CN210953587U - Marshall test piece shedder - Google Patents
Marshall test piece shedder Download PDFInfo
- Publication number
- CN210953587U CN210953587U CN201921837800.3U CN201921837800U CN210953587U CN 210953587 U CN210953587 U CN 210953587U CN 201921837800 U CN201921837800 U CN 201921837800U CN 210953587 U CN210953587 U CN 210953587U
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- sleeve
- test piece
- marshall
- marshall test
- gear
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Abstract
The utility model relates to a marshall test piece shedder, including the thrustor mechanism that sets up from top to bottom and bear the mechanism, the thrustor mechanism is installed on the support body of fixed setting, including actuating mechanism, actuating mechanism is connected with a plurality of top barrels, and actuating mechanism can drive the top barrel and be the up-and-down motion, bear the mechanism including the disc that is used for supporting marshall test piece mould, the disc is fixed on the workstation, the disc is provided with a plurality of openings with the coaxial setting of top barrel, the opening is provided with the first sleeve with disc fixed connection, first sleeve and the coaxial setting of top barrel can insert marshall test piece mould in the first sleeve, and the outer peripheral face of marshall test piece mould can be laminated to first sleeve medial surface, the utility model discloses a shedder uses labour saving and time saving, and the security is good, has improved work efficiency.
Description
Technical Field
The utility model relates to a marshall test equipment technical field, concretely relates to marshall test piece shedder.
Background
The asphalt mixture is a generic name of a mixture formed by mixing mineral aggregate and asphalt binder, and is widely applied to the field of road engineering. In a road construction site and an asphalt laboratory, a marshall test piece is a common test piece for performing an asphalt mixture mechanical property test.
At present, the Marshall test piece demoulding device has two types of electric demoulding devices and hydraulic demoulding devices, and the inventor finds that the electric demoulding device is large in size, inconvenient to transport and dangerous to operate; the hydraulic stripper needs to be aligned when placing a test piece, is not easy to align when the test piece is inclined, and is long in alignment time, so that the test progress is influenced. In the demolding process, the Marshall test pieces need to be demolded one by one, and the demolding time is long. And current marshall shedder can only carry out the drawing of patterns to the marshall test piece of a size, and the drawing of patterns of different size marshall test pieces need be equipped with different shedder, very big increase experimental cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies of the prior art, providing a marshall shedder, convenient to use, labour saving and time saving, very big improvement experiment efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a marshall test piece shedder, includes the top pushing mechanism that sets up from top to bottom and bears the weight of the mechanism, top pushing mechanism installs on the fixed support body that sets up, including actuating mechanism, actuating mechanism is connected with a plurality of knock-out drums, and actuating mechanism can drive the knock-out drum and be the up-and-down motion, bear the weight of the mechanism including the disc that is used for supporting the marshall test piece mould, the disc is fixed on the workstation, the disc is provided with a plurality of openings with the coaxial setting of knock-out drum, the opening is provided with the first sleeve with disc fixed connection, first sleeve and the coaxial setting of knock-out drum can insert the marshall test piece mould in the first sleeve, and the outer peripheral face of marshall test piece mould can be laminated to the first sleeve medial surface for fix a position the marshall test piece mould, and knock-out drum downstream can release the marshall test piece.
Further, actuating mechanism sets up and intermeshing's first gear and second gear from top to bottom, first gear and second gear rotate with the support body and are connected, and the eccentric position department of first gear is articulated with first connecting rod one end, and the other end of first connecting rod is articulated with second connecting rod one end, and the other end of second connecting rod articulates the eccentric position department at the second gear, the hinged end tip of first connecting rod and second connecting rod is articulated with the one end of third connecting rod, and the other end of third connecting rod is articulated with the one end of ejector pin, and the ejector pin passes the guide, and the other end is connected with the mounting, mounting and a plurality of top tubes fixed connection.
Furthermore, a handle is arranged on the first gear and can drive the first gear to rotate.
Further, the mounting is the fixed disk, the upper surface and the ejector pin fixed connection of fixed disk, the lower fixed surface has a plurality of top tubes.
Further, a top plate is fixed at the bottom end of the top cylinder, and the top cylinder can push the Marshall test piece through the top plate.
Further, marshall test piece shedder still includes the second sleeve, the second sleeve includes first section of thick bamboo and second section of thick bamboo, first section of thick bamboo external diameter equals first sleeve internal diameter, and second section of thick bamboo external diameter is greater than first sleeve internal diameter, and first section of thick bamboo can insert first sleeve, and second section of thick bamboo is placed on first telescopic top surface.
Furthermore, a baffle is arranged in the opening, the diameter of the baffle is equal to that of the opening, and the outer edge of the baffle can be tightly attached to the surface of the opening.
Furthermore, a plurality of supporting columns are fixed on the bottom surface of the disc and are fixed on the workbench.
The utility model has the advantages that:
1. the utility model discloses a shedder has a plurality of top sections of thick bamboo, can carry out the drawing of patterns to a plurality of marshall test pieces simultaneously, and first sleeve, opening in the coaxial setting of top section of thick bamboo, have saved centering work, drawing of patterns work labour saving and time saving, and is efficient.
2. The utility model discloses a shedder, actuating mechanism adopt first gear, second gear and a plurality of connecting rod, adopt manual drive, do not use motor drive, and the security is good, and small, convenient transportation.
3. The utility model discloses a shedder, opening part are provided with the baffle, and the open-ended face setting is hugged closely to the baffle, can produce certain frictional force with the open-ended face, can avoid the marshall test piece to release after dropping fast, has prevented the damage of marshall test piece.
4. The utility model discloses a shedder has the second sleeve, and the second sleeve can be inserted on first sleeve, has satisfied the drawing of patterns demand of unidimensional marshall test piece, has realized on the same shedder to the drawing of patterns demand of unidimensional marshall test piece, very big reduction experimental facilities cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic front view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic side view of a driving mechanism according to embodiment 1 of the present invention;
fig. 3 is a schematic top view of a bearing mechanism according to embodiment 1 of the present invention;
fig. 4 is a schematic front view of a second sleeve according to embodiment 1 of the present invention;
fig. 5 is a schematic top view of a second sleeve according to embodiment 1 of the present invention;
the device comprises a base, a first gear, a second gear, a first gear shaft, a second gear shaft, a gear shaft support, a frame body, a handle, a first connecting rod, a second connecting rod, a push rod, a guide piece, a fixed disc, a top cylinder, a top plate, a disc, a first sleeve, a baffle, a first cylinder section, a second cylinder section, a pillar, a third connecting rod and a Marshall test piece mold, wherein the first gear 1, the second gear 2, the first gear shaft 3, the second gear shaft 4, the gear shaft support 5, the frame body 6, the handle 7, the first connecting rod 8, the second.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper" and "lower" in the present application, if any, are used only in a manner consistent with the upper and lower directions of the drawings themselves, and not for structural limitation, but merely for convenience of description and simplified description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention, and the terms "first", "second", and "third" are used merely for descriptive purposes and are not intended to indicate or imply relative importance.
As introduced by the background art, the prior Marshall demoulding device wastes time and labor when in use, has poor safety, and aims to solve the problems.
In example 1, which is a typical embodiment of the present application, as shown in fig. 1 to 5, a marshall test piece demolding device includes a pushing mechanism and a bearing mechanism, which are vertically disposed, the pushing mechanism is fixed on a frame body, the bearing mechanism is fixed on a workbench, and the frame body is also fixed on the workbench.
The pushing mechanism comprises a driving mechanism, the driving mechanism is fixedly connected with the multiple top cylinders through fixing pieces, and the driving mechanism can drive the top cylinders to move up and down.
The driving mechanism comprises a first gear 1 and a second gear 2 which are vertically distributed and are meshed with each other, the first gear is rotatably connected with a first gear shaft 3 through a bearing, the second gear is rotatably connected with a second gear shaft 4 through a bearing, the first gear shaft and the second gear shaft are fixedly connected with a frame body 6 through a gear shaft support 5, the first gear is fixedly connected with a handle 7, and a tester can drive the first gear to rotate through the handle. The eccentric position of first gear is in that the one end of first connecting rod 8 is articulated, and the other end of first connecting rod is articulated with the one end of second connecting rod 9, and the other end of second connecting rod is articulated with the eccentric position department of second gear, first connecting rod and the articulated tip of second connecting rod are articulated with the one end of third connecting rod 21, and the other end of third connecting rod is articulated with the top of ejector pin 10, and the ejector pin passes guide 11 of fixing on the support body, and its bottom is connected with the mounting.
The tester rotates the first gear through the handle, and the first gear drives the second gear and rotates, through the effect of first connecting rod, second connecting rod and third connecting rod, can drive the ejector pin and do the elevating movement.
The guide piece adopts the guide block of fixing on the support body, be provided with the through-hole that is used for the ejector pin to pass on the guide block.
The fixing piece adopts circular shape fixed disk 12, the central point of fixed disk upper surface puts and the bottom fixed connection of ejector pin, the bottom surface evenly distributed of fixed disk has five top tubes 13, the top and the fixed disk fixed connection of top tube, its bottom is provided with the roof 14 that the diameter is 100.6mm, and the top tube passes through roof top push marshall test piece.
The bearing mechanism comprises a disc 15, the disc is used for supporting a Marshall test piece mold, five circular openings are formed in the disc and are coaxial with a top barrel, a first sleeve 16 is fixed to the upper surface of the disc at each opening, the first sleeve and the top barrel are arranged coaxially, the inner diameter of the first sleeve is equal to the outer diameter of the Marshall test piece mold with the largest test size, the Marshall test piece mold can be inserted into the first sleeve and placed on the disc, and the first sleeve can position the Marshall test piece mold to guarantee the Marshall test piece mold to be coaxial with the top barrel.
Still be provided with baffle 17 in the opening, the baffle is circular baffle, and its diameter equals open-ended diameter, and the circumference side of baffle can paste the open-ended mouth face tightly to have certain frictional force between with the opening.
Marshall test piece shedder still includes the second sleeve, the second sleeve includes first section of thick bamboo 18 and second section of thick bamboo 19, the external diameter of first section of thick bamboo equals first telescopic internal diameter, can insert in first sleeve and with the medial surface contact of first sleeve, the external diameter of second section of thick bamboo is greater than first telescopic internal diameter, the second sleeve can be placed on first telescopic up end through second section of thick bamboo.
The inner diameter of the second sleeve is equal to the outer diameter of the corresponding Marshall test piece die, and the second sleeves with a series of sizes can be pre-processed to meet the positioning requirements of Marshall test piece dies with different sizes.
In this embodiment, the inner diameter of the first sleeve is 152.4mm, and the inner diameter of the second sleeve is 101.6 mm.
A plurality of support columns 20 are fixed on the bottom surface of the disc, and the bottom ends of the support columns are fixed on the workbench and used for supporting the disc.
The using method of the demolding device in the embodiment comprises the following steps: the method comprises the steps of determining to use a first sleeve or a second sleeve according to the size of a Marshall specimen mold, directly inserting the Marshall specimen mold into the first sleeve and placing the Marshall specimen mold on a disc when the Marshall specimen mold 22 is the mold with the largest size, rotating a handle, enabling an ejector rod to descend under the action of a first gear, a second gear, a first connecting rod, a second connecting rod and a third connecting rod to drive an ejector cylinder to descend, enabling the ejector cylinder to push the Marshall specimen in the Marshall specimen mold to move downwards for demolding, reducing the falling speed of the Marshall specimen due to the existence of a baffle and the friction force between the baffle and an opening, preventing the Marshall specimen from falling fast and being damaged, and enabling the ejector cylinder to ascend and taking out the Marshall specimen mold when the Marshall specimen is completely ejected by the ejector cylinder.
And when the Marshall test pieces with other sizes are demoulded, placing the corresponding second sleeve on the first sleeve, positioning the Marshall test piece mould by using the second sleeve, and demoulding by adopting the same method.
Adopt the shedder of this embodiment, can carry out the drawing of patterns to a plurality of marshall test pieces simultaneously, and same shedder has satisfied the drawing of patterns demand of different size marshall test pieces, and work efficiency is high, and operation labour saving and time saving has reduced experimental facilities cost.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (8)
1. A Marshall test piece demoulding device which is characterized by comprising a pushing mechanism and a bearing mechanism which are arranged up and down, the pushing mechanism is arranged on a fixedly arranged frame body and comprises a driving mechanism, the driving mechanism is connected with a plurality of top cylinders and can drive the top cylinders to move up and down, the bearing mechanism comprises a disc for supporting the Marshall test piece die, the disc is fixed on the workbench, the disc is provided with a plurality of openings which are coaxial with the top barrel, the openings are provided with first sleeves which are fixedly connected with the disc, the first sleeve and the top barrel are coaxially arranged, the Marshall test piece die can be inserted into the first sleeve, the inner side surface of the first sleeve can be attached to the outer peripheral surface of the Marshall test piece die, the positioning device is used for positioning the Marshall test piece mold, the top cylinder moves downwards, and the Marshall test piece can be pushed out from the opening.
2. The marshall test piece shedder of claim 1, wherein the actuating mechanism comprises a first gear and a second gear that are disposed on top of each other and engage with each other, the first gear and the second gear are rotatably connected to the frame, the eccentric position of the first gear is hinged to one end of the first link, the other end of the first link is hinged to one end of the second link, the other end of the second link is hinged to the eccentric position of the second gear, the end of the hinged end of the first link and the end of the second link are hinged to one end of the third link, the other end of the third link is hinged to one end of the ejector rod, the ejector rod passes through the guide, the other end of the ejector rod is connected to the fixing member, and the fixing member is fixedly connected to the plurality of ejector cylinders.
3. A marshall specimen stripping apparatus as claimed in claim 2, wherein the first gear has a handle thereon, the handle being capable of driving rotation of the first gear.
4. The marshall test piece shedder of claim 2, wherein the mounting is a fixed disk, the upper surface of fixed disk is fixedly connected with the ejector pin, and the lower surface is fixed with a plurality of top tubes.
5. The Marshall specimen demoulding device as claimed in claim 1, wherein the bottom end of the top cylinder is fixed with a top plate, and the top cylinder can push the Marshall specimen through the top plate.
6. A marshall test piece shedder as in claim 1, wherein said marshall test piece shedder further comprises a second sleeve, said second sleeve comprising a first sleeve section and a second sleeve section, said first sleeve section having an outer diameter equal to said first sleeve inner diameter, said second sleeve section having an outer diameter greater than said first sleeve inner diameter, said first sleeve section insertable into said first sleeve, said second sleeve section resting on a top surface of said first sleeve.
7. A marshall specimen stripping apparatus as claimed in claim 1, wherein a baffle is further provided in the opening, the diameter of the baffle is equal to the diameter of the opening, and the outer edge of the baffle can be tightly attached to the surface of the opening.
8. A marshall specimen de-molding apparatus as claimed in claim 1, wherein a plurality of posts are secured to the bottom surface of said disk, said posts being secured to the table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921837800.3U CN210953587U (en) | 2019-10-25 | 2019-10-25 | Marshall test piece shedder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921837800.3U CN210953587U (en) | 2019-10-25 | 2019-10-25 | Marshall test piece shedder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953587U true CN210953587U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921837800.3U Expired - Fee Related CN210953587U (en) | 2019-10-25 | 2019-10-25 | Marshall test piece shedder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461634A (en) * | 2020-11-17 | 2021-03-09 | 山东建筑大学 | Full-automatic demolding machine and demolding method for Marshall test piece |
-
2019
- 2019-10-25 CN CN201921837800.3U patent/CN210953587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461634A (en) * | 2020-11-17 | 2021-03-09 | 山东建筑大学 | Full-automatic demolding machine and demolding method for Marshall test piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211025 |