CN207623095U - A kind of cement concrete test specimen fast demolding device based on gravity - Google Patents
A kind of cement concrete test specimen fast demolding device based on gravity Download PDFInfo
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- CN207623095U CN207623095U CN201721826356.6U CN201721826356U CN207623095U CN 207623095 U CN207623095 U CN 207623095U CN 201721826356 U CN201721826356 U CN 201721826356U CN 207623095 U CN207623095 U CN 207623095U
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- baffle
- test specimen
- cement concrete
- pedestal
- device based
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Abstract
The utility model discloses a kind of cement concrete test specimen fast demolding device based on gravity, including pedestal (1), and one end is detachable and several pillars (2) for being vertically connected on pedestal (1), the other end of pillar (2) is free end, and it is set with baffle (3) on the free end of several pillars (2), hole is opened up at the center of baffle (3), and baffle (3) can freely up and down be moved along pillar (2), the top of baffle (3) is connected with cover board (4) by circumferentially disposed spring (5), and it is additionally provided with bearing piece (6) between two neighboring pillar (2).Stripper apparatus provided by the utility model does not need other energy and provides power, have the advantages that environmental protection and energy saving, is easy to operate and easy to carry, and has great application value and promotion prospect.
Description
Technical field
The utility model belongs to cement concrete test specimen demoulding clothing arts, and in particular to a kind of water based on gravity
Cement concrete test specimen fast demolding device.
Background technology
Cement concrete is one of current most important pavement construction material, to ensure the use quality of concrete construction
And Years Of Service, need basis《Highway engineering cement and cement concrete testing regulations》(JTGE30-2005) relevant property is carried out
It can test.However, either existing《Highway engineering cement and cement concrete testing regulations》(JTG E30-2005), still《Water
Cement concrete mixture mixes and stirs and field sampling method》(T0551-2005) in, after all not referring to concrete sample molding
Release method.In actual tests operating process, the release method that mainly uses for：Sufficient air pressure is provided using air pump, it will
Die trial presses after being inverted at the venthole of die trial bottom, to extrude test specimen from die trial.
Mainly there is the following insufficient using traditional release method：First, die trial type is extremely more, material differs, specification
There are larger difference, all in bottom there are stomata, the applicability of the release method remains to be discussed for not all die trial；Its
Two, which needs air pump to provide sufficient air pressure, and equipment cost is higher；Third, equipment using when need to provide power supply, suitable
The pneumatic gun head etc. of die trial pore size is closed, restrictive condition is more；Fourth, when die trial material is that density is higher, quality is larger
When material, die trial dead weight is larger, leads to required air pressure higher, there are operating safety risks.Therefore, it is badly in need of a kind of applicable model now
Enclose that wide, easy to operate, equipment cost is low and safe and reliable, quick concrete sample demoulding equipment.
Utility model content
It is quickly taken off in view of the above-mentioned problems, the utility model is intended to provide a kind of cement concrete test specimen based on gravity
Mold device, the device are based on gravity, and energy conservation and environmental protection, applied widely and easy to operate, stripping rate is fast, of low cost,
The demoulding work of concrete sample can be completed well.
What the utility model adopts the following technical solution to realize：
A kind of cement concrete test specimen fast demolding device based on gravity, including pedestal and one end it is detachable
And several pillars on pedestal are vertically connected on, the other end of pillar is free end, and is set on the free end of several pillars
Baffle opens up hole at the center of baffle, and baffle can freely up and down be moved along pillar, and the top of baffle is set by circumferential
The spring set is connected with cover board, and is additionally provided with bearing piece between two neighboring pillar.
The utility model, which further improves, to be, several threaded holes are offered on pedestal, and pillar is threaded in pedestal
On.
The utility model, which further improves, to be, several spare threaded holes are offered on pedestal.
The utility model, which further improves, to be, further includes several spare baffles closed with spare corresponding threaded holes.
The utility model, which further improves, to be, latch closure is both provided in the circumferential direction of baffle and cover board, for connection pair
Answer the both ends of spring.
The utility model, which further improves, to be, baffle and cover board are square plate, and the length of side of cover board is less than baffle
The length of side.
The utility model, which further improves, to be, foam-rubber cushion is additionally provided on pedestal.
The utility model has following beneficial technique effect：
According to the cement concrete fast demolding device provided by the utility model based on gravity, by pedestal when use
It is placed on smooth ground, screw thread hole site and baffle type is chosen according to die trial size, and install pillar；Column is passed through
Enter the hole of four corners of baffle, and test specimen to be demoulded be inverted on baffle, die trial inward flange just with baffle center
The empty edge alignment in place, places cover board, is used in combination the spring on cover board that baffle and test specimen are connected as entirety；Baffle is held, it will
The entirety lifts to certain altitude, places two bearing pieces on pedestal, position is located just at below baffle, test specimen two
Side；Baffle is discharged, baffle, test specimen, cover board decline along pillar as a whole under the effect of gravity, until blocked by bearing piece,
Die trial inner surface is coated with oily matter when due to shaping test piece, and test specimen disengaging die trial, which is fallen to, under effect of inertia is locally covered with sea
On continuous pedestal, demoulding work is completed.
Description of the drawings
Fig. 1 is a kind of structural representation of the cement concrete test specimen fast demolding device based on gravity of the utility model
Figure.
Fig. 2 is the structural schematic diagram of the utility model pedestal.
Fig. 3 is the structural schematic diagram of the utility model baffle.
Fig. 4 is the structural schematic diagram of the utility model pillar.
Fig. 5 is the structural schematic diagram of the utility model cover board.
Fig. 6 is the structural schematic diagram of the utility model spring.
Fig. 7 is the structural schematic diagram of the utility model bearing piece.
In figure：1- pedestals；2- pillars；3- baffles；4- cover boards；5- springs；6- bearing pieces；The spare threaded holes of 7-.
Specific implementation mode
The utility model is described in further details with reference to the accompanying drawings and examples.
As shown in Figures 1 to 7, a kind of cement concrete test specimen based on gravity provided by the utility model quickly takes off
Mold device, including offer the pedestal 1 of threaded hole, be connected on pedestal 1 dismountable pillar 2, bearing piece 6, Intermediate Gray hole
Baffle 3, cover board 4；The baffle 3 can freely up and down be moved along pillar 2；The cover board 4, baffle 3 can be connected as whole by spring 5
Body.
Further, the threaded hole for having multiple certain distances on pedestal 1, for mounting column 2；2 bottom end of pillar is external screw thread, can
The threaded hole being screwed on pedestal 1；Bearing piece 6 is independent two, can stablize, freely be positioned on pedestal 1；At 3 four angles of baffle
Each hole there are one slightly larger than 2 diameter of pillar runs through, and baffle 3 is made freely to be moved up and down along pillar 2 for pillar 2；Baffle
According to sample dimensions at 3 centers, there are a certain size cavity, it can prop up and block with certain thickness die trial and just enable die trial
It passes through；Respectively there are one latch closures for baffle 3 and 4 surrounding of cover board, can be connected by spring 5；It can between baffle 3 and cover board 4
Stablize the cement concrete test specimen placed and need to demoulded, and three is connected as an entirety under the action of spring 5.
In addition, attached《Concrete test die》(JG3019-94) common cement concrete die trial size in
Preferably, to avoid test specimen from destroying, prepare the sponge slightly larger than test specimen, be placed on bottom plate；Spiral shell on pedestal
It the position of pit, can there are multiple spare threaded holes 7 according to the size of die trial；According to die trial size, the position of threaded hole, baffle
4 can make it is multiple.
For convenience of description, it by taking standard cube of concrete die trial (150mm*150mm*150mm) as an example, illustrates.
As shown in Figure 1, the utility model includes：
1, pedestal, long * wide * thickness=100cm*100cm*2cm；There are the screw threads of 4 diameter 2cm in position
Hole, this 4 threaded holes are in the square at a distance of 20cm；
2, baffle, long * wide * thickness=30cm*30cm*1cm, four corners respectively there are one the hole of diameter 2.2cm, can enable baffle
It is freely moved up and down along pillar；Hollow out 150mm*150mm*150mm at center；Each radius of surrounding midpoint is 0.5cm's
Weld half latch closure；
3, pillar,High H=100cm, it is desirable that surface is smooth；
4, cover board, long * wide * thickness=15cm*15cm*1cm, each radius of surrounding midpoint are the welding semi-ring of 0.5cm
Button；
5, spring, former long 10cm, 4, one end is fixed at the latch closure of cover board, and one end can be held in baffle with hook
Latch closure on；
6, bearing piece, long * wide * high=15cm*3cm*20cm.
In order to be further appreciated that the utility model, now its operating procedure is made as described below：
Step (1), the assembling of stripper apparatus：As shown in Figure 1, before being demoulded, according to die trial size finishing device
Assembling：
(a) pedestal 1 is placed on smooth, solid ground, 42 bottom end bolts of pillar is screwed into the threaded hole of pedestal 1
It is interior；The selection of threaded hole is determined according to the size of die trial；
(b) selected baffle 3 is sleeved on by the hole on quadrangle on pillar 2；
(c) test specimen to be demoulded is upside down on baffle 3 so that the edge of the die trial hollow out side with 3 center of baffle just
Edge overlaps, and since die trial itself has certain thickness, can steadily be carried by baffle 3 and not influence test specimen from hollow part
It falls；
(d) cover board 4 is placed in the top of die trial, extension spring 5 catches on the latch closure of baffle 3 with hook so that cover board 4, examination
Mould and baffle 3 are connected as an entirety, can freely be moved up and down together along pillar 2.
Step (2) demoulds the progress of work：After stripper apparatus assembles, you can carry out demoulding work：
(a) cover board 4, die trial and 3 entirety of baffle are lifted along pillar 2 to certain altitude；
(b) two bearing pieces 6 are placed on pedestal 1, the hollow out sides aligned parallel of length direction and baffle 3 and positioned at examination
The both sides of mould can not only play the role of the whereabouts of tissue baffle 3, but also not influence test specimen falling off from 3 hollow part of baffle；
(c) entirety that cover board 4, die trial and baffle 3 form is discharged, under gravity, which can fall along pillar 2
Under；When baffle 3 touches bearing piece 6, whereabouts trend can be stopped together with die trial, cover board 4, and do not have baffle 3 below test specimen
Blocking, can be detached from die trial and fall under the action of inertia, complete demoulding work.
If (d) once-through operation can not complete demoulding work, repeat the above process, until test specimen falls off from die trial completely；
(e) knockout course of (a)-(d) is repeated, until completing all demoulding work；
(f) broken to prevent test specimen from falling off, foam-rubber cushion can be placed on pedestal；
Step (3), the dismounting of stripping fork：After completing all demoulding work, stripper apparatus is dismantled in time, is taken with facilitating
Band, placement：
After the demoulding work for completing all test specimens, the dismounting of device is carried out according to the opposite sequence of installation；
Explanation：To meet the applicability of equipment, different baffle 3 and cover board can be made according to the different sizes of die trial
4, spare threaded hole 7 is reserved on the different location of pedestal 1.
The advantages of the utility model, is as follows：
1, the utility model does not need other energy and provides power, is a set of concrete demoulding dress based on gravity
It sets, energy conservation and environmental protection；
2, the utility model is easy to carry, breaches the limitation of power source, more with practical value；
3, compared to traditional method for pneumatic demoulding, the utility model is easy to operate, be easy left-hand seat, demoulds rapid, safety
Property it is high；
4, applied widely, it can be used for the demoulding work of the concrete test die of various materials, it is necessary not need die trial bottom
With venthole, the loss of cement slurry can be effectively prevent.
Claims (7)
1. a kind of cement concrete test specimen fast demolding device based on gravity, which is characterized in that including pedestal (1), with
And one end is detachable and several pillars (2) for being vertically connected on pedestal (1), the other end of pillar (2) is free end, and several
It is set with baffle (3) on the free end of pillar (2), hole is opened up at the center of baffle (3), and baffle (3) can be along pillar
(2) it freely up and down moves, the top of baffle (3) is connected with cover board (4), and two neighboring branch by circumferentially disposed spring (5)
Bearing piece (6) is additionally provided between column (2).
2. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 1, feature
It is, several threaded holes are offered on pedestal (1), and pillar (2) is threaded on pedestal (1).
3. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 2, feature
It is, several spare threaded holes (7) is offered on pedestal (1).
4. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 3, feature
It is, further includes several and the matched spare baffle of spare threaded hole (7).
5. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 1, feature
It is, is both provided with latch closure in the circumferential direction of baffle (3) and cover board (4), the both ends for connecting corresponding spring (5).
6. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 1, feature
It is, baffle (3) and cover board (4) are square plate, and the length of side of cover board (4) is less than the length of side of baffle (3).
7. a kind of cement concrete test specimen fast demolding device based on gravity according to claim 1, feature
It is, pedestal is additionally provided with foam-rubber cushion on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826356.6U CN207623095U (en) | 2017-12-23 | 2017-12-23 | A kind of cement concrete test specimen fast demolding device based on gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826356.6U CN207623095U (en) | 2017-12-23 | 2017-12-23 | A kind of cement concrete test specimen fast demolding device based on gravity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623095U true CN207623095U (en) | 2018-07-17 |
Family
ID=62821102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721826356.6U Expired - Fee Related CN207623095U (en) | 2017-12-23 | 2017-12-23 | A kind of cement concrete test specimen fast demolding device based on gravity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366698A (en) * | 2018-11-02 | 2019-02-22 | 萍乡学院 | Large-size concrete test block pours and demoulds integrated mould and its application method |
| CN110696174A (en) * | 2019-10-28 | 2020-01-17 | 长安大学 | Concrete test block demolding device and demolding method |
| CN112903405A (en) * | 2021-01-20 | 2021-06-04 | 中国电建集团华东勘测设计研究院有限公司 | Simple demoulding device and demoulding method for concrete test block based on gravity action |
-
2017
- 2017-12-23 CN CN201721826356.6U patent/CN207623095U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366698A (en) * | 2018-11-02 | 2019-02-22 | 萍乡学院 | Large-size concrete test block pours and demoulds integrated mould and its application method |
| CN109366698B (en) * | 2018-11-02 | 2020-09-11 | 东华理工大学 | Large-size concrete test block pouring and demolding integrated mold and use method thereof |
| CN110696174A (en) * | 2019-10-28 | 2020-01-17 | 长安大学 | Concrete test block demolding device and demolding method |
| CN112903405A (en) * | 2021-01-20 | 2021-06-04 | 中国电建集团华东勘测设计研究院有限公司 | Simple demoulding device and demoulding method for concrete test block based on gravity action |
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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 |
Granted publication date: 20180717 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |