A guide mechanism for a material handling vehicle

Abstract

The utility model provides a kind of guide mechanism for material handling trolley, including trolley body, the lower of trolley body is equipped with guide mechanism, guide mechanism includes mounting seat and two guide wheels, two sliding slots are respectively set in mounting seat, guide wheel is rotatably connected in the lower end of pivot rod by bearing, pivot rod is slidingly connected in sliding slot, two guide wheels are respectively and the both sides of track rolling connection, mounting seat and pivot rod between still be equipped with elastic compression mechanism.The utility model's guide mechanism is contacted with the horizontal radial force of two guide wheels and the two sides of track, provides lateral turning torque for trolley to pass bend, so that trolley can smoothly realize turning function;And by elastic compression mechanism, pressure is applied to guide wheel, the close contact of guide wheel and the both sides of track is guaranteed, so as to guarantee trolley to walk stably on track, solve the problem that trolley is easy to deviate from track or jam in prior art.

Description

Technical Field

[0001] This utility model relates to the field of material handling equipment technology, and in particular to a guiding mechanism for a material handling trolley. Background Technology

[0002] With the continuous improvement of industrial automation, material handling trolleys are widely used in industrial production. In particular, track-mounted material handling trolleys are widely used in factories, warehouses and other places due to their advantages such as fixed running paths and stable operation. Track-mounted material handling trolleys typically consist of a trolley body, a traveling mechanism and a guiding mechanism, among which the guiding mechanism plays an important role in ensuring the stable operation of the trolley on the track.

[0003] Currently, the guiding mechanism of common track-mounted material handling trolleys on the market mainly consists of guide wheels installed at the bottom of the trolley to cooperate with the track. For example, CN221916024U discloses a track-mounted trolley, which includes a traveling mechanism and a guiding mechanism. The guiding mechanism includes two sets of guide wheel assemblies, located on the front and rear sides of the traveling mechanism and connected to the base plate via a connecting plate. However, this type of guiding mechanism has the following problems: 1. The guide wheel is rigidly connected to the track. When the trolley is running at high speed or going through a curve, the trolley is prone to lateral force due to centrifugal force. This can cause the guide wheel and the track to derail or get stuck, which directly leads to unstable operation of the trolley and may even threaten production safety. 2. The contact force between the guide wheel and the track is difficult to adjust; too much force will increase frictional resistance and wear, while too little force will not provide sufficient guidance. 3. The guiding mechanism has a complex structure, is difficult to install and debug, and has high maintenance costs.

[0004] Therefore, how to design a guide mechanism that is simple in structure, easy to install, and can effectively ensure the stability of the trolley when running at high speed and going through curves has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a guiding mechanism for a material handling trolley, so as to solve the problem of poor stability and safety of the trolley when running at high speed or going through curves in the prior art.

[0006] To achieve the above and other related objectives, this utility model provides a guiding mechanism for a material handling trolley, comprising a trolley body, a traveling mechanism located below the trolley body, the traveling mechanism including a traveling motor, a traveling drive wheel, and a traveling driven wheel, the traveling drive wheel and the traveling driven wheel being rolledly connected to a track, the traveling motor driving the traveling drive wheel to roll on the track, and the traveling drive wheel driving the traveling driven wheel to move synchronously on the track; a guiding mechanism is also located below the trolley body, the guiding mechanism including a mounting base and two guide wheels, the mounting base having two grooves respectively, the guide wheels being rotatably connected to the lower end of a rotating shaft via bearings, the rotating shaft being slidably connected within the grooves, the two guide wheels being rolledly connected to both sides of the track respectively, and an elastic clamping mechanism being provided between the mounting base and the rotating shaft.

[0007] In one embodiment of the present invention, the side wall of the mounting base is further provided with a mounting hole that extends through the slide groove, one end of the elastic pressing mechanism is fixed in the mounting hole, and the other end of the elastic pressing mechanism is in contact with the rotating shaft.

[0008] In one embodiment of this utility model, the elastic clamping mechanism is a spring.

[0009] In one embodiment of the present invention, the upper end of the rotating shaft is further provided with a fixing member to limit its height.

[0010] In one embodiment of this utility model, the two guide wheels are symmetrically arranged on the mounting base, that is, the line connecting the centers of the two guide wheels is consistent with the direction of the slide groove, and the height of the two guide wheels is consistent.

[0011] In one embodiment of this utility model, the guide wheel is made of rubber.

[0012] In one embodiment of the present invention, the mounting base is inverted "T" shape, and the sliding grooves are respectively formed on both sides of the mounting base.

[0013] In one embodiment of this utility model, the upper end of the mounting base is detachably connected to the trolley body.

[0014] In one embodiment of the present invention, four sets of guiding mechanisms are provided below the trolley body, respectively located at the front and rear ends on both sides of the trolley body, and respectively close to the driving wheel and the driven wheel.

[0015] In one embodiment of this utility model, the trolley body includes a trolley frame and a hopper disposed within the trolley frame. The top of the hopper has an open inlet, and the bottom of the hopper has an inclined outlet. The door panel is movably mounted at the outlet position of the trolley body and is driven by a door panel drive mechanism to adjust the opening of the outlet. The door panel drive mechanism includes a rotating shaft and a door opening motor. The rotating shaft is rotatably mounted between the trolley frames and located below the door panel. The rotating shaft is provided with a drive gear, and the lower surface of the door panel is provided with a rack that meshes with the drive gear. The door opening motor is drively connected to one end of the rotating shaft.

[0016] In one embodiment of this utility model, the trolley body is further provided with a limit switch for monitoring the movement stroke of the door opening panel.

[0017] As described above, the guiding mechanism for material handling trolleys of this invention has the following beneficial effects: 1. The guiding mechanism of this utility model generates a horizontal radial force through the contact between two guide wheels and the two sides of the track, providing a lateral turning torque for the trolley to pass through the curve, enabling the trolley to smoothly achieve the turning function; and the elastic clamping mechanism applies pressure to the guide wheels to ensure close contact between the guide wheels and the sides of the track, thereby ensuring the stable movement of the trolley on the track and solving the problem that the trolley is prone to deviating from the track or getting stuck in the prior art.

[0018] 2. The guide wheel of this utility model is made of rubber, which increases the friction with the track and further ensures close contact between the guide wheel and the side of the track, thereby ensuring that the trolley moves stably on the track.

[0019] 3. The four sets of guiding mechanisms are located at the front and rear ends on both sides of the trolley body, providing the trolley with all-round limiting functions, effectively avoiding the risk of the trolley tipping over when running at high speed, and greatly improving the safety of the trolley operation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the guiding mechanism for a material handling trolley disclosed in an embodiment of this utility model.

[0021] Figure 2 for Figure 1 Enlarged diagram of point A in the middle.

[0022] Figure 3 This is a top view schematic diagram of the guide mechanism for a material handling trolley disclosed in an embodiment of this utility model.

[0023] Figure 4 This is a rear view schematic diagram of the guiding mechanism for a material handling trolley disclosed in an embodiment of this utility model.

[0024] Component designation explanation 1. Cart body; 11. Cart frame; 12. Hopper; 2. Traveling mechanism; 21. Traveling motor; 22. Traveling drive wheel; 23. Traveling driven wheel; 24. Traveling driven chain; 3. Door opening panel; 31. Rotating shaft; 32. Door opening motor; 33. Drive gear; 34. Rack; 4. Guide mechanism; 41. Mounting base; 42. Guide wheel; 43. Rotating shaft rod; 44. Slide groove; 45. Elastic clamping mechanism; 6. Electrical box; 7. Frequency converter; 8. Current collector. Detailed Implementation

[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] Please see Figures 1-4 This utility model provides a guiding mechanism for a material handling trolley, including a trolley body 1. A traveling mechanism 2 is provided below the trolley body 1. The traveling mechanism 2 includes a traveling motor 21, a traveling drive wheel 22, and a traveling driven wheel 23. The traveling drive wheel 22 and the traveling driven wheel 23 are tumblingly connected to a track. The output end of the traveling motor 21 is connected to a drive sprocket. The drive sprocket is connected to the traveling drive wheel 22 through a traveling driven chain 24, so that the traveling motor 21 drives the traveling drive wheel 22 to roll on the track, and the traveling drive wheel 22 drives the traveling driven wheel 23 to move synchronously on the track. A guiding mechanism 4 is also provided below the trolley body 1. The guiding mechanism 4 includes a mounting base 41 and two guide wheels 42. The two guide wheels 42 are tumblingly connected to both sides of the track. Two sliding grooves 44 are respectively opened on the mounting base 41. The guide wheels 42 are rotatably connected to the lower end of the rotating shaft 43 through bearings. The rotating shaft 43 is slidably connected in the sliding grooves 44. An elastic pressing mechanism 45 is also provided between the mounting base 41 and the rotating shaft 43. The guide wheel 42 is slidably connected to the slide groove 44 through the rotating shaft 43 and works with the elastic clamping mechanism 45 to automatically adjust the position of the guide wheel 42 according to the actual situation of the track. It has strong adaptability and long service life.

[0027] Specifically, the side wall of the mounting base 41 is also provided with a mounting hole extending through the slide groove 44. One end of the elastic clamping mechanism 45 is fixed in the mounting hole, and the other end of the elastic clamping mechanism 45 contacts the rotating shaft 43. The elastic clamping mechanism 45 is a spring. One end of the spring is fixed in the mounting hole, and the other end contacts the rotating shaft 43, so that the rotating shaft 43 can maintain a certain pressure in the slide groove 44, ensuring that the guide wheel 42 is in close contact with both sides of the track, thereby improving the guiding effect.

[0028] Furthermore, a fixing component is provided at the upper end of the rotating shaft 43 to limit its height. The fixing component can be a nut or a retaining ring, etc., which, through its cooperation with the rotating shaft 43, prevents the rotating shaft 43 from moving too much up and down within the slide groove 44, thus ensuring the stability of the guide wheel 42.

[0029] Furthermore, two guide wheels 42 are symmetrically arranged on the mounting base 41, meaning the center line connecting the two guide wheels 42 is aligned with the direction of the slide groove 44, and the two guide wheels 42 are at the same height. The guide wheels 42 are made of rubber. Rubber guide wheels 42 have good elasticity and friction, which can reduce noise during the guiding process and improve the stability and reliability of the guiding.

[0030] Furthermore, the mounting base 41 is inverted "T" shape, with sliding grooves 44 respectively formed on both sides of the mounting base 41. The inverted "T" shaped mounting base 41 has a stable structure and can withstand large lateral forces. The sliding grooves 44 on both sides of the mounting base 41 allow the two guide wheels 42 to contact the two sides of the track respectively, forming an effective guiding effect. The upper end of the "T" shaped mounting base 41 is detachably connected to the trolley body 1. The detachable connection can be made by bolt connection or snap-fit ​​connection, which facilitates the installation, disassembly, and maintenance of the guiding mechanism 4, improving the flexibility of use and the convenience of maintenance.

[0031] In this embodiment, four sets of guide mechanisms 4 are provided below the trolley body 1, located at the front and rear ends on both sides of the trolley body 1, and respectively close to the driving wheel 22 and the driven wheel 23. The arrangement of the four sets of guide mechanisms 4 makes the trolley more stable when it moves on the track, reduces lateral swaying, and improves the smoothness and safety of operation.

[0032] In this embodiment, the trolley body 1 includes a trolley frame 11 and a hopper 12 disposed within the trolley frame 11. The top of the hopper 12 has an open feed port, and the bottom of the hopper 12 has an inclined discharge port. The door panel 3 is movably mounted at the discharge port position of the trolley body 1 and is driven by the door panel 3 drive mechanism to adjust the opening of the discharge port. The door panel 3 drive mechanism includes a rotating shaft 31 and a door opening motor 32. The rotating shaft 31 is rotatably mounted between the trolley frames 11 and located below the door panel 3. The rotating shaft 31 is provided with a drive gear 33, and the lower surface of the door panel 3 is provided with a rack 34 that meshes with the drive gear 33. The door opening motor 32 is connected to one end of the rotating shaft 31.

[0033] Furthermore, the trolley body 1 is also equipped with a limit switch to monitor the movement of the door opening plate 3. The limit switch can accurately control the opening and closing position of the door opening plate 3, preventing the door opening plate 3 from being over-opened or under-closed, ensuring accurate material delivery, and further guaranteeing the safety of the door opening action.

[0034] In this embodiment, the vehicle body 1 is also equipped with an electrical box 6, a frequency converter 7, and a current collector 8. The electrical box 6 is used to install electrical control components, the frequency converter 7 is used to adjust the speed of the walking motor 21 and the door opening motor 32, and the current collector 8 is used to obtain electrical energy from an external power source to provide power to the vehicle.

[0035] In actual use, the material handling trolley travels on the track via the walking mechanism 2, and the guiding mechanism 4 ensures that the trolley travels stably along the track. When the trolley needs to unload material, the door opening motor 32 drives the rotating shaft 31 to rotate, and the drive gear 33 on the rotating shaft 31 drives the rack 34 on the door opening plate 3 to move, thereby adjusting the opening of the discharge port and realizing the unloading of materials. The limit switch monitors the position of the door opening plate 3 to ensure that the opening and closing actions of the door opening plate 3 are accurate and reliable.

[0036] In summary, the guide mechanism design of this utility model makes the trolley more stable on the track and reduces lateral swaying. The elastic clamping mechanism ensures close contact between the guide wheels and both sides of the track, improving the guiding effect. The rubber guide wheels reduce operating noise and increase service life. The four sets of guide mechanisms further enhance the stability of the trolley, making the material handling process safer and more reliable. Therefore, this utility model effectively overcomes the various shortcomings of the prior art and has high industrial application value.

[0037] The terms used in this specification, such as "upper", "lower", "left", "right", "front", "back", "middle" and "one", are merely for clarity of description and are not intended to limit the scope of implementation of this utility model. Any changes or adjustments to their relative relationships, without substantially altering the technical content, shall also be considered within the scope of implementation of this utility model.

[0038] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. All equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A guiding mechanism for a material handling trolley, characterized in that, The device includes a trolley body, and a traveling mechanism is provided below the trolley body. The traveling mechanism includes a traveling motor, a traveling drive wheel, and a traveling driven wheel. The traveling drive wheel and the traveling driven wheel are tactilely connected to a track. The traveling motor drives the traveling drive wheel to roll on the track, and the traveling drive wheel drives the traveling driven wheel to move synchronously on the track. The trolley body is also provided with a guide mechanism below it. The guide mechanism includes a mounting base and two guide wheels. The mounting base has two sliding grooves respectively. The guide wheels are rotatably connected to the lower end of the rotating shaft through bearings. The rotating shaft is slidably connected in the sliding grooves. The two guide wheels are respectively rolledly connected to both sides of the track. An elastic clamping mechanism is also provided between the mounting base and the rotating shaft.

2. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, The side wall of the mounting base is also provided with a mounting hole that extends through the slide groove. One end of the elastic clamping mechanism is fixed in the mounting hole, and the other end of the elastic clamping mechanism is in contact with the rotating shaft.

3. The guiding mechanism for a material handling trolley according to claim 2, characterized in that, The elastic clamping mechanism is a spring; the guide wheel is made of rubber.

4. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, The upper end of the shaft is also provided with a fixing component to limit its height.

5. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, The two guide wheels are symmetrically arranged on the mounting base, that is, the line connecting the centers of the two guide wheels is in the same direction as the slide groove, and the height of the two guide wheels is the same.

6. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, The mounting base is inverted "T" shape, and the sliding grooves are respectively opened on both sides of the mounting base.

7. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, The upper end of the mounting base is detachably connected to the trolley body.

8. The guiding mechanism for a material handling trolley according to claim 1, characterized in that, Four sets of guiding mechanisms are provided below the vehicle body, located at the front and rear ends on both sides of the vehicle body, and respectively close to the driving wheel and the driven wheel.

9. The guiding mechanism for a material handling trolley according to any one of claims 1 to 8, characterized in that, The trolley body includes a trolley frame and a hopper disposed within the trolley frame. The top of the hopper has an open feed port, and the bottom of the hopper has an inclined discharge port. A door panel is movably mounted at the discharge port position of the trolley body and is driven by a door panel drive mechanism to adjust the opening of the discharge port. The door panel drive mechanism includes a rotating shaft and a door opening motor. The rotating shaft is rotatably mounted between the trolley frames and located below the door panel. A drive gear is provided on the rotating shaft, and a rack meshing with the drive gear is provided on the lower surface of the door panel. The door opening motor is drively connected to one end of the rotating shaft.

10. The guiding mechanism for a material handling trolley according to claim 9, characterized in that, The trolley body is also equipped with a limit switch to monitor the movement of the door opening panel.

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