Disclosure of Invention
The embodiment of the application provides a hand-held type data acquisition instrument and measuring method based on underground pipeline survey and drawing, has solved among the prior art when gathering underground pipeline's data through the clamp method, and the problem of inconvenient centre gripping cable has realized the centre gripping cable of being convenient for, can be convenient for carry out the effect of survey and drawing to underground pipeline.
The embodiment of the application provides a handheld data acquisition instrument based on underground pipeline surveying and mapping, which comprises a transmitter, a receiver and a clamping device, wherein the transmitter and the clamping device are arranged on a base; a connecting wire is connected between the transmitter and the clamp device; the clamping device comprises a fixed ring connected with the connecting wire and a clamping part arranged in the fixed ring in a sliding manner; the fixing ring is in a semicircular ring shape, and an opening of the fixing ring faces downwards; a driving assembly for driving the clamping part to move is arranged on one side of the fixing ring; the clamping part is arc-shaped; one end of the clamping part is connected in the fixing ring in a sliding mode, and one end of the clamping part is inserted into the fixing ring and combined to form a circular ring shape.
Further, the fixing ring is hollow, and an arc-shaped guide groove is formed in the outer side wall of the arc-shaped fixing ring; the driving assembly comprises a driving motor arranged on one side of the fixing ring, a gear arranged on an output shaft of the driving motor, and a rack section arranged on the outer side wall of the clamping part; the rack section is arc-shaped; the rack section is connected in the guide groove in a sliding manner; the gear is engaged with the rack segment.
Furthermore, one side of the fixing ring is provided with a detection camera; the other side of the fixing ring is provided with a laser pen.
Furthermore, the height of one end, close to the driving assembly, of the fixing ring is higher than the height of one end, far away from the driving assembly, of the fixing ring.
Further, both ends of the rack segment and both ends of the clamping part are arranged at intervals.
Furthermore, one side of the base is provided with an adjusting wire frame; the adjusting wire frame comprises a fixed sleeve, a movable rod connected in the fixed sleeve in a sliding manner, and a wire guide ring arranged at one end of the movable rod far away from the base; the fixed sleeve is connected with the movable rod through a bolt; the connecting wire passes through the fixed ring, one end of the connecting wire is connected with the transmitter, and the other end of the connecting wire is connected with the clamping device.
The embodiment of the application also provides a measurement method based on underground pipeline surveying and mapping, which comprises the following steps: s1, opening a well related to the target pipeline, and measuring the actual buried depth of the pipeline; s2, placing a transmitter near the wellhead of the well, placing the clamping device in the well, and driving the clamping part and the fixing ring through the driving assembly to clamp the cable; s3, detecting by a handheld receiver according to the cable wiring direction in the well, collecting electromagnetic wave signals, adjusting the frequency of the receiver to be consistent with the frequency of a secondary field generated by a target pipeline, and finding out the position where the signals are the largest; and S4, positioning and marking the position with the maximum signal, then performing 70% depth measurement, recording the positions with 70% depth at the left side and the right side of the position with the maximum signal, correcting the plane position to obtain the distance sum of the positions with 70% depth at the left side and the right side, taking the center of the distance sum as the pipeline center position and marking, and then performing depth measurement on the marked position of the pipeline center position by using a receiver to obtain the final measured value.
Further, the step of S2 further includes: after the cable is clamped, the center of the well is defined as the center of the circle, a straight line where the basic trend of the cable shown in the well is located is taken as a reference line, a point on the reference line, which is coincident with the center of the circle, and a point which is 5 meters away from the center of the circle are taken to form a positioning line segment, and the positioning line segment is rotated to the left and the right by 30 degrees by taking the center of the circle as the rotation center, so that an area to be measured is formed.
Further, after the step of S4, the measuring method further includes: and S5, adjusting the receiver to the minimum value, detecting the position of the mobile receiver by adopting the minimum value near the central position mark of the pipeline, observing the position of the mobile receiver indicated by the arrow on the receiver until the two arrows on the receiver appear simultaneously to obtain the plane position of the cable, and comparing the plane position with the central position mark of the pipeline for verification.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
1. due to the adoption of the structure of the clamp device, the clamp device can be placed in wells, the drive assembly drives the clamping part to clamp the target pipeline, the detection head on the fixing ring is used for acquiring electromagnetic wave signals in the wells, the detection is carried out within a certain range of the ground according to the receiver, and the measurement data of the underground pipeline is obtained through analysis and calculation, so that the problem that when the clamp method is adopted to detect the underground pipeline in the prior art, the target pipeline is clamped manually in wells is effectively solved, and the safety of detecting the underground pipeline by using the clamp method is further improved.
2. Owing to adopted drive assembly's structure, so can be through opening driving motor, can make driving motor drive gear rotate, and rack section and gear on the clamping part mesh mutually, and then can drive the clamping part and can rotate along solid fixed ring's inside, make the one end of clamping part peg graft in solid fixed ring's the other end, it is fixed to carry out the centre gripping to the target pipeline, be convenient for survey the electromagnetic wave signal in well, effectively solved among the prior art be not convenient for carry out the problem of pressing from both sides tight to the target pipeline, and then realized the swift effect of pressing from both sides the target pipeline in the well.
3. Due to the adoption of the structure of the adjusting line frame, the clamping device can be aligned to the target pipeline through the adjusting line frame, so that the clamping accuracy of the clamping device to the target pipeline is higher, the efficiency and the accuracy of automatically clamping the target pipeline are improved, the problem that the clamping device is not convenient to align to the target pipeline in wells in the prior art is effectively solved, and the effect that the clamping device is convenient to clamp the target pipeline in wells is further realized.
Detailed Description
The embodiment of the application is through providing a hand-held type data acquisition instrument and measuring method based on underground pipeline survey and drawing, survey and draw underground pipeline through using hand-held type data acquisition instrument, make to place clamping device 2 in wells, press from both sides tightly the cable through drive assembly 24 drive clamping part 23, rethread receiver 12 carries out scan detection on ground, obtain underground pipeline's measured data, when having solved the data of gathering underground pipeline through the clamp method among the prior art, the problem of inconvenient centre gripping cable, the centre gripping cable of having realized being convenient for, can be convenient for carry out the effect of survey and drawing to underground pipeline.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
The embodiment of the application discloses hand-held type data acquisition instrument based on underground pipeline survey and drawing, refer to FIG. 1, a hand-held type data acquisition instrument based on underground pipeline survey and drawing, including transmitter 11, receiver 12 and clamping device 2, transmitter 11 and clamping device 2 are all installed on base 1, be connected through connecting wire 13 between transmitter 11 and the clamping device 2, there is detecting head 21 on the clamping device 2, place in well through clamping device 2, press from both sides tightly the cable that lies in the middle top, survey the electromagnetic wave signal in well, reopen receiver 12, receive secondary field signal outside certain distance through receiver 12, detect the accurate position of pipeline.
Referring to fig. 2 and 3, the connection line 13 is a power supply connection, one end of the connection line 13 is in plug fit with the transmitter 11, and the other end of the connection line 13 is fixedly connected with the clamping device 2 and used for conveying the clamping devices 2 to wells. The base 1 is provided with a wire arranging device 3 for conveying and containing the connecting wires 13. Reason line device 3 includes mounting bracket 31, wire winding roller 32, riser 33 and reason line subassembly 34, and on mounting bracket 31 was fixed in base 1, and was located one side of transmitter 11, wire winding roller 32 level set up, and wire winding roller 32 rotates and connects on mounting bracket 31, and brake assembly 35 is installed to one side that just is located mounting bracket 31 on base 1, and brake assembly 35 is used for driving wire winding roller 32 to rotate and then can carry or accomodate connecting wire 13. The brake assembly 35 comprises a brake motor fixed on the base 1, and an output shaft of the brake motor is fixedly connected with one end of the winding roller 32.
Referring to fig. 3 and 4, the vertical plate 33 is fixedly installed on the base 1, and the vertical plate 33 is located on one side of the winding roller 32 and aligned with the winding roller 32. The vertical plate 33 is provided with a horizontal guide hole 331. The wire arranging assembly 34 comprises two connecting blocks 341, a reciprocating screw 342, a guide rod 343, a sliding seat 344 and a wire guide roller 345, wherein the two connecting blocks 341 are respectively close to the positions on the two sides of the vertical plate 33, the reciprocating screw 342 and the guide rod 343 are both horizontally arranged, the reciprocating screw 342 is rotatably connected between the two connecting blocks 341, the guide rod 343 is fixedly connected between the two connecting blocks 341, the reciprocating screw 342 and the guide rod 343 are arranged from top to bottom in parallel, the position, close to the upper part, of the sliding seat 344 penetrates through the reciprocating screw 342 and is in threaded connection with the reciprocating screw 342, and the position, close to the lower part, of the sliding seat 344 penetrates through the guide rod 343 and is in sliding fit with the guide rod 343. The slider 344 is provided with a threading hole 346 corresponding to the guide hole 331. The guide roller is rotatably connected to one side of the sliding seat 344 away from the vertical plate 33, and the upper surface of the guide roller is higher than the bottom of the threading hole 346. In order to drive the reciprocating screw 342 to rotate, a linkage assembly 36 is installed on the base 1, the linkage assembly 36 includes a first driving wheel 361, a second driving wheel 362 and a driving belt 363, the first driving wheel 361 is fixed on an output shaft of the brake motor, the second driving wheel 362 is fixed on one end of the reciprocating screw 342, and the driving belt 363 is sleeved on the first driving wheel 361 and the second driving wheel 362. When the brake motor rotates, can drive the winding roller 32 and pay off connecting wire 13, the one end of connecting wire 13 passes guiding hole 331 in proper order simultaneously, threading hole 346, when the brake motor rotated, can drive first drive wheel 361 and rotate, because the effect of drive belt 363, make second drive wheel 362 rotate, second drive wheel 362 drives reciprocal lead screw 342 and rotates, make reciprocal lead screw 342 drive connecting wire 13 and remove along the length direction of winding roller 32, lengthen connecting wire 13, make connecting wire 13 can extend, be convenient for place clamping device 2 in well. The arrangement of the guide roller 345 is beneficial to reducing the friction of the connecting wire 13 during paying off or taking up, and the protection of the connecting wire 13 is improved.
Referring to fig. 3 and 5, in the underground line survey, one end of the connection line 13 is connected to the transmitter 11, and the positioning unit 4 is mounted on the winding roller 32 in order to improve the connection stability between the connection line 13 and the transmitter 11. The fixed disks 321 coaxially disposed are fixedly installed at both ends of the winding roller 32. The positioning assembly 4 includes a fixing block 41, two elastic pieces 42 and a locking bolt 43, the fixing block 41 is fixedly mounted on a fixing disc 321 close to one side of the transmitter 11, and is located on one side of the fixing disc 321 close to another fixing disc 321, the two elastic pieces 42 are provided, one ends of the two elastic pieces 42 are fixedly connected with one side of the fixing disc 321 far away from the fixing block 41, the two elastic pieces 42 are arranged along the height direction of the fixing block 41 at intervals, the locking bolt 43 is fixed on the two elastic pieces 42, one end of the connecting wire 13 passes through the positions between the two elastic pieces 42 and the locking bolt 43, and is used for locking the two elastic pieces 42 and clamping and positioning the connecting wire 13.
Referring to fig. 1 and 2, in order to adjust the descending position of the clamping device 2 in the well, so that the clamping device 2 can align with and clamp the cable, an adjusting wire rack 5 is fixedly installed on one side of the base 1, and the adjusting wire rack 5 can extend and contract, so that the descending position of the clamping device 2 can be adjusted. Adjusting line frame 5 is including fixed cover 51, the movable rod 52, wire ring 53, the one end of fixed cover 51 is fixed in the lateral wall of base 1, and fixed cover 51 and the corresponding setting of riser 33, the other end level of fixed cover 51 extends, movable rod 52 sliding connection is in fixed cover 51, fixed ring 22 is fixed in the one end that fixed cover 51 was kept away from to movable rod 52, in order to reduce movable rod 52 and fixed cover 51 mutual rotation, fixed cover 51 all is the rectangle with the cross-section of movable rod 52, the vertical setting of axis of movable ring, after adjusting the position between fixed cover 51 and the movable rod 52 according to actual conditions needs, fix cover 51 and movable rod 52 locking location through the bolt. The connecting wire 13 passes through the fixing ring 22, and one end of the connecting wire 13 passing through the fixing ring 22 is connected with the clamping device 2. A smooth inclined plane is formed between the outer side and the inner side of the upper end of the fixing ring 22, so that the connecting wire 13 can conveniently penetrate through the fixing ring 22, the friction force between the connecting wire 13 and the fixing ring 22 can be reduced, and the protection of the connecting wire 13 is improved.
Referring to fig. 1 and 6, the clamp device 2 includes a fixing ring 22, a clamping portion 23, and a driving unit 24, the fixing ring 22 is semicircular, the fixing ring 22 is hollow, an opening of the fixing ring 22 faces downward, and an end portion of the connection line 13 is fixedly connected to a position right above and at the center of the fixing ring 22. The height that the one end height of solid fixed ring 22 is less than the height of the other end of solid fixed ring 22, has seted up guide way 221 on the lateral wall of solid fixed ring 22, and guide way 221 is linked together with the inside of solid fixed ring 22, and the both ends of guide way 221 run through the both ends of solid fixed ring 22. The probe head 21 is fixed to the fixing ring 22 at a position near the lower end of the fixing ring 22. The clamping part 23 is semicircular, one end of the clamping part 23 is slidably connected in the fixing ring 22, the other end of the clamping part 23 can be inserted into the lower end of the fixing ring 22, and after one end of the clamping part 23 is inserted into the lower end of the fixing ring 22, the clamping part 23 and the fixing ring 22 are combined to form a circular ring shape. The driving assembly 24 is fixedly installed at one side of the upper end of the fixing ring 22 and is used for driving the clamping portion 23 to move, so that one end of the clamping portion 23 is inserted into the lower end of the fixing ring 22.
Referring to fig. 6, the driving assembly 24 includes a driving motor 241, a gear 242, and a rack segment 243, the driving motor 241 is fixedly mounted on the sidewall of the fixing ring 22, the gear 242 is fixedly mounted on the output shaft of the driving motor 241, the rack segment 243 is fixed on the outer sidewall of the clamping portion 23, the rack segment 243 is arc-shaped, two ends of the rack segment 243 and two ends of the clamping portion 23 are spaced apart, the rack segment 243 is slidably connected in the guide groove 221, and the gear 242 and the rack segment 243 are engaged with each other. By starting the driving motor 241, the gear 242 can be rotated, the gear 242 rotates, and the rack segment 243 engaged therewith rotates along the guide groove 221, so that the other end of the holding portion 23 is inserted into the lower end portion of the fixing ring 22. When the fixing ring 22 and the grip portion 23 are combined to form one ring, the cable is gripped within the ring, and the centers of the fixing ring 22, the grip portion 23, the guide groove 221, and the rack section 243 coincide with the center of the ring.
Referring to fig. 6, in order to detect the conditions in the well and to operate the clamp device 2 to clamp the cable, a detection camera 6 is fixedly installed on one side of the top of the fixing ring 22, and a laser pen 7 is fixedly installed on the other side of the top of the fixing ring 22. Shine through laser pen 7, can conveniently aim at the tight cable of clamp with clamping device 2, can observe clamping device 2's state through detecting camera 6, be convenient for judge whether press from both sides tight the corresponding cable, after surveying the pipeline, can be through the picture that detects camera 6 and shoot, judge whether clamping device 2 separates with the cable, conveniently pack up clamping device 2, improved the accuracy and the security of whole device, improve work efficiency.
Example two
On the other hand, the embodiment of the application discloses a measurement method based on underground pipeline surveying and mapping, which adopts the above-mentioned handheld data acquisition instrument, and with reference to fig. 1 to 6, the measurement method includes the following steps.
And S1, acquiring the actual burial depth of the target pipeline, firstly opening a well related to the target pipeline, and measuring the actual burial depth of the target pipeline.
And S2, installing a data acquisition instrument, and acquiring data of the target pipeline by installing the data acquisition instrument so as to be convenient for follow-up analysis of the distribution condition of the underground pipeline.
S21, placing the transmitter 11 near the wellhead of the well so that the base 1 is near the wellhead of the well and the side of the base 1 where the adjustment bracket is mounted is near the wellhead of the well.
S22, one end of the connecting wire 13 is inserted into the transmitter 11, the clamping device 2 is placed in the well, the pictures shot by the detection camera and the information obtained in the artificial observation well are observed, the length of the adjusting frame is adjusted, the clamping device 2 is aligned to the cable which is located in the middle of the well and located at the top, the brake motor is started to drive the winding roller 32 to rotate, the connecting wire 13 wound on the winding roller 32 is wound to be unwound, the connecting wire 13 is wound along the wire guide ring 53 to be unwound, and the clamping device 2 is lowered to the target pipeline.
S23, the driving motor 241 is started to make the driving motor 241 drive the gear 242 to rotate, and the clamping portion 23 engaged with the gear 242 gradually rotates and extends out from the fixing ring 22 until one end of the clamping portion 23 is inserted into the lower end of the fixing ring 22, and the rotation of the driving motor 241 is stopped.
And S24, verifying whether the clamping device 2 clamps the target pipeline or not by observing pictures shot by the laser pen 7 and the detection camera.
And S25, defining the center of the well as the center of a circle, taking the straight line where the basic trend of the cable shown in the well is located as a reference line, taking a point on the reference line, which is coincident with the center of the circle, and a point which is 5 meters away from the center of the circle to form a positioning line segment, and rotating the positioning line segment by 30 degrees towards the left side and the right side of the positioning line segment by taking the center of the circle as a rotation center to form an area to be measured.
And S3, collecting signals, carrying out detection by holding the receiver 12 by hand according to the cable wiring direction in the well and in the area to be detected, collecting electromagnetic wave signals, adjusting the frequency of the receiver 12 to be consistent with the frequency of a secondary field generated by a target pipeline, and finding out the position with the maximum signal according to the indication of the receiver 12.
S4, analyzing and determining a final measurement value, positioning and marking the position with the largest signal, then performing 70% depth measurement, calculating according to 70% of the actual depth value of the target pipeline to obtain the pipeline center depth value, marking two positions which are away from the pipeline center depth value on the left side and the right side of the position with the largest recorded signal according to the pipeline center depth value, correcting the plane position to obtain the distance sum between the two pipeline center depth values, taking the center of the distance sum as the pipeline center position and marking, and then performing depth measurement on the pipeline center position mark by using the receiver 12 to obtain the final measurement value.
And S5, finally verifying, adjusting the receiver 12 to the minimum value, detecting near the pipeline central position mark by adopting the minimum value, observing the position of the mobile receiver 12 indicated by the arrow on the receiver 12 until the two arrows on the receiver 12 appear simultaneously to obtain the plane position of the cable, and comparing the plane position with the pipeline central position mark for verification.
The working principle of the embodiment of the application is as follows: adopt data acquisition, can place clamping device 2 in well that the target pipeline was located, be provided with detecting head 21 through clamping device 2 on, through placing clamping device 2 in well, press from both sides tight the cable that lies in the middle top for detecting head 21 detects the electromagnetic wave signal in the well, opens receiver 12 again, receives secondary field signal outside certain distance through receiver 12, calculates through the analysis machine and obtains the buried depth that detects the underground pipeline.
The handheld data acquisition instrument and the measurement method based on underground pipeline surveying and mapping provided by the embodiment of the application mainly aim at metal pipelines, and a clamp induction method is adopted to apply detection signals so as to overcome the difficulty in exploration caused by intensive distance with other pipelines, overlarge buried depth and the like, and further ensure the exploration precision.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.