阅读说明：本技术 一种表冷器箱自动插管装置 (Automatic pipe inserting device for surface cooler box ) 是由 莫银彩 于 2020-05-19 设计创作，主要内容包括：本发明涉及一种插管装置,尤其涉及一种表冷器箱自动插管装置。要解决的技术问题是如何提供一种能够实现U型铜管的自动输送,无需人工插装,极大提高工作效率的表冷器箱自动插管装置。一种表冷器箱自动插管装置,包括有底板、电机、送料箱等,底板顶部的一侧安装有电机,电机的输出轴端部指向的底板一侧上从下至上放置有至少3个用于储放U型铜管的送料箱。本发明通过可循环运动的第一推块,以及与第一推动架和第二推动架之间的配合,能够实现表冷器箱内U型铜管的自动间歇输送,驱动棘爪间歇性的左右往复运动时能够带动表冷器箱自动更换插管位置,第二推板的间歇性前后往复运动,能够U型铜管全部挤压到表冷器箱内。(The invention relates to a tube inserting device, in particular to an automatic tube inserting device for a surface cooler box. The technical problem who solves how to provide the automatic transport that can realize U type copper pipe, need not artifical cartridge, greatly improve work efficiency's automatic intubation device of surface cooler case. The utility model provides an automatic tube inserting device of surface cooler case, is including bottom plate, motor, pay-off case etc. and the motor is installed to one side at bottom plate top, and from supreme at least 3 pay-off cases that are used for storing U type copper pipe of placing down on directional bottom plate one side of output shaft tip of motor. According to the invention, through the first push block capable of circularly moving and the cooperation between the first push frame and the second push frame, the automatic intermittent conveying of the U-shaped copper pipes in the surface cooler box can be realized, the surface cooler box can be driven to automatically change the pipe inserting position when the pawl is driven to intermittently reciprocate left and right, and the U-shaped copper pipes can be completely extruded into the surface cooler box by the intermittent back and forth reciprocating movement of the second push block.)

1. The utility model provides an automatic intubation device of surface cooler case, characterized by includes:

the copper tube feeding device comprises a bottom plate (1), wherein a motor (2) is installed on one side of the top of the bottom plate (1), at least 3 feeding boxes (3) used for storing U-shaped copper tubes (301) are placed on one side, pointing to the end part of an output shaft of the motor (2), of the bottom plate (1) from bottom to top, sliding grooves (302) are formed in the side wall of the feeding box (3) close to one side of the motor (2), the feeding boxes (3) are connected with each other through a first connecting plate (4), openings (5) are formed in the feeding boxes (3) located on the same side of the first connecting plate (4), and the openings (5) are communicated with;

the driving assembly (7) is arranged on the bottom plate (1) between the motor (2) and the feeding box (3), and the driving assembly (7) is connected with an output shaft of the motor (2);

the pushing assembly (6) is arranged on the top of the bottom plate (1) between the driving assembly (7) and the feeding box (3) and on the bottom plate (1) on one side far away from the motor (2), and the pushing assembly (6) is respectively matched with the driving assembly (7) and the feeding box (3);

the guide assembly (8) is positioned on the side edge of the feeding box (3) far away from one side of the first connecting plate (4) and is arranged on the bottom plate (1);

the L-shaped sliding rails (9) are symmetrically arranged on the bottom plate (1) on one side of the guide assembly (8) and used for placing the surface cooler box (10), and the L-shaped sliding rails (9) and the feeding box (3) are respectively arranged on two opposite sides of the guide assembly (8).

2. The automatic pipe inserting device for the surface cooler box as claimed in claim 1, wherein: the driving component (7) comprises a first bevel gear (71), a second bevel gear (72), a first driving wheel (73), a bearing seat (74), a second driving wheel (75), a first belt (76), a vertical rod (77), a second belt (78) and a first push block (79), the first bevel gear (71) is installed at the end part of an output shaft of the motor (2), the second bevel gear (72) and one of the first driving wheels (73) are coaxially and rotatably connected on the bottom plate (1) adjacent to the first bevel gear (71), the first driving wheel (73) is positioned above the second bevel gear (72), the second bevel gear (72) is in meshing transmission with the first bevel gear (71), the bearing seat (74) is bolted on the bottom plate (1) adjacent to the second bevel gear (72), one of the second driving wheels (75) and the other first driving wheel (73) are coaxially connected on the bearing seat (74), first belt (76) are around establishing on two first drive wheels (73), and the rigid coupling has montant (77) on bottom plate (1) with bearing frame (74) on same water flat line, and the water flat line that bearing frame (74) and montant (77) place is parallel with spout (302), and montant (77) upper portion rotary type is connected with another second drive wheel (75), and second drive wheel (75) of both sides are connected through second belt (78) transmission, are connected with first ejector pad (79) on second belt (78).

3. The automatic pipe inserting device for the surface cooler box as claimed in claim 2, wherein: the pushing assembly (6) comprises a first pushing frame (61), a first fixed block (6101), a first guide rod (62), a first spring (63), a first bracket (64), a second guide rod (65), a first sliding sleeve (66), a second spring (67), a second pushing frame (68) and a first stop (69), the first pushing frame (61), the first fixed block (6101), the first guide rod (62), the first spring (63), the first bracket (64), the second guide rod (65), the first sliding sleeve (66), the second spring (67), the second pushing frame (68) and the first stop (69), the first fixed block (6101) is symmetrically arranged on the bottom plate (1) between the bearing seat (74) and the feeding box (3) along the extending direction of the sliding chute (302), the first guide rod (62) is fixedly connected between the first fixed blocks (6101) on two sides, the first guide rod (62) is slidably connected with the first pushing frame (61) for conveying the U-shaped copper pipe (301), the end part of one side, facing the first connecting plate (4), of the first pushing frame (61) can penetrate through the opening (5) and the sliding groove (302), a first spring (63) is connected between the first fixing block (6101) and the first pushing frame (61) on one side, far away from the bearing seat (74), the first spring (63) is wound on the first guide rod (62), a first support (64) is installed on the bottom plate (1) which is positioned on the same horizontal line with the guide assembly (8), the first support (64) and the first guide rod (62) are distributed on two opposite sides of the feeding box (3), the side wall, facing one side of the feeding box (3), of the first support (64) is connected with a second guide rod (65), the second guide rod (65) is positioned between the feeding box (3) and the guide assembly (8), a first sliding sleeve (66) is slidably arranged on the second guide rod (65), and a second spring (67) is connected between the first sliding sleeve (66) and the side wall of the first support (64), the second spring (67) is wound on the second guide rod (65), the first sliding sleeve (66) is evenly connected with a second pushing frame (68) used for pushing the U-shaped copper pipe (301) to move at intervals, the end part of the second pushing frame (68) facing one side of the feeding box (3) is matched with the inside of the feeding box (3), and the end part of the second guide rod (65) far away from one side of the first support (64) is connected with a first stop block (69).

4. An automatic pipe inserting device for a surface cooler box according to claim 3, wherein: the guide assembly (8) comprises a third guide rod (81), a second sliding sleeve (82), a third spring (83), a second connecting plate (84) and a guide arc-shaped plate (85), the third guide rod (81) is fixedly connected with the bottom plate (1) which is located on the same horizontal line and between the feeding box (3) and the L-shaped sliding rail (9) and the first support (64), the second sliding sleeve (82) is arranged on the third guide rod (81) in a sliding mode, the third spring (83) is connected between the second sliding sleeve (82) and the bottom plate (1), the third spring (83) is arranged on the third guide rod (81) in a winding mode, the second connecting plate (84) is arranged on the side wall, far away from one side of the first support (64), of the second sliding sleeve (82) and the side wall of the second connecting plate (84), and the guide arc-shaped plate (85) used for supporting the U-shaped copper pipe (301.

5. The automatic pipe inserting device for the surface cooler box as claimed in claim 4, wherein: the device is characterized by further comprising a rotary table (11), a fixing rod (1101), a first push plate (12), a first supporting plate (13), a fourth spring (14), a first limiting block (15), a torsion spring (16), a special-shaped connecting rod (17), a first guide sleeve (18), a second connecting rod (19), a connecting rod (20), a driving pawl (21), a reverse clamping pawl (2101), a second limiting block (22), a supporting block (23), a fifth spring (24), a second guide sleeve (25), a ratchet bar (26) and a second push block (27), wherein the rotary table (11) is rotatably installed in the middle of a vertical rod (77), the fixing rod (1101) is connected to the vertical rod (77) above the rotary table (11) in a rotating mode, the top of the rotary table (11) is rotatably connected with the first push plate (12) and the first supporting plate (13), the first supporting plate (13) is located below the first push plate (12), and the end of the first supporting plate (13) is in contact with the side wall of the first push, a fourth spring (14) is connected between the bottom wall of the first supporting plate (13) and the rotary table (11), a first limiting block (15) is installed on the rotary table (11) close to the bottom end of the first push plate (12), the first limiting block (15) and the first supporting plate (13) are respectively positioned on two opposite sides of the first push plate (12), a torsion spring (16) is wound on a vertical rod (77) positioned below the rotary table (11), one end of the torsion spring (16) is connected with the bottom of the rotary table (11), the other end of the torsion spring (16) is connected with the bottom plate (1), the bottom wall of the rotary table (11) is rotatably connected with one end of a special-shaped connecting rod (17), a first guide sleeve (18) is fixed on the bottom plate (1) close to one side of the rotary table (11), the other end of the special-shaped connecting rod (17) is rotatably connected with one end of a second connecting rod (19), and the other end of the second connecting rod (19, the one end that the rigid coupling has connecting rod (20) on the lateral wall that is close to L type slide rail (9) on second connecting rod (19), liftable drive pawl (21) are installed to the other end rotary type of connecting rod (20), supporting shoe (23) are installed to one side of connecting rod (20) tip orientation first uide bushing (18), be connected with fifth spring (24) between lateral wall and the drive pawl (21) of supporting shoe (23), the opposite side rigid coupling of connecting rod (20) tip has second stopper (22), the rigid coupling has second uide bushing (25) on bottom plate (1) that is close to first uide bushing (18) one side, second uide bushing (25) are located between the L type slide rail (9) of both sides, it has ratchet (26) with drive pawl (21) complex to slide to have worn in second uide bushing (25), ratchet (26) extend along the length direction of L type slide rail (9), the tip rigid coupling of ratchet (26) that keeps away from second uide bushing (25) one side has and is used for promoting cold ware case (10) to move The movable second pushing block (27) and the driving pawl (21) are positioned on the bottom plate (1) on the same horizontal line, a swingable and liftable reverse clamping pawl (2101) is installed on the bottom plate, and the reverse clamping pawl (2101) is positioned between the driving pawl (21) and the second pushing block (27).

6. An automatic pipe inserting device for a surface cooler box according to claim 5, wherein: the device also comprises a second supporting plate (28), a second push plate (29), a fourth guide rod (30), a second stop block (31), a sixth spring (32), a sliding block (33), a second fixed block (34), a first sliding rod (35), a seventh spring (36), a third fixed block (37), a second sliding rod (3701), a third push block (38), an eighth spring (39), a first guide wheel (40), a second guide wheel (41) and a pull rope (42), wherein the bottom plate (1) close to one side of the rotary disc (11) is fixedly connected with the second supporting plate (28), the two sides of the top of the second supporting plate (28) close to one side of the rotary disc (11) are both connected with the second fixed block (34), the first sliding rod (35) is arranged between the second fixed blocks (34) at the two sides, the sliding block (33) is connected on the first sliding rod (35), the seventh spring (36) is connected between the side wall of the sliding block (33) and the second fixed block (34) far away from one side of the rotary, a seventh spring (36) is wound on the first sliding rod (35), a fourth guide rod (30) is installed on the side wall of the sliding block (33), a second stop block (31) is fixedly connected to the end portion, far away from one side of the sliding block (33), of the fourth guide rod (30), a second push plate (29) is connected to the fourth guide rod in a sliding mode, a sixth spring (32) is connected between the second push plate (29) and the second stop block (31), a third fixed block (37) is connected to the bottom wall of the second support plate (28) far away from one side of the first sliding rod (35), a second sliding rod (3701) is horizontally connected to the side wall, facing one side of the first sliding rod (35), of the third fixed block (37), a third push block (38) is connected to the end portion, close to one side of the second fixed block (34), of the second sliding rod (3701), the third push block (38) is located on one side of the connecting rod (20), and an eighth spring (39) is connected between the third push block (, the eighth spring (39) is wound on the second sliding rod (3701), the side wall of the second supporting plate (28) on one side close to the second fixed block (34) is connected with a first guide wheel (40) and a second guide wheel (41), the first guide wheel (40) and the second guide wheel (41) are perpendicular to each other in direction, the side wall of the third pushing block (38) is connected with one end of a pull rope (42), the other end of the pull rope (42) sequentially winds the first guide wheel (40) and the second guide wheel (41), and the tail end of the pull rope is connected with the side wall of the sliding block (33).

Technical Field

The invention relates to a tube inserting device, in particular to an automatic tube inserting device for a surface cooler box.

Background

The surface cooler is called a surface cooler. The principle is that a heating medium or a cooling medium or a refrigerating medium flows through the inner cavity of the metal pipeline, and the air to be processed flows through the outer wall of the metal pipeline for heat exchange to achieve the purpose of heating or cooling the air.

All be the manual work and aim at the hole on the surface cooler case with U type copper pipe and inject one by one among the prior art, the U type copper pipe that the surface cooler case need be inserted is generally more, leads to people intensity of labour big, and all inserts a root with U type copper pipe, and work efficiency is generally lower to there is the little of unevenness protruding on the U type copper pipe, people insert by hand can the injury hand.

Therefore, the automatic pipe inserting device for the surface cooler box, which can reduce the labor intensity of people and improve the production efficiency of people and is free from manual insertion, needs to be invented.

Disclosure of Invention

Manual operation when in order to overcome present surface cooler case cartridge U type copper pipe, work efficiency is underneath, and easily injure the shortcoming of staff's hand, the technical problem that solves: the automatic pipe inserting device of the surface cooler box can realize automatic conveying of the U-shaped copper pipe, manual insertion is not needed, and work efficiency is greatly improved.

The technical scheme is as follows: an automatic intubation device for a surface cooler box, comprising: the copper pipe feeding device comprises a bottom plate, wherein a motor is installed on one side of the top of the bottom plate, at least 3 feeding boxes for storing U-shaped copper pipes are arranged on one side, which is pointed by the end part of an output shaft of the motor, of the bottom plate from bottom to top, sliding grooves are formed in the side wall of each feeding box, which is close to one side of the motor, the feeding boxes are mutually connected through a first connecting plate, openings are formed in the feeding boxes, which are positioned on the same side of the first connecting plate; the driving assembly is arranged on the bottom plate between the motor and the feeding box and is connected with an output shaft of the motor; the pushing assembly is arranged on the top of the bottom plate between the driving assembly and the feeding box and on the bottom plate at one side far away from the motor, and the pushing assembly is respectively matched with the driving assembly and the interior of the feeding box; the guide assembly is positioned on the side edge of the feeding box far away from one side of the first connecting plate and is arranged on the bottom plate; the L-shaped sliding rails are symmetrically arranged on the bottom plate on one side of the guide assembly and used for placing the surface cooler box, and the L-shaped sliding rails and the feeding box are respectively positioned on two opposite sides of the guide assembly.

Furthermore, the driving component comprises a first bevel gear, a second bevel gear, a first driving wheel, a bearing seat, a second driving wheel, a first belt, a vertical rod, a second belt and a first push block, the end part of an output shaft of the motor is provided with the first bevel gear, a bottom plate adjacent to the first bevel gear is coaxially and rotatably connected with the second bevel gear and one of the first driving wheels, the first driving wheel is positioned above the second bevel gear, the second bevel gear is in meshing transmission with the first bevel gear, the bottom plate adjacent to the second bevel gear is bolted with the bearing seat, the bearing seat is coaxially connected with one of the second driving wheels and the other one of the first driving wheels, the first belt is wound on the two first driving wheels, the bottom plate on the same horizontal line with the bearing seat is fixedly connected with the vertical rod, the horizontal line of the bearing seat and the vertical rod is parallel to the chute, the upper part of the vertical rod, the second driving wheels on two sides are in transmission connection through a second belt, and the second belt is connected with a first pushing block.

Further, the pushing assembly comprises a first pushing frame, a first fixed block, a first guide rod, a first spring, a first support, a second guide rod, a first sliding sleeve, a second spring, a second pushing frame and a first stop dog, the first pushing frame, the first fixed block, the first guide rod, the first spring, the first support, the second guide rod, the first sliding sleeve, the second spring, the second pushing frame and the first stop dog are symmetrically arranged on a bottom plate between the bearing seat and the feeding box along the extending direction of the sliding chute, the first fixed blocks on two sides are fixedly connected with the first guide rod, the first pushing frame used for conveying the U-shaped copper pipe is connected on the first guide rod in a sliding manner, the end part of the first pushing frame facing one side of the first connecting plate can penetrate through the opening and the sliding chute, the first spring is connected between the first fixed block on one side far away from the bearing seat and the first pushing frame, the first spring is wound on the first guide rod, the first support is arranged on the bottom plate which is located on the same horizontal line with the guide assembly, the first support and the first guide rod are distributed on two opposite sides of the feeding box, a second guide rod is connected to the side wall of the first support on one side of the feeding box, the second guide rod is located between the feeding box and the guide assembly, a first sliding sleeve is arranged on the second guide rod in a sliding mode, a second spring is connected between the first sliding sleeve and the side wall of the first support, the second spring is wound on the second guide rod, a second pushing frame used for pushing the U-shaped copper pipe to move is connected to the first sliding sleeve at an even interval, the end portion of the second pushing frame on one side of the feeding box is matched with the inside of the feeding box, and a first stop block is connected to the end portion of the second guide rod on one side.

Further, the direction subassembly is including the third guide arm, the second sliding sleeve, the third spring, second connecting plate and direction arc, the rigid coupling has the third guide arm on being located same water flat line and being in the bottom plate between pay-off case and the L type slide rail with first support, the gliding style is equipped with the second sliding sleeve on the third guide arm, be connected with the third spring between second sliding sleeve and the bottom plate, the third spring is around establishing on the third guide arm, install the second connecting plate on keeping away from the second sliding sleeve lateral wall of first support one side, even interval connection has the direction arc that is used for supporting U type copper pipe on the second connecting plate.

Further, the device comprises a turntable, a fixed rod, a first push plate, a first support plate, a fourth spring, a first limit block, a torsion spring, a special-shaped connecting rod, a first guide sleeve, a second connecting rod, a driving pawl, a reverse clamping pawl, a second limit block, a support block, a fifth spring, a second guide sleeve, a ratchet bar and a second push block, wherein the turntable is rotatably installed in the middle of the vertical rod, the vertical rod positioned above the turntable is connected with the fixed rod, the top of the turntable is rotatably connected with the first push plate and the first support plate, the first support plate is positioned below the side of the first push plate, the end part of the first support plate is contacted with the side wall of the first push plate, the fourth spring is connected between the bottom wall of the first support plate and the turntable, the first limit block is installed on the turntable near the bottom end of the first push plate, and the first limit block and the first support plate are, a torsion spring is wound on a vertical rod positioned below the rotary table, one end of the torsion spring is connected with the bottom of the rotary table, the other end of the torsion spring is connected with a bottom plate, the bottom wall of the rotary table is rotatably connected with one end of a special-shaped connecting rod, a first guide sleeve is fixed on the bottom plate close to one side of the rotary table, the other end of the special-shaped connecting rod is rotatably connected with one end of a second connecting rod, the other end of the second connecting rod is penetrated in the first guide sleeve, one end of a connecting rod is fixedly connected on the side wall of the second connecting rod close to the L-shaped slide rail, a liftable driving pawl is rotatably installed at the other end of the connecting rod, a supporting block is installed at the end part of the connecting rod facing one side of the first guide sleeve, a fifth spring is connected between the side wall of the supporting block and the driving pawl, a second limiting block is fixedly connected at the other side of the end, the ratchet strip matched with the driving pawl penetrates through the second guide sleeve in a sliding mode, the ratchet strip extends along the length direction of the L-shaped sliding rail, a second push block used for pushing the surface cooler box to move is fixedly connected to the end portion of the ratchet strip far away from one side of the second guide sleeve, a swingable and liftable reverse clamping pawl is installed on a bottom plate located on the same horizontal line with the driving pawl, and the reverse clamping pawl is located between the driving pawl and the second push block.

Further, the device comprises a second supporting plate, a second push plate, a fourth guide rod, a second stop block, a sixth spring, a sliding block, a second fixed block, a first sliding rod, a seventh spring, a third fixed block, a second sliding rod, a third push block, an eighth spring, a first guide wheel, a second guide wheel and a pull rope, wherein the second supporting plate is fixedly connected to the bottom plate close to one side of the rotary disc, the second fixed block is connected to both sides of the top of the second supporting plate close to one side of the rotary disc, the first sliding rod is arranged between the second fixed blocks on both sides, the sliding block is connected to the first sliding rod in a sliding manner, the seventh spring is connected between the side wall of the sliding block and the second fixed block far from one side of the rotary disc, the seventh spring is wound on the first sliding rod, the fourth guide rod is arranged on the side wall of the sliding block, the second stop block is fixedly connected to the end part of the fourth guide rod far from one, a sixth spring is connected between the second push plate and the second stopper, the bottom wall of the second support plate far away from one side of the first slide bar is connected with a third fixed block, the side wall of the third fixed block, which faces one side of the first slide bar, is horizontally connected with a second slide bar, the end part of the second slide bar, which is close to one side of the second fixed block, is connected with a third push block, the third push block is located at one side of the connecting rod, an eighth spring is connected between the third push block and the second fixed block, the eighth spring is wound on the second slide bar, the side wall of the second support plate, which is close to one side of the second fixed block, is connected with a first guide wheel and a second guide wheel, the first guide wheel and the second guide wheel are perpendicular to each other, the side wall of the third push block is connected with one end of a pull rope, the other end of the pull rope sequentially winds the first guide.

The invention has the beneficial effects that:

1. but through circulating motion's first ejector pad to and promote the cooperation between the frame with first propelling movement frame and second, can realize the automatic intermittent type of surface cooler incasement U type copper pipe and carry, very big saving manpower simplifies U type copper pipe and carries the operation.

2. Through the direction arc that can reciprocate, can enough lead to U type copper pipe, can not influence the removal of surface cooler case again.

3. Through the cooperation of first ejector pad and first push pedal and the cooperation between dead lever and the first backup pad, can realize driving pawl intermittent type nature reciprocating motion about to can drive the automatic intubate position of changing of surface cooler case, need not artifical promotion, practice thrift the manpower, convenient operation.

4. At the in-process of drive pawl intermittent type nature left and right reciprocating motion, can realize the intermittent type nature back and forth reciprocating motion of second push pedal simultaneously, can extrude the surface cooler incasement with the U type copper pipe in the surface cooler case outside is whole, need not the manual work again and impresses remaining U type copper pipe in the surface cooler incasement, effectively improves the practicality of this device.

Drawings

Fig. 1 is a schematic view of a first angular perspective structure according to the present invention.

Fig. 2 is a schematic perspective view of a second angle according to the present invention.

Fig. 3 is a perspective view of the guide assembly and the pushing assembly of the present invention.

FIG. 4 is a perspective view of a third embodiment of the present invention.

Fig. 5 is an enlarged perspective view of B in fig. 4 according to the present invention.

Fig. 6 is a partial perspective view of the present invention.

Fig. 7 is a schematic perspective view of a fourth angle according to the present invention.

Fig. 8 is an enlarged perspective view of C in fig. 7 according to the present invention.

Fig. 9 is an enlarged perspective view of D in fig. 7 according to the present invention.

Fig. 10 is a schematic perspective view of the reverse detent mechanism of the present invention.

Reference numerals: 1 a base plate, 2 a motor, 3 a feeding box, 301 a U-shaped copper pipe, 302 a sliding chute, 4 a first connecting plate, 5 an opening, 6 a pushing assembly, 61 a first pushing frame, 6101 a first fixed block, 62 a first guide rod, 63 a first spring, 64 a first bracket, 65 a second guide rod, 66 a first sliding sleeve, 67 a second spring, 68 a second pushing frame, 69 a first stop, 7 a driving assembly, 71 a first bevel gear, 72 a second bevel gear, 73 a first transmission wheel, 74 a bearing seat, 75 a second transmission wheel, 76 a first belt, 77 a vertical rod, 78 a second belt, 79 a first pushing block, 8 a guiding assembly, 81 a third guide rod, 82 a second sliding sleeve, 83 a third spring, 84 a second connecting plate, 85 a guiding arc plate, 9L-shaped sliding rails, 10 a meter cooler box, 11 a rotating disc, 1101 a fixed rod, 12 a first push plate, 13 a first support plate, 14 a fourth spring, 15 a first limit block, 16 a torsion spring, 17 a special-shaped connecting rod, 18 a first guide sleeve, 19 a second connecting rod, 20 a connecting rod, 21 a driving pawl, 2101 a reverse clamping pawl, 22 a second limit block, 23 a support block, 24 a fifth spring, 25 a second guide sleeve, 26 a ratchet bar, 27 a second push block, 28 a second support plate, 29 a second push plate, 30 a fourth guide rod, 31 a second stop block, 32 a sixth spring, 33 a slide block, 34 a second fixed block, 35 a first slide bar, 36 a seventh spring, 37 a third fixed block, 3701 a second slide bar, 38 a third push block, 39 an eighth spring, 40 a first guide wheel, 41 a second guide wheel and 42 a pull rope.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.