CN210070804U

CN210070804U - Foldable distance measuring wheel

Info

Publication number: CN210070804U
Application number: CN201920598018.4U
Authority: CN
Inventors: 韦占国; 王亚平; 陈健
Original assignee: Xinhua Yuan Power Engineering Design Co Ltd
Current assignee: Xinhua Yuan Power Engineering Design Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-14
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a collapsible range finding wheel, including the gyro wheel main part, one side of gyro wheel main part is equipped with first folding rod, one section of first folding rod is equipped with the second folding rod, be equipped with first fixation clamp between first folding rod and the second folding rod, the tip of second folding rod is equipped with the end fixing clamp, the surface of first folding rod and second folding rod is equipped with spacing hasp with the position that first fixation clamp corresponds. The utility model discloses in, adopt the folding rod of three connecting rods, can realize tightening up of whole equipment, folding pivot design perpendicularly simultaneously can realize the change of the folding direction of whole folding rod, further reduces the whole space occupancy of whole equipment, adopts one-way ratchet design, carries out one-way rolling restriction to the gyro wheel main part to avoid range finding wheel reverse movement, improve the measuring accuracy.

Description

Foldable distance measuring wheel

Technical Field

The utility model relates to a range unit field especially relates to a collapsible range finding wheel.

Background

The distance measuring wheel is also called as a mechanical distance measuring vehicle, and is widely used for professional surveying and mapping operation, road engineering, pipeline laying engineering, construction measurement of garden landscapes and golf courses, measurement of distance positions of traffic accidents, measurement of farmland construction management and the like, and comprises rollers, a counter and a rod piece, an operator grasps the rod piece to pull or push the rollers on the foldable distance measuring wheel to rotate, counts the rotating number of the rollers through the counter, and measures the total distance according to the rotating number of the wheel by using the counter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a foldable distance measuring wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a collapsible range finding wheel, includes the gyro wheel main part, one side of gyro wheel main part is equipped with first folding rod, one section of first folding rod is equipped with the second folding rod, be equipped with first fixation clamp between first folding rod and the second folding rod, the tip of the second folding rod is equipped with the end fixing clamp, the surface of the first folding rod and the second folding rod is equipped with spacing hasp with the position that first fixation clamp corresponds.

As a further description of the above technical solution:

the roller is characterized in that a central roller is embedded in the central part of the roller body, an end shaft sleeve is sleeved at the end part of the central roller, an auxiliary bearing plate is welded on the surface of one side of the roller body at the same axial center position, and roller supports are arranged at two ends of the central roller.

As a further description of the above technical solution:

the roller body is in a web plate type, the surface of a web plate of the roller body is provided with a weight reducing through hole, the weight reducing through hole is in a waist-shaped hole, and the total length of the hole is not more than two thirds of the total length of the web plate of the roller body.

As a further description of the above technical solution:

the counting mechanism is characterized in that a counting clamping jaw is clamped on the surface of an end shaft sleeve on one side of the central roller, a counter is fixedly bolted on the end of the counting clamping jaw, and a one-way ratchet wheel is coaxially connected with the surface of the roller body on one side of the central roller, which is close to the counting clamping jaw.

As a further description of the above technical solution:

folding dabber between first folding rod and the second folding rod and the end of second folding rod all are equipped with, and between first folding rod and the second folding rod and the terminal two sets of folding dabber spatial position mutually perpendicular of second folding rod, and the vertical plane side projection in space between two sets of folding dabber is T word perpendicular.

As a further description of the above technical solution:

the end part of the counting clamping jaw is oppositely provided with opposite laser equipment, and the central rolling shaft is provided with a single through hole at the corresponding position of the laser equipment at the end part of the counting clamping jaw.

As a further description of the above technical solution:

and bearing seats are arranged at the contact positions of the roller support and the central roller.

Advantageous effects

1. The utility model discloses in, adopt the folding rod of three connecting rods, can realize tightening up of whole equipment, folding pivot vertical design simultaneously can realize the change of the folding direction of whole folding rod, further reduces the whole space occupancy of whole equipment.

2. The utility model discloses in, adopt one-way ratchet design, carry out one-way rolling restriction to the gyro wheel main part to avoid the measuring wheel reverse movement, improve the measuring accuracy.

Drawings

Fig. 1 is a main structural view of a foldable distance measuring wheel provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1-A;

FIG. 3 is an enlarged view of a portion of the back side of FIG. 1-A;

fig. 4 is the utility model provides a folding assembly structure chart of collapsible range finding wheel.

Illustration of the drawings:

1. a roller body; 2. a first folding bar; 3. a first fixing clip; 4. a second folding bar; 5. an end fixing clip; 6. a limiting hasp; 7. a roller support; 8. a central roller; 9. an auxiliary bearing plate; 10. a weight-reducing through hole; 11. an end portion shaft sleeve; 12. a one-way ratchet; 13. counting the clamping jaws; 14. a counter; 15. and folding the mandrel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a foldable distance measuring wheel comprises a roller body 1, a central roller 8 is embedded in the central portion of the roller body 1, an end portion shaft sleeve 11 is sleeved on the end portion of the central roller 8, an auxiliary bearing plate 9 is welded on the surface of one side of the roller body 1 at the same axial position, roller supports 7 are arranged at two ends of the central roller 8, a first folding rod 2 is arranged on one side of the roller body 1, a second folding rod 4 is arranged on one section of the first folding rod 2, a first fixing clamp 3 is arranged between the first folding rod 2 and the second folding rod 4, an end portion fixing clamp 5 is arranged on the end portion of the second folding rod 4, a limit buckle 6 is arranged at the position, corresponding to the first fixing clamp 3, on the surfaces of the first folding rod 2 and the second folding rod 4, a web roller is adopted in the form of the roller body 1, a weight reducing through hole 10 is arranged on the surface of a web plate of the roller body 1, and the weight, the total length of the hole is no more than two thirds of the total length of a web plate of the roller body 1, the overall quality of the whole device is reduced, the overall strength of the device is ensured, a counting clamping jaw 13 is clamped on the surface of an end part shaft sleeve 11 on one side of a central roller 8, a counter 14 is fixedly connected to the end part of the counting clamping jaw 13 in a bolted mode, a one-way ratchet wheel 12 is coaxially connected to one side, close to the counting clamping jaw 13, of the central roller 8 on the surface of the roller body 1 in a key mode, the whole roller cannot roll back, the overall measurement accuracy of the device is improved, folding mandrels 15 are arranged between a first folding rod 2 and a second folding rod 4 and at the tail end of the second folding rod 4, the space positions of two folding mandrels 15 between the first folding rod 2 and the second folding rod 4 and at the tail end of the second folding rod 4 are mutually perpendicular, the vertical plane side, reduce the whole occupation space of whole equipment, the tip subtend of count clamping jaw 13 is equipped with correlation type laser equipment, single through-hole has been seted up at the corresponding position of 13 tip laser equipment of count clamping jaw to central roller bearing 8, has realized the count of photoelectric change, and single circle count can be realized to single through-hole simultaneously, and roller bearing support 7 and central roller bearing 8's contact position all are equipped with the bearing frame, realizes that the roller bearing operates well, the later stage lubrication of being convenient for.

The utility model discloses a theory of operation: when using this collapsible range finding wheel, expand first folding rod 2 and the second folding rod 4 of equipment through two sets of folding dabber 15 respectively, and fix through first fixation clamp 3 and tip fixation clamp 5 through spacing hasp 6, realize the whole expansion of equipment, later equipment can use, before using, need open the photoelectric switch of count clamping jaw 13, and correspond the through-hole of seting up through central roller bearing 8, later roll the measurement, when measuring the end, watch the data of counter 14, be the rolling number of turns of gyro wheel promptly, correspond the girth of gyro wheel, can calculate the length of measuring the route promptly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a collapsible range finding wheel, includes gyro wheel main part (1), its characterized in that, one side of gyro wheel main part (1) is equipped with first folding rod (2), one section of first folding rod (2) is equipped with second folding rod (4), be equipped with first fixation clamp (3) between first folding rod (2) and the second folding rod (4), the tip of second folding rod (4) is equipped with end fixing clamp (5), the surface of first folding rod (2) and second folding rod (4) is equipped with spacing hasp (6) with the position that first fixation clamp (3) correspond.

2. The foldable distance measuring wheel as claimed in claim 1, wherein a central roller (8) is embedded in the central part of the roller body (1), an end shaft sleeve (11) is sleeved on the end part of the central roller (8), an auxiliary bearing plate (9) is welded on the coaxial position of the surface of one side of the roller body (1), and roller supports (7) are arranged at the two ends of the central roller (8).

3. The foldable distance measuring wheel as claimed in claim 1, wherein the roller body (1) is in the form of a web-type roller, the surface of the web of the roller body (1) is provided with weight-reducing through holes (10), and the weight-reducing through holes (10) are in the shape of kidney-shaped holes, and the total length of the holes is no more than two thirds of the total length of the web of the roller body (1).

4. The foldable distance measuring wheel according to claim 2, characterized in that a counting jaw (13) is clamped on the surface of the end sleeve (11) on one side of the central roller (8), a counter (14) is bolted and fixed on the end of the counting jaw (13), and a one-way ratchet (12) is coaxially keyed on the surface of the roller body (1) on one side of the central roller (8) close to the counting jaw (13).

5. The foldable distance measuring wheel as claimed in claim 1, wherein the folding mandrels (15) are arranged between the first folding rod (2) and the second folding rod (4) and at the end of the second folding rod (4), the two groups of folding mandrels (15) between the first folding rod (2) and the second folding rod (4) and at the end of the second folding rod (4) are in a spatial position perpendicular to each other, and the vertical plane lateral projection of the space between the two groups of folding mandrels (15) is in a T-shape perpendicular.

6. The foldable distance measuring wheel according to claim 4, wherein the end of the counting jaw (13) is provided with a laser device of opposite emission type, and the central roller (8) is provided with a single through hole at the position corresponding to the laser device at the end of the counting jaw (13).

7. Collapsible rangefinder wheel according to claim 2, characterized in that the contact positions of the roller support (7) and the central roller (8) are provided with bearing seats.