Building structure nondestructive testing probe fixing device
By combining vacuuming with a wrapping airbag and a compression airbag, the problem of unstable probe fixation is solved, achieving efficient, accurate and reliable fixation for non-destructive testing of building structures. This simplifies the device structure and reduces costs and failure risks.
Patent Information
- Application Number
- CN202520284239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-21
AI Technical Summary
In existing technologies, the methods for fixing probes for non-destructive testing of building structures suffer from problems such as instability when manually held, cumbersome operation of mechanical clamps which are easily affected by external vibrations, difficulty in achieving accurate data acquisition over long periods, difficulty in fixing probes of different shapes and sizes, and difficulty in stably fixing mechanical clamps on complex surfaces, which affects the accuracy of the test.
The device employs a combination of vacuum extraction and encapsulation airbags, along with a compression airbag structure. It is fixed to the building surface by a sealing ring. The pressure encapsulation airbag and compression airbag are adjusted according to the shape and size of the probe to achieve stable fixation of the probe.
It achieves stable probe fixation, simplifies the structure of the fixing device, improves the accuracy and efficiency of detection, reduces production costs and failure risks, and is suitable for fixing different types of probes.
Smart Images
Figure CN223637495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building detection technical field, concretely is a kind of building structure nondestructive testing probe fixing device. BACKGROUND
[0002] In the nondestructive testing work of building structure, the fixing of detection probe is crucial, and its fixing effect directly affects the accuracy and reliability of detection result.
[0003] When long-time detection and data collection of building structure are needed, manual fixed mode is difficult to realize long-time fixing, and the accurate stability of probe position in detection process cannot be guaranteed, thereby introducing artificial error. When mechanical clamp is used for fixing, different shapes and sizes of probes often need to be frequently replaced, which is tedious and inefficient. Mechanical clamp is difficult to realize stable fixing on the surface of some complex building structures, and is easily disturbed by external vibration, resulting in probe displacement in detection process and affecting the precision of detection data. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a kind of building structure nondestructive testing probe fixing device.
[0005] In order to realize the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] A kind of building structure nondestructive testing probe fixing device, including fixed seat and the compression plate of sliding installation in the inside of fixed seat;
[0007] The bottom of the fixed seat is provided with a sealing ring, and the side surface of the fixed seat is provided with a vacuum extraction port connected with a vacuum pump;
[0008] The lower part of the compression plate is provided with a push plate sliding along the radial direction thereof and used for fixing the probe, and the side of the push plate facing the central axis of the fixed seat is provided with a wrapping air bag used for wrapping the probe;
[0009] The inner wall of the fixed seat is rotatably connected with an extrusion sleeve, one end of the extrusion sleeve away from the inner wall of the fixed seat is provided with an extrusion rod, the side wall of the extrusion sleeve is provided with an air vent communicating with the inner cavity of the fixed seat, and an extrusion air bag is arranged in the extrusion sleeve;
[0010] The extrusion air bag expands in the environment with reduced external air pressure, and after expansion, it extends along the length direction of the extrusion sleeve, pushes the extrusion rod to extend, and drives the push plate to move towards the central axis of the fixed seat;
[0011] The wrapping air bag expands in the environment with reduced external air pressure, and after expansion, it extends to both sides to wrap the probe placed on the side surface.
[0012] Preferably, the push plate is arranged as an arc-shaped plate, and the wrapping air bag is arranged as an arc-shaped air bag, and the middle part of the wrapping air bag is outwardly bulged after inflation.
[0013] Preferably, a pressing sleeve is hung on the top of the fixing seat, a pressing rod is arranged on the upper part of the pressing plate and is in mutual butt joint with the pressing sleeve, and a compression spring is arranged in the pressing sleeve and is connected with the top end of the pressing rod.
[0014] Preferably, a rotating seat one is arranged on the inner wall of the fixing seat and is rotationally connected with the end of the extrusion sleeve, and a support block is arranged on the side surface of the push plate, and a rotating seat two is arranged on the support block and is rotationally connected with the end of the extrusion rod.
[0015] Preferably, the support block is arranged as a trapezoidal block, the rotating seat two is arranged on the trapezoidal surface arranged in an upward inclination of the support block, and a triangular reinforcing plate is arranged on the lower part of the support block and is fixedly connected with the push plate.
[0016] Preferably, a sliding groove is arranged on the pressing plate along the radial direction of the pressing plate, and a guide rod is arranged in the sliding groove; a sliding block is arranged on the top of the push plate, the sliding block is clamped in the sliding groove, and the guide rod passes through the sliding block.
[0017] Preferably, a threading hole is arranged on the pressing plate.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] 1. The probe is fixed in the fixing seat and the fixing seat is fixed on the building plane by the vacuumizing mode, no extra structure is introduced, the structure of the whole fixing device is greatly simplified, the production and manufacturing difficulty and cost are reduced, the fault points caused by the complex structure are reduced, and the overall reliability of the device is improved.
[0020] 2. The push plate slides along the radial direction of the pressing plate, and the wrapping air bag arranged on the push plate can flexibly adjust the wrapping mode of the probe when the wrapping air bag is inflated according to the actual shape and size of the probe, the clamps do not need to be frequently replaced like the traditional mechanical clamps, and the applicability to different types of probes is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] The disclosure of the utility model will be described with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:
[0022] Figure 1 The structure of the utility model is shown Figure 1 ;
[0023] Figure 2 Structure diagram of the utility model Figure 2 ;
[0024] Figure 3 Structure diagram of the utility model's fixing seat
[0025] Figure 4 Structure diagram of the utility model's pressing plate, push plate, wrapping air bag and extrusion sleeve.
[0026] Marked in the figure: 1, fixing seat; 11, sealing ring; 12, vacuum port; 13, threading port; 14, rotating seat one; 15, pressing sleeve; 2, pressing plate; 21, threading hole; 22, pressing rod; 23, sliding slot; 24, guide rod; 3, push plate; 31, sliding block; 32, support block; 33, rotating seat two; 34, reinforcing plate; 4, wrapping air bag; 5, extrusion sleeve; 51, extrusion rod; 52, air vent. DETAILED DESCRIPTION
[0027] It is easy to understand that according to the technical scheme of the utility model, a person skilled in the art can propose a plurality of structure modes and implementation modes that can be replaced with each other without changing the utility model's essential spirit. Therefore, the following detailed description and the drawings are only exemplary description of the utility model's technical scheme, and should not be regarded as the whole of the utility model or regarded as limiting or restricting the utility model's technical scheme.
[0028] EMBODIMENT
[0029] As Figure 1 shown, a building structure nondestructive testing probe fixing device includes a fixing seat 1 and a pressing plate 2 slidingly installed inside the fixing seat 1.
[0030] The fixing seat 1 is the basic support structure of the whole device, and a space suitable for the pressing plate 2 to slide is designed inside the fixing seat 1; the probe to be detected is placed in the fixing seat 1 and below the pressing plate 2 when fixed, ensuring that the probe is located between the push plates 3, and the push plates 3 slide along the radial direction of the pressing plate 2, which provides flexible adjustment space for subsequent probe fixing.
[0031] The fixing seat 1 side is provided with a vacuum port 12 connected with a vacuum pump, and the vacuum port 12 is the key to realize the fixing of the fixing seat 1, the building plane and the probe. The fixing seat 1 bottom is provided with a sealing ring 11, which is tightly attached to the detection plane of the building structure.
[0032] The air between the fixing base 1 and the building plane is extracted through the vacuum extraction port 12. With the continuous extraction of air, the air pressure inside the fixing base 1 gradually decreases, and under the action of the external atmospheric pressure, the fixing base 1 is adsorbed on the building plane due to the sealing performance of the sealing ring 11, thereby completing the stable fixation of the fixing base 1 on the building plane.
[0033] Please refer to Figure 2 、 Figure 4 When the internal air pressure of the fixing base 1 is reduced by vacuum extraction, the air pressure change also acts on the environment in which the extrusion sleeve 5 and the wrapping air bag 4 are located. With the decrease of the external air pressure, the extrusion air bag begins to expand, and since it is arranged in the extrusion sleeve 5, it will only extend along the length direction of the extrusion sleeve 5 after expansion. The extrusion sleeve 5 is rotationally connected to the inner wall of the fixing base 1 through the rotating seat one 14. This rotationally connected mode provides flexibility for the movement of the extrusion sleeve 5, and the expansion of the extrusion air bag pushes the extrusion rod 51 to extend out.
[0034] The air vent 52 can keep the air pressure in the extrusion sleeve 5 and the air pressure in the inner cavity of the fixing base 1 synchronous change. This ensures that the extrusion air bag is in the correct air pressure environment, thereby normally expanding and contracting.
[0035] The other end of the extrusion rod 51 is rotationally connected to the support block 32 on the side surface of the push plate 3 through the rotating seat two 33. The support block 32 is arranged as a trapezoidal block, and the upwardly inclined trapezoidal surface thereof can better cooperate with the pushing action of the extrusion rod 51. At the same time, the lower part of the support block 32 is provided with a triangular reinforcing plate 34, the reinforcing plate 34 is fixedly connected with the push plate 3, and the structural stability of the push plate 3 is enhanced, thereby ensuring that the push plate 3 can stably transmit the extrusion force during the fixing of the probe.
[0036] The push plate 3 is provided with a sliding block 31 on the top, and the sliding groove 23 is formed on the radial direction of the pressing plate 2. The sliding block 31 is clamped in the sliding groove 23, and the guide rod 24 passes through the sliding block 31. When the extrusion rod 51 pushes the push plate 3, the sliding block 31 slides in the sliding groove 23, and the guide rod 24 plays a guiding role to ensure that the push plate 3 slides stably along the radial direction of the pressing plate 2. The push plate 3 is arranged as an arc-shaped plate, and during the movement towards the axis of the fixing base 1, the wrapping air bag 4 also begins to expand. The wrapping air bag 4 is arranged as an arc-shaped air bag, and the middle part bulges outward after expansion, thereby tightly wrapping the probe from the side.
[0037] Please refer to Figure 3The fixed seat 1 is hoisted with a pressing sleeve 15 at the top, the pressing plate 2 is provided with a pressing rod 22 which is opposite to the pressing sleeve 15, and a compression spring is arranged in the pressing sleeve 15 and connected with the top end of the pressing rod 22. During the vacuum fixing process, the compression spring generates a certain downward pressure on the pressing rod 22. The pressure can make the pressing plate 2 move downward as a whole, thereby driving the probe which is combined with the pressing plate 2 to move downward synchronously, so that the bottom of the probe is kept horizontal with the bottom of the fixed seat 1, thereby being combined with the building plane, and the normal detection work of the probe is ensured.
[0038] The detection probe needs to be connected with a detection line, and the wire hole 13 arranged at the top of the fixed seat 1 and the wire hole 21 arranged on the pressing plate 2 provide convenience for the line connection. The line can be introduced through the wire hole 13 and then connected with the probe through the wire hole 21. The wire hole 13 is sealed with the line, thereby ensuring the sealing of the inside of the fixed seat 1.
[0039] When the detection work is finished, the fixed seat 1 is inflated, and as the air pressure in the fixed seat 1 gradually recovers to the normal atmospheric pressure, the squeeze air bag and the wrapped air bag 4 lose the effect of the air pressure difference and start to shrink, thereby the fixing mode of the probe starts to fail. At the same time, as the air pressure in the fixed seat 1 recovers, the adsorption force between the fixed seat 1 and the building plane disappears, and the fixing device can be easily taken off at this time, thereby completing the operation of the whole detection process.
[0040] The technical range of the utility model is not limited to the content in the above description, and the above embodiment can be variously deformed and modified by the person skilled in the art without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection range of the utility model.
Claims
1. A non-destructive testing probe holder for a building structure, characterized by: The fixed seat (1) and the pressing plate (2) are arranged in the fixed seat (1). The bottom of the fixed seat (1) is provided with a sealing ring (11), and the side of the fixed seat (1) is provided with a vacuum port (12) connected with a vacuum pump. The lower part of the pressing plate (2) is provided with a push plate (3) sliding along the radial direction of the pressing plate (2) and used for fixing the probe, and the side of the push plate (3) facing the axis of the fixed seat (1) is provided with a wrapping air bag (4) used for wrapping the probe. The inner wall of the fixed seat (1) is rotatably connected with an extrusion sleeve (5), one end of the extrusion sleeve (5) away from the inner wall of the fixed seat (1) is provided with an extrusion rod (51), and the side wall of the extrusion sleeve (5) is provided with a gas inlet (52) communicating with the inner cavity of the fixed seat (1), and an extrusion air bag is arranged in the extrusion sleeve (5). The extrusion air bag expands in an environment with reduced external air pressure, and after expansion, extends along the length direction of the extrusion sleeve (5), pushes the extrusion rod (51) to extend, and drives the push plate (3) to move towards the axis of the fixed seat (1). The wrapping air bag (4) expands in an environment with reduced external air pressure, and after expansion, extends to both sides to wrap the probe placed on the side.
2. The non-destructive testing probe holder of claim 1, wherein: The push plate (3) is arranged as an arc-shaped plate, and the wrapping air bag (4) is arranged as an arc-shaped air bag, and the middle part of the wrapping air bag (4) bulges outward after expansion.
3. The non-destructive testing probe holder of claim 1 or 2, wherein: The top of the fixed seat (1) is provided with a pressing sleeve (15), the upper part of the pressing plate (2) is provided with a pressing rod (22) opposite to the pressing sleeve (15), and the pressing sleeve (15) is provided with a compression spring connected with the top end of the pressing rod (22).
4. The non-destructive testing probe holder of claim 1 or 2, wherein: The inner wall of the fixed seat (1) is provided with a rotating seat one (14) rotatably connected with the end of the extrusion sleeve (5), and the side of the push plate (3) is provided with a supporting block (32), and the rotating seat two (33) is arranged on the supporting block (32) and rotatably connected with the end of the extrusion rod (51).
5. The non-destructive testing probe holder of claim 4, wherein: The supporting block (32) is arranged as a trapezoidal block, the rotating seat two (33) is arranged on the trapezoidal surface of the supporting block (32) arranged upwardly, and the lower part of the supporting block (32) is provided with a triangular reinforcing plate (34) fixedly connected with the push plate (3).
6. The non-destructive testing probe holder of claim 1 or 2, wherein: The pressing plate (2) is provided with a sliding groove (23) along the radial direction of the pressing plate (2), and the sliding groove (23) is provided with a guide rod (24); the top of the push plate (3) is provided with a sliding block (31), the sliding block (31) is clamped in the sliding groove (23), and the guide rod (24) passes through the sliding block (31).
7. The non-destructive testing probe holder of claim 1 or 2, wherein: The top of the fixed seat (1) is provided with a threading port (13), and the pressing plate (2) is provided with a threading hole (21).