CN-224228870-U - Protection device for be used for rotatory position of horizontal multistage centrifugal pump

Abstract

The utility model aims to provide a protection device for a rotating part of a horizontal multistage centrifugal pump, which belongs to the technical field of coal mine facilities and comprises a transparent shield made of high-strength transparent resin materials, wherein the transparent shield is spherical, a through hole is formed in the edge of the transparent shield, a fixing pin penetrates through the through hole, one end of the fixing pin, which is positioned in the transparent shield, is connected with a clamping plate with a Z-shaped section, one end of the clamping plate is provided with a through hole connected with the fixing pin, the fixing pin is fixed with the clamping plate through a nut, and the other end of the clamping plate is clamped with an end shell of the multistage horizontal centrifugal pump. The utility model has convenient installation and disassembly, realizes the protection of the shaft end of the centrifugal pump and is convenient for the replacement of the sealing filler.

Inventors

• Chang Haiyuan
• ZHAO QING
• ZHANG YAPENG
• YAN ZHENHUA
• LIN XUEHUA
• QI YUPENG
• HOU XIAOWEI
• Jin Shoufang
• LI XIANTAO
• GUAN XIAOZHI
• HAN YONG
• GUO DINGKAI

Assignees

• 山西晋煤集团赵庄煤业有限责任公司

Dates

Publication Date

20260512

Application Date

20250522

Claims (5)

1. 1. A protection device for a rotating part of a horizontal multistage centrifugal pump is characterized by comprising a transparent shield (1) made of high-strength transparent resin materials, wherein the transparent shield (1) is spherical, a through hole (2) is formed in the edge of the transparent shield (1), a fixing pin (3) is arranged in the through hole in a penetrating mode, one end of the fixing pin (3) located in the transparent shield (1) is connected with a clamping plate (4) with a Z-shaped section, one end of the clamping plate (4) is provided with a through hole connected with the fixing pin (3), the fixing pin (3) is fixed with the clamping plate (4) through a nut (5), and the other end of the clamping plate (4) is clamped with an end shell of the multistage horizontal centrifugal pump.
2. 2. The protection device for the rotating part of the horizontal multistage centrifugal pump according to claim 1, wherein the number of the transparent shields (1) at each end of the horizontal multistage centrifugal pump is two, and the transparent shields are respectively positioned at two ends of the end shell.
3. 3. The protection device for the rotating part of the horizontal multistage centrifugal pump according to claim 1, wherein the spherical center of the transparent shield (1) and the spherical center of the end head shell are positioned at the same position.
4. 4. The protection device for the rotating part of the horizontal multistage centrifugal pump according to claim 1, wherein the number of the through holes (2) of each transparent shield (1) is two, the through holes are respectively positioned at the upper end and the lower end of the transparent shield (1), and the number of the through holes (2) of each group is two.
5. 5. The protection device for the rotating part of the horizontal multistage centrifugal pump according to claim 1, wherein the fixing pin (3) is a U-shaped fixing pin.

Description

Protection device for be used for rotatory position of horizontal multistage centrifugal pump Technical Field The utility model belongs to the technical field of coal mine facilities, and particularly relates to a protection device for a rotating part of a horizontal multistage centrifugal pump. Background The multistage centrifugal pump is used as main underground coal mine drainage equipment, has wide application places and large dosage, and is produced by all domestic manufacturers at present, and is designed to be open at two shaft ends for replacing sealing filler, so that a rotating shaft is directly exposed outside. Meanwhile, according to the fourth hundred forty four items of coal mine safety regulations, protection facilities such as shields or shielding bars and the like are additionally arranged on exposed electrified bodies and mechanically exposed rotation and transmission parts which are easy to touch. According to the problems and regulations, a special safety protection device is designed according to the actual requirements of the site and the horizontal multistage centrifugal pump used in the underground of the matched coal mine, so that the operation safety of the site equipment is ensured. Disclosure of utility model The utility model provides a protection device for a rotating part of a horizontal multistage centrifugal pump, aiming at the problem that the shaft end of the existing multistage centrifugal pump has no protection measure. The utility model adopts the following technical scheme: The utility model provides a protector for rotatory position of horizontal multistage centrifugal pump, includes the transparent guard shield of high strength transparent resin material preparation, transparent guard shield is the sphere form, transparent guard shield's edge is equipped with the through-hole, wears to be equipped with the fixed pin in the through-hole, and the fixed pin is located the one end that transparent guard shield is connected with the cardboard that the cross-section is the Z type, the one end of cardboard is equipped with the through-hole of being connected with the fixed pin, and the fixed pin passes through the nut with the cardboard to be fixed, the other end and the end casing joint of multistage horizontal centrifugal pump of cardboard. Further, the number of the transparent shields at each end of the horizontal multistage centrifugal pump is two, and the transparent shields are respectively positioned at two ends of the end shell. Further, the sphere center of the transparent shield and the sphere center of the end socket shell are located at the same position. Further, the number of the through holes of each transparent shield is two, the through holes are respectively positioned at the upper end and the lower end of the transparent shield, and the number of the through holes of each group is two. Further, the fixing pin is a U-shaped fixing pin. The beneficial effects of the utility model are as follows: 1. the utility model is made of transparent material, which is convenient for observation. 2. The utility model has convenient installation and disassembly, realizes the protection of the shaft end of the centrifugal pump and is convenient for the replacement of the sealing filler. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is an exploded view of the present utility model; FIG. 3 is a schematic view of the utility model in use; FIG. 4 is a partial schematic view of the installation of the present utility model; FIG. 5 is a schematic view of a horizontal multistage centrifugal pump; wherein, the device comprises a 1-transparent shield, a 2-through hole, a 3-fixed pin, a 4-clamping plate, a 5-nut and a 6-rotating shaft. Detailed Description The utility model will be further described with reference to the accompanying drawings. As shown in the figure, the protection device for the rotating part of the horizontal multistage centrifugal pump comprises a transparent shield 1 made of high-strength transparent resin materials, wherein the transparent shield 1 is spherical, a through hole 2 is formed in the edge of the transparent shield 1, a fixing pin 3 is arranged in the through hole in a penetrating manner, one end of the fixing pin 3, which is positioned in the transparent shield 1, is connected with a clamping plate 4 with a Z-shaped section, one end of the clamping plate 4 is provided with a through hole connected with the fixing pin 3, the fixing pin 3 and the clamping plate 4 are fixed through a nut 5, and the other end of the clamping plate 4 is connected with an end head shell of the multistage horizontal centrifugal pump in a clamping manner. Further, the number of the transparent shields 1 at each end of the horizontal multistage centrifugal pump is two, and the transparent shields are respectively positioned at two ends of the end shell. Further, the sphere center of the transparent shield 1 and the sphere ce