Material limiting device
By designing the connecting pin, movable pin, limit plate and limit door structure of the material limiting device, combined with the adjustment components, the three-speed pin adjustment is realized, which solves the problems of rust and foreign objects being stuck in the traditional material limiting device, and improves the Adjustment convenience and stability.
Patent Information
- Application Number
- CN202420386527.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-02-28
AI Technical Summary
Traditional material limiting devices are adjusted by hand-crank gears, which are prone to inadequate adjustment due to rust of the gears, and are difficult to remove in time when foreign objects are stuck, which has a high failure rate.
A material limiting device is designed, adopting a structure connecting pins, movable pins, limit plates and limit doors. The position of the movable pins is adjusted by adjusting the component, thereby adjusting the position of the limit doors, realizing the three-speed pin adjustment, which is convenient for adjustment. and reduce the impact of rust.
It achieves the effect of easy adjustment, less affected by rust, and easy to remove when foreign objects are stuck. It can also increase gears as needed to improve overall performance and stability.
Smart Images
Figure CN222494859U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water engineering equipment, in particular to a material limiting device. Background Art
[0002] Concrete mixing ship, also known as concrete mixing ship, is mainly used for concrete production in water construction projects such as cross-sea and cross-river bridges. Aggregate sand of the concrete mixing ship is poured into the inlet, transported to the feed pipeline through the discharge port through a belt conveyor, and then transported to the weighing bucket through the feed pipeline.
[0003] In actual operation, in order to prevent excessive yellow sand from pouring into the feed inlet at one time, causing the feed pipeline to be overwhelmed and stop working, an adjustable limiting device is often set at the discharge port to adjust the amount of discharge. Traditional limiting devices mostly adjust the output size by hand-cranked gears. Yellow sand has a high water content and the gears are prone to rust. They cannot be adjusted manually afterwards, which has a great impact and a high failure rate. In addition, when foreign objects are stuck, they cannot be removed in time. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a material limiting device to solve the problems mentioned in the above background.
[0005] The utility model provides the following technical solutions: a material limiting device, comprising: a connecting seat and a base, a limiting plate and a lower hopper are connected to the connecting seat by bolts, the connecting seat and the base are also connected by bolts, a belt conveyor is also arranged on the base, a limiting door is arranged on the inner side of the limiting plate, a connecting pin is arranged on the limiting door, the limiting plate and the limiting door are movably connected by the connecting pin, a movable pin is also inserted on the limiting door, and the movable pin is also inserted with the limiting plate; an adjusting component, the adjusting component is movably arranged on the movable pin, and the adjusting component is used to adjust the connection state between the movable pin and the limiting plate.
[0006] Preferably, the adjusting assembly includes a movable rod, a rotating cylinder, an insert block, a connecting rod, a first spring and a connecting block. The movable rod is movably arranged inside a movable pin, the rotating cylinder is rotatably arranged inside a limit plate, the insert block is slidably arranged on the movable pin and plugged into the limit plate, the two ends of the connecting rod are movably connected to the rotating cylinder and the insert block respectively, the two ends of the first spring are fixedly connected to the insert block and the movable pin respectively, and the connecting block is fixedly mounted on the movable rod.
[0007] Preferably, the adjustment assembly also includes a limit block, a second spring, a steering shaft, a connecting rope and a movable seat, the limit block is slidably set on the movable pin, the two ends of the second spring are respectively fixedly connected to the limit block and the movable pin, the steering shaft is movably set inside the movable pin, the connecting rope is also movably set inside the movable pin, the movable seat is slidably set inside the movable pin, the movable seat is fixedly connected to the connecting rope, and the movable seat is also rotatably connected to the movable rod.
[0008] Preferably, a plurality of small protrusions for increasing friction are arranged on the side of the connection block close to the rotary drum, and the protrusions are plugged into the rotary drum.
[0009] Preferably, the end of the connecting rope away from the movable seat bypasses the steering shaft and is fixedly connected to the limit block, and the portion of the connecting rope close to the limit block is located in the internal cavity of the second spring and does not contact the second spring.
[0010] Preferably, a cavity for passing the movable rod is opened inside the rotary cylinder, and a knob is provided at the end of the movable rod passing through the rotary cylinder.
[0011] Preferably, there are two limit plates in total, and both limit plates are in contact with the side surfaces of the belt of the conveyor belt.
[0012] Preferably, the limit gate is located above the belt conveyor, and a gap for conveying yellow sand is provided between the limit gate and the belt conveyor.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The material limiting device changes the traditional material limiting structure into a three-speed latch adjustment by setting up a connecting pin, a movable pin, a limit plate and a limit door, so that the adjustment is convenient, the influence of rust is small, and foreign objects stuck are easy to remove. The gears can be randomly increased as needed to improve the overall performance. In addition, the various components of the overall device are connected by bolts, which facilitates disassembly and assembly and improves the overall efficiency.
[0015] 2. The material limiting device adjusts the position of the movable pin by setting an adjusting component, so as to achieve the purpose of adjusting the limit door. The establishment of the adjusting component can make the movable pin have a self-locking function to avoid the position of the movable pin from being offset when the entire device is running, further improving the stability of the entire material limiting device and facilitating practical use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of another viewing angle of the overall structure of the utility model;
[0018] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;
[0019] Figure 4 This is a schematic diagram of the structure of the connection block of the utility model;
[0020] Figure 5 for Figure 2 A magnified schematic diagram of the structure at B in the middle;
[0021] Figure 6 It is a schematic diagram of the structure of the movable seat of the utility model.
[0022] In the figure: 1. connecting seat; 2. limiting plate; 3. limiting door; 4. base; 5. belt conveyor; 6. lower hopper; 7. connecting pin; 8. movable pin; 9. adjustment assembly; 91. movable rod; 92. rotary drum; 93. plug block; 94. connecting rod; 95. first spring; 96. connecting block; 97. limiting block; 98. second spring; 99. steering shaft; 910. connecting rope; 911. movable seat. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-6 , a material limiting device comprises: a connecting seat 1 and a base 4, a limiting plate 2 and a lower hopper 6 are connected to the connecting seat 1 by bolts, the connecting seat 1 and the base 4 are also connected by bolts, a belt conveyor 5 is also provided on the base 4, a limiting door 3 is provided on the inner side of the limiting plate 2, a connecting pin 7 is provided on the limiting door 3, the limiting plate 2 and the limiting door 3 are movably connected through the connecting pin 7, a movable pin 8 is also plugged into the limiting door 3, and the movable pin 8 is also plugged into the limiting plate 2; there are two limiting plates 2, both of which are in contact with the side of the belt conveyor 5, the limiting door 3 is located above the belt conveyor 5, and a gap for conveying yellow sand is provided between the limiting door 3 and the belt conveyor 5, so that the overall device only needs to add a relatively simple structure to achieve the effect of limiting the material, thereby reducing the manufacturing cost of the overall device.
[0025] Adjustment component 9, the adjustment component 9 is movably arranged on the movable pin 8, and the adjustment component 9 is used to adjust the connection state between the movable pin 8 and the limit plate 2. The adjustment component 9 includes a movable rod 91, a rotary cylinder 92, an insert block 93, a connecting rod 94, a first spring 95 and a connecting block 96. The movable rod 91 is movably arranged inside the movable pin 8, the rotary cylinder 92 is rotatably arranged inside the limit plate 2, the insert block 93 is slidably arranged on the movable pin 8 and plugged into the limit plate 2, the two ends of the connecting rod 94 are movably connected with the rotary cylinder 92 and the insert block 93, the two ends of the first spring 95 are respectively fixedly connected with the insert block 93 and the movable pin 8, and the connecting block 96 is fixedly installed on the movable rod 91. The adjustment component 9 also includes a limit block 97, a second spring 98, a steering shaft 99, a connecting rope 910 and a movable seat 911. The limit block 97 is slidably arranged on the movable pin 8, and the two ends of the second spring 98 are respectively fixed with the limit block 97 and the movable pin 8 Fixed connection, the steering shaft 99 is movably arranged inside the movable pin 8, the connecting rope 910 is also movably arranged inside the movable pin 8, the movable seat 911 is slidably arranged inside the movable pin 8, the movable seat 911 is fixedly connected to the connecting rope 910, and the movable seat 911 is also rotatably connected to the movable rod 91, and the side of the connecting block 96 close to the rotary cylinder 92 is provided with a plurality of small protrusions for increasing friction, and the protrusions are plugged into the rotary cylinder 92, the end of the connecting rope 910 away from the movable seat 911 bypasses the steering shaft 99 and is fixedly connected to the limit block 97, and the part of the connecting rope 910 close to the limit block 97 is located in the internal cavity of the second spring 98 and does not contact the second spring 98, a cavity for passing the movable rod 91 is opened inside the rotary cylinder 92, and a knob is provided at the end of the movable rod 91 passing through the rotary cylinder 92, so that the operation steps of the overall device are simpler, thereby improving the overall use efficiency and meeting the use of different application scenarios.
[0026] Working principle: the connecting seat 1 is fixed to the base 4 by bolts, the belt conveyor 5 is fixed to the base 4 and is located below the limit door 3, the limit door 3 is set on the limit plate 2 by using the connecting pin 7 and the movable pin 8, and the limit door 3 can also use the connecting pin 7 to adjust its own position to meet the needs of different material limits. The limit plate 2 is also fixed on the connecting seat 1, and the upper part of the connecting seat 1 is fixed with a lower hopper 6 for receiving aggregate yellow sand. By limiting the limit door 3, the belt conveyor 5 is started, and a certain amount of yellow sand can be transported to the conveying pipeline.
[0027] The movable rod 91 moves inside the movable pin 8, the rotary cylinder 92 rotates inside the movable pin 8, the plug block 93 slides inside the movable pin 8 and is also plugged with the limit plate 2, the two ends of the connecting rod 94 are movably connected with the rotary cylinder 92 and the plug block 93, the plug block 93 also utilizes the first spring 95 and is also connected to the movable pin 8, a connecting block 96 with several small protrusions for increasing friction is fixed on the movable rod 91, the limit block 97 also slides on the movable pin 8, the two ends of the second spring 98 are respectively connected to the limit block 97 and the movable pin 8, the connecting rope 910 is composed of a thick wire and two thin wires, the ends of the two thin wires of the connecting rope 910 are respectively bypassed by two steering shafts 99 and fixedly connected with the two limit blocks 97, and the other ends of the two thin wires are fixedly connected to the thick wire of the connecting rope 910. The thick wire of the connecting rope 910 is also fixed on the movable seat 911. The movable seat 911 slides inside the movable pin 8 and is rotatably connected to the movable rod 91. The movable rod 91 is pulled, and the limit block 97 slides into the movable pin 8 under the connection of the connecting rope 910. At the same time, the connecting block 96 contacts the rotary cylinder 92. At this time, the rotary cylinder 92 will rotate with the movable rod 91, and then under the action of the connection of the connecting rod 94, the plug block 93 slides into the movable pin 8 without being plugged into the limit plate 2, so that the position of the movable pin 8 can be moved to adjust the position of the limit door 3 to meet different material limiting gears. After loosening the movable rod 91, under the action of the first spring 95 and the second spring 98, the limit block 97 and the plug block 93 return to the initial position, limiting the position of the movable pin 8, thereby limiting the position of the limit door 3.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A material limiting device, characterized in that: include: A connecting seat (1) and a base (4), a limit plate (2) and a lower hopper (6) are connected to the connecting seat (1) by bolts, the connecting seat (1) and the base (4) are also connected by bolts, a belt conveyor (5) is also provided on the base (4), a limit door (3) is provided on the inner side of the limit plate (2), a connecting pin (7) is provided on the limit door (3), the limit plate (2) and the limit door (3) are movably connected by the connecting pin (7), a movable pin (8) is also plugged into the limit door (3), and the movable pin (8) is also plugged into the limit plate (2); An adjusting component (9) is movably arranged on the movable pin (8), and the adjusting component (9) is used to adjust the connection state between the movable pin (8) and the limiting plate (2).
2. A material limiting device according to claim 1, characterized in that: The adjusting assembly (9) comprises a movable rod (91), a rotating cylinder (92), an insert block (93), a connecting rod (94), a first spring (95) and a connecting block (96); the movable rod (91) is movably arranged inside the movable pin (8); the rotating cylinder (92) is rotatably arranged inside the limiting plate (2); the insert block (93) is slidably arranged on the movable pin (8) and plugged into the limiting plate (2); the two ends of the connecting rod (94) are movably connected to the rotating cylinder (92) and the insert block (93) respectively; the two ends of the first spring (95) are fixedly connected to the insert block (93) and the movable pin (8) respectively; and the connecting block (96) is fixedly mounted on the movable rod (91).
3. A material limiting device according to claim 2, characterized in that: The adjustment assembly (9) further comprises a limit block (97), a second spring (98), a steering shaft (99), a connecting rope (910) and a movable seat (911); the limit block (97) is slidably arranged on the movable pin (8); the two ends of the second spring (98) are respectively fixedly connected to the limit block (97) and the movable pin (8); the steering shaft (99) is movably arranged inside the movable pin (8); the connecting rope (910) is also movably arranged inside the movable pin (8); the movable seat (911) is slidably arranged inside the movable pin (8); the movable seat (911) is fixedly connected to the connecting rope (910), and the movable seat (911) is also rotatably connected to the movable rod (91).
4. A material limiting device according to claim 2, characterized in that: The side of the connection block (96) close to the rotary cylinder (92) is provided with a plurality of small protrusions for increasing friction, and the protrusions are plugged into the rotary cylinder (92).
5. A material limiting device according to claim 3, characterized in that: The end of the connecting rope (910) away from the movable seat (911) passes around the steering shaft (99) and is fixedly connected to the limit block (97), and the part of the connecting rope (910) close to the limit block (97) is located in the internal cavity of the second spring (98) and does not contact the second spring (98).
6. A material limiting device according to claim 2, characterized in that: The rotating cylinder (92) has a cavity inside for the movable rod (91) to pass through, and a knob is provided at the end of the movable rod (91) that passes through the rotating cylinder (92).
7. A material limiting device according to claim 1, characterized in that: There are two limit plates (2) in total, and both limit plates (2) are in contact with the side surfaces of the belt of the belt conveyor (5).
8. A material limiting device according to claim 1, characterized in that: The limit gate (3) is located above the belt conveyor (5), and a gap for conveying yellow sand is provided between the limit gate (3) and the belt conveyor (5).