CN210863735U - Portable mortar and concrete limited expansion rate tester - Google Patents
Portable mortar and concrete limited expansion rate tester Download PDFInfo
- Publication number
- CN210863735U CN210863735U CN201921060280.XU CN201921060280U CN210863735U CN 210863735 U CN210863735 U CN 210863735U CN 201921060280 U CN201921060280 U CN 201921060280U CN 210863735 U CN210863735 U CN 210863735U
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- China
- Prior art keywords
- frame pipe
- lower frame
- pipe
- movable pin
- concrete
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- Expired - Fee Related
Links
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model is suitable for the technical field of building engineering equipment, and provides a portable mortar and concrete expansion limiting rate tester, which comprises an upper frame pipe and a lower frame pipe, wherein the upper part of the upper frame pipe is fixed with an upper clamp plate, the upper clamp plate is sleeved with a movable pin, a testing device is fixedly arranged on the movable pin, the lower part of the lower frame pipe is fixed with a lower clamp plate, the upper frame pipe is provided with a fastening screw, the lower frame pipe is provided with two through holes, the lower frame pipe penetrates into the upper frame pipe, the fastening screw is screwed into one of the through holes to fix the upper frame pipe and the lower frame pipe into a whole, the device can be reduced in size and convenient and easy to carry by adjusting the positions of the upper frame pipe and the lower frame pipe, and simultaneously, compared with the traditional testing device, the clamping plate installed by the device has the characteristics of small volume and light weight, and the device only needs can accomplish the test alone, has improved work efficiency, has saved the labour.
Description
Technical Field
The utility model belongs to the technical field of building engineering equipment, especially, relate to a portable mortar and concrete restriction expansion rate apparatus.
Background
Along with the acceleration of the national engineering construction process, the problem of water seepage caused by concrete cracking becomes an urgent problem to be solved, the improvement of the crack resistance of the concrete by adding the concrete expanding agent is a technical means widely used at present, and the key technical index is to limit the expansion rate. Therefore, measuring the limited expansion rate of mortar and concrete is key to monitoring the quality of concrete expansive agent products and expansive concrete. The method comprises the steps of comparing and measuring length changes of a test block by using a standard rod, respectively loading mortar and concrete into a mold with a longitudinal limiting device during molding, demolding after the demolding strength is reached, and measuring the initial length of the test block. In the concrete testing process, the concrete testing can be completed only by the cooperative operation of two persons, and the test block is easy to collide due to the fact that the concrete is high in mass and inconvenient to move in the testing process; and the concrete is bigger than the length appearance volume, weight is big, to the place that does not have the test instrument, carries especially inconveniently.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a portable mortar and concrete restriction expansion ratio apparatus, aim at solving current test instrument and have bulky, heavy and carry inconvenient technical problem.
The utility model adopts the following technical scheme:
the portable mortar and concrete limited expansion rate tester comprises an upper frame pipe and a lower frame pipe, wherein an upper clamping plate is fixed on the upper part of the upper frame pipe, a movable pin is sleeved on the upper clamping plate, a testing device is fixedly mounted on the movable pin, a lower clamping plate is fixed on the lower part of the lower frame pipe, a fastening screw is arranged on the upper frame pipe, the lower frame pipe is provided with two through holes, the lower frame pipe penetrates into the upper frame pipe, and the fastening screw is screwed into one of the through holes to fix the upper frame pipe and the lower frame pipe into a whole.
Furthermore, the upper clamping plate and the lower clamping plate are formed by welding two side plates and a flat plate at right angles, and the invagination right-angle parts of the upper clamping plate and the lower clamping plate are symmetrically arranged up and down.
Furthermore, the flat plate of the upper clamping plate is provided with a round hole and two groups of pin holes communicated with the round hole, the movable pin penetrates into the round hole, and the two groups of pin holes are screwed in the locking screws to lock and fix the movable pin.
Further, the testing device penetrates through the movable pin and is fixed through a screw.
Furthermore, a handle is fixed on the upper frame tube.
The utility model has the advantages that: the utility model provides a portable mortar and concrete restriction expansion ratio apparatus through the position of adjusting upper rack pipe and lower rack pipe, can make the device volume diminish, and convenient light carries, and simultaneously, splint that the device installed are compared and are had characteristics small, that the quality is light in traditional testing arrangement to the device only needs can accomplish the test alone, has improved work efficiency, has saved the labour.
Drawings
FIG. 1 is a schematic structural diagram of a measuring instrument for measuring a limited expansion rate of concrete provided in example 1 of the present invention;
FIG. 2 is a schematic diagram of the test calibration of the concrete limited expansion ratio tester provided in example 1 of the present invention;
fig. 3 is a schematic structural diagram of a measuring instrument for measuring the limited expansion rate of the mortar provided in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, the portable mortar and concrete limited expansion rate tester provided by this embodiment includes an upper frame pipe 1 and a lower frame pipe 2, an upper clamp plate 3 is fixed on an upper portion of the upper frame pipe, a movable pin 4 is sleeved on the upper clamp plate, a testing device 5 is fixedly mounted on the movable pin, a lower clamp plate 6 is fixed on a lower portion of the lower frame pipe, a fastening screw 7 is arranged on the upper frame pipe, the lower frame pipe is provided with two through holes 8, the lower frame pipe penetrates into the upper frame pipe, and the fastening screw is screwed into one of the through holes to fix the upper frame pipe and the lower frame pipe into a whole.
The specific workflow of this embodiment is as follows: during operation, adjust the position of putting on the shelf pipe and lower frame pipe, make one of them through-hole of lower frame pipe and the fastening screw on the pipe of putting on the shelf align, fastening screw twists in the through-hole, will put on the shelf pipe fixed as an organic whole, penetrate the round hole of punch holder with the removable pin again, through locking screw with the removable pin locking fixed, then pass the removable pin with testing arrangement and pass through the fix with screw, accomplish the installation of the device promptly, then put into the sample that awaits measuring and detect in the device.
The utility model discloses an adjust the device and put on the shelf the position of pipe and lower carriage pipe, can make the device volume diminish, conveniently easily carry, simultaneously, splint that the device installed are compared and are had characteristics small, that the quality is light in traditional testing arrangement to the device only needs can accomplish the test alone, has improved work efficiency, has saved the labour.
As a concrete structure, the upper clamping plate and the lower clamping plate are formed by welding two side plates 9 and a flat plate 10 at right angles, and the invaginated right-angle parts of the upper clamping plate and the lower clamping plate are arranged up and down symmetrically.
More specifically, the flat plate of the upper clamping plate is provided with a round hole and two groups of pin holes communicated with the round hole, the movable pin penetrates into the round hole, the two groups of pin holes are screwed into the locking screws 11 to lock and fix the movable pin, and the testing device penetrates through the movable pin and is fixed through the screws 12.
In addition, a handle 13 is fixed on the upper frame tube, so that the device is convenient to carry.
The technical solution of the present invention is further explained by the following specific examples.
Example 1
As shown in figure 1, during operation, the positions of the upper frame pipe and the lower frame pipe are adjusted, so that a through hole on the lower frame pipe is aligned with a fastening screw on the upper frame pipe, the fastening screw is screwed into the through hole to fix the upper frame pipe and the lower frame pipe into a whole, a movable pin is inserted into a flat plate round hole of an upper clamping plate and locked and fixed through a locking screw, then a testing device passes through the movable pin and is fixed through the screw, the testing device is calibrated through a concrete standard rod 14 (as shown in figure 2, the calibration process adopts a conventional method and is not repeated here), during testing, a concrete test block is placed between the upper clamping plate and the lower clamping plate, one end of the concrete test block is attached to the flat plate of the lower clamping plate, the other end of the concrete test block is attached to a measuring head of the testing device, the expansion value of the concrete test block can be measured by the testing device, and the whole process can be completed by one, Simple operation, high working efficiency and labor saving.
Example 2
As shown in fig. 3, during operation, the positions of the upper frame tube and the lower frame tube are adjusted to align the through hole below the lower frame tube with the fastening screw on the upper frame tube, the fastening screw is screwed into the through hole to fix the upper frame tube and the lower frame tube into a whole, the movable pin is inserted into the flat round hole of the upper clamping plate and locked and fixed by the locking screw, then the testing device passes through the movable pin and fixed by the screw, the testing device is calibrated by the standard rod of the mortar (it is required to explain that the calibration process adopts a conventional method, which is not described herein), during testing, the mortar test block is placed between the upper clamping plate and the lower clamping plate, one end of the mortar test block is attached to the flat plate of the lower clamping plate, the other end of the mortar test block is attached to the measuring head of the testing device, the expansion value of the mortar test block can be measured by the testing device, the whole process can be completed by one person, the operation, The labor is saved.
The utility model provides a portable mortar and concrete restriction expansion ratio apparatus through the position of adjusting upper rack pipe and lower rack pipe, can make the device volume diminish, and convenient light carries, and simultaneously, splint that the device installed are compared and are had characteristics small, that the quality is light in traditional testing arrangement to the device only needs can accomplish the test alone, has improved work efficiency, has saved the labour.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a portable mortar and concrete restriction expansion ratio apparatus, its characterized in that, includes upper bracket pipe and lower frame pipe, the upper portion of upper bracket pipe is fixed with the punch holder, the movable pin has been cup jointed on the punch holder, fixed mounting has testing arrangement on the movable pin, the lower part of lower frame pipe is fixed with the lower plate, be provided with fastening screw on the upper bracket pipe, the lower frame pipe is equipped with two through holes, the lower frame pipe penetrates in the upper bracket pipe, fastening screw twists one of them through hole and realizes fixing upper and lower frame pipe as an organic whole.
2. The portable mortar and concrete limited expansion ratio measuring instrument according to claim 1, wherein said upper and lower clamping plates are each formed by welding two side plates and a flat plate at right angles to each other, and the recessed right-angled portions of the upper and lower clamping plates are arranged in a vertically symmetrical manner.
3. The portable mortar and concrete limited expansion ratio tester as claimed in claim 2, wherein the flat plate of the upper clamping plate is provided with a circular hole and two sets of pin holes communicated with the circular hole, the movable pin penetrates into the circular hole, and the two sets of pin holes are screwed into the locking screws to lock and fix the movable pin.
4. The portable mortar and concrete limited expansion tester of claim 3 wherein the testing device is passed through the movable pin and secured by screws.
5. The portable mortar and concrete limited expansion ratio tester as claimed in any one of claims 1 to 4, wherein a handle is fixed to the upper frame tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921060280.XU CN210863735U (en) | 2019-07-09 | 2019-07-09 | Portable mortar and concrete limited expansion rate tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921060280.XU CN210863735U (en) | 2019-07-09 | 2019-07-09 | Portable mortar and concrete limited expansion rate tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210863735U true CN210863735U (en) | 2020-06-26 |
Family
ID=71289829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921060280.XU Expired - Fee Related CN210863735U (en) | 2019-07-09 | 2019-07-09 | Portable mortar and concrete limited expansion rate tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210863735U (en) |
-
2019
- 2019-07-09 CN CN201921060280.XU patent/CN210863735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |