Locking lifting appliance

Abstract

The utility model discloses a locking lifting appliance which comprises a locking frame, the locking frame comprises adjusting blocks, the number of the adjusting blocks is two, an adjusting assembly is assembled between the two adjusting blocks, the upper end and the lower end of each adjusting block are respectively hinged with one end of a connecting arm, the other end of each connecting arm is hinged with a clamping seat, and a clamping arm is fixedly assembled on the side wall of the clamping seat. The lifting appliance has two use modes, the lifting hooks on the upper side and the lower side can be close to each other by rotating the adjusting screw rod, the lifting hooks can be matched with lifting equipment to lift plate workpieces after clamping and fixing the workpieces, and when the thicknesses of the lifted workpieces are different, the lifting appliance with the fixing part and the clamping part matched for use can be adopted, so that the lifting appliance is convenient to use. The relative distance between the clamping part and the fixing part can be adjusted through the connecting assembly, so that the lifting appliance can be used for lifting plate type workpieces or cylinder type workpieces with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field, concretely relates to a locking lifting appliance. BACKGROUND

[0002] The lifting appliance is used with the hoisting machinery, and is a tool for lifting heavy goods. The existing lifting appliance adopts a lifting method such as a steel wire rope or a lifting belt when lifting plate type workpieces. However, when lifting by using the steel wire rope or the lifting belt, the connection and fixing process between the lifting structure and the plate type workpiece or the cylindrical workpiece is relatively complex, and the connection and fixing operation between the workpiece and the lifting belt before lifting is also relatively cumbersome. Therefore, the utility model provides a locking lifting appliance. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a locking lifting appliance to solve the problems in the above background.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a locking lifting appliance, comprising a locking frame, the locking frame comprises an adjusting block, the number of the adjusting block is two, the adjusting assembly is assembled between the two adjusting blocks, one end of the connecting arm is hinged at the upper and lower ends of the two adjusting blocks, the other end of the connecting arm is hinged with a clamping seat, and the side wall of the clamping seat is fixedly assembled with a clamping arm.

[0005] Preferably, the adjusting assembly comprises an adjusting screw, the adjusting screw penetrates the middle part of the two adjusting blocks respectively, the middle part of the adjusting screw is provided with a lifting part, and the end part of the adjusting screw is fixedly connected with a nut.

[0006] Preferably, the side wall of the adjusting screw is screwed with a backup nut which is symmetrically distributed left and right.

[0007] Preferably, the clamping arm comprises a lifting hook, the lifting hook is in the shape of J, and a reinforcing block is fixedly connected between the lifting hook and the clamping seat.

[0008] Preferably, the clamping arm comprises a fixed part, one end of the fixed part is fixedly connected to the side wall of the clamping seat, the other end of the fixed part is assembled with a clamping part, and a connecting assembly is assembled between the fixed part and the clamping part.

[0009] Preferably, the connecting assembly comprises a connecting screw, one end of the connecting screw is rotatably connected to the side wall of the clamping part, the other end of the connecting screw is fixedly connected with a hand wheel penetrating the fixed part, the side wall of the clamping part is fixedly connected with a connecting frame, the connecting frame is inserted into a connecting groove, the connecting groove is opened in the side wall of the fixed part, the side wall of the connecting frame is uniformly provided with a fastening screw hole, and the side wall of the fixed part is assembled with a fastening screw which is screwed into the fastening screw hole.

[0010] Compared with the prior art, the utility model discloses a locking lifting appliance, mainly used for cooperation hoisting operation of plate type workpiece or cylinder type workpiece of hoisting equipment, has two kinds of use mode, when needing hoisting workpiece of fixed thickness in large quantities, adopt the size fixed lifting hook, can make the lifting hook of upper side and lower side close to each other through the rotation adjusting screw, can cooperate hoisting equipment to hoist workpiece after the lifting hook clamping fixed workpiece, when the thickness of hoisted workpiece is inconsistent, can adopt the lifting appliance of fixed part and clamping part mutual cooperation, through connecting assembly, the relative distance between clamping part and fixed part can be adjusted, thereby the lifting appliance can hoist operation to the workpiece of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the perspective view of the utility model embodiment one.

[0012] Figure 2 It is the structure schematic view of the utility model embodiment one.

[0013] Figure 3 It is the structure schematic view of the utility model embodiment two.

[0014] Figure 4 It is the structure schematic view of the utility model embodiment two inner connecting assembly.

[0015] Figure 5 It is the structure schematic view of the utility model to plate type workpiece hoisting.

[0016] Figure 6 It is the structure schematic view of the utility model to cylinder type workpiece hoisting.

[0017] In the drawing: 1, locking frame;11, adjusting block;12, connecting arm;13, clamping seat;2, adjusting assembly;21, adjusting screw;22, nut;23, hoisting part;24, spare locking nut;3, clamping arm;31, lifting hook;32, reinforcing block;33, fixed part;34, clamping part;4, connecting assembly;41, connecting screw;42, connecting frame;43, hand wheel;44, connecting groove;45, fastening screw;46, fastening screw hole. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments.

[0019] Embodiment one

[0020] Please refer to Figure 1 And Figure 2The utility model provides a technical scheme: a locking lifting appliance, including locking frame 1, locking frame 1 includes adjusting block 11, the number of adjusting block 11 is two, and adjusting assembly 2 is assembled between two adjusting blocks 11, and adjusting assembly 2 is used for adjusting the relative distance between two adjusting blocks 11, thereby adjusting the locking or loosening of the present lifting appliance, and one end of the connecting arm 12 is hingedly connected to the upper and lower ends of two adjusting blocks 11 respectively, the other end of the connecting arm 12 is hingedly connected to the clamping seat 13, and the side wall of the clamping seat 13 is fixedly assembled with the clamping arm 3, the position of adjusting block 11 can be adjusted by adjusting assembly 2, the clamping seat 13 on both sides can be made to approach or separate each other, the distance between the clamping arm 3 on the upper and lower sides is controlled, and the clamping and fixing of the plate type workpiece are realized.

[0021] Adjusting assembly 2 includes adjusting screw 21, adjusting screw 21 penetrates the middle part of two adjusting blocks 11 respectively, adjusting screw 21 is bidirectional screw for positive and negative teeth, the positive and negative thread of the side wall of adjusting screw 21 is screwed with two adjusting blocks 11 respectively, and the end of adjusting screw 21 is welded with the nut 22, adjusting screw 21 can be driven to rotate in adjusting block 11 by the nut 22, adjusting block 11 can be made to approach or separate synchronously after adjusting screw 21 rotates, and the position of clamping seat 13 can be adjusted by connecting arm 12 after adjusting block 11 approaches or separates along adjusting screw 21;

[0022] The middle part of adjusting screw 21 is integrally formed with the hoisting part 23, and the hoisting part 23 is used for connecting and fixing the lifting belt or steel wire rope with adjusting screw 21 in the hoisting process;

[0023] The side wall of adjusting screw 21 is screwed with the backup nut 24, the number of backup nut 24 is two, two backup nuts 24 are used for limiting and fixing after the position adjustment of two adjusting blocks 11, and the stability of the position of adjusting block 11 in adjusting screw 21 in the hoisting process is kept.

[0024] As shown in Figure 1 And Figure 2 Clamping arm 3 includes lifting hook 31, lifting hook 31 is " J " type, the thickness of the workpiece that can be clamped and fixed by lifting hook 31 is certain, lifting hook 31 is driven by the action of clamping seat 13, and the plate type workpiece is clamped and fixed, the reinforcing block 32 is welded and fixed between lifting hook 31 and clamping seat 13, the stability of the connection and fixation between lifting hook 31 and clamping seat 13 is strengthened by setting reinforcing block 32, the connecting place between lifting hook 31 and clamping seat 13 is prevented from being deformed in the process of hoisting the workpiece, so as to influence the stability in the hoisting process.

[0025] Working principle: as Figure 5 Or Figure 6As shown in the middle, when the plate type workpiece or cylinder type workpiece needs to be hoisted, the lifting hook 31 is clamped on the outer wall of the workpiece, and then the tool is rotated to adjust the position of the two adjusting blocks 11 by rotating the nut 22, so that the two adjusting blocks 11 are synchronously moved outward, at this time the adjusting block 11 drives the clamping arm 3 and the lifting hook 31 to act through the connecting arm 12, and the lifting hook 31 distributed on the upper and lower sides completes the clamping and fixing of the workpiece, and the whole lifting appliance and the workpiece can be hoisted through the position of the lifting part 23.

[0026] Example two

[0027] Please refer to Figure 3 and Figure 4 The utility model provides a technical scheme with the difference from the technical scheme in example one, wherein the clamping arm 3 comprises a fixed part 33, one end of the fixed part 33 is fixedly connected with the clamping seat 13, the other end of the fixed part 33 is assembled with a clamping part 34, a connecting assembly 4 is assembled between the clamping part 34 and the fixed part 33, the connecting assembly 4 can adjust the position between the clamping part 34 and the fixed part 33, the connecting assembly 4 can limit and fix the relative position between the clamping part 34 and the fixed part 33, by adjusting the position of the clamping part 34 and the fixed part 33, the clamping arm 3 can clamp and fix workpieces of different thicknesses, and the use range of the lifting appliance is increased, and the lifting operation of workpieces of corresponding sizes is no longer needed to be separately carried out.

[0028] The connecting assembly 4 comprises a connecting screw 41 and a connecting frame 42, one end of the connecting screw 41 is rotatably connected with the side wall of the clamping part 34, the other end of the connecting screw 41 is fixedly connected with a hand wheel 43 penetrating through the fixed part 33, the connecting screw 41 is connected with the fixed part 33 through threads, the relative position between the clamping part 34 and the fixed part 33 can be adjusted by rotating the connecting screw 41 through the hand wheel 43, the connecting frame 42 is welded and fixed on the side wall of the clamping part 34, the connecting frame 42 penetrates through a connecting groove 44 formed in the side wall of the fixed part 33, the side wall of the fixed part 33 is assembled with a fastening screw 45, fastening screw holes 46 are uniformly formed in the side wall of the connecting frame 42, the fastening screw 45 is screwed into the fastening screw holes 46, thereby fixing the position of the connecting frame 42 and the connecting groove 44, the fixing effect between the clamping part 34 and the fixed part 33 is strengthened by additionally arranging the connecting frame 42, and the stability of the clamping part 34 and the fixed part 33 during the clamping and hoisting of the workpiece is improved.

[0029] Working principle: when the workpiece is hoisted and clamped, first of all, according to the thickness of the workpiece, the relative distance between the clamping part 34 and the fixed part 33 is adjusted, the fastening screw 45 is removed, then the connecting screw rod 41 is rotated, the relative position of the clamping part 34 and the fixed part 33 is adjusted, and the fastening screw 45 is assembled after the distance matched with the plate workpiece is adjusted, the connection between the connecting frame 42 and the connecting groove 44 is realized, through the adjustment of the position of the clamping part 34, the clamping part 34 and the fixed part 33 can be matched, and the workpiece can be clamped and fixed better in the process of hoisting, which can meet more use requirements.

Claims

1. A locking lifting device, characterized in that: The device includes a locking frame (1), which includes an adjusting block (11). There are two adjusting blocks (11), and an adjusting assembly (2) is assembled between the two adjusting blocks (11). The upper and lower ends of the two adjusting blocks (11) are respectively hinged to one end of a connecting arm (12), and the other end of the connecting arm (12) is hinged to a clamping seat (13). A clamping arm (3) is fixedly assembled on the side wall of the clamping seat (13).

2. The locking lifting device according to claim 1, characterized in that: The adjustment assembly (2) includes an adjustment screw (21), which passes through the middle of the two adjustment blocks (11) respectively. The middle of the adjustment screw (21) is provided with a hoisting part (23), and the end of the adjustment screw (21) is fixedly connected with a nut (22).

3. A locking lifting device according to claim 2, characterized in that: The adjusting screw (21) has tightening nuts (24) that are symmetrically distributed on the left and right sides.

4. A locking lifting device according to claim 1, characterized in that: The clamping arm (3) includes a hook (31) which is J-shaped, and a reinforcing block (32) is fixedly connected between the hook (31) and the clamping seat (13).

5. A locking lifting device according to claim 1, characterized in that: The clamping arm (3) includes a fixing part (33), one end of which is fixedly connected to the side wall of the clamping seat (13), and the other end of which is equipped with a clamping part (34). A connecting component (4) is assembled between the fixing part (33) and the clamping part (34).

6. A locking lifting device according to claim 5, characterized in that: The connecting assembly (4) includes a connecting screw (41), one end of which is rotatably connected to the side wall of the clamping part (34), and the other end of which passes through the fixing part (33) and is fixedly connected to a handwheel (43). A connecting frame (42) is fixedly connected to the side wall of the clamping part (34), and the connecting frame (42) is inserted into the connecting groove (44). The connecting groove (44) is opened on the side wall of the fixing part (33). Fastening screw holes (46) are evenly opened on the side wall of the connecting frame (42), and fastening screws (45) are screwed into the fastening screw holes (46) on the side wall of the fixing part (33).

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