CN212397744U - Hook bending device - Google Patents

Abstract

The utility model provides a hooking and bending device, which relates to the technical field of truss assembling tools and is used for enabling the lap joint part of a hooked and bent component to form a hooking and bending part around a truss; the hooking and bending device comprises: the clamping frame, the hooking and bending mechanism and the driving mechanism are arranged; the clamping frame is used for positioning the truss; the hooking and bending mechanism is movably connected with the clamping frame and is used for abutting against the lap joint part; actuating mechanism is used for driving hook mechanism to remove for the truss to make overlap joint portion bending type become hook portion, the utility model provides a hook device can be with overlap joint portion bending type become hook portion to need not the manpower and buckle, compare in the manpower hook curved efficiency that has improved hook.

Description

Hook bending device

Technical Field

The utility model belongs to the technical field of truss erecting tool technique and specifically relates to a hook device that bends.

Background

The truss includes: the lower chord rib 1 ', the upper chord rib 2' and the web member rib 3 ', the extension direction of the lower chord rib 1' is parallel to the extension direction of the upper chord rib 2 ', and the web member rib 3' is connected between the lower chord rib 1 'and the upper chord rib 2'. The hooked member 4' includes: the extension 41 ' and the bent portion 42 ' are formed by bending the hooked member into two extension 41 ' and forming a bent portion 42 ' between the two extension 41 '. When the truss is assembled, the extension part 41 'is welded with the lower chord rib 1', the extension part 41 'is lapped with the lower chord rib 1' and is connected by welding; the extending portion 41 'extends to the side of the lower string rib 1' away from the bending portion 42 'to form a lap joint portion 401'. In order to enhance the connection strength between the extension 41 ' and the lower chord 1 ', the overlapping part 401 ' needs to be bent around the extension 41 ' to form the hook 402 ', however, the prior art lacks a hook device for truss assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hook device that bends to solve and lack the technical problem who is used for the hook device that bends of truss assembly among the prior art.

In a first aspect, the present invention provides a hooking and bending device for forming a hooked portion around a truss by a lap portion of a hooked member; the hooking and bending device comprises: the clamping frame, the hooking and bending mechanism and the driving mechanism are arranged; the clamping frame is used for positioning the truss; the hooking and bending mechanism is movably connected with the clamping frame and is used for abutting against the lap joint part; the driving mechanism is used for driving the hooking mechanism to move relative to the truss so as to bend the lap joint part to form the hooking part.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein a movable support is disposed between the hooking and bending mechanism and the clamping frame; the hooking and bending mechanism is connected with the movable support, one end of the movable support is pivoted to the clamping frame, and an adjusting mechanism is arranged between the other end of the movable support and the clamping frame; the adjusting mechanism is used for adjusting the movable support to swing relative to the clamping frame.

With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the movable support includes: the first frame body, the second frame body and the elastic element; the first frame body is connected with the clamping frame, the hooking and bending mechanism is connected with the second frame body, the second frame body is movably connected with the first frame body, and the second frame body is provided with a first station and a second station; the driving mechanism is used for driving the second frame body to move from the first station to the second station so as to enable the hooking mechanism to bend the lap joint part to form the hooking part; the elastic element is arranged between the first frame body and the second frame body, so that the second frame body has a tendency to move from the second station to the first station.

With reference to the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the hooking mechanism is slidably connected to the second frame body; and a locking assembly is arranged on the second frame body and used for locking the hooking mechanism on the second frame body.

With reference to the second possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the driving mechanism includes: a power assembly and a crowd member; the pushing piece is movably connected to the clamping frame, the power assembly is in transmission connection with the pushing piece, and the pushing piece is abutted to the second frame body to drive the second frame body to move from the first station to the second station.

With reference to the fourth possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the clamping frame is connected to a power support, and the pushing member is rotatably connected to the clamping frame; the power assembly comprises a driving cylinder, the fixed end of the driving cylinder is pivoted to the power support, the movable end of the driving cylinder is pivoted to the connecting rod, and the connecting rod is connected with the pushing piece.

With reference to the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the hooking mechanism includes: the hook bending machine comprises a hook bending machine frame, a first driving piece and a hook bending piece; the hooking and bending machine frame is movably connected with the clamping frame, and the hooking and bending piece is movably connected with the hooking and bending machine frame; the first driving piece is connected with the hooking and bending rack and is in transmission connection with the hooking and bending piece so that the hooking and bending piece is provided with a separating station and a hooking and bending station; at the separating station, the hooking piece is separated from the hooked member; at the hooking station, the hooking piece abuts the hooked member.

With reference to the second possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the hooked member is bent to form two extending portions, and a bent portion is formed between the two extending portions; the hooking mechanism is provided with an insertion block; when the second frame body is positioned at the first station, the insert block abuts against the two extending parts; when the second frame body moves from the first station to the second station, the inserting block stretches the bending part to form a flat part.

With reference to the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the clamping frame is provided with a first groove for accommodating the truss; the first groove penetrates through the clamping frame along the extending direction of the truss.

In combination with the eighth possible implementation manner of the first aspect, the utility model provides a ninth possible implementation manner of the first aspect, wherein, the clamping frame is provided with the groove of stepping down, the extending direction of the groove of stepping down is parallel to the extending direction of the first groove, just the groove of stepping down is followed the extending direction of the truss runs through the clamping frame.

The embodiment of the utility model provides a following beneficial effect has been brought: the hooking and bending device is used for enabling the lapping part of a hooked and bent component to form a hooking and bending part around a truss, the hooking and bending device comprises a clamping frame, a hooking and bending mechanism and an actuating mechanism, the clamping frame is used for positioning the truss, the hooking and bending mechanism is movably connected with the clamping frame, the hooking and bending mechanism is used for abutting the lapping part, the actuating mechanism is used for driving the hooking and bending mechanism to move relative to the truss, so that the lapping part is bent to form the hooking and bending part, the clamping and positioning of the truss can be achieved through the clamping frame, the driving mechanism is used for driving the hooking and bending mechanism to move relative to the truss, the lapping part can be bent to form the hooking and bending part, manpower bending is not needed, and hooking and bending efficiency is improved compared with.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a truss and hooked members;

FIG. 2 is a left side view of the truss and hooked member;

fig. 3 is a left side view of the hooking and bending device provided by the embodiment of the present invention;

fig. 4 is a left side view of the hooking mechanism and the movable bracket of the hooking device according to the embodiment of the present invention;

fig. 5 is a schematic view of a hooking mechanism of a hooking device according to an embodiment of the present invention;

fig. 6 is a schematic view of a movable bracket and an adjusting mechanism of the hooking and bending device provided by the embodiment of the present invention;

fig. 7 is a sectional view of a movable bracket and an adjusting mechanism of the hooking and bending device provided by the embodiment of the present invention;

fig. 8 is a schematic view of a driving mechanism and a power bracket of the hook bending device according to an embodiment of the present invention;

fig. 9 is a schematic view of a pushing member of the hook bending apparatus according to an embodiment of the present invention;

fig. 10 is a left side view of a clamping frame of the hooking and bending device provided by the embodiment of the present invention;

FIG. 11 is an enlarged view of position A of FIG. 10;

fig. 12 is a schematic view of a first clamping assembly according to an embodiment of the present invention.

Icon: 1' -lower chord; 2' -upper chord rib; 3' -web bar; 4' -hooked members; 401' -lap joint; 402' -hook portion; 41' -an extension; 42' -a bend; 43' -flat portion; 100-clamping frame; 101-a first trench; 102-a yield slot; 103-T-shaped grooves; 110-a clamping frame; 120-a first clamping assembly; 121-a clamping block; 122-a first mobile gantry; 123-a top block; 124-lifting screw; 125-side baffle; 126-a second mobile rack; 127-a lateral adjustment member; 130-a second clamping component; 200-hooking and bending mechanism; 201-hooking and bending the frame; 2011-carriage; 2012-a support frame; 2013-a hinged seat; 202-a first drive member; 203-hook member; 2031-swing arm; 2032-hook element; 2033-hook portion; 204-an insert block; 210-a first hook assembly; 220-a second hook assembly; 300-a drive mechanism; 310-a power assembly; 320-a pushing member; 321-a rotating shaft; 322-a first boss; 323-a second boss; 330-connecting rod; 400-a movable support; 401-a first frame; 402-a second rack; 4021-a rotating wheel; 4022-a slideway; 403-a resilient element; 4031-spring seat; 4032-rod member; 404-a locking assembly; 4041-a screw; 4042-a first retaining ring; 4043-a second retainer ring; 410-a first sideframe; 420-a second sideframe; 500-an adjustment mechanism; 510-a first pivot axis; 520-a guide bar; 530-a second pivot axis; 600-power support.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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.

As shown in fig. 1 and 2, the upper chord rib 2 ' is connected with two lower chord ribs 1 ', and a web bar rib 3 ' is connected between the upper chord rib 2 ' and each lower chord rib 1 ', so as to form a triangular truss. The hooked members 4 'are respectively welded at the opposite positions of the two lower chord ribs 1', and the hooked members 4 'are positioned at the inner sides of the two lower chord ribs 1'.

Example one

As shown in fig. 1, 2 and 3, the hook bending device provided by the embodiment of the present invention is used to make the lap part 401 ' of the hooked member 4 ' form a hook part 402 ' around the truss; the hooking and bending device comprises: the clamping frame 100, the hooking and bending mechanism 200 and the driving mechanism 300; the clamping frame 100 is used for positioning the truss; the hooking and bending mechanism 200 is movably connected with the clamping frame 100, and the hooking and bending mechanism 200 is used for abutting against the lap joint part 401'; the driving mechanism 300 is used for driving the hooking mechanism 200 to move relative to the truss so as to bend the overlapping part 401 'to form the hooking part 402'.

Specifically, the clamping frame 100 is used for clamping and positioning the truss, so that the truss is prevented from moving along the direction perpendicular to the extending direction of the truss. The hook bending mechanism 200 abuts against the bridging portion 401 ', and under the driving action of the driving mechanism 300, the bridging portion 401' is bent around the lower chord 1 'of the truss to form the hook bending portion 402', so that the stability of connection between the extension portion 41 'and the lower chord 1' is improved.

It should be noted that the hook bending mechanism 200 abuts against the overlapping portion 401 ', and the driving mechanism 300 drives the hook bending mechanism 200, so that the hook bending mechanism 200 pushes the overlapping portion 401' outwards from the inner sides of the two lower chords 1 ', and further the overlapping portion 401' bends around the lower chords 1 'to form the hook bending portion 402'.

In some embodiments, the clamping frame 100 is a clamp such as a vice, and the driving mechanism 300 is configured as a cylinder or a motor for driving the hooking mechanism 200 to move circumferentially around the lower string 1'.

As shown in fig. 1, 4, 5, 6 and 7, in the embodiment of the present invention, a movable support 400 is disposed between the hooking and bending mechanism 200 and the clamping frame 100; the hooking and bending mechanism 200 is connected with a movable support 400, one end of the movable support 400 is pivoted to the clamping frame 100, and an adjusting mechanism 500 is arranged between the other end of the movable support 400 and the clamping frame 100; the adjustment mechanism 500 is used to adjust the swing of the movable bracket 400 with respect to the clamping frame 100. Specifically, the hooking and bending mechanism 200 is connected to the movable bracket 400, and the movable bracket 400 is used for enabling the hooking and bending mechanism 200 to have a movable stroke, so that the driving mechanism 300 drives the hooking and bending mechanism 200 to move, and the hooking and bending mechanism 200 drives the overlapping part 401 'to bend to form the hooking part 402'. One end of the movable bracket 400 is hinged to the clamping frame 100, and the other end of the movable bracket 400 is connected to the clamping frame 100 through the adjusting mechanism 500, so that the movable bracket 400 is adjusted to swing around the hinge shaft by a certain angle, and the moving track of the hook bending mechanism 200 is changed. By changing the moving track of the hook bending mechanism 200, the angle of the bending overlapping part 401 'of the hook bending mechanism 200 is changed, and the hook bending part 402' with different bending angles can be obtained.

In some embodiments, the adjusting mechanism 500 is configured as a telescopic cylinder, one end of the telescopic cylinder is hinged to the clamping frame 100, and the other end of the telescopic cylinder is hinged to the movable support 400, and the movable support 400 can be driven to rotate around a hinged shaft by the telescopic cylinder, so as to change the motion track of the hooking mechanism 200.

In this embodiment, the adjusting mechanism 500 includes: a first pivot shaft 510, a guide lever 520, and a second pivot shaft 530; the first pivot shaft 510 is pivoted to the movable bracket 400, the second pivot shaft 530 is pivoted to the clamping frame 100, one end of the guide rod 520 is in threaded fit with a threaded hole on the first pivot shaft 510, the other end of the guide rod 520 passes through a through hole on the second pivot shaft 530, the guide rod 520 is in fit with two nuts, the second pivot shaft 530 is clamped between the two nuts, and the distance between the first pivot shaft 510 and the second pivot shaft 530 can be adjusted by adjusting the positions of the two nuts on the guide rod 520, so that the movable bracket 400 rotates for a certain angle around a hinge shaft far away from one end of the first pivot shaft 510, and therefore, the included angle between the movable bracket 400 and the overlapping part 401 'is changed, and further, the moving track of the hooking mechanism 200 connected to the movable bracket 400 is changed, and the adjustment of the bending angle of the hooking part 402' is realized.

Further, the movable bracket 400 comprises a first side frame 410 and a second side frame 420, the hook bending mechanism 200 comprises a first hook assembly 210 and a second hook assembly 220, the first hook assembly 210 is connected with the first side frame 410, the second hook assembly 220 is connected with the second side frame 420, the first side frame 410 and the second side frame 420 are respectively movably connected with the clamping frame 100, so that the first hook assembly 210 and the second hook assembly 220 can move towards the opposite directions under the driving of the driving mechanism 300; the first hook component 210 abuts against the lapping part 401 'on one side of the truss, the second hook component 220 abuts against the lapping part 401' on the other side of the truss, when the first hook component 210 and the second hook component 220 move towards the direction away from each other, the lapping part 401 'on one side of the truss bends around the lower chord 1' connected with the lapping part to form the hook bending part 402 'towards the moving direction of the first hook component 210, and the lapping part 401' on the other side of the truss bends around the lower chord 1 'connected with the lapping part to form the hook bending part 402' towards the moving direction of the second hook component 220.

Further, the movable bracket 400 includes: a first frame 401, a second frame 402 and an elastic member 403; the first frame body 401 is connected with the clamping frame 100, the hooking and bending mechanism 200 is connected with the second frame body 402, the second frame body 402 is movably connected with the first frame body 401, and the second frame body 402 is provided with a first station and a second station; the driving mechanism 300 is used for driving the second frame body 402 to move from the first station to the second station, so that the hook bending mechanism 200 bends the overlapping part 401 'to form a hook bending part 402'; an elastic element 403 is arranged between the first frame 401 and the second frame 402 to give the second frame 402 a tendency to move from the second station to the first station.

Specifically, the first side frame 410 and the second side frame 420 each include: a first frame 401, a second frame 402 and an elastic member 403; a sliding groove is formed in the first frame body 401, and the second frame body 402 is connected to the sliding groove in a sliding mode. The spring seat 4031 is connected with the first side frame 410, the elastic element 403 comprises a spring or an elastic gasket, the elastic element 403 abuts between the spring seat 4031 and the second frame body 402, and the elastic element 403 is used for enabling the second frame body 402 of the first side frame 410 and the second frame body 402 of the second side frame 420 to have the tendency to move towards each other. The driving mechanism 300 pushes the two second frame bodies 402 to move away from each other, so that the hooking and bending processing is realized; after the processing is completed, the two second frame bodies 402 return under the elastic force of the elastic element 403. A rod 4032 is in threaded fit with the spring seat 4031, and the rod 4032 is sleeved with the spring, so that the spring is positioned.

Further, the hooking and bending mechanism 200 is slidably connected to the second frame 402; a locking assembly 404 is disposed on the second frame 402, and the locking assembly 404 is used for locking the hooking mechanism 200 on the second frame 402. The top of the second frame 402 is provided with a slide 4022, the hook bending mechanism 200 is slidably connected in the slide 4022, the locking assembly 404 is configured as a bolt, the bolt is connected with the second frame 402 in a matching manner and abuts against the hook bending mechanism 200, and the axis of the bolt is perpendicular to the extending direction of the slide 4022, so that the hook bending mechanism 200 is fixed relative to the second frame 402 through the bolt, and thus the position of the hook bending mechanism 200 on the second frame 402 can be adjusted. Alternatively, the locking assembly 404 includes: screw 4041, first retaining ring 4042 and second retaining ring 4043, be connected with the locking seat on the second support body 402, through-hole or logical groove on the locking seat are passed through to screw 4041, and first retaining ring 4042 and second retaining ring 4043 are connected with screw 4041 cooperation respectively, first retaining ring 4042 and second retaining ring 4043 centre gripping locking seat, screw 4041 cooperation connection hook curved mechanism 200, thereby adjust first retaining ring 4042 and second retaining ring 4043 position on screw 4041 alright the position of adjusting hook curved mechanism 200 on second support body 402, and can realize the fixed to hook curved mechanism 200 position.

As shown in fig. 2, 4, 6, and 8, the driving mechanism 300 includes: a power assembly 310 and a crowd 320; the pushing member 320 is movably connected to the clamping frame 100, the power assembly 310 is in transmission connection with the pushing member 320, and the pushing member 320 abuts against the second frame 402 to drive the second frame 402 to move from the first station to the second station.

In some embodiments, the power assembly 310 includes a motor, and the pushing member 320 is configured as a cam, which is connected to a transmission shaft of the motor, drives the cam to rotate by the motor, and is pushed by the cam to slide the second frame 402 relative to the first frame 401; alternatively, the driving mechanism 300 is configured as an air cylinder, one end of the air cylinder is connected to the mounting jig 100, and the other end of the air cylinder is extended to push the second frame 402 to slide relative to the first frame 401.

In this embodiment, the clamping frame 100 is connected to the power bracket 600, and the pushing member 320 is rotatably connected to the clamping frame 100; the power assembly 310 includes a driving cylinder, a fixed end of the driving cylinder is pivoted to the power bracket 600, a movable end of the driving cylinder is pivoted to the connecting rod 330, and the connecting rod 330 is connected to the pushing member 320. The driving cylinder is configured as an air cylinder or a hydraulic cylinder, and the driving cylinder can push and pull the connecting rod 330 in a telescopic manner, so that the pushing piece 320 is driven to rotate by the connecting rod 330. The cross-sectional shape of the pushing member 320 is configured as an oval, a triangle or a diamond, and the pushing member 320 is abutted between the first side frame 410 and the second side frame 420, so that the two second racks 402 can be driven to move away from each other.

Further, a rotating wheel 4021 is rotatably connected to the second frame body 402, the rotating wheel 4021 abuts against the pushing member 320, and when the pushing member 320 rotates, the rotating wheel 4021 rubs against the pushing member 320 to rotate, so as to reduce the friction force between the pushing member 320 and the movable bracket 400.

As shown in fig. 2, 4 and 9, the pushing element 320 includes a rotating shaft 321, a first protrusion 322 and a second protrusion 323, the first protrusion 322 and the second protrusion 323 are respectively connected to the rotating shaft 321, the first protrusion 322 and the second protrusion 323 are arranged at intervals along the circumferential direction of the rotating shaft 321, and the central angle corresponding to the circular arc between the first protrusion 322 and the second protrusion 323 along the circumference of the rotating shaft 321 is 180 degrees. In other words, the crowd 320 is configured as a camshaft having a first lobe 322 and a second lobe 323. When the pushing member 320 rotates around the axis of the rotating shaft 321, the first protrusion 322 pushes the first side frame 410, and the second protrusion 323 pushes the second side frame 420, so that the first hook assembly 210 and the second hook assembly 220 can move away from each other, respectively, to bend the two hooked members 4'.

As shown in fig. 1, 4, 5, and 6, the hooking mechanism 200 includes: a hooking frame 201, a first driving member 202 and a hooking member 203; the hooking and bending machine frame 201 is movably connected with the clamping frame 100, and the hooking and bending piece 203 is movably connected with the hooking and bending machine frame 201; the first driving piece 202 is connected with the hook bending machine frame 201, and the first driving piece 202 is in transmission connection with the hook bending piece 203 so that the hook bending piece 203 has a separating station and a hook bending station; at the separating station, the hooking piece 203 is separated from the hooked member 4'; in the hooking station, the hooking member 203 abuts against the hooked member 4'. The first drive member 202 comprises a hydraulic cylinder which is extended to drive the hook member 203 to the disengagement position and which is shortened to drive the hook member 203 to the hooking position.

Specifically, the hooking and bending machine frame 201 comprises a sliding frame 2011, a supporting frame 2012 and an articulated seat 2013, the extending direction of the supporting frame 2012 is perpendicular to the extending direction of the sliding frame 2011, the sliding frame 2011 is connected with the supporting frame 2012, the fixed end of the hydraulic cylinder is hinged with the supporting frame 2012, the movable end of the hydraulic cylinder is hinged with the hooking and bending piece 203, the hooking and bending part 2033 is arranged at one end of the hooking and bending piece 203, which is connected with the first driving piece 202, the hooking and bending piece 203 is hinged with the articulated seat 2013, and the articulated seat 2013 is connected with the sliding frame 2011. When the first actuator 202 is retracted, the hooking member 203 rotates about the hinge axis of the hinge base 2013, thereby causing the hooking portion 2033 to abut the bridge 401'. The carriage 2011 is slidably coupled within the slide 4022 and the carriage 2011 is locked by the locking assembly 404. The driving mechanism 300 drives the movable bracket 400, thereby driving the hooking frame 201 to move, and further causing the hooking portion 2033 to press the overlapping portion 401 'to bend to form a hooking portion 402'.

Further, the hinge base 2013 is slidably connected to the sliding frame 2011, and the hinge base 2013 is locked to the sliding frame 2011 by a bolt or a pin. For example: a through groove is formed in the hinge base 2013, a bolt penetrates through the through groove and is connected with the sliding frame 2011 in a matching mode, and when the hinge base 2013 slides along the sliding frame 2011, the bolt slides along the through groove, so that the position of the hinge base 2013 is changed; the bolts are tightened to fix the hinge base 2013 and the carriage 2011 relative to each other. The included angle between the hydraulic cylinder and the hooking piece 203 can be changed by adjusting the position of the hinged seat 2013, and then the positions of the separating station and the hooking station are respectively adjusted so as to be suitable for hooked and bent components 4' with different sizes.

Further, the hook 203 includes a swing arm 2031 and a hook member 2032, the hook portion 2033 is connected to the hook member 2032, and the hook portion 2033 is protruded perpendicular to the extending direction of the hook member 2032, so that the bridge 401' can be hooked. The hook 2032 is provided with a groove extending in the extending direction of the swing arm 2031, and a bolt is inserted into the groove and engaged with the swing arm 2031, so that the hook 2032 can be fixed to the swing arm 2031 by fastening the bolt. The adjusting hook 2032 moves along the extending direction of the swing arm 2031 and is locked by a bolt, so that the extending length of the hook 203 can be adjusted, and the adjustable hook is suitable for trusses of different sizes.

Further, the hooked member 4 'is bent to form two extending portions 41', and a bent portion 42 'is formed between the two extending portions 41'; the hooking and bending mechanism 200 is provided with an insertion block 204; when the second frame 402 is at the first station, the insert block 204 abuts against the two extending portions 41'; when the second frame 402 moves from the first station to the second station, the insert block 204 stretches the bent portion 42 'to form the flat portion 43'. When the hook 2033 abuts the lap 401 ', the plug 204 is located between the two extensions 41 ', and the width of the plug 204 is smaller than the distance between the two extensions 41 '. When the second frame 402 moves from the first station to the second station, the hook portion 2033 pushes the extending portion 41 'to bend to form a hook portion 402', the insertion block 204 stretches the two extending portions 41 ', the insertion block 204 is inserted between the two extending portions 41', and the bending portion 42 'is forced to form a flat portion 43'. The plate member may be lapped on the flat portion 43' to perform truss assembly.

As shown in fig. 1, 10, 11 and 12, the clamping frame 100 is provided with a first groove 101 for accommodating a truss; the first groove 101 penetrates the clamping frame 100 in the extending direction of the truss. The clamping frame 100 includes a clamping frame 110, a first clamping assembly 120 and a second clamping assembly 130, the first clamping assembly 120 and the second clamping assembly 130 are respectively connected to the clamping frame 110, and a clamping area for accommodating a truss is formed between the first clamping assembly 120 and the second clamping assembly 130. The first clamping assembly 120 and the second clamping assembly 130 are both provided with first grooves 101, the two first grooves 101 are arranged oppositely, one lower chord 1 'of the truss is matched in the first groove 101 of the first clamping assembly 120, and the other lower chord 1' of the truss is matched in the first groove 101 of the second clamping assembly 130. The truss can be clamped and fixed by the first clamping assembly 120 and the second clamping assembly 130, so that the movement of the truss is limited. In addition, the truss can slide between the first clamping component 120 and the second clamping component 130 along the extending direction of the lower chord 1 ', thereby facilitating the movement of the hooked member 4' to be hooked on the truss between the first clamping component 120 and the second clamping component 130.

Further, the clamping frame 100 is provided with an abdicating groove 102, an extending direction of the abdicating groove 102 is parallel to an extending direction of the first groove 101, and the abdicating groove 102 penetrates through the clamping frame 100 along the extending direction of the truss. The first clamping assembly 120 and the second clamping assembly 130 are both provided with the abdicating groove 102, and the hook bending part 402 'can be bent into the abdicating groove 102, so that the clamping frame 100 is prevented from being collided when the hook bending part 402' is bent. When the truss is moved in the extending direction of the truss, the hook 402' can slide along the receding groove 102, thereby ensuring smooth movement of the truss.

Further, the first clamping assembly 120 and the second clamping assembly 130 each include: a clamping block 121, a first moving frame 122, a top block 123 and a lifting screw 124; the clamping block 121 is slidably connected to the first moving frame 122, the top block 123 is connected to the first moving frame 122, the lifting screw 124 is in threaded fit with the top block 123, the lifting screw 124 is rotatably connected to the clamping block 121, the axial direction of the lifting screw 124 is axially limited with the clamping block 121, and the axial direction of the lifting screw 124 is parallel to the sliding direction of the clamping block 121. The clamp block 121 is adjustable to slide relative to the first moving frame 122 by rotating the elevation screw 124. The lifting screw 124 is configured as a bolt, the clamping block 121 is provided with a T-shaped groove 103, an end cap of the bolt is inserted into the T-shaped groove 103, and the bolt can move up and down relative to the top block 123, so that the clamping block 121 can be pushed and pulled to move along the axial direction of the bolt. The clamping block 121 is further provided with a limiting groove, the side baffle 125 is connected with the first movable frame 122, the side baffle 125 is provided with an edge part inserted into the limiting groove, when the clamping block 121 moves up and down, the edge part slides along the limiting groove, the clamping block 121 is further limited through the side baffle 125, and the clamping block 121 is prevented from falling off from the first movable frame 122.

Further, the first movable frame 122 is slidably connected to the second movable frame 126, and the first movable frame 122 is locked to the second movable frame 126 by the lateral adjustment member 127. Wherein, horizontal adjusting part 127 includes horizontal screw rod, and horizontal screw rod cooperation is connected second and is removed frame 126, and horizontal screw rod rotates and connects first removal frame 122, and horizontal screw rod is equipped with and makes first removal frame 122 and horizontal screw rod axial spacing snap ring or bulge loop portion, and the extending direction of horizontal screw rod is on a parallel with the sliding direction of first removal frame 122, and then just can adjust first removal frame 122 and slide for second removal frame 126 through rotatory horizontal screw rod. The second movable frame 126 is connected to the clamping frame 110, and the distance between the two first movable frames 122 is changed by adjusting the transverse adjusting member 127, so that the truss can be clamped between the first clamping assembly 120 and the second clamping assembly 130.

As shown in fig. 1 to 12, the hooking method includes the steps of: welding the extension 41 'of the hooked member 4' to the truss; clamping the truss to the clamping frame 100; the hook bending mechanism 200 is employed to abut the lap portion 401 ', and the drive mechanism 300 is used to drive the hook bending mechanism 200 to bend the lap portion 401 ' to form the hook bending portion 402 '. The hooking method provided by this embodiment adopts the hooking device in the first embodiment, and both the using method and the technical effects of the hooking device are described in the first embodiment, so that no further description is given here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A hooking and bending device, characterized in that it is adapted to form a hook (402 ') of the lap (401 ') of a hooked member (4 ') around a truss;

the hooking and bending device comprises: the clamping frame (100), the hooking and bending mechanism (200) and the driving mechanism (300);

the clamping frame (100) is used for positioning the truss;

the hooking and bending mechanism (200) is movably connected with the clamping frame (100), and the hooking and bending mechanism (200) is used for abutting against the lap joint part (401');

the driving mechanism (300) is used for driving the hook bending mechanism (200) to move relative to the truss so as to bend the lap joint part (401 ') to form the hook bending part (402').

2. The hooking and bending device according to claim 1, characterized in that a movable bracket (400) is arranged between the hooking and bending mechanism (200) and the clamping frame (100);

the hooking and bending mechanism (200) is connected with the movable support (400), one end of the movable support (400) is pivoted to the clamping frame (100), and an adjusting mechanism (500) is arranged between the other end of the movable support (400) and the clamping frame (100);

the adjusting mechanism (500) is used for adjusting the movable support (400) to swing relative to the clamping frame (100).

3. The hooking device according to claim 2, characterized in that said mobile bracket (400) comprises: a first frame (401), a second frame (402) and an elastic element (403);

the first frame body (401) is connected with the clamping frame (100), the hooking and bending mechanism (200) is connected with the second frame body (402), the second frame body (402) is movably connected with the first frame body (401), and the second frame body (402) is provided with a first station and a second station;

the driving mechanism (300) is used for driving the second rack body (402) to move from the first station to the second station, so that the hook bending mechanism (200) bends the lap part (401 ') to form the hook bending part (402');

the elastic element (403) is arranged between the first frame (401) and the second frame (402) so that the second frame (402) has a tendency to move from the second station to the first station.

4. The hooking and bending device according to claim 3, characterized in that said hooking and bending mechanism (200) is slidingly coupled to said second frame (402);

and a locking assembly (404) is arranged on the second frame body (402), and the locking assembly (404) is used for locking the hooking and bending mechanism (200) on the second frame body (402).

5. The hooking and bending device according to claim 3, characterized in that said driving mechanism (300) comprises: a power assembly (310) and a pusher (320);

the pushing piece (320) is movably connected to the clamping frame (100), the power assembly (310) is in transmission connection with the pushing piece (320), and the pushing piece (320) abuts against the second frame body (402) to drive the second frame body (402) to move from the first station to the second station.

6. Hooking and bending device according to claim 5, characterised in that said clamping frame (100) is connected to a power bracket (600), said thrust element (320) being rotatably connected to said clamping frame (100);

the power assembly (310) comprises a driving cylinder, the fixed end of the driving cylinder is pivoted on the power support (600), the movable end of the driving cylinder is pivoted on a connecting rod (330), and the connecting rod (330) is connected with the pushing piece (320).

7. The hooking device according to claim 1, characterized in that said hooking mechanism (200) comprises: a hooking rack (201), a first driving piece (202) and a hooking piece (203);

the hooking and bending rack (201) is movably connected with the clamping rack (100), and the hooking and bending piece (203) is movably connected with the hooking and bending rack (201);

the first driving piece (202) is connected with the hooking rack (201), and the first driving piece (202) is in transmission connection with the hooking piece (203) so that the hooking piece (203) has a separating station and a hooking station;

at the separating station, the hook member (203) is separated from the hooked member (4');

in the hooking station, the hooking piece (203) abuts against the hooked member (4').

8. A hook bending device according to claim 3, wherein said member to be hooked (4 ') is bent to form two extensions (41'), and a bend (42 ') is formed between said two extensions (41');

the hooking and bending mechanism (200) is provided with an inserting block (204);

when the second rack (402) is in the first station, the insert block (204) abuts against the two extensions (41');

when the second frame body (402) moves from the first station to the second station, the inserting block (204) stretches the bent part (42 ') to form a flat part (43').

9. Hooking and bending device according to claim 1, characterised in that said clamping frame (100) is provided with a first channel (101) for housing said truss;

the first groove (101) penetrates through the clamping frame (100) along the extending direction of the truss.

10. The hooking and bending device according to claim 9, wherein the clamping frame (100) is provided with an abdicating groove (102), the extending direction of the abdicating groove (102) is parallel to the extending direction of the first groove (101), and the abdicating groove (102) penetrates the clamping frame (100) along the extending direction of the truss.

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