CN222309283U - Discharging mechanism of concrete mixing tank - Google Patents
Discharging mechanism of concrete mixing tank Download PDFInfo
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- CN222309283U CN222309283U CN202420276569.XU CN202420276569U CN222309283U CN 222309283 U CN222309283 U CN 222309283U CN 202420276569 U CN202420276569 U CN 202420276569U CN 222309283 U CN222309283 U CN 222309283U
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- sealing
- sealing ring
- screw shaft
- discharging mechanism
- bearing
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- 238000007599 discharging Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 135
- 239000000945 filler Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Accessories For Mixers (AREA)
Abstract
The application discloses a discharging mechanism of a concrete mixing tank, which comprises a moving component and a sealing component, wherein the moving component is connected with the sealing component, so that the moving component drives the sealing component to move, the sealing component comprises a tank door and a sealing ring, the sealing ring is connected with the tank door, a chamfer is arranged on the sealing ring, the chamfer is parallel to a rim at a discharging hole of a tank body, and the sealing ring has a length, so that the sealing ring is still parallel to the rim at the discharging hole of the tank body after being worn, and further, the sealing can still be stably sealed after the sealing component is moved by the moving component. The application has the effect of improving the durability and the sealing performance of the discharging mechanism of the concrete mixing tank.
Description
Technical Field
The application relates to the technical field of engineering machinery, in particular to a discharging mechanism of a concrete mixing tank.
Background
For a concrete mixer truck used underground, the mixer tank on the truck body is usually horizontally arranged, namely the central line of the mixer tank is parallel to the ground, and the mixer tank horizontally arranged on the truck body has the greatest advantage that a sealing door for sealing the discharge hole is arranged at the discharge hole, so that 80% of the concrete in the geometric volume of the tank body can be loaded.
However, the sealing door of the discharge port still has the technical problems of poor sealing, durability and the like.
The Chinese patent application with publication number CN110039658A discloses an arrangement and sealing mode of a stirring tank of a metal mine underground concrete mixer, which reveals that a discharge port cover is an outer conical surface, a discharge port is an inner conical surface, and the sealing of the stirring tank is realized by simulating the sealing principle of a 74-degree hydraulic joint body. The sealing principle of the 74-degree hydraulic connector body requires higher surface precision requirements on the inner conical surface and the outer conical surface, and the diameter range of the discharge hole is between phi 300 and phi 500, so that the surface precision of the inner conical surface and the outer conical surface is ensured to be ensured by machine tool machining, and the production and machining cost is higher.
The Chinese patent with the issued publication number of CN205380779U discloses a horizontally placed mixing drum and a mixing truck, which disclose the principles of a discharge hole and a second sealing door, namely, manufacturing the discharge hole into the final end of the conical welding and mixing drum, welding a sealing door welding seat with the center of a drum body, welding a tightening screw on the sealing door welding seat, installing a sealing rubber on a rear sealing door body, installing the sealing door on the tightening screw, and rotating a rear tightening handle to achieve the aim of feeding or retreating the rear sealing door body so as to achieve the aim of sealing or opening the rear sealing door. In other embodiments, the second sealing door may be sealed in a conical surface seal or an end surface seal. "
For the sealing rubber, no matter conical surface sealing or end surface sealing is adopted, the sealing rubber is subjected to rapid abrasion caused by continuous friction with aggregate in concrete in the tank body during sealing. The concrete contains lime components, and the lime is alkaline, so that the lime has a corrosion effect on the sealing rubber, and the sealing rubber can be aged due to moisture in the concrete, so that the sealing is not durable.
For the sealing technology of the discharge hole, besides the sealing material, the shape and structure of the discharge hole are also key factors for determining the sealing performance, and the technical scheme is not disclosed.
Disclosure of utility model
The application provides a discharging mechanism of a concrete mixing tank, which aims to improve the durability and the sealing performance of the discharging mechanism of the concrete mixing tank.
The discharging mechanism of the concrete mixing tank provided by the application adopts the following technical scheme:
The utility model provides a discharge mechanism of concrete mixing tank, includes moving subassembly and sealing component, moving subassembly with sealing component connects for moving subassembly drives sealing component and removes, sealing component includes tank door and sealing ring, the sealing ring with the tank door is connected, just be equipped with the chamfer on the sealing ring, make the chamfer parallel with the rim of jar body discharge gate department, just the sealing ring has a length for it still parallels with the rim of jar body discharge gate department after wearing and tearing, and then makes through moving the sealing component after moving the sealing component, still can stable seal.
Through adopting above-mentioned technical scheme, remove the subassembly and drive seal assembly and remove, and then drive jar door, the sealing ring for the chamfer and the rim laminating of sealing ring realize the sealed of jar body discharge gate, when the sealing ring wearing and tearing, because the sealing ring has certain length, and the angle of chamfer also is consistent with the angle of rim, consequently, even the chamfer takes place wearing and tearing in the use, also not influence its sealing performance, as long as remove the sealing ring to jar body discharge gate through rotatory dwang, its sealing ring also can closely laminate in rim department, realize sealedly to the concrete in the jar body, and then improve its durability through the material and the structural shape of sealing ring, and the requirement to the precision is wider.
Preferably, the sealing ring is made of polyurethane.
By adopting the technical scheme, the Shore hardness value of the polyurethane is in the range of 64-72 degrees, and the Shore hardness can enable the elastic deformation of the sealing ring to be small and the hardness of the sealing ring to be improved.
Preferably, the moving assembly comprises a supporting frame, a screw shaft, a nut sleeve and a bearing seat, one end of the screw shaft is connected with the supporting frame, the other end of the screw shaft is connected with the nut sleeve, a rotating rod is arranged on the nut sleeve, a user rotates the rotating rod to adjust the relative position of the nut sleeve on the screw shaft, the bearing seat is arranged between the nut sleeve and the screw shaft, and the bearing seat is used for limiting the sealing assembly.
Through adopting above-mentioned technical scheme, through the dwang for unthreaded hole end in the nut cover is at screw rod epaxial rotary motion, and then drives bearing frame, jar door, sealing ring and carries out rotary motion, finally makes the chamfer and the rim laminating of sealing ring, realizes the sealing of jar body discharge gate.
Preferably, the bearing seat comprises a shell and an end cover, the shell is sleeved on the surfaces of the screw shaft and the nut sleeve, the end cover is arranged at one end of the shell far away from the screw shaft, and a bearing is arranged between the shell and the end cover.
Through adopting above-mentioned technical scheme, through the dwang for unthreaded hole end in the nut cover is at screw rod epaxial rotary motion, and the nut cover is at rotary motion's in-process, drives bearing frame, jar door, sealing ring through the rotation of bearing and carries out rotary motion.
Preferably, the shell is provided with a groove, and a filler is arranged in the groove and used for sealing the screw shaft and the bearing seat to prevent particle slurry in the tank body from entering the bearing seat.
By adopting the technical scheme, the filler is used for sealing the screw shaft and the bearing seat and preventing particle slurry in the tank body from entering the bearing seat.
Preferably, the inside of casing is equipped with the skeleton oil blanket at bearing both ends, the skeleton oil blanket is used for preventing mud in the jar body and external rainwater entering into in the bearing frame.
By adopting the technical scheme, the mud in the tank body and external rainwater are prevented from entering the bearing seat.
Preferably, the bearing adopts a self-aligning ball bearing.
Through adopting above-mentioned technical scheme, through the concentric ball bearing of aligning compensation jar body, the screw rod axle takes place deflection, and then through the chamfer on the ball bearing of aligning messenger sealing ring all the time with jar rim maintenance sealing performance of body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The moving component drives the sealing component to move, and then drives the tank door and the sealing ring to move, so that the chamfer angle of the sealing ring is attached to the rim, sealing of the discharge port of the tank body is realized, when the sealing ring is worn, as the sealing ring has a certain length, and the chamfer angle is consistent with the rim angle, therefore, even if the chamfer is worn in the use process, the sealing performance of the chamfer is not affected, and as long as the sealing ring is moved to the discharge hole of the tank body by rotating the rotating rod, the sealing ring is tightly attached to the rim, so that the sealing is realized on the concrete in the tank body, and the durability of the sealing ring is improved by the material and the structural shape of the sealing ring;
2. The Shore hardness value of the polyurethane is in the range of 64-72 ℃, and the Shore hardness can enable the elastic deformation of the sealing ring to be small and the hardness of the sealing ring to be improved;
3. Through the pivoted dwang for unthreaded hole end in the nut cover is at screw rod epaxial rotary motion, and the nut cover is at rotary motion's in-process, drives bearing frame, jar door, sealing ring through the rotation of bearing and carries out rotary motion.
Drawings
FIG. 1 is a front view of a discharging mechanism in the present embodiment;
fig. 2 is a partially enlarged schematic view of fig. 1 in the present embodiment.
The device comprises the following components of 1, a moving assembly, 2, a sealing assembly, 3, a tank door, 4, a sealing ring, 5, a chamfer angle, 6, a supporting frame, 7, a screw shaft, 8, a nut sleeve, 9, a bearing seat, 10, a rotating rod, 11, a shell, 12, an end cover, 13, a bearing, 14, a groove, 15, a filler, 16, a framework oil seal, 17 and a pressing plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a discharging mechanism of a concrete mixing tank.
Referring to fig. 1 and 2, the device comprises a moving assembly 1 and a sealing assembly 2, wherein the moving assembly 1 drives the sealing assembly 2 to move. The moving assembly 1 comprises a supporting frame 6, a screw shaft 7, a nut sleeve 8 and a bearing seat 9, wherein one end of the screw shaft 7 is connected with the middle of the supporting frame 6 through bolts, the other end of the screw shaft is in threaded sleeve connection with the nut sleeve 8, the nut sleeve 8 is welded with a rotating rod 10, a user can adjust the connection position of the nut sleeve 8 and the screw shaft 7 through rotating the rotating rod 10, and the bearing seat 9 is sleeved on the surface of the nut sleeve 8.
The bearing seat 9 comprises a shell 11 and an end cover 12, the shell 11 is sleeved at the joint of the screw shaft 7 and the nut sleeve 8, the end cover 12 is connected with one end of the screw shaft 7 far away from the screw shaft 7 by bolts, the end cover 12 is partially positioned in the shell 11, the nut sleeve 8 is sleeved with a bearing 13 between the end cover 12 and the shell 11, the bearing 13 is connected with the shell 11 by bolts, the shell 11 is connected with a tank door 3 by bolts, a pressing plate 17 is arranged in the tank door 3, the pressing plate 17 is connected with a sealing ring 4 by bolts, one end of the sealing ring 4 is attached to the tank door 3, the other end of the sealing ring is fixed on the tank door 3 by the pressing plate 17, bolts and nuts, the connection stability of the sealing ring 4 is improved by the pressing plate 17, when a chamfer 5 is attached to a rim, the sealing ring 4 is made of polyurethane, the sealing ring 4 has a Shore hardness value within the range of 64-72 degrees, the Shore hardness value is small, the elastic deformation of the sealing ring 4 can be improved, the outer contour of the sealing ring 4 is provided with a chamfer 5, the angle of the chamfer 5 is parallel to the rim at the discharge hole of the tank body, when a user wants to close the tank door 3, the rotating rod 10 is rotated, the light hole end in the nut sleeve 8 rotates and moves on the screw shaft 7, the bearing seat 9, the tank door 3 and the sealing ring 4 are driven to rotate and move by the rotation of the bearing 13 in the rotating and moving process of the nut sleeve 8, finally the chamfer 5 of the sealing ring 4 is attached to the rim to realize the sealing of the discharge hole of the tank body, and the chamfer 5 of the sealing ring 4 has a certain length, and the angle of the chamfer 5 is consistent with the angle of the rim, therefore, even if the chamfer 5 is worn in the use process, the sealing performance is not affected, the sealing ring 4 is tightly attached to the rim as long as the sealing ring 4 moves towards the discharge hole of the tank body by rotating the rotating rod 10, realize sealedly to the internal concrete of jar, and then improve its durability through the material and the structural shape of sealing ring 4, and through chamfer 5 that sets up on sealing ring 4, can reduce the manufacturing accuracy of rim, also for the chamfer 5 that passes through on sealing ring 4 in jar body rim department realizes conical surface seal, because sealing ring 4 has certain elasticity and chamfer 5 possess certain length, when consequently, rim and sealing ring 4 paste, can eliminate the manufacturing error of rim through sealing ring 4, and then reduce the manufacturing accuracy of rim.
The frame oil seals 16 are further arranged in the bearing seat 9, the frame oil seals 16 are respectively arranged on the front side and the rear side of the bearing 13, mud in the tank body and external rainwater are prevented from entering the bearing seat 9, a groove 14 is formed in the rear end of the bearing seat 9, a filler 15 such as graphite packing or felt is arranged in the groove 14 and used for sealing between the screw shaft 7 and the bearing seat 9, particles in the tank body are prevented from entering the bearing seat 9, and meanwhile, the mud can be blocked outside the bearing seat 9.
Further, in this embodiment, the shaft extension of the bearing seat 9 may be a conical surface, and the concrete in the tank body is prevented from remaining on the bearing seat 9 by the conical surface
Further, in this embodiment, the front end of the screw shaft 7 may be further screwed with a blocking piece, and by limiting the blocking piece to the front end of the screw shaft 7, the blocking piece may prevent the nut sleeve 8 from falling off the screw shaft 7 when the tank door 3 is opened.
Further, in this embodiment, the bearing 13 is a self-aligning ball bearing 13, which is used to compensate for the misalignment of the can body and the deflection of the screw shaft 7, so that the chamfer 5 on the sealing ring 47 always maintains sealing performance with the rim of the can body through the self-aligning ball bearing 13.
The embodiment of the application discloses an implementation principle of a discharging mechanism of a concrete mixing tank, which is that a chamfer angle 5 of a sealing ring 4 is parallel to a rim, so that the sealing ring 4 is tightly attached to the rim, and the sealing assembly 2 is driven by a moving assembly 1 to realize durable use of the sealing ring 4 through a certain length of the sealing ring 4 and the chamfer angle 5 of the sealing ring 4 is parallel to the rim, and the manufacturing precision of the rim can be reduced through the chamfer angle 5 arranged on the sealing ring 4.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (7)
1. A discharging mechanism of a concrete mixing tank is characterized by comprising a moving assembly (1) and a sealing assembly (2), wherein the moving assembly (1) is connected with the sealing assembly (2) so that the moving assembly (1) drives the sealing assembly (2) to move, the sealing assembly (2) comprises a tank door (3) and a sealing ring (4), the sealing ring (4) is connected with the tank door (3), a chamfer (5) is arranged on the sealing ring (4) so that the chamfer (5) is parallel to a rim at a discharging hole of the tank body, and the sealing ring (4) has a length so that the sealing ring is still parallel to the rim at the discharging hole of the tank body after being worn, and further the sealing ring can be stably sealed after the sealing assembly (2) is moved by the moving assembly (1).
2. The discharging mechanism according to claim 1, wherein the sealing ring (4) is made of polyurethane.
3. The discharging mechanism according to claim 1, wherein the moving assembly (1) comprises a supporting frame (6), a screw shaft (7), a nut sleeve (8) and a bearing seat (9), one end of the screw shaft (7) is connected with the supporting frame (6), the other end of the screw shaft is connected with the nut sleeve (8), a rotating rod (10) is arranged on the nut sleeve (8), a user rotates the rotating rod (10) to adjust the relative position of the nut sleeve (8) on the screw shaft (7), the bearing seat (9) is arranged between the nut sleeve (8) and the screw shaft (7), and the bearing seat (9) is used for limiting the sealing assembly (2).
4. The discharging mechanism according to claim 3, wherein the bearing seat (9) comprises a shell (11) and an end cover (12), the shell (11) is sleeved on the surfaces of the screw shaft (7) and the nut sleeve (8), the end cover (12) is arranged at one end, far away from the screw shaft (7), of the shell (11), a bearing (13) is arranged in the shell (11), and the bearing (13) is arranged between the shell (11) and the end cover (12).
5. The discharging mechanism according to claim 4, wherein the shell (11) is provided with a groove (14), a filler (15) is arranged in the groove (14), and the filler (15) is used for sealing the screw shaft (7) and the bearing seat (9) and preventing particle slurry in the tank from entering the bearing seat (9).
6. The discharging mechanism according to claim 4, wherein framework oil seals (16) are arranged at two ends of the bearing (13) in the shell (11), and the framework oil seals (16) are used for preventing mud in the tank body and external rainwater from entering the bearing seat (9).
7. The discharging mechanism as claimed in claim 4, wherein the bearing (13) is a self-aligning ball bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276569.XU CN222309283U (en) | 2024-02-05 | 2024-02-05 | Discharging mechanism of concrete mixing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420276569.XU CN222309283U (en) | 2024-02-05 | 2024-02-05 | Discharging mechanism of concrete mixing tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222309283U true CN222309283U (en) | 2025-01-07 |
Family
ID=94101602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420276569.XU Active CN222309283U (en) | 2024-02-05 | 2024-02-05 | Discharging mechanism of concrete mixing tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222309283U (en) |
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2024
- 2024-02-05 CN CN202420276569.XU patent/CN222309283U/en active Active
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