CN213715132U - Concrete filled steel tube ultrasonic detection frame operated by single hand - Google Patents
Concrete filled steel tube ultrasonic detection frame operated by single hand Download PDFInfo
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- CN213715132U CN213715132U CN202023051266.9U CN202023051266U CN213715132U CN 213715132 U CN213715132 U CN 213715132U CN 202023051266 U CN202023051266 U CN 202023051266U CN 213715132 U CN213715132 U CN 213715132U
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Abstract
The utility model discloses a concrete filled steel tube ultrasonic testing frame of single handheld operation has overcome the problem that exists among the prior art in the detection of concrete filled steel tube arch bridge arch rib quality. The utility model discloses a contain C type framework, n type spring leaf, control handle and ultrasonic detection device, n type spring leaf is connected at the middle part of C type framework, the outside connection control handle's of n type spring leaf one end, the both ends inboard of C type framework is equipped with ultrasonic detection device, it contains the casing, bolted connection spare, ultrasonic probe, the electro-magnet, flexible claw, couplant deposit net piece, annular extension spring and electro-magnet control switch, wherein the inside ultrasonic probe that has cup jointed of casing, inside is equipped with the electro-magnet, the outside is equipped with couplant deposit net piece, outside edge is equipped with a plurality of flexible claws. The technology has simple and safe structure, the detection personnel have sufficient time to do serious detection, the auxiliary time of the crane is reduced, and the quick work receiving due to the fact that the lease time of the crane is shortened is avoided.
Description
Technical Field
The utility model relates to a civil engineering field especially relates to a concrete filled steel tube ultrasonic testing frame of single handheld operation.
Background
In recent years, the steel tube concrete is widely applied to super high-rise buildings and large-span bridges, and the section of the steel tube concrete is mainly circular. The steel pipe and the concrete supplement each other, on one hand, the steel pipe is similar to a stirrup, so that the concrete is compressed in three directions, and the pressure resistance is enhanced, and on the other hand, the concrete is filled in the steel pipe to solve the potential instability problem of the steel pipe.
With the increase of concrete filled steel tubes in actual engineering, many internal concrete and steel tube inner surfaces are found to have voids, called voids. The small gap of the void is sometimes called debonding, which is mainly caused by the radial shrinkage of the concrete under the action of temperature or the radial expansion of the steel pipe. In building structures, it is primarily this interfacial debonding that results in radial debonding. The void directly affects the combined action of the steel pipe and the concrete, and the influence of the void is not considered in most design specifications at present. The arch rib of the concrete-filled steel tube arch bridge is exposed in the field, and is poured by pumping concrete, generally, the concrete can be compactly constructed according to related process standards, but the gap between the concrete and the steel tube cannot be avoided.
The condition of concrete in the steel tube cannot be observed from the appearance, and attention is paid to how to detect the concrete-filled steel tube void in the actual engineering structure. The existing detection methods mainly comprise an ultrasonic method, a knocking method, a transient impact method, a piezoelectric ceramic detection method and the like. The simplest method is a tapping method, but the detection is greatly influenced by human factors, and people will be tired for a little long time, so that the judgment result is influenced. In addition, the arch rib in construction does not generally have an installation pedestrian passageway, a detection person cannot directly approach to detection, the cost of setting up temporary facilities or renting a lift truck is too high, the detection time is too long, and the concrete-filled steel tube arch ribs on two sides of some bridges are reinforced through cross braces. The hanging basket position is constantly adjusted to the crane among the operation process, still needs two people to test to handheld ultrasonic transducer of subtend, detects very inconveniently, and consuming time is long, and the lease expense is high, and has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the problem that exists among the prior art among the concrete filled steel tube arch bridge arch rib quality testing provides a rational in infrastructure, convenient to use's concrete filled steel tube ultrasonic testing frame of single handheld operation.
The technical solution of the utility model is that, a concrete filled steel tube ultrasonic testing frame of single handheld operation with following structure is provided: the ultrasonic detection device comprises a C-shaped frame body, an n-shaped spring piece, a control handle and an ultrasonic detection device, wherein the n-shaped spring piece is connected to the middle of the C-shaped frame body, the outer side of the n-shaped spring piece is connected with one end of the control handle, and the ultrasonic detection device is arranged on the inner sides of two ends of the C-shaped frame body.
Preferably, the number of the ultrasonic detection devices is two, and the ultrasonic detection devices respectively comprise a shell, a bolt connecting piece, an ultrasonic probe, an electromagnet, a telescopic claw, a couplant storage net piece, an annular telescopic tension spring and an electromagnet control switch, wherein one side of the shell is fixed on the inner side of the end part of the C-shaped frame body through the bolt connecting piece; ultrasonic transducer has been cup jointed to the inside of casing opposite side, inside is equipped with the electro-magnet, the outside is equipped with couplant savings net piece, outside edge is equipped with a plurality of flexible claws, the flexible claw is kept away from one side of steel pipe concrete and has been cup jointed the flexible extension spring of annular, ultrasonic transducer passes through the probe connecting wire and connects portable ultrasonic wave analysis appearance, the electro-magnet passes through wire and electromagnet control switch and connects the battery, electromagnet control switch all is located the middle part of control handle, the different resistance of its inside series connection realizes the many grades of pressure regulating.
Preferably, the couplant reservoir mesh is a grid-like elastic sponge.
Preferably, a plurality of cushion blocks are uniformly distributed on the inner surface of the C-shaped frame body, the C-shaped frame body is double-layer and is divided into a C-shaped inner frame body and a C-shaped outer frame body, a slide way is arranged in the middle of the C-shaped inner frame body, the C-shaped inner frame body and the C-shaped outer frame body are positioned and fastened through two manual bolts, angle increasing and decreasing scales are arranged on the outer side surface of the C-shaped inner frame body close to the inner side of the concrete filled steel tube, the angle increasing and decreasing.
Preferably, the included angle between two opposite side edges in the n-type spring piece is alpha, wherein alpha is more than or equal to 45 degrees and less than or equal to 80 degrees, the middle part of the outer side of the n-type spring piece is provided with a horizontal bubble column, the middle part of the outer side of the n-type spring piece is provided with a marking pen sleeve, and a marking pen is clamped in the marking pen sleeve.
Preferably, the surface of the control handle is provided with an anti-slip sleeve, and the tail end of the control handle is provided with an anti-slip handle.
Compared with the prior art, the utility model discloses single handheld operation's steel pipe concrete ultrasonic testing frame has following advantage: the technology is suitable for various bridge arch ribs, the application range of the technology exceeds 180 degrees of concrete filled steel tube, the attraction force of the electromagnet is adjustable, the couplant absorbed in the couplant storage net piece is pressed out according to different force, and the effects of one-time smearing and multiple use are achieved. The angle increase and decrease scale can provide the reference standard of 180 degrees of the covered circumference between the C-shaped outer frame body and the C-shaped inner frame body through the positive and negative scale values, and the measurement of the preset angle mode of the working personnel at the special position is very convenient. The C-shaped outer frame body is provided with the cushion blocks, so that the C-shaped outer frame body and the C-shaped inner frame body can stably surround the outer ring of the reinforced concrete.
The horizontal bubble column ensures that a detector passes through the horizontal state of the reference horizontal bubble column at each section of section to be detected, the detector can record in a mode of numbers, characters and symbols, the later stage determination of the section to be tested or to be secondarily overhauled is facilitated, and a positioning reference mark is provided for the subsequent secondary detection and construction.
By using the technology, the detection personnel can have sufficient time to do careful detection, the auxiliary time of the crane is reduced, and the defect that the measurement is not fine enough due to rapid work accomplishment caused by the reduction of the lease time of the crane is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a bridge body suitable for use in the present invention;
FIG. 2 is a second schematic structural diagram of a bridge body suitable for use in the present invention;
FIG. 3 is a schematic view of the working state of the present invention using a conventional crane for auxiliary measurement;
fig. 4 is a schematic structural diagram of the working state of the present invention;
fig. 5 is a schematic top view of the present invention;
fig. 6 is a schematic view of the connection state of the C-shaped outer frame and the C-shaped inner frame in the present invention;
fig. 7 is a schematic structural diagram of the ultrasonic detection apparatus of the present invention;
fig. 8 is a schematic structural view of the middle couplant saving net sheet of the present invention.
In the description of the drawings, reference numeral 1 is an upper steel pipe, 2 is a web plate, 3 is a lower steel pipe, 4 is a beam, 5 is a road center marking, 6 is a hanging basket, 7 is a hanging arm, 8 is a crane, 9 is a control handle, 10 is an electromagnet control switch, 11 is an anti-drop handle, 12 is an n-shaped spring piece, 13 is a rivet, 14 is a lead, 14 'is a probe connecting line, 15 is a C-shaped outer frame body, 15' is a C-shaped inner frame body, 16 is a cushion block, 17 is an ultrasonic detection device, 18 is a slideway, 19 is a manual bolt, 20 is a shell, 21 is an ultrasonic probe, 22 is an annular telescopic tension spring, 23 is a telescopic claw, 24 is an electromagnet, 25 is a positioning ring, 26 is a storage coupling agent net sheet, 27 is angle increasing and decreasing scales, 28 is a horizontal bubble column, 29 is a marker pen sleeve, and 30 is.
Detailed Description
The concrete filled steel tube ultrasonic testing frame which is operated by a single person is further explained by combining the attached drawings and the specific implementation mode as follows: the common form of bridge arch rib among the prior art has, single steel pipe concrete structure, and the structure of steel pipe 3 concrete under upper steel pipe 1 concrete passes through web 2 and connects, or the structure that the steel pipe concrete of bridge both sides passes through crossbeam 4 and connects each other, and this technique all is applicable to above-mentioned three kinds of condition. The common construction scene is that a crane 8 lifts a hanging basket 6 to a position of the concrete filled steel tube to be detected through an extended suspension arm 7, and a detector continuously detects the concrete filled steel tube through an instrument.
As shown in the figure, the present embodiment includes a C-shaped frame, an n-shaped spring plate 12, a control handle 9 and an ultrasonic detection device 17, wherein the n-shaped spring plate 12 is connected to the middle of the C-shaped frame, the outer side of the n-shaped spring plate 12 is connected to one end of the control handle 9, and the ultrasonic detection device 17 is arranged on the inner side of the two ends of the C-shaped frame.
When the control handle 9 is convenient to be operated by a single person, the two hands exert force together to break the C-shaped frame with the measurement range exceeding 180 degrees, so that the C-shaped frame is easily sleeved on the steel pipe concrete to be detected or the C-shaped frame is separated from the steel pipe concrete to be detected. The surface of control handle 9 is equipped with anti-skidding cover, and anticreep handle 11 is located control handle 9's end, can avoid testing personnel in operation process, and the careless hand of taking off can cause the damage to the testing stand.
The number of the ultrasonic detection devices 17 is two, and the two ultrasonic detection devices respectively comprise a shell 20, a bolt connecting piece, an ultrasonic probe 21, an electromagnet 24, a telescopic claw 23, a couplant storage net piece 26, an annular telescopic tension spring 22 and an electromagnet 24 control switch 10, wherein one side of the shell 20 is fixed on the inner side of the end part of the C-shaped frame body through the bolt connecting piece; ultrasonic probe 21 has been cup jointed to the inside of casing 20 opposite side, inside is equipped with electro-magnet 24, the outside is equipped with couplant savings net piece 26, outside edge is equipped with a plurality of flexible claws 23, flexible claw 23 is kept away from one side of steel pipe concrete and has been cup jointed flexible extension spring 22 of annular, ultrasonic probe 21 passes through probe connecting wire 14' and connects portable ultrasonic wave analysis appearance, electro-magnet 24 passes through wire 14 and electro-magnet 24 control switch 10 and connects the battery, electro-magnet 24 control switch 10 all is located the middle part of control handle 9, the different resistance of its inside series connection realizes the many grades of pressure regulations.
The electromagnet 24 controls the switch 10 to be 2-5 key switches, wherein 1-4 key switches are connected with a portable power supply of a detector through serially connecting resistors with different resistance values and the electromagnet 24, so that the effect of switching output voltage is realized, the adjustment of the suction force of the electromagnet 24 is achieved, the couplant adsorbed in the couplant storage net piece 26 is squeezed with different force, the couplant is released after being squeezed for multiple times, coating is carried out again, the coating times are reduced, the detection efficiency is improved, and the detection period is shortened.
The couplant reservoir web 26 is a grid-like elastic sponge.
The ultrasonic probe 21 is sleeved in the housing 20, and one end of the ultrasonic probe extends out of the side of the housing 20. The electromagnet 24 is electrified and magnetized, and then can be adsorbed on the concrete filled steel tube, along with the change of adsorption force, the couplant absorbed in the couplant storage net sheet 26 can be pressed out according to different forces, so that the effects of one-time smearing and multiple-time use are achieved, the couplant storage net sheet 26 and the electromagnet 24 with adjustable adsorption force control switch 10 are absent, the once-time suction process of the couplant is extruded and dispersed, a detector has to suck and smear once, in addition, the elastic couplant storage net sheet 26 can better adapt to the outer surface of the concrete filled steel tube with a non-absolute plane, the telescopic claw 23 is matched with the tightening and expansion of the annular telescopic tension spring 22 sleeved in the positioning ring 25 on the outer side of the telescopic claw, the couplant storage net sheet 26 can only contact the concrete filled steel tube when in work, the couplant cannot be rubbed everywhere, the couplant can be selected from vaseline paste, or butter, etc.
The inner surface of the C-shaped frame body is uniformly distributed with a plurality of cushion blocks 16, the C-shaped frame body is double-layered and is divided into a C-shaped inner frame body 15 'and a C-shaped outer frame body 15, the middle part of the C-shaped inner frame body is provided with a slide way 18 which is positioned and fastened through two manual bolts 19, wherein the outer side surface of the C-shaped inner frame body 15' close to the inner side of the concrete filled steel tube is provided with angle increasing and decreasing scales 27, the range of the angle increasing and decreasing scales is-20 degrees to 20 degrees.
The angle increasing and decreasing scale 27 can provide the total coverage angle range of the C-shaped frame obtained by adding 180 degrees after the C-shaped inner frames 15 ' at two sides are mutually telescopic after the C-shaped outer frame 15 ' at two sides are mutually telescopic by taking 180 degrees of the coverage circumference between the C-shaped outer frame 15 and the C-shaped inner frame 15 ' as a reference standard through positive and negative scale values, and the total coverage angle range of the C-shaped frame is obtained by adding 180 degrees, so that the measurement of a preset angle formula of a worker at a special position is very convenient.
The included angle of two opposite side edges in the n-type spring piece 12 is alpha, wherein alpha is more than or equal to 45 degrees and less than or equal to 80 degrees, the middle part of the outer side of the n-type spring piece 12 is provided with a horizontal bubble column 28, the middle part of the outer side of the n-type spring piece 12 is provided with a marking pen sleeve 29, and a marking pen 30 is clamped in the marking pen sleeve 29.
The two ends of the n-shaped spring leaf 12 are respectively connected with the C-shaped outer frame body 15, the C-shaped outer frame body 15 is connected with the C-shaped inner frame body 15' through a slide way 18 and a manual bolt 19, the slide way 18 is a rectangular long groove or a rounded rectangular long groove, the outer sides of the two ends of the n-shaped spring leaf 12 are respectively connected with the control handle 9 through rivets 13, the control handle 9 can conveniently and directly change the deformation of the n-shaped spring leaf 12, the opening angle degree of the C-shaped frame body can be changed, and therefore the ultrasonic detection device 17 can be conveniently sleeved on the outer side of the concrete filled. The C-shaped outer frame body 15 is provided with a cushion block 16, the height of the cushion block is close to that of the ultrasonic detection device 17, and finally the C-shaped outer frame body 15 and the C-shaped inner frame body 15' can be ensured to stably surround the outer ring of the reinforced concrete.
The horizontal bubble column 28 is connected to the C-shaped outer frame 15 through an inclined table, the horizontal bubble column 28 is arranged in parallel along the direction of the C-shaped outer frame 15, and the operation has an accurate starting point mainly for ensuring that a tester refers to the horizontal state of the horizontal bubble column 28 at each section of section to be tested, the C-shaped inner frame 15' begins to stretch at the starting point and obtains a proper specific covering angle of the C-shaped frame, and fixed-point measurement and recording are performed in a section-by-section and angle-by-angle range. The inner surface of the C-shaped outer frame body 15 is provided with the marking pen sleeve 29, a detector can leave marks on the surface of a steel pipe of concrete filled steel pipe through the marking pen 30 clamped inside the marking pen sleeve 29 by shaking the control handle 9, positioning reference marks are provided for subsequent secondary detection and construction, the marking pen 30 can be a pencil or an oil marking pen through the mode recording of numbers, characters and symbols, and the subsequent determination of the section to be tested or to be subjected to secondary overhaul is facilitated.
Claims (6)
1. The utility model provides a concrete filled steel tube ultrasonic testing frame of single handheld operation which characterized in that: the ultrasonic detection device comprises a C-shaped frame body, an n-shaped spring piece, a control handle and an ultrasonic detection device, wherein the n-shaped spring piece is connected to the middle of the C-shaped frame body, the outer side of the n-shaped spring piece is connected with one end of the control handle, and the ultrasonic detection device is arranged on the inner sides of two ends of the C-shaped frame body.
2. The ultrasonic concrete filled steel tube test stand of claim 1, wherein: the ultrasonic detection devices are two in number and respectively comprise a shell, a bolt connecting piece, an ultrasonic probe, an electromagnet, a telescopic claw, a couplant storage net piece, an annular telescopic tension spring and an electromagnet control switch, wherein one side of the shell is fixed on the inner side of the end part of the C-shaped frame body through the bolt connecting piece; ultrasonic transducer has been cup jointed to the inside of casing opposite side, inside is equipped with the electro-magnet, the outside is equipped with couplant savings net piece, outside edge is equipped with a plurality of flexible claws, the flexible claw is kept away from one side of steel pipe concrete and has been cup jointed the flexible extension spring of annular, ultrasonic transducer passes through the probe connecting wire and connects portable ultrasonic wave analysis appearance, the electro-magnet passes through wire and electromagnet control switch and connects the battery, electromagnet control switch all is located the middle part of control handle, the different resistance of its inside series connection realizes the many grades of pressure regulating.
3. The ultrasonic concrete filled steel tube test stand of claim 2, wherein: the couplant storage net sheet is a latticed elastic cotton block.
4. The ultrasonic concrete filled steel tube test stand of claim 1, wherein: the inner surface of the C-shaped frame body is uniformly distributed with a plurality of cushion blocks, the C-shaped frame body is double-layered and is divided into a C-shaped inner frame body and a C-shaped outer frame body, the middle part of the C-shaped inner frame body is provided with a slide way, the C-shaped inner frame body is positioned and fastened through two manual bolts, wherein the outer surface of the C-shaped inner frame body close to the inner side of the concrete filled steel tube is provided with angle increasing and decreasing scales, the range of the angle increasing and decreasing scales is-.
5. The ultrasonic concrete filled steel tube test stand of claim 1, wherein: the included angle of two opposite sides in the n-type spring piece is alpha, wherein alpha is more than or equal to 45 degrees and less than or equal to 80 degrees, a horizontal bubble column is arranged in the middle of the outer side of the n-type spring piece, a marking pen sleeve is arranged in the middle of the outer side of the n-type spring piece, and a marking pen is clamped in the marking pen sleeve.
6. The ultrasonic concrete filled steel tube test stand of claim 1, wherein: the surface of the control handle is provided with an anti-slip sleeve, and the tail end of the control handle is provided with an anti-slip handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051266.9U CN213715132U (en) | 2020-12-17 | 2020-12-17 | Concrete filled steel tube ultrasonic detection frame operated by single hand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051266.9U CN213715132U (en) | 2020-12-17 | 2020-12-17 | Concrete filled steel tube ultrasonic detection frame operated by single hand |
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| CN213715132U true CN213715132U (en) | 2021-07-16 |
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| CN202023051266.9U Expired - Fee Related CN213715132U (en) | 2020-12-17 | 2020-12-17 | Concrete filled steel tube ultrasonic detection frame operated by single hand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137085A (en) * | 2021-12-01 | 2022-03-04 | 仲恺农业工程学院 | Ultrasonic flaw detection robot based on vision-assisted positioning and detection method thereof |
-
2020
- 2020-12-17 CN CN202023051266.9U patent/CN213715132U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137085A (en) * | 2021-12-01 | 2022-03-04 | 仲恺农业工程学院 | Ultrasonic flaw detection robot based on vision-assisted positioning and detection method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 Termination date: 20211217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |