CN219550157U

CN219550157U - Level gauge for civil engineering measurement

Info

Publication number: CN219550157U
Application number: CN202320605240.9U
Authority: CN
Inventors: 万翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-18
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of civil engineering measurement, in particular to a leveling instrument for civil engineering measurement, which comprises a bottom plate, wherein a threaded sleeve is rotationally connected to the center of the top surface of the bottom plate, and a worm wheel is fixedly connected to the bottom of the outer wall of the threaded sleeve. The utility model has the advantages that: the worm wheel can be driven to rotate through the rotating worm, thereby driving the screw rod to lift up and down through the thread transmission, thereby realizing the adjustment of height, moreover, such adjustment mode is easy and convenient to operate, only need single hand to rotate the worm and just can realize, moreover, can adjust the optional position in the lead screw length scope, the adjustment position is more nimble, the worm has the locking effect to the worm wheel, the thread transmission also has certain stable effect simultaneously, make the position automatic locking after the adjustment, and it is stable firm, can adjust the extension length of four flexible landing legs through rotating adjusting nut, adjust the supporting height in four corners, can control the leveling through observing the level bubble appearance, be convenient for use on uneven land.

Description

Level gauge for civil engineering measurement

Technical Field

The utility model relates to the technical field of civil engineering measurement, in particular to a leveling instrument for civil engineering measurement.

Background

The level gauge is an instrument for measuring the height difference between two points of the ground by establishing a horizontal sight line. In the chinese utility model CN215722224U, a supporting component is set on the whole device, when in use, a plurality of sliding grooves are set on the upper end of the base, the connecting column is inserted in the lower end of the upright post, the sliding block is sleeved in the middle of the outer surface of the connecting column, the sliding block is slidingly connected in the sliding groove, the movable column is movably sleeved on the upright post, the movable column is connected on the outer surface of the connecting ring, when the connecting seat is adjusted, the sliding block adjusts the use distance of the sliding block according to the height required to be adjusted, so that the flexibility of the supporting frame is improved, and the use efficiency is improved, but the civil engineering measuring level has the following defects in practical use:

this level for civil engineering measurement, its high regulation time need one hand rotate the regulation handle, and the other hand inserts the bolt, and the operation is inconvenient, still need aim at the operation when inserting the bolt in addition, and its high regulation is nimble inadequately simultaneously, can only adjust to the specific several high positions of seting up spacing hole, has the limitation.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a leveling instrument for civil engineering measurement, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a leveling instrument for civil engineering measurement, including a bottom plate, a threaded sleeve is rotatably connected at a center of a top surface of the bottom plate, a worm wheel is fixedly connected at a bottom of an outer wall of the threaded sleeve, two edge positions on one side of a bottom surface of the bottom plate are fixedly connected with connecting lugs, two center positions of bottom parts of the connecting lugs are rotatably connected with a worm together, a middle part of the worm is meshed with the worm wheel, a screw is rotatably connected with an inner wall of the threaded sleeve, a mounting seat is fixedly connected with a top of the screw, a rotating seat is rotatably connected with a top of the rotating seat, a leveling instrument is fixedly connected with a top of the rotating seat, a plurality of second hinges are fixedly connected with a side surface of the mounting seat, one sides of the second hinges are fixedly connected with telescopic links, one ends of the telescopic links, which are far away from the second hinges, are fixedly connected with first hinges, the first hinges and the edge positions of the top surface of the bottom plate, and two ends of the telescopic links are rotatably connected with the bottom plate and the mounting seat respectively through the first hinges and the second hinges.

By the preferred four corners of above-mentioned arbitrary scheme bottom surface all fixedly connected with direction sleeve, the center department of direction sleeve bottom rotates and is connected with adjusting nut, adjusting nut's inner wall threaded connection has flexible landing leg, the top fixedly connected with guide block of flexible landing leg, the bottom fixedly connected with of flexible landing leg thorns fixedly, guide block and direction sleeve's inner wall sliding connection.

The technical effect achieved by adopting the scheme is as follows: the extending lengths of the four telescopic supporting legs can be adjusted by rotating the adjusting nuts, so that the supporting heights of the four corners are adjusted to be leveled.

By above-mentioned arbitrary scheme preferred, one end of worm runs through a side of engaging lug, one end fixedly connected with rotating head of worm through engaging lug, the anti-skidding line has been seted up to the side of rotating head.

The technical effect achieved by adopting the scheme is as follows: the rotating worm is convenient to hold by the rotating head so as to adjust.

By the preferred in above-mentioned scheme, the length of flexible landing leg and the degree of depth looks adaptation of guide sleeve inner wall, fixedly thorn's top fixedly connected with baffle, the marginal fixedly connected with of bottom plate top surface a plurality of horizontal bubble appearance.

The technical effect achieved by adopting the scheme is as follows: the depth of the fixed ground thorns inserted into the soil can be controlled through the baffle, the insertion is prevented from being too deep, the inclination is caused, meanwhile, whether the bottom plate is leveled or not is conveniently observed through the horizontal bubble instrument, and the horizontal bubble instrument adopts the bubble instrument with the circle center aligned, so that whether the bottom plate is leveled or not is conveniently observed at the same time.

By any of the above schemes, preferably, the telescopic rods are distributed in an annular array around the circle center of the mounting seat, the length of the telescopic rods after shrinkage is not greater than the horizontal distance between the first hinge and the second hinge, and the bottom of the screw rod in the maximum extension length of the telescopic rods is not separated from the threaded sleeve.

The technical effect achieved by adopting the scheme is as follows: when the mounting seat is placed at the lowest position, the telescopic rod can be completely retracted and leveled to prevent interference, and meanwhile, the maximum extending position of the screw rod can be limited through the telescopic rod to prevent the screw rod from being separated from the threaded sleeve.

In any of the above embodiments, it is preferable that the length of the screw is not longer than the length of the guide sleeve.

The technical effect achieved by adopting the scheme is as follows: when the installation seat is prevented from being adjusted to the lowest position, the bottom of the screw rod exceeds the bottom of the guide sleeve, and interference caused by jacking to the ground is prevented.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this level for civil engineering measurement can drive the worm wheel through rotating the worm and rotate to drive the lead screw oscilaltion through screw drive, thereby realize high regulation, such regulation mode easy operation is convenient moreover, only needs the one hand to rotate the worm and just can realize, can adjust the optional position in the lead screw length scope moreover, and the adjustment position is more nimble, and the worm has the locking effect to the worm wheel simultaneously, and screw drive also has certain stable effect simultaneously, thereby makes the position automatic locking after the regulation, and is stable firm.

2. This level for civil engineering measurement can adjust the length of stretching out of four flexible landing legs through rotating adjusting nut to adjust the supporting height in four corners, can control the leveling through observing the level bubble appearance, be convenient for use on uneven ground.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model.

In the figure: the device comprises a base plate 1, a guide sleeve 2, a regulating nut 3, a telescopic support leg 4, a fixed thorn 5, a threaded sleeve 6, a lead screw 7, a mounting seat 8, a rotating seat 9, a leveling instrument 10, a first hinge 11, a second hinge 12, a connecting lug 13, a rotating head 14, a horizontal bubble instrument 15, a telescopic rod 16, a worm 17, a guide block 18 and a worm wheel 19.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 3, a leveling instrument for civil engineering measurement comprises a bottom plate 1, a threaded sleeve 6 is rotationally connected to the center of the top surface of the bottom plate 1, a worm wheel 19 is fixedly connected to the bottom of the outer wall of the threaded sleeve 6, two edge positions on one side of the bottom surface of the bottom plate 1 are fixedly connected with connecting lugs 13, a worm 17 is rotationally connected to the center of the bottom of the two connecting lugs 13, the middle part of the worm 17 is meshed with the worm wheel 19, a screw rod 7 is rotationally connected to the inner wall of the threaded sleeve 6, a mounting seat 8 is fixedly connected to the top of the screw rod 7, a rotating seat 9 is rotationally connected to the top of the mounting seat 8, a leveling instrument 10 is fixedly connected to the top of the rotating seat 9, a plurality of second hinges 12 are fixedly connected to the side surfaces of the mounting seat 8, one sides of the second hinges 12 are fixedly connected with telescopic rods 16, one ends of the telescopic rods 16, which are far away from the second hinges 12, are fixedly connected to first hinges 11, the two ends of the telescopic rods 16 are rotationally connected to the bottom plate 1 and the mounting seat 8 through the first hinges 11 and the second hinges 12 respectively.

As an alternative technical scheme of the utility model, four corners of the bottom surface of the bottom plate 1 are fixedly connected with the guide sleeve 2, the center of the bottom of the guide sleeve 2 is rotationally connected with the adjusting nut 3, the inner wall of the adjusting nut 3 is in threaded connection with the telescopic supporting leg 4, the top of the telescopic supporting leg 4 is fixedly connected with the guide block 18, the bottom of the telescopic supporting leg 4 is fixedly connected with the fixed ground thorn 5, the guide block 18 is in sliding connection with the inner wall of the guide sleeve 2, and the extending lengths of the four telescopic supporting legs 4 can be adjusted by rotating the adjusting nut 3, so that the supporting heights of the four corners are adjusted to be leveled.

As an alternative technical scheme of the utility model, one end of the worm 17 penetrates through one side surface of the connecting lug 13, one end of the worm 17 penetrating through the connecting lug 13 is fixedly connected with the rotating head 14, the side surface of the rotating head 14 is provided with anti-skid lines, and the worm 17 is conveniently held and rotated through the rotating head 14 so as to be convenient to adjust.

As an alternative technical scheme of the utility model, the length of the telescopic supporting leg 4 is matched with the depth of the inner wall of the guide sleeve 2, the top of the fixed thorn 5 is fixedly connected with a baffle plate, the edge of the top surface of the bottom plate 1 is fixedly connected with a plurality of horizontal bubble meters 15, the depth of the fixed thorn 5 inserted into soil can be controlled through the baffle plate, the inclination caused by the over-deep insertion is prevented, meanwhile, the bottom plate 1 is conveniently observed to be leveled through the horizontal bubble meters 15, and the horizontal bubble meters 15 adopt bubble meters with aligned circle centers so as to be convenient for simultaneously observing whether the leveling is performed or not.

As an alternative technical scheme of the utility model, the telescopic rods 16 are distributed in an annular array around the circle center of the mounting seat 8, the contracted length of the telescopic rods 16 is not larger than the horizontal distance between the first hinge 11 and the second hinge 12, the bottom of the screw rod 7 is not separated from the threaded sleeve 6 in the maximum extension length of the telescopic rods 16, so that when the mounting seat 8 falls to the lowest position, the telescopic rods 16 can be completely contracted and flattened to prevent interference, and meanwhile, the maximum extension position of the screw rod 7 can be limited through the telescopic rods 16 to prevent the screw rod from being separated from the threaded sleeve 6.

As an alternative solution of the present utility model, the length of the screw rod 7 is not greater than the length of the guide sleeve 2, so as to prevent the bottom of the screw rod 7 from exceeding the bottom of the guide sleeve 2 and from interfering with the ground when the mounting seat 8 is adjusted to the lowest position.

A level gauge for civil engineering measurement has the following working principle:

1) Firstly, the adjusting nuts 3 are rotated to adjust the extending lengths of the four telescopic supporting legs 4, so that the supporting heights of four corners are adjusted, and the bottom plate 1 is controlled to be leveled by observing the horizontal bubble instrument 15;

2) Then, the worm 17 is rotated to drive the worm wheel 19 to rotate, so that the screw rod 7 is driven to lift up and down through screw transmission, and the leveling measurer 10 is adjusted to a required height;

3) The level may be observed by the leveling instrument 10.

To sum up, this level for civil engineering measurement can drive worm wheel 19 through rotating worm 17 and rotate, thereby drive lead screw 7 oscilaltion through screw drive, thereby realize high regulation, and such regulation mode operation is simple and convenient, only need single hand rotate worm 17 just can realize, and can adjust the optional position in the lead screw 7 length scope, the adjustment position is more nimble, worm 17 has the locking effect to worm wheel 19 simultaneously, screw drive also has certain stable effect, thereby make the position automatic locking after adjusting, and it is stable firm, the rethread rotates adjusting nut 3 can adjust the extension length of four flexible landing legs 4, thereby adjust the supporting height in four corners, can control the leveling through observing level bubble appearance 15, be convenient for use on uneven soil.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a civil engineering is surveyed and is used level gauge which characterized in that: including bottom plate (1), the center department of bottom plate (1) top surface rotates and is connected with screw sleeve (6), the bottom fixedly connected with worm wheel (19) of screw sleeve (6) outer wall, two marginal positions of bottom surface one side of bottom plate (1) are all fixedly connected with engaging lug (13), and two the center department of engaging lug (13) bottom rotates jointly and is connected with worm (17), the middle part and the worm wheel (19) meshing of worm (17), the inner wall threaded connection of screw sleeve (6) has lead screw (7), the top fixedly connected with mount pad (8) of lead screw (7), the top rotation of mount pad (8) is connected with rotation seat (9), the top fixedly connected with level gauge (10) of rotation seat (9), the side fixedly connected with a plurality of second hinges (12), the one side of a plurality of second hinges (12) is all fixedly connected with telescopic link (16), the one end fixedly connected with first hinge (11) of telescopic link (16) keeping away from second hinge (12), the top surface fixedly connected with of first hinge (11) and bottom plate (1), the two ends of the telescopic rod (16) are respectively connected with the bottom plate (1) and the mounting seat (8) in a rotating way through the first hinge (11) and the second hinge (12).

2. The level for civil engineering measurement according to claim 1, wherein: the four corners of bottom plate (1) bottom surface are all fixedly connected with guide sleeve (2), the center department rotation of guide sleeve (2) bottom is connected with adjusting nut (3), the inner wall threaded connection of adjusting nut (3) has flexible landing leg (4), the top fixedly connected with guide block (18) of flexible landing leg (4), the bottom fixedly connected with of flexible landing leg (4) is stabbed (5), the inner wall sliding connection of guide block (18) and guide sleeve (2).

3. The level for civil engineering measurement according to claim 2, wherein: one end of the worm (17) penetrates through one side face of the connecting lug (13), one end of the worm (17) penetrating through the connecting lug (13) is fixedly connected with a rotating head (14), and anti-slip lines are formed in the side face of the rotating head (14).

4. A level for civil engineering survey according to claim 3, wherein: the length of the telescopic supporting leg (4) is matched with the depth of the inner wall of the guide sleeve (2), a baffle is fixedly connected to the top of the fixed ground thorn (5), and a plurality of horizontal bubble meters (15) are fixedly connected to the edge of the top surface of the bottom plate (1).

5. The level for civil engineering measurement according to claim 4, wherein: the telescopic rods (16) are distributed around the circle center of the mounting seat (8) in an annular array mode, the length of the telescopic rods (16) after shrinkage is not larger than the horizontal distance between the first hinge (11) and the second hinge (12), and the bottom of the screw rod (7) in the maximum extension length of the telescopic rods (16) is not separated from the threaded sleeve (6).

6. The level for civil engineering measurement according to claim 5, wherein: the length of the screw rod (7) is not greater than the length of the guide sleeve (2).