Steel wire rope pre-tightening mechanism

Abstract

The utility model discloses a steel wire rope pre-tightening mechanism, and belongs to the technical field of steel wire ropes. The device comprises fixed long plates and a pre-tightening device, the number of the fixed long plates is two, inserting holes are formed in the two ends of the fixed long plates, wiping blocks are arranged on one sides of the fixed long plates, the number of the wiping blocks is four, the wiping blocks are distributed on the circumferential walls of the inserting holes, connecting rods are arranged on the side walls of the fixed long plates, the number of the connecting rods is four, and the connecting rods are distributed in pairs. Two fixing holes are formed in the side wall of the fixing long plate, and a matching plate is arranged on the side wall of the fixing long plate. According to the steel wire rope pre-tightening device, through mutual cooperation of the second spring piece, the pre-tightening plate, the pre-tightening block and the pre-tightening roller, when a steel wire rope penetrates into the pre-tightening hole, the pre-tightening plate is extruded by the diameter of the steel wire rope, then the second spring piece conducts compression, and therefore the steel wire ropes with different diameters can be fixed to adapt to the steel wire ropes with different diameters; the steel wire ropes with different diameters can be effectively pre-tightened by adjusting relevant parameters of the pre-tightening mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire rope technical field, concretely is a kind of steel wire rope pre-tightening mechanism. BACKGROUND

[0002] The hoisting mechanism in crane is an important part of crane, when tower crane hoisting mechanism winds steel wire rope on reel, it needs to provide certain pre-tightening force for steel wire rope, to ensure that steel wire rope is neatly and closely wound, otherwise steel wire rope is prone to produce disorderly rope to form interlayer intersection, flatten steel wire rope to reduce the service life of steel wire rope, steel wire rope pre-tightening will greatly improve the winding quality of steel wire rope, reduce the wear between steel wire rope, prevent flash gap, jump rope and other adverse phenomena, ultimately improve the service life of steel wire rope, along with the change of crane use scene, load weight, work frequency and other needs, original steel wire rope can not meet new use requirements, when crane needs to hoist heavier object, it needs to replace steel wire rope with higher carrying capacity. SUMMARY

[0003] The utility model aims at providing a kind of steel wire rope pre-tightening mechanism, by prewarning to steel wire rope, the problem that different diameter steel wire rope is not pre-tightened is solved.

[0004] The utility model is realized through the following technical schemes:

[0005] The utility model is a kind of steel wire rope pre-tightening mechanism, including fixed long plate and pre-tightening device, fixed long plate is provided with two, fixed long plate two ends are provided with the hole of being inserted, fixed long plate one side is provided with wiping block, wiping block is provided with four, is distributed in the circumferential wall of hole of being inserted, fixed long plate side wall is provided with connecting rod, connecting rod is provided with four, and two two distributions, fixed long plate side wall is provided with fixed hole, fixed hole is equipped with two, fixed long plate side wall is provided with cooperation plate.

[0006] Further, the pre-tightening device includes a pre-tightening roller, the pre-tightening roller is inserted into the inside of the fixed hole, the pre-tightening roller one end is installed with gear piece, the gear piece side wall is provided with driving block, the pre-tightening roller other end is inserted with pre-tightening block, pre-tightening block two sides are provided with pre-tightening hole, the pre-tightening hole inside is provided with through hole, the through hole inside is provided with second spring piece, the second spring piece bottom is fixedly installed with pre-tightening plate.

[0007] Further, the pre-tightening device further includes a sliding block, the sliding block one side is provided with cooperation slot, the sliding block lower surface is installed with first spring piece, the cooperation slot of sliding block is installed outside the cooperation plate provided by fixed long plate, the first spring piece bottom end is installed with fixed short plate, the fixed short plate is installed in the side wall of fixed long plate, the sliding block one side is installed with driving plate, the driving plate center part is rotatably connected with fixed round block, the fixed round block is installed in the side wall of fixed long plate, the driving plate one end is matched with gear piece.

[0008] Further, the pre-tightening block is provided with a first insertion hole, and the pre-tightening roller is provided with a second insertion hole, the second insertion hole is equal in diameter to the first insertion hole, and is placed in parallel, and the second insertion hole and the first insertion hole are internally inserted with an insertion rod.

[0009] Further, the pre-tightening plate is provided with four, and the shape is arc-shaped.

[0010] Further, the fixed circular block comprises a matched short rod, and the driving plate rotates on the circumferential wall of the matched short rod.

[0011] Further, the gear member is a thorn gear.

[0012] The utility model has the following beneficial effects:

[0013] 1. through the mutual cooperation between the second spring member, the pre-tightening plate, the pre-tightening block and the pre-tightening roller, the driving plate central part rotationally connected with fixed circular block, fixed circular block installs on the lateral wall of fixed long board, driving plate one end cooperates with gear member, when steel wire rope is worn in the inside of the insertion hole, simultaneously, pre-tightening hole is fixed to steel wire rope, at this time, through the driving source of outside makes that driving block rotates, and driving block rotation makes that gear member rotates with pre-tightening roller, and gear member rotation circumferential wall jacks up one end of driving plate, makes driving plate rotate in fixed circular block, at this time, sliding block slides up and down, at this time, steel wire rope is wound on the surface of pre-tightening roller, thereby completes the pre-tightening of steel wire rope, when steel wire rope is worn in the inside of pre-tightening hole, the diameter of steel wire rope extrudes pre-tightening plate, then second spring member is compressed, thereby can be fixed to the steel wire rope of different diameters, adapts to the steel wire rope of different diameters, through adjusting the relevant parameters of pre-tightening mechanism, can realize the effective pre-tightening of the steel wire rope of different diameters.

[0014] Of course, it is not necessary for any product embodying the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of pre-tightening mechanism;

[0016] Figure 2 It is a structural schematic view of pre-tightening device;

[0017] Figure 3 It is a structural schematic view of fixed hole and pre-tightening roller;

[0018] Figure 4 It is a structural schematic view of sliding block and gear member.

[0019] Figure 5 It is a structural schematic view of pre-tightening roller and pre-tightening block.

[0020] Figure 6 It is an internal structural schematic view of pre-tightening block.

[0021] In the figure: 1, fixed long plate; 2, through insertion hole; 3, wiping block; 4, connecting rod; 5, pre-tightening device; 501, driving block; 502, gear part; 503, pre-tightening roller; 504, fixed round block; 505, driving plate; 506, sliding block; 507, first spring part; 508, fixed short plate; 509, pre-tightening block; 510, first insertion hole; 511, second insertion hole; 512, insertion rod; 513, pre-tightening hole; 514, pre-tightening plate; 515, second spring part; 6, fixed hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a steel wire rope pre-tightening mechanism, including fixed long plate 1 and pre-tightening device 5, fixed long plate 1 is provided with two, fixed long plate 1 both ends are provided with through insertion hole 2, fixed long plate 1 one side is provided with wiping block 3, wiping block 3 is provided with four, is distributed in the circumference wall of through insertion hole 2, fixed long plate 1 side wall is provided with connecting rod 4, connecting rod 4 is provided with four, and two two distribution, fixed long plate 1 side wall is provided with fixed hole 6, fixed hole 6 is equipped with two, fixed long plate 1 side wall is provided with cooperation plate, when needing to pre-tighten steel wire rope, first, steel wire rope is inserted into the inside of through insertion hole 2, then pre-tightening device 5 parts are cooperated to pre-tighten steel wire rope, then it can be pulled out by another through insertion hole 2, to complete the pre-tightening of steel wire rope, when steel wire rope is inserted into the inside of through insertion hole 2, the surface of wiping block 3 is contacted with steel wire rope, to wipe dirt or impurities adhered to the surface of steel wire rope.

[0024] Pre-tightening device 5 includes pre-tightening roller 503, pre-tightening roller 503 is inserted in the inside of fixed hole 6, pre-tightening roller 503 one end is equipped with gear part 502, gear part 502 side wall is provided with driving block 501, pre-tightening roller 503 other end is inserted with pre-tightening block 509, pre-tightening block 509 both sides are provided with pre-tightening hole 513, pre-tightening hole 513 inside is provided with through hole, through hole inside is provided with second spring part 515, second spring part 515 bottom is fixedly installed with pre-tightening plate 514, when steel wire rope is inserted into the inside of pre-tightening hole 513, the diameter of steel wire rope extrudes pre-tightening plate 514, then second spring part 515 is compressed, to fix the steel wire rope of different diameters.

[0025] The pre-tightening device 5 further comprises a sliding block 506, one side of which is provided with a matching groove, and the lower surface of the sliding block 506 is provided with a first spring member 507, the matching groove of the sliding block 506 is arranged outside the matching plate of the fixed long plate 1, the bottom end of the first spring member 507 is provided with a fixed short plate 508, the fixed short plate 508 is arranged on the side wall of the fixed long plate 1, one side of the sliding block 506 is provided with a driving plate 505, the center part of the driving plate 505 is rotatably connected with a fixed circular block 504, the fixed circular block 504 is arranged on the side wall of the fixed long plate 1, one end of the driving plate 505 is matched with the gear member 502, when the steel wire rope is inserted into the inside of the penetrating hole 2, and the pre-tightening hole 513 is used for fixing the steel wire rope, at this time, the driving source outside is used to drive the rotation of the driving block 501, the rotation of the driving block 501 drives the rotation of the gear member 502 and the pre-tightening roller 503, the rotation of the gear member 502 drives one end of the driving plate 505 to move up and down, at this time, the steel wire rope is wound on the surface of the pre-tightening roller 503, so that the pre-tightening of the steel wire rope is completed.

[0026] The pre-tightening block 509 is provided with a first insertion hole 510, the gear member 502 is provided with a second insertion hole 511, the second insertion hole 511 is equal in diameter to the first insertion hole 510 and is arranged in parallel, and the second insertion hole 511 and the first insertion hole 510 are inserted with an insertion rod 512.

[0027] The pre-tightening plate 514 is arranged in four and is in the shape of a circular arc.

[0028] The fixed circular block 504 comprises a matching short rod, and the driving plate 505 is rotatable on the circumferential wall of the matching short rod.

[0029] The gear member 502 is a thorn gear.

[0030] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A steel cable pretensioning mechanism, characterized by: The utility model provides a kind of fixed long plate and pre-tightening device (5), the fixed long plate (1) is provided with two, the fixed long plate (1) two ends are set with through hole (2), the fixed long plate (1) one side is provided with wiping block (3), the wiping block (3) is provided with four, is distributed in the circumferential wall of through hole (2), the fixed long plate (1) side wall is provided with connecting rod (4), the connecting rod (4) is provided with four, and two two distribution, the fixed long plate (1) side wall is set with fixed hole (6), the fixed hole (6) is equipped with two, the fixed long plate (1) side wall is provided with cooperation plate; The pre-tightening device (5) includes a pre-tightening roller (503), the pre-tightening roller (503) is inserted into the inside of the fixed hole (6), the pre-tightening roller (503) one end is provided with a gear part (502), the gear part (502) side wall is provided with a driving block (501), the pre-tightening roller (503) other end is inserted with pre-tightening block (509), the pre-tightening block (509) both sides are set with pre-tightening hole (513), the pre-tightening hole (513) is provided with a through hole inside, the through hole is provided with a second spring part (515) inside, the second spring part (515) bottom is fixedly installed with pre-tightening plate (514); The pre-tightening device (5) further includes a sliding block (506), the sliding block (506) one side is set with a cooperation slot, the sliding block (506) lower surface is installed with a first spring part (507), the cooperation slot of the sliding block (506) is installed outside the cooperation plate provided by the fixed long plate (1), the first spring part (507) bottom end is installed with a fixed short plate (508), the fixed short plate (508) is installed on the side wall of the fixed long plate (1), the sliding block (506) one side is installed with a driving plate (505), the driving plate (505) center part is rotatably connected with a fixed round block (504), the fixed round block (504) is installed on the side wall of the fixed long plate (1), the driving plate (505) one end is matched with the gear part (502).

2. A steel cable pretensioning mechanism according to claim 1, characterized in that The pre-tightening block (509) is set with a first insertion hole (510), the pre-tightening roller (503) is set with a second insertion hole (511), the second insertion hole (511) is equal in diameter with the first insertion hole (510), and is placed in parallel, the second insertion hole (511) and the first insertion hole (510) are inserted with an insertion rod (512) inside.

3. A steel cable pretensioning mechanism according to claim 2, characterized in that The pre-tightening plate (514) is provided with four, and the shape is arc.

4. A steel cable pretensioning mechanism according to claim 3, characterized in that The fixed round block (504) includes a cooperation short rod, and the driving plate (505) rotates on the circumferential wall of the cooperation short rod.

5. A steel cable pretensioning mechanism according to claim 4, characterized in that The gear part (502) is a thorn gear.

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