CN111059997A - High pier pumping concrete pump pipe detection system and detection method - Google Patents
High pier pumping concrete pump pipe detection system and detection method Download PDFInfo
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- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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Abstract
The invention belongs to the technical field of bridge construction, and particularly relates to a high-pier pumping concrete pump pipe detection system and a detection method, which are used for solving the problems that the position of a blocked pipe is greatly influenced artificially after the high-pier pumping concrete is blocked, the accuracy and the efficiency are low, the state of the pump pipe in the pumping process is difficult to master, and the pipe explosion accident of the pump pipe cannot be prevented in advance and the like, wherein the high-pier pumping concrete pump pipe detection system comprises ring clamps and a pump pipe buckle; the pump pipe buckle sets up the connection extension that is used for the pump line both ends at the both ends of pump line. According to the invention, the condition of the pump pipe can be timely mastered in the process of pumping concrete in the high pier, the pipe explosion accident of the pump pipe can be prevented in advance, the pipe blocking position can be rapidly determined aiming at the pipe blocking accident in the process of pumping concrete in the high pier, the accuracy is high, and the problem of pipe blocking can be efficiently solved by matching with field construction maintenance personnel.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a high pier pumping concrete pump pipe detection system and a detection method.
Background
In recent years, with the strong investment construction of national roads and railways, bridges are more and more constructed, and the bridges cover all regions of the country, wherein the bridges in mountainous areas are mostly high piers and are common over hundred meters.
The existing high pier construction concrete pumping has the following construction difficulties:
1. when the high pier pumps concrete, the pump pipe bears large pressure, the pump pipe is quickly worn and is easy to explode, the difficulty of replacing the pump pipe after the pipe is exploded is large, the condition of the pump pipe cannot be timely mastered in the process of pumping concrete, and the pipe explosion accident of the pump pipe cannot be prevented in advance;
2. the high pier pumping has extremely high requirements on the quality of the pumped concrete, the pipe is easily blocked carelessly, the position of the blocked pipe after the pipe is blocked is detected by manual experience, the accuracy is not high, and the efficiency is low.
3. After the pumping concrete is delivered, the state of the pump pipe needs to be observed manually, the pump pipe is analyzed by experience to be used or scrapped continuously in the next construction, the subjectivity is high, and the actual condition of the pump pipe is not easy to master.
Therefore, it is very important to research a device and a method for grasping the condition of the pump pipe at any time during the concrete pumping process, quickly and accurately judging the position of the pipe blockage when the pipe blockage occurs, and comprehensively pre-judging the condition of the pump pipe. Disclosure of Invention
The invention provides a high pier pumping concrete pump pipe detection system and a detection method in view of the conditions that after high pier pumping concrete is blocked, the position of the blocked pipe is detected to have large artificial influence, the accuracy and the efficiency are low, the state of a pump pipe in the pumping process is not easy to master, and the pipe explosion accident of the pump pipe cannot be prevented in advance.
The invention is realized by the following technical scheme: a high pier pumping concrete pump pipe detection system comprises ring clamps and pump pipe buckles, wherein the ring clamps are symmetrically arranged on the outer surfaces of the upper side and the lower side of a single pump pipe, a bottom support strip which is vertically arranged is arranged between the two ring clamps, a strain gauge I is arranged on the inner side of the bottom support strip, the strain gauge I and the bottom support strip are positioned on the same straight line, and the strain gauge is in contact connection with the outer side of the pump pipe; the pump pipe buckle is arranged at two ends of the pump pipe and used for lengthening connection of two ends of the pump pipe, the pump pipe buckle comprises two semicircular structures capable of being opened and closed, a second-stage notch is reserved on the pump pipe buckle, a first-stage pressure reducing sheet, a pressure reducing spring, a second-stage pressure reducing sheet, a strain gauge I and a support block are sequentially arranged on the second-stage notch from inside to outside in a buckling mode, the first-stage pressure reducing sheet is arranged outside the second-stage notch, the inner side of the first-stage pressure reducing sheet is in contact connection with a sealing ring, the sealing ring is arranged in an annular mode and can be in contact with the end portion of the pump pipe, a pressure adjusting knob is arranged on the support block, the strain gauge I and the strain gauge II are respectively connected with branch data lines, the branch data lines are collected to a main data line and then connected with an alarm device, the alarm device comprises a control panel and a display, and the strain gauge II is connected.
The bottom support strip and the ring clamp are made of hard steel, and the deformation of the bottom support strip and the ring clamp is smaller than that of the pump pipe.
The strain gauge I and the strain gauge II are resistance type strain gauges, the strain gauge I is in a long strip shape, and the strain gauge II is in a short strip shape or a square shape.
The detection method of the high pier pumping concrete pump pipe comprises the following steps:
step one, installing a first pump pipe: and installing a first pump pipe according to the height of the pier, fixing the first pump pipe on the pier, and installing the strain gauge I, the bottom support strip and the ring clamp on the pump pipe.
And step two, installing a sealing ring and a second pump pipe: the sealing ring is arranged on the first pump pipe, the second pump pipe is arranged and fixed, and the sealing ring is sleeved at the joint of the first pump pipe and the second pump pipe.
Thirdly, mounting a pump pipe fastener: and installing the first-stage pressure reducing sheet, the pressure reducing spring, the second-stage pressure reducing sheet, the strain gauge II, the support block and the pressure adjusting knob on the pump pipe buckle, and then installing and fastening the pump pipe buckle at the seam of the pump pipe according to a conventional method.
Fourthly, installing the residual pump pipe: and (4) repeating the steps 1-3, and finishing the installation of the pump pipe, the pump pipe buckle, the stress sheet I, the stress sheet II and other parts.
And fifthly, installing a data line and a controller: the main data line is longitudinally fixed on the bridge pier, the main data line is parallel to the pump pipe, the branch data lines are used for connecting the strain gauges I and II at different points with the main data line respectively, the main data line is connected to the control panel and the display, the flow card is inserted into the control panel, and the audible and visual alarm I and the audible and visual alarm II are connected to the control panel.
Sixthly, adjusting the pressure value of the strain gauge: the ring hoop is two semicircular hoops, and the initial pressure values of the strain gauges I are fastened and adjusted one by bolts until the pressure values of all the strain gauges I are consistent; furthermore, the pressure adjusting knobs of the pump pipe buckles are adjusted, so that the initial pressure values of the strain gauges II are adjusted until all the pressure values of the strain gauges II are consistent.
Step seven, pumping concrete: the concrete pumping process can be carried out after the pump pipe detection system is installed and debugged, when the concrete is pumped, the pump pipe bears larger pressure and slightly expands and deforms, meanwhile, the wall of the pump pipe is gradually thinned due to the friction of concrete in the pump pipe, the expansion deformation of the pump pipe is increased due to the gradual thinning of the wall of the pump pipe, the pressure generated by deformation is transferred into an electric signal through a strain gauge I arranged on the wall of the pump pipe and is transmitted to a control panel and a display, and transmitted to each handheld terminal through the flow card, so that the personnel in each construction layer can intuitively know the pump pipe condition of the pumped concrete site, when the pressure of the strain gauge I of a certain pump pipe is increased to a set critical value, the control panel controls the audible and visual alarm I to give an alarm, and field operators can quickly determine the pump pipe with the increased deformation according to abnormal data displayed by the control panel and the display, so that the pump pipe is replaced in advance to avoid pipe explosion.
The working principle of the invention is as follows:
the concrete pumping process can be carried out after the pump pipe detection system is installed and debugged, when the concrete is pumped, the pump pipe bears larger pressure and slightly expands and deforms, meanwhile, the wall of the pump pipe is gradually thinned due to the friction of concrete in the pump pipe, the expansion deformation of the pump pipe is increased due to the gradual thinning of the wall of the pump pipe, the pressure generated by deformation is transferred into an electric signal through a strain gauge I arranged on the wall of the pump pipe and is transmitted to a control panel and a display, and transmitted to each handheld terminal through the flow card, so that the personnel in each construction layer can intuitively know the pump pipe condition of the pumped concrete site, when the pressure of the strain gauge I of a certain pump pipe is increased to a set critical value, the control panel controls the audible and visual alarm I to give an alarm, and field operators can quickly determine the pump pipe with the increased deformation according to abnormal data displayed by the control panel and the display, so that the pump pipe is replaced in advance to avoid pipe explosion.
In the pump sending coagulation process, when taking place stifled pipe because of other reasons, the pump line deflection below stifled pipe position can slightly increase, pressure can rise to some extent, and the pump line seam crossing pressure of stifled pipe position department can sharply rise, sealing ring pressure and deformation increase, detect a certain seam crossing pressure sharply increase through installing in the foil gage II of pump line buckle department, and when this section pump line up seam crossing pressure was unchangeable, can confirm fast that stifled pipe position is located specific a section pump line, and then assign the operation personnel rapidly and carry out the pertinence and handle.
Compared with the prior art, the invention has the beneficial effects that:
1. the condition of the pump pipe can be mastered in time in the process of pumping the concrete by the high pier, and the pipe explosion accident of the pump pipe can be prevented in advance;
2. the pipe plugging position can be quickly determined aiming at the pipe plugging accident generated in the process of pumping concrete by using a high pier, the accuracy is high, and the problem of pipe plugging can be efficiently solved by matching with field construction maintenance personnel;
3. the state of the pump pipe can be analyzed in the process of pumping concrete, and the actual condition of the pump pipe is easy to master;
4. the use of cooperation handheld terminal can make each hierarchical personnel, like management layer, operation team leader, workman etc. in time master the pump concrete site conditions, effectively improves cooperation efficiency.
Drawings
FIG. 1 is a diagram showing the structure of each part of a pump tube and a strain gage set I;
FIG. 2 is a view of the mounting structure of the pump tube and the strain gage set I;
FIG. 3 is a view of a pump tube snap fastener;
FIG. 4 is a diagram of a two-stage notch reserved in the pump tube;
FIG. 5 is a sectional view showing the installation of the pressure reducing member and the strain gauge II;
FIG. 6 is a view showing the structure of the pressure reducing member and the strain gauge II;
FIG. 7 is a schematic diagram of a pump line connector position;
fig. 8 is an overall configuration diagram of the pump line detection system.
Reference numbers in the figures: 1-pump pipe, 2-strain gauge I, 3-bottom support strip, 4-ring clamp, 5-sealing ring, 6-strain gauge II, 7-pump pipe buckle, 8-pressure adjusting screw, 9-buckle reserved secondary notch, 10-primary pressure reducing piece, 11-pressure reducing spring, 12-secondary pressure reducing piece, 13-support block, 14-pressure adjusting knob, 15-main data line, 16-branch data line, 17-control panel and display, 20-audible and visual alarm I, 21-audible and visual alarm II, 22-bridge pier.
Detailed Description
The invention is specifically explained by referring to fig. 1-8, and the high pier pumping concrete pump pipe detection system is composed of a plurality of pump pipes 1, a strain gauge I2, a bottom support strip 3, a ring clamp 4, a sealing ring 5, a strain gauge II6, a pump pipe buckle 7, a pressure adjusting screw opening 8, a buckle reserved secondary notch 9, a primary pressure reducing sheet 10, a pressure reducing spring 11, a secondary pressure reducing sheet 12, a support block 13, a pressure adjusting knob 14, a data line 15, a display 16, a control panel 17, a flow gauge 18, a handheld terminal 19, an audible and visual alarm I20, an audible and visual alarm II21 and a pier 22.
Furthermore, foil gage I2 is installed in pump line 1 outward appearance, and the collet strip 3 is installed on foil gage I2, and the collet strip 3 both ends are fixed in on the pump line with ring clamp 4, and ring clamp 4 is 2 semicircle hoops, fastens and adjusts initial pressure value with the bolt. The bottom support strip 3 and the ring clamp 4 are made of hard steel and need to have a certain thickness and strong rigidity, and the deformation amount must be far smaller than that of the pump pipe. A strain gage I2 is installed on each pump pipe 1, all strain gages I2 form a group of strain gage groups I2, the positions, where the strain gages I2 are installed, of the pump pipes 1 need to be polished smoothly, and pump pipe protective paint is removed.
Further, as shown in fig. 3-6, a secondary notch 9 and a pressure adjusting screw 8 are reserved on the pump tube buckle 7, and the joint structure sequentially comprises a sealing ring 5, a primary pressure reducing sheet 10, a pressure reducing spring 11, a secondary pressure reducing sheet 12, a strain gauge II6, a support block 13 and a pressure adjusting knob 14 from inside to outside.
Further, when concrete is pumped, the pressure of the concrete is transmitted to the sealing ring 5 through a gap between pump pipes and then transmitted to the pump pipe buckle 7, the pump pipe buckle 7 bears the pressure, the pressure of the sealing ring 5 is transmitted to the first-stage pressure reducing piece 10 at the second-stage gap 9, the pressure is transmitted to the strain gauge II6 through the pressure reducing spring 11 and the second-stage pressure reducing piece 12 after being reduced, the pressure is transmitted to the support block 13, and the support block 13 is fixed in the pressure adjusting screw port 8 of the pump pipe buckle 7 through the pressure adjusting knob 14. The pressure adjusting knob 14 fixes the support block 13 and adjusts the initial pressure value of the strain gauge II 6.
Further, one-level pressure reducing piece 10 and second grade pressure reducing piece 12 are the steel thin slice, and 4 relief spring 11 of installation between one-level pressure reducing piece 10 and the second grade pressure reducing piece 12, one-level pressure reducing piece 10 install in the outside of second grade breach 9 of pump line buckle 7, and second grade pressure reducing piece 12 is installed in the inside of second grade breach 9 of pump line buckle 7. The primary decompression piece 10 arranged outside the secondary notch 9 of the pump pipe buckle 7 is used for decompressing and resisting the shear stress generated by the sealing ring 5 at the secondary notch 9 of the pump pipe buckle 7 when pumping concrete.
Furthermore, the strain gauge I2 and the strain gauge II6 may be resistive strain gauges, the strain gauge I2 may be a long bar, and the strain gauge II6 may be a short bar or a square. The strain gauge I2 is positioned between the pump pipe 1 and the bottom support strip 3 and used for detecting the pressure formed by the deformation of the pump pipe when the concrete is pumped; the strain gauge II6 is located in a second-stage notch 9 of a pump pipe buckle 7 at the joint of the pump pipe 1 and used for detecting the pressure transmitted to the sealing ring 5 at the joint of the pump pipe 1, and when the pump pipe buckle 7 fastens the pump pipe and does not pump concrete, the sealing ring 5 bears the pressure of the pump pipe buckle 7 for fastening the pump pipe so as to achieve the sealing effect, therefore, the pressure of the sealing ring 5 must be subjected to second-stage pressure reduction to offset the pressure transmitted to the strain gauge II6 after the pressure of the pump pipe buckle 7 fastens the pump pipe.
Further, as shown in fig. 8, a main data line 15 is arranged on the pier 22 along the pump pipe, a branch data line 16 connects the strain gauge I2 and the strain gauge II6 to the main data line 15, and pressure data of the strain gauges I2 and II6 are transmitted to the control panel and display 17 through the branch data line 16 and the main data line 15
Further, the flow card 18 is installed in the control panel 17, the control panel 17 sends the data values of the strain gauges when the concrete is pumped through the flow card 18, each handheld terminal 19 is used for receiving and displaying the data values of the strain gauges, the handheld terminals 19 can be mobile phones, tablet computers and the like with a communication function, and the data values of the strain gauges displayed by the handheld terminals 19 can enable operators on duty to know the pumping site conditions in a duty room and provide first-hand data for the operators to make decisions. The technical point of how to transmit the signal to the handheld terminal 19 through the wireless signal is the prior art, and is not described in detail in this patent.
Furthermore, when the group data of the strain gauge I2 is abnormal, the control panel 17 controls the audible and visual alarm I20 to give out audible and visual alarms, and when the group data of the strain gauge II6 is abnormal, the control panel 17 gives out audible and visual alarms according to the audible and visual alarm I21. Specifically, for the data generated by the strain gage I2 group and the strain gage II6 group, the field personnel can set early warning values in the control panel 17 in advance, and the early warning values are used as reference values for the operation of the audible and visual alarm I20 and the audible and visual alarm II 21.
The detection system and the detection method for the high pier pumping concrete pump pipe realize the pump pipe detection in the concrete pumping process according to the following steps:
step one, installing a first pump pipe 1: the first pump pipe 1 is installed according to the height of the pier 22, the first pump pipe 1 is fixedly arranged on the pier 22, and then the strain gauge I2, the bottom support strip 3 and the ring clamp 4 are installed on the pump pipe 1.
And step two, installing a sealing ring 5 and a second pump pipe 1: installing the sealing ring 5 on the first pump pipe 1, then installing and fixing the second pump pipe 1, and then sleeving the sealing ring at the joint of the first pump pipe and the second pump pipe, wherein the step is the conventional technology.
Thirdly, mounting a pump pipe fastener 7: according to the figure 5, the first-stage decompression sheet 10, the decompression spring 11, the second-stage decompression sheet 12, the strain gauge II6, the support block 13 and the pressure adjusting knob 14 are arranged on the pump pipe buckle 7, and then the pump pipe buckle 7 is arranged at the seam of the pump pipe and fastened according to the conventional method.
Fourthly, installing the residual pump pipe: and (4) repeating the steps 1-3, and finishing the installation of the pump pipe 1, the pump pipe buckle 7, the stress sheet I2, the stress sheet II6 and other parts.
And fifthly, installing a data line and a controller: the main data line 15 is longitudinally fixed on the bridge pier 22, the main data line 15 is arranged in parallel with the pump pipe 1, the branch data line 16 connects the strain gauges I2 and II6 at different points with the main data line 15 respectively, the main data line 15 is connected to the control panel and the display 17, the flow card is inserted into the control panel 17, and the audible and visual alarm I20 and the audible and visual alarm II21 are connected to the control panel.
Sixthly, adjusting the pressure value of the strain gauge: the ring hoop 4 is two semicircular hoops, and the initial pressure values of the strain gauges I2 are fastened and adjusted one by bolts until the pressure values of all the strain gauges I2 are consistent; further, the pressure adjusting knobs 14 of the pump pipe buckles 7 are adjusted, so that the initial pressure value of the strain gauge II6 is adjusted until the pressure values of all the strain gauges II6 are consistent.
Step seven, pumping concrete: the concrete pumping process can be carried out after the pump pipe detection system is installed and debugged, when concrete is pumped, the pump pipe bears large pressure and slightly expands and deforms, meanwhile, the pump pipe wall is gradually thinned due to the friction of the concrete inside the pump pipe, the expansion deformation of the pump pipe is increased due to the gradual thinning of the pump pipe wall, the pressure generated by deformation is transferred to electric signals through a strain gauge I2 arranged on the pump pipe wall and is transmitted to a control panel and a display 17, the electric signals are transmitted to each handheld terminal 18 through a flow card, so that each level of construction personnel can visually know the condition of the pump pipe in the field of pumping the concrete, when the pressure of a strain gauge I2 of a certain pump pipe is increased to a set critical value, the control panel 17 controls an acousto-optic alarm I20 to give an alarm, and the field operation personnel can quickly determine the pump pipe with the increased deformation according to abnormal data displayed by the control panel and the display 17, and then replaced in advance to avoid tube explosion.
In the pump sending coagulation process, when taking place stifled pipe because of other reasons, the pump line deflection below stifled pipe position can slightly increase, pressure can rise to some extent, and the pressure of the 1 seam crossing of pump line of stifled pipe position department can sharply rise, sealing ring pressure and deformation increase, detect a certain seam crossing pressure sharply increase through the foil gage II6 of installing in pump line buckle 7 department, and when this section pump line up seam crossing pressure was unchangeable, can confirm that stifled pipe position takes place in which section pump line department fast, and then dispatch the operation personnel and carry out the pertinence and handle.
Example (b):
in order to test the expected effect of the device and the method, the device is introduced into a high pier pouring system, when the new great bridge with the pier height of 90 meters and the continuous beam height of 12 meters is constructed, concrete is pumped from the pier bottom to the beam surface, the pumping height exceeds 100 meters, a pump pipe and a main data line are fixed on a pier, no pipe explosion accident occurs in the pumping process, the pipe blockage accident occurs for 1 time, and an operator quickly determines the position of the pipe blockage according to the displayed abnormal pressure value after the pipe blockage occurs, specifically the position of the twenty-third section of pump pipe, and meanwhile, the device and the method are timely processed in a targeted mode.
Claims (4)
1. The utility model provides a high mound pump sending concrete pump pipe detecting system which characterized in that: the device comprises ring hoops (4) and pump pipe buckles (7), wherein the ring hoops (4) are symmetrically arranged on the outer surfaces of the upper side and the lower side of a single pump pipe (1), a vertically arranged bottom support strip (3) is arranged between the two ring hoops (4), a strain gage I (2) is arranged on the inner side of the bottom support strip (3), the strain gage I (2) and the bottom support strip (3) are positioned on the same straight line, and the strain gage I (2) is in contact connection with the outer side of the pump pipe (1); the pump pipe buckle (7) is arranged at two ends of the pump pipe (1) and used for lengthening the connection of the two ends of the pump pipe (1), the pump pipe buckle (7) comprises two semicircular structures capable of being opened and closed, a buckle reserved secondary notch (9) is arranged on the pump pipe buckle (7), the buckle reserved secondary notch (9) is sequentially provided with a primary pressure reducing sheet (10), a pressure reducing spring (11), a secondary pressure reducing sheet (12), a strain gauge II (6) and a support block (13) which are in contact connection from inside to outside, the primary pressure reducing sheet (10) is arranged outside the secondary notch (9), the inner side of the primary pressure reducing sheet (10) is in contact connection with a sealing ring (5), the sealing ring (5) is annularly arranged and can be in contact with the end part of the pump pipe (1), a pressure adjusting knob (14) is arranged on the support block (13), the strain gauge I (2) and the strain gauge II (6) are respectively connected with a, the branch data line (16) is gathered to be connected with alarm device behind main data line (15), and alarm device includes control panel and display (17), audible-visual annunciator I (20) and audible-visual annunciator II (21), and audible-visual annunciator I (20) and audible-visual annunciator II (21) are connected with foil gage I (2), foil gage II (6) respectively.
2. The high pier pumping concrete pump pipe detection system of claim 1, wherein: the bottom support strip (3) and the ring clamp (4) are made of hard steel, and the deformation of the bottom support strip (3) and the ring clamp (4) is smaller than that of the pump pipe (1).
3. The high pier pumping concrete pump pipe detection system of claim 1, wherein: the strain gauge I (2) and the strain gauge II (6) are resistance type strain gauges, the strain gauge I (2) is in a long strip shape, and the strain gauge II (6) is in a short strip shape or a square shape.
4. The method for detecting the high pier pumping concrete pump pipe according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
firstly, a first pump pipe (1) is installed: installing a first pump pipe (1) according to the height of a pier (22), fixing the first pump pipe (1) on the pier (22), and then installing a strain gauge I (2), a bottom support strip (3) and a ring clamp (4) on the pump pipe (1);
secondly, installing a sealing ring (5) and a second pump pipe (1): installing a sealing ring (5) on a first pump pipe section (1), installing and fixing a second pump pipe section (1), and sleeving the sealing ring (5) at the joint of the first pump pipe section and the second pump pipe section (1);
thirdly, mounting a pump pipe fastener (7): mounting a primary pressure reducing sheet (10), a pressure reducing spring (11), a secondary pressure reducing sheet (12), a strain gauge II (6), a support block (13) and a pressure adjusting knob (14) on a pump pipe buckle (7), and mounting and fastening the pump pipe buckle (7) at the seam of a pump pipe (1) according to a conventional method;
fourthly, installing the residual pump pipe (1): repeating the steps 1-3, and installing the pump pipe (1), the pump pipe fastener (7), the stress sheet I (2), the stress sheet II (6) and the like;
and fifthly, installing a data line and a controller: the main data line (15) is longitudinally fixed on a pier (22), the main data line (15) is arranged in parallel with the pump pipe (1), the strain gauges I (2) and II (6) at different point positions are respectively connected with the main data line (15) through the branch data line (16), the main data line (15) is connected to the control panel and the display (17), the flow card is inserted into the control panel, and the audible and visual alarm I (20) and the audible and visual alarm II (21) are connected with the control panel;
sixthly, adjusting the pressure value of the strain gauge: the ring hoops (4) are two semicircular hoops, and the initial pressure values of the strain gauges I (2) are fastened and adjusted one by bolts until the pressure values of all the strain gauges I (2) are consistent; further, adjusting a pressure adjusting knob (14) of each pump pipe buckle (7) to further realize adjustment of the initial pressure value of the strain gauge II (6) until the pressure values of all the strain gauges II (6) are adjusted to be consistent;
step seven, pumping concrete: the concrete pumping process can be carried out after the pump pipe detection system is installed and debugged, when concrete is pumped, the pump pipe (1) bears large pressure and slightly expands and deforms, meanwhile, the wall of the pump pipe (1) is gradually thinned due to the friction of the concrete inside the pump pipe (1), the expansion deformation of the pump pipe (1) is increased due to the gradual thinning of the wall of the pump pipe, the pressure generated by deformation is transferred into electric signals through a strain gauge I (2) installed on the wall of the pump pipe and is transmitted to a control panel and a display (17), the electric signals are transmitted to a handheld terminal through a flow card, so that personnel constructing each level can visually know the condition of the pump pipe in the field of pumping the concrete, when the pressure of the strain gauge I (2) of a certain section of the pump pipe is increased to a set critical value, the control panel controls an audible and visual alarm I (20) to give an alarm, and field operators can alarm according to abnormal data displayed by the control panel and the display (17), can confirm pump line (1) that the deflection increases unusually fast, and then change problem pump line (1) in advance in order to avoid bursting.
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| CN201911396078.9A CN111059997B (en) | 2019-12-30 | 2019-12-30 | High pier pumping concrete pump pipe detection system and detection method |
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| CN113147648A (en) * | 2021-03-03 | 2021-07-23 | 西华大学 | Dot-matrix airbag popping judgment system and judgment method for unmanned vehicle |
| CN113720909A (en) * | 2021-08-19 | 2021-11-30 | 中国建筑第八工程局有限公司 | Sliding lifting type automatic detection robot for concrete engineering and detection method thereof |
| CN115096529A (en) * | 2022-07-26 | 2022-09-23 | 大连理工大学 | Distributed measuring device and measuring method for dynamic deflection of bridge |
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