CN220413937U

CN220413937U - Pneumatic type plastering machine

Info

Publication number: CN220413937U
Application number: CN202321674419.6U
Authority: CN
Inventors: 张涛; 王强; 余从; 杨恒卫; 张玉楼; 王璐; 王强强
Original assignee: Shaanxi Huadian Yuheng Coal And Electricity Co ltd
Current assignee: Shaanxi Huadian Yuheng Coal And Electricity Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-01-30
Anticipated expiration: 2033-06-28

Abstract

The utility model provides a pneumatic plastering machine, which comprises: the plastering assembly comprises a plastering part and a driving part connected with the plastering part, wherein the driving part is used for driving the plastering part to rotate, at least part of the plastering part is used for being in contact with the ground so as to be used for plastering the ground, the operating assembly comprises an operating rod, the operating rod is provided with a cavity, a first end of the operating rod is connected with the driving part, the cavity is communicated with an air inlet of the driving part, and a second end of the operating rod is used for being connected with an underground air pressing pipe so that wind pressure in the underground air pressing pipe drives the driving part to work. The pneumatic plastering machine has the advantages of convenience in use and high safety.

Description

Pneumatic type plastering machine

Technical Field

The utility model relates to the technical field of construction equipment, in particular to a pneumatic plastering machine.

Background

The troweling machine is a concrete surface coarse and fine troweling machine. The surface subjected to machine construction is smoother and flatter than the surface subjected to manual construction, the compactness and the wear resistance of the concrete surface can be greatly improved, and the working efficiency is improved by more than 10 times in effect compared with that of the concrete surface subjected to manual operation. The existing trowelling machine has two types, namely an electric type and an internal combustion type, has relatively limited power source, is inconvenient to apply to underground use, and has higher explosion-proof safety requirement.

Therefore, a pneumatic plastering machine is generally used underground, and compared with an electric plastering machine and an internal combustion plastering machine, no electric leakage exists, and whether a motor, a switch and a cable are required to meet the explosion-proof safety requirements is not required to be considered. However, in the related art, the device for providing the air source is connected with the plastering machine through the connecting pipe, and a certain sealing is required to be ensured at the bending part of the connecting pipe, and in the use process, the plastering machine is often required to be frequently moved, so that air leakage is easy to be caused, and in the underground use process, the underground environment is more easily damaged due to the fact that the air pressure is larger.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the pneumatic plastering machine, which has the advantages of convenience in use and high safety.

The pneumatic finishing machine of the embodiment of the utility model comprises:

a frame body;

the plastering assembly comprises a plastering part and a driving part connected with the plastering part, wherein the driving part is used for driving the plastering part to rotate, and at least part of the plastering part is used for being contacted with the ground so as to be used for plastering the ground;

the control assembly comprises a control rod, wherein the control rod is provided with a cavity, a first end of the control rod is connected with the driving part, the cavity is communicated with an air inlet of the driving part, and a second end of the control rod is connected with an underground air pressing pipe so that air pressure in the underground air pressing pipe drives the driving part to work.

The pneumatic plastering machine provided by the embodiment of the utility model can drive the driving part of the plastering assembly by utilizing the gas in the underground air pressing pipe, so that the plastering part is driven to perform plastering treatment on the bottom surface, and compared with an electric and internal combustion plastering machine, the pneumatic plastering machine has high safety, and in addition, the operating rod cavity is used as a part of a gas conveying path, so that the use of a valve is reduced, and the possibility of environmental damage caused by gas leakage is reduced.

Therefore, the pneumatic plastering machine provided by the embodiment of the utility model has the advantages of convenience in use and high safety.

In some embodiments, the joystick includes a hand-held portion and a connection portion connected between the hand-held portion and the drive portion.

In some embodiments, the handpiece has a connection end at an end of the handpiece remote from the connection portion, the interior cavity of the handpiece and the interior cavity of the connection portion communicate and form the cavity, the connection end has a port in communication with the cavity for connection with the down hole air pressure tube.

In some embodiments, the extending direction of the holding part is orthogonal to the extending direction of the connecting part, and the connecting part is connected with the middle part of the holding part.

In some embodiments, the pneumatic trowel of embodiments of the present utility model further comprises a connection valve, a first end of the connection valve being connected to the connection end, and a second end of the connection valve being connected to the down-hole plenum.

In some embodiments, the pneumatic trowelling machine of the embodiments of the present utility model further comprises a control assembly electrically connected to the connecting valve, wherein the control assembly is used for controlling the opening or closing of the connecting valve.

In some embodiments, the control assembly includes a control member coupled to the handpiece, the control member being movable between a first position and a second position,

the control piece is in the first position, and the connecting valve is opened, so that gas in the underground air pressing pipe is led into the cavity;

and the control piece is in the second position, and the connecting valve is closed so as to prevent gas in the underground air pressing pipe from being introduced into the cavity.

In some embodiments, the pneumatic trowelling machine of the embodiments of the present utility model further comprises a detection assembly coupled to the frame, the detection assembly configured to detect a pressure within the cavity.

In some embodiments, the pneumatic trowel of embodiments of the present utility model further includes a relief valve coupled to the lever, the relief valve having a first state and a second state,

in the first state, the pressure relief valve conducts the cavity and the outside;

in the second state, the pressure relief valve blocks the cavity from the outside.

In some embodiments, the pressure release valves are multiple, and at least one pressure release valve is arranged on the connecting part and the handheld part.

Drawings

FIG. 1 is a schematic view of a pneumatic trowel structure in accordance with an embodiment of the present utility model.

FIG. 2 is a schematic view of a pneumatic trowel structure according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a pneumatic trowel structure in accordance with an embodiment of the present utility model.

Reference numerals:

a frame body 1;

a plastering assembly 2; a driving section 21; a wiping surface 22; a fixing bracket 221; trowelling fan blades 222;

a handling assembly 3; a joystick 31; a hand-held portion 311; a connection portion 312;

a connection valve 4;

a pressure release valve 5;

a control member 6.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 3, the pneumatic finishing machine according to the embodiment of the present utility model includes: a frame body 1, a plastering assembly 2 and a manipulating assembly 3.

The plastering assembly 2 comprises a plastering portion 22 and a driving portion 21 connected with the plastering portion 22, wherein the driving portion 21 is used for driving the plastering portion 22 to rotate, and at least part of the plastering portion 22 is used for being contacted with the ground so as to be used for plastering the ground. The operating assembly 3 comprises an operating rod 31, wherein the operating rod 31 is provided with a cavity, a first end of the operating rod 31 is connected with the driving part 21, the cavity is communicated with an air inlet of the driving part 21, and a second end of the operating rod 31 is used for being connected with a downhole air pressing pipe so that the air pressure in the downhole air pressing pipe drives the driving part 21 to work.

Specifically, as shown in fig. 1 to 3, the frame body 1 is positioned on top of the plastering assembly 2, and the driving part 21 is mounted on the frame body 1. The trowelling part 22 comprises a fixed support 221 and trowelling blades 222, the fixed support 221 and the frame body 1 can be fixedly connected in a welding mode or the like, and can be detachably connected by screws or the like, and the trowelling blades 222 are connected with the driving part 21, so that when the driving part 21 is started, the trowelling blades 222 can be driven to rotate, and the trowelling function of the bottom surface is realized.

It is to be understood that the driving portion 21 may be a pneumatic motor (hereinafter, the embodiments will be described by taking pneumatic motors as examples), and an output shaft of the pneumatic motor may be connected to the trowelling fan blade 222 through a coupling. The second end of the control rod 31 (i.e. the rear end of the control rod 31) is connected with the underground coal mine air pressure pipe, so that the air in the air pressure pipe is used as an air source to start the driving part 21 and drive the trowelling fan blade 222 to rotate.

That is, when the pneumatic type plastering machine is applied to underground coal mine scenes, the pneumatic type plastering machine can be driven to work by directly utilizing the gas in the underground compressed air pipe, and compared with an electric type plastering machine and an internal combustion type plastering machine, the pneumatic type plastering machine does not need to consider whether a motor, a switch and a cable meet the explosion-proof safety requirements, and is simple to operate and equivalent in power.

Therefore, the pneumatic plastering machine of the embodiment of the utility model can drive the driving part 21 of the plastering assembly 2 by utilizing the gas in the underground air pressing pipe, thereby driving the plastering part 22 to perform plastering treatment on the bottom surface, and compared with the plastering machine adopting an electric type and an internal combustion type, the pneumatic plastering machine has high safety, and in addition, the cavity of the control rod 31 is used as a part of a gas conveying path, so that the use of a valve is reduced, and the possibility of environmental damage caused by gas leakage is reduced.

In some embodiments, the joystick 31 includes a hand-held portion 311 and a connection portion 312, the connection portion 312 being connected between the hand-held portion 311 and the driving portion 21.

Specifically, as shown in fig. 1 to 3, the housing of the connection portion 312 is connected to the frame body 1, and a communication hole is provided at the connection portion of the connection portion 312 and the housing, the communication hole communicating the cavity with the air inlet of the driving portion 21. The hand-held portion 311 is located at the rear of the connection portion 312 to facilitate the operation of the constructor.

In some embodiments, the hand-held portion 311 has a connection end at an end of the hand-held portion 311 remote from the connection portion 312, the interior cavity of the hand-held portion 311 and the interior cavity of the connection portion 312 communicate and form a cavity, the connection end has a port in communication with the cavity, the port for connection to a down-hole air pipe.

It will be appreciated that, as shown in fig. 1-3, the hand-held portion 311 and the connecting portion 312 may be integrally formed, and the inner cavity of the hand-held portion 311 and the inner cavity of the connecting portion 312 are communicated to form a cavity, or the hand-held portion 311 and the connecting portion 312 are tubular and may be connected by welding, and the inner cavity of the hand-held portion 311 connected by welding is communicated with the inner cavity of the connecting portion 312.

Preferably, the extending direction of the holding portion 311 is orthogonal to the extending direction of the connecting portion 312, and the connecting portion 312 is connected to the middle portion of the holding portion 311.

It will be appreciated that, as shown in fig. 1 to 3, the hand-held portion 311 extends in the left-right direction, and the projected extending direction of the connecting portion 312 coincides with the front-rear direction in a plane orthogonal to the up-down direction. The left and right ends of the connection portion 312 are located at the left and right sides of the hand-held portion 311, respectively, and the ports at the left and right ends of the connection portion 312 can be connected to the underground air pressure pipe.

That is, the port at the left end of the connecting portion 312 and the port at the right end of the connecting portion 312 may be connected to the same wind pressure pipe, or may be connected to a wind pressure pipe with different wind pressures, so as to ensure that the pressure value in the cavity can drive the driving portion 21 to work.

Of course, the ports at the left and right ends of the connection portion 312 may be separately connected to the wind pressure pipe, and the other port may be closed by a plunger plug having an inner diameter matching the inner diameter of the port.

In some embodiments, the pneumatic trowel of embodiments of the present utility model further includes a connection valve 4, a first end of the connection valve 4 being connected to the connection end, and a second end of the connection valve 4 being connected to the downhole air pipe.

It will be appreciated that the connecting valve 4 is used to connect the plenum and the connection end as shown in fig. 1-3. It should be noted that the connection valve 4 may be a regulating valve or a check valve, etc. to facilitate the connection between the air compressing pipe and the connection end.

Preferably, as shown in fig. 1 to 3, there are two connection valves 4, and the two connection valves 4 are connected to the left and right ends of the hand-held portion 311, respectively.

In some embodiments, the pneumatic trowel of embodiments of the present utility model further includes a control assembly electrically coupled to the connecting valve 4, the control assembly being configured to control the opening or closing of the connecting valve 4.

It will be appreciated that the control assembly comprises a switch and a controller, the switch being provided on the hand-held portion 311, the switch, controller and the connecting valve 4 being connected in sequence so that the switch can be used to control the opening or closing of the connecting valve 4. The switch may be a push button switch (i.e. as shown in fig. 1), a knob switch, or any other type of switch.

It should be noted that the control assembly further includes a power source connected to the controller to provide a source of energy to the control assembly, and the power source may be a battery.

Preferably, the two switches are respectively connected with the left connecting valve 4 and the right connecting valve 4, so as to respectively control the opening or closing of the two connecting valves 4.

In some embodiments, the control assembly includes a control member 6 (i.e., a switch), the control member 6 being connected to the handle 311, the control member 6 being movable between a first position and a second position, the control member 6 in the first position, the connection valve 4 being opened to allow gas in the down hole plenum to pass into the cavity; in the second position, the control member 6 closes the connecting valve 4 to block the passage of gas from the down-hole plenum into the cavity.

That is, as shown in fig. 1-3, the control member 6 is in the first position and the connecting valve 4 is in the closed state. The control member 6 is moved in a direction approaching the hand-held portion 311 until it is moved to a second position (not shown in the drawing), and the connection valve 4 is in an open state.

In some embodiments, the pneumatic trowelling machine according to the embodiments of the present utility model further comprises a detection assembly connected to the frame 1, the detection assembly being configured to detect the pressure in the cavity.

It can be understood that the detection component comprises a pressure sensor and an alarm which are connected in sequence, the pressure sensor can detect the pressure in the cavity, and when the pressure in the cavity reaches a preset pressure value, an alarm signal can be sent out through the alarm, wherein the alarm can be a display screen or an alarm lamp, and the like, so that an operator can be conveniently reminded.

That is, when the warning device sends out a warning signal, it indicates that the pressure in the inner cavity of the operating lever 31 is too high, the operating lever 31 is blocked, and the operating lever 31 needs to be stopped and checked, so that the construction safety is ensured.

In some embodiments, the pneumatic finishing machine of the embodiment of the present utility model further comprises a pressure release valve 5, the pressure release valve 5 is connected with the control lever 31, the pressure release valve 5 has a first state and a second state, and in the first state, the pressure release valve 5 conducts the cavity to the outside; in the second state, the relief valve 5 blocks the cavity from the outside.

It will be appreciated that as shown in fig. 1-3, when the pressure in the cavity reaches the preheat pressure value and the pressure is still rising until the pre-alarm pressure value, the pressure relief valve 5 changes from the second state to the first state to relieve the pressure in the cavity.

Optionally, a plurality of pressure release valves 5 are provided, and at least one pressure release valve 5 is provided on the connecting portion 312 and the holding portion 311.

Specifically, as shown in fig. 1-3, the connection portion 312 is provided with a pressure release valve 5, the hand-held portion 311 is provided with a pressure release valve 5, wherein the pressure release opening of the pressure release valve 5 on the connection portion 312 is arranged towards the left side, and the pressure release opening of the pressure release valve 5 on the hand-held portion 311 is arranged towards the rear side, so that the pressure release process can be ensured to avoid impacting an operator or the ground, and the safety of the operator is ensured.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A pneumatic trowelling machine, comprising:

a frame body;

2. A pneumatic trowel as claimed in claim 1 wherein the joystick includes a hand-held portion and a connection portion, the connection portion being connected between the hand-held portion and the drive portion.

3. A pneumatic facing machine as claimed in claim 2, wherein the hand-held portion has a connection end located at an end of the hand-held portion remote from the connection portion, the interior cavity of the hand-held portion and the interior cavity of the connection portion communicating and forming the cavity, the connection end having a port in communication with the cavity, the port being for connection with the down-hole air pipe.

4. A pneumatic trowel as claimed in claim 3 wherein the extension of the hand-held portion is orthogonal to the extension of the attachment portion and the attachment portion is connected to the central portion of the hand-held portion.

5. The pneumatic finishing machine of claim 4, further comprising a connecting valve, a first end of the connecting valve being connected to the connecting end, a second end of the connecting valve being connected to the down-hole plenum.

6. A pneumatic trowel as in claim 5 further comprising a control assembly in electrical communication with the junction valve, the control assembly for controlling the opening or closing of the junction valve.

7. A pneumatic trowel as in claim 6, wherein the control assembly includes a control member coupled to the hand-held portion, the control member being movable between a first position and a second position,

8. A pneumatic trowel as claimed in any of claims 2 to 7 further comprising a detection assembly connected to the frame, the detection assembly being adapted to detect pressure within the cavity.

9. The pneumatic finishing machine of claim 8, further comprising a pressure relief valve coupled to the lever, the pressure relief valve having a first state and a second state,

10. A pneumatic finishing machine as claimed in claim 9 wherein there are a plurality of said pressure relief valves, at least one of said pressure relief valves being provided on said connecting portion and said hand-held portion.