CN209148407U - A kind of concrete test die fixture - Google Patents
A kind of concrete test die fixture Download PDFInfo
- Publication number
- CN209148407U CN209148407U CN201821726099.3U CN201821726099U CN209148407U CN 209148407 U CN209148407 U CN 209148407U CN 201821726099 U CN201821726099 U CN 201821726099U CN 209148407 U CN209148407 U CN 209148407U
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- China
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- thermocouple
- parallel
- stainless steel
- sliding block
- parallel telescopic
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Abstract
A kind of concrete test die fixture, belong to laboratory experiment facility, it includes specimen holder, thermocouple locator, thermocouple locator is fixedly mounted on specimen holder, it is characterized in that specimen holder includes two parallel telescopic rods, two springs, two parallel telescopic rods are parallel, and two parallel telescopic rods are equipped with sliding slot, locating slot, located lateral bar is arranged in sliding slot and can slide along the chute, and located lateral knob is arranged in located lateral rod end head；Parallel telescopic rod both ends are separately connected spring, and two springs are parallel and are connected between two parallel telescopic rods.The utility model is when concrete elevated temperature property is tested, the buried depth of thermocouple and position can be accurately positioned with the scale mark of parallel telescopic rod by thermocouple locator, and thermocouple can be fixed by stainless steel buckle, the embedding position of thermocouple can be made more accurate, and improve the efficiency of test.
Description
Technical field
The utility model belongs to laboratory experiment facility, for fixing thermocouple.
Background technique
With the continuous maturation of concrete technology, numerous scholars have carried out exploratory development to high performance concrete, wherein resistance to
High temperature concrete is exactly research boom, however temperature field is the basis of concrete elevated temperature property research, therefore in concrete high temperature
Thermocouple is inserted when test to be particularly important to test its thermo parameters method.In scientific research institutions, concrete elevated temperature property is studied
Shi Tongchang preparatory embedding thermocouple in concrete, in order to make thermocouple reach target position before concrete hardening,
Common practice is manually to buttress thermocouple in casting concrete or thermocouple is fixed on suspended scaffold
It is poured, or drills on test specimen after test specimen completes and be fixed temporarily thermocouple.
These types of method is time-consuming and laborious when having the following deficiencies: 1, in high volume production concrete sample to seem awkward,
2, due to manual operation or there is very big error that thermocouple can not be made accurately to be fixed on desired position, 3, be also not up in concrete
By slight disturbance when certain intensity, thermocouple can be made to move, to cause to have between thermocouple and concrete thin
Microcrack.Disadvantages described above can all lead to the validity and accuracy of research, bring some difficulties to the research of high temperature concrete.
Summary of the invention
For the accuracy of experiment, the utility model provides a kind of concrete test die fixture that can fix thermocouple, makes
Concrete high temperature experiment it is more convenient with it is accurate.
Technical solutions of the utility model: a kind of concrete test die fixture, including specimen holder, thermocouple locator, sample
Thermocouple locator is fixedly mounted on fixture, it is characterized in that specimen holder includes two parallel telescopic rods, two springs, two flat
Row telescopic rod is parallel, and two parallel telescopic rods are equipped with sliding slot, locating slot, and two parallel telescopic rods are arranged in located lateral bar
It can slide in sliding slot and along the chute, located lateral knob is arranged in located lateral rod end head；Parallel telescopic rod both ends are separately connected bullet
Spring, two springs are parallel and are connected between two parallel telescopic rods；The thermocouple locator includes longitudinal register sliding block, water
Average, stainless steel buckle, vertical positioning sliding block, longitudinal register slide block set is on located lateral bar and can be in located lateral bar
Upper longitudinal sliding motion, longitudinal register sliding block are positioned by positioning knob；Longitudinal register sliding block connects levelling bench, levelling bench welding
Internal diameter is greater than the stainless steel buckle of thermoelectricity dual diameter, and millimeter graduated scale, the zero graduation of millimeter graduated scale is fixedly mounted in levelling bench
Line is concordant with the stainless steel buckle upper end of levelling bench, and the vertical positioning that being cased on millimeter graduated scale can slide up and down is slided
Block, longitudinal register sliding block soldering stainless steel buckle；The stainless steel buckle and longitudinal register sliding block of levelling bench welding are welded not
Steel buckle of becoming rusty is coaxial.
The stainless steel buckle uses hose clamp or reducing double-bellmouth pipe collar.
The parallel telescopic rod is equipped with scale mark.
The parallel telescopic rod telescopic extensions are 120mm to 340mm.
The utility model can pass through the scale of thermocouple locator and parallel telescopic rod when concrete elevated temperature property is tested
The buried depth of thermocouple and position is accurately positioned in mark, and thermocouple can be fixed by stainless steel buckle,
The embedding position of thermocouple can be made more accurate, and improve the efficiency of test.
Detailed description of the invention
It is further clear to the utility model below in conjunction with attached drawing in order to illustrate more clearly of the technical solution of the utility model
The explanation of Chu
FIG. 1 is a schematic structural view of the utility model
In figure, 1, parallel telescopic rod, 2, sliding slot, 3, locating slot, 4, parallel spring, 5, locating rod, 6, with reeded circle
Column, 7, longitudinal register sliding block, 8, stainless steel buckle I, 9, stainless steel buckle II, 10, vertical positioning sliding block, 11, vertical graduated scale,
12, located lateral knob, 13, positioning knob, 14, chain-wales.
Specific embodiment
As shown in Figure 1, the utility model includes two parallel telescopic rods 1, two parallel telescopic rods 1 are parallel, and two parallel
Telescopic rod 1 is equipped with sliding slot 2, locating slot 3, and located lateral bar 5 is arranged in sliding slot 2 and can slide and be determined along the chute by lateral
Position knob 12 positions；Parallel 1 both ends of telescopic rod are fixedly connected with cylinder 6, and cylinder 6 is equipped with hook groove, and the both ends of parallel telescopic rod 1 are each
A spring 4 is connected, 4 one end of spring is hooked in the hook groove of the cylinder 6 of a parallel telescopic rod 1, and 4 other end of spring is hooked in another
In the hook groove of the cylinder 6 of a parallel telescopic rod 1.
Located lateral bar 5 is equipped with longitudinal register sliding block 7, and longitudinal register sliding block 7 is positioned by positioning knob 13.
Longitudinal register sliding block 7 connects chain-wales 14, and chain-wales 14 connect vertical graduated scale 11, and the vertical setting of graduated scale 11 is perpendicular
To positioning sliding block 10, vertical positioning sliding block 10 is slided up and down along vertical graduated scale 11；
Scale is carved in 1 upper surface of parallel telescopic rod, is made of steel, is determined for the lateral position of thermocouple
It sets；Locating slot 3 is used for the fixation of die trial；Located lateral bar 5 can slide the lengthwise position of fixed thermocouple on parallel telescopic rod；
Longitudinal register sliding block 7 can the longitudinal sliding motion on located lateral bar 5, can be fixed on located lateral bar 5 by positioning knob 13,
Extend a chain-wales 14 to the other side in top；Two parallel springs 4 clamp two parallel telescopic rods 1 with concrete test die solid
It is fixed；To prevent die trial from falling off, located lateral knob 12 may pass through the end that through-going recess 2 is screwed in located lateral bar 5, with fixed horizontal
To locating rod；Stainless steel buckle I 8, which is fixed on chain-wales 14 and is held out against by screwing screw, blocks thermocouple；Vertical graduated scale
11 are fixed on chain-wales 14, and zero graduation line is concordant with stainless I 8 upper end of steel buckle；Vertical positioning on vertical graduated scale 11 is slided
Block 10 can be slided up and down along vertical graduated scale 11；The structure of stainless steel buckle II 9 is identical as stainless steel buckle I 8, stainless steel buckle
II 9 is coaxial with stainless steel buckle I 8, and stainless steel buckle II 9 is fixed on vertical positioning sliding block 10, the lower part of stainless steel buckle II 9
It is concordant with vertical 10 lower part of positioning sliding block, and be vertically aligned with stainless steel buckle I 8.
The use step of the utility model:
1, the locating slot 3 of the side of parallel telescopic rod 1 stationary fixture: is stuck in preprepared die trial one side edge
On, by manual tension the locating slot 3 of the other side is stuck in another side edge of die trial；
2, adjust the position of fixed thermocouple fixed ruler: first determination will be inserted into the horizontal position (x, y) of thermocouple, and x is heat
Galvanic couple is inserted into the horizontal position of surface of test piece, and y is the lengthwise position that thermocouple is inserted into surface of test piece, then passes through parallel telescopic rod 1
Scale above determines the horizontal position of located lateral bar 5, screws 12 fixed lateral locating rod 5 of located lateral knob.Pass through cross
Scale in locating rod 5 determines the lengthwise position of longitudinal register sliding block 7, screws the fixed longitudinal register sliding block of positioning knob 13.
Position (x, y) of the thermocouple on test specimen has thus been determined；
3, adjustment thermocouple insertion test specimen depth: assuming that thermocouple insertion test specimen depth be z, then by thermocouple from
Top sequentially passes through stainless steel buckle II 9 and stainless steel buckle I 8, when thermocouple lower part is contacted with test specimen upper surface, screws
The fixed thermocouple of nut in stainless steel buckle I 8, moves up and down the lower end that vertical positioning sliding block 10 makes vertical positioning sliding block 10
It is concordant with the z scale in vertical positioning rule 11 to determine vertical position, and the fixed thermocouple of screw for screwing stainless steel buckle II 9
The depth of insertion；
4, test specimen makes: pre- mixed concrete being fitted into die trial, is positioned thermocouple by rotational positioning knob 13
Device is removed, and is separated fixture with die trial by the parallel telescopic rod 1 of manual tension, is then moved on on shake table die trial, unscrew not
The nut of rust steel buckle I 8 is inserted into thermocouple in test specimen with the vibration free-falling of die trial, when under stainless steel buckle II 9
Thermocouple is just accurately inserted into the designated position of test specimen when end falls to the upper end of stainless steel buckle I 8；
5, dismounting fixture: when concrete places a period of time and reaches some strength, the nut for unscrewing stainless steel buckle II 9 makes
Fixture is separated with thermocouple, is mentioned fixture upwards and is proposed fixture from the top of thermocouple.
Claims (3)
- It is fixed that 1. thermocouple is fixedly mounted a kind of concrete test die fixture, including specimen holder, thermocouple locator, on specimen holder Position device, it is characterized in that specimen holder includes two parallel telescopic rods, two springs, two parallel telescopic rods are parallel, and two parallel Telescopic rod is equipped with sliding slot, locating slot, and located lateral bar is arranged in the sliding slot of two parallel telescopic rods and can slide along the chute, Located lateral knob is arranged in located lateral rod end head；Parallel telescopic rod both ends are separately connected spring, and two springs are parallel and connect Between two parallel telescopic rods；The thermocouple locator includes longitudinal register sliding block, levelling bench, stainless steel buckle, erects To positioning sliding block, longitudinal register slide block set on located lateral bar and can the longitudinal sliding motion on located lateral bar, longitudinal register Sliding block is positioned by positioning knob；Longitudinal register sliding block connects levelling bench, and levelling bench welds internal diameter and is greater than thermoelectricity dual diameter Stainless steel buckle, levelling bench is fixedly mounted millimeter graduated scale, the zero graduation line of millimeter graduated scale and levelling bench it is stainless Steel buckle upper end is concordant, and the vertical positioning sliding block that can be slided up and down, the welding of longitudinal register sliding block are cased on millimeter graduated scale Stainless steel buckle；The stainless steel buckle of levelling bench welding and the stainless steel buckle that longitudinal register sliding block welds are coaxial.
- 2. a kind of concrete test die fixture according to claim 1, it is characterized in that the parallel telescopic rod is equipped with scale mark.
- 3. a kind of concrete test die fixture according to claim 1, it is characterized in that the stainless steel buckle uses hose clamp or different Diameter double-bellmouth pipe collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726099.3U CN209148407U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete test die fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726099.3U CN209148407U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete test die fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148407U true CN209148407U (en) | 2019-07-23 |
Family
ID=67269388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821726099.3U Active CN209148407U (en) | 2018-10-24 | 2018-10-24 | A kind of concrete test die fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516126A (en) * | 2020-04-28 | 2020-08-11 | 张立东 | Auxiliary clamp for plastic test mold |
-
2018
- 2018-10-24 CN CN201821726099.3U patent/CN209148407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516126A (en) * | 2020-04-28 | 2020-08-11 | 张立东 | Auxiliary clamp for plastic test mold |
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