CN208000248U - A kind of constant stress strength of cement forcing press - Google Patents
A kind of constant stress strength of cement forcing press Download PDFInfo
- Publication number
- CN208000248U CN208000248U CN201820444060.6U CN201820444060U CN208000248U CN 208000248 U CN208000248 U CN 208000248U CN 201820444060 U CN201820444060 U CN 201820444060U CN 208000248 U CN208000248 U CN 208000248U
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- China
- Prior art keywords
- chassis
- hydraulic cylinder
- top plate
- forcing press
- column
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Abstract
The utility model discloses a kind of constant stress strength of cement forcing presses, belong to concrete NDT apparatus field, its technical solution is as follows, including platen, column, hydraulic cylinder, chassis, described column one end is connected in platen upper surface and column axis is vertical, the column other end is fixed with top plate and top plate end face is horizontal, the hydraulic cylinder is connected in platen lower face, the chassis is arranged at the top of hydraulic cylinder external part, the hydraulic cylinder stretching makes chassis be abutted with top plate, the chassis lower end is fixed with spherical surface convex block, it is provided with rounded channels at the top of the hydraulic cylinder external part, the spherical surface convex block is slidably connected with rounded channels, it is socketed with seal closure outside the chassis and hydraulic cylinder external part, the chassis side is provided with oil fuel tube, the oil fuel tube connection external world and rounded channels, with high certainty of measurement, and the advantage that chassis is wear-resisting.
Description
Technical field
The utility model is related to concrete NDT apparatus field, more particularly to a kind of constant stress strength of cement forcing press.
Background technology
Concrete is that purposes is most wide in engineering construction, the maximum construction material of dosage need to be adopted during engineering construction
The performances such as the resistance to compressions such as concrete test block, component, bending resistance and anti-folding are tested with pressure testing machine, to judge that concrete tries
The performance of block, component etc..
Authorization Notice No. is that the Chinese patent of CN205958345U discloses pressure testing machine, it below chassis by setting
It sets collection box the broken test block that sample generates is swept into collection box, is convenient to clean broken test block, although this mode facilitates experiment
Personnel clear up broken test block, but sample upper and lower end face be not necessarily mutually it is parallel, fixed chassis and top plate with credit union make sample by
Power is uneven, can largely make sample do not reach capacity stress value when occur as soon as Fragmentation Phenomena, tested obtained from
Data precision is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of constant stress strength of cement forcing press, with high certainty of measurement, and bottom
The wear-resisting advantage of disk.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of constant stress cement is strong
Forcing press, including platen, column, hydraulic cylinder, chassis are spent, described column one end is connected in platen upper surface and column axis hangs down
Directly, the column other end is fixed with top plate and top plate end face is horizontal, and the hydraulic cylinder is connected in platen lower face, the chassis
It is arranged at the top of hydraulic cylinder external part, the hydraulic cylinder stretching makes chassis be abutted with top plate, and the chassis lower end is fixed with spherical surface
Convex block, the hydraulic cylinder external part top are provided with rounded channels, and the spherical surface convex block is slidably connected with rounded channels, the chassis and liquid
Seal closure is socketed with outside cylinder pressure external part, the chassis side is provided with oil fuel tube, the oil fuel tube connection external world and rounded channels.
By using above-mentioned technical proposal, being slidably matched with rounded channels by spherical surface convex block, it is polygonal to make chassis end face that can carry out
Degree variation ensures that chassis is adjusted according to the angle that sample deviates when sample upper and lower end face is not parallel, and then in experimentation
The middle axial force for ensureing that sample is subject to is evenly distributed on sample everywhere, and experimental data is more accurate, while seal closure is arranged and avoids
The crumble clast of generation of sample enters and wears spherical surface convex block and rounded channels between chassis and hydraulic cylinder, improves spherical surface convex block and spherical surface
The service life of slot, and on chassis open up oil fuel tube and facilitate and inject lubricating oil between hydraulic cylinder and spherical surface convex block, into one
Step reduces abrasion, improves the service life on chassis.
Further, the oil fuel tube is connected with sealing-plug far from rounded channels threaded one end.
By using above-mentioned technical proposal, setting sealing-plug seals oil fuel tube, not only prevents outflow of lubrication oil, can also prevent
It collapses broken concrete disintegrating slag to enter between spherical surface convex block and rounded channels, further decreases abrasion.
Further, the sealing-plug is fixed with block far from oil fuel tube one end, and the block outer diameter is more than outside oil fuel tube
Diameter and in be prism-shaped.
By using above-mentioned technical proposal, setting block, which can facilitate, to be screwed out sealing-plug and fixes, and then is convenient for oiling
Lubricating oil is passed through in pipe.
Further, restraining position ring block is respectively fixedly connected outside the hydraulic cylinder and chassis, the seal closure is close to hydraulic cylinder and bottom
Positive stop strip has been respectively fixedly connected in disk both ends, and the positive stop strip is plugged into spacing ring.
By using above-mentioned technical proposal, spacing ring and positive stop strip, which is arranged, keeps seal closure detachable, and then convenient for spherical surface
Convex block and rounded channels are cleaned, and spherical surface convex block and rounded channels is made to remain cleaning, further increase the service life on chassis.
Further, outer shield is socketed on the platen, the outer shield is polyhedron shell-like structure, the outer shield
Bottom surface opened and outer shield covering top plate and chassis.
By using above-mentioned technical proposal, setting outer shield prevents from collapsing broken concrete disintegrating slag being bound on human body and causes to hinder
Evil, improves the degree of safety of pressure testing machine.
Further, the outer shield side is provided with observation panel, and tempered glass is fixed at the observation panel.
By using above-mentioned technical proposal, setting observation panel facilitates experimenter to observe the variation of sample in real time, ensures real
Precision is tested, while tempered glass prevents clast from dropping out, ensures degree of safety.
Further, it is fixed with crossbeam between the column, threaded rod, the threaded rod are threaded on the crossbeam
Axis direction is vertical direction, and the threaded rod bottom end is connected with top plate.
By using above-mentioned technical proposal, bar is threaded on top plate keeps the spacing between top plate and crossbeam adjustable,
So that chassis need to only move relatively short distance and can be abutted with top plate, so can the sample smaller to some specifications test, carry
The universality of high pressure force tester.
Further, the threaded rod other end is fixed with handle, and the handle is that circular and diameter is straight more than top plate
Diameter.
By using above-mentioned technical proposal, setting handle facilitates turn threaded rod, Labor-saving high-efficiency.
In conclusion the utility model has the advantages that:
1, by the way that spherical surface convex block and rounded channels are arranged on chassis and hydraulic cylinder external part, make chassis that can carry out multi-angle inclined
It moves, ensures the uniform force of sample, improve experimental precision;
2, it avoids introduced contaminants from wearing spherical surface convex block and rounded channels by the way that seal closure is arranged, while oil fuel tube is set and is conveniently added
Lubricating oil is noted, chassis service life is improved;
3, it avoids clast from collapsing on human body by setting outer shield to damage the person, improve equipment safety degree;
4, keep ceiling location adjustable by being threaded bar on top plate, and then make pressure testing machine can be to plurality of specifications
Sample tested, improve the universality of equipment.
Description of the drawings
Fig. 1 is the general assembly design sketch of the present embodiment;
Fig. 2 is the rack construction figure of the present embodiment;
Fig. 3 is the sectional view of the present embodiment;
Fig. 4 is the enlarged drawing of A in Fig. 3.
In figure, 1, rack;11, platen;12, column;13, crossbeam;14, threaded rod;15, handle;16, top plate;2, pressure supply
Mechanism;21, hydraulic pump;22, hydraulic cylinder;221, rounded channels;23, chassis;231, spherical surface convex block;3, seal closure;31, positive stop strip;
4, oil fuel tube;5, outer shield;51, observation panel;52, tempered glass;6, console;7, sealing-plug;71, block;8, spacing ring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:A kind of constant stress strength of cement forcing press, in conjunction with Fig. 1, Fig. 2, rack 1, for press mechanism 2, for press mechanism 2
In 1 bottom end of rack, rack 1 includes platen 11, column 12, crossbeam 13, top plate 16 for setting, and platen 11 is regular oblong plate,
Two 12 one end of columned column are connected in 11 side of platen, and 12 axis of column is vertical with 11 upper surface of platen, and crossbeam 13 is solid
It is connected in 12 other end of column, and crossbeam 13 connects two root posts 12,13 middle part of crossbeam is threaded with threaded rod 14, threaded rod 14
Axis direction be vertical direction, 14 bottom end of threaded rod and top plate 16 are connected, and 14 upper end of threaded rod is fixed with handle 15, handle 15
It is more than 16 diameter of top plate for circular and diameter, bar 14 is threaded on crossbeam 13 keeps top plate 16 vertical using the effect of screw thread
The position in direction changes, and realizes top plate 16 and is adjusted for the spacing between press mechanism 2, makes pressure testing machine can be to a variety of
The sample of specification is measured, and improves the universality of pressure testing machine;Handle 15, which is arranged, facilitates turn threaded rod 14 simultaneously, laborsaving
Efficiently.
In conjunction with Fig. 1, Fig. 2, outer shield 5 is cased in rack 1, outer shield 5 is rectangular-shape shell, and 5 bottom end of outer shield opens,
Outer shield 5 is sleeved on outside column 12 and upper end covering handle 15, and bottom end is connected to 11 upper surface of platen, the 5 side side of being provided with of outer shield
The observation panel 51 of shape, observation panel 51 run through 5 side end face of outer shield, transparent tempered glass 52 are fixed on observation panel 51, in machine
It is socketed outer shield 5 outside frame 1, avoids damaging with the clast avalanche to experimenter generated when sample crumbles, improves pressure
The degree of safety of force tester;The variation that observation panel 51 facilitates experimenter to observe sample in real time is set simultaneously, ensures experimental precision,
Tempered glass 52 prevents clast from dropping out outside outer shield 5 simultaneously, ensures the degree of safety of pressure testing machine.
In conjunction with Fig. 2, Fig. 3, platen 11 is equipped with console 6 far from 12 side of column, and console 6 controls the fortune for press mechanism 2
It is dynamic, include hydraulic pump 21, hydraulic cylinder 22, chassis 23 for press mechanism 2, hydraulic pump 21 is connected in 11 bottom end of platen, hydraulic cylinder 22
It is connected in 11 bottom end of platen and 22 axis of hydraulic cylinder is overlapped with 14 axis of threaded rod, in conjunction with Fig. 4, be provided on 22 external part of hydraulic cylinder
Rounded channels 221, chassis 23 is all flattened cylindrical plate with top plate 16 and end face is smooth;23 lower end of chassis is fixed with spherical surface convex block 231,
Spherical surface convex block 231 is slidably connected with rounded channels 221, and spherical surface convex block 231 is made of permanent magnet, is also coated with forever in rounded channels 221
Magnet, spherical surface convex block 231 attract each other with rounded channels 221, using 22 external part of magnetic connecting base plate 23 and hydraulic cylinder of magnet,
Ensure that chassis 23 can not only have been slided but also will not be detached from hydraulic cylinder 22;Top plate 16 is overlapped with 23 axis of chassis.
In conjunction with Fig. 3, Fig. 4 ball is opened up at 22 external part of hydraulic cylinder by the way that spherical surface convex block 231 is arranged in 23 lower end of chassis
Face slot 221, and spherical surface convex block 231 is slidably connected with rounded channels 221 so that and 23 end face of chassis can carry out multi-angle offset,
With top plate 16 cooperation can the sample not parallel to upper and lower end face be clamped, ensure top plate 16 be bonded sample completely with chassis 23
End face, top plate 16 and chassis 23 are uniform to the pressure of sample end face everywhere during the experiment, and then sample is made to reach capacity
It is crushed when stress value, keeps experimental data more accurate.
In conjunction with Fig. 3, Fig. 4, it is socketed with seal closure 3 outside chassis 23 and hydraulic cylinder 22, seal closure 3 covers chassis 23 and hydraulic pressure
22 junction of cylinder, seal closure 3 are made of rubber material, and setting seal closure 3 avoids the crumble clast of generation of sample from entering chassis
Spherical surface convex block 231 and rounded channels 221 are worn between 23 and hydraulic cylinder 22, are improved spherical surface convex block 231 and are used the longevity with rounded channels 221
Life;It is L-shaped spacing ring 8 that cyclic annular and section, which has been respectively fixedly connected, on hydraulic cylinder 22 and 23 circle end face of chassis, and two spacing rings 8 are opened
Mouth corresponds, and seal closure 3 is fixed with positive stop strip 31 close to hydraulic cylinder 22 and 23 both ends of chassis, and positive stop strip 31 protrudes seal closure 3
Outside and it is plugged into spacing ring 8;Setting spacing ring 8 and positive stop strip 31 keep seal closure 3 detachable, and then convenient for spherical surface convex block
231 and rounded channels 221 cleaned, so that spherical surface convex block 231 and rounded channels 221 is remained cleaning, further increase chassis 23
Service life.
In conjunction with Fig. 3, Fig. 4, the oil fuel tube 4 of inverted L-shaped is provided with inside chassis 23,4 one end of oil fuel tube is stretched out outside 23 side of chassis,
4 other end of oil fuel tube stretches out outside spherical surface convex block 231 to abut with rounded channels 221, and oil fuel tube 4 is connected to extraneous and rounded channels 221, setting
Oil fuel tube 4 facilitates injects lubricating oil between hydraulic cylinder 22 and spherical surface convex block 231, further decreases spherical surface convex block 231 and spherical surface
The abrasion of slot 221, and then improve the service life on chassis 23;Oil fuel tube 4 is connected with sealing-plug 7 close to extraneous threaded one end,
7 outer diameter of sealing-plug is identical as 4 internal diameter of oil fuel tube, and setting sealing-plug 7 seals oil fuel tube 4, not only prevents outflow of lubrication oil, can also prevent
It only collapses broken concrete disintegrating slag to enter between spherical surface convex block 231 and rounded channels 221, further decreases abrasion;Sealing-plug 7 is far from note
4 one end of oil pipe is fixed with block 71, and block 71 is hexa-prism, and 71 outer diameter of block is more than 4 outer diameter of oil fuel tube, and block 71 is arranged
It can facilitate and sealing-plug 7 is screwed out and fixed, and then convenient for being passed through lubricating oil, saving manpower easy to operate into oil fuel tube 4.
Specific implementation process:Top plate 16 is adjusted to suitable position by first turn handle 15 before experiment, later puts sample
It sets in 23 upper surface of chassis, then outer shield 5 is sleeved in rack 1, hydraulic pump 21 is controlled to hydraulic cylinder 22 by console 6 later
There is provided pressure makes hydraulic cylinder 22 stretch out, and until sample upper surface is abutted with top plate 16, hydraulic pump 21 continues to hydraulic cylinder 22 later
Fuel feeding, chassis 23 and the cooperation extruded sample of top plate 16, chassis 23 slide in rounded channels 221 under by force effect, ensure at this time
Chassis 23 is abutted with sample bottom face completely always, and top plate 16 is connected on sample upper surface completely always, until sample
It crumbles, obtains the parameters of sample by the data on logging console 6 later, complete the test to sample.
When needing to fill lubricating oil, sealing-plug 7 need to only be screwed out, utilizing syringe later, lubricating oil is injected into oil fuel tubes
In 4, sealing-plug 7 is finally screwed in into 4 mouthfuls of oil fuel tube again, it is easy to operate.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of constant stress strength of cement forcing press, including platen(11), column(12), hydraulic cylinder(22), chassis(23), described
Column(12)One end is connected in platen(11)Upper surface and column(12)Axis is vertical, the column(12)The other end is fixed with top
Plate(16)And top plate(16)End face is horizontal, the hydraulic cylinder(22)It is connected in platen(11)Lower face, the chassis(23)Setting
In hydraulic cylinder(22)At the top of external part, the hydraulic cylinder(22)Stretching makes chassis(23)With top plate(16)It abuts, it is characterized in that:Institute
State chassis(23)Lower end is fixed with spherical surface convex block(231), the hydraulic cylinder(22)It is provided with rounded channels at the top of external part(221), institute
State spherical surface convex block(231)With rounded channels(221)It is slidably connected, the chassis(23)With hydraulic cylinder(22)It is socketed with outside external part close
Sealing cover(3), the chassis(23)Side is provided with oil fuel tube(4), the oil fuel tube(4)The connection external world and rounded channels(221).
2. a kind of constant stress strength of cement forcing press according to claim 1, it is characterized in that:The oil fuel tube(4)It is separate
Rounded channels(221)Threaded one end is connected with sealing-plug(7).
3. a kind of constant stress strength of cement forcing press according to claim 2, it is characterized in that:The sealing-plug(7)It is separate
Oil fuel tube(4)One end is fixed with block(71), the block(71)Outer diameter is more than oil fuel tube(4)Outer diameter and in be prism-shaped.
4. a kind of constant stress strength of cement forcing press according to claim 3, it is characterized in that:The hydraulic cylinder(22)The bottom of with
Disk(23)Restraining position ring block is respectively fixedly connected outside(8), the seal closure(3)Close to hydraulic cylinder(22)With chassis(23)Both ends are respectively fixedly connected
There is positive stop strip(31), the positive stop strip(31)It is plugged into spacing ring(8)It is interior.
5. a kind of constant stress strength of cement forcing press according to claim 4, it is characterized in that:The platen(11)Upper socket
There is outer shield(5), the outer shield(5)For polyhedron shell-like structure, the outer shield(5)Bottom surface opened and outer shield(5)It covers
Lid top panel(16)The chassis and(23).
6. a kind of constant stress strength of cement forcing press according to claim 5, it is characterized in that:The outer shield(5)Side
It is provided with observation panel(51), the observation panel(51)Place is fixed with tempered glass(52).
7. a kind of constant stress strength of cement forcing press according to claim 6, it is characterized in that:The column(12)Between it is solid
It is connected with crossbeam(13), the crossbeam(13)On be threaded with threaded rod(14), the threaded rod(14)Axis direction is vertical
Direction, the threaded rod(14)Bottom end and top plate(16)It is connected.
8. a kind of constant stress strength of cement forcing press according to claim 7, it is characterized in that:The threaded rod(14)It is another
End is fixed with handle(15), the handle(15)It is more than top plate for circular and diameter(16)Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444060.6U CN208000248U (en) | 2018-03-29 | 2018-03-29 | A kind of constant stress strength of cement forcing press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444060.6U CN208000248U (en) | 2018-03-29 | 2018-03-29 | A kind of constant stress strength of cement forcing press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000248U true CN208000248U (en) | 2018-10-23 |
Family
ID=63839339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820444060.6U Expired - Fee Related CN208000248U (en) | 2018-03-29 | 2018-03-29 | A kind of constant stress strength of cement forcing press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
-
2018
- 2018-03-29 CN CN201820444060.6U patent/CN208000248U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
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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: 20181023 Termination date: 20210329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |