CN109984452B

CN109984452B - Outdoor artistic creation auxiliary apparatus

Info

Publication number: CN109984452B
Application number: CN201910224242.1A
Authority: CN
Inventors: 杨尧
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2021-02-26
Anticipated expiration: 2039-03-22
Also published as: CN109984452A

Abstract

The invention discloses an auxiliary instrument for outdoor artistic creation, which comprises a main carrier A, a folding assembly B, a locking assembly C and a head power-assisted assembly D, wherein the main carrier A comprises an arc-shaped waist plate, a main plate, a first bent plate and a second bent plate, the first bent plate and the second bent plate are symmetrically arranged at the upper part of the main plate, the positions of the first bent plate and the second bent plate correspond to the shoulders of a human body, a first pasting group and a second pasting group are respectively arranged on the first bent plate and the second bent plate, and the arc-shaped waist plate is arranged at the position of the main plate corresponding to the waist of the human body. The folding assembly and the wheel set can bear part of weight, can be dragged to move forward, relieve cervical vertebra fatigue, reduce labor intensity of operators, can drink water and clean stones at any time, have rich functions, and are particularly suitable for field stone-washing personnel.

Description

Outdoor artistic creation auxiliary apparatus

Technical Field

The invention relates to an outdoor artistic creation auxiliary instrument.

Background

Along with the improvement of living standard and comprehensive quality of people, the rest of work faces to the nature and is close to the nature; when the stone is used for field tourism, mountaineering and wading are performed, stone is too detected and removed in the field, favorite stones are removed, beautiful stones are often hidden in soil, the appearance of the beautiful stones is different from that of common stones, but the real surface of the beautiful stones cannot be seen when the beautiful stones are not sprayed with water; furthermore, people who do not drink water for a long time can cause dizziness, and water in the nature cannot be drunk easily; when the head is always low in the treasure searching process, the cervical vertebra problem is easily caused; and the road is far away, and the stone can bear for a moment, has long-term difficult strength not enough, and present package most all is the knapsack, can only carry on one's back and can not share weight, can not prevent to alleviate cervical vertebra fatigue yet.

Disclosure of Invention

The invention aims to provide an auxiliary instrument for outdoor artistic creation, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an outdoor artistic creation auxiliary instrument comprises a main carrier A, a folding assembly B, a locking assembly C and a head power assisting assembly D, wherein the main carrier A comprises an arc-shaped waist plate, a main plate, a first bent plate and a second bent plate, the first bent plate and the second bent plate are symmetrically arranged at the upper part of the main plate, the positions of the first bent plate and the second bent plate correspond to shoulders of a human body, a first pasting group and a second pasting group are respectively arranged on the first bent plate and the second bent plate, the arc-shaped waist plate is arranged at the position of the main plate corresponding to the waist of the human body, two side positions of the arc-shaped waist plate are respectively provided with a first thread gluing and a first pasting thread gluing, and the arc-shaped waist plate is provided with a crutch card for fixing a crutch; the upper portion of the main carrier A is connected with the head power assisting assembly D through a support plate, the lower portion of the main carrier A is connected with the folding assembly B through a second shaft, a locking assembly C is arranged on the first bending plate, and the folding assembly B is controlled by the locking assembly C.

As a further scheme of the invention: the folding component B comprises a first connecting rod, a second connecting rod, a flexible net, a first air cylinder and a second air cylinder, the top of the first connecting rod is hinged with a second support fixed on the arc waist plate through a third shaft, the bottom of the first connecting rod is hinged with the second connecting rod through a fifth shaft, a third support is installed at one side position of the first connecting rod, the third support is connected with the output end of the first air cylinder through a fourteenth shaft, the first air cylinder is installed on the first support through the second shaft, the first support is fixed on the arc waist plate, the first connecting rod is also provided with a fourth support at the position opposite to the third support, the fourth support is provided with a second air cylinder through a fourth shaft, the output end of the second air cylinder is connected with the fifth support through a sixth shaft, the fifth support is fixed on the second connecting rod, the top of the second connecting rod is also provided with a locking clamp, the bottom end of the second connecting rod is fixedly connected with a ninth shaft, the baffle is arranged on the second connecting rod, a bottom plate perpendicular to the baffle is fixed on the baffle, two movable rods are hinged to the bottom plate through eleven shafts, and flexible nets are arranged between the movable rods and the baffle.

As a still further scheme of the invention: the structure composition of the first wheel set E and the second wheel set E are the same, the first wheel set E comprises a first wheel, a second wheel, a third wheel and a wheel frame, the first wheel, the second wheel and the third wheel are respectively arranged on the wheel frame through a seventh shaft, an eighth shaft and a tenth shaft, and included angles among the first wheel, the second wheel and the third wheel are all 120 degrees.

As a still further scheme of the invention: head helping hand subassembly D includes umbrella, spray gun, mineral water bottle, the pipe that absorbs water, cell phone stand, binding nail, shunt and elasticity arc board, the upper portion and the shunt of extension board are connected, and the side position of shunt is connected through the stalk portion position of fixing clip with fixed umbrella, and the anterior elasticity arc board of installing of shunt still is fixed with the cell phone stand that is used for the centre gripping cell-phone on the elasticity arc board, is equipped with the binding nail that is used for fastening the cell-phone on the cell phone stand, and the top of shunt is revolved and is fixed with the mineral water bottle, and the sub-unit connection of shunt has the pipe that absorbs water and the pipe two that absorb water, wherein installs the rivers switch on the pipe that absorbs water.

As a still further scheme of the invention: the locking component C comprises a first steel wire transmission group, a second steel wire transmission group, a steel wire rope clamp, a lock head and a steel wire rope, the first steel wire transmission group comprises a first vertical plate, a second vertical plate, a first shaft, a first grooved pulley, a third vertical plate and a first bottom plate, the first bottom plate is fixed on the first bent plate, the second vertical plate and the third vertical plate are vertically fixed on the first bottom plate, the first grooved pulley is connected on the second vertical plate through the first shaft, the central line of the first shaft is vertical to the central lines of the first vertical plate and the third vertical plate, the central line of the first shaft is parallel to the first bottom plate, the second steel wire transmission group has the same structure as the first steel wire transmission group, both the first vertical plate and the second steel wire transmission group are fixed on the first bent plate, a fourth vertical plate fixedly connected on the first bent plate is further arranged between the second steel wire transmission group and the first steel wire transmission group, the fourth vertical plate is connected with the second grooved, the lock head is hinged with the support through a shaft thirteen, and the axis of the shaft thirteen is parallel to the axis of the shaft I; and the sixth support is fixedly connected with the first bent plate.

As a still further scheme of the invention: and a soft cushion is fixed on the inner wall of the elastic arc plate.

As a still further scheme of the invention: the lower part of the lock head is provided with a first hanging ring, the lower part of the support six is provided with a second hanging ring which is fixedly connected with the first bent plate, one end of the spring is hung on the second hanging ring, and the other end of the spring is driven on the first hanging ring.

Compared with the prior art, the invention has the beneficial effects that: the folding assembly and the wheel set can bear part of weight, can be dragged to move forward, relieve cervical vertebra fatigue, reduce labor intensity of operators, can drink water and clean stones at any time, have rich functions, and are particularly suitable for field stone-washing personnel.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is an enlarged view of FIG. 1 (I) according to the present invention;

FIG. 4 is an enlarged view of FIG. 1 (J) according to the present invention;

FIG. 5 is a schematic view of the present invention in a folded use state;

fig. 6 is a schematic view of the present invention in an expanded use state.

In the figure: 1-umbrella; 2-a spray gun; 3-mineral water bottle; 4-a suction pipe; 5-a mobile phone support; 6, a first screw; 7-a handle; 8, arranging a first vertical plate; 9-standing the plate II; 10-axis one; 11-sheave one; 12-standing a plate III; 13-a first bottom plate; 14-paste group one; 15-sticking a first thread; 16-arc waist plate; 17-shaft two; 18-support one; 19-support II; 20-axis three; 21-connecting rod one; 22-axis fourteen; 23-support III; 24-support four; 25-axis four; 26-axis five; 27-Axis six; 28-support five; 29-link two; 30-a flexible mesh; 31-round one; 32-Axis seven; 33-round two; 34-axis eight; 35-axis nine; 36-round three; 37-axis ten; 38-wheel carrier; 39-a base plate; 40-axis eleven; 41-a movable rod; 42-vertical plate four; 43-Axis twelve; 44-sheave two; 45-steel wire transmission group II; 46-wire rope clamps; 47-a lock head; 48-axis thirteen; 49-hanging ring one; 50-hanging ring II; 51-paste group two; 52-sticking and buckling one; 53-a crutch; 54-cylinder one; 55-a steel wire rope; 56-support six; 57-a spring; 58-cylinder two; 59-crutch card; 60-wheel set two; 61-a baffle; 62-locking the card; 63-a support plate; 64-a flow divider; 65-elastic arc plate; 66-a soft cushion; 67-main board; 68-bending the first plate; 69-bending a second plate; a-a host vector; b-a folding assembly; c-a locking assembly; d-a head assist assembly; e-wheel set one.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, an auxiliary apparatus for outdoor artistic creation includes a main carrier a, a folding assembly B, a locking assembly C and a head power assisting assembly D, the main carrier a includes an arc-shaped waist plate 16, a main plate 67, a first bending plate 68 and a second bending plate 69, the first bending plate 68 and the second bending plate 69 are symmetrically disposed at an upper position of the main plate 67, positions of the first bending plate 68 and the second bending plate 69 correspond to shoulders of a human body, the first bending plate 68 and the second bending plate 69 are respectively provided with a first adhesive group 14 and a second adhesive group 51, the first adhesive group 14 and the second adhesive group 51 are used for fixedly connecting the first bending plate 68 and the second bending plate 69 to the shoulders, the main plate 67 is provided with the arc-shaped waist plate 16 at a position corresponding to the waist of the human body, positions on two sides of the arc-shaped waist plate 16 are respectively provided with a first adhesive fastener 15 and a first adhesive fastener 52 for fixing the arc-shaped waist plate 16 to the waist of the human body, the arc-shaped waist plate 16 is provided, the crutch 53 is convenient to mount and fix; the upper part of the main carrier A is connected with the head power assisting assembly D through a support plate 63, the lower part of the main carrier A is connected with the folding assembly B through a second shaft 17, a locking assembly C is arranged on the first bending plate 68, and the folding assembly B is controlled to be folded or unfolded by the locking assembly C.

The folding assembly B comprises a first connecting rod 21, a second connecting rod 29, a flexible net 30, a first air cylinder 54 and a second air cylinder 58, the top of the first connecting rod 21 is hinged with a second support 19 fixed on the arc-shaped waist plate 16 through a third shaft 20, the bottom of the first connecting rod 21 is hinged with the second connecting rod 29 through a fifth shaft 26, a third support 23 is installed at one side of the first connecting rod 21, the third support 23 is connected with the output end of the first air cylinder 54 through a fourteen shaft 22, the first air cylinder 54 is installed on a first support 18 through a second shaft 17, the first support 18 is fixed on the arc-shaped waist plate 16, when the first air cylinder 54 outputs power, the first connecting rod 21 can be driven to deflect angularly, a fourth support 4 is further installed at the position of the opposite side of the third support 23 on the first connecting rod 21, the second air cylinder 58 is installed on the fourth support 4 through a fourth shaft 25, the output end of the second air cylinder 58 is connected with a, the top of the second connecting rod 29 is also provided with a lock 62, the bottom end of the second connecting rod 29 is fixedly connected with the second shaft nine 35, the axis of the second shaft nine 35 is perpendicular to the axis of the second connecting rod 29, the two ends of the second shaft nine 35 are respectively provided with a first wheel set E and a second wheel set 60, the second connecting rod 29 is provided with a baffle 61, the baffle 61 is fixedly provided with a bottom plate 39 perpendicular to the baffle 61, the bottom plate 39 is provided with two movable rods 41 which are hinged through an eleventh shaft 40, and the two movable rods 41 and the baffle 61 are both provided with flexible nets 30 therebetween to form a storage space for storing articles.

The structure of the first wheel set E is the same as that of the second wheel set 60, the first wheel set E comprises a first wheel 31, a second wheel 33, a third wheel 36 and a wheel frame 38, the first wheel 31, the second wheel 33 and the third wheel 36 are respectively installed on the wheel frame 38 through a seventh shaft 32, an eighth shaft 34 and a tenth shaft 37, included angles among the first wheel 31, the second wheel 33 and the third wheel 36 are 120 degrees, and the folding component B can bear weight when being extended, is convenient for dragging and walking and saves labor.

The head power-assisted assembly D comprises an umbrella 1, a spray gun 2, a mineral water bottle 3, a water suction pipe 4, a mobile phone support 5, fastening nails 6, a flow divider 64, an elastic arc plate 65 and a cushion 66, wherein the upper part of the support plate 63 is connected with the flow divider 64, the side position of the flow divider 64 is connected with the handle part of the fixed umbrella 1 through a fixing clamp, the fixed umbrella 1 is used for shielding rain and sun, the elastic arc plate 65 is installed at the front part of the flow divider 64, the cushion 66 is fixed on the inner wall of the elastic arc plate 65 and can ensure comfort when contacting with the head of a human body, the mobile phone support 5 used for clamping the mobile phone is further fixed on the elastic arc plate 65, the fastening nails 6 used for fastening the mobile phone are arranged on the mobile phone support 5, the mobile phone can be fixed, particularly, when the mobile phone is used for recording or navigating, the mobile phone does not need to hold the mobile phone, the lower part of the flow divider 64 is connected with a water suction pipe 4 and a water suction pipe II, wherein a water flow switch is arranged on the water suction pipe 4, and the end part of the water suction pipe II is connected with a spray gun 2, so that the stone can be conveniently cleaned.

The locking assembly C comprises a first steel wire transmission set, a second steel wire transmission set 45, a steel wire rope clamp 46, a lock 47, a steel wire rope 55 and a spring 57, the first steel wire transmission set comprises a first vertical plate 8, a second vertical plate 9, a first shaft 10, a first sheave 11, a third vertical plate 12 and a first bottom plate 13, the first bottom plate 13 is fixed on a first bent plate 68, the second vertical plate 9 and the third vertical plate 12 are vertically fixed on the first bottom plate 13, the first vertical plate 9 is connected with the first sheave 11 through the first shaft 10, the central line of the first shaft 10 is vertical to the central lines of the first vertical plate 8 and the third vertical plate 12, the central line of the first shaft 10 is parallel to the first bottom plate 13, the second steel wire transmission set 45 has the same structure as the first steel wire transmission set and is fixed on the first bent plate 68, a fourth vertical plate 42 fixedly connected on the first bent plate 68 is further arranged between the second steel wire transmission set 45 and the first steel wire transmission set, the, one end of a steel wire rope 55 is connected with the handle 7, the other end of the steel wire rope 55 crosses over the first sheave 11 and the second sheave 44 and then is connected with a lock head 47 through a steel wire rope clamp 46, the lock head 47 is hinged with a support six 56 through a shaft thirteen 48, and the axis of the shaft thirteen 48 is parallel to the axis of the shaft one 10; the support six 56 is fixedly connected with the bent plate I68, the lower part of the lock head 47 is provided with a hanging ring I49, the lower part of the support six 56 is provided with a hanging ring II 50 and is fixedly connected with the bent plate I68, one end of the spring 57 is hung on the hanging ring II 50, the other end of the spring 57 is driven to the hanging ring I49, the handle 7 in the locking assembly C is pulled, then the lock head 47 is driven, after the lock clamp 62 in the folded folding assembly B enters the bayonet range of the lock head 47, the handle 7 is released, and at the moment, the lock clamp 62 is clamped by the lock head 47 under the action of the spring 57; the entire device can now be lifted off.

The working principle of the invention is as follows: when in use, the first bent plate 68 and the second bent plate 69 in the main carrier A are hung on the shoulders, and then the first adhesive group 14, the second adhesive group 51, the first adhesive buckle 15 and the first adhesive buckle 52 are adhered; the folding component B is unfolded when in use; when the folding assembly B is not used, the folding assembly B squats down, the folding assembly B is folded under the action of the first air cylinder 54 and the second air cylinder 58 in an assisting mode, then the handle 7 in the locking assembly C is pulled, the lock head 47 is driven, after the lock clamp 62 in the folded folding assembly B enters the bayonet range of the lock head 47, the handle 7 is released, and at the moment, the lock head 47 clamps the lock clamp 62 under the action of the spring 57; the entire device can now be lifted off.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An outdoor artistic creation auxiliary apparatus comprises a main carrier (A), a folding component (B), a locking component (C) and a head power assisting component (D), it is characterized in that the main carrier (A) comprises an arc waist board (16), a main board (67), a first bent board (68) and a second bent board (69), the first bent plate (68) and the second bent plate (69) are symmetrically arranged at the upper part of the main plate (67), the positions of the first bent plate (68) and the second bent plate (69) correspond to the shoulders of a human body, a first pasting group (14) and a second pasting group (51) are respectively installed on the first bent plate (68) and the second bent plate (69), an arc-shaped waist plate (16) is installed at the position, corresponding to the waist of the human body, of the main plate (67), two side positions of the arc-shaped waist plate (16) are respectively provided with a first sticking buckle (15) and a first sticking buckle (52), and a crutch card (59) for fixing a crutch (53) is arranged on the arc-shaped waist plate (16); the upper part of the main carrier (A) is connected with the head power-assisted assembly (D) through a support plate (63), the lower part of the main carrier (A) is connected with the folding assembly (B) through a second shaft (17), the first bending plate (68) is provided with a locking assembly (C), and the folding assembly (B) is controlled by the locking assembly (C); when in use, the first bent plate (68) and the second bent plate (69) in the main carrier (A) are hung on the shoulders, then the first pasting group (14) is tightly pasted, the second pasting group (51) is tightly pasted, and the first sticking buckle (15) and the first sticking buckle (52) are pasted; the folding component (B) comprises a first connecting rod (21), a second connecting rod (29), a flexible net (30), a first air cylinder (54) and a second air cylinder (58), the top of the first connecting rod (21) is hinged with a second support (19) fixed on the arc-shaped waist plate (16) through a third shaft (20), the bottom of the first connecting rod (21) is hinged with the second connecting rod (29) through a fifth shaft (26), a third support (23) is installed at one side of the first connecting rod (21), the third support (23) is connected with the output end of the first air cylinder (54) through a fourteenth shaft (22), the first air cylinder (54) is installed on the first support (18) through a second shaft (17), the first support (18) is fixed on the arc-shaped waist plate (16), a fourth support (24) is further installed at the position, opposite to the third support (23), the second air cylinder (58) is installed on the fourth support (24) through the fourth shaft (25), the output end of the cylinder II (58) is connected with the support fifth (28) through a shaft sixth (27), the support fifth (28) is fixed on the connecting rod II (29), the top of the connecting rod II (29) is further provided with a locking clamp (62), the bottom end of the connecting rod II (29) is fixedly connected with the shaft ninth (35), the axis of the shaft ninth (35) is perpendicular to the axis of the connecting rod II (29), two ends of the shaft ninth (35) are respectively provided with a wheel set I (E) and a wheel set II (60), the connecting rod II (29) is provided with a baffle plate (61), the baffle plate (61) is fixedly provided with a bottom plate (39) perpendicular to the baffle plate, the bottom plate (39) is hinged with two movable rods (41) through a shaft eleventh (40), and flexible nets (30) are arranged between the two movable rods (41) and between the movable rods (41) and the baffle plate (61; the folding component (B) is unfolded when in use; when the folding assembly is not used, the folding assembly (B) is folded under the action of the first air cylinder (54) and the second air cylinder (58) in an assisting mode, then the handle (7) in the locking assembly (C) is pulled, then the lock head (47) is driven, after the lock clamp (62) in the folded folding assembly (B) enters the bayonet range of the lock head (47), the handle (7) is loosened, and at the moment, the lock head (47) clamps the lock clamp (62) under the action of the spring (57); the entire device can now be lifted off.

2. The outdoor artistic creation auxiliary instrument as claimed in claim 1, wherein the structural composition of the first wheel set (E) and the second wheel set (60) are the same, the first wheel set (E) comprises a first wheel (31), a second wheel (33), a third wheel (36) and a wheel frame (38), the first wheel (31), the second wheel (33) and the third wheel (36) are respectively installed on the wheel frame (38) through a seventh shaft (32), an eighth shaft (34) and a tenth shaft (37), and the included angles among the first wheel (31), the second wheel (33) and the third wheel (36) are all 120 degrees.

3. The outdoor artistic creation auxiliary instrument according to claim 1, wherein the head power assisting assembly (D) comprises an umbrella (1), a spray gun (2), a mineral water bottle (3), a water suction pipe (4), a mobile phone bracket (5), a fastening nail (6), a flow divider (64) and an elastic arc plate (65), the upper part of the support plate (63) is connected with the flow divider (64), the side position of the flow divider (64) is connected with the handle position of the fixed umbrella (1) through a fixing clip, the front part of the flow divider (64) is provided with the elastic arc plate (65), the elastic arc plate (65) is further fixed with the mobile phone bracket (5) for clamping the mobile phone, the fastening nail (6) for fastening the mobile phone is arranged on the mobile phone bracket (5), the top part of the flow divider (64) is screwed and fixed with the mineral water bottle (3), the lower part of the flow divider (64) is connected with the water suction pipe (4) and a water, wherein the water suction pipe (4) is provided with a water flow switch, and the end part of the water suction pipe II is connected with a spray gun (2).

4. The outdoor artistic creation auxiliary instrument as claimed in claim 1, wherein the locking assembly (C) comprises a first steel wire transmission set, a second steel wire transmission set (45), a steel wire rope clip (46), a lock head (47) and a steel wire rope (55), the first steel wire transmission set comprises a first vertical plate (8), a second vertical plate (9), a first shaft (10), a first grooved pulley (11), a third vertical plate (12) and a first bottom plate (13), the first bottom plate (13) is fixed on the first bent plate (68), the second vertical plate (9) and the third vertical plate (12) are vertically fixed on the first bottom plate (13), the first grooved pulley (11) is connected on the second vertical plate (9) through the first shaft (10), the central line of the first shaft (10) is perpendicular to the central lines of the first vertical plate (8) and the third vertical plate (12), the central line of the first shaft (10) is parallel to the first bottom plate (13), and the second steel wire transmission set (45) has the same structure as the first steel wire transmission set, the two are fixed on a first bent plate (68), a fourth vertical plate (42) fixedly connected to the first bent plate (68) is further arranged between a second steel wire transmission group (45) and the first steel wire transmission group, the fourth vertical plate (42) is connected with a second grooved pulley (44) through a shaft twelve (43), one end of a steel wire rope (55) is connected with a handle (7), the other end of the steel wire rope (55) crosses over the first grooved pulley (11) and the second grooved pulley (44) and then is connected with a lock head (47) through a steel wire rope clamp (46), the lock head (47) is hinged with a sixth support (56) through a thirteen shaft (48), and the axis of the thirteen shaft (48) is parallel to the axis of the first shaft (10); the support six (56) is fixedly connected with the bent plate one (68).

5. An outdoor artistic creation auxiliary apparatus as claimed in claim 3, wherein a soft cushion (66) is fixed on the inner wall of said elastic arc plate (65).

6. The outdoor artistic creation auxiliary instrument as claimed in claim 4, wherein a first hanging ring (49) is arranged at the lower part of the lock head (47), a second hanging ring (50) is arranged at the lower part of the support six (56) and is fixedly connected with a first bent plate (68), one end of the spring (57) is hung on the second hanging ring (50), and the other end of the spring is hung on the first hanging ring (49).