CN220813995U - High strain hammering device guide frame - Google Patents

Abstract

The utility model discloses a high-strain hammering device guide frame which comprises a frame, wherein two sliding rails are arranged on the frame, a heavy hammer is slidably arranged between the two sliding rails, two sides of the heavy hammer are respectively provided with a connecting part, each connecting part is provided with a sliding block, the sliding blocks are provided with sliding grooves, the sliding grooves are sleeved on the sliding rails so that the sliding blocks can slide on the sliding rails, the upper part of the heavy hammer is provided with a hook, the bottom of the frame is provided with a detachable positioning assembly, and the middle part of the positioning assembly is provided with a through hole for a pile foundation to pass through. According to the utility model, the positioning assembly is arranged, and the proper positioning assembly is selected according to the size of the pile foundation, so that the pile foundation can pass through the through hole of the positioning assembly, the position of the frame is adjusted to determine the impact position, the heavy hammer loses tension and can freely fall under the action of gravity, the sliding blocks at the two ends of the heavy hammer are in sliding connection on the sliding rail so as to limit the heavy hammer, the heavy hammer is hammered on the pile center of the pile foundation as much as possible, and the accuracy of detecting the bearing capacity of the pile foundation is improved.

Description

High strain hammering device guide frame

Technical Field

The utility model belongs to the technical field of pile foundation detection, and particularly relates to a guide frame of a high-strain hammering device.

Background

The concrete pile detection generally adopts an endoscopic detection method, an ultrasonic detection method and a high strain detection method. The high strain detection is a common detection technology for detecting the concrete pile, and is characterized in that sensors (comprising impact force and impact response sensors) required by the high strain detection are symmetrically arranged on the lower outer side of the concrete pile top, and when the pile top is subjected to impact load, longitudinal wave signals in the pile body are received to detect the bearing capacity and whether the pile is defective.

In the existing high-strain detection device, in the falling process of the heavy hammer, the pituitary body can shift in moving position, so that the hammer body can not be hammered on the pile foundation pile core in the vertical falling (free falling) process of the hammer body, and the bearing capacity detection structure for detecting the pile foundation is not accurate enough.

Disclosure of utility model

The utility model mainly aims to provide a guide frame of a high-strain hammering device, wherein a pile foundation is positioned through a positioning assembly, and a heavy hammer impacts the pile foundation through the cooperation of a sliding rail and a sliding block, so that impact accuracy and detection accuracy are improved.

According to a first aspect of the utility model, there is provided a guide frame for a high-strain hammering device, comprising a frame, two vertical sliding rails are arranged on the frame, a heavy hammer is slidably mounted between the two sliding rails, two sides of the heavy hammer are respectively provided with a connecting part, each connecting part is provided with a sliding block, the sliding blocks are provided with sliding grooves, the sliding grooves are sleeved on the sliding rails so that the sliding blocks can slide on the sliding rails, the upper part of the heavy hammer is provided with a hook, the bottom of the frame is provided with a detachable positioning assembly, and the middle part of the positioning assembly is provided with a through hole for a pile foundation to pass through.

In a specific embodiment of the utility model, the rack comprises a limit bolt and two upright posts, the slide rail is arranged on the inner side of the upright posts, a lower limit block is arranged at the bottom of the slide rail, at least two limit holes are arranged at the upper part of the upright posts at intervals, and one end of the limit bolt passes through the limit holes and then is arranged beside the slide rail to form an upper limit block for limiting the slide block to move upwards.

In a specific embodiment of the utility model, the outer side of the upright post is provided with an auxiliary frame, and the auxiliary frame comprises a first auxiliary frame connected with the bottom of the upright post and a second auxiliary frame obliquely arranged on the first auxiliary frame and the upper middle part of the upright post.

In a specific embodiment of the present utility model, the upper portion of the slide rail is provided with a guide portion.

In a particular embodiment of the utility model, the top of the hook is provided with a unhooking system, the top of which is connected to the lifting hook of the crane.

In a specific embodiment of the utility model, the positioning assembly comprises at least two positioning plates, one side of each positioning plate is provided with a connecting part, the connecting part is connected with the bottom of the frame through bolts, the other side of each positioning plate is provided with a positioning groove, and after all the positioning plates are mounted on the frame, the positioning grooves enclose the through holes.

In a specific embodiment of the present utility model, the cross section of the through hole may be circular, rectangular or elliptical.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects: according to the utility model, the positioning assembly is arranged, the proper positioning assembly is selected according to the size of the pile foundation, so that the pile foundation can pass through the through hole of the positioning assembly, the distance between the through hole and the pile foundation is adjusted, the position of the frame is adjusted to determine the impact position, the heavy hammer loses tension and can freely fall under the action of gravity and move, the sliding blocks at the two ends of the heavy hammer are connected on the sliding rail in a sliding manner, the heavy hammer is limited, the heavy hammer is hammered on the pile center of the pile foundation as much as possible, and the accuracy of detecting the bearing capacity of the pile foundation is improved.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is a schematic diagram of the structure of an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

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

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements, indirect communication or interaction relationship between the two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1, the guide frame of the high-strain hammering device comprises a frame, two vertical slide rails 11 are arranged on the frame, a heavy hammer 13 is slidably installed between the two slide rails 11, two sides of the heavy hammer 13 are respectively provided with a connecting part 21, each connecting part 21 is provided with a sliding block 12, the sliding blocks 12 are provided with sliding grooves, the sliding grooves are sleeved on the slide rails 11 so that the sliding blocks 12 can slide on the slide rails 11, the upper parts of the heavy hammers 13 are provided with hooks 14, the tops of the hooks 14 are provided with unhooking systems, the tops of the unhooking systems are connected with lifting hooks of a crane, the bottoms of the frame are provided with detachable positioning assemblies, and the middle parts of the positioning assemblies are provided with through holes for pile foundations to pass through.

According to the utility model, the positioning assembly is arranged, the proper positioning assembly is selected according to the size of the pile foundation, so that the pile foundation can pass through the through hole of the positioning assembly, the distance between the through hole and the pile foundation is adjusted, the position of the frame is adjusted to determine the impact position, the heavy hammer 13 loses tension and can freely fall under the action of gravity and move, the sliding blocks 12 at the two ends of the heavy hammer 13 are connected on the sliding rail 11 in a sliding manner, the heavy hammer 13 is limited, the heavy hammer 13 is hammered on the pile center of the pile foundation as much as possible, and the accuracy of detecting the bearing capacity of the pile foundation is improved.

In one embodiment of the present utility model, the rack includes a limit bolt 15 and two upright posts 10, the slide rail 11 is disposed at the inner side of the upright posts 10, a lower limit block 19 is disposed at the bottom of the slide rail 11, at least two limit holes are disposed at intervals on the upper portion of the upright posts 10, and one end of the limit bolt 15 passes through the limit holes and is disposed beside the slide rail 11 to form an upper limit block for limiting the upward movement of the slide block 12. Specifically, the upper portion of the pile foundation to be measured is higher than the lower limiting block 19, so that the slider 12 does not contact with the lower limiting block 19 when the weight 13 hits the pile foundation center. The lower limiting block 19 is mainly used for preventing the heavy hammer 13 from being separated from the rack. Specifically, the weight 13 is not lifted by the crane, and the weight 13 can freely fall down to make the slider 12 contact with the lower stopper 19, so that the weight 13 cannot fall down to be dangerous in the process of installing the chassis. And the weight 13 is lifted by the crane and is contacted with the slide block 12 through the limit bolt 15, so that the weight 13 is prevented from being separated from the slide rail 11.

In one embodiment of the present utility model, the outer side of the upright 10 is provided with an auxiliary frame, which includes a first auxiliary frame 17 connected to the bottom of the upright 10 and a second auxiliary frame 18 obliquely provided at the middle upper portion of the first auxiliary frame 17 and the upright 10, and the stability of the frame is improved by the first auxiliary frame 17 and the second auxiliary frame 18.

In one embodiment of the present utility model, the upper portion of the sliding rail 11 is provided with a guiding portion 16, so as to facilitate the sliding block 12 entering the sliding rail 11. Specifically, the guide portion 16 is a 45 degree slope.

In one embodiment of the present utility model, the positioning assembly includes at least two positioning plates 20, one side of each positioning plate 20 is provided with a connecting portion 21, the connecting portion 21 is connected with the bottom of the rack through a bolt, the other side of each positioning plate 20 is provided with a positioning groove, and after all positioning plates 20 are mounted on the rack, the positioning grooves enclose the through holes. Specifically, several positioning plates 20 with different specifications can be set according to the specifications of the detected pile foundation, so as to be suitable for detecting different foundation piles.

In one embodiment of the present utility model, the cross section of the through hole may be circular, rectangular or elliptical. For foundation piles of different shapes, positioning plates 20 of different specifications and shapes are adopted to adapt to detection of different foundation piles.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. The utility model provides a high strain hammering device leading truck, its characterized in that, includes the frame, be provided with two vertical slide rails in the frame, two slidable mounting has the weight between the slide rail, the both sides of weight are provided with a connecting portion respectively, each install the slider on the connecting portion, be provided with the spout on the slider, the spout suit is on the slide rail so that the slider can slide on the slide rail, the upper portion of weight is provided with the couple, the bottom of frame is provided with detachable locating component, locating component's middle part is provided with the through-hole that supplies the pile foundation to pass, locating component includes two piece at least locating plates, one side of locating plate is provided with connecting portion, connecting portion is connected with the bottom of frame through the bolt, the opposite side of locating plate is provided with the constant head tank, all the locating plate is installed behind the frame, the constant head tank encloses into the through-hole, the cross-section of through-hole can be circular, rectangle or oval.

2. The high-strain hammering device guide frame according to claim 1, wherein the frame comprises a limit bolt and two upright posts, the slide rail is arranged on the inner side of the upright posts, a lower limit block is arranged at the bottom of the slide rail, at least two limit holes are arranged at intervals on the upper part of the upright posts, and one end of the limit bolt passes through the limit holes and then is arranged beside the slide rail to form an upper limit block for limiting the slide block to move upwards.

3. The high strain hammering device guide according to claim 2, wherein an auxiliary frame is provided at an outer side of the column, and the auxiliary frame includes a first auxiliary frame connected to a bottom of the column and a second auxiliary frame obliquely provided at an upper middle portion of the first auxiliary frame and the column.

4. The high strain hammering device guide according to claim 1, wherein an upper portion of said slide rail is provided with a guide portion.

5. The high strain hammering device guide according to claim 1, wherein the top of said hook is provided with a unhooking system, the top of said unhooking system being connected with the lifting hook of a crane.