CN211218477U

CN211218477U - Net pulling mechanism and net pulling device

Info

Publication number: CN211218477U
Application number: CN201922219531.0U
Authority: CN
Inventors: 裴娟苗
Original assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Current assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-11
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to the technical field of welding, in particular to a net pulling mechanism and a net pulling device; this net pulling mechanism includes: the transmission component is arranged on the base frame and is in transmission connection with the hook claw and used for driving the hook claw to rotate so as to enable the hook claw to be matched with or separated from the reinforcing mesh sheet; the net pulling device comprises the net pulling mechanism. The utility model discloses a draw net mechanism and draw net device, simple structure can improve the convenience of using.

Description

Net pulling mechanism and net pulling device

Technical Field

The utility model relates to the field of welding technique, particularly, relate to net puller and net puller.

Background

In the process of welding the reinforcing mesh, a mechanism is needed to move and weld the mesh while pulling the mesh until the whole mesh is welded, and the mesh is pulled and transported to a specified position.

The net pulling mechanism provided by the related art usually needs two hook claws to be matched with each other to clamp the reinforcing steel bar, the structure is complex, and the use convenience needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw net mechanism and draw net device, its simple structure can improve the convenience of using.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment provides a net pulling mechanism, including: the transmission assembly is arranged on the base frame and is in transmission connection with the hook claw and used for driving the hook claw to rotate so that the hook claw and the reinforcing mesh piece are matched or separated.

In an alternative embodiment, the claw is rotatably connected to the base frame.

In an optional embodiment, the transmission assembly comprises a telescopic piece and a first rotating shaft, the telescopic piece is arranged on the base frame, the telescopic piece is in transmission connection with the hook claw through the first rotating shaft, and the hook claw is rotatably connected with the base frame through a second rotating shaft; when the telescopic piece extends or retracts, the hook claw is driven to rotate around the second rotating shaft and rotate around the first rotating shaft relative to the telescopic piece.

In an optional embodiment, the hook claw comprises a connecting part, a body part and a hook part which are connected in sequence, the connecting part is connected with the body part at an included angle, one end of the connecting part, which is far away from the body part, is in transmission connection with the telescopic part through a first rotating shaft, and one end of the connecting part, which is close to the body part, is rotatably connected with the base frame through a second rotating shaft; the hook part is used for being matched with or separated from the reinforcing mesh.

In an alternative embodiment, the end of the connecting portion remote from the body portion and the end of the hook portion remote from the body portion each extend in opposite directions.

In an alternative embodiment, the base frame has a guide chamber, the connecting portion being located in the guide chamber.

In an alternative embodiment, one end of the telescopic piece far away from the hook claw is connected with the base frame through a third rotating shaft.

In an optional embodiment, the base frame is provided with an installation cavity and a guide cavity, the installation cavity is communicated with the guide cavity at an included angle, the telescopic piece is arranged in the installation cavity, and part of the hook claw is located in the guide cavity.

In a second aspect, embodiments provide a net pulling device comprising the net pulling mechanism of any one of the preceding embodiments.

In an alternative embodiment, the net pulling device comprises a plurality of net pulling mechanisms and a supporting piece, and the plurality of net pulling mechanisms are sequentially arranged on the supporting piece at intervals along the length direction of the supporting piece.

The utility model discloses net pulling mechanism's beneficial effect includes: the mesh pulling mechanism provided by the embodiment of the utility model comprises a base frame, a transmission component and a hook claw, wherein the transmission component is arranged on the base frame, and the transmission component is in transmission connection with the hook claw and is used for driving the hook claw to rotate so as to enable the hook claw to be matched with or separated from a reinforcing mesh piece; in the welding process of the reinforcing mesh, the transmission assembly of the mesh pulling mechanism can be utilized to drive the hook claw to rotate so as to enable the hook claw to be matched with the mesh to be welded, and therefore the mesh pulling mechanism can be utilized to pull the mesh to move until the welding work of the mesh is completed; therefore, the utility model discloses a draw net mechanism need not adopt two claws of colluding to mutually support the centre gripping reinforcing bar, only need one collude the claw rotate to with the reinforcing bar net piece cooperation can, and then make this draw net mechanism's structure simpler, and can improve the convenience of using.

The utility model discloses draw net device's beneficial effect includes: the embodiment of the utility model provides a draw net device includes foretell draw net mechanism, easy operation when it uses.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first schematic structural diagram of a net pulling mechanism in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a net pulling mechanism in the embodiment of the present invention;

fig. 3 is a schematic structural view of a net pulling device in an embodiment of the present invention;

fig. 4 is the embodiment of the present invention provides a structural schematic diagram of the mesh pulling device and the reinforcing mesh sheet.

Icon: 010-a net pulling mechanism; 100-a base frame; 200-a transmission assembly; 300-hook claw; 210-a first shaft; 220-a telescoping member; 301-a second spindle; 310-a connecting portion; 320-a body portion; 330-hook part; 101-a mounting cavity; 102-a guide lumen; 311-a third rotating shaft; 020-a net pulling device; 400-a support; 110-a first side panel; 120-a second side panel; 130-a backplane; 111-a first plate; 112-a second plate; 121-a third plate; 122-a fourth plate; 131-fifth plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present embodiment provides a net pulling mechanism 010, which moves a steel mesh sheet when welding the steel mesh sheet.

Referring to fig. 1, the net pulling mechanism 010 of the present embodiment includes: the steel bar mesh hook comprises a base frame 100, a transmission assembly 200 and a hook claw 300, wherein the transmission assembly 200 is arranged on the base frame 100, and the transmission assembly 200 is in transmission connection with the hook claw 300 and used for driving the hook claw 300 to rotate so as to enable the hook claw 300 to be matched with or separated from a steel bar mesh.

In the welding process of the steel mesh, the transmission assembly 200 of the mesh pulling mechanism 010 can be used for driving the hook claw 300 to rotate, so that the hook claw 300 is matched with the mesh to be welded, and the mesh pulling mechanism 010 can be used for pulling the mesh to move until the welding work of the mesh is completed; therefore, the net pulling mechanism 010 of the embodiment does not need to adopt two hooking claws 300 to mutually cooperate with each other to clamp the steel bar, and only needs one hooking claw 300 to rotate to be matched with the steel bar net piece, so that the structure of the net pulling mechanism 010 is simpler, and the use convenience can be improved.

It should be noted that, the matching of the hook claw 300 and the mesh to be welded specifically means: collude claw 300 and wait to accomplish the horizontal muscle cooperation on the welded reinforcing bar net piece, collude claw 300 promptly and mesh piece indulge the horizontal muscle cooperation of welding on the muscle, collude claw 300 and catch the horizontal muscle of welding on the muscle that indulges of mesh piece promptly.

The hook 300 of the present embodiment is rotatably connected to the base frame 100, so that the transmission assembly 200 drives the hook 300 to rotate relative to the base frame 100, so as to ensure that the hook 300 has a stable rotation path, and thus ensure that the hook 300 can stably rotate to be matched with the steel mesh under the driving of the transmission assembly 200.

It should be noted that the hook claw 300 is rotatably connected to the base frame 100, so that the hook claw 300 can rotate around a predetermined axis relative to the base frame 100, and the transmission assembly 200 is used for driving the hook claw 300 to rotate around the predetermined axis relative to the base frame 100.

Referring to fig. 1, the transmission assembly 200 of the present embodiment includes an extensible member 220 and a first rotating shaft 210, the extensible member 220 is disposed on the base frame 100, the extensible member 220 is in transmission connection with the hook 300 through the first rotating shaft 210, and the hook 300 is rotatably connected with the base frame 100 through a second rotating shaft 301; when the telescopic member 220 extends or retracts, the hook 300 is driven to rotate around the second rotating shaft 301 and rotate around the first rotating shaft 210 relative to the telescopic member 220.

Specifically, when the telescopic member 220 extends, the hook claw 300 is pushed to rotate around the first direction, so that the hook claw 300 is matched with the steel mesh; when the telescopic member 220 is retracted, the hook 300 is pulled to rotate around a second direction opposite to the first direction, so that the hook 300 is separated from the steel mesh.

The axis of the second rotating shaft 301 is a preset axis of the hook 300 rotating relative to the base frame 100.

In other embodiments, when the telescopic member 220 is extended, the hook 300 is pushed to rotate around the second direction, so that the hook 300 is engaged with the steel mesh, and when the telescopic member 220 is retracted, the hook 300 is pulled to rotate around the first direction, so that the hook is separated from the steel mesh.

It should be noted that, the second rotating shaft 301 of the present embodiment is rotatably disposed on the base frame 100, and when the retractable member 220 drives the hook 300 to rotate, the position of the second rotating shaft 301 relative to the base frame 100 is fixed; when the telescopic member 220 drives the hook claw 300 to rotate, the first rotating shaft 210 for connecting the telescopic member 220 and the hook claw 300 can rotate around the second rotating shaft 301, and the hook claw 300 can also rotate around the first rotating shaft 210 relative to the telescopic member 220, that is, when the telescopic member 220 extends or retracts, the hook claw 300 can swing around the first rotating shaft 210 and the second rotating shaft 301 at the same time, so that the hook claw 300 can be stably matched with or separated from the steel mesh.

Referring to fig. 1, the hooking pawl 300 of the present embodiment includes a connecting portion 310, a body portion 320 and a hook portion 330, which are connected in sequence, the connecting portion 310 is connected to the body portion 320 at an included angle, one end of the connecting portion 310 away from the body portion 320 is in transmission connection with the telescopic assembly through a first rotating shaft 210, and one end of the connecting portion 310 close to the body portion 320 is rotatably connected to the base frame 100 through a second rotating shaft 301; the hook 330 is used for engaging with or disengaging from the mesh. So set up, can ensure that extensible member 220 drive colludes claw 300 and rotates, can coordinate or separate with the reinforcing bar net piece.

Further, one end of the connecting portion 310 away from the body portion 320 and one end of the hook portion 330 away from the body portion 320 extend in opposite directions; so set up, when using this net mechanism 010, be convenient for configure this net mechanism 010 as: when the telescopic member 220 extends out, the hook claw 300 is driven to rotate around the second rotating shaft 301 along the first direction, and the hook part 330 is driven to rotate downwards around the second rotating shaft 301 until the hook part is matched with the steel mesh sheet, so that when the hook claw 300 is matched with the steel mesh sheet, the self weight of the hook claw 300 is utilized, and the matching stability of the hook claw 300 and the steel mesh sheet is improved.

It should be noted that, when the telescopic element 220 is retracted, the hook portion 330 of the hook 300 is driven to rotate upward around the second rotating shaft 301, so that the hook 300 can be separated from the mesh.

In this embodiment, the included angle between the connecting portion 310 and the main body 320 is 95 °; in other embodiments, the angle between the connecting portion 310 and the body portion 320 may also be 90 °, 92 °, 100 °, 85 °, and the like.

The connection manner of the connection part 310, the body part 320 and the hook part 330 may be selected as required. The connecting portion 310, the body portion 320 and the hook portion 330 of the present embodiment are integrally formed. In other embodiments, the connection portion 310, the body portion 320 and the hook portion 330 may be welded, adhered or connected by a fastener, such as a bolt or a screw.

In this embodiment, the second rotating shaft 301 is fixedly connected to the base frame 100, and the hook claw 300 is rotatably connected to the second rotating shaft 301; in other embodiments, the hook 300 is fixedly connected to the second shaft 301, and the second shaft 301 is rotatably connected to the base frame 100, or the hook 300 is rotatably connected to the second shaft 301, and the second shaft 301 is rotatably connected to the base frame 100.

In this embodiment, the first rotating shaft 210 is fixedly connected with the telescopic member 220, and the hook 300 is rotatably connected with the first rotating shaft 210; in other embodiments, the hook 300 is fixedly connected to the first shaft 210, and the first shaft 210 is rotatably connected to the extensible member 220, or the hook 300 is rotatably connected to the first shaft 210, and the first shaft 210 is rotatably connected to the extensible member 220.

The telescoping member 220 of this embodiment is a telescoping cylinder; in other embodiments, the telescoping member 220 may also be a telescoping hydraulic cylinder, an electric push rod, or the like.

Referring to fig. 1, the net pulling mechanism 010 of the present embodiment further includes a third rotating shaft 311, and one end of the telescopic member 220 away from the hook 300 is connected to the base frame 100 through the third rotating shaft 311; so configured, the stability of the connection between the telescopic member 220 and the base frame 100 can be improved.

In other embodiments, the end of the telescopic member 220 away from the hook 300 may be fixedly connected to the base frame 100 by a fastener, such as a bolt or a screw.

In other embodiments, the telescoping member 220 may also be bonded, snapped, etc. to the base frame 100.

Referring to fig. 1, the base frame 100 of the present embodiment is provided with a mounting cavity 101 and a guide cavity 102, the mounting cavity 101 is communicated with the guide cavity 102 at an included angle, the telescopic member 220 is disposed in the mounting cavity 101, and a part of the hook 300 is located in the guide cavity 102; with such an arrangement, the stability of the connection between the extensible member 220 and the base frame 100 can be improved, and the cavity wall of the guide cavity 102 is utilized to reduce the shaking of the hook claw 300, thereby improving the stability of the rotation of the hook claw 300.

The angle formed between the mounting cavity 101 and the guide cavity 102 and the angle formed between the connecting portion 310 and the body portion 320 may be the same, for example: the angle formed between the installation cavity 101 and the guide cavity 102 in this embodiment is 95 °; in other embodiments, the included angle formed between the mounting cavity 101 and the guiding cavity 102 may also be 90 °, 92 °, 100 °, 85 °, and the like.

In this embodiment, the connecting portion 310 of the hook 300 is located in the guide cavity 102, so that the inner wall of the guide cavity 102 is used to limit the axial movement of the connecting portion 310 in the second rotating shaft 301, thereby improving the stability of the telescopic element 220 driving the hook 300 to rotate.

Referring to fig. 2, the base frame 100 of the present embodiment includes a first side plate 110, a bottom plate 130 and a second side plate 120 connected in sequence, wherein the first side plate 110 and the second side plate 120 are parallel and spaced apart, and both an end of the first side plate 110 far away from the bottom plate 130 and an end of the second side plate 120 far away from the bottom plate 130 extend toward a direction far away from the bottom plate 130; the first side plate 110 and the second side plate 120 form the mounting cavity 101 and the guide cavity 102 therebetween.

Referring to fig. 2, the first side plate 110 includes a first plate 111 and a second plate 112 connected at an included angle, and the first side plate 110 is an L-shaped flat plate; the second side plate 120 comprises a third plate 121 and a fourth plate 122 which are connected in an included angle, and the second side plate 120 is an L-shaped flat plate; the first plate 111 is disposed opposite and parallel to the third plate 121, and the second plate 112 is disposed opposite and parallel to the fourth plate 122.

Referring to fig. 2, the bottom plate 130 includes a fifth plate 131 and a sixth plate (not shown) connected at an angle; the first plate 111 and the third plate 121 are respectively connected to two sides of the fifth plate 131, and one end of the first plate 111, which is far away from the fifth plate 131, and one end of the third plate 121, which is far away from the fifth plate 131, both extend towards a direction far away from the fifth plate 131, an installation cavity 101 is formed between the first plate 111 and the third plate 121, that is, the telescopic member 220 is arranged between the first plate 111 and the third plate 121, and two ends of the third rotating shaft 311 are respectively connected with the first plate 111 and the third plate 121; the second plate 112 and the fourth plate 122 are respectively connected to two sides of the sixth plate, one end of the second plate 112, which is far away from the sixth plate, and one end of the fourth plate 122, which is far away from the sixth plate, both extend towards the direction far away from the sixth plate, a guide cavity 102 is formed between the second plate 112 and the fourth plate 122, that is, the connecting portion 310 is located between the second plate 112 and the fourth plate 122, and two ends of the second rotating shaft 301 are respectively connected to the second plate 112 and the fourth plate 122.

The included angle between the first plate 111 and the second plate 112, the included angle between the third plate 121 and the fourth plate 122, and the included angle between the fifth plate 131 and the sixth plate are all 95 degrees; in other embodiments, the included angle of the first plate 111 and the second plate 112, the included angle of the third plate 121 and the fourth plate 122, and the included angle of the fifth plate 131 and the sixth plate may also be 90 °, 92 °, 100 °, 85 °, and the like.

The connection manner between the respective plates of the base frame 100 may be selected as desired. In this embodiment, the base frame 100 has the plates integrally formed, that is, the first plate 111 and the second plate 112 of the first side plate 110 are integrally formed, the third plate 121 and the fourth plate 122 of the second side plate 120 are integrally formed, the fifth plate 131 and the sixth plate of the bottom plate 130 are integrally formed, and the first side plate 110, the second side plate 120 and the bottom plate 130 are also integrally formed. In other embodiments, the connection between the plates of the base frame 100 may be adhesive, welding, etc.

When the net pulling mechanism 010 of this embodiment is used, the telescopic element 220 can be controlled to extend out, so as to push the connecting portion 310 of the hook claw 300 and the first rotating shaft 210 to rotate around the second rotating shaft 301 synchronously, and drive the body portion 320 and the hook portion 330 to rotate around the second rotating shaft 301 along the first direction, so that the hook portion 330 can be matched with the transverse bar of the steel mesh sheet; after the welding of the mesh-sheets is completed, the telescopic element 220 may be controlled to retract, so as to pull the connection portion 310 of the hook claw 300 and the first rotating shaft 210 to rotate around the second rotating shaft 301 synchronously, and drive the body portion 320 and the hook portion 330 to rotate around the second rotating shaft 301 along the second direction, so as to separate the hook portion 330 from the mesh-sheets.

To sum up, the net pulling mechanism 010 provided by the embodiment of the present invention includes a base frame 100, a transmission assembly 200 and a hook 300, wherein the transmission assembly 200 is disposed on the base frame 100, and the transmission assembly 200 is in transmission connection with the hook 300 and is used for driving the hook 300 to rotate, so that the hook 300 is engaged with or separated from the steel mesh; in the welding process of the steel mesh, the transmission assembly 200 of the mesh pulling mechanism 010 can be used for driving the hook claw 300 to rotate, so that the hook claw 300 is matched with the mesh to be welded, and the mesh pulling mechanism 010 can be used for pulling the mesh to move until the welding work of the mesh is completed; therefore, the utility model discloses a draw net mechanism 010 need not adopt two claws 300 of colluding to mutually support the centre gripping reinforcing bar, only need one collude claw 300 rotate to with the reinforcing bar net piece cooperation can, and then make this draw net mechanism 010's structure simpler, and can improve the convenience of using.

Referring to fig. 3, the present embodiment further provides a net pulling device 020, which includes the net pulling mechanism 010; the net pulling device 020 can be used for pulling the steel mesh, and is easy to operate when in use.

Referring to fig. 3 and 4, the net pulling device 020 of the embodiment includes a plurality of net pulling mechanisms 010 and a supporting member 400, and the plurality of net pulling mechanisms 010 are sequentially disposed at intervals on the supporting member 400 along a length direction of the supporting member 400. So set up, when can reuse this net device 020 pulling reinforcing bar net piece, utilize the respective claw 300 that colludes of a plurality of net mechanism 010 to cooperate with the horizontal muscle that welds in the net piece in the vertical muscle simultaneously to pull the net piece steadily.

Further, referring to fig. 3, the base frames 100 of the plurality of net pulling mechanisms 010 are fixedly connected to the supporting member 400, and the plurality of base frames 100 are sequentially spaced and distributed in parallel; so set up, can ensure that the claw 300 that colludes that a plurality of net pulling mechanism 010 correspond all can cooperate or separate with the horizontal muscle of reinforcing bar net piece to ensure the stability that net pulling device 020 pulling net piece.

The connection manner of the base frame 100 and the support 400 may be selected as desired. The base frame 100 of the present embodiment is welded to the support 400. In other embodiments, the base frame 100 and the supporting member 400 may be connected by bonding or fastening.

The supporting member 400 may be a supporting rod having a rectangular or circular cross-section, so that the plurality of net-pulling mechanisms 010 are arranged side by side along the length direction of the supporting member 400.

It should be noted that the net pulling device 020 of the present embodiment may further include a driving device (not shown), and the driving device is in transmission connection with the supporting member 400, so as to drive the supporting member 400 and the plurality of net pulling mechanisms 010 connected to the supporting member 400 to move synchronously by using the driving device. When the net pulling device 020 is used for pulling the steel bar net piece, the plurality of net pulling mechanisms 010 connected to the support 400 are matched with the transverse ribs of the steel bar net piece, and then the support 400 and the net pulling mechanisms 010 are driven by the driving device to move together, so that the net piece is pulled.

The driving device may be, for example, an unmanned vehicle, or a rack and pinion driving device, a lead screw driving device, etc. in driving connection with the support 400.

The device 020 of hauling of this embodiment is when using, can weld 1 to 3 horizontal muscle on treating the vertical muscle of welded net piece earlier, then place the support piece 400 of device 020 of hauling on the muscle that indulges with the net piece, stretch out at the extensible member 220 of controlling each mechanism 010 of hauling, the corresponding claw 300 that colludes of drive rotates, make each collude claw 300 all with weld in the cooperation of the horizontal muscle of at least one of indulging the muscle, reuse drive arrangement drive support piece 400 and a plurality of mechanism 010 pulling net piece, treat that the net piece removes and predetermines the distance after, make the next horizontal muscle that needs the welded at back drop in indulging the muscle, treat this horizontal muscle welding back, again the repeated drive net piece removes, and the process of welding next horizontal muscle, it is accomplished until the net piece welding.

To sum up, the embodiment of the present invention provides a net pulling device 020, which comprises the net pulling mechanism 010, and is simple in operation when in use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A net pulling mechanism, comprising: the steel bar mesh hook comprises a base frame (100), a transmission assembly (200) and a hook claw (300), wherein the transmission assembly (200) is arranged on the base frame (100), the transmission assembly (200) is in transmission connection with the hook claw (300) and used for driving the hook claw (300) to rotate, so that the hook claw (300) is matched with or separated from a steel bar mesh.

2. The net hauling mechanism as claimed in claim 1, wherein the claw (300) is rotatably connected with the base frame (100).

3. The net hauling mechanism as claimed in claim 1, wherein the transmission assembly (200) comprises a telescopic member (220) and a first rotating shaft (210), the telescopic member (220) is arranged on the base frame (100), the telescopic member (220) is in transmission connection with the hook claw (300) through the first rotating shaft (210), and the hook claw (300) is rotatably connected with the base frame (100) through a second rotating shaft (301); when the telescopic piece (220) extends or retracts, the hook claw (300) is driven to rotate around the second rotating shaft (301) and rotate around the first rotating shaft (210) relative to the telescopic piece (220).

4. The net hauling mechanism as claimed in claim 3, wherein the hooking jaw (300) comprises a connecting portion (310), a body portion (320) and a hook portion (330) which are connected in sequence, the connecting portion (310) is connected with the body portion (320) at an included angle, one end of the connecting portion (310) far away from the body portion (320) is in transmission connection with the telescopic member (220) through the first rotating shaft (210), and one end of the connecting portion (310) near the body portion (320) is rotatably connected with the base frame (100) through the second rotating shaft (301); the hook part (330) is used for being matched with or separated from the steel mesh.

5. The net pulling mechanism according to claim 4, wherein an end of the connecting portion (310) away from the main body portion (320) and an end of the hook portion (330) away from the main body portion (320) extend in opposite directions, respectively.

6. A net puller mechanism according to claim 4, characterized in that the base frame (100) has a guide cavity (102), the connecting part (310) being located in the guide cavity (102).

7. The net hauling mechanism as claimed in claim 3, wherein an end of the telescopic member (220) away from the hook (300) is connected to the base frame (100) via a third shaft (311).

8. The net hauling mechanism according to claim 3, wherein the base frame (100) is provided with a mounting cavity (101) and a guide cavity (102), the mounting cavity (101) and the guide cavity (102) are communicated with each other at an included angle, the telescopic member (220) is arranged in the mounting cavity (101), and part of the hook claw (300) is located in the guide cavity (102).

9. A net pulling device, characterized by comprising the net pulling mechanism according to any one of claims 1 to 8.

10. The net pulling device according to claim 9, wherein the net pulling device (020) comprises a plurality of net pulling mechanisms and a support member (400), and the plurality of net pulling mechanisms are sequentially arranged on the support member (400) at intervals along the length direction of the support member (400).