Level gauge zero calibration device with small error

Abstract

The utility model discloses a gradienter zero calibration device with small error, which comprises a calibration table, a plurality of adjusting components arranged in the calibration table, a positioning component arranged in the center of the top of the calibration table, a plurality of screw rods in threaded connection with the interior of the calibration table, and a plurality of positioning components arranged in the positioning component, the bottom end of the screw rod is rotatably connected with a rubber block, the top of the screw rod is fixedly provided with a mounting block, the two sides of the mounting block are symmetrically provided with fixing blocks, the interiors of the fixing blocks are slidably connected with sliding rods, the bottom ends of the two sliding rods are hinged to balls, and the upper portions of the exteriors of the two sliding rods are sleeved with telescopic springs; when the levelness of the calibration table is adjusted, displacement of the calibration table can be avoided by directly pressing and rotating the screw rod, pressure can be applied to the calibration table, difficulty cannot be brought to rotation of the screw rod, and convenience and practicability of levelness adjustment of the calibration table are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to level calibration technical field, concretely is a level zero calibration device of small error. BACKGROUND

[0002] The bar type level is a kind of tool for measuring the horizontal or vertical direction of object, it uses bubble to move in closed glass tube to indicate the position of object relative to horizontal plane, bar type level is used for a long time, bubble shell deformation condition caused by extrusion or knock etc.

[0003] The patent of disclosure No. CN221055781U discloses a kind of calibration auxiliary device of bar type level, the level of the support plate can be adjusted by adjusting the support height of support foot, and bar type level is supported using support plate, compared with using ground or desktop to support bar type level, the bubble position accuracy of bar type level after calibration can be improved, the calibration result of bar type level is more accurate;Positioning structure is arranged on support plate to position bar type level, can ensure that standard bar type level and the bar type level to be calibrated are supported by same reference surface, reduce the influence of the level of support plate on bar type level, to improve the accuracy of calibration, but the patent still has the following problems in actual use process:

[0004] The level of the support plate can be adjusted by adjusting the support height of support foot, and bar type level is supported using support plate, compared with using ground or desktop to support bar type level, the bubble position accuracy of bar type level after calibration can be improved, the calibration result of bar type level is more accurate, but in actual use, the level of support plate is adjusted by rotating support foot, anti-skid rubber layer is rotated in the process of rotating support foot, and support plate is prone to move under the friction of rubber layer, and support plate needs to be pressed all the time in the process of rotating support foot, to avoid support plate rotating with support foot, after exerting downward pressure on support plate, it is inconvenient for user to rotate support foot due to the existence of anti-skid rubber layer, and it is inconvenient to adjust the level of support plate.

[0005] A kind of level zero calibration device of small error is presented, to solve the problems proposed in the above. UTILITY MODEL CONTENTS

[0006] The utility model discloses a level zero position calibration device of small error, to solve the levelness of support plate that can be adjusted through the support height of support foot at present, and utilize support plate to support strip level, compared with utilize ground or desktop to support strip level, can improve bubble position precision after the calibration of strip level, and the calibration result of strip level is more accurate, but in actual use, the levelness of support plate is adjusted through the rotation of support foot, and the anti -skid rubber layer rotates in the process of rotating support foot, and the support plate is easy to move under the friction of rubber layer, and it is necessary to press support plate all the time in the process of rotating support foot, avoids the rotation of support plate along with support foot, and after the downward pressure of support plate is applied, the rotation of support foot is inconvenient for user due to the existence of anti -skid rubber layer, and the levelness of support plate is inconvenient for adjusting.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a level zero position calibration device of small error, including calibration platform,

[0008] Still include:

[0009] The inside of calibration platform is provided with a plurality of adjusting assemblies, and the top center of calibration platform is provided with a positioning assembly;

[0010] Among them, the adjusting assembly includes a plurality of screw rods that are screwed in the inside of calibration platform, the bottom end of the screw rod is rotatably connected with a rubber block, the top of the screw rod is fixedly installed with a mounting block, the both sides of the mounting block are symmetrically installed with fixed blocks, the inside of the fixed block is slidably connected with sliding rods, and the bottom end of the two sliding rods is hingedly connected with a ball bearing;

[0011] Among them, the outside of the two sliding rods is sleeved with an extension spring, one end of the extension spring is fixedly connected with the fixed block, the other end of the extension spring is fixedly installed with a connecting block, the connecting block is fixedly connected with the sliding rod, and the end of the two sliding rods close to each other is fixedly installed with a pressing block.

[0012] Preferably, the positioning assembly includes a movable frame arranged above the calibration platform, the inside of the movable frame is symmetrically slidably connected with movable rods on both sides, and the side close to each other of the two movable rods is respectively fixedly installed with two positioning plates.

[0013] Preferably, the outside of the two movable rods is sleeved with a reset spring, one end of the reset spring is fixedly connected with the movable frame, the other end of the reset spring is fixedly installed with a movable block, and the movable block is fixedly connected with the movable rod.

[0014] Preferably, the side of the two movable blocks close to each other below the movable rod is fixedly installed with a moving rod, the outside of the moving rod is slidably connected with a support block, and the support block is fixedly connected with the movable frame.

[0015] Preferably, the two moving rods are fixedly installed with mounting racks on one side, and the mounting racks are fixedly installed with racks on one side, and the bottom of the movable frame is rotatably connected with a rotating gear between the two racks, and the racks are meshingly connected with the rotating gear.

[0016] Preferably, the bottom of the movable frame is rotatably connected with a fixed rod, and the fixed rod is fixedly connected with the calibration table, and a support frame is fixedly installed on one side of the bottom of the movable frame, and the support frame is slidably connected with a positioning rod inside, and the fixed rod is provided with a plurality of positioning grooves outside, and the positioning rod is engagedly connected with the positioning grooves.

[0017] Preferably, the outside of the positioning rod is sleeved with a tension spring, one end of the tension spring is fixedly connected with the support frame, and the other end of the tension spring is fixedly installed with a pull rod, and the pull rod is fixedly connected with the positioning rod.

[0018] Compared with the prior art, the level zero calibration device with small error has the advantages that: a plurality of adjusting assemblies are arranged in the calibration table, when the levelness of the calibration table is adjusted, the rotating screw can be directly pressed to avoid displacement of the calibration table, and pressure can be applied to the calibration table, which does not bring difficulty to the rotation of the screw, and the convenience and practicality of the levelness adjustment of the calibration table are improved.

[0019] 1. A plurality of adjusting assemblies are arranged in the calibration table, when the levelness of the calibration table is adjusted, the rotating screw can be directly pressed to avoid displacement of the calibration table, and pressure can be applied to the calibration table, which does not bring difficulty to the rotation of the screw, and the convenience and practicality of the levelness adjustment of the calibration table are improved.

[0020] 2. When the standard horizontal ruler is placed, one side two movable blocks can be pulled to drive one side two movable rods to move and stretch the reset spring, so that the two positioning plates are away from each other, one side two movable blocks can drive the mounting frame to move through the moving rod after moving, the mounting frame drives the rotating gear to rotate through the meshing of the rack and the rotating gear after moving, the rotating gear can mesh with the other side rack to drive the other side mounting frame to move, so that one side two movable rods can drive the other side two movable rods to move, thereby the two positioning plates can be away from each other at the same time, then the horizontal ruler is placed between the two positioning plates, the movable blocks are loosened, the horizontal ruler is fixed under the action of the reset spring, then the pull rod can be pulled to drive the positioning rod to slide on the support frame, and the stretching spring is stretched, so that the positioning rod is separated from the positioning groove, the movable frame loses the limit, the movable frame can be rotated to adjust the position of the horizontal ruler, after adjustment, the pull rod can be loosened, the positioning rod is engaged with the other positioning groove under the action of the stretching spring, so that the different positions of the horizontal ruler can be adjusted, thereby the calibration table can be calibrated in different directions, and the horizontal ruler to be calibrated can be calibrated in multiple directions, the error can be reduced, and the practicality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front structure schematic view of the utility model;

[0022] Figure 2 It is a top view structure schematic view of the utility model;

[0023] Figure 3 It is a positioning assembly of the utility model; Figure 1 It is a structure schematic view of A area of the utility model;

[0024] Figure 4 It is a structure schematic view of the utility model positioning assembly from below;

[0025] Figure 5 It is a structure schematic view of B area of the utility model; Figure 4

[0026] In the drawing: 1, calibration table; 2, adjusting assembly; 201, screw rod; 202, rubber block; 203, mounting block; 204, fixed block; 205, sliding rod; 206, ball; 207, telescopic spring; 208, connecting block; 209, pressing block; 3, positioning assembly; 301, movable frame; 302, movable rod; 303, positioning plate; 304, reset spring; 305, movable block; 306, moving rod; 307, support block; 308, mounting frame; 309, rotating gear; 310, rack; 311, fixed rod; 312, support frame; 313, positioning rod; 314, positioning groove; 315, stretching spring; 316, pull rod. DETAILED DESCRIPTION ​

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 The utility model provides technical scheme: a level zero calibration device of small error, including calibration platform 1, still include: the inside of calibration platform 1 is provided with several adjusting assembly 2, with the top center of calibration platform 1 is provided with positioning assembly 3, wherein, adjusting assembly 2 includes several screw rod 201 of screwing in the inside of calibration platform 1, with the bottom end of screw rod 201 is rotatably connected with rubber block 202, and the top of screw rod 201 is fixedly installed with mounting block 203, moreover, the both sides symmetrical installation of mounting block 203 are installed with fixed block 204, with the inside of fixed block 204 is slidably connected with sliding rod 205, and the bottom of two sliding rods 205 is hinged with ball 206, wherein, the outside of two sliding rods 205 is equipped with telescopic spring 207 on top, and one end of telescopic spring 207 is fixedly connected with fixed block 204, and the other end of telescopic spring 207 is fixedly installed with connecting block 208, and connecting block 208 is fixedly connected with sliding rod 205, and the end of two sliding rods 205 is fixedly installed with pressing block 209, and by adjusting assembly 2, when adjusting the levelness of calibration platform 1, directly pressing rotating screw rod 201 can avoid the displacement of calibration platform 1, and can exert pressure on calibration platform 1, will not bring difficulty to the rotation of screw rod 201, improves the convenience and practicality of calibration platform 1 levelness adjustment.

[0029] The positioning assembly 3 comprises a movable frame 301 arranged above the calibration table 1, and the movable frame 301 is symmetrically and slidably connected with movable rods 302 at both sides of the inside of the movable frame 301, and the two groups of movable rods 302 are fixedly installed with two positioning plates 303 on the side close to each other, so that the level can be fixed, the outside of the two groups of movable rods 302 is sleeved with return springs 304, one end of the return springs 304 is fixedly connected with the movable frame 301, and the other end of the return springs 304 is fixedly installed with movable blocks 305, and the movable blocks 305 are fixedly connected with the movable rods 302, so that the movable rods 302 can be automatically reset after moving, the movable blocks 305 are fixedly installed with moving rods 306 on the side below the movable rods 302, the outside of the moving rods 306 is slidably connected with supporting blocks 307, and the supporting blocks 307 are fixedly connected with the movable frame 301, so that the movable blocks 305 can drive the moving rods 306 to move, the moving rods 306 are fixedly installed with mounting frames 308 on the side close to each other, one side of the mounting frames 308 is fixedly installed with a rack 310, the bottom of the movable frame 301 is rotatably connected with a rotating gear 309 between the two racks 310, and the rack 310 is meshedly connected with the rotating gear 309, so that the two movable blocks 305 on one side can drive the two movable blocks 305 on the other side to move after moving, the bottom center of the movable frame 301 is rotatably connected with a fixed rod 311, the fixed rod 311 is fixedly connected with the calibration table 1, and the bottom of the movable frame 301 is fixedly installed with a supporting frame 312 on the side of the fixed rod 311, the inside of the supporting frame 312 is slidably connected with a positioning rod 313, the outside of the fixed rod 311 is provided with a plurality of positioning grooves 314, and the positioning rod 313 is clampedly connected with the positioning grooves 314, so that the movable frame 301 can be positioned, the outside of the positioning rod 313 is sleeved with a stretching spring 315, one end of the stretching spring 315 is fixedly connected with the supporting frame 312, the other end of the stretching spring 315 is fixedly installed with a pull rod 316, and the pull rod 316 is fixedly connected with the positioning rod 313, so that the positioning rod 313 can be automatically reset after moving.

[0030] Working principle: before using the level zero calibration device with small error, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 Figure 5 ​As shown, several adjusting assemblies 2 are arranged in the interior of the calibration table 1, when detecting the levelness of the calibration table 1, the standard level is placed on the positioning assembly 3, the corresponding pressing block 209 can be pressed by observing the bubble position on the level, after the pressing block 209 is pressed, the sliding rod 205 can be driven to slide on the fixed block 204, so that the connecting block 208 can compress the extension spring 207, and then the ball 206 on the sliding rod 205 is attached to the calibration table 1, so that the downward pressure can be applied to the calibration table 1, then the pressing block 209 can be rotated, the screw rod 201 can be driven to rotate, so that the ball 206 rotates on the calibration table 1, and the screw rod 201 can adjust the levelness of the calibration table 1 through the threaded connection of the calibration table 1, and the rubber block 202 can prevent the calibration table 1 from being displaced during adjustment, and the levelness of the level to be adjusted can be adjusted after the levelness of the calibration table 1 is adjusted. The levelness of the level with error can be adjusted by adjusting the assembly 2, so that the displacement of the calibration table 1 can be avoided when adjusting the levelness of the calibration table 1 by directly pressing the rotating screw rod 201, and the pressure can be applied to the calibration table 1, which will not bring difficulty to the rotation of the screw rod 201, and the convenience and practicality of the calibration table 1 levelness adjustment are improved;

[0031] When the standard level is placed, the two movable blocks 305 on one side can be pulled to drive the two movable rods 302 on one side to move and stretch the reset spring 304, so that the two positioning plates 303 are away from each other, and after the two movable blocks 305 on one side move, the moving rod 306 can drive the mounting frame 308 to move, and after the mounting frame 308 moves, the meshing of the rack 310 and the rotating gear 309 drives the rotating gear 309 to rotate, and after the rotating gear 309 rotates, the other side rack 310 can be engaged to drive the other side mounting frame 308 to move, so that the two movable rods 302 on one side can drive the two movable rods 302 on the other side to move, and then the two positioning plates 303 can be away from each other at the same time, and then the level is placed between the two positioning plates 303, and the movable block 305 is loosened, and the level is fixed under the action of the reset spring 304, then the pull rod 316 is pulled to drive the positioning rod 313 to slide on the support frame 312, and the stretching spring 315 is stretched, so that the positioning rod 313 is separated from the positioning groove 314, so that the movable frame 301 loses the limit, and the movable frame 301 can be rotated to adjust the position of the level, and after adjustment, the pull rod 316 can be loosened, and the positioning rod 313 can be engaged with the other positioning groove 314 under the action of the stretching spring 315, so that the different positions of the level can be adjusted, and then the calibration table 1 can be calibrated in different directions, and the level to be calibrated can be calibrated in multiple directions, which can reduce the error and improve the practicality.

[0032] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A level zero calibration device with small error, comprising a calibration table (1); characterized in that Further comprising: The inside of the calibration table (1) is provided with a plurality of adjusting assemblies (2), and the top center of the calibration table (1) is provided with a positioning assembly (3); Wherein, the adjusting assembly (2) comprises a plurality of screw rods (201) screwed in the inside of the calibration table (1), the bottom end of the screw rod (201) is rotatably connected with a rubber block (202), the top of the screw rod (201) is fixedly installed with a mounting block (203), the two sides of the mounting block (203) are symmetrically installed with fixed blocks (204), the inside of the fixed block (204) is slidably connected with sliding rods (205), and the bottom end of the two sliding rods (205) is hingedly connected with a ball (206); Wherein, the outside of the two sliding rods (205) is sleeved with a telescopic spring (207) above, one end of the telescopic spring (207) is fixedly connected with the fixed block (204), the other end of the telescopic spring (207) is fixedly installed with a connecting block (208), the connecting block (208) is fixedly connected with the sliding rod (205), and the end close to the two sliding rods (205) is fixedly installed with a pressing block (209).

2. The device for calibrating the zero position of a level with small error according to claim 1, characterized in that: The positioning assembly (3) comprises a movable frame (301) arranged above the calibration table (1), the inside of the movable frame (301) is symmetrically slidably connected with movable rods (302) on both sides, and the side close to the two groups of movable rods (302) is respectively fixedly installed with two positioning plates (303).

3. The device for calibrating the zero position of a level with small error according to claim 2, characterized in that: The outside of the two groups of movable rods (302) is sleeved with a reset spring (304) on one side, one end of the reset spring (304) is fixedly connected with the movable frame (301), the other end of the reset spring (304) is fixedly installed with a movable block (305), and the movable block (305) is fixedly connected with the movable rod (302).

4. The device for calibrating the zero position of a level with small error according to claim 3, characterized in that: The side of the two groups of movable blocks (305) below the movable rod (302) is fixedly installed with a moving rod (306), the outside of the moving rod (306) is slidably connected with a supporting block (307), and the supporting block (307) is fixedly connected with the movable frame (301).

5. The device for calibrating the zero position of a level with small error according to claim 4, characterized in that: The side close to the two moving rods (306) is fixedly installed with a mounting bracket (308), one side of the mounting bracket (308) is fixedly installed with a rack (310), the bottom of the movable frame (301) is rotatably connected with a rotating gear (309) between the two racks (310), and the rack (310) is meshingly connected with the rotating gear (309).

6. The device for calibrating the zero position of a level with small error according to claim 2, characterized in that: The bottom center of the movable frame (301) is rotatably connected with a fixed rod (311), the fixed rod (311) is fixedly connected with the calibration table (1), the bottom of the movable frame (301) is fixedly installed with a supporting frame (312) on one side of the fixed rod (311), the inside of the supporting frame (312) is slidably connected with a positioning rod (313), the outside of the fixed rod (311) is provided with a plurality of positioning grooves (314), and the positioning rod (313) is clampedly connected with the positioning grooves (314).

7. A device for calibrating the zero position of a level with small error according to claim 6, characterized in that: The outer side of the positioning rod (313) is sleeved with a tension spring (315), one end of the tension spring (315) is fixedly connected with the support frame (312), the other end of the tension spring (315) is fixedly installed with a pull rod (316), and the pull rod (316) is fixedly connected with the positioning rod (313).

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