CN109909947B - Four stand hydraulic press auxiliary device - Google Patents
Four stand hydraulic press auxiliary device Download PDFInfo
- Publication number
- CN109909947B CN109909947B CN201910208023.4A CN201910208023A CN109909947B CN 109909947 B CN109909947 B CN 109909947B CN 201910208023 A CN201910208023 A CN 201910208023A CN 109909947 B CN109909947 B CN 109909947B
- Authority
- CN
- China
- Prior art keywords
- oil press
- base
- column
- oil
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 63
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The invention relates to an auxiliary device of a four-column oil press, and belongs to the technical field of auxiliary equipment of oil presses. The technical proposal is as follows: comprises a self-adjusting supporting frame (1), a four-column oil press (2) and a longitudinal moving trolley (3); four upright posts (2-2) which are arranged in parallel are arranged between an oil press upper seat (2-3) and an oil press base (2-1) in the four-upright-post oil press (2), four corners of a supporting plate (1-3) are respectively connected to the four upright posts (2-2) in a sliding mode, a plurality of springs (1-1) are arranged between the supporting plate (1-3) and the oil press base (2-1), two long strip holes (1-7) are respectively arranged on two diagonal lines of the supporting plate (1-3), and a supporting column (1-4) is arranged in each long strip hole (1-7); the longitudinal moving trolley (3) is fixed at one side of the oil press base (2-1). The beneficial effects of the invention are as follows: the practical requirements of disassembly and assembly parts with different specifications and different external dimensions can be met, and the disassembly and assembly efficiency is improved.
Description
Technical Field
The invention relates to an auxiliary device of a four-column oil press, and belongs to the technical field of auxiliary equipment of oil presses.
Background
At present, the daily offline equipment assembly is mainly aimed at the disassembly, assembly and reutilization of materials such as bearings, gears, couplings, shafts and spare parts. The dismounting mode basically adopts mechanical dismounting, heating/refrigerating dismounting or combined dismounting and the like. Most of mechanical disassembly and assembly are performed by means of auxiliary equipment such as a puller and an oil press corresponding to the spare parts, and the disassembly and assembly are performed by a method that an oxygen-acetylene gas source is heated in a part of a heating/refrigerating disassembly and assembly mode. The two modes have the following defects: firstly, because the model and the specification of the spare parts or materials to be disassembled are different, one-to-one auxiliary disassembling equipment is needed to finish the disassembly, and because one machine of multipurpose auxiliary disassembling equipment is not provided, the disassembly procedure is complicated. In addition, in the disassembly and assembly process, the lifting and fixing difficulties of the equipment are high, and the safety operation is not facilitated; and when the disassembly is carried out by adopting an oxygen-acetylene gas source heating mode, more than 50% of the disassembly is destructive, and the disassembled spare parts or materials are basically scrapped, so that the recycling value is lost. The temperature control and the heating uniformity during installation are difficult to control, and reworking, spare parts, material scrapping and the like are caused.
Therefore, it is necessary to develop an auxiliary device of the hydraulic press for dismounting parts, which is multipurpose, safe and reliable and can adapt to different sizes and different shapes.
Disclosure of Invention
The invention aims to provide the four-column oil press auxiliary device which can meet the disassembly and assembly requirements of disassembly and assembly parts with different specifications and different external dimensions, improve the disassembly and assembly efficiency and solve the problems in the background technology.
The technical scheme of the invention is as follows:
an auxiliary device of a four-column oil press comprises a self-adjusting supporting frame, the four-column oil press and a longitudinal moving trolley;
the four-column oil press comprises an oil press base, columns, an oil press upper seat, oil cylinders and hanging rings, wherein the oil press upper seat and the oil press base are arranged up and down;
the self-adjusting support frame comprises springs, spring positioning pins, support plates, support columns and strip holes, wherein the support plates are rectangular matched with four upright posts in the four-upright-post oil press, four corners of the support plates are connected to the four upright posts in a sliding mode, a plurality of springs are arranged between the support plates and an oil press base, the springs are fixed to the oil press base through the spring positioning pins, two strip holes are respectively formed in two diagonal lines of the support plates, one support column is arranged in each strip hole, and the four support columns are all arranged in parallel with the four upright posts;
the longitudinal moving trolley comprises a trolley base, a longitudinal sliding rail, a frame and longitudinal travelling wheels, wherein the trolley base is fixed on one side of the oil press base, the trolley base is provided with the longitudinal sliding rail leading to the oil press base, the longitudinal travelling wheels are arranged below the frame, and the frame is arranged on the longitudinal sliding rail through the longitudinal travelling wheels.
Four corners of the supporting plate in the self-adjusting supporting frame are respectively connected to the four upright posts in a sliding mode through a sliding block.
One side of the sliding block is fixed on the supporting plate, and the other side of the sliding block is connected to the upright post in a sliding way.
The both sides of support column are equipped with respectively with backup pad matched with gyro wheel, and the support column passes through gyro wheel roll connection in the rectangular downthehole of backup pad.
Four springs are arranged between the supporting plate and the oil press base, and each spring is respectively arranged between two adjacent upright posts.
The upper seat of the oil press is rectangular, hanging rings are arranged on four side faces of the upper seat of the oil press, and the oil cylinder is fixed on the bottom face of the upper seat of the oil press.
And a hand chain block is arranged on the hanging ring of the upper seat of the oil press.
One end of the longitudinal sliding rail is led to the oil press base, the other end of the longitudinal sliding rail is provided with a limit baffle matched with the frame, and the limit baffle is fixed on the trolley base.
When the hydraulic oil press is used, firstly, the dismounting part is pushed to be close to the base of the hydraulic oil press through the frame, the positions of the four support columns are adjusted according to the shape and the outline dimension of the dismounting part, then, the dismounting part is placed at the top ends of the four support columns through the hand chain hoist hung on the hanging ring, the hydraulic oil press with four upright columns is operated, the cylinder rod of the cylinder extends to the working position, and the dismounting part is dismounted by the cooperation of the cylinder and manpower until the dismounting of the dismounting part to be dismounted is completed.
The beneficial effects of the invention are as follows: in a certain range, the hydraulic oil press can meet the actual requirements of disassembly and assembly parts with different specifications and different external dimensions, has the function of one machine with multiple functions, and has the characteristics of simple, safe and reliable system adjustment of pressure, speed, travel, dwell time and the like of the four-column hydraulic oil press, so that the disassembly spare parts or materials are high in repeated utilization rate, the service lives of the spare parts or materials are prolonged, and the assembly quality of the spare parts or materials is guaranteed. The device is provided with the longitudinal moving trolley, so that the safety of the equipment in the transportation process is improved, the personal safety of operators is guaranteed, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a self-adjusting support frame;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic diagram of a four-column oil press;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of a longitudinally moving carriage;
fig. 8 is a top view of fig. 7.
In the figure: 1. self-adjusting supporting frames; 2. four-column oil press; 3. longitudinally moving the trolley; 1-1, a spring; 1-2, a spring positioning pin; 1-3, a supporting plate; 1-4, supporting columns; 1-5, idler wheels; 1-6, a sliding block; 1-7, strip holes; 2-1, an oil press base; 2-2, stand columns; 2-3, an upper seat of the oil press; 2-4, an oil cylinder; 2-5, hanging rings; 3-1, a trolley base; 3-2, a longitudinal sliding rail; 3-3, a frame; 3-4, longitudinal travelling wheels; 3-5, limiting baffle plates.
Detailed Description
The invention is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1-8, a four-column oil press auxiliary device comprises a self-adjusting supporting frame 1, a four-column oil press 2 and a longitudinal moving trolley 3;
the four-column oil press 2 comprises an oil press base 2-1, columns 2-2, an oil press upper seat 2-3, oil cylinders 2-4 and lifting rings 2-5, wherein the oil press upper seat 2-3 and the oil press base 2-1 are arranged up and down, four columns 2-2 which are arranged in parallel are arranged between the oil press upper seat 2-3 and the oil press base 2-1, a rectangle is formed between the four columns 2-2, the lifting rings 2-5 are fixed on the oil press upper seat 2-3, and the oil cylinders 2-4 are arranged below the oil press upper seat 2-3;
the self-adjusting support frame 1 comprises springs 1-1, spring positioning pins 1-2, support plates 1-3, support columns 1-4 and strip holes 1-7, wherein the support plates 1-3 are rectangular matched with four upright posts 2-2 in a four-upright-post oil press 2, four corners of the support plates 1-3 are respectively connected to the four upright posts 2-2 in a sliding manner, a plurality of springs 1-1 are arranged between the support plates 1-3 and an oil press base 2-1, the springs 1-1 are fixed on the oil press base 2-1 through the spring positioning pins 1-2, two strip holes 1-7 are respectively arranged on two diagonal lines of the support plates 1-3, one support column 1-4 is arranged in each strip hole 1-7, and the four support columns 1-4 are all arranged in parallel with the four upright posts 2-2;
the longitudinal moving trolley 3 comprises a trolley base 3-1, a longitudinal sliding rail 3-2, a frame 3-3 and longitudinal travelling wheels 3-4, wherein the trolley base 3-1 is fixed on one side of the oil press base 2-1, the longitudinal sliding rail 3-2 leading to the oil press base 2-1 is arranged on the trolley base 3-1, the longitudinal travelling wheels 3-4 are arranged below the frame 3-3, and the frame 3-3 is arranged on the longitudinal sliding rail 3-2 through the longitudinal travelling wheels 3-4.
Specific examples:
in this embodiment, as shown in fig. 1 and 2, the four-column oil press auxiliary device comprises a self-adjusting support frame 1, four-column oil presses 2 and a longitudinally moving trolley 3, wherein the self-adjusting support frame 1 is arranged in four columns 2-2 in the four-column oil presses 2, and the longitudinally moving trolley 3 is horizontally arranged on one side of an oil press base 2-1.
As shown in fig. 5 and 6, the upper seat 2-3 of the oil press is rectangular, and the four side surfaces of the upper seat 2-3 of the oil press are respectively provided with a hanging ring 2-5, and a chain block is hung on the hanging rings 2-5. The oil cylinder 2-4 is fixed on the bottom surface of the upper seat 2-3 of the oil press. Four upright posts 2-2 which are arranged in parallel between the upper base 2-3 of the oil press and the base 2-1 of the oil press are all cylinders, and a rectangle is formed between the four upright posts 2-2 which are arranged in parallel.
As shown in fig. 3 and 4, the self-adjusting supporting frame 1 comprises four springs 1-1, four spring positioning pins 1-2, a supporting plate 1-3, four supporting columns 1-4, eight sets of rollers 1-5, four sliding blocks 1-6 and four strip holes 1-7, wherein the four springs 1-1 are respectively arranged between two adjacent upright posts 2-2, and the four springs 1-1 are respectively fixed on the oil press base 2-1 through the four spring positioning pins 1-2; the supporting plate 1-3 is rectangular, four sliding blocks 1-6 are correspondingly and vertically arranged at four corners of the supporting plate 1-3, the radian of each sliding block 1-6 is equal to that of each upright post 2-2, the supporting plate 1-3 is connected to the four upright posts 2-2 in a sliding manner through the four sliding blocks 1-6, and the supporting plate 1-3 can slide up and down along the four upright posts 2-2; two long strip holes 1-7 are respectively arranged on two diagonal lines of the supporting plate 1-3, four supporting columns 1-4 are respectively arranged in the four long strip holes 1-7 on the diagonal line of the supporting plate 1-3, eight groups of rollers 1-5 are respectively correspondingly arranged on the four supporting columns 1-4, the axes of the rollers 1-5 are perpendicular to the axes of the supporting columns 1-4 and perpendicular to the diagonal line of the supporting plate 1-3, the heights of the axes of the eight groups of rollers 1-5 are equal, and the four supporting columns 1-4 can roll back and forth along the diagonal line direction of the supporting plate 1-3 through the rollers 1-5 respectively so as to adapt to disassembly and assembly of spare parts with different shapes and different external dimensions.
As shown in fig. 7 and 8, the longitudinal moving trolley 3 comprises a trolley base 3-1, two longitudinal slide ways 3-2, a frame 3-3 and longitudinal travelling wheels 3-4, wherein the two longitudinal slide ways 3-2 are longitudinally arranged at the top of the trolley base 3-1 in parallel; the frame 3-3 is in sliding connection with the longitudinal slideway 3-2 through a longitudinal travelling wheel 3-4 at the lower part of the frame, and the longitudinal center line of the frame 3-3 is aligned with the transverse center line of the oil press base 2-1; one end of the longitudinal slideway 3-2 without a limit baffle is adjacent to the oil press base 2-1, and the other end of the longitudinal slideway 3-2 is provided with a limit baffle 3-5.
The working process of the invention comprises the following steps:
after the disassembly and assembly part is placed on the frame 3-3, the frame 3-3 is pushed to the foremost end of the longitudinal slideway 3-2 to be close to the hydraulic press base 2-1, at the moment, the disassembly and assembly part is lifted and adjusted by a chain block hung on the hanging ring 2-5, then the positions of the four support columns 1-4 are adjusted to proper positions according to the shape and the outline dimension of the disassembly and assembly part, the chain block is loosened, the disassembly and assembly part is placed on the top ends of the four support columns 1-4, the four-column hydraulic press 2 is operated, the cylinder rod of the cylinder 2-4 extends to a working position, and the disassembly and assembly part is disassembled by the cooperation of the cylinder 2-4 until the disassembly and assembly of the disassembly and assembly part are completed; after the disassembly and assembly parts are disassembled and assembled, the four-column oil press 2 is operated to retract the cylinder rods of the cylinders 2-4, and at the moment, the disassembly and assembly parts are placed on the frame 3-3 through the chain block hung on the hanging rings 2-5, and then the frame 3-3 is pushed to the other end of the longitudinal slideway 3-2.
In the practical application process, the lengths of the four support columns 1-4 can be different in length during manufacturing according to the shape and the external dimension of the disassembly and assembly part; meanwhile, the positions of the four support columns 1-4 can be adjusted through sliding of the rollers 1-5, so that the purpose that the dismounting piece is in the horizontal position is ensured.
When the irregular disassembly and assembly parts are placed at the top ends of the four support columns 1-4, gravity center deviation sometimes occurs, so that the self-adjusting support frame 1 is inclined and cannot be disassembled, at the moment, the disassembly and assembly parts contacting with the support plates 1-3 can axially compress the springs 1-1 along the four spring positioning pins 1-2 due to self weight, at the moment, the positions of the support plates 1-3 move downwards, and meanwhile, the four sliding blocks 1-6 can automatically adjust the positions along the four upright columns 2-2 of the four-upright-column oil press 2, so that the self-adjusting support frame 1 is positioned at a horizontal position, and the aim of balancing loads borne by the four support columns 1-4 is fulfilled.
In the practical application process, the self-adjusting support frame 1 can be detached according to the practical requirement of the disassembly and assembly parts.
The limit baffle 3-5 not only can play a role in positioning the frame 3-3 and prevent the frame 3-3 from driving away from the two longitudinal slideways 3-2 to cause a tipping accident, but also plays a role in connecting the two longitudinal slideways 3-2 to enhance the bearing capacity.
After the device is put into use, the position of the disassembly and assembly part is adjusted by utilizing the self-adjusting support frame, the actual requirements of disassembly and assembly parts with different specifications and different external dimensions can be met within a certain range, and the self-adjusting support frame can be timely disassembled according to the actual requirements of workpieces, so that the device has the functions of one machine with multiple purposes, and the four-column oil press has the characteristics of simple, safe and reliable system adjustment and the like of pressure, speed, travel, dwell time and the like, so that the disassembly spare part or material has high recycling rate, the service life of the spare part or material is prolonged, and the assembly quality of the spare part or material is guaranteed. The device is provided with the longitudinal moving trolley, so that the safety of the equipment in the transportation process is improved, the personal safety of operators is guaranteed, and the labor intensity of workers is reduced. The device has the advantages of strong practicability, reliable work, simple and convenient operation, simple maintenance, low cost and the like, and has wide application value and popularization prospect.
Claims (6)
1. Four stand hydraulic press auxiliary device, its characterized in that: comprises a self-adjusting supporting frame (1), a four-column oil press (2) and a longitudinal moving trolley (3);
the four-column oil press (2) comprises an oil press base (2-1), columns (2-2), an oil press upper seat (2-3), oil cylinders (2-4) and lifting rings (2-5), wherein the oil press upper seat (2-3) and the oil press base (2-1) are arranged up and down, four columns (2-2) which are arranged in parallel are arranged between the oil press upper seat (2-3) and the oil press base (2-1), a rectangle is formed between the four columns (2-2), the lifting rings (2-5) are fixed on the oil press upper seat (2-3), and the oil cylinders (2-4) are arranged below the oil press upper seat (2-3);
the self-adjusting support frame (1) comprises springs (1-1), spring positioning pins (1-2), support plates (1-3), support columns (1-4) and strip holes (1-7), wherein the support plates (1-3) are rectangular matched with four upright posts (2-2) in the four-upright-post oil press (2), four corners of the support plates (1-3) are respectively and slidably connected to the four upright posts (2-2), a plurality of springs (1-1) are arranged between the support plates (1-3) and the oil press base (2-1), the springs (1-1) are fixed on the oil press base (2-1) through the spring positioning pins (1-2), two strip holes (1-7) are respectively arranged on two diagonal lines of the support plates (1-3), one support column (1-4) is arranged in each strip hole (1-7), and the four support columns (1-4) are all arranged in parallel to the four upright posts (2-2);
the vertical moving trolley (3) comprises a trolley base (3-1), a vertical sliding rail (3-2), a frame (3-3) and a vertical travelling wheel (3-4), wherein the trolley base (3-1) is fixed on one side of the oil press base (2-1), the vertical sliding rail (3-2) leading to the oil press base (2-1) is arranged on the trolley base (3-1), the vertical travelling wheel (3-4) is arranged below the frame (3-3), and the frame (3-3) is arranged on the vertical sliding rail (3-2) through the vertical travelling wheel (3-4);
four corners of a supporting plate (1-3) in the self-adjusting supporting frame (1) are connected to four upright posts (2-2) in a sliding mode through a sliding block (1-6);
two sides of the support column (1-4) are respectively provided with a roller (1-5) matched with the support plate (1-3), and the support column (1-4) is connected in a strip hole (1-7) of the support plate (1-3) in a rolling way through the roller (1-5).
2. The four-column oil press auxiliary device according to claim 1, wherein: one side of the sliding block (1-6) is fixed on the supporting plate (1-3), and the other side of the sliding block (1-6) is connected to the upright post (2-2) in a sliding way.
3. The four-column oil press auxiliary device according to claim 1, wherein: four springs (1-1) are arranged between the supporting plate (1-3) and the oil press base (2-1), and each spring (1-1) is respectively arranged between two adjacent upright posts (2-2).
4. The four-column oil press auxiliary device according to claim 1, wherein: the upper base (2-3) of the oil press is rectangular, hanging rings (2-5) are arranged on four side faces of the upper base (2-3) of the oil press, and the oil cylinder (2-4) is fixed on the bottom face of the upper base (2-3) of the oil press.
5. A four-post oil press auxiliary device according to claim 1 or 4, characterized in that: and a chain block is arranged on the hanging ring (2-5) of the upper seat (2-3) of the oil press.
6. The four-column oil press auxiliary device according to claim 1, wherein: one end of the longitudinal sliding rail (3-2) is led to the oil press base (2-1), the other end of the longitudinal sliding rail (3-2) is provided with a limit baffle (3-5) matched with the frame (3-3), and the limit baffle (3-5) is fixed on the trolley base (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208023.4A CN109909947B (en) | 2019-03-19 | 2019-03-19 | Four stand hydraulic press auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208023.4A CN109909947B (en) | 2019-03-19 | 2019-03-19 | Four stand hydraulic press auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109909947A CN109909947A (en) | 2019-06-21 |
| CN109909947B true CN109909947B (en) | 2024-03-22 |
Family
ID=66965600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208023.4A Active CN109909947B (en) | 2019-03-19 | 2019-03-19 | Four stand hydraulic press auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109909947B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200177136Y1 (en) * | 1999-09-16 | 2000-04-15 | 정선래 | Structure of cable assembly of 4 post lift |
| CN201077155Y (en) * | 2007-09-10 | 2008-06-25 | 重庆市蔡氏液压设备有限公司 | Four-column type rapid energy-saving sheet stamping hydraulic press |
| CN102814635A (en) * | 2012-08-03 | 2012-12-12 | 江阴新仁科技有限公司 | Dismantling and assembling device for large-sized bearing box |
| CN204340245U (en) * | 2014-12-22 | 2015-05-20 | 安徽中瑞机床制造有限公司 | A kind of four-column type hydraulic press |
| CN207105689U (en) * | 2017-08-09 | 2018-03-16 | 佛山晟华汽车零部件制造有限公司 | A kind of four-column hydraulic press of tape travel control device |
| CN209999092U (en) * | 2019-03-19 | 2020-01-31 | 张家口宣钢机电工程有限公司 | four-upright-column oil press auxiliary device |
-
2019
- 2019-03-19 CN CN201910208023.4A patent/CN109909947B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200177136Y1 (en) * | 1999-09-16 | 2000-04-15 | 정선래 | Structure of cable assembly of 4 post lift |
| CN201077155Y (en) * | 2007-09-10 | 2008-06-25 | 重庆市蔡氏液压设备有限公司 | Four-column type rapid energy-saving sheet stamping hydraulic press |
| CN102814635A (en) * | 2012-08-03 | 2012-12-12 | 江阴新仁科技有限公司 | Dismantling and assembling device for large-sized bearing box |
| CN204340245U (en) * | 2014-12-22 | 2015-05-20 | 安徽中瑞机床制造有限公司 | A kind of four-column type hydraulic press |
| CN207105689U (en) * | 2017-08-09 | 2018-03-16 | 佛山晟华汽车零部件制造有限公司 | A kind of four-column hydraulic press of tape travel control device |
| CN209999092U (en) * | 2019-03-19 | 2020-01-31 | 张家口宣钢机电工程有限公司 | four-upright-column oil press auxiliary device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109909947A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204508704U (en) | A kind of tire lifting travelling bogie | |
| CN203972473U (en) | Cold-rolling mill roll assembling device | |
| CN202207709U (en) | Special attachment for replacing rolling mill stepped shims and lower hydraulic AGC device | |
| CN102335677A (en) | Quick replacement device and replacement method for stand roller of heavy plate mill | |
| CN109530597B (en) | Heavy-duty die transportation double-U-shaped trolley and quick replacement system and method | |
| CN204747073U (en) | Conveyor is changed to slab band rolling mill AGC pneumatic cylinder | |
| CN109909947B (en) | Four stand hydraulic press auxiliary device | |
| CN205324354U (en) | Two supporting roll chock dismouting devices of block form | |
| CN209999092U (en) | four-upright-column oil press auxiliary device | |
| CN201823754U (en) | Device for replacing bent roller block or balance block of rolling mill | |
| CN203198284U (en) | Loading and unloading mechanism for dies on press machine | |
| CN210879486U (en) | Axle box bearing dismounting device of rail flat car | |
| CN110523779B (en) | Device and method for replacing stand roller of reversible rolling mill | |
| CN203501779U (en) | Auxiliary device for trolley replacement | |
| CN205949480U (en) | Quick roll -changing device of four -high mill | |
| CN206969602U (en) | One kind send die device | |
| CN111015580B (en) | Horizontal roller hydraulic cylinder replacing tool for section steel rolling mill and using method | |
| CN216657800U (en) | Roller bearing seat dismounting device | |
| CN219032077U (en) | Coal charging car supporting wheel mechanism convenient to dismantle | |
| CN103394514A (en) | Quick dismantling and replacing device for bearing pedestals of working roll | |
| CN213915483U (en) | Roller changing trolley for bar mill | |
| CN219683576U (en) | Trolley for dismounting and mounting working roll balance block of hot continuous rolling mill | |
| CN218460451U (en) | Roller disassembling and assembling device | |
| CN210060982U (en) | Device for replacing wheel bearing of sintering machine | |
| CN110328241B (en) | Rack roll replacing tool and method for reversible four-high mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |