CN212274777U - Measuring scale capable of avoiding obstacles - Google Patents
Measuring scale capable of avoiding obstacles Download PDFInfo
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- CN212274777U CN212274777U CN202021026637.5U CN202021026637U CN212274777U CN 212274777 U CN212274777 U CN 212274777U CN 202021026637 U CN202021026637 U CN 202021026637U CN 212274777 U CN212274777 U CN 212274777U
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Abstract
The invention relates to a measuring scale capable of avoiding obstacles, which comprises an end part connecting piece, a right-angle switching piece and a fixed-length connecting rod, wherein the right-angle switching piece comprises a cross rod part and switching inclined parts arranged at the end part of the cross rod part, the included angle between the switching inclined parts and the cross rod part is 135 degrees, the included angle between the two switching inclined parts on the cross rod part is 90 degrees, the two ends of the switching inclined parts and the fixed-length connecting rod and the end part connecting piece are respectively provided with a joint capable of being mutually connected, the included angle between the fixed-length connecting rod and the end part connecting piece after being connected is 45 degrees, and the included angle between the fixed-length connecting rod and the right-angle switching piece after being connected is 135 degrees. The measurement efficiency is improved.
Description
Technical Field
The invention relates to a measuring scale capable of avoiding obstacles.
Background
In the field of current engineering survey, in field survey, common equipment comprises a graduated scale, a theodolite, a total station and the like. In the field measurement, a plurality of obstacles exist in the measuring range, and the size and the shape are not fixed, so that the measurement engineering and the lofting work are seriously hindered, particularly when the large ground obstacles such as trees are encountered.
At present, when an obstacle in a measuring range is encountered, a graduated scale (comprising a tape, a measuring tape, a steel ruler and the like) cannot bypass an irregular obstacle, even if high-precision electronic measuring equipment is used, an auxiliary point needs to be arranged for measurement, the efficiency of the measuring mode is low, and the situations of large post-calculation amount, large measuring error, low data reliability and the like exist. The total station can ensure higher accuracy in measurement, but has the problems of high equipment cost, complex post data processing, certain difficulty in operation and the like.
Disclosure of Invention
The invention provides a measuring scale capable of avoiding obstacles, which solves the problems of difficult measurement, large error and complex later data calculation when obstacles exist in the horizontal measuring range during engineering measurement operation.
The invention solves the technical problem by adopting a scheme that the measuring scale capable of avoiding obstacles comprises an end part connecting piece, a right-angle adapter piece and a fixed-length connecting rod, wherein the right-angle adapter piece comprises a cross rod part and a transfer inclined part arranged at the end part of the cross rod part, the included angle between the transfer inclined part and the cross rod part is 135 degrees, the included angle between two transfer inclined parts on the cross rod part is 90 degrees, connectors capable of being connected with each other are arranged on the transfer inclined part, the two ends of the fixed-length connecting rod and the end part connecting piece, the included angle between the fixed-length connecting rod and the end part connecting piece after the fixed-length connecting rod is connected with the end part connecting piece is 45 degrees, and the included angle between the fixed-length connecting.
Furthermore, the joint comprises a convex column part and a groove part, wherein the convex column part and the groove part at the end part of the fixed-length connecting rod are spliced with the adjacent convex column part and the adjacent groove part at the end part of the fixed-length connecting rod, the end part of the transfer inclined part or the end part connecting piece.
Furthermore, the included angle between the axis connecting line of the convex column part and the concave groove part on the end part connecting piece and the horizontal plane is 45 degrees.
Furthermore, the effective measurement length of the fixed-length connecting rod is 2 times the root number of the effective measurement length of the right-angle adapter, and the effective measurement length of the right-angle adapter is the same as the effective measurement length of the end connecting piece.
Furthermore, the effective measurement length of the fixed-length connecting rod is the linear distance from the center of the convex column part at one side of the fixed-length connecting rod and the center of the groove part to the middle point of the circle center connecting line of the convex column part at the other side of the fixed-length connecting rod and the center of the groove part at the other side of the fixed-length connecting rod, and the effective measurement length of the right-angle adapter is the linear distance from the center of the convex column part at one side of the fixed-length.
Furthermore, the fixed length connecting rod is provided with notches on the upper side of one end and the lower side of the other end, and the convex column part and the concave groove part are arranged on the bottom surface of the notch.
Further, the end connecting piece comprises two side plates arranged at intervals, the inner ends and the outer ends of the two side plates are respectively connected through a calibration plate A and a calibration plate B, a middle fixing plate is arranged between the calibration plate A and the calibration plate B, a positioning plate is arranged between the calibration plate A and the middle fixing plate, a joint bearing platform is arranged between the calibration plate B and the middle fixing plate, the end part of the positioning plate and the end part of the joint bearing platform are connected with the side plates at the same side, a convex column part and a concave part are arranged on the front side surface of the joint bearing platform, a shaft nail hole, a positioning observation hole A and a positioning calibration point A are arranged in the middle of the positioning plate, the positioning calibration point A is positioned on the axis connecting line of the shaft nail hole and the positioning observation hole, positioning rubber rib grooves are arranged on the side plates, the positioning rubber rib grooves on the upper side plate and the, The positioning and calibrating point B is positioned outside the positioning and observing hole B, a connecting line between the positioning and calibrating point B and the positioning and calibrating point A is perpendicular to the axis of the positioning and observing hole A, a fixing nail hole A is formed in the middle fixing plate, a fixing nail hole B is formed in the calibrating plate B, and the axes of the shaft nail hole, the positioning and observing hole A, the positioning and observing hole B, the fixing nail hole A and the fixing nail hole B are coplanar.
Furthermore, the lower ends of the calibration plate A, the middle fixed plate and the calibration plate B are all provided with anti-slip hooks, and the effective measurement length of the end connecting piece is the linear distance between the center line of the shaft nail hole and the center line connecting line midpoint of the upper column part and the groove part.
Compared with the prior art, the invention has the following beneficial effects: simple structure, reasonable in design, portable, installation and dismantlement, operation convenient to use can avoid the barrier, can play the effect of auxiliary measurement when having the barrier on measuring the route, has certain accuracy to need not carry out the complicated later stage of secondary and calculate and can obtain quick measuring result, improve measurement of efficiency, measure difficulty, the great, the complicated problem of later stage data calculation when having the barrier in the horizontal range when solving the engineering survey operation.
Drawings
The invention is further described with reference to the following figures.
FIG. 1 is a schematic structural view of the present measuring ruler;
FIG. 2 is a schematic view of a fixed length connecting rod;
FIG. 3 is a top view of the construction of the length-fixed link;
FIG. 4 is a schematic structural view of a right angle adaptor;
FIG. 5 is a front view of the end connector configuration;
FIG. 6 is a top view of the structure of the end connector;
fig. 7 is a schematic view of the end connector in its operating condition.
In the figure: 1-an end connector; 110-side plate; 111-a tendon groove; 120-calibration plate A; 121-positioning of viewing hole B; 122-locate calibration point B; 130-calibration plate B; 131-fixing nail hole B; 140-a joint cap; 150-middle fixed plate; 151-anchor nail hole a; 160-a positioning plate; 161-axis nail hole; 162-positioning viewing port A; 163-locate calibration point A; 2-connecting the fixed length rod; 3-a right angle adaptor; 301-crossbar portion; 302-transition ramp; 4-positioning the spool nail; 5-range positioning line; 6-a linker; 601-groove section; 602-convex column; 7-rubber band; 8-anti-slip hook.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-7, a measuring scale capable of avoiding obstacles comprises an end connector 1, a right-angle adapter 3 and a fixed-length connecting rod 2, wherein the right-angle adapter comprises a cross rod part 301 and a transfer inclined part 302 arranged at the end of the cross rod part, an included angle between the transfer inclined part and the cross rod part is 135 degrees, an included angle between two transfer inclined parts on the cross rod part is 90 degrees, connectors 6 capable of being connected with each other are arranged on the transfer inclined part, two ends of the fixed-length connecting rod and the end connector, an included angle between the fixed-length connecting rod and the end connector is 45 degrees after the fixed-length connecting rod is connected with the end connector, and an included angle between the fixed-length connecting rod and the right-angle adapter is 135 degrees;
the components are used in an assembly mode, and the assembly mode is as follows: 1 section of end connecting piece, N sections of fixed length connecting rods, 1 section of right-angle adapter piece, N sections of fixed length connecting rods and 1 section of end connecting piece.
In this embodiment, the end connector, the right-angle adapter and the fixed-length connecting rod are all made of engineering plastics.
In this embodiment, the joint includes a protruding portion 602 and a groove portion 601, where the protruding portion and the groove portion of the end of the fixed-length connecting rod are inserted into the adjacent groove portion and protruding portion of the end of the fixed-length connecting rod, the end of the transfer inclined portion, or the end connector.
In this embodiment, an included angle between a line connecting axes of the protruding pillar portion and the groove portion of the end connector and a horizontal plane is 45 degrees.
In this embodiment, the effective measurement length of the fixed-length connecting rod is 2 times the root of the effective measurement length of the right-angle adapter, and the effective measurement length of the right-angle adapter is the same as the effective measurement length of the end connecting piece; the root number 2 is 1.4142, preferably, the effective measurement length of the right-angle adapter is 200mm, the effective measurement length of the fixed-length connecting rod is 282.84mm, namely the effective range of the fixed-length connecting rod in the vertical direction is 200mm, and the scheme can realize that a measurer can obtain the length of the measurement section by counting the number of the used components and multiplying the number by 200 mm.
In this embodiment, the effective measurement length of the fixed-length connecting rod is a linear distance between centers of the convex portion and the concave portion on one side of the fixed-length connecting rod and a central point of a connecting line between centers of the convex portion and the concave portion on the other side of the fixed-length connecting rod, and the effective measurement length of the right-angle adapter is a linear distance between centers of the convex portion and the concave portion on one side of the fixed-length connecting rod and a central point of a connecting line between centers of the convex portion.
In this embodiment, the fixed length connecting rod is provided with a notch on one end upper side and the downside of the other end, and the protruding column part and the concave groove part are arranged on the bottom surface of the notch.
In this embodiment, the end connector includes two side plates 110 disposed at an interval, the inner and outer ends of the two side plates are connected via a calibration plate a120 and a calibration plate B130, respectively, a middle fixing plate 150 is disposed between the calibration plate a and the calibration plate B, a positioning plate 160 is disposed between the calibration plate a and the middle fixing plate, a joint bearing platform 140 is disposed between the calibration plate B and the middle fixing plate, the end of the positioning plate, and the end of the joint bearing platform are connected to the side plates on the same side, a convex column and a concave column are disposed on the front side of the joint bearing platform, a screw hole 161, a positioning observation hole a162, and a positioning calibration point a163 are disposed in the middle of the positioning plate, the positioning calibration point a is located on the axis connecting line of the screw hole and the positioning observation hole, a positioning rubber rib 7 groove 111 is disposed on the side plates, the positioning rubber rib grooves on the upper and lower side plates are respectively located right in front, the calibration plate A is provided with a positioning observation hole B121 and a positioning calibration point B122, the positioning calibration point B is positioned outside the positioning observation hole B, a connecting line between the positioning calibration point B and the positioning calibration point A is perpendicular to the axis of the positioning observation hole A, the middle fixing plate is provided with a fixing nail hole A151, the calibration plate B is provided with a fixing nail hole B131, and the axis of the shaft nail hole, the positioning observation hole A, the positioning observation hole B, the fixing nail hole A and the fixing nail hole B are coplanar.
In this embodiment, the anti-slip hooks 8 are mounted at the lower ends of the calibration plate a, the middle fixing plate and the calibration plate B, and the effective measurement length of the end connector is a linear distance between the center line of the shaft nail hole and the midpoint of a line connecting centers of the upper pillar portion and the groove portion.
The evasive measurement steps are as follows:
(1) a positioning spool nail 4 is driven into a position close to a certain distance from an obstacle in a measuring range, and a state that a measuring range positioning line 5 is stretched straight is kept;
(2) transversely mounting an end part connecting piece at the position of the positioning spool nail, sleeving a spool nail hole on the mounting end part connecting piece with the positioning spool nail, sleeving a rubber band on the rubber band groove, and moving an end part component to enable the positioning spool nail to just contact the rubber band so as to ensure that the spool nail is positioned on a measurement starting point;
(3) adjusting the end connecting piece left and right to enable the positioning line to cover the positioning calibration point A and the positioning calibration point B at the same time, and driving iron nails into the fixing nail holes A, B respectively after the adjustment is finished so as to fix the end connecting piece on the ground;
(4) connecting a plurality of fixed-length connecting rods in sequence through joints to form a measuring section A with a certain length;
(5) a right-angle adapter is arranged at the other end of the measuring section A;
(6) connecting a plurality of fixed-length connecting rods in sequence through joints to form a measuring section B with the same length as the measuring section A;
(7) connecting one end of the measuring section B with the other end of the right-angle adapter, connecting the other end of the measuring section B with the other end connector, sleeving a rubber band in a rubber band groove of the end connector, and simultaneously driving iron nails into the fixing nail holes A, B respectively to fix the end connector on the ground;
(8) driving a positioning axis nail into the axis nail hole along the edge of the rubber band, straightening, and adjusting the position of the rear positioning line according to the method in the step 3 to simultaneously cover the positioning calibration point A and the positioning calibration point B;
(9) in the counting and measuring process, the sum of the number of the end connecting pieces, the right-angle adapter pieces and the fixed-length connecting rods is multiplied by the actual measuring range of the section of the effective measuring length machine of the right-angle adapter pieces, and then used components are removed and stored.
In step 2, if the adjustment is difficult, the relative position can be observed based on the positioning observation hole A and the positioning observation hole B so as to obtain the position of the end connecting piece; in step 2 or step 7, a viscous material or a rock bolt is used when the ground is hard.
If multiple obstacles exist in the measuring range and the number of the obstacles is large, 1 section of end connecting piece, N1 sections of fixed length connecting rods, 1 section of right-angle adaptor, M1 sections of fixed length connecting rods, 1 section of right-angle adaptor, N2 sections of fixed length connecting rods, 1 section of right-angle adaptor, M2 sections of fixed length connecting rods (and so on, N3/M3/N4/M4 … …) and 1 section of end connecting piece can be adopted. According to the method, the measuring range measurement is realized by winding obstacles in a snake shape, but the following steps are required to be ensured: n1+ N2+ N3 … … equal to M1+ M2+ M3 … … to ensure that the two end members are in line; b. the right-angle adapter needs to be singular; c.N the fixed length connecting rods of the marking section are in the same orientation, and the fixed length connecting rods of the M marking section are in the same orientation.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a can avoid barrier dipperstick which characterized in that: including end connection spare, right angle adaptor, fixed length connecting rod, the right angle adaptor includes the horizontal pole portion, sets up the switching slant, and the contained angle between switching slant and the horizontal pole portion is 135 degrees, and the contained angle between two switching slant in the horizontal pole portion is 90 degrees, all be provided with ability interconnect's joint on the both ends of switching slant, fixed length connecting rod, the end connection spare, the contained angle between the two is 45 degrees after fixed length connecting rod and the end connection spare are connected, and the contained angle between the two is 135 degrees after fixed length connecting rod and the right angle adaptor are connected.
2. The avoidable obstacle measuring scale according to claim 1, wherein: the joint comprises a convex column part and a groove part, wherein the convex column part and the groove part at the end part of the fixed-length connecting rod are spliced with the adjacent convex column part and the adjacent groove part at the end part of the fixed-length connecting rod, the end part of the transfer inclined part or the end part connecting piece.
3. The obstacle-avoidable ruler according to claim 2, wherein: the included angle between the axis connecting line of the convex column part and the concave groove part on the end connecting piece and the horizontal plane is 45 degrees.
4. The obstacle-avoidable ruler according to claim 2, wherein: the effective measurement length of the fixed-length connecting rod is 2 times of the root number of the effective measurement length of the right-angle adapter, and the effective measurement length of the right-angle adapter is the same as that of the end connecting piece.
5. The avoidable obstacle measuring scale of claim 4, wherein: the effective measurement length of the fixed length connecting rod is the linear distance from the center of the convex column part and the groove part on one side of the fixed length connecting rod to the middle point of the circle center connecting line of the convex column part and the groove part on the other side of the fixed length connecting rod, and the effective measurement length of the right-angle adapter is the linear distance from the center of the convex column part and the groove part on one side of the fixed length connecting rod to the middle point of the circle center connecting line of the convex.
6. The obstacle-avoidable ruler according to claim 2, wherein: the fixed length connecting rod is provided with a notch on the upper side of one end and the lower side of the other end, and the convex column part and the concave groove part are arranged on the bottom surface of the notch.
7. The avoidable obstacle measuring scale of claim 4, wherein: the end part connecting piece comprises two side plates which are arranged at intervals, the inner ends and the outer ends of the two side plates are respectively connected through a calibration plate A and a calibration plate B, a middle fixing plate is arranged between the calibration plate A and the middle fixing plate, a positioning plate is arranged between the calibration plate A and the middle fixing plate, a joint bearing platform is arranged between the calibration plate B and the middle fixing plate, the end part of the positioning plate and the end part of the joint bearing platform are connected with the side plates at the same side, a convex column part and a concave part are arranged on the front side surface of the joint bearing platform, a shaft nail hole, a positioning observation hole A and a positioning calibration point A are arranged in the middle of the positioning plate, the positioning calibration point A is positioned on the axis connecting line of the shaft nail hole and the positioning observation hole, positioning rubber rib grooves are arranged on the side plates, the positioning rubber rib grooves are respectively positioned right in front and, the positioning calibration point B is positioned outside the positioning observation hole B, a connecting line between the positioning calibration point B and the positioning calibration point A is perpendicular to the axis line of the positioning observation hole A, a fixing nail hole A is formed in the middle fixing plate, a fixing nail hole B is formed in the calibration plate B, and the axis lines of the shaft nail hole, the positioning observation hole A, the positioning observation hole B, the fixing nail hole A and the fixing nail hole B are coplanar.
8. The avoidable obstacle measuring ruler of claim 7, wherein: the lower ends of the calibration plate A, the middle fixed plate and the calibration plate B are all provided with anti-slip hooks, and the effective measurement length of the end part connecting piece is the linear distance between the central line of the shaft nail hole and the middle point of the circle center connecting line of the upper convex column part and the groove part.
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CN202021026637.5U CN212274777U (en) | 2020-06-08 | 2020-06-08 | Measuring scale capable of avoiding obstacles |
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CN202021026637.5U CN212274777U (en) | 2020-06-08 | 2020-06-08 | Measuring scale capable of avoiding obstacles |
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