CN212744630U - Stable round pin axle positioner - Google Patents
Stable round pin axle positioner Download PDFInfo
- Publication number
- CN212744630U CN212744630U CN202021203444.2U CN202021203444U CN212744630U CN 212744630 U CN212744630 U CN 212744630U CN 202021203444 U CN202021203444 U CN 202021203444U CN 212744630 U CN212744630 U CN 212744630U
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- China
- Prior art keywords
- round pin
- pin axle
- connecting plate
- seted
- groove
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Abstract
The utility model relates to a round pin axle technical field, aim at providing a stable round pin axle positioner, its technical scheme main points are including first connecting plate, second connecting plate and round pin axle, round pin shaft hole has all been seted up with the second connecting plate to first connecting plate, the sliding tray has been seted up to the surface of first connecting plate in the top in round pin shaft hole, sliding connection has the locating lever in the sliding tray, fixedly connected with spring between the top of locating lever and the top of sliding tray, the constant head tank has been seted up to the one end of round pin axle, the other end of round pin axle has been seted up vertical and has been run through its upper surface's spacing groove, sliding connection has the gag lever post in the spacing groove, the spread groove has been seted up to the inside of round pin axle, sliding connection has the actuating lever in the spread groove, the one end of actuating lever. The utility model discloses can effectively promote the stability of round pin axle.
Description
Technical Field
The utility model relates to a round pin axle technical field, more specifically says, it relates to a stable round pin axle positioner.
Background
The tower crane, called tower crane for short, also called tower crane, originated from western europe, has a large operation space, is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction, and is composed of a metal structure, a working mechanism and an electrical system, wherein the metal structure comprises a tower body, a movable arm, a base and the like, the working mechanism has four parts of lifting, amplitude changing, rotation and walking, and the electrical system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.
At present, a tower crane upper support and a rotary tower body are generally connected through a pin shaft, split pins or vertical pins are generally inserted into two ends of the pin shaft after the pin shaft is driven into a pin shaft hole, the pin shaft is loosened along with the change of load in a fixing mode, the fixing effect of the pin shaft is influenced, and even the pin shaft falls off to cause safety accidents.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a stable round pin axle positioner.
In order to achieve the above purpose, the utility model provides a following technical scheme: a stable pin shaft positioning device comprises a first connecting plate, a second connecting plate and a pin shaft, wherein the first connecting plate and the second connecting plate are respectively provided with a pin shaft hole for the pin shaft to pass through, the outer surface of the first connecting plate is positioned above the pin shaft hole and is provided with a vertical sliding groove, a positioning rod is connected in the sliding groove in a sliding way, a spring is fixedly connected between the top end of the positioning rod and the top of the sliding groove, one end of the pin shaft is provided with a positioning groove for the positioning rod to insert, the other end of the pin shaft is provided with a limiting groove which is vertical and penetrates through the upper surface of the pin shaft, a limiting rod is connected in the limiting groove in a sliding way, a horizontally arranged connecting groove is arranged in the pin shaft, the connecting groove is communicated with the positioning groove and the limiting groove, a driving rod is connected in the connecting groove in a, the other end of the limiting rod is an inclined plane which is parallel to and abutted against the bottom end of the limiting rod.
Through adopting above-mentioned technical scheme, when installing the work, with first connecting plate and second connecting plate respectively fixed mounting in the both sides that need carry out the work piece fixed, and through with locating lever rebound, and insert the round pin axle hole and pass the work piece, through loosening the locating lever, make the locating lever enter into the constant head tank, under the effect of spring elasticity, under the effect through the actuating lever, drive gag lever post upward movement, make the gag lever post stretch out the surface of spacing groove and lie in the second connecting plate, with further play limiting displacement to the round pin axle, with guarantee its stability, when dismantling it, mention the locating lever, and push into the spacing inslot with the gag lever post, just can take out the round pin axle, the dismouting efficiency has been promoted greatly.
The utility model discloses further set up to: the inner wall in round pin shaft hole is provided with a plurality of joint pieces along its circumferencial direction, and the circumference lateral wall of round pin axle is fixed to be seted up and supplies the joint groove that joint piece card is gone into.
Through adopting above-mentioned technical scheme, through setting up joint piece joint groove, further promote the stability of round pin axle, prevent that the round pin axle from taking place to deflect.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic structural view of the first connecting plate and the pin.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 2.
A stable pin shaft positioning device comprises a first connecting plate 1, a second connecting plate 2 and a pin shaft 3, wherein the first connecting plate 1 and the second connecting plate 2 are both provided with a pin shaft 3 hole for the pin shaft 3 to pass through, the outer surface of the first connecting plate 1 is positioned above the pin shaft 3 hole and is provided with a vertical sliding groove 4, the sliding groove 4 is internally and slidably connected with a positioning rod 5, a spring 6 is fixedly connected between the top end of the positioning rod 5 and the top of the sliding groove 4, one end of the pin shaft 3 is provided with a positioning groove 7 for the positioning rod 5 to insert, the other end of the pin shaft 3 is provided with a limiting groove 8 which is vertical and penetrates through the upper surface of the pin shaft, the limiting groove 8 is internally and slidably connected with a limiting rod 9, the inside of the pin shaft 3 is provided with a horizontally arranged connecting groove 10, the connecting groove 10 is communicated with the positioning groove 7 and the limiting groove 8, the other end of the limiting rod is an inclined plane which is parallel to and abutted against the bottom end of the limiting rod 9.
When carrying out installation work, with first connecting plate 1 and second connecting plate 2 respectively fixed mounting in the both sides that need carry out the work piece fixed, and through upwards moving locating lever 5, and insert round pin axle 3 hole and pass the work piece with round pin axle 3, through loosening locating lever 5, make locating lever 5 enter into constant head tank 7, under the effect of 6 spring forces of spring, through actuating lever 11 effect down, drive gag lever post 9 upward movement, make gag lever post 9 stretch out spacing groove 8 and be located the surface of second connecting plate 2, in order further to play limiting displacement to round pin axle 3, in order to guarantee its stability, when dismantling it, mention locating lever 5, and push into spacing groove 8 with gag lever post 9, just can take out round pin axle 3, the dismouting efficiency has been promoted greatly.
The inner wall in 3 holes of round pin axle is along its circumferencial direction fixedly connected with a plurality of joint pieces 12, and the fixed joint groove 13 that supplies joint piece 12 card to go into of circumference lateral wall of round pin axle 3 has been seted up, through setting up joint piece 12 joint groove 13, further promotes the stability of round pin axle 3, prevents that round pin axle 3 from taking place to deflect.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the ordinary changes and replacements performed by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a stable round pin axle positioner, includes first connecting plate, second connecting plate and round pin axle, the round pin shaft hole that supplies the round pin axle to pass, characterized by are all offered to first connecting plate and second connecting plate: the surface of first connecting plate is located the top in round pin shaft hole and has seted up vertical sliding tray, sliding tray sliding connection has the locating lever, the top of locating lever with fixedly connected with spring between the top of sliding tray, the confession has been seted up to the one end of round pin axle the locating lever male constant head tank, the spacing groove vertical and running through its upper surface is seted up to the other end of round pin axle, sliding connection has the gag lever post in the spacing groove, the spread groove that has the level to set up is seted up to the inside of round pin axle, the spread groove communicate in constant head tank and spacing groove, sliding connection has the actuating lever in the spread groove, the one end of actuating lever is the inclined plane of parallel and butt with the bottom of locating lever, and its other end is the inclined plane of parallel.
2. The stabilized pin locator of claim 1, further comprising: the inner wall in round pin shaft hole is provided with a plurality of joint pieces along its circumferencial direction, the both ends circumference lateral wall of round pin axle is fixed to be seted up and is supplied the joint groove that joint piece card is gone into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203444.2U CN212744630U (en) | 2020-06-24 | 2020-06-24 | Stable round pin axle positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203444.2U CN212744630U (en) | 2020-06-24 | 2020-06-24 | Stable round pin axle positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744630U true CN212744630U (en) | 2021-03-19 |
Family
ID=75011007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021203444.2U Active CN212744630U (en) | 2020-06-24 | 2020-06-24 | Stable round pin axle positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744630U (en) |
-
2020
- 2020-06-24 CN CN202021203444.2U patent/CN212744630U/en active Active
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