CN217504809U

CN217504809U - Highway design measuring device

Info

Publication number: CN217504809U
Application number: CN202123011735.9U
Authority: CN
Inventors: 杜雁飞; 牛淑峰; 闫弘垚; 郭小旭
Original assignee: Shanxi Huashengtong Highway Engineering Survey And Design Co ltd
Current assignee: Shanxi Huashengtong Highway Engineering Survey And Design Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-09-27
Anticipated expiration: 2031-12-02

Abstract

The application provides a highway design measuring device belongs to measuring tool technical field. The highway design measuring device comprises a limiting assembly and a measuring assembly. The rack is fixedly installed at the bottom of the inner wall of the installation cylinder, one end of the rotating shaft is inserted into the sliding groove in a sliding mode, the gear is arranged right above the rack and is sleeved on the rotating shaft, the input shaft of the photoelectric encoder is in key connection with the rotating shaft, and one end of the push rod penetrates through the installation plate in a sliding mode and is fixedly connected with the top end of the telescopic rod. This highway design measuring device is when the rubber wheel takes off the ground, because the rubber wheel is with wheel hub's self gravity, the telescopic link is prolonged downwards for gear and rack contact, thereby the rotation of restriction gear makes the pivot stall immediately, and photoelectric encoder stops the count, has effectively avoided the rubber wheel because inertia continues to rotate, makes the count of instrument more accurate, and the precision of measuring the route distance is higher.

Description

Highway design measuring device

Technical Field

The application relates to the technical field of measuring tools, in particular to a road design measuring device.

Background

The wheel-type distance measuring instrument is one of road design measuring tools, is mainly designed and manufactured for measuring road construction distance, is suitable for various ground conditions including grasslands, hills, rugged construction sites and the like, and is used for measuring a road design route by pushing the distance measuring wheels to roll, the counter records the rotation turns of the distance measuring wheel during rolling, thereby achieving the purpose of measurement, when the measurement is finished or interrupted, a measurer often immediately lifts the instrument, at the moment, the distance measuring wheel separated from the ground continues to rotate under the action of inertia, so that the counting of the counter is not immediately stopped when the measurement is finished, the counting error occurs, and the accuracy of measuring the route distance is further influenced, therefore, how to invent a road design measuring device to improve these problems becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to compensate for above not enough, the application provides a highway design measuring device, aims at improving the ranging wheel and continues to rotate because of inertia when breaking away from ground to influence the counting precision, lead to measuring inaccurate problem.

The embodiment of the application provides a highway design measuring device, including spacing subassembly and measuring component.

The limiting assembly comprises a mounting plate, a connecting plate, a mounting cylinder and a rack, the mounting cylinder is fixedly mounted at the bottom of the mounting plate through the connecting plate, a sliding groove is formed in one side of the mounting cylinder, and the rack is fixedly mounted at the bottom of the inner wall of the mounting cylinder.

The measuring component comprises a wheel hub, a rubber wheel, a rotating shaft, a gear, a photoelectric encoder, a telescopic rod, a push rod and a handle, wherein the rubber wheel is sleeved on the wheel hub, one end of the rotating shaft is slidably inserted into the sliding groove, the gear is installed inside the installation cylinder, the gear is arranged right above the rack and sleeved on the rotating shaft, the wheel hub is sleeved on the rotating shaft, the photoelectric encoder is arranged on the wheel hub and is far away from one side of the installation cylinder, an input shaft of the photoelectric encoder is connected with the rotating shaft key, two ends of the telescopic rod are respectively connected with the top of the photoelectric encoder and the bottom of the installation plate in a fixed connection mode, one end of the push rod is slidably penetrated through the installation plate and the top end of the telescopic rod in a fixed connection mode, and the other end of the push rod is installed on the handle.

In the above-mentioned realization in-process, one end at the pivot sets up photoelectric encoder, the rotation that drives the pivot through the rubber wheel counts, the other end at the pivot sets up the gear, set up spacing subassembly simultaneously, when the rubber wheel takes off the ground, because the rubber wheel and wheel hub's self gravity, the telescopic link lengthens downwards, make the gear move down in the installation section of thick bamboo, the wheel contacts with the rack, thereby the rotation of restriction gear, make the pivot stall immediately, photoelectric encoder stops counting, effectively avoided the rubber wheel because inertia continues to rotate, make the count of instrument more accurate, the precision of measuring the route distance is higher.

In a specific embodiment, the limiting assembly further comprises a scraper fixedly installed on one side of the bottom of the mounting plate.

In the implementation process, sundries attached to the ground can be attached to the ground when the rubber wheel rotates, if the sundries are not removed in time, the circumference of the rubber wheel is increased, errors can occur in the measured distance, and the sundries on the surface of the rubber wheel can be scraped by the scraper arranged at the bottom of the mounting plate.

In a specific embodiment, the push rod comprises a loop bar, a fastening joint and a core bar, the fastening joint is sleeved at the top end of the loop bar, and the core bar fixedly penetrates through the fastening joint and is inserted at the top end of the loop bar in a sliding manner.

In the above-mentioned realization process, the push rod includes loop bar and core bar, can change the length of push rod through tensile core bar to make things convenient for the measuring staff's of different heights use, can fasten the loop bar and be connected with the core bar after tensile through rotating fastening joint, prevent not hard up.

In a specific embodiment, the push rod further comprises folding joints, two groups of the core rods are arranged, and the two groups of the core rods are connected with each other through the folding joints.

In the implementation process, the core bars are arranged into two sections and are connected with each other through the folding joints, and after the measurement is finished, the two ends of the folding joints are broken off, so that the two groups of core bars are folded in half and are convenient to store.

In a specific embodiment, the push rod further comprises a buckle, and one end of the buckle is sleeved on the core rod.

At above-mentioned realization in-process, cup jointed the buckle on a set of core bar, after folding two sets of core bars, with another core bar joint on the buckle, the core bar of avoiding folding back rocks, easily causes the rupture when accomodating.

In a specific embodiment, the push rod further comprises a hinged support, the hinged support is fixedly installed at the top end of the core rod, and the handle is rotatably installed on the hinged support.

In the implementation process, the top end of the core rod is provided with the hinged support, the handle is rotatably arranged at the top end of the core rod through the hinged support, the use angle of the push rod during measurement can be changed by rotating the handle, and the use of measuring personnel is facilitated.

In a specific embodiment, a rubber sleeve is sleeved outside the handle.

In the implementation process, the rubber sleeve is arranged outside the handle, so that the measuring personnel can hold the handle more comfortably, and better use experience can be realized.

In a specific implementation scheme, a limiting groove is formed in the side face of the hub, and the inner side of the rubber wheel is clamped in the limiting groove.

In the above-mentioned realization process, wheel hub's side sets up the spacing groove, and the rubber tyer is installed on the wheel hub surface through the mode of joint, and the rubber tyer can not take place to sideslip and break away from wheel hub during the use, makes things convenient for the change of rubber tyer simultaneously.

In a specific embodiment, the surface of the rubber wheel is provided with anti-skid lines.

In the implementation process, the anti-skid lines are arranged on the surface of the rubber wheel, so that the land grabbing force of the rubber wheel is increased, and the influence on the measurement precision caused by the slippage of the rubber wheel during the measurement of the wet road surface can be avoided.

In a specific embodiment, the telescopic rod comprises a sleeve, a sliding rod and a limiting plate, the sliding rod is inserted into the top end of the sleeve in a sliding mode, and the limiting plate is installed inside the sleeve in a sliding mode and fixedly connected with the bottom end of the sliding rod.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a road design measuring device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a limiting assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a measurement assembly according to an embodiment of the present disclosure;

FIG. 4 is a left side view of a measurement assembly provided by an embodiment of the present application;

fig. 5 is a schematic view illustrating a folding manner of a road design measuring device according to an embodiment of the present application;

FIG. 6 is a schematic view of an installation structure of a hub and a rubber wheel provided in the embodiment of the present application;

fig. 7 is a schematic structural view of a telescopic rod provided in the embodiment of the present application.

In the figure: 100-a stop assembly; 110-a mounting plate; 120-a connecting plate; 130-mounting the barrel; 131-a chute; 140-a rack; 150-a squeegee; 200-a measurement assembly; 210-a hub; 211-a limiting groove; 220-rubber wheel; 230-a rotating shaft; 240-gear; 250-a photoelectric encoder; 260-a telescopic rod; 261-a sleeve; 262-a slide bar; 263-limiting plate; 270-a push rod; 271-a loop bar; 272-a fastening tab; 273-core bar; 274-folding joint; 275-snap fastener; 276-hinged support; 280-a handle.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides a road design measuring device, which includes a position limiting assembly 100 and a measuring assembly 200.

Referring to fig. 2, the limiting assembly 100 includes a mounting plate 110, a connecting plate 120, a mounting cylinder 130 and a rack 140, the mounting cylinder 130 is fixedly mounted at the bottom of the mounting plate 110 through the connecting plate 120, a sliding groove 131 is formed at one side of the mounting cylinder 130, and the rack 140 is fixedly mounted at the bottom of the inner wall of the mounting cylinder 130.

In other embodiments, the position limiting assembly 100 further includes a scraper 150, the scraper 150 is fixedly installed at one side of the bottom of the mounting plate 110, and when the rubber wheel 220 rotates, the scraper 150 may be attached to the ground, and if the rotation is not timely removed, the circumference of the rubber wheel 220 may increase, so that an error may occur in the measured distance, and the scraper 150 installed at the bottom of the mounting plate 110 may scrape off the impurities on the surface of the rubber wheel 220.

Referring to fig. 3 and 4, the measuring assembly 200 includes a hub 210, a rubber wheel 220, a rotating shaft 230, a gear 240, a photoelectric encoder 250, a telescopic rod 260, a push rod 270 and a handle 280, the rubber wheel 220 is sleeved on the hub 210, one end of the rotating shaft 230 is slidably inserted into the sliding groove 131, the gear 240 is installed inside the installation cylinder 130, the gear 240 is disposed over the rack 140 and sleeved on the rotating shaft 230, the hub 210 is sleeved on the rotating shaft 230, the photoelectric encoder 250 is disposed on a side of the hub 210 away from the installation cylinder 130, an input shaft of the photoelectric encoder 250 is connected with the rotating shaft 230 in a key manner, two ends of the telescopic rod 260 are respectively fixedly connected with a top of the photoelectric encoder 250 and a bottom of the installation plate 110, one end of the push rod 270 slidably penetrates through the installation plate 110 and is fixedly connected with a top end of the telescopic rod 260, and the handle 280 is installed at the other end of the push rod 270.

In other embodiments, the push rod 270 includes a sleeve rod 271, a fastening joint 272 and a core rod 273, the fastening joint 272 is sleeved on the top end of the sleeve rod 271, the core rod 273 is fixedly inserted into the top end of the sleeve rod 271 through the fastening joint 272, the length of the push rod 270 can be changed by stretching the core rod 273, so that the use of measuring personnel with different heights is facilitated, and the fastening joint 272 can be rotated to fasten the connection between the sleeve rod 271 and the core rod 273 after stretching, so as to prevent looseness.

In other embodiments, the push rod 270 further includes a folding joint 274, the core bars 273 are provided in two sets, the two sets of core bars 273 are connected to each other through the folding joint 274, and after the measurement is finished, the two ends of the folding joint 274 are broken off, so that the two sets of core bars 273 are folded in half for convenient storage.

Please refer to fig. 5, the push rod 270 further includes a buckle 275, one end of the buckle 275 is sleeved on the core rod 273, after the two sets of core rods 273 are folded, the other set of core rod 273 is clamped on the buckle 275, the core rod 273 after being folded is prevented from shaking, and the buckle is easy to break when being stored.

In other embodiments, the push rod 270 further comprises a hinge support 276, the hinge support 276 is fixedly mounted at the top end of the core rod 273, and the handle 280 is rotatably mounted on the hinge support 276, so that the use angle of the push rod 270 during measurement can be changed by rotating the handle 280, and the use of a measurer is facilitated.

In other embodiments, a rubber sleeve is sleeved outside the handle 280, so that the measurer can hold the handle 280 more comfortably and has better use experience.

Referring to fig. 6, a limiting groove 211 is formed in a side surface of the wheel hub 210, and an inner side of the rubber wheel 220 is engaged with the limiting groove 211, so that the rubber wheel 220 does not slip and separate from the wheel hub 210 when in use, and the rubber wheel 220 can be conveniently replaced.

In other embodiments, the surface of the rubber wheel 220 is provided with anti-slip lines, so that the grip of the rubber wheel 220 is increased, and the influence of the slip of the rubber wheel 220 on the measurement accuracy during the measurement of the wet road surface can be avoided.

Referring to fig. 7, the telescopic rod 260 includes a sleeve 261, a sliding rod 262 and a limiting plate 263, the sliding rod 262 is inserted into the top end of the sleeve 261 in a sliding manner, and the limiting plate 263 is installed inside the sleeve 261 in a sliding manner and is fixedly connected to the bottom end of the sliding rod 262.

The working principle of the road design measuring device is as follows: when measuring, the handle 280 is held by hand, the rubber wheel 220 is contacted with the ground, the push rod 270 is pushed to the right front, the rubber wheel 220 is driven to roll on the ground, the rotating shaft 230 is driven to rotate by the hub 210, the photoelectric encoder 250 counts the rotation of the rotating shaft 230, when the measurement is finished, the measuring assembly 200 is lifted upwards, at this time, due to the self-gravity of the rubber wheel 220 and the hub 210, the sleeve 261 is driven to move downwards, the rotating shaft 230 and the gear 240 are driven to move downwards, the rotating shaft 230 slides downwards in the chute 131 until the gear 240 is contacted with the rack 140, the rotating gear 240 moves transversely on the rack 140, the rotating shaft 230 is driven to move transversely, but due to the limit of the chute 131 on the rotating shaft 230, the rotating shaft 230 cannot move transversely, the gear 240 stops rotating, the photoelectric encoder 250 stops counting, when the rubber wheel 220 is used again, the mounting plate 110 presses the sliding rod 262 downwards due to the self-gravity, thereby drive installation section of thick bamboo 130 and rack 140 and move down, rack 140 breaks away from with gear 240, and gear 240 resumes rotatable state, and the instrument can continue to measure.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A road design measuring device is characterized by comprising

The limiting assembly (100) comprises a mounting plate (110), a connecting plate (120), a mounting cylinder (130) and a rack (140), the mounting cylinder (130) is fixedly mounted at the bottom of the mounting plate (110) through the connecting plate (120), a sliding groove (131) is formed in one side of the mounting cylinder (130), and the rack (140) is fixedly mounted at the bottom of the inner wall of the mounting cylinder (130);

the measuring component (200) comprises a hub (210), a rubber wheel (220), a rotating shaft (230), a gear (240), a photoelectric encoder (250), an expansion link (260), a push rod (270) and a handle (280), wherein the rubber wheel (220) is sleeved on the hub (210), one end of the rotating shaft (230) is inserted in the sliding groove (131) in a sliding manner, the gear (240) is installed inside the installation cylinder (130), the gear (240) is arranged right above the rack (140) and sleeved on the rotating shaft (230), the hub (210) is sleeved on the rotating shaft (230), the photoelectric encoder (250) is arranged on one side, away from the installation cylinder (130), of the hub (210), an input shaft of the photoelectric encoder (250) is in key connection with the rotating shaft (230), two ends of the expansion link (260) are respectively fixedly connected with the top of the photoelectric encoder (250) and the bottom of the installation plate (110), one end of the push rod (270) slides and penetrates through the mounting plate (110) and the top end of the telescopic rod (260) is fixedly connected, and the handle (280) is mounted at the other end of the push rod (270).

2. A road design measuring device according to claim 1, wherein the position limiting assembly (100) further comprises a scraper (150), and the scraper (150) is fixedly installed on one side of the bottom of the mounting plate (110).

3. A road design measuring device according to claim 1, wherein the push rod (270) comprises a loop bar (271), a fastening joint (272) and a core bar (273), the fastening joint (272) is sleeved on the top end of the loop bar (271), and the core bar (273) fixedly penetrates through the fastening joint (272) and is slidably inserted into the top end of the loop bar (271).

4. A road design measuring device according to claim 3, characterized in that the push rod (270) further comprises folding joints (274), the core rods (273) being provided in two groups, the two groups of core rods (273) being interconnected by the folding joints (274).

5. A road design measuring device according to claim 4, characterized in that the push rod (270) further comprises a buckle (275), and one end of the buckle (275) is sleeved on the core rod (273).

6. A road design measuring device according to claim 3, wherein the push rod (270) further comprises a hinge support (276), the hinge support (276) is fixedly mounted on the top end of the core rod (273), and the handle (280) is rotatably mounted on the hinge support (276).

7. A road design measuring device according to claim 1, characterized in that a rubber sleeve is sleeved on the outside of the handle (280).

8. A road design measuring device according to claim 1, wherein a limiting groove (211) is formed in a side surface of the hub (210), and an inner side of the rubber wheel (220) is engaged with the limiting groove (211).

9. A road design measuring device according to claim 1, characterized in that the surface of the rubber wheel (220) is provided with anti-skid threads.

10. A road design measuring device according to claim 1, wherein the telescopic rod (260) comprises a sleeve (261), a sliding rod (262) and a limiting plate (263), the sliding rod (262) is inserted into the top end of the sleeve (261) in a sliding manner, and the limiting plate (263) is installed inside the sleeve (261) in a sliding manner and is fixedly connected with the bottom end of the sliding rod (262).