CN214555272U

CN214555272U - Vibrating screen transmission shaft system

Info

Publication number: CN214555272U
Application number: CN202120589864.7U
Authority: CN
Inventors: 胡雷生
Original assignee: Taizhou Mingyan Technology Co ltd
Current assignee: Taizhou Mingyan Technology Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-11-02
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a shale shaker transmission shafting belongs to screening plant technical field, including drive shaft (1), drive shaft (1) one end is provided with transmission shaft (2), be provided with connecting piece (3) between drive shaft (1) and transmission shaft (2), connecting piece (3) respectively with drive shaft (1), transmission shaft (2) swing joint, the one end that transmission shaft (2) were kept away from in drive shaft (1) is provided with belt pulley (4), belt pulley (4) lower extreme is provided with drive arrangement, be provided with the drive belt between belt pulley (4) and the drive arrangement, belt pulley (4) one side is provided with stop gear (5) and sealing device (6), stop gear (5) are including bearing (7) and joint bearing (8), the utility model discloses can avoid the conveyer belt to cause conveyer belt fracture phenomenon because the violent vibration of belt pulley.

Description

Vibrating screen transmission shaft system

Technical Field

The utility model belongs to the technical field of screening equipment, the shale shaker transmission shafting for alleviateing shale shaker transmission shaft vibration is related to specifically saying so.

Background

The vibrating screen is filtering mechanical separator for sand solid treatment and consists of screen and vibrator, the screen includes coarse screen and fine screen, and the vibrator is one eccentric wheel and is driven by motor to rotate to vibrate the screen frame. The vibrating screen mainly works by utilizing reciprocating rotary vibration generated by vibration excitation 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 two rotary heavy hammers and the lower rotary heavy hammer jointly act to enable the screen surface to generate double rotary vibration, sand grains are layered according to the size of the grains, and coarse grain and fine grain separation is achieved.

The patent of utility model CN201620299600.7 discloses a soft shale shaker of high efficiency, including the shale shaker supporting seat, the shale shaker supporting seat terminal surface is setting up the belt pulley, and the belt pulley end-to-end connection vibrator is connecting trapezoidal conveyer belt on the shale shaker supporting seat, and trapezoidal conveyer belt setting is on the belt pulley surface, and this utility model can effectual improvement screening efficiency. But this patent is direct to be connected the vibrator with the belt pulley, also drives the belt pulley and shakes fast when the shale shaker begins quick vibration, makes the conveyer belt wearing and tearing or the fracture on the belt pulley like this easily, influences the use, and need constantly change the conveyer belt, increases the cost. Therefore, it is necessary to provide a transmission shaft system capable of reducing the vibration frequency of the belt pulley, and preventing the transmission belt from being worn or broken due to the high-speed shaking of the vibrating screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art in the conveyer belt because the high technical problem such as wearing and tearing or fracture that causes of the vibration frequency of belt pulley easily provides one kind and can alleviate the belt pulley vibration, avoid the conveyer belt to cause conveyer belt cracked shale shaker transmission shafting because the violent vibration of belt pulley.

In order to solve the technical problem, the utility model provides a shale shaker transmission shafting, including the drive shaft, drive shaft one end is provided with the transmission shaft, be provided with the connecting piece between drive shaft and the transmission shaft, the connecting piece respectively with drive shaft, transmission shaft swing joint, the one end that the transmission shaft was kept away from to the drive shaft is provided with the belt pulley, the belt pulley cover is located in the drive shaft, the belt pulley lower extreme is provided with and is used for driving pulley pivoted drive arrangement, be provided with the drive belt between belt pulley and the drive arrangement, belt pulley one side is provided with the stop gear who is used for confirming the drive shaft position and plays sealing effect to stop gear, stop gear locates the epaxial bearing of drive and sets up the joint bearing outside the bearing including the cover.

Through drive arrangement drive belt transmission, thereby it rotates to drive the belt pulley, the belt pulley drives the drive shaft and rotates, the drive shaft drives the transmission shaft and rotates, because be provided with between drive shaft and the transmission shaft respectively with the drive shaft, transmission shaft swing joint's connecting piece, therefore, when the shale shaker drives the transmission shaft vibration, can make the drive shaft keep rotary motion, thereby reduce or avoid the vibration of drive shaft, avoid producing the injury to the drive belt on the belt pulley, recycle the bearing and carry out spacing and reduce friction to the drive shaft, utilize joint bearing to realize the rotatory swing of drive shaft at arbitrary angle simultaneously, further reduction drive shaft's vibration frequency, sealing device seals up bearing and joint bearing required lubricating oil, prevent the lubricating oil seepage.

As a further improvement of the utility model, foretell connecting piece is including setting up the cross between drive shaft and transmission shaft, set up the mounting hole one that supplies the cross to peg graft in the drive shaft, set up the mounting hole two that supplies the cross to peg graft on the transmission shaft, the cross respectively with drive shaft, transmission shaft normal running fit utilize the cross to adjust the angle between drive shaft and the transmission shaft, realize the variable angle power transmission of drive shaft and transmission shaft, alleviate drive shaft vibration frequency.

As a further improvement, the aforesaid joint bearing includes relative pivoted interior bulb and outer bulb, outside the interior bulb was located to outer bulb cover, interior bulb can be along the arbitrary angular rotation swing of interior sphere of outer bulb, outer bulb includes outer bulb one and outer bulb two, be provided with clearance one between outer bulb one and the outer bulb two, clearance two has been seted up along its self axial to outer bulb lateral wall, clearance three has been seted up along its self axial to outer bulb two lateral walls, and clearance one, clearance two and clearance three of seting up make outer bulb have tension and elasticity, can adapt to the vibration frequency of shale shaker transmission shafting.

As a further improvement of the utility model, foretell sealing device locates the annular housing of joint bearing outer end and sets up in the apron at annular housing both ends including the cover, outer bulb one and outer bulb two the outer wall all with the inner wall of annular housing pastes mutually and leans on, cover and set up the through-hole that supplies the drive shaft to pass, still the cover is equipped with the sealing washer of pegging graft in the through-hole and sets up the oil blanket between through-hole and sealing washer in the drive shaft, utilizes the position of the fixed joint bearing of annular housing, especially carries out spacing fixed to outer bulb, utilizes apron, sealing washer, oil blanket to seal bearing and joint bearing required lubricating oil, prevents the lubricating oil seepage.

As the utility model discloses a further improvement measure, foretell sealing washer one end is pegged graft in the through-hole, the outside extension of the sealing washer other end forms the card platform, correspond on the apron the card platform is seted up flutedly, utilizes card platform and recess to carry out the joint, and it is spacing to carry out the horizontal direction to the sealing washer, prevents that the sealing washer from rotating the in-process shift position at the drive shaft, the condition of lubricating oil seepage appears.

As the utility model discloses a further improvement measure is provided with the bush between foretell sealing washer and the belt pulley, utilizes the bush further to realize sealed and the protection of abrasionproof loss, and it is spacing also to carry out the horizontal direction to the sealing washer simultaneously, prevents that the sealing washer from rotating the in-process shift position at the drive shaft, the condition of lubricating oil seepage appears.

Compared with the prior art, the beneficial effects of the utility model reside in that: 1. the cross shaft is respectively in running fit with the driving shaft and the transmission shaft, so that variable-angle power transmission between the driving shaft and the transmission shaft is realized, and the driving shaft is ensured to keep rotating motion in the vibration process of the transmission shaft, so that the vibration frequency of the belt pulley is reduced, and the condition that the transmission belt is easily abraded or broken due to high vibration frequency of the belt pulley is avoided; 2. the joint bearing is sleeved at the outer end of the bearing, so that the device can rotate and swing at any angle during movement, the vibration frequency of the belt pulley is further reduced, and the condition that the conveying belt is abraded or broken due to severe vibration of the belt pulley is avoided; 3. the utility model discloses utilize cross axle, sealing washer and oil blanket isotructure, can effectively avoid wearing and tearing or damage to appear in long-time use, be favorable to improving the life of shale shaker transmission shaft.

Drawings

Fig. 1 is a plan view of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a sectional view of the joint bearing of the present invention.

Fig. 4 is a perspective view of the outer ball head of the present invention.

Fig. 5 is a cross-sectional view of the sealing ring of the present invention.

The reference numbers illustrate: 1-driving shaft, 2-driving shaft, 3-connecting piece, 4-belt pulley, 5-limiting mechanism, 6-sealing device, 7-bearing, 8-joint bearing, 9-cross shaft, 10-inner ball head, 11-outer ball head, 111-outer ball head I, 112-outer ball head II, 12-gap I, 13-gap II, 121-gap III, 14-annular shell, 15-cover plate, 16-through hole, 17-sealing ring, 18-oil seal, 19-clamping table, 20-groove, 21-bush, 22-mounting hole I and 23-mounting hole III.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

As shown in fig. 1 and 2, a vibrating screen transmission shaft system comprises a vibrating screen transmission shaft system, which comprises a driving shaft 1, a transmission shaft 2 is arranged at one end of the driving shaft 1, a connecting piece 3 which is movably connected with the driving shaft 1 and the transmission shaft 2 is arranged between the driving shaft 1 and the transmission shaft 2, the connecting piece 3 comprises a cross shaft 9 arranged between the driving shaft 1 and the transmission shaft 2, in order to ensure the movable fit between the cross shaft 9 and the driving shaft 1 and the transmission shaft 2 and realize the reduction of the vibration frequency of the driving shaft 1, a first mounting hole 22 for the insertion of the cross shaft 9 is arranged on the driving shaft 1, a second mounting hole 23 for the insertion of the cross shaft 9 is arranged on the transmission shaft 2, the cross shaft 9 is respectively matched with the driving shaft 1 and the transmission shaft 2 in a rotating way, which is beneficial to the driving shaft 1 to keep rotating movement in the vibrating process of the transmission shaft 2 rather than vibrating together with the transmission shaft 2 at high speed, thereby reducing the vibration frequency of the pulley 4.

The one end that transmission shaft 2 was kept away from to drive shaft 1 is provided with

belt pulley

4, and 4 covers of belt pulley are located on

drive shaft

1, and 4 lower extremes of belt pulley are provided with and are used for driving 4 pivoted drive arrangement of belt pulley, are provided with the drive belt between belt pulley 4 and the drive arrangement, and drive arrangement sets up to the motor.

As shown in fig. 1 to 4, a limiting mechanism 5 for determining the position of the driving shaft 1 is disposed on one side of the belt pulley 4, the limiting mechanism 5 includes a bearing 7 sleeved on the driving shaft 1 and a joint bearing 8 disposed outside the bearing 7, the joint bearing 8 includes an inner ball head 10 and an outer ball head 11 which rotate relatively, the outer ball head 11 is sleeved outside the inner ball head 10, in order to further reduce the vibration of a transmission shaft system of the vibrating screen and avoid the collision between the inner ball head 10 and the outer ball head 11 to cause abrasion, the outer ball head 11 comprises a first outer ball head 111 and a second outer ball head 112, a first gap 12 is arranged between the first outer ball head 111 and the second outer ball head 112, a second gap 13 is arranged on the side wall of the first outer ball head 111 along the axial direction of the first outer ball head, a third gap 121 is arranged on the side wall of the second outer ball head 112 along the axial direction of the second outer ball head, the structure enables the outer ball head 11 to have tension and elasticity, and can meet the requirement of certain range of movement of the inner ball head 10 in the outer ball head 11.

The sealing device 6 used for sealing the limiting mechanism 5 is further arranged on one side of the belt pulley 4, the sealing device 6 comprises an annular shell 14 and cover plates 15, the annular shell 14 is sleeved on the outer end of the joint bearing 8, the cover plates 15 are arranged at two ends of the annular shell 14, the first outer ball head 111 and the second outer ball head 112 are independent, a gap I12 is formed in the middle of the first outer ball head 111 and the second outer ball head 112, if the first outer ball head 111 and the second outer ball head 112 are not fixed, the first outer ball head 111 and the second outer ball head 112 can fall off and cannot be matched with the inner ball head 10, therefore, the outer walls of the first outer ball head 111 and the second outer ball head 112 are attached to the inner wall of the annular shell 14, the first outer ball head 111 and the second outer ball head 112 are installed and fixed, a through hole 16 for the driving shaft 1 to pass through is formed in the cover plates 15, and the first driving shaft 1 passes through the first through hole 16 and then is inserted into the sealing device 6.

The limiting mechanism 5 and the sealing device 6 may be disposed inside the belt pulley 4 or outside the belt pulley 4, as long as the effect of fixing the position of the driving shaft 1 can be achieved.

As shown in fig. 2 and 5, the driving shaft 1 is further sleeved with a sealing ring 17 inserted into the through hole 16 and an oil seal 18 arranged between the through hole 16 and the sealing ring 17, one end of the sealing ring 17 is inserted into the through hole 16, the other end of the sealing ring 17 extends outwards to form a clamping table 19, the cover plate 15 is provided with a groove 20 corresponding to the clamping table 19, the clamping table 19 and the groove 20 are clamped in a matched manner, so that the installation and the limitation of the sealing ring 17 are realized, and a bushing 21 is arranged between the sealing ring 17 and the belt pulley 4.

The utility model discloses a theory of operation and working process are: the driving belt is driven by the driving device to drive the belt pulley 4 to rotate, the belt pulley 4 drives the driving shaft 1 to rotate, the driving shaft 1 drives the transmission shaft 2 to rotate, when the vibrating screen drives the transmission shaft 2 to vibrate, the driving shaft 1 and the transmission shaft 2 are respectively provided with the cross shafts 9 which are in running fit with the driving shaft 1 and the transmission shaft 2, so that the driving shaft 1 can keep rotating motion per se, vibration of the driving shaft 1 is reduced or avoided, abrasion damage to the transmission belt on the belt pulley 4 is avoided, the driving shaft 1 is limited and friction is reduced by the bearing 7, meanwhile, the driving shaft 1 can rotate and swing at any angle by the joint bearing 8, a gap I12 is arranged between the outer ball head I111 and the outer ball head II 112, the side wall of the outer ball head I111 is provided with a gap II 13 along the self axial direction, and the side wall of the outer ball head II 112 is provided with a gap III 121 along the self axial direction, therefore, the outer ball head 11 has certain tension, can bear the rotary swing of the inner ball head 10 in the vibration process, can further reduce the vibration frequency of the driving shaft 1, and is sealed by the annular shell 14, the cover plate 15, the sealing ring 17 and the oil seal 18, so that the lubricating oil required by the rotation of the joint bearing 7 and the bearing 7 cannot leak.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. The utility model provides a vibrating screen transmission shaft system, includes drive shaft (1), its characterized in that, drive shaft (1) one end is provided with transmission shaft (2), be provided with connecting piece (3) between drive shaft (1) and transmission shaft (2), connecting piece (3) respectively with drive shaft (1), transmission shaft (2) swing joint, the one end that transmission shaft (2) were kept away from in drive shaft (1) is provided with belt pulley (4), belt pulley (4) cover is located on drive shaft (1), belt pulley (4) lower extreme is provided with and is used for driving pulley (4) pivoted drive arrangement, be provided with the drive belt between belt pulley (4) and the drive arrangement, belt pulley (4) one side is provided with stop gear (5) that are used for confirming drive shaft (1) position and sealing device (6) to stop gear (5) sealed effect, the limiting mechanism (5) comprises a bearing (7) sleeved on the driving shaft (1) and a joint bearing (8) arranged outside the bearing (7).

2. The vibrating screen transmission shaft system according to claim 1, wherein the connecting member (3) comprises a cross shaft (9) arranged between the driving shaft (1) and the transmission shaft (2), a first mounting hole (22) for the cross shaft (9) to be inserted is formed in the driving shaft (1), a second mounting hole (23) for the cross shaft (9) to be inserted is formed in the transmission shaft (2), and the cross shaft (9) is respectively matched with the driving shaft (1) and the transmission shaft (2) in a rotating mode.

3. The vibrating screen transmission shaft system as claimed in claim 1, wherein the joint bearing (8) comprises an inner ball head (10) and an outer ball head (11) which rotate relatively, the outer ball head (11) is sleeved outside the inner ball head (10), the outer ball head (11) comprises a first outer ball head (111) and a second outer ball head (112), a first gap (12) is arranged between the first outer ball head (111) and the second outer ball head (112), a second gap (13) is formed in the side wall of the first outer ball head (111) along the axial direction of the side wall, and a third gap (121) is formed in the side wall of the second outer ball head (112) along the axial direction of the side wall.

4. The vibrating screen transmission shaft system as claimed in claim 3, wherein the sealing device (6) comprises an annular shell (14) sleeved at the outer end of the joint bearing (8) and cover plates (15) arranged at two ends of the annular shell (14), the outer walls of the first outer ball head (111) and the second outer ball head (112) are respectively attached to the inner wall of the annular shell (14), a through hole (16) for the driving shaft (1) to pass through is formed in the cover plate (15), and a sealing ring (17) inserted into the through hole (16) and an oil seal (18) arranged between the through hole (16) and the sealing ring (17) are further sleeved on the driving shaft (1).

5. A vibrating screen transmission shaft system as claimed in claim 4, wherein one end of the sealing ring (17) is inserted into the through hole (16), the other end of the sealing ring (17) extends outwards to form a clamping table (19), and a groove (20) is formed in the cover plate (15) corresponding to the clamping table (19).

6. A vibrating screen drive shaft system as claimed in claim 5, characterised in that a bushing (21) is arranged between the sealing ring (17) and the pulley (4).