CN209974114U

CN209974114U - Adjustable hoisting clamp

Info

Publication number: CN209974114U
Application number: CN201920912208.9U
Authority: CN
Inventors: 吴仲青
Original assignee: Hubei Honglu Steel Structure Co Ltd
Current assignee: Hubei Honglu Steel Structure Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-01-21
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to an adjustable lifting clamp, have upper center pin, the both ends of upper center pin are equipped with threaded connection structure a respectively, all rotatable left upper jib and the upper right jib of being connected with simultaneously on the threaded connection structure a of each end, be connected with left middle level center pin and right middle level center pin between two left upper jib and the upper right jib lower extreme of same side, left middle level center pin and right middle level center pin both ends each are equipped with threaded connection structure b, rotatable left middle level jib, right middle level jib of being connected with on the threaded connection structure b at left, right middle level center pin both ends, be connected with left lower floor center pin, right lower floor center pin between two left middle level jib and right middle level jib lower extreme of same side, left lower floor center pin and right lower floor center pin both ends each are equipped with threaded connection structure c; the utility model discloses self structure simple manufacture, the operation is used portably, and its clamping width can be adjusted at great within range relatively simultaneously.

Description

Adjustable hoisting clamp

Technical Field

The utility model belongs to the technical field of steel construction work piece lifting device technique and specifically relates to a stone tongs with adjustable.

Background

The method is characterized in that the steel plate steel is often lifted and transferred in a steel structure processing workshop, namely, a steel plate is transferred from one place to another place, at present, steel wire ropes are usually adopted to bundle the steel plates in the workshop and then the steel plates are lifted and transferred by a crane, the method is complex and low in efficiency, and the steel plates are also lifted and loaded by a lifting frame, but the operation is also low in efficiency, and the unloading is also a relatively troublesome thing after the steel plates are transferred in place; in addition to the above problems, there is a problem that the steel plates to be lifted are different in size, which is also troublesome in that the tools to be lifted need to be replaced continuously.

Disclosure of Invention

The utility model aims at providing a stone tongs with adjustable to above-mentioned condition, this stone tongs self structure simple manufacture, the operation is used portably, and its clamping width can be adjusted at relatively great within range simultaneously, and the handling to the steel sheet of different sizes will be very convenient like this.

The utility model has the following concrete scheme: an adjustable hoisting clamp comprises an upper central shaft, wherein both ends of the upper central shaft are respectively provided with a threaded connection structure a, the threaded connection structure a at each end is simultaneously and rotatably connected with a left upper suspender and a right upper suspender, a left middle central shaft is connected between the lower ends of the two left upper suspenders at the same side, a right middle central shaft is connected between the lower ends of the two right upper suspenders at the same side, both ends of the left middle central shaft and the right middle central shaft are respectively provided with a threaded connection structure b, the threaded connection structures b at both ends of the left middle central shaft are rotatably connected with a left middle suspender, the threaded connection structures b at both ends of the right middle central shaft are rotatably connected with a right middle suspender, a left lower central shaft is connected between the lower ends of the two left middle suspenders at the same side, a right lower central shaft is connected between, the two ends of the left lower layer central shaft and the right lower layer central shaft are respectively provided with a threaded connection structure c, the threaded connection structures c at the two ends of the left lower layer central shaft are rotatably connected with a left lower layer suspender, the threaded connection structures c at the two ends of the right lower layer central shaft are rotatably connected with a right lower layer suspender, the middle parts of the two left lower layer suspenders are connected into a whole through a connecting rod, and the middle parts of the two right lower layer suspenders are connected into a whole through a connecting rod; the respective lower extreme of left lower floor's jib and right lower floor's jib all is provided with the lifting hook to the inboard.

Further, in the utility model discloses in threaded connection structure a, threaded connection structure b and threaded connection structure c all including establishing the screw thread section at each central axis tip, the inboard of leaning on of every screw thread section all is provided with blocks the piece, still is equipped with fastening nut on every screw thread section, blocks the piece through fastening nut and corresponding and realizes the tight fastening of clamp to corresponding jib.

Further, the utility model discloses well upper left jib and upper right jib, left middle level jib and right middle level jib, left lower floor's jib and right lower floor's jib all are bilateral symmetry arrangement separately.

Further, in the utility model discloses in the intermediate position department of upper center pin still is equipped with the hanging frame that is used for the handling.

The utility model provides a stone tongs is owing to fall into about two parts to constitute by upper and middle and lower three-layer jib jointly, adopt threaded connection structure to connect between the jib of adjacent layer, make the opening degree of the jib on both sides can adjust as required, and it is very convenient to adjust moreover, can realize the handling of the steel sheet of multiple not unidimensional size, multiple different thickness, also very convenient operation when the steel sheet is uninstalled in addition, has fine in-service use and worth.

Drawings

Fig. 1 is a schematic view of the structure of the main view direction of the present invention;

fig. 2 is a left-side view structural diagram of the present invention;

FIG. 3 is an enlarged view of the structure at K in FIG. 2;

fig. 4 is a schematic diagram of the middle screw connection structure a of the present invention.

In the figure: 1-lifting hook, 2-left lower layer jib, 3-left middle layer jib, 4-upper left layer jib, 5-hanging frame, 6-upper right layer jib, 7-right middle layer jib, 8-right lower layer jib, 9-upper center pin, 10-threaded connection structure b, 11-left middle layer center pin, 12-left lower layer center pin, 13-connecting rod, 14-threaded section, 15-fastening nut, 16-stop block, 17-threaded connection structure a, 18-threaded connection structure c.

Detailed Description

Referring to fig. 1-4, the utility model relates to an adjustable lifting clamp, which comprises an upper central shaft 9, wherein both ends of the upper central shaft are respectively provided with a threaded connection structure a17, the threaded connection structure a of each end is simultaneously and rotatably connected with a left upper suspender 4 and a right upper suspender 6, a left middle central shaft 11 is connected between the lower ends of the two left upper suspenders on the same side, a right middle central shaft is connected between the lower ends of the two right upper suspenders on the same side, both ends of the left middle central shaft and the right middle central shaft are respectively provided with a threaded connection structure b10, a left middle suspender 3 is rotatably connected on the threaded connection structure b at both ends of the left middle central shaft, a right middle suspender 7 is rotatably connected on the threaded connection structure b at both ends of the right middle central shaft, and a left lower central shaft 12 is connected between the lower ends of the, a right lower layer central shaft is connected between the lower ends of the two right middle layer hanging rods on the same side, both ends of each of the left lower layer central shaft and the right lower layer central shaft are respectively provided with a threaded connection structure c18, the threaded connection structures c at both ends of the left lower layer central shaft are rotatably connected with a left lower layer hanging rod 2, the threaded connection structures c at both ends of the right lower layer central shaft are rotatably connected with a right lower layer hanging rod 8, the middle parts of the two left lower layer hanging rods are connected into a whole through a connecting rod 13, and the middle parts of the two right lower layer hanging; the respective lower extreme of left lower floor's jib and right lower floor's jib all is provided with lifting hook 1 to the inboard.

Further, in this embodiment, each of the threaded connection structure a, the threaded connection structure b, and the threaded connection structure c includes a threaded section 14 provided at an end of each central shaft, a stop block 16 is provided on an inner side of each threaded section, and a fastening nut 15 is further provided on each threaded section, so that the fastening nut and the corresponding stop block clamp the corresponding suspension rod.

Further, upper left jib and upper right jib, middle left jib and middle right jib, lower left jib and lower right jib all are bilateral symmetry in this embodiment respectively.

Further, in this embodiment, a hanging frame 5 for hanging is further disposed in the middle of the upper central shaft.

Before operation, the lifting frame is hooked by a row of lifting hooks, the distance between the two lifting hooks is adjusted according to the size and width of a steel plate to be lifted, and the distance between the left and right layers of lifting rods is also adjusted according to the thickness of the plate; the specific adjustment mode is as follows: firstly, fastening nuts in the threaded connection structure a, the threaded connection structure b and the threaded connection structure c are sequentially unscrewed, then an operator manually breaks the hanging rods on the left side and the right side of the corresponding layer to adjust the distance to adapt to the boards with the corresponding width and thickness, and after each layer of hanging rods is adjusted, the corresponding threaded connection structure is screwed down to fasten the boards.

After the aforesaid has been adjusted, can catch on whole stone tongs catches on four angles of panel again and catch on transporting, before catching on panel, can suitably shelve panel on the piece of putting that a position is higher a bit slightly, be convenient for like this catch on, also be convenient for the uninstallation during the uninstallation simultaneously, will the utility model discloses stone tongs withdraws from the panel next door and can realize the uninstallation, and is very convenient.

The utility model discloses a stone tongs can utilize some old and useless rod iron steel sheet materials in the workshop to make completely, and the cost is very low, and the preparation is also simple, and the adjustment is simple nimble, and the practicality is very strong.

Claims

1. The utility model provides a stone tongs with adjustable which characterized in that: the central shaft is provided with an upper central shaft, both ends of the upper central shaft are respectively provided with a threaded connection structure a, the threaded connection structure a at each end is simultaneously and rotatably connected with a left upper suspender and a right upper suspender, a left middle central shaft is connected between the lower ends of the two left upper suspenders at the same side, a right middle central shaft is connected between the lower ends of the two right upper suspenders at the same side, both ends of the left middle central shaft and the right middle central shaft are respectively provided with a threaded connection structure b, the threaded connection structure b at both ends of the left middle central shaft is rotatably connected with a left middle suspender, the threaded connection structure b at both ends of the right middle central shaft is rotatably connected with a right middle suspender, a left lower central shaft is connected between the lower ends of the two left middle suspenders at the same side, a right lower central shaft is connected between the lower ends of the two right middle suspenders at, the threaded connection structures c at the two ends of the left lower-layer central shaft are rotatably connected with a left lower-layer suspender, the threaded connection structures c at the two ends of the right lower-layer central shaft are rotatably connected with a right lower-layer suspender, the middle parts of the two left lower-layer suspenders are connected into a whole through a connecting rod, and the middle parts of the two right lower-layer suspenders are connected into a whole through a connecting rod; the respective lower extreme of left lower floor's jib and right lower floor's jib all is provided with the lifting hook to the inboard.

2. The adjustable lifting clamp as claimed in claim 1, wherein: the threaded connection structures a, b and c comprise threaded sections arranged at the end parts of the central shafts, blocking blocks are arranged on the inner sides of the threaded sections, fastening nuts are further arranged on the threaded sections, and the corresponding suspension rods are clamped and fastened through the fastening nuts and the corresponding blocking blocks.

3. The adjustable lifting clamp as claimed in claim 1, wherein: the left upper layer suspender and the right upper layer suspender, the left middle layer suspender and the right middle layer suspender, and the left lower layer suspender and the right lower layer suspender are respectively arranged in a bilateral symmetry way.

4. The adjustable lifting clamp as claimed in claim 1, wherein: and a lifting frame for lifting is further arranged in the middle of the upper layer central shaft.