CN213060006U

CN213060006U - Mechanical small jack for mechanical maintenance

Info

Publication number: CN213060006U
Application number: CN202021490513.2U
Authority: CN
Inventors: 付建军
Original assignee: Yangling Vocational and Technical College
Current assignee: Yangling Vocational and Technical College
Priority date: 2020-07-26
Filing date: 2020-07-26
Publication date: 2021-04-27
Anticipated expiration: 2030-07-26

Abstract

The utility model provides a small-size jack of mechanical type for mechanical maintenance of structural design is novel, including base and crank, it has first lift seat to peg graft on the outer wall at base top, and pegs graft on the outer wall at first lift seat top has the second to go up and down the seat, has seted up first ring channel on the lateral wall of first lift seat, and rotates through the bearing on the inner wall of first ring channel one side and be connected with the swivel becket, and the slot has all been seted up to the both sides of swivel becket top outer wall, has seted up the second ring channel on the inner wall at first ring channel top. The utility model discloses rotatory rotating ring can make the lift of the little range of screw thread between second lift seat and the rotating ring, need not maintenance personal and comes out from the maintenance environment and rotate the crank, has improved the practicality of this jack, and it is more convenient to use, and the flexible power of spring can make the inserted block peg graft in the inside of slot, and then can fix the rotating ring, can prevent that the rotating ring word from rotating by oneself and drive the rotating ring and descend by oneself.

Description

Mechanical small jack for mechanical maintenance

Technical Field

The utility model belongs to the technical field of the jack technique and specifically relates to a small-size jack of mechanical type for mechanical maintenance.

Background

The jack is a mechanical device for realizing heavy object lifting, is mostly applied to working occasions such as machine maintenance, support and the like, and the common jacks have hydraulic and mechanical types, and the hydraulic jack has the advantages that overload protection is easy to realize, hydraulic equipment can automatically lubricate, and the service life of the equipment is prolonged; the hydraulic jack has limited lifting height and slow lifting speed, the defects limit the wide application of the hydraulic jack, and the mechanical jack can be divided into a rack type jack and a spiral type jack.

The existing jack is a relatively common structure, the jack lacks a fine adjustment structure, when a maintenance worker enters a maintenance environment, the height of the jack needs to be adjusted from the maintenance environment, and the jack does not have a function of fixing a rotating rod, so that the rotating rod automatically rotates after receiving gravity, and therefore a mechanical small jack for mechanical maintenance is needed urgently.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, adapts to reality needs, provides a structural design is novel a small-size jack of mechanical type for mechanical maintenance.

In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:

a mechanical small jack for mechanical maintenance is designed, which comprises a base and a crank, wherein a first lifting seat is inserted on the outer wall of the top of the base, and the outer wall of the top of the first lifting seat is inserted with a second lifting seat, the outer side wall of the first lifting seat is provided with a first annular groove, and the inner wall of one side of the first annular groove is rotatably connected with a rotating ring through a bearing, the two sides of the outer wall of the top of the rotating ring are both provided with slots, the inner wall of the top of the first annular groove is provided with a second annular groove, and the inside of the second annular groove is connected with a movable plate in a sliding way, the two sides of the outer wall of the bottom of the movable plate are welded with inserting blocks inserted in the inserting grooves, and the inner wall at the top of the second annular groove is welded with a spring connected with the insert block, the outer walls of two sides of the second annular groove are provided with movable grooves, and the movable plates are connected inside the movable grooves in a sliding manner.

The outer wall of the top of the first lifting seat is provided with a circular groove, the second lifting seat is in threaded connection with the circular groove, and the inner side wall of the rotating ring inside the circular groove is provided with a connecting thread in threaded connection with the second lifting seat.

The outer wall of base one side is gone up and is connected with the runner through the bearing rotation, and the one end welding that the runner is located the base inside has first conical gear, rotate through the bearing on the inner wall of base bottom and be connected with the lifting screw, and the bottom welding of lifting screw has the second conical gear who meshes mutually with first conical gear.

The outer wall of one side of the first bevel gear is in threaded connection with a fixing screw rod, the outer side wall of the lifting screw rod, which is close to the second bevel gear, is provided with threaded holes distributed in an equidistant structure, and the fixing screw rod is in threaded connection with the inner part of the threaded holes.

Tooth sockets are formed in one end, located outside the base, of the rotating pipe, and tooth-shaped wheels inserted inside the tooth sockets are welded on the outer wall of one side of the crank.

Set up on the inside wall of first lift seat and be threaded connection's transmission screw with the lifting screw, the outer wall both sides at base top all begin there is the spacing groove, and all welds the stopper that slides at the spacing inslot portion on the outer wall of first lift seat both sides.

The outer wall at the top of the second lifting seat is welded with a top seat, and a rubber pad is arranged on the outer wall at the top of the top seat.

The beneficial effects of the utility model reside in that:

(1) this design utilizes first ring channel and swivel becket, and rotatory swivel becket can make the lift of the little range of screw thread between second lift seat and the swivel becket, need not maintenance personal and comes out from the maintenance environment and rotates the crank, has improved the practicality of this jack, and it is more convenient to use.

(2) This design utilizes movable groove, spring, inserted block and slot, and the flexible power of spring can make the inserted block peg graft in the inside of slot, and then can fix the rotating-ring, can prevent that the rotating-ring word from rotating by oneself and driving the rotating-ring and descend by oneself, has improved stability.

(3) This design utilizes lifting screw, commentaries on classics pipe, first conical gear, clamping screw and screw hole, and the clamping screw thread can be fixed lifting screw when the inside of screw hole, can avoid lifting screw to rotate by oneself and make the second lift seat descend, and when the clamping screw is not fixed in the inside of screw hole, can not influence the transmission between first conical gear and the second conical gear again.

Drawings

FIG. 1 is a schematic perspective view of the present design;

FIG. 2 is a schematic diagram of the internal structure of the present design;

FIG. 3 is a schematic view of the fixing structure of the rotating ring in the present design;

fig. 4 is a schematic view of the fixing structure of the lifting screw in the present design.

In the figure: the lifting mechanism comprises a base 1, a first lifting seat 2, a second lifting seat 3, a thread groove 4, a rotating ring 5, a movable groove 6, a movable plate 7, a spring 8, an insertion block 9, a second annular groove 10, an insertion groove 11, a first annular groove 12, a rotating pipe 13, a first bevel gear 14, a lifting screw 15, a second bevel gear 16, a tooth groove 17, a gear wheel 18, a fixing screw 19, a threaded hole 20, a limiting block 21, a limiting groove 22, a top seat 23, a rubber pad 24, a crank 25, a connecting thread 26 and a transmission thread 27.

Detailed Description

The invention will be further described with reference to the following figures and examples:

a mechanical small jack for mechanical maintenance is disclosed, see figures 1 to 4, comprising a base 1 and a crank 25, wherein a first lifting seat 2 is inserted on the outer wall of the top of the base 1, a second lifting seat 3 is inserted on the outer wall of the top of the first lifting seat 2, a first annular groove 12 is arranged on the outer side wall of the first lifting seat 2, a rotating ring 5 is rotatably connected on the inner wall of one side of the first annular groove 12 through a bearing, slots 11 are respectively arranged on both sides of the outer wall of the top of the rotating ring 5, a second annular groove 10 is arranged on the inner wall of the top of the first annular groove 12, a movable plate 7 is slidably connected inside the second annular groove 10, inserting blocks 9 inserted inside the slots 11 are welded on both sides of the outer wall of the bottom of the movable plate 7, springs 8 connected with the inserting blocks 9 are welded on the inner wall of the top of the second annular groove 10, movable grooves 6 are respectively arranged on the outer walls of both sides of the second, and fly leaf 7 sliding connection is in the inside of activity groove 6, and rotatory rotating ring 5 can make second lift seat 2 go up and down to can finely tune the height of jack, need not to wave crank 25 again outside the work environment, it is more convenient to use.

Further, in this design, circular slot 4 has been seted up on the outer wall at first lift seat 2 top, and second lift seat 3 is threaded connection with circular slot 4, and swivel 5 is located and offers on the inside wall of circular slot 4 and is threaded connection's connecting thread 26 with second lift seat 3, and rotatory swivel 5 can make second lift seat 2 and first lift seat 2 carry out the screw thread lift to highly finely tune the jack.

Further, in this design, be connected with the runner 13 through the bearing rotation on the outer wall of base 1 one side, and the one end welding that the runner 13 is located base 1 inside has first conical gear 14, be connected with lifting screw 15 through the bearing rotation on the inner wall of base 1 bottom, and lifting screw 15's bottom welding has second conical gear 16 with first conical gear 14 engaged with, wave crank 25, can make crank 25 drive runner 13 through gear 18 and rotate, thereby can make first conical gear 14 and second conical gear 16 mesh, and then make lifting screw 15 rotate.

Furthermore, in this design, a fixing screw 19 is connected to the outer wall of one side of the first bevel gear 14 in a threaded manner, threaded holes 20 distributed in an equidistant structure are formed in the outer side wall of the lifting screw 15 close to the second bevel gear 16, the fixing screw 19 is connected to the inside of the threaded hole 20 in a threaded manner, and the fixing screw 19 can be screwed into the threaded hole 20 by screwing the fixing screw 19, so that the lifting screw 15 is fixed.

Furthermore, in the design, a tooth socket 17 is formed in one end, located outside the base 1, of the rotating pipe 13, a tooth-shaped wheel 18 inserted into the tooth socket 17 is welded to the outer wall of one side of the crank 25, and the tooth-shaped wheel 18 enables the crank 25 to be rocked to drive the rotating pipe 13 to rotate.

Further, in this design, set up on the inside wall of first lift seat 2 and be threaded connection's transmission screw 27 with lifting screw 15, the outer wall both sides at base 1 top all begin to have spacing groove 22, and all weld on the outer wall of first lift seat 2 both sides and slide at the inside stopper 21 of spacing groove 22, and stopper 21 is more stable when can making first lift seat 2 go up and down.

Further, in this design, the welding has footstock 23 on the outer wall at second lift seat 3 top, and is provided with rubber pad 24 on the outer wall at footstock 23 top, and rubber pad 24 can prevent that jack from causing the damage to the outward appearance of machinery.

To sum up the utility model discloses a theory of operation does: when the mechanical small jack for mechanical maintenance is used, the toothed wheel 18 on the crank handle 25 is inserted into the toothed groove 17, the crank handle 25 is shaken to drive the first conical gear 16 to be meshed with the second conical gear 16 to rotate, so that the lifting screw 15 can be driven to rotate, the lifting screw 15 is connected with the second lifting seat 3 through the transmission thread 27, the second lifting seat 3 can be lifted, so that the machine is jacked up, the rotating pipe 13 is held, the crank handle 25 and the toothed wheel 18 are pulled out, the fixing screw 19 is screwed, the fixing screw 19 can be screwed into the threaded hole 20, so that the rotating pipe 13 and the lifting screw 15 are fixed, the lifting screw 15 can be prevented from rotating by itself, the limiting block 21 slides in the limiting groove 22, the first lifting seat 2 can be limited when being lifted, when a maintenance worker enters a mechanical bottom working environment, only need upwards promote fly leaf 7, make the inside that the inserted block 9 kept away from slot 11 twist and move swivel becket 5 and can make second lift seat 3 rise, the height of adjustment jack that can the small range, after the adjustment end only need with the fly leaf put 7 down can, inserted block 9 can receive the inside of spring 8's flexible power joint to slot 17 and fix swivel becket 5, need not to wave crank 25 to the outside, it is more convenient to use.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. A small-size jack of mechanical type for mechanical maintenance, includes base (1) and crank (25), its characterized in that: the outer wall of the top of the base (1) is spliced with a first lifting seat (2), the outer wall of the top of the first lifting seat (2) is spliced with a second lifting seat (3), the outer side wall of the first lifting seat (2) is provided with a first annular groove (12), the inner wall of one side of the first annular groove (12) is rotatably connected with a rotating ring (5) through a bearing, two sides of the outer wall of the top of the rotating ring (5) are provided with slots (11), the inner wall of the top of the first annular groove (12) is provided with a second annular groove (10), the inner part of the second annular groove (10) is connected with a movable plate (7) in a sliding manner, two sides of the outer wall of the bottom of the movable plate (7) are welded with inserting blocks (9) spliced in the slots (11), and the inner wall of the top of the second annular groove (10) is welded with springs (8) connected with the inserting, the outer walls of two sides of the second annular groove (10) are provided with movable grooves (6), and the movable plate (7) is connected inside the movable grooves (6) in a sliding mode.

2. A mechanical jack for mechanical maintenance as claimed in claim 1, wherein: circular slot (4) have been seted up on the outer wall at first lift seat (2) top, and second lift seat (3) are threaded connection with circular slot (4), swivel becket (5) are located and are offered on the inside wall of circular slot (4) and are threaded connection's connecting thread (26) with second lift seat (3).

3. A mechanical jack for mechanical maintenance as claimed in claim 1, wherein: the outer wall of base (1) one side is gone up and is connected with runner (13) through the bearing rotation, and the one end welding that runner (13) is located base (1) inside has first conical gear (14), rotate through the bearing on the inner wall of base (1) bottom and be connected with lifting screw (15), and the bottom welding of lifting screw (15) has second conical gear (16) with first conical gear (14) engaged with.

4. A mechanical jack for mechanical maintenance, as claimed in claim 3, wherein: the outer wall of one side of the first conical gear (14) is connected with a fixing screw rod (19) in a threaded mode, the outer side wall, close to the second conical gear (16), of the lifting screw rod (15) is provided with threaded holes (20) which are distributed in an equidistant structure, and the fixing screw rod (19) is connected to the inner portion of the threaded holes (20) in a threaded mode.

5. A mechanical jack for mechanical maintenance, as claimed in claim 3, wherein: tooth sockets (17) are formed in one end, located outside the base (1), of the rotating pipe (13), and tooth-shaped wheels (18) inserted inside the tooth sockets (17) are welded on the outer wall of one side of the crank (25).

6. A mechanical jack for mechanical maintenance as claimed in claim 1, wherein: offer on the inside wall of first lift seat (2) and be threaded connection's transmission screw thread (27) with lifting screw (15), the outer wall both sides at base (1) top all begin to have spacing groove (22), and all weld on the outer wall of first lift seat (2) both sides and slide in inside stopper (21) of spacing groove (22).

7. A mechanical jack for mechanical maintenance as claimed in claim 1, wherein: the outer wall of the top of the second lifting seat (3) is welded with a top seat (23), and a rubber pad (24) is arranged on the outer wall of the top seat (23).