein there are two guide posts (4), first support rods (7) and second support rods (11) on each of said connecting members, and wherein there are two guide posts (4), two first support rods (7) and two second support rods (11) on the connecting members in a front-to-back symmetrical state.
6. A holder for a concrete anchor according to claim 1, characterized in that the 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).
7. A retainer for a concrete anchor according to claim 2, wherein the inner annular surface of the upper half ring (1) and the side surface of the guide post (4) facing the center of the upper half ring (1) are provided with first threads (13), the inner annular surface of the lower half ring (2) is provided with second threads (14), when two bilaterally symmetrical connecting pieces are connected to form a retaining unit, the first threads (13) on the left and right opposite upper half rings (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 rings (2) form an integral second internal thread, and the first internal thread and the second internal thread are opposite in rotation direction.
8. A concrete anchor assembly, use a holder for concrete anchor of claim 7, characterized in that, the holder body is worn to be equipped with stock (15), stock (15) are the pipe body, stock (15) overcoat is equipped with a plurality of and stock (15) fixed connection's control tube (16), has first external screw thread and second external screw thread that is intercrossing state on the periphery wall of control tube (16), and the second external screw thread cooperatees with the second internal thread of two adjacent holding unit middle and upper holding unit, and the first external screw thread cooperatees with the first internal thread of two adjacent holding unit middle and lower holding unit.
9. The concrete anchoring assembly according to claim 8, wherein a limiting ring (17) is sleeved on the anchor rod (15) corresponding to the connecting plate positioned at the lowest position in the plurality of connecting plates of the retainer body, the limiting ring (17) is a circular ring body, and a third internal thread is arranged on the inner annular surface of the limiting ring (17) and is matched with the first external thread.
10. A concrete anchoring assembly according to claim 8, wherein the lower half-ring (2) of the upper retaining unit of said two adjacent retaining units is spaced from the upper surface of the upper half-ring (1) of the lower retaining unit.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
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| CN115506345B CN115506345B (en) | 2023-10-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104674808A (en) * | 2015-02-28 | 2015-06-03 | 安徽理工大学 | Novel assembly type hollow grouting anchor bolt and construction method thereof |
| CN105862871A (en) * | 2016-03-31 | 2016-08-17 | 浙江大学宁波理工学院 | Prestressing anchor body assembly type frame hoop slope protection device and construction method |
| KR102221759B1 (en) * | 2020-10-14 | 2021-03-02 | 권석훈 | Ground and slope reinforcement anchor grouting device |
| CN214061605U (en) * | 2020-12-10 | 2021-08-27 | 武汉中科岩土工程有限责任公司 | Expansion shell type inner anchor head prestressed anchor rod |
| CN114508131A (en) * | 2022-02-11 | 2022-05-17 | 中冶华南建设工程有限公司 | Anti-floating anchor rod structure at soft soil and hard rock junction and construction method thereof |
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2022
- 2022-09-02 CN CN202211071389.XA patent/CN115506345B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104674808A (en) * | 2015-02-28 | 2015-06-03 | 安徽理工大学 | Novel assembly type hollow grouting anchor bolt and construction method thereof |
| CN105862871A (en) * | 2016-03-31 | 2016-08-17 | 浙江大学宁波理工学院 | Prestressing anchor body assembly type frame hoop slope protection device and construction method |
| KR102221759B1 (en) * | 2020-10-14 | 2021-03-02 | 권석훈 | Ground and slope reinforcement anchor grouting device |
| CN214061605U (en) * | 2020-12-10 | 2021-08-27 | 武汉中科岩土工程有限责任公司 | Expansion shell type inner anchor head prestressed anchor rod |
| CN114508131A (en) * | 2022-02-11 | 2022-05-17 | 中冶华南建设工程有限公司 | Anti-floating anchor rod structure at soft soil and hard rock junction and construction method thereof |
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| CN115506345B (en) | 2023-10-20 |
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