CN215893534U - Device for detecting inner diameter of underground pipeline - Google Patents
Device for detecting inner diameter of underground pipeline Download PDFInfo
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- CN215893534U CN215893534U CN202121411505.9U CN202121411505U CN215893534U CN 215893534 U CN215893534 U CN 215893534U CN 202121411505 U CN202121411505 U CN 202121411505U CN 215893534 U CN215893534 U CN 215893534U
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- inner diameter
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Abstract
The utility model provides a device for detecting the inner diameter of an underground pipeline, which comprises a telescopic rod, a horizontal stay bar and a bidirectional hydraulic device, wherein the bottom end of the telescopic rod is vertically connected with one end of the horizontal stay bar, far away from the telescopic rod, is vertically connected with the middle part of the bidirectional hydraulic device, the bidirectional hydraulic device is provided with a first thrust bar and a second thrust bar which extend out in opposite directions, and one ends of the first thrust bar and the second thrust bar, far away from the bidirectional hydraulic device, are provided with positioning wheels. The utility model solves the problems of low measurement accuracy, high potential risk in the measurement process, high operation difficulty and the like of the inner diameter of the underground pipeline in the conventional measurement mode.
Description
Technical Field
The utility model belongs to the technical field of underground pipeline detection, and particularly relates to a device for detecting the inner diameter of an underground pipeline.
Background
The important work content of the modern municipal pipe network engineering early investigation during the inner diameter detection of the underground pipeline is the main basis of the design. However, most of the underground rain and sewage pipe networks in old cities are early in construction age, improper in maintenance and protection methods, siltation of different degrees exists, and difficulty is caused in measuring the inner diameter of the pipeline. In addition, the inner diameter of the pipeline cannot be accurately measured by the traditional measuring tape and the traditional tower ruler due to the fact that the pipeline is buried deeply and the light at the bottom of the well is insufficient.
In view of the above situation, the inner diameter of the pipeline at some important nodes is measured by an operator entering the well bottom. Because the underground pipeline space is closed, toxic gas, low oxygen content or corrosive liquid can exist, so that the measurement mode has more potential risks and is difficult to control
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the inner diameter of an underground pipeline, which solves the problems of low measurement accuracy, high potential risk in the measurement process, high operation difficulty and the like of the inner diameter of the underground pipeline in the conventional measurement mode.
The utility model is realized by the following technical scheme:
the utility model provides a device for surveying underground pipeline internal diameter, but includes telescopic link, horizontal vaulting pole and two-way hydraulic means, but the bottom of telescopic link is connected with the one end of horizontal vaulting pole is perpendicular, but the one end that the telescopic link was kept away from to the horizontal vaulting pole is connected with two-way hydraulic means's middle part is perpendicular, but be equipped with on the two-way hydraulic means and stretch out opposite direction's first distance rod and second distance rod, first distance rod and second distance rod keep away from one of two-way hydraulic means and serve and be equipped with the locating wheel.
Further, still include the digital display module, be equipped with the measuring device who is used for measuring first distance rod and second distance rod protrusion length on the two-way hydraulic means, the digital display module sets up the top at telescopic link, and the digital display module passes through the electric wire and is connected with two-way hydraulic means and measuring device respectively.
Furthermore, the telescopic rod and the horizontal support rod are both hollow structures and communicated with each other, the electric wire is in a spiral shape, one end of the electric wire is connected with the digital display module, and the other end of the electric wire sequentially penetrates through the inside of the telescopic rod and the inside of the horizontal support rod and then is connected with the bidirectional hydraulic device and the measuring device respectively.
Furthermore, a sleeve is arranged on one end, far away from the telescopic rod, of the horizontal support rod in a rotating mode, and the sleeve is vertically connected with the middle of the bidirectional hydraulic device.
Further, the both sides of sleeve inside wall all are equipped with the draw-in groove, and the draw-in groove sets up along telescopic circumference, and the radian of draw-in groove is 15 degrees, and the both sides of horizontal vaulting pole all are equipped with the spacing arch that inserts the draw-in groove.
Furthermore, first reinforcing ribs are respectively arranged between two sides of the sleeve and the bidirectional hydraulic device.
Furthermore, a second reinforcing rib is arranged between the telescopic rod and the horizontal support rod.
Compared with the prior art, the utility model has the beneficial effects that: by utilizing the characteristic of the circular section of the pipeline, the two-way hydraulic device is used for pressurizing, so that the first thrust rod and the second thrust rod extend outwards, the tangential force of the positioning wheel cannot be overcome by the inner wall of the pipeline, the positioning wheel can roll along the inner wall of the pipeline, and the first thrust rod and the second thrust rod cannot continue to extend outwards until the positioning wheel is positioned at the position of the diameter direction of the pipeline, so that the inner diameter of the pipeline can be measured according to the extending lengths of the first thrust rod and the second thrust rod on the two-way hydraulic device, and the measurement accuracy is high; the telescopic rod and the horizontal support rod are used for extending the bidirectional hydraulic device into the pipeline, so that an operator can complete the inner diameter measurement of the pipeline without going into the well bottom, and the safety is high; the whole device has few parts, is small and exquisite and light, is convenient to carry, is simple to operate, and can be operated by operators without special training.
Drawings
FIG. 1 is an elevation view of an apparatus for detecting the inside diameter of an underground pipe according to the present invention;
FIG. 2 is a side view of the apparatus for detecting the inside diameter of an underground pipe of the present invention;
FIG. 3 is a top view of the apparatus for detecting the inside diameter of an underground pipe of the present invention;
fig. 4 is an operational view of the apparatus for detecting the inner diameter of an underground pipe according to the present invention.
In the figure, 1-a telescopic rod, 2-a horizontal support rod, 3-a bidirectional hydraulic device, 4-a first thrust rod, 5-a second thrust rod, 6-a positioning wheel, 7-a digital display module, 8-a measuring device, 9-an electric wire, 10 sleeves, 11-a first reinforcing rib, 12-a second reinforcing rib and 13-a pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, fig. 1 is a front view of an apparatus for detecting an inner diameter of an underground pipe according to the present invention, fig. 2 is a side view of the apparatus for detecting an inner diameter of an underground pipe according to the present invention, and fig. 3 is a top view of the apparatus for detecting an inner diameter of an underground pipe according to the present invention. The utility model provides a device for surveying underground pipeline internal diameter, but including telescopic link 1, horizontal vaulting pole 2 and two-way hydraulic means 3, but telescopic link 1's bottom is connected with horizontal vaulting pole 2's one end is perpendicular, but horizontal vaulting pole 2 keeps away from telescopic link 1's one end and two-way hydraulic means 3's middle part is connected perpendicularly, but be equipped with on the two-way hydraulic means 3 and stretch out opposite direction's first distance rod 4 and second distance rod 5, one of keeping away from two-way hydraulic means 3 of first distance rod 4 and second distance rod 5 is served and is equipped with locating wheel 6.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating the operation of the apparatus for detecting the inner diameter of an underground pipe according to the present invention. The telescopic rod 1 can adjust the whole length according to the actual depth of the inspection well, so that the horizontal support rod 2 positioned at the bottom end of the telescopic rod is sent into a shaft bottom pipeline 13, the basic position of the bidirectional hydraulic device 3 on the horizontal support rod 2 is controlled, an operator operates on the ground, and the risk of the operation of going into the well is reduced. In one embodiment, in order to enhance the stability of the connection between the telescopic rod 1 and the horizontal stay 2, a second reinforcing rib 12 is provided between the telescopic rod 1 and the horizontal stay 2.
By utilizing the characteristic of the circular section of the pipeline 13, the positioning wheels 6 are arranged on the first thrust rod 4 and the second thrust rod 5, when the bidirectional hydraulic device 3 is pressurized, the first thrust rod 4 and the second thrust rod 5 extend outwards, the inner wall of the pipeline 13 can not overcome the tangential force of the positioning wheels 6, the positioning wheels 6 can roll along the inner wall of the pipeline 13, even if the bottom of the pipeline 13 is silted up, the positioning wheels 6 can roll along the inner wall of the pipeline 13, until the positioning wheels 6 are positioned at the position of the diameter direction of the pipeline 13, the outward-extending axial force of the first thrust rod 4 and the second thrust rod 5 can be balanced by the inner wall of the pipeline 13, and the first thrust rod 4 and the second thrust rod 5 can not extend outwards continuously, so that the device for detecting the inner diameter of the underground pipeline can accurately find the diameter of the pipeline 13, and according to the extending lengths of the first thrust rod 4 and the second thrust rod 5 on the bidirectional hydraulic device 3, the inner diameter of the pipeline 13 can be measured, and the measurement accuracy is high. In one embodiment, a sleeve 10 is rotatably arranged on one end of the horizontal support rod 2 far away from the telescopic rod 1, and the sleeve 10 is vertically connected with the middle part of the bidirectional hydraulic device 3. This setting guarantees that two-way hydraulic means 3 is in the loose state, can rotate around horizontal vaulting pole 2, and when two-way hydraulic means 3 stretched out first thrust rod 4 and second thrust rod 5, locating wheel 6 can be better rolls along pipeline 13 inner wall. In an embodiment, the both sides of sleeve 10 inside wall all are equipped with the draw-in groove, and the draw-in groove sets up along sleeve 10's circumference, and the radian of draw-in groove is 15 degrees, and the both sides of 2 horizontal directions of horizontal vaulting pole all are equipped with the spacing arch that inserts the draw-in groove. The limiting protrusion is slidable in the clamping groove, and through the matching of the limiting protrusion and the clamping groove, the limiting sleeve can rotate up and down for 15 degrees from the horizontal direction, namely, the sleeve 10 can only rotate for 30 degrees on the horizontal support rod 2, so that the bidirectional hydraulic device 3 can be basically in a horizontal state when stretching into the pipeline 13. When sludge exists at the bottom of the pipeline 13, the positioning wheel 6 can not enter the sludge, and the measuring accuracy is ensured. In one embodiment, in order to enhance the stability of the connection between the sleeve 10 and the bi-directional hydraulic device 3, first reinforcing ribs 11 are respectively disposed between two sides of the sleeve 10 and the bi-directional hydraulic device 3.
In an embodiment, in order to facilitate an operator to measure the inner diameter of the pipeline 13, the device for detecting the inner diameter of the underground pipeline further comprises a digital display module 7, a measuring device 8 for measuring the extending lengths of the first thrust rod 4 and the second thrust rod 5 is arranged on the bidirectional hydraulic device 3, the digital display module 7 is arranged at the top end of the telescopic rod 1, and the digital display module 7 is respectively connected with the bidirectional hydraulic device 3 and the measuring device 8 through an electric wire 9. The measuring device 8 feeds the measured value back to the digital display module 7, the digital display module 7 displays the measured value fed back by the measuring device 8 to the ground operator, the ground operator can conveniently read and record the inner diameter of the pipeline 13, and preferably, the measuring device 8 is a laser measuring device. In one embodiment, the telescopic rod 1 and the horizontal stay bar 2 are both hollow and communicated with each other, the electric wire 9 is spiral, one end of the electric wire 9 is connected with the digital display module 7, and the other end of the electric wire passes through the inside of the telescopic rod 1 and the inside of the horizontal stay bar 2 in sequence and is respectively connected with the bidirectional hydraulic device 3 and the measuring device 8. But the inside of telescopic link 1 and the inside intercommunication of horizontal vaulting pole 2 for electric wire 9 is located inside telescopic link 1 and inside horizontal vaulting pole 2, plays the guard action to electric wire 9, and electric wire 9 is the heliciform, can follow telescopic link 1 freely and stretch out and draw back.
The following brief description is provided of the use of the apparatus for detecting the inside diameter of an underground pipe according to the present invention:
according to the actual depth of the manhole, extending the telescopic rod 1 to the bottom of the manhole, extending the horizontal support rod 2 at the bottom end of the telescopic rod 1 into the pipeline 13, extending the two-way hydraulic device 3 into the pipeline 13, starting the two-way hydraulic device 3, extending the first thrust rod 4 and the second thrust rod 5 of the two-way hydraulic device 3 until the positioning wheel 6 on the first thrust rod 4 or the second thrust rod 5 touches the inner wall of the pipeline 13, when the positioning wheel 6 touches the inner wall of the pipeline 13 but the two-way hydraulic device 3 does not pass through the inner diameter circle center of the pipeline 13, continuously applying pressure to the two-way hydraulic device 3, continuously extending the first thrust rod 4 and the second thrust rod 5, and continuously extending the positioning wheel 6, wherein the positioning wheel 6 is unbalanced in stress and rolls along the inner wall of the pipeline 13 until the two-way hydraulic device 3 is at the diameter direction position, at the moment, the two-way hydraulic device 3 continuously applying pressure outwards, and the positioning wheel 6 is balanced in stress and cannot continuously roll, the first and second thrust rods 4 and 5 cannot be extended further. At the moment, the length of the bidirectional hydraulic device 3 plus the extension length of the first thrust rod 4 and the second thrust rod 5 plus the diameter length of the two positioning wheels 6 is the diameter length of the pipeline 13, therefore, the measuring device 8 sets the diameters of the two positioning wheels 6 and the length of the bidirectional hydraulic device 3 as initial values during measurement, the measuring device 8 measures the extension lengths of the first thrust rod 4 and the second thrust rod 5 to obtain the inner diameter value of the pipeline 13, the measuring device 8 feeds the inner diameter value of the pipeline 13 back to the digital display module 7 after obtaining the inner diameter value of the pipeline 13, the inner diameter value is displayed on the digital display module 7, the reading of ground operators is recorded, then the bidirectional hydraulic device 3 is started to contract, and the telescopic rod 1 is contracted to complete the measurement.
Compared with the prior art, the utility model has the beneficial effects that: by utilizing the characteristic of the circular section of the pipeline 13, the bidirectional hydraulic device 3 is used for pressurizing, so that the first thrust rod 4 and the second thrust rod 5 extend outwards, the inner wall of the pipeline 13 cannot overcome the tangential force of the positioning wheel 6, the positioning wheel 6 can roll along the inner wall of the pipeline 13 until the positioning wheel 6 is positioned at the diameter direction of the pipeline 13, the first thrust rod 4 and the second thrust rod 5 cannot continue to extend outwards, the inner diameter of the pipeline 13 can be measured according to the extending lengths of the first thrust rod 4 and the second thrust rod 5 on the bidirectional hydraulic device 3, and the measurement accuracy is high; the telescopic rod 1 and the horizontal support rod 2 are utilized to extend the bidirectional hydraulic device 3 into the pipeline 13, so that an operator can complete the inner diameter measurement work of the pipeline 13 without going into the shaft bottom, and the safety is high; the whole device has few parts, is small and exquisite and light, is convenient to carry, is simple to operate, and can be operated by operators without special training.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.
Claims (7)
1. The device for detecting the inner diameter of the underground pipeline is characterized by comprising a telescopic rod, a horizontal support rod and a bidirectional hydraulic device, wherein the bottom end of the telescopic rod is vertically connected with one end of the horizontal support rod, one end, far away from the telescopic rod, of the horizontal support rod is vertically connected with the middle of the bidirectional hydraulic device, a first thrust rod and a second thrust rod which extend out in opposite directions are arranged on the bidirectional hydraulic device, and one ends, far away from the bidirectional hydraulic device, of the first thrust rod and the second thrust rod are provided with positioning wheels.
2. The device for detecting the inner diameter of the underground pipeline according to claim 1, further comprising a digital display module, wherein the bidirectional hydraulic device is provided with a measuring device for measuring the extending lengths of the first thrust rod and the second thrust rod, the digital display module is arranged at the top end of the telescopic rod, and the digital display module is respectively connected with the bidirectional hydraulic device and the measuring device through electric wires.
3. The device for detecting the inner diameter of the underground pipeline according to claim 2, wherein the telescopic rod and the horizontal stay rod are both hollow structures and are communicated with each other, the electric wire is spiral, one end of the electric wire is connected with the digital display module, and the other end of the electric wire sequentially penetrates through the inside of the telescopic rod and the inside of the horizontal stay rod and is then respectively connected with the bidirectional hydraulic device and the measuring device.
4. The device for detecting the inner diameter of the underground pipeline according to claim 1, wherein a sleeve is rotatably arranged at one end of the horizontal supporting rod far away from the telescopic rod, and the sleeve is vertically connected with the middle part of the bidirectional hydraulic device.
5. The device for detecting the inner diameter of the underground pipeline according to claim 4, wherein the inner side wall of the sleeve is provided with clamping grooves at both sides, the clamping grooves are arranged along the circumferential direction of the sleeve, the radian of each clamping groove is 15 degrees, and the horizontal stay bar is provided with limiting protrusions inserted into the clamping grooves at both sides.
6. The apparatus of claim 4, wherein first reinforcing ribs are provided between both sides of the sleeve and the bi-directional hydraulic means, respectively.
7. The apparatus for detecting the inner diameter of an underground pipe according to claim 1, wherein a second reinforcing rib is provided between the telescopic bar and the horizontal stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411505.9U CN215893534U (en) | 2021-06-23 | 2021-06-23 | Device for detecting inner diameter of underground pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411505.9U CN215893534U (en) | 2021-06-23 | 2021-06-23 | Device for detecting inner diameter of underground pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893534U true CN215893534U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121411505.9U Active CN215893534U (en) | 2021-06-23 | 2021-06-23 | Device for detecting inner diameter of underground pipeline |
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| CN (1) | CN215893534U (en) |
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2021
- 2021-06-23 CN CN202121411505.9U patent/CN215893534U/en active Active
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