CN219737058U - Be used for cement mortar intensity test anchor clamps - Google Patents
Be used for cement mortar intensity test anchor clamps Download PDFInfo
- Publication number
- CN219737058U CN219737058U CN202321022123.6U CN202321022123U CN219737058U CN 219737058 U CN219737058 U CN 219737058U CN 202321022123 U CN202321022123 U CN 202321022123U CN 219737058 U CN219737058 U CN 219737058U
- Authority
- CN
- China
- Prior art keywords
- ball seat
- pressing plate
- concave ball
- cement mortar
- positioning
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- 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.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000011083 cement mortar Substances 0.000 title claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000004568 cement Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012669 compression test Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a clamp for cement mortar strength test, which comprises a pressing head assembly and a pressing plate assembly, wherein the pressing head assembly comprises an upper pressing plate, a concave ball seat and a transition joint, the upper pressing plate is connected with a plurality of screws, the screws penetrate through holes formed in the concave ball seat and extend to the upper part of the concave ball seat, a pressure spring is sleeved at the upper end position of the concave ball seat, the upper end of each screw is also connected with a locking nut for pressing the pressure spring onto the concave ball seat, the upper pressing plate is connected to the lower side of the concave ball seat through the screws, the pressure spring and the locking nut, the concave ball seat is arranged on the lower side of the concave ball seat, the matched upper pressing plate is provided with a convex ball surface supported in the concave ball seat, the transition joint is connected to the upper end of the concave ball seat, the pressing plate assembly is arranged under the pressing head assembly, the pressing plate assembly comprises a lower pressing plate and a cushion block, and the lower pressing plate is connected to the cushion block.
Description
Technical Field
The utility model relates to strength test equipment, in particular to a clamp for cement mortar strength test.
Background
The cement mortar prism needs to be subjected to compression test, the traditional test is carried out by adopting a compression tester for compression and matching of a cement compression clamp, the traditional cement compression clamp is shown in figure 1, a frame is taken as a main body, and a lower pressing plate is fixed at the lower part of the frame and is used for bearing cement test blocks; two positioning pins are arranged on the lower pressure plate and used for positioning the test block; a copper sleeve is tightly matched in the hole at the upper part of the frame, and a transmission guide post is arranged in the copper sleeve, so that the transmission post can freely move axially; the upper pressing plate is connected by a hanging spring, hung on the frame and contacted with the spherical surface of the conducting column, so that when the upper plane and the lower plane of the cement mortar prism test block are not parallel, the upper pressing plate can automatically rotate to enable the plane to be in close contact with the upper plane of the test block, one side of the upper pressing plate is provided with a guide round pin, and the guide round pin is inserted into a long groove in the middle of the frame to enable the upper pressing plate not to rotate in the horizontal plane; when the pressure-bearing working is carried out, the transmission guide post, the upper pressing plate, the lower pressing plate and the frame are positioned on the same axis, and after pressure relief, the upper pressing plate 5 can automatically reset due to the action of the tension spring 4; the structure is double-arm type.
The traditional cement compression-resistant clamp is limited by a frame structure, so that the cleaning of the slag after the cement mortar compression test is difficult; secondly, the compression-resistant clamp has a complex structure, more parts and complex frame processing technology, and is time-consuming and labor-consuming to assemble; in addition, the structure has a certain influence on the compression test data of cement mortar, wherein the friction force between the guide post and the copper bush and the tension of the suspension spring can cause inaccuracy of the test result.
Disclosure of Invention
In view of the foregoing disadvantages of the prior art, it is an object of the present utility model to provide a cement mortar strength test fixture that solves one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a be used for cement mortar intensity test anchor clamps, includes pressure head subassembly and clamp plate subassembly, the pressure head subassembly includes top board, concave ball seat and transitional coupling, connect a plurality of screws on the top board, the screw rod wears in the through-hole of seting up on concave ball seat to extend to concave ball seat top, the screw rod is located concave ball seat upper end position cover and establishes the pressure spring, just the screw rod upper end is still connected will the lock nut on the concave ball seat is pressed to the pressure spring, the top board is connected to concave ball seat downside through screw rod, pressure spring and lock nut, concave ball seat downside sets up the concave ball face, and complex top board upside sets up the convex sphere of support in concave ball face, transitional coupling connects in concave ball seat upper end, the clamp plate subassembly is arranged in under the pressure head subassembly, the clamp plate subassembly includes holding down plate and cushion, just the holding down plate is connected at the cushion.
As a further improvement of the above technical scheme:
the upper end of the upper pressing plate is provided with a plurality of threaded holes for connecting screws, and the screws are connected to the upper pressing plate in a threaded manner.
The concave ball seat is positioned on the through hole and is provided with a lower positioning groove at the lower end of the positioning pressure spring, and the lower positioning groove is matched with the upper positioning groove at the upper end of the positioning pressure spring arranged at the lower side of the locking nut.
The novel pressure testing device is characterized in that a first connecting hole is formed in the center of the concave ball seat, a threaded hole is formed in the lower end of the transition joint, the concave ball seat penetrates through the first connecting hole through an inner hexagon bolt to be matched with the threaded hole in a threaded mode to be connected to the lower side of the transition joint, and external threads connected with a pressure testing machine are arranged on the outer side of the upper end of the transition joint.
And the lower pressing plate is connected with a positioning pin for positioning the cement mortar prism.
The lower pressing plate is provided with a second connecting hole, the upper end of the cushion block is provided with a threaded hole, and the lower pressing plate passes through the second connecting hole through an inner hexagon bolt to be matched with the threaded hole in a threaded connection mode on the upper side of the cushion block.
And the cushion block is also in threaded connection with a positioning screw used for positioning the lower pressing plate.
Compared with the prior art, the utility model has the following beneficial technical effects:
1) The pressure head assembly and the pressure plate assembly of the cement mortar strength test fixture adopt a split structure, the pressure head assembly is directly connected with a force transducer of a pressure tester through a transition joint, the pressure plate assembly and the pressure head assembly are on the same axis, the structure is simple, the components are few, the installation is convenient, and no frame is easy to clean;
2) The pressure head component is directly driven to lift by the pressure testing machine, and friction force generated by mutual movement of redundant components is avoided in the use process, so that the accuracy of a test result is ensured;
3) The upper pressing plate is connected to the lower side of the concave ball seat through a screw rod, a pressure spring and a locking nut, the upper pressing plate and the concave ball seat are matched through a convex spherical surface and a concave spherical surface, a gap is reserved between the screw rod and a through hole of the concave ball seat, so that the upper pressing plate is subjected to pressure, the pressure can be automatically leveled according to the cement mortar condition of a test, and the pressure can be automatically restored after the pressure is relieved;
drawings
Fig. 1 shows a schematic structural view of a conventional cement compression clamp.
Fig. 2 shows a schematic structural view of the jig for cement mortar strength test of the present embodiment.
Fig. 3 shows a cross-sectional view of the jig for cement mortar strength test of the present embodiment.
The reference numerals in the drawings:
1. an upper press plate; 11. a screw; 12. a convex spherical surface; 2. a concave ball seat; 21. a through hole; 22. a concave spherical surface; 23. a lower positioning groove; 24. a first connection hole; 3. a transition joint; 4. a pressure spring; 5. a lock nut; 51. an upper positioning groove; 6. a lower pressing plate; 61. a positioning pin; 62. a second connection hole; 7. a cushion block; 71. and (5) positioning a screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following more detailed description of the device according to the present utility model is given with reference to the accompanying drawings and the detailed description. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as unduly limiting the utility model, but rather as falling within the scope of the utility model herein disclosed.
As shown in fig. 2 and 3, the clamp for cement mortar strength test in this embodiment comprises a pressing head assembly and a pressing plate assembly, the pressing head assembly comprises an upper pressing plate 1, a concave ball seat 2 and a transition joint 3, a plurality of threaded holes are formed in the upper end of the upper pressing plate 1, a plurality of screws 11 are connected to the upper pressing plate 1 through threaded holes in a threaded mode, the screws 11 penetrate through holes 21 formed in the concave ball seat 2 and extend to the upper portion of the concave ball seat 2, gaps are reserved between the screws 11 and the through holes 21, a pressure spring 4 is sleeved at the upper end position of the concave ball seat 2, the upper end of the screws 11 is further connected with a locking nut 5 for pressing the pressure spring 4 onto the concave ball seat 2, the upper pressing plate 1 is connected to the lower side of the concave ball seat 2 through the screws 11, the concave ball seat 22 is arranged on the lower side of the concave ball seat 2, the upper side of the matched upper pressing plate 1 is provided with a convex ball 12 supported in the concave ball seat 22, the transition joint 3 is connected to the upper end of the concave ball seat 2, the pressing plate assembly is arranged under the pressing head assembly, the pressing plate assembly comprises a lower pressing plate 6 and a cushion block 7, and the lower pressing plate 6 is connected to the cushion block 7.
The lower positioning groove 23 for positioning the lower end of the pressure spring 4 is formed in the position of the concave ball seat 2 on the through hole 21, and the upper positioning groove 51 for positioning the upper end of the pressure spring 4 is formed in the lower side of the locking nut 5 in a matched mode, so that the accurate positioning of the pressure spring 4 is ensured.
The first connecting hole 24 is offered at the ball seat 2 central authorities, and the screw hole is offered to transition joint 3 lower extreme, and ball seat 2 passes first connecting hole 24 cooperation screw hole threaded connection at transition joint 3 downside through the hexagon socket head cap screw, and ball seat 2 and transition joint 3 can dismantle the connection, and the external screw thread of connecting the pressure testing machine is set up in the transition joint 3 upper end outside, makes transition joint 3 and pressure testing machine can dismantle the connection.
The lower pressing plate 6 is connected with a positioning pin 61 for positioning the cement mortar prism body, and the positioning pin is used for positioning the cement mortar on the lower pressing plate 6.
The cushion block 7 is further in threaded connection with a positioning screw 71 for positioning the lower pressure plate 6, the lower pressure plate 6 is positioned on the cushion block 7, the lower pressure plate 6 is provided with a second connecting hole 62, the upper end of the cushion block 7 is provided with a threaded hole, the lower pressure plate 6 passes through the second connecting hole 62 through an inner hexagonal bolt to be matched with the threaded hole to be in threaded connection with the upper side of the cushion block 7, and the lower pressure plate 6 is detachably connected with the cushion block 7.
When the clamp for cement mortar strength test is installed, firstly, the socket head cap 2 and the transition joint 3 are connected together through the socket head cap screw, then the screw 11 is connected to the upper pressing plate 1, then the screw 11 passes through the through hole 21 on the socket head cap 2, the upper end of the screw 11 is sleeved with the pressure spring 4 and connected with the locking nut 5, the pressure spring 4 is compressed through the locking nut 5, the upper pressing plate 1 is connected to the lower side of the socket head cap 2, namely, the installation of a pressure head assembly is completed, and then the pressure head assembly is connected to a force transducer of a pressure tester through the external thread of the transition joint 3; and then the lower pressing plate 6 is connected to the cushion block 7 through an inner hexagon bolt to complete the installation of the pressing plate assembly, and finally, the pressing plate assembly is arranged right below the pressing head assembly, so that the upper pressing plate 1 and the lower pressing plate 6 are positioned on the same axis, and the installation of the cement mortar strength test fixture is completed.
When the clamp for cement mortar strength test is used, the positioning pin 61 is used for positioning the cement mortar prism to be tested, then the pressure tester drives the pressure head assembly to descend, the upper pressing plate 1 of the pressure head assembly presses the cement mortar prism and presses the cement mortar prism, as a gap is reserved between the screw 11 and the through hole 21, and the upper pressing plate 1 and the concave ball seat 2 are matched and supported through the convex spherical surface 12 and the concave spherical surface 22, the upper pressing plate 1 can move along the spherical surface, so that the upper pressing plate 1 can automatically adjust the angle when the upper plane and the lower plane of the cement mortar prism to be tested are not parallel when the pressure work is performed, the lower plane of the upper pressing plate 1 is in close contact with the upper plane of the cement mortar prism to be tested, the accuracy of the test is ensured, after the pressure test is finished, the pressure tester drives the pressure head assembly to ascend and reset, and the upper pressing plate 1 resets under the action of the pressure spring 4.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which shall fall within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. Be used for cement mortar intensity test anchor clamps, its characterized in that: including pressure head subassembly and clamp plate subassembly, the pressure head subassembly includes top board, concave ball seat and transition joint, connect a plurality of screws on the top board, the screw rod wears in the through-hole of seting up on concave ball seat to extend to concave ball seat top, the pressure spring is established to the screw rod position cover that is located concave ball seat upper end, just the screw rod upper end still is connected will the lock nut on the concave ball seat is pressed to the pressure spring, the top board is connected to concave ball seat downside through screw rod, pressure spring and lock nut, concave ball seat downside sets up the concave sphere, and complex top board upside sets up the convex sphere of support in concave sphere, transition joint connects in concave ball seat upper end, the clamp plate subassembly is arranged in under the pressure head subassembly, the clamp plate subassembly includes holding down plate and cushion, just the holding down plate is connected at the cushion.
2. The fixture for cement mortar strength test as claimed in claim 1, wherein: the upper end of the upper pressing plate is provided with a plurality of threaded holes for connecting screws, and the screws are connected to the upper pressing plate in a threaded manner.
3. The fixture for cement mortar strength test as claimed in claim 1, wherein: the concave ball seat is positioned on the through hole and is provided with a lower positioning groove at the lower end of the positioning pressure spring, and the lower positioning groove is matched with the upper positioning groove at the upper end of the positioning pressure spring arranged at the lower side of the locking nut.
4. The fixture for cement mortar strength test as claimed in claim 1, wherein: the first connecting hole is formed in the center of the concave ball seat, the threaded hole is formed in the lower end of the transition joint, the concave ball seat penetrates through the first connecting hole through the inner hexagon bolt to be matched with the threaded hole in a threaded mode to be connected to the lower side of the transition joint, and the outer side of the upper end of the transition joint is provided with external threads connected with a press.
5. The fixture for cement mortar strength test as claimed in claim 1, wherein: and the lower pressing plate is connected with a positioning pin for positioning the cement mortar prism.
6. The fixture for cement mortar strength test as claimed in claim 1, wherein: the lower pressing plate is provided with a second connecting hole, the upper end of the cushion block is provided with a threaded hole, and the lower pressing plate passes through the second connecting hole through an inner hexagon bolt to be matched with the threaded hole in a threaded connection mode on the upper side of the cushion block.
7. The fixture for cement mortar strength test as set forth in claim 6, wherein: and the cushion block is also in threaded connection with a positioning screw used for positioning the lower pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321022123.6U CN219737058U (en) | 2023-04-27 | 2023-04-27 | Be used for cement mortar intensity test anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321022123.6U CN219737058U (en) | 2023-04-27 | 2023-04-27 | Be used for cement mortar intensity test anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737058U true CN219737058U (en) | 2023-09-22 |
Family
ID=88032181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321022123.6U Active CN219737058U (en) | 2023-04-27 | 2023-04-27 | Be used for cement mortar intensity test anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737058U (en) |
-
2023
- 2023-04-27 CN CN202321022123.6U patent/CN219737058U/en active Active
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