CN219132189U

CN219132189U - Auxiliary fixture for installing large-scale bearing and piston ring

Info

Publication number: CN219132189U
Application number: CN202222606035.2U
Authority: CN
Inventors: 黄智勇; 江德进
Original assignee: Guangdong Maohuajian Group Co ltd
Current assignee: Guangdong Maohuajian Group Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-06
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an auxiliary tool for installing a large bearing and a piston ring, which comprises a supporting plate, a supporting rod, a positioning plate and a conical guide sleeve, wherein a jack is arranged at the bottom end of the supporting plate, the bottom end of the jack is connected with a push rod, the positioning plate and the conical guide sleeve are integrally formed, and the conical guide sleeve is sleeved on the push rod.

Description

Auxiliary fixture for installing large-scale bearing and piston ring

Technical Field

The utility model relates to the field of installation of large bearings and piston rings, in particular to an auxiliary tool for installing the large bearings and the piston rings.

Background

The large Roots pump is commonly used in oil refining production, the large Roots pump needs to be overhauled daily in order to ensure the long-period normal operation of the device, and when the bearing and the piston ring are assembled back after the overhauling is finished, the traditional installation method is to use a copper bar to knock the outer edges of the bearing and the piston ring to enable the bearing and the piston ring to be installed in place.

Disclosure of Invention

The utility model aims to design an auxiliary tool for installing a large-sized bearing and a piston ring so as to solve the technical problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an auxiliary fixture for installing a large bearing and a piston ring is characterized in that: including backup pad, bracing piece, locating plate and uide bushing, the one end of bracing piece with the backup pad is connected, the other end of bracing piece is the free end, the backup pad bottom is equipped with the jack, the output of jack is connected with the push rod, be equipped with the locating hole on the locating plate, the uide bushing is connected on the locating plate and be located the bottom of locating hole, the locating plate with uide bushing integrated into one piece, the uide bushing with the locating plate cup joints on the push rod, just the push rod with the locating hole is on same vertical line.

Further, a first threaded hole is formed in the supporting plate, threads are formed in the upper portion and the lower portion of the supporting rod, a smooth rod is arranged in the middle of the supporting rod, and the first threaded hole is matched with the supporting rod.

Further, through holes are formed in the supporting plates, and the through holes are used for hanging the supporting plates by means of hanging ropes penetrating through the through holes.

Further, a second threaded hole is formed in the positioning plate, a bolt is correspondingly arranged on the second threaded hole, and the bolt is matched with the Roots pump.

Further, a pull rod is arranged on the push rod and is perpendicular to the end face of the push rod.

Further, the guide sleeve is a conical guide sleeve, one larger end of the conical guide sleeve is connected with the positioning plate, and one smaller end of the conical guide sleeve is a free end.

Compared with the prior art, the utility model has the beneficial effects that: when the sealing device is used, the piston ring is placed in the guide sleeve, the push rod is abutted against the outer edge of the piston ring, the other end of the push rod is connected with the jack, the push rod can accurately push the piston ring into the sealing port of the Roots pump under the action of the jack, after the piston ring is installed, the bearing is placed in the sealing port, the push rod is used for pushing the bearing into the sealing port of the Roots pump, so that the bearing is installed in place, and in the process, the piston ring and the bearing are uniformly stressed due to the fact that the same directional force is applied to the outer edges of the upper ends of the piston ring and the bearing, the piston ring and the piston ring are prevented from being damaged, and the success rate of installing the bearing and the piston ring is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting bearing or piston ring of the present utility model;

the names of the components marked in the figures are as follows: 1. a support plate; 2. a support rod; 3. a positioning plate; 4. a guide sleeve; 5. a jack; 6. a push rod; 7. a first threaded hole; 8. a through hole; 9. a bolt; 10. a pull rod; 11. roots pump.

Detailed Description

The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-2, an auxiliary tool for installing a large bearing and a piston ring comprises a supporting plate 1, a supporting rod 2, a positioning plate 3 and a guide sleeve 4, wherein one end of the supporting plate 1 is connected with one end of the supporting rod 2, a jack 5 is arranged at the bottom end of the supporting plate 1, a push rod 6 is installed at the bottom end of the jack 5, the positioning plate 3 and the guide sleeve 4 are integrally formed, the guide sleeve 4 and the positioning plate 3 are sleeved on the push rod 6, the guide sleeve 4 and the positioning plate 3 can move on the push rod 6, a first threaded hole 7 is formed in the supporting plate 1, threads are formed at the top end and the bottom end of the supporting rod 2, and the top end of the supporting rod 2 penetrates through the first threaded hole 7 to be connected with the supporting plate 1; the supporting plate 1 is provided with the through holes 8, and the supporting plate can be lifted up by using the lifting ropes to penetrate through the through holes 8 without manually moving the supporting plate; the guide sleeve 4 is a conical guide sleeve, and the piston ring is easier to guide into the installation position under the action of the conical guide sleeve.

Referring to fig. 3, the positioning plate 3 is provided with a second threaded hole, and the second threaded hole is correspondingly provided with a bolt 9, so that the positioning plate can be positioned at the sealing port of the Roots pump 11 through the bolt 9, thereby facilitating installation; the push rod 6 is provided with a pull rod 10, the pull rod 10 is perpendicular to the end face of the push rod 6, and the pull rod 10 can be held by hand in the installation process so as to conveniently adjust the direction of the support rod 2.

The working principle of the embodiment is as follows: when the device is used, the guide sleeve 4 is inserted into the sealing port of the Roots pump 11, the positioning plate 3 is positioned at the sealing port of the Roots pump 11 by using the bolts 9, the supporting plate 1 is lifted by using the lifting rope to pass through the through holes 8, the top end of the supporting rod 2 is screwed into the supporting plate 1, the position of the supporting rod is regulated by the handheld pull rod 10, so that the top end of the supporting rod 2 is accurately installed on the Roots pump 11, then the piston ring is installed into the guide sleeve 4, the push rod 6 is abutted against the outer edge of the piston ring, the jack 5 is pulled to push the piston ring into the installation position, after the installation of the piston ring is finished, the bolts 9 on the positioning plate are screwed out, the guide sleeve 4 is moved out, the bearing is installed into the sealing port of the Roots pump 11, the push rod 6 is abutted against the outer edge of the bearing, and then the jack 5 is pulled to uniformly push the bearing into the installation position, so that the installation of the bearing and the piston ring is completed, and the supporting rod 2 is screwed out from the Roots pump 11, and the device can be taken out.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

Claims

1. An auxiliary fixture for installing a large bearing and a piston ring is characterized in that: including backup pad (1), bracing piece (2), locating plate (3) and uide bushing (4), the one end of bracing piece (2) with backup pad (1) is connected, the other end of bracing piece (2) is the free end, backup pad (1) bottom is equipped with jack (5), the output of jack (5) is connected with push rod (6), be equipped with the locating hole on locating plate (3), uide bushing (4) are connected on locating plate (3) and are located the bottom of locating hole, locating plate (3) with uide bushing (4) integrated into one piece, uide bushing (4) with locating plate (3) cup joint on push rod (6), just push rod (6) with the locating hole is on same vertical line.

2. The auxiliary fixture for installing a large bearing and a piston ring according to claim 1, wherein: be equipped with first screw hole (7) on backup pad (1), the upper portion and the lower part of bracing piece (2) all are equipped with the screw thread, and the middle part of place bracing piece (2) is smooth pole, first screw hole (7) with bracing piece (2) adaptation.

3. The auxiliary fixture for installing a large bearing and a piston ring according to claim 1, wherein: the supporting plate (1) is provided with a through hole (8).

4. The auxiliary fixture for installing a large bearing and a piston ring according to claim 1, wherein: the positioning plate (3) is provided with a second threaded hole, a bolt (9) is correspondingly arranged on the second threaded hole, and the bolt (9) is matched with the Roots pump.

5. The auxiliary fixture for installing a large bearing and a piston ring according to claim 1, wherein: the push rod (6) is provided with a pull rod (10), and the pull rod (10) is perpendicular to the end face of the push rod (6).

6. The auxiliary fixture for installing a large bearing and a piston ring according to claim 1, wherein: the guide sleeve (4) is a conical guide sleeve (4), one larger end of the conical guide sleeve (4) is connected with the positioning plate (3), and one smaller end of the conical guide sleeve (4) is a free end.