CN214749438U

CN214749438U - Stress detection system

Info

Publication number: CN214749438U
Application number: CN202120853448.3U
Authority: CN
Inventors: 罗国华; 关启俊; 胡春生; 陆成杰; 李国亨
Original assignee: Foshan Weisheng Construction Equipment Co ltd
Current assignee: Foshan Weisheng Construction Equipment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-16
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a stress detection system, which comprises a wall body, a wall-attached support, a wall-penetrating bolt, a control device, a first detection mechanism arranged at the rear side of the wall body, a second detection mechanism arranged between the front side of the wall body and the wall-attached support and a loading mechanism; the wall-through bolt is used for fixedly arranging the wall-attached support on a wall body, and the wall-through bolt penetrates through the wall body; the front end of the through-wall bolt is provided with a first nut, and the first nut is away from the front surface of the wall body by a certain distance; the first detection mechanism is used for detecting the tension of the through-wall bolt; the second detection mechanism is used for detecting the shearing force of the through-wall bolt; the loading mechanism is used for loading the wall-attached support; the application discloses atress detecting system through the loading of loading mechanism, can simulate the condition when attaching the wall support and wearing the wall bolt atress, adopts pulling force and shearing force when first detection mechanism and second detection mechanism detect respectively wearing the wall bolt atress, can ensure the steadiness when wearing the wall bolt in actual use.

Description

Stress detection system

Technical Field

The utility model relates to an attach wall support wall bolt detection technical field, in particular to atress detecting system.

Background

The scaffold refers to a construction site and various supports are erected for facilitating the operation of workers and solving the problems of vertical and horizontal transportation; the existing attached lifting scaffold is generally fixedly connected with a wall through a wall attaching support and a wall through bolt; if the connection strength between the through-wall bolt and the wall body and between the through-wall bolt and the wall-attached support is low, the risk coefficient of the scaffold during use is increased, namely, a safety risk exists, and therefore, the shearing force and the pulling force at the connection position of the through-wall bolt and the wall-attached support need to be detected.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, the utility model aims to provide a atress detecting system, situation when can simulate through-wall bolt atress through pulling force and shearing force when first detection mechanism and second detection mechanism detect through-wall bolt atress respectively can ensure the steadiness when through-wall bolt in-service use.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a stress detection system comprises a wall body, a wall-attached support, a wall-penetrating bolt, a control device, a first detection mechanism, a second detection mechanism and a loading mechanism, wherein the first detection mechanism, the second detection mechanism and the loading mechanism are respectively and electrically connected with the control device; the wall-penetrating bolt is used for fixedly arranging the wall-attached support on the wall body, and penetrates through the wall body; a first nut is arranged at the front end of the through-wall bolt and connected with the wall-attached support, and a certain distance is reserved between the first nut and the front surface of the wall body; the first detection mechanism is arranged on the rear side of the wall body and used for detecting the tension of the wall-through bolt; the second detection mechanism is arranged on the front side of the wall body, is positioned between the first nut and the front surface of the wall body, and is used for detecting the shearing force of the wall-through bolt; the loading mechanism is connected with the wall-attached support and used for loading the wall-attached support.

In the stress detection system, the first detection mechanism comprises a first weighing sensor, a first bracket and a second bracket; the first support is fixedly connected with the rear surface of the wall body, the second support is fixedly connected with the first support, and the first support and the second support are used for fixing the first weighing sensor; the first weighing sensor is electrically connected with the control device and used for detecting the tensile force of the through-wall bolt.

In the stress detection system, the first support comprises a first fixed seat and a first bolt, and the second support comprises a second fixed seat and a second bolt; the first bolt is used for fixedly arranging one end of the first weighing sensor in the first fixing seat, and the second bolt is used for fixedly arranging the other end of the first weighing sensor in the second fixing seat.

In the stress detection system, the second detection mechanism comprises a second weighing sensor, a third bracket and a fourth bracket; the third support is fixedly connected with the front surface of the wall body, the fourth support is fixedly connected with the third support, and the fourth support is used for fixing the second weighing sensor; the second weighing sensor is electrically connected with the control device and used for detecting the shearing force of the through-wall bolt.

In the stress detection system, the fourth support comprises a connecting rod, a third fixing seat and a third bolt, one end of the connecting rod is fixedly connected with the third support, the other end of the connecting rod is fixedly connected with the third fixing seat, the third bolt is used for fixedly arranging one end of the second weighing sensor in the third fixing seat, and the other end of the second weighing sensor is located between the front end of the through-wall bolt and the front surface of the wall body.

In the stress detection system, the loading mechanism comprises a jack and a third weighing sensor which are respectively and electrically connected with the control device, and the jack is connected with the wall-attached support and used for loading the wall-attached support; the third weighing sensor is arranged in the jack and used for detecting the loading force of the jack.

In the stress detection system, the control device comprises a controller and a control panel, and the controller is respectively and electrically connected with the first detection mechanism, the second detection mechanism, the loading mechanism and the control panel; the control panel is used for displaying the tensile force and the shearing force of the through-wall bolt.

In the stress detection system, the through-wall bolt further comprises a screw and a second nut, the screw penetrates through the wall-attached support to be connected with the first nut, and the second nut is located at the rear end of the screw; the distance between the first nut and the front surface of the wall body is 40 mm; the second weighing sensor is located between the first nut and the front surface of the wall body.

Has the advantages that:

the utility model provides a atress detecting system, include to attaching the loaded loading mechanism of wall support, can simulate the situation of attaching wall support and wearing wall bolt during operation, through the pulling force when first detection mechanism detects the atress of wearing wall bolt to through the shearing force when second detection mechanism detects the atress of wearing wall bolt, steadiness and reliability when can guaranteeing to wear wall bolt in-service use improve the degree of safety when attached lift scaffold uses.

Drawings

Fig. 1 is a schematic structural diagram of a stress detection system provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a system structure diagram of the force detection system provided by the present invention.

Description of the main element symbols: the device comprises a wall body 1, a wall-attached support 2, a wall-penetrating bolt 3, a screw 31, a first nut 32, a second nut 33, a control device 4, a controller 41, a control panel 42, a first support 51, a first fixed seat 511, a first bolt 512, a second support 52, a second fixed seat 521, a second bolt 522, a first weighing sensor 53, a third support 61, a fourth support 62, a connecting rod 621, a third fixed seat 622, a third bolt 623, a second weighing sensor 63, a jack 71 and a third weighing sensor 72.

Detailed Description

The utility model provides a atress detecting system, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow reference to the attached drawing the utility model discloses do further detailed description.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front" and "rear" are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of description, and should not be construed as limitations of the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.

Referring to fig. 1 to 4, the present invention provides a stress detection system, which includes a wall body 1, a wall-attached support 2, a wall-penetrating bolt 3, a control device 4, and a first detection mechanism, a second detection mechanism and a loading mechanism electrically connected to the control device 4, respectively; the wall-through bolt 3 is used for fixedly arranging the wall-attached support 2 on the wall body 1, and the wall-through bolt 3 penetrates through the wall body 1; a first nut 32 is arranged at the front end of the wall-through bolt 3, the first nut 32 is connected with the wall-attached support 2, and a certain distance is reserved between the first nut 32 and the front surface of the wall body 1; the first detection mechanism is arranged on the rear side of the wall body 1 and used for detecting the tension of the wall bolt 3; the second detection mechanism is arranged on the front side of the wall body 1 and positioned between the first nut 32 and the front surface of the wall body 1, and is used for detecting the shearing force of the wall bolt 3; the loading mechanism is connected with the wall-attached support 2 and is used for loading the wall-attached support 2.

According to the stress detection system disclosed by the application, in the actual detection process, the wall body 1 and the wall-attached support 2 are kept unchanged, and the wall-penetrating bolts to be detected are continuously replaced so as to realize the stress detection of a plurality of wall-penetrating bolts to be detected; when the wall attachment support 2 is detected, the loading mechanism loads the wall attachment support 2, and the stress situation of the wall attachment support 2 and the wall penetrating bolt 3 during working can be simulated; the method comprises the following steps of detecting the tensile force of a through-wall bolt when the through-wall bolt is stressed by adopting a first detection mechanism, and detecting the shearing force of the through-wall bolt when the through-wall bolt is stressed by adopting a second detection mechanism; first detection mechanism and second detection mechanism feed back the pulling force data and the shearing force data that detect to controlling means 4, and controlling means 4 judges whether pulling force and shearing force accord with operation requirement, steadiness and reliability when can ensure 3 actual uses of through-wall bolt, the degree of safety when improving the inserted lift scaffold and using.

In the actual detection process, the wall body is preferably made of concrete, so that the problem that the wall body is damaged due to compression is avoided, and the detection process is effectively and safely carried out.

In other embodiments, a strain gauge may be disposed on the wall-attached support 2, and a stress test is performed through the strain gauge to observe the stress degree of the wall-attached support 2.

Further, referring to fig. 1, 2 and 4, the first detecting mechanism includes a first load cell 53, a first bracket 51 and a second bracket 52; the first bracket 51 is fixedly connected with the rear surface of the wall body 1, the second bracket 52 is fixedly connected with the first bracket 51, and the first bracket 51 and the second bracket 52 are used for fixing the first weighing sensor 53; the first weighing sensor 53 is electrically connected with the control device 4 and is used for detecting the tension of the wall bolt 3; in one embodiment, the first load cell 53 is a tension-type load cell.

In one embodiment, the first bracket 51 is bolted to the wall 1, and the second bracket 52 is bolted to the first bracket 51; when the stress detection is required, the quick assembly of the first bracket 51 and the second bracket 52 can be realized.

Further, referring to fig. 1, fig. 2 and fig. 4, the first bracket 51 includes a first fixing seat 511 and a first bolt 512, and the second bracket 52 includes a second fixing seat 521 and a second bolt 522; the first bolt 512 is used for fixing one end of the first weighing sensor 53 in the first fixing seat 511, and the second bolt 522 is used for fixing the other end of the first weighing sensor 53 in the second fixing seat 521; in one embodiment, the second fixing base 521 includes a first fixing plate and a second fixing plate respectively connected to the first fixing base 511, and the first fixing plate and the second fixing plate are disposed opposite to each other in an up-down direction; the rear end of the first fixing plate is provided with a first connecting hole, the rear end of the second fixing plate is provided with a second connecting hole, the second bolt 522 is fixedly connected with the first connecting hole and the second connecting hole respectively, and the second bolt 522 fixedly fixes the other end of the first weighing sensor 53 in the second fixing seat 521; the rear end of the through-wall bolt 3 is respectively abutted against the front end of the first fixing plate and the front end of the second fixing plate.

Further, referring to fig. 1, 3 and 4, the second detecting mechanism includes a second load cell 63, a third bracket 61 and a fourth bracket 62; the third bracket 61 is fixedly connected with the front surface of the wall 1, the fourth bracket 62 is fixedly connected with the third bracket 61, and the fourth bracket 62 is used for fixing the second weighing sensor 63; the second weighing sensor 63 is electrically connected with the control device 4 and is used for detecting the shearing force of the through-wall bolt 3; in one embodiment, the second load cell 63 is a tension-type load cell; the third support 61 is connected with the wall body 1 through bolts, and when stress detection is needed, the third support 61 can be installed quickly.

Further, referring to fig. 1, fig. 3 and fig. 4, the fourth bracket 62 includes a connecting rod 621, a third fixing seat 622 and a third bolt 623, one end of the connecting rod 621 is fixedly connected to the third bracket 61, the other end of the connecting rod 621 is fixedly connected to the third fixing seat 622, the third bolt 623 is used to fix one end of the second weighing sensor 63 in the third fixing seat 622, and the other end of the second weighing sensor 63 is located between the front end of the wall bolt 3 and the front surface of the wall body 1; in one embodiment, one end of the connecting rod 621 is bolted to the fourth bracket 62, and the other end of the connecting rod 621 is welded to the third fixing seat 622.

Further, referring to fig. 1 and 4, the loading mechanism includes a jack 71 and a third weighing sensor 72 electrically connected to the control device 4, respectively, and the jack 71 is connected to the wall-attached support 2 for loading the wall-attached support 2; the third weighing sensor 72 is arranged in the jack 71 and used for detecting the loading force of the jack 71; in one embodiment, the jack 71 is a hydraulic jack, and the maximum loading of the jack 71 is 10 tons according to the detection requirement; the third weighing sensor 72 is a tension type weighing sensor; the third weighing sensor 72 is arranged to detect the loading condition of the jack 71, so that the loading of the jack 71 meets the detection requirement, and the validity of the detection result is improved.

Further, referring to fig. 4, the control device 4 includes a controller 41 and a control panel 42, the controller 41 is electrically connected to the first detection mechanism, the second detection mechanism, the loading mechanism and the control panel 42, the controller 41 is configured to coordinate stress detection work of the wall-attached support and the wall-through bolt, when detection is needed, the controller 41 controls the jack 71 to start working, and the third weighing sensor 72 obtains the loading condition of the jack 71 in real time; after the jack 71 starts to work, the controller 41 controls the first weighing sensor 53 to start to acquire tension data and controls the second weighing sensor 63 to start to acquire shear force data; the control panel 42 is used for displaying the tensile force and the shearing force of the through-wall bolt 3; in one embodiment, the controller 41 includes a control circuit board, on which a plurality of control chips are disposed; the control panel 42 is provided with a control button for realizing the start or stop of the stress detection work, and a display screen for displaying the tension data, the shearing force data and the jack loading data.

Further, referring to fig. 1 to 3, the wall-through bolt 3 further includes a screw 31 and a second nut 33, the screw 31 passes through the wall-attached support 2 and is connected with the first nut 32, and a gasket is disposed at a connection position of the first nut 32 and the wall-attached support 2 to improve connection stability of the wall-through bolt and the wall-attached support; the second nut 33 is positioned at the rear end of the screw 31; the distance between the first nut 32 and the front surface of the wall body 1 is 40 mm; the second weighing sensor 63 is positioned between the first nut 32 and the front surface of the wall body 1, and the second weighing sensor 63 is in contact with the screw 31; in the process of detecting the shearing force, the through-wall bolt 3 can only contact with the second weighing sensor 63, so that enough space is reserved for accommodating the second weighing sensor 63 to realize the detection of the shearing force; in addition, during the detection process, the wall penetrating bolt 3 cannot be contacted with the inner wall of the bolt hole in the wall body 1; when detection is needed, the screw 31 of the wall bolt 3 penetrates through the bolt hole in the wall body 1 to be connected with the second nut 33, the second nut 33 is located on the rear side of the wall body 1, and the second nut 33 is abutted to the first fixing plate and the second fixing plate of the second fixing seat 521 respectively.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A stress detection system is characterized by comprising a wall body, a wall-attached support, a wall-penetrating bolt, a control device, a first detection mechanism, a second detection mechanism and a loading mechanism, wherein the first detection mechanism, the second detection mechanism and the loading mechanism are respectively and electrically connected with the control device; the wall-penetrating bolt is used for fixedly arranging the wall-attached support on the wall body, and penetrates through the wall body; a first nut is arranged at the front end of the through-wall bolt and connected with the wall-attached support, and a certain distance is reserved between the first nut and the front surface of the wall body; the first detection mechanism is arranged on the rear side of the wall body and used for detecting the tension of the wall-through bolt; the second detection mechanism is arranged on the front side of the wall body, is positioned between the first nut and the front surface of the wall body, and is used for detecting the shearing force of the wall-through bolt; the loading mechanism is connected with the wall-attached support and used for loading the wall-attached support.

2. The force detection system of claim 1, wherein the first detection mechanism comprises a first load cell, a first bracket, and a second bracket; the first support is fixedly connected with the rear surface of the wall body, the second support is fixedly connected with the first support, and the first support and the second support are used for fixing the first weighing sensor; the first weighing sensor is electrically connected with the control device and used for detecting the tensile force of the through-wall bolt.

3. The force detection system of claim 2, wherein the first bracket comprises a first anchor block and a first pin, and the second bracket comprises a second anchor block and a second pin; the first bolt is used for fixedly arranging one end of the first weighing sensor in the first fixing seat, and the second bolt is used for fixedly arranging the other end of the first weighing sensor in the second fixing seat.

4. The force detection system of claim 1, wherein the second detection mechanism comprises a second load cell, a third bracket, and a fourth bracket; the third support is fixedly connected with the front surface of the wall body, the fourth support is fixedly connected with the third support, and the fourth support is used for fixing the second weighing sensor; the second weighing sensor is electrically connected with the control device and used for detecting the shearing force of the through-wall bolt.

5. The stress detection system of claim 4, wherein the fourth bracket comprises a connecting rod, a third fixing seat and a third bolt, one end of the connecting rod is fixedly connected with the third bracket, the other end of the connecting rod is fixedly connected with the third fixing seat, the third bolt is used for fixedly arranging one end of the second weighing sensor in the third fixing seat, and the other end of the second weighing sensor is located between the front end of the through-wall bolt and the front surface of the wall body.

6. The force detection system of claim 1, wherein the loading mechanism comprises a jack and a third weighing sensor electrically connected to the control device, respectively, the jack being connected to the wall-attached support for loading the wall-attached support; the third weighing sensor is arranged in the jack and used for detecting the loading force of the jack.

7. The force detection system of claim 1, wherein the control device comprises a controller and a control panel, the controller is electrically connected to the first detection mechanism, the second detection mechanism, the loading mechanism and the control panel respectively; the control panel is used for displaying the tensile force and the shearing force of the through-wall bolt.

8. The force detection system of claim 4, wherein the wall bolt further comprises a threaded rod and a second nut, the threaded rod passes through the wall attachment support to be connected with the first nut, and the second nut is located at the rear end of the threaded rod; the distance between the first nut and the front surface of the wall body is 40 mm; the second weighing sensor is located between the first nut and the front surface of the wall body.