CN219551413U - Calibrating device for detection ruler - Google Patents

Abstract

The utility model provides a detection ruler calibrating device, which comprises a bracket, wherein the top of the bracket is fixedly connected with a fixed block, a ball groove is formed in the fixed block, a spherical rolling body is connected in the ball groove in a rolling way, the spherical center of the spherical rolling body is positioned in the ball groove, the bottom of the spherical rolling body is positioned outside the ball groove, and a locking and fixing assembly which is in corresponding connection with the spherical rolling body is arranged at the top of the fixed block; the bottom of the spherical rolling body is fixedly connected with a flatness detection ruler arranged along the vertical direction, and the lower end of the flatness detection ruler is fixedly connected with a balancing weight; the utility model has simple structure, and can calibrate the flatness detection ruler rapidly under the action of gravity even if the ground of the construction site is uneven, and the detection efficiency is not affected.

Description

Calibrating device for detection ruler

Technical Field

The utility model relates to a calibrating device, in particular to a detecting ruler calibrating device.

Background

In the construction process of building engineering, the flatness of the building wall surface is often required to be detected, and the conventional practice is to keep the flatness detection ruler perpendicular to the ground, then enable the flatness detection ruler to be abutted on the wall surface, and finally insert a feeler gauge into a gap between the flatness detection ruler and the wall surface for reading measurement, so that the flatness of the building wall surface is detected.

Therefore, before the detection, the flatness detection rule needs to be calibrated by using the detection rule calibrating device, so that the flatness detection rule is kept vertical to the ground. However, the ground of the construction site is generally uneven, so that the existing detection ruler calibration device is difficult to put and calibrate the detection ruler, and the detection efficiency is affected.

Disclosure of Invention

The present utility model is directed to a calibration device for a test ruler, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a detection ruler calibrating device, includes the support, the top fixedly connected with fixed block of support is equipped with the ball groove in the fixed block, is connected with the spherical rolling element in the ball groove in the roll, the centre of sphere of spherical rolling element is located the ball inslot, and the bottom of spherical rolling element is located the ball groove outward, is equipped with the locking fixed subassembly that suits with the spherical rolling element at the top of fixed block;

the bottom of the spherical rolling body is fixedly connected with a flatness detection ruler arranged along the vertical direction, and the lower end of the flatness detection ruler is fixedly connected with a balancing weight.

As a further scheme of the utility model: the support includes the base that sets up along the horizontal direction, highly adjustable support column that the top fixedly connected with at the base set up along vertical direction, the roof that highly adjustable support column's upper end fixedly connected with set up along the horizontal direction, the fixed block is fixed in the one end of roof.

As a further scheme of the utility model: a plurality of accommodating grooves are formed in the ball grooves at intervals along the circumferential direction, and balls in contact with the spherical rolling bodies are connected in the accommodating grooves in a rolling manner.

As a further scheme of the utility model: the locking and fixing assembly comprises an adjusting bolt which is connected to the top of the fixing block through threads, an arc-shaped locking plate which is fixedly connected with the spherical rolling body is fixedly connected to the lower end of the adjusting bolt, and an anti-skid rubber layer is fixedly connected to the bottom cambered surface of the arc-shaped locking plate.

As a further scheme of the utility model: a plurality of sliding grooves are formed in the flatness detection ruler at intervals along the vertical direction, detection sliding rods are connected in the sliding grooves through springs, and the free ends of the detection sliding rods movably extend out of the sliding grooves;

the front side of the flatness detection ruler is provided with strip-shaped holes corresponding to the detection sliding rods one by one, the inner ends of the detection sliding rods are fixedly connected with pointers which movably penetrate through the corresponding strip-shaped holes, and the front side of the flatness detection ruler is provided with scale marks corresponding to the pointers one by one.

Compared with the prior art, the utility model has the beneficial effects that:

after the structure is adopted, through the mutual matching among the fixed blocks, the ball grooves, the spherical rolling bodies, the locking and fixing components and the balancing weights, even if the ground of a building construction site is uneven, the spherical rolling bodies roll in the ball grooves under the action of the gravity of the flatness detection ruler and the balancing weights, so that the flatness detection ruler is calibrated, and the flatness detection ruler is vertical to the ground. And after calibration, the spherical rolling bodies can be locked through the locking and fixing assembly, so that the flatness detection ruler can be kept perpendicular to the ground. The utility model has simple structure, and can calibrate the flatness detection ruler rapidly under the action of gravity even if the ground of the construction site is uneven, and the detection efficiency is not affected.

Drawings

Fig. 1 is a schematic structural diagram of a test ruler calibration device.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Fig. 3 is a partially enlarged schematic view at B in fig. 1.

Fig. 4 is a schematic view of the structure of the flatness detecting rule in the detecting rule calibrating device.

In the figure: 1. a bracket; 101. a base; 102. height-adjustable support columns; 103. a top plate; 2. a fixed block; 3. a ball groove; 4. spherical rolling bodies; 5. locking and fixing the assembly; 501. an adjusting bolt; 502. an arc locking plate; 503. an anti-slip rubber layer; 7. flatness detecting ruler; 8. balancing weight; 9. a receiving groove; 10. a ball; 11. a chute; 12. a spring; 13. detecting a slide bar; 14. a bar-shaped hole; 15. a pointer; 16. graduation marks.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Referring to fig. 1-4, a calibrating device for a measuring ruler comprises a bracket 1, wherein a fixed block 2 is fixedly connected to the top of the bracket 1, a ball groove 3 is arranged in the fixed block 2, a ball rolling body 4 is connected in the ball groove 3 in a rolling way, and the ball rolling body 4 can roll in the ball groove 3; the center of the ball-shaped rolling body 4 is positioned in the ball groove 3, the bottom of the ball-shaped rolling body 4 is positioned outside the ball groove 3, the ball-shaped rolling body 4 cannot be separated from the ball groove 3, and meanwhile, the ball-shaped rolling body can rotate in the ball groove 3 under the influence of self gravity of the flatness detection ruler 7 and the balancing weight 8, and a locking and fixing assembly 5 which is adaptive to the ball-shaped rolling body 4 is arranged at the top of the fixing block 2, so that the ball-shaped rolling body 4 can be locked, and the ball-shaped rolling body 4 cannot rotate; the bottom of the spherical rolling body 4 is fixedly connected with a flatness detection ruler 7 arranged along the vertical direction, and the lower end of the flatness detection ruler 7 is fixedly connected with a balancing weight 8. Through mutually supporting between fixed block 2, ball groove 3, spherical rolling element 4, locking fixed subassembly 5 and balancing weight 8, even building site ground roughness also can be under the effect of roughness detection chi 7 and balancing weight 8 gravity for spherical rolling element 4 rolls in ball groove 3, thereby calibrates roughness detection chi 7, makes roughness detection chi 7 perpendicular with ground. And, after the calibration, the spherical rolling bodies 4 can be locked through the locking and fixing assembly 5, so that the flatness detection ruler 7 can be kept vertical to the ground.

Wherein, support 1 includes the base 101 that sets up along the horizontal direction, the top fixedly connected with at base 101 is along the height-adjustable support column 102 that vertical direction set up, specifically, fixedly connected with activity cover is at the outer fixed cylinder of height-adjustable support column 102 on base 101, near-end threaded connection has the lock bolt that suits with height-adjustable support column 102 in the upper end of fixed cylinder, height-adjustable support column 102 stretches out and draws back in fixed cylinder, and fix through the lock bolt, thereby adjust the height of roof 103, and then the roughness detection chi 7 of being convenient for carries out the roughness detection to the wall of different co-altitude. A top plate 103 arranged in the horizontal direction is fixedly connected to the upper end of the height-adjustable support column 102, and the fixing block 2 is fixed to one end of the top plate 103.

Preferably, a plurality of accommodating grooves 9 are arranged in the ball groove 3 at intervals along the circumferential direction, balls 10 in contact with the spherical rolling bodies 4 are connected in each accommodating groove 9 in a rolling manner, and friction force between the spherical rolling bodies 4 and the fixed blocks 2 can be reduced through the matching of the accommodating grooves 9 and the balls 10, so that the spherical rolling bodies 4 can roll in the ball groove 3 conveniently.

Specifically, the locking and fixing assembly 5 comprises an adjusting bolt 501 which is in threaded connection with the top of the fixing block 2, an arc-shaped locking plate 502 which is adapted to the spherical rolling body 4 is fixedly connected to the lower end of the adjusting bolt 501, the locking and fixing assembly is convenient to be attached to the spherical rolling body 4, an anti-slip rubber layer 503 is fixedly connected to the bottom cambered surface of the arc-shaped locking plate 502, the friction force between the locking and fixing assembly and the spherical rolling body 4 is increased, and therefore locking and fixing of the spherical rolling body 4 are facilitated.

Preferably, a plurality of sliding grooves 11 are arranged in the flatness detection ruler 7 at intervals along the vertical direction, detection sliding rods 13 are connected in the sliding grooves 11 through springs 12, the free ends of the detection sliding rods 13 movably extend out of the sliding grooves 11, and the free ends of the detection sliding rods 13 can be in contact with a wall surface; the front side of the flatness detection ruler 7 is provided with strip-shaped holes 14 which are in one-to-one correspondence with the detection slide bars 13, the inner ends of the detection slide bars 13 are fixedly connected with pointers 15 which movably pass through the corresponding strip-shaped holes 14, and the front side of the flatness detection ruler 7 is provided with graduation marks 16 which are in one-to-one correspondence with the pointers 15. When the flatness detection ruler 7 is used, after calibration, the flatness detection ruler 7 is relied on with a wall surface, so that the detection slide rod 13 is in contact with the wall surface, when the wall surface is uneven, the pointer 15 is driven to carry out corresponding one end through the cooperation of the detection slide rod, the spring 12 and the strip-shaped hole 14, and therefore reading measurement is carried out through the scale pointed by the pointer 15, and a feeler gauge is not required to be inserted into a gap between the flatness detection ruler 7 and the wall surface to carry out reading measurement.

The working principle of the utility model is as follows: when the anti-slip rolling device is used, the bracket 1 is placed on the ground of a building construction site, then the adjusting bolt 501 is screwed to enable the anti-slip rubber layer 503 not to be in contact with the spherical rolling bodies 4, and at the moment, the flatness detecting ruler 7 is perpendicular to the ground under the action of gravity of the flatness detecting ruler 7 and the balancing weight 8, so that the spherical rolling bodies 4 are driven to correspondingly roll in the spherical grooves 3; then the adjusting bolt 501 is screwed, so that the anti-slip rubber layer 503 is contacted with the spherical rolling bodies 4, and the spherical rolling bodies 4 cannot roll in the ball grooves 3, and the flatness detecting ruler 7 can be fixed, so that calibration work is completed.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. The utility model provides a detection chi calibrating device, includes support (1), its characterized in that, the top fixedly connected with fixed block (2) of support (1), be equipped with ball groove (3) in fixed block (2), roll and be connected with spherical rolling element (4) in ball groove (3), the centre of sphere of spherical rolling element (4) is located ball groove (3), and the bottom of spherical rolling element (4) is located outside ball groove (3), is equipped with locking fixed subassembly (5) that suits with spherical rolling element (4) at the top of fixed block (2);

the bottom of the spherical rolling body (4) is fixedly connected with a flatness detection ruler (7) arranged along the vertical direction, and the lower end of the flatness detection ruler (7) is fixedly connected with a balancing weight (8).

2. The device for calibrating the detection ruler according to claim 1, wherein the support (1) comprises a base (101) arranged along the horizontal direction, a height-adjustable support column (102) arranged along the vertical direction is fixedly connected to the top of the base (101), a top plate (103) arranged along the horizontal direction is fixedly connected to the upper end of the height-adjustable support column (102), and the fixing block (2) is fixed to one end of the top plate (103).

3. The calibrating device for the measuring ruler according to claim 1, wherein a plurality of accommodating grooves (9) are formed in the ball groove (3) at intervals along the circumferential direction, and balls (10) in contact with the spherical rolling bodies (4) are connected in each accommodating groove (9) in a rolling manner.

4. The calibrating device for the detection ruler according to claim 1, wherein the locking and fixing assembly (5) comprises an adjusting bolt (501) which is connected to the top of the fixing block (2) in a threaded mode, an arc-shaped locking plate (502) which is adapted to the spherical rolling bodies (4) is fixedly connected to the lower end of the adjusting bolt (501), and an anti-slip rubber layer (503) is fixedly connected to the bottom cambered surface of the arc-shaped locking plate (502).

5. The calibrating device of the detection ruler according to claim 1, wherein a plurality of sliding grooves (11) are arranged in the flatness detection ruler (7) at intervals along the vertical direction, detection sliding rods (13) are connected in the sliding grooves (11) through springs (12), and the free ends of the detection sliding rods (13) movably extend out of the sliding grooves (11);

the front side of the flatness detection ruler (7) is provided with strip-shaped holes (14) which are in one-to-one correspondence with the detection sliding rods (13), the inner ends of the detection sliding rods (13) are fixedly connected with pointers (15) which movably penetrate through the corresponding strip-shaped holes (14), and the front side of the flatness detection ruler (7) is provided with scale marks (16) which are in one-to-one correspondence with the pointers (15).