CN105499129A - Novel mounting structure of rubber spring of vibration screen and method for replacing rubber spring - Google Patents
Novel mounting structure of rubber spring of vibration screen and method for replacing rubber spring Download PDFInfo
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- CN105499129A CN105499129A CN201510836181.6A CN201510836181A CN105499129A CN 105499129 A CN105499129 A CN 105499129A CN 201510836181 A CN201510836181 A CN 201510836181A CN 105499129 A CN105499129 A CN 105499129A
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- Prior art keywords
- backup pad
- spring
- supporting plate
- primary elastomeric
- upper backup
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a novel mounting structure of a rubber spring of a vibration screen and a method for replacing the rubber spring. The novel mounting structure has the characteristics of variable stiffness and easy replacement. The structure mainly comprises an upper supporting plate, a lower supporting plate, main rubber springs, secondary rubber springs, pressing plates and first high-strength bolts, wherein the upper supporting plate is fixed to a screen box; the main rubber springs are positioned between the upper supporting plate and the lower supporting plate; the secondary rubber springs are positioned above the upper supporting plate and corresponding to the main rubber springs, and the pressing plates are positioned above the secondary rubber springs; the pressing plates, the secondary rubber springs, the main rubber springs, the upper supporting plate and the lower supporting plate are integrally connected through the first high-strength bolts. The novel mounting structure is reasonable, and convenient to dismount and replace, facilitates equipment repair, and can prolong the service life and improve the usage efficiency of equipment; meanwhile, the supporting stiffness of the screen box can be adjusted by changing the stiffness of the secondary rubber springs, so as to meet the amplitude requirements of different working conditions.
Description
Technical field
The present invention relates to vibratory sieve, particularly relate to and a kind ofly realize vibratory sieve rubber spring novel mounting structure and the rubber spring replacing options that the feature such as simple changed by variation rigidity function and spring.
Background technology
Vibratory sieve is a kind of plant equipment in multiple industry field extensive uses such as mining industry, oil exploration industry, agricultural, building industries, can realize the functions such as screening, dehydration, de-mediated.Connected by shock-absorbing spring between the screen box of vibratory sieve and mounting seat, conventional shock-absorbing spring has metal spring, rubber spring, complex spring etc.Because rubber spring is with low cost, have the advantage such as good effectiveness in vibration suppression and good cold resistance, air-tightness, water proofing property, electrical insulating property, rubber spring becomes the primary selection of shock-absorbing spring in vibratory sieve equipment.But, in the running of vibratory sieve, owing to constantly rubbing between rubber spring and installation guide rod, a large amount of heat can be produced.Meanwhile, owing to there is error in manufacture and installation process, cause rubber spring also can bear the lateral shearing force installed guide rod and produce it in the frictional force of bearing above-below direction, these are all the factors causing rubber spring destructible simultaneously.A large amount of vibratory sieve rubber spring mounting structure used at present, rubber spring is generally arranged on immediately below screen box, joined by installation guide rod and lower supporting plate, when changing rubber spring, needs being employed the equipment such as jack, bringing very large trouble to maintenance of equipment.For overcoming the difficulty that spring is changed, the mounting structure of technical staff to vibratory sieve rubber spring is had to improve, rubber spring is arranged on screen box side, lower supporting plate and screen box with bolts, but in the technology of this improvement, there is serious problem, as in the running of vibratory sieve, there is more serious shock, produce much noise, and rubber spring can only realize compression and can not realize stretching, new spring can not be put between screen box smoothly owing to automatically can not produce distortion in the process changed, therefore the practicality existing problems of this invention.Based on above problem, devise vibratory sieve rubber spring novel mounting structure.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of the vibratory sieve rubber spring novel mounting structure and the rubber spring replacing options that have variation rigidity and easily change characteristic.
Technical scheme: for achieving the above object, vibratory sieve rubber spring novel mounting structure of the present invention comprises screen box, mounting seat, upper backup pad, lower supporting plate, replacing annex and at least two group damper mechanisms; Described upper backup pad is fixed on described screen box, and described lower supporting plate is fixed in described mounting seat; Described upper backup pad is connected by damper mechanism with between lower supporting plate, makes described screen box can produce vibration relative to described mounting seat; Described damper mechanism comprises the first high-strength bolt, is pressed in primary elastomeric spring between described upper backup pad and lower supporting plate, is placed on auxiliary rubber spring and the pressing plate being placed on described auxiliary rubber spring upper end above described upper backup pad, and five compressions link together through pressing plate, auxiliary rubber spring, upper backup pad, primary elastomeric spring and the lower supporting plate placed successively from top to bottom by described first high-strength bolt; Described replacing annex is not connected with any parts when vibratory sieve runs well, and only assists and carries out precommpression when changing described primary elastomeric spring to new primary elastomeric spring, makes it highly be less than distance between upper backup pad and lower supporting plate.
Further, also comprise ring flange, described ring flange hollow; Described upper backup pad is provided with the replacing hole changing entrance as primary elastomeric spring, the aperture in described replacing hole is greater than the race diameter of described primary elastomeric spring, described lower supporting plate is provided with bolt hole corresponding to upper backup pad is changed immediately below hole, the aperture of described bolt hole is less than the inner ring diameter of described primary elastomeric spring, and the upper surface that described ring flange is fixedly mounted on described upper backup pad is installed with described replacing hole is concentric; Described replacing annex comprises the second high-strength bolt and the second pressing plate, and the outer screw diameter of the second high-strength bolt is less than the aperture of described bolt hole; When carrying out precommpression to new primary elastomeric spring, new primary elastomeric spring upper end places the second pressing plate, three forces together through the bolt hole on the second pressing plate, new primary elastomeric spring and lower supporting plate by the second high-strength bolt successively, and described ring flange props up the upper end of the second pressing plate.
Further, described ring flange one end is columniform projection section, one end is flange portion for installing, and the end face center of described flange portion one end is provided with circular groove; When vibratory sieve runs well, the projection section of described ring flange stretches in the replacing hole of described upper backup pad, be bolted to connection between its flange portion and described upper backup pad, when changing primary elastomeric spring, the projection section of described ring flange is upwards installed its one end with circular groove and is pushed down described second pressing plate.
Further, described upper backup pad lower surface has the first sliding tray, and the upper surface of described lower supporting plate has the second sliding tray, overlooks on direction, and the shape of described first sliding tray and the second sliding tray is completely the same and overlap; When changing primary elastomeric spring, described primary elastomeric spring can slide in the scope of described first sliding tray and the second sliding tray, and primary elastomeric spring can slide into arbitrary position being provided with described damper mechanism from described replacing hole, and region between upper backup pad and lower supporting plate can be skidded off from the side of upper backup pad and lower supporting plate.
Further, also comprise elastic washer, and described replacing annex is third high strength bolts, described elastic washer be arranged on described upper backup pad and lower supporting plate in the installing hole that passes for described first high-strength bolt, between the screw rod being interposed between installing hole and the first high-strength bolt; The aperture for the installing hole passed for described first high-strength bolt on described upper backup pad and lower supporting plate is greater than the screw diameter of described first high-strength bolt, and be greater than the head diameter of described third high strength bolts, but be less than the head diameter of described first high-strength bolt; The length of described third high strength bolts is less than the distance between described upper backup pad and lower supporting plate, when changing primary elastomeric spring, described third high strength bolts is in compressive state for keeping new primary elastomeric spring, makes new primary elastomeric spring can put into the position needing to install new spring between upper backup pad and lower supporting plate.
Further, the height of described primary elastomeric spring is higher than the height of auxiliary rubber spring.
Further, according to different operating mode, described auxiliary rubber spring can be replaced with different-stiffness series, and auxiliary rubber spring and primary elastomeric spring are parallel-connection structures, by changing the rigidity of auxiliary rubber spring, just change the Equivalent strut rigidity of screen box, thus reach the object regulating screen box amplitude.
Further, by regulating the pretightning force of the first high-strength bolt, change the initial deformation of two rubber springs, make upper backup pad in the process of up-down vibration, gap can not be produced between upper backup pad and primary elastomeric spring, also can not produce gap between same auxiliary rubber spring and upper backup pad and between auxiliary rubber spring and pressing plate, reduce vibration with this and impact.
Vibratory sieve rubber spring replacing options, the exchonge step of primary elastomeric spring is as follows:
Step 1: the first high-strength bolt on the damper mechanism corresponding to the primary elastomeric spring of damage is unloaded, and the primary elastomeric spring damaged is released along described first sliding tray and the second sliding tray from the side of described upper backup pad and lower supporting plate;
Step 2: ring flange is unloaded, new primary elastomeric spring is put into the replacing hole on described upper backup pad, make to be placed on bottom it on described lower supporting plate, and cover the second pressing plate at its upper end, and three is forced together through the bolt hole on the second pressing plate, new primary elastomeric spring and lower supporting plate by the second high-strength bolt successively;
Step 3: tighten up described second high-strength bolt and made by primary elastomeric spring-compressed it highly be less than distance between described upper backup pad and lower supporting plate, again described ring flange projection section is installed to the upper end of described upper backup pad upward, makes the circular groove of ring flange prop up the second pressing plate;
Step 4: the second high-strength bolt, at utmost, is then taken out in the center new primary elastomeric spring being pushed away the second high-strength bolt described in the misalignment making new primary elastomeric spring along the first sliding tray and the second sliding tray to the position need installing new spring;
Step 5: continue to shift new primary elastomeric spring onto need install new spring position along the first sliding tray and the second sliding tray, load onto the first high-strength bolt.
Vibratory sieve rubber spring replacing options, the exchonge step of primary elastomeric spring is as follows:
Step 1: the first high-strength bolt on the damper mechanism corresponding to the primary elastomeric spring of damage is unloaded, and the primary elastomeric spring of damage is pushed out of outside the space between described upper backup pad and lower supporting plate;
Step 2: compressed by new primary elastomeric spring, passes in the hole of the new primary elastomeric spring after compression, nut of screwing on by described third high strength bolts;
Step 3: the new primary elastomeric spring related third high strength bolts entirety after compression in step is placed into the place needing to install new spring between described upper backup pad and lower supporting plate, and back out nut at leisure, the new primary elastomeric spring of compression is slowly recovered, until nut is all backed out, take out third high strength bolts;
Step 4: put into described elastic washer in the hole passed for described first high-strength bolt on described upper backup pad and lower supporting plate, then penetrates the first high-strength bolt and tightens fixing.
Beneficial effect: vibratory sieve rubber spring novel mounting structure of the present invention and rubber spring replacing options have the following advantages:
(1) this structure placed auxiliary rubber spring above upper backup pad, can be changed the support stiffness of screen box by the auxiliary rubber spring changing different-stiffness thus change amplitude, adapt to different operating modes.
(2) this structure adopts the first high-strength bolt pressing plate, auxiliary rubber spring, upper backup pad, primary elastomeric spring and lower supporting plate to be linked together.When on upper backup pad during auxiliary rubber spring breaking down, only need to pull down the first high-strength bolt, just can be convenient for changing.And during primary elastomeric spring breaking down in the middle of upper backup pad and lower supporting plate, after pulling down the first high-strength bolt, the primary elastomeric spring needing to change firmly is released, then new primary elastomeric spring is installed by the mode of two kinds of technical schemes, do not need screen box jack-up, dismounting and change is efficient and convenient.
(3) this structure placed auxiliary rubber spring above upper backup pad, reduces the impact of upper backup pad and the first high-strength bolt.
(4) screen box vibrates between primary elastomeric spring and auxiliary rubber spring, and the noise after the equipment that reduces runs, extends the service life of equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure chart of patent Example 1 scheme of the present invention;
Fig. 2 is patent Example 1 upper backup pad upward view of the present invention and lower supporting plate top view;
Local installation process figure when Fig. 3 is patent Example 1 primary elastomeric spring of the present invention replacing;
Fig. 4 is the structure chart of patent Example 2 of the present invention;
Fig. 5 is patent Example 2 upper backup pad upward view of the present invention and lower supporting plate top view;
Local installation process figure when Fig. 6 is patent Example 2 primary elastomeric spring of the present invention replacing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1:
As shown in Figure 1, vibratory sieve rubber spring novel mounting structure, comprises screen box 11, mounting seat 12, upper backup pad 10, lower supporting plate 6, changes annex and at least two group damper mechanisms; Upper backup pad 11 is fixed on screen box 11 by bolt 1, and lower supporting plate 6 is fixed in mounting seat 12; Be connected by damper mechanism between upper backup pad 10 with lower supporting plate 6, make screen box 11 can produce vibration relative to mounting seat 12; Damper mechanism comprises the first high-strength bolt 5, be pressed in primary elastomeric spring 4 between upper backup pad 10 and lower supporting plate 6, be placed on auxiliary rubber spring 3 above upper backup pad 10 and pressing plate 2, first high-strength bolt 5 being placed on auxiliary rubber spring 3 upper end compresses five through pressing plate 2, auxiliary rubber spring 3, upper backup pad 10, primary elastomeric spring 4 and the lower supporting plate 6 placed successively from top to bottom and links together.Can reduce to impact and noise by changing the initial pretightning force of the first high-strength bolt 5.Auxiliary rubber spring 3 according to different operating mode, can be replaced with different-stiffness series.The height of primary elastomeric spring 4 is higher than the height of auxiliary rubber spring 3.
Upper backup pad 10 is provided with ring flange 9, ring flange 9 hollow, its one end is columniform projection section, one end is flange portion for installing, the end face center of flange portion one end is provided with circular groove.
Upper backup pad 10 is provided with the replacing hole 13 changing entrance as primary elastomeric spring 4, the aperture changing hole 13 is greater than the race diameter of primary elastomeric spring 4, lower supporting plate 6 is provided with bolt hole 8 corresponding to upper backup pad 10 is changed immediately below hole 13, the aperture of bolt hole 8 is less than the inner ring diameter of primary elastomeric spring 4, on the upper surface that ring flange 9 is fixedly mounted on upper backup pad 10 and hole 13 is concentric installs with replacing; Ring flange 9 is when vibratory sieve runs well, the projection section of ring flange 9 stretches in the replacing hole 13 of upper backup pad 10, be fixedly connected with by bolt 7 between its flange portion with upper backup pad 10, play the intensity strengthening upper backup pad 10 structure, prevent from changing hole 13 place's flexural deformation.
Change the aperture that outer screw diameter that annex comprises the second high-strength bolt 16 and the second pressing plate 17, second high-strength bolt 16 is less than bolt hole 8; When carrying out precommpression to new primary elastomeric spring 4, new primary elastomeric spring 4 upper ends second pressing plate 17, three forces together through the bolt hole 8 on the second pressing plate 17, new primary elastomeric spring 4 and lower supporting plate 6 by the second high-strength bolt 16 successively, and the projection section of ring flange 9 is upwards installed its one end with circular groove and pushed down the second pressing plate 17.
As shown in Figure 2, upper backup pad 10 lower surface has the first sliding tray 15, and the upper surface of lower supporting plate 6 has the second sliding tray 21, overlooks on direction, and the shape of the first sliding tray 15 and the second sliding tray 21 is completely the same and overlap; When changing primary elastomeric spring 4, primary elastomeric spring 4 can slide in the scope of the first sliding tray 15 and the second sliding tray 21, and primary elastomeric spring 4 can slide into arbitrary position being provided with damper mechanism from replacing hole 13, and region between upper backup pad 10 and lower supporting plate 6 can be skidded off from the side of upper backup pad 10 and lower supporting plate 6.In order to make primary elastomeric spring 4 easily release, lubricating oil can be filled in the first sliding tray 15 and the second sliding tray 21.
When auxiliary rubber spring 3 on upper backup pad 10 damages, only need the first corresponding with it high-strength bolt 5 to back out, take off pressing plate 2, the auxiliary rubber spring 3 damaged is replaced with new, ressembled, do not need whole screen box 11 jack-up, dismounting and change is convenient.
Based on said structure, the exchonge step of primary elastomeric spring 4 is as follows:
Step 1: the first high-strength bolt 5 on the damper mechanism corresponding to the primary elastomeric spring 4 of damage is unloaded, and the primary elastomeric spring 4 damaged is released along the first sliding tray 15 and the second sliding tray 21 from the side of upper backup pad 10 and lower supporting plate 6;
Step 2: ring flange 9 is unloaded, new primary elastomeric spring 4 is put into the replacing hole 13 on upper backup pad 10, make to be placed on bottom it on lower supporting plate 6, and cover the second pressing plate 17 at its upper end, and three is forced together, as shown in accompanying drawing 3 (a) through the bolt hole 8 on the second pressing plate 17, new primary elastomeric spring 4 and lower supporting plate 6 by the second high-strength bolt 16 successively;
Step 3: tighten up the second high-strength bolt 16 and make it highly be less than distance between upper backup pad 10 and lower supporting plate 6 primary elastomeric spring 4 compression, as shown in accompanying drawing 3 (b), again ring flange 9 projection section is installed to the upper end of upper backup pad 10 upward, makes the circular groove of ring flange 9 prop up the second pressing plate 17;
Step 4: new primary elastomeric spring 4 is pushed away the center of misalignment second high-strength bolt 16 making new primary elastomeric spring 4 extremely at utmost along the first sliding tray 15 and the second sliding tray 21 to the position need installing new spring, as shown in accompanying drawing 3 (c), then the second high-strength bolt 16 is taken out, as shown in accompanying drawing 3 (d);
Step 5: continue to shift new primary elastomeric spring 4 onto need install new spring position along the first sliding tray 15 and the second sliding tray 21, load onto the first high-strength bolt 5.
Embodiment 2:
As shown in Figure 4, vibratory sieve rubber spring novel mounting structure, comprises screen box 11, mounting seat 12, upper backup pad 10, lower supporting plate 6, changes annex and at least two group damper mechanisms; Upper backup pad 11 is fixed on screen box 11 by bolt 1, and lower supporting plate 6 is fixed in mounting seat 12; Be connected by damper mechanism between upper backup pad 10 with lower supporting plate 6, make screen box 11 can produce vibration relative to mounting seat 12; Damper mechanism comprises the first high-strength bolt 5, be pressed in primary elastomeric spring 4 between upper backup pad 10 and lower supporting plate 6, be placed on auxiliary rubber spring 3 above upper backup pad 10 and pressing plate 2, first high-strength bolt 5 being placed on auxiliary rubber spring 3 upper end compresses five through pressing plate 2, auxiliary rubber spring 3, upper backup pad 10, primary elastomeric spring 4 and the lower supporting plate 6 placed successively from top to bottom and links together; Changing annex is third high strength bolts 30.Can reduce to impact and noise by changing the initial pretightning force of the first high-strength bolt 5.Auxiliary rubber spring 3 according to different operating mode, can be replaced with different-stiffness series.The height of primary elastomeric spring 4 is higher than the height of auxiliary rubber spring 3.
Upper backup pad 10 and the elastic washer 26 for being provided with hollow in the installing hole that passes for the first high-strength bolt 5 on lower supporting plate 6, as shown in Figure 5, wherein 5 (a) is upper backup pad 10,5 (b) is lower supporting plate 6, and elastic washer 26 is interposed between the screw rod of installing hole and the first high-strength bolt 5; Upper backup pad 10 is greater than the screw diameter of the first high-strength bolt 5 with the aperture for the installing hole passed for the first high-strength bolt 5 on lower supporting plate 6, and be greater than the head diameter of third high strength bolts 30, but be less than the head diameter of the first high-strength bolt 5; The length of third high strength bolts 30 is less than the distance between upper backup pad 10 and lower supporting plate 6, when changing primary elastomeric spring 4, third high strength bolts 30 is in compressive state for keeping new primary elastomeric spring 4, makes new primary elastomeric spring 4 can put into the position needing to install new spring between upper backup pad 10 and lower supporting plate 6.
When auxiliary rubber spring 3 on upper backup pad 10 damages, only need the first corresponding with it high-strength bolt 5 to back out, take off pressing plate 2, the auxiliary rubber spring 3 damaged is replaced with new, ressembled, do not need whole screen box 11 jack-up, dismounting and change is convenient.
Based on said structure, as shown in Figure 6, the exchonge step of primary elastomeric spring 4 is as follows:
Step 1: the first high-strength bolt 5 on the damper mechanism corresponding to the primary elastomeric spring 4 of damage is unloaded, and the primary elastomeric spring 4 of damage is pushed out of outside the space between upper backup pad 10 and lower supporting plate 6;
Step 2: compressed by new primary elastomeric spring 4, passes in the hole of the new primary elastomeric spring 4 after compression by third high strength bolts 30, nut of screwing on; The compression of primary elastomeric spring 4 can be assisted with compression set;
Step 3: new primary elastomeric spring 4 related third high strength bolts 30 entirety after compression in step 2 is placed into the place needing to install new spring between upper backup pad 10 and lower supporting plate 6, as shown in accompanying drawing 6 (a), and back out nut at leisure, the new primary elastomeric spring 4 of compression is slowly recovered, until nut is all backed out, take out third high strength bolts 30, as shown in accompanying drawing 6 (c);
Step 4: put into elastic washer 26 in the hole passed for the first high-strength bolt 5 on upper backup pad 10 with lower supporting plate 6, then penetrates the first high-strength bolt 5 and tightens fixing.
Vibratory sieve rubber spring novel mounting structure of the present invention and rubber spring replacing options have the following advantages:
(1) this structure placed auxiliary rubber spring 3 above upper backup pad, primary elastomeric spring 4 and auxiliary rubber spring 3 are parallel-connection structures, the Equivalent strut rigidity of screen box can be changed by the auxiliary rubber spring 3 changing different-stiffness, and then change the amplitude of screen box 11, adapt to different operating modes.
(2) this structure adopts the first high-strength bolt 5 pressing plate 2, auxiliary rubber spring 3, upper backup pad 10, primary elastomeric spring 4 and lower supporting plate 6 to be linked together.When auxiliary rubber spring 3 damages on upper backup pad 10, only need to pull down the first high-strength bolt 5, just can be convenient for changing.And when the primary elastomeric spring 4 that upper backup pad 10 is middle with lower supporting plate 6 damages, after pulling down the first high-strength bolt 5, the primary elastomeric spring 5 needing to change firmly is released, then new primary elastomeric spring 5 is installed by the mode of two kinds of technical schemes, do not need screen box 11 jack-up, dismounting and change is efficient and convenient.
(3) this structure placed auxiliary rubber spring 3 above upper backup pad, reduces the impact of upper backup pad 10 and the first high-strength bolt 5.
(4) screen box 11 vibrates between primary elastomeric spring 4 and auxiliary rubber spring 3, and the noise after the equipment that reduces runs, extends the service life of equipment simultaneously.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. vibratory sieve rubber spring novel mounting structure, is characterized in that: comprise screen box (11), mounting seat (12), upper backup pad (10), lower supporting plate (6), change annex and at least two group damper mechanisms, described upper backup pad (10) is fixed on described screen box (11), and described lower supporting plate (6) is fixed in described mounting seat (12), be connected by damper mechanism between described upper backup pad (10) with lower supporting plate (6), make described screen box (11) vibration can be produced relative to described mounting seat (12), described damper mechanism comprises the first high-strength bolt (5), be pressed in primary elastomeric spring (4) between described upper backup pad (10) and lower supporting plate (6), be placed on described upper backup pad (10) top auxiliary rubber spring (3) and the pressing plate (2) being placed on described auxiliary rubber spring (3) upper end, described first high-strength bolt (5) is through the pressing plate (2) placed successively from top to bottom, auxiliary rubber spring (3), upper backup pad (10), primary elastomeric spring (4) and lower supporting plate (6) compress five and link together, described replacing annex is not connected with any parts when vibratory sieve runs well, only assist when changing described primary elastomeric spring (4) and precommpression is carried out to new primary elastomeric spring (4), make it highly be less than distance between upper backup pad (10) and lower supporting plate (6), thus can be placed between upper backup pad (10) and lower supporting plate (6).
2. vibratory sieve rubber spring novel mounting structure according to claim 1, is characterized in that: also comprise ring flange (9), described ring flange (9) hollow, described upper backup pad (10) is provided with the replacing hole (13) changing entrance as primary elastomeric spring (4), the aperture of described replacing hole (13) is greater than the race diameter of described primary elastomeric spring (4), described lower supporting plate (6) is provided with bolt hole (8) corresponding to upper backup pad (10) being changed immediately below hole (13), the aperture of described bolt hole (8) is less than the inner ring diameter of described primary elastomeric spring (4), the upper surface that described ring flange (9) is fixedly mounted on described upper backup pad (10) is installed with described replacing hole (13) is concentric, described replacing annex comprises the second high-strength bolt (16) and the second pressing plate (17), and the outer screw diameter of the second high-strength bolt (16) is less than the aperture of described bolt hole (8), when carrying out precommpression to new primary elastomeric spring (4), new primary elastomeric spring (4) upper ends second pressing plate (17), three forces together through the bolt hole (8) on the second pressing plate (17), new primary elastomeric spring (4) and lower supporting plate (6) by the second high-strength bolt (16) successively, and described ring flange (9) props up the upper end of the second pressing plate (17).
3. vibratory sieve rubber spring novel mounting structure according to claim 2, it is characterized in that: described ring flange (9) one end is columniform projection section, one end is flange portion for installing, and the end face center of described flange portion one end is provided with circular groove; When vibratory sieve runs well, the projection section of described ring flange (9) stretches in the replacing hole (13) of described upper backup pad (10), be fixedly connected with between its flange portion with described upper backup pad (10), when changing primary elastomeric spring (4), the projection section of described ring flange (9) is upwards installed and described second pressing plate (17) is pushed down in its one end with circular groove.
4. vibratory sieve rubber spring novel mounting structure according to claim 3, it is characterized in that: described upper backup pad (10) lower surface has the first sliding tray (15), the upper surface of described lower supporting plate (6) has the second sliding tray (21), overlook on direction, the shape of described first sliding tray (15) and the second sliding tray (21) is completely the same and overlap; When changing primary elastomeric spring (4), described primary elastomeric spring (4) can be slided in the scope of described first sliding tray (15) with the second sliding tray (21), and primary elastomeric spring (4) can slide into arbitrary position being provided with described damper mechanism from described replacing hole (13), and region between upper backup pad (10) and lower supporting plate (6) can be skidded off from the side of upper backup pad (10) and lower supporting plate (6).
5. vibratory sieve rubber spring novel mounting structure according to claim 1, it is characterized in that: also comprise elastic washer (26), and described replacing annex is third high strength bolts (30), described elastic washer (26) be arranged on described upper backup pad (10) and lower supporting plate (6) in the installing hole that passes for described first high-strength bolt (5), between the screw rod being interposed between installing hole and the first high-strength bolt (5); Described upper backup pad (10) is greater than the screw diameter of described first high-strength bolt (5) with the aperture for the installing hole passed for described first high-strength bolt (5) on lower supporting plate (6), and be greater than the head diameter of described third high strength bolts (30), but be less than the head diameter of described first high-strength bolt (5); The length of described third high strength bolts (30) is less than the distance between described upper backup pad (10) and lower supporting plate (6), when changing primary elastomeric spring (4), described third high strength bolts (30) is in compressive state for keeping new primary elastomeric spring (4), makes new primary elastomeric spring (4) can put into the position needing to install new spring between upper backup pad (10) and lower supporting plate (6).
6. the vibratory sieve rubber spring novel mounting structure according to the arbitrary claim of claim 1-5, is characterized in that: the height of described primary elastomeric spring (4) is higher than the height of auxiliary rubber spring (3).
7. the vibratory sieve rubber spring novel mounting structure according to the arbitrary claim of claim 1-5, is characterized in that: according to different operating mode, and described auxiliary rubber spring (3) can be replaced with different-stiffness series.
8. the vibratory sieve rubber spring novel mounting structure according to the arbitrary claim of claim 1-5, is characterized in that: the pretightning force of the first high-strength bolt (5) is adjustable with the initial deformation changing two rubber springs, reduces vibration and impacts.
9. based on the rubber spring replacing options of vibratory sieve rubber spring novel mounting structure according to claim 4, it is characterized in that: the exchonge step of primary elastomeric spring (4) is as follows:
Step 1: the first high-strength bolt (5) on the damper mechanism corresponding to the primary elastomeric spring (4) damaged is unloaded, and the primary elastomeric spring (4) damaged is released along described first sliding tray (15) and the side of the second sliding tray (21) from described upper backup pad (10) and lower supporting plate (6);
Step 2: ring flange (9) is unloaded, new primary elastomeric spring (4) is put into the replacing hole (13) on described upper backup pad (10), make to be placed on bottom it on described lower supporting plate (6), and cover the second pressing plate (17) at its upper end, and three is forced together through the bolt hole (8) on the second pressing plate (17), new primary elastomeric spring (4) and lower supporting plate (6) by the second high-strength bolt (16) successively;
Step 3: tighten up described second high-strength bolt (16) and make it highly be less than distance between described upper backup pad (10) and lower supporting plate (6) primary elastomeric spring (4) compression, again described ring flange (9) projection section is installed to the upper end of described upper backup pad (10) upward, makes the circular groove part of ring flange (9) prop up the second pressing plate (17);
Step 4: the second high-strength bolt (16), at utmost, is then taken out in the center new primary elastomeric spring (4) being pushed away the second high-strength bolt (16) described in the misalignment making new primary elastomeric spring (4) along the first sliding tray (15) and the second sliding tray (21) to the position need installing new spring;
Step 5: continue to shift new primary elastomeric spring (4) onto need install new spring position along the first sliding tray (15) and the second sliding tray (21), load onto the first high-strength bolt (5).
10. based on the rubber spring replacing options of vibratory sieve rubber spring novel mounting structure according to claim 5, it is characterized in that: the exchonge step of primary elastomeric spring (4) is as follows:
Step 1: the first high-strength bolt (5) on the damper mechanism corresponding to the primary elastomeric spring (4) damaged is unloaded, and the primary elastomeric spring (4) damaged is pushed out of outside the space between described upper backup pad (10) and lower supporting plate (6);
Step 2: compressed by new primary elastomeric spring (4), passes in the hole of the new primary elastomeric spring (4) after compression, nut of screwing on by described third high strength bolts (30);
Step 3: new primary elastomeric spring (4) related third high strength bolts (30) entirety after compression in step 2 is placed into the place needing to install new spring between described upper backup pad (10) and lower supporting plate (6), and back out nut at leisure, the new primary elastomeric spring (4) of compression is slowly recovered, until nut is all backed out, take out third high strength bolts (30);
Step 4: put into described elastic washer (26) in the hole passed for described first high-strength bolt (5) on described upper backup pad (10) and lower supporting plate (6), then penetrates the first high-strength bolt (5) and tightens fixing.
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| CN201510836181.6A CN105499129B (en) | 2015-11-26 | 2015-11-26 | Vibratory sieve rubber spring mounting structure and rubber spring replacing options |
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| CN201510836181.6A CN105499129B (en) | 2015-11-26 | 2015-11-26 | Vibratory sieve rubber spring mounting structure and rubber spring replacing options |
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| CN110404770A (en) * | 2019-08-26 | 2019-11-05 | 贵州大学 | A kind of agricultural machinery seed screening machine |
| CN110899109A (en) * | 2019-12-02 | 2020-03-24 | 湖北松滋松川矿山机械有限公司 | Elastic support assembly for inertial vibrating screen and inertial vibrating screen thereof |
| CN112744518A (en) * | 2021-01-25 | 2021-05-04 | 中国水利水电第九工程局有限公司 | Vibration feeding construction method for machine-made artificial sand stone |
| GB2601319A (en) * | 2020-11-25 | 2022-06-01 | Terex Gb Ltd | Material processing apparatus with spring-biased coupling assembly |
| CN118161907A (en) * | 2024-05-10 | 2024-06-11 | 四川海山宇光建设工程集团有限公司 | Elastic supporting structure and vibrating dewatering screen |
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| GB2601319B (en) * | 2020-11-25 | 2023-11-15 | Terex Gb Ltd | Material processing apparatus with spring-biased coupling assembly |
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