CN216007067U

CN216007067U - Drop hammer height adjusting device for pile foundation high strain detection

Info

Publication number: CN216007067U
Application number: CN202122072224.1U
Authority: CN
Inventors: 刘永强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a drop hammer height adjusting device for pile foundation high strain detection, including the carriage, the top symmetry fixedly connected with two stands of carriage, the surface of stand is provided with the scale strip, the top of two stands is fixedly connected with back timber jointly, the bottom fixedly connected with electric block of back timber, the steel cable tip fixedly connected with fly leaf of electric block, be provided with fixture on the fly leaf; the utility model discloses when using, start electric block and drive the drop hammer and rise, through observing the height of scale strip on the stand in order to confirm the drop hammer, reach suitable high back when the drop hammer to start electronic jar and promote the connecting rod, can utilize two first jack catchs of intermeshing drive of first gear and second jack catch to remove simultaneously, in order to break away from the lewis hole, thereby realize the release to the drop hammer, easy operation is swift, and is convenient for control the height of drop hammer, excellent in use effect.

Description

Drop hammer height adjusting device for pile foundation high strain detection

Technical Field

The utility model relates to a drop hammer height adjusting device specifically is a drop hammer height adjusting device that is used for high strain detection of pile foundation.

Background

The high strain detection is a detection method for judging the vertical compression bearing capacity and the integrity of a pile body of a single pile, a heavy hammer is used for impacting the pile top in an experiment, the speed and force time-course curve of the pile top are measured in an actual mode, and the speed and force time-course curve is analyzed through a fluctuation theory.

At present high detection of meeting an emergency in-process, the hammer that falls lifts by crane or excavator etc. mostly, is not convenient for adjust the height, and when the release hammer that falls, needs the handheld instruments such as stock of workman to strike the hoist, has great potential safety hazard, remains to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drop hammer height adjusting device for high strain detection of pile foundation to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a drop hammer height adjustment device for high strain detection of pile foundation, includes the carriage, two stands of top symmetry fixedly connected with of carriage, the surface of stand is provided with the scale strip, two the common fixedly connected with back timber in top of stand, the bottom fixedly connected with electric block of back timber, electric block's steel cable tip fixedly connected with fly leaf, be provided with fixture on the fly leaf, the below of fly leaf is provided with the drop hammer, the top fixedly connected with of drop hammer hangs the piece, the outer wall symmetry of hanging the piece runs through and is provided with two lewis holes, two hang hole and fixture looks adaptation.

As a further aspect of the present invention: fixture includes two pivots, two the pivot runs through the outer wall of fly leaf, two the pivot all rotates with the fly leaf to be connected, one the equal fixedly connected with first gear in both ends of pivot, the first jack catch of outer wall fixedly connected with of first gear, another the equal fixedly connected with second gear in both ends of pivot, the outer wall fixedly connected with second jack catch of second gear, the one end of first jack catch and second jack catch all passes corresponding lewis hole, two first gear all with the second gear intermeshing that corresponds.

As a further aspect of the present invention: one the outer wall fixedly connected with connecting rod of first gear, the outer wall of fly leaf articulates there is electronic jar, the push rod end of electronic jar is articulated with the outer wall of connecting rod.

As a further aspect of the present invention: two the relative outer wall symmetry fixedly connected with guide rail of stand, the guide rail is the I-shaped, the outer wall slip of guide rail has cup jointed the spout, two the spout respectively with the both ends fixed connection of fly leaf.

As a further aspect of the present invention: the two ends of the drop hammer are positioned on the two sides of the guide rail and are respectively and rotatably connected with guide wheels, and the guide wheels are positioned on the inner sides of the corresponding guide rails.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when using, place the carriage in the outside of pile foundation, make the pile foundation be located the carriage after, start electric block, it rises to drive the drop hammer through the fixture on the fly leaf, and through the height of observing the scale strip on the stand in order to confirm the drop hammer, reach suitable high back when the drop hammer, close electric block, and start electric cylinder and promote the connecting rod, two first jack catchs of intermeshing drive that can utilize first gear and second gear move simultaneously with the second jack catch, in order to break away from the lewis hole, thereby realize the release to the drop hammer, easy operation is swift, and be convenient for control the height of drop hammer, excellent in use effect.

2. The utility model discloses in, through the cooperation of guide pulley and guide rail, can play good guide effect to the drop hammer to take place the skew when avoiding the drop hammer whereabouts, with the top of accurate hitting the pile foundation, through the cooperation of spout and guide rail, can play good guide effect to the fly leaf, thereby improve the stability that the fly leaf goes up and down, and effectively avoid the fly leaf to take place to rotate, thereby after the release drop hammer, when lifting by crane the drop hammer, be convenient for insert first jack catch and second jack catch in the lewis hole that corresponds.

Drawings

Fig. 1 is a schematic structural diagram of a drop hammer height adjusting device for pile foundation high strain detection.

Fig. 2 is a schematic structural diagram of a lifting hole in a drop hammer height adjusting device for pile foundation high strain detection.

Fig. 3 is a schematic structural diagram of a chute in a drop hammer height adjusting device for detecting high strain of a pile foundation.

Fig. 4 is a schematic structural diagram of a guide wheel in a drop hammer height adjusting device for pile foundation high strain detection.

The lifting device comprises a supporting frame 1, an upright post 2, a top beam 3, an electric hoist 4, a movable plate 5, a rotating shaft 6, a first gear 7, a first jaw 8, a second gear 9, a second jaw 10, a connecting rod 11, an electric cylinder 12, a drop hammer 13, a lifting block 14, a lifting hole 15, a guide rail 16, a sliding groove 17 and a guide wheel 18.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, will combine the embodiment below, it is right to the utility model discloses go on further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Please refer to fig. 1-4, in the embodiment of the present invention, a drop hammer height adjusting device for pile foundation high strain detection, including the carriage 1, two stands 2 of top symmetry fixedly connected with of carriage 1, the surface of stand 2 is provided with the scale bar, two the common fixedly connected with back timber 3 in top of stand 2, the bottom fixedly connected with electric block 4 of back timber 3, electric block 4's steel cable tip fixedly connected with fly leaf 5, be provided with fixture on the fly leaf 5, the below of fly leaf 5 is provided with drop hammer 13, the top fixedly connected with hanging block 14 of drop hammer 13, the outer wall symmetry of hanging block 14 runs through and is provided with two lewis holes 15, two lewis holes 15 and fixture looks adaptation.

Fixture includes two pivots 6, two pivot 6 runs through the outer wall of fly leaf 5, two pivot 6 all rotates with fly leaf 5 to be connected, one the equal fixedly connected with first gear 7 in both ends of pivot 6, the first jack catch 8 of the outer wall fixedly connected with of first gear 7, another the equal fixedly connected with second gear 9 in both ends of pivot 6, the outer wall fixedly connected with second jack catch 10 of second gear 9, corresponding lewis hole 15, two are all passed to the one end of first jack catch 8 and second jack catch 10 first gear 7 all with the second gear 9 intermeshing that corresponds.

The outer wall of one first gear 7 is fixedly connected with a connecting rod 11, the outer wall of the movable plate 5 is hinged with an electric cylinder 12, and the push rod end of the electric cylinder 12 is hinged with the outer wall of the connecting rod 11.

By activating the electric cylinder 12 to push the connecting rod 11, the mutual engagement of the first gear 7 and the second gear 9 can be used for driving the two first jaws 8 and the second jaws 10 to move simultaneously so as to be separated from the hanging hole 15, thereby realizing the release of the drop hammer 13.

Two the relative outer wall symmetry fixedly connected with guide rail 16 of stand 2, guide rail 16 is the I-shaped, the outer wall slip of guide rail 16 has cup jointed spout 17, two spout 17 respectively with the both ends fixed connection of fly leaf 5.

Through the cooperation of the sliding groove 17 and the guide rail 16, the movable plate 5 can be well guided, so that the lifting stability of the movable plate 5 is improved, and the movable plate 5 is effectively prevented from rotating.

Guide wheels 18 are rotatably connected to both ends of the drop hammer 13, which are located on both sides of the guide rail 16, and the guide wheels 18 are located on the inner side of the corresponding guide rail 16.

Through the cooperation of guide pulley 18 and guide rail 16, can play good guide effect to drop hammer 13 to avoid the skew to take place when the drop hammer falls, with the top of accurate hitting pile foundation.

One of the upright columns 2 is provided with a switch, and the electric hoist 4 and the electric cylinder 12 are both electrically connected with the switch.

The utility model discloses a theory of operation is:

the utility model discloses when using, place the outside at the pile foundation with carriage 1, make the pile foundation be located carriage 1 back, start electric block 4, it rises to drive drop hammer 13 through the fixture on fly leaf 5, and through the height of observing the scale strip on the stand 2 in order to confirm drop hammer 13, after drop hammer 13 reaches suitable height, close electric block 4, and start electronic jar 12 and promote connecting rod 11, can utilize two first jack catchs 8 of intermeshing drive of first gear 7 and second gear 9 and second jack catch 10 simultaneous movement, in order to break away from lewis hole 15, thereby realize the release to drop hammer 13, and easy operation is swift, and be convenient for control drop hammer 13's height, excellent in use effect.

The utility model discloses in, through the cooperation of guide pulley 18 and guide rail 16, can play good guide effect to drop hammer 13, thereby take place the skew when avoiding the drop hammer whereabouts, with the top of the pile foundation is hit in the accuracy, through spout 17 and guide rail 16's cooperation, can play good guide effect to fly leaf 5, thereby improve the stability that fly leaf 5 goes up and down, and effectively avoid fly leaf 5 to take place to rotate, thereby behind release drop hammer 13, when lifting by crane drop hammer 13, be convenient for insert first jack catch 8 and second jack catch 10 in the lewis hole 15 that corresponds.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a drop hammer height adjusting device for high strain detection of pile foundation which characterized in that: including carriage (1), two stands (2) of top symmetry fixedly connected with of carriage (1), the surface of stand (2) is provided with the scale strip, two the common fixedly connected with back timber (3) in top of stand (2), the bottom fixedly connected with electric block (4) of back timber (3), steel cable tip fixedly connected with fly leaf (5) of electric block (4), be provided with fixture on fly leaf (5), the below of fly leaf (5) is provided with drop hammer (13), the top fixedly connected with of drop hammer (13) hangs piece (14), the outer wall symmetry of hanging piece (14) runs through and is provided with two lewis holes (15), two lewis holes (15) and fixture looks adaptation.

2. The drop hammer height adjusting device for pile foundation high strain detection according to claim 1, wherein: fixture includes two pivot (6), two the outer wall of fly leaf (5) is run through in pivot (6), two pivot (6) all rotates with fly leaf (5) to be connected, one the first gear (7) of the equal fixedly connected with in both ends of pivot (6), the first jack catch (8) of the outer wall fixedly connected with of first gear (7), another the equal fixedly connected with second gear (9) in both ends of pivot (6), the outer wall fixedly connected with second jack catch (10) of second gear (9), the lewis hole (15) that correspond, two are all passed to the one end of first jack catch (8) and second jack catch (10) first gear (7) all with the second gear (9) intermeshing that corresponds.

3. The drop hammer height adjusting device for pile foundation high strain detection according to claim 2, wherein: the outer wall of the first gear (7) is fixedly connected with a connecting rod (11), the outer wall of the movable plate (5) is hinged with an electric cylinder (12), and the push rod end of the electric cylinder (12) is hinged with the outer wall of the connecting rod (11).

4. The drop hammer height adjusting device for pile foundation high strain detection according to claim 1, wherein: two the relative outer wall symmetry fixedly connected with guide rail (16) of stand (2), guide rail (16) are the I-shaped, the outer wall slip of guide rail (16) has cup jointed spout (17), two spout (17) respectively with the both ends fixed connection of fly leaf (5).

5. The drop hammer height adjusting device for pile foundation high strain detection according to claim 4, wherein: both ends of the drop hammer (13) are positioned on both sides of the guide rail (16) and are rotatably connected with guide wheels (18), and the guide wheels (18) are positioned on the inner sides of the corresponding guide rails (16).