Auxiliary tool placing device for petroleum drilling and production

Abstract

The utility model discloses an auxiliary tool placing device for petroleum drilling and production, and relates to the technical field of petroleum drilling and production, a box body assembly comprises a placing box, a door body is hinged to one side of the placing box, moving parts are arranged at the four corners of the bottom of the placing box, the placing frame assembly is arranged in an inner cavity of the placing box, and the placing frame assembly comprises a supporting plate. The supporting plate is installed in an inner cavity of the containing box, a connecting piece is arranged between the supporting plate and the containing box, and a locking piece is arranged between the connecting piece and the containing box. Through cooperative arrangement of the first placement seat, the second placement seat and the third placement seat, rod-shaped tools can be conveniently placed through the first placement seat, drill bit tools can be conveniently placed through the second placement seat, instrument tools can be conveniently placed through the third placement seat, and the tool placement efficiency is improved. And tools of different specifications can be placed in a classified mode through the device, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drilling, in particular to a tool placement device for oil drilling auxiliary. Background Art

[0002] Oil extraction refers to the act of digging and extracting oil from a place where oil is stored. In the process of oil extraction, oil and gas flow from the reservoir to the bottom of the well, and then rise from the bottom of the well to the wellhead. In the process of oil drilling, wellhead devices, well control equipment and other equipment are needed. In addition, various auxiliary tools are often used in conjunction with the above equipment or for maintenance. After use, tool placement devices are needed to store the tools.

[0003] The Chinese utility model patent announcement number CN216166268U discloses a tool placement device for auxiliary oil drilling, including a cabinet and three drawers, the cabinet including a front panel, a first side panel and a second side panel, the drawers are slidably connected to the relative inner sides of the cabinet, and the three drawers slide out from the pull-out openings opened in the front panel, the first side panel and the second side panel respectively, and a number of tiger-mouth-shaped placement pieces for placing tools are arranged in the three drawers, and supporting feet are arranged at the two inner corners of the bottom of the drawer, and a first supporting wheel is rotatably arranged at the bottom of the supporting feet. The utility model summarizes and places tools of different sizes, and the corresponding tools to be used can be easily and quickly found. The placement pieces in the above device have uniform specifications and are all arranged in a tiger-mouth shape, so that the device is only suitable for placing rod-shaped tools. When other types of tools need to be placed, the tiger-mouth-shaped placement pieces cannot be used, thereby reducing the universality of the device. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a tool placement device for auxiliary oil drilling, which can solve the problem that the placement pieces in the existing devices have uniform specifications and are all set in a tiger's mouth shape, so that the device is only suitable for placing rod-shaped tools. When other types of tools need to be placed, the tiger's mouth-shaped placement pieces cannot be used, thereby reducing the universality of the device.

[0006] In order to solve the above technical problems, the utility model provides a device for placing auxiliary tools for oil drilling, which adopts the following technical solutions: a box assembly, which includes a placing box, one side of which is hinged with a door body, and moving parts are arranged at the four corners of the bottom of the placing box;

[0007] A placement rack assembly, the placement rack assembly is arranged in the inner cavity of the placement box, and includes a support plate, the support plate is installed in the inner cavity of the placement box, a connecting piece is arranged between the support plate and the placement box, a locking piece is arranged between the connecting piece and the placement box, a first placement seat is arranged at the top of both sides of the support plate, a second placement seat is arranged at the middle position of both sides of the support plate, and a third placement seat is arranged at the bottom of both sides of the support plate.

[0008] By adopting the above technical solution, the solution unlocks the fixing effect of the connecting part through the locking part, and the staff pulls the support plate to move outward, which is convenient for pulling the support plate out of the placement box. Rod-shaped tools can be placed on the first placement seat, drill tools can be placed on the second placement seat, and instrument tools can be placed on the third placement seat, so that the device can place different types of tools separately, which is convenient for later search.

[0009] Optionally, the movable part includes four groups of mounting seats, which are respectively installed at the four corners of the bottom of the placement box, the inner top walls of the four groups of mounting seats are all equipped with first electric push rods, and the output ends of the four groups of the first electric push rods are all equipped with universal wheels.

[0010] By adopting the above technical solution, when the first electric push rod is extended to drive the universal wheel to move downward until the universal wheel extends out of the mounting seat, the device can be moved conveniently. When the universal wheel is retracted into the mounting seat, the device can be fixed, thereby improving the practicality of the device.

[0011] Optionally, an observation window is installed on the surface of the door body.

[0012] By adopting the above technical solution, it is convenient for the staff to observe the placement position of the tools inside the placement box through the observation window.

[0013] Optionally, a handle is connected to the front side of the support plate, and a rubber sleeve is sleeved on the outer wall of the handle.

[0014] By adopting the above technical solution, the setting of the handle makes it convenient for the staff to hold the handle and pull the support plate to move. The setting of the rubber sleeve increases the friction between the staff's hand and the handle, and minimizes the phenomenon of hand slipping during the hand pulling process.

[0015] Optionally, the connecting member includes two groups of connecting grooves, which are respectively installed at the top and bottom of the inner cavity of the placement box, and the top and bottom of the support plate are connected to connecting blocks, and the connecting grooves are slidably connected to the connecting blocks.

[0016] By adopting the above technical solution, the connecting groove body and the connecting block are slidably matched, so that the support plate can be easily slid out of the inner cavity of the placement box, thereby making it convenient for the staff to take the tools.

[0017] Optionally, the locking member includes two groups of second electric push rods, which are respectively installed at the top and bottom of the inner cavity of the placement box, and the output ends of the two groups of second electric push rods are installed with slides, and the two groups of slides are connected to the side of the connecting groove body close to the connecting groove body, and the right sides of the two groups of connecting blocks are provided with slots that are equidistantly spaced to cooperate with the plug-in rods.

[0018] By adopting the above technical solution, when the connecting block needs to be fixed, the second electric push rod is controlled to extend. When the second electric push rod is extended, it drives the slide plate to move to the left. When the slide plate moves to the left, it drives the insertion rod to move to the left until the insertion rod is inserted into the slot. The connecting block can be locked and fixed to avoid sliding of the connecting block as much as possible.

[0019] Optionally, pulleys are installed at one end of the two groups of slides away from the support plate, and sliding grooves are opened at the top and bottom of the inner cavity of the placement box, and the sliding grooves are slidably connected to the pulleys.

[0020] By adopting the above technical solution, when the skateboard moves, it can drive the pulley to slide in the inner cavity of the slide groove, so that the skateboard moves more smoothly.

[0021] Optionally, the first placement seat includes a first U-shaped frame, which is installed on the top of both sides of the support plate, and the inner cavity of the first U-shaped frame is installed with a groove body, the right side wall of the inner cavity of the groove body is connected to a first spring, and the first spring is connected to a positioning plate on one side close to the center of the groove body.

[0022] By adopting the above technical solution, the rod-shaped tool is placed in the groove body, the rod-shaped tool squeezes the fixed block, and the fixed block is tightly attached to one side of the rod-shaped tool under the elastic force of the fixed rod, which is convenient for clamping rod-shaped tools of different specifications.

[0023] Optionally, the second placement seat includes a second U-shaped frame, the second U-shaped frame is installed at the center of both sides of the support plate, a mounting plate is installed in the inner cavity of the second U-shaped frame, a fixing rod is installed at the center of the top of the mounting plate, fixing blocks are installed at both ends of the top of the mounting plate, a movable plate is hinged on the top of the fixing block, and a second spring is connected between the end of the movable plate away from the fixing rod and the mounting plate.

[0024] By adopting the above technical solution, one end of the drill bit is sleeved with the fixed rod, the side wall of the drill bit squeezes the movable plate, and the movable plate is tightly attached to the side wall of the drill bit under the elastic force of the second spring, thereby fixing the drill bit in the second U-shaped frame, which is convenient for clamping drill bits of different specifications.

[0025] Optionally, the third placement seat includes a third U-shaped frame, which is installed at the bottom of both sides of the support plate, and the inner cavity of the third U-shaped frame is installed with a bearing seat, both sides of the inner cavity of the bearing seat are connected with third springs, and a splint is installed on one side of the third spring close to the center of the third U-shaped frame.

[0026] By adopting the above technical solution, the distance between the clamping plates can be adjusted through the elastic force of the third spring, so that instrument tools of different specifications can be fixed and clamped.

[0027] In summary, the present invention has at least one of the following beneficial effects:

[0028] (1) Through the coordinated arrangement of the first placement seat, the second placement seat and the third placement seat, the first placement seat is convenient for placing rod-shaped tools, the second placement seat is convenient for placing drill-type tools, and the third placement seat is convenient for placing instrument-type tools. This enables the device to classify and place tools of different specifications, thereby improving the universality of the device.

[0029] (2) Through the coordinated arrangement of the support plate, the connecting piece and the locking piece, it is convenient to take the support plate out of the storage box through the connecting piece, thereby facilitating the removal of the tool, and the connecting piece can be locked through the locking piece, so that the support plate is more tightly connected to the storage box, and the sliding of the support plate is avoided as much as possible.

[0030] (3) Through the coordinated arrangement of the mounting seat, the first electric push rod and the universal wheel, when the universal wheel extends out of the mounting seat, it is convenient to move the device, and when the universal wheel is retracted into the mounting seat, the device can be fixed, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0033] Figure 2 This is a schematic diagram of the structure of the placement rack assembly of the utility model from a top view;

[0034] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0035] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at B in the middle;

[0036] Figure 5 For the utility model Figure 1 Schematic diagram of the structure at point C in the middle.

[0037] In the figure:

[0038] 1. Box assembly; 101. Placement box; 1011. Slide; 102. Door; 1021. Observation window; 103. Moving part; 1031. Mounting seat; 1032. First electric push rod; 1033. Universal wheel;

[0039] 2. Placement rack assembly; 201. Support plate; 2011. Handle; 202. Connector; 2021. Connecting groove; 2022. Connecting block; 203. Locking member; 2031. Second electric push rod; 2032. Slide plate; 20321. Pulley; 2033. Insertion rod; 2034. Slot; 204. First placement seat; 2041. First U-shaped frame; 2042. Groove body; 2043. First spring; 2044. Positioning plate; 205. Second placement seat; 2051. Second U-shaped frame; 2052. Mounting plate; 2053. Fixing rod; 2054. Fixing block; 2055. Movable plate; 2056. Second spring; 206. Third placement seat; 2061. Third U-shaped frame; 2062. Bearing seat; 2063. Third spring; 2064. Clamp. DETAILED DESCRIPTION

[0040] The following is combined with Figure 1-5 The utility model is described in further detail.

[0041] Embodiment 1, refer to Figure 1 The utility model discloses a device for placing auxiliary tools for oil drilling, including a box assembly 1, which includes a placing box 101, a door body 102 is hinged on one side of the placing box 101, and moving parts 103 are arranged at the four corners of the bottom of the placing box 101.

[0042] The placement rack assembly 2 is arranged in the inner cavity of the placement box 101, which includes a support plate 201, the support plate 201 is installed in the inner cavity of the placement box 101, a connecting piece 202 is arranged between the support plate 201 and the placement box 101, a locking piece 203 is arranged between the connecting piece 202 and the placement box 101, a first placement seat 204 is arranged at the top of both sides of the support plate 201, a second placement seat 205 is arranged at the middle position of both sides of the support plate 201, and a third placement seat 206 is arranged at the bottom of both sides of the support plate 201.

[0043] Reference Figure 1 The surface of the door body 102 is provided with an observation window 1021. It is convenient for the staff to observe the placement position of the tools inside the placement box 101 through the observation window 1021.

[0044] Reference Figure 1 and Figure 2 The first placement seat 204 includes a first U-shaped frame 2041, which is installed on the top of both sides of the support plate 201. A groove body 2042 is installed in the inner cavity of the first U-shaped frame 2041. A first spring 2043 is fixedly connected to the right side wall of the inner cavity of the groove body 2042. A positioning plate 2044 is fixedly connected to the side of the first spring 2043 close to the center of the groove body 2042. The positioning plate 2044 is slidably connected to the groove body 2042. The rod-shaped tool is placed in the groove body 2042, and the rod-shaped tool squeezes the fixed block 2054. The fixed block 2054 is tightly attached to one side of the rod-shaped tool under the elastic force of the fixed rod 2053, so as to facilitate clamping of rod-shaped tools of different specifications.

[0045] Reference Figure 1 and Figure 4 The second placement seat 205 includes a second U-shaped frame 2051, which is installed at the center of both sides of the support plate 201. A mounting plate 2052 is installed in the inner cavity of the second U-shaped frame 2051. A fixing rod 2053 is fixedly installed at the center of the top of the mounting plate 2052. A fixing block 2054 is installed at both ends of the top of the mounting plate 2052. A movable plate 2055 is hinged on the top of the fixing block 2054. A second spring 2056 is connected between one end of the movable plate 2055 away from the fixing rod 2053 and the mounting plate 2052. One end of the drill bit is sleeved with the fixing rod 2053, and the side wall of the drill bit presses the movable plate 2055. The movable plate 2055 is tightly attached to the side wall of the drill bit under the elastic force of the second spring 2056, so that the drill bit is fixed in the second U-shaped frame 2051, which is convenient for clamping drill bits of different specifications.

[0046] Reference Figure 1 and Figure 5The third placement seat 206 includes a third U-shaped frame 2061, which is installed at the bottom of both sides of the support plate 201. A bearing seat 2062 is fixedly installed in the inner cavity of the third U-shaped frame 2061. Both sides of the inner cavity of the bearing seat 2062 are fixedly connected with third springs 2063. A clamping plate 2064 is installed on one side of the third spring 2063 close to the center of the third U-shaped frame 2061. Through the elastic force of the third spring 2063, the spacing between the clamping plates 2064 can be adjusted, so that instruments and tools of different specifications can be fixedly clamped.

[0047] Specific implementation principle: Auxiliary tools are placed in the first placement seat 204, the second placement seat 205 and the third placement seat 206 according to different types, and the rod-shaped tools are placed in the groove body 2042 first. At this time, the tools squeeze the positioning plate 2044, and the positioning plate 2044 squeezes the first spring 2043. Under the action of the rebound force of the first spring 2043, the positioning plate 2044 is tightly attached to one side of the rod-shaped tools, so as to facilitate the clamping of rod-shaped tools of different specifications. Then, the drill bit tools are placed in the second U-shaped frame 2051, so that one end of the drill bit is sleeved on the fixed rod 2053. At this time, the side wall of the drill bit squeezes the movable plate 2055, and the movable plate 2055 squeezes the second spring 2056. Under the action of the rebound force of the second spring 2056, the movable plate 2055 is tightly attached to the side wall of the drill bit, so that drill bits of different specifications can be conveniently fixed in the second U-shaped frame 2051. Finally, the instrument tools are placed in the third U-shaped frame 2061, and the clamps 2064 are pulled to both sides first. The clamps 2064 compress the third spring 2063, so that the distance between the clamps 2064 can be adjusted. Then, the instrument tools are placed between the clamps 2064, and then the clamps 2064 are released. Under the action of the rebound force of the third spring 2063, the clamps 2064 clamp the two sides of the instrument tools. In this way, the tools are placed in order according to different types, and the tools do not touch each other, which is convenient for later picking up.

[0048] Example 2, refer to Figure 1 and Figure 3 In this embodiment, based on the same concept as the first embodiment, the device for placing auxiliary tools for oil drilling also includes: the connecting member 202 includes two groups of connecting slots 2021, which are respectively installed at the top and bottom of the inner cavity of the placement box 101, and the top and bottom of the support plate 201 are fixedly connected with connecting blocks 2022, and the connecting slots 2021 are slidably connected to the connecting blocks 2022. Through the sliding cooperation between the connecting slots 2021 and the connecting blocks 2022, it is convenient to slide the support plate 201 out of the inner cavity of the placement box 101, thereby facilitating the staff to take the tools.

[0049] Reference Figure 1The front of the support plate 201 is fixedly connected with a handle 2011, and a rubber sleeve is fixedly sleeved on the outer wall of the handle 2011. The setting of the handle 2011 makes it convenient for the staff to hold the handle 2011 to pull the support plate 201 to move, and the setting of the rubber sleeve increases the friction between the staff's hand and the handle 2011, and tries to avoid the phenomenon of hand slipping during the hand pulling process.

[0050] Reference Figure 1 and Figure 3 The locking member 203 includes two sets of second electric push rods 2031, which are respectively installed at the top and bottom of the inner cavity of the placement box 101. The output ends of the two sets of second electric push rods 2031 are both installed with slide plates 2032. The two sets of slide plates 2032 are both connected to the side close to the connecting slot 2021 with plug rods 2033. The right sides of the two sets of connecting blocks 2022 are evenly spaced with slots 2034 for plugging and matching with the plug rods 2033. When the connecting block 2022 needs to be fixed, the second electric push rod 2031 is controlled to extend, and the second electric push rod 2031 drives the slide plate 2032 to move to the left when it extends, and the slide plate 2032 drives the plug rod 2033 to move to the left when it moves to the left, until the plug rod 2033 is plugged into the slot 2034, the connecting block 2022 can be locked and fixed, and the sliding of the connecting block 2022 can be avoided as much as possible.

[0051] Reference Figure 1 and Figure 3 The two sets of slide plates 2032 are both rotatably mounted with pulleys 20321 at one end away from the support plate 201, and the top and bottom of the inner cavity of the placement box 101 are provided with slide grooves 1011, and the slide grooves 1011 are slidably connected with the pulleys 20321. When the slide plates 2032 move, they can drive the pulleys 20321 to slide in the inner cavity of the slide grooves 1011, so that the slide plates 2032 move more smoothly.

[0052] Specific implementation principle: when it is necessary to take out the tools inside the placement box 101, the staff starts the second electric push rod 2031 to retract, and the contraction of the second electric push rod 2031 drives the slide plate 2032 to move to the right. When the slide plate 2032 moves to the right, it drives the insertion rod 2033 to move to the right until the insertion rod 2033 is separated from the slot 2034, thereby unlocking the fixing effect of the insertion rod 2033 on the connecting block 2022. At this time, the staff holds the handle 2011 and pulls the support plate 201 outward, and the support plate 201 drives the connecting block 2022 to move outward, and the connecting block 2022 slides in the connecting groove 2021, so that the support plate 201 can be moved out of the placement box 101, and it is convenient to take the tools on the support plate 201.

[0053] Example 3, refer to Figure 1In this embodiment, based on the same concept as the first embodiment, the device for placing auxiliary tools for oil drilling also includes: the moving part 103 includes four groups of mounting seats 1031, which are respectively installed at the four corners of the bottom of the placement box 101, and the inner top walls of the four groups of mounting seats 1031 are all installed with first electric push rods 1032, and the output ends of the four groups of first electric push rods 1032 are all installed with universal wheels 1033. When the first electric push rod 1032 is extended to drive the universal wheel 1033 to move downward, until the universal wheel 1033 extends out of the mounting seat 1031, it is convenient to move the device, and when the universal wheel 1033 is retracted into the mounting seat 1031, the device can be fixed, thereby improving the practicality of the device.

[0054] Specific implementation principle: when the device needs to be moved, the first electric push rod 1032 is started to extend, and the first electric push rod 1032 extends to drive the universal wheel 1033 to move downward until the universal wheel 1033 contacts the ground and lifts the mounting seat 1031 off the ground. Then the device can be moved. When it moves to the desired position, the first electric push rod 1032 is controlled to retract, and the first electric push rod 1032 retracts to drive the universal wheel 1033 to move upward until the mounting seat 1031 contacts the ground and the universal wheel 1033 is off the ground, so as to fix the device conveniently and avoid rolling of the device when placing tools.

[0055] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A device for placing tools for oil drilling auxiliary, characterized in that: include, A box assembly (1), comprising a storage box (101), one side of the storage box (101) being hingedly connected to a door body (102), and four corners of the bottom of the storage box (101) being provided with moving parts (103); A placement rack assembly (2), the placement rack assembly (2) being arranged in the inner cavity of the placement box (101), comprising a support plate (201), the support plate (201) being installed in the inner cavity of the placement box (101), a connecting piece (202) being arranged between the support plate (201) and the placement box (101), a locking piece (203) being arranged between the connecting piece (202) and the placement box (101), first placement seats (204) being arranged at the top of both sides of the support plate (201), second placement seats (205) being arranged at the middle position of both sides of the support plate (201), and third placement seats (206) being arranged at the bottom of both sides of the support plate (201).

2. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The moving member (103) comprises four groups of mounting seats (1031), the four groups of mounting seats (1031) being respectively mounted at four corners of the bottom of the placement box (101), the inner top walls of the four groups of mounting seats (1031) being all mounted with first electric push rods (1032), and the output ends of the four groups of first electric push rods (1032) being all mounted with universal wheels (1033).

3. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: An observation window (1021) is installed on the surface of the door body (102).

4. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The front side of the support plate (201) is connected to a handle (2011), and the outer wall of the handle (2011) is sleeved with a rubber sleeve.

5. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The connecting member (202) comprises two groups of connecting grooves (2021), the two groups of connecting grooves (2021) being respectively installed at the top and bottom of the inner cavity of the placement box (101), the top and bottom of the support plate (201) being connected to connecting blocks (2022), and the connecting grooves (2021) being slidably connected to the connecting blocks (2022).

6. The device for placing auxiliary tools for oil drilling according to claim 5, characterized in that: The locking member (203) comprises two groups of second electric push rods (2031), the two groups of second electric push rods (2031) being respectively mounted on the top and bottom of the inner cavity of the placement box (101), the output ends of the two groups of second electric push rods (2031) being both mounted with slide plates (2032), the two groups of slide plates (2032) being both connected to a plug rod (2033) on one side close to the connection slot body (2021), and slots (2034) for plugging and cooperating with the plug rods (2033) being provided at equal intervals on the right sides of the two groups of connection blocks (2022).

7. The device for placing auxiliary tools for oil drilling according to claim 6, characterized in that: A pulley (20321) is installed at one end of the two sets of slide plates (2032) away from the support plate (201), and a slide groove (1011) is provided at the top and bottom of the inner cavity of the placement box (101), and the slide groove (1011) is slidably connected to the pulley (20321).

8. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The first placement seat (204) comprises a first U-shaped frame (2041), the first U-shaped frame (2041) being installed at the top of both sides of the support plate (201), the inner cavity of the first U-shaped frame (2041) being installed with a groove body (2042), the right side wall of the inner cavity of the groove body (2042) being connected to a first spring (2043), and the first spring (2043) being connected to a positioning plate (2044) on one side close to the center of the groove body (2042).

9. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The second placement seat (205) comprises a second U-shaped frame (2051), the second U-shaped frame (2051) is installed at the center of both sides of the support plate (201), a mounting plate (2052) is installed in the inner cavity of the second U-shaped frame (2051), a fixing rod (2053) is installed at the center of the top of the mounting plate (2052), fixing blocks (2054) are installed at both ends of the top of the mounting plate (2052), a movable plate (2055) is hinged at the top of the fixing block (2054), and a second spring (2056) is connected between the end of the movable plate (2055) away from the fixing rod (2053) and the mounting plate (2052).

10. The device for placing auxiliary tools for oil drilling according to claim 1, characterized in that: The third placement seat (206) comprises a third U-shaped frame (2061), the third U-shaped frame (2061) is installed at the bottom of both sides of the support plate (201), the inner cavity of the third U-shaped frame (2061) is installed with a bearing seat (2062), both sides of the inner cavity of the bearing seat (2062) are connected with third springs (2063), and a clamping plate (2064) is installed on one side of the third spring (2063) close to the center of the third U-shaped frame (2061).

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