CN218931581U - Compact direct current hydraulic support leg - Google Patents

Abstract

The utility model discloses a compact direct-current hydraulic support leg, which relates to the technical field of direct-current hydraulic support legs and aims to solve the technical problems of complicated installation, messy layout, large stroke error and easiness in oil leakage in the prior art; the direct-current hydraulic support leg comprises a direct-current hydraulic system; the outer side of the direct current hydraulic system is provided with a direct current control valve group, the outer side of the direct current hydraulic system is fixedly provided with a translation flange, the outer side of the translation flange is provided with a heavy hydraulic cylinder, the outer side of the translation flange is fixedly provided with a mounting frame, the outer side of the mounting frame is provided with a displacement sensing assembly, and the outer side of the heavy hydraulic cylinder is provided with a limit protection assembly; the compact type direct-current hydraulic support leg is only required to be provided with the limiting protection component which is used for protecting the parallel extension of the displacement sensing component and also assisting the parallel extension of the piston rod of the heavy-duty hydraulic cylinder, so that the compact type direct-current hydraulic support leg has the advantages of simple structure, convenience in installation, capability of realizing precision control, small installation space requirement and no leakage risk in rigid pipeline connection.

Description

Compact direct current hydraulic support leg

Technical Field

The utility model belongs to the technical field of direct-current hydraulic support legs, and particularly relates to a compact direct-current hydraulic support leg.

Background

Nowadays, the use industry field of direct current hydraulic support leg is comparatively common, and direct current hydraulic support leg is thereby realizes the function of lift through the pressure transmission of hydraulic oil, and direct current hydraulic support leg is a liftable machine equipment that comprises running gear, hydraulic mechanism, electric control mechanism, supporting mechanism.

Currently, the utility model patent CN201720628056.0 discloses a hydraulic leg comprising: a supporting arm which extends out of the vehicle body along with the working of the transverse hydraulic tappet, wherein a fixed shell is further arranged at the end of the supporting arm, and a telescopic shell is embedded in the fixed shell; a hydraulic cylinder which is vertically arranged is fixed on the fixed shell, and a piston rod which moves up and down relative to the hydraulic cylinder passes through a round hole at the lower end of the telescopic shell to be connected with the base; the piston rod below the intersection of the piston rod and the round hole in the shrinkage state of the hydraulic cylinder is also provided with the positioning groove with the annular concave structure, and the positioning groove is connected with the telescopic shell through the panel in clamping connection, so that the beneficial effects are that: the piston rod is protected by adding the metal telescopic shell outside the piston rod of the hydraulic support leg, so that the piston rod is prevented from being damaged by unexpected lateral force, and meanwhile, the bottom end of the piston rod is also provided with the panel which is clamped, so that synchronous movement of the telescopic shell and the piston rod is achieved under the condition that the stress of the piston rod is not reduced; the hydraulic support is characterized in that a metal telescopic shell is added outside a piston rod of the hydraulic support to protect the piston rod, but in the using process of the hydraulic support, the direct-current hydraulic support is formed by connecting a direct-current hydraulic system, a control valve group and an oil cylinder through pipelines, and the hydraulic support has the defects of complicated installation, messy layout, large stroke error, easiness in oil leakage and the like.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a compact direct current hydraulic support leg which aims at solving the technical problems of complicated installation, messy layout, large stroke error and easy oil leakage in the prior art.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a compact direct-current hydraulic support leg, which comprises a direct-current hydraulic system; the direct current hydraulic system's outside is provided with direct current control valves, direct current hydraulic system's outside fixed mounting has the translation flange, the outside of translation flange is provided with heavy pneumatic cylinder, the outside fixed mounting of translation flange has the mounting bracket, the outside of mounting bracket is provided with displacement sensing subassembly, the outside of heavy pneumatic cylinder is provided with spacing protection subassembly, heavy pneumatic cylinder's bottom is provided with universal foot dish, heavy pneumatic cylinder's upper end fixed mounting has vertical flange.

When the compact direct-current hydraulic support leg of the technical scheme is used, the heavy hydraulic cylinder is provided with the vertical flange and the translation flange so as to be convenient to install and fix, and particularly the translation flange plays a key role in strengthening overall rigidity, the heavy hydraulic cylinder is provided with the displacement sensing assembly so as to output analog quantity signals in real time to detect and control stroke positions, multi-group synchronous action PID control can also be carried out, the configured limiting protection assembly is used for protecting the displacement sensing assembly from parallel expansion and contraction and also assisting the piston rod of the heavy hydraulic cylinder from parallel expansion and contraction, the service lives of the heavy hydraulic cylinder and the displacement sensing assembly are greatly prolonged, and the universal foot plate is arranged so as to eliminate the damage of uneven ground to the body in the using working condition, so that the hydraulic support leg has the advantages of simple structure, convenience in installation, small installation space requirement and no leakage risk in rigid pipeline connection.

Further, the inside of displacement sensing subassembly is including displacement sensor, displacement sensor set up in the outside of mounting bracket, displacement sensor's outside is provided with the connecting plate, the connecting plate with displacement sensor rotates to be connected, and heavy pneumatic cylinder is furnished with displacement sensor and can export analog quantity signal detection and control stroke position in real time, is convenient for connect displacement sensor through the setting of connecting plate.

Further, the displacement sensing assembly comprises a fixed block, the fixed block is arranged below the connecting plate, a rotating shaft is arranged at the upper end of the fixed block, the rotating shaft is rotationally connected with the connecting plate, and the fixed block and the connecting plate are driven through the rotating connection of the rotating shaft and the connecting plate.

Further, the inside of spacing protection subassembly is including preventing rotatory guide arm, prevent rotatory guide arm set up in the bottom of fixed block, prevent rotatory guide arm is located heavy pneumatic cylinder's the place ahead is connected fixed block and collar through the setting of preventing rotatory guide arm.

Further, the inside of spacing protection subassembly is including spacing slide, spacing slide is fixed that and is loaded heavy pneumatic cylinder's the outside, spacing slide with prevent rotatory guide arm sliding connection is used for protecting that displacement sensing subassembly is parallel flexible also supplementary heavy pneumatic cylinder piston rod is parallel flexible through the sliding connection of preventing rotatory guide arm and spacing slide.

Further, the inside of spacing protection subassembly is including the collar, the collar set up in prevent the bottom of rotatory guide arm, the collar pass through prevent rotatory guide arm with fixed block interconnect installs rotatory guide arm through the setting of collar.

Further, the inside of spacing protection subassembly is including the connecting axle, the connecting axle set up in heavy pneumatic cylinder's bottom outside, the connecting axle with the collar interconnect carries out the connection processing to the universal foot dish through the interconnect of connecting axle and collar, also can do multiunit synchronous action PID control.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the compact direct-current hydraulic support leg is convenient to install and fix by utilizing the heavy hydraulic cylinder provided with the vertical flange and the translation flange, particularly the translation flange plays a key role in strengthening the overall rigidity, the heavy hydraulic cylinder is provided with the displacement sensor, analog quantity signal detection and stroke position control can be output in real time, the displacement sensor is conveniently connected through the arrangement of the connecting plate, the fixed block and the connecting plate are transmitted through the rotary connection of the rotating shaft and the connecting plate, the fixed block and the mounting ring are connected through the arrangement of the anti-rotation guide rod, the anti-rotation guide rod is subjected to limit treatment through the sliding connection of the anti-rotation guide rod and the limit sliding seat, the anti-rotation guide rod is installed through the arrangement of the mounting ring, the universal foot plate is connected through the interconnection of the connecting shaft and the mounting ring, and multiple groups of synchronous action PID control can be performed, so that the structure is simple, the installation is convenient, the precision control can be realized, the installation space requirement is small, and the rigid pipeline connection has no leakage risk;

2. the compact direct-current hydraulic support leg is used for protecting the parallel extension of the displacement sensing assembly and assisting the parallel extension of the piston rod of the heavy-duty hydraulic cylinder through the sliding connection of the anti-rotation guide rod and the limiting sliding seat, so that the service lives of the heavy-duty hydraulic cylinder and the displacement sensing assembly are greatly prolonged, the damage of the uneven ground to the body in the use working condition is eliminated due to the arrangement of the universal foot plate, and the protection treatment of equipment is realized.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of an expanded structure of an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial perspective view of an embodiment of the present utility model;

fig. 4 is a schematic partial perspective view of a second embodiment of the present utility model.

The marks in the drawings are: 1. a direct current hydraulic system; 2. a direct current control valve group; 3. translating the flange; 4. a heavy hydraulic cylinder; 5. a mounting frame; 6. a displacement sensing assembly; 7. a limit protection component; 8. universal foot plate; 9. a vertical flange; 10. a displacement sensor; 11. a connecting plate; 12. a fixed block; 13. a rotating shaft; 14. anti-rotation guide rod; 15. a limit sliding seat; 16. a mounting ring; 17. and a connecting shaft.

Detailed Description

The specific embodiment is used for a compact direct-current hydraulic support leg, the schematic perspective structure of which is shown in fig. 1, the schematic unfolded structure of which is shown in fig. 2, and the direct-current hydraulic support leg comprises a direct-current hydraulic system 1; the outside of direct current hydraulic system 1 is provided with direct current control valves 2, the outside fixed mounting of direct current hydraulic system 1 has translation flange 3, the outside of translation flange 3 is provided with heavy pneumatic cylinder 4, the outside fixed mounting of translation flange 3 has mounting bracket 5, the outside of mounting bracket 5 is provided with displacement sensing assembly 6, the outside of heavy pneumatic cylinder 4 is provided with spacing protection subassembly 7, the bottom of heavy pneumatic cylinder 4 is provided with universal foot dish 8, the upper end fixed mounting of heavy pneumatic cylinder 4 has perpendicular flange 9.

For the present embodiment, the shape structure of the direct current hydraulic system 1 is set according to practical application situations, for example, the direct current hydraulic system 1 may be a rectangular structure, an arc structure, a polygonal structure, or the like.

The inside of displacement sensing subassembly 6 is including displacement sensor 10, displacement sensor 10 set up in the outside of mounting bracket 5, displacement sensor 10's outside is provided with connecting plate 11, connecting plate 11 with displacement sensor 10 rotates to be connected, and heavy pneumatic cylinder 4 is furnished with displacement sensor 10 and can export analog quantity signal detection and control stroke position in real time, is convenient for connect displacement sensor 10 through the setting of connecting plate 11, displacement sensing subassembly 6's inside is including fixed block 12, fixed block 12 set up in the below of connecting plate 11, the upper end of fixed block 12 is provided with pivot 13, pivot 13 with connecting plate 11 rotates to be connected, rotates through pivot 13 and connecting plate 11 to be connected fixed block 12 and connecting plate 11 and transmit.

The present embodiment is a compact dc hydraulic leg, the partial three-dimensional structure of which is shown in fig. 3, and the partial three-dimensional structure of which is shown in fig. 4, the inside of the limit guard assembly 7 includes an anti-rotation guide rod 14, the anti-rotation guide rod 14 is disposed at the bottom end of the fixed block 12, the anti-rotation guide rod 14 is located in front of the heavy hydraulic cylinder 4, the fixed block 12 is connected with the mounting ring 16 through the arrangement of the anti-rotation guide rod 14, the inside of the limit guard assembly 7 includes a limit slide 15, the limit slide 15 is fixed on the outside of the heavy hydraulic cylinder 4, the limit slide 15 is slidably connected with the anti-rotation guide rod 14, and the sliding connection between the anti-rotation guide rod 14 and the limit slide 15 is used for protecting the parallel extension of the piston rod of the heavy hydraulic cylinder 4.

Meanwhile, the inside of the limit protection component 7 comprises a mounting ring 16, the mounting ring 16 is arranged at the bottom end of the anti-rotation guide rod 14, the mounting ring 16 is connected with the fixed block 12 through the anti-rotation guide rod 14, the anti-rotation guide rod 14 is installed through the arrangement of the mounting ring 16, the inside of the limit protection component 7 comprises a connecting shaft 17, the connecting shaft 17 is arranged at the outer side of the bottom end of the heavy hydraulic cylinder 4, the connecting shaft 17 is connected with the mounting ring 16, the universal foot plate 8 is connected through the connection of the connecting shaft 17 and the mounting ring 16, and multiple groups of synchronous action PID control can be also performed.

When the compact direct-current hydraulic support leg adopting the technical scheme is used, the heavy hydraulic cylinder 4 is provided with the vertical flange 9 and the translation flange 3, so that the installation and the fixation are convenient, particularly, the translation flange 3 plays a key role in strengthening the overall rigidity, the heavy hydraulic cylinder 4 is provided with the displacement sensor 10, the detection and the control of the stroke position can be realized by outputting analog quantity signals in real time, the displacement sensor 10 is convenient to be connected through the arrangement of the connecting plate 11, the fixed block 12 and the connecting plate 11 are driven through the rotary connection of the rotating shaft 13 and the connecting plate 11, the fixed block 12 and the mounting ring 16 are connected through the arrangement of the anti-rotation guide rod 14, the anti-rotation guide rod 14 is subjected to the limit treatment through the sliding connection of the anti-rotation guide rod 14 and the limit sliding seat 15, install anti-rotation guide arm 14 through setting up of collar 16, interconnect through connecting axle 17 and collar 16 carries out the connection to universal foot dish 8 and handles, also can do multiunit synchronous action PID control, sliding connection through anti-rotation guide arm 14 and spacing slide 15 is used for protecting the parallel flexible heavy pneumatic cylinder 4 piston rod of also assisting heavy pneumatic cylinder 4 parallel flexible, heavy pneumatic cylinder 4 and displacement sensing assembly 6 life has been improved greatly, the setting of universal foot dish 8 is to the damage of eliminating the unevenness on ground to the body in the operating mode, thereby have the structure succinct, the installation is convenient, can realize precision control, the installation space demand is little, rigid piping connection does not have the seepage risk.

Claims (7)

1. A compact dc hydraulic leg comprising a dc hydraulic system; the hydraulic system is characterized in that a direct-current control valve bank is arranged on the outer side of the direct-current hydraulic system, a translation flange is fixedly arranged on the outer side of the direct-current hydraulic system, a heavy hydraulic cylinder is arranged on the outer side of the translation flange, a mounting frame is fixedly arranged on the outer side of the translation flange, a displacement sensing assembly is arranged on the outer side of the mounting frame, a limiting protection assembly is arranged on the outer side of the heavy hydraulic cylinder, a universal foot plate is arranged at the bottom end of the heavy hydraulic cylinder, and a vertical flange is fixedly arranged at the upper end of the heavy hydraulic cylinder.

2. The compact d.c. hydraulic leg of claim 1, wherein the displacement sensor assembly includes a displacement sensor disposed on an outer side of the mounting frame, and a connection plate disposed on an outer side of the displacement sensor and rotatably connected to the displacement sensor.

3. The compact direct current hydraulic support leg according to claim 2, wherein the displacement sensing assembly comprises a fixed block inside, the fixed block is arranged below the connecting plate, a rotating shaft is arranged at the upper end of the fixed block, and the rotating shaft is rotatably connected with the connecting plate.

4. A compact direct current hydraulic leg as claimed in claim 3 wherein said limit guard assembly includes an anti-rotation guide bar disposed at a bottom end of said fixed block, said anti-rotation guide bar being positioned in front of said heavy hydraulic cylinder.

5. The compact d.c. hydraulic leg of claim 4, wherein the interior of the limit guard assembly includes a limit slide, the limit slide securing the outer side of the heavy duty hydraulic cylinder, the limit slide slidably coupled to the anti-rotation guide bar.

6. The compact d.c. hydraulic leg of claim 5, wherein the inner portion of the limit guard assembly includes a mounting ring disposed at the bottom end of the anti-rotation guide bar, the mounting ring being interconnected with the fixed block by the anti-rotation guide bar.

7. The compact d.c. hydraulic leg of claim 6, wherein the inner portion of the limit guard assembly includes a connecting shaft disposed outside the bottom end of the heavy hydraulic cylinder, the connecting shaft being interconnected with the mounting ring.

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