CN216807852U - Stable form lorry crane lift control chamber - Google Patents

Abstract

Stable form lorry crane lift control room. Relate to mobile crane technical field, especially relate to stable form lorry crane lift control chamber. The operation chamber is arranged on the rotary table of the crane in a vertically sliding manner through the slide rail lifting mechanism; the sliding rail lifting mechanism comprises an operating room lifting arm, a rotary table fixing seat, a linear driving mechanism and a sliding rail; the rotary table fixing seat is matched with the linear driving mechanism and fixedly arranged on the rotary table of the crane; one side of the operation chamber lifting arm is fixedly connected with a chamber body of the operation chamber, and the other side of the operation chamber lifting arm is provided with a sliding sleeve matched with the sliding rail; the linear driving mechanism is vertically arranged between the operation room lifting arm and the rotary table fixing seat, one end of the linear driving mechanism is hinged to the operation room lifting arm, the other end of the linear driving mechanism is hinged to the rotary table fixing seat, and the operation room lifting arm can slide up and down in a reciprocating mode on the sliding rail through the stretching and the retracting of the linear driving mechanism. The utility model solves the problems of poor wear resistance and reliability and high energy consumption of the flexible strip-shaped part structure.

Description

Stable type lorry-mounted crane lifting operation room

Technical Field

The utility model relates to the technical field of mobile cranes, in particular to a stable type lorry-mounted crane lifting operation room

Background

The lorry-mounted crane is equipment which is arranged on an automobile chassis and realizes lifting and hoisting of goods through a hydraulic lifting and telescopic system, has good maneuverability and rapid transfer, integrates the functions of lifting and transporting, and is widely applied to lifting, loading and transporting working conditions such as equipment transportation, emergency rescue, municipal construction and the like. The seat operating platform of the lorry-mounted crane is mainly used for performing operations such as body rotation, boom stretching and lifting, winch lifting and the like, and is an important operating component of the lorry-mounted crane.

In the prior art, a patent No. 202021002217.3 issued as 2.2.2.2021 discloses a lifting operation platform device and a crane truck, which includes: the hydraulic control system comprises an operating platform, a guide rail, a sliding base and a hydraulic oil cylinder, wherein the operating platform comprises a seat for bearing a driver and a control device; the guide rail is arranged along the vertical direction, and sliding grooves are formed in two sides of the guide rail; the sliding base is matched with the guide rail, and the operating platform is fixedly connected with the sliding base; the hydraulic oil cylinder is parallel to the guide rail and drives the sliding base to move up and down along the guide rail through a transmission part. When the operating platform needs to be lifted, the hydraulic oil cylinder does extension action, and the flexible strip-shaped piece is driven by the pulley at the head of the cylinder rod, so that the operating platform is pulled to move upwards along the guide rail; when the operation platform needs to descend, the hydraulic oil cylinder retracts, and the operation platform moves downwards along the guide rail under the action of gravity. When the user actually used, the pulley drove the mechanism of flexible strip, and required hydraulic pressure is bigger when operating condition, and the energy consumption has the problem of higher than normal, and the wearability of flexible strip is relatively poor moreover, often needs to dismantle the maintenance, and the later maintenance is with high costs.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a stable type lorry-mounted crane lifting operation room which has a compact structure and is stable in lifting, and the energy consumption and the maintenance cost are reduced.

The technical scheme of the utility model is as follows: the stable type lorry-mounted crane lifting operation room is arranged on a crane rotary table in a vertically sliding mode through a sliding rail lifting mechanism;

the sliding rail lifting mechanism comprises an operating room lifting arm, a rotary table fixing seat, a linear driving mechanism and a sliding rail;

the rotary table fixing seat is matched with the linear driving mechanism and fixedly arranged on the rotary table of the crane;

one side of the operation chamber lifting arm is fixedly connected with a chamber body of the operation chamber, and the other side of the operation chamber lifting arm is provided with a sliding sleeve matched with the sliding rail;

the linear driving mechanism is vertically arranged between the operation room lifting arm and the rotary table fixing seat, one end of the linear driving mechanism is hinged with the operation room lifting arm, the other end of the linear driving mechanism is hinged with the rotary table fixing seat, and the operation room lifting arm can slide up and down in a reciprocating mode on the sliding rail through the extension and retraction of the linear driving mechanism.

The pair of slide rails is symmetrically and fixedly arranged on the side part of the linear driving mechanism;

the section of the sliding rail is of a circular structure.

The linear driving mechanism comprises an air cylinder or an electric push rod.

And an oilless bushing fixedly connected is arranged in the sliding sleeve.

The linear driving mechanism comprises a hydraulic cylinder.

The bottom of the cylinder body of the hydraulic cylinder is provided with a hydraulic valve block;

the C1 oil port of the hydraulic valve block is communicated with the rod cavity of the hydraulic cylinder, and the C2 oil port is communicated with the rodless cavity of the hydraulic cylinder;

the hydraulic valve block is provided with a V1 oil port communicated with the multi-way valve and a V2 oil port communicated with an oil tank;

the V1 oil port is communicated with the C1 oil port through the first balanced valve cartridge valve core;

and the V2 oil port is communicated with the C2 oil port through a second balanced valve cartridge valve core.

The operation chamber is arranged on the rotary table of the crane in a vertically sliding manner through the sliding rail lifting mechanism; the sliding rail lifting mechanism comprises an operating room lifting arm, a rotary table fixing seat, a linear driving mechanism and a sliding rail; the rotary table fixing seat is matched with the linear driving mechanism and fixedly arranged on the rotary table of the crane; one side of the operating room lifting arm is fixedly connected with a cabin body of the operating room, and the other side of the operating room lifting arm is provided with a sliding sleeve matched with the sliding rail; the sliding sleeve is fixedly connected with the operation chamber lifting arm, the operation chamber lifting arm is assembled on the operation chamber through a bolt, is matched with the sliding rail, and carries the operation chamber to move up and down in the vertical direction; the present case is through the closed control chamber of linear drive mechanism drive and is elevating movement, has solved lorry crane and has gone on the way the super high problem of whole car and the too big problem of installation space of lorry crane when the repacking, adopts rigidity linear slide rail structure to solve flexible strip spare structure wearability and reliability relatively poor, the higher problem of energy consumption.

Drawings

Figure 1 is a schematic perspective view of the present invention,

figure 2 is a schematic perspective view of the hidden part of the crane turret and the operating room in figure 1,

FIG. 3 is a perspective view of the operation chamber and the slide rail elevating mechanism,

figure 4 is a schematic perspective view of the connection state of the sliding sleeve and the sliding rail,

figure 5 is a schematic perspective view showing the operation room of figure 4 with the door frame hidden,

figure 6 is a schematic perspective view of the second embodiment of figure 4 showing the hidden door frame of the operating room,

figure 7 is a schematic view of the internal structure of the hydraulic valve block,

figure 8 is a schematic view of the position of the operating room before the crane performs the operation,

FIG. 9 is a schematic view showing a state where the operation chamber is raised;

in the figure, 1 is an operation room, 2 is a slide rail lifting mechanism, 21 is an operation room lifting arm, 22 is a rotary table fixing seat, 23 is a linear driving mechanism, 24 is a slide rail, 25 is a sliding sleeve, 3 is a crane rotary table, and 4 is a hydraulic valve block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The present invention is illustrated in FIGS. 1-9; the stable type lorry-mounted crane lifting operation room 1 is characterized in that the operation room 1 is arranged on a crane rotary table 3 in a vertically sliding mode through a sliding rail lifting mechanism 2;

the slide rail lifting mechanism 2 comprises an operation room lifting arm 21, a rotary table fixing seat 22, a linear driving mechanism 23 and a slide rail 24;

the rotary table fixing seat 22 is matched with the linear driving mechanism 23 and fixedly arranged on the rotary table 3 of the crane;

one side of the operation chamber lifting arm 21 is fixedly connected with a chamber body of the operation chamber, and the other side of the operation chamber lifting arm is provided with a sliding sleeve 25 matched with the sliding rail 24; the sliding sleeve 25 is fixedly connected with the operation chamber lifting arm 21, the operation chamber lifting arm 21 is assembled on the operation chamber through bolts, is matched with the sliding rail 24, and carries the operation chamber to move up and down in the vertical direction;

the linear driving mechanism 23 is vertically arranged between the operation room lifting arm 21 and the rotary table fixing seat 22, one end of the linear driving mechanism is hinged to the operation room lifting arm 21, the other end of the linear driving mechanism is hinged to the rotary table fixing seat 22, and the operation room lifting arm 21 can slide up and down in a reciprocating mode on the sliding rail 24 through the extension and retraction of the linear driving mechanism 23.

The slide rails 24 are provided with a pair and symmetrically and fixedly arranged on the side parts of the linear driving mechanism 23;

the cross section of the sliding rail 24 is a circular structure.

The slide rail 24 is a rigid linear slide rail 24, and the two slide rails 24 are arranged in parallel, fixed on the rotary table 3 of the crane and extend along the vertical direction;

the linear driving mechanism 23 includes a cylinder, an oil cylinder or an electric push rod. According to the scheme, the oil cylinder is optimized, and the bottom of the cylinder body of the oil cylinder is provided with a valve block communicated with an oil inlet and an oil outlet;

be equipped with fixed connection's oilless bush in the sliding sleeve 25, contact through oilless bush and slide rail 24, reduce frictional force, improve slide rail 24's life.

A rotary operating rod, a telescopic operating rod, a variable amplitude operating rod and a winch operating rod are arranged in the operating room and are used for operating the body rotation, the boom extension, the boom lifting and the winch lifting of the crane; the rotating operating rod controls the machine body to rotate and the sliding rail lifting mechanism 2 to move up and down. The crane is provided with a switching valve, and a switching knob is arranged in the operating chamber and used for switching two functions of a rotary operating rod (1, controlling slide rail lifting mechanisms 2 and controlling the machine body to rotate).

Before the crane works, the operating room is positioned at the position shown in fig. 8, the switching knob is in a state of controlling the slide rail lifting mechanism 2 at the moment, an operator enters the operating room, the rotary operating rod is operated to control the cylinder rod of the hydraulic oil cylinder to extend out, the operating room is driven to rise to the position shown in fig. 9, and after the operation is completed, the switching knob is switched to a state of controlling the machine body to rotate, so that the crane can start to work; after the crane finishes the operation, the operation chamber is located at the position shown in fig. 9, the switching knob is in a state of controlling the machine body to rotate at the moment, an operator switches the switching knob to the position of 2 of the control slide rail lifting mechanism, and then the rotating operation rod is operated to control the cylinder rod of the hydraulic oil cylinder to contract, so that the operation chamber is driven to descend to the position shown in fig. 8.

The bottom of the cylinder body of the hydraulic cylinder is provided with a hydraulic valve block 4 communicated with the oil inlet and the oil outlet;

the C1 oil port of the hydraulic valve block 4 is communicated with the rod cavity of the hydraulic cylinder, and the C2 oil port is communicated with the rodless cavity of the hydraulic cylinder;

a V1 oil port communicated with the multi-way valve and a V2 oil port communicated with an oil tank are arranged on the hydraulic valve block 4;

the V1 oil port is communicated with the C1 oil port through the first balanced valve cartridge valve core;

and the V2 oil port is communicated with the C2 oil port through a second balanced valve cartridge valve core. The oil cylinder extension and the oil cylinder retraction are controlled through a balance valve cartridge (comprising a balance valve cartridge I and a balance valve cartridge II).

The hydraulic valve block 4 is used for controlling the extending and retracting actions of the hydraulic oil cylinder and mainly has the following functions:

1. the hydraulic safety device is used for locking the operation chamber at a manufacturing position to avoid the danger of the sliding of the operation chamber;

2. the lifting speed of the operation chamber can be controlled by adjusting the flow.

The working principle is as follows:

1. when the hydraulic oil of the multi-way valve flows to the C1 oil port through the V1 oil port and enters the rod cavity of the oil cylinder, and meanwhile, the hydraulic oil of the rodless cavity of the oil cylinder flows to the V2 oil port through the C2 oil port and enters the oil tank, the hydraulic cylinder retracts.

2. When the hydraulic oil of the multi-way valve flows to the C2 oil port through the V2 oil port and enters the rodless cavity of the oil cylinder, and meanwhile, the hydraulic oil of the rod cavity of the oil cylinder flows to the V1 oil port through the C1 oil port and enters the oil tank, the hydraulic oil cylinder stretches out. The direction of the arrows in fig. 7 indicates the flow direction of the hydraulic oil, and V1, V2, C1 and C2 in the figure respectively represent the corresponding oil ports, i.e. V1 represents the V1 oil port.

The disclosure of the present application also includes the following points:

(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;

(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;

the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims (7)

1. The stable type lorry-mounted crane lifting operation room is characterized in that the operation room is arranged on a crane rotary table in a vertically sliding mode through a slide rail lifting mechanism;

the sliding rail lifting mechanism comprises an operating room lifting arm, a rotary table fixing seat, a linear driving mechanism and a sliding rail;

the rotary table fixing seat is matched with the linear driving mechanism and fixedly arranged on the rotary table of the crane;

one side of the operation chamber lifting arm is fixedly connected with a chamber body of the operation chamber, and the other side of the operation chamber lifting arm is provided with a sliding sleeve matched with the sliding rail;

the linear driving mechanism is vertically arranged between the operation room lifting arm and the rotary table fixing seat, one end of the linear driving mechanism is hinged to the operation room lifting arm, the other end of the linear driving mechanism is hinged to the rotary table fixing seat, and the operation room lifting arm can slide up and down in a reciprocating mode on the sliding rail through the stretching and the retracting of the linear driving mechanism.

2. The stable type lorry-mounted crane lifting operation chamber as claimed in claim 1, wherein the slide rail is provided with a pair of slide rails symmetrically and fixedly arranged at the side part of the linear driving mechanism.

3. The stable lift cabin of claim 1, wherein said rail is circular in cross-section.

4. The stable lift cabin of claim 1, wherein said linear drive mechanism comprises a pneumatic cylinder or an electric push rod.

5. The stable lift cabin for a lorry-mounted crane according to claim 1, characterized in that a fixedly connected oilless bushing is provided in said sliding sleeve.

6. The stable lift cab of claim 1, wherein the linear drive mechanism comprises a hydraulic cylinder.

7. The stable type lorry-mounted crane lifting operation chamber as claimed in claim 6, wherein a hydraulic valve block is arranged at the bottom of a cylinder body of the hydraulic cylinder;

the C1 oil port of the hydraulic valve block is communicated with the rod cavity of the hydraulic cylinder, and the C2 oil port is communicated with the rodless cavity of the hydraulic cylinder;

the hydraulic valve block is provided with a V1 oil port communicated with the multi-way valve and a V2 oil port communicated with an oil tank;

the V1 oil port is communicated with the C1 oil port through the first balanced valve cartridge valve core;

and the V2 oil port is communicated with the C2 oil port through a second balanced valve cartridge valve core.

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