CN216659849U

CN216659849U - Supporting leg leveling device of overhead working truck

Info

Publication number: CN216659849U
Application number: CN202123184617.8U
Authority: CN
Inventors: 李琦
Original assignee: Shandong Zhongqi Tiancheng Machinery Co ltd
Current assignee: Shandong Zhongqi Tiancheng Machinery Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-03
Anticipated expiration: 2031-12-17

Abstract

The utility model belongs to the technical field of leveling devices, and discloses a leveling device for supporting legs of an overhead working truck, which comprises a truck frame, wherein a fixed frame is fixedly arranged at the upper end of the truck frame, the middle part of the fixed frame is movably connected with an expansion frame, a hydraulic cylinder is fixedly arranged at the rear end of the expansion frame, the lower end of the hydraulic cylinder is movably connected with a balance supporting leg, the lower end of the balance supporting leg is provided with a moving groove, and the upper end of the moving groove is fixedly connected with a spring. According to the utility model, the moving groove is firstly contacted with the ground before the balance supporting legs are contacted with the ground, so that the ground extrudes the moving groove to compress the spring, the indicating block is driven to move upwards along the scale groove, and then a worker can observe the scale groove to determine whether the balance supporting legs are attached to the ground or not, thus the phenomenon that the pressure borne by each balance supporting leg is inconsistent because the sight is obstructed by weeds and the like on the ground and the observation is inconvenient is avoided, and the inclination of the frame caused by the fact that the balance supporting leg parts are not attached to the ground is reduced.

Description

Supporting leg leveling device of overhead working truck

Technical Field

The utility model belongs to the technical field of leveling devices, and particularly relates to a leveling device for a support leg of an overhead working truck.

Background

The aerial work vehicle is a special vehicle for transporting workers and equipment to a site and performing aerial work, and the aerial work vehicle comprises a chassis, a power transmission device, a working device, a safety device, a hydraulic system and the like in order to realize the aerial work function.

The working device of the high-altitude operation vehicle comprises a supporting leg mechanism, a lifting mechanism, a swing mechanism, a flat field platform, a leveling mechanism of the flat field platform and the like, wherein the supporting leg mechanism of the existing high-altitude operation vehicle mainly adopts hydraulic supporting legs, four hydraulic supporting legs can be independently extended or retracted in order to ensure the horizontal state of the high-altitude operation vehicle when in use, but the extending lengths of the existing hydraulic supporting legs are mostly judged by manpower, so that the pressure born by each hydraulic supporting leg after adjustment is difficult to ensure to be consistent.

The four hydraulic support legs of the existing high-altitude operation vehicle can be independently extended out or retracted, so that the high-altitude operation vehicle can conveniently operate on uneven or inclined ground, but the height of the four support legs of the high-altitude operation vehicle after being adjusted according to the ground condition is difficult to ensure that the base of the high-altitude operation vehicle is in a horizontal state.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a leveling device for support legs of an overhead working truck, which has the advantages that the pressure of each hydraulic support leg is consistent after adjustment and the overhead working truck is in a horizontal state.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aerial working platform truck landing leg levelling device, includes the frame, the upper end fixed mounting of frame has the mount, the middle part swing joint of mount has the expansion bracket, the rear end fixed mounting of expansion bracket has the pneumatic cylinder, the lower extreme swing joint of pneumatic cylinder has balanced landing leg, the shifting chute has been seted up to the lower extreme of balanced landing leg, the upper end fixedly connected with spring of shifting chute, the lower extreme fixed mounting of spring has the compression piece, the last left end fixed mounting of compression piece has the instruction piece, instruction groove and scale groove have been seted up to the left end of balanced landing leg.

According to the preferable technical scheme, the tire set is fixedly arranged at the bottom of the frame, the fixed box is fixedly arranged in the middle of the frame, the gravity sensor is fixedly arranged in the middle of the fixed box, the measuring body is movably arranged in the middle of the gravity sensor, the left end of the gravity sensor is fixedly connected with the first conveying line, the left end of the first conveying line is fixedly connected with the storage battery, the left end of the storage battery is fixedly connected with the second conveying line, the left end of the second conveying line is fixedly connected with the indicator light, and the frame is supported through the tire set, so that the normal use of the frame is guaranteed when the balance support leg is not in contact with the ground.

As a preferred technical scheme of the utility model, the front end and the rear end of the fixed frame are movably connected with telescopic frames, the number of the hydraulic cylinders and the number of the balance supporting legs are four, the balance supporting legs are composed of cylinders at the upper end and round platforms at the lower end, the position of the frame is stable, the contact area of the balance supporting legs and the bottom surface is increased and the stability of the balance supporting legs is improved because the four telescopic frames, the hydraulic cylinders and the four balance supporting legs are composed of cylinders at the upper end and round platforms at the lower end.

As a preferred technical solution of the present invention, the left end of the moving groove is communicated with the right end of the indicating groove, the moving groove is a T-shaped clamping groove, the compressing block is a T-shaped clamping block and is adapted to the moving groove, the indicating block can move inside the indicating groove following the movement of the compressing block by the adaptation of the moving groove and the indicating groove, and the moving direction of the moving groove is limited by the compressing block by the shape and relationship of the moving groove and the compressing block.

As a preferred technical scheme of the utility model, a clamping groove is formed in the middle of the lower end of the fixing box, a gravity sensor is fixedly mounted at the bottom of the clamping groove, the measuring body consists of a water tank at the upper end and a balance block at the lower end, the storage battery is fixedly mounted at the lower end of the frame, the gravity sensor is fixedly placed at the bottom of the clamping groove through the clamping groove at the lower end of the fixing box, so that the measuring body placed at the upper end of the gravity sensor is easy to restore to the original state after being toppled, and the measuring body can topple when not in a horizontal state through the water tank at the upper end of the measuring body and the balance block at the lower end of the measuring body.

As a preferable technical scheme, the indicating lamp is fixedly arranged at the left end of the frame, the front end and the rear end of the storage battery are respectively and fixedly connected with the second conveying line and the first conveying line, and the second conveying line and the first conveying line are respectively and fixedly arranged at the front end and the rear end of the storage battery, so that the pressure applied to the gravity sensor can be transmitted to the indicating lamp through the first conveying line, the storage battery and the second conveying line to be displayed, and the observation of workers is facilitated.

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

1. according to the utility model, the moving groove is firstly contacted with the ground before the balance supporting legs are contacted with the ground, so that the ground extrudes the moving groove to compress the spring, the indicating block is driven to move upwards along the scale groove, and then a worker can observe the scale groove to determine whether the balance supporting legs are attached to the ground or not, thus the phenomenon that the pressure borne by each balance supporting leg is inconsistent because the sight is obstructed by weeds and the like on the ground and the observation is inconvenient is avoided, and the inclination of the frame caused by the fact that the balance supporting leg parts are not attached to the ground is reduced.

2. According to the utility model, after the vehicle frame stops, the water flow in the upper end of the measuring body can incline towards the inclination direction of the vehicle frame, so that the measuring body is integrally inclined, the pressure borne by the gravity sensor is reduced, at the moment, the indicating lamp can display red, and if the pressure borne by the gravity sensor is increased to a specified value when the vehicle frame is in a horizontal state, the indicating lamp can display green, so that the horizontal state of the overhead working truck is ensured.

Drawings

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

FIG. 2 is a cross-sectional schematic view of a structural frame of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at point A in FIG. 2;

fig. 4 is a schematic cross-sectional view of a structural balance leg of the present invention.

In the figure: 1. a frame; 2. a fixed mount; 3. a telescopic frame; 4. a hydraulic cylinder; 5. a balance leg; 6. a moving groove; 7. a spring; 8. an indication block; 9. compressing the block; 10. an indication groove; 11. a scale groove; 12. an indicator light; 13. a set of tires; 14. a fixed box; 15. a gravity sensor; 16. a measuring body; 17. a first conveyor line; 18. a storage battery; 19. and a second conveyor line.

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.

As shown in fig. 1 to 4, the utility model provides a leveling device for supporting legs of an overhead working truck, which comprises a truck frame 1, wherein a fixed frame 2 is fixedly installed at the upper end of the truck frame 1, an expansion frame 3 is movably connected to the middle part of the fixed frame 2, a hydraulic cylinder 4 is fixedly installed at the rear end of the expansion frame 3, a balance supporting leg 5 is movably connected to the lower end of the hydraulic cylinder 4, a moving groove 6 is formed in the lower end of the balance supporting leg 5, a spring 7 is fixedly connected to the upper end of the moving groove 6, a compression block 9 is fixedly installed at the lower end of the spring 7, an indication block 8 is fixedly installed at the upper left end of the compression block 9, and an indication groove 10 and a scale groove 11 are formed in the left end of the balance supporting leg 5.

Wherein, the bottom fixed mounting of frame 1 has tire group 13, the middle part fixed mounting of frame 1 has fixed case 14, the middle part fixed mounting of fixed case 14 has gravity sensor 15, the middle part activity of gravity sensor 15 has placed the measuring body 16, the first transfer chain 17 of the left end fixedly connected with of gravity sensor 15, the left end fixedly connected with battery 18 of first transfer chain 17, the left end fixedly connected with second transfer chain 19 of battery 18, the left end fixedly connected with pilot lamp 12 of second transfer chain 19, support frame 1 through tire group 13, guarantee the normal use of frame 1 when making balanced landing leg 5 not contact with ground.

Wherein, the equal swing joint in both ends has expansion bracket 3 around mount 2, expansion bracket 3, pneumatic cylinder 4 and balanced landing leg 5 all have four, balanced landing leg 5 comprises cylinder and the round platform body of lower extreme of upper end, all have four through expansion bracket 3, pneumatic cylinder 4 and balanced landing leg 5 for the stable in position of frame 1, constitute by cylinder and the round platform body of lower extreme of upper end through balanced landing leg 5, make balanced landing leg 5 and bottom surface area of contact increase, improve the stability of balanced landing leg 5.

Wherein, the left end of shifting chute 6 link up with the right-hand member of instructing groove 10 mutually, shifting chute 6 is "T" style of calligraphy draw-in groove, and compression piece 9 is "T" style of calligraphy fixture block and with shifting chute 6 looks adaptation, through shifting chute 6 and instruction groove 10 looks adaptation for instruction piece 8 can be in the inside removal of instructing groove 10 of the removal of following compression piece 9, through the shape and the relation of shifting chute 6 and compression piece 9, makes compression piece 9 have restricted the moving direction of shifting chute 6.

Wherein, draw-in groove and draw-in groove bottom fixed mounting have been seted up at the lower extreme middle part of fixed box 14 have gravity sensor 15, measuring body 16 comprises the water tank of upper end and the balancing piece of lower extreme, battery 18 fixed mounting is in the lower extreme of frame 1, draw-in groove and draw-in groove bottom fixed placement of fixed box 14 lower extreme have gravity sensor 15, make measuring body 16 that gravity sensor 15 upper end was placed easily reconversion after empting, through the water tank of the upper end of measuring body 16 and balancing piece of lower extreme, make measuring body 16 can empty when gravity sensor 15 is not in the horizontality.

Wherein, pilot lamp 12 fixed mounting is in the left end of frame 1, and both ends are fixedly connected with second transfer chain 19 and first transfer chain 17 respectively around battery 18, and both ends are fixed mounting respectively around battery 18 has second transfer chain 19 and first transfer chain 17 for the pressure accessible that gravity sensor 15 received sends to pilot lamp 12 and shows, makes things convenient for the staff to observe by first transfer chain 17 of pressure accessible, battery 18 and second transfer chain 19.

The working principle and the using process of the utility model are as follows:

when the device is used, the telescopic frame 3 is firstly pushed out to a proper position from the inside of the fixed frame 2, then the balance supporting leg 5 is descended to a needed position, the moving groove 6 is firstly contacted with the ground before the balance supporting leg 5 is contacted with the ground, so that the ground extrudes the moving groove 6 to compress the spring 7, the indicating block 8 is driven to move upwards along the scale groove 11, then a worker can observe the scale groove 11 to determine whether the balance supporting leg 5 is attached to the ground, the condition that the sight is blocked by weeds and the like on the ground is avoided, the observation is inconvenient, the inclination of the frame 1 caused by the fact that the part of the balance supporting leg 5 is not attached to the ground is reduced, then the indicating lamp 12 is observed to be green, the water flow in the upper end of the measuring body 16 is inclined towards the inclination direction of the frame 1 after the frame 1 is stopped, the measuring body 16 is integrally inclined, the pressure borne by the gravity sensor 15 is reduced, and the indicating lamp 12 is red, if the pressure applied on the gravity sensor 15 is increased to a specified value when the vehicle frame 1 is in a horizontal state, the indicator lamp 12 is displayed in green.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aerial cage landing leg levelling device, includes frame (1), its characterized in that: the utility model discloses a bicycle frame, including frame (1), middle part swing joint have expansion bracket (3) of frame (2), the rear end fixed mounting of expansion bracket (3) has pneumatic cylinder (4), the lower extreme swing joint of pneumatic cylinder (4) has balanced landing leg (5), shifting chute (6) have been seted up to the lower extreme of balanced landing leg (5), the upper end fixedly connected with spring (7) of shifting chute (6), the lower extreme fixed mounting of spring (7) has compression piece (9), the last left end fixed mounting of compression piece (9) has instruction piece (8), instruction groove (10) and scale groove (11) have been seted up to the left end of balanced landing leg (5).

2. The aerial cage support leg leveling device of claim 1, wherein: the utility model discloses a bicycle frame, including frame (1), the bottom fixed mounting of frame (1) has tire group (13), the middle part fixed mounting of frame (1) has fixed case (14), the middle part fixed mounting of fixed case (14) has gravity sensor (15), the middle part activity of gravity sensor (15) has placed measurement body (16), the left end fixedly connected with first transfer chain (17) of gravity sensor (15), the left end fixedly connected with battery (18) of first transfer chain (17), the left end fixedly connected with second transfer chain (19) of battery (18), the left end fixedly connected with pilot lamp (12) of second transfer chain (19).

3. The support leg leveling device of the overhead working truck as claimed in claim 1, wherein: the equal swing joint in both ends has expansion bracket (3) around mount (2), expansion bracket (3), pneumatic cylinder (4) and balanced landing leg (5) all have four, balanced landing leg (5) comprise cylinder and the round platform body of lower extreme on by.

4. The support leg leveling device of the overhead working truck as claimed in claim 1, wherein: the left end of the moving groove (6) is communicated with the right end of the indicating groove (10), the moving groove (6) is a T-shaped clamping groove, and the compression block (9) is a T-shaped clamping block and is matched with the moving groove (6).

5. The support leg leveling device of the overhead working truck as claimed in claim 2, wherein: the lower extreme middle part of fixed case (14) has been seted up the draw-in groove and draw-in groove bottom fixed mounting has gravity sensor (15), measure body (16) and comprise the water tank of upper end and the balancing block of lower extreme, battery (18) fixed mounting is in the lower extreme of frame (1).

6. The support leg leveling device of the overhead working truck as claimed in claim 2, wherein: the indicating lamp (12) is fixedly installed at the left end of the frame (1), and the front end and the rear end of the storage battery (18) are fixedly connected with a second conveying line (19) and a first conveying line (17) respectively.