CN113997048A - Pin shaft installation device suitable for small space and use method - Google Patents
Pin shaft installation device suitable for small space and use method Download PDFInfo
- Publication number
- CN113997048A CN113997048A CN202111384051.5A CN202111384051A CN113997048A CN 113997048 A CN113997048 A CN 113997048A CN 202111384051 A CN202111384051 A CN 202111384051A CN 113997048 A CN113997048 A CN 113997048A
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- pin shaft
- pin
- oil cylinder
- hydraulic
- hydraulic oil
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 title claims description 23
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 45
- 239000003921 oil Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The pin shaft mounting device comprises a pin shaft bracket arranged between a left lug plate and a right lug plate, a pin shaft is placed on the pin shaft bracket, a plurality of lug seat holes used for mounting a hydraulic oil cylinder are formed in the pin shaft bracket, a guide rod of the hydraulic oil cylinder is connected with a pin pulling bolt at the end part of the pin shaft, and the pin shaft mounting device further comprises a hanging chain used for hoisting the pin shaft. According to the pin shaft mounting device suitable for the small space and the using method, the hydraulic cylinder lever is connected with the pin pulling bolt at the end part of the pin shaft, the cylinder body end of the hydraulic cylinder is connected with the support, when the guide rod of the hydraulic cylinder extends out, the thrust is transmitted to the pin pulling bolt, the pin pulling bolt pushes the pin shaft, the friction force between the lug seat hole and the pin shaft is overcome, the pin shaft is mounted, and the difficult problems of mounting and dismounting the pin shaft in the small space and under the large thrust are solved by utilizing a hydraulic principle.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a pin shaft mounting device suitable for a small space and a use method.
Background
The pin shaft connection is a common connection mode in mechanical equipment, and has the advantages of simple structure, convenience in installation and disassembly, convenience in equipment maintenance and the like. For example, when the tower crane is installed, the mark section is connected with the mark section, the crane boom is connected with the crane boom through the pin shaft, the pin shaft connection at the parts is not limited by space, and the pin shaft connection advantage is obvious. However, the pin connection is limited by space, and the traditional installation mode cannot meet the requirement of the installation and the disassembly of the pin. For example, the copper bar or the copper hammer is used for hammering the end part of the pin shaft to install and detach the pin shaft, or the press machine is used for installing and detaching the pin shaft, and the like. A novel mounting and dismounting mode is provided for mounting and dismounting the pin shaft in a small space, and the problem that the pin shaft needs to be mounted and dismounted in the small space by large thrust is solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pin shaft mounting device which is simple in structure, good in effect and suitable for small space and a using method thereof.
The invention is realized by the following technical scheme: the pin shaft mounting device suitable for the small space comprises a pin shaft bracket arranged between a left lug plate and a right lug plate, wherein a pin shaft is placed on the pin shaft bracket, a plurality of lug seat holes used for mounting a hydraulic oil cylinder are formed in the pin shaft bracket, a guide rod of the hydraulic oil cylinder is connected with a pin pulling bolt at the end part of the pin shaft, and the pin shaft mounting device further comprises a hanging chain used for hoisting the pin shaft.
It further comprises the following steps: the pin shaft bracket is welded with the left lug plate and the right lug plate.
The pin shaft bracket comprises a supporting plate and side plates, and the supporting plate and the side plates on the two sides form a U-shaped groove.
The side plate is horizontally provided with a plurality of lug holes.
And a left end pin shaft and a right end pin shaft are respectively arranged at positions, close to the left ear plate and the right ear plate, on the pin shaft bracket.
The hydraulic oil cylinder is connected with the lug seat hole through an oil cylinder pin shaft.
A method of using a pin shaft installation apparatus adapted for use in small spaces, comprising the steps of:
s1, placing the left end pin shaft and the right end pin shaft on the pin shaft bracket, and integrally hoisting the left end pin shaft and the right end pin shaft to a specified position along with the left lug plate, the right lug plate and the pin shaft bracket;
s2, hoisting the right end pin shaft to a certain height by using a hoisting chain, vacating an installation space for installing the left end pin shaft, installing a hydraulic oil cylinder, connecting the left end of the hydraulic oil cylinder with a pin pulling bolt, and connecting the right end of the hydraulic oil cylinder with the rightmost lug seat hole through the oil cylinder pin shaft;
s3, starting a hydraulic system, pushing a hydraulic oil cylinder guide rod to extend out, and pushing a left end pin to move left axially;
s4, stopping the operation of the hydraulic system when the hydraulic cylinder guide rod extends for a certain length, retracting the extended hydraulic cylinder guide rod, and detaching the hydraulic cylinder;
s5, moving the mounting position of the hydraulic oil cylinder to the second lug seat hole on the right side, starting the hydraulic system, pushing the guide rod of the hydraulic oil cylinder to extend out, and pushing the pin shaft to move leftwards;
and S6, repeating the steps S3-S5 until the left end pin shaft is installed in place, stopping the work of the hydraulic system, and dismantling the hydraulic oil cylinder 10.
The installation steps of the right-end pin shaft are the same as those of the left-end pin shaft.
The dismounting process of the left end pin shaft and the right end pin shaft is opposite to the mounting process.
The invention has the following advantages: according to the pin shaft mounting device suitable for the small space and the using method, the hydraulic cylinder lever is connected with the pin pulling bolt at the end part of the pin shaft, the cylinder body end of the hydraulic cylinder is connected with the support, when the guide rod of the hydraulic cylinder extends out, the thrust is transmitted to the pin pulling bolt, the pin pulling bolt pushes the pin shaft, the friction force between the lug seat hole and the pin shaft is overcome, the pin shaft is mounted, and the difficult problems of mounting and dismounting the pin shaft in the small space and under the large thrust are solved by utilizing a hydraulic principle.
Drawings
FIG. 1 is a schematic view of a pin shaft with a pull bolt of the present invention;
FIG. 2 is a schematic view of the pin mounting arrangement of the present invention;
FIG. 3 is a flow chart of a pin installation method of the present invention;
in the figure: 1. the lifting device comprises a pin shaft, 2, a pin pulling bolt, 3, a left lug plate, 4, a pin shaft bracket, 5, a lug seat hole, 6, a right lug plate, 7, a left end pin shaft, 8, a right end pin shaft, 9, a lifting chain, 10, a hydraulic oil cylinder, 11, an oil cylinder pin shaft, 41, a supporting plate, 42 and a side plate.
Detailed Description
The pin shaft mounting device suitable for the small space as shown in fig. 1 to 3 comprises a pin shaft bracket 4 arranged between a left lug plate 3 and a right lug plate 6, a pin shaft 1 is placed on the pin shaft bracket 4, a plurality of lug seat holes 5 used for mounting a hydraulic oil cylinder 10 are arranged on the pin shaft bracket 4, a guide rod of the hydraulic oil cylinder 10 is connected with a pin pulling bolt 2 at the end part of the pin shaft 1, and the pin shaft mounting device further comprises a hanging chain 9 used for hanging the pin shaft 1. The pin shaft bracket 4 is welded with the left lug plate 3 and the right lug plate 6. And a left end pin shaft 7 and a right end pin shaft 8 are respectively arranged at the positions, close to the left lug plate 3 and the right lug plate 6, on the pin shaft bracket 4. The hydraulic oil cylinder 10 is connected with the lug seat hole 5 through an oil cylinder pin shaft 11. The pin shaft mounting device suitable for small space is characterized in that a pin shaft bracket is welded between a left lug plate and a right lug plate, the pin shaft bracket is used for placing a pin shaft to be mounted, a left end pin shaft and a right end pin shaft are respectively placed at positions close to the left lug plate and the right lug plate, during mounting, the pin shaft is pushed by a guide rod of a hydraulic oil cylinder to be mounted, the hydraulic oil cylinder is mounted on the hydraulic oil cylinder, the guide rod end of the hydraulic oil cylinder is connected with a pin pulling bolt of the pin shaft, the other end of the hydraulic oil cylinder is connected with the pin shaft bracket, and due to the influence of the mounting position and the length of the guide rod of the hydraulic oil cylinder, the mounting position of the hydraulic oil cylinder can be mounted only by changing, and therefore, a plurality of lug seat holes are formed in the pin shaft bracket and used for adjusting the position of the hydraulic oil cylinder; still include the lifting chain, considering that the space between the left and right ear board is limited, when the round pin axle bracket is all put to left end round pin axle and right-hand member round pin axle, the round pin axle bracket just does not have the position to place hydraulic cylinder, consequently hangs one of them round pin axle through the lifting chain, provides arrangement space for hydraulic cylinder, convenient operation.
As shown in fig. 1 to 3, the pin shaft bracket 4 includes a supporting plate 41 and side plates 42, and the supporting plate 41 and the side plates 42 on both sides form a U-shaped groove. A plurality of ear seat holes 5 are horizontally arranged on the side plate 42. The pin shaft bracket is a U-shaped groove and consists of a supporting plate and side plates on two sides, the pin shaft is placed in the U-shaped groove, the pin shaft is prevented from sliding in the moving process, the use safety is improved, and the plurality of lug seat holes are horizontally arranged on the side plates, so that a hydraulic oil cylinder is convenient to install.
A method of using a pin shaft installation apparatus adapted for use in small spaces, comprising the steps of:
the first step is as follows: placing a left end pin shaft 7 and a right end pin shaft 8 on a pin shaft bracket 4, and integrally hoisting the pin shafts to a specified position along with the bracket;
the second step is that: hoisting the right-end pin shaft 8 to a certain height by using a hoisting chain 9, vacating an installation space for installing the left-end pin shaft 8, installing a hydraulic oil cylinder 10, connecting the left end of the hydraulic oil cylinder 10 with a pin pulling bolt, and connecting the right end with the pin shaft bracket 4 through an oil cylinder pin shaft 11, as shown in the third step in fig. 3;
the third step: starting a hydraulic system, pushing a guide rod of the hydraulic oil cylinder to extend out, pushing the pin shaft to move leftwards, and moving to a third position shown in fig. 3;
the fourth step: stopping the operation of the hydraulic system, removing the hydraulic cylinder 10, withdrawing the extended hydraulic cylinder guide rod, and installing the hydraulic cylinder at the fourth step position shown in fig. 3;
the fifth step: starting a hydraulic system, pushing a guide rod of the hydraulic oil cylinder to extend out, pushing the pin shaft to move leftwards, and moving to a fifth position shown in fig. 3;
the sixth step: stopping the operation of the hydraulic system, removing the hydraulic cylinder 10, withdrawing the extended hydraulic cylinder guide rod, and installing the hydraulic cylinder at the sixth step position shown in fig. 3;
the seventh step: and starting the hydraulic system, pushing the guide rod of the hydraulic oil cylinder to extend out, pushing the pin shaft to move leftwards, moving to a fifth position shown in figure 3, installing the pin shaft 7 at the left end in place, stopping the hydraulic system, and dismantling the hydraulic oil cylinder 10.
The installation of the right end pin shaft 8 is the same as that of the left end pin shaft, the dismounting process of the left end pin shaft 7 and the right end pin shaft 8 is just opposite to the installation process of the pin shafts, and the hydraulic oil cylinder withdraws the guide rod of the hydraulic oil cylinder when the pin shafts are pulled out of the lug holes.
The invention relates to a pin shaft installation device suitable for a small space and a use method thereof.A set of hydraulic system is used, a guide rod of a hydraulic oil cylinder of an actuating mechanism in the system is connected with a pin pulling bolt at the end part of a pin shaft, the cylinder body end of the hydraulic oil cylinder is connected with a bracket, when the guide rod of the hydraulic oil cylinder extends out, the thrust is transmitted to the pin pulling bolt, the pin pulling bolt pushes the pin shaft, and the pin shaft installation is carried out by overcoming the friction force between a pin shaft hole and the pin shaft. Due to the limitation of the installation space, the length of the hydraulic guide rod is limited, the pin shaft cannot be installed in place at one time, and the position of the hydraulic cylinder needs to be adjusted to push the pin shaft to be installed for a plurality of times until the pin shaft is installed in place. Disassembling the pin shaft: the process of dismantlement is opposite with the installation, and the in-process of dismantling is that the hydraulic lever withdraws, finally extracts the round pin axle, has solved and has required the problem that big thrust installs and dismantle the round pin axle in little space, has simple structure, and the installation is convenient with the dismantlement, the maintenance of the equipment of being convenient for etc. advantage.
Claims (9)
1. The utility model provides a round pin axle installation device suitable for little space which characterized in that: the hydraulic hinge pin is characterized by comprising a pin shaft bracket (4) arranged between a left lug plate (3) and a right lug plate (6), a pin shaft (1) is placed on the pin shaft bracket (4), a plurality of lug seat holes (5) used for installing a hydraulic oil cylinder (10) are formed in the pin shaft bracket (4), a guide rod of the hydraulic oil cylinder (10) is connected with a pin pulling bolt (2) at the end part of the pin shaft (1), and the hydraulic hinge pin further comprises a hanging chain (9) used for hoisting the pin shaft (1).
2. The pin mounting apparatus for small space as claimed in claim 1, wherein: the pin shaft bracket (4) is welded with the left ear plate (3) and the right ear plate (6).
3. The pin mounting apparatus for small space as claimed in claim 1, wherein: the pin shaft bracket (4) comprises a supporting plate (41) and side plates (42), and the supporting plate (41) and the side plates (42) on two sides form a U-shaped groove.
4. A pin mounting apparatus adapted for use in small spaces as defined in claim 3, wherein: the side plate (42) is horizontally provided with a plurality of lug holes (5).
5. The pin mounting apparatus for small space as claimed in claim 1, wherein: and a left end pin shaft (7) and a right end pin shaft (8) are respectively placed at positions, close to the left ear plate (3) and the right ear plate (6), on the pin shaft bracket (4).
6. The pin mounting apparatus for small space as claimed in claim 1, wherein: the hydraulic oil cylinder (10) is connected with the lug seat hole (5) through an oil cylinder pin shaft (11).
7. A method of using the pin mounting apparatus for small spaces according to claim 1, wherein: the method comprises the following steps:
s1, placing the left end pin shaft (7) and the right end pin shaft (8) on the pin shaft bracket (4), and integrally hoisting the left end pin shaft and the right end pin shaft to a specified position along with the left lug plate (3), the right lug plate (6) and the pin shaft bracket (4);
s2, hoisting the right-end pin shaft (8) to a certain height by using a hoisting chain (9), vacating an installation space for installing the left-end pin shaft (7), installing a hydraulic oil cylinder (10), connecting the left end of the hydraulic oil cylinder (10) with a pin pulling bolt, and connecting the right end with the rightmost lug seat hole (5) through an oil cylinder pin shaft (11);
s3, starting a hydraulic system, pushing a hydraulic oil cylinder guide rod to extend out, and pushing a left end pin shaft (7) to move leftwards;
s4, stopping the operation of the hydraulic system when the hydraulic cylinder guide rod extends for a certain length, retracting the extended hydraulic cylinder guide rod, and detaching the hydraulic cylinder (10);
s5, moving the installation position of the hydraulic oil cylinder (10) to the second lug seat hole (5) on the right side, starting a hydraulic system, pushing a guide rod of the hydraulic oil cylinder to extend out, and pushing a pin shaft to move leftwards;
and S6, repeating the steps S3-S5 until the left end pin shaft (7) is installed in place, stopping the work of the hydraulic system, and dismantling the hydraulic oil cylinder 10.
8. The use method of the pin shaft installation device suitable for small space according to claim 7, characterized in that: the installation steps of the right end pin shaft (8) are the same as those of the left end pin shaft (7).
9. The use method of the pin shaft installation device suitable for small space according to claim 7, characterized in that: the dismounting process of the left end pin shaft (7) and the right end pin shaft (8) is opposite to the mounting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384051.5A CN113997048A (en) | 2021-11-19 | 2021-11-19 | Pin shaft installation device suitable for small space and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384051.5A CN113997048A (en) | 2021-11-19 | 2021-11-19 | Pin shaft installation device suitable for small space and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113997048A true CN113997048A (en) | 2022-02-01 |
Family
ID=79929792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111384051.5A Pending CN113997048A (en) | 2021-11-19 | 2021-11-19 | Pin shaft installation device suitable for small space and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113997048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837430A (en) * | 2022-04-30 | 2022-08-02 | 上海宝冶集团有限公司 | Method for installing large-scale steel structure limited space pin shaft |
| CN115781246A (en) * | 2022-11-08 | 2023-03-14 | 山东科技大学 | Pin shaft dismounting device and application and working method thereof in hydraulic support quick intelligent mounting system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240426U (en) * | 2011-10-08 | 2012-05-30 | 中联重科股份有限公司 | Pin inserting and pulling mechanism |
| CN202367417U (en) * | 2011-10-31 | 2012-08-08 | 中国神华能源股份有限公司 | Multi-pass pin puller for pin shaft of bracket |
| CN203045279U (en) * | 2012-12-11 | 2013-07-10 | 北汽福田汽车股份有限公司 | Pin penetrating device |
| CN203566206U (en) * | 2013-11-29 | 2014-04-30 | 中联重科股份有限公司 | Engineering machinery and pin inserting and pulling device thereof |
| CN212683043U (en) * | 2020-07-30 | 2021-03-12 | 浙江三一装备有限公司 | Pin inserting and pulling device and engineering machinery |
| CN213144925U (en) * | 2020-07-15 | 2021-05-07 | 山东丰汇设备技术有限公司 | Novel hydraulic plug pin support |
-
2021
- 2021-11-19 CN CN202111384051.5A patent/CN113997048A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202240426U (en) * | 2011-10-08 | 2012-05-30 | 中联重科股份有限公司 | Pin inserting and pulling mechanism |
| CN202367417U (en) * | 2011-10-31 | 2012-08-08 | 中国神华能源股份有限公司 | Multi-pass pin puller for pin shaft of bracket |
| CN203045279U (en) * | 2012-12-11 | 2013-07-10 | 北汽福田汽车股份有限公司 | Pin penetrating device |
| CN203566206U (en) * | 2013-11-29 | 2014-04-30 | 中联重科股份有限公司 | Engineering machinery and pin inserting and pulling device thereof |
| CN213144925U (en) * | 2020-07-15 | 2021-05-07 | 山东丰汇设备技术有限公司 | Novel hydraulic plug pin support |
| CN212683043U (en) * | 2020-07-30 | 2021-03-12 | 浙江三一装备有限公司 | Pin inserting and pulling device and engineering machinery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837430A (en) * | 2022-04-30 | 2022-08-02 | 上海宝冶集团有限公司 | Method for installing large-scale steel structure limited space pin shaft |
| CN114837430B (en) * | 2022-04-30 | 2023-12-15 | 上海宝冶集团有限公司 | Installation method of large-scale steel structure limited space pin shaft |
| CN115781246A (en) * | 2022-11-08 | 2023-03-14 | 山东科技大学 | Pin shaft dismounting device and application and working method thereof in hydraulic support quick intelligent mounting system |
| CN115781246B (en) * | 2022-11-08 | 2024-03-19 | 山东科技大学 | Pin shaft dismounting device and application and working method thereof in hydraulic support rapid intelligent mounting system |
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