CN217786103U

CN217786103U - A gauge length measuring device after sample piece fracture for tensile test

Info

Publication number: CN217786103U
Application number: CN202221364908.7U
Authority: CN
Inventors: 陈虹吉; 沈娜
Original assignee: Chengdu Sushiguangbo Environmental Reliability Technology Co ltd
Current assignee: Chengdu Sushiguangbo Environmental Reliability Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-11
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a gauge length measuring device after sample piece fracture for tensile test, including being used for placing the base on the operation panel, be provided with laser measuring assembly and fixed subassembly on the base, be provided with sample piece standing groove on the base, fixed subassembly includes slide that the slip set up in sample piece standing groove, the push pedal of movable mounting on the slide, the spring of setting between push pedal and slide and the screw rod of being connected with slide rotation, the screw rod is installed on the base through the supporting seat, passes through threaded connection between screw rod and the supporting seat, is provided with the direction subassembly between slide and the supporting seat; the laser measuring assembly is used for measuring the gauge length of the sample piece before and after tensile fracture. The utility model discloses can solve the relatively poor technical problem of measuring result accuracy in the use of reality.

Description

A gauge length measuring device after sample piece fracture for tensile test

Technical Field

The utility model relates to a measure technical field, concretely relates to a gauge length measuring device after appearance piece fracture for tensile test.

Background

In order to determine the elongation of a certain sample, the material can be made into a round bar-shaped tensile sample, and a scale distance is marked on the tensile sample; and then, breaking the tensile sample through a tensile testing machine, measuring the gauge length of the broken tensile sample, and further obtaining related parameters through calculation.

In the process of measuring the gauge length after the tensile sample is broken in the prior art, the tensile sample which is broken into two sections is manually held by one hand and is butted again, and then the vernier caliper is held by the other hand for measurement; or directly placing the tensile sample which is broken into two sections on a table top, simply splicing and then measuring.

However, the horizontal coaxiality of the broken sample affects the measurement result when the sample is taken, and meanwhile, the visual point position may have deviation, so that the accuracy of the measurement result is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gauge length measuring device behind appearance piece fracture for tensile test, it can solve the relatively poor technical problem of measuring result accuracy in the in-service use of reality.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a gauge length measuring device used for a tensile test after a sample piece is broken comprises a base used for being placed on an operation table, wherein a laser measuring assembly and a fixing assembly are arranged on the base, a sample piece placing groove is formed in the base, the fixing assembly comprises a sliding plate arranged in the sample piece placing groove in a sliding mode, a pushing plate movably arranged on the sliding plate, a spring arranged between the pushing plate and the sliding plate and a screw rod rotatably connected with the sliding plate, the screw rod is arranged on the base through a supporting seat, the screw rod is connected with the supporting seat through threads, and a guiding assembly is arranged between the sliding plate and the supporting seat; the laser measuring assembly is used for measuring the gauge length of the sample piece before and after tensile fracture.

The laser measuring assembly comprises a supporting column, a laser measuring instrument rotatably arranged on the supporting column, a data processor connected with the laser measuring instrument and a display screen connected with the data processor, the laser measuring instrument is installed on the supporting column through a rotating shaft, the rotating shaft is connected with an angle sensor, and the angle sensor is connected with the data processor.

Further optimize, be provided with the baffle on the base, the baffle is close to fixed subassembly one end side and flushes with the terminal surface of appearance standing groove.

Wherein, the sample standing groove includes V type groove and the plain groove with V type groove intercommunication, and the slide slides and sets up in V type groove and plain groove.

Further limit, the guide assembly includes the guide hole of setting on the supporting seat and sets up the guide arm on the slide, and guide arm and guide hole sliding connection.

The push plate is provided with a guide rod, the sliding plate is provided with a guide hole, the guide rod penetrates through the guide hole and is in sliding connection with the guide hole, the end part of the guide rod is provided with a limiting part, and the spring is sleeved on the guide rod.

Further optimize, be provided with the blotter on the push pedal.

Wherein, a non-slip mat is arranged below the base.

Further inject, the support column slides and sets up on the base, is provided with first actuating mechanism on the base, and first actuating mechanism is connected with the support column and is used for driving the support column and remove on the base.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model mainly comprises a laser measuring component and a fixing component, when in use, a sample piece to be measured is placed in a sample piece placing groove, so that the fracture openings of the sample piece are aligned, then a screw rod is rotated to drive a sliding plate to move in the sample piece placing groove towards the sample piece direction and to contact with the end part of the sample piece, and a spring between a push plate and the sliding plate is compressed in the continuous moving process of the sliding plate; therefore, the situation that the sample piece deforms and shortens due to overlarge stress in the pushing and extruding process can be avoided, the detection accuracy is improved, and meanwhile, the sample piece is stably fixed under the action of the spring; at the moment, the sample piece can be manually measured; the utility model discloses a gauge length around the laser survey subassembly that sets up measures the tensile fracture of appearance spare compares in artifical mode measurement that adopts slide caliper, and the result is more accurate. The utility model discloses a fix the appearance spare, it is more convenient in the time of the measurement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of fig. 1 according to the present invention.

Fig. 3 is a schematic structural diagram of the placing groove of the present invention.

Reference numerals:

101-base, 102-laser measuring component, 103-fixing component, 104-sample placing groove, 105-sliding plate, 106-push plate, 107-spring, 108-screw rod, 109-supporting seat, 110-supporting column, 111-laser measuring instrument, 112-rotating shaft, 113-baffle, 114-V-shaped groove, 115-flat groove, 116-guide rod, 117-guide rod, 118-limiting part, 119-hand wheel and 120-sample.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like are used in the orientation and positional relationship shown in the drawings for convenience in describing the embodiments of the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Moreover, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example one

Referring to fig. 1-3, the embodiment discloses a gauge length measuring device after a sample is broken for a tensile test, which includes a base 101 for being placed on an operation table, a laser measuring assembly 102 and a fixing assembly 103 are arranged on the base 101, a sample placing groove 104 is arranged on the base 101, the fixing assembly 103 includes a sliding plate 105 slidably arranged in the sample placing groove 104, a push plate 106 movably arranged on the sliding plate 105, a spring 107 arranged between the push plate 106 and the sliding plate 105, and a screw 108 rotatably connected with the sliding plate 105, the screw 108 is arranged on the base 101 through a supporting seat 109, the screw 108 is connected with the supporting seat 109 through a screw thread, and a guiding assembly is arranged between the sliding plate 105 and the supporting seat 109; the laser measuring assembly 102 is used to measure gauge length of the sample piece 120 before and after stretch breaking.

It should be noted that, in actual use, after the sample piece 120 is fixed, the measurement can be directly performed manually, for example, by using a vernier caliper; the laser measuring assembly 102 can be selected to measure when the required precision of the measurement result is very high.

The utility model mainly comprises a laser measuring component 102 and a fixing component 103, when in use, a sample piece 120 to be measured is placed in a sample piece placing groove 104, so that the fracture openings of the sample piece 120 are aligned, then a screw 108 is rotated to drive a sliding plate 105 to move towards the sample piece 120 direction in the sample piece placing groove 104 and contact with the end part of the sample piece 120, and in the process of continuous movement of the sliding plate 105, a spring 107 between a push plate 106 and the sliding plate 105 is compressed; therefore, the situation that the sample piece 120 deforms and shortens due to overlarge stress in the pushing and extruding process can be avoided, the detection accuracy is improved, and meanwhile, the sample piece 120 is fixed under the action of the spring 107; at this time, the sample piece 120 can be manually measured; the utility model discloses a gauge length around the laser survey subassembly 102 that sets up measures sample piece 120 tensile fracture, compares in artifical mode measurement that adopts slide caliper, and the result is more accurate. The utility model discloses a fix sample piece 120, it is more convenient when measuring.

The laser measuring assembly 102 comprises a support column 110, a laser measuring instrument 111 rotatably arranged on the support column 110, a data processor connected with the laser measuring instrument 111, and a display screen connected with the data processor.

In practical use, the laser measuring instrument 111 is mounted on the supporting column 110 through the rotating shaft 112, the rotating shaft 112 is connected with an angle sensor, and the angle sensor is connected with the data processor; thus, in actual use, the laser measuring instrument 111 is rotatably mounted on the supporting column 110 due to the consistent height of the supporting column 110, so that the angle of the laser emitted by the supporting column 110 can be adjusted. When the measurement is performed:

before stretching of the sample piece 120:

fixing the sample 120 in the sample placement groove 104, measuring the length of the marked line of the sample 120, as shown in fig. 2, the laser emitted by the optical measuring instrument is vertically downward and has a height H1, then rotating the optical measuring instrument to align the laser with the end of the marked line, measuring the length a1 by the optical measuring instrument, at this time, the optical measuring instrument corresponds to a deflection angle, and then calculating the length L1 by a trigonometric function;

continuing rotating the laser measuring instrument to enable the laser to be aligned with the other end of the marked line, measuring the length of a2, and then calculating the length of L2, wherein the length of the mark distance marked line is L = L2-L1;

in actual use, a1 and a2 are distances from the axis of the rotating shaft 112 to the end of the marking; the data processor can be a data processor in the prior art, and simple trigonometric function calculation is mainly realized, which is not described in detail herein.

Wherein, a baffle 113 is arranged on the base 101, and the side surface of one end of the baffle 113 close to the fixing component 103 is flush with the end surface of the sample placing groove 104; the baffle 113 can limit the sample piece 120.

The sample placing groove 104 comprises a V-shaped groove 114 and a flat groove 115 communicated with the V-shaped groove 114, and the sliding plate 105 is arranged in the V-shaped groove 114 and the flat groove 115 in a sliding manner; it is convenient to place the sample pieces 120 of different specifications, such as a rear plate type or a rod type sample piece.

Wherein, the guide assembly comprises a guide hole arranged on the support seat 109 and a guide rod 116 arranged on the sliding plate 105, and the guide rod 116 is connected with the guide hole in a sliding way. The slide plate 105 can be made more stable while moving.

The push plate 106 is provided with a guide rod 117, the sliding plate 105 is provided with a guide hole, the guide rod 117 penetrates through the guide hole and is in sliding connection with the guide hole, the end part of the guide rod 117 is provided with a limiting part 118, and the spring 107 is sleeved on the guide rod 117; facilitating stable movement of the push plate 106.

Wherein, a cushion pad is arranged on the push plate 106.

Further optimization, the anti-slip mat is arranged below the base 101, so that the anti-slip purpose is realized.

The end of the screw rod 108 is provided with a hand wheel 119, so that the adjustment is more convenient.

Example two

The present embodiment is further optimized based on the first embodiment, in the present embodiment, the supporting column 110 is slidably disposed on the base 101, and the base 101 is provided with a first driving mechanism, and the first driving mechanism is connected to the supporting column 110 and is used for driving the supporting column 110 to move on the base 101.

Due to the size of the sample piece 120, the horizontal position of the supporting column 110 on the base 101 can be adjusted conveniently, and during measurement, the supporting column 110 can be moved conveniently so that the laser projected by the laser measuring instrument 111 can be aligned with the sample piece 120, and measurement is facilitated.

The first driving mechanism may be a driving mechanism in the prior art, so as to achieve fine adjustment of the position of the supporting column 110, and the detailed structure is not described again.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims

1. The utility model provides a gauge length measuring device after appearance spare fracture for tensile test, is including being used for placing the base on the operation panel, its characterized in that:

the laser measuring device comprises a base, a laser measuring component, a fixing component and a positioning component, wherein the base is provided with a sample placing groove, the fixing component comprises a sliding plate, a push plate, a spring and a screw rod, the sliding plate is slidably arranged in the sample placing groove, the push plate is movably arranged on the sliding plate, the spring is arranged between the push plate and the sliding plate, the screw rod is rotatably connected with the sliding plate, the screw rod is arranged on the base through a supporting seat, the screw rod is connected with the supporting seat through threads, and a guide component is arranged between the sliding plate and the supporting seat; the laser measuring assembly is used for measuring the gauge length of the sample piece before and after tensile fracture.

2. The device for measuring the gauge length of the sample piece after the breakage of the tensile test according to claim 1, wherein: the laser measuring assembly comprises a supporting column, a laser measuring instrument rotatably arranged on the supporting column, a data processor connected with the laser measuring instrument and a display screen connected with the data processor, the laser measuring instrument is installed on the supporting column through a rotating shaft, the rotating shaft is connected with an angle sensor, and the angle sensor is connected with the data processor.

3. The device for measuring the gauge length of the sample piece after the breakage of the tensile test according to claim 1, wherein: be provided with the baffle on the base, the baffle is close to fixed subassembly one end side and flushes with the terminal surface of appearance standing groove.

4. The device for measuring the gauge length of the sample piece for the tensile test after the sample piece breaks according to claim 1, wherein: the sample placing groove comprises a V-shaped groove and a flat groove communicated with the V-shaped groove, and the sliding plate is arranged in the V-shaped groove and the flat groove in a sliding mode.

5. The device for measuring the gauge length of the sample piece after the breakage of the tensile test according to claim 1, wherein: the guide assembly comprises a guide hole arranged on the support seat and a guide rod arranged on the sliding plate, and the guide rod is connected with the guide hole in a sliding manner.

6. The device for measuring the gauge length of the sample piece for the tensile test after the sample piece breaks according to claim 1, wherein: the push plate is provided with a guide rod, the sliding plate is provided with a guide hole, the guide rod penetrates through the guide hole and is in sliding connection with the guide hole, the end part of the guide rod is provided with a limiting part, and the spring is sleeved on the guide rod.

7. The apparatus for measuring the gauge length of the sample piece after fracture for tensile test according to any one of claims 1 to 6, wherein: the push plate is provided with a cushion pad.

8. The apparatus for measuring the gauge length of the sample piece after fracture for the tensile test according to claim 7, wherein: an anti-slip pad is arranged below the base.

9. The device for measuring the gauge length of the sample piece after the breakage of the tensile test according to claim 1, wherein: the support column slides and sets up on the base, is provided with a actuating mechanism on the base, and a actuating mechanism is connected with the support column and is used for driving the support column and remove on the base.