CN219133788U

CN219133788U - Cab pressure regulating system and mining land leveller

Info

Publication number: CN219133788U
Application number: CN202223454222.XU
Authority: CN
Inventors: 闫鹏举; 王跃; 卢圣利; 范运杰; 唐文康; 齐冬青
Original assignee: Xuzhou XCMG Road Construction Machinery Co Ltd
Current assignee: Xuzhou XCMG Road Construction Machinery Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-06
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a cab pressure regulating system and a mining land leveller, comprising a cab, a supercharger, an air conditioner evaporator, an indoor air duct, an indoor monitoring regulator and an environmental pressure monitor, wherein the air conditioner evaporator is arranged on the cab; the air conditioner evaporator and the indoor monitoring regulator are installed in a cab, the supercharger and the environmental pressure monitor are installed outside the cab, the supercharger is connected with the air conditioner evaporator through an air pipe, the air conditioner evaporator is connected with an indoor air duct, the indoor monitoring regulator comprises a pressure sensor, and the indoor monitoring regulator is respectively connected with the environmental pressure monitor and the supercharger through Bluetooth. The utility model can maintain stable pressure in the cab, prevent dust from entering the cab, provide a comfortable and safe operating environment for a driver, and simultaneously avoid continuous operation of the supercharger and prolong the service life of the supercharger.

Description

Cab pressure regulating system and mining land leveller

Technical Field

The utility model belongs to the technical field of mining machinery, and particularly relates to a cab pressure regulating system and a mining land leveller.

Background

The mining land leveller is widely applied to projects such as road obstacle clearing, broken stone removing and the like of a large mine, dust is often flying in the working environment, dust is gathered, the cab is required to have high sealing performance and dust resistance, and the harm to the physical health of an operator caused by the fact that external harmful dust enters the cab is avoided. However, the closed cab may cause an increase in the concentration of carbon dioxide in the cab, which may fatigue the driver and cause a safety hazard. The prior art generally enables the supercharger to work all the time by installing the supercharger, so that positive pressure is kept in a cab, dust is prevented from entering the cab, the service life of the supercharger is shortened, and the failure rate is increased due to long-time operation of the supercharger.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a cab pressure regulating system and a mining land leveller, which can maintain stable pressure in a cab, prevent dust from entering the cab, provide a comfortable and safe operating environment for a driver, and simultaneously avoid continuous operation of a supercharger and prolong the service life of the supercharger.

The utility model provides the following technical scheme:

in a first aspect, a cab pressure regulation system is provided, comprising a cab, a supercharger, an air conditioning evaporator, an indoor air duct, an indoor monitoring regulator and an ambient pressure monitor;

the air conditioner evaporator and the indoor monitoring regulator are installed in a cab, the supercharger and the environmental pressure monitor are installed outside the cab, the supercharger is connected with the air conditioner evaporator through an air pipe, the air conditioner evaporator is connected with an indoor air duct, the indoor monitoring regulator comprises a pressure sensor, and the indoor monitoring regulator is respectively connected with the environmental pressure monitor and the supercharger through Bluetooth.

Further, the outside of the supercharger is provided with a clamp, the clamp is fixed on the base through a first bolt, the base is provided with a mounting hole, and the base is fixed outside the cab through a second bolt penetrating through the mounting hole.

Further, one end of the supercharger is provided with an air inlet, the middle part of the supercharger is provided with an air outlet, and the air inlet side of the supercharger is provided with a two-stage filter element.

Further, the indoor monitoring regulator further comprises a controller, a carbon dioxide concentration sensor, a PM concentration sensor and a display, wherein the pressure sensor, the carbon dioxide concentration sensor, the PM concentration sensor and the display are respectively connected with the controller.

Further, the indoor monitoring regulator is mounted on the outer wall of the indoor air duct through a third bolt.

Further, the indoor air duct is connected with a plurality of air outlets with different air outlet directions.

Further, a front door is arranged on the front face of the cab, an inner door window and a door handle are arranged on the front door, and a sealing ring is arranged at the edge of the front door.

Further, the outside of the cab is provided with a handrail positioned at the front door opening, and the handrail is vertically arranged.

Furthermore, the front side of the cab is also provided with front windows positioned at the two sides of the front door, the side surface of the cab is provided with side windows, and the back side of the cab is provided with a back window.

In a second aspect, there is provided a mining grader comprising the cab pressure regulation system of the first aspect.

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

the environment pressure monitor is used for monitoring the pressure outside the cab, the indoor monitoring regulator is used for monitoring the pressure inside the cab, and the starting and stopping of the supercharger are controlled through Bluetooth connection according to the pressure difference inside and outside the cab, so that on one hand, the pressure inside the cab is maintained stable, dust is prevented from entering the cab, and a comfortable and safe operating environment is provided for a driver; on the other hand, the continuous operation of the supercharger is avoided, and the service life of the supercharger is prolonged.

Drawings

FIG. 1 is a schematic diagram of a cab pressure regulation system in an embodiment of the utility model;

FIG. 2 is a schematic view of the mounting structure of the supercharger and the base of an embodiment of the present utility model;

marked in the figure as: 1. a cab; 2. a supercharger; 3. an air conditioner evaporator; 4. an indoor air duct; 5. an indoor monitoring regulator; 6. an ambient pressure monitor; 7. an air duct; 8. a base; 9. front opening; 10. a door inner window; 11. a door handle; 12. a front window; 13. a side window; 14. an armrest; 15. a clamp; 16. a first bolt; 17. an air outlet; 18. a mounting hole; 19. and an air inlet.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 and 2, the present embodiment provides a cab pressure adjusting system including a cab 1, a supercharger 2, an air conditioner evaporator 3, an indoor air duct 4, an indoor monitor regulator 5, and an environmental pressure monitor 6.

The air conditioner evaporator 3 and the indoor monitoring regulator 5 are installed in the cab 1, the supercharger 2 and the environmental pressure monitor 6 are installed outside the cab 1, the supercharger 2 is connected with the air conditioner evaporator 3 through an air pipe 7, the air conditioner evaporator 3 is connected with the indoor air duct 4, and the indoor air duct 4 is connected with a plurality of air outlets 17 with different air outlet directions. When the supercharger 2 works, external air enters the air conditioning evaporator 3 through the supercharger 2, and then enters the cab 1 through the indoor air duct 4 from the air outlets 17 with different air outlet directions, so that the pressure in the cab 1 is increased, and the clean air is ensured to form a positive pressure system in the cab 1.

The outside of the supercharger 2 is provided with the clamp 15, the clamp 15 is fixed on the base 8 through the first bolt 16, the base 8 is provided with the mounting hole 18, the base 8 is fixed outside the cab 1 through the second bolt penetrating through the mounting hole 18, and the supercharger 2 is convenient to replace and overhaul in design. One end of the supercharger 2 is provided with an air inlet 19, the middle part of the supercharger 2 is provided with an air outlet 17, and the air inlet 19 side of the supercharger 2 is provided with a two-stage filter element which can filter dust in the outside air.

The indoor monitoring regulator 5 comprises a pressure sensor, a controller, a carbon dioxide concentration sensor, a PM concentration sensor and a display, wherein the pressure sensor, the carbon dioxide concentration sensor, the PM concentration sensor and the display are respectively connected with the controller. The indoor monitoring regulator 5 is mounted on the outer wall of the indoor air duct 4 through a third bolt. The indoor monitoring regulator 5 is respectively connected with the environmental pressure monitor 6 and the supercharger 2 through Bluetooth. The indoor monitor regulator 5 has two main functions: the monitoring system has the functions of monitoring the pressure in a cab, monitoring the concentration of carbon dioxide and PM (particulate matter), and can display the monitoring result on a display; and secondly, the pressure of the environment outside the cab 1 is obtained through Bluetooth connection with the environment pressure monitor 6, and the starting and stopping of the supercharger 2 are controlled through Bluetooth connection according to the pressure difference inside and outside the cab 1, so that the pressure in the cab 1 is kept stable.

The front of the cab 1 is provided with a front door 9, the front door 9 is provided with a door inner window 10 and a door handle 11, and the edge of the front door 9 is provided with a sealing ring to prevent external dust from entering the cab 1. The outside of the cab 1 is provided with the handrail 14 positioned at the opening of the front door 9, and the handrail 14 is vertically arranged, so that a driver can conveniently enter the cab 1. The front of the cab 1 is also provided with front windows 12 positioned at two sides of the front door 9, the side surface of the cab 1 is provided with side windows 13, and the back of the cab 1 is provided with back windows.

The working principle of the utility model is as follows:

the environment pressure monitor 6 is positioned outside the cab 1 and used for monitoring the pressure of the environment outside the cab 1, the indoor monitoring regulator 5 is arranged inside the cab 1 and can monitor the pressure in the cab 1, and the pressure of the environment outside the cab 1 is obtained through Bluetooth connection with the environment pressure monitor 6; when the pressure difference between the inside and the outside of the cab 1 is lower than a set value, the indoor monitoring regulator 5 is connected through Bluetooth to control the supercharger 2 to work, external air is filtered by the supercharger 2 and then enters the air conditioning evaporator 3, and then enters the cab 1 from each air outlet with different air outlet directions through the indoor air duct 4, so that the pressure in the cab 1 is increased, a positive pressure system is formed in the cab 1 by clean air, dust is prevented from entering the cab 1, and a comfortable and safe operation environment is provided for a driver; when the pressure difference between the inside and the outside of the cab 1 reaches a set value, the indoor monitoring regulator 5 controls the supercharger 2 to stop working through Bluetooth connection, so that the supercharger 2 is prevented from continuously running, and the service life of the supercharger 2 is prolonged.

Example 2

The embodiment provides a mining land leveller, which is provided with the cab pressure regulating system.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The cab pressure regulating system is characterized by comprising a cab, a supercharger, an air conditioner evaporator, an indoor air duct, an indoor monitoring regulator and an environmental pressure monitor;

2. The cab pressure adjustment system of claim 1, wherein the booster is externally provided with a collar secured to a base by a first bolt, the base being provided with a mounting hole, the base being secured to the cab by a second bolt extending through the mounting hole.

3. The cab pressure regulation system of claim 1, wherein one end of the supercharger is provided with an air inlet, a middle portion of the supercharger is provided with an air outlet, and an air inlet side of the supercharger is provided with a two-stage filter element.

4. The cab pressure regulation system of claim 1, wherein the indoor monitor regulator further comprises a controller, a carbon dioxide concentration sensor, a PM concentration sensor, and a display, the pressure sensor, carbon dioxide concentration sensor, PM concentration sensor, and display being respectively coupled to the controller.

5. The cab pressure regulation system of claim 1, wherein the indoor monitor regulator is mounted to an outer wall of the indoor air duct by a third bolt.

6. The cab pressure regulation system of claim 1, wherein the indoor air duct is connected with a plurality of air outlets having different air outlet directions.

7. The cab pressure adjustment system of claim 1, wherein a front face of the cab is provided with a front door having an inner door window and a door handle, and a seal ring is provided at an edge of the front door.

8. The cab pressure adjustment system of claim 7, wherein the cab exterior is provided with a armrest at the front door opening, the armrest being disposed vertically.

9. The cab pressure adjustment system of claim 7, wherein the front side of the cab is further provided with front windows on both sides of the front door, the side of the cab is provided with side windows, and the back side of the cab is provided with a back window.

10. A mining grader comprising the cab pressure regulation system of any one of claims 1-9.