Damping buffer convenient to disassemble and assemble
By designing a combined structure of the buffer body, base flange, stroke compensation ring, and limit ring, the problems of difficult disassembly and height adjustment of the damping buffer were solved, achieving convenient disassembly and assembly and height adaptation, meeting the preload requirements, and improving the maintenance efficiency and operational stability of the ring crane.
Patent Information
- Application Number
- CN202520400815.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing damping buffers are difficult to disassemble on circular cranes and cannot be adjusted online to adapt to changes in installation space, affecting preload requirements.
A structure including a buffer body, a base flange, a stroke compensation ring, and a limit ring was designed. The combination of the limit ring and the stroke compensation ring enables convenient disassembly and assembly and height adjustment of the damping buffer, while bolted connections and axial guide structures ensure stability.
It enables efficient and safe assembly and disassembly of the damping buffer, allows for height adjustment according to installation space to meet preload requirements, and improves the equipment's maintenance convenience and operational stability.
Smart Images

Figure CN223923677U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of damping buffer, and particularly provide a damping buffer convenient to dismount. BACKGROUND
[0002] Damping buffer is a kind of component commonly used on ring crane equipment, mainly used to absorb the load pressure between guide body and horizontal wheel, plays the role of safety protection and positioning to ring crane equipment.The working state of damping buffer directly influences whether ring crane equipment can normally operate, at present, the damping device applied on the guide body and horizontal wheel of ring crane involves multiple types of damping buffers, but all have the following problems:due to the special structure design of ring crane, once damping device performance fails or is damaged, cannot be disassembled and installed and replaced on line, in addition, the support between guide body and horizontal wheel of ring crane needs pre-tightening force, however, installation space size can change in operation, therefore, the height of damping buffer can be adjusted according to working condition, to meet the requirement of pre-tightening force.
[0003] Therefore, how to improve the structure of damping buffer to facilitate the on-line disassembly and installation of damping buffer, and facilitate the adjustment of the height of damping buffer, become the problems to be solved. CONTENT OF UTILITY MODEL
[0004] Therefore, the utility model aims at providing a damping buffer convenient to dismount to at least solve the problems of existing damping buffer, such as difficult disassembly, unable to adjust the height of buffer according to installation space size.
[0005] The utility model provides a technical scheme: a damping buffer convenient to dismount, which comprises: a buffer body, a base flange, a stroke compensation ring and a limiting ring, wherein the base flange is connected below the base flange through the limiting ring and can move along the axial direction of the buffer body, thereby forming a gap with the buffer body, the base flange comprises a flange body and a flange stopper, the inner periphery of the flange body forms a containing space with the bottom of the buffer body, the flange stopper is connected with the flange body through bolts and is used for blocking or opening the containing space, the stroke compensation ring is inserted into the gap formed between the buffer body and the base flange and is used for adjusting the overall height of the damping buffer.
[0006] Preferably, the limiting ring is connected below the buffer body through bolts, the outer periphery of the limiting ring is provided with a limiting outer boss, and the base flange is arranged outside the limiting ring and is provided with a limiting inner boss matched with the limiting outer boss.
[0007] Further preferably, the stroke compensation ring is T-shaped in cross section, and the buffer body and the flange body are provided with step structures matched with the two short sides of the T-shaped stroke compensation ring.
[0008] Further preferably, the two short sides of the stroke compensation ring are connected to the buffer body and the flange body by bolts respectively.
[0009] Further preferably, the stroke compensation ring and the limiting ring are provided with notches corresponding to the flange stopper, so as to increase the height of the entrance of the accommodating space.
[0010] Further preferably, the base flange and the limiting ring are provided with axial guide structures matched with each other, so as to prevent the base flange from rotating relative to the buffer body in the axial direction.
[0011] Further preferably, the buffer body comprises a cylinder body, a piston rod and a gland, wherein the middle part of the cylinder body is provided with a cavity, the rear end of the piston rod is sealed in the cavity by the gland, and the cavity is filled with a high-damping substance.
[0012] Further preferably, the top end of the piston rod is connected with a height adjustment head.
[0013] Further preferably, the inner periphery and the outer periphery of the gland are provided with sealing members matched with the piston rod and the cylinder body respectively.
[0014] Further preferably, the rear end of the cylinder body is provided with a high-pressure one-way valve for injecting the high-damping substance into the cavity.
[0015] The damping buffer convenient to disassemble and assemble provided by the utility model can be conveniently disassembled and assembled by lifting the buffer body through external force, so as to adjust the overall height of the damping buffer, realize efficient and safe disassembly and assembly of the damping buffer, and in addition, the thickness of the stroke compensation ring can be adjusted to adapt to the installation space and meet the requirement of pre-tightening force. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be explained further in detail in combination with the drawings and embodiments:
[0017] Figure 1 It is the perspective view of the damping buffer convenient to disassemble and assemble provided by the utility model;
[0018] Figure 2 It is the sectional view of the damping buffer convenient to disassemble and assemble provided by the utility model;
[0019] Figure 3 It is the enlarged view of the connection between the base flange and the limiting ring. CONCRETE EMBODIMENT
[0020] The utility model will be further explained in the following with specific embodiments, but is not limited to the utility model.
[0021] As Figures 1 to 3 The utility model provides a damping buffer convenient to dismount, including: buffer main part, base flange, stroke compensation ring 3 and limit ring 4, wherein, the base flange is connected in the below of base flange through limit ring 4 and can move along the axial motion of buffer main part, then forms the clearance with buffer main part, the base flange includes flange main part 21 and flange stopper 22, the inner periphery of flange main part 21 forms a containing space 5 with the bottom of buffer main part, the containing space 5 is used to place lifting tool, the flange stopper 22 is connected with flange main part 21 through bolt, is used to block or open containing space 5, stroke compensation ring 3 is cooperated and is inserted in the clearance between buffer main part and base flange, is used to adjust the overall height of damping buffer.
[0022] The method that this damping buffer convenient to dismount is installed between the ring-shaped crane guide body steel structure and horizontal wheel steel structure is as follows: before installation, first measure the installation space size between the ring-shaped crane guide body steel structure and horizontal wheel steel structure, determine the suitable height of damping buffer, then, the stroke compensation ring is unloaded from the damping buffer, the overall height of damping buffer is reduced, the damping buffer of which the stroke compensation ring is unloaded is put into the installation space as a whole through the lifting tool, and the base flange is fixed on the specified installation position of the horizontal wheel steel structure by bolt, next, the flange stopper is unloaded, forms the insertion slot, and the lifting tool is sent into the containing space below the buffer main part through the insertion slot (preferably, to the central position of the damping buffer), then, the lifting tool is driven to lift, and the buffer main part is lifted until the space distance between the buffer main part and the flange main part meets the installation requirement of the selected thickness stroke compensation ring, the lifting tool stops, then, the stroke compensation ring is inserted into the clearance between the buffer main part and the flange main part, then, the lifting tool is controlled to retract and is taken out through the insertion slot, finally, the flange stopper is installed on the flange main part, and the installation is completed. Wherein, the steps of dismounting the damping buffer are opposite to the installation steps, and will not be repeated here.
[0023] The damping buffer convenient to dismount, through external force lifting buffer main part, can conveniently dismount the stroke compensation ring, and then adjust the overall height of damping buffer, realize the efficient and safe dismounting of damping buffer, in addition, by adjusting the thickness of stroke compensation ring, the installation space can be adapted, and the pre-tightening force requirement is met.
[0024] As the improvement of technical scheme, as Figure 2 , Figure 3As shown, the limiting ring 4 is connected to the lower part of the buffer body by bolts, the outer periphery of the limiting ring 4 is provided with a limiting outer boss 41, the base flange is arranged on the outer side of the limiting ring 4 and the inner periphery thereof is provided with a limiting inner boss 23 matched with the limiting outer boss 41, the limiting of the limiting outer boss to the limiting inner boss enables the base flange to move along the axial direction of the buffer body within a certain distance range, thereby generating a gap between the base flange and the buffer body, Figure 3 The bolt hole for connecting the limiting ring and the buffer body is also given in the application.
[0025] As an improvement of the technical scheme, as shown in the drawings, Figure 2 As shown, the cross section of the stroke compensation ring 3 is T-shaped, the buffer body and the flange body 21 are both provided with a step structure matched with the two short sides of the T-shaped structure to facilitate the installation of the stroke compensation ring, in order to ensure the stability of the installation and connection, the two short sides of the stroke compensation ring 3 are connected with the buffer body and the flange body 21 by bolts respectively (not shown in the drawings), during the installation process, after the stroke compensation ring is inserted into the gap between the buffer body and the flange body, the stroke compensation ring is connected with the buffer body by bolts first, after the lifting tool is retracted, the stroke compensation ring is connected with the flange body by bolts.
[0026] As an improvement of the technical scheme, as shown in the drawings, Figure 1 , Figure 2 As shown, the stroke compensation ring 3 and the limiting ring 4 are both provided with a notch corresponding to the flange stopper 22, for increasing the height of the entrance of the accommodating space 5.
[0027] As an improvement of the technical scheme, the base flange and the limiting ring 4 are cooperatively provided with an axial direction guiding structure, for preventing the base flange from rotating relative to the axial direction of the buffer body.
[0028] As an improvement of the technical scheme, as shown in the drawings, Figure 2 As shown, the buffer body comprises a cylinder body 11, a piston rod 12 and a gland 13, wherein, the middle part of the cylinder body 11 is provided with a cavity, the rear end of the piston rod 12 is sealed in the cavity by the gland 13, the cavity is filled with a high damping substance 14, preferably, the high damping substance 14 is an elastic cement, and the gland 13 is threadedly connected with the cylinder body 11.
[0029] As an improvement of the technical scheme, as shown in the drawings, Figure 1 , Figure 2 As shown, the top end of the piston rod 12 is connected with a height adjusting head 15, by replacing the height adjusting head, the overall height of the damping buffer can also be adjusted, thereby adapting to the installation space, wherein, the height adjusting head and the piston rod are preferably a shaft hole plug-in structure.
[0030] As an improvement of the technical solution, as shown in Figure 2 The inner and outer periphery of the gland 13 is respectively provided with a seal 16 matched with the piston rod 12 and the cylinder body 11.
[0031] As an improvement of the technical solution, as shown in Figure 2 The rear end of the cylinder body 11 is provided with a high-pressure one-way valve 17 for injecting the high-damping substance 14 into the cavity.
[0032] The specific embodiments of the utility model are written in a progressive way, and the differences of various embodiments are emphasized, and the similar parts can be referred to each other.
[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A damping buffer which is easy to disassemble, characterized by, The application relates to a damper body, a base flange, a stroke compensation ring (3) and a limiting ring (4), wherein the base flange is connected to the lower side of the base flange through the limiting ring (4) and can move along the axial direction of the damper body, thereby forming a gap with the damper body; the base flange comprises a flange body (21) and a flange stopper (22), the inner periphery of the flange body (21) forms a containing space (5) with the bottom of the damper body, the flange stopper (22) is connected with the flange body (21) through bolts and is used for blocking or opening the containing space (5); and the stroke compensation ring (3) is inserted into the gap formed between the damper body and the base flange and is used for adjusting the overall height of the damping damper. The limiting ring (4) is connected to the lower side of the damper body through bolts, the outer periphery of the limiting ring (4) is provided with a limiting outer boss (41), and the base flange is arranged on the outer side of the limiting ring (4) and is provided with a limiting inner boss (23) matched with the limiting outer boss (41).
2. The damper according to claim 1, wherein: The cross section of the stroke compensation ring (3) is T-shaped, and the damper body and the flange body (21) are both provided with stepped structures matched with two short edges of the T-shaped structure.
3. The easily detachable damper bumper of claim 1, wherein: The two short edges of the stroke compensation ring (3) are connected with the damper body and the flange body (21) through bolts respectively.
4. The easily detachable damper bumper according to claim 3, wherein: The stroke compensation ring (3) and the limiting ring (4) are both provided with notches corresponding to the flange stopper (22), so as to increase the height of the entrance of the containing space (5).
5. The easily detachable damper bumper of claim 1, wherein: The base flange and the limiting ring (4) are provided with axial guide structures matched with each other, so as to prevent the base flange from rotating relative to the axial direction of the damper body.
6. The easily detachable shock absorber of claim 1, wherein: The damper body comprises a cylinder body (11), a piston rod (12) and a gland (13), wherein the middle part of the cylinder body (11) is provided with a cavity, the rear end of the piston rod (12) is sealed in the cavity through the gland (13), and the cavity is filled with high-damping substances (14).
7. The easily detachable shock absorber of claim 1, wherein: The top end of the piston rod (12) is connected with a height adjusting head (15).
8. The easily detachable damper bumper of claim 7, wherein: The inner periphery and the outer periphery of the gland (13) are respectively provided with sealing elements (16) matched with the piston rod (12) and the cylinder body (11).
9. The easily detachable damper bumper of claim 7, wherein: The rear end of the cylinder body (11) is provided with a high-pressure one-way valve (17) used for injecting the high-damping substances (14) into the cavity.
10. The easily removable damper bumper of claim 7, wherein: