CN219905719U - Conveyer belt traction damper capable of preventing conveyer belt from sliding - Google Patents

Abstract

A conveyer belt traction damper capable of preventing conveyer belt from sliding belongs to the technical field of conveyer belt maintenance equipment and is used for preventing conveyer belt from sliding when the conveyer belt is replaced. The technical proposal is as follows: the driving roller and the driven roller are respectively arranged on the upper part of the frame, the driving roller is parallel to the driven roller, the new conveying belt passes through the space between the driving roller and the driven roller, the driving roller is contacted with the upper surface of the new conveying belt, the driven roller is contacted with the lower surface of the new conveying belt, one end of a driving roller shaft of the driving roller extends out of the frame, the brake disc is arranged on the extending driving roller shaft, the electromagnetic brake is fixedly arranged on the frame below the brake disc, and the electromagnetic brake is connected with the brake disc in a matched manner. The utility model has simple structure and convenient use, can automatically brake the conveyer belt through the electromagnetic brake after the winch stops traction, prevents the conveyer belt from sliding, ensures timely and effective braking process and can avoid the damage of the conveyer belt.

Description

Conveyer belt traction damper capable of preventing conveyer belt from sliding

Technical Field

The utility model relates to a conveyer belt traction damper capable of effectively preventing a conveyer belt from sliding when the conveyer belt is replaced, and belongs to the technical field of conveyer belt maintenance equipment.

Background

The belt conveyer is a bulk material conveying equipment, and is generally composed of a conveying belt, a roller, a carrier roller, a driving motor, a speed reducer, a coupler and other devices. When the conveyer belt needs to be replaced due to excessive wear or accidental tearing, the conveyer belt is disconnected at the middle part of the conveyer belt, one connector of the conveyer belt is connected with the new conveyer belt, the other connector is pulled by the winch, at the moment, the old conveyer belt is gradually separated from the belt conveyor, and the new conveyer belt replaces the old conveyer belt to complete the replacement process.

In the traction process of the conveyer belt, if the fall of the conveyer belt is higher, under the action of gravity, the conveyer belt can automatically slide, and if the conveyer belt is not timely processed, the sliding speed of the conveyer belt is faster and faster, and finally, the control is lost, so that the safety accident is caused. In order to prevent the conveyor belt from sliding automatically, a clamp is additionally arranged at the end part of the new conveyor belt, the clamp consists of two channel steel, two ends of the channel steel are fastened by bolts, and in the traction process, if the conveyor belt is found to start to slide automatically, the bolts are fastened manually, and at the moment, the two channel steel tightly clamp the conveyor belt to prevent the conveyor belt from sliding. In use, the following problems are found with the method of preventing the conveyor from slipping with the clips: firstly, manual operation is complicated; secondly, if the site is found not timely, the clamp is fastened after the conveying belt slides, and the conveying belt is possibly damaged; thirdly, if the conveyor belt is already pulled, and the clips are not loosened, the conveyor belt is torn in a large area. There is a great need for improvements in existing devices that prevent the conveyor belt from slipping during traction.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the conveyer belt traction damper capable of preventing the conveyer belt from sliding, which can ensure the normal operation of the conveyer belt when a winch is in traction, automatically brake the conveyer belt after the winch stops traction, prevent the conveyer belt from sliding, timely and effectively brake the conveyer belt and avoid the conveyer belt from being damaged.

The technical scheme for solving the technical problems is as follows:

the utility model provides a can prevent conveyer belt swift current conveyer belt traction damper, it includes the frame, the initiative cylinder, driven cylinder, electromagnetic braking ware, the brake disc, the frame is steel sheet and shaped steel welded cuboid board frame structure, initiative cylinder and driven cylinder are installed respectively in the upper portion of frame, initiative cylinder and driven cylinder are parallel, driven cylinder is located the one end that is close to new conveyer belt coil, initiative cylinder is located conveyer belt traction direction's one end, new conveyer belt passes between initiative cylinder and the driven cylinder, the initiative cylinder contacts with the upper surface of new conveyer belt, driven cylinder contacts with the lower surface of new conveyer belt, the frame is stretched out to initiative cylinder axle one end of initiative cylinder, the brake disc is installed on the initiative cylinder axle that stretches out, electromagnetic braking ware fixed mounting is on the frame of brake disc below, electromagnetic braking ware and brake disc cooperation are connected.

Above-mentioned conveyer belt traction damper that can prevent conveyer belt swift current, there is initiative roller bearing mounting hole on the face of upper portion front end both sides of frame respectively, and initiative roller bearing installs in initiative roller bearing mounting hole, initiative roller shaft both ends respectively with initiative roller bearing cooperation installation.

Above-mentioned conveyer belt traction damper that can prevent conveyer belt swift current, there is driven cylinder bearing frame mounting groove on the upper portion rear end both sides wall of frame respectively, driven cylinder bearing frame mounting groove is rectangular opening, there is rectangular arch along rectangular opening length direction on the upper bottom surface and the lower bottom surface respectively on the rectangular open-ended, driven cylinder bearing frame is rectangular shaped plate, there is rectangular recess on the upper end face and the lower terminal surface of the rectangular shaped plate of driven cylinder bearing frame respectively, driven cylinder bearing frame upper end face and the recess of lower terminal surface respectively with the protruding phase-match of driven cylinder bearing frame mounting groove upper bottom surface and lower bottom surface, the arch is embedded in the recess, protruding and recess are sliding fit, there is driven cylinder bearing mounting hole on the rectangular face of driven cylinder bearing frame of frame both sides respectively, driven cylinder bearing installs in driven cylinder bearing mounting hole, driven cylinder axle both ends are installed with driven cylinder bearing cooperation respectively.

The conveyer belt traction damper capable of preventing conveyer belt from sliding is characterized in that tensioning blocks are respectively arranged at the rear parts of the driven roller bearing seat mounting grooves on two sides of the frame, the tensioning blocks are rectangular blocks, the width and the height of each tensioning block are respectively matched with the width and the length of the rear end of the side wall of the frame, through holes are respectively formed in the upper end and the lower end of each tensioning block, screw holes are respectively formed in the rear end face of the corresponding side wall of the frame, a fixing bolt penetrates through the through holes of each tensioning block to fixedly connect the tensioning blocks with the rear end of the side wall of the frame, two tensioning screw holes are respectively formed in the middle of each tensioning block, and the front ends of the tensioning bolts are opposite to the rear end faces of the driven roller bearing seats in the driven roller bearing seat mounting grooves.

Above-mentioned conveyer belt traction damper that can prevent conveyer belt swift current, there are outer end cover and inner end cover at the both ends of initiative roller bearing and driven roller bearing respectively, and the outer end cover is the disc, and the inner end cover is the ring, and there are the fixed orifices outer end cover and inner end cover's circumference respectively, and the bolt passes through the fixed orifices with outer end cover and inner end cover fixed connection on the circumference frame of initiative roller bearing and driven roller bearing both sides, has the retainer plate on the inner wall of outer end cover and inner end cover respectively opposite with initiative roller bearing and driven roller bearing's outer lane both sides.

The beneficial effects of the utility model are as follows:

the driving roller and the driven roller are clamped at two sides of the new conveying belt and are in tensioning friction contact with the new conveying belt; one end of the driving roller is connected with the electromagnetic brake through a brake disc, and the rotation moment applied by the new conveyor belt to the driving roller is larger than the braking force provided by the electromagnetic brake to the driving roller, so that the new conveyor belt can be pulled normally; after traction is stopped, the driving roller only receives braking force provided by the electromagnetic brake, the driving roller does not rotate, the driving roller is in tensioning connection with the new conveying belt through friction force, and the conveying belt does not slide; the outside of driven cylinder bearing frame has the tensioning bolt to push up tightly, can adjust the rate of tension between driven cylinder, driving roll and the new conveyer belt, guarantees to have sufficient frictional force between new conveyer belt and the driving roll, can not take place to swift current and move.

The utility model has simple structure and convenient use, can ensure the normal operation of the conveyer belt when the winch is in traction, can automatically brake the conveyer belt through the electromagnetic brake after the winch stops traction, prevents the conveyer belt from sliding, ensures the timely and effective braking process, and can avoid the damage of the conveyer belt.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a sectional view B-B of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic structural view of a frame;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic view of the structure of the driven roller bearing housing;

FIG. 8 is a D-D sectional view of FIG. 7;

FIG. 9 is a schematic structural view of a tensioning block;

FIG. 10 is a sectional E-E view of FIG. 9;

FIG. 11 is a cross-sectional view of the outer end cap;

FIG. 12 is a cross-sectional view of the inner end cap;

FIG. 13 is a schematic structural view of a brake disc;

FIG. 14 is a side view of FIG. 13;

fig. 15 is a schematic view of the use state of the present utility model.

The figures are labeled as follows: the device comprises a frame 1, a driving roller 2, a driven roller 3, a brake disc 4, an electromagnetic brake 5, a driving roller shaft 6, a driven roller shaft 7, a driving roller bearing mounting hole 8, a driving roller bearing 9, a driven roller bearing seat 10, a driven roller bearing seat mounting groove 11, a bulge 12, a groove 13, a driven roller bearing 14, a driven roller bearing mounting hole 15, a tensioning block 16, a through hole 17, a screw hole 18, a fixing bolt 19, a tensioning screw hole 20, a tensioning bolt 21, an outer end cover 22, an inner end cover 23, a fixing hole 24, a positioning ring 25, a conveying belt 26, a new conveying belt 27 and a traction force 28.

Detailed Description

The utility model is composed of a frame 1, a driving roller 2, a driven roller 3, a brake disc 4, an electromagnetic brake 5, a driving roller bearing 9, a driven roller bearing 14, a tensioning block 16, an outer end cover 22 and an inner end cover 23.

Fig. 1, 2, 3 and 4 show that the frame 1 is a cuboid plate frame structure welded by steel plates and section steel, the driving roller 2 and the driven roller 3 are installed on the upper portion of the frame 1, the driving roller 2 and the driven roller 3 are parallel, the driven roller 3 is located at one end close to a new conveying belt roll, the driving roller 2 is located at one end of a conveying belt traction direction, the new conveying belt 27 passes through the space between the driving roller 2 and the driven roller 3, the driving roller 2 is contacted with the upper surface of the new conveying belt 27, and the driven roller 3 is contacted with the lower surface of the new conveying belt 27. The driving roller 2 is fixedly connected with the frame 1, the driven roller 3 is movably connected with the frame 1 in a sliding manner, and the tension and friction between the driving roller 2 and the driven roller 3 and the new conveying belt 27 can be adjusted by moving the driven roller 3.

Fig. 1, 2, 3 and 4 show that the center of the driving roller 2 is a driving roller shaft 6, two sides of the front end of the upper part of the frame 1 are respectively provided with driving roller bearing mounting holes 8, driving roller bearings 9 are mounted in the driving roller bearing mounting holes 8, and two ends of the driving roller shaft 6 are respectively mounted in a matched manner with the driving roller bearings 9.

Figures 1, 2, 3 and 4 show that one end of an active drum shaft 6 extends out of the frame 1, a brake disc 4 is mounted on the extended active drum shaft 6, an electromagnetic brake 5 is fixedly mounted on the frame 1 below the brake disc 4, and the electromagnetic brake 5 is connected with the brake disc 4 in a matched mode. The electromagnetic brake 5 provides braking force to the brake disc 4 to prevent the brake disc 4 from rotating, thereby braking the driving drum 2.

Fig. 5, 6, 7 and 8 show that the movable sliding connection structure between the driven roller 3 and the frame 1 is that two side walls of the rear end of the upper part of the frame 1 are respectively provided with a driven roller bearing seat mounting groove 11, the driven roller bearing seat mounting groove 11 is a rectangular opening, and the upper bottom surface and the lower bottom surface of the rectangular opening are respectively provided with a strip-shaped bulge 12 along the length direction of the rectangular opening so as to play a role of a sliding block. The driven roller bearing seat 10 is a rectangular plate, the upper end face and the lower end face of the rectangular plate of the driven roller bearing seat 10 are respectively provided with a strip-shaped groove 13, and the grooves 13 are sliding grooves. Grooves 13 on the upper end face and the lower end face of the driven roller bearing seat 10 are respectively matched with protrusions 12 on the upper bottom face and the lower bottom face of the driven roller bearing seat mounting groove 11, the protrusions 12 are embedded in the grooves 13, and the protrusions 12 are in sliding fit with the grooves 13, so that the driven roller bearing seat 10 can slide back and forth in the driven roller bearing seat mounting groove 11. The rectangular plate surfaces of the driven roller bearing seats 10 on the two sides of the frame 1 are respectively provided with driven roller bearing mounting holes 15, the driven roller bearings 14 are mounted in the driven roller bearing mounting holes 15, and the two ends of the driven roller shaft 7 are respectively mounted in a matched manner with the driven roller bearings 14. When the driven roller bearing seat 10 moves forwards and backwards, the driven roller shaft 7 and the driven roller 3 can be driven to move forwards and backwards, so that the aim of adjusting the tension and friction between the driving roller 2 and the driven roller 3 and the new conveying belt 27 is fulfilled.

Fig. 9 and 10 show that the movement of the driven roller bearing housing 10 is performed by the tensioning block 16. The tensioning blocks 16 are located at the rear ends of two side walls of the frame 1, the tensioning blocks 16 are rectangular blocks, the width and the height of each tensioning block 16 are respectively matched with the width and the length of the rear end of the side wall of the frame 1, through holes 17 are respectively formed in the upper end and the lower end of each tensioning block 16, screw holes 18 are respectively formed in the rear end faces of the corresponding side walls of the frame, and fixing bolts 19 penetrate through the through holes 17 of the tensioning blocks 16 to fixedly connect the tensioning blocks 16 with the rear ends of the side walls of the frame 1. The middle part of the tensioning block 16 is respectively provided with two tensioning screw holes 20, a tensioning bolt 21 is screwed in the tensioning screw holes 20, and the front end of the tensioning bolt 21 is opposite to the rear end face of the driven roller bearing seat 10 in the driven roller bearing seat mounting groove 11. After the fixing bolts 19 fix the tensioning blocks 16 to the rear end of the frame, the tensioning bolts 21 are turned to push the driven roller bearing block 10 forward, thereby adjusting the positions of the driven roller bearing block 10 and the driven roller 3.

Fig. 11 and 12 show that the two ends of the driving roller bearing 9 and the driven roller bearing 14 are respectively provided with an outer end cover 22 and an inner end cover 23, the outer end cover 22 is a disc, the inner end cover 23 is a circular ring, the circumferences of the outer end cover 22 and the inner end cover 23 are respectively provided with a fixing hole 24, the outer end cover 22 and the inner end cover 23 are fixedly connected on the circumferential frames 1 at two sides of the driving roller bearing 9 and the driven roller bearing 14 through the fixing holes 24 by bolts, and the inner walls of the outer end cover 22 and the inner end cover 23 are respectively provided with a positioning ring 25 which is opposite to two sides of the outer rings of the driving roller bearing 9 and the driven roller bearing 14 so as to position the driving roller bearing 9 and the driven roller bearing 14 and prevent the driving roller bearing 9 and the driven roller bearing 14 from moving and falling out.

Fig. 13 and 14 show that the brake disc 4 is a disc, the center of the brake disc 4 is provided with a sleeve, the inner hole of the sleeve is matched with the outer diameter of the driving roller shaft 6, the sleeve of the brake disc 4 is sleeved on the driving roller shaft 6, and the sleeve is connected with the driving roller shaft 6 by adopting a key.

Fig. 15 shows the use state of the present utility model as follows:

the new conveyer belt 27 passes through the gaps of the driving roller 2 and the driven roller 3, and the tensioning bolts 21 on the tensioning blocks 16 are adjusted, so that the driven roller bearing seat 10 drives the driven roller 3 to be close to the driving roller 2 until the driven roller 3 applies proper pressing force to the new conveyer belt 27. According to the drop height of the conveyor belt 26, the braking torque of the electromagnetic brake 5 is calculated and adjusted to a proper value. After the adjustment, the conveyor belt 26 is pulled, the new conveyor belt 27 applies a rotation moment to the driving roller 2, the rotation moment is far greater than the braking moment of the electromagnetic brake 5, and at the moment, the driving roller 2 and the driven roller 3 start to rotate, and the pulling is smoothly carried out. At the end of the traction, the braking torque of the electromagnetic brake 5 keeps the active drum 2 stationary, and therefore the conveyor belt 26 also remains stationary, preventing the conveyor belt 26 from sliding on its own. If the braking torque of the electromagnetic brake 5 is insufficient, the conveyor belt 26 still can slide by itself, and only the braking torque of the electromagnetic brake 5 needs to be increased.

One embodiment of the utility model is as follows:

the length of the frame 1 is 1860mm, the width is 720mm, and the height is 720mm;

the outer diameter of the driving roller 2 is 300mm, the length is 1500mm, the thickness of the roller skin is 10mm, the diameter of the driving roller shaft 6 is 80mm, and the length is 1995mm;

the outer diameter of the driven roller 3 is 300mm, the length is 1500mm, the thickness of the cylinder skin is 10mm, the diameter of the driven roller shaft 7 is 80mm, and the length is 1835mm;

the diameter of the brake disc 4 is 500mm, and the thickness is 15mm;

the model of the electromagnetic brake 5 is Semer 645;

the diameter of the driving roller bearing mounting hole 8 is 130mm;

the model number of the driving roller bearing 9 and the driven roller bearing 14 is 6215;

the length of the driven roller bearing seat 10 is 340mm, the width is 230mm, the thickness is 50mm, the width of the groove 13 is 20mm, and the depth is 10mm;

the length of the driven roller bearing seat mounting groove 11 is 340mm, the height is 230mm, the thickness is 50mm, the width of the bulge 12 is 20mm, and the height is 10mm;

the diameter of the driven roller bearing mounting hole 15 is 130mm;

the tensioning block 16 has a length of 300mm, a width of 50mm and a thickness of 50mm;

the diameter of the outer end cap 22 is 200mm;

the outer diameter of the inner end cap 23 is 200mm and the inner hole diameter is 82mm.

Claims (5)

1. A conveyor belt traction damper capable of preventing a conveyor belt from slipping, characterized in that: the novel electromagnetic brake comprises a frame (1), a driving roller (2), a driven roller (3), a brake disc (4) and an electromagnetic brake (5), wherein the frame (1) is of a cuboid plate frame structure formed by welding steel plates and steel sections, the driving roller (2) and the driven roller (3) are respectively arranged on the upper portion of the frame (1), the driving roller (2) and the driven roller (3) are parallel, the driven roller (3) is located at one end close to a new conveying belt roll, the driving roller (2) is located at one end of a conveying belt traction direction, a new conveying belt (27) penetrates between the driving roller (2) and the driven roller (3), the driving roller (2) is in contact with the upper surface of the new conveying belt (27), one end of a driving roller shaft (6) of the driving roller (2) extends out of the frame (1), the brake disc (4) is arranged on the driving roller shaft (6) extending out, the electromagnetic brake (5) is fixedly arranged on the frame (1) below the brake disc (4), and the electromagnetic brake (5) is matched and connected with the brake disc (4).

2. The conveyor belt traction damper capable of preventing conveyor belt slip of claim 1, wherein: the two sides of the front end of the upper part of the frame (1) are respectively provided with a driving roller bearing mounting hole (8), a driving roller bearing (9) is mounted in the driving roller bearing mounting hole (8), and two ends of the driving roller shaft (6) are respectively mounted in a matched manner with the driving roller bearing (9).

3. The conveyor belt traction damper capable of preventing conveyor belt slip of claim 1, wherein: the automatic rolling machine is characterized in that driven roller bearing seat mounting grooves (11) are formed in two side walls of the rear end of the upper portion of the frame (1) respectively, the driven roller bearing seat mounting grooves (11) are rectangular openings, strip-shaped protrusions (12) along the length direction of each rectangular opening are formed in the upper bottom surface and the lower bottom surface of each rectangular opening respectively, each driven roller bearing seat (10) is a rectangular plate, strip-shaped grooves (13) are formed in the upper end face and the lower end face of each rectangular plate of each driven roller bearing seat (10), the grooves (13) of the upper end face and the lower end face of each driven roller bearing seat (10) are matched with the protrusions (12) of the upper bottom surface and the lower bottom surface of each driven roller bearing seat mounting groove (11), the protrusions (12) are embedded in the grooves (13) and are in sliding fit, driven roller bearing mounting holes (15) are formed in the rectangular plate surfaces of the driven roller bearing seats (10) on the two sides of the frame (1), and the two ends of each driven roller shaft (7) are mounted in a matched mode with the driven roller bearing (14).

4. The conveyor belt traction damper capable of preventing conveyor belt slip of claim 1, wherein: the rear parts of the driven roller bearing seat mounting grooves (11) on two sides of the frame (1) are respectively provided with a tensioning block (16), the tensioning block (16) is a rectangular block, the width and the height of the tensioning block (16) are respectively matched with the width and the length of the rear end of the side wall of the frame (1), the upper end and the lower end of the tensioning block (16) are respectively provided with a through hole (17), the rear end faces of the corresponding side wall of the frame (1) are respectively provided with a screw hole (18), a fixing bolt (19) penetrates through the through holes (17) of the tensioning block (16) to fixedly connect the tensioning block (16) with the rear end of the side wall of the frame (1), the middle part of the tensioning block (16) is respectively provided with two tensioning screw holes (20), the tensioning bolt (21) is screwed into the tensioning screw holes (20), and the front ends of the tensioning bolts (21) are opposite to the rear end faces of the driven roller bearing seats (10) in the driven roller bearing seat mounting grooves (11).

5. The conveyor belt traction damper capable of preventing conveyor belt slip of claim 2, wherein: the two ends of the driving roller bearing (9) and the driven roller bearing (14) are respectively provided with an outer end cover (22) and an inner end cover (23), the outer end cover (22) is a disc, the inner end cover (23) is a circular ring, the circumferences of the outer end cover (22) and the inner end cover (23) are respectively provided with a fixing hole (24), the outer end cover (22) and the inner end cover (23) are fixedly connected on the circumferential frames (1) at two sides of the driving roller bearing (9) and the driven roller bearing (14) through the fixing holes (24) by bolts, and the inner walls of the outer end cover (22) and the inner end cover (23) are respectively provided with a positioning ring (25) opposite to two sides of the outer ring of the driving roller bearing (9) and the driven roller bearing (14).