CN212110454U

CN212110454U - Dynamometer calibrating device

Info

Publication number: CN212110454U
Application number: CN202020956309.9U
Authority: CN
Inventors: 王金涛
Original assignee: Qingdao Zhongce Testing Technology Service Co ltd
Current assignee: Qingdao Zhongce Testing Technology Service Co ltd
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2020-12-08
Anticipated expiration: 2030-05-31

Abstract

The utility model discloses a dynamometer calibration device, which comprises a base and a fixing device, wherein a hydraulic jack a is fixedly installed on the left side of the upper end of the base, a hydraulic jack b is fixedly installed on the right end of the base, a connecting block a is fixedly installed on the top end of the hydraulic jack a, a connecting block b is fixedly installed on the top end of the hydraulic jack b, a crossbeam is fixedly connected between the connecting block a and the connecting block b, a mounting plate is fixedly installed on the lower end of the crossbeam, an upper fixing clamp is fixedly installed on the lower end of the mounting plate, two fixing plates are fixedly installed at the middle position of the upper end of the base, a lower fixing clamp is fixedly installed at one end of a bolt, and a test dynamometer is arranged on the inner; according to the dynamometer calibration device, a standard dynamometer is connected with a test dynamometer through a tension rod, the standard dynamometer is moved upwards through a hydraulic jack under manual control, the standard dynamometer and the test dynamometer generate tension, the dynamometer is calibrated according to a numerical value, and recording and analysis are integrally facilitated.

Description

Dynamometer calibrating device

Technical Field

The utility model relates to a dynamometer technical field specifically is a dynamometer calibrating device.

Background

The dynamometer is used for measuring portable computing instruments of various power values and live loads, also called as a dynamometer, various different classifications are provided, the dynamometer is divided into a working dynamometer and a standard dynamometer according to a use object, the technical performance of the dynamometer can not be detected after the dynamometer product which is used for detecting the steel cable is purchased, the dynamometer can only be referred to through a delivery nameplate, if the dynamometer is not qualified through inspection, in case of unqualified products during use, the human body can be injured, danger is generated, the traditional calibrating device is complex in structure, experiments under different tension forces can not be realized, and therefore, a novel calibrating device is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dynamometer calibrating device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dynamometer calibration device comprises a base and a fixing device, wherein a hydraulic jack a is fixedly installed on the left side of the upper end of the base, a hydraulic jack b is fixedly installed on the right end of the base, a connecting block a is fixedly installed at the top end of the hydraulic jack a, the top end of the hydraulic jack b is fixedly provided with a connecting block b, a cross beam is fixedly connected between the connecting block a and the connecting block b, the lower end of the cross beam is fixedly provided with an installation plate, the lower end of the installation plate is fixedly provided with an upper fixing clamp, the fixing device comprises fixing plates, bolts and a lower fixing clamp, two fixing plates are fixedly arranged in the middle of the upper end of the base, a threaded hole is arranged in the middle of the fixing plate, the bolt is rotatably mounted in the threaded hole, one end of the bolt is fixedly provided with the lower fixing clamp, the other end of the bolt is fixedly provided with the handle, and the inner side of the lower fixing clamp is provided with the testing dynamometer.

Preferably, the upper end of base is located fixed position installs the fixed block down between the fixation clamp, the upper end fixed mounting of fixed block has solid fixed ring, and gu fixed ring fixed connection test dynamometer.

Preferably, sliding grooves are formed in the inner walls of the two sides of the upper fixing clamp, a standard dynamometer is arranged inside the lower fixing clamp, sliding blocks are fixedly mounted on the two outer walls of the standard dynamometer, and the sliding blocks are slidably mounted in the sliding grooves.

Preferably, a tension rod is arranged between the upper fixing clamp and the lower fixing clamp, connecting rings are fixedly mounted at two ends of the tension rod, and the connecting rings are fixedly connected with the test dynamometer and the standard dynamometer.

Preferably, the piston rod of the hydraulic jack a is fixedly connected with the piston rod of the hydraulic jack b through a connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this dynamometer calibration device is connected standard dynamometer and test dynamometer for the tension rod, through manual control hydraulic jack with standard dynamometer rebound, both produce the pulling force, according to numerical value calibration dynamometer, overall structure is simple, convenient to use, can calibrate different types of dynamometers, convenient record and analysis.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a part of the structure A, B of the present invention.

In the figure: the device comprises a base 1, a fixing device 2, bolts 21, a fixing plate 22, a lower fixing clamp 23, a handle 3, a force measuring instrument 4, a hydraulic jack b5, a connecting block b6, a mounting plate 7, a standard force measuring instrument 8, a cross beam 9, a connecting rod 10, a connecting block a11, a hydraulic jack a12, an upper fixing clamp 13, a connecting ring 14, a tension rod 15, a fixing block 16, a threaded hole 17, a sliding block 18, a sliding groove 19 and a fixing ring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a dynamometer calibration device, includes base 1 and fixing device 2, the base, the upper end left side fixed mounting of 1 has hydraulic jack a12, and right-hand member fixed mounting has hydraulic jack b5 the top fixed mounting of hydraulic jack a12 has connecting block a11, the top fixed mounting of hydraulic jack b5 has connecting block b6, fixedly connected with crossbeam 9 between connecting block a11 and the connecting block b6, the lower extreme fixed mounting of crossbeam 9 has mounting panel 7, the lower extreme fixed mounting of mounting panel 7 has last fixation clamp 13, fixing device 2 includes, fixed plate 22, bolt 21 and lower fixation clamp 23, the upper end intermediate position fixed mounting of base 1 has two fixed plates 22, the intermediate position of fixed plate 22 is equipped with screw hole 17, the installation of screw hole 17 internal rotation bolt 21, the one end fixed mounting of bolt 21 lower fixation clamp 23, the other end is fixedly provided with a handle 3, and the inner side of the lower fixing clamp 23 is provided with a test dynamometer 4;

specifically, the hydraulic jack a12 and the hydraulic jack b5 can be controlled by manually operating a piston rod to lift the upper fixing clamp, and the lower fixing clamp 23 can be used for clamping the test load cell 4 through the matching of the bolt 21 and the threaded hole 17.

A fixed block 16 is fixedly arranged at the upper end of the base 1 between the lower fixing clamps 23, a fixed ring 20 is fixedly arranged at the upper end of the fixed block 16, and the fixed ring 20 is fixedly connected with the test dynamometer 4;

specifically, the test dynamometer 4 is connected with the fixed block 16 through the fixed block 20, so that unstable data when pulled is prevented.

Sliding grooves 19 are formed in the inner walls of the two sides of the upper fixing clamp 13, a standard dynamometer 8 is arranged inside the lower fixing clamp 23, sliding blocks 18 are fixedly installed on the two outer walls of the standard dynamometer 8, and the sliding blocks 18 are installed in the sliding grooves 19 in a sliding mode;

specifically, the standard load cell 8 is installed in the sliding groove 19 through the sliding block 18, and before testing, the standard load cell is located at the lower end of the sliding groove 19, and during testing, the standard load cell slides to the upper end due to the lifting force.

A tension rod 15 is arranged between the upper fixing clamp 13 and the lower fixing clamp 23, connecting rings 14 are fixedly mounted at two ends of the tension rod 15, and the connecting rings 14 are fixedly connected with the test dynamometer 4 and the standard dynamometer 8;

the piston rod of the hydraulic jack a12 is fixedly connected with the piston rod of the hydraulic jack b5 through a connecting rod 10;

specifically, the piston rods of the two hydraulic jacks are fixedly connected through the connecting rod 10, so that synchronous operation can be performed.

The working principle is as follows: when in use, a test dynamometer is placed in the lower fixing clamp 23, the lower end of the test dynamometer is connected with the fixing block 20, the two lower fixing clamps 23 are fastened by rotating the bolt, the standard dynamometer is installed in the sliding groove 19 of the upper fixing clamp 13 through the sliding block 18, the test dynamometer is fixedly connected with the standard dynamometer 8 through the tension rod 15, the connecting rod 10 is manually operated according to different testers, the hydraulic jack a12 and the hydraulic jack b5 are driven to ascend, the upper fixing clamp 13 is driven to ascend, due to the lifting force, the standard dynamometer 8 slides to the upper end of the sliding groove 19, the test dynamometer 4 is pulled through the tension rod 15, the tension of the two dynamometers is equal, the error of the test dynamometer can be tested by comparing the readings of the standard dynamometer 8 and the test dynamometer 4, and the error of the test dynamometer can be tested according to different dynamometers, manually adjusting the lifting height of the hydraulic jack; the whole structure is simple, the use is convenient, different types of dynamometers can be calibrated, and the recording and the analysis are convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dynamometer calibration device, includes base (1) and fixing device (2), its characterized in that: the hydraulic lifting device is characterized in that a hydraulic jack a (12) is fixedly mounted on the left side of the upper end of the base (1), a hydraulic jack b (5) is fixedly mounted on the right end of the base, a connecting block a (11) is fixedly mounted on the top end of the hydraulic jack a (12), a connecting block b (6) is fixedly mounted on the top end of the hydraulic jack b (5), a cross beam (9) is fixedly connected between the connecting block a (11) and the connecting block b (6), a mounting plate (7) is fixedly mounted on the lower end of the cross beam (9), an upper fixing clamp (13) is fixedly mounted on the lower end of the mounting plate (7), the fixing device (2) comprises a fixing plate (22), a bolt (21) and a lower fixing clamp (23), two fixing plates (22) are fixedly mounted on the middle position of the upper end of the base (1), a threaded hole (17) is formed in the middle position of the fixing, one end of the bolt (21) is fixedly provided with the lower fixing clamp (23), the other end of the bolt is fixedly provided with the handle (3), and the inner side of the lower fixing clamp (23) is provided with the test dynamometer (4).

2. A load cell calibration device according to claim 1, wherein: the upper end of base (1) is located fixed position installs fixed block (16) between lower fixation clamp (23), the upper end fixed mounting of fixed block (16) has solid fixed ring (20), and solid fixed ring (20) fixed connection test dynamometer (4).

3. A load cell calibration device according to claim 1, wherein: the inner walls of two sides of the upper fixing clamp (13) are respectively provided with a sliding groove (19), the lower fixing clamp (23) is internally provided with a standard dynamometer (8), two outer walls of the standard dynamometer (8) are fixedly provided with sliding blocks (18), and the sliding blocks (18) are slidably arranged in the sliding grooves (19).

4. A load cell calibration device according to claim 1, wherein: and a tension rod (15) is arranged between the upper fixing clamp (13) and the lower fixing clamp (23), connecting rings (14) are fixedly mounted at two ends of the tension rod (15), and the connecting rings (14) are fixedly connected with the test dynamometer (4) and the standard dynamometer (8).

5. A load cell calibration device according to claim 1, wherein: and the piston rod of the hydraulic jack a (12) is fixedly connected with the piston rod of the hydraulic jack b (5) through a connecting rod (10).