Splicing photovoltaic power station support
By designing splicable photovoltaic power plant brackets, including lifting structures, clamping structures and adjustment structures, the problems of inconvenient installation and difficult operation of photovoltaic panels in the existing technology are solved, and the rapid splicing and multi-angle installation of photovoltaic panels are realized, which improves the improvement of photovoltaic panels Use efficiency and equipment safety.
Patent Information
- Application Number
- CN202421250712.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-04
AI Technical Summary
The existing photovoltaic power plant brackets are not convenient for quick splicing and are not suitable for installation of photovoltaic panels of different specifications and sizes. They are difficult to operate and are prone to damage the photovoltaic panels.
A splicable photovoltaic power plant bracket is designed, including a base, mounting plate, lifting structure, clamping structure and adjustment structure. Through the adjustment of the lifting structure, the clamping structure and the motor drive of the adjustment structure, the flexible installation, rapid splicing and multi-angle adjustment of the photovoltaic panel are realized.
It realizes rapid splicing and multi-angle installation of photovoltaic panels, reduces operation difficulty, protects the safety of photovoltaic panels, and is suitable for installation and disassembly of photovoltaic panels of different specifications and sizes.
Smart Images

Figure CN222531615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic power station brackets, in particular to a photovoltaic power station bracket that can be spliced. Background Art
[0002] Photovoltaic power station bracket is a supporting device used to place, install and fix photovoltaic components in solar photovoltaic power generation systems, and a splicable photovoltaic power station bracket is a new type of photovoltaic bracket system designed to provide a more flexible and economical solution to adapt to the ever-changing photovoltaic installation needs.
[0003] The existing photovoltaic power station bracket is not convenient for quick splicing of photovoltaic panels during use, is not convenient for installing photovoltaic panels of different sizes, and is also not convenient for installing and disassembling photovoltaic panels. The operation is difficult and easily causes damage to the photovoltaic panels. Utility Model Content
[0004] The utility model aims to provide a photovoltaic power station bracket which can be spliced, so as to solve the defect that the existing photovoltaic power station bracket is not convenient for rapid splicing.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a photovoltaic power station bracket that can be spliced, including a base and a mounting plate;
[0006] The base includes a mounting plate, a lifting structure, a support plate, a clamping structure, a photovoltaic panel and an adjustment structure. The mounting plate is mounted on one side of the top of the base, and the lifting structure is fixed to the top of the mounting plate.
[0007] Support plates are fixed on both sides of the top of the lifting structure, a clamping structure is arranged inside the support plate, and a photovoltaic panel is arranged inside the clamping structure;
[0008] An adjusting structure is arranged inside the base.
[0009] Preferably, the lifting structure includes a first fixed tube, a first adjusting rod, a first adjusting hole, a first fixing bolt, a second fixed tube, a second adjusting rod, a second adjusting hole and a second fixing bolt. The first fixed tube is fixed to the top of the mounting plate. The first fixed tube is provided with a first adjusting rod inside. The first adjusting rod is evenly provided with first adjusting holes inside. The first adjusting hole is provided with a first fixing bolt inside. A second fixed tube is provided on the side of the top of the base away from the first fixed tube. The second fixed tube is provided with a second adjusting rod inside. The second adjusting rod is evenly provided with second adjusting holes inside. The second fixing bolt is provided inside the second adjusting hole.
[0010] Preferably, two groups of first fixing tubes are provided, and the first fixing tubes are symmetrically distributed on one side of the top end of the base, and several groups of first adjustment holes are provided, and the first adjustment holes are evenly distributed inside the first adjusting rod, and the first fixing tube and the first adjusting rod are fixedly connected by a first fixing bolt, and two groups of second fixing tubes are provided, and the second fixing tubes are symmetrically distributed on the side of the top end of the base away from the first fixing tube, and several groups of second adjustment holes are provided, and the second adjustment holes are evenly distributed inside the second adjusting rod, and the second fixing tube and the second adjusting rod are fixedly connected by a second fixing bolt, and the top ends of the first adjusting rod and the second adjusting rod are respectively fixedly connected to the bottom ends of the support plate.
[0011] Preferably, the clamping structure includes a slide rail, a slider, a clamping seat, a slot, a through slot, a limiting hole, a limiting groove and a limiting pin. The slide rail is arranged inside the support plate, and a slider is arranged inside the slide rail. A clamping seat is fixed to the top of the slider, and a slot is arranged on one side of the clamping seat. The bottom end of the support plate is provided with a through slot, and limiting holes are evenly arranged at the top of the through slot. Limiting slots are arranged at the middle position of the bottom end of the slider, and limiting pins are arranged inside the limiting holes and the limiting slots.
[0012] Preferably, the sliders are provided in several groups, the sliders are evenly spaced inside the slide rail, the slide rail is slidably connected to the sliders, the photovoltaic panel is snap-fitted with the slot, and the limit holes are provided in several groups, the limit holes are evenly spaced at the top of the through slot.
[0013] Preferably, the top end of the limiting hole passes through the interior of the support plate and extends to the interior of the slide rail. The limiting hole and the limiting groove have the same diameter. The interior of the limiting groove is provided with an internal thread, and the outer side of the limiting pin is provided with an external thread matching the interior of the limiting groove. The limiting groove and the limiting pin are threadedly connected, and the slider and the support plate are fixedly connected by the limiting pin.
[0014] Preferably, the adjustment structure includes a motor, a slide groove, a first threaded rod, a driving wheel, a transmission belt, a driven wheel, a second threaded rod and a movable seat, the motor is fixed to one side of the base, slide grooves are provided on both sides of the top of the base, a first threaded rod is provided inside the slide groove, a driving wheel is fixed to the outer side of the first threaded rod on one side of the base, a transmission belt is provided on the outer side of the driving wheel, a driven wheel is provided on one side inside the transmission belt, a second threaded rod is fixed to one end of the driven wheel, and a movable seat is provided on the outer sides of the first threaded rod and the second threaded rod.
[0015] Preferably, two groups of slide grooves are provided, and the slide grooves are symmetrically distributed at the top of the base. One end of the first threaded rod passes through one side of the base, extends to the outside of the base and is fixedly connected to the output end of the motor, and one end of the second threaded rod passes through one side of the base, extends to the inside of the slide groove and is movably connected to one side of the inside of the slide groove.
[0016] Preferably, the interior of the movable seat is provided with an internal thread matching the outer side of the second threaded rod, the second threaded rod is threadedly connected to the movable seat, and the movable seat is provided with two groups, and the movable seats are symmetrically distributed on the outer sides of the slide groove and the second threaded rod respectively, and the top end of the movable seat is fixedly connected to the bottom end of the second fixed tube.
[0017] The utility model provides a photovoltaic power station bracket that can be spliced, which has the advantages of:
[0018] By providing a lifting structure, the first fixing bolt and the second fixing bolt are respectively passed through the first adjustment hole and the second adjustment hole, so that the first adjustment rod and the first fixing tube, and the second fixing tube and the second adjustment rod form a clamping structure, and the first fixing bolt and the second fixing bolt are respectively passed through different first adjustment holes and second adjustment holes to adjust the lengths of the first adjustment rod and the second adjustment rod in the first fixing tube and the second fixing tube, respectively, so that the heights of the first adjustment rod and the second adjustment rod can be adjusted according to needs, thereby improving the practicality of the user when using;
[0019] By providing a clamping structure, the slider slides in the slide rail, so that the card slot in the clamping seat and the card block on the outside of the photovoltaic panel form a clamping connection, and then the four corners of the photovoltaic panel are clamped and fixed by the sliding clamping seat, which is not easy to fall out, and is convenient for installing photovoltaic panels of different sizes. The limit pin is passed through the limit hole and the limit groove to fix the slider in the slide rail, so that the clamping seat clamps the photovoltaic panel more firmly and securely, thereby ensuring the stable installation of the photovoltaic panel, and can also quickly splice multiple groups of photovoltaic panels, and it is also convenient for the installation and disassembly of the photovoltaic panel to ensure that the device will not be damaged during disassembly;
[0020] By providing an adjustment structure, the first threaded rod is driven to rotate inside the slide groove by starting the motor, the driving wheel is driven to rotate by the rotation of the first threaded rod, and the driven wheel is driven to rotate under the action of the transmission belt, so that the driven wheel drives the second threaded rod to rotate synchronously with the first threaded rod, so that the movable seat moves horizontally outside the first threaded rod and the second threaded rod, and then drives the second fixed tube to move, so as to facilitate the adjustment of the inclination angle of the photovoltaic panel and the multi-angle installation of the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0022] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;
[0023] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;
[0024] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model;
[0025] Figure 5 For the utility model Figure 4 Enlarged structural diagram at B in the middle.
[0026] Description of reference numerals in the figures: 1, base; 101, mounting plate; 102, lifting structure; 1021, first fixing tube; 1022, first adjusting rod; 1023, first adjusting hole; 1024, first fixing bolt; 1025, second fixing tube; 1026, second adjusting rod; 1027, second adjusting hole; 1028, second fixing bolt; 103, support plate; 104, clamping structure; 1041, slide rail; 10 42. Slider; 1043. Clamping seat; 1044. Slot; 1045. Through slot; 1046. Limit hole; 1047. Limit slot; 1048. Limit pin; 105. Photovoltaic panel; 106. Adjustment structure; 1061. Motor; 1062. Slide; 1063. First threaded rod; 1064. Driving wheel; 1065. Transmission belt; 1066. Driven wheel; 1067. Second threaded rod; 1068. Moving seat. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-5 The utility model provides a splicable photovoltaic power station bracket, which includes a base 1 and a mounting plate 101.
[0029] Reference Figure 2 and Figure 4As shown, the base 1 includes a mounting plate 101, a lifting structure 102, a support plate 103, a clamping structure 104, a photovoltaic panel 105 and an adjustment structure 106. The mounting plate 101 is installed on one side of the top of the base 1. The top of the mounting plate 101 is fixed with the lifting structure 102. The two sides of the top of the lifting structure 102 are fixed with the support plates 103. The lifting structure 102 includes a first fixing tube 1021, a first adjustment rod 1022, a first adjustment hole 1023, a first fixing bolt 1024, a second fixing tube 1025, a second adjustment The first fixing tube 1021 is fixed to the top of the mounting plate 101, the first fixing tube 1021 is provided with a first adjusting rod 1022, the first adjusting rod 1022 is evenly provided with first adjusting holes 1023, the first adjusting holes 1023 are provided with a first fixing bolt 1024, the top of the base 1 is provided with a second fixing tube 1025 on the side away from the first fixing tube 1021, the second fixing tube 1025 is provided with a second The adjusting rod 1026 is provided with second adjusting holes 1027 evenly arranged inside the second adjusting rod 1026, and the second adjusting holes 1027 are provided with second fixing bolts 1028 inside. The first fixing tube 1021 is provided with two groups, and the first fixing tube 1021 is symmetrically distributed on one side of the top of the base 1. The first adjusting holes 1023 are provided with a plurality of groups, and the first adjusting holes 1023 are evenly distributed inside the first adjusting rod 1022. The first fixing tube 1021 and the first adjusting rod 1022 are formed by the first fixing bolts 1024. The second fixing tubes 1025 are fixedly connected, and two groups of the second fixing tubes 1025 are symmetrically distributed on the side of the top of the base 1 away from the first fixing tube 1021. A plurality of groups of second adjustment holes 1027 are provided, and the second adjustment holes 1027 are evenly spaced inside the second adjusting rod 1026. The second fixing tube 1025 and the second adjusting rod 1026 are fixedly connected by a second fixing bolt 1028. The top ends of the first adjusting rod 1022 and the second adjusting rod 1026 are fixedly connected to the bottom ends of the support plate 103, respectively.
[0030] By passing the first fixing bolt 1024 and the second fixing bolt 1028 through the first adjustment hole 1023 and the second adjustment hole 1027 respectively, the first adjustment rod 1022 and the first fixing tube 1021 as well as the second fixing tube 1025 and the second adjustment rod 1026 form a locking structure. By passing the first fixing bolt 1024 and the second fixing bolt 1028 through different first adjustment holes 1023 and second adjustment holes 1027 respectively, the lengths of the first adjustment rod 1022 and the second adjustment rod 1026 in the first fixing tube 1021 and the second fixing tube 1025 respectively can be adjusted, thereby facilitating the adjustment of the height of the first adjustment rod 1022 and the second adjustment rod 1026 as needed, thereby improving the practicality of the user when using it.
[0031] Reference Figure 2-Figure 4 As shown, a clamping structure 104 is provided inside the support plate 103, and the clamping structure 104 includes a slide rail 1041, a slider 1042, a clamping seat 1043, a slot 1044, a through slot 1045, a limiting hole 1046, a limiting groove 1047 and a limiting pin 1048. The slide rail 1041 is provided inside the support plate 103, and a slider 1042 is provided inside the slide rail 1041. The clamping seat 1043 is fixed to the top of the slider 1042, and a slot 1044 is provided on one side of the clamping seat 1043. A through slot 1045 is provided at the bottom end of the support plate 103, and limiting holes 1046 are evenly provided at the top of the through slot 1045. A limiting slot 1047 is provided at the middle position of the bottom end of the slider 1042, and limiting pins 1048 are provided inside the limiting hole 1046 and the limiting groove 1047. The slider 1042 is provided with a plurality of The slide blocks 1042 are evenly spaced inside the slide rail 1041, the slide rail 1041 is slidably connected to the slide block 1042, the photovoltaic panel 105 is snap-fitted with the card slot 1044, and a plurality of groups of limiting holes 1046 are provided. The limiting holes 1046 are evenly spaced at the top end of the through slot 1045, and the top end of the limiting holes 1046 passes through the interior of the support plate 103 and extends to the interior of the slide rail 1041. The limiting holes 1046 have the same diameter as the limiting groove 1047, and the interior of the limiting groove 1047 is provided with an internal thread, and the outer side of the limiting pin 1048 is provided with an external thread matching the interior of the limiting groove 1047, the limiting groove 1047 is threadedly connected to the limiting pin 1048, the slide block 1042 is fixedly connected to the support plate 103 through the limiting pin 1048, and the photovoltaic panel 105 is provided inside the clamping structure 104.
[0032] By sliding the slider 1042 in the slide rail 1041, the card slot 1044 in the clamping seat 1043 and the card block on the outside of the photovoltaic panel 105 form a card-engaging connection, and then the four corners of the photovoltaic panel 105 are clamped and fixed by the sliding clamping seat 1043, which is not easy to fall out, and is convenient for installing photovoltaic panels 105 of different sizes. The limit pin 1048 is passed through the limit hole 1046 and the limit slot 1047 to fix the slider 1042 in the slide rail 1041, so that the clamping seat 1043 clamps the photovoltaic panel 105 more firmly and securely, thereby ensuring the stable installation of the photovoltaic panel 105, and can also quickly splice multiple groups of photovoltaic panels 105, and also facilitates the installation and disassembly of the photovoltaic panel 105, ensuring that the device will not be damaged during disassembly.
[0033] Reference Figure 1-Figure 5As shown, an adjustment structure 106 is provided inside the base 1, and the adjustment structure 106 includes a motor 1061, a slide groove 1062, a first threaded rod 1063, a driving wheel 1064, a transmission belt 1065, a driven wheel 1066, a second threaded rod 1067 and a moving seat 1068. The motor 1061 is fixed to one side of the base 1, and slide grooves 1062 are provided on both sides of the top of the base 1. The first threaded rod 1063 is provided inside the slide groove 1062. A driving wheel 1064 is fixed to the outer side of the first threaded rod 1063 on one side of the base 1, and a transmission belt 1065 is provided on the outer side of the driving wheel 1064. A driven wheel 1066 is provided on one side inside the transmission belt 1065, and a second threaded rod 1067 is fixed to one end of the driven wheel 1066. The outer sides of the first threaded rod 1063 and the second threaded rod 1067 are provided. A movable seat 1068 is provided, and two groups of slide grooves 1062 are provided. The slide grooves 1062 are symmetrically distributed at the top of the base 1. One end of the first threaded rod 1063 penetrates one side of the base 1 and extends to the outside of the base 1 and is fixedly connected to the output end of the motor 1061. One end of the second threaded rod 1067 penetrates one side of the base 1 and extends to the inside of the slide groove 1062 and is movably connected to one side of the inside of the slide groove 1062. The interior of the movable seat 1068 is provided with an internal thread matching the outside of the second threaded rod 1067. The second threaded rod 1067 is threadedly connected to the movable seat 1068. Two groups of movable seats 1068 are provided, and the movable seats 1068 are symmetrically distributed on the outside of the slide groove 1062 and the second threaded rod 1067 respectively. The top of the movable seat 1068 is fixedly connected to the bottom end of the second fixed tube 1025.
[0034] By starting the motor 1061, the first threaded rod 1063 is driven to rotate inside the slide groove 1062, and the rotation of the first threaded rod 1063 drives the driving wheel 1064 to rotate, and under the action of the transmission belt 1065, the driven wheel 1066 is driven to rotate, and then the driven wheel 1066 drives the second threaded rod 1067 to rotate synchronously with the first threaded rod 1063, so that the movable seat 1068 moves horizontally on the outside of the first threaded rod 1063 and the second threaded rod 1067, and then drives the second fixed tube 1025 to move, so as to facilitate the adjustment of the inclination angle of the photovoltaic panel 105 and facilitate the multi-angle installation of the photovoltaic panel 105.
[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A splicable photovoltaic power station bracket, comprising a base (1) and a mounting plate (101); Features: The base (1) comprises a mounting plate (101), a lifting structure (102), a support plate (103), a clamping structure (104), a photovoltaic panel (105) and an adjustment structure (106); the mounting plate (101) is mounted on one side of the top of the base (1); and the lifting structure (102) is fixed to the top of the mounting plate (101); Support plates (103) are fixed on both sides of the top of the lifting structure (102), a clamping structure (104) is arranged inside the support plate (103), and a photovoltaic panel (105) is arranged inside the clamping structure (104); An adjustment structure (106) is provided inside the base (1).
2. The splicable photovoltaic power station bracket according to claim 1, characterized in that: The lifting structure (102) comprises a first fixing tube (1021), a first adjusting rod (1022), a first adjusting hole (1023), a first fixing bolt (1024), a second fixing tube (1025), a second adjusting rod (1026), a second adjusting hole (1027) and a second fixing bolt (1028); the first fixing tube (1021) is fixed to the top end of the mounting plate (101); the first adjusting rod (1022) is arranged inside the first fixing tube (1021); the first adjusting rod (1022) is provided inside the first adjusting rod (1022); The base (1021) is provided with a second fixing tube (1025) at the top of the base (1) away from the first fixing tube (1021), a second adjusting rod (1026) is provided at the inside of the second fixing tube (1025), second adjusting holes (1027) are uniformly provided at the inside of the second adjusting rod (1026), and a second fixing bolt (1028) is provided at the inside of the second adjusting hole (1027).
3. The splicable photovoltaic power station bracket according to claim 2 is characterized in that: The first fixing tubes (1021) are provided in two groups, and the first fixing tubes (1021) are symmetrically distributed on one side of the top of the base (1); the first adjustment holes (1023) are provided in a plurality of groups, and the first adjustment holes (1023) are distributed at equal intervals inside the first adjustment rod (1022); the first fixing tubes (1021) and the first adjustment rod (1022) are fixedly connected by a first fixing bolt (1024); the second fixing tubes (1025) are provided in two groups, and the second fixing tubes (102 5) The second adjustment holes (1027) are symmetrically distributed on a side of the top of the base (1) away from the first fixed tube (1021), and a plurality of groups of the second adjustment holes (1027) are arranged; the second adjustment holes (1027) are evenly spaced inside the second adjustment rod (1026); the second fixed tube (1025) and the second adjustment rod (1026) are fixedly connected via a second fixing bolt (1028); and the top ends of the first adjustment rod (1022) and the second adjustment rod (1026) are fixedly connected to the bottom ends of the support plate (103), respectively.
4. The splicable photovoltaic power station bracket according to claim 1, characterized in that: The clamping structure (104) comprises a slide rail (1041), a slider (1042), a clamping seat (1043), a slot (1044), a through slot (1045), a limiting hole (1046), a limiting slot (1047) and a limiting pin (1048); the slide rail (1041) is arranged inside the support plate (103); a slider (1042) is arranged inside the slide rail (1041); a top end of the slider (1042) is fixed with a A clamping seat (1043), a clamping slot (1044) is provided on one side of the clamping seat (1043), a through slot (1045) is provided at the bottom end of the support plate (103), limiting holes (1046) are evenly provided at the top end of the through slot (1045), a limiting slot (1047) is provided at the middle position of the bottom end of the slider (1042), and limiting pins (1048) are provided inside the limiting hole (1046) and the limiting slot (1047).
5. The splicable photovoltaic power station bracket according to claim 4, characterized in that: The sliders (1042) are provided in a plurality of groups, and the sliders (1042) are evenly spaced inside the slide rail (1041). The slide rail (1041) and the sliders (1042) are slidably connected, and the photovoltaic panel (105) and the slot (1044) are snap-fitted together. The limiting holes (1046) are provided in a plurality of groups, and the limiting holes (1046) are evenly spaced at the top of the through slot (1045).
6. The splicable photovoltaic power station bracket according to claim 4, characterized in that: The top end of the limiting hole (1046) passes through the interior of the support plate (103) and extends to the interior of the slide rail (1041). The limiting hole (1046) has the same diameter as the limiting groove (1047). The interior of the limiting groove (1047) is provided with an internal thread. The outer side of the limiting pin (1048) is provided with an external thread matching the interior of the limiting groove (1047). The limiting groove (1047) and the limiting pin (1048) are threadedly connected. The slider (1042) and the support plate (103) are fixedly connected via the limiting pin (1048).
7. The splicable photovoltaic power station bracket according to claim 1, characterized in that: The adjusting structure (106) comprises a motor (1061), a slide groove (1062), a first threaded rod (1063), a driving wheel (1064), a transmission belt (1065), a driven wheel (1066), a second threaded rod (1067) and a movable seat (1068); the motor (1061) is fixed to one side of the base (1); slide grooves (1062) are arranged on both sides of the top of the base (1); the first threaded rod (1063) is arranged inside the slide groove (1062); 3), a driving wheel (1064) is fixed on the outer side of a first threaded rod (1063) on one side of the base (1), a transmission belt (1065) is arranged on the outer side of the driving wheel (1064), a driven wheel (1066) is arranged on one side inside the transmission belt (1065), a second threaded rod (1067) is fixed on one end of the driven wheel (1066), and a movable seat (1068) is arranged on the outer side of the first threaded rod (1063) and the second threaded rod (1067).
8. The splicable photovoltaic power station bracket according to claim 7, characterized in that: The slide grooves (1062) are provided in two groups, and the slide grooves (1062) are symmetrically distributed at the top of the base (1). One end of the first threaded rod (1063) passes through one side of the base (1) and extends to the outside of the base (1) and is fixedly connected to the output end of the motor (1061). One end of the second threaded rod (1067) passes through one side of the base (1) and extends to the inside of the slide groove (1062) and is movably connected to one side of the inside of the slide groove (1062).
9. The splicable photovoltaic power station bracket according to claim 7, characterized in that: The interior of the movable seat (1068) is provided with an internal thread matching the outer side of the second threaded rod (1067); the second threaded rod (1067) is threadedly connected to the movable seat (1068); the movable seat (1068) is provided with two groups; the movable seats (1068) are symmetrically distributed on the outer sides of the slide groove (1062) and the second threaded rod (1067); the top end of the movable seat (1068) is fixedly connected to the bottom end of the second fixed tube (1025).