CN109807811B - Method for disassembling and assembling oversized connecting bolt of high-pressure container - Google Patents
Method for disassembling and assembling oversized connecting bolt of high-pressure container Download PDFInfo
- Publication number
- CN109807811B CN109807811B CN201910122835.7A CN201910122835A CN109807811B CN 109807811 B CN109807811 B CN 109807811B CN 201910122835 A CN201910122835 A CN 201910122835A CN 109807811 B CN109807811 B CN 109807811B
- Authority
- CN
- China
- Prior art keywords
- heavy
- chain block
- hammer
- oversized
- connecting bolt
- 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
Images
Abstract
The method for disassembling and assembling the oversized connecting bolt of the high-pressure container comprises the following steps: one end of the chain block is hung on the upright post of the operating platform, and the tail part of the heavy striking wrench clamped on the oversized connecting bolt is hung by the lower hook head of the chain block; the hanging chain block is arranged on a hanging beam, the lower hook head of the hanging chain block hooks the hanging ring of the heavy traveling hammer, and the hanging height of the heavy traveling hammer is consistent with the height of a heavy striking wrench clamped on an oversized connecting bolt; one operator pulls the chain block tightly, the other operator pushes the heavy traveling hammer to enable the heavy traveling hammer to impact and strike the heavy striking wrench, when the nut of the oversized connecting bolt is loosened, the chain block is continuously pulled tightly, when the oversized connecting bolt rotates upwards or downwards, the height of the heavy traveling hammer is adjusted by the hanging chain block until the bolt is dismounted or fastened, and the method is low in investment cost, economical, low in consumption and maintenance cost and capable of being repeatedly used in a turnover mode.
Description
Technical Field
The invention belongs to a method for disassembling and assembling an oversized connecting bolt on a large-sized high-pressure container end socket, and particularly relates to a method for disassembling and assembling an oversized connecting bolt on a high-pressure container end socket.
Background
Along with the progress of society, high-voltage equipment and pressure vessels for chemical engineering, chemical fertilizer, petroleum and other projects are more, connecting bolts of the equipment are also thicker, fastening and dismounting of large-diameter bolts are more difficult, especially for rusty bolts on high-voltage equipment running for a long time, dismounting and overhauling are more difficult, methods such as hydraulic wrench dismounting, grinding machine, flame or hacksaw destructive cutting, sledge hammer striking and the like are generally adopted during overhauling and dismounting, but the oil pump is often suppressed and is difficult to dismount by adopting the hydraulic wrench, the grinding machine and flame destructive cutting need the sledge operation, some chemical media strictly prohibit the sledge operation, the sledge operation is extremely dangerous, the sledge hammer striking impact force is insufficient to influence the construction period by adopting the sledge destructive cutting work efficiency, and the sledge hammer striking impact force cannot be dismounted. The method for disassembling and assembling the oversized connecting bolt of the high-pressure container can effectively overcome the defects of the method by disassembling and fastening the oversized connecting bolt.
Disclosure of Invention
The invention aims to overcome the defects of the existing method and provide a method for disassembling and assembling an oversized connecting bolt of a high-pressure container.
In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:
the invention relates to a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following tools: support, hang chain block, heavy trip hammer, heavy strike spanner and chain block, the support frame is around high-pressure vessel and top, and the support includes: the method comprises the following steps that four stand columns, two cross beams, two longitudinal beams, an operation platform and a suspension beam are arranged, wherein the heights of the four stand columns are higher than that of the high-pressure container, the bottom ends of the four stand columns are fixed on the ground, the top ends of the four stand columns are respectively welded with the two cross beams and the two longitudinal beams, the suspension beam is welded between the two longitudinal beams, the operation platform is laid between the four stand columns which are parallel to a plane formed by the two cross beams and the two longitudinal beams, and the method is used for dismounting and mounting an oversized connecting bolt on a container end; wherein: the method comprises the following steps:
(a) an operator stands on the operating platform, one end of the chain block is hung on an upright post of the operating platform, the tail part of a heavy striking wrench clamped on an oversized connecting bolt is hung by a lower hook head of the chain block, and the operator tightens the chain block;
(b) the hanging chain block is arranged on the hanging beam, the lower hook head of the hanging chain block hooks the hanging ring of the heavy traveling hammer, the heavy traveling hammer is parallel to the heavy striking wrench, and the hanging height of the heavy traveling hammer is consistent with the height of the heavy striking wrench clamped on the oversized connecting bolt;
(c) one operator pulls the chain block, the other operator pushes the heavy traveling hammer to enable the heavy traveling hammer to impact and strike the heavy striking wrench, when the nut of the oversized connecting bolt is loosened, the chain block is continuously pulled, when the oversized connecting bolt rotates upwards or downwards, the height of the heavy traveling hammer is adjusted by using the hanging chain block, and the step (c) is repeated until the bolt is dismounted or fastened;
(d) repeating the steps (a) to (c), and dismantling or fastening all the oversized connecting bolts in the high-pressure container;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the heavy type traveling hammer includes: the hammer comprises a hammer body, a hammer head, a hanging ring, a push-pull handle, a balancing weight and a copper block, wherein the hammer head is welded at one end of the hammer body, the copper block is embedded and fixed in the hammer head, the push-pull handle is arranged at the other end of the hammer body, the hanging ring is arranged at the gravity center of the upper surface of the hammer body, a dovetail groove is formed below the hammer body, at least one balancing weight is arranged in the dovetail groove, and the balancing weight is fixed in the dovetail groove by a hexagon bolt;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the heavy-duty traveling hammer further comprises: at least one handle welded on the hammer body;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the handles are respectively welded on two sides of the upper surface of the hammer body;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the handle is a U-shaped handle;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the push-pull handle comprises: the hammer comprises a handle, connecting cylinders, connecting rods and a fixing plate, wherein the handle is welded at one end of each of the two connecting rods, the fixing plate penetrates through the two connecting rods, the connecting cylinders are welded at the other ends of the two connecting rods respectively, the other end of the hammer body is arranged between the two connecting rods, the fixing plate is fixed at the end part of the other end of the hammer body through fixing bolts, and the two connecting bolts penetrate through the connecting cylinders respectively and are fixed on the side surface of the other end of the hammer;
the invention discloses a method for disassembling and assembling an oversized connecting bolt of a high-pressure container, which comprises the following steps: the balancing weight is three, wherein one balancing weight is fixed in the dovetail groove through a hexagon bolt, and the other two balancing weights are fixed on the balancing weights through the hexagon bolt in sequence.
Compared with the methods of hydraulic wrench disassembly, grinder, flame or hacksaw destructive cutting, sledge hammer striking and the like, the method for disassembling and assembling the oversized connecting bolt of the high-pressure container has the following advantages:
1. the dismounting is convenient, and the number of the heavy type traveling hammer counter weight blocks can be increased or decreased according to the size of the bolt, the corrosion degree and other factors, so that the impact force can be controlled.
2. Compared with the method for dismantling the connecting bolt with the ultra-large diameter by adopting a hydraulic wrench, the method has the advantages of low investment cost, economy, consumption reduction and maintenance cost, and can be repeatedly recycled.
3, the operation is simple and flexible, the labor is saved, and the labor intensity is reduced.
4 in addition, the hammer head of the heavy-duty traveling hammer is provided with a copper block, so that sparks are not generated in the impacting process, safety and reliability are realized, and the occurrence of explosion accidents is avoided.
Drawings
FIG. 1 is a schematic diagram of a method for assembling and disassembling an oversized connecting bolt of a high-pressure vessel according to the present invention;
FIG. 2 is a top view of FIG. 1, showing only a small piece of the platform for clarity;
FIG. 3 is a schematic forward view of a heavy-duty traveling hammer;
FIG. 4 is a right-hand schematic view of FIG. 3;
FIG. 5 is a schematic view of the push-pull handle in a forward direction;
FIG. 6 is a top view of FIG. 5;
fig. 7 is a side view of fig. 5.
In fig. 1 to 7, reference numeral 1 is an operation platform; reference numeral 2 is a column; reference numeral 3 is a heavy striking wrench; reference numeral 4 is a beam; the number 5 is a hanging chain block; reference numeral 6 is a heavy-duty traveling hammer; reference numeral 7 is a vessel head; reference numeral 8 is an oversized connecting bolt; reference numeral 9 is a high-pressure vessel; reference numeral 10 is a suspension beam; the number 11 is chain block; reference numeral 12 is a longitudinal beam; reference numeral 601 is; reference numeral 602 is; reference numeral 603 is; reference numeral 604 is; reference numeral 605 is; reference numeral 607 is; reference numeral 608 is; reference numeral 6051 is; reference numeral 6052; reference numeral 6053 is; reference numeral 6054; reference numeral 6055; reference numeral 6056;
Detailed Description
The invention is firstly applied to maintenance engineering of high-pressure equipment such as a system oil separator, an ammonia cooler and the like in a maintenance technical service project of a synthetic ammonia/urea device of a certain fertilizer company, and is successfully used for completing the disassembly and the re-assembly of the ultra-large diameter connecting bolts on the system oil separator, the ammonia cooler and the like, and the invention is further explained by combining figures 1 to 7.
As shown in fig. 1 to 2, the tool used in the method for assembling and disassembling the oversized connecting bolt of the high-pressure vessel of the invention comprises: support, hang chain block 5, heavy trip hammer 6, heavy strike spanner 3 and chain block 11, the support frame includes around high-pressure vessel 9 and top: the method comprises the following steps that four upright posts 2, two cross beams 4, two longitudinal beams 12, an operation platform 1 and a suspension beam 10 are arranged, the heights of the four upright posts 2 are higher than that of a high-pressure container 9, the bottom ends of the four upright posts 2 are fixed on the ground, the top ends of the four upright posts 2 are respectively welded with the two cross beams 4 and the two longitudinal beams 12, the suspension beam 10 is welded between the two longitudinal beams 12, the operation platform 1 is laid between the four upright posts 2 which are parallel to a plane formed by the two cross beams 4 and the two longitudinal beams 12, and the method is used for dismounting and mounting an oversized connecting bolt 8 on a container end socket 7 of; the method comprises the following steps:
(a) an operator stands on the operating platform 1, one end of a chain block 11 is hung on an upright post 2 of the operating platform 1, the tail part of a heavy striking wrench 3 clamped on an oversized connecting bolt 8 is hung by a lower hook head of the chain block 11, and the operator tightens the chain block 11;
(b) the hanging chain block 5 is installed on the hanging beam 10, the lower hook head of the hanging chain block 5 hooks the hanging ring 604 of the heavy traveling hammer 6, the heavy traveling hammer 6 is parallel to the heavy striking wrench 3, and the hanging height of the heavy traveling hammer 6 is consistent with the height of the heavy striking wrench 3 clamped on the oversized connecting bolt 8;
(c) one operator pulls the chain block 11 tightly, the other operator pushes the heavy traveling hammer 6 to enable the heavy traveling hammer 6 to impact and strike the heavy striking wrench 3, when the nut of the oversized connecting bolt 8 is loosened, the chain block 11 is continuously pulled tightly, when the oversized connecting bolt 8 rotates upwards or downwards, the height of the heavy traveling hammer 6 is adjusted by the hanging chain block 5, and the step (c) is repeated until the bolt 8 is detached or fastened;
(d) and (c) repeating the steps (a) to (c), and removing or fastening all the oversized connecting bolts 8 in the high-pressure container 9.
As shown in fig. 3 and 4, the heavy-duty traveling hammer 6 includes: the novel hammer comprises a hammer body 603, hammers 601, handles 602, a hanging ring 604, a push-pull handle 605, a balancing weight 606 and a copper block 608, wherein the hammers 601 are welded at one end of the hammer body 603, the copper block 608 is embedded and fixed in the hammers 601, the push-pull handle 605 is installed at the other end of the hammer body 603, the hanging ring 604 is installed at the center of gravity of the upper surface of the hammer body 603, the two handles 602 are welded on the hammer body 603, the handles 602 are U-shaped handles, a dovetail groove is formed below the hammer body 603, one balancing weight 606 is fixed in the dovetail groove through a hexagon bolt 607, and the other two balancing weights 606 are fixed on the balancing weight 606 through the hexagon bolt 607 in sequence.
As shown in fig. 5 to 7, the push-pull handle 605 includes: handle 6056, connecting cylinder 6052, connecting rod 6053 and fixed plate 6054, the welding of the one end of two connecting rods 6053 has handle 6056, fixed plate 6054 passes two connecting rods 6053, a connecting cylinder 6052 has been welded respectively to the other end of two connecting rods 6053, the dress is at the hammer body 603 other end between two connecting rods 6053, fixed plate 6054 passes through fixing bolt 6055 and fixes the tip at the hammer body 603 other end, two connecting bolt 6051 pass respectively connecting cylinder 6052 and fix on the side of the hammer body 603 other end.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. A method for disassembling and assembling an oversized connecting bolt of a high-pressure container comprises the following steps: support, hang chain block (5), heavy trip hammer (6), heavy strike spanner (3) and chain block (11), the support frame is around high-pressure vessel (9) and top, and the support includes: the method comprises the following steps that four stand columns (2), two cross beams (4), two longitudinal beams (12), an operation platform (1) and a suspension beam (10) are arranged, the height of each stand column (2) is higher than that of a high-pressure container (9), the bottom ends of the four stand columns (2) are fixed on the ground, the top ends of the four stand columns (2) are respectively welded with the two cross beams (4) and the two longitudinal beams (12), the suspension beam (10) is welded between the two longitudinal beams (12), the operation platform (1) is laid between the four stand columns (2) which are parallel to a plane formed by the two cross beams (4) and the two longitudinal beams (12), and the method is used for dismounting and mounting oversized connecting bolts (8) on a container end socket (7) of the high-pressure; the method is characterized in that: the heavy-duty traveling hammer (6) comprises: hammer body (603), tup (601), rings (604), push-and-pull (605), balancing weight (606), copper billet (608) and at least one handle (602), the one end welding of hammer body (603) has tup (601), embedding and be fixed with copper billet (608) in tup (601), the other end of hammer body (603) is equipped with and pushes away and draws handle (605), centre of gravity department above hammer body (603) is equipped with rings (604), set up a dovetail below hammer body (603), be equipped with at least one balancing weight (606) in this dovetail, fix balancing weight (606) in the dovetail with hex bolts (607), handle (602) welding is on hammer body (603), push away and draw handle (605) include: handle (6056), connecting cylinder (6052), connecting rod (6053) and fixed plate (6054), handle (6056) have been welded to the one end of two connecting rods (6053), two connecting rods (6053) are passed in fixed plate (6054), a connecting cylinder (6052) has been welded respectively to the other end of two connecting rods (6053), install between two connecting rods (6053) hammer body (603) the other end, fixed plate (6054) are fixed the tip at hammer body (603) the other end through fixing bolt (6055), two connecting bolt (6051) pass connecting cylinder (6052) respectively and fix on the side of hammer body (603) the other end, this method includes following steps:
(a) an operator stands on an operation platform (1), one end of a chain block (11) is hung on a vertical column (2) of the operation platform (1), the tail part of a heavy striking wrench (3) clamped on an oversized connecting bolt (8) is hung by a lower hook head of the chain block (11), and the operator tightens the chain block (11);
(b) the hanging chain block (5) is installed on the hanging beam (10), the lower hook head of the hanging chain block (5) hooks the hanging ring (604) of the heavy traveling hammer (6), the heavy traveling hammer (6) is parallel to the heavy striking wrench (3), and the hanging height of the heavy traveling hammer (6) is consistent with the height of the heavy striking wrench (3) clamped on the oversized connecting bolt (8);
(c) one operator tightens the chain block (11), the other operator pushes the heavy traveling hammer (6) to enable the heavy traveling hammer (6) to impact and strike the heavy striking wrench (3), when the nut of the oversized connecting bolt (8) is loosened, the chain block (11) is continuously tightened, when the oversized connecting bolt (8) rotates upwards or downwards, the height of the heavy traveling hammer (6) is adjusted by the hanging chain block (5), and the step (c) is repeated until the bolt (8) is disassembled or fastened;
(d) and (c) repeating the steps (a) to (c), and detaching or fastening all the oversized connecting bolts (8) in the high-pressure container (9).
2. The method for disassembling and assembling the oversized connecting bolt of the high-pressure container according to claim 1, characterized in that: the number of the handles (602) is 2, and the handles are respectively welded on two sides of the upper surface of the hammer body (603).
3. The method for disassembling and assembling the oversized connecting bolt of the high-pressure container according to claim 2, characterized in that: the handle (602) is a U-shaped handle.
4. The method for disassembling and assembling the oversized connecting bolt of the high-pressure container according to claim 3, characterized in that: the number of the balancing weights (606) is three, one balancing weight (606) is fixed in the dovetail groove through a hexagon bolt (607), and the other two balancing weights (606) are fixed on the balancing weights (606) through the hexagon bolt (607) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122835.7A CN109807811B (en) | 2019-02-18 | 2019-02-18 | Method for disassembling and assembling oversized connecting bolt of high-pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910122835.7A CN109807811B (en) | 2019-02-18 | 2019-02-18 | Method for disassembling and assembling oversized connecting bolt of high-pressure container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807811A CN109807811A (en) | 2019-05-28 |
| CN109807811B true CN109807811B (en) | 2020-12-04 |
Family
ID=66606807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910122835.7A Active CN109807811B (en) | 2019-02-18 | 2019-02-18 | Method for disassembling and assembling oversized connecting bolt of high-pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109807811B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09155656A (en) * | 1995-12-08 | 1997-06-17 | Toshiba Corp | Nut rotating device and assembly method |
| CN201645419U (en) * | 2010-03-12 | 2010-11-24 | 安徽昊源化工集团有限公司 | Flange dismounting and installing tool for large-diameter high-pressure pipeline |
| CN203665458U (en) * | 2014-01-14 | 2014-06-25 | 毛怀军 | Oil and water well mouth flange bolt disassembly and assembly spanner dropping prevention device |
| CN203973473U (en) * | 2014-06-04 | 2014-12-03 | 中国石油化工股份有限公司 | The directed trip hammer of a kind of beam type oil pumping machine crank pin dismounting |
| CN208468233U (en) * | 2018-06-28 | 2019-02-05 | 江苏兰佛卡压缩机有限公司 | Screw host dismantles assembly platform |
-
2019
- 2019-02-18 CN CN201910122835.7A patent/CN109807811B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109807811A (en) | 2019-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109807811B (en) | Method for disassembling and assembling oversized connecting bolt of high-pressure container | |
| CN219562933U (en) | Pin shaft dismounting tool | |
| CN105127949B (en) | Hydraulic separation tool for flanges | |
| CN201565919U (en) | Flange splitting device | |
| US5375313A (en) | Device for the removal of a liner bolt from a sag mill | |
| CN210524964U (en) | Device for disassembling wedge block of mine locker | |
| CN214401452U (en) | A operation platform that is used for bridge bent cap staple bolt to install and dismantle | |
| CN220903192U (en) | Frock is dismantled to bulldozer compensating beam center pin axle | |
| CN212527518U (en) | Oil cylinder piston rod tool | |
| CN209919775U (en) | Disassembling tool for maintaining vibration exciter | |
| CN201442167U (en) | Special work automobile brake drum fast-disassembling device | |
| CN216886116U (en) | Tire dismounting device for engineering vehicle | |
| CN204954757U (en) | Flange hydraulic pressure separating instrument | |
| CN215516428U (en) | Lifting device for quick-wear part of impact crusher | |
| CN208147711U (en) | A kind of hydraulic cylinder round end cap tool specially for attaching and detaching | |
| CN210025142U (en) | Bolt assembly and disassembly tools in confined space | |
| CN110885000B (en) | Disassembling process of tyre crane | |
| CN220446343U (en) | Multifunctional dismounting hammer | |
| CN220056060U (en) | Movable turnover floor dismantling auxiliary tool | |
| CN212743963U (en) | Elastic positioning device for balance block of oil pumping unit | |
| CN218563617U (en) | Underground hydraulic upright column guide sleeve dismounting tool | |
| CN220452389U (en) | Frock is dismantled to LNG unloading arm front and back drive hydraulic cylinder | |
| CN204565582U (en) | Vehicle traction seat assembly and base plate packaging device | |
| CN210476797U (en) | Hammering bearing disassembling table | |
| CN215105635U (en) | Forklift chassis with convenient installation type axle beam |
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 |