CN215768012U

CN215768012U - Nondestructive fixed field load test device

Info

Publication number: CN215768012U
Application number: CN202120800372.8U
Authority: CN
Inventors: 廖拓; 蔡维; 陆一晨; 莫卓凯
Original assignee: Guangdong Construction Project Quality Safety Inspection Station Co ltd
Current assignee: Guangdong Construction Project Quality Safety Inspection Station Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-02-08
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a nondestructive fixed field load test device which comprises an air bag, wherein one side of the air bag is in contact with a plate to be tested, the other side of the air bag is in contact with a reverse supporting assembly, an adsorption assembly is arranged at the lower part of the reverse supporting assembly, the reverse supporting assembly is stably adsorbed on the ground by the adsorption assembly, and the air bag is expanded to apply test pressure to the plate to be tested to realize load test. The nondestructive fixed field load test device provided by the utility model is provided with the air bag and the counter-force supporting component, the adsorption component is arranged below the counter-force supporting component, the counter-force supporting component compresses the air bag to ensure that the air bag provides a test force equivalent to the expansion degree of the air bag, and the adsorption component adsorbs the counter-force supporting component on the ground to prevent the counter-force supporting component from moving and ensure the accuracy of the test.

Description

Nondestructive fixed field load test device

Technical Field

The utility model relates to the technical field of building load testing devices, in particular to a nondestructive fixed field load testing device.

Background

The quality detection technology of the building curtain wall is developed rapidly in recent years, most of the original detection methods are laboratory detection methods, and guarantee is provided for design verification of the building curtain wall. In recent years, the detection requirements of building curtain wall engineering are increasing day by day, engineering detection technologies are continuously proposed and improved, some new detection technologies and methods are verified and developed in actual engineering detection, relatively improved curtain wall product quality detection standard systems are gradually formed, positive promotion effects on improvement of the quality of building curtain wall products in China are achieved, and meanwhile, the standards are also suitable for building curtain wall engineering of new construction, reconstruction and extension, and are mainly verified and detected in the design stage. However, with the application of a large number of building curtain walls, the engineering quantity of the existing curtain walls is gradually increased, and due to the fact that the design and construction standards of the early building curtain walls are not perfect and the materials and the technology are lagged behind, the curtain walls have many hidden dangers, even if the curtain walls are normally used, regular inspection and maintenance are needed, and due to the particularity of the curtain wall engineering, the method for detecting the engineering quality of the existing curtain walls is seriously lacked, especially the detection on the wind pressure resistance of the existing curtain walls.

The technology disclosed in the application publication No. CN102095568A discloses an equivalent static load detection method for on-site wind pressure resistance performance and a detection device thereof provides a method for solving the problems, namely, one side of the curtain wall component to be tested is provided with a parallel reaction force supporting frame, a gap is left between the reaction force supporting frame and the curtain wall component to be tested, the gasbag has been placed in the space between counter-force support frame and the curtain component of being surveyed, one side of gasbag is pasted with the side of being surveyed the curtain component, the opposite side is pasted with the counter-force support frame, the suction nozzle and the air pump of gasbag are connected, the gasbag still links to each other with a pressure gauge through the trachea, the opposite side parallel of being surveyed the curtain component is equipped with the mount, be provided with the displacement meter between being surveyed curtain component and the mount, the stiff end and the mount fixed connection of displacement meter, the expansion end contacts with being surveyed the curtain component, provide the testing force through aerifing the gasbag. However, the reaction force support frame in this apparatus is not only structurally fixed, but also needs to be transported as a whole to a site of a construction site for detection, which is difficult to install, time-consuming and labor-consuming, and the reaction force support frame is fixed to the ground or a floor slab by using expansion bolts, which may damage the ground or the floor slab.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a nondestructive fixed field load test device.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a harmless fixed on-spot load test device, includes the gasbag, one side of gasbag with await measuring panel contact, opposite side and anti-supporting component contact, the lower part of anti-supporting component is equipped with adsorption component, adsorption component will be anti-supporting component and stably adsorb subaerial, test pressure is exerted to the panel that awaits measuring after the gasbag inflation realizes the load test.

Further, the anti-supporting component comprises a base, a plane supporting plate is arranged on the base, an oblique supporting frame is arranged on the outer side of the plane supporting plate, one end of the oblique supporting frame is connected with the plane supporting plate, the other end of the oblique supporting frame is connected with the base, and the base, the plane supporting plate and the oblique supporting frame form the anti-supporting component which is triangular in shape.

Furthermore, a plane support frame is arranged on the base, the plane support frame is a square frame, the lower end of the plane support frame is fixed on the base, and the plane support plate is detachably fixed on the plane support frame.

Further, the base comprises a plurality of bottom supporting rods which are arranged in sequence, and the end parts of the bottom supporting rods are detachably connected with the lower parts of the plane supporting frames.

Furthermore, the slant support frame includes a plurality of atress branches, the upper end and the plane support frame of atress branch can be dismantled and be connected, and the connection can be dismantled to lower extreme and one of them bottom branch.

Furthermore, the plane supporting plate comprises a plurality of grid frames which are spliced with each other, and the splicing mode is detachable splicing.

Further, adsorption component includes mounting structure, the mounting structure lower extreme is connected with damper, damper's lower extreme is connected with the sucking disc, mounting structure's upper end and base are connected, the sucking disc adsorbs subaerial, and then fixes whole anti-supporting component stably in one side of gasbag.

Further, damper includes the shock attenuation shell, the below of shock attenuation shell is equipped with support piece, support piece's upper end slidingtype setting is in the shock attenuation shell, and the lower extreme is connected with the sucking disc.

Further, support piece includes the bracing piece, the upper end of bracing piece is connected with first plate body, and the lower extreme is connected with the second plate body, the spout has been seted up on the inner wall of shock attenuation shell, the both ends of first plate body all set up in the spout to make a round trip to slide along the spout, just be equipped with the second spring between the inner wall of first plate body and shock attenuation shell.

Further, the sucking disc comprises a metal tray, the buffer pad is fixed at the lower end of the metal tray and is located on the same axis with the metal tray, and the metal tray is further provided with vent holes.

The utility model has the beneficial effects that:

(1) the nondestructive fixed field load test device provided by the utility model is provided with the air bag and the counter-force supporting component, the adsorption component is arranged below the counter-force supporting component, the counter-force supporting component compresses the air bag to ensure that the air bag provides a test force equivalent to the expansion degree of the air bag, and the adsorption component adsorbs the counter-force supporting component on the ground to prevent the counter-force supporting component from moving and ensure the accuracy of the test.

(2) Reaction supporting component base, bearing diagonal slant support frame comprise a plurality of straight-bars to can dismantle the connection each other, reduced reaction supporting component's volume, the convenience removes reaction supporting component to the test position, and it is more convenient to use.

(3) The counter-force supporting component is fixedly adsorbed through the adsorption component, expansion bolts are prevented from being connected, the field ground cannot be damaged, the later maintenance is avoided, the loss is reduced, and the cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a nondestructive fixed field load testing apparatus of the present invention;

FIG. 2 is a front view of the planar support of the present invention;

fig. 3 is a partial cross-sectional view of the suction cup mount of the present invention.

In the figure: 1-air bag, 2-anti-support component, 21-plane support frame, 22-plane support plate, 23-bottom support rod, 24-stress support rod, 3-electric inflator pump, 4-pressure sensor, 5-adsorption component, 51-mounting bolt, 52-shock absorption component, 521-shock absorption shell, 522-first plate body, 523-second spring, 524-chute, 53-support piece, 54-second plate body, 55-first spring, 56-suction cup, 561-metal tray, 562-sealing ring, 563-buffer pad, 564-vent hole, 6-air extractor, 61-air extractor, 62-first switch valve, 63-first switch valve, 64-vacuum pressure gauge and 7-plate to be tested.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-3, the nondestructive fixed field load testing apparatus provided by the present invention includes an air bag 1, one side of the air bag 1 contacts with a plate 7 to be tested, the other side contacts with a counter support assembly 2, an adsorption assembly 5 is disposed at the lower part of the counter support assembly 2, and the adsorption assembly 5 stably adsorbs the counter support assembly 2 to the ground.

Specifically, gasbag 1 and electronic pump 3 are connected, and electronic pump 3 inflates it, and inside a large amount of gas got into gasbag 1, make gasbag 1 volume take place to expand, and then exert the effort to fixing the panel 7 that awaits measuring of its one side, and this effort is the testing force promptly, and the different inflation degree of gasbag 1 decides the size of testing force. The air bag 1 is also provided with a pressure sensor 4 for testing the pressure inside the air bag 1.

The expansion of the air bag 1 also applies acting force to the anti-support component 2 fixed on the other side of the air bag, meanwhile, the anti-support component 2 applies anti-support force to the air bag 1, the air bag 1 is ensured to output test force equivalent to the expansion degree of the air bag, and the test effectiveness is ensured, so that the stability of the anti-support component 2 is very important.

In short, the stability of anti-supporting component 2 divide into the stability of subassembly structure itself and with the stability of ground connection, subassembly itself is stable, is difficult for taking place deformation to with ground stable connection, do not take place to shift, just can guarantee the accuracy of test.

Anti-supporting component 2 includes the base, is equipped with plane backup pad 22 on the base, and the outside of plane backup pad 22 is equipped with the slant support frame, and slant support frame one end and plane backup pad 22 are connected, and the other end and base are connected, and the anti-supporting component 2 shape that base, plane backup pad 22, slant support frame three formed is triangle-shaped, and its structure is more stable, is difficult for taking place deformation.

Further, a plane support frame 21 is arranged on the base, the plane support frame 21 is a square frame, the lower end of the plane support frame is fixed on the base, and the plane support plate 22 is detachably fixed in the plane support frame 21, for example, by fastening, screwing and the like. Therefore, the plane support plate 22 can be detached from the plane support frame 21.

Referring to fig. 2, the planar supporting plate 22 includes a plurality of grid frames that are detachably connected, such as by fastening, screwing, etc. The advantage of splicing each other is that can dismantle, reduce its volume, be convenient for remove to the test position.

Specifically, referring to fig. 1, the base includes a plurality of bottom struts 23 arranged in sequence, and the ends of the bottom struts 23 are detachably connected to the lower portion of the planar support frame 21, which may also be fastened or screwed.

The inclined support frame comprises a plurality of stress supporting rods 24, the upper ends of the stress supporting rods 24 are detachably connected with the plane support frame 21, and the lower ends of the stress supporting rods 24 are detachably connected with one bottom supporting rod 23.

In short, the base is composed of a plurality of bottom supporting rods 23, the inclined supporting frame 23 is composed of a plurality of stress supporting rods 23, the plane supporting frame 21, the bottom supporting rods 23 and the stress supporting rods 24 are detachably connected, the inclined supporting frame and the base can be divided into a plurality of independent straight rods, the size of the device is further reduced, and the device is lighter and convenient to carry.

Further, the included angle between the stressed strut 24 and the plane support frame 21 is ≤ a, and the included angle between the stressed strut 24 and the bottom strut 23 is ≤ B, wherein ≤ a and ≤ B satisfy the following relationship: angle a + angle B is equal to 90 °, and angle a is equal to 45 °.

At this moment, the whole surface of the plane support frame 21 can be contacted with the plate 7 to be tested, the maximum force application surface can be provided, the air bag 1 is ensured to be fully contacted with the plate 7 to be tested, and the testing accuracy is improved.

The adsorption component 5 is arranged below the base and used for stably adsorbing the base on the ground and preventing the base from being displaced due to acting force applied to the base by the expansion of the air bag 1.

Adsorption component 5 includes mounting structure, and the mounting structure lower extreme is connected with damper 52, and damper 52's lower extreme is connected with sucking disc 56, and mounting structure's upper end and base are connected, and sucking disc 56 adsorbs subaerial, and then fixes one side at gasbag 1 with whole anti-supporting component 2 is stable.

Specifically, referring to fig. 3, the mounting structure is a mounting bolt 51, the end of which is threaded through the base and the buffer structure, so as to mount the whole adsorption assembly 5 under the base.

The shock absorbing assembly 52 comprises a shock absorbing shell 521, a supporting member 53 is arranged below the shock absorbing shell 521, the upper end of the supporting member 53 is slidably arranged in the shock absorbing shell 521, and the lower end is connected with the suction cup 56.

Particularly, the support member 53 includes a support rod, the upper end of the support rod is connected with a first plate body 522, the lower end of the support rod is connected with a second plate body 54, a sliding groove 524 is formed in the inner wall of the damping shell 521, and both ends of the first plate body 522 are arranged in the sliding groove 524 and slide back and forth along the sliding groove 524.

Further, a first spring 55 is arranged between the second plate 54 and the damping shell 521, a second spring 523 is arranged between the first plate 522 and the inner wall of the damping shell 521, and the first spring 55 and the second spring 523 slow down the speed of relative movement between the support assembly 53 and the damping shell 521, so that the damping function is realized.

The suction cup 56 includes a metal tray 561, a cushion pad 563 fixed to the lower end of the metal tray 561 and located on the same axis with the metal tray 561, and a vent hole 564 formed on the metal tray 561.

The damping component 52 is connected with the suction cup 56 through the second plate 54 in a screw connection mode, in order to enhance the sealing performance of the suction cup 56 and block the screw gap, a sealing ring 562 is arranged at the position, provided with the screw, of the metal tray 561.

The suction cup 56 is connected to the suction device 6 through a vent hole 564, and the suction device 6 sucks the gas in the suction cup 56 to be in a negative pressure state, so as to be adsorbed on the ground.

The air extracting device 6 comprises an air extractor 61, a first switch valve 62, a second switch valve 63 and a vacuum pressure gauge 64, wherein the first switch valve 62, the second switch valve 63 and the vacuum pressure gauge 64 are all fixed on the air extractor 61.

The working principle is as follows:

when the device is used, the anti-support assembly 2 is firstly assembled and placed on one side of the plate 7 to be tested, the air bag 1 is placed between the anti-support assembly and the plate 7 to be tested, the air in the suction cup 56 is extracted by the air extractor 6, the suction cup 56 is stably adsorbed on the ground, the air bag 1 is inflated, the air bag 1 is expanded, and the expanded air bag 1 applies testing pressure to the plate 7 to be tested to realize load testing.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides a harmless fixed on-the-spot load test device which characterized in that: including gasbag (1), one side and the examination of gasbag (1) are waited to test panel (7) and are contacted, and opposite side and anti-supporting component (2) contact, the lower part of anti-supporting component (2) is equipped with adsorption component (5), adsorption component (5) will be anti-supporting component (2) and stably adsorb subaerial, gasbag (1) inflation back is to waiting to test panel (7) and exert test pressure and realize the load test.

2. The non-destructive fixed field load testing apparatus of claim 1, wherein: the anti-support assembly (2) comprises a base, a plane support plate (22) is arranged on the base, an oblique support frame is arranged on the outer side of the plane support plate (22), one end of the oblique support frame is connected with the plane support plate (22), the other end of the oblique support frame is connected with the base, and the base, the plane support plate (22) and the oblique support frame form the anti-support assembly (2) with a triangular shape.

3. The non-destructive fixed field load testing apparatus of claim 2, wherein: the base is provided with a plane support frame (21), the plane support frame (21) is a square frame, the lower end of the plane support frame is fixed on the base, and the plane support plate (22) can be detachably fixed on the plane support frame (21).

4. A non-destructive fixed field load testing apparatus as defined in claim 3, wherein: the base comprises a plurality of bottom supporting rods (23) which are arranged in sequence, and the end parts of the bottom supporting rods (23) are detachably connected with the lower part of the plane supporting frame (21).

5. The non-destructively fixed field load testing apparatus of claim 4, wherein: the slant support frame includes a plurality of atress branch (24), the upper end and the plane support frame (21) of atress branch (24) can be dismantled and be connected, and the connection can be dismantled to lower extreme and one of them bottom branch (23).

6. A non-destructive fixed field load testing apparatus as defined in claim 3, wherein: the plane supporting plate (22) comprises a plurality of grid frames which are spliced with each other in a detachable mode.

7. The non-destructive fixed field load testing apparatus of claim 1, wherein: adsorption component (5) includes mounting structure, the mounting structure lower extreme is connected with damper (52), damper (52)'s lower extreme is connected with sucking disc (56), mounting structure's upper end and base are connected, sucking disc (56) adsorb subaerial, and then stably fix one side at gasbag (1) with whole anti-supporting component (2).

8. The non-destructively fixed field load testing apparatus of claim 7, wherein: the shock absorption assembly (52) comprises a shock absorption shell (521), a support piece (53) is arranged below the shock absorption shell (521), the upper end of the support piece (53) is arranged in the shock absorption shell (521) in a sliding mode, and the lower end of the support piece is connected with the sucker (56).

9. The non-destructively fixed field load testing apparatus of claim 8, wherein: support piece (53) include the bracing piece, the upper end of bracing piece is connected with first plate body (522), and the lower extreme is connected with second plate body (54), spout (524) have been seted up on the inner wall of shock attenuation shell (521), the both ends of first plate body (522) all set up in spout (524) to slide back and forth along spout (524), just be equipped with second spring (523) between the inner wall of first plate body (522) and shock attenuation shell (521).

10. The non-destructively fixed field load testing apparatus of claim 9, wherein: the sucking disc (56) comprises a metal tray (561), the buffer pad (563) is fixed to the lower end of the metal tray (561) and located on the same axis with the metal tray (561), and a vent hole (564) is further formed in the metal tray (561).