Driving device of spiral slag conveyor
By using a longer universal joint and a rotating heat dissipation component in the screw conveyor, the problem of the drive motor and reducer being affected by high-temperature radiation was solved, achieving a connection with longer service life and lower precision requirements.
Patent Information
- Application Number
- CN202520064887.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The existing screw conveyor's drive motor and reducer have a reduced service life due to high temperature radiation, and the connection accuracy requirements are high.
A long universal joint is used to connect to the screw conveyor, and a heat dissipation component, including a bushing and heat dissipation blades, is installed on the universal joint for easy disassembly and assembly. The rotation generates airflow to block high temperature radiation.
This reduces the temperature of the drive motor and reducer, increases their service life, and lowers the centering accuracy requirements.
Smart Images

Figure CN223856165U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of screw slag conveyer, specifically relates to a driving device of screw slag conveyer. BACKGROUND
[0002] The working principle of the hydrofluoric acid rotary kiln is that heat generated by fuel combustion is transmitted to the kiln body through a heat exchange system, so that the temperature in the kiln reaches the process conditions required for hydrofluoric acid treatment.
[0003] The generated calcium sulfate slag needs to be discharged through a screw slag conveyer at the lower part of the rotary kiln tail, and the existing rotary kiln screw slag conveyer directly connects the driving motor and the rotating shaft of the slag conveyer body through a reduction gear and a wheel coupling (as shown in Figure 4 The high-temperature slag will radiate to the adjacent reduction gear and driving motor, causing the reduction gear and driving motor to have a high temperature, which affects their service life. INNOVATION CONTENT
[0004] In order to solve the above problems, the utility model provides a driving device of screw slag conveyer.
[0005] The utility model is realized through the following technical schemes:
[0006] A driving device of screw slag conveyer, including screw conveyer body and the driving motor of its front end, driving motor and reduction gear drive connection, the output end of reduction gear is connected with the rotating shaft of screw conveyer body through universal shaft, and the heat dissipation assembly convenient for dismounting is arranged on the universal shaft.
[0007] Further, the heat dissipation assembly includes a shaft sleeve sleeved on the universal shaft, and the shaft sleeve is annularly provided with a plurality of heat dissipation blades.
[0008] Further, the shaft sleeve is provided in a two-semi-circular sleeve manner, and annular clamping grooves are formed at both ends of the shaft sleeve, and the clamping grooves are provided with elastic belts.
[0009] Further, the elastic belt includes a base belt at the bottom, and an integral pull ring belt is arranged on the outer side of the upper part of the base belt.
[0010] Further, the clamping grooves are arranged at both sides of the heat dissipation blades.
[0011] Further, when the two semi-circular sleeves are clamped on the universal shaft, a gap of 1-2mm is left on the corresponding contact surfaces.
[0012] Compared with the prior art, the helical conveyor has the advantages that the structure is simple, the accuracy requirement of the shaft coupling of the conveyor is low, the heat radiation of the longer universal shaft and the driving motor and the speed reducer far away from the conveyor is small, the heat radiation of the helical conveyor at high temperature is blocked by the heat dissipation assembly rotating with the universal shaft, the temperature of the driving motor and the speed reducer is reduced, and the service life of the driving motor and the speed reducer is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a structural schematic view of the utility model;
[0014] Figure 2 is Figure 1 a partial structural schematic enlarged view;
[0015] Figure 3 is a structural schematic view of the heat dissipation assembly of the utility model;
[0016] Figure 4 is a schematic view of the prior art of the utility model;
[0017] In the figure: the helical conveyor body 1, the driving motor 2, the speed reducer 3, the universal shaft 4, the shaft sleeve 5, the heat dissipation blade 6, the clamping groove 7, the base band 8, and the pull ring band 9. DETAILED DESCRIPTION
[0018] The utility model will be described in further detail in combination with the drawings and the specific implementation:
[0019] As Figure 1 shown, a driving device of a helical slag conveyor comprises a helical conveyor body 1 and a driving motor 2 at the front end of the helical conveyor body 1, the driving motor 2 is drivingly connected with a speed reducer 3, the output end of the speed reducer 3 is connected with the rotating shaft of the helical conveyor body 1 through a universal shaft 4, the length of the shaft coupling of the universal shaft 4 is 0.5-0.8 meters, and a heat dissipation assembly is arranged on the universal shaft 4 and is convenient to disassemble and assemble.
[0020] As Figure 2 , 3 shown, the heat dissipation assembly comprises a shaft sleeve 5 sleeved on the universal shaft 4, the shaft sleeve 5 is annularly provided with a plurality of heat dissipation blades 6, the heat dissipation blades 6 are made of lightweight aluminum, and the load on the shaft coupling is reduced.
[0021] As Figure 2 , 3 shown, the shaft sleeve 5 is arranged in two semicircular sleeves, the two semicircular sleeves are convenient to disassemble and assemble on the universal shaft 4, and annular clamping grooves 7 are formed in the two ends of the shaft sleeve 5, the clamping grooves 7 are provided with elastic bands, the elastic bands are made of elastic rubber bands, have good contractility, and are convenient to bind the two semicircular sleeves.
[0022] As Figure 2As shown, the elastic band includes a base band 8 at the bottom, the cross section of the base band 8 is arranged in a regular trapezoidal shape, which mainly plays a role of elastic fixing, and an integral pull ring band 9 is arranged on the outer side of the upper part of the base band 8, so that the base band 8 can be taken out from the clamping groove 7 through the pull ring band 9.
[0023] As shown in the figure, Figure 2 The clamping groove 7 is arranged at both sides of the heat dissipation fin 6.
[0024] As shown in the figure, Figure 2 When the two half-round sleeves are clamped on the universal shaft 4, a gap of 1-2 mm is left on the corresponding contact surface, so that the two half-round sleeves are always in a clamped state under the condition that the elastic band is in a tensioned state.
[0025] The implementation principle of the driving device of the screw slag conveyor in the embodiment of the application is:
[0026] The coupling connecting the output end of the original speed reducer 3 and the main shaft of the screw conveyor body 1 is replaced by a universal shaft 4 coupling with a longer length, the universal shaft 4 coupling has a lower requirement for the centering accuracy, and the longer length has a smaller heat radiation to the driving motor 2 and the speed reducer 3 which are relatively far away from the screw conveyor body 1;
[0027] The universal shaft 4 rotating at the same time drives the heat dissipation assembly thereon to rotate, and the multiple heat dissipation fins 6 of the heat dissipation assembly rotating with the universal shaft will generate a wind force blowing to the screw conveyor body 1, thereby blocking the heat radiation of the high temperature of the screw conveyor body 1, so as to reduce the temperature of the driving motor 2 and the speed reducer 3 and improve the service life of the driving motor 2 and the speed reducer 3;
[0028] At the same time, when the heat dissipation assembly is disassembled, the pull ring band is pulled by hand to drive the base band 8 to be taken out from the annular clamping groove 7, so that the two half-round sleeves of the shaft sleeve 5 are in a loosened state, the heat dissipation assembly is disassembled from the universal shaft 4, and the installation direction step operation is performed, so that the heat dissipation assembly is disassembled and assembled according to the winter and summer, and the use is more convenient and convenient.
[0029] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A driving device of a screw slag conveyor, comprising a screw conveyor body (1) and a driving motor (2) at the front end of the screw conveyor body (1), the driving motor (2) being drivingly connected with a speed reducer (3), characterized in that: The output end of the speed reducer (3) is connected with the rotating shaft of the screw conveyor body (1) through a universal shaft (4), and a heat dissipation assembly is arranged on the universal shaft (4) and is convenient to disassemble and assemble.
2. A drive arrangement for a screw conveyor according to claim 1, characterized in that: The heat dissipation assembly comprises a shaft sleeve (5) sleeved on the universal shaft (4), and a plurality of heat dissipation blades (6) are arranged in the annular heat dissipation assembly.
3. A drive arrangement for a screw conveyor according to claim 2, characterized in that: The shaft sleeve (5) is provided with two semicircular sleeves, and annular clamping grooves (7) are formed at two ends of the shaft sleeve (5), and the clamping grooves (7) are provided with elastic bands.
4. A drive arrangement for a screw conveyor according to claim 3, characterized in that: The elastic band comprises a base band (8) at the bottom, and an integral pull ring band (9) is arranged on the outer side of the upper portion of the base band (8).
5. A drive arrangement for a screw conveyor according to claim 3, characterized in that: The clamping grooves (7) are arranged at two side ends of the heat dissipation blades (6).
6. A drive arrangement for a screw conveyor according to claim 3, characterized in that: When the two semicircular sleeves are clamped on the universal shaft (4), a gap of 1-2mm is left on the corresponding contact surfaces.