Concrete mixing station blanking hopper vibration device

By designing a vibration device for the lower hopper of the concrete mixing station including a vibration box, a spring vibration mechanism, a discharge rolling mechanism and a spring adjustment mechanism, the problems of uneven distribution of materials and insufficient crushing are solved, uniform mixing and efficient discharge of materials are achieved, and the quality and production efficiency of concrete are improved.

CN223013549UActive Publication Date: 2025-06-24TANGSHAN MAOLONG SOLID WASTE MANAGEMENT CO LTD
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Patent Information

Application Number
CN202422039430.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-06-24
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing hopper vibration device under the concrete mixing station cannot generate sufficient vibration, resulting in uneven distribution of materials and insufficient crushing, affecting the quality and production efficiency of concrete.

Method used

A downhoe vibration device including a vibrating box, a spring vibration mechanism, a discharge rolling mechanism and a spring adjustment mechanism are designed. The vibration motor transmits vibration through the lateral plate and the support spring. The screening plate screens the material. The discharge roller mechanism crushes the material by crushing teeth. The spring adjustment mechanism adjusts the preload force of the support spring through the threaded plate and the lead screw.

Benefits of technology

By uniformly transmitting vibration, promoting material mixing and flow, screening out materials that do not meet the requirements, crushing teeth to ensure material uniformity and strength, and the spring adjustment mechanism adapts to the vibration needs of different materials, improving the usage rate and production efficiency of materials.

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Abstract

The utility model discloses a concrete mixing station blanking hopper vibration device which comprises a vibration box, a spring vibration mechanism, a discharging rolling mechanism and a spring adjusting mechanism, and the spring vibration mechanism comprises a vibration motor, a lateral plate, a screening plate, a supporting spring and a bottom frame. The discharging and grinding mechanism comprises a discharging hopper, a rotating rod, a rotating sleeve, a movable plate, fixed teeth and grinding teeth, the spring adjusting mechanism comprises a threaded plate, a rotating bolt, a lead screw and a stabilizing sleeve, vibration generated by a vibration motor is evenly transmitted to a vibration box through a lateral plate and a supporting spring, and material mixing and flowing are facilitated; and the reciprocating crushing action of the fixed teeth and the crushing teeth is beneficial to further homogenization of the materials, the uniformity and strength of the concrete are improved, and the pre-tightening force of a supporting spring can be accurately adjusted through cooperation of a threaded plate, a rotating bolt and a lead screw.
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Description

Technical Field

[0001] The utility model relates to the technical field of vibration, and more specifically, it relates to a vibrating device for the feeding hopper of a concrete mixing plant. Background Art

[0002] The vibrating device for the feeding hopper of a concrete mixing plant is an auxiliary device used in a concrete mixing plant. Its main function is to help the materials in the feeding hopper fall smoothly during the concrete production process, prevent material blockage, and ensure the continuity and uniformity of concrete production. This device usually consists of a vibrating motor, a vibrator, shock-absorbing springs, a control system, etc.

[0003] In the existing technology, firstly, some devices cannot generate enough vibration to promote material flow and mixing, which affects the quality and uniformity of concrete. The vibrating box may be unstable during operation, resulting in uneven material distribution, and unable to screen materials, which may cause impurities to be mixed into the concrete, affecting the quality of the final product. Secondly, some devices may not fully crush the materials, affecting the uniformity and strength of concrete, may cause poor material discharge, increasing the risk of blockage and reducing production efficiency. Finally, some devices cannot adjust the pressure of the support springs according to the characteristics of different materials, affecting the flow and mixing effect of materials, and it is difficult to ensure the stability of the adjustment process, which may cause the vibrating box to be unstable during operation, affecting the quality of concrete. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the problems existing in the prior art, the utility model provides a vibrating device for the feeding hopper of a concrete mixing plant to solve the technical problems such as uneven material distribution and possible insufficient crushing of the materials at the outlet mentioned in the background art.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: a vibrating device for a feeding hopper of a concrete mixing station, which includes a vibrating box, a spring vibrating mechanism, a discharging and rolling mechanism, and a spring adjusting mechanism. The spring vibrating mechanism includes a vibrating motor, a side plate, a screening plate, a supporting spring, and a chassis. The vibrating motor is installed at the bottom end of the vibrating box. The side plates are installed at the surrounding positions of the vibrating box. The supporting spring is installed at the top end of the chassis, and the other end of the supporting spring is cooperatively connected with the side plate. The screening plate is cooperatively installed inside the vibrating box. The discharging and rolling mechanism includes a discharging hopper, a rotating rod, a rotating sleeve, a movable plate, a fixed tooth, and a crushing tooth. The discharging hopper is fixedly installed on the side of the chassis. The rotating rod is horizontally and rotatably arranged on the discharging hopper. The rotating sleeve is arranged on the rotating rod. The movable plate is arranged on the side of the rotating sleeve. The fixed tooth is installed on the inner wall of the discharging hopper. The crushing tooth is installed on the side wall of the movable plate. The fixed tooth and the crushing tooth are reciprocally crushed, and the crushing tooth is arranged at the outlet end of the discharging hopper.

[0008] The utility model is further arranged such that the spring adjusting mechanism includes a threaded plate, a rotating bolt, a lead screw, and a stabilizing sleeve. There are multiple groups of threaded plates, and the threaded plates are arranged in parallel on the supporting spring. The stabilizing sleeve is arranged at the bottom of the side plate. The lead screw is cooperatively arranged on the stabilizing sleeve. The rotating bolt is cooperatively and directionally rotatably arranged at the top of the side plate, and the lead screw is threadedly arranged in cooperation with the rotating bolt. The lead screw can sequentially pass through the threaded plates.

[0009] The utility model is further arranged such that the opening end of the vibrating box is cooperatively provided with a box cover, and the two ends of the box cover and the vibrating box are cooperatively provided with a locking assembly, and the locking assembly fixes and seals the box cover on the top of the vibrating box. The design of the box cover and the locking assembly ensures the safety of operation, preventing material splashing and entry of external impurities.

[0010] The utility model is further arranged such that an adding hopper is installed on one side of the top end face of the box cover, and a connecting hopper is installed on the side of the vibrating box. The bottom output end of the connecting hopper is cooperatively communicated with the top opening end of the discharging hopper. The design of the adding hopper and the connecting hopper facilitates the input and output of materials and improves the operation efficiency.

[0011] The utility model is further arranged such that a connecting plate and a fixing plate are installed on the outside of the discharging hopper, and the connecting plate is fixed on the side of the chassis. A stabilizing spring and a sleeve rod are installed on the side of the fixing plate. The setting of the connecting plate ensures the stable installation of the discharging hopper.

[0012] The utility model is further arranged such that a sleeve is installed on the side of the movable plate. One end of the sleeve is installed with a pressing block. One end of the sleeve rod extends into the discharging hopper, and the sleeve rod is movably sleeved inside the sleeve. One end of the stabilizing spring is cooperatively connected with one end of the pressing block. The combined design of the sleeve, the pressing block, the sleeve rod, and the stabilizing spring can control the position and pressure of the movable plate and ensure the crushing effect.

[0013] The present utility model is further configured such that a motor bracket is installed on the side of the discharge hopper, and a reciprocating drive motor is installed on the top of the motor bracket. The design of the reciprocating drive motor provides stable drive and transmission.

[0014] The present utility model is further configured such that a belt drive assembly is installed at the output end of the reciprocating drive motor, and a rotating rod on the discharge hopper is cooperatively connected with the belt drive assembly. The design of the belt drive assembly ensures the continuous discharge and conveyance of materials.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a vibrating device for a feeding hopper of a concrete mixing station, having the following beneficial effects:

[0017] The present utility model is provided with a spring vibration mechanism. The vibration generated by the vibration motor is evenly transmitted to the vibration box through the side plate and the support spring, which helps the mixing and flowing of materials. The support spring provides stable support, reduces the damage to the equipment caused by vibration, and absorbs part of the vibration energy at the same time. The screening and rotating plate can screen out materials that do not meet the requirements, ensuring the quality of concrete.

[0018] The present utility model is provided with a discharging and rolling mechanism. The reciprocating rolling actions of the fixed teeth and the crushing teeth help to further homogenize the materials, improving the uniformity and strength of the concrete. The design of the discharge hopper allows the materials to be discharged under control, reducing waste and increasing the utilization rate of the materials.

[0019] The present utility model is provided with a spring adjusting mechanism. Through the cooperation of the threaded plate, the rotating bolt and the lead screw, the pre-tightening force of the support spring can be precisely adjusted to adapt to the vibration requirements of different materials, optimizing the flowing and mixing effects of the materials. The setting of the stabilizing sleeve and the lead screw ensures the stability and precision of the adjustment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the whole device of the present utility model in the unused state;

[0021] Figure 2 is a schematic structural diagram of the top view of the device of the present utility model with the cover removed;

[0022] Figure 3 is a schematic structural diagram of the spring adjusting mechanism of the present utility model;

[0023] Figure 4 is a schematic structural diagram of the discharging and rolling mechanism of the present utility model;

[0024] Figure 5 is a schematic structural diagram of the interior of the discharging and rolling mechanism of the present utility model.

[0025] In the figure: 1, vibration box; 2, vibration motor; 3, side plate; 4, screening plate; 5, support spring; 6, chassis; 7, discharge hopper; 8, rotating rod; 9, rotating sleeve; 10, movable plate; 11, fixed teeth; 12, crushing teeth; 13, threaded plate; 14, rotating bolt; 15, lead screw; 16, stabilizing sleeve; 17, box cover; 18, locking assembly; 19, adding hopper; 20, connecting hopper; 21, connecting plate; 22, fixed plate; 23, stabilizing spring; 24, sleeve rod; 25, sleeve; 26, pressing block; 27, motor frame; 28, reciprocating drive motor; 29, belt drive assembly. Detailed implementation mode

[0026] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine the embodiments to describe the present utility model in detail.

[0027] It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0028] In the present utility model, unless otherwise stated, the orientations such as "upper and lower" are usually in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for the convenience of understanding and description, "left and right" are usually in the left and right shown in the drawings; "inside and outside" refer to the inside and outside relative to the contour of each component itself, but the above orientation terms do not limit the present utility model.

[0029] Please refer to Figures 1-5 , a vibrating device for the feeding hopper of a concrete mixing plant, including a vibration box 1, a spring vibration mechanism, a discharge rolling mechanism and a spring adjustment mechanism. The spring vibration mechanism includes a vibration motor 2, a side plate 3, a screening plate 4, a support spring 5 and a chassis 6. The vibration motor 2 is installed at the bottom end of the vibration box 1. The side plate 3 is installed around the vibration box 1. The support spring 5 is installed at the top end of the chassis 6. The other end of the support spring 5 is cooperatively connected with the side plate 3. The screening plate 4 is cooperatively installed inside the vibration box 1. The discharge rolling mechanism includes a discharge hopper 7, a rotating rod 8, a rotating sleeve 9, a movable plate 10, fixed teeth 11 and crushing teeth 12. The discharge hopper 7 is fixedly installed on the side of the chassis 6. The rotating rod 8 is horizontally and rotatably arranged on the discharge hopper 7. The rotating sleeve 9 is arranged on the rotating rod 8. The movable plate 10 is arranged on the side of the rotating sleeve 9. The fixed teeth 11 are installed on the inner wall of the discharge hopper 7. The crushing teeth 12 are installed on the side wall of the movable plate 10. The fixed teeth 11 and the crushing teeth 12 are reciprocally crushed, and the crushing teeth 12 are arranged at the outlet end of the discharge hopper 7.

[0030] In this embodiment, the vibration motor 2 is installed at the bottom end of the vibration box 1. After being started, it generates vibrations, which are transmitted to the support spring 5 through the side plate 3. The other end of the support spring 5 is cooperatively connected to the side plate 3. The support spring 5 is installed at the top end of the chassis 6 to support the vibration box 1. At the same time, the materials in the vibration box 1 are vibrated, promoting the flow and mixing of the materials. The sieve rotating plate is cooperatively installed inside the vibration box 1 for screening the materials to ensure the quality of the materials. The discharge hopper 7 is fixedly installed on the side of the chassis 6. The materials enter the discharge hopper 7 through the vibration box 1. The rotating rod 8 is horizontally and rotatably arranged on the discharge hopper 7. The rotating sleeve 9 is arranged on the rotating rod 8. The movable plate 10 is arranged on the side of the rotating sleeve 9. The fixed teeth 11 are installed on the inner wall of the discharge hopper 7. The crushing teeth 12 are installed on the side wall of the movable plate 10. The fixed teeth 11 and the crushing teeth 12 are reciprocally arranged for crushing, and the crushing teeth 12 are arranged at the outlet end of the discharge hopper 7 for crushing the materials to ensure the uniformity of the materials. The crushed materials are discharged from the outlet end of the discharge hopper 7.

[0031] The spring adjusting mechanism includes a threaded plate 13, a rotating bolt 14, a lead screw 15 and a stabilizing sleeve 16. Multiple groups of threaded plates 13 are provided, and the threaded plates 13 are arranged in parallel on the support spring 5. The stabilizing sleeve 16 is arranged at the bottom of the side plate 3. The lead screw 15 is cooperatively arranged on the stabilizing sleeve 16. The rotating bolt 14 is cooperatively and directionally rotatably arranged at the top of the side plate 3, and the lead screw 15 is threadedly cooperated with the rotating bolt 14. The lead screw 15 can sequentially pass through the threaded plates 13.

[0032] In this embodiment, multiple groups of threaded plates 13 are provided, and the threaded plates 13 are arranged in parallel on the support spring 5. By rotating the rotating bolt 14, the position of the lead screw 15 can be adjusted, and then the lead screw 15 can sequentially pass through the threaded plates 13 to adjust the pre-tightening force of the support spring 5 to adapt to the vibration requirements of different materials. The stabilizing sleeve 16 is arranged at the bottom of the side plate 3, and the lead screw 15 is cooperatively arranged on the stabilizing sleeve 16 to ensure the stability and accuracy of the adjustment process.

[0033] Please refer to Figures 1-5, as a supplementary implementation method of the vibrating device of the hopper for a concrete mixing plant for the spring vibration mechanism, the discharging and rolling mechanism, and the spring adjustment mechanism: The open end of the vibrating box 1 is fitted with a box cover 17, and locking components 18 are fitted on the side surfaces at both ends of the box cover 17 and the vibrating box 1. The locking components 18 fix and seal the box cover 17 on the top of the vibrating box 1. An adding hopper 19 is installed on one side of the top end surface of the box cover 17. A connecting hopper 20 is installed on the side of the vibrating box 1, and the bottom output end of the connecting hopper 20 is in fitting and communicating connection with the top opening end of the discharging hopper 7. A connecting plate 21 and a fixing plate 22 are installed on the outside of the discharging hopper 7. The connecting plate 21 is fixed on the side surface of the chassis 6. A stabilizing spring 23 and a sleeve rod 24 are installed on the side surface of the fixing plate 22. A sleeve 25 is installed on the side surface of the movable plate 10. A pressing block 26 is installed at one end of the sleeve 25. One end of the sleeve rod 24 extends into the discharging hopper 7, and the sleeve rod 24 is movably sleeved in the sleeve 25. One end of the stabilizing spring 23 is in fitting connection with one end of the pressing block 26. A motor bracket 27 is installed on the side of the discharging hopper 7, and a reciprocating drive motor 28 is installed on the top of the motor bracket 27. A belt transmission assembly 29 is installed at the output end of the reciprocating drive motor 28, and the rotating rod 8 on the discharging hopper 7 is in fitting connection with the belt transmission assembly 29.

[0034] More specifically, materials are added into the vibrating box 1 through the adding hopper 19. The bottom output end of the connecting hopper 20 is in fitting and communicating connection with the top opening end of the discharging hopper 7. After the vibrating motor 2 is started, the materials in the vibrating box 1 are vibrated and screened by the sieve rotating plate to promote the flow and mixing of the materials. The materials that have been vibrated and mixed enter the discharging hopper 7 and are reciprocally crushed by the fixed teeth 11 and the crushing teeth 12 to ensure the uniformity of the materials, and then are discharged from the outlet end of the discharging hopper 7. As needed, the pressure of the support spring 5 is adjusted through the spring adjustment mechanism to adapt to the vibration requirements of different materials and optimize the flow and mixing effects of the materials. The rotating rod 8 on the discharging hopper 7 is in fitting connection with the belt transmission assembly 29, and through the drive of the reciprocating drive motor 28, continuous discharging and conveying of the materials are realized.

[0035] In summary, when the overall equipment is in use or operation: When the spring vibration mechanism needs to operate, the vibrating motor 2 is installed at the bottom end of the vibrating box 1. After being started, it generates vibration, and the vibration is transmitted to the support spring 5 through the side plate 3. The other end of the support spring 5 is in fitting connection with the side plate 3. The support spring 5 is installed at the top end of the chassis 6 to support the vibrating box 1 and at the same time make the materials in the vibrating box 1 vibrate, promoting the flow and mixing of the materials. The sieve rotating plate is fitted and installed inside the vibrating box 1 for screening materials to ensure the quality of the materials.

[0036] When the operation of the discharging and rolling mechanism is required, the discharging hopper 7 is fixedly installed on the side of the chassis 6. Materials enter the discharging hopper 7 through the vibrating box 1. The rotating rod 8 is horizontally and rotatably arranged on the discharging hopper 7. The rotating sleeve 9 is arranged on the rotating rod 8, and the movable plate 10 is arranged on the side of the rotating sleeve 9. The fixed teeth 11 are installed on the inner wall of the discharging hopper 7, and the crushing teeth 12 are installed on the side wall of the movable plate 10. The fixed teeth 11 and the crushing teeth 12 are reciprocally arranged for crushing, and the crushing teeth 12 are arranged at the outlet end of the discharging hopper 7 for crushing materials to ensure the uniformity of the materials. The crushed materials are discharged from the outlet end of the discharging hopper 7.

[0037] When the operation of the spring adjusting mechanism is required, multiple groups of threaded plates 13 are provided, and the threaded plates 13 are arranged in parallel on the support spring 5. By rotating the rotating bolt 14, the position of the lead screw 15 can be adjusted, and then the lead screw 15 passes through the threaded plates 13 in sequence to adjust the pre-tightening force of the support spring 5 to meet the vibration requirements of different materials. The stabilizing sleeve 16 is arranged at the bottom of the side plate 3, and the lead screw 15 is arranged in cooperation with the stabilizing sleeve 16 to ensure the stability and accuracy of the adjustment process.

[0038] Materials are added to the vibrating box 1 through the feeding hopper 19. The bottom output end of the connecting hopper 20 is in communication and cooperation with the top opening end of the discharging hopper 7. The vibrating motor 2 is started, and the materials are vibrated in the vibrating box 1 and screened by the sieve rotating plate to promote the flow and mixing of the materials. The materials that have been vibrated and mixed enter the discharging hopper 7, and the reciprocating crushing of the fixed teeth 11 and the crushing teeth 12 ensures the uniformity of the materials, and then the materials are discharged from the outlet end of the discharging hopper 7. According to the need, the pressure of the support spring 5 is adjusted through the spring adjusting mechanism to meet the vibration requirements of different materials and optimize the flow and mixing effect of the materials. The rotating rod 8 on the discharging hopper 7 is connected in cooperation with the transmission belt assembly 29, and through the drive of the reciprocating drive motor 28, the continuous discharging and conveying of the materials are realized.

[0039] In all the above-mentioned solutions, for the connection between two components, welding, connection with bolts and nuts, connection with bolts or screws, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated here one by one. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete mixing plant lower hopper vibration device, comprising a vibration box (1), a spring vibration mechanism, a discharge rolling mechanism and a spring adjustment mechanism, wherein: The spring vibration mechanism comprises a vibration motor (2), a lateral plate (3), a screening plate (4), a support spring (5) and a base frame (6); the vibration motor (2) is mounted at the bottom end of the vibration box (1); the lateral plate (3) is mounted around the vibration box (1); the support spring (5) is mounted at the top end of the base frame (6); the other end of the support spring (5) is connected to the lateral plate (3); the screening plate (4) is mounted inside the vibration box (1); the discharging and crushing mechanism comprises a discharge bucket (7), a rotating rod (8), a rotating sleeve (9), a movable plate (10), and a rotating rod (11). 10), fixed teeth (11) and crushing teeth (12), the discharge bucket (7) is fixedly mounted on the side of the base frame (6), the rotating rod (8) is laterally rotatably mounted on the discharge bucket (7), the rotating sleeve (9) is mounted on the rotating rod (8), the movable plate (10) is mounted on the side of the rotating sleeve (9), the fixed teeth (11) are mounted on the inner wall of the discharge bucket (7), the crushing teeth (12) are mounted on the side wall of the movable plate (10), the fixed teeth (11) and the crushing teeth (12) are reciprocatingly crushed, and the crushing teeth (12) are arranged at the outlet end of the discharge bucket (7).

2. The concrete mixing plant lower hopper vibration device according to claim 1 is characterized in that: The spring adjustment mechanism comprises a threaded plate (13), a rotating bolt (14), a lead screw (15) and a stabilizing sleeve (16); the threaded plate (13) is provided in multiple groups, and the threaded plate (13) is arranged in parallel on the support spring (5); the stabilizing sleeve (16) is arranged at the bottom of the lateral plate (3); the lead screw (15) is arranged on the stabilizing sleeve (16) in a matching manner; the rotating bolt (14) is arranged on the top of the lateral plate (3) in a matching directional rotation manner; the lead screw (15) is arranged in a threaded manner in a matching manner with the rotating bolt (14); and the lead screw (15) can pass through the threaded plate (13) in sequence.

3. The concrete mixing plant lower hopper vibration device according to claim 1, characterized in that: The open end of the vibration box (1) is provided with a box cover (17), and the box cover (17) and the two end sides of the vibration box (1) are provided with locking components (18), and the locking components (18) fix and seal the box cover (17) on the top of the vibration box (1).

4. The concrete mixing plant lower hopper vibration device according to claim 3 is characterized by: A adding bucket (19) is installed on one side of the top end surface of the box cover (17), a connecting bucket (20) is installed on the side of the vibration box (1), and the bottom output end of the connecting bucket (20) is connected to the top opening end of the discharge bucket (7).

5. The concrete mixing plant lower hopper vibration device according to claim 1, characterized in that: A connecting plate (21) and a fixing plate (22) are installed on the outer side of the discharge bucket (7), and the connecting plate (21) is fixed on the side of the base frame (6). A stabilizing spring (23) and a sleeve rod (24) are installed on the side of the fixing plate (22).

6. The concrete mixing plant lower hopper vibration device according to claim 1, characterized in that: A sleeve (25) is installed on the side of the movable plate (10), a pressure block (26) is installed on one end of the sleeve (25), one end of the sleeve rod (24) extends into the discharge bucket (7), and the sleeve rod (24) is movably sleeved in the sleeve (25), and one end of the stabilizing spring (23) is matched and connected with one end of the pressure block (26).

7. The concrete mixing plant lower hopper vibration device according to claim 1, characterized in that: A motor frame (27) is installed on the side of the discharge bucket (7), and a reciprocating drive motor (28) is installed on the top of the motor frame (27).

8. A concrete mixing plant lower hopper vibration device according to claim 7, characterized in that: A transmission belt assembly (29) is installed at the output end of the reciprocating drive motor (28), and a rotating rod (8) on the discharge bucket (7) is cooperatively connected with the transmission belt assembly (29).