CN212928640U

CN212928640U - Damping device for vibrating screen

Info

Publication number: CN212928640U
Application number: CN202021500216.1U
Authority: CN
Inventors: 王东东
Original assignee: Henan Anruite Mechanical Equipment Co ltd
Current assignee: Henan Anruite Mechanical Equipment Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-09
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a damping device technical field specifically is a damping device for shale shaker, including adjustment mechanism, it has the footstock to peg graft in adjustment mechanism's bottom, it has the spring to peg graft in the bottom of footstock, the one end that the footstock was kept away from to the spring is pegged graft and is had the base, the bottom fixedly connected with fixing base of base. This damping device for shale shaker, after the spring of renewal, rotatory first screw rod, make first screw rod promote the hole groove downwards, the hole groove provides reaction force to first screw rod, make the backup pad rise, reach the purpose that risees shale shaker one side, lower damping device risees the regulation on the shale shaker, and to the shale shaker leveling, and stability is improved, second screw rod threaded connection is in the backup pad, the round pin axle is pegged graft in the sleeve, thereby consolidate first screw rod, increase adjustment mechanism's fastness, avoid the shale shaker vibration to make first screw rod receive the too big and crooked or cracked problem of shear force, the structure is reliable, and the practicability is improved.

Description

Damping device for vibrating screen

Technical Field

The utility model relates to a damping device technical field specifically is a damping device for shale shaker.

Background

The vibrating screen works by utilizing reciprocating rotary vibration generated by the vibration of the vibrator, the upper rotary heavy hammer of the vibrator enables the screen surface to generate plane rotary vibration, the lower rotary heavy hammer enables the screen surface to generate conical rotary vibration, the combined effect of the two vibration modes can make the screen surface generate the complex rotation type vibration, the vibration track is a complex space curve, the projection of the curve on the horizontal plane is a circle, the projection on the vertical plane is an ellipse, the amplitude can be changed by adjusting the exciting force of the upper and lower rotary heavy hammers, the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers, the damping devices for the vibrating screen are devices which are arranged at the two sides of the vibrating screen and are used for supporting the vibrating screen, because the vibrating screen can high-frequency vibration during operation to very serious to damping device's consumption, the spring in the damping device can be because of long-time work fatigue damage.

The steel spring vibrating screen with the damping buffer device is easy to replace and is disclosed in Chinese patent CN210386504U, and firstly, the rubber sleeve is arranged on the spring support of the steel spring vibrating screen with the damping buffer device, so that friction noise can be reduced by the rubber sleeve, and the rubber sleeve is arranged in the middle of the steel spring, so that the steel spring vibrating screen can play a role in damping, has noise reduction and has a damping effect. Secondly, the height of the spring support is about 18 cm, the steel spring can be effectively fixed, the top round platform structure is convenient for the steel spring to compress and move, and the spring support has the effect of facilitating the steel spring to vibrate. Thirdly, the mount pad that adopts the steel spring is for nimble dismantlement structure, has with low costs, the effect of being convenient for change, but, this easily change takes damping buffer's steel spring shale shaker, when the problem of solution, has following shortcoming:

this easily change steel spring shale shaker of taking damping buffer, if only damage partial steel spring on the shale shaker, after the maintenance is changed, because old steel spring has used longer time for old steel spring length can be less than the length of new steel spring, thereby damping device's length is different, makes the shale shaker slope unstable, influences the normal use of shale shaker.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping device for shale shaker for after being used for solving the maintenance and changing partial steel spring, because of damping device's length is different for the shale shaker slope is not steady, influences the technical problem of the normal use of shale shaker.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a damping device for a vibrating screen comprises an adjusting mechanism, wherein a top seat is inserted into the bottom of the adjusting mechanism, a spring is inserted into the bottom of the top seat, a base is inserted into one end, far away from the top seat, of the spring, and a fixed seat is fixedly connected to the bottom of the base;

the adjusting mechanism comprises a fixing plate, a supporting plate, a first threaded hole, a first screw rod, a rotating shaft, a second threaded hole, a second screw rod and a pin shaft, wherein the supporting plate is fixedly connected to one side of the fixing plate, the first threaded hole is formed in the top of the supporting plate, the first screw rod is in threaded connection with the inside of the first threaded hole, the rotating shaft is fixedly connected to one end of the first screw rod, the second threaded hole is formed in the top of the supporting plate, the second screw rod is in threaded connection with the inside of the second threaded hole, and the pin shaft is fixedly connected to one end of the second screw rod;

the top seat comprises a pressing plate, a first positioning column, a hole groove and a sleeve, the bottom of the pressing plate is fixedly connected with the first positioning column, the hole groove is formed in the top of the pressing plate, and the bottom of the pressing plate is fixedly connected with the sleeve.

The utility model discloses further set up to: the first screw rod is connected with a hole groove formed in the top of the pressing plate through a rotating shaft arranged at one end of the first screw rod in an inserting mode, and the second screw rod is connected with a sleeve arranged at the bottom of the pressing plate through a pin shaft arranged at one end of the second screw rod in an inserting mode.

Through adopting above-mentioned technical scheme, first screw rod is at first screw hole internal rotation for thrust is exerted to the inside in hole groove to the bottom of pivot, and the principle of reaction force, first screw rod risees the backup pad, otherwise, the backup pad descends, and the in-process of going up and down, round pin axle slide in the sleeve.

The utility model discloses further set up to: the top fixedly connected with second reference column of base, the through-hole has been seted up at the top of base.

The utility model discloses further set up to: the pressing plate is connected with the spring in an inserting mode through a first positioning column arranged at the bottom of the pressing plate, and the base is connected with the spring in an inserting mode through a second positioning column arranged at the top of the base.

Through adopting above-mentioned technical scheme, clamp plate and base carry out the centre gripping to the spring, and first reference column and second reference column are fixed a position the spring, prevent that the spring from breaking away from.

The utility model discloses further set up to: and a third threaded hole is formed in the top of the fixed seat.

The utility model discloses further set up to: the base is connected with the fastening bolt in a sleeved mode through a through hole formed in the top of the base, and the fastening bolt penetrates through the through hole and is in threaded connection with a third threaded hole formed in the top of the fixing base.

Through adopting above-mentioned technical scheme, with base fixed connection at the top of fixing base.

To sum up, the utility model discloses a beneficial technological effect does:

1. according to the damping device for the vibrating screen, the adjusting mechanism is arranged, the first screw rod is rotated after a new spring is replaced, the first screw rod pushes the hole groove downwards, the hole groove provides a reaction force for the first screw rod, the supporting plate is lifted, and therefore the purpose of lifting one side of the vibrating screen is achieved, the damping device which is lower on the vibrating screen is lifted and adjusted, the vibrating screen is leveled, and stability is improved;

2. this damping device for shale shaker through setting up second screw rod and round pin axle, second screw rod threaded connection in the backup pad, and the round pin axle is pegged graft in the sleeve to consolidate first screw rod, increase adjustment mechanism's fastness avoids the shale shaker vibration to make first screw rod receive the too big and crooked or cracked problem of shear force, and the structure is reliable, has improved the practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention;

FIG. 3 is a schematic structural view of the top seat of the present invention;

fig. 4 is a schematic structural view of the base of the present invention;

fig. 5 is a schematic structural view of the fixing base of the present invention.

In the figure: 1-adjusting mechanism, 101-fixing plate, 102-supporting plate, 103-first threaded hole, 104-first screw rod, 105-rotating shaft, 106-second threaded hole, 107-second screw rod, 108-pin shaft, 2-top seat, 201-pressing plate, 202-first positioning column, 203-hole groove, 204-sleeve, 3-spring, 4-base, 401-second positioning column, 402-through hole, 5-fixing seat, 501-third threaded hole and 6-fastening bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a damping device for shale shaker, including adjustment mechanism 1, the bottom of adjustment mechanism 1 is pegged graft and is had footstock 2, and the bottom of footstock 2 is pegged graft and is had spring 3, and spring 3 keeps away from the one end of footstock 2 and pegs graft and have base 4, the bottom fixedly connected with fixing base 5 of base 4.

Referring to fig. 2, the adjusting mechanism 1 includes a fixing plate 101, a supporting plate 102, a first threaded hole 103, a first screw 104, a rotating shaft 105, a second threaded hole 106, a second screw 107 and a pin 108, the supporting plate 102 is fixedly connected to one side of the fixing plate 101, the first threaded hole 103 is formed in the top of the supporting plate 102, the first screw 104 is connected to the first threaded hole 103 through internal threads, the rotating shaft 105 is fixedly connected to one end of the first screw 104, the second threaded hole 106 is formed in the top of the supporting plate 102, the second screw 107 is connected to the second threaded hole 106 through internal threads, the pin 108 is fixedly connected to one end of the second screw 107, in this embodiment, the fixing plate 101 is welded to the outer wall of the vibrating screen to fix the adjusting mechanism 1 to the vibrating screen, and the second screw 107 is screwed into the second threaded hole 106 without penetrating through the support plate 102, so as to prevent the second screw 107 from contacting the sleeve 204.

Referring to fig. 3, the top base 2 includes a pressing plate 201, a first positioning column 202, a hole groove 203 and a sleeve 204, the first positioning column 202 is fixedly connected to the bottom of the pressing plate 201, the hole groove 203 is formed in the top of the pressing plate 201, the sleeve 204 is fixedly connected to the bottom of the pressing plate 201, in this embodiment, a circular hole is formed in the pressing plate 201, and the position of the circular hole corresponds to the position of the inner wall of the sleeve 204.

The first screw 104 is inserted into a hole groove 203 formed in the top of the pressing plate 201 through a rotating shaft 105 arranged at one end of the first screw, and the second screw 107 is inserted into a sleeve 204 formed in the bottom of the pressing plate 201 through a pin 108 arranged at one end of the second screw, in this embodiment, the second screw 107 and the pin 108 are used for reinforcing the first screw 104, so that the problem that the first screw 104 is bent due to excessive shearing force during the operation of the vibrating screen is avoided.

Referring to fig. 4, a second positioning column 401 is fixedly connected to the top of the base 4, and a through hole 402 is formed in the top of the base 4.

The pressing plate 201 is inserted into the spring 3 through a first positioning column 202 arranged at the bottom of the pressing plate, and the base 4 is inserted into the spring 3 through a second positioning column 401 arranged at the top of the pressing plate.

Referring to fig. 5, a third threaded hole 501 is formed in the top of the fixing seat 5.

The base 4 is sleeved with the fastening bolt 6 through the through hole 402 arranged at the top of the base, the fastening bolt 6 penetrates through the through hole 402 to be in threaded connection with the third threaded hole 501 arranged at the top of the fixed seat 5, and in this embodiment, the fastening bolt 6 is used for fixing the base 4 at the top of the fixed seat 5.

The implementation principle of the embodiment is as follows: the fixing plate 101 is fixed on the outer wall of the vibrating screen, the fixing seat 5 is fixed on the ground, when the spring 3 is damaged, the vibrating screen is supported by using a jack, the first screw 104 and the second screw 107 are taken out in a rotating mode, then the fastening bolt 6 is taken down, the footstock 2, the spring 3 and the base 4 can be taken out, after the spring 3 is replaced, the footstock 2, the spring 3 and the base 4 are plugged between the fixing seat 5 and the supporting plate 102, the fastening bolt 6 penetrates through a through hole 402 on the base 4 and is in threaded connection with a third threaded hole 501 on the fixing seat 5, the base 4 is fixed on the fixing seat 5, then the rotating shaft 105 penetrates through the first threaded hole 103, the first screw 104 is in threaded connection with the first threaded hole 103, the pin shaft 108 penetrates through the second threaded hole 106, the second screw 107 is in threaded connection with the second threaded hole 106, the first screw 104 is rotated in the first threaded hole 103, so that, the hole grooves 203 provide reaction force for the first screw 104, so that the supporting plate 102 is lifted, the purpose of lifting one side of the vibrating screen is achieved, the vibrating screen is conveniently leveled, and the stability is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a damping device for shale shaker, includes adjustment mechanism (1), its characterized in that: a top seat (2) is inserted into the bottom of the adjusting mechanism (1), a spring (3) is inserted into the bottom of the top seat (2), a base (4) is inserted into one end, far away from the top seat (2), of the spring (3), and a fixed seat (5) is fixedly connected to the bottom of the base (4);

the adjusting mechanism (1) comprises a fixing plate (101), a supporting plate (102), a first threaded hole (103), a first screw (104), a rotating shaft (105), a second threaded hole (106), a second screw (107) and a pin shaft (108), wherein the supporting plate (102) is fixedly connected to one side of the fixing plate (101), the first threaded hole (103) is formed in the top of the supporting plate (102), the first screw (104) is connected to the inner thread of the first threaded hole (103), the rotating shaft (105) is fixedly connected to one end of the first screw (104), the second threaded hole (106) is formed in the top of the supporting plate (102), the second screw (107) is connected to the inner thread of the second threaded hole (106), and the pin shaft (108) is fixedly connected to one end of the second screw (107);

the top seat (2) comprises a pressing plate (201), a first positioning column (202), a hole groove (203) and a sleeve (204), the bottom of the pressing plate (201) is fixedly connected with the first positioning column (202), the hole groove (203) is formed in the top of the pressing plate (201), and the bottom of the pressing plate (201) is fixedly connected with the sleeve (204).

2. A vibration screen damping apparatus according to claim 1, wherein: the first screw (104) is inserted into a hole groove (203) formed in the top of the pressing plate (201) through a rotating shaft (105) arranged at one end of the first screw, and the second screw (107) is inserted into a sleeve (204) formed in the bottom of the pressing plate (201) through a pin shaft (108) arranged at one end of the second screw.

3. A vibration screen damping apparatus according to claim 1, wherein: the top of base (4) fixedly connected with second reference column (401), through-hole (402) have been seted up at the top of base (4).

4. A vibration screen damping apparatus according to claim 1, wherein: the pressing plate (201) is connected with the spring (3) in an inserting mode through a first positioning column (202) arranged at the bottom of the pressing plate, and the base (4) is connected with the spring (3) in an inserting mode through a second positioning column (401) arranged at the top of the base.

5. A vibration screen damping apparatus according to claim 1, wherein: and a third threaded hole (501) is formed in the top of the fixed seat (5).

6. A vibration screen damping apparatus according to claim 1, wherein: the base (4) is sleeved with the fastening bolt (6) through the through hole (402) formed in the top of the base, and the fastening bolt (6) penetrates through the through hole (402) and is in threaded connection with the third threaded hole (501) formed in the top of the fixing base (5).