CN213902258U

CN213902258U - A kind of rolling rangefinder precision auxiliary device

Info

Publication number: CN213902258U
Application number: CN202022873683.5U
Authority: CN
Inventors: 丁玲; 黄建文; 夏宜龙; 潘孟欣; 王琼; 胡从群
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-06
Anticipated expiration: 2030-12-04

Abstract

A precision auxiliary device for a rolling range finder, comprising a support rod, a grip handle and a ranging wheel, the upper end of the support rod is connected to the grip handle, the front end of the grip handle is provided with a data display instrument, the lower end of the support rod is connected with the ranging wheel, and the measuring wheel is connected to the lower end of the support rod. The center part of the distance wheel is provided with a vertical positioning needle, the middle part of the support rod is provided with a rotating mechanism, the manual clamping device is movably connected with the middle part of the support rod through the rotating mechanism, and the upper part of the support rod is also provided with an infrared positioning device near the handle. The remote end is equipped with an infrared laser projection board to be paired with an infrared positioning device; this device solves the problem of data display jumping caused by the rotation of the distance wheel when the electronic hand guesses the distance wheel when it reaches the measured position. Maintains a straight path when measuring the straight-line distance between two points, improving the accuracy of the device's measurements.

Description

Precision auxiliary device of rolling distance measuring instrument

Technical Field

The utility model relates to a valve measuring device technical field specifically indicates a hand propelled roll distancer.

Background

The building engineering major is mainly responsible for teaching and management of civil engineering major building engineering directions, mainly cultures and masters the basic theory and basic knowledge of engineering mechanics, soil mechanics, surveying, housing architecture and structural engineering subjects, and is a general term for various buildings and engineering facilities providing material technology foundation for human life and production; the ground construction distance measurement is often all needed to utilize the distancer to carry out among the building engineering construction process, and the kind of hand propelled roll distancer is various, but the theory of operation is usually all for walking through promoting the distancer wheel, and the girth of measuring the distancer wheel can calculate the distance between two points.

After the existing electronic hand-pushed distance measuring wheel reaches a measured position, the distance measuring wheel automatically rotates due to inertia and other reasons when the device is lifted and the reading is recorded, and the reading on the data display device jumps in the process; in addition, when the distance measuring wheel measures a straight distance, the distance measuring wheel may cause a reading value greater than an actual value due to a curved running path, and finally, the measured data is inaccurate.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a hand propelled roll distancer has solved electron hand push distancer and has arrived the data display problem of beating that the distancer rotation arouses when being surveyed the position, can make the device keep straight route when measuring the linear distance between two points through setting up laser emitter, has improved the measuring accuracy of device.

In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:

the utility model provides a roll distancer precision auxiliary device, including the bracing piece, grab handle and range finding wheel, the grab handle is connected to the upper end of bracing piece, the front end of grab handle is equipped with data display, the range finding wheel is connected to the lower extreme of bracing piece, the central point of range finding wheel is provided with the vertical location needle, the middle part of bracing piece is equipped with slewing mechanism, manual screens device passes through slewing mechanism and the middle part swing joint of bracing piece, bracing piece upper portion is close to grab handle department and still is equipped with infrared positioning device, the device distal end is equipped with infrared laser and throws the board and pairs the use with infrared positioning device.

In the preferred scheme, the manual clamping device comprises a fixed hook, a lifting ring, a clamping support rod and a spring; slewing mechanism and with bracing piece swing joint are connected to the top of screens branch focus, the below of screens branch's focus passes through spring elastic connection with the bracing piece, and the bottom of screens branch is equipped with the rubber head, rings are connected at the top of screens branch, is close to screens branch department on the bracing piece and connects fixed couple.

In the preferred scheme, the rotating mechanism comprises a rotating shaft and fixing nuts, the rotating shaft is connected with the clamping support rod and penetrates through the connecting support rod, and the rotating shaft can freely rotate in the support rod and is fixed in the middle of the support rod through the fixing nuts at two ends.

In a preferred scheme, the infrared positioning device comprises a supporting platform, a bracket base, a positioning instrument bracket and a laser transmitter; supporting platform sets up in grab handle below and bracing piece fixed connection, and supporting platform's upper surface is close to grab handle department and installs the support base, and support inclination can be adjusted wantonly to locater support bottom and support base swing joint, and laser emitter is connected at the top of locater support.

In the preferred scheme, the inside lithium cell that is equipped with of data display appearance provides the electric energy for it, data display appearance internal connection data line, the other end of data line connects the electronic counter on the range finding wheel through the inside back of data display appearance and bracing piece.

This patent can reach following beneficial effect:

1. the utility model fixes the ranging wheel through the manual clamping device when the electronic hand-push ranging wheel reaches the measured position by arranging the fixed hook, the hanging ring, the clamping support rod and the spring, so that the electronic hand-push ranging wheel does not change position when being taken up, thereby keeping the number of degrees on the data display device unchanged, and a user can read out accurate readings on the data display device all the time;

2. the device is through setting up infrared positioning device and infrared ray laser projection board, and the measuring wheel can be followed straight line route and travel at the electronic hand push distancer in the straight line distance process between measuring two points, makes the measured value more close the true value, further improvement the device measuring accuracy.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the manual positioning device of the present invention;

FIG. 3 is a schematic view of the structure of the rotating mechanism of the present invention;

fig. 4 is a schematic structural view of the infrared positioning device of the present invention.

In the figure: the device comprises a data display instrument 1, a grab handle 2, a support rod 3, a clamping device 4, a fixed hook 401, a hanging ring 402, a clamping support rod 403, a spring 404, a rotating mechanism 5, a rotating shaft 501, a fixed nut 502, a distance measuring wheel 6, a vertical positioning pin 7, an infrared positioning device 8, a laser emitter 801, a positioning instrument support 802, a support base 803, a support platform 804 and an infrared laser projection plate 9.

Detailed Description

The preferred scheme is as shown in figure 1, a roll distancer precision auxiliary device, including bracing piece 3, grab handle 2 and distancer wheel 6, grab handle 2 is connected to the upper end of bracing piece 3, and the front end of grab handle 2 is equipped with data display 1, and the data display 1 embeds luminous display element and helps measuring personnel in accurate reading numerical value of dark measurement departments such as cave, tunnel. The lower end of the supporting rod 3 is connected with a distance measuring wheel 6, the data display instrument 1 is internally connected with a data line, the other end of the data line is connected with an electronic counter on the distance measuring wheel 6 after passing through the data display instrument 1 and the supporting rod 3, the distance measuring wheel 6 can transmit data to the data display instrument 1 in time through the data line for displaying after measuring the data, the central part of the distance measuring wheel 6 is provided with a vertical positioning needle 7, and the vertical positioning needle 7 is beneficial to the running of a measuring device according to a track path;

the middle part of bracing piece 3 is equipped with slewing mechanism 5, manual screens device 4 passes through

slewing mechanism

5 and 3 middle part swing joint of bracing piece, 3 upper portions of bracing piece are close to 2 departments of grab handle and still are equipped with infrared positioning device 8, the device distal end is equipped with infrared laser and throws board 9 and infrared positioning device 8 and pair the use, need set up infrared laser with infrared laser and throw board 9 at the route terminal point during the measurement, survey crew throws the infrared ray on laser throws board 9 with infrared positioning device 8 at the route starting point department, the rectilinear movement of range finding wheel 6 can be kept to the in-process that keeps infrared positioning device 8 throw the state at range finding wheel 6 removal.

As shown in fig. 2, the manual locking device 4 includes a fixed hook 401, a hanging ring 402, a locking support 403 and a spring 404; the upper part of the gravity center point of the clamping support rod 403 is connected with the rotating mechanism 5 and movably connected with the support rod 3, the lower part of the gravity center point of the clamping support rod 403 is elastically connected with the support rod 3 through a spring 404, the bottom end of the clamping support rod 403 is provided with a rubber head, the top part of the clamping support rod 403 is connected with a hanging ring 402, and the part of the support rod 3, which is close to the hanging ring 402, is connected with a fixed hook 401;

under the natural state, due to the support of the spring 404, the rubber head at the bottom of the clamping support rod 403 is not in contact with the distance measuring wheel 6, the hanging ring 402 at the top of the clamping support rod 403 is not connected with the fixed hook 401, after external force is applied to the upper half of the clamping support rod 403, the clamping support rod 403 rotates around the rotating mechanism 5 and compresses the spring 404 until the rubber head at the bottom of the clamping support rod 403 is in contact with the distance measuring wheel 6 and stops rotating, a measurer hangs and buckles the hanging ring 402 on the fixed hook 401 to enable the clamping support rod 403 to keep in a clamping state, and the distance measuring wheel 6 can be kept static and does not rotate due to the contact with the rubber head at the bottom of the clamping support rod 403.

Preferably, as shown in fig. 3, the rotating mechanism 5 includes a rotating shaft 501 and a fixing nut 502, the rotating shaft 501 is connected to the retaining rod 403 and penetrates through the supporting rod 3, and the rotating shaft 501 is freely rotatable in the supporting rod 3 and is fixed in the middle of the supporting rod 3 by the fixing nuts 502 at both ends.

As shown in fig. 4, the infrared positioning device 8 includes a supporting platform 804, a support base 803, a positioning apparatus support 802 and a laser emitter 801; the supporting platform 804 is arranged below the grab handle 2 and fixedly connected with the supporting rod 3, the support base 803 is arranged on the upper surface of the supporting platform 804 close to the grab handle 2, the bottom of the locator support 802 is movably connected with the support base 803, the inclination angle of the support can be adjusted at will, and the top of the locator support 802 is connected with the laser emitter 801; this design helps the surveying staff to adjust the irradiation angle of the laser transmitter 801 while holding the grip 2 with one hand, so that the device is always aligned with the laser projection plate 9 at the end point without deviation.

The working principle of the whole tool is as follows:

1. before measurement, the laser projection plate 9 is placed at a measurement end point, a measurer places the device at the measurement start point, holds the handle 2 with hands, opens the laser emitter 801, adjusts the inclination angle of the locator support 802 to enable infrared rays to irradiate on the infrared laser projection plate 9, and pushes the distance measuring wheel 6 to do linear motion;

2. when the distance measuring wheel 6 reaches a measuring terminal, a measurer applies external force to the upper half part of the clamping support rod 403, the spring 404 is compressed, the rubber head at the bottom of the clamping support rod 403 is in contact with the distance measuring wheel 6 and enters a locked state, then the measurer hangs and buckles the hanging ring 402 on the fixed hook 401 to enable the clamping support rod 403 to keep in a clamping state, and the distance measuring wheel 6 is enabled to keep in a static state and then reads a numerical value on the data display instrument 1;

3. after the data is recorded, a measurer presses the upper half part of the clamping support rod 403 and takes the hanging ring 402 off the fixed hook 401, the clamping support rod 403 is restored to the initial position due to the elastic force of the spring 404, the distance measuring wheel 6 is restored to the unlocking state, and the measurer can perform the next measuring operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a roll distancer precision auxiliary device, includes bracing piece (3), grab handle (2) and range finding wheel (6), its characterized in that: the upper end of bracing piece (3) is connected grab handle (2), the front end of grab handle (2) is equipped with data display (1), range finding wheel (6) is connected to the lower extreme of bracing piece (3), the central point of range finding wheel (6) is provided with vertical location needle (7), the middle part of bracing piece (3) is equipped with slewing mechanism (5), manual screens device (4) are through slewing mechanism (5) and the middle part swing joint of bracing piece (3), the upper portion of bracing piece (3) is close to grab handle (2) department and is equipped with infrared positioning device (8), the device distal end is equipped with infrared laser and throws board (9) and pairs the use with infrared positioning device (8).

2. The rolling range finder accuracy aid of claim 1, wherein: the manual clamping device (4) comprises a fixed hook (401), a hanging ring (402), a clamping support rod (403) and a spring (404); slewing mechanism (5) and with bracing piece (3) swing joint are connected to screens branch (403) the top of the focus point, and the below of the focus point of screens branch (403) passes through spring (404) elastic connection with bracing piece (3), and the bottom of screens branch (403) is equipped with the rubber head, and rings (402) are connected at the top of screens branch (403), and the department of being close to screens branch (403) on bracing piece (3) is equipped with fixed couple (401).

3. The rolling range finder accuracy aid of claim 1 or 2, wherein: the rotating mechanism (5) comprises a rotating shaft (501) and fixing nuts (502), the rotating shaft (501) is connected with the clamping support rod (403) and penetrates through the support rod (3), and the rotating shaft (501) can freely rotate in the support rod (3) and is fixed in the middle of the support rod (3) through the fixing nuts (502) at two ends.

4. The rolling range finder accuracy aid of claim 1, wherein: the infrared positioning device (8) comprises a supporting platform (804), a bracket base (803), a positioning instrument bracket (802) and a laser emitter (801); supporting platform (804) set up in grab handle (2) below and bracing piece (3) fixed connection, and support base (803) are installed to the upper surface of supporting platform (804) near grab handle (2) department, and support inclination can be adjusted wantonly to the bottom and support base (803) swing joint of locater support (802), and laser emitter (801) is connected at the top of locater support (802).

5. The rolling range finder accuracy aid of claim 1, wherein: the inside of data display appearance (1) is equipped with the lithium cell and can provides the electric energy for it, and data display appearance (1) internal connection data line, the other end of data line connect the electronic counter on range finding wheel (6) behind the inside of data display appearance (1) and bracing piece (3).