CN220765585U - Height-adjustable sand and stone conveyor - Google Patents

Abstract

The utility model provides a gravel conveyor of adjustable height, including conveying subassembly, fixed frame, lifting unit and tensioning assembly, shown conveying subassembly includes the conveyer belt, the drive roll, driven voller and motor, the drive roll is installed in fixed bolster one side, lifting unit includes lifting frame and hydraulic cylinder, be equipped with lifting rail on the fixed bolster, lifting frame slidable mounting is on lifting rail, the driven voller is installed in lifting frame, tensioning assembly includes the tensioning roller, the mounting plate and adjust the support, the fixed frame both sides are equipped with horizontal guide rail, be equipped with spacing pull rod and the through-hole that can freely pass through spacing pull rod on the adjusting support, slidable mounting plate on the adjusting support, the tensioning roller is installed on the mounting plate, the conveyer belt is around locating the drive roll, driven voller and tensioning roller outer disc, through setting up lifting unit and tensioning assembly, the transmission distance of conveyer does not change when adjusting conveyer's conveyer belt height, this gravel conveyor can be applicable to the scene of multiple height and carries the gravel.

Description

Height-adjustable sand and stone conveyor

Technical Field

The utility model relates to the technical field of sand production equipment, in particular to a sand conveyor with adjustable height.

Background

In the sand production processing and use process, such as screening, washing and storing of sand, sand is often conveyed by a conveyor belt type conveyor, but the conventional conveyor belt type conveyor is mostly fixed, for example, the utility model patent with the publication number of CN211711836U discloses a sand conveyor, the frame body of the sand conveyor is fixed in height, the conveying height is not adjustable, the applicable scene is single, in order to enable the sand conveyor to be applicable to different scenes, sand is conveyed to different heights, the sand conveyor with the adjustable height is required to be designed, the Chinese utility model patent with the publication number of CN212023815U discloses a sand conveyor, the inclination of the conveyor is adjusted by arranging a first conveyor, a second conveyor, a waist-shaped chute, a lifting plate, a multi-stage hydraulic cylinder and the like, so that the conveying height of the conveyor is adjusted, the rotating shaft of the conveyor is required to slide in the waist-shaped chute of a vertical side plate when the inclination of the conveyor is adjusted, the conveying distance is changed, and the conveying distance is reduced when the conveying height is lifted.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the utility model provides a height-adjustable sand and stone conveyor.

The utility model discloses the following technical scheme: the utility model provides a grit conveyer of adjustable height, includes conveying subassembly, fixed bolster, lifting unit and tensioning assembly, conveying subassembly includes conveyer belt, drive roll, driven voller and motor, the drive roll is installed in fixed bolster one side, the drive roll is connected to the motor, lifting unit includes lifting frame and hydraulic cylinder, fixed bolster is kept away from drive roll one side and is equipped with lifting rail, lifting frame slidable mounting is on lifting rail, hydraulic cylinder installs between fixed bolster and lifting frame, the driven voller is installed on lifting frame, tensioning assembly includes tensioning roll, mounting plate and regulation support, the fixed bolster both sides are equipped with horizontal guide rail, be equipped with a plurality of spacing holes on the horizontal guide rail, be equipped with the recess that matches with horizontal guide rail on the regulation support, but be equipped with spacing pull rod and the through-hole of free passage spacing pull rod on the regulation support, but the slidable mounting plate on the regulation support, but the tensioning roll is installed on lifting rail, the conveyer belt is around locating drive roll, mounting plate and tensioning roller external circle face, the mounting plate is equipped with the screw thread along the recess on the support, the screw thread is equipped with on the regulation support.

Further, the limit pull rod is a long rod, the limit pull rod can movably penetrate through the cylinder, the limit pull rod is provided with a limit post, the cylinder is fixed on the adjusting support, the cylinder wall of the cylinder is provided with a limit groove, the limit post can move in the limit groove, a spring is sleeved between the limit post of the limit pull rod and the cylinder, and the end part of the limit pull rod is also provided with a handle.

Further, the hydraulic cylinder is a multi-stage hydraulic cylinder with lockable length.

Furthermore, one end of the adjusting screw rod is provided with an adjusting hand wheel.

The beneficial effects are that: compared with the prior art, the height-adjustable sand and stone conveyor disclosed by the utility model has the advantages that the height of the conveying belt of the conveyor is adjusted by arranging the lifting assembly and the tensioning assembly, the transmission distance of the conveyor is not changed, and the sand and stone conveyor can be suitable for conveying sand and stones in scenes with various heights.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the present utility model after height adjustment;

in the figure: the device comprises a 1-conveying component, a 11-conveying belt, a 12-driving roller, a 13-driven roller, a 14-motor, a 2-fixed frame, a 21-lifting guide rail, a 22-horizontal guide rail, a 221-limiting hole, a 3-lifting component, a 31-lifting frame, a 32-hydraulic cylinder, a 4-tensioning component, a 41-tensioning roller, a 42-supporting plate, a 43-adjusting bracket, a 44-limiting pull rod, a 441-limiting column, a 442-handle, a 45-adjusting screw rod, a 46-cylinder, a 461-limiting groove and a 47-spring.

Detailed Description

As shown in fig. 1 to 3, the height-adjustable sand and stone conveyor comprises a conveying assembly 1, a fixed frame 2, a lifting assembly 3 and a tensioning assembly 4, wherein the conveying assembly 1 comprises a conveying belt 11, a driving roller 12, a driven roller 13 and a motor 14, the driving roller 12 is arranged on one side of the fixed frame, the motor 14 is connected with the driving roller 12, the lifting assembly 3 comprises a lifting frame 31 and a hydraulic cylinder 32, the lifting rail 21 is arranged on one side of the fixed frame far away from the driving roller 12, the lifting frame 31 is slidably arranged on the lifting rail 21, the hydraulic cylinder 32 is arranged between the fixed frame and the lifting frame, the driven roller 13 is arranged on the lifting frame 31, the tensioning assembly 4 comprises a tensioning roller 41, a support plate 42 and an adjusting support 43, horizontal rails 22 are arranged on two sides of the fixed frame 2, a plurality of limiting holes 221 are arranged on the horizontal rails 22, the adjusting bracket 43 is provided with a groove matched with the horizontal guide rail 22, the adjusting bracket 43 is provided with a limit pull rod 44 and a through hole capable of freely passing through the limit pull rod 44, the limit pull rod 44 can be inserted into the limit hole 221 through the through hole, the position of the adjusting bracket 43 on the horizontal guide rail 22 is fixed through the limit pull rod 44, the adjusting bracket 43 is slidably provided with a bracket plate 42, the tensioning roller 41 is arranged on the bracket plate 42, the conveyor belt 11 is wound on the outer circular surfaces of the driving roller 12, the driven roller 13 and the tensioning roller 41, the lifting frame 31 is enabled to move up and down in the lifting guide rail 21 through the expansion and contraction of the hydraulic cylinder 32, the height of the lifting frame 31 is adjusted, the inclination of the conveyor belt 11 is changed, the conveying height of the conveyor is changed, the bracket plate 42 is provided with a threaded through hole along the groove direction, the adjusting bracket 43 is also provided with an adjusting screw rod 45 matched with the threaded through hole on the bracket plate 42, and the position of the tensioning roller 41 can be finely adjusted through the adjusting screw rod 45 so as to ensure a better tensioning state of the conveyor belt 11.

The limiting pull rod 44 is a long rod and can movably penetrate through the cylinder 46, the limiting pull rod 44 is provided with a limiting column 441, the cylinder 46 is fixed on the adjusting bracket 43, the wall of the cylinder 46 is provided with a limiting groove 461, the limiting column 441 can move in the limiting groove 461, a spring 47 is sleeved between the limiting column 441 of the limiting pull rod 44 and the cylinder 46, and the end part of the limiting pull rod 44 is also provided with a handle 442; the hydraulic cylinder 32 is a multi-stage hydraulic cylinder with lockable length, so that the height adjustable range and stability are greatly improved; one end of the adjusting screw rod 45 is provided with an adjusting hand wheel, so that fine adjustment tensioning operation is facilitated.

When the transmission height of the conveyor needs to be adjusted, the limiting pull rod 44 on the adjusting bracket 43 is pulled out to separate from the limiting hole 221 on the horizontal guide rail 22, at the moment, the tensioning assembly 4 is in a free moving state, the hydraulic oil cylinder 32 is controlled to stretch and retract to adjust the height of the conveyor to a proper position, the length of the hydraulic oil cylinder 32 is locked, the position of the tensioning assembly 4 on the horizontal guide rail 22 is moved to the tensioning position of the conveyor belt 11, the limiting pull rod 44 is pushed back to the limiting hole 221 to fix the position of the tensioning assembly 4, then the adjusting hand wheel is rotated, the position of the tensioning roller 41 is finely adjusted through the adjusting screw 45 to enable the conveyor belt 11 to reach a better tensioning state, and the conveyor can be used for conveying sand and stone.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The utility model provides a grit conveyer of adjustable height, includes conveying subassembly (1), fixed frame (2), lifting unit (3) and tensioning assembly (4), its characterized in that: the conveying assembly (1) comprises a conveying belt (11), a driving roller (12), a driven roller (13) and a motor (14), wherein the driving roller (12) is arranged on one side of a fixed support, the motor (14) is connected with the driving roller (12), the lifting assembly (3) comprises a lifting frame (31) and a hydraulic cylinder (32), one side of the fixed support, far away from the driving roller (12), is provided with a lifting guide rail (21), the lifting frame (31) is slidably arranged on the lifting guide rail (21), the hydraulic cylinder (32) is arranged between the fixed support and the lifting support, the driven roller (13) is arranged on the lifting frame (31), the tensioning assembly (4) comprises a tensioning roller (41), a support plate (42) and an adjusting support (43), the two sides of the fixed frame (2) are provided with horizontal guide rails (22), a plurality of limiting holes (221) are formed in the horizontal guide rails (22), grooves matched with the horizontal guide rails (22) are formed in the adjusting support (43), a limiting pull rod (44) and a limiting through hole (44) can be freely inserted into the limiting holes (42) in the adjusting support (43), the tensioning roller (41) is arranged on the support plate (42), the conveyor belt (11) is wound on the outer circular surfaces of the driving roller (12), the driven roller (13) and the tensioning roller (41), the support plate (42) is provided with threaded through holes along the direction of the grooves, and the adjusting support (43) is also provided with an adjusting screw rod (45) matched with the threaded through holes on the support plate (42).

2. The height-adjustable sand conveyor of claim 1, wherein: the limiting pull rod (44) is a long rod, the limiting pull rod (44) movably penetrates through the cylinder (46), the limiting pull rod (44) is provided with a limiting column (441), the cylinder (46) is fixed on the adjusting support (43), the wall of the cylinder (46) is provided with a limiting groove (461), the limiting column (441) can move in the limiting groove (461), a spring (47) is sleeved between the limiting column (441) of the limiting pull rod (44) and the cylinder (46), and the end part of the limiting pull rod (44) is also provided with a handle (442).

3. The height-adjustable sand conveyor of claim 1, wherein: the hydraulic cylinder (32) is a multi-stage hydraulic cylinder with lockable length.

4. The height-adjustable sand conveyor of claim 1, wherein: one end of the adjusting screw rod (45) is provided with an adjusting hand wheel.