Crane hydraulic supporting leg with self-locking function

Abstract

The utility model relates to a crane hydraulic supporting leg with a self-locking function, which belongs to the technical field of hydraulic supporting legs and comprises a hydraulic supporting leg, a supporting bottom plate is fixedly mounted at the bottom end of a piston rod of the hydraulic supporting leg, and two limiting strips are fixedly mounted at the top of the supporting bottom plate. And two movable bottom plates are slidably mounted between the two limiting strips, and two supporting rods are fixedly mounted at the tops of the movable bottom plates. According to the crane hydraulic supporting leg with the self-locking function, the movable bottom plate is arranged on the top of the supporting bottom plate, the supporting rods are arranged on the movable bottom plate, the self-locking plate is slidably mounted on the supporting rods, and the self-locking plate is driven to move up and down through the adjusting screw rod; the movable bottom plate drives the self-locking plate to make contact with a piston rod of the hydraulic supporting leg, the adjusting screw drives the self-locking plate to move upwards to make contact with the bottom of a cylinder body of the hydraulic supporting leg, the hydraulic supporting leg is supported, and the hydraulic supporting leg is prevented from losing supporting force.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic outrigger technical field, concretely is a crane hydraulic outrigger with self locking function. BACKGROUND

[0002] The crane hydraulic outrigger is a device for supporting and stabilizing the crane, which controls the extension and adjustment of the outrigger through the hydraulic system. The hydraulic outrigger realizes its extension and adjustment function through the drive of the hydraulic system. The hydraulic system includes hydraulic pump, hydraulic cylinder, control valve and other components, which pushes the piston rod of the hydraulic cylinder by controlling the flow of liquid, so as to realize the extension of the outrigger. Some advanced crane hydraulic outriggers are equipped with automatic leveling system, which uses sensors to monitor the level of the crane in real time, and automatically adjusts the height of the outrigger through the control system to maintain the stability of the crane.

[0003] The main function of the hydraulic outrigger is to provide stable support for the crane, prevent overturning due to uneven ground or uneven force during lifting operation, and significantly improve the lifting capacity and stability of the crane by increasing the span and number of outriggers, so that it can cope with more complex working environment and higher lifting requirements. The design of the hydraulic outrigger considers various safety factors such as overload protection and anti-overturning to ensure the safety of personnel and equipment during lifting operation. The rapid extension and adjustment function of the hydraulic outrigger can greatly shorten the installation and disassembly time of the crane and improve work efficiency.

[0004] The common crane hydraulic outrigger relies on its internal hydraulic system for support. When the hydraulic system fails, the crane hydraulic outrigger loses support, which directly leads to the imbalance of the crane and causes accidents such as rollover, which is very dangerous. In view of this, the present application provides a crane hydraulic outrigger with self locking function. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a crane hydraulic outrigger with self locking function, which has the advantages of having self locking function, preventing the crane hydraulic outrigger from losing support, etc. The common crane hydraulic outrigger relies on its internal hydraulic system for support. When the hydraulic system fails, the crane hydraulic outrigger loses support, which directly leads to the imbalance of the crane and causes accidents such as rollover, which is very dangerous.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a crane hydraulic support leg with self locking function, including hydraulic support leg, the piston rod bottom end fixed mounting of hydraulic support leg is supported bottom plate, the top fixed mounting of support bottom plate is two limit strips, two slidingly installed two mobile bottom plates between limit strips, the top fixed mounting of mobile bottom plate is two support rods, the surface slidingly installed of support rod is self locking plate, the top rotationally installed of mobile bottom plate is the adjusting screw rod of self locking plate screw connection.

[0007] Further, the adjusting screw rod is located between the two support rods, and the self locking plate is located below the hydraulic support leg cylinder.

[0008] Further, the side of the two mobile bottom plates away from each other is fixedly installed with a mobile vertical plate, and the top of the mobile vertical plate is fixedly installed with a control top plate.

[0009] Further, the bottom end of the support rod is fixedly installed at the bottom of the control top plate, and the top end of the adjusting screw rod is rotationally installed at the bottom of the control top plate.

[0010] Further, the top of the control top plate is rotationally installed with an adjusting knob, and the bottom of the adjusting knob is fixedly connected with the top end of the adjusting screw rod.

[0011] Further, the opposite side of the two self locking plates is provided with a self locking groove, and the self locking groove is matched with the piston rod of the hydraulic support leg.

[0012] Further, the top of the self locking plate is provided with a through hole matched with the support rod, and the top of the self locking plate is provided with an adjusting screw hole matched with the adjusting screw rod.

[0013] Further, the top of the support bottom plate is fixedly installed with two fixed vertical plates, and the two fixed vertical plates are respectively located at the two ends of the limit strip.

[0014] Further, one end of the mobile screw rod is rotationally connected with one side of the mobile vertical plate, the other end of the mobile screw rod is fixedly installed with a mobile knob, and the top of the hydraulic support leg is fixedly installed with a mounting top plate.

[0015] Compared with the prior art, the utility model provides a crane hydraulic support leg with self locking function, which has the following beneficial effects:

[0016] The hydraulic leg of the crane with the self-locking function is characterized in that: a moving bottom plate is arranged on the top of the supporting bottom plate, a supporting rod is arranged on the moving bottom plate, and a self-locking plate is slidably arranged on the supporting rod; the self-locking plate is driven to move up and down by the adjusting screw; when the hydraulic leg is elongated to a proper length, the moving bottom plate drives the self-locking plate to contact the piston rod of the hydraulic leg; the self-locking plate is driven to move up to the bottom of the cylinder of the hydraulic leg by the adjusting screw, thereby supporting the hydraulic leg and preventing the hydraulic leg from losing supporting force. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of the utility model;

[0018] Fig. 2 It is a structural front view of the utility model;

[0019] Fig. 3 It is a structural top view of the utility model;

[0020] Fig. 4 It is a three-dimensional view of the self-locking plate installation of the utility model.

[0021] In the drawing: 1, hydraulic leg; 2, supporting bottom plate; 3, limiting strip; 4, moving bottom plate; 5, supporting rod; 6, self-locking plate; 61, through hole; 62, adjusting screw hole; 7, adjusting screw; 8, moving vertical plate; 9, control top plate; 10, adjusting knob; 11, self-locking groove; 12, fixed vertical plate; 13, moving screw; 14, moving knob; 15, installation top plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1 to 4The utility model provides a crane hydraulic support leg with self locking function, including hydraulic support leg 1, the bottom end fixed mounting of hydraulic support leg 1's piston rod has support base plate 2, the top fixed mounting of support base plate 2 has two limiting strips 3, two mobile base plates 4 are slidably installed between two limiting strips 3, the top fixed mounting of mobile base plate 4 has two support rods 5, the surface of support rod 5 slidably installs self locking plate 6, the top of mobile base plate 4 is rotatably installed with the adjusting screw rod 7 that is screwed with self locking plate 6.

[0024] The piston rod of hydraulic support leg 1 is elongated, and the mobile base plate 4 drives the self locking plate 6 to move, and the self locking plate 6 is in contact with the piston rod of the hydraulic support leg 1, and the adjusting screw rod 7 drives the self locking plate 6 to move upwards to support the bottom of the cylinder of the hydraulic support leg 1.

[0025] Wherein, the adjusting screw rod 7 is located between the two support rods 5, and the self locking plate 6 is located below the cylinder of the hydraulic support leg 1.

[0026] Secondly, the opposite side of the two self locking plates 6 is provided with a self locking groove 11, and the self locking groove 11 is matched with the piston rod of the hydraulic support leg 1, so that the self locking plate 6 is clamped on the surface of the piston rod of the hydraulic support leg 1 through the self locking groove 11.

[0027] Meanwhile, the side away from each other of the two mobile base plates 4 is fixedly installed with a mobile vertical plate 8, and the top of the mobile vertical plate 8 is fixedly installed with a control top plate 9.

[0028] Wherein, the bottom end of the support rod 5 is fixedly installed at the bottom of the control top plate 9, and the top end of the adjusting screw rod 7 is rotatably installed at the bottom of the control top plate 9.

[0029] Secondly, the top of the control top plate 9 is rotatably installed with an adjusting knob 10, and the bottom of the adjusting knob 10 is fixedly connected with the top end of the adjusting screw rod 7. The adjusting knob 10 drives the adjusting screw rod 7 to rotate, and drives the self locking plate 6 to move up and down.

[0030] Meanwhile, the top of the self locking plate 6 is provided with a through hole 61 matched with the support rod 5, and the top of the self locking plate 6 is provided with an adjusting screw hole 62 matched with the adjusting screw rod 7.

[0031] Wherein, the top of the support base plate 2 is fixedly installed with two fixed vertical plates 12, and the two fixed vertical plates 12 are respectively located at the two ends of the limiting strip 3. One side of the fixed vertical plate 12 is screwedly installed with a moving screw rod 13.

[0032] Secondly, one end of the moving screw rod 13 is rotatably connected with one side of the mobile vertical plate 8, the other end of the moving screw rod 13 is fixedly installed with a moving knob 14, and the top of the hydraulic support leg 1 is fixedly installed with a mounting top plate 15. The moving knob 14 drives the moving screw rod 13 to rotate, drives the moving screw rod 13 to move, drives the mobile vertical plate 8 to move, and drives the mobile base plate 4 to move.

[0033] In use, when the piston rod of the hydraulic outrigger 1 is extended, the moving knob 14 drives the moving base plate 4 to move, and drives the self-locking groove 11 on one side of the self-locking plate 6 to contact the piston rod of the hydraulic outrigger 1, the adjusting screw 7 drives the self-locking plate 6 to move upward, and supports the bottom of the cylinder body of the hydraulic outrigger 1, so as to prevent the hydraulic outrigger 1 from losing supporting force.

[0034] The electrical components in the present application are electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer, and the existing disclosed power connection technology is not described herein.

[0035] It should be noted that, in this document, the relative terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0036] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Crane hydraulic outrigger with self-locking function, comprising a hydraulic outrigger (1), characterized in that: The bottom end of the piston rod of the hydraulic outrigger (1) is fixedly installed with a supporting bottom plate (2), the top of the supporting bottom plate (2) is fixedly installed with two limiting strips (3), two movable bottom plates (4) are slidably installed between the two limiting strips (3), the top of the movable bottom plate (4) is fixedly installed with two supporting rods (5), the surface of the supporting rod (5) is slidably installed with a self-locking plate (6), and the top of the movable bottom plate (4) is rotatably installed with an adjusting screw rod (7) which is threadedly connected with the self-locking plate (6).

2. The hydraulic crane outrigger with self-locking function according to claim 1, characterized in that: The adjusting screw rod (7) is located between the two supporting rods (5), and the self-locking plate (6) is located below the cylinder of the hydraulic outrigger (1).

3. The hydraulic crane outrigger with self-locking function according to claim 1, characterized in that: The side away from each other of the two movable bottom plates (4) is fixedly installed with a movable vertical plate (8), and the top of the movable vertical plate (8) is fixedly installed with a control top plate (9).

4. The hydraulic crane outrigger with self-locking function according to claim 3, characterized in that: The bottom end of the supporting rod (5) is fixedly installed at the bottom of the control top plate (9), and the top end of the adjusting screw rod (7) is rotatably installed at the bottom of the control top plate (9).

5. The hydraulic crane outrigger with self-locking function according to claim 4, characterized in that: The top of the control top plate (9) is rotatably installed with an adjusting knob (10), and the bottom of the adjusting knob (10) is fixedly connected with the top end of the adjusting screw rod (7).

6. The hydraulic crane outrigger with self-locking function according to claim 1, characterized in that: The opposite side of the two self-locking plates (6) is provided with a self-locking groove (11) matched with the piston rod of the hydraulic outrigger (1).

7. The hydraulic crane outrigger with self-locking function according to claim 1, characterized in that: The top of the self-locking plate (6) is provided with a through hole (61) matched with the supporting rod (5), and the top of the self-locking plate (6) is provided with an adjusting screw hole (62) matched with the adjusting screw rod (7).

8. The hydraulic crane outrigger with self-locking function according to claim 3, characterized in that: The top of the supporting bottom plate (2) is fixedly installed with two fixed vertical plates (12), and the two fixed vertical plates (12) are respectively located at the two ends of the limiting strip (3).

9. The hydraulic crane outrigger with self-locking function according to claim 8, characterized in that: One end of the movable screw rod (13) is rotatably connected with one side of the movable vertical plate (8), the other end of the movable screw rod (13) is fixedly installed with a movable knob (14), and the top of the hydraulic outrigger (1) is fixedly installed with a mounting top plate (15).

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