CN204339711U - A kind of hole cover parts puller - Google Patents
A kind of hole cover parts puller Download PDFInfo
- Publication number
- CN204339711U CN204339711U CN201420787135.2U CN201420787135U CN204339711U CN 204339711 U CN204339711 U CN 204339711U CN 201420787135 U CN201420787135 U CN 201420787135U CN 204339711 U CN204339711 U CN 204339711U
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- CN
- China
- Prior art keywords
- leading screw
- cover parts
- hole
- support bar
- rotating nut
- 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 - Fee Related
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Abstract
The utility model relates to a kind of hole cover parts puller, comprises leading screw, rotating nut, gripper shoe, support bar and drag hook, and wherein, described drag hook is arranged on the lower end of leading screw, and the upper end of leading screw is through gripper shoe and rotating nut; Described rotating nut arranges on the supporting plate by rotatable mechanism, and this rotating nut is provided with swingle; Described support bar is many, and the upper end of this support bar is fixedly connected with on the supporting plate.Hole of the present utility model cover parts puller has the advantages such as reliable operation, structure is simple, applied widely, operation effectiveness is good.
Description
Technical field
The utility model relates to a kind of plant equipment maintenance tool, is specifically related to a kind of hole cover parts puller.
Background technology
In the industrial production, inevitably there will be various fault in machinery equipment running, this just needs special maintenance master worker to keep in repair, but a lot of machine parts seriously corroded, and some part is interference installation, dismounting difficulty is large.Therefore how quick-detachment equipment, the good equipment of high-efficient maintenance is directly connected to the interests that enterprise produces.
At present, the external application puller kind that market is sold is a lot, and this kind of puller mainly uses object to be mounted in part on axle, as gear, and belt wheel, sprocket wheel etc.But in maintenance process, this kind of puller lacks very difficult dismounting for some parts be arranged on inside hole, as: some end cap, bearings etc. are arranged on the part in hole.Particularly some heavy-duty machineries (as: straightener, grouping machine), this kind of machinery requirement roller rolls steel plate, and therefore roller and end cap are easily out of shape, and when roller breaks down, end cap is difficult to dismounting, and the inside bearing is also difficult to dismounting and change.Therefore, urgent need development is a kind of can dismantle the puller of these hole cover parts by efficient quick soon, requires that its reliable operation, structure are simple, applied widely, operation effectiveness is good.
Utility model content
In view of above shortcomings in prior art, the purpose of this utility model is to provide a kind of hole cover parts puller, and this hole cover parts puller has the advantages such as reliable operation, structure is simple, applied widely, operation effectiveness is good.
The technical scheme that the utility model solves the problems of the technologies described above is:
A kind of hole cover parts puller, it is characterized in that, comprise leading screw, rotating nut, gripper shoe, support bar and drag hook, wherein, described drag hook is arranged on the lower end of leading screw, and the upper end of leading screw is through gripper shoe and rotating nut; Described rotating nut arranges on the supporting plate by rotatable mechanism, and this rotating nut is provided with swingle; Described support bar is many, and the upper end of this support bar is fixedly connected with on the supporting plate.
A preferred version of the present utility model, wherein, described rotatable mechanism comprises thrust bearing and outer jump ring, wherein, described thrust bearing and outer jump ring are set on rotating nut, wherein, described thrust bearing is positioned at the upside of gripper shoe, and described outer jump ring is positioned at the downside of gripper shoe.By arranging described thrust bearing, reduce frictional resistance power during rotating nut work, when can prevent puller from working, drag hook rotates together with leading screw simultaneously; The effect of described outer jump ring is to prevent rotating nut, thrust bearing comes off from gripper shoe when not stressing.
Preferably, the upper end of described rotating nut is provided with blind hole, and one end of described swingle is inserted in this blind hole; The lower end of described rotating nut is provided with jump-ring slot, and described outer jump ring is arranged in this jump-ring slot.
A preferred version of the present utility model, wherein, described gripper shoe is provided with the link slot for being connected with support bar, ledge structure is arranged in the upper end of described support bar, path part in this ledge structure is passed from described link slot, this path part is provided with external screw thread, it is connected with nut and is fixed on the supporting plate by support bar.By said structure, form the detachable structure of support bar, and the fixed position of support bar can change in link slot flexibly, thus adapt to different conditions of work.
Preferably, described support bar is three, and described gripper shoe is triangular in shape, and described link slot extends along the radial direction of gripper shoe.By this structure, during three support bar work, form stable triangular structure, make gripper shoe stress equalization, stablize.
A preferred version of the present utility model, wherein, the upper end of described leading screw is provided with the through hole radially running through leading screw.Its role is to, during work, in this through hole, wear a metal bar, rotated with rotating nut by this metal bar restriction leading screw.
A preferred version of the present utility model, wherein, the lower end of described leading screw is connected with drag hook by base, and wherein, the upper end of this base is connected with leading screw, and lower end is provided with the brace to downward-extension, and described drag hook is connected on this brace by pin.By said structure, achieve the connection of leading screw and drag hook.
Preferably, the upper end of described base is provided with endoporus, and the lower end of described leading screw is cylinder and is inserted in this endoporus, and the lower end of leading screw is provided with connecting hole, is linked together between described base and leading screw by the pin be located in described connecting hole.By this structure, realize the connection of leading screw and base, described connecting hole effect is to allow leading screw be connected with base by pin, thus compensate for each part assemble again after dimension chain error, more steady when puller is worked.
Preferably, the quantity of described drag hook is at least two.Acted on the cover parts of hole by plural drag hook, make stress equalization.
A preferred version of the present utility model, wherein, described leading screw is trapezoidal screw.Adopt the benefit of trapezoidal screw to be, public skill is good, and root of the tooth intensity is high, and centering is good.
The operation principle of hole of the present utility model cover parts puller is: during work, first according to trepanning class accessory size size, and the Support Position of adjustment support bar; Rotating threaded shaft, until drag hook can be hooked to part, now rotates rotating nut to the certain pretightning force of drag hook, till making drag hook tightly can hook part; Promote rotating nut hole by swingle to rotate, thus drive leading screw to make the outside rectilinear motion in direction, power is passed to by leading screw and drag hook and is drawn part, under the continuous rotation of rotating nut, is drawn part slowly to be pulled out.
The utility model compared with prior art has following profitable effect:
1, machinery equipment is solved in maintenance process, a difficult problem for hole cover parts difficult dismounting inside hole.
2, building block is few, and structure is simple, is convenient to processing and fabricating; During use, promote rotating nut by swingle and rotate, easy and simple to handle; Can be applicable to dismantle various holes cover parts, versatility is good, practical.
Accompanying drawing explanation
The structural representation of a detailed description of the invention of Fig. 1 ~ Fig. 4 hole of the present utility model cover parts puller, wherein, Fig. 1 is front view, and Fig. 2 is right view, and Fig. 3 is top view, and Fig. 4 is stereogram.
Fig. 5 is the sectional view (partly cuing open figure) of rotatable mechanism part in Fig. 1 ~ Fig. 4.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
See Fig. 1 ~ Fig. 4, hole of the present utility model cover parts puller comprises leading screw 1, rotating nut 2, gripper shoe 6, support bar 8 and drag hook 12.Wherein, described drag hook 12 is arranged on the lower end of leading screw 1, and the upper end of leading screw 1 is through gripper shoe 6 and rotating nut 2.Described rotating nut 2 is arranged in gripper shoe 6 by rotatable mechanism, and this rotating nut 2 is provided with swingle 3.Described support bar 8 is many, and the upper end of this support bar 8 is fixedly connected in gripper shoe 6.
See Fig. 1 ~ Fig. 5, described rotatable mechanism comprises thrust bearing 5 and outer jump ring 7, wherein, described thrust bearing 5 and outer jump ring 7 are set on rotating nut, wherein, described thrust bearing 5 is positioned at the upside of gripper shoe 6, and described outer jump ring 7 is positioned at the downside of gripper shoe 6.By arranging described thrust bearing 5, reduce frictional resistance power when rotating nut 2 works, when can prevent puller from working, drag hook 12 rotates together with leading screw 1 simultaneously; By arranging described thrust bearing 5, reduce frictional resistance power when rotating nut 2 works, when can prevent puller from working, drag hook 12 rotates together with leading screw 1 simultaneously; The effect of described outer jump ring 7 is to prevent rotating nut 2, thrust bearing 5 comes off from gripper shoe 6 when not stressing.The upper end of described rotating nut 2 is provided with blind hole, and one end of described swingle 3 is inserted in this blind hole, to install and remove, easy to use; The lower end of described rotating nut 2 is provided with jump-ring slot, and described outer jump ring 7 is arranged in this jump-ring slot.
See Fig. 1 ~ Fig. 4, described gripper shoe 6 is provided with the link slot 6-1 for being connected with support bar 8, ledge structure is arranged in the upper end of described support bar 8, path part in this ledge structure is passed from described link slot 6-1, this path part is provided with external screw thread, it is connected with nut 4 and is fixed in gripper shoe 6 by support bar 8.By said structure, form the detachable structure of support bar 8, and the fixed position of support bar 8 can change in link slot 6-1 flexibly, thus adapt to different conditions of work.Particularly, described support bar 8 is three, and described gripper shoe 6 is triangular in shape, and described link slot 6-1 extends along the radial direction of gripper shoe 6; Three support bars 8 form stable triangular structure when working, and make gripper shoe 6 stress equalization, stablize.
See Fig. 1 ~ Fig. 4, the upper end of described leading screw 1 is provided with the through hole 1-1 radially running through leading screw 1, its role is to, and during work, wears a metal bar in this through hole 1-1, is rotated with rotating nut 2 by this metal bar restriction leading screw 1.The lower end of described leading screw 1 is connected with drag hook 12 by base 10, and wherein, the upper end of this base 10 is connected with leading screw 1, lower end is provided with the brace to downward-extension, described drag hook 12 is connected on this brace by pin 11, by this structure, achieves the connection of leading screw 1 and drag hook 12.Particularly, the upper end of described base 10 is provided with endoporus, the lower end of described leading screw 1 is cylinder and is inserted in this endoporus, the lower end of leading screw 1 is provided with connecting hole, linked together by the pin 9 be located in described connecting hole between described base 10 and leading screw 1, described connecting hole effect is to allow leading screw 1 be connected with base 10 by pin 9, thus compensate for each part assemble again after dimension chain error, more steady when puller is worked.The quantity of described drag hook 12 is three, makes to make during work stressed more balanced.
See Fig. 1 ~ Fig. 5, described leading screw 1 is trapezoidal screw 1, and adopt the benefit of trapezoidal screw 1 to be that public skill is good, root of the tooth intensity is high, and centering is good.In addition, other forms of leading screw 11 can also be adopted, such as rectangular thread, saw-tooth thread.
See Fig. 1 ~ Fig. 5, operation principle of the present utility model is: during work, first according to trepanning class accessory size size, and adjusts the position that three support bar 8 fulcrums are determined in the position of three support bars 8 in the link slot 6-1 of gripper shoe 6; Rotating threaded shaft 1, until drag hook can be hooked to part, now rotates rotating nut 2 to the certain pretightning force of drag hook 12, till making drag hook 12 tightly can hook part, to be inserted by swingle 3 in rotating nut 2 hole and to rotate around nut 12 axis.In the puller course of work, rotating nut 2 moves in a circle under thrust bearing 5 is auxiliary, the outside rectilinear motion in direction only made by leading screw 1, power is passed to drawn part by leading screw 1, pin 9, base 10, pin 11, drag hook 12, under the continuous rotation of rotating nut 2, part is drawn slowly to be pulled out.
Above-mentioned is the utility model preferably embodiment; but embodiment of the present utility model is not by the restriction of foregoing; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (10)
1. a hole cover parts puller, is characterized in that, comprises leading screw, rotating nut, gripper shoe, support bar and drag hook, and wherein, described drag hook is arranged on the lower end of leading screw, and the upper end of leading screw is through gripper shoe and rotating nut; Described rotating nut arranges on the supporting plate by rotatable mechanism, and this rotating nut is provided with swingle; Described support bar is many, and the upper end of this support bar is fixedly connected with on the supporting plate.
2. hole according to claim 1 cover parts puller, it is characterized in that, described rotatable mechanism comprises thrust bearing and outer jump ring, wherein, described thrust bearing and outer jump ring are set on rotating nut, wherein, described thrust bearing is positioned at the upside of gripper shoe, and described outer jump ring is positioned at the downside of gripper shoe.
3. hole according to claim 2 cover parts puller, it is characterized in that, the upper end of described rotating nut is provided with blind hole, and one end of described swingle is inserted in this blind hole; The lower end of described rotating nut is provided with jump-ring slot, and described outer jump ring is arranged in this jump-ring slot.
4. the hole cover parts puller according to any one of claims 1 to 3, it is characterized in that, described gripper shoe is provided with the link slot for being connected with support bar, ledge structure is arranged in the upper end of described support bar, path part in this ledge structure is passed from described link slot, this path part is provided with external screw thread, it is connected with nut and is fixed on the supporting plate by support bar.
5. hole according to claim 4 cover parts puller, is characterized in that, described support bar is three, and described gripper shoe is triangular in shape, and described link slot extends along the radial direction of gripper shoe.
6. hole according to claim 1 cover parts puller, is characterized in that, the upper end of described leading screw is provided with the through hole radially running through leading screw.
7. hole according to claim 6 cover parts puller, it is characterized in that, the lower end of described leading screw is connected with drag hook by base, wherein, the upper end of this base is connected with leading screw, and lower end is provided with the brace to downward-extension, and described drag hook is connected on this brace by pin.
8. hole according to claim 7 cover parts puller, it is characterized in that, the upper end of described base is provided with endoporus, the lower end of described leading screw is cylinder and is inserted in this endoporus, the lower end of leading screw is provided with connecting hole, is linked together between described base and leading screw by the pin be located in described connecting hole.
9. hole according to claim 8 cover parts puller, is characterized in that, the quantity of described drag hook is at least two.
10. hole according to claim 1 cover parts puller, is characterized in that, described leading screw is trapezoidal screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787135.2U CN204339711U (en) | 2014-12-11 | 2014-12-11 | A kind of hole cover parts puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787135.2U CN204339711U (en) | 2014-12-11 | 2014-12-11 | A kind of hole cover parts puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339711U true CN204339711U (en) | 2015-05-20 |
Family
ID=53223010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787135.2U Expired - Fee Related CN204339711U (en) | 2014-12-11 | 2014-12-11 | A kind of hole cover parts puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204339711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493779A (en) * | 2014-12-11 | 2015-04-08 | 华南农业大学 | Hole sleeve type part withdrawer |
-
2014
- 2014-12-11 CN CN201420787135.2U patent/CN204339711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493779A (en) * | 2014-12-11 | 2015-04-08 | 华南农业大学 | Hole sleeve type part withdrawer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20201211 |