Hydraulic support bottom lifting device

Abstract

The hydraulic support lifting device comprises a cover plate, a shell, a plurality of guide wheels, a hydraulic jack and a supporting assembly. The cover plate is provided with a lifting hole. The shell is arranged below the cover plate and is used for placing the hydraulic jack to protect the hydraulic jack. The plurality of guide wheels are arranged on the shell and are used for driving the hydraulic support lifting device to move the hydraulic support to be adjusted. The hydraulic jack is arranged in the shell and is used for controlling the hydraulic support lifting device to extend or retract to raise or lower the hydraulic support to be adjusted. The supporting assembly is arranged below the hydraulic jack and is used for supporting the hydraulic support lifting device to support the hydraulic support and move the hydraulic support. Thus, the hydraulic support can be moved stably by the guide wheels and the supporting assembly. The hydraulic support lifting device body can be protected by the cover plate and the shell, thereby prolonging the service life of the hydraulic support lifting device.

Description

Technical Field

[0001] The present application relates to the technical field of hydraulic supports, and in particular to a hydraulic support bottom lifting device. Background Art

[0002] Hydraulic supports are structures used to control mine pressure in coal mining faces. Mining pressure acts on the hydraulic supports in the form of external loads. In the mechanical system of the interaction between the hydraulic supports and the surrounding rock, if the combined force of the hydraulic support's supporting components and the combined external force of the roof acting on the hydraulic support are aligned, the hydraulic support is well adapted to the surrounding rock.

[0003] Currently, when a hydraulic support is in use, if the hydraulic support is to be adjusted for bottom lifting, a hydraulic support bottom lifting device is required to perform the hydraulic support bottom lifting adjustment. However, the existing hydraulic support bottom lifting device is usually only usable for a single size. If different sizes of hydraulic supports are required for bottom lifting adjustment, different hydraulic support bottom lifting devices must be used, which reduces the hydraulic support bottom lifting adjustment efficiency. In addition, the existing hydraulic support bottom lifting device has poor stability during use. In addition, the existing bottom lifting device is easily damaged during use and has a short service life.

[0004] Application Contents

[0005] The present application aims to solve at least one of the technical problems in the above-mentioned technology to a certain extent.

[0006] To this end, one purpose of this application is to propose a hydraulic support bottom lifting device, which can provide smooth movement for the hydraulic support through guide wheels and support components, and can protect the main body of the hydraulic support bottom lifting device through a cover plate and a shell, thereby improving the service life of the hydraulic support bottom lifting device.

[0007] To achieve the above-mentioned purpose, the first aspect of the present application proposes a hydraulic support bottom lifting device, comprising: a cover plate, a shell, guide wheels, a hydraulic top and a support assembly, wherein the cover plate is provided with a lifting hole; the shell is arranged below the cover plate for placing the hydraulic top to protect the hydraulic top; the four guide wheels are symmetrically arranged on the shell for moving the bottom lifting device to move the hydraulic support to be adjusted; the hydraulic top is arranged in the shell for extending and retracting the bottom lifting device to raise or lower the hydraulic support to be adjusted; the support assembly is arranged below the hydraulic top for supporting the bottom lifting device to support and move the hydraulic support.

[0008] The hydraulic support bottom lifting device of the present application can provide smooth movement for the hydraulic support through the guide wheels and support components, and can protect the main body of the hydraulic support bottom lifting device through the cover plate and the shell, thereby improving the service life of the hydraulic support bottom lifting device.

[0009] In addition, the hydraulic support bottom lifting device proposed in the present application may also have the following additional technical features:

[0010] In one embodiment of the present application, the hydraulic support bottom lifting device further includes: a screw hole platform, wherein the screw hole platform is symmetrically arranged on the cover plate and is used for fixing and adjusting the bottom lifting device to support and accommodate the bottom lifting device.

[0011] In one embodiment of the present application, the hydraulic support bottom lifting device further includes: a first mounting rib, wherein the first mounting rib is symmetrically arranged on both sides of the cover plate, and a first mounting hole is provided on the first mounting rib for installing and fixing the bottom lifting device.

[0012] In one embodiment of the present application, the hydraulic support bottom lifting device further includes: a second mounting rib, wherein the second mounting rib is symmetrically arranged on the shell, and a second mounting hole is provided on the second mounting rib for the installation of the bottom lifting device to adapt to the hydraulic support of other sizes.

[0013] In one embodiment of the present application, the hydraulic support bottom lifting device further includes: a third mounting rib, wherein the third mounting rib is symmetrically arranged on the shell, and a third mounting hole is provided on the third mounting rib for the installation of the bottom lifting device to adapt to the hydraulic support of other sizes.

[0014] In one embodiment of the present application, a mounting cavity is provided in the housing.

[0015] In one embodiment of the present application, the support assembly includes a component body, a rotating table and a sliding wheel, wherein the component body is arranged in the mounting cavity, and the component body is located below the hydraulic top; the rotating table is arranged below the component body; the sliding wheel is located below the rotating table, and the sliding wheel is flush with the guide wheel.

[0016] After adopting the above technical solution, the advantages of this application compared with the existing technology are: it can provide smooth movement for the hydraulic support through the guide wheels and support components, and can protect the main body of the hydraulic support bottom lifting device through the cover plate and the shell, thereby improving the service life of the hydraulic support bottom lifting device.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0019] Figure 1 This is a schematic structural diagram of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0020] Figure 2 This is a front view of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0021] Figure 3 This is a side view of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0022] Figure 4 This is a top view of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0023] Figure 5 This is a bottom view of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0024] Figure 6 This is a cross-sectional view of a hydraulic support bottom lifting device according to one embodiment of the present application;

[0025] As shown in the figure: 1 cover plate, 2 shell, 3 screw hole platform, 4 first mounting rib, 5 second mounting rib, 6 third mounting rib, 7 guide wheel, 8 hydraulic top, 9 support assembly, 10 lifting hole, 20 mounting cavity, 40 first mounting hole, 50 second mounting hole, 60 third mounting hole, 90 component body, 91 rotary table, 92 sliding wheel. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all variations, modifications, and equivalents that fall within the spirit and scope of the appended claims.

[0027] The hydraulic support bottom lifting device according to an embodiment of the present application will be described below with reference to the accompanying drawings.

[0028] The hydraulic support bottom lifting device provided in the embodiment of the present application can be used in mine passages and for moving and adjusting hydraulic supports in mine tunnels.

[0029] Figure 1 This is a schematic structural diagram of a hydraulic support bottom lifting device according to an embodiment of the present application. Figure 6 This is a cross-sectional view of a hydraulic support bottom lifting device according to one embodiment of the present application.

[0030] like Figure 1 and Figure 6 As shown, the hydraulic support bottom lifting device of the embodiment of the present application may include: a cover plate 1, a shell 2, a guide wheel 7, a hydraulic top 8 and a support assembly 9.

[0031] Among them, a lifting hole 10 is set on the cover plate 1, and the shell 2 is set below the cover plate 1 for placing the hydraulic top 8 to protect the hydraulic top 8. Four guide wheels 7 are set on the shell 2 for moving the bottom lifting device to move the hydraulic support to be adjusted.

[0032] Furthermore, a hydraulic jack 8 is provided in the housing 1 for extending and retracting the bottom lifting device to raise or lower the hydraulic support to be adjusted.

[0033] Furthermore, a support assembly 9 is provided below the hydraulic jack 8 for supporting the bottom lifting device to support the hydraulic support and the mobile hydraulic support.

[0034] Specifically, when using the hydraulic support bottom lifting device, relevant personnel can lift the hydraulic support bottom lifting device through the lifting hole 10 set above the cover plate 1, and then use the hydraulic support bottom lifting device. Through the shell 2 set under the cover plate 1, the hydraulic top 8 is installed to protect the hydraulic top 8. The distance of the bottom lifting device is adjusted through the four guide wheels 7 symmetrically set on the shell 2, so as to move the hydraulic support.

[0035] Furthermore, the hydraulic top 8 provided in the shell 1 is used to extend and retract the bottom lifting device, thereby raising and lowering the hydraulic support to be adjusted, and the support assembly 9 provided below the hydraulic top 8 is used to support the bottom lifting device, thereby moving and supporting the hydraulic support.

[0036] Specifically, when installing the hydraulic support bottom lifting device, relevant personnel can place the hydraulic top 8 through the shell 2 set under the cover plate 1, and install the hydraulic top 8 in the installation cavity 20 of the shell 2. After the hydraulic top 8 is installed in the installation cavity 20, the support assembly 9 is installed under the hydraulic top 8. After the support assembly 9 is installed under the hydraulic top 8, the relevant personnel connect the lifting hole 10 and the lifting ring above the cover plate 1. After the lifting hole 10 and the lifting ring are connected, one end of the hoist is placed on the hydraulic support, and the hook of the hoist is connected to the lifting ring. After the hook of the hoist is connected to the lifting ring, the relevant personnel hoist the bottom lifting device to the installation location of the bottom lifting device of the hydraulic support. After hoisting to the installation location, the bottom lifting device is placed in a suitable position.

[0037] Furthermore, the relevant personnel remove the lifting ring from the lifting hole 10. After the lifting ring is removed from the lifting hole 10, the bottom lifting device fixing frame of the hydraulic support is installed on the top of the cover plate 1, and the bolts are used to pass through the bottom lifting device fixing frame. After the bolts pass through the bottom lifting device fixing frame, the bolts and the lifting hole 10 are connected. After the connection is completed, the bolts are used to pass through the bottom lifting device fixing frame and the screw hole platform 3. After the bottom lifting device fixing frame and the screw hole platform 3 are connected.

[0038] Relevant personnel select the first mounting rib 4, the second mounting rib 5 and the third mounting rib 6 according to the size of the hydraulic support. After finding the appropriate height, the bolts are passed through the first mounting holes 40, the second mounting holes 50 or the third mounting holes 60 of the first mounting rib 4, the second mounting rib 5 and the third mounting rib 6. After passing through the corresponding mounting ribs, the mounting ribs and the hydraulic support are connected to complete the installation of the bottom lifting device.

[0039] After the relevant personnel have installed the bottom lifting device, they use the control device to control the hydraulic top 8 to extend. After the control device controls the hydraulic top 8 to extend, the component body 90 of the support component 9 follows the hydraulic top 8 to extend. After the component body 90 follows the hydraulic top 8 to extend, the rotary table 91 installed under the component body 90 follows the component body 90 to extend. After the rotary table 91 follows the component body 90 to extend, the sliding wheel 92 installed under the rotary table 91 follows the rotary table 91 to extend. After the sliding wheel 92 follows the rotary table 91 to extend.

[0040] The relevant personnel install the pull rod on the shell 2, and move the shell 2 to a suitable position along the adjustment track through the four guide wheels 7 symmetrically arranged on the shell 2 and the sliding wheel 92 under the support assembly 9, so as to complete the use of the hydraulic support bottom lifting device.

[0041] See also Figures 1-6In one embodiment of the present application, the above-mentioned hydraulic support bottom lifting device also includes: a screw hole platform 3, wherein the screw hole platform 3 is symmetrically arranged on the cover plate 1, and is used for fixing and adjusting the bottom lifting device to support and accommodate the bottom lifting device.

[0042] Specifically, when the bottom lifting device needs to be adjusted, relevant personnel can install and adjust the bottom lifting device through the screw hole platforms 3 symmetrically set on the cover plate 1, thereby completing the support and storage work of the bottom lifting device.

[0043] Furthermore, the relevant personnel place the hydraulic support bottom lifting device under the hydraulic support. After the hydraulic support bottom lifting device is placed under the hydraulic support, the relevant personnel align the screw hole platform 3 symmetrically set on the cover plate 1 with the mounting hole of the hydraulic support. After the screw hole platform 3 and the mounting hole of the hydraulic support are aligned, the hydraulic support and the screw hole platform 3 are connected with bolts to complete the installation of the bottom lifting device.

[0044] When the bottom lifting device needs to be stored, the relevant personnel can loosen the bolts from the screw hole platform 3, and then adjust the bottom lifting device to a suitable angle. After adjusting to a suitable angle, tighten the bolts from the screw hole platform 3 to complete the storage work of the bottom lifting device.

[0045] When the bottom lifting device needs to be used, the relevant personnel can loosen the bolts from the receiving screw hole platform 3, and then make the bottom of the bottom lifting device contact the adjustment track. After the bottom of the bottom lifting device contacts the adjustment track, tighten the bolts to complete the placement of the bottom lifting device and then complete the use of the hydraulic support bottom lifting device.

[0046] In one embodiment of the present application, Figures 1-6 As shown, the above-mentioned hydraulic support bottom lifting device also includes: a first mounting rib 4, wherein the first mounting rib 4 is symmetrically arranged on both sides of the cover plate 1, and a first mounting hole 40 is provided on the first mounting rib 4 for installing and fixing the bottom lifting device.

[0047] Specifically, when the bottom lifting device needs to be fixed, relevant personnel can fix the bottom lifting device through the first mounting rib 4 symmetrically arranged on the shell 2, and install the bottom lifting device through the first mounting hole 40 arranged on the first mounting rib 4, so as to adapt to hydraulic supports of other sizes, thereby completing the use of the bottom lifting device of the hydraulic support.

[0048] Further, when fixing the lifting device, the relevant personnel places the first installation rib plate 4 on the hydraulic support, and after placing the first installation rib plate 4 on the hydraulic support, the first installation rib plate 4 and the hydraulic support are connected through the first installation hole 40 of the first installation rib plate 4. After the bolt passes through the first installation hole 40, the bolt is connected with the hydraulic support, and the installation of the hydraulic support lifting device can be completed, and other sizes of hydraulic supports can be adapted, so that the use of the hydraulic support lifting device is completed.

[0049] With reference to Figures 1-6 In an embodiment of the present application, the hydraulic support lifting device further comprises a second installation rib plate 5, wherein the second installation rib plate 5 is symmetrically arranged on the shell 2, and the second installation rib plate 5 is provided with a second installation hole 50 for the installation of the lifting device to adapt to other sizes of hydraulic supports.

[0050] Specifically, when the lifting device needs to be fixed, the relevant personnel can fix the lifting device through the second installation rib plate 5 symmetrically arranged on the shell 2, and install the lifting device through the second installation hole 50 arranged on the second installation rib plate 5, so as to adapt to other sizes of hydraulic supports, thereby completing the use of the hydraulic support lifting device.

[0051] Further, when fixing the lifting device, the relevant personnel places the second installation rib plate 5 on the hydraulic support, and after placing the second installation rib plate 5 on the hydraulic support, the second installation rib plate 5 and the hydraulic support are connected through the second installation hole 50 of the second installation rib plate 5. After the bolt passes through the second installation hole 50, the bolt is connected with the hydraulic support, and the installation of the hydraulic support lifting device can be completed, and other sizes of hydraulic supports can be adapted, so that the use of the hydraulic support lifting device is completed.

[0052] With reference to Figures 1-6 In an embodiment of the present application, the hydraulic support lifting device further comprises a third installation rib plate 6, wherein the third installation rib plate 6 is symmetrically arranged on the shell 2, and the third installation rib plate 6 is provided with a third installation hole 60 for the installation of the lifting device to adapt to other sizes of hydraulic supports.

[0053] Specifically, when the lifting device needs to be fixed, the relevant personnel can fix the lifting device through the third installation rib plate 6 symmetrically arranged on the shell 2, and install the lifting device through the third installation hole 60 arranged on the third installation rib plate 6, so as to adapt to other sizes of hydraulic supports, thereby completing the use of the hydraulic support lifting device.

[0054] Furthermore, when fixing the bottom lifting device, the relevant personnel places the third mounting rib 6 on the hydraulic support. After placing the third mounting rib 6 on the hydraulic support, the third mounting rib 6 and the hydraulic support are connected through the third mounting hole 60 of the third mounting rib 6. The relevant personnel pass the bolt through the third mounting hole 60. After the bolt passes through the third mounting hole 60, the bolt and the hydraulic support are connected, and the installation of the hydraulic support bottom lifting device can be completed, and then it can be adapted to hydraulic supports of other sizes, thereby completing the use of the hydraulic support bottom lifting device.

[0055] In one embodiment of the present application, Figures 1-6 As shown, a mounting cavity 20 is provided in the housing 2 .

[0056] Specifically, when installing the hydraulic top 8 and the support assembly 9, the relevant personnel can install the hydraulic top 8 and the support assembly 9 through the installation cavity 20 set in the shell 2, and then assemble the bottom lifting device. The hydraulic top 8 is placed on the upper part of the installation cavity 20. After the hydraulic top 8 is installed, the support assembly 9 is installed below the hydraulic top 8. After the support assembly 9 is installed below the hydraulic top 8, the installation of the support assembly 9 can be completed, and the assembly of the hydraulic support bottom lifting device is completed, thereby completing the use of the hydraulic support bottom lifting device.

[0057] In one embodiment of the present application, Figures 1-6 As shown, the support assembly 9 includes an assembly body 90 , a rotary table 91 and a sliding wheel 92 .

[0058] Among them, the component body 90 is arranged in the installation cavity 20, and the component body 90 is located below the hydraulic top 8, the rotating table 91 is arranged below the component body 90, the sliding wheel 92 is located below the rotating table 91, and the sliding wheel 92 is flush with the guide wheel 7.

[0059] Specifically, when the hydraulic support needs to be moved, the relevant personnel can move the hydraulic support through the support component 9, and the relevant personnel can support the bottom lifting device through the component body 90 arranged in the installation cavity 20 and below the hydraulic top 8. The hydraulic top 8 is extended and retracted by the controller, and the hydraulic top 8 drives the component body 90 to extend and retract when it is extended. After the component body 90 is extended and retracted, the bottom lifting device can be supported. After the component body 90 supports the bottom lifting device, the sliding wheel 92 is supported by the rotating table 91 arranged below the component body 90. The sliding wheel 92 is installed below the component body 90.

[0060] Furthermore, the sliding wheel 92 and the guide wheel 7 are set flush. After the sliding wheel 92 and the guide wheel 7 are set flush, the relevant personnel use relevant equipment to move the sliding wheel 92 and the guide wheel 7 of the bottom lifting device along the lower support rod to complete the movement of the hydraulic support.

[0061] In summary, the hydraulic support bottom lifting device of the embodiment of the present application can be used in hydraulic support factories, coal equipment factories, etc., and can guide wheels and support components to provide smooth movement for the hydraulic support. The main body of the hydraulic support bottom lifting device can be protected by the cover plate and the shell, thereby improving the service life of the hydraulic support bottom lifting device.

[0062] In the description of the present application, it should 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application 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 a limitation on the present application.

[0063] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0064] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, or integration, mechanical or electrical connections, direct connections or indirect connections through an intermediate medium, and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0065] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it 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. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0066] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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 application. In this specification, the schematic expressions of the above terms must be directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0067] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A hydraulic support bottom lifting device, characterized in that: include: A cover plate (1), a housing (2), a plurality of guide wheels (7), a hydraulic top (8) and a support assembly (9), wherein: The cover plate (1) is provided with a lifting hole (10); The housing (2) is arranged below the cover plate (1) and is used for placing the hydraulic top (8) to protect the hydraulic top (8); The plurality of guide wheels (7) are respectively arranged on the housing (2) and are used to drive the hydraulic support bottom lifting device to move the hydraulic support to be adjusted; The hydraulic top (8) is arranged in the housing (2) and is used to control the extension and retraction of the hydraulic support bottom lifting device to raise or lower the hydraulic support to be adjusted; The support assembly (9) is arranged below the hydraulic top (8) and is used to support the hydraulic support bottom lifting device to support the hydraulic support and move the hydraulic support; It also includes: a screw hole platform (3), wherein the screw hole platform (3) is symmetrically arranged on the cover plate (1) and is used for fixing and adjusting the bottom lifting device to support and accommodate the bottom lifting device; It also includes: a first mounting rib (4), wherein: The first mounting ribs (4) are symmetrically arranged on both sides of the cover plate (1), and the first mounting ribs (4) are provided with first mounting holes (40) for mounting and fixing the bottom lifting device; A mounting cavity (20) is provided in the housing (2); The support assembly (9) comprises an assembly body (90), a rotary table (91) and a sliding wheel (92), wherein: The component body (90) is arranged in the installation cavity (20), and the component body (90) is located below the hydraulic top (8); The rotary table (91) is arranged below the component body (90); The sliding wheel (92) is located below the rotary table (91), and the sliding wheel (92) and the guide wheel (7) are flush.

2. The hydraulic support bottom lifting device according to claim 1, characterized in that: Also includes: A second mounting rib (5), wherein the second mounting rib (5) is symmetrically arranged on the shell (2), and a second mounting hole (50) is provided on the second mounting rib (5) for installing the bottom lifting device to adapt to the hydraulic support of other sizes.

3. The hydraulic support bottom lifting device according to claim 1, characterized in that: Also includes: A third mounting rib (6), wherein the third mounting rib (6) is symmetrically arranged on the shell (2), and a third mounting hole (60) is provided on the third mounting rib (6) for installing the bottom lifting device to adapt to the hydraulic support of other sizes.

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