Stable forward and reverse rotation self-locking elevator

Abstract

The utility model discloses a stable forward and reverse rotation self-locking elevator, which relates to the technical field of elevators, and comprises a mounting frame, a lifting unit is arranged on one side of the mounting frame, a limiting unit is arranged on one side of the lifting unit, a self-locking unit is arranged on one side of the lifting unit, and the self-locking unit comprises a rotating rod. The rotating rod is arranged on one side of the lifting unit, the surface of the rotating rod is rotationally connected with a limiting column, one side of the limiting column is fixedly connected to one side of the mounting frame, a first thread is arranged on the surface of the rotating rod, a second thread is arranged on the surface of the rotating rod, and one side of the first thread is in meshed connection with a meshing block; and one side of the thread II is in threaded connection with a nut. Through the arrangement of the rotating rod, the limiting column, the first thread, the second thread, the meshing block, the nut, the handle, the friction plate, the gear and the connecting block, the effect of self-locking in the forward direction and the reverse direction is achieved during lifting work, and the practicability of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technical field, concretely relates to a stable positive and negative rotation self -locking hoist. BACKGROUND

[0002] The hoist is the large -scale mechanical equipment through the change potential energy and transports, such as mine hoist, dam hoist etc. Broadly speaking, elevator, crown block, hoist, stable car, crane, hoist, etc. can be called hoist. Hoist generally refers to the large -scale mechanical equipment of power and strong lifting capacity. Through the power machinery drag flexible piece steel wire rope and the goods transported up and down movement completes the transportation process, and the steel wire rope is the important part of hoisting machinery, and the main varieties include phosphating coating steel wire rope, galvanized steel wire rope, stainless steel wire rope, bright steel wire rope and the like.

[0003] The existing lifting device can not realize self-locking function in the process of lifting the object, thereby leading to low practicality of the device, and therefore a stable positive and negative rotation self-locking hoist is proposed to solve the above problems. INVENTION CONTENTS

[0004] The utility model discloses a stable positive and negative rotation self -locking hoist to solve the problems in the background art.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A stable positive and negative rotation self-locking hoist, comprising a mounting frame, a lifting unit is arranged on one side of the mounting frame, a limiting unit is arranged on one side of the lifting unit, and a self-locking unit is arranged on one side of the lifting unit.

[0007] The self-locking unit comprises a rotating rod, the rotating rod is arranged on one side of the lifting unit, a limiting column is rotatably connected to the surface of the rotating rod, one side of the limiting column is fixedly connected to one side of the mounting frame, a first thread is arranged on the surface of the rotating rod, a second thread is arranged on the surface of the rotating rod, an engaging block is engagedly connected to one side of the first thread, a nut is threadedly connected to one side of the second thread, a handle is fixedly connected to one side of the engaging block, a connecting block is slidably connected to the surface of the rotating rod, a friction plate is slidably connected to the surface of the connecting block, the number of the friction plates is two, a gear is arranged on one side of the friction plate, and the gear is slidably connected in the inside of the connecting block.

[0008] Further improvement of the technical scheme of the utility model is that the lifting unit comprises a detachable assembly, the detachable assembly is arranged on one side of the mounting frame, a rotating shaft is rotatably arranged in the inside of the detachable assembly, and a winding roller is fixedly connected to the surface of the rotating shaft.

[0009] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0010] The further improvement of the technical scheme of the utility model lies in that the inside of the winding roller is provided with a steel wire, the surface of the steel wire is slidably provided with a guide wheel, the inside of the guide wheel is rotatably connected with a connecting rod, the both ends of the connecting rod are fixedly connected in the inside of the mounting frame, the surface of the winding roller is fixedly connected with a gear one, one side of the gear one is meshedly connected with a gear two, one side of the gear two is fixedly connected with one end of a rotating rod.

[0011] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0012] The further improvement of the technical scheme of the utility model lies in that the inside of the winding roller is provided with a steel wire, the surface of the steel wire is slidably provided with a guide wheel, the inside of the guide wheel is rotatably connected with a connecting rod, the both ends of the connecting rod are fixedly connected in the inside of the mounting frame, the surface of the winding roller is fixedly connected with a gear one, one side of the gear one is meshedly connected with a gear two, one side of the gear two is fixedly connected with one end of a rotating rod.

[0013] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0014] The further improvement of the technical scheme of the utility model lies in that the inside of the winding roller is provided with a steel wire, the surface of the steel wire is slidably provided with a guide wheel, the inside of the guide wheel is rotatably connected with a connecting rod, the both ends of the connecting rod are fixedly connected in the inside of the mounting frame, the surface of the winding roller is fixedly connected with a gear one, one side of the gear one is meshedly connected with a gear two, one side of the gear two is fixedly connected with one end of a rotating rod.

[0015] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0016] The further improvement of the technical scheme of the utility model lies in that the inside of the winding roller is provided with a steel wire, the surface of the steel wire is slidably provided with a guide wheel, the inside of the guide wheel is rotatably connected with a connecting rod, the both ends of the connecting rod are fixedly connected in the inside of the mounting frame, the surface of the winding roller is fixedly connected with a gear one, one side of the gear one is meshedly connected with a gear two, one side of the gear two is fixedly connected with one end of a rotating rod.

[0017] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0018] The further improvement of the technical scheme of the utility model lies in that the inside of the winding roller is provided with a steel wire, the surface of the steel wire is slidably provided with a guide wheel, the inside of the guide wheel is rotatably connected with a connecting rod, the both ends of the connecting rod are fixedly connected in the inside of the mounting frame, the surface of the winding roller is fixedly connected with a gear one, one side of the gear one is meshedly connected with a gear two, one side of the gear two is fixedly connected with one end of a rotating rod.

[0019] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0020] The technical scheme has the effects that the rotation shaft, the winding roller and the steel wire are arranged, so that the object lifting connection effect is facilitated.

[0021] 1. The utility model provides a stable positive and negative rotation self -locking's elevator, through the setting of rotation pole, limiting column, screw no. 1, screw no. 2, meshing block, nut, handle, friction plate, gear and connecting block, reach when carrying out the lifting work, realize the effect of positive and negative direction self -locking, further improve the practicality of lifting device, through the setting of rotation axis, winding roller and steel wire, it is convenient to the effect of connecting of object lifting, through the cooperation of guide wheel and connecting rod, reduce the problem that steel wire appears abrasion, improve the service life of steel wire.

[0022] 2. The utility model provides a stable positive and negative rotation self -locking's elevator, through the bearing inside the setting of limiting frame, further reduce the effect that rotation axis appears abrasion, through the setting of fixed bolt, it is convenient to the effect of disassembling maintenance of bearing of long time use, through the setting of mounting block, limiting shaft and limiting tooth, it is convenient to the effect of limiting of gear's rotation displacement. ACCURACY OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the structure schematic diagram of the utility model lifting unit;

[0025] Figure 3 It is the A structure of the utility model Figure 2 Enlarged view;

[0026] Figure 4 It is the structure schematic diagram of the utility model limiting unit;

[0027] Figure 5 It is the cross section structure explosion schematic diagram of the utility model self -locking unit.

[0028] In the drawing: 1, mounting frame; 2, lifting unit; 21, convenient to dismantle component; 211, limiting frame; 212, bearing; 213, fixed bolt; 22, rotation axis; 23, winding roller; 24, steel wire; 25, guide wheel; 26, connecting rod; 27, gear no. 1; 28, gear no. 2; 3, limiting unit; 31, mounting block; 32, limiting shaft; 33, limiting tooth; 4, self -locking unit; 41, rotation pole; 42, limiting column; 43, screw no. 1; 44, screw no. 2; 45, meshing block; 46, nut; 47, handle; 48, friction plate; 49, gear; 40, connecting block. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in connection with examples below:

[0030] Example 1

[0031] As Figures 1-5The utility model provides a kind of stable positive and negative self-locking elevator, including mounting frame 1, the side of mounting frame 1 is provided with lifting unit 2, the side of lifting unit 2 is provided with limiting unit 3, the side of lifting unit 2 is provided with self-locking unit 4, self-locking unit 4 includes rotating lever 41, rotating lever 41 is arranged at the side of lifting unit 2, the surface of rotating lever 41 is rotatably connected with limiting column 42, the side of limiting column 42 is fixedly connected at the side of mounting frame 1, the surface of rotating lever 41 is provided with thread one 43, the surface of rotating lever 41 is provided with thread two 44, the side of thread one 43 is engagedly connected with engagement block 45, the side of thread two 44 is threadedly connected with nut 46, the side of engagement block 45 is fixedly connected with handle 47, the surface of rotating lever 41 is slidably connected with connecting block 40, the surface of connecting block 40 is slidably connected with friction plate 48, the number of friction plate 48 is two, the side of friction plate 48 is provided with gear 49, gear 49 is slidably connected in the inside of connecting block 40, limiting unit 3 includes mounting block 31, mounting block 31 is connected at the side of mounting frame 1 by bolt, the side of mounting block 31 is fixedly connected with limiting shaft 32, the surface of limiting shaft 32 is rotatably connected with limiting tooth 33, by connecting the object required to be lifted with steel wire 24, control handle 47 is rotated counterclockwise along with, simultaneously drive engagement block 45 and rotating lever 41 surface thread one 43 between engagement, while engagement block 45 is driven rotating lever 41 under the limit of nut 46 under the limit of limiting column 42 and rotates, friction plate 48 and gear 49 between loose state is presented simultaneously, after lifting is completed through the effect of object weight in one end of steel wire 24, rotating lever 41 is rotated clockwise along with, while the thread one 43 on the surface of rotating lever 41 and engagement block 45 are engaged again between, while engagement block 45 drives two friction plates 48 between mutual clamping, clockwise rotating handle 47 can drive rotating lever 41 to reverse along with, the falling of object is realized simultaneously, gear 49 and the one end of limiting tooth 33 are slid along with, stop rotating can be locked.

[0032] Example 2

[0033] As Figures 1-5As shown, on the basis of example 1, the utility model provides a technical scheme: preferably, the lifting unit 2 includes detachable assembly 21, detachable assembly 21 is arranged at the side of mounting frame 1, the inside rotation of detachable assembly 21 is provided with shaft 22, the surface of shaft 22 is fixedly connected with winding roller 23, the inside of winding roller 23 is provided with steel wire 24, the surface of steel wire 24 is slidably provided with guide wheel 25, the inside rotation of guide wheel 25 is connected with connecting rod 26, the both ends of connecting rod 26 are fixedly connected in the inside of mounting frame 1, the surface of winding roller 23 is fixedly connected with gear one 27, gear one 27 is meshed with gear two 28 on one side, gear two 28 is fixedly connected with one end of rotating rod 41 on one side, in the process of gear two 28 and gear one 27 meshing, simultaneously drive steel wire 24 inside winding roller 23 to move, while steel wire 24 moves in the inside of guide wheel 25, can reduce the abrasion of steel wire 24 and promote service life.

[0034] Example 3

[0035] As Figures 1-5 shown, on the basis of example 1, the utility model provides a technical scheme: preferably, detachable assembly 21 includes limiting frame 211, limiting frame 211 is connected through screw on the side of mounting frame 1, the inside sliding of limiting frame 211 is connected with bearing 212, the inside screw of limiting frame 211 is connected with fixed bolt 213, in the process of daily use, by the setting of bearing 212, can further reduce the abrasion of shaft 22, simultaneously by the action of fixed bolt 213 can detach and overhaul maintenance bearing 212, promote the service life of device.

[0036] The working principle of the stable positive and negative rotation self-locking elevator will be described below.

[0037] As Figures 1-5As shown, by connecting the object to be lifted with the steel wire 24, the handle 47 is then controlled to rotate counterclockwise, and the engagement block 45 is engaged with the surface thread one 43 of the rotating rod 41, and the engagement block 45 drives the rotating rod 41 to rotate under the limiting of the nut 46 and the limiting column 42, at this time the friction plate 48 and the gear 49 are in a loose state, and after the lifting is completed, the object weight at one end of the steel wire 24 drives the rotating rod 41 to rotate clockwise, and the surface thread one 43 of the rotating rod 41 is engaged with the engagement block 45 again, at this time the engagement block 45 drives the two friction plates 48 to clamp each other, and rotating the handle 47 clockwise can drive the rotating rod 41 to reverse, and the object is lowered, and the gear 49 and one end of the limiting tooth 33 slide, and stop rotating to lock, in the process of engaging the gear two 28 and the gear one 27, the steel wire 24 inside the winding roller 23 is moved synchronously, and the steel wire 24 moves inside the guide wheel 25, which can reduce the wear of the steel wire 24 and prolong the service life, in the process of daily use, the bearing 212 can further reduce the wear of the rotating shaft 22, and the bearing 212 can be disassembled, repaired and maintained through the fixing bolt 213, thereby prolonging the service life of the lifting device.

[0038] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the protection scope of the utility model.

Claims

1. A stable positive and negative self-locking elevator comprising a mounting frame (1), characterized in that: One side of the mounting frame (1) is provided with a lifting unit (2), one side of the lifting unit (2) is provided with a limiting unit (3), one side of the lifting unit (2) is provided with a self-locking unit (4); The self-locking unit (4) includes a rotating rod (41), the rotating rod (41) is arranged on one side of the lifting unit (2), the surface of the rotating rod (41) is rotatably connected with a limiting column (42), one side of the limiting column (42) is fixedly connected with one side of the mounting frame (1), the surface of the rotating rod (41) is provided with a thread one (43), the surface of the rotating rod (41) is provided with a thread two (44), one side of the thread one (43) is engagedly connected with an engaging block (45), one side of the thread two (44) is threadedly connected with a nut (46), one side of the engaging block (45) is fixedly connected with a handle (47), the surface of the rotating rod (41) is slidably connected with a connecting block (40), the surface of the connecting block (40) is slidably connected with a friction plate (48), the number of the friction plate (48) is two, one side of the friction plate (48) is provided with a gear (49), the inside of the gear (49) is slidably connected in the inside of the connecting block (40).

2. A stable positive and negative rotation self-locking elevator according to claim 1, characterized in that: The lifting unit (2) includes a convenient disassembly assembly (21), the convenient disassembly assembly (21) is arranged on one side of the mounting frame (1), a rotating shaft (22) is rotatably arranged in the convenient disassembly assembly (21), and a winding roller (23) is fixedly connected to the surface of the rotating shaft (22).

3. A stable positive and negative rotation self-locking elevator according to claim 2, characterized in that: The inside of the winding roller (23) is provided with a steel wire (24), the surface of the steel wire (24) is slidably provided with a guide wheel (25), the inside of the guide wheel (25) is rotatably connected with a connecting rod (26), both ends of the connecting rod (26) are fixedly connected in the inside of the mounting frame (1), the surface of the winding roller (23) is fixedly connected with a gear one (27), one side of the gear one (27) is engagedly connected with a gear two (28), and one side of the gear two (28) is fixedly connected with one end of the rotating rod (41).

4. A stable positive and negative rotation self-locking elevator according to claim 2, characterized in that: The convenient disassembly assembly (21) includes a limiting frame (211), the limiting frame (211) is threadedly connected on one side of the mounting frame (1), and a bearing (212) is slidably connected in the inside of the limiting frame (211).

5. A stable positive and negative rotation self-locking elevator according to claim 4, characterized in that: The inside of the limiting frame (211) is threadedly connected with a fixing bolt (213).

6. A stable positive and negative rotation self-locking elevator according to claim 1, characterized in that: The limiting unit (3) includes a mounting block (31), the mounting block (31) is connected on one side of the mounting frame (1) through bolts, and a limiting shaft (32) is fixedly connected to one side of the mounting block (31).

7. A stable positive and negative rotation self-locking elevator according to claim 6, characterized in that: The surface of the limiting shaft (32) is rotatably connected with a limiting tooth (33).

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