CN113600488B

CN113600488B - A hot pepper sorting unit for processing of peppery strip

Info

Publication number: CN113600488B
Application number: CN202110771805.6A
Authority: CN
Inventors: 张华�; 任其红
Original assignee: Hanshan Changtong Food Manufacturing Co ltd
Current assignee: Hanshan Changtong Food Manufacturing Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-09-30
Anticipated expiration: 2041-07-08
Also published as: CN113600488A

Abstract

The invention discloses a hot pepper sorting device for processing hot pepper strips, which belongs to the technical field of hot pepper sorting devices and comprises a bottom plate, wherein a material guide channel is fixedly arranged at the upper end of one side of the bottom plate, a feed hopper is integrally formed at the top end of the material guide channel, an adjusting mechanism matched with the feed hopper for use is arranged on the material guide channel, two groups of fans matched with the adjusting mechanism for use are arranged on one side of the material guide channel, the two groups of fans are symmetrically clamped on the material guide channel, and a discharging pipeline matched with the fans for use is communicated with the other side of the material guide channel. When the gag lever post slided to the annular groove in from the spacing inslot, the rotatable runner of user to drive gear revolve through the pull rod, and then drive two sets of L type defeated flitchs through two sets of racks and do the opposite direction motion, thereby realized the purpose of convenient regulation two sets of L type defeated flitchs between the interval, and then can control the speed and the quantity that the hot pepper that treats the screening drops, thereby be convenient for clear up its inside doped hot pepper leaf.

Description

A hot pepper sorting unit for peppery strip processing

Technical Field

The invention relates to the technical field of pepper sorting devices, in particular to a pepper sorting device for processing peppery strips.

Background

The spicy strip is a kind of snack, also called as big gluten, vegetarian beef tendon, etc., and is a kind of food made of wheat flour or other grains and beans as main raw materials, and the spicy strip contains a large amount of food additives (more than ten kinds, twenty kinds).

Need use a large amount of peppers during peppery strip preparation, nevertheless the hot pepper can make its inside doping have a large amount of hot pepper leaves at picking in-process such as transportation, hot pepper branch and granular impurity, consequently need filter the edulcoration processing to it before using, the hot pepper sorting unit who nevertheless uses of current peppery strip processing still has certain not enough, speed and the quantity of dropping of hot pepper if current hot pepper sorting unit can't adjust, thereby be not convenient for going on of follow-up edulcoration clearance operation, and current hot pepper sorting unit is the most hot pepper leaf that can't be simultaneously with hot pepper inside doping, hot pepper branch and granular impurity disposable clearance fall, need clear up the edulcoration operation many times, and then brought a great deal of inconvenience.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a hot pepper sorting device for processing hot pepper strips, which comprises a bottom plate, wherein a material guide channel is fixedly installed at the upper end of one side of the bottom plate, a feed hopper is integrally formed at the top end of the material guide channel, an adjusting mechanism matched with the feed hopper is arranged on the material guide channel, fans matched with the adjusting mechanism are arranged on one side of the material guide channel, the two groups of fans are symmetrically clamped on the material guide channel, a discharging pipeline matched with the fans is communicated with the other side of the material guide channel, a vibrating mechanism is arranged on the bottom plate, a first screening mechanism is arranged at the top end of the vibrating mechanism, and a second screening mechanism matched with the first screening mechanism is arranged on one side of the vibrating mechanism.

Preferably, adjustment mechanism includes defeated flitch of L type and first sleeve, the defeated flitch of L type is provided with two sets ofly, and slides and insert and establish on the guide passageway, the inboard lower extreme fixed mounting of feeder hopper has the stock guide with the defeated flitch cooperation of L type is used, the stock guide is provided with two sets ofly, and is the slope structure, the one end of the defeated flitch of L type runs through the guide passageway and is equipped with the rack in its one side, the rack is provided with two sets ofly, and the slip card is established on the guide passageway, first telescopic one end and guide passageway fixed connection, and the other end of first sleeve rotates and installs the gear, the gear meshes with the rack mutually.

Preferably, adjustment mechanism still includes the second sleeve, telescopic one end of second and guide passageway fixed connection, and second sleeve fixed mounting is in first telescopic inboard, the slip card is equipped with the connection pad in the telescopic inner chamber of second, one side of connection pad is equipped with first spring, the one end and the guide passageway fixed connection of first spring, the opposite side of connection pad is rotated and is installed the carousel, integrated into one piece has the gag lever post of array distribution on the carousel, annular groove and spacing groove that use with the gag lever post cooperation are seted up to telescopic inner chamber one side of second, annular groove is linked together with the spacing groove, and the gag lever post can slip the card and establish in annular groove and spacing groove, one side of carousel is equipped with the pull rod, the pull rod slides and runs through the gear and is equipped with the runner at its end.

Preferably, the vibration mechanism comprises a vertical rod, the vertical rod is provided with four groups, the vertical rod is fixedly installed on a bottom plate, a lantern ring is fixedly sleeved on the vertical rod, a second spring is arranged on one side of the lantern ring, the second spring is movably sleeved on the vertical rod, a T-shaped plate is fixedly installed at one end of each of the four groups of second springs, the T-shaped plate is slidably inserted on the vertical rod, a motor is fixedly installed at the upper end of the T-shaped plate, a main synchronizing wheel is fixedly sleeved on the outer side of the output end of the motor, a rotating rod is rotatably inserted on the T-shaped plate, an auxiliary synchronizing wheel is fixedly sleeved on the rotating rod, a synchronous belt is meshed with the outer side of the main synchronizing wheel, symmetrically-arranged rotating rings are fixedly sleeved at two ends of the rotating rod, special-shaped blocks are fixedly installed on the rotating rings, connecting blocks are fixedly installed at the top ends of the four groups of vertical rods, four groups of third springs are arranged around the bottom end of the connecting blocks, the third spring is movably sleeved on the vertical rod, and one end of the third spring is fixedly connected with the T-shaped plate.

Preferably, first screening mechanism is including connecing the material frame, connect the bottom and the connecting block fixed connection of material frame, and connect the inboard one end fixed mounting of material frame to have a triangle-shaped baffle, the one side intercommunication of connecing the material frame is equipped with the play hopper that uses with the cooperation of triangle-shaped baffle, the upper end fixed mounting who connects the material frame has the screening frame, the one end of screening frame is located the below of guide passageway, and runs through on the screening frame and seted up the multiunit sieve mesh.

Preferably, the second screening mechanism includes the arc reel, arc reel and connecting block and screening frame fixed connection, the arc reel sets up to the slope structure, and the one end of screening frame is located the top of arc reel, the inboard fixed mounting of arc reel has multiunit arc limiting plate, and rotates on the arc reel to install the arc that uses with the cooperation of arc limiting plate and change the board.

Preferably, the last fixed mounting of arc type reel has the head rod of symmetry setting, the one end of head rod is rotated and is installed electric telescopic handle, electric telescopic handle's one end is rotated and is installed the second connecting rod, the one end and the arc type of second connecting rod change board fixed connection.

The invention can control the falling speed and quantity of the peppers to be screened, thereby being convenient for cleaning the pepper leaves doped in the peppers.

The invention can be used for primarily screening the peppers to be screened, thereby providing convenience for cleaning the granular impurities doped in the peppers.

Drawings

Fig. 1 is a schematic structural diagram of a pepper sorting device for processing peppery strips according to an embodiment of the present invention.

Fig. 2 is another schematic structural diagram of a pepper sorting device for processing peppery strips according to an embodiment of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is an enlarged structural view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view showing the internal structure of a material guiding passage according to the present invention;

FIG. 6 is an enlarged structural view of the structure at B in FIG. 5 according to the present invention;

FIG. 7 is an enlarged structural view of the structure at C in FIG. 6 according to the present invention;

FIG. 8 is a schematic view of a connection structure of the vibrating mechanism and the first screening mechanism according to the present invention;

fig. 9 is an enlarged structural view of the structure at D in fig. 8 according to the present invention.

Description of reference numerals: 1. a base plate; 2. a material guide channel; 21. a feed hopper; 22. a discharge conduit; 23. a material guide plate; 3. an adjustment mechanism; 31. an L-shaped material conveying plate; 32. a first sleeve; 33. a rack; 34. a gear; 35. a second sleeve; 36. a connecting disc; 37. a first spring; 38. a turntable; 39. a limiting rod; 310. an annular groove; 311. a limiting groove; 312. a pull rod; 313. a rotating wheel; 4. a fan; 5. a vibration mechanism; 51. a vertical rod; 52. a collar; 53. a second spring; 54. a T-shaped plate; 55. a motor; 56. a main synchronizing wheel; 57. a rotating rod; 58. a secondary synchronizing wheel; 59. a synchronous belt; 510. rotating the ring; 511. a special-shaped block; 512. connecting blocks; 513. a third spring; 6. a first screening mechanism; 61. a material receiving frame; 62. a triangular guide plate; 63. a discharge hopper; 64. screening frames; 65. screening holes; 7. a second screening mechanism; 71. an arc-shaped screen frame; 72. an arc-shaped limiting plate; 73. an arc-shaped rotating plate; 74. a first connecting rod; 75. an electric telescopic rod; 76. a second connecting rod.

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.

Example (b): as shown in fig. 1 to 9, the invention provides a pepper sorting device for processing peppery strips, which comprises a bottom plate 1, wherein a material guide channel 2 is fixedly installed at the upper end of one side of the bottom plate 1, a feed hopper 21 is integrally formed at the top end of the material guide channel 2, an adjusting mechanism 3 matched with the feed hopper 21 for use is arranged on the material guide channel 2, fans 4 matched with the adjusting mechanism 3 for use are arranged on one side of the material guide channel 2, two sets of the fans 4 are symmetrically clamped on the material guide channel 2, a discharging pipeline 22 matched with the fans 4 for use is communicated with the other side of the material guide channel 2, a vibration mechanism 5 is arranged on the bottom plate 1, a first screening mechanism 6 is arranged at the top end of the vibration mechanism 5, and a second screening mechanism 7 matched with the first screening mechanism 6 for use is arranged on one side of the vibration mechanism 5.

The adjusting mechanism 3 comprises an L-shaped material conveying plate 31 and a first sleeve 32, the L-shaped material conveying plate 31 is provided with two groups, the L-shaped material conveying plate is inserted into the material guide channel 2 in a sliding mode, the material guide plate 23 matched with the L-shaped material conveying plate 31 for use is fixedly installed at the lower end of the inner side of the feeding hopper 21, the material guide plate 23 is provided with two groups, the material guide plate is of an inclined structure, the middle of the pepper guide feeding hopper 21 to be screened is convenient to conduct, one end of the L-shaped material conveying plate 31 penetrates through the material guide channel 2 and is provided with a rack 33 on one side of the material guide channel, the rack 33 is provided with two groups, the sliding card is arranged on the material guide channel 2, one end of the first sleeve 32 is fixedly connected with the material guide channel 2, a gear 34 is installed at the other end of the first sleeve 32 in a rotating mode, and the gear 34 is meshed with the rack 33.

The adjusting mechanism 3 also comprises a second sleeve 35, one end of the second sleeve 35 is fixedly connected with the material guiding channel 2, the second sleeve 35 is fixedly arranged on the inner side of the first sleeve 32, a connecting disc 36 is slidably clamped in the inner cavity of the second sleeve 35, a first spring 37 is arranged on one side of the connecting disc 36, one end of the first spring 37 is fixedly connected with the material guide channel 2, a rotating disc 38 is rotatably arranged on the other side of the connecting disc 36, limiting rods 39 distributed in an array mode are integrally formed on the rotating disc 38, an annular groove 310 and a limiting groove 311 which are matched with the limiting rods 39 are formed in one side of the inner cavity of the second sleeve 35, the annular groove 310 is communicated with the limiting groove 311, the limiting rod 39 can be slidably clamped in the annular groove 310 and the limiting groove 311, a pull rod 312 is disposed on one side of the rotary disc 38, the pull rod 312 slidably penetrates through the gear 34 and is provided with a rotating wheel 313 at the tail end thereof, and a user can rotate the rotating wheel 313, so that the gear 34 is driven to rotate through the pull rod 312.

Vibration mechanism 5 includes montant 51, and montant 51 is provided with four groups, and fixed mounting is on bottom plate 1, and fixed cover is equipped with lantern ring 52 on montant 51, and one side of lantern ring 52 is equipped with second spring 53, and second spring 53 movable sleeve is established on montant 51, and the one end fixed mounting of four groups of second springs 53 has T template 54, and T template 54 slides and inserts and establish on montant 51, and the upper end fixed mounting of T template 54 has motor 55, in this scheme: the motor 55 is preferably Y80M1-2 type, the power supply interface of the motor is connected with a power supply system through a switch, the running circuit of the motor 55 is a normal and reverse rotation control program of the conventional motor 55, the circuit runs as the conventional circuit, the related circuit and control in the scheme are the prior art, not repeated herein, a main synchronizing wheel 56 is fixedly sleeved on the outer side of the output end of the motor 55, a rotating rod 57 is inserted on the T-shaped plate 54 in a rotating manner, an auxiliary synchronizing wheel 58 is fixedly sleeved on the rotating rod 57, a synchronous belt 59 is meshed between the auxiliary synchronizing wheel 58 and the outer side of the main synchronizing wheel 56, rotating rings 510 symmetrically arranged are fixedly sleeved on the two ends of the rotating rod 57, a special-shaped block 511 is fixedly installed on the rotating ring 510, connecting blocks 512 are fixedly installed on the top ends of the four groups of vertical rods 51, four groups of third springs 513 are arranged around the bottom end of the connecting blocks 512, the third springs 513 are movably sleeved on the vertical rods 51, and one end of each third spring 513 is fixedly connected with the T-shaped plate 54.

First screening mechanism 6 is including connecing material frame 61, connect the bottom and the connecting block 512 fixed connection of material frame 61, and connect the inboard one end fixed mounting of material frame 61 to have triangle-shaped baffle 62, the one side intercommunication that connects material frame 61 is equipped with the play hopper 63 that uses with the cooperation of triangle-shaped baffle 62, the upper end fixed mounting who connects material frame 61 has screening frame 64, the one end of screening frame 64 is located the below of guide passageway 2, thereby be convenient for with the guide passageway 2 in drop treat that the screening hot pepper is whole to be directed on screening frame 64, and run through on the screening frame 64 and seted up multiunit sieve mesh 65.

Second screening mechanism 7 includes arc reel 71, arc reel 71 and connecting block 512 and screening frame 64 fixed connection, arc reel 71 sets up to the slope structure, and the one end of screening frame 64 is located the top of arc reel 71 to be convenient for in the leading-in arc reel 71 of hot pepper after will tentatively screening, the inboard fixed mounting of arc reel 71 has multiunit arc limiting plate 72, and rotate on the arc reel 71 and install the arc that uses with the cooperation of arc limiting plate 72 and change board 73.

The arc-shaped screen frame 71 is fixedly provided with first connecting rods 74 which are symmetrically arranged, one end of each first connecting rod 74 is rotatably provided with an electric telescopic rod 75, one end of each electric telescopic rod 75 is rotatably provided with a second connecting rod 76, and one end of each second connecting rod 76 is fixedly connected with the arc-shaped rotating plate 73.

During the use, the user can adjust the interval between two sets of L type conveying material board 31 according to the quantity that contains the hot pepper leaf in the hot pepper that treats to screen, and the user can hand runner 313 and pull to the one side of keeping away from guide passageway 2 this moment to drive gag lever post 39 and connection pad 36 through carousel 38 and remove, and then tensile first spring 37, when gag lever post 39 slided to annular groove 310 from spacing groove 311 in.

The rotatable runner 313 is made to drive the gear 34 through the pull rod 312 to rotate, and then drive the two sets of L-shaped conveying plates 31 through the two sets of racks 33 to move in opposite directions, so that the purpose of conveniently adjusting the space between the two sets of L-shaped conveying plates 31 is achieved, and then the speed and the number of the peppers to be screened and dropped can be controlled, and the pepper leaves doped in the peppers can be cleaned conveniently. When the distance between the two sets of L-shaped transporting plates 31 is adjusted to a proper size, the user can loosen the rotating wheel 313, the first spring 37 contracts to drive the rotating disc 38 to reset, and further the limiting rod 39 is clamped in the limiting groove 311 again, then the user can open the fan 4 and the motor 55 and guide the peppers to be screened into the feed hopper 21, at this moment, the peppers to be screened will pass through the gap between the two sets of material guiding plates 23 and drop from between the L-shaped transporting plates 31, during the dropping process, the fan 4 can blow the pepper leaves doped in the peppers to be screened into the discharging pipeline 22, so as to realize the primary treatment of the peppers to be screened, and then the peppers to be screened are guided to the screening frame 64 through the material guiding channel 2.

Meanwhile, the motor 55 drives the synchronous belt 59 to rotate through the main synchronous wheel 56, so that the rotating rod 57 is driven to rotate through the auxiliary synchronous wheel 58, the special-shaped block 511 is driven to rotate through the two groups of rotating rings 510, and the T-shaped plate 54 can be driven to vibrate by matching with the use of the second spring 53, the sleeve ring 52, the third spring 513 and the connecting block 512, so that the screening frame 64 is driven to vibrate through the material receiving frame 61, and then the peppers to be screened roll from one end of the screening frame 64 to the other end, during the rolling process, the granular impurities doped in the peppers drop into the material receiving frame 61 from the sieve holes 65, and are discharged by matching with the use of the triangular guide plate 62 and the material discharging hopper 63, so that the primary screening of the peppers to be screened is realized, and convenience is provided for cleaning the granular impurities doped in the peppers.

The peppers to be screened after the preliminary screening fall into the arc-shaped screen frame 71, and the arc-shaped screen frame 71 synchronously vibrates with the screening frame 64 along with the connecting block 512, so that the peppers to be screened after the preliminary screening roll towards one end of the arc-shaped screen frame 71, then the pepper branches doped in the pepper branches are accumulated between the arc-shaped limiting plates 72, and the screened peppers are guided out from the arc-shaped screen frame 71 for collection, thereby realizing the secondary screening of the peppers to be screened, thereby providing convenience for cleaning branches and trunks of pepper doped in the pepper screening machine, when the screening operation is finished, a user can close the fan 4 and the motor 55, and the two sets of electric telescopic rods 75 are opened, so that the electric telescopic rods drive the two sets of arc-shaped rotating plates 73 to rotate, the branches of the peppers and the residual peppers inside the branches are taken down from the arc-shaped screen frame 71, and then the arc-shaped rotating plate 73 is reset to take out the residual peppers.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a hot pepper sorting unit for peppery strip processing, includes bottom plate (1), its characterized in that: the upper end of one side of the bottom plate (1) is fixedly provided with a material guide channel (2), the top end of the material guide channel (2) is integrally formed with a feed hopper (21), the material guide channel (2) is provided with an adjusting mechanism (3) which is matched with the feed hopper (21), one side of the material guide channel (2) is provided with two groups of fans (4) which are matched with the adjusting mechanism (3), and are symmetrically clamped on the material guide channel (2), the other side of the material guide channel (2) is communicated with a material discharge pipeline (22) matched with the fan (4), the bottom plate (1) is provided with a vibration mechanism (5), the top end of the vibration mechanism (5) is provided with a first screening mechanism (6), a second screening mechanism (7) matched with the first screening mechanism (6) is arranged on one side of the vibration mechanism (5);

the adjusting mechanism (3) comprises an L-shaped material conveying plate (31) and a first sleeve (32), two groups of L-shaped material conveying plates (31) are arranged and are inserted on the material guide channel (2) in a sliding manner, the lower end of the inner side of the feed hopper (21) is fixedly provided with material guide plates (23) matched with the L-shaped material conveying plates (31) for use, the material guide plates (23) are provided with two groups and are of an inclined structure, one end of each L-shaped material conveying plate (31) penetrates through the material guide channel (2) and is provided with a rack (33) on one side, the racks (33) are arranged in two groups and are clamped on the material guide channel (2) in a sliding manner, one end of the first sleeve (32) is fixedly connected with the material guide channel (2), the other end of the first sleeve (32) is rotatably provided with a gear (34), and the gear (34) is meshed with the racks (33);

the adjusting mechanism (3) further comprises a second sleeve (35), one end of the second sleeve (35) is fixedly connected with the material guide channel (2), the second sleeve (35) is fixedly installed on the inner side of the first sleeve (32), a connecting disc (36) is arranged in an inner cavity of the second sleeve (35) in a sliding mode, a first spring (37) is arranged on one side of the connecting disc (36), one end of the first spring (37) is fixedly connected with the material guide channel (2), a rotary disc (38) is rotatably installed on the other side of the connecting disc (36), limiting rods (39) distributed in an array mode are integrally formed on the rotary disc (38), an annular groove (310) and a limiting groove (311) which are matched with the limiting rods (39) are formed on one side of the inner cavity of the second sleeve (35), the annular groove (310) is communicated with the limiting groove (311), and the limiting rods (39) can be slidably clamped in the annular groove (310) and the limiting groove (311), a pull rod (312) is arranged on one side of the rotating disc (38), the pull rod (312) penetrates through the gear (34) in a sliding mode, and a rotating wheel (313) is arranged at the tail end of the pull rod.

2. The pepper sorting device for processing the peppery strip as claimed in claim 1, wherein the vibration mechanism (5) comprises a vertical rod (51), the vertical rod (51) is provided with four groups and is fixedly installed on the bottom plate (1), a sleeve ring (52) is fixedly sleeved on the vertical rod (51), one side of the sleeve ring (52) is provided with a second spring (53), the second spring (53) is movably sleeved on the vertical rod (51), one end of each of the four groups of second springs (53) is fixedly provided with a T-shaped plate (54), the T-shaped plate (54) is slidably inserted on the vertical rod (51), the upper end of the T-shaped plate (54) is fixedly provided with a motor (55), the outer side of the output end of the motor (55) is fixedly sleeved with a main synchronizing wheel (56), the T-shaped plate (54) is rotatably inserted with a rotating rod (57), an auxiliary synchronizing wheel (58) is fixedly sleeved on the rotating rod (57), the meshing of the outside of vice synchronizing wheel (58) and main synchronizing wheel (56) has hold-in range (59), the fixed swivel (510) that are equipped with the symmetry and set up in both ends of bull stick (57), fixed mounting has special-shaped piece (511), four groups on swivel (510) the top fixed mounting of montant (51) has connecting block (512), the bottom of connecting block (512) is equipped with four groups of third spring (513) all around, third spring (513) movable sleeve is established on montant (51), and the one end and the T template (54) fixed connection of third spring (513).

3. The pepper sorting device for processing peppery strips as claimed in claim 2, wherein the first screening mechanism (6) comprises a receiving frame (61), the bottom end of the receiving frame (61) is fixedly connected with a connecting block (512), a triangular guide plate (62) is fixedly mounted at one end of the inner side of the receiving frame (61), a discharging hopper (63) matched with the triangular guide plate (62) is arranged at one side of the receiving frame (61) in a communicating manner, a screening frame (64) is fixedly mounted at the upper end of the receiving frame (61), one end of the screening frame (64) is located below the material guide channel (2), and a plurality of groups of screen holes (65) are formed in the screening frame (64) in a penetrating manner.

4. The pepper sorting device for spicy strip processing as claimed in claim 3, wherein the second screening mechanism (7) comprises an arc-shaped screen frame (71), the arc-shaped screen frame (71) is fixedly connected with the connecting block (512) and the screening frame (64), the arc-shaped screen frame (71) is arranged in an inclined structure, one end of the screening frame (64) is located above the arc-shaped screen frame (71), a plurality of groups of arc-shaped limiting plates (72) are fixedly mounted on the inner side of the arc-shaped screen frame (71), and an arc-shaped rotating plate (73) matched with the arc-shaped limiting plates (72) for use is rotatably mounted on the arc-shaped screen frame (71).

5. The pepper sorting device for spicy strip processing as claimed in claim 4, wherein the arc-shaped screen frame (71) is fixedly provided with symmetrically arranged first connecting rods (74), one end of the first connecting rod (74) is rotatably provided with an electric telescopic rod (75), one end of the electric telescopic rod (75) is rotatably provided with a second connecting rod (76), and one end of the second connecting rod (76) is fixedly connected with the arc-shaped rotating plate (73).