CN211059642U

CN211059642U - Level placing frame

Info

Publication number: CN211059642U
Application number: CN201921937716.9U
Authority: CN
Inventors: 刘娟华; 施伟; 姜永
Original assignee: Shanghai Jingshuo Construction Development Co ltd
Current assignee: Shanghai Jingshuo Construction Development Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-21
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a level placing rack, which comprises a placing box for installing a level and three supporting legs arranged at the bottom of the placing box; the placing box is provided with a cover plate, the cover plate is fixed with the level base, and the upper ends of the supporting legs are hinged with the bottom of the placing box; a height adjusting device is arranged in the placing box and comprises a telescopic column, a rotating sleeve, a threaded rod and a rotating hand wheel; the telescopic column is fixed between the bottom surface of the cover plate and the bottom surface of the placing box; the rotating sleeve vertically penetrates through the inner bottom surface and the bottom surface of the placing box and is rotationally connected with the placing box, the upper end of the threaded rod is fixed with the bottom surface of the cover plate, and the lower end of the threaded rod penetrates into the rotating sleeve and is in threaded connection with the inner side wall of the rotating sleeve; the rotating hand wheel is arranged at the bottom of the placing box and fixed with one end of the rotating sleeve penetrating out of the bottom surface of the placing box. The utility model has the advantages of it is following and effect: this rack avoids operating personnel to adjust the operation of rack landing leg with the lift spirit level, and the operation degree of difficulty is little, facilitates the use.

Description

Level placing frame

Technical Field

The utility model relates to a building survey field, in particular to surveyor's level rack.

Background

The level gauge is an instrument for measuring the height difference between two ground points by establishing a horizontal sight line, the principle is to measure the height difference between the ground points according to the leveling principle, and main components of the level gauge are expected to be a telescope, a pipe level gauge (or a compensator), a vertical shaft, a base, a foot screw, a slightly inclined screw and the like. Current surveyor's level bottom is equipped with the rack usually, and this type of rack is equipped with three landing legs usually for support the surveyor's level, a lot of rack structures are simple and easy, thereby often need the corner of three landing legs of operating personnel to adjust the high function that realizes adjusting the surveyor's level, and the operation degree of difficulty is big.

Therefore, need a surveyor's level rack urgently, this rack avoids operating personnel to adjust the operation of rack landing leg with the lift surveyor's level, and the operation degree of difficulty is little, facilitates the use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a level rack, this rack avoids operating personnel to adjust the operation of rack landing leg with the lift level, and the operation degree of difficulty is little, facilitates the use.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a level placing frame comprises a placing box for mounting a level and three supporting legs arranged at the bottom of the placing box; the placing box is provided with a cover plate, the cover plate is fixed with the level base, and the upper end of the supporting leg is hinged with the bottom of the placing box; a height adjusting device is arranged in the placing box and comprises a telescopic column, a rotating sleeve, a threaded rod and a rotating hand wheel; the telescopic column is fixed between the bottom surface of the cover plate and the bottom surface of the placing box; the rotary sleeve vertically penetrates through the inner bottom surface and the bottom surface of the placing box and is rotatably connected with the placing box, the upper end of the threaded rod is fixed with the bottom surface of the cover plate, and the lower end of the threaded rod penetrates into the rotary sleeve and is in threaded connection with the inner side wall of the rotary sleeve; the rotating hand wheel is arranged at the bottom of the placing box and fixed with one end of the rotating sleeve penetrating out of the bottom surface of the placing box.

Through adopting above-mentioned technical scheme, after operating personnel strutted three landing legs, operating personnel rotated the rotation hand wheel, and the drive rotates the cover and rotates for with the vertical removal of the threaded rod that rotates cover screw-thread fit, thereby drive the vertical removal of apron, adjusted the height of surveyor's level on the apron, this operation process need not operating personnel and adjusts the rack landing leg with the lift surveyor's level, and operation process only need rotate the rotation hand wheel, the operation degree of difficulty is little, facilitates the use.

The utility model discloses further set up to, flexible post is including being fixed in place flexible cover, sliding connection on the box inner bottom surface in sliding block in the flexible cover, be fixed in spacing collar piece and the telescopic link of flexible cover upper end, the telescopic link upper end with the apron bottom surface is fixed, the telescopic link lower extreme passes in proper order the spacing collar piece with flexible cover upper end opening and with the sliding block is fixed, just spacing collar piece internal diameter is less than the flexible cover internal diameter.

Through adopting above-mentioned technical scheme, when the apron for placing box vertical migration, the apron drives telescopic link vertical migration for the sliding block slides for the telescope tube, thereby has led the moving direction of apron.

The utility model discloses further set up to, the apron bottom surface with place and be fixed with the elasticity big envelope between the box opening terminal surface.

Through adopting above-mentioned technical scheme, the elastic envelope has sealed the clearance of placing between box and the apron, prevents that external debris from getting into and placing the box in and influence the lift of apron.

The utility model is further arranged in that a rotating groove is arranged on the bottom surface of the placing box, a tapered roller bearing is arranged in the rotating groove, and the outer wall of the tapered roller bearing is welded and fixed with the inner wall of the rotating groove; the rotating sleeve penetrates through the tapered roller bearing, and the outer side wall of the rotating sleeve is fixedly welded with the inner wall of the tapered roller bearing.

Through adopting above-mentioned technical scheme, it is fixed with the tapered roller bearing inner wall that rotates inslot fixed to rotate the cover lateral wall to make and rotate the cover and place the box and rotate and be connected, and tapered roller bearing can bear the axial counter-force of threaded rod to the rotating sleeve.

The utility model discloses further set up to, it is fixed with the environment to place the box bottom surface rotate the guard ring that the hand wheel set up.

Through adopting above-mentioned technical scheme, the contact of landing leg with the rotation hand wheel has been prevented in the setting of guard ring, and the guard ring has limiting displacement to the turned angle of landing leg.

The utility model is further provided with an adjusting groove arranged on the side wall of the supporting leg, the length direction of the adjusting groove is consistent with that of the supporting leg, and a leg tip is arranged in the adjusting groove; the inner wall of the adjusting groove is provided with a plurality of mounting grooves, and the mounting grooves are arranged along the length direction of the adjusting groove; and a fastening bolt is arranged on the leg tip, and the end part of the fastening bolt penetrates through the leg tip and is in threaded fit with the inner wall of the mounting groove.

Through adopting above-mentioned technical scheme, the leg point sets up in the adjustment tank and fixed through a plurality of mounting groove inner walls of fastening bolt and adjustment tank, has adjusted the distance that the leg point stretches out the landing leg to the overall length of landing leg has been adjusted.

The utility model discloses further set up to, be equipped with spacing rope on the landing leg, spacing rope both ends respectively with adjacent two the landing leg is fixed.

Through adopting above-mentioned technical scheme, the setting of spacing rope has prevented that landing leg turned angle is too big and collapse.

The utility model discloses further set up to, be fixed with first connecting rope and second on the landing leg and connect the rope, first connecting rope with the second is connected the rope and is all set up in one on the landing leg.

Through adopting above-mentioned technical scheme, when the surveyor's level used to finish, operating personnel closed the rack landing leg, then was connected the rope with first connecting rope and second and encircles three landing legs and fasten to make three landing legs firm, convenient transport.

To sum up, the utility model discloses a beneficial technological effect does:

after an operator struts the three support legs, the operator rotates the rotating hand wheel to drive the rotating sleeve to rotate, so that the threaded rod in threaded fit with the rotating sleeve vertically moves, the cover plate is driven to vertically move, the height of the level gauge on the cover plate is adjusted, the operator does not need to adjust the support legs of the placing rack to lift the level gauge in the operation process, and only the rotating hand wheel needs to be rotated in the operation process, so that the operation difficulty is small, and the use is convenient;

the outer side wall of the rotating sleeve is fixed with the inner wall of a tapered roller bearing fixed in the rotating groove, so that the rotating sleeve is rotatably connected with the placing box, and the tapered roller bearing can bear the axial counter force of the threaded rod to the rotating sleeve;

the leg tips are arranged in the adjusting grooves and fixed with the inner walls of the plurality of mounting grooves in the adjusting grooves through the fastening bolts, and the distance that the leg tips extend out of the legs is adjusted, so that the total length of the legs is adjusted.

Drawings

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

FIG. 2 is a schematic view of the construction of the height adjustment device;

fig. 3 is a schematic structural view of the leg.

In the figure: 1. placing the box; 11. a rotating groove; 12. a tapered roller bearing; 13. a guard ring; 2. a cover plate; 3. a height adjusting device; 31. a telescopic column; 311. a telescopic sleeve; 312. a slider; 313. a limiting ring block; 314. a telescopic rod; 32. rotating the sleeve; 33. a threaded rod; 34. rotating a hand wheel; 4. a support leg; 41. an adjustment groove; 42. a leg tip; 43. mounting grooves; 44. fastening a bolt; 45. a first connecting rope; 46. a second connecting rope; 47. a limiting rope; 5. an elastic cuff.

Detailed Description

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

As shown in fig. 1, the level placing rack comprises a placing box 1, a cover plate 2, a height adjusting device 3 and supporting legs 4. The placing box 1 is of a circular box-shaped structure, and an opening of the placing box is arranged upwards. The cover plate 2 is a circular plate-shaped structure, the upper surface of the cover plate is fixed with a base of the existing level, and the axis of the cover plate 2 coincides with the axis of the placing box 1. An elastic sleeve 5 is arranged between the cover plate 2 and the placing box 1, the section of the elastic sleeve 5 is circular and is made of elastic rubber materials, the upper end of the elastic sleeve 5 is fixed with the bottom surface of the sealing cover, and the lower end of the elastic sleeve 5 is fixed with the surface of the opening of the placing box 1.

As shown in fig. 1 and 2, the height adjusting device 3 includes a telescopic column 31, a rotating sleeve 32, a threaded rod 33, and a rotating handwheel 34, and the telescopic column 31 includes a telescopic sleeve 311, a sliding block 312, a limiting ring block 313, and a telescopic rod 314. The telescopic sleeve 311 is in a circular tube shape, the axis of the telescopic sleeve 311 is vertical, the telescopic sleeve 311 is arranged in the placing box 1, and the lower end of the telescopic sleeve 311 is fixed with the inner bottom surface of the placing box 1. The sliding block 312 is a circular block and is disposed in the telescopic sleeve 311, and the side wall of the sliding block 312 is slidably engaged with the inner side wall of the telescopic sleeve 311. The limiting ring block 313 is of a circular block-shaped structure, the axis of the limiting ring block 313 coincides with the axis of the telescopic sleeve 311, the limiting ring block 313 is arranged at the top of the telescopic sleeve 311 and fixed with the upper end of the telescopic sleeve 311, and the diameter of the inner wall of the limiting ring block 313 is smaller than the inner diameter of the telescopic sleeve 311. The telescopic rod 314 is in a round rod shape, the axis of the telescopic rod 314 coincides with the axis of the telescopic sleeve 311, one end of the telescopic rod 314 is fixed with the bottom surface of the cover plate 2, the other end of the telescopic rod 314 penetrates through the limiting ring block 313 and is fixed with the upper surface of the sliding block 312, and the telescopic rod 314 is matched with the inner wall of the limiting ring block 313 in a sliding mode. In addition, the telescopic columns 31 are provided with four groups, and each group of telescopic columns 31 is uniformly distributed around the axis of the placing box 1. The bottom surface in placing box 1 has seted up rotation groove 11, and the opening in rotation groove 11 is circular, and the axis in rotation groove 11 and the axis coincidence of placing box 1 are just equipped with tapered roller bearing 12 in the rotation groove 11. The rotating axis of the tapered roller bearing 12 coincides with the axis of the rotating groove 11, and the outer wall of the tapered roller bearing 12 is welded and fixed with the inner wall of the rotating groove 11. The section of the rotating sleeve 32 is circular, one end of the rotating sleeve is closed, the other end of the rotating sleeve is open, and the axis of the rotating sleeve 32 is coincided with the axis of the placing box 1. The opening of the rotating sleeve 32 is arranged upwards, the closed end of the rotating sleeve passes through the tapered roller bearing 12, the outer side wall of the rotating sleeve 32 is fixedly welded with the inner wall of the tapered roller bearing 12, and the closed end of the rotating sleeve 32 penetrates out of the bottom surface of the placing box 1. The threaded rod 33 is in a round rod shape, the axis of the threaded rod 33 is overlapped with the axis of the rotating sleeve 32, the upper end of the threaded rod 33 is fixed with the bottom surface of the sealing cover, and the lower end of the threaded rod 33 penetrates into the rotating sleeve 32 and is in threaded connection with the inner side wall of the rotating sleeve 32. The rotating hand wheel 34 is arranged at the lower side of the placing box 1 and fixed with one end of the rotating sleeve 32 penetrating out of the bottom surface of the placing box 1, the bottom surface of the placing box 1 is fixed with the protecting ring 13, the horizontal section of the protecting ring 13 is in a circular ring shape, and the axis of the protecting ring 13 coincides with the axis of the placing box 1, so that the rotating hand wheel 34 is arranged in the protecting ring 13.

As shown in fig. 1 and 3, the supporting leg 4 is a column structure with a circular cross section, and is obliquely arranged at the lower side of the placing box 1, the upper end of the supporting leg 4 is hinged with the bottom surface of the placing box 1, and the rotation axis of the supporting leg 4 is horizontal. The landing leg 4 is equipped with three altogether, and three landing legs 4 encircle the axis evenly distributed who places box 1, and the axis of rotation of three landing legs 4 encircles the axis evenly distributed who places box 1. The lateral wall of the landing leg 4 is provided with an adjusting groove 41, the length direction of the adjusting groove 41 is consistent with that of the landing leg 4, the adjusting groove 41 is communicated with the end face of the lower end of the landing leg 4, and the section of the adjusting groove 41 perpendicular to the length direction of the landing leg 4 is in a dovetail shape. The leg 4 is provided with a leg tip 42, the leg tip 42 is a rod-shaped structure with a dovetail-shaped cross section, one end of the leg tip 42 is arranged in the adjusting groove 41 and is in sliding fit with the inner wall of the adjusting groove 41, and the other end of the leg tip 42 penetrates through the adjusting groove 41 and is polished to be sharp. The adjusting groove 41 is arranged on one side of the supporting leg 4 close to the axis of the placing box 1, and the inner wall of the adjusting groove 41 far away from the axis of the placing box 1 is provided with an installing groove 43. The opening of the mounting groove 43 is circular, and a plurality of positions are arranged in the adjusting groove 41, and the mounting grooves 43 are uniformly arranged along the length direction of the adjusting groove 41. The leg tip 42 is provided with a fastening bolt 44, and the end of the fastening bolt 44 passes through the leg tip 42 and extends into the mounting groove 43 and is in threaded connection with the inner wall of the mounting groove 43. The operator unscrews the fastening bolt 44 and moves the toe 42, and then the operator tightens the fastening bolt 44 again, so that the toe 42 is fixed, and the distance by which the toe 42 protrudes from the leg 4 is adjusted, thereby adjusting the length of the leg 4. Be equipped with first connecting rope 45 and second on the landing leg 4 in three landing legs 4 and connect rope 46, the one end of first connecting rope 45 is fixed with the lateral wall of this landing leg 4, and the one end of second connecting rope 46 is fixed with the lateral wall of this landing leg 4, and when three landing legs 4 closed, first connecting rope 45 and second are connected rope 46 and encircle three landing legs 4 and tie tightly to make landing leg 4 firm, the convenient transfer. In addition, place and be fixed with spacing rope 47 under the box 1 between the adjacent landing leg 4, after landing leg 4 rotated certain angle, spacing rope 47 was tightened, had restricted the turned angle of landing leg 4.

This embodiment is when using, and operating personnel struts three landing legs 4, then rotates and rotates hand wheel 34, has driven and has rotated cover 32 and rotate for with the threaded rod 33 vertical migration who rotates cover 32 screw-thread fit, thereby drive 2 vertical migration of apron, adjusted the height of lapping 2 last surveyor's level, this operation process need not operating personnel and adjusts rack landing leg 4 with the lift surveyor's level, and operation process only need rotate and rotate hand wheel 34, the operation degree of difficulty is little, facilitates the use.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a surveyor's level rack, is including being used for installing the place box (1) of surveyor's level and setting up in three landing legs (4) of placing box (1) bottom, characterized by: a cover plate (2) is arranged on the placing box (1), the cover plate (2) is fixed with the level base, and the upper ends of the supporting legs (4) are hinged with the bottom of the placing box (1); a height adjusting device (3) is arranged in the placing box (1), and the height adjusting device (3) comprises a telescopic column (31), a rotating sleeve (32), a threaded rod (33) and a rotating hand wheel (34); the telescopic column (31) is fixed between the bottom surface of the cover plate (2) and the inner bottom surface of the placing box (1); the rotating sleeve (32) vertically penetrates through the inner bottom surface and the bottom surface of the placing box (1) and is rotatably connected with the placing box (1), the upper end of the threaded rod (33) is fixed with the bottom surface of the cover plate (2), and the lower end of the threaded rod (33) penetrates into the rotating sleeve (32) and is in threaded connection with the inner side wall of the rotating sleeve (32); the rotating hand wheel (34) is arranged at the bottom of the placing box (1) and fixed with one end of the rotating sleeve (32) penetrating through the bottom surface of the placing box (1).

2. A level holder according to claim 1, wherein: flexible post (31) is including being fixed in place flexible cover (311), sliding connection on the bottom in box (1) sliding block (312) in flexible cover (311), be fixed in spacing collar piece (313) and telescopic link (314) of flexible cover (311) upper end, telescopic link (314) upper end with apron (2) bottom surface is fixed, telescopic link (314) lower extreme passes in proper order spacing collar piece (313) with flexible cover (311) upper end opening and with sliding block (312) are fixed, just spacing collar piece (313) internal diameter is less than flexible cover (311) internal diameter.

3. A level holder according to claim 1, wherein: an elastic sleeve (5) is fixed between the bottom surface of the cover plate (2) and the opening end surface of the placing box (1).

4. A level holder according to claim 1, wherein: a rotating groove (11) is formed in the bottom surface of the placing box (1), a tapered roller bearing (12) is arranged in the rotating groove (11), and the outer wall of the tapered roller bearing (12) is welded and fixed with the inner wall of the rotating groove (11); the rotating sleeve (32) penetrates through the tapered roller bearing (12), and the outer side wall of the rotating sleeve (32) is fixedly welded with the inner wall of the tapered roller bearing (12).

5. A level holder according to claim 1, wherein: a protective ring (13) arranged around the rotating hand wheel (34) is fixed on the bottom surface of the placing box (1).

6. A level holder according to claim 1, wherein: the side wall of the supporting leg (4) is provided with an adjusting groove (41), the length direction of the adjusting groove (41) is consistent with that of the supporting leg (4), and a leg tip (42) is arranged in the adjusting groove (41); the inner wall of the adjusting groove (41) is provided with a mounting groove (43), the mounting groove (43) is provided with a plurality of positions, and the mounting grooves (43) are arranged along the length direction of the adjusting groove (41); and a fastening bolt (44) is arranged on the leg tip (42), and the end part of the fastening bolt (44) penetrates through the leg tip (42) and is in threaded fit with the inner wall of the mounting groove (43).

7. A level holder according to claim 1, wherein: the supporting legs (4) are provided with limiting ropes (47), and two ends of each limiting rope (47) are fixed to the two adjacent supporting legs (4) respectively.

8. A level holder according to claim 1, wherein: the landing leg (4) is fixed with first connecting rope (45) and second connecting rope (46), first connecting rope (45) with second connecting rope (46) all set up in one on landing leg (4).