CN215800765U - Warm mix asphalt concrete pavement construction transversal joint preheating device - Google Patents
Warm mix asphalt concrete pavement construction transversal joint preheating device Download PDFInfo
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- CN215800765U CN215800765U CN202122245985.2U CN202122245985U CN215800765U CN 215800765 U CN215800765 U CN 215800765U CN 202122245985 U CN202122245985 U CN 202122245985U CN 215800765 U CN215800765 U CN 215800765U
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- reation kettle
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- concrete pavement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to the technical field of road construction, and discloses a preheating device for a construction transverse joint of a warm-mixed asphalt concrete pavement, which comprises the following components: the base, the fixed reation kettle that places of base up end, reation kettle front side wall fixed embedding install glass and survey the mouth, reation kettle top activity joint has reation kettle cover, and reation kettle cover intermediate position is fixed and has been seted up the third through-hole, reation kettle cover intermediate position fixedly connected with heating stirring subassembly. According to the utility model, when the device stops working, the long bolt can be screwed out through the first through hole, the servo motor is disassembled for maintenance, the reaction kettle cover and the stirring rod sleeved on the third through hole are disassembled together by lifting the handle upwards, and the heating rod on the stirring rod and the inner cavity of the reaction kettle are washed in time, so that asphalt is prevented from being cooled, solidified and caked on the outer wall of the heating rod and the inner cavity of the reaction kettle, the subsequent use is influenced, the use efficiency of the device is improved, and the device is practical and suitable for wide popularization and use.
Description
Technical Field
The utility model relates to the technical field of road construction, in particular to a preheating device for a construction transverse joint of a warm-mix asphalt concrete pavement.
Background
The construction joints (transverse joints and longitudinal joints) of the asphalt concrete pavement are a key point of pavement construction, and generally require that the joints are vertically arranged, the joints of the pavement constructed twice after construction need to be firmly bonded and compactly rolled, the flatness is less than a standard value, and the flatness cannot be attenuated in operation. In fact, because the joints are designed vertically, gaps are easy to form when the asphalt mixture is filled; in addition, the paved asphalt concrete pavement is already at normal temperature, the heat loss of the newly paved hot mixture is more than that of the normal road section by one joint interface, so that the temperature of the mixture is rapidly reduced after paving, the rolling quality is not easy to guarantee, and the joint quality is influenced. The mixing temperature of the warm-mixed asphalt concrete and the warm-mixed flame-retardant asphalt concrete is generally 110-130 ℃, the paving temperature is generally 90-110 ℃, and the construction temperature is 20-30 ℃ lower than that of common asphalt concrete. The construction of the warm-mixed asphalt concrete pavement and the construction of the warm-mixed flame-retardant asphalt concrete pavement transverse (longitudinal) joints is the same as that of the common asphalt concrete, but the heat loss at the joints is the same, but the discharge temperature and the paving temperature are lower, so the temperature change at the joints is more obvious, the construction quality control is more difficult, and the construction of the combination of new and old asphalt concrete at the transverse joints and the compaction of the asphalt concrete are not facilitated.
Through retrieval application number 201921499407.8 a heating device of warm mix asphalt concrete production, the loach carrying platform comprises a supporting fram, the right side fixedly connected with mixing box of support frame upper surface, the top fixedly connected with intake pipe of mixing box left surface, the port department fixedly connected with filter screen of intake pipe, the first hot plate of both ends fixedly connected with about the mixing box inboard, the fixedly connected with motor of centre department of mixing box upper surface, the centre department of the inboard upper end of mixing box rotates and is connected with the connector, just the motor pass through the transmission shaft with the connector is connected, the bottom fixedly connected with agitator of connector.
However, the inventor finds that the technical scheme still has at least the following defects:
first, pitch concentration ratio is higher, and the device hot plate is through heating the mixing box, and indirect pitch to in the mixing box heats, and its heating effect is general, can't satisfy the temperature requirement in the short time, and work efficiency is low.
Second, the device sealing connection, can't be to the dismantlement maintenance and the change of the device inner chamber part, and the later stage use is accomplished the back, and the inner chamber washs the degree of difficulty great, influences the secondary and uses.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a preheating device for a construction transverse joint of a warm-mix asphalt concrete pavement, which solves the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a warm mix asphalt concrete pavement construction transversal joint preheating device, includes: the base, base bottom four corners is fixed all to be connected with the universal wheel, the fixed reation kettle that places of base up end, the fixed embedding of lateral wall installs glass observation mouth before the reation kettle, reation kettle top activity joint has reation kettle lid, and reation kettle lid intermediate position is fixed and has been seted up the third through-hole, reation kettle lid intermediate position fixedly connected with adds heat stirring subassembly, the fixed discharge gate of having seted up of reation kettle bottom outer wall, the terminal fixedly connected with shower nozzle in discharge gate bottom.
As a preferred embodiment of the utility model, the heating and stirring assembly comprises a fixed column fixedly welded at the upper end of the middle position of the reaction kettle cover, a first through hole is fixedly formed in the right side wall of the fixed column, a servo motor fixedly connected to the upper end of the fixed column, a stirring rod with one end vertically sleeved at the output end of the servo motor, the other end of the stirring rod penetrates through a third through hole in the inner cavity of the reaction kettle, a heating rod transversely welded on the side wall of the lower end of the stirring rod, and a temperature sensor fixedly embedded at the tail end of the bottom of the stirring rod.
In a preferred embodiment of the present invention, the top of the stirring rod is fixedly provided with a groove, and the side wall of the top of the stirring rod is provided with a threaded hole.
In a preferred embodiment of the utility model, a threaded hole is formed in the side wall of the bottom of the output end of the servo motor in a penetrating manner, and a long bolt is screwed in the threaded hole in the bottom of the output end of the servo motor and the threaded hole in the side wall of the top of the stirring rod.
As a preferred embodiment of the utility model, a feed inlet is fixedly formed in the left side of the reaction kettle cover.
As a preferred embodiment of the present invention, a second through hole is formed through the middle position of the base, and the discharge port is movably sleeved in the second through hole.
As a preferred embodiment of the utility model, handles are fixedly welded at both ends of the left side wall of the reaction kettle cover.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model relates to a preheating device for a transverse joint in warm-mix asphalt concrete pavement construction, in the specific working process, asphalt flows into an inner cavity of a reaction kettle through a feeding hole, an output end of a servo motor drives a stirring rod to rotate, a heating rod on a stirring side wall directly contacts with the asphalt according to the real-time temperature of the asphalt acquired by a temperature sensor to heat the asphalt in real time, so that the temperature of the asphalt is always kept in a certain temperature range, the stirring rod continuously stirs the asphalt in the reaction kettle, the asphalt is uniformly heated in the reaction kettle, the phenomenon that the asphalt is caked is avoided, the stirred asphalt is sprayed by a spray head at the bottom of a discharging hole according to the actual requirement to the actually required quantity, the asphalt waste is avoided, and the working efficiency is improved.
2. The utility model relates to a pre-heating device for a transverse joint in warm mix asphalt concrete pavement construction, which is characterized in that in the specific working process, when the device stops working, a long bolt can be screwed out through a first through hole, a servo motor is disassembled for maintenance, a reaction kettle cover and a stirring rod sleeved on a third through hole are disassembled through lifting a handle upwards, a heating rod on the stirring rod and an inner cavity of the reaction kettle are washed in time, asphalt is prevented from being cooled, solidified and caked on the outer wall of the heating rod and the inner cavity of the reaction kettle, the subsequent use is prevented from being influenced, and the use efficiency of the device is improved.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a pre-heating device for a transverse joint in warm mix asphalt concrete pavement construction according to the present invention;
FIG. 2 is a schematic cross-sectional view of a pre-heating device for a transverse joint in warm mix asphalt concrete pavement construction according to the present invention;
FIG. 3 is an enlarged schematic structural view of a position A of the preheating device for a transverse joint in warm mix asphalt concrete pavement construction;
in the figure: 1. a base; 2. a universal wheel; 3. a reaction kettle; 4. a glass observation port; 5. a feed inlet; 6. fixing a column; 7. a servo motor; 8. a reaction kettle cover; 9. a handle; 10. a stirring rod; 11. a heating rod; 12. a temperature sensor; 13. a discharge port; 14. a spray head; 15. a long bolt; 16. a groove; 17. a first through hole; 18. a second through hole; 19. a third via.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a warm mix asphalt concrete pavement construction transversal joint preheating device, includes: the reaction kettle 3 is fixedly arranged on the upper end surface of the base 1, the glass observation port 4 is fixedly embedded in the front side wall of the reaction kettle 3, the stirring operation condition of asphalt in the reaction kettle 3 can be conveniently observed and recorded through the glass observation port 4, the problems can be timely treated, and unnecessary loss is avoided; a reaction kettle cover 8 is movably clamped at the top of the reaction kettle 3, a third through hole 19 is fixedly formed in the middle of the reaction kettle cover 8, and subsequent components can conveniently penetrate through and be fixed on the third through hole 19 in the reaction kettle cover 8; the heating and stirring assembly is fixedly connected with the middle position of the reaction kettle cover 8, the heating and stirring assembly comprises a fixed column 6 fixedly welded at the upper end of the middle position of the reaction kettle cover 8, a first through hole 17 is fixedly formed in the right side wall of the fixed column 6, a servo motor 7 fixedly connected at the upper end of the fixed column 6, a stirring rod 10 with one end vertically sleeved at the output end of the servo motor 7, the other end of the stirring rod 10 penetrates through a third through hole 19 in the inner cavity of the reaction kettle 3, a heating rod 11 transversely welded on the side wall of the lower end of the stirring rod 10 and a temperature sensor 12 fixedly embedded at the tail end of the bottom of the stirring rod 10 are arranged, the heating rod 11 on the stirring rod 10 is driven by the servo motor 7 to rotate, the heating rod 11 can be effectively and directly contacted with asphalt, the asphalt heating time of the asphalt is shortened, the asphalt heating efficiency is improved, and the asphalt temperature in the inner cavity of the reaction kettle 3 is uniform by the continuous stirring of the stirring rod 10, the problem that the asphalt cannot be used due to agglomeration caused by uneven temperature is avoided.
Referring to fig. 3, in this embodiment, a threaded hole is formed through a side wall of the bottom of the output end of the servo motor 7, and a long bolt 15 is screwed in the threaded hole at the bottom of the output end of the servo motor 7 and the threaded hole at the side wall of the top of the stirring rod 10, so that the stirring rod 10 is fixed at the bottom of the output end of the servo motor 7 by screwing the long bolt 15, the stirring rod 10 is driven by the servo motor to rotate, and the long bolt 15 is unscrewed to disconnect the stirring rod 10 from the servo motor 7, so that the servo motor 7 is maintained and replaced in time; in specific implementation mode, puddler 10 top is fixed to be seted up fluted 16, and puddler 10 top lateral wall runs through and sets up threaded hole, makes things convenient for servo motor 7 output to fix in the recess 16 at puddler 10 top to twist through stay bolt 15 and close in the threaded hole, and fixed to it, increase servo motor 7 and drive puddler 10 and rotate steadily.
Referring to fig. 1-2, in the present configuration, a discharge port 13 is fixedly formed on an outer wall of the bottom of the reaction kettle 3, and a nozzle 14 is fixedly connected to a bottom end of the discharge port 13, so that the outflow of asphalt is conveniently controlled by the nozzle, and the increase of production cost due to the waste of asphalt outflow caused by manually closing a valve during the outflow of asphalt is avoided; furthermore, a second through hole 18 penetrates through the middle position of the base 1, and the discharge port 13 is movably sleeved in the second through hole 18, so that asphalt in the discharge port 13 conveniently flows into a concrete pavement for construction operation, and the working efficiency of the device is improved; in the arrangement, the feed inlet 5 is fixedly formed in the left side position of the reaction kettle cover 8, so that the device can conveniently add materials through the feed inlet 5 during working, and the influence on the stable operation of the device is avoided; both ends of the side wall of the left side of the reaction kettle cover 8 are fixedly welded with handles 9, the reaction kettle cover 8 can be effectively installed and disassembled through the handles 9, the operation is simple, and the working efficiency of the device is improved.
The implementation principle of the warm mix asphalt concrete pavement construction transverse joint preheating device in the embodiment of the application is as follows: in the specific working process, asphalt flows into the inner cavity of the reaction kettle 3 through the feeding hole 5, the output end of the servo motor 7 drives the stirring rod 10 to rotate, the heating rod 11 on the side wall of the stirring rod 10 is in direct contact with the asphalt according to the real-time temperature of the asphalt acquired by the temperature sensor 12 to heat the asphalt in real time, so that the temperature of the asphalt is always kept in a certain temperature range, the stirring rod 10 continuously stirs the asphalt in the reaction kettle 3, the asphalt is uniformly heated in the reaction kettle 3, the phenomenon that the asphalt is caked is avoided, the stirred asphalt is sprayed out by the spray nozzle 14 at the bottom of the discharging hole 13 according to the actual requirement, the actually required quantity is avoided, the asphalt waste is avoided, and the working efficiency is improved; in specific working process, when the device stop work, the first through-hole of accessible 17 unscrews long bolt 15, dismantle servo motor 7 and go on maintaining and maintaining, pull handle 9 through upwards carrying and dismantle out with reation kettle lid 8 together with the puddler 10 of cup jointing on third through-hole 19, and in time wash heating rod 11 and 3 inner chambers of reation kettle on the puddler 10, avoid pitch on 11 outer walls of heating rod and on 3 inner chambers of reation kettle cooling solidification caking, influence subsequent use, the availability factor of high-speed device.
Example two:
referring to fig. 1, four corners of the bottom of a base 1 are fixedly connected with universal wheels 2, so that the device is convenient for workers to operate, the difficulty of manual operation is reduced, the application range of the device is expanded, and the simplicity and comfort of the manual operation are improved.
It should be noted that the utility model is a preheating device for a transverse joint in warm mix asphalt concrete pavement construction, each part is a universal standard part or a part known by those skilled in the art, and the structure and principle of the preheating device can be known by technical manuals or conventional experimental methods.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a warm mix asphalt concrete pavement construction transversal joint preheating device which characterized in that includes: base (1), base (1) bottom four corners is fixed all to be connected with universal wheel (2), base (1) up end is fixed places reation kettle (3), and reation kettle (3) preceding lateral wall fixed embedding is installed glass and is surveyd mouth (4), reation kettle (3) top activity joint has reation kettle lid (8), and third through-hole (19) have been seted up to reation kettle lid (8) intermediate position is fixed, reation kettle lid (8) intermediate position fixedly connected with heating stirring subassembly, reation kettle (3) bottom outer wall is fixed has seted up discharge gate (13), discharge gate (13) bottom end fixedly connected with shower nozzle (14).
2. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 1, characterized in that: heating stirring subassembly is including fixed column (6) of fixed welding in reation kettle lid (8) intermediate position upper end, and fixed column (6) right side wall on the fixed first through-hole (17) of having seted up, servo motor (7) of fixed connection in fixed column (6) upper end, the vertical puddler (10) of cup jointing at servo motor (7) output of one end, and puddler (10) other end runs through third through-hole (19) in reation kettle (3) inner chamber, heating rod (11) and fixed embedding of horizontal welding on puddler (10) lower extreme lateral wall are installed at terminal temperature sensor (12) in puddler (10) bottom.
3. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 2, characterized in that: the top of the stirring rod (10) is fixedly provided with a groove (16), and the side wall of the top of the stirring rod (10) is provided with a threaded hole in a penetrating mode.
4. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 2, characterized in that: threaded holes are formed in the side wall of the bottom of the output end of the servo motor (7) in a penetrating mode, and long bolts (15) are screwed in the threaded holes in the bottom of the output end of the servo motor (7) and the threaded holes in the side wall of the top of the stirring rod (10).
5. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 1, characterized in that: a feed inlet (5) is fixedly arranged at the left side of the reaction kettle cover (8).
6. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 1, characterized in that: a second through hole (18) is formed in the middle of the base (1) in a penetrating mode, and the discharge hole (13) is movably sleeved in the second through hole (18).
7. The warm mix asphalt concrete pavement construction transverse joint preheating device according to claim 1, characterized in that: both ends of the side wall of the left side of the reaction kettle cover (8) are fixedly welded with handles (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122245985.2U CN215800765U (en) | 2021-09-16 | 2021-09-16 | Warm mix asphalt concrete pavement construction transversal joint preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122245985.2U CN215800765U (en) | 2021-09-16 | 2021-09-16 | Warm mix asphalt concrete pavement construction transversal joint preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215800765U true CN215800765U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122245985.2U Active CN215800765U (en) | 2021-09-16 | 2021-09-16 | Warm mix asphalt concrete pavement construction transversal joint preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215800765U (en) |
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2021
- 2021-09-16 CN CN202122245985.2U patent/CN215800765U/en active Active
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