CN108732003A - A kind of molding machine and method of Behavior of Hardened Cement Paste bending test part - Google Patents
A kind of molding machine and method of Behavior of Hardened Cement Paste bending test part Download PDFInfo
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- CN108732003A CN108732003A CN201710284481.7A CN201710284481A CN108732003A CN 108732003 A CN108732003 A CN 108732003A CN 201710284481 A CN201710284481 A CN 201710284481A CN 108732003 A CN108732003 A CN 108732003A
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- plate
- side plate
- molding machine
- lower plate
- accommodation space
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of molding machines and method of Behavior of Hardened Cement Paste bending test part, which includes lower plate;Rectilinear the first side plate being arranged in the upper surface of lower plate;Rectilinear the second side plate being arranged on the upper surface of lower plate and be spaced apart with the first side plate relative type motor;The upper surface of lower plate and the spaced multiple partition boards of relative type motor are vertically set on, the both ends of each partition board with lower plate respectively with the first side plate and the second side plane contact to form at least one accommodation space;The upper cover plate closed in the opening of accommodation space can be covered, wherein the first groove of lower end of the setting for accommodating the first side plate, the molding machine can manufacture Behavior of Hardened Cement Paste bending test part on the upper surface of lower plate, and simple in structure.
Description
Technical field
The present invention relates to oil gas field technical field, the molding machine more particularly to a kind of Behavior of Hardened Cement Paste bending test part and side
Method.
Background technology
In Petroleum Production, cement mortar is widely used in well cementation.Form Behavior of Hardened Cement Paste after cement slurry sets, and the anti-folding of Behavior of Hardened Cement Paste
Intensity is the importance index of fracturing engineering operation.
In order to study the flexural strength of Behavior of Hardened Cement Paste, Behavior of Hardened Cement Paste testpieces is can be made into test it.However, not having at present
There is corresponding device for forming hardened oilwell cement bending test test specimen.
Invention content
Some or all of in view of the above technical problems, the present invention proposes a kind of molding dress of Behavior of Hardened Cement Paste bending test part
It sets and method.Behavior of Hardened Cement Paste bending test part can be manufactured by the molding machine, to study the fracture resistance of Behavior of Hardened Cement Paste.
According to an aspect of the present invention, a kind of molding machine of Behavior of Hardened Cement Paste bending test part is provided, including:
Lower plate,
Rectilinear the first side plate being arranged in the upper surface of lower plate,
Rectilinear the second side plate being arranged on the upper surface of lower plate and be spaced apart with the first side plate relative type motor,
Be vertically set on the upper surface of lower plate and the spaced multiple partition boards of relative type motor, the both ends of each partition board respectively with
First side plate and the second side plane contact to form at least one accommodation space with lower plate,
The upper cover plate closed in the opening of accommodation space can be covered,
Wherein, the first groove of the lower end for accommodating the first side plate is set on the upper surface of lower plate.
In one embodiment, the block in the setting of the outside of the first groove for limiting the first side plate.
In one embodiment, it is provided on the medial surface of the first side plate and the second side plate recessed with partition board matched second
Slot.
In one embodiment, the adjustment component of the position in the setting of the outside of the second side plate for adjusting the second side plate,
Preferably, adjustment component includes the nut being fixed on lower plate and the bolt that coordinates with nut.
In one embodiment, lower plate includes the seperated plate of detachable connection first and the second seperated plate, and first is seperated
Inside of the junction of plate and the second seperated plate close to the first side plate and positioned at the first side plate.
In one embodiment, the rectilinear dismountable rotary shaft of setting on lower plate, setting can on the rotary shaft
Along the adjustable scraper plate of the axial position of rotary shaft.
According to another aspect of the present invention, it provides and a kind of making Behavior of Hardened Cement Paste bending test part using above-mentioned molding machine
Method includes the following steps:
Step 1 injects cement mortar into accommodation space,
Step 2 closes upper cover plate lid in accommodation space,
The molding machine for filling cement mortar is put into water-bath and conserves by step 3,
Step 4 takes out the molding machine out of water-bath and carries out stripping operation.
In one embodiment, before step 1, in lower plate, the first side plate, the second side plate, partition board and upper cover plate
It is coated with lubricating oil on the surface contacted with cement mortar.
In one embodiment, in step 1, cement is injected into accommodation space with the pressure of 0.15 to 0.2 megapascal
Slurry.
In one embodiment, in step 1, the volume ratio of the volume and accommodation space of injecting cement mortar is 1.02-
1.1。
Compared with the prior art, the advantages of the present invention are as follows:Behavior of Hardened Cement Paste bending test part can be produced by molding machine.
Also, the forming device structure is simple, convenient for disassembly and assembly, is conducive to demould.
Description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 schematically shows the front view of molding machine according to the present invention;
Fig. 2 schematically shows the vertical view of part molding machine according to the present invention;
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not according to actual ratio.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 shows the molding machine 100 of Behavior of Hardened Cement Paste bending test part according to an embodiment of the invention.Such as Fig. 1
Shown, molding machine 100 includes lower plate 1, the first side plate 2, the second side plate 3, partition board 4 and upper cover plate 5.Wherein, lower plate 1 is
Tabular, and it is provided with the first groove 11 on the upper surface of which.First side plate 2 is rectilinear to be arranged on the upper surface of lower plate 1,
And its lower end is inserted into the first groove 11.The setting of first groove 11 is convenient to position the first side plate 2.Second side plate
3 it is rectilinear be arranged on the upper surface of lower plate 1, and be spaced apart with 2 relative type motor of the first side plate.In the first side plate 2 and second
The partition board 4 at multiple intervals is set between side plate 3, each partition board 4 is vertically set on the upper surface of lower plate 1, and both ends respectively with
First side plate 2 and the contact of the second side plate 3.To, by lower plate 1, the first side plate 2, the second side plate 3 and partition board 4 form to
A few accommodation space 6 (can see in Fig. 2).Upper cover plate 5 is overlapped on the first side plate 2, the second side plate 3 and partition board 4, with envelope
Close accommodation space 6.
It, can be first by above-mentioned lower plate 1, the first side plate 2, the second side as a result, before manufacturing Behavior of Hardened Cement Paste bending test part
Plate 3 and partition board 4 assemble, to form accommodation space 6.Again cement mortar is injected into accommodation space 6.Then, in accommodation space 6
Opening cover upper cover plate 5.Cement slurry sets are waited for as Behavior of Hardened Cement Paste and then dismantle lower plate 1, the first side plate 2, the second side plate
3, the connection between partition board 4 and upper cover plate 5, to take out Behavior of Hardened Cement Paste bending test part.It is this simple in structure, it is easy to operate.
Preferably, as shown in Fig. 2, multiple partition boards 4 can be arranged between the first side plate 2 and the second side plate 3, such as 3,
It 4,5 or more, to form multiple accommodation spaces 6, it is thus possible to which multiple Behavior of Hardened Cement Paste bending test parts are once made, plays
The effect of cost-saving synergistic.
It should be noted that upper cover plate 5 can be overlapped on the first side plate 2, the second side plate 3 and partition board 4.It can also pass through
The opening in accommodation space 6 is arranged in the connection type that threaded connection, clamping etc. are readily disassembled.And this connection type is ability
Field technique personnel are predictable, and details are not described herein.
In the outside of the first groove 11, block 7 is set.Preferably, which is the square body being fixed on lower plate 1.
Block 7 plays the role of limiting the first side plate 2, prevents the first side plate 2 from tilting.
As shown in Fig. 2, being provided on the medial surface of the first side plate 2 and the second side plate 3 and 4 matched second groove of partition board
21, when installing partition board 4, the second groove 21 plays positioning action, facilitates installation.Meanwhile after mounting, second is recessed
Slot 21 plays the role of being clamped partition board 4, improves the connective stability of molding machine 100.In addition, this structure to demould
Dismounting is simpler.
In the outside of the second side plate 3 setting adjustment component 8, for limiting and adjusting the position of the second side plate 3.It is preferred that
Ground, adjustment component 8 include the nut 81 being fixed on lower plate 1 and can be across nut 81 and the bolts 82 coordinated with nut 81.
Preferably, the detachable setting limiting plate 83 on the end face of the free end of the screw rod of bolt 82.The limiting plate 83 increases spiral shell
The contact area of bolt 82 and the second side plate 3 improves the stability of the second side plate 3.Meanwhile it can be adjusted by screwing bolt 82
The position of second side plate, 3 corresponding first side plate 2 so that the second side plate 3 holds out against partition board 4 and the first side plate 2, whole to improve
The stability of body structure.Also, it is this to have the advantages of simple structure and easy realization.It is more convenient in order to operate, it can also be in the spiral shell of bolt 82
Handle 84 is arranged in one end of bolt head.
Lower plate 1 is split structure, including the seperated 12 and second seperated plate 13 of plate of detachable connection first.For example,
First seperated plate, 12 and second seperated plate 13 can be bolted.Also, 12 and second seperated plate 13 of the first seperated plate
Inside of the junction close to the first side plate 2 and positioned at the first side plate 2.During being demoulded, wait for that upper cover plate 5 is removed, and
By the first side plate 2 and the second side plate 3 by being dismantled on lower plate 1 after, the second seperated plate 13 can be torn open from the first seperated plate 12
It unloads down, to expose the lower surface of Behavior of Hardened Cement Paste bending test part, Behavior of Hardened Cement Paste bending test part is carried to convenient.Pass through
This set can ensure that Behavior of Hardened Cement Paste bending test part is successfully demoulded.
Rectilinear setting and the hinged rotary shaft 9 of lower plate 1 on lower plate 1, so that rotary shaft 9 can corresponding bottom
Plate 1 rotates.Preferably, rotary shaft 9 and 1 detachable connection of lower plate.Scraper plate 10 is set in rotary shaft 9.10 energy of scraper plate
It is enough adjustable along the axial position of rotary shaft 9.It is, height of the scraper plate 10 in rotary shaft 9 can be adjusted.For example,
Rotary shaft 9 can be to be threadedly coupled with scraper plate 10, when 10 corresponding rotary shaft 9 of scraper plate rotates, axis of the scraper plate 10 in rotary shaft 9
It moves up.After injecting cement mortar into accommodation space 6, axial position and fixation of the adjustment scraper plate 10 in rotary shaft 9.This
When, the lower face of scraper plate 10 is abutted with the upper surface of the first side plate 2, the second side plate 3 and partition board 4.Drive rotary shaft 9, rotary shaft 9
It drives scraper plate 10 to rotate, then scrapes off the extra cement mortar of prominent accommodation space 6, and the upper surface of cement mortar is struck off.Pass through
This set can guarantee the surface shape of Behavior of Hardened Cement Paste bending test part, to improve test accuracy.It should be noted that both can be with
It drives rotary shaft 9 to rotate by manually mode, rotary shaft 9 can also be driven to rotate by mechanical systems such as motors.
Preferably, lower plate 1, the first side plate 2, the second side plate 3, partition board 4 and upper cover plate 5 can be made of stainless steel.It is logical
It crosses this set and can facilitate and demoulded, and contribute to recycling for molding machine 100.
The method to form Behavior of Hardened Cement Paste bending test part is discussed in detail below according to Fig. 1 and 2.
First, assembled formation device 100 is to form accommodation space 6.Specifically, by the first side plate 2, the second side plate 3 and every
Plate 4 assembles, and the position of the second side plate 3 is adjusted by adjusting component 8, by 4 clamping of partition board.It before this or later, can be
Lubricating oil is coated on the surface contacted with cement mortar on first side plate 2, the second side plate 3, partition board 4 and upper cover plate 5, it is follow-up to facilitate
Demoulding.
Then, cement mortar is injected into accommodation space 6.Such as injection pressure is 0.15 to 0.2 megapascal so that cement mortar is more
Entire accommodation space 6 is filled well, to ensure the quality of the Behavior of Hardened Cement Paste bending test part formed.Meanwhile in the process, may be used also
It is stirred with side and becomes injection.Cement mortar can be further set to be filled into accommodation space 6 in this way.In addition, in order to protect
Filling effect is demonstrate,proved, the volume of the cement mortar injected into accommodation space 6 by way of calculating loading, can also be made to be more than and held
Receive the volume in space 6.Preferably, the volume ratio of the volume Yu accommodation space 6 of the cement mortar of injection is 1.02-1.1, for example, than
It is 1.05.It not only can guarantee that accommodation space 6 was filled full by this set, but also be avoided that the excessive waste of cement mortar.
Then, extra cement mortar is scraped off using scraper plate 10, and makes the upper surface of cement mortar smooth.Again by upper cover plate 5
Lid closes the opening in accommodation space 6.It should be noted that after scraping off extra cement mortar using scraper plate 10, can will revolve
Shaft 9 and scraper plate 10 are removed from lower plate 1 with spare.
It is conserved further more, the molding machine 100 for filling cement mortar is put into water-bath.It specifically, will be in water-bath
Temperature be set as 85-100 degrees Celsius, with to cement mortar carry out different time High Temperature Curing.
Finally, it waits reaching scheduled curing time, molding machine 100 be taken out out of water-bath, and dismantle molding machine
100 to carry out stripping operation, clean each component (lower plate 1, the first side plate 2, the second side plate 3, partition board 4 and upper cover plate 5 etc.) with
Standby next time uses.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts
Disclosed in specific embodiment, but include all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of molding machine of Behavior of Hardened Cement Paste bending test part, which is characterized in that including:
Lower plate,
Rectilinear the first side plate being arranged in the upper surface of the lower plate,
Rectilinear the second side plate being arranged on the upper surface of the lower plate and be spaced apart with the first side plate relative type motor,
It is vertically set on the upper surface of the lower plate and the spaced multiple partition boards of relative type motor, the both ends point of each partition board
Not with first side plate and second side plane contact to form at least one accommodation space with the lower plate,
The upper cover plate closed in the opening of the accommodation space can be covered,
Wherein, the first groove of the lower end for accommodating the first side plate is set on the upper surface of the lower plate.
2. molding machine according to claim 1, which is characterized in that be arranged for limiting in the outside of first groove
The block of first side plate.
3. molding machine according to claim 1 or 2, which is characterized in that in first side plate and second side plate
Medial surface on be provided with and matched second groove of the partition board.
4. the molding machine according to any one of Claim 1-3, which is characterized in that in the outside of second side plate
The adjustment component of position for adjusting the second side plate is set, it is preferable that the adjustment component includes being fixed on the lower plate
On nut and with the nut cooperation bolt.
5. molding machine according to any one of claims 1 to 4, which is characterized in that the lower plate includes detachable
The junction of the first seperated plate of formula connection and the second seperated plate, the described first seperated plate and the second seperated plate is close to described the
Side plate and the inside for being located at first side plate.
6. the molding machine according to any one of claim 1 to 5, which is characterized in that rectilinear on the lower plate
Dismountable rotary shaft is set, and setting can be along the adjustable scraper plate of axial position of the rotary shaft in the rotary shaft.
7. a kind of molding machine of use according to any one of the claims 1 to 6 makes Behavior of Hardened Cement Paste bending test part
Method, which is characterized in that include the following steps:
Step 1 injects cement mortar into accommodation space,
Step 2 closes the upper cover plate lid in the accommodation space,
The molding machine for filling cement mortar is put into water-bath and conserves by step 3,
Step 4 takes out the molding machine out of water-bath and carries out stripping operation.
8. the method according to the description of claim 7 is characterized in that before step 1, in the lower plate, first side
Plate, second side plate, the partition board and the upper cover plate the surface contacted with cement mortar on be coated with lubricating oil.
9. method according to claim 7 or 8, which is characterized in that in step 1, with the pressure of 0.15 to 0.2 megapascal
Cement mortar is injected into the accommodation space.
10. the method according to any one of claim 7 to 9, which is characterized in that in step 1, inject cement mortar
The volume ratio of volume and the accommodation space is 1.02-1.1.
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CN201710284481.7A CN108732003A (en) | 2017-04-25 | 2017-04-25 | A kind of molding machine and method of Behavior of Hardened Cement Paste bending test part |
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