CN209978773U

CN209978773U - Electric stay cable displacement detection device

Info

Publication number: CN209978773U
Application number: CN201921096605.XU
Authority: CN
Inventors: 张自平; 符磊; 马良
Original assignee: Zhejiang Feeling Machinery Manufacturing Co Ltd
Current assignee: Zhejiang Feeling Machinery Manufacturing Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-01-21
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses an electric inhaul cable displacement detection device, which comprises a switching power supply, a reel, a gauge stand, a reference beam, a detection gauge, a fixed pulley, a fixed frame, a steel wire rope, a counterweight, a detection base, a connecting ring, a cable, a pipeline electric chuck and a load box; the cable is wound on the reel, one end of the cable is connected with the switching power supply, and the other end of the cable penetrates through the connecting ring to be connected with the electric chuck; the steel wire rope rounds the fixed pulley, one end of the steel wire rope is connected with the connecting ring, the other end of the steel wire rope is connected with the counterweight, the detection base is fixed on the part of the steel wire rope between the fixed pulley and the connecting ring, and the fixed pulley is fixed on the fixed frame; the detection meter is fixed on the reference beam through the meter seat, and the detection end of the detection meter is contacted with the detection base; the electric chuck is matched in the pipeline, and an upper step and a lower step are arranged in the pipeline; the pipeline is connected with the load box. The embodiment not only facilitates field installation and detection, but also reduces the detection cost of the pile foundation.

Description

Electric stay cable displacement detection device

Technical Field

The utility model relates to a mechanical detection device, more specifically relate to an electronic cable displacement detection device.

Background

At present, the common displacement detecting devices mainly include displacement rod type displacement detecting devices, displacement wire type displacement detecting devices, and the like.

The existing displacement rod type displacement detection device is widely used, a rigid rod is fixed at a pile body displacement measurement position, the rigid rod extends to the ground, a dial indicator or a displacement sensor is arranged at the top of the rigid rod to detect the displacement, and the outside of the rigid rod needs pipeline protection. In the installation process of the method, 3-6 meters of each rigid rod is needed, a plurality of rigid rods are connected for use, the rigid rods cannot be reused, and the problems of troublesome installation, higher cost and resource waste exist.

The displacement wire type displacement detection device comprises a mechanical type and an electric type, wherein the mechanical type displacement detection device needs one steel wire to be connected with the chuck, the other steel wire controls the chuck to contract or expand, the two steel wires need to be simultaneously placed in a pipeline, the two separated steel wires are easy to wind, and once the steel wires are wound, the chuck cannot be controlled to contract or expand, and the measurement cannot be finished; the other electric displacement detecting device is connected with an electric chuck through a cable wire, and the electric chuck is controlled to contract or expand through an electromagnet. This device realizes the measurement test of load box displacement from top to bottom through pre-buried sounding pipe, has following problem: one is that the pile body detection without a reserved acoustic pipe cannot be met; and for another application site with the pile diameter of less than 2.5m, only 2-3 sound measuring tubes are generally needed in the technical specification for detecting the concrete defects by the CECS 21-2000 ultrasonic method, and at least 4 detection points are needed for detecting the displacement of the load box, so that the displacement measurement cannot be realized. Based on the above problems, there is room for improvement in displacement detection in the prior art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electronic cable displacement detection device has not only made things convenient for the field installation to detect, but also has reduced the detection cost of pile foundation.

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

the utility model provides an electronic cable displacement detection device which characterized by: the device comprises a switching power supply, a reel, a gauge stand, a reference beam, a detection gauge, a fixed pulley, a fixed frame, a steel wire rope, a counterweight, a detection base, a connecting ring, a cable, a pipeline electric chuck and a load box;

the cable is wound on the reel, one end of the cable is connected with the switching power supply, the other end of the cable penetrates through the connecting ring to be connected with the electric chuck, and the cable is fixedly connected with the connecting ring;

the steel wire rope rounds the fixed pulley, one end of the steel wire rope is connected with the connecting ring, the other end of the steel wire rope is connected with the counterweight, the detection base is fixed on the part of the steel wire rope between the fixed pulley and the connecting ring, and the fixed pulley is fixed on the fixed frame;

the detection meter is fixed on the reference beam through the meter seat, and the detection end of the detection meter is contacted with the detection base so as to detect the displacement of the detection base;

the electric chuck is matched in the pipeline, and an upper step and a lower step for clamping the electric chuck are arranged in the pipeline;

the pipeline is connected with the load box, and the upper step and the lower step are respectively positioned above and below the opening surface of the load box.

Preferably, the electric chuck comprises a sleeve, a push-pull type electromagnetic valve and a chuck; the push-pull type electromagnetic valve and the chuck are arranged in the sleeve, and the push-pull type electromagnetic valve is connected with the chuck to drive the swing arm of the chuck to contract into the sleeve or expand to the outside of the sleeve.

Preferably, the chuck comprises an upper coupling head, a lower coupling head, a first swing arm, a second swing arm, a first connecting rod and a second connecting rod;

the upper end of the first connecting rod is hinged with the upper end of the second connecting rod and is simultaneously hinged with an upper connecting head, the upper connecting head is connected with a push-pull rod of the push-pull electromagnetic valve, and the lower end of the first connecting rod and the lower end of the second connecting rod are respectively hinged with the middle part of the first swing arm and the middle part of the second swing arm;

the lower end of the first swing arm is hinged with the lower end of the second swing arm and is hinged to a lower joint head, and the lower joint head is fixed to the sleeve.

Preferably, the detection meter is a dial indicator.

Preferably, an electrical slip ring is arranged between the cable and the switching power supply.

The utility model has the advantages that:

1. compared with the prior electric displacement wire detection device, the invention avoids the change of the site construction process on one hand, and saves the use and installation of the displacement rod and the acoustic measurement tube on the other hand, thereby ensuring the site operation to be quicker and more labor-saving.

2. The invention is economical and practical, and compared with the displacement detection device of the displacement rod, the invention saves the use of the displacement rod in the pile forming process; meanwhile, the recovery and the reuse of the electric chuck are realized, the workload of the detection device during installation is reduced, and the pile foundation detection cost is reduced.

Drawings

Fig. 1 is a schematic view of an electric cable displacement detecting device provided in this embodiment;

fig. 2 is a schematic view of the electrical chuck according to this embodiment.

Detailed Description

The electric cable displacement detecting device of the present invention is further described with reference to fig. 1 to 2.

The utility model provides an electronic cable displacement detection device which characterized by: the device comprises a switching power supply 1, a reel 3, a gauge stand 13, a reference beam 12, a detection gauge 11, a fixed pulley 12, a fixed frame 7, a steel wire rope 19, a counterweight 6, a detection base 8, a connecting ring 5, a cable 4, a pipeline 14 electric chuck 15 and a load box 18.

The cable 4 is wound on the reel 3, one end of the cable 4 is connected with the switching power supply 1 through the electric slip ring 2, the other end of the cable 4 penetrates through the connecting ring 5 to be connected with the electric chuck 15, and the cable is fixed with the connecting ring 5;

the steel wire rope 19 bypasses the fixed pulley, one end of the steel wire rope is connected with the connecting ring 5, the other end of the steel wire rope is connected with the counterweight 6, the detection base 8 is fixed on the part of the steel wire rope between the fixed pulley 12 and the connecting ring 5, and the fixed pulley is fixed on the fixed frame 7;

the detection meter 11 is fixed on the reference beam 12 through the connecting rod 10 and the meter seat 13, and the detection end, namely the detection shaft, of the detection meter 11 is contacted with the detection base 8 to detect the displacement of the base 8;

the electric chuck 15 is matched with the inside of the pipeline 14, and an upper step 16 and a lower step 17 for clamping the electric chuck 15 are arranged in the pipeline 14;

the pipe 14 is connected to a load box 18 and the upper and

lower steps

16,17 are located above and below the open face of the load box 18 respectively.

The implementation process comprises the following steps: the pipe sleeve 14 and the load box 18 are embedded in the pile body together, and the upper step 16 and the lower step 17 are respectively positioned at an upper displacement detection point and a lower displacement detection point of the load box 18; after the concrete solidification period, the pile body bearing capacity detection is started, and the electric slip ring 2, the reel 3, the switching power supply 1, the electric chuck 15 and the connecting ring 5 are connected by the cable 4; a fixed frame 7 and a reference beam 12 are erected, a fixed pulley 12 is fixed on the fixed frame 7, and a detection meter 11 is fixed on the reference beam 12 through a connecting rod and a meter seat 13; when the switching power supply 1 is electrified, the electric chuck 15 is electrified to enable the swing arm to contract, the reel 3 is rotated to pay out a cable, and the electric chuck 15 reaches an upper step 16 or a lower step 17 of a measuring point along the pipeline 14; when the switching power supply 1 is powered off, the electric switch is powered off, so that the swing arm of the electric chuck 15 is opened, and the electric chuck 15 is fixed on the upper step 16 or the lower step 17; the steel wire rope and a cable connected with the electric chuck 15 are in a tightened state, the detection base 8 is fixed on the steel wire rope between the fixed pulley and the connecting ring 5, and a test shaft of the detection meter 11 is aligned to the detection base; loading a load box 18, respectively moving the upper pile body and the lower pile body to drive

steps

16 and 17 to move, driving the detection base to move by the movement of the

steps

16 and 17, reading the displacement of the upper pile body and the lower pile body on a detection table 11, and recording data; after loading is finished, the gauge stand 13, the reference beam 12, the detection gauge 11, the fixed pulley, the fixing frame 7, the steel wire rope, the balance weight, the base, the connecting ring 5 and the switching power supply 1 are detached, the swing arm of the electric chuck 15 is retracted, the reel 3 is rotated to take back the cable, the electric chuck 15 rises to the ground along the pipeline 14, and then displacement detection work is finished.

In the process, compared with the prior electric displacement wire detection device, the use and installation of the displacement rod and the acoustic detection tube are omitted, so that the field operation is quicker and more labor-saving, and the application range is wider; relative to the displacement detection device of the displacement rod, the invention saves the use of the displacement rod in the pile forming process; meanwhile, the recovery and the reuse of the electric chuck 15 are realized, the workload of the detection device during installation is reduced, and the pile foundation detection cost is reduced; the electromagnet is electrified, the swing arm is contracted, the power-off swing arm is opened, the swing arm is prevented from being not retracted and clamped in the channel, and the reliability is improved.

The embodiment is further configured as follows: the electric chuck 15 comprises a sleeve 151, a push-pull electromagnetic valve 152 and a chuck 153; the push-pull electromagnetic valve 152 and the chuck 153 are both arranged in the sleeve 151, the push-pull electromagnetic valve is connected with a cable, and a push-pull rod 1521 of the push-pull electromagnetic valve 152 is connected with the chuck 153 to drive a swing arm of the chuck 153 to contract or expand to the outside of the sleeve 151. With plug-type solenoid valve 152 and chuck 153 setting in sleeve pipe 151, the whole electronic dop 15's of promotion stability that can show improves electronic dop 15 promptly and shifts up, move down and fix the stability on

step

16,17, thereby has guaranteed the utility model discloses a reliability to and the accurate nature of detection.

The embodiment is further configured as follows: the collet 153 includes an upper coupling head 1531, a lower coupling head 1536, a first swing arm 1534, a second swing arm 1535, a first link 1532, and a second link 1533;

the upper end of the first link 1532 is hinged to the upper end of the second link 1533 through a pin rod, and is hinged to the upper coupling head 1531 through the pin rod, the upper coupling head 1531 is connected to the push-pull rod of the push-pull solenoid valve 152, and the upper coupling head can move up and down in the sleeve 151, the lower end of the first link 1532 and the lower end of the second link 1533 are hinged to the middle of the first swing arm 1534 and the middle of the second swing arm 1535 through pin rods, respectively, and the push-pull solenoid valve 152 is fixed in the sleeve 151 through a bolt;

the lower end of the first swing arm 1534 is hinged to the lower end of the second swing arm 1535 by a pin bar, and is also hinged to the lower coupling head 1536 by the pin bar, and the lower coupling head 1536 is fixed to the sleeve 151 by a bolt.

The side wall of the sleeve 151 has two symmetrical openings 1511, and the upper ends of the first swing arm 1534 and the second swing arm 1535 correspond to the two openings, respectively. In operation, after the push-pull solenoid valve 152 is powered on, the push-pull rod of the push-pull solenoid valve 152 pulls the upper end of the first connecting rod 1532 and the upper end of the second connecting rod 1533 to move upwards, so as to link the upper end of the first swing arm 1534 and the upper end of the second swing arm 1535 to retract into the sleeve 151, so that the collet 153 can move in the sleeve 151; after the power of the push-pull solenoid valve 152 is cut off, the push-pull rod of the push-pull solenoid valve 152 drives the upper end of the first connecting rod 1532 and the upper end of the second connecting rod 1533 to move downwards, and the upper ends of the first swing arm 1534 and the second swing arm 1535 are linked to expand and extend to the outside of the sleeve 151 so as to abut against the upper step 16 or the lower step 17, so that the electric chuck 15 can move or be fixed in the sleeve 151.

The embodiment is further configured as follows: the detecting meter 11 is a dial indicator, and the dial indicator can accurately detect the displacement of the steel wire rope 19.

The embodiment is further configured as follows: the connecting ring is a heart ring. When the device is used, the heart ring is fixed with the cable, and the lower end of the steel wire rope is fixed with the heart ring.

Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electronic cable displacement detection device which characterized by: the device comprises a switching power supply, a reel, a gauge stand, a reference beam, a detection gauge, a fixed pulley, a fixed frame, a steel wire rope, a counterweight, a detection base, a connecting ring, a cable, a pipeline electric chuck and a load box;

2. The electric cable displacement detecting device according to claim 1, wherein: the electric chuck comprises a sleeve, a push-pull type electromagnetic valve and a chuck; the push-pull type electromagnetic valve and the chuck are arranged in the sleeve, and the push-pull type electromagnetic valve is connected with the chuck to drive the swing arm of the chuck to contract into the sleeve or expand to the outside of the sleeve.

3. The electric cable displacement detecting device according to claim 2, wherein: the chuck comprises an upper coupling head, a lower coupling head, a first swing arm, a second swing arm, a first connecting rod and a second connecting rod;

4. The electric cable displacement detecting device according to claim 1, wherein: the detection meter is a dial indicator.

5. The electric cable displacement detecting device according to claim 1, wherein: and an electric slip ring is arranged between the cable and the switching power supply.