CN114161357A - Special tool for opening pin - Google Patents

Special tool for opening pin Download PDF

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Publication number
CN114161357A
CN114161357A CN202111160336.0A CN202111160336A CN114161357A CN 114161357 A CN114161357 A CN 114161357A CN 202111160336 A CN202111160336 A CN 202111160336A CN 114161357 A CN114161357 A CN 114161357A
Authority
CN
China
Prior art keywords
pin
opening
sleeve
feeding
positioning column
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.)
Pending
Application number
CN202111160336.0A
Other languages
Chinese (zh)
Inventor
王晓宁
孙明星
于学超
郑玉浩
任宗基
张佳
戈灏
唐立刚
来永鑫
刘大伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202111160336.0A priority Critical patent/CN114161357A/en
Publication of CN114161357A publication Critical patent/CN114161357A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for

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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 invention relates to a special tool for opening a pin, belonging to the technical field of transmission line towers; including one end open-ended sleeve, a sleeve middle part intercommunication round pin section of thick bamboo: a positioning column is arranged in the sleeve, and the first end of the positioning column is connected with the bottom of the sleeve through a pin pushing spring; the top surface of the middle part of the sleeve is provided with a sliding groove, the top surface of the positioning column is provided with an operating rod, and the operating rod can slide in the sliding groove; a bottom plate is arranged at the bottom of the pin barrel, a feeding spring is arranged on the bottom plate, a feeding plate is arranged above the feeding spring, and the feeding plate is used for placing pins; an opening plate is arranged on the bottom surface of the opening end of the sleeve, an opening groove is formed between the opening plate and the sleeve, and the opening groove is used for bending the long legs of the plug-in pin to one side to complete opening. The invention realizes easy installation and opening of the pin on the tower grooved nut, and the opening angle is standard, thereby meeting the opening requirement.

Description

Special tool for opening pin
Technical Field
The invention relates to a special tool for opening a pin, and belongs to the technical field of transmission line towers.
Background
The common material of the pin is 35 or 45 steel, the most concentrated problem of defects before the existing tower bolt pin is missing and inserted into a non-opening is the problem before the line is accepted and put into operation, and the method is specified according to 8.6.8 in GB50233-2014 110kV-750kV overhead transmission line construction and acceptance specification: when the split pin is adopted, the split pin is symmetrical to be split, and the split angle is not more than 60 degrees.
However, the current common method is that when a worker checks, the worker often needs to carry pliers to complement the pin, the pliers are used for inserting the pin into the pin hole of the nut, the opening method is manual opening, and one of the feet is broken off by wire pliers. The installation is troublesome and laborious, and the opening is neither standard nor accurate.
Disclosure of Invention
The invention provides a special tool for opening a pin, which realizes easy installation and opening of the pin on a tower grooved nut, and the opening angle is standard, so that the opening requirement is met.
The special tool for opening the pin comprises a sleeve with an opening at one end, wherein the middle part of the sleeve is communicated with a pin barrel:
a positioning column is arranged in the sleeve, and the first end of the positioning column is connected with the bottom of the sleeve through a pin pushing spring; the top surface of the middle part of the sleeve is provided with a sliding groove, the top surface of the positioning column is provided with an operating rod, and the operating rod can slide in the sliding groove;
a bottom plate is arranged at the bottom of the pin barrel, a feeding spring is arranged on the bottom plate, a feeding plate is arranged above the feeding spring, and the feeding plate is used for placing pins;
an opening plate is arranged on the bottom surface of the opening end of the sleeve, an opening groove is formed between the opening plate and the sleeve, and the opening groove is used for bending the long legs of the plug-in pin to one side to complete opening.
Working process or working principle:
the pin is put into the pin barrel, the hand-held operating rod pulls the pin backwards to push the spring, the pin moves upwards from the pin barrel to enter the sleeve, the operating rod is pushed to move forwards, the spring is pushed to reason by means of the pin, the pin is pushed into a pin hole of the nut, and pin installation is completed.
The sleeve is reversed, the opening plate is correspondingly placed between the long pin leg and the short pin leg, the long pin leg corresponds to the opening groove, the opening plate is pushed forwards, the long pin leg is inserted into the opening groove, the long pin leg is opened outwards to reach the required angle, the sleeve is longer, the lever principle is utilized, too large operating force is not needed, the operation is simple, and the opening angle of the long pin leg is well controlled. And then inserting the short legs of the pins into the grooves of the openings, and breaking the short legs at required angles in opposite directions to finish the opening of the pins.
And a second end of the positioning column is provided with a limiting groove, and the limiting groove is arranged corresponding to the pin head part. Spacing recess can be adapted to with round pin fin portion, promotes the reference column through the action bars, when driving the pin and pushing the nut pinhole, can ensure that the pin location is accurate, inserts the nut pinhole smoothly, avoids the pin to block in the sleeve.
The length of the positioning column is larger than that of the pin barrel feeding port. When ensuring to push in the pin to the nut pinhole through the reference column, the reference column can cover the material loading mouth, avoids new pin to get into the sleeve and leads to blocking, unable normal work.
The operating rod is arranged close to the second end of the positioning column.
One end of the sliding groove close to the opening of the sleeve is an ejection position, and the other end of the sliding groove is a feeding position; the operating rod is positioned at the ejection position, the positioning column at least crosses half of a feeding hole of the pin barrel, and the second end of the positioning column is basically flush with the open end of the sleeve; the operating rod is located the material loading position, and the material loading mouth of pin section of thick bamboo exposes completely.
In the initial state, the operating rod is located at the injection position. The special tool for opening the pin is not used, and the operating rod is also positioned at the ejection position.
The pin barrel is obliquely arranged. The pin can enter the sleeve conveniently.
The pin barrel and one side of the opening end of the sleeve form an included angle larger than 90 degrees. The pin feeding direction is consistent with the pushing direction of the positioning column.
The pin barrel is characterized in that the inner cavity of the pin barrel is arranged in a manner of adapting to the pins, and the pins are horizontally stacked or laterally stacked.
The pin head is arranged towards the bottom of the sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the sleeve and the pin barrel which are matched with each other are arranged, the positioning column and the sliding groove are arranged, so that automatic feeding of the pin in the pin barrel is realized, the positioning column is pushed by the operating rod to push the pin into the pin hole of the nut, the operation is simple, and the pin on the nut with the groove of the tower is easily installed; through the opening plate and the opening groove, the pin opening is easily realized, the opening angle is standard, and the opening requirement can be met.
2. Through setting up spacing recess, in the spacing recess of reference column can be put into to the head of pin, the reference column removes the in-process, and the pin can be fixed a position well, avoids the pin to block, ensures that the pin pushes the nut pinhole smoothly in.
Drawings
FIG. 1: embodiment 1 of the present invention is a schematic structural view of a state where a pin is ejected,
FIG. 2: embodiment 1 of the invention is a structural schematic diagram of a non-operating state,
FIG. 3: example 1 of the invention a schematic representation of the structure of a pin entering a ready-to-eject state of a sleeve,
FIG. 4: the structure of the pin barrel in the horizontal stacking state is schematically shown in embodiment 2 of the invention.
In the figure: 1. a sleeve; 2. an operating lever; 3. a sliding groove; 4. a positioning column; 5. the pin pushes the spring; 6. an opening plate; 7. a limiting groove; 8. opening the groove;
11. a pin barrel; 12. a feeding spring; 13. feeding plates; 14. a pin; 15. a feeding port; 16. a base plate;
31. an ejection position; 32. and (4) loading the materials.
Detailed Description
Example 1
As shown in fig. 1 to 3, the special tool for opening a pin according to the present invention includes a sleeve 1 with an opening at one end, the middle of the sleeve 1 is communicated with a pin barrel 11:
a positioning column 4 is arranged in the sleeve 1, and the first end of the positioning column 4 is connected with the bottom of the sleeve 1 through a pin pushing spring 5; the top surface of the middle part of the sleeve 1 is provided with a sliding groove 3, the top surface of the positioning column 4 is provided with an operating rod 2, and the operating rod 2 can slide in the sliding groove 3;
a bottom plate 16 is arranged at the bottom of the pin barrel 11, a feeding spring 12 is arranged on the bottom plate 16, a feeding plate 13 is arranged above the feeding spring 12, and the feeding plate 13 is used for placing pins 14;
an opening plate 6 is arranged on the bottom surface of the opening end of the sleeve 1, an opening groove 8 is formed between the opening plate 6 and the sleeve 1, and the opening groove 8 is used for enabling the long leg of the plug-in pin 14 to be bent to one side to complete opening.
Wherein:
the pin is usually formed by bending a metal bar, and has a long leg and a short leg, and the head is arc-shaped. After the pin is inserted into the pin hole of the nut, the nut can be effectively prevented from falling off.
The bottom plate is clamped with the pin barrel 11 through a clamping groove.
And a second end of the positioning column 4 is provided with a limiting groove 7, and the limiting groove 7 is arranged corresponding to the head of the pin 14.
The length of the positioning column 4 is larger than that of the feeding hole 15 of the pin barrel 11.
The operating lever 2 is arranged close to the second end of the positioning post 4.
One end of the sliding groove 3 close to the opening of the sleeve 1 is an injection position 31, and the other end of the sliding groove 3 is a feeding position 32; the operating rod 2 is located at the injection position 31, the positioning column 4 at least crosses a half of the feeding hole 15 of the pin barrel 11, the second end of the positioning column 4 is basically flush with the opening end of the sleeve 1, generally, the end face of the positioning column does not exceed the end face of the sleeve, and the distance between the end face of the second end of the positioning column and the end face of the sleeve can be 0-10 mm; the operating lever 2 is in the loading position 32 and the loading opening 15 of the pin cartridge 11 is completely exposed.
The operating rod is pulled backwards, when the operating rod is located a loading position, the loading spring pushes the loading plate to move upwards, the pin at the top is pushed into the sleeve, the acting force of the pulling operating rod is loosened, the pin pushes the spring to push the positioning column to move forwards, the pin head part enters the limiting groove, the positioning column limits the pin, the pushing operating rod continues to move forwards until the operating rod reaches the ejection position, and the positioning column pushes the pin into the nut pin hole to complete pin installation.
The hand is released, and the operating rod stays at the ejection position. The reference column covers the material loading mouth, avoids the pin to get into the sleeve from the pin section of thick bamboo.
In the initial state, the operating lever 2 is located at the ejection position 31.
The pin barrel 11 is arranged obliquely. The pin barrel 11 and one side of the opening end of the sleeve 1 form an included angle larger than 90 degrees.
The pin barrel 11 has an inner cavity corresponding to the pins 14, and the pins 14 can be stacked.
The head of the pin 14 is arranged towards the bottom of the sleeve 1.
Example 2
As shown in fig. 4, the pin opening tool can be used to horizontally stack the pins 14. The rest is the same as example 1.
Working process or working principle:
installing pins: and opening the bottom plate, putting in the pin, and clamping into the bottom plate. Hand-held operating lever stimulates the pin backward and promotes the spring, and when the operating lever was located the material loading level, the flitch shifts up in the material loading spring promoted, and the pin of the top is pushed in the sleeve, loosens the effort of pulling the operating lever, and the pin promotes the spring and promotes the reference column antedisplacement, and the pin head gets into spacing recess, and the reference column is spacing to the pin, promotes the operating lever and continues the antedisplacement, and it jets out the position to reach the operating lever, and the reference column pushes the pin in nut pinhole hole, accomplishes the pin installation.
Opening the pin: the sleeve is reversed, the opening plate is correspondingly placed between the long pin leg and the short pin leg, the long pin leg corresponds to the opening groove, the opening plate is pushed forwards, the long pin leg is inserted into the opening groove, the long pin leg is opened outwards to reach the required angle, the sleeve is longer, the lever principle is utilized, too large operating force is not needed, the operation is simple, and the opening angle of the long pin leg is well controlled. And then inserting the short legs of the pins into the grooves of the openings, and breaking the short legs at required angles in opposite directions to finish the opening of the pins.
The description of the directions and the relative position relationship of the structures in the present invention, such as the description of the front, the back, the left, the right, the upper and the lower, does not limit the present invention, and is only for the convenience of description.

Claims (10)

1. The special tool for opening the pin is characterized by comprising a sleeve (1) with an opening at one end, wherein the middle part of the sleeve (1) is communicated with a pin barrel (11):
a positioning column (4) is arranged in the sleeve (1), and the first end of the positioning column (4) is connected with the bottom of the sleeve (1) through a pin pushing spring (5); the top surface of the middle part of the sleeve (1) is provided with a sliding groove (3), the top surface of the positioning column (4) is provided with an operating rod (2), and the operating rod (2) can slide in the sliding groove (3);
a bottom plate (16) is arranged at the bottom of the pin barrel (11), a feeding spring (12) is arranged on the bottom plate (16), a feeding plate (13) is arranged above the feeding spring (12), and pins (14) are placed on the feeding plate (13);
an opening plate (6) is arranged on the bottom surface of the opening end of the sleeve (1), an opening groove (8) is arranged between the opening plate (6) and the sleeve (1), and the opening groove (8) is used for bending the long leg of the plug-in pin (14) to one side to complete opening.
2. The special tool for opening the pin according to claim 1, wherein a second end of the positioning column (4) is provided with a limiting groove (7), and the limiting groove (7) is arranged corresponding to the head of the pin (14).
3. Special tool for pin opening according to claim 2, characterized in that the length of the positioning post (4) is longer than the feeding opening (15) of the pin cartridge (11).
4. Special tool for pin opening according to claim 3, characterized in that the operating lever (2) is arranged close to the second end of the positioning post (4).
5. The special pin opening tool according to any one of claims 1 to 4, wherein one end of the sliding groove (3) close to the opening of the sleeve (1) is an ejection position (31), and the other end of the sliding groove (3) is a loading position (32); the operating rod (2) is positioned at the injection position (31), the positioning column (4) at least crosses half of the feeding hole (15) of the pin barrel (11), and the second end of the positioning column (4) is basically flush with the open end of the sleeve (1); the operating rod (2) is positioned at a feeding position (32), and a feeding opening (15) of the pin barrel (11) is completely exposed.
6. Tool for the specific opening of pins according to claim 5, characterized in that, in the initial state, the operating lever (2) is in the ejection position (31).
7. Special pin opening tool according to any of claims 1-5, characterized in that the pin cartridge (11) is arranged obliquely.
8. Special pin opening tool according to claim 7, characterized in that the pin barrel (11) is angled more than 90 ° to the side of the open end of the sleeve (1).
9. The special tool for opening the pin according to claim 8, wherein the inner cavity of the pin barrel (11) is arranged corresponding to the pin (14), and the pins (14) are horizontally stacked or laterally stacked.
10. Special tool for pin opening according to claim 9, characterized in that the pin (14) head is arranged towards the bottom of the sleeve (1).
CN202111160336.0A 2021-09-30 2021-09-30 Special tool for opening pin Pending CN114161357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111160336.0A CN114161357A (en) 2021-09-30 2021-09-30 Special tool for opening pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111160336.0A CN114161357A (en) 2021-09-30 2021-09-30 Special tool for opening pin

Publications (1)

Publication Number Publication Date
CN114161357A true CN114161357A (en) 2022-03-11

Family

ID=80476835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111160336.0A Pending CN114161357A (en) 2021-09-30 2021-09-30 Special tool for opening pin

Country Status (1)

Country Link
CN (1) CN114161357A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO970459A0 (en) * 1997-07-28 1997-07-28 Ober Utensili Pneumatici IMPROVED PNEUMOHYDRAULIC RIVETER GUN.
CN1406720A (en) * 2001-08-10 2003-04-02 伊利诺斯器械工程公司 Telescopic supporter for driving tool of fastening component
CN102931611A (en) * 2012-10-19 2013-02-13 沧州供电公司 Tool of replenishing cotter pin in transmission line in electrifying manner
CN103283510A (en) * 2013-06-13 2013-09-11 江苏农林职业技术学院 Gun-shaped fruit thinning scissors
CN205141520U (en) * 2015-11-13 2016-04-06 国网新疆电力公司阿勒泰供电公司 Split pin remounting specialized tool
CN107984190A (en) * 2017-12-31 2018-05-04 戚天儿 A kind of safe positioning pin installation equipment
CN208946080U (en) * 2018-07-06 2019-06-07 施圣勇 A kind of New jet nail device
CN209344638U (en) * 2019-03-11 2019-09-03 国网冀北电力有限公司唐山供电公司 A kind of electric transmission line hot-line adds opening pin specific purpose tool
CN213081296U (en) * 2020-09-14 2021-04-30 烟台大学 Device for realizing rapid assembly of R-shaped locking pin
CN213498939U (en) * 2020-11-12 2021-06-22 河北轨道运输职业技术学院 Quick hole aligning and split pin dismounting tool

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO970459A0 (en) * 1997-07-28 1997-07-28 Ober Utensili Pneumatici IMPROVED PNEUMOHYDRAULIC RIVETER GUN.
CN1406720A (en) * 2001-08-10 2003-04-02 伊利诺斯器械工程公司 Telescopic supporter for driving tool of fastening component
CN102931611A (en) * 2012-10-19 2013-02-13 沧州供电公司 Tool of replenishing cotter pin in transmission line in electrifying manner
CN103283510A (en) * 2013-06-13 2013-09-11 江苏农林职业技术学院 Gun-shaped fruit thinning scissors
CN205141520U (en) * 2015-11-13 2016-04-06 国网新疆电力公司阿勒泰供电公司 Split pin remounting specialized tool
CN107984190A (en) * 2017-12-31 2018-05-04 戚天儿 A kind of safe positioning pin installation equipment
CN208946080U (en) * 2018-07-06 2019-06-07 施圣勇 A kind of New jet nail device
CN209344638U (en) * 2019-03-11 2019-09-03 国网冀北电力有限公司唐山供电公司 A kind of electric transmission line hot-line adds opening pin specific purpose tool
CN213081296U (en) * 2020-09-14 2021-04-30 烟台大学 Device for realizing rapid assembly of R-shaped locking pin
CN213498939U (en) * 2020-11-12 2021-06-22 河北轨道运输职业技术学院 Quick hole aligning and split pin dismounting tool

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