CN217148308U - Square lifting appliance with automatic opening and closing clamp - Google Patents

Abstract

The utility model discloses a square hoist with automatic switching is pressed from both sides, including the chain link board, automatic closing mechanism, pitman arm and the centre gripping arm of lifting by crane that are irregular triangle-shaped form, lift by crane chain link board both ends swing joint and lift by crane the driving shaft, the pitman arm with lift by crane driving shaft swing joint, and the bottom of pitman arm is through first universal driving shaft and second universal driving shaft swing joint centre gripping arm, automatic closing mechanism is including turning to T type bolt, guiding axle, lower guide structure spare, locating pin, last guide structure spare and spring, and automatic closing mechanism fixed mounting lifts by crane the bottom of chain link board. The utility model discloses do not need artifical the intervention, reduced personnel's intensity of labour, work efficiency when having improved enterprise's processing production.

Description

Square lifting appliance with automatic opening and closing clamp

Technical Field

The utility model relates to a lifting device technical field specifically is a square hoist with automatic switching is pressed from both sides.

Background

With the requirements of national implementation enterprises on improving the automatic production efficiency, reducing the labor force of workers and reducing the fatigue strength of manual operation, large, medium and small enterprises need to innovate equipment in multiple fields, in particular to carrying equipment related to front-line workers in a workshop. A plurality of posts need use hoisting equipment such as semi-automatic balanced hanging, but need artifical the intervention, and not only personnel intensity of labour is big, and work efficiency is low moreover. Therefore, a semi-automatic balance crane is urgently needed to be developed to meet the production requirement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a square hoist with automatic switching is pressed from both sides has solved current many posts and need use hoisting equipment such as semi-automatic balanced hanging, but needs artifical the intervention, and not only personnel intensity of labour is big, the problem that work efficiency is low moreover.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a square hoist with automatic switching is pressed from both sides, includes the chain link board, automatic closing mechanism, pitman arm and the centre gripping arm of lifting by crane that are irregular triangle-shaped form, lift by crane chain link board both ends swing joint and lift by crane the driving shaft, pitman arm and lift by crane driving shaft swing joint, and the bottom of pitman arm is through first universal driving shaft and second universal driving shaft swing joint centre gripping arm, automatic closing mechanism is including turning to T type bolt, guiding axle, lower guide structure spare, locating pin, last guide structure spare and spring, and automatic closing mechanism fixed mounting lifts by crane the bottom of chain link board.

Preferably, the automatic opening and closing mechanism is provided with an automatic opening and closing mechanism shell outside, the upper half part of the steering T-shaped bolt penetrates through the automatic opening and closing mechanism shell, a guide shaft is arranged at the joint of the steering T-shaped bolt and the bottom of the lower guide structural part, and the upper opening of the lower guide structural part and the lower opening of the upper guide structural part are mutually matched and disconnected.

Preferably, the locating pin is located the last mouth of lower guide structure spare and the lower mouthful of connection gap department that mutually supports of last guide structure spare, and the locating pin transversely runs through and turns to T type bolt, the top that turns to T type bolt is located the inside of automatic opening and closing mechanism shell and is equipped with the spring.

Preferably, a reinforced connecting piece is transversely arranged in the middle of the clamping arm, a locking hole is formed in the center of the reinforced connecting piece, and the position of the locking hole corresponds to the position of a T-shaped bolt at the bottom of the automatic opening and closing mechanism.

Preferably, the clamping arms are provided with two groups which are in irregular X shapes, clamping plates are arranged at the clamping ends of the bottoms of the clamping arms through clamping plate shafts, and anti-skid pads are arranged on the clamping surfaces of the clamping plates.

(III) advantageous effects

The utility model discloses possess following beneficial effect:

use the utility model discloses the time, the linkage of the similar scissors shape of whole linkage structure lifts by crane the automatic shutter of driving shaft bottom surface installation, turns to T type bolt and can get into the locking hole when through the aggregate motion, and the hoist is locked and is surely in the state of opening and pressing from both sides this moment, turns to T type bolt and can rotate 90 degrees through colliding the bottom when the hoist falls down and reachs the work piece top, turns to T type bolt and breaks away from the locking hole automatically, and the centre gripping arm cliies the work piece through splint and lifts by crane work, and whole switching presss from both sides the process recycle can, the utility model discloses do not need artifical the intervention, reduced personnel's intensity of labour, improved the work efficiency when enterprise processing production.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front structural view of the present invention;

fig. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic structural view of the automatic opening and closing mechanism of the present invention;

fig. 6 is a schematic view of the internal opening and closing structure of the automatic opening and closing mechanism of the present invention.

In the figure, 1, a lifting link plate, 2, an automatic opening and closing mechanism, 3, a lifting driving shaft, 4, a link arm, 5, a first linkage shaft, 6, a second linkage shaft, 7, a clamping arm, 8, a clamping plate shaft, 9, a non-slip mat, 10, a clamping plate, 11, a reinforcing connecting piece, 12, a locking hole, 21, a steering T-shaped bolt, 22, a guide shaft, 23, a lower guide structural part, 24, a positioning pin, 25, an upper guide structural part, 26, a spring, 27, an inclined plane and 28, and an automatic opening and closing mechanism shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 6, a square lifting appliance with an automatic opening and closing clamp comprises a lifting link plate 1 in an irregular triangular shape, an automatic opening and closing mechanism 2, a link arm 4 and a clamping arm 7, wherein two ends of the lifting link plate 1 are movably connected with a lifting driving shaft 3, the link arm 4 is movably connected with the lifting driving shaft 3, the bottom of the link arm 4 is movably connected with the clamping arm 7 through a first linkage shaft 5 and a second linkage shaft 6, the automatic opening and closing mechanism 2 comprises a turning T-shaped bolt 21, a guide shaft 22, a lower guide structural member 23, a positioning pin 24, an upper guide structural member 25 and a spring 26, and the automatic opening and closing mechanism 2 is fixedly installed at the bottom of the lifting link plate 1.

The automatic opening and closing mechanism 2 is provided with an automatic opening and closing mechanism shell 28 outside, the upper half part of the turning T-shaped bolt 21 penetrates through the automatic opening and closing mechanism shell 28, the guide shaft 22 is arranged at the joint of the turning T-shaped bolt 21 and the bottom of the lower guide structural part 23, and the upper opening of the lower guide structural part 23 and the lower opening of the upper guide structural part 25 are mutually matched and disconnected.

The positioning pin 24 is located at a connecting gap where an upper opening of the lower guide structural member 23 and a lower opening of the upper guide structural member 25 are matched with each other, the positioning pin 24 transversely penetrates through the steering T-shaped bolt 21, and a spring 26 is arranged inside an automatic opening and closing mechanism shell 28 at the top of the steering T-shaped bolt 21.

The middle of the clamping arm 7 is transversely provided with a reinforced connecting piece 11, the center of the reinforced connecting piece 11 is provided with a locking hole 12, and the position of the locking hole 12 corresponds to the position of a T-shaped bolt 21 at the bottom of the automatic opening and closing mechanism 2.

The clamping arms 7 are provided with two groups which are in irregular X shapes, clamping plates 10 are arranged at clamping ends of the bottoms of the clamping arms 7 through clamping plate shafts 8, and anti-skid pads 9 are arranged on clamping surfaces of the clamping plates 10.

The specification that needs to be said of the utility model discloses the switching principle of automatic closing mechanism 2 does: when the turning T-shaped bolt 21 touches the hoisting driving shaft 3, the turning T-shaped bolt 21 automatically rotates by 90 degrees by pushing the guide shaft to the upper guide structural part 25 and slides to the lower guide structural part 23 through the inclined guide rail, when the turning T-shaped bolt 21 is inserted into the locking hole 12 and is positioned in the length direction, the size of the turning T-shaped bolt is larger than the width of the locking hole 12, the lifting appliance is in an open state, if the turning T-shaped bolt 21 automatically rotates by 90 degrees again and is positioned in the short side direction after being collided again, the lifting appliance can be released and a workpiece can be clamped if the turning T-shaped bolt 21 is smaller than the width of the locking hole 12.

The working principle is as follows: when the lifting linkage plate is used, the linkage arm 4 is installed on the lifting linkage plate 1 through the lifting driving shaft 3, the clamping arm 7 is installed through the second linkage shaft 6, the clamping plate 10 is installed at the bottom of the clamping plate shaft 8 on the clamping arm 7, the anti-skidding pads 9 are installed on the clamping plate 10, the whole linkage structure is in linkage in a mode that the lifting driving shaft 3 is lifted, the first linkage shaft 5 and the second linkage shaft 6 are in linkage in a scissor shape, the automatic shutter 2 is installed on the bottom face of the lifting driving shaft 3, the turning T-shaped bolt 21 can enter the locking hole 12 during linkage movement, the lifting appliance is locked and is in a clamping opening state, the turning T-shaped bolt 21 can rotate 90 degrees through the bottom of collision when falling to the upper portion of a workpiece, the turning T-shaped bolt 21 is automatically separated from the locking hole 12, the clamping arm clamps the workpiece through the clamping plate for lifting, and the whole clamping opening and closing process can be used in a recycling mode.

The utility model discloses a 1, lift by crane the chain board, 2, automatic closing mechanism, 3, lift by crane the driving shaft, 4, the link arm, 5, first universal driving shaft, 6, the second universal driving shaft, 7, the centre gripping arm, 8, splint axle, 9, the slipmat, 10, splint, 11, strengthen the connecting piece, 12, the locking hole, 21, turn to T type bolt, 22, the guiding axle, 23, lower guide structure spare, 24, the locating pin, 25, go up guide structure spare, 26, the spring, 27, the inclined plane, 28, automatic closing mechanism shell, the part is general standard component or the part that technical staff in this field knows, its structure and principle all can know through the technical manual or know through conventional experimental method, the problem that the utility model solves is that many posts need to use hoisting equipment such as semi-automatic balanced hoist, but need intervene the manual work, not only personnel intensity of labour is big, and the working efficiency is low. The utility model discloses a combination of each other of above-mentioned part, through first waterproof layer, first dampproof membrane, dampproofing pad, the setting of second waterproof layer and second dampproof membrane, improve the waterproof nature of this last casing and lower casing, can further prevent moisture to get into the box simultaneously, prevent to cause the mould of box for a long time to lead to producing the peculiar smell, through the setting of first wearing layer and second wearing layer, can protect the surface of casing, prevent to be scratched flower and rub.

Claims (5)

1. The utility model provides a square hoist with automatic switching is pressed from both sides which characterized in that: including the chain board (1), automatic closing mechanism (2), pitman arm (4) and the centre gripping arm (7) of lifting by crane that are irregular triangle-shaped shape, lift by crane chain board (1) both ends swing joint and lift by crane driving shaft (3), pitman arm (4) and lift by crane driving shaft (3) swing joint, and pitman arm (4) bottom through first universal driving shaft (5) and second universal driving shaft (6) swing joint centre gripping arm (7), automatic closing mechanism (2) are including turning to T type bolt (21), guiding axle (22), lower guide structure spare (23), locating pin (24), go up guide structure spare (25) and spring (26), and automatic closing mechanism (2) fixed mounting is in the bottom of lifting by crane chain board (1).

2. The square lifting appliance with the automatic opening and closing clamp according to claim 1, wherein: the outside of automatic closing mechanism (2) is equipped with automatic closing mechanism shell (28), the first half that turns to T type bolt (21) runs through automatic closing mechanism shell (28), and turns to T type bolt (21) and the installation of the bottom junction of lower guide structure spare (23) and be equipped with guiding axle (22), the last mouth of lower guide structure spare (23) and the lower mouth of last guide structure spare (25) mutually support and do not connect.

3. The square lifting appliance with the automatic opening and closing clamp according to claim 1, wherein: the locating pin (24) is located the connecting gap department that the last mouth of guide structure spare (23) and the end opening of last guide structure spare (25) mutually supported down, and locating pin (24) transversely run through and turn to T type bolt (21), the inside that the top that turns to T type bolt (21) is located automatic closing mechanism shell (28) is equipped with spring (26).

4. The square lifting appliance with the automatic opening and closing clamp according to claim 1, wherein: the middle of the clamping arm (7) is transversely provided with a reinforced connecting piece (11), the center of the reinforced connecting piece (11) is provided with a locking hole (12), and the position of the locking hole (12) corresponds to the position of a T-shaped bolt (21) at the bottom of the automatic opening and closing mechanism (2).

5. The square lifting appliance with the automatic opening and closing clamp according to claim 1, wherein: the clamping arms (7) are provided with two groups and are in irregular X shapes, clamping plates (10) are arranged at clamping ends of the bottoms of the clamping arms (7) through clamping plate shafts (8), and anti-skid pads (9) are arranged on clamping surfaces of the clamping plates (10).

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