CN211504925U - Inserting and tamping device for bituminous mixture marshall test piece - Google Patents
Inserting and tamping device for bituminous mixture marshall test piece Download PDFInfo
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- CN211504925U CN211504925U CN202020132502.0U CN202020132502U CN211504925U CN 211504925 U CN211504925 U CN 211504925U CN 202020132502 U CN202020132502 U CN 202020132502U CN 211504925 U CN211504925 U CN 211504925U
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Abstract
The utility model discloses an inserting and smashing device for a marshall test piece of asphalt mixture, which comprises a bottom plate, wherein a bearing platform is fixed on the bottom plate, a vertical supporting rod is fixedly connected on the bearing platform, a cantilever is vertically connected on the supporting rod, an inserting and smashing rod lifting device is connected on the cantilever, an inserting and smashing rod is connected on the inserting and smashing rod lifting device, and the inserting and smashing rod lifting device can drive the inserting and smashing rod to move up and down; the bottom plate is also provided with a test mold bearing platform, the test mold bearing platform and the bottom plate are rotatably connected, and the test mold bearing platform is arranged below the tamping rod; the test mold bearing platform is connected with a driving device for driving the test mold bearing platform to rotate. The device easy operation can insert through mechanical device and smash, has improved the quality of efficiency and marshall test piece to and can avoid or reduce the pitch evaporation and cause the injury to the human body.
Description
Technical Field
The utility model belongs to the technical field of the test of road engineering material, concretely relates to device is smash to inserting of bituminous mixture marshall test piece.
Background
At present, the asphalt pavement is widely applied in road construction in China, and the use quality of the road is directly determined by the design of the asphalt mixture. The existing Marshall design method is a mainstream method for designing the mix proportion of the asphalt mixture in China, and most of the derived test work related to the volume parameter and the mechanical property of the asphalt mixture is obtained based on a standard Marshall test piece. When the Marshall test piece is manufactured, the procedures of batching, material heating, mixing, charging, tamping, compacting and the like are needed. The manual tamping is adopted, the productivity is low, the compactness of a test piece is insufficient, and the asphalt is slightly evaporated after heating and harmful to human bodies.
Disclosure of Invention
Not enough to current preparation bituminous mixture test piece in-process manual work is inserted and is smash, the utility model aims at providing a device is smash in inserting of bituminous mixture marshall test piece, the device easy operation can insert through mechanical device and smash, has improved the quality of efficiency and marshall test piece to and can avoid or reduce the pitch evaporation and cause the injury to the human body.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
an inserting and tamping device for an asphalt mixture marshall test piece comprises a bottom plate, wherein a bearing platform is fixed on the bottom plate, a vertical supporting rod is fixedly connected to the bearing platform, a cantilever is vertically connected to the supporting rod, an inserting and tamping rod lifting device is connected to the cantilever, an inserting and tamping rod is connected to the inserting and tamping rod lifting device, and the inserting and tamping rod lifting device can drive the inserting and tamping rod to move up and down; the bottom plate is also provided with a test mold bearing platform, the test mold bearing platform and the bottom plate are rotatably connected, and the test mold bearing platform is arranged below the tamping rod; the test mold bearing platform is connected with a driving device for driving the test mold bearing platform to rotate.
The cantilever is provided with a sleeve at one end, the sleeve is sleeved on the support rod, the sleeve is connected with a positioning bolt, and the positioning bolt is used for fixing the relative position of the support rod and the cantilever.
The inserting and tamping rod lifting device comprises a motor, a ball screw and a metal connecting rod, the motor is arranged on the cantilever, the upper end of the ball screw is connected with an output shaft of the motor, one end of the metal connecting rod is connected with a nut of the ball screw, and the other end of the metal connecting rod is connected with the inserting and tamping rod; the lower extreme of motor still fixedly is equipped with the guide bar, the upper end and the motor fixed connection of guide bar, and the nut is run through to the lower extreme, and the guide bar is used for preventing the nut rotation.
The mould test bearing platform is circular, and the centre of mould test bearing platform bottom is connected with the metal montant perpendicularly, and the lower extreme and the bottom plate of metal montant pass through bearing rotatable coupling, and drive arrangement includes motor and belt, and the belt is around establishing output shaft and the metal montant at the motor.
And a positioning clamp for fixing the test mold is arranged on the upper end face of the test mold bearing platform.
The utility model discloses following beneficial effect has:
the inserting and tamping device of the asphalt mixture marshall test piece of the utility model is connected with the inserting and tamping rod lifting device on the cantilever, and the inserting and tamping rod lifting device is connected with the inserting and tamping rod, so the inserting and tamping rod can move up and down through the inserting and tamping rod lifting device; the test mold bearing platform is rotatably connected with the bottom plate, and the test mold bearing platform is connected with a driving device for driving the test mold bearing platform to rotate, so that the test mold bearing platform can be driven to rotate through the driving device, and the test mold is driven to rotate together; through mutually supporting between drive arrangement and the stick elevating gear of tamping of inserting, can make the rotatory angle of presetting of examination mould after, the stick of tamping of inserting moves down and inserts and smash, insert and smash the stick and move up after accomplishing, test mould rotates the angle of presetting again afterwards, the stick of tamping of inserting moves down and inserts and smash, insert and smash the stick and move up after accomplishing of tamping, so reciprocal, can accomplish the work of smashing of inserting to the marshall test piece, and all step accessible mechanical structure accomplishes, consequently, the quality of efficiency and marshall test piece has been improved, the quality of test piece is also more stable, and can avoid or reduce the pitch evaporation and cause the injury to the human body.
Drawings
FIG. 1 is a schematic structural diagram of an inserting and tamping device for a Marshall specimen of asphalt mixture of the present invention;
FIG. 2 is a schematic structural view of a ball screw according to the present invention;
fig. 3 is a schematic structural view of a test mold bearing platform of the present invention.
The device comprises a base plate 1, a chassis 2, a bearing platform 3, a positioning bolt 4, a support rod 5, a positioning bolt 6, a cantilever rod 7, a sleeve 7-1, a motor 8, a guide rod 8-1, a ball screw 9, a nut 10, a metal connecting rod 11, a tamping rod 12, a test mold bearing platform 13, a metal vertical rod 14, a bearing 15, a belt 16, a motor 17 and a positioning card 18.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the inserting and tamping device for the asphalt mixture marshall test piece comprises a bottom plate 1, wherein a bearing platform 3 is fixed on the bottom plate 1, a vertical support rod 5 is fixedly connected to the bearing platform 3, a cantilever 7 is vertically connected to the support rod 5, a tamping bar inserting lifting device is connected to the cantilever 7, a tamping bar 12 is connected to the tamping bar inserting lifting device, and the tamping bar inserting lifting device can drive the tamping bar 12 to move up and down; the bottom plate 1 is also provided with a test mold bearing platform 13, the test mold bearing platform 13 is rotatably connected with the bottom plate 1, and the test mold bearing platform 13 is arranged below the tamping rod 12; the test mold bearing table 13 is connected with a driving device for driving the test mold bearing table to rotate.
Referring to fig. 1, as a preferred embodiment of the present invention, one end of the cantilever 7 is provided with a sleeve 7-1, the sleeve 7-1 is sleeved on the support rod 5, the sleeve 7-1 is connected with a positioning bolt 6, and the positioning bolt 6 is used for fixing the relative position of the support rod 5 and the cantilever 7.
As a preferred embodiment of the present invention, referring to fig. 1 and 2, the inserting and tamping rod lifting device includes a motor 8, a ball screw 9 and a metal connecting rod 11, the motor 8 is installed on the cantilever 7, the upper end of the screw rod of the ball screw 9 is connected with the output shaft of the motor 8, one end of the metal connecting rod 11 is connected with the nut 10 of the ball screw 9, and the other end of the metal connecting rod 11 is connected with the inserting and tamping rod 12; the lower end of the motor 8 is also fixedly provided with a guide rod 8-1, the upper end of the guide rod 8-1 is fixedly connected with the motor 8, the lower end of the guide rod 8-1 penetrates through a nut 10, and the guide rod 8-1 is used for preventing the nut 10 from rotating. The screw of the ball screw 9 can realize forward or reverse rotation under the driving of the motor 8, thereby realizing the up-and-down movement of the tamping rod 12.
As a preferred embodiment of the present invention, referring to fig. 1 and 3, the test mold bearing platform 13 is circular, the center of the bottom of the test mold bearing platform 13 is vertically connected with a metal vertical rod 14, the lower end of the metal vertical rod 14 is rotatably connected with the bottom plate 1 through a bearing 15, the driving device comprises a motor 17 and a belt 16, and the belt 16 is wound around the output shaft of the motor 17 and the metal vertical rod 14.
Referring to fig. 3, a positioning clip 18 for fixing a test mold is provided on the upper end surface of the test mold support 13.
Referring to fig. 3, the preferred embodiment of the present invention is that 4 positioning clips 18 are provided on the test bed 13, and the positioning clips are L-shaped.
Examples
As shown in fig. 1, the inserting and tamping device for the marshall test piece of asphalt mixture of this embodiment includes a bottom plate 1, a bearing platform 3 is fixed on the bottom plate 1 through a positioning bolt 4, the bearing platform 3 is connected with a vertical fixed support rod 5, a cantilever 7 is fixed on the support rod 5 through a sleeve 7-1 and a positioning bolt 6, the cantilever 7 is connected with an inserting and tamping rod lifting device, the inserting and tamping rod lifting device includes a ball screw 9, a motor 8 and a metal connecting rod 11, one end of the metal connecting rod 11 is fixedly connected with a nut 10 of the ball screw 9, the other end of the metal connecting rod 11 is connected with an inserting and tamping rod 12, the working end of the inserting and tamping rod 12 is vertically downward, a guide rod 8-1 is further fixed at the lower end of the motor 8, the upper end of the guide rod 8-1 is fixedly connected with the motor 8, the lower end passes through the nut 10, the guide rod 8-1 is used for preventing the nut 10 from rotating, therefore, when the, nut 10 is capable of carrying metal rod 11 and tamper evident rod 12 up or down. A circular test mold bearing platform 13 is arranged on the bottom plate 1, 4L-shaped positioning clamps 18 are arranged on the upper surface of the bearing platform 13, a metal vertical rod 14 is vertically and fixedly connected to the center of the bottom of the bearing platform 13, a line segment of the metal vertical rod 14 is rotatably connected with the bottom plate 1 through a bearing 15, the metal vertical rod 14 is connected with an output shaft of a motor 17 through a belt 16, the motor 17 can drive the belt 16 to drive the metal vertical rod 14 to rotate, and then the test mold bearing platform 13 also rotates. The motor 8 and the motor 17 are mutually matched and work discontinuously, the motor 17 ensures that the test mold stops after rotating a quarter circle, the motor 8 is started to insert the tamping plug twice, the motor 8 stops, the motor 17 is restarted, and the tamping plug is completed by multiple rounds.
Claims (5)
1. The inserting and tamping device for the asphalt mixture Marshall test piece is characterized by comprising a bottom plate (1), wherein a bearing platform (3) is fixed on the bottom plate (1), a vertical supporting rod (5) is fixedly connected to the bearing platform (3), a cantilever (7) is vertically connected to the supporting rod (5), an inserting and tamping rod lifting device is connected to the cantilever (7), an inserting and tamping rod (12) is connected to the inserting and tamping rod lifting device, and the inserting and tamping rod lifting device can drive the inserting and tamping rod (12) to move up and down; the bottom plate (1) is also provided with a test mold bearing platform (13), the test mold bearing platform (13) is rotatably connected with the bottom plate (1), and the test mold bearing platform (13) is arranged below the tamping rod (12); the test mold bearing platform (13) is connected with a driving device for driving the test mold bearing platform to rotate.
2. The device for inserting and smashing the asphalt mixture marshall test piece according to claim 1, wherein a sleeve (7-1) is arranged at one end of the cantilever (7), the sleeve (7-1) is sleeved on the support rod (5), a positioning bolt (6) is connected to the sleeve (7-1), and the positioning bolt (6) is used for fixing the relative position of the support rod (5) and the cantilever (7).
3. The inserting and tamping device for the asphalt mixture marshall test piece according to claim 1, wherein the inserting and tamping rod lifting device comprises a motor (8), a ball screw (9) and a metal connecting rod (11), the motor (8) is installed on the cantilever (7), the upper end of a screw rod of the ball screw (9) is connected with an output shaft of the motor (8), one end of the metal connecting rod (11) is connected with a nut (10) of the ball screw (9), and the other end of the metal connecting rod (11) is connected with the inserting and tamping rod (12); the lower end of the motor (8) is also fixedly provided with a guide rod (8-1), the upper end of the guide rod (8-1) is fixedly connected with the motor (8), the lower end of the guide rod penetrates through the nut (10), and the guide rod (8-1) is used for preventing the nut (10) from rotating.
4. The device for inserting and smashing an asphalt mixture marshall test piece according to claim 1, wherein the test die bearing platform (13) is circular, a metal vertical rod (14) is vertically connected to the center of the bottom of the test die bearing platform (13), the lower end of the metal vertical rod (14) is rotatably connected with the bottom plate (1) through a bearing (15), the driving device comprises a motor (17) and a belt (16), and the belt (16) is wound on an output shaft of the motor (17) and the metal vertical rod (14).
5. The device for inserting and smashing the asphalt mixture Marshall test piece according to claim 1 or 4, wherein a positioning clamp (18) for fixing a test mold is arranged on the upper end face of the test mold bearing platform (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132502.0U CN211504925U (en) | 2020-01-20 | 2020-01-20 | Inserting and tamping device for bituminous mixture marshall test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132502.0U CN211504925U (en) | 2020-01-20 | 2020-01-20 | Inserting and tamping device for bituminous mixture marshall test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504925U true CN211504925U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020132502.0U Active CN211504925U (en) | 2020-01-20 | 2020-01-20 | Inserting and tamping device for bituminous mixture marshall test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504925U (en) |
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2020
- 2020-01-20 CN CN202020132502.0U patent/CN211504925U/en active Active
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