CN220510690U - Metal bridge structure convenient to adjust height - Google Patents

Abstract

The utility model discloses a metal bridge structure convenient to adjust the height, and relates to the field of metal bridges. According to the utility model, when the motor is started, the screw rod is driven to rotate through the rotating shaft, and the screw rod is matched with the screw sleeve, so that the metal bridge is lifted along the height direction of the screw rod, the bus duct is conveniently arranged on the upper surface of the metal bridge when the metal bridge is lowered, the metal bridge is lifted after the bus duct is arranged, then the bus ducts at high positions are spliced and assembled, the metal bridge is fixed with the ground through the base at the bottom, the time and risk of high-altitude operation are reduced, and the safety is high.

Description

Metal bridge structure convenient to adjust height

Technical Field

The utility model relates to the field of metal bridge frames, in particular to a metal bridge frame structure with convenient height adjustment.

Background

The metal bridge can be used as a support of the bus duct, when the bus duct needs to be arranged at a high place, the metal bridge is fixed on a wall body, and the bus duct is placed on the metal bridge, but because the bus duct is higher in position distribution, the metal bridge needs to be fixed on the wall body first, then the bus duct is carried to the high place and then fixed on the metal bridge, safety accidents easily occur in the carrying process, and the carrying process is more laborious.

Therefore, it is necessary to provide a metal bridge structure with convenient height adjustment to solve the above problems.

Disclosure of Invention

The utility model aims to provide a metal bridge structure with convenient height adjustment so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a convenient height-adjusting's metal bridge structure, includes the base, the upper surface middle part fixed mounting of base has the motor, fixedly connected with lead screw in the pivot of motor upper end, the top of base is provided with metal bridge, the fixed silk cover that is provided with in middle part of metal bridge, the cooperation is connected between lead screw and the silk cover, be provided with the guiding hole on the metal bridge, the upper surface fixed of base is provided with the guide bar, the guide bar activity passes the guiding hole setting, the guide bar is provided with two about the motor symmetry, surface mounting has the bus duct on the metal bridge.

Preferably, the lead screw includes a plurality of first splicing rods of concatenation from top to bottom, and the upper end of first splicing rod is provided with first screw hole, and the lower extreme is integrative to be provided with first body of rod, the lower extreme of first body of rod is integrative to be provided with the screw thread section, the diameter of screw thread section is greater than the diameter of first body of rod, is provided with flexible chamber in the inside layer structure of first splicing rod upper end, the one end in flexible chamber passes through gas pocket and outside intercommunication, and the other end in flexible chamber is through stretching out the inside intercommunication of groove and first screw hole, slide in the flexible chamber and be provided with spacing plectane, spacing plectane is close to the fixed spacing post that is provided with in one end of first body of rod, spacing post activity is passed and is stretched out the inside of groove and stretched into first screw hole, spacing post stretches into the inside one end of first screw thread section upper surface is blocked, the one side that the flexible chamber was kept away from first body of rod is fixed to be provided with the spring, the tip and spacing plectane are kept away from between the middle part of spacing post of fixing.

Preferably, a valve core is arranged in the air hole.

Preferably, the diameter of the limiting circular plate is larger than that of the limiting column, and the diameter of the extending groove is matched with that of the limiting column.

Preferably, the guide rod comprises a plurality of second splicing rods spliced up and down, the upper ends of the second splicing rods are provided with second threaded holes, the lower ends of the second splicing rods are integrally provided with second threaded rods, and when the upper and lower adjacent second splicing rods are spliced, the second threaded rods at the lower ends of the upper second splicing rods are connected in the second threaded holes at the upper ends of the lower second splicing rods through threaded fit.

The utility model has the technical effects and advantages that:

1. when the motor is started, the screw rod is driven to rotate through the rotating shaft, and the screw rod is matched with the screw sleeve, so that the metal bridge is lifted along the height direction of the screw rod, the bus duct is conveniently arranged on the upper surface of the metal bridge when the metal bridge is lowered, the metal bridge is lifted after the bus duct is arranged, then the bus ducts at high positions are spliced and assembled, the metal bridge is fixed between the base at the bottom and the ground, the time and risk of high-altitude operation are reduced, and the safety is high;

2. the screw rod is composed of a plurality of first splicing rods, so that the metal bridge frame can be spliced into a proper height according to actual requirements, the lifting stroke of the metal bridge frame is increased, and a mode of using an electric push rod and the like to have a shorter stroke is replaced;

3. when the adjacent first splicing rods are spliced, the thread section at the lower end of one first splicing rod at the upper part is connected in the first threaded hole at the upper end of one first splicing rod at the lower part through thread rotation, then the air hole is inflated, so that gas enters the telescopic cavity to push the limiting circular plate to move towards the direction close to the first rod body, when the limiting column is attached to the upper surface of the thread section, limiting and fixing between the upper first splicing rod and the lower first splicing rod are completed, when the limiting column is detached, air is discharged from the valve core, the limiting circular plate is pulled by the spring to enable the limiting column to reset, at the moment, the upper first splicing rod and the lower first splicing rod are detachable, splicing between the upper first splicing rod and the lower first splicing rod is achieved, no protruding structure exists between the upper splicing rod and the lower splicing rod, and the matched transmission between the screw rod and the screw sleeve is not affected.

Drawings

Fig. 1 is a schematic structural diagram of a metal bridge structure with convenient height adjustment.

Fig. 2 is a schematic diagram of the structure of the screw rod of the present utility model.

Fig. 3 is a schematic view of the guide rod structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a motor; 3. a screw rod; 4. a silk sleeve; 5. a metal bridge; 6. a guide hole; 7. a guide rod; 8. bus duct; 9. a first threaded hole; 10. a second threaded hole; 11. a second threaded rod; 12. a first rod body; 13. a threaded section; 14. extending out of the groove; 15. a limit circular plate; 16. a limit column; 17. a spring; 18. a valve core; 19. air holes; 20. a telescopic chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a metal bridge structure convenient for height adjustment, as shown in fig. 1-4, which comprises a base 1, wherein a motor 2 is fixedly arranged in the middle of the upper surface of the base 1, a screw rod 3 is fixedly connected to a rotating shaft at the upper end of the motor 2, a metal bridge 5 is arranged above the base 1, a wire sleeve 4 is fixedly arranged in the middle of the metal bridge 5, the screw rod 3 is in matched connection with the wire sleeve 4, a guide hole 6 is arranged on the metal bridge 5, guide rods 7 are fixedly arranged on the upper surface of the base 1, the guide rods 7 movably penetrate through the guide hole 6, two guide rods 7 are symmetrically arranged on the motor 2, a bus groove 8 is fixedly arranged on the upper surface of the metal bridge 5, the screw rod 3 is driven to rotate through the rotating shaft when the motor 2 is started, the screw rod 3 is matched with the wire sleeve 4, so that the metal bridge 5 is lifted along the height direction of the screw rod 3, the bus groove 8 is conveniently arranged on the upper surface of the metal bridge 5 when the metal bridge 5 is lowered, the bus groove 8 is then lifted, a plurality of bus grooves 8 at a high position are assembled, the bus bridge 5 is spliced together, and the safety risk is reduced through the high-level operation between the base 1 and the ground.

The screw rod 3 comprises a plurality of first splicing rods spliced up and down, a first threaded hole 9 is formed in the upper end of each first splicing rod, a first rod body 12 is integrally formed in the lower end of each first rod body 12, a threaded section 13 is integrally formed in the lower end of each first rod body 12, the diameter of each threaded section 13 is larger than that of each first rod body 12, a telescopic cavity 20 is formed in the inner layer structure of the upper end of each first splicing rod, one end of each telescopic cavity 20 is communicated with the outside through an air hole 19, the other end of each telescopic cavity 20 is communicated with the inside of each first threaded hole 9 through an extending groove 14, a limiting circular plate 15 is slidably arranged in each telescopic cavity 20, a limiting column 16 is fixedly arranged at one end, close to the first rod body 12, of each limiting circular plate 15, and penetrates through the extending grooves 14 and extends into the inside of each first threaded hole 9, one end, extending into each limiting column 16, of each limiting column is blocked on the upper surface of each threaded section 13, a spring 17 is fixedly arranged on one surface, far away from each first rod body 12, of each spring 17, and one surface, far away from each limiting circular plate 15, of each limiting column 16 is fixedly arranged between one surface, far away from each limiting column 16; the air hole 19 is provided with a valve core 18; the diameter of the limit circular plate 15 is larger than that of the limit column 16, and the diameter of the extending groove 14 is matched with that of the limit column 16; based on lead screw 3 comprises a plurality of first splicing bars, can splice into suitable height according to actual demand for the stroke that metal bridge 5 risen increases to some extent, has replaced the mode that uses modes such as electric putter stroke short.

Further, when the adjacent first splicing rods are spliced, the threaded section 13 at the lower end of one first splicing rod above is connected in the first threaded hole 9 at the upper end of one first splicing rod below through threaded rotation, then the air hole 19 is inflated at the moment, so that air enters the telescopic cavity 20 to push the limiting circular plate 15 to move towards the direction close to the first rod body 12, limiting and fixing between the upper first splicing rod and the lower first splicing rod are completed when the limiting column 16 is attached to the upper surface of the threaded section 13, when the limiting column is detached, air is discharged from the valve core 18, the spring 17 pulls the limiting circular plate 15 to reset the limiting column 16, at the moment, the upper first splicing rod and the lower first splicing rod can be detached, splicing between the upper first splicing rod and the lower first splicing rod is achieved, a protruding structure is not arranged between the upper splicing rod and the lower splicing rod, and the matched transmission between the screw rod 3 and the screw sleeve 4 is not affected.

Wherein, guide bar 7 includes the second splicing rod of concatenation from top to bottom, the upper end of second splicing rod is provided with second screw hole 10, the lower extreme of second splicing rod is integrative to be provided with second threaded rod 11, when splice mutually between the upper and lower adjacent second splicing rod, the second threaded rod 11 of an upper second splicing rod lower extreme passes through screw-thread fit connection in the second screw hole 10 of a second splicing rod upper end in the below, when metal bridge 5 goes up and down, guide bar 7 plays stable effect to metal bridge 5, can be provided with a plurality of guide bars 7 according to actual demand, so that the support of metal bridge 5 more stable in the eminence.

Claims (5)

1. The utility model provides a metal bridge structure of convenient height-adjusting, includes base (1), its characterized in that: the utility model discloses a motor, including base (1), upper surface middle part fixed mounting of base (1) has motor (2), fixedly connected with lead screw (3) in the pivot of motor (2) upper end, the top of base (1) is provided with metal bridge (5), the fixed silk cover (4) that is provided with in middle part of metal bridge (5), cooperation between lead screw (3) and silk cover (4) is connected, be provided with guiding hole (6) on metal bridge (5), the upper surface fixed of base (1) is provided with guiding rod (7), guiding rod (7) activity passes guiding hole (6) and sets up, guiding rod (7) are provided with two with motor (2) symmetry, surface mounting has bus duct (8) on metal bridge (5).

2. The metal bridge structure of claim 1, wherein the height is convenient to adjust, and further comprising: the screw rod (3) is including a plurality of first splicing rods of concatenation from top to bottom, and the upper end of first splicing rod is provided with first screw hole (9), and the lower extreme is integrative to be provided with first body of rod (12), the lower extreme of first body of rod (12) is integrative to be provided with screw thread section (13), the diameter of screw thread section (13) is greater than the diameter of first body of rod (12), is provided with flexible chamber (20) in the inside layer structure of first splicing rod upper end, the one end of flexible chamber (20) is through gas pocket (19) and outside intercommunication, and the other end of flexible chamber (20) is through stretching out the inside intercommunication of groove (14) and first screw hole (9), slide in flexible chamber (20) and be provided with spacing plectane (15), the one end that spacing plectane (15) is close to first body of rod (12) is fixed to be provided with spacing post (16), spacing post (16) activity is passed and is stretched into the inside of first screw hole (9), the one end that stretches into first screw hole (9) inside stops on screw thread section (13), spacing between the one side (17) is kept away from to spacing spring (17) and fixed between the one side of body of rod (20).

3. The metal bridge structure of claim 2, wherein the height is convenient to adjust, and further comprising: a valve core (18) is arranged in the air hole (19).

4. The metal bridge structure of claim 2, wherein the height is convenient to adjust, and further comprising: the diameter of the limiting circular plate (15) is larger than that of the limiting column (16), and the diameter of the extending groove (14) is matched with that of the limiting column (16).

5. The metal bridge structure of claim 1, wherein the height is convenient to adjust, and further comprising: the guide rod (7) comprises a plurality of second splicing rods spliced up and down, the upper ends of the second splicing rods are provided with second threaded holes (10), the lower ends of the second splicing rods are integrally provided with second threaded rods (11), and when the upper and lower adjacent second splicing rods are spliced, the second threaded rods (11) at the lower ends of the upper second splicing rods are connected into the second threaded holes (10) at the upper ends of the lower second splicing rods through threaded fit.