CN113977758A - Semi-automatic hydraulic demoulding device and demoulding method for concrete - Google Patents
Semi-automatic hydraulic demoulding device and demoulding method for concrete Download PDFInfo
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- CN113977758A CN113977758A CN202111337933.6A CN202111337933A CN113977758A CN 113977758 A CN113977758 A CN 113977758A CN 202111337933 A CN202111337933 A CN 202111337933A CN 113977758 A CN113977758 A CN 113977758A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
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Abstract
The invention discloses a semi-automatic hydraulic demoulding device and a demoulding method for concrete. The system appearance mould includes: the three-dimensional symmetrical L-shaped side plates, the central partition plate and the bottom plate; the demolding support comprises: a side wall of the three-dimensional F-shaped groove and a device base; the manual hydraulic vertical jack comprises: precision piston rod, jack pump body, lift fuel tap, lift hand, base, handle pole. During sample preparation, the bottom plate is placed into a sample preparation mold, after pouring and maintenance work are completed, the stripped test mold is embedded into the side wall of the three-dimensional F-shaped groove of the demolding support, then the position of the stripped test mold is adjusted, so that the stripped test mold is positioned right above the jack, and demolding is finally completed by utilizing the handle rod to drive hydraulic pressure up and down. The invention is convenient for demoulding the sample, can effectively reduce the corner damage of the concrete forming sample in the demoulding process, does not need any power supply and is not limited by the use field.
Description
Technical Field
The invention relates to a demoulding device and a demoulding method, in particular to a concrete semi-automatic hydraulic demoulding device and a demoulding method.
Background
In order to test the performance of concrete, a standard test block is usually made from a concrete test mould. At present, concrete test molds comprise two types of steel molds and plastic molds. The concrete steel mould is mostly combined and comprises a bottom template, a side template, a partition plate, a support movable joint bolt, a butterfly nut and other parts. Before the test block is formed, a concrete test mold needs to be assembled. During assembly, the two side templates are vertically placed on the plane of the bottom template relatively, the shafts sleeved on the swing bolts are inserted into the grooves at the two ends of the side templates and are slightly fixed, then the partition plates are inserted into the grooves of the side templates, the two side templates are aligned, the die cavity is guaranteed to be a cube, the butterfly nuts on the shafts are tightened, the upper side surfaces of the plates are tapped by wooden hammers, the lower sides of the plates are arranged on the same plane, and the butterfly nuts on the swing bolts are tightened, so that the lower sides of the plates are guaranteed to be close to the plane of the bottom template. And (4) after the test block is solidified and hardened, removing the mold according to the reverse sequence. The installation and the form removal of the concrete steel form are complicated, the efficiency is low, the influence of human factors of operators is great, and the form test installation precision required by the standard JG237-2008 is difficult to ensure. The plastic mold is mostly made of ABS engineering plastics, the test mold bottom plate is provided with small holes, the air pressure provided by an air pump is needed when the test block is demolded, the test block is impacted through the small holes of the test mold bottom plate, so that the test block is demolded, but slurry is easily leaked from the small holes reserved on the bottom plate, and the size precision and the surface roughness of the test mold required by the standard JG237-2008 can not be ensured. Even if the small holes are made of paper and other spacers, the phenomenon of blockage of the small holes caused by slurry leakage cannot be prevented, so that great time is needed for dredging the small holes during demolding, and the method requires an air pump for demolding, so that the cost is high, and the demolding effect is not smooth. In addition, the existing demoulding device is gradually automated, so that the demoulding cost is inevitably increased. The automatic demolding equipment not only needs to be purchased with large funds, but also has high instrument maintenance cost, high updating and replacing cost, and complicated operation due to the complexity of the automatic equipment, so that the difficulty in popularizing the automatic demolding equipment in China is high.
Disclosure of Invention
The invention aims to provide a sample demoulding device and a demoulding method which are simple in device, simple and convenient in demoulding and extremely low in cost.
The invention is realized by the following technical scheme:
a semi-automatic hydraulic demoulding device and a demoulding method for concrete comprise a sample preparation mould, a demoulding support and a manual hydraulic vertical jack.
The system appearance mould includes: three-dimensional symmetry L type curb plate, central authorities baffle, bottom plate, three-dimensional symmetry L type curb plate constitutes the box structure of cavity formula with central authorities baffle, and both sides curb plate bottom is equipped with right angle type bottom plate and holds up the structure, the long wide size of bottom plate slightly is less than the distance between the board of both sides, holds up the bottom plate by the board of both sides.
The demolding support comprises: the demoulding support is made of high-steel materials when being cast, and the three-dimensional hollow F-shaped groove side wall, the three-dimensional F-shaped groove side wall, the device base and the side wall connecting and fixing plate are cast into a whole.
The manual hydraulic vertical jack comprises: handle pole, base, three-dimensional box little hydro-cylinder, lift hand support, the big hydro-cylinder of cylindricality, lift fuel tap, drive little piston, accurate piston rod, lift hand, spacing screw rod. The base, the three-dimensional box type small oil cylinder, the lifting hand support, the cylindrical large oil cylinder, the lifting oil valve and the driving small piston are made of high-steel materials during casting and are cast into a whole, the base bulge (56) is embedded into the bottom plate slide way (35), so that the manual hydraulic vertical jack is simple and labor-saving in the placing process, can be pushed and pulled transversely, and can be vertically stabilized without changing the position. .
The manual hydraulic vertical jack in the semi-automatic hydraulic demoulding device and the demoulding method for the concrete comprises a limiting screw rod inserted into a limiting hole at the upper end of an upper lifting support; the limiting screw rod is inserted into the upper end connector of the driving small piston to limit the space, and the lifting hand is connected with the driving small piston and the lifting hand support.
A semi-automatic hydraulic demoulding device and a demoulding method for concrete comprise the following steps:
step one, embedding a bottom plate into a box body structure with a hollowed bottom part formed by connecting three-dimensional symmetrical L-shaped side plates with a central partition plate, adjusting the position, and pouring a sample after the position is completely attached;
after pouring and maintenance work are finished, embedding the to-be-demoulded mold into a demoulding support, and adjusting the distance between the to-be-demoulded mold and the side wall of the three-dimensional hollow F-shaped groove and the side wall of the three-dimensional F-shaped groove to enable the to-be-demoulded mold to be attached to a demoulding baffle formed by the side wall of the three-dimensional hollow F-shaped groove and the side wall of the three-dimensional F-shaped groove;
step three, putting the manual hydraulic vertical jack into the slideway to push the manual hydraulic vertical jack into the demolding support under the condition that the handle rod is not installed by using two hands, and then adjusting the position of the to-be-demolded mold to enable the to-be-demolded mold to be positioned right above the jack;
fourthly, the handle rod penetrates through the side wall of the three-dimensional hollow F-shaped groove, is inserted into a lifting hand of the manual hydraulic vertical jack and is screwed tightly;
step five, manually driving the handle rod up and down to enable the precision piston rod to push the demoulded bottom plate to move upwards;
step six, repeatedly executing the step five to enable the sample in the demould cavity to be gradually exposed until the sample is completely demoulded from the demould cavity;
and step seven, rotating the lifting oil valve to enable the precision piston rod to descend, adjusting the position of the sample mold, and repeatedly executing the step five to the step seven to finish demolding all samples.
The invention has the beneficial effects that:
the device can realize rapid demoulding of the concrete sample, and has high demoulding success probability, and is more convenient and reliable. Specifically, compared with the defects of the current concrete sample mold and demolding method, the concrete sample mold and demolding method has the following advantages: firstly, the sample preparation mold and the demolding support are both made of high-steel materials, the sample preparation mold is good in integrity and not prone to deformation, when a sample is separated from a demolding mold, the sample is not prone to causing unfavorable phenomena such as corner missing of the sample, the used mold is easy to clean, and the use efficiency is high; secondly, in the use of the device, no electric equipment is needed, no energy is consumed, and the device is safe and environment-friendly. Generally speaking, the device can save time and labor in the demoulding process of the concrete sample, has high reliability and high utilization rate of the test mould, is convenient for manual operation and is small in limitation of field use.
Drawings
FIG. 1 is a schematic view of the overall construction of a demolding device;
FIG. 2 is a schematic view of a stripper shoe construction;
FIG. 3 is a schematic structural diagram of a manual hydraulic vertical jack;
FIG. 4 is a schematic view of a sample preparation mold;
FIG. 5 is a schematic cross-sectional view of a sample preparation mold;
FIG. 6 is a schematic view of a sample preparation mold base plate;
in the figure: 11-a three-dimensional symmetrical L-shaped side plate; 12-a central partition; 2-a bottom plate; 31-a three-dimensional hollow F-shaped groove sidewall; 32-a three-dimensional F-shaped groove sidewall; 33-a device base; 34-the side wall is connected with a fixed plate; 4-handle bar, 51-base, 52-stereo box type small oil cylinder, 53-lifting hand support, 54-column type large oil cylinder, 55-lifting oil valve, 6-driving small piston, 7-precision piston rod, 8-lifting hand, 9-1-limit screw and 9-2-limit screw.
Detailed Description
The invention will be further described in detail and fully with reference to the accompanying drawings and detailed description. All other embodiments, which can be derived by a person skilled in the art from the description of the invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1-6, the invention relates to a semi-automatic hydraulic demoulding device and a demoulding method for concrete. The system appearance mould includes: the three-dimensional symmetrical L-shaped side plate (11), the central partition plate (12) and the bottom plate (2); the demolding support comprises: a three-dimensional hollow F-shaped groove side wall (31), a three-dimensional F-shaped groove side wall (32), a device base (33) and a side wall connecting fixing plate (34); the manual hydraulic vertical jack comprises a handle rod (4), a base (51), a three-dimensional box type small oil cylinder (52), a hand lifting support (53), a cylindrical large oil cylinder (54), a lifting oil valve (55), a small driving piston (6), a precise piston rod (7), a hand lifting (8) and limiting screws (9-1 and 9-2).
Three-dimensional symmetry L type curb plate (11) are connected with central baffle (12) and constitute the box structure of a bottom fretwork, and the two wall curb plate corners of L type of bottom half are equipped with the bottom plate support of right angle type, bottom plate (2) size slightly is less than the distance between the L type curb plate (11) of bilateral symmetry, bottom plate (2) are connected through the overlap joint with the box structure of the bottom fretwork that three-dimensional symmetry L type curb plate (11) two walls, central baffle (12) constitute jointly bottom plate (2) adjusting position promptly adjusts the relative distance of bottom plate (2) and two walls of three-dimensional symmetry L type curb plate (11), adjusts suitable back, and bottom plate (2) slowly put into the box structure, holds the bottom plate through the outstanding structure in two wall bottom.
The limiting screw (9-1) is inserted into the upper end connector limiting hole of the lifting bracket (53); the limit screw (9-2) is inserted into the upper end connector limit air of the driving small piston (6) to connect the lifting hand (8) with the driving small piston (6) and the lifting hand bracket (53).
A concrete semi-automatic hydraulic demoulding device and a demoulding method comprise the following steps:
step one, embedding a bottom plate into a box body structure with a hollowed bottom part formed by connecting three-dimensional symmetrical L-shaped side plates with a central partition plate, adjusting the position, and pouring a sample after the position is completely attached;
after pouring and maintenance work are finished, embedding the to-be-demoulded mold into a demoulding support, and adjusting the distance between the to-be-demoulded mold and the side wall of the three-dimensional hollow F-shaped groove and the side wall of the three-dimensional F-shaped groove to enable the to-be-demoulded mold to be attached to a demoulding baffle formed by the side wall of the three-dimensional hollow F-shaped groove and the side wall of the three-dimensional F-shaped groove;
step three, putting the manual hydraulic vertical jack into the slideway to push the manual hydraulic vertical jack into the demolding support under the condition that the handle rod is not installed by using two hands, and then adjusting the position of the to-be-demolded mold to enable the to-be-demolded mold to be positioned right above the jack;
fourthly, the handle rod penetrates through the side wall of the three-dimensional hollow F-shaped groove, is inserted into a lifting hand of the manual hydraulic vertical jack and is screwed tightly;
step five, manually driving the handle rod up and down to enable the precision piston rod to push the demoulded bottom plate to move upwards;
step six, repeatedly executing the step five to enable the sample in the demould cavity to be gradually exposed until the sample is completely demoulded from the demould cavity;
and step seven, rotating the lifting oil valve to enable the precision piston rod to descend, adjusting the position of the sample mold, and repeatedly executing the step five to the step seven to finish demolding all samples.
The invention provides a semi-automatic hydraulic demoulding device and a demoulding method for concrete. This kind of mode can enough make test piece and examination mould break away from convenient and fast ground, can not cause very big damage to the test piece again, and it is little that the use receives the place restriction, makes things convenient for artifical drawing of patterns, improves examination mould rate of utilization.
Claims (9)
1. A concrete semi-automatic hydraulic demoulding device and a demoulding method are characterized in that: comprises a sample preparation mould, a demoulding support and a manual hydraulic vertical jack. The system appearance mould includes: the three-dimensional symmetrical L-shaped side plate (11), the central partition plate (12) and the bottom plate (2); the demolding support comprises: a three-dimensional hollow F-shaped groove side wall (31), a three-dimensional F-shaped groove side wall (32), a device base (33), a side wall connecting fixing plate (34) and a bottom plate slideway (35); the manual hydraulic vertical jack comprises a handle rod (4), a jack base (51), a three-dimensional box-type small oil cylinder (52), a lifting hand support (53), a cylindrical large oil cylinder (54), a lifting oil valve (55), a base bulge (56), a driving small piston (6), a precise piston rod (71), a piston rod top plate (72), a lifting hand (8) and limit screws (91 and 92).
2. The semi-automatic hydraulic concrete demolding device as claimed in claim 1, wherein: three-dimensional symmetry L type curb plate (11) are connected with central baffle (12) and constitute the box structure of a bottom fretwork formula, and the L type both walls curb plate corner of bottom half is equipped with the bottom plate support of right angle type, bottom plate (2) size slightly is less than the distance between the L type curb plate (11) of bilateral symmetry, bottom plate (2) are connected through the overlap joint with the box structure of the bottom fretwork that three-dimensional symmetry L type curb plate (11) two walls, central baffle (12) constitute jointly bottom plate (2) adjustment position, adjust the relative distance of bottom plate (2) and two walls of three-dimensional symmetry L type curb plate (11) promptly, adjust suitable back, during the box structure is slowly put into to bottom plate (2), hold the bottom plate through the structure of two wall bottom portion salients.
3. The semi-automatic hydraulic concrete demolding device as claimed in claim 1, wherein: the three-dimensional symmetrical L-shaped side plates (11), the central partition plate (12) and the bottom plate (2) are all made of high-steel materials through casting, and the three-dimensional symmetrical L-shaped side plates (11) and the central partition plate (12) are cast into a whole.
4. The semi-automatic hydraulic concrete demolding device as claimed in claim 1, wherein: and the inner surfaces of the box-shaped structures in contact with the sample in the three-dimensional symmetrical L-shaped side plates (11), the central partition plate (12) and the bottom plate (2) are respectively covered with an anti-sticking layer with smaller friction force.
5. The semi-automatic hydraulic concrete demolding device as claimed in claim 1, wherein: the three-dimensional hollow F-shaped groove side wall (31), the three-dimensional F-shaped groove side wall (32), the device base (33) and the side wall connecting and fixing plate (34) are made of high-steel materials and are cast into a whole.
6. The semi-automatic hydraulic demoulding device for concrete according to claim 1, wherein the manual hydraulic vertical jack is characterized in that: the lifting jack is characterized in that a jack base (51), a three-dimensional box type small oil cylinder (52), a lifting support (53), a cylindrical large oil cylinder (54), a lifting oil valve (55) and a driving small piston (6) are cast into a whole by adopting a high steel material when being cast, and a base bulge (56) is embedded into a bottom plate slideway (35), so that the manual hydraulic vertical jack is simple and labor-saving in the placing process, can be transversely pushed and pulled, and can vertically stabilize the position of the vertical hydraulic vertical jack.
7. The semi-automatic hydraulic concrete demolding device as claimed in claim 1, wherein: and the precise piston rod (71) and the piston rod top plate (72) are cast by adopting high-steel materials and are cast into a whole.
8. The semi-automatic hydraulic demoulding device and the demoulding method for concrete according to claim 1, wherein: the limiting screw (91) is inserted into the upper end connector limiting hole of the lifting hand bracket (53); the limit screw (92) is inserted into the upper end connector limit air of the driving small piston (6) to connect the lifting hand (8) with the driving small piston (6) and the lifting hand support (53).
9. The semi-automatic hydraulic demoulding device and the demoulding method for concrete according to claim 1, characterized by comprising the following steps:
step one, embedding a bottom plate (2) into a box body structure with a hollowed bottom, which is formed by connecting a three-dimensional symmetrical L-shaped side plate (11) with a central partition plate (12), adjusting the position, and pouring a sample after the position is completely attached;
step two, after pouring and maintenance work are finished, embedding the demoulded mold into the demould support seat of claim 1, and adjusting the distance between the demoulded mold and the side wall (31) and the side wall (32) of the three-dimensional hollow F-shaped groove to enable the demoulded mold to be attached to a demould baffle formed by the side wall (31) and the side wall (32) of the three-dimensional hollow F-shaped groove;
step three, putting the manual hydraulic vertical jack of claim 1 into a demolding support under the condition that a handle rod (4) is not installed by using two hands, embedding a base bulge (56) into a bottom plate slideway (35), and then adjusting the position of a to-be-demolded mold to enable the to-be-demolded mold to be positioned right above a top plate (72) of a piston rod of the jack;
fourthly, the handle rod (4) of claim 1 is inserted into the lifting hand (8) of the manual hydraulic vertical jack through the side wall (31) of the three-dimensional hollow F-shaped groove and is screwed tightly;
step five, manually driving the handle rod up and down to enable the piston rod (72) to push the bottom plate of the demoulded mould to move upwards;
step six, repeatedly executing the step five to enable the sample in the demould cavity to be gradually exposed until the sample is completely demoulded from the demould cavity;
and seventhly, rotating the lifting oil valve (55) according to claim 1 to enable the precision piston rod (71) and the piston rod top plate (72) to descend, adjusting the position of the sample mold, and repeatedly executing the fifth step to the seventh step to finish demolding all samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337933.6A CN113977758A (en) | 2021-11-12 | 2021-11-12 | Semi-automatic hydraulic demoulding device and demoulding method for concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111337933.6A CN113977758A (en) | 2021-11-12 | 2021-11-12 | Semi-automatic hydraulic demoulding device and demoulding method for concrete |
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| CN113977758A true CN113977758A (en) | 2022-01-28 |
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| CN202111337933.6A Pending CN113977758A (en) | 2021-11-12 | 2021-11-12 | Semi-automatic hydraulic demoulding device and demoulding method for concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014917A (en) * | 2022-06-10 | 2022-09-06 | 西南交通大学 | Device for preparing mortar test piece containing preset cracks and using method thereof |
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2021
- 2021-11-12 CN CN202111337933.6A patent/CN113977758A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014917A (en) * | 2022-06-10 | 2022-09-06 | 西南交通大学 | Device for preparing mortar test piece containing preset cracks and using method thereof |
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