Joint spring device for washing and dressing vibrating screen for reducing building resonance
By combining a polygonal cylinder and a rubber body with a joint spring device, the problem of building resonance caused by the vibration of the washing and beneficiation vibrating screen is solved, achieving efficient vibration reduction, noise reduction, and extended equipment life, while improving screening efficiency.
Patent Information
- Application Number
- CN202520072012.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-13
AI Technical Summary
In the existing technology, the vibration of the washing and beneficiation vibrating screen causes resonance in the building structure. In particular, the steel springs have limited ability to absorb high-frequency vibrations and produce a lot of noise, which affects the stability of the equipment and the building structure.
The device employs a joint spring mechanism, which consists of a combination of a polygonal cylinder and a rubber body. The high elasticity and damping of the rubber absorb vibrations, while independent damping units provide stable movement in both the vertical and material conveying directions, limiting the lateral sway of the screen body and reducing noise.
It effectively reduces building resonance, improves vibration reduction to 98%, reduces noise, extends equipment life, reduces maintenance costs, and improves screening efficiency.
Smart Images
Figure CN223847485U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of damping device, concretely relates to a joint spring device for reducing building resonance of washing and selecting mine vibrating screen. BACKGROUND
[0002] In the washing and selecting mine process, the washing and selecting mine vibrating screen is indispensable equipment, it classifies, filters and grades material through vibration force. However, the washing and selecting mine vibrating screen can produce great vibration when working, these vibrations not only can influence the stability and service life of equipment, but also can spread through building structure, cause building resonance, and further lead to building structure damage, such as crack, deformation, even collapse. Therefore, in the washing and selecting mine process, it is very necessary to take effective measures to reduce building resonance caused by washing and selecting mine vibrating screen vibration.
[0003] In the prior art, steel spring is usually used to reduce building resonance caused by washing and selecting mine vibrating screen vibration, although it can reduce the influence of washing and selecting mine vibrating screen vibration on building and ground to a certain extent, but the absorption capacity of steel spring to high frequency vibration is limited, the damping effect is poor, and the noise produced by steel spring is large.
[0004] Therefore, the present scheme proposes a joint spring device for reducing building resonance of washing and selecting mine vibrating screen to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a joint spring device for reducing building resonance of washing and selecting mine vibrating screen, which reduces building resonance in the working process of washing and selecting mine vibrating screen, reduces the influence of vibration of washing and selecting mine vibrating screen on building and ground, improves the damping effect, and reduces noise pollution.
[0006] To achieve the above-mentioned purpose, the utility model provides a joint spring device for reducing building resonance of washing and selecting mine vibrating screen:
[0007] A joint spring device for reducing building resonance of washing and selecting mine vibrating screen, comprising a lower damping assembly arranged at the bottom of the ground or counterweight support.
[0008] The lower damping assembly comprises a lower fixed base, a lower limiting cylinder horizontally fixedly arranged on the lower fixed base, and a lower damping unit embedded in the lower limiting cylinder, and the lower limiting cylinder is a polygonal cylinder.
[0009] Further, the lower damping unit comprises a lower damping column body and a plurality of lower rubber bodies distributed on the outer side of the lower damping column body, the lower damping column body is a polygonal prism, the outer side of the lower rubber body is clamped at the corner of the lower limiting cylinder, and the outer side of the lower rubber body is in contact with the outer side of the lower damping column body.
[0010] Further, the lower damping assembly is connected with a bearing structure one, and the bearing structure one is connected with a middle damping assembly.
[0011] The middle damping assembly comprises a middle limiting cylinder and a middle damping unit embedded in the middle limiting cylinder.
[0012] Further, the middle damping assembly is connected with a bearing structure two, and the bearing structure two is connected with an upper damping assembly.
[0013] The upper damping assembly comprises an upper fixed base, an upper limiting cylinder horizontally fixed on the upper fixed base, and an upper damping unit embedded in the upper limiting cylinder.
[0014] A joint spring device for reducing resonance of a building and a washing and selecting mine vibration screen comprises a middle damping assembly arranged at a bottom end of a ground or a counterweight support.
[0015] The middle damping assembly comprises a middle limiting cylinder and a middle damping unit embedded in the middle limiting cylinder.
[0016] Further, the middle damping unit comprises a middle damping column and a plurality of middle rubber bodies distributed outside the middle damping column.
[0017] Further, the middle damping assembly is connected with a bearing structure two, and the bearing structure two is connected with an upper damping assembly.
[0018] The upper damping assembly comprises an upper fixed base, an upper limiting cylinder horizontally fixed on the upper fixed base, and an upper damping unit embedded in the upper limiting cylinder.
[0019] A joint spring device for reducing resonance of a building and a washing and selecting mine vibration screen comprises an upper damping assembly arranged at a bottom end of a ground or a counterweight support.
[0020] The upper damping assembly comprises an upper fixed base, an upper limiting cylinder horizontally fixed on the upper fixed base, and an upper damping unit embedded in the upper limiting cylinder.
[0021] Further, the upper damping unit comprises an upper damping column body, and a plurality of upper rubber bodies distributed outside the upper damping column body, the upper damping column body is a polygonal prism, and the outside of the upper rubber body is clamped at the corner of the upper limiting cylinder and is in contact with the outside of the upper damping column body.
[0022] The utility model discloses the beneficial effect lies in the following several points:
[0023] (1) good damping effect;The device is the combination of metal and rubber, utilizes the high elasticity and damping of rubber and absorbs the exciting force produced when washing and selecting mineral vibrating screen works, and a plurality of independent upper damping units, middle damping units and lower damping units can independently complete damping task, and the damping effect can reach 98%.
[0024] (2) can well control the screen body movement, and improve the screening efficiency of washing and selecting mineral vibrating screen to some extent;On one hand, the device can provide a stable and regular movement in the vertical and material conveying direction during the working vibration of washing and selecting mineral vibrating screen, and limit the transverse swing of the screen body to some extent;On the other hand, the damping performance of the device can reduce the amplitude and stress generated by the equipment when the washing and selecting mineral vibrating screen starts and stops, so that the screen body can pass through the resonance zone in a very short time.
[0025] (3) small noise;The device adopts a unique rubber elastic component, which can effectively absorb noise.
[0026] (4) low maintenance cost and long service life;The device improves the damping performance, not only reduces the maintenance cost of the device and prolongs the service life of the device, but also reduces the peak stress during the working vibration of washing and selecting mineral vibrating screen, thereby reducing the vibration impact of other components (such as side plate, screen body support steel structure bearing, V-shaped transmission belt, etc.) of washing and selecting mineral vibrating screen during the working process, reducing the wear of other components of washing and selecting mineral vibrating screen during the working process, thereby reducing the maintenance cost of other components of washing and selecting mineral vibrating screen and prolonging the service life of other components of washing and selecting mineral vibrating screen. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the structure schematic view of the utility model.
[0028] Figure 2 It is the front view of the utility model.
[0029] Figure 3 It is the rear view of the utility model.
[0030] Figure 4 It is the structure schematic view of the lower damping assembly of the utility model.
[0031] Figure 5The utility model discloses a middle damping assembly structure diagram.
[0032] Figure 6 The utility model discloses a middle damping assembly explosion view.
[0033] Figure 7 The utility model discloses an upper damping assembly structure diagram.
[0034] In which, the sign is: 1, lower damping assembly;11, lower fixed base;12, lower damping unit;121, lower damping cylinder;122, lower rubber body;13, lower limiting cylinder;2, bearing structure one;3, middle damping assembly;31, middle limiting cylinder;32, middle damping unit;321, middle damping cylinder;322, middle rubber body;4, bearing structure two;5, upper damping assembly;51, upper fixed base;52, upper damping unit;521, upper damping cylinder;522, upper rubber body;53, upper limiting cylinder. DETAILED DESCRIPTION
[0035] In order to can more clearly explain the technical features of the scheme, below through specific implementation, the scheme is described.
[0036] Example 1
[0037] As Figures 1 to 7 Shown, a kind of joint spring device for reducing building resonance wash ore vibrating screen, including the lower damping assembly 1 of bottom end setting on ground or counterweight support;
[0038] Preferably, the device is set between ground and wash ore vibrating screen so that the device plays its damping role, reduces the influence of the exciting force generated when wash ore vibrating screen works vibrates on building, ground;When ground is additionally provided with counterweight support for supporting and fixing wash ore vibrating screen, the device is set between counterweight support and wash ore vibrating screen so that the device plays its damping role, reduces the influence of the exciting force generated when wash ore vibrating screen works vibrates on building, ground.
[0039] Preferably, the device is set at the outer side of four corners below wash ore vibrating screen, according to actual demand, at least one set of the device can be horizontally set at each corner.
[0040] Lower damping assembly 1 includes lower fixed base 11, lower limiting cylinder 13 horizontally fixedly arranged on lower fixed base 11, lower damping unit 12 embedded in lower limiting cylinder 13, and lower limiting cylinder 13 is polygonal cylinder.
[0041] Preferably, lower fixed base 11 bottom end is provided with a plurality of vertically hollow holes, which facilitates the horizontal fixation of lower fixed base 11 on ground or counterweight support by bolts.
[0042] Preferably, the lower limiting cylinder 13 is a quadrangular hollow cylinder, and the cylinder body of the lower limiting cylinder 13 is arranged parallel to the ground, and the bottom end surface of the cylinder body is fixed horizontally on the lower fixed base 11, which can be fixed by bolt connection, welding or other fixed connection methods, and the lower damping unit 12 is fixedly connected with the washing and sorting vibrating screen.
[0043] Preferably, the lower limiting cylinder 13 is made of metal, which is used to protect the lower damping unit 12 and also plays a certain supporting and fixing role for the device, and is also used to transmit the force borne by the lower limiting cylinder 13 to the lower damping unit 12 when the washing and sorting vibrating screen is working.
[0044] Further, the lower damping unit 12 includes a lower damping column 121 and a plurality of lower rubber bodies 122 distributed outside the lower damping column 121, the lower damping column 121 is a polygonal prism, and the outside of the lower rubber body 122 is clamped at the corner of the lower limiting cylinder 13 and in contact with the outside of the lower damping column 121.
[0045] Preferably, the lower damping column 121 has one quadrangular column, and the four edges of the column of the lower damping column 121 are in contact with the four column surfaces of the lower limiting cylinder 13, and the outside of the lower rubber body 122 is clamped at the corner of the lower limiting cylinder 13 and between the column surface of the lower limiting cylinder 13 and the column surface of the lower damping column 121.
[0046] Preferably, the lower damping column 121 is made of metal, which can transmit the force borne by the lower limiting cylinder 13 to the lower rubber body 122 when the washing and sorting vibrating screen is working.
[0047] Preferably, the lower rubber body 122 is a polygonal column and has four.
[0048] Preferably, the lower rubber body 122 is made of rubber, which has high elasticity and damping property, and is used to absorb and disperse the force from the lower limiting cylinder 13 and the lower damping column 121 when the washing and sorting vibrating screen is working.
[0049] Preferably, the cylinder body height of the lower limiting cylinder 13, the column body height of the lower damping column 121 and the column body height of the lower rubber body 122 are the same.
[0050] Preferably, the cylinder body of the lower limiting cylinder 13, the column body of the lower damping column 121 and the column body of the lower rubber body 122 are arranged parallel to the ground and aligned in the vertical direction.
[0051] Further, the lower damping assembly 1 is connected with the force bearing structure one 2, and the force bearing structure one 2 is connected with the middle damping assembly 3.
[0052] The middle damping assembly 3 includes a middle limiting cylinder 31 and a middle damping unit 32 embedded in the middle limiting cylinder 31, the middle limiting cylinder 31 is a polygonal cylinder, and the middle damping unit 32 is consistent with the lower damping unit 12 in structure.
[0053] Preferably, the middle limiting cylinder 31 is a four-sided hollow cylinder, and the middle damping unit 32 has multiple.
[0054] Preferably, the multiple middle limiting cylinders 31 are arranged in sequence from top to bottom, and the middle limiting cylinders 31 are fixedly connected, the cylinder bodies of all the middle limiting cylinders 31 are arranged parallel to the ground, the cylinder bodies of all the middle limiting cylinders 31 have the same height, and the cylinder bodies of all the middle limiting cylinders 31 are aligned in the vertical direction.
[0055] Preferably, the middle damping unit 32 is fixedly connected with the ore washing and sorting vibrating screen.
[0056] Preferably, the middle limiting cylinder 31 is made of metal, which is used to protect the middle damping unit 32, and also serves to support and fix the device, and is used to transmit the force borne by the middle limiting cylinder 31 during the working vibration of the ore washing and sorting vibrating screen to the middle damping unit 32.
[0057] Preferably, one end of the force bearing structure 2 is connected with the lower damping unit 12, which can be fixedly connected by welding or bolt connection; the other end of the force bearing structure 2 is connected with the middle damping unit 32, which can be fixedly connected by welding or bolt connection.
[0058] Preferably, the force bearing structure 2 is a connecting rod, a connecting body or other similar metal component with force bearing and connecting functions, which serves to support and fix the device, and is also used to bear the force borne by the lower damping assembly 1 and the middle damping assembly 3 during the working vibration of the ore washing and sorting vibrating screen.
[0059] Further, the middle damping assembly 3 is connected with the force bearing structure 4, and the force bearing structure 4 is connected with the upper damping assembly 5.
[0060] The upper damping assembly 5 comprises an upper fixed base 51, an upper limiting cylinder 53 fixedly arranged horizontally on the upper fixed base, and an upper damping unit 52 embedded in the upper limiting cylinder 53, and the upper limiting cylinder 53 is a polygonal cylinder; the upper damping unit 52 has the same structure as the lower damping unit 12.
[0061] Preferably, the upper fixed base 51 is provided with multiple vertically hollow holes, which facilitates the fixed connection of the upper fixed base 51 and the ore washing and sorting vibrating screen by bolts.
[0062] Preferably, the upper limiting cylinder 53 is made of metal, which is used to protect the upper damping unit 52, and also serves to support and fix the device, and is used to transmit the force borne by the upper limiting cylinder 53 during the working vibration of the ore washing and sorting vibrating screen to the upper damping unit 52.
[0063] Preferably, one end of the force-bearing structure 4 is connected with the upper damping unit 52, which can be fixed by welding, bolt connection or other fixed connection methods; the other end of the force-bearing structure 4 is connected with the middle damping unit 32, which can be fixed by welding, bolt connection or other fixed connection methods.
[0064] Preferably, the force-bearing structure 4 is a connecting rod, a connecting body or other similar metal components with force-bearing and connecting functions, which not only supports and fixes the device, but also bears the force of the upper damping assembly 5 and the middle damping assembly 3 when the washing and sorting vibrating screen is working.
[0065] The specific working process of the embodiment 1 is as follows:
[0066] Firstly, the device is installed at the lower outside of four corners of the washing and sorting vibrating screen, and the specific installation position and the specific installation number of the device are set according to the damping requirements.
[0067] The lower fixed base 11 is fixedly connected to the ground or the counterweight support, and the upper fixed base 51 is fixedly connected to the washing and sorting vibrating screen, thereby forming an effective damping system to avoid the direct action of the exciting force of the washing and sorting vibrating screen on the ground.
[0068] When the exciting force generated by the working of the washing and sorting vibrating screen acts on the device, each independent upper damping unit 52, middle damping unit 32 and lower damping unit 12 of the device can independently complete the damping task, and even if a certain component fails, it will not affect the normal work of other components.
[0069] The upper rubber body 522 in each upper damping unit 52 can absorb and disperse the exciting force acting on the upper limiting cylinder 53 and the exciting force acting on the upper damping cylinder 521, so as to achieve the damping effect.
[0070] The middle rubber body 322 in each middle damping unit 32 can absorb and disperse the exciting force acting on the middle limiting cylinder 31 and the exciting force acting on the middle damping cylinder 321, so as to achieve the damping effect.
[0071] The lower rubber body 122 in each lower damping unit 12 can absorb and disperse the exciting force acting on the lower limiting cylinder 13 and the exciting force acting on the lower damping cylinder 121, so as to achieve the damping effect.
[0072] The metal components of the device, i.e. the upper fixed base 51, the lower fixed base 11, the upper limiting cylinder 53, the middle limiting cylinder 31, the lower limiting cylinder 13, the upper damping cylinder 521, the middle damping cylinder 322 and the lower damping cylinder 121, not only play a supporting role to ensure the structural stability of the damping device, but also play a protective role for the upper rubber body 522, the middle rubber body 322 and the lower rubber body 122, thereby prolonging the service life of the device.
[0073] When the washing and sorting mine vibrating screen is working, the exciting force generated is subjected to the damping treatment of the device, and then transmitted to the ground and the building, and the amplitude is greatly reduced, which not only reduces the influence of the exciting force on the ground and the building, but also prolongs the service life of the washing and sorting mine vibrating screen and the surrounding equipment.
[0074] Embodiment 2
[0075] Based on embodiment 1, this embodiment 2 is introduced.
[0076] Different from embodiment 1, the middle damping assembly 3 and the upper damping assembly 5 are designed in this embodiment 2, and the bottom end of the middle damping assembly 3 is arranged on the ground or the counterweight support.
[0077] Further, the middle damping unit 32 includes a middle damping column 321 and a plurality of middle rubber bodies 322 distributed outside the middle damping column 321, the middle damping column 321 is a polygonal prism, and the outside of the middle rubber body 322 is clamped at the corner of the middle limiting cylinder 31 and in contact with the outside of the middle damping column 321.
[0078] Preferably, each middle damping unit 32 includes one middle damping column 321, which is a quadrangular column, and the four edges of the column of the middle damping column 321 are in contact with the four cylindrical surfaces of the middle limiting cylinder 31, and the outside of the middle rubber body 322 is clamped at the corner of the middle limiting cylinder 31 and between the cylindrical surface of the middle limiting cylinder 31 and the cylindrical surface of the middle damping column 321.
[0079] Preferably, the middle damping column 321 is made of metal, which can transmit the force borne by the middle limiting cylinder 31 during the working vibration of the washing and sorting mine vibrating screen to the middle rubber body 322.
[0080] Preferably, the middle rubber body 322 is a polygonal column, which has four.
[0081] Preferably, the middle rubber body 322 is made of rubber, which has high elasticity and damping property, and is used to absorb and disperse the force from the middle limiting cylinder 31 and the middle damping column 321 during the working vibration of the washing and sorting mine vibrating screen.
[0082] Preferably, the height of the cylinder of the middle limiting cylinder 31, the height of the column of the middle damping column 321, and the height of the column of the middle rubber body 322 are the same.
[0083] Preferably, the cylinder of the middle limiting cylinder 31, the column of the middle damping column 321, and the column of the middle rubber body 322 are arranged parallel to the ground and in alignment in the vertical direction.
[0084] The specific structural arrangement is basically the same as that in embodiment 1, and the improvement of part of the structure can be determined according to the actual situation, which will not be described in detail here.
[0085] The specific working process of this embodiment 2 is as follows:
[0086] Different from embodiment 1, the bottom end of the middle damping assembly 3 is fixedly arranged on the ground or the counterweight support during installation.
[0087] The other specific working process is basically the same as that in embodiment 1, and the improvement of part of the working process can be determined according to the actual situation, which is not described here in detail.
[0088] Embodiment 3
[0089] Based on embodiment 1, this embodiment 3 is introduced.
[0090] Different from embodiment 1, the upper damping assembly 5 is designed in this embodiment 3, the bottom end of the upper damping assembly 5 is arranged on the ground or the counterweight support, and the upper damping assembly 5 is connected with the washing and sorting vibrating screen.
[0091] Further, the upper damping unit 52 includes an upper damping cylinder 521 and a plurality of upper rubber bodies 522 distributed outside the upper damping cylinder 521, the upper damping cylinder 521 is a polygonal prism, the outside of the upper rubber body 522 is clamped at the corner of the upper limiting cylinder 53, and contacts the outside of the upper damping cylinder 521.
[0092] Preferably, the upper damping cylinder 521 has 1, which is a quadrangular cylinder, the four edges of the cylinder of the upper damping cylinder 521 respectively contact the four cylindrical surfaces of the upper limiting cylinder 53, the outside of the upper rubber body 522 is clamped at the corner of the upper limiting cylinder 53, and is clamped between the cylindrical surface of the upper limiting cylinder 53 and the cylindrical surface of the upper damping cylinder 521.
[0093] Preferably, the upper damping cylinder 521 is of metal material, which can transmit the force borne by the upper limiting cylinder 53 during the working vibration of the washing and sorting vibrating screen to the upper rubber body 522.
[0094] Preferably, the upper rubber body 522 is a polygonal cylinder, which has 4.
[0095] Preferably, the upper rubber body 522 is rubber, which has high elasticity and damping property, and is used to absorb and disperse the force from the upper limiting cylinder 53 and the upper damping cylinder 521 during the working vibration of the washing and sorting vibrating screen.
[0096] Preferably, the cylinder height of the upper limiting cylinder 53, the cylinder height of the upper damping cylinder 521 and the cylinder height of the upper rubber body 522 are the same.
[0097] Preferably, the cylinder of the upper limiting cylinder 53, the cylinder of the upper damping cylinder 521 and the cylinder of the upper rubber body 522 are arranged parallel to the ground and keep aligned in the vertical direction.
[0098] The specific structure arrangement is basically same as that in embodiment 1, and the improvement of part of the structure can be determined according to the actual situation, and details are not described herein.
[0099] The specific working process of the embodiment 3 is as follows:
[0100] Different from the embodiment 1, the bottom end of the upper damping assembly 5 is fixedly arranged on the ground or the counterweight support during installation.
[0101] The other specific working process is basically same as that in the embodiment 1, and the improvement of part of the working process can be determined according to the actual situation, and details are not described herein.
[0102] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any way. Any person skilled in the art, without departing from the technical scheme of the utility model, makes any form of equivalent replacement or modification of the technical scheme and technical content disclosed by the utility model, and the change belongs to the content of the technical scheme of the utility model, and still belongs to the protection range of the utility model.
Claims
1. A joint spring device for reducing building resonance of a washing and sorting mine vibrating screen, characterized in that, The lower damping assembly (1) is connected with the bearing structure one (2), the bearing structure one (2) is connected with the middle damping assembly (3); The middle damping assembly (3) includes a middle limiting cylinder (31) and a middle damping unit (32) embedded in the middle limiting cylinder (31), the middle limiting cylinder (31) is a polygonal cylinder, and the middle damping unit (32) is identical in structure with the lower damping unit (12).
2. The knee spring device for reducing building resonance of a washing and separating mineral vibration screen according to claim 1, characterized in that, The middle damping assembly (3) is connected with the bearing structure two (4), and the bearing structure two (4) is connected with the upper damping assembly (5); 3. The knee spring device for reducing building resonance of a washing and separating mineral vibration screen according to claim 2, characterized in that, The upper damping assembly (5) includes an upper fixed base (51), an upper limiting cylinder (53) horizontally arranged on the upper fixed base, and an upper damping unit (52) embedded in the upper limiting cylinder (53), the upper limiting cylinder (53) is a polygonal cylinder, and the upper damping unit (52) is identical in structure with the lower damping unit (12). The middle damping assembly (3) is connected with the bearing structure two (4), and the bearing structure two (4) is connected with the upper damping assembly (5); 4. The knee spring device for reducing building resonance of a washing and separating mineral vibration screen according to claim 3, characterized in that, The middle damping assembly (3) includes a middle limiting cylinder (31) and a middle damping unit (32) embedded in the middle limiting cylinder (31), the middle limiting cylinder (31) is a polygonal cylinder. The middle damping unit (32) includes a middle damping column (321) and a plurality of middle rubber bodies (322) distributed on the outer side of the middle damping column (321), the middle damping column (321) is a polygonal prism, and the outer side of the middle rubber body (322) is clamped at the corner of the middle limiting cylinder (31) and in contact with the outer side of the middle damping column (321).
5. A joint spring device for reducing building resonance of a washing and sizing vibrating screen, characterized in that The middle damping assembly (3) is connected with the bearing structure two (4), and the bearing structure two (4) is connected with the upper damping assembly (5); The upper damping assembly (5) includes an upper fixed base (51), an upper limiting cylinder (53) horizontally arranged on the upper fixed base, and an upper damping unit (52) embedded in the upper limiting cylinder (53), the upper limiting cylinder (53) is a polygonal cylinder, and the upper damping unit (52) is identical in structure with the middle damping unit (32).
6. The reduced building resonance joint spring assembly for use in a washbox according to claim 5, wherein: The upper damping assembly (5) is arranged at the bottom end of the bearing structure three (6) and is connected with the bearing structure three (6).
7. The knee spring device for reducing building resonance of a washbox and vibrating screen according to claim 6, characterized in that, 8. A joint spring device for reducing building resonance of a washing and sizing vibrating screen, characterized in that The upper damping assembly (5) comprises an upper fixed base (51), an upper limiting cylinder (53) horizontally arranged on the upper fixed base, and an upper damping unit (52) embedded in the upper limiting cylinder (53); the upper limiting cylinder (53) is a polygonal cylinder.
9. The knee spring device for reducing building resonance of a washbox and vibrating screen according to claim 8, characterized in that, The upper damping unit (52) comprises an upper damping column (521) and a plurality of upper rubber bodies (522) distributed on the outer side of the upper damping column (521); the upper damping column (521) is a polygonal prism; the outer side of the upper rubber body (522) is clamped at the corner of the upper limiting cylinder (53) and is in contact with the outer side of the upper damping column (521).