CN217867689U - Automatic grasping lifting appliance - Google Patents

Abstract

The utility model relates to an automatic grasp hoist, include: the main beam, two clamping piles rotatably connected to the two ends of the main beam and a main pull rod slidably connected to the middle of the main beam; the middle position of each clamping pile is rotatably connected with a left rotating rod and a right rotating rod; one ends of the left rotary rod and the right rotary rod, which are far away from the clamping pile, are rotatably connected with the main pull rod; the lower end of each clamping pile is rotatably connected with a tenon block, and the tenon blocks are used for grabbing objects. The automatic grasping lifting appliance can achieve the purpose of automatically grasping the objects without bosses or pits to lift, so that the lifting efficiency of the objects without bosses or pits is accelerated, and meanwhile, the safety in the lifting and hoisting process can be ensured.

Description

Automatic grasping lifting appliance

Technical Field

The utility model relates to a field of lifting by crane of article, more specifically say, relate to an automatic promptly hoist that no boss or no pit article lifted by crane usefulness.

Background

Objects without bosses or pits are troublesome to hoist due to the shapes of the objects, and the objects are usually bound by using ropes, so that time and labor are wasted; the sucker can be used for the iron-containing object, but the safety can not be guaranteed, the object is easy to slide and damage in the hoisting process, and the object is easy to be magnetically conducted by the sucker. For the objects without bosses or pits in batches, the lifting efficiency is extremely low at present.

SUMMERY OF THE UTILITY MODEL

Therefore, the lifting appliance needs to provide an automatic grasping lifting appliance to lift an object without a boss or a pit aiming at the problems of low efficiency and potential safety hazard of the lifting appliance in the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

an automatic gripping spreader comprising: the main beam, two clamping piles rotatably connected to the two ends of the main beam and a main pull rod slidably connected to the middle of the main beam; the middle position of each clamping pile is rotatably connected with a left rotating rod and a right rotating rod; one ends of the left rotary rod and the right rotary rod, which are far away from the clamping pile, are rotatably connected with the main pull rod; the lower end of each clamping pile is rotatably connected with a tenon block, and the tenon blocks are used for grabbing objects.

Further, the mass of one end of the tenon block far away from the object is larger than that of one end of the tenon block close to the object.

Further, one end, close to the object, of the tenon block is provided with an inclined surface.

Furthermore, the left rotating rod and the right rotating rod are telescopic rod bodies.

Further, the left-hand member with the right-hand member is connected with owner's pull rod through common third pivot, the left-hand member with the intermediate position of right-hand member all sets up the screw thread and is provided with the nut with screw-thread fit, through the nut is adjusted the left-hand member with the flexible volume of right-hand member.

Further, a protruding handle is arranged on the nut.

Furthermore, a toothed hole is formed in the middle of the main beam, the main pull rod penetrates through the toothed hole, a gear matched with the toothed hole is arranged on the main pull rod, a shifting block is arranged on the side of the toothed hole, and the gear is shifted to rotate through the shifting block.

Furthermore, a hanging ring is arranged at one end, far away from the object, of the main pull rod.

The utility model provides a pair of automatic grasp hoist, this hoist sets up rotatable tenon piece through the lower extreme at the tight stake of clamp, the inclined plane is set to the tenon piece front end, and preceding light back is heavy, it is parallel with ground after tenon piece contact ground, the main pull rod of upwards sliding this moment, left side swing arm and right swing arm drive two tight stakes of clamp and tighten up under the effect of pivot, get into the article bottom earlier from driving tenon piece front end inclined plane closed angle, hold up the article, the article has the clamp force of the tight stake of clamp after hoisting, the vertical direction has upwards lifting force of tenon piece, thereby make the article be difficult to drop from the hoist. And then through this automatic grasp hoist realize the purpose that the automatic grasp does not have the boss or does not have the pit article and lift by crane, let no boss or do not have the pit article lift by crane efficiency and accelerate, can guarantee simultaneously to lift by crane and the safety of handling in-process.

Drawings

Fig. 1 is an overall schematic view of an automatic grasping hanger of the present invention;

FIG. 2 isbase:Sub>A sectional view of the gear portion A-A andbase:Sub>A sectional view B-B of the present invention;

FIG. 3 is a schematic view of the gear and the tooth-shaped hole of the present invention;

fig. 4 is a schematic view of the utility model of an automatic grasping hanger for grabbing an object.

The labels in the figure are: 1. tenon block, 2, fourth rotating shaft, 3, second rotating shaft, 4, first rotating shaft, 5, clamping pile, 6, main beam, 7, left rotating rod, 8, hanging ring, 9, gear, 10, shifting block, 11, third rotating shaft, 12, main pull rod, 13, right rotating rod, 14, nut, 15 and object

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In an embodiment, the utility model discloses an automatic grasp hoist, include: the device comprises a main beam, two clamping piles rotatably connected to two ends of the main beam, and a main pull rod slidably connected to the middle of the main beam; the middle position of each clamping pile is rotatably connected with a left rotating rod and a right rotating rod; one ends of the left rotary rod and the right rotary rod, which are far away from the clamping pile, are rotatably connected with the main pull rod; the lower end of each clamping pile is rotatably connected with a tenon block, and the tenon blocks are used for grabbing objects.

The utility model provides a pair of automatic grasp hoist, this hoist set up rotatable tenon piece through the lower extreme at the tight stake of clamp, and it is parallel with ground after tenon piece contact ground, the main pull rod that upwards slides this moment, and left swing arm and right swing arm drive two tight stakes of clamp and tighten up under the effect of pivot, remove to the article from driving the tenon piece, press from both sides tight article until the tenon piece, hold up the article.

The concept of the invention will be further elucidated with reference to the specific embodiments described hereinafter.

Referring to fig. 1, in one embodiment, an automatic gripping hanger includes: the two ends of the main beam 6 are respectively connected with a clamping pile 5, and the upper end of each clamping pile 5 is connected with the two ends of the main beam 6 through a first rotating shaft 4. The middle part of the main beam 6 is connected with a main pull rod 12 in a sliding way; the middle position of each clamping pile 5 is rotatably connected with a left rotating rod 7 and a right rotating rod 13, one ends, far away from the clamping piles 5, of the left rotating rod 7 and the right rotating rod 13 are rotatably connected with a main pull rod 12, specifically, the left end of the left rotating rod 7 is connected with the left clamping pile 5 through a second rotating shaft 3, and the right end of the right rotating rod 13 is also connected with the right clamping pile 5 through the second rotating shaft; the lower extreme of each clamping pile 5 is connected with tenon piece 1, each tenon piece 1 is connected with the lower extreme that presss from both sides clamping pile 5 through fourth pivot 2, tenon piece 1 can rotate around the lower extreme that presss from both sides clamping pile 5 promptly, it rotates to the state parallel with ground and not taking place to rotate when tenon piece 1 contacts ground, main pull rod 12 upwards slides this moment, because the lower extreme of main pull rod 12 all rotates with left-handed lever 7 and right-handed lever 8 to be connected, consequently along with the upward movement of main pull rod 12, left-handed lever 7 and right-handed lever 8 can be close to each other, left-handed lever 7 and right-handed lever 8 can drive two clamping pile 5 rather than the rotation connection tighten up, can drive tenon piece 1 and move towards the direction of article 15 when clamping pile 5 tightens up, when tenon piece 1 presss from both sides clamping pile 15, steerable hoist held up article 15 this moment.

In an implementation, the one end quality that article 15 was kept away from to tenon piece 1 is greater than the one end that is close to article 15, and the rear end quality of tenon piece 1 is heavier than the front end promptly, and under the natural condition, the front end is up, and the rear end is down, is "eight" word shape, and the operating personnel of being convenient for observes the distance of hoist and article, plays the effect of visual direction, and when tenon piece 1 contact ground, tenon piece 1 is parallel state with ground, is not rotating, when tightening up clamping pile 5, and tenon piece 1 can press from both sides tight article 15.

Preferably, as shown in fig. 1, one end of the tenon block 1 close to the object 15 is provided with an inclined surface, when the clamping pile 5 is tightened, a sharp corner of the inclined surface at the front end of the tenon block 1 can quickly enter the bottom of the object 15, so as to support the object 15, so that the object 15 has upward supporting force of the tenon block 1 in the vertical direction, the object is not easy to fall off from the lifting appliance, and the safety performance of the lifting appliance is further improved.

In one embodiment, the left-hand lever 7 and the right-hand lever 8 are telescopic levers.

In another embodiment, as shown in fig. 1, the left-hand rod 7 and the right-hand rod 13 are connected with the lower end of the main pull rod 12 through the common third rotating shaft 11, the middle positions of the left-hand rod 7 and the right-hand rod 13 are both provided with threads and are provided with nuts 14 in a threaded fit manner, the expansion amount of the left-hand rod 7 and the right-hand rod 13 can be adjusted through the nuts 14, that is, the contraction or extension of the left-hand rod 7 and the rotating rod 13 is adjusted through the rotating nuts 14, so as to drive the clamping piles 5 rotationally connected with the left-hand rod 7 and the right-hand rod 13 to tighten or expand to further clamp the object, and the expansion amount of the left-hand rod 7 and the right-hand rod 8 is adjusted to make the lifting device suitable for lifting objects with different sizes

Preferably, a protruding handle is provided on the nut 14 to facilitate rotation of the nut 14.

In another embodiment, as shown in fig. 2-3, a toothed hole is formed in the middle of the main beam 6, the main pull rod 12 passes through the toothed hole, a gear 9 matched with the toothed hole is arranged on the upper section of the main pull rod 12, a shifting block 10 is arranged on the side of the toothed hole, and the gear 9 is shifted to rotate by the shifting block 10, so that the main pull rod 12 is controlled to slide upwards or downwards. And the gear 9 and the toothed hole are matched with each other, and the main pull rod 12 can be controlled to accurately slide upwards or downwards through the shifting of the shifting block 10, namely the sliding amount of the main pull rod 12 upwards or downwards is controllable.

Preferably, as shown in fig. 1, the end of the main stay 12 remote from the object is provided with a lifting ring 8 to facilitate the lifting device to lift the self-gripping spreader.

Specifically, the utility model discloses an automatic promptly hoist at the during operation, hoisting accessory is hanging this automatic promptly hoist through rings 8 and is descending to the position at article 15 place, when tenon piece 1 contact ground, tenon piece 1 keeps parallel with ground, adjust shifting block 10 this moment and stir gear 9 and rotate, make main pull rod 12 upwards slide for girder 6, along with main pull rod 12 upwards slides, effect through third pivot 11, left-handed pole 7 and dextrorotation pole 8 are close to each other, and drive the tight stake 5 of clamp rather than being connected and tighten up, can make tenon piece 1 remove towards article 15 when pressing from both sides tight stake 5 and tightening up, when the inclined plane of two tenon piece 1 front ends inserts below article 15, whether observe tight stake 5 and press from both sides tight article 15, if press from both sides tight stake 5 and not press from both sides tight article 15, the nut on adjustable left-handed pole 7 and the dextrorotation pole 8 this moment, make left-handed pole 7 and dextrorotation pole 8 further stretch out and draw back, thereby drive tight stake 5 and press from both sides tight article, the horizontal direction has the clamp force of clamp post after the article has like this, there is the tight stake upwards, thereby the vertical direction, be difficult to lift up the power of lifting from the hoist.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. An automatic gripping sling, characterized in that it comprises: the main beam, two clamping piles rotatably connected to the two ends of the main beam and a main pull rod slidably connected to the middle of the main beam; the middle position of each clamping pile is rotatably connected with a left rotating rod and a right rotating rod; one ends of the left rotary rod and the right rotary rod, which are far away from the clamping pile, are rotatably connected with the main pull rod; the lower end of each clamping pile is rotatably connected with a tenon block, and the tenon blocks are used for grabbing objects.

2. The automated gripping spreader of claim 1 wherein the end of the segment remote from the article has a greater mass than the end proximate the article.

3. The self-gripping spreader of claim 2, wherein the end of the tenon block adjacent to the object is provided with an inclined surface.

4. The automatic gripping hanger of claim 1, wherein the left-handed rod and the right-handed rod are telescopic rods.

5. The automatic grasping lifting appliance according to claim 4, wherein the left-hand lever and the right-hand lever are connected to the main pull rod through a common third rotating shaft, the left-hand lever and the right-hand lever are both provided with threads at intermediate positions and provided with nuts in cooperation with the threads, and the amount of expansion of the left-hand lever and the amount of expansion of the right-hand lever are adjusted by the nuts.

6. The automated gripping sling according to claim 5, wherein said nut is provided with a protruding handle.

7. The automatic grasping lifting appliance according to any one of claims 1 to 5, wherein a toothed hole is formed in the middle of the main beam, the main pull rod penetrates through the toothed hole, a gear matched with the toothed hole is arranged on the main pull rod, and a shifting block is arranged on the side of the toothed hole and used for shifting the gear to rotate.

8. The automated gripping sling according to claim 7, wherein said main rod is provided with a lifting ring at an end thereof remote from said object.

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