CN218778634U

CN218778634U - Pulley traction device for electrical construction

Info

Publication number: CN218778634U
Application number: CN202220395931.6U
Authority: CN
Inventors: 刘锦; 刘颢
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2023-03-31
Anticipated expiration: 2032-02-26

Abstract

The utility model discloses a pulley draw gear for electrical construction, including davit and mounting bracket, davit lower extreme fixedly connected with support frame, the mounting bracket inner wall rotates and is connected with the pivot, pivot lateral wall fixedly connected with pulls the pulley, mounting bracket upper end fixedly connected with installation pole, the support frame lower extreme seted up with installation pole complex mounting groove, the spout has been seted up in the support frame, spout inner wall symmetry sliding connection has two sliders, two kellies of slider lower extreme fixedly connected with, two and kellies complex draw-in grooves have been seted up to the installation pole lateral wall, install actuating mechanism in the spout, actuating mechanism is including rotating the two-way lead screw of connection in the spout. The utility model discloses a driving motor rotates for during two kellies got into the draw-in groove, will pull the pulley and install on the support frame, all that adopts is mechanical structure, installation and dismantlement convenience, labour saving and time saving all very.

Description

Pulley traction device for electrical construction

Technical Field

The utility model relates to a pulley pulling equipment technical field especially relates to a pulley draw gear for electrical construction.

Background

In the electrical construction process, some cables and power equipment with large mass can be frequently used by a crane during transportation, pulley traction equipment is installed on a suspension arm of the crane, and a heavy object is lifted by utilizing a fixed pulley and a lifting rope, so that the cables and the power equipment are transported.

At present, a pulley traction device for electrical construction is installed on a support frame at the tip end of a crane boom, the traction pulley is usually fixedly connected with the support frame in a welding mode, time and labor are wasted in installation, and when the traction pulley needs to be maintained and replaced, the traction pulley can be cut off from the support frame, so that the disassembly is troublesome, time and labor are wasted in ten minutes, and the support frame is easily damaged in the cutting process.

Based on this, we propose a pulley traction device for electrical construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pulley traction device for electrical construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pulley draw gear for electrical construction, includes davit and mounting bracket, davit lower extreme fixedly connected with support frame, the mounting bracket inner wall rotates and is connected with the pivot, pivot lateral wall fixedly connected with pulls the pulley, mounting bracket upper end fixedly connected with installation pole, the support frame lower extreme seted up with installation pole complex mounting groove, seted up the spout in the support frame, spout inner wall symmetry sliding connection has two sliders, two kellies of slider lower extreme fixedly connected with, installation pole lateral wall set up two with kellies complex draw-in grooves, install actuating mechanism in the spout.

Preferably, actuating mechanism is including rotating the two-way lead screw of connection in the spout, two-way lead screw lateral wall and two slider threaded connection, support frame lateral wall fixedly connected with motor, the motor output run through the support frame lateral wall and with two-way lead screw fixed connection.

Preferably, two the slider lateral wall symmetry fixedly connected with two bracing pieces, the mounting bracket lateral wall symmetry seted up two with bracing piece complex transverse groove.

Preferably, two grooves are symmetrically formed in the lower end of the support frame, the two grooves are communicated with the sliding groove, and the clamping rod and the side wall of the support rod are respectively connected with the inner walls of the two grooves in a sliding mode.

Preferably, two logical groove has all been seted up to the recess inner wall, and two the recess is led to groove and mounting groove intercommunication through two respectively.

Preferably, a plurality of rolling grooves are formed in the inner wall of the sliding groove, and a plurality of balls are rotatably connected to the inner walls of the rolling grooves.

The utility model discloses following beneficial effect has:

1. through setting up mounting bracket, support frame, mounting groove, installation pole, spout, slider, kelly, draw-in groove and actuating mechanism, rotate through driving motor for two kellies get into the draw-in groove, will pull the pulley and install on the support frame, all that adopts is mechanical structure, and the convenience, labour saving and time saving that all ten minutes were all installed and dismantled.

2. Through setting up bracing piece and cross slot, when traction pulley when hoisting up the heavy object, the kelly can receive the pressure of heavy object with the installation pole, and bracing piece and cross slot cooperation can alleviate the pressure that kelly and installation pole received for the mounting bracket provides certain support.

3. Through setting up slot rolling and ball, when the slider slided in the spout, the ball can be at the slot rolling internal rotation, changes the sliding friction between slider and the spout inner wall into rolling friction, reduces frictional force, the slip of the slider of being more convenient for.

Drawings

Fig. 1 is a schematic structural view of a pulley traction device for electrical construction according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of B in fig. 1.

In the figure: 1 davit, 2 mounting brackets, 3 support frames, 4 pivots, 5 traction pulleys, 6 installation rods, 7 installation grooves, 8 sliding grooves, 9 sliding blocks, 10 clamping rods, 11 clamping grooves, 12 bidirectional screw rods, 13 motors, 14 supporting rods, 15 transverse grooves, 16 grooves, 17 through grooves, 18 rolling grooves and 19 balls.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a pulley draw gear for electrical construction, including davit 1 and mounting bracket 2, mounting bracket 2 is the U-shaped, 1 lower extreme fixedly connected with support frame 3 of davit, 2 inner walls of mounting bracket rotate and are connected with pivot 4, 4 lateral walls of pivot fixedly connected with

draw pulley

5, 2 upper ends fixedly connected with installation pole 6 of mounting bracket, 3 lower extremes of support frame set up with installation pole 6 complex mounting groove 7, seted up spout 8 in the

support frame

3, 8 inner walls of spout symmetry sliding connection have two

sliders

9, 9 lower extremes of two sliders fixedly connected with two kellies 10, two kellies 10 are the L shape, 6 lateral walls of installation pole set up two draw-in grooves 11 with kellies 10 complex, install actuating mechanism in the spout 8.

Actuating mechanism is including rotating the two-way lead screw 12 of connection in spout 8, two-way lead screw 12 lateral walls and two slider 9 threaded connection, it needs to explain that, two slider 9 lateral walls with all offset with 8 inner walls of spout for two sliders 9 can not produce the rotation, 3 lateral walls fixedly connected with motors 13 of support frame, 13 output run through 3 lateral walls of support frame and with two-way lead screw 12 fixed connection.

Two supporting rods 14 are symmetrically and fixedly connected to the side walls of the two sliders 9, the two supporting rods 14 are L-shaped, and two transverse grooves 15 matched with the supporting rods 14 are symmetrically formed in the side walls of the mounting frame 2.

Two recesses 16 have been seted up to 3 lower extreme symmetries of support frame, and two recesses 16 all communicate with spout 8, two kelly 10 and 14 lateral walls of bracing piece respectively with two 16 inner wall sliding connection of recess, two 16 inner walls of recess have all been seted up and have been led to groove 17, and just two recesses 16 communicate with mounting groove 7 through two logical groove 17 respectively.

A plurality of rolling grooves 18 have been seted up to 8 inner walls of spout, and a plurality of rolling grooves 18 inner walls rotate and are connected with a plurality of balls 19, it should be explained that, when slider 9 slides, balls 19 also can rotate, changes the sliding friction between

slider

9 and 8 inner walls of spout into rolling friction, reduces frictional force, the slip of the slider 9 of being more convenient for.

In the using process, firstly, the mounting rod 6 is inserted into the mounting groove 7, then the driving motor 13 rotates to drive the bidirectional screw 12 to rotate, the two sliding blocks 9 are driven to slide in the sliding grooves 8 in a mutually close manner, the two clamping rods 10 are driven to slide in a mutually close manner, the two clamping rods 10 can respectively slide on the inner walls of the two grooves 16, then the mounting rod 6 enters the clamping groove 11 through the through groove 17 to be fixed, the mounting rod 6 is fixedly mounted in the mounting groove 7, and the traction pulley 5 is further mounted on the support frame 3;

when two sliders 9 were close to each other, can drive two bracing pieces 14 simultaneously and be close to each other, two bracing pieces 14 can enter into cross slot 15, and when traction pulley 5 pulled the heavy object, bracing piece 14 and cross slot 15 cooperation supported mounting bracket 2, alleviateed the pressure that kelly 10 and installation pole 6 received.

When needs maintain traction pulley 5 and change, driving motor 13 antiport drives two-way lead screw 12 antiport, and then drives two sliders 9 and in the slip that 8 inner walls of spout kept away from each other, drives two kellies 10 and keeps away from each other for two kellies 10 break away from draw-in groove 11, and then no longer fixes installation pole 6, alright in order to pull out installation pole 6 mounting groove 7, dismantle traction pulley 5 from support frame 3 and keep in repair the change.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pulley draw gear for electrical construction, includes davit (1) and mounting bracket (2), its characterized in that, davit (1) lower extreme fixedly connected with support frame (3), mounting bracket (2) inner wall rotates and is connected with pivot (4), pivot (4) lateral wall fixedly connected with pulls pulley (5), mounting bracket (2) upper end fixedly connected with installation pole (6), support frame (3) lower extreme seted up with installation pole (6) complex mounting groove (7), seted up spout (8) in support frame (3), spout (8) inner wall symmetry sliding connection has two slider (9), two slider (9) lower extreme fixedly connected with two kelly (10), installation pole (6) lateral wall seted up two with kelly (10) complex draw-in groove (11), install actuating mechanism in spout (8).

2. The pulley traction device for electrical construction according to claim 1, wherein the driving mechanism comprises a bidirectional screw (12) rotatably connected in the chute (8), the side wall of the bidirectional screw (12) is in threaded connection with the two sliders (9), the side wall of the support frame (3) is fixedly connected with a motor (13), and the output end of the motor (13) penetrates through the side wall of the support frame (3) and is fixedly connected with the bidirectional screw (12).

3. The pulley traction device for electrical construction according to claim 2, wherein two support rods (14) are symmetrically and fixedly connected to side walls of the two sliding blocks (9), and two transverse grooves (15) matched with the support rods (14) are symmetrically formed in the side walls of the mounting frame (2).

4. The pulley traction device for electrical construction as claimed in claim 3, wherein the lower end of the support frame (3) is symmetrically provided with two grooves (16), both of the two grooves (16) are communicated with the chute (8), and the side walls of the two clamping bars (10) and the support bar (14) are respectively connected with the inner walls of the two grooves (16) in a sliding manner.

5. The pulley traction device for electrical construction according to claim 4, wherein the inner walls of the two grooves (16) are provided with through grooves (17), and the two grooves (16) are respectively communicated with the mounting groove (7) through the two through grooves (17).

6. The pulley traction device for electrical construction according to claim 5, wherein a plurality of rolling grooves (18) are formed on the inner wall of the sliding groove (8), and a plurality of balls (19) are rotatably connected to the inner wall of the plurality of rolling grooves (18).