I-shaped steel jacking and transferring mechanism suitable for steel arch production line

Abstract

The utility model discloses an I-shaped steel jacking and transferring mechanism suitable for a steel arch production line, which relates to the technical field of tunnel engineering and comprises a ground rail component, a moving component arranged on the ground rail component and capable of reciprocating on the ground rail component, and a driving mechanism arranged on the ground rail component and used for driving the moving component, the ground rail assembly is fixed to the ground, and the moving assembly comprises a telescopic assembly used for lifting and placing I-shaped steel. The design is reasonable, the telescopic assembly achieves lifting and placing of the I-shaped steel mainly through stretching and retracting of the air cylinder, and the gear motor achieves horizontal movement of the I-shaped steel through the driving mechanism. In the production process of the steel arch, when the I-shaped steel needs to be switched to the station, the telescopic assembly is contracted, the moving assembly is arranged below the I-shaped steel through the driving mechanism, then the telescopic assembly stretches out to enable the I-shaped steel to be ejected away from the current station, then the moving assembly is driven to the position above the next station in the same way, the telescopic assembly is contracted, and the I-shaped steel is arranged on the station.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, and more specifically to the technical field of an I-beam lifting and transferring mechanism suitable for a steel arch frame production line. Background Art

[0002] In the process of tunneling construction, steel arch production lines are widely used. At present, the switching of I-beams is generally done by manual handling, which is time-consuming and labor-intensive. The existing equipment has a complex structure and high cost.

[0003] The patent with the publication number CN111232549A and the patent name "A Lifting and Transferring Mechanism" discloses the following contents: A lifting and transferring mechanism, including a base plate, a lifting cylinder, a motor assembly and a transmission mechanism; a guide column is passed through the base plate, the lifting cylinder is passed through the center of the base plate, and the upper end is fixed to the bottom of the motor assembly; the transmission mechanism is linked with the motor, including two parallel belt transmission mechanisms; after the lifting cylinder rises, the motor assembly and the transmission mechanism are lifted up as a whole to the height of the material to be transported, and the motor assembly drives the belt transmission mechanism to drive, and then drives the material to be transported and moved. The present invention eliminates the external force to push or clamp the material, and adopts a speed-regulating motor for rolling transfer, which is compatible with various models of products; the rise and fall of the lifting cylinder enables the material to be separated; the speed regulation of the speed-regulating motor facilitates the control of the speed of material transfer, and can make the material be transported and moved smoothly; the round belt supports the material and uses friction to transmit the material, and the round belt is elastic and convenient to install and replace; the parts are easy to replace and maintain, which improves production efficiency.

[0004] The patent with the publication number CN113734756A and the patent name "A Lifting and Shifting Mechanism" discloses the following contents: A lifting and shifting mechanism, belonging to the technical field of material conveying equipment, the present invention comprises a base, a top frame and a conveying mechanism, the conveying mechanism comprises a longitudinal conveying mechanism; the present invention also comprises parallelogram lifting mechanisms respectively arranged on both sides of the bottom of the top frame, the parallelogram lifting mechanisms on both sides are connected by a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are respectively connected to the base for rotation; the parallelogram lifting mechanism comprises a first parallel rod, a second parallel rod parallel to the first parallel rod, a horizontal transmission rod parallel to the top frame, a first lifting device, a second lifting device, a first flange connection block and a second flange connection block. Compared with the prior art, the present invention arranges parallelogram lifting mechanisms on both sides of the bottom of the top frame respectively, so that the first lifting device and the second lifting device on both sides can perform a unified lifting action, thereby avoiding the conveying surface on the longitudinal conveying mechanism from tilting.

[0005] The existing lifting mechanism has a complex structure and high manufacturing cost, so it is of great practical significance to design a lifting mechanism with a simple structure. Utility Model Content

[0006] The purpose of the utility model is to solve the above technical problems and provide an I-beam lifting and moving mechanism suitable for a steel arch production line. The lifting and placement of the I-beam is mainly achieved through the extension and contraction of the cylinder, and the reduction motor realizes the horizontal movement of the I-beam through the chain.

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] The utility model provides an I-beam lifting and transferring mechanism suitable for a steel arch production line, comprising a ground rail component, a moving component arranged on the ground rail component and capable of reciprocating on the ground rail component, and a driving mechanism arranged on the ground rail component and driving the moving component, wherein the ground rail component is fixed on the ground, and the moving component comprises a telescopic component used for lifting and placing the I-beam.

[0009] Specifically, the telescopic assembly mainly realizes the lifting and placement of the I-beam through the expansion and contraction of the cylinder, and the reduction motor realizes the horizontal movement of the I-beam through the drive mechanism. In the production process of steel arches, when the I-beam needs to switch positions, the telescopic assembly is retracted, and the mobile assembly is placed under the I-beam through the drive mechanism. The telescopic assembly is then extended to push the I-beam away from the current position, and the mobile assembly is similarly driven to the top of the next position. The telescopic assembly is retracted, and the I-beam is placed on the position. In the production process of steel arches, the I-beam can be accurately placed at the next position, which can effectively reduce labor and save costs.

[0010] In one embodiment, the driving mechanism includes a reduction motor installed at one end of the ground rail assembly, a driving wheel mechanism arranged at the output end of the reduction motor, a driven sprocket mechanism installed at the other end of the ground rail assembly, and a chain, one end of the chain bypasses the driving wheel mechanism and is connected to one end of the moving assembly, and the other end of the chain bypasses the driven sprocket mechanism and is connected to the other end of the moving assembly.

[0011] Specifically, a reduction motor and a transmission chain thereof are installed at one end of the ground rail assembly, and a driven sprocket assembly is installed at the other end, and both ends of the chain are respectively fixed on the front and rear sides of the moving assembly.

[0012] In one embodiment, the reduction motor is mounted on the ground rail assembly via a motor mounting seat, and an encoder is mounted on one side of the reduction motor output shaft to accurately control the travel distance of the moving assembly.

[0013] In one embodiment, the driven sprocket mechanism includes a driven sprocket mounting seat mounted on the ground rail assembly and a driven sprocket assembly disposed on the driven sprocket mounting seat.

[0014] In one embodiment, a chain cover bracket is disposed on the motor mounting seat and the driven sprocket mounting seat, and a chain cover is disposed between the two chain cover brackets.

[0015] In one embodiment, the ground rail assembly includes a ground rail frame, channel steels arranged on the inner and outer sides of the ground rail frame, an equilateral angle steel is arranged on any channel steel, the equilateral angle steel is arranged parallel to the channel steel and both ends can be aligned, the reduction motor is located between the equilateral angle steel and the channel steel, and two travel switch contact plates are fixed at both ends of the channel steel close to the reduction motor.

[0016] exist Figure 3 In the invention, channel steel is welded on both sides of the ground rail frame, equilateral angle steel is welded on one side of the channel steel, the reduction motor and chain cover bracket are fixed on the top of the motor mounting seat, the bottom of the motor mounting seat is fixed on the ground rail frame, the driven sprocket assembly and chain cover bracket are fixed on the top of the driven sprocket mounting seat, the bottom of the driven sprocket mounting seat is fixed on the ground rail frame, and the driven sprocket assembly and the reduction motor are driven by a chain.

[0017] In one embodiment, a drag chain frame is provided on the outer side of the ground rail frame close to the channel steel, and a drag chain is provided inside the drag chain frame.

[0018] In one embodiment, the moving assembly includes a moving frame, a V-shaped wheel located on one side of the bottom of the moving frame and matched with an equilateral angle steel, a channel steel wheel located on the other side of the bottom of the moving frame and matched with the channel steel, a chain adjusting rod arranged on the left and right sides of the bottom of the moving frame and fixedly connected to both ends of the chain, and a drag chain bracket connected to the drag chain arranged on the side wall of the moving frame, and the telescopic assembly is fixed on the top of the moving frame.

[0019] Specifically, the channel steel wheel under the moving component is placed on the channel steel of the ground rail component, the V-shaped wheel under the moving component is placed on the equilateral angle steel of the ground rail component, and the two chain adjustment rods under the moving component are fixed to the two ends of the chain of the ground rail component.

[0020] In one embodiment, a travel switch bracket is fixedly arranged below the moving frame, a travel switch is arranged on the side of the travel switch bracket, and the V-shaped wheel and the channel steel wheel are respectively fixed to the bottom of the moving frame through wheel mounting plates.

[0021] In one embodiment, the telescopic assembly includes a cylinder mounting plate fixed to the top of the moving frame, a cylinder vertically mounted on the cylinder mounting plate, a cylinder joint disposed on the top of a cylinder push rod of the cylinder, a horizontally disposed lifting plate disposed on the cylinder joint, a wear strip disposed on the lifting plate, and stop strips disposed at both ends of the wear strip;

[0022] The telescopic assembly also includes a guiding device, which includes a guide shaft connecting plate movably arranged in the mobile frame, and two optical axes fixed on the guide shaft connecting plate. The upper end of each optical axis passes through the cylinder mounting plate and the mobile frame and is connected to the bottom of the lifting plate through a guide shaft support. A linear bearing is arranged at the joint between the optical axis and the mobile frame.

[0023] Specifically, in Figure 2 In the process, the cylinder is installed on the cylinder mounting plate, the cylinder push rod is fixed to the cylinder joint, the cylinder joint and the guide shaft support are fixed to the back of the jacking plate, the wear-resistant strips and the stop strips are fixed to the upper part of the jacking plate, the lower part of the two optical axes is fixed to the guide shaft connecting plate, and the upper part is connected to the bottom of the jacking plate.

[0024] The beneficial effects of the utility model are as follows:

[0025] The utility model has a reasonable design. The telescopic assembly mainly realizes the lifting and placement of the I-beam through the telescopic cylinder, and the reduction motor realizes the horizontal movement of the I-beam through the driving mechanism. In the production process of the steel arch frame, when the I-beam needs to switch the workstation, the telescopic assembly is retracted, and the moving assembly is placed under the I-beam through the driving mechanism. Then the telescopic assembly is extended to make the I-beam push away from the current workstation, and then the moving assembly is similarly driven to the top of the next workstation, the telescopic assembly is retracted, and the I-beam is placed on the workstation. In the production process of the steel arch frame, the I-beam is accurately placed in the next workstation, which can effectively reduce labor and save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is an axonometric drawing of the utility model;

[0028] Figure 2 It is an axonometric view of the mobile assembly of the utility model;

[0029] Figure 3 It is an axonometric diagram of the floor rail assembly of the utility model;

[0030] Figure markings: 1-ground rail assembly, 2-moving assembly, 3-moving frame, 4-linear bearing, 5-optical axis, 6-guide shaft support, 7-speed bar, 8-lifting plate, 9-wear-resistant strip, 10-cylinder joint, 11-cylinder mounting plate, 12-cylinder, 13-guide shaft connecting plate, 14-travel switch bracket, 15-travel switch, 16-V-wheel, 17-channel steel wheel, 18-wheel mounting plate, 19-chain adjusting rod, 20-drag chain bracket, 21-equilateral angle steel, 22-chain cover, 23-reduction motor, 24-chain, 25-motor mounting seat, 26-channel steel, 27-drag chain frame, 28-drag chain, 29-chain cover bracket, 30-driven sprocket assembly, 31-driven sprocket mounting seat, 32-ground rail frame, 33-travel switch touch plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] Example 1

[0036] like Figures 1 to 3 As shown, this embodiment provides an I-beam lifting and transferring mechanism suitable for a steel arch production line, comprising a ground rail assembly 1, a moving assembly 2 arranged on the ground rail assembly 1 and capable of reciprocating on the ground rail assembly 1, and a driving mechanism arranged on the ground rail assembly 1 to drive the moving assembly 2. The ground rail assembly 1 is fixed on the ground, and the moving assembly 2 includes a telescopic assembly for lifting and placing the I-beam.

[0037] Specifically, the telescopic assembly mainly realizes the lifting and placement of the I-beam through the telescopic movement of the cylinder 12, and the reduction motor 23 realizes the horizontal movement of the I-beam through the driving mechanism. In the production process of the steel arch frame, when the I-beam needs to switch the workstation, the telescopic assembly is retracted, and the mobile assembly 2 is placed under the I-beam through the driving mechanism, and then the telescopic assembly is extended to push the I-beam away from the current workstation, and then the mobile assembly 2 is similarly driven to the top of the next workstation, the telescopic assembly is retracted, and the I-beam is placed on the workstation. In the production process of the steel arch frame, the I-beam is accurately placed in the next workstation, which can effectively reduce labor and save costs.

[0038] Example 2

[0039] like Figures 1 to 3 As shown, this embodiment provides an I-beam lifting and transferring mechanism suitable for a steel arch production line, comprising a ground rail assembly 1, a moving assembly 2 arranged on the ground rail assembly 1 and capable of reciprocating on the ground rail assembly 1, and a driving mechanism arranged on the ground rail assembly 1 to drive the moving assembly 2. The ground rail assembly 1 is fixed on the ground, and the moving assembly 2 includes a telescopic assembly for lifting and placing the I-beam.

[0040] The driving mechanism includes a reduction motor 23 installed at one end of the ground rail assembly 1, a driving wheel mechanism arranged at the output end of the reduction motor 23, a driven sprocket mechanism installed at the other end of the ground rail assembly 1, and a chain 24, one end of the chain 24 bypasses the driving wheel mechanism and is connected to one end of the moving assembly 2, and the other end of the chain 24 bypasses the driven sprocket mechanism and is connected to the other end of the moving assembly 2.

[0041] Specifically, a reduction motor 23 and a transmission chain 24 thereof are installed at one end of the ground rail assembly 1, and a driven sprocket assembly 30 is installed at the other end. Both ends of the chain 24 are respectively fixed to the front and rear sides of the moving assembly 2.

[0042] Example 3

[0043] like Figures 1 to 3 As shown, this embodiment provides an I-beam lifting and transferring mechanism suitable for a steel arch production line, comprising a ground rail assembly 1, a moving assembly 2 arranged on the ground rail assembly 1 and capable of reciprocating on the ground rail assembly 1, and a driving mechanism arranged on the ground rail assembly 1 to drive the moving assembly 2. The ground rail assembly 1 is fixed on the ground, and the moving assembly 2 includes a telescopic assembly for lifting and placing the I-beam.

[0044] The driving mechanism includes a reduction motor 23 installed at one end of the ground rail assembly 1, a driving wheel mechanism arranged at the output end of the reduction motor 23, a driven sprocket mechanism installed at the other end of the ground rail assembly 1, and a chain 24, one end of the chain 24 bypasses the driving wheel mechanism and is connected to one end of the moving assembly 2, and the other end of the chain 24 bypasses the driven sprocket mechanism and is connected to the other end of the moving assembly 2.

[0045] The reduction motor is installed on the ground rail assembly 1 through the motor mounting seat 25, and an encoder is installed on one side of the output shaft of the reduction motor 23 to accurately control the travel distance of the moving assembly 2.

[0046] The driven sprocket mechanism comprises a driven sprocket mounting seat 31 mounted on the ground rail assembly 1 and a driven sprocket assembly 30 arranged on the driven sprocket mounting seat 31 .

[0047] Chain cover brackets 29 are disposed on the motor mounting seat 25 and the driven sprocket mounting seat 31 , and a chain cover 22 is disposed between the two chain cover brackets 29 .

[0048] Example 4

[0049] This embodiment is further optimized on the basis of embodiment 3, specifically:

[0050] The ground rail assembly 1 includes a ground rail frame 32, and channel steels 26 arranged on the inner and outer sides of the ground rail frame 32. An equilateral angle steel 21 is arranged on any channel steel 26. The equilateral angle steel 21 is arranged parallel to the channel steel 26 and the two ends can be aligned. The reduction motor 23 is located between the equilateral angle steel 21 and the channel steel 26. Two travel switch 15 contact plates are fixed at both ends of the channel steel 26 close to the reduction motor 23.

[0051] exist Figure 3 In the figure, the channel steel 26 is welded on both sides of the ground rail frame 32, the equilateral angle steel 21 is welded on one side of the channel steel 26, the reduction motor 23 and the chain cover bracket 29 are fixed above the motor mounting seat 25, and the bottom of the motor mounting seat 25 is fixed to the ground rail frame 32, the driven sprocket mounting seat 31 is fixed above the driven sprocket assembly 30 and the chain cover bracket 29, and the bottom of the driven sprocket mounting seat 31 is fixed to the ground rail frame 32, and the driven sprocket assembly 30 and the reduction motor 23 are driven by the chain 24.

[0052] A drag chain frame 27 is provided on the outer side of the ground rail frame 32 close to the channel steel 26 , and a drag chain 28 is provided inside the drag chain frame 27 .

[0053] Example 5

[0054] This embodiment is further optimized on the basis of embodiment 4, specifically:

[0055] The mobile component 2 includes a mobile frame 3, a V-shaped wheel 16 located on one side of the bottom of the mobile frame 3 and matched with an equilateral angle steel 21, a channel steel wheel 17 located on the other side of the bottom of the mobile frame 3 and matched with a channel steel 26, a chain adjusting rod 19 arranged on the left and right sides of the bottom of the mobile frame 3 and fixedly connected to both ends of the chain 24, and a drag chain bracket 20 connected to the drag chain 28 is arranged on the side wall of the mobile frame 3, and the telescopic component is fixed on the top of the mobile frame 3.

[0056] Specifically, the channel steel wheel 17 below the moving component 2 is placed on the channel steel 26 of the ground rail component 1, the V-shaped wheel 16 below the moving component 2 is placed on the equilateral angle steel 21 of the ground rail component 1, and the two chain adjustment rods 19 below the moving component 2 are fixed to the two ends of the chain 24 of the ground rail component 1.

[0057] Example 6

[0058] This embodiment is further optimized on the basis of Embodiment 5, specifically:

[0059] A travel switch bracket 14 is fixedly arranged below the mobile frame 3, a travel switch 15 is arranged on the side of the travel switch bracket 14, and a V-shaped wheel 16 and a channel steel wheel 17 are respectively fixed to the bottom of the mobile frame 3 through a wheel mounting plate 18;

[0060] Example 7

[0061] This embodiment is further optimized on the basis of Embodiment 5, specifically:

[0062] The telescopic assembly includes a cylinder mounting plate 11 fixed on the top of the moving frame 3, a cylinder 12 vertically mounted on the cylinder mounting plate 11, a cylinder joint 10 arranged on the top of the cylinder push rod of the cylinder 12, a horizontally arranged lifting plate 8 arranged on the cylinder joint 10, a wear-resistant strip 9 arranged on the lifting plate 8, and a stop bar 7 arranged at both ends of the wear-resistant strip 9;

[0063] The telescopic assembly also includes a guiding device, which includes a guide shaft connecting plate 13 movably arranged in the mobile frame 3, and two optical axes 5 fixed on the guide shaft connecting plate 13. The upper end of each optical axis 5 passes through the cylinder mounting plate 11 and the mobile frame 3 and is connected to the bottom of the lifting plate 8 through the guide shaft support 6. A linear bearing 4 is provided at the joint between the optical axis 5 and the mobile frame 3.

[0064] Specifically, in Figure 2 In the figure, the cylinder 12 is installed on the cylinder mounting plate 11, the cylinder push rod is fixed to the cylinder joint 10, the cylinder joint 10 and the guide shaft support 6 are fixed to the back of the lifting plate 8, the wear-resistant strips 9 and the stop strips 7 are fixed on the upper part of the lifting plate 8, the two optical axes 5 are fixed to the guide shaft connecting plate 13 at the bottom, and connected to the bottom of the lifting plate 8 at the top.

Claims

1. An I-beam lifting and transferring mechanism suitable for a steel arch production line, characterized in that: The invention comprises a ground rail assembly (1), a moving assembly (2) arranged on the ground rail assembly (1) and capable of reciprocating on the ground rail assembly (1), and a driving mechanism arranged on the ground rail assembly (1) for driving the moving assembly (2), wherein the ground rail assembly (1) is fixed on the ground, and the moving assembly (2) comprises a telescopic assembly for lifting and placing an I-beam; The telescopic assembly comprises a cylinder mounting plate (11) fixed on the top of the moving frame (3), a cylinder (12) vertically mounted on the cylinder mounting plate (11), a cylinder joint (10) arranged on the top of the cylinder push rod of the cylinder (12), a horizontally arranged lifting plate (8) arranged on the cylinder joint (10), a wear-resistant strip (9) arranged on the lifting plate (8), and stop strips (7) arranged at both ends of the wear-resistant strip (9); The telescopic assembly also includes a guiding device, which includes a guiding shaft connecting plate (13) movably arranged in the moving frame (3), and two optical axes (5) fixed on the guiding shaft connecting plate (13), and the upper end of each of the optical axes (5) passes through the cylinder mounting plate (11) and the moving frame (3) and is connected to the bottom of the lifting plate (8).

2. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 1 is characterized in that: The driving mechanism comprises a reduction motor (23) mounted at one end of the ground rail assembly (1), a driving wheel mechanism arranged at the output end of the reduction motor (23), a driven sprocket mechanism mounted at the other end of the ground rail assembly (1), and a chain (24); one end of the chain (24) bypasses the driving wheel mechanism and is connected to one end of the moving assembly (2); and the other end of the chain (24) bypasses the driven sprocket mechanism and is connected to the other end of the moving assembly (2).

3. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 2 is characterized in that: The reduction motor (23) is mounted on the ground rail assembly (1) via a motor mounting seat (25), and an encoder is mounted on one side of the output shaft of the reduction motor (23), which can accurately control the travel distance of the moving assembly (2).

4. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 3 is characterized in that: The driven sprocket mechanism comprises a driven sprocket mounting seat (31) mounted on the ground rail assembly (1) and a driven sprocket assembly (30) arranged on the driven sprocket mounting seat (31).

5. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 4 is characterized in that: A chain cover bracket (29) is provided on the motor mounting seat (25) and the driven sprocket mounting seat (31), and a chain cover (22) is provided between the two chain cover brackets (29).

6. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 4 is characterized in that: The ground rail assembly (1) comprises a ground rail frame (32), channel steels (26) arranged on the inner and outer sides of the ground rail frame (32), an equilateral angle steel (21) being arranged on any of the channel steels (26), the equilateral angle steel (21) being arranged parallel to the channel steel (26) and having both ends aligned, the reduction motor (23) being located between the equilateral angle steel (21) and the channel steel (26), and two travel switch (15) contact plates being fixed at both ends of the channel steel (26) close to the reduction motor (23).

7. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 6 is characterized in that: A drag chain frame (27) is arranged on the outer side of the ground rail frame (32) close to the channel steel (26), and a drag chain (28) is arranged inside the drag chain frame (27).

8. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 7 is characterized in that: The moving assembly (2) comprises a moving frame (3), a V-shaped wheel (16) located on one side of the bottom of the moving frame (3) and cooperating with the equilateral angle steel (21), a channel steel wheel (17) located on the other side of the bottom of the moving frame (3) and cooperating with the channel steel (26), a chain adjusting rod (19) arranged on the left and right sides of the bottom of the moving frame (3) and fixedly connected to the two ends of the chain (24), and a drag chain bracket (20) connected to the drag chain (28) arranged on the side wall of the moving frame (3), and the telescopic assembly is fixed on the top of the moving frame (3).

9. The I-beam lifting and transferring mechanism suitable for a steel arch production line according to claim 8, characterized in that: A travel switch bracket (14) is fixedly arranged below the mobile frame (3), a travel switch (15) is arranged on the side of the travel switch bracket (14), and the V-shaped wheel (16) and the channel steel wheel (17) are respectively fixed to the bottom of the mobile frame (3) through a wheel mounting plate (18).

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