Rail trolley guide wheel and assembly mechanism
By connecting the limit wheel sliding seat and spring inside the limit wheel seat, combined with the design of guide block and guide groove, the problem of instability of guide wheel on arc track is solved, and stable sliding and adaptability of guide wheel on arc track are realized.
Patent Information
- Application Number
- CN202423273238.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The guide wheels of existing rail logistics trolleys are unstable on curved tracks and cannot adapt to the requirements of tracks with different shapes.
The design employs a limit wheel sliding seat and spring connection within the limit wheel seat, combined with the design of guide blocks and guide grooves, to ensure that the limit wheel slides adaptively on the arc track. Stability is improved through the connection of studs and springs.
It achieves stable sliding of the guide wheel on the arc track, has wide adaptability, meets the requirements of different track shapes, and improves the sliding stability of the rail logistics trolley.
Smart Images

Figure CN223547048U_ABST
Abstract
Description
Technical Field
[0001] This utility model mainly relates to the field of track equipment technology, specifically to a guide wheel and assembly mechanism for a track trolley. Background Technology
[0002] Currently, rail-guided logistics carts play an important role in factories, warehouses, and other places for the rapid handling and automated management of goods. Especially in industries such as electronics, machinery, chemicals, and automobiles, rail-guided carts have become indispensable logistics equipment. They can achieve long-distance, large-volume, and efficient transportation of goods, significantly improving production efficiency. In commonly used logistics carts, the distance between the two guide wheels is fixed. When the track is curved, the span between the two wheels changes, resulting in a gap difference and causing wheel instability. Based on this, and in order to meet the diversified development of the market, a guide wheel and assembly mechanism for rail-guided carts is proposed. Utility Model Content
[0003] 1. The technical problem to be solved by the utility model:
[0004] This utility model provides a guide wheel and assembly mechanism for a track trolley to solve the technical problems existing in the background art.
[0005] 2. Technical Solution:
[0006] To achieve the above objectives, the technical solution of this utility model is as follows:
[0007] The guide wheel of the track trolley includes a limiting wheel seat, a limiting wheel sliding seat is provided in the limiting wheel seat, a limiting wheel adapted to slide in the limiting wheel sliding seat is rotatably provided in the limiting wheel sliding seat, a plurality of studs are provided at one end of the limiting wheel seat, the studs pass through the limiting wheel seat and are connected to a spring, and the other end of the spring is connected to the limiting wheel sliding seat.
[0008] A further improvement is that: the surface of the limiting wheel seat is provided with a guide plate, the guide plate is provided with a guide block passing through the limiting wheel seat, and the sliding seat of the limiting wheel is provided with a guide groove that matches the guide block.
[0009] A further improvement is that the guide plate is locked to the surface of the limit wheel seat by multiple locking elements.
[0010] This utility model also provides a guide wheel assembly mechanism for a track trolley, which is set on a corresponding frame bracket. The assembly mechanism includes multiple guide wheels set on the outside of the frame bracket and corresponding to the guide rail. Each guide wheel includes a limiting wheel seat set on the outside of the frame bracket. A limiting wheel sliding seat is provided in the limiting wheel seat for limiting sliding. A limiting wheel that is adapted to slide on the guide rail is rotatably provided in the limiting wheel sliding seat. A plurality of studs are provided at one end of the limiting wheel seat. The studs pass through the limiting wheel seat and are connected to a spring. The other end of the spring is connected to the limiting wheel sliding seat.
[0011] A further improvement is that: the surface of the limiting wheel seat is provided with a guide plate, the guide plate is provided with a guide block passing through the limiting wheel seat, and the limiting wheel sliding seat is provided with a guide groove that matches the guide block.
[0012] A further improvement is that the guide plate is locked to the surface of the limit wheel seat by multiple locking elements.
[0013] 3. Beneficial effects:
[0014] Compared with the prior art, the technical solution provided by this utility model has the following advantages:
[0015] The limiting wheel provided by this utility model can adaptably slide along the arc-shaped track under the action of spring tension and guide block when the guide rail is an arc-shaped track, thus meeting the requirements of different track shapes and having wide adaptability. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This utility model Figure 1 Internal structure diagram;
[0018] Figure 3 This is a schematic diagram showing the connection relationship of the guide rails in this utility model;
[0019] Figure 4 This is a schematic diagram showing the connection relationship of the guide rail of this utility model from another angle;
[0020] Figure 5 This is a schematic diagram of the assembly mechanism of this utility model;
[0021] Figure 6 This is a schematic diagram of the guide wheel structure of this utility model;
[0022] Figure 7 This is a schematic diagram of the guide wheel of this utility model in its disassembled state.
[0023] Figure 8 This is a schematic diagram of the connection relationship of the support frame of this utility model;
[0024] Figure 9 This is a layout diagram of the surface mounting of the support frame of this utility model;
[0025] Figure 10 This is a schematic diagram of the adjustment mechanism of this utility model;
[0026] Figure 11 This is a schematic diagram of the disassembled state of the adjustment structure of this utility model;
[0027] Figure 12 This is a schematic diagram of the double-belt pulley structure of this utility model;
[0028] Figure 13 This is a cross-sectional view of the double-belt pulley of this utility model;
[0029] Figure 14 This is a schematic diagram showing the installation of two sets of belts on the double-belt pulley of this utility model;
[0030] Figure 15 This is a schematic diagram of a multi-functional track logistics trolley applied to an arc track.
[0031] Figure label:
[0032] 1-Guide rail; 2-Frame bracket; 3-Connecting frame; 4-Support frame; 5-Sling transmission mechanism; 51-Dual-axis motor; 52-Dual-belt pulley; 521-Pulley assembly one; 522-Pulley assembly two; 523-Pulley assembly three; 524-Fastener; 53-Belt one; 54-Belt two; 55-Guide pulley one; 56-Guide pulley two; 6-Loading mechanism; 7-Conveying mechanism; 8-Drive mechanism; 81-Servo motor; 82-Drive wheel; 83-Driven wheel; 84-Driven wheel shaft; 9-Guide wheel; 91 - Limit wheel seat; 92 - Limit wheel sliding seat; 93 - Limit wheel; 94 - Stud; 95 - Spring; 96 - Guide plate; 97 - Guide block; 98 - Guide groove; 99 - Locking element; 10 - Adjustment mechanism; 101 - Hinge mounting bracket; 102 - Servo motor II; 103 - Lead screw; 104 - Nut; 105 - Nut hinge seat; 106 - Swing rod seat; 107 - Swing rod; 108 - Guide belt pulley seat; 109 - Lead screw buffer block; 110 - Lead screw support frame; 11 - Machine cover; 12 - Sliding contact line; 13 - Conductive sliding contact seat. Detailed Implementation
[0033] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.
[0034] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "equipped with" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0035] It should be noted that the structures not described in this utility model do not involve the design points and improvement directions of this utility model and all adopt existing technology. At the same time, the content in the above background technology is within the technical knowledge scope of the utility model owner. Since the technical content in this field is vast and too complex, the above content of this application does not necessarily constitute prior art.
[0036] Reference Figure 1-15 The guide wheel and assembly mechanism of the rail trolley provided by this utility model are applied in the rail logistics trolley, so the description is based on the overall rail logistics trolley. This embodiment provides a multi-functional rail logistics trolley, including a guide rail 1. The guide rail 1 is provided with a plurality of frame brackets 2 for wrapping the guide rail. The bottom surface of the frame brackets 2 is connected to the support frame 4 through the connecting frame 3. The support frame 4 is provided with a sling drive mechanism 5. The sling drive mechanism 5 is connected to the loading mechanism 6 on the bottom surface. The loading mechanism 6 is provided with a conveying mechanism 7 on the bottom surface.
[0037] The frame bracket 2 is equipped with a drive mechanism 8 for moving the loading mechanism 6 and the conveying mechanism 7.
[0038] The multi-functional rail logistics trolley provided by this utility model has a reasonable structure, occupies little space, is convenient for factory or workshop layout, and improves application space. The drive mechanism 8 drives the conveying mechanism 7 to move on the guide rail 1 to complete the efficient conveying of materials.
[0039] In a preferred embodiment, the drive mechanism 8 includes a servo motor 81 disposed on one side of the frame bracket 2. The output end of the servo motor 81 is provided with a drive wheel 82 that abuts against the guide rail 1. The other side of the frame bracket 2 is provided with a driven wheel 83 that is correspondingly disposed to the drive wheel 82. The driven wheel 83 abuts against the other side wall of the guide rail 1. Both ends of the remaining frame brackets 2 are provided with driven wheels 83 that abut against the guide rail 1. One end of the driven wheel 83 abuts against the guide rail 1, and the other end of the driven wheel 83 is disposed on the frame bracket 2 through a driven wheel shaft 84.
[0040] During the rotation of the servo motor 81, the drive wheel 82 is driven to rotate, and multiple driven wheels 83 cooperate with the drive wheel 82 to move the logistics cart.
[0041] In a preferred embodiment, the guide rail 1 is I-shaped, and the two ends of the frame bracket 2 are provided with assembly mechanisms that are adapted to slide with the ends of the guide rail. The assembly mechanism includes a plurality of guide wheels 9 disposed on the outside of the frame bracket 2 and corresponding to the guide rail 1. Each guide wheel 9 includes a limiting wheel seat 91 disposed on the outside of the frame bracket 2. A limiting wheel sliding seat 92 is slidably limited in the limiting wheel seat 91. A limiting wheel 93 adapted to slide with the guide rail 1 is rotatably disposed in the limiting wheel sliding seat 92. A plurality of studs 94 are provided at one end of the limiting wheel seat 91. The studs 94 pass through the limiting wheel seat 91 and are connected to a spring 95. The other end of the spring 95 is connected to the limiting wheel sliding seat 92.
[0042] Considering the sliding stability of the guide rail and the assembly mechanism, an assembly mechanism adapted to the bottom surface of the guide rail 1 is provided on the bottom surface of the frame bracket 2. The assembly mechanism consists of multiple guide wheels 9 adapted to be installed on both sides and the bottom of the guide rail 1 to improve the stability of the assembly.
[0043] In a preferred embodiment, the end face of the limiting wheel seat is provided with a guide plate 96, and the guide plate 96 is provided with a guide block 97 passing through the limiting wheel seat 91. The two ends of the limiting wheel sliding seat 92 are respectively provided with guide grooves 98 that are adapted to the guide block 97. The direction of the guide block 97 is consistent with the extension and retraction direction of the spring 95, ensuring that the limiting wheel 93 can be adaptively adjusted along the extension and retraction direction of the spring 95 (i.e., the direction perpendicular to the guide rail 1) when moving on the arc track, so as to meet the requirements of guide rails of different shapes. When the guide rail is an arc track, under the action of the spring tension and the action of the guide block, the limiting wheel will slide adaptively along the arc track. At the same time, the connection method of the stud 94 and the spring 95 is adopted, which improves the service life of the spring 95 compared to directly connecting the limiting wheel seat 91 and the limiting wheel sliding seat 92 with the spring 95.
[0044] The guide plate 96 is locked to the surface of the limiting wheel seat 91 by multiple locking elements 99.
[0045] In a preferred embodiment, the sling transmission mechanism 5 includes a dual-axis motor 51 disposed in the middle of the support frame 4. The output end of the dual-axis motor 51 is connected to a dual-belt pulley 52 via a rotating shaft. The dual-belt pulley 52 includes a pulley component 1 521 disposed in the middle and pulley components 2 522 and 3 523 disposed at both ends of pulley component 1 521. Pulley component 2 522 and pulley component 3 523 are respectively connected to pulley component 1 521 via fasteners 524.
[0046] There is a first gap between pulley component 1 521 and pulley component 2 522, and a second gap between pulley component 1 521 and pulley component 3 523. Belt 1 53 is installed at the end of the first gap, and belt 2 54 is installed at one end of the second gap which is diagonally opposite to the first gap. Belt 1 53 and belt 2 54 are wound in the same direction with staggered alignment through the working surface of pulley component 1 521.
[0047] Furthermore, belt 1 53 and belt 2 54 are connected to the sling shaft 61 located in the loading mechanism 6 after passing through guide pulley 1 55 and guide pulley 2 56 respectively. During the rotation of the dual-shaft motor 51, belt 1 53 and belt 2 53 are driven to be wound or unwound synchronously.
[0048] In this configuration, belt 1 53 and belt 2 54 are wound in the same direction with the pulley assembly 1 521 as the diagonal, thus achieving the superposition of belt 1 53 and belt 2 54. For details, refer to... Figure 14 53. Wrap the belt clockwise around point A in the diagram, and 54. Wrap the belt clockwise around point B in the diagram.
[0049] In this embodiment, belt 1 53 and belt 2 54 are respectively installed at both ends of the double belt pulley 52, and the ends of belt 1 53 and belt 2 54 are connected to the sling shaft 61 set in the loading mechanism 6, thereby connecting the loading mechanism 6 through two sets of belt 1 53 and belt 2 54.
[0050] The double-belt pulley 52 provided in this embodiment can have two sets of belts installed on its surface in a staggered manner. The ends of the two sets of belts are connected to the idler shaft 61 to realize the lifting of materials. With the addition of an adjustment mechanism, the extension and retraction of the belts can be adjusted according to the swing of the conveying mechanism to achieve smooth lifting and lowering of the entire mechanism during movement.
[0051] This embodiment also includes an adjustment mechanism 10, which includes a hinged mounting frame 101 disposed at one end of the support frame 2. A servo motor 102 is disposed on the hinged mounting frame 101. A lead screw 103 is disposed at the output end of the servo motor 102. A nut 104 is threadedly connected to the lead screw 103. A nut hinge seat 105 is disposed outside the nut 104.
[0052] The support frame 2 is provided with a rocker arm seat 106 at one end, a rocker arm 107 is hinged on the rocker arm seat 106, and the end of the rocker arm 107 is hinged to the nut hinge seat 105.
[0053] The swing arm 107 has a guide pulley 55 internally hinged at one end near the double-belt pulley 52;
[0054] Servo motor 102 drives lead screw 103 to rotate. Since nut 104 is limited within nut hinge seat 105, it drives nut hinge seat 105 and swing arm 107 to swing on swing arm seat 106, that is, the logistics trolley swings during the movement.
[0055] The other end of the support frame 2 is provided with a guide wheel seat 108 for mounting the second guide wheel 56.
[0056] Among them, the support frame 4 is assembled from multiple alloy profiles.
[0057] This embodiment also includes a cover 11 for wrapping the support frame 2, which serves to protect the internal structure of the support frame 2.
[0058] In a preferred embodiment, a lead screw buffer block 109 is provided at the end of the lead screw 103. The lead screw buffer block 109 is installed on the machine cover 11. This arrangement is to improve the stability of the lead screw 103 transmission.
[0059] This embodiment also includes a motor mount for fixing the second servo motor 102, which is disposed on the outside of the hinged mounting bracket 101. The motor mount is provided with a lead screw support bracket 110 for supporting the lead screw 103.
[0060] In this embodiment, a sliding contact line 12 is provided on one side of the guide rail 1, and a conductive sliding contact is provided on the sliding contact line 12 and slidably connected thereto. A conductive sliding contact seat 13 is provided at the end of the conductive sliding contact. The conductive sliding contact seat 13 is set on the corresponding frame bracket 2. The conductive sliding contact seat 13 is equivalent to providing a charging socket, and charging can be performed according to specific needs.
[0061] This embodiment also includes a level instrument installed on the conveying mechanism. The level instrument detects the swing angle of the conveying mechanism and then controls the adjustment mechanism to control the height of the two sets of belts. During the movement, the loading mechanism and the conveying mechanism connected by the two sets of belts rise and fall. That is, the logistics trolley will swing left and right. The level instrument detects the swing angle of the conveying mechanism and controls the belt to extend and retract to a certain extent according to the angle change, so as to overcome the inertia generated by the swing of the trolley and ensure that the entire mechanism rises and falls smoothly.
[0062] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A guide wheel for a track trolley, characterized in that: The device includes a limiting wheel seat, a limiting wheel sliding seat inside the limiting wheel seat, a limiting wheel that is adapted to slide on the guide rail inside the limiting wheel sliding seat, a plurality of studs at one end of the limiting wheel seat, the studs passing through the limiting wheel seat and connected to a spring, and the other end of the spring being connected to the limiting wheel sliding seat.
2. The guide wheel of the track trolley according to claim 1, characterized in that: The surface of the limiting wheel seat is provided with a guide plate, the guide plate is provided with a guide block passing through the limiting wheel seat, and the sliding seat of the limiting wheel is provided with a guide groove that matches the guide block.
3. The guide wheel of the track trolley according to claim 2, characterized in that: The guide plate is locked to the surface of the limit wheel seat by multiple locking components.
4. A guide wheel assembly mechanism for a track trolley, mounted on a corresponding frame bracket, characterized in that: The assembly mechanism includes multiple guide wheels disposed on the outside of the frame bracket and corresponding to the guide rail. Each guide wheel includes a limiting wheel seat disposed on the outside of the frame bracket. A limiting wheel sliding seat is provided in the limiting wheel seat for limiting and sliding. A limiting wheel that is adapted to slide on the guide rail is rotatably disposed in the limiting wheel sliding seat. A plurality of studs are provided at one end of the limiting wheel seat. The studs pass through the limiting wheel seat and are connected to a spring. The other end of the spring is connected to the limiting wheel sliding seat.
5. The guide wheel assembly mechanism for the track trolley according to claim 4, characterized in that: The surface of the limiting wheel seat is provided with a guide plate, the guide plate is provided with a guide block passing through the limiting wheel seat, and the sliding seat of the limiting wheel is provided with a guide groove that matches the guide block.
6. The guide wheel assembly mechanism for the track trolley according to claim 5, characterized in that: The guide plate is locked to the surface of the limit wheel seat by multiple locking components.