CN203210301U - Tool for dismantling taper pin with internal threads - Google Patents
Tool for dismantling taper pin with internal threads Download PDFInfo
- Publication number
- CN203210301U CN203210301U CN 201320165670 CN201320165670U CN203210301U CN 203210301 U CN203210301 U CN 203210301U CN 201320165670 CN201320165670 CN 201320165670 CN 201320165670 U CN201320165670 U CN 201320165670U CN 203210301 U CN203210301 U CN 203210301U
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- pin
- taper
- internal threads
- pull head
- taper pin
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Abstract
Disclosed is a tool for dismantling a taper pin with internal threads. A sliding weight is arranged on a small cylinder of a pin puller rod and is arranged to be large clearance fit with the small cylinder, and a handle is welded on the upper end of the pin puller rod; a pull head is screwed down on a stud at the small cylinder end of the pin puller rod, the small end of the pull head is a stud with the same threads as the screw hole threads of the taper pin with the internal threads, the large end cylinder of the pin puller rod is provided with a hole, and the hole is perpendicular to the large end cylinder and passes through the axis of the large end cylinder. A user can select a pull head according to the screw hole of the taper pin with the internal threads to be dismantled, screws the stud in the screw hole, holds the sliding weight by hand and hammers upwards on the end surface of a large cylinder of the pin puller rod forcefully, and then can dismantle the taper pin with the internal threads quickly and reliably. The tool for dismantling the taper pin with the internal threads has the advantages that various taper pins with internal threads can be conveniently, rapidly and reliably dismantled simply by configuring a corresponding pull head according to specifications of the taper pins with the internal threads. The tool for dismantling the taper pin with the internal threads is simple in operation, reliable in performance and particularly suitable for the dismantling of mass taper pins with internal threads.
Description
Technical field
The utility model relates to hardware ﹠ tools, especially tears the taper pin with internal thread instrument open.
Background technology
Taper bolt is securing member commonly used in the machine-building, generally cooperates with bolt to be used for being connected of two parts.After being close to, the faying face that it is vertically mounted on two parts together in the taper hole of articulation, needs 2 taper bolts at regular intervals usually.Because taper bolt and taper hole can be realized not having the gap and cooperate, so that the relative position of two parts fixed uniquely.Ressemble after the dismounting, can recover the fixing relative position of two parts exactly by taper bolt.The dismounting of taper bolt generally is it to be launched from its small end with the cylinder instrument, for the taper bolt that is contained in obstructed circular cone pin-and-hole or can't launch from its small end by design of part restriction, just adopt taper pin with internal thread, the big end of this taper bolt has screwed hole, taper bolt is pulled out by screwed hole with corresponding bolt and backing plate.But there are some problems in this method: 1, the concrete structure according to two part combinations will be equipped with bolt and the backing plate that adapts, and the instrument of rotating bolt; 2, because the reach of taper pin with internal thread is limited, the diameter of thread is less, and screw thread may be damaged in unloading process; 3, the take-down time is slower, incompatible than the dismounting of taper pin with internal thread in enormous quantities.
Summary of the invention
The purpose of this utility model provides a kind of taper pin with internal thread instrument of tearing open, can dismantle taper pin with internal thread easily and fast reliably.
The technical scheme that its technical problem that solves the utility model adopts is: knock the pin removal bar that pull head is housed with sliding hammer, utilize to be contained in the taper pin with internal thread screw double-screw bolt on the pull head it is extracted.Extracting tool is made up of pin removal bar, sliding hammer and pull head, and sliding hammer is contained on the small column of pin removal bar, and the cooperation pin removal bar upper end bigger for the gap is welded with handgrip; Pull head is tightened on the double-screw bolt of pin removal bar roundlet styletable, and the small end of pull head is the double-screw bolt identical with taper pin with internal thread screw screw thread, and the big end cylinder of pin removal bar has vertically and pass through the hole of its axis.Be screwed in wherein according to the screw selection pull head of the taper pin with internal thread that will dismantle and its double-screw bolt, hold the sliding big column end face of hammering the pin removal bar of firmly upwards thumping into shape, can pull down taper pin with internal thread fast and reliablely.
The advantage of originally tearing the taper pin with internal thread instrument open is: the specification according to taper pin with internal thread disposes corresponding pull head, just can dismantle multiple taper pin with internal thread easily and fast reliably.This inner screw taper pin dismounting tool dependable performance simple to operate, the special dismounting that adapts to taper pin with internal thread in enormous quantities.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the installation diagram of tearing the taper pin with internal thread instrument open.
Fig. 2 is the A-A profile of Fig. 1.
1. taper pin with internal threads among the figure, 2. base, 3. loam cake, 4. pull head, 5. sliding hammer, 6. pin removal bar, 7. handgrip.
The specific embodiment
With reference to accompanying drawing, sliding hammer (5) is contained on the small column of pin removal bar (6), is the bigger cooperation in gap, and the upper end of pin removal bar (6) is welded with handgrip (7).The small column of the boring ratio pin removal bar (6) of general sliding hammer (5) is big 1～2 millimeter.There is chamfering the upper end in the hole that sliding hammer (5) cooperates with pin removal bar (6) small column.For easy to operate, pin removal bar (6) is held cylinder, sliding hammer (5) periphery annular knurl greatly.Pull head (4) is tightened on the double-screw bolt of pin removal bar (6) roundlet styletable, and the big end of pull head (4) is regular hexahedron, and the radial section of the hex nut that its radial section and its internal thread are measure-alike is consistent.The small end of pull head (4) is the double-screw bolt identical with taper pin with internal thread (1) screw screw thread, pin removal bar (6) holds cylinder to have vertically and pass through the hole of its axis greatly, its effect is to cooperate with six sides of the big end of pull head (4) with the cylinder that injects this hole to make the relative rotation with pin removal bar (6) of pull head (4), thereby change pull head (4), make instrument can dismantle the taper pin with internal thread of plurality of specifications (1).For prolonging the service life of instrument, pin removal bar (6), sliding hammer (5), pull head (4) adopt can the manufacturing of heat treated high-quality steel and they are heat-treated: pin removal bar (6) and pull head (4), modified 29-34HRC, sliding hammer (5) quenching 45～50HRC.Part loam cake (3), base (2) link together with bolt and taper pin with internal thread (1).Select pull head (4) and its double-screw bolt is screwed in the screw according to the screw of the taper pin with internal thread that will dismantle (1), hold firmly the thump big column end face of pin removal bar (6) of sliding hammer (5), can pull down taper pin with internal thread (1) fast and reliablely.Backing out bolt just can separate loam cake (3) with base (2).
The LM24-2C rubber roll husker is to use more hulling machine in the market, the axis designs in the main shaft bearing shell hole of the gear-box of this hulling machine is on the faying face of base (2) and loam cake (3), therefore before processing, just must base (2) and loam cake (3) be fitted together this hole of processing with bolt and taper pin with internal thread (1), again they are taken apart during assembling, so the workload of dismounting taper pin with internal thread (1) is bigger, the method efficient of taper pin with internal thread (1) being pulled out with bolt and backing plate is low, and dismounting is easily with its internal thread damage repeatedly.After the taper pin with internal thread instrument is torn in employing open, pull pin with the knocking mode, speed is fast.Because it is longer that the double-screw bolt of pull head (4) screws in the taper pin with internal thread screw, so the Shi Buhui damage screw of pulling pin.
Claims (2)
1. tear the taper pin with internal thread instrument open for one kind, be made up of pin removal bar, sliding hammer and pull head, it is characterized in that: sliding hammer is contained on the small column of pin removal bar, is matched in clearance, and pin removal bar upper end is welded with handgrip; Pull head is tightened on the double-screw bolt of pin removal bar roundlet styletable, and the small end of pull head is the double-screw bolt identical with taper pin with internal thread screw screw thread, and the big end cylinder of pin removal bar has vertically and pass through the hole of its axis.
2. the taper pin with internal thread instrument of tearing open according to claim 1 is characterized in that: there is chamfering the upper end in the hole that sliding hammer cooperates with pin removal bar small column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165670 CN203210301U (en) | 2013-04-03 | 2013-04-03 | Tool for dismantling taper pin with internal threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165670 CN203210301U (en) | 2013-04-03 | 2013-04-03 | Tool for dismantling taper pin with internal threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210301U true CN203210301U (en) | 2013-09-25 |
Family
ID=49199873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165670 Expired - Fee Related CN203210301U (en) | 2013-04-03 | 2013-04-03 | Tool for dismantling taper pin with internal threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210301U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148922A (en) * | 2014-07-25 | 2014-11-19 | 淮南郑煤机舜立机械有限公司 | Workpiece detaching device |
| CN104589269A (en) * | 2015-01-13 | 2015-05-06 | 哈尔滨飞机工业集团有限责任公司 | Method for mounting and fetching of conical pin in tooling |
| CN104842314A (en) * | 2015-06-01 | 2015-08-19 | 湖北中烟工业有限责任公司 | Special-purpose tool for detaching common tapered cotters |
| CN107598838A (en) * | 2017-10-19 | 2018-01-19 | 天津王朝包装印刷制品有限公司 | A kind of pin removal for being used to repair |
| CN108908209A (en) * | 2018-09-14 | 2018-11-30 | 北京遥感设备研究所 | A kind of circular cone pin removal device and method |
-
2013
- 2013-04-03 CN CN 201320165670 patent/CN203210301U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148922A (en) * | 2014-07-25 | 2014-11-19 | 淮南郑煤机舜立机械有限公司 | Workpiece detaching device |
| CN104148922B (en) * | 2014-07-25 | 2017-02-15 | 淮南郑煤机舜立机械有限公司 | Workpiece detaching device |
| CN104589269A (en) * | 2015-01-13 | 2015-05-06 | 哈尔滨飞机工业集团有限责任公司 | Method for mounting and fetching of conical pin in tooling |
| CN104589269B (en) * | 2015-01-13 | 2016-08-24 | 哈尔滨飞机工业集团有限责任公司 | In a kind of frock, taper pin is mounted and taken out method |
| CN104842314A (en) * | 2015-06-01 | 2015-08-19 | 湖北中烟工业有限责任公司 | Special-purpose tool for detaching common tapered cotters |
| CN107598838A (en) * | 2017-10-19 | 2018-01-19 | 天津王朝包装印刷制品有限公司 | A kind of pin removal for being used to repair |
| CN108908209A (en) * | 2018-09-14 | 2018-11-30 | 北京遥感设备研究所 | A kind of circular cone pin removal device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140403 |