CN211680745U - Anti-falling device of positioner - Google Patents
Anti-falling device of positioner Download PDFInfo
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- CN211680745U CN211680745U CN202020204087.5U CN202020204087U CN211680745U CN 211680745 U CN211680745 U CN 211680745U CN 202020204087 U CN202020204087 U CN 202020204087U CN 211680745 U CN211680745 U CN 211680745U
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- bolt
- positioner
- telescopic device
- upright post
- lifting workbench
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Abstract
The utility model provides a positioner anti-falling device. The device comprises a positioner upright post, a lifting workbench, a telescopic device and a bolt; the lifting workbench is sleeved on the upright post and can slide up and down along the length direction of the upright post; the telescopic device is arranged on the lifting workbench; the telescopic device is connected with one end of the bolt and is used for driving the bolt to move along the horizontal direction; the upper surface of the bolt other end has an inclination, the stand surface is equipped with the bolt hole with bolt upper surface inclination assorted, the bolt hole is equipped with a plurality ofly along stand length direction. The utility model discloses in, cooperate through the bolt hole on bolt and the machine stand of shifting to reach the purpose of preventing falling, the appearance is small, compact structure, and extensive applicability not only is applicable to the machine of shifting of lead screw structure, also is applicable to the machine of shifting of chain drive formula or other transmission methods equally.
Description
Technical Field
The utility model relates to a machine-building technical field, concretely relates to positioner anti-falling device.
Background
The anti-falling mechanism of the lead screw transmission type positioner is mainly characterized in that a scissor mechanism is arranged between a lead screw nut and a bearing nut, a blocking rod is arranged at the end part of the scissor mechanism, when the bearing nut fails, the distance between the two nuts becomes small, and the scissor mechanism moves to enable the blocking rod to be inserted between the blocking blocks beside the blocking rod to prevent a workbench from falling.
However, the structure requires a large installation space and is too small in application range. When the workbench falls, the falling speed of the workbench is high, the distance between the two nuts is small for reducing impact, the moving size of the scissor fork mechanism is small, the moving stroke of the blocking rod is limited, and the workbench cannot be reliably prevented from falling. And the form is only suitable for the positioner in a screw rod transmission form.
When the feed screw nut with the structure is worn, the two nuts are worn simultaneously, when the workbench falls, the distance between the nuts cannot be changed, and the blocking rod cannot play a role necessarily.
In summary, there is an urgent need for a fall protection device for a positioner to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioner anti-falling device to solve the problem that the positioner easily falls.
In order to realize the aim, the utility model provides a falling-proof device of a position changing machine, which comprises a position changing machine upright post, a lifting workbench, a telescopic device and a bolt; the lifting workbench is sleeved on the upright post and can slide up and down along the length direction of the upright post; the telescopic device is arranged on the lifting workbench; the telescopic device is connected with one end of the bolt and is used for driving the bolt to move along the horizontal direction; the bolt other end upper surface has the inclination, and the stand surface is equipped with the bolt hole with bolt upper surface inclination assorted, and the bolt hole is equipped with a plurality ofly along stand length direction.
Preferably, the lifting workbench is connected with a mounting seat, the mounting seat is provided with a through hole in the horizontal direction, and the bolt is slidably arranged in the through hole. The mounting seat plays a role in supporting and guiding the plug pin.
Preferably, the telescopic device is an electromagnet, and an iron core in the electromagnet is connected with the bolt through a connecting pin shaft; a spring is arranged in the electromagnet and connected with the iron core; the expansion of the spring is controlled by the power on and off of the electromagnet; the electromagnet is electrified, and the spring contracts to enable the bolt to move out of the upright post; when the electromagnet is powered off, the spring expands, so that the bolt is inserted into the bolt hole in the upright post.
As another preferred scheme, the telescopic device is an air cylinder, and a piston rod of the air cylinder is connected with the bolt.
As another preferred scheme, the telescopic device is an oil cylinder, and a piston rod of the oil cylinder is connected with the bolt.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in, make elevating platform rising and the in-process that stops through the telescoping device, the bolt is tight with stand surface top all the time, and when taking place to fall, the natural tension of telescoping device makes the bolt insert the most adjacent bolt hole on the machine stand of shifting, prevents that the machine of shifting from continuing to fall, can stop and carry out real-time protection with the state that rises to elevating platform, has improved the security performance.
(2) The utility model discloses in, the upper surface of bolt one end is the inclined plane, the shape and the phase-match in bolt hole on the machine stand of shifting, and elevating platform is at the in-process that rises, because the inclined plane on the bolt exists, can make the bolt follow bolt hole roll-off, does not influence elevating platform and continues to rise.
(3) The utility model discloses in, cooperate through the bolt hole on bolt and the machine stand of shifting to reach the purpose of preventing falling, the appearance is small, compact structure, and extensive applicability not only is applicable to the machine of shifting of lead screw structure, also is applicable to the machine of shifting of chain drive formula or other transmission methods equally.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of a fall arrest device;
FIG. 2 is a schematic structural diagram of a positioner;
FIG. 3 is a left side view of FIG. 2;
the device comprises a positioner upright post 1, a lifting workbench 2, an electromagnet 3, a connecting pin shaft 4, a mounting seat 5, a mounting seat 6 and a bolt.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 3, the anti-falling device of the positioner comprises a positioner upright post 1, a lifting workbench 2, a telescopic device and a bolt 6; the lifting workbench 2 is sleeved on the upright post, and the lifting workbench 2 can slide up and down along the length direction of the upright post; the telescopic device is arranged on the lifting workbench 2; the telescopic device is connected with one end of the bolt 6 and is used for driving the bolt 6 to move along the horizontal direction; the upper surface of the other end of the bolt 6 has an inclination, the surface of the upright post is provided with 6 holes matched with the inclination of the upper surface of the bolt 6, and the 6 holes of the bolt are provided with a plurality of bolts along the length direction of the upright post.
The lifting workbench 2 is connected with a mounting seat 5, the mounting seat 5 is provided with a through hole in the horizontal direction, and the bolt 6 is arranged in the through hole in a sliding manner. The mounting 5 supports and guides the bolt 6.
The telescopic device can be an electromagnet, an air cylinder or an oil cylinder, the telescopic device is preferably an electromagnet 3, and an iron core in the electromagnet 3 is connected with a bolt 6 through a connecting pin shaft 4; a spring is arranged in the electromagnet 3 and connected with the iron core; the electromagnet 3 is electrified, and the spring contracts to enable the bolt 6 to move out of the upright post; when the electromagnet 3 is powered off, the spring expands, and the bolt 6 is inserted into the bolt 6 hole in the upright post.
The working principle of the anti-falling device of the positioner is as follows:
when elevating platform 2 was in the state that rises, electro-magnet 3 was in the power-off state, and plug 6 is pushing up the 1 surface on machine of shifting stand, and when the plug jack was gone into to the plug hole, plug 6 can be followed the plug hole roll-off under the effect on inclined plane, did not influence elevating platform 2 and continues to rise. When the lifting workbench 2 falls down due to an accident, the bolt 6 is pushed into a bolt hole which is closest to the lower part of the bolt 6 under the action of the spring tension in the electromagnet 3, so that the workbench is prevented from continuously falling.
When the lifting workbench 2 is in a stop state, the electromagnet 3 is in a power-off state, and the bolt 6 is propped against the surface of the vertical column 1 of the positioner to prevent the lifting workbench 2 from continuously falling.
When the lifting workbench 2 is in a descending state, the electromagnet 3 is in an electrified state, the spring in the electromagnet 3 contracts, the bolt 6 is retracted, the bolt 6 cannot be in contact with the positioner upright post 1, and the descending of the lifting workbench 2 is not influenced.
The elevating platform of machine of shifting falls and all takes place rising and the stop state, and this structure can effectually prevent that the workstation from falling, protection product and personal safety.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The anti-falling device for the positioner is characterized by comprising a positioner upright post, a lifting workbench, a telescopic device and a bolt; the lifting workbench is sleeved on the upright post and can slide up and down along the length direction of the upright post; the telescopic device is arranged on the lifting workbench; the telescopic device is connected with one end of the bolt and is used for driving the bolt to move along the horizontal direction; the upper surface of the bolt other end has an inclination, the stand surface is equipped with the bolt hole with bolt upper surface inclination assorted, the bolt hole is equipped with a plurality ofly along stand length direction.
2. The anti-falling device for the positioner as claimed in claim 1, wherein the lifting workbench is connected with a mounting seat, the mounting seat is provided with a through hole in the horizontal direction, and the bolt is slidably arranged in the through hole.
3. The anti-falling device of the positioner as claimed in claim 2, wherein the telescopic device is an electromagnet, and an iron core in the electromagnet is connected with the bolt through a connecting pin; a spring is arranged in the electromagnet and connected with the iron core; the expansion of the spring is controlled by the power on and power off of the electromagnet.
4. The anti-falling device for the positioner as claimed in claim 2, wherein the telescopic device is a cylinder, and a piston rod of the cylinder is connected with the bolt.
5. The anti-falling device for the positioner as claimed in claim 2, wherein the telescopic device is an oil cylinder, and a piston rod of the oil cylinder is connected with the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204087.5U CN211680745U (en) | 2020-02-25 | 2020-02-25 | Anti-falling device of positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204087.5U CN211680745U (en) | 2020-02-25 | 2020-02-25 | Anti-falling device of positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211680745U true CN211680745U (en) | 2020-10-16 |
Family
ID=72776398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020204087.5U Active CN211680745U (en) | 2020-02-25 | 2020-02-25 | Anti-falling device of positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211680745U (en) |
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2020
- 2020-02-25 CN CN202020204087.5U patent/CN211680745U/en active Active
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