CN203665445U - Pin pulling tool - Google Patents

Pin pulling tool Download PDF

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Publication number
CN203665445U
CN203665445U CN201420013566.3U CN201420013566U CN203665445U CN 203665445 U CN203665445 U CN 203665445U CN 201420013566 U CN201420013566 U CN 201420013566U CN 203665445 U CN203665445 U CN 203665445U
Authority
CN
China
Prior art keywords
pin
chamber
pulling tool
lever
guiding
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.)
Expired - Lifetime
Application number
CN201420013566.3U
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Chinese (zh)
Inventor
薛彦平
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.)
China Shenhua Energy Co Ltd
Shenhua Shendong Power Co Ltd
Dianta Power Generating Co of Shenhua Shendong Power Co Ltd
Original Assignee
China Shenhua Energy Co Ltd
Shenhua Shendong Power Co Ltd
Dianta Power Generating Co of Shenhua Shendong 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 China Shenhua Energy Co Ltd, Shenhua Shendong Power Co Ltd, Dianta Power Generating Co of Shenhua Shendong Power Co Ltd filed Critical China Shenhua Energy Co Ltd
Priority to CN201420013566.3U priority Critical patent/CN203665445U/en
Application granted granted Critical
Publication of CN203665445U publication Critical patent/CN203665445U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a pin pulling tool. The pin pulling tool comprises a supporting mechanism, an operation rod mechanism and a sliding mechanism which are all supported on the work face, the supporting mechanism is provided with a guide through cavity, the operation rod mechanism comprises levers (1) and connection rods (2), wherein the levers (1) and connection rods (2) can be connected to the supporting mechanism in a rotating mode, the two ends of the connection rods are respectively in rotating connection with the levers (1) and the sliding mechanism, the sliding mechanism can be contained in a guide through cavity in a sliding mode and is provided with a pin shaft connection structure connected with a pin shaft to be pulled, and the sliding mechanism can be pushed to move in the guide through cavity through the connection rods (2) by rotating the levers (1). By means of the technical scheme, the operation rod mechanism is utilized to push the sliding mechanism connected with the pin shaft to be pulled to move in the axial direction of the pin shaft according to the lever principle, so that the pin shaft to be pulled can be easily pulled out, time and labor are saved, and the pin shaft and the pin pulling tool are not easily damaged.

Description

A kind of pin pulling tool
Technical field
The utility model relates to a kind of extracting tool, particularly, relates to a kind of for dismantling the pin pulling tool of bearing pin.
Background technology
In the plant equipment maintenance disintegration process to bearing pin class is installed, dismounting alignment pin is one requisite operation.
Existingly be mainly crowbar, adjustable wrench etc. for the instrument of dismantling bearing pin.The bolt nut screwing in by bearing pin top is as fulcrum, and use crowbar etc. is firmly upturned to dismantle.The more problems occurring in the process that uses existing extracting tool to dismantle: due to unbalance stress, often cause bolt bending or fracture, bearing pin bending, alignment pin cannot take out; Because fulcrum is insecure, very easily throw off levering up crowbar and nut in process, operating personnel and equipment are damaged; Exist and the uneven component of bearing pin center line owing to levering up in process, this component again with fulcrum, lever up highly difference and alter a great deal, therefore flog a dead horse more, waste time and energy, inefficiency.
As can be seen here, use the instrument dismounting bearing pins such as crowbar, spanner often more time-consuming, difficult, often bearing pin and instrument are produced to damage, if bearing pin also needs bearing pin to repair or processing again after damaging, bring very burden to overhaul of the equipments work.
In view of this, need to provide a kind of can bearing pin for convenience detach and the pin shaft disassembling tool of not fragile bearing pin and instrument.
Utility model content
Problem to be solved in the utility model is to provide a kind of pin pulling tool, and this pin pulling tool can be dismantled bearing pin easily, and not fragile bearing pin and extracting tool.
In order to address the above problem, the utility model provides a kind of pin pulling tool, wherein, described pin pulling tool comprises for being supported on the supporting mechanism on working face, action bars mechanism and slide mechanism, described supporting mechanism is provided with guiding and connects chamber, described action bars mechanism comprises the lever and the connecting rod that are rotatably connected in described supporting mechanism, this connecting rod is rotatably connected with described slide mechanism with described lever respectively with two ends, described slide mechanism is contained in slidably described guiding and connects in chamber and have the pin shaft connection structure being connected with axle to be pulled pin, can promote described slide mechanism via described connecting rod and move in described guiding connects chamber by rotating described lever.
Preferably, described action bars mechanism comprises the paired described action bars mechanism that is positioned at described supporting mechanism both sides, and described in each lever and described in each plane of movement of connecting rod in same plane.
Preferably, described supporting mechanism comprises guide cylinder and support, forms described guiding and connect chamber to hold described slide mechanism in described guide cylinder, and described support and described guide cylinder are integrally formed or interconnect.
Preferably, one end of described lever is rotatably installed on described support, and one end of described connecting rod is rotatably installed between two ends of described lever.
According to an aspect of the present utility model, described slide mechanism comprises slide cartridge, described slide cartridge is mounted slidably in the guiding of described guide cylinder and connects in chamber, and the other end of described connecting rod is rotatably connected in the top of described slide cartridge, described pin shaft connection structure comprises that screw rod inserts chamber, screw rod and nut, described screw rod inserts chamber and is formed on described slide cartridge inside and coaxial with described guiding perforation chamber, described screw rod can insert chamber and can be connected with male thread to be pulled pin through described screw rod, described nut can coordinate with described screw flight and its external diameter is greater than described screw rod and inserts the internal diameter in chamber.
According to another aspect of the present utility model, described slide mechanism comprises slide cartridge, described slide cartridge is mounted slidably in the guiding of described guide cylinder and connects in chamber, and the other end of described connecting rod is rotatably connected in the top of described slide cartridge, described pin shaft connection structure comprises stay hook, this stay hook is connected in the bottom of described slide cartridge, and described stay hook can engage with axle to be pulled pin.
By technique scheme, according to lever principle, the slide mechanism that uses action bars mechanism urges to be connected with axle to be pulled pin moves up along the axis direction of bearing pin, thereby can easily extract axle to be pulled pin, time saving and energy saving and not fragile bearing pin and pin pulling tool.
Other feature and advantage of the present utility model are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is according to the structural representation of the pin pulling tool of a kind of specific embodiment of the present utility model.
Fig. 2 is according to the operation chart of the pin pulling tool of a kind of specific embodiment of the present utility model.
Fig. 3 is according to the structural representation of the pin pulling tool of the another kind of specific embodiment of the present utility model.
Description of reference numerals
1 lever 2 connecting rods
3 support 4 guide cylinders
5 slide cartridge 6 screw rods
7 nut 8 stay hooks
8 ' distortion stay hook, 9 bearing pin erection units
10 axles to be pulled pin
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use as " on " typically refer to the direction that the axis along bearing pin is extracted bearing pin in bearing pin erection unit, D score refer to " on " contrary direction.
As shown in Figure 1, the utility model provides a kind of pin pulling tool, wherein, described pin pulling tool comprises for being supported on the supporting mechanism on working face, action bars mechanism and slide mechanism, described supporting mechanism is provided with guiding and connects chamber, described action bars mechanism comprises the lever 1 and the connecting rod 2 that are rotatably connected in described supporting mechanism, this connecting rod is rotatably connected with described slide mechanism with described lever 1 respectively with two ends, described slide mechanism is contained in slidably described guiding and connects in chamber and have the pin shaft connection structure being connected with axle 10 to be pulled pin, can promote described slide mechanism via described connecting rod 2 and move in described guiding connects chamber by rotating described lever 1.
Mentality of designing of the present utility model is, by the parts that are connected with axle 10 to be pulled pin (being described slide mechanism) being applied along the axis of this bearing pin 10 pulling force upwards, extract axle 10 to be pulled pin with higher efficiency (not applying the insignificant component of other directions).
Particularly, described slide mechanism can be connected securely to this slide mechanism is applied to suitable upward force and can extract axle 10 to be pulled pin with axle 10 to be pulled pin, thereby solve the problem that uses the instrument application of force inconveniences such as crowbar, described slide mechanism will be described in detail below with the connected mode of axle 10 to be pulled pin, the guiding of described supporting mechanism connects that chamber can (column roughly herein represents for column roughly, the cross section perpendicular to its axis that this guiding connects chamber can be various shape, as circle, quadrangle, the even irregular shape of polygon), in the time that described supporting mechanism is supported on the installed surface of the axle 10 of pulling pin, described guiding connects the axis parallel with the axis of axle 10 to be pulled pin (coincidence) in chamber, therefore described slide mechanism can be contained in slidably described guiding and connect chamber with the axis slip along axle 10 to be pulled pin in the process of pulling pin, the movable distance of described slide mechanism in described guiding connects chamber should make axle 10 to be pulled pin to be pulled out, described action bars mechanism has adopted lever principle described slide mechanism is applied along the axis of axle 10 to be pulled pin power upwards, described supporting construction provides the strong point of the application of force for lever 1, connecting rod 2 is for being converted into the torque of lever 1 to described slide mechanism thrust upwards, wherein the distance between application point and the described strong point of user to lever 1 is power arm, distance between connecting rod 2 and lever 1 tie point and the described strong point is resistance arm, and this leverage is laborsaving lever.
According to a kind of specific embodiment of the present utility model, described action bars mechanism comprises the paired lever 1 and the connecting rod 2 that are positioned at described supporting mechanism both sides, and the plane of movement of each lever 1 and connecting rod 2 is in same plane.In the process of rotating lever 1 drivening rod 2, inevitably can produce the component that is not parallel to axle 10 axis to be pulled pin, these component can affect the stationarity of described supporting mechanism, and the power that is not parallel to axle 10 axis to be pulled pin being produced respectively by two groups of levers 1 and connecting rod 2 roughly can cancel each other out, improve the stability of described supporting mechanism, needn't adopt corresponding reinforcement measure, make operation easier.Preferably, described Liang Zu action bars mechanism can be symmetrical.
According to a kind of specific embodiment of the present utility model, described supporting mechanism comprises guide cylinder 4 and support 3, forms described guiding and connect chamber to hold described slide mechanism in guide cylinder 4, and support 3 is integrally formed or interconnects with guide cylinder 4.The two or more legs of support 3, support 3 can be integrally formed with guide cylinder 4, also can be by being welded to connect or connecting by fixture, the utility model is not limited to this.
According to a kind of specific embodiment of the present utility model, one end of lever 1 is rotatably installed on described support 3, and one end of connecting rod 2 is rotatably installed between two ends of described lever 1.
According to a kind of specific embodiment of the present utility model, described slide mechanism comprises slide cartridge 5, slide cartridge 5 is mounted slidably in the guiding of described guide cylinder 4 and connects in chamber, and the other end of connecting rod 2 is rotatably connected in the top of slide cartridge 5, described pin shaft connection structure comprises that screw rod inserts chamber, screw rod 6 and nut 7, described screw rod inserts chamber and is formed on slide cartridge 5 inside and coaxial with described guiding perforation chamber, screw rod 6 can insert chamber and can be threaded with axle 10 to be pulled pin through described screw rod, nut 7 can be greater than described screw rod with screw rod 6 threaded engagement and its external diameter and insert the internal diameter in chamber.Screw rod 6, for being fixedly connected with axle 10 female to be pulled pin is set, according to the particularly size of its internal thread of the model of axle 10 to be pulled pin, can be prepared the screw rod 6 of multiple different sizes.After screw rod 6 is connected with axle 10 to be pulled pin, the nut 7 on can rotary screw 6 is moved downward to the position contacting with slide cartridge 5 with standing screw 6 on the axis direction of axle described to be pulled pin.
According to the pin pulling tool of preferred embodiment of the present utility model, its concrete using method is: as shown in Figure 2, described pin pulling tool is positioned in the plane of bearing pin erection unit 9, respectively along the lever 1 that rotates both sides with the direction of I direction and I ' opposite direction to drive slide cartridge 5 to drop to lower position by connecting rod 2, suitable screw rod 6 is inserted to screw rod to be inserted chamber and places screw rod 6 to be connected with the internal thread of axle 10 to be pulled pin, nut 7 on rotary screw 6 is moved downward to the position contacting with slide cartridge 5, then move up to promote slide cartridge 5 along the lever 1 of I direction and I ' direction rotation both sides respectively, thereby drive the axle to be pulled pin 10 of screw rod 6 to move upward by nut 7, until axle to be pulled pin is pulled out.
According to the another kind of specific embodiment of the present utility model, as shown in Figure 3, described slide mechanism comprises slide cartridge 5, described slide cartridge 5 is mounted slidably in the guiding of guide cylinder 4 and connects in chamber, and the other end of connecting rod 2 is rotatably connected in the top of slide cartridge 5, described pin shaft connection structure comprises stay hook 8, and this stay hook is connected in the bottom of slide cartridge 5, and stay hook 8 can engage with axle 10 to be pulled pin.Stay hook 8 can be various ways (as distortion stay hook 8 '), can mounting nuts on axle 10 to be pulled pin etc. to engage with stay hook 8.In the present embodiment, slide cartridge 5 and the connected mode of axle 10 to be pulled pin are out of shape, the method for operating of itself and the above embodiment is basic identical, therefore no longer its method of operating is described in detail.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (6)

1. a pin pulling tool, it is characterized in that, described pin pulling tool comprises for being supported on the supporting mechanism on working face, action bars mechanism and slide mechanism, described supporting mechanism is provided with guiding and connects chamber, described action bars mechanism comprises the lever (1) and the connecting rod (2) that are rotatably connected in described supporting mechanism, this connecting rod is rotatably connected with described slide mechanism with described lever (1) respectively with two ends, described slide mechanism is contained in slidably described guiding and connects in chamber and have the pin shaft connection structure being connected with axle to be pulled pin, can promote described slide mechanism via described connecting rod (2) and move in described guiding connects chamber by rotating described lever (1).
2. pin pulling tool according to claim 1, it is characterized in that, described action bars mechanism comprises the paired described action bars mechanism that is positioned at described supporting mechanism both sides, and described in each lever (1) and described in each plane of movement of connecting rod (2) in same plane.
3. pin pulling tool according to claim 1, it is characterized in that, described supporting mechanism comprises guide cylinder (4) and support (3), in described guide cylinder (4), form described guiding and connect chamber to hold described slide mechanism, described support (3) is integrally formed or interconnects with described guide cylinder (4).
4. pin pulling tool according to claim 3, is characterized in that, it is upper that one end of described lever (1) is rotatably installed in described support (3), and one end of described connecting rod (2) is rotatably installed between two ends of described lever (1).
5. pin pulling tool according to claim 4, it is characterized in that, described slide mechanism comprises slide cartridge (5), described slide cartridge (5) is mounted slidably in the guiding of described guide cylinder (4) and connects in chamber, and the other end of described connecting rod (2) is rotatably connected in the top of described slide cartridge (5), described pin shaft connection structure comprises that screw rod inserts chamber, screw rod (6) and nut (7), described screw rod inserts chamber and is formed on described slide cartridge (5) inside and coaxial with described guiding perforation chamber, described screw rod (6) can insert chamber and can be connected with male thread to be pulled pin through described screw rod, described nut (7) can be greater than described screw rod with described screw rod (6) threaded engagement and its external diameter and insert the internal diameter in chamber.
6. pin pulling tool according to claim 4, it is characterized in that, described slide mechanism comprises slide cartridge (5), described slide cartridge (5) is mounted slidably in the guiding of described guide cylinder (4) and connects in chamber, and the other end of described connecting rod (2) is rotatably connected in the top of described slide cartridge (5), described pin shaft connection structure comprises stay hook (8), and this stay hook (8) is connected in the bottom of described slide cartridge (5), and described stay hook (8) can engage with axle to be pulled pin.
CN201420013566.3U 2014-01-09 2014-01-09 Pin pulling tool Expired - Lifetime CN203665445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420013566.3U CN203665445U (en) 2014-01-09 2014-01-09 Pin pulling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420013566.3U CN203665445U (en) 2014-01-09 2014-01-09 Pin pulling tool

Publications (1)

Publication Number Publication Date
CN203665445U true CN203665445U (en) 2014-06-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420013566.3U Expired - Lifetime CN203665445U (en) 2014-01-09 2014-01-09 Pin pulling tool

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737544A (en) * 2014-01-09 2014-04-23 中国神华能源股份有限公司 Pin pulling tool
CN104742082A (en) * 2015-04-16 2015-07-01 国网山东省电力公司潍坊供电公司 Special pulling and plugging tool for communication equipment board card
CN107283153A (en) * 2017-05-27 2017-10-24 宁波帅特龙集团有限公司 A kind of bearing pin pulling attachment and its operating method
CN109531491A (en) * 2018-12-18 2019-03-29 重庆诺为生态环境工程有限公司 Drawing fastener
CN114654419A (en) * 2022-04-14 2022-06-24 浙江百世技术有限公司 Dismounting device of portable commodity circulation tray

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737544A (en) * 2014-01-09 2014-04-23 中国神华能源股份有限公司 Pin pulling tool
CN104742082A (en) * 2015-04-16 2015-07-01 国网山东省电力公司潍坊供电公司 Special pulling and plugging tool for communication equipment board card
CN104742082B (en) * 2015-04-16 2016-04-20 国网山东省电力公司潍坊供电公司 The special Pluging & pulling tool of communication equipment board
CN107283153A (en) * 2017-05-27 2017-10-24 宁波帅特龙集团有限公司 A kind of bearing pin pulling attachment and its operating method
CN109531491A (en) * 2018-12-18 2019-03-29 重庆诺为生态环境工程有限公司 Drawing fastener
CN109531491B (en) * 2018-12-18 2024-04-19 重庆诺为生态环境工程有限公司 Drawing fastener
CN114654419A (en) * 2022-04-14 2022-06-24 浙江百世技术有限公司 Dismounting device of portable commodity circulation tray

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GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140625