Ground pulley

Abstract

The utility model provides a ground pulley relates to ground pulley technical field, ground pulley includes pulley body and support assembly, be provided with installation clip cavity on the support assembly, be provided with the sunken groove on the opposite two cavity walls of installation clip cavity, the sunken groove with the end face shape cooperation of pulley body, pulley body rotatable setting in installation clip cavity, and end face inserts to the corresponding sunken groove in, and with corresponding sunken groove gap cooperation, the utility model can effectively eliminate the transverse gap between pulley body and support assembly to prevent the rope from being clamped along the vertical direction effectively, and when the rope is off tracking, the edge of pulley body can limit the rope transverse clamping, and the effect of preventing the rope is remarkable, not only can effectively improve the stability of device operation, prolong the service life of device, but also can reduce the maintenance frequency caused by the rope, improve the operation efficiency, reduce the maintenance cost, and the compact structure is firm.

Description

Technical Field

[0001] This utility model relates to the field of ground pulley technology, and specifically to a ground pulley. Background Technology

[0002] Pulleys, as a common force transmission auxiliary device, are widely used in construction, logistics, and agricultural operations. They mainly achieve force direction change and load transfer through the rotation of the pulley body in conjunction with ropes. Most existing pulley support structures use an integrated vertical plate bracket, with two parallel vertical steel plates mounted on the bracket body. The pulley body is fixed between the two vertical steel plates via a central shaft.

[0003] Because the pulley body needs to rotate freely, a certain gap must be reserved between its end face and the vertical plate to avoid frictional interference. However, this structure has a significant drawback: when the rope is under load, it is easy for the rope to get stuck in the open lateral gap between the end face and the vertical plate, resulting in jamming. This not only hinders the normal rotation of the pulley and affects work efficiency, but may also cause excessive local wear of the rope, and even lead to safety hazards such as rope breakage or falling off the pulley, seriously threatening work safety and equipment lifespan. In addition, the machine needs to be stopped for cleaning after the rope gets stuck, and frequent troubleshooting will reduce overall work efficiency and increase maintenance costs. Utility Model Content

[0004] The purpose of this utility model is to provide a ground pulley to solve the above-mentioned technical problems existing in the prior art; the preferred technical solution among the many technical solutions provided by this utility model can produce many technical effects, as detailed below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a ground pulley, including a pulley body and a support assembly, wherein: the support assembly is provided with a mounting cavity, and two opposite cavity walls of the mounting cavity are provided with grooves, the grooves being matched with the end face shape of the pulley body; the pulley body is rotatably disposed in the mounting cavity, and its end face is inserted into the corresponding groove and is in clearance fit with the corresponding groove.

[0007] Preferably, the support assembly includes two support members, wherein: the two support members are arranged opposite to each other, the opposite surfaces of the two support members are set as mounting surfaces, the groove is set on the mounting surface, and the two support members form the mounting cavity; a mounting shaft for mounting the pulley body is provided between the two support members.

[0008] Preferably, the support member includes an integrally formed flat plate and a vertical plate, wherein: the vertical plate is vertically arranged on the flat plate; and the sinkhole is arranged on the vertical plate.

[0009] Preferably, the support assembly includes a connector for connecting the two support members.

[0010] Preferably, the number of the connecting members is set to two, and the two connecting members are symmetrically arranged on both sides of the pulley body.

[0011] Preferably, the connector is configured as a connecting plate.

[0012] Preferably, the connector and the support are provided with an installation structure, and the connector and the support are detachably mounted on the ground through the installation structure; the installation structure includes a first mounting hole, a second mounting hole and a threaded fastener, the first mounting hole and the second mounting hole are respectively provided on the connector and the support, and the threaded fastener passes through the connector and the support and is connected to the ground.

[0013] Preferably, the first mounting hole is configured as an oblong hole.

[0014] Preferably, the connector is provided with a limiting structure; the limiting structure includes a limiting groove, and the support member is inserted into and connected to the limiting groove.

[0015] Preferably, the connector and the support are provided with a positioning structure, and the connector and the support are positioned and connected by the positioning structure; the positioning structure includes a first positioning hole, a second positioning hole and a positioning pin, the first positioning hole and the second positioning hole are respectively provided on the connector and the support, and the positioning pin passes through the first positioning hole and the second positioning hole.

[0016] The pulley provided by this utility model has at least the following beneficial effects:

[0017] I. Eliminate the risk of rope getting stuck:

[0018] The mounting cavity of the support component forms a shape fit with the end face of the pulley body through a recessed groove, and the two are in a clearance fit. Compared with the existing open gap between the vertical plate and the pulley, the recessed groove structure of the cavity wall eliminates the lateral gap between the pulley end face and the support component, preventing the rope from getting stuck vertically. At the same time, the groove's wrapping effect provides lateral restraint for the rope, effectively preventing the rope from getting stuck in the gap laterally due to deviation, thus fundamentally avoiding the risks of jamming, wear, and falling off.

[0019] II. Improve operational stability:

[0020] The shape matching between the groove and the pulley end face can form a radial constraint on the pulley body, reduce the swaying or deviation of the pulley during rotation, ensure that the rope is always stably transmitted within the pulley groove, and improve the operational reliability of the ground pulley under complex working conditions.

[0021] III. Extending equipment lifespan:

[0022] By avoiding rope jamming and excessive wear, not only is rope wear reduced, but damage to the pulley body and support components caused by abnormal stress is also reduced, significantly extending the overall service life of the ground pulley.

[0023] IV. Improve work efficiency:

[0024] This reduces downtime and maintenance due to rope jamming, lowers maintenance costs, and ensures the continuity of the work process through stable transmission performance, indirectly improving overall work efficiency.

[0025] V. Compact and reliable structure:

[0026] The design of the mounting cavity and groove makes the fit between the support components and the pulley body tighter. While ensuring the pulley can rotate flexibly, it simplifies the overall structure and enhances the support stability, making it suitable for a variety of heavy-load or complex working conditions. Attached Figure Description

[0027] 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.

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is an exploded view of the pulley body and support assembly of this utility model;

[0030] Figure 3 This is an exploded view of the two support components of this utility model;

[0031] Figure 4 This is a schematic diagram of the installation structure and positioning structure of this utility model;

[0032] Figure 5 This is a schematic diagram of the limiting structure of this utility model.

[0033] Figure Labels

[0034] 1. Pulley body; 2. Support assembly; 21. Support component; 211. Flat plate; 212. Vertical plate; 2121. Slot; 22. Connecting component; 23. Mounting shaft; 231. Bearing; 24. Mounting structure; 241. Threaded fastener; 242. First mounting hole; 243. Second mounting hole; 25. Limiting structure; 251. Limiting groove; 26. Positioning structure; 261. Positioning pin; 262. First positioning hole; 263. Second positioning hole. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0036] Example 1:

[0037] This utility model provides a ground pulley, for reference. Figures 1 to 5 As shown, the ground pulley includes a pulley body 1 and a support assembly 2.

[0038] The support assembly 2 is provided with an installation clamping cavity, and two opposite cavity walls of the installation clamping cavity are provided with grooves 2121. The grooves 2121 are matched with the end face shape of the pulley body 1. The pulley body 1 is rotatably disposed in the installation clamping cavity, and its end face is inserted into the corresponding groove 2121 and is in clearance fit with the corresponding groove 2121.

[0039] In use, the support assembly 2 is fixed to the ground, and the pulley body 1 is rotatably installed in the above-mentioned mounting cavity. The two end faces of the pulley body 1 are respectively inserted into the two sinkers 2121, and the rope passes through the pulley body 1.

[0040] When the rope is under load, the groove 2121 wraps around the end face of the pulley body 1, thus effectively eliminating the lateral gap between the end face of the pulley body 1 and the support component 2. Since the main force from the rope on the pulley body 1 is vertical, it effectively prevents the rope from getting stuck vertically. At the same time, when the rope deviates, the edge of the groove 2121 can limit the lateral getting stuck of the rope because the end face of the pulley body 1 matches the shape of the groove 2121. The anti-snagging effect is significant, which not only effectively improves the stability of the device operation and extends the service life of the device, but also reduces the number of maintenance caused by rope jamming, improves work efficiency, and reduces maintenance costs. At the same time, the structure is compact, robust and reliable.

[0041] Example 2:

[0042] Example 2 is based on Example 1:

[0043] like Figures 1 to 5 As shown, the support component 2 includes two support members 21.

[0044] Two support members 21 are arranged opposite each other, and the opposite surfaces of the two support members 21 are set as mounting surfaces. A recess 2121 is set on the mounting surface, and the two support members 21 form the mounting cavity.

[0045] The two support components 21 adopt a split structure, which not only enables the disassembly and assembly of the pulley body 1, but also makes the disassembly and assembly operation convenient and quick.

[0046] A mounting shaft 23 for mounting the pulley body 1 is provided between the two support members 21.

[0047] Specifically, the tail section of the mounting shaft 23 is threaded, and it is fitted with a nut and installed on two support members 21. The middle section of the mounting shaft 23 is located between the two support members 21, and a bearing 231 is fitted on it. The pulley body 1 is rotatably mounted on the mounting shaft 23 via the bearing 231.

[0048] As an optional implementation, the support member 21 includes a flat plate 211 and a vertical plate 212. The vertical plate 212 is vertically disposed at the edge of the flat plate 211. The vertical plate 212 and the flat plate 211 are integrally disposed and formed by bending, forming an L-shape. The sinkhole 2121 is disposed on the vertical plate 212.

[0049] With this configuration, on the one hand, the flat plate 211 can provide a stable bottom support foundation, enhancing the structural stability of the support component 21 itself; on the other hand, the vertical setting of the upright plate 212 can better match the end face of the pulley body 1, and the groove 2121 set on the upright plate 212 can accurately limit the installation of the pulley body 1, ensuring the positional stability of the pulley body 1 during rotation and reducing swaying.

[0050] As an optional implementation, the support component 2 includes a connector 22 for connecting the two support members 21.

[0051] The connector 22 connects the two support members 21, which can stably connect the two support members 21 into a whole, enhance the structural strength and stability of the support component 2, prevent the two support members 21 from being displaced relative to each other during use, thereby ensuring the stability of the pulley body 1 and improving the overall reliability of the pulley.

[0052] As an optional implementation, the number of connectors 22 is set to two, and the two connectors 22 are symmetrically arranged on both sides of the pulley body 1; so that the force is more balanced and the connection between the two support members 21 is further improved.

[0053] As an optional implementation, the connector 22 is configured as a connecting plate, which has a simple structure and a large contact area and good connection stability.

[0054] As an optional implementation, the connector 22 and the support 21 are provided with a mounting structure 24, and the connector 22 and the support 21 are detachably mounted on the ground through the mounting structure 24.

[0055] Current ground pulleys typically use welding to install their pulley brackets, which is cumbersome and difficult to maintain later. This invention achieves detachable installation through the installation structure 24, making it not only more flexible and convenient to use, but also easy to assemble and disassemble, facilitating later maintenance.

[0056] The mounting structure 24 includes a first mounting hole 242, a second mounting hole 243, and a threaded fastener 241. The first mounting hole 242 is provided on the connector 22, and the second mounting hole 243 is provided on the plate 211. During installation, the threaded fastener 241 passes through the connector 22 and the support 21 and is connected to the ground.

[0057] The use of threaded fasteners ensures a secure and reliable connection, guaranteeing a firm grip on the ground during use and preventing displacement, thus enhancing safety.

[0058] As an optional implementation, the first mounting hole 242 is configured as an elongated hole.

[0059] The use of elongated holes allows for adaptive adjustment of the position of the connector 22 during installation, facilitating the installation of the threaded fastener 241, thereby reducing installation difficulty and improving installation efficiency.

[0060] As an optional implementation, a limiting structure 25 is provided on the connector 22.

[0061] The limiting structure 25 includes a limiting groove 251, and the upright plate 212 is plugged into and connected to the limiting groove 251.

[0062] The limiting structure 25 and the mounting structure 24 work together to effectively ensure the firmness of the connection without affecting the installation operation.

[0063] As an optional implementation, the connector 22 and the support 21 are provided with a positioning structure 26, and the connector 22 and the support 21 are positioned and connected by the positioning structure 26.

[0064] The positioning structure 26 is set to position the connector 22 and the support 21, making the connection position more accurate, ensuring assembly accuracy, and thus ensuring the clearance fit accuracy between the support 21 and the pulley body 1.

[0065] Specifically, the positioning structure 26 includes a first positioning hole 262, a second positioning hole 263, and a positioning pin 261. The first positioning hole 262 is provided on the connector 22, the second positioning hole 263 is provided on the plate 211, and the positioning pin 261 passes through the first positioning hole 262 and the second positioning hole 263.

[0066] In the description of this application, it should be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0067] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0068] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0069] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A type of ground pulley, characterized in that, Includes the pulley body and support components, wherein: The support assembly is provided with a mounting cavity, and two opposite cavity walls of the mounting cavity are provided with grooves, which are matched with the end face shape of the pulley body. The pulley body is rotatably disposed in the mounting clamp cavity, and its end face is inserted into the corresponding sink groove and is in clearance fit with the corresponding sink groove.

2. The pulley according to claim 1, characterized in that, The support assembly includes two support members, wherein: The two support members are arranged opposite to each other, and the opposite surfaces of the two support members are set as mounting surfaces. The groove is set on the mounting surface, and the two support members form the mounting cavity. A mounting shaft for mounting the pulley body is provided between the two support members.

3. The pulley according to claim 2, characterized in that, The support member includes an integrally formed flat plate and a vertical plate, wherein: The upright plate is vertically mounted on the flat plate; The settling tank is installed on the vertical plate.

4. The pulley according to claim 2, characterized in that, The support assembly includes a connector for connecting the two support members.

5. The pulley according to claim 4, characterized in that, The number of connecting parts is set to two, and the two connecting parts are symmetrically arranged on both sides of the pulley body.

6. The pulley according to claim 4, characterized in that, The connector is configured as a connecting plate.

7. The pulley according to claim 4, characterized in that, The connector and the support are provided with an installation structure, and the connector and the support are detachably mounted on the ground through the installation structure; The mounting structure includes a first mounting hole, a second mounting hole, and a threaded fastener. The first mounting hole and the second mounting hole are respectively provided on the connector and the support. The threaded fastener passes through the connector and the support and is connected to the ground.

8. The pulley according to claim 7, characterized in that, The first mounting hole is configured as an oblong hole.

9. The pulley according to claim 4, characterized in that, The connector is provided with a limit structure; The limiting structure includes a limiting groove, and the support member is inserted into and connected to the limiting groove.

10. The pulley according to claim 4, characterized in that, The connector and the support are provided with positioning structures, and the connector and the support are positioned and connected through the positioning structures; The positioning structure includes a first positioning hole, a second positioning hole, and a positioning pin. The first positioning hole and the second positioning hole are respectively disposed on the connector and the support, and the positioning pin passes through the first positioning hole and the second positioning hole.

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