Device and method for detecting position of embedded line pipe in concrete floor

Abstract

The invention discloses a device and method for detecting the position of a pre-embedded line pipe in a concrete floor, and relates to the technical field of constructional engineering.The device comprises a detection mechanism used for detecting the position of a pipeline, and the detection mechanism comprises a machine body and a detection head; the machine body comprises a data mainboard used for processing signals, a positioning display used for imaging according to the signals and displaying the pipeline position and a power supply module, the detection head comprises a signal transmitting head and a signal receiving head which are both installed at one end of the machine body, and the data mainboard is electrically connected to the positioning display, the power supply module and the detection head. The device has the effect that the position of the embedded pipeline can be conveniently detected.

Description

Technical Field

[0001] The present application relates to the technical field of construction engineering, and in particular to a device and method for detecting the position of pre-buried wire pipes in concrete floor slabs. Background Art

[0002] In modern building construction, wires and other communication line pipes are usually preset in the concrete floor before pouring, and the pipelines are not visible in the later stage. During the later construction and maintenance, the maintenance personnel do not know the location of the pipelines because the pre-buried maintenance personnel and the original pre-buried pipelines are not from the same construction team or construction personnel or the time has passed so long that the staff have long forgotten the location of the pipelines. Therefore:

[0003] The first method is to observe the pipeline outlet and dig to determine the pipeline location;

[0004] The second method is to clamp a device that can send out signals on the exposed head of the pipeline, and then use another detection device, which is held by staff and scanned on the floor to detect the location of the pipeline.

[0005] The above two methods, one is completely manual and easy to damage the pipeline; the other has relatively numerous and bulky equipment, both of which are inconvenient, so the present application proposes a new technical solution. Summary of the invention

[0006] In order to facilitate the detection of the position of the pre-buried wire conduit, the present application provides a device and method for detecting the position of the pre-buried wire conduit in a concrete floor.

[0007] The present application provides a device and method for detecting the position of a pre-buried wire pipe in a concrete floor slab, which adopts the following technical solution:

[0008] The detection mechanism includes a detection mechanism for detecting the position of the pipeline, the detection mechanism includes a body and a detection head, the body includes a data mainboard for processing signals, a positioning display for imaging and displaying the position of the pipeline according to the signals, and a power supply module, the detection head includes a signal transmitting head and a signal receiving head and both are installed at one end of the body, the data mainboard is electrically connected to the positioning display, the power supply module and the detection head, and the data mainboard is configured as follows:

[0009] Two timing modules are established, and one timing module is used for timing the signal transmission time of the signal transmitter and is defined as t1;

[0010] Another timing module is used to time the signal receiving time of the signal receiving head and is defined as t2;

[0011] Calculate the difference between t2 and t1 of any signal cycle, and define the difference between t2 and t1 of any signal cycle to represent the detected depth;

[0012] Compare multiple consecutive difference values;

[0013] If a certain difference is smaller than other adjacent differences on the time axis, a prompt message indicating that the corresponding wire tube is detected is output and displayed on the positioning display.

[0014] Optionally, it also includes a balancing mechanism, which includes a connecting ball and a bracket, the connecting ball being movably connected to a wall panel of the body away from the positioning display and located at an end of the body away from the detection head, and one end of the bracket being fixed to the connecting ball; the bracket first extends laterally and then upward, and finally extends toward the body; a cross bar located above the body is fixed on the bracket, the length of the cross bar is greater than the width of the body, and pull ropes are provided at both ends of the cross bar, and the ends of the two pull ropes are respectively vertically slidably connected to the two side walls of the body, and the weight of the end of the body close to the detection head is greater than the weight of the end away from the detection head.

[0015] Optionally, two side walls of the machine body connected to the pull rope are provided with sliding grooves, a movable block is slidingly connected in the sliding groove, and the pull rope is connected to the movable block.

[0016] Optionally, two linear guide rails corresponding to two pull ropes are provided on the cross bar, and the ends of the pull ropes are connected to the sliders of the linear guide rails. A pressure membrane is provided in the slide groove and the pressure membrane is arranged below the movable block located at the highest point of the slide groove. The pressure membrane and the linear guide rails are electrically connected to the data main board respectively, and the data main board is configured as follows: if the pressure value fed back by the pressure membrane is greater than a preset value, the linear guide rails on non-same side are controlled to operate.

[0017] Optionally, it also includes a movable trolley for driving the detection mechanism to move, a connecting frame is installed on the movable trolley, a clamping block is fixed to the upper end of the connecting frame, a clamping groove is formed at the intersection of the lateral section and the upward extending section of the bracket, the clamping block is inserted into the clamping groove, the side wall of the connecting frame is rotatably connected to a support rod, a section of the bracket close to the connecting ball is provided with a fixing groove for the support rod to be clamped, and the end of the support rod is inserted into the fixing groove; the movable trolley is provided with a notch for the signal of the detection head to pass through, and the movable trolley is an electric structure.

[0018] Optionally, a bolt is threadedly connected to the side wall of the body, the pull rope is fixed to the bolt, a fixing seat for bolt fixing is installed on the movable trolley, and the fixing seat is provided with a threaded groove.

[0019] Optionally, a rope winding assembly is provided on the slider of the linear guide rail, and the rope winding assembly includes a rotating seat and a rotating shaft. The rotating seat is fixedly connected to the slider, and the rotating shaft is rotatably connected to the rotating seat and can move axially relative to the rotating seat. A limiting block is radially extended at one end of the rotating shaft, and a limiting groove is dug on the rotating seat for the limiting block to be engaged, and the pull rope is arranged around the rotating shaft.

[0020] Optionally, the mobile car integrates a wireless communication module and is equipped with a remote controller, the wireless communication module is connected to the remote controller and a data main board, and the data main board is configured to: if a certain difference is smaller than other adjacent differences on the time axis, the mobile car is made to alarm through a preset sound / light alarm;

[0021] The movable vehicle is configured to obtain a plurality of continuous difference values ​​of the detection mechanism for comparison results if receiving a command from the sound / light alarm, and perform movement control according to the comparison results.

[0022] The present application provides a high-precision detection method for the position of pre-buried wire pipes in a concrete floor slab, which adopts the following technical solutions:

[0023] A high-precision detection method for the position of a pre-buried wire conduit in a concrete floor slab, applied to the high-precision detection device for the position of a pre-buried wire conduit in a concrete floor slab as claimed in any one of claim 8, comprising the following steps:

[0024] S1. Preparatory work, including:

[0025] Select the method of using the detection device;

[0026] If the selected usage method requires carrying the bracket by hand, install the bracket and the body shell;

[0027] If the selected usage mode requires the use of a mobile trolley, the bracket on the housing is connected to the mobile trolley;

[0028] S2, detection pipeline, which includes:

[0029] Carry the detection device by hand or move it with a mobile trolley;

[0030] Observe the pipeline position through the positioning display;

[0031] Determine the specific position of the pipeline based on the image sent back to the positioning display by the detection device;

[0032] S3. Maintenance pipeline, including:

[0033] Excavate the floor slab according to the detected pipeline location;

[0034] Repair the pipeline.

[0035] To summarize, the present application includes the following beneficial technical effects: the detection head emits ultrasonic or electromagnetic waves as a detection signal. When the signal encounters an obstacle, such as a pre-buried wire pipe, it will be reflected back and received by the detection head, and then the signal will be transmitted to the data main board for analysis and processing. The distribution of pipelines in the floor can be intuitively observed through the positioning display, making it more convenient to detect the position of pre-buried pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of this application;

[0037] Figure 2 It is a schematic diagram of the internal structure of the body of the present application;

[0038] Figure 3 is a schematic diagram of the balancing mechanism of the present application;

[0039] Figure 4 It is a connection diagram of the bracket and the connecting frame of the present application;

[0040] Figure 5 yes Figure 4 A magnified view of part A;

[0041] Figure 6 This is the data mainboard connection diagram for this application;

[0042] Figure 7 is a flow chart of the method in this application.

[0043] Explanation of the reference numerals: 1. detection mechanism; 2. balancing mechanism; 3. movable trolley; 11. machine body; 111. data main board; 112. positioning display; 113. power supply module; 114. movable block; 115. pressure membrane; 12. detection head; 121. signal transmitter; 122. signal receiver; 21. connecting ball; 22. bracket; 23. cross bar; 24. pull rope; 25. linear guide; 26. rope winding assembly; 261. rotating seat; 262. rotating shaft; 263. limiting block; 31. connecting frame; 32. clamping block; 33. support rod; 34. fixing seat; 35. wireless communication module; 36. remote control. DETAILED DESCRIPTION

[0044] The following is combined with Figure 1-7 This application is described in further detail.

[0045] The embodiments of the present application disclose a device and method for detecting the position of a pre-buried wire conduit in a concrete floor slab.

[0046] Reference Figure 1 and Figure 2The high-precision detection device for the position of the pre-buried wire pipe in the concrete floor comprises a detection mechanism 1 for detecting the position of the pipeline. The detection mechanism 1 comprises a body 11 and a detection head 12. The detection head 12 is installed at one end of the shell of the body 11. The shell of the body 11 is a rectangular structure, mainly including three modules: a data main board 111, a positioning display 112 and a power supply module 113. The data main board 111 can be an integrated circuit board with an integrated data processor, which is mainly used to receive the signal fed back by the detection head 12 and process the signal. The positioning display 112 can present the data results processed by the data main board 111 to the staff through the screen of the positioning display 112, so as to facilitate the staff to carry out the next step of work. The power supply module 113 supplies power to all modules and can be designed according to the needs of the working environment. It can be an active power supply mode or a passive power supply mode.

[0047] Ultrasonic waves or electromagnetic waves are emitted by the detection head 12 as detection signals. When the signal encounters an obstacle, such as a pre-buried wire pipe, it will be reflected back and received by the detection head 12, and then the signal will be transmitted to the data main board 111. The data main board 111 uses embedded algorithm formulas, such as v*t / 2, that is, the signal transmission speed multiplied by the time interval between receiving signals divided by two, to calculate and analyze whether the pre-buried pipeline is detected. If it is presumed that the pre-buried pipeline is detected, detection is continued based on the pipeline path imaged by the positioning display 112 and the feedback information of the data main board 111, thereby making it easier to detect the position of the pre-buried pipeline and improving the accuracy of detection.

[0048] The detection head 12 includes a signal transmitting head 121 and a signal receiving head 122. The data main board 111 is electrically connected to the positioning display 112, the power supply module 113 and the detection head 12. The data main board 111 is configured as follows:

[0049] Two timing modules are established, and one timing module is used to time the signal transmission time of the signal transmission head 121 and is defined as t1;

[0050] Another timing module is used to time the signal receiving time of the signal receiving head 122 and is defined as t2;

[0051] Calculate the difference between t2 and t1 of any signal cycle, and define the difference between t2 and t1 of any signal cycle to represent the detected depth;

[0052] Compare multiple consecutive difference values; by observing the changes in the difference values, it is possible to more intuitively determine whether there are obstacles in the floor, i.e., pre-buried wire pipes.

[0053] If a certain difference is smaller than other adjacent differences on the time axis, a prompt message indicating that the corresponding wire tube is detected is output and displayed by the positioning display 112. By analyzing and displaying the prompt message by the positioning display 112, the position of the wire tube in the floor can be more intuitively seen.

[0054] The preset signal transmission time is t1, and the first signal reception time is t2. During this period, the signal may be reflected and received multiple times. Therefore, only the received signal t2, which is the most recent transmission within the interval t1, is considered. If the transmission speed of the signal in the floor is v, the floor cross-sectional depth of the reflected signal is v*(t2-t1) / 2. However, since the speed is basically constant, it can be ignored. That is, the difference fluctuation of t2-t1 can be used to analyze whether the pre-buried pipeline is detected, and the minimum value of t2-t1 can be determined as the pre-buried pipeline.

[0055] In another embodiment of the present application:

[0056] Reference Figure 3 , also includes a balancing mechanism 2, the balancing mechanism 2 includes a connecting ball 21 and a bracket 22, the shell of the machine body 11 is away from the positioning display 112, and a groove for the connecting ball 21 to be embedded is opened, and the position of the groove is close to the end of the machine body 11 where the detection head 12 is not installed, the connecting ball 21 is hinged in the groove, and the bracket 22 is formed by the connecting ball 21 extending toward the outside, then extending upward, and finally extending toward the direction of the machine body 11. A cross bar 23 is fixed on the bracket 22, and the length of the cross bar 23 is greater than the width of the shell of the machine body 11. Pull ropes 24 are respectively provided at both ends of the cross bar 23, and the ends of the two pull ropes 24 are respectively connected to the two side walls of the machine body 11 by vertical sliding. The machine body 11 can be fixed and its balance can be maintained. The weight of one end of the body 11 close to the detection head 12 is greater than the weight of the end away from the detection head 12. A connecting ball 21 is installed on the side wall of the body 11. The connecting ball 21 and the body 11 are ball-hinged. Then, the body 11 can rotate with the heavier end facing downward. This arrangement can make the detection head 12 of the body 11 face the floor vertically as much as possible, thereby increasing the accuracy of the detected data. The installation bracket 22 makes it more convenient to hold the body 11 and the structure of the bracket 22 will not hinder the rotation of the body 11.

[0057] Reference Figure 1 and Figure 3 The two side walls connecting the machine body 11 and the pull rope 24 are provided with a slide groove, in which a movable block 114 is slidably connected, and the pull rope 24 is connected to the movable block 114. The slide groove is provided on the side wall of the machine body 11, so that the two sides of the machine body 11 will not be blocked by the pull rope 24 when the machine body 11 is tilted, so that the machine body 11 can be fixed without hindering the free rotation of the machine body 11.

[0058] A linear guide 25 is connected to the crossbar 23 by bolts and nuts. The linear guide 25 has two corresponding pull ropes 24. The guide rails of the linear guide 25 are fixed to the crossbar 23. The slider of the linear guide 25 is connected to the pull rope 24. A pressure membrane 115 is installed in the slide groove of the shell of the body 11, and the pressure membrane 115 is arranged below the movable block 114 located at the highest point of the slide groove. The pressure membrane 115 can be used to detect whether the movable block 114 moves to the vicinity of the pressure membrane 115. When the movable block 114 moves to the pressure membrane 115, that is, the bracket 22 tilts, causing the pull rope 24 on one side to move downward, but the end of the pull rope 24 on the other side is always located at the highest point of the slide groove, then the linear guide 25 can drive the pull rope 24 to move outward, so that the pull rope 24 will not be close to the body 11, and the rotation and tilt of the body 11 will not be restrained. The pressure membrane 115 and the linear guide 25 are respectively electrically connected to the data main board 111, and the data main board 111 is configured as follows:

[0059] If the pressure value fed back by the pressure film 115 is greater than the preset value, the linear guide rail 25 on the non-same side is controlled to work. The preset value is the value fed back by the pressure film 115 when there is no interference from the movable block 114. Since the pressure film 115 may also feed back pressure when there is no interference from the movable block 114, a preset value can be used for comparison and to control the linear guide rail 25 to work.

[0060] In another embodiment of the present application:

[0061] Reference Figure 3 and Figure 4 , and also includes a movable trolley 3, which is used to drive the detection mechanism 1 to move. The movable trolley 3 is an electric structure, which can be a remote-controlled trolley used in the prior art, and will not be described in detail here. A connecting frame 31 is installed on the movable trolley 3, and a clamping block 32 is fixed to the upper end of the connecting frame 31. A clamping groove is formed at the intersection of the lateral section and the upward extension section of the bracket 22. The clamping block 32 is inserted into the clamping groove, so the bracket 22 and the connecting frame 31 are clamped. The side wall of the connecting frame 31 is hinged with a support rod 33. A section of the bracket 22 close to the connecting ball 21 is dug with a fixed groove for the support rod 33 to be clamped. The end of the support rod 33 can be rotated to the fixed groove and inserted into the fixed groove, so that it can further support the connecting frame 31 and the bracket 22. The movable trolley 3 is provided with a notch for the signal of the detection head 12 to pass through. This structure facilitates the detection head 12 to extend and detect the floor.

[0062] Reference Figure 1 and Figure 3The pull rope 24 and the machine body 11 are detachably connected, and can be connected by bolts. Bolts are threadedly connected on the side wall of the machine body 11, and the pull rope 24 can be wrapped around and tied to the bolts. The movable trolley 3 is equipped with a fixing seat 34 for the bolts to penetrate, and the fixing seat 34 is dug with a threaded groove. When the movable trolley 3 is needed, the bracket 22 and the connecting frame 31 can be clamped, the support rod 33 can be bent to the fixing groove and clamped in the fixing groove, and the pull rope 24 can be removed from the side wall of the machine body 11, that is, the bolts are turned out, and then the bolts together with the pull rope 24 are fixed to the fixing seat 34.

[0063] Reference Figure 1 and Figure 5 A rope winding assembly 26 is provided on the slider of the linear guide rail 25, and the rope winding assembly 26 includes a rotating seat 261 and a rotating shaft 262. The rotating seat 261 is fixedly connected to the slider, and the rotating shaft 262 is rotatably connected to the rotating seat 261 and can move axially relative to the rotating seat 261. Both ends of the rotating shaft 262 extend outward over the side wall of the rotating seat 261, and one end radially extends a limiting block 263. The diameter of a section of the other end of the rotating shaft 262 is larger than the diameter of the through hole on the rotating seat 261 for penetration, which can prevent the rotating shaft 262 from falling off when the limiting block 263 is pushed and pulled; a rotating seat 261 near the limiting block 263 in the rotating seat 261 is dug with a limiting groove, and the limiting block 263 can be snapped into the limiting groove. The pull rope 24 is arranged around the rotating shaft 262. When the pull rope 24 does not need to be stretched, the rope winding assembly 26 can fix and lock the pull rope 24.

[0064] Reference Figure 6 The mobile car 3 integrates a wireless communication module 35 and is equipped with a remote controller 36. The wireless communication module 35 is connected to the remote controller 36 and a data main board 111. The data main board 111 is configured as follows:

[0065] If a certain difference is smaller than other adjacent differences on the time axis, the mobile car 3 is made to alarm through a preset sound / light alarm;

[0066] The configuration of the mobile car is: if an alarm command from the sound / light alarm is received, a plurality of continuous difference values ​​of the detection mechanism 1 are obtained for comparison results, and the movement control is performed according to the comparison results.

[0067] The data whose difference is smaller than other adjacent differences on the time axis can be defined as the minimum value. When the minimum value appears, the alarm will sound. After the active car receives the alarm command, it will detect and analyze where to move according to the command. For example: after the alarm sounds, if it moves to the left, the minimum value appears first and then disappears, or disappears between the minimum values, it will continue to move to the right and return to the original position, and move forward at the position where the minimum value appears. If the minimum value disappears again, it will continue to return to the original position and continue to move in another direction. If the minimum value does not disappear, it can continue to move in that direction until the minimum value disappears, and then return to the position where the most recent minimum value appears and repeat the above steps.

[0068] The embodiment of the present application also discloses a method for high-precision detection of the position of pre-buried pipelines in a concrete floor.

[0069] Reference Figure 7 The method for high-precision detection of the position of pre-buried pipelines in concrete floor slabs comprises the following steps:

[0070] S1. Preparatory work, including:

[0071] Select a method of using the detection device, such as: directly using the detection device by hand, using the bracket 22 by hand, and using it in conjunction with the movable vehicle 3.

[0072] If the selected usage mode requires carrying the bracket 22 by hand, the bracket 22 is installed with the housing 11;

[0073] If the selected usage method requires the use of the mobile trolley 3, the bracket 22 on the outer shell of the body 11 is clamped with the mobile trolley 3, and the body 11 and the mobile trolley 3 are installed; the bracket 22 of the body 11 is clamped with the connecting frame 31 of the mobile trolley 3, the support rod 33 is moved, and the support rod 33 is inserted into the fixing groove, the pull rope 24 is unscrewed from the side wall of the body 11 and installed on the fixing seat 34 of the mobile trolley 3; the body 11 is installed on the mobile trolley 3, and it is more convenient to detect the pipeline position without carrying the body 11 by hand.

[0074] S2, detection pipeline, which includes:

[0075] Carry the detection device by hand or move the detection device with the mobile trolley 3;

[0076] The position of the pipeline is observed through the screen of the positioning display 112; after the data main board 111 processes the data results fed back by the detection head 12, it will be presented to the staff through the screen of the positioning display 112, so that the position of the pipeline can be seen more intuitively;

[0077] Determine the specific position of the pipeline according to the image transmitted back to the positioning display 112 by the detection device;

[0078] S3. Maintenance pipeline, including:

[0079] The floor slab is excavated according to the detected pipeline position; after the specific position of the pipeline is detected, the floor slab can be excavated.

[0080] Repair the pipeline.

[0081] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs, characterized in that: The invention comprises a detection mechanism (1) for detecting the position of a pipeline, the detection mechanism (1) comprising a body (11) and a detection head (12), the body (11) comprising a data main board (111) for processing signals, a positioning display (112) for imaging and displaying the position of the pipeline according to the signals, and a power supply module (113), the detection head (12) comprising a signal transmitting head (121) and a signal receiving head (122) and both of which are installed at one end of the body (11), the data main board (111) is electrically connected to the positioning display (112), the power supply module (113) and the detection head (12), and the data main board (111) is configured as follows: Two timing modules are established, and one timing module is used for timing the signal transmission time of the signal transmission head (121) and is defined as t1; Another timing module is used to time the signal receiving time of the signal receiving head (122), and is defined as t2; Calculate the difference between t2 and t1 of any signal cycle, and define the difference between t2 and t1 of any signal cycle to represent the detected depth; Compare multiple consecutive difference values; If a certain difference is smaller than other adjacent differences on the time axis, a prompt message indicating that the corresponding wire tube has been detected is output and the positioning display (112) is instructed to display it.

2. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 1 is characterized in that: The invention also comprises a balancing mechanism (2), wherein the balancing mechanism (2) comprises a connecting ball (21) and a bracket (22), wherein the connecting ball (21) is movably connected to a wall panel of the machine body (11) away from the positioning display (112) and is located at an end of the machine body (11) away from the detection head (12), and one end of the bracket (22) is fixed to the connecting ball (21); the bracket (22) first extends toward the side and then extends upward, and finally extends toward the direction of the machine body (11); a cross bar (23) located above the machine body (11) is fixed to the bracket (22), the length of the cross bar (23) is greater than the width of the machine body (11), and both ends of the cross bar (23) are provided with a pull rope (24), and the ends of the two pull ropes (24) are respectively vertically slidably connected to the two side walls of the machine body (11), and the weight of the end of the machine body (11) close to the detection head (12) is greater than the weight of the end away from the detection head (12).

3. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 2 is characterized in that: Two side walls of the machine body (11) connected to the pull rope (24) are provided with sliding grooves, a movable block (114) is slidably connected in the sliding groove, and the pull rope (24) is connected to the movable block (114).

4. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 3 is characterized in that: The crossbar (23) is provided with two linear guide rails (25) corresponding to two pull ropes (24) respectively, the end of the pull rope (24) is connected to the slider of the linear guide rail (25), a pressure membrane (115) is provided in the slide groove, and the pressure membrane (115) is arranged below the movable block (114) located at the highest point of the slide groove, the pressure membrane (115) and the linear guide rail (25) are respectively electrically connected to the data main board (111), and the data main board (111) is configured as follows: if the feedback pressure value of the pressure membrane (115) is greater than a preset value, the linear guide rail (25) on the non-same side is controlled to work.

5. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 4 is characterized in that: It also includes a movable trolley (3) for driving the detection mechanism to move, a connecting frame (31) is installed on the movable trolley (3), a clamping block (32) is fixed to the upper end of the connecting frame (31), a clamping groove is formed at the intersection of the lateral section and the upward extension section of the bracket (22), the clamping block (32) is inserted into the clamping groove, the side wall of the connecting frame (31) is rotatably connected to a support rod (33), a section of the bracket (22) close to the connecting ball (21) is dug with a fixing groove for the support rod (33) to be clamped, and the end of the support rod (33) is inserted into the fixing groove; the movable trolley (3) is provided with a notch for the signal of the detection head (12) to pass through, and the movable trolley (3) is an electric structure.

6. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 5, characterized in that: Bolts are threadedly connected to the side wall of the machine body (11), the pull rope (24) is fixed to the bolts, and a fixing seat (34) for fixing the bolts is installed on the movable trolley (3), and the fixing seat (34) is provided with a thread groove.

7. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 6, characterized in that: A rope winding assembly (26) is arranged on the slider of the linear guide rail (25), and the rope winding assembly (26) comprises a rotating seat (261) and a rotating shaft (262). The rotating seat (261) is fixedly connected to the slider, and the rotating shaft (262) is rotatably connected to the rotating seat (261) and can move axially relative to the rotating seat (261). A limit block (263) is radially extended from one end of the rotating shaft (262), and a limit groove for the limit block (263) to be engaged is excavated on the rotating seat (261), and the pull rope (24) is arranged around the rotating shaft (262).

8. The high-precision detection device for the position of pre-buried wire pipes in concrete floor slabs according to claim 7, characterized in that: The mobile vehicle (3) is integrated with a wireless communication module (35) and is equipped with a remote controller (36). The wireless communication module (35) is connected to the remote controller (36) and a data main board (111). The data main board (111) is configured such that if a difference value at a certain time is smaller than other differences that are adjacent to each other on the time axis, the mobile vehicle (3) is caused to sound an alarm through a preset sound / light alarm. The movable vehicle (3) is configured to obtain a plurality of continuous difference values ​​of the detection mechanism (1) for comparison results upon receiving a command from the sound / light alarm device, and to perform movement control according to the comparison results.

9. A high-precision detection method for the position of pre-buried wire pipes in a concrete floor, characterized in that: A high-precision detection device for the position of a pre-buried wire conduit in a concrete floor slab as claimed in any one of claim 8, comprising the following steps: S1. Preparatory work, including: Select the method of using the detection device; If the selected usage mode requires carrying the bracket (22) by hand, the bracket (22) is installed on the housing (11); If the selected usage mode requires the use of the movable trolley (3), the bracket (22) on the outer shell of the machine body (11) is clamped with the movable trolley (3); S2, detection pipeline, which includes: The detection device is moved by hand or a mobile trolley (3) is used to move the detection device; Observing the position of the pipeline through a positioning display (112); Determine the specific position of the pipeline according to the image transmitted back to the positioning display (112) by the detection device; S3. Maintenance pipeline, including: Excavate the floor slab according to the detected pipeline location; Repair the pipeline.

Images