CN220505848U - Emergency closing device for shield machine screw machine gate - Google Patents

Abstract

The utility model relates to the technical field of gates, and discloses an emergency closing device of a screw machine gate of a shield machine, which comprises a gate closing assembly, wherein the gate closing assembly comprises: a door frame, the top of which is provided with a control component; the gates are symmetrically arranged between the door frames; the door frame top is provided with supporting component, and supporting component includes: the fixed rods are symmetrically arranged at the top of the door frame; the driving assembly is arranged inside the fixed rod; the protective shell is arranged at the outer side of the driving assembly; the connecting plate is arranged between the driving assembly and the gate; the supporting assembly is used for supporting the valve by the screw rod of the auxiliary control assembly of the supporting assembly, so that the valve is prevented from being excessively heavy to loosen and fall off a structure connected with the screw rod; by arranging the protective shell, the motor of the driving assembly is prevented from being damaged by external force; through setting up the spring, realize reducing the vibrations that produce when drive assembly goes up and down, lead to the gate to seal not tightly.

Description

Emergency closing device for shield machine screw machine gate

Technical Field

The utility model relates to the technical field of gates, in particular to an emergency closing device for a screw machine gate of a shield machine.

Background

The shield tunneling machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, liquid, sensing and information technologies, has the functions of excavating and cutting soil body, transporting soil slag, assembling tunnel lining, measuring, guiding and correcting errors and the like, and is widely used for tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like; the screw machine is one of main systems for conveying dregs of the earth pressure balance shield machine, when the shield machine is driven in a water-rich stratum or a sand layer with more water content, a gushing accident is easy to occur under the action of pressure water, and the occurrence of the accident can be prevented by closing a soil outlet gate of the screw machine.

According to the Chinese patent publication CN213982015U, an emergency closing device for a screw gate of a shield machine is disclosed. Including gate shell, switch valve plate and screw thread post, the position that is close to the bottom in the gate shell has been seted up through the opening, is circular opening structure through the opening, and the switch valve plate sets up in the inside of gate shell, and the both ends of switch valve plate and the inner wall laminating of gate shell set up, and the switch valve plate is close to one side through the opening and sets up through the opening laminating, and switch valve plate top is provided with the connector, and the screw thread post bottom runs through the connector through the screw thread, inlays inside the switch valve plate, and the screw thread post top runs through gate shell and the hookup has driving motor. The device is simple to operate, stable in structure, good in tightness and high in safety coefficient, and can effectively realize emergency closing of the gate. The utility model is mainly applied to the aspect of closing the gate of the shield screw machine.

The utility model solves the problem of connecting the valve with the driving component to a certain extent, but has the defects. The valve is connected with the control assembly through the threaded rod, other assemblies are lack of auxiliary support, and when the valve is overweight, the valve is easily pulled by the valve and the threaded rod connecting assembly to influence loosening and falling, so that the valve is separated from the control assembly.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an emergency closing device for a screw gate of a shield machine, which has the advantage of supporting a screw rod of an auxiliary control assembly, and solves the problems of overweight valve and loosening and falling-off of a connecting structure.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: an emergency closing device for a shield machine screw machine gate, comprising a gate closing assembly, wherein the gate closing assembly comprises:

a door frame, the top of which is provided with a control component;

the gates are symmetrically arranged between the door frames;

the door frame top is provided with supporting component, supporting component includes:

the fixed rods are symmetrically arranged at the top of the door frame;

the driving assembly is arranged inside the fixed rod;

the protective shell is arranged at the outer side of the driving assembly;

the connecting plate is arranged between the driving assembly and the gate.

Preferably, the dead lever top is provided with auxiliary assembly, auxiliary assembly includes:

the rotating shaft is arranged at the outer side of the fixed rod;

the revolving door is arranged at the top of the rotating shaft.

Preferably, the revolving door outside is provided with the buckle, the protective housing outside is provided with the cooperation revolving door buckle's fixing base.

Preferably, the inner side of the protective shell is symmetrically provided with heat dissipation holes matched with the driving assembly.

Preferably, a spring matched with the driving assembly is arranged at the top of the connecting plate.

Preferably, a collar matched with the control assembly is arranged between the connecting plates.

Preferably, the top of the door frame is symmetrically provided with a fixing plate matched with the fixing rod.

(III) beneficial effects

Compared with the prior art, the utility model provides the emergency closing device for the shield machine screw machine gate, which has the following beneficial effects:

1. according to the emergency closing device for the screw machine gate of the shield machine, through the supporting component, the driving component push rod and the control component screw rod are arranged to lift and sink the gate at the same time, so that the supporting component is used for assisting the control component screw rod to support the valve, and the valve is prevented from being too heavy to loosen and fall off a screw rod connecting structure; by arranging the protective shell, the motor of the driving assembly is prevented from being damaged by external force; through setting up the spring, realize reducing the vibrations that produce when drive assembly goes up and down, lead to the gate to seal not tightly.

2. According to the emergency closing device for the screw machine gate of the shield machine, through the auxiliary assembly, a setting staff rotates the revolving door by utilizing the rotating shaft, so that the inner space of the protective shell and the inner space of the driving assembly are exposed, and the convenience for the staff to detach and install the driving assembly is realized; through setting up revolving door outside buckle and protective housing outside fixing base screens and being connected, realize fixed revolving door cover and close protective housing and drive assembly top.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a fixing rod according to the present utility model;

FIG. 3 is a left-hand structural schematic diagram of the present utility model;

in the figure:

1. a door closing assembly; 11. a control assembly; 12. a door frame; 13. a gate;

2. a support assembly; 21. a protective shell; 22. a fixing plate; 23. a fixed rod; 24. a drive assembly; 25. a spring; 26. a connecting plate; 27. a heat radiation hole;

3. an auxiliary component; 31. a fixing seat; 32. a revolving door; 33. a rotating shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, an emergency closing device for a screw gate of a shield tunneling machine comprises a door closing assembly 1, wherein the door closing assembly 1 comprises: a door frame 12, the top of which is provided with a control assembly 11; a shutter 13 disposed between the door frames 12; because the shield machine is easy to cause gushing accidents under the action of pressure water when tunneling in a water-rich stratum or a sand layer with more water content, the occurrence of such accidents can be prevented by closing the screw machine soil outlet gate 13, and the door closing assembly 1 is arranged; the control assembly 11 is provided with a driving motor, the motor is connected with a power supply to drive the screw rod to press down and lift up, so that the gate 13 is closed and opened, and the outer side of the gate is provided with a supporting frame for supporting; the gate 13 is provided with a sliding structure, so that the control assembly 11 is convenient to adjust; the door frame 12 is used for loading each assembly, and the top symmetry is provided with the supporting component 2 of cooperation control assembly 11 screw rod.

The top of the door frame 12 is provided with a supporting component 2, and the supporting component 2 comprises: the fixed rods 23 are symmetrically arranged at the top of the door frame 12; a driving unit 24 disposed inside the fixing rod 23; a protective case 21 provided outside the driving unit 24; a connection plate 26 provided between the drive unit 24 and the shutter 13; before a person uses the support assembly 2, the connecting plate 26 is fixedly arranged at the top of the valve, and is fixedly connected with the push rod of the driving assembly 24 through a bolt structure; the connecting plates 26 connect the push rods of the symmetrically arranged driving assemblies 24 together, so that the lifting amplitude of the two push rods is kept consistent; the supporting component 2 and the control component 11 are consistent in adjustment amplitude; after the connecting plate 26 is installed, a person presses the switch of the driving assembly 24 and the switch of the control assembly 11, so that the push rod of the driving assembly 24 and the screw rod of the control assembly 11 are pressed down to drive the gate 13 to be pressed down; because the inner side of the gate 13 adopts an arc-shaped through hole structure, the gate 13 is pressed down to close the through hole, and the gate 13 is closed; when the valve is opened, the driving assembly 24 switch and the control assembly 11 switch are pressed again, the gate 13 is pulled to rise, the through hole is increased, and the gate 13 is opened; the gate 13 is lifted and pressed down by the supporting component 2, so that the supporting pressure of the control component 11 is reduced, the tensile force caused by overweight of the gate 13 is reduced, and the connection structure of the screw of the control component 11 and the gate 13 is not easy to loosen and fall off; the driving assembly 24 is provided with an electric push rod and a motor, the motor is arranged outside the fixed rod 23 and is covered and protected by the protective shell 21, and damage caused by external force is avoided.

Example two

Referring to fig. 1-3, an auxiliary assembly 3 is disposed on top of the fixing rod 23, and the auxiliary assembly 3 includes: a rotating shaft 33 disposed outside the fixing rod 23; a revolving door 32 arranged on the top of the revolving shaft 33; since the driving assembly 24 is provided inside the fixing rod 23, the auxiliary assembly 3 is provided for convenience of personnel's installation and disassembly; when a person uses the auxiliary assembly 3, the revolving door 32 is rotated through the rotating shaft 33, so that the inner space of the fixed rod 23 and the protective shell 21 is exposed, and the person takes out the driving assembly 24 from the top of the fixed rod 23; when the rotary door is installed, the driving assembly 24 is placed inside the fixed rod 23, the rotary door 32 is rotated to cover the top of the fixed rod 23 and the protective shell 21, and the top of the fixed rod 23 is closed.

The outer side of the revolving door 32 is provided with a buckle, and the outer side of the protective shell 21 is provided with a fixed seat 31 matched with the buckle of the revolving door 32; the revolving door 32 is clamped and fixed on the tops of the fixed rod 23 and the protective shell 21, so that the driving assembly 24 is convenient for personnel to disassemble and install; the inner side of the protective shell 21 is symmetrically provided with radiating holes 27 matched with the driving assembly 24; ventilation is carried out, so that the overheat burning of the motor of the driving assembly 24 is avoided; the top of the connecting plate 26 is provided with a spring 25 which is matched with the driving assembly 24; the push rod of the driving assembly 24 is matched to lift, so that vibration generated during lifting is reduced, and the gate 13 is not tightly sealed; a collar matched with the control assembly 11 is arranged between the connecting plates 26; the device is used for connecting the push rods of the two driving assemblies 24 without influencing the screw adjustment of the control assembly 11; the top of the door frame 12 is symmetrically provided with a fixed plate 22 matched with the fixed rod 23; the fixed rod 23 is fixedly connected, so that the fixed rod 23 is prevented from shaking due to lifting and shaking.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. An emergency closing device for a screw machine gate of a shield machine comprises a gate closing assembly (1), wherein the gate closing assembly (1) comprises:

a door frame (12) with a control assembly (11) arranged on the top;

the gates (13) are symmetrically arranged between the door frames (12);

the method is characterized in that: the top of the door frame (12) is provided with a supporting component (2), and the supporting component (2) comprises:

the fixed rods (23) are symmetrically arranged at the top of the door frame (12);

a driving assembly (24) arranged inside the fixed rod (23);

a protective case (21) provided outside the drive unit (24);

and a connection plate (26) provided between the drive unit (24) and the shutter (13).

2. The emergency closing device for a screw machine gate of a shield machine according to claim 1, wherein: the utility model discloses a fixed lever (23) top is provided with auxiliary assembly (3), auxiliary assembly (3) include:

a rotating shaft (33) arranged outside the fixed rod (23);

the revolving door (32) is arranged at the top of the rotating shaft (33).

3. The emergency closing device for a screw machine gate of a shield machine according to claim 2, wherein: the rotary door (32) outside is provided with the buckle, the protective housing (21) outside is provided with cooperation rotary door (32) fixing base (31) of buckle.

4. The emergency closing device for a screw machine gate of a shield machine according to claim 1, wherein: and radiating holes (27) matched with the driving assembly (24) are symmetrically formed in the inner side of the protective shell (21).

5. The emergency closing device for the screw gate of the shield tunneling machine according to claim 4, wherein: a spring (25) matched with the driving assembly (24) is arranged at the top of the connecting plate (26).

6. The emergency closing device for a screw machine gate of a shield machine according to claim 1, wherein: a collar matched with the control assembly (11) is arranged between the connecting plates (26).

7. The emergency closing device for a screw machine gate of a shield machine according to claim 1, wherein: the top of the door frame (12) is symmetrically provided with a fixing plate (22) matched with the fixing rod (23).