CN213999321U

CN213999321U - Low temperature liquid pump piston body auxiliary installation device

Info

Publication number: CN213999321U
Application number: CN202022628347.4U
Authority: CN
Inventors: 李致明; 付东治; 刘冲; 张宝东; 李大虎; 王福军
Original assignee: Chengde Iron And Steel Engineering Technology Co ltd; HBIS Co Ltd Chengde Branch
Current assignee: Chengde Iron And Steel Engineering Technology Co ltd; HBIS Co Ltd Chengde Branch
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-20
Anticipated expiration: 2030-11-13

Abstract

The auxiliary mounting device for the piston body of the cryogenic liquid pump comprises a rotary gear, a toothed bar, a support frame, a guide cylinder, a piston guide ring, a piston body, a piston rod, a pump body, a supporting plate support, a piston ring and a pump body supporting plate; the rotating gear is matched and meshed with the rack; the bottom of the toothed bar is fixedly connected with a pressing plate; the upper part of the supporting frame is provided with a rotating gear and a rack bar; the lower part of the support frame is connected with a pump body supporting plate; the middle part of the pump body supporting plate is provided with a hole; the pump body is vertically and horizontally placed on the hole; the guide cylinder is a tapered steel cylinder, and the bottom of the guide cylinder is connected with a piston cylinder barrel of the pump body in a matching way; the piston cylinder body arranged in the pump body above the hole in the middle of the pump body supporting plate comprises a piston guide ring, a piston body, a piston rod and a piston ring which are mutually matched and connected with the piston cylinder body; the supporting plate bracket is fixedly connected below the pump body supporting plate. The advantages are that: convenient operation, quick labor saving, high working efficiency and elimination of potential safety hazards such as spare part damage and personnel injury.

Description

Low temperature liquid pump piston body auxiliary installation device

Technical Field

The utility model relates to a machinery installation auxiliary assembly technical field especially relates to a cryogenic liquids pump piston body auxiliary installation device that oxygen enterprise used.

Background

In the oxygen enterprise, the user uses oxygen mostly liquid oxygen and carries out the pressure regulating after gasification transformation gas for each production user through using cryogenic liquid pump. In the maintenance process of the cryogenic liquid pump, the piston body of the cryogenic pump is frequently knocked and loaded by using a hand hammer in cooperation with a copper rod, so that the labor intensity is high in the operation process, and the maintenance efficiency is low; meanwhile, in the operation process, the cooperation is needed, and the potential safety hazard of mechanical injury caused by object striking exists. After the piston body is knocked and installed, the damage of scratches on the end part of the piston body and the inside of the cylinder body often occurs, and the service life of equipment and the safe operation are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's is not enough, provides one kind and can repack the work efficiency in order to improve the maintainer fast, reduces intensity of labour, reduces the object and strikes and cause mechanical injury potential safety hazard and to the supplementary installation device of piston body of the cryogenic liquid pump that equipment spare part damage destroyed.

The utility model discloses a solve the technical scheme that above-mentioned problem provided and be: the auxiliary mounting device for the piston body of the cryogenic liquid pump comprises a rotary gear, a toothed bar, a support frame, a guide cylinder, a piston guide ring, a piston body, a piston rod, a pump body, a supporting plate support, a piston ring and a pump body supporting plate; the rotating gear is matched and meshed with the rack; the bottom of the toothed bar is fixedly connected with a pressing plate; the upper part of the supporting frame is provided with a rotating gear and a rack bar; the lower part of the support frame is connected with a pump body supporting plate; the middle part of the pump body supporting plate is provided with a hole; the pump body is vertically and horizontally placed on the hole; the guide cylinder is a tapered steel cylinder, and the bottom of the guide cylinder is aligned and arranged on the piston cylinder body on the inner side of the pump body; the bottom of the guide cylinder is connected with a piston cylinder of the pump body in a matching way; a piston cylinder is arranged in the pump body above the hole in the middle of the pump body supporting plate; the piston guide ring, the piston body, the piston rod and the piston ring which are mutually matched and connected with the piston cylinder body are arranged inside the piston cylinder body; the supporting plate bracket is fixedly connected below the pump body supporting plate.

Preferably: the pressure plate connected with the bottom of the toothed bar is matched with the size and the structure of the installed piston body; the number of the pressing plates connected with the bottoms of the toothed bars matched with the sizes and the structures of the piston bodies with different specifications is multiple.

Preferably: the inner diameter of the guide cylinder with taper at the bottom is equal to the diameter of the piston cylinder body at the inner side of the pump body; the guide cylinders are matched with the diameters of the piston cylinder bodies with different specifications on the inner side of the pump body.

The utility model has the advantages that: the auxiliary installation process of the low-temperature liquid pump piston has the advantages of convenience in use, rapidness and labor conservation for pressing the piston in and small workload, and meanwhile potential safety hazards such as spare part damage and personnel injury which may occur in the installation process are effectively eliminated.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the drawings: 1. a rotating gear; 2. a rack bar; 3. a support frame; 4. a guide cylinder; 5. a piston guide ring; 6. a piston body; 7. a piston rod; 8. a pump body; 9. a pallet support; 10. a piston ring; 11. and (7) a supporting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. An auxiliary mounting device for a piston body of a cryogenic liquid pump is disclosed as shown in figure 1: the piston type hydraulic pump comprises a rotary gear 1, a toothed bar 2, a support frame 3, a guide cylinder 4, a piston guide ring 5, a piston body 6, a piston rod 7, a pump body 8, a supporting plate support 9, a piston ring 10 and a supporting plate 11. The rotating gear 1 is engaged with the toothed bar 2; the bottom of the toothed bar 2 is fixedly connected with a pressing plate; the upper part of the support frame 3 is provided with a rotating gear 1 and a rack bar 2; the lower part of the support frame 3 is connected with a pump body supporting plate 11; the middle part of the pump body supporting plate 11 is provided with a hole; the pump body 8 is vertically and horizontally placed on the hole; the guide cylinder 4 is a tapered steel cylinder, and the bottom of the guide cylinder 4 is aligned and placed on the piston cylinder body on the inner side of the pump body 8; the bottom of the guide cylinder 4 is connected with a piston cylinder of the pump body 8 in a matching way; a piston cylinder is arranged in the pump body 8 above the hole in the middle of the pump body supporting plate 11; the piston guide ring 5, the piston body 6, the piston rod 7 and the piston ring 10 which are mutually matched and connected with the piston cylinder body are arranged inside the piston cylinder body; the supporting plate bracket 9 is fixedly connected below the pump body supporting plate 11. The pressing plate connected with the bottom of the toothed bar 2 is matched with the size and the structure of the piston body 6; the number of the pressing plates connected with the bottoms of the toothed bars 2 matched with the sizes and the structures of the piston bodies 6 with different specifications is multiple. The tapered inner diameter of the bottom of the guide cylinder 4 is equal to the diameter of a piston cylinder body on the inner side of the pump body 8; the guide cylinders 4 matched with the diameters of the piston cylinder bodies with different specifications on the inner side of the pump body 8 are provided in plurality.

The utility model discloses a work flow: the pump body 8 is erected on the pump body supporting plate 11, the guide cylinder 4 is placed on the pump body 8 and aligned with the cylinder sleeve, then a piston provided with the piston ring 10 and the piston guide ring 5 is placed in the guide cylinder 4, the top end portion of the piston is aligned with the pressing plate of the toothed rod 2, the gear is rotated clockwise by using a wrench, the toothed rod generates a downward force under the driving of the gear to act on the piston, the gear is rotated clockwise continuously, the gear continuously drives the toothed rod to move downwards, the piston moves along the guide cylinder 4 and is smoothly and quickly installed in the cylinder barrel of the pump body 8, and therefore the purpose of reloading is achieved.

Claims

1. A low-temperature liquid pump piston body auxiliary mounting device comprises a piston guide ring (5), a piston body (6), a piston rod (7), a pump body (8), a supporting plate bracket (9) and a piston ring (10); the method is characterized in that: the pump body support plate is characterized by also comprising a rotating gear (1), a rack bar (2), a support frame (3), a guide cylinder (4) and a pump body support plate (11); the rotating gear (1) is matched and meshed with the rack bar (2); the bottom of the toothed bar (2) is fixedly connected with a pressing plate; the upper part of the support frame (3) is provided with a rotating gear (1) and a rack bar (2); the lower part of the support frame (3) is connected with a pump body supporting plate (11); the middle part of the pump body supporting plate (11) is provided with a hole; the pump body (8) is vertically and horizontally placed on the hole; the guide cylinder (4) is a tapered steel cylinder, and the bottom of the guide cylinder (4) is aligned and placed on a piston cylinder body on the inner side of the pump body (8); the bottom of the guide cylinder (4) is connected with a piston cylinder of the pump body (8) in a matching way; a piston cylinder is arranged in the pump body (8) above the hole in the middle of the pump body supporting plate (11); the piston guide ring (5), the piston body (6), the piston rod (7) and the piston ring (10) which are mutually matched and connected are arranged in the piston cylinder body; the supporting plate bracket (9) is fixedly connected below the pump body supporting plate (11).

2. The secondary installation device of a cryogenic liquid pump piston body of claim 1, wherein: the pressing plate connected with the bottom of the toothed bar (2) is matched with the size and the structure of the piston body (6) arranged; the number of the pressing plates connected with the bottoms of the toothed bars (2) matched with the sizes and the structures of the piston bodies (6) with different specifications is multiple.

3. The secondary installation device of a cryogenic liquid pump piston body of claim 1, wherein: the tapered inner diameter of the bottom of the guide cylinder (4) is equal to the diameter of a piston cylinder body on the inner side of the pump body (8); the guide cylinders (4) are matched with the diameters of the piston cylinder bodies with different specifications on the inner side of the pump body (8).