Rotary sealing mechanism for fixing center cylinder of stirring barrel
A technology of rotary sealing and sealing mechanism, applied in the direction of engine sealing, cement mixing device, mechanical equipment, etc., can solve the problems of deformation, relaxation and even gap of sealing cover and rotary sealing mechanism, damage of rotary sealing mechanism, affecting sealing effect, etc. To achieve the effect of improving heat preservation and moisturizing, ensuring quality and improving sealing effect
Pending Publication Date: 2021-03-16
SHANDONG JINGTONG ENG MASCH CO LTD
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Problems solved by technology
[0002] When the mixer truck is in the loading state, the mixing tank will be bumpy, and under the action of external force, the sealing cover and the rotary sealing mechanism at the end of the mixing tank will be deformed, loose and even cracked, which will affect the sealing effect
Bumps and deformation will also cause damage to the rotary sealing mechanism, resulting in problems such as leakage and short service life
[0003] On the other hand, the existing rotary sealing mechanism still has the problems of complex structure and difficult maintenance
Method used
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Embodiment 2
[0048] like image 3 The difference between this embodiment and Embodiment 1 is that an annular hoop 9 is provided on the outer side of the outer ring sealing mechanism 8, and the disconnection of the annular hoop 9 is tightened with bolts, thereby fixing the outer ring sealing mechanism 8 At the end of mixing bucket 1. When using the structure, the surrounding ring 3-1 is located outside the ring hoop 9 and does not directly contact with the outer circular surface of the outer ring 8-1.
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The invention discloses a rotary sealing mechanism for fixing a central barrel of a stirring barrel. The central barrel is arranged in the stirring barrel, the central barrel synchronously rotates along with the stirring barrel, and the rotary sealing mechanism comprises a rotary sealing cover; a through hole is formed in the middle of the rotary sealing cover, and the tail end of the central barrel penetrates through the through hole and is located on the rear side of the rotary sealing cover; the rotary sealing mechanism further comprises an outer ring sealing mechanism, the outer ring sealing mechanism is arranged between the outer edge of the rotary sealing cover and the tail end of the stirring barrel, so that the sealing between the rotary sealing cover and the stirring barrel is realized; the rotary sealing mechanism further comprises a pressing device, the pressing device is used for pushing the rotary sealing cover forwards and pressing the outer ring sealing mechanism; and the rotary sealing mechanism further comprises an inner ring sealing mechanism, and the inner ring sealing mechanism is used for realizing sealing between the rotary sealing cover and the central barrel. The rotary sealing mechanism solves the problem of leakage of concrete, prolongs the service life of the sealing device, improves the heat preservation and moisture retention, guarantees the qualityof the concrete, and has the advantages of simple structure and convenience in maintenance.
Description
technical field [0001] The invention relates to a rotary sealing mechanism for a mixer truck. Background technique [0002] When the mixer truck is running in the loading state, the mixing tank will be bumpy, and under the action of external force, the sealing cover and the rotary sealing mechanism at the end of the mixing tank will be deformed, loose and even cracked, which will affect the sealing effect. Bumps and deformations can also cause damage to the rotary sealing mechanism, resulting in problems such as leakage and short service life. [0003] On the other hand, the existing rotary sealing mechanism still has the problems of complicated structure and difficult maintenance. Contents of the invention [0004] The invention proposes a rotary sealing mechanism with a fixed central cylinder of the mixing bucket, the purpose of which is to: (1) reduce the damage of the rotary sealing mechanism during driving; (2) improve the sealing effect; structure. [0005] Techni...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B28C5/42F16J15/18
CPCB28C5/4262F16J15/18F16J15/184
Inventor 盛富春
Owner SHANDONG JINGTONG ENG MASCH CO LTD