CN217837110U - Bottom starting mechanism of elevator - Google Patents

Abstract

The utility model discloses a lift conveyer bottom actuating mechanism, which comprises a housin, be provided with band pulley drive assembly in the casing upper end drive inslot, band pulley lift removal under the band pulley drive assembly drive, the pivot both ends of band pulley slide respectively down and set up in two vertical spouts, two vertical spout is located on the casing both sides baffle. The utility model has simple structure and process, rapid production, low cost, rapid market investment and stable steel frame structure; the belt wheel driving assembly is separated from the lifting channel of the hopper through the driving groove, so that material dust is prevented from entering gaps of precision parts of the belt wheel driving assembly, the abrasion of the precision parts is reduced, the maintenance cost is reduced, and the service life is prolonged; through setting up band pulley drive assembly for adjust the position of band pulley down, not only can play the safety guarantee effect of preventing the mistake and starting under the out-of-operation state, also can adjust the elasticity degree of belt simultaneously according to the tensile condition of belt.

Description

Bottom starting mechanism of elevator

Technical Field

The utility model relates to an elevator structure field, especially an elevator bottom actuating mechanism.

Background

Bucket elevator belongs to large-scale mechanical equipment, before the start-up, generally all need special operator to the inside each part inspection of equipment have or not abnormal, lubricating system refuels preliminary preparation work such as suitable amount, wait to detect and wait to have abnormal back, contact starting drive with the control room, and there is the safety problem that arouses because of the mistake starts at this in-process, consequently in order to solve the potential safety hazard that exists, further improve equipment's stability and operation effect, provide an elevator bottom actuating mechanism.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough that exists among the prior art, the utility model provides an elevator bottom starting mechanism, simple structure is stable, starts soon, and the security is high, is convenient for maintain the detection, and manufacturing cost and cost of maintenance all reduce to some extent.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a bottom starting mechanism of elevator, which comprises a housin, be provided with the band pulley drive assembly in the casing upper end drive inslot, band pulley lift removal under the band pulley drive assembly drive, the pivot both ends of band pulley slide respectively down and set up in two vertical chutes, two vertical chute is located on the casing both sides baffle.

Furthermore, the shell comprises two T-shaped side plates, two vertical edges of each T-shaped side plate are bent into right angles with the same width, the concave surfaces of the two T-shaped side plates are arranged oppositely, an upper sealing plate is welded on the bottom surface of the wide portion of the upper portion of each T-shaped side plate, the lower ends of the edges of two sides of the upper sealing plate are respectively fixedly provided with a half I-shaped steel, the two ends of each half I-shaped steel are respectively and fixedly connected to the T-shaped side plates at the two ends, and the two sides of the bottom end of each T-shaped side plate are respectively fixedly connected through a right angle steel.

Further, paste tightly in half I-steel below and right angle steel top all is provided with J-shaped mounting panel, two the crotch end of J-shaped mounting panel is close to the setting each other, paste tightly in two the both ends of J-shaped mounting panel are provided with two side mounting bars, two J-shaped mounting panel and two the side mounting bar is around forming the rectangle side port, two through bolt difference fixed mounting one on the rectangle side port the side shield.

Furthermore, the end surfaces of the wider parts of the upper parts of the T-shaped side plates are connected through vertical partition plates, the two T-shaped side plates and the two vertical partition plates respectively surround to form a hopper ascending channel and a hopper descending channel, and the two vertical partition plates and the upper sealing plate form the driving groove.

Further, the belt wheel driving assembly comprises a driving roller, two ends of the driving roller are respectively provided with a fixed-length driving wheel, one half of the outer ring surface of the fixed-length driving wheel is a gear surface, the other half of the outer ring surface of the fixed-length driving wheel is an arc surface, the gear surface is meshed with a rack, the arc surface is attached to a guide plate and is arranged in a relatively rolling mode, the end surface of the outer side of the guide plate is fixedly provided with a limiting strip, the limiting strip laterally supports the outer end surface of the fixed-length driving wheel, the rack and the guide plate are respectively and fixedly installed on two sides of the vertical partition plate through vertical installation plates, a driving pin is installed on the outer end surface of the fixed-length driving wheel through relative rotation of a support, the driving pin is vertically arranged, the driving pin is relatively screwed with the support through a nut, the lower end of the driving pin is fixedly connected with a push rod, the push rod is slidably arranged in a guide support, the guide support is fixedly installed on the edge of the upper sealing plate, the lower end of the push rod is connected with the end of a rotating shaft, and the rotating shaft is arranged relative to the push rod.

Further, the tip outer wall of pivot is provided with the annular groove, vertical chute inner wall corresponds and is provided with the spacing strip of direction, the spacing strip of direction pass through the bolt for vertical chute inner wall is fixed to be set up, the spacing strip card of direction is gone into in the annular groove.

Furthermore, the outer port of the vertical chute is provided with a heat dissipation plate with an n-shaped cross section, the outer end face of the heat dissipation plate is provided with grid holes, the heat dissipation plate is vertically arranged, the upper port and the lower port of the heat dissipation plate are respectively provided with a trapezoidal plate, the bottom surface of the trapezoidal plate at the lower end is supported and fixed through a reinforcing plate group, and the bottom surface of the reinforcing plate group is screwed, supported and fixed through a positioning screw.

Has the advantages that: the bottom starting mechanism of the elevator has simple structure and process, quick production and low cost, can be quickly put into the market, and has stable steel frame structure; the belt wheel driving assembly is separated from the lifting channel of the hopper through the driving groove, so that material dust is prevented from entering gaps of precision parts of the belt wheel driving assembly, the abrasion of the precision parts is reduced, the maintenance cost is reduced, and the service life is prolonged; through setting up band pulley drive assembly for adjust the position of band pulley down, not only can play the safety guarantee effect of preventing the mistake and starting under the out-of-operation state, also can adjust the elasticity degree of belt simultaneously according to the tensile condition of belt.

Drawings

FIG. 1 is an external structural view of a starting mechanism;

FIG. 2 is a cross-sectional view of the actuating mechanism;

FIG. 3 is a block diagram of the housing;

FIG. 4 is an enlarged sectional view of a portion of the housing;

FIG. 5 is a top view structural view and a partial enlarged view of the actuating mechanism;

FIG. 6 is a block diagram of a pulley drive assembly;

FIG. 7 is a drawing showing the relationship between the rotation shaft and the vertical chute;

fig. 8 is a structural view of a vertical chute.

Detailed Description

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

The bottom starting mechanism of the elevator as shown in fig. 1-8 comprises a shell 1, wherein a belt wheel driving assembly 3 is arranged in a driving groove 2 at the upper end of the shell 1, the belt wheel driving assembly 3 drives a lower belt wheel 4 to move up and down, two ends of a rotating shaft 5 of the lower belt wheel 4 are respectively arranged in two vertical sliding chutes 6 in a sliding manner, and the two vertical sliding chutes 6 are positioned on baffle plates 7 at two sides of the shell 1;

need carry out a series of troubleshooting before starting the lift, maintain and clean the work, in order to avoid the mistake to touch the safety problem that the switch arouses, set up this starting drive, make down the band pulley mention the one end distance, and then make the hopper belt lax, even if so start, it also can be because of skidding and can't drive the belt rotation to go up the band pulley, and then improve the security of lift conveyer equipment, after the preparation work in the past is accomplished, band pulley along vertical spout downstream down through band pulley drive assembly drive, and then make the belt tighten, after reaching the operation requirement, alright drive main shaft makes the lift conveyer work, moreover, the steam generator is simple in structure, start soon.

The shell 1 comprises two T-shaped side plates 8, two vertical edges of each T-shaped side plate 8 are bent into a right angle with the same width, concave surfaces of the two T-shaped side plates 8 are arranged oppositely, an upper sealing plate 9 is welded on the bottom surface of a wider part of the upper part of each T-shaped side plate 8, the lower ends of the edges of two sides of the upper sealing plate 9 are respectively and fixedly provided with a half I-steel 10, two ends of each half I-steel 10 are respectively and fixedly connected to the T-shaped side plates 8 at two ends, and two sides of the bottom end of each T-shaped side plate 8 are respectively fixedly connected through a right angle steel 11; the steel frame structure is simple in structure and process, fast in production, low in cost, capable of being put into the market fast and stable in steel frame structure.

J-shaped mounting plates 12 are arranged below the half I-shaped steel 10 and above the right-angle steel 11 in a closely-adhered mode, the hook ends of the two J-shaped mounting plates 12 are arranged close to each other, two side mounting strips 13 are arranged at two ends of the two J-shaped mounting plates 12 in a closely-adhered mode, the two J-shaped mounting plates 12 and the two side mounting strips 13 surround to form rectangular side ports, and one side baffle 7 is fixedly mounted on each of the two rectangular side ports through bolts;

through the mutual support of J-shaped mounting panel and side mounting bar, guarantee the stable in structure of rectangle side port, and then guarantee that the installation of side shield is stable to make down band pulley elevating movement's stability, avoid serious skew dislocation phenomenon, improve equipment's stability and security, through dismantling the side shield simultaneously, can follow the rectangle side port and maintain down the band pulley, be convenient for the investigation of trouble and the maintenance of band pulley is changed down.

The end surfaces of the wider parts of the upper parts of the T-shaped side plates 8 are connected through vertical partition plates 14, two T-shaped side plates 8 and two vertical partition plates 14 respectively surround to form a hopper ascending channel 15 and a hopper descending channel 16, and the two vertical partition plates 14 and the upper sealing plate 9 form the driving groove 2;

the driving groove formed by the vertical partition plate and the upper sealing plate separates the belt wheel driving assembly from the lifting channel of the hopper, prevents material dust from entering the gap of the precision part of the belt wheel driving assembly, reduces the abrasion of the precision part, reduces the maintenance cost and prolongs the service life.

The belt wheel driving assembly 3 comprises a driving roller 17, two ends of the driving roller 17 are respectively provided with a fixed length driving wheel 18, one half of the outer ring surface of the fixed length driving wheel 18 is a gear surface 18-1, the other half of the outer ring surface of the fixed length driving wheel 18 is an arc surface 18-2, the gear surface 18-1 is meshed with a rack 19, the arc surface 18-2 is attached to a guide plate 20 and arranged in a relative rolling manner, the outer side end surface of the guide plate 20 is fixedly provided with a limit strip 21, the limit strip 21 laterally supports the outer end surface of the fixed length driving wheel 18, the rack 19 and the guide plate 20 are respectively and fixedly arranged on the vertical partition plates 14 on two sides through vertical mounting plates 22, the outer end surface of the fixed length driving wheel 18 is relatively and rotatably provided with a driving pin 24 through a bracket 23, the driving pin 24 is vertically arranged, the driving pin 24 is relatively opposite to the bracket 23 through a nut, the lower end of the driving pin 24 is fixedly connected with a tightly screwed push rod 25, the push rod 25 is slidably arranged in the guide bracket 26, the guide bracket 26 is fixedly arranged on the edge of the upper sealing plate 9, the lower end of the push rod 25 is connected with the end of the rotating shaft 5;

the driving roller is driven by a power system to rotate, so that the sizing transmission wheels at two ends are driven to rotate, the whole sizing transmission wheel tends to move downwards through the matching of the arc surface and the guide plate, the driving pin on the outer end surface of the sizing transmission wheel drives the push rod to push or pull the lower belt wheel to move up and down, and the push rod is ensured to move up and down in the vertical direction through the guide support because the push rod is longer; and through gear face and rack toothing, can realize the scale and adjust, not only can play the safety guarantee effect of preventing the mistake and starting under the out-of-operation condition, also can adjust the elasticity degree of belt according to the tensile condition of belt simultaneously, satisfy utilization ratio and the life of belt under the safe condition, indirect reduction of cost.

An annular groove 27 is formed in the outer wall of the end portion of the rotating shaft 5, a guide limiting strip 28 is correspondingly arranged on the inner wall of the vertical sliding groove 6, the guide limiting strip 28 is fixedly arranged relative to the inner wall of the vertical sliding groove 6 through a bolt, and the guide limiting strip 28 is clamped in the annular groove 27;

through setting up spacing strip of direction and annular groove, firstly lead band pulley elevating movement down, can guarantee that the lift of band pulley is stable down, secondly carry on spacingly to band pulley pivot tip down, can guarantee that band pulley is stable in the operation in-process down, reduces axial swing.

A heat dissipation plate 29 with an n-shaped cross section is arranged at an outer port of the vertical chute 6, grid holes 30 are formed in the outer end face of the heat dissipation plate 29, the heat dissipation plate 29 is vertically arranged, a trapezoidal plate 31 is respectively arranged at the upper port and the lower port of the heat dissipation plate 29, the bottom surface of the trapezoidal plate 31 at the lower end is supported and fixed through a reinforcing plate group 32, and the bottom surface of the reinforcing plate group 32 is screwed, supported and fixed through a positioning screw 33;

through the heating panel that sets up n shape, provide sufficient heat dissipation space, guarantee band pulley job stabilization down, reduce the inside negative pressure of casing, further guarantee heating panel stable in structure through reinforcing plate group and location screw.

The above is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (7)

1. A bottom starting mechanism of an elevator is characterized in that: the belt wheel driving mechanism comprises a shell (1), wherein a belt wheel driving assembly (3) is arranged in a driving groove (2) in the upper end of the shell (1), a belt wheel (4) is driven by the belt wheel driving assembly (3) to move up and down, two ends of a rotating shaft (5) of the belt wheel (4) are arranged in two vertical sliding grooves (6) in a sliding mode respectively, and the vertical sliding grooves (6) are located on baffles (7) on two sides of the shell (1).

2. The elevator bottom activation mechanism of claim 1, wherein: casing (1) includes two T shape curb plates (8), two vertical edges of T shape curb plate (8) are bent into the right angle with same width, two the concave surface sets up relatively in T shape curb plate (8), shrouding (9) are gone up in the bottom surface welding of T shape curb plate (8) upper portion broad part, it respectively fixedly is provided with one half I-steel (10) to go up shrouding (9) both sides edge lower extreme, half I-steel (10) both ends respectively fixed connection in both ends on T shape curb plate (8), two the bottom both sides of T shape curb plate (8) are connected fixedly through a right angle steel (11) respectively.

3. A lift conveyor bottom-start mechanism as claimed in claim 2 wherein: paste tightly in half I-steel (10) below and right angle steel (11) top all is provided with J shape mounting panel (12), two the crotch end of J shape mounting panel (12) is close to the setting each other, pastes tightly in two the both ends of J shape mounting panel (12) are provided with two side-mounting strips (13), two J shape mounting panel (12) and two side-mounting strip (13) are around forming rectangle side port, two through bolt difference fixed mounting one on the rectangle side port side shield (7).

4. A lift conveyor bottom-start mechanism as claimed in claim 2 wherein: the end faces of the wider parts of the upper parts of the T-shaped side plates (8) are connected through vertical partition plates (14), the two T-shaped side plates (8) and the two vertical partition plates (14) respectively surround and form a hopper ascending channel (15) and a hopper descending channel (16), and the two vertical partition plates (14) and the upper sealing plate (9) form the driving groove (2).

5. A lift conveyor bottom-start mechanism as claimed in claim 4 wherein: the belt wheel driving assembly (3) comprises a driving roller (17), two ends of the driving roller (17) are respectively provided with a fixed length driving wheel (18), one half of the outer ring surface of the fixed length driving wheel (18) is a gear surface (18-1), the other half of the outer ring surface of the fixed length driving wheel is an arc surface (18-2), the gear surface (18-1) is meshed with a rack (19), the arc surface (18-2) is attached to a guide plate (20) and arranged in a relative rolling manner, the outer side end surface of the guide plate (20) is fixedly provided with a limiting strip (21), the limiting strip (21) laterally supports the outer end surface of the fixed length driving wheel (18), the rack (19) and the guide plate (20) are respectively and fixedly arranged on the vertical partition plates (14) at two sides through vertical mounting plates (22), the outer end surface of the fixed length driving wheel (18) is relatively rotatably provided with a driving pin (24) through a support (23), the driving pin (24) is vertically arranged, the driving pin (24) is relatively arranged with the support (23) through a nut, the lower end of the push rod (24) is fixedly connected with a push rod (25), the lower end of the push rod (25) is fixedly arranged in the support (25), and the guide shaft (9) is connected with the sealing plate (26), the rotating shaft (5) is rotatably arranged relative to the push rod (25).

6. A lift conveyor bottom-start mechanism as claimed in claim 5 wherein: the tip outer wall of pivot (5) is provided with annular groove (27), vertical spout (6) inner wall correspondence is provided with direction spacing (28), direction spacing (28) through the bolt for vertical spout (6) inner wall is fixed to be set up, direction spacing (28) card is gone into in annular groove (27).

7. A lift conveyor bottom-start mechanism as claimed in claim 6 wherein: the utility model discloses a heat dissipation plate, including vertical spout (6), reinforcing plate group (32) bottom surface is screwed fixedly through set screw (33), the outer port of vertical spout (6) is provided with heating panel (29) that the cross-section is n shape, the outer terminal surface of heating panel (29) is provided with net hole (30), heating panel (29) vertical setting, the port is provided with one trapezoidal plate (31) respectively about heating panel (29), the lower extreme trapezoidal plate (31) bottom surface supports fixedly through reinforcing plate group (32).

Images