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 PDF

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Publication number
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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CN
China
Prior art keywords
plate
side plate
molding machine
lower plate
accommodation space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710284481.7A
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Chinese (zh)
Inventor
刘飞
刘学鹏
周仕明
杨红岐
魏浩光
张林海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering
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China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering
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Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Research Institute of Petroleum Engineering filed Critical China Petroleum and Chemical Corp
Priority to CN201710284481.7A priority Critical patent/CN108732003A/en
Publication of CN108732003A publication Critical patent/CN108732003A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36Embedding or analogous mounting of samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36Embedding or analogous mounting of samples
    • G01N2001/366Moulds; 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

A kind of molding machine and method of Behavior of Hardened Cement Paste bending test part
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.
CN201710284481.7A 2017-04-25 2017-04-25 A kind of molding machine and method of Behavior of Hardened Cement Paste bending test part Pending CN108732003A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040010480A (en) * 2003-12-26 2004-01-31 (유)대광레미콘 method of concrete compression capping
CN203019500U (en) * 2013-01-16 2013-06-26 中铁十七局集团第三工程有限公司 Heightening mold for manufacturing cement mortar test block
CN203136996U (en) * 2013-03-25 2013-08-21 邱志献 Granular material and flow material mixed forming device
CN103408263A (en) * 2013-09-02 2013-11-27 山东理工大学 Preparation method for preparing low-density bond cement check block for oil well by microcrystal glass beads
CN203860334U (en) * 2014-05-26 2014-10-08 常州阿特弥斯电子有限公司 Fully-automatic pancake frying machine
CN204302074U (en) * 2014-12-24 2015-04-29 美巢集团股份公司 The die trial of thin layer Mortar shrinkage test specimen
CN204594774U (en) * 2015-05-27 2015-08-26 四川省建筑科学研究院 A kind of reinforcing polymer mortar cohesive strength test samples prepares mould
CN204748375U (en) * 2015-07-07 2015-11-11 东莞市金利威磨料磨具有限公司 Three swords combination scraper
CN105651576A (en) * 2016-01-19 2016-06-08 东南大学 Multifunctional trapezoidal occlusion cement mortar test mould
CN107498682A (en) * 2017-09-25 2017-12-22 湖州南浔金迎门门业有限公司 A kind of plane machining processing equipment of oriented wood chipboard

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040010480A (en) * 2003-12-26 2004-01-31 (유)대광레미콘 method of concrete compression capping
CN203019500U (en) * 2013-01-16 2013-06-26 中铁十七局集团第三工程有限公司 Heightening mold for manufacturing cement mortar test block
CN203136996U (en) * 2013-03-25 2013-08-21 邱志献 Granular material and flow material mixed forming device
CN103408263A (en) * 2013-09-02 2013-11-27 山东理工大学 Preparation method for preparing low-density bond cement check block for oil well by microcrystal glass beads
CN203860334U (en) * 2014-05-26 2014-10-08 常州阿特弥斯电子有限公司 Fully-automatic pancake frying machine
CN204302074U (en) * 2014-12-24 2015-04-29 美巢集团股份公司 The die trial of thin layer Mortar shrinkage test specimen
CN204594774U (en) * 2015-05-27 2015-08-26 四川省建筑科学研究院 A kind of reinforcing polymer mortar cohesive strength test samples prepares mould
CN204748375U (en) * 2015-07-07 2015-11-11 东莞市金利威磨料磨具有限公司 Three swords combination scraper
CN105651576A (en) * 2016-01-19 2016-06-08 东南大学 Multifunctional trapezoidal occlusion cement mortar test mould
CN107498682A (en) * 2017-09-25 2017-12-22 湖州南浔金迎门门业有限公司 A kind of plane machining processing equipment of oriented wood chipboard

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
中华人民共和国国家发展和改革委员会: "《中华人民共和国建材行业标准JC/T 726-2005:水泥胶砂试模》", 14 February 2005 *
国家质量技术监督局: "《中华人民共和国国家标准GB/T 17671-1999:水泥胶砂强度检验方法》", 1 May 1999 *
魏秀君等: "《混凝土强度预测与推定》", 30 November 2007 *

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