Supporting device and supporting method for crawler-type pushing hydraulic support of working face

Abstract

The invention provides a working face crawler-type pushing hydraulic support supporting device and method. The working face crawler-type pushing hydraulic support supporting device comprises a chassis, the length direction of the chassis is the first direction, the width direction of the chassis is the second direction, and any two of the first direction, the second direction and the vertical direction are perpendicular to each other; the two sides, in the second direction, of the chassis are each provided with a first crawler walking part. The top beam is in a plate shape, and the two sides, in the second direction, of the top beam are each provided with a second crawler walking part; the supporting part comprises a hydraulic stand column, a fixed part of the hydraulic stand column is connected with the chassis, a telescopic part of the hydraulic stand column can extend upwards, and the telescopic part of the hydraulic stand column is connected with the top beam. Therefore, the working face crawler-type pushing hydraulic support supporting device has the advantages of being high in supporting efficiency and safety.

Description

Technical Field

[0001] The invention relates to the technical field of mining, and in particular to a working face crawler-type hydraulic support support device and a support method. Background Art

[0002] In the related technologies, in the traditional underground coal mine support scenarios, such as using single hydraulic props or some fixed hydraulic supports, they are often adjusted by manual transportation or with the help of specific tracks, winches, etc., and the movement process is cumbersome and inefficient. When many existing conventional hydraulic supports encounter complex geological conditions such as soft bottom plates and steeply inclined coal seams, the base pressure of ordinary supports is large and will sink into the bottom plate, resulting in the support being unable to stably support the top plate, affecting the support effect. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the present invention provides a working surface crawler-type hydraulic support support device and a support method.

[0004] The working surface crawler-type hydraulic support support device of the embodiment of the present invention comprises:

[0005] A chassis, wherein the length direction of the chassis is a first direction, the width direction of the chassis is a second direction, any two of the first direction, the second direction and the up-down direction are perpendicular to each other, and first crawler walking parts are provided on both sides of the second direction of the chassis;

[0006] A top beam, the top beam is plate-shaped, and both sides of the top beam in the second direction are provided with second crawler walking parts;

[0007] The supporting part comprises a hydraulic column, a fixed part of the hydraulic column is connected to the chassis, a telescopic part of the hydraulic column can be extended upward, and the telescopic part of the hydraulic column is connected to the top beam.

[0008] Therefore, the working face crawler-type hydraulic support support device according to the embodiment of the present invention has the advantages of high support efficiency and high safety.

[0009] In some embodiments, the chassis is provided with a first driving unit, the first driving unit is connected to the first crawler walking unit, and the first driving unit can drive the first crawler walking unit to move in the up and down direction relative to the chassis so that the first crawler walking unit has a first supporting position and a first walking position, in the first supporting position, at least a portion of the chassis is located below the first crawler walking unit, and in the first walking position, at least a portion of the first crawler walking unit is located below the chassis;

[0010] A second driving unit is provided on the top beam, and the second driving unit is connected to the second crawler walking unit. The second driving unit can drive the second crawler walking unit to move in the up and down directions relative to the top beam so that the second crawler walking unit has a second supporting position and a second walking position. In the second supporting position, at least a portion of the top beam is located above the second crawler walking unit. In the second walking position, at least a portion of the second crawler walking unit is located above the top beam.

[0011] In some embodiments, the first crawler walking part includes a first crawler drive, a first crawler frame and a first crawler, and the first crawler drive can drive the first crawler to move on the first crawler frame;

[0012] The second crawler walking part comprises a second crawler drive, a second crawler frame and a second crawler, and the second crawler drive can drive the second crawler to move on the second crawler frame;

[0013] The first driving unit includes a plurality of first hydraulic telescopic cylinders, the fixed portion of the first hydraulic telescopic cylinders is connected to the chassis, the telescopic portion of the first hydraulic telescopic cylinders can be extended downward, and each of the first crawler frames is connected to the telescopic portions of at least two of the first hydraulic telescopic cylinders;

[0014] The second driving unit includes a plurality of second hydraulic telescopic cylinders, a fixed portion of the second hydraulic telescopic cylinders is connected to the top beam, a telescopic portion of the second hydraulic telescopic cylinders can be extended upward, and each of the second crawler frames is connected to the telescopic portions of at least two of the second hydraulic telescopic cylinders.

[0015] In some embodiments, the supporting portion includes a first rotating frame and a second rotating frame, the two ends of the first rotating frame are respectively hinged to the chassis and the first rotating frame, the end of the second rotating frame away from the first rotating frame is hinged to the top beam, the fixed portion of the hydraulic column is hinged to the chassis, the top of the telescopic portion of the hydraulic column is hinged to the top beam, and the rotation axes of the first rotating frame, the second rotating frame and the hydraulic column are all in the second direction.

[0016] In some embodiments, the lower end of the first rotating frame is hinged to the rear end of the chassis, the top of the first rotating frame is hinged to the rear end of the top beam, and there are multiple hydraulic columns, which are spaced apart in the second direction.

[0017] In some embodiments, the front end and the rear end of the chassis are both provided with coal-blocking plates for protecting the first crawler walking part, and the front end and the rear end of the chassis are both provided with gas detectors.

[0018] In some embodiments, a pressure sensor is disposed on the first crawler frame, and the pressure sensor is used to monitor the pressure borne by the first crawler frame.

[0019] In some embodiments, a tensioning portion is provided in the first track frame, and the tensioning portion is used to adjust the tension of the first track. The tensioning portion includes a tensioning drive and a tensioning telescopic rod. The tensioning drive can drive the tensioning telescopic rod to extend in the first direction, and the telescopic portion of the tensioning telescopic rod is connected to at least one of the guide wheel and the driving wheel in the first track frame.

[0020] The present invention also proposes a supporting method using the above-mentioned working surface crawler-type hydraulic support supporting device, comprising the following steps:

[0021] The first driving unit drives the first crawler walking unit to move to a first walking position, so that at least a portion of the first crawler walking unit is located below the chassis; the second driving unit drives the second crawler walking unit to move to a second walking position, so that at least a portion of the second crawler walking unit is located above the top beam; the hydraulic column drives the top beam to move upward and causes the second crawler walking unit to abut against the tunnel roof;

[0022] The first crawler walking part and the second crawler walking part are started so that the crawler-type hydraulic support supporting device of the working surface moves to the supporting position;

[0023] After reaching the support position, the first driving unit drives the first crawler walking unit to move to the first supporting position so that at least part of the chassis is located below the first crawler walking unit, and the second driving unit drives the second crawler walking unit to move to the second supporting position so that at least part of the top beam is located above the second crawler walking unit, and the hydraulic column drives the top beam to move upward and makes the top beam abut against the top plate of the tunnel.

[0024] In some embodiments, after the coal mining machine advances forward by a first preset distance, the first crawler walking part and the second crawler walking part are activated so that the working face crawler-type push hydraulic support support device moves toward the direction adjacent to the coal mining machine to a support position;

[0025] Before starting the crawler-type hydraulic support support device on the working surface, check whether the chassis, the top beam, the first crawler walking part and the second crawler walking part are deformed and damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of a working surface crawler-type hydraulic support support device according to an embodiment of the present invention.

[0027] Figure 2This is the first view of the walking state of the working surface crawler-type hydraulic support supporting device according to an embodiment of the present invention.

[0028] Figure 3 This is a second view of the walking state of the working surface crawler-type pushing hydraulic support supporting device according to an embodiment of the present invention.

[0029] Figure 4 This is the first view of the supporting state of the crawler-type hydraulic support supporting device for the working face according to an embodiment of the present invention.

[0030] Figure 5 This is a second view of the supporting state of the working face crawler-type pushing hydraulic support supporting device according to an embodiment of the present invention.

[0031] Figure 6 Schematic diagram of a first crawler walking unit according to an embodiment of the present invention.

[0032] Figure numerals: 1. chassis, 2. first crawler walking part, 21. first crawler frame, 22. first crawler, 3. top beam, 4. second crawler walking part, 41. second crawler frame, 42. second crawler, 5. hydraulic column, 6. first rotating frame, 7. second rotating frame, 8. coal blocking plate, 9. tensioning part. DETAILED DESCRIPTION

[0033] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0034] The following describes the working surface crawler type hydraulic support support device according to the embodiment of the present invention with reference to the accompanying drawings. Figures 1 to 6 As shown, the working surface crawler-type hydraulic support support device according to an embodiment of the present invention includes a chassis 1, a top beam 3 and a support portion.

[0035] The length direction of the chassis 1 is the first direction, and the width direction of the chassis 1 is the second direction. Any two of the first direction, the second direction and the up-down direction are perpendicular to each other. The first crawler walking part 2 is provided on both sides of the second direction of the chassis 1. Specifically, the chassis 1 is provided with a first driving part, which is connected to the first crawler walking part 2. The first driving part can drive the first crawler walking part 2 to move in the up-down direction relative to the chassis 1 so that the first crawler walking part 2 has a first supporting position and a first walking position. Figure 4 and Figure 5 As shown, in the first support position, at least part of the chassis 1 is located below the first crawler walking part 2, so that the chassis 1 can contact the bottom plate of the roadway. Figure 2 and Figure 3As shown, in the first walking position, at least part of the first crawler walking part 2 is located below the chassis 1, so that the first crawler walking part 2 can contact the bottom plate of the tunnel, so that the first crawler walking part 2 can drive the chassis 1 to move. The first direction can be the front-to-back direction, and the second direction can be the left-to-right direction. For example, the first crawler walking part 2 is provided on both sides of the chassis 1 in the left-to-right direction.

[0036] The top beam 3 is plate-shaped, and the second crawler walking part 4 is provided on both sides of the second direction of the top beam 3. Specifically, a second driving part is provided on the top beam 3, and the second driving part is connected to the second crawler walking part 4. The second driving part can drive the second crawler walking part 4 to move in the up and down direction relative to the top beam 3 so that the second crawler walking part 4 has a second supporting position and a second walking position. Figure 4 and Figure 5 As shown, in the second supporting position, at least part of the top beam 3 is located above the second crawler walking part 4, so that the top beam 3 can contact the tunnel roof to support the tunnel roof. Figure 2 and Figure 3 As shown, in the second walking position, at least a portion of the second crawler walking portion 4 is located above the top beam 3, so that the second crawler walking portion 4 can easily drive the top beam 3 to move.

[0037] The support part includes a hydraulic column 5, the fixed part of the hydraulic column 5 is connected to the chassis 1, the telescopic part of the hydraulic column 5 can be extended upward, and the telescopic part of the hydraulic column 5 is connected to the top beam 3. Specifically, the support part includes a first rotating frame 6 and a second rotating frame 7. The two ends of the first rotating frame 6 are respectively hinged to the chassis 1 and the first rotating frame 6, the end of the second rotating frame 7 away from the first rotating frame 6 is hinged to the top beam 3, the fixed part of the hydraulic column 5 is hinged to the chassis 1, the top of the telescopic part of the hydraulic column 5 is hinged to the top beam 3, and the rotation axes of the first rotating frame 6, the second rotating frame 7 and the hydraulic column 5 are all in the second direction. Therefore, the first rotating frame 6, the second rotating frame 7, the chassis 1 and the hydraulic column 5 can form a connecting rod mechanism to drive the top beam 3 to move in the up and down direction, so that the top beam 3 can be abutted against the top plate of the tunnel, thereby supporting the tunnel, and the second crawler walking part 4 can be abutted against the top plate of the tunnel, so as to facilitate the movement of the top beam 3. For example, the lower end of the first rotating frame 6 is hinged to the rear end of the chassis 1, the top of the first rotating frame 6 is hinged to the rear end of the top beam 3, there are multiple hydraulic columns 5, and the multiple hydraulic columns 5 are spaced apart in the second direction (left-right direction).

[0038] like Figures 1 to 5As shown, in some embodiments, the first crawler walking part 2 includes a first crawler drive, a first crawler frame 21 and a first crawler 22, and the first crawler drive can drive the first crawler 22 to move on the first crawler frame 21. The second crawler walking part 4 includes a second crawler drive, a second crawler frame 41 and a second crawler 42, and the second crawler drive can drive the second crawler 42 to move on the second crawler frame 41. For example, the first crawler drive and the second crawler drive are motors. Anti-skid chains are arranged on the first crawler 22 and the second crawler 42.

[0039] The first driving part includes a plurality of first hydraulic telescopic cylinders, the fixed part of the first hydraulic telescopic cylinders is connected to the chassis 1, the telescopic part of the first hydraulic telescopic cylinders can be extended downward, and each first crawler frame 21 is connected to the telescopic parts of at least two first hydraulic telescopic cylinders. Thus, the first hydraulic telescopic cylinder can drive the first crawler walking part 2 to move in the up and down direction relative to the chassis 1 so that the first crawler walking part 2 has a first supporting position and a first walking position.

[0040] The second driving unit includes a plurality of second hydraulic telescopic cylinders, the fixed portion of the second hydraulic telescopic cylinders is connected to the top beam 3, the telescopic portion of the second hydraulic telescopic cylinders can be extended upward, and each second crawler frame 41 is connected to the telescopic portions of at least two second hydraulic telescopic cylinders. Thus, the second hydraulic telescopic cylinders can drive the second crawler walking portion 4 to move in the up and down direction relative to the top beam 3 so that the second crawler walking portion 4 has a second supporting position and a second walking position.

[0041] like Figure 6 As shown, in some embodiments, the front and rear ends of the chassis 1 are both provided with coal-blocking plates 8 for protecting the first crawler walking part 2, and the coal-blocking plates 8 can protect the first crawler walking part 2, and the front and rear ends of the chassis 1 are both provided with gas detectors. For example, the gas detector is a flammable and explosive gas detector.

[0042] In some embodiments, a pressure sensor is provided on the first crawler frame 21, and the pressure sensor is used to monitor the pressure on the first crawler frame 21. For example, various monitoring elements such as high-precision pressure sensors, displacement sensors, and angle sensors are installed at key locations such as the hydraulic column 5 and the top beam 3.

[0043] like Figure 6 As shown, a tensioning part 9 is provided in the first track frame 21, and the tensioning part 9 is used to adjust the tension of the first track 22. The tensioning part 9 includes a tensioning driver and a tensioning telescopic rod. The tensioning driver can drive the tensioning telescopic rod to extend in the first direction, and the telescopic part of the tensioning telescopic rod is connected to at least one of the guide wheel and the driving wheel in the first track frame 21. For example, two tensioning parts 9 are provided in the first track frame 21, and the telescopic parts of the tensioning telescopic rods of the two tensioning parts 9 are respectively connected to the guide wheel and the driving wheel in the first track frame 21, so as to adjust the tension of the first track 22.

[0044] According to the working surface crawler type hydraulic support support device of the embodiment of the present invention, by setting the first crawler walking part 2 on the chassis 1 and the second crawler walking part 4 on the top beam 3, it is convenient for the first crawler walking part 2 and the second crawler walking part 4 to drive the working surface crawler type hydraulic support support device to move in the tunnel, so as to improve the support efficiency. In addition, during the movement of the working surface crawler type hydraulic support support device, the second crawler walking part 4 on the top beam 3 is always in contact with the tunnel roof, so that the tunnel roof can be supported all the time, and the working surface crawler type hydraulic support support device can be prevented from tipping over, thereby further improving safety.

[0045] Therefore, the working face crawler-type hydraulic support support device according to the embodiment of the present invention has the advantages of high support efficiency and high safety.

[0046] The present invention also proposes a supporting method for a crawler-type hydraulic support supporting device for a working surface according to an embodiment of the present invention. The crawler-type hydraulic support supporting method for a working surface according to an embodiment of the present invention comprises the following steps:

[0047] The first driving unit drives the first crawler walking unit 2 to move to the first walking position, so that at least part of the first crawler walking unit 2 is located below the chassis 1, and the second driving unit drives the second crawler walking unit 4 to move to the second walking position, so that at least part of the second crawler walking unit 4 is located above the top beam 3, and the hydraulic column 5 drives the top beam 3 to move upward and makes the second crawler walking unit 4 abut against the tunnel roof. In this way, the first crawler walking unit 2 and the second crawler walking unit 4 can drive the working surface crawler-type push hydraulic support support device to move in the tunnel.

[0048] The first crawler walking part 2 and the second crawler walking part 4 are started so that the crawler-type hydraulic support support device of the working face is moved to the support position. Specifically, after the coal mining machine advances forward by a first preset distance, the first crawler walking part 2 and the second crawler walking part 4 are started so that the crawler-type hydraulic support support device of the working face is moved to the support position in the direction of the adjacent coal mining machine. For example, as the coal mining machine starts the coal cutting operation, the electrical control system of the crawler-type hydraulic support support device of the working face obtains the position information and coal cutting progress of the coal mining machine in real time through the communication connection with the coal mining machine. According to the preset following distance and frame shifting sequence, when the coal mining machine advances forward by a certain distance, the crawler-type hydraulic support support device of the working face starts the frame shifting operation. During the movement of the crawler-type hydraulic support support device on the working surface, the first crawler walking part 2 and the second crawler walking part 4 provide supporting force so that the top plate is always supported. The first crawler walking part 2 and the second crawler walking part 4 are started and moved to the next support position according to the set frame moving route and speed. During the movement, attention should always be paid to the stability of the support and the distance from surrounding equipment (such as adjacent supports, scraper conveyors, etc.) to prevent collision and interference.

[0049] After reaching the supporting position, the first driving unit drives the first crawler walking unit 2 to move to the first supporting position, so that at least part of the chassis 1 is located below the first crawler walking unit 2, and the second driving unit drives the second crawler walking unit 4 to move to the second supporting position, so that at least part of the top beam 3 is located above the second crawler walking unit 4, and the hydraulic column 5 drives the top beam 3 to move upward and makes the top beam 3 abut against the tunnel roof. In this way, the top beam 3 can support the tunnel roof.

[0050] In some embodiments, before the crawler-type hydraulic support support device for the working surface is started, check whether the chassis 1, the top beam 3, the first crawler walking part 2 and the second crawler walking part 4 are deformed and damaged. Specifically, comprehensively check the appearance of the crawler-type hydraulic support support device for the working surface, and check whether the structural parts such as the chassis 1, the top beam 3, the first crawler walking part 2 and the second crawler walking part 4 have signs of deformation, damage or open welding. Check whether the pipe connections of the hydraulic system are tight and whether there are any leaks. Check the electrical system, including the controller, sensor, operating platform, various cables, etc. Ensure that the controller can start and run normally, the sensor probe is not damaged and is firmly installed, the display screen, buttons and other functions of the operating platform are normal, the cables are not damaged, broken or short-circuited, and the wiring terminals of each electrical component are reliably connected to ensure the integrity and reliability of the entire electrical control system so that data can be accurately collected and control instructions can be executed.

[0051] Therefore, the working face crawler-type hydraulic support support method according to the embodiment of the present invention has the advantages of high support efficiency and high safety.

[0052] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0053] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0056] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0057] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A crawler-type hydraulic support support device for a working surface, characterized in that: include: A chassis, wherein the length direction of the chassis is a first direction, the width direction of the chassis is a second direction, any two of the first direction, the second direction and the up-down direction are perpendicular to each other, and first crawler walking parts are provided on both sides of the second direction of the chassis; A top beam, the top beam is plate-shaped, and both sides of the top beam in the second direction are provided with second crawler walking parts; The supporting part comprises a hydraulic column, a fixed part of the hydraulic column is connected to the chassis, a telescopic part of the hydraulic column can be extended upward, and the telescopic part of the hydraulic column is connected to the top beam.

2. The crawler-type hydraulic support support device for working surface according to claim 1 is characterized in that: The chassis is provided with a first driving unit, the first driving unit is connected to the first crawler walking unit, and the first driving unit can drive the first crawler walking unit to move in the up-down direction relative to the chassis so that the first crawler walking unit has a first supporting position and a first walking position, in which at least a part of the chassis is located below the first crawler walking unit, and in the first walking position, at least a part of the first crawler walking unit is located below the chassis; A second driving unit is provided on the top beam, and the second driving unit is connected to the second crawler walking unit. The second driving unit can drive the second crawler walking unit to move in the up and down directions relative to the top beam so that the second crawler walking unit has a second supporting position and a second walking position. In the second supporting position, at least a portion of the top beam is located above the second crawler walking unit. In the second walking position, at least a portion of the second crawler walking unit is located above the top beam.

3. The crawler-type hydraulic support support device for working surface according to claim 2 is characterized in that: The first crawler walking part comprises a first crawler driver, a first crawler frame and a first crawler, and the first crawler driver can drive the first crawler to move on the first crawler frame; The second crawler walking part comprises a second crawler drive, a second crawler frame and a second crawler, and the second crawler drive can drive the second crawler to move on the second crawler frame; The first driving unit includes a plurality of first hydraulic telescopic cylinders, the fixed portion of the first hydraulic telescopic cylinders is connected to the chassis, the telescopic portion of the first hydraulic telescopic cylinders can be extended downward, and each of the first crawler frames is connected to the telescopic portions of at least two of the first hydraulic telescopic cylinders; The second driving unit includes a plurality of second hydraulic telescopic cylinders, a fixed portion of the second hydraulic telescopic cylinders is connected to the top beam, a telescopic portion of the second hydraulic telescopic cylinders can be extended upward, and each of the second crawler frames is connected to the telescopic portions of at least two of the second hydraulic telescopic cylinders.

4. The crawler-type hydraulic support support device for working surface according to claim 1 is characterized in that: The supporting portion includes a first rotating frame and a second rotating frame, two ends of the first rotating frame are respectively hinged to the chassis and the first rotating frame, one end of the second rotating frame away from the first rotating frame is hinged to the top beam, a fixed portion of the hydraulic column is hinged to the chassis, a top of the telescopic portion of the hydraulic column is hinged to the top beam, and the rotation axes of the first rotating frame, the second rotating frame and the hydraulic column are all in the second direction.

5. The crawler-type hydraulic support support device for working surface according to claim 4 is characterized in that: The lower end of the first rotating frame is hinged to the rear end of the chassis, the top of the first rotating frame is hinged to the rear end of the top beam, and there are multiple hydraulic columns, which are spaced apart in the second direction.

6. The crawler-type hydraulic support support device for working surface according to claim 1 is characterized in that: The front end and the rear end of the chassis are both provided with coal blocking plates for protecting the first crawler walking part, and the front end and the rear end of the chassis are both provided with gas detectors.

7. The crawler-type hydraulic support support device for working surface according to claim 3 is characterized in that: The first crawler frame is provided with a pressure sensor, and the pressure sensor is used to monitor the pressure borne by the first crawler frame.

8. The crawler-type hydraulic support support device for working surface according to claim 3 is characterized in that: A tensioning portion is provided in the first track frame, and the tensioning portion is used to adjust the tension of the first track. The tensioning portion includes a tensioning driver and a tensioning telescopic rod. The tensioning driver can drive the tensioning telescopic rod to extend in the first direction, and the telescopic portion of the tensioning telescopic rod is connected to at least one of the guide wheel and the driving wheel in the first track frame.

9. A support method using the working face crawler type hydraulic support support device according to claim 2, characterized in that: The following steps are involved: The first driving unit drives the first crawler walking unit to move to a first walking position, so that at least a portion of the first crawler walking unit is located below the chassis; the second driving unit drives the second crawler walking unit to move to a second walking position, so that at least a portion of the second crawler walking unit is located above the top beam; the hydraulic column drives the top beam to move upward and causes the second crawler walking unit to abut against the tunnel roof; The first crawler walking part and the second crawler walking part are started so that the crawler-type hydraulic support supporting device of the working surface moves to the supporting position; After reaching the support position, the first driving unit drives the first crawler walking unit to move to the first supporting position so that at least part of the chassis is located below the first crawler walking unit, and the second driving unit drives the second crawler walking unit to move to the second supporting position so that at least part of the top beam is located above the second crawler walking unit, and the hydraulic column drives the top beam to move upward and makes the top beam abut against the tunnel roof.

10. The working surface crawler-type hydraulic support support method according to claim 9 is characterized in that: After the coal mining machine advances forward a first preset distance, the first crawler walking part and the second crawler walking part are started so that the working face crawler-type hydraulic support support device moves toward the direction adjacent to the coal mining machine to a support position; Before starting the crawler-type hydraulic support support device on the working surface, check whether the chassis, the top beam, the first crawler walking part and the second crawler walking part are deformed and damaged.

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