CN215415217U

CN215415217U - Probe positioning device convenient for detecting concrete crack depth

Info

Publication number: CN215415217U
Application number: CN202121765651.1U
Authority: CN
Inventors: 诸自轩
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-04
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a probe positioning device convenient for detecting the depth of a concrete crack, which comprises a strip-shaped bottom plate, wherein silica gel suckers capable of being adsorbed and fixed on the surface of concrete are respectively arranged at the positions of two ends of the bottom plate along the length direction of the bottom plate, the bottom plate can be fixed on the surface of the concrete through the silica gel suckers, a guide rail is arranged on the front surface of the bottom plate in an extending manner, two sliding seats are connected on the guide rail in a sliding manner, a supporting rod extending out of the bottom plate is fixedly connected on each sliding seat, a probe clamping device is fixedly connected on each supporting rod, a zero scale starting point is arranged at the position, located at the middle of the guide rail, of the front surface of the bottom plate, and a length scale extending towards the two ends of the guide rail from the zero scale starting point is further arranged on the front surface of the bottom plate. The crack detector is simple in structure, convenient and reliable to use, and improves the accuracy of crack detection.

Description

Probe positioning device convenient for detecting concrete crack depth

Technical Field

The utility model relates to the field of building construction quality detection, in particular to a probe positioning device convenient for detecting concrete crack depth.

Background

In concrete structures and concrete bridges, cracks are a relatively ubiquitous quality problem, and the overall quality can be divided into two major categories, structural and non-structural: structural cracks are mainly caused by insufficient bearing capacity and are also a sign of initial structural failure or insufficient strength; the non-structural cracks are mainly caused by non-structural properties such as settlement, temperature, shrinkage and the like, so that the concrete is pulled to crack, but the non-structural cracks have little influence on the bearing capacity of the structure. The occurrence of concrete cracks weakens the integrity and the bearing capacity of a building, and reduces the durability of a concrete structure, so that the detection of the cracks is particularly important, and the cracks are analyzed, evaluated and processed through detection in the aspects of width, depth, position, distribution characteristics and the like. At present, for crack depth detection, an ultrasonic single-side flat detection method is the most common nondestructive detection method. During detection, the two probes are respectively placed on the concrete surface on two sides of the crack by taking the crack position as the center to carry out measurement. In order to improve the detection accuracy, the two sides of the crack can be measured for multiple times at different spacing distances, manual marking needs to be carried out on the surface of the concrete in advance, a measuring point is determined, and then a couplant is smeared at a corresponding position so as to facilitate the detection of the ultrasonic probe.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the technical problems to be solved by the utility model are as follows: how to provide a probe positioner who conveniently detects concrete crack degree of depth who uses simple and reliable, can improve to crack detection accuracy.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a probe positioning device convenient for detecting the depth of a concrete crack comprises a long-strip-shaped bottom plate, wherein fixing through holes are respectively formed in the surface of the bottom plate and close to the two ends of the bottom plate in the length direction, a fixing seat is arranged on one side of the front surface of the bottom plate and corresponds to the fixing through holes, a bracket fixedly connected with the fixing seat and the bottom plate is arranged between the fixing seat and the bottom plate, a silica gel sucker is arranged on one side of the fixing seat facing the fixing through holes, the projection of the silica gel sucker in the direction vertical to the plane of the bottom plate is positioned in the projection of the fixing through holes in the direction vertical to the plane of the bottom plate, the opening end of the silica gel sucker faces the back side of the bottom plate, a silica gel inserting sleeve is convexly formed on the outer top surface of the silica gel sucker and is communicated with the inside of the silica gel sucker, the direction of the central line of the silica gel inserting sleeve is vertical to the plane of the bottom plate, and an air pipe which is arranged with the silica gel inserting sleeve and has the same central line with the silica gel inserting sleeve, one end of an air pipe is inserted into the silica gel plug bush and is fixedly connected with the silica gel plug bush in a sealing way, the other end of the air pipe is provided with an air exhaust valve, the air pipe penetrates through the fixed seat and can be in sliding fit with the fixed seat along the central line direction of the air pipe, the air pipe body is provided with external threads extending along the central line direction of the air pipe, the air pipe body positioned on one side of the fixed seat, which is back to the silica gel sucker, is sleeved with a fixed nut in threaded fit with the external threads, the front surface of the bottom plate is fixedly connected with a guide rail extending along the length direction of the bottom plate, the guide rail is provided with two sliding seats respectively capable of being in sliding connection with the guide rail along the length direction of the guide rail, the sliding seats are fixedly connected with supporting rods extending along the width direction of the bottom plate, one end of the supporting rods, which is far away from the corresponding sliding seats, is fixedly connected with a probe clamping device, the projection of the probe clamping device along the direction vertical to the plane of the bottom plate is positioned outside the projection of the direction vertical to the plane of the bottom plate, two probe clamping device lie in the same one side of bottom plate, and the face that lies in the bottom plate openly and correspond guide rail length direction intermediate position is marked zero scale starting point, and the direction that is towards the guide rail both ends respectively by zero scale starting point along guide rail length direction on the positive face of bottom plate is marked length scale, and two probe clamping device correspond the length scale of one side separately in order to be used for measuring the centre gripping wait to install probe position to the interval of zero scale starting point on probe clamping device.

When the probe is used, the bottom plate is placed on the concrete surface, the zero scale starting point on the bottom plate corresponds to the position of a crack, then the bottom tube is operated to enable the silica gel sucker to penetrate through the fixing through hole to be tightly abutted to the concrete surface, then the air exhaust device is used for exhausting air at the air exhaust valve of the air tube to enable the silica gel sucker to be fixedly adsorbed on the concrete surface, then the fixing nut is screwed to be tightly pressed on the fixing seat, the bottom plate is fixed on the concrete surface, then the couplant is smeared on the concrete surface, the probe is installed on the probe clamping device, the sliding seat is slid, and the positions of different detection points are determined according to the length scales marked on the bottom plate, so that the probe is not influenced by the shielding of the couplant, the probe is simple and convenient to use, and the detection accuracy is improved.

As an optimization, a guide sliding hole penetrates through the sliding seat, the guide sliding hole extends along the width direction of the bottom plate, a limiting groove which extends from one end to the other end along the direction parallel to the central line of the guide sliding hole is formed in the hole wall of the guide sliding hole, the limiting groove is a through groove, the support rod comprises a guide sliding rod and a swinging rod, the guide sliding rod is positioned in the guide sliding hole and can be in sliding fit with the guide sliding hole along the direction parallel to the central line of the guide sliding hole, the length of the guide sliding rod is greater than that of the guide sliding groove, a limiting sliding block which extends from one end to the other end along the direction parallel to the central line of the guide sliding rod is formed on the rod body of the guide sliding rod in a protruding manner, the limiting sliding block extends into the limiting sliding groove and can be in sliding fit with the limiting sliding groove along the extending direction of the limiting sliding groove, one end of the guide sliding rod is positioned outside the sliding seat and is in threaded connection with a limiting end which can abut against the sliding seat to limit the guide sliding rod, the other end of the guide slide rod is convexly provided with a U-shaped hinged support, the projection of the U-shaped hinged support along the central line direction of the guide slide rod is positioned in the projection of the guide slide rod along the central line direction of the guide slide rod, one end of the oscillating rod is provided with a hinged block, the projection of the hinged block along the central line direction of the oscillating rod is positioned in the projection of the oscillating rod along the central line direction of the oscillating rod, the hinged block is inserted into the U-shaped hinged support and is hinged and connected with the U-shaped hinged support through a hinged shaft, the central line of the guide slide rod and the central line of the oscillating rod are positioned on the same plane, the central line direction of the hinged shaft is vertical to the plane of the bottom plate, when the oscillating rod rotates to be the same as the central line of the guide slide rod, the oscillating rod can extend into the guide slide hole and can be in sliding fit with the guide slide hole along the central line direction of the guide slide hole, a limit stop block is formed by protruding on the rod body of the oscillating rod, one end of the oscillating rod, which is positioned close to and spaced with the limit block, spacing dog can the butt be in order to carry on spacingly to the swinging arms on the slide, the direction slide bar be located spacing end with pole body between the slide is gone up to overlap and is equipped with tension spring, tension spring's both ends respectively the butt at spacing end with on the slide, tension spring can stretch into in the direction slide for direction slide bar pulling swinging arms so that spacing dog butt is in provide spring power on the slide, probe clamping device installs the one end of keeping away from articulated piece at the swinging arms.

During detection, a couplant needs to be coated on the concrete surface for filling a gap between the concrete surface and the probe, if the probe is directly placed on the couplant, bubbles are easy to appear in the couplant, the penetration of ultrasonic waves is affected, and therefore after the probe is placed on the couplant, the probe can move back and forth generally to discharge the bubbles in the couplant. In the utility model, the probe is arranged on the probe clamping device, the ultrasonic emission surface of the probe is placed on the couplant, the swinging rod is pulled out towards the direction away from the bottom plate, then the swinging rod can be operated to swing for discharging bubbles in the couplant, after the swinging is finished, the swinging rod is rotated to enable the swinging rod and the guide slide rod to be concentric, then the swinging rod is pushed to insert the swinging rod into the guide slide hole, and thus the guide slide hole can limit the swinging rod and cannot swing any more, so that the probe can be conveniently detected.

As an optimization, the probe clamping device comprises fixing blocks mounted on the swinging rod, wherein fixing mounting grooves are respectively formed in the opposite sides of the two fixing blocks, the cross section of each fixing mounting groove is in a V shape and is a through groove, the extending direction of each fixing mounting groove is perpendicular to the plane of the bottom plate, the groove walls on the two sides of each fixing mounting groove can be respectively abutted to the probes to be mounted, a pressing block is arranged on one side of each fixing block in the direction of the corresponding fixing mounting groove, sliding rods are respectively arranged between the fixing blocks and the pressing block and on the positions on the two sides of the corresponding fixing mounting groove, the sliding rods extend along the opposite directions of the fixing blocks and the pressing blocks, one ends of the sliding rods facing the pressing blocks are fixedly connected with the pressing blocks, the other ends of the sliding rods penetrate through the fixing blocks and can be in sliding fit with the fixing blocks along the opposite directions of the fixing blocks and the pressing blocks, and pressing strips are arranged on the inner sides of the two sliding rods between the fixing blocks, the pressing bar is arranged opposite to the fixed mounting groove along the opposite direction of the fixed block and the pressing block, the extending direction of the pressing bar is parallel to the extending direction of the fixed mounting groove, the position between the pressing bar and the fixed mounting groove corresponding to the pressing bar is a mounting space for placing a probe to be mounted, an elastic compression component is arranged between the pressing bar and the pressing block and fixedly connected to the pressing bar and the pressing block respectively so as to enable the pressing bar to be compressed towards the pressing block along the opposite direction of the pressing bar and the pressing block, a fixed rod extending along the opposite direction of the two sliding rods is arranged between the two sliding rods penetrating through the fixed block, the two ends of the fixed rod are fixedly connected with the two ends of the sliding rods respectively, a rotating sleeve rotatably matched with the fixed rod is sleeved on the rod body of the fixed rod, and the positions of the rod body of the fixed rod and the two ends of the rotating sleeve are respectively provided with a limiting snap ring for limiting the movement of the rotating sleeve along the central line direction of the fixed rod, the dwang that fixedly connected with extended along the radial direction of rotating sleeve on the rotating sleeve, the concave spacing shrinkage pool that is equipped with in position that the fixed block corresponds the dwang, the dwang can insert in spacing shrinkage pool in order to rotate the dwang and carry on spacingly, when the dwang inserted in spacing shrinkage pool, the layering can compress tightly on fixed mounting groove with the probe of waiting to install that is located the installation space.

During the use, outwards stimulate the briquetting earlier, place the probe in installation space, then at the outside dead lever that stimulates, make the layering butt on the probe to compress tightly the probe on fixed mounting groove, rotate the dwang after that, make the dwang correspond spacing shrinkage pool and insert wherein, not only carry out spacing fixed to the position of layering, also ensured simultaneously that the layering compresses tightly fixed stability to the probe.

Preferably, the elastic compression member comprises an outer sleeve, two strip-shaped sliding holes are symmetrically arranged on a body of the outer sleeve by taking a central line of the outer sleeve as a symmetry axis, the strip-shaped sliding holes extend along a direction parallel to the central line of the outer sleeve and are communicated with the inner sleeve, an inner sliding rod capable of being in sliding fit with the outer sleeve along the central line direction is arranged in the outer sleeve, one end of the inner sliding rod extends out of the outer sleeve, a sliding handle is arranged at a position of the outer sleeve corresponding to the strip-shaped sliding holes, the sliding handle penetrates through the corresponding strip-shaped sliding holes along the radial direction of the outer sleeve and is in threaded connection with the inner sliding rod positioned in the outer sleeve, the sliding handle can be in sliding fit with the strip-shaped sliding holes along the extending direction of the strip-shaped sliding holes, one end of the outer sleeve far away from the inner sliding rod is fixedly connected to the pressing block, one end of the inner sliding rod extending out of the outer sleeve is fixedly connected to the pressing block, and an extrusion spring is arranged in the outer sleeve and between the pressing block and the inner sliding rod, two ends of the extrusion spring are respectively abutted on the pressing block and the inner sliding rod to provide spring force for the sliding handle to abut on one end, far away from the pressing block, of the strip-shaped sliding hole.

As optimization, the swinging rod is far away from one end fixedly connected with lifting rail of articulated piece, and the extending direction of lifting rail is perpendicular to the plane of bottom plate place, and sliding connection has the lifting seat and the lifting seat can slide along lifting rail extending direction on the lifting rail, and the both ends of lifting rail fixedly connected with respectively block the piece and block spacing in order to block the lifting seat, fixed block and lifting seat fixed connection. When a measuring point needs to be moved to another measuring point after measurement is completed, the lifting seat can be lifted upwards, so that the ultrasonic emission surface of the probe leaves the surface of the concrete, the couplant is conveniently smeared on a new measuring point, meanwhile, the abrasion to the ultrasonic emission surface of the probe can be avoided, and when the measurement is performed, the lifting seat slides downwards to enable the ultrasonic emission surface of the probe to be attached to a corresponding position.

As an optimization, the slide bar is sleeved with a return spring in a natural state on the bar body between the fixed block and the pressing block, and two ends of the return spring are respectively abutted against the fixed block and the pressing block and can enable the pressing block and the fixed block to be arranged at an interval so that a probe to be installed can enter the installation space. When the return spring is in a natural state, the fixing block and the pressing block can be separated from each other, and enough installation space is reserved to facilitate installation of the probe.

In conclusion, the beneficial effects of the utility model are as follows: the crack detector is simple in structure, convenient and reliable to use, and improves the accuracy of crack detection.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

The structure of the utility model will be described in further detail with reference to the accompanying drawings.

As shown in FIG. 1, the probe positioning device for conveniently detecting the depth of a concrete crack in the present embodiment comprises a strip-shaped bottom plate 1, fixing through holes are respectively disposed on the surface of the bottom plate 1 and near to both ends of the bottom plate in the length direction, a fixing base 2 is disposed on one side of the front surface of the bottom plate 1 and corresponding to the fixing through holes, brackets fixedly connected to the fixing base 2 and the bottom plate 1 are respectively disposed between the fixing base 2 and the bottom plate 1, a silicone sucker is disposed on one side of the fixing base 2 facing the fixing through holes, the projection of the silicone sucker along the direction perpendicular to the plane of the bottom plate 1 is located in the projection of the fixing through holes along the direction perpendicular to the plane of the bottom plate 1, the open end of the silicone sucker faces the back surface side of the bottom plate 1, a silicone insertion sleeve is convexly formed on the outer top surface of the silicone sucker, the silicone insertion sleeve is communicated with the interior of the silicone sucker, and the direction of the center line of the silicone insertion sleeve is perpendicular to the plane of the bottom plate 1, the silica gel plug bush is provided with an air pipe 3 which is arranged with the same central line as the silica gel plug bush, one end of the air pipe 3 is inserted into the silica gel plug bush and is fixedly connected with the silica gel plug bush in a sealing way, the other end of the air pipe 3 is provided with an air exhaust valve, the air pipe 3 passes through the fixed seat 2 and can be matched with the fixed seat 2 in a sliding way along the central line direction of the air pipe 3, the pipe body of the air pipe 3 which is arranged at one side of the fixed seat 2 opposite to the silica gel sucker is provided with a fixed nut matched with the external thread in a sleeved way, the front surface of the bottom plate 1 is fixedly connected with a guide rail 4 extending along the length direction of the bottom plate 1, the guide rail 4 is provided with two sliding seats 5 which can be respectively connected with the guide rail 4 in a sliding way along the length direction of the guide rail 4, a support rod extending along the width direction of the bottom plate 1 is fixedly connected with a probe clamping device at one end of the support rod far away from the corresponding sliding seat 5, the projection of probe clamping device along the plane direction of perpendicular to bottom plate 1 place lies in bottom plate 1 along the projection of perpendicular to its place plane direction, two probe clamping device lie in bottom plate 1 with one side, it has zero scale starting point to lie in the face of bottom plate 1 front and correspond to the face of 4 length direction intermediate positions of guide rail, it has length scale to follow 4 length direction of guide rail on the face of bottom plate 1 front and have been marked towards the direction of 4 both ends of guide rail by zero scale starting point respectively, two probe clamping device correspond the length scale of one side separately in order to be used for measuring the interval of waiting to install probe position to zero scale starting point of centre gripping on probe clamping device.

In the specific embodiment, a guide sliding hole penetrates through the sliding seat 5, the guide sliding hole extends along the width direction of the bottom plate 1, a limiting groove extending from one end to the other end along the direction parallel to the central line direction of the guide sliding hole is formed in the hole wall of the guide sliding hole, the limiting groove is a through groove, the support rod comprises a guide sliding rod 6 and a swinging rod 7, the guide sliding rod 6 is positioned in the guide sliding hole and can be in sliding fit with the guide sliding hole along the central line direction of the guide sliding hole, the length of the guide sliding rod 6 is greater than that of the guide sliding groove, a limiting sliding block extending from one end to the other end along the direction parallel to the central line direction of the guide sliding rod 6 is formed on a rod body of the guide sliding rod 6 in a protruding manner, the limiting sliding block extends into the limiting sliding groove and can be in sliding fit with the limiting sliding groove along the extending direction of the limiting sliding groove, one end of the guide sliding rod 6 is positioned outside the sliding seat 5 and is in threaded connection with a limiting end, the limiting end can be abutted against the sliding seat 5 to limit the guide sliding rod 6, a U-shaped hinged support is convexly formed at the other end of the guide sliding rod 6, the projection of the U-shaped hinged support along the central line direction of the guide sliding rod 6 is positioned in the projection of the guide sliding rod 6 along the central line direction of the guide sliding rod, a hinged block is arranged at one end of the swinging rod 7, the projection of the hinged block along the central line direction of the swinging rod 7 is positioned in the projection of the swinging rod 7 along the central line direction of the swinging rod, the hinged block is inserted into the U-shaped hinged support and is hinged and connected with the U-shaped hinged support through a hinged shaft, the central line of the guide sliding rod 6 and the central line of the swinging rod 7 are positioned on the same plane, the central line direction of the hinged shaft is perpendicular to the plane of the bottom plate 1, when the swinging rod 7 rotates to be at the same central line with the guide sliding rod 6, the swinging rod 7 can stretch into the guide sliding hole and can be in sliding fit with the guide sliding hole along the central line direction of the guide sliding hole, the protruding spacing dog that is formed with on the pole body of swinging arms 7, the one end that swinging arms 7 is located articulated piece is close to and the interval sets up with the stopper, and spacing dog can the butt be in order to carry on spacingly to swinging arms 7 on the slide 5, direction slide bar 6 be located spacing end with the pole body between slide 5 is gone up to overlap and is equipped with taut spring, and taut spring's both ends butt respectively at spacing end with on the slide 5, taut spring can stretch into in the direction slide hole so that the spacing dog butt is in for 6 pulling swinging arms 7 of direction slide bar provide spring power on the slide 5, probe clamping device installs the one end of keeping away from articulated piece at swinging arms 7.

In the embodiment, the probe clamping device comprises fixed blocks 8 arranged on the swinging rod 7, wherein one sides of the two fixed blocks 8, which are opposite to each other, are respectively provided with a fixed mounting groove, the cross section of the fixed mounting groove is V-shaped and is a through groove, the extending direction of the fixed mounting groove is vertical to the plane of the bottom plate 1, the groove walls at the two sides of the fixed mounting groove can be respectively abutted on the probe to be mounted, one side of the fixed block 8, which is positioned in the direction of the fixed mounting groove, is provided with a pressing block 9, the positions between the fixed block 8 and the pressing block 9 and positioned at the two sides of the fixed mounting groove are respectively provided with a sliding rod 10, the sliding rod 10 extends along the opposite direction of the fixed block 8 and the pressing block 9, one end of the sliding rod 10, which faces towards the pressing block 9, is fixedly connected with the pressing block 9, and the other end of the sliding rod 10 penetrates through the fixed block 8 and can be in sliding fit with the fixed block 8 along the opposite direction of the fixed block 8 and the pressing block 9, a pressing strip 11 is arranged at the inner side of two sliding rods 10 between a fixed block 8 and a pressing block 9, the pressing strip 11 is arranged opposite to the fixed mounting groove along the opposite direction of the fixed block 8 and the pressing block 9, the extending direction of the pressing strip 11 is parallel to the extending direction of the fixed mounting groove, the position between the pressing strip 11 and the corresponding fixed mounting groove is an installation space for placing a probe to be installed, an elastic compression component 12 is arranged between the pressing strip 11 and the pressing block 9, the elastic compression component 12 is respectively and fixedly connected on the pressing strip 11 and the pressing block 9 so that the pressing strip 11 can be compressed towards the pressing block 9 along the opposite direction of the pressing strip 11 and the pressing block 9, a fixed rod 13 extending along the opposite direction of the two sliding rods 10 is arranged between the two sliding rods 10 penetrating through the fixed block 8, two ends of the fixed rod 13 are respectively and fixedly connected with two ends of the sliding rods 10, and a rotating sleeve 14 in rotating fit with the fixed rod 13 is sleeved on the rod body of the fixed rod 13, the position that the pole body of dead lever 13 just is located the both ends of rotating sleeve 14 is provided with respectively and is used for carrying out spacing snap ring along the removal of dead lever 13 central line direction to rotating sleeve 14, fixedly connected with along the dwang 15 that the 14 radial direction of rotating sleeve extends on the rotating sleeve 14, the position that fixed block 8 corresponds dwang 14 is concave to be equipped with spacing shrinkage pool, dwang 15 can insert in spacing shrinkage pool in order to rotate the dwang 15 spacing, when dwang 15 inserts in spacing shrinkage pool, layering 11 can compress tightly the probe of treating installation that is located the installation space on fixed mounting groove.

In this embodiment, the elastic compression member 12 includes an outer sleeve, two strip-shaped sliding holes are symmetrically arranged on the body of the outer sleeve with the central line thereof as the symmetry axis, the strip-shaped sliding holes extend in the direction parallel to the central line of the outer sleeve and are communicated with the inner sleeve, an inner sliding rod capable of sliding matching with the outer sleeve along the central line direction is arranged in the outer sleeve, one end of the inner sliding rod extends out of the outer sleeve, a sliding handle is arranged at the position of the outer sleeve corresponding to the strip-shaped sliding hole, the sliding handle penetrates through the corresponding strip-shaped sliding hole along the radial direction of the outer sleeve and is connected with the inner sliding rod in the outer sleeve by screw thread, the sliding handle can slide matching with the strip-shaped sliding hole along the extending direction of the strip-shaped sliding hole, the end of the outer sleeve far away from the inner sliding rod is fixedly connected to the pressing block 9, the end of the inner sliding rod extending out of the outer sleeve is fixedly connected to the pressing strip 11, and an extrusion spring is arranged in the outer sleeve and between the pressing block 9 and the inner sliding rod, two ends of the extrusion spring are respectively abutted against the pressing block 9 and the inner sliding rod to provide spring force for the sliding handle to abut against one end, far away from the pressing block 9, of the strip-shaped sliding hole.

In this embodiment, the swinging arm 7 is kept away from the one end fixedly connected with of articulated piece promotes rail 16, promotes the extending direction perpendicular to of rail 16 bottom plate 1 place plane, and sliding connection has on the promotion rail 16 to promote seat 17 and can slide along promoting rail 16 extending direction, and the both ends of promoting rail 16 fixedly connected with respectively stop the piece in order to block spacingly to promoting seat 17, fixed block 8 and promotion seat 17 fixed connection.

In this specific embodiment, the slide rod 10 is sleeved with a return spring 18 in a natural state on the rod body between the fixed block 8 and the pressing block 9, and two ends of the return spring 18 respectively abut against the fixed block 8 and the pressing block 9 and enable the pressing block 9 and the fixed block 8 to be spaced apart from each other so that a probe to be mounted can enter the mounting space.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that, while the utility model has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a conveniently detect probe positioner of concrete crack depth which characterized in that: the device comprises a strip-shaped bottom plate, wherein fixing through holes are respectively formed in the positions, close to the two ends in the length direction, on the surface of the bottom plate, a fixing seat is arranged on one side of the front surface of the bottom plate and corresponds to the positions of the fixing through holes, a support fixedly connected with the fixing seat is arranged between the fixing seat and the bottom plate, a silica gel sucker is arranged on one side, facing the fixing through holes, of the fixing seat, the projection of the silica gel sucker along the direction vertical to the plane of the bottom plate is positioned in the projection of the fixing through holes along the direction vertical to the plane of the bottom plate, the opening end of the silica gel sucker faces to the back side of the bottom plate, a silica gel plug bush is formed on the outer top surface of the silica gel sucker in a protruding mode, the silica gel plug bush is communicated with the interior of the silica gel sucker, the direction of the center line of the silica gel plug bush is vertical to the plane of the bottom plate, an air pipe which is arranged on the same center line is arranged at the position of the silica gel plug bush, and is fixedly connected with the air pipe in a sealing mode, the other end of the air pipe is provided with an air exhaust valve, the air pipe penetrates through the fixed seat and can be in sliding fit with the fixed seat along the central line direction of the air pipe, the pipe body of the air pipe, which is positioned on one side of the fixed seat, which is opposite to the silica gel sucker, is sleeved with a fixing nut in threaded fit with the external thread, the front surface of the bottom plate is fixedly connected with a guide rail which extends along the length direction of the bottom plate, the guide rail is provided with two slide seats which can be respectively in sliding connection with the guide rail along the length direction of the guide rail, the slide seats are fixedly connected with supporting rods which extend along the width direction of the bottom plate, one end of each supporting rod, which is far away from the corresponding slide seat, is fixedly connected with a probe clamping device, the projection of the probe clamping device along the direction vertical to the plane of the bottom plate is positioned outside the projection of the bottom plate along the direction vertical to the plane of the bottom plate, and the two probe clamping devices are positioned on the same side of the bottom plate, the probe clamping device comprises a bottom plate, a guide rail, two probe clamping devices and a plurality of probe clamping devices, wherein the bottom plate is positioned on the front side of the bottom plate and corresponds to the middle position of the guide rail in the length direction, a zero scale starting point is marked on the plate surface of the front side of the bottom plate, length scales are marked on the plate surface of the front side of the bottom plate along the length direction of the guide rail from the zero scale starting point to the directions of the two ends of the guide rail respectively, and the two probe clamping devices respectively correspond to the length scales on one side so as to be used for measuring the distance from the position of a probe to be installed to the zero scale starting point, which is clamped on the probe clamping devices.

2. The probe positioning device convenient for detecting the depth of a concrete crack according to claim 1, characterized in that: the sliding seat is provided with a guide sliding hole in a penetrating manner, the guide sliding hole extends along the width direction of the bottom plate, the hole wall of the guide sliding hole is provided with a limiting groove which extends from one end to the other end along the direction parallel to the central line of the guide sliding hole, the limiting groove is a through groove, the support rod comprises a guide sliding rod and a swinging rod, the guide sliding rod is positioned in the guide sliding hole and can be in sliding fit with the guide sliding hole along the direction of the central line of the guide sliding hole, the length of the guide sliding rod is greater than that of the guide sliding groove, a limiting sliding block which extends from one end to the other end along the direction parallel to the central line of the guide sliding rod is formed on the rod body of the guide sliding rod in a protruding manner, the limiting sliding block extends into the limiting sliding groove and can be in sliding fit with the limiting sliding groove along the extending direction of the limiting sliding groove, one end of the guide sliding rod is positioned outside the sliding seat and is in threaded connection with a limiting end which can be abutted against the guide sliding seat to limit the guide sliding rod, the other end of the guide slide rod is convexly provided with a U-shaped hinged support, the projection of the U-shaped hinged support along the central line direction of the guide slide rod is positioned in the projection of the guide slide rod along the central line direction of the guide slide rod, one end of the oscillating rod is provided with a hinged block, the projection of the hinged block along the central line direction of the oscillating rod is positioned in the projection of the oscillating rod along the central line direction of the oscillating rod, the hinged block is inserted into the U-shaped hinged support and is hinged and connected with the U-shaped hinged support through a hinged shaft, the central line of the guide slide rod and the central line of the oscillating rod are positioned on the same plane, the central line direction of the hinged shaft is vertical to the plane of the bottom plate, when the oscillating rod rotates to be the same as the central line of the guide slide rod, the oscillating rod can extend into the guide slide hole and can be in sliding fit with the guide slide hole along the central line direction of the guide slide hole, a limit stop block is formed by protruding on the rod body of the oscillating rod, one end of the oscillating rod, which is positioned close to and spaced with the limit block, spacing dog can the butt be in order to carry on spacingly to the swinging arms on the slide, the direction slide bar be located spacing end with pole body between the slide is gone up to overlap and is equipped with tension spring, tension spring's both ends respectively the butt at spacing end with on the slide, tension spring can stretch into in the direction slide for direction slide bar pulling swinging arms so that spacing dog butt is in provide spring power on the slide, probe clamping device installs the one end of keeping away from articulated piece at the swinging arms.

3. The probe positioning device convenient for detecting the depth of a concrete crack according to claim 2, characterized in that: the probe clamping device comprises fixed blocks arranged on the swinging rod, wherein one sides of two fixed blocks, which are opposite to each other, are respectively provided with a fixed mounting groove, the cross section of the fixed mounting groove is V-shaped and is a through groove, the extending direction of the fixed mounting groove is vertical to the plane of the bottom plate, the groove walls at two sides of the fixed mounting groove can be respectively abutted against the probe to be installed, one side of the fixed block, which is positioned in the direction of the fixed mounting groove, is provided with a pressing block, sliding rods are respectively arranged between the fixed blocks and the pressing block and positioned at two sides of the fixed mounting groove, the sliding rods extend along the opposite direction of the fixed blocks and the pressing block, one end of each sliding rod, which faces towards the pressing block, is fixedly connected with the pressing block, the other end of each sliding rod penetrates through the fixed blocks and can be in sliding fit with the fixed blocks along the opposite direction of the fixed blocks and the pressing block, and pressing strips are arranged at the positions at the inner sides of the two sliding rods, which are positioned between the fixed blocks and the pressing blocks, the pressing bar is arranged opposite to the fixed mounting groove along the opposite direction of the fixed block and the pressing block, the extending direction of the pressing bar is parallel to the extending direction of the fixed mounting groove, the position between the pressing bar and the fixed mounting groove corresponding to the pressing bar is a mounting space for placing a probe to be mounted, an elastic compression component is arranged between the pressing bar and the pressing block and fixedly connected to the pressing bar and the pressing block respectively so as to enable the pressing bar to be compressed towards the pressing block along the opposite direction of the pressing bar and the pressing block, a fixed rod extending along the opposite direction of the two sliding rods is arranged between the two sliding rods penetrating through the fixed block, the two ends of the fixed rod are fixedly connected with the two ends of the sliding rods respectively, a rotating sleeve rotatably matched with the fixed rod is sleeved on the rod body of the fixed rod, and the positions of the rod body of the fixed rod and the two ends of the rotating sleeve are respectively provided with a limiting snap ring for limiting the movement of the rotating sleeve along the central line direction of the fixed rod, the dwang that fixedly connected with extended along the radial direction of rotating sleeve on the rotating sleeve, the concave spacing shrinkage pool that is equipped with in position that the fixed block corresponds the dwang, the dwang can insert in spacing shrinkage pool in order to rotate the dwang and carry on spacingly, when the dwang inserted in spacing shrinkage pool, the layering can compress tightly on fixed mounting groove with the probe of waiting to install that is located the installation space.

4. The probe positioning device convenient for detecting the depth of a concrete crack according to claim 3, characterized in that: the elastic compression component comprises an outer sleeve, two strip-shaped sliding holes are symmetrically arranged on the body of the outer sleeve by taking the central line of the outer sleeve as a symmetry axis, the strip-shaped sliding holes extend along the direction parallel to the central line of the outer sleeve and are communicated with the inner sleeve, an inner sliding rod which can be in sliding fit with the outer sleeve along the central line direction is arranged in the outer sleeve, one end of the inner sliding rod extends out of the outer sleeve, a sliding handle is arranged at the position of the outer sleeve corresponding to the strip-shaped sliding holes, the sliding handle penetrates through the corresponding strip-shaped sliding holes along the radial direction of the outer sleeve and is in threaded connection with the inner sliding rod positioned in the outer sleeve, the sliding handle can be in sliding fit with the strip-shaped sliding holes along the extending direction of the strip-shaped sliding holes, the end, far away from the inner sliding rod, of the outer sleeve is fixedly connected to the pressing bar, one end, extending out of the inner sliding rod, is fixedly connected to the pressing bar, and an extrusion spring is arranged at the position between the pressing bar and the inner sliding rod in the outer sleeve, two ends of the extrusion spring are respectively abutted on the pressing block and the inner sliding rod to provide spring force for the sliding handle to abut on one end, far away from the pressing block, of the strip-shaped sliding hole.

5. The probe positioning device convenient for detecting the depth of a concrete crack according to claim 3, characterized in that: the swinging arm is kept away from the one end fixedly connected with of articulated piece promotes the rail, and the extending direction perpendicular to of promotion rail the bottom plate place plane promotes on the rail sliding connection and promotes the seat and can slide along promoting rail extending direction, and the both ends of promoting the rail fixedly connected with respectively blocks the piece and blocks spacingly in order to can block the promotion seat, fixed block and promotion seat fixed connection.

6. The probe positioning device convenient for detecting the depth of a concrete crack according to claim 3, characterized in that: the slide bar is located the fixed block with pole body between the briquetting is gone up to the cover and is equipped with reset spring under the natural state, and reset spring's both ends respectively the butt be in the fixed block with on the briquetting and can make the briquetting with the fixed block is separated by the setting so that treat that the installation probe enters into in the installation space.