CN217734130U

CN217734130U - Building engineering foundation pile detection device

Info

Publication number: CN217734130U
Application number: CN202221338727.7U
Authority: CN
Inventors: 董曹辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-04
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a building engineering foundation pile detection device, which comprises a frame body, wherein the top of the frame body is provided with a driver, the output end of the driver is provided with a cable rope, the cable rope extends into the frame body and is connected with a balance plate, and a knocking hammer is arranged at the middle position of the bottom of the balance plate; the utility model discloses lead to the lift cooperation through cross support, be convenient for imbed the foundation pile with constant head tank and bell jar skin, and under displacement determine module's laminating, the stability of side when guaranteeing the foundation pile and detecting, and utilize the guide cooperation of guide arm and sleeve pipe and guide pin bushing, make the position of knocking hammer when the free fall center, thereby let the stable mid point with the foundation pile top of drop point of weight contact, improve the precision that the weight detected the drop point, and the electromagnetism through annular electromagnet adsorbs, when making the sleeve pipe guide knocking hammer, provide the spacing efficiency of knocking hammer, the controllability and the security that increase structure detected.

Description

Building engineering foundation pile detection device

Technical Field

The utility model relates to a foundation pile detects technical field, specifically is a building engineering foundation pile detection device.

Background

The foundation pile is a single pile in a pile group foundation, the pile group foundation is a pile foundation consisting of more than two rows of piles, the pile foundation is a foundation consisting of the piles and a bearing platform connected to the pile top, and the foundation pile needs to detect the completeness of the foundation pile in the construction and use process, wherein the detection methods are multiple, and currently, the common methods comprise a static load test, a core drilling method, a low strain method, a high strain method, a sound wave transmission method and the like;

when carrying out the testing work to the foundation pile, often can pound to the foundation pile top through the weight, thereby detect the subsidence and the resistance to compression bearing capacity of foundation pile, but the weight is pounded to the foundation pile in-period, it is unanimous to be difficult to guarantee the mid point on weight placement and foundation pile top, can reduce the vertical pressure of weight to the foundation pile promptly, thereby lead to the atress that the foundation pile detected uneven, influence the detection result of resistance to compression bearing capacity, and, when the weight placement is in the side on foundation pile top, the side resistance is applyed to the foundation pile part easily, thereby lead to foundation pile water level displacement, produce the slope, influence the vertical resistance to plucking bearing capacity of foundation pile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building engineering foundation pile detection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a foundation pile detection device for building engineering comprises a frame body, wherein a driver is arranged at the top of the frame body, a cable is arranged at the output end of the driver, the cable extends into the frame body and is connected with a balance plate, a knocking hammer is arranged in the middle of the bottom of the balance plate, sleeves are fixedly connected to two sides of the knocking hammer, two groups of guide sleeves opposite to the vertical surfaces of the sleeves are arranged at the top of the inside of the frame body, and annular electromagnets matched with each other are arranged at the bottoms of the two groups of guide sleeves and the top of each sleeve;

one side at the inside top of support body is equipped with servo motor, servo motor's output and the opposite side at inside top all are equipped with the lead screw, and are two sets of the top in the lead screw outside is equipped with the belt pulley, and is two sets of the outside of belt pulley is equipped with the belt that the transmission is connected, and is two sets of the outside of lead screw is equipped with the cross support of screw thread adaptation, the both sides rigid coupling at cross support top has the guide arm, and the guide arm respectively with sleeve pipe and the mutual adaptation of guide pin bushing, the inside intermediate position department of cross support is equipped with the displacement detection subassembly.

Preferably, the displacement detection subassembly includes constant head tank, bell jar, electric putter, arc and pressure sensor respectively, the constant head tank has been seted up to the inside intermediate position department of cross support, the bottom intercommunication of constant head tank has the bell jar, the inside four corners department of cross support is equipped with electric putter, four groups electric putter's output is equipped with the arc, four groups pressure sensor has been installed to the intermediate position department of arc.

Preferably, the intermediate position department at support body top is equipped with the guide pulley group, and the mutual adaptation of guide pulley group and hawser, the opening has been seted up to the bottom of the positive one end of support body, the inside both sides of support body are equipped with the guide rail, and the inboard of guide rail be equipped with the guide block of cross support rigid coupling.

Preferably, both sides of the inside of the cross-shaped support are provided with threaded holes, the threaded holes are matched with the threads of the screw rod, guide pillars are arranged at the middle positions of the two ends of the top of the inside of the support body and penetrate through the inside of the cross-shaped support, through holes are formed in the two ends of the inside of the cross-shaped support, and the through holes are matched with the guide pillars in a guiding manner.

Preferably, the tops of the two groups of guide rods extend to the outside of the frame body, the two groups of guide rods lift synchronously along with the cross-shaped support, and the two groups of sleeves and the guide sleeves are sleeved on the outer sides of the guide rods.

Preferably, the outer sides of the four groups of arc-shaped plates are provided with buffering cotton, and the four groups of arc-shaped plates and the pressure sensors are on the same horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are that: the building engineering foundation pile detection device is convenient for embedding the positioning groove and the conical groove into the outer layer of the foundation pile through the lifting matching of the cross-shaped support, ensures the stability of the side surface when the foundation pile is detected under the fitting of the displacement detection assembly, and promotes the knocking hammer to be positioned at the center when the knocking hammer freely falls by utilizing the guide matching of the guide rod, the sleeve and the guide sleeve, so that the falling point of the hammer is stably contacted with the middle point of the top end of the foundation pile, the accuracy of the detection of the falling point of the hammer is improved, the sleeve is promoted to guide the knocking hammer through the electromagnetic adsorption of the annular electromagnet, the limiting effect of the knocking hammer is provided while the sleeve guides the knocking hammer, and the controllability and the safety of structure detection are improved;

utilize mutually supporting of displacement detection subassembly, can be when detecting the foundation pile, with the lateral surface of four group's arcs laminating at the foundation pile, thereby detect the lateral resistance of foundation pile through four group's pressure sensor, when the offset slope appears in the foundation pile, alright through pressure sensor's intelligent response, the whole displacement that appears in perception foundation pile, and acquire orientation and the slope range data of displacement, make the foundation pile when carrying out the resistance to compression and bear the weight of the detection, provide the synchronous detection efficiency of foundation pile side strain displacement, increase this detection device's pluralism and comprehensiveness.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention;

FIG. 4 is a top cross-sectional view of the cross-shaped support of the present invention;

fig. 5 is a perspective view of the sleeve and the guide sleeve of the present invention.

In the figure: 1. a frame body; 2. a cross-shaped support; 3. a driver; 4. a cable; 5. a servo motor; 6. positioning a groove; 7. a tapered groove; 8. a screw rod; 9. a belt pulley; 10. a belt; 11. a balance plate; 12. knocking hammers; 13. a guide bar; 14. an electric push rod; 15. an arc-shaped plate; 16. a pressure sensor; 17. a sleeve; 18. a guide sleeve; 19. an annular electromagnet.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a building engineering foundation pile detection device comprises a frame body 1, wherein a driver 3 is arranged at the top of the frame body 1, a cable 4 is arranged at the output end of the driver 3, the cable 4 extends into the frame body 1 and is connected with a balance plate 11, a knocking hammer 12 is arranged at the middle position of the bottom of the balance plate 11, two sides of the knocking hammer 12 are fixedly connected with a sleeve 17, two groups of guide sleeves 18 which are opposite to the vertical surface of the sleeve 17 are arranged at the top of the inside of the frame body 1, and annular electromagnets 19 which are matched with each other are arranged at the bottoms of the two groups of guide sleeves 18 and the top of the sleeve 17;

one side at the inside top of support body 1 is equipped with servo motor 5, servo motor 5's the output all is equipped with lead screw 8 with the opposite side at inside top, the top in the 8 outsides of two sets of lead screws is equipped with belt pulley 9, the outside of two sets of belt pulley 9 is equipped with belt 10 that the transmission is connected, the outside of two sets of lead screws 8 is equipped with cross support 2 of screw thread adaptation, the both sides rigid coupling at 2 tops of cross support has guide arm 13, and guide arm 13 respectively with sleeve pipe 17 and the mutual adaptation of guide pin bushing 18, the inside intermediate position department of cross support 2 is equipped with displacement detection subassembly.

Further, the displacement detection assembly comprises a positioning groove 6, a conical groove 7, an electric push rod 14, an arc-shaped plate 15 and a pressure sensor 16 respectively, the positioning groove 6 is formed in the middle position of the inside of the cross-shaped support 2, the conical groove 7 is communicated with the bottom of the positioning groove 6, the electric push rod 14 is arranged at four corners of the inside of the cross-shaped support 2, the arc-shaped plates 15 are arranged at the output ends of the four groups of electric push rods 14, and the pressure sensor 16 is arranged in the middle position of the four groups of arc-shaped plates 15.

Further, the intermediate position department at 1 top of support body is equipped with guide pulley group, and guide pulley group and the mutual adaptation of hawser 4, and the opening has been seted up to the bottom of 1 positive one end of support body, and 1 inside both sides of support body are equipped with the guide rail, and the inboard of guide rail be equipped with the guide block of 2 rigid couplings of cross support, increase the stability that 2 lifts of cross support to through seting up of opening, conveniently observe the rising of inner structure weight and rise the state.

Further, the inside both sides of cross support 2 are equipped with the screw hole, and screw hole and 8 screw-thread adaptations of lead screw, and the intermediate position department at the inside top both ends of support body 1 is equipped with the guide pillar, and the guide pillar runs through the inside of cross support 2, and the inside both ends of cross support 2 are equipped with the through-hole, and through-hole and guide pillar direction cooperation, make cross support 2 obtain the spacing guide function of guide pillar and through-hole at the lift in-process.

Furthermore, the tops of the two groups of guide rods 13 extend to the outside of the frame body 1, the two groups of guide rods 13 lift along with the cross-shaped support 2 synchronously, and the two groups of sleeves 17 and the guide sleeves 18 are sleeved on the outer sides of the guide rods 13, so that the guide rods 13 not only limit and guide the cross-shaped support 2, but also enable the sleeves 17 to slide in a limiting manner on the outer sides of the guide rods 13, and the stability of free falling of the knocking hammer 12 is improved.

Further, the outer sides of the four groups of arc-shaped plates 15 are provided with buffering cotton, the four groups of arc-shaped plates 15 and the pressure sensor 16 are on the same horizontal plane, real-time monitoring can be carried out on the side position inclination of the foundation pile, and additional guarantee of device detection is added.

The working principle is as follows: when the device is used for detecting a foundation pile, firstly, the frame body 1 is integrally erected on the top surface of the foundation pile, the center points of the positioning groove 6 and the conical groove 7 are vertically opposite to the center point of the foundation pile, then the servo motor 5 is controlled to start, one group of lead screws 8 are driven to rotate, the belt pulley 9 is driven to synchronously rotate under the transmission connection of the belt 10 along with the rotation of one group of lead screws 8, the other group of lead screws 8 are driven to synchronously rotate, at the moment, the cross-shaped support 2 is driven to integrally descend through the rotation of the two groups of lead screws 8, the guide rod 13 is driven to stably ascend and descend under the limit of the guide sleeve 18 along with the descending of the cross-shaped support 2, the cross-shaped support 2 drives the conical groove 7 and the positioning groove 6 to cover the side surface of the foundation pile, the end of the foundation pile protrudes out of the positioning groove 6, at the moment, the arc-shaped plate 15 is driven to move towards the center through the control starting of the four groups of electric push rods 14, and the arc-shaped plate 15 and the pressure sensor 16 are in contact with the four directions of the foundation pile to be mutually attached to the foundation pile;

when the outer side surface of the foundation pile is attached, the mooring rope 4 can be driven to pull the balance plate 11 and the knocking hammer 12 to ascend through the starting of the driver 3, after the knocking hammer 12 ascends to a specified position, the knocking hammer 12 can freely fall under the influence of gravity by canceling the control of the driver 3, and the balance plate 11 and the two groups of sleeves 17 can be driven by the knocking hammer 12 to guide and slide on the outer side surface of the guide rod 13 in the process, so that the hammering point of the knocking hammer 12 is kept at the center of the end surface of the foundation pile, the end surface of the foundation pile is uniformly stressed, and the detection work of compressive bearing capacity is carried out by matching with a detection device; during detection, the four groups of arc-shaped plates 15 and the pressure sensors 16 are attached to the side faces of the foundation piles, so that whether the position of the side face of the foundation pile deviates and inclines or not can be intelligently sensed, reliable guarantee is provided for detection work of the heavy hammer of the foundation pile, when the pressure sensors 16 sense pressure, the inclination of the side position of the foundation pile can be judged, the detection can be stopped at the first time, and repair work can be carried out on the foundation pile;

when the knocking hammer 12 does not perform hammering work any more, the knocking hammer can be lifted to a designated position, then the sleeve 17 is structurally attached to the guide sleeve 18, the sleeve 17 and the guide sleeve 18 are stably adsorbed by the power supply of the annular electromagnet 19, the knocking hammer 12 is limited, and the detection safety of the device is improved.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that unless otherwise explicitly specified or limited, the terms connected or connected should be interpreted broadly, for example, as a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a building engineering foundation pile detection device, includes support body (1), its characterized in that: the top of the frame body (1) is provided with a driver (3), the output end of the driver (3) is provided with a cable (4), the cable (4) extends into the frame body (1) and is connected with a balance plate (11), the middle position of the bottom of the balance plate (11) is provided with a knocking hammer (12), two sides of the knocking hammer (12) are fixedly connected with a sleeve (17), the top of the inside of the frame body (1) is provided with two groups of guide sleeves (18) opposite to the vertical surface of the sleeve (17), and the bottoms of the two groups of guide sleeves (18) and the top of the sleeve (17) are provided with annular electromagnets (19) which are matched with each other;

one side at the inside top of support body (1) is equipped with servo motor (5), the output of servo motor (5) and the opposite side at inside top all are equipped with lead screw (8), and are two sets of the top in lead screw (8) outside is equipped with belt pulley (9), and is two sets of belt pulley (9)'s the outside is equipped with belt (10) that the transmission is connected, and is two sets of the outside of lead screw (8) is equipped with cross support (2) of screw thread adaptation, the both sides rigid coupling at cross support (2) top has guide arm (13), and guide arm (13) respectively with sleeve pipe (17) and guide pin bushing (18) mutual adaptation, the inside intermediate position department of cross support (2) is equipped with displacement detection subassembly.

2. The constructional engineering foundation pile detection device as claimed in claim 1, wherein: displacement detection subassembly includes constant head tank (6), bell jar (7), electric putter (14), arc (15) and pressure sensor (16) respectively, constant head tank (6) have been seted up to the inside intermediate position department of cross support (2), the bottom intercommunication of constant head tank (6) has bell jar (7), the inside four corners department of cross support (2) is equipped with electric putter (14), four groups the output of electric putter (14) is equipped with arc (15), four groups pressure sensor (16) have been installed to the intermediate position department of arc (15).

3. The constructional engineering foundation pile detection device as recited in claim 1, wherein: the middle position department at support body (1) top is equipped with the guide pulley group, and guide pulley group and hawser (4) mutual adaptation, the opening has been seted up to the bottom of the positive one end of support body (1), the inside both sides of support body (1) are equipped with the guide rail, and the inboard of guide rail be equipped with the guide block of cross support (2) rigid coupling.

4. The constructional engineering foundation pile detection device as claimed in claim 1, wherein: the inside both sides of cross support (2) are equipped with the screw hole, and screw hole and lead screw (8) screw thread adaptation, the intermediate position department at the inside top both ends of support body (1) is equipped with the guide pillar, and the guide pillar runs through the inside of cross support (2), the inside both ends of cross support (2) are equipped with the through-hole, and through-hole and guide pillar direction cooperation.

5. The constructional engineering foundation pile detection device as recited in claim 1, wherein: the top of two sets of guide arm (13) extends to the outside of support body (1), and is two sets of guide arm (13) follow cruciform support (2) and go up and down in step, and are two sets of sleeve pipe (17) and guide pin bushing (18) cover are established in the outside of guide arm (13).

6. The constructional engineering foundation pile detection device as claimed in claim 2, wherein: the outer sides of the four groups of arc-shaped plates (15) are provided with buffering cotton, and the four groups of arc-shaped plates (15) and the pressure sensors (16) are on the same horizontal plane.