CN211291477U

CN211291477U - Building engineering surveyor's level

Info

Publication number: CN211291477U
Application number: CN202020302621.6U
Authority: CN
Inventors: 李东蔓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-08-18
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a building engineering surveyor's level, including the mobile jib, a plurality of grooves of accomodating, every have been seted up to the surface circumference equidistance of mobile jib the inside of accomodating the groove all rotates and is connected with branch, the one side of the orientation mobile jib of branch is opened there is the bar groove, the inside rotation in bar groove is connected with the locating lever, the bottom threaded connection of branch has the regulation foundation. This building engineering surveyor's level, through setting up a plurality of grooves of accomodating of seting up on the mobile jib surface, a be used for placing and accomodate branch, be located the bar groove of branch side through the setting, be convenient for accomodate the locating lever, locating lever through setting up "7" style of calligraphy and rather than the constant head tank of adaptation, it is fixed with the mobile jib to make branch be convenient for expand, the mobile jib adopts this structural formula design, space saving has, portable and the effect that reduces weight, simultaneously this building engineering surveyor's level's rise is the length of straight-tooth rack on the ejector pin, the rise distance is big, need not additionally to carry out horizontal adjustment, wider measuring face has.

Description

Building engineering surveyor's level

Technical Field

The utility model relates to a surveying instrument technical field specifically is a building engineering surveyor's level.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The principle is to measure the height difference between ground points according to the leveling principle. The main components are hopeful to be a telescope, a tube level gauge (or compensator), a vertical shaft, a base and a foot screw. It is divided into a micro-tilt level, an automatic leveling level, a laser level and a digital level (also called an electronic level) according to the structure. The precision level is divided into a precision level and a common level according to the precision.

The supporting seat is regarded as with the help of the tripod mostly to current surveyor's level, and the tripod supporting seat is mostly formed by a mobile jib and at least three branch, and occupation space is big, and the whole of being not convenient for carry, and the height that lies in the surveyor's level on upper portion simultaneously can only slightly be adjusted, if need adjust by a wide margin and have to mobilize the support mobile jib, mobilize and to look for the level again behind the support mobile jib, comparatively troublesome. Therefore, we propose a level for construction engineering.

Disclosure of Invention

An object of the utility model is to provide a building engineering surveyor's level to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a constructional engineering level comprises a main rod, wherein a plurality of accommodating grooves are formed in the surface of the main rod at equal intervals in the circumferential direction, a supporting rod is rotatably connected inside each accommodating groove, a strip-shaped groove is formed in one surface, facing the main rod, of each supporting rod, a positioning rod is rotatably connected inside each strip-shaped groove, and the bottom of each supporting rod is in threaded connection with an adjusting bottom column; the bottom of the main rod is fixedly connected with a conical bottom column, the top end of the main rod is fixedly connected with a top seat, a horizontal column is embedded in the front of the top seat, a channel groove extending into the main rod is formed in the center of the circle of the upper surface of the top seat, a top rod is mounted on the inner wall of the channel groove through a linear bearing, and a lifting mechanism extending into the channel groove and used for adjusting the height of the top rod is arranged on the right side of the top end of the main rod; the left side of mobile jib is provided with the positioning mechanism who is used for restricting the ejector pin height, the top fixedly connected with carousel seat of ejector pin, the last surface mounting of carousel seat has the surveyor's level.

Preferably, the one end that the bar inslot pivot was kept away from to the locating lever is "7" style of calligraphy structure, the constant head tank of "protruding" style of calligraphy of falling with the locating lever adaptation is seted up at the middle part of accomodating the groove.

Preferably, elevating system is including inlaying the spur rack of establishing on the ejector pin is positive and rotating the handle of connecting on the mobile jib right side with rotating, the inside fixed surface that the pivot of rotating the handle extends to the channel groove is connected with the gear, the gear meshes with the spur rack mutually.

Preferably, positioning mechanism is including seting up the screw hole at mobile jib top left surface, the inside threaded connection of screw hole has the screw top bolt, the screw top bolt is located the inside one end fixedly connected with rubber block of channel groove.

Preferably, the number of the linear bearings is two, the two linear bearings are both arranged on the surface of the ejector rod, and the height of the tooth crest of the straight rack on the ejector rod is lower than the height of the surface of the ejector rod.

Preferably, the bottom of the support rod is provided with a threaded hole for connecting with a thread and accommodating the adjusting bottom column.

Advantageous effects

The utility model provides a building engineering surveyor's level possesses following beneficial effect:

1. this building engineering surveyor's level, through setting up a plurality of grooves of accomodating of seting up on the mobile jib surface, a be used for placing and accomodating branch, be located the bar groove of branch side through setting up, be convenient for accomodate the locating lever, locating lever through setting up "7" style of calligraphy and rather than the constant head tank of adaptation, it is fixed with the mobile jib to make branch be convenient for expand, adjust the foundation column through setting up, be convenient for adjust branch's whole height according to the ground condition, a be used for adjusting the level, thereby make this surveyor's level can accomodate and expand branch, portable and the effect of erectting fast.

2. This building engineering surveyor's level, through setting up linear bearing for the displacement orbit of restriction ejector pin is located the ejector pin surface through setting up and inlays the spur rack of establishing, makes to rotate the handle and utilizes the gear can drive the whole rising of carousel seat, thereby adjusts the height of surveyor's level, through setting up the screw roof bolt, can restrict the height of ejector pin, thereby makes the height of this surveyor's level can adjust in a flexible way, and the while lift distance is big, need not additionally to carry out horizontal calibration, has wider measuring face.

Drawings

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

FIG. 2 is a schematic view of the main rod of the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the support rod of the present invention;

FIG. 4 is an enlarged view of the upper structure of FIG. 2 with reference to the auxiliary line A-A;

fig. 5 is an enlarged view of the lower structure of fig. 2 with reference to the auxiliary line a-a.

In the figure: the device comprises a main rod 1, a storage groove 2, a supporting rod 3, a strip-shaped groove 4, a positioning rod 5, an adjusting bottom column 6, a bottom column 7, a top seat 8, a channel groove 9, a top rod 10, a turntable seat 11, a level 12, a positioning groove 13, a straight rack 14, a rotating handle 15, a gear 16, a threaded top bolt 17, a rubber block 18, a linear bearing 19 and a horizontal column 20.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a constructional engineering level comprises a main rod 1, a plurality of accommodating grooves 2 are formed in the surface of the main rod 1 in a circumferential and equidistant mode, a supporting rod 3 is rotatably connected inside each accommodating groove 2, a strip-shaped groove 4 is formed in one surface, facing the main rod 1, of each supporting rod 3, a positioning rod 5 is rotatably connected inside each strip-shaped groove 4, an adjusting bottom column 6 is in threaded connection with the bottom of each supporting rod 3, threaded holes for threaded connection and accommodation of the adjusting bottom columns 6 are formed in the bottoms of the supporting rods 3, one end, away from a rotating shaft in each strip-shaped groove 4, of each positioning rod 5 is of a 7-shaped structure, and an inverted-convex-shaped positioning groove 13 matched with each positioning rod 5 is formed in the middle of each accommodating; the bottom of the main rod 1 is fixedly connected with a conical bottom column 7.

The top end of the main rod 1 is fixedly connected with a top seat 8, a horizontal column 20 is embedded in the front of the top seat 8, a channel groove 9 extending into the main rod 1 is formed in the center of the upper surface of the top seat 8, ejector rods 10 are mounted on the inner wall of the channel groove 9 through linear bearings 19, the number of the linear bearings 19 is two, the two linear bearings 19 are mounted on the surface of the ejector rod 10, and a lifting mechanism extending into the channel groove 9 and used for adjusting the height of the ejector rod 10 is arranged on the right side of the top end of the main rod 1; the lifting mechanism comprises a spur rack 14 embedded in the front of the ejector rod 10 and a rotating handle 15 rotatably connected to the right side of the main rod 1, the height of a crest of the spur rack 14 on the ejector rod 10 is lower than the surface height of the ejector rod 10, a rotating shaft of the rotating handle 15 extends to the inner surface of the channel groove 9 and is fixedly connected with a gear 16, and the gear 16 is meshed with the spur rack 14.

The left side of mobile jib 1 is provided with the positioning mechanism who is used for restricting the ejector pin 10 height, and positioning mechanism is including seting up the screw hole at 1 top left surface of mobile jib, and the inside threaded connection of screw hole has screw top bolt 17, and screw top bolt 17 is located the inside one end fixedly connected with block rubber 18 of channel groove 9, the top fixedly connected with carousel seat 11 of ejector pin 10, and the last surface mounting of carousel seat 11 has surveyor's level 12.

The working principle is as follows: when the building engineering level is measured and erected, firstly, a main rod 1 is inserted into the ground by using a bottom column 7, then a plurality of support rods 3 are taken out of a containing groove 2, a positioning rod 5 is taken out of a strip-shaped groove 4, one end of the positioning rod 5 is clamped into a positioning groove 13, then an adjusting bottom column 6 is rotated, the whole length of each support rod 3 is adjusted, the state of a horizontal column 20 is observed, a top seat 8 is adjusted to be horizontal, a level 12 is installed on the upper surface of a turntable seat 11 during measurement, when the height of the level 12 needs to be increased during measurement, a rotating handle 15 is rotated, a gear 16 is controlled to rotate, the top rod 10 is driven to ascend by a straight rack 14, and a threaded top bolt 17 is rotated to brake the top rod 10 and fix the height of the level 12; after the measurement, we accomodate the locating lever 5 in the bar groove 4, accomodate branch 3 in accomodating groove 2, then utilize to tie up the rope bind 1 body of rod of mobile jib can, mobile jib 1 adopts this structural formula design, has the space of practicing thrift, portable and the effect that reduces weight, this building engineering spirit level's rise height is the length of straight rack 14 on ejector pin 10, and the rise distance is big, need not additionally to carry out horizontal adjustment, has wider measuring face.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A constructional engineering level, includes mobile jib (1), its characterized in that: the surface of the main rod (1) is circumferentially and equidistantly provided with a plurality of accommodating grooves (2), the inside of each accommodating groove (2) is rotatably connected with a supporting rod (3), one surface of each supporting rod (3) facing the main rod (1) is provided with a strip-shaped groove (4), the inside of each strip-shaped groove (4) is rotatably connected with a positioning rod (5), and the bottom of each supporting rod (3) is in threaded connection with an adjusting bottom column (6); the lifting device comprises a main rod (1), a conical bottom column (7) is fixedly connected to the bottom of the main rod (1), a top seat (8) is fixedly connected to the top end of the main rod (1), a horizontal column (20) is embedded in the front of the top seat (8), a channel groove (9) extending into the main rod (1) is formed in the center of the circle of the upper surface of the top seat (8), a top rod (10) is installed on the inner wall of the channel groove (9) through a linear bearing (19), and a lifting mechanism extending into the channel groove (9) and used for adjusting the height of the top rod (10) is arranged on the right side of the top end of the main rod (1; the left side of mobile jib (1) is provided with the positioning mechanism who is used for restricting ejector pin (10) height, the top fixedly connected with carousel seat (11) of ejector pin (10), the last surface mounting of carousel seat (11) has surveyor's level (12).

2. A constructional engineering level as defined in claim 1, wherein: the one end that strip groove (4) internal rotation axle was kept away from in locating lever (5) is "7" style of calligraphy structure, hold in the middle part of groove (2) and offer constant head tank (13) with the reverse "protruding" style of calligraphy of locating lever (5) adaptation.

3. A constructional engineering level as defined in claim 1, wherein: the lifting mechanism comprises a straight rack (14) embedded in the front of the ejector rod (10) and a rotating handle (15) rotatably connected to the right side of the main rod (1), a rotating shaft of the rotating handle (15) extends to the inner surface of the channel groove (9) and is fixedly connected with a gear (16), and the gear (16) is meshed with the straight rack (14).

4. A constructional engineering level as defined in claim 1, wherein: positioning mechanism is including seting up the screw hole at mobile jib (1) top left surface, the inside threaded connection of screw hole has screw top bolt (17), screw top bolt (17) are located the inside one end fixedly connected with block rubber (18) of channel groove (9).

5. A constructional engineering level as defined in claim 1, wherein: the number of the linear bearings (19) is two, the two linear bearings (19) are both installed on the surface of the ejector rod (10), and the height of the crest of the straight rack (14) on the ejector rod (10) is lower than the height of the surface of the ejector rod (10).

6. A constructional engineering level as defined in claim 1, wherein: the bottom of the support rod (3) is provided with a threaded hole for connecting with a thread and accommodating the adjusting bottom column (6).