CN112376008A

CN112376008A - Hot-rolled strip steel continuous hot galvanizing equipment

Info

Publication number: CN112376008A
Application number: CN202011195734.1A
Authority: CN
Inventors: 姚天成; 汪茹悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-19

Abstract

The invention relates to the field of hot galvanizing, in particular to a hot-rolled strip steel continuous hot galvanizing device, which comprises a galvanizing pool with an opening at the upper end, wherein the upper surface of the galvanizing pool is fixedly connected with a lifting support mechanism, and the lifting support mechanism is provided with four lifting mechanisms, and the hot-rolled strip steel continuous hot galvanizing device has the beneficial effects that: when using, at first pass hot rolling belted steel between by four conveying rollers, then restart two double-end driving motor, two double-end driving motor drive two threaded sleeves through first bevel gear and second bevel gear's meshing and rotate, simultaneously because of two threaded sleeves and the threaded rod of intermediate position are opposite sets up in opposite directions with the screw thread on two other threaded sleeves and the threaded rod, make two threaded rods in the middle of drive two connecting blocks and conveying roller and descend when threaded sleeve rotates, and two connecting blocks and the conveying roller in the outside rise, make placing of hot rolling belted steel comparatively simple convenient.

Description

Hot-rolled strip steel continuous hot galvanizing equipment

Technical Field

The invention relates to the field of hot galvanizing, in particular to hot-rolled strip steel continuous hot galvanizing equipment.

Background

The hot rolled strip steel is generally coiled strip steel with the thickness of 1-20 mm and the width of 600-2000 mm. The hot rolled steel strip may be used as it is as a hot rolled steel strip or may be supplied as a cold rolled steel strip as a material. It is widely used in the industrial departments of automobile, motor, chemical industry, shipbuilding, etc., and also used as the blank for producing cold rolled, welded pipe and cold bent section steel. The hot strip rolling mill is the main equipment for producing hot rolled strip steel, and has the advantages of high production efficiency, high yield, good quality and the like.

However, in the existing equipment for conveying hot rolled strip steel, a part of the equipment is usually positioned in a galvanizing bath, so that when the hot rolled strip steel is wound on the conveying equipment, the placement of the hot rolled strip steel is difficult, and the hot rolled strip steel is inconvenient for workers to use, and therefore, a continuous hot galvanizing device for the hot rolled strip steel is needed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a hot-rolled strip steel continuous hot galvanizing device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a hot rolling belted steel continuous hot dip galvanizing equipment, includes that one is the galvanizing bath of upper end opening setting, the last fixed surface of galvanizing bath is connected with a lift supporting mechanism, be provided with four elevating system on the lift supporting mechanism, four elevating system's the equal fixedly connected with conveying mechanism of lower extreme, four conveying mechanism is last equal fixedly connected with a actuating mechanism, four conveying mechanism's the inside corresponds and all is provided with a drive mechanism on actuating mechanism's the position.

Specifically, the lift supporting mechanism includes four spinal branch vaulting poles, four the bracing piece is fixed connection respectively in the four corners edge of galvanizing bath upper surface, four the common fixedly connected with backup pad in top of bracing piece, the upper surface of backup pad is two double-end driving motor of symmetry form fixedly connected with, two first bevel gear of two output of double-end driving motor all through shaft coupling fixedly connected with.

Specifically, the four lifting mechanisms respectively comprise a threaded sleeve vertically arranged, the four threaded sleeves are rotatably connected to the supporting plate through bearings, the upper ends of the four threaded sleeves respectively penetrate through the upper surface of the supporting plate and extend upwards, a second bevel gear is fixedly sleeved on the wall of the top end of each of the four threaded sleeves outside the supporting plate, the four second bevel gears are respectively meshed with corresponding first bevel gears, a threaded rod is respectively and threadedly connected in each of the four threaded sleeves, the upper ends of the four threaded rods respectively penetrate through the upper end openings of the corresponding threaded sleeves and extend upwards, the upper ends of the two threaded rods are respectively and fixedly connected with a limiting block, the lower ends of the four threaded rods respectively penetrate through the lower end openings of the corresponding threaded sleeves and extend downwards, and the lower ends of the four threaded rods outside the supporting plate are respectively and fixedly connected with a connecting block, four relative edges of connecting block upper surface all are two gag lever posts of vertical form fixedly connected with, correspond a plurality of all run through in the backup pad of gag lever post position and seted up a spacing hole, a plurality of the upper end of gag lever post is all run through and is corresponded spacing hole and upwards extend.

Specifically, four conveying mechanism all includes a set of installation piece, every group the installation piece all includes two installation pieces that are the paralleling and describe setting, two in every group the equal fixed connection of installation piece is in the relative edge department of a connecting block lower surface, two in every group equal fixedly connected with a first pivot on the lateral wall of one side in opposite directions of installation piece, every two are relative equal conveying roller of equal common fixedly connected with between the first pivot is located four two second pivots of the equal fixedly connected with of connecting block lower surface of conveying roller one side, a plurality of the delivery wheel of the equal fixedly connected with of lower extreme of second pivot.

Specifically, four driving mechanisms comprise a fixed block, four fixed blocks are respectively and fixedly connected to the top end rod wall of four limiting rods above the supporting plate, the upper surfaces of the four fixed blocks are respectively and fixedly connected with a fixed frame, a driving motor is respectively and fixedly installed in the four fixed frames, the output ends of the four driving motors are respectively and fixedly connected with a driving rod through a coupler, a through hole is respectively formed in the limiting rod corresponding to the position of the four driving rods in a penetrating manner, the lower end orifices of the four through holes sequentially penetrate through the limiting rods, the connecting blocks and the mounting block and extend into the mounting block, a rotating cavity is respectively formed in the mounting block corresponding to the position of the lower end orifices of the four through holes, one end of four first rotating shafts close to one side of the four rotating cavities respectively extends into the four rotating cavities, and a third bevel gear is fixedly sleeved on the first rotating shafts in the four rotating cavities, the lower ends of the four driving rods penetrate through the through holes and extend into the rotating cavity, fourth bevel gears are fixedly sleeved on the driving rods, and the four third bevel gears are meshed with corresponding fourth bevel gears respectively.

Specifically, drive mechanism all includes a transmission chamber, four the inside at four connecting blocks is seted up respectively to the transmission chamber, four the transmission chamber is linked together with the through-hole that corresponds respectively, is located four all the fixed first drive wheel that has cup jointed on the actuating lever pole wall in the transmission chamber, be close to four a plurality of second pivot upper ends in transmission chamber extend to the transmission intracavity that corresponds respectively, are located four the equal fixedly connected with second drive wheel in a plurality of second pivot upper ends in the transmission intracavity, four first drive wheel is the common transmission connection between a plurality of second drive wheel respectively has four drive belts.

Specifically, the lower end level of the two conveying rollers at the middle position is higher than the upper end level of the two outer conveying rollers.

Specifically, the threads on the two threaded sleeves and the threaded rod located in the middle are arranged in opposite directions with respect to the threads on the two outer threaded sleeves and the threaded rod.

The invention has the beneficial effects that:

(1) the invention relates to a hot-rolled strip steel continuous hot galvanizing device, which is provided with a support rod, a support plate, a double-headed drive motor, a first bevel gear, a threaded sleeve, a second bevel gear, a threaded rod, a limiting block, a connecting block, a limiting rod, a limiting hole, an installation block, a first rotating shaft, a conveying roller, a second rotating shaft and a conveying wheel, when in use, hot-rolled strip steel firstly passes through four conveying rollers, then two double-headed drive motors are started, the two double-headed drive motors drive two threaded sleeves to rotate through the meshing of the first bevel gear and the second bevel gear, and simultaneously, two threaded sleeves and threaded rods in the middle position are oppositely arranged with threads on other two threaded sleeves and threaded rods, so that the two connecting blocks and the conveying roller are driven to descend when the threaded sleeves rotate, and the two connecting blocks and the conveying roller on the outer side ascend, so that the placement of the hot-rolled strip steel is simple and convenient.

(2) When the hot rolled strip steel continuous hot galvanizing equipment is used, the driving motor drives the driving rod to rotate, the driving rod drives the second rotating shaft and the conveying roller to rotate through the meshing of the third bevel gear and the fourth bevel gear, the hot rolled strip steel is conveyed through the conveying roller, meanwhile, the driving rod drives the conveying belt to transmit through the first driving wheel, the corresponding two second driving wheels are driven by the conveying belt to rotate, and the second driving wheels are used for conveying the edges of the hot rolled strip steel, so that the continuous galvanizing operation of the hot rolled strip steel is facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a hot-rolled strip steel continuous hot galvanizing apparatus provided by the present invention;

FIG. 2 is a front cross-sectional view of a hot rolled strip steel continuous hot galvanizing apparatus provided by the present invention;

FIG. 3 is a side sectional view of a hot rolled strip steel continuous hot galvanizing apparatus provided in the present invention;

FIG. 4 is a side sectional view of a conveying mechanism in a hot-rolled strip steel continuous hot galvanizing device provided by the invention;

FIG. 5 is a bottom cross-sectional view of a connecting block in a hot-rolled strip steel continuous hot galvanizing apparatus according to the present invention; (ii) a

FIG. 6 is a top cross-sectional view of a support plate in a hot-rolled strip steel continuous hot galvanizing apparatus according to the present invention;

FIG. 7 is an enlarged schematic structural view of part A in FIG. 4 of a hot-rolled strip steel continuous hot galvanizing apparatus provided by the present invention.

In the figure: 1. a galvanizing pool; 2. a lifting support mechanism; 21. a support bar; 22. a support plate; 23. a double-headed drive motor; 24. a first bevel gear; 3. a lifting mechanism; 31. a threaded sleeve; 32. a second bevel gear; 33. a threaded rod; 34. a limiting block; 35. connecting blocks; 36. a limiting rod; 37. a limiting hole; 4. a conveying mechanism; 41. mounting blocks; 42. a first rotating shaft; 43. a conveying roller; 44. a second rotating shaft; 45. a delivery wheel; 5. a drive mechanism; 51. a fixed block; 52. a fixed mount; 53. a drive motor; 54. a drive rod; 55. a through hole; 56. a rotation chamber; 57. a third bevel gear; 58. a fourth bevel gear; 6. a transmission mechanism; 61. a transmission cavity; 62. a first drive pulley; 63. a second transmission wheel; 64. a transmission belt.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the continuous hot galvanizing equipment for hot rolled strip steel according to the present invention includes a galvanizing bath 1 with an opening at an upper end, a lifting support mechanism 2 is fixedly connected to an upper surface of the galvanizing bath 1, four lifting mechanisms 3 are arranged on the lifting support mechanism 2, a conveying mechanism 4 is fixedly connected to lower ends of the four lifting mechanisms 3, a driving mechanism 5 is fixedly connected to each of the four conveying mechanisms 4, a transmission mechanism 6 is arranged at a position corresponding to the driving mechanism 5 inside each of the four conveying mechanisms 4, the lifting support mechanism 2 drives the four lifting mechanisms 3 to operate, the two lifting mechanisms 3 at a middle position drive the conveying mechanisms 4 to press the hot rolled strip steel down into the galvanizing bath 1, and the two lifting mechanisms 3 at an outer side drive the conveying mechanisms 4 to drive the hot rolled strip steel to ascend so as to tighten the hot rolled strip steel, at this time, the four driving mechanisms 5 can be started, the four driving mechanisms 5 drive the conveying mechanism 4 to convey the surface of the hot rolled strip steel, and meanwhile, the driving mechanism 5 drives the conveying mechanism 4 to convey the edge of the hot rolled strip steel through the transmission mechanism 6, so that the hot rolled strip steel can be placed conveniently, and the continuous processing of the hot rolled strip steel is facilitated.

Specifically, the lifting support mechanism 2 comprises four support rods 21, the four support rods 21 are respectively fixedly connected to four corner edges of the upper surface of the galvanizing pool 1, a support plate 22 is fixedly connected to the top ends of the four support rods 21, two double-headed drive motors 23 are fixedly connected to the upper surface of the support plate 22 in a symmetrical manner, two output ends of the two double-headed drive motors 23 are respectively fixedly connected to a first bevel gear 24 through a coupler, the four lifting mechanisms 3 respectively comprise a threaded sleeve 31 vertically arranged, the four threaded sleeves 31 are respectively rotatably connected to the support plate 22 through bearings, the upper ends of the four threaded sleeves 31 respectively penetrate through the upper surface of the support plate 22 and extend upwards, a second bevel gear 32 is fixedly connected to the top rod wall of the four threaded sleeves 31 outside the support plate 22, the four second bevel gears 32 are respectively engaged with the corresponding first bevel gears 24, a threaded rod 33 is connected with the four threaded sleeves 31 in a threaded manner, the upper ends of the four threaded rods 33 penetrate through the upper end openings of the corresponding threaded sleeves 31 and extend upwards, the upper ends of the two threaded rods 33 are fixedly connected with a limiting block 34, the lower ends of the four threaded rods 33 penetrate through the lower end openings of the corresponding threaded sleeves 31 and extend downwards, the lower ends of the four threaded rods 33, which are positioned outside the supporting plate 22, are fixedly connected with a connecting block 35, the opposite edges of the upper surfaces of the four connecting blocks 35 are fixedly connected with two limiting rods 36 in a vertical manner, a limiting hole 37 is formed in the supporting plate 22, which corresponds to the positions of the limiting rods 36, the upper ends of the limiting rods 36 penetrate through the corresponding limiting holes 37 and extend upwards, the lower end horizontal height of the two conveying rollers 43, which are positioned in the middle position, is higher than the upper end horizontal, the two screw sleeves 31 and the screw rods 33 which are positioned in the middle are arranged in opposite directions relative to the screw threads on the two outer screw sleeves 31 and the screw rods 33, the lower end level of the two conveying rollers 43 positioned in the middle is higher than the upper end level of the two outer conveying rollers 43, so that the hot-rolled strip can straightly pass through the upper surfaces of the two outer conveying rollers 43 and the lower end surfaces of the two middle conveying rollers 43, the placement of the hot-rolled strip is simpler and more convenient, then the two double-headed driving motors 23 can be started, the two double-headed driving motors 23 drive the two screw sleeves 31 to rotate through the meshing of the first bevel gear 24 and the second bevel gear 32, meanwhile, the two screw sleeves 31 and the screw rods 33 positioned in the middle are oppositely arranged relative to the screw threads on the other two screw sleeves 31 and the screw rods 33, and simultaneously, the limiting rods 36 slide in the, and then can carry on spacing to the gag lever post 36, and the connecting block 35 can only carry on the parallel lift under two gag lever posts 36 spacing, when making four screw sleeve 31 rotate, two threaded rods 33 of intermediate position can drive the connecting block 35 and descend to push down the middle-end of hot-rolled strip to the zinc liquid in the galvanizing bath 1 through the conveying roller 43, and two threaded rods 33 of outside can drive the connecting block 35 and rise, and drive the both ends of hot-rolled strip and rise through the conveying roller 43, make hot-rolled strip by tight.

Specifically, each of the four conveying mechanisms 4 includes a set of mounting blocks 41, each set of mounting blocks 41 includes two parallel mounting blocks 41, each set of two mounting blocks 41 is fixedly connected to opposite edges of the lower surface of one connecting block 35, each set of two mounting blocks 41 is fixedly connected to one side wall of the opposite side of each set of two mounting blocks 42, each two opposite first rotating shafts 42 are fixedly connected to one conveying roller 43, the lower surfaces of the connecting blocks 35 located at one sides of the four conveying rollers 43 are fixedly connected to two second rotating shafts 44, the lower ends of the second rotating shafts 44 are fixedly connected to one conveying wheel 45, each of the four driving mechanisms 5 includes one fixing block 51, the four fixing blocks 51 are respectively fixedly connected to the top rod wall of the four limiting rods 36 located above the supporting plate 22, the upper surfaces of the four fixing blocks 51 are fixedly connected to one fixing frame 52, a driving motor 53 is fixedly arranged in each of the four fixing frames 52, the output ends of the four driving motors 53 are fixedly connected with a driving rod 54 through a coupling, a through hole 55 is formed in each of the limiting rods 36 corresponding to the positions of the four driving rods 54, the lower end orifices of the four through holes 55 sequentially penetrate through the limiting rods 36, the connecting blocks 35 and the mounting blocks 41 and extend into the mounting blocks 41, a rotating cavity 56 is formed in each of the mounting blocks 41 corresponding to the positions of the lower end orifices of the four through holes 55, one ends of the four first rotating shafts 42 close to one sides of the four rotating cavities 56 respectively extend into the four rotating cavities 56, a third bevel gear 57 is fixedly sleeved on each of the first rotating shafts 42 in the four rotating cavities 56, the lower ends of the four driving rods 54 penetrate through the through holes 55 and extend into the rotating cavities 56 and are respectively fixedly sleeved with a fourth bevel gear 58, the four third bevel gears 57 are respectively meshed with the corresponding fourth bevel gears 58, the transmission mechanisms 6 all comprise a transmission cavity 61, four transmission cavities 61 are respectively arranged inside the four connecting blocks 35, the four transmission cavities 61 are respectively communicated with the corresponding through holes 55, the wall of the driving rod 54 positioned in the four transmission cavities 61 is fixedly sleeved with a first transmission wheel 62, the upper ends of a plurality of second rotating shafts 44 close to the four transmission cavities 61 respectively extend into the corresponding transmission cavities 61, the upper ends of a plurality of second rotating shafts 44 positioned in the four transmission cavities 61 are respectively fixedly connected with a second transmission wheel 63, four transmission belts 64 are respectively and jointly connected among a plurality of second transmission wheels 63 of the four first transmission wheels 62 in a transmission way, the driving motor 53 can be started, the driving rod 54 is driven by the driving motor 53 to rotate, the driving rod 54 drives the second rotating shafts 44 through the meshing of a third bevel gear 57 and a fourth bevel gear 58, the second rotating shafts 44 can drive the conveying rollers 43 to rotate, and carry hot rolled strip steel through conveying roller 43, the drive lever 54 drives the drive belt 64 through the first drive wheel 62 to carry out the transmission simultaneously, and the drive belt 64 drives two corresponding second drive wheels 63 and rotates, and then drives the second pivot 44 through the second drive wheel 63 and carries out the middle-end, and the second pivot 44 drives the edge that the corresponding delivery wheel 45 corresponds hot rolled strip steel and carries, the continuation processing of hot rolled strip steel of being convenient for.

When in use, because the lower end level of the two conveying rollers 43 at the middle position is higher than the upper end level of the two outer conveying rollers 43, the hot rolled strip can pass through the upper surfaces of the two outer conveying rollers 43 and the lower end surfaces of the two middle conveying rollers 43 straightly, so that the placement of the hot rolled strip is simple and convenient, then the two double-headed driving motors 23 can be started, the two double-headed driving motors 23 drive the two threaded sleeves 31 to rotate through the meshing of the first bevel gear 24 and the second bevel gear 32, meanwhile, because the two threaded sleeves 31 and the threaded rod 33 at the middle position are oppositely arranged with the threads on the other two threaded sleeves 31 and the threaded rod 33, and because the limiting rod 36 slides in the limiting hole 37, the limiting rod 36 can be limited, and the connecting block 35 can only perform parallel lifting under the limiting of the two limiting rods 36, when the four threaded sleeves 31 rotate, the two threaded rods 33 at the middle position drive the connecting block 35 to descend, and the middle end of the hot-rolled strip is pressed down into the zinc liquid in the galvanizing bath 1 through the conveying roller 43, while the two threaded rods 33 at the outer side drive the connecting block 35 to ascend, and the two ends of the hot-rolled strip are driven by the conveying roller 43 to ascend, so that the hot-rolled strip is tightened, at this time, the driving motor 53 can be started, the driving motor 53 drives the driving rod 54 to rotate, the driving rod 54 drives the second rotating shaft 44 through the meshing of the third bevel gear 57 and the fourth bevel gear 58, the second rotating shaft 44 drives the conveying roller 43 to rotate, and the hot-rolled strip is conveyed through the conveying roller 43, meanwhile, the driving rod 54 drives the driving belt 64 through the first driving wheel 62, and the driving belt 64 drives the corresponding two second driving wheels 63 to rotate, and further drives the second rotating shaft 44 to perform middle, the second rotating shaft 44 drives the corresponding conveying wheel 45 to convey the hot rolled strip steel corresponding to the edge of the hot rolled strip steel, so that the continuous processing of the hot rolled strip steel is facilitated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hot rolling belted steel continuous hot dip galvanizing equipment, includes one and is zinc-plating bath (1) that the upper end opening set up, its characterized in that, the last fixed surface of zinc-plating bath (1) is connected with one and goes up and down supporting mechanism (2), be provided with four elevating system (3) on going up and down supporting mechanism (2), four the equal fixedly connected with conveying mechanism (4) of lower extreme of elevating system (3), four equal fixedly connected with a actuating mechanism (5) on conveying mechanism (4), four all be provided with a drive mechanism (6) on the inside position that corresponds actuating mechanism (5) of conveying mechanism (4).

2. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: lifting support mechanism (2) are including four spinal branch vaulting poles (21), four spinal branch vaulting poles (21) are fixed connection respectively in the four corners edge of galvanizing bath (1) upper surface, four the common fixedly connected with in top backup pad (22) of bracing piece (21), the upper surface of backup pad (22) is two double-end driving motor (23), two of symmetry form fixedly connected with two outputs of double-end driving motor (23) all through first bevel gear (24) of shaft coupling fixedly connected with.

3. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: the four lifting mechanisms (3) respectively comprise a threaded sleeve (31) which is vertically arranged, the four threaded sleeves (31) are rotatably connected onto a supporting plate (22) through bearings, the upper ends of the four threaded sleeves (31) penetrate through the upper surface of the supporting plate (22) and extend upwards, a second bevel gear (32) is fixedly sleeved on the top rod wall of the threaded sleeve (31) which is located outside the supporting plate (22), the four second bevel gears (32) are respectively meshed with corresponding first bevel gears (24), a threaded rod (33) is in threaded connection with each of the four threaded sleeves (31), the upper ends of the four threaded rods (33) penetrate through the upper end openings of the corresponding threaded sleeves (31) and extend upwards, and the upper ends of the two threaded rods (33) are respectively and fixedly connected with a limiting block (34), four the lower extreme of threaded rod (33) all runs through the lower extreme cylinder mouth and the downwardly extending that correspond threaded sleeve (31), four threaded rod (33) are located the equal fixedly connected with of lower extreme connecting block (35) outside backup pad (22), four the relative edge of connecting block (35) upper surface all is two gag lever posts (36) of vertical form fixedly connected with, corresponds a plurality of all runs through on backup pad (22) of gag lever post (36) position and has seted up one spacing hole (37), a plurality of the upper end of gag lever post (36) all runs through and corresponds spacing hole (37) and upwards extends.

4. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: four conveying mechanism (4) all include a set of installation piece (41), every group installation piece (41) all include two installation pieces (41) that are the parallel form setting, and every group is two installation piece (41) equal fixed connection in the relative edge department of a connecting block (35) lower surface, every two of every group installation piece (41) equal fixedly connected with one first pivot (42) on the lateral wall of one side in opposite directions, every two are relative conveying roller (43) of equal common fixedly connected with between first pivot (42), be located four conveying roller (43) two second pivot (44), a plurality of the equal fixedly connected with of connecting block (35) lower surface of one side of conveying roller (43) the equal fixedly connected with of lower extreme of second pivot (44) delivery wheel (45).

5. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: the four driving mechanisms (5) respectively comprise a fixing block (51), the four fixing blocks (51) are respectively and fixedly connected to the top end rod wall of the position, above the supporting plate (22), of the four limiting rods (36), the upper surfaces of the four fixing blocks (51) are respectively and fixedly connected with a fixing frame (52), a driving motor (53) is respectively and fixedly installed in the four fixing frames (52), the output ends of the four driving motors (53) are respectively and fixedly connected with a driving rod (54) through a coupler, the limiting rods (36) corresponding to the positions of the four driving rods (54) are respectively and penetratingly provided with a through hole (55), the lower end orifices of the four through holes (55) are respectively and sequentially penetratingly provided with a limiting rod (36), a connecting block (35) and a mounting block (41) and extend into the mounting block (41), and the mounting block (41) corresponding to the lower end orifices of the four through holes (55) is respectively and is provided with a rotating cavity (56, one ends of four first rotating shafts (42) close to one side of the four rotating cavities (56) respectively extend into the four rotating cavities (56), a third bevel gear (57) is fixedly sleeved on the first rotating shafts (42) in the four rotating cavities (56), the lower ends of the four driving rods (54) respectively penetrate through holes (55) and extend into the rotating cavities (56) and are respectively fixedly sleeved with a fourth bevel gear (58), and the four third bevel gears (57) are respectively meshed with the corresponding fourth bevel gears (58).

6. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: drive mechanism (6) all include a transmission chamber (61), four the inside at four connecting blocks (35) is seted up respectively in transmission chamber (61), four transmission chamber (61) is linked together with corresponding through-hole (55) respectively, is located four all fixedly cup jointed a first drive wheel (62) on actuating lever (54) pole wall in transmission chamber (61), is close to four a plurality of second pivot (44) upper end of transmission chamber (61) extend to respectively in the transmission chamber (61) that corresponds, are located four the equal fixedly connected with second drive wheel (63) in a plurality of second pivot (44) upper end in transmission chamber (61), four common transmission is connected with four drive belt (64) between a plurality of second drive wheel (63) respectively of first drive wheel (62).

7. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: the lower end level of the two conveying rollers (43) positioned in the middle position is higher than the upper end level of the two outer conveying rollers (43).

8. The hot rolled strip steel continuous hot galvanizing equipment according to claim 1, characterized in that: the threads on the two threaded sleeves (31) and the threaded rod (33) located in the middle are arranged in opposite directions with respect to the threads on the two outer threaded sleeves (31) and the threaded rod (33).