Flexible photovoltaic support suitable for mountainous terrain

Abstract

The invention relates to the technical field of flexible photovoltaic supports, in particular to a flexible photovoltaic support suitable for mountainous terrain. The invention provides a flexible photovoltaic support suitable for a mountainous area terrain. The flexible photovoltaic support comprises a supporting base, a supporting column, a lifting supporting cylinder, a mounting support, a lifting assembly, a limiting assembly, a translation assembly, a stabilizing assembly and a transmission assembly. Compared with the problem that flexible adjustment and stable supporting are inconvenient to achieve in the using process of a traditional flexible photovoltaic support, in the using process of the flexible photovoltaic support, the lifting assembly can be adjusted to drive the lifting supporting cylinder to be adjusted to ascend and descend, then the limiting assembly is used for abutting and limiting, and after the lifting supporting cylinder is adjusted to ascend, the lifting supporting cylinder can be driven to ascend and descend through the limiting assembly. The stable supporting effect of the device can be improved through the stabilizing assembly, in addition, the transmission assembly can be driven to adjust and rotate by adjusting the translation assembly, the transmission assembly can drive the supporting bracket to adjust and rotate, and then the purposes of flexible adjustment and stable supporting can be achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of flexible photovoltaic brackets, and in particular to a flexible photovoltaic bracket suitable for mountainous terrains. Background Art

[0002] Photovoltaic flexible bracket is a special bracket designed for placing, installing and fixing solar panels in solar power generation systems. It is characterized by no welding, no drilling, 100% adjustable and 100% reusable. The photovoltaic bracket structure must be firm and reliable and able to withstand atmospheric erosion, wind loads and other external effects.

[0003] During actual use, the adjustment angle of the solar panels of the existing devices is small. Since it is not convenient to flexibly adjust the tilt angle of the solar panels, it is easy for the solar panels to absorb less sunlight and it is not convenient to fully utilize the sunlight resources. In addition, the photovoltaic bracket is set in a mountainous environment. Due to the uneven end surface in the mountainous area, the bracket may tilt and fall over. The overall usability is low and needs to be improved urgently, which makes it inconvenient to achieve flexible adjustment and stable support.

[0004] Therefore, in order to address the above-mentioned problem of inconvenience in achieving flexible adjustment and stable support, a flexible photovoltaic bracket suitable for mountainous terrain can be designed. First, the lifting component can be adjusted to drive the lifting support tube to adjust and lift, and then the limit component can be used to resist and limit, thereby achieving the effect of height adjustment. After the lifting support tube is adjusted to rise, the stabilizing component can be used to provide auxiliary support on all sides of the support base, thereby improving the stable support effect of the device. In addition, the translation component can be adjusted to drive the transmission component to adjust and rotate, and the transmission component can drive the support bracket to adjust and rotate, thereby achieving the effect of angle adjustment, thereby achieving the purpose of flexible adjustment and stable support. Summary of the invention

[0005] In order to overcome the problem that the solar panel adjustment angle of the existing flexible photovoltaic bracket is small during use, it is not convenient to flexibly adjust the tilt angle of the solar panel, which may easily lead to the solar panel absorbing less sunlight and making full use of sunlight resources. In addition, the photovoltaic bracket is set in a mountainous environment. Due to the uneven end surface in the mountainous area, the bracket may tilt and fall over. The overall usability is low and needs to be improved urgently, which makes it inconvenient to achieve flexible adjustment and stable support.

[0006] The technical solution of the present invention is: a flexible photovoltaic support suitable for mountainous terrain, including a supporting base, a supporting pillar, a lifting support tube, a mounting bracket, a lifting assembly, a limiting assembly, a translation assembly, a stabilizing assembly and a transmission assembly; a lifting support tube is arranged above the supporting pillar, the lifting support tube is slidably connected to the supporting pillar, a lifting assembly is arranged inside the lifting support tube, a translation assembly is arranged above the lifting support tube, a mounting bracket is arranged above the translation assembly, a transmission assembly is arranged on one side of the translation assembly, and a limiting assembly is arranged on the side wall of the supporting pillar.

[0007] Preferably, when the flexible photovoltaic bracket is in use, the lifting support tube can be driven to adjust and lift by adjusting the lifting component, and then the limit component is used to resist and limit, so as to achieve the effect of height adjustment. After the lifting support tube is adjusted and raised, the stabilizing component can be used to provide auxiliary support on all sides of the support base, thereby improving the stable support effect of the device. In addition, the transmission component can be driven to adjust and rotate by adjusting the translation component, and the transmission component can drive the support bracket to adjust and rotate, thereby achieving the effect of angle adjustment, thereby achieving the purpose of flexible adjustment and stable support.

[0008] Preferably, the lifting assembly includes a supporting side panel, an adjusting shaft and an adjusting wheel; a supporting side panel is arranged above the supporting pillar, two groups of supporting side panels are arranged, an adjusting shaft is arranged inside the supporting side panel, and an adjusting wheel is arranged at one end of the adjusting shaft.

[0009] Preferably, the lifting assembly further includes an adjusting gear and an adjusting tooth plate; the adjusting tooth plate is arranged on the inner wall of the lifting support tube, and the adjusting gear is arranged on the side wall of the adjusting shaft, and the adjusting gear is meshed with the adjusting tooth plate.

[0010] Preferably, the limit assembly includes a fixed block, a mounting hole, a mounting shaft, a limit block and a limit plate; a fixed block is arranged on the side wall of the supporting side plate, a mounting hole is opened inside the fixed block, a mounting shaft is arranged inside the mounting hole, a limit block is arranged at one end of the mounting shaft, and a limit plate is arranged on the side wall of the other supporting side plate, the limit plate is connected in contact with the limit block, and the limit plate is connected in contact with the adjusting gear.

[0011] Preferably, the limiting assembly also includes a spiral spring; a spiral spring is arranged inside the mounting hole, one end of the spiral spring is fixedly connected to the inner wall of the mounting hole, and the other end of the spiral spring is fixedly connected to the other end of the mounting shaft.

[0012] Preferably, the translation assembly includes a mounting block, a translation slot, a rotating wheel and a translation screw; a mounting block is arranged above the lifting support tube, a translation slot is opened inside the mounting block, a translation screw is arranged inside the translation slot, and a rotating wheel is arranged at one end of the translation screw.

[0013] Preferably, the translation assembly further includes a translation slider and a translation tooth plate; the translation slider is arranged on the side wall of the translation screw, the translation slider is threadedly connected to the translation screw, and the translation tooth plate is arranged on the side wall of the translation slider.

[0014] Preferably, the transmission assembly includes a rotating shaft, a rotating gear and a connecting block; a connecting block is provided on the bottom wall of the mounting bracket, a rotating shaft is provided inside the connecting block, both ends of the rotating shaft are rotatably connected to the inner wall of the connecting block, a rotating gear is provided on the side wall of the rotating shaft, and the rotating gear is meshed with the translation gear plate.

[0015] Preferably, the stabilizing component includes a guide slot, a guide slider, a guide slide rod, a clamping block and a clamping hole; a guide slot is opened inside the support base, and multiple groups of guide slots are opened. A guide slide rod is arranged inside the guide slot, and a guide slider is arranged on the side wall of the guide slide rod. The guide slide rod is slidably connected to the guide slide rod, a clamping block is arranged above the guide slider, and a clamping hole is opened on the bottom wall of the lifting support tube.

[0016] Preferably, the stabilizing component also includes a stabilizing bracket and a return spring; a return spring is arranged on the side wall of the guide slide rod, one end of the return spring is fixedly connected to one side of the guide slide rod, the other end of the return spring is fixedly connected to the inner wall of the guide slide groove, and a stabilizing bracket is arranged on the other side of the guide slide rod.

[0017] Beneficial effects of the present invention:

[0018] 1. When the flexible photovoltaic bracket is in use, the lifting component can be adjusted to drive the lifting tube to adjust and lift, and then the limit component can be used to resist and limit, so as to achieve the effect of height adjustment. After the lifting tube is adjusted and raised, the stabilizing component can be used to provide auxiliary support on all sides of the support base, thereby improving the stable support effect of the device. In addition, the translation component can be adjusted to drive the transmission component to adjust and rotate, and the transmission component can drive the support bracket to adjust and rotate, thereby achieving the effect of angle adjustment, thereby achieving the purpose of flexible adjustment and stable support.

[0019] 2. When the flexible photovoltaic bracket is in use and the height is adjusted, first, the limit plate is rotated to adjust the rotation through the installation shaft, and then the adjusting wheel can be rotated to drive the adjusting gear through the adjusting shaft, and the adjusting gear can drive the supporting tube to be raised and lowered through the adjusting tooth plate, thereby achieving the effect of height adjustment. When the height adjustment is completed, the limit plate is released, and according to the rebound force generated by the elastic deformation of the scroll spring, the scroll spring can drive the limit plate to adjust and rotate through the installation shaft to reset to the bottom of the adjusting gear, thereby limiting the adjustment gear.

[0020] 3. When the lifting support tube is adjusted to rise, the clamping block will immediately disengage from the clamping hole, and according to the rebound force generated by the elastic deformation of the reset spring, the reset spring can drive the guide slider to adjust and move through the guide slide rod, and the guide slider can drive the stable bracket to adjust and move. Through multiple sets of stable brackets, auxiliary support can be provided on all sides of the support base, thereby improving the stable support effect of the device.

[0021] 4. In addition, by adjusting the rotating wheel, the translation screw can be driven to adjust and rotate, the translation screw can drive the translation gear plate to adjust and move through the translation slider, the translation gear plate can drive the rotating shaft to adjust and rotate through the rotating gear, and the rotating shaft can drive the mounting bracket to adjust and rotate through the connecting block, thereby achieving the effect of angle adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 What is shown is a schematic diagram of a first three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0023] Figure 2 What is shown is a schematic diagram of a first partial three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0024] Figure 3 Shown is a schematic diagram of a second partial three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0025] Figure 4 Shown is a schematic diagram of a third partial three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0026] Figure 5 Shown is a schematic diagram of a fourth partial three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0027] Figure 6 Shown is a schematic diagram of a fifth partial three-dimensional structure of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0028] Figure 7 Shown is a sixth partial three-dimensional structural schematic diagram of a flexible photovoltaic support suitable for mountainous terrain according to the present invention;

[0029] 1. Support base; 2. Lifting support tube; 3. Mounting bracket; 4. Support pillar; 101. Support side plate; 102. Adjusting shaft; 103. Adjusting wheel; 104. Adjusting gear; 105. Adjusting tooth plate; 201. Fixing block; 202. Mounting hole; 203. Mounting shaft; 204. Limiting block; 205. Limiting plate; 206. Volute spring; 301. Mounting block; 302. Translational slide groove; 303. Rotating wheel; 304. Translational screw; 305. Translational slider; 306. Translational tooth plate; 401. Rotating shaft; 402. Rotating gear; 403. Connecting block; 501. Guide slide groove; 502. Guide slider; 503. Guide slider; 504. Clamping block; 505. Clamping hole; 506. Stabilizing bracket; 507. Reset spring. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] See also Figure 1-Figure 7 The present invention provides an embodiment: a flexible photovoltaic bracket suitable for mountainous terrain, including a supporting base 1, a supporting pillar 4, a lifting support tube 2, a mounting bracket 3, a lifting component, a limiting component, a translation component, a stabilizing component and a transmission component; a lifting support tube 2 is arranged above the supporting pillar 4, the lifting support tube 2 is slidably connected to the supporting pillar 4, a lifting component is arranged inside the lifting support tube 2, a translation component is arranged above the lifting support tube 2, a mounting bracket 3 is arranged above the translation component, a transmission component is arranged on one side of the translation component, and a limiting component is arranged on the side wall of the supporting pillar 4.

[0032] See also Figure 2The lifting assembly includes a supporting side plate 101, an adjusting shaft 102 and an adjusting wheel 103; a supporting side plate 101 is arranged above the supporting pillar 4, and the supporting side plate 101 is provided with two groups, and an adjusting shaft 102 is arranged inside the supporting side plate 101, and an adjusting wheel 103 is arranged at one end of the adjusting shaft 102; by rotating the adjusting wheel 103, the adjusting gear 104 can be driven to rotate through the adjusting shaft 102; the lifting assembly also includes an adjusting gear 104 and an adjusting tooth plate 105; the inner wall of the lifting support tube 2 An adjusting tooth plate 105 is provided, and an adjusting gear 104 is provided on the side wall of the adjusting shaft 102, and the adjusting gear 104 is meshed with the adjusting tooth plate 105; the adjusting gear 104 can drive the supporting tube to be raised and lowered through the adjusting tooth plate 105, so as to achieve the effect of height adjustment; the limiting assembly includes a fixing block 201, a mounting hole 202, a mounting shaft 203, a limiting block 204 and a limiting plate 205; a fixing block 201 is provided on the side wall of the supporting side plate 101, and the fixing block 201 has an internal opening There is a mounting hole 202, and a mounting shaft 203 is arranged inside the mounting hole 202. A limit block 204 is arranged at one end of the mounting shaft 203, and a limit plate 205 is arranged on the side wall of the other supporting side plate 101. The limit plate 205 is connected with the limit block 204 in abutment with the adjustment gear 104. When adjusting the height, first, the limit plate 205 is rotated to adjust the rotation through the mounting shaft 203, and then the height is adjusted. The limit assembly also includes a volute spring 206; the mounting hole A spiral spring 206 is arranged inside 202, one end of the spiral spring 206 is fixedly connected to the inner wall of the mounting hole 202, and the other end of the spiral spring 206 is fixedly connected to the other end of the mounting shaft 203; when the height adjustment is completed, the limit plate 205 is released, and according to the rebound force generated by the elastic deformation of the spiral spring 206, the spiral spring 206 can drive the limit plate 205 to adjust and rotate and reset to the bottom of the adjusting gear 104 through the mounting shaft 203, so that the adjusting gear 104 can be resisted and limited.

[0033] See also Figure 3-Figure 7In this embodiment, the translation assembly includes a mounting block 301, a translation slide groove 302, a rotating wheel 303, and a translation screw 304; a mounting block 301 is arranged above the lifting support tube 2, a translation slide groove 302 is provided inside the mounting block 301, a translation screw 304 is provided inside the translation slide groove 302, and a rotating wheel 303 is provided at one end of the translation screw 304; the translation screw 304 can be driven to adjust and rotate by adjusting the rotating wheel 303; the translation assembly also includes a translation slider 305 and a translation tooth plate 306; a translation slider 305 is arranged on the side wall of the translation screw 304, the translation slider 305 is threadedly connected to the translation screw 304, and a translation tooth plate 306 is arranged on the side wall of the translation slider 305; The shift screw 304 can drive the translation gear plate 306 to adjust and move through the translation slider 305; the transmission assembly includes a rotating shaft 401, a rotating gear 402 and a connecting block 403; a connecting block 403 is provided on the bottom wall of the mounting bracket 3, and a rotating shaft 401 is provided inside the connecting block 403. Both ends of the rotating shaft 401 are rotatably connected to the inner wall of the connecting block 403, and a rotating gear 402 is provided on the side wall of the rotating shaft 401, and the rotating gear 402 is meshed with the translation gear plate 306; the translation gear plate 306 can drive the rotating shaft 401 to adjust and rotate through the rotating gear 402, and the rotating shaft 401 can drive the mounting bracket 3 to adjust and rotate through the connecting block 403, thereby achieving the effect of angle adjustment. ; The stabilizing component includes a guide slot 501, a guide slider 502, a guide slide bar 503, a clamping block 504 and a clamping hole 505; the support base 1 is provided with a guide slot 501 inside, and the guide slot 501 is provided with multiple groups. The guide slot 501 is provided with a guide slide bar 503 inside, and a guide slider 502 is provided on the side wall of the guide slide bar 503. The guide slider 502 is slidably connected with the guide slide bar 503. A clamping block 504 is provided above the guide slider 502, and a clamping hole 505 is provided on the bottom wall of the lifting support tube 2; when the lifting support tube 2 is adjusted to rise, the clamping block 504 is immediately separated from the clamping hole 505, and the guide slider 502 is adjusted and moved by the guide slide bar 503; the stabilizing component also includes There are a stabilizing bracket 506 and a return spring 507; a return spring 507 is arranged on the side wall of the guide slide bar 503, one end of the return spring 507 is fixedly connected to one side of the guide slider 502, and the other end of the return spring 507 is fixedly connected to the inner wall of the guide slide groove 501, and a stabilizing bracket 506 is arranged on the other side of the guide slider 502; and, according to the rebound force generated by the elastic deformation of the return spring 507, the return spring 507 can drive the guide slider 502 to adjust and move through the guide slide bar 503, and the guide slider 502 can drive the stabilizing bracket 506 to adjust and move, and through multiple groups of stabilizing brackets 506, the four sides of the support base 1 can be auxiliary supported, thereby improving the stabilizing support effect of the device.

[0034] When the flexible photovoltaic bracket is in use, when adjusting the height, first, the limit plate 205 is rotated to adjust the rotation through the installation shaft 203, and then, the adjusting wheel 103 can be rotated to drive the adjusting gear 104 to rotate through the adjusting shaft 102, and the adjusting gear 104 can drive the supporting tube to be raised and lowered through the adjusting tooth plate 105, so that the effect of height adjustment can be achieved;

[0035] When the height adjustment is completed, the limit plate 205 is released. According to the resilience generated by the elastic deformation of the scroll spring 206, the scroll spring 206 can drive the limit plate 205 to adjust and rotate and return to the bottom of the adjustment gear 104 through the mounting shaft 203, so as to resist and limit the adjustment gear 104.

[0036] When the lifting support tube 2 is adjusted to rise, the clamping block 504 is immediately separated from the clamping hole 505, and according to the resilience generated by the elastic deformation of the reset spring 507, the reset spring 507 can drive the guide slider 502 to adjust and move through the guide slide bar 503, and the guide slider 502 can drive the stable bracket 506 to adjust and move, and the multiple groups of stable brackets 506 can be used to provide auxiliary support for the surroundings of the support base 1, thereby improving the stable support effect of the device;

[0037] In addition, by adjusting the rotating wheel 303, the translation screw 304 can be driven to rotate and adjust, and the translation screw 304 can drive the translation gear plate 306 to move and adjust through the translation slider 305. The translation gear plate 306 can drive the rotating shaft 401 to rotate and adjust through the rotating gear 402. The rotating shaft 401 can drive the mounting bracket 3 to rotate and adjust through the connecting block 403, thereby achieving the effect of angle adjustment.

[0038] Through the above steps, when the flexible photovoltaic bracket is in use, the lifting support tube 2 can be driven to adjust and lift by adjusting the lifting component, and then the limit component is used to resist and limit, so as to achieve the effect of height adjustment. After the lifting support tube 2 is adjusted and raised, the stabilizing component can be used to assist in supporting the surroundings of the support base 1, thereby improving the stable support effect of the device. In addition, the transmission component can be driven to adjust and rotate by adjusting the translation component, and the transmission component can drive the support bracket to adjust and rotate, thereby achieving the effect of angle adjustment, thereby achieving the purpose of flexible adjustment and stable support.

[0039] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A flexible photovoltaic support suitable for mountainous terrain, comprising a support base (1); characterized in that: It also includes a supporting pillar (4), a lifting support tube (2), a mounting bracket (3), a lifting assembly, a limiting assembly, a translation assembly, a stabilizing assembly and a transmission assembly; a lifting support tube (2) is arranged above the supporting pillar (4), the lifting support tube (2) is slidably connected to the supporting pillar (4), a lifting assembly is arranged inside the lifting support tube (2), a translation assembly is arranged above the lifting support tube (2), a mounting bracket (3) is arranged above the translation assembly, a transmission assembly is arranged on one side of the translation assembly, and a limiting assembly is arranged on the side wall of the supporting pillar (4).

2. A flexible photovoltaic bracket suitable for mountainous terrain according to claim 1, characterized in that: The lifting assembly comprises a supporting side plate (101), an adjusting shaft (102) and an adjusting wheel (103); a supporting side plate (101) is arranged above the supporting pillar (4), two groups of supporting side plates (101) are arranged, an adjusting shaft (102) is arranged inside the supporting side plate (101), and an adjusting wheel (103) is arranged at one end of the adjusting shaft (102).

3. The flexible photovoltaic bracket suitable for mountainous terrain according to claim 1, characterized in that: The lifting assembly also includes an adjusting gear (104) and an adjusting tooth plate (105); the adjusting tooth plate (105) is arranged on the inner wall of the lifting support tube (2), the adjusting gear (104) is arranged on the side wall of the adjusting shaft (102), and the adjusting gear (104) is meshed with the adjusting tooth plate (105).

4. The flexible photovoltaic support suitable for mountainous terrain according to claim 2, characterized in that: The limiting assembly comprises a fixing block (201), a mounting hole (202), a mounting shaft (203), a limiting block (204) and a limiting plate (205); the fixing block (201) is arranged on the side wall of the supporting side plate (101), the fixing block (201) is provided with a mounting hole (202) inside, the mounting hole (202) is provided with a mounting shaft (203) inside, a limiting block (204) is arranged at one end of the mounting shaft (203), a limiting plate (205) is arranged on the side wall of the other supporting side plate (101), the limiting plate (205) is connected to the limiting block (204) in abutment with each other, and the limiting plate (205) is connected to the adjusting gear (104) in abutment with each other.

5. The flexible photovoltaic support suitable for mountainous terrain according to claim 4, characterized in that: The limiting assembly also includes a volute spring (206); a volute spring (206) is arranged inside the mounting hole (202), one end of the volute spring (206) is fixedly connected to the inner wall of the mounting hole (202), and the other end of the volute spring (206) is fixedly connected to the other end of the mounting shaft (203).

6. The flexible photovoltaic support suitable for mountainous terrain according to claim 4, characterized in that: The translation assembly comprises a mounting block (301), a translation slide groove (302), a rotating wheel (303) and a translation screw (304); the mounting block (301) is arranged above the lifting support tube (2), the interior of the mounting block (301) is provided with a translation slide groove (302), the interior of the translation slide groove (302) is provided with a translation screw (304), and one end of the translation screw (304) is provided with a rotating wheel (303).

7. A flexible photovoltaic support suitable for mountainous terrain according to claim 6, characterized in that: The translation assembly also includes a translation slider (305) and a translation tooth plate (306); the translation slider (305) is arranged on the side wall of the translation screw (304), the translation slider (305) is threadedly connected to the translation screw (304), and the translation tooth plate (306) is arranged on the side wall of the translation slider (305).

8. The flexible photovoltaic support suitable for mountainous terrain according to claim 6, characterized in that: The transmission assembly comprises a rotating shaft (401), a rotating gear (402) and a connecting block (403); the connecting block (403) is arranged on the bottom wall of the mounting bracket (3), the rotating shaft (401) is arranged inside the connecting block (403), both ends of the rotating shaft (401) are rotatably connected to the inner wall of the connecting block (403), the rotating gear (402) is arranged on the side wall of the rotating shaft (401), and the rotating gear (402) is meshed with the translation tooth plate (306).

9. The flexible photovoltaic support suitable for mountainous terrain according to claim 8, characterized in that: The stabilizing component comprises a guide slide groove (501), a guide slider (502), a guide slide bar (503), a clamping block (504) and a clamping hole (505); the support base (1) is provided with a guide slide groove (501), the guide slide groove (501) is provided with a plurality of groups, the guide slide bar (503) is provided inside the guide slide groove (501), the guide slide groove (502) is provided on the side wall of the guide slide bar (503), the guide slide bar (502) is slidably connected with the guide slide bar (503), the upper part of the guide slide bar (502) is provided with a clamping block (504), and the bottom wall of the lifting support tube (2) is provided with a clamping hole (505).

10. The flexible photovoltaic support suitable for mountainous terrain according to claim 9, characterized in that: The stabilizing component also includes a stabilizing bracket (506) and a return spring (507); a return spring (507) is arranged on the side wall of the guide slide bar (503), one end of the return spring (507) is fixedly connected to one side of the guide slide block (502), the other end of the return spring (507) is fixedly connected to the inner wall of the guide slide groove (501), and a stabilizing bracket (506) is arranged on the other side of the guide slide block (502).

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