Ultrasonic detection equipment for joint bridge steel-concrete combined section

Abstract

The utility model relates to the field of bridge detection, in particular to ultrasonic detection equipment attached to a bridge steel-concrete combined section, which comprises a detection head, a shaft sleeve part spirally arranged outside the detection head, a coupling agent storage part inserted on the shaft sleeve part, and an extrusion part movably arranged on the shaft sleeve part. Compared with the prior art, the shaft sleeve part can enable the coupling agent storage part to move along with the detection head, and when the bonding detection work of the bridge steel-concrete combined section is carried out, the extrusion part descends to extrude the coupling agent storage part, so that the coupling agent is extruded and quickly distributed on the detection surface of the detection head along the plurality of output parts, and the process is efficient and convenient; the gap between the detection head and the binding surface is filled to ensure sufficient acoustic coupling; the plurality of output parts are tightly attached to the detection head, the detection head and the shaft sleeve part spirally move relatively, the plurality of output parts can uniformly smear the coupling agent distributed on the detection head in the process, the uniform smearing speed is high, and it can be guaranteed that the detection head is rapidly used.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge detection technical field, concretely relates to a kind of ultrasonic detection equipment of bridge steel concrete joint section. BACKGROUND

[0002] Steel concrete structure is the composite stress structure of section steel and concrete, including the frame-core structure of peripheral steel frame or section steel concrete, steel pipe concrete frame and reinforced concrete core, and the tube-core structure of peripheral steel tube or section steel concrete, steel pipe concrete frame and reinforced concrete core, commonly used in bridge construction.In the construction process, if there is a steel structure and concrete contact surface not dense or steel structure internal concrete pouring defect, it will affect the service life, safety and other problems of structure.

[0003] Ultrasonic method is the most commonly used detection means for identifying concrete structure void defects, which is very sensitive to some planar structure defects, and the ultrasonic wave used in detection does not damage the detection personnel and environment, the equipment is light, suitable for detection in various places, and it requires a certain smoothness of the surface, and coupling agent is needed to fill the gap between probe and component surface to ensure sufficient acoustic coupling, which has the following problems.

[0004] The coupling agent is complex to lay and not convenient enough, and cannot form a good fitting effect with the detection ground quickly, and the coupling agent cannot be evenly applied quickly, which can easily cause friction and damage during ultrasonic detection. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problems: overcome the technical problems of ultrasonic probe head coupling agent smearing efficiency not high and smearing mode not good, provide a kind of ultrasonic detection equipment of bridge steel concrete joint section.

[0006] The utility model solves the technical problems by adopting the following technical scheme: a kind of ultrasonic detection equipment of bridge steel concrete joint section, comprising: detection head, the shaft sleeve portion of spiral setting in the detection head outside, the coupling agent storage portion of being inserted into the shaft sleeve portion, and the extrusion portion of being movably arranged on the shaft sleeve portion;

[0007] The shaft sleeve portion and the detection head can be relatively spiral movable;

[0008] The shaft sleeve portion includes sleeve, first steel sleeve, second steel sleeve, connecting rod and output portion;The sleeve is spirally arranged outside the detection head;The first steel sleeve is arranged outside the sleeve;The second steel sleeve is arranged outside the first steel sleeve;The connecting rod is annularly arranged between the second steel sleeve and the sleeve;The output portion is arranged at the bottom end of the second steel sleeve;

[0009] The coupling agent storage part and the output part are elastic, and the coupling agent storage part is under several output parts and communicates with them,

[0010] The pressing part can press the coupling agent storage part to flow out to the surface of the detection head through several output parts.

[0011] When the detection head rotates, the coupling agent on its surface can be smoothed through several output parts.

[0012] Further, the pressing part includes a first movable ring inserted between the second steel sleeve and the first steel sleeve, and a second movable ring arranged on the inner wall of the first movable ring;

[0013] The first steel sleeve and the sleeve have a ring groove for the second movable ring to pass through, wherein,

[0014] The first movable ring and the second movable ring are adapted to be lowered synchronously.

[0015] Further, the second movable ring is provided with several springs at the bottom end;

[0016] The other end of the several springs is connected to the ring groove, wherein,

[0017] When the second movable ring is pressed down, the several springs can be compressed.

[0018] Further, the coupling agent storage part includes a rubber ring arranged between the second steel sleeve and the first steel sleeve, a ring cavity arranged inside the rubber ring, and several liquid passing holes arranged at the bottom of the ring cavity;

[0019] The several liquid passing holes communicate with the several output parts, wherein,

[0020] The first steel sleeve can press the rubber ring to deform the ring cavity, so that the coupling agent flows through the several liquid passing holes to the several output parts.

[0021] Further, the output part includes a hard pipe section arranged at the bottom end of the first steel sleeve, and a soft pipe section arranged in communication with one end of the hard pipe section;

[0022] The hard pipe section communicates with the liquid passing hole, and the hard pipe section abuts against the rubber ring, wherein,

[0023] The coupling agent can flow through the hard pipe section to the soft pipe section.

[0024] Further, the soft pipe section is provided with several discharge holes on both sides in mirror image;

[0025] The several discharge holes are used to shunt and discharge the coupling agent.

[0026] Further, one end of the hose section is provided with a sharp corner, and the one ends of the hose sections are attached to each other.

[0027] The utility model discloses beneficial effect is, compared with prior art, the shaft sleeve department can let the coupling agent storage part move with the detection head, when carrying out the fitting detection work of bridge steel mixed combination section, the extrusion of the coupling agent storage part is extruded through the extrusion part descending, let the coupling agent be extruded and follow the quick distribution of a plurality of output parts in the detection surface of detection head, and its process is efficient and convenient, and the detection head and the fitting surface gap are filled to guarantee sufficient acoustic coupling, and a plurality of output parts are attached to the detection head, and the detection head is relatively spiral with the shaft sleeve department, and a plurality of output parts can even the coupling agent distributed on the detection head in its process, and the even speed is fast, which can guarantee that the detection head is used quickly. BRIEF DESCRIPTION OF DRAWINGS

[0028] The utility model will be further explained in connection with the drawings and examples.

[0029] Figure 1 It is the perspective drawing of the preferred embodiment of the utility model;

[0030] Figure 2 It is the first perspective drawing of the detection head of the utility model;

[0031] Figure 3 It is the detection head of the utility model; Figure 2 The enlarged view in A of the middle;

[0032] Figure 4 It is the second perspective drawing of the detection head of the utility model;

[0033] Figure 5 It is the internal state schematic drawing of the detection head of the utility model;

[0034] Figure 6 It is the detection head of the utility model; Figure 5 The enlarged view in B of the middle.

[0035] In the drawing: 1, detection head;2, shaft sleeve department;21, sleeve;22, first steel cover;23, second steel cover;24, connecting rod;25, output part;251, hard pipe section;252, hose section;3, coupling agent storage part;31, rubber ring;32, ring cavity;4, extrusion part;41, first movable ring;42, second movable ring;5, spring;6, discharge hole. DETAILED DESCRIPTION

[0036] The utility model will be further explained in connection with the drawings and examples.

[0037] As Figures 1-6 The utility model provides a kind of ultrasonic testing equipment of bridge steel concrete joint, comprising: detection head 1, the shaft sleeve portion 2 of spiral setting in the detection head 1 outside, the coupling agent storage portion 3 of being inserted in the shaft sleeve portion 2, and extrusion portion 4 being movably arranged on the shaft sleeve portion 2;

[0038] The shaft sleeve portion 2 and the detection head 1 can relatively spiral move;

[0039] The shaft sleeve portion 2 includes sleeve 21 of spiral setting in the detection head 1 outside, first steel sleeve 22 being arranged in the sleeve 21 outside, second steel sleeve 23 being arranged in the first steel sleeve 22 outside, several connecting rods 24 being annularly arranged between the second steel sleeve 23 and the sleeve 21, and several output portions 25 being arranged in the bottom end of the second steel sleeve 23;

[0040] The coupling agent storage portion 3 and the output portion 25 are elastic, and the coupling agent storage portion 3 is below and communicated with several output portions 25,

[0041] The extrusion portion 4 can extrude the coupling agent storage portion 3 to the surface of the detection head 1 through several output portions 25 by pressing the extrusion portion 4 down;

[0042] When the detection head 1 spirally moves, the coupling agent on its surface can be smoothed through several output portions 25. Specifically, in the prior art, the coupling agent of the detection head 1 cannot be quickly replenished and applied. Compared with the prior art, the shaft sleeve portion 2 can move with the detection head 1. When the detection head 1 is used to detect the bridge steel concrete joint, the coupling agent in the coupling agent storage portion 3 is extruded out and quickly distributed on the detection surface of the detection head 1 through several output portions 25 by the extrusion of the extrusion portion 4. The process is efficient and convenient, the gap between the detection head 1 and the detection surface is filled to ensure sufficient acoustic coupling, the coupling agent storage portion 3 can be quickly replaced and recycled. Several output portions 25 are in close contact with the detection head 1. The detection head 1 and the shaft sleeve portion 2 relatively spiral move. Several output portions 25 can smooth the coupling agent distributed on the detection head 1 during the process at a fast speed, which can ensure that the detection head 1 is quickly used. After one movement, the detection head 1 penetrates through the second steel sleeve 23. The detection work of the detection head 1 is not disturbed in this state.

[0043] Optionally, the extrusion portion 4 includes first movable ring 41 inserted between the interlayer of the second steel sleeve 23 and the first steel sleeve 22, and second movable ring 42 arranged on the inner wall of the first movable ring 41;

[0044] A ring groove is left between the first steel sleeve 22 and the sleeve 21 for the insertion of the second movable ring 42.

[0045] The first movable ring 41 and the second movable ring 42 are adapted to be lowered synchronously, specifically, the outer wall and the inner wall of the first movable ring 41 are respectively attached to the inner wall of the second steel sleeve 23 and the outer wall of the first steel sleeve 22, under the limiting force, the first movable ring 41 can move radially, and the second movable ring 42 is also movably inserted into the interlayer between the first steel sleeve 22 and the outer wall of the detection head 1 to obtain a double-stable radial movement effect, so that the coupling agent storage part 3 is accurately pressed and the pressure is balanced.

[0046] Optionally, the second movable ring 42 is provided with a plurality of springs 5 at the bottom end;

[0047] The other end of the plurality of springs 5 is connected to the ring groove, wherein,

[0048] When the second movable ring 42 is pressed down, the plurality of springs 5 can be compressed, specifically, the pressing process of the first movable ring 41 drives the second movable ring 42 to compress the plurality of springs 5 to store energy, and the energy storage process of the plurality of springs 5 slows down the action of the first movable ring 41 and the second movable ring 42, so that the coupling agent storage part 3 is uniformly pressed, and the resetting action of the plurality of springs 5 is beneficial to the timely resetting of the first movable ring 41 and the second movable ring 42, and is beneficial to the cyclic work.

[0049] Optionally, the coupling agent storage part 3 includes a rubber ring 31 arranged between the interlayer of the second steel sleeve 23 and the first steel sleeve 22, a ring cavity 32 arranged inside the rubber ring 31, and a plurality of liquid passages arranged at the bottom of the ring cavity 32;

[0050] The plurality of liquid passages are connected to the plurality of output parts 25, wherein,

[0051] The first steel sleeve 22 can extrude the rubber ring 31, so that the ring cavity 32 is deformed to make the coupling agent flow to the plurality of output parts 25 through the plurality of liquid passages, specifically, the ring cavity 32 stores the coupling agent, and the position is unchanged in normal state, when the pressure of the first steel sleeve 22 is applied, the rubber ring 31 drives the ring cavity 32 to compress and deform, so that part of the coupling agent is discharged through the plurality of liquid passages and discharged into the plurality of output parts 25, which provides a good preparation condition for the output work of the coupling agent.

[0052] Optionally, the output part 25 includes a hard pipe section 251 arranged at the bottom end of the first steel sleeve 22, and a soft pipe section 252 arranged in communication with one end of the hard pipe section 251;

[0053] The hard pipe section 251 is connected to the liquid passage, and the hard pipe section 251 is abutted to the rubber ring 31, wherein,

[0054] The coupling agent can flow to the hose section 252 through the hard pipe section 251. In particular, the position of the hard pipe section 251 is arranged to ensure that the rubber ring 31 does not separate from the interlayer of the second steel sleeve 23 and the first steel sleeve 22 in the pressed state. The coupling agent in the hose section 252 can be uniformly wiped when the detection head 1 is preliminarily spirally moved, and then can be pushed away when the detection head 1 is spirally moved, so as to avoid blocking the process of the detection head 1 passing through the sleeve 21, so that the detection head 1 can normally work after the coupling agent is coated. The hose section 252 keeps the state of being perpendicular downward after receiving the force.

[0055] Optionally, the hose section 252 is mirror-imaged and provided with a plurality of discharge holes 6 on both sides;

[0056] The plurality of discharge holes 6 are used for shunting and discharging the coupling agent. In particular, the position of the discharge hole 6 is arranged to be close to the top side of the hose section 252, which is beneficial to shorten the coating track of the coupling agent, and makes the coupling agent quickly and evenly distributed in multiple ring lines and multiple segments, so as to make the coating effect of the coupling agent better and facilitate the further wiping work.

[0057] Optionally, one end of the hose section 252 is arranged as a sharp angle, and one end of a plurality of the hose sections 252 is mutually attached. In particular, one end of the plurality of hose sections 252 can be combined with each other, so as to reduce the generation of dead angle when the coupling agent is frictionally coated on the detection head 1.

[0058] Based on the above ideal embodiments of the present application, through the above description, the related personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. An ultrasonic testing apparatus for testing a bridge deck joint, comprising: The detection head (1), the shaft sleeve part (2) spirally arranged outside the detection head (1), the coupling agent storage part (3) inserted on the shaft sleeve part (2), and the extrusion part (4) movably arranged on the shaft sleeve part (2); The shaft sleeve part (2) and the detection head (1) can relatively spiral move; The shaft sleeve part (2) comprises a sleeve (21) spirally arranged outside the detection head (1), a first steel sleeve (22) arranged outside the sleeve (21), a second steel sleeve (23) arranged outside the first steel sleeve (22), a plurality of connecting rods (24) arranged in a ring between the second steel sleeve (23) and the sleeve (21), and a plurality of output parts (25) arranged at the bottom end of the second steel sleeve (23); The coupling agent storage part (3) and the output part (25) are elastic, and the coupling agent storage part (3) is in contact with and communicates with a plurality of the output parts (25), The extrusion part (4) can extrude the coupling agent storage part (3) to flow out through a plurality of the output parts (25) to the surface of the detection head (1) by pressing the extrusion part (4); When the detection head (1) spirally moves, the coupling agent on the surface thereof can be smoothed through a plurality of the output parts (25).

2. The ultrasonic detection equipment for the bridge steel-concrete joint segment as claimed in claim 1, wherein The extrusion part (4) comprises a first movable ring (41) inserted between the second steel sleeve (23) and the first steel sleeve (22), and a second movable ring (42) arranged on the inner wall of the first movable ring (41); The first steel sleeve (22) and the sleeve (21) are provided with ring grooves for the second movable ring (42) to be inserted thereinto, and The first movable ring (41) and the second movable ring (42) are adapted to be synchronously lowered.

3. The ultrasonic detection equipment for the bridge steel-concrete joint segment as claimed in claim 2, wherein The second movable ring (42) is provided with a plurality of springs (5) at the bottom end thereof; The other ends of the plurality of springs (5) are connected to the ring grooves, and When the second movable ring (42) is pressed, the plurality of springs (5) can be compressed.

4. The ultrasonic detection equipment for the bridge steel-concrete joint segment as claimed in claim 3, wherein The coupling agent storage part (3) comprises a rubber ring (31) arranged between the second steel sleeve (23) and the first steel sleeve (22), a ring cavity (32) arranged inside the rubber ring (31), and a plurality of liquid passing holes arranged at the bottom of the ring cavity (32); The plurality of liquid passing holes are in communication with the plurality of output parts (25), and The first steel sleeve (22) can extrude the rubber ring (31) to make the coupling agent flow through the plurality of liquid passing holes to the plurality of output parts (25) after the ring cavity (32) is deformed.

5. The ultrasonic detection equipment for the bridge steel-concrete joint segment as claimed in claim 4, wherein The output part (25) comprises a hard pipe section (251) arranged at the bottom end of the first steel sleeve (22), and a soft pipe section (252) communicated with one end of the hard pipe section (251); The hard pipe section (251) is communicated with the liquid passage, and the hard pipe section (251) is abutted against the rubber ring (31), wherein, The coupling agent can flow to the soft pipe section (252) through the hard pipe section (251).

6. The ultrasonic detection equipment for the bridge steel-concrete joint section according to claim 5, wherein, A plurality of discharge holes (6) are symmetrically arranged on both sides of the soft pipe section (252); The plurality of discharge holes (6) are used for shunting and discharging the coupling agent.

7. The ultrasonic detection equipment for the bridge steel-concrete joint section according to claim 6, wherein, One end of the soft pipe section (252) is arranged as a sharp corner, and one end of each of the plurality of soft pipe sections (252) is abutted against each other.

Images