CN212083031U - Can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns - Google Patents
Can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns Download PDFInfo
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- CN212083031U CN212083031U CN201921147847.7U CN201921147847U CN212083031U CN 212083031 U CN212083031 U CN 212083031U CN 201921147847 U CN201921147847 U CN 201921147847U CN 212083031 U CN212083031 U CN 212083031U
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- reinforcing bar
- test block
- standard test
- cylinder
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 229920003023 plastic Polymers 0.000 title claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns, including a U type body, two reinforcing bar location curb plates, PVC pipe, two plastics stopper, the U type body includes a bottom plate, bottom plate left side and right side all have the curb plate through hinged joint, the bottom plate of the U type body about, curb plate and front and back two reinforcing bar location curb plates twist stainless steel rubber head bolted connection and unsmooth agreeing with structural connection through the hand and constitute the examination mould of pouring and having bonding reinforcing bar standard test block. The steel bar positioning side plate is provided with a prefabricated round hole in the center, and a cylinder with a bolt hole in the circumferential direction is arranged on the periphery of the round hole. The stainless steel rubber head bolt sequentially passes through the cylinder and the bolt hole on the PVC pipe until the steel bar is tightly propped. The mold is easy to assemble, disassemble and demold by manually screwing the stainless steel rubber head bolt, can be repeatedly used, can also ensure the accurate bonding length of the reinforcing steel bar during vibration, and can pour common standard test blocks through the plastic plugs, thereby improving the utilization rate of the test blocks.
Description
Technical Field
The utility model relates to a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns.
Background
The change of the bonding property of the reinforcing steel bar and various building materials under various environmental effects is always a research hotspot in the field of civil engineering, so that a test block for pouring the bonding reinforcing steel bar is a necessary ring. At present, most laboratories use disposable wood open-cell molds, disposable open-cell plastic molds or heavy open-cell steel molds, and use PVC pipe to manufacture the non-bonded areas of the steel reinforcement. When the number of test blocks required by the experiment is large, great waste is caused, and the form removal also takes time and labor. Moreover, the moulds can only be used for pouring standard test blocks with bonded steel bars, and the functions are single. The bigger defect of these moulds that use at present can't guarantee to retrain the relative displacement between mould, PVC pipe and the reinforcing bar three well at the test block vibration in-process, often can cause reinforcing bar bonding length to change and the reinforcing bar skew axle center position at the vibration in-process for subsequent experimental study receives the influence.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns is proposed. The problem of the waste of expenditure that uses disposable wood system mould or disposable trompil plastic mold to bring can be solved to this mould, overcomes simultaneously and makes the bonding length of prescribing in advance change at the relative displacement that produces between test block vibration in-process mould, PVC pipe and the reinforcing bar three, and then leads to the problem that follow-up experiment can't accurately develop to it is troublesome and the mould can only be used for pouring the function singleness problem of bonding reinforcing bar test block to have solved the form removal.
The utility model provides a can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns, includes a U type body, two reinforcing bar location curb plates, PVC pipe, two plastic plugs, stainless steel rubber head bolt, the U type body includes a bottom plate, there is the curb plate bottom plate left side and right side all through hinged joint, the bottom plate of the U type body about, curb plate and two reinforcing bar location curb plates around with twist stainless steel rubber head bolt and the unsmooth structure of agreeing with of cylinder through the hand and connect the constitution and pour the test mould that has bonding reinforcing bar standard test block.
The center of each of the two steel bar positioning side plates is provided with a prefabricated round hole, and the periphery of the prefabricated round hole is provided with a cylinder; an annular region is formed between the preformed circular hole and the cylinder.
The detachable demould standard test block plastic mould capable of accurately positioning the bonding steel bars is characterized in that three bolt holes which form an angle of 120 degrees with each other are arranged on the cylinder in the circumferential direction.
The standard test block plastic mold capable of disassembling the demolding and accurately positioning the bonding reinforcing steel bars is located a cylindrical concave hole and two bolt holes are formed in the front side face and the rear side face of the bottom plate, and a cylindrical concave hole and a bolt hole are formed in the front end face and the rear end face of the left side plate and the right side plate.
The standard test block plastic mold of the accurate positioning bonding reinforcing bar of the dismantled drawing of patterns, two reinforcing bar location curb plates be equipped with four with the bolt hole and the three that the U type body bolt hole aligns with the cylinder arch that the U type body cylinder shrinkage pool aligns.
The standard test block plastic mold capable of disassembling the demolding and accurately positioning the bonding steel bar is characterized in that the outer diameter of the PVC pipe is equal to the diameter of the prefabricated round hole, and three bolt holes aligned with the bolt holes in the cylinder are formed in one end of the PVC pipe.
The standard test block plastic mold capable of disassembling the demolding and accurately positioning the bonding steel bars is characterized in that the hinge comprises a rotating shaft penetrating through the bottom plate and the left side plate and the right side plate of the bottom plate, and the side plates are provided with through holes allowing the rotating shaft to pass through.
The detachable demoulding type standard test block plastic mould for accurately positioning the bonded steel bars can be used for pouring the bonded steel bar standard test blocks with various diameters.
The standard test block plastic mold capable of disassembling the mold and accurately positioning the bonded steel bars is characterized in that the plastic plug is annularly provided with three bolt holes aligned with the bolt holes in the cylinder, and the plastic plug is used for pouring the standard test block without the bonded steel bars.
The standard test block plastic mold capable of being disassembled and demoulded and accurately positioning the bonding steel bars comprises the following working steps:
(1) the bottom plate, the left side plate and the right side plate are connected into a U-shaped body through a rotating shaft, the two side plates are rotated to a position vertical to the bottom plate, the front reinforcing steel bar positioning side plate and the rear reinforcing steel bar positioning side plate are connected with the U-shaped body through a concave-convex fit structure, and then the front reinforcing steel bar positioning side plate and the U-shaped body are connected through hand-screwing stainless steel rubber head bolts in a reinforcing mode to;
(2) penetrating a PVC pipe through a prefabricated round hole of a front side steel bar positioning template, and aligning bolt holes in the pipe with bolt holes in a cylinder;
(3) manually screwing a stainless steel rubber head bolt to sequentially penetrate through the cylinder and the PVC pipe until the end part of the bolt is tightly abutted against the steel bar penetrating through the positioning round hole, and filling and compacting gaps between the steel bar positioned at the inner side of the mould and the PVC pipe and between the steel bar and the rear steel bar positioning side plate by paraffin;
(4) and (3) coating a release agent on the inner side of the mould, pouring, screwing a stainless steel rubber head bolt to remove the front and rear steel bar positioning templates after maintenance is finished, and unfolding the U-shaped body to finish form removal.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model relates to a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns can retrain the relative displacement between mould, PVC pipe and the reinforcing bar three when vibrating well, with the accurate definite test piece center that is located of reinforcing bar to can ensure that the bonding length of reinforcing bar keeps unchangeable, improve the accuracy of follow-up experiment.
(2) The utility model relates to a can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns can twist stainless steel rubber head bolt fastening plastics stopper through the hand and fill the space, carries out pouring of ordinary standard cube test block, solves the defect problem of trompil mould function unicity.
(3) The utility model relates to a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns has given up the gas pocket structure of traditional mould, can directly twist the manual form removal of stainless steel rubber head bolt through the hand in test piece maintenance department, has saved the trouble of carrying to inflator pump department with air gun form removal, brings very big facility for form removal.
(4) The utility model relates to a can dismantle standard test block plastic mold repeatedly usable of accurate location bonding reinforcing bar of drawing of patterns uses disposable wood system trompil mould or the extravagant and the waste and the environmental protection problem of cost of the material that disposable trompil plastic mold caused when avoiding pouring a large amount of test blocks.
Drawings
FIG. 1 is a schematic view of a plastic mold for molding a standard test block with pre-embedded bonding steel bars;
FIG. 2 is a schematic view of the exploded configuration of FIG. 1;
FIG. 3 is an exploded view of the hinge;
FIG. 4 is a schematic view of an exploded structure of a cylindrical concave-convex fitting structure;
FIG. 5 is a schematic view of a plastic mold for molding a common standard test block without pre-embedded bonding steel bars;
FIG. 6 is a schematic view of the exploded configuration of FIG. 5;
in the figure: 1-bottom plate, 2-left and right side plates, 3-hinge, 301-rotating shaft, 302-through hole, 4-cylindrical concave-convex fitting structure, 401-cylindrical protrusion, 402-cylindrical concave hole, 5-front and rear steel bar positioning side plates, and 6-hand-screwed stainless steel rubber head bolt; 7-PVC pipe; 8-cylinder; 9-reinforcing steel bar and 10-plastic plug.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The utility model provides a can dismantle standard test block plastic mold of accurate positioning bonding reinforcing bar of drawing of patterns, the specification of the standard test block that has accurate positioning bonding reinforcing bar that embodiment 1 poured is: 150mm by 150 mm.
The steps of the standard test block with the accurately positioned bonding steel bars poured in the embodiment 1 are as follows:
(1) connecting a bottom plate (1) and a left side plate and a right side plate (2) into a U-shaped body through a hinge (3), rotating the two side plates (2) to a position vertical to the bottom plate (1), connecting a front reinforcing steel bar positioning side plate (5) and a rear reinforcing steel bar positioning side plate (5)) with the U-shaped body through a cylindrical concave-convex fit structure (4), and then screwing a stainless steel rubber head bolt (6) by hand for reinforcement connection to form a pouring test mold;
(2) a proper PVC pipe (7) determined according to the bonding length penetrates through the equal-diameter prefabricated round holes, then a steel bar is inserted into the front prefabricated round holes and the rear prefabricated round holes, a stainless steel rubber head bolt (6) is screwed by hand and sequentially penetrates through a cylinder (8) and a PVC pipe (7) bolt hole until the steel bar (9) is tightly abutted, and the die, the PVC pipe (7) and the steel bar (9) are fixed into a whole;
(3) filling and compacting a gap between the PVC pipe (7) and the steel bar (9) in the pouring area and a gap between the steel bar (9) and the rear side steel bar positioning side plate (5) by using paraffin, and coating a mold with a mold release agent.
(4) And (3) maintaining the test block after pouring and vibrating the test block, and manually removing the die by screwing the stainless steel butterfly bolt (5) by hand after the specified maintenance time is reached.
Example 2 the specification of a common standard cubic test block of non-bonded steel bars poured is: 150mm by 150 mm.
The steps of the ordinary standard cube test block of the non-binding steel bar poured in the embodiment 2 are as follows:
(1) the bottom plate (1) and the left and right side plates (2) are connected into a U-shaped body through hinges (3), the two side plates (2) are rotated to a position vertical to the bottom plate (1), a front reinforcing steel bar positioning side plate (5) and a rear reinforcing steel bar positioning side plate (5) are connected with the U-shaped body through a cylindrical concave-convex fit structure (4), and then the reinforcing connection is realized through manually screwing stainless steel rubber head bolts (6);
(2) the cylinders (8) of the front and rear reinforcing steel bar positioning side plates (5) and the inner gaps of the prefabricated round holes are respectively filled with two plastic plugs (10), and stainless steel rubber head bolts (6) are screwed by hands and enter the corresponding bolt holes of the plastic plugs (10) through the cylinders (8), so that the purpose of fixing the plastic plugs is achieved, and a pouring test mold is formed;
(3) coating a mold with a release agent;
(4) and (3) maintaining the test block after pouring and vibrating the test block, and manually removing the die by screwing the stainless steel rubber head bolt (6) by hand after the specified maintenance time is reached.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the present invention as defined in the appended claims if they do not depart from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns, includes a U type body, two reinforcing bar location curb plates, a PVC pipe, two plastic plugs, stainless steel rubber head bolt, the U type body includes a bottom plate, there is the curb plate bottom plate left surface and right flank all through hinged joint, the bottom plate of the U type body about, curb plate and front and back two reinforcing bar location curb plates pass through the hand and twist stainless steel rubber head bolt and the unsmooth structure of agreeing with of cylinder and connect, constitute and pour the test mould that has bonding reinforcing bar standard test block.
2. A plastic mold as recited in claim 1, wherein: a prefabricated round hole is formed in the center of each of the two steel bar positioning side plates, and a cylinder is arranged on the periphery of the prefabricated round hole; an annular region is formed between the preformed circular hole and the cylinder.
3. A plastic mould according to claim 2, characterized in that: the cylinder is provided with three bolt holes which mutually form an angle of 120 degrees along the circumferential direction.
4. A plastic mold as recited in claim 1, wherein: and the side surfaces of the front side and the rear side of the bottom plate are provided with a cylindrical concave hole and two bolt holes, and the front end surface and the rear end surface of the left side plate and the right side plate are provided with a cylindrical concave hole and a bolt hole.
5. A plastic mold as recited in claim 1, wherein: two reinforcing bar location curb plates be equipped with four with the bolt hole that U type body bolt hole aligns and three with the cylinder arch that U type body cylinder shrinkage pool aligns.
6. A plastics tool according to claim 2, wherein the circular preformed hole is provided with a PVC pipe inside, the PVC pipe having an external diameter equal to the diameter of the circular preformed hole, and the end of the PVC pipe having three bolt holes aligned with the bolt holes in the cylinder.
7. The plastic mold as claimed in claim 1, wherein the plastic plug is provided with three bolt holes at 120 ° to each other in a circumferential direction, and is used for casting a standard test block of unbonded steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147847.7U CN212083031U (en) | 2019-07-14 | 2019-07-14 | Can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921147847.7U CN212083031U (en) | 2019-07-14 | 2019-07-14 | Can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212083031U true CN212083031U (en) | 2020-12-04 |
Family
ID=73556561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921147847.7U Expired - Fee Related CN212083031U (en) | 2019-07-14 | 2019-07-14 | Can dismantle standard test block plastic mold of accurate location bonding reinforcing bar of drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212083031U (en) |
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2019
- 2019-07-14 CN CN201921147847.7U patent/CN212083031U/en not_active Expired - Fee Related
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| 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: 20201204 |