Hydraulic support experimental device

Abstract

The embodiment of the utility model discloses a hydraulic support experiment device, and relates to the technical field of hydraulic support simulation. The hydraulic support experiment device comprises a base, a shield beam, a top beam, a connecting rod assembly, a first driving part and a second driving part, the base is rotationally connected with one end of the connecting rod assembly, the other end of the connecting rod assembly is rotationally connected with the shield beam, the shield beam is further rotationally connected with the top beam, and the first driving part is rotationally connected to the base and further rotationally connected to the top beam. The second driving part is rotatably connected to the shield beam and is further rotatably connected to the top beam and is used for driving the top beam to move, and the length of the connecting rod assembly can be adjusted, so that the connecting rod assembly can be adjusted, experiment parameters are changed, the comprehensiveness is improved, and the teaching requirements of mechanics and mechanical principles are met.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic support simulation technology, and in particular to a hydraulic support experimental device. Background Technology

[0002] With the development of hydraulic support technology, its application in coal mining is becoming increasingly widespread. In higher education, especially in mechanical engineering, hydraulic support technology has become an important research and teaching topic. Current teaching methods, particularly mechanics and mechanical principles experiments, are crucial components. However, existing equipment typically only allows for single-type experiments, lacking comprehensiveness and failing to meet the teaching needs of mechanics and mechanical principles. Utility Model Content

[0003] Therefore, it is necessary to provide a hydraulic support experimental device to solve the technical problem that existing equipment can usually only perform a single type of experiment, thus lacking comprehensiveness and failing to meet the teaching needs of mechanics and mechanical principles.

[0004] This utility model provides a hydraulic support experimental device, which includes: a base, a shield beam, a top beam, a connecting rod assembly, a first driving member, and a second driving member. The base is rotatably connected to one end of the connecting rod assembly, and the other end of the connecting rod assembly is rotatably connected to the shield beam. The shield beam is also rotatably connected to the top beam. The first driving member is rotatably connected to the base and also rotatably connected to the top beam, and is used to drive the top beam to move. The second driving member is rotatably connected to the shield beam and also rotatably connected to the top beam, and is used to drive the top beam to move.

[0005] The connecting rod assembly is adjustable in length.

[0006] In one embodiment, the linkage assembly includes a first link, a second link, a connector, a first fastener, and a second fastener. One end of the first link is rotatably connected to the base, and one end of the second link is rotatably connected to the shield beam. The first fastener passes through the first link and is connected to the connector, and the second fastener passes through the second link and is connected to the connector.

[0007] In one embodiment, the first link has a plurality of first connecting holes in its extension direction, the second link has a plurality of second connecting holes in its extension direction, the first fastener passes through one of the plurality of first connecting holes, and the second fastener passes through one of the plurality of second connecting holes.

[0008] In one embodiment, the hydraulic support experimental device further includes a first encoder, a second encoder, and a third encoder. The first encoder is installed at the connection between one end of the connecting rod assembly and the base and is used to sense the position of the connecting rod assembly. The second encoder is installed at the connection between the other end of the connecting rod assembly and the shield beam and is used to sense the position of the shield beam. The third encoder is installed at the connection between the shield beam and the top beam and is used to sense the position of the top beam.

[0009] In one embodiment, the hydraulic support experimental device further includes a first sensor, which is mounted on the base and used to sense the displacement of the top beam.

[0010] In one embodiment, the hydraulic support experimental device further includes a second sensor, which is mounted on the base and used to sense the displacement of the top beam.

[0011] In one embodiment, the hydraulic support experimental device further includes a third sensor, which is installed between the first drive member and the top beam and is used to sense the pressure of the top beam.

[0012] In one embodiment, the hydraulic support experimental device further includes a third driving member and a first shield plate. The third driving member is mounted on the shield beam and connected to the first shield plate, and is used to drive the first shield plate to move toward or away from the shield beam.

[0013] In one embodiment, the hydraulic support experimental device further includes a fourth driving member and a second protective plate. The fourth driving member is mounted on the top beam and connected to the second protective plate, and is used to drive the second protective plate to move toward or away from the top beam.

[0014] In one embodiment, the hydraulic support experimental device further includes a fifth driving member and a protective plate, the protective plate being rotatably connected to the top beam, the fifth driving member being rotatably connected to the top beam, the fifth driving member being rotatably connected to the protective plate, and being used to drive the protective plate to rotate.

[0015] Implementing the embodiments of this utility model will have the following beneficial effects:

[0016] The hydraulic support experimental device of this utility model has a base rotatably connected to one end of a connecting rod assembly, and the other end of the connecting rod assembly rotatably connected to a shield beam. The shield beam is also rotatably connected to a top beam. A first driving member is rotatably connected to the base and also rotatably connected to the top beam, and is used to drive the top beam to move. A second driving member is rotatably connected to the shield beam and also rotatably connected to the top beam, and is used to drive the top beam to move. The connecting rod assembly can be adjusted in length, making it adjustable and thus allowing for changes in experimental parameters to improve comprehensiveness and meet the teaching needs of mechanics and mechanical principles. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] in: Figure 1 This is an isometric schematic diagram of the hydraulic support experimental device in one embodiment.

[0019] Figure 2 for Figure 1 A partially enlarged schematic diagram of part A in the hydraulic support experimental device shown.

[0020] Figure 3 for Figure 1 Another isometric view of the hydraulic support experimental device shown.

[0021] Figure label:

[0022] 1. Base; 2. Protective beam; 3. Top beam;

[0023] 4. Linkage assembly; 41. First link; 411. First connecting hole; 42. Second link; 421. Second connecting hole; 43. Connector; 44. First fastener; 45. Second fastener;

[0024] 5. First drive unit; 6. Second drive unit; 7. First encoder; 71. Second encoder; 72. Third encoder; 8. First sensor; 81. Second sensor; 82. Third sensor;

[0025] 9. Third drive unit; 91. First protective plate; 92. Second protective plate; 93. Fifth drive unit; 94. Protective plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0028] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0029] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0030] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0031] Please combine them together Figures 1 to 3 The experimental device for hydraulic supports provided by this utility model will now be described.

[0032] The hydraulic support experimental device includes: a base 1, a shield beam 2, a top beam 3, a connecting rod assembly 4, a first driving component 5, and a second driving component 6. The base 1 is rotatably connected to one end of the connecting rod assembly 4, and the other end of the connecting rod assembly 4 is rotatably connected to the shield beam 2. The shield beam 2 is also rotatably connected to the top beam 3. The first driving component 5 is rotatably connected to the base 1 and the top beam 3, and is used to drive the top beam 3 to move. The second driving component 6 is rotatably connected to the shield beam 2 and the top beam 3, and is used to drive the top beam 3 to move.

[0033] Among them, the connecting rod assembly 4 can be adjusted in length.

[0034] Understandably, the base 1 of the hydraulic support experimental device is rotatably connected to one end of the connecting rod assembly 4, and the other end of the connecting rod assembly 4 is rotatably connected to the shield beam 2. The shield beam 2 is also rotatably connected to the top beam 3. The first driving component 5 is rotatably connected to the base 1 and the top beam 3, and is used to drive the top beam 3 to move. The second driving component 6 is rotatably connected to the shield beam 2 and the top beam 3, and is used to drive the top beam 3 to move. The connecting rod assembly 4 can be adjusted in length, making it adjustable so that the experimental parameters can be changed to improve the comprehensiveness and meet the teaching needs of mechanics and mechanical principles.

[0035] It should be noted that both the first driving component 5 and the second driving component 6 are electric cylinders. When the experimental device is started, the first driving component 5 and the second driving component 6 work together to drive the top beam 3, the shield beam 2 and the connecting rod assembly 4 to move, thereby causing the top beam 3 and the shield beam 2 to move into a preset shape.

[0036] In this embodiment, the linkage assembly 4 includes a first link 41, a second link 42, a connector 43, a first fastener 44, and a second fastener 45. One end of the first link 41 is rotatably connected to the base 1, and one end of the second link 42 is rotatably connected to the shield beam 2. The first fastener 44 passes through the first link 41 and is connected to the connector 43, and the second fastener 45 passes through the second link 42 and is connected to the connector 43. Specifically, both the first fastener 44 and the second fastener 45 are bolts. By adjusting the position of the first link 41 relative to the connector 43 and adjusting the position of the second link 42 relative to the connector 43, the first fastener 44 passes through the first link 41 and is threadedly connected to the connector 43, and the second fastener 45 passes through the second link 42 and is threadedly connected to the connector 43, thereby adjusting the length of the linkage assembly 4.

[0037] Furthermore, the first connecting rod 41 has a plurality of first connecting holes 411 extending in its extension direction, and the second connecting rod 42 has a plurality of second connecting holes 421 extending in its extension direction. A first fastener 44 passes through one of the plurality of first connecting holes 411, and a second fastener 45 passes through one of the plurality of second connecting holes 421. By providing a plurality of first connecting holes 411 and second connecting holes 421, the first fastener 44 can pass through the corresponding first connecting hole 411, and the second fastener 45 can pass through the corresponding second connecting hole 421.

[0038] In one embodiment, such as Figure 1As shown, the hydraulic support experimental device also includes a first encoder 7, a second encoder 71, and a third encoder 72. The first encoder 7 is installed at the connection between one end of the connecting rod assembly 4 and the base 1, and is used to sense the position of the connecting rod assembly 4. The second encoder 71 is installed at the connection between the other end of the connecting rod assembly 4 and the shield beam 2, and is used to sense the position of the shield beam 2. The third encoder 72 is installed at the connection between the shield beam 2 and the top beam 3, and is used to sense the position of the top beam 3. The first encoder 7 can convert the rotation state of the connecting rod assembly 4 into an electrical signal, thereby sensing the movement changes of the connecting rod assembly 4 in real time. The second encoder 71 can convert the rotation state of the shield beam 2 into an electrical signal, thereby sensing the movement changes of the shield beam 2 in real time. The third encoder 72 can convert the rotation state of the top beam 3 into an electrical signal, thereby sensing the movement changes of the top beam 3 in real time.

[0039] In one embodiment, continue as follows Figure 1 As shown, the hydraulic support experimental device also includes a first sensor 8, which is mounted on the base 1 and used to sense the displacement of the top beam 3. Specifically, the first sensor 8 is a wire-type displacement sensor, which can sense the movement of the top beam 3 in real time.

[0040] In this embodiment, the hydraulic support experimental device further includes a second sensor 81, which is mounted on the base 1 and used to sense the displacement of the top beam 3. Specifically, the second sensor 81 is a wire-type displacement sensor, capable of sensing the movement of the top beam 3 in real time. By setting two wire-type displacement sensors, the movement and displacement of the top beam 3 can be sensed more accurately.

[0041] In one embodiment, continue as follows Figure 1 As shown, the hydraulic support experimental device also includes a third sensor 82, which is installed between the first driving member 5 and the top beam 3, and is used to sense the pressure on the top beam 3. Specifically, the third sensor 82 is a pressure sensor. During the process of the first driving member 5 driving the top beam 3, the third sensor 82 will be compressed, thereby sensing the load on the top beam 3.

[0042] In one embodiment, such as Figure 1 and Figure 3 As shown, the hydraulic support experimental device also includes a third driving component 9 and a first protective plate 91. The third driving component 9 is mounted on the protective beam 2 and connected to the first protective plate 91, and is used to drive the first protective plate 91 to move closer to or further away from the protective beam 2. Specifically, the third driving component 9 is an electric push rod. The third driving component 9 is fixedly connected to the first protective plate 91, and can drive the first protective plate 91 to move, thereby adjusting the contact area of ​​the protective beam 2 to increase the support area.

[0043] In this embodiment, the hydraulic support experimental device further includes a fourth driving member and a second protective plate 92. The fourth driving member is mounted on the top beam 3 and connected to the second protective plate 92, and is used to drive the second protective plate 92 to move towards or away from the top beam 3. Specifically, the fourth driving member is an electric push rod (not shown in the figure). The fourth driving member is fixedly connected to the second protective plate 92, and the fourth driving member can drive the second protective plate 92 to move, thereby adjusting the contact area of ​​the top beam 3 to increase the support area.

[0044] In one embodiment, such as Figure 1 and Figure 3 As shown, the hydraulic support experimental device also includes a fifth driving component 93 and a protective plate 94. The protective plate 94 is rotatably connected to the top beam 3, and the fifth driving component 93 is rotatably connected to both the top beam 3 and the protective plate 94, and is used to drive the protective plate 94 to rotate. Specifically, the fifth driving component 93 is an electric push rod. The fifth driving component 93 can drive the protective plate 94 to rotate, thereby adjusting the position of the protective plate 94 to simulate responses to changes in different coal seam thicknesses.

[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A hydraulic support experimental device, characterized in that, The hydraulic support experimental device includes: a base, a shield beam, a top beam, a connecting rod assembly, a first driving member, and a second driving member. The base is rotatably connected to one end of the connecting rod assembly, and the other end of the connecting rod assembly is rotatably connected to the shield beam. The shield beam is also rotatably connected to the top beam. The first driving member is rotatably connected to the base and also rotatably connected to the top beam, and is used to drive the top beam to move. The second driving member is rotatably connected to the shield beam and also rotatably connected to the top beam, and is used to drive the top beam to move. The connecting rod assembly is adjustable in length.

2. The hydraulic support experimental device according to claim 1, characterized in that, The linkage assembly includes a first linkage, a second linkage, a connector, a first fastener, and a second fastener. One end of the first linkage is rotatably connected to the base, and one end of the second linkage is rotatably connected to the shield beam. The first fastener passes through the first linkage and is connected to the connector, and the second fastener passes through the second linkage and is connected to the connector.

3. The hydraulic support experiment device according to claim 2, characterized in that, The first link has a plurality of first connecting holes in its extension direction, and the second link has a plurality of second connecting holes in its extension direction. The first fastener passes through one of the plurality of first connecting holes, and the second fastener passes through one of the plurality of second connecting holes.

4. The hydraulic support experiment device according to claim 1, wherein The hydraulic support experimental device further includes a first encoder, a second encoder, and a third encoder. The first encoder is installed at the connection between one end of the connecting rod assembly and the base, and is used to sense the position of the connecting rod assembly. The second encoder is installed at the connection between the other end of the connecting rod assembly and the shield beam, and is used to sense the position of the shield beam. The third encoder is installed at the connection between the shield beam and the top beam, and is used to sense the position of the top beam.

5. The hydraulic support experimental device according to claim 1, characterized in that, The hydraulic support experimental device also includes a first sensor, which is installed on the base and used to sense the displacement of the top beam.

6. The hydraulic support experimental apparatus according to claim 5, characterized in that, The hydraulic support experimental device also includes a second sensor, which is installed on the base and used to sense the displacement of the top beam.

7. The hydraulic support experiment device according to claim 1, wherein The hydraulic support experimental device also includes a third sensor, which is installed between the first drive member and the top beam and is used to sense the pressure of the top beam.

8. The hydraulic support experimental device according to claim 1, characterized in that, The hydraulic support experimental device further includes a third driving component and a first protective plate. The third driving component is installed on the protective beam and connected to the first protective plate, and is used to drive the first protective plate to move towards or away from the protective beam.

9. The hydraulic support experimental apparatus according to claim 1, characterized in that, The hydraulic support experimental device also includes a fourth driving component and a second protective plate. The fourth driving component is installed on the top beam and connected to the second protective plate, and is used to drive the second protective plate to move towards or away from the top beam.

10. The hydraulic support experimental apparatus according to claim 1, characterized in that, The hydraulic support experimental device also includes a fifth driving component and a protective plate. The protective plate is rotatably connected to the top beam, the fifth driving component is rotatably connected to the top beam, and the fifth driving component is rotatably connected to the protective plate and is used to drive the protective plate to rotate.

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