Paper pulp pump support structure

By designing a pulp pump support structure including a fixed base plate, support block, bearing and inner cavity, the cooling liquid circulation takes away heat, and through structures such as intercepting plates and buffers, the problem of heat generated by high-speed rotation of the pulp pump shaft is solved, and the service life is extended.

CN222558868UActive Publication Date: 2025-03-04ALLSLORM PUMP IND JIANGSU CO LTD
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Patent Information

Application Number
CN202421074122.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-03-04
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

When the pulp pump shaft continues to rotate at high speed, it friction with the bearing generates heat, causing it to stop working and affect the service life of the pump shaft.

Method used

A pulp pump bracket structure is designed, including a fixed base plate, a support block, a bearing and an inner cavity. A multiple interceptor plate is fixed on the inner wall of the inner cavity to input coolant to take away heat, and reduce vibration and noise through structures such as buffers and airbags.

Benefits of technology

The heat generated by the pump shaft is taken away by the circulation of coolant, which improves the service life of the pump shaft. At the same time, multiple interceptor plates slow down the water flow rate, improve cooling efficiency, and absorb noise when the pump shaft rotates.

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Abstract

The utility model discloses a paper pulp pump support structure, which relates to the field of paper pulp pump support structures and comprises a fixed bottom plate, a support block is fixed at the top end of the fixed bottom plate, a center hole is formed in the center of the support block, a bearing is arranged in the center hole, the center hole penetrates through two sides of the support block, and the bearing is arranged in the center hole. A pump shaft is rotationally connected into the bearing, an inner cavity is formed in the supporting block, the supporting block can support the pump shaft, the stability of the pump shaft is improved, meanwhile, a water source or cooling liquid can be input into the inner cavity through the input port, the cooling liquid is output from the output port to complete flowing, and heat generated by continuous rotation of the pump shaft can be taken away; and meanwhile, the multiple intercepting plates can slow down the speed of water flow, so that the water flow staying time is longer, the cooling efficiency is improved, and further, after the inner cavity is completely filled with the water flow and the intercepting plates, noise generated during rotation of the pump shaft can be absorbed.
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Description

Technical Field

[0001] The utility model relates to the field of pulp pump supporting structures, in particular to a pulp pump bracket structure. Background Art

[0002] Pulp pump is a kind of machinery widely used in papermaking industry. Two-phase flow pulp pump adopts the principle of "relative suction and relative blockage" in two-phase flow theory for hydraulic design of pump, so that the hydraulic performance of pump flow components conforms to the law of solid-liquid two-phase flow, thereby reducing the scouring and wear of slurry on flow components, greatly improving the working efficiency and service life of the pump. When using the pulp pump, it is necessary to use a support mechanism to support the pump shaft to improve stability.

[0003] When the pump shaft rotates continuously at high speed, it will generate heat due to friction with the bearing. When the heat is too high, it is necessary to stop working, and high temperature will also affect the service life of the pump shaft.

[0004] Therefore, it is necessary to propose a pulp pump support structure to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a pulp pump support structure to solve the problem that when the pump shaft continuously rotates at high speed, it will generate heat by friction with the bearing. When the heat is too high, it is necessary to stop working, and the high temperature will also affect the service life of the pump shaft.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulp pump support structure, comprising a fixed base plate, a support block is fixed on the top of the fixed base plate, a center hole is opened in the center of the support block, a bearing is arranged inside the center hole, the center hole passes through both sides of the support block at the same time, a pump shaft is rotatably connected in the bearing, an inner cavity is opened in the support block, a plurality of intercepting plates are fixed on the inner wall of the inner cavity, an input port and an output port are respectively arranged on both sides of the support block, the input port and the output port are connected to the inner cavity of the support block, and the input port is used to input cooling liquid.

[0007] Preferably, through holes for the coolant to pass through are formed on the plurality of intercepting plates, and the plurality of intercepting plates are distributed around the center of the supporting block.

[0008] Preferably, protective shells are fixed on both sides of the support block, and the two protective shells are used to cover the center hole. The two ends of the pump shaft extend out of the corresponding protective shells respectively. Air holes are opened on the sides of the two protective shells away from each other, and filter nets are arranged in the two air holes. An air bag is fixed at the bottom end of the center hole, and the air bag is arranged below the pump shaft.

[0009] Preferably, a buffer is fixed to the top end of the center hole, the buffer comprises a damper and a spring, the spring is sleeved on the outside of the damper, and the top end of the buffer is fixed to the bottom end of the bearing.

[0010] Preferably, a layer of silicone pad is fixed on the inner side of the central hole.

[0011] Preferably, the two protective shells are fixed to the side surfaces of the support block by a plurality of fixing bolts, and the support block is provided with connection holes for fixing with the fixing bolts.

[0012] Preferably, fixing holes are provided at four corners of the bottom end of the fixed base plate.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the actual operation of the present invention, the support block can support the pump shaft to improve the stability of the pump shaft. At the same time, water or coolant can be input into the inner cavity through the input port, and the coolant is output from the output port to complete the flow, which can take away the heat generated by the continuous rotation of the pump shaft and improve the service life. At the same time, multiple interception plates can slow down the speed of the water flow, make the water flow stay longer, and improve the cooling efficiency. Furthermore, when the water flow and the interception plate completely fill the inner cavity, the noise generated by the rotation of the pump shaft can also be absorbed.

[0015] A buffer is fixed at the top of the center hole. The buffer includes a damper and a spring. The spring is sleeved on the outside of the damper. The top of the buffer is fixed to the bottom of the bearing. When the pump shaft vibrates up and down, the buffer can start the buffering effect. When the pump shaft moves up and down, the bottom of the pump shaft will squeeze the airbag, and the gas generated by the airbag can be discharged through the air hole. When the pump shaft continues to rotate, heat will be generated, and the heat can be taken out through the output of the gas. At the same time, since the air is discharged outward, the entry of dust can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a pulp pump support structure from one perspective of the utility model.

[0017] Figure 2 This is a schematic diagram of another viewing angle of the pulp pump support structure of the utility model.

[0018] In the figure: 1. fixed base plate; 2. support block; 3. input port; 4. pump shaft; 5. protective shell; 6. inner cavity; 7. bearing; 8. intercepting plate; 9. through hole; 10. center hole; 11. buffer; 12. fixing hole; 13. air bag; 14. air hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1 - Figure 2 A pulp pump bracket structure shown includes a fixed base plate 1, a support block 2 is fixed to the top of the fixed base plate 1, a center hole 10 is opened in the center of the support block 2, a bearing 7 is arranged inside the center hole 10, the center hole 10 passes through both sides of the support block 2 at the same time, a pump shaft 4 is rotatably connected in the bearing 7, and fixing holes 12 are opened at the four corners of the bottom end of the fixed base plate 1, so that users can fix the fixed base plate 1 through the fixing holes 12 for convenience.

[0021] An inner cavity 6 is provided inside the support block 2, and a plurality of intercepting plates 8 are fixed on the inner wall of the inner cavity 6. An input port 3 and an output port are respectively provided on both sides of the support block 2. The input port 3 and the output port are both connected to the inner cavity 6 of the support block 2. The input port 3 is used to input coolant, and a plurality of intercepting plates 8 are provided with through holes 9 for the coolant to pass through. The plurality of intercepting plates 8 are distributed around the center of the support block 2.

[0022] In the actual operation of the present invention, the support block 2 can support the pump shaft 4 to improve the stability of the pump shaft 4. At the same time, water or coolant can be input into the inner cavity 6 through the input port 3. The coolant is output from the output port to complete the flow, which can take away the heat generated by the continuous rotation of the pump shaft 4 and improve the service life. At the same time, multiple interception plates 8 can slow down the speed of the water flow, make the water flow stay longer, and improve the cooling efficiency. Furthermore, when the water flow and the interception plate 8 completely fill the inner cavity 6, the noise generated by the rotation of the pump shaft 4 can also be absorbed.

[0023] A buffer 11 is fixed to the top of the center hole 10. The buffer 11 includes a damper and a spring. The spring is sleeved on the outside of the damper. The top of the buffer 11 is fixed to the bottom of the bearing 7. When the pump shaft 4 vibrates up and down, the buffer 11 can play a buffering role.

[0024] The other two protective shells 5 are provided with air holes 14 on the sides away from each other. Filters are arranged in the two air holes 14 . An air bag 13 is fixed to the bottom end of the center hole 10 . The air bag 13 is arranged below the pump shaft 4 .

[0025] When the pump shaft 4 moves up and down, the bottom end of the pump shaft 4 will squeeze the airbag 13, and the gas generated by the airbag 13 can be discharged through the air hole 14. When the pump shaft 4 continues to rotate, heat will be generated, and the heat can be taken out through the output of the gas. At the same time, since the air is discharged outward, the entry of dust can be reduced.

[0026] Protective shells 5 are fixed on both sides of the support block 2 , and both ends of the pump shaft 4 extend out of the corresponding protective shells 5 . A layer of silicone pad is fixed on the inner side of the center hole 10 , and the silicone pad can protect the inner side of the center hole 10 .

[0027] In the actual operation of the present invention, the two protective shells 5 are used to cover the central hole 10 to prevent external dust and impurities from entering the interior of the central hole 10 .

[0028] The two protection shells 5 are fixed to the side surfaces of the support block 2 by a plurality of fixing bolts, and the support block 2 is provided with connection holes for fixing by the fixing bolts.

Claims

1. A pulp pump support structure, comprising a fixed bottom plate (1), characterized in that: A support block (2) is fixed to the top of the fixed base plate (1), a center hole (10) is provided at the center of the support block (2), a bearing (7) is arranged inside the center hole (10), the center hole (10) passes through both sides of the support block (2), a pump shaft (4) is rotatably connected inside the bearing (7), an inner cavity (6) is provided inside the support block (2), a plurality of intercepting plates (8) are fixed on the inner wall of the inner cavity (6), an input port (3) and an output port are respectively arranged on both sides of the support block (2), the input port (3) and the output port are both connected to the inner cavity (6) of the support block (2), and the input port (3) is used to input cooling liquid.

2. A pulp pump support structure according to claim 1, characterized in that: Through holes (9) for cooling liquid to pass through are formed on the plurality of interception plates (8), and the plurality of interception plates (8) are distributed around the center of the support block (2).

3. A pulp pump support structure according to claim 1, characterized in that: Protective shells (5) are fixed on both sides of the support block (2), and the two protective shells (5) are used to cover the central hole (10). The two ends of the pump shaft (4) extend out of the corresponding protective shells (5) respectively. The two protective shells (5) are provided with air holes (14) on the sides away from each other. Filter nets are arranged in the two air holes (14). The bottom end of the center hole (10) is fixed with an air bag (13), and the air bag (13) is arranged below the pump shaft (4).

4. A pulp pump support structure according to claim 1, characterized in that: A buffer (11) is fixed to the top end of the center hole (10), the buffer (11) comprising a damper and a spring, the spring being sleeved on the outside of the damper, and the top end of the buffer (11) being fixed to the bottom end of the bearing (7).

5. A pulp pump support structure according to claim 1, characterized in that: A layer of silica gel pad is fixed on the inner side of the central hole (10).

6. A pulp pump support structure according to claim 3, characterized in that: The two protective shells (5) are fixed to the side surfaces of the support block (2) by means of a plurality of fixing bolts, and the support block (2) is provided with connection holes for fixing with the fixing bolts.

7. A pulp pump support structure according to claim 1, characterized in that: The four corners of the bottom end of the fixed base plate (1) are each provided with fixing holes (12).