Hydraulic support rock retaining device
By designing the gangue barrier device of the hydraulic support, using the servo motor to drive the gears and worm systems, the baffle can be flipped and lifted, solving the safety problem of gangue falling during the lifting of the hydraulic support and providing a safer working environment.
Patent Information
- Application Number
- CN202421536718.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-01
AI Technical Summary
During the hydraulic support lift or pulling process, the contact position of the side guard plate is prone to drop cinder coal blocks, which can easily cause damage to the operators or equipment below.
A hydraulic support gangue arresting device is designed, including a hydraulic support and a gangue arresting mechanism. The gangue blocking mechanism consists of a mounting seat, a first baffle, a second baffle, a third baffle, an observation port and a servo motor. The gear and worm system are driven by the servo motor, so that the first and second baffles can be flipped and lifted, preventing gangue from falling.
It effectively avoids the harm of gangue drop to operators and equipment during the lifting of hydraulic brackets, and provides a safer working environment.
Smart Images
Figure CN222716925U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic supports, in particular to a hydraulic support rock retaining device. Background Art
[0002] Hydraulic supports are structures used to control the mine pressure at the coal mining face. The mine pressure at the mining face acts on the hydraulic supports in the form of external loads, and the hydraulic supports support the surrounding rock of the mining face to provide a safe and stable working space. In the mechanical system of the interaction between the hydraulic supports and the surrounding rock of the mining face, if the combined force of the supporting parts of the hydraulic supports and the combined force of the external load acting on the hydraulic supports by the roof are exactly in the same straight line, then the hydraulic supports are very suitable for the surrounding rock of the mining face.
[0003] Based on the above, the inventors have found the following problem: during the process of lifting or pulling the hydraulic support, coal cinders and coal blocks are easily dropped from the contact position of the side guard plate, which may easily cause damage to the operators or equipment below.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a hydraulic support rock retaining device is provided, in order to achieve a purpose with greater practical value. Utility Model Content
[0005] In order to solve the above technical problems, the embodiment of the utility model provides a hydraulic support rock blocking device, which is specifically implemented through the following technical solutions:
[0006] A rock-blocking device for a hydraulic support comprises a hydraulic support and a rock-blocking mechanism, wherein the rock-blocking mechanism comprises a mounting seat, wherein the mounting seat is arranged on the bottom side of the hydraulic support, wherein a first baffle is rotatably connected inside the mounting seat, wherein a second baffle is slidably installed inside the first baffle, wherein a receiving groove is provided on one side of an upper end of the second baffle, wherein a third baffle is rotatably connected inside the receiving groove, wherein observation ports are provided on both sides of the first baffle, wherein a pair of the observation ports are located on the same horizontal line, and wherein tempered glass is installed inside the observation ports.
[0007] Furthermore, a transmission cavity is opened on one side of the mounting seat, one end of the first baffle extends into the interior of the transmission cavity and is sleeved with a first bevel gear.
[0008] The beneficial effect of adopting the above further solution is that by sleeve-arranging the first bevel gear on one end of the first baffle, the transmission of the first baffle is facilitated.
[0009] Furthermore, a second bevel gear is rotatably connected to one side of the interior of the transmission cavity, and the second bevel gear is meshed with the first bevel gear.
[0010] The beneficial effect of adopting the above further solution is that, by meshing the first bevel gear with the second bevel gear, when the second bevel gear rotates, the first bevel gear can be driven to rotate.
[0011] Furthermore, a first servo motor is fixedly mounted on the inner top of the transmission cavity, and a first worm is sleeved on the output end of the first servo motor.
[0012] The beneficial effect of adopting the above further solution is that by installing the first servo motor, the first worm can be driven to rotate when it is working.
[0013] Furthermore, a first worm wheel is sleeved on one end of the second bevel gear, and the first worm wheel and the first worm are meshed with each other.
[0014] The beneficial effect of adopting the above further scheme is that by sleeved the first worm wheel on one end of the second bevel gear and meshing with the first worm, the first servo motor can drive the second bevel gear to rotate, thereby rotating the first bevel gear, thereby causing the first baffle to flip, making it convenient for the user to stand it up or lay it down on the bottom side of the hydraulic support.
[0015] Furthermore, retaining frames are installed on both sides of the inner bottom end of the first baffle, and the upper ends of the retaining frames are rotatably connected with screw rods.
[0016] The beneficial effect of adopting the above further solution is that by rotating the connecting screw on the retaining frame, it is convenient to thread the connecting screw with the connecting block.
[0017] Furthermore, connecting blocks are installed on both sides of the inner bottom end of the second baffle, and the screw rod is threadedly connected to the connecting blocks.
[0018] The beneficial effect of adopting the above further solution is that by threading the connection block with the screw rod, when the screw rod rotates, the second baffle plate in the sliding connection can be driven to move up and down.
[0019] Furthermore, second servo motors are installed on both sides of the inner bottom end of the first baffle, and the output end of the second servo motor is threadedly connected to the screw rod.
[0020] The beneficial effect of adopting the above further solution is that by installing the second servo motor, the screw rod can be driven to rotate when it is working.
[0021] Furthermore, a cavity is formed on one side of the second baffle plate located at the receiving groove, and one end of the third baffle plate extends into the cavity and is sleeved with a second worm gear.
[0022] The beneficial effect of adopting the above further solution is that by sleeved the second worm gear on one end of the third baffle, it is convenient to drive the second worm gear.
[0023] Furthermore, a third servo motor is embedded and installed on one side of the cavity, and a second worm is sleeved on the output end of the third servo motor, and the second worm is meshed with a second worm wheel.
[0024] The beneficial effect of adopting the above further solution is that by installing the third servo motor, it can drive the second worm to rotate when it is working, and by engaging the second worm with the second worm wheel, the third servo motor can drive the third baffle to flip.
[0025] The beneficial effect of the utility model is as follows: the utility model obtains a hydraulic support gangue blocking device through the above-mentioned design, and the hydraulic support gangue blocking device is connected by rotating the first baffle plate inside the mounting seat, and the second baffle plate is slidably installed inside the first baffle plate. When the hydraulic support needs to be lifted or lowered, the user can rotate the first lower baffle plate to make it stand up, and raise the second baffle plate, thereby preventing the falling gangue from causing harm to the operator. By opening a storage groove on one side of the upper end of the second baffle plate, and rotating and connecting the third baffle plate inside it, when the third baffle plate rotates, it can be parallel to the ground, further preventing gangue from falling into the interior of the hydraulic support, and by opening an observation port and installing tempered glass inside it, the operator can still observe the external conditions through the observation port after the first baffle plate and the second baffle plate are raised. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0027] Figure 1 A schematic diagram of the three-dimensional structure of a hydraulic support rock retaining device provided by the utility model Figure 1 ;
[0028] Figure 2 A schematic diagram of the three-dimensional structure of a hydraulic support rock retaining device provided by the utility model Figure 2 ;
[0029] Figure 3 A partial top-sectional schematic diagram of a mounting base of a hydraulic support rock retaining device provided by the utility model;
[0030] Figure 4 A schematic front cross-sectional view of a first baffle and a second baffle of a rock retaining device of a hydraulic support provided by the utility model;
[0031] Figure 5The utility model provides a schematic top-sectional view of a second baffle and a third baffle of a hydraulic support rock retaining device.
[0032] In the figure: 100, hydraulic support; 200, gangue blocking mechanism; 2001, mounting seat; 2002, first baffle; 2003, second baffle; 2004, third baffle; 2005, observation port; 2006, first bevel gear; 2007, second bevel gear; 2008, first worm wheel; 2009, first worm; 2010, first servo motor; 2011, retaining frame; 2012, screw; 2013, connecting block; 2014, receiving groove; 2015, third servo motor; 2016, cavity; 2017, second worm wheel; 2018, second worm; 2019, transmission cavity; 2020, second servo motor. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.
[0035] Embodiment 1 of the utility model of a hydraulic support rock retaining device
[0036] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a hydraulic support rock-blocking device comprises a hydraulic support 100 and a rock-blocking mechanism 200, wherein the rock-blocking mechanism 200 comprises a mounting seat 2001, wherein the mounting seat 2001 is arranged at the bottom side of the hydraulic support 100, wherein a first baffle 2002 is rotatably connected inside the mounting seat 2001, wherein a second baffle 2003 is slidably mounted inside the first baffle 2002, wherein a receiving groove 2014 is provided on one side of the upper end of the second baffle 2003, wherein a third baffle 2004 is rotatably connected inside the receiving groove 2014, wherein observation ports 2005 are provided on both sides of the first baffle 2002, wherein a pair of observation ports 2005 are located on the same horizontal line, wherein tempered glass is installed inside the observation ports 2005, wherein the first baffle 2002 is rotatably connected inside the mounting seat 2001, and The second baffle plate 2003 is slidably installed inside the first baffle plate 2002. When the hydraulic support 100 needs to be raised or lowered, the user can rotate the first lower baffle plate 2002 to make it stand upright, and raise the second baffle plate 2003 to prevent the falling gangue from causing harm to the operator. A storage groove 2014 is opened on one side of the upper end of the second baffle plate 2003, and the third baffle plate 2004 is rotatably connected inside it. When the third baffle plate 2004 rotates, it can be parallel to the ground, further preventing gangue from falling into the interior of the hydraulic support 1001. An observation port 2005 is opened and tempered glass is installed inside it, so that after the first baffle plate 2002 and the second baffle plate 2003 are raised, the operator can still observe the external conditions through the observation port 2005.
[0037] Embodiment 2 of the utility model of a hydraulic support rock retaining device
[0038] Reference Figure 1-Figure 5As shown, one end of the first baffle 2002 extends to the interior of the transmission cavity 2019 and is sleeved with a first bevel gear 2006. A second bevel gear 2007 is rotatably connected to one side of the interior of the transmission cavity 2019. The second bevel gear 2007 and the first bevel gear 2006 are meshed with each other. A first servo motor 2010 is fixedly installed at the top of the interior of the transmission cavity 2019. A first worm 2009 is sleeved at the output end of the first servo motor 2010. A first worm gear 2008 is sleeved at one end of the second bevel gear 2007. The first worm gear 2008 and the first worm gear 2008 are meshed with each other. 2009 are meshed with each other, a retaining frame 2011 is installed on both sides of the inner bottom end of the first baffle 2002, and the upper end of the retaining frame 2011 is rotatably connected with a screw rod 2012, a connecting block 2013 is installed on both sides of the inner bottom end of the second baffle 2003, and the screw rod 2012 and the connecting block 2013 are threadedly connected, a second servo motor 2020 is installed on both sides of the inner bottom end of the first baffle 2002, and the output end of the second servo motor 2020 is threadedly connected to the screw rod 2012, and a first cone is sleeved on one end of the first baffle 2002. The gear 2006 is convenient for transmitting the first baffle 2002. By meshing the first bevel gear 2006 with the second bevel gear 2007, when the second bevel gear 2007 rotates, the first bevel gear 2006 can be driven to rotate. By installing the first servo motor 2010, the first worm 2009 can be driven to rotate when the first servo motor 2010 is working. By sleeve-arranging the first worm wheel 2008 on one end of the second bevel gear 2007 and meshing it with the first worm 2009, the first servo motor 2010 can drive the second bevel gear 2007 to rotate, thereby The first bevel gear 2006 is rotated, thereby causing the first baffle 2002 to flip, making it convenient for the user to stand it up or lay it down on the bottom side of the hydraulic support 100. By rotating the connecting screw 2012 on the retaining frame 2001, it is convenient to thread it with the connecting block 2013. By threading the connecting block 2013 and the screw 2012, when the screw 2012 rotates, it can drive the slidingly connected second baffle 2003 to move up and down. By installing the second servo motor 2020, it can drive the screw 2012 to rotate when it is working.
[0039] Embodiment 3 of a hydraulic support rock retaining device of the utility model
[0040] Reference Figure 1-Figure 5As shown, a cavity 2016 is provided on one side of the second baffle 2003 located at the storage groove 2014, one end of the third baffle 2004 extends into the cavity 2016 and is sleeved with a second worm gear 2017, a third servo motor 2015 is embedded and installed on one side of the cavity 2016, and a second worm 2018 is sleeved on the output end of the third servo motor 2015, the second worm 2018 and the second worm gear 2017 are meshed with each other, and the second worm gear 2017 is sleeved on one end of the third baffle 2004 to facilitate transmission, and the third servo motor 2015 can be installed to drive the second worm 2018 to rotate when it is working, and the second worm 2018 is meshed with the second worm gear 2017, so that the third servo motor 2015 can drive the third baffle 2004 to flip.
[0041] Specifically, the working principle of the hydraulic support rock blocking device is as follows: when the hydraulic support 100 needs to be raised or lowered, the user starts the first servo motor 2010, so that when it works, the first worm 2009 drives the first worm wheel 2008 to rotate, and when the first worm wheel 2008 rotates, the second bevel gear 2007 rotates synchronously, and the second bevel gear 2007 is meshed with the first bevel gear 2006 sleeved on one end of the first baffle 2002, so that the first baffle 2002 is flipped and stands on the upper end of the hydraulic support 100, and then the user starts the second servo motor 220 to work. When this happens, the screw 2012 is driven to rotate, and the screw 2012 is threadedly connected to the connecting block 2013, thereby raising the second baffle 2003 that is slidingly connected to the inside of the first baffle 2002, thereby increasing the height of the first baffle 2002. Finally, the user starts the third servo motor 2015 to drive the second worm 2018 to rotate, and the second worm 2018 engages with the second worm gear 2017 sleeved on one end of the third baffle 2004, thereby turning the third baffle 2004 over to make it parallel to the ground, thereby further preventing the gangue from sliding down and causing harm to the staff inside the hydraulic support 100 when the hydraulic support 100 is raised or lowered.
[0042] It should be noted that in a hydraulic support rock retaining device, the specific models and specifications of the hydraulic support 100, the first servo motor 2010, the second servo motor 2020 and the third servo motor 2015 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.
[0043] In a hydraulic support rock retaining device, the power supply and principle of the hydraulic support 100, the first servo motor 2010, the second servo motor 2020 and the third servo motor 2015 are clear to those skilled in the art and will not be described in detail herein.
[0044] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A hydraulic support rock retaining device, characterized in that: The invention comprises a hydraulic support (100) and a rock-blocking mechanism (200), wherein the rock-blocking mechanism (200) comprises a mounting seat (2001), wherein the mounting seat (2001) is arranged on the bottom side of the hydraulic support (100), wherein a first baffle (2002) is rotatably connected inside the mounting seat (2001), wherein a second baffle (2003) is slidably mounted inside the first baffle (2002), wherein a receiving groove (2014) is provided on one side of the upper end of the second baffle (2003), wherein a third baffle (2004) is rotatably connected inside the receiving groove (2014), wherein observation ports (2005) are provided on both sides of the first baffle (2002), wherein a pair of the observation ports (2005) are located on the same horizontal line, and wherein tempered glass is installed inside each of the observation ports (2005).
2. A rock retaining device for a hydraulic support according to claim 1, characterized in that: A transmission cavity (2019) is provided on one side of the mounting seat (2001), one end of the first baffle (2002) extends into the interior of the transmission cavity (2019) and is sleeved with a first bevel gear (2006).
3. A rock retaining device for a hydraulic support according to claim 2, characterized in that: A second bevel gear (2007) is rotatably connected to one side of the interior of the transmission cavity (2019), and the second bevel gear (2007) and the first bevel gear (2006) are meshed with each other.
4. A rock retaining device for a hydraulic support according to claim 3, characterized in that: A first servo motor (2010) is fixedly mounted on the inner top of the transmission cavity (2019), and a first worm gear (2009) is sleeved on the output end of the first servo motor (2010).
5. A rock retaining device for a hydraulic support according to claim 4, characterized in that: A first worm gear (2008) is sleeved on one end of the second bevel gear (2007), and the first worm gear (2008) and the first worm (2009) are meshed with each other.
6. The rock retaining device of a hydraulic support according to claim 1, characterized in that: A retaining frame (2011) is installed on both sides of the inner bottom end of the first baffle (2002), and a screw rod (2012) is rotatably connected to the upper end of the retaining frame (2011).
7. A rock retaining device for a hydraulic support according to claim 6, characterized in that: Connecting blocks (2013) are installed on both sides of the inner bottom end of the second baffle (2003), and the screw rod (2012) is threadedly connected to the connecting blocks (2013).
8. A rock retaining device for a hydraulic support according to claim 7, characterized in that: A second servo motor (2020) is installed on both sides of the inner bottom end of the first baffle (2002), and the output end of the second servo motor (2020) is threadedly connected to the screw rod (2012).
9. The rock retaining device of a hydraulic support according to claim 1, characterized in that: The second baffle (2003) is provided with a cavity (2016) on one side of the storage groove (2014), and one end of the third baffle (2004) extends into the cavity (2016) and is sleeved with a second worm gear (2017).
10. A rock retaining device for a hydraulic support according to claim 9, characterized in that: A third servo motor (2015) is embedded and installed on one side of the cavity (2016); a second worm (2018) is sleeved on the output end of the third servo motor (2015); and the second worm (2018) and the second worm wheel (2017) are meshed with each other.