CN210127018U - Adjustable automatic plate lifting appliance - Google Patents

Abstract

The utility model provides an adjustable automatic plate hoist, it includes hoisting component, the crossbeam, the longeron, clamping mechanism, loose pulley assembly and steel wire, hoisting component and crossbeam fixed connection, the longeron sets up the both ends at the crossbeam, with crossbeam fixed connection, clamping mechanism suit is at the longeron both ends, still be provided with loose pulley assembly on the crossbeam, the longeron, hoisting component includes the fixed column with crossbeam fixed connection, and with the hoist and mount section of thick bamboo of fixed column suit, be provided with the gag lever post on the fixed column, be equipped with on the hoist and mount section of thick bamboo with gag lever post complex slot hole, still be provided with rings on the hoist and mount section of thick bamboo, steel wire one end is fixed on the hoist and mount section of thick bamboo, the other end process loose pulley assembly fixes on clamping mechanism.

Description

Adjustable automatic plate lifting appliance

Technical Field

The utility model relates to a unit curtain hoist and mount technique especially relates to an adjustable automatic plate hoist.

Background

The survival and development of enterprises are in the aim of people-oriented, so that the safety measures of any enterprise in the production and processing process should be put at the first place, and as production management personnel, the potential safety hazard eliminating party in the production process must be qualified.

The existing lifting appliance for lifting the unit bodies adopts a steel frame to install a steel wire rope and is matched with a hanging strip to lift the unit bodies, and has two disadvantages, one is that the steel wire rope is large in usage amount and simple and crude in manufacture, and the overall impression of a production field is influenced; secondly, the change frequency of the hanging strip is high, the hanging strip is easy to slide, the risk of high-altitude sliding exists when the unit plate is not noticed a little, and great potential safety hazards exist. The old-fashioned hoist just appears the accident of several unit plate landing in the use throughout the year, and the light plate is scrapped, causes loss of property, leads to the project time limit for a project to lag, and serious hitting personnel threatens staff life safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at improving prior art's problem, provide a simple structure, the preparation is also simple and the operation is more convenient, nevertheless lifts by crane the adjustable automatic plate hoist that in-process landing risk can be avoided.

The purpose of the utility model is realized like this:

an adjustable automatic plate lifting appliance comprises a lifting assembly, a cross beam, longitudinal beams, clamping mechanisms, pulley assemblies and steel wires, wherein the lifting assembly is fixedly connected with the cross beam, the longitudinal beams are arranged at two ends of the cross beam and fixedly connected with the cross beam, the clamping mechanisms comprise at least one pair of oppositely arranged grapples which are movably arranged at two ends of the longitudinal beams, and the pulley assemblies are also arranged on the cross beam and the longitudinal beams;

the hoisting component comprises a fixed column fixedly connected with the cross beam and a hoisting cylinder sleeved with the fixed column, the fixed column is fixed in the cross beam, a limiting rod is arranged on the fixed column, a long hole matched with the limiting rod is arranged on the hoisting cylinder, a hoisting ring is also arranged on the hoisting cylinder,

one end of the steel wire is fixed on the hoisting cylinder, and the other end of the steel wire is fixed on the clamping mechanism through the pulley assembly; the limiting rod arranged on the fixed column penetrates through the long hole in the hoisting barrel, so that the hoisting barrel independently moves upwards for a set distance relative to the fixed column at the beginning of hoisting the hoisting barrel, the steel wire drives the grabbing hook in the clamping mechanism to move relative to the longitudinal beam to clamp the hoisted workpiece, the hoisting barrel is continuously hoisted, and the integral hoisting tool is hoisted together due to the fact that the limiting rod is located at the lower end of the long hole.

Preferably, a pressure spring is further arranged between the clamping mechanism and the longitudinal beam, one end of the pressure spring is fixed on the clamping mechanism, and the other end of the pressure spring is fixed on the longitudinal beam.

The dead weight of a steel frame formed by the cross beam and the longitudinal beam needs to be larger than the force of the pressure spring, the spring is prevented from not being tightened, the hanging bracket begins to lift, and the dead weight of the steel frame can be increased by adopting a balance weight.

Preferably, the grapple on the clamping mechanism comprises a grapple rod, the grapple rod is provided with an insertion part, and the insertion part is inserted into the insertion hole on the end part of the longitudinal beam, so that the two grapple rods opposite to each other at the two ends of the longitudinal beam can move close to or away from each other relative to the longitudinal beam to finish the action of clamping the workpiece.

On the fixed column, a plurality of limiting rod mounting holes are arranged in the vertical direction so as to arrange the limiting rods at different heights.

Preferably, the pulley assembly comprises a cross beam pulley arranged on the cross beam and a longitudinal beam pulley arranged on the longitudinal beam, the steel wire passes through the cross beam pulley and then extends towards two ends of the cross beam along the cross beam direction, and then passes through the longitudinal beam pulley, and the steel wire extends towards two ends of the longitudinal beam along the longitudinal beam direction and is fixed on the clamping mechanism.

Preferably, the end of the grapple rod in the clamping mechanism is provided with an inward hook holder.

Preferably, the lower part of the grapple rod in the clamping mechanism is provided with a fine adjustment baffle.

Preferably, the fine adjustment baffle comprises a baffle, an insertion rod is fixedly arranged on one side face of the baffle and inserted into the insertion hole in the grapple rod, and a detachable fixing structure is arranged between the insertion rod and the grapple rod.

And rubber pads can be arranged on the hook supports and/or the baffle plates on the fine adjustment baffle plates.

Preferably, the fixed connection structure of the longitudinal beam and the transverse beam is an adjustable fixed connection structure, so that the length of the transverse beam is adjustable: the longitudinal beam is sleeved with the cross beam, namely, the longitudinal beam is provided with an inserting rod which is inserted into the insertion hole of the cross beam, and a positioning mechanism is arranged between the inserting rod on the longitudinal beam and the cross beam.

Specifically, the two longitudinal beams are arranged at two ends of the cross beam, square tubes smaller than the cross section of the jack cross beam on the cross beam are welded on the sleeving positions of the longitudinal beams and the cross beam to serve as the insertion rods, the square tubes are inserted into the jacks on the cross beam, limiting bolts are arranged at two ends of the cross beam respectively and are inserted into one of a plurality of insertion holes formed in the insertion rods on the longitudinal beams to be fixed. The limiting bolts are inserted into different insertion holes of the longitudinal beams, the length of the cross beam can be adjusted, and therefore the length of the cross beam can be adjusted according to the size of the goods shelf.

Preferably, the cross beam is further provided with a decoration strip height adjusting device, the decoration strip height adjusting device comprises a sleeve, one end of the sleeve is fixed in the cross beam, the decoration strip height adjusting device further comprises an adjusting rod, one end of the adjusting rod is inserted into a port at the other end of the sleeve, the sleeve and the adjusting rod are fixed through an adjusting bolt in a pair opposite to a plurality of insertion holes formed in the sleeve and the adjusting rod, and the other end of the adjusting rod is provided with a pressing plate.

Preferably, a steel wire positioning device is arranged on the hoisting cylinder.

Preferably, the wire positioning device is: the hoisting cylinder is provided with a U-shaped steel wire fixing groove, a plurality of corresponding steel wire fixing mounting holes are formed in side plates opposite to the fixing groove, a fixing bolt is inserted into a pair of corresponding mounting holes in the upper part, one section of the end part of the steel wire is bent back by 180 degrees and sleeved on the fixing bolt, a fixing ring is arranged on the groove wall of the fixing groove in the lower part, and the steel wire and the bent back section are clamped and fixed in the fixing ring. Preferably, the cross beam and/or the longitudinal beam are/is provided with a steel wire limiting device, and the limiting device comprises a limiting screw and/or a limiting ring.

Preferably, a decoration strip height adjusting device is arranged below the cross beam, the decoration strip height adjusting device comprises a sleeve, one end of the sleeve is fixed in the cross beam, the decoration strip height adjusting device also comprises an adjusting rod, one end of the adjusting rod is inserted into a port at the other end of the sleeve and is fixed in the port, and a pressing plate is arranged at the other end of the adjusting rod.

Preferably, in the trim strip height adjusting device, the connecting structure of the sleeve and the cross beam is a sliding groove clamping structure: the lower bottom surface of the cross beam is provided with a sliding groove, the sleeve can be clamped in the sliding groove in a sliding way, and the sleeve is fixed with the cross beam through a bolt.

The decorative strip height adjusting device has the following purposes: when the lifting device is lifted in place, the workpiece falls to contact with the bracket, the pressing plate on the adjusting device is in contact with the upper surface of the workpiece, and the sleeve and the adjusting rod are stressed, so that the workpiece is shown to be in place.

The sleeve can slide in the sliding groove, and after the sleeve is adjusted in place, the sleeve is fixed with the cross beam through the bolt, so that the position of the sleeve on the cross beam can be adjusted to adapt to the specification and the size of a workpiece.

The utility model has the advantages that:

1. the structure is simple, and the safety is strong; the hoisting assembly and the clamping mechanism of the utility model are connected by the steel wires arranged along the cross beam and the longitudinal beam, so that the operation of clamping the plate in hoisting is completed, compared with the prior art, the hoisting tool can completely avoid the risk of sliding off the workpiece in the hoisting process, and has strong safety;

2. the operation is convenient; the lifting appliance finishes clamping the workpiece in the lifting process, and the process of binding the workpiece by using a steel wire rope and a lifting belt in the prior art is omitted; the technical scheme of the pressure spring is adopted, so that the complicated process of untieing the steel wire rope and the hanging belt after the workpiece is hoisted in place and falls off the rack can be omitted;

3. the integrity is strong; the steel wire that sets up along crossbeam and longeron for this hoist outward appearance is succinct pleasing to the eye, has promoted the whole impression of production site.

The invention is further illustrated by the following figures and examples.

Drawings

Fig. 1 is a schematic perspective view of an adjustable automatic plate sling according to the present invention.

Fig. 2 is the utility model provides an exploded structure schematic diagram of hoisting assembly in the adjustable automatic plate hoist.

Fig. 3 is a schematic diagram of the position relationship between the pulley assembly and the steel wire structure in the adjustable automatic plate sling.

Fig. 4 is another view angle schematic diagram of the position relationship between the pulley assembly and the steel wire in the adjustable automatic plate sling.

Fig. 5 is a schematic structural view of a clamping mechanism in the adjustable automatic plate sling provided by the present invention.

In the figure: 1. hoisting the assembly; 101. fixing a column; 1011. a limiting column mounting hole; 102. hoisting the cylinder; 1021. a long hole; 1022. a hoisting ring; 1023. fixing the mounting hole/limiting hole by the steel wire; 2. a cross beam; 3. a stringer; 4. a trim strip height adjustment device; 5. a clamping mechanism; 501. finely adjusting the baffle; 502. hooking and supporting; 6. a pressure spring; 601. a beam pulley; 602. a longitudinal beam pulley; 7. a steel wire.

Detailed Description

The following is a more detailed description of the preferred embodiments of the present invention. As shown in fig. 1 to 3, the utility model provides a pair of adjustable automatic plate hoist, including hoist and mount subassembly 1, crossbeam 2, longeron 3, clamping mechanism 5, loose pulley assembly and steel wire 7, hoist and mount subassembly 1 and crossbeam 2 fixed connection, longeron 3 sets up at the both ends of crossbeam 2, with crossbeam 2 fixed connection, 5 suits of clamping mechanism are at 3 both ends of longeron, still are provided with loose pulley assembly on crossbeam 2, the longeron 3.

Hoisting assembly 1 includes fixed column 101 with crossbeam 2 fixed connection, and fixed column 101 welds on crossbeam 2, and hoisting assembly 1 still includes the hoist and mount section of thick bamboo 102 with fixed column 101 suit, is provided with the gag lever post on the fixed column 101, and the gag lever post passes through the loading and unloading of spacing post mounting hole 1011 on the fixed column 101, sets up a plurality of gag lever post mounting holes 1011 in order to set up on the co-altitude in the vertical direction of fixed column 101 the gag lever post. The hoisting cylinder 102 is provided with a long hole 1021 matched with the limiting rod, the limiting rod penetrates through the long hole 1021, and the hoisting cylinder 102 is also provided with a hanging ring 1022. One end of the steel wire 7 is fixed on the hoisting cylinder 102, and specifically, the steel wire can be fixed and limited through a steel wire fixing mounting hole/limiting hole arranged on the hoisting cylinder 102, and the other end of the steel wire 7 is fixed on the clamping mechanism 5 through the pulley assembly.

The hoisting cylinder 102 is provided with a steel wire positioning device, and the steel wire positioning device is as follows: two U-shaped steel wire fixing grooves are symmetrically arranged on two sides of the hoisting cylinder 102, a plurality of corresponding steel wire fixing and mounting holes 1023 (shown in fig. 2) are arranged on the opposite side plate of each fixing groove, a fixing bolt (shown in fig. 3) is inserted into a pair of corresponding mounting holes 1023 on the upper part, one section of the end part of the steel wire 7 is bent back 180 degrees and sleeved on the fixing bolt, a fixing ring (not shown in the figure) is arranged on the groove wall of the fixing groove on the lower part, and the steel wire at the bent back section and the steel wire 7 which is extended forward are clamped in the fixing ring for fixing.

As shown in fig. 3 and 4, the pulley assembly includes a cross beam pulley 601 provided on the cross beam 2 and a longitudinal beam pulley 602 provided on the longitudinal beam 3.

As shown in fig. 5, the clamping mechanism 5 includes at least two pairs of opposed hooks movably disposed at two ends of the longitudinal beam 3, the hooks on the clamping mechanism 5 include a hook rod, the hook rod is provided with an insertion portion, the insertion portion is inserted into the insertion hole at the end of the longitudinal beam 3, and the end of the steel wire 7 is fixed on the hook rod.

The tail end of a grappling rod on the clamping mechanism 5 is provided with an inward hook support 502, the lower part of the grappling rod is provided with a fine adjustment baffle 501, the fine adjustment baffle 501 comprises a baffle, an insertion rod is fixedly arranged on one side surface of the baffle and is inserted into a jack on the grappling rod, and a detachable fixing structure, such as a fastening screw or a pin, is arranged between the insertion rod and the grappling rod; the rubber pads can be arranged on the hook support 502 and the fine adjustment baffle 501, so that the workpiece is prevented from being abraded by a lifting appliance during lifting, and the workpiece can be prevented from slipping on the hook support and the fine adjustment baffle. By utilizing the fine adjustment baffle plate, the unit plate workpiece can be properly clamped, so that the unit body is not deformed.

One end of the steel wire 7 is fixed on the hoisting cylinder 102, penetrates through the steel wire positioning device on the hoisting cylinder 102, penetrates through the beam pulley 601, passes through the steel wire positioning device on the beam, extends towards the two ends of the beam 2 along the direction of the beam 2, penetrates through the longitudinal beam pulley 602 and the steel wire positioning device on the longitudinal beam 3, and then the steel wire 7 extends towards the two ends of the longitudinal beam 3 along the direction of the longitudinal beam 3 and is fixed on the grab rod in the clamping mechanism 5.

In the lifting process of the lifting appliance, at the beginning of lifting the lifting cylinder 102, the lifting cylinder 102 independently moves upwards for a set distance relative to the fixed column 101, meanwhile, the steel wire 7 penetrates through the pulley assembly to drive the grapple rod in the clamping mechanism to move relative to the longitudinal beam 3 to clamp the lifted workpiece, the lifting cylinder 102 rises to a certain height, the limiting rod clamps the lower end of the long hole 1021, and the lifting cylinder 102 is continuously lifted, so that the lifting appliance is integrally lifted.

And a pressure spring 6 is further arranged between the clamping mechanism 5 and the longitudinal beam 3, one end of the pressure spring 6 is fixed on a grappling rod of the clamping mechanism 5, the other end of the pressure spring 6 is fixed on the longitudinal beam 3, when the lifting appliance is lifted, the grappling rod in the clamping mechanism 5 is pulled by a steel wire 7 to be contracted to clamp a workpiece in a jack of the longitudinal beam 3, the pressure spring 6 is compressed and stressed, and after the workpiece is put down, the pressure spring 6 is unloaded, so that the grappling rod extends outwards to restore the initial state (non-stressed state).

When the hoisting barrel 102 is hoisted, the traction steel wire 7 rises along with the hoisting barrel 102, namely the insertion rod on the clamping mechanism 5 moves towards the pile sleeving hole at the end part of the longitudinal beam 3, and the two grappling rods at the two ends of the longitudinal beam 3 are closed, so that a workpiece is clamped. After the workpiece is clamped, the limiting rod between the hoisting cylinder 102 and the fixing column 101 also reaches the lower end of the long hole 1021 on the hoisting cylinder 102, and the hoisting is continued, so that the whole hoisting tool can be lifted, and the workpiece can be hoisted.

When the lifted workpiece reaches a preset place, the lifting appliance falls down and lands, then the lifting cylinder 102 continuously falls relative to the fixed column 101, the steel wire 7 is released, and under the combined action of the pressure spring 6, the clamping mechanism is opened to release the workpiece.

Be equipped with steel wire positioner on crossbeam 2 and longeron 3, positioner is the spacing ring for example, uses the spacing ring, lets the steel wire pass the spacing ring, uses stop screw, then can be so that two parallel steel wires pass through and do not mutually interfere from stop screw's both sides respectively for the steel wire can extend along a hoist and mount section of thick bamboo 102, crossbeam 2 and longeron 3.

In the present embodiment, the length of the beam 2 is adjustable to accommodate unit plate workpieces of various specifications. Longeron 3 cup joints with crossbeam 2 and is connected, sets up the jack at the both ends of crossbeam 2 promptly, and two longerons 3 set up the both ends of crossbeam, and longeron 3 welds the square pipe that is less than the jack cross section on the crossbeam 2 on cup jointing the position with crossbeam 2, and this square pipe inserts the jack on the 2 crossbeams, respectively is provided with spacing bolt at crossbeam 2 both ends, and it is fixed to insert to establish in the spliced eye of 3 tip of longeron. The longitudinal beam 3 is provided with a plurality of inserting holes, the limiting bolts are inserted into the different inserting holes in the longitudinal beam, the length of the cross beam can be adjusted, and therefore the length of the cross beam 2 can be adjusted in a telescopic mode according to the size of the goods shelf.

As shown in fig. 1, a decoration strip height adjusting device 4 is arranged below the cross beam 2, and comprises a sleeve, one end of which is fixed in the cross beam, and an adjusting rod, one end of which is inserted in a port at the other end of the sleeve, the sleeve and the adjusting rod are fixed by an adjusting bolt in a pair opposite to a plurality of jacks arranged on the sleeve and the adjusting rod, and the other end of the adjusting rod is provided with a pressing plate. The pressure plate presses on the upper surface of the workpiece to stabilize the workpiece when the workpiece is lifted. When the height adjusting device of the decoration strip is stressed, the lifting appliance falls in place. The adjusting rod and the sleeve are provided with a plurality of through holes, and fixing pins or fixing bolts are inserted into the corresponding through holes of the adjusting rod and the sleeve. The length of the trim strip height adjusting device 4 can be adjusted to adapt to the specification and the size of a specific workpiece. In the trim strip height adjusting device, the connecting structure of the sleeve and the cross beam 2 is as follows: a sliding groove is arranged on the lower bottom surface of the cross beam 2, and the sleeve can be clamped in the sliding groove in a sliding way. The sleeve can slide in the sliding groove, and after the sleeve is adjusted in place, the sleeve is fixed with the cross beam through the bolt, so that the position of the sleeve on the cross beam can be adjusted to adapt to the specification and the size of a workpiece.

The operation process of the lifting appliance can be as follows:

the hoisting process: the hoisting rings 1022 are pulled by the crane, the hoisting cylinder 102 is lifted, the steel wire 7 is pulled, the claw hook rods in the opposite paired clamping mechanisms are folded, the unit plates are clamped by the claw hook rods, in the embodiment, the hook supports extend below the unit plates in the folding process, and the side faces of the unit plates are clamped by the fine adjustment baffle plates; the hoisting cylinder 102 is continuously lifted, the limiting rod is abutted to the lower end of the long hole in the hoisting cylinder 102, and the whole hoisting tool can be driven to ascend to hoist the unit plate. At this time, the pressing plate on the trim strip height adjusting device is above the unit plate.

A rack falling process: the crane falls, when the unit plate falls on the support, the crane continues to fall, the hoisting drum 102 continues to fall relative to the fixed column 101, the steel wire 7 is loosened, the grapple rod of the clamping mechanism 5 is outwards bounced under the elastic force action of the pressure spring and transversely extends out of the lower part of the support for bearing the unit plate, and the pressure plate on the decoration strip height adjusting device abuts against the plate surface of the unit plate and is stressed. At this time, an operator penetrates a positioning rod between the lower end of the long hole in the hoisting cylinder 102 and the insertion hole corresponding to the fixing column 101, the crane is started, the hoisting tool is lifted to be away from the unit plate, and the next unit plate is continuously hoisted. In the hoisting process, the hoisting cylinder 102 and the fixing column 101 are always kept in a whole, the steel wire 7 is not pulled, and the clamping mechanism is not folded.

Hoisting the unit plates with different widths and specifications can be realized by adjusting the sleeve joint structure between the cross beam and the longitudinal beam, namely changing the length of the cross beam 2. The fine adjustment can be further performed by adjusting the fine adjustment baffle.

The self weight of the steel frame formed by the cross beam 2 and the longitudinal beam 3 needs to be larger than the elastic force of the pressure spring, so that the situation that the spring is not tightened up and the hanging bracket begins to lift is avoided. If the self weight of the steel frame is not enough, the self weight of the steel frame can be increased by adopting a counterweight, and as shown in figure 3, a steel pipe counterweight is fixedly arranged below the cross beam 2.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, so that those skilled in the art can readily understand and apply the invention, and it is not intended to limit the invention to the specific embodiments described. To the ordinary technical personnel in the technical field that the utility model belongs to, can also make a plurality of simple deductions or replacement under the prerequisite that does not deviate from the utility model discloses the design, and needn't pass through creative work. Therefore, the simple modifications made by those skilled in the art according to the disclosure of the present invention should be within the scope of the present invention.

Claims (10)

1. An adjustable automatic plate lifting appliance is characterized by comprising a lifting assembly, a cross beam, longitudinal beams, a clamping mechanism, pulley assemblies and steel wires, wherein the lifting assembly is fixedly connected with the cross beam, the longitudinal beams are arranged at two ends of the cross beam and fixedly connected with the cross beam, the clamping mechanism comprises at least one pair of oppositely arranged grapples which are movably arranged at two ends of the longitudinal beams, and the pulley assemblies are also arranged on the cross beam and the longitudinal beams;

the hoisting assembly comprises a fixed column fixedly connected with the cross beam and a hoisting cylinder sleeved with the fixed column, the fixed column is fixed in the cross beam, a limiting rod is arranged on the fixed column, a long hole matched with the limiting rod is formed in the hoisting cylinder, and a hoisting ring is further arranged on the hoisting cylinder;

one end of the steel wire is fixed on the hoisting cylinder, the other end of the steel wire is fixed on the clamping mechanism through the pulley assembly, and the limiting rod arranged on the fixed column penetrates through a long hole in the hoisting cylinder, so that the hoisting cylinder independently moves upwards for a set distance relative to the fixed column at the beginning of hoisting the hoisting cylinder, meanwhile, the steel wire drives the grapple in the clamping mechanism to move relative to the longitudinal beam to clamp a hoisted workpiece, the hoisting cylinder is continuously hoisted, and the whole sling is hoisted together.

2. The adjustable automatic plate sling according to claim 1, wherein a pressure spring is further arranged between the clamping mechanism and the longitudinal beam, one end of the pressure spring is fixed on the clamping mechanism, and the other end of the pressure spring is fixed on the longitudinal beam; and/or the presence of a gas in the gas,

the grapple on the clamping mechanism comprises a grapple rod, the grapple rod is provided with an insertion part, and the insertion part is inserted into the insertion hole on the end part of the longitudinal beam; and/or the presence of a gas in the gas,

the pulley assembly comprises a cross beam pulley arranged on the cross beam and a longitudinal beam pulley arranged on the longitudinal beam, the steel wire penetrates through the cross beam pulley and then extends towards two ends of the cross beam along the cross beam direction and then penetrates through the longitudinal beam pulley, and the steel wire extends towards two ends of the longitudinal beam along the longitudinal beam direction and is fixed on the clamping mechanism.

3. The adjustable automatic plate sling according to claim 2, wherein the end of the grapple rod in the clamping mechanism is provided with an inward hook holder; and/or a fine adjustment baffle is arranged at the lower part of the grab hook rod in the clamping mechanism.

4. The adjustable automatic plate sling according to claim 3, wherein the fine adjustment baffle comprises a baffle, an insertion rod is fixedly arranged on one side surface of the baffle and inserted into an insertion hole on the grappling rod, and a detachable fixing structure is arranged between the insertion rod and the grappling rod; and/or the presence of a gas in the gas,

and rubber pads are arranged on the hook supports and/or the fine adjustment baffle.

5. The adjustable automatic plate spreader according to claim 1, wherein the fixed connection structure of the longitudinal beams and the cross beams is: the longitudinal beam is sleeved with the cross beam, namely, the longitudinal beam is provided with an inserting rod which is inserted into the insertion hole of the cross beam, and a positioning mechanism is arranged between the inserting rod on the longitudinal beam and the cross beam to adjust the length of the cross beam.

6. The adjustable automatic plate sling according to claim 5, wherein two longitudinal beams are arranged at two ends of the cross beam, a square tube with a cross section smaller than that of a plug hole in the cross beam is welded at a sleeve joint position of the longitudinal beams and serves as the plug rod, the square tube is inserted into the plug hole in the cross beam, limit bolts are respectively arranged at two ends of the cross beam, and the limit bolts are fixed in one of a plurality of plug holes arranged in the plug rod on the longitudinal beams and inserted into different plug holes of the longitudinal beams so as to adjust the length of the cross beam.

7. The adjustable automatic plate sling according to claim 1, wherein a trim strip height adjusting device is further provided on said cross-beam, comprising a sleeve, one end of which is fixed in said cross-beam, and an adjusting rod, one end of which is inserted into a port of the other end of said sleeve, said sleeve and said adjusting rod being fixed by an adjusting bolt of an opposing pair of a plurality of insertion holes provided in both, the other end of said adjusting rod being provided with a pressing plate; and/or the presence of a gas in the gas,

a steel wire positioning device is arranged on the hoisting cylinder; and/or steel wire limiting devices are arranged on the cross beams and/or the longitudinal beams.

8. The adjustable automatic plate spreader according to claim 7, wherein the wire positioning device is: the hoisting cylinder is provided with a U-shaped steel wire fixing groove, a plurality of corresponding steel wire fixing mounting holes are formed in side plates opposite to the fixing groove, a fixing bolt is inserted into a pair of corresponding mounting holes in the upper part, one section of the end part of the steel wire is bent back by 180 degrees and sleeved on the fixing bolt, a fixing ring is arranged on the groove wall of the fixing groove in the lower part, and the steel wire and the bent back section are clamped and fixed in the fixing ring; and/or the presence of a gas in the gas,

the steel wire limiting device is a limiting screw and/or a limiting ring.

9. The adjustable automatic plate sling according to claim 2, wherein the self weight of the steel frame formed by said cross beam and said longitudinal beam is greater than the elastic force of said compression spring.

10. The adjustable automatic plate spreader according to claim 7, wherein in the trim strip height adjusting device, the connecting structure of the sleeve and the cross beam is: a sliding groove is formed in the lower bottom face of the cross beam, and the sleeve can be clamped in the sliding groove in a sliding mode.

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