CN217058750U - Three-wire guyed displacement meter and measuring device - Google Patents
Three-wire guyed displacement meter and measuring device Download PDFInfo
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- CN217058750U CN217058750U CN202220937162.8U CN202220937162U CN217058750U CN 217058750 U CN217058750 U CN 217058750U CN 202220937162 U CN202220937162 U CN 202220937162U CN 217058750 U CN217058750 U CN 217058750U
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Abstract
The utility model belongs to the technical field of the stay-supported displacement meter, concretely relates to three-wire stay-supported displacement meter takes into account measuring device. The three-wire stay wire type displacement meter comprises an assembled sealed box body, three sets of stay wire measuring and controlling devices and a wire outlet seat arranged on the outer wall of the box body; the three sets of stay wire measurement and control devices are transversely arranged in the box body, each set of stay wire measurement and control device comprises a motor, a connecting rod connected with an output shaft of the motor, a wire spool sleeved on the connecting rod and an encoder sleeved on the output shaft of the motor, the motor drives the wire spool to rotate through the connecting rod to receive and release steel wires, and the encoder measures the rotation angle of the wire spool to calculate the wire outlet length of the steel wires on the wire spool; three steel wires run through the top plate and the wire outlet seat and are led out of the box body. The utility model provides a current displacement meter installation work when using three single line stay-supported displacement meters to acquire unknown point position numerous, data communication and handle inconvenient scheduling problem, and then reduce the measurement cost, improve measurement of efficiency.
Description
Technical Field
The utility model belongs to the technical field of the stay-supported displacement meter, concretely relates to three-wire stay-supported displacement meter takes into account measuring device.
Background
The pull-wire type displacement meter belongs to a length metering device, has the advantages of wide range and dynamic displacement measurement, and is widely applied to occasions needing distance measurement. At present, a commonly used pull-wire type displacement meter generally comprises a steel wire and a measuring system for measuring the outgoing length of the steel wire. When the single-wire stay wire type displacement meter is used for acquiring the position of an unknown point on a piece to be installed, a single-wire stay wire type displacement meter is required to be respectively installed at three known points which are not collinear on the installed piece, and steel wires of the three single-wire stay wire type displacement meters are connected with the unknown point on the piece to be installed; and calculating the position coordinates of the unknown points according to the measurement data of the three single-wire pull-type displacement meters and the position coordinates of the known points where the three single-wire pull-type displacement meters are positioned.
In the conventional method for acquiring the position of an unknown point by using three single-wire stay wire type displacement meters, the three single-wire stay wire type displacement meters are required to be respectively installed on installed parts, and each displacement meter is respectively subjected to data communication and processing in the measurement process; therefore, the displacement meter has a lot of installation work, and data communication and processing are inconvenient, which causes high measurement cost and low measurement efficiency.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the correlation technique, the utility model provides a three-wire stay-supported displacement meter takes into account measuring device aims at solving the displacement meter installation work that has now three single-wire stay-supported displacement meters when using to acquire unknown point position numerous, data communication and handle inconvenient scheduling problem to reduce measurement cost, improve measurement of efficiency.
The utility model provides a three-wire guyed displacement meter, include:
the box body is an assembled sealed box body; the box body comprises a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are respectively connected to the two longitudinal ends of the top plate and are oppositely arranged;
three sets of measurement and control device that act as go-between, along transversely laying in the inside of box, every set of measurement and control device that acts as go-between specifically includes:
the motor is arranged on the first side plate, and an output shaft of the motor faces the second side plate;
one end of the connecting rod is connected with an output shaft of the motor, and the other end of the connecting rod is connected with the second side plate;
the wire spool is sleeved at one end, close to the second side plate, of the connecting rod, and a steel wire is wound on the wire spool; the motor drives the wire spool to rotate through the connecting rod so as to receive and release the steel wire;
the encoder is sleeved on an output shaft of the motor to measure the rotation angle of the wire spool and calculate the wire outgoing length of the steel wire;
the data interface is arranged in the box body and is in communication connection with the three encoders, and the data interface is used for outputting the measurement data of the three encoders outwards;
the wire outlet seat is arranged on the outer wall of the top plate, one end, far away from the top plate, of the wire outlet seat is provided with a wire outlet, and the three steel wires penetrate through the top plate and the wire outlet seat and are led out of the box body through the wire outlet.
Above-mentioned technical scheme, through three sets of measuring and control device that act as go-between, act as go-between three steel wires and integrate to same platform stay-supported displacement meter on, the displacement meter's of being convenient for installation, data communication and processing have solved the displacement meter installation work when using three single line stay-supported displacement meters to obtain unknown point position now and have been numerous, data communication and handle inconvenient scheduling problem, and then reduce measurement cost, improve measurement of efficiency.
In some of these embodiments, the three-wire pull displacement meter further comprises a power interface mounted within the housing for providing a power supply to the three-wire pull displacement meter.
In some embodiments, the box body further comprises a middle partition board, wherein the middle partition board is arranged between the first side board and the second side board and is parallel to the first side board and the second side board; the middle clapboard divides the inner space of the box body into a mechanical bin and an electronic bin which are mutually independent, and the electronic bin is a watertight bin; the wire spool is positioned in the mechanical bin, and the motor, the encoder, the data interface and the power interface are all positioned in the electronic bin; the connecting rod runs through the median septum, and the waterproof sealing connection of the department of running through of connecting rod on the median septum. According to the technical scheme, the electrical parts are uniformly arranged in the electronic bin with the water tightness through the arrangement of the middle partition plate, so that the operation reliability of the electrical parts is ensured; but also the structural strength of the box body is enhanced.
In some embodiments, the outlet seat is made of polyformaldehyde material. The technical scheme ensures that the wire outlet seat has good wear resistance and avoids abrasion caused by steel wire movement.
In some of these embodiments, the steel wire is made of 316 braided steel wire, the diameter of which is 1 mm.
The utility model also provides a measuring device, include:
the three-wire stay wire type displacement meter is used for being installed on a piece to be installed;
a measuring plate for fitting to the installed member; three non-collinear measuring points are distributed on the surface of the measuring plate facing the three-line stay wire type displacement meter, and the three measuring points are detachably connected with three steel wires of the three-line stay wire type displacement meter respectively.
According to the technical scheme, the using number of the displacement meters is reduced, and the displacement meters are convenient to install, communicate and process data, so that the measurement cost is reduced, and the measurement efficiency is improved; meanwhile, the three steel wire stay wires belong to the same displacement meter, so that the relative precision of the outgoing lengths of the three steel wires is improved, and the positioning precision of unknown points on the mounting piece can be effectively improved.
In some embodiments, the measuring plate has a triangular shape, and the three measuring points are respectively located at the corners of the measuring plate.
Based on the technical scheme, the embodiment of the utility model provides a measuring device is taken into account to three-wire stay-supported displacement meter has solved the displacement meter installation work when using three single-wire stay-supported displacement meters to acquire unknown point position now and has been numerous, data communication and handle inconvenient scheduling problem, has reduced the measurement cost, has improved measurement of efficiency to the positioning accuracy who treats unknown point on the installed part has been improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is an overall structure diagram of a three-wire guy wire type displacement meter of the present invention;
fig. 2 is an internal structure view of the three-wire pull type displacement meter of the present invention (the top plate is not shown);
fig. 3 is a structural view of the measuring plate of the present invention;
fig. 4 is a schematic view of the working principle of the measuring device of the present invention.
In the figure: 1. a three-wire pull type displacement meter; 11. a box body; 111. a top plate; 112. a base plate; 113. a first side plate; 114. a second side plate; 115. a middle partition plate; 12. a stay wire measurement and control device; 121. a motor; 122. a connecting rod; 123. a wire spool; 124. a steel wire; 125. an encoder; 13. a wire outlet seat; 131. an outlet; 14. a data interface; 15. a power interface; 2. measuring the plate; 21. and (6) measuring points.
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. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "top," "bottom," "inner," "outer," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in fig. 2, which is based on the orientation or positional relationship shown in fig. 2, and are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The terms "first", "second", etc. are used for descriptive purposes only 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," "second," etc. may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the three-wire pull type displacement meter 1 of the present invention comprises a box 11, three sets of pull measuring and controlling devices 12, a wire outlet base 13, and a data interface 14.
The box body 11 is an assembled sealed box body 11, and the shape of the box body 11 is a cuboid generally. The box body 11 comprises a top plate 111, a bottom plate 112 arranged opposite to the top plate 111, and a first side plate 113 and a second side plate 114 which are respectively connected to the two longitudinal ends of the top plate 111 and are arranged oppositely; similarly, the first side plate 113 and the second side plate 114 are connected to both ends of the bottom plate 112 in the longitudinal direction, respectively. The box body 11 is made of 316 stainless steel.
Three sets of stay wire measurement and control devices 12 are transversely arranged in the box body 11. Each set of the stay wire measurement and control device 12 specifically includes a motor 121, a connecting rod 122, a wire spool 123 and an encoder 125. The motor 121 is mounted on the first side plate 113, and an output shaft of the motor 121 faces the second side plate 114. One end of the connecting rod 122 is connected to an output shaft of the motor 121, and the other end is connected to the second side plate 114. The wire spool 123 is sleeved at one end of the connecting rod 122 close to the second side plate 114, and a steel wire 124 is wound on the wire spool 123; it can be understood that, after the motor 121 is started, the output shaft of the motor 121 starts to rotate, and the wire spool 123 is driven to rotate through the connecting rod 122 to wind and unwind the steel wire 124. The encoder 125 is sleeved on the output shaft of the motor 121 and is used for measuring the number of rotation turns of the output shaft of the motor 121, further measuring the rotation angle of the wire spool 123, and calculating the wire outgoing length of the steel wire 124 on the wire spool 123 according to the rotation angle.
The data interface 14 is installed in the housing 11 and is communicatively connected to three encoders 125. The data interface 14 is used for outputting the measurement data of the three encoders 125; it will be appreciated that data communication may be accomplished by connecting a data line external to the data interface 14.
The outlet base 13 is installed on the outer wall of the top plate 111, one end of the outlet base 13, which is far away from the top plate 111, is provided with an outlet 131, and the three steel wires 124 penetrate through the top plate 111 and the outlet base 13, converge at the outlet 131, and are led out of the box body 11 through the outlet 131. It should be noted that the three steel wires 124 belong to the same displacement meter, so that the relative accuracy of the outgoing lengths of the three steel wires 124 is improved, and the measurement accuracy of the displacement meter is improved.
Above-mentioned exemplary embodiment, through the setting of three sets of measurement and control device 12 of acting as go-between, act as go-between three steel wires 124 and integrate to same station stay-supported displacement meter on, the installation, data communication and the processing of the displacement meter of being convenient for have solved the displacement meter installation work when using three single line stay-supported displacement meters to obtain unknown point position at present and have been numerous, data communication and the inconvenient scheduling problem of processing, and then reduce measurement cost, improve measurement of efficiency.
As shown in fig. 2, in some embodiments, the three-wire pull displacement meter 1 further comprises a power interface 15 mounted within the housing 11, the power interface 15 being configured to provide a power supply to the three-wire pull displacement meter 1.
As shown in FIG. 2, in some embodiments, the housing 11 also includes a middle bulkhead 115. The middle partition 115 is disposed between the first side plate 113 and the second side plate 114, and is parallel to the first side plate 113 and the second side plate 114. Further, the middle partition 115 divides the internal space of the box body 11 into a mechanical bin and an electronic bin which are independent from each other; wherein, the electronic cabin is a watertight cabin, and water seepage of 50m under water is ensured. The wire spool 123 is located in the mechanical bin, and the motor 121, the encoder 125, the data interface 14 and the power interface 15 are all located in the electronic bin. The connecting rod 122 penetrates through the middle partition plate 115, and the penetrating part of the connecting rod 122 on the middle partition plate 115 is in waterproof sealing connection, so that the watertight performance of the electronic bin is ensured.
In the above exemplary embodiment, by the arrangement of the middle partition plate 115, the electrical components are uniformly arranged in the electronic cabin with water tightness, and the operational reliability of the electrical components is ensured; but also the structural strength of the case 11.
In some embodiments, the wire outlet base 13 is made of polyoxymethylene material, so as to ensure that the wire outlet base 13 has good wear resistance, and avoid abrasion of the wire outlet base 13 and the wire outlet 131 thereon due to movement of the steel wire 124.
In some embodiments, the steel wires 124 are made of 316 braided steel wires 124, and the diameter of the steel wires 124 is 1mm, so as to ensure that the strength of the steel wires 124 meets the use requirement.
As shown in fig. 3-4, the present invention further provides a measuring device, which comprises a measuring plate 2 and the three-wire pull type displacement meter 1. Wherein, the three-wire guy wire type displacement meter 1 is used for being installed on a piece to be installed; the measuring plate 2 is used for being assembled on the installed part; the surface of the measuring plate 2 facing the three-wire stay wire type displacement meter 1 is provided with three non-collinear measuring points 21, and the three measuring points 21 are detachably connected with three steel wires 124 of the three-wire stay wire type displacement meter 1 respectively.
In the illustrative embodiment, the three-wire stay wire type displacement meter 1 is arranged on the part to be installed, and the measuring plate 2 with three non-collinear measuring points 21 is arranged on the installed part, so that the using number of the displacement meters is reduced, the installation, data communication and processing of the displacement meters are facilitated, the measuring cost is reduced, and the measuring efficiency is improved; meanwhile, the three steel wires 124 belong to the same displacement meter, so that the relative precision of the outgoing lengths of the three steel wires 124 is improved, and the positioning precision of unknown points on the to-be-installed part can be effectively improved.
In some embodiments, as shown in fig. 3, the measurement plate 2 has a triangular shape, and the three measurement points 21 are located at the corners of the measurement plate 2. The measuring plate 2 is made of 316 stainless steel; the measuring plate 2 can be hollowed out to reduce weight and facilitate installation. It is understood that the triangle may be an equilateral triangle, an isosceles triangle or an irregular triangle, and the present invention is not particularly limited. This exemplary embodiment achieves a non-collinear arrangement of three measuring points 21.
The working process and working principle of the measuring device of the present invention for obtaining the position coordinates of the unknown point on the to-be-installed member will be briefly described with reference to fig. 1 to 4:
1) the measuring plate 2 is mounted on the mounted member, and the position coordinates of three non-collinear measuring points 21 on the measuring plate 2 are obtained and are respectively marked as (u) 1 ,v 1 ,w 1 )、(u 2 ,v 2 ,w 2 )、(u 3 ,v 3 ,w 3 ) (ii) a Mounting the three-wire stay wire type displacement meter 1 on a to-be-mounted part, and correspondingly connecting the three steel wires 124 with the three measuring points 21 one by one; it can be understood that the three-wire stay wire type displacement meter 1 and the measuring plate 2 are arranged oppositely, and the height is preferably similar;
it should be noted that the step of obtaining the position coordinates of the three measuring points 21 on the measuring plate 2 specifically includes: after the installed part is installed in place, through measurement is carried out to obtain the position coordinate of the installed part; calibrating the relative position relation between the three non-collinear measuring points 21 on the measuring plate 2 and the installed part, and then calculating to obtain the position coordinates of the three measuring points 21 by combining the position coordinates of the installed part;
2) the outgoing lengths of the three steel wires 124 are measured in real time and are respectively marked as L 1 、L 2 、L 3 (ii) a It will be understood that outlet length refers to the length of the wire from outlet 131 to station 21124 length; combining the position coordinates (u) of three measuring points 21 1 ,v 1 ,w 1 )、(u 2 ,v 2 ,w 2 )、(u 3 ,v 3 ,w 3 ) Obtaining real-time position coordinates (x, y, z) of an outlet 131 of the three-wire stay wire type displacement meter 1 through the following equation group calculation;
further, when the three-wire pull type displacement meter 1 is installed on the to-be-installed part, the relative position relationship between the outlet 131 of the three-wire pull type displacement meter 1 and the unknown point on the to-be-installed part is calibrated, and the position coordinates of the unknown point on the to-be-installed part are calculated and obtained by combining the real-time position coordinates of the outlet 131 of the three-wire pull type displacement meter 1 obtained through calculation. It should be noted that, by arranging a plurality of sets of measuring devices between the installed component and the component to be installed, the position coordinates of the outlets 131 of the plurality of three-wire pull type displacement meters 1 can be obtained, and the position coordinates of a plurality of unknown points on the component to be installed are correspondingly obtained, thereby realizing the accurate positioning of the component to be installed.
Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.
Claims (7)
1. A three-wire pull displacement meter, comprising:
the box body is an assembled sealed box body; the box body comprises a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are respectively connected to the two longitudinal ends of the top plate and are oppositely arranged;
three sets of measurement and control device that act as go-between transversely arrange in the inside of box, every set the measurement and control device that acts as go-between specifically includes:
the motor is arranged on the first side plate, and an output shaft of the motor faces the second side plate;
one end of the connecting rod is connected with an output shaft of the motor, and the other end of the connecting rod is connected with the second side plate;
the wire spool is sleeved at one end, close to the second side plate, of the connecting rod, and a steel wire is wound on the wire spool; the motor drives the wire spool to rotate through the connecting rod so as to reel and unwind the steel wire;
the encoder is sleeved on an output shaft of the motor to measure the rotation angle of the wire spool and calculate the wire outgoing length of the steel wire according to the rotation angle;
the data interface is arranged in the box body and is in communication connection with the three encoders, and the data interface is used for outputting the measurement data of the three encoders outwards;
and the three steel wires penetrate through the top plate and the wire outlet seat and are led out of the box body through the wire outlet.
2. A three-wire pull displacement meter according to claim 1, further comprising a power interface mounted within the housing for providing a power supply to the three-wire pull displacement meter.
3. A three-wire pull-wire displacement meter according to claim 2, wherein the case further comprises a middle partition plate disposed between and parallel to the first side plate and the second side plate; the middle partition plate divides the internal space of the box body into a mechanical bin and an electronic bin which are mutually independent, and the electronic bin is a watertight bin; the wire spool is positioned in the mechanical bin, and the motor, the encoder, the data interface and the power interface are all positioned in the electronic bin; the connecting rod runs through the median septum, just the connecting rod in the waterproof sealing connection of department of running through on the median septum.
4. A three-wire pull wire type displacement meter according to claim 1, wherein said wire outlet seat is made of polyoxymethylene material.
5. A three-wire pull type displacement meter according to claim 1, wherein said steel wire is made of 316-braided steel wire, and said steel wire has a diameter of 1 mm.
6. A measuring device, comprising:
a three-wire pull displacement meter according to any one of claims 1 to 5, for mounting to a member to be mounted;
a measuring plate for fitting to the installed member; the surface of the measuring plate facing the three-wire stay wire type displacement meter is provided with three non-collinear measuring points which are detachably connected with three steel wires of the three-wire stay wire type displacement meter respectively.
7. A measuring device according to claim 6, wherein the measuring plate has a triangular shape, and three measuring points are respectively located at corners of the measuring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220937162.8U CN217058750U (en) | 2022-04-21 | 2022-04-21 | Three-wire guyed displacement meter and measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220937162.8U CN217058750U (en) | 2022-04-21 | 2022-04-21 | Three-wire guyed displacement meter and measuring device |
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| CN217058750U true CN217058750U (en) | 2022-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031673A (en) * | 2022-08-10 | 2022-09-09 | 中交第一航务工程局有限公司 | Underwater push-out type final joint three-wire positioning method for immersed tube tunnel |
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2022
- 2022-04-21 CN CN202220937162.8U patent/CN217058750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031673A (en) * | 2022-08-10 | 2022-09-09 | 中交第一航务工程局有限公司 | Underwater push-out type final joint three-wire positioning method for immersed tube tunnel |
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