Lock nut pushing and pressing tool
By designing a push-lock nut tooling and utilizing the rolling elements of the mounting frame and rotating components for support, the problem of difficult installation of the electric shovel push-lock nut was solved, achieving a stable and efficient installation process and improving coal mine production efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI SHENYAN COAL CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-21
AI Technical Summary
During the installation of the electric shovel push lock nut, the existing technology has problems such as installation difficulty, instability, easy detachment, high labor intensity, and low efficiency, which affect the production efficiency and safety of coal mines.
A push-lock nut tooling is designed, including a mounting frame, a connecting support assembly, and a rotating assembly. It uses rolling elements to support and rotate the push-lock nut, providing a stable installation space and adapting to the installation requirements of limited space.
It enables stable installation of push-lock nuts, reduces manpower and material consumption, improves installation efficiency and safety, and meets the installation requirements of electric shovels in open-pit coal mines.
Smart Images

Figure CN224144567U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coal mine electromechanical equipment technology, specifically to a push-lock nut tooling. Background Technology
[0002] In coal mine production operations, the stable operation of electromechanical equipment is crucial. As a core mining equipment, the electric shovel undertakes key tasks such as digging and loading coal, and its operational stability directly affects the production efficiency and safety of the coal mine.
[0003] Currently, the installation of electric shovel push-lock nuts mainly relies on cranes for hoisting operations. Due to the narrow space of the electric shovel push-lock platform, the number of personnel that can be accommodated is limited, making it difficult to obtain effective assistance from other personnel during the disassembly and installation of the push-lock nuts. During operation, the crane provides a vertical upward lifting force, which differs significantly in direction from the force required for installing the push-lock nuts, making the installation work difficult and inefficient. To avoid disrupting the normal installation process, lifting slings are typically used to secure the push-lock nuts in a loop during hoisting. However, this method is not secure enough, and the push-lock nuts are prone to detachment, potentially causing electromechanical safety accidents. The overall labor intensity of the push-lock nut disassembly and installation process is high, requiring significant manpower and resources, resulting in low production efficiency and severely impacting coal mine production efficiency. Utility Model Content
[0004] To at least partially address the problems existing in the prior art, according to one aspect of the present invention, a push-lock nut tooling is provided. The push-lock nut tooling includes: a mounting frame, comprising a first mounting bracket and a second mounting bracket spaced apart from each other; a connecting support assembly connected between the first mounting bracket and the second mounting bracket; and a rotating assembly, comprising a support member and a rolling member, one end of the support member being connected to the first mounting bracket and the other end to the second mounting bracket, the rolling member being sleeved on the support member and rotatable relative to the support member, the rotating assembly, the first mounting bracket, and the second mounting bracket together forming an installation space for installing the push-lock nut.
[0005] For example, there are at least two rotating components arranged at intervals, and the installation space is located between the at least two rotating components.
[0006] For example, both the first mounting bracket and the second mounting bracket are arc-shaped ring structures, and the first mounting bracket and the second mounting bracket overlap each other in the horizontal direction.
[0007] For example, a rotating component is connected between the midpoint of the first mounting bracket and the midpoint of the second mounting bracket, and the rotating components are symmetrically arranged on opposite sides of the arc at the midpoint.
[0008] For example, the support member is cylindrical and connected between the first mounting bracket and the second mounting bracket, and the rolling member is cylindrical and sleeved on the outside of the support member.
[0009] For example, the connection support assembly includes a connection plate that is connected between the bottom of the first mounting bracket and the bottom of the second mounting bracket.
[0010] For example, the connecting plate extends along the extending direction of the first mounting bracket and the second mounting bracket, and in the extending direction,
[0011] The length of the connecting plate accounts for no less than 20% of the length of the first mounting bracket, and / or the length of the connecting plate accounts for no less than 20% of the length of the second mounting bracket.
[0012] For example, the connecting support assembly further includes a first connecting rib and a second connecting rib. One end of the first connecting rib is connected to the first mounting bracket and the other end is connected to the second mounting bracket. One end of the second connecting rib is connected to the first mounting bracket and the other end is connected to the second mounting bracket. The first connecting rib and the second connecting rib are spaced apart from the connecting plate and are located on opposite sides of the connecting plate, respectively.
[0013] For example, the top end of the first mounting bracket and / or the top end of the second mounting bracket are provided with lifting lugs.
[0014] For example, the first mounting bracket and / or the second mounting bracket are made of steel.
[0015] The push-lock nut fixture provided in this application embodiment confines the push-lock nut within the installation space, preventing it from falling off and ensuring its stability and reliability during installation. During installation, the push-lock nut fixture can be lifted by a crane, and the push-lock nut rotates. The rolling element in contact with the push-lock nut rotates, providing upward support without affecting its rotation, making installation simpler and more efficient. The rotation of the rolling element effectively reduces the contact area with the push-lock nut, making rotation easier. This allows for disassembly and installation with fewer operators, adapting to limited working spaces, especially suitable for installing push-lock nuts on electric shovels in open-pit coal mines. The simpler and more efficient installation process reduces manpower and material consumption, ensuring higher production efficiency in the coal mine. By rationally designing the structure of the mounting frame, the push-lock nut fixture can be made smaller, ensuring good operability during maintenance work in confined spaces.
[0016] This utility model description introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This utility model description is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to limit the scope of protection of the claimed technical solution.
[0017] The advantages and features of this utility model will be described in detail below with reference to the accompanying drawings. Attached Figure Description
[0018] The following drawings, which are incorporated herein by reference as part of this invention, are provided for understanding the invention. The drawings illustrate embodiments of the invention and their descriptions, serving to explain the principles of the invention. In the drawings,
[0019] Figure 1 This is a front view of a push-lock nut tooling according to an exemplary embodiment of the present invention;
[0020] Figure 2 This is a top view of a push-lock nut tooling according to an exemplary embodiment of the present invention;
[0021] Figure 3 This is a side view of a push-lock nut tooling according to an exemplary embodiment of the present invention.
[0022] The above figures include the following reference numerals:
[0023] 10. Push-lock nut tooling; 110. Mounting frame; 1110. First mounting frame; 1120. Second mounting frame; 1130. Lifting lug; 120. Connecting support assembly; 1210. Connecting plate; 1220. First connecting rib; 130. Rotating assembly; 1310. Support component; 1320. Rolling component. Detailed Implementation
[0024] In the following description, numerous details are provided to enable a thorough understanding of the present invention. However, those skilled in the art will appreciate that the following description merely illustrates preferred embodiments of the present invention, which may be practiced without one or more of these details. Furthermore, to avoid confusion with the present invention, some technical features well-known in the art have not been described in detail.
[0025] This utility model provides a push-press lock nut tooling. This push-press lock nut tooling can be applied to the installation process of any type of electric shovel push-press lock nut. (Refer to reference...) Figure 1 , Figure 2 and Figure 3The push-lock nut fixture 10 includes a mounting frame 110, a connecting support assembly 120, and a rotating assembly 130. The mounting frame 110 includes a first mounting bracket 1110 and a second mounting bracket 1120 spaced apart from each other. Both the first mounting bracket 1110 and the second mounting bracket 1120 can be generally plate-shaped. The push-lock nut is installed between the first mounting bracket 1110 and the second mounting bracket 1120. The connecting support assembly 120 can connect the first mounting bracket 1110 and the second mounting bracket 1120, ensuring the connection and fixation between the first mounting bracket 1110 and the second mounting bracket 1120, thus ensuring the overall stability of the push-lock nut fixture 10. The rotating assembly 130 may include a support member 1310 and a rolling member 1320. One end of the support member 1310 is connected to the first mounting bracket 1110 and the other end is connected to the second mounting bracket 1120. The rolling member 1320 is sleeved on the support member 1310 and is rotatable relative to the support member 1310. The rotating assembly 130, the first mounting bracket 1110, and the second mounting bracket 1120 together enclose an installation space for installing the push lock nut. The support member 1310 can provide support for the rolling member 1320, ensuring that the rotating assembly 130 is stable relative to the mounting bracket 110. The push lock nut is placed in the installation space, and its outer edge can be supported on the rolling member 1320. When the push lock nut needs to be installed, the push lock nut rotates, and the rolling member 1320 can rotate, making it easier for the push lock nut to rotate.
[0026] The push-lock nut fixture 10 provided in this embodiment confines the push-lock nut within the installation space, preventing it from falling off and ensuring its stability and reliability during installation. During installation, the push-lock nut fixture 10 can be lifted by a crane, and the push-lock nut can be rotated. The rolling element 1320 in contact with the push-lock nut rotates, providing upward support without affecting its rotation, making installation simpler and more efficient. The rotation of the rolling element 1320 effectively reduces the contact area with the push-lock nut, making rotation easier. This allows for disassembly and installation with fewer operators, adapting to limited workspaces. It is particularly suitable for installing push-lock nuts on electric shovels in open-pit coal mines, reducing manpower and material consumption and ensuring higher production efficiency. By rationally designing the structure of the mounting frame 110, the size of the push-lock nut tooling 10 can be reduced, ensuring good operability during maintenance operations in confined spaces.
[0027] For example, in conjunction with reference Figure 1 and Figure 2The rotating components 130 can be at least two and spaced apart, with the installation space located between the at least two rotating components 130. This provides support for the push-lock nut from different angles, resulting in more even force distribution, effectively dispersing the forces during installation, avoiding localized stress concentration, and improving the stability and reliability of the installation process. When the push-lock nut fixture 10 rotates, the coordinated action of the at least two rotating components 130 ensures the stability of the push-lock nut's rotation during installation.
[0028] For example, refer to Figure 1 Both the first mounting bracket 1110 and the second mounting bracket 1120 have an arc-shaped ring structure, and they overlap each other horizontally. The arc-shaped ring structure better matches the shape of the push-lock nut, resulting in a more compact and stable structure. The push-lock nut fixture 10 has higher structural strength, meeting the high material reliability requirements of the complex operating conditions in open-pit mine production sites. The arc-shaped ring structure makes the push-lock nut fixture 10 smaller, ensuring good operability during maintenance work in confined spaces. The push-lock nut fixture 10 is also lighter, ensuring good follow-up performance during maintenance.
[0029] For example, refer to Figure 1 A rotating assembly 130 can be connected between the midpoint of the first mounting bracket 1110 and the midpoint of the second mounting bracket 1120, and the rotating assemblies 130 are symmetrically arranged on opposite sides of the arc at the midpoint. The midpoint can be understood as a point on the arc-shaped ring structure, which is equidistant from both ends. This arrangement makes the distribution of the rotating assemblies 130 more uniform, ensuring balanced force on the push lock nut during installation, and further guaranteeing installation stability and reliability.
[0030] For example, in conjunction with reference Figure 1 and Figure 3 The support member 1310 can be cylindrical and connected between the first mounting bracket 1110 and the second mounting bracket 1120, while the rolling member 1320 can be cylindrical and sleeved around the support member 1310. The cylindrical rolling member 1320 sleeved around the support member 1310 is more suitable for the rotational operation required for installing the push-lock nut, reducing installation resistance. Operators can easily apply rotational force, significantly improving installation efficiency. The combination of the cylindrical support member 1310 and the cylindrical rolling member 1320 can evenly distribute force, reduce component wear, and extend the tooling service life.
[0031] For example, in conjunction with reference Figure 1 and Figure 3The connecting support assembly 120 may include a connecting plate 1210, which is connected between the bottom of the first mounting bracket 1110 and the bottom of the second mounting bracket 1120. The connecting plate 1210 can enhance the contact surface between the push-lock nut tool 10 and the ground, improving the security of the push-lock nut tool 10. For example, the connecting plate 1210 may be an arc-shaped structure. Alternatively, the connecting plate 1210 may be a flat plate structure.
[0032] For example, refer to Figure 1 The connecting plate 1210 extends along the extension direction of the first mounting bracket 1110 and the second mounting bracket 1120, and in the extension direction, the length of the connecting plate 1210 accounts for no less than 20% of the length of the first mounting bracket 1110, and / or, the length of the connecting plate 1210 accounts for no less than 20% of the length of the second mounting bracket 1120. This arrangement effectively enhances the overall structural strength of the push-lock nut tooling 10. The connecting plate 1210 tightly connects the first mounting bracket 1110 and the second mounting bracket 1120, distributing the force evenly, avoiding local stress concentration, ensuring the stability of the connection, preventing deformation or breakage of the mounting brackets, and improving the adaptability of the push-lock nut tooling 10 to complex working conditions.
[0033] For example, refer to Figure 1 The connecting support assembly 120 further includes a first connecting rib 1220 and a second connecting rib. One end of the first connecting rib 1220 is connected to the first mounting bracket 1110 and the other end is connected to the second mounting bracket 1120. One end of the second connecting rib is connected to the first mounting bracket 1110 and the other end is connected to the second mounting bracket 1120. Both the first connecting rib 1220 and the second connecting rib are spaced apart from the connecting plate 1210 and are located on opposite sides of the connecting plate 1210. The arrangement of the first connecting rib 1220 and the second connecting rib can further enhance the overall structural strength of the push-lock nut tooling 10. For example, the first connecting rib 1220 and the second connecting rib can be symmetrically arranged on both sides of the connecting plate 1210. For example, the connecting support assembly 120 can be located below the middle of the mounting bracket 110 to limit the movement of the push-lock nut.
[0034] For example, refer to Figure 1 and Figure 3The top end of the first mounting bracket 1110 and / or the top end of the second mounting bracket 1120 may be provided with lifting lugs 1130. The lifting lugs 1130 provide standardized lifting connection points for the push-lock nut tooling 10, facilitating quick connection with cranes and other lifting equipment via ropes, hooks, and other tools. This allows for coordinated operation with operators using crane assistance, simplifying the lifting process and reducing installation preparation time. Preferably, both the top end of the first mounting bracket 1110 and the top end of the second mounting bracket 1120 may be provided with lifting lugs 1130. This ensures that the push-lock nut tooling 10 remains balanced during lifting, avoiding safety hazards caused by tilting or swaying.
[0035] For example, refer to Figure 1 The first mounting bracket 1110 and / or the second mounting bracket 1120 are made of steel. Steel possesses high strength and high toughness, enabling it to withstand the enormous loads and impacts during the installation of the push-lock nut, preventing deformation or breakage of the mounting bracket and ensuring safe and stable operation. Its excellent wear resistance and fatigue resistance extend the service life of the tooling and reduce maintenance costs.
[0036] In the description of this utility model, it should be understood that the directional terms such as "front", "rear", "up", "down", "left", "right", "horizontal", "vertical", "horizontal", "top", and "bottom" indicate the orientation or positional relationship, which are usually based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.
[0037] For ease of description, relative terms such as "above," "over," "on the upper surface of," and "above" are used here to describe the regional positional relationship of one or more components or features shown in the figures to other components or features. It should be understood that relative terms include not only the orientation of the component as depicted in the figure but also different orientations during use or operation. For example, if the components in the figures are inverted as a whole, "above" or "above other components or features" will include cases where the component is "below" or "under" other components or features. Thus, the exemplary term "above" can include both "above" and "below." Furthermore, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and this document intends to include all such cases.
[0038] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, parts, components, and / or combinations thereof.
[0039] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.
[0040] This utility model has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative purposes only and are not intended to limit the utility model to the described embodiments. Furthermore, those skilled in the art will understand that this utility model is not limited to the above embodiments, and many more variations and modifications can be made based on the teachings of this utility model, all of which fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A push lock nut tooling, characterized by, include: The mounting frame includes a first mounting frame and a second mounting frame that are spaced apart from each other. A connecting support assembly is provided, which connects the first mounting bracket and the second mounting bracket. as well as A rotating assembly includes a support member and a rolling member. One end of the support member is connected to the first mounting bracket and the other end is connected to the second mounting bracket. The rolling member is sleeved on the support member and is rotatable relative to the support member. The rotating assembly, the first mounting bracket, and the second mounting bracket together enclose an installation space for installing a push lock nut.
2. The push lock nut tooling of claim 1, wherein, The rotating components are at least two and spaced apart, and the mounting space is located between the at least two rotating components.
3. The push lock nut tooling of claim 2, wherein, Both the first mounting bracket and the second mounting bracket have an arc-shaped ring structure, and the first mounting bracket and the second mounting bracket overlap each other in the horizontal direction.
4. The push lock nut tooling of claim 3, wherein, The rotating assembly is connected between the midpoint of the first mounting bracket and the midpoint of the second mounting bracket, and the rotating assembly is symmetrically arranged on opposite sides of the arc at the midpoint.
5. The push lock nut tooling of claim 1, wherein, The support member is cylindrical and connected between the first mounting frame and the second mounting frame, and the rolling member is cylindrical and sleeved on the outside of the support member.
6. The push lock nut tooling of claim 1, wherein, The connecting support assembly includes a connecting plate, which is connected between the bottom of the first mounting bracket and the bottom of the second mounting bracket.
7. The push lock nut tooling of claim 6, wherein, The connecting plate extends along the extending directions of the first mounting bracket and the second mounting bracket, and in the extending direction, The length of the connecting plate is not less than 20% of the length of the first mounting frame, and / or the length of the connecting plate is not less than 20% of the length of the second mounting frame.
8. The push lock nut tooling of claim 6, wherein, The connecting support assembly further includes a first connecting rib and a second connecting rib. One end of the first connecting rib is connected to the first mounting bracket and the other end is connected to the second mounting bracket. One end of the second connecting rib is connected to the first mounting bracket and the other end is connected to the second mounting bracket. The first connecting rib and the second connecting rib are spaced apart from the connecting plate and are respectively located on opposite sides of the connecting plate.
9. The push lock nut tooling of claim 1, wherein, The top end of the first mounting bracket and / or the top end of the second mounting bracket are provided with lifting lugs.
10. The push lock nut tooling of claim 1, wherein, The first mounting bracket and / or the second mounting bracket are made of steel.