Novel steel wire rope length adjuster for rail-mounted gantry crane

Abstract

The utility model discloses a novel rail type gantry crane steel wire rope length adjuster which comprises a supporting frame, a hinge seat is arranged at the lower end of the supporting frame, a U-shaped seat is hinged to the inner side surface of the hinge seat, a sliding opening is formed in the inner side of the lower end of the U-shaped seat, a wheel seat is connected to the inner end of the sliding opening in a sliding mode, and a pulley is arranged at the lower end of the wheel seat. A bolt is inserted into the inner side surface of the U-shaped seat in a penetrating mode, the lower end of the bolt is connected to the inner side surface of the wheel seat through threads, a sliding rod, a positioning clamping block and a spring are arranged on the outer side of the U-shaped seat, the wheel seat is driven to move and adjust through rotation of the bolt, the bolt can be rotationally positioned through a positioning assembly, and the thread slipping phenomenon is avoided; and the use precision is improved.

Description

Technical Field

[0001] The utility model relates to the field of a steel wire rope length regulator for a rail-type gantry crane, and more specifically, to a novel steel wire rope length regulator for a rail-type gantry crane. Background Art

[0002] Gantry cranes are light in weight and low in cost. They can realize the movement of the trolley, the car and the height direction. They are widely used in factories and docks. Due to their own structural form, when designing the winding of the lifting mechanism wire rope, multiple sets of pulley blocks are designed on the hoisting device. The length of the multiple wire ropes cannot be straight, and there will definitely be errors. When lifting, the forces at each point will be different, affecting the lifting.

[0003] Its CN217676464U discloses a lifting wire rope length adjustment device for a gantry crane, wherein a pulley component is connected to a connecting shaft through a connecting frame, an adjusting screw is arranged on the connecting shaft, the adjusting screw passes through a bolt hole on a support, and a nut is arranged at the end of the adjusting screw; the nut is rotated by rotating the adjusting handle, and the rotation of the nut drives the adjusting bolt to move in the axial direction of the slideway, thereby driving the wire rope wound on the pulley to move horizontally, realizing the adjustment of the wire rope length, and then realizing the same force and length of the wire rope, ensuring the same height of the goods hoisted by the sling, and meeting the requirements of loading and unloading operations;

[0004] In the above-mentioned patent, the length of the wire rope lifting winding can be adjusted by adjusting the pulley distance, and each group can be kept consistent. When adjusting the position of the pulley, it is necessary to adjust the twist nut to adjust the length. The nut and the bolt are connected by a threaded connection. When in use, the lifting wheel assembly is affected by shaking, friction, etc., and the nut will definitely become loose and affect the adjustment accuracy. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a new type of wire rope length adjuster for a rail-mounted gantry crane, which drives the wheel seat to move and adjust by rotating the bolt, and a positioning component is provided to rotate and position the bolt, so that thread slippage will not occur, thereby improving the accuracy during use.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A new type of rail-mounted gantry crane wire rope length adjuster comprises a support frame, a hinged seat is arranged at the lower end of the support frame, a U-shaped seat is hingedly connected to the inner surface of the hinged seat, a sliding opening is arranged on the inner side of the lower end of the U-shaped seat, a wheel seat is slidably connected to the inner end of the sliding opening, a pulley is arranged at the lower end of the wheel seat, a bolt is inserted into the inner surface of the U-shaped seat, the lower end of the bolt is connected to the inner surface of the wheel seat by a thread, a slide rod, a positioning block and a spring are arranged on the outer side of the U-shaped seat, the wheel seat is moved and adjusted by rotating the bolt, and a positioning component is arranged to rotate and position the bolt, so that the thread slipping phenomenon will not occur, thereby improving the accuracy during use.

[0008] Furthermore, a positioning block is fixed on the end surface of the slide rod, and the positioning block is inserted into a positioning triangular groove, and the positioning triangular groove is arranged on the outer surface of the bolt.

[0009] Furthermore, the positioning triangular grooves are evenly distributed on a circle surface of the bolt.

[0010] Furthermore, the spring is sleeved on the outer surface of the sliding rod, and the sliding rod is inserted and slid on the inner surface of the U-shaped seat.

[0011] Furthermore, the positioning block adopts a corner block structure, and a corner protrusion is arranged on the upper end.

[0012] Furthermore, the bolt is a hexagon socket bolt, and a hexagon socket groove is arranged on the upper end surface.

[0013] Furthermore, the wheel seat is tightly fitted on the inner surface of the sliding opening at the lower end of the U-shaped seat.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) The wheel seat is moved and adjusted by rotating the bolt, and a positioning component is provided to rotate and position the bolt, so that thread slippage will not occur, thereby improving the accuracy during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a top view of the connection relationship between the positioning block and the bolt of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1 support frame, 2 hinged seat, 3 U-shaped seat, 4 wheel seat, 40 pulley, 5 bolts, 6 slide rods, 7 positioning blocks, 8 springs, 9 positioning triangular grooves. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-2 A new type of rail-mounted gantry crane wire rope length adjuster comprises a support frame 1, a hinged seat 2 is arranged at the lower end of the support frame 1, a U-shaped seat 3 is hingedly connected to the inner surface of the hinged seat 2, a sliding opening is arranged at the inner side of the lower end of the U-shaped seat 3, a wheel seat 4 is slidably connected to the inner end of the sliding opening, the wheel seat 4 is tightly fitted to the inner surface of the sliding opening at the lower end of the U-shaped seat 3, a pulley 40 is arranged at the lower end of the wheel seat 4, a bolt 5 is inserted into the inner surface of the U-shaped seat 3, and the lower end of the bolt 5 is connected to the inner surface of the wheel seat 4 by a thread, and a slide rod 6, a positioning block 7, and a spring 8 are arranged on the outer side of the U-shaped seat 3;

[0023] The spring 8 is sleeved on the outer surface of the slide bar 6, and the slide bar 6 is inserted and slid on the inner surface of the U-shaped seat 3. The end surface of the slide bar 6 is fixed with a positioning block 7, and the spring 8 squeezes the positioning block 7 to drive the positioning block 7 to snap into the positioning triangular groove 9. The positioning triangular groove 9 is arranged on the outer surface of the bolt 5, and the positioning triangular grooves 9 are evenly distributed on a circle surface of the bolt 5. When the bolt 5 is rotated for adjustment, the positioning triangular groove 9 of the bolt 5 can be squeezed and the positioning block 7 can be retracted, and it can be snapped into position again when it reaches another positioning triangular groove 9, and it can be jumped and snapped. When the bolt 5 is twisted for adjustment, it is convenient to position the bolt 5 without slipping. When it is used, the bolt 5 rotates (forward or reverse), which can drive the wheel seat 4 to move up and down, and can be positioned and slid in the sliding mouth for easy adjustment;

[0024] The positioning block 7 adopts a folded corner block structure, and a folded corner protrusion is provided on the upper end, which is convenient for manually pulling the positioning block 7 outward, and the operation is convenient;

[0025] The bolt 5 is a hexagon socket bolt, and a hexagon socket groove is arranged on the upper end surface. A hexagon socket wrench can be inserted into the hexagon socket groove and twisted, so that the bolt 5 can be twisted easily.

[0026] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A novel wire rope length adjuster for a rail-mounted gantry crane, comprising a support frame (1), characterized in that: A hinged seat (2) is arranged at the lower end of the support frame (1), and a U-shaped seat (3) is hingedly connected to the inner surface of the hinged seat (2). A sliding opening is arranged on the inner side of the lower end of the U-shaped seat (3), and a wheel seat (4) is slidably connected to the inner end of the sliding opening. A pulley (40) is arranged at the lower end of the wheel seat (4). A bolt (5) is inserted into the inner surface of the U-shaped seat (3), and the lower end of the bolt (5) is connected to the inner surface of the wheel seat (4) by a thread. A sliding rod (6), a positioning block (7), and a spring (8) are arranged on the outer side of the U-shaped seat (3).

2. The novel rail-mounted gantry crane wire rope length adjuster according to claim 1 is characterized in that: The end surface of the slide bar (6) is fixed with a positioning block (7), the positioning block (7) is inserted into a positioning triangular groove (9), and the positioning triangular groove (9) is provided on the outer surface of the bolt (5).

3. The new type of rail-mounted gantry crane wire rope length adjuster according to claim 2 is characterized in that: The positioning triangular grooves (9) are evenly distributed on a circle surface of the bolt (5).

4. The novel rail-mounted gantry crane wire rope length adjuster according to claim 1 is characterized in that: The spring (8) is sleeved on the outer surface of the slide rod (6), and the slide rod (6) is inserted and slid on the inner surface of the U-shaped seat (3).

5. The novel rail-mounted gantry crane wire rope length adjuster according to claim 1 is characterized in that: The positioning block (7) adopts a corner block structure, and a corner protrusion is arranged on the upper end.

6. The novel rail-mounted gantry crane wire rope length adjuster according to claim 1 is characterized in that: The bolt (5) is a hexagon socket bolt, and a hexagon socket groove is arranged on the upper end surface.

7. The novel rail-mounted gantry crane wire rope length adjuster according to claim 1 is characterized in that: The wheel seat (4) is tightly fitted on the inner surface of the sliding opening at the lower end of the U-shaped seat (3).

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