CN209182141U - A kind of high-speed stretch protective device of softwood - Google Patents
A kind of high-speed stretch protective device of softwood Download PDFInfo
- Publication number
- CN209182141U CN209182141U CN201821943341.2U CN201821943341U CN209182141U CN 209182141 U CN209182141 U CN 209182141U CN 201821943341 U CN201821943341 U CN 201821943341U CN 209182141 U CN209182141 U CN 209182141U
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- China
- Prior art keywords
- protective device
- softwood
- hole
- pedestal
- speed stretch
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Abstract
The utility model provides a kind of high-speed stretch protective device of softwood, seat structure including sample can be connect and can placed with clamp of stretching tester, the identification section that seat structure height is greater than sample adds the length of changeover portion, and seat structure height is less than the length of sample.Seat structure from top to bottom successively includes branch support, supporting structure and pedestal, and branch support is connect by supporting structure with pedestal, supports and is equipped with the through-hole that can place sample on top and bottom seat.A kind of high-speed stretch protective device of softwood described in the utility model solves material and carries out in mechanical stretch test, and exemplar test section is very likely bent or breaks, to influence test accuracy or directly result in the not available problem of exemplar.
Description
Technical field
The utility model belongs to test equipment protection field, more particularly, to a kind of high-speed stretch protective device of softwood.
Background technique
The high speed tensile test of material at room temperature is carried out using ZWICK/ROLLE HTM16020 equipment, test specimen completes clamping
When starting test, the acting device of testing machine is had the following characteristics that
1. slowly movement is preloaded actuation main shaft upwards with mouse cage first, reach contact force value when preloading force value
Setting value when, system think the position be test specimen installation site；
2. then main shaft stops after moving down a distance with mouse cage, then accelerates to move upwards, realize exemplar
Drawing process；
3. the distance that mouse cage moves down is moved by testing machine system-computed, system thinks to work as mouse by the acceleration of this section of distance
Mouse cage movement speed is equal to test setting speed when cage reaches test specimen installation site, breaks test specimen with the speed；
4. upper fixture is supported by test specimen during mobile under mouse cage, it is directed to the test specimen of softer material, is born
The not power that upper fixture applies, test specimen test section is very likely bent or breaks, to influence test accuracy or directly lead
Cause exemplar unavailable.
So being directed to the high speed tensile test at room temperature of softwood, a protective device is needed to prevent tests exemplar
Shield reduces test failure rate, improves test accuracy, while also carrying out certain journey to testing machine to ensure that tests is normally carried out
The protection of degree.
Summary of the invention
In view of this, the utility model is directed to a kind of high-speed stretch protective device of softwood, solves material progress
In mechanical stretch test, exemplar test section is very likely bent or breaks, to influence test accuracy or directly result in sample
The not available problem of part.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of high-speed stretch protective device of softwood, including can be connect with clamp of stretching tester and quilt can be placed
The seat structure of sample, the identification section that the seat structure height is greater than the sample adds the length of changeover portion, described
Seat structure height is less than the length of the sample.
Further, the seat structure from top to bottom successively includes branch support, supporting structure and pedestal, the branch support
It is connect by the supporting structure with the pedestal, the logical of sample can be placed by being equipped on the support top and bottom seat
Hole, the through-hole of the branch support and the through-hole of the pedestal are located at same axis.
Further, the supporting structure includes multiple brackets, and described bracket one end and the pedestal upper surface are affixed, institute
It states the bracket other end and branch support lower end surface is affixed.
Further, the bracket includes adjusting screw and sleeve, and the sleeve passes through adjusting nut and the adjusting
Lead screw connection.
Further, the adjusting screw is equipped with the locking nut that can lock the adjusting nut.
Further, the pedestal lower end surface is equipped with the hollow out for being tested exemplar Yu clamp of stretching tester attended operation
Area.
Further, the through-hole is rectangular through-hole.
Further, the branch is provided with four, and four brackets are evenly arranged on four angles of the through-hole.
Further, the branch is provided with three, and three brackets are evenly arranged on the outside of the through-hole.
Compared with the existing technology, a kind of high-speed stretch protective device of softwood described in the utility model has following excellent
Gesture:
A kind of high-speed stretch protective device of softwood described in the utility model, the present apparatus effectively can stop testing machine to be made
The upper fixture of dynamic device is broken or bending test exemplar, so that success of the test rate be effectively ensured, avoid exemplar and testing equipment by
To damage, test accuracy is improved；The present apparatus is simple and reliable for structure, reusable, safety and environmental protection；It only need to be by three when use
Sub-unit is completed, and is placed on lower fixture, not complicated installation requirement, and Project Realization degree is high；The present apparatus
Overall structure be it is split type, substantially reduce processing technology requirement, low in cost, production is simple, easily obtains.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of fractionation knot of the high-speed stretch protective device embodiment one of softwood described in the utility model embodiment
Structure schematic diagram；
Fig. 2 is a kind of combination knot of the high-speed stretch protective device embodiment one of softwood described in the utility model embodiment
Structure schematic diagram；
Fig. 3 is a kind of work knot of the high-speed stretch protective device embodiment one of softwood described in the utility model embodiment
Structure schematic diagram；
Fig. 4 shows for a kind of structure of the high-speed stretch protective device embodiment two of softwood described in the utility model embodiment
It is intended to；
Fig. 5 is a kind of work knot of the high-speed stretch protective device embodiment two of softwood described in the utility model embodiment
Structure schematic diagram.
Description of symbols:
1- pedestal；2- bracket；3- branch support；4- bolt；5- circular hole；6- bolt hole；7- through-hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of high-speed stretch protective device of softwood, as shown in Figure 1, include can be connect with clamp of stretching tester and
The seat structure of sample can be placed, the identification section that seat structure height is greater than sample adds the length of changeover portion, branch
Holder structure height is less than the length of sample.
Seat structure from top to bottom successively include branch support 3, supporting structure and pedestal 1, branch support 3 by supporting structure with
Pedestal 1 connects, and the through-hole 7 that can place sample is equipped on branch support 3 and pedestal 1, and 1 lower end surface of pedestal, which is equipped with, is used for quilt
The vacancy section of test sample part and clamp of stretching tester attended operation, through-hole 7 are rectangular through-hole, the through-hole 7 and pedestal 1 of branch support 3
Through-hole 7 be located at same axis.
As shown in Figure 1, embodiment one, supporting structure includes multiple brackets 2, and there are four bracket 2 is set, four brackets 2 are uniformly distributed
On four angles of through-hole 7., 2 one end of bracket and 1 upper surface of pedestal are affixed, and 2 other end of bracket and 3 lower end surface of branch support are affixed.
As shown in figure 3, embodiment two, there are three bracket 2 is set, three brackets 2 are evenly arranged on the outside of through-hole 7.Bracket 2 wraps
Adjusting screw 22 and sleeve 21 are included, sleeve 21 is connect by adjusting nut 23 with adjusting screw 22, and adjusting screw 22 is equipped with energy
Enough locking nuts 24 for locking adjusting nut 23.
The working method of this example
The present apparatus is mounted between the upper fixture of acting device and lower fixture, by upper fixture to the upper clamping end A of exemplar
Clamping is carried out, clamping is carried out by lower clamping end B of the lower fixture to exemplar, tests exemplar passes through seat structure, is installed on fixture
Among, as shown in attached drawing 3,5；The installation and stretching of exemplar can be neither influenced, and exemplar quilt can be prevented during stretching
It bends or breaks.
Pedestal 1 is used to place bracket, and cooperates the branch support 3 of support top with bracket 2, and 1 medium design of pedestal has through-hole
7, tests exemplar passes through the through-hole 7 and is installed, and the surrounding design of 1 upper surface of pedestal has and 2 equal diameter circular hole of bracket, bracket 2
Being placed in hole can be fixed, convenient disassembly；Pedestal lower part is opening design, and testing crew is facilitated to carry out down using tool
The bolt of fixture is tightened；
Bracket 2 is used to connecting component pedestal 1 and top support 3, and plays the role of top support 3, bracket 2 with the cooperation of pedestal 1
It is fastened with 3 contact portion of branch support by bolt 4；
Branch support 3 is used to support the upper fixture of testing machine acting device, upper fixture be displaced downwardly to prevent upper fixture bend or
Break sample；Supporting top surface to expand, there are two circular hole 5, bolt hole 6 and rectangular openings, by the bolt hole 6 of top support 3 to carry out
Bolt 4 is tightened, and pedestal 1 and branch support 3, the through-hole 7 of top support 3 and the through-hole 7 of pedestal 1 are located on same axis, tests exemplar
Across two through-holes 7, it is fixed on fixture up and down, realizes the device during the tensile test to the protection of tests exemplar；Examination
Testing has two bolts for being higher than fixture lower surface in machine upper fixture, be moved into circular hole 5 when upper fixture moves down, under bolt extension and work as
In, Circularhole diameter is greater than two bolt and nut diameters in upper fixture；
When assembling the protective device, branch support 3 and the fastening bolt 4 of bracket 2 are combined installation first, then by group
Install the combination installation that whole device can be completed in the correspondence circular hole of 2 inserted base 1 of bracket of part.
The device is placed under testing machine on fixture when use, keeps the device central axes and grip of testing machine central axes
It essentially coincides, the through-hole of through-hole 7 and pedestal 1 that sample passes through branch support 3 is installed into 7 rows, and the sample is completed on upper and lower fixture
The fixation of part.
Exemplar stretched operation step:
1, device is integrally divided into pedestal 1, supporting structure and 3 three parts of top support to assemble；
2, device is integrally placed under testing machine on fixture, keeps the device central axes and grip of testing machine central axes base
It can also be finely tuned after this exemplar clamping；
3, testing machine acting device is in exemplar installation site at this time, and clamping end on exemplar is installed on acting device and is pressed from both sides
Among tool, upper fixture is moved down, so that exemplar is passed through the protective device through-hole 7 being placed on lower fixture, then by clamping end under exemplar
It is fixed under testing machine in fixture；
4, protective device is finely adjusted, is moved to suitable position, guarantee that exemplar is substantially at 7 center of through-hole i.e.
It can；
5, tension test can be carried out by completing above step, after sample breaking test, unclamped upper fixture collet, taken out
The top half for breaking exemplar, makes to break exemplar top half and separates with protective device, protective device at this moment can be removed, under release
Collet takes out lower half portion exemplar, terminates the secondary test；
6, the tension test that step 2-5 carries out next exemplar is repeated
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of high-speed stretch protective device of softwood, it is characterised in that: including can be connect with clamp of stretching tester and
The seat structure of sample can be placed, the identification section that the seat structure height is greater than the sample adds changeover portion
Length, the seat structure height are less than the length of the sample.
2. a kind of high-speed stretch protective device of softwood according to claim 1, it is characterised in that: the seat structure by
Successively include branch support (3), supporting structure and pedestal (1) under, the branch support (3) by the supporting structure with it is described
Pedestal (1) connects, and is equipped with the through-hole (7) that can place sample, the support on the branch support (3) and pedestal (1)
The through-hole (7) of the through-hole (7) and the pedestal (1) that push up (3) is located at same axis.
3. a kind of high-speed stretch protective device of softwood according to claim 2, it is characterised in that: the supporting structure packet
Include multiple brackets (2), described bracket (2) one end and the pedestal (1) upper surface are affixed, bracket (2) other end with it is described
Branch support (3) lower end surface is affixed.
4. a kind of high-speed stretch protective device of softwood according to claim 3, it is characterised in that: the bracket (2) is equal
Including adjusting screw (22) and sleeve (21), the sleeve (21) is connected by adjusting nut (23) and the adjusting screw (22)
It connects.
5. a kind of high-speed stretch protective device of softwood according to claim 4, it is characterised in that: the adjusting screw
(22) it is equipped with the locking nut (24) that the adjusting nut (23) can be locked.
6. according to a kind of described in any item high-speed stretch protective devices of softwood of claim 2-5, it is characterised in that: the bottom
Seat (1) lower end surface is equipped with the vacancy section for being tested exemplar Yu clamp of stretching tester attended operation.
7. a kind of high-speed stretch protective device of softwood according to claim 2, it is characterised in that: the through-hole (7) is
Rectangular through-hole.
8. a kind of high-speed stretch protective device of softwood according to claim 3, it is characterised in that: the bracket (2) sets
There are four, four brackets (2) are evenly arranged on four angles of the through-hole (7).
9. a kind of high-speed stretch protective device of softwood according to claim 4, it is characterised in that: the bracket (2) sets
There are three, three brackets (2) are evenly arranged on the outside of the through-hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821943341.2U CN209182141U (en) | 2018-11-23 | 2018-11-23 | A kind of high-speed stretch protective device of softwood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821943341.2U CN209182141U (en) | 2018-11-23 | 2018-11-23 | A kind of high-speed stretch protective device of softwood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182141U true CN209182141U (en) | 2019-07-30 |
Family
ID=67374029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821943341.2U Active CN209182141U (en) | 2018-11-23 | 2018-11-23 | A kind of high-speed stretch protective device of softwood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406259A (en) * | 2018-11-23 | 2019-03-01 | 中国汽车技术研究中心有限公司 | A kind of high-speed stretch protective device of softwood |
-
2018
- 2018-11-23 CN CN201821943341.2U patent/CN209182141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406259A (en) * | 2018-11-23 | 2019-03-01 | 中国汽车技术研究中心有限公司 | A kind of high-speed stretch protective device of softwood |
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