CN111022828B - Engineering measurement device and using method - Google Patents
Engineering measurement device and using method Download PDFInfo
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- CN111022828B CN111022828B CN201910922894.2A CN201910922894A CN111022828B CN 111022828 B CN111022828 B CN 111022828B CN 201910922894 A CN201910922894 A CN 201910922894A CN 111022828 B CN111022828 B CN 111022828B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 50
- 230000009471 action Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 6
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- 238000001514 detection method Methods 0.000 description 4
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- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an engineering measuring device and a using method thereof, wherein the device comprises a main body, a driving module, a driven module and a supporting leg adjusting device; wherein, a plurality of concave installation spaces are formed at the bottom of the main body; the active module comprises a support leg, a motor, a Mecanum wheel and a connecting rod; the driven module comprises a hydraulic supporting device, a top wheel row and transverse wheels. The spiral advancing of the measuring device in the pipeline is realized through the driving module and the driven module, and the multifunctional measurement of the pipeline can be realized; meanwhile, the center line of the measuring device can be ensured to coincide with the center line of the pipeline through the supporting leg adjusting device, the position locking of the supporting leg adjusting device is ensured through the locking device, and the accuracy of the measuring result is further ensured.
Description
Technical Field
The invention relates to the technical field of engineering measurement, in particular to an engineering measurement device and a using method thereof.
Background
Engineering survey is used as an application science, and mainly has the main effects of collecting, processing, analyzing, forecasting and the like of topographic and geomorphic information in urban development and construction, industrial and agricultural resource exploration and development stages. With the further application of high-precision technologies such as big data and unmanned aerial vehicles, the measurement technology also has new changes and development trends.
With the continuous acceleration of the urbanization process, the distribution of urban underground pipelines is more and more complex, so that the detection difficulty is greatly improved. Therefore, pipeline exploration techniques must be used to know the location of the underground pipeline, so as to provide effective data information support for smooth progress of the engineering.
The existing underground pipeline detection technology comprises a passive source method, an active source method and a ground penetrating radar method. Wherein,
the passive source method mainly refers to that a pipeline to be detected is induced by using a power supply and other devices, a corresponding electromagnetic field is formed, then relevant information of the electromagnetic field is obtained by using a receiving device, and the position and the depth of the pipeline are determined on the basis.
The active source method mainly refers to that a pipeline instrument sends out signals, an electromagnetic field of a detected pipeline is generated, and then receiving equipment is used for obtaining electromagnetic field signals, so that the position and the depth of the pipeline can be determined.
The ground penetrating radar method is mainly characterized in that electromagnetic waves are transmitted from the ground to the underground through an antenna, pulse waves can form diffraction echoes and reflections on corresponding interfaces due to certain physical differences between other media and pipelines, then signals are collected to a control console by an optical cable and are effectively processed, and finally, the underground pipelines are described by using radar patterns.
However, since underground pipelines in urban detection areas are densely distributed, there is a certain influence between adjacent pipelines. Moreover, a lot of building wastes exist in partial areas, a lot of advertising boards are arranged on two sides of roads, fences are arranged in isolation zones in the middle, the running speed of vehicles is very high, and the like, and the factors can influence the detection work of underground pipelines.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an engineering measuring device that can measure accurately without being influenced by environments such as terrain, landform, depth, electromagnetism, etc. to move in a pipeline, generally survey an underground pipeline, and provide an accurate pipeline position.
Disclosure of Invention
In view of the above, the present invention is directed to an engineering surveying device and a method for using the same, which are capable of moving in a pipeline, rapidly and accurately surveying an underground pipeline without being affected by the environments such as terrain, topography, depth, electromagnetism, etc., and providing an accurate pipeline position.
In order to achieve the above object, the present invention provides the following technical solutions.
An engineering surveying device, the device comprising a body, a driving module, a driven module and a foot adjustment device; wherein,
a plurality of concave mounting spaces are formed at the bottom of the main body;
the active module comprises a support leg, a motor, a Mecanum wheel and a connecting rod;
the driven module comprises a hydraulic supporting device, a top wheel row and transverse wheels.
Preferably, the number of the installation spaces is four, and the four installation spaces are respectively located at positions close to four corners of the bottom of the main body.
Preferably, the number of the support legs is equal to that of the installation spaces, the support legs and the installation spaces are in one-to-one correspondence, and the support legs are hinged in each installation space through a rotating shaft, so that each support leg can extend out of and retract from the side face of the main body around the rotating shaft; the tail end of each support leg is fixedly provided with a motor, the motors are arranged along the length direction of the main body, and the tail ends of the motors are connected with Mecanum wheels;
the support legs which are positioned on the same side of the main body and distributed along the length direction of the main body are connected through a connecting rod.
Preferably, the hydraulic supporting device is arranged at the top of the main body, and a top wheel row is arranged at the tail end of the hydraulic supporting device; the top wheel row comprises a top wheel groove, and a plurality of transverse wheels are arranged in the top wheel groove.
Preferably, the hydraulic support device is positioned on a middle line of the top of the main body; the axes of the plurality of transverse wheels are positioned at the same height.
Preferably, the transverse wheel comprises a wheel body, a plurality of concave parts are uniformly distributed along the periphery of the wheel body, and a transverse wheel is arranged in each concave part through a rotating shaft; a rotating shaft is arranged in the middle of the wheel body, and the wheel body is fixed in the top wheel groove through the rotating shaft;
the rotating advancing direction of the wheel body is perpendicular to the rotating advancing direction of the transverse wheel.
Preferably, each wheel body comprises two sub-wheel bodies which are arranged in an overlapping mode, a plurality of concave parts are evenly distributed on the periphery of each sub-wheel body, and a transverse wheel is installed in each concave part through a rotating shaft so as to improve the bearing capacity of the transverse wheel.
Preferably, the leg adjusting means includes: the device comprises a first cross bar, a second cross bar, an adjusting device and a buffer device; the support legs which are symmetrically distributed on two sides of the main body and are positioned at one end of the main body are connected with each other through a first cross rod, a second cross rod and an adjusting device;
the adjusting device comprises: the device comprises a rotary cylinder, a pressing sheet and a clamping device arranged between the rotary cylinder and the pressing sheet;
the inner side of the rotary cylinder is provided with an internal thread, the outer sides of the first cross rod and the second cross rod are respectively provided with an external thread, the external thread and the internal thread can be mutually meshed, and the first cross rod and the second cross rod are respectively connected to the left end and the right end of the rotary cylinder in a rotating manner;
the pressing sheet is arc-shaped and is fixedly connected to the rotary cylinder through a connecting spring, and the connecting spring is mainly used for connecting the rotary cylinder and the pressing sheet and resetting the pressing sheet;
the positions corresponding to the front end part and the rear end part of each pressing sheet are respectively provided with a clamping device;
the clamping device comprises a lever, a pressure spring, a rotating shaft and a clamping tooth; the rotating shaft is arranged on the outer side of the rotary cylinder; the middle part of the lever is rotationally connected with the rotating shaft, one end of the lever is positioned between the rotary cylinder and the pressing sheet to form an inner end, and the other end of the lever extends out of the end part of the rotary cylinder to form an outer end, so that a lever structure is obtained; one end of the pressure spring is connected to the bottom of the inner end, and the other end of the pressure spring is fixed on the outer side of the rotary cylinder and used for resetting the lever and providing clamping pressure for the lever; the clamping teeth are arranged at the bottom of the outer end and used for clamping the external threads of the first cross rod and/or the second cross rod.
Preferably, the support legs which are symmetrically distributed on the two sides of the main body and are positioned on the other end of the main body are connected with each other through a first cross bar, a second cross bar and a buffer module;
the buffer module comprises a connecting cylinder and a top spring; the buffer module is used for providing far-away elastic force for the first cross rod and the second cross rod when the first cross rod and the second cross rod are far away;
the connecting cylinder is of a smooth cylindrical structure, and one ends of the first cross rod and the second cross rod respectively extend into the connecting cylinder; the top spring is arranged in the connecting cylinder and is positioned between the first cross rod and the second cross rod, and the top spring is in a state of being compressed by the first cross rod and the second cross rod.
Preferably, based on the method for using the engineering measurement device, the method specifically includes:
s1, placing the measuring device in the pipeline, and judging whether the central line of the main body is superposed with the central line of the pipeline; if the two are coincident, go to step S5; if the two are not coincident, go to step S2;
s2, a user holds the pressing sheet and the rotary cylinder to enable the pressing sheet to descend, the connecting spring to be compressed, the pressure spring to be compressed, the inner end of the lever to be driven to press downwards, the outer end of the lever to ascend, the clamping teeth to ascend and be separated from clamping positions of the external threads of the first cross rod and/or the second cross rod;
s3, a user rotates the rotary cylinder, and the first cross bar and the second cross bar are driven to approach or separate from each other through the threads of the rotary cylinder, so that the distance between the support legs is increased or reduced, and the position of the main body in the pipeline is adjusted; in the process, a top spring in the buffer module at the other end of the main body jacks up the distance between the first cross rod and the second cross rod, so that the opening angles of the support legs at the two ends of the main body are the same;
s4, after the position adjustment is finished, a user loosens the pressing sheet, the pressure on the pressing sheet disappears, the pressing sheet rises under the action of the resilience force of the connecting spring, the pressure on the pressure spring disappears, the pressure spring rises, the inner end of the lever is driven to rise, meanwhile, the outer end of the lever falls down, the clamping teeth are driven to fall into the external threads of the first cross rod and/or the second cross rod, the first cross rod and/or the second cross rod are clamped, and the first cross rod and/or the second cross rod are prevented from rotating under the action of the pressure of the pipeline;
and S5, measuring the pipeline through the measuring device.
The advantages and effects of the present invention are as follows.
According to the method, the spiral advancing of the measuring device in the pipeline is realized through the driving module and the driven module, so that the multifunctional measurement of the pipeline can be realized, and meanwhile, the measuring result is not influenced by environments such as terrain, landform, depth, electromagnetism and the like; meanwhile, the center line of the measuring device can be ensured to coincide with the center line of the pipeline through the supporting leg adjusting device, the position locking of the supporting leg adjusting device is ensured through the locking device, and the accuracy of the measuring result is further ensured.
The foregoing description is only an overview of the technical solutions of the present invention, so that the technical means of the present invention can be more clearly understood and the present invention can be implemented according to the content of the description, and so that the above and other objects, features, and advantages of the present invention can be more clearly understood, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a front view of an engineering surveying device according to an embodiment of the present invention;
fig. 2 is a top view of an engineering measurement apparatus according to an embodiment of the present invention;
FIG. 3 is a side view of an engineering measurement device according to an embodiment of the present invention;
FIG. 4 is a front view of a transverse wheel provided by an embodiment of the present invention;
FIG. 5 is a front view of an adjustment device provided in accordance with an embodiment of the present invention;
FIG. 6 is a side view of an adjustment device provided in accordance with an embodiment of the present invention;
FIG. 7 is a front view of a spring assembly according to an embodiment of the present invention;
FIG. 8 is a front view of a measuring scale provided by an embodiment of the present invention;
FIG. 9 is a schematic view of a leg adjustment apparatus according to another embodiment of the present invention;
FIG. 10 is a side view of an engineering measurement device according to another embodiment of the present disclosure;
FIG. 11 is a view showing a structure of a screw hole formed in a leg according to another embodiment of the present invention;
wherein, 1-main body; 2-installation space; 3-support leg; 31-a motor; 32-Mecanum wheels; 33-a connecting rod; 34-a first cross bar; 35-a second cross bar; 36-an adjustment device; 361-rotary cylinder; 362-tabletting; 363-connecting spring; 364-lever; 365-a pressure spring; 366-a rotating shaft; 367-clamping teeth; 37-screw thread; 381-connecting cylinder; 382-a top spring; 391-an internal threaded hole; 392-a buffer material; 393-external threaded hole; 4-hydraulic support means; 5-top wheel row; 6-transverse wheels; 61-wheel body; 62-a recess; 63-a rotating shaft; 64-a transverse wheel; 7-a sensing component; 71-main support bar; 72-a sensor; 73-hydraulic support bars; 81-crankshaft; 82-curved portion; 83-connecting rod; 84-external thread; 85-a handle; 86-fastening bolts; 11-measuring the ruler; 111-ulnar section.
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. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for the sake of clarity and conciseness.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further 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.
Example 1
Referring to fig. 1-3, an engineering surveying device includes a body 1, a driving module and a driven module. Wherein,
the bottom of the main body 1 is formed with a plurality of concave mounting spaces 2.
Preferably, the number of the installation spaces 2 is four, and the four installation spaces 2 are respectively located at positions near four corners of the bottom of the main body 1.
The active module comprises a support leg 3, a motor 31, a mecanum wheel 32 and a connecting rod 33. Wherein,
the number of the support legs 3 is equal to that of the installation spaces 2, the support legs 3 correspond to the installation spaces 2 one by one, and the support legs 3 are hinged to each installation space 2 through rotating shafts, so that each support leg 3 can extend out of and retract from the side face of the main body 1 around the rotating shafts. Each support leg 3 end is fixed and is provided with motor 31, motor 31 sets up along main part 1 length direction, just motor 31 end-to-end connection has mecanum wheel 32.
The driven module comprises a hydraulic support device 4, a top wheel row 5 and a transverse wheel 6. Wherein,
the hydraulic support device 4 is arranged at the top of the main body 1, and the tail end of the hydraulic support device 4 is provided with a top wheel row 5. The top wheel row 5 comprises a top wheel groove, and a plurality of transverse wheels 6 are arranged in the top wheel groove.
Notably, the hydraulic support means 4 are located on the median line of the top of the body 1; the axes of the plurality of transverse wheels 6 are positioned at the same height.
When the engineering measurement device advances: the motor 31 respectively drives the Mecanum wheels 32 to rotate, and further drives the main body 1 to rotate and advance in the pipeline; in the process, the transverse wheels 6 are matched with the hydraulic supporting device 4 to fix the main body 1 on the axis of the pipeline, and meanwhile, the transverse wheels 6 realize transverse rotation in the pipeline and avoid obstructing the advance of the main body 1.
Referring to fig. 4, the transverse wheel 6 includes a wheel body 61, a plurality of concave portions 62 are uniformly distributed along the circumference of the wheel body 61, and a transverse wheel 64 is mounted in each concave portion 62 through a rotating shaft 63. The middle of the wheel body 61 is provided with a rotating shaft, and the wheel body 61 is fixed in the top wheel groove through the rotating shaft.
It should be noted that the rotational advancing direction of the wheel body 61 and the rotational advancing direction of the cross wheel 64 are perpendicular to each other.
Preferably, each wheel body 61 includes two sub wheel bodies arranged in an overlapping manner, a plurality of concave portions are uniformly distributed on the periphery of each sub wheel body, and a transverse wheel is installed in each concave portion through a rotating shaft, so as to improve the bearing capacity of the transverse wheel 6.
It should be noted that the electronic components such as the measurement device, the power supply, the sensor, the storage device, and the switch, and the connection relationship among the components, which are disposed inside the main body 1, are all measurement elements and connection methods commonly used in the art, and are not described in detail in this application.
Example 2
On the basis of embodiment 1, this embodiment further provides a technical scheme that realizes the span adjustment of the stabilizer blade, and then guarantees that main part 1 is located the pipeline axle center. The details are as follows.
Referring to fig. 1-3, the legs 3, which are located on the same side of the body 1 and distributed along the length of the body 1, are connected to each other by a connecting rod 33.
The support legs 3 symmetrically distributed on two sides of the main body 1 at one end of the main body 1 are connected through a first cross bar 34, a second cross bar 35 and an adjusting device 36.
The support legs 3 which are symmetrically distributed on two sides of the main body 1 and are positioned on the other end of the main body 1 are connected through a first cross bar 34, a second cross bar 35 and a buffer module.
Referring to fig. 5, the adjusting device 36 includes: the device comprises a rotary cylinder 361, a pressing sheet 362 and a clamping device arranged between the rotary cylinder 361 and the pressing sheet 362.
An internal thread is arranged on the inner side of the rotary cylinder 361, external threads are respectively arranged on the outer sides of the first cross rod 34 and the second cross rod 35, the external threads and the internal threads can be mutually meshed, and the first cross rod 34 and the second cross rod 35 are respectively rotatably connected to the left end and the right end of the rotary cylinder 361.
The pressing piece 362 is arc-shaped and is fixedly connected to the rotary cylinder 361 through a connecting spring 363, and the connecting spring is mainly used for connecting the rotary cylinder 361 and the pressing piece 362 and resetting the pressing piece 362.
Preferably, the pressing piece 362 is equal to the length of the rotary cylinder 361.
A position-locking device is provided corresponding to the front and rear ends of each pressing piece 362.
The detent device includes a lever 364, a compression spring 365, a rotating shaft 366 and a detent 367. The rotating shaft 366 is arranged outside the rotary drum 361; the middle part of the lever 364 is rotatably connected to the rotating shaft 366, so that one end of the lever 364 is positioned between the rotary cylinder 361 and the pressing sheet 362 to form an inner end, and the other end of the lever 364 extends out of the end part of the rotary cylinder 361 to form an outer end, thereby obtaining a lever structure; one end of the pressure spring 365 is connected to the bottom of the inner end, and the other end of the pressure spring is fixed to the outer side of the rotary cylinder 361 and used for resetting the lever 364 and providing clamping pressure for the lever; the clamping teeth 367 are arranged at the bottom of the outer end and are used for clamping the external threads of the first cross bar 34 and/or the second cross bar 35.
Preferably, the pressing sheet 362 has two sheets symmetrically disposed at two sides of the rotary drum 361, and two ends of each pressing sheet are provided with the locking devices.
In the using process, a user presses down the pressing sheet 362 to drive the pressing connection spring 363, the end of the pressing sheet 362 simultaneously presses down the inner end of the driving lever 364 to press down, so that the outer end of the driving lever 364 rises, the clamping tooth 367 is driven to rise, and the pressing sheet is separated from the clamping position of the external thread of the first cross bar 34 and/or the second cross bar 35; at this time, the user can rotate the rotary cylinder 361 to make the first cross bar 34 and the second cross bar 35 approach or separate from each other, so as to increase or decrease the distance between the legs 3, thereby adjusting the position of the main body 1 in the pipeline; after the position of the user is adjusted, the pressing piece 362 is loosened, the pressure of the pressing piece 362 disappears, the pressing piece 362 rises under the action of the elastic force of the connecting spring 363, the pressure on the compression spring 365 disappears, the compression spring 365 rises, the inner end of the lever 364 is driven to rise, meanwhile, the outer end of the lever 364 falls down, the clamping tooth 367 is driven to fall into the external thread of the first cross rod 34 and/or the second cross rod 35, the first cross rod 34 and/or the second cross rod 35 are clamped, and the first cross rod 34 and/or the second cross rod 35 are prevented from rotating under the action of the pressure of the pipeline.
Referring to fig. 6, the damping module includes a connecting cylinder 381 and a top spring 382. The buffer module is used for providing elastic force for the first cross bar 34 and the second cross bar 35 to move away when the first cross bar and the second cross bar are moved away.
The connecting cylinder 381 is a smooth cylindrical structure, and one end of each of the first cross bar 34 and the second cross bar 35 extends into the connecting cylinder 381; the top spring 382 is disposed in the connecting cylinder 381 between the first cross bar 34 and the second cross bar 35, and the top spring 382 is compressed by the first cross bar 34 and the second cross bar 35.
When the device is used, a user adjusts the distance between the support legs 3 on two sides of the main body 1, which are symmetrically distributed on one end of the main body 1, through the adjusting device 36, when the adjustment is far away from the adjustment, the adjusting device 36 adjusts one end of the main body 1, the distance between the two support legs 3 at the end is changed, the change is transmitted to the two support legs 3 at the other end through the connecting rod 33, but due to the static friction force of a pipeline and the gravity of the main body 1, the opening angles of the support legs 3 at two ends are difficult to realize the same only by virtue of the force transmitted by the connecting rod 33, and the resilience force provided by the top spring 382 by the buffering module can assist the force transmitted by the connecting rod 33, so that the opening angles of the support legs 3 at two. When the adjustment of the adjustment device 36 is close to adjustment, the adjustment device 36 transmits the adjustment force to the other leg 3 through the connecting rod 33, and presses the top spring 382 by the force transmitted through the connecting rod 33, the gravity of the body itself, and the static friction force of the mecanum wheel 32 against the pipe wall.
In order to ensure that the adjustment means 36 can ensure that the centre of gravity of the main body 1 is aligned with the centre line of the pipeline, a number of measuring scales 11 are provided on the main body 1, a number of said measuring scales 11 corresponding to different directions of the main body 1, respectively.
Referring to fig. 8, the measuring scale 11 is a telescopic structure formed by sleeving a plurality of scale sections 111, each scale section 11 is provided with scales, and after the user adjusts the main body 1 to a position deemed appropriate through the adjusting device 36, the user can push the tail end of the measuring scale 11 to the pipe wall by pulling out each measuring scale 11, so as to measure whether the center of the main body 1 coincides with the center line of the pipe.
Example 3
Based on the embodiment 1-2, the using method of the measuring device specifically comprises the following steps:
s1, placing the measuring device in the pipeline, pulling all the measuring scales 11 apart, pushing the tail ends of all the measuring scales 11 to the pipe wall, and measuring whether the central line of the main body 1 is coincident with the central line of the pipeline; if the two are coincident, go to step S5; if the two are not coincident, go to step S2;
s2, a user holds the pressing sheet 362 and the rotary cylinder 361, so that the pressing sheet 362 descends, the connecting spring 363 is compressed, the pressure spring 365 is also compressed, the inner end of the lever 364 is driven to press downwards, the outer end of the lever 364 is driven to ascend, the clamping teeth 367 are driven to ascend, and the pressing sheet is separated from the clamping position of the external threads of the first cross bar 34 and/or the second cross bar 35;
s3, the user rotates the rotary cylinder 361, and the first cross bar 34 and the second cross bar 35 are driven to approach or separate from each other through the screw thread of the rotary cylinder 361, so that the distance between the support legs 3 is increased or reduced, and the position of the main body 1 in the pipeline is adjusted; in the process, a top spring 382 in the buffer module at the other end of the main body 1 jacks up the distance between the first cross bar 34 and the second cross bar 35, so that the opening angles of the legs 3 at the two ends of the main body 1 are the same;
s4, after the position is adjusted, a user releases the pressing sheet 362, pressure on the pressing sheet 362 disappears, the pressing sheet 362 rises under the action of resilience force of the connecting spring 363, pressure on the compression spring 365 disappears, the compression spring 365 rises, the inner end of the lever 364 is driven to rise, meanwhile, the outer end of the lever 364 falls down, the clamping tooth 367 is driven to fall into the external thread of the first cross rod 34 and/or the second cross rod 35, the first cross rod 34 and/or the second cross rod 35 is clamped, and the first cross rod 34 and/or the second cross rod 35 are prevented from rotating under the action of pressure of the pipeline;
and S5, measuring the pipeline through the measuring device.
Example 4
On the basis of embodiment 2, in order to further implement the integrity measurement of the pipeline, the present embodiment further proposes the following technical solution.
The main body 1 is further provided with a sensing assembly 7, and the sensing assembly 7 comprises a main supporting rod 71, a sensor 72 and a hydraulic supporting rod 73.
One end of the main supporting rod 71 is rotatably connected to the main body 1; the sensor 72 is mounted at the end of the main support rod 71 through a rubber joint; the hydraulic support rods 73 are arranged on two sides of the main support rod 71 and used for supporting the main support rod 71, so that the sensor 72 can be always attached to the pipe wall of the pipeline in the process that the engineering measuring device travels in the pipeline.
Preferably, the sensor is in a certain arc shape and can be attached to the pipe wall of the pipeline.
Preferably, the sensor 72 is a pulsed eddy current sensor.
It should be noted that the circuit connection relationship between the sensor 72 and the electronic components (power supply, control chip, memory, etc.) of the engineering measurement device is common knowledge in the art, and will not be described in detail in this application.
Example 5
On the basis of embodiment 1, in order to realize the distance adjustment between the support legs 3 and further ensure that the main body 1 is located at the axis of the pipeline, the following technical solutions are further proposed in this embodiment.
Referring to fig. 9-11, the engineering surveying device further includes a foot adjustment device. Wherein,
the leg adjusting device includes: a crank shaft 81 and a connecting rod 83.
The number of the crank shafts 81 is two, one of the crank shafts 81 is disposed between two legs 3 transversely disposed at one end of the main body 1, and the other crank shaft 81 is disposed between two legs 3 transversely disposed at the other end of the main body 1. Specifically, the method comprises the following steps: the two ends of each crank shaft 81 are provided with external threads 84, the crank shaft 81 is rotatably connected in the internal thread holes 391 of the legs 3 through the external threads, and the internal thread holes 391 are clamped in the external thread holes 393 through the buffer materials 392.
Each crank shaft 81 is provided with a plurality of curved portions 82, and the two crank shafts 81 have the same shape.
A connecting rod 83 is connected between the two crankshafts 81, and two ends of the connecting rod 83 are respectively connected to a certain curved part 82 of the two crankshafts 81 in a rotating manner, so that when one of the crankshafts 81 rotates, the other crankshaft 81 can be driven to rotate along the same direction.
The fastening bolt 86 is arranged on the other side surface of the supporting leg 3 perpendicular to the side surface provided with the external threaded hole 393, the fastening bolt 86 penetrates into the internal threaded hole 391, the crankshaft 81 can be pressed by rotating the fastening bolt 86, and the crankshaft 81 is prevented from rotating automatically to cause displacement under the action of gravity of the main body 1.
Preferably, a handle 85 is rotatably connected to one of the curved portions 82 of the crank shaft 81, and a user can rotate the crank shaft 81 by holding the handle 85.
It should be noted that the measuring ruler 11 is still provided in this embodiment, and the function, structure and using method of the measuring ruler are the same as those in embodiment 2, and are not described herein again.
Example 6
Based on embodiment 5, the use method of the measuring device specifically comprises the following steps:
s1, placing the measuring device in the pipeline, pulling all the measuring scales 11 apart, pushing the tail ends of all the measuring scales 11 to the pipe wall, and measuring whether the central line of the main body 1 is coincident with the central line of the pipeline; if the two are coincident, go to step S5; if the two are not coincident, go to step S2;
s2, loosening the fastening bolt 86 on the leg 3, and releasing the compression of the fastening bolt 86 on the crank shaft 81;
s3, a user holds the handle 85, rotates the crank shaft 81, and realizes the approaching and separating of the two legs 3 through the relative rotation relationship between the external threads at the two ends of the crank shaft 81 and the internal thread hole 391; meanwhile, the crank shaft 81 drives another crank shaft 81 to rotate through the connecting rod 83, so that the opening angles of the legs 3 at the two ends of the main body 1 are the same;
s4, when the readings of the measuring sticks 11 are the same or the error is within the acceptable range, the user screws the fastening bolt 86, and the crankshaft 81 is fixed by the fastening bolt 86;
and S5, measuring the length and the integrity of the pipeline by the device.
The previous description of all disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An engineering surveying device, characterized in that the device comprises a main body (1), a driving module, a driven module and a leg adjusting device; wherein,
a plurality of concave mounting spaces (2) are formed at the bottom of the main body (1);
the active module comprises a support leg (3), a motor (31), a Mecanum wheel (32) and a connecting rod (33);
the driven module comprises a hydraulic supporting device (4), a top wheel row (5) and transverse wheels (6);
the number of the support legs (3) is equal to that of the installation spaces (2), the support legs and the installation spaces (2) are in one-to-one correspondence, and the support legs (3) are hinged in each installation space (2) through a rotating shaft, so that each support leg (3) can extend out of and retract from the side face of the main body (1) around the rotating shaft; a motor (31) is fixedly arranged at the tail end of each supporting leg (3), the motor (31) is arranged along the length direction of the main body (1), and the tail end of the motor (31) is connected with a Mecanum wheel (32);
the support legs (3) which are positioned on the same side of the main body (1) and distributed along the length direction of the main body (1) are connected through a connecting rod (33);
further comprising a foot adjustment device, the foot adjustment device comprising: the device comprises a first cross bar (34), a second cross bar (35), an adjusting device (36) and a buffer device; the support legs (3) which are positioned at one end of the main body (1) and symmetrically distributed at two sides of the main body (1) are connected through a first cross bar (34), a second cross bar (35) and an adjusting device (36);
the adjustment device (36) comprises: the rotary drum (361) and the pressing sheet (362) and the clamping device are arranged between the rotary drum (361) and the pressing sheet (362);
an internal thread is arranged on the inner side of the rotary cylinder (361), external threads are respectively arranged on the outer sides of the first cross rod (34) and the second cross rod (35), the external threads and the internal threads can be meshed with each other, and the first cross rod (34) and the second cross rod (35) are respectively connected to the left end and the right end of the rotary cylinder (361) in a rotating mode;
the pressing piece (362) is arc-shaped and is fixedly connected to the rotary cylinder (361) through a connecting spring (363), and the connecting spring is mainly used for connecting the rotary cylinder (361) and the pressing piece (362) and resetting the pressing piece (362);
a clamping device is respectively arranged at the positions corresponding to the front end part and the rear end part of each pressing sheet (362);
the clamping device comprises a lever (364), a pressure spring (365), a rotating shaft (366) and a clamping tooth (367); the rotating shaft (366) is arranged on the outer side of the rotary drum (361); the middle part of the lever (364) is rotatably connected with the rotating shaft (366), one end of the lever (364) is positioned between the rotary cylinder (361) and the pressing sheet (362) to form an inner end, and the other end of the lever (364) extends out of the end part of the rotary cylinder (361) to form an outer end, so that a lever structure is obtained; one end of the pressure spring (365) is connected to the bottom of the inner end, and the other end of the pressure spring is fixed to the outer side of the rotary cylinder (361) and used for resetting the lever (364) and providing clamping pressure for the lever; the clamping teeth (367) are arranged at the bottom of the outer end and are used for clamping the external threads of the first cross rod (34) and/or the second cross rod (35).
2. An engineering surveying device according to claim 1, characterized in that said installation spaces (2) are four, said four installation spaces (2) being located at respective positions near four corners of the bottom of the main body (1).
3. An engineering measuring device according to claim 1, characterized in that the hydraulic support device (4) is arranged on the top of the main body (1), and the hydraulic support device (4) is provided with a top wheel row (5) at the end; the top wheel row (5) comprises a top wheel groove, and a plurality of transverse wheels (6) are arranged in the top wheel groove.
4. An engineering measuring device according to claim 3, characterized in that the hydraulic support means (4) is located on the middle line of the top of the body (1); the axes of the plurality of transverse wheels (6) are positioned at the same height.
5. An engineering measuring device according to claim 3, characterized in that the transverse wheel (6) comprises a wheel body (61), a plurality of concave parts (62) are uniformly distributed along the periphery of the wheel body (61), and a transverse wheel (64) is installed in each concave part (62) through a rotating shaft (63); a rotating shaft is arranged in the middle of the wheel body (61), and the wheel body (61) is fixed in the top wheel groove through the rotating shaft;
the rotating forward direction of the wheel body (61) is perpendicular to the rotating forward direction of the transverse wheel (64).
6. An engineering surveying device according to claim 5, wherein each wheel body (61) comprises two sub wheel bodies arranged in an overlapping manner, a plurality of recesses are evenly distributed on the periphery of each sub wheel body, and a transverse wheel is mounted in each recess through a rotating shaft so as to improve the bearing capacity of the transverse wheel (6).
7. The engineering measuring device of claim 1, wherein the support legs (3) at the other end of the main body (1) symmetrically distributed on two sides of the main body (1) are connected with the buffer module through a first cross bar (34) and a second cross bar (35);
the buffer module comprises a connecting cylinder (381) and a top spring (382); the buffer module is used for providing far-away elastic force for the first cross rod (34) and the second cross rod (35) when the first cross rod and the second cross rod are far away;
the connecting cylinder (381) is a smooth cylindrical structure, and one end of each of the first cross rod (34) and the second cross rod (35) extends into the connecting cylinder (381); the top spring (382) is arranged in the connecting cylinder (381) and is positioned between the first cross rod (34) and the second cross rod (35), and the top spring (382) is in a state of being compressed by the first cross rod (34) and the second cross rod (35).
8. The use method of the engineering measurement device according to claim 7, wherein the method specifically comprises:
s1, placing the measuring device in the pipeline, and judging whether the central line of the main body (1) is overlapped with the central line of the pipeline; if the two are coincident, go to step S5; if the two are not coincident, go to step S2;
s2, a user holds the pressing sheet (362) and the rotary cylinder (361), the pressing sheet (362) descends, the connecting spring (363) is compressed, the pressure spring (365) is also compressed, the inner end of the lever (364) is driven to press downwards, the outer end of the lever (364) is driven to ascend, the clamping teeth (367) are driven to ascend, and the pressing sheet is separated from the clamping position of the external threads of the first cross rod (34) and/or the second cross rod (35);
s3, a user rotates the rotary cylinder (361), and the first cross bar (34) and the second cross bar (35) are driven to approach or separate from each other through the thread of the rotary cylinder (361), so that the distance between the support legs (3) is increased or reduced, and the position of the main body (1) in the pipeline is adjusted; in the process, a top spring (382) in the buffer module at the other end of the main body (1) jacks up the distance between the first cross rod (34) and the second cross rod (35) to ensure that the opening angles of the support feet (3) at the two ends of the main body (1) are the same;
s4, after the position is adjusted, a user loosens the pressing sheet (362), pressure on the pressing sheet (362) disappears, the pressing sheet (362) rises under the action of resilience force of the connecting spring (363), then pressure on the pressing spring (365) disappears, the pressing spring (365) rises, further the inner end of the lever (364) is driven to rise, meanwhile, the outer end of the lever (364) falls down, further the clamping tooth (367) is driven to fall into the external thread of the first cross bar (34) and/or the second cross bar (35), the first cross bar (34) and/or the second cross bar (35) are/is clamped, and the first cross bar (34) and/or the second cross bar (35) are/is prevented from rotating under the pressure action of the pipeline;
and S5, measuring the pipeline through the measuring device.
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