Chain plate conveying driven shaft buffering device special for steel
By installing a buffer device at the end of the sprocket connecting shaft, the problem of easy damage to the chain plate during the transportation of heavy steel is solved, thereby improving the stability and space utilization of the equipment, reducing maintenance costs, and extending the equipment life.
Patent Information
- Application Number
- CN202520567410.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Heavy steel conveyor chains are prone to damage during transportation, resulting in long maintenance cycles, reduced transportation efficiency, and low space utilization.
A buffer device is installed at the end of the connecting shaft of the sprocket, including a buffer base, a sliding block, an adjusting rod, and a buffer component. Through the cooperation of the sliding block and the adjusting rod, the buffer component absorbs the instantaneous impact load, avoids the overload stress from acting directly on the passive wheel support structure, realizes dynamic fine adjustment, and integrates the buffer function into the buffer base.
Reduce downtime and maintenance costs, improve equipment stability and efficiency, extend equipment lifespan, and reduce space waste.
Smart Images
Figure CN223920287U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the steel transportation technical field, concretely relates to a special chain plate conveying passive shaft buffer device for steel. BACKGROUND
[0002] As the key process equipment, the chain plate conveying device in the heavy steel production line transportation link directly affects the production efficiency and the service life of the equipment. The traditional configuration scheme adopts the basic framework of the active sprocket drive system and the fixed passive sprocket set cooperative work, the active sprocket is driven by the high-power variable frequency motor, and the stepless speed regulation is realized through the precision speed reducer; the passive sprocket set is rigidly fixed on the foundation through high-strength foundation bolts, and the continuous transportation of the steel is realized through the double-row heavy-duty conveying chain plate between them.
[0003] The system has the following problems in actual operation: the self-weight of the heavy steel is large, the rigid load borne by the conveying chain plate is too large, this overload condition causes the progressive mechanical damage of the passive shaft end support structure, each fault maintenance needs to stop operation, the maintenance cost is high, and the transportation efficiency is affected; the independently configured passive wheel fixing device and the maintenance device need to be separately arranged on the concrete support platform, which interferes with the main production line and affects the space utilization. UTILITY MODEL CONTENT
[0004] The utility model embodiment provides a special chain plate conveying passive shaft buffer device for steel, and aims at solving the technical problems that the conveying chain plate is easy to be damaged in the transportation process of the heavy steel, the maintenance period is long, the transportation efficiency of the heavy steel is affected, and the space utilization rate of the transportation line is low.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:
[0006] A special chain plate conveying passive shaft buffer device for steel is provided, which acts on the connecting shaft of the sprocket, characterized in that it comprises:
[0007] The buffer base is a frame structure, the inside of the buffer base forms a sliding space through itself, and the sliding space extends along the direction parallel to the axis of the connecting shaft;
[0008] The sliding block is slidably arranged in the sliding space, and the sliding direction of the sliding block is perpendicular to the axis direction of the connecting shaft, and the inside of the sliding block forms a fixing hole for connecting the connecting shaft;
[0009] The adjusting rod is slidably inserted into one end of the buffer base along the direction perpendicular to the axis of the connecting shaft, one end of the adjusting rod extends into the sliding space and is connected with the sliding block; and
[0010] A buffer is sleeved on the outer periphery of the adjusting rod and connected to the side wall of the buffer base at both ends, and the buffer is configured with a pre-tightening force to pull the adjusting rod close to the buffer base.
[0011] In a possible implementation, the buffer base comprises a base and a cover plate, the cover plate and the base enclosing the sliding space, the top of the sliding block being in sliding fit with the bottom of the cover plate, and the bottom of the sliding block being in sliding fit with the base.
[0012] In a possible implementation, the base comprises a support seat and two support columns, the bottoms of the two support columns being respectively arranged at both ends of the support seat, the two ends of the cover plate being respectively connected to the tops of the two support columns, and one end of the buffer being connected to the support column close to the adjusting rod.
[0013] In a possible implementation, the top of the cover plate is provided with a weight-reducing groove.
[0014] In a possible implementation, the buffer base further comprises two fasteners, the two fasteners being arranged at both ends of the support seat and connected to the mounting base through the support seat.
[0015] In a possible implementation, the steel special chain plate conveying passive shaft buffer device is provided with two, and the two steel special chain plate conveying passive shaft buffer devices are symmetrically arranged at both ends of the connecting shaft.
[0016] In a possible implementation, the upper surface of the base is provided with a first guide protrusion, the extension direction of the first guide protrusion being perpendicular to the axis direction of the connecting shaft, and the bottom of the cover plate is provided with a second guide protrusion corresponding to the first guide protrusion.
[0017] The top of the sliding block is provided with a second guide groove corresponding to the second guide protrusion, and the bottom of the sliding block is provided with a first guide groove corresponding to the first guide protrusion.
[0018] In a possible implementation, the outer peripheral surface of the adjusting rod is provided with a support protrusion, and the two ends of the buffer are respectively connected to the end surface of the support protrusion and the end surface of the buffer base.
[0019] In a possible implementation, a limiting sheet is arranged in the fixing hole, the plate surface of the limiting sheet being perpendicular to the long axis of the connecting shaft, the connecting shaft being provided with a groove corresponding to the limiting sheet, and the limiting sheet being inserted into the groove.
[0020] In a possible implementation, the buffer is a disc spring.
[0021] This utility model provides a steel-specific chain conveyor passive shaft buffer device. Compared with the prior art, a buffer device is set at the end of the connecting shaft of the sprocket. The sliding block is connected to the connecting shaft and slides within the sliding space of the buffer base. The sliding block is connected to the adjusting rod. When the sprocket is subjected to impact force, the connecting shaft drives the sliding block to move, the sliding block drives the adjusting rod to move, and the adjusting rod drives the buffer to stretch. The buffer absorbs the instantaneous impact load transmitted by the chain, avoiding overload stress from directly acting on the passive wheel support structure, preventing the driven sprocket from being damaged by rigid tension, reducing downtime and maintenance frequency, lowering maintenance costs, improving overall work efficiency, and extending the service life of the equipment. The displacement of the sliding block can be controlled by the adjusting rod to achieve dynamic fine adjustment of the passive wheel position to adapt to different load conditions. This application eliminates the need for a maintenance device at the driven sprocket. The cooperation of the buffer and the adjusting rod buffers the sprocket, greatly improving the stability of the equipment. The integrated design replaces the traditional rigid fixing device, integrating the buffer function into the buffer base, eliminating the need for an additional independent support platform and reducing space waste. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 A side view of a passive shaft buffer device for steel conveying chain plates provided in an embodiment of this utility model;
[0024] Figure 2 for Figure 1 Top view;
[0025] Figure 3 for Figure 1 Front cross-sectional view;
[0026] Figure 4 for Figure 3 A magnified view of part A in the image.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Buffer base; 11. Base; 111. Support seat; 112. Support column; 113. First guide protrusion; 12. Cover plate; 121. Weight reduction groove; 122. Second guide protrusion; 13. Fastener;
[0029] 2. Sliding block; 21. First guide groove; 22. Second guide groove; 23. Limiting piece;
[0030] 3. Adjusting lever; 31. Support protrusion;
[0031] 4. Buffer;
[0032] 5. Sprocket;
[0033] 6. Connecting shaft. DETAILED DESCRIPTION
[0034] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.
[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0036] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0037] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not limiting. It should be understood that the various parts shown in the drawings are not necessarily drawn to scale in proportion. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but should be considered as part of the specification, if appropriate. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0038] It should be noted that the terms "length", "width", "height", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. The orientation terms "inner" and "outer" refer to the inner and outer of the contour of each component itself.
[0039] It should also be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0040] For the convenience of description, spatial relative terms such as "above", "upper", "upper surface", "upper", etc. can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "above" other devices or structures will be positioned "below" or "below" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways, and the spatial relative description used herein is interpreted accordingly.
[0041] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In addition, the meaning of "multiple", "several" is two or more, unless otherwise explicitly specified and limited.
[0042] Please refer to Figures 1 to 4The steel special chain plate conveying passive shaft buffer device is arranged on the connecting shaft 6 of the sprocket 5, and comprises a buffer base 1, a sliding block 2, an adjusting rod 3 and a buffer piece 4. The buffer base 1 is of a frame structure, and a sliding space is formed in the buffer base 1 and extends along the direction parallel to the axis of the connecting shaft 6; the sliding block 2 is slidably arranged in the sliding space, and the sliding direction of the sliding block 2 is perpendicular to the axis direction of the connecting shaft 6; a fixing hole for connecting the connecting shaft 6 is formed in the sliding block 2; the adjusting rod 3 is slidably arranged at one end of the buffer base 1 along the direction perpendicular to the axis of the connecting shaft 6, one end of the adjusting rod 3 extends into the sliding space and is connected with the sliding block 2; and the buffer piece 4 is sleeved on the outer periphery of the adjusting rod 3 and connected with the side wall of the buffer base 1 at two ends, and the buffer piece 4 is configured with a pre-tightening force for pulling the adjusting rod 3 close to the buffer base 1.
[0043] It should be noted that the sprocket 5 is a driven sprocket, and the buffer base 1 is fixed on a foundation, which is a concrete foundation in the site, so that the buffer base 1 can be conveniently installed at a preset position.
[0044] It should be noted that the connecting shaft 6 is connected with the fixing hole of the sliding block 2, and the two sprockets 5 are symmetrically arranged on the connecting shaft 6.
[0045] It should be noted that the buffer piece 4 is a spring, and the spring has good elastic continuity, high self-strength and high recovery, and meets the requirements of the buffer piece 4; after the spring is stretched, the stress of the connecting shaft 6 can be offset by the elastic force of the spring.
[0046] Compared with the prior art, the steel special chain plate conveying passive shaft buffer device provided by the embodiment sets the buffer device at the end of the connecting shaft 6 of the sprocket 5, the sliding block 2 is connected with the connecting shaft 6 and slides in the sliding space of the buffer base 1, the sliding block 2 is connected with the adjusting rod 3, when the sprocket 5 is impacted, the connecting shaft 6 drives the sliding block 2 to move, the sliding block 2 drives the adjusting rod 3 to move, the adjusting rod 3 drives the buffer piece 4 to stretch, the instantaneous impact load transmitted by the chain plate is buffered and absorbed by the buffer piece 4, the overload stress is avoided from directly acting on the passive wheel supporting structure, the driven sprocket 5 is avoided from being damaged by the rigid tension, the number of shutdowns and maintenance is reduced, the maintenance cost is reduced, the overall working efficiency is improved, and the service life of the equipment is prolonged; the displacement amount of the sliding block 2 can be controlled through the adjusting rod 3, the dynamic fine adjustment of the passive wheel position is realized, and different load working conditions are adapted; the application does not need to set a maintenance device at the driven sprocket 5, the buffer piece 4 and the adjusting rod 3 are matched to buffer the sprocket 5, the stability of the equipment is greatly improved, the traditional rigid fixing device is replaced through integrated design, the buffering function is integrated into the buffer base 1, and an independent bearing platform does not need to be additionally arranged, so that the space waste is reduced.
[0047] In some embodiments, referring to Figures 1 to 3 , the buffer base 1 comprises a base 11 and a cover plate 12, the cover plate 12 and the base 11 enclose a sliding space, the top of the sliding block 2 is in sliding fit with the bottom of the cover plate 12, and the bottom of the sliding block 2 is in sliding fit with the base 11. The base 11 and the cover plate 12 are designed in a split type, which facilitates the installation of the sliding block 2 to the sliding space, reduces the installation difficulty, and improves the installation efficiency; the sliding block 2 is in sliding fit with the base 11 and the cover plate 12 respectively, which increases the sliding stability and avoids the sliding block 2 from being separated from the sliding space.
[0048] In specific implementation, the cover plate 12 and the base 11 are fixed by bolts, which is convenient to disassemble and has high connection strength.
[0049] In some embodiments, referring to Figure 1 and Figure 3 , the base 11 comprises a support seat 111 and two support columns 112, the bottoms of the two support columns 112 are respectively arranged at two ends of the support seat 111, the two ends of the cover plate 12 are respectively connected with the tops of the two support columns 112, and one end of the buffer 4 is connected with the support column 112 close to the adjusting rod 3. The support seat 111, the two support columns 112 and the cover plate 12 enclose a rectangular frame structure, which positions the sliding block 2 in four directions, reduces the self weight without affecting the strength of the buffer base 1; the arrangement of the support columns 112 and the support seat 111 facilitates the installation of the buffer base 1, reduces the complexity of maintenance and assembly, is beneficial to shorten the maintenance time, and further improves the transportation efficiency.
[0050] In some embodiments, referring to Figure 3 , the top of the cover plate 12 is provided with a weight-reducing groove 121. The weight-reducing groove 121 is arranged at the top of the cover plate 12, does not affect the sliding fit between the cover plate 12 and the sliding block 2, and can reduce the self weight of the cover plate 12, thereby reducing the installation difficulty and the installation strength.
[0051] In some embodiments, referring to Figure 1 , the buffer base 1 further comprises two fasteners 13, the two fasteners 13 are arranged at two ends of the support seat 111 and connected with the foundation through the support seat 111. The fastener 13 can fix the support seat 111 on the installation base, improve the working stability of the buffer base 1, and ensure that the buffer base 1 does not shift during the working process.
[0052] It should be noted that the installation base is the installation base of the support device of the connecting shaft 6 in the prior art, and a concrete pile cap does not need to be additionally arranged.
[0053] In some embodiments, referring to Figure 1 and Figure 2The two steel special chain plate conveying passive shaft buffer devices are symmetrically arranged at the two ends of the connecting shaft 6. The two steel special chain plate conveying passive shaft buffer devices are symmetrically arranged at the two ends of the connecting shaft 6, so that the pressure can be uniformly borne at the two ends of the connecting shaft 6 when the two sprockets 5 are stressed, and the axis of the connecting shaft 6 is prevented from deviating from the original direction.
[0054] In some embodiments, referring to Figures 1 to 4 The upper surface of the base 11 is provided with a first guide protrusion 113, and the extension direction of the first guide protrusion 113 is perpendicular to the axis direction of the connecting shaft 6. The bottom of the cover plate 12 is provided with a second guide protrusion 122 corresponding to the first guide protrusion 113. The top of the sliding block 2 is provided with a second guide groove 22 corresponding to the second guide protrusion 122, and the bottom of the sliding block 2 is provided with a first guide groove 21 corresponding to the first guide protrusion 113.
[0055] The sliding block 2 is in sliding cooperation with the base 11 and the cover plate 12 respectively, the first guide protrusion 113 and the first guide groove 21 are in sliding cooperation, the deviation of the connecting shaft 6 in the radial direction of the connecting shaft 6 is limited, the second guide protrusion 122 and the second guide groove 22 are in sliding cooperation, and the deviation of the sliding block 2 in the up-down direction during sliding is avoided. The sliding block 2 always moves along the direction perpendicular to the axis of the connecting shaft 6, and the working stability is improved.
[0056] In some embodiments, referring to Figure 1 The outer circumferential surface of the adjusting rod 3 is provided with a supporting protrusion 31, and the two ends of the buffer member 4 are respectively connected with the end surface of the supporting protrusion 31 and the end surface of the buffer base 1. The supporting protrusion 31 limits one end of the buffer member 4, the two ends of the buffer member 4 are respectively connected with the buffer base 1 and the supporting protrusion 31, the connection area is increased, and the buffer member 4 drives the adjusting rod 3 for buffering.
[0057] In specific implementation, the supporting protrusion 31 is a bolt, which is fixed on the outer periphery of the adjusting rod 3 to improve the connection strength. The bolt has a wide source and low cost. The bolt can also adjust the position on the adjusting rod 3, thereby adjusting the buffering force of the buffer member 4, and improving the use convenience.
[0058] In some embodiments, referring to Figure 3 and Figure 4 A limiting piece 23 is arranged in the fixing hole, and the plate surface of the limiting piece 23 is perpendicular to the long axis of the connecting shaft 6. The connecting shaft 6 is provided with a groove corresponding to the limiting piece 23, and the limiting piece 23 is inserted into the groove. The limiting piece 23 is fixed in the fixing hole, and the groove on the connecting shaft 6 and the limiting piece 23 are clamped and fixed to limit the displacement of the connecting shaft 6 in the axis direction of the connecting shaft 6, thereby increasing the movement stability of the connecting shaft 6.
[0059] In some embodiments, the buffer 4 is a disc spring. The disc spring is capable of deforming, has strong buffering and shock absorbing capacity, is suitable for impact load environment, can bear large load with small deformation, and meets use requirements.
[0060] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A special steel chain plate conveying passive shaft buffer device acting on the connecting shaft of the sprocket, characterized in that, It comprises: a buffer base, which is a frame structure, the inside of the buffer base forms a sliding space through itself, the sliding space extends along the direction parallel to the axis of the connecting shaft; a sliding block, which is slidingly arranged in the sliding space, the sliding direction of the sliding block is perpendicular to the axis direction of the connecting shaft, the inside of the sliding block forms a fixing hole for connecting the connecting shaft; an adjusting rod, which is slidingly inserted into one end of the buffer base along the direction perpendicular to the axis of the connecting shaft, one end of the adjusting rod extends into the sliding space and is connected with the sliding block; and a buffer piece, which is sleeved on the outer periphery of the adjusting rod, and the two ends of the buffer piece are respectively connected with the adjusting rod and the side wall of the buffer base, the buffer piece is configured with a pre-tightening force for pulling the adjusting rod close to the buffer base.
2. The chain conveyor idler for steel products as claimed in claim 1, wherein The buffer base comprises a base and a cover plate, the cover plate and the base enclose the sliding space, the top of the sliding block slidingly fits with the bottom of the cover plate, and the bottom of the sliding block slidingly fits with the base.
3. The chain conveyor idler for steel products as claimed in claim 2, wherein The base comprises a support seat and two support columns, the bottoms of the two support columns are respectively arranged at the two ends of the support seat, the two ends of the cover plate are respectively connected with the tops of the two support columns, and one end of the buffer piece is connected with the support column close to the adjusting rod.
4. The chain conveyor idler as set forth in claim 2, wherein The top of the cover plate is provided with a weight-reducing groove.
5. The chain conveyor idler as claimed in claim 3, wherein the chain conveyor idler is made of steel material. The buffer base further comprises two fasteners, the two fasteners are arranged at the two ends of the support seat and connected with the mounting base through the support seat.
6. The chain conveyor idler for steel products as claimed in claim 1, wherein The steel special chain plate conveying passive shaft buffer device is provided with two, and the two steel special chain plate conveying passive shaft buffer devices are symmetrically arranged at the two ends of the connecting shaft.
7. The chain conveyor idler for steel products as claimed in claim 2, wherein The upper surface of the base is provided with a first guide protrusion, the extension direction of the first guide protrusion is perpendicular to the axis direction of the connecting shaft, and the bottom of the cover plate is provided with a second guide protrusion corresponding to the first guide protrusion; The top of the sliding block is provided with a second guide groove corresponding to the second guide protrusion, and the bottom of the sliding block is provided with a first guide groove corresponding to the first guide protrusion.
8. The chain conveyor idler for steel products as claimed in claim 1, wherein The outer peripheral surface of the adjusting rod is provided with a support protrusion, and the two ends of the buffer piece are respectively connected with the end surface of the support protrusion and the end surface of the buffer base.
9. The chain conveyor idler for steel products as claimed in claim 1, wherein The fixing hole is provided with a limiting piece, the plate surface of the limiting piece is perpendicular to the long axis of the connecting shaft, the connecting shaft is provided with a groove corresponding to the limiting piece, and the limiting piece is inserted into the groove.
10. The chain conveyor drive sprocket as claimed in claim 1, wherein The buffer piece is a disc spring.