CN213121400U - Tension testing device - Google Patents
Tension testing device Download PDFInfo
- Publication number
- CN213121400U CN213121400U CN202022014440.6U CN202022014440U CN213121400U CN 213121400 U CN213121400 U CN 213121400U CN 202022014440 U CN202022014440 U CN 202022014440U CN 213121400 U CN213121400 U CN 213121400U
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- lead screw
- seat
- testing device
- plate
- tension
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Abstract
The utility model discloses a tension testing device, which comprises a digital display tension meter, a pull rod, a support and a slide rail mechanism, wherein the support is provided with a protection plate and a conical protection cover which are arranged in sequence, the measured part mounting seat, the wide mouth end orientation of toper protection casing is surveyed the part mounting seat, the one end of pull rod is passed the toper protection casing and is connected with the measured part, slide rail mechanism establishes on the support, slide rail mechanism includes the lead screw seat, the lead screw, the sliding seat, guide bar and force cell sensor, screw connection is on the lead screw seat, the guard plate is passed to the one end of lead screw, the other end of lead screw extends towards the toper protection casing, sliding seat threaded connection is on the lead screw, guide bar and lead screw parallel arrangement and with sliding seat sliding connection, force cell sensor passes through the data line and is connected with digital display tensiometer, the sliding seat is connected to force cell sensor's one end, the other end of pull rod is connected to force cell. The utility model discloses tension testing device is used for solving the potential safety hazard problem that current tension testing device exists.
Description
Technical Field
The utility model relates to a tensile test technical field, concretely relates to tensile test device.
Background
At present, tension loads in industries such as electronic appliances, light industry textiles, building hardware, lighters, ignition devices, fire-fighting equipment, pen making, lock making, fishing gear, power machinery, scientific research institutions and the like are mostly detected by adopting a tension testing device.
When the existing tension testing device is used for tension testing, sometimes a tested piece needs to be pulled until the tested piece is broken, or the tested piece is pulled to be separated from a matching piece connected with the tested piece. When the pulling force is larger, the acceleration is higher, and the tested piece is easy to fly out to cause accidents.
Disclosure of Invention
An object of the utility model is to provide a tension testing device to solve the potential safety hazard problem that current tension testing device exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a tensile testing apparatus comprising:
a digital display type tension meter;
a pull rod;
the protective plate, the conical protective cover and the measured piece mounting seat are sequentially arranged on the support, the wide opening end of the conical protective cover faces the measured piece mounting seat, and one end of the pull rod penetrates through the conical protective cover to be connected with the measured piece;
the sliding rail mechanism is arranged on the support;
the slide rail mechanism includes:
a lead screw seat;
the lead screw is connected to the lead screw seat, one end of the lead screw penetrates through the protection plate, and the other end of the lead screw extends towards the conical protection cover;
the sliding seat is in threaded connection with the lead screw;
the guide rod is arranged in parallel with the screw rod and is in sliding connection with the sliding seat;
the force measuring sensor is connected with the digital display type tension meter through a data line, one end of the force measuring sensor is connected with the sliding seat, and the other end of the force measuring sensor is connected with the other end of the pull rod.
In some embodiments, the slide mount comprises:
a slider;
the U-shaped seat is connected to the sliding block, the force measuring sensor is matched with the U-shaped seat, one end of the force measuring sensor is connected with the U-shaped seat through a first pull ring and a first pin shaft, and the other end of the force measuring sensor is connected with the pull rod through a second pull ring and a second pin shaft.
In some embodiments, the U-shaped seat includes a bottom plate, and a first side plate and a second side plate that are disposed opposite to each other, and the first side plate and the second side plate are both provided with a round hole that is adapted to the first pin and a long hole that is adapted to the second pin.
In some embodiments, the tie rod comprises:
the two ends of the steel wire rope are connected to the second pin shaft;
and one end of the spring is hung on the steel wire rope, and the other end of the spring is hung on the measured piece.
In some embodiments, the method comprises:
the arched protective cover is connected to the support in a sliding mode and provided with a first position covering the region between the protective plate and the tested piece mounting seat and a second position exposing the region between the protective plate and the tested piece mounting seat.
In some embodiments, a storage box for placing the digital display tension meter is arranged on one side of the protection plate, which faces away from the measured piece mounting seat.
In some embodiments, a display screen is arranged on one side of the protection plate, which faces away from the installation seat of the measured part.
In some embodiments, the protective plate is a transparent plate body, and the cone-shaped protective cover is a transparent cone-shaped cover body.
In some embodiments, a ratchet handle is included that is fitted to one end of the lead screw.
In some embodiments, the guide rods are arranged on both sides of the screw rod, and the guide rods are connected to the screw rod seat.
Compared with the prior art, the utility model discloses an advantage and beneficial effect are:
1. when the tester utilizes the lead screw to make the sliding seat remove through rotating, can stand in the one end that the lead screw passed the guard plate, the cone-shaped protection casing is kept away from to this end of lead screw, is surveyed a mount pad, helps making the tester keep away from by survey.
2. Adopt digital display tensiometer to carry out the tension test, digital display tensiometer passes through the data line and is connected with force cell sensor, and when the pulling force value on the digital display tensiometer was looked over to the tester, can independently keep away from by survey piece mount pad.
3. The toper protection casing that sets up separates between the slide rail mechanism installation region on with the support and the measured piece, and when being measured a fracture or being measured and being separated from between the piece mount pad, the toper protection casing can block to be measured a direction slide rail mechanism installation region and stand in the tester fly-shooting of lead screw one end as the one-level protective screen, therefore, can avoid slide rail mechanism to receive and collide with the damage, also is favorable to protecting the tester.
4. The guard plate that sets up is as the second grade protective screen, with the cooperation of toper protection casing, can play the effect of dual guarantee, is favorable to thoroughly stopping the potential safety hazard.
Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the invention, which is to be read in connection with the accompanying drawings.
Drawings
Fig. 1 is a front view of a tension testing device according to an embodiment of the present invention;
fig. 2 is a top view of the sliding seat and the force sensor of the tension testing device according to an embodiment of the present invention after being assembled;
description of reference numerals:
a digital display type tension meter 1;
a pull rod 2;
a support 3; a shielding plate 31; a storage box 311; a conical shield 32; a measured piece mounting base 33;
a slide rail mechanism 4; a lead screw base 41; a lead screw 42; a slide seat 43; a slider 431; a U-shaped seat 432; a guide rod 44; a load cell 45.
A ratchet handle 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the present embodiment provides a tensile testing apparatus, which includes a digital display type tension meter 1, a pull rod 2, a support 3, and a slide rail mechanism 4.
Support 3 is equipped with guard plate 31, toper protection casing 32 and the piece mount pad 33 of being surveyed that arranges in proper order as test platform on support 3, and the wide mouth of toper protection casing 32 holds the orientation is surveyed a mount pad 33, the one end of pull rod 2 is passed the narrow mouth of toper protection casing 32, the one end of pull rod 2 be used for with install the piece of being surveyed on being surveyed a mount pad 33 and be connected.
The slide rail mechanism 4 is connected to the support 3 and located between the protection plate 31 and the conical protection cover 32 for assisting a tester to pull the tested piece linearly. The slide rail mechanism 4 includes a screw base 41, a screw 42, a slide base 43, a guide rod 44, and a load cell 45. Lead screw seat 41 is connected on support 3, and lead screw 42 is connected on lead screw seat 41, and lead screw 42 can rotationally connect on support 3 through lead screw seat 41, and as shown in the figure, guard plate 31 is passed in order to supply the tester to operate the rotation to the one end of lead screw 42, and lead screw 42's the other end extends towards toper protection casing 32, and sliding seat 43 threaded connection is on lead screw 42. In order to guide the slide block 43 to perform a linear reciprocating movement under the driving of the lead screw 42, a guide rod 44 is arranged parallel to the lead screw 42 and slidably connected to the slide block 43, and the guide rod can be fixed on the lead screw block 41 or on the support 3.
The force measuring sensor 45 is installed on the sliding seat 43, specifically, one end of the force measuring sensor 45 is connected with the sliding seat 43, the force measuring sensor 45 is connected with the digital display type tension meter 1 through a data line, and the other end of the force measuring sensor 45 is connected with the other end of the pull rod 2.
The structure of the mount 33 of the device under test is not exclusive, and the structure may be designed according to the prior art or the structure, shape and material of the device under test.
In testing the tensile strength of the tested piece, the tested piece mounting seat 33 may include a clamp capable of clamping and fixing the tested piece.
When testing the maximum tensile load that can bear when separating between the piece under test and the fitting piece that it is connected, the piece mount pad 33 under test can include the fitting piece of being connected with the piece under test to the realization utilizes the actual operating condition of piece under test mount pad 33 simulation under test, and the cooperation relation between piece under test and the fitting piece may be clamping fit, welding fit, bonding fit, absorption fit etc. cooperation mode according to actual conditions.
Utilize toper protection casing 32 as one-level barrier in this embodiment, guard plate 31 has effectively protected tester and slide rail mechanism 4 when not hindering the tensile test as the second grade barrier, has prolonged slide rail mechanism 4's life cycle when effectively having solved the potential safety hazard.
In some embodiments, in order to facilitate the tester to check the state of the slide rail mechanism 4 and the tested object on the other side of the protection plate 31 in real time when the tester is on one side of the protection plate 31, the protection plate 31 may be modified into a transparent plate body with sufficient structural strength, and the cone-shaped protection cover 32 may be modified into a transparent cone-shaped cover body with sufficient structural strength.
In some embodiments, the tensile testing apparatus may further include an arched shield slidably connected to the support 3, and specifically, a rail slidably engaged with the arched shield may be provided on each side of the slide rail mechanism 4, the rail being disposed in parallel with the lead screw 42, and the arched shield slides along the length direction of the lead screw 42, and has a first position covering the area between the protection plate 31 and the mounting seat 33 of the tested object and a second position exposing the area between the protection plate 31 and the mounting seat 33 of the tested object.
In some embodiments, the arcuate shield may also be a transparent arcuate shield having sufficient structural strength.
In order to effectively secure the load cell 45 while protecting the load cell 45, the sliding base 43 includes a sliding block 431 and a U-shaped base 432 connected to the sliding block 431, as shown.
In order to improve the reliability of the sliding connection between the guide rod 44 and the sliding seat 43, the guide rod 44 is embodied as a guide shaft in the embodiment, the guide shaft has two guide shafts respectively located at two sides of the guide rod 42, correspondingly, shaft holes adapted to be inserted into the guide shafts are provided at two sides of the threaded hole on the sliding block 431, and the guide shafts can be fixed on the guide rod seat 41 together with the guide rod 42.
The load cell 45 is positioned in the U-shaped seat 432 and is fittingly inserted into the U-shaped seat 432. One end of the force sensor 45 is in threaded connection with a first pull ring, a first pin shaft penetrates between the first pull ring and the U-shaped seat 432, and namely one end of the force sensor 45 is connected with the U-shaped seat 432 through the first pull ring and the first pin shaft. The other end of the force measuring sensor 45 is in threaded connection with a second pull ring, a second pin shaft penetrates between the second pull ring and the pull rod 2, and namely the other end of the force measuring sensor 45 is connected with the pull rod 2 through the second pull ring and the second pin shaft.
In this embodiment, the U-shaped seat 432 includes a bottom plate, and a first side plate and a second side plate which are arranged oppositely, the first side plate and the second side plate are both provided with round holes which are arranged oppositely, the first pin shaft is arranged in the first pull ring and the round hole in a penetrating manner, and the axial fixation of the first pin shaft is realized through the fixation of the first split pin.
Furthermore, the first side plate and the second side plate are provided with strip holes which are oppositely arranged, and the second pin shaft penetrates through the second pull ring and the strip holes and is fixed through the second split pin to realize axial fixation. The matching of the strip hole and the second pin shaft can effectively limit the other end of the force measuring sensor 45 from moving up and down, and the transmission of the pulling force between the pull rod 2 and the force measuring sensor 45 can not be influenced.
In order to facilitate the communication connection between the digital display tension meter 1 and the force measuring sensor 45, the present embodiment further provides a yielding port for the data line to pass through on the first side plate and the second side plate.
In this embodiment, the pull rod 2 specifically includes a steel wire rope and a spring, wherein both ends of the steel wire rope are hung on the second pin shaft through a steel wire rope chuck and are located on both sides of the second pull ring. One end of the spring is articulated with the steel wire rope, and the other end of the spring can be directly articulated with the tested piece or adopt other existing connection modes according to the structure of the tested piece.
In order to make the tester rotate the screw rod 42 more laborsavingly, one end of the screw rod 42 is designed to be a polygonal cylinder, and the tester can rotate the screw rod 42 through the ratchet handle 5 which is fittingly sleeved with the polygonal cylinder.
In order to save the material of the support 3 and ensure the stability of the support 3, the support 3 is of a frame structure in this embodiment, and includes a top frame and a plurality of support legs for supporting the top frame, specifically, the top frame is rectangular, and includes a first frame, a second frame and a third frame and a fourth frame which are arranged oppositely, the support legs are respectively connected to the corners of the adjacent frames, and a first upper cross brace is welded between the third frame and the fourth frame.
The lead screw bases 41 are specifically two and are respectively connected to the first frame and the first upper cross brace, the two lead screw bases 41 are reinforced by welding a triangular plate, and the measured piece mounting base 33 is connected to the second frame.
In order to mount the cone-shaped shield 32, in the present embodiment, a second upper cross brace for mounting the cone-shaped shield 32 is welded between the first upper cross brace and the second frame. In some embodiments, two legs connected to the third and fourth rims, respectively, may also be formed at the bottom of the cone-shaped shield 32.
To enable adjustment of the position of tapered hood 32, tapered hood 32 may also be slidably coupled to the second upper cross brace, or tapered hood 32 may be slidably coupled to the third and fourth rims, in some embodiments.
In order to reinforce the support 3, the support 3 further includes a reinforcing diagonal brace welded between the leg and the top frame and a reinforcing lower cross brace welded between adjacent legs.
Because support 3 is frame rack type structure, in order to prevent that digital display tensiometer 1 from placing and falling on support 3, this embodiment is equipped with storage box 311 in the one side of protection plate 31 dorsad measured piece mount pad 33, and storage box 311 can design for transparent box body to the tester looks over.
Since the information displayed on the digital tension meter 1 is small, in order to display the tension value more prominently, in some embodiments, a display screen which is displayed synchronously with the digital tension meter 1 can be further installed on the side of the protection plate 31 opposite to the installation seat 33 of the measured part, and specifically, a computer can be connected between the display screen and the digital tension meter 1 by using a data line.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A tensile testing apparatus, comprising:
a digital display type tension meter;
a pull rod;
the protective plate, the conical protective cover and the measured piece mounting seat are sequentially arranged on the support, the wide opening end of the conical protective cover faces the measured piece mounting seat, and one end of the pull rod penetrates through the conical protective cover to be connected with the measured piece;
the sliding rail mechanism is arranged on the support;
the slide rail mechanism includes:
a lead screw seat;
the lead screw is connected to the lead screw seat, one end of the lead screw penetrates through the protection plate, and the other end of the lead screw extends towards the conical protection cover;
the sliding seat is in threaded connection with the lead screw;
the guide rod is arranged in parallel with the screw rod and is in sliding connection with the sliding seat;
the force measuring sensor is connected with the digital display type tension meter through a data line, one end of the force measuring sensor is connected with the sliding seat, and the other end of the force measuring sensor is connected with the other end of the pull rod.
2. The tension testing device according to claim 1, wherein the sliding seat comprises:
a slider;
the U-shaped seat is connected to the sliding block, the force measuring sensor is matched with the U-shaped seat, one end of the force measuring sensor is connected with the U-shaped seat through a first pull ring and a first pin shaft, and the other end of the force measuring sensor is connected with the pull rod through a second pull ring and a second pin shaft.
3. The tension testing device according to claim 2, wherein the U-shaped seat comprises a bottom plate, and a first side plate and a second side plate which are arranged oppositely, and both the first side plate and the second side plate are provided with a round hole matched with the first pin shaft and a long hole matched with the second pin shaft.
4. The tension testing device of claim 2, wherein the tension rod comprises:
the two ends of the steel wire rope are connected to the second pin shaft;
and one end of the spring is hung on the steel wire rope, and the other end of the spring is hung on the measured piece.
5. The tension testing device according to claim 1, comprising:
the arched protective cover is connected to the support in a sliding mode and provided with a first position covering the region between the protective plate and the tested piece mounting seat and a second position exposing the region between the protective plate and the tested piece mounting seat.
6. The tension testing device according to claim 1, wherein a storage box for placing the digital display tension meter is arranged on one side of the protection plate, which faces away from the installation seat of the tested piece.
7. The tension testing device according to claim 1, wherein a display screen is arranged on one side of the protection plate, which faces away from the tested piece mounting seat.
8. The tension testing device according to claim 1, wherein the protection plate is a transparent plate body, and the cone-shaped protection cover is a transparent cone-shaped cover body.
9. The tension testing device according to claim 1, comprising a ratchet handle adapted to one end of the lead screw.
10. The tension testing device according to claim 1, wherein the guide rods are arranged on both sides of the lead screw and connected to the lead screw base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022014440.6U CN213121400U (en) | 2020-09-15 | 2020-09-15 | Tension testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022014440.6U CN213121400U (en) | 2020-09-15 | 2020-09-15 | Tension testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213121400U true CN213121400U (en) | 2021-05-04 |
Family
ID=75664026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022014440.6U Expired - Fee Related CN213121400U (en) | 2020-09-15 | 2020-09-15 | Tension testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213121400U (en) |
-
2020
- 2020-09-15 CN CN202022014440.6U patent/CN213121400U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |