CN114440744A - Bridge offset angle measuring device based on plane fitting and utilizing similar triangle principle - Google Patents
Bridge offset angle measuring device based on plane fitting and utilizing similar triangle principle Download PDFInfo
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- CN114440744A CN114440744A CN202210370661.8A CN202210370661A CN114440744A CN 114440744 A CN114440744 A CN 114440744A CN 202210370661 A CN202210370661 A CN 202210370661A CN 114440744 A CN114440744 A CN 114440744A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention relates to the technical field of bridge surveying, in particular to a bridge offset angle measuring device based on the principle of similar triangle for plane fitting. The device comprises a supporting device and a measuring assembly arranged on the top end of the supporting device, wherein the bottom end of a regulating head is rotatably connected with a connecting shaft, a hinge assembly is sleeved on the connecting shaft, and the hinge assembly is of a triangular structure. When the bridge is finished, the bridge balance point is measured by using the measuring device, the balance point is marked, during later-stage measurement, the supporting device is attached to an initial measurement position, the adjusting head is rotated, the laser generator emits laser, when the adjusting head moves to an initial measurement angle, the laser point is observed, when the laser point cannot coincide with the balance point, the bridge is shown to be deviated, the adjusting head continues to move, the laser point coincides with the balance point, the adjusting plate is observed to be located at the position of the arc-shaped measuring plate, the adjusting angle of the adjusting head is measured, the length change of the hinge assembly is observed, the deviation angle of the bridge can be measured by using the principle of similar triangles, and the measuring effect is improved.
Description
Technical Field
The invention relates to the technical field of bridge surveying, in particular to a bridge offset angle measuring device based on the principle of similar triangle for plane fitting.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
The bridge rolls through long-time vehicle, cause influences such as rain wash and building material corrosion, the bridge structure can change thereupon, lead to the bridge angle to take place the skew, so regularly measure the bridge angle and be the important means that the prevention bridge collapses, current bridge skew angle measuring device adopts direct measurement method mostly, need measuring staff to use measuring tool such as tape measure to carry out the fixed point measurement everywhere to the bridge, then contrast according to initial measurement data, reach bridge angle skew result, but the bridge structure is comparatively complicated, and most structure is in unsettled state, the measurement process is very loaded down with trivial details.
Disclosure of Invention
The invention aims to provide a bridge offset angle measuring device based on the principle of similar triangle in plane fitting, which aims to solve the problems in the background technology.
In order to achieve the above object, a bridge offset angle measuring device using the triangle-like principle for plane fitting is provided, which comprises a supporting device and a measuring component installed at the top end of the supporting device, wherein the supporting device at least comprises:
the top ends of two sides of the bottom plate are of an L-shaped structure, the other side of the top end of the bottom plate is provided with a baffle plate, and the middle position of the side surface of the baffle plate is provided with a screw hole;
the sliding plate is arranged at the top end of the bottom plate, and two sides of the sliding plate are respectively connected with two sides of the top end of the bottom plate in a sliding manner;
the screw rod is connected with the side face of the sliding plate, penetrates through the baffle and is in threaded connection with the baffle;
the measuring assembly comprises at least:
the measuring device comprises an arc-shaped measuring plate, scale marks are arranged on two sides of the arc-shaped measuring plate, T-shaped supporting blocks are arranged at the bottom ends of two sides of the arc-shaped measuring plate, and the two T-shaped supporting blocks are respectively connected and fixedly connected with the top end of the sliding plate;
the laser measuring device comprises an adjusting head, a laser emitter, clamping plates and a connecting shaft, wherein a cavity is formed in the inner end of the adjusting head, the cross section size of the cavity is matched with that of the arc measuring plate, the adjusting head is connected with the outer side of the arc measuring plate in a sliding mode, the laser emitter is arranged on one side of the adjusting head, the clamping plates are arranged on two sides of the bottom end of the adjusting head, and the connecting shaft is rotatably connected between the two clamping plates;
the hinge assembly comprises a first loop bar, a first inner bar is matched with the top end of the first loop bar in a telescopic mode, a scale mark is arranged on one side of the first inner bar, the top end of the first inner bar is rotationally connected with the connecting shaft, the hinge assembly further comprises a second loop bar, a second inner bar is matched with the top end of the second loop bar in a telescopic mode, the scale mark is arranged on one side of the second inner bar, an opening is formed in the top end of the second inner bar, the inner end of the opening is in sleeve fit with the two sides of the top end of the first inner bar, the top end of the first inner bar is rotationally connected with the connecting shaft, support plates are rotationally connected to the second loop bar and the bottom end of the first loop bar, measuring rings are arranged on the two sides of the support plates, the scale mark is arranged on the side faces of the measuring rings, bottom ends of the two support plates are respectively provided with a bottom block, and the measuring rings are fixed at the top end positions of the bottom blocks, the bottom ends of the two bottom blocks are fixedly connected with the positions, close to the edges, of the two sides of the top end of the sliding plate respectively.
As a further improvement of the technical scheme, the inner ends of the two sides of the top end of the bottom plate are provided with sliding grooves, the upper end and the lower end of the two sides of the top end of the sliding plate are provided with a plurality of balls, the balls are in rolling connection with the sliding plate, and the balls are in sliding connection with the sliding grooves.
As a further improvement of the technical scheme, side plates are arranged on two sides of the top end of the bottom plate, side grooves are formed in the side faces of the side plates, side blocks are arranged on the side faces of the T-shaped supporting blocks, and the side faces of the side blocks are connected with the side grooves in a sliding mode.
As a further improvement of the technical scheme, a limiting spring is arranged at the inner end of the side groove, and one side of the limiting spring is connected with the tail end of the inner side of the side groove.
As a further improvement of the technical scheme, an arc groove is formed in the top end of the arc measuring plate, a plurality of U-shaped rods are arranged at the inner end of the cavity of the adjusting head, the bottom ends of the U-shaped rods are rotatably connected with idler wheels, and the idler wheels are movably connected with the inner end of the arc groove.
As a further improvement of the technical scheme, heart-shaped grooves are formed in two sides of the adjusting head and penetrate through the two sides of the adjusting head respectively.
As a further improvement of the technical scheme, the top end of the adjusting head is provided with a holding rod, the outer side of the holding rod is provided with a ring groove, and the top end of the adjusting head is provided with a ball body.
As a further improvement of the technical scheme, the connecting shaft both sides all are provided with the external screw thread, the equal threaded connection in connecting shaft both sides has the ring cover, the ring cover outside is provided with a plurality of outer poles, outer pole is U type structure, the go-between has been cup jointed to the ring cover side, the go-between side is provided with a plurality of inserted bars, each the inserted bar is the array and arranges, a plurality of jacks have all been seted up to the pole top both sides in the second, each the jack is the array and arranges, the jack with the cooperation of pegging graft of inserted bar, the jack with the cooperation of pegging graft of pole top side in the first.
As a further improvement of the technical scheme, the side face of the bottom end of the first sleeve rod is coaxially connected with a pointer plate, and the tail end of the pointer plate is of a triangular structure.
As a further improvement of the technical scheme, a connecting plate is connected between the two support plates, and a triangular structure is formed among the connecting plate, the second sleeve rod and the first sleeve rod.
Compared with the prior art, the invention has the beneficial effects that:
1. this plane laminating utilizes similar triangle-shaped principle bridge skew angle measuring device, when the bridge was accomplished, utilize measuring device to measure the bridge balance point, and mark the balance point, during later stage measurement, laminate strutting arrangement at initial measurement position, rotate the regulation head, laser generator launches laser, when adjusting the head and moving to initial measurement angle, observe the laser point, can't coincide with the balance point when the laser point, then show the bridge skew appears, continue to remove the regulation head, the laser point coincides with the balance point, observe the regulating plate and be located arc measuring plate position, measure regulation head angle, observe the hinge subassembly length change, utilize similar triangle-shaped principle can measure the bridge skew angle, improve measuring effect.
2. In the bridge deviation angle measuring device adopting the similar triangle principle for plane attachment, the connecting points between the arc measuring plate and the bottom plate are increased through the side plates and the side blocks which are arranged, the gravity center of the arc measuring plate is adjusted, and the stability of the arc measuring plate is improved.
3. This plane laminating utilizes among similar triangle-shaped principle bridge skew angle measuring device, can observe arc measurement board outside scale reading through heart type groove, in adjusting the head slip process, because it is great to adjust head coverage area, when reading arc measurement board side scale reading, shelter from the scale reading that the inner central point of regulation head put the correspondence very easily, cause measuring error, can provide observation point of survey crew this moment through heart type groove, heart type inslot end is provided with the lug simultaneously, the lug is the triangular structure, the apex angle can point to arc measurement board scale mark just, further improve scale degree reading efficiency.
4. In this plane laminating utilized similar triangle-shaped principle bridge skew angle measuring device, indirectly drive the regulation head through the slip holding rod and carry out position control, the annular that the holding rod outside set up simultaneously can increase the rough degree in the holding rod outside, avoids appearing skidding between the holding rod outside and the measuring staff hand, improves regulation head slip efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a supporting device according to embodiment 1 of the present invention;
FIG. 3 is a sectional view of a bottom plate structure according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a slide board according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram of a measurement assembly according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of an arc-shaped measuring plate according to embodiment 1 of the present invention;
FIG. 7 is a disassembled view of an adjusting head structure in embodiment 1 of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7A in accordance with embodiment 1 of the present invention;
FIG. 9 is an enlarged view of a portion of the portion B in FIG. 7 in accordance with embodiment 1 of the present invention;
fig. 10 is a schematic structural view of a hinge assembly according to embodiment 1 of the present invention;
fig. 11 is a partially enlarged view of fig. 10 at C in embodiment 1 of the present invention.
The various reference numbers in the figures mean:
10. a support device; 110. a base plate; 111. a baffle plate; 112. a chute; 113. a side plate; 1131. a side groove; 1132. a limiting spring; 120. a slide plate; 121. a ball bearing; 130. a screw rod;
20. a measurement assembly; 210. an arc-shaped measuring plate; 211. a T-shaped support block; 212. an arc groove; 213. a side block; 220. an adjustment head; 221. a laser transmitter; 222. a splint; 223. a connecting shaft; 2231. an external thread; 224. a heart-shaped groove; 225. a holding rod; 226. a U-shaped rod; 227. a roller; 228. sleeving a ring; 2281. an outer rod; 229. a connecting ring; 2291. inserting a rod; 230. a hinge assembly; 231. a first loop bar; 232. a first inner bar; 233. a second loop bar; 234. a second inner bar; 2341. a jack; 235. a measuring ring; 236. a pointer plate; 237. a bottom block; 238. a connecting plate.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 11, a bridge offset angle measuring apparatus using triangle-like principle for plane fitting is provided, which includes a supporting device 10 and a measuring component 20 installed on the top of the supporting device 10, wherein the supporting device 10 at least includes:
the bottom plate 110 is of an L-shaped structure at the top ends of the two sides of the bottom plate 110, a baffle plate 111 is arranged at the other side of the top end of the bottom plate 110, and a screw hole is formed in the middle of the side surface of the baffle plate 111;
the sliding plate 120 is arranged at the top end of the bottom plate 110, and two sides of the sliding plate 120 are respectively connected with two sides of the top end of the bottom plate 110 in a sliding manner;
the screw rod 130, the screw rod 130 is connected with the side of the slide plate 120, the screw rod 130 runs through the baffle 111, and keeps threaded connection with the baffle 111;
the measuring assembly 20 comprises at least:
the measuring device comprises an arc-shaped measuring plate 210, scale marks are arranged on two sides of the arc-shaped measuring plate 210, T-shaped supporting blocks 211 are arranged at the bottom ends of two sides of the arc-shaped measuring plate 210, and the two T-shaped supporting blocks 211 are respectively connected and fixedly connected with the top end of a sliding plate 120;
the inner end of the adjusting head 220 is provided with a cavity, the section size of the cavity is kept to be matched with that of the arc measuring plate 210, the adjusting head 220 is connected with the outer side of the arc measuring plate 210 in a sliding mode, one side of the adjusting head 220 is provided with a laser emitter 221, two sides of the bottom end of the adjusting head 220 are provided with clamping plates 222, and a connecting shaft 223 is rotatably connected between the two clamping plates 222;
hinge assembly 230, hinge assembly 230 includes first loop bar 231, first loop bar 231 top telescopic cooperation has first interior pole 232, first interior pole 232 one side is provided with the scale mark, first interior pole 232 top rotates with connecting axle 223 to be connected, hinge assembly 230 still includes second loop bar 233, second loop bar 233 top telescopic cooperation has interior pole 234 of second, pole 234 one side is provided with the scale mark in the second, the pole 234 top is provided with the opening in the second, the cooperation is cup jointed to opening inner and first interior pole 232 top both sides, first interior pole 232 top rotates with connecting axle 223 to be connected, second loop bar 233 and first loop bar 231 bottom all rotate and are connected with the extension board, two extension board both sides all are provided with measures ring 235, measure ring 235 side and be provided with the scale mark, two extension board bottoms all are provided with bottom block 237, measure ring 235 and fix at bottom block 237 top position, two bottom block 237 bottom are close to position border fixed connection with slide 120 top both sides respectively.
When the bridge balance point measuring device is used, after a bridge is finished, a bridge balance point is measured by using the measuring device and is marked, during later measurement, the bottom end of the bottom plate 110 is firstly attached to an initial measuring position, the laser emitter 221 is opened, the laser emitter 221 can emit laser along the horizontal direction, the screw rod 130 is rotated, the screw rod 130 drives the measuring component 20 to horizontally slide along the top end of the bottom plate 110 until the laser emitted by the laser emitter 221 can be displayed in a measuring position area, the adjusting head 220 is slid along the arc-shaped measuring plate 210 to enable the adjusting head 220 to do circular motion, the scale reading on the side surface of the arc-shaped measuring plate 210 is observed, when the adjusting head 220 moves to the initial angle, the laser point is observed, when the laser point is overlapped with the balance point, the bridge is not subjected to angular deviation, when the laser point cannot be overlapped with the balance point, the bridge position is subjected to deviation, the adjusting head 220 is continuously slid along the outer side of the arc-shaped measuring plate 210 to drive the first inner rod 232 and the second inner rod 234 to do hinge motion, the first inner rod 232 rotates along with the connecting shaft 223, the angle of the first loop bar 231 changes, meanwhile, the first inner rod 232 slowly extends out or extends into the inner end of the first loop bar 231, the second inner rod 234 rotates along with the connecting shaft 223, the angle of the second loop bar 233 changes, the second inner rod 234 slowly extends out or extends into the inner end of the second loop bar 233 to observe the change of the laser point, when the laser point is overlapped with the balance point, the sliding of the adjusting head 220 is stopped, the scale reading of the arc-shaped measuring plate 210 is observed at the moment, the offset angle of the adjusting head 220 is measured, meanwhile, the angle offset of the first loop bar 231 and the angle offset of the second loop bar 233 are measured by using the scale reading of the side surface of the second inner rod 234, the extension length of the first inner rod 232 is measured by using the scale reading of the side surface of the first inner rod 232, the offset angle of the bridge can be measured by utilizing the similar triangle principle.
In addition, the inner ends of both sides of the top end of the bottom plate 110 are both provided with a sliding chute 112, the upper and lower ends of both sides of the top end of the sliding plate 120 are both provided with a plurality of balls 121, the balls 121 are connected with the sliding plate 120 in a rolling manner, and the balls 121 are connected with the sliding chute 112 in a sliding manner. During specific use, the sliding plate 120 slides along the two sides of the top end of the bottom plate 110, because the contact area between the bottom end of the sliding plate 120 and the top end of the bottom plate 110 is large, the friction force generated between the bottom end of the sliding plate 120 and the top end of the bottom plate 110 is increased, the sliding resistance of the sliding plate 120 is increased, at the moment, a great deal of energy needs to be consumed to overcome the sliding resistance to drive the screw rod 130 to rotate, the contact area between the sliding plate 120 and the bottom plate 110 is reduced through the arranged ball 121, the rest parts of the sliding plate 120 are in a suspended state, the sliding efficiency of the sliding plate 120 is indirectly improved, and the energy consumed in the process of rotating the screw rod 130 is reduced.
Further, both sides of the top end of the bottom plate 110 are provided with side plates 113, side grooves 1131 are formed in the side surfaces of the side plates 113, side blocks 213 are arranged on the side surfaces of the T-shaped support blocks 211, and the side surfaces of the side blocks 213 are slidably connected with the side grooves 1131. The arc measures board 210 in the slip in-process, because highly be higher than bottom plate 110, the focus is unstable, position shift appears very easily, leads to the arc to measure board 210 atress and buckles, appears the damage, influences later stage measuring result, increases the arc through the curb plate 113 and the side piece 213 that set up and measures the tie point between board 210 and the bottom plate 110, measures the focus of board 210 with the arc and adjusts, improves arc and measures board 210 stability.
Still further, the inner end of the side groove 1131 is provided with a limit spring 1132, and one side of the limit spring 1132 is connected with the inner end of the side groove 1131. Limit spring 1132 through the setting is injectd the side piece 213 sliding position, side piece 213 position removes the in-process, it is excessive to slide very easily, lead to side piece 213 side and the inner emergence contact of side groove 1131, long-term so, wearing and tearing can appear in the side piece 213, influence side piece 213 life, after side groove 1131 inner sets up limit spring 1132, side piece 213 slides along side groove 1131 inner, can contact the limit spring 1132 other end at first, extrude limit spring 1132, make its shrink, when limit spring 1132 is in the maximum compression limit, the surface side piece 213 can't continue to slide this moment, indirect separation side piece 213 and side groove 1131.
Specifically, the top end of the arc measuring plate 210 is provided with an arc groove 212, the inner end of the cavity of the adjusting head 220 is provided with a plurality of U-shaped rods 226, the bottom ends of the U-shaped rods 226 are rotatably connected with rollers 227, and the rollers 227 are movably connected with the inner end of the arc groove 212. During the specific use, adjust the head 220 and measure the board 210 outside along the arc and carry out the slip in-process, each gyro wheel 227 rolls along arc groove 212 inner, and it is the sliding friction to produce the static friction to change into between the board 210 outside to adjust head 220 and arc this moment, further reduces the sliding resistance that produces between the two, improves and adjusts head 220 slip efficiency, alleviates survey crew work load.
In addition, the two sides of the adjusting head 220 are both provided with heart-shaped grooves 224, and the two heart-shaped grooves 224 respectively penetrate through the two sides of the adjusting head 220. Can observe the arc through heart type groove 224 and measure board 210 outside scale reading, in the process of adjusting the slip of head 220, because it is great to adjust head 220 area of coverage, when reading arc and measure board 210 side scale reading, shelter from the scale reading that the inner central point of adjusting head 220 corresponds very easily, cause measuring error, can provide an observation point of survey crew this moment through heart type groove 224, heart type groove 224 the inner is provided with the lug simultaneously, the lug is the triangular structure, the apex angle can point to arc measurement board 210 scale mark just, further improve the number of graduations and read efficiency.
Further, a holding rod 225 is arranged at the top end of the adjusting head 220, a ring groove is formed in the outer side of the holding rod 225, and a ball body is arranged at the top end of the adjusting head 220. Because it is square structure to adjust the first 220 outside, in the slip in-process, hardly find the point of application of force, it is comparatively sharp-pointed to adjust first 220 border position simultaneously, survey crew holds the in-process very easily by its fish tail, the holding rod 225 through setting up provides a point of application of force of survey crew this moment, accessible slip holding rod 225 indirectly drives and adjusts head 220 and carry out position control, the annular that the holding rod 225 outside set up can increase the rough degree in the holding rod 225 outside simultaneously, avoid appearing skidding between the holding rod 225 outside and the survey crew hand, improve regulation head 220 slip efficiency.
Still further, connecting axle 223 both sides all are provided with external screw thread 2231, the equal threaded connection in connecting axle 223 both sides has ring cover 228, the ring cover 228 outside is provided with a plurality of outer poles 2281, outer pole 2281 is U type structure, the go-between ring 229 has been cup jointed to the ring cover 228 side, the go-between ring 229 side is provided with a plurality of inserted bars 2291, each inserted bar 2291 is the array and arranges, a plurality of jacks 2341 have all been seted up to 234 top both sides in the second, each jack 2341 is the array and arranges, the cooperation of pegging graft of jack 2341 and inserted bar 2291, the cooperation of pegging graft of jack 2341 and the first interior pole 232 top side of pole. During specific use, when measurement point and balance point coincide, need to take notes multinomial data simultaneously, need the measurement personnel to fix a plurality of positions simultaneously, the process is comparatively loaded down with trivial details, and need a plurality of measurement personnel concurrent operation, play interim fixed action through ring cover 228 and the inserted bar 2291 that sets up, after the measurement is accomplished, when needing to carry out data logging, rotatable two ring covers 228, ring cover 228 drives go-between 229 along the horizontal antedisplacement of connecting axle 223, make each inserted bar 2291 insert corresponding jack 2341, insert first interior pole 232 top side simultaneously, fix first interior pole 232 and first sleeve 231, measurement personnel only need observe the record data this moment, need not manual fixed, can reduce the deviation that appears in the record data process simultaneously.
In addition, the side surface of the bottom end of the first sleeve rod 231 is coaxially connected with a pointer plate 236, and the tail end of the pointer plate 236 is in a triangular structure. When the device is used specifically, an observation point can be provided for a measurer through the arranged pointer plate 236, the measurer can measure the offset angles of the first loop bar 231 and the second loop bar 233 by observing the direction of the pointer plate 236, the measurement accuracy is further improved, and meanwhile, the data observation efficiency can be improved.
In addition, a connecting plate 238 is connected between the two supporting plates, and a triangular structure is formed between the connecting plate 238 and the second sleeve rod 233 and the first sleeve rod 231. The connecting plate 238 is arranged to improve the stability of the connection between the first bar 231 and the second bar 233, and to ensure that the first bar 231 and the second bar 233 maintain a relatively static state during the measurement process.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a plane laminating utilizes similar triangle-shaped principle bridge skew angle measuring device, includes strutting arrangement (10) and installs measurement element (20) at strutting arrangement (10) top, its characterized in that: the support device (10) comprises at least:
the top ends of two sides of the bottom plate (110) are of an L-shaped structure, the other side of the top end of the bottom plate (110) is provided with a baffle (111), and the middle position of the side surface of the baffle (111) is provided with a screw hole;
the sliding plate (120) is arranged at the top end of the bottom plate (110), and two sides of the sliding plate (120) are respectively connected with two sides of the top end of the bottom plate (110) in a sliding manner;
the screw rod (130), the screw rod (130) is connected with the side surface of the sliding plate (120), the screw rod (130) penetrates through the baffle (111) and is in threaded connection with the baffle (111);
the measuring assembly (20) comprises at least:
the measuring device comprises an arc-shaped measuring plate (210), scale marks are arranged on two sides of the arc-shaped measuring plate (210), T-shaped supporting blocks (211) are arranged at the bottom ends of the two sides of the arc-shaped measuring plate (210), and the two T-shaped supporting blocks (211) are respectively connected and fixedly connected with the top end of the sliding plate (120);
the laser measuring device comprises an adjusting head (220), wherein a cavity is formed in the inner end of the adjusting head (220), the cross section size of the cavity is kept matched with that of the arc measuring plate (210), the adjusting head (220) is connected with the outer side of the arc measuring plate (210) in a sliding mode, a laser emitter (221) is arranged on one side of the adjusting head (220), clamping plates (222) are arranged on two sides of the bottom end of the adjusting head (220), and a connecting shaft (223) is rotatably connected between the two clamping plates (222);
the hinge assembly (230) comprises a first loop bar (231), a first inner bar (232) is arranged at the top end of the first loop bar (231) in a telescopic matching mode, a scale mark is arranged on one side of the first inner bar (232), the top end of the first inner bar (232) is rotatably connected with the connecting shaft (223), the hinge assembly (230) further comprises a second loop bar (233), a second inner bar (234) is arranged at the top end of the second loop bar (233) in a telescopic matching mode, the scale mark is arranged on one side of the second inner bar (234), an opening is formed in the top end of the second inner bar (234), the inner end of the opening is in sleeve matching with two sides of the top end of the first inner bar (232), the top end of the first inner bar (232) is rotatably connected with the connecting shaft (223), support plates are rotatably connected with the bottom ends of the second loop bar (233) and the first loop bar (231), and measuring rings (235) are arranged on two sides of the support plates, the side surface of the measuring ring (235) is provided with scale marks, the bottom ends of the two support plates are provided with bottom blocks (237), the measuring ring (235) is fixed at the top end of each bottom block (237), and the bottom ends of the two bottom blocks (237) are fixedly connected with the positions, close to the edges, of the two sides of the top end of the sliding plate (120) respectively.
2. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: the inner ends of two sides of the top end of the bottom plate (110) are respectively provided with a sliding groove (112), the upper end and the lower end of two sides of the top end of the sliding plate (120) are respectively provided with a plurality of balls (121), the balls (121) are in rolling connection with the sliding plate (120), and the balls (121) are in sliding connection with the sliding grooves (112).
3. The bridge offset angle measuring device according to claim 2, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: bottom plate (110) top both sides all are provided with curb plate (113), side groove (1131) have been seted up to curb plate (113) side, T type props up piece (211) side and is provided with side piece (213), side piece (213) side with side groove (1131) sliding connection.
4. The bridge offset angle measuring device according to claim 3, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: the inner of side groove (1131) is provided with spacing spring (1132), spacing spring (1132) one side with the inboard end connection of side groove (1131).
5. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: arc groove (212) have been seted up to arc measuring plate (210) top, adjust head (220) cavity inner and be provided with a plurality of U type poles (226), U type pole (226) bottom is rotated and is connected with gyro wheel (227), gyro wheel (227) with arc groove (212) inner swing joint.
6. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: the two sides of the adjusting head (220) are provided with heart-shaped grooves (224), and the two heart-shaped grooves (224) respectively penetrate through the two sides of the adjusting head (220).
7. The bridge offset angle measuring device according to claim 6, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: adjust head (220) top and be provided with holding rod (225), the annular has been seted up in holding rod (225) outside, it is provided with the spheroid to adjust head (220) top.
8. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: connecting axle (223) both sides all are provided with external screw thread (2231), the equal threaded connection in connecting axle (223) both sides has ring cover (228), ring cover (228) outside is provided with a plurality of outer poles (2281), outer pole (2281) are U type structure, ring cover (228) side has cup jointed go-between (229), go-between (229) side is provided with a plurality of inserted bars (2291), each inserted bar (2291) is the array and arranges, a plurality of jacks (2341) have all been seted up to pole (234) top both sides in the second, each jack (2341) are the array and arrange, jack (2341) with the cooperation of pegging graft of inserted bar (2291), jack (2341) with the cooperation of pegging graft of first interior pole (232) top side.
9. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: the side surface of the bottom end of the first loop bar (231) is coaxially connected with a pointer plate (236), and the tail end of the pointer plate (236) is of a triangular structure.
10. The bridge offset angle measuring device according to claim 1, wherein the bridge offset angle measuring device is based on the principle of similar triangle, and comprises: a connecting plate (238) is connected between the two support plates, and a triangular structure is formed among the connecting plate (238), the second loop bar (233) and the first loop bar (231).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210370661.8A CN114440744A (en) | 2022-04-11 | 2022-04-11 | Bridge offset angle measuring device based on plane fitting and utilizing similar triangle principle |
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| CN202210370661.8A CN114440744A (en) | 2022-04-11 | 2022-04-11 | Bridge offset angle measuring device based on plane fitting and utilizing similar triangle principle |
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