CN111155043A

CN111155043A - Coil pipe galvanizing hanger

Info

Publication number: CN111155043A
Application number: CN202010085355.0A
Authority: CN
Inventors: 伍军
Original assignee: Chongqing Yudailu Industrial Technology Co ltd
Current assignee: Chongqing Yudailu Industrial Technology Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-05-15

Abstract

The invention belongs to the technical field of coil galvanizing, and particularly discloses a coil galvanizing hanger which comprises a frame, wherein the frame is in a cuboid structure, and a plurality of carrying strips for supporting a coil are welded and fixed in the frame. The invention aims to provide a coil galvanizing hanger to solve the problem of low galvanizing efficiency caused by the fact that the hanger cannot enable coils to be galvanized completely at one time.

Description

Coil pipe galvanizing hanger

Technical Field

The invention belongs to the technical field of coil galvanizing, and particularly discloses a coil galvanizing hanger.

Background

The evaporative condenser is a heat exchange device for cooling a refrigeration house and is formed by combining a fan, a condensing coil, heat exchange fins, a box body and the like. Wherein, aiming at the condensing coil, in order to prevent rusting in long-term use, the surface of the condensing coil needs to be subjected to high-temperature hot-dip galvanizing treatment.

In the prior art, the condensing coil of the evaporative condenser is large in size and weight, and generally weighs about 11-12 tons, so that stable galvanization can be guaranteed only by fastening and fixing the condensing coil by a plurality of fixing pieces. However, due to the fact that the number of the coil fixing structures is too large, the contact surface for fixing the coil cannot contact with the galvanizing liquid, and one-time complete galvanizing treatment cannot be met. The method generally adopted in the prior art is to repeatedly plate zinc for many times to meet the requirements of a hanger, so that the process steps are complicated, and the surface of a galvanized pipe fitting has fixed traces, so that the galvanizing quality is influenced.

Disclosure of Invention

The invention aims to provide a coil galvanizing hanger to solve the problem of low galvanizing efficiency caused by the fact that the hanger cannot enable coils to be galvanized completely at one time.

The coil galvanizing hanger comprises a frame, wherein the frame is in a cubic structure, a plurality of bearing strips used for supporting a coil are welded and fixed in the frame, a plurality of bearing columns are connected in the frame in a rotating mode, and the bearing strips are sequentially fixed on the outer walls of the bearing columns along the axial direction of the bearing columns.

The principle and the beneficial effects of the technical scheme are as follows:

1. this technical scheme utilizes the hanger of cuboid structure, realizes placing steadily of hanger. An operator utilizes four corners of the cuboid to be always kept on the same horizontal plane to ensure that the coil pipe enters the galvanizing bath in a horizontal posture and ensure that the coil pipe fixed by the hanger is always kept in a stable state.

2. Because the density of zinc liquid is great, compare in prior art and directly put into the galvanizing bath with the coil pipe, this technical scheme utilizes the hanger of cuboid to increase overall structure's average density, improve holistic load, effectively reduce the buoyancy of whole hanger, in order to guarantee that the hanger soaks in the galvanizing solution completely.

3. Compared with the prior art, the technical scheme can ensure that the coil pipe is fixed before galvanization, can ensure that the coil pipe is completely galvanized in the galvanization process, improves the galvanization integrity of the coil pipe, effectively improves the galvanization quality of the coil pipe, obviously reduces the galvanization times, and improves the galvanization production efficiency of the coil pipe.

4. This technical scheme utilizes the hanger of cuboid shape, effectively improves the security of galvanizing process in-process, avoids the problem that the coil pipe topples and causes personnel and property damage.

5. This technical scheme utilizes the carrier bar to realize the rotation to the carrier bar, and at the relative frame circumferential direction's of carrier bar in-process promptly, the carrier bar also can rotate correspondingly. And then realize rotating the carrier strip to the coil pipe under, perhaps rotate the carrier strip to the position of keeping away from the coil pipe. When bearing the strip and rotating to the coil pipe under, bear the strip and can play the effect of support to the coil pipe, avoid the coil pipe to appear rocking. After the coil pipe gets into the galvanizing liquid, operating personnel can bear the post through rotating, and the bearing strip rotates to the position of keeping away from the coil pipe, makes and bears the strip and loses the supporting role to the coil pipe, and then makes the coil pipe expose on a large scale in the galvanizing liquid, realizes the one-off complete galvanized technological effect of coil pipe.

Furthermore, the cross section of the bearing strip is isosceles trapezoid, and the edge of the top of the cross section of the bearing strip is an upper bottom.

Has the advantages that: this technical scheme utilizes the characteristics that the carrier strip cross-section is isosceles trapezoid, makes the carrier strip at driven in-process, and when the carrier strip contacted with the coil pipe, isosceles trapezoid's waist place face can play the effect of direction to the coil pipe, makes the coil pipe can slide to the top surface of carrier strip along the place face of isosceles trapezoid's waist. Effectively improve the accuracy of carrying strip in the removal process.

Furthermore, curved surface grooves for accommodating the coil pipes are sequentially formed in the top surface of the bearing strip along the axial direction.

Has the advantages that: this technical scheme is through seting up the curved surface recess at the top surface that bears the weight of the strip to in the increase area of contact that bears the weight of strip and coil pipe bottom surface, avoid the coil pipe horizontal direction's skew to appear on bearing the weight of the strip, improve the stability of bearing the weight of the strip to the fixed in-process of coil pipe.

Furthermore, the top end of each bearing column is coaxially and fixedly connected with a gear, and a chain for synchronous rotation of the bearing columns is meshed on the gear between the adjacent bearing columns.

Has the advantages that: this technical scheme utilizes the meshing of chain and gear to realize the synchronous rotation of bearing post between adjacent. On one hand, the operator only needs to rotate one of the bearing columns to realize the synchronous rotation of all the bearing columns, so that the operation steps are reduced, and the efficiency is improved; on the other hand, the synchronously rotating bearing column can also enable the bearing strip to synchronously rotate in a coordinated manner, so that the consistency of the fixed positions of the bearing strip is ensured.

Further, the frame is of a cuboid hollow structure.

Has the advantages that: this technical scheme adopts hollow out construction's frame to under the prerequisite of guaranteeing to coil pipe stable fixation, the frame can also guarantee that the galvanizing flux of maximum gets into inside, guarantees to realize the complete galvanizing effect to the coil pipe.

Furthermore, a hanging lug is welded and fixed at the top end of the frame.

Has the advantages that: this technical scheme utilizes the hangers of fixing on the frame, realizes utilizing the hangers to the purpose of hanging of frame to be convenient for operating personnel transport and shift the frame.

Furthermore, a cushion block is welded and fixed at the bottom of the frame.

Has the advantages that: this technical scheme is through at frame bottom welded fastening cushion to the realization utilizes the cushion and meets with horizontal ground department, with the stability of reinforcing frame under the static state of placing.

Further, a lifting appliance for lifting is fixedly connected to the top of the frame through bolts.

Has the advantages that: this technical scheme adopts extra hoist to in with frame fixed connection on the ground jack, conveniently jack up the frame

Further, the lifting appliance comprises a cross beam and a vertical beam, the vertical beam is welded and fixed to the bottom of the cross beam, and the bottom end of the vertical beam is connected with the top of the frame through a bolt.

Has the advantages that: this technical scheme adopts welded mode to connect crossbeam and perpendicular roof beam to in the intensive joint strength, effectively prolong the life of structure.

Drawings

FIG. 1 is a schematic front view of a coil galvanizing hanger according to an embodiment of the invention

Fig. 2 is a schematic structural view of a coil galvanizing hanger according to a first embodiment of the invention;

FIG. 3 is a schematic front view of a coil galvanizing hanger according to a second embodiment of the invention;

fig. 4 is a side sectional view of a coil galvanizing hanger according to a second embodiment of the invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a frame 1, a supporting bar 2, a bearing column 3, a bearing bar 4, a groove 5, a coil pipe 6, a hanging lug 7, a stop lever 8, a cushion block 9, a chain 10, a bottom plate 11, a lifting appliance 12, a cross beam 1201 and a vertical beam 1202.

Example one

Substantially as shown in figures 1 and 2: a coil galvanizing hanger comprises a hollow frame 1 in a cuboid shape. The frame 1 is formed by welding and fixing eighteen supporting bars 2 which are mutually vertical. The inside vertical welded fastening of frame 1 has four rows to bear the weight of the group, and every bears the weight of the group including six bearing strip 4, bears the weight of and is parallel to each other between the strip 4. The axial two ends of the carrying bars 4 are fixed on the outer wall of the supporting bar 2 by welding, and the side wall of each carrying bar 4 is propped against the outer wall of the coil 6. The bottom of the frame 1 is horizontally welded and fixed with a bottom plate 11, and the circumferential outer edge of the bottom plate 11 is welded and fixed on the outer wall of the supporting bar 2. The top bolt of the frame 1 is fixedly connected to the lifting appliance 12, the lifting appliance 12 comprises two cross beams 1201 which are parallel to each other, a plurality of vertical beams 1202 are fixedly welded at the bottom ends of the cross beams 1201, and the bottom bolts of the vertical beams 1202 are fixed at the top of the frame 1.

The specific implementation process is as follows: firstly, an operator puts the coil 6 into the cuboid hollow frame 1, and then fixes each carrying strip 4 in the frame 1 in a welding and fixing mode so as to achieve the purpose that the carrying strips 4 abut against the outer wall of the coil 6. After all the carrying strips 4 are fixed on the coil 6, an operator uses the hoisting equipment to hoist the lifting appliance 12, and in the process of hoisting the lifting appliance 12, the frame 1 moves along with the lifting equipment until the frame 1 is completely placed in a galvanizing bath. In the process of putting the frame 1, an operator can observe the levelness of the bottom surface of the cuboid frame 1 to ensure that the hanger is stably placed in a galvanizing bath. In addition, the drainage of the hanger is reduced by utilizing the characteristics of the rectangular frame 1, and the buoyancy of the whole hanger is reduced, so that the hanger is ensured to be completely immersed in the galvanizing solution. Thereby finally realizing the safe, high-efficiency and sufficient galvanizing of the coil 6.

Example two

The difference between the first embodiment and the second embodiment is that, as shown in fig. 3 and 4, the bottom surface of the frame 1 is welded and fixed with the cushion blocks 9 at the four corners, and the four cushion blocks 9 have the same size and structure and are all in the shape of a rectangular parallelepiped. The top surfaces of two opposite side edges of the frame 1 are respectively welded and fixed with a hanging lug 7, and the hanging lugs 7 are vertically fixed on the top surface of the frame 1. The hangers 7 are of an annular structure, gaps are formed in the side walls of the hangers 7, the gaps are hinged to the retaining rods 8, the hinged positions of the retaining rods 8 and the gaps are connected with torsion springs, one ends of the torsion springs are fixedly connected to the side walls of the gaps in an inserted mode, and the other ends of the torsion springs are fixedly connected to the end portions of the baffles in an inserted mode. When the torsion spring is in a free state, the stop lever 8 closes the gap of the hanging lug 7.

Three bearing columns 3 are respectively vertically and rotatably connected to two horizontally opposite sides of the frame 1, a gear is coaxially and fixedly connected to the top end of each bearing column 3, and a chain 10 for synchronous rotation of the bearing columns 3 is meshed on the gears between the bearing columns 3 on each row. The side wall of the bearing column 3 is fixed with five bearing strips 4 by welding. The cross section of the bearing strip 4 is isosceles trapezoid, and the edge of the top of the cross section of the bearing strip 4 is an upper bottom. The five support bars 2 are sequentially arranged along the axial direction of the support column, and the axial direction of the bearing bar 4 is vertical to the axial direction of the bearing column 3. The top surface of the carrying strip 4 is sequentially provided with curved surface grooves 5 for accommodating the coil pipes 6 along the axial direction.

The specific implementation process is as follows: firstly, the operator turns the support column 3, during which the support strip 4 turns away from the frame 1. The operator then places the large coil 6 flat on top of the floor 11. After the placement is completed, the operator rotates the bearing column 3 to move the bearing strip 4 of the bearing column 3 to the bottom surface of each level of the coil pipe 6 until the outer wall of the coil pipe 6 is attached in the curved groove 5 of the bearing strip 4. Then, an operator hooks and fixes the lifting machine on the hanging lug 7 of the frame 1 to realize the fixing effect on the frame 1. The frame 1 enters a galvanizing bath under the action of a lifter. After the coil pipe 6 in the frame 1 completely enters the galvanizing bath, the operator rotates the bearing column 3 again, the bearing strip 4 leaves the coil pipe 6 again under the driving of the bearing column 3, and the coil pipe 6 without the bearing strip 4 is stably and vertically positioned on the bottom plate 11 under the action of gravity. The outer wall of the coil 6 is subjected to a complete galvanising process. After the galvanization is finished, the operator finally rotates the bearing column 3, the bearing strip 4 enters the bottom surface of each level of the coil pipe 6 under the rotation of the bearing column 3 until the outer wall of the coil pipe 6 is attached to the surface of the curved groove 5 of the bearing strip 4. And finally, the hoisting machine utilizes the hanging lug 7 to lift the frame 1 from the galvanizing bath, and the galvanizing process of the coil 6 is finally completed.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims

1. The coil galvanizing hanger comprises a frame and is characterized in that: the shape of frame is the cube structure, welded fastening has a plurality of bearing strips that are used for supporting the coil pipe in the frame, the frame internal rotation is connected with a plurality of bearing posts, bearing strip is fixed in proper order along bearing post axial and is born the post outer wall.

2. The coil galvanizing hanger according to claim 1, characterized in that: the cross section of the bearing strip is isosceles trapezoid, and the edge of the top of the cross section of the bearing strip is an upper bottom.

3. The coil galvanizing hanger according to claim 2, characterized in that: the top surface of the bearing strip is sequentially provided with curved surface grooves used for accommodating the coil pipes along the axial direction.

4. The coil galvanizing hanger according to claim 1, characterized in that: the top end of each bearing column is coaxially and fixedly connected with a gear, and a chain for synchronous rotation of the bearing columns is meshed on the gear between the adjacent bearing columns.

5. The coil galvanizing hanger according to claim 1, characterized in that: the frame is of a cuboid hollow structure.

6. The coil galvanizing hanger according to claim 5, characterized in that: and the top end of the frame is fixedly welded with a suspension loop.

7. The coil galvanizing hanger according to claim 6, characterized in that: and a cushion block is welded and fixed at the bottom of the frame.

8. The coil galvanizing hanger according to claim 1, characterized in that: and a lifting appliance for lifting is fixedly connected to the top bolt of the frame.

9. The coil galvanizing hanger according to claim 8, characterized in that: the lifting appliance comprises a cross beam and a vertical beam, the vertical beam is welded and fixed at the bottom of the cross beam, and the bottom end of the vertical beam is connected with the top of the frame through a bolt.