CN220227255U - Wear-resisting structure of centrifugal pump for coal industry - Google Patents
Wear-resisting structure of centrifugal pump for coal industry Download PDFInfo
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- CN220227255U CN220227255U CN202321352834.XU CN202321352834U CN220227255U CN 220227255 U CN220227255 U CN 220227255U CN 202321352834 U CN202321352834 U CN 202321352834U CN 220227255 U CN220227255 U CN 220227255U
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a wear-resistant structure of a centrifugal pump for coal chemical industry, which comprises the following components: the main body unit comprises a shaft sleeve, wherein a first arc-shaped plate and a second arc-shaped plate are arranged in the shaft sleeve; the installation unit comprises a plurality of installation rods, a plurality of circular grooves are symmetrically formed in the inner side wall of the shaft sleeve, installation holes are formed in the first arc-shaped plate and the second arc-shaped plate, the installation holes are matched with the installation rods, elastic components are arranged on the installation rods, and pressing components used for pressing the installation rods are arranged on the shaft sleeve. According to the utility model, the first arc-shaped plate and the second arc-shaped plate are rapidly positioned through the matching of the positioning rod and the positioning notch, then the moving sleeve is rotated after the first arc-shaped plate and the second arc-shaped plate are moved inwards to a proper position, so that the moving sleeve is moved leftwards, the annular plate is driven to move leftwards, the mounting rods are extruded through the inclined plane, and then the plurality of mounting rods are simultaneously pressed through the moving sleeve, so that the mounting rods are inserted into the mounting holes, and the mounting is completed.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to a wear-resistant structure of a centrifugal pump for coal chemical industry.
Background
The coal chemical industry refers to a process in which coal is used as a raw material and is converted into gas, liquid and solid fuels and chemicals through chemical processing. Mainly comprises gasification, liquefaction, carbonization, tar processing, calcium carbide acetylene chemical industry and the like of coal. The centrifugal pump is a vane pump which conveys liquid by the centrifugal force generated when the impeller rotates, and the mechanical energy is transmitted to the liquid by the vane due to the interaction of the vane and the liquid in the rotating process of the impeller, so that the pressure energy of the liquid is increased, and the purpose of conveying the liquid is achieved. Centrifugal pumps are often required in coal chemical processes.
According to Chinese national patent publication No.: CN217440381U discloses a balance disc for centrifugal pump with wear-resisting function, belongs to the centrifugal pump field to solve current balance disc for centrifugal pump with wear-resisting function, use for a long time between axle sleeve and the axle of centrifugal pump takes place wearing and tearing and produce the clearance easily, and then lead to the balance disc to rock the technical problem who causes the wearing and tearing of balance disc, including the axle sleeve, first arc has been cup jointed to the inside of axle sleeve, the second arc is installed to the outer wall of first arc, second arc and axle sleeve cup joint and link to each other, the outer wall rigid coupling of second arc has the cardboard, cardboard and axle sleeve cup joint and link to each other, the upper surface processing of cardboard has the screw hole, the inside threaded connection of screw hole has the locating pin, locating pin and axle sleeve cup joint and link to each other, the inside of first arc and second arc has all processed the mounting hole.
When the device is used, the first arc-shaped plate and the second arc-shaped plate are respectively installed through the cooperation of the locating pin and the threaded hole, a user is required to twist the locating pin in the installation process, meanwhile, the locating pin is small in size, so that the user cannot twist the locating pin conveniently, an external tool is required, the operation is complicated, and the working efficiency is low.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-described problems with the conventional centrifugal pump.
Therefore, the utility model aims to provide a wear-resistant structure of a centrifugal pump for coal chemical industry, which aims to solve the problems that when the device is used, a first arc-shaped plate and a second arc-shaped plate are respectively installed through the matching of a locating pin and a threaded hole, a user is required to twist the locating pin in the installation process, and meanwhile, the locating pin is small in size, so that the user is inconvenient to twist, and the operation is complicated and the working efficiency is low by means of an external tool.
In order to solve the technical problems, the utility model provides the following technical scheme:
a wear resistant construction of a centrifugal pump for coal industry, comprising:
the main body unit comprises a shaft sleeve, a first arc-shaped plate and a second arc-shaped plate are arranged in the shaft sleeve, and the first arc-shaped plate is matched with the second arc-shaped plate;
the installation unit comprises a plurality of installation rods, a plurality of circular grooves are symmetrically formed in the inner side wall of the shaft sleeve, the installation rods are inserted in the shaft sleeve in a sliding mode, the installation rods extend into the circular grooves, installation holes are formed in the first arc-shaped plate and the second arc-shaped plate, the installation holes are matched with the installation rods, an elastic component is arranged on the installation rods, and a pressing component used for pressing the installation rods is arranged on the shaft sleeve.
As a preferable scheme of the wear-resistant structure of the centrifugal pump for the coal chemical industry, the utility model comprises the following steps: the elastic component includes the sliding plate, sliding plate fixed connection is on the installation pole, sliding plate sliding connection is on the circular slot inside wall, fixedly connected with spring between sliding plate and the circular slot inside wall, the spring cover is established on the installation pole.
As a preferable scheme of the wear-resistant structure of the centrifugal pump for the coal chemical industry, the utility model comprises the following steps: the pressing assembly comprises a moving sleeve, the moving sleeve is in threaded connection with the shaft sleeve, an annular plate is fixedly connected to the moving sleeve, an inclined surface is arranged on the inner wall of the annular plate, and the inclined surface is matched with the mounting rod.
As a preferable scheme of the wear-resistant structure of the centrifugal pump for the coal chemical industry, the utility model comprises the following steps: the shaft sleeve is symmetrically provided with a plurality of positioning notches, the first arc-shaped plate and the second arc-shaped plate are symmetrically and fixedly connected with positioning rods, and the positioning notches are matched with the positioning rods.
As a preferable scheme of the wear-resistant structure of the centrifugal pump for the coal chemical industry, the utility model comprises the following steps: round holes are formed in the first arc-shaped plate and the second arc-shaped plate, movable rods are movably arranged on the round holes, permanent magnets are arranged on the movable rods, and the two permanent magnets are matched.
As a preferable scheme of the wear-resistant structure of the centrifugal pump for the coal chemical industry, the utility model comprises the following steps: the balance ring is arranged on the balance disc, the reinforcing plate is arranged on the balance ring, and a plurality of connecting pin bolts are arranged between the balance ring and the reinforcing plate.
The utility model has the beneficial effects that:
during the use, carry out quick location through the cooperation of locating lever and location breach to first arc and second arc, afterwards inwards move to suitable position after, rotate the removal cover, make the removal cover remove to the left side, drive the annular slab and remove to the left side, through inclined plane extrusion installation pole, later exert pressure simultaneously to a plurality of installation poles through the removal cover, make the installation pole insert in the mounting hole, accomplish the installation promptly, afterwards after the cavity between first arc and the second arc is inserted to the centrifugal pump shaft, the user accessible movable rod is fixed the centrifugal pump shaft, simultaneously through the mutual absorption of two permanent magnets, avoid the movable rod to break away from, and is easy and convenient to operate, work efficiency has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the whole structure of the wear-resistant structure of a centrifugal pump for coal chemical industry;
FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
In the figure: 100. a main body unit; 101. a shaft sleeve; 102. a first arcuate plate; 103. a second arcuate plate; 104. a balancing disk; 105. a balance ring; 106. a reinforcing plate; 107. a connecting pin; 200. an installation unit; 201. a circular groove; 202. a mounting rod; 203. a mounting hole; 204. an elastic component; 204a, a sliding plate; 204b, springs; 205. a pressing assembly; 205a, moving the sleeve; 205b, an annular plate; 206. positioning the notch; 207. a positioning rod; 208. a round hole; 209. a movable rod; 210. and a permanent magnet.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1-3, the present utility model provides a wear-resistant structure of a centrifugal pump for coal chemical industry, comprising:
the main body unit 100 comprises a shaft sleeve 101, a first arc-shaped plate 102 and a second arc-shaped plate 103 are arranged in the shaft sleeve 101, and the first arc-shaped plate 102 is matched with the second arc-shaped plate 103;
the installation unit 200 comprises a plurality of installation rods 202, a plurality of circular grooves 201 are symmetrically formed in the inner side wall of the shaft sleeve 101, the installation rods 202 are inserted in the shaft sleeve 101 in a sliding mode, the installation rods 202 extend into the circular grooves 201, installation holes 203 are formed in the first arc-shaped plates 102 and the second arc-shaped plates 103, the installation holes 203 are matched with the installation rods 202, elastic assemblies 204 are arranged on the installation rods 202, and pressing assemblies 205 used for pressing the installation rods 202 are arranged on the shaft sleeve 101.
The elastic component 204 includes a sliding plate 204a, the sliding plate 204a is fixedly connected to the mounting rod 202, the sliding plate 204a is slidably connected to the inner side wall of the circular groove 201, a spring 204b is fixedly connected between the sliding plate 204a and the inner wall of the circular groove 201, and the spring 204b is sleeved on the mounting rod 202, so that when the mounting rod 202 loses inward acting force, the spring 204b can move outwards to reset.
Further, the pressing assembly 205 includes a moving sleeve 205a, the moving sleeve 205a is in threaded connection with the shaft sleeve 101, an annular plate 205b is fixedly connected to the moving sleeve 205a, an inclined surface is arranged on the inner wall of the annular plate 205b and is matched with the mounting rod 202, so that when the moving sleeve 205a rotates, the annular plate 205b can be driven to move left and right, and when the annular plate 205b moves towards the mounting rod 202, the inclined surface presses the mounting rod 202, so that the mounting rod 202 moves inwards.
Further, a plurality of positioning notches 206 are symmetrically arranged on the shaft sleeve 101, the first arc-shaped plate 102 and the second arc-shaped plate 103 are symmetrically and fixedly connected with positioning rods 207, and the positioning notches 206 are matched with the positioning rods 207, so that a user can position the first arc-shaped plate 102 and the second arc-shaped plate 103 through the positioning notches 206 and the positioning rods 207, and a worker can conveniently and quickly install the positioning rods.
Further, round holes 208 are formed in the first arc-shaped plate 102 and the second arc-shaped plate 103, movable rods 209 are movably arranged on the round holes 208, permanent magnets 210 are arranged on the movable rods 209, and the two permanent magnets 210 are matched, so that after the centrifugal pump shaft is inserted into a cavity between the first arc-shaped plate 102 and the second arc-shaped plate 103, a user can fix the centrifugal pump shaft through the movable rods 209, and meanwhile, the movable rods 209 are prevented from being separated through mutual adsorption of the two permanent magnets 210.
Further, the shaft sleeve 101 is fixedly connected with the balance disc 104, the balance disc 104 is provided with a balance ring 105, the balance ring 105 is provided with a reinforcing plate 106, a plurality of connecting pins 107 are arranged between the balance ring 105 and the reinforcing plate 106, the reinforcing plate 106 increases the wear resistance of the balance disc 104, and meanwhile, a user can prolong the service life of the balance disc 104 by replacing the reinforcing plate 106.
During the use, carry out quick location to first arc 102 and second arc 103 through the cooperation of locating lever 207 and location breach 206, afterwards inwards move to suitable position back, rotate and remove the cover 205a, make and remove the cover 205a left side, drive annular plate 205b left side and remove, extrude installation pole 202 through the inclined plane, then carry out the pressurization simultaneously to a plurality of installation poles 202 through removing the cover 205a, make installation pole 202 insert in mounting hole 203, accomplish the installation promptly, afterwards after the cavity between first arc 102 and second arc 103 is inserted to the centrifugal pump shaft, the user can fix the centrifugal pump shaft through movable rod 209, simultaneously through the mutual absorption of two permanent magnets 210, avoid movable rod 209 to break away from, easy operation is convenient, and work efficiency is improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a wear-resisting structure of centrifugal pump for coal industry which characterized in that: comprising the following steps:
the main body unit (100) comprises a shaft sleeve (101), a first arc-shaped plate (102) and a second arc-shaped plate (103) are arranged in the shaft sleeve (101), and the first arc-shaped plate (102) and the second arc-shaped plate (103) are matched;
installation unit (200), including a plurality of installation pole (202), a plurality of circular grooves (201) have been seted up to the symmetry on axle sleeve (101) inside wall, installation pole (202) slip alternates on axle sleeve (101), installation pole (202) extend to in circular groove (201), all seted up mounting hole (203) on first arc (102) and second arc (103), mounting hole (203) and installation pole (202) cooperate, be equipped with elastic component (204) on installation pole (202), be equipped with on axle sleeve (101) and be used for pressing down pressing component (205) of installation pole (202).
2. The wear-resistant structure of a centrifugal pump for coal chemical industry according to claim 1, wherein: the elastic component (204) comprises a sliding plate (204 a), the sliding plate (204 a) is fixedly connected to the mounting rod (202), the sliding plate (204 a) is slidably connected to the inner side wall of the circular groove (201), a spring (204 b) is fixedly connected between the sliding plate (204 a) and the inner wall of the circular groove (201), and the spring (204 b) is sleeved on the mounting rod (202).
3. The wear-resistant structure of a centrifugal pump for coal chemical industry according to claim 2, wherein: the pressing assembly (205) comprises a moving sleeve (205 a), the moving sleeve (205 a) is in threaded connection with the shaft sleeve (101), an annular plate (205 b) is fixedly connected to the moving sleeve (205 a), an inclined surface is arranged on the inner wall of the annular plate (205 b), and the inclined surface is matched with the mounting rod (202).
4. A wear resistant construction of a centrifugal pump for coal chemical industry according to claim 3, characterized in that: the shaft sleeve (101) is symmetrically provided with a plurality of positioning notches (206), the first arc-shaped plate (102) and the second arc-shaped plate (103) are symmetrically and fixedly connected with positioning rods (207), and the positioning notches (206) are matched with the positioning rods (207).
5. The wear-resistant structure of a centrifugal pump for coal chemical industry according to claim 4, wherein: round holes (208) are formed in the first arc-shaped plate (102) and the second arc-shaped plate (103), movable rods (209) are movably arranged on the round holes (208), permanent magnets (210) are arranged on the movable rods (209), and the two permanent magnets (210) are matched.
6. The wear-resistant structure of a centrifugal pump for coal chemical industry according to claim 5, wherein: the balance device is characterized in that a balance disc (104) is fixedly connected to the shaft sleeve (101), a balance ring (105) is arranged on the balance disc (104), a reinforcing plate (106) is arranged on the balance ring (105), and a plurality of connecting pin bolts (107) are arranged between the balance ring (105) and the reinforcing plate (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352834.XU CN220227255U (en) | 2023-05-31 | 2023-05-31 | Wear-resisting structure of centrifugal pump for coal industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352834.XU CN220227255U (en) | 2023-05-31 | 2023-05-31 | Wear-resisting structure of centrifugal pump for coal industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227255U true CN220227255U (en) | 2023-12-22 |
Family
ID=89193615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352834.XU Active CN220227255U (en) | 2023-05-31 | 2023-05-31 | Wear-resisting structure of centrifugal pump for coal industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227255U (en) |
-
2023
- 2023-05-31 CN CN202321352834.XU patent/CN220227255U/en active Active
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