CN209182169U - A kind of pressure testing machine - Google Patents
A kind of pressure testing machine Download PDFInfo
- Publication number
- CN209182169U CN209182169U CN201821896826.0U CN201821896826U CN209182169U CN 209182169 U CN209182169 U CN 209182169U CN 201821896826 U CN201821896826 U CN 201821896826U CN 209182169 U CN209182169 U CN 209182169U
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- China
- Prior art keywords
- lower platen
- adapting table
- testing machine
- fixing bolt
- top board
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 7
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- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of pressure testing machines, including main body, main body includes upper beam and lower beam, rise and is provided with four feed rods between upper beam and lower beam, feed rod is set to four edges of lower beam, adjustment mechanism is provided on upper beam, it is provided on lower beam for providing the pressure mechanism of pressure to test block, pressure mechanism includes the oil hydraulic cylinder being fixedly installed on lower beam and the lower platen that is set on the piston rod of oil hydraulic cylinder, adapting table is connected with by fixed mechanism on lower platen, fixed mechanism includes the fixing groove being opened on lower platen, the fixation convex block being fixedly installed on adapting table and the fixing piece being set on lower platen, fixed convex block and fixing groove sliding cooperate.By being detachably equipped with adapting table on lower platen, when adapting table is worn by the clast of test specimen and residue, adapting table is removed from lower platen, then adapting table is cleared up or replaced, so that precision is guaranteed when subsequent measurement compression strength.
Description
Technical field
The utility model relates to the technical fields of experimental rig, more particularly, to a kind of pressure testing machine.
Background technique
Currently, pressure testing machine is mainly used for the compressive strength test of the construction materials such as brick, stone, cement concrete,
It can also be used for the mechanical property test of other materials.
Existing Authorization Notice No. is that the Chinese patent of CN201600305U discloses a kind of pressure testing machine machine, including host
Body and the display being located at beside main body and controller slave, host include the lower beam, oil cylinder, piston, pushing of mating assembly
Plate, left and right double feed rod, upper beam, lead screw, top boards, a hanging plate is added on lead screw lower part, is arranged between hanging plate and top board
Elastic adjusting pad, and hanging plate is bolted with top board.Lead screw handwheel is provided on lead screw.The quantity of feed rod is generally four
Root is located at four corners of lower beam, so as to support upper beam, so that shape between upper beam and lower beam
At operating space.When work, first passes through the driving lead screw rotation of lead screw handwheel and be placed into test specimen so that top board rises
On lower platen, then by lead screw drive top board decline, when top board bottom surface and test specimen top surface contact after, thus by test specimen
It is pushed against between top board and lower platen.Then start oil cylinder, oil cylinder drives piston, to push lower platen towards top board
Direction movement, until test specimen is crushed, oil cylinder is closed；The pressure born when being crushed finally by load cell detection test specimen
Power can then obtain the compression strength of the test specimen.
During practical operation, since the rear test specimen of last test compression strength is crushed, the fragment of test specimen and
Powder causes to wear or corrode to lower platen for a long time, so that influencing measurement accuracy in subsequent use.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is that being to provide a kind of pressure testing machine,
Adapting table is detachably installed on lower platen, when adapting table is worn by the clast of test specimen and residue, by adapting table under
It is removed on pressing plate, then adapting table is cleared up or replaced, so that precision is guaranteed when subsequent measurement compression strength.
The foregoing invention purpose of the utility model has the technical scheme that
A kind of pressure testing machine, including main body, main body include upper beam and lower beam, rise upper beam and lower beam
Between be provided with four feed rods, the feed rod is set to four edges of the lower beam, is provided with tune on the upper beam
Complete machine structure, the adjustment mechanism include the top board being arranged on the upper beam, are provided on the lower beam for examination
Block provides the pressure mechanism of pressure, and the pressure mechanism includes the oil hydraulic cylinder being fixedly installed on the lower beam and is set to
Lower platen on the piston rod of the oil hydraulic cylinder is connected with the undertaking for placing test specimen on the lower platen by fixed mechanism
Platform, the fixed mechanism include that the fixing groove being opened on the lower platen, the fixation being fixedly installed on the adapting table are convex
Block and be set on the lower platen and the fixing piece for the adapting table to be fixed on to lower platen, the fixed convex block with
The fixing groove sliding cooperation.
By using above-mentioned technical proposal, when work, first test specimen is placed on adapting table by staff, then pass through tune
Whole group part adjusts the position of top board, so that top board pushes against test specimen, then starts oil hydraulic cylinder, oil hydraulic cylinder drives piston rod
It is mobile towards the direction of top board, it drives lower platen mobile, drives adapting table mobile, finally crush test specimen.Make when for a long time
With so that opening fixing piece after adapting table is worn by the clast of test specimen and residue, drag adapting table so that fixed convex block from
It skids off in fixing groove, then removes adapting table from lower platen, then adapting table is cleared up or replaced, so that subsequent
Precision is guaranteed when measuring compression strength.
The utility model is further arranged to: the fixing groove is dovetail groove, and the fixed convex block and the fixing groove are sliding
Move cooperation.
By using above-mentioned technical proposal, dovetail groove is set by fixing groove, and fixed convex block is worked in coordination with fixing groove,
Prevent adapting table from disengaging in the vertical direction with lower platen.
The utility model is further arranged to: the fixing piece includes the fixation for being fixedly installed on the adapting table side
It piece, the fixing bolt being threadedly connected on the fixinig plate, the hook being rotatably dispose on the fixing bolt and is opened in
Fixation hole on the lower platen, the hook are plugged in the fixation hole.
By using above-mentioned technical proposal, after being replaced to adapting table, fixed convex block is injected in fixing groove, then
Fixing bolt is turned to fixinig plate, and hook is connected in fixation hole, then prevents the fixation convex block on adapting table
It is disengaged from fixing groove in the process of work.Need clear up or replace adapting table when, turn fixing bolt so that hook from
It is disengaged in fixation hole, so that adapting table be removed from lower platen.
The utility model is further arranged to: the fixing bolt offers annular slot close to one end of the hook；
The hook is sheathed on the fixing bolt close to the hollow setting in one end of the fixing bolt；The hook is close to described
One end of fixing bolt has been fixedly installed annular lug, and the annular lug is worked in coordination with the annular slot.
By using above-mentioned technical proposal, hook is stuck in fixation hole fixing bolt in the rotation, will not be with fixation
The rotation of bolt and rotate, and fixing bolt due to itself rotation and the displacement on along its length occurs so that hook
It can be moved with the movement of fixing bolt, structure is simple, positioning stablity.
The utility model is further arranged to: the fixing bolt is fixedly installed far from one end of the hook and shakes hands
Portion.
By using above-mentioned technical proposal, so that staff holds handshake part when operating fixing bolt, it is convenient
Staff's operation.
The utility model is further arranged to: the hook is provided with anti-skidding far from the side surface of described fixing bolt one end
Protrusion.
By using above-mentioned technical proposal, so that the inner wall frictional force of hook and fixation hole is bigger, so that hook energy
It is enough stronger to be connected in fixation hole.
The utility model is further arranged to: the adjustment mechanism further includes the silk being threadedly connected on the upper beam
Thick stick, the top board are set on the lead screw.
By using above-mentioned technical proposal, rotational lead screw when work then makes lead screw upper movement along its length, upper pressure
Plate moves, stable transmission with the movement of lead screw, and lead screw itself has self-locking function.
The utility model is further arranged to: being threadedly coupled on the side wall of the top board described there are four being used to limit
The caging bolt of press plate rotary.
By using above-mentioned technical proposal, caging bolt is twisted towards top board when needing to adjust top board position
It is dynamic, so that top board is rotated with the rotation of lead screw；After the adjustment of the position of top board, by caging bolt direction
Direction far from top board turns, so that in the process of work, preventing from generating top board slightly due to vibration
Rotation, then strengthen the precision of subsequent compression strength measurement.
In conclusion the advantageous effects of the utility model are as follows:
1, by being removably connected with adapting table on lower platen, adapting table is mounted on lower platen when work
On, when adapting table influences compression strength measurement, adapting table is removed, is cleared up and is replaced, so that subsequent measurement is anti-
Precision is guaranteed when Compressive Strength；
2, hook is stuck in fixation hole fixing bolt in the rotation, will not be rotated with the rotation of fixing bolt, and
And fixing bolt due to itself rotation and the displacement on along its length occurs, enable hook with the shifting of fixing bolt
It moves and moves, structure is simple, positioning stablity；
3, caging bolt is turned towards top board when needing to adjust top board position so that top board with
The rotation of lead screw and rotate；After the adjustment of the position of top board, the direction that Limit screw is directed away from top board is twisted
It is dynamic, so that in the process of work, preventing from making top board generate slight rotation due to vibration, after then strengthening
The precision of continuous compression strength measurement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pressure testing machine of the utility model；
Fig. 2 is the structural schematic diagram of top board, for indicating the distribution situation of caging bolt；
Fig. 3 is the partial enlargement diagram of part A in Fig. 1, for indicating the structure of fixed mechanism；
Fig. 4 is the part perspective view of the explosion of fixing piece, for indicating the structure of fixing piece；
Fig. 5 is the perspective view of the explosion of fixing bolt and hook, for indicating the structure of annular slot and annular lug.
Appended drawing reference: 1, main body；2, slave body；3, upper beam；4, lower beam；5, feed rod；6, pressure mechanism；61, oily
Cylinder pressure；62, lower platen；7, adjustment mechanism；71, lead screw；72, top board；8, fixed mechanism；81, fixing groove；82, fixed convex block；
9, fixing piece；91, fixinig plate；92, fixing bolt；93, hook；94, fixation hole；10, handwheel is rotated；11, caging bolt；12,
Adapting table；13, annular slot；14, annular lug；15, anti-skid bulge；16, handshake part.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, the utility model discloses a kind of pressure testing machines, including main body 1 and setting are by main body 1
Side slave body 2.Main body 1 includes upper beam 3, lower beam 4, feed rod 5, pressure mechanism 6 and adjustment mechanism 7.Lower beam 4 is placed
On bottom surface, one end of feed rod 5 is fixed at the edge of lower beam 4, and feed rod 5 has four, fixes in an identical manner
Four edges of lower beam 4 are set.Upper beam 3 is fixed at the one end of feed rod 5 far from lower beam 4, and four feed rods 5
It is disposed in parallel relation to one another.
Referring to Fig.1, pressure mechanism 6 includes oil hydraulic cylinder 61 and lower platen 62.Oil hydraulic cylinder 61 is fixed far from one end of piston rod
It is mounted on lower beam 4, lower platen 62 is fixedly mounted on the piston rod of oil hydraulic cylinder 61, and is located remotely from the end of lower beam 4.
Oil hydraulic cylinder 61 drives piston rod, and lower platen 62 is driven to move along the moving direction of piston rod.
Referring to Fig.1, adjustment mechanism 7 includes lead screw 71 and top board 72, and lead screw 71 is threaded on upper beam 3, and with
Feed rod 5 is parallel to each other；Lead screw 71 passes through upper beam 3.Top board 72 is fixedly mounted on lead screw 71 towards one end of lower beam 4；Silk
Thick stick 71 is fixedly installed rotation handwheel 10 far from one end of top board 72.Twisting rotation handwheel 10, drives lead screw 71 to rotate, drives
Lead screw 71 is gone up and down on upper beam 3, and top board 72 is driven to go up and down.
Referring to Figures 1 and 2, caging bolt there are two being threadedly coupled respectively on the opposite side wall of 72 two of them of top board
11, four caging bolts 11 are in same level.When the direction of four caging bolts 11 towards top boards 72 turns limit
When the head of bolt 11 is close to the side wall of top board 72, top board 72 can rotate, top board with the rotation of lead screw 71
After 72 height adjustment, the direction that four caging bolts 11 are directed away from top board 72 is turned, so that working as upper pressure
When plate 72 rotates, four caging bolts 11 and feed rod 5 are touched, to limit the rotation of top board 72.
Referring to Fig. 3 and Fig. 4, adapting table 12 is connected with by fixed mechanism 8 on lower platen 62, fixed mechanism 8 includes fixing
Slot 81, fixed convex block 82 and fixing piece 9, fixing piece 9 include fixinig plate 91, fixing bolt 92, hook 93 and fixation hole 94.
Fixing groove 81 is provided on lower platen 62, and is dovetail groove；Fixed convex block 82 is fixed on adapting table 12, and with it is solid
Determine the sliding cooperation of slot 81.
Referring to Fig. 4 and Fig. 5, fixinig plate 91 is fixed on the side wall of adapting table 12, and fixing bolt 92 is threaded in
On fixinig plate 91, and fixing bolt 92 passes through fixinig plate 91.One end of fixing bolt 92 offers annular slot 13；Hook 93
The hollow setting in one end, and be wholely set annular lug 14, the cooperation of annular lug 14 is connected in annular slot 13, thus
Hook 93 is rotated relative to fixing bolt 92.Fixation hole 94 is offered on the side wall of lower platen 62, hook 93 is separate
One end of annular lug 14 is plugged in fixation hole 94, and is provided on side surface of the hook 93 far from fixing bolt 92 anti-skidding
Protrusion 15.Fixing bolt 92 is fixedly installed with handshake part 16 far from one end of hook 93.
The implementation principle of the present embodiment are as follows:
When work, first the fixation convex block 82 on adapting table 12 is aligned with fixing groove 81, then slides fixed convex block 82
Cooperation is in fixing groove 81；Then it turns handshake part 16, fixing bolt 92 is driven to rotate, so that fixing bolt 92 is towards hook 93
Direction it is mobile.Then one end by hook 93 containing anti-skid bulge 15 is aligned with fixation hole 94, is then turned handshake part 16, is made
It obtains fixing bolt 92 to move towards back to one end of hook 93, with the movement of fixing bolt 92, so that 93 grafting of hook enters
In fixation hole 94, lasting turns handshake part 16, enters the complete grafting of hook 93 in fixation hole 94, at this time adapting table
12 are mounted on lower platen 62.
Then test specimen is placed on adapting table 12, next rotation rotation handwheel 10, drives lead screw 71 to rotate, and drives silk
Thick stick 71 is moved up and down relative to upper beam 3, and top board 72 is driven to move up and down relative to upper beam 3.Rotation rotation handwheel
10, so that top board 72 is contradicted in test specimen close to the surface of top board 72.
Finally, starting oil hydraulic cylinder 61, oil hydraulic cylinder 61 drives the piston rod top lower platen 62 of oil hydraulic cylinder 61, so that lower platen 62
Mobile towards the direction of top board 72, finally as pressure of the oil hydraulic cylinder 61 to test specimen persistently increases, test specimen is crushed.Work as undertaking
When 12 long-time of platform uses and is corroded or needs to clear up, adapting table 12 is removed, is convenient for changing or clears up.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of pressure testing machine, including main body (1), main body (1) include upper beam (3) and lower beam (4), cross is above gone up
Four feed rods (5) are provided between beam (3) and lower beam (4), the feed rod (5) is set to four sides of the lower beam (4)
It at angle, is provided with adjustment mechanism (7) on the upper beam (3), the adjustment mechanism (7) includes being arranged in the upper beam (3)
On top board (72), be provided on the lower beam (4) for providing the pressure mechanism (6) of pressure, the pressure to test block
Mechanism (6) includes the oil hydraulic cylinder (61) being fixedly installed on the lower beam (4) and the work for being set to the oil hydraulic cylinder (61)
Lower platen (62) on stopper rod, it is characterised in that: be connected with by fixed mechanism (8) for placing examination on the lower platen (62)
The adapting table (12) of part, the fixed mechanism (8) include the fixing groove (81) being opened on the lower platen (62), fixed setting
In the fixation convex block (82) on the adapting table (12) and it is set on the lower platen (62) and is used for the adapting table
(12) it is fixed on the fixing piece (9) of lower platen (62), the fixed convex block (82) and the fixing groove (81) sliding cooperate.
2. a kind of pressure testing machine according to claim 1, it is characterised in that: the fixing groove (81) is dovetail groove.
3. a kind of pressure testing machine according to claim 2, it is characterised in that: the fixing piece (9) includes fixed setting
In the adapting table (12) side fixinig plate (91), be threadedly connected on the fixinig plate (91) fixing bolt (92), turn
The dynamic hook (93) being set on the fixing bolt (92) and the fixation hole (94) being opened on the lower platen (62), institute
Hook (93) is stated to be plugged in the fixation hole (94).
4. a kind of pressure testing machine according to claim 3, it is characterised in that: the fixing bolt (92) is close to the card
The one end for hooking (93) offers annular slot (13)；One end of the hook (93) close the fixing bolt (92) is hollow to be set
It sets, and is sheathed on the fixing bolt (92)；The hook (93) is fixedly installed close to the one end of the fixing bolt (92)
Have annular lug (14), the annular lug (14) is worked in coordination with the annular slot (13).
5. a kind of pressure testing machine according to claim 3, it is characterised in that: the fixing bolt (92) is far from the card
The one end for hooking (93) is fixedly installed handshake part (16).
6. a kind of pressure testing machine according to claim 3, it is characterised in that: the hook (93) is far from the fixed spiral shell
The side surface of bolt (92) one end is provided with anti-skid bulge (15).
7. a kind of pressure testing machine according to claim 1, it is characterised in that: the adjustment mechanism (7) further includes screw thread
The lead screw (71) being connected on the upper beam (3), the top board (72) are set on the lead screw (71).
8. a kind of pressure testing machine according to claim 7, it is characterised in that: screw thread on the side wall of the top board (72)
There are four the caging bolts (11) for limiting the top board (72) rotation for connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896826.0U CN209182169U (en) | 2018-11-16 | 2018-11-16 | A kind of pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896826.0U CN209182169U (en) | 2018-11-16 | 2018-11-16 | A kind of pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182169U true CN209182169U (en) | 2019-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821896826.0U Expired - Fee Related CN209182169U (en) | 2018-11-16 | 2018-11-16 | A kind of pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579373A (en) * | 2020-05-29 | 2020-08-25 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
-
2018
- 2018-11-16 CN CN201821896826.0U patent/CN209182169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579373A (en) * | 2020-05-29 | 2020-08-25 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
| CN111579373B (en) * | 2020-05-29 | 2021-04-16 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 |