CN110902616B

CN110902616B - Platform driving hydraulic device for engineering

Info

Publication number: CN110902616B
Application number: CN201911241740.3A
Authority: CN
Inventors: 蒋英; 张静云
Original assignee: Hunan Tianhong Hydraulic Machinery Co ltd
Current assignee: Hunan Haotian Automobile Manufacturing Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2022-01-28
Anticipated expiration: 2039-12-06
Also published as: CN110902616A

Abstract

The invention discloses a platform driving hydraulic device for engineering, which comprises a base, wherein supporting rods are fixedly arranged on the top of the base in a vertical matrix manner, a transversely arranged fixed frame is fixed at the top end of each supporting rod, symmetrically arranged supporting plates are arranged on the inner bottom surface of the fixed frame in a sliding manner, a lifting mechanism is connected between the two supporting plates and comprises a plurality of lifting groups which are sequentially connected, each lifting group comprises a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are rotatably connected at the middle part of the first supporting rod and the second supporting rod, two transversely arranged sliding blocks are hinged to the top end of the lifting mechanism, and a supporting frame arranged in the horizontal direction is arranged on the top of the two sliding blocks in a sliding manner, so that the supporting frame can be lifted or lowered, and can be kept horizontal more stably when lifted and adjusted to a certain height and can be limited, prevent its unexpected whereabouts, play fine guard action, make its better actual demand that satisfies.

Description

Platform driving hydraulic device for engineering

Technical Field

The invention relates to the technical field of hydraulic platforms, in particular to a platform driving hydraulic device for engineering.

Background

The engineering platform is a product for serving mobile aloft work such as aloft work, equipment installation, maintenance and the like in various industries, and related products of the operation platform mainly comprise: a scissor type aerial work platform, a trailer type aerial work platform, a crank arm type aerial work platform, a straight arm type aerial work platform, an aluminum alloy aerial work platform, a nested cylinder type aerial work platform and a spider type aerial work platform.

However, the prior art is not perfect, the stability of the platform is poor, and although the lifting operation purpose can be achieved, the stability of the platform cannot well meet the actual requirement, so that a platform driving hydraulic device for engineering is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hydraulic device for driving a platform for engineering, which solves the problem of poor stability of the platform for engineering in use.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a platform driving hydraulic device for engineering comprises a base, wherein supporting rods are fixedly arranged on a vertical matrix at the top of the base, a transversely arranged fixed frame is fixed at the top end of each supporting rod, symmetrically arranged supporting plates are arranged on the inner bottom surface of the fixed frame in a sliding manner, a lifting mechanism is connected between the two supporting plates and comprises a plurality of lifting groups which are sequentially connected, each lifting group comprises a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are rotatably connected in the middle of the first supporting rod and the second supporting rod, two transversely arranged sliding blocks are hinged to the top end of the lifting mechanism, a supporting frame arranged in the horizontal direction is arranged at the top of the two sliding blocks in a sliding manner, two ends of the supporting frame are connected with stabilizing mechanisms fixedly connected with the sliding blocks, hydraulic cylinders are respectively arranged at two ends of the top of the base, and the piston ends of the hydraulic cylinders are connected with movable rods movably extending into the fixed frame, the fixed surface of movable rod top has the fixed plate that is located fixed frame inside, one side of fixed plate articulates there are a plurality of connecting rods that set up along its length direction, and is a plurality of the other end of connecting rod articulates in the backup pad, the both ends of fixed frame all are equipped with the restriction mechanism of restriction movable rod.

Preferably, the stabilizing mechanism comprises connecting plates fixed at two ends of the supporting frame, one side, close to each other, of each connecting plate is connected with a transversely arranged telescopic rod, and the other end of each telescopic rod is fixed to the sliding block.

Preferably, the restriction mechanism includes double-screw bolt, restriction cover and sets up the restriction mouth at fixed frame both ends, the one end of double-screw bolt is fixed at the movable rod, the double-screw bolt sets up and stretches out from the inside activity of restriction mouth along the horizontal direction, the restriction cover is round platform shape structure, and restriction cover threaded sleeve establishes the tip that the double-screw bolt stretches out the restriction mouth.

Preferably, the inner bottom surface of the fixing frame is symmetrically provided with first sliding grooves arranged along the length direction of the fixing frame, and the supporting plate is connected with the inner walls of the first sliding grooves in a sliding mode.

Preferably, the bottom surface of the supporting frame is provided with a second sliding groove arranged along the length direction of the supporting frame, and the top surface of the sliding block is connected with the inner wall of the second sliding groove in a sliding manner.

Preferably, the bottom of the fixed frame is provided with movable holes which are symmetrically arranged, and the movable rod movably extends into the fixed frame from the inside of the movable hole.

(III) advantageous effects

The invention provides a platform driving hydraulic device for engineering. The method has the following beneficial effects:

(1) through the plurality of the elevating system who can freely go up and down that link to each other in proper order that set up to can make the carriage rise or descend, with this satisfying actual demand, and under the effect of connecting plate and telescopic link, make the carriage when going up and down, more stable holding level.

(2) And through the restriction cover that can block on fixed frame that sets up, make it can play certain limiting action when adjusting a take the altitude, prevent that it from unexpected whereabouts, play fine guard action, make its better actual demand of satisfying.

Drawings

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

FIG. 2 is a schematic view of the connection between the fixing plate and the connecting rod according to the present invention;

FIG. 3 is a schematic structural view of the lifting mechanism of the present invention;

fig. 4 is a schematic structural view of the restricting sleeve of the present invention.

In the figure: the device comprises a base 1, a supporting rod 2, a fixed frame 3, a supporting plate 4, a lifting mechanism 5, a first support rod 51, a second support rod 52, a sliding block 6, a supporting frame 7, a connecting plate 8, a telescopic rod 9, a hydraulic cylinder 10, a movable rod 11, a fixed plate 12, a connecting rod 13, a limiting opening 14, a stud 15 and a limiting sleeve 16.

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. 1-4, the present invention provides a technical solution: a hydraulic device for driving a platform for engineering comprises a base 1, wherein a supporting rod 2 is fixedly arranged on a vertical matrix at the top of the base 1, a transversely arranged fixed frame 3 is fixed at the top end of the supporting rod 2, symmetrical supporting plates 4 are arranged on the inner bottom surface of the fixed frame 3 in a sliding manner, a lifting mechanism 5 is connected between the two supporting plates 4, the lifting mechanism 5 comprises a plurality of lifting groups which are sequentially connected, each lifting group comprises a first supporting rod 51 and a second supporting rod 52, the first supporting rod 51 and the second supporting rod 52 are rotatably connected in the middle of the first supporting rod and the second supporting rod 52, two transversely arranged sliding blocks 6 are hinged at the top end of the lifting mechanism 5, a supporting frame 7 which is arranged along the horizontal direction is arranged at the top of the two sliding blocks 6 in a sliding manner, stabilizing mechanisms fixedly connected with the sliding blocks 6 are connected at two ends of the supporting frame 7, and hydraulic cylinders 10 are respectively installed at two ends of the top of the base 1, the piston end of pneumatic cylinder 10 is connected with the activity and stretches into the inside movable rod 11 of fixed frame 3, the fixed surface of 11 tops of movable rod has the fixed plate 12 that is located fixed frame 3 inside, one side of fixed plate 12 articulates there is a plurality of connecting rods 13 that set up along its length direction, and is a plurality of the other end of connecting rod 13 articulates in backup pad 4, the both ends of fixed frame 3 all are equipped with the restriction mechanism of restriction movable rod 11.

In order to guarantee that carriage 7 remains stable when going up and down, firm mechanism is including fixing the connecting plate 8 at carriage 7 both ends, two one side that connecting plate 8 is close to each other all is connected with the telescopic link 9 of horizontal setting, the other end of telescopic link 9 is fixed on slider 6, the second spout that sets up along its length direction is seted up to carriage 7's bottom surface, the top surface of slider 6 and the inner wall sliding connection of second spout to slider 6 slides along the second spout relatively when going up and down, and makes telescopic link 9 flexible simultaneously, thereby can guarantee carriage 7's relatively stable under telescopic link 9's effect.

Avoid unexpected decline in order to make it go up and down to a take the altitude, restriction mechanism includes double-screw bolt 15, restriction cover 16 and sets up at the restriction mouth 14 at fixed frame 3 both ends, movable rod 11 is fixed to the one end of double-screw bolt 15, double-screw bolt 15 sets up and stretches out from the inside activity of restriction mouth 14 along the horizontal direction, restriction cover 16 is round platform shape structure, and restriction cover 16 screw thread cover establishes at the tip that double-screw bolt 15 stretches out restriction mouth 14, the movable hole that the symmetry set up is seted up to the bottom of fixed frame 3, movable rod 11 stretches into fixed frame 3 from the inside activity of movable hole to after going up and down to appointed height, rotating restriction cover 16, the outer wall of restriction cover 16 can block and touch in the inner wall of restriction mouth 14, thereby can prevent effectively that movable rod 11 from unexpected decline, guarantee its security.

In order to guarantee the smooth sliding of the supporting plate 4, the first sliding grooves are symmetrically formed in the inner bottom surface of the fixing frame 3 along the length direction of the fixing frame, the supporting plate 4 is connected with the inner wall of the first sliding grooves in a sliding mode, so that the supporting plate 4 can slide smoothly along the first sliding grooves, and the lifting of the supporting plate is more stable.

The working principle is as follows: when the lifting mechanism is used, only the hydraulic cylinder 10 needs to be started, the hydraulic cylinder 10 drives the movable rod 11 to ascend, so that the fixed plate 12 on the hydraulic cylinder is upwards along with the movable rod, so that the connecting rod 13 is driven to extrude the support plates 4, so that the two support plates 4 are mutually close along the first sliding groove, so that the lifting mechanism 5 is lifted, and when the lifting mechanism is lifted, the two sliding blocks 6 are mutually close to pull the telescopic rods 9 on the sliding blocks, so that the stability of the support frame 7 can be well ensured, the support frame can better meet the actual requirement, after the lifting mechanism is lifted to a specified position, the limiting sleeve 16 is rotated, the limiting sleeve 16 rotates along the stud 15, so that the outer wall of the limiting sleeve 16 can be clamped and contacted in the inner wall of the limiting opening 14, the movable rod 11 can be effectively prevented from accidentally falling, the safety of the support frame is ensured, the support frame can be lifted or descended, and can be more stably kept horizontal when the support frame is adjusted to a certain height, and the device can be limited, so that the device is prevented from falling accidentally, a good protection effect is achieved, and the device can better meet the actual requirements.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. The utility model provides a platform drive hydraulic means for engineering, includes base (1), its characterized in that: the vertical matrix in the top of the base (1) is fixedly provided with a supporting rod (2), the top end of the supporting rod (2) is fixedly provided with a transversely arranged fixed frame (3), the inner bottom surface of the fixed frame (3) is provided with symmetrical supporting plates (4) in a sliding manner, two lifting mechanisms (5) are connected between the two supporting plates (4), each lifting mechanism (5) comprises a plurality of lifting groups which are connected in sequence, each lifting group comprises a first supporting rod (51) and a second supporting rod (52), the first supporting rod (51) and the second supporting rod (52) are rotatably connected in the middle of the first supporting rod and the second supporting rod, the top end of each lifting mechanism (5) is hinged with two transversely arranged sliding blocks (6), the tops of the two sliding blocks (6) are provided with supporting frames (7) arranged along the horizontal direction in a sliding manner, and the two ends of each supporting frame (7) are connected with stabilizing mechanisms fixedly connected with the corresponding sliding blocks (6), pneumatic cylinder (10) are all installed at the top both ends of base (1), the piston end of pneumatic cylinder (10) is connected with the activity and stretches into movable rod (11) of fixed frame (3) inside, the fixed surface of movable rod (11) top has fixed plate (12) that are located fixed frame (3) inside, one side of fixed plate (12) articulates there are a plurality of connecting rods (13) that set up along its length direction, and is a plurality of the other end of connecting rod (13) articulates in backup pad (4), the both ends of fixed frame (3) all are equipped with the restriction mechanism of restriction movable rod (11).

2. The hydraulic device for driving a platform for engineering according to claim 1, wherein: the stabilizing mechanism comprises connecting plates (8) fixed at two ends of a supporting frame (7), one side, close to each other, of each connecting plate (8) is connected with a transversely arranged telescopic rod (9), and the other end of each telescopic rod (9) is fixed to the sliding block (6).

3. The hydraulic device for driving a platform for engineering according to claim 1, wherein: limiting mechanism includes double-screw bolt (15), restriction cover (16) and sets up restriction mouth (14) at fixed frame (3) both ends, movable rod (11) are fixed to the one end of double-screw bolt (15), double-screw bolt (15) set up and stretch out from the inside activity of restriction mouth (14) along the horizontal direction, restriction cover (16) are round platform shape structure, and restriction cover (16) threaded sleeve establish at double-screw bolt (15) stretch out the tip of restriction mouth (14).

4. The hydraulic device for driving a platform for engineering according to claim 1, wherein: the inner bottom surface of the fixing frame (3) is symmetrically provided with first sliding grooves arranged along the length direction of the fixing frame, and the supporting plate (4) is connected with the inner walls of the first sliding grooves in a sliding mode.

5. The hydraulic device for driving a platform for engineering according to claim 1, wherein: the bottom surface of the supporting frame (7) is provided with a second sliding groove arranged along the length direction of the supporting frame, and the top surface of the sliding block (6) is connected with the inner wall of the second sliding groove in a sliding mode.

6. The hydraulic device for driving a platform for engineering according to claim 1, wherein: the bottom of the fixed frame (3) is provided with movable holes which are symmetrically arranged, and the movable rod (11) extends into the fixed frame (3) from the inner activity of the movable holes.