Helical blade of snow melting spreader

Abstract

The utility model provides a snow melting spreader screw blade which comprises a screw piece, a rotating shaft is detachably connected in a screw pitch space of the screw piece, the rotating shaft is parallel to the screw axis of the screw piece, a transmission wheel and a positioning sleeve located at one end of the transmission wheel are fixedly arranged on the rotating shaft in a sleeved mode, and the positioning sleeve is fixedly connected with the screw pitch space of the screw piece. The positioning sleeve is fixedly connected with the rotating shaft, the peripheral wall of the positioning sleeve is fixedly connected with stirring rods which are uniformly distributed in the circumferential direction, and the peripheral wall of each stirring rod is fixedly connected with stirring teeth which are uniformly distributed in the circumferential direction. According to the stirring device disclosed by the utility model, the rotating shaft parallel to the spiral center line of the spiral sheet is arranged in the screw pitch space of the spiral sheet, the driving wheel is fixedly sleeved on the rotating shaft, and when the spiral sheet rotates, the driving wheel can rotate when the driving wheel is propped against the inner wall of the discharging pipe, so that the rotating shaft is driven to rotate; and the stirring rods can stir and scatter hardened blocks in the spiral spacing space, so that the problem of discharging blockage of the snow melting agent is solved.

Description

Technical Field

[0001] This utility model relates to the field of snow melting agent spreading technology, specifically a spiral blade for a snow melting spreader. Background Technology

[0002] In the existing technology, for small spreaders, operators need to add de-icing agent regularly during operation. This process is not only time-consuming and labor-intensive, but also poses a high risk when adding de-icing agent while the spreader is running. Therefore, large-capacity spreaders have emerged. However, in some large-capacity spreaders, due to the excessive amount of de-icing agent stored in the storage tank, uneven discharge often occurs, resulting in uneven distribution of the de-icing agent during spreading.

[0003] Utility model CN217419479U discloses a snow-melting spreader, including a storage bin and an electric slinger. The storage bin has a conical discharge hopper at its bottom, with an opening at the bottom of the hopper. A discharge pipe is fixedly welded to the opening. Multiple inlets are spaced at the top of the discharge pipe near the discharge hopper. A spiral conveyor shaft is coaxially mounted inside the discharge pipe. One end of the discharge pipe has a discharge port connected to a connecting pipe, the other end of which is connected to the inlet port of the electric slinger. The spiral conveyor shaft with spiral blades installed in the discharge pipe quickly and evenly drives the snow-melting agent falling into the discharge pipe, achieving uniform discharge and improving the spreading uniformity of the electric slinger. The multiple inlets spaced at the top of the discharge pipe facilitate rapid entry of the snow-melting agent and avoid excessive material accumulation, which can lead to overloading of the spiral conveyor shaft, as is common with open-top discharge pipes.

[0004] However, the above-mentioned existing technology still has shortcomings in use: when the screw conveyor shaft rotates, it drives the screw blades to run. When the screw blades run, they can push the de-icing agent in the discharge pipe forward. Since the de-icing agent is usually in the form of granules or flakes, it is easy to cause caking. The screw blades can not only effectively break up the caking during transmission, but this caking can also easily accumulate at the discharge port of the discharge pipe, making it difficult for the de-icing agent to be discharged smoothly, and eventually causing the discharge pipe to be blocked and unable to discharge.

[0005] Therefore, this utility model provides a spiral blade for a snow melting spreader. Utility Model Content

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a spiral blade for a snow melting spreader to solve the problems mentioned in the background art. The spiral blade of this utility model has the advantages of breaking up clumps while conveying the snow melting agent, making the conveyance of the snow melting agent smoother.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a spiral blade for a snow melting spreader, comprising a spiral blade, a rotating shaft detachably connected within a pitch space of the spiral blade, the rotating shaft being parallel to the spiral axis of the spiral blade, a transmission wheel and a positioning sleeve located at one end of the transmission wheel being fixedly sleeved on the rotating shaft, the positioning sleeve being fixedly connected to the rotating shaft and having a circumferentially uniformly distributed stirring rod fixedly connected to its outer peripheral wall, and a circumferentially uniformly distributed stirring tooth fixedly connected to the outer peripheral wall of the stirring rod.

[0008] Furthermore, there are multiple rotating shafts, which are evenly distributed along the spiral line of the spiral blade.

[0009] Furthermore, each of the opposite sidewalls within a pitch space on the spiral blade is fixedly connected to a plug sleeve, and the two ends of the rotating shaft are connected by a limiting plug shaft and a plug sleeve. The limiting plug shaft and the plug sleeve are rotatably engaged and elastically slidingly engaged with the rotating shaft.

[0010] Furthermore, a bearing that is fitted with the insertion sleeve is fixedly sleeved on the limiting insert shaft, and guide holes with internal support springs are opened at both ends of the rotating shaft. One end of the limiting insert shaft is sleeved in the guide hole and abuts against one end of the support spring.

[0011] Furthermore, the limiting insert is externally fixed with a retaining ring located between the bearing and the rotating shaft.

[0012] Furthermore, an annular groove is formed on the outer peripheral wall of the transmission wheel, and a friction-increasing rubber strip is sleeved inside the annular groove.

[0013] Furthermore, the stirring teeth are conical with the small end facing outwards.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. In this utility model, a rotating shaft parallel to the spiral center line of the spiral blade is set in the pitch space of the spiral blade. A transmission wheel is fixedly sleeved on the rotating shaft. When the spiral blade rotates, the transmission wheel will rotate when it abuts against the inner wall of the discharge pipe, thereby driving the rotating shaft to rotate. By setting a stirring rod on the rotating shaft, the stirring rod can stir and break up the clumps in the spiral pitch space, so that the de-icing agent will not have the problem of material blockage.

[0016] 2. In this utility model, a plug-in sleeve is provided in the spiral spacing space of the spiral blade, and then a limiting plug shaft is provided at both ends of the rotating shaft to engage with the plug-in sleeve, which makes the combination and disassembly of the rotating shaft and the spiral blade more convenient and reduces the manufacturing difficulty. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a spiral blade for a snow melting spreader according to the present invention;

[0018] Figure 2 for Figure 1 The main view;

[0019] Figure 3 This is a schematic diagram of the spiral blades and one of the rotating shafts of a snow melting spreader according to the present invention.

[0020] Figure 4 This is a schematic diagram showing the exploded unfolding of the rotating shaft, limiting insert shaft, and resistance-increasing rubber strip of the spiral blade of a snow melting spreader according to this utility model.

[0021] In the diagram: 1. Spiral blade; 11. Insert sleeve; 2. Rotating shaft; 21. Guide hole; 3. Transmission wheel; 31. Annular groove; 311. Resistance-increasing rubber strip; 4. Positioning sleeve; 5. Stirring rod; 6. Stirring teeth; 7. Limiting insert shaft; 71. Bearing; 72. Retaining ring; 8. Support spring. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: a spiral blade for a snow melting spreader, comprising a spiral blade 1, a rotating shaft 2 detachably connected within a pitch space of the spiral blade 1, the rotating shaft 2 and the spiral axis of the spiral blade 1 being parallel, a transmission wheel 3 and a positioning sleeve 4 located at one end of the transmission wheel 3 being fixedly sleeved on the rotating shaft 2, the positioning sleeve 4 being fixedly connected to the rotating shaft 2 and having circumferentially evenly distributed stirring rods 5 fixedly connected to its outer peripheral wall, when the spiral blade 1 is installed in the discharge pipe, the outer peripheral wall of the transmission wheel 3 and the inner wall of the discharge pipe are in abutting state, when the spiral conveying shaft drives the spiral blade 1 to rotate, the transmission wheel 3 will be passively rotated, thereby driving the rotating shaft 2 to rotate, at which time the stirring rods 5 will agitate the snow melting agent in the pitch space, causing the snow melting agent clumps to be broken up. An annular groove 31 can be opened on the outer peripheral wall of the transmission wheel 3, and a friction-increasing rubber strip 311 is sleeved inside the annular groove 31, the friction-increasing rubber strip 311 increasing the friction between the transmission wheel 3 and the inner wall of the discharge pipe.

[0024] Furthermore, the outer peripheral wall of the stirring rod 5 is fixedly connected with circumferentially evenly distributed stirring teeth 6, which can further improve the dispersing effect. In specific implementation, it is preferred that the stirring teeth 6 be conical with the small end facing outward.

[0025] The specific structure of the detachable connection between the spiral blade 1 and the rotating shaft 2 is as follows: a plug sleeve 11 is fixedly connected to the opposite side wall in a pitch space on the spiral blade 1. The two ends of the rotating shaft 2 are connected to the plug sleeve 11 by a limiting plug shaft 7. The limiting plug shaft 7 and the plug sleeve 11 are rotatably engaged and elastically slidingly engaged with the rotating shaft 2. Under the action of the above-mentioned elastic force, the limiting plug shaft 7 is inserted into the plug sleeve 11. When it is necessary to disassemble the rotating shaft 2, it is only necessary to press the limiting plug shaft 7 in the direction of the rotating shaft 2 so that the limiting plug shaft 7 is disengaged from the plug sleeve 11, and the rotating shaft 2 can be disassembled.

[0026] Furthermore, a bearing 71 is fixedly sleeved on the limiting insert shaft 7 and has a clearance fit with the insertion sleeve 11. The bearing 71 makes the rotation of the limiting insert shaft 7 relative to the insertion sleeve 11 smoother. The clearance fit between the bearing 71 and the insertion sleeve 11 makes the installation of the bearing 71 more convenient. Both ends of the rotating shaft 2 are provided with guide holes 21 with internal support springs 8. One end of the limiting insert shaft 7 is sleeved in the guide hole 21 and abuts against one end of the support spring 8. The support spring 8 applies an outward elastic thrust to the limiting insert shaft 7.

[0027] Among them, the limiting insert shaft 7 is externally fixedly sleeved with a retaining ring 72 located between the bearing 71 and the rotating shaft 2. When the bearing 71 is located inside the insert sleeve 11, the retaining ring 72 is located at the opening of the insert sleeve 11. The retaining ring 72 is an operating component for manually pushing the limiting insert shaft 7 to disengage from the insert sleeve 11.

[0028] In this embodiment, there are multiple rotating shafts 2, which are evenly distributed along the spiral line of the spiral blade 1. This arrangement results in multiple areas within the discharge pipe that break up the clumps of de-icing agent, making the de-icing agent clumps break up more thoroughly.

[0029] Working principle: When in use, the spiral blade 1 is fixedly sleeved on the spiral drive shaft, and then the spiral drive shaft is sleeved into the discharge pipe. At this time, the friction-increasing rubber strips 311 on each drive wheel 3 are in a state of abutting against the outer peripheral wall of the discharge pipe. When the spiral drive shaft drives the spiral blade 1 to rotate, the de-icing agent in the discharge pipe will be axially transmitted. During this process, the drive wheel 3 will be passively rotated under the action of friction. The shaft 2 rotates, and at this time, the positioning sleeve 4 drives the stirring rod 5 to stir the de-icing agent in the spiral blade 1. At the same time, the stirring rod 5 and the stirring teeth 6 will break up the clumps of de-icing agent, so that the de-icing agent can be smoothly transmitted and discharged.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A snowmelt spreader auger flight comprising an auger flight (1), characterized in that, A rotating shaft (2) is detachably connected within a pitch space of the spiral blade (1). The rotating shaft (2) and the spiral axis of the spiral blade (1) are parallel. A transmission wheel (3) and a positioning sleeve (4) located at one end of the transmission wheel (3) are fixedly sleeved on the rotating shaft (2). The positioning sleeve (4) is fixedly connected to the rotating shaft (2) and a stirring rod (5) is fixedly connected to its outer peripheral wall. A stirring tooth (6) is fixedly connected to the outer peripheral wall of the stirring rod (5).

2. A snowmelt spreader auger flight according to claim 1, wherein: The number of the rotating shafts (2) is multiple, and the multiple rotating shafts (2) are evenly distributed along the spiral line of the spiral plate (1).

3. A snowmelt spreader auger flight in accordance with claim 1, wherein: Insertion sleeves (11) are fixedly connected to opposite sidewalls within a pitch space on the spiral blade (1). The two ends of the rotating shaft (2) are connected by insertion through a limiting insertion shaft (7) and the insertion sleeves (11). The limiting insertion shaft (7) and the insertion sleeves (11) are rotatably engaged and elastically slidingly engaged with the rotating shaft (2).

4. A snowmelt spreader auger flight according to claim 3, wherein: The limiting insert shaft (7) is fixedly fitted with a bearing (71) that is clearance-fitted with the insert sleeve (11). The two ends of the rotating shaft (2) are provided with guide holes (21) with internal support springs (8). One end of the limiting insert shaft (7) is fitted in the guide hole (21) and abuts against one end of the support spring (8).

5. A snowmelt spreader auger flight in accordance with claim 4, wherein: The limiting insert (7) is externally fixed with a retaining ring (72) located between the bearing (71) and the rotating shaft (2).

6. A snowmelt spreader auger flight in accordance with claim 1, wherein: The outer peripheral wall of the transmission wheel (3) is provided with an annular groove (31), and a friction-increasing rubber strip (311) is sleeved inside the annular groove (31).

7. A snowmelt spreader auger flight in accordance with claim 1 wherein: The stirring teeth (6) are conical with the small end facing outwards.

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