CN216205746U

CN216205746U - Simple calibration table for steel tape

Info

Publication number: CN216205746U
Application number: CN202122465826.3U
Authority: CN
Inventors: 詹星宇; 包纪勇; 童利兵
Original assignee: Zhejiang Lanjian Detection Technology Co ltd
Current assignee: Zhejiang Lanjian Detection Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of measuring scale calibration, and provides a simple calibration table for a steel tape, which comprises: the calibration stand body, the calibration stand body comprises the brace table of the telescopic connection of a plurality of straight lines, be provided with tension mechanism between the adjacent brace table, the brace table top bilateral symmetry formula that is located a calibration stand body tip is provided with two sets of fixed establishment, the output position roll connection that is located the brace table afterbody of the calibration stand body other end and goes up steel tape on two sets of fixed establishment has two fixed connection's spacing wheel, the center department of spacing wheel is located same straight line with the center department of fixed steel tape among the fixed establishment, the bottom of spacing wheel all is provided with and is used for and treats tensile steel tape fixed connection's weight rack. The utility model has the advantages that: compact structure, the flexibility is high, and length adjustment nature is high and stable, and the calibration accuracy is high.

Description

Simple calibration table for steel tape

Technical Field

The utility model belongs to the technical field of calibration of measuring tapes, and particularly relates to a simple calibration table for a steel tape.

Background

The steel tape is a common tool for building and decoration, and the new steel tape or the steel tape used for a period of time needs to be detected and calibrated, whether the steel tape is light and flexible to pull out and roll up or not needs to be determined, the phenomenon of blocking does not exist, and whether each functional device can effectively control the tape to roll up or not needs to be determined.

The existing steel tape calibrating device occupies a large measuring space due to the fact that the steel tape needs to be stretched for measurement when the steel tape is detected and calibrated, the length requirement of a calibrating table for supporting the steel tape for measurement is changed due to the fact that the length of the steel tape is different, and therefore high requirements are required for length design of the calibrating table.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model aims to provide a simple calibration table for a steel tape, and aims to solve the problems.

The utility model is realized in this way, the simple calibration stand of the steel tape includes: the calibrating table comprises a calibrating table body, the calibrating table body is composed of a plurality of supporting tables which are connected in a linear telescopic manner, a stretching mechanism is arranged between the adjacent supporting tables, the distance between the adjacent supporting tables is adjusted through the stretching mechanism, so that the calibrating using length of the calibrating table body is integrally adjusted, two groups of fixing mechanisms are symmetrically arranged on two sides of the top of the supporting table at one end of the calibrating table body and are respectively used for fixing a steel tape to be calibrated and a standard steel tape used for comparison and calibration, two fixedly connected limiting wheels are connected with the tail part of the supporting table at the other end of the calibrating table body in a rolling manner corresponding to the output positions of the steel tapes on the two groups of fixing mechanisms, the centers of the limiting wheels and the centers of the steel tapes fixed in the fixing mechanisms are positioned on the same straight line to carry out linear measurement, weights which are fixedly connected with the steel tapes to be stretched are arranged at the bottoms of the limiting wheels, weights with the same weight are placed on the weight placing rack, so that the same pulling force can be applied to the steel tape measures in the two groups of fixing mechanisms conveniently, and then the steel tape measures are pulled to move on the calibration table body for measurement and calibration.

Preferably, the bottom of each support table is fixedly connected with a support leg, the bottom end of each support leg is connected with a universal wheel in a rolling manner, the use position of the calibration table body is convenient to move through the universal wheel, meanwhile, a section of telescopic rod is arranged in the middle of each support leg, and the height of the telescopic rod is adjusted to respectively adjust the use calibration height of the whole calibration table body;

preferably, the top of the supporting platform is provided with a groove-shaped structure with openings at two ends, a plurality of supporting slide bars are rotatably connected inside the supporting platform at equal intervals and are used for reducing the friction force of the steel tape in the moving manner on the supporting platform, a partition plate is fixedly arranged in the middle of each group of supporting slide bars and is used for isolating two groups of steel tape moving on the supporting platform at the same time, and the two groups of steel tape are prevented from being in contact abrasion and influencing the accuracy of detection and calibration; a layer of anti-collision pad is fixedly laid on two side walls in the supporting table and used for reducing abrasion of the steel tape when the steel tape is in contact with the side walls of the supporting table.

Preferably, a limiting sliding groove is formed in the circumferential side wall of the limiting wheel, and when the steel tape rolls on the limiting wheel, the steel tape is stably moved on the limiting sliding groove through the limitation of the limiting sliding groove, so that the sliding of two sides of the steel tape is prevented, and the moving stability is reduced.

Preferably, the stretching mechanism comprises telescopic cavities formed in the side walls of the support tables at two adjacent sides, the telescopic cavities at two sides are jointly and slidably connected with a connecting rod, the distance between the support tables at two sides is adjusted through the telescopic distance of the connecting rod in the telescopic cavities at two sides, a limiting plate is fixedly arranged at the end part of the connecting rod, and the limiting plate is arranged to prevent the limiting plate from falling off from the inside of the telescopic cavity; and a limiting component is arranged on the side wall of the supporting table at the opening of the telescopic cavity and used for controlling the connecting rod to move in the telescopic cavity.

Preferably, the restriction subassembly is including evenly seting up the fixed slot at the transverse distribution at connecting rod lateral wall top to and fix the dead lever on a supporting bench lateral wall, and the inside grafting of dead lever has vertical fixed block, and fixed block top fixed mounting has the pole cap that prevents to drop from the dead lever, and inside the fixed slot can be pegged graft to the fixed block bottom, then the lateral shifting of restriction connecting rod plays the function that realizes the restriction connecting rod at flexible intracavity portion is flexible.

Preferably, fixed establishment is including setting up the fixed station at keeping away from spacing round of a side end portion brace table top, the fixed station is unanimous with the top height that supports the slide bar, for the convenience of fixing when the steel tape measure on the fixed station moves towards supporting the slide bar, keep the level, improve the precision of detecting the calibration, it is provided with vertical slide rail to keep away from on the brace table of spacing round one side at the fixed station simultaneously, sliding connection has the clamp plate parallel with the fixed station on the slide rail, slide rail internal thread is connected with the adjusting screw of liftable, the one end fixed connection of adjusting screw bottom and clamp plate, when rotatory adjusting screw goes up and down, drive the clamp plate and go up and down on the slide rail, then exert pressure to the steel tape measure of locating on the fixed station, fix it.

Preferably, a layer of spongy cushion is laid on the surface, contacting the steel tape, of the bottom of the pressing plate, and is used for reducing abrasion to the shell of the steel tape.

According to the simple steel tape calibrating table provided by the utility model, the plurality of supporting tables are telescopically connected through the stretching mechanisms, so that the overall calibrating length of the calibrating table body can be fully adjusted, and the stretching distance between adjacent supporting tables can be uniform by adjusting the lengths of the plurality of stretching mechanisms, so that the suspended distance during steel tape stretching calibration is reduced, and the stability and precision of measuring calibration are improved;

the support sliding rods at the top of the support table are separated through the partition plate, and the limiting sliding grooves are formed in the limiting wheels, so that two groups of steel tape measures can be prevented from being contacted with each other, linear stretching is kept, and the accuracy of calibration is fully improved;

the utility model has the advantages that: compact structure, the flexibility is high, and length adjustment nature is high and stable, and the calibration accuracy is high.

Drawings

Fig. 1 is a schematic structural diagram of a simple calibration table for a steel tape measure.

Fig. 2 is a partial structural schematic diagram of a support table in the simple steel tape calibrating table.

Fig. 3 is a schematic structural diagram of a stretching mechanism in the simple calibration table of the steel tape measure.

Fig. 4 is a schematic structural view of a limiting wheel in the simple calibration table of the steel tape measure.

FIG. 5 is a schematic view of the structure of the fixing mechanism in the simple calibration stand for a steel tape;

in the drawings: calibration platform body 10, landing leg 11, universal wheel 12, tension mechanism 13, fixed station 14, weight rack 15, spacing wheel 16, fixed establishment 17, brace table 18, clamp plate 19, slide rail 20, adjusting screw 21, support slide bar 22, baffle 23, telescopic link 24, flexible chamber 25, connecting rod 26, limiting plate 27, fixed slot 28, dead lever 29, fixed block 30, spacing spout 31, crash pad 32.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a structure diagram of a simple calibration stand for a steel tape according to an embodiment of the present invention includes: the calibration table body 10 is composed of a plurality of support tables 18 which are in linear telescopic connection, a stretching mechanism 13 is arranged between the adjacent support tables 18, the distance between the adjacent support tables 18 is adjusted through the stretching mechanism 13, so that the calibration use length of the calibration table body 10 is integrally adjusted, two groups of fixing mechanisms 17 are symmetrically arranged at two sides of the top of the support table 18 at one end of the calibration table body 10, the two groups of fixing mechanisms 17 are respectively used for fixing a steel tape to be calibrated and a standard steel tape for comparison calibration, two fixedly connected limiting wheels 16 are connected at the tail part of the support table 18 at the other end of the calibration table body 10 corresponding to the output positions of the steel tapes on the two groups of fixing mechanisms 17 in a rolling way, the centers of the limiting wheels 16 and the centers of the steel tapes fixed in the fixing mechanisms 17 are positioned on the same straight line to enable the steel tapes to carry out linear measurement, the bottom of the limiting wheels 16 is provided with a placing rack 15 for fixedly connecting the steel tapes to be stretched, weights with the same weight are placed on the weight placing rack 15, so that the same pulling force can be conveniently applied to the steel tape measures in the two groups of fixing mechanisms 17, and then the steel tape measures are pulled to move on the calibration table body 10 for measurement and calibration;

wherein, the steel tape to be calibrated and the standard steel tape for comparison calibration are respectively fixed on two groups of fixing mechanisms 17, then the two groups of steel tapes are pulled to be stretched along a supporting table 18, at the moment, the calibration table body 10 is adjusted to a proper length in advance through the stretching mechanism 13 according to the length of the steel tape to be calibrated, then the output ends of the steel tapes are respectively and fixedly connected with weight placing frames 15 at corresponding positions, weights with the same proper weight are placed on the weight placing frames 15, at the moment, the two groups of steel tapes are in a parallel and straight state through the structural characteristics that the weight placing frames 15 correspond to the output ends of the steel tapes on the fixing mechanisms 17 in a straight line, then direct comparison measurement calibration is carried out, the calibration table body 10 is provided with a plurality of supporting tables 18 which are connected with the stretching mechanisms 13 in a telescopic mode through arrangement, when the length of the calibration table body 10 is stretched, the steel tape is suspended for a certain distance, so that the stability and accuracy of calibration are kept.

In the embodiment of the utility model, the bottom of each support table 18 is fixedly connected with a support leg 11, the bottom end of each support leg 11 is connected with a universal wheel 12 in a rolling manner, the use position of the calibration table body 10 is convenient to move through the universal wheels 12, meanwhile, a section of telescopic rod 24 is arranged in the middle of each support leg 11, and the height of the telescopic rod 24 is adjusted, so that the use height of the whole calibration table body 10 is adjusted;

referring to fig. 2 and 4, the top of the supporting platform 18 is provided with a groove-shaped structure with two open ends, a plurality of supporting slide bars 22 are rotatably connected inside the supporting platform 18 at equal intervals, the supporting slide bars 22 are used for reducing the friction force of the steel tape measures moving on the supporting platform 18, a partition plate 23 is fixedly installed in the middle of each group of supporting slide bars 22, and the partition plate 23 is used for isolating two groups of steel tape measures moving on the supporting platform 18 at the same time to prevent the two groups of steel tape measures from being in contact abrasion and influencing the accuracy of detection and calibration; a layer of anti-collision pads 32 is fixedly laid on two side walls in the supporting platform 18, and the anti-collision pads 32 are used for reducing the abrasion of the steel tape when the steel tape is contacted with the side walls of the supporting platform 18;

the limiting sliding groove 31 is formed in the circumferential side wall of the limiting wheel 16, and when the steel tape rolls on the limiting wheel 16, the steel tape is stably moved on the limiting sliding groove 31 through the limitation of the limiting sliding groove 31, so that the sliding of two sides of the steel tape is prevented, and the moving stability is reduced.

Referring to fig. 3, the stretching mechanism 13 includes a telescopic cavity 25 formed inside the side walls of the support tables 18 on two adjacent sides, the telescopic cavities 25 on two sides are connected with a connecting rod 26 in a sliding manner, the distance between the support tables 18 on two sides is adjusted by the telescopic distance of the connecting rod 26 in the telescopic cavities 25 on two sides, a limiting plate 27 is fixedly mounted at the end of the connecting rod 26, and the limiting plate 27 is arranged to prevent the connecting rod 27 from falling off from the inside of the telescopic cavity 25; a limiting component is arranged on the side wall of the support table 18 at the opening of the telescopic cavity 25 and is used for controlling the movement of the connecting rod 26 in the telescopic cavity 25;

the restriction subassembly is including evenly seting up the fixed slot 28 at the transverse distribution at connecting rod 26 lateral wall top to and fix the dead lever 29 on a supporting bench 18 lateral wall, and the inside grafting of dead lever 29 has vertical fixed block 30, and fixed block 30 top fixed mounting has the pole cap that prevents to drop from dead lever 29, and fixed block 30 bottom can peg graft to inside the fixed slot 28, then restriction connecting rod 26's lateral shifting plays and realizes restriction connecting rod 26 at the inside flexible function of flexible chamber 25.

Referring to fig. 5, the fixing mechanism includes a fixing table 14 disposed on the top of a supporting table 18 at an end portion far away from the limiting wheel 16, the height of the fixing table 14 is consistent with that of the top of a supporting slide bar 22, in order to facilitate the steel tape fixed on the fixing table 14 to keep horizontal when moving towards the supporting slide bar 22, and improve the precision of detection and calibration, a vertical slide rail 20 is disposed on the supporting table 18 at the side of the fixing table 14 far away from the limiting wheel 16, a pressing plate 19 parallel to the fixing table 14 is slidably connected to the slide rail 20, a liftable adjusting screw 21 is threadedly connected inside the slide rail 20, and the bottom end of the adjusting screw 21 is fixedly connected to one end of the pressing plate 19, that is, when the adjusting screw 21 is rotated to ascend and descend, the pressing plate 19 is driven to ascend and descend on the slide rail 20, and then pressure is applied to the steel tape on the fixing table 14 to fix the steel tape;

and a layer of spongy cushion is laid on the surface of the bottom of the pressure plate 19, which is in contact with the steel tape, and is used for reducing the abrasion to the shell of the steel tape.

The above embodiments of the utility model provide a simple calibration stand for steel tapes, when in use, two steel tapes to be calibrated and used for comparison are respectively placed on the two sets of fixed stands 14, then the pressure plate 19 is driven to move downwards by manually rotating the adjusting screw rod 21, then the steel tape is fixed, the calibration stand body 10 is then stretched to the desired length in its entirety by adjusting the length of the connecting rod 26 between adjacent support stands 18, depending on the length of the steel tape measure, the steel tapes are then respectively stretched, rolled along the support slide bar 22 on top of the support table 18 until the ends thereof are slid through the limiting slide grooves 31 on the limiting wheels 16, and attached to the weight placement frame 15, and then the steel tape in a stretching state is kept stable by placing weights with corresponding weights on the weight placing rack 15, and then the two groups of steel tape are compared in scales and the like, so that the steel tape to be measured is calibrated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Simple and easy calibration stand of steel tape, its characterized in that, the simple and easy calibration stand of steel tape includes: the calibration stand body, the calibration stand body comprises the brace table of the telescopic connection of a plurality of straight lines, be provided with tension mechanism between the adjacent brace table, the brace table top bilateral symmetry formula that is located a calibration stand body tip is provided with two sets of fixed establishment, the output position roll connection that is located the brace table afterbody of the calibration stand body other end and goes up steel tape on two sets of fixed establishment has two fixed connection's spacing wheel, the center department of spacing wheel is located same straight line with the center department of fixed steel tape among the fixed establishment, the bottom of spacing wheel all is provided with and is used for and treats tensile steel tape fixed connection's weight rack.

2. The simple steel tape calibrating table as claimed in claim 1, wherein a leg is fixedly connected to the bottom of each supporting table, universal wheels are connected to the bottom ends of the legs in a rolling manner, and a section of telescopic rod is arranged in the middle of each leg.

3. The simple steel tape calibrating table as claimed in claim 1, wherein the top of the supporting table is a groove-shaped structure with two open ends, a plurality of supporting slide bars are rotatably connected inside the supporting table at equal intervals, and a partition plate is fixedly arranged in the middle of each group of supporting slide bars.

4. The simple steel tape calibrating table as claimed in claim 1, wherein a limiting sliding groove is formed in a circumferential side wall of the limiting wheel.

5. The simple steel tape calibrating table as claimed in claim 1, wherein the stretching mechanism comprises a telescopic cavity formed in the inner side of the supporting table side walls on two adjacent sides, a connecting rod is connected in the telescopic cavity on two sides in a sliding manner, a limiting plate is fixedly mounted at the end of the connecting rod, and a limiting component is arranged on the supporting table side wall at the opening of the telescopic cavity.

6. The simple steel tape calibrating table as claimed in claim 5, wherein the limiting member comprises a laterally distributed fixing groove formed at the top of the side wall of the connecting rod, and a fixing rod fixed to the side wall of the supporting table, a vertical fixing block is inserted into the fixing rod, a rod cap for preventing the fixing rod from falling off is fixedly mounted at the top of the fixing block, and the bottom end of the fixing block is inserted into the fixing groove.

7. The simple steel tape calibrating table as claimed in claim 1, wherein the fixing mechanism comprises a fixing table disposed on the top of the supporting table at the end part away from the limiting wheel, a vertical slide rail is disposed on the supporting table at the side of the fixing table away from the limiting wheel, a pressing plate parallel to the fixing table is slidably connected to the slide rail, a liftable adjusting screw is threadedly connected to the inside of the slide rail, and the bottom end of the adjusting screw is fixedly connected to one end of the pressing plate.

8. The steel tape simple calibration stand of claim 7, wherein the fixed stand is at the same height as the top of the support slide bar.