CN208902491U - A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen - Google Patents
A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen Download PDFInfo
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- CN208902491U CN208902491U CN201821489097.7U CN201821489097U CN208902491U CN 208902491 U CN208902491 U CN 208902491U CN 201821489097 U CN201821489097 U CN 201821489097U CN 208902491 U CN208902491 U CN 208902491U
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Abstract
The utility model discloses a kind of glue sand limited expansion rate test three joint-trial moulds of test specimen, including end template, the first side template being arranged on end template and the second side template, plug the partition for connecting first side template and second side template, the screw rod being threaded on the end template, longitudinal limiter is equipped between first side template, the second side template, the ailhead at the longitudinal direction limiter both ends bears against the side of first side template, the second side template；Limit plate is equipped between first side template, the second side template, the limit plate bottom is equipped with the first groove of the fixed partition and the concave limit slot of the fixed ailhead；The position opposite with the screw rod is equipped with baffle on the end template, and the end template side parallel with the partition is equipped with positioning pin.What the utility model prevented longitudinal limiter during specimen molding floats loosenings, while reducing end plate and ailhead that glue body is stained with longitudinal limiter, raising test accuracy.
Description
Technical field
The utility model belongs to concrete test mould applications, and in particular to a kind of glue sand limited expansion rate test test specimen use
Three joint-trial moulds.
Background technique
Cement expansive material is shunk as additive compensating concrete, is that a kind of non-load of control concrete structure cracks
Important technical, and glue sand limited expansion rate is then one of the main indicator for detecting cement expansive material.Currently, glue sand limits
Expansion rate test test specimen at the time of molding can pre-buried longitudinal limiter, shaping test piece overall length 158mm, glue sand portion size 40mm ×
40mm×160mm.But during specimen molding, occur floating because plain bumper vibration will lead to longitudinal limiter, asking of loosening
Topic, and then test specimen axial line is caused to deviate with longitudinal limiter axial line, influence the accuracy of final test.
CN201720244840.1 discloses a kind of three joint-trial mould of cement mortar, including end template, setting are on end template
The first side template and the second side template and plug the partition for connecting first side template and second side template, partition
Length direction along second side template is arranged, and the first side template is fixedly connected with the end template, sets on end template
There is the second side template of conflict relative to the partition other side and contradicts the conflict of two partitions along orientation both ends simultaneously
Part, contradictory piece contact between two partitions back to one side wall, the driving contradictory piece is threaded on end template
Contradict the screw rod of second side template.The utility model by the setting of contradictory piece to the second side template and partition simultaneously into
Row limit, acts on contradictory piece application by way of being threadedly coupled between screw rod and end template, but this is all only limitted to mold
The fixed function of itself, and the movement of longitudinal limiter can not be reduced.
Summary of the invention
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of glue sand limited expansion rate test examination
Three joint-trial moulds of part effectively prevent the longitudinal limiter occurred during specimen molding to float loosening, while effectively reducing glue sand
Slurry is stained with the end plate and ailhead of longitudinal limiter, improves test accuracy.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of glue sand limited expansion rate tests three joint-trial moulds of test specimen, including end template, be arranged on end template first
Side template and the second side template plug and connect the partition of first side template and second side template, are threaded in institute
The screw rod on end template is stated, longitudinal limiter, longitudinal limit are equipped between first side template and second side template
The ailhead at device both ends processed bears against the side of first side template Yu second side template；First side template and institute
State and be equipped with limit plate between the second side template, the limit plate bottom be equipped with the fixed partition the first groove and it is fixed described in
The concave limit slot of ailhead；The position opposite with the screw rod is equipped with baffle on the end template, on the end template with it is described
The parallel side of partition is equipped with positioning pin.
The partition will be divided into several separate spaces between first side template and second side template, if
Longitudinal limiter is placed in the dry separate space, utilizes first groove and the concave on the limit plate
The partition, longitudinal limiter are fixed on the end template by limiting slot.
Preferably, four partitions, first side template edge are plugged between first side template, the second side template
Its length direction, second side template are all provided with along its length to be used to plug the partition there are four third groove；It is located at
First side template, the second side template both ends two third grooves to open shelves be 6mm, depth 3mm, be located at described the
It is 6mm, depth 8mm that two third grooves among one side template, the second side template, which open shelves,.On first side template
Four third grooves are set, four third grooves, first side template, second are set on second side template
The third groove on side template corresponds, and the third groove is inserted at the both ends of four partitions respectively, realizes
The connection of the partition and first side template and second side template；Four partitions by first side template with
Space between second side template is divided into 3 independent spaces, for making expansion rate test test specimen simultaneously.
It is highly preferred that the long 39.5mm of limit plate, wide 20.0mm, high 5.0mm.
Preferably, the limit plate is located at the first side template/second side form height 1/2 or more.
Preferably, the concave limit slot is located among two adjacent first grooves.To which the longitudinal direction be limited
Device processed is fixed on the center of the separate space of the adjacent partition composition, to guarantee that longitudinal limiter is located at test test specimen
Center.
Preferably, the concave limit slot is semicolumn limiting slot, and the semicolumn limits flute length 4.9mm~5.1mm, end
Radius surface 3.25mm.
It is highly preferred that the semicolumn limiting slot is located at the 1/2 of the limit plate height.
Preferably, the screw rod is equipped with driving handle.By the driving screw rod described in hand-drive to described second
Side template is mobile, to realize being fixedly clamped between first side template, the partition and second side template.
It is highly preferred that the driving handle is connected with driving motor.The spiral shell is driven using the effect of the driving motor
Bar is mobile.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model uses limit plate with fixed longitudinal limiter, effectively prevent specimen molding to occur in the process vertical
Float loosening to limiter, improves test accuracy；
2, the utility model effectively reduces glue body using the ailhead on the outside of the fixed longitudinal limiter two end plates of limit plate
It is stained with the end plate and ailhead of longitudinal limiter, improves test accuracy.
Detailed description of the invention
Fig. 1 is a kind of glue sand limited expansion rate test test specimen bowing with three joint-trial moulds described in the utility model embodiment 1
View；
Fig. 2 tests test specimen for a kind of glue sand limited expansion rate described in the utility model embodiment 1 and is limited in three joint-trial moulds
The right view of position plate；
Fig. 3 tests test specimen for a kind of glue sand limited expansion rate described in the utility model embodiment 1 and is limited in three joint-trial moulds
The bottom view of position plate；
Fig. 4 tests test specimen for a kind of glue sand limited expansion rate described in the utility model embodiment 1 and is indulged in three joint-trial moulds
To the mounting structure schematic diagram of limiter；
Fig. 5 is that a kind of glue sand limited expansion rate described in the utility model embodiment 1 tests test specimen in three joint-trial moulds the
The structural schematic diagram of one side template；
Fig. 6 is that a kind of glue sand limited expansion rate described in the utility model embodiment 1 tests test specimen in three joint-trial moulds the
The structural schematic diagram of two side templates；
In figure: 1, end template；101, positioning pin；2, the first side template；3, the second side template；4, partition；5, screw rod；501,
Drive handle；6, longitudinal limiter；601, end plate；602, ailhead；7, limit plate；701, the first groove；702, concave limit slot；
8, baffle；9, third groove.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
Embodiment 1
A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen, are illustrated, including end template in conjunction with FIG. 1 to FIG. 6
1, the first side template 2 and the second side template 3 that are arranged on end template plug the first side template 2 of connection and the second side template 3
Four partitions 4, the screw rod 5 being threaded on end template 1, screw rod 5 are equipped with driving handle 501.First side template 2 is along its length
Degree direction is set there are four third groove 9, and the second side template 3 is provided along its length four third grooves 9, the first side template 2,
Third groove 9 on second side template 3 is for plugging partition 4；Positioned at the first side template 2, two of 3 both ends of the second side template
It is 6mm, depth 3mm that three grooves 9, which open shelves,；Two third grooves 9 among the first side template 2, the second side template 3 open shelves
For 6mm, depth 8mm.Longitudinal limiter 6 is equipped between first side template 2 and the second side template 3, longitudinal 6 both ends of limiter
Ailhead 602 bears against the side of the first side template 2 and the second side template 3；It is set between first side template 2 and the second side template 3
There are long 39.5mm, the limit plate 7 of wide 20.0mm, high 5.0mm, limit plate 7 is located at 3 height of the first 2/ second side template of side template
At 1/2 or more；7 bottom of limit plate is set there are four the first groove 701 of stationary barrier 4 and the concave of three fixed ailheads 602
Limiting slot 702, concave limit slot 702 are located among two adjacent the first grooves 701；The position opposite with screw rod 5 on end template 1
Baffle 8 is installed, the side parallel with partition 4 is equipped with positioning pin 101 on end template 1.
When specific implementation:
1, end template 1, the first side template 2, the second side template 3, partition 4, longitudinal limiter 6 two end plates 601 it is outer
Uniform scumbling butter on side and ailhead 602；
2, the first side template 2 is resisted against on baffle 8, is sequentially inserted into partition in the third groove 9 on the first side template 2
4, adjacent partition 4 and the first side template 2 form a semi-enclosed separate space；
3, it is respectively put into longitudinal limiter 6 in the semi-enclosed separate space of above three, makes three longitudinal limiters 6
One end is resisted against on the first side template 2, and longitudinal limiter 6 is located at the center of two adjacent separators 4；
4, second side template 3 is connected on partition 4 using the third groove 9 on the second side template 3, then the first side template
2, the second side template 3, partition 4 just form a whole frame, this general frame by four partitions 4 be divided into three it is independent
Die cavity；
5, mobile above-mentioned general frame is resisted against the first side template 2 on baffle 8, a partition 4 in outside is close to positioning
Pin 101；
6, four partitions 4 are blocked using four the first grooves 701 on limit plate 7, utilizes three concaves on limit plate 7
Limiting slot 702 blocks the ailhead 602 of three longitudinal limiters 6；In this way, just that longitudinal limiter 6 is fixed by two limit plates 7
Get up；
7, the hand-held driving handle 501 of staff rotates screw rod 5 to apply active force to the second side template 3, thus will
The general frame is fixed on end template 1；
8, end template 1 is fixed on plain bumper, injects cement mortar in three independent die cavitys, after jolt ramming,
End template 1 is put into standard curing box, after 20 ± 1 DEG C of temperature, the maintenance to demoulding time of >=90% relative humidities
Demoulding, obtains the test specimen of glue sand limited expansion rate test.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, the difference is that: concave limit slot 702 is semicolumn limiting slot, institute
State semicolumn limit flute length 4.9mm~5.1mm, end face radius 3.25mm；The semicolumn limiting slot is located at 7 height of limit plate
At 1/2；Driving handle 501 is connected with driving motor.
When it is implemented, it is substantially the same manner as Example 1, the difference is that:
1, end template 1, the first side template 2, the second side template 3, partition 4, longitudinal limiter 6 two end plates 601 it is outer
Uniform scumbling mould oil on side and ailhead 602；
And
7, staff starts the driving motor to drive driving handle 501 to move, and drives handle 501 by 5 turns of screw rod
It moves to apply active force to the second side template 3, so that the general frame is fixed on end template 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of glue sand limited expansion rate tests three joint-trial moulds of test specimen, including end template, the first side being arranged on end template
Template and the second side template, plug connect the partition of first side template and second side template, be threaded in it is described
Screw rod on end template, which is characterized in that longitudinal limiter, institute are equipped between first side template and second side template
The ailhead for stating longitudinal limiter both ends bears against the side of first side template Yu second side template；First side
Be equipped with limit plate between template and second side template, the limit plate bottom be equipped with the fixed partition the first groove and
The concave limit slot of the fixed ailhead；The position opposite with the screw rod is equipped with baffle, the end template on the end template
The upper side parallel with the partition is equipped with positioning pin.
2. a kind of glue sand limited expansion rate according to claim 1 tests three joint-trial moulds of test specimen, which is characterized in that described
Plug four partitions between first side template, the second side template, first side template along its length, described second
Side template is all provided with along its length to be used to plug the partition there are four third groove；Positioned at first side template, second
It is 6mm, depth 3mm that the third groove of two of side form board ends, which opens shelves, is located at first side template, the second side template
It is 6mm, depth 8mm that two intermediate third grooves, which open shelves,.
3. a kind of glue sand limited expansion rate according to claim 2 tests three joint-trial moulds of test specimen, which is characterized in that described
Limit plate long 39.5mm, wide 20.0mm, high 5.0mm.
4. a kind of glue sand limited expansion rate according to claim 1 tests three joint-trial moulds of test specimen, which is characterized in that described
Limit plate is located at the first side template/second side form height 1/2 or more.
5. a kind of glue sand limited expansion rate according to claim 1 tests three joint-trial moulds of test specimen, which is characterized in that described
Concave limit slot is located among two adjacent first grooves.
6. a kind of glue sand limited expansion rate according to claim 1 tests three joint-trial moulds of test specimen, which is characterized in that described
Concave limit slot is semicolumn limiting slot, and the semicolumn limits flute length 4.9mm~5.1mm, end face radius 3.25mm.
7. a kind of glue sand limited expansion rate according to claim 6 tests three joint-trial moulds of test specimen, which is characterized in that described
Semicolumn limiting slot is located at the 1/2 of the limit plate height.
8. a kind of glue sand limited expansion rate according to claim 1 tests three joint-trial moulds of test specimen, which is characterized in that described
Screw rod is equipped with driving handle.
9. a kind of glue sand limited expansion rate according to claim 8 tests three joint-trial moulds of test specimen, which is characterized in that described
Driving handle is connected with driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489097.7U CN208902491U (en) | 2018-09-12 | 2018-09-12 | A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489097.7U CN208902491U (en) | 2018-09-12 | 2018-09-12 | A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen |
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| Publication Number | Publication Date |
|---|---|
| CN208902491U true CN208902491U (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821489097.7U Active CN208902491U (en) | 2018-09-12 | 2018-09-12 | A kind of glue sand limited expansion rate test three joint-trial moulds of test specimen |
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| Country | Link |
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| CN (1) | CN208902491U (en) |
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2018
- 2018-09-12 CN CN201821489097.7U patent/CN208902491U/en active Active
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