CN215711378U

CN215711378U - Two-position balanced jack support fixing base

Info

Publication number: CN215711378U
Application number: CN202121598626.9U
Authority: CN
Inventors: 张国柱
Original assignee: Dalian Guoxing Construction Machinery Co ltd
Current assignee: Dalian Guoxing Construction Machinery Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-02-01
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a double-position balanced jack support fixing base which comprises a bottom plate and an adjusting mechanism, wherein the bottom plate is provided with a first hole and a second hole; a bottom plate: the upper surface of the U-shaped frame is uniformly provided with a U-shaped frame, the middle part of the U-shaped frame is provided with a fixed screw, and the upper end of the fixed screw is in threaded connection with a nut; the adjusting mechanism comprises: the sliding holes are respectively arranged in bosses uniformly and respectively arranged at four corners of the lower surface of the bottom plate, telescopic blocks are respectively connected in the sliding holes in a sliding manner, the top wall of each sliding hole is rotatably connected with a screw rod, and screw holes arranged in the middle of the telescopic blocks are respectively in threaded connection with the screw rods in the same sliding hole; wherein: still include the strengthening rib, the strengthening rib evenly sets up in the lower surface of bottom plate, and this two balanced jack stand unable adjustment base of position makes things convenient for the balanced jack stand's of two position installation fixed, and is fixed more firm, can also highly adjust the bottom plate four corners, supports more stably.

Description

Two-position balanced jack support fixing base

Technical Field

The utility model relates to the technical field of jack accessories, in particular to a double-position balanced jack support fixing base.

Background

The jack is a light and small hoisting device which uses a rigid jacking piece as a working device and jacks a heavy object in a small stroke through a top bracket or a bottom supporting claw, the jack is mainly used in departments of factories, mines, transportation and the like as vehicle repair and other hoisting, supporting and the like, the jack is divided into a mechanical jack, a hydraulic jack and the like, the principles are different, in principle, the most basic principle on which hydraulic transmission is based is the Pascal law, namely, the pressure intensity of each part of liquid is consistent, therefore, in a balanced system, the pressure exerted on a smaller piston is smaller, the pressure exerted on a larger piston is larger, the liquid can be kept static, different pressures on different ends can be obtained through the transmission of the liquid, a conversion purpose can be achieved, and the common hydraulic jack achieves the transmission of force by using the principle, the screw jack pulls the handle repeatedly, the pulling claw pushes the ratchet wheel to rotate in a clearance mode, the bevel pinion drives the bevel pinion to enable the lifting screw to rotate, and therefore the lifting sleeve can lift or descend to achieve the function of lifting tension.

SUMMERY OF THE UTILITY MODEL

The jack support fixing base comprises a base plate, a double-position balancing jack support, a base plate, a fixing plate, a support, a fixing plate and a support, wherein the base plate is provided with a plurality of two positions, the two positions are arranged on the base plate, the two positions are arranged on the two sides of the base plate, the two positions are respectively provided with a fixing hole, and the two positions are respectively provided with a fixing hole.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-position balanced jack support fixing base comprises a bottom plate and an adjusting mechanism;

a bottom plate: the upper surface of the U-shaped frame is uniformly provided with a U-shaped frame, the middle part of the U-shaped frame is provided with a fixed screw, and the upper end of the fixed screw is in threaded connection with a nut;

the adjusting mechanism comprises: the sliding holes are respectively arranged in bosses uniformly and respectively arranged at four corners of the lower surface of the bottom plate, telescopic blocks are respectively connected in the sliding holes in a sliding manner, the top wall of each sliding hole is rotatably connected with a screw rod, and screw holes arranged in the middle of the telescopic blocks are respectively in threaded connection with the screw rods in the same sliding hole;

wherein: still include the strengthening rib, the strengthening rib evenly sets up in the lower surface of bottom plate, and the installation of the jack support that makes things convenient for the dibit to be balanced is fixed, and is fixed more firm, can also adjust the height in bottom plate four corners, can also guarantee the roughness of top structure, and supports more stably.

Furthermore, the upper end of lead screw all is provided with the worm wheel, and the inside of slide opening all rotates and is connected with the worm that is connected with the worm wheel meshing, provides drive power for the regulation.

Furthermore, the outer side end of the worm extends to the outer side of the bottom plate, and a hexagon socket is arranged at the end, so that the worm can rotate conveniently.

Furthermore, the lower surface of flexible piece evenly is provided with anti-skidding sawtooth, prevents that the bottom plate from skidding.

Further, still include the extension board, the end of extension board rotates respectively to be connected in the even downthehole portion that changes that sets up of bottom plate lower surface, and two extension boards that transversely correspond are the symmetry setting, and the equal threaded connection in the screw hole that two inboard ends of extension board that transversely correspond set up has the double-screw bolt, and the lower extreme of double-screw bolt all rotates and is connected with the backing plate, makes the top structural support more stable.

Furthermore, mounting holes are symmetrically formed in the front end and the rear end of the lower surface of the bottom plate, springs are arranged inside the mounting holes, limiting cylinders in sliding connection with the inner walls of the mounting holes are arranged at the lower ends of the springs, and the limiting cylinders correspond to the studs in positions and play a limiting role in limiting the support plates.

Furthermore, the inside of the U-shaped frame is connected with a limiting ring in a sliding mode, the middle of the limiting ring is provided with an inner hexagonal groove, and the inner hexagonal groove is matched with a nut in threaded connection with the upper end of the fixing screw rod, so that the support is more firmly installed.

Compared with the prior art, the utility model has the beneficial effects that: this balanced jack support unable adjustment base of dibit has following benefit:

1. the jack support that will double balance is placed in the upper surface of bottom plate, makes the clamping screw at U type frame middle part pass the mounting hole that the support corresponds, then fixes the support through the nut, slides the inside of U type frame with the spacing ring after fixed, makes the nut be located the inside of hexagon socket head cap groove at spacing ring middle part, plays limiting displacement to the nut, makes the support mounting more firm.

2. Inside the hexagonal socket outside inserting the worm through outside instrument, thereby rotate the worm and drive the worm wheel rotation with worm meshing, and then make the lead screw rotate, drive the flexible piece with lead screw threaded connection and move down along the slide opening to highly adjusting the bottom plate four corners, guarantee the level and smooth fixed of top support.

3. The four support plates are rotated 90 degrees outwards, and then the studs in threaded connection with the outer sides of the support plates are rotated, so that the height of the base plate is adjusted, the contact surface between the bottom plate and the bottom surface is increased, and the upper structure support is more stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal cross-section of the adjustment mechanism of the present invention;

fig. 3 is a schematic view of the internal cross-sectional structure of the limiting cylinder of the present invention.

In the figure: the device comprises a base plate 1, an adjusting mechanism 2, a worm wheel 21, a worm 22, a sliding hole 23, a lead screw 24, a telescopic block 25, a 3U-shaped frame, a fixing screw 4, a limiting ring 5, a support plate 6, a stud 7, a backing plate 8, a reinforcing rib 9, a spring 10 and a limiting cylinder 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a double-position balanced jack support fixing base comprises a bottom plate 1 and an adjusting mechanism 2;

bottom plate 1: the upper surface of the support is uniformly provided with U-shaped frames 3, the middle parts of the U-shaped frames 3 are all provided with fixing screw rods 4, the upper ends of the fixing screw rods 4 are all in threaded connection with nuts, the interiors of the U-shaped frames 3 are all in sliding connection with limiting rings 5, the middle parts of the limiting rings 5 are all provided with inner hexagonal grooves, the inner hexagonal grooves are matched with the nuts in threaded connection with the upper ends of the fixing screw rods 4, a jack support with balanced double positions is placed on the upper surface of the bottom plate 1, the fixing screw rods 4 in the middle parts of the U-shaped frames 3 penetrate through mounting holes corresponding to the support, then the support is fixed through the nuts, the limiting rings 5 are slid into the interiors of the U-shaped frames 3 after fixation, the nuts are located in the inner hexagonal grooves in the middle parts of the limiting rings 5, a limiting effect is achieved on the nuts, and the support is more firmly mounted;

the adjusting mechanism 2: the anti-skid device comprises sliding holes 23, the sliding holes 23 are respectively arranged in bosses uniformly and respectively arranged at four corners of the lower surface of a bottom plate 1, telescopic blocks 25 are respectively connected in the sliding holes 23 in a sliding manner, the top wall of the inner part of each sliding hole 23 is rotatably connected with a screw rod 24, screw holes arranged in the middle of each telescopic block 25 are respectively in threaded connection with the screw rods 24 in the same sliding hole 23, worm wheels 21 are respectively arranged at the upper ends of the screw rods 24, worms 22 meshed with the worm wheels 21 are respectively rotatably connected in the sliding holes 23, the outer ends of the worms 22 extend to the outer side of the bottom plate 1, hexagonal holes are arranged at the ends of the worms 22, anti-skid sawteeth are uniformly arranged on the lower surface of each telescopic block 25 to prevent the bottom plate from skidding, external tools are inserted into the hexagonal holes in the outer sides of the worms 22 to rotate the worms 22 so as to drive the worm wheels 21 meshed with the worms 22 to rotate, the screw rods 24 to further drive the telescopic blocks 25 in threaded connection with the screw rods 24 to move downwards along the sliding holes 23, therefore, the heights of four corners of the bottom plate 1 are adjusted, and the support above is guaranteed to be flat and fixed;

wherein: still include strengthening rib 9, strengthening rib 9 evenly sets up in the lower surface of bottom plate 1, improves the bulk strength of bottom plate 1.

Wherein: the support plate is characterized by further comprising support plates 6, the ends of the support plates 6 are respectively and rotatably connected to the inner parts of rotating holes uniformly formed in the lower surface of the bottom plate 1, the two transversely corresponding support plates 6 are symmetrically arranged, threaded studs 7 are respectively and rotatably connected to the inner parts of threaded holes formed in the ends of the inner sides of the two transversely corresponding support plates 6, the lower ends of the threaded studs 7 are respectively and rotatably connected with backing plates 8, the four support plates 6 are rotated 90 degrees outwards, then rotate the double-screw bolt 7 of extension board 6 outside threaded connection to adjust the height of backing plate 8, increase the contact surface of bottom plate 1 and bottom surface and connect, make the top structure support more stable, both ends all are provided with the mounting hole symmetrically around the bottom plate 1 lower surface, and the inside of mounting hole all is provided with spring 10, and the lower extreme of spring 10 all is provided with the spacing section of thick bamboo 11 with mounting hole inner wall sliding connection, and spacing section of thick bamboo 11 corresponds with double-screw bolt 7 position, plays limiting displacement to extension board 6.

The working principle of the double-position balanced jack support fixing base provided by the utility model is as follows: the double-position balanced jack support is placed on the upper surface of a bottom plate 1, a fixing screw rod 4 in the middle of a U-shaped frame 3 penetrates through a mounting hole corresponding to the support, the support is fixed through a nut, a limiting ring 5 slides into the U-shaped frame 3 after the fixing, the nut is located in a hexagon socket in the middle of the limiting ring 5 and has a limiting effect on the nut, the support is more firmly mounted, the nut is inserted into the hexagon socket on the outer side of a worm 22 through an external tool, the worm 22 is rotated to drive a worm wheel 21 meshed with the worm 22 to rotate, a lead screw 24 is further rotated to drive a telescopic block 25 in threaded connection with the lead screw 24 to move downwards along a sliding hole 23, the heights of four corners of the bottom plate 1 are adjusted, the support above is guaranteed to be flat and fixed, four limiting cylinders 11 are moved upwards, the limiting cylinders 11 are separated from a stud 7, the four support plates 6 are rotated outwards by 90 degrees, and the support is further used for supporting the four support plates, the support is arranged on the bottom plate, the support is used for supporting the support, the support is used for supporting, the support is used for supporting, the support is used for supporting, the support is used for supporting, the support and the support, the, then, the stud 7 in threaded connection with the outer side of the support plate 6 is rotated, so that the height of the base plate 8 is adjusted, the contact surface between the bottom plate 1 and the bottom surface is increased, and the upper structure support is more stable.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a balanced jack support unable adjustment base of dibit which characterized in that: comprises a bottom plate (1) and an adjusting mechanism (2);

base plate (1): the upper surface of the U-shaped frame is uniformly provided with the U-shaped frame (3), the middle part of the U-shaped frame (3) is provided with a fixed screw (4), and the upper end of the fixed screw (4) is in threaded connection with a nut;

adjusting mechanism (2): the sliding holes (23) are respectively arranged in bosses uniformly arranged at four corners of the lower surface of the bottom plate (1), telescopic blocks (25) are respectively connected in the sliding holes (23) in a sliding manner, the top wall of the inner part of each sliding hole (23) is rotatably connected with a screw rod (24), and screw holes arranged in the middle of each telescopic block (25) are respectively in threaded connection with the screw rods (24) in the same sliding hole (23);

wherein: the novel bottom plate is characterized by further comprising reinforcing ribs (9), wherein the reinforcing ribs (9) are uniformly arranged on the lower surface of the bottom plate (1).

2. A two-position balanced jack stand mount base as claimed in claim 1, wherein: the upper end of the screw rod (24) is provided with a worm wheel (21), and the inside of the sliding hole (23) is rotatably connected with a worm (22) meshed with the worm wheel (21).

3. A two-position balanced jack stand mount base as claimed in claim 2, wherein: the outer side ends of the worms (22) extend to the outer side of the bottom plate (1) and are provided with hexagon socket holes.

4. A two-position balanced jack stand mount base as claimed in claim 1, wherein: the lower surface of the telescopic block (25) is uniformly provided with anti-skid sawteeth.

5. A two-position balanced jack stand mount base as claimed in claim 1, wherein: the supporting plate is characterized by further comprising supporting plates (6), the ends of the supporting plates (6) are respectively rotatably connected to the inner portions of rotating holes evenly formed in the lower surface of the base plate (1), the two transversely corresponding supporting plates (6) are symmetrically arranged, threaded studs (7) are connected to the inner portions of threaded holes formed in the ends of the inner sides of the two transversely corresponding supporting plates (6) in a threaded mode, and the lower ends of the threaded studs (7) are connected with backing plates (8) in a rotating mode.

6. A two-position, counterbalanced jack stand mount base as claimed in claim 5, wherein: the mounting holes are symmetrically formed in the front end and the rear end of the lower surface of the bottom plate (1), the springs (10) are arranged inside the mounting holes, the lower ends of the springs (10) are provided with limiting cylinders (11) which are connected with the inner wall of the mounting holes in a sliding mode, and the limiting cylinders (11) correspond to the studs (7).

7. A two-position balanced jack stand mount base as claimed in claim 1, wherein: the inner part of the U-shaped frame (3) is connected with a limiting ring (5) in a sliding mode, the middle of the limiting ring (5) is provided with an inner hexagonal groove, and the inner hexagonal groove is matched with a nut in threaded connection with the upper end of the fixing screw rod (4).