CN211056589U

CN211056589U - Adsorption fastening type screw jack

Info

Publication number: CN211056589U
Application number: CN201922071872.8U
Authority: CN
Inventors: 杨春杰; 石其年; 于小湖; 云丰泽; 张天义; 吴畅; 王煜琪
Original assignee: Hubei Polytechnic University
Current assignee: Hubei Polytechnic University
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-21
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an adsorb fastening formula screw jack, including the base, fixed pipe fitting is installed at the top of base, and the bolt hole has been seted up to the inside central authorities of brace table, and the electro-magnet sucking disc is still installed to brace table's inside, installs the electromagnetic circuit board between fixed pipe fitting and the base, and fixed pipe fitting is provided with the potential switch on the inner wall of screw, is provided with the contact switch corresponding with the potential switch on the bottom surface of sliding screw, and the power is all installed to the inside both sides bottom of base. The utility model discloses can make the top surface of brace table have the absorbent effect of electro-magnet after the sliding screw upward movement, can adsorb the ironworks work piece that is located the brace table top surface, compare general screw jack, have the effect of only adsorbing the article, prevent the unexpected landing of article on the support table face, bearing structure is more firm, makes things convenient for people's use.

Description

Adsorption fastening type screw jack

Technical Field

The utility model relates to a jack-up machine tool, in particular to adsorb fastening formula screw jack.

Background

The screw jack is also called mechanical jack, it is driven by manpower through screw pair, the screw or nut socket is used as jacking piece, the common screw jack supports heavy object by screw self-locking action, the structure is simple, but the transmission efficiency is low, the return stroke is slow, and the existing screw jack only has the function of supporting object, the object is supported on the table top of the jack, because the supporting table top area is smaller, the supporting structure is easy to be unstable.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide an adsorb fastening screw jack, can make a supporting bench's top surface have the adsorbed effect of electro-magnet after the sliding screw upward movement, can adsorb the ironworks work piece that is located a supporting bench top surface, compare general screw jack, have the effect of adsorbing the article only, prevent the unexpected landing of article on the supporting bench face, bearing structure is more firm, makes things convenient for people's use.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an adsorption fastening type screw jack, which comprises a base, wherein a fixed pipe fitting is installed at the top of the base, a vertically downward screw hole is arranged inside the fixed pipe fitting, the bottom end of the screw hole penetrates through the fixed pipe fitting and extends to the inner bottom surface of the base, a sliding screw is installed inside the screw hole, a thread groove is arranged on the outer surface of the sliding screw, a support table is installed at the top end of the sliding screw, a rotating rod is installed between the sliding screw and the support table, a bolt hole is arranged at the center inside of the support table, an electromagnet sucker is also installed inside the support table, an electromagnetic circuit board is installed between the fixed pipe fitting and the base, a potential switch is arranged on the inner wall of the fixed pipe fitting facing the screw hole, a contact switch corresponding to the potential switch is arranged on the outer surface, the power is all installed to the inside both sides bottom of base, the pressure spring is installed to the bottom of sliding screw, the bottom of pressure spring is connected with the pressure sensor who is located the power top through the electricity connecting wire.

As an optimal technical scheme of the utility model, electromagnetic circuit board and power electric connection.

As an optimal technical scheme of the utility model, sliding screw's internally mounted has the electric connection line, and contact switch passes through the electric connection line and props up the interior electro-magnet sucking disc electric connection of a supporting bench.

As an optimal technical scheme of the utility model, the sliding screw passes through thread groove and screw threaded connection.

As an optimized technical scheme of the utility model, electromagnetic circuit board and potential switch electric connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses can make the top surface of brace table have the absorbent effect of electro-magnet after the sliding screw upward movement, can adsorb the ironworks work piece that is located the brace table top surface, compare general screw jack, have the effect of only adsorbing the article, prevent the unexpected landing of article on the support table face, bearing structure is more firm, makes things convenient for people's use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure of the present invention;

in the figure: 1. a base; 2. fixing the pipe fitting; 3. a screw hole; 4. a sliding screw; 5. a thread groove; 6. a support table; 7. rotating the rod; 8. a pin hole; 9. an electromagnet chuck; 10. an electromagnetic circuit board; 11. a potential switch; 12. a contact switch; 13. a power source; 14. a pressure spring; 15. a pressure sensor.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

As shown in figure 1, the utility model provides an adsorption fastening type screw jack, which comprises a base 1, a fixed pipe fitting 2 is arranged at the top of the base 1, a vertically downward screw hole 3 is arranged inside the fixed pipe fitting 2, the bottom end of the screw hole 3 penetrates through the fixed pipe fitting 2 and extends to the inner bottom surface of the base 1, a sliding screw 4 is arranged inside the screw hole 3, a thread groove 5 is arranged on the outer surface of the sliding screw 4, a support table 6 is arranged at the top end of the sliding screw 4, a rotating rod 7 is arranged between the sliding screw 4 and the support table 6, a bolt hole 8 is arranged at the center inside of the support table 6, an electromagnet suction cup 9 is also arranged inside the support table 6, an electromagnetic circuit board 10 is arranged between the fixed pipe fitting 2 and the base 1, a potential switch 11 is arranged on the inner wall of the fixed pipe fitting 2 facing the screw hole 3, a contact switch 12 corresponding, the power supply 13 is installed inside the bottom ends of the two sides of the base 1, the pressure spring 14 is installed at the bottom end of the sliding screw rod 4, the bottom end of the pressure spring 14 is connected with the pressure sensor 15 located at the top end of the power supply 13 through an electric connecting line, and the detection end line of the pressure sensor 15 is connected with the pressure spring 14.

Further, the electromagnetic circuit board 10 is electrically connected with a power supply 13, and the power supply 13 supplies power to the electromagnetic circuit board 10.

The internally mounted of sliding screw 4 has the electricity connecting wire, and contact switch 12 passes through the electricity connecting wire and props up 9 electric connection of electro-magnet sucking disc in the supporting bench 6, after sliding screw 4 is rotating dwang 7 through external acting force, because the effect of screw thread makes sliding screw 4 upwards slide, the contact switch 12 and the potential switch 11 contact back of sliding screw 4 surface, can make intercommunication between electro-magnet sucking disc 9 and the electromagnetic circuit board 10, for electro-magnet sucking disc 9 power supply, make the top surface of supporting bench 6 have the absorptive effect of electro-magnet, can adsorb the ironworks work piece that is located supporting bench 6 top surface.

The sliding screw rod 4 is in threaded connection with the screw hole 3 through the thread groove 5, and the sliding screw rod 4 can slide upwards under the action of threads through external acting force such as a manual rotating rod 7, so that the supporting table 6 is displaced upwards, and meanwhile, the sliding screw rod cannot fall downwards under the action of the threads.

Electromagnetic circuit board 10 and electric potential switch 11 electric connection, after the upwards motion of sliding screw 4, because the effect of the rotation of sliding screw 4 for a plurality of contact switch 12 can rotate the back and corresponding and contact with electric potential switch 11, make electromagnetic circuit board 10 pass through electric connection line inside electric potential switch 11, contact switch 12 and sliding screw 4 after and the electric electromagnet sucking disc 9 electricity connection in the brace table 6.

Specifically, when the screw jack is used for supporting five pieces, firstly, the sliding screw rod 4 can slide upwards under the action of the screw thread through external acting force, such as the rotating rod 7 is manually rotated, so that the supporting table 6 can move upwards, meanwhile, the sliding screw rod 4 cannot fall downwards under the action of the screw thread, after the sliding screw rod 4 moves upwards, the plurality of contact switches 12 can rotate and then correspond to and contact with the potential switch 11 under the action of the self-rotation of the sliding screw rod 4, so that the electromagnetic circuit board 10 is electrically connected with the electromagnet sucker 9 in the supporting table 6 after passing through the potential switch 11, the contact switch 12 and an electric connecting wire inside the sliding screw rod 4, so that the top surface of the supporting table 6 has the function of electromagnet adsorption, can adsorb steel product workpieces on the top surface of the supporting table 6, has the function of only adsorbing the objects compared with a common screw jack, and prevents the objects from accidentally falling off, when the sliding screw 4 is subjected to a large pressure, the pressure spring 14 at the bottom transmits the pressure to the detection connecting line of the pressure sensor 15, and the bearing pressure can be roughly estimated through the pressure sensor 15.

The utility model discloses can make brace table 6's top surface have the absorbent effect of electro-magnet after 4 upward movements of sliding screw, can adsorb the ironworks work piece that is located brace table 6 top surface, compare general screw jack, have the effect of only adsorbing the article, prevent the unexpected landing of article on the support table face, bearing structure is more firm, makes things convenient for people's use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. An adsorption fastening type screw jack comprises a base (1) and is characterized in that a fixed pipe fitting (2) is installed at the top of the base (1), a vertically downward screw hole (3) is formed in the fixed pipe fitting (2), the bottom end of the screw hole (3) penetrates through the fixed pipe fitting (2) and extends to the inner bottom surface of the base (1), a sliding screw (4) is installed inside the screw hole (3), a thread groove (5) is formed in the outer surface of the sliding screw (4), a supporting table (6) is installed at the top end of the sliding screw (4), a rotating rod (7) is installed between the sliding screw (4) and the supporting table (6), a bolt hole (8) is formed in the center of the inside of the supporting table (6), an electromagnet sucking disc (9) is further installed inside the supporting table (6), and an electromagnetic circuit board (10) is installed between the fixed pipe fitting (2) and the base (1), fixed pipe fitting (2) are provided with potential switch (11) on the inner wall towards screw (3), be provided with on the bottom surface of sliding screw (4) with potential switch (11) corresponding contact switch (12), power (13) are all installed to the inside both sides bottom of base (1), pressure spring (14) are installed to the bottom of sliding screw (4), the bottom of pressure spring (14) is connected with pressure sensor (15) that are located power (13) top through the electricity connecting wire.

2. The suction-fastened screw jack of claim 1, wherein said electromagnetic circuit board (10) is electrically connected to a power source (13).

3. The suction-fastened screw jack according to claim 1, wherein the slide screw (4) has an electrical connection wire mounted therein, and the contact switch (12) is electrically connected to the electromagnet chuck (9) in the support table (6) via the electrical connection wire.

4. The suction-fastening screw jack of claim 1, wherein the sliding screw (4) is screwed with the screw hole (3) through a screw groove (5).

5. The suction-fastening screw jack of claim 1, wherein the electromagnetic circuit board (10) is electrically connected to the potential switch (11).