Biological agent production device
By designing the mixing rod with staggered structures and the removable top and bottom cover, the existing biological fungal agent production equipment is solved for the cumbersome disassembly and the poor mixing effect, achieving efficient stirring and convenient maintenance.
Patent Information
- Application Number
- CN202421889746.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The existing biological fungic agent production equipment is complicated during disassembly and cleaning, and the stirring effect is poor and the raw materials are not mixed well.
A biological fungic agent production device is designed, using an interlaced mixing rod for stirring clockwise and counterclockwise to improve the stirring effect; at the same time, it is designed with a removable top cover and bottom cover for easy cleaning and maintenance.
Improve the stirring effect, fully mix raw materials, and simplify the disassembly and cleaning process, improving work efficiency and maintainability of the equipment.
Smart Images

Figure CN223033363U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microbial agents, in particular to a production device for biological agents. Background Art
[0002] A microbial agent refers to a live microbial agent prepared by industrial production and propagation of target microorganisms (effective bacteria), using a porous material as an adsorbent (such as peat and vermiculite) to adsorb the fermentation broth of the bacteria. This kind of agent is used for seed dressing or root dipping, and has the functions of directly or indirectly improving soil, restoring soil fertility, preventing soil-borne diseases, maintaining the balance of the rhizosphere microbial flora, and degrading toxic and harmful substances. The proper use of agricultural microbial agents can increase the yield of agricultural products, improve the quality of agricultural products, reduce the use of chemical fertilizers, reduce costs, improve soil, and protect the ecological environment. According to the types or functional characteristics of the microorganisms contained, it can be divided into: rhizobium agent, nitrogen-fixing bacteria agent, phosphorus-solubilizing microbial agent, silicate microbial agent, photosynthetic bacteria agent, organic matter composting agent, growth-promoting bacteria agent, mycorrhizal bacteria agent, bioremediation bacteria agent, etc.;
[0003] However, in actual use, both the tank body and the tank cover are hermetically connected, and the disassembly is rather cumbersome, which is not conducive to workers cleaning the microbial agent remaining on the inner wall of the tank body, delaying the work efficiency; at the same time, when stirring the raw materials, only a single shaft can stir the raw materials in a single direction, resulting in a not very good stirring effect and insufficient mixing of the raw materials; Therefore, we propose a production device for biological agents to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to propose a production device for biological agents to solve the deficiencies in the background art.
[0005] To achieve the above object, the technical solution adopted by the present utility model is as follows: A biological inoculant production device, comprising: a tank body, a fixed seat, a side plate, a support rod, a base, a first threaded hole, a first inner groove, a first sealing groove, a top cover, a second threaded hole, a first bolt, a first sealing seat, a first sealing strip, a feed hopper, a first motor, a first rotating shaft rod, a first cross bar, a first stirring rod, a third threaded hole, a second inner groove, a second sealing groove, a bottom cover, a fourth threaded hole, a second bolt, a second sealing seat, a second sealing strip, a blanking pipe, a valve, a second motor, a second rotating rod, a second cross bar, a second stirring rod, and a controller. The fixed seat is fixedly installed on the surface of the tank body. A side plate is fixedly installed between the fixed seat and the surface of the tank body. A plurality of the support rods are fixedly installed at the bottom of the fixed seat. The support rods are fixedly installed at the bottom with a base. A plurality of the first threaded holes are provided on the top surface of the tank body. A first inner groove is provided inside the top of the tank body. A first sealing groove is provided at the bottom inside the first inner groove. The top cover is movably installed on the top of the tank body. A plurality of the second threaded holes are provided on the edge of the surface of the top cover. The first bolt is threadedly connected inside both the first threaded hole and the second threaded hole. The first sealing seat is fixedly installed at the bottom of the top cover, and the first sealing seat is movably installed inside the first inner groove. The first sealing strip is fixedly installed at the bottom of the first sealing seat, and the first sealing strip is movably installed inside the first sealing groove. The feed hopper is fixedly installed on the right side of the upper surface of the top cover. The first motor is fixedly installed in the middle of the upper surface of the top cover. The output end at the bottom of the first motor is fixedly installed with a first rotating shaft rod, and the first rotating shaft rod extends rotatably to the inside of the tank body at the bottom. The first cross bar is fixedly installed at the bottom of the first rotating shaft rod. A plurality of the first stirring rods are fixedly installed at the bottom of the first cross bar. A plurality of the third threaded holes are provided on the bottom surface of the tank body. A second inner groove is provided inside the bottom of the tank body. A second sealing groove is provided at the top inside the second inner groove. The bottom cover is movably installed at the bottom of the tank body. A plurality of the fourth threaded holes are provided on the edge of the surface of the bottom cover, and the second bolt is threadedly connected inside both the third threaded hole and the fourth threaded hole. The second sealing seat is fixedly installed at the top of the bottom cover, and the second sealing seat is movably installed inside the second inner groove. The second sealing strip is fixedly installed at the top of the second sealing seat, and the second sealing strip is movably installed inside the second sealing groove. The blanking pipe is fixedly installed on the right side of the bottom of the bottom cover. The valve is fixedly installed inside the blanking pipe. The second motor is fixedly installed in the middle of the surface of the bottom cover. The output end at the top of the second motor is fixedly installed with a second rotating rod, and the second rotating rod extends rotatably to the inside of the tank body at the top. The second cross bar is fixedly installed at the top of the second rotating rod. A plurality of the second stirring rods are fixedly installed at the top of the second cross bar. The controller is fixedly installed on the surface of the tank body.
[0006] Preferably, the first stirring rod and the second stirring rod are arranged in a staggered structure.
[0007] Preferably, the top cover is in an inlaid structure with the inside of the first inner groove through the first sealing seat, and the first threaded holes correspond to the second threaded holes one by one.
[0008] Preferably, the first sealing strip is in an inlaid structure with the inside of the first sealing groove.
[0009] Preferably, the bottom cover is in an inlaid structure with the inside of the second inner groove through the second sealing seat, and the third threaded holes correspond to the fourth threaded holes one by one.
[0010] Preferably, the second sealing strip is in an inlaid structure with the inside of the second sealing groove.
[0011] Preferably, the controller is electrically connected to both the first motor and the second motor.
[0012] The utility model has the following beneficial effects compared with the prior art:
[0013] (1) The first motor can drive the first rotating rod to rotate clockwise. The first rotating rod can synchronously drive the first cross bar and the first stirring rod to rotate, so that the first stirring rod can stir the microbial raw materials inside the tank clockwise; at the same time, the second motor can drive the second rotating rod to rotate counterclockwise. The second rotating rod can synchronously drive the second cross bar and the second stirring rod to rotate, so that the first stirring rod can stir the microbial raw materials inside the tank counterclockwise. Thus, the first stirring rod and the first stirring rod can simultaneously stir the microbial raw materials inside the tank clockwise and counterclockwise, thereby greatly improving the stirring effect and fully mixing the raw materials.
[0014] (2) By inlaying the first sealing seat inside the first inner groove, the first sealing seat and the first inner groove can be disassembled and assembled. The first sealing seat can be detached from the inside of the first inner groove, and the top cover can be synchronously detached from the top of the tank, so that the first stirring rod can be taken out from the inside of the tank and the top of the tank can be unfolded; at the same time, by inlaying the second sealing seat inside the second inner groove, the second sealing seat and the second inner groove can be disassembled and assembled. The second sealing seat can be detached from the inside of the second inner groove, and the bottom cover can be synchronously detached from the bottom of the tank, so that the second stirring rod can be taken out from the inside of the tank and the bottom of the tank can be unfolded; thus, by detaching the top cover and the bottom cover from the tank, it is convenient for people to clean the microbial agents remaining on the inner wall of the tank, and at the same time, it is convenient to repair and replace the parts on the top cover and the bottom cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the front view of the whole utility model;
[0016] Figure 2 is the schematic front sectional structure view of the whole utility model;
[0017] Figure 3 is the enlarged structural schematic diagram of part A of the overall utility model Figure 2 in the utility model;
[0018] Figure 4 is the enlarged structural schematic diagram of part B of the overall utility model Figure 2 in the utility model.
[0019] In the figure: 1, tank body; 2, fixed seat; 3, side plate; 4, support rod; 5, base; 6, first threaded hole; 7, first inner groove; 8, first sealing groove; 9, top cover; 10, second threaded hole; 11, first bolt; 12, first sealing seat; 13, first sealing strip; 14, feed hopper; 15, first motor; 16, first rotating shaft rod; 17, first cross bar; 18, first stirring rod; 19, third threaded hole; 20, second inner groove; 21, second sealing groove; 22, bottom cover; 23, fourth threaded hole; 24, second bolt; 25, second sealing seat; 26, second sealing strip; 27, blanking pipe; 28, valve; 29, second motor; 30, second rotating rod; 31, second cross bar; 32, second stirring rod; 33, controller. Specific embodiments
[0020] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations.
[0021] Such as Figures 1-4A biological bactericide production device shown in the figure includes: a tank body 1, a fixed seat 2, a side plate 3, a support rod 4, a base 5, a first threaded hole 6, a first inner groove 7, a first sealing groove 8, a top cover 9, a second threaded hole 10, a first bolt 11, a first sealing seat 12, a first sealing strip 13, a feed hopper 14, a first motor 15, a first rotating shaft rod 16, a first cross bar 17, a first stirring rod 18, a third threaded hole 19, a second inner groove 20, a second sealing groove 21, a bottom cover 22, a fourth threaded hole 23, a second bolt 24, a second sealing seat 25, a second sealing strip 26, a blanking pipe 27, a valve 28, a second motor 29, a second rotating rod 30, a second cross bar 31, a second stirring rod 32, a controller 33. A fixed seat 2 is fixedly installed on the surface of the tank body 1. A side plate 3 is fixedly installed between the fixed seat 2 and the surface of the tank body 1. A plurality of support rods 4 are fixedly installed at the bottom of the fixed seat 2. The bottom of the support rods 4 is fixedly installed with a base 5. A plurality of first threaded holes 6 are provided on the top surface of the tank body 1. A first inner groove 7 is provided inside the top of the tank body 1. A first sealing groove 8 is provided at the bottom inside the first inner groove 7. A top cover 9 is movably installed on the top of the tank body 1. A plurality of second threaded holes 10 are provided on the edge of the surface of the top cover 9. A first bolt 11 is threadedly connected inside both the first threaded hole 6 and the second threaded hole 10. A first sealing seat 12 is fixedly installed at the bottom of the top cover 9, and the first sealing seat 12 is movably installed inside the first inner groove 7. A first sealing strip 13 is fixedly installed at the bottom of the first sealing seat 12, and the first sealing strip 13 is movably installed inside the first sealing groove 8. A feed hopper 14 is fixedly installed on the right side of the upper surface of the top cover 9. A first motor 15 is fixedly installed in the middle of the upper surface of the top cover 9. The bottom output end of the first motor 15 is fixedly installed with a first rotating shaft rod 16, and the bottom of the first rotating shaft rod 16 rotates and extends to the inside of the tank body 1. A first cross bar 17 is fixedly installed at the bottom of the first rotating shaft rod 16. A plurality of first stirring rods 18 are fixedly installed at the bottom of the first cross bar 17. A plurality of third threaded holes 19 are provided on the bottom surface of the tank body 1. A second inner groove 20 is provided inside the bottom of the tank body 1. A second sealing groove 21 is provided at the top inside the second inner groove 20. A bottom cover 22 is movably installed at the bottom of the tank body 1. A plurality of fourth threaded holes 23 are provided on the edge of the surface of the bottom cover 22, and a second bolt 24 is threadedly connected inside both the third threaded hole 19 and the fourth threaded hole 23. A second sealing seat 25 is fixedly installed at the top of the bottom cover 22, and the second sealing seat 25 is movably installed inside the second inner groove 20. A second sealing strip 26 is fixedly installed at the top of the second sealing seat 25, and the second sealing strip 26 is movably installed inside the second sealing groove 21. A blanking pipe 27 is fixedly installed on the right side of the bottom of the bottom cover 22. A valve 28 is fixedly installed inside the blanking pipe 27. A second motor 29 is fixedly installed in the middle of the surface of the bottom cover 22. The top output end of the second motor 29 is fixedly installed with a second rotating rod 30, and the top of the second rotating rod 30 rotates and extends to the inside of the tank body 1. A second cross bar 31 is fixedly installed at the top of the second rotating rod 30. A plurality of second stirring rods 32 are fixedly installed at the top of the second cross bar 31.A controller 33 is fixedly installed on the surface of the tank body 1.
[0022] In this embodiment, the first stirring rod 18 and the first stirring rod 32 are arranged in a staggered structure.
[0023] During specific use, the first motor 15 can drive the first rotating rod 16 to rotate clockwise. The first rotating rod 16 can synchronously drive the first cross bar 17 and the first stirring rod 18 to rotate, so that the first stirring rod 18 can stir the microbial raw materials inside the tank body 1 clockwise; at the same time, the second motor 29 can drive the second rotating rod 30 to rotate counterclockwise. The second rotating rod 30 can synchronously drive the second cross bar 31 and the second stirring rod 32 to rotate, so that the first stirring rod 18 can stir the microbial raw materials inside the tank body 1 counterclockwise. Thus, the first stirring rod 18 and the first stirring rod 18 can simultaneously stir the microbial raw materials inside the tank body 1 clockwise and counterclockwise, thereby greatly improving the stirring effect and fully mixing the raw materials.
[0024] In this embodiment, the top cover 9 is in an inlaid structure with the inside of the first inner groove 7 through the first sealing seat 12, and the first threaded hole 6 corresponds to the second threaded hole 10 one by one.
[0025] During specific use, by inlaying the first sealing seat 12 inside the first inner groove 7, the first sealing seat 12 and the first inner groove 7 can be disassembled and assembled. The first sealing seat 12 can be disengaged from the inside of the first inner groove 7, and the top cover 9 can be synchronously disengaged from the top of the tank body 1, so that the first stirring rod 18 can be taken out from the inside of the tank body 1, and the top of the tank body 1 can be unfolded, thus facilitating people to clean the microbial agent remaining on the inner wall of the tank body 1 and facilitating the repair and replacement of the parts inside the top cover 9;
[0026] The first bolt 11 can be tightened into the first threaded hole 6 and the second threaded hole 10, thereby locking and fixing between the top cover 9 and the top of the tank body 1, making the installation and disassembly between the top cover 9 and the tank body 1 convenient.
[0027] In this embodiment, the first sealing strip 13 is in an inlaid structure with the inside of the first sealing groove 8.
[0028] During specific use, when the first sealing seat 12 is inlaid inside the first inner groove 7, the first sealing strip 13 can be synchronously inlaid inside the first sealing groove 8, thereby further improving the sealing performance between the top cover 9 and the top of the tank body 1.
[0029] In this embodiment, the bottom cover 22 is in an inlaid structure with the inside of the second inner groove 20 through the second sealing seat 25, and the third threaded hole 19 corresponds to the fourth threaded hole 23 one by one.
[0030] During specific use, the second sealing seat 25 is embedded inside the second inner groove 20, enabling disassembly and assembly between the second sealing seat 25 and the second inner groove 20. The second sealing seat 25 can be detached from the inside of the second inner groove 20, and simultaneously the bottom cover 22 can be detached from the bottom of the tank body 1, allowing the second stirring rod 32 to be taken out from the inside of the tank body 1, and enabling the bottom of the tank body 1 to be unfolded. This facilitates people to clean the microbial agent remaining on the inner wall of the tank body 1, and at the same time facilitates the maintenance and replacement of the parts inside the bottom cover 22;
[0031] The second bolt 24 can be tightened into the third threaded hole 19 and the fourth threaded hole 23, thereby locking and fixing between the bottom cover 22 and the bottom of the tank body 1, making the installation and disassembly between the bottom cover 22 and the tank body 1 convenient.
[0032] In this embodiment, the second sealing strip 26 and the second sealing groove 21 have an embedded structure inside.
[0033] During specific use, when the second sealing seat 25 is embedded inside the second inner groove 20, the second sealing strip 26 can be synchronously embedded inside the second sealing groove 21, thereby further improving the sealing performance between the bottom cover 22 and the bottom of the tank body 1.
[0034] In this embodiment, the controller 33 is electrically connected to both the first motor 15 and the second motor 29.
[0035] During specific use, the working states of the first motor 15 and the second motor 29 can be independently controlled through the controller 33.
[0036] The working principle of a biological agent production device mentioned in the present utility model:
[0037] During use, microbial raw materials can be added into the tank body 1 through the feed hopper 14; then the first motor 15 drives the first rotating rod 16 to rotate clockwise, and the first rotating rod 16 synchronously drives the first cross bar 17 and the first stirring rod 18 to rotate, enabling the first stirring rod 18 to stir the microbial raw materials inside the tank body 1 clockwise; at the same time, the second motor 29 drives the second rotating rod 30 to rotate counterclockwise, and the second rotating rod 30 synchronously drives the second cross bar 31 and the second stirring rod 32 to rotate, enabling the first stirring rod 18 to stir the microbial raw materials inside the tank body 1 counterclockwise. Thus, the first stirring rod 18 and the first stirring rod 18 can simultaneously stir the microbial raw materials inside the tank body 1 clockwise and counterclockwise, thereby greatly improving the stirring effect and fully mixing the raw materials;
[0038] Meanwhile, by embedding the first sealing seat 12 inside the first inner groove 7, the first sealing seat 12 and the first inner groove 7 can be disassembled and assembled, enabling the first sealing seat 12 to be detached from the inside of the first inner groove 7. At the same time, the top cover 9 can be detached from the top of the tank body 1, allowing the first stirring rod 18 to be taken out from the inside of the tank body 1, and the top of the tank body 1 can be unfolded. Meanwhile, by embedding the second sealing seat 25 inside the second inner groove 20, the second sealing seat 25 and the second inner groove 20 can be disassembled and assembled, enabling the second sealing seat 25 to be detached from the inside of the second inner groove 20. At the same time, the bottom cover 22 can be detached from the bottom of the tank body 1, allowing the second stirring rod 32 to be taken out from the inside of the tank body 1, and the bottom of the tank body 1 can be unfolded. Thus, by detaching the top cover 9 and the bottom cover 22 from the tank body 1, it is convenient for people to clean the microbial agents remaining on the inner wall of the tank body 1, and at the same time, it is convenient to repair and replace the parts on the top cover 9 and the bottom cover 22.
[0039] Meanwhile, when the first sealing seat 12 is embedded inside the first inner groove 7, the first sealing strip 13 can be synchronously embedded inside the first sealing groove 8, thereby further improving the sealing performance between the top cover 9 and the top of the tank body 1. And when the second sealing seat 25 is embedded inside the second inner groove 20, the second sealing strip 26 can be synchronously embedded inside the second sealing groove 21, thus further improving the sealing performance between the bottom cover 22 and the bottom of the tank body 1.
[0040] Meanwhile, by screwing the first bolt 11 into the first threaded hole 6 and the second threaded hole 10, the top cover 9 and the top of the tank body 1 can be locked and fixed, making the installation and disassembly between the top cover 9 and the tank body 1 convenient. At the same time, by screwing the second bolt 24 into the third threaded hole 19 and the fourth threaded hole 23, the bottom cover 22 and the bottom of the tank body 1 can be locked and fixed, making the installation and disassembly between the bottom cover 22 and the tank body 1 convenient.
[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.
Claims
1. A biological agent production device, comprising: Tank body (1), fixing seat (2), side plate (3), support rod (4), base (5), first threaded hole (6), first inner groove (7), first sealing groove (8), top cover (9), second threaded hole (10), first bolt (11), first sealing seat (12), first sealing strip (13), feed hopper (14), first motor (15), first rotating shaft rod (16), first cross bar (17), first stirring rod (18), third threaded hole (19), second inner groove (20), second sealing groove (21), bottom cover (22), fourth threaded hole (23), second bolt (24), second sealing seat (25), second sealing strip (26), feed pipe (27), valve (28), second motor (29 ), a second rotating rod (30), a second cross rod (31), a second stirring rod (32), and a controller (33), characterized in that: a fixing seat (2) is fixedly installed on the surface of the tank body (1), a side plate (3) is fixedly installed between the fixing seat (2) and the surface of the tank body (1), a plurality of the support rods (4) are fixedly installed on the bottom of the fixing seat (2), a base (5) is fixedly installed on the bottom of the support rods (4), a plurality of the first threaded holes (6) are arranged on the top surface of the tank body (1), a first inner groove (7) is arranged on the inner side of the top of the tank body (1), a first sealing groove (8) is arranged on the bottom of the first inner groove (7), a top cover (9) is movably installed on the top of the tank body (1), and the edge of the surface of the top cover (9) A plurality of second threaded holes (10) are provided, the first threaded holes (6) and the second threaded holes (10) are both threadedly connected with first bolts (11), a first sealing seat (12) is fixedly installed at the bottom of the top cover (9), and the first sealing seat (12) is movably installed inside the first inner groove (7), a first sealing strip (13) is fixedly installed at the bottom of the first sealing seat (12), and the first sealing strip (13) is movably installed inside the first sealing groove (8), a feed hopper (14) is fixedly installed on the right side of the upper surface of the top cover (9), a first motor (15) is fixedly installed in the middle of the upper surface of the top cover (9), a first rotating shaft rod (16) is fixedly installed at the bottom output end of the first motor (15), and the first The bottom of the rotating shaft rod (16) is rotated to extend into the interior of the tank body (1); a first cross bar (17) is fixedly installed at the bottom of the first rotating shaft rod (16); a plurality of the first stirring rods (18) are fixedly installed at the bottom of the first cross bar (17); a plurality of the third threaded holes (19) are arranged on the bottom surface of the tank body (1); a second inner groove (20) is arranged on the inner side of the bottom of the tank body (1); a second sealing groove (21) is arranged on the top of the second inner groove (20); a bottom cover (22) is movably installed at the bottom of the tank body (1); a plurality of the fourth threaded holes (23) are arranged on the surface edge of the bottom cover (22); and the third threaded holes (19) and the fourth threaded holes (23) are both threadedly connected with second bolts (24).A second sealing seat (25) is fixedly mounted on the top of the bottom cover (22), and the second sealing seat (25) is movably mounted inside the second inner groove (20); a second sealing strip (26) is fixedly mounted on the top of the second sealing seat (25), and the second sealing strip (26) is movably mounted inside the second sealing groove (21); a feeding pipe (27) is fixedly mounted on the right side of the bottom of the bottom cover (22), and a valve (28) is fixedly mounted inside the feeding pipe (27); a second motor (29) is fixedly mounted on the middle of the surface of the bottom cover (22); a second rotating rod (30) is fixedly mounted on the top output end of the second motor (29), and the top of the second rotating rod (30) rotates and extends into the inside of the tank body (1); a second cross bar (31) is fixedly mounted on the top of the second rotating rod (30), and a plurality of second stirring rods (32) are fixedly mounted on the top of the second cross bar (31); and a controller (33) is fixedly mounted on the surface of the tank body (1).
2. A biological agent production device according to claim 1, characterized in that: The first stirring rod (18) and the second stirring rod (32) are arranged in a staggered structure.
3. A biological agent production device according to claim 1, characterized in that: The top cover (9) is an embedded structure with the interior of the first inner groove (7) through the first sealing seat (12), and the first threaded hole (6) corresponds to the second threaded hole (10) one by one.
4. A biological agent production device according to claim 1, characterized in that: The first sealing strip (13) and the interior of the first sealing groove (8) are inlaid structures.
5. The biological agent production device according to claim 1, characterized in that: The bottom cover (22) is an embedded structure with the interior of the second inner groove (20) through the second sealing seat (25), and the third threaded hole (19) corresponds to the fourth threaded hole (23) one by one.
6. A biological agent production device according to claim 1, characterized in that: The second sealing strip (26) and the interior of the second sealing groove (21) are inlaid structures.
7. A biological agent production device according to claim 1, characterized in that: The controller (33) is electrically connected to both the first motor (15) and the second motor (29).