Supporting rack for hydropower station tunnel body

Abstract

The hydropower station tunnel body supporting rack comprises a main frame, hollow legs are fixedly connected to the four corners of the lower end of the main frame, a sliding column is slidably connected to the interior of each hollow leg, universal wheels are installed at the bottoms of the sliding columns, and a fixing plate is fixedly connected to the middle of the lower end of the main frame; a threaded shaft is installed in the middle of the lower end of the fixing plate through a bearing, a linkage plate is connected to the middle section of a shaft body of the threaded shaft through threads, a linkage block is fixedly connected to the side edge of the linkage plate, the linkage block is fixedly connected with the sliding column, and the linkage block penetrates through the hollow leg and is in sliding connection with the hollow leg. The invention relates to a hydropower station tunnel body supporting rack which has the advantages of being high in stability and convenient to use.

Description

Technical Field

[0001] The invention belongs to the technical field of stands, and in particular to a hydropower station cave support stand. Background Art

[0002] The hydropower station tunnel support stand is a device used to support and fix the tunnel support structure, usually made of steel. Its main function is to support the tunnel support structure, ensure the stability and safety of the support structure, and also play a role in reinforcing and fixing the support structure.

[0003] In the invention application patent with application publication number CN113006829A, a mobile adjustable reaction force temporary gantry support system and support method for tunnels are disclosed. The support system includes a support plate assembly whose outer surface is closely attached to the inner side of the initial support, a hydraulic jack arranged on the inner side of the support plate assembly to provide active support force, a high-pressure liquid pump station providing hydraulic power, a reaction arch arranged under the jack to bear the hydraulic reaction force, a bracket assembly supporting the reaction arch, a portal assembly arranged under the bracket assembly, a roller connected to the bottom of the portal assembly, and a trolley running track whose upper part contacts the roller and whose lower part is connected to the sleeper.

[0004] In order to be movable, the existing gantry is usually equipped with universal wheels that can be lifted and lowered. However, when the universal wheels are moving, the components that drive the lifting will bear a large weight, which is not stable enough. In addition, the components that drive the lifting will be worn out after repeated use, which affects the later use. Therefore, it is necessary to design a hydropower station cave support gantry. Summary of the invention

[0005] The purpose of the present invention is to provide a hydropower station cavern support stand in order to solve the above-mentioned problems, thereby solving the problems mentioned in the background technology.

[0006] In order to solve the above problems, the present invention provides a technical solution:

[0007] The support platform of the hydropower station cavern body comprises a main frame, the four corners of the lower end of the main frame are fixedly connected with hollow legs, each of the hollow legs is slidably connected with a sliding column, a universal wheel is installed at the bottom of the sliding column, a fixing plate is fixedly connected to the middle part of the lower end of the main frame, a threaded shaft is installed at the middle part of the lower end of the fixing plate through a bearing, a linkage plate is connected to the middle section of the shaft body of the threaded shaft through a thread, a linkage block is fixedly connected to the side of the linkage plate, the linkage block is fixedly connected to the sliding column, the linkage block passes through the hollow legs and is slidably connected to the hollow legs, an anti-fall protection mechanism is jointly arranged between the linkage plate and the fixed plate, a lubrication mechanism is arranged inside the linkage plate, a plurality of supporting legs are fixedly connected to the upper edge of the main frame, and the top of the supporting legs is fixedly connected to the top frame, two positioning seats are inserted inside the top frame, the tops of the two positioning seats are jointly fixedly connected with an arc support top, a disassembly and assembly mechanism is arranged inside the top frame, and the sides of the hollow legs and the supporting legs are fixedly connected with a tread frame.

[0008] Preferably, a rotating disk is fixedly connected to the bottom of the threaded shaft, and a rotating rod is fixedly connected to the bottom of the rotating disk. The arrangement of the rotating disk and the rotating rod facilitates the rotation of the threaded shaft.

[0009] Preferably, the anti-fall protection mechanism comprises a folding frame 1 and a folding frame 2, wherein the folding frame 1 and the folding frame 2 are hinged, the folding frame 1 is hinged to the bottom of the fixed plate, the folding frame 2 is hinged to the upper end of the linkage plate, the side of the folding frame 1 is fixedly connected with a locking block, the side of the folding frame 2 is fixedly connected with a locking sleeve, the inside of the locking sleeve is slidably connected with a locking pin, the locking pin is plugged with the locking block, the inner bottom of the locking sleeve is fixedly connected with a guide rod, the guide rod is slidably connected with the locking pin, a spring 1 is arranged on the inside of the locking pin, one end of the spring 1 is fixedly connected with the guide rod, the other end of the spring 1 is fixedly connected to the inner surface of the locking pin, a ball is arranged inside the locking pin, and the ball is slidably connected with the guide rod. Through the setting of the anti-fall protection mechanism, a supporting effect is provided for the adjusted sliding column and the hollow leg to prevent the threaded shaft from being subjected to excessive force.

[0010] Preferably, the middle section of the locking pin is fixedly connected to a lever, the lever penetrates the lock sleeve and is slidably connected to the lock sleeve, the middle section of the lever is fixedly connected to a magnetic ring, and the magnetic ring is attracted to the lock sleeve. The setting of the lever facilitates pulling the locking pin.

[0011] Preferably, the lubrication mechanism comprises a sponge block and a pressure plate slidably connected to the inside of the linkage plate, the sponge block and the pressure plate are in contact, a pressure rod is fixedly connected to the upper end of the pressure plate, the pressure rod penetrates the linkage plate and is slidably connected to the linkage plate, a button is fixedly connected to the top of the pressure rod, a corrugated sleeve is fixedly connected to the lower edge of the button, the corrugated sleeve is fixedly connected to the linkage plate, a spring 2 is sleeved on the lower section of the rod body of the pressure rod, one end of the spring 2 is fixedly connected to the pressure plate, the other end of the spring 2 is fixedly connected to the inner surface of the linkage plate, a guide column is fixedly connected to the inside of the linkage plate, the guide column penetrates the pressure plate and is slidably connected to the pressure plate. The pressure rod is pushed by the button, so that the pressure plate at the end of the pressure rod squeezes the sponge block, so that the lubricating oil stored in the sponge block can be released, thereby lubricating the threaded connection between the threaded shaft and the linkage plate, thereby ensuring smooth adjustment and easy use.

[0012] Preferably, a rubber plug is slidably connected to the upper end of the linkage plate, and an oil leakage hole is provided inside the linkage plate. After the rubber plug is removed, it is convenient to add lubricating oil into the linkage plate.

[0013] Preferably, the disassembly mechanism comprises a latch slidably connected to the interior of the top frame, one end of the latch is plugged into the positioning seat, the other end of the latch is fixedly connected to a connecting piece, the surface of the connecting piece is fixedly connected to a pull ring, the middle section of the pin body of the latch is fixedly connected to a retaining ring, and the retaining ring is slidably connected to the interior of the top frame, a spring 3 is sleeved on the outer side of the pin body of the latch, one end of the spring 3 is fixedly connected to the retaining ring, and the other end of the spring 3 is fixedly connected to the inner surface of the top frame. The connecting piece and the latch can be pulled horizontally by the pull ring, thereby separating the latch from the positioning seat on the top of the arc support.

[0014] Preferably, a magnetic block is fixedly connected to the inner surface of the top frame, and the magnetic block is attracted to the retaining ring. The magnetic block has a limiting effect on the retaining ring.

[0015] The beneficial effects of the present invention are as follows: the present invention relates to a hydropower station cavern support stand, which has the characteristics of high stability and convenient use. In specific use, compared with the prior art, it has the following two beneficial effects:

[0016] Firstly, four hollow legs are arranged at the bottom of the main frame of the platform, and sliding columns that can slide relatively are arranged in the hollow legs, and universal wheels are arranged at the bottom of the sliding columns, and then a combination of a threaded shaft and a linkage plate that are relatively threadedly connected is arranged at the bottom of the main frame, and the linkage plate is connected to each sliding column through a linkage block, so that the relative threaded movement between the threaded shaft and the linkage plate can make the whole body mobile. In addition, an anti-fall protection mechanism is arranged between the linkage plate and the fixed plate, and the column of the anti-fall protection mechanism is two foldable folding frames, which can support the linkage plate and the fixed plate to prevent the thread of the threaded shaft used for adjustment from being subjected to excessive force, thereby ensuring the stability of movement;

[0017] Secondly, a lubrication mechanism is arranged inside the linkage plate, wherein a cavity and an oil leakage hole are arranged inside the linkage plate, and then the pressure rod is pushed by a button so that the pressure plate at the end of the pressure rod squeezes the sponge block, so that the lubricating oil stored in the sponge block can be released, thereby lubricating the threaded connection between the threaded shaft and the linkage plate, thereby ensuring smooth adjustment and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A three-dimensional diagram of the local structure;

[0021] Figure 3 For the present invention Figure 1 A front cross-sectional view of

[0022] Figure 4 For the present invention Figure 3 A magnified view of the structure of part A;

[0023] Figure 5 For the present invention Figure 3 A magnified view of the structure of part B;

[0024] Figure 6 For the present invention Figure 3 Enlarged view of the C structure.

[0025] In the figure: 1, main frame; 2, hollow leg; 3, sliding column; 31, universal wheel; 4, fixed plate; 5, threaded shaft; 6, linkage plate; 7, linkage block; 8, anti-fall protection mechanism; 9, lubrication mechanism; 10, turntable; 11, turnbar; 12, support leg; 13, top frame; 14, positioning seat; 15, arc support top; 16, disassembly and assembly mechanism; 17, pedal frame; 81, folding frame one; 82, folding frame two; 83, locking block; 8 4. Lock sleeve; 85. Locking pin; 86. Guide rod; 87. Spring one; 88. Ball bearing; 89. Push rod; 810. Magnetic ring; 91. Sponge block; 92. Pressure plate; 93. Pressure rod; 94. Button; 95. Spring two; 96. Bellows; 97. Guide column; 98. Rubber plug; 99. Oil leakage hole; 161. Latch; 162. Connecting piece; 163. Pull ring; 164. Retaining ring; 165. Spring three; 166. Magnetic block. DETAILED DESCRIPTION

[0026] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions:

[0027] Example:

[0028] The hydropower station cave support stand comprises a main frame 1, wherein the four corners of the lower end of the main frame 1 are fixedly connected with hollow legs 2, each of the hollow legs 2 is slidably connected with a sliding column 3, a universal wheel 31 is installed at the bottom of the sliding column 3, a fixing plate 4 is fixedly connected with the middle part of the lower end of the main frame 1, a threaded shaft 5 is installed with a bearing at the middle part of the lower end of the fixing plate 4, a linkage plate 6 is threadedly connected to the middle section of the shaft body of the threaded shaft 5, a linkage block 7 is fixedly connected with the side of the linkage plate 6, the linkage block 7 is fixedly connected with the sliding column 3, the linkage block 7 penetrates the hollow leg 2 and is slidably connected with the hollow leg 2, a plurality of supporting legs 12 are fixedly connected with the upper edge of the main frame 1, and a top frame 13 is fixedly connected with the top of the supporting leg 12, two positioning seats 14 are inserted in the interior of the top frame 13, and a circular arc support top 15 is fixedly connected to the top of the two positioning seats 14, and a treading frame 17 is fixedly connected with the sides of the hollow leg 2 and the supporting leg 12. The bottom of the threaded shaft 5 is fixedly connected with a rotating disk 10, and the bottom of the rotating disk 10 is fixedly connected with a rotating rod 11. The arrangement of the rotating disk 10 and the rotating rod 11 facilitates the rotation of the threaded shaft 5.

[0029] Among them, an anti-fall protection mechanism 8 is commonly provided between the linkage plate 6 and the fixed plate 4, and the anti-fall protection mechanism 8 includes a folding frame 1 81 and a folding frame 2 82, and the folding frame 1 81 and the folding frame 2 82 are hinged, the folding frame 1 81 is hinged to the bottom of the fixed plate 4, and the folding frame 2 82 is hinged to the upper end of the linkage plate 6, and the side of the folding frame 1 81 is fixedly connected with a locking block 83, and the side of the folding frame 2 82 is fixedly connected with a locking sleeve 84, and the internal sliding of the locking sleeve 84 A locking pin 85 is connected, and the locking pin 85 is plugged with the locking block 83. A guide rod 86 is fixedly connected to the inner bottom of the locking sleeve 84, and the guide rod 86 is slidably connected to the locking pin 85. A spring 87 is arranged on the inner side of the locking pin 85, and one end of the spring 87 is fixedly connected to the guide rod 86, and the other end of the spring 87 is fixedly connected to the inner surface of the locking pin 85. A ball 88 is arranged inside the locking pin 85, and the ball 88 is slidably connected to the guide rod 86. Through the setting of the anti-fall protection mechanism 8, there is a supporting effect between the adjusted sliding column 3 and the hollow leg 2 to prevent the threaded shaft 5 from being subjected to excessive force. A lever 89 is fixedly connected to the middle section of the pin body of the locking pin 85, and the lever 89 passes through the locking sleeve 84 and is slidably connected to the locking sleeve 84. A magnetic ring 810 is fixedly connected to the middle section of the rod body of the lever 89, and the magnetic ring 810 is attracted to the locking sleeve 84. The arrangement of the shifting rod 89 facilitates pulling the locking pin 85 .

[0030] Among them, a lubrication mechanism 9 is provided inside the linkage plate 6, and the lubrication mechanism 9 includes a sponge block 91 and a pressure plate 92 which are slidably connected to the inside of the linkage plate 6, and the sponge block 91 is in contact with the pressure plate 92, and the upper end of the pressure plate 92 is fixedly connected with a pressure rod 93, and the pressure rod 93 passes through the linkage plate 6 and is slidably connected to the linkage plate 6, and the top of the pressure rod 93 is fixedly connected with a button 94, and the lower end edge of the button 94 is fixedly connected with a corrugated sleeve 96, and the corrugated sleeve 96 is fixedly connected to the linkage plate 6, and the lower section of the rod body of the pressure rod 93 is sleeved with a spring 2 95, one end of the spring 2 95 is fixedly connected to the pressure plate 92, and the other end of the spring 2 95 is fixedly connected to the inner surface of the linkage plate 6, and the inside of the linkage plate 6 is fixedly connected with a guide column 97, and the guide column 97 passes through the pressure plate 92 and is slidably connected to the pressure plate 92. Push the pressure rod 93 through the button 94, so that the pressure plate 92 at the end of the pressure rod 93 squeezes the sponge block 91, so that the lubricating oil stored in the sponge block 91 can be released, thereby lubricating the threaded connection between the threaded shaft 5 and the linkage plate 6, thereby ensuring smooth adjustment and convenient use. A rubber plug 98 is slidably connected to the upper end of the linkage plate 6, and an oil leakage hole 99 is opened inside the linkage plate 6. After removing the rubber plug 98, it is convenient to add lubricating oil to the linkage plate 6.

[0031] The top frame 13 is provided with a disassembly mechanism 16 inside. The disassembly mechanism 16 includes a latch 161 slidably connected to the top frame 13. One end of the latch 161 is plugged into the positioning seat 14. The other end of the latch 161 is fixedly connected to a connecting piece 162. The surface of the connecting piece 162 is fixedly connected to a pull ring 163. The middle section of the pin body of the latch 161 is fixedly connected to a retaining ring 164, and the retaining ring 164 is slidably connected to the top frame 13. The outer side of the pin body of the latch 161 is sleeved with a spring 3 165. One end of the spring 3 165 is fixedly connected to the retaining ring 164, and the other end of the spring 3 165 is fixedly connected to the inner surface of the top frame 13. The connecting piece 162 and the latch can be pulled horizontally by the pull ring 163, so that the latch 161 can be separated from the positioning seat 14 on the arc support top 15. The inner surface of the top frame 13 is fixedly connected with a magnetic block 166, and the magnetic block 166 is attracted to the retaining ring 164. The magnetic block 166 has a limiting effect on the retaining ring 164.

[0032] The use state of the present invention is as follows: when in use, the threaded shaft 5 is first driven to rotate by the rotating rod 11 and the rotating disk 10, and the linkage plate 6 moves downward in the axial direction of the threaded shaft 5 through the threaded movement between the threaded shaft 5, and then the linkage plate 6 drives each sliding column 3 to slide in the hollow leg 2 through each linkage block 7, until the universal wheel 31 at the bottom of the sliding column 3 hits the ground, and relatively, the whole is lifted up, so as to have mobility, and in the process of the linkage plate 6 moving downward, the folding frame 1 81 and the folding frame 2 82 are opened, and the locking pin 85 is controlled by the lever 89 to be inserted into the locking block 83 on the folding frame 1 81, so that the linkage plate 6 can be effectively supported to prevent the thread of the threaded shaft 5 used for adjustment from being subjected to excessive force, thereby ensuring the stability of movement, and then the whole is pushed into the hole for use;

[0033] In addition, by pushing the pressure rod 93 through the button 94, the pressure plate 92 at the end of the pressure rod 93 squeezes the sponge block 91, so that the lubricating oil stored in the sponge block 91 can be released, thereby lubricating the threaded connection between the threaded shaft 5 and the linkage plate 6, thereby ensuring smooth adjustment and easy use.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hydropower station cavern support frame, comprising a main frame (1), Features: The four corners of the lower end of the main frame (1) are fixedly connected to hollow legs (2), and each of the hollow legs (2) is slidably connected to a sliding column (3). A universal wheel (31) is installed at the bottom of the sliding column (3). A fixed plate (4) is fixedly connected to the middle of the lower end of the main frame (1). A threaded shaft (5) is installed at the middle of the lower end of the fixing plate (4) through a bearing. The middle section of the shaft body of the threaded shaft (5) is connected to a linkage plate (6) through a thread. A linkage block (7) is fixedly connected to the side of the linkage plate (6). The linkage block (7) is fixedly connected to the sliding column (3). The linkage block (7) passes through the hollow leg (2) and is slidably connected to the hollow leg (2). An anti-fall protection mechanism (8) is commonly provided between the linkage plate (6) and the fixed plate (4), a lubrication mechanism (9) is provided inside the linkage plate (6), a plurality of support legs (12) are fixedly connected to the upper edge of the main frame (1), and the top of the support leg (12) is fixedly connected to a top frame (13), two positioning seats (14) are inserted inside the top frame (13), and the tops of the two positioning seats (14) are commonly fixedly connected to an arc support top (15), a disassembly mechanism (16) is provided inside the top frame (13), and the sides of the hollow legs (2) and the support legs (12) are fixedly connected to a pedal frame (17).

2. The hydropower station cavern support stand according to claim 1, Features: A rotating disk (10) is fixedly connected to the bottom of the threaded shaft (5), and a rotating rod (11) is fixedly connected to the bottom of the rotating disk (10).

3. The hydropower station cavern support stand according to claim 1, Features: The anti-fall protection mechanism (8) comprises a folding frame 1 (81) and a folding frame 2 (82), wherein the folding frame 1 (81) and the folding frame 2 (82) are hinged, the folding frame 1 (81) is hinged to the bottom of the fixed plate (4), the folding frame 2 (82) is hinged to the upper end of the linkage plate (6), a locking block (83) is fixedly connected to the side of the folding frame 1 (81), a locking sleeve (84) is fixedly connected to the side of the folding frame 2 (82), a locking pin (85) is slidably connected to the inside of the locking sleeve (84), and the locking pin (85) is fixedly connected to the side of the folding frame 1 (81). The locking pin (85) is inserted into the locking block (83), the inner bottom of the locking sleeve (84) is fixedly connected with a guide rod (86), the guide rod (86) is slidably connected with the locking pin (85), a spring (87) is arranged on the inner side of the locking pin (85), one end of the spring (87) is fixedly connected with the guide rod (86), the other end of the spring (87) is fixedly connected to the inner surface of the locking pin (85), a ball (88) is arranged inside the locking pin (85), and the ball (88) is slidably connected with the guide rod (86).

4. The hydropower station cavern support stand according to claim 3, Features: The middle section of the pin body of the locking pin (85) is fixedly connected to a lever (89), the lever (89) penetrates the lock sleeve (84) and is slidably connected to the lock sleeve (84), the middle section of the rod body of the lever (89) is fixedly connected to a magnetic ring (810), and the magnetic ring (810) is attracted to the lock sleeve (84).

5. The hydropower station cavern support stand according to claim 1, Features: The lubricating mechanism (9) comprises a sponge block (91) and a pressure plate (92) which are slidably connected to the inside of the linkage plate (6); the sponge block (91) and the pressure plate (92) are in contact with each other; a pressure rod (93) is fixedly connected to the upper end of the pressure plate (92); the pressure rod (93) passes through the linkage plate (6) and is slidably connected to the linkage plate (6); a button (94) is fixedly connected to the top of the pressure rod (93); and a corrugated sleeve is fixedly connected to the lower edge of the button (94). (96), the corrugated sleeve (96) is fixedly connected to the linkage plate (6), the lower section of the rod body of the pressure rod (93) is sleeved with a spring 2 (95), one end of the spring 2 (95) is fixedly connected to the pressure plate (92), the other end of the spring 2 (95) is fixedly connected to the inner surface of the linkage plate (6), the interior of the linkage plate (6) is fixedly connected with a guide column (97), the guide column (97) passes through the pressure plate (92) and is slidably connected to the pressure plate (92).

6. The hydropower station cavern support stand according to claim 5, Features: A rubber plug (98) is slidably connected to the interior of the upper end of the linkage plate (6), and an oil leakage hole (99) is provided inside the linkage plate (6).

7. The hydropower station cavern support stand according to claim 1, Features: The disassembly and assembly mechanism (16) comprises a latch (161) slidably connected to the interior of the top frame (13); one end of the latch (161) is plugged into the positioning seat (14); the other end of the latch (161) is fixedly connected to a connecting piece (162); the surface of the connecting piece (162) is fixedly connected to a pull ring (163); the middle section of the pin body of the latch (161) is fixedly connected to a retaining ring (164); and the retaining ring (164) is slidably connected to the interior of the top frame (13); a spring three (165) is sleeved on the outer side of the pin body of the latch (161); one end of the spring three (165) is fixedly connected to the retaining ring (164); and the other end of the spring three (165) is fixedly connected to the inner surface of the top frame (13).

8. The hydropower station cavern support stand according to claim 7, Features: A magnetic block (166) is fixedly connected to the inner surface of the top frame (13), and the magnetic block (166) is attracted to the retaining ring (164).

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