Tray with four raised corners

Abstract

The utility model relates to the technical field of coal mine underground supporting, in particular to a tray with four protruding corners. Comprising a tray body, a through hole is formed in the surface of the tray body, a supporting rod slidably penetrates through the inner wall of the through hole, an adjusting device is arranged on the surface of the tray body and comprises four fixing frames, the bottom ends of the four fixing frames are fixedly connected with the tray body, and the four fixing frames are distributed in a rectangular shape; rotating plates are rotatably connected to the inner walls of the fixing frames, fixing rings are slidably connected to the arc surfaces of the supporting rods, positioning frames are fixedly connected to the positions, corresponding to the rotating plates, of the arc surfaces of the fixing rings, moving rods slidably penetrate through the two sides of the positioning frames, and one ends of the moving rods are connected with the upper ends of the rotating plates in an inserted mode; the arc surfaces of the moving rods are sleeved with springs. The tray with the four protruding corners has the advantage that the whole supporting tray can be conveniently supported, protected and used.

Description

Technical Field

[0001] The utility model relates to the technical field of underground coal mine support, in particular to a tray with raised four corners. Background Art

[0002] Most of the pallets used in mines are metal pallets. In solving the problem of mine tunnel roof support, most of the support methods adopted are anchor support systems, which are more common in daily life.

[0003] Prior art includes a utility model with a publication number of CN207194930U, which discloses a mining pallet support device, comprising a device body, the device body comprising a nested rod, the inner cavity of the nested rod being threadedly connected to a threaded rod, the outer wall of the nested rod being provided with an epoxy resin layer, and the epoxy resin layer being tightly fitted and fixed to the nested rod, the outer wall of the epoxy resin layer being evenly provided with a plurality of fluorescent sticks, and the fluorescent sticks being embedded in the epoxy resin layer and bonded to the epoxy resin layer by strong glue. This mining pallet support device, on the basis of traditional mining pallet support equipment, has an epoxy resin layer on the outer surface of the nested rod, thereby avoiding safety accidents caused by corrosion of the nested rod in the mine tunnel, and the epoxy resin layer also has a pressure-resistant effect, which can assist the nested rod in playing a supporting role, and at the same time, a plurality of fluorescent sticks are provided on the outer surface of the nested rod.

[0004] The inventor discovered in daily life that when working underground in a coal mine, a support tray is needed for support and positioning. At this time, in order to facilitate the use of the support tray and the support rod for support and positioning, and to avoid position offset between the support rod and the support tray, the entire support tray may not be able to be used conveniently for support and protection. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that when working underground in a coal mine, a support tray needs to be used for support and positioning. At this time, in order to facilitate the use of the support tray and the support rod for support and positioning, in order to avoid position offset between the support rod and the support tray, the entire support tray cannot be used for convenient support and protection.

[0006] In order to solve the above technical problems, the utility model provides a tray with raised corners, including: a tray body, a through hole is opened on the surface of the tray body, a support rod is slidably penetrated by the inner wall of the through hole, an adjustment device is provided on the surface of the tray body, and the adjustment device includes four fixing frames, the bottom ends of the four fixing frames are fixedly connected to the tray body, the four fixing frames are distributed in a rectangular shape, the inner walls of the fixing frames are rotatably connected with a rotating plate, the arc surface of the support rod is slidably connected with a fixing ring, the arc surface of the fixing ring corresponding to the rotating plate is fixedly connected with a positioning frame, both sides of the positioning frame are slidably penetrated by a moving rod, one end of the moving rod is plugged into the upper end of the rotating plate, the arc surface of the moving rod is covered with a spring, and the two ends of the spring are respectively fixedly connected to the moving rod and the positioning frame.

[0007] The effect achieved by the above-mentioned components is: when working underground in a coal mine, a support tray is required for support and limitation. At this time, in order to facilitate the use of the support tray and the support rod for support and limitation, and to avoid positional offset between the support rod and the support tray, which in turn causes the entire support tray to be unable to be used for convenient support and protection, the fixed frame on the surface of the tray body is used to drive the rotating plate to adjust the position deflection, and then the fixed ring and the support rod are sleeved to allow the positioning frame fixed on the surface of the fixed ring to abut against the rotating plate, so that the moving rod is plugged in and limited to the positioning frame and the rotating plate, and the spring sleeved on the arc surface of the moving rod can use the tension generated by the spring to stretch and limit the position of the moving rod, thereby preventing the moving rod from falling off.

[0008] Preferably, an insert block is fixedly connected to one end of the moving rod close to the rotating plate, and the cross section of the insert block is in a pointed cone shape.

[0009] The effect achieved by the above components is that when the moving rod is plugged into the positioning frame and the rotating plate, the pointed cone-shaped plugging block on the moving rod can be effectively and conveniently operated.

[0010] Preferably, one end of the moving rod away from the rotating plate is rotatably connected to an auxiliary ring, and the auxiliary ring is a hard alloy ring.

[0011] The effect achieved by the above components is that when the position of the moving rod is adjusted, the auxiliary ring on the moving rod can be used to conveniently move it.

[0012] Preferably, an inner sleeve is fixedly connected to the inner wall of the fixing ring, and the inner sleeve is a rubber sleeve.

[0013] The effect achieved by the above components is: when the fixing ring and the support rod are used for limiting, in order to prevent the fixing ring from falling off, the inner sleeve made of rubber material fixed in the fixing ring can increase friction and facilitate better support.

[0014] Preferably, an auxiliary device is provided on the bottom surface of the tray body, and the auxiliary device includes a fixed block. The cross-section of the fixed block is in the shape of a U-shaped character, and the fixed block is fixedly connected to the bottom surface of the tray body. A connecting groove is provided on the surface of the fixed block, and a plurality of tension springs are fixedly connected to the inner wall of the connecting groove. One end of the plurality of tension springs is fixedly connected to the same extrusion frame, and the cross-sectional size of the extrusion frame is adapted to the cross-sectional size of the fixed block.

[0015] The effect achieved by the above-mentioned components is: when the pallet body is used to support and limit the rock strata under the coal mine, in order to avoid direct collision and extrusion on the bottom surface of the pallet body, thereby causing the entire pallet body to deform, the fixed block at the bottom end of the pallet body is used to allow the pressure generated by the tension spring on the fixed block to limit the position of the extrusion frame, thereby effectively and conveniently avoiding direct extrusion between the pallet body and the rock strata.

[0016] Preferably, the inner walls of the tension springs are slidably connected with telescopic rods, and both ends of the telescopic rods are fixedly connected to the extrusion frame and the fixing block respectively.

[0017] The effect achieved by the above components is that when the tension spring is used, the telescopic rod sliding on the inner wall of the tension spring can protect the tension spring to prevent the tension spring from being deformed.

[0018] Preferably, a protective pad is fixedly connected to the bottom surface of the extrusion frame, and the surface of the protective pad is provided with anti-slip patterns for increasing friction.

[0019] The effect achieved by the above components is that the protective pad fixed on the bottom surface of the extrusion frame can increase friction, which is convenient for better supporting protection.

[0020] Compared with the related art, the four-corner raised tray provided by the utility model has the following beneficial effects:

[0021] The utility model provides a pallet with raised corners. When working in coal mines, it is necessary to use the support pallet for support and limitation. At this time, in order to facilitate the use of the support pallet and the support rod for support and limitation, in order to avoid the position offset between the support rod and the support pallet, which will cause the entire support pallet to be unable to be used for convenient support and protection, at this time, the fixed frame on the surface of the pallet body is used to drive the rotating plate to adjust the position deflection, and then the fixed ring and the support rod are sleeved, so that the positioning frame fixed on the surface of the fixed ring is abutted against the rotating plate, so that the moving rod and the positioning frame and the rotating plate are plugged and fixed, and the spring on the circular arc surface of the moving rod can use the tension generated by the spring to stretch and limit the position of the moving rod, so as to avoid the moving rod from falling off. When the positioning frame and the rotating plate are plugged in, the pointed cone-shaped plug block on the moving rod can be used effectively and conveniently for operation. When the position of the moving rod is adjusted, the auxiliary ring on the moving rod can be used for convenient movement. When the fixing ring and the support rod are used for limiting, in order to prevent the fixing ring from falling off, the rubber inner sleeve fixed in the fixing ring can increase the friction for better support. By operating the adjusting device, the fixing ring and the support rod are sleeved, so that the positioning frame fixed on the surface of the fixing ring is in contact with the rotating plate, so that the moving rod is plugged in and limited and fixed with the positioning frame and the rotating plate. The spring sleeved on the arc surface of the moving rod can use the tension generated by the spring to stretch and limit the position of the moving rod, thereby preventing the moving rod from falling off.

[0022] When the pallet body is used to support and limit the rock strata in the coal mine, in order to avoid direct collision and extrusion on the bottom surface of the pallet body, which may cause deformation of the entire pallet body, the fixed block at the bottom end of the pallet body is used to allow the pressure generated by the tension spring on the fixed block to limit the position of the extrusion frame, thereby effectively and conveniently avoiding direct extrusion between the pallet body and the rock stratum. When the tension spring is used, the telescopic rod sliding on the inner wall of the tension spring can be used to protect the tension spring to prevent deformation of the tension spring. The protective pad fixed on the bottom surface of the extrusion frame can increase friction for better support and protection. By operating the auxiliary device, the fixed block at the bottom end of the pallet body is operated, so that the pressure generated by the tension spring on the fixed block limits the position of the extrusion frame, thereby effectively and conveniently avoiding direct extrusion between the pallet body and the rock stratum. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a tray with raised four corners provided by the utility model;

[0024] Figure 2 for Figure 1 A bottom view schematic diagram of the three-dimensional structure shown;

[0025] Figure 3 for Figure 1 The structural schematic diagram of the regulating device shown;

[0026] Figure 4 for Figure 3 The schematic diagram of the split structure of the regulating device shown;

[0027] Figure 5 for Figure 2 Schematic diagram of the disassembled structure of the auxiliary device shown.

[0028] Numbers in the figure: 1. tray body; 2. support rod; 3. through hole; 4. adjusting device; 41. fixing frame; 42. rotating plate; 43. fixing ring; 44. inner sleeve; 45. positioning frame; 46. moving rod; 47. spring; 48. plug-in block; 49. auxiliary ring; 5. auxiliary device; 51. fixing block; 52. telescopic rod; 53. tension spring; 54. protective pad; 55. extrusion frame; 56. connecting groove. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0031] See also Figures 1 to 5 The utility model provides a tray with raised corners, comprising: a tray body 1, a through hole 3 is provided on the surface of the tray body 1, a support rod 2 is slidably penetrated through the inner wall of the through hole 3, an adjustment device 4 is provided on the surface of the tray body 1, and an auxiliary device 5 is provided on the bottom surface of the tray body 1.

[0032] In the embodiments of the present invention, please refer to Figure 3 and Figure 4, the adjusting device 4 includes four fixing frames 41. The bottom ends of the four fixing frames 41 are fixedly connected to the tray body 1. The four fixing frames 41 are distributed in a rectangle. The inner walls of the fixing frames 41 are rotatably connected with rotating plates 42. A fixing ring 43 is slidably connected to the arc surface of the support rod 2. Positioning frames 45 are fixedly connected to the positions of the arc surface of the fixing ring 43 corresponding to the rotating plates 42. Moving rods 46 are slidably penetrated through both sides of the positioning frame 45. One end of the moving rod 46 is inserted into the upper end of the rotating plate 42. Springs 47 are sleeved on the arc surfaces of the moving rods 46. The two ends of the springs 47 are respectively fixedly connected to the moving rods 46 and the positioning frames 45. A plug 48 is fixedly connected to the end of the moving rod 46 close to the rotating plate 42. The cross-section of the plug 48 is in a tapered shape. An auxiliary ring 49 is rotatably connected to the end of the moving rod 46 away from the rotating plate 42. The auxiliary ring 49 is a cemented carbide ring. A lining sleeve 44 is fixedly connected to the inner wall of the fixing ring 43. The lining sleeve 44 is a rubber sleeve;

[0033] In an embodiment of the present invention, please refer to Figure 5 , the auxiliary device 5 includes a fixing block 51. The cross-section of the fixing block 51 is in a shape of a Chinese character 'hui'. The fixing block 51 is fixedly connected to the bottom surface of the tray body 1. A connecting groove 56 is formed on the surface of the fixing block 51. A plurality of tension springs 53 are fixedly connected to the inner wall of the connecting groove 56. One ends of the plurality of tension springs 53 are fixedly connected to the same extrusion frame 55. The cross-sectional size of the extrusion frame 55 is adapted to the cross-sectional size of the fixing block 51. The inner walls of the tension springs 53 are slidably connected with telescopic rods 52. The two ends of the telescopic rods 52 are respectively fixedly connected to the extrusion frame 55 and the fixing block 51. A protective pad 54 is fixedly connected to the bottom surface of the extrusion frame 55. Anti-slip patterns are formed on the surface of the protective pad 54;

[0034] The working principle of a four-corner raised tray provided by the utility model is as follows: when working underground in a coal mine, it is necessary to use a support tray for support and limitation. At this time, in order to facilitate the use of the support tray and the support rod 2 for support and limitation, in order to avoid the position offset between the support rod 2 and the support tray, which will cause the entire support tray to be unable to be used for convenient support and protection, at this time, the fixed frame 41 on the surface of the tray body 1 is used to drive the rotating plate 42 to adjust the position deflection, and then the fixed ring 43 and the support rod 2 are sleeved, so that the positioning frame 45 fixed on the surface of the fixed ring 43 is abutted against the rotating plate 42, so that the moving rod 46 is plugged and limited with the positioning frame 45 and the rotating plate 42, and the spring 47 on the arc surface of the moving rod 46 can use the tension generated by the spring 47 to stretch and limit the position of the moving rod 46, thereby preventing the moving rod 46 from falling off. When the movable rod 46 is inserted into the rotating plate 42, the pointed cone-shaped plug block 48 on the movable rod 46 can be effectively and conveniently operated. When the position of the movable rod 46 is adjusted, the auxiliary ring 49 on the movable rod 46 can be conveniently moved and used. When the fixing ring 43 and the support rod 2 are limited, in order to prevent the fixing ring 43 from falling off, the rubber inner bushing 44 fixed in the fixing ring 43 can increase the friction, which is convenient for better support. By operating the adjusting device 4, the fixing ring 43 and the support rod 2 are sleeved, and the positioning frame 45 fixed on the surface of the fixing ring 43 is abutted against the rotating plate 42, so that the movable rod 46, the positioning frame 45 and the rotating plate 42 are inserted and fixed, and the spring 47 on the arc surface of the movable rod 46 can use the tension generated by the spring 47 to stretch and limit the position of the movable rod 46, thereby preventing the movable rod 46 from falling off.

[0035] When the tray body 1 is used to support and limit the rock strata in the coal mine, in order to avoid direct collision and extrusion of the bottom surface of the tray body 1, thereby causing the entire tray body 1 to deform, the fixed block 51 at the bottom end of the tray body 1 is used, and the pressure generated by the tension spring 53 on the fixed block 51 limits the position of the extrusion frame 55, thereby effectively and conveniently avoiding direct extrusion between the tray body 1 and the rock stratum. When the tension spring 53 is used, the telescopic rod 52 sliding on the inner wall of the tension spring 53 can protect the tension spring 53 to prevent the tension spring 53 from deforming. The protective pad 54 fixed to the bottom surface of the extrusion frame 55 can increase friction, which is convenient for better support and protection. By operating the auxiliary device 5, the fixed block 51 at the bottom end of the tray body 1 is operated, so that the pressure generated by the tension spring 53 on the fixed block 51 limits the position of the extrusion frame 55, thereby effectively and conveniently avoiding direct extrusion between the tray body 1 and the rock stratum.

[0036] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tray with raised corners, characterized in that: include: A tray body (1), wherein a through hole (3) is formed on the surface of the tray body (1), a support rod (2) is slidably penetrated through the inner wall of the through hole (3), an adjustment device (4) is provided on the surface of the tray body (1), the adjustment device (4) comprises four fixing frames (41), the bottom ends of the four fixing frames (41) are fixedly connected to the tray body (1), the four fixing frames (41) are distributed in a rectangular shape, the inner walls of the fixing frames (41) are rotatably connected to a rotating plate (42), and the support rod (2) is slidably penetrated through the inner wall of the through hole (3), and an adjustment device (4) is provided on the surface of the tray body (1), the adjustment device (4) comprises four fixing frames (41), the bottom ends of the four fixing frames (41) are fixedly connected to the tray body (1), the four fixing frames (41) are distributed in a rectangular shape, the inner walls of the fixing frames (41) are rotatably connected to a rotating plate (42), and the The arc surface of the support rod (2) is slidably connected to a fixing ring (43), and the arc surface of the fixing ring (43) is fixedly connected to a positioning frame (45) at a position corresponding to the rotating plate (42). Both sides of the positioning frame (45) are slidably penetrated by a moving rod (46), one end of the moving rod (46) is plugged into the upper end of the rotating plate (42), and the arc surface of the moving rod (46) is sleeved with a spring (47), and the two ends of the spring (47) are respectively fixedly connected to the moving rod (46) and the positioning frame (45).

2. A tray with raised corners according to claim 1, characterized in that: An insert block (48) is fixedly connected to one end of the moving rod (46) close to the rotating plate (42), and the cross section of the insert block (48) is in the shape of a pointed cone.

3. A tray with raised corners according to claim 1, characterized in that: One end of the moving rod (46) away from the rotating plate (42) is rotatably connected to an auxiliary ring (49), and the auxiliary ring (49) is a hard alloy ring.

4. A tray with raised corners according to claim 1, characterized in that: An inner sleeve (44) is fixedly connected to the inner wall of the fixing ring (43), and the inner sleeve (44) is a rubber sleeve.

5. A tray with raised corners according to claim 1, characterized in that: The bottom surface of the tray body (1) is provided with an auxiliary device (5), the auxiliary device (5) comprising a fixed block (51), the cross section of the fixed block (51) being in the shape of a Chinese character “Yu”, the fixed block (51) being fixedly connected to the bottom surface of the tray body (1), a connection groove (56) being provided on the surface of the fixed block (51), a plurality of tension springs (53) being fixedly connected to the inner wall of the connection groove (56), one end of the plurality of tension springs (53) being fixedly connected to the same extrusion frame (55), the cross-sectional dimensions of the extrusion frame (55) being adapted to the cross-sectional dimensions of the fixed block (51).

6. A tray with raised corners according to claim 5, characterized in that: The inner wall of the tension spring (53) is slidably connected to a telescopic rod (52), and the two ends of the telescopic rod (52) are respectively fixedly connected to the extrusion frame (55) and the fixed block (51).

7. A tray with raised corners according to claim 5, characterized in that: The bottom surface of the extrusion frame (55) is fixedly connected to a protective pad (54), and the surface of the protective pad (54) is provided with anti-slip patterns for increasing friction.

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