Power unit for hanging basket of boom truck

Abstract

The utility model relates to the technical field of power units, in particular to a power unit for a boom hanging basket, which comprises a motor power component and a communication block, the communication block is fixedly connected to the upper end of the motor power component, and a first overflow valve and a pressure compensation valve are arranged on the west side of the communication block. A hydraulic control stop valve, a first one-way valve, a shuttle valve, a priority flow valve and two second one-way valves are arranged over the communication block, a second overflow valve is arranged on the east side of the motor power assembly, and a two-position three-way electromagnetic valve and a manual pump are arranged on the west side of the motor power assembly. A throttling valve, a two-position two-way proportional electromagnetic valve, a two-way check electromagnetic valve, a three-position four-span proportional electromagnetic valve and a three-position five-way electromagnetic valve are arranged on the south side of the communication block, a piston is slidably connected to the middle of the manual pump, a sliding groove is formed in the manual pump, and a traction plate is slidably connected into the sliding groove. The arm vehicle hanging basket rotating aerial work platform can work stably and reliably, and can be widely applied to other kinds of aerial work platforms.

Description

TECHNICAL FIELD

[0001] The utility model relates to power unit technical field, concretely is a kind of power unit for arm car hanging basket. BACKGROUND

[0002] Arm car hanging basket is used for various high-altitude operation, equipment installation, maintenance and other high mobility high-altitude operation. At present, the power unit of existing high-altitude machinery adopts permanent magnet brushless motor unit, the power unit is all split structure, large space occupation, and not easy to install. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of power unit for arm car hanging basket to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of power unit for arm car hanging basket, including motor power assembly and intercommunication block, the intercommunication block is fixedly connected to the upper end of motor power assembly, the west side of intercommunication block is equipped with first overflow valve and pressure compensation valve, the top of intercommunication block is equipped with hydraulic control stop valve, first check valve, shuttle valve, preferential flow valve and two second check valves, the east side of motor power assembly is equipped with second overflow valve, the west side of motor power assembly is equipped with two-position three-way electromagnetic valve and hand pump, the south side of intercommunication block is equipped with throttle valve, two-position two-way proportional electromagnetic valve, bidirectional check electromagnetic valve, three-position four-stack proportional electromagnetic valve and three-position five-way electromagnetic valve, the middle slide connection of hand pump is equipped with piston, the inside of hand pump is equipped with sliding slot, the sliding slot is slidably connected with traction plate, the inside of hand pump is equipped with sealing baffle, the middle of sealing baffle is equipped with intercommunication hole, and sealing plug is arranged at intercommunication hole, the upper end of sealing plug is fixedly connected with connecting barrel, the middle of motor power assembly is equipped with linkage shaft, and the side end of linkage shaft is fixedly connected with a plurality of blades.

[0005] Preferably, the side end of the traction plate is provided with a positioning groove, and the positioning groove is a V-shaped structure.

[0006] Preferably, the side end of the piston is fixedly connected with a fixed protrusion, the side end of the fixed protrusion is an arc structure, and the fixed protrusion is opposite to the sliding slot.

[0007] Preferably, a fixed column is fixedly connected to the inner wall of the hand pump, the connecting barrel and the fixed column are inserted together, and a spring is arranged between the fixed column and the connecting barrel.

[0008] Preferably, a pull plate is fixedly connected between the traction plate and the sealing plug.

[0009] Compared with the prior art, the utility model discloses the beneficial effects are: through setting up permanent magnet electric control all -in -one, valve group satisfies the lifting of the past, steering function simultaneously, increased hanging basket rotation, walking brake etc. Function. Through control motor realizes stepless speed regulation, and can realize low noise long -time operation, through three five -way electromagnetic valve, three four -way electromagnetic valve, throttle valve, preferential flow valve, shuttle valve, pressure compensating valve etc. Valve group, guarantee arm car hanging basket rotary aerial work platform work stable and reliable, can be widely applied to other kinds aerial work platform, and this product technology form is in the industry in the leading level. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is power unit front view.

[0011] Figure 2 It is power unit side view.

[0012] Figure 3 It is power unit plan view.

[0013] Figure 4 It is second overflow valve connection schematic diagram.

[0014] Figure 5 It is the communication block west side connection schematic diagram.

[0015] Figure 6 It is hydraulic principle diagram.

[0016] Figure 7 It is hand pump connection schematic diagram.

[0017] Figure 8 It is the enlarged schematic diagram of A.

[0018] In the drawing: 1 first overflow valve, 2 pressure compensating valve, 3 hydraulic control stop valve, 4 first check valve, 5 shuttle valve, 6 preferential flow valve, 7 second check valve, 8 second overflow valve, 9 two three-way electromagnetic valve, 10 throttle valve, 11 two two-way proportional electromagnetic valve, 12 bidirectional check electromagnetic valve, 13 three four-way proportional electromagnetic valve, 14 three five-way electromagnetic valve, 15 hand pump, 16 linkage shaft, 17 vane, 18 sealing baffle, 19 sealing plug, 20 sliding groove, 21 traction plate, 22 connecting barrel, 23 fixed column, 24 pull plate, 25 piston, 26 positioning groove, 27 fixed protrusion. DETAILED DESCRIPTION

[0019] In order to deepen the understanding and understanding of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and do not limit the embodiments in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figures 1-8 The utility model provides a kind of technical solutions: a power unit for arm car hanging basket, including motor power assembly and intercommunication block, intercommunication block is fixedly connected to the upper end of motor power assembly, the west side of intercommunication block is equipped with first overflow valve 1 and pressure compensation valve 2, the top of intercommunication block is equipped with hydraulic control stop valve 3, first check valve 4, shuttle valve 5, preferential flow valve 6 and two second check valves 7, the east side of motor power assembly is equipped with second overflow valve 8, the west side of motor power assembly is equipped with two-position three-way electromagnetic valve 9 and hand pump 15, the south side of intercommunication block is equipped with throttle valve 10, two-position two-way proportional electromagnetic valve 11, bidirectional check electromagnetic valve 12, three-position four-port proportional electromagnetic valve 13 and three-position five-way electromagnetic valve 14, piston 25 is slidably connected in the middle of hand pump 15, sliding groove 20 is equipped in the inside of hand pump 15, traction plate 21 is slidably connected in sliding groove 20, sealing baffle 18 is equipped in the inside of hand pump 15, communication hole is equipped in the middle of sealing baffle 18, sealing plug 19 is equipped at communication hole, connecting barrel 22 is fixedly connected to the upper end of sealing plug 19, linkage shaft 16 is equipped in the middle of motor power assembly, a plurality of blades 17 are fixedly connected to the side end of linkage shaft 16, through three-position five-way electromagnetic valve, three-position four-way electromagnetic valve, throttle valve, preferential flow valve, shuttle valve, pressure compensation valve and other valve groups, ensure that arm car hanging basket rotary aerial work platform works stably and reliably.

[0021] The side end of the traction plate 21 is provided with a positioning groove 26, the positioning groove 26 is V-shaped structure, the side end of the piston 25 is fixedly connected with a fixed protrusion 27, the side end of the fixed protrusion 27 is arc-shaped structure, the fixed protrusion 27 is opposite to the sliding groove 20, the inner wall of the hand pump 15 is fixedly connected with a fixed column 23 in the middle, the connecting cylinder 22 and the fixed column 23 are inserted together, the spring is arranged between the fixed column 23 and the connecting cylinder 22, the traction plate 21 and the sealing plug 19 are fixedly connected with a pull plate 24, when the hand pump 15 is used, the wrench of the hand pump 15 is pulled, the piston 25 moves in the hand pump 15, at the same time, the fixed protrusion 27 is separated from the positioning groove 26, so that the traction plate 21 is lifted, the traction plate 21 drives the sealing plug 19 to move through the pull plate 24, so that the communication hole is opened, the piston 25 controls the hydraulic oil in the hand pump 15, the vane 17 and the linkage shaft 16 are rotated, the power is manually provided when the power unit cannot work, and the safety of the aerial work is ensured.

[0022] Although the embodiments of the utility model have been shown and described, it needs to emphasize: the above description is only the introduction and description of the use mode of the embodiments of the utility model, is not any form of restriction to the utility model. For ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in many ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A power unit for an aerial lift, comprising a motor power pack and a communication block, characterized in that: The communication block is fixedly connected to the upper end of the motor power assembly, the west side of the communication block is provided with a first overflow valve (1) and a pressure compensation valve (2), the upper side of the communication block is provided with a hydraulic control stop valve (3), a first check valve (4), a shuttle valve (5), a priority flow valve (6) and two second check valves (7), the east side of the motor power assembly is provided with a second overflow valve (8), the west side of the motor power assembly is provided with a two-position three-way electromagnetic valve (9) and a manual pump (15), the south side of the communication block is provided with a throttle valve (10), a two-position two-way proportional electromagnetic valve (11), a bidirectional check electromagnetic valve (12), a three-position four-stack proportional electromagnetic valve (13) and a three-position five-way electromagnetic valve (14), the middle of the manual pump (15) is slidably connected with a piston (25), the inside of the manual pump (15) is provided with a sliding groove (20), the sliding groove (20) is slidably connected with a traction plate (21), the inside of the manual pump (15) is provided with a sealing baffle (18), the middle of the sealing baffle (18) is provided with a communication hole, the communication hole is provided with a sealing plug (19), the upper end of the sealing plug (19) is fixedly connected with a connecting cylinder (22), the middle of the motor power assembly is provided with a linkage shaft (16), the side end of the linkage shaft (16) is fixedly connected with a plurality of blades (17).

2. A power unit for a trolley boom, according to claim 1, characterized in that: The side end of the traction plate (21) is provided with a positioning groove (26), and the positioning groove (26) is a V-shaped structure.

3. A power unit for a gondola of an aerial lift as defined in claim 1, wherein: The side end of the piston (25) is fixedly connected with a fixed protrusion (27), the side end of the fixed protrusion (27) is an arc-shaped structure, and the fixed protrusion (27) is opposite to the sliding groove (20).

4. A power unit for a gondola of an aerial lift as defined in claim 1, wherein: The middle of the inner wall of the manual pump (15) is fixedly connected with a fixed column (23), the connecting cylinder (22) and the fixed column (23) are inserted together, and the fixed column (23) and the connecting cylinder (22) are provided with a spring.

5. A power unit for a gondola of an aerial lift as defined in claim 1, wherein: The traction plate (21) and the sealing plug (19) are fixedly connected with a pull plate (24).

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