CN209182176U - A kind of protective device and impact device of impact device load transducer - Google Patents
A kind of protective device and impact device of impact device load transducer Download PDFInfo
- Publication number
- CN209182176U CN209182176U CN201821944138.7U CN201821944138U CN209182176U CN 209182176 U CN209182176 U CN 209182176U CN 201821944138 U CN201821944138 U CN 201821944138U CN 209182176 U CN209182176 U CN 209182176U
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- impact
- guide post
- guide rail
- upper platen
- sensor protection
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Abstract
The utility model provides the protective device and impact device of a kind of impact device load transducer, and protective device includes guiding device, punching mechanism, guard pin and sensor protection guide rail；Punching mechanism is arranged in sensor protection guide rail upper end, and guard pin extends radially through punching mechanism and sensor protection guide rail, and when guard pin fracture, punching mechanism can be slided along sensor protection guide rail to be arranged.The protective device and impact device of a kind of impact device load transducer described in the utility model; it solves in conventional impact test process; the problem of impact test after load transducer test scope caused by sensor beyond damaging, and then resulting in the reduction of sensor testing precision.
Description
Technical field
The utility model belongs to impact test testing field, more particularly, to a kind of protection of impact device load transducer
Device and impact device.
Background technique
Currently, dropping hammer, the impact test equipments such as Hopkinson bar, hydraulic servo, or acceleration transducer mode is used, or
Using sensors of large measurement range mode, to evade impact test beyond the damage caused by sensor after load transducer test scope
Evil, which results in the reductions of testing precision.But with the promotion that measuring accuracy requires, it is mounted directly high-precision load transducer
Inevitable requirement when load is tested as impact test.So original mechanism for testing not can guarantee when high-precision sensor uses not
It is damaged.
Summary of the invention
In view of this, the utility model is directed to the protective device and a kind of impact of a kind of impact device load transducer
Equipment solves in conventional impact test process, and impact test exceeds after load transducer test scope caused by sensor
The problem of damaging, and then resulting in the reduction of sensor testing precision.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of protective device of impact device load transducer, including punching mechanism, guard pin and sensor protection guide rail；
The punching mechanism is arranged in sensor protection guide rail upper end, and the guard pin extends radially through the press machine
Structure and sensor protection guide rail, when guard pin fracture, the punching mechanism can be slided along sensor protection guide rail and be set
It sets.
Further, the punching mechanism includes ram axle and stamping connection head；The ram axle passes through stamping connection head
It is connect with the sensor protection guide rail, the guard pin extends radially through stamping connection head and sensor protection guide rail.
Further, the sensor protection guide rail is tube-in-tube structure, and the stamping connection head is slidably arranged in the biography
Sensor protects guide rail interior.
A kind of impact device, including bracket, upper platen, guiding device and the described in any item protection dresses of claim 1-3
It sets；
In sensor protection guide rail lower end, the upper platen is connected by guiding device and the bracket for the upper platen setting
It connects, the upper platen is horizontally set on the guiding device, and the upper platen is slidably connected with the guiding device, the branch
Frame upper end is equipped with the lower tray that can place sample, and the lower tray is arranged immediately below the upper platen；Under the lower tray
Side's setting load transducer.
Further, the guiding device includes multiple guide posts, and each guide post is affixed with the pedestal upper end face,
The upper platen connects sleeve by guide post and is slidably connected with each guide post, and the guide post connection length sleeve is small
In the thickness of the upper platen.
Further, retaining pin is equipped in each guide post, the retaining pin setting is connected in the guide post
Above sleeve.
Further, the retaining pin in each guide post is respectively positioned on guiding top end.
Further, the guide post is evenly arranged on the bracket upper and lower supporter disk ring week.
Further, the guide post is two, is symmetricly set on lower tray two sides.
Further, the guard pin is copper axis.
Compared with the existing technology, the protective device and one kind of a kind of impact device load transducer described in the utility model
Impact device has the advantage that
The protective device and impact device of a kind of impact device load transducer described in the utility model, are connected by punching press
Guard pin is set between connector and sensor protection guide rail, and is tested according to different shock-testings, Lai Genghuan guard pin
Material, ram axle are measured beyond the test of load transducer, and guard pin will be broken, and are carried out control load peak value with this and are no more than biography
Sensor testing range directly can carry out punching operation to sample by upper platen, and pass through sensor protection guide rail and punching
Press the connection of connector, and if then guard pin can be reached be broken in sensor protection guide rail interior, just can be direct
Play the role of limit and guiding to ram axle, when guard pin is broken, since test sample is to upper platen
Rebound effect can prevent upper platen to be detached from guide post by retaining pin, can rushed in ram axle by guide post
Guiding role is played during hitting.
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 protective device and impact device of impact device load transducer described in the utility model embodiment
Structural schematic diagram；
Fig. 2 is a kind of protective device and impact device of impact device load transducer described in the utility model embodiment
Schematic perspective view；
Fig. 3 is a kind of protective device and impact device of impact device load transducer described in the utility model embodiment
To the high speed compression load-displacement curves figure during rubber testing.
Description of symbols:
1- ram axle；2- stamping connection head；3- guard pin；4- sensor protection guide rail；The upper platen of 5-；6- retaining pin；7-
Guide post connects sleeve；8- guide post；9- sample block；10- load transducer；11 lower trays；12- bracket.
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 protective device of impact device load transducer, as shown in Figure 1, including punching mechanism, guard pin 3 and sensing
Device protects guide rail 4；
Punching mechanism is arranged in 4 upper end of sensor protection guide rail, and guard pin 3 extends radially through punching mechanism and sensor protection
Guide rail 4, ram axle 1 exceed the testing range of load transducer 10, and guard pin 3 will be broken, and carry out control load peak value not with this
More than sensor testing range, when guard pin 3 is broken, punching mechanism can be slided along sensor protection guide rail 4 to be arranged.
Punching mechanism includes ram axle 1 and stamping connection head 2；Ram axle 1 is led by stamping connection head 2 with sensor protection
Rail 4 connects, and guard pin 3 extends radially through stamping connection head 2 and sensor protection guide rail 4.
Sensor protection guide rail 4 is tube-in-tube structure, and stamping connection head 2 is slidably arranged in inside sensor protection guide rail 4.
A kind of impact device, the protection dress including any one of bracket 12, upper platen 5, guiding device and claim 1-3
It sets；
The upper setting of platen 5 is in 4 lower end of sensor protection guide rail, and upper platen 5 is connect by guiding device with bracket 12, upper pressure
Disk 5 is horizontally set on guiding device, and upper platen 5 is slidably connected with guiding device, and 12 upper end of bracket, which is equipped with, can place sample 9
Lower tray 11, the setting of lower tray 11 is immediately below upper platen 5；Load transducer 10 is set below lower tray 11.
Guiding device includes multiple guide posts 8, and each guide post 8 is affixed with 12 upper surface of bracket, and upper platen 5 is by leading
It is slidably connected to column connection sleeve 7 with each guide post 8, guide post connects the thickness that 7 length of sleeve is less than upper platen 5.
Retaining pin 6 is equipped in each guide post 8, the setting of retaining pin 6 is above guide post connection sleeve 7.
Retaining pin 6 in each guide post 8 is respectively positioned on 8 top of guide post, can prevent upper platen 5 from existing by retaining pin 6
Guide post 8 is detached from, and when the fracture of guard pin 3, is connect sleeve 7 with guide post by retaining pin 6 and is locked, to upper platen 5
Limited, and then stamping connection head 2 facilitated to carry out detaching operation inside sensor protection guide rail 4, so to guard pin 3 into
Row replacement.
Guide post 8 is evenly arranged on about 12 pallet of bracket, 11 ring week, and guide post 8 is two, is symmetricly set on 11 liang of lower tray
Side, guard pin 3 is copper axis in this example, guiding role can be played in impact process in ram axle 1 by guide post 8.
As shown in figure 3, being rubber material high speed compression load-displacement curves, load increases with displacement in compression process in figure
Increase greatly and persistently, when arriving reach to peak value 100000N, guard pin 3 is broken, and action shaft persistent movement, load is begun to decline, and reaches guarantor
Protect the purpose of impact device load transducer.
The working method of this example
Shock-testing sample is placed in lower tray 12 first, ram axle 1 drives upper platen 5, carries out to lower tray 12
Impact is tried by the way that guard pin 3 is arranged between stamping connection head 2 and sensor protection guide rail 4, and according to different shock-testings
It tests, the material of Lai Genghuan guard pin 3, ram axle 1 is measured beyond the test of load transducer 10, and guard pin 3 will be broken, with this
Carry out control load peak value no more than sensor testing range, punching operation directly can be carried out to sample by upper platen 5, and
By the connection of sensor protection guide rail 4 and stamping connection head 2, and if then guard pin 3 can be reached being led in sensor protection
It is broken inside rail 4, just directly can play the role of limit and guiding to ram axle 1, be broken in guard pin
When, since test sample is to the rebound effect of upper platen 5, it can prevent upper platen 5 from carrying out in guide post 8 by retaining pin 6
It is detached from, guiding role can be played in ram axle 1 in impact process by guide post 8.
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 (10)
1. a kind of protective device of impact device load transducer, it is characterised in that: including punching mechanism, guard pin (3) and pass
Sensor protects guide rail (4)；
The punching mechanism is arranged in sensor protection guide rail (4) upper end, and the guard pin (3) extends radially through the punching press
Mechanism and sensor protection guide rail (4)；When the guard pin (3) fracture, the punching mechanism can be led along sensor protection
Rail (4) sliding setting.
2. a kind of protective device of impact device load transducer according to claim 1, it is characterised in that: the punching press
Mechanism includes ram axle (1) and stamping connection head (2)；The ram axle (1) is protected by stamping connection head (2) and the sensor
Rail (4) connection is protected and led, the guard pin (3) extends radially through stamping connection head (2) and sensor protection guide rail (4).
3. a kind of protective device of impact device load transducer according to claim 2, it is characterised in that: the sensing
It is tube-in-tube structure that device, which protects guide rail (4), and it is internal that the stamping connection head (2) is slidably arranged in the sensor protection guide rail (4).
4. a kind of impact device, it is characterised in that: appoint including bracket (12), upper platen (5), guiding device and claim 1-3
Protective device described in one；
The upper platen (5) setting in sensor protection guide rail (4) lower end, the upper platen (5) by guiding device with it is described
Bracket (12) connection, the upper platen (5) are horizontally set on the guiding device, and the upper platen (5) and the guiding fill
It sets and is slidably connected, bracket (12) upper end is equipped with the lower tray (11) that can place sample (9), lower tray (11) setting
Immediately below the upper platen (5)；Load transducer (10) are set below the lower tray (11).
5. a kind of impact device according to claim 4, it is characterised in that: the guiding device includes multiple guide posts
(8), each guide post (8) is affixed with the bracket (12) upper surface, and the upper platen (5) connects sleeve by guide post
(7) it is slidably connected with each guide post (8), guide post connection sleeve (7) length is less than the thickness of the upper platen (5)
Degree.
6. a kind of impact device according to claim 5, it is characterised in that: be equipped with only on each guide post (8)
It moves back pin (6), retaining pin (6) setting is above guide post connection sleeve (7).
7. a kind of impact device according to claim 6, it is characterised in that: the retaining pin on each guide post (8)
(6) it is respectively positioned on guide post (8) top.
8. according to a kind of described in any item impact devices of claim 5-7, it is characterised in that: the guide post (8) is evenly arranged on
Pallet (11) ring is all up and down for the bracket (12).
9. a kind of impact device according to claim 8, it is characterised in that: the guide post (8) is two, is symmetrical arranged
In lower tray (11) two sides.
10. according to a kind of described in any item impact devices of claim 5-7, it is characterised in that: the guard pin (3) is copper
Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821944138.7U CN209182176U (en) | 2018-11-23 | 2018-11-23 | A kind of protective device and impact device of impact device load transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821944138.7U CN209182176U (en) | 2018-11-23 | 2018-11-23 | A kind of protective device and impact device of impact device load transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182176U true CN209182176U (en) | 2019-07-30 |
Family
ID=67374035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821944138.7U Active CN209182176U (en) | 2018-11-23 | 2018-11-23 | A kind of protective device and impact device of impact device load transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323935A (en) * | 2018-11-23 | 2019-02-12 | 中国汽车技术研究中心有限公司 | A kind of protective device and impact device of impact device load transducer |
-
2018
- 2018-11-23 CN CN201821944138.7U patent/CN209182176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323935A (en) * | 2018-11-23 | 2019-02-12 | 中国汽车技术研究中心有限公司 | A kind of protective device and impact device of impact device load transducer |
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