CN212537336U

CN212537336U - Level gauge

Info

Publication number: CN212537336U
Application number: CN202021264514.5U
Authority: CN
Inventors: 王程; 赵贺; 高峰
Original assignee: Qingdao Dexantai Geotechnical Engineering Co ltd
Current assignee: Cheng'an Engineering Technology Group Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-12
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a surveyor's level belongs to engineering measurement equipment's technical field, has solved and has settled the uneven technical problem that leads to surveyor's level and horizontal plane deviation angle oversize in bottom surface, including the surveyor's level body, be equipped with the tripod on the surveyor's level body, the tripod upper end is equipped with a pair of bearing frame, and is a pair of rotate through the dead lever between the bearing frame and be connected with the mounting panel, the mounting panel top sets up the surveyor's level body, the axis of rotation perpendicular to of mounting panel the line is observed to the surveyor's level body, be equipped with the slewing mechanism who is used for adjusting mounting panel and horizontal plane contained angle. The utility model discloses have adjustment surveyor's level wide-angle deviation, the convenient effect to the level horizontal arrangement.

Description

Level gauge

Technical Field

The utility model belongs to the technical field of engineering measuring equipment's technique and specifically relates to a surveyor's level is related to.

Background

The level gauge is an instrument for measuring the height difference between two ground points by establishing a horizontal sight line, and the working principle of the level gauge is to measure the height difference between the ground points according to the leveling principle. The level is divided into a micro-inclination level, an automatic leveling level, a laser level and a digital level according to the structure; the precision level is divided into a precision level and a common level according to the precision.

Chinese patent with publication number CN207197498U authorizes a spirit level, and its technical scheme main points are including telescope, spirit level, base, be connected with the telescopic bracing piece on the base, the tip that the bracing piece deviates from the base is provided with support piece, support piece includes a plurality of supporting legs along the even diffusion of bracing piece axial direction, and is a plurality of one side that the supporting leg is close ground is provided with the pulley, and is provided with the locating part of injecing the pulley glide position on the supporting leg.

The above prior art solutions have the following drawbacks: above-mentioned surveyor's level can make the measuring line of surveyor's level and horizontal plane have great angular deviation on unevenness's subaerial, and the current automatic setting of leveling of surveyor's level is not enough to level the deviation of wide angle, has very big influence to measuring result.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a level, the wide-angle deviation that appears when its purpose adjustment level settles for on the level roughly is in the horizontal plane, the convenience is to the horizontally arrangement of level.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a surveyor's level, includes the surveyor's level body, the below is equipped with the tripod on the surveyor's level body, the tripod upper end is equipped with a pair of bearing frame, and is a pair of rotate through the dead lever between the bearing frame and be connected with the mounting panel, the mounting panel top sets up the surveyor's level body, the axis of rotation perpendicular to of mounting panel the line is observed to the surveyor's level body, be equipped with the slewing mechanism who is used for adjusting mounting panel and horizontal plane to press from both sides the angle.

Through adopting above-mentioned technical scheme, thereby slewing mechanism rotates the angle of mounting panel adjustment spirit level body and horizontal plane, after the mounting panel is roughly level, after the spirit level is roughly level, current spirit level can the angular error of automatically regulated small angle, and locking mechanism fixed mounting board makes the mounting panel no longer can rotate, guarantees the measurement accuracy of spirit level, so can settle the spirit level fast to its measurement accuracy obtains guaranteeing.

The present invention may be further configured in a preferred embodiment as: the rotating mechanism comprises a first lead screw which is vertically arranged on the tripod, is positioned on one side of the fixed rod and is rotationally connected with the tripod, a first connecting block is connected to the first lead screw in a threaded manner, a first sliding groove perpendicular to the fixed rod is formed in the mounting plate, and the first connecting block is rotationally and slidably connected with the first sliding groove through a connecting rod.

Through adopting above-mentioned technical scheme, rotate first lead screw, the first connecting block with first lead screw threaded connection translates from top to bottom along first lead screw, thereby first connecting block slides in first spout and rotates relative first spout on one side, and the mounting panel rotates around the axis of dead lever from this.

The present invention may be further configured in a preferred embodiment as: lie in the dead lever opposite side on the mounting panel and be equipped with the second spout, rotate and sliding connection has the second connecting block on the second spout, sliding connection has the guide bar that is on a parallel with first lead screw on the second connecting block.

Through adopting above-mentioned technical scheme, when the mounting panel rotated, the second connecting block was slided in the second spout on the mounting panel simultaneously on one side, and the relative second spout rotates on one side, and the direction opposite with first connecting block simultaneously is followed the guide bar translation, and the guide bar rotates the in-process at the mounting panel and provides the support direction for the mounting panel pivoted is more stable, avoids rocking of mounting panel.

The present invention may be further configured in a preferred embodiment as: and a spring sleeved on the guide rod is arranged below the second connecting block, and one end of the spring, which is far away from the second connecting block, is fixed on the tripod.

Through adopting above-mentioned technical scheme, the spring provides a buffering absorbing effect to the mounting panel for the mounting panel can not be because of rotating excessively and colliding with the tripod, and at the mounting panel rotation in-process, the spring lets the mounting panel rotate more steadily simultaneously, reduces the possibility that the mounting panel rocked.

The present invention may be further configured in a preferred embodiment as: the locking mechanism comprises a sleeve which is arranged outside the bearing seat and sleeved on the fixing rod, one side, far away from the bearing seat, of the sleeve is rotatably connected with a rotating block, the sleeve is rotatably connected with a plurality of second lead screws which are distributed along the circumference of the sleeve and point to the fixing rod, the rotating block is connected with the second lead screws through gears, the second lead screws are in threaded connection with pressing blocks which are abutted to the fixing rod, and baffles which enable the pressing blocks to only move horizontally along the second lead screws are arranged in the sleeve.

By adopting the technical scheme, after the rotating angle of the mounting plate is determined, the rotating block is rotated, the second lead screw is rotated through the gear, so that the pressing block abuts against the fixed rod, the fixed rod is fixed and does not rotate, and the mounting plate is fixed and does not rotate any more; when the mounting panel need be rotated, the turning block is rotated in the opposite direction to make second lead screw opposite direction rotate, the compact heap breaks away from the dead lever, and the mounting panel can continue to rotate from this, and the turning block is fixed with the position of the dead lever of mounting panel both sides simultaneously, makes the dead lever can only rotate, unable slip.

The present invention may be further configured in a preferred embodiment as: the rotating block is provided with a first bevel gear facing the bearing seat, the first bevel gear is engaged with a plurality of second bevel gears, and the second bevel gears are arranged on a second screw rod.

Through adopting above-mentioned technical scheme, the turning block rotates for first bevel gear drives all and first bevel gear meshing's second bevel gear and rotates, and second bevel gear drives the second lead screw and rotates, makes the compact heap follow the translation of second lead screw, from this the compact heap can butt the dead lever and break away from the dead lever.

The present invention may be further configured in a preferred embodiment as: the bearing seat is provided with an angle scale perpendicular to the fixed rod, the axis of the fixed rod penetrates through the circle center of the angle scale, and one side of the mounting plate, which is close to the angle scale, is provided with a pointer pointing to the scale on the angle scale.

By adopting the technical scheme, the scales on the angle scale pointed by the pointer can calculate the rotating angle of the mounting plate after the mounting plate rotates, so that the observed plane of the level can be calculated, and the measuring accuracy of the level is improved.

The present invention may be further configured in a preferred embodiment as: the three supporting legs of tripod are connected with the upper end of tripod in a rotating way, and the bottom ends of the supporting legs are set to be conical.

Through adopting above-mentioned technical scheme, the supporting leg is rotatable to let the shared space of tripod diminish for the transportation of tripod becomes convenient, and the taper setting of supporting leg bottom lets in the tripod pegs graft the ground more easily, makes the support of tripod more stable.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rotating mechanism can adjust large-angle deviation generated when the level is placed, so that the level is approximately positioned on a horizontal plane, and the level can be conveniently placed horizontally;

2. the locking mechanism prevents the mounting plate from rotating randomly, so that the influence of the rotation of the mounting plate on the measurement of the level gauge is avoided, and the measurement accuracy is improved;

3. the articulated supporting leg can reduce the shared space of tripod when the tripod is accomodate on the tripod, improves its convenience.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic structural view of the tripod in fig. 1.

FIG. 3 is a schematic view of the structure of one side of the guide bar in the embodiment.

Fig. 4 is a schematic view of the structure of the interior of the sleeve.

In the figure, 1, a level body; 2. mounting a plate; 21. fixing the rod; 22. a bearing seat; 23. a first groove; 231. a first chute; 24. a second groove; 241. a second chute; 25. a support frame; 26. a pointer; 3. a rotating mechanism; 31. a first lead screw; 32. a first connection block; 321. a connecting rod; 33. a guide bar; 331. a second connecting block; 332. a spring; 4. a locking mechanism; 41. a sleeve; 411. a baffle plate; 42. rotating the block; 421. a first bevel gear; 43. rotating the rod; 431. a second bevel gear; 432. a second lead screw; 433. a compression block; 44. an angle scale; 5. a tripod; 51. a support plate; 52. supporting legs; 53. and a limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a level, including level body 1, level body 1 below is fixed with mounting panel 2, and mounting panel 2 is on a parallel with level body 1's both sides and is fixed with a pair of dead lever 21 of a pair of perpendicular to level body 1. A pair of bearing seats 22 are rotatably connected to the pair of fixing rods 21, and the mounting plate 2 is rotatably connected between the pair of bearing seats 22 through the pair of fixing rods 21. A tripod 5 is fixed below the pair of bearing seats 22, the tripod 5 comprises a support plate 51 fixed below the pair of bearing seats 22, and support legs 52 uniformly distributed along the circumference are hinged below the support plate 51. A circle of limiting plate 53 for limiting the rotation angle of the supporting leg 52 is fixed below the supporting plate 51, and the bottom of the supporting plate is conical. Be equipped with the slewing mechanism 3 that is used for adjusting the angle that mounting panel 2 and horizontal plane pressed from both sides on the mounting panel 2, thereby be equipped with fixed mounting panel 2 on the mounting panel 2 simultaneously and make mounting panel 2 can not pivoted locking mechanism 4.

When tripod 5 supported at unevenness subaerial, surveyor's level body 1 had great contained angle with the horizontal plane, thereby slewing mechanism 3 rotated mounting panel 2 and adjusted the angle of surveyor's level body 1 and horizontal plane this moment. After the mounting plate 2 is roughly horizontal, after the spirit level is roughly horizontal, the existing spirit level can automatically adjust the angle error of a small angle, the mounting plate 2 is fixed by the locking mechanism 4 so that the mounting plate 2 can not rotate any more, the mounting plate 2 is prevented from being rotated due to the weight of the spirit level body 1, and the measuring result is accurate.

Referring to fig. 1 and 3, the rotating mechanism 3 includes a first lead screw 31 vertically disposed on the tripod 5 on one side of the fixing rod 21 and rotatably connected to the tripod 5, a first connecting block 32 is screwed on the first lead screw 31, and a pair of connecting rods 321 parallel to the fixing rod 21 are fixed on both sides of the first connecting block 32. The mounting plate 2 is provided with a first groove 23 for inserting the first connecting block 32, a pair of side surfaces perpendicular to the connecting rod 321 in the first groove 23 are respectively provided with a same first sliding groove 231, the sliding grooves and the connecting rod 321 are on the same horizontal plane, and the connecting rod 321 and the first sliding groove 231 rotate and are connected in a sliding manner.

Two second grooves 24 parallel to the first groove 23 and distributed on two sides of the mounting plate 2 are arranged on the other side of the fixing rod 21 on the mounting plate 2, and second sliding grooves 241 parallel to the first sliding grooves 231 are arranged in the two second grooves 24. The second connecting block 331 is rotatably and slidably connected to the second sliding groove 241 through a connecting rod 321, the guide rod 33 parallel to the first lead screw 31 is slidably connected to the second connecting block 331, and the guide rod 33 is fixed to the support plate 51. A spring 332 sleeved on the guide rod 33 is fixed below the second connecting block 331, and one end of the spring 332 far away from the second connecting block 331 is fixed on the support plate 51.

The supporting plate 51 is fixed with the supporting frame 25, the upper end of the first lead screw 31 penetrates through the supporting frame 25 and is rotatably connected with the supporting frame 25, the supporting frame 25 is simultaneously and fixedly connected with the upper ends of the pair of guide rods 33, and the supporting frame 25 supports the first lead screw 31 and the pair of guide rods 33.

When the first lead screw 31 is rotated, the first link block 32 screwed to the first lead screw translates up and down along the first lead screw 31, and the first link block 32 slides in the first slide groove 231 and rotates relative to the first slide groove 231, whereby the mounting plate 2 rotates around the axis of the fixing rod 21. When the mounting plate 2 rotates, the second connecting block 331 slides in the second sliding slot 241 of the mounting plate 2 and rotates relative to the second sliding slot 241, and simultaneously translates along the guide rod 33 in the direction opposite to the first connecting block 32, and the guide rod 33 provides support and guide for the mounting plate 2 during the rotation of the mounting plate 2. The spring 332 provides a cushioning effect to the mounting plate 2, so that the mounting plate 2 does not collide with the tripod 5 due to over-rotation, and meanwhile, in the rotating process of the mounting plate 2, the spring 332 makes the mounting plate 2 rotate more stably.

Referring to fig. 3 and 4, the locking mechanism 4 includes a sleeve 41 disposed on a side of the bearing seat 22 away from the mounting plate 2 and sleeved on the fixing rod 21, and a rotating block 42 is rotatably connected to a side of the sleeve 41 away from the bearing seat 22. One of the sleeves 41 is rotatably connected with a pair of second lead screws 432 which are opposite and point to the fixing rod 21, the thread pitches of the pair of second lead screws are the same but the turning directions are opposite, the second lead screw 432 is connected with a pressing block 433 which is abutted to the fixing rod 21 in a threaded manner, and a pair of baffles 411 which enable the pressing block 433 to only move horizontally along the second lead screw 432 are fixed in the sleeves 41.

A rotating rod 43 parallel to the second lead screw 432 is fixed on one end of the second lead screw 432 away from the fixing rod 21, and the rotating rod 43 passes through the sleeve 41 to the outside of the sleeve 41. A first bevel gear 421 facing the bearing seat 22 is fixed on the rotating block 42, two second bevel gears 431 are meshed with the first bevel gear 421, the second bevel gears 431 are fixed on the rotating rod 43, and the axis of the rotating rod 43 is overlapped with the circle centers of the second bevel gears 431.

After the rotation angle of the mounting plate 2 is determined, the rotating block 42 is rotated, the first bevel gear 421 drives the two second bevel gears 431 to rotate, the two second bevel gears 431 enable the two second lead screws 432 to rotate oppositely through the rotating rod 43, so that the two pressing blocks 433 move relatively close to each other until the two pressing blocks abut against the fixing rod 21, the fixing rod 21 is fixed and does not rotate, and the mounting plate 2 is fixed and does not rotate any more;

when the mounting plate 2 needs to be rotated, the rotating block 42 is rotated reversely, so that the second lead screw 432 rotates reversely, the pressing block 433 is separated from the fixing rod 21, the mounting plate 2 can continue to rotate, and meanwhile, the rotating block 42 fixes the positions of the fixing rods 21 on two sides of the mounting plate 2, so that the fixing rod 21 can only rotate and cannot slide.

An angle scale 44 perpendicular to the fixing rod 21 is fixed on the other sleeve 41, and the axis of the fixing rod 21 passes through the center of the angle scale 44. A pointer 26 pointing to the scale on the angle scale 44 is fixed on the side of the mounting plate 2 close to the angle scale 44.

The scale on the angle scale 44 to which the pointer 26 points enables the angle at which the mounting plate 2 rotates to be calculated after the mounting plate 2 rotates, so that the plane of the level to be observed can be calculated, improving the measurement accuracy of the level.

The implementation principle of the embodiment is as follows: the first screw rod is rotated, the first connecting block 32 translates up and down to adjust the angle of the mounting plate 2, so that the mounting plate 2 is horizontal, then the rotating block 42 is rotated, the rotating block 42 drives the second bevel gear 431 to rotate through the first bevel gear 421, the second bevel gear 431 rotates the second screw rod 432 through the connecting rod 321, the second screw rod 432 rotates, so that the pressing block 433 moves along the second screw rod 432 and abuts against the fixing rod 21 and the fixing rod 21, so that the mounting plate 2 does not rotate; when the angle of the mounting plate 2 needs to be adjusted again, the rotating block 42 is rotated reversely, so that the pressing block 433 is separated from the fixed rod 21, and the angle of the mounting plate 2 can be adjusted again.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a level, includes level body (1), level body (1) below is equipped with tripod (5), its characterized in that: tripod (5) upper end is equipped with a pair of bearing frame (22), and is a pair of rotate through dead lever (21) between bearing frame (22) and be connected with mounting panel (2), mounting panel (2) top sets up spirit level body (1), the axis of rotation perpendicular to of mounting panel (2) the line is observed in spirit level body (1), be equipped with slewing mechanism (3) that are used for adjusting mounting panel (2) and horizontal plane and press from both sides the angle on mounting panel (2), be equipped with locking mechanism (4) on mounting panel (2).

2. A spirit level according to claim 1, in which: slewing mechanism (3) including vertical setting on tripod (5) lie in dead lever (21) one side and rotate first lead screw (31) of being connected with tripod (5), threaded connection has first connecting block (32) on first lead screw (31), be equipped with first spout (231) of perpendicular to dead lever (21) on mounting panel (2), first connecting block (32) rotate and sliding connection through connecting rod (321) and first spout (231).

3. A spirit level according to claim 2, in which: lie in dead lever (21) opposite side on mounting panel (2) and be equipped with second spout (241), rotate and sliding connection has second connecting block (331) on second spout (241), sliding connection has guide bar (33) that is on a parallel with first lead screw (31) on second connecting block (331).

4. A spirit level according to claim 3, in which: a spring (332) sleeved on the guide rod (33) is arranged below the second connecting block (331), and one end, far away from the second connecting block (331), of the spring (332) is fixed on the tripod (5).

5. A spirit level according to claim 1, in which: locking mechanism (4) are including setting up sleeve (41) in the bearing frame (22) outside and cover on dead lever (21), one side of keeping away from bearing frame (22) on sleeve (41) is rotated and is connected with turning block (42), it is connected with a plurality of second lead screw (432) along sleeve (41) circumference distribution and directional dead lever (21) to rotate on sleeve (41), turning block (42) are connected with second lead screw (432) through the gear, threaded connection has compact heap (433) of butt on dead lever (21) on second lead screw (432), be equipped with baffle (411) that make compact heap (433) only can follow second lead screw (432) translation in sleeve (41).

6. A spirit level according to claim 5, in which: the rotating block (42) is provided with a first bevel gear (421) facing the bearing seat (22), the first bevel gear (421) is engaged with a second bevel gear (431), the second bevel gear (431) is in threaded connection with a second lead screw (432), and the second bevel gear (431) is in rotating connection with the sleeve (41).

7. A spirit level according to claim 1, in which: an angle scale (44) perpendicular to the fixing rod (21) is arranged on the bearing seat (22), the axis of the fixing rod (21) penetrates through the circle center of the angle scale (44), and a pointer (26) pointing to the scale on the angle scale (44) is arranged on one side, close to the angle scale (44), of the mounting plate (2).

8. A spirit level according to claim 1, in which: three supporting legs (52) of the tripod are rotatably connected with the upper end of the tripod (5), and the bottom ends of the supporting legs (52) are arranged to be conical.