CN206883546U - One kind positioning pin withdrawing device - Google Patents
One kind positioning pin withdrawing device Download PDFInfo
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- CN206883546U CN206883546U CN201720712990.0U CN201720712990U CN206883546U CN 206883546 U CN206883546 U CN 206883546U CN 201720712990 U CN201720712990 U CN 201720712990U CN 206883546 U CN206883546 U CN 206883546U
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- China
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- positioning pin
- connecting rod
- withdrawing device
- support component
- hydraulic package
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Abstract
The utility model discloses one kind to position pin withdrawing device, and described device includes connecting rod (1), hydraulic package (2), support component (3) and fixation kit (4) successively.Wherein, connecting rod (1) lower end is connected through a screw thread with positioning pin (5), and upper end is connected through hollow hydraulic package (2) with fixation kit (4)；The support component (3) and positioning pin (5) concentric placement, are made up of the steel with some strength；The fixation kit (4) includes nut (41) and packing ring (42), is connected through a screw thread with connecting rod (1).The utility model is simple in construction, is easily installed, and is capable of the extraction efficiency of high degree raising positioning pin.
Description
Technical field
The utility model belongs to machine tool dismounting field, and in particular to one kind positioning pin withdrawing device.
Background technology
In some heavy-duty machinery frock fields, generally use alignment pin bolt is located by connecting associated component.Using gas turbine as
Example, it positions pin and mainly worked when lower half cylinder body on turbine closes cylinder, using intermediate cylindrical and both ends external screw thread
Structure design.Intermediate cylindrical is mainly designed to the effect of positioning, and both ends external screw thread is respectively with a nut by upper lower half cylinder body
It is locked.
According to technological requirement, the pin-and-hole and positioning pin of gas turbine cylinder are all interference fits in assembling.But in machine
In group actual moving process, due to working characteristics, gas turbine needs frequently start and stop peak regulation, just causes internal temperature frequently
1300 DEG C are increased to from normal temperature, then rolls back normal temperature.The high and low temperature environment of frequent alternation causes gas turbine cylinder and pin-and-hole equal
Very big deformation is produced, considerably increases the frictional force between positioning pin and pin-and-hole.
, it is necessary to carry out the dismounting work of multiple positioning pins during gas turbine overhauls.Generally use at present
It is that impingement method is pulled pin, what the method was taken is the mode that more people work by turns, it is necessary to which worker from bottom to top will positioning using weight
Pin bit by bit knocks out from pin-and-hole, and the unpluging amount of pin depends on the efficiency of operation weight motion.According to statistics, position
Pin can produce 0.5mm-2.0mm travel displacements every time when being hit by 16P weights, when the cooperation of positioning pin and pin-and-hole is grown
Spend for 150mm or so when, it is necessary to 4 workers, which carry out 2 working by turns for hour, could complete whole demolishing process, and combustion gas wheel
The whole maintenance process of machine generally requires to remove 16 positioning pins.Moreover, in operation, due to being exerted oneself when hitting upwards
It is uneven, easily pin and part are caused to damage.Therefore, this traditional method of pulling pin can cause labor strength it is big,
Remove efficiency it is low and remove effect it is poor, once and misoperation easily cause the damage of personnel.
To sum up, in the case of operating environment safety, reduce employee physical demands to greatest extent, shorten time duration and
Improving operating efficiency turns into urgent problem to be solved in positioning pin unloading process.
Utility model content
In order to overcome above mentioned problem, present inventor has performed studying with keen determination, a kind of withdrawing device for positioning pin is designed,
Wherein, the positioning pin withdrawing device includes connecting rod, for connecting positioning pin and providing the hydraulic package of external force, in reality
When border operates, external force is applied to connecting rod by hydraulic package, and then drive positioning pin to produce displacement；Also include support component
And fixation kit, the effect played a supporting role respectively during hydraulic package applies external force with fixed connecting rod, so as to
Complete the utility model.
The utility model provides a kind of device for being used to position pin taking-up, is embodied in following：
(1) a kind of device for being used to position pin taking-up, wherein, described device includes connecting rod 1, hydraulic package 2, support
Component 3 and fixation kit 4, wherein,
The lower end of connecting rod 1 is connected with positioning pin 5；The support component 3 is enclosed on connecting rod 1 and positions pin 5
It is outside；The hydraulic package 2 is placed on the top of support component 3；The upper end of connecting rod 1 is through hydraulic package 2 with fixing group
Part 4 connects.
(2) the positioning pin withdrawing device according to above-mentioned (1), wherein, the connecting rod 1 is column construction, upper end
For external thread structure, lower end is female thread structure.
(3) the positioning pin withdrawing device according to above-mentioned (2), wherein, the lower end of connecting rod 1 and positioning pin 5
It is connected by screw thread, the internal diameter of the lower end of connecting rod 1 is more than the external diameter of positioning pin 5 upper end.
(4) the positioning pin withdrawing device according to one of above-mentioned (1) to (3), wherein, the support component 3 is with determining
Position 5 concentric placement of pin；The support component 3 and the upper vertical of turbine cylinder body 6 are placed.
(5) the positioning pin withdrawing device according to above-mentioned (4), wherein, the support component 3 is made up of steel.
(6) the positioning pin withdrawing device according to above-mentioned (1), wherein, the hydraulic package 2 lies in a horizontal plane in support
The top of component 3.
(7) the positioning pin withdrawing device according to above-mentioned (6), wherein, the hydraulic package 2 is with hollow structure
Hydraulic means.
(8) the positioning pin withdrawing device according to above-mentioned (1), wherein, the upper end of connecting rod 1 passes through hydraulic package
2 are connected through a screw thread with fixation kit 4.
(9) the positioning pin withdrawing device according to above-mentioned (8), wherein, the fixation kit 4 includes nut 41 and pad
Circle 42.
(10) the positioning pin withdrawing device according to above-mentioned (9), wherein, the packing ring 42 passes through the upper end of connecting rod 1
The top of hydraulic package 2 is placed on, nut 41 is connected through a screw thread with the upper end of connecting rod 1, is pressed on packing ring 42.
Beneficial effect includes possessed by the utility model：
(1) positioning pin withdrawing device described in the utility model, it is simple in construction, it is easily installed, it is safe, it is adapted to big rule
Mould production application；
(2) positioning pin withdrawing device described in the utility model, it is versatile, can be according to the positioning pin of different size
Parts are changed, ressemble use；
(3) device described in the utility model, it is connected with being fixedly connected for hydraulic package using nut with packing ring matching thread,
The mode being connected by screw bolts with positioning pin, is connected firmly, and mounts and dismounts simple and convenient；
(4) connecting rod in device described in the utility model and support component can utilize waste and old steel without particular/special requirement
It is processed, raw material sources are extensive, and manufacturing cost and use cost is low；
(5) hydraulic package described in the utility model is conventional hydraulic jack, widely used, to portion during taking-up pin
Part not damaged, in addition to for positioning pin extraction, also it can complete other processes in heavy-duty machinery maintenance；
(6) the utility model greatly reduces the difficulty that positioning pin takes out, and shortens take-off time, has saved substantial amounts of
Manpower and materials.
Brief description of the drawings
Fig. 1 shows a kind of schematic front view of the positioning pin withdrawing device of preferred embodiment of the utility model.
Drawing reference numeral explanation：
1- connecting rods；
2- hydraulic packages；
3- support components；
4- fixation kits；
41- nuts；
42- packing rings；
5- positions pin；
6- turbine cylinder bodies.
Embodiment
The utility model is further described below by drawings and embodiments.Pass through these explanations, this practicality
The characteristics of new and advantage will become more apparent from clearly.Wherein, although the various aspects of embodiment are shown in the drawings,
But unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
The utility model provides a kind of positioning pin withdrawing device, and as described in Figure 1, described device includes connecting rod successively
1, hydraulic package 2, support component 3, fixation kit 4；Wherein, the connecting rod 1 is used to connect hydraulic package 2 and positioning pin 5,
In actual mechanical process, external force acts on connecting rod 1 to take out pin；The hydraulic package 2 is used to provide vertical turbine cylinder
The upward external force of body (6)；The support component 3 is used for support hydraulic pressure component 2；The fixation kit 4 is used for the He of fixed connecting rod 1
Hydraulic package 2.
According to a kind of preferred embodiment of the utility model, as shown in figure 1, the connecting rod 1 is column construction, preferably
For cylindrical structural.
In further preferred embodiment, the upper end of the connecting rod 1 is external thread structure, and lower end is internal thread knot
Structure.
According to a kind of preferred embodiment of the utility model, the lower end of connecting rod 1 is matched somebody with somebody with positioning pin 5 by screw thread
Close connection.
In further preferred embodiment, the internal diameter of the lower end cylindrical structural of connecting rod 1 is more than positioning pin 5
The external diameter of threaded upper ends structure.
In embodiment still more preferably, internal thread and the positioning threaded upper ends of pin 5 of the lower end of connecting rod 1
All screwed in during mating connection.
Wherein, the internal thread of connecting rod is all screwed in, is to ensure that connecting rod can with being connected firmly for pin of positioning
Lean on, prevent from trying to shirk responsibility during pin is extracted, influence operating efficiency.
According to a kind of preferred embodiment of the utility model, the diameter of the lower end cylindrical structural of connecting rod 1 is more than
The diameter of the upper end of connecting rod 1.
Wherein, when the positioning pin diameter for needing to take out is more than the diameter of hydraulic package hollow posts, the upper end of connecting rod
The cylindrical structural of different-diameter need to be made with lower end part, the diameter that the connecting rod lower end connect is tethered to alignment pin is then corresponding big
Diameter in the connecting rod upper end through hydraulic package hollow posts.
According to a kind of preferred embodiment of the utility model, the support component 3 is enclosed on connecting rod 1 and positioning pin 5
Outside, positioned at the top of turbine cylinder body 6.
In further preferred embodiment, the support component 3 is concentric placement with positioning pin 5, while with
The upper surface of turbine cylinder body 6 is disposed vertically.
Wherein, during positioning pin is extracted, in order to ensure that connecting rod and pulling force suffered by each node of pin are equal
It is even reasonable, and there is good resistance to overturning, need to be by support component and the concentric placement of pin.
According to a kind of preferred embodiment of the utility model, the support component 3 is hollow structure and had certain thick
Degree, preferably cylinder-like structure.
In further preferred embodiment, the support component 3 is sleeve, preferably high strength steel made of steel
Sleeve made of material.
Wherein, in pin withdrawal process is positioned, the hydraulic package power upward by producing vertical gas turbine cylinder, band
Dynamic connecting rod produces displacement upwards, gradually extracts positioning pin from cylinder body.External force caused by hydraulic package can equal extent
It is applied downwardly in support component, this requires support component to possess certain intensity, and alignment pin is extracted to bear hydraulic package
Huge external force caused by bolt.
According to a kind of preferred embodiment of the utility model, the hydraulic package 2 lies in a horizontal plane in the upper of support component 3
Portion.
According to a kind of preferred embodiment of the utility model, the hydraulic package 2 is that can provide in the having of external force
The hydraulic means of hollow structure, preferably hydraulic jack, such as ENERPAC hydraulic jack (models：RCH302).
Wherein, hydraulic jack is as a kind of simple crane gear, have simple structure, it is in light weight, be easy to carry and move
Dynamic the features such as facilitating.In use, manual pump or air driven pump can be used to jack up hydraulic jack, by using manual pump,
Operation of pulling pin can be carried out using the positioning pin withdrawing device whenever and wherever possible, not limited by factors such as electric power and circuits.This
Outside, hydraulic jack can also depart from device, other processes being individually used for during machinery overhaul.
According to a kind of preferred embodiment of the utility model, as shown in figure 1, the upper end of the connecting rod 1 passes through hydraulic pressure group
The hollow posts of part 2 are connected with fixation kit 4, are fixed preferably by threaded connection.
According to a kind of preferred embodiment of the utility model, as shown in figure 1, the fixation kit 4 includes the He of nut 41
Packing ring 42, preferably hex nut and plain washer.
In further preferred embodiment, the plain washer of the fixation kit 4 passes through the upper ends of connecting rod 1 in liquid
The upper surface of component 2 is pressed, hex nut and the external screw thread of connecting rod 1 make plain washer be close to hydraulic package 2 by adjusting pitch
Upper surface.
Wherein, the upper surface that packing ring is close to hydraulic package is connected through a screw thread, is in order to by connecting rod and liquid first
Pressure component firmly connects, next to that in order to ensure the moment started working in hydraulic package, it becomes possible to produce external force to connecting rod
Effect, positioning pin is set to produce corresponding displacement.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is based on the orientation or position relationship under utility model works state, is for only for ease of and describes this practicality newly
Type and simplifying describes, rather than instruction or implies that signified device or element must have specific orientation, with specific orientation
Construction and operation, therefore it is not intended that to limitation of the present utility model.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models
Example property, only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
Each fall within the scope of protection of the utility model.
Claims (10)
1. one kind positioning pin withdrawing device, it is characterised in that described device includes connecting rod (1), hydraulic package (2), support
Component (3) and fixation kit (4)；Wherein,
Connecting rod (1) lower end is connected with positioning pin (5)；
The support component (3) is enclosed on connecting rod (1) and positions the outside of pin (5)；
The hydraulic package (2) is placed on the top of support component (3)；
Connecting rod (1) upper end passes through hydraulic package (2), is connected with fixation kit (4).
2. positioning pin withdrawing device according to claim 1, it is characterised in that the connecting rod (1) is column construction,
Upper end is external thread structure, and lower end is female thread structure.
3. positioning pin withdrawing device according to claim 2, it is characterised in that
Connecting rod (1) lower end is connected with positioning pin (5) by screw thread；
The internal diameter of connecting rod (1) lower end is more than the external diameter of positioning pin (5) upper end.
4. the positioning pin withdrawing device according to one of claims 1 to 3, it is characterised in that
The support component (3) and positioning pin (5) concentric placement；And/or
The support component (3) and the upper surface of turbine cylinder body (6) are disposed vertically.
5. positioning pin withdrawing device according to claim 4, it is characterised in that the support component (3) is by steel system
Into.
6. positioning pin withdrawing device according to claim 1, it is characterised in that the hydraulic package (2) is horizontal positioned
On the top of support component (3).
7. positioning pin withdrawing device according to claim 6, it is characterised in that the hydraulic package (2) is with
The hydraulic means of hollow structure.
8. positioning pin withdrawing device according to claim 1, it is characterised in that connecting rod (1) upper end passes through liquid
Pressure component (2) is connected through a screw thread with fixation kit (4).
9. positioning pin withdrawing device according to claim 8, it is characterised in that the fixation kit (4) includes nut
And packing ring (42) (41).
10. positioning pin withdrawing device according to claim 9, it is characterised in that the packing ring (42) passes through connecting rod
(1) upper ends are connected through a screw thread in the top of hydraulic package (2), nut (41) with connecting rod (1) upper end, are pressed in packing ring
(42) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712990.0U CN206883546U (en) | 2017-06-19 | 2017-06-19 | One kind positioning pin withdrawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712990.0U CN206883546U (en) | 2017-06-19 | 2017-06-19 | One kind positioning pin withdrawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206883546U true CN206883546U (en) | 2018-01-16 |
Family
ID=61315707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720712990.0U Active CN206883546U (en) | 2017-06-19 | 2017-06-19 | One kind positioning pin withdrawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206883546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227932A (en) * | 2019-07-12 | 2019-09-13 | 艾方德 | Leave out thread attachment device is easily moved back based on slope surface mechanics effect |
-
2017
- 2017-06-19 CN CN201720712990.0U patent/CN206883546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227932A (en) * | 2019-07-12 | 2019-09-13 | 艾方德 | Leave out thread attachment device is easily moved back based on slope surface mechanics effect |
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