CN219649144U

CN219649144U - Triangle aluminum lamp post heat-fit device

Info

Publication number: CN219649144U
Application number: CN202320616465.4U
Authority: CN
Inventors: 陈忠雄
Original assignee: Beijing Olipu City Technology Co ltd
Current assignee: Beijing Olipu City Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-08
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to a triangle aluminum lamp post heat matching device, which belongs to the technical field of heat matching devices and comprises a bottom plate, wherein an air cylinder is arranged at the upper end of the bottom plate, a conversion piece is arranged behind a piston rod of the air cylinder, one end of the conversion piece, which is far away from the air cylinder, is movably inserted with a flange component, two shipment pieces are connected at the upper end of the bottom plate in a sliding manner, a placing groove is formed at the upper end of each shipment piece, an aluminum lamp post is arranged in the placing groove of each shipment piece, the end part of each aluminum lamp post is matched with the flange component, and an intermediate frequency heating device which is in contact with the aluminum lamp post is arranged above the bottom plate. The utility model has the advantages of high efficiency, high energy saving and low cost.

Description

Triangle aluminum lamp post heat-fit device

Technical Field

The utility model relates to a heat matching device for a triangular aluminum lamp post, and belongs to the technical field of heat matching devices.

Background

The road lighting lamp post is made of steel in the prior art, needs hot dip galvanization for corrosion prevention, and is not environment-friendly; the aluminum profile street lamp pole cannot be as high as 10M or more because of the characteristic that aluminum welding performance and aluminum rigidity are weaker than those of steel, otherwise, the risk of weld cracking and the lamp pole disturbance degree are not up to the standard; the aluminum is used for replacing steel, the energy-saving and environment-friendly structure is realized, and the problem that appearance, welding, anti-collision and disturbance degree do not reach the standard is successfully solved through the connection scheme of the aluminum lamp post section compound cavity structure, the internal support structure of the lamp post root and the BOM nail. But the BOM nail is forced by the facets, and has high requirements on the hardness of the aluminum surface and the strength of the aluminum alloy.

Thermal assembly is a well-established process, in which the assembly is machined to determine the exact amount of interference. However, the triangle and polygonal lamp post or cavity cannot be mechanically ensured to have accurate dimensions, and the use of heat fit is limited.

The heating is conventionally carried out by an industrial electric furnace, and the lamp post is integrally heated and assembled after expansion. The power consumption is high, and the energy is not saved; the heating, assembling and moving of large workpieces are difficult to ensure accuracy, difficult to realize, high in labor and high in cost; after the electromagnetic induction copper coil is heated and assembled, the flange of the lamp post is large in size and is difficult to withdraw.

The above is the disadvantage of polygonal lamp post BOM assembly, polygonal hot matching difficulty; summary of problems in machining large lamp poles or products with large work pieces on the pole.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a heat-fit device for a triangular aluminum lamp post.

The technical scheme for solving the technical problems is as follows: the utility model provides a triangle aluminum lamp pole hot fit device, includes the bottom plate, the bottom plate upper end is equipped with the cylinder, be equipped with the conversion piece behind the piston rod of cylinder, the one end activity grafting that the conversion piece kept away from the cylinder has flange subassembly, bottom plate upper end sliding connection has two shipment pieces, the standing groove has been seted up to shipment piece upper end, shipment piece is equipped with the aluminum lamp pole in the standing groove, aluminum lamp pole tip cooperatees with flange subassembly, the bottom plate top is equipped with the intermediate frequency heating device that offsets closely with the aluminum lamp pole.

Based on the technical scheme, the utility model can also be improved as follows:

further, intermediate frequency heating device includes mount, three flexible cylinder and three heater, and is three flexible cylinder sets up in the mount inboard, the heater includes magnetizer and copper induction coil, be equipped with the mounting panel on the piston rod of flexible cylinder, the magnetizer sets up on the mounting panel, copper induction coil sets up on the magnetizer.

Further, a cavity is formed in the aluminum lamp post, the section of the aluminum lamp post is of an asymmetric hexagon, the aluminum lamp post comprises three small faces and three large faces, and the large faces are abutted to the medium-frequency heating device.

Further, the bottom plate upper end is equipped with the cylinder platform, the cylinder sets up on the cylinder platform, the piston rod of cylinder is equipped with the pipe, the one end that the pipe kept away from the cylinder is equipped with the connecting ball.

Further, at least one first limiting block is arranged at the upper end of the cylinder platform, a second limiting block is hinged to the upper end of the first limiting block, a first limiting groove is formed in the first limiting block, and a second limiting groove communicated with the first limiting groove is formed in the second limiting block.

Further, the conversion piece comprises a hollow conversion pipe, a conversion flange and a positioning pin, wherein the conversion pipe is matched with the connecting ball, the conversion flange is arranged at one end, far away from the connecting ball, of the conversion pipe, and the positioning pin is arranged on the conversion flange.

Further, the flange assembly comprises an inner supporting sleeve and a sleeve plate, the inner supporting sleeve is connected with the sleeve plate, the sleeve plate is provided with a pin hole matched with the locating pin, and one end of the inner supporting sleeve, far away from the sleeve plate, is provided with three openings.

Further, the bottom plate upper end still is equipped with the locking platform, the locking platform includes support and locking support, the support sets up in the bottom plate upper end, the support upper end is equipped with lamp pole cross-section support, the locking support sets up in the support upper end, the locking support lower extreme is equipped with locking cylinder, locking cylinder's piston rod is equipped with the fixed plate.

Further, the lower end of the shipment piece is provided with a roller, the upper end of the bottom plate is provided with a guide rail, and the roller is provided with a rolling groove matched with the guide rail.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model realizes semi-automatic and mechanical assembly by the heat fit device of the triangular aluminum lamp post, and the adopted method for propelling the piston shaft of the cylinder at a constant speed can ensure that the flange component is assembled in the aluminum lamp post, thereby being more beneficial to detection and control when the thermal expansion is insufficient and the shape of the large lamp post is abnormal; the large workpiece is realized by improving the heating temperature and replacing qualified workpieces, and the hot matching of the workpiece which cannot be machined is realized; meanwhile, the device can apply Joule heat through the copper induction coil, so that the efficiency is high, and the energy is saved; the multiple copper induction coils are used for heating, and the position of the copper induction coils is controlled, so that the passing of the lamp post flange or a larger workpiece is realized, and the assembly line operation is realized, thereby improving the efficiency; the coils are heated, so that the interchangeability is good; meanwhile, the difficulty of the hot matching of the complex section is solved by the hot matching of a few characteristic surfaces;

2. according to the utility model, the locking table is arranged, so that the locking table can play a limiting role on the aluminum lamp post when the aluminum lamp post is in hot matching connection, and the problem of shaking of the aluminum lamp post during hot matching can be reduced, thereby ensuring the precision of hot matching and improving the qualification rate of workpieces.

Drawings

FIG. 1 is a schematic diagram of a heat-fitting device for a delta-aluminum lamp post according to an embodiment of the utility model;

FIG. 2 is a schematic view showing the structure of a cylinder according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing the structure of a conversion member according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a structure of a protruding aluminum lamp post according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a flange assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view showing the structure of a telescopic cylinder according to an embodiment of the present utility model;

FIG. 7 is a schematic view showing the structure of a shipping member according to an embodiment of the present utility model;

fig. 8 is a schematic view showing the structure of the locking stand according to the embodiment of the present utility model.

In the figure, 1, a bottom plate; 2. a cylinder platform; 21. a cylinder; 22. a conduit; 23. a connecting ball; 3. a conversion member; 31. a switching tube; 32. a conversion flange; 33. a positioning pin; 41. a first limiting block; 42. a first limit groove; 43. a second limiting block; 44. a limiting groove II; 5. a flange assembly; 51. an inner support sleeve; 52. an opening; 53. a sleeve plate; 54. a pin hole; 6. an aluminum lamp post; 61. facets; 62. large surface; 63. abdominal cavity; 7. an intermediate frequency heating device; 71. a fixing frame; 72. a telescopic cylinder; 73. a magnetizer; 74. a copper induction coil; 8. a shipping piece; 81. a roller; 82. a guide rail; 9. a locking table; 91. a bracket; 92. a lamp post section support; 93. locking the bracket; 94. locking the air cylinder; 95. and a fixing plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 and 2, a triangle aluminum lamp post heat-matching device comprises a bottom plate 1 and an air cylinder 21, wherein the upper end of the bottom plate 1 is provided with an air cylinder platform 2, the air cylinder 21 is arranged at the upper end of the air cylinder platform 2, a piston rod of the air cylinder 21 is provided with a conversion piece 3, one end of the conversion piece 3 far away from the air cylinder 21 is movably inserted with a flange component 5, the upper end of the bottom plate 1 is slidably connected with two shipment pieces 8, the upper end of the shipment piece 8 is provided with a movable inserted shipment block, the shipment block is provided with a placing groove, the shipment piece 8 is internally provided with an aluminum lamp post 6, the end of the aluminum lamp post 6 is matched with the flange component 5, an intermediate frequency heating device 7 which is abutted against the aluminum lamp post 6 is arranged above the bottom plate 1, when the aluminum lamp post 6 and the flange component 5 are required to be heat-matched and welded, the aluminum lamp post 6 is firstly arranged on the shipment piece 8, the end of the aluminum lamp post 6 is slid to the intermediate frequency heating device 7, the flange component 5 is inserted on the conversion piece 3, the piston rod of the air cylinder 21 stretches out to push the conversion piece 3 and the flange component 5 to move, and the end of the flange component 5 is enabled to be inserted into the aluminum lamp post 6, so that the intermediate frequency heating device 7 is suitable for greatly matching the flange component 5 with the aluminum lamp post 6, and the heat-matching device is greatly reduced in labor cost.

As shown in fig. 1, 2 and 3, the cylinder 21 is arranged on the cylinder platform 2, a guide pipe 22 is arranged on a piston rod of the cylinder 21, a connecting ball 23 is arranged at one end, far away from the cylinder 21, of the guide pipe 22, the conversion piece 3 comprises a hollow conversion pipe 31, a conversion flange 32 and a positioning pin 33, the conversion pipe 31 is matched with the connecting ball 23, the conversion flange 32 is arranged at one end, far away from the connecting ball 23, of the conversion pipe 31, the positioning pin 33 is arranged on the conversion flange 32, the connecting ball 23 is arranged, the conversion pipe 31 matched with the connecting ball 23 is arranged, and the flange assembly 5 is pushed to be assembled with the aluminum lamp post 6 through expansion and contraction of the piston rod of the cylinder 21, so that the limitation of each positioning direction of the system is avoided.

As shown in fig. 1, 2 and 3, at least one first limiting block 41 is arranged at the upper end of the cylinder platform 2, a second limiting block 43 is hinged to the upper end of the first limiting block 41, a first limiting groove 42 is formed in the first limiting block 41, a second limiting groove 44 communicated with the first limiting groove 42 is formed in the second limiting block 43, when a piston rod of the cylinder 21 stretches out or contracts to drive the guide pipe 22 to displace, the guide pipe 22 displaces in the first limiting groove 42 and the second limiting groove 44, the guide pipe 22 can be limited by the cooperation of the first limiting groove 42 and the second limiting groove 44, and the guide pipe 22 can move forwards through the first limiting groove 42 and the second limiting groove 44, so that the support of the piston rod and the guide pipe 22 is ensured.

As shown in fig. 1, 3, 4 and 5, the flange assembly 5 comprises an inner supporting sleeve 51 and a sleeve plate 53, the inner supporting sleeve 51 is connected with the sleeve plate 53, the sleeve plate 53 is provided with a pin hole 54 matched with the positioning pin 33, the positioning pin 33 penetrates through the pin hole 54, and the flange assembly 5 is positioned and pushed into the aluminum lamp post 6; three openings 52 are formed in one end, far away from the sleeve plate 53, of the inner support sleeve 51, the openings 52 are arranged to facilitate automatic centering adjustment when the inner support sleeve enters the aluminum lamp post 6, and the other effect of the three-face openings 52 in the end part of the inner support sleeve 51 is that: when the aluminum lamp post 6 is impacted, the generated stress concentrates to bend or break, so that the impact-resistant aluminum lamp post has buffering and preventing effects.

As shown in fig. 1 and 4, a cavity is formed in the aluminum lamp post 6, the cross section of the aluminum lamp post 6 is in an asymmetric hexagon, the aluminum lamp post 6 comprises three small surfaces 61 and three large surfaces 62, the large surfaces 62 are abutted against the intermediate frequency heating device 7, an abdominal cavity 63 is formed in the small surfaces 61, and the integral rigidity formed by the abdominal cavity 63 ensures that the shaking amount of the aluminum lamp post 6 when being subjected to wind force can meet the road lighting industry standard; the three small faces 61 of the section of the aluminum lamp post 6 are not heated, and the expansion and contraction of the three small faces 61 realize the interference fit with the matching face of the inner support sleeve 51; the three large faces 62 do not require an interference fit for the heat fit design.

As shown in fig. 1, 2 and 6, the intermediate frequency heating device 7 comprises a fixing frame 71, three telescopic air cylinders 72 and three heaters, wherein the three telescopic air cylinders 72 are arranged on the inner side of the fixing frame 71, the heaters comprise a magnetizer 73 and a copper induction coil 74, the copper induction coil 74 is a flat copper induction coil 74, a mounting plate is arranged on a piston rod of the telescopic air cylinder 72, the magnetizer 73 is arranged on the mounting plate, the copper induction coil 74 is arranged on the magnetizer 73, the magnetizer 73 and the copper induction coil are glued into a whole, magnetic force is shielded and collected, the magnetic force direction is changed to an aluminum rod surface, the copper induction coil 74 is used for heating a matching position, and heating is only 3 large surfaces 62 (without complicated shape limiting heating uniformity), and large surface 62 is utilized for thermal expansion; the resulting change in facets 61 achieves a thermal assembly with an energy saving effect. When the heater is electrified to start heating and the temperature of the 6 surface of the aluminum lamp post reaches 250 ℃, the heater reduces current and only ensures that the 6 surface of the aluminum lamp post is constant at 250 ℃; at the moment, a piston shaft of an air cylinder 21 on the air cylinder platform 2 is started to push the conversion piece 3 and the flange assembly 5 to be inserted into the aluminum lamp post 6 forwards, and continuously advances at uniform speed; when the resistance of the piston shaft of the air cylinder 21 is increased to 200kG, the operation of the piston shaft of the air cylinder 21 is stopped, meanwhile, the current of the heater is normal, the temperature of the aluminum lamp post 6 can be adjusted to 300 ℃, the resistance of the piston shaft of the air cylinder 21 is reduced, the piston of the air cylinder 21 starts to advance until the flange assembly 5 is assembled in place, when the corner connector on the flange assembly 5 contacts with the aluminum lamp post 6, the negative force is increased, the temperature reaches 300 ℃, the heater is stopped to be electrified, and the air cylinder 21 stops operating; the three-side 3 heaters are utilized, the distance between the heaters and the lamp post can be adjusted through the telescopic cylinder 72, and the flange assembly 5 (or larger workpiece) on the aluminum lamp post 6 is opened, so that the smoothness of the working procedure is ensured.

As shown in fig. 1 and 7, the lower end of the shipment piece 8 is provided with a roller 81, the upper end of the bottom plate 1 is provided with a guide rail 82, the roller 81 is provided with a rolling groove matched with the guide rail 82, and when the aluminum lamp post 6 is placed in the placing groove of the shipment piece 8, the aluminum lamp post 6 is conveniently transported to a hot matching station through the guide rail 82 and the rolling groove; when the aluminum lamp posts 6 with different sizes are required to be subjected to hot matching processing, the shipment blocks provided with the placing grooves with different sizes can be replaced, so that the aluminum lamp posts 6 with different sizes can be conveniently shipped.

As shown in fig. 1 and 8, the upper end of the bottom plate 1 is further provided with a locking table 9, the locking table 9 comprises a bracket 91 and a locking bracket 93, the bracket 91 is arranged at the upper end of the bottom plate 1, the upper end of the bracket 91 is movably connected with a lamp post section bracket 92, when the aluminum lamp post 6 with different sizes is compressed, the lamp post section bracket 92 with different sizes can be replaced, the locking bracket 93 is arranged at the upper end of the bracket 91, the lower end of the locking bracket 93 is provided with a locking cylinder 94, a piston rod of the locking cylinder 94 is provided with a fixed plate 95, when the aluminum lamp post 6 with different sizes is compressed, the fixed plate 95 with different sizes can be replaced, when the aluminum lamp post 6 is placed on the lamp post section bracket 92, the locking cylinder 94 drives the fixed plate 95 to be pressed down, under the cooperation of the lamp post section bracket 92, the limiting compression of the aluminum lamp post 6 can be realized, after the hot assembly is completed, the piston rod of the locking cylinder 94 is contracted, and the aluminum lamp post 6 is driven by the shipment piece 8 to exit from the hot working and the working area.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A triangle aluminum lamp pole hot fitting device which is characterized in that: including bottom plate (1), bottom plate (1) upper end is equipped with cylinder (21), be equipped with conversion piece (3) behind the piston rod of cylinder (21), conversion piece (3) keep away from the one end activity grafting of cylinder (21) and have flange subassembly (5), bottom plate (1) upper end sliding connection has two shipment pieces (8), the standing groove has been seted up to shipment piece (8) upper end, shipment piece (8) are equipped with aluminium lamp pole (6) in the standing groove, aluminium lamp pole (6) tip cooperatees with flange subassembly (5), bottom plate (1) top is equipped with intermediate frequency heating device (7) near with aluminium lamp pole (6) offset.

2. The delta aluminum lamp post heat fitting device according to claim 1, wherein: intermediate frequency heating device (7) include mount (71), three telescopic cylinder (72) and three heater, and is three telescopic cylinder (72) set up in mount (71) inboard, the heater includes magnetizer (73) and copper induction coil (74), be equipped with the mounting panel on the piston rod of telescopic cylinder (72), magnetizer (73) set up on the mounting panel, copper induction coil (74) set up on magnetizer (73).

3. The delta aluminum lamp post heat fitting device according to claim 1, wherein: the aluminum lamp post (6) is internally provided with a cavity, the section of the aluminum lamp post (6) is in an asymmetric hexagon, the aluminum lamp post (6) comprises three small faces (61) and three large faces (62), and the large faces (62) are propped against the medium-frequency heating device (7).

4. The delta aluminum lamp post heat fitting device according to claim 1, wherein: the air cylinder device is characterized in that an air cylinder platform (2) is arranged at the upper end of the bottom plate (1), an air cylinder (21) is arranged on the air cylinder platform (2), a guide pipe (22) is arranged on a piston rod of the air cylinder (21), and a connecting ball (23) is arranged at one end, far away from the air cylinder (21), of the guide pipe (22).

5. The delta aluminum lamp post heat fitting device according to claim 4, wherein: the air cylinder platform is characterized in that at least one first limiting block (41) is arranged at the upper end of the air cylinder platform (2), a second limiting block (43) is hinged to the upper end of the first limiting block (41), a first limiting groove (42) is formed in the first limiting block (41), and a second limiting groove (44) communicated with the first limiting groove (42) is formed in the second limiting block (43).

6. The delta aluminum lamp post heat fitting device according to claim 4, wherein: the conversion piece (3) comprises a hollow conversion pipe (31), a conversion flange (32) and a positioning pin (33), wherein the conversion pipe (31) is matched with the connecting ball (23), the conversion flange (32) is arranged at one end, far away from the connecting ball (23), of the conversion pipe (31), and the positioning pin (33) is arranged on the conversion flange (32).

7. The delta aluminum lamp post heat fitting device according to claim 6, wherein: the flange assembly (5) comprises an inner supporting sleeve (51) and a sleeve plate (53), the inner supporting sleeve (51) is connected with the sleeve plate (53), a pin hole (54) matched with the locating pin (33) is formed in the sleeve plate (53), and three openings (52) are formed in one end, far away from the sleeve plate (53), of the inner supporting sleeve (51).

8. The delta aluminum lamp post heat fitting device according to claim 1, wherein: the novel lamp is characterized in that a locking table (9) is further arranged at the upper end of the bottom plate (1), the locking table (9) comprises a support (91) and a locking support (93), the support (91) is arranged at the upper end of the bottom plate (1), a lamp post section support (92) is arranged at the upper end of the support (91), the locking support (93) is arranged at the upper end of the support (91), a locking cylinder (94) is arranged at the lower end of the locking support (93), and a fixing plate (95) is arranged on a piston rod of the locking cylinder (94).

9. The delta aluminum lamp post heat fitting device according to claim 1, wherein: the lower end of the shipment piece (8) is provided with a roller (81), the upper end of the bottom plate (1) is provided with a guide rail (82), and the roller (81) is provided with a rolling groove matched with the guide rail (82).