CN211042886U - Bituminous mixture wheel compaction device - Google Patents
Bituminous mixture wheel compaction device Download PDFInfo
- Publication number
- CN211042886U CN211042886U CN201922044219.2U CN201922044219U CN211042886U CN 211042886 U CN211042886 U CN 211042886U CN 201922044219 U CN201922044219 U CN 201922044219U CN 211042886 U CN211042886 U CN 211042886U
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- compaction
- asphalt mixture
- wheel
- rod
- sliding
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Abstract
The utility model discloses an asphalt mixture wheel mill compaction device, under the combined action of a compaction device, a sliding device and a compaction power device, the preliminary compaction before the asphalt mixture wheel mill forming can be realized, the compaction device can drive a compaction head to evenly compact the asphalt mixture by means of the up-and-down movement of a compaction rod, and the problems of uneven compaction, low efficiency, labor waste and the like caused by the manual compaction in the past are solved; the sliding device can realize the movement of the track plate test mold, so that the compaction position can be changed, and the asphalt mixture is more uniformly compacted; this device is effectual before having avoided the shaping bituminous mixture rut board test piece artifical carry out preliminary compaction and the compaction that causes is inhomogeneous, the test efficiency is low and the security is not enough etc. drawback, has apparent meaning to the shaping effect that improves the bituminous mixture rut board.
Description
Technical Field
The utility model belongs to bituminous mixture preparation facilities, concretely relates to bituminous mixture wheel grinds real device.
Background
The manufacturing method (wheel milling method) of the T0703-2011 asphalt mixture test piece introduced in corresponding standard of highway engineering asphalt and asphalt mixture test regulation JTG E20-2011 in the highway industry of China is one of important methods for forming the asphalt mixture test piece in a test room, the formed asphalt mixture rut plate test piece can be used when the asphalt mixture physical and mechanical property test is carried out, the quality of the formed rut plate test piece has a great influence on the accuracy of the test result, the physical and mechanical indexes of the asphalt mixture measured by the test piece with good forming quality have obvious theoretical guiding significance on guiding the reasonability of the asphalt mixture design, the asphalt mixture plate-shaped test piece formed by the wheel milling method is required to reach 100 +/-1% of the Marshall standard compaction density, therefore, in order to improve the forming effect of the test piece, before a test mould filled with the asphalt mixture is placed on a wheel milling instrument, the loose asphalt mixture is preliminarily compacted manually, that is, the whole asphalt mixture which is mixed in an asphalt mixture mixing pot is mixed by a small shovel before the test, and then the mixture is uniformly loaded into a test mould along the test mould from edge to middle in turn in sequence, and the middle part is required to be slightly higher than the periphery. Then taking down the test mold frame, tamping one side of the test mold frame from the side to the middle transfer ring by using a preheated compaction hammer, leveling the test mold frame into a convex arc shape, and then performing wheel milling compaction. Although the compactness of the asphalt mixture rut plate can be improved by the preliminary compaction before the wheel milling by using the method, the method has the following defects: (1) the density degree of the asphalt mixture is not uniform by artificially carrying out the test; (2) the small compaction hammer used in the test is used after being preheated in the oven, and if the operation is not standard, the test personnel are easy to scald; (3) if more test pieces need to be molded at one time, the manual operation has the defects of low efficiency, waste of physical strength and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an asphalt mixture wheel grinds real device to overcome prior art's is not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an asphalt mixture wheel compaction device comprises a compaction device, a sliding device and a compaction power device;
the compaction device comprises a guide bracket and a compaction rod capable of sliding up and down along the guide bracket, a compaction head is arranged at the lower end part of the compaction rod, and a vertically arranged rack is arranged on the compaction rod;
the compaction power device comprises a half gear meshed with the rack, the half gear is connected with an output shaft of a driving motor, and the driving motor is fixed on the guide bracket;
the sliding device comprises a test mould placing plate, a sliding seat and a sliding track arranged on the sliding seat, sliding balls are arranged in the sliding track, a groove matched with the sliding balls is formed in the lower end of the test mould placing plate, an asphalt mixture test mould is placed on the test mould placing plate, the sliding seat is arranged below the guide support, and the test mould placing plate can be displaced to the position under the compaction head;
the rolling device comprises a main body support of the wheel mill instrument fixed on one side of the guide support, a rolling wheel is arranged on the main body support of the wheel mill instrument, and the sliding seat can move to the lower end of the rolling wheel.
Further, be equipped with spacing platform on the seat that slides, the board one side can be placed with spacing platform one side contact to the examination mould, and the examination mould is placed the board and is all equipped with the magnet that can the actuation each other with spacing platform one side that contacts.
Furthermore, the sliding seat is provided with a cross sliding track, so that the position of the test mold placing plate on the sliding seat can be adjusted conveniently, and the size of the compaction head is smaller than that of the test mold of the asphalt mixture.
Furthermore, the guide support adopts a door-shaped support, a vertical guide hole is formed in the upper end of the guide support, the compaction rod is arranged in the vertical guide hole, a compaction rod clamping groove is formed in one side of the guide support, a guide ring with a cross section in the shape of the cross section of the compaction rod is arranged on the compaction rod clamping groove, and the compaction rod penetrates through the guide ring.
Furthermore, the lower end of the tamping rod and the tamping head are welded or integrally formed.
Further, the guide bracket lower extreme is equipped with the base, and the guide bracket is connected with wheel mill appearance base through the bolt, and the guide bracket is connected with wheel mill appearance main part support through the connecting rod.
Furthermore, a compaction driving device placing platform and a gear shaft frame are arranged on the guide support, the driving motor is fixed on the compaction driving device placing platform, a rotatable gear shaft is arranged on the gear shaft frame, a half gear is fixed at one end of the gear shaft and can be meshed with a rack, a full gear is fixed at the other end of the gear shaft, an output gear is fixed on an output shaft of the driving motor, and the full gear is connected with the output gear through a chain.
Furthermore, the compaction rod and the compaction head are both of a hollow structure, a heating wire and a temperature measuring element are arranged in the compaction head, the heating wire and the temperature measuring element are connected to the temperature control device through wires, and the wires penetrate through the compaction rod.
A method for rolling, rolling and compacting an asphalt mixture comprises the following steps:
step 1), fixing an asphalt mixture test mold on a test mold placing plate, moving the test mold placing plate to a position right below a compaction head, enabling the compaction head to fall into the asphalt mixture test mold, and then fixing the test mold placing plate;
step 2), uniformly paving the mixed asphalt mixture into an asphalt mixture test mold, enabling the middle part of the asphalt mixture in the asphalt mixture test mold to be higher than the periphery, and then starting a driving motor to drive a compaction head to compact the asphalt mixture in the asphalt mixture test mold to finish the preset compaction times;
and step 3), the compacted asphalt mixture test mold is moved to a rolling device through the test mold placing plate to perform a rolling test, and the wheel rolling method forming process of the asphalt mixture test piece can be completed.
Further, in the compacting process in the step 2), the compacting head is heated to enable the temperature of the contact surface of the compacting head and the asphalt mixture to be consistent with the test temperature of the asphalt mixture to be tested.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a bituminous mixture wheel grinds and hits real device under hitting real device, slider and hit real power device combined action, can realize the preliminary compaction before the bituminous mixture wheel grinds the shaping, hit real device can drive with the help of the reciprocating of hitting the real pole and hit the real head and evenly hit real to bituminous mixture, adopt half wheel and rack meshing, can ensure to hit real dynamics unanimous each time, solved and adopted manual compaction to cause compaction inhomogeneous, inefficiency, hard scheduling problem in the past; the sliding device can realize the movement of the track plate test mold, so that the compaction position can be changed, and the asphalt mixture is more uniformly compacted; this device is effectual before having avoided the shaping bituminous mixture rut board test piece artifical carry out preliminary compaction and the compaction that causes is inhomogeneous, the test efficiency is low and the security is not enough etc. drawback, has apparent meaning to the shaping effect that improves the bituminous mixture rut board.
Further, be equipped with spacing platform on the seat that slides, the board one side can be placed with spacing platform one side contact to the examination mould, and the examination mould is placed the board and is contacted one side with spacing platform and all be equipped with the magnet that can actuation each other, can guarantee to place the board stably at hitting real in-process examination mould, prevents that the examination mould from placing the board and rock.
Furthermore, a cross sliding track is arranged on the sliding seat, the size of the compaction head is smaller than that of a test mold of the asphalt mixture, and the position of the test mold placing plate on the sliding seat is adjusted conveniently.
Furthermore, the guide support adopts a door-shaped support, a vertical guide hole is formed in the upper end of the guide support, the compaction rod is arranged in the vertical guide hole, a compaction rod clamping groove is formed in one side of the guide support, a guide ring with a cross section in the shape of the cross section of the compaction rod is arranged on the compaction rod clamping groove, the compaction rod is arranged in the guide ring in a penetrating mode, the stability of the compaction rod in the motion process is ensured, and the compaction effect is ensured to be uniform.
Further, the guide bracket lower extreme is equipped with the base, and the guide bracket is connected with wheel mill appearance base through the bolt, and the guide bracket is connected with wheel mill appearance main part support through the connecting rod, and the seat of sliding is located wheel mill appearance main part support lower extreme, is equipped with the rolling wheel on the wheel mill appearance main part support, can move the bituminous mixture examination mould after hitting the reality and roll to the rolling wheel lower extreme, can realize compaction and the synchronization of wheel mill, prevents that bituminous mixture examination mould from removing, improves experimental efficiency.
Further, be equipped with on the guide bracket and hit real drive arrangement place the platform and gear pedestal, driving motor is fixed in and hits real drive arrangement place the platform on, be provided with rotatable gear shaft on the gear pedestal, the fixed half-gear of gear shaft one end, the half-gear can with rack toothing, the fixed full-gear of gear shaft other end, be fixed with output gear on driving motor's the output shaft, full-gear passes through the chain with output gear and is connected, it is fixed to adopt the chain, be convenient for change unnecessary model half-gear, in order to adapt to the experiment of different real dynamics of hitting.
Furthermore, the compacting rod and the compacting head are both of a hollow structure, a heating wire and a temperature measuring element are arranged in the compacting head, the heating wire and the temperature measuring element are connected to the temperature control device through wires, the wires penetrate through the compacting rod, and the compacting head is heated and subjected to temperature detection through the heating wire and the temperature measuring element, so that the reduction range of the temperature of the asphalt mixture in the test process is reduced.
Drawings
FIG. 1 is a schematic view of the compaction process of the present invention;
FIG. 2 is a schematic view of the pickup structure of the present invention;
FIG. 3 is a partial structure view of the sliding apparatus;
FIG. 4 is a partial structure of the compaction apparatus;
FIG. 5 is a partial schematic view of a temperature control device;
the device comprises a sliding seat 1, a test mold placing plate 2, a compaction head 3, a compaction rod 4, a compaction rod clamping groove 5, a driving motor 6, a compaction driving device placing platform 7, a chain 8, a half gear 9, a compaction rod 10, a guide support 10, a connecting rod 11, an operating platform 12, a sliding ball 13, a heating wire 14 and a rack 15.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1-5, an asphalt mixture wheel compaction device comprises a compaction device, a sliding device, a compaction power device and a rolling device;
the compaction device comprises a guide bracket 10 and a compaction rod 9 capable of sliding up and down along the guide bracket 10, a compaction head 3 is arranged at the end part of the compaction rod 9, the compaction head 3 is connected with the compaction rod 9 through a ball joint, and a rack 15 which is vertically arranged is arranged on the compaction rod 9;
the compaction power device comprises a half gear 8 meshed with the rack 15, the half gear 8 is connected with an output shaft of the driving motor 5, and the driving motor 5 is fixed on the guide bracket 10;
the sliding device comprises a test mould placing plate 2, a sliding seat 1 and a sliding track arranged on the sliding seat 1, sliding balls 13 are arranged in the sliding track, a groove matched with the sliding balls is formed in the lower end of the test mould placing plate 2, an asphalt mixture test mould is placed on the test mould placing plate 2, the sliding seat 1 is arranged below the guide support 10, and the test mould placing plate 2 can be displaced to the position under the compaction head 3;
the rolling device comprises a main body support of the wheel milling instrument fixed on one side of the guide support 10, a milling wheel is arranged on the main body support of the wheel milling instrument, and the sliding seat 1 can be moved to the lower end of the milling wheel.
Specifically, a limiting table positioned on the side of the guide support 10 is arranged on the sliding seat 1, one side of the test mold placing plate 2 can be in contact with one side of the limiting table, and magnets capable of being attracted to each other are arranged on one side of the test mold placing plate 2 in contact with the limiting table; a fixing table used for fixing the test mold placing plate 2 to the lower end of the rolling wheel is arranged on one side of the wheel mill main body support on the sliding seat 1.
The cross sliding track is arranged on the sliding seat 1, so that the position of the test mold placing plate 2 on the sliding seat 1 can be adjusted conveniently, and the size of the compaction head 3 is smaller than that of the test mold of the asphalt mixture.
During the experiment, before carrying out bituminous mixture wheel and rolling shaping, place board 2 earlier with the examination mould and remove to hit under real head 3, the examination mould is placed board 2 and is slided spacing platform one side magnet actuation location on the seat 1 to in carry out preliminary compaction to bituminous mixture, place board 2 through the examination mould and can realize trying the mould position adjustment to bituminous mixture at the orbital removal of cross sliding, thereby utilize to hit real head and carry out even compaction to bituminous mixture.
the guide bracket lower extreme is equipped with the base, the guide bracket is connected with the wheel mill appearance base through the bolt, can regard as to hit real device and hit real power device's place the platform, the guide bracket is connected with wheel mill appearance main part support through connecting rod 11 simultaneously, seat 1 that slides is located wheel mill appearance main part support lower extreme, be equipped with the rolling wheel on the wheel mill appearance main part support, the bituminous mixture examination mould on board 2 is placed to the examination mould and the experiment back of hitting is accomplished, remove the examination mould through the seat that slides and place board 2 to rolling wheel lower extreme, realize the compaction and the synchronization of wheel mill, can strengthen guide bracket stability simultaneously.
Specifically, a compaction driving device placing platform 6 and a gear shaft frame are arranged on the guide support 10, the driving motor 5 is fixed on the compaction driving device placing platform 6, a rotatable gear shaft is arranged on the gear shaft frame, a half gear 8 is fixed at one end of the gear shaft, the half gear 8 can be meshed with a rack 15, a full gear is fixed at the other end of the gear shaft, an output gear is fixed on an output shaft of the driving motor 5, and the full gear is connected with the output gear through a chain 7; under the action of the chain, the gear at the end of the driving motor drives the half gear to be meshed with the rack so as to drive the compaction rod 9 to move upwards, and after the half gear is disengaged from the rack, the compaction rod 9 drives the compaction head to freely fall, so that the compaction of the asphalt mixture is realized.
Specifically, the compaction rod 9 and the compaction head 3 are both of a hollow structure, and a heating wire 14 and a temperature measuring element are arranged in the compaction head 3, so that the temperature control effect on the compaction head 3 is realized, the temperature of the compaction head is kept synchronous with the temperature of the asphalt mixture in the compaction process, and the heat preservation effect is realized.
An operation table 12 is fixed on the main body bracket of the wheel milling instrument and is used for controlling the whole instrument.
When the asphalt mixture wheel-milling forming compaction device is applied, the concrete operation steps are as follows:
(1) preparation work: heating an asphalt mixture test mold for an asphalt mixture for standby, wherein the normal-temperature asphalt mixture does not need to be heated;
(2) placing a heated and standby asphalt mixture test mould on the test mould placing plate 2, and then laying cut common paper in the test mould to enable the bottom surface and the side surface to be separated by the paper; then fixing the test mold by using a test mold fixing device on the wheel mill; uniformly and circularly loading the mixed asphalt mixture into a test mold from side to middle along an asphalt mixture test mold in sequence, wherein the middle part is higher than the periphery;
(3) moving the asphalt mixture test mold placing plate to a position right below the compacting head so that the test mold placing plate 2 with the mold is static at the position;
(4) the compaction device starts to work, and at the moment, the compaction head 3 can move up and down under the driving action of the compaction rod to compact the asphalt mixture and compact the asphalt mixture according to the preset compaction times;
(5) the asphalt mixture test mould after the compaction is completed is placed through the test mould, the plate is moved to a rolling device for rolling test, and the wheel rolling method forming process of the asphalt mixture test piece can be completed.
Claims (9)
1. The asphalt mixture wheel compaction device is characterized by comprising a compaction device, a sliding device, a compaction power device and a compaction device;
the compaction device comprises a guide bracket (10) and a compaction rod (9) capable of sliding up and down along the guide bracket (10), the lower end part of the compaction rod (9) is connected with a compaction head (3) through a ball joint, and a vertically arranged rack (15) is arranged on the compaction rod (9);
the compaction power device comprises a half gear (8) which is meshed with the rack (15), the half gear (8) is connected with an output shaft of a driving motor (5), and the driving motor (5) is fixed on a guide bracket (10);
the sliding device comprises a test mold placing plate (2), a sliding seat (1) and a sliding track arranged on the sliding seat (1), sliding balls (13) are arranged in the sliding track, a groove matched with the sliding balls is formed in the lower end of the test mold placing plate (2), an asphalt mixture test mold is placed on the test mold placing plate (2), the sliding seat (1) is arranged below the guide support (10), and the test mold placing plate (2) can be displaced to the position under the compaction head (3);
the rolling device comprises a main body support of the wheel milling instrument fixed on one side of a guide support (10), a milling wheel is arranged on the main body support of the wheel milling instrument, and a sliding seat (1) can be moved to the lower end of the milling wheel.
2. The asphalt mixture wheel compacting device according to claim 1, wherein a limiting table is arranged on the sliding seat (1) and located on the side of the guide support (10), one side of the test mold placing plate (2) can be in contact with one side of the limiting table, and magnets capable of attracting each other are arranged on one sides of the test mold placing plate (2) and the limiting table, which are in contact with each other.
3. The asphalt mixture wheel compaction device according to claim 1, wherein the sliding seat (1) is provided with a cross sliding track, and the compaction head (3) has a size smaller than that of the asphalt mixture test mold.
4. The asphalt mixture wheel compaction device according to claim 1, wherein the guide support (10) is a door-shaped support, a vertical guide hole is formed in the upper end of the guide support (10), the compaction rod (9) is arranged in the vertical guide hole, a compaction rod clamping groove (4) is formed in one side of the guide support (10), a guide ring with a cross section in the shape of the cross section of the compaction rod (9) is arranged on the compaction rod clamping groove (4), and the compaction rod (9) penetrates through the guide ring.
5. An asphalt mixture wheel compacting apparatus according to claim 1, wherein the lower end of the compacting rod (9) is welded or integrally formed with the compacting head (3).
6. The asphalt mixture wheel compaction device according to claim 1, wherein a base is arranged at the lower end of the guide bracket, the guide bracket is connected with the wheel mill base through a bolt, and the guide bracket is connected with the wheel mill main body bracket through a connecting rod (11).
7. The asphalt mixture wheel compaction device according to claim 1, wherein a compaction drive device placing platform (6) and a gear shaft frame are arranged on the guide support (10), the drive motor (5) is fixed on the compaction drive device placing platform (6), a rotatable gear shaft is arranged on the gear shaft frame, a half gear (8) is fixed at one end of the gear shaft, the half gear (8) can be meshed with the rack (15), a full gear is fixed at the other end of the gear shaft, an output gear is fixed on an output shaft of the drive motor (5), and the full gear is connected with the output gear through a chain (7).
8. The asphalt mixture wheel compaction device according to claim 1, wherein the compaction rod (9) and the compaction head (3) are both hollow structures, a heating wire (14) and a temperature measuring element are arranged in the compaction head (3), the heating wire (14) and the temperature measuring element are connected to the temperature control device through wires, and the wires penetrate through the compaction rod (9).
9. The asphalt mixture wheel compaction device according to claim 1, wherein a fixing table for fixing the test mold placing plate (2) to the lower end of the compaction wheel is arranged on one side of the wheel mill main body bracket on the sliding seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044219.2U CN211042886U (en) | 2019-11-22 | 2019-11-22 | Bituminous mixture wheel compaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044219.2U CN211042886U (en) | 2019-11-22 | 2019-11-22 | Bituminous mixture wheel compaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042886U true CN211042886U (en) | 2020-07-17 |
Family
ID=71568950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922044219.2U Expired - Fee Related CN211042886U (en) | 2019-11-22 | 2019-11-22 | Bituminous mixture wheel compaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849685A (en) * | 2019-11-22 | 2020-02-28 | 长安大学 | Asphalt mixture wheel rolling and compaction all-in-one machine and rolling and compaction method |
-
2019
- 2019-11-22 CN CN201922044219.2U patent/CN211042886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849685A (en) * | 2019-11-22 | 2020-02-28 | 长安大学 | Asphalt mixture wheel rolling and compaction all-in-one machine and rolling and compaction method |
| CN110849685B (en) * | 2019-11-22 | 2024-01-02 | 长安大学 | Asphalt mixture wheel grinding compaction all-in-one machine and grinding compaction method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20200717 Termination date: 20201122 |