Multi-roller gate eccentric shaft sleeve device and gate
By adjusting the distance between the rollers and the gate track using a multi-roller gate eccentric bushing device, the problem of inconsistent roller contact in rolling support type planar gates is solved, achieving a convenient and low-cost adjustment effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI SHUIAN CONSTR GRP CO LTD
- Filing Date
- 2025-06-20
- Publication Date
- 2026-05-12
AI Technical Summary
When the rollers of a rolling bearing type planar gate come into contact with the gate slot track, it is difficult to adjust them to the same working surface, which leads to welding deformation and machining accuracy problems.
A multi-roller gate eccentric bushing device is adopted. By setting the inner hole of the eccentric bushing eccentrically, the distance between the rollers and the gate track is adjusted, so as to achieve uniformity of the contact parts between each roller and the gate track.
It enables convenient and low-cost adjustment of the roller position, ensuring the normal use of the rolling support plane gate and reducing the difficulty of operation and implementation costs.
Smart Images
Figure CN224227745U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gate technology for water conservancy projects, and more specifically to a multi-roller gate eccentric bushing device and gate. Background Technology
[0002] Gate construction technology is a crucial aspect of water conservancy engineering. When a rolling-supported planar gate is raised or lowered, the outer circumference of the rollers on both sides of the gate maintains rolling contact with the gate slot track. Therefore, the contact points between the outer circumference of each roller and the gate slot track should be adjusted to be on the same working surface. However, due to gate welding deformation and the machining precision of the roller shaft holes, this requirement is often not met. Therefore, a convenient and feasible solution is needed for adjusting the position of the rollers on rolling-supported planar gates. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model proposes a multi-roller gate eccentric bushing device, and based on this multi-roller gate eccentric bushing device, proposes a rolling support type planar gate, which can adjust the outer circumference of each roller on each side of the gate to the part that contacts the gate slot track so that it is on the same working surface, ensuring that the use of the gate is not affected by this.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A multi-roller gate eccentric bushing device, characterized by the following structural features:
[0006] The shaft is mounted on the gate via an eccentric bushing; the gate is a rolling support type flat gate, with several rollers rotatably mounted on the shaft on both sides for cooperating with the gate slot track, and the rollers on each side of the gate are distributed vertically at intervals;
[0007] Each shaft is mounted on the gate body via a pair of eccentric bushings. The pair of eccentric bushings are symmetrically installed and coaxially pass through a pair of bushing holes pre-drilled in the gate body. One side of each shaft has a flange structure extending radially outward along the bushing body. The pair of eccentric bushings are detachably mounted on the gate body via the flange structure. The installation direction relative to the gate body is adjustable around the central axis of the bushing body in a circumferential direction. The bushing body of each eccentric bushing has an axially penetrating inner hole. The inner hole is eccentrically set relative to the bushing body and parallel to the central axis. The shaft is coaxially passed through the inner holes of the pair of eccentric bushings. Rollers are rotated and sleeved on the shafts, relying on the outer circumference of the rollers to roll in contact with the gate groove track on the side.
[0008] The structural features of this utility model also lie in:
[0009] A gap is left along the axial direction between a pair of eccentric bushings, and the roller is coaxially mounted on the shaft section exposed between the pair of eccentric bushings.
[0010] The flange structure of the eccentric bushing has multiple bushing screw holes, which are axially connected to the bushing body. The multiple bushing screw holes are distributed at equal intervals around the central axis of the bushing body in the circumferential direction. The gate body has multiple matching gate body screw holes reserved according to the position distribution of the multiple bushing screw holes and the corresponding external dimensions. A bolt is inserted between each aligned bushing screw hole and gate body screw hole. The flange structure of the eccentric bushing is fastened to the gate body by multiple bolts.
[0011] When the flange structure is disassembled from the gate body, the eccentric bushing coaxially inserted in the bushing hole can rotate; the shaft is fixedly inserted in the inner hole of a pair of eccentric bushings and is a synchronous motion component with the pair of eccentric bushings.
[0012] This utility model also proposes a gate, the structural feature of which is: the gate is a rolling support type planar gate, and multiple shafts are installed on both sides of the gate groove track through multiple sets of the above-mentioned multi-roller gate eccentric bushing devices. Rollers are rotatably sleeved on each shaft, and each roller makes rolling contact with the gate groove track on its respective side by relying on the outer circumference of the roller. The distance between the outer circumference and the gate groove track along the direction facing the gate groove track is adjustable by the multi-roller gate eccentric bushing device.
[0013] Compared with existing technologies, the beneficial effects of this utility model are reflected in:
[0014] This invention features a shaft coaxially inserted into the inner holes of a pair of eccentric bushings. Rollers, designed for rolling contact with the gate track, are coaxially mounted on the shaft. Utilizing the eccentric design of the inner holes of the eccentric bushings, the position of the rollers is adjusted by rotating the coaxially inserted bushings, thereby adjusting the distance between the rollers and the gate track. Each roller can be adjusted individually, ensuring that the contact points between each roller on each side of the gate and the gate track are on the same working surface. This invention is easy to operate and implement, providing a low-cost, convenient, and effective technical solution for adjusting the position of rollers on rolling support type planar gates. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the eccentric bushing structure;
[0017] Figure 3 This is a cross-sectional view of the eccentric bushing.
[0018] Figure 4 This is a schematic diagram of the gate structure;
[0019] Figure 5 This is a side view of the gate structure.
[0020] In the diagram, 1 is the gate; 11 is the bushing hole; 2 is the shaft; 3 is the roller; 4 is the eccentric bushing; 41 is the bushing body; 42 is the inner hole; 43 is the flange structure; 44 is the bushing screw hole; and 5 is the bolt. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0022] Please refer to Figures 1 to 3 The structure of the multi-roller gate eccentric bushing device in this embodiment is as follows:
[0023] Shaft 2 is mounted on gate 1 via eccentric bushing 41; gate 1 is a rolling support type flat gate 1, and several rollers 3 are rotatably mounted on shaft 2 on both sides for cooperating with gate slot track. The rollers 3 on each side of gate 1 are distributed vertically at intervals.
[0024] Each shaft 2 is installed on the gate body of the gate 1 through a pair of eccentric bushings 41. The pair of eccentric bushings 41 are symmetrically installed and coaxially pass through a pair of bushing holes 11 reserved on the gate body of the gate 1 through the bushing body 41. One side of the shaft 2 has a flange structure 43 extending radially outward along the bushing body 41 at its end. The pair of eccentric bushings 41 are detachably assembled on the gate body of the gate 1 through the flange structure 43. The installation direction of the bushing body 41 is adjustable in the circumferential direction around the central axis 2 of the bushing body 41 relative to the installation direction of the gate body of the gate 1. The bushing body 41 of the eccentric bushing 41 has an inner hole 42 that runs through the shaft 2. The inner hole 42 is eccentrically set relative to the bushing body 41 and parallel to the central axis 2. The shaft 2 is coaxially passed through the inner hole 42 of the pair of eccentric bushings 41. The roller 3 is rotated and sleeved on the shaft 2, and relies on the outer circumference of the roller to roll and contact the side gate groove track.
[0025] In specific implementation, the structural configuration of the multi-roller 3-gate 1-eccentric bushing 41 device also includes:
[0026] A gap is left between a pair of eccentric bushings 41 along the axis 2, and the axis 2 is exposed on the axis 2 section between the pair of eccentric bushings 41, and a roller 3 is mounted on it and rotates coaxially.
[0027] The flange structure 43 of the eccentric bushing 41 has multiple bushing screw holes 44. The bushing screw holes 44 are through the axis 2 of the bushing body 41. The multiple bushing screw holes 44 are distributed at equal intervals around the central axis 2 of the bushing body 41 in the circumferential direction. The gate body 1 has multiple matching gate body screw holes reserved according to the position distribution of the multiple bushing screw holes 44 and the corresponding external dimensions. A bolt 5 is inserted in each aligned bushing screw hole 44 and gate body screw hole. The flange structure 43 of the eccentric bushing 41 and the gate body 1 are fastened together by multiple bolts 5.
[0028] When the flange structure 43 is disassembled from the gate body 1, the eccentric bushing 41, which is coaxially 2 and passes through the bushing hole 11, can rotate; the shaft 2 is fixedly passed through the inner hole 42 of a pair of eccentric bushings 41, and is a synchronous motion component with the pair of eccentric bushings 41.
[0029] like Figure 4 and Figure 5 As shown, this embodiment also proposes a gate 1, which is a rolling support type planar gate 1. Multiple shafts 2 are installed on both sides of the gate 1 through multiple sets of the above-mentioned multi-roller 3 gate 1 eccentric bushing 41 device. Rollers 3 are rotatably sleeved on each shaft 2. Each roller 3 makes rolling contact with the gate 1 on its respective side by relying on the outer circumference of the roller. The distance between the outer circumference of the roller and the gate 1 eccentric bushing 41 device is adjustable along the direction facing the gate 1.
[0030] When the outer circumferences of each roller 3 that are in contact with the door groove track are not on the same working surface, each roller 3 can be adjusted in the following manner:
[0031] Unscrew the bolts 5 between the eccentric bushing 41 and the gate body 1, and rotate the eccentric bushing 41 that passes through the bushing hole 11. Since the inner hole 42 of the eccentric bushing 41 is eccentrically set relative to the bushing body 41, and the shaft 2, inner hole 42, and roller 3 are coaxial with the shaft 2, as the eccentric bushing 41 rotates, the roller 3 will move closer to or further away from the gate track. At this time, you can rotate the eccentric bushing 41 and observe the roller 3 until the outer circumference of the roller 3 contacts the gate track. Then, insert the bolts 5 again and tighten them to secure the eccentric bushing 41 to the gate body 1. Adjust each roller 3 in this way so that the part of the outer circumference of each roller 3 that contacts the gate track is on the same working surface.
[0032] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. An eccentric bushing device for a multi-roller gate, characterized in that: The shaft is mounted on the gate via an eccentric bushing; the gate is a rolling support type flat gate, with several rollers rotatably mounted on the shaft on both sides for cooperating with the gate slot track, and the rollers on each side of the gate are distributed vertically at intervals; Each shaft is mounted on the gate body via a pair of eccentric bushings. The pair of eccentric bushings are symmetrically installed and coaxially pass through a pair of bushing holes pre-drilled in the gate body. One side of each shaft has a flange structure extending radially outward along the bushing body. The pair of eccentric bushings are detachably mounted on the gate body via the flange structure. The installation direction relative to the gate body is adjustable around the central axis of the bushing body in a circumferential direction. The bushing body of each eccentric bushing has an axially penetrating inner hole. The inner hole is eccentrically set relative to the bushing body and parallel to the central axis. The shaft is coaxially passed through the inner holes of the pair of eccentric bushings. Rollers are rotated and sleeved on the shafts, relying on the outer circumference of the rollers to roll in contact with the gate groove track on the side.
2. The eccentric bushing device for a multi-roller gate according to claim 1, characterized in that: A gap is left along the axial direction between a pair of eccentric bushings, and the roller is coaxially mounted on the shaft section exposed between the pair of eccentric bushings.
3. The multi-roller gate eccentric bushing device according to claim 1, characterized in that: The flange structure of the eccentric bushing has multiple bushing screw holes, which are axially connected to the bushing body. The multiple bushing screw holes are distributed at equal intervals around the central axis of the bushing body in the circumferential direction. The gate body has multiple matching gate body screw holes reserved according to the position distribution of the multiple bushing screw holes and the corresponding external dimensions. A bolt is inserted between each aligned bushing screw hole and gate body screw hole. The flange structure of the eccentric bushing is fastened to the gate body by multiple bolts.
4. The multi-roller gate eccentric bushing device according to claim 1, characterized in that: When the flange structure is disassembled from the gate body, the eccentric bushing coaxially inserted in the bushing hole can rotate; the shaft is fixedly inserted in the inner hole of a pair of eccentric bushings and is a synchronous motion component with the pair of eccentric bushings.
5. A gate, characterized by: The gate is a rolling support type planar gate. Multiple shafts are installed on both sides of the gate groove track through multiple sets of multi-roller gate eccentric bushing devices as described in any one of claims 1-4. Rollers are rotatably sleeved on each shaft. Each roller makes rolling contact with the gate groove track on its respective side by relying on the outer circumference of the roller. The distance between the outer circumference of the roller and the gate groove track along the direction facing the gate groove track is adjustable by the multi-roller gate eccentric bushing device.