CN212641531U

CN212641531U - High hammer for strain detection of foundation pile

Info

Publication number: CN212641531U
Application number: CN202020296691.5U
Authority: CN
Inventors: 陈仕坤
Original assignee: Guangdong Huihe Engineering Testing Co ltd
Current assignee: Guangdong Huihe Engineering Testing Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2021-03-02
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a high hammer for strain detection of foundation pile, including end hammer, shock insulation rubber pad, locating lever, fixed orifices, embedded groove, counter weight hammer, equipment lug, locating hole, embedding lug, gland nut, dead lever, rings, nut hole and fixation nut. The utility model has the advantages that: the counter weight hammer quantity on the end hammer can be freely selected as required, different quantities of counter weight hammers can be installed according to the difference of the limit bearing capacity of the foundation pile, corresponding counter weights do not need to be manufactured aiming at different foundation pile limit bearing capacities, the detection cost is greatly saved, the detection efficiency is improved, four positioning holes in the counter weight hammers are sleeved on positioning rods at the upper ends of the end hammers, a good positioning effect can be achieved for the counter weight hammers when the counter weight hammers are installed, manual righting is not needed, the size and the shape of the embedded grooves are matched with the embedded lugs, the end hammers, the counter weight hammers and the counter weight hammers are meshed with each other and are more compact, and relative sliding cannot occur when impact occurs.

Description

High hammer for strain detection of foundation pile

Technical Field

The utility model relates to a foundation pile detects uses the hammer, specifically is a foundation pile height is met an emergency and is detected and use hammer belongs to building detection area.

Background

Along with the development of national economy, the engineering construction in China is also rapidly developed, along with the higher and higher requirements on the quality of the construction, the requirements on foundation foundations are continuously increased, the use of pile foundations is gradually generalized and complicated, the foundation pile high-strain detection is widely applied as a mature foundation pile detection technology at present, the foundation pile high-strain detection is to use a heavy hammer to impact a pile top, the speed and force time-course curve of the pile top are measured, through fluctuation theory analysis, a detection method for judging the bearing capacity of a single pile and the integrity of a pile body is carried out, in the existing equipment, the high-strain hammer is a cast and formed integrated hammer, but because the ultimate bearing capacity of foundation piles is different, heavy hammers with different qualities are needed, foundation piles with one-step cast and formed heavy hammers which can only detect certain ultimate bearing capacity are adopted, heavy hammers with different qualities are needed to be manufactured for foundation piles with different ultimate bearing capacities, the very inconvenient, although some combination formula weight that can change the quality have appeared, the trouble very much when the equipment, need operating personnel to hold up with the hand, slide easily during the equipment, take place safety hazard, current weight lacks certain safeguard measure moreover, produces the destruction to the pile head easily during the hammering.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a hammer for detecting high strain of foundation pile in order to solve the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a hammer for foundation pile high strain detection comprises a bottom hammer, a shock insulation rubber pad, a positioning rod, a fixing hole, an embedded groove, a counterweight hammer, an assembling lifting lug, a positioning hole, an embedded lug, a compression nut, a fixing rod, a lifting ring, a nut hole and a fixing nut; the bottom of the bottom hammer is fixedly provided with a shock insulation rubber pad, the interior of the shock insulation rubber pad is filled with nylon fabric and steel wires, four corners of the upper end of the bottom hammer are fixedly provided with positioning rods, the surface of each positioning rod is provided with threads, the middle part of the bottom hammer is provided with a fixing hole, the upper end of the bottom hammer is provided with an inwards concave embedded groove, the counterweight hammers are arranged on the upper parts of the bottom hammers, the number of the counterweight hammers on the bottom hammers can be freely selected according to needs, two symmetrical assembling lifting lugs are fixed on two side surfaces of the counterweight hammers, positioning holes are arranged at the four corners of the counterweight hammers, four positioning holes on the counterweight hammers are sleeved on the positioning rods at the upper ends of the bottom hammers, embedded lugs are fixed at the lower ends of the counterweight hammers, the inwards concave embedded grooves are also arranged at the upper ends of the counterweight hammers, the size and the shape of the embedded, the middle part of counter weight hammer also is provided with the fixed orifices, all be provided with on the locating hole inner wall on end hammer and the counter weight hammer with dead lever assorted screw thread, the upper end of dead lever is fixed with rings, the bottom of end hammer and shock insulation rubber pad is provided with the nut hole, the dead lever surface is provided with the screw thread, the dead lever is installed on the fixed orifices on end hammer and counter weight hammer, fixation nut is installed to the bottom of dead lever, fixation nut is located the nut hole of indent.

Further, in order to add different numbers of counter weights according to different ultimate bearing capacities of the foundation pile, the number of the counter weights on the bottom hammer can be freely selected according to requirements.

Furthermore, in order to achieve a good positioning effect on the counterweight hammer when the counterweight hammer is installed, four positioning holes in the counterweight hammer are sleeved on the positioning rods at the upper end of the bottom hammer.

Further, in order to enable the bottom hammer and the counterweight hammer to be meshed with each other more tightly, the size and the shape of the embedded groove are matched with those of the embedded lug.

Furthermore, in order to enable the tensile force borne by the fixing rod to be more uniformly dispersed, threads matched with the fixing rod are arranged on the inner walls of the positioning holes in the bottom hammer and the counterweight hammer.

Furthermore, in order to ensure the flatness of the lower end surface of the bottom hammer, the fixing nut is positioned in the concave nut hole.

Furthermore, in order to conveniently hoist the counterweight hammer, two symmetrical assembling lifting lugs are fixed on two side surfaces of the counterweight hammer.

Furthermore, in order to effectively avoid the damage of impact force generated by free falling of the heavy hammer to the pile head of the detected pile, nylon fabrics and steel wires are filled in the shock insulation rubber pad.

The utility model has the advantages that: the hammer for detecting the high strain of the foundation pile is compact in structure connection, simple to use and reasonable in design, the number of the counter weights on the bottom hammer can be freely selected as required, different numbers of counter weights can be additionally arranged according to different limit bearing capacities of the foundation pile, corresponding counter weights do not need to be manufactured according to different limit bearing capacities of the foundation pile, the detection cost is greatly saved, the detection efficiency is improved, four positioning holes in the counter weights are sleeved on positioning rods at the upper ends of the bottom hammers, the counter weights can be well positioned when being installed, manual righting is not needed, the size and the shape of the embedded grooves are matched with the embedded lugs, the bottom hammers, the counter weights and the counter weights are meshed with each other more tightly, relative sliding cannot occur during impact, threads matched with the fixing rods are arranged on the inner walls of the positioning holes in the bottom hammers and the counter weights, and the pulling force borne by the fixing rods is more uniformly dispersed, let more firm of dead lever installation, fixation nut is located the nut hole of indent, and fixation nut can not bulge the lower terminal surface of end hammer like this, guarantees the roughness of the lower terminal surface of end hammer, is fixed with two equipment lugs of symmetry on two sides of weight hammer, conveniently hoists the weight hammer, and the inside packing of shock insulation rubber pad has nylon fabric and steel wire, can effectually avoid the impact force that weight free fall produced to the destruction of receiving the inspection stake pile head.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the bottom hammer of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

in the figure: 1. the device comprises a bottom hammer, 2, a vibration isolating rubber pad, 3, a positioning rod, 4, a fixing hole, 5, an embedded groove, 6, a counterweight hammer, 7, an assembling lifting lug, 8, a positioning hole, 9, an embedded lug, 10, a compression nut, 11, a fixing rod, 12, a lifting ring, 13, a nut hole, 14 and a fixing nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a hammer for foundation pile high strain detection comprises a bottom hammer 1, a vibration isolating rubber pad 2, a positioning rod 3, a fixing hole 4, an embedded groove 5, a counterweight hammer 6, an assembling lifting lug 7, a positioning hole 8, an embedded lug 9, a compression nut 10, a fixing rod 11, a lifting ring 12, a nut hole 13 and a fixing nut 14; the bottom of the bottom hammer 1 is fixedly provided with a shock insulation rubber pad 2, the interior of the shock insulation rubber pad 2 is filled with nylon fabric and steel wires, four corners of the upper end of the bottom hammer 1 are fixedly provided with positioning rods 3, the surface of each positioning rod 3 is provided with threads, the middle part of the bottom hammer 1 is provided with a fixing hole 4, the upper end of the bottom hammer 1 is provided with an inward-concave embedded groove 5, the counter weights 6 are arranged at the upper part of the bottom hammer 1, the number of the counter weights 6 on the bottom hammer 1 can be freely selected according to requirements, two symmetrical assembling lugs 7 are fixed on two side surfaces of each counter weight 6, four corners of each counter weight 6 are provided with positioning holes 8, four positioning holes 8 on each counter weight 6 are sleeved on the positioning rods 3 at the upper end of the bottom hammer 1, the lower end of each counter weight 6 is fixedly provided with an embedded lug 9, and the upper end of each counter, the size and shape of embedded groove 5 and embedding lug 9 phase-match, gland nut 10 is installed in the upper end of locating lever 3, the middle part of counter weight hammer 6 also is provided with fixed orifices 4, all be provided with on the locating hole 8 inner wall on end hammer 1 and the counter weight hammer 6 with dead lever 11 assorted screw thread, the upper end of dead lever 11 is fixed with rings 12, the bottom of end hammer 1 and shock insulation rubber pad 2 is provided with nut hole 13, dead lever 11 surface is provided with the screw thread, dead lever 11 is installed on fixed orifices 4 on end hammer 1 and counter weight hammer 6, fixation nut 14 is installed to the bottom of dead lever 11, fixation nut 14 is located the nut hole 13 of indent.

As the utility model discloses a technical optimization scheme: the number of the counter weights 6 on the bottom hammer 1 can be freely selected according to requirements; four positioning holes 8 on the counterweight hammer 6 are sleeved on the positioning rod 3 at the upper end of the bottom hammer 1; the size and shape of the embedded groove 5 are matched with those of the embedded lug 9; the inner walls of the positioning holes 8 on the bottom hammer 1 and the counterweight hammer 6 are provided with threads matched with the fixed rod 11; the fixing nut 14 is positioned in the concave nut hole 13; two symmetrical assembling lifting lugs 7 are fixed on two side surfaces of the counterweight hammer 6; the inside of the shock insulation rubber pad 2 is filled with nylon fabric and steel wires.

The utility model discloses when using, at first select the counter weight hammer that corresponds quantity according to the difference of the limit bearing capacity of foundation pile, then the equipment lug through counter weight hammer both ends is installed the counter weight hammer, lets the locating hole cover on the locating lever, lets embedded groove and embedding lug meshing inseparable, installs four gland nut tight again, then installs the dead lever on the fixed orifices of end hammer and counter weight hammer, installs fixation nut on the dead lever of lower extreme and can carry out normal use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high hammer for strain detection of foundation pile is characterized in that: the device comprises a bottom hammer (1), a shock insulation rubber pad (2), a positioning rod (3), a fixing hole (4), an embedded groove (5), a counterweight hammer (6), an assembling lifting lug (7), a positioning hole (8), an embedded lug (9), a compression nut (10), a fixing rod (11), a lifting ring (12), a nut hole (13) and a fixing nut (14); the bottom of the bottom hammer (1) is fixed with a shock insulation rubber pad (2), the four corners of the upper end of the bottom hammer (1) are fixed with positioning rods (3), the surface of each positioning rod (3) is provided with threads, the middle of the bottom hammer (1) is provided with a fixing hole (4), the upper end of the bottom hammer (1) is provided with an inwards concave embedded groove (5), the counterweight hammer (6) is installed on the upper portion of the bottom hammer (1), an assembling lifting lug (7) is fixed on the counterweight hammer (6), the four corners of the counterweight hammer (6) are provided with positioning holes (8), the lower end of the counterweight hammer (6) is fixed with an embedded lug (9), the upper end of the counterweight hammer (6) is also provided with an inwards concave embedded groove (5), a compression nut (10) is installed on the upper end of each positioning rod (3), the middle of the counterweight hammer (6) is also provided with a fixing hole (4), the upper end of dead lever (11) is fixed with rings (12), the bottom of end hammer (1) and shock insulation rubber pad (2) is provided with nut hole (13), dead lever (11) surface is provided with the screw thread, install on fixed orifices (4) on end hammer (1) and counter weight hammer (6) dead lever (11), fixation nut (14) are installed to the bottom of dead lever (11).

2. The hammer for foundation pile high strain detection according to claim 1, wherein: the number of the counter weight hammers (6) on the bottom hammer (1) can be freely selected according to requirements.

3. The hammer for foundation pile high strain detection according to claim 1, wherein: four positioning holes (8) on the counterweight hammer (6) are sleeved on the positioning rod (3) at the upper end of the bottom hammer (1).

4. The hammer for foundation pile high strain detection according to claim 1, wherein: the size and shape of the embedded groove (5) are matched with those of the embedded lug (9).

5. The hammer for foundation pile high strain detection according to claim 1, wherein: and the inner walls of the positioning holes (8) on the bottom hammer (1) and the counterweight hammer (6) are provided with threads matched with the fixing rod (11).

6. The hammer for foundation pile high strain detection according to claim 1, wherein: the fixing nut (14) is positioned in the concave nut hole (13).

7. The hammer for foundation pile high strain detection according to claim 1, wherein: two symmetrical assembling lifting lugs (7) are fixed on two side surfaces of the counterweight hammer (6).