Simple steel pipe straightening device for tower crane

Abstract

The utility model discloses a simple tower crane steel pipe straightening device, which relates to the technical field of steel pipe straightening and comprises a base, a jack mechanism is arranged on the top surface of the base, a connecting mechanism is arranged on the side surface of the jack mechanism, and a fixing mechanism is arranged at the top end of the connecting mechanism. By arranging the connecting mechanism and the fixing mechanism, steel pipes of different specifications can be limited and fixed, the situation that when a jack mechanism exerts force on the bent steel pipes, the bent steel pipes move, and consequently the straightening effect is poor is avoided, and firstly, the two ends of the bent steel pipes are placed in clamping grooves of the fixing clamping plates on the lower portion; then the rotating angles of the two first connecting rods and the two second connecting rods are adjusted according to the shape and size of the bent steel pipe, then a rotating motor is started, an output shaft of the rotating motor drives a two-way screw to rotate, and then the two fixing clamping plates move in the opposite directions to clamp and fix the steel pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe straightening technical field, concretely relates to a simple tower crane steel pipe straightening device. BACKGROUND

[0002] In the construction engineering construction, the tower crane (tower machine) as important vertical transport equipment, its steel structure part (such as hoisting arm, tower body standard section etc.) steel pipe in the long-term use process, because of overloading, collision or environmental factors (such as temperature change) etc., easy to appear bending deformation. The bent steel pipe not only can influence the overall stability and safety of tower machine, but also can lead to hoisting precision decline, equipment operation resistance increase and other problems, and even causes safety accident seriously. Therefore, timely straightening repair to the bent steel pipe is the key link of guaranteeing the normal operation of tower machine.

[0003] Patent publication No. CN107052108A discloses a kind of electric scaffold steel pipe straightening device, including operating platform, stand, hydraulic pressure device, motor, guide slot etc.Parts.Operating platform is the basic part of the electric scaffold steel pipe straightening device, is equipped with four support columns and is connected with support column using cross brace, to ensure the stable use of the whole device;Stand is auxiliary straightening device, the clamping groove on the stand is used in cooperation with the claw to fix the steel pipe;Guide slot fixes hydraulic pressure device on operating platform.

[0004] In order to solve the lack of a kind of on domestic market, for general engineering is applicable, can be more simply and conveniently carried out the problem of foot, prior art is to adopt the lifting of hydraulic pressure device driven by belt, so that motor torque is converted into pressure, the steel pipe to be straightened is fixed between the claw of hydraulic pressure device and the two clamping grooves on the stand, the pressure is applied to the steel pipe to be straightened by the rising of hydraulic pressure device claw, the steel pipe is gradually straightened along with the rising of claw, but the above-mentioned device will also appear when using, the distance between the claw and the two clamping grooves on the stand is fixed, only the steel pipe of specific specification can be clamped and fixed, thereby leading to the problem of relatively limited use range. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of simple tower crane steel pipe straightening device to solve the problems raised in the above background technology.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A simple tower crane steel pipe straightening device, comprising a base, a jack mechanism is provided on the top surface of the base, a connecting mechanism is provided on the side surface of the jack mechanism, and a fixing mechanism is provided on the top end of the connecting mechanism.

[0008] The jack mechanism comprises a shell fixedly installed on the top surface of the base, a rotating bearing fixedly installed on the top surface of the bottom plate inside the shell, and a screw rod fixedly installed on the inner wall of the rotating bearing.

[0009] Further improvement of the technical scheme of the utility model lies in that the bottom end outer wall of the screw rod is fixedly installed with a first bevel gear, the outer wall of the first bevel gear is meshedly connected with a second bevel gear, the surface of the second bevel gear is fixedly connected with a connecting rod, and the terminal end of the connecting rod is fixedly installed with a rotating disc.

[0010] Further improvement of the technical scheme of the utility model lies in that the surface of the rotating disc is fixedly installed with a handle, the outer wall of the screw rod is threadedly connected with a jacking rod, and the top end of the jacking rod is fixedly installed with a limiting groove.

[0011] Further improvement of the technical scheme of the utility model lies in that the connecting mechanism comprises a fixed connecting groove, the fixed connecting groove is fixedly installed on the two sides of the shell, and the number of the fixed connecting grooves is two.

[0012] Further improvement of the technical scheme of the utility model lies in that the inside of the two fixed connecting grooves is movably connected with a first connecting rod, the end, away from the fixed connecting groove, of the first connecting rod is movably connected with a second connecting rod, and the end, away from the first connecting rod, of the second connecting rod is fixedly installed with a connecting frame.

[0013] Further improvement of the technical scheme of the utility model lies in that the fixing mechanism comprises a rotating motor and a sliding rod, the sliding rod is fixedly installed on the inner wall of the connecting frame, and the outer wall of the sliding rod is slidably connected with a fixed clamping plate.

[0014] Further improvement of the technical scheme of the utility model lies in that the number of the fixed clamping plates is two, the end, away from the sliding rod, of the two fixed clamping plates is threadedly connected with a bidirectional screw rod, the output shaft of the rotating motor is fixedly connected with the bidirectional screw rod, and the bidirectional screw rod is rotatably connected with the inner wall of the connecting frame.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] 1. The utility model provides a simple tower crane steel pipe straightening device, through setting up by casing, rotating bearing, first bevel gear, second bevel gear, screw rod, jib, limit groove, handle, connecting rod, carousel constitute's jack mechanism can exert force to the bent steel pipe, make the bent position of steel pipe be straightened, when need to use, rotate handle, and then make the carousel fixed connection with handle rotate, and then make the connecting rod fixed connection with carousel rotate, and then make the second bevel gear fixed connection with connecting rod rotate, and then make the first bevel gear meshing connection with second bevel gear rotate, and then make the screw rod fixed connection with first bevel gear rotate in the inner wall of rotating bearing, and then make the jib screw connection with the outer wall of screw rod move on the outer wall of screw rod, and then make the limit groove fixed connection with the top end of jib move upwards, and then can make the limit groove exert force to the bent steel pipe in the interior, make the bent part of steel pipe be straightened.

[0017] 2. The utility model provides a simple tower crane steel pipe straightening device, through setting up by fixed connection groove, first connecting rod, second connecting rod, connecting frame constitute's connecting mechanism and by fixed clamping plate, rotating motor, bidirectional screw rod, slide rod constitute's fixed mechanism, both mutually cooperate, can carry out limit fixed to different specifications steel pipe, avoid the jack mechanism when exerting force to the bent steel pipe, make the bent steel pipe appear the removal and lead to the straightening effect is poor, when need to use, first place the both ends of bent steel pipe in the fixed clamping plate clamping groove under, then according to the shape and size of bent steel pipe to adjust the rotation angle of two first connecting rod and second connecting rod, then start rotating motor, and the output shaft of rotating motor drives bidirectional screw rod to rotate, and then make two fixed clamping plates move towards each other and hold and fix the steel pipe, and the end of two fixed clamping plates far from bidirectional screw rod slides on the outer wall of slide rod, can make the process of clamping more stable. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is the sectional structure schematic view of the utility model;

[0020] Figure 3 It is the structure schematic view of the jack mechanism of the utility model;

[0021] Figure 4 It is the structure schematic view of the connecting mechanism of the utility model;

[0022] Figure 5 It is the structure schematic view of the fixed mechanism of the utility model.

[0023] In the figure: 1, base; 2, jack mechanism; 21, shell; 22, rotating bearing; 23, No. 1 helical gear; 24, No. 2 helical gear; 25, screw rod; 26, jacking rod; 27, limiting groove; 28, handle; 29, connecting rod; 210, rotating disc; 3, connecting mechanism; 31, fixed connecting groove; 32, No. 1 connecting rod; 33, No. 2 connecting rod; 34, connecting frame; 4, fixing mechanism; 41, fixing clamp plate; 42, rotating motor; 43, bidirectional screw rod; 44, sliding rod. DETAILED DESCRIPTION

[0024] The utility model will be further explained in detail in connection with the embodiments below:

[0025] Embodiment 1

[0026] As Figures 1-5 shown, the utility model provides a simple and easy tower crane steel pipe straightening device, including base 1, the top surface of base 1 is provided with jack mechanism 2, the side of jack mechanism 2 is provided with connecting mechanism 3, the top of connecting mechanism 3 is provided with fixing mechanism 4, jack mechanism 2 includes shell 21, shell 21 is fixedly installed on the top surface of base 1, the top surface fixed mounting of shell 21 inside bottom plate is provided with rotating bearing 22, the inner wall of rotating bearing 22 is fixedly installed with screw rod 25, the bottom end outer wall of screw rod 25 is fixedly installed with No. 1 helical gear 23, No. 1 helical gear 23 is connected with No. 2 helical gear 24, the surface of No. 2 helical gear 24 is fixedly connected with connecting rod 29, the tail end of connecting rod 29 is fixedly installed with rotating disc 210, the surface of rotating disc 210 is fixedly installed with handle 28, the outer wall of screw rod 25 is connected with jacking rod 26, the top end of jacking rod 26 is fixedly installed with limiting groove 27.

[0027] In the embodiment, by setting up by shell 21, rotating bearing 22, No. 1 helical gear 23, No. 2 helical gear 24, screw rod 25, jacking rod 26, limiting groove 27, handle 28, connecting rod 29, rotating disc 210 connecting mechanism 2 can exert force on the curved steel pipe, make the curved position of steel pipe be straightened, when needing to use, rotating handle 28, then make the rotating disc 210 fixedly connected with handle 28 rotate, then make the connecting rod 29 fixedly connected with rotating disc 210 rotate, then make No. 2 helical gear 24 fixedly connected with connecting rod 29 rotate, then make No. 1 helical gear 23 meshing connection with No. 2 helical gear 24 rotate, then make the screw rod 25 fixedly connected with No. 1 helical gear 23 rotate on the inner wall of rotating bearing 22, then make the jacking rod 26 screw connection with the outer wall of screw rod 25 move on the outer wall of screw rod 25, then make the limiting groove 27 fixedly connected with the top end of jacking rod 26 move upwards, then can make the limiting groove 27 exert force on the internal curved steel pipe, make the steel pipe curved position be straightened.

[0028] Embodiment 2

[0029] As Figures 1-5 The utility model provides a technical scheme based on embodiment 1, preferably, connecting mechanism 3 includes fixed connecting groove 31, fixed connecting groove 31 fixed mounting at the both sides of shell 21, the quantity of fixed connecting groove 31 is two, and one connecting rod 32 is movably connected in two fixed connecting grooves 31, the end away from fixed connecting groove 31 of one connecting rod 32 movably connects with two connecting rods 33, and two connecting rods 33 are fixedly installed with connecting frame 34 on the end away from one connecting rod 32, fixed mechanism 4 includes rotating motor 42 and slide bar 44, and slide bar 44 is fixedly installed on the inner wall of connecting frame 34, and the outer wall of slide bar 44 is slidably connected with fixed clamping plate 41, the quantity of fixed clamping plate 41 is two, and two fixed clamping plates 41 are threadedly connected with bidirectional screw rod 43 on the end away from slide bar 44, and the output shaft of rotating motor 42 is fixedly connected with bidirectional screw rod 43, and bidirectional screw rod 43 is rotatably connected with the inner wall of connecting frame 34.

[0030] In the embodiment, by setting connecting mechanism 3 composed of fixed connecting groove 31, one connecting rod 32, two connecting rods 33 and connecting frame 34 and fixed mechanism 4 composed of fixed clamping plate 41, rotating motor 42, bidirectional screw rod 43 and slide bar 44, the two can be matched with each other to limit and fix different specifications of steel pipes, avoid the jack mechanism 2 from moving the curved steel pipe to cause poor straightening effect when applying force to the curved steel pipe, when needing to use, first place the two ends of the curved steel pipe in the lower fixed clamping plate 41 slot, then adjust the rotation angle of two one connecting rods 32 and two connecting rods 33 according to the shape and size of the curved steel pipe, then start rotating motor 42, the output shaft of rotating motor 42 drives bidirectional screw rod 43 to rotate, and then makes two fixed clamping plates 41 move towards each other to clamp and fix the steel pipe, and the end away from bidirectional screw rod 43 of two fixed clamping plates 41 slides on the outer wall of slide bar 44, which can make the clamping process more stable.

[0031] The working principle of the simple tower crane steel pipe straightening device will be described below.

[0032] As Figures 1-5As shown, in use, first, the two ends of the bent steel pipe are placed in the lower fixed clamping plate 41 clamping groove, then the rotation angle of the two first connecting rods 32 and the second connecting rods 33 is adjusted according to the shape and size of the bent steel pipe, then the rotating motor 42 is started, the output shaft of the rotating motor 42 drives the bidirectional screw rod 43 to rotate, and then the two fixed clamping plates 41 move towards each other to clamp and fix the steel pipe, and the ends of the two fixed clamping plates 41 away from the bidirectional screw rod 43 slide on the outer wall of the sliding rod 44, then the handle 28 is rotated, and then the rotating disc 210 fixedly connected with the handle 28 is rotated, and then the connecting rod 29 fixedly connected with the rotating disc 210 is rotated, and then the second bevel gear 24 fixedly connected with the connecting rod 29 is rotated, and then the first bevel gear 23 meshing connected with the second bevel gear 24 is rotated, and then the screw rod 25 fixedly connected with the first bevel gear 23 rotates on the inner wall of the rotating bearing 22, and then the top rod 26 threadedly connected with the outer wall of the screw rod 25 moves on the outer wall of the screw rod 25, and then the limiting groove 27 fixedly connected with the top end of the top rod 26 moves upward, and then the limiting groove 27 can exert force on the internally bent steel pipe to straighten the bent part of the steel pipe.

[0033] 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, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A simple tower crane steel pipe straightening device comprising a base (1), characterized in that: The top surface of the base (1) is provided with a jack mechanism (2), the side surface of the jack mechanism (2) is provided with a connecting mechanism (3), and the top end of the connecting mechanism (3) is provided with a fixing mechanism (4); The jack mechanism (2) comprises a shell (21) fixedly installed on the top surface of the base (1), a rotating bearing (22) fixedly installed on the top surface of the bottom plate in the shell (21), and a screw rod (25) fixedly installed on the inner wall of the rotating bearing (22).

2. A simple tower crane steel pipe straightening device according to claim 1, characterized in that: The bottom end of the screw rod (25) is fixedly installed with a first helical gear (23), the outer wall of the first helical gear (23) is engaged with a second helical gear (24), the surface of the second helical gear (24) is fixedly connected with a connecting rod (29), and the end of the connecting rod (29) is fixedly installed with a rotating disc (210).

3. A simple tower crane steel pipe straightening device according to claim 2, characterized in that: The surface of the rotating disc (210) is fixedly installed with a handle (28), the outer wall of the screw rod (25) is threadedly connected with a top rod (26), and the top end of the top rod (26) is fixedly installed with a limiting groove (27).

4. A simple tower crane steel pipe straightening device according to claim 3, characterized in that: The connecting mechanism (3) comprises a fixed connecting groove (31) fixedly installed on both sides of the shell (21), and the number of the fixed connecting grooves (31) is two.

5. A simple tower crane steel pipe straightening device according to claim 4, characterized in that: The inside of the two fixed connecting grooves (31) is movably connected with a first connecting rod (32), the end of the first connecting rod (32) away from the fixed connecting groove (31) is movably connected with a second connecting rod (33), and the end of the second connecting rod (33) away from the first connecting rod (32) is fixedly installed with a connecting frame (34).

6. A simple tower crane steel pipe straightening device according to claim 5, characterized in that: The fixing mechanism (4) comprises a rotating motor (42) and a sliding rod (44), the sliding rod (44) is fixedly installed on the inner wall of the connecting frame (34), and the outer wall of the sliding rod (44) is slidably connected with a fixed clamping plate (41).

7. A simple tower crane steel pipe straightening device according to claim 6, characterized in that: The number of the fixed clamping plates (41) is two, the end of the two fixed clamping plates (41) away from the sliding rod (44) is threadedly connected with a bidirectional screw rod (43), the output shaft of the rotating motor (42) is fixedly connected with the bidirectional screw rod (43), and the bidirectional screw rod (43) is rotatably connected with the inner wall of the connecting frame (34).

Images