Inner supporting type three-jaw coil pipe charging basket lifting appliance

Abstract

The utility model belongs to the technical field of pipe machining, and discloses an inner supporting type three-jaw coil pipe charging basket lifting appliance which comprises an annular lifting frame, a lifting rod and clamping jaws. The lifting rod is vertically arranged in the middle of the annular lifting frame and is connected with the annular lifting frame through three sets of connecting frames, and a fixed circular truncated cone is fixedly arranged on a rod body in the middle of the lifting rod; the lower side rod body of the hanging rod is slidably sleeved with a sliding circular truncated cone, the upper side rod body of the hanging rod is slidably sleeved with a sliding sleeve, the upper end and the lower end of the sliding sleeve are each provided with three upper connecting plates and three lower connecting plates in an array mode, the outer ends of the lower connecting plates are rotationally provided with C-shaped clamping jaws with inward openings, and the bottom ends of the C-shaped clamping jaws are in an inward hook shape. The middle of the clamping jaw is rotationally arranged on the transverse shaft, a chain is arranged between the upper end of the clamping jaw and the upper connecting plate, and a hanging ring is arranged at the top end of the sliding sleeve. And by arranging the three sets of clamping jaws, the stability of the coil pipe material frame can be effectively improved, safety accidents such as throwing-out and unhooking of the coil pipe material frame cannot be caused, and the requirement for safe hoisting of the coil pipe material frame is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe processing technical field, especially inner bracing three claw coil pipe basket hoist. BACKGROUND

[0002] Coil pipe frame is copper pipe, aluminium pipe etc. production workshop is used for depositing copper pipe, aluminium pipe's frame, generally divides into inside and outside two circles, inside and outside two circles pass through bottom layer metal surface fixed connection, the maximum diameter distance of outer layer limit coil, the inside layer as the center load of metal pipe, cable and hoist lifting point, the through -hole and end surface contact position of coil center have hoisting inner step, generally through in the center through -hole inner wall inner bracing hoist or coil pipe upper end surface lifting hook hoist mode hoist coil pipe frame.

[0003] The existing inner bracing hoist is mostly two claw type structure, but in the actual hoisting process, when the coil pipe frame is knocked, inclined and so on in the running process, the two claw type inner bracing hoist can produce relative displacement between the coil pipe frame, so that the coil pipe basket exists the risk such as throwing out, unhooking, and the safety accident is easily caused. UTILITY MODEL CONTENTS

[0004] In order to solve the above problem, the utility model provides a kind of inner bracing three claw coil pipe basket hoist.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of inner bracing three claw coil pipe basket hoist, including annular hanger, suspender and dog, the suspender is vertically arranged in annular hanger middle and is fixedly connected between annular hanger through the three groups of connecting frames of circumferential array arrangement, the fixedly set with the fixed circular table of upper small lower big on the suspender middle part, the fixed circular table lower side of suspender is slidably sleeved with the sliding circular table of upper big lower small, the fixed circular table and the large diameter end of sliding circular table are identical, the suspender upper side of fixed circular table is slidably sleeved with sliding sleeve, the upper and lower ends of sliding sleeve are circumferentially arranged with three upper connecting plates and lower connecting plates on outer wall, the outer end of lower connecting plate is rotatably provided with the C-shaped clamping claw with opening inward, the bottom end of C-shaped clamping claw is in the form of inward hook, the connecting frame is provided with horizontally arranged cross shaft, the dog is integrally in the form of L, and the upper end is rotatably arranged on the cross shaft, and chain is arranged between the upper end and the outer end of upper connecting plate, the two ends of chain are rotatably connected with the upper end of dog and the outer end of upper connecting plate respectively, and the top end of sliding sleeve is provided with lifting ring.

[0006] By adopting the technical scheme, three sets of clamping claws are arranged, the upper and lower movement of the sliding sleeve drives the clamping claws to rotate around the horizontal shaft, so that the three sets of clamping claws move outward synchronously to support the coil material frame or move inward synchronously to loosen the coil material frame, and when hoisting is performed, the coil material frame is supported by the three sets of clamping claws, so that the stability of the coil material frame can be effectively improved, even if the coil material frame is knocked, tilted or in other conditions during operation, the three sets of clamping claws are uniformly stressed and cannot be unhooked, so that safety accidents such as the coil material basket being thrown out or unhooked are avoided, the safety of the hoisting process is improved, and the safe hoisting requirement of the coil material frame can be effectively met.

[0007] Further, the connecting frame includes two installation plates arranged horizontally and spaced apart, two ends of the installation plates are fixedly connected with the outer wall of the lifting rod and the inner wall of the annular lifting frame respectively, and the horizontal shaft is arranged between the two installation plates and close to the side of the lifting rod.

[0008] By adopting the technical scheme, the installation plate is arranged, so that the installation and stress of the horizontal shaft are facilitated.

[0009] Further, a guide cover is arranged below the annular lifting frame, the upper end of the guide cover is fixedly installed on the connecting frame, the outer wall of the guide cover is provided with avoiding holes corresponding to the positions of the three clamping claws, and the lower parts of the clamping claws are arranged in the cavities of the guide cover and correspond to the avoiding holes.

[0010] By adopting the technical scheme, the guide cover is arranged, and the lower parts of the three clamping claws are arranged in the guide cover, so that the three clamping claws can be folded.

[0011] Further, the guide cover is a hollow cover body in the shape of a circular truncated cone with a large upper part and a small lower part.

[0012] By adopting the technical scheme, the guide cover is arranged as a hollow cover body in the shape of a circular truncated cone with a large upper part and a small lower part, so that the guide cover can be matched with the central hole of the coil material frame.

[0013] Further, a limiting clamp is arranged below the lower end of the lifting rod.

[0014] By adopting the technical scheme, the limiting clamp is arranged below the sliding circular truncated cone to limit the lowest position of the sliding circular truncated cone, so that the sliding of the sliding circular truncated cone is avoided to cause the failure of cooperation with the C-shaped clamping jaw.

[0015] Further, the upper connecting plate and the lower connecting plate are arranged in a staggered manner in a horizontal projection plane.

[0016] By adopting the technical scheme, the upper connecting plate and the lower connecting plate are arranged in a staggered manner in a horizontal projection plane, so that interference between the C-shaped clamping jaw and the chain is avoided.

[0017] In summary, the utility model has the following beneficial effects: in the application, through setting three sets of clamping jaw, using the up and down movement of sliding sleeve drives the clamping jaw rotates around the horizontal shaft, makes three sets of clamping jaw synchronous movement outward props up the coil material frame or synchronous movement inward loosens the coil material frame, when hoisting work is carried out, props up the coil material frame by three sets of clamping jaw, can effectively improve the stability of coil material frame, even if the coil material frame knocks, tilting etc. Condition in the running process, three sets of clamping jaw due to uniform stress, will not occur unhooking phenomenon, thus will not cause the coil material basket to throw, unhooking etc. Safety accident, improved the safety of hoisting process, can effectively satisfy the safe hoisting demand of coil material frame. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the embodiment of the utility model and the cooperation state of coil material frame part;

[0019] Figure 2 It is the whole structure schematic diagram of the embodiment of the utility model;

[0020] Figure 3 It is the local sectional view of the embodiment of the utility model for highlighting the connecting frame and clamping jaw part;

[0021] Figure 4 It is the structure schematic diagram of the guide cover of the embodiment of the utility model.

[0022] In the drawing: 10, annular hanger;20, suspender;21, fixed circular table;22, sliding circular table;23, sliding sleeve;24, upper connecting plate;25, lower connecting plate;26, C-shaped clamping jaw;27, lifting ring;28, limit clamp;30, clamping jaw;31, chain;40, connecting frame;41, horizontal shaft;42, mounting plate;50, guide cover;51, avoiding hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application;Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments of the application;Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the application.

[0024] As Figures 1-4As shown, the embodiment of the present application discloses an inner supporting type three-jaw coil pipe basket hoist, which comprises a ring-shaped hanger 10, a suspender 20 and a jaw 30. The ring-shaped hanger 10 is in the form of a circular ring plate. The suspender 20 is vertically arranged in the middle of the ring-shaped hanger 10. The suspender 20 and the ring-shaped hanger 10 are fixedly connected through three groups of connecting frames 40 arranged in a circular array, so that the ring-shaped hanger 10 and the suspender 20 are fixed as a whole. The connecting frame 40 is provided with a horizontal shaft 41 arranged horizontally. The jaw 30 is in the form of L shape. The middle part of the jaw 30 is rotatably arranged on the horizontal shaft 41. In this way, through the arrangement of three jaws 30 rotating around the horizontal shaft 41, the three groups of jaws 30 are synchronously moved outward to support the coil pipe basket or synchronously moved inward to loosen the coil pipe basket. When hoisting is carried out, the coil pipe basket is supported by the three groups of jaws 30, so that the stability of the coil pipe basket can be effectively improved. Even if the coil pipe basket is knocked, tilted or in other conditions during operation, the three groups of jaws 30 are uniformly stressed, and the unhooking phenomenon does not occur, so that the coil pipe basket is not thrown out, unhooked or other safety accidents are caused. The safety of the hoisting process is improved, and the safe hoisting requirement of the coil pipe basket can be effectively met.

[0025] When specifically arranged, the connecting frame 40 comprises two installation plates 42 arranged horizontally and spaced apart. The two ends of the installation plate 42 are fixedly connected with the outer wall of the suspender 20 and the inner wall of the ring-shaped hanger 10, respectively. The horizontal shaft 41 is arranged between the two installation plates 42 and close to the suspender 20 side, so as to facilitate the outward movement of the jaw 30 to support the center hole of the coil pipe basket.

[0026] The upper small and lower large fixed circular table 21 is fixedly arranged on the middle rod of the suspender 20, the upper large and lower small sliding circular table 22 is slidably arranged on the suspender 20 below the fixed circular table 21, the sliding sleeve pipe 23 is slidably arranged on the suspender 20 above the fixed circular table 21, three upper connecting plates 24 and three lower connecting plates 25 are circumferentially arranged on the outer wall of the upper and lower ends of the sliding sleeve pipe 23, the chain 31 is arranged between the outer end of the upper connecting plate 24 and the upper end of the claw 30, the two ends of the chain 31 are rotatably connected with the upper end of the claw 30 and the outer end of the upper connecting plate 24, the upper and lower movements of the sliding sleeve pipe 23 drive the upper end of the claw 30 to rotate around the horizontal shaft 41, thereby driving the lower end of the claw 30 to move, and the central hole of the coil pipe frame is internally supported. The outer end of the lower connecting plate 25 is rotatably provided with the C-shaped clamping jaw 26 with the opening facing inward, the bottom end of the C-shaped clamping jaw 26 is in the form of an inward hook, when the sliding sleeve pipe 23 moves downward, the lower end of the C-shaped clamping jaw 26 slides down along the table surface of the fixed circular table 21, when the lower end of the C-shaped clamping jaw 26 is lower than the fixed circular table 21, if the sliding sleeve pipe 23 is driven to rise, the hook part of the lower end of the C-shaped clamping jaw 26 will hook the bottom surface of the fixed circular table 21, at this time, driving the sliding sleeve pipe 23 to rise will drive the suspender 20 and the annular hanger 10 to rise together; the large diameter ends of the fixed circular table 21 and the sliding circular table 22 are the same size, when the sliding sleeve pipe 23 continues to descend, the lower end of the C-shaped clamping jaw 26 will transition to the table surface of the sliding circular table 22, if the sliding sleeve pipe 23 is driven to rise at this time, the lower end of the C-shaped clamping jaw 26 will rise together with the sliding circular table 22, when the sliding circular table 22 contacts the fixed circular table 21, the sliding circular table 22 cannot continue to rise, which will make the lower end of the C-shaped clamping jaw 26 move upward along the sliding circular table 22 and transition to the table surface of the fixed circular table 21, in this way, the hook part of the lower end of the C-shaped clamping jaw 26 will not hook the bottom surface of the fixed circular table 21, so that the C-shaped clamping jaw 26 is separated from the fixed circular table 21, at this time, the rising of the sliding sleeve pipe 23 will not drive the suspender 20 and the annular hanger 10 to rise together.

[0027] Further, the upper connecting plate 24 and the lower connecting plate 25 are arranged in a staggered manner in the horizontal projection plane, so that interference between the C-shaped clamping jaw 26 and the chain 31 can be avoided. The limiting clamp 28 is arranged below the sliding circular table 22 at the lower end of the suspender 20, for limiting the lowest position of the sliding circular table 22, so as to ensure that the C-shaped clamping jaw 26 can cooperate with the sliding circular table 22 in the upward and downward movement.

[0028] The lifting ring 27 is arranged at the top end of the sliding sleeve pipe 23, so as to facilitate the connection between the hook of the lifting equipment such as a crane and the sliding sleeve pipe 23, and the lifting work can be performed.

[0029] A guide cover 50 is arranged below the ring-shaped hanger 10. The guide cover 50 is a hollow cover body in the shape of a circular table with a large upper part and a small lower part. The upper end of the guide cover 50 is fixedly installed on the connecting frame 40. Relieving holes 51 are formed in the outer wall of the guide cover 50 corresponding to the positions of the three clamping claws 30. The lower parts of the clamping claws 30 are arranged in the cavity of the guide cover 50 and correspond to the relieving holes 51. Through the arrangement of the guide cover 50, the lower ends of the three clamping claws 30 can be folded in the guide cover 50. During hoisting, the guide cover 50 can be matched with the central hole of the coil material frame to facilitate positioning. Then, when the clamping claws 30 rotate around the horizontal shaft 41, the lower ends of the clamping claws 30 can come out of the relieving holes 51 in the outer wall of the guide cover 50, without affecting the inward supporting and clamping of the central hole of the coil material frame.

[0030] The use principle of the inner supporting type three-claw coil material basket hoist in the embodiment is as follows: first, connect the hook of the travelling crane or hoisting equipment with the lifting ring 27, then release the hook to make the sliding sleeve 23 descend on the lifting rod 20, when the lower end of the C-shaped clamping claw 26 is lower than the fixed circular table 21, hoist the hook through the travelling crane to make the hook take the sliding sleeve 23 to ascend, when the hook part of the lower end of the C-shaped clamping claw 26 hooks the bottom surface of the fixed circular table 21, the lifting rod 20 and the ring-shaped hanger 10 will ascend synchronously with the sliding sleeve 23, so that the whole hoist can be moved together through the travelling crane; after the whole hoist moves above the coil material frame to be hoisted, control the whole hoist to descend through the travelling crane and make the guide cover 50 align with the central hole of the coil material frame, when the guide cover 50 completely enters the central hole of the coil material frame, the bottom of the ring-shaped hanger 10 will contact the upper surface of the coil material frame, then make the sliding sleeve 23 descend through the descending of the hook of the travelling crane, when the lower end of the C-shaped clamping claw 26 transitions to the position at half of the table surface of the sliding circular table 22, make the sliding sleeve 23 ascend through the hook of the travelling crane, the C-shaped clamping claw 26 moves upwards along the sliding circular table 22 surface and the fixed circular table 21 surface, the upper connecting plate 24 on the sliding sleeve 23 drives the chain 31 to move, the clamping claw 30 rotates around the horizontal shaft 41, so that the lower end of the clamping claw 30 moves outward to support the central hole of the coil material frame, so that the coil material frame can be supported from the inside, with the continuous ascending movement of the hook of the travelling crane, the whole hoist and the coil material frame will move synchronously to carry. After the coil material frame is hoisted to the designated position, only need to make the hoist descend to make the clamping claw 30 and the central hole of the coil material frame disengage, so that the hoist is convenient to disassemble.

[0031] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. An internally braced three-pronged coil basket hanger characterized by: The utility model relates to a kind of crane, including annular hanger (10), boom (20) and dog (30), the boom (20) is vertically arranged in annular hanger (10) middle and is fixedly connected between annular hanger (10) by the three groups of connecting frame (40) of circumferential array arrangement, fixedly set with upper small lower big fixed circular table (21) on the middle pole of boom (20), the boom (20) on the lower side of fixed circular table (21) is slidably sleeved with upper big lower small sliding circular table (22), the big diameter end of fixed circular table (21) and sliding circular table (22) is identical, the boom (20) on the upper side of fixed circular table (21) is slidably sleeved with sliding sleeve pipe (23), three upper connecting plates (24) and lower connecting plate (25) are peripherally arranged on the outer wall of the upper and lower ends of sliding sleeve pipe (23), the outer end of lower connecting plate (25) is rotatably provided with C-shaped clamping jaw (26) that opens inward, the bottom end of C-shaped clamping jaw (26) is inwards hook, the connecting frame (40) is provided with horizontally arranged cross shaft (41), the dog (30) is overall L-shaped, and its middle is rotatably arranged on cross shaft (41), and chain (31) is arranged between the outer end of upper connecting plate (24) and the upper end of dog (30), the two ends of chain (31) are rotatably connected with the upper end of dog (30) and the outer end of upper connecting plate (24) respectively, and the top of sliding sleeve pipe (23) is provided with lifting ring (27).

2. The internally braced three-pronged coil basket hanger of claim 1, wherein: The connecting frame (40) includes two mounting plates (42) arranged horizontally and spaced apart, the two ends of the mounting plate (42) are fixedly connected with the outer wall of the boom (20) and the inner wall of the annular hanger (10) respectively, and the cross shaft (41) is arranged between the two mounting plates (42) and close to one side of the boom (20).

3. The internally braced three-pronged coil basket hanger of claim 1, wherein: The annular hanger (10) is provided below with a guide cover (50), the guide cover (50) is fixedly installed on the connecting frame (40) at the upper end, and the outer wall of the guide cover (50) is provided with a relief hole (51) corresponding to the position of the three dogs (30), and the lower part of the dog (30) is arranged in the cavity of the guide cover (50) and corresponds to the relief hole (51).

4. An internally braced three-pronged coil basket hanger according to claim 3, characterized in that: The guide cover (50) is overall a circular table-shaped hollow cover body with upper large and lower small.

5. The internally braced three-pronged coil basket hanger of claim 1, wherein: The lower end of the boom (20) is provided below the sliding circular table (22) with a limiting clamp (28).

6. The internally braced three-pronged coil basket hanger of claim 1, wherein: The upper connecting plate (24) and the lower connecting plate (25) are arranged in a staggered manner in the horizontal projection plane.

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