CN111174956A

CN111174956A - Torsion spring torsion detection device and use method

Info

Publication number: CN111174956A
Application number: CN201911371605.0A
Authority: CN
Inventors: 苏锦林; 何明; 浦旭明
Original assignee: YICHANG JIANGXIA MARINE MACHINERY CO Ltd
Current assignee: YICHANG JIANGXIA MARINE MACHINERY CO Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-05-19

Abstract

The invention provides a torsion detection device of a torsion spring and a using method thereof, the torsion detection device comprises a fixed seat and a pressing sleeve which are fixed at two ends of the spring, one side of the pressing sleeve is provided with a torsion wrench, the torsion wrench is connected with the pressing sleeve, the fixed seat is fixed on a bench vice, a tool clamp formed by the fixed seat and the pressing sleeve is adopted to fix and suspend two ends of the spring, one end of the fixed seat is clamped and fixed by the bench vice, the torsion wrench is clamped at one end of the pressing sleeve, the torsion value of the torsion wrench is set, the torsion wrench is twisted from a starting scale mark to an ending scale mark, the torsion wrench is stopped immediately after clicking, and the position of the torsion wrench is observed whether the torsion wrench is on the ending scale mark, so as to achieve the purpose of rapidly detecting whether the spring is qualified or not, the torsion value of the torsion spring can be detected more accurately by adopting a method of horizontally placing the spring, the effect is showing, overall structure is simple, convenient to use, and measurement accuracy is high, is fit for using widely.

Description

Torsion spring torsion detection device and use method

Technical Field

The invention relates to the field of spring force detection, in particular to a torsion spring torsion detection device and a using method thereof.

Background

The finished torsion spring is generally detected by using a torsion spring detector which is mainly used for detecting the fastening degree of a sample and the torsion resistance of certain parts of the sample so as to determine whether the sample meets the torsion requirement, the size of a torque value is a technological parameter technical index for key control of spring production, and the torsion spring detector on the market is time-consuming and labor-consuming in installation, high in price, and only suitable for unified detection after mass production is finished, and a plurality of parameters are required to be set during installation each time; a large number of torque wrenches are available in the market, but the torque wrenches cannot directly detect the torque of the torsion spring many times because the torsion spring is usually irregular in appearance and inconvenient to place.

Chinese patent CN204115932U "spring torsion detector" fixes spring cover on the installation inner core, and spring one end in the centre gripping post, and the other end makes the power value table support through adjusting hand wheel and accommodate the lead screw and leans on rotatoryly to survey the torsion of spring, but the torsion of spring has certain angle, but adjusting hand wheel and accommodate the lead screw are linear motion, and the torsion that leads to the power value table to detect has certain error, and overall structure is comparatively complicated, and detects the precision poor.

Disclosure of Invention

The invention mainly aims to provide a torsion spring torsion detection device and a use method thereof, and solves the problems that a torsion wrench cannot directly detect the torsion of a spring, the detection precision is poor, and the structure is complex.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the torsion spring torsion detection device comprises a fixed seat and a pressing sleeve which are fixed at two ends of a spring, wherein a torsion wrench is arranged on one side of the pressing sleeve and connected with the pressing sleeve, and the fixed seat is fixed on a bench vice.

In the preferred scheme, a shaft is arranged on one side of a base in the fixing seat, a first fixing hole is formed in one side of the shaft, the spring is sleeved on the shaft, and the end part of the spring penetrates into the first fixing hole.

In the preferred scheme, the base both sides are equipped with the boss, bench vice centre gripping base both sides, the boss supports and leans on at the bench vice top.

In the preferred scheme, a straight groove is formed in one side of the pressing sleeve, and the end part of the torque wrench is clamped in the straight groove.

In a preferred scheme, a second fixing hole is formed in one side of the through hole in the pressing sleeve, the shaft penetrates into the through hole, and the end part of the spring penetrates into the second fixing hole.

In a preferred scheme, the two sides of the shaft are provided with a starting scale mark and an ending scale mark.

The using method comprises the following steps: s1, clamping the fixed seat on a bench vice;

s2, sleeving a spring on the fixed seat, and inserting one end of the spring into the first fixed hole;

s3, sleeving the pressing sleeve on the fixed seat, and inserting the other end of the spring into the second fixed hole;

s4, the end part of the torque wrench is clamped into the straight groove, and the torque wrench is opposite to the initial scale mark;

s5, setting the torque value of the torque wrench according to the requirement;

s6, twisting the torque wrench to a click sound, and immediately stopping;

and S7, checking whether the torque wrench stays at the end scale mark.

The invention provides a torsion spring torsion detection device and a use method thereof.A tool clamp formed by a fixed seat and a pressing sleeve is adopted to fixedly suspend two ends of a spring in the air, one end of the fixed seat is clamped and fixed by a bench vice, a torsion wrench is clamped into one end of the pressing sleeve, the torsion value of the torsion wrench is set, the torsion wrench is twisted from a starting scale mark to an ending scale mark, and the torsion wrench stops immediately after clicking, and whether the position of the torsion wrench is on the ending scale mark is observed, so that whether the torsion of the spring is qualified or not is rapidly detected.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a general structural view of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a view of the structure of the fixing base of the present invention;

FIG. 4 is a view of the press sleeve construction of the present invention;

in the figure: a bench vice 1; a fixed seat 2; a base 201; a boss 202; a shaft 203; a first fixing hole 204; start tick mark 205; end tick mark 206; a torque wrench 3; pressing sleeve 4; a straight slot 401; a second fixing hole 402; a through hole 403; and a spring 5.

Detailed Description

Example 1

As shown in fig. 1-4, a torsion spring torsion detection device, including fixing the fixing base 2 and the pressure cover 4 at 5 both ends of spring, 4 one side of pressure cover is equipped with torque wrench 3, and torque wrench 3 is connected with pressure cover 4, fixing base 2 is fixed at bench vice 1, and from this structure, adopt fixing base 2 and the frock clamp who presses cover 4, fix the both ends of spring 5, fixing base 2 is fixed by 1 centre gripping of bench vice, and it is rotatory that pressure cover 4 passes through 3 rotatory drive spring 5 of torque wrench, and it is qualified to record the torsion of spring 5, simple structure, and the installation is dismantled conveniently, and torque wrench 3 measures torsion data accuracy.

In a preferable scheme, a shaft 203 is arranged on one side of a base 201 in the fixed seat 2, first fixing holes 204 are arranged on two sides of the shaft 203, the spring 5 is sleeved on the shaft 203, and the end part of the spring 5 penetrates into the first fixing holes 204, so that in the structure, a certain distance is reserved between the first fixing holes 204 and the shaft 203, the spring 5 cannot abut against the shaft 203 when being sleeved on the shaft 203, and the accuracy of measured data is ensured.

In the preferred scheme, base 201 both sides are equipped with boss 202, 1 centre gripping base 201 both sides of bench vice, boss 202 supports and leans on at 1 tops of bench vice, from this structure, base 201 is placed on 1 of bench vice, and boss 202 can let base 201 self-leveling, guarantees that base 201 is perpendicular with bench vice 1, makes spring 5 crouch and puts.

In the preferred scheme, press 4 one sides of cover to be equipped with straight flute 401, 3 tip cards of torque wrench go into straight flute 401, from this structure, press the straight flute 401 and the 3 tip phase-matchs of torque wrench of 4 one sides of cover, rotatory torque wrench 3 can drive and press cover 4 and spring 5 rotatory, easy operation is convenient.

In a preferable scheme, second fixing holes 402 are arranged on two sides of a through hole 403 in the pressing sleeve 4, the shaft 203 penetrates into the through hole 403, and the end of the spring 5 penetrates into the second fixing hole 402, so that in the structure, a certain distance exists between the second fixing hole 402 and the shaft 203, and the spring 5 is suspended through the first fixing hole 204 and the second fixing hole 402, and cannot abut against the shaft 203 to influence the accuracy of measurement data.

In a preferred embodiment, the starting scale mark 205 and the ending scale mark 206 are arranged on two sides of the shaft 203, so that the set scale mark position is a half-turn position of the rotary spring 5, and accordingly, a half-required torque value of the rotary spring 5 is set, otherwise, the torque value of the torque wrench 3 is set, the torque wrench 3 is rotated to a click sound and immediately stopped, whether the torque wrench 3 reaches the position of the ending scale mark 206 is checked, whether the spring 5 is qualified is detected, batch detection is simple and convenient, and detection precision is high.

Example 2

Further explaining with reference to embodiment 1, as shown in fig. 1 to 4, detecting whether the spring 5 is qualified, rotating one end of the spring 5 by a certain angle corresponding to a certain torsion value, wherein the spring 5 is qualified when matched, and is not qualified when exceeding an error range; when the spring 5 is vertically placed and detected, the torsion spring 5 rotates and becomes tighter and tighter, the adjacent spring wires have friction force, and the spring 5 and the tool fixture have certain weight, so that the measured data does not reach the standard; therefore, the whole device is horizontally placed on the bench vice 1, the shaft 203 is polished and coated with lubricating grease, the friction between the pressing sleeve 4 and the shaft 203 is reduced, the error value is reduced, the accuracy of measured data is ensured, and the horizontal placement has no error influence caused by self weight; during the use, directly install spring 5 in the frock clamp that fixing base 2 and pressure cover 4 are constituteed, the both ends of spring 5 are fixed in first fixed orifices 204 and second fixed orifices 402, spring 5 is unsettled, the inner wall does not contact with axle 203, then with fixing base 2 with bench vice 1 centre gripping, boss 202 supports and leans on in bench vice 1 upper end, make fixing base 2 and bench vice 1 be in perpendicularly, then only need press the one side card of cover 4 to go into torque wrench 3, rotate torque wrench 3 from initial scale mark 205 to end scale mark 206 department, stop immediately when torque wrench 3 clicks one, look over torque wrench 3 and judge whether qualified at end scale mark 206 here that whether spring 5 is judged, improved batch detection efficiency greatly, it is accurate to detect.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. A torsion spring torsion detection device is characterized in that: the device is characterized by comprising a fixing seat (2) and a pressing sleeve (4) which are fixed at two ends of a spring (5), wherein a torque wrench (3) is arranged on one side of the pressing sleeve (4), the torque wrench (3) is connected with the pressing sleeve (4), and the fixing seat (2) is fixed on a bench vice (1).

2. A torsion spring torsion detecting apparatus according to claim 1, wherein: a shaft (203) is arranged on one side of a base (201) in the fixing seat (2), a first fixing hole (204) is formed in one side of the shaft (203), the spring (5) is sleeved on the shaft (203), and the end portion of the spring (5) penetrates into the first fixing hole (204).

3. A torsion spring torsion detecting apparatus according to claim 1 or 2, wherein: base (201) both sides are equipped with boss (202), bench vice (1) centre gripping base (201) both sides, boss (202) support and lean on at bench vice (1) top.

4. A torsion spring torsion detecting apparatus according to claim 1, wherein: a straight groove (401) is formed in one side of the pressing sleeve (4), and the end portion of the torque wrench (3) is clamped into the straight groove (401).

5. A torsion spring torsion detecting apparatus according to claim 1 or 2, wherein: a second fixing hole (402) is formed in one side of a through hole (403) in the pressing sleeve (4), the shaft (203) penetrates into the through hole (403), and the end of the spring (5) penetrates into the second fixing hole (402).

6. A torsion spring torsion detecting apparatus according to claim 2, wherein: and a starting scale mark (205) and an ending scale mark (206) are arranged on two sides of the shaft (203).

7. The use method of the torsion spring torsion detection device according to any one of claims 1 to 6, the method comprising:

s1, the fixed seat (2) is clamped on the bench vice (1);

s2, sleeving a spring (5) on the fixed seat (2), and inserting one end of the spring (5) into the first fixing hole (204);

s3, sleeving the pressing sleeve (4) on the fixed seat (2), and inserting the other end of the spring (5) into the second fixing hole (402);

s4, the end of the torque wrench (3) is clamped into the straight groove (401), and the torque wrench (3) is opposite to the initial scale mark (205);

s5, setting the torque value of the torque wrench (3) according to the requirement;

s6, twisting the torque wrench (3) to click, and immediately stopping;

and S7, checking whether the torque wrench (3) stays at the end scale mark (206).