CN211292381U - Concrete compression testing machine - Google Patents
Concrete compression testing machine Download PDFInfo
- Publication number
- CN211292381U CN211292381U CN202020015957.4U CN202020015957U CN211292381U CN 211292381 U CN211292381 U CN 211292381U CN 202020015957 U CN202020015957 U CN 202020015957U CN 211292381 U CN211292381 U CN 211292381U
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- pressure plate
- concrete compression
- plate
- testing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 230000006835 compression Effects 0.000 title claims abstract description 28
- 238000007906 compression Methods 0.000 title claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000006378 damage Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a concrete compression testing machine, which comprises a fixed bracket, a pressure-bearing mechanism and a pressurizing mechanism which are arranged on the fixed bracket at intervals; the pressure-bearing mechanism comprises a threaded column connected with the fixed support and an upper pressure plate connected with the threaded column through a universal ball seat; the pressurizing mechanism comprises a power piece arranged on the fixed support and a lower pressing plate connected with the power piece; the upper pressing plate and the lower pressing plate are arranged in parallel at intervals and are respectively positioned on one side of the pressure-bearing mechanism, which is close to the pressurizing mechanism; the upper pressure plate is provided with a level gauge and a plurality of adjusting rods; the adjusting rod is movably connected with the fixed support so that the upper pressure plate is in a horizontal state. The utility model discloses a control of the regulation of universal ball seat and a plurality of regulation poles and spirit level makes the comparatively accurate level state that is in of top board, and when power drive holding down plate was close to the top board, the top board can laminate the test piece surface completely to make the loading of holding down plate also more even, the data of test gained compressive strength are also more accurate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a compression testing machine technical field especially relates to a concrete compression testing machine.
[ background of the invention ]
The concrete compressive strength (also called concrete compressive strength) is a parameter which needs to be detected before the concrete is used, and reflects the bearing strength of the concrete in unit area after the concrete is solidified. In the national standard, the concrete compression strength is tested by clamping a test block of 150 x 150mm manufactured by a standard method between an upper pressure bearing plate and a lower pressure bearing plate by a testing machine and continuously loading until the test piece is destroyed, and the compressive strength of the concrete cubic test piece can be reflected by the destruction limit load when the test piece is destroyed. Therefore, the upper and lower bearing plates must be completely attached to the surface of the cubic test piece to obtain a true failure limit load. However, the existing concrete compression testing machine cannot finely adjust the horizontal states of the upper and lower bearing plates, so that when the hydraulic press is continuously loaded in the vertical direction in a test piece test, the bearing plates cannot be completely attached to the surface of the test block to uniformly bear force, the contact area between the bearing plates and the surface of the test block is reduced, and the compression strength test data is not accurate enough.
In view of the above, it is desirable to provide a concrete compression testing machine to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims at providing a concrete compression testing machine aims at improving current compression testing machine and can not carry out the accurate regulation to the horizontality of bearing plate, leads to the not accurate enough problem of compressive strength test data, has promoted compressive strength's measuring accuracy.
In order to achieve the purpose, the utility model provides a concrete compression testing machine, which comprises a fixed bracket, a pressure-bearing mechanism and a pressurizing mechanism, wherein the pressure-bearing mechanism and the pressurizing mechanism are arranged on the fixed bracket at intervals; the pressure-bearing mechanism comprises a threaded column connected with the fixed support and an upper pressure plate connected with the threaded column through a universal ball seat; the pressurizing mechanism comprises a power piece and a lower pressing plate connected with the power piece; the upper pressing plate and the lower pressing plate are arranged in parallel at intervals and are respectively positioned on one side of the pressure-bearing mechanism, which is close to the pressurizing mechanism; the upper pressure plate is provided with a level gauge and a plurality of adjusting rods; the adjusting rod is movably connected with the fixed support so that the upper pressure plate is in a horizontal state.
In a preferred embodiment, the fixing bracket comprises a plurality of supporting columns, and an upper fixing piece and a lower fixing piece which are respectively arranged at two ends of each supporting column; the upper fixing piece is provided with a screw hole, and the threaded column is matched with the screw hole to control the upper pressure plate to be close to or far away from the lower pressure plate along the length direction of the threaded column.
In a preferred embodiment, the upper fixing piece is provided with a plurality of through holes corresponding to the adjusting rods one by one; one end of the adjusting rod is vertically fixed with one side of the upper pressure plate, which is far away from the lower pressure plate, and the other end of the adjusting rod penetrates through the corresponding through hole; the adjusting rod is provided with an adjusting piece, and the adjusting piece can adjust and fix the length of the adjusting rod extending out of the through hole.
In a preferred embodiment, the adjusting rod is a screw rod, and the adjusting piece is a hand-screwed nut matched with the screw rod; the hand-screwed nut is positioned between the upper fixing piece and the upper pressure plate and is abutted to the upper fixing piece.
In a preferred embodiment, a limiting member is further disposed at one end of the adjusting rod penetrating through the through hole; the limiting part is sleeved on the adjusting rod through threads and is abutted against one side, far away from the upper pressing plate, of the upper fixing part.
In a preferred embodiment, the adjusting rod is uniformly distributed around the threaded column and is arranged in parallel with the threaded column.
In a preferred embodiment, a protective net is arranged between adjacent support columns.
In a preferred embodiment, the power part comprises a hydraulic machine connected with one end of the lower pressing plate far away from the upper pressing plate and a control module electrically connected with the hydraulic machine; the hydraulic machine drives the lower pressing plate to move towards the upper pressing plate, and the direction of the lower pressing plate moving towards the upper pressing plate is consistent with the length direction of the threaded column.
In a preferred embodiment, a plurality of buffer blocks are arranged at one end of the lower pressure plate and/or one end of the upper pressure plate, which are close to each other.
In a preferred embodiment, one end of the lower pressure plate close to the upper pressure plate is also provided with a level gauge.
The utility model discloses a control of the regulation of universal ball seat and a plurality of regulation poles and spirit level makes the comparatively accurate level state that is in of top board, and when power drive holding down plate was close to the top board, the top board can laminate the test piece surface completely to make the loading of holding down plate also more even, the data of test gained compressive strength are also more accurate.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front perspective view of the concrete compression testing machine provided by the present invention;
fig. 2 is a front perspective view of another embodiment of the concrete compression tester shown in fig. 1.
In the figure: 100. a concrete compression testing machine; 10. fixing a bracket; 20. a pressure-bearing mechanism; 30. a pressurizing mechanism; 11. a support pillar; 12. an upper fixing member; 13. a lower fixing member; 14. a protective net; 15. a buffer block; 16. a level gauge; 21. a threaded post; 22. an upper pressure plate; 23. a universal ball seat; 24. adjusting a rod; 25. an adjustment member; 26. a limiting member; 31. a power member; 32. a lower pressing plate; 311. a hydraulic press; 312. and a control module.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
As shown in fig. 1 and 2, in an embodiment of the present invention, a concrete compression testing machine 100 is provided for continuously loading a standard rectangular parallelepiped concrete test block of 150 × 150mm or other standard size to test the ultimate breaking load of the concrete test block.
The concrete compression testing machine 100 includes a fixing bracket 10, and a pressure mechanism 20 and a pressurizing mechanism 30 which are disposed at intervals on the fixing bracket 10.
Specifically, the fixing bracket 10 includes a plurality of supporting pillars 11, and an upper fixing member 12 and a lower fixing member 13 respectively disposed at two ends of the supporting pillars 11. The supporting column 11 may be in a cube shape or a cylinder shape, and penetrates through the edges of the upper fixing member 12 and the lower fixing member 13 to fix the upper fixing member 12 and the lower fixing member 13, and of course, the supporting column 11 may penetrate through the lower fixing member 13 to form a pin of the concrete compression testing machine 100, so as to improve the stability of the device during placement and provide a buffer. Wherein, the upper fixing member 12 is provided with a cylindrical screw hole (not shown). Further, a protective net 14 is arranged between adjacent support columns and used for preventing fragments generated by damage from splashing everywhere to cause potential safety hazards when the test piece reaches the damage limit load.
The pressure-bearing mechanism 20 comprises a threaded column 21 connected with the fixed support 10 and an upper pressure plate 22 connected with the threaded column 21 through a universal ball seat 23; the pressing mechanism 30 includes a power member 31 provided on the lower fixing member 13 and a lower pressing plate 32 connected to the power member 31. Specifically, the threaded column 21 penetrates through a threaded hole to be connected with the universal ball seat 23, one end, far away from the threaded column 21, of the universal ball seat 23 is connected with the upper pressure plate 22, and the threaded column 21 is matched with the threaded hole to control the upper pressure plate 22 to be close to or far away from the lower pressure plate 32 along the length direction of the threaded column 21; the upper pressure plate 22 and the lower pressure plate 32 are both rectangular or circular rigid plates with the same shape, and the central point and the geometric center of the universal ball seat 23 are both located on a straight line where the central axis of the threaded column 21 is located; the upper pressure plate 22 and the lower pressure plate 32 are arranged in parallel at an interval and are respectively located at one side where the pressure-bearing mechanism 20 and the pressurizing mechanism 30 are close to each other, so as to be attached to the surfaces of two opposite sides of the test piece for loading, and it should be noted that, during testing, the centers of the surfaces of two opposite sides of the test piece are respectively overlapped with the centers of the upper pressure plate 22 and the lower pressure plate 32. In summary, the upper platen 22 is adjustable by the universal ball seat 23 to assume a generally horizontal position.
Furthermore, a plurality of buffer blocks 15 are arranged at the end, close to each other, of the lower pressure plate 32 and/or the upper pressure plate 22, and the height of each buffer block 15 is smaller than that of the test block, so that the test of the test block is prevented from being hindered; when the test block is damaged, the loading of the power member 31 is not soon enough to be removed, so that the upper press plate 22 and the lower press plate 32 may collide or have a strong approaching tendency, thereby causing damage and safety hazard, and therefore, the buffer block 15 can provide buffer to the collision or the tendency.
In the present embodiment, the level gauge 16 is disposed on both the upper platen 22 and the lower platen 32, and the level gauge 16 can monitor whether the upper platen 22 and the lower platen 32 are in a horizontal state. The upper press plate 22 is provided with a plurality of adjusting rods 24, and the upper fixing member 12 is provided with a plurality of through holes (not shown in the figure) corresponding to the adjusting rods 24 one by one; one end of the adjusting rod 24 is vertically fixed with one side of the upper pressure plate 22 far away from the lower pressure plate 32, and the other end passes through the corresponding through hole; adjust pole 24 and be equipped with regulating part 25, regulating part 25 is adjustable and the length that the through-hole was stretched out to fixed regulation pole 24, namely, thereby the relative position relation of regulation pole 24 that every regulating part 25 control corresponds and last mounting 12 drives the top board 22 and the part of adjusting the pole 24 and being connected is close to or keeps away from last mounting 12, through the common regulating action of a plurality of regulation poles 24 to top board 22, make the comparatively accurate level state that is in of top board 22, thereby promote test accuracy, adjust pole 24 simultaneously and still can provide certain supporting role when testing between top board 22 and last mounting 12.
Specifically, the adjusting rod 24 is a screw rod, the adjusting member 25 is a hand-screwed nut matched with the screw rod, and the hand-screwed nut is positioned between the upper fixing member 12 and the upper pressing plate 22 and is abutted against the upper fixing member 12, that is, the rotation of the hand-screwed nut drives the upper pressing plate 22 to move towards or away from the upper fixing member 12, so as to adjust the upper pressing plate 22; when the test block presses the upper pressing plate 22 to apply pressure to the upper fixing member 12, the hand-screwed nut and screw act to provide a force opposite to the pressure direction, i.e. a supporting force, to the upper fixing member 12, so as to provide corresponding support to the upper pressing plate 22.
Furthermore, a limiting member 26 is further disposed at one end of the adjusting rod 24 penetrating through the through hole, the limiting member 26 is sleeved on the screw rod through a thread and abuts against one side of the upper fixing member 12 away from the upper press plate 22, wherein the limiting member 26 may also be a structure similar to a hand nut, and is respectively located at two ends of the adjusting rod 24 corresponding to the through hole, that is, at two ends of the upper fixing member 12, together with the adjusting member 25; the limiting member 26 and the adjusting member 25 together act on the adjusting lever 24 to firmly fix the adjusting lever 24 to the upper fixing member 12.
Furthermore, the adjusting rods 24 are uniformly distributed around the threaded column 21 and are arranged parallel to the threaded column 21, for example, the adjusting rods 24 are respectively located at positions near four vertices of the edge of the square upper pressing plate 22, or are equally angularly and equidistantly located on the circular upper pressing plate 22, so that the horizontal state of the upper pressing plate 22 can be adjusted more precisely.
Further, the power member 31 includes a hydraulic machine 311 connected to one end of the lower pressing plate 32 far from the upper pressing plate 22 and a control module 312 electrically connected to the hydraulic machine, the direction in which the hydraulic machine 311 drives the lower pressing plate 32 to move towards the upper pressing plate 22 is consistent with the length direction of the threaded column 21, therefore, the direction in which the threaded column 21 applies force and the direction in which the hydraulic machine 311 applies force are located on the same straight line, during testing, the threaded column 21 fixes the upper pressing plate 22 to move towards the lower pressing plate 32, the upper pressing plate 22 is fixed at a position 5mm away from the test block, and the hydraulic machine 311 drives the lower pressing plate 32 and the test block placed on the lower pressing plate 32 to move towards the upper pressing plate 22. The hydraulic machine 311 is arranged at one end of the lower fixing piece 13 close to the upper fixing piece 12, so that the position and the force application direction of the hydraulic machine 311 can be conveniently controlled; the control module 312 includes a numerical control system (not shown) for intelligently controlling the hydraulic machine to continuously load and a processing module (not shown) for processing load data.
To sum up, the utility model discloses a universal ball seat 23 and a plurality of regulation pole 24 the regulation and the control of spirit level 16 make the top board 22 comparatively accurate be in the horizontality, when power 31 drive holding down plate 32 is close to top board 22, top board 22 can laminate the test piece surface completely to make the loading of holding down plate 32 also more even, the data of test gained compressive strength are also more accurate.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. A concrete compression testing machine is characterized by comprising a fixed support, and a pressure bearing mechanism and a pressurizing mechanism which are arranged on the fixed support at intervals; the pressure-bearing mechanism comprises a threaded column connected with the fixed support and an upper pressure plate connected with the threaded column through a universal ball seat; the pressurizing mechanism comprises a power piece arranged on the fixed support and a lower pressing plate connected with the power piece; the upper pressing plate and the lower pressing plate are arranged in parallel at intervals and are respectively positioned on one side of the pressure-bearing mechanism, which is close to the pressurizing mechanism; the upper pressure plate is provided with a level gauge and a plurality of adjusting rods; the adjusting rod is movably connected with the fixed support so that the upper pressure plate is in a horizontal state.
2. The concrete compression testing machine of claim 1, wherein the fixing bracket comprises a plurality of supporting columns, and an upper fixing member and a lower fixing member respectively arranged at two ends of the supporting columns; the upper fixing piece is provided with a screw hole, and the threaded column is matched with the screw hole to control the upper pressure plate to be close to or far away from the lower pressure plate along the length direction of the threaded column.
3. The concrete compression testing machine of claim 2, wherein the upper fixing member is provided with a plurality of through holes corresponding to the adjusting rods one to one; one end of the adjusting rod is vertically fixed with one side of the upper pressure plate, which is far away from the lower pressure plate, and the other end of the adjusting rod penetrates through the corresponding through hole; the adjusting rod is provided with an adjusting piece, and the adjusting piece can adjust and fix the length of the adjusting rod extending out of the through hole.
4. The concrete compression testing machine of claim 3, wherein the adjusting rod is a screw rod, and the adjusting member is a hand-screwed nut matched with the screw rod; the hand-screwed nut is positioned between the upper fixing piece and the upper pressure plate and is abutted to the upper fixing piece.
5. The concrete compression testing machine of claim 4, wherein a limiting member is further provided at one end of the screw rod passing through the through hole; the limiting part is sleeved on the screw rod through threads and is abutted against one side, far away from the upper pressing plate, of the upper fixing part.
6. The concrete compression tester of claim 3, wherein the adjustment rod is evenly distributed around and parallel to the threaded column.
7. The concrete compression tester according to claim 2, wherein a protective net is provided between adjacent support columns.
8. The concrete compression testing machine of claim 2, wherein the power part comprises a hydraulic machine connected with one end of the lower pressing plate far away from the upper pressing plate and a control module electrically connected with the hydraulic machine; the hydraulic machine drives the lower pressing plate to move towards the upper pressing plate, and the direction of the lower pressing plate moving towards the upper pressing plate is consistent with the length direction of the threaded column.
9. The concrete compression testing machine of claim 1, wherein the end of the lower pressure plate and/or the upper pressure plate adjacent to each other is provided with a plurality of buffer blocks.
10. The concrete compression tester as claimed in claim 1, wherein a level is also provided at an end of the lower platen adjacent to the upper platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020015957.4U CN211292381U (en) | 2020-01-05 | 2020-01-05 | Concrete compression testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020015957.4U CN211292381U (en) | 2020-01-05 | 2020-01-05 | Concrete compression testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292381U true CN211292381U (en) | 2020-08-18 |
Family
ID=72036712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020015957.4U Expired - Fee Related CN211292381U (en) | 2020-01-05 | 2020-01-05 | Concrete compression testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211292381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413133A (en) * | 2023-06-06 | 2023-07-11 | 张家港广大特材股份有限公司 | Compressive strength monitoring method and system for special steel |
-
2020
- 2020-01-05 CN CN202020015957.4U patent/CN211292381U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413133A (en) * | 2023-06-06 | 2023-07-11 | 张家港广大特材股份有限公司 | Compressive strength monitoring method and system for special steel |
| CN116413133B (en) * | 2023-06-06 | 2023-10-24 | 张家港广大特材股份有限公司 | Compressive strength monitoring method and system for special steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110132739B (en) | Micro fatigue test normal load loading device and method | |
| CN211292381U (en) | Concrete compression testing machine | |
| CN110629605B (en) | Rail adjusting device | |
| CN103760026A (en) | Loading device for laser-irradiated cylindrical shell test and experimental method | |
| CN112098195A (en) | Adjustable loading device for concrete column axial compression and bias test | |
| CN211122338U (en) | Intensity detection device is used in aluminum plate production | |
| CN103913384A (en) | Axial rigidity measuring apparatus of ball screw assembly | |
| CN203616149U (en) | Test loading device for below-train fuel tank of fuel motor train unit | |
| CN216283228U (en) | Adjustable sheet metal amount of deflection detection device | |
| CN211205122U (en) | Clamp for detecting height of spring piece | |
| CN207586019U (en) | A kind of fixture for the experiment of composite board compression performance | |
| CN105291005A (en) | Clamping device for tubular elastic parts | |
| CN210375983U (en) | Device for measuring uniaxial compression constitutive relation of ultrahigh-performance concrete | |
| CN211571218U (en) | Track adjusting device | |
| CN209783717U (en) | Weighing device capable of realizing limiting protection | |
| CN202915850U (en) | Measuring tool for measuring the assembly size of special products | |
| CN204405313U (en) | For the supporting bracket of chair back crushing resistance and fatigability proving installation | |
| CN111551439A (en) | Integral type bias voltage experimental apparatus | |
| CN214408409U (en) | High-strength bolt bearing capacity detection clamp for steel structure | |
| CN219201112U (en) | Dial indicator mounting rack for anchor rod drawing test | |
| CN216182979U (en) | Press machine with pressure adjusting function for machining tapered roller bearing | |
| CN110816779A (en) | Device and system for continuously monitoring and assisting in adjusting levelness of component | |
| CN202224922U (en) | Adjusting device used for mounting of marine generator | |
| CN220575797U (en) | Crystal press-fitting device and crystal processing equipment | |
| CN111351997A (en) | Port contact pin test fixture |
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: 20200818 |