CN208270347U - A kind of Charpy impact machine tester - Google Patents
A kind of Charpy impact machine tester Download PDFInfo
- Publication number
- CN208270347U CN208270347U CN201820606057.XU CN201820606057U CN208270347U CN 208270347 U CN208270347 U CN 208270347U CN 201820606057 U CN201820606057 U CN 201820606057U CN 208270347 U CN208270347 U CN 208270347U
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- lever arm
- fixed
- arm
- fixed arm
- charpy impact
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Abstract
The utility model discloses a kind of Charpy impact machine testers, are related to measuring for materials field, comprising: testing stand；Fixed arm on the testing stand is set；Lift is assemblied in the lever arm on the fixed arm, is equipped with pendulum on the lever arm；And it is arranged on the fixed arm and the lever arm for driving the lifting assembly of the lever arm lifting；Pass through setting testing stand, fixed arm, lever arm, pendulum and lifting assembly, for adjusting the height of lever arm, to adjust the height of pendulum, the height of pendulum is adjusted according to different samples, to enable pendulum and the center of sample to be collided, the error of test result is reduced, to solve the problems, such as that the height of sample is higher, cause pendulum that cannot be collided with the center of sample, to cause biggish error to test result.
Description
Technical field
The utility model relates to measuring for materials field more particularly to a kind of Charpy impact machine testers.
Background technique
Charpy impact machine tester refers to and applies impact test power to sample, carries out the Material Testing Machine of impact test,
When testing sample, first sample is fixed on testing stand, then by the way that pendulum is turned to different height, to change pendulum
The impact force of hammer, pendulum fall the Central Collisions with sample afterwards, so that impact test is carried out to sample, still, after pendulum is fallen
Position be fixed, if the height of sample is higher, cause pendulum that cannot be collided with the center of sample, thus to examination
It tests result and causes biggish error.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Charpy impact machine tester,
Has the advantages that can to adjust pendulum height, to reduce test result error.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of Charpy impact machine tester, comprising: testing stand；Fixed arm on the testing stand is set；Lift dress
The lever arm on the fixed arm is fitted over, is equipped with pendulum on the lever arm；And it is arranged in the fixed arm and the work
For driving the lifting assembly of the lever arm lifting on swing arm.
By using above-mentioned technical proposal, it is able to use the height that lifting assembly adjusts lever arm, to adjust pendulum
Highly, the height that pendulum is adjusted according to different samples, to enable pendulum and the center of sample to be collided, to reduce
The error of test result.
Further: the fixed arm offers cavity, and the side of the lever arm is placed in the cavity；It is described
Lifting assembly includes: the shaft that rotary type is assemblied on the fixed arm, and described shaft one end is located in the cavity, the other end
Extend the fixed arm；The shaft is set and is located at internal gear in the cavity on one end；It is arranged in the lever arm
On rack gear, the rack gear is meshed with the internal gear；And be arranged in the fixed arm and shaft for will be described
Fixed fixing piece is fixed or solved to lever arm.
By using above-mentioned technical proposal, after releasing fixing piece to the fixation of lever arm, rotating shaft, internal gear is driven
Rack gear is slided along the direction of vertical fixed arm, can be made lever arm further away from accommodating cavity or is placed in accommodating cavity, thus
The height for adjusting lever arm, adjusts the height of pendulum, is finally fixed lever arm with fixing piece.
Further: the fixing piece includes: that the shaft is arranged in extend external gear on described fixed arm one end；
Fixed block on the fixed arm is set；Slidingtype is assemblied in the sliding shoe on the fixed arm, the sliding shoe and described
Fixed block is located at the opposite two sides of the external gear, and offers cambered surface compatible with the external gear, the sliding
The cambered surface of block is provided with the sawtooth portion that can be meshed with the external gear；One end is arranged on the fixed arm, the other end and outer
The spring of gear fixing assembling, the spring are tension spring；After the sliding shoe is meshed with the external gear, simultaneously wear
Cross the bolt of the sliding shoe Yu the fixed block；And the nut being screwed with the bolt.
By using above-mentioned technical proposal, after sliding shoe is meshed with external gear, with bolt also cross fixed block and
Sliding shoe, and be screwed with nut and bolt, to lock sliding shoe, the rotation of external gear is limited, so that shaft is fixed, it is interior
Gear and rack gear are fixed with the fixation of shaft, so that lever arm be fixed.
Further: the inner sidewall of the cavity offers sliding slot, the extending direction of the sliding slot and the lever arm
Glide direction is consistent；Sliding block compatible with the sliding slot is provided on the lever arm.
By using above-mentioned technical proposal, it can prevent lever arm from shifting during sliding, to make activity
The sliding of arm is more convenient.
Further: being provided with ball on the sliding block.
By using above-mentioned technical proposal, sliding of the sliding block in sliding slot can be convenient for, reduce sliding block and cavity interior walls
Frictional force, to keep the sliding of lever arm more laborsaving.
Further: limited block is provided in the pocket base wall, the limited block is for preventing the lever arm from declining
Amplitude is excessive and the pendulum is caused to be in contact with the testing stand.
By using above-mentioned technical proposal, the amplitude that can prevent lever arm from declining is excessive and leads to pendulum and testing stand phase
Contact, to prevent pendulum from mutually injuring with testing stand.
Further: elastic component is provided on the limited block, the elastic component is for lever arm described in support to weaken
The load-bearing of the internal gear and the rack gear.
By using above-mentioned technical proposal, elastic component can support lever arm, to weaken the load-bearing of internal gear and rack gear,
Reduce the probability that internal gear and rack gear are damaged by load-bearing.
Further: one end that the shaft is located at outside the fixed arm is provided with handle.
By using above-mentioned technical proposal, rotating shaft can be convenient for, consequently facilitating adjusting the height of lever arm, improve and rise
The efficiency of lever arm drops.
In conclusion the utility model has the following beneficial effects:
1, it by setting testing stand, fixed arm, lever arm, pendulum and lifting assembly, is able to use lifting assembly and adjusts work
The height of swing arm adjusts the height of pendulum according to the different sample of specification, to enable pendulum to adjust the height of pendulum
It is collided with the center of sample, to reduce the error of test result；
2, sliding slot and is opened up at sliding block by setting, can prevents lever arm from shifting during sliding, from
And keep the sliding of lever arm more convenient；
3, by the way that ball is arranged on sliding block, sliding of the sliding block in sliding slot can be convenient for, reduced in sliding block and cavity
The frictional force of wall, to keep the sliding of lever arm more laborsaving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment Charpy impact machine tester；
Fig. 2 is the portion the A enlarged drawing in Fig. 1；
Fig. 3 is in Fig. 1 along the cross-sectional view in the direction A-A；
Fig. 4 is another structural schematic diagram of the utility model embodiment Charpy impact machine tester.
Appended drawing reference: 1, testing stand；2, fixed arm；3, lever arm；4, pendulum；21, cavity；22, shaft；23, internal gear；
31, rack gear；221, external gear；24, fixed block；25, sliding shoe；26, spring；251, bolt；252, nut；211, sliding slot；
212, limited block；213, elastic component；222, handle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
The present embodiment: a kind of Charpy impact machine tester, as shown in Figure 1, testing stand 1, fixed arm 2, lever arm 3, pendulum 4
And lifting assembly；Testing stand 1 is for carrying and fixing test specimen；Fixed arm 2 is arranged on testing stand 1, and far from testing stand 1
Side offers cavity 21；The side of lever arm 3 is placed in cavity 21, and can slide further into or skid off cavity 21, thus
Adjust the height of lever arm 3；Pendulum 4 is assemblied on lever arm 3, and the height of pendulum 4 becomes with the variation of 3 height of lever arm
Change；Lifting assembly is arranged on fixed arm 2 and lever arm 3, for driving lever arm 3 to go up and down.
As shown in Figure 1, Figure 2 and Figure 3, lifting assembly includes: shaft 22, internal gear 23, rack gear 31 and fixing piece；Shaft 22
Rotary type is assemblied on fixed arm 2, and one end is located in cavity 21, the other end extends fixed arm 2；The setting of internal gear 23 is turning
Axis 22 is located at the side in cavity 21, and rotates with the rotation of shaft 22；Rack gear 31 is arranged on lever arm 3, and extends
Direction is consistent with the glide direction of lever arm 3, and is meshed with internal gear 23, and the rotation band carry-over bar 31 of internal gear 23 slides,
To drive lever arm 3 to slide in cavity 21, lever arm 3 is made to extend further out cavity 21 or be placed in cavity 21, from
And adjust the height of lever arm 3；Fixing piece be arranged on fixed arm 2 and shaft 22, for adjust lever arm 3 height after,
Lever arm 3 is fixed.
As shown in Figures 1 and 2, fixing piece includes: external gear 221, fixed block 24, sliding shoe 25, spring 26, bolt 251
And nut 252；The side that shaft 22 extends fixed arm 2 is arranged in external gear 221, and rotates with the rotation of shaft 22；Gu
Determine block 24 to be arranged on fixed arm 2,25 slidingtype of sliding shoe is assemblied on fixed arm 2, and sliding shoe 25 and fixed block 24 divide
Not Wei Yu the opposite two sides of external gear 221, sliding shoe 25 and fixed block 24 offer cambered surface compatible with external gear 221,
And the sawtooth portion that can be meshed with external gear 221 is provided on sliding shoe 25, and sliding shoe 25 is meshed with external gear 221
Afterwards, the rotation of external gear 221 is limited, so that external gear 221 is fixed, shaft 22 is fixed with the fixation of external gear 221, thus
Keep internal gear 23 and rack gear 31 fixed, and then lever arm 3 is fixed；Spring 26 is arranged on fixed arm 2, and one end and sliding
25 fixing assembling of block, in the present embodiment, spring 26 are tension spring 26, for driving sliding shoe 25 far from external gear 221, from
And prevent sliding shoe 25 from causing to interfere to rotating shaft 22；After sliding shoe 25 is meshed with external gear 221, bolt 251 is used for
Also cross fixed block 24 and sliding shoe 25, so that sliding shoe 25 is fixed, nut 252 is screwed with bolt 251, to lock cunning
Motion block 25, thus prevent sliding shoe 25 by external gear 221 it is fixed after, spring 26 drive the sliding of sliding shoe 25 and external gear wheel 221
Solution is fixed, and after needing to solve fixed to sliding shoe 25, screws togather bolt 251 and 252 solution of nut and from fixed block 24 or sliding shoe
Bolt 251 is taken out in 25.
As shown in figure 4, sliding slot 211 is offered on the inner sidewall of cavity 21, the extending direction and lever arm 3 of sliding slot 211
Glide direction it is consistent, sliding block compatible with sliding slot 211 is provided on lever arm 3, in this way, lever arm can be prevented
3 shift during sliding, to keep the sliding of lever arm 3 more convenient.
Ball is provided on sliding block, the setting of ball can be convenient for sliding of the sliding block in sliding slot 211, reduce cunning
The frictional force of block and 21 inner wall of cavity, to keep the sliding of lever arm 3 more laborsaving.
As shown in Figures 1 and 3, the bottom wall of cavity 21 is provided with limited block 212, the setting of limited block 212 can prevent
The amplitude that lever arm 3 declines is excessive and pendulum 4 is caused to be in contact with testing stand 1, so that pendulum 4 and testing stand 1 be prevented mutually to hurt
Evil.
Elastic component 213 is provided on limited block 212, elastic component 213 is used for support lever arm 3, to weaken internal gear
23 and rack gear 31 load-bearing, reduce the probability that internal gear 23 and rack gear 31 are damaged by load-bearing, in the present embodiment, elastic component
213 be spring 26.
As shown in Figure 1, being located at one end outside fixed arm 2 in shaft 22 is provided with handle 222, the setting of handle 222 can
Convenient for rotating shaft 22, consequently facilitating adjusting the height of lever arm 3, the efficiency of lifting lever arm 3 is improved.
A kind of Charpy impact machine tester provided in this embodiment, working principle or process are as follows: using lifting assembly
The height of lever arm 3 can be adjusted, to adjust the height of pendulum 4, the height of pendulum 4 is adjusted according to the sample of different size,
To enable pendulum 4 and the center of sample to be collided, to reduce the error of test result.
Claims (8)
1. a kind of Charpy impact machine tester characterized by comprising
Testing stand (1)；The fixed arm (2) being arranged on the testing stand (1)；Lift is assemblied on the fixed arm (2)
Lever arm (3) is equipped with pendulum (4) on the lever arm (3)；And it is arranged in the fixed arm (2) and the lever arm
(3) lifting assembly on for driving the lever arm (3) to go up and down.
2. a kind of Charpy impact machine tester according to claim 1, which is characterized in that
The fixed arm (2) offers cavity (21), and the side of the lever arm (3) is placed in the cavity (21)；
The lifting assembly includes: the shaft (22) that rotary type is assemblied on the fixed arm (2), shaft (22) one end position
In the cavity (21), the interior, other end extends the fixed arm (2)；
It is arranged and is located at the internal gear (23) on the cavity (21) interior one end in the shaft (22)；
The rack gear (31) being arranged on the lever arm (3), the rack gear (31) are meshed with the internal gear (23)；And
What is be arranged on the fixed arm (2) and shaft (22) is used to the lever arm (3) are fixed or be solved fixed fixing piece.
3. a kind of Charpy impact machine tester according to claim 2, which is characterized in that
The fixing piece includes:
It is arranged and extends the external gear (221) on the fixed arm (2) one end in the shaft (22)；
The fixed block (24) being arranged on the fixed arm (2)；Slidingtype is assemblied in the sliding shoe on the fixed arm (2)
(25), the sliding shoe (25) and the fixed block (24) are located at the opposite two sides of the external gear (221), and offer
The compatible cambered surface with the external gear (221), the cambered surface of the sliding shoe (25) is provided with can be with the external gear (221) phase
The sawtooth portion of engagement；
The spring on the fixed arm (2), the spring (26) of the other end and external gear (221) fixing assembling is arranged in one end
(26) it is tension spring (26)；
After the sliding shoe (25) is meshed with the external gear (221), also cross the sliding shoe (25) with it is described solid
Determine the bolt (251) of block (24)；And the nut (252) being screwed with the bolt (251).
4. a kind of Charpy impact machine tester according to claim 3, which is characterized in that
The inner sidewall of the cavity (21) offers sliding slot (211), the extending direction and the lever arm of the sliding slot (211)
(3) glide direction is consistent；Compatible sliding block is provided with the sliding slot (211) on the lever arm (3).
5. a kind of Charpy impact machine tester according to claim 4, which is characterized in that
Ball is provided on the sliding block.
6. a kind of Charpy impact machine tester according to claim 5, which is characterized in that
It is provided with limited block (212) on cavity (21) bottom wall, the limited block (212) is for preventing the lever arm (3)
Fall is excessive and the pendulum (4) is caused to be in contact with the testing stand (1).
7. a kind of Charpy impact machine tester according to claim 6, which is characterized in that
Be provided with elastic component (213) on the limited block (212), the elastic component (213) for lever arm (3) described in support with
Weaken the load-bearing of the internal gear (23) and the rack gear (31).
8. a kind of Charpy impact machine tester according to claim 7, which is characterized in that
The shaft (22) is located at the one end of the fixed arm (2) outside and is provided with handle (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606057.XU CN208270347U (en) | 2018-04-26 | 2018-04-26 | A kind of Charpy impact machine tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606057.XU CN208270347U (en) | 2018-04-26 | 2018-04-26 | A kind of Charpy impact machine tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270347U true CN208270347U (en) | 2018-12-21 |
Family
ID=64680651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606057.XU Expired - Fee Related CN208270347U (en) | 2018-04-26 | 2018-04-26 | A kind of Charpy impact machine tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270347U (en) |
-
2018
- 2018-04-26 CN CN201820606057.XU patent/CN208270347U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200426 |