CN220863890U - Locating pin extraction device - Google Patents
Locating pin extraction device Download PDFInfo
- Publication number
- CN220863890U CN220863890U CN202322393179.9U CN202322393179U CN220863890U CN 220863890 U CN220863890 U CN 220863890U CN 202322393179 U CN202322393179 U CN 202322393179U CN 220863890 U CN220863890 U CN 220863890U
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- Prior art keywords
- locating pin
- hole
- adjusting
- supporting plate
- connecting screw
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- 238000000605 extraction Methods 0.000 title claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insertion Pins And Rivets (AREA)
Abstract
The utility model relates to the technical field of mechanical tools, in particular to a positioning pin pulling-out device which comprises a supporting plate, wherein a through hole is formed in the center of the supporting plate, a connecting screw is inserted into the through hole, the bottom of the connecting screw is matched with the inner thread of a positioning pin, the top of the connecting screw penetrates through the through hole to be in threaded connection with a rotating part, and height adjusting parts are symmetrically arranged on two sides of the through hole on the supporting plate. According to the utility model, the height of the supporting plate can be adjusted according to different pin lengths by arranging the height adjusting piece; the connecting screw rod, the rotating piece are connected with the locating pin, the locating pin can be pulled out through rotation of the rotating piece, and the operation is simple and convenient, and the reuse of the locating pin is realized.
Description
Technical Field
The utility model relates to the technical field of mechanical tools, in particular to a locating pin pulling-out device.
Background
When each part of the mechanical device is connected and installed, in order to ensure that the positions among the parts meet the requirements of parameters such as horizontal, vertical and clearance, and the like, the original parameters such as horizontal, vertical and clearance are changed after installation without vibration and swing degree generated during operation of the device, so that the parts are conveniently positioned after disassembly and assembly, positioning pins are required to be arranged at the joints of important parts, and the end parts of the positioning pins are provided with internal threads.
The hydroelectric generating set connecting part is provided with a large number of locating pins, and the locating pins of all parts need to be pulled out when the set is overhauled. At present, most experienced personnel temporarily self-control tools or destroy the dowel pin when pulling out the dowel pin, and then take the dowel pin out of the dowel pin hole. The operation difficulty of the self-made tool is high, the requirement on the skill level of personnel is high, and the self-made tool is difficult to adapt to positioning pins with different sizes; and when the relatively tight pin is pulled out, the strength of the temporary self-made tool is difficult to meet the requirement, and potential safety hazards exist. Breaking the pin can lead to the pin being scrapped directly, with the pin hole having a significant risk of deformation during this process.
Disclosure of utility model
The utility model aims to provide a locating pin pulling device which can safely and stably pull out a locating pin, is simple and convenient to operate and realizes the recycling of the locating pin.
The utility model provides a locating pin pulling-out device which comprises a supporting plate, wherein a through hole is formed in the center of the supporting plate, a connecting screw rod is inserted into the through hole, the bottom of the connecting screw rod is matched with internal threads of a locating pin, the top of the connecting screw rod penetrates through the through hole to be in threaded connection with a rotating piece, and height adjusting pieces are symmetrically arranged on two sides of the through hole on the supporting plate.
Preferably, a distance between the height adjuster and the through hole is adjustable.
Preferably, the height adjusting piece comprises two adjusting screws symmetrically arranged on two sides of the through hole, adjusting holes are formed in the supporting plate corresponding to the adjusting screws, the adjusting screws are in threaded connection with two adjusting nuts, and the two adjusting nuts are located on the upper side and the lower side of the supporting plate.
Preferably, the adjusting holes are provided with a plurality of groups, and the distance between each group of adjusting holes and the through hole is different.
Preferably, the bottom of the adjusting screw is provided with a supporting gasket.
Preferably, the adjusting screw is axially parallel to the connecting screw.
Preferably, a positioning adjusting gasket is sleeved on the connecting screw, the positioning adjusting gasket is located between the supporting plate and the rotating piece, and the diameter of the positioning adjusting gasket is larger than that of the through hole.
Preferably, the rotating member is a fixed nut or a rotating handle with an internal thread at one end.
Preferably, the thread direction of the rotating member is the same as the thread direction of the internal thread of the locating pin.
Preferably, the height adjusting member is an elastic telescopic rod.
The beneficial effects are that:
The utility model can take out the positioning pins with various specifications when the water turbine is overhauled. By arranging the height adjusting piece, the height of the supporting plate can be adjusted according to different pin lengths; the connecting screw rod, the rotating piece are connected with the locating pin, the locating pin can be pulled out through rotation of the rotating piece, and the operation is simple and convenient, and the reuse of the locating pin is realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic diagram illustrating the operation of the present utility model.
Reference numerals illustrate:
The device comprises a 1-supporting plate, a 2-adjusting hole, a 3-adjusting nut, a 4-adjusting screw, a 5-positioning adjusting gasket, a 6-fixing nut, a 7-connecting screw, an 8-through hole, a 9-supporting gasket, a 10-positioning pin and an 11-part.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-2, a locating pin extracting device comprises a supporting plate 1, wherein a through hole 8 is formed in the center of the supporting plate 1, a connecting screw rod 7 is inserted in the through hole 8, the bottom of the connecting screw rod 7 penetrates through the through hole 8 to be in threaded connection with an internal thread of a locating pin 10, the top of the connecting screw rod 7 penetrates through the through hole 8 to be in threaded connection with a rotating piece, the threaded direction of the rotating piece is the same as that of the internal thread of the locating pin 10, when the rotating piece is rotated and locked, the connecting screw rod 7 can be lifted, and meanwhile, the connecting screw rod 7 is locked with the locating pin 10 to drive the locating pin 10 to lift until the locating pin 10 is pulled out. The rotating piece is a fixed nut 6 or a rotating handle with an internal thread at one end, and is sleeved on the connecting screw rod 7 when the rotating piece is the fixed nut 6; the rotating piece is in threaded connection with the top end of the connecting screw rod 7 when the handle is rotated, and the handle is arranged to facilitate the operation of the rotating piece by workers. The implementation can be carried out by selecting different connecting screws 7 according to the internal thread size of the locating pin 10.
The connecting screw 7 is sleeved with a positioning adjusting gasket 5, the positioning adjusting gasket 5 is positioned between the supporting plate 1 and the rotating piece, the diameter of the positioning adjusting gasket 5 is larger than that of the through hole 8, and the positioning adjusting gasket 5 provides supporting force for the rotating piece.
The supporting plate 1 is symmetrically provided with height adjusting pieces at two sides of the through hole 8. The distance between the height adjusting piece and the through hole 8 is adjustable, so that the pin with different sizes and working scenes with different widths can be adapted. The height adjusting piece comprises two adjusting screw rods 4 symmetrically arranged on two sides of the through hole 8, adjusting holes 2 are formed in the supporting plate 1 corresponding to the adjusting screw rods 4, the adjusting screw rods 4 are in threaded connection with two adjusting nuts 3, the two adjusting nuts 3 are located on the upper side and the lower side of the supporting plate 1, and the height of the supporting plate 1 can be adjusted to a required position through rotating the adjusting nuts 3. The bottom of the adjusting screw 4 is provided with the supporting gaskets 9, so that the acting area between the device and the working surface is increased, and the surface of the part 11 is prevented from being damaged when the device works. The adjusting screw 4 is axially parallel to the connecting screw 7, so that the stress of the device is more uniform. Every two adjust holes 2 that set up in through-hole 8 bilateral symmetry are a set of, and adjust hole 2 sets up a plurality of groups, and the distance between every group adjust hole 2 and the through-hole 8 is different, can change the distance between adjust screw 4 and the connecting screw 7 through inserting adjust screw 4 in different group adjust hole 2.
The height adjusting piece can also be an elastic telescopic rod, and the elastic telescopic rod is in a compressed state when in operation, and applies acting force to the supporting plate 1 and the working surface simultaneously, so that the positioning pin 10 can be pulled out in an auxiliary manner.
Working principle:
As shown in fig. 3, the positioning pin 10 extracting device is placed on the surface of a part 11 of the positioning pin 10 to be extracted, the adjusting screw 4 is inserted into different groups of adjusting holes 2 according to the size of the working surface on the surface of the part 11, and then the height of the supporting plate 1 is changed by rotating the adjusting nut 3 until the distance between the supporting plate 1 and the working surface is greater than the length of the positioning pin 10, so that the positioning pin 10 is conveniently and completely extracted, and the adjusting nut 3 is locked.
According to the size of the internal thread at the end part of the locating pin 10 to be pulled out, different connecting screws 7 are selected, the connecting screws 7 are inserted into the through holes 8, the bottom of each connecting screw 7 is locked with the internal thread at the end part of the locating pin 10, the top sleeve is provided with the position adjusting gasket 5 and the fixing nut 6, the reacting force of the positioning adjusting gasket 5 is applied when the fixing nut 6 is rotated in the locking direction, the connecting screws 7 can be lifted, meanwhile, the connecting screws 7 are locked with the locating pin 10, the locating pin 10 is driven to lift, and the operation is completed until the locating pin 10 is pulled out.
The utility model can meet the requirements of taking out positioning pins with various specifications and various mounting positions during the overhaul of the water turbine.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a locating pin pulls out device, its characterized in that, includes the backup pad, the backup pad center is equipped with the through-hole, the through-hole interpolation is equipped with connecting screw, connecting screw bottom and locating pin internal thread fit, the connecting screw top passes through-hole and rotating member threaded connection, be in the backup pad the through-hole bilateral symmetry is equipped with the altitude mixture control spare.
2. The locating pin extraction apparatus of claim 1, wherein a distance between the height adjustment member and the through hole is adjustable.
3. The locating pin extraction device according to claim 2, wherein the height adjusting piece comprises two adjusting screws symmetrically arranged on two sides of the through hole, adjusting holes are formed in the supporting plate corresponding to the adjusting screws, the adjusting screws are in threaded connection with two adjusting nuts, and the two adjusting nuts are located on the upper side and the lower side of the supporting plate.
4. A locating pin extraction apparatus according to claim 3 wherein the adjustment holes are provided in groups, each group having a different distance from the through hole.
5. A locating pin extraction apparatus according to claim 3 wherein the adjustment screw bottoms are each provided with a support spacer.
6. A locating pin extraction apparatus according to claim 3 wherein the adjustment screw is axially parallel to the connection screw.
7. The locating pin extraction device according to claim 1, wherein a locating adjustment gasket is sleeved on the connecting screw, the locating adjustment gasket is located between the supporting plate and the rotating member, and the diameter of the locating adjustment gasket is larger than that of the through hole.
8. The locating pin extraction apparatus of claim 1, wherein the rotatable member is a retaining nut or a rotatable knob having an internal thread at one end.
9. The dowel extraction apparatus of claim 1, wherein the rotation member has a thread direction that is the same as a thread direction of the dowel internal thread.
10. The locating pin extraction apparatus of claim 1, wherein the height adjustment member is an elastic telescoping rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393179.9U CN220863890U (en) | 2023-09-04 | 2023-09-04 | Locating pin extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393179.9U CN220863890U (en) | 2023-09-04 | 2023-09-04 | Locating pin extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220863890U true CN220863890U (en) | 2024-04-30 |
Family
ID=90821467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322393179.9U Active CN220863890U (en) | 2023-09-04 | 2023-09-04 | Locating pin extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220863890U (en) |
-
2023
- 2023-09-04 CN CN202322393179.9U patent/CN220863890U/en active Active
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