CN214120972U

CN214120972U - Device for detecting constructional engineering

Info

Publication number: CN214120972U
Application number: CN202023165413.5U
Authority: CN
Inventors: 周晓璇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a device for building engineering detects, comprises a workbench, the terminal surface fixed mounting of workstation has screw rod and annular scale. Has the advantages that: the utility model discloses an automatic cleaning semicircle pipe, when using test probe, utilize control panel, extend the flexible end of pneumatic cylinder, support test probe and remove, two sets of gyro wheels contact earlier and are detected the face, continue to extend the flexible end of pneumatic cylinder, can make two sets of automatic cleaning semicircle pipes separate each other, drive two sets of clean sponges respectively and be synchronous motion, when two sets of telescopic links are in the biggest tensile length, two sets of clean sponges and test probe's tip dislocation, test probe drives two sets of sliders and continues the motion, two sets of reset spring are in tensile state this moment, when test probe contact is detected the face, two sets of clean sponges can be extruded to two sets of sliders, through the automatic cleaning semicircle pipe that sets up, can be after using, automatic cleaning test probe.

Description

Device for detecting constructional engineering

Technical Field

The utility model relates to a building engineering detects technical field, particularly, relates to a device for building engineering detects.

Background

The building engineering refers to the general name of various buildings and engineering facilities which provide material and technical foundations for human life and production, after the construction of the building engineering is finished, a device for detecting the building engineering needs to be used for detecting the building engineering, whether the building engineering reaches the national standard or not is detected, and when the device for detecting the building engineering is actually used, the device has the advantages of being simple in operation, accurate in detection, convenient to move, safe to use and the like.

Present device for building engineering detects, the building engineering within range, do not carry out further cleanness, its surface can be infected with a large amount of dust, during the actual use, test probe need with be detected the face in close contact with, consequently can be infected with and adsorb the dust that is detected the face gathering, need the manual cleanness of user, and it is more by the test face, frequent manual clean test probe, increase user's work load, bring inconvenience for the clean use of the device that is used for building engineering to detect, secondly, when test probe extends the use, can be external in the air, because the building engineering environment is complicated, when being touched by the foreign object accident, can lead to the condition of damage to take place, bring the hidden danger for the protective use of the device that is used for building engineering to detect.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a device for building engineering detects possesses can be after the use, self-cleaning test probe, can avoid foreign object direct collision test probe's advantage, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realize the aforesaid can be after the use, self-cleaning test probe, can avoid foreign object direct collision test probe's advantage, the utility model discloses a concrete technical scheme as follows:

the utility model provides a device for building engineering detects, includes the workstation, the terminal surface fixed mounting of workstation has screw rod and annular scale, the lateral wall of screw rod cup joints installs adjustable ring and fastening screwed pipe, the lateral wall fixed mounting of adjustable ring has the fixed plate, and the terminal surface fixed mounting of fixed plate has the pneumatic cylinder to the flexible fixed mounting of pneumatic cylinder has the appearance of detecting a flaw, the lower part fixed mounting of the appearance of detecting a flaw has test probe, and test probe's one end lateral wall installs two sets of self-cleaning semicircle pipes, appearance and the test probe lateral wall of detecting a flaw cup joint and install first hyaline tube, second hyaline tube, third hyaline tube and fourth hyaline tube, the lower part fixed mounting of workstation has four groups support columns, screw rod and fastening screwed pipe intermeshing.

Further, the side wall of the detection probe is provided with two groups of built-in grooves, the inner end parts of the two groups of built-in grooves are fixedly provided with telescopic rods, one ends of the two groups of telescopic rods are fixedly provided with slide blocks, the side walls of the two groups of telescopic rods are sleeved with telescopic springs, the inner opposite surfaces of the two groups of self-cleaning semi-circular tubes are provided with limiting slide grooves and cleaning sponges, the two groups of slide blocks are respectively positioned in the two groups of limiting slide grooves, the upper parts of the two groups of slide blocks are fixedly provided with reset springs, one ends of the two groups of reset springs are respectively fixedly connected with the inner end parts of the two groups of limiting slide grooves, the upper parts of the two groups of cleaning sponges are contacted with one ends of the detection probe, the outer side walls of the two groups of self-cleaning semi-circular tubes are respectively and fixedly provided with inclined rods, and the side wall of one end of each inclined rod penetrates through and is rotatably provided with a rotating shaft, and the side walls of the two groups of rotating shafts are sleeved with rollers.

Furthermore, the two groups of rollers are all positioned on the same horizontal line.

Further, a fixed pore plate is sleeved on the side wall of one end of the fixed plate, one end of the first transparent pipe is fixedly connected with the lower part of the fixed pore plate, a first fixing ring is sleeved on the side wall of the other end of the first transparent pipe, the second transparent pipe is sleeved on the side wall of the first fixing ring, a first limit ring is fixedly installed at one end of the second transparent pipe, a second fixing ring is fixedly sleeved on the side wall of the other end of the second transparent pipe, the third transparent pipe is sleeved on the side wall of the second fixing ring, a second limit ring is fixedly installed at one end of the third transparent pipe, a third fixing ring is fixedly sleeved on the side wall of the other end of the third transparent pipe, a fourth transparent pipe is sleeved on the side wall of the third fixing ring, a third limit ring is fixedly installed at one end of the fourth transparent pipe, and an installation iron plate is fixedly installed on the outer side walls of the two groups of the self-cleaning semicircular pipes, and one end of the fourth transparent tube is fixedly provided with a magnet ring, and the lower part of the magnet ring is in adsorption contact with the upper parts of the two groups of installation iron plates.

Furthermore, the cross section size of the first spacing ring is larger than that of the first fixing ring, the cross section size of the second spacing ring is larger than that of the second fixing ring, and the cross section size of the third spacing ring is larger than that of the third fixing ring.

Further, control panel is installed to the terminal surface of appearance of detecting a flaw, and control panel passes through electric wire and pneumatic cylinder, appearance of detecting a flaw and test probe electric connection.

Furthermore, universal wheels are installed at one ends of the four groups of support columns.

(III) advantageous effects

Compared with the prior art, the utility model provides a device for building engineering detects possesses following beneficial effect:

(1) the utility model adopts the automatic cleaning semi-circular pipe, when using the detecting probe, the control panel is utilized to extend the telescopic end of the hydraulic cylinder to abut against the detecting probe to move, the two groups of rollers firstly contact with the detected surface, the telescopic end of the hydraulic cylinder is continuously extended, the two groups of automatic cleaning semi-circular pipes are separated from each other to respectively drive the two groups of cleaning sponges to do synchronous motion, the two groups of telescopic rods and the two groups of telescopic springs are in stretching state, when the two groups of telescopic rods are in maximum stretching length, the two groups of cleaning sponges are staggered with the end part of the detecting probe, the detecting probe drives the two groups of sliders to continue moving, at the moment, the two groups of reset springs are in stretching state, when the detecting probe contacts with the detected surface, the two groups of sliders can extrude the two groups of cleaning sponges, after the use, the telescopic end of the resetting hydraulic cylinder, the two groups of telescopic springs and the two groups of reset springs are under the self elastic force action, can drive two sets of clean sponges and two sets of sliders and resume the normal position, two sets of clean sponges are done the motion in opposite directions by two sets of expanding spring's elasticity effect, and at this in-process, the tip of test probe can be cleaned on the upper portion of two sets of clean sponges, and two sets of spacing spouts play the effect of horizontal spacing test probe, through the self-cleaning semicircle pipe that sets up, can be after the use, self-cleaning test probe, for the clean use of the device that is used for the building engineering to detect brings the facility.

(2) The utility model adopts the first transparent pipe, the second transparent pipe, the third transparent pipe and the fourth transparent pipe, when the telescopic end of the hydraulic cylinder is extended, the detection probe drives the two groups of self-cleaning semicircular pipes to be far away from the workbench, at the moment, the two groups of installation iron plates can drive the magnet ring to do synchronous motion, the magnet ring drives the fourth transparent pipe, the third transparent pipe, the second transparent pipe and the first transparent pipe to move in sequence, at the moment, the coincidence ends of the first transparent pipe, the second transparent pipe, the third transparent pipe and the fourth transparent pipe are gradually reduced, because the cross section size of the first limiting ring is larger than that of the first fixing ring, the cross section size of the second limiting ring is larger than that of the second fixing ring, the cross section size of the third limiting ring is larger than that of the third fixing ring, the first transparent pipe, the second transparent pipe, the third transparent pipe and the fourth transparent pipe can not be disconnected with each other, the detection probe is used along with the movement of the detection probe, the first transparent tube, the second transparent tube, the third transparent tube and the fourth transparent tube always cover the external flaw detector and the detection probe, foreign objects cannot be directly touched, the first transparent tube, the second transparent tube, the third transparent tube and the fourth transparent tube can avoid the direct collision of the foreign objects on the detection probe, and a guarantee is brought for the protection use of the device for building engineering detection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an apparatus for building engineering inspection according to the present invention;

FIG. 2 is a perspective view of the screw rod of the present invention;

FIG. 3 is a perspective view of the self-cleaning semicircular tube of the present invention;

FIG. 4 is an enlarged view of A of FIG. 1 according to the present invention;

fig. 5 is an enlarged view of B in fig. 1 according to the present invention.

In the figure:

1. a work table; 2. a screw; 3. an annular scale; 4. an adjusting ring; 5. fastening the threaded pipe; 6. a fixing plate; 7. a hydraulic cylinder; 8. a flaw detector; 9. detecting a probe; 10. automatically cleaning the semicircular pipe; 11. a support pillar; 12. a first transparent tube; 13. a second transparent tube; 14. a third transparent tube; 15. a fourth transparent tube; 16. a built-in groove; 17. a telescopic rod; 18. a tension spring; 19. a slider; 20. a limiting chute; 21. a return spring; 22. cleaning the sponge; 23. a diagonal bar; 24. a rotating shaft; 25. a roller; 26. fixing the orifice plate; 27. a first limit ring; 28. a first retaining ring; 29. a second stop collar; 30. a second retaining ring; 31. a third limit ring; 32. a third fixing ring; 33. installing an iron plate; 34. a magnetic ring.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a device for building engineering detects.

Referring now to the drawings and the detailed description, as shown in fig. 1-5, an apparatus for building engineering inspection according to an embodiment of the present invention comprises a worktable 1, a screw 2 and an annular scale 3 are fixedly installed on an end surface of the worktable 1, an adjusting ring 4 and a fastening threaded pipe 5 are installed on a side wall of the screw 2 in a sleeved manner, a fixing plate 6 is fixedly installed on a side wall of the adjusting ring 4, a hydraulic cylinder 7 is fixedly installed on an end surface of the fixing plate 6, a flaw detector 8 is fixedly installed on an expansion end of the hydraulic cylinder 7, a detection probe 9 is fixedly installed on a lower portion of the flaw detector 8, two sets of self-cleaning semicircular pipes 10 are installed on a side wall of one end of the detection probe 9, a first transparent pipe 12, a second transparent pipe 13, a third transparent pipe 14 and a fourth transparent pipe 15 are installed on side walls of the flaw detector 8 and the detection probe 9, four sets of support pillars 11 are fixedly installed on a lower portion of the worktable 1, the screw 2 and the fastening threaded pipe 5 are meshed with each other, and the hydraulic cylinder 7, the flaw detector 8 and the detection probe 9 are all of the conventional structures and are not described in detail herein.

In one embodiment, two sets of built-in grooves 16 are disposed on the side wall of the detection probe 9, and the inner end portions of the two sets of built-in grooves 16 are both fixedly mounted with telescopic rods 17, and one end of each of the two sets of telescopic rods 17 is both fixedly mounted with a slider 19, and the side walls of the two sets of telescopic rods 17 are both sleeved with a telescopic spring 18, the inner opposite surfaces of the two sets of self-cleaning semi-circular tubes 10 are both provided with a limit sliding groove 20 and a cleaning sponge 22, the two sets of sliders 19 are respectively positioned inside the two sets of limit sliding grooves 20, the upper portions of the two sets of sliders 19 are both fixedly mounted with return springs 21, and one end of each of the two sets of return springs 21 is respectively fixedly connected with the inner end portions of the two sets of limit sliding grooves 20, the upper portions of the two sets of cleaning sponges 22 are in contact with one end of the detection probe 9, the outer side walls of the two sets of self-cleaning semi-circular tubes 10 are both fixedly mounted with diagonal rods 23, and one end side walls of the two sets of diagonal rods 23 are both rotatably mounted with a rotating shaft 24, and the side walls of the two sets of rotating shafts 24 are sleeved with rollers 25, when the detection probe 9 is used, the control panel is utilized to extend the telescopic end of the hydraulic cylinder 7 to abut against the detection probe 9 to move, the two sets of rollers 25 firstly contact with the detected surface, and the telescopic end of the hydraulic cylinder 7 is continuously extended, so that the two sets of automatic cleaning semi-circular tubes 10 are separated from each other to respectively drive the two sets of cleaning sponges 22 to move synchronously, the two sets of telescopic rods 17 and the two sets of telescopic springs 18 are in a stretching state, when the two sets of telescopic rods 17 are in the maximum stretching length, the two sets of cleaning sponges 22 are staggered with the end part of the detection probe 9, the detection probe 9 drives the two sets of sliders 19 to move continuously, at the moment, the two sets of reset springs 21 are in a stretching state, when the detection probe 9 contacts with the detected surface, the two sets of sliders 19 can extrude the two sets of cleaning sponges 22, and when the use is finished, the telescopic end of the hydraulic cylinder 7 is reset, two sets of expanding spring 18 and two sets of reset spring 21 receive self elastic force effect, can drive two sets of clean sponge 22 and two sets of sliders 19 and resume the normal position, two sets of clean sponge 22 receive two sets of expanding spring 18's elastic force effect to do the motion in opposite directions, in this process, the tip of test probe 9 can be cleaned on the upper portion of two sets of clean sponge 22, two sets of spacing spouts 20 play the effect of horizontal spacing test probe 9, through the self-cleaning semicircle pipe 10 that sets up, can be after the use, self-cleaning test probe 9, bring the facility for the clean use of the device that is used for the building engineering to detect.

In one embodiment, the two sets of rollers 25 are all located on the same horizontal line, so as to avoid the two sets of self-cleaning semicircular tubes 10 from moving away from each other at the same time due to the dislocation of the two sets of rollers 25.

In one embodiment, a fixed orifice plate 26 is sleeved on a side wall of one end of the fixed plate 6, one end of the first transparent tube 12 is fixedly connected with a lower portion of the fixed orifice plate 26, a first fixed ring 28 is sleeved on a side wall of the other end of the first transparent tube 12, a side wall of the second transparent tube 13 is sleeved on a side wall of the first fixed ring 28, a first limit ring 27 is fixedly installed on one end of the second transparent tube 13, a second fixed ring 30 is fixedly sleeved on a side wall of the other end of the second transparent tube 13, a side wall of the third transparent tube 14 is sleeved on a side wall of the second fixed ring 30, a second limit ring 29 is fixedly installed on one end of the third transparent tube 14, a third fixed ring 32 is fixedly sleeved on a side wall of the third transparent tube 14, a third limit ring 31 is fixedly installed on one end of the fourth transparent tube 15, iron plates 33 are fixedly installed on outer side walls of the two sets of the self-cleaning semicircular tubes 10, a magnet ring 34 is fixedly arranged at one end of the fourth transparent tube 15, the lower part of the magnet ring 34 is in adsorption contact with the upper parts of the two groups of installation iron plates 33, when the telescopic end of the hydraulic cylinder 7 is extended, the detection probe 9 drives the two groups of self-cleaning semicircular tubes 10 to be far away from the workbench 1, at the moment, the two groups of installation iron plates 33 drive the magnet ring 34 to synchronously move, the magnet ring 34 drives the fourth transparent tube 15, the third transparent tube 14, the second transparent tube 13 and the first transparent tube 12 to move in sequence, at the moment, the superposed ends of the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 are gradually reduced, because the cross section size of the first limiting ring 27 is larger than that of the first fixing ring 28, the cross section size of the second limiting ring 29 is larger than that of the second fixing ring 30, and the cross section size of the third limiting ring 31 is larger than that of the third fixing ring 32, the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 are not disconnected with each other and used along with the movement of the detection probe 9, the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 always cover and contain the external flaw detector 8 and the detection probe 9, foreign objects cannot be directly touched, and the detection probe 9 can be prevented from being directly collided by the foreign objects through the arranged first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15, so that a guarantee is brought for the protection use of a device for building engineering detection.

In one embodiment, the first stop collar 27 has a cross-sectional dimension greater than the cross-sectional dimension of the first retaining ring 28, the second stop collar 29 has a cross-sectional dimension greater than the cross-sectional dimension of the second retaining ring 30, and the third stop collar 31 has a cross-sectional dimension greater than the cross-sectional dimension of the third retaining ring 32 to prevent the first transparent tube 12, the second transparent tube 13, the third transparent tube 14, and the fourth transparent tube 15 from separating from one another.

In one embodiment, a control panel is mounted on the end face of the flaw detector 8, and the control panel is electrically connected with the hydraulic cylinder 7, the flaw detector 8 and the detection probe 9 through electric wires, and the control panel plays a role in controlling the hydraulic cylinder 7, the flaw detector 8 and the detection probe 9 to work.

In one embodiment, one end of each of the four sets of support columns 11 is provided with a universal wheel, and the four sets of universal wheels are convenient to move and use the device for detecting the construction engineering.

The working principle is as follows:

when the device for detecting the building engineering is used by connecting a circuit, the hydraulic cylinder 7, the flaw detector 8 and the detection probe 9 are controlled to work through the control panel, the screw 2 is meshed with the fastening threaded pipe 5, the fastening threaded pipe 5 is rotated anticlockwise, the adjusting ring 4 is rotated randomly when one end of the fastening threaded pipe 5 is separated from the adjusting ring 4, the use angle of the detection probe 9 is further adjusted, when the expected position is reached, the fastening threaded pipe 5 is rotated clockwise, the movement is stopped when one end of the fastening threaded pipe 5 is in close contact with the adjusting ring 4, when the detection probe 9 is used, the telescopic end of the hydraulic cylinder 7 is extended by the control panel to abut against the detection probe 9 to move, the two groups of rollers 25 contact with the detected surface firstly, the telescopic end of the hydraulic cylinder 7 is extended continuously, the two groups of self-cleaning semicircular pipes 10 are separated from each other, and the two groups of cleaning sponges 22 are driven to do synchronous motion respectively, the two groups of telescopic rods 17 and the two groups of telescopic springs 18 are in a stretching state, when the two groups of telescopic rods 17 are in the maximum stretching length, the two groups of cleaning sponges 22 are dislocated with the end part of the detection probe 9, the detection probe 9 drives the two groups of sliding blocks 19 to continue moving, at the moment, the two groups of return springs 21 are in a stretching state, when the detection probe 9 contacts a detected surface, the two groups of sliding blocks 19 can extrude the two groups of cleaning sponges 22, after the detection probe is used, the telescopic ends of the hydraulic reset cylinder 7 are reset, the two groups of telescopic springs 18 and the two groups of return springs 21 are under the action of self elastic force to drive the two groups of cleaning sponges 22 and the two groups of sliding blocks 19 to recover to the original positions, the two groups of cleaning sponges 22 are moved oppositely under the action of the elastic force of the two groups of telescopic springs 18, in the process, the upper parts of the two groups of cleaning sponges 22 can wipe the end part of the detection probe 9, and the two groups of limiting chutes 20 can limit the detection probe 9 transversely, through the arranged automatic cleaning semi-circular tube 10, the detection probe 9 can be automatically cleaned after the use is finished, so that the cleaning use of the device for detecting the building engineering is facilitated, meanwhile, when the telescopic end of the hydraulic cylinder 7 is extended, the detection probe 9 drives the two groups of automatic cleaning semi-circular tubes 10 to be far away from the workbench 1, at the moment, the two groups of installation iron plates 33 can drive the magnet ring 34 to synchronously move, the magnet ring 34 sequentially drives the fourth transparent tube 15, the third transparent tube 14, the second transparent tube 13 and the first transparent tube 12 to move, at the moment, the superposed ends of the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 are gradually reduced, because the cross section size of the first limiting ring 27 is larger than that of the first fixing ring 28, the cross section size of the second limiting ring 29 is larger than that of the second fixing ring 30, and the cross section size of the third limiting ring 31 is larger than that of the third fixing ring 32, the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 are not disconnected with each other and used along with the movement of the detection probe 9, the first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15 always cover and contain the external flaw detector 8 and the detection probe 9, foreign objects cannot be directly touched, and the detection probe 9 can be prevented from being directly collided by the foreign objects through the arranged first transparent tube 12, the second transparent tube 13, the third transparent tube 14 and the fourth transparent tube 15, so that a guarantee is brought for the protection use of a device for building engineering detection.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a device for building engineering detects, a serial communication port, includes workstation (1), the terminal surface fixed mounting of workstation (1) has screw rod (2) and annular scale (3), the lateral wall of screw rod (2) cup joints and installs adjustable ring (4) and fastening screwed pipe (5), the lateral wall fixed mounting of adjustable ring (4) has fixed plate (6), and the terminal surface fixed mounting of fixed plate (6) has pneumatic cylinder (7), and the flexible fixed mounting of pneumatic cylinder (7) has flaw detector (8), the lower part fixed mounting of flaw detector (8) has test probe (9), and the one end lateral wall of test probe (9) installs two sets of self-cleaning semicircle pipes (10), first hyaline tube (12), second hyaline tube (13), third hyaline tube (14) and fourth hyaline tube (15) are cup jointed to install to test instrument (8) and test probe (9) lateral wall, the lower part of the workbench (1) is fixedly provided with four groups of supporting columns (11), and the screw rods (2) are meshed with the fastening threaded pipes (5).

2. The device for building engineering detection according to claim 1, wherein the side wall of the detection probe (9) is provided with two sets of built-in grooves (16), the inner end portions of the two sets of built-in grooves (16) are fixedly provided with telescopic rods (17), one ends of the two sets of telescopic rods (17) are fixedly provided with sliding blocks (19), the side walls of the two sets of telescopic rods (17) are sleeved with telescopic springs (18), the inner opposite surfaces of the two sets of automatic cleaning semicircular tubes (10) are respectively provided with limiting sliding grooves (20) and cleaning sponges (22), the two sets of sliding blocks (19) are respectively positioned inside the two sets of limiting sliding grooves (20), the upper portions of the two sets of sliding blocks (19) are respectively and fixedly provided with reset springs (21), and one ends of the two sets of reset springs (21) are respectively and fixedly connected with the inner end portions of the two sets of limiting sliding grooves (20), two sets of the upper portion of clean sponge (22) and the one end contact of test probe (9), it is two sets of the equal fixed mounting of outside lateral wall of self-cleaning semicircle pipe (10) has down tube (23), and two sets of the one end lateral wall of down tube (23) all runs through to rotate and installs pivot (24), and two sets of the lateral wall of pivot (24) all cup joints and installs gyro wheel (25).

3. A device for building engineering detection according to claim 2, characterized in that both sets of rollers (25) are located on the same horizontal line.

4. The device for building engineering detection according to claim 1, wherein a fixing pore plate (26) is sleeved on one end side wall of the fixing plate (6), one end of the first transparent tube (12) is fixedly connected with the lower portion of the fixing pore plate (26), a first fixing ring (28) is sleeved on the other end side wall of the first transparent tube (12), the second transparent tube (13) is sleeved on the side wall of the first fixing ring (28), a first limiting ring (27) is fixedly installed at one end of the second transparent tube (13), a second fixing ring (30) is fixedly sleeved on the other end side wall of the second transparent tube (13), a third transparent tube (14) is sleeved on the side wall of the second fixing ring (30), a second limiting ring (29) is fixedly installed at one end of the third transparent tube (14), a third fixing ring (32) is fixedly sleeved on the other end side wall of the third transparent tube (14), the lateral wall of cup jointing at the solid fixed ring of third (32) of fourth hyaline tube (15), the one end fixed mounting of fourth hyaline tube (15) has third spacing ring (31), and is two sets of the equal fixed mounting of outside lateral wall of self-cleaning semicircle pipe (10) has installation iron plate (33), the one end fixed mounting of fourth hyaline tube (15) has magnet ring (34), and the lower part and the two sets of magnet ring (34) the upper portion adsorption contact of installation iron plate (33).

5. A device for building engineering detection according to claim 4, characterized in that the first stop collar (27) has a cross-sectional dimension greater than the cross-sectional dimension of the first securing ring (28), the second stop collar (29) has a cross-sectional dimension greater than the cross-sectional dimension of the second securing ring (30), and the third stop collar (31) has a cross-sectional dimension greater than the cross-sectional dimension of the third securing ring (32).

6. The device for building engineering detection according to claim 1, wherein a control panel is mounted on the end face of the flaw detector (8), and the control panel is electrically connected with the hydraulic cylinder (7), the flaw detector (8) and the detection probe (9) through electric wires.

7. A device for building engineering detection according to claim 1, characterized in that one end of each of the four sets of support columns (11) is equipped with a universal wheel.