CN218620056U

CN218620056U - Unidirectional rotation hoisting tackle

Info

Publication number: CN218620056U
Application number: CN202222291394.3U
Authority: CN
Inventors: 汪强; 陈海龙; 刘树良; 胡海涛; 毛劲松
Original assignee: Jilin Province Chengyuan Electric Power Engineering Co ltd
Current assignee: Jilin Province Chengyuan Electric Power Engineering Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-14
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses an unidirectional rotation hoisting tackle, including the diaphragm, its both sides all are connected with two mounting panels through hinge rotation, and one side that two mounting panels are relative all is provided with the single acting gear, and the single acting gear is including the ratchet, the pawl, installation component and elastic component, and the pulley rotates with the mounting panel through the pivot and alternates to be connected, and the ratchet is connected in the fixed interlude of pivot, and the pawl is connected with the ratchet meshing, and the pawl is connected with elastic component, and the elastic groove has all been seted up to one side that two mounting panels are relative, and elastic component is located the inside in elastic groove, and installation component is connected with the mounting panel. The utility model discloses utilize ratchet, pawl and elastic component matched with mode of setting, through the joint of ratchet and pawl for the pulley only can carry out unidirectional rotation, effectively avoids the goods to support the heavy object because of operation personnel's strength at the in-process that rises, thereby makes the heavy object whereabouts, leads to the pulley reversal, causes danger and economic loss.

Description

Unidirectional rotation hoisting tackle

Technical Field

The utility model relates to a jack-up coaster technical field, in particular to unidirectional rotation jack-up coaster.

Background

The hoisting tackle is commonly called a hoisting block, and the simple hoisting machine for vertically hoisting a heavy object through a chain wheel or a winding drum has the advantages of light dead weight, compact structure and convenient use, and is suitable for simple hoisting work in construction.

When using the jack-up coaster to carrying out operations such as transmission means, transported material, these works are accomplished by the manual work mostly, and when the goods of jack-up was heavier, the pulling force of the staff who draws the rope was less than the weight of goods a little, the pulley can take place the reversal for the downward landing of goods makes the goods fall from the eminence easily so that cause the goods damage to cause economic loss or cause the injury to the staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unidirectional rotation hoisting tackle to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a unidirectional rotation hoisting tackle comprises a transverse plate, two sides of the transverse plate are rotatably connected with two mounting plates through hinges, and a pulley is arranged between the two mounting plates;

one sides of the two mounting plates opposite to each other are provided with one-way mechanisms;

the one-way mechanism comprises a ratchet wheel, a pawl, an installation assembly and an elastic assembly, the pulley is connected with the installation plate in a rotating and penetrating mode through a rotating shaft, the ratchet wheel is connected with the rotating shaft in a fixed penetrating mode, the pawl is connected with the ratchet wheel in a meshed mode, the pawl is connected with the elastic assembly, an elastic groove is formed in one side, opposite to the installation plate, of the installation plate, the elastic assembly is located inside the elastic groove, and the installation assembly is connected with the installation plate.

Preferably, the installation component is including installation piece and bolt, the mounting groove has been seted up on the top of mounting panel, the mounting groove communicates with each other with the elastic tank, the installation piece is connected with the inner chamber sliding alternate of mounting groove, the bolt is connected with one side sliding alternate of mounting panel, the fixed orifices has all been seted up to the both sides of diaphragm, the bolt is connected with the inner chamber sliding alternate of fixed orifices.

Preferably, the equal fixedly connected with stopper in both sides side of mounting panel, the spacing groove has all been seted up to the both sides side of mounting groove inner wall, the stopper alternates with the inner chamber sliding of spacing groove to be connected.

Preferably, the elastic component comprises a sliding rod, a sliding block and a compression spring, slots are formed in the bottom end of the inner wall of the elastic groove and the bottom end of the mounting block, the two ends of the sliding rod are connected with the slots in a sliding and penetrating mode, the sliding block is connected with the sliding rod in a sliding and penetrating mode, one side of the sliding block is fixedly connected with the pawl, and the compression spring is sleeved outside the sliding rod.

Preferably, one end of the compression spring is fixedly connected with the bottom end of the mounting block, and the other end of the compression spring is fixedly connected with the top end of the sliding block.

Preferably, the top fixedly connected with link of diaphragm, the cross-section of link is the C font, the top screw thread interlude of link is connected with the fixed hook, the inside of link is provided with the nut, the nut alternates with the fixed hook screw thread and is connected.

The utility model discloses a technological effect and advantage:

(1) The utility model adopts the setting mode of matching the ratchet wheel, the pawl and the elasticity 14495, and the ratchet wheel and the pawl are clamped, so that the pulley can only rotate in one direction, and the phenomenon that the heavy object cannot be supported by the force of an operator in the lifting process of goods, so that the heavy object falls down to cause the pulley to rotate reversely, and the danger and the economic loss are avoided;

(2) The utility model discloses utilize mounting panel and installation component matched with to set up the mode, through twisting out the bolt, can extract the installation piece, when changing internal elastic component, also can rotate the mounting panel through the hinge to can conveniently maintain and dismantle pulley and spare part.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural view of the point B in fig. 2 according to the present invention.

Fig. 5 is a schematic view of the side structure of the ratchet wheel of the present invention.

In the figure: 1. a transverse plate; 2. mounting a plate; 3. a pulley; 4. a one-way mechanism; 41. a ratchet wheel; 42. a pawl; 43. mounting the component; 431. mounting a block; 432. a bolt; 433. a limiting block; 44. an elastic component; 441. a slide bar; 442. a slider; 443. a compression spring; 5. a connecting frame; 6. a fixed hook; 7. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides a unidirectional rotation hoisting tackle as shown in figures 1-5, which comprises a transverse plate 1, two mounting plates 2 are rotationally connected with both sides of the transverse plate through hinges, and a pulley 3 is arranged between the two mounting plates 2;

one side of each of the two mounting plates 2 opposite to each other is provided with a one-way mechanism 4;

unidirectional mechanism 4 is including ratchet 41, pawl 42, installation component 43 and elastic component 44, pulley 3 rotates through the pivot and alternates with installation board 2 and is connected, ratchet 41 is connected in the fixed interlude of pivot, pawl 42 is connected with ratchet 41 meshing, pawl 42 is connected with elastic component 44, the elastic slot has all been seted up to two relative one sides of installation board 2, elastic component 44 is located the inside in elastic slot, installation component 43 is connected with installation board 2, joint through ratchet 41 and pawl 42, make pulley 3 only can carry out unidirectional rotation, can effectively avoid the goods because of the unable heavy object of support of operating personnel's strength at the in-process that rises, thereby make the heavy object whereabouts, lead to pulley 3 reversal, cause danger and economic loss.

Installation component 43 is including installation piece 431 and bolt 432, the mounting groove has been seted up on the top of mounting panel 2, the mounting groove communicates with each other with the elastic trough, installation piece 431 is connected with the inner chamber sliding alternate of mounting groove, bolt 432 is connected with one side sliding alternate of mounting panel 2, the fixed orifices has all been seted up to the both sides of diaphragm 1, bolt 432 is connected with the inner chamber sliding alternate of fixed orifices, both can fix the installation piece 431 in the inside of mounting groove through bolt 432, can fix the both sides at diaphragm 1 with mounting panel 2 again, make mounting panel 2 can not rotate at will, thereby with pulley 3 centre gripping between two mounting panels 2, also be convenient for dismantle elastic component 44 through the setting of installation piece 431.

The equal fixedly connected with stopper 433 in both sides side of mounting panel 2, the spacing groove has all been seted up to the both sides side of mounting groove inner wall, and stopper 433 slides with the inner chamber of spacing groove and alternates and is connected, and stopper 433 has played the limiting displacement to installation piece 431 for installation piece 431 only can insert to suitable position, thereby the slide bar 441's of being convenient for installation.

The elastic component 44 comprises a sliding rod 441, a sliding block 442 and a compression spring 443, slots are formed in the bottom end of the inner wall of the elastic slot and the bottom end of the installation block 431, two ends of the sliding rod 441 are slidably and alternately connected with the slots, the sliding block 442 is slidably and alternately connected with the sliding rod 441, one side of the sliding block 442 is fixedly connected with the pawl 42, the compression spring 443 is sleeved outside the sliding rod 441, after the installation block 431 is pulled out, the elastic slot can be pulled out of the sliding rod 441, the sliding block 442 can be separated from the sliding rod 441, and maintenance and replacement of each component are facilitated.

One end of the compression spring 443 is fixedly connected with the bottom end of the mounting block 431, the other end of the compression spring 443 is fixedly connected with the top end of the sliding block 442, and the compression spring 443 is always in a compressed state inside the elastic groove, so that the compression spring 443 always has an elastic acting force on the pawl 42 through the sliding block 442, and when the ratchet 41 rotates in a single direction, the pawl 42 can be timely clamped on the tooth of the ratchet 41.

The top fixedly connected with link 5 of diaphragm 1, the cross-section of link 5 is the C font, the top threaded interlude of link 5 is connected with fixed hook 6, the inside of link 5 is provided with nut 7, nut 7 alternates with fixed hook 6 threaded alternation and is connected, can easily hang whole hoisting tackle in the eminence through fixed hook 6, perhaps be connected with other hoisting machinery, be convenient for jack-up the goods, nut 7's setting is convenient for dismantle and change fixed hook 6.

The utility model discloses the theory of operation:

when a hoisting tackle is needed, a rope passes through a groove formed in the outer wall of the pulley 3 and is hung at a high position through the fixing hook 6, one end of the rope is connected with goods to be hoisted, and a worker at the other end pulls the rope by holding the rope, so that the goods are hoisted;

if the pulley needs to be disassembled and maintained, the mounting block 431 is pulled out by unscrewing the bolt 432, and the mounting plate 2 can be rotated to completely disassemble the pulley 3 and the whole elastic assembly 44, so that the maintenance and the replacement are facilitated, and the service life of the whole hoisting tackle is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A unidirectional rotational hoisting tackle comprising:

the device comprises a transverse plate (1), two mounting plates (2) are rotatably connected to two sides of the transverse plate through hinges, and a pulley (3) is arranged between the two mounting plates (2);

the method is characterized in that: one sides of the two mounting plates (2) opposite to each other are provided with one-way mechanisms (4);

unidirectional mechanism (4) are including ratchet (41), pawl (42), installation component (43) and elastic component (44), pulley (3) rotate through pivot and mounting panel (2) and alternate and be connected, ratchet (41) are in the fixed alternate connection of pivot, pawl (42) are connected with ratchet (41) meshing, pawl (42) are connected, two with elastic component (44) elastic groove has all been seted up to one side that mounting panel (2) are relative, elastic component (44) are located the inside in elastic groove, installation component (43) are connected with mounting panel (2).

2. A unidirectional rotation hoisting tackle as claimed in claim 1, wherein the mounting assembly (43) includes a mounting block (431) and a bolt (432), the top end of the mounting plate (2) is provided with a mounting groove, the mounting groove is communicated with the elastic groove, the mounting block (431) is slidably inserted into the inner cavity of the mounting groove, the bolt (432) is slidably inserted into one side of the mounting plate (2), both sides of the horizontal plate (1) are provided with fixing holes, and the bolt (432) is slidably inserted into the inner cavity of the fixing holes.

3. A unidirectional rotation hoisting tackle as claimed in claim 2, wherein the mounting plate (2) is fixedly connected with a limiting block (433) at each side, the mounting groove is provided with a limiting groove at each side, and the limiting block (433) is slidably inserted into the inner cavity of the limiting groove.

4. The unidirectional rotation hoisting tackle of claim 1, wherein the elastic component (44) comprises a sliding rod (441), a sliding block (442) and a compression spring (443), slots are formed in the bottom end of the inner wall of the elastic groove and the bottom end of the mounting block (431), two ends of the sliding rod (441) are slidably and alternately connected with the slots, the sliding block (442) is slidably and alternately connected with the sliding rod (441), one side of the sliding block (442) is fixedly connected with the pawl (42), and the compression spring (443) is sleeved outside the sliding rod (441).

5. A unidirectional rotation hoisting tackle as claimed in claim 4, characterized in that the compression spring (443) has one end fixedly connected to the bottom end of the mounting block (431) and the other end fixedly connected to the top end of the slide (442).

6. A unidirectional rotation hoisting tackle as claimed in claim 1, wherein the top end of the transverse plate (1) is fixedly connected with a connecting frame (5), the cross-section of the connecting frame (5) is C-shaped, the top end of the connecting frame (5) is threaded and connected with a fixing hook (6), a nut (7) is arranged inside the connecting frame (5), and the nut (7) is threaded and connected with the fixing hook (6).