CN216005052U

CN216005052U - Special lifting arm for high-tonnage horizontal jack

Info

Publication number: CN216005052U
Application number: CN202121675498.3U
Authority: CN
Inventors: 邹忠顺; 邹振彪
Original assignee: Hangzhou Fuyang Honghui Stamping Parts Co ltd
Current assignee: Hangzhou Fuyang Honghui Stamping Parts Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-11
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a special lifting arm for a high-tonnage horizontal jack, which comprises the horizontal jack and a plurality of lifting arms, wherein a plurality of linkage mechanisms are respectively arranged on two side surfaces of the horizontal jack, connecting columns are respectively arranged on the linkage mechanisms, one ends of the connecting columns are respectively connected with the lifting arms, positioning holes are respectively arranged at the positions, close to the connecting columns, of the lifting arms, positioning rods are respectively arranged in the positioning holes, a cross is arranged above the horizontal jack, four end surfaces of the cross extend to the positions of the linkage mechanisms and are respectively and vertically provided with an adjusting rod for driving the linkage mechanisms to rotate, and the middle of the cross is placed on a crane boom of the horizontal jack. The lifting mechanism has a simple structure, and can synchronously drive the cross and the adjusting rod in the lifting process of the crane boom on the horizontal jack, the gear can be rotated through the convex teeth on the adjusting rod, the connecting column and the lifting arm can be driven through the rotated gear, so that the lifting arm can downwards support the horizontal jack, and the secondary lifting effect is realized on the horizontal jack.

Description

Special lifting arm for high-tonnage horizontal jack

Technical Field

The utility model relates to the technical field of horizontal jacks, in particular to a special lifting arm for a high-tonnage horizontal jack.

Background

The jack is a light and small lifting device which uses a rigid lifting piece as a working device and lifts a heavy object in a stroke through a top bracket or a bottom supporting claw. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The lifting height of the existing horizontal jack is limited, and when the existing horizontal jack meets some vehicles with high chassis, the existing horizontal jack can not effectively support the vehicles.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a special lifting arm for a high-tonnage horizontal jack, so as to solve the problems in the background technology.

The utility model is realized by the following technical scheme: the utility model provides a special lifting arm of high-tonnage horizontal jack, including horizontal jack and many lifting arms, all install a plurality of link gears on horizontal jack's the both sides face, all install the spliced pole on the link gear, spliced pole one end all is connected with lifting arm, lifting arm is close to spliced pole department and all is equipped with the locating hole, all be equipped with the locating lever in the locating hole, the locating lever lower extreme is all installed on horizontal jack, horizontal jack's top is equipped with the cross, four terminal surfaces of cross all extend to link gear department to all install perpendicularly and drive link gear pivoted regulation pole, the centre of cross is put on horizontal jack's jib loading boom, all install the locking mechanism who will rise the arm and fix on lifting arm's the lateral surface, lifting arm keeps away from one of horizontal jack and serves and all installs the cushion.

As preferred technical scheme, the link gear all includes the gear, the axostylus axostyle, polylith fixed plate and a plurality of bearing, the fixed plate is all installed on horizontal jack's outer wall, equal parallel arrangement between the fixed plate, the gear all sets up between the fixed plate, the other end of spliced pole is all installed on the outer lane face of gear, all be equipped with the mounting hole on the lateral surface of fixed plate, the bearing is all installed in the mounting hole, the axostylus axostyle is all installed in the inner shell of gear, the axostylus axostyle both ends are all installed in the inner circle of bearing, all install the polylith dogtooth on the lateral surface of adjusting the pole, the dogtooth all is connected with gear engagement.

As preferred technical scheme, all be equipped with the constant head tank on the medial surface of adjusting the pole, the outer wall of horizontal jack just forms a location strip to the equal protrusion of constant head tank department, and the equal slidable mounting of location strip is in the constant head tank, and the cross-section of location strip and constant head tank all is the setting of dovetail structure.

As preferred technical scheme, locking mechanism all includes screw rod and hand wheel, all is equipped with a plurality of first screw holes on the side of locating lever, all is equipped with the second screw hole with the locating hole intercommunication on the outer wall of hoisting arm, and the equal threaded connection of screw rod is in the second screw hole, and screw rod one end all twists in the first screw hole to, and the hand wheel is all installed on the other end of screw rod.

As preferred technical scheme, locating hole and locating lever all are the arc structure setting.

The utility model has the beneficial effects that: the lifting mechanism has a simple structure, does not affect the height of the horizontal jack, can synchronously drive the cross and the adjusting rod in the lifting process of the crane boom on the horizontal jack, can rotate the gear through the convex teeth on the adjusting rod, and can drive the connecting column and the lifting arm through the rotating gear, so that the lifting arm can downwards support the horizontal jack, and plays a secondary lifting role on the horizontal jack, thereby being capable of adapting to higher articles, needing no installation of power equipment and reducing the cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a schematic structural view of the linkage mechanism of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 and 2, the lifting arm special for the high-tonnage horizontal jack comprises a horizontal jack 1 and a plurality of lifting arms 6, the two side surfaces of the horizontal jack 1 are respectively provided with a plurality of linkage mechanisms 2, the linkage mechanisms 2 are respectively provided with a connecting column 3, one end of each connecting column 3 is connected with a lifting arm 6, the positions of the lifting arms 6, which are close to the connecting columns, are respectively provided with a positioning hole 15, positioning rods 4 are respectively arranged in the positioning holes 15, the lower ends of the positioning rods 4 are respectively arranged on the horizontal jack 1, a cross 11 is arranged above the horizontal jack 1, and four end surfaces of the cross 11 extend to the linkage mechanisms, and all install perpendicularly and drive the link gear pivoted regulation pole 9, the centre of cross 11 is put on the jib loading boom of horizontal jack, all installs the locking mechanism who will rise the arm fixed on the lateral surface of rising arm 6, and the one end that rises arm 6 and keeps away from horizontal jack all installs cushion 7.

In this embodiment, the link gear all includes gear 14, axostylus axostyle 13, polylith fixed plate 12 and a plurality of bearing, fixed plate 12 is all installed on horizontal jack 1's outer wall face, equal parallel arrangement between fixed plate 12, gear 14 all sets up between fixed plate 12, the other end of spliced pole 3 is all installed on gear 14's outer lane face, all be equipped with the mounting hole on fixed plate 12's the lateral surface, the bearing is all installed in the mounting hole, axostylus axostyle 13 is all installed in gear 14's inner shell, axostylus axostyle 13 both ends are all installed in the inner circle of bearing, all install polylith dogtooth 8 on adjusting the lateral surface of pole 9, dogtooth 8 all is connected with gear 14 meshing.

In this embodiment, all be equipped with the constant head tank on adjusting the medial surface of pole 9, horizontal jack 1's outer wall just forms a location strip 17 to the equal protrusion of constant head tank department, and the equal slidable mounting of location strip 17 all is dovetail structure setting in the constant head tank, and the cross-section of location strip 17 and constant head tank all is the regulation pole location through the location strip, makes the regulation pole can only reciprocate along the location strip vertically.

In this embodiment, locking mechanism all includes screw rod 16 and hand wheel 5, all is equipped with a plurality of first screw holes 18 on the side of locating lever 4, all is equipped with the second screw hole with the locating hole intercommunication on the outer wall of hoisting

arm

6, and 16 equal threaded connection of screw rod are in the second screw hole, and 16 one ends of screw rod are all twisted in first screw hole 18 to, and hand wheel 5 is all installed on the other end of screw rod.

In this embodiment, locating hole 15 and locating lever 4 all are the arc structure setting, make to rise the arm and can rotate along curved locating hole.

In the lifting process of a crane boom on the horizontal jack, the cross frame and the adjusting rod can be synchronously driven, the gear can be rotated through the convex teeth on the adjusting rod, the connecting column and the lifting arm can be driven through the rotated gear, the lifting arm can be downwards rotated along the positioning rod, the horizontal jack can be supported through the lifting arm moving downwards, and the secondary lifting effect is achieved on the horizontal jack, so that the lifting device can adapt to higher articles, does not need to install power equipment, and reduces the cost.

Wherein, after the lifting arm rotates the certain degree, in order to increase the stability of lifting arm, rotatable hand wheel, the rotation of hand wheel has driven the screw rod, makes screw rod one end twist in first screw hole to play the positioning action to lifting arm, avoided sudden tenesmus, increased the security.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a special lifting arm of high-tonnage horizontal jack which characterized in that: the lifting mechanism comprises a horizontal jack (1) and a plurality of lifting arms (6), wherein a plurality of linkage mechanisms (2) are respectively arranged on two side surfaces of the horizontal jack (1), connecting columns (3) are respectively arranged on the linkage mechanisms (2), one ends of the connecting columns (3) are respectively connected with the lifting arms (6), positioning holes (15) are respectively arranged at the positions, close to the connecting columns, of the lifting arms (6), positioning rods (4) are respectively arranged in the positioning holes (15), the lower ends of the positioning rods (4) are respectively arranged on the horizontal jack (1), a cross (11) is arranged above the horizontal jack (1), four end surfaces of the cross (11) extend to the linkage mechanisms and are respectively and vertically provided with an adjusting rod (9) for driving the linkage mechanisms to rotate, the middle of the cross (11) is placed on a lifting arm of the horizontal jack, and locking mechanisms for fixing the lifting arms are respectively arranged on the outer side surfaces of the lifting arms (6), and a cushion block (7) is arranged at one end of the lifting arm (6) far away from the horizontal jack.

2. The special lifting arm for the high-tonnage horizontal jack according to claim 1, characterized in that: the link gear all includes gear (14), axostylus axostyle (13), polylith fixed plate (12) and a plurality of bearing, fixed plate (12) are all installed on the outer wall of horizontal jack (1), equal parallel arrangement between fixed plate (12), gear (14) all set up between fixed plate (12), the other end of spliced pole (3) is all installed on the outer lane face of gear (14), all be equipped with the mounting hole on the lateral surface of fixed plate (12), the bearing is all installed in the mounting hole, axostylus axostyle (13) are all installed in the inner shell of gear (14), axostylus axostyle (13) both ends are all installed in the inner circle of bearing, all install polylith dogtooth (8) on the lateral surface of adjusting pole (9), dogtooth (8) all are connected with gear (14) meshing.

3. The special lifting arm for the high-tonnage horizontal jack according to claim 1, characterized in that: all be equipped with the constant head tank on the medial surface of adjusting pole (9), the outer wall of horizontal jack (1) just forms a location strip (17) to the equal protrusion of constant head tank department, and equal slidable mounting in the constant head tank of location strip (17), the cross-section of location strip (17) and constant head tank all is the setting of dovetail structure.

4. The special lifting arm for the high-tonnage horizontal jack according to claim 1, characterized in that: locking mechanism all includes screw rod (16) and hand wheel (5), all is equipped with a plurality of first screw holes (18) on the side of locating lever (4), all is equipped with the second screw hole with the locating hole intercommunication on the outer wall of hoisting arm (6), and screw rod (16) all threaded connection is in the second screw hole, and screw rod (16) one end all twists in first screw hole (18) to, and hand wheel (5) are all installed on the other end of screw rod.

5. The special lifting arm for the high-tonnage horizontal jack according to claim 1, characterized in that: the positioning holes (15) and the positioning rods (4) are both arranged in an arc-shaped structure.