Anti-blocking asphalt cold recycling machine spraying pipe

Abstract

The utility model discloses an anti-blocking asphalt cold recycling machine spraying pipe which comprises a stirring tank, a spraying pipe body is installed at the bottom end of the stirring tank, a valve pipe is installed on one side of the bottom end of the spraying pipe body, and a spraying head is installed at the bottom end of the valve pipe. An anti-blocking mechanism is arranged in one end of the spraying pipe body, and a fixing mechanism is arranged in one side of the spraying pipe body; wherein the anti-blocking mechanism comprises a rotating rod rotationally connected to the interior of one end of the spraying pipe body, spiral teeth are welded to the outer side of the rotating rod, a groove is formed in the bottom end of the stirring tank, fan blades are fixedly connected to the top end of the rotating rod, and the fan blades are matched with the spiral teeth, so that the effect of rapidly conveying raw materials can be achieved; and the conveyed raw materials are scattered and stirred again through the stirring blades, so that the phenomenon that the raw materials are blocked in the spraying pipe body due to caking can be greatly reduced, and the raw material conveying speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete cold regeneration, in particular to an anti-clogging spray pipe of an asphalt cold regeneration machine. Background Art

[0002] Asphalt pavement cold recycling technology is a common asphalt pavement maintenance method, which can effectively extend the service life of asphalt pavement. The crushed waste asphalt particles, newly added aggregates, water and stabilizers are mixed and stirred inside the mixing tank, and the raw asphalt mixture is discharged through the discharge port. The transmission pipe transmits the recycled asphalt mixture from the mixing tank to the spray pipe. Finally, the spray pipe evenly sprays or puts the recycled asphalt mixture into the asphalt road regeneration area to complete the regeneration process.

[0003] Publication No. CN217052920U discloses an asphalt concrete cold regeneration device, which drives a stirring rod and a stirring blade to rotate by a motor, and stirs and mixes the asphalt concrete and the emulsion by the stirring blade. While the stirring rod rotates, the rotation of the drum can be realized by the cooperation of the spur gear and the mounting rod. The drum can drive the scraper to rotate through the connecting rod. The scraper can increase the mixing efficiency of the asphalt concrete and the emulsion, and the scraper fits the inner wall of the mixing drum, and can scrape off the asphalt mixture adhered to the inner wall of the mixing drum, so as to prevent the cold recycled asphalt concrete from remaining on the inner wall of the mixing drum, which can effectively save resources. However, the patent still has the following problems in actual use:

[0004] The rotating drum of the device can drive the scraper to rotate through the connecting rod. The scraper can increase the mixing efficiency of asphalt concrete and emulsion, and can scrape off the asphalt mixture adhering to the inner wall of the mixing drum. However, the device does not have a spray pipe anti-blocking structure. If the raw materials are not mixed evenly and lumps are produced, it may cause blockage inside the top of the spray pipe, causing inconvenience to the staff when using it.

[0005] The invention provides an anti-clogging spray pipe of an asphalt cold recycling machine in order to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide an anti-clogging asphalt cold regeneration machine spray pipe to solve the problem proposed in the above-mentioned background technology that a scraper can be driven to rotate by a connecting rod, the scraper can increase the mixing efficiency of asphalt concrete and emulsion, and can scrape off the asphalt mixture adhered to the inner wall of the mixing drum, but the device does not have a spray pipe anti-clogging structure. If the raw materials are not mixed evenly and agglomerated raw materials are produced, it may cause blockage inside the top of the spray pipe, which brings inconvenience to the staff when using it.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging asphalt cold regeneration machine spray pipe, comprising a mixing tank, a spray pipe body is installed at the bottom end of the mixing tank, a valve pipe is installed on one side of the bottom end of the spray pipe body, and a nozzle is installed at the bottom end of the valve pipe; an anti-clogging mechanism is arranged inside one end of the spray pipe body, and a fixing mechanism is arranged inside one side of the spray pipe body;

[0008] Among them, the anti-blocking mechanism includes a rotating rod rotatably connected to the inside of one end of the spray pipe body, and the outer side of the rotating rod is welded with spiral teeth, and a groove is opened inside the bottom end of the stirring tank, and the top of the rotating rod is fixedly connected with fan blades, and a first rotating wheel is installed on the outer side of the bottom end of the rotating rod, and a rotating rod is rotatably connected to the inside of one end of the spray pipe body, and stirring blades are symmetrically installed on the outer side of the rotating rod, and a second rotating wheel is installed on the outer side of the bottom end of the rotating rod, and a belt is sleeved between the outer sides of the first rotating wheel and the second rotating wheel, and a motor is installed at the bottom end of the rotating rod.

[0009] Preferably, a fixing sleeve is installed on the outer side of the top of the rotating rod, and support rods are symmetrically fixedly connected to both sides of the fixing sleeve, and a scraper is fixedly connected to one end of the support rod away from the fixing sleeve, and one side of the scraper fits against the inner side of the groove.

[0010] Preferably, the fixing mechanism includes a fixing plate which is snap-connected to the inside of one side of the spray pipe body, and a mounting box is symmetrically fixedly connected to the inside of one end of the spray pipe body, and a fixing box is installed on one side of the mounting box, and a worm is rotatably connected to the inside of the mounting box, and a connecting rod is rotatably connected to the inside of the mounting box, and a worm wheel is installed on the outside of the connecting rod, and the worm and the worm wheel are meshingly connected, and a movable plate is slidably connected to the inside of the fixing box, and a clamping plate is symmetrically fixedly connected to one side of the movable plate, and the clamping plate and both sides of the fixing plate are clearance-fitted, and a mounting tube is fixedly connected to one side of the clamping plate, and a screw is threadedly connected to the inside of the mounting tube.

[0011] Preferably, telescopic rods are symmetrically installed between the movable plate and the installation box, and contraction springs are sleeved on the outer sides of the telescopic rods.

[0012] Preferably, a sealing ring is provided between the fixing plate and the spray pipe body.

[0013] Preferably, one end of the screw rod away from the mounting tube is fixedly connected to the connecting rod.

[0014] Preferably, the top end of the motor is fixedly connected to the spray pipe body.

[0015] Compared with the prior art, the beneficial effect of the utility model is as follows: the anti-clogging asphalt cold regeneration machine spray pipe, the specific contents of which are as follows: the flow rate of raw materials inside the bottom of the mixing tank can be increased by rotating the fan blades, and the spiral teeth can be used to stir the raw materials during transmission, and then the raw materials in transmission are broken up and stirred again by the stirring blades, thereby greatly reducing the phenomenon of raw material agglomeration and clogging inside the spray pipe body, thereby increasing the raw material transmission speed and greatly improving the feeding efficiency of recycled raw materials. The worm gear is driven by rotating the worm, and the screw drives the movement of the mounting pipe, thereby making the movable plate slide inside the fixed box, so that the card plate and the two ends of the fixed plate are engaged and connected, thereby achieving the effect of quickly installing and disassembling the fixed plate, thereby facilitating the subsequent staff to clear and repair the inside of the spray pipe body, thereby improving the maintenance efficiency of the device.

[0016] 1. The rotation of the rotating rod drives the rotation of the spiral teeth, and at this time, the rotation of the rotating rod drives the rotation of the fan blades, and then the rotation of the rotating rod drives the rotation of the first wheel, and the first wheel, the second wheel and the belt cooperate to drive the rotation of the rotating rod. The rotation of the fan blades can increase the flow rate of the raw materials inside the bottom of the mixing tank, and cooperate with the spiral teeth to achieve the effect of rapid transmission of the raw materials, and the spiral teeth can stir the raw materials during the transmission process, and then the stirring blades can break up and stir the raw materials in the transmission again, so as to greatly reduce the phenomenon of raw material agglomeration blocking the inside of the spray pipe body, thereby improving the raw material transmission speed, greatly improving the feeding efficiency of recycled raw materials, and bringing convenience to the staff when using it. The rotation of the rotating rod drives the rotation of the fixed sleeve, and the rotation of the fixed sleeve drives the rotation of the support rod, and the rotation of the support rod drives the rotation of the scraper, so as to scrape the residual raw materials inside the groove, thereby reducing the risk of blockage, and bringing practicality to the staff when using it;

[0017] 2. The staff inserts the fixed plate into one side of the spray pipe body, and then rotates the worm to drive the worm wheel, the rotation of the worm wheel drives the rotation of the connecting rod, the rotation of the connecting rod drives the rotation of the screw, and the rotation of the screw drives the movement of the installation pipe, so that the movable plate slides inside the fixed box, so that the card plate and the two ends of the fixed plate are engaged and connected, so as to achieve the effect of quickly installing and removing the fixed plate, so as to facilitate the subsequent staff to clear the blockage and repair the inside of the spray pipe body, improve the maintenance efficiency of the device, and bring convenience to the staff when using it. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2This is a schematic diagram of the overall structure of the anti-blocking mechanism in the utility model;

[0020] Figure 3 It is a partial enlarged structural diagram of the fixing mechanism in the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of the partial operation of the fixing mechanism in the utility model;

[0022] Figure 5 It is a schematic diagram of the enlarged structure of part A in the utility model.

[0023] In the figure: 1, stirring tank; 101, spray pipe body; 102, valve pipe; 103, nozzle; 2, anti-blocking mechanism; 201, rotating rod; 202, spiral teeth; 203, groove; 204, fan blade; 205, first rotating wheel; 206, rotating rod; 2061, stirring blade; 207, second rotating wheel; 208, belt; 209, motor; 210, fixing sleeve; 211, supporting rod; 212, scraper; 3, fixing mechanism; 301, fixing plate; 302, mounting box; 303, fixing box; 304, worm; 305, connecting rod; 306, worm wheel; 307, moving plate; 308, clamping plate; 309, mounting tube; 310, screw; 311, telescopic rod; 312, contraction spring; 313, sealing ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: an anti-clogging asphalt cold regeneration machine spray pipe, comprising a mixing tank 1, a spray pipe body 101 is installed at the bottom end of the mixing tank 1, and a valve pipe 102 is installed on one side of the bottom end of the spray pipe body 101, and a nozzle 103 is installed at the bottom end of the valve pipe 102; an anti-clogging mechanism 2 is arranged inside one end of the spray pipe body 101, and a fixing mechanism 3 is arranged inside one side of the spray pipe body 101;

[0026] The anti-blocking mechanism 2 includes a rotating rod 201 rotatably connected to the inside of one end of the spray pipe body 101, and the outer side of the rotating rod 201 is welded with spiral teeth 202, and a groove 203 is opened inside the bottom end of the mixing tank 1, and the top of the rotating rod 201 is fixedly connected with a fan blade 204, and a first rotating wheel 205 is installed on the outer side of the bottom end of the rotating rod 201, and a rotating rod 206 is rotatably connected to the inside of one end of the spray pipe body 101, and the outer side of the rotating rod 206 is symmetrically installed with stirring blades 2061, and a second rotating wheel 207 is installed on the outer side of the bottom end of the rotating rod 206, and a belt 20 is sleeved between the outer sides of the first rotating wheel 205 and the second rotating wheel 207. 8. A motor 209 is installed at the bottom end of the rotating rod 201. The top end of the motor 209 is fixedly connected to the spray pipe body 101. The fan blade 204 rotates to increase the flow rate of the raw materials at the bottom end of the mixing tank 1. The spiral teeth 202 are used to mix the raw materials during the transmission process. The mixing blades 2061 are used to break up and mix the raw materials in the transmission process again. This can greatly reduce the phenomenon of raw material agglomeration blocking the spray pipe body 101, thereby increasing the raw material transmission speed, greatly improving the efficiency of feeding recycled raw materials, and bringing convenience to the staff when using it.

[0027] A fixing sleeve 210 is installed on the outer side of the top of the rotating rod 201, and support rods 211 are symmetrically fixedly connected to both sides of the fixing sleeve 210, and a scraper 212 is fixedly connected to one end of the support rod 211 away from the fixing sleeve 210, and one side of the scraper 212 is in contact with the inner side of the groove 203. The rotation of the rotating rod 201 drives the rotation of the fixing sleeve 210, the rotation of the fixing sleeve 210 drives the rotation of the support rod 211, and the rotation of the support rod 211 drives the rotation of the scraper 212, so that the residual raw material inside the groove 203 can be scraped, thereby reducing the risk of blockage and bringing practicality to the staff when using it.

[0028] The fixing mechanism 3 includes a fixing plate 301 which is snap-connected to the inside of one side of the spray pipe body 101, and a mounting box 302 is symmetrically fixedly connected to the inside of one end of the spray pipe body 101, and a fixing box 303 is installed on one side of the mounting box 302, and a worm 304 is rotatably connected to the inside of the mounting box 302, and a connecting rod 305 is rotatably connected to the inside of the mounting box 302, and a worm gear 306 is installed on the outside of the connecting rod 305, and the worm 304 and the worm gear 306 are meshingly connected, and a moving plate 307 is slidably connected to the inside of the fixing box 303, and a clamping plate 308 is symmetrically fixedly connected to one side of the moving plate 307, and the clamping plate 308 is clearance-matched with both sides of the fixing plate 301, and a mounting pipe 309 is fixedly connected to one side of the clamping plate 308, and the mounting pipe 309 The internal thread is connected with a screw rod 310, and the end of the screw rod 310 away from the mounting tube 309 is fixedly connected to the connecting rod 305, so that the effect of quickly installing and removing the fixing plate 301 can be achieved, so that it is convenient for subsequent staff to clear the blockage and repair the inside of the spray pipe body 101, improve the maintenance efficiency of the device, and bring convenience to the staff when using it. Telescopic rods 311 are symmetrically installed between the movable plate 307 and the mounting box 302, and the outer side of the telescopic rod 311 is sleeved with a contraction spring 312. Through the design of the contraction spring 312, the movement of the movable plate 307 is more stable. A sealing ring 313 is arranged between the fixing plate 301 and the spray pipe body 101. Through the design of the sealing ring 313, the sealing performance between the fixing plate 301 and the spray pipe body 101 is better.

[0029] Working principle: Before using this anti-clogging asphalt cold recycling machine spray pipe, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5As shown, the rotation of the rotating rod 201 is driven by starting the motor 209, and the rotation of the rotating rod 201 drives the rotation of the spiral teeth 202. At this time, the rotation of the rotating rod 201 drives the rotation of the fan blade 204, and then the rotation of the rotating rod 201 drives the rotation of the first rotating wheel 205. Through the cooperation between the first rotating wheel 205, the second rotating wheel 207 and the belt 208, the rotation of the rotating rod 206 is driven. The rotation of the fan blade 204 can increase the flow rate of the raw materials at the bottom end of the mixing tank 1, and cooperate with the spiral teeth 202 to achieve the effect of rapid transmission of the raw materials, and the spiral teeth 202 can be used to The raw materials being transported are stirred, and then the stirring blades 2061 are used to break up and stir the raw materials being transported again, thereby greatly reducing the phenomenon of raw material agglomeration and clogging inside the spray pipe body 101, thereby increasing the raw material transmission speed, greatly improving the efficiency of feeding recycled raw materials, and bringing convenience to the staff when using it. The rotation of the rotating rod 201 drives the rotation of the fixed sleeve 210, and the rotation of the fixed sleeve 210 drives the rotation of the support rod 211, and the rotation of the support rod 211 drives the rotation of the scraper 212, so that the residual raw materials inside the groove 203 can be scraped, thereby reducing the risk of clogging, and bringing practicality to the staff when using it;

[0030] The staff inserts the fixing plate 301 into one side of the spray pipe body 101, and then drives the worm wheel 306 to rotate by rotating the worm 304. The rotation of the worm wheel 306 drives the rotation of the connecting rod 305. The rotation of the connecting rod 305 drives the rotation of the screw 310. The rotation of the screw 310 drives the movement of the installation tube 309, so that the movable plate 307 slides inside the fixing box 303, so that the clamping plate 308 is engaged with both ends of the fixing plate 301, so that the effect of quickly installing and removing the fixing plate 301 can be achieved, so that it is convenient for subsequent staff to clear the blockage and repair the inside of the spray pipe body 101, improve the maintenance efficiency of the device, and bring convenience to the staff when using it. Through the design of the sealing ring 313, the sealing between the fixing plate 301 and the spray pipe body 101 is better.

[0031] The mixing tank 1 is a prior art, and publication number CN217052920U discloses an asphalt concrete cold regeneration device, and the devices used therein are not described in detail here.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spray pipe of an anti-clogging asphalt cold recycling machine, comprising a mixing tank (1), a spray pipe body (101) being installed at the bottom end of the mixing tank (1), a valve pipe (102) being installed on one side of the bottom end of the spray pipe body (101), and a spray head (103) being installed at the bottom end of the valve pipe (102); It is characterized in that Also includes: An anti-blocking mechanism (2) is disposed inside one end of the spray pipe body (101), and a fixing mechanism (3) is disposed inside one side of the spray pipe body (101); The anti-blocking mechanism (2) comprises a rotating rod (201) rotatably connected to the inside of one end of the spray pipe body (101), and the outer side of the rotating rod (201) is welded with spiral teeth (202), and the bottom end of the stirring tank (1) is provided with a groove (203), and the top of the rotating rod (201) is fixedly connected with a fan blade (204), and the bottom end of the rotating rod (201) is provided with a first rotating wheel (205) installed on the outside, and the one end of the spray pipe body (101) is rotatably connected to the inside of the rotating rod (206), and the outer side of the rotating rod (206) is symmetrically provided with stirring blades (2061), and the bottom end of the rotating rod (206) is provided with a second rotating wheel (207), and a belt (208) is sleeved between the outer sides of the first rotating wheel (205) and the second rotating wheel (207), and the bottom end of the rotating rod (201) is provided with a motor (209).

2. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 1 is characterized by: A fixing sleeve (210) is installed on the outer side of the top of the rotating rod (201), and support rods (211) are symmetrically fixedly connected to both sides of the fixing sleeve (210), and a scraper (212) is fixedly connected to one end of the support rod (211) away from the fixing sleeve (210), and one side of the scraper (212) is in contact with the inner side of the groove (203).

3. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 1 is characterized by: The fixing mechanism (3) comprises a fixing plate (301) which is snap-fitted and connected to the inside of one side of the spray pipe body (101); a mounting box (302) is symmetrically fixedly connected to the inside of one end of the spray pipe body (101); a fixing box (303) is installed on one side of the mounting box (302); a worm (304) is rotatably connected to the inside of the mounting box (302); a connecting rod (305) is rotatably connected to the inside of the mounting box (302); and a connecting rod (305) is installed on the outside of the connecting rod (305). A worm gear (306) is provided, and the worm (304) is meshingly connected with the worm gear (306), and a movable plate (307) is slidably connected inside the fixed box (303), and a clamping plate (308) is symmetrically fixedly connected to one side of the movable plate (307), and the clamping plate (308) and the fixed plate (301) are clearance-matched on both sides, and a mounting tube (309) is fixedly connected to one side of the clamping plate (308), and a screw (310) is threadedly connected to the inside of the mounting tube (309).

4. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 3 is characterized by: A telescopic rod (311) is symmetrically installed between the movable plate (307) and the installation box (302), and a contraction spring (312) is sleeved on the outer side of the telescopic rod (311).

5. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 3 is characterized by: A sealing ring (313) is provided between the fixing plate (301) and the spray pipe body (101).

6. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 3, characterized in that: One end of the screw rod (310) away from the mounting tube (309) is fixedly connected to the connecting rod (305).

7. The anti-clogging asphalt cold regeneration machine spray pipe according to claim 1, characterized in that: The top end of the motor (209) is fixedly connected to the spray pipe body (101).

Images