CN116335126A - Prestressing force transfer device for anti-floating anchor - Google Patents

Abstract

The invention relates to a prestress transmission device for an anti-floating anchor rod, which comprises a lower connecting cylinder, an upper connecting cylinder, a top plate and a rotating member, wherein the upper connecting cylinder is sleeved in the lower connecting cylinder, N bolts which are arranged according to an annular array and used for locking the upper connecting cylinder are screwed on the cylinder wall of the lower connecting cylinder, the tail ends of the bolts are abutted with the outer side surface of the upper connecting cylinder, the top plate is arranged at the top of the upper connecting cylinder, the rotating member is rotatably arranged in the top plate and the upper connecting cylinder, four anchor rod perforation holes for installing the anti-floating anchor rod are formed in the rotating member, and an anchor rod locking mechanism for locking the anti-floating anchor rod is arranged on the rotating member. The beneficial effects are that: the prestress transmission device is convenient to install, convenient to adjust and replace the anti-floating anchor rod and good in stability of fixing the anti-floating anchor rod.

Description

A prestress transmission device for anti-floating anchor

technical field

The invention relates to the field of construction engineering, in particular to a prestress transmission device for an anti-floating anchor rod.

Background technique

When the self-weight and covering soil of the basement of the building cannot offset the buoyancy generated by the groundwater, the adverse effects caused by the buoyancy of the groundwater can be eliminated by setting a vertical anti-floating anchor rod to ensure the stability and safety of the basement. On the bottom plate of the building, the other end is anchored in the bearing layer of the foundation. The force-bearing process is firstly to transmit the uplift force to the grouting body through the action between the anchorage steel bar and the grouting body, and then through the grouting body and the grouting body. The friction force between the surrounding soil layers transmits the force on the grouting body to the surrounding stable soil, thereby forming an anti-floating anchor with a certain pull-out resistance, which plays the anti-floating effect of the anti-floating anchor. In addition to balancing the buoyancy of groundwater, the anti-floating anchor can also play a role in strengthening the foundation, thereby reducing foundation deformation and uneven settlement. However, in the current construction of anti-floating anchors, the stability of the prestress transmission device is poor. When the anti-floating anchors are inappropriate, the replacement is not convenient enough, thus affecting the overall construction convenience of the indoor floor.

Contents of the invention

The purpose of the present invention is to overcome the poor stability of the prestress transmission device existing in the prior art, and when the anti-floating anchor rod is inappropriate, the replacement is not convenient enough, thus affecting the convenience of the overall construction of the indoor floor, and to provide a Prestress transfer device for anti-floating anchor rod.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is realized through the following technical solutions:

A prestress transmission device for an anti-floating anchor rod, comprising a circular tube-shaped lower connecting cylinder, a circular tube-shaped upper connecting cylinder, a top plate with an outer square and an inner circle, and a circular rotating member. In the barrel, N bolts arranged in a circular array for locking the upper connecting barrel are screwed on the barrel wall of the lower connecting barrel, and the tail ends of the bolts abut against the outer surface of the upper connecting barrel, and the The top plate is installed on the top of the upper connecting cylinder, and the rotating member is rotatably installed in the top plate and the upper connecting cylinder. There are four anchor rod perforations for installing anti-floating anchor rods in the rotating member. Anchor locking mechanism for locking anti-floating anchors.

Further, the cylinder wall of the upper connecting cylinder is drilled with N rows of screw hole rows, and each row of screw hole rows includes a plurality of first screw holes evenly distributed on the same straight line, and the tail of each bolt can be It is screwed with any first screw hole in any row of screw hole queues.

Wherein, the outer top of the upper connecting cylinder is provided with an external thread, and the bottom center of the top plate is provided with a second screw hole, and the second screw hole and the external thread are screwed together so that the top plate is screwed to the top of the upper connecting cylinder.

Wherein, the rotating mechanism includes a circular rotating ring body, four C-shaped blocks, four support pipes, and one installation pipe, and the rotating ring body, C-shaped blocks, support pipes and installation pipes are integrally made, The C-shaped block is connected to the inner side of the rotating ring body, and a circular anchor rod perforation is formed between the C-shaped block and the rotating ring body. One end of the support tube is connected to the C-shaped block, and the other end of the support tube One end is connected to the bottom of the installation pipe and the adjacent support pipe, the rotating ring is coaxial with the installation pipe, the four C-shaped blocks and the four support pipes are arranged in a circular array with the installation pipe as the center, and the The support pipe is connected with the anchor rod perforation and the installation pipe; the junction of the four support pipes is provided with an inlet and outlet hole coaxial with the installation pipe.

Wherein, the anchor rod locking mechanism includes four cylindrical pressure blocks and an external gear, the pressure block is sleeved in the support tube, the top end of the external gear is fixedly connected with an external thread column, and the top of the installation tube There is a third screw hole on the top, the external thread column is screwed with the third screw hole after passing through the access hole from bottom to top, and the external gear passes through the access hole from bottom to top and enters the installation pipe and the support pipe; A rack is fixedly connected to one end of each of the pressing blocks facing the installation pipe, and the external gear is meshed with four racks at the same time.

Wherein, the racks on the two pressing blocks on the same straight line are on the same horizontal plane, and the racks on the two pressing blocks on the same straight line are symmetrically arranged centered on the outer gear.

Wherein, a ring of protruding rings is provided in the middle of the outer side of the rotating ring body, a ring of receiving grooves is provided on the inner side of the top of the upper connecting cylinder, and a ring of limiting flanges protruding horizontally inward is provided at the center of the top of the top plate. The protruding ring is rotatably installed between the limiting flange and the receiving groove.

The beneficial effects of the present invention are: the present invention benefits from the split design of the upper connecting cylinder and the lower connecting cylinder, which can effectively save space occupation during transportation, save the transportation cost of the construction site, and only need to be unfolded during use; It is connected with the top plate and the upper connecting cylinder by rotation. After the anti-floating anchor rod and the installation pipe are installed correspondingly, the anti-floating anchor rod can be rotated before concrete pouring, and the concrete pouring can be performed after rotating to the required position; when the anti-floating anchor rod is installed , the anti-floating anchor rod can be limited and fixed by the anchor rod locking mechanism, so as to ensure that the anti-floating anchor rod will not rise and fall during pouring, improve the stability during pouring, and the anti-floating anchor rod will not affect the displacement; the present invention The prestress transfer device is easy to install, easy to adjust and replace the anti-floating anchor rod, and has good stability in fixing the anti-floating anchor rod.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is the structural schematic diagram of the unfolded state of the prestress transmission device among the present invention;

Fig. 2 is a schematic structural view of the stored state of the prestress transmission device in the present invention;

Fig. 3 is a schematic structural view of the upper connecting cylinder in the present invention;

Fig. 4 is the structural representation of top plate among the present invention;

Fig. 5 is a structural schematic diagram of the anchor rod locking mechanism installed in the rotating mechanism in the present invention;

Fig. 6 is a structural schematic view of the first viewing angle of the rotating mechanism in the present invention;

Fig. 7 is a structural schematic diagram of the second viewing angle of the rotation mechanism in the present invention;

Fig. 8 is a structural schematic diagram of the anchor rod locking mechanism in the present invention;

Explanation of symbols in the figure: lower connecting cylinder 1, hollow hole 11, upper connecting cylinder 2, first screw hole 21, hollow hole 22, external thread 23, receiving groove 24, top plate 3, second screw hole 31, limit flange 32. Rotating member 4, rotating ring body 41, C-shaped block 42, support pipe 43, installation pipe 44, anchor rod perforation 45, access hole 46, protruding ring 47, third screw hole 48, anchor rod locking mechanism 5, Press block 51, external gear 52, external thread column 53, hexagonal head 54, rack 55, arc groove 56, bolt 6.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

As shown in Figures 1 to 8, a prestress transmission device for anti-floating anchor rods includes a circular tube-shaped lower connecting cylinder 1, a circular tube-shaped upper connecting cylinder 2, a top plate 3 with an outer square and an inner circle, a circular The rotating member 4 is provided with four anchor rod perforations for installing anti-floating anchor rods in the rotating member 4, and the anchor rod locking mechanism 5 for locking the anti-floating anchor rod is installed on the rotating member 4.

The upper connecting cylinder 2 is set in the lower connecting cylinder 1, and the wall of the lower connecting cylinder 1 is screwed with four bolts 6 arranged in a circular array for locking the upper connecting cylinder 2, and the tail ends of the bolts 6 are connected to the upper connecting cylinder. The outer surface of the cylinder 2 abuts.

In order to improve the stability of the connection between the upper connecting cylinder 2 and the lower connecting cylinder 1, four rows of screw holes are drilled on the wall of the upper connecting cylinder 2, and each row of screw hole rows includes a plurality of first screw holes evenly distributed on the same straight line. Holes 21, the tail of each bolt 6 can be screwed with any first screw hole 21 in any row of screw hole queues.

The wall of the lower connecting cylinder 1 is provided with four hollow holes 11, and the wall of the upper connecting cylinder 2 is provided with four hollow holes 22, so that concrete enters the anchor rod pouring hole through the hollow holes (11, 22) during pouring. middle.

The top plate 3 is installed on the top of the upper connecting cylinder 2. Specifically, the outer top of the upper connecting cylinder 2 is provided with an external thread 23, and the center of the bottom of the top plate 3 is provided with a second screw hole 31. The second screw hole 31 is in line with the external thread 23. The screwing makes the top plate 3 screwed on the top of the upper connecting cylinder 2 .

The rotating mechanism 4 includes a circular rotating ring body 41, four C-shaped blocks 42, four support pipes 43, and a mounting pipe 44. The rotating ring body 41, C-shaped blocks 42, supporting pipes 43 and mounting pipes 44 are integrated The C-shaped block 42 is connected to the inner side of the rotating ring body 41, and a circular anchor rod perforation 45 is formed between the C-shaped block 42 and the rotating ring body 41. One end of the support tube 43 is connected to the C-shaped block 42, and the support tube The other end of 43 is connected with the bottom of the installation pipe 44 and the adjacent support pipe 43, the rotating ring body 41 is coaxial with the installation pipe 44, and the four C-shaped blocks 42 and the four support pipes 43 are all centered on the installation pipe 44 according to the ring shape. Arranged in an array, and the support pipes 43 communicate with the anchor rod through holes 45 and the installation pipe 44; the junction of the four support pipes 43 is provided with an inlet and outlet hole 46 coaxial with the installation pipe 44.

The rotating member 4 is rotatably installed in the top plate 3 and the upper connecting cylinder 2. Specifically, a ring of protruding rings 47 is provided on the outer middle of the rotating ring body 41, and a circle of receiving grooves 24 is provided on the inner side of the top of the upper connecting cylinder 2. The top of the top plate 3 In the center there is a circle of limiting flanges 32 protruding horizontally inwards, and the protruding ring 47 is rotatably installed between the limiting flanges 32 and the receiving groove 24 .

The bolt locking mechanism 5 comprises four cylindrical briquetting blocks 51 and an external gear 52, the briquetting block 51 is sleeved in the support tube 43, the top of the external gear 52 is fixedly connected with an externally threaded column 53, and the top of the externally threaded column 53 There is a hexagonal head 54 for screwing the externally threaded column 53, the top of the installation pipe 44 is provided with a third screw hole 48, and the externally threaded column 53 passes through the access hole 46 from bottom to top and is screwed with the third screw hole 48, The external gear 52 enters the installation tube 44 and the support tube 43 through the access hole 46 from bottom to top.

Each briquetting block 51 is affixed to one end of the mounting pipe 44 with a toothed rack 55, and the external gear 52 meshes with four toothed racks 55 at the same time; the racks 55 on the two briquetting blocks 51 on the same straight line are at the same level , and the racks 55 on the two pressure blocks 51 located on the same straight line are symmetrically arranged with the outer gear 52 as the center.

The end of the pressure block 51 facing the anchor rod through hole 45 is provided with an arc-shaped groove 56 , and the surface of the arc-shaped groove 56 is provided with grid-shaped anti-skid lines.

During storage and transportation, the upper connecting cylinder is placed in the lower connecting cylinder, and the bottom end of the upper connecting cylinder is aligned with the bottom end of the lower connecting cylinder, which can effectively save the storage and transportation space and save the transportation cost on the construction site. The tail end of the screw abuts against the outside of the upper connecting cylinder to lock the upper connecting cylinder in the lower connecting cylinder, so as to prevent the upper connecting cylinder from being separated from the lower connecting cylinder during transportation.

When in use, according to the installation requirements on the ground, after stretching the upper connecting cylinder and the lower connecting cylinder to the required length, turn the bolt so that the bolt tail is screwed into the first screw hole at the corresponding position, and then the prestress transmission device Installed in the ground as a whole, so that the top plate is flush with the ground, the upper connecting cylinder and the lower connecting cylinder extend into the ground, and then the anti-floating anchor is inserted into the anchor hole, and the anti-floating anchor passes through the anchor hole and enters the upper connecting cylinder, In the lower connecting tube, after the anti-floating anchor rod and the installation pipe are installed correspondingly, it can be adjusted in time according to the installation position of the anti-floating anchor rod. Since the rotating member, the top plate and the upper connecting tube are connected by rotation, the anti-floating anchor The rod and rotating member can be rotated before concrete pouring, and the concrete pouring can be carried out after turning to the desired position.

In addition, when the anti-floating anchor is installed, the anti-floating anchor is limited and fixed by the anchor locking mechanism to ensure that the anti-floating anchor will not rise and fall during pouring, improve the stability of the pouring, and the anti-floating anchor Displacement is not affected. The operation method is to turn the hexagonal head, so that the external gear rotates to drive the rack and the pressure block to move towards the direction of the anchor rod piercing until the pressure block cooperates with the rotating ring to clamp the anti-floating anchor rod.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention.

Claims (10)

1. The utility model provides a prestressing force transmission device for anti-floating anchor which characterized in that: the anti-floating anchor rod locking device comprises a lower connecting cylinder in a circular tube shape, an upper connecting cylinder in a circular tube shape, a top plate in an outer square and an inner circular shape and a circular rotating member, wherein the upper connecting cylinder is sleeved in the lower connecting cylinder, N bolts which are arranged according to an annular array and used for locking the upper connecting cylinder are connected to the cylinder wall of the lower connecting cylinder in a threaded manner, the tail ends of the bolts are abutted to the outer side surface of the upper connecting cylinder, the top plate is arranged at the top of the upper connecting cylinder, the rotating member is rotatably arranged in the top plate and the upper connecting cylinder, four anchor rod perforation holes for installing an anti-floating anchor rod are formed in the rotating member, and an anchor rod locking mechanism for locking the anti-floating anchor rod is arranged on the rotating member.

2. The prestressing force transfer arrangement according to claim l, characterized in: the cylinder wall of the lower connecting cylinder and the cylinder wall of the upper connecting cylinder are respectively provided with a plurality of hollowed-out holes.

3. The prestressing force transfer arrangement of claim 1, wherein: n rows of screw hole queues are drilled on the wall of the upper connecting cylinder, each row of screw hole queues comprises a plurality of first screw holes which are uniformly distributed on the same straight line, and the tail of each bolt can be screwed with any one of the first screw holes in any row of screw hole queues.

4. The prestressing force transfer arrangement of claim 1, wherein: the top outside of last connecting cylinder is equipped with the external screw thread, the bottom center of roof is equipped with the second screw, the second screw is with external screw thread looks spiro union make roof spiro union last connecting cylinder top.

5. The prestressing force transfer arrangement of claim 1, wherein: the rotating mechanism comprises a circular rotating ring body, four C-shaped blocks, four supporting pipes and a mounting pipe, wherein the rotating ring body, the C-shaped blocks, the supporting pipes and the mounting pipe are integrally manufactured, the C-shaped blocks are connected with the inner side of the rotating ring body, circular anchor rod perforation is formed between the C-shaped blocks and the rotating ring body, one end of each supporting pipe is connected with the C-shaped blocks, the other end of each supporting pipe is connected with the bottom of the mounting pipe and the adjacent supporting pipe, the rotating ring body is coaxial with the mounting pipe, the four C-shaped blocks and the four supporting pipes are distributed in an annular array by taking the mounting pipe as the center, and the supporting pipes are communicated with the anchor rod perforation and the mounting pipe; and the junctions of the four supporting pipes are provided with inlet and outlet holes coaxial with the mounting pipes.

6. The prestressing force transfer arrangement of claim 5, wherein: the anchor rod locking mechanism comprises four cylindrical pressing blocks and an external gear, wherein the pressing blocks are sleeved in the supporting pipe, the top end of the external gear is fixedly connected with an external thread column, a third screw hole is formed in the top of the installation pipe, the external thread column passes through the access hole from bottom to top and then is screwed with the third screw hole, and the external gear passes through the access hole from bottom to top and enters the installation pipe and the supporting pipe; each pressing block is fixedly connected with one rack towards one end of the installation tube, and the external gear is meshed with the four racks simultaneously.

7. The prestressing force transfer arrangement of claim 6, wherein: the racks on the two pressing blocks positioned on the same straight line are positioned on the same horizontal plane, and the racks on the two pressing blocks positioned on the same straight line are arranged in a central symmetry way by taking the external gear as the center.

8. The prestressing force transfer arrangement of claim 6, wherein: the briquetting is equipped with the arc recess towards the one end of stock perforation, the surface of arc recess is provided with the anti-skidding line of net shape.

9. The prestressing force transfer arrangement of claim 6, wherein: the top of the external thread column is provided with a hexagon head for screwing the external thread column.

10. The prestressing force transfer arrangement of claim 6, wherein: the middle part in the outside of rotatory ring body is equipped with round bulge loop, the top inboard of going up the connecting cylinder is equipped with round holding tank, the top center of roof is equipped with round horizontal inwards outstanding limit flange, the bulge loop is rotated and is installed between limit flange and holding tank.

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