Lifting device of withdrawal and straightening machine and withdrawal and straightening machine

Abstract

The utility model relates to the technical field of withdrawal and straightening machines, in particular to a withdrawal and straightening machine hoisting device and a withdrawal and straightening machine, which can position a screw block, avoid the movement of a hoisting ring caused by the movement of the screw block and improve the hoisting stability. Comprising a hoisting device body, two containing cavities are symmetrically formed in a fixing base, two sets of guide grooves are symmetrically formed in the top end of the fixing base, the two sets of containing cavities communicate with the two sets of containing cavities correspondingly, motors are fixedly installed on the inner side walls of the two sets of containing cavities correspondingly, transmission lead screws are rotationally installed in the two sets of containing cavities correspondingly, and hoisting rings are arranged at the top ends of the two sets of T-shaped screw blocks correspondingly; the two lifting rings are connected with the output end of the lifting device body through chains, the two rack positioning plates are symmetrically and fixedly connected to the top end of the fixing base, the two hydraulic rods are fixedly installed on the two T-shaped screw blocks in a front-back symmetry mode, and the positioning tooth blocks are fixedly arranged at the output ends of the four hydraulic rods. And the four groups of positioning tooth blocks are respectively meshed with the inner sides of the two groups of rack positioning plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of straightening and leveling machine, in particular to a straightening and leveling machine hoisting device and straightening and leveling machine. BACKGROUND

[0002] Straightening and leveling machine is one of the important core equipment of continuous casting machine, its function is to form a certain shell after the crystallizer continuous casting blank and straighten, another function is to transport the dummy bar to the crystallizer, straightening and leveling machine belongs to continuous operation equipment, it must ensure normal operation in high temperature and other harsh environments, and must be regularly maintained and replaced.

[0003] Because the weight distribution of straightening and leveling machine is uneven, therefore the traditional straightening and leveling machine hoisting device needs to slightly hoist the straightening and leveling machine, and then adjusts the angle of the straightening and leveling machine little by little through the chain hoist, so that it can keep horizontal state, however, because the weight of the straightening and leveling machine is large, it needs to pull the chain hoist by many people, not only the labor cost is high, but also it is time-consuming.

[0004] Through the search, the Chinese utility model patent with the patent publication number CN221051395U discloses a straightening and leveling machine hoisting device and straightening and leveling machine, in the scheme, the motor working adjusts the lifting point position of the straightening and leveling machine, the hoisting device body slightly hoists the straightening and leveling machine, can adjust the lifting ring position according to the inclination angle of the straightening and leveling machine, until the straightening and leveling machine is kept horizontal state after being hoisted, it is no longer necessary to operate by many people, and it saves time and effort, but there still exists certain disadvantages, when hoisting, although the position of the screw block can be adjusted to realize the adjustment of the lifting ring position, but the screw block cannot be positioned, so that the screw block is easy to move when hoisting, and then the lifting ring position is moved, which affects the stability of hoisting. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a straightening and leveling machine hoisting device and straightening and leveling machine which can position the screw block, avoid the movement of the screw block and cause the movement of the lifting ring position, and improve the stability of hoisting.

[0006] TECHNICAL SCHEME

[0007] To achieve the above objectives, this utility model provides the following technical solution: a hoisting device for a tension leveling machine, comprising a hoisting device body, a hoisting adjustment mechanism, and a limiting mechanism. The hoisting adjustment mechanism includes a fixed base, with two symmetrically arranged receiving cavities inside the fixed base. Two sets of guide grooves are symmetrically arranged at the top of the fixed base. The two sets of receiving cavities are respectively connected to each other. Motors are fixedly installed on the inner sidewalls of both sets of receiving cavities. Transmission screws are rotatably installed in both sets of receiving cavities, and one end of each transmission screw is fixedly connected to the output end of the two sets of motors. The fixed base has a... Two sets of T-shaped screw blocks are slidably installed through the cooperation of the receiving cavity and the guide groove. The two sets of T-shaped screw blocks are respectively screwed onto two sets of transmission screws. Each set of T-shaped screw blocks has a lifting ring at its top. The two sets of lifting rings are connected to the output end of the lifting device body through a chain. The limiting mechanism includes two sets of rack positioning plates. The two sets of rack positioning plates are symmetrically fixedly connected to the top of the fixed seat. Each set of T-shaped screw blocks has two sets of hydraulic rods fixedly installed symmetrically front and back. The output ends of the four sets of hydraulic rods are all fixedly equipped with positioning teeth. The four sets of positioning teeth mesh with the inner side of the two sets of rack positioning plates respectively.

[0008] Preferably, the top of each of the two sets of T-shaped screw blocks is fixedly provided with a threaded mating sleeve, and the bottom of each of the two sets of lifting rings is fixedly provided with a mating stud, and the two sets of mating studs are respectively screwed onto the two sets of threaded mating sleeves.

[0009] Preferably, two sets of reinforcing plates are fixedly connected between the outer sides of the two sets of rack positioning plates and the top of the fixing seat.

[0010] This utility model also provides the following technical solution: a tension leveling machine, including the tension leveling machine hoisting device as described in any one of claims 1 to 3, and a tension leveling machine body. The fixed base is provided with four sets of bolt holes, each of the four sets of bolt holes is provided with a countersunk hole, and each of the four sets of bolt holes is provided with a connecting bolt. The top of the tension leveling machine body is provided with four sets of threaded holes that cooperate with the connecting bolts. The fixed base is detachably installed on the top of the tension leveling machine body through the cooperation of the four sets of connecting bolts and threaded holes.

[0011] Preferably, the connecting bolts are hexagon socket head cap screws.

[0012] The utility model discloses a beneficial effect compared with prior art is: when using, the hydraulic rod stretches out first and makes the positioning tooth block and rack positioning board inside mesh, when adjusting the position of the lifting ring, first start the hydraulic rod, make the hydraulic rod drive the positioning tooth block to move to the side close to T type screw block, make the positioning tooth block and rack positioning board disengage, then start the motor, make the motor drive T type screw block along containing chamber and guide groove left and right slide through transmission screw rod, and then make T type screw block drive lifting ring left and right movement, realize the adjustment of the position of the lifting ring, when hoisting horizontally, again through the hydraulic rod and promote the positioning tooth block to the side of rack positioning board, make the positioning tooth block reengagement with rack positioning board inside, make T type screw block position fixed through the meshing of rack positioning board and positioning tooth block, realize the positioning of T type screw block, ensure that the position of the lifting ring does not produce movement when hoisting horizontally, can position screw block, avoid that screw block produces movement and causes the position of the lifting ring to move, improve the stability of hoisting. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the axonometric structure schematic diagram of the utility model;

[0014] Figure 2 It is the axonometric section structure schematic diagram of the utility model;

[0015] Figure 3 It is the partial axonometric structure schematic diagram of the utility model;

[0016] Figure 4 It is the axonometric explosion structure schematic diagram of the utility model in the butt joint installation of lifting ring and T type screw block;

[0017] Mark in the drawing: 1, hoisting device body;2, fixed seat;3, containing chamber;4, guide groove;5, motor;6, transmission screw rod;7, T type screw block;8, lifting ring;9, rack positioning board;10, hydraulic rod;11, positioning tooth block;12, connecting bolt;13, straightening and leveling machine body;14, threaded butt joint sleeve;15, butt joint stud;16, counterbore;17, reinforcing plate. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0019] EXAMPLE

[0020] Please refer to Figures 1-4The utility model discloses a kind of lifting devices of straightening and leveling machine, including lifting device body 1, two accommodating cavities 3 are symmetrically equipped in fixed seat 2 inside, two groups of guide grooves 4 are symmetrically equipped in fixed seat 2 top, two groups of accommodating cavities 3 are communicated with two groups of accommodating cavities 3 respectively, motor 5 is fixedly installed on the inner side wall of two groups of accommodating cavities 3, two groups of transmission screw rods 6 are rotatably installed in two groups of accommodating cavities 3, and two groups of transmission screw rods 6 one end are fixedly connected with the output end of two groups of motor 5 respectively, two groups of T type screw blocks 7 are slidably installed on fixed seat 2 by the cooperation of accommodating cavity 3 and guide groove 4, two groups of T type screw blocks 7 are respectively screwed and set on two groups of transmission screw rods 6, two groups of T type screw blocks 7 top are equipped with lifting ring 8, two groups of lifting ring 8 are connected by padlock with the output end of lifting device body 1, two groups of rack positioning plates 9 are symmetrically fixedly connected in fixed seat 2 top, two groups of T type screw blocks 7 are symmetrically fixedly installed with two groups of hydraulic rods 10 before and after, the output end of four groups of hydraulic rods 10 is fixedly equipped with positioning tooth block 11, and the inner side of two groups of rack positioning plates 9 is engaged with four groups of positioning tooth block 11 respectively;When using, initially, positioning tooth block 11 is engaged with the inner side of rack positioning plate 9 by the extension of hydraulic rod 10, when the position of lifting ring 8 is adjusted, first start hydraulic rod 10, make hydraulic rod 10 drive positioning tooth block 11 move to the side close to T type screw block 7, make positioning tooth block 11 and rack positioning plate 9 disengage, then start motor 5, make motor 5 drive T type screw block 7 along accommodating cavity 3 and guide groove 4 left and right slide by transmission screw rod 6, and then make T type screw block 7 drive lifting ring 8 move left and right, realize the adjustment of the position of lifting ring 8, when hoisting horizontally, positioning tooth block 11 is moved to the side of rack positioning plate 9 by hydraulic rod 10 again, make positioning tooth block 11 and the inner side of rack positioning plate 9 reengage, make T type screw block 7 position fixed by the engagement of rack positioning plate 9 and positioning tooth block 11, realize the positioning of T type screw block 7, ensure that the position of lifting ring 8 does not move when hoisting horizontally, so as to be able to position screw block, avoid that screw block moves and causes lifting ring position to move, improve the stability of hoisting.

[0021] The top of two groups of T type screw blocks 7 is fixedly equipped with threaded butt joint sleeve 14, the bottom of two groups of lifting rings 8 is fixedly equipped with butt joint stud 15, and two groups of butt joint studs 15 are screwed on two groups of threaded butt joint sleeves 14 respectively;By screwing butt joint stud 15 and threaded butt joint sleeve 14, in the mode of threaded connection, it can be convenient to disassemble and assemble lifting ring 8, and it is convenient to replace the lifting ring 8 of ring.

[0022] The outer side of two groups of rack positioning plates 9 and the top of fixed seat 2 are fixedly connected with two groups of reinforcing plates 17;By setting reinforcing plate 17, the connection of rack positioning plate 9 and fixed seat 2 can be more firm and stable.

[0023] Please refer to Figures 1-4The utility model discloses a kind of pull straightening machines, including the pull straightening machine hoisting device of any one of claims 1 to 3, it is characterized by further include pull straightening machine body 13, four groups of bolt holes are equipped on fixed seat 2, four groups of bolt holes are all equipped with counterbore 16, four groups of bolt holes are all inserted with connecting bolt 12, pull straightening machine body 13 top is equipped with four groups of the screw hole matched with connecting bolt 12, fixed seat 2 is detachably installed in pull straightening machine body 13 top by the cooperation of four groups of connecting bolt 12 and screw hole;By the mode of bolt connection, fixed seat 2 and pull straightening machine body 13 are installed together, convenient disassembly and assembly, and by the counterbore 16 of setting, bolt can be sunk into fixed seat 2, installation is more beautiful.

[0024] The connecting bolt 12 is an internal hexagonal bolt; by using the internal hexagonal bolt, compared with the external hexagonal bolt, it can be easily tightened and disassembled without sliding angle.

[0025] The utility model discloses a kind of pull straightening machine hoisting device and pull straightening machine, its working principle, when using, initially hydraulic rod 10 extends and makes positioning tooth block 11 with rack positioning plate 9 inside mesh, when the position of lifting ring 8 is adjusted, first start hydraulic rod 10, make hydraulic rod 10 drive positioning tooth block 11 move to the side close to T type screw block 7, make positioning tooth block 11 with rack positioning plate 9 disengage, then start motor 5, make motor 5 drive T type screw block 7 along with containing cavity 3 and guide groove 4 left and right slide by transmission screw rod 6, further make T type screw block 7 drive lifting ring 8 left and right move, realize the adjustment of the position of lifting ring 8, when hoisting level, again by hydraulic rod 10 push positioning tooth block 11 move to the side of rack positioning plate 9, make positioning tooth block 11 reengage with rack positioning plate 9 inside, make T type screw block 7 position fixed by the meshing of rack positioning plate 9 and positioning tooth block 11, realize the positioning of T type screw block 7, ensure that lifting ring 8 position does not move when hoisting level.

[0026] The utility model discloses a kind of pull straightening machine hoisting device and pull straightening machine, its installation mode, connection mode or setting mode are all common mechanical mode, as long as it can achieve its beneficial effect can be implemented;The motor of the utility model discloses a kind of pull straightening machine hoisting device and pull straightening machine is purchased on market, and within this industry technical personnel only need to install and operate according to its accompanying instruction book, in addition, the hoisting device body, pull straightening machine body and fixed shaft in the present application are quoted from the pull straightening machine hoisting device and pull straightening machine of patent publication No.

[0027] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A taut-lay machine hoisting device comprising a hoisting device body (1), characterized in that, The lifting adjusting mechanism and the limiting mechanism are further included; The lifting adjusting mechanism comprises a fixed seat (2), two accommodating cavities (3) are symmetrically arranged inside the fixed seat (2), two groups of guide grooves (4) are symmetrically arranged at the top end of the fixed seat (2), two groups of accommodating cavities (3) are in communication with each other, a motor (5) is fixedly installed on the inner side wall of each of the two groups of accommodating cavities (3), a transmission screw rod (6) is rotatably installed in each of the two groups of accommodating cavities (3), one end of each of the two groups of transmission screw rods (6) is fixedly connected with the output end of the corresponding motor (5), two groups of T-shaped screw blocks (7) are slidably installed on the fixed seat (2) through the cooperation of the accommodating cavities (3) and the guide grooves (4), the two groups of T-shaped screw blocks (7) are respectively screwed on the two groups of transmission screw rods (6), a lifting ring (8) is arranged at the top end of each of the two groups of T-shaped screw blocks (7), and the two groups of lifting rings (8) are connected with the output end of the hoisting device body (1) through a chain. The limiting mechanism comprises two groups of rack positioning plates (9), the two groups of rack positioning plates (9) are fixedly connected to the top end of the fixed seat (2), two groups of hydraulic rods (10) are fixedly installed on each of the two groups of T-shaped screw blocks (7) in a front-rear symmetrical manner, a positioning tooth block (11) is fixedly arranged at the output end of each of the four groups of hydraulic rods (10), and the four groups of positioning tooth blocks (11) are respectively engaged with the inner side of the two groups of rack positioning plates (9).

2. A lifting device for a straightening and leveling machine as defined in claim 1, characterized in that Threaded butt joints (14) are fixedly arranged at the top end of each of the two groups of T-shaped screw blocks (7), butt joints (15) are fixedly arranged at the bottom end of each of the two groups of lifting rings (8), and the two groups of butt joints (15) are respectively screwed on the two groups of threaded butt joints (14).

3. A lifting device for a straightening and leveling machine as defined in claim 2, characterized in that Two groups of reinforcing plates (17) are fixedly connected between the outer side of each of the two groups of rack positioning plates (9) and the top end of the fixed seat (2).

4. A tension leveller comprising a tension leveller hoisting device according to any one of claims 1 to 3, characterised in that, The hoisting device further comprises a straightening machine body (13), four groups of bolt holes are arranged on the fixed seat (2), a counterbore (16) is arranged on each of the four groups of bolt holes, a connecting bolt (12) is inserted into each of the four groups of bolt holes, four groups of threaded holes matched with the connecting bolts (12) are arranged at the top end of the straightening machine body (13), and the fixed seat (2) is detachably installed on the top of the straightening machine body (13) through the cooperation of the four groups of connecting bolts (12) and the threaded holes.

5. A puller-straightener as claimed in claim 4, characterized in that The connecting bolt (12) is an internal hexagonal bolt.

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