CN112623628A

CN112623628A - Pipe rope conveyor

Info

Publication number: CN112623628A
Application number: CN202011422136.3A
Authority: CN
Inventors: 俞智登; 俞保文
Original assignee: Jiangsu Baodeng Equipment Co ltd; Yixing Baodeng Alloy Co ltd
Current assignee: Jiangsu Baodeng Equipment Co ltd; Yixing Baodeng Alloy Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-04-09

Abstract

A pipe rope conveyer relates to a powder and particle material conveying device, which comprises a driving wheel arranged in a driving closed type case and a driven wheel arranged in a driven closed type case, wherein the driving wheel is driven by a speed reducer outside the driving closed type case, a circle of steel wire rope is connected between the driving wheel and the driven wheel to form a closed annular rope, a plurality of scraping plates arranged at equal intervals are fixed on the steel wire rope, the driving closed type case is communicated with the driven closed type case through two hollow pipelines, the steel wire rope part is positioned in the hollow pipeline, a feeding cavity is formed between the adjacent scraping plates and the inner wall of the hollow pipeline, the hollow pipeline is formed by connecting a straight pipe and a bent pipe with a certain bending radius in a mode of a Haff joint hoop, a feeding hopper is arranged on one hollow pipeline in front of the driven closed type case, and a discharging hopper is arranged on the same hollow pipeline in front of the driving closed type case; the three-dimensional transportation in any directions such as horizontal and vertical directions can be realized simultaneously, and no accumulation dead angle exists in the whole transportation process of the powder.

Description

Pipe rope conveyor

Technical Field

The invention relates to powder and particle material conveying equipment, in particular to a pipe rope conveyor.

Background

The pipe rope type powder conveying device comprises a hollow pipeline, a steel wire rope for conveying is arranged in a pipe shell, a plurality of scraping plates are arranged on the steel wire rope, and materials and the scraping plates are conveyed into a continuous whole by means of the thrust of the moving scraping plates in a closed circular pipe-shaped trough. Because the conveying process is completely closed, the material dust is prevented from overflowing, and the method is fully applied to raw material conveying, intermediate transition product conveying and final product non-damage conveying in the industries of food, medicine, chemical engineering, pet feed and the like.

Chinese patent CN2012103750049 discloses a powder conveying device, and another Chinese patent CN2013107127193 discloses a rope type pipeline conveying device, which all realize the function of conveying powder in a pipe rope closed manner. However, the former is used for straight pipe type conveying, and can only finish raw material conveying in one plane, and the range is narrow; the conveying pipeline of the latter is formed by connecting a horizontal straight pipe and a vertical straight pipe so as to realize horizontal, vertical and three-dimensional conveying. The feeding ports and the discharging ports of the two devices are arranged on the box bodies of the driving wheel and the driven wheel, particularly, the driven wheel is arranged at the joint of the horizontal straight pipe and the vertical straight pipe, powder feeding and discharging pipelines need to pass through the box bodies of the driving wheel and the driven wheel, powder is easy to accumulate in the box bodies in the using process, dust accumulated at the corners of the box bodies is difficult to take out, and the powder can go moldy and deteriorate, so that hidden troubles are caused for transportation.

In the former "powder conveying device", the scraper is formed by butting a pair of semicircular scrapers and fixing the scrapers by screws, a cavity is arranged at the center of each scraper, a positioning block is arranged on the position, positioned in the cavity, of the steel wire rope, the positioning block is made of aluminum or magnesium and is directly pressed on the steel wire rope, a plurality of U-shaped grooves for accommodating the corresponding scrapers are respectively arranged on the driving wheel and the driven wheel, and baffles are respectively arranged on two axial side walls of the same U-shaped groove, although the design is that the arc length of the adjacent U-shaped grooves is equal to the distance between the adjacent scrapers on the steel wire rope, the driving wheel and the driven wheel still take the disc as the main part, the arranged U-shaped grooves are smaller relative to the disc of the driving wheel and the driven wheel, and the slotted holes are often incapable of accurately ensuring that the scrapers completely fall into, under the power of the motor, the scraper is easy to be directly abutted against the U-shaped groove to increase the abrasion.

In the latter type rope type pipeline conveying device, the connection between the transfer disc, namely the scraping blade, and the steel wire rope is complex and unstable, the driving rotating wheel and the driven rotating wheel adopt gear type and are four teeth, each tooth socket is in a right angle shape, and the transfer disc is also in surface-to-surface abutment with the tooth socket after entering the tooth socket, so that the problem of direct abrasion of the transfer disc cannot be solved.

Disclosure of Invention

The invention provides a three-dimensional pipe rope conveyor, which can simultaneously realize horizontal and vertical three-dimensional transportation and is not easy to store powder in a box body, and the bottom end of a spherical surface at the back of a scraping blade is abutted to spherical gears of a driving wheel and a driven wheel by improving the tooth socket shape of the scraping blade, the driving wheel and the driven wheel, so that a good stress surface is provided, discs are not directly contacted with the driving wheel and the driven wheel, and the abrasion to the discs of the scraping blade is reduced.

The technical scheme of the invention is as follows: the pipe rope conveyer includes driving wheel inside the driving closed casing and driven wheel inside the driven closed casing, the driving wheel is driven with the speed reducer outside the driving closed casing, the driving wheel and the driven wheel are connected via one steel cable to form one closed circular rope, the steel cable has fixed scrapers in equal interval, the driving closed casing and the driven closed casing are communicated via two hollow pipes, the steel wire rope part is positioned in the hollow pipeline, a feeding cavity is formed between the adjacent scraping plates and the inner wall of the hollow pipeline, it is characterized in that the hollow pipeline is formed by connecting a straight pipe and a bent pipe with a certain bending radius in a mode of a half joint hoop, the bending radius of the bent pipe is 600-1500mm, a hollow pipeline in front of the driven closed case is provided with a feeding hopper, and the same hollow pipeline in front of the driving closed case is provided with a discharging hopper. According to the invention, the feeding hopper and the discharging hopper are not arranged on the driving closed type case and the driven closed type case at two ends of the transmission line, the middle of the hollow pipeline is not provided with right-angle hard connection and any middle driven wheel, and no accumulation dead angle exists in the process of feeding powder to discharging powder. The bending radius of the bent pipe needs to be controlled, so that space is wasted greatly, the pulling force of a steel wire rope is increased if the bending radius is too small, abrasion to the plastic scraping sheet is increased, and the plastic scraping sheet is easy to break.

The hollow pipeline is a modular component, can be horizontally lapped according to transportation requirements, realizes rotary pipeline layout transportation in the same plane, can also be vertically lapped, realizes upper and lower pipeline layout transportation, and is particularly suitable for powder transportation with compact space and need of three-dimensional transportation.

The steel wire rope is pressed with the cylindrical fixed core with the flange edge, a section of unpressed cylinder is reserved between the flange edge and the pressing section, and the length of the pressing section on the cylinder is two thirds of the total length of the cylinder, so that the pulling strength of the fixed core on the steel wire rope is better ensured, the pressing area is prevented from being too close to the flange edge to generate separation, and the fixed core is tightly fixed with the steel wire rope into a whole.

The scraper is formed by butt joint of a pair of semicircular disks and connecting blocks at the rear ends of the semicircular disks, a cavity is arranged at the center of the scraper, a pressing section of a fixing core on a steel wire rope is arranged in the cavity of the disks of the scraper, a flange edge of the fixing core on the steel wire rope abuts against the inner wall of the tail end of the connecting block at the rear end of the scraper, and a screw penetrates through the butt joint connecting blocks to integrate the scraper, the steel wire rope and the fixing core into a whole. The arrangement and fixation mode ensures accurate positioning of the scraper on the steel wire rope, is not easy to slip, and keeps the distance between the scrapers constant.

The driving wheel and the driven wheel are gear type, and have 6-12 tooth sockets, and the tooth pitch is equal to the distance between adjacent scrapers plus 1 mm. The tooth's socket is big for the wheel, and this kind of cooperation design is favorable to the scraper blade smoothly to be screens in the tooth's socket.

The tooth spaces of the driving wheel and the driven wheel are designed to be spherical, the tail end face of the connecting block opposite to the disc of the scraper is also designed to be spherical, when the scraper enters the tooth spaces, the spherical surface of the rear end face of the connecting block of the scraper is in contact with the spherical surface of the tooth spaces under the action of power, rolling can be formed in the front, back, left and right directions, the friction coefficient is small, the disc of the scraper is not in direct contact with the tooth spaces, the clamping and pushing of the scraper between the driving wheel and the driven wheel can be guaranteed, the abrasion of the scraper is avoided, the service life of a product is prolonged, and sundries are not taken in the.

The steel wire rope is fixedly integrated at the joint by two scrapers in a butt joint mode, namely the steel wire rope is formed by butt joint of four semicircular discs II and connecting blocks II at the rear ends of the discs II, circular grooves are formed in the middles of the discs II of the butt joint surfaces of the two scrapers respectively, metal sheets are placed in the circular grooves respectively, a cavity for placing a flange edge of a steel wire rope fixing core is reserved in the center of each metal sheet, a pressing section of the fixing core is placed in the cavity of the connecting blocks II of the second scrapers, a bolt penetrates through the two scrapers II and the metal sheets to fixedly connect the two scrapers II and the two steel wire ropes into a whole, and the tail end surfaces of the connecting blocks. After the steel wire rope is subjected to traction force, the metal sheet and the flange edge of the fixed core are stressed, and the second disc of the second scraper is not stressed.

The invention discloses a driven closed type case, which is characterized in that tensioning mechanisms are symmetrically arranged at the upper part and the lower part of the driven closed type case, a driven wheel is positioned between the two tensioning mechanisms, each tensioning mechanism comprises a bracket fixed on the case surface of the driven closed type case and a screw rod in threaded connection with the bracket, one end of each screw rod extends out of the driven closed type case, a rotating hand wheel is arranged at the extending head part, the tail part of each screw rod is connected with a sliding block in the middle of the bracket, a sliding plate is arranged at the bottom or the top of the bracket, one end of each parallel spring is fixed on the sliding block, the other end of each parallel spring is fixed on the. When the steel wire rope is in an over-loose or over-tight state, the lead screw hand wheel can be adjusted to push the spring, the spring drives the sliding bottom plate at the bottom of the support, and the sliding bottom plate drives the driven wheel rotating shaft to move back and forth, so that the tightness of the steel wire rope is adjusted. During operation, the spring can contract along with the traction force, and a complete fastening state is avoided. The rope body can be naturally contracted in the running process, and the rope body is called as spring tensioning.

The upper surface and the lower surface of the driven closed type case are provided with observation windows for observing the tightness of the steel wire rope in real time.

The invention has the beneficial effects that:

1. the loading hopper and the discharge hopper are arranged on the same hollow pipeline, the middle of the hollow pipeline is not provided with right-angle hard connection and is not provided with any middle driven wheel, and the powder does not have accumulated dead angles in the whole conveying process.

2. The modular straight pipe and elbow pipe combination can design horizontal and up-and-down transmission routes on the same plane and different planes, and the applicability of the pipe rope conveyor is expanded.

3. The steel wire rope is matched with the fixed core and the scraper, so that the scraper is accurately positioned on the steel wire rope, is not easy to slip, and keeps the distance between the scrapers constant.

4. The tail end face of the connecting piece at the rear part of the scraper blade, the driving wheel and the tooth grooves of the driven wheel are designed to be spherical, so that the scraper blade is easy to be pushed at the position of the driving wheel and the driven wheel, the abrasion of the scraper blade is avoided, the service life of a product is prolonged, and the condition that sundries are not taken in the transportation process is ensured.

5. The structural design of the joint of the steel wire rope is simple and firm.

6. The tension mechanism arranged on the driven closed type case can effectively adjust the tightness of the steel wire rope.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection structure of the scraper, the steel wire rope and the fixing core thereof.

Fig. 3 is a schematic structural view of a steel wire rope connection.

Fig. 4 is a schematic structural view of the tensioning mechanism.

Detailed Description

The pipe rope conveyer comprises a driving wheel 11 arranged in a driving closed type case 1 and a driven wheel 21 arranged in a driven closed type case 2, wherein the driving wheel 11 is driven by a speed reducer 12 outside the driving closed type case 1, the driving wheel 11 and the driven wheel 21 are connected into a closed loop rope through a circle of steel wire rope 3, a plurality of scraping plates 4 arranged at equal intervals are fixed on the steel wire rope 3, the driving wheel 11 and the driven wheel 21 are gear type, 6-12 tooth sockets are formed, and the tooth pitch is equal to the distance between every two adjacent scraping plates 4 plus 1 mm.

The driving closed type case 1 is communicated with the driven closed type case 2 through two hollow pipelines 5, the steel wire rope 3 is partially positioned in the hollow pipelines 5, a material feeding cavity is formed between the adjacent scraping plates 4 and the inner wall of the hollow pipelines 5, the hollow pipelines 5 are modular components, each module is formed by connecting a straight pipe 51 and a bent pipe 52 with a certain bending radius in a mode of a hoop of a half joint 53, the bending radius of the bent pipe 52 is set to be 600 plus 1500mm according to design requirements, a feeding hopper 6 is arranged on one hollow pipeline 5 in front of the driven closed type case 2, and a discharging hopper 7 is arranged on the same hollow pipeline 5 in front of the driving closed type case 1.

The steel wire rope 3 is pressed with a cylindrical fixed core 31 with a flange 311, an unpressed cylinder is left between the flange 311 and the pressing section 312, and the length of the pressing section 312 is two thirds of the total length of the cylinder.

The scraper 4 is formed by butt joint of a pair of semicircular disks 41 and a connecting block 42 at the rear end of the semicircular disks 41, a cavity is arranged at the center of the scraper 4, a pressing section 312 of a fixing core 31 on the steel wire rope 3 is arranged in the cavity of the scraper disk 41, a flange edge 311 of the fixing core 31 on the steel wire rope 3 abuts against the inner wall of the rear end of the connecting block 42 at the rear end of the scraper 4, and a screw penetrates through the butt joint connecting block 42 to enable the scraper 4, the steel wire rope 3 and the fixing core 31 thereof to be solid.

The tooth grooves of the driving pulley 11 and the driven pulley 21 are designed to be spherical, and the rear end surface of the connecting block 42 opposite to the scraper disk 41 is also designed to be spherical.

The joint of the steel wire rope 3 is fixedly integrated by the butt joint of the two scrapers 8, namely, the steel wire rope is formed by the butt joint of four semicircular discs 81 and a connecting block 82 at the rear end of the semicircular discs 81, circular grooves are respectively formed in the middles of the discs 81 on the butt joint surfaces of the two scrapers 8, metal sheets 83 are respectively placed in the circular grooves, a cavity for placing the flange edge 311 of the fixing core 31 of the steel wire rope 3 is reserved in the center of each metal sheet 83, the pressing section 312 of the fixing core 31 is placed in the cavity of the connecting block 82 of the scraper 8, a bolt penetrates through the two scrapers 8 and the metal sheets 83 to fixedly connect the two scrapers 8 and the two steel wire ropes 3 into a whole, and the tail end surface of the connecting block 82 at the.

The upper and lower parts of the driven closed type case 2 are symmetrically provided with tensioning mechanisms 9, the driven wheel 21 is positioned between the two tensioning mechanisms 9, and the upper and lower surfaces of the driven closed type case 2 are provided with observation windows 10. The tensioning mechanism 9 comprises a bracket 91 fixed on the case surface of the driven closed case 2 and a screw rod 92 in threaded connection with the bracket, one end of the screw rod 92 extends out of the driven closed case 2, a rotating hand wheel 93 is arranged at the extending head part, the tail part of the screw rod 92 is connected with a sliding block 94 in the middle of the bracket, a sliding plate 95 is arranged at the bottom or the top of the bracket 91, one end of two parallel springs 96 is fixed on the sliding block 94, the other end of the two parallel springs is fixed on the sliding plate 95 through a connecting bracket 97, and two ends of a rotating shaft of the driven wheel 21 extend out and are respectively fixed on.

Claims

1. The pipe rope conveyer includes driving wheel inside the driving closed casing and driven wheel inside the driven closed casing, the driving wheel is driven with the speed reducer outside the driving closed casing, the driving wheel and the driven wheel are connected via one steel cable to form one closed circular rope, the steel cable has fixed scrapers in equal interval, the driving closed casing and the driven closed casing are communicated via two hollow pipes, the steel wire rope part is positioned in the hollow pipeline, a feeding cavity is formed between the adjacent scraping plates and the inner wall of the hollow pipeline, it is characterized in that the hollow pipeline is formed by connecting a straight pipe and a bent pipe with a certain bending radius in a mode of a half joint hoop, the bending radius of the bent pipe is 600-1500mm, a hollow pipeline in front of the driven closed case is provided with a feeding hopper, and the same hollow pipeline in front of the driving closed case is provided with a discharging hopper.

2. The conveyor of claim 1, wherein the hollow conduit is a modular assembly.

3. The pipe rope conveyor of claim 1, wherein the steel wire rope is pressed with a cylindrical fixed core having a flanged edge, and an unpressed cylinder is left between the flanged edge and the pressing section.

4. A pipe rope conveyor according to claim 3 wherein the length of the pressed section is two thirds of the total length of the cylinder.

5. The pipe rope conveyor according to claim 1, wherein the scraper is formed by butt-jointing a pair of semicircular disks and connecting blocks at the rear ends of the semicircular disks, a cavity is formed in the center of the scraper, the pressing section of the fixing core on the steel wire rope is arranged in the cavity of the disks of the scraper, the flange edge of the fixing core on the steel wire rope abuts against the inner wall of the tail end of the connecting block at the rear end of the scraper, and a screw penetrates through the butt-jointed connecting blocks to integrate the scraper, the steel wire rope and the fixing core into a whole.

6. The pipe rope conveyor of claim 1, wherein the driving wheel and the driven wheel are gear type, have 6-12 tooth sockets, and the pitch of teeth is equal to the pitch of adjacent scrapers plus 1 mm.

7. The pipe rope conveyor according to claim 6, wherein the tooth spaces of the driving pulley and the driven pulley are spherical, and the end surface of the connecting block opposite to the scraper disk is also spherical.

8. The pipe rope conveyor according to claim 1, wherein the joint of the steel wire rope is fixed into a whole by two scraper plates in a butt joint manner, namely the steel wire rope conveyor is formed by butt joint of four semicircular disc pieces and a connecting block piece at the rear end of the disc pieces, circular grooves are respectively formed in the middle of the disc pieces of the two scraper plate butt joint faces, metal sheets are respectively placed in the circular grooves, a cavity for placing a flange edge of a steel wire rope fixing core is reserved in the center of each metal sheet, a pressing section of the fixing core is placed in the cavity of the connecting block piece two of the scraper plates, a bolt penetrates through the two scraper plates and the metal sheets to fixedly connect the two scraper plates and the two steel wire ropes into a whole, and the tail end surface of the connecting block piece two at.

9. The pipe rope conveyor according to claim 1, wherein the upper and lower parts of the driven closed type case are symmetrically provided with tensioning mechanisms, the driven wheel is positioned between the two tensioning mechanisms, each tensioning mechanism comprises a bracket fixed on the case surface of the driven closed type case and a screw rod in threaded connection with the bracket, one end of each screw rod extends out of the driven closed type case, a rotating hand wheel is arranged at the extending head part, the tail part of each screw rod is connected with a sliding block in the middle of the bracket, the bottom or the top of each bracket is provided with a sliding plate, one end of each parallel spring is fixed on the corresponding sliding block, the other end of each parallel spring is fixed on the corresponding sliding plate through the corresponding bracket, and the two ends of the rotating shaft of.

10. The tubular rope conveyor as claimed in claim 9, wherein the upper and lower surfaces of the driven closed type casing are provided with observation windows.