CN214539388U - Ultrasonic testing support for concrete test piece - Google Patents
Ultrasonic testing support for concrete test piece Download PDFInfo
- Publication number
- CN214539388U CN214539388U CN202120507050.4U CN202120507050U CN214539388U CN 214539388 U CN214539388 U CN 214539388U CN 202120507050 U CN202120507050 U CN 202120507050U CN 214539388 U CN214539388 U CN 214539388U
- Authority
- CN
- China
- Prior art keywords
- probe
- test piece
- support
- concrete
- ultrasonic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a concrete sample ultrasonic testing support, which relates to the technical field of concrete sample safety detection, wherein a probe mounting seat can slide on a beam through a sliding sleeve, and then the distance between the two probe mounting seats is adjusted, so that the test matching with concrete samples of different sizes is realized; the coaxial alignment of the transmitting probe and the receiving probe can be ensured to be rapid and accurate when the distance is adjusted, and the operation is very simple; due to the arrangement of the scale marks, the distance between the two probe mounting frames can be quickly read, and then the distance between the two probes can be quickly obtained; the telescopic support frame is used for supporting the whole support on a concrete test piece, and can realize the position adjustment of the probe mounting seat relative to the concrete by telescopic adjustment and combination of a walking mechanism so as to ensure that each part of the concrete test piece can be tested; the test piece clamping plate is used as a carrier of the probe mounting seat, and can clamp a concrete test piece to be tested through the elastic contact assembly.
Description
Technical Field
The utility model relates to a concrete sample safety inspection technical field particularly, relates to a standard concrete sample ultrasonic testing support.
Background
In civil engineering, in order to ensure the safety of standard concrete samples (such as concrete columns, rectangular plates, triangular plates and the like) used in engineering, ultrasonic waves are often used for detecting the material distribution uniformity in the concrete samples and whether defects such as air holes, cracks and the like exist. Compared with reflection wave method and refraction wave method, the ultrasonic transmission (direct) method is a simple and best detection method, and its detection range is several times larger than refraction wave method and several tens times larger than refraction wave method, so that its waveform is simple and clear, its interference is less and various waveforms are easy to identify. When the concrete test piece is detected by adopting an ultrasonic transmission (direct) method, the concrete test piece needs to be arranged between the transmitting probe and the receiving probe, the transmitting probe and the receiving probe are always kept on the same central axis, the distance between the transmitting probe and the receiving probe needs to be ensured to be accurately measured, otherwise, the calculated error value is large, and the measurement precision is influenced. At present, for small-sized concrete samples, the distance between two test points needs to be additionally tested by using other auxiliary parts, the coaxial alignment of a probe cannot be quickly and accurately carried out, multiple persons are often needed to carry out the test in a coordinated manner, and the operation is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concrete sample ultrasonic testing support, it can alleviate above-mentioned problem.
In order to alleviate the above-mentioned problem, the utility model discloses the technical scheme who takes as follows:
a concrete specimen ultrasonic testing stand, comprising:
a main support;
one end of the telescopic support frame is fixedly connected with the main support, the other end of the telescopic support frame is provided with a bottom plate, and the bottom plate is provided with a walking structure used for being in contact with the surface of the concrete sample;
the test piece testing frame comprises a guide cross beam and two probe mounting frames, the middle part of the guide cross beam is fixedly connected with the main bracket through a support plate, and the two probe mounting frames are respectively positioned on two sides of the support plate;
the probe mounting rack comprises a sliding sleeve, a test piece clamping plate, an elastic contact assembly and a probe mounting seat,
the sliding sleeve is sleeved on the guide cross beam and is provided with a locking screw, when the locking screw is loosened, the sliding sleeve can slide along the guide cross beam, when the locking screw is locked, the position of the sliding sleeve is kept unchanged on the guide cross beam,
the test piece clamping plate is a strip-shaped plate, one end of the test piece clamping plate is fixedly connected with the sliding sleeve, the other end of the test piece clamping plate is fixedly connected with the probe mounting seat,
the elastic contact assembly is fixed on the test piece clamping plate and is used as a clamping contact piece for clamping a concrete test piece by the test piece clamping plate;
when the ultrasonic transmitting probe and the ultrasonic receiving probe are respectively arranged on the probe mounting seats of the two probe mounting frames, the transmitting probe coaxially faces the ultrasonic receiving probe, and the guide cross beam is provided with scale marks for indicating the distance between the transmitting probe and the ultrasonic receiving probe.
In the scheme, the probe mounting seats can slide on the cross beam through the sliding sleeves, so that the distance between the two probe mounting seats is adjusted, and then the test matching with concrete samples of different sizes is realized; under the guiding action of the beam, the two probe mounting seats are always on the same axis when the distance is adjusted, so that the transmitting probe and the receiving probe can be quickly and accurately coaxially aligned, the distance adjustment and the probe alignment operation can be finished by a single person, and the operation is very simple; the distance between the two probe mounting frames can be quickly read due to the arrangement of the scale marks, so that the distance between the two probes can be quickly obtained, the whole functional structure is simple, and the operation can be finished without other distance testing pieces; the telescopic support frame is used for supporting the whole support on a concrete test piece, and can realize the position adjustment of the probe mounting seat relative to the concrete by telescopic adjustment and combination of a walking mechanism so as to ensure that each part of the concrete test piece can be tested; the test piece clamping plate is used as a carrier of the probe mounting seat, and can clamp a concrete test piece to be tested through the elastic contact assembly, so that the whole support can be stably supported on the concrete test piece, and the concrete test piece can be conveniently tested.
The utility model discloses an in a preferred embodiment, the main support is provided with the handle rubber sleeve to make the operator can comfortable the control live the main support, remove whole support then.
In a preferred embodiment of the present invention, the walking structure is a plurality of parts embedded in the bottom plate and can roll the first rolling balls.
Can support on the concrete sample through the ball, when promoting whole support, the ball rolls, and frictional force is little, and is very laborsaving.
In a preferred embodiment of the present invention, the retractable support is an elastic retractable frame.
This retractable support frame accessible is to support not equidimension pressure in the direction of perpendicular to concrete sample, realizes retractable and adjusts to change the position of probe towards concrete sample.
The utility model discloses an in a preferred embodiment, the retractable support frame is the screw thread regulation expansion bracket, and it includes that supporting screw and urceolus wall are provided with the threaded sleeve of a plurality of beads, supporting screw threaded connection in the threaded sleeve, and stretch out threaded sleeve's one end with main support fixed connection, the bottom plate with threaded sleeve fixed connection.
The telescopic support frame can adjust the telescopic length by rotating the threaded sleeve.
The utility model discloses an in a preferred embodiment, the both ends of guiding beam are provided with a journal stirrup respectively, both journal stirrups through with the parallel supplementary guiding axle of guiding beam is connected, the test piece grip block cup joint in supplementary guiding axle, and can follow supplementary guiding axle slides.
If size design's is unreasonable, at the in-process that the probe mounting bracket removed along the direction crossbeam, what probably rocked is comparatively violent, has consequently designed supplementary guiding axle to improve the mobility stability.
In a preferred embodiment of the present invention, the support plate is detachably and fixedly connected to the main support through a countersunk screw.
In a preferred embodiment of the present invention, the elastic contact assembly includes an outer cylinder, an inner cylinder, a second ball and a spring;
one end of the outer cylinder is closed, the other end of the outer cylinder is opened, the second ball is arranged in the outer cylinder, a limiting shaft is coaxially arranged, one end of the limiting shaft is fixedly connected with the closed end of the outer cylinder, and the spring is sleeved on the limiting shaft;
the inner cylinder is sleeved on the limiting shaft and can reciprocate along the length direction of the limiting shaft, one end of the spring abuts against the end wall of one end of the inner cylinder, and the other end of the inner cylinder is closed and is in contact with the second ball;
the diameter of the second ball is larger than the caliber of the opening end of the outer cylinder, and the second ball is partially protruded out of the opening of the outer cylinder under the action of the inner cylinder to be used as a clamping contact part for clamping a concrete sample;
the outer cylinder is fixed with the mounting panel, the mounting panel is provided with the screw connection hole to through the screw with fixed connection can be dismantled to the test piece grip block.
The elastic contact subassembly that this scheme designed can follow and carry the concrete sample as the holder for whole support stability is better, also can assist running gear, makes whole support more stable at the removal in-process.
In a preferred embodiment of the present invention, each of the test piece clamping plates is provided with two contact assembly mounting holes, and four elastic contact assemblies are correspondingly mounted at the contact assembly mounting holes one by one; and the elastic contact assemblies on the two test piece clamping plates are arranged in a one-to-one opposite mode.
In a preferred embodiment of the present invention, the probe mounting base includes a base body and a pressing cover; the seat body is a cylinder body which is communicated with the left and the right, one end of the seat body is provided with a detection port, and the other end of the seat body is provided with a packaging port; the gland is used for fixedly pressing the probe in the seat body, is in threaded connection with the packaging opening of the seat body, and is provided with a cable hole for penetrating a cable of the probe.
The probe mounting seat that this scheme designed, its detection mouth is used for towards the position that awaits measuring of concrete sample, and the detection end of probe can just to detecting the mouth, and the cable hole is used for passing the probe cable, and the gland can be with the firm pressure of probe in the seat firmly, whole simple structure, reasonable.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a concrete sample ultrasonic testing support of the present invention;
FIG. 2 is a schematic structural diagram of the test piece testing jig of the present invention;
FIG. 3 is a schematic cross-sectional view of the spring contact assembly of the present invention;
fig. 4 is a schematic cross-sectional structural view of the probe mounting base of the present invention;
FIG. 5 is an application schematic diagram of the ultrasonic testing bracket for concrete samples according to the present invention;
in the figure: 1-main support, 2-handle rubber sleeve, 3-support screw, 4-threaded sleeve, 5-convex rib, 6-bottom plate, 7-first ball, 8-locking screw, 9-sliding sleeve, 10-guide beam, 11-lug, 12-specimen clamping plate, 13-elastic contact assembly, 14-probe mounting seat, 15-support plate, 16-graduation line, 17-countersunk screw connecting hole, 18-auxiliary guide shaft, 19-concrete specimen, 131-outer cylinder, 132-mounting plate, 133-screw connecting hole, 134-inner cylinder, 135-second ball, 136-limiting shaft, 137-spring, 141-base body, 142-gland, 143-detection port and 144-cable hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1-5, the utility model discloses a concrete sample ultrasonic testing support, include:
a main support 1;
one end of the telescopic support frame is fixedly connected with the main support 1, the other end of the telescopic support frame is provided with a bottom plate 6, and the bottom plate 6 is provided with a walking structure used for contacting the surface of the concrete sample 19;
the test piece testing frame comprises a guide cross beam 10 and two probe mounting frames, wherein the middle part of the guide cross beam 10 is fixedly connected with the main bracket 1 through a support plate 15, and the two probe mounting frames are respectively positioned on two sides of the support plate 15;
the probe mounting frame comprises a sliding sleeve 9, a test piece clamping plate 12, an elastic contact assembly 13 and a probe mounting seat 14,
the sliding sleeve 9 is sleeved on the guide beam 10 and is provided with a locking screw 8, when the locking screw 8 is loosened, the sliding sleeve can slide along the guide beam 10, when the locking screw 8 is locked, the position of the sliding sleeve is kept unchanged on the guide beam 10,
the test piece clamping plate 12 is a strip-shaped plate, one end of the test piece clamping plate is fixedly connected with the sliding sleeve 9, the other end of the test piece clamping plate is fixedly connected with the probe mounting seat 14,
the elastic contact component 13 is fixed on the test piece clamping plate 12 and is used as a clamping contact piece for clamping the concrete test piece 19 by the test piece clamping plate 12;
when the ultrasonic transmitting probe and the ultrasonic receiving probe are respectively arranged on the probe mounting seats 14 of the two probe mounting frames, the transmitting probe coaxially faces the ultrasonic receiving probe, and the guide beam 10 is provided with a scale mark 16 for indicating the distance between the transmitting probe and the ultrasonic receiving probe.
The utility model discloses in, the metalworking that hardness is high and light in weight should be chooseed for use as far as possible to the probe mounting bracket, and its whole weight is less than main support 1 and retractable support frame when best with, and when supporting on concrete sample 19 like this, weight is more stable. Generally, the weight of the whole support is less than 15 kg, so that the operator can easily lift the whole support.
When the ultrasonic testing device is used, a transmitting probe and a receiving probe of the ultrasonic testing device are respectively installed in the probe installation seats 14 of the two probe installation frames, as shown in fig. 5, the whole support is supported on the concrete test piece 19 by using the telescopic support frame, if the whole support is supported on the top surface of the concrete test piece 19, the whole support does not need to be held by hands during testing, if the whole support is supported on the side surface of the concrete test piece 19, an operator can hold the main support 1, the possibility that the whole support falls off from the concrete test piece 19 is reduced, of course, if the whole support can be fixed on the concrete test piece 19 through the synergistic effect of the test piece clamping plate 12, the elastic contact component 13 and the telescopic support frame, the whole support can not be held by hands.
When the ultrasonic transmitting probe and the ultrasonic receiving probe are aligned with the to-be-tested part of the concrete test piece 19, the instrument can be started to test the concrete test piece.
Because the concrete test piece 19 is required to be tested at a plurality of positions with different sizes, the main bracket 1 can be held by hands, and then the whole bracket is controlled to move on the concrete test piece 19, during the movement, one locking screw 8 can be locked, the other locking screw 8 can be unlocked, and both locking screws 8 can be unlocked, so that during the movement, since the elastic contact assembly 13 is in contact with the concrete specimen 19, and then the probe mounting bracket which releases the locking screw 8 automatically moves along the guide beam 10, and the position of the probe relative to the concrete sample 19 in the direction vertical to the walking direction of the walking mechanism is changed through the telescopic action of the telescopic support frame, when the probe is in place, the movable probe mounting bracket is pressed towards the concrete test piece 19 and locked by the locking screw 8, and the concrete test piece 19 is clamped by the elastic contact assembly 13. The instrument can then be started to test the current location of the concrete specimen 19.
Every test is carried out, the distance between the two probes is read through the scale marks 16 on the guide beam 10 (the height of the supporting part of the elastic contact assembly 13 can be designed to be smaller, the size is ignored, the directly read distance is the distance between the two probes), and the internal structure of the concrete test piece 19 can be judged according to the distance and the detection result of the ultrasonic waves.
In fig. 5, during the movement of the bracket, one of the probe mounting brackets is locked by the locking screw 8, while the locking screw 8 of the other probe mounting bracket is unlocked, and the probe mounting bracket is moved to a position close to the middle from the end of the guide beam 10 along with the movement to the position of the concrete sample 19 with different sizes.
The utility model discloses in, can add the baffle at the end of direction crossbeam 10 to avoid because of misoperation, and the sliding sleeve 9 of probe mounting bracket appears slips from direction crossbeam 10 slippage.
In an optional embodiment of the present invention, the main support 1 is provided with a handle rubber sleeve 2.
The handle rubber sleeve 2 is used as an operation part for an operator to control the main bracket 1.
In an alternative embodiment of the present invention, the walking structure is a plurality of first rolling balls 7 partially embedded in the bottom plate 6 and capable of rolling.
In this embodiment, the first balls 7 can be coated with the lubricating oil, and thus can be rolled more smoothly.
In this embodiment, the retractable support frame may be an elastic retractable frame or a threaded adjustable retractable frame.
As shown in fig. 3, the thread adjusting expansion bracket may include a supporting screw rod 3 and a thread sleeve 4 having a plurality of ribs 5 on an outer cylindrical wall, the supporting screw rod 3 is threaded in the thread sleeve 4, and one end of the supporting screw rod extending out of the thread sleeve 4 is fixedly connected to the main support 1, and the bottom plate 6 is fixedly connected to the thread sleeve 4.
In an optional embodiment of the present invention, two ends of the guiding beam 10 are respectively provided with a supporting lug 11, the two supporting lugs 11 are connected through an auxiliary guiding shaft 18 parallel to the guiding beam 10, and the specimen clamping plate 12 is sleeved on the auxiliary guiding shaft 18 and can slide along the auxiliary guiding shaft 18.
In an optional embodiment of the present invention, the support plate 15 is detachably and fixedly connected to the main support 1 by a countersunk screw.
In an alternative embodiment of the present invention, the elastic contact assembly 13 includes an outer cylinder 131, an inner cylinder 134, a second ball 135, and a spring 137;
one end of the outer cylinder 131 is closed, the other end is open, a second ball 135 is arranged in the outer cylinder, a limiting shaft 136 is coaxially arranged, one end of the limiting shaft 136 is fixedly connected with the closed end of the outer cylinder, and a spring 137 is sleeved on the limiting shaft 136;
the inner cylinder 134 is sleeved on the limiting shaft 136 and can reciprocate along the length direction of the limiting shaft 136, one end of the spring 137 is abutted against one end wall of the inner cylinder 134, and the other end of the inner cylinder 134 is closed and is in contact with the second ball 135;
the diameter of the second ball 135 is larger than the aperture of the opening end of the outer cylinder, and the second ball is partially protruded out of the opening of the outer cylinder under the action of the inner cylinder 134 to be used as a clamping contact part for clamping the concrete sample 19;
the outer cylinder 131 is fixed with a mounting plate 132, and the mounting plate 132 is provided with screw connection holes 133 and is detachably and fixedly connected with the specimen holding plate 12 by screws.
In this embodiment, the second balls 135 can be coated with the lubricant oil and thus can be smoothly rolled.
When the concrete sample is moved to the position where the size of the concrete sample is large, the second ball 135 receives a large pushing force from the concrete sample 19 and retracts into the outer cylinder 131 against the force of the spring 137, and when the concrete sample is moved to the position where the size of the concrete sample is small, the second ball 135 protrudes out of the outer cylinder 131 under the force of the spring 137.
In this embodiment, each test piece clamping plate 12 is provided with two contact assembly mounting holes, and four elastic contact assemblies 13 are correspondingly mounted at the contact assembly mounting holes one by one; the elastic contact assemblies 13 on the two test piece clamping plates 12 are arranged in a one-to-one opposite mode. The symmetrical design of the four resilient contact assemblies 13 provides improved stability for holding the concrete specimen 19.
In an alternative embodiment of the present invention, as shown in fig. 4, the probe mounting base 14 includes a base body 141 and a pressing cover 142; the seat body 141 is a cylinder body which is communicated with the left and the right, one end of the seat body is provided with a detection port 143, and the other end of the seat body is provided with a packaging port; the pressing cover 142 is used for pressing and fixing the probe in the holder body 141, is in threaded connection with the packaging opening of the holder body 141, and is provided with a cable hole 144 for passing a cable of the probe.
The method of mounting the probe to the probe mounting base 14 includes: the pressing cover 142 is opened, the probe is placed into the seat body 141 from the packaging opening, the detection end of the probe faces the detection opening 143 and then faces the part to be detected of the concrete test piece 19, the cable of the probe penetrates through the cable hole 144, and the probe is pressed and fixed in the seat body 141 through the pressing cover 142.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a concrete sample ultrasonic testing support which characterized in that includes:
a main support;
one end of the telescopic support frame is fixedly connected with the main support, the other end of the telescopic support frame is provided with a bottom plate, and the bottom plate is provided with a walking structure used for being in contact with the surface of the concrete sample;
the test piece testing frame comprises a guide cross beam and two probe mounting frames, the middle part of the guide cross beam is fixedly connected with the main bracket through a support plate, and the two probe mounting frames are respectively positioned on two sides of the support plate;
the probe mounting rack comprises a sliding sleeve, a test piece clamping plate, an elastic contact assembly and a probe mounting seat,
the sliding sleeve is sleeved on the guide cross beam and is provided with a locking screw, when the locking screw is loosened, the sliding sleeve can slide along the guide cross beam, when the locking screw is locked, the position of the sliding sleeve is kept unchanged on the guide cross beam,
the test piece clamping plate is a strip-shaped plate, one end of the test piece clamping plate is fixedly connected with the sliding sleeve, the other end of the test piece clamping plate is fixedly connected with the probe mounting seat,
the elastic contact assembly is fixed on the test piece clamping plate and is used as a clamping contact piece for clamping a concrete test piece by the test piece clamping plate;
when the ultrasonic transmitting probe and the ultrasonic receiving probe are respectively arranged on the probe mounting seats of the two probe mounting frames, the transmitting probe coaxially faces the ultrasonic receiving probe, and the guide cross beam is provided with scale marks for indicating the distance between the transmitting probe and the ultrasonic receiving probe.
2. The ultrasonic concrete specimen testing stand of claim 1, wherein the main stand is provided with a handle rubber sleeve.
3. The ultrasonic testing support of the concrete specimen according to claim 1, characterized in that the walking structure is a plurality of first rolling balls which are partially embedded in the bottom plate and can roll.
4. The ultrasonic testing support of concrete specimen according to claim 3, characterized in that the telescopic support frame is an elastic telescopic frame.
5. The ultrasonic testing bracket for the concrete sample according to claim 3, wherein the retractable support frame is a thread adjusting retractable frame, and comprises a support screw and a thread sleeve with a plurality of convex ribs arranged on the outer cylinder wall, the support screw is connected in the thread sleeve in a threaded manner, one end of the support screw extending out of the thread sleeve is fixedly connected with the main bracket, and the bottom plate is fixedly connected with the thread sleeve.
6. The ultrasonic testing bracket for the concrete specimen according to claim 1, wherein two ends of the guide beam are respectively provided with a support lug, the two support lugs are connected through an auxiliary guide shaft parallel to the guide beam, and the specimen clamping plate is sleeved on the auxiliary guide shaft and can slide along the auxiliary guide shaft.
7. The ultrasonic testing bracket for concrete samples according to claim 1, wherein the support plate is detachably and fixedly connected with the main bracket through countersunk screws.
8. The ultrasonic concrete specimen testing stand of claim 1, wherein the resilient contact assembly includes an outer cylinder, an inner cylinder, a second ball, and a spring;
one end of the outer cylinder is closed, the other end of the outer cylinder is open, the second ball is arranged in the outer cylinder, a limiting shaft is coaxially arranged, one end of the limiting shaft is fixedly connected with the closed end of the outer cylinder, and the spring is sleeved on the limiting shaft;
the inner cylinder is sleeved on the limiting shaft and can reciprocate along the length direction of the limiting shaft, one end of the spring abuts against the end wall of one end of the inner cylinder, and the other end of the inner cylinder is closed and is in contact with the second ball;
the diameter of the second ball is larger than the caliber of the opening end of the outer cylinder, and part of the second ball is protruded out of the opening of the outer cylinder under the action of the inner cylinder to be used as a clamping contact part for clamping a concrete sample;
the outer cylinder is fixed with the mounting panel, the mounting panel is provided with the screw connection hole to through the screw with fixed connection can be dismantled to the test piece grip block.
9. The ultrasonic test support for the concrete specimen according to claim 8, wherein each specimen clamping plate is provided with two contact assembly mounting holes, and four elastic contact assemblies are arranged at the contact assembly mounting holes in a one-to-one correspondence manner; and the elastic contact assemblies on the two test piece clamping plates are arranged in a one-to-one opposite mode.
10. The ultrasonic concrete specimen testing bracket of claim 1, wherein the probe mounting seat comprises a seat body and a gland; the seat body is a cylinder body which is communicated with the left and the right, one end of the seat body is provided with a detection port, and the other end of the seat body is provided with a packaging port; the gland is used for fixedly pressing the probe in the seat body, is in threaded connection with the packaging opening of the seat body, and is provided with a cable hole for penetrating a cable of the probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120507050.4U CN214539388U (en) | 2021-03-10 | 2021-03-10 | Ultrasonic testing support for concrete test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120507050.4U CN214539388U (en) | 2021-03-10 | 2021-03-10 | Ultrasonic testing support for concrete test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214539388U true CN214539388U (en) | 2021-10-29 |
Family
ID=78262236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120507050.4U Active CN214539388U (en) | 2021-03-10 | 2021-03-10 | Ultrasonic testing support for concrete test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214539388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236189A (en) * | 2022-09-22 | 2022-10-25 | 常州市宏发纵横新材料科技股份有限公司 | Ultrasonic detection device and method for interior of multi-cavity part |
-
2021
- 2021-03-10 CN CN202120507050.4U patent/CN214539388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236189A (en) * | 2022-09-22 | 2022-10-25 | 常州市宏发纵横新材料科技股份有限公司 | Ultrasonic detection device and method for interior of multi-cavity part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111693396B (en) | Multi-dimensional in-situ observation friction testing machine capable of positioning observation and quick-change clamp | |
| US20120297898A1 (en) | Deformation testing device | |
| KR100956837B1 (en) | Micrometer measure detailed drawing apparatus for inspecting | |
| CN214539388U (en) | Ultrasonic testing support for concrete test piece | |
| CA1326376C (en) | Extensometer for material testing machine | |
| GB2366391A (en) | Scratch resistance testing apparatus and method | |
| US6622571B2 (en) | Apparatus for measuring tension and stress capable of adjusting an angle of measurement | |
| US8375594B1 (en) | Pneumatic counterbalance for optical head gantry | |
| CN207650113U (en) | Steel Ball Surface Defect Detecting Instrument | |
| CN214844980U (en) | Adjustable eddy current probe clamping device | |
| US20030061721A1 (en) | Gauge and method | |
| CN202974166U (en) | Coaxiality error group test fixture | |
| US4211013A (en) | Gauge | |
| CN213957052U (en) | Performance detection device for microscopic hardness meter | |
| CN212321350U (en) | Auxiliary tool for brinell hardness indentation measurement | |
| US4432141A (en) | High precision height comparator apparatus | |
| CN207650120U (en) | Surface defects detection equipment | |
| CN110360916A (en) | V-arrangement positions formula internal diameter, outer diameter comparing measuring apparatus | |
| CN212645680U (en) | Workpiece surface roughness's inspection device | |
| EP0859214A1 (en) | Flatness measuring apparatus | |
| US2768447A (en) | Strain measuring instrument | |
| CN110017807B (en) | Roughness measuring device and roughness measuring method | |
| CN219757202U (en) | Coaxiality detector | |
| CN212007029U (en) | Rolling bearing clearance detection device | |
| CN220153536U (en) | Electric putter stroke detects frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |