CN114705100A - High range finding wheel of stability - Google Patents
High range finding wheel of stability Download PDFInfo
- Publication number
- CN114705100A CN114705100A CN202210372379.3A CN202210372379A CN114705100A CN 114705100 A CN114705100 A CN 114705100A CN 202210372379 A CN202210372379 A CN 202210372379A CN 114705100 A CN114705100 A CN 114705100A
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- China
- Prior art keywords
- wheel
- additional
- driving shaft
- additional plate
- rotatably connected
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0009—Guiding surfaces; Arrangements compensating for non-linearity there-of
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- B08B1/12—
-
- B08B1/32—
-
- G—PHYSICS
- 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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a high-stability distance measuring wheel which comprises a supporting rod, wherein one end of the supporting rod is fixedly connected with a handle, the other end of the supporting rod is rotatably connected with a driving shaft, the outer wall of the driving shaft is rotatably connected with a rotating wheel, a counter is further arranged on the supporting rod, the outer wall of the driving shaft is rotatably connected with an additional plate, a force storage device is arranged on the driving shaft, the additional plate is rotatably connected with an additional wheel, the rotating wheel is connected with a hairbrush through a transmission device, and a fixing assembly is further arranged on the supporting rod. According to the invention, the additional plate is rotated and is close to the ground, so that the additional wheel and the rotating wheel are in the same straight line during measurement, and the additional wheel is always subjected to a downward acting force by utilizing the action of the force accumulation device on the additional plate, so that the additional wheel is firmly contacted with the ground, the rotating wheel can linearly run along a set path when being pushed, the problem that the rotating wheel is easy to generate angle deflection during independent measurement is solved, and the effect of reducing measurement errors is further achieved.
Description
Technical Field
The invention relates to the technical field of surveying and mapping equipment, in particular to a high-stability distance measuring wheel.
Background
The distance measuring wheel is also called a mechanical distance measuring vehicle, and is widely used for measuring and evaluating construction operations such as professional surveying and mapping operation, road engineering, pipeline laying engineering, wire and cable engineering and the like.
The existing distance measuring wheel is manually supported by a measurer when measuring the required distance and length, and the distance measuring wheel is pushed at a uniform speed, wherein a counter on the wheel can display a corresponding numerical value every time the wheel rotates for a circle, and finally the number of circles is multiplied by the circumference of the wheel to obtain the length of the measured distance.
Therefore, this application provides a range finding wheel that stability is high.
Disclosure of Invention
The invention aims to solve the problem that a numerical value with a large error is measured in the actual measuring process by using a distance measuring wheel, and provides the distance measuring wheel with high stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high range finding wheel of stability, includes the bracing piece, the one end fixedly connected with handle of bracing piece, the other end rotates and is connected with the driving shaft, driving shaft outer wall rotates and is connected with and rotates the wheel, still be provided with on the bracing piece and be used for the measurement to rotate the counter that the wheel rotated the number of turns, the outer wall of driving shaft rotates and is connected with the additional board, be provided with on the driving shaft and hold the power device, hold the power device and can apply the effort that accumulates on the additional board, the additional board rotates and is connected with the additional wheel, the diameter of additional wheel is unanimous with the diameter that rotates the wheel, it is connected with the brush of cleaning usefulness through transmission to rotate the wheel, still be provided with fixed subassembly on the bracing piece, fixed subassembly is used for injecing the position of additional board.
Preferably, hold power device and include a plurality of limiting plates of tip fixedly connected with who keeps away from the bracing piece with the driving shaft, it is a plurality of the limiting plate is circumference equidistance on the driving shaft and arranges, the slip ring has been cup jointed on the driving shaft outer wall, set up the spacing groove unanimous with limiting plate adaptation and quantity on the slip ring, driving shaft outer wall cover is equipped with the torsional spring, the both ends of torsional spring are connected with slip ring and additional board respectively.
Preferably, fixed cover has connect solid fixed ring on the slip ring outer wall, fixedly connected with drum on one side that the additional plate corresponds with solid fixed ring, drum inner wall sliding connection has the round bar, the one end that the drum was kept away from to the round bar is the arc setting, and this tip and fixed ring contact, be provided with reset spring in the drum, reset spring's both ends are connected with drum and round bar respectively.
Preferably, transmission includes and rotates with the additional plate and is connected with first driven shaft, the one end and the additional wheel fixed connection of first driven shaft, the fixed cover of the other end have connect first drive gear, the additional plate rotates and is connected with the second driven shaft, the fixed cover of one end of second driven shaft has connect second drive gear, first drive gear is connected with the meshing of second drive gear, and the diameter of first drive gear is greater than the diameter of second drive gear.
Preferably, the fixed cover of the tip that second drive gear was kept away from to the second driven shaft has first bevel gear, additional board fixedly connected with backup pad, the backup pad rotates and is connected with the axis of rotation, the axis of rotation is close to the fixed cover of the tip of first bevel gear and has been connected with the second bevel gear meshing, the other end fixedly connected with disc of axis of rotation, the brush setting is kept away from on one side of second bevel gear at the disc.
Preferably, the fixed subassembly is including seting up the thread groove on the bracing piece, thread groove threaded connection has the threaded rod, the one end fixedly connected with knob of threaded rod, set up the slotted hole that corresponds with the threaded rod on the first driven shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the additional plate is rotated and is close to the ground, so that the additional wheel and the rotating wheel are in the same straight line during measurement, and the additional wheel is always subjected to a downward acting force by utilizing the action of the force accumulation device on the additional plate, so that the additional wheel is firmly contacted with the ground, the rotating wheel can linearly run along a set path when being pushed, the problem that the rotating wheel is easy to generate angle deflection during independent measurement is solved, and the effect of reducing measurement errors is further achieved.
2. The force storage device can determine the magnitude of acting force applied to the additional plate through the number of turns of the rotating sliding ring, when a measurer with a higher height uses the force storage device, namely the deviation angle between the handle and the ground is larger, the additional wheel can be firmly contacted with the ground by applying smaller acting force, when a measurer with a lower height uses the force storage device, namely the deviation angle between the handle and the ground is smaller, the additional wheel can be firmly contacted with the ground by applying larger acting force, so that the measurer can adjust the force storage device according to specific conditions to meet measuring requirements, the use and operation of the measurer are facilitated, and the use experience of the measurer is improved.
3. According to the invention, when the rotating wheel is pushed, the additional wheel can be driven to synchronously rotate, so that the rotating shaft is driven to rotate, the hairbrush is driven to rotate, the measuring path and the gravel near the measuring path are cleaned to a place far away from the additional wheel, the gravel or other obstacles on the measuring path are prevented from influencing the measurement, and the error in the measuring process is reduced.
4. According to the invention, through the arrangement of the threaded rod and the slotted hole, when the measuring instrument is not used, the additional plate can be rotated to be close to the supporting rod, the threaded rod is rotated to enable the threaded rod to enter the slotted hole in the first driven shaft, and at the moment, the additional plate is limited, so that the measuring instrument is convenient to carry and transport.
Drawings
Fig. 1 is a schematic perspective view of a folding state of a highly stable distance measuring wheel according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of a connection structure between an additional plate and a brush in a highly stable distance measuring wheel according to the present invention;
FIG. 4 is a schematic structural diagram of a cylinder, a round rod and a return spring in the high-stability distance measuring wheel according to the present invention;
fig. 5 is a schematic perspective view of a high-stability distance measuring wheel according to the present invention in a use state.
In the figure: 1. a support bar; 2. a handle; 3. a drive shaft; 4. a rotating wheel; 5. an additional plate; 6. an additional wheel; 7. a brush; 8. a limiting plate; 9. a slip ring; 10. a limiting groove; 11. a torsion spring; 12. a fixing ring; 13. a cylinder; 14. a round bar; 15. a return spring; 16. a first driven shaft; 17. a first drive gear; 18. a second driven shaft; 19. a second transmission gear; 20. a first bevel gear; 21. a support plate; 22. a rotating shaft; 23. a second bevel gear; 24. a disc; 25. a threaded rod.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-5, a high-stability distance measuring wheel comprises a support rod 1, wherein one end of the support rod 1 is fixedly connected with a handle 2, the other end of the support rod is rotatably connected with a driving shaft 3, the outer wall of the driving shaft 3 is rotatably connected with a rotating wheel 4, the support rod 1 is also provided with a counter used for measuring the number of rotating turns of the rotating wheel 4, the outer wall of the driving shaft 3 is rotatably connected with an additional plate 5, the driving shaft 3 is provided with a force storage device, the force storage device can apply accumulated acting force on the additional plate 5, the additional plate 5 is rotatably connected with an additional wheel 6, the diameter of the additional wheel 6 is consistent with that of the rotating wheel 4, the rotating wheel 4 is connected with a brush 7 for cleaning through a transmission device, the support rod 1 is also provided with a fixing assembly, and the fixing assembly is used for limiting the direction of the additional plate 5.
Referring to fig. 1, the brush 7 is in the shape of a circular truncated cone, so that the obstacles such as gravel on the measuring path and near the measuring path can be conveniently swept aside, the influence of the obstacles on the rolling of the additional wheel 6 and the rotating wheel 4 can be reduced, and the error value of the measuring instrument during measuring on the actual road condition can be further reduced.
Further, hold power device and include a plurality of limiting plates 8 of tip fixedly connected with that keep away from bracing piece 1 with driving shaft 3, a plurality of limiting plates 8 are the circumference equidistance on driving shaft 3 and arrange, have cup jointed slip ring 9 on the 3 outer walls of driving shaft, set up on the slip ring 9 with 8 adaptations of limiting plate and quantity unanimous spacing groove 10, 3 outer wall covers of driving shaft are equipped with torsional spring 11, torsional spring 11's both ends are connected with slip ring 9 and additional plate 5 respectively.
Referring to fig. 2, the limiting grooves 10 do not extend through the entire slide ring 9, so that the limiting plate 8 can abut against the slide ring 9 through the corresponding limiting grooves 10.
Furthermore, the outer wall of the sliding ring 9 is fixedly sleeved with a fixing ring 12, one side of the additional plate 5 corresponding to the fixing ring 12 is fixedly connected with a cylinder 13, the inner wall of the cylinder 13 is slidably connected with a round rod 14, one end, far away from the cylinder 13, of the round rod 14 is arranged in an arc shape, the end portion of the round rod is in contact with the fixing ring 12, a return spring 15 is arranged in the cylinder 13, and two ends of the return spring 15 are respectively connected with the cylinder 13 and the round rod 14.
Referring to fig. 4, the return spring 15 is always in a compressed state, so that the return spring 15 always applies an elastic force to the round rod 14, and the sliding ring 9 always receives an acting force through conduction of the fixing ring 12, and the acting force enables the sliding ring 9 to always abut against the limiting plate 8 without being affected by other external forces;
when the auxiliary plate is used, namely when the torsion spring 11 starts to accumulate force, the sliding ring 9 is pushed to the direction close to the auxiliary plate 5 until the limiting groove 10 on the sliding ring 9 is separated from the limiting plate 8, the sliding ring 9 rotates to the position where the torsion spring 11 accumulates force, the sliding ring 9 rotates according to the actual supporting condition of a measurer, the torsion spring 11 keeps the sliding ring 9 not rotating after accumulating force and moves towards the direction of the limiting plate 8, and the auxiliary plate 5 can also receive the acting force of the torsion spring 11 on the auxiliary plate 5 until the limiting groove 10 on the sliding ring 9 is clamped with the limiting plate 8 again.
Further, the transmission device comprises a first driven shaft 16 which is connected with the additional plate 5 in a rotating mode, one end of the first driven shaft 16 is fixedly connected with the additional wheel 6, the other end of the first driven shaft is fixedly sleeved with a first transmission gear 17, the additional plate 5 is connected with a second driven shaft 18 in a rotating mode, one end of the second driven shaft 18 is fixedly sleeved with a second transmission gear 19, the first transmission gear 17 is meshed with the second transmission gear 19, and the diameter of the first transmission gear 17 is larger than that of the second transmission gear 19.
Referring to fig. 5, the first transmission gear 17 is meshed with the second transmission gear 19, so that when the additional wheel 6 rolls, the first transmission gear 17 is driven to rotate, and further the second transmission gear 19 is driven to rotate in the opposite direction, and meanwhile, the diameter of the first transmission gear 17 is greater than that of the second transmission gear 19, so that the rotating speed of the second transmission gear 19 is greater than that of the first transmission gear 17;
it should be noted that the diameter of the first transmission gear 17 is smaller than the diameter of the additional wheel 6, so as to prevent the first transmission gear 17 from obstructing the rolling of the additional wheel 6 and the rotating wheel 4 when the measurer is measuring.
Further, a first bevel gear 20 is fixedly sleeved on the end portion, far away from the second transmission gear 19, of the second driven shaft 18, a supporting plate 21 is fixedly connected to the additional plate 5, a rotating shaft 22 is rotatably connected to the supporting plate 21, a second bevel gear 23 is fixedly sleeved on the end portion, close to the first bevel gear 20, of the rotating shaft 22, the first bevel gear 20 is meshed with the second bevel gear 23, a disc 24 is fixedly connected to the other end of the rotating shaft 22, and the brush 7 is arranged on one side, far away from the second bevel gear 23, of the disc 24.
Referring to fig. 3, in use, the rotation of the second transmission gear 19 drives the second driven shaft 18 to rotate, drives the first bevel gear 20 to rotate, drives the second bevel gear 23 to rotate, drives the rotating shaft 22 to rotate, and further drives the brush 7 to rotate, so that the brush 7 can clean the obstacles such as gravel on the path to be measured to the side under the condition that the additional wheel 6 and the rotating wheel 4 roll, and a measurer can conveniently use the measuring instrument to measure.
Further, the fixed component comprises a thread groove formed in the support rod 1, the thread groove is connected with a threaded rod 25 in a threaded mode, one end of the threaded rod 25 is fixedly connected with a knob, and a groove hole corresponding to the threaded rod 25 is formed in the first driven shaft 16.
Referring to fig. 1 and 5, fig. 1 shows a partial structure of threaded rod 25 extending into first driven shaft 16, with the surveying instrument in a folded state, fig. 5 shows threaded rod 25 not extending into first driven shaft 16, and with additional wheel 6 in contact with the ground, with the surveying instrument in a usable state, and by turning the direction of the knob, whether threaded rod 25 extends into first driven shaft 16 is controlled.
It should be noted that, in the present application, the rotational connection between the structures is an indirect connection of the bearings, and the rotational connection of the bearings is common knowledge well known to those skilled in the art and is not described herein again.
The working principle of the invention is as follows:
when a measurer uses the measuring instrument to measure, the knob is rotated to drive the threaded rod 25 to rotate, the threaded rod 25 is driven to start to be away from the first driven shaft 16 through the thread groove on the supporting rod 1 until the threaded rod 25 is completely separated from the first driven shaft 16, the additional plate 5 starts to rotate at the moment, and the additional plate 5 stops rotating until the additional wheel 6 and the brush 7 are contacted with the ground;
a measurer holds the handle 2, determines the relative height of the handle 2, and then starts to adjust the force accumulation device, accumulates force on the torsion spring 11 through the rotation of the sliding ring 9, so that the additional plate 5 is always subjected to the elasticity of the torsion spring 11, the additional plate 5 can transmit acting force which is always tightly attached to the ground to the additional wheel 6, and the measurer starts to push the measuring instrument;
the driving of the measurer drives the rotating wheel 4 and the additional wheel 6 to synchronously rotate in the same direction, so that the counter on the supporting rod 1 records the number of rotating turns of the rotating wheel 4, and simultaneously drives the brush 7 to rotate at a high speed, and the measured obstacles such as gravels and the like on the measured path are cleaned;
after the measurement is finished, a reset key of the counter is pressed, the number on the counter is reset, then the additional plate 5 is rotated, the additional plate 5 starts to be close to the supporting rod 1, when the slotted hole in the first driven shaft 16 is opposite to the threaded rod 25, the knob is rotated, the threaded rod 25 is driven to start to be close to the first driven shaft 16 and finally enter the slotted hole, the additional plate 5 is limited, the additional plate 5 and a structure connected with the additional plate 5 are folded, and the measuring instrument is in a folded state.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The high-stability distance measuring wheel is characterized by comprising a supporting rod (1), wherein one end of the supporting rod (1) is fixedly connected with a handle (2), the other end of the supporting rod is rotatably connected with a driving shaft (3), the outer wall of the driving shaft (3) is rotatably connected with a rotating wheel (4), the supporting rod (1) is further provided with a counter for measuring the number of rotating turns of the rotating wheel (4), the outer wall of the driving shaft (3) is rotatably connected with an additional plate (5), the driving shaft (3) is provided with a force accumulating device, the force accumulating device can apply accumulated acting force on the additional plate (5), the additional plate (5) is rotatably connected with an additional wheel (6), the diameter of the additional wheel (6) is consistent with that of the rotating wheel (4), the rotating wheel (4) is connected with a brush (7) for cleaning through a transmission device, and the supporting rod (1) is further provided with a fixing component, the fixing assembly is used for defining the orientation of the additional plate (5).
2. The high range finding wheel of stability of claim 1, characterized in that, hold power device and include a plurality of limiting plates (8) of end fixedly connected with that bracing piece (1) was kept away from with driving shaft (3), a plurality of limiting plate (8) are circumference equidistance and arrange on driving shaft (3), slip ring (9) have been cup jointed on driving shaft (3) outer wall, set up spacing groove (10) with limiting plate (8) adaptation and quantity unanimity on slip ring (9), driving shaft (3) outer wall cover is equipped with torsional spring (11), the both ends of torsional spring (11) are connected with slip ring (9) and additional plate (5) respectively.
3. The high-stability distance measuring wheel according to claim 2, wherein the outer wall of the sliding ring (9) is fixedly sleeved with a fixing ring (12), one side of the additional plate (5) corresponding to the fixing ring (12) is fixedly connected with a cylinder (13), the inner wall of the cylinder (13) is slidably connected with a round rod (14), one end of the round rod (14) far away from the cylinder (13) is arranged in an arc shape and is in contact with the fixing ring (12), a return spring (15) is arranged in the cylinder (13), and two ends of the return spring (15) are respectively connected with the cylinder (13) and the round rod (14).
4. The distance measuring wheel with high stability as claimed in claim 1, wherein the transmission device comprises a first driven shaft (16) rotatably connected with the additional plate (5), one end of the first driven shaft (16) is fixedly connected with the additional wheel (6), the other end of the first driven shaft is fixedly sleeved with a first transmission gear (17), the additional plate (5) is rotatably connected with a second driven shaft (18), one end of the second driven shaft (18) is fixedly sleeved with a second transmission gear (19), the first transmission gear (17) is meshed with the second transmission gear (19), and the diameter of the first transmission gear (17) is greater than that of the second transmission gear (19).
5. The high-stability distance measuring wheel according to claim 4, wherein a first bevel gear (20) is fixedly sleeved on the end of the second driven shaft (18) far away from the second transmission gear (19), the additional plate (5) is fixedly connected with a support plate (21), the support plate (21) is rotatably connected with a rotating shaft (22), a second bevel gear (23) is fixedly sleeved on the end of the rotating shaft (22) close to the first bevel gear (20), the first bevel gear (20) is meshed with the second bevel gear (23), a disk (24) is fixedly connected to the other end of the rotating shaft (22), and the brush (7) is arranged on one side of the disk (24) far away from the second bevel gear (23).
6. The high-stability distance measuring wheel according to claim 4, wherein the fixing component comprises a threaded groove formed in the support rod (1), the threaded groove is connected with a threaded rod (25) in a threaded manner, a knob is fixedly connected to one end of the threaded rod (25), and a slotted hole corresponding to the threaded rod (25) is formed in the first driven shaft (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372379.3A CN114705100B (en) | 2022-04-11 | 2022-04-11 | High range finding wheel of stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372379.3A CN114705100B (en) | 2022-04-11 | 2022-04-11 | High range finding wheel of stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114705100A true CN114705100A (en) | 2022-07-05 |
| CN114705100B CN114705100B (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210372379.3A Active CN114705100B (en) | 2022-04-11 | 2022-04-11 | High range finding wheel of stability |
Country Status (1)
| Country | Link |
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| CN (1) | CN114705100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870505B (en) * | 2024-03-11 | 2024-05-10 | 山东华地测绘地理信息有限公司 | Distance measuring device suitable for many topography |
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| US20120102772A1 (en) * | 2010-08-25 | 2012-05-03 | Keson Industries, Inc. | Distance measuring wheel with foot actuated reset |
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2022
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| US20020073566A1 (en) * | 2000-12-20 | 2002-06-20 | Kouichi Suzuki | Running type road surface shape measuring apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870505B (en) * | 2024-03-11 | 2024-05-10 | 山东华地测绘地理信息有限公司 | Distance measuring device suitable for many topography |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114705100B (en) | 2023-08-22 |
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