Heating device for asphalt mixture paving construction

Abstract

The utility model discloses a heating device for asphalt mixture paving construction, and relates to the technical field of asphalt mixture heating, the heating device comprises a paver main body, the top surface of the paver main body is fixedly connected with a material receiving hopper, the left side and the right side, close to the material receiving hopper, of the top surface of the paver main body are fixedly connected with supporting vertical plates, and the supporting vertical plates are fixedly connected with the material receiving hopper. A supporting bottom plate is fixedly connected to the top faces of the two supporting vertical plates, a heating cylinder is fixedly connected to the top face of the supporting bottom plate, and an air outlet pipe is fixedly connected to the left side of the top face of the heating cylinder. Through cooperation of the first motor, the first bevel gear, the third bevel gear, the first rotating rod, the rotating disc, the spiral rod, the second connecting rod and the stirring rod, an asphalt mixture is preliminarily heated and stirred, and the spiral rod is rotationally matched with the conveying barrel to enable asphalt at the bottom of the inner wall of the heating barrel to move upwards; therefore, sufficient heat exchange can be carried out between asphalt on the upper layer and asphalt on the lower layer in the heating cylinder, and the heating efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt mixture heating, in particular to a heating device for asphalt mixture paving construction. Background Art

[0002] Asphalt is an organic cementing engineering material with good adhesion, plasticity, waterproofness and moisture resistance, and is therefore widely used in industry, transportation, water conservancy and civil engineering construction. Asphalt pavement refers to various types of pavements paved with road asphalt materials mixed into mineral materials. Asphalt binder improves the ability of paving aggregate to resist damage to the pavement caused by driving and natural factors, making the pavement smooth, dust-free, impermeable and durable; therefore, asphalt pavement is the most widely used high-grade pavement in road construction. Because asphalt is mostly in a semi-solid state, it is necessary to heat the asphalt to soften it and reach a usable state when it is used. The following problems exist in the existing technology:

[0003] Existing asphalt heating devices generally have problems of uneven heating and low heat conduction efficiency. When heating the asphalt, the softened asphalt will adhere to the inner wall of the heating cylinder, resulting in the loss of some asphalt. It is also inconvenient to clean the inside of the device, which has an adverse effect on the next use. Utility Model Content

[0004] The utility model provides a heating device for asphalt mixture paving construction to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A heating device for asphalt mixture paving construction comprises a paving machine body, the top surface of the paving machine body is fixedly connected to a material receiving hopper, the top surface of the paving machine body near the left and right sides of the paving machine body are fixedly connected to support upright plates, the top surfaces of the two support upright plates are fixedly connected to a support bottom plate, the top surface of the support bottom plate is fixedly connected to a heating cylinder, the left side of the top surface of the heating cylinder is fixedly connected to an air outlet pipe, the upper right side of the heating cylinder is fixedly connected to a feed box, the middle part of the top surface of the heating cylinder is fixedly connected to a protective box, the top of the inner wall of the heating cylinder is rotatably connected to a rotating sleeve, the top of the rotating sleeve passes through the heating cylinder into the protective box, a bevel gear two is fixedly sleeved on the upper part of the outer wall of the rotating sleeve, the inner wall of the rotating sleeve is rotatably connected to a rotating rod one, The top of the rotating rod one is rotatably connected to the top of the inner wall of the protection box, and a bevel gear three is fixedly sleeved on the upper outer wall of the rotating rod one. The right outer wall of the protection box is fixedly connected to a motor one, and the output rod of the motor one penetrates the protection box to the inside and is fixedly connected to the bevel gear one. The outer surface of the bevel gear three and the outer surface of the bevel gear two are both meshed with the outer surface of the bevel gear one. The bottom end of the rotating rod one is fixedly connected to a turntable, and a spiral rod is fixedly connected to the middle part of the bottom surface of the turntable. The bottom end of the spiral rod is rotatably connected to the bottom of the inner wall of the heating cylinder, and the bottom surface of the turntable is located at the outer ring of the spiral rod and is fixedly connected to a conveying cylinder. Connecting rods are fixedly connected to the left and right sides of the bottom surface of the turntable, and a number of stirring rods are fixedly connected to the upper and lower arrays on the opposite sides of the two connecting rods.

[0007] A further improvement of the technical solution of the utility model is that an air outlet is provided through the top surface of the heating cylinder at a position corresponding to the air outlet pipe, and a feed inlet is provided through the left side of the heating cylinder at a position corresponding to the outlet of the feed box.

[0008] A further improvement of the technical solution of the utility model is that a feed opening is provided through the rear side of the bottom of the inner wall of the heating cylinder, a feed opening is fixedly connected to the bottom surface of the heating cylinder at a position corresponding to the feed opening, and the bottom end of the feed opening passes through the supporting bottom plate to the receiving hopper.

[0009] A further improvement of the technical solution of the utility model is that two connecting rods 1 are fixedly connected symmetrically to the lower side of the outer wall of the rotating sleeve, and a connecting plate is fixedly connected to one end of the connecting rod 1 away from the rotating sleeve.

[0010] A further improvement of the technical solution of the utility model is that a scraper is fixedly connected to the side of the connecting plate away from the rotating sleeve, and the side of the scraper away from the connecting plate is movably connected to the inner wall of the heating cylinder.

[0011] A further improvement of the technical solution of the utility model is that: a second fixing plate is fixedly connected to the upper inner wall of the feed box, grooves are provided on the front and rear sides of the inner wall of the feed box, a sliding rod is fixedly connected to the inner wall of the groove, a sliding block is slidably connected to the lower outer wall of the sliding rod, and a spring is provided on the upper outer wall of the sliding rod.

[0012] A further improvement of the technical solution of the utility model is that: the opposite surfaces of the two sliding blocks are fixedly connected with a transverse plate, the top surface of the transverse plate is fixedly connected with a support plate, the top surface of the support plate is fixedly connected with a baffle, and the bottom surface of the baffle is movably connected to the top surface of the second fixed plate.

[0013] A further improvement of the technical solution of the utility model is that: a second motor is fixedly connected to the front side of the feed box, an output rod of the second motor passes through the feed box to the inside and is fixedly connected to a rotating shaft, a rear end of the rotating shaft is rotatably connected to the inner wall of the feed box, and cams are fixedly sleeved on both the front and rear sides of the outer wall of the rotating shaft.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a heating device for asphalt mixture paving construction, which performs preliminary heating and stirring on the asphalt mixture through the cooperation of motor 1, bevel gear 1, bevel gear 3, rotating rod 1, turntable, spiral rod, connecting rod 2, and stirring rod. The spiral rod rotates in coordination with the conveying cylinder to make the asphalt at the bottom of the inner wall of the heating cylinder move upward, so that sufficient heat exchange can be carried out between the upper and lower layers of the asphalt in the heating cylinder, thereby improving the heating efficiency.

[0016] 2. The utility model provides a heating device for asphalt mixture paving construction. The rotation of bevel gear one also drives bevel gear two to rotate in the opposite direction of bevel gear three. Through the cooperation of bevel gear one, bevel gear two, rotating sleeve, connecting rod one, connecting plate and scraper, asphalt attached to the inner wall of the heating cylinder can be scraped off, and at the same time, the asphalt mixture and the stirring rod can be prevented from moving in the same direction, thereby further mixing the asphalt mixture.

[0017] 3. The utility model provides a heating device for asphalt mixture paving construction. Through the cooperation of motor 2, rotating shaft, cam and cross plate, the cam supports the cross plate to move upward, and the cross plate drives the support plate and the baffle plate to move upward, so that the added asphalt enters the heating cylinder from the feed port, so that the asphalt can be fed in steps, making the feeding more uniform, improving the uniformity of mixing between the asphalt and other added raw materials, and at the same time improving the uniformity of asphalt heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the heating tube of the utility model;

[0020] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the feed box of the utility model;

[0022] Figure 5 For the utility model Figure 4 Enlarged structural diagram at B in the middle.

[0023] In the figure: 1. paver body; 11. receiving hopper; 2. supporting vertical plate; 21. supporting bottom plate; 3. heating cylinder; 31. protection box; 311. motor 1; 312. bevel gear 1; 32. rotating sleeve; 321. bevel gear 2; 322. connecting rod 1; 323. connecting plate; 324. scraper; 33. rotating rod 1; 331. bevel gear 3; 34. turntable; 341. screw rod; 342 , conveying cylinder; 343, connecting rod 2; 344, stirring rod; 35, air outlet; 36, feeding port; 37, discharge port; 38, discharge pipe; 4, air outlet pipe; 5, feeding box; 51, fixing plate 2; 52, groove; 521, sliding rod; 522, sliding block; 523, spring; 53, horizontal plate; 531, supporting plate; 532, baffle; 54, motor 2; 55, rotating shaft; 551, cam. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0025] like Figure 1-2As shown, the utility model provides a heating device for asphalt mixture paving construction, including a paver body 1, the top surface of the paver body 1 is fixedly connected with a receiving hopper 11, the top surface of the paver body 1 is fixedly connected with supporting upright plates 2 on both sides near the receiving hopper 11, the top surfaces of the two supporting upright plates 2 are fixedly connected with a supporting bottom plate 21, the top surface of the supporting bottom plate 21 is fixedly connected with a heating cylinder 3, the left side of the top surface of the heating cylinder 3 is fixedly connected with an air outlet pipe 4, the upper right side of the heating cylinder 3 is fixedly connected with a feed box 5, the middle part of the top surface of the heating cylinder 3 is fixedly connected with a protective box 31, the top of the inner wall of the heating cylinder 3 is rotatably connected with a rotating sleeve 32, the top of the rotating sleeve 32 passes through the heating cylinder 3 to the protective box 31, a bevel gear 2 321 is fixedly sleeved on the upper part of the outer wall of the rotating sleeve 32, the inner wall of the rotating sleeve 32 is rotatably connected with a rotating rod 1 33, the top of the rotating rod 1 33 The top of the inner wall of the protection box 31 is rotatably connected, a bevel gear three 331 is fixedly sleeved on the outer wall of the rotating rod 1 33, the right outer wall of the protection box 31 is fixedly connected to the motor 1 311, the output rod of the motor 1 311 penetrates the protection box 31 to the inside and is fixedly connected to the bevel gear 1 312, the outer surface of the bevel gear three 331 and the outer surface of the bevel gear two 321 are meshed with the outer surface of the bevel gear one 312, the bottom end of the rotating rod 1 33 is fixedly connected to the turntable 34, the middle part of the bottom surface of the turntable 34 is fixedly connected to the spiral rod 341, the bottom end of the spiral rod 341 is rotatably connected to the bottom of the inner wall of the heating cylinder 3, the bottom surface of the turntable 34 is located at the outer ring of the spiral rod 341 and is fixedly connected to the conveying cylinder 342, the left and right sides of the bottom surface of the turntable 34 are fixedly connected to the connecting rod two 343, and the opposite sides of the two connecting rods two 343 are fixedly connected to a plurality of stirring rods 344 in an upper and lower array.

[0026] The heating tube 3 is heated by the heating wire provided in the heating tube 3. During the heating process, the motor 1 311 can be turned on to drive the bevel gear 1 312 to rotate, and the bevel gear 3 331 can be driven to rotate by the bevel gear 1 312, and then the rotating rod 1 33 is driven to rotate by the bevel gear 331, and the turntable 34 is driven to rotate by the rotating rod 1 33, and then the screw rod 341 and the connecting rod 2 343 are driven to rotate, and the asphalt mixture is preliminarily stirred by the stirring rod 344 on the outer wall of the connecting rod 2 343, and the asphalt at the bottom of the inner wall of the heating tube 3 is moved upward by the rotation of the screw rod 341 and the transmission tube 342, so that sufficient heat exchange can be carried out between the upper and lower layers of the asphalt in the heating tube 3, thereby improving the heating efficiency.

[0027] like Figure 3As shown, the utility model provides a technical solution: preferably, an air outlet 35 is provided on the top surface of the heating cylinder 3 at a position corresponding to the air outlet pipe 4, a feed port 36 is provided on the left side of the heating cylinder 3 at a position corresponding to the outlet of the feed box 5, a discharge port 37 is provided on the rear side of the bottom of the inner wall of the heating cylinder 3, a discharge pipe 38 is fixedly connected to the position corresponding to the discharge port 37 on the bottom surface of the heating cylinder 3, the bottom end of the discharge pipe 38 passes through the supporting bottom plate 21 to the receiving hopper 11, two connecting rods 322 are fixedly connected to the lower left and right sides of the outer wall of the rotating sleeve 32, one end of the connecting rod 322 away from the rotating sleeve 32 is fixedly connected to a connecting plate 323, a side of the connecting plate 323 away from the rotating sleeve 32 is fixedly connected to a scraper 324, and a side of the scraper 324 away from the connecting plate 323 is movably connected to the inner wall of the heating cylinder 3;

[0028] The rotation of bevel gear 1 312 also drives bevel gear 2 321 to rotate in the opposite direction of bevel gear 3 331. The rotation of bevel gear 2 321 drives rotating sleeve 32 to rotate. The rotating sleeve 32 drives connecting rod 1 322 to rotate. Then, the connecting rod 1 322 drives connecting plate 323 and scraper 324 to rotate, so as to scrape off the asphalt attached to the inner wall of heating cylinder 3. At the same time, it can also prevent the asphalt mixture and stirring rod 344 from moving in the same direction, so as to further mix the asphalt mixture.

[0029] like Figure 4-5 As shown, the utility model provides a technical solution: preferably, a fixing plate 51 is fixedly connected to the upper inner wall of the feed box 5, and grooves 52 are provided on the front and rear sides of the inner wall of the feed box 5, and a sliding rod 521 is fixedly connected to the inner wall of the groove 52, and a sliding block 522 is slidably connected to the lower outer wall of the sliding block 521, and a spring 523 is movably sleeved on the upper outer wall of the sliding block 521, and a cross plate 53 is fixedly connected to the opposite surfaces of the two sliding blocks 522, and a supporting plate 531 is fixedly connected to the top surface of the cross plate 53, and a baffle 532 is fixedly connected to the top surface of the supporting plate 531, and the bottom surface of the baffle 532 is movably connected to the top surface of the fixing plate 51, and a motor 54 is fixedly connected to the front side of the feed box 5, and the output rod of the motor 54 passes through the feed box 5 to the inside and is fixedly connected to a rotating shaft 55, and the rear end of the rotating shaft 55 is rotatably connected to the inner wall of the feed box 5, and cams 551 are fixedly sleeved on the front and rear sides of the outer wall of the rotating shaft 55;

[0030] By starting the second motor 54, the rotating shaft 55 is driven to rotate, and the rotating shaft 55 drives the cam 551 to rotate close to the horizontal plate 53, and then the horizontal plate 53 is supported to move upward by the cam 551, and the support plate 531 and the baffle 532 are driven to move upward by the horizontal plate 53, so that the added asphalt enters the heating cylinder 3 from the feed port 36, so that the asphalt can be fed in steps, making the feeding more uniform, improving the uniformity of mixing between the asphalt and other added raw materials, and at the same time improving the uniformity of asphalt heating.

[0031] The working principle of the heating device for asphalt mixture paving construction will be described in detail below.

[0032] like Figure 1-5 As shown, when in use, the heating cylinder 3 is first heated by the heating wire provided on the heating cylinder 3 itself. During the heating process, the motor 1 311 can be turned on to drive the bevel gear 1 312 to rotate, and the bevel gear 312 drives the bevel gear 331 to rotate, and then the bevel gear 331 drives the rotating rod 1 33 to rotate, and the rotating rod 1 33 drives the turntable 34 to rotate, and then drives the screw rod 341 and the connecting rod 2 343 to rotate, and the asphalt mixture is preliminarily stirred by the stirring rod 344 on the outer wall of the connecting rod 2 343, and the asphalt at the bottom of the inner wall of the heating cylinder 3 moves upward through the rotation of the screw rod 341 and the transmission cylinder 342, so that the asphalt in the upper and lower layers of the heating cylinder 3 can be fully heat exchanged, thereby improving the heating efficiency, and at the same time, the rotation of the bevel gear 1 312 also drives the bevel gear 2 321 to rotate in the opposite direction of the bevel gear 331. The rotating sleeve 32 is rotated by rotating the bevel gear 2 321, and the connecting rod 1 322 is driven to rotate by the rotating sleeve 32, and the connecting plate 323 and the scraper 324 are driven to rotate by the connecting rod 1 322 to scrape the asphalt attached to the inner wall of the heating cylinder 3, and at the same time, the asphalt mixture and the stirring rod 344 can be prevented from moving in the same direction, so as to further mix the asphalt mixture, and the rotating shaft 55 is driven to rotate by starting the motor 2 54, and the cam 551 is driven by the rotating shaft 55 to rotate close to the cross plate 53, and then the cross plate 53 is supported to move upward by the cam 551, and the support plate 531 and the baffle 532 are driven to move upward by the cross plate 53, so that the added asphalt enters the heating cylinder 3 from the feed port 36, so that the asphalt can be discharged in steps, so that the discharge is more uniform, and the uniformity of mixing between the asphalt and other added raw materials is improved.

[0033] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A heating device for asphalt mixture paving construction, comprising a paving machine body (1), characterized in that: The top surface of the paving machine body (1) is fixedly connected to a receiving hopper (11), the top surface of the paving machine body (1) is fixedly connected to supporting upright plates (2) on both left and right sides close to the receiving hopper (11), the top surfaces of the two supporting upright plates (2) are fixedly connected to supporting bottom plates (21), the top surface of the supporting bottom plates (21) is fixedly connected to a heating cylinder (3), the left side of the top surface of the heating cylinder (3) is fixedly connected to an air outlet pipe (4), and the upper right side of the heating cylinder (3) is fixedly connected to a feeding box (5), A protective box (31) is fixedly connected to the middle of the top surface of the heating tube (3); a rotating sleeve (32) is rotatably connected to the top of the inner wall of the heating tube (3); the top end of the rotating sleeve (32) passes through the heating tube (3) into the protective box (31); a bevel gear 2 (321) is fixedly sleeved on the upper part of the outer wall of the rotating sleeve (32); a rotating rod 1 (33) is rotatably connected to the inner wall of the rotating sleeve (32); the top end of the rotating rod 1 (33) is rotatably connected to the top of the inner wall of the protective box (31). The outer wall of the rotating rod 1 (33) is fixedly sleeved with a bevel gear 3 (331), the right outer wall of the protection box (31) is fixedly connected with a motor 1 (311), the output rod of the motor 1 (311) passes through the protection box (31) to the inside and is fixedly connected with a bevel gear 1 (312), the outer surface of the bevel gear 3 (331) and the outer surface of the bevel gear 2 (321) are both meshed with the outer surface of the bevel gear 1 (312), and the bottom end of the rotating rod 1 (33) is fixedly connected with the rotating rod 1 (33). The rotating disk (34) is fixedly connected to a spiral rod (341) in the middle of the bottom surface of the rotating disk (34), the bottom end of the spiral rod (341) is rotatably connected to the bottom of the inner wall of the heating cylinder (3), the bottom surface of the rotating disk (34) is located at the outer ring of the spiral rod (341) and is fixedly connected to a conveying cylinder (342), the left and right sides of the bottom surface of the rotating disk (34) are fixedly connected to connecting rods (343), and the opposite sides of the two connecting rods (343) are fixedly connected to a plurality of stirring rods (344) in an upper and lower array.

2. The heating device for asphalt mixture paving construction according to claim 1, characterized in that: An air outlet (35) is provided through the top surface of the heating cylinder (3) at a position corresponding to the air outlet pipe (4), and a feed inlet (36) is provided through the left side of the heating cylinder (3) at a position corresponding to the outlet of the feed box (5).

3. The heating device for asphalt mixture paving construction according to claim 1, characterized in that: A material discharge port (37) is provided through the rear side of the bottom of the inner wall of the heating cylinder (3), and a material discharge pipe (38) is fixedly connected to the bottom surface of the heating cylinder (3) at a position corresponding to the material discharge port (37), and the bottom end of the material discharge pipe (38) passes through the supporting bottom plate (21) to the receiving hopper (11).

4. The heating device for asphalt mixture paving construction according to claim 1, characterized in that: Two connecting rods (322) are fixedly connected to the lower part of the outer wall of the rotating sleeve (32) in a symmetrical manner. One end of the connecting rod (322) away from the rotating sleeve (32) is fixedly connected to a connecting plate (323).

5. The heating device for asphalt mixture paving construction according to claim 4 is characterized in that: A scraper (324) is fixedly connected to the side of the connecting plate (323) away from the rotating sleeve (32), and a side of the scraper (324) away from the connecting plate (323) is movably connected to the inner wall of the heating cylinder (3).

6. The heating device for asphalt mixture paving construction according to claim 1, characterized in that: A second fixing plate (51) is fixedly connected to the upper inner wall of the feed box (5), grooves (52) are provided on both the front and rear sides of the inner wall of the feed box (5), a sliding rod (521) is fixedly connected to the inner wall of the groove (52), a sliding block (522) is slidably connected to the lower outer wall of the sliding rod (521), and a spring (523) is movably sleeved on the upper outer wall of the sliding rod (521).

7. The heating device for asphalt mixture paving construction according to claim 6, characterized in that: The opposite surfaces of the two sliding blocks (522) are fixedly connected with a transverse plate (53), the top surface of the transverse plate (53) is fixedly connected with a support plate (531), the top surface of the support plate (531) is fixedly connected with a baffle plate (532), and the bottom surface of the baffle plate (532) is movably connected with the top surface of the second fixed plate (51).

8. The heating device for asphalt mixture paving construction according to claim 1, characterized in that: The front side of the feed box (5) is fixedly connected to a second motor (54), an output rod of the second motor (54) passes through the feed box (5) to the inside and is fixedly connected to a rotating shaft (55), a rear end of the rotating shaft (55) is rotatably connected to the inner wall of the feed box (5), and cams (551) are fixedly sleeved on both the front and rear sides of the outer wall of the rotating shaft (55).

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