CN216298482U

CN216298482U - Novel hydraulic device for assembling bushing and barrel

Info

Publication number: CN216298482U
Application number: CN202122557203.9U
Authority: CN
Inventors: 向周锋; 晏东强; 吴东强; 吴小觉; 岑志高; 叶春韵
Original assignee: Challenge Petrochemical Machinery Corp
Current assignee: Challenge Petrochemical Machinery Corp
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-15
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of petrochemical equipment manufacturing, in particular to a novel hydraulic device for assembling a bushing and a barrel, which comprises a positioning slide rod and a fixed ring plate group, wherein the fixed ring plate group is sleeved on the positioning slide rod and can reciprocate along the axial direction of the positioning slide rod; the fixed ring plate group is also provided with a plurality of hydraulic jacks which are arranged at intervals along the circumferential direction of the fixed ring plate group; the inner ring of the fixed ring plate group is also provided with at least one axial pushing roller which axially rolls towards the positioning slide rod; the hydraulic device also comprises a hydraulic pump station and an oil way distribution device communicated with the hydraulic pump station, and the oil way distribution device is communicated with each hydraulic jack. External force is applied to the reinforcing base plate through the hydraulic jacks, so that the reinforcing base plate is held on the peripheral side face of the cylinder base material to complete assembly work, the assembly mode of a spot welding tool on the cylinder base material in the past is replaced, and the problem that the welding is limited in the past is solved.

Description

Novel hydraulic device for assembling bushing and barrel

Technical Field

The utility model relates to the technical field of petrochemical equipment manufacturing, in particular to a novel hydraulic device for assembling a bushing and a barrel.

Background

In petrochemical equipment field, newly-increased fixed petrochemical equipment often need be fixed with current steel structure platform equipment, wherein including newly-increased petrochemical equipment's barrel and steel structure platform's a supporting beam, dog or support assemble fixedly, if directly assemble fixedly with a supporting beam, dog or support with the barrel, various problems can appear because of barrel self intensity is not enough, in the consideration to intensity compensation, need increase a reinforcing mat at the periphery side of barrel and satisfy the intensity requirement, and the reinforcing mat also can be called the bush.

The conventional method for assembling the reinforcing base plate (lining) and the cylinder body needs to weld a horseline on the base material of the cylinder body and press the base plate through manual cooperation with a crane, and the method has two defects. On the first hand, welding a collar (tool) on a cylinder base metal can have certain influence on the quality performance of the cylinder base metal, and the collar is welded and fixed, so that the problem that a reinforcing base plate cannot be adjusted once being fixed is solved, and welding limitation exists; in the second aspect, after the small horse-shaped tool is removed, the spot welding position needs to be polished and subjected to surface detection, the processing cost is increased, and meanwhile, the problems of certain potential safety hazards and high labor intensity exist in manual assistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel hydraulic device for assembling a bushing and a barrel, which can be widely applied to various occasions for assembling the barrel and a reinforcing base plate, effectively improves the technological level for assembling the reinforcing base plate and the barrel, replaces the fixing mode of the traditional spot welding tool, reduces the labor intensity of workers, improves the production efficiency and the safety coefficient, reduces the manufacturing cost, and ensures the quality of the assembled barrel base metal.

The purpose of the utility model is realized by the following technical scheme: the application provides a novel hydraulic device for assembling a bushing and a barrel body, which comprises a positioning slide rod and a fixed ring plate group sleeved on the positioning slide rod, wherein the fixed ring plate group can reciprocate along the axial direction of the positioning slide rod, and a movable channel for inserting the barrel body and a reinforcing cushion plate along the axial direction is arranged in the middle of the fixed ring plate group; the fixed ring plate group is also provided with a plurality of hydraulic jacks which are arranged at intervals along the circumferential direction of the fixed ring plate group, and piston rods of the hydraulic jacks face the center of the fixed ring plate group along the radial direction of the fixed ring plate group; the inner ring of the fixed ring plate group is also provided with at least one axial pushing roller which axially rolls towards the positioning slide rod; the hydraulic device also comprises a hydraulic pump station and an oil way distribution device communicated with the hydraulic pump station, and the oil way distribution device is communicated with each hydraulic jack.

The positioning slide bars are arranged in a plurality of circumferential intervals along the fixed ring plate group.

Wherein, fixed ring plate group sets up a plurality of movable holes of arranging along its circumference, and equal fixed mounting has the sliding sleeve in each movable hole, and each location slide bar corresponds inserts a sliding sleeve, and the sliding sleeve can be followed location slide bar's endwise slip.

Wherein, solid fixed ring plate group is equipped with at least two sets ofly, and each solid fixed ring plate group is arranged along the axial interval of location slide bar.

Wherein, solid fixed ring plate group includes first crown plate and the second crown plate that sets up along location slide bar axial interval with first crown plate, and the equal fixed mounting of each hydraulic jack is between first crown plate and second crown plate, first crown plate and second crown plate fixed connection.

The first annular plate and the second annular plate are both provided with slots for inserting the axial pushing rollers, a rotating shaft exposed out of the slots is clamped between the first annular plate and the second annular plate, and the axial pushing rollers are sleeved on the outer peripheral side of the rotating shaft.

The oil way distribution devices are correspondingly and fixedly installed on the fixed ring plate groups, and are respectively communicated with the hydraulic jacks on the corresponding fixed ring plate groups through second pipelines.

The hydraulic pump station is communicated with the oil way distribution devices through first pipelines respectively.

The axial pushing rollers are at least two, and the axial pushing rollers are arranged on the upper portion of the inner ring of the fixed ring plate group at intervals along the circumferential direction of the fixed ring plate group.

Wherein, the included angle between two adjacent axial pushing rollers is 60 degrees.

The utility model has the beneficial effects that: the utility model provides a novel bush and barrel group are to hydraulic means, compare with prior art, have following advantage:

1) the hydraulic device can apply external force to the reinforcing base plate through a plurality of hydraulic jacks, so that the reinforcing base plate is held on the peripheral side face of the cylinder base material to complete assembly work, the assembly mode of a spot welding tool on the cylinder base material in the past is replaced, the holding position can be adjusted at any time, the problem that the welding in the past has limitation is solved, the cylinder base material is not required to be subjected to spot welding, the quality of the cylinder base material is guaranteed, and the time and the work for spot welding and removing a large number of horses are saved;

2) the hydraulic device is simple to operate, more manpower assistance is not needed, the assembly time is greatly shortened, the safety factor is improved, the labor intensity of workers is reduced, and the manpower cost is saved;

3) the hydraulic device is provided with the positioning slide rod, and the fixed ring plate group can reciprocate along the axial direction of the positioning slide rod, so that the position of the fixed ring plate group can be adjusted to be matched with various reinforcing base plates for use, in addition, the outer diameters of various cylinders can be matched by controlling the stroke of a piston rod of the hydraulic jack, and the effect of flexible assembly is realized;

4) the hydraulic device assists the fixed ring plate set to move on the same barrel in a reciprocating manner by arranging the axial pushing roller to match with a crane, so that the fixed ring plate set moves more smoothly and more labor-saving, and the axial pushing roller can also play a role in limiting protection;

5) the hydraulic device realizes that multiple points uniformly apply pressure to the reinforcing base plate by arranging the plurality of hydraulic jacks, and controls the stroke of each jack simultaneously by controlling the oil way distribution device, so that the multi-point jacking reinforcing base plate is tightly attached to the barrel, the requirement of the assembly on the gap in the process is met, the forming effect of the reinforcing base plate is good, and the assembly precision is high.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a hydraulic device in an embodiment.

Fig. 2 is a schematic structural diagram of another view of the hydraulic device in the embodiment.

Reference numerals: the hydraulic pump station comprises a hydraulic pump station 1, a first pipeline 21, a second pipeline 22, an oil way distribution device 3, a hydraulic jack 4, a fixed ring plate group 5, a first ring plate 51, a second ring plate 52, a positioning slide rod 6, a sliding sleeve 61, an axial pushing pulley 7, a reinforcing backing plate 8 and a barrel 9.

Detailed Description

The utility model is further described with reference to the following examples.

The specific embodiment of the novel bushing and cylinder assembly hydraulic device disclosed by the utility model is shown in fig. 1-2, and the hydraulic device comprises a hydraulic pump station 1, a first pipeline 21, a second pipeline 22, an oil way distribution device 3, a hydraulic jack 4 group, a fixed ring plate group 5, a positioning slide rod 6 and an axial pushing pulley 7.

In this embodiment, the positioning slide bar 6 is provided with four, four positioning slide bars 6 are arranged along the circumference interval of fixed ring plate group 5, and fixed ring plate group 5 is provided with two sets ofly, two sets of fixed ring plate group 5 are arranged along the axial interval of positioning slide bar 6, each fixed ring plate group 5 of group all sets up four movable holes of arranging along its circumference, equal fixed mounting has sliding sleeve 61 in each movable hole, each positioning slide bar 6 corresponds and inserts a sliding sleeve 61, sliding sleeve 61 can follow the axial sliding of positioning slide bar 6, thereby realize that fixed ring plate group 5 can follow the axial reciprocating motion of positioning slide bar 6. It should be noted that each sliding sleeve 61 has a top thread for locking the position, one of the fixed ring plate sets 5 can be locked at the end of the positioning slide 6 and thus fixed relative to the positioning slide 6, while the other fixed ring plate set 5 can be slid and locked to adapt the length of the various reinforcing mat 8. In addition, the middle part of each fixed ring plate group 5 is provided with a movable channel for inserting the cylinder 9 and the reinforcing base plate 8 along the axial direction.

As an improvement, each group of the fixed ring plate groups 5 is provided with a plurality of hydraulic jacks 4 arranged at intervals along the circumferential direction of the fixed ring plate groups 5, and piston rods of the hydraulic jacks 4 face the center of the fixed ring plate groups 5 along the radial direction of the fixed ring plate groups 5, so that the hydraulic device can be adapted to barrels 9 of various specifications or reinforced base plates 8 of various thicknesses by controlling the stroke of the piston rods of the hydraulic jacks 4, and the applicability of the hydraulic device is improved.

In this embodiment, each group of fixed ring plate groups 5 includes a first ring plate 51 and a second ring plate 52 axially spaced from the first ring plate 51 along the positioning slide bar 6, each hydraulic jack 4 is fixedly installed between the first ring plate 51 and the second ring plate 52, and the specific fixing mode may be implemented by bolt fixing or welding, and the first ring plate 51 and the second ring plate 52 are fixedly connected, and may also be implemented by bolt fixing or welding.

In order to facilitate the sliding of the fixed ring plate group 5 and the sleeving of the reinforced backing plate 8 or the cylinder 9 into the fixed ring plate group 5, the inner ring of the fixed ring plate group 5 is further provided with two axial pushing rollers which roll axially towards the positioning slide rod 6, the two axial pushing rollers 7 are arranged on two sides of the vertical center line of the fixed ring plate group 5 at an angle of 60 degrees with each other, and the two axial pushing rollers are arranged on the upper portion of the inner ring of the fixed ring plate group 5 at intervals along the circumferential direction of the fixed ring plate group 5. The first annular plate 51 and the second annular plate 52 are both provided with a slot for inserting an axial pushing roller, a rotating shaft exposed in the slot is clamped between the first annular plate 51 and the second annular plate 52, and the axial pushing roller is sleeved on the outer peripheral side of the rotating shaft. It should be noted that both ends of the rotating shaft may be embedded between the first ring plate 51 and the second ring plate 52. Through setting up the axial and promoting the gyro wheel to make fixed ring plate group 5 can cooperate the crane round trip movement on same barrel 9, reduce when the group offsets, the axial promotes the gyro wheel simultaneously and also plays spacing protection's effect.

In this embodiment, the hydraulic device further includes a hydraulic pump station 1 and an oil path distribution device 3 communicated with the hydraulic pump station 1, and the oil path distribution device 3 is communicated with each hydraulic jack 4. Specifically, two oil path distribution devices 3 are provided, the two oil path distribution devices 3 are correspondingly and fixedly installed on the two sets of fixed ring plate sets 5, each oil path distribution device 3 is respectively communicated with each hydraulic jack 4 on the corresponding fixed ring plate set 5 through a second pipeline 22, and the hydraulic pump station 1 is respectively communicated with the two oil path distribution devices 3 through a first pipeline 21.

The working process of the hydraulic device of the embodiment is as follows: according to the length of the reinforcing backing plate 8, the axial distance between the two fixed ring plate groups 5 is adjusted by the positioning slide rod 6 and the axial push pulley 7, the reinforced backing plate 8 is sleeved outside the base metal of the cylinder 9 under the assistance of the axial pushing pulley 7, the hydraulic pump station 1 is started to enable hydraulic oil to be conveyed to each oil way distribution device 3 through the first pipeline 21, each oil way distribution device 3 is conveyed to each hydraulic jack 4 through the second pipeline 22, the piston rods of the hydraulic jacks 4 simultaneously drive and compress the reinforced backing plate 8, the reinforced backing plate 8 is tightly attached to the cylinder 9, and after one-time compression assembly of the reinforced backing plate 8 is completed, on the same cylinder 9, the hydraulic device is pushed to the next reinforcing backing plate 8 position under the coordination of the axial pushing pulley 7 and an external crane, and the actions are repeated to complete the pairing of a plurality of reinforcing backing plates 8.

The novel bush of this embodiment is to hydraulic means with barrel group, compared with the prior art, it is first, hydraulic means can apply external force to reinforcing backing plate 8 through a plurality of hydraulic jack 4, thereby make reinforcing backing plate 8 embrace in the periphery side of barrel 9 base metal in order to accomplish group to work, the group of spot welding frock on barrel 9 base metal has been replaced in the past to the mode of group, can adjust at any time and embrace the position, the problem of welding in the past there is the limitation has been solved, need not to carry out spot welding to barrel 9 base metal, the quality of barrel 9 base metal has been preserved, a large amount of spot welding horses have been saved, time and work of cleaing away the horses. Secondly, hydraulic means easy operation need not more manpower supplementary, shortens the group greatly and to consuming time, has improved factor of safety, has reduced workman's intensity of labour, has saved the human cost. Thirdly, the hydraulic device is provided with the positioning slide rod 6, the fixed ring plate group 5 can reciprocate along the axial direction of the positioning slide rod 6, so that the position of the fixed ring plate group 5 can be adjusted to be matched with various reinforcing base plates 8 for use, in addition, the outer diameters of various cylinders 9 can be matched by controlling the stroke of a piston rod of the hydraulic jack 4, and the effect of flexible assembly is realized. Fourthly, the hydraulic device pushes the roller wheel auxiliary fixing ring plate set 5 to be matched with a crane to move on the same barrel 9 in a reciprocating mode, so that the fixing ring plate set 5 can move more smoothly and more labor-saving, and meanwhile, the roller wheel is pushed in the axial direction to achieve the limiting protection effect. Fifthly, the hydraulic device realizes that multiple points uniformly apply pressure to the reinforcing base plate 8 by arranging the plurality of hydraulic jacks 4, and simultaneously controls the stroke of each jack by controlling the oil way distribution device 3, so that the reinforcing base plate 8 is pressed against the cylinder 9 by the multiple points, the requirement of the assembly on the gap in the process is met, the forming effect of the reinforcing base plate 8 is good, and the assembly precision is high.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A novel hydraulic device for assembling a bushing and a barrel body is characterized by comprising a positioning slide rod and a fixing ring plate group sleeved on the positioning slide rod, wherein the fixing ring plate group can reciprocate along the axial direction of the positioning slide rod, and a movable channel for inserting the barrel body and a reinforcing base plate along the axial direction is arranged in the middle of the fixing ring plate group;

the fixed ring plate group is also provided with a plurality of hydraulic jacks which are arranged at intervals along the circumferential direction of the fixed ring plate group, and piston rods of the hydraulic jacks face the center of the fixed ring plate group along the radial direction of the fixed ring plate group; the inner ring of the fixed ring plate group is also provided with at least one axial pushing roller which axially rolls towards the positioning slide rod;

the hydraulic device further comprises a hydraulic pump station and an oil way distribution device communicated with the hydraulic pump station, and the oil way distribution device is communicated with the hydraulic jacks.

2. The novel bushing and cylinder group pair hydraulic device as claimed in claim 1, wherein the positioning slide bars are provided in plurality, and the plurality of positioning slide bars are arranged at intervals along the circumferential direction of the fixed ring plate group.

3. The novel bushing and cylinder assembly hydraulic device as claimed in claim 2, wherein the fixed ring plate assembly has a plurality of movable holes circumferentially arranged therein, each movable hole has a sliding sleeve fixedly mounted therein, each positioning slide rod is correspondingly inserted into one sliding sleeve, and the sliding sleeve can slide axially along the positioning slide rod.

4. The novel bushing and cylinder block pair hydraulic device according to claim 1, wherein at least two sets of the fixed ring plate sets are provided, and each set of the fixed ring plate sets is arranged at intervals along the axial direction of the positioning slide bar.

5. The novel bushing and cylinder assembly hydraulic device according to claim 1 or 4, wherein the fixed ring plate set comprises a first ring plate and a second ring plate axially spaced from the first ring plate along the positioning slide rod, each hydraulic jack is fixedly installed between the first ring plate and the second ring plate, and the first ring plate and the second ring plate are fixedly connected.

6. The novel bushing and cylinder assembly hydraulic device according to claim 5, wherein the first ring plate and the second ring plate are both provided with a slot for the axial pushing roller to be inserted into, a rotating shaft exposed out of the slot is clamped between the first ring plate and the second ring plate, and the axial pushing roller is sleeved on the outer peripheral side of the rotating shaft.

7. The novel bushing and cylinder assembly hydraulic device according to claim 4, wherein there are at least two oil path distribution devices, each oil path distribution device is correspondingly and fixedly installed on one fixed ring plate set, and each oil path distribution device is respectively communicated with each hydraulic jack on the corresponding fixed ring plate set through a second pipeline.

8. The novel liner and barrel assembly hydraulic apparatus of claim 7 wherein the hydraulic pump station communicates with each of said oil distribution devices via a first conduit.

9. The novel bushing and cylinder assembly hydraulic device according to claim 1, wherein at least two axial pushing rollers are provided, and each axial pushing roller is arranged on the upper portion of the inner ring of the fixed ring plate group at intervals along the circumferential direction of the fixed ring plate group.

10. The new bushing and cartridge set pair hydraulic device according to claim 1, wherein the angle between two adjacent axial pushing rollers is 60 °.