Aligning carrier roller set
By designing the screw drive assembly and the corrugated telescopic tube, the problem of difficulty in adjusting the tilt angle of the side idlers during the operation of the self-aligning idler assembly was solved, realizing smooth operation of the screw and rapid adjustment of the tilt angle of the side idlers in dusty environments.
Patent Information
- Application Number
- CN202520046962.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing self-aligning idler sets are difficult to adjust the tilt angle of the side idlers during conveyor belt operation, and the operation of the threaded or electric push rods is difficult in dusty environments, making tilt angle adjustment inconvenient.
The design employs a screw drive assembly and a corrugated telescopic tube. The tilt angle of the swing plate can be adjusted by the drive rod, thus making the tilt angle of the side rollers adjustable. The corrugated telescopic tube prevents dust from entering the screw, ensuring smooth operation.
It enables quick adjustment of the side idler roller tilt angle during conveyor belt operation and maintains smooth screw operation in dusty environments, improving the convenience and reliability of adjustment.
Smart Images

Figure CN223591631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a roller technology field especially relates to a kind of self-aligning roller groups. BACKGROUND
[0002] Self-aligning roller group plays an important role in belt conveyor, to cope with the problem of belt deviation.
[0003] In the related art, the side roller of self-aligning roller group is often set to be adjustable in inclination angle, to adapt to different materials, meet different needs of users, change deviation performance, change deviation reaction capacity, etc.
[0004] The patent with publication number CN219585174U discloses a self-aligning roller device, and it can be known from its specification that the supporting rod can be matched with different supporting grooves, so as to adjust the inclination angle of the side roller. The inventor finds that it is not applicable to adjust the supporting rod during the operation of the conveyor belt, because the side roller frame needs to be lifted at one end when adjusting the supporting rod. At this time, there are materials on the conveyor belt, and the materials have a certain weight, which makes it difficult for the workers to lift the side roller frame or even impossible to lift it.
[0005] In addition, the side roller with adjustable inclination angle is recorded in the specifications of patents with publication numbers CN221564596U and CN220663898U, but the application scenarios of self-aligning roller group often have a lot of particulate dust, such as wharf, mine, coal yard, etc. These particulate dusts can cause the operation of threads or electric push rods to be difficult, and further cause it to be difficult to adjust the inclination angle of the side roller.
[0006] Therefore, it is necessary to develop a self-aligning roller group for the above-mentioned defects. CONTENT OF UTILITY MODEL
[0007] The utility model aims at providing a self-aligning roller group, which can conveniently and quickly adjust the inclination angle of the side roller.
[0008] To solve the above technical problems, the utility model adopts the following technical solutions:
[0009] The utility model relates to a kind of centraling carrier roller groups, including horizontal carrier roller and two side carrier rollers, further including support plate, driving rod, base, corrugated expansion pipe and screw drive assembly, the horizontal carrier roller is horizontally arranged and is rotatably erected on the support plate, swing plate is rotatably connected at both ends of the support plate, two side carrier rollers are rotatably erected on two swing plates respectively, fixed block is fixedly connected between the base and the support plate, and the base is located below the support plate, screw drive assembly is installed between the base and the fixed block, the driving rod is movably arranged between the swing plate and the screw drive assembly, and the screw drive assembly can adjust the inclination angle of the swing plate by the driving rod, the corrugated expansion pipe is sleeved on the screw of the screw drive assembly.
[0010] Preferably, the screw drive assembly further includes a sliding block, a crank handle, and a guide rod. The base top surface is fixed with a support block. The screw is horizontally rotatably arranged between the support block and the fixed block. The screw is rotatably penetrated through the sliding block, and the screw is threadedly connected with the sliding block. The guide rod is horizontally fixedly arranged between the support block and the fixed block, and the guide rod is located below the screw. The sliding block bottom surface is fixedly connected with a guide block. The guide rod is slidably penetrated through the guide block. The screw end portion is provided with a first optical axis segment, and the first optical axis segment is rotatably penetrated through the support block and fixedly connected with the crank handle. One end of the driving rod is hingedly connected with the swing plate bottom surface through a hinge assembly. The other end of the driving rod is movably connected with the sliding block. The corrugated expansion pipe includes a first segment and a second segment. One end of the first segment is fixedly connected with the support block flange bolt. The other end of the first segment is fixedly connected with the sliding block side flange bolt close to the support block. One end of the second segment is fixedly connected with the fixed block flange bolt. The other end of the second segment is fixedly connected with the sliding block side flange bolt close to the fixed block.
[0011] Preferably, the screw is provided with one. The screw is rotatably penetrated through the fixed block, and a second optical axis segment is provided on the part where the screw is rotatably connected with the fixed block. The thread rotation directions of the screw ends are opposite.
[0012] Preferably, the screw is provided with two. The two screws are respectively located on both sides of the fixed block. The screw end away from the first optical axis segment is provided with a third optical axis segment. The third optical axis segment is rotatably connected with the fixed block.
[0013] Preferably, the other end of the driving rod is hingedly connected with the sliding block top surface. The hinge assembly is a hinged support. The hinged support is fixedly connected with the swing plate.
[0014] Preferably, the other end of the driving rod is slidably connected with the slider on both sides, a supporting arm is fixed on the fixed block, the supporting arm is hinged with the driving rod, the upper half length of the hinge joint of the driving rod is shorter than the lower half length, the hinge joint assembly is a hinge rod and a hinge support, the hinge support is fixedly connected with the swing plate, and one end of the hinge rod is hinged with the hinge support.
[0015] Preferably, the lower half of the driving rod is fixed with a shift fork, the opposite inner walls of the shift fork are slidably connected with the sliders on both sides, the two side plates of the shift fork are provided with sliding grooves, the sliders on both sides are fixed with cylindrical pins, the cylindrical pins are located in the sliding grooves, and the cylindrical pins are slidably matched with the sliding grooves.
[0016] Compared with the prior art, the beneficial technical effects of the utility model are:
[0017] The utility model discloses a centralizing carrier roller set, screw rod drive drives driving rod action, driving rod drives swing plate swing, and the inclination angle of swing swing plate changes, and then side carrier roller synchronously swings along with swing plate, and the inclination angle of side carrier roller can be adjusted, whether conveying belt is in the running process or not can adjust the inclination angle of side carrier roller, the screw is protected through bellows, can prevent the particle dust from falling on the screw, thereby can guarantee the smooth operation of screw. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further described in connection with the drawings.
[0019] Figure 1 It is the structural schematic diagram of example 1.
[0020] Figure 2 It is the structural schematic diagram of example 1. Figure 1 It is the enlarged structural schematic diagram of A in the middle.
[0021] Figure 3 It is the structural schematic diagram of example 1. Figure 1 It is the enlarged structural schematic diagram of B in the middle.
[0022] Figure 4 It is the structural schematic diagram of example 2.
[0023] Figure 5 It is the structural schematic diagram of example 3.
[0024] Figure 6 It is the structural schematic diagram of example 3.
[0025] Explanation of reference signs: 1, horizontal carrier roller; 2, side carrier roller; 3, support plate; 4, driving rod; 401, shift fork; 402, chute; 5, base; 6, swing plate; 7, fixed block; 8, screw rod; 801, first optical axis section; 802, second optical axis section; 803, third optical axis section; 9, corrugated expansion pipe; 10, sliding block; 1001, guide block; 1002, cylindrical pin; 11, crank handle; 12, guide rod; 13, support block; 14, support arm; 15, spring retainer ring; 16, hinged rod. DETAILED DESCRIPTION
[0026] The core of the utility model is to provide a kind of adjusting carrier roller group, the inclination angle of side carrier roller can be conveniently and quickly adjusted.
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0028] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "middle" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.
[0029] Embodiment 1
[0030] As shown in Figures 1 to 3 It includes horizontal carrier roller 1 and two side carrier rollers 2, and also includes support plate 3, driving rod 4, base 5, corrugated expansion pipe 9 and screw rod driving assembly, horizontal carrier roller 1 is horizontally arranged and rotatably arranged on support plate 3, swing plate 6 is rotatably connected at both ends of support plate 3, two side carrier rollers 2 are rotatably arranged on two swing plates 6, fixed block 7 is fixedly connected between base 5 and support plate 3, and base 5 is below support plate 3, screw rod driving assembly is installed between base 5 and fixed block 7, driving rod 4 is movably arranged between swing plate 6 and screw rod driving assembly, and screw rod driving assembly can adjust the inclination angle of swing plate 6 through driving rod 4, and corrugated expansion pipe 9 is sleeved on screw rod 8 of screw rod driving assembly.
[0031] Specifically, the screw rod driving drives the driving rod 4 to act, the driving rod 4 drives the swing plate 6 to swing, the inclination angle of the swing plate 6 changes, the side supporting roller 2 swings synchronously with the swing plate 6, and the inclination angle of the side supporting roller 2 can be adjusted. Whether the conveying belt is in the running process or not, the inclination angle of the side supporting roller 2 can be adjusted; the screw rod 8 is protected by the corrugated expansion pipe 9, which can prevent particles and dust from falling on the screw rod 8, thereby ensuring smooth operation of the screw rod 8.
[0032] The screw rod driving assembly further comprises a sliding block 10, a rocking handle 11 and a guide rod 12, the top surface of the base 5 is fixed with a support block 13, the screw rod 8 is horizontally rotatably arranged between the support block 13 and the fixed block 7, the screw rod 8 penetrates the sliding block 10 and is threadedly connected with the sliding block 10, the guide rod 12 is horizontally fixedly arranged between the support block 13 and the fixed block 7, the guide rod 12 is located below the screw rod 8, the bottom surface of the sliding block 10 is fixedly connected with a guide block 1001, the guide rod 12 penetrates the guide block 1001, the end of the screw rod 8 is provided with a first optical axis segment 801, and the first optical axis segment 801 penetrates the support block 13 and is fixedly connected with the rocking handle 11; one end of the driving rod 4 is hingedly connected with the bottom surface of the swing plate 6 through a hinge assembly, and the other end of the driving rod 4 is movably connected with the sliding block 10; the corrugated expansion pipe 9 comprises a first segment and a second segment, one end of the first segment is fixedly connected with the support block 13 through flange bolts, the other end of the first segment is fixedly connected with one side of the sliding block 10 close to the support block 13 through flange bolts, one end of the second segment is fixedly connected with the fixed block 7 through flange bolts, and the other end of the second segment is fixedly connected with one side of the sliding block 10 close to the fixed block 7 through flange bolts.
[0033] Specifically, the rocking handle 11 drives the screw rod 8 to rotate, the screw rod 8 threadedly drives the sliding block 10 to slide along the length direction of the screw rod 8, the sliding block 10 drives the end movably connected with the driving rod 4 to act, the other end of the driving rod 4 swings, the driving rod 4 drives the swing plate 6 to swing, and the inclination angle of the side supporting roller 2 can be adjusted.
[0034] The screw rod 8 is provided with one, the screw rod 8 penetrates the fixed block 7 and is rotatably connected with the fixed block 7, and a second optical axis segment 802 is arranged on the part where the screw rod 8 is rotatably connected with the fixed block 7, and the thread rotation directions of the two ends of the screw rod 8 are opposite.
[0035] Specifically, the inclination angle of the two side supporting rollers 2 can be adjusted simultaneously by the screw rod 8. The diameter of the first optical axis segment 801 is smaller than the thread major diameter of the screw rod 8, the end surface of the screw rod 8 is in rotatable contact with the support block 13, and the screw rod 8 can be prevented from moving; in order to further prevent the screw rod 8 from moving, for example, Figure 3As shown, the diameter of the second optical axis section 802 is larger than the major diameter of the screw 8's thread. A spring retaining ring 15 is installed in the inner hole of the fixing block 7, and one side of the spring retaining ring 15 makes rotatable contact with the end face of the second optical axis section 802, which can further prevent the screw 8 from moving and ensure the stable operation of the screw 8. In addition, a bearing can be installed in the inner hole of the fixing block 7, and the second optical axis section 802 mates with the inner ring of the bearing to prevent the second optical axis section 802 from rubbing against the fixing block 7.
[0036] The other end of the drive rod 4 is hinged to the top surface of the slider 10. The hinge assembly is a hinge support, which is fixedly connected to the swing plate 6.
[0037] Working principle: The two corrugated expansion tubes 9 prevent particulate dust from falling on the screw 8, thus ensuring the smooth operation of the screw 8.
[0038] The screw 8 is rotated by the crank handle 11, and the screw 8 drives the slider 10 to slide along the length of the screw 8. The two sliders 10 move towards each other or away from each other. The slider 10 drives the drive rod 4 to move synchronously with one end of its hinge. The other end of the drive rod 4 swings, and the drive rod 4 drives the swing plate 6 to swing. The tilt angle of the side roller 2 is adjustable.
[0039] Example 2
[0040] The difference between Example 2 and Example 1 is that the screw 8 is different.
[0041] like Figure 4 As shown, the screw drive assembly also includes a slider 10, a crank 11, and a guide rod 12. A support block 13 is fixed to the top surface of the base 5. The screw 8 is horizontally rotatably mounted between the support block 13 and the fixed block 7. The screw 8 rotates through the slider 10 and is threadedly connected to the slider 10. The guide rod 12 is horizontally fixedly mounted between the support block 13 and the fixed block 7. The guide rod 12 is located below the screw 8. A guide block 1001 is fixedly connected to the bottom surface of the slider 10. The guide rod 12 slides through the guide block 1001. The end of the screw 8 is provided with a first optical axis section 801, and the first... A section 801 of the optical axis rotates through the support block 13 and is fixedly connected to the crank handle 11; one end of the drive rod 4 is hinged to the bottom surface of the swing plate 6 through a hinge assembly, and the other end of the drive rod 4 is movably connected to the slider 10; the corrugated telescopic tube 9 includes a first section and a second section, one end of the first section is fixedly connected to the flange bolt of the support block 13, and the other end of the first section is fixedly connected to the flange bolt of the slider 10 near the support block 13; one end of the second section is fixedly connected to the flange bolt of the fixing block 7, and the other end of the second section is fixedly connected to the flange bolt of the slider 10 near the fixing block 7.
[0042] There are two screws 8, which are located on both sides of the fixing block 7. The end of the screw 8 away from the first optical axis section 801 is provided with a third optical axis section 803, which is rotatably connected to the fixing block 7.
[0043] Specifically, the inclination angle of the two side supporting rollers 2 can be adjusted by the two driving rods 4 respectively, which provides more choices for users, can be applied to more complex adjustment requirements, and enhances the practicability.
[0044] Embodiment 3
[0045] Embodiment 3 is different from Embodiment 1 and Embodiment 2 in the connection mode of the driving rod 4 and the sliding block 10.
[0046] As shown in Figure 5 and 6 , the other end of the driving rod 4 is slidingly connected with the two sides of the sliding block 10, the fixed block 7 is fixed with a supporting arm 14, the supporting arm 14 is hinged with the driving rod 4, the upper half of the driving rod 4 is shorter than the lower half in length, taking the hinge of the supporting arm 14 and the driving rod 4 as a boundary; the hinge assembly is a hinge rod 16 and a hinge support, the hinge support is fixedly connected with the swing plate 6, and one end of the hinge rod 16 is hinged with the hinge support.
[0047] The lower half of the driving rod 4 is fixed with a shift fork 401, the opposite inner walls of the shift fork 401 are slidingly connected with the two sides of the sliding block 10, the two side plates of the shift fork 401 are provided with sliding grooves 402, the two sides of the sliding block 10 are fixed with cylindrical pins 1002, the cylindrical pins 1002 are located in the sliding grooves 402, and the cylindrical pins 1002 are slidingly matched with the sliding grooves 402.
[0048] Specifically, the lower half of the driving rod 4 is longer than the upper half, so compared with Embodiment 1 and Embodiment 2, the torque for driving the driving rod 4 to swing is smaller, so that the staff can adjust the inclination angle of the side supporting roller 2 more easily. When the sliding block 10 moves, the cylindrical pin 1002 drives the shift fork 401 to swing through the sliding groove 402, and the two are slidingly connected with each other, so that the driving rod 4 swings with the hinge of the supporting arm 14 as the center, the driving rod 4 drives the hinge rod 16 to swing, the hinge rod 16 drives the swing plate 6 to swing, and the inclination angle of the side supporting roller 2 can be adjusted.
[0049] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other, and each embodiment can be combined with each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.
[0050] The above embodiments only describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.
Claims
1. A self-aligning idler assembly, comprising a horizontal idler (1) and two side idlers (2), characterized in that, It also includes a support plate (3), a drive rod (4), a base (5), a corrugated telescopic tube (9), and a screw drive assembly. The horizontal roller (1) is horizontally set and rotatably mounted on the support plate (3). Both ends of the support plate (3) are rotatably connected to swing plates (6). The two side rollers (2) are respectively rotatably mounted on the two swing plates (6). A fixing block (7) is fixedly connected between the base (5) and the support plate (3), and the base (5) is located below the support plate (3). The screw drive assembly is installed between the base (5) and the fixing block (7). The drive rod (4) is movably set between the swing plate (6) and the screw drive assembly, and the screw drive assembly can adjust the tilt angle of the swing plate (6) through the drive rod (4). The corrugated telescopic tube (9) is sleeved on the screw (8) of the screw drive assembly.
2. The self-aligning idler assembly according to claim 1, characterized in that: The screw drive assembly also includes a slider (10), a crank (11), and a guide rod (12). A support block (13) is fixed on the top surface of the base (5). The screw (8) is horizontally rotatably mounted between the support block (13) and the fixed block (7). The screw (8) rotatably passes through the slider (10), and the screw (8) is threadedly connected to the slider (10). The guide rod (12) is horizontally fixedly mounted between the support block (13) and the fixed block (7). The guide rod (12) is located below the screw (8). A guide block (1001) is fixedly connected to the bottom surface of the slider (10). The guide rod (12) slides through the guide block (1001). A first optical axis section is provided at the end of the screw (8). 801), and the first optical axis segment (801) rotates through the support block (13) and is fixedly connected to the crank handle (11); one end of the drive rod (4) is hinged to the bottom surface of the swing plate (6) through a hinge assembly, and the other end of the drive rod (4) is movably connected to the slider (10); the corrugated telescopic tube (9) includes a first segment and a second segment, one end of the first segment is fixedly connected to the flange bolt of the support block (13), the other end of the first segment is fixedly connected to the flange bolt of the slider (10) near the support block (13), one end of the second segment is fixedly connected to the flange bolt of the fixed block (7), and the other end of the second segment is fixedly connected to the flange bolt of the slider (10) near the fixed block (7).
3. The self-aligning idler assembly according to claim 2, characterized in that: The screw (8) is provided, the screw (8) rotates through the fixed block (7), and a second optical axis section (802) is provided at the part where the screw (8) is rotatably connected to the fixed block (7), and the threads at both ends of the screw (8) are opposite.
4. The self-aligning idler assembly according to claim 2, characterized in that: There are two screws (8), which are located on both sides of the fixing block (7). The end of the screw (8) away from the first optical axis segment (801) is provided with a third optical axis segment (803), which is rotatably connected to the fixing block (7).
5. The self-aligning idler assembly according to any one of claims 2 to 4, characterized in that: The other end of the drive rod (4) is hinged to the top surface of the slider (10), and the hinge assembly is a hinge support, which is fixedly connected to the swing plate (6).
6. The self-aligning idler assembly according to any one of claims 2 to 4, characterized in that: The other end of the drive rod (4) is slidably connected to both sides of the slider (10). A support arm (14) is fixed on the fixed block (7). The support arm (14) is hinged to the drive rod (4). Taking the hinge point of the support arm (14) and the drive rod (4) as the boundary, the upper half of the drive rod (4) at the hinge point is shorter than the lower half. The hinge assembly consists of a hinge rod (16) and a hinge support. The hinge support is fixedly connected to the swing plate (6). One end of the hinge rod (16) is hinged to the hinge support.
7. The self-aligning idler assembly according to claim 6, characterized in that: A fork (401) is fixed on the lower half of the drive rod (4). The inner wall of the fork (401) is in sliding contact with the two sides of the slider (10). Slide grooves (402) are provided on the two side plates of the fork (401). Cylindrical pins (1002) are fixed on both sides of the slider (10). The cylindrical pins (1002) are located in the slide grooves (402) and slide in cooperation with the slide grooves (402).
Citation Information
Patent Citations
Aligning carrier roller device
CN219585174U
Bidirectional four-roller groove type automatic aligning carrier roller set
CN220663898U
Disc self-aligning carrier roller bracket
CN221564596U