CN211257099U

CN211257099U - Grid type enlarged footing tool anchor

Info

Publication number: CN211257099U
Application number: CN201921560802.2U
Authority: CN
Inventors: 徐畅宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-14
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a grid formula enlarged footing instrument anchor, including the frame, install jack, vertical spout, level in the frame and enlarge the first subassembly to spout and grid, grid enlarged footing subassembly includes a plurality of parallel arrangement's grid strip, soft cable and pull rod, and grid strip below is provided with the support bracket, and the support bracket is fixed on the pull rod, is connected with soft cable, and the jack drives the pull rod pulling and holds the bracket and make the grid strip move between the level to spout and vertical spout. In this way, the utility model discloses grid formula enlarged footing instrument anchor for counter-force devices such as engineering static load test, after digging into, through the jack effect, make the grid strip expand for the horizontal direction by vertical direction, form the loading board of large tracts of land, provide great resistance to plucking counter-force, replace current static load test pile-load reaction method, adapt to various engineering environment, retrieve and use repeatedly, reduce a large amount of load transportation and hoist and mount, reduce the installation degree of difficulty, improve construction safety, the field work time has been practiced thrift, and the cost is saved.

Description

Grid type enlarged footing tool anchor

Technical Field

The utility model relates to a building field especially relates to a grid formula enlarged footing instrument anchor.

Background

When the vertical ultimate bearing capacity of a single pile is tested by a static load test, the bearing capacity of the existing pile foundation is found to be more surplus, and a large amount of available resources are invisibly wasted; the bearing capacity of some pile foundations can not meet the design requirement, and may be caused by the aspects of design or construction quality and the like. The foundation pile static load test must be provided the counter-force by reaction device, the reaction device among the foundation pile static load test process has anchor pile reaction device, ballast platform reaction device, anchor pile ballast combination reaction device, earth anchor reaction device etc. wherein anchor pile reaction device uses comparatively extensively, anchor pile reaction beam device is exactly that several anchor piles of geometric symmetry around the experimental pile are connected with the reaction frame with the anchor bar, rely on the jack of pile bolck with the reaction frame jack-up, provide the counter-force by the anchor pile who is connected. The existing tool anchor of the static load test device is generally disposable, can not be recycled, and has complex installation mode and high test cost.

Disclosure of Invention

The utility model provides a main technical problem who solves provides a grid formula enlarged footing instrument anchor for counter-force devices such as engineering static load test can provide great resistance to plucking counter-force, can replace current static load test pile load counter-force method, adapts to various complicated engineering environment, and can retrieve and use repeatedly, reduce the transportation and the hoist and mount of a large amount of loads, reduced the installation degree of difficulty, improve construction safety, practiced thrift on-the-spot operating time, save the cost.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a grid formula enlarged footing instrument anchor, includes the frame, install the jack in the frame, the lower extreme of frame is provided with vertical spout perpendicularly, vertical spout is inside to have hollow structure, be connected with the level with hollow structure intercommunication on the vertical spout to the spout, hollow structure internalization is equipped with grid enlarged footing subassembly, grid enlarged footing subassembly includes a plurality of parallel arrangement's grid strip, connect through soft cable between the grid to install the pull rod on the soft cable middle part, grid strip below is provided with the support bracket, the both ends of support bracket are fixed on the pull rod to be connected with soft cable, the jack drives the pull rod pulling support bracket and makes the grid strip move between level to spout and vertical spout.

In a preferred embodiment of the present invention, the connection portion between the horizontal sliding groove and the vertical sliding groove is a circular arc transitional connection.

In a preferred embodiment of the present invention, the number of the horizontal sliding grooves and the grid expanding head assemblies is one to several.

In a preferred embodiment of the present invention, the number of the horizontal sliding grooves and the grid expanding head assemblies is plural, and the horizontal sliding grooves are connected to the middle and upper ends of the vertical sliding grooves.

In a preferred embodiment of the present invention, the cross-section of the support bracket is cross-shaped.

In a preferred embodiment of the invention, the cross-section of the support bracket is rich, t, Π, psi, i, x, swastika or field.

The utility model has the advantages that: the utility model discloses grid formula enlarged footing instrument anchor for counter-force devices such as engineering static load test can provide great resistance to plucking counter-force, can replace current static load test pile-load counter-force method, adapts to various complicated engineering environment, and can retrieve and use repeatedly, reduces the transportation and the hoist and mount of a large amount of loads, has reduced the installation degree of difficulty, improves the construction security, has practiced thrift on-the-spot operating time, saves the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural view of a preferred embodiment of the grid type enlarged head tool anchor of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1;

FIG. 5 is a schematic view of a portion of the structure of FIG. 1;

FIG. 6 is a schematic view of a portion of the structure of FIG. 1;

the parts in the drawings are numbered as follows: 1. the device comprises a frame, 2, a jack, 3, a vertical sliding groove 31, a hollow structure, 4, a horizontal sliding groove, 5, a grid expansion head assembly, 51, grid strips, 52, a soft rope, 53, a pull rod, 6, a support bracket, 7 and a second jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, a grid type enlarged footing tool anchor comprises a frame 1, a jack 2 is installed in the frame 1, a vertical sliding groove 3 is vertically arranged at the lower end of the frame 1, a hollow structure 31 is arranged in the vertical sliding groove 3, the vertical sliding groove 3 is connected with a horizontal sliding groove 4 communicated with the hollow structure 31, a grid enlarged footing assembly 5 is movably arranged in the hollow structure 31, the grid enlarged footing assembly 5 comprises a plurality of grid strips 51 arranged in parallel, the grid strips 51 are connected through a soft cable 52, a pull rod 53 is installed in the middle of the soft cable 52, a bearing bracket 6 is correspondingly installed below the grid strips 51, two ends of the bearing bracket 6 are fixed on the pull rod 53 and connected with the soft cable 52, and the jack 2 drives the pull rod 53 to pull the bearing bracket 6 so that the grid strips 51 move between the horizontal sliding groove 4 and the vertical sliding groove 3.

In addition, the connecting part of the horizontal sliding chute 4 and the vertical sliding chute 3 is in circular arc transition connection.

In addition, the number of the horizontal sliding grooves 4 and the grid expanding head assemblies 5 is 2, and the horizontal sliding grooves 4 are connected to the middle and the upper ends of the vertical sliding grooves 3. The grid expansion head assembly 5 can increase the stress area in the soil layer and bear counter force.

The horizontal chutes 4 and the grille expansion head assemblies 5 can be used in an appropriate number according to the needs, and are not limited to 1 or 2 in the present application.

In addition, the cross section of the support bracket 6 is as shown in fig. 5 and 6, the support bracket 6 is installed in the frame 1, the support bracket 6 is a cross-shaped support bracket or is in a shape of ten, rich, t, Π, ψ, i, x, swastika, field and the like, the shape of the support bracket 6 is not limited to the above shape, and other structures for placing the grating strips 51 are also possible. The size of the support bracket 6 is 300-. The shape of the support bracket is not limited to the two configurations described above with reference to fig. 5 and 6.

The utility model discloses grid formula enlarged footing instrument anchor body theory of operation as follows: symmetrically driving the grid type enlarged head tool anchor along the periphery of the test pile, pulling the connecting rod to adjust the position of the grid enlarged head component to form an enlarged head counter-force anchor pile, and then installing a counter-force beam and a jack to apply pressure according to the requirements of the anchor pile method static load test to perform the test. And (5) after the test is finished, pulling out the tool anchor.

The utility model discloses grid formula enlarged footing instrument anchor has 1, uses the agility immediately, and during general stake was squeezed into, because the soil body received strong disturbance, the soil body of stake periphery produced super pore water pressure, reduced the frictional force between the soil body and the pile body, the theory of operation of this instrument anchor is that utilize the grid level of thinner section to the soil body of slowly static pressure cutting into, form the horizontal end bearing surface of great cross-section, can provide great counter-force; the novel content of the anchor is expressed by 2, the design is light, the structural surface is optimized, the anchor can be spliced and lengthened, and the weight of the anchor body is light; the novel content of the anchor rod shows 3, the variety of anchor anchoring equipment can be selected, and as the sectional area of an anchor body is small, the anchor anchoring resistance is small, various equipment such as a vibration hammer, a mechanical arm, a hydraulic hammer and the like with small power can be adopted, the anchor rod is easy to pull out, and the constructability is good; the novel content of the anchor driving device is represented by 4, multiple sets of equipment can be driven to the ground for construction simultaneously, the utilization rate of the anchor driving equipment is improved, and the field working time is saved.

Be different from prior art, the utility model discloses grid formula enlarged footing instrument anchor, a counterforce such as engineering static load test, can provide great resistance to plucking counter-force, can replace current static load test pile load reaction method, adapt to various complicated engineering environment, especially, be applicable to the interior experimental random sampling of deep basal pit and detect, and can retrieve and use repeatedly, reduce the transportation and the hoist and mount of a large amount of loads, the installation degree of difficulty has been reduced, the construction safety is improved, and can many sets of equipment simultaneous tests, the field work time has been practiced thrift, and the cost is saved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides a grid formula enlarged footing instrument anchor, a serial communication port, includes the frame, install the jack in the frame, the lower extreme of frame is provided with vertical spout perpendicularly, vertical spout inside has hollow structure, be connected with the level with hollow structure intercommunication on the vertical spout to the spout, hollow structure internalization is equipped with grid enlarged footing subassembly, grid enlarged footing subassembly includes a plurality of parallel arrangement's grid strip, connect through soft cable between the grid to install the pull rod on the soft cable middle part, grid strip below is provided with the support bracket, the both ends of support bracket are fixed on the pull rod to be connected with soft cable, the jack drives the pull rod pulling and holds the bracket and make the grid strip move between level to spout and vertical spout.

2. The grid type enlarged footing tool anchor of claim 1, wherein the connection portion between the horizontal sliding slot and the vertical sliding slot is a circular arc transition connection.

3. The grid type enlarged head tool anchor of claim 2, wherein the number of the horizontal chute and the grid enlarging head assembly is one to a plurality.

4. The grid type enlarged head tool anchor according to claim 3, wherein the number of the horizontal sliding grooves and the grid enlarged head assembly is plural, and the horizontal sliding grooves are connected to the middle or lower end of the vertical sliding grooves.

5. The grid type enlarged head tool anchor of claim 1, wherein the support bracket is cross-shaped in cross-section.

6. The grid type enlarged footing tool anchor of claim 1, wherein said support bracket has a cross-section in the shape of feng, yi, Π, ψ, yi, x, swastika or swastika.