Horizontal wheel structure of anti-falling bracket of suspension bridge

Abstract

The utility model relates to the technical field of horizontal wheels, in particular to a horizontal wheel structure of an anti-falling bracket of a suspension bridge, which comprises a shaft, the bottom of the shaft is arranged to be step-shaped, a bearing retainer ring, a bearing pack, a spacer bush and a shaft sleeve are sequentially sleeved on the outer side of the shaft from bottom to top, an outer spacer ring is sleeved on the outer side of the bearing pack, and a wheel body is sleeved on the outer side of the outer spacer ring. An upper end cover is arranged on the upper portion of the wheel body and sleeved on the spacer bush, an eccentric bush is sleeved on the outer side of the shaft sleeve, an external thread is arranged at the upper end of the outer side of the shaft, a fastening nut is in threaded connection with the external thread, and the fastening nut abuts against the upper portion of the eccentric bush. The horizontal wheel has the advantages that the horizontal wheel structure is integrally arranged, the shaft is arranged to be in a step shape, the size of a shaft body can be reduced, installation is more convenient, the requirement for bearing radial loads, one-way axial loads and axial loads in any direction can be met by adopting the four-point contact ball bearing and the self-aligning roller bearing, and the horizontal wheel structure is simple in structure and convenient to use. The use requirement of the horizontal wheel is met, and the overall use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to horizontal wheel technical field, concretely relates to a horizontal wheel structure of anti -falling bracket of suspension bridge. BACKGROUND

[0002] The shore bridge is the main mechanical equipment for the container loading and unloading operation along the shore, and its loading and unloading function is realized through the movement of the trolley mechanism along the beam direction and the upward and downward movement of the lifting mechanism. The trolley of the shore bridge is mainly responsible for supporting the steel wire rope of the lifting trolley of the shore bridge to prevent the steel wire rope from being too loose during operation and causing accidents. The trolley is pulled by the trolley of the shore bridge. In order to ensure that the trolley does not deviate, the trolley is corrected in direction by multiple horizontal wheels. The traditional horizontal wheel of the trolley of the shore bridge can basically meet the use requirements of the people.

[0003] However, the existing horizontal wheel device generally uses a tapered roller bearing as the bearing. This type of bearing has certain advantages. The roller is conical, and the conical shape has a certain angle, so it can easily bear loads in various directions. It can better bear axial thrust and radial load than spherical, cylindrical and needle roller bearings. However, in some cases, it cannot bear dynamic misalignment load, so it cannot adjust the dynamic misalignment load like a self-aligning roller bearing. Once the trolley mechanism wheel deviates or the wheel is out of round, the horizontal wheel will be difficult to move up and down, which will easily cause damage to the horizontal wheel bearing and further cause the wheel body to fall off, causing high-altitude falling objects and other safety accidents.

[0004] In view of the above problems that the existing horizontal wheel device cannot bear dynamic misalignment load and is prone to cause the wheel body to fall off and further cause high-altitude falling objects, a horizontal wheel structure of an anti-falling bracket of a suspension bridge is urgently needed. SUMMARY

[0005] The utility model proposes a horizontal wheel structure of an anti-falling bracket of a suspension bridge to solve the above problems in view of the problem that the current horizontal wheel device cannot bear dynamic misalignment load and is prone to cause the wheel body to fall off and further cause high-altitude falling objects.

[0006] The utility model discloses a technical scheme that a kind of horizontal wheel structure of suspension bridge anti-falling bracket is achieved to the above-mentioned purpose, including shaft, the bottom of shaft is arranged as ladder, the outside of shaft is successively sleeved with bearing retainer, bearing set, spacer sleeve and shaft sleeve from below to above, the outside of bearing set is sleeved with outer spacer ring, the outside of outer spacer ring is sleeved with wheel body, the upper portion of wheel body is provided with upper end cover, and upper end cover is sleeved on spacer sleeve, the outside of shaft sleeve is sleeved with eccentric sleeve, the outside upper end of shaft is provided with external thread, and fastening nut is threadedly connected on external thread, and the upper portion of fastening nut and eccentric sleeve abuts, when using, the horizontal wheel structure adopts integrated arrangement, and shaft is arranged as ladder, can reduce shaft size, install more conveniently, by setting bearing set, radial load and one-way axial load and axial load in any direction can be supported, meet the use demand of horizontal wheel, simultaneously, by setting eccentric sleeve, on the one hand, the original assembly size needs are met, on the other hand, the eccentric adjustable function of its horizontal wheel is met, overall use effect is good, and practicality is strong.

[0007] Further, the inside of the shaft is provided with an oil channel, and an oil injection nozzle is installed at the top of the oil channel. The oil injection nozzle can inject lubricating oil into the oil channel, thereby providing lubrication for the horizontal wheel.

[0008] Further, the fastening nut adopts a double-nut structure, which further enhances the fixing effect and effectively prevents the wheel shaft from falling.

[0009] Further, the diameter of the shaft is 50 mm, and the diameter of the bottom step is 60 mm.

[0010] Further, the bearing retainer is in the shape of a Chinese character "K", the bottom of the bearing retainer abuts against the upper part of the bottom step of the shaft, and the upper part of the bearing retainer abuts against the bottom of the bearing set. By arranging the bottom step of the shaft, the bearing retainer abuts against the bottom step, without the need for a bearing end cover or other detachable connecting parts, which avoids loosening of the connecting parts due to vibration and thus prevents the wheel shaft from falling.

[0011] Further, the bearing set adopts a four-point contact ball bearing and a self-aligning roller bearing, which can meet the requirements of bearing radial load and one-way axial load and axial load in any direction.

[0012] Further, cavities for retaining lubricating oil are arranged between the upper end cover and the wheel body and between the bearing retainer and the bearing set. The lubricating oil retained in the cavities can seal the gaps, effectively isolating external moisture and dust and increasing the service life of the horizontal wheel.

[0013] The utility model has the advantages of:

[0014] The horizontal wheel structure is arranged integrally, the shaft is arranged in a stepped shape, the shaft size can be reduced, installation is more convenient, the four-point contact ball bearing and the self-aligning roller bearing can meet the requirements of bearing radial load, one-way axial load and axial load in any direction, the use requirements of the horizontal wheel are met, meanwhile, the eccentric sleeve meets the requirements of the original assembly size and the eccentric adjustable function of the horizontal wheel, the overall use effect is good, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the present application, the drawings needed to be used in the description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0016] Fig. 1 It is a front view structural schematic diagram of the present application.

[0017] Fig. 2 It is a structural schematic diagram of the bearing retainer ring of the present application.

[0018] Fig. 3 It is a structural schematic diagram of the shaft of the present application.

[0019] In the drawing: 1, shaft; 2, fastening nut; 3, bearing retainer ring; 4, wheel body; 5, outer spacer ring; 6, upper end cover; 7, spacer sleeve; 8, bearing set; 9, shaft sleeve; 10, eccentric sleeve; 11, oil channel; 12, external thread; 13, oil injection nozzle. DETAILED DESCRIPTION

[0020] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical scheme of the present application will be described clearly and completely in combination with the drawings in the specific embodiments, obviously, the following described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present patent.

[0021] As Figs. 1-3As shown, in the embodiment, the utility model discloses including shaft 1, the bottom of shaft 1 is arranged to be stepped, the diameter of shaft 1 is 50mm, the diameter of bottom step is 60mm, the outside of shaft 1 is successively sleeved with bearing baffle 3, bearing set 8, spacer sleeve 7 and shaft sleeve 9 from below to above, bearing baffle 3 is in the shape of a convex letter, the bottom of bearing baffle 3 and the upper portion of bottom step of shaft 1 abut, the upper portion of bearing baffle 3 and the bottom of bearing set 8 abut, by setting bottom step of shaft 1, make bearing baffle 3 and bottom step abut, do not need to adopt bearing end cover and other detachable connecting pieces to connect, avoid the connecting piece loosening caused by vibration, and then cause the situation of wheel axle falling, bearing set 8 adopts four-point contact ball bearing and self-aligning roller bearing, by adopting four-point contact ball bearing and self-aligning roller bearing can satisfy the demand of bearing radial load and one-way axial load and axial load in any direction, the outside of bearing set 8 is sleeved with outer spacer ring 5, the outside of outer spacer ring 5 is sleeved with wheel body 4, the upper portion of wheel body 4 is provided with upper end cover 6, and the cavity for retaining lubricating oil is arranged between upper end cover 6 and wheel body 4 and between bearing baffle 3 and bearing set 8, the cavity inside is retained lubricating oil can be sealed to the gap through lubricating oil, effectively isolates the water vapor and dust of outside, increases the service life of horizontal wheel.

[0022] Upper end cover 6 is sleeved on spacer sleeve 7, the outside of shaft sleeve 9 is sleeved with eccentric sleeve 10, the outside upper end of shaft 1 is provided with external thread 12, the external thread 12 is threadedly connected with fastening nut 2, the fastening nut 2 abuts with the upper portion of eccentric sleeve 10, the fastening nut 2 adopts double nut structure, further enhances the fixing effect through double nut structure, can effectively prevent the wheel axle from falling, the inside of shaft 1 is provided with oil channel 11, the top of oil channel 11 is provided with oil injection nozzle 13, the inside of oil channel 11 can be filled with lubricating oil through oil injection nozzle 13, provides lubrication for horizontal wheel, when using, the horizontal wheel structure adopts integrated arrangement, and the shaft 1 is arranged to be stepped, can reduce the size of shaft 1, installation is more convenient, through setting bearing set 8, can bear radial load and one-way axial load and axial load in any direction, satisfy the use demand of horizontal wheel, simultaneously, through setting eccentric sleeve 10, on the one hand satisfy the original assembly size needs, on the other hand satisfy the eccentric adjustable function of horizontal wheel, the overall use effect is good, and the practicality is strong.

[0023] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A horizontal wheel structure of a suspension bridge anti-falling bracket, comprising a shaft (1), characterized in that, The bottom of the shaft (1) is arranged in a stepped manner, and the outer side of the shaft (1) is sequentially sleeved with a bearing retainer (3), a bearing set (8), a spacer sleeve (7) and a shaft sleeve (9) from bottom to top, the outer side of the bearing set (8) is sleeved with an outer spacer ring (5), the outer side of the outer spacer ring (5) is sleeved with a wheel body (4), the upper portion of the wheel body (4) is provided with an upper end cover (6), the upper end cover (6) is sleeved on the spacer sleeve (7), the outer side of the shaft sleeve (9) is sleeved with an eccentric sleeve (10), the outer side of the upper end of the shaft (1) is provided with an external thread (12), the external thread (12) is threadedly connected with a fastening nut (2), and the fastening nut (2) abuts against the upper portion of the eccentric sleeve (10).

2. The horizontal wheel structure of the suspension bridge fall-preventing carrier according to claim 1, characterized in that, The inside of the shaft (1) is provided with an oil channel (11), and the top of the oil channel (11) is provided with an oil injection nozzle (13).

3. The horizontal wheel structure of the suspension bridge fall-preventing carrier according to claim 1, characterized in that, The fastening nut (2) adopts a double-nut structure.

4. The horizontal wheel structure of the suspension bridge fall-preventing carrier according to claim 1, characterized in that, The diameter of the shaft (1) is 50 mm, and the diameter of the bottom step is 60 mm.

5. The horizontal wheel structure of the suspension bridge fall-preventing carrier according to claim 4, characterized in that, The bearing retainer (3) is in the shape of a Chinese character "N", the bottom of the bearing retainer (3) abuts against the upper portion of the bottom step of the shaft (1), and the upper portion of the bearing retainer (3) abuts against the bottom of the bearing set (8).

6. The horizontal wheel structure of the suspension bridge fall-preventing bracket according to claim 1, characterized in that, The bearing set (8) adopts four-point contact ball bearings and self-aligning roller bearings.

7. The horizontal wheel structure of the suspension bridge fall-preventing bracket according to claim 1 or 5, characterized in that, Cavities for retaining lubricating oil are arranged between the upper end cover (6) and the wheel body (4) and between the bearing retainer (3) and the bearing set (8).

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