Reaction kettle sealing test bench
By setting thrust ball bearings and angular contact ball bearings on the reactor sealing test bench, combined with lock nut clamping bearings and O-rings, the problems of motor shaft instability and sealing were solved, achieving stable motor rotation and cost reduction.
Patent Information
- Application Number
- CN202422753450.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing reactor sealing test equipment cannot effectively simulate the real operating environment, resulting in unstable motor shafts that cannot withstand bidirectional axial pressure and are inconvenient to disassemble and assemble.
A reactor sealing test bench was designed, which uses a combination of thrust ball bearings and angular contact ball bearings, combined with lock nut clamping bearings, and equipped with O-rings and water-slinging pans to ensure the stability and sealing of the rotating shaft.
It achieves stable rotation of the motor shaft, reduces the precision requirements of the motor, lowers the cost of the test bench, prevents liquid corrosion and wear, and improves the reliability of the test.
Smart Images
Figure CN223525936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to dry gas seal technical field, concretely relates to a reaction kettle sealing test bench. BACKGROUND
[0002] The good sealability of high-pressure reaction kettle can make the equipment in a best running state. The dry gas seal part, one of the sealing parts of the reaction kettle, needs to be sealed during manufacturing, but the existing equipment cannot meet the test environment, and only the running environment can be simulated during the test. However, the simulation generally uses a motor to drive the rotating shaft, and the motor driving has the problem of co-linearity of the rotating shaft and the motor shaft, and the axial pressure problem caused thereby. The bidirectional axial force easily leads to instability of the rotating shaft of the motor, and it is inconvenient to disassemble and test the test piece. Therefore, a test bench capable of bearing the bidirectional axial force during installation and test is needed. SUMMARY
[0003] In order to overcome the above-mentioned deficiencies, the inventors of the utility model have long-term exploration and trial, and many experiments and efforts, and constantly reform and innovation, and put forward a reaction kettle sealing test bench. The thrust ball bearing and two oppositely arranged angular contact ball bearings are arranged on the rotating shaft. The angular contact ball bearing can play the role of centering and bearing axial force. The thrust ball bearing can bear pressure and the weight of the test equipment installation. The lock nut is used to compress the bearing, the bearing tightness and gap can be adjusted, the O-ring and the water disc are arranged for sealing, and the liquid immersion of the rotating shaft of the test bench during the test can be prevented to cause corrosion and wear.
[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is to provide a reaction kettle sealing test bench. It comprises a base, a rotating shaft, a thrust ball bearing, an angular contact ball bearing, the rotating shaft is installed on the base and connected with the motor of the base, the rotating shaft is provided with a ring-shaped protrusion to form a step of upper part and lower part, the lower step is installed with the thrust ball bearing through the first bearing seat, the first bearing seat is stacked with the second bearing seat, the upper step is provided with two opposite angular contact ball bearings by using the lock nut to compress, the lower angular contact ball bearing is in contact with the second bearing seat, and the oil seal seat is installed on the upper part of the second bearing seat.
[0005] According to the reaction kettle sealing test bench, the further preferred technical scheme is that the base comprises a motor, a support seat and a shaft coupling, the motor is installed on the support seat, the motor is connected with the rotating shaft through the shaft coupling, and the support seat is provided with a mounting space to connect and mount the first bearing seat and the second bearing seat outside.
[0006] According to the reaction kettle sealing test bench, the further preferred technical scheme is that the first bearing seat is provided with a skeleton oil seal on the contact surface with the rotating shaft.
[0007] The further preferred technical scheme of the reaction kettle sealing test table is that a skeleton oil seal is arranged on the contact surface of the oil seal seat and the rotating shaft, an O-shaped ring is installed on the oil seal seat, the O-shaped ring is sleeved on the rotating shaft, and a water throwing disc is sleeved and arranged outside the O-shaped ring.
[0008] The further preferred technical scheme of the reaction kettle sealing test table is that a flange plate is arranged on the oil seal seat, the lower part of the flange plate is open for installation of the O-shaped ring and the water throwing disc, and the oil seal seat is fixed on the second bearing seat by bolts.
[0009] The further preferred technical scheme of the reaction kettle sealing test table is that the flange plate is connected with the rotating shaft by using an internal hexagon screw.
[0010] The further preferred technical scheme of the reaction kettle sealing test table is that the inner diameter of the lower end of the second bearing seat is increased, and a space for installing a thrust ball bearing is formed between the second bearing seat and the first bearing seat, so that the second bearing seat is not in contact with the thrust bearing seat.
[0011] The further preferred technical scheme of the reaction kettle sealing test table is that a straight-through type pressure injection oil cup is arranged on the second bearing seat and is communicated with the space for installing the thrust ball bearing.
[0012] The further preferred technical scheme of the reaction kettle sealing test table is that the lower end of the second bearing seat is sleeved on the upper end of the first bearing seat, and a sealing ring is arranged on the contact surface.
[0013] The further preferred technical scheme of the reaction kettle sealing test table is that the rotating shaft and the universal shaft are connected and installed by using a vertically arranged C-shaped flat key.
[0014] Compared with the prior art, the technical scheme of the utility model has the following advantages / benefits:
[0015] 1. The universal shaft is used to connect the motor shaft and the rotating shaft, so that the stable rotation of the rotating shaft can be ensured when the rotation of the motor is unstable, the precision requirement of the rotating shaft of the motor is reduced, and the cost of the test table is reduced.
[0016] 2. The thrust ball bearing and two oppositely arranged angular contact ball bearings are arranged on the rotating shaft, the angular contact ball bearings can play a centering role and also play a role in bearing axial force, the thrust ball bearing can bear pressure and bear the weight of the test equipment installation, and the bearing can be adjusted in tightness and gap by using the lock nut to press the bearing.
[0017] 3. Set up with sealed O-ring and water disc, can guarantee that liquid does not immerse the rotating shaft of test bed to cause corrosion and abrasion during test. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 is a structural schematic view of a reaction kettle sealing test bed of the present application.
[0020] Figure 2 is Figure 1 is a local enlarged view of A in FIG.
[0021] The marks in the figure are as follows: 1. base 101. motor 102. support seat 103. coupling 2. rotating shaft 3. thrust ball bearing 4. angular contact ball bearing 5. first bearing seat 6. second bearing seat 7. oil seal seat 8. skeleton oil seal 9. O-ring 10. water disc 11. straight-through type pressure injection oil cup 12. sealing ring 13. C-shaped flat key 14. flange plate. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely described as follows. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the detailed description of the embodiments of the present application provided below is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.
[0023] It should be noted that: similar labels and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it can not be further defined and explained in subsequent drawings.
[0024] Embodiment:
[0025] As Figure 1As shown, a kind of reaction kettle sealing test bench.It includes base 1, rotating shaft 2, thrust ball bearing 3, angular contact ball bearing 4, the rotating shaft 2 is installed on base 1 and is connected with motor 101 of base 1, the rotating shaft 2 is provided with annular protrusion forming upper and lower steps, lower step is installed thrust ball bearing 3 by first bearing seat 5, first bearing seat 5 is stacked second bearing seat 6, upper step is set up two opposite angular contact ball bearing 4 using lock nut compression, lower angular contact ball bearing 4 is contacted with second bearing seat 6, oil seal seat 7 is installed on the upper portion of second bearing seat 6, and the contact surface of oil seal seat 7 and rotating shaft 2 is provided with skeleton oil seal 8, O-ring 9 is installed on oil seal seat 7, O-ring 9 is sleeved on rotating shaft 2, O-ring 9 is externally sleeved with water disc 10, water disc 10 is matched with O-ring 9, to realize the increase of sealing property, prevent the inside of rotating shaft 2 from entering ash layer and liquid during test.Second bearing seat 6 is fixed on the support seat 102 of base 1 by bolt, and oil seal seat 7 is installed in the circular recess space on the upper portion of second bearing seat 6.
[0026] The base 1 includes motor 101, support seat 102, shaft coupling 103, the motor 101 is installed on the support seat 102, the motor 101 is connected with the rotating shaft 2 through the shaft coupling 103, the support seat 102 is provided with installation space to connect and install the outside of the first bearing seat 5 and the second bearing seat 6, and the support seat 102 is only used for installing the shell of the upper equipment, as long as it can be stably installed, so long as it is stable, the structure and function thereof can be stable.
[0027] The first bearing seat 5 is provided with a skeleton oil seal 8 at the contact surface with the rotating shaft 2, and the oil seal of the oil seal skeleton is generally used to isolate the parts needing lubrication in the transmission part from the output part, so as not to cause lubricating oil leakage. The skeleton is like the steel bars in the concrete components, which plays a reinforcing role and enables the oil seal to maintain shape and tension.
[0028] The oil seal seat 7 is provided with a flange plate 14, the lower part of the flange plate 14 is open for the installation of the O-ring 9 and the water disc 10, the oil seal seat 7 is fixed on the second bearing seat 6 by bolts, the flange plate 14 is used for installing the equipment to be tested, and the flange plate 14 is fixed on the support seat 102 of the base 1 by bolts.
[0029] The flange plate 14 is connected with the rotating shaft 2 by using an internal hexagonal screw, the internal hexagonal screw is installed on the rotating shaft 2 to realize stable installation, and also plays a positioning role, and the flange plate 14 is also convenient to install and disassemble.
[0030] The inner diameter of the lower end of the second bearing seat 6 is increased, and a space for installing the thrust ball bearing 3 is formed between the first bearing seat 5, so that the second bearing seat 6 does not contact the thrust bearing seat, the non-contact can reduce the friction force, and also provides space for the operation of the thrust ball bearing 3.
[0031] The straight-through type oil injection cup 11 is arranged on the second bearing seat 6 and communicates with the space of the thrust ball bearing 3, so that the lubricating oil is conveniently injected and lubrication is convenient without disassembly.
[0032] The lower end of the second bearing seat 6 is sleeved on the upper end of the first bearing seat 5, and a sealing ring 12 is arranged on the contact surface, the sealing ring 12 plays a sealing role, prevents the gap between the lower end of the second bearing seat 6 and the first bearing seat 5 from entering dust and liquid, and also ensures the cleanliness of the internal lubricating oil, the lower end of the second bearing seat 6 and the first bearing seat 5 are installed in a bolt manner, and can be conveniently disassembled.
[0033] The C-shaped flat key 13 arranged vertically is used to connect and install the rotating shaft 2 and the universal shaft, the flat key installation is relatively stable and low in cost, and other installation modes such as a bolt or a pin can be adopted when necessary, as long as they are reasonable.
[0034] In the description of the utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0035] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0036] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but are in contact through other feature between them. Moreover, first feature "on", "above" and "on" second feature include that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under" second feature include that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is lower than second feature.
[0037] The above is only the preferred embodiment of the utility model, it should be pointed out that the above preferred embodiment should not be regarded as the limitation of the utility model, the protection scope of the utility model should be accurate in the range defined by the claims. For ordinary skilled in the art, without departing from the spirit and scope of the utility model, can also make a number of improvements and refinements, these improvements and refinements should also be regarded as the protection scope of the utility model.
Claims
1. A reactor seal test bench, characterized in that It includes base, pivot, thrust ball bearing, angular contact ball bearing, pivot is installed on base and connected with motor of base, ring-shaped convex is arranged on pivot to form upper and lower steps, lower step installs thrust ball bearing through first bearing seat, first bearing seat is superimposed with second bearing seat, two opposite angular contact ball bearings are arranged on upper step by locking nut, lower angular contact ball bearing contacts with second bearing seat, oil seal seat is installed on upper part of second bearing seat.
2. The reaction vessel sealing test bench according to claim 1, characterized in that The base includes a motor, a support seat, and a shaft coupling. The motor is installed on the support seat. The motor is connected with the pivot through the shaft coupling. The support seat is provided with a mounting space to connect and install the first bearing seat and the second bearing seat outside.
3. The reaction vessel sealing test bench of claim 1, wherein, The contact surface between the first bearing seat and the pivot is provided with a skeleton oil seal.
4. The reactor seal test bench of claim 1, wherein, The contact surface between the oil seal seat and the pivot is provided with a skeleton oil seal. An O-shaped ring is installed on the oil seal seat. The O-shaped ring is sleeved on the pivot. A water throwing disc is arranged outside the O-shaped ring.
5. The reactor seal test bench of claim 4, wherein, A flange plate is arranged on the oil seal seat. The lower part of the flange plate is open for installation of the O-shaped ring and the water throwing disc. The oil seal seat is fixed on the second bearing seat by bolts.
6. The reactor seal test bench of claim 5, wherein, The flange plate is connected with the pivot by using an internal hexagonal screw.
7. The reactor seal test bench of claim 1, wherein, The inner diameter of the lower end of the second bearing seat is increased to form a space for installing the thrust ball bearing between the first bearing seat and the second bearing seat, so that the second bearing seat does not contact the thrust bearing seat.
8. The reactor seal test bench of claim 7, wherein, A straight-through type injection oil cup is arranged on the second bearing seat to communicate with the space for installing the thrust ball bearing.
9. The reactor seal test bench of claim 8, wherein, The lower end of the second bearing seat is sleeved on the upper end of the first bearing seat. A sealing ring is arranged on the contact surface.
10. The reactor seal test bench of claim 1, wherein, The pivot and the universal shaft are connected and installed by using a vertically arranged C-shaped flat key.