CN212712529U - Large-stroke height-adjustable horizontal jack - Google Patents

Abstract

The utility model discloses a horizontal jack with adjustable large stroke height, including jack body and jib loading boom, jack body middle part upper end is fixed with the regulation pivot, the jib loading boom is connected in the regulation pivot middle-end outside, and the welding of jib loading boom upper end top has the top dish, jib loading boom downside parallel distribution has the regulating arm, jack body lower extreme both sides are provided with the gyro wheel, and jack body right-hand member upside is fixed with the bearing piece. This horizontal jack with adjustable big stroke height is provided with the mounting groove, the inside laminating of mounting groove of symmetric distribution installs the chassis subassembly, the also symmetric distribution of corresponding chassis subassembly, can fix the jack body from four sides when the chassis subassembly is fixed, guarantee the stability of jack body, make the jack body relatively stable in jack-up in-process, guarantee that work normally goes on, and be convenient for shrink in the mounting groove and save with the chassis subassembly that mounting groove structure size coincide each other, increase the practicality.

Description

Large-stroke height-adjustable horizontal jack

Technical Field

The utility model relates to a horizontal jack technical field specifically is horizontal jack with adjustable big stroke height.

Background

The jack is light and small hoisting equipment which takes 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, is mainly used for the departments of factories, mines, transportation and the like as vehicle repair and other hoisting, supporting and the like, has a light and firm structure, is flexible and reliable, and can be carried and operated by one person.

When meeting some objects with higher heights, the horizontal jack in the market is not ideal in lifting effect and difficult to directly lift the objects, and the horizontal jack in the market is difficult to transport and troublesome to carry, so that a large-stroke height-adjustable horizontal jack is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal jack with adjustable big stroke height to solve horizontal jack on the market that proposes among the above-mentioned background art when meetting some high objects lifting effect unsatisfactory, be difficult to directly jack up the object, and horizontal jack on the market is difficult for transporting, carries comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: horizontal jack with adjustable large stroke height, including jack body and jib loading boom, jack body middle part upper end is fixed with the regulation pivot, the jib loading boom is connected in the regulation pivot middle-end outside, and jib loading boom upper end top welding has the top dish, jib loading boom downside parallel distribution has the regulating boom, jack body lower extreme both sides are provided with the gyro wheel, and jack body right-hand member upside is fixed with the bearing block, bearing block upside middle part swing joint has the transfer line, and the transfer line upside is provided with the push rod, jack body downside four corners is concave to have inlayed the mounting groove, and mounting groove internal connection has the chassis subassembly, chassis subassembly upper end swing joint has the fixed axle, and chassis subassembly downside bottom is provided with the rubber circle.

Preferably, the cargo boom forms a turnover structure through the adjusting rotating shaft, and the cargo boom and the adjusting arm are distributed in parallel.

Preferably, the mounting grooves are symmetrically distributed about the central axis of the jack body, and the structural size of the inner opening of the mounting groove is matched with that of the outer opening of the chassis component.

Preferably, the fixed shaft penetrates through the upper end of the underframe assembly, and the underframe assembly forms a turnover structure through the fixed shaft and the mounting groove.

Preferably, the underframe assembly comprises a footing, a stud and a screw cap, the stud is welded in the middle of the upper side of the footing, and the screw cap is connected to the upper end of the stud.

Preferably, the stud and the screw cap form threaded connection, and the stud and the bottom foot form a welding integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that: the large-stroke height-adjustable horizontal jack is provided with a jack body and a crane boom, the crane boom is uniformly lifted or descended by adjusting the turnover of the rotating shaft, the crane boom is lifted, the adjusting arms which are distributed in parallel with the crane boom can share gravity when the crane boom overturns and jacks a heavy object, the lifting effect is increased, meanwhile, deformation and damage caused by overlarge stress of the crane boom can be effectively prevented, and the lifting safety guarantee of the whole equipment is increased;

the bottom frame assemblies are attached and mounted inside the symmetrically-distributed mounting grooves, the corresponding bottom frame assemblies are also symmetrically distributed, the jack body can be fixed from four sides when the bottom frame assemblies are fixed, the stability of the jack body is guaranteed, the jack body is relatively stable in the hoisting and jacking process, the normal operation is guaranteed, the bottom frame assemblies matched with the mounting grooves in structural size can be conveniently retracted into the mounting grooves for storage, and the practicability is improved;

threaded connection's double-screw bolt and spiral shell lid are connected closely, and the installation is firm, and easily rotating simultaneously realizes the lift operation of spiral shell lid, guarantees the altitude mixture control effect of jack, and integration double-screw bolt and footing increase firm degree of being connected between the two, and integrated structure can make double-screw bolt and footing combined action when accepting with the resistance to compression, balanced atress for it is firm stable when double-screw bolt and spiral shell lid interlock spiral, and it is difficult for not hard up to skid, increases the practicality.

Drawings

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

FIG. 2 is a schematic view of the bottom structure of the jack body of the present invention;

fig. 3 is a schematic view of the structure of the bottom frame assembly of the present invention.

In the figure: 1. a jack body; 2. adjusting the rotating shaft; 3. a cargo boom; 4. a top tray; 5. an adjusting arm; 6. a roller; 7. a pressure-bearing block; 8. a transmission rod; 9. a push rod; 10. mounting grooves; 11. a fixed shaft; 12. a chassis assembly; 1201. footing; 1202. a stud; 1203. a screw cap; 13. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the large-stroke height-adjustable horizontal jack comprises a jack body 1, an adjusting rotating shaft 2, a crane boom 3, a top disc 4, an adjusting arm 5, a roller 6, a bearing block 7, a transmission rod 8, a push rod 9, a mounting groove 10, a fixed shaft 11, an underframe assembly 12 and a rubber ring 13, wherein the adjusting rotating shaft 2 is fixed at the upper end of the middle part of the jack body 1, the crane boom 3 is connected to the outer side of the middle end of the adjusting rotating shaft 2, the top disc 4 is welded at the top of the upper end of the crane boom 3, the crane boom 3 forms a turnover structure through the adjusting rotating shaft 2, the crane boom 3 and the adjusting arm 5 are distributed in parallel, the crane boom 3 is uniformly lifted or descended through the turnover of the adjusting rotating shaft 2, the crane boom 3 is lifted, the adjusting arm 5 distributed in parallel with the crane boom 3 can share gravity of heavy objects when the crane boom 3 is turned over to lift the heavy objects, the, hoisting safety guarantee of the whole equipment is increased;

adjusting arms 5 are distributed in parallel on the lower side of the cargo boom 3, rollers 6 are arranged on two sides of the lower end of the jack body 1, a bearing block 7 is fixed on the upper side of the right end of the jack body 1, a transmission rod 8 is movably connected in the middle of the upper side of the bearing block 7, a push rod 9 is arranged on the upper side of the transmission rod 8, four corners of the lower side of the jack body 1 are concavely embedded with mounting grooves 10, a chassis assembly 12 is connected in each mounting groove 10, the mounting grooves 10 are symmetrically distributed about the central axis of the jack body 1, the structural size of an inner opening of each mounting groove 10 is matched with the structural size of an outer opening of the chassis assembly 12, the chassis assemblies 12 are attached and installed in the symmetrically distributed mounting grooves 10, the corresponding chassis assemblies 12 are also symmetrically distributed, the jack body 1 can be fixed from four sides when the chassis assemblies 12 are fixed, the stability of the, the normal operation is ensured, and the underframe assembly 12 matched with the mounting groove 10 in structural size is convenient to shrink into the mounting groove 10 for storage, so that the practicability is increased;

the upper end of the underframe assembly 12 is movably connected with a fixed shaft 11, the bottom of the lower side of the underframe assembly 12 is provided with a rubber ring 13, the fixed shaft 11 penetrates through the inside of the upper end of the underframe assembly 12, the underframe assembly 12 forms a turnover structure through the fixed shaft 11 and the mounting groove 10, and the fixed shaft 11 is used as a fixed shaft to penetrate through the inside of the underframe assembly 12, so that the underframe assembly 12 is turned over, the underframe assembly 12 can be folded and contracted, and the storage and the use are convenient;

the underframe assembly 12 comprises a footing 1201, a stud 1202 and a screw cap 1203, and the middle welding of the upside of the footing 1201 has the stud 1202, the upper end of the stud 1202 is connected with the screw cap 1203, the stud 1202 and the screw cap 1203 form a threaded connection, and the stud 1202 and the footing 1201 are of a welding integrated structure, the stud 1202 and the screw cap 1203 of the threaded connection are tightly connected, the installation is firm, the stud 1202 and the screw cap 1203 are easy to rotate simultaneously, the lifting operation of the screw cap 1203 is realized, the height adjusting effect of the jack is ensured, the integrated stud 1202 and the footing 1201 increase the firm degree of connection between the two, the integrated structure can enable the stud 1202 and the footing 1201 to act together when receiving and resisting pressure, the stress is balanced, the stud 1202 and the screw cap 1203 are firm and stable when meshing with the screw, the.

The working principle is as follows: for the large-stroke height-adjustable horizontal jack, firstly, a user holds the push rod 9 by hand to push the jack body 1, so that the roller wheels 6 roll uniformly, the user can move the horizontal jack conveniently, the horizontal jack is easily moved to a required position, the push rod 9 is held by hand to push the transmission rod 8 downwards, the adjusting rotating shaft 2 rotates clockwise under the pushing of hydraulic pressure due to extrusion transmission to drive the cargo boom 3 to lift upwards, meanwhile, the adjusting arms 5 which are distributed in parallel with the cargo boom 3 can share gravity when the cargo boom 3 overturns and jacks a heavy object, so that the lifting effect is increased, meanwhile, the deformation and damage caused by overlarge stress of the cargo boom 3 can be effectively prevented, the lifting safety guarantee of the whole equipment is increased, the top plate 4 can lift the object, when the lifting object is overhigh, the user can manually overturn the bottom frame assembly 12, and when the corresponding bottom frame assembly 12 is contracted in the installation groove 10, the underframe assembly 12 is fixed by a buckle, so that the underframe assembly 12 is not easily scattered naturally under the action of gravity and the like to affect normal use, then the underframe assembly 12 is taken out under the rotation of a fixed shaft of the fixed shaft 11, so that the rubber ring 13 is contacted with the ground, the rubber ring 13 belongs to a flexible material, the buffering and absorbing acting force which can be good in hoisting work can be well, a part of vibration amplitude can be correspondingly reduced, then the underframe assembly 12 is vertical to the ground, so that the whole jack body 1 is stabilized on the ground, a user can rotate the footing 1201 according to the height requirement, the screw cap 1203 is lifted by meshing the transmission screw stud 1202 through screw threads, the underframe assembly 12 is correspondingly lifted, the whole jack body 1 is lifted, the screw stud 1202 and the screw cap 1203 in threaded connection are tightly connected, the installation is firm, the screw cap 1203 is easy to rotate simultaneously, the lifting operation of the screw cap 1203 is realized, and the height adjusting effect, thus, the whole using process of the large-stroke height-adjustable horizontal jack is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Horizontal jack with adjustable large-stroke height, including jack body (1) and jib loading boom (3), its characterized in that: an adjusting rotating shaft (2) is fixed at the upper end of the middle part of the jack body (1), the cargo boom (3) is connected to the outer side of the middle end of the adjusting rotating shaft (2), a top plate (4) is welded at the top of the upper end of the crane boom (3), adjusting arms (5) are distributed on the lower side of the crane boom (3) in parallel, rollers (6) are arranged on two sides of the lower end of the jack body (1), a bearing block (7) is fixed on the upper side of the right end of the jack body (1), the middle part of the upper side of the bearing block (7) is movably connected with a transmission rod (8), a push rod (9) is arranged on the upper side of the transmission rod (8), four corners of the lower side of the jack body (1) are concavely embedded with mounting grooves (10), and the mounting groove (10) is internally connected with an underframe assembly (12), the upper end of the underframe assembly (12) is movably connected with a fixed shaft (11), and the bottom of the lower side of the underframe assembly (12) is provided with a rubber ring (13).

2. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the crane boom (3) forms a turnover structure through the adjusting rotating shaft (2), and the crane boom (3) and the adjusting arm (5) are distributed in parallel.

3. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the mounting grooves (10) are symmetrically distributed about the central axis of the jack body (1), and the structural size of the inner opening of the mounting groove (10) is matched with that of the outer opening of the bottom frame component (12).

4. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the fixed shaft (11) penetrates through the upper end of the underframe assembly (12), and the underframe assembly (12) and the mounting groove (10) form a turnover structure through the fixed shaft (11).

5. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the base frame assembly (12) comprises a bottom foot (1201), a stud (1202) and a threaded cover (1203), the stud (1202) is welded in the middle of the upper side of the bottom foot (1201), and the threaded cover (1203) is connected to the upper end of the stud (1202).

6. The large-stroke height-adjustable horizontal jack according to claim 5, wherein: the stud (1202) and the screw cap (1203) form threaded connection, and the stud (1202) and the footing (1201) are in a welding integrated structure.

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