CN113295494A - In-situ solidification method pipeline repair test sample preparation device and application method thereof - Google Patents
In-situ solidification method pipeline repair test sample preparation device and application method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 239
- 238000012360 testing method Methods 0.000 title claims abstract description 103
- 230000008439 repair process Effects 0.000 title claims abstract description 30
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000007711 solidification Methods 0.000 title claims description 13
- 230000008023 solidification Effects 0.000 title claims description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001723 curing Methods 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
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- 238000001764 infiltration Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 239000011347 resin Substances 0.000 description 1
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- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
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Abstract
The invention discloses a device for preparing a pipeline repair test sample by an in-situ curing method, which comprises a sample preparation box with a three-dimensional structure, wherein a sample preparation table placed on a lower bottom plate of the sample preparation box is arranged in the sample preparation box; the sample preparation table consists of a sample preparation base and a plurality of supporting screws, the supporting screws are fixedly connected with the sample preparation base, and a preset distance is reserved between the sample preparation base and a lower bottom plate of the sample preparation box; the lower surface of the sample preparation base is provided with a sample preparation box, and the sample preparation box comprises a sample preparation vertical cylinder fixedly connected with the sample preparation base and a pressurizing cover placed in an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base; and a pressure control mechanism is arranged below the sample preparation table, the pressure control mechanism is fixedly connected with the lower surface of the pressurizing cover through a dowel bar, and the pressure control mechanism drives the pressurizing cover to move through the dowel bar. The invention also discloses a use method of the sample preparation device for the pipeline repair test by the in-situ curing method. The invention aims to simulate actual engineering parameters to prepare a CIPP pipeline curing repair test sample.
Description
Technical Field
The invention relates to the field of test sample preparation devices, in particular to a preparation device for a pipeline repair test sample by an in-situ curing method and a use method thereof.
Background
With the continuous promotion of the urbanization process in China, underground pipelines (such as water supply and drainage pipelines, gas pipelines, oil pipelines and water pipelines) are gradually complicated, and with the increasing of the service life of the underground pipelines and the influence of the increase of traffic flow and people flow and the complexity factors around the pipelines, a large number of underground pipelines are degraded in functionality and structure to different degrees. The traditional technique is that directly excavate to the degradation pipeline and restore, but this can not avoid causing certain influence to the road surface traffic, and excavation construction noise, dust etc. also can cause certain harm to city resident life and environment, and to wearing the building site down simultaneously, the excavation of degradation pipeline is restoreed and is also received the restriction. Therefore, the existing commonly used UV-CIPP (UV Cured-In-Place-Pipe) pipeline curing repair technology is a non-excavation repair method which is commonly applied at present, and the technology has the advantages of small construction floor area, no need of excavation, short construction time and convenient construction. However, with the continuous development of the CIPP (Cured-In-Place-Pipe) pipeline curing repair technology, the used repair materials are gradually diversified, and In order to better evaluate whether the material performance is effective and whether a new material can be applied to engineering, research and evaluation on the related parameters of the new material are needed In advance. Therefore, it is urgently needed to develop a test device capable of simulating actual engineering and accurately evaluating curing construction parameters of CIPP pipelines, so as to further guide engineering practice to improve engineering quality and optimize engineering cost.
Application number 201821335372.X discloses a full-automatic infiltration consolidation combined test device, the device passes through automatic measuring device, realized the real-time measurement of soil sample consolidation in-process vertical deformation, axial force, bottom pore pressure and displacement, can be fast, the infiltration consolidation parameter of the accurate soil body that obtains, and then what relate to in this application is experimental and then obtaining test data to the soil sample, the material that uses is based on soil sample and CIPP pipeline solidification restoration belongs to two types of material of complete difference, and then corresponding test sample preparation facilities will also be different.
Disclosure of Invention
The invention mainly aims to provide a device for preparing a CIPP pipeline curing and repairing test sample by an in-situ curing method and a using method thereof, and aims to solve the technical problem of how to simulate the actual engineering environment to prepare the CIPP pipeline curing and repairing test sample.
In order to achieve the purpose, the invention provides a device for preparing a pipeline repair test sample by an in-situ solidification method, which comprises a sample preparation box with a three-dimensional structure, wherein the sample preparation box internally comprises a sample preparation table arranged on a lower bottom plate of the sample preparation box;
the sample preparation table consists of a sample preparation base and a plurality of supporting screws, the supporting screws are fixedly connected with the sample preparation base, and a preset distance is reserved between the sample preparation base and a lower bottom plate of the sample preparation box;
the sample preparation device comprises a sample preparation base, a sample preparation box and a pressure cover, wherein the lower surface of the sample preparation base is provided with the sample preparation box, the sample preparation box comprises a sample preparation vertical cylinder fixedly connected with the sample preparation base and the pressure cover arranged in an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base, and the upper surface of the pressure cover is used for placing a test sample;
and a pressure control mechanism is arranged below the sample preparation table, the pressure control mechanism is fixedly connected with the lower surface of the pressurizing cover through a dowel bar, and the pressure control mechanism drives the pressurizing cover to move along the length direction of the dowel bar through the dowel bar.
Preferably, the system appearance case still includes the integrated control ware of embedding on system appearance case outside curb plate, system appearance case lower plate is provided with a plurality of heating resistor silk, system appearance base upper surface is provided with temperature sensor, integrated control ware respectively with heating resistor silk, temperature sensor electricity is connected.
Preferably, the pressure control mechanism is provided with a servo pressurizing motor, and the servo pressurizing motor is electrically connected with the integrated controller.
Preferably, the pressure control mechanism comprises a reaction rod, a cross rod, a connecting hinge, weights and weight plates, one end of the reaction rod is fixedly connected with the lower bottom plate of the sample preparation box, the other end of the reaction rod is rotatably connected with the cross rod, one end of the cross rod is connected with the transmission rod through the connecting hinge, the other end of the cross rod is connected with the weight plate, and the weights are placed on the weight plate.
Preferably, the sample preparation box is provided with a radiation lamp on the top plate, the radiation lamp is fixedly connected with the sample preparation box upper top plate through a lifting rod, the radiation lamp is electrically connected with the integrated controller, and the radiation lamp is located on the upper portion of the sample preparation base.
Preferably, the sample preparation base is transparent, and the light of the radiation lamp can pass through the sample preparation base and irradiate the test sample.
Preferably, the system appearance case is closed, the system appearance case is provided with system appearance case side door, just be equipped with system appearance case side door handle on the system appearance case side door, system appearance case bottom plate lower surface is equipped with a plurality of system appearance case and removes the wheel.
Preferably, a servo loading rod is connected to the servo pressurizing motor, a pressure sensor is arranged between the servo loading rod and the dowel bar, and the pressure sensor is electrically connected with the integrated controller.
Preferably, the size of the cross section of the pressurizing cover is smaller than the size of the cross section of an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base.
In addition, the invention also provides a use method of the in-situ curing method pipeline repair test sample preparation device, and the use method comprises the following steps:
weighing the mass of a target test sample and determining a fixed pressure value corresponding to the target test sample;
setting an environmental parameter and a fixed pressure value corresponding to the target test sample, wherein the environmental parameter comprises a light source height, a light source intensity and an environmental temperature;
placing a target test sample on the pressurizing cover and starting preparation operation;
and after the preset time, obtaining the photocured sample.
Compared with the prior art, the invention has the following beneficial effects:
in the technical scheme, the in-situ solidification method pipeline repair test sample preparation device comprises a sample preparation box with a three-dimensional structure, wherein a sample preparation table placed on a lower bottom plate of the sample preparation box is arranged in the sample preparation box; the sample preparation table consists of a sample preparation base and a plurality of supporting screws, the supporting screws are fixedly connected with the sample preparation base, and a preset distance is reserved between the sample preparation base and a lower bottom plate of the sample preparation box; the sample preparation device comprises a sample preparation base, a sample preparation box and a pressure cover, wherein the lower surface of the sample preparation base is provided with the sample preparation box, the sample preparation box comprises a sample preparation vertical cylinder fixedly connected with the sample preparation base and the pressure cover arranged in an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base, and the upper surface of the pressure cover is used for placing a test sample; the pressure control mechanism is arranged below the sample preparation table and is fixedly connected with the lower surface of the pressurizing cover through a force transmission rod, the pressurizing cover is driven by the pressure control mechanism through the force transmission rod to move along the length direction of the force transmission rod, so that a test sample placed on the pressurizing cover is acted by external force of the pressure control mechanism to complete preparation of the test sample, wherein the pressure control of the pressure control mechanism simulates the size of fixed pressure applied in an actual engineering environment according to test requirements, and further the preparation of the test sample under different fixed pressures is obtained by adjusting the fixed pressure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a sample preparation apparatus for a pipeline repair test by an in-situ curing method according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a sample preparation device for pipeline repair test according to the first embodiment of the present invention, shown in FIG. 1, by in-situ solidification;
FIG. 3 is a schematic structural diagram of a sample preparation apparatus for a pipeline repair test by an in-situ solidification method according to a second embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of a sample preparation device for a pipeline repair test by an in-situ curing method according to a second embodiment of the present invention shown in fig. 3.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
200 | Sample preparation table |
| 110 | Sample preparation |
210 | |
| 120 | Side door of |
220 | Supporting |
| 121 | Side of sample |
230 | Screw cap of |
| 130 | Sample preparation |
240 | |
| 140 | Top board of |
300 | |
| 150 | |
310 | Sample preparation |
| 160 | |
311 | Vertical part of sample preparation |
| 170 | |
312 | Horizontal part of sample preparation |
| 180 | |
320 | |
| 400 | |
330 | |
| 500 | First |
600 | Second |
| 510 | |
610 | Connecting |
| 520 | |
620 | |
| 530 | |
630 | |
| 700 | |
640 | |
| 800 | High temperature |
650 | Weight with adjustable length |
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a device for preparing a pipeline repair test sample by an in-situ solidification method according to a first embodiment of the present invention, and fig. 2 is a schematic sectional view of the embodiment shown in fig. 1, the device for preparing a pipeline repair test sample by an in-situ solidification method in this embodiment is to obtain a test sample by simulating actual engineering environment parameters and preparing the test sample based on a pipeline repair principle by an in-situ fixation method, and includes a sample preparation box 100 having a three-dimensional structure, wherein a sample preparation table 200 placed on a lower bottom plate 110 of the sample preparation box is arranged inside the sample preparation box 100; the sample preparation table 200 is composed of a sample preparation base 210 and a plurality of supporting screws 220, the plurality of supporting screws 220 are fixedly connected with the sample preparation base 210, specifically, the plurality of supporting screws 220 are adjustably connected with the sample preparation base 210 through supporting screw nuts 230, so that a preset distance is reserved between the sample preparation base 210 and the sample preparation box lower bottom plate 110, the number of the supporting screw nuts 230 is equal to that of the supporting screws 220, and the number of the supporting screws 220 is not less than 3.
Meanwhile, the lower surface of the sample preparation base 210 is provided with a sample preparation box 300, the sample preparation box 300 comprises a sample preparation vertical cylinder 310 fixedly connected with the sample preparation base 210 and a pressurizing cover 320 arranged in the inner cavity of the sample preparation vertical cylinder 310, specifically, the sample preparation vertical cylinder 310 comprises a sample preparation vertical cylinder horizontal part 312 contacted with the sample preparation base 210 and a sample preparation vertical cylinder vertical part 311 vertical to the sample preparation vertical cylinder horizontal part 312, the sample preparation vertical cylinder horizontal part 312 and the sample preparation base 210 are fixed on the lower surface of the sample preparation base through a fixing screw 330, meanwhile, the sample preparation vertical cylinder vertical part 311 and the sample preparation base 210 form an inner cavity with an opening at the lower end, the pressurizing cover 320 can be arranged in the inner cavity, the upper surface of the pressurizing cover 320 is used for placing the test sample 400, a first pressure control mechanism 500 is arranged below the sample preparation table 200, the first pressure control mechanism 500 is fixedly connected with the lower surface of the pressurizing cover 320 through a force transmission rod 700, the first pressure control mechanism 500 drives the pressure cover 320 to move along the length direction of the dowel bar 700 through the dowel bar 700.
Specifically, the test sample 400 in this embodiment is generally made of a light-curable resin fiber material, and the material is in a colloidal state, so that the size of the cross section of the pressure cover 320 is slightly smaller than the size of the cross section of the inner cavity formed by the sample preparation vertical cylinder 310 and the sample preparation base 210, so that when the test sample 400 is prepared, the pressure cover 320 and the inner side surface of the sample preparation vertical cylinder vertical part 312 are effectively prevented from generating friction, the pressure transmission affecting the first pressure control mechanism 500 is avoided, and the test sample 400 can be prevented from flowing out of the gap. The dowel bar 700 is fixedly connected with the first pressure control mechanism 500, so that pressure can be transmitted to the transmission bar 700 through the pressure control mechanism 500 and the pressurizing cover 320 is driven to move, and based on the test sample 400 placed on the pressurizing cover 320, in the specific test sample preparation process, along with the continuous increase of the pressure transmission time of the first pressure control mechanism 500, the curing pressure acting on the test sample 400 is realized, so that the preparation of the test sample is completed. Meanwhile, the inner cavity depth of the inner cavity with the lower end opening formed by the vertical part 311 of the sample preparation vertical cylinder and the sample preparation base 210 can be correspondingly adjusted according to requirements, and support is provided for preparation of test samples with different curing sample thicknesses.
Further, the sample preparation box 100 further comprises an integrated controller 150 embedded in a side plate outside the sample preparation box 100, the bottom plate 110 of the sample preparation box is provided with a plurality of heating resistance wires 160, the upper surface of the sample preparation base is provided with a temperature sensor 240, and the integrated controller 150 is electrically connected with the heating resistance wires 160 and the temperature sensor 240 respectively.
Specifically, the setting of the heating resistance wire 160 can realize the adjustment of the internal temperature of the sample preparation box 100 during the preparation of the test sample, and the setting of the heating resistance wire 160 on the sample preparation box lower bottom plate 110 can better ensure the internal temperature regulation and control effect of the sample preparation box 100, and meanwhile, in order to realize the better temperature regulation and control effect of the heating resistance wire 160, the heating resistance wire 160 is electrically connected with the integrated controller 150 through the high temperature resistant data wire 800, wherein the connection of the internal heating resistance wires 160 can be in a series and/or parallel connection mode, so as to realize the regulation and control of the internal environment temperature of the sample preparation box 100 through the external integrated controller 150. And simultaneously, integrated controller 150 sets up on the outside curb plate of system appearance case 100, and then avoids slowing down integrated controller 150's life because of the inside high temperature of system appearance case 100 or cross low to place still convenient operation in system appearance case 100 outside, just still be equipped with operating button and display screen on the integrated controller 150, thereby be convenient for operation and control. Simultaneously, set up temperature sensor 240 at system appearance bottom plate 210 upper surface, measure the inside ambient temperature of system appearance case 100 through temperature sensor 240, temperature sensor 240 can the symmetry set up system appearance bottom plate 210 upper surface, integrated controller 150 with temperature sensor 240 connects through high temperature resistant data line 800, and will the actual temperature that temperature integrated controller 240 monitored and obtained shows and pass through on integrated controller 150's the display screen operating button control temperature integrated controller's opening and closing on integrated controller 150 to realized simulating the setting of the fixed temperature in the actual engineering environment, ensured the nimble regulation and control of the inside temperature of system appearance case 100, realized the preparation of test sample under different temperature, pressure and the solidification sample thickness.
Further, a radiation lamp 170 is arranged on the sample preparation box upper top plate 140, the radiation lamp 170 is fixedly connected with the sample preparation box upper top plate 140 through a lifting rod 180, the radiation lamp 170 is electrically connected with the integrated controller 150, and the radiation lamp 170 is located at the upper part of the sample preparation base 310.
Further, the sample preparation base 210 is transparent, and the light of the radiation lamp 170 may pass through the sample preparation base 210 and irradiate the test sample 400.
Specifically, the radiation lamp 170 is generally set as an ultraviolet radiation lamp, the sample preparation base 310 is made of a completely transparent material, and then the light of the radiation lamp 170 can pass through the sample preparation base 310 and irradiate the test sample 400, and meanwhile, based on that the temperature sensor 240 is arranged on the upper surface of the sample preparation base 320, the test sample 400 is in close contact with the lower surface of the sample preparation base 310 under the action of the pressure control mechanism 500, so that the temperature displayed by the temperature sensor 240 is closest to the real-time temperature of the test sample 400, meanwhile, the upper end of the lifting rod 180 is fixedly connected with the sample preparation box upper top plate 140, the lower end of the lifting rod 180 is adjustably connected with the radiation lamp 170, and the control button of the integrated controller 150 controls the height of the lifting rod 180, so as to control the height of the connected radiation lamp 170 inside the sample preparation box 100, the distance between the light source generated by the height control radiation lamp 170 and the test sample 400 and the luminous intensity are adjusted by adjusting the lifting rod 180, the fixed illumination distance and the fixed light intensity in the actual engineering environment are further set, and the flexible regulation and control of the illumination intensity and the illumination distance in the sample preparation box 100 are guaranteed. The preparation of test samples under different temperatures, pressures, illumination intensities and cured sample thicknesses is realized.
Further, system appearance case 100 is closed, system appearance case 100 is provided with system appearance case side door 120, just be equipped with system appearance case side door handle 121 on the system appearance case side door 120, system appearance case bottom plate 110 lower surface is equipped with a plurality of system appearance case and removes wheel 130.
Specifically, the sample preparation box 100 is closed, the sample preparation box 100 is provided with a sample preparation box side door 120, and the sample preparation box side door 120 is provided with a sample preparation box side door handle 121, so that a technician can access the sample preparation box 100 of the three-dimensional mechanism, wherein the sample preparation box 100 is closed and light-tight, interference of visible light in a curing process of the test sample 400 is avoided, and the sample preparation box side door 120 can be arranged in a double-open mode or a single-open mode; as shown in fig. 1, there may be 4. Meanwhile, the lower surface of the lower bottom plate 110 of the sample preparation box is provided with a plurality of sample preparation box moving wheels 130, wherein the number of the sample preparation box moving wheels 130 is not less than 3, as shown in fig. 1, the number of the sample preparation box moving wheels 130 can be 4, and the sample preparation box 100 can be moved according to the requirement.
Further, as shown in fig. 3 and fig. 4, fig. 3 is a schematic structural diagram of a sample preparation device for a pipeline repair test by an in-situ curing method according to a second embodiment of the present invention, and fig. 4 is a schematic sectional structural diagram of the embodiment shown in fig. 3. The specific structure of the embodiment shown in fig. 3 and 4 is that the first pressure control mechanism 500 in the embodiment shown in fig. 1 and 2 is replaced by a second pressure control mechanism 600 arranged based on the lever principle, and the second pressure control mechanism 600 is composed of a reaction rod 620, a cross rod 630, a connecting hinge 610, a weight 650 and a weight tray 640, one end of the reaction rod 620 is fixedly connected with the lower bottom plate 110 of the sample making box, the other end of the reaction rod 620 is rotatably connected with the middle part of the cross rod 630, one end of the cross rod 630 is connected with the transmission rod 700 through the connecting hinge 610, the other end of the cross rod 630 is connected with the weight tray 640, the weight 650 is placed on the weight tray 640, the force transmitted to the transmission rod 700 connected with the connecting hinge 610 is controlled by the size of the weight, and the acting force is transmitted to the pressure cover 320, based on the test sample 400 placed on the pressure cover 320, further, in a specific test sample preparation process, as the pressure transmission time of the second pressure control mechanism 600 is increased, the curing pressure acting on the test sample is realized. The applied pressure in this embodiment is achieved by the weight 650 in combination with the lever principle, the force transmission is achieved by adjusting the weight of the weight 650, and meanwhile, the position of the reaction rod 620 can be adjusted correspondingly according to the specific test requirements, so as to meet the requirement of preparing the test sample. The preparation device of the test sample in the embodiment is manufactured to be background and convenient to operate, and can realize the requirement setting of fixed temperature, fixed pressure and fixed intensity light source, so as to realize the preparation of diversified test samples by simulating target environment parameters, optimize the preparation process of the test sample, realize the preparation of the test sample under different temperatures, pressures, illumination intensities and curing sample thicknesses, and provide effective test support for the research and evaluation of the related parameters of the subsequent sample.
In addition, the panel, the lifting rod 180, the supporting screw 220, the supporting screw nut 230, the pressurizing cover 320, the fixing screw 330, the transmission rod 700, the counterforce rod 620, the cross rod 630, the connecting hinge 610 and the weight tray 640 of the sample preparation box 100 in the above embodiment are all made of stainless steel, and meanwhile, the sample preparation vertical cylinder 310 and the sample preparation base 210 are made of high-temperature-resistant transparent organic glass, so that the service life of the preparation device can be effectively prolonged.
In addition, the embodiment of the invention provides a use method of a sample preparation device for a pipeline repair test by an in-situ curing method, which comprises the following steps:
step 1, weighing the mass of a target test sample and determining a fixed pressure value corresponding to the test sample;
step 2, setting an environmental parameter and a fixed pressure value corresponding to the target test sample, wherein the environmental parameter comprises a light source height, a light source intensity and an environmental temperature;
in this embodiment, after determining the target test sample, the weight of the target test sample needs to be weighed according to actual needs, specifically, the prepared test sample 400 needs to be divided into the target test samples slightly smaller than the cross-sectional size of the sample preparation vertical cylinder 310, and the mass of the target test samples needs to be weighed; further, according to which specific test sample preparation device determines and records the corresponding fixed pressure value of the target test sample, wherein if the device shown in the embodiment of fig. 1 and 2 is used, only the calculated fixed pressure value needs to be input into the integrated controller 150, and if the device shown in the embodiment of fig. 3 and 4 is used, the weight of the weight 650 to be placed on the weight tray 640 needs to be further determined by conversion according to the lever principle, and meanwhile, according to the difference of the target test sample, different test environment parameters need to be set, including a light source height, a light source intensity and an environment temperature, wherein the light source height is the distance between the lifting rod 180 arranged in the sample preparation box 100 and the sample preparation base 210, the light source intensity is the power of the radiation lamp 170, and the environment temperature is the stable temperature detected by the temperature sensor 240, and then the opening number of the heating resistance wires 160 arranged in the lower bottom plate 110 of the sample preparation box needs to be determined, and the experimental environment parameter information needs to be recorded and marked in real time.
Step 3, placing the target test sample on the pressurizing cover 320 and starting the preparation operation;
in this embodiment, after the parameter information corresponding to the target sample is determined, the target test sample may be placed on the pressurizing cover 320 and the preparation operation may be started; in addition, before starting the preparation operation, the tester needs to check in advance whether the high temperature resistant data line 800 is loose or not, and apply a layer of transparent lubricating oil on the sample preparation base 210 and also apply a layer of transparent lubricating oil on the inner wall of the sample preparation vertical cylinder 310. Further, for the operation of placing the target test sample, the target test sample may be placed on the pressurizing cover 320 by a manual operation of a tester, or may be automatically placed on the pressurizing cover 320 by a mechanism for placing the target test sample. After the target test sample is placed, setting the corresponding parameters through the integrated controller 150 and clicking to start the operation for the preparation device shown in fig. 1 and 2; if the preparation device shown in fig. 3 and 4 is adopted, the tester needs to put the corresponding weight 650 on the weight tray 640, close the side door 120 of the sample making box, and finally set the corresponding parameters according to the integrated controller 150 and click to start the operation.
And 4, acquiring the photocured sample after the preset time.
In this embodiment, after the device to be prepared is subjected to the curing temperature, the curing pressure, the illumination intensity and the illumination distance for the preset time, the setting of the preset time is set according to the difference of the test samples 400 and the difference of the environmental parameters, after the preparation time reaches the set preset time, the preparation operation power supply is started and closed, wherein the power for turning off the preparation device can be manually turned off by the tester, or can be monitored by a timing unit set on the integrated controller 150, and after the time displayed on the timing unit reaches the preset time, the timing unit can provide the tester in the form of sound or voice that the current preparation operation is finished, and the tester takes out the photo-cured sample after the sample is cooled for a certain time, and cutting the sample into standard samples according to the requirements of the mechanical test for detection of subsequent tests for later use.
In the above embodiments, a person skilled in the art may adopt the prior art for software control, and the present invention only protects the structure and the mutual connection relationship of the display devices.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The in-situ solidification method pipeline repair test sample preparation device is characterized by comprising a sample preparation box with a three-dimensional structure, wherein a sample preparation table placed on a lower bottom plate of the sample preparation box is arranged in the sample preparation box;
the sample preparation table consists of a sample preparation base and a plurality of supporting screws, the supporting screws are fixedly connected with the sample preparation base, and a preset distance is reserved between the sample preparation base and a lower bottom plate of the sample preparation box;
the sample preparation device comprises a sample preparation base, a sample preparation box and a pressure cover, wherein the lower surface of the sample preparation base is provided with the sample preparation box, the sample preparation box comprises a sample preparation vertical cylinder fixedly connected with the sample preparation base and the pressure cover arranged in an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base, and the upper surface of the pressure cover is used for placing a test sample;
the sample preparation table is provided with a pressure control mechanism below, the pressure control mechanism is fixedly connected with the lower surface of the pressurizing cover through a dowel bar, and the pressure control mechanism drives the pressurizing cover to move along the length direction of the dowel bar through the dowel bar.
2. The in-situ curing method pipeline repairing test sample preparation device as claimed in claim 1, wherein the sample preparation box further comprises a comprehensive controller embedded in a side plate outside the sample preparation box, a plurality of heating resistance wires are arranged on a lower bottom plate of the sample preparation box, a temperature sensor is arranged on an upper surface of the sample preparation base, and the comprehensive controller is electrically connected with the heating resistance wires and the temperature sensor respectively.
3. The in-situ solidification-method pipeline repair test sample preparation device according to claim 2, wherein the pressure control mechanism is provided with a servo pressurizing motor, and the servo pressurizing motor is electrically connected with the integrated controller.
4. The device for preparing the test sample for pipeline rehabilitation by the in-situ solidification method according to claim 2, wherein the pressure control mechanism comprises a reaction rod, a cross rod, a connecting hinge, a weight and a weight tray, one end of the reaction rod is fixedly connected with the lower bottom plate of the sample preparation box, the other end of the reaction rod is rotatably connected with the cross rod, one end of the cross rod is connected with the transmission rod through the connecting hinge, the other end of the cross rod is connected with the weight tray, and the weight is placed on the weight tray.
5. The in-situ solidification-method pipeline repair test sample preparation device according to any one of claims 3 or 4, wherein a radiation lamp is arranged on the sample preparation box upper top plate, the radiation lamp is fixedly connected with the sample preparation box upper top plate through a lifting rod, the radiation lamp is electrically connected with the integrated controller, and the radiation lamp is positioned on the upper portion of the sample preparation base.
6. The in-situ curing pipe repair test sample preparation device according to claim 5, wherein the sample preparation base is transparent, and light from the radiation lamp can pass through the sample preparation base and irradiate the test sample.
7. The in-situ curing method pipe repair test sample preparation device according to claim 1, wherein the sample preparation box is closed, the sample preparation box is provided with a sample preparation box side door, a sample preparation box side door handle is arranged on the sample preparation box side door, and a plurality of sample preparation box moving wheels are arranged on the lower surface of the lower bottom plate of the sample preparation box.
8. The in-situ solidification pipeline repair test sample preparation device according to claim 3, wherein a servo loading rod is connected to the servo pressurizing motor, a pressure sensor is arranged between the servo loading rod and the dowel bar, and the pressure sensor is electrically connected with the integrated controller.
9. The in-situ solidification-method pipeline repair test sample preparation device according to claim 1, wherein the size of the cross section of the pressurizing cover is smaller than the size of the cross section of an inner cavity formed by the sample preparation vertical cylinder and the sample preparation base.
10. The use method of the in-situ curing method pipeline repair test sample preparation device is characterized by comprising the following steps of:
weighing the mass of a target test sample and determining a fixed pressure value corresponding to the target test sample;
setting an environmental parameter and a fixed pressure value corresponding to the target test sample, wherein the environmental parameter comprises a light source height, a light source intensity and an environmental temperature;
placing a target test sample on the pressurizing cover and starting preparation operation;
and after the preset time, obtaining the photocured sample.
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| JP2006272662A (en) * | 2005-03-28 | 2006-10-12 | Shibaura Mechatronics Corp | Resin layer curing apparatus and resin layer curing method |
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| US20170100879A1 (en) * | 2015-10-09 | 2017-04-13 | Reline America, Inc. | Testing apparatus for cured liners used in pipeline rehabilitation |
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Application publication date: 20210824 |