CN111620257B

CN111620257B - Jack with prevent empting structure

Info

Publication number: CN111620257B
Application number: CN202010270050.7A
Authority: CN
Inventors: 吴小洪
Original assignee: Yiwu Gaoyang Mechanical Equipment Co ltd
Current assignee: Yiwu Gaoyang mechanical equipment Co.,Ltd.
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-08-20
Anticipated expiration: 2040-04-08
Also published as: CN111620257A

Abstract

The invention relates to the technical field of mechanical equipment and discloses a jack with an anti-toppling structure. The device is provided with the first hydraulic rod, the second hydraulic rod, the rotating shaft, the bottom arm rod and the upper arm rod, and can enable the organization structures of the first hydraulic rod and the rotating shaft to have a better supporting effect on the bottom arm rod and the upper arm rod after the height of the device is adjusted, and enable the screw rods not to provide a tensile force bearing effect.

Description

Jack with prevent empting structure

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a jack with an anti-toppling structure.

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.

The jack that uses at present generally has hydraulic jack or simple and easy rack jack, only plays the condition of an up-and-down motion at the in-process that uses, and then with the device jack-up, has manual jack and automatic jack, uses this kind of jack at present and can lead to empting and then make the object drop suddenly and cause the damage or probably cause the injury to the human body owing to the object effect by the jack-up at the in-process of using.

Disclosure of Invention

The invention provides a jack with an anti-toppling structure, which has the advantage of higher safety performance and solves the problems in the prior art.

The invention provides the following technical scheme: comprises a base, wherein first rotating shafts are movably arranged on two sides of the base, a bottom arm rod is movably sleeved on the outer side of the first rotating shaft, a rotating shaft is fixedly arranged in the middle of the upper surface of the base, a first hydraulic rod is movably connected to the upper surface of the base through the rotating shaft, a supporting seat is movably connected to the other end of the first hydraulic rod, oil pipes are fixedly connected to the upper part and the lower part of the side wall of the first hydraulic rod, a second hydraulic rod is fixedly connected to the other ends of the two oil pipes, a rubber bottom plate is fixedly bonded to the bottom of the base, a movable seat is movably arranged at the top of the bottom arm rod, an upper arm rod is movably connected to the inner side of the movable seat, a lead screw is arranged on the side surface of the movable seat in a threaded manner, a horizontal connecting rotary head is fixedly connected to one end of the lead screw, a second rotating shaft is movably arranged at the top of the upper arm rod, and the side surface of the second rotating shaft is movably connected with the supporting seat, the utility model discloses a hydraulic support of a hydraulic press, including supporting seat, side fixedly connected with side connecting seat, side movable mounting has the rotation piece, the side connecting seat rotates through the rotation piece and is connected with the connecting piece, the first side support bar of opposite side fixedly connected with of connecting piece, the bottom movable mounting of first side support bar has second side support bar, the bottom movable mounting of second side support bar has the bottom sprag seat, the medial surface fixedly connected with second linkage shaft of first side support bar, the first universal driving shaft of medial surface fixedly connected with of second side support bar, the outer edge and the second hydraulic stem swing joint of second linkage shaft, the bottom of second hydraulic stem and the top swing joint of first universal driving shaft.

Preferably, the number of the bottom arm rods and the number of the upper arm rods are two, and the bottom arm rods and the upper arm rods are symmetrically distributed by taking the central line of the top plate as a symmetry axis.

Preferably, the length value of the screw rod is greater than the sum of the length values of the two bottom arm rods, so that the screw rod cannot be separated when the two bottom arm rods are in a horizontal state.

Preferably, the maximum rotation angle value of the rotating member is ninety degrees.

Preferably, the bottom of each of the two oil pipes is fixedly provided with a control valve, and the two oil pipes are installed in a vertically staggered manner.

The invention has the following beneficial effects:

this jack with prevent empting structure, through being equipped with first hydraulic stem liquid, the second hydraulic stem, the axis of rotation, the combination of bottom armed lever and last armed lever is used, the device can make first hydraulic stem behind the equipment height-adjusting, the organizational structure of axis of rotation plays main supporting role to the top plate, it gives the extra tensile stress of lead screw to have reduced top plate pressurized band, in addition, adopt two oil pipe with the second hydraulic stem through first hydraulic stem and communicate hydraulic pressure chamber alternating expression, make first hydraulic stem and second hydraulic stem stretch out and draw back in step, and then guarantee side brace mechanism can reach synergistic effect with the vertical braces after using initial stage adjustment, guarantee its stability.

Drawings

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

FIG. 2 is a cross-sectional view of the base of the present invention;

fig. 3 is a schematic view of a side support bar according to the present invention.

In the figure: 1. a base; 2. a movable seat; 3. horizontally connecting the rotary head; 4. a bottom arm; 5. an upper arm lever; 6. a supporting seat; 7. a top plate; 8. a second rotating shaft; 9. a first rotating shaft; 10. a screw rod; 11. a rubber bottom plate; 12. a first hydraulic lever; 13. a rotating shaft; 14. a side connecting seat; 15. a rotating member; 16. a first side support bar; 17. a second side support bar; 18. a bottom support seat; 19. a first linkage shaft; 20. a second hydraulic rod; 21. a second linkage shaft; 22. a connecting member; 23. and (4) an oil pipe.

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, comprising a base 1, wherein first rotating shafts 9 are movably mounted on two sides of the base 1, a bottom arm 4 is movably sleeved on the outer side of the first rotating shaft 9, a rotating shaft 13 is fixedly mounted in the middle of the upper surface of the base 1, the upper surface of the base 1 is movably connected with a first hydraulic rod 12 through the rotating shaft 13, the other end of the first hydraulic rod 12 is movably connected with a supporting seat 6, oil pipes 23 are fixedly connected with the upper and lower parts of the side wall of the first hydraulic rod 12, the other ends of the two oil pipes 23 are fixedly connected with a second hydraulic rod 20, a rubber bottom plate 11 is fixedly bonded on the bottom of the base 1, a movable seat 2 is movably mounted on the top of the bottom arm 4, an upper arm 5 is movably connected with the inner side surface of the movable seat 2, a lead screw 10 is mounted on the side surface of the movable seat 2 by screw threads, a horizontally connected rotating head 3 is fixedly connected with one end of the lead screw 10, and a second rotating shaft 8 is movably mounted on the top of the upper arm 5, the side surface of the second rotating shaft 8 is movably connected with the supporting seat 6, the top part of the supporting seat 6 is fixedly provided with a top plate 7, the screw rod 10 only plays a role in adjusting the equipment and does not provide an anti-tensile force bearing effect on the whole equipment, the screw rod 10 is not limited by the anti-tensile force bearing capacity when in use, the side surface of the supporting seat 6 is fixedly connected with a side connecting seat 14, the side surface of the side connecting seat 14 is fixedly provided with a rotating part 15, the side connecting seat 14 is rotatably connected with a connecting part 22 through the rotating part 15, the other side of the connecting part 22 is fixedly connected with a first side supporting rod 16, the bottom of the first side supporting rod 16 is movably provided with a second side supporting rod 17, the bottom of the second side supporting rod 17 is movably provided with a bottom supporting seat 18, the inner side surface of the first side supporting rod 16 is fixedly connected with a second coupling shaft 21, and the inner side surface of the second side supporting rod 17 is fixedly connected with a first coupling shaft 19, the outer edge of the second linkage shaft 21 is movably connected with a second hydraulic rod 20, the bottom of the second hydraulic rod 20 is movably connected with the top of the first linkage shaft 19, the jack can jack up the side surface of the jack in the using process by arranging the side connecting seats 14, the rotating parts 15, the connecting parts 22, the first side supporting rod 16, the second side supporting rod 17 and the second hydraulic rod 20, the number of the bottom arm rods 4 and the upper arm rods 5 is two, the two bottom arm rods 4 and the upper arm rods 5 are symmetrically distributed by taking the central line of the top plate 7 as a symmetry axis, the length value of the screw rod 10 is greater than the sum of the length values of the two bottom arm rods 4, the maximum rotation angle value of the rotating part 15 is ninety degrees, the bottom of each of the two oil pipes 23 is fixedly provided with a control valve, and the two oil pipes 23 are installed in an up-and-down staggered manner, wherein the up-and-down staggered manner is explained as follows: one end of an oil pipe 23 is communicated with the upper hydraulic cavity of the first hydraulic rod 12, and the other end is communicated with the lower hydraulic cavity of the second hydraulic rod 20; one end of the other oil pipe 23 is communicated with the lower hydraulic chamber of the first hydraulic rod 12, and the other end is communicated with the upper hydraulic chamber of the second hydraulic rod 20.

Wherein, the bottom fixedly connected with oil pipe 23 of first hydraulic stem 12, and with the top fixed connection of the second hydraulic stem 20 side of oil pipe, when first hydraulic stem 12 received the bearing capacity, can pass through oil pipe with its inside hydraulic oil and discharge to the inside of second hydraulic stem 20, make the partial force reaction that first hydraulic stem 12 received to second hydraulic stem 20, wholly provide the side direction support to its equipment, make it can reach vertical and slant cooperation when using and use, stability is stronger, and adopt the control valve to control it, after closing the control valve with its one side, whole oil circuit is in the oil circuit and does not lead to the state, after its height is the same, its both sides are in balanced state, so its stability is stronger.

The jack with the anti-toppling structure has the following working principle:

when the lifting jack is used, the first side supporting rod 16 is firstly inclined, then the bottom supporting seat 18 is placed on the ground, the second side supporting rod 17 is pushed towards the inner side of the lifting jack, so that the force of the second hydraulic rod 20 pulls the first side supporting rod 16 and the second side supporting rod 17 to ensure that the side surface of the lifting jack is supported, then the top plate 7 is placed at the bottom of an object, at the moment, the auxiliary rod is used for driving the horizontal connecting swivel 3 to rotate, the horizontal connecting swivel 3 drives the screw rod 10 to rotate so as to enable the movable seat 2 to move towards the inner side, so that the bottom arm rod 4 and the upper arm rod 5 are inclined around the movable seat 2, so that the supporting seat 6 moves upwards, at the moment, the angle of the bottom arm rod 4 is inclined, the first hydraulic rod 12 can drive the rotating shaft 13 to change the angle, and further the first hydraulic rod 12 forms supporting force for the bottom arm rod 4 and the upper arm rod 5, and adopt oil pipe 23 to connect first hydraulic stem 12, after rising to certain height, because its inside hydraulic oil is equal, second hydraulic stem 20 rises synchronously also when first hydraulic stem 12 rises, inside hydraulic oil complements each other, makes it be in relative steady state, and when its rise to required height, its upper surface is in same water flat line, so can not appear the situation of single hydraulic stem atress, improve its stability of supporting.

If the invention is used under the condition that the road surface has a certain slope, the side stay bar can be arranged below the slope, so that the inclined support achieves the best use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A jack with prevent empting structure, includes base (1), its characterized in that: the device comprises a base (1), wherein two sides of the base (1) are movably provided with a first rotating shaft (9), the outer side of the first rotating shaft (9) is movably sleeved with a bottom arm rod (4), the middle part of the upper surface of the base (1) is fixedly provided with a rotating shaft (13), the upper surface of the base (1) is movably connected with a first hydraulic rod (12) through the rotating shaft (13), the other end of the first hydraulic rod (12) is movably connected with a supporting seat (6), oil pipes (23) are fixedly connected above and below the side wall of the first hydraulic rod (12), the other ends of the two oil pipes (23) are fixedly connected with a second hydraulic rod (20), the bottom of the base (1) is fixedly bonded with a rubber bottom plate (11), the top of the bottom arm rod (4) is movably provided with a movable seat (2), and the inner side surface of the movable seat (2) is movably connected with an upper arm rod (5), the side face of the movable seat (2) is provided with a screw rod (10) in a threaded manner, one end of the screw rod (10) is fixedly connected with a horizontally connected rotating head (3), the top of the upper arm rod (5) is provided with a second rotating shaft (8), the side face of the second rotating shaft (8) is movably connected with a supporting seat (6), the top of the supporting seat (6) is fixedly provided with a top plate (7), the side face of the supporting seat (6) is fixedly connected with a side connecting seat (14), the side face of the side connecting seat (14) is fixedly provided with a rotating piece (15), the side connecting seat (14) is rotatably connected with a connecting piece (22) through the rotating piece (15), the other side of the connecting piece (22) is fixedly connected with a first side supporting rod (16), the bottom of the first side supporting rod (16) is movably provided with a second side supporting rod (17), the bottom of the second side supporting rod (17) is movably provided with a bottom supporting seat (18), the inner side surface of the first side supporting rod (16) is fixedly connected with a second linkage shaft (21), the inner side surface of the second side supporting rod (17) is fixedly connected with a first linkage shaft (19), the outer edge of the second linkage shaft (21) is movably connected with a second hydraulic rod (20), and the bottom of the second hydraulic rod (20) is movably connected with the top of the first linkage shaft (19).

2. A jack with an anti-toppling structure as claimed in claim 1, wherein: the number of the bottom arm rods (4) and the number of the upper arm rods (5) are two, and the bottom arm rods (4) and the upper arm rods (5) are symmetrically distributed by taking the central line of the top plate (7) as a symmetry axis.

3. A jack with an anti-toppling structure as claimed in claim 1, wherein: the length value of the screw rod (10) is greater than the sum of the length values of the two bottom arm rods (4).

4. A jack with an anti-toppling structure as claimed in claim 1, wherein: the maximum rotation angle value of the rotating piece (15) is ninety degrees.

5. A jack with an anti-toppling structure as claimed in claim 1, wherein: the bottom of the two oil pipes (23) is fixedly provided with a control valve, and the two oil pipes (23) are installed in a vertically staggered mode.