阅读说明：本技术 一种可逆环型布料机的安装方法 (Installation method of reversible annular distributing machine ) 是由 马倩 于 2020-12-26 设计创作，主要内容包括：本发明公开了一种可逆环型布料机的安装方法,安装方法为,预安装集电器装置和回转支撑装置；安装钢轨；安装集电器装置和回转支撑装置；安装大车行走装置；安装机架；安装内环或外环环型立板,安装内环或外环销齿圈；安装销齿传动装置；安装皮带机上各部件；安装密封装置；调试,提高安装效率和安装质量,优化施工顺序。(The invention discloses an installation method of a reversible annular distributing machine, which comprises the steps of pre-installing a current collector device and a rotary supporting device; installing a steel rail; installing a current collector device and a rotary supporting device; mounting a cart traveling device; installing a frame; installing an inner ring or outer ring annular vertical plate and an inner ring or outer ring pin gear ring; installing a pin tooth transmission device; mounting all parts on the belt conveyor; installing a sealing device; debugging, improving installation efficiency and installation quality, optimizing construction sequence.)

1. A mounting method of a reversible annular distributing machine, the reversible annular distributing machine comprises a current collector device, a slewing bearing device, a steel rail, a cart walking device, a frame, a pin gear ring, a pin gear transmission device, a belt conveyor and a sealing device, and the mounting method comprises the following steps:

the method comprises the following steps: pre-installing a current collector device and a rotary supporting device;

step two, installing steel rails;

step three, mounting a current collector device and a rotary support device;

step four, mounting a cart traveling device;

step five, installing a frame;

sixthly, installing an inner ring or outer ring annular vertical plate and installing an inner ring or outer ring pin gear ring;

seventhly, mounting a pin tooth transmission device;

step eight, mounting all parts on the belt conveyor;

step nine, mounting a sealing device;

step ten: and (6) debugging.

2. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: the current collector device comprises a current collector, a current collector transmission shaft and a current collector base, and the rotary supporting device comprises a rotary supporting base plate, a rotary central support, a rotary bearing and a rotary supporting assembly;

the method comprises the following steps of:

A1) the method comprises the following steps Hoisting the current collector, the current collector transmission shaft and the current collector base into a central cylinder of a silo to be in place;

A2) the method comprises the following steps Checking whether a central column of the rotary support base plate is superposed with the center of the rotary bearing by using a sharp-weight wire hanging method by taking the inner side surface of the rotary bearing as a reference, if not, adjusting tail superposition, and if so, moving the central column of the rotary support base plate to the central position of a central column of the silo by using a simple jack;

A3) the method comprises the following steps At least four positioning points are uniformly formed on the rotary support base plate along the edge of the rotary central support;

A4) the method comprises the following steps Detaching a rotary support base plate from the rotary support device, and installing the rotary support base plate on a central cylinder of a silo to ensure that the central point of the rotary support base plate is superposed with the central point of the silo, and adjusting the flatness of a rotary central support base by using a sizing block, wherein the flatness error is not more than 0.5 mm;

A5) the method comprises the following steps Fastening the rotary center support and the foundation embedded bolt;

in the third step, the step of installing the current collector device and the rotary support device comprises the following steps:

B1) the method comprises the following steps Installing a slewing bearing assembly and fastening each bolt;

B2) the method comprises the following steps Moving the upper connecting plate, rotating the slewing bearing assembly for at least 3-5 circles, detecting whether the slewing bearing assembly is blocked, has abnormal sound and oil leakage, if so, reinstalling the slewing bearing assembly, and if not, installing the slewing bearing assembly normally;

B3) the method comprises the following steps Leveling and aligning the embedded part of the current collector base, and installing the current collector base, wherein the levelness of a steel plate on the current collector base is less than 1 mm;

B4) the method comprises the following steps Using a heavy hammer line to hang from the slewing bearing assembly to a steel plate on the current collector base, rotating the slewing bearing assembly, and observing whether the top of the heavy hammer is at the same position, if so, the center of the steel plate on the current collector base is on the center of the slewing bearing assembly, otherwise, readjusting the installation position of the current collector base;

B5) the method comprises the following steps Welding a current collector base with the embedded part;

B6) the method comprises the following steps Mounting a current collector on a base such that a center of the current collector coincides with a center of rotation;

B7) the method comprises the following steps Welding a fixed channel steel on the embedded part, and fixing a current collector transmission bearing seat by using bolts;

B8) the method comprises the following steps And (3) moving a slewing bearing assembly connecting plate by hand, detecting whether the slewing bearing assembly connecting plate rotates flexibly, detecting whether a carbon brush holder and a slip ring in the current collector have no abnormal sound, and welding a current collector transmission bearing seat if the slewing bearing assembly connecting plate rotates flexibly and has no abnormal sound.

3. The method of installing a reversible ring-type material distributor as claimed in claim 2, wherein: in the second step, the steel rail installation comprises the following steps:

C1) the method comprises the following steps The central column of the rotary supporting base plate is a central reference point for installing the distributing machine and the foundation, marking points of the central radius sizes of the plane track, the ring vertical plate and the pin column of the pin gear ring are marked, and each size is 3 points;

C2) the method comprises the following steps Marking a steel rail installation datum line on a steel rail base by taking the center of the rotary support assembly as a circle center, and placing the steel rail on the steel rail base along the datum line according to the identification sequence;

C3) the method comprises the following steps Connecting each steel rail well by using a connecting plate and a bolt, wherein the gap range of the steel rail interface is 2-4 mm, and the flatness of the plane of the joint is ensured;

C4) the method comprises the following steps Adjusting the roundness, radial runout and axial runout of the steel rail to an allowable range;

C5) the method comprises the following steps The inner side and the outer side of the steel rail are respectively provided with a group of fixing pieces correspondingly, and the steel rail is fixed by the steel rail fixing pieces.

4. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: in the fourth step, the installation of the cart walking device comprises the following steps:

D1) the method comprises the following steps The large wheel assembly is connected with the traveling device through bolts;

D2) the method comprises the following steps And supporting the combined cart travelling device on the steel rail by using angle steel according to the hoisting direction during the installation of the frame, wherein the central line of the cart wheel is superposed with the central line of the steel rail.

5. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: in the fifth step, the installation of the frame comprises the following steps:

E1) the method comprises the following steps Preparing a temporary frame support frame, a plurality of jacks and steel plates; the height of the supporting frame is 930mm, and the length of the supporting frame is 2500 mm; the number of the jacks is two, the thickness of the steel plate is less than 10mm, and the area of the steel plate is 300mm multiplied by 400 mm;

E2) the method comprises the following steps Hoisting the tail section rack in place, connecting one end of the tail section rack with the slewing bearing assembly by using a bolt, and placing the other end of the tail section rack on a support frame; a steel plate is laid on the support frame, and the levelness of the plane of the tail section rack is adjusted to be less than 1 mm;

E3) the method comprises the following steps Hoisting a head section rack in place, connecting the head section rack and the tail section rack by using bolts, simultaneously placing the other end of the head section on a cart walking device frame, adjusting the flatness of the head section rack to be not more than 1mm and straightness, adjusting the left side and the right side of the rack to be at the same horizontal height by using a level gauge through increasing and decreasing gaskets, and fastening bolts at the joint of the head section rack and the tail section rack;

E4) the method comprises the following steps Mounting a cart travelling device on a head rack, mounting cart travelling wheels on a rack travelling connecting piece, adjusting wheels to be tangent to an annular steel rail, and enabling the center of a wheel tread to be superposed with the center of the steel rail;

E5) the method comprises the following steps Connecting the walking connecting frame with the rack by using bolts, if a gap exists between the walking connecting frame of the rack and the rack, adding an adjusting sheet in the gap, and welding the reinforcing bracket with the rack;

E6) the method comprises the following steps Pushing the frame for 2-3 circles by a single person, and adjusting 2 large wheels on a tangent line of the steel rail; after adjustment, the wheel center is superposed with the steel rail center, and the large wheel has no radial sliding phenomenon and abnormal sound, and is normally installed.

6. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: sixthly, installing an inner ring or outer ring annular vertical plate and installing an outer ring pin gear ring;

F1) the method comprises the following steps Taking a central support and a rack as drawing gauges, marking the reserved dimension as a radius, setting the elevation of a plane track, and installing and checking the three plane tracks;

F2) the method comprises the following steps Scribing a circular track of the inner diameter or the outer diameter of the vertical plate on the pre-buried annular bottom plate, and welding the vertical plate on the annular bottom plate along the circular track;

F3) the method comprises the following steps Finding the plane elevation on the pin rack supporting plate by using a transparent water pipe, and marking high lines on the embedded parts respectively;

F4) the method comprises the following steps Checking the tolerance of the radius from the embedded part to the center of the silo, if the tolerance exceeds 20mm, adjusting the embedded part, if the tolerance does not exceed 20mm, spot-welding the pin tooth frame supporting plate on the embedded part, using a belt conveyor as a drawing gauge, and welding the supporting plate on the embedded part after the pitch radius of the central positioning hole of each section of pin shaft meets the requirements of an installation drawing; the welding position of the support plate simultaneously meets two conditions, namely, the elevation of the surface of the support plate is ensured, and the center of the support plate is positioned between two pin shafts below the pin gear rack and cannot interfere with the pin shafts;

F5) the method comprises the following steps The next section is gradually and sequentially installed;

F6) the method comprises the following steps Correcting the pitch circle radius of the pin gear rack again by using the rack;

F7) the method comprises the following steps After the pin toothed rack is corrected, the pin toothed rack supporting plate is firmly welded with the embedded part, the pin toothed plate and the like, and two adjacent sections of the lower bottom plate of the pin toothed plate are connected by the connecting plate.

7. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: the seventh step of installing the pin tooth transmission device comprises the following steps:

G1) adding lubricating oil to the gear motor;

G2) tightening the compression spring to the maximum, and integrally hoisting the compression spring at a mounting position in front of and below the position of the head surface-increasing roller;

G3) the method comprises the following steps Adjusting the transmission frame to ensure that a 5-6mm gap is formed between the root of the gear wheel and the top of the pin tooth, fastening the transmission frame, and loosening the compression spring limiting nut to a proper position;

G4) the method comprises the following steps Increasing the verticality and the levelness of a gasket adjusting gear at the connecting bolt;

G5) the method comprises the following steps The motor is rotated by hand to observe the meshing condition of the gear and each pin tooth.

8. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: and step eight, mounting each part on the belt conveyor, comprising the following steps:

H1) the method comprises the following steps Mounting a roller, and tensioning a base by adjusting an adjusting bolt of a transmission roller and a turnabout roller to keep the levelness of the roller and avoid the deviation of an adhesive tape;

H2) the method comprises the following steps When the guide chute is installed, a sealing strip or an asbestos packing with the thickness of about 3mm needs to be padded at the joint of the guide chute and the hopper so as to prevent powder from leaking outside;

H3) the method comprises the following steps The installation overhauls platform guardrail, installs according to the serial number in proper order from drive platform, and spot welding is earlier adjusted holistic straightness accuracy back, welds the jail again, and straight ladder door all inwards opens.

9. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: the step nine, the sealing device installation comprises the following steps:

J1) the method comprises the following steps Mounting a supporting wheel and a guide wheel of the sealing device frame;

J2) the method comprises the following steps Placing each section of sealing device frame on a walking track according to the sequence of marks, and connecting each section of sealing device frame through connecting plates at two ends;

J3) the method comprises the following steps Adjusting the guide wheel to a proper position, and adjusting the supporting wheel on a tangent line of a walking track of the supporting wheel;

J4) the method comprises the following steps Under the condition that the gear and the pin tooth are not meshed, if the sealing device frame is pushed up, the mounting of the sealing device frame is finished;

J5) the method comprises the following steps Paving rain-proof cover plates of the sealing device at a head funnel, a tail funnel and a vacant section funnel in sequence;

J6) the method comprises the following steps And (3) installing a pressing strip hook at the corresponding position of the pressing strip, inserting the pressing strip into the gap, adjusting the quick clamp screw to the position for pressing the cover plate, and hooking and locking the quick clamp screw.

10. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: step ten, debugging comprises belt conveyor commissioning and equipment rotation commissioning;

the belt conveyor test running method comprises the steps of setting continuous forward rotation or reverse rotation time of the small cloth ring to be not less than 4 hours, and judging whether the belt conveyor runs normally or not;

the equipment rotation test operation method is that the continuous test operation time is not less than 1 hour, and whether the equipment is normally operated is judged.

Technical Field

The invention belongs to the technical field of equipment maintenance, and particularly relates to an installation method of a reversible annular distributing machine.

Background

The silo top distributing machine is matched with a storage silo for use, is distributing equipment arranged between the top of a large silo and an incoming material belt conveyor, incoming materials enter the silo through the silo top distributing machine, the distributing machine realizes uniform double-ring feeding by changing the running direction according to the size of the diameter of the silo and the difference of the repose angle of loose materials, and can avoid the silo top belt conveyor from adopting other modes for single-point or multi-point direct feeding, thereby solving the defect of low utilization of the effective space of the silo and greatly increasing the utilization space of the silo.

The reversible ring-type material distributor on the top of the bin is composed of a fully-closed belt conveyor (or a scraper conveyor), an inverted tee joint, a ladder railing walking assembly, an outer ring sealing device, an inner ring sealing device, a walking wheel and driving device, a pin gear ring steel rail ring vertical plate device, a walking trolley device, an ash deposition bucket, a current collector transmission device, a rotary supporting device, an electrical switch detection system and the like.

The reversible ring-type distributing machine on the top of the silo has a plurality of parts and high installation precision requirements, the equipment assembly is easy to cause interference between the parts and the silo once the equipment assembly has deviation, and the installation specification and the acceptance standard of the equipment or similar equipment do not exist in China at present.

Disclosure of Invention

In view of this, the present invention aims to provide an installation method for a reversible ring-type material distributor, which can improve installation efficiency and quality and optimize construction sequence.

The specific scheme of the invention is as follows:

a mounting method of a reversible annular distributing machine, the reversible annular distributing machine comprises a current collector device, a slewing bearing device, a steel rail, a cart walking device, a frame, a pin gear ring, a pin gear transmission device, a belt conveyor and a sealing device, and the mounting method comprises the following steps:

the method comprises the following steps: pre-installing a current collector device and a rotary supporting device;

step two, installing steel rails;

step three, mounting a current collector device and a rotary support device;

step four, mounting a cart traveling device;

step five, installing a frame;

sixthly, installing an inner ring or outer ring annular vertical plate and installing an inner ring or outer ring pin gear ring;

seventhly, mounting a pin tooth transmission device;

step eight, mounting all parts on the belt conveyor;

step nine, mounting a sealing device;

step ten: and (6) debugging.

The current collector device comprises a current collector, a current collector transmission shaft and a current collector base, and the rotary supporting device comprises a rotary supporting base plate, a rotary central support, a rotary bearing and a rotary supporting assembly;

the method comprises the following steps of:

A1) the method comprises the following steps Hoisting the current collector, the current collector transmission shaft and the current collector base into a central cylinder of a silo to be in place;

A2) the method comprises the following steps Checking whether a central column of the rotary support base plate is superposed with the center of the rotary bearing by using a sharp-weight wire hanging method by taking the inner side surface of the rotary bearing as a reference, if not, adjusting tail superposition, and if so, moving the central column of the rotary support base plate to the central position of a central column of the silo by using a simple jack;

A3) the method comprises the following steps At least four positioning points are uniformly formed on the rotary support base plate along the edge of the rotary central support;

A4) the method comprises the following steps Detaching a rotary support base plate from the rotary support device, and installing the rotary support base plate on a central cylinder of a silo to ensure that the central point of the rotary support base plate is superposed with the central point of the silo, and adjusting the flatness of a rotary central support base by using a sizing block, wherein the flatness error is not more than 0.5 mm;

A5) the method comprises the following steps Fastening the rotary center support and the foundation embedded bolt;

in the third step, the step of installing the current collector device and the rotary support device comprises the following steps:

B1) the method comprises the following steps Installing a slewing bearing assembly and fastening each bolt;

B2) the method comprises the following steps Moving the upper connecting plate, rotating the slewing bearing assembly for at least 3-5 circles, detecting whether the slewing bearing assembly is blocked, has abnormal sound and oil leakage, if so, reinstalling the slewing bearing assembly, and if not, installing the slewing bearing assembly normally;

B3) the method comprises the following steps Leveling and aligning the embedded part of the current collector base, and installing the current collector base, wherein the levelness of a steel plate on the current collector base is less than 1 mm;

B4) the method comprises the following steps Using a heavy hammer line to hang from the slewing bearing assembly to a steel plate on the current collector base, rotating the slewing bearing assembly, and observing whether the top of the heavy hammer is at the same position, if so, the center of the steel plate on the current collector base is on the center of the slewing bearing assembly, otherwise, readjusting the installation position of the current collector base;

B5) the method comprises the following steps Welding a current collector base with the embedded part;

B6) the method comprises the following steps Mounting a current collector on a base such that a center of the current collector coincides with a center of rotation;

B7) the method comprises the following steps Welding a fixed channel steel on the embedded part, and fixing a current collector transmission bearing seat by using bolts;

B8) the method comprises the following steps And (3) moving a slewing bearing assembly connecting plate by hand, detecting whether the slewing bearing assembly connecting plate rotates flexibly, detecting whether a carbon brush holder and a slip ring in the current collector have no abnormal sound, and welding a current collector transmission bearing seat if the slewing bearing assembly connecting plate rotates flexibly and has no abnormal sound.

In the second step, the steel rail installation comprises the following steps:

C1) the method comprises the following steps The central column of the rotary supporting base plate is a central reference point for installing the distributing machine and the foundation, marking points of the central radius sizes of the plane track, the ring vertical plate and the pin column of the pin gear ring are marked, and each size is 3 points;

C2) the method comprises the following steps Marking a steel rail installation datum line on a steel rail base by taking the center of the rotary support assembly as a circle center, and placing the steel rail on the steel rail base along the datum line according to the identification sequence;

C3) the method comprises the following steps Connecting each steel rail well by using a connecting plate and a bolt, wherein the gap range of the steel rail interface is 2-4 mm, and the flatness of the plane of the joint is ensured;

C4) the method comprises the following steps Adjusting the roundness, radial runout and axial runout of the steel rail to an allowable range;

C5) the method comprises the following steps The inner side and the outer side of the steel rail are respectively provided with a group of fixing pieces correspondingly, and the steel rail is fixed by the steel rail fixing pieces.

In the fourth step, the installation of the cart walking device comprises the following steps:

D1) the method comprises the following steps The large wheel assembly is connected with the traveling device through bolts;

D2) the method comprises the following steps And supporting the combined cart travelling device on the steel rail by using angle steel according to the hoisting direction during the installation of the frame, wherein the central line of the cart wheel is superposed with the central line of the steel rail.

In the fifth step, the installation of the frame comprises the following steps:

E1) the method comprises the following steps Preparing a temporary frame support frame, a plurality of jacks and steel plates; the height of the supporting frame is 930mm, and the length of the supporting frame is 2500 mm; the number of the jacks is two, the thickness of the steel plate is less than 10mm, and the area of the steel plate is 300mm multiplied by 400 mm;

E2) the method comprises the following steps Hoisting the tail section rack in place, connecting one end of the tail section rack with the slewing bearing assembly by using a bolt, and placing the other end of the tail section rack on a support frame; a steel plate is laid on the support frame, and the levelness of the plane of the tail section rack is adjusted to be less than 1 mm;

E3) the method comprises the following steps Hoisting a head section rack in place, connecting the head section rack and the tail section rack by using bolts, simultaneously placing the other end of the head section on a cart walking device frame, adjusting the flatness of the head section rack to be not more than 1mm and straightness, adjusting the left side and the right side of the rack to be at the same horizontal height by using a level gauge through increasing and decreasing gaskets, and fastening bolts at the joint of the head section rack and the tail section rack;

E4) the method comprises the following steps Mounting a cart travelling device on a head rack, mounting cart travelling wheels on a rack travelling connecting piece, adjusting wheels to be tangent to an annular steel rail, and enabling the center of a wheel tread to be superposed with the center of the steel rail;

E5) the method comprises the following steps Connecting the walking connecting frame with the rack by using bolts, if a gap exists between the walking connecting frame of the rack and the rack, adding an adjusting sheet in the gap, and welding the reinforcing bracket with the rack;

E6) the method comprises the following steps Pushing the frame for 2-3 circles by a single person, and adjusting 2 large wheels on a tangent line of the steel rail; after adjustment, the wheel center is superposed with the steel rail center, and the large wheel has no radial sliding phenomenon and abnormal sound, and is normally installed.

Sixthly, installing an inner ring or outer ring annular vertical plate and installing an outer ring pin gear ring;

F1) the method comprises the following steps Taking a central support and a rack as drawing gauges, marking the reserved dimension as a radius, setting the elevation of a plane track, and installing and checking the three plane tracks;

F2) the method comprises the following steps Scribing a circular track of the inner diameter or the outer diameter of the vertical plate on the pre-buried annular bottom plate, and welding the vertical plate on the annular bottom plate along the circular track;

F3) the method comprises the following steps Finding the plane elevation on the pin rack supporting plate by using a transparent water pipe, and marking high lines on the embedded parts respectively;

F4) the method comprises the following steps Checking the tolerance of the radius from the embedded part to the center of the silo, if the tolerance exceeds 20mm, adjusting the embedded part, if the tolerance does not exceed 20mm, spot-welding the pin tooth frame supporting plate on the embedded part, using a belt conveyor as a drawing gauge, and welding the supporting plate on the embedded part after the pitch radius of the central positioning hole of each section of pin shaft meets the requirements of an installation drawing; the welding position of the support plate simultaneously meets two conditions, namely, the elevation of the surface of the support plate is ensured, and the center of the support plate is positioned between two pin shafts below the pin gear rack and cannot interfere with the pin shafts;

F5) the method comprises the following steps The next section is gradually and sequentially installed;

F6) the method comprises the following steps Correcting the pitch circle radius of the pin gear rack again by using the rack;

F7) the method comprises the following steps After the pin toothed rack is corrected, the pin toothed rack supporting plate is firmly welded with the embedded part, the pin toothed plate and the like, and two adjacent sections of the lower bottom plate of the pin toothed plate are connected by the connecting plate.

The seventh step of installing the pin tooth transmission device comprises the following steps:

G1) adding lubricating oil to the gear motor;

G2) tightening the compression spring to the maximum, and integrally hoisting the compression spring at a mounting position in front of and below the position of the head surface-increasing roller;

G3) the method comprises the following steps Adjusting the transmission frame to ensure that a 5-6mm gap is formed between the root of the gear wheel and the top of the pin tooth, fastening the transmission frame, and loosening the compression spring limiting nut to a proper position;

G4) the method comprises the following steps Increasing the verticality and the levelness of a gasket adjusting gear at the connecting bolt;

G5) the method comprises the following steps The motor is rotated by hand to observe the meshing condition of the gear and each pin tooth.

And step eight, mounting each part on the belt conveyor, comprising the following steps:

H1) the method comprises the following steps Mounting a roller, and tensioning a base by adjusting an adjusting bolt of a transmission roller and a turnabout roller to keep the levelness of the roller and avoid the deviation of an adhesive tape;

H2) the method comprises the following steps When the guide chute is installed, a sealing strip or an asbestos packing with the thickness of about 3mm needs to be padded at the joint of the guide chute and the hopper so as to prevent powder from leaking outside;

H3) the method comprises the following steps The installation overhauls platform guardrail, installs according to the serial number in proper order from drive platform, and spot welding is earlier adjusted holistic straightness accuracy back, welds the jail again, and straight ladder door all inwards opens.

The step nine, the sealing device installation comprises the following steps:

J1) the method comprises the following steps Mounting a supporting wheel and a guide wheel of the sealing device frame;

J2) the method comprises the following steps Placing each section of sealing device frame on a walking track according to the sequence of marks, and connecting each section of sealing device frame through connecting plates at two ends;

J3) the method comprises the following steps Adjusting the guide wheel to a proper position, and adjusting the supporting wheel on a tangent line of a walking track of the supporting wheel;

J4) the method comprises the following steps Under the condition that the gear and the pin tooth are not meshed, if the sealing device frame is pushed up, the mounting of the sealing device frame is finished;

J5) the method comprises the following steps Paving rain-proof cover plates of the sealing device at a head funnel, a tail funnel and a vacant section funnel in sequence;

J6) the method comprises the following steps And (3) installing a pressing strip hook at the corresponding position of the pressing strip, inserting the pressing strip into the gap, adjusting the quick clamp screw to the position for pressing the cover plate, and hooking and locking the quick clamp screw.

10. The method of installing a reversible ring-type material distributor as claimed in claim 1, wherein: step ten, debugging comprises belt conveyor commissioning and equipment rotation commissioning;

the belt conveyor test running method comprises the steps of setting continuous forward rotation or reverse rotation time of the small cloth ring to be not less than 4 hours, and judging whether the belt conveyor runs normally or not;

the equipment rotation test operation method is that the continuous test operation time is not less than 1 hour, and whether the equipment is normally operated is judged.

The invention discloses a mounting method of a reversible annular distributing machine, which can improve the mounting efficiency and the mounting quality and optimize the construction sequence.

Drawings

Fig. 1 is a schematic view of the overall arrangement of a reversible ring-type spreader.

Figure 2 is a cross-sectional view of the outer ring track.

Fig. 3 is an enlarged view of a in fig. 1.

Fig. 4 is an enlarged view at B in fig. 1.

Fig. 5 is an enlarged view at C in fig. 1.

Fig. 6 is an enlarged view at D in fig. 1.

Fig. 7 is a table of the mounting accuracy requirements of the rails of the distributing machine.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any inventive work are within the scope of the present invention.

As shown in fig. 1 to 6, an installation method of a reversible ring-type material distributor is provided, the ring-type material distributor is installed on a silo 11, the silo 11 is provided with an inner ring discharge chute 10 and an outer ring discharge chute 13, the ring-type material distributor is installed on the silo 11, the reversible ring-type material distributor comprises a current collector device 1, a slewing bearing device 2, a steel rail 3, a cart walking device 4, a frame 5, a pin gear ring 6, a pin gear transmission device 7, a belt conveyor 8 and a sealing device 9, the belt conveyor 8 can convey materials into the silo through the inner ring discharge chute 10 or the outer ring discharge chute 13 by positive rotation or reverse rotation, and the reversible ring-type material distributor is specifically installed as follows:

step one, pre-installing a current collector device and a rotary support device;

the collector device 1 comprises a collector 15, a collector transmission shaft 16 and a collector base 14, and the rotary support device 2 comprises a rotary support base plate 17, a rotary center bracket 18, a rotary bearing 19 and a rotary support assembly 20;

firstly, a current collector 15, a current collector transmission shaft 16 and a current collector base 14 are hoisted into an installation position to be in place, the installation position is the position in a silo central cylinder 12, then a slewing bearing base plate 17 is installed, before a slewing support base plate 17 is dismounted, a slewing center support 18 uses the inner side surface of a slewing bearing 19 as reference, a sharp-weight plumb line method is used for checking whether a central column of the slewing support base plate 17 is superposed with the center of the slewing bearing, and a simple jack is used for moving the central column to the central position; then 4 or more positioning points are uniformly formed on the rotary supporting base plate 17 along the edge of the rotary central bracket 18.

The rotary supporting base plate 17 is detached and installed on the silo central cylinder 12, the central column of the rotary supporting base plate 17 coincides with the central point of the central cylinder 12, the flatness of the central support base is adjusted through a sizing block, the flatness error is not larger than 0.5mm, the rotary central support 18 is fastened with the foundation embedded bolt, and after scribing is finished, the inner circle steel bars of the central support base are cut off.

Step two, installing steel rails

The central column of the rotary supporting base plate 17 is used as a central reference point for installing the distributing machine and the foundation, the steel rails are arranged in a marking mode, three plane rails 3, the annular vertical plate 21 and pin column central radius size marking points of the pin gear ring 6 are marked by red oil type pens in the embodiment, each size is marked by three points, and the point marking requirements are all on a radius line passing through the center of a circle, namely three radius lines are formed.

The center of the rotary support assembly 20 is used as a circle center, a steel rail installation datum line is marked on the basis of a steel rail as shown in fig. 7, the steel rail is arranged in an identification sequence, the steel rail is placed on the basis of the steel rail in the clockwise direction in the embodiment, each steel rail is connected well by a connecting plate and a bolt, a gap of 2-4 mm is guaranteed at a steel rail interface, if the gap of the last joint is larger than 5mm, a wear-resistant rubber plate is padded in the gap, such as an adhesive tape, the flatness of the plane of the joint is guaranteed, the roundness, the radial runout and the axial runout of the steel rail are adjusted to an allowable range, the steel rail is fixed by steel rail fixing pieces finally, a group of fixing pieces are arranged in the corresponding inner side and the outer side of the steel rail respectively, the matching relation.

Step three, mounting the slewing bearing assembly and the current collector

And installing the rotary support assembly 20 and fastening each bolt. Moving the upper connecting plate, rotating the rotary assembly at least for 3-5 circles, and observing: it should not have the phenomena of blocking, abnormal sound, leakage oil, etc.

Leveling and aligning the embedded parts of the current collector base 14, installing the current collector base 14, ensuring that the levelness of a steel plate on the current collector base 14 is less than 1mm, enabling the center of the steel plate to coincide with the center of the rotary assembly, adopting a weight line to droop from the rotary assembly, rotating the rotary assembly, and observing whether the top of a weight is at the same position. If so, the steel plate center is on the center of the circle of the rotating assembly and can be used as the center of the collector base 14, and then the collector base 14 is welded with the embedded part. The current collector 15 is mounted on the current collector base 14, so that the center of the current collector 15 coincides with the center of rotation.

The transmission shaft 16 of the current collector is fixed, firstly, a fixed channel steel is welded on an embedded part, then, a transmission bearing seat is fixed by bolts, the connecting plate of the rotary assembly is manually moved, the rotation is flexible, and the transmission bearing seat is welded after a carbon brush frame, a slip ring and the like in the current collector 15 have no abnormal sound.

Step four, mounting the cart walking device

The big wheel combination is connected with the big vehicle walking device 4 through bolts. According to the hoisting direction during the installation of the frame, the combined cart traveling gear 4 is supported on the steel rail 3 by angle steel, and the center line of the cart wheel is superposed with the center line of the steel rail 3.

Step five, installing the frame

Preparation before installation: the temporary rack is provided with one temporary rack support frame, the height of the temporary rack support frame is 930mm, the length of the temporary rack support frame is 2500mm, two jacks of 3 tons and a plurality of steel plates with the area of less than 10mm being 300mm multiplied by 400mm are prepared, such as the support frame, the jacks and the steel plates; if not prepared, four chain blocks can be used.

The rack 5 is installed in four steps:

firstly, the tail section frame is hoisted in place, and one end of the tail section frame is connected with the rotary support assembly 20 through bolts. The other end of the tail section is placed on a support frame, a steel plate is laid on the support frame, and the levelness of the plane of the tail section rack is adjusted, wherein the levelness is less than 1 mm; or the other end of the tail rack is hung well by two chain blocks, and the levelness of the plane of the rack is well adjusted, if the chain blocks are used, whether the fixed point can bear corresponding load or not is fully considered.

Secondly, hoisting the head section frame in place, connecting the tail two sections of frames by using bolts, meanwhile, placing the other end of the head section on a cart walking device frame, and adjusting the flatness of the head section frame to be not more than 1mm, the straightness and other geometrical dimensions. The left side and the right side of the frame 5 are adjusted to be at the same horizontal height by the gradienter through increasing and decreasing the gaskets. And fastening the joints of the head frame and the tail frame by bolts.

Mounting the connecting frame of the cart walking device on the head rack, mounting the cart walking wheel on the rack walking connecting piece, adjusting the wheels to be tangent to the annular steel rail 3, coinciding the center of the wheel tread with the center of the steel rail, connecting the walking connecting frame with the rack by using bolts, if the rack walking connecting frame has a gap with the rack, stacking the prepared adjusting sheet, and welding the reinforcing bracket with the rack.

Fourthly, after the whole rack is connected, a single person pushes 2-3 circles, and 2 large wheels are adjusted on the tangent line of the steel rail; after adjustment, the wheel center coincides with the center of the steel rail 3, and the large wheel has no radial sliding phenomenon (gnawing rail) and no abnormal sound.

Sixthly, installing an inner ring annular vertical plate, an outer ring annular vertical plate and a pin gear ring

A drawing gauge is composed of a central support, a rack and the like, a reserved size mark is a radius, the elevation of a plane track is found, and three plane tracks are installed and tested. Marking the inner diameter or the outer diameter of a circular track of the vertical plate on the pre-buried annular bottom plate, and welding the vertical plate on the annular bottom plate along the circular track; to reduce the distortion, staggered intermittent welds are required. The joints between the vertical plates are continuously welded on two sides, the welding seams of the guide wheels and the walking surface of the walking wheel are polished flat, and the welding seams are staggered with the seams of two adjacent bottom plates as much as possible.

The joints of the pre-embedded annular bottom plates need to be polished to be smooth.

Due to factors such as transportation and hoisting, the radius of the annular vertical plate 21 may not be consistent with a theoretical value, the flatness is not good, and the annular vertical plate is required to be corrected while being installed.

Finding the plane elevation on the pin rack supporting plate by using a transparent water pipe, and marking high lines on the embedded parts respectively; the pin tooth frame support plate 6 is firstly spot-welded on the embedded part, when the pin tooth frame is moved to the right position, a belt frame and the like are used for forming a drawing gauge, the pitch circle radius of the central positioning hole of each section of the pin shaft is in accordance with the requirements of an installation drawing, the pin tooth frame support plate 6 is simultaneously adjusted while being installed, then the pin tooth frame support plate 6 is welded on the embedded part, the welding position of the pin tooth frame support plate 6 simultaneously meets two conditions, firstly, the elevation of the surface of the pin tooth frame support plate 6 is ensured, secondly, the center of the pin tooth frame support plate 6 is arranged between two pin shafts below the pin tooth frame, and the pin tooth frame support plate cannot. Then the next section is installed step by step. And correcting the pitch circle radius of the pin gear rack again by using the rack.

After the pin toothed rack is corrected, the pin toothed rack supporting plate 6 is firmly welded with the embedded part, the pin toothed plate and the like, and two adjacent sections of the lower bottom plate of the pin toothed plate are connected by the connecting plate. The tolerances of the radii of the embedments to the silo center should be verified before installation and must be corrected for embedments with tolerances that differ by more than 20 mm. And (4) paying attention to the fact that the pin shaft needs to be ensured to be vertical, the installation precision of the pin gear ring is strictly controlled, and whether the side cart can not stably rotate or not is judged.

Seventhly, installing a pin tooth transmission device

Lubricating oil is added to the gear motor; the compression spring is tightened to the maximum extent and is integrally hoisted at the mounting position in front of and below the position of the head surface-increasing roller. The gear is positioned at a correct meshing position by adjusting the transmission frame, a gap of 5-6mm is reserved between the root of the gear and the top of the pin tooth, and after the transmission frame is fastened, the compression spring limiting nut is loosened to a proper position. The perpendicularity and the levelness of the gear can be adjusted by increasing the gaskets at the connecting bolts after the gear is installed. After the pin tooth transmission device is adjusted, the motor is rotated by hands, and the meshing condition of the gear and each pin tooth is observed.

Step eight, mounting all parts on the belt conveyor

When the roller is installed, the base is tensioned by adjusting the adjusting bolt of the transmission roller and the turnabout roller, so that the levelness of the roller is kept, and the deviation of the rubber belt is avoided. When the guide chute is installed, a sealing strip or an asbestos packing with the thickness of about 3mm needs to be padded at the joint of the guide chute and the hopper so as to prevent powder from leaking outside. Platform guardrail is overhauld in the installation, the platform guardrail contains straight climbing ladder door, installs according to the serial number in proper order from drive platform, and spot welding is earlier adjusted holistic straightness and straightness accuracy back (the mode of acting as go-between), welds the jail again, and straight climbing ladder door all inwards.

Step nine, installing a sealing device

When the device is installed, the supporting wheel 24 and the guide wheel 22 of the sealing device frame 23 are installed, the guide wheel 22 is in rolling connection with the annular vertical plate 21, then each section of the sealing device frame 23 is placed on the walking track according to the sequence of marks, each section of the sealing device frame 23 is connected through the connecting plates at two ends, the guide wheel 22 is adjusted to be in a proper position, and the supporting wheel 24 is adjusted on the tangent line of the walking track. After the installation is finished, about 4-8 persons can push up the sealing device frame, and under the condition that the gear and the pin tooth are not meshed at the moment, the installation of the sealing device frame 23 is basically finished; and then adjusting the guide wheel to a proper position.

The sealing device rainproof cover plate is sequentially and completely paved from the head funnel, the tail funnel and the dead-end funnel, a pressing strip hook is arranged at the corresponding position of the pressing strip, the pressing strip is inserted into the gap, and the quick clamp screw rod is adjusted to the position for pressing the cover plate and is hooked and locked.

Step ten: debugging

First, belt conveyor test run

Selecting a large cloth ring to rotate forwards or backwards or selecting a small cloth ring to rotate forwards or backwards during the trial operation of the belt conveyor, and suggesting to select the small cloth ring firstly; the large cloth ring is an annular material distribution channel for discharging materials from the top of the silo along the outer ring discharging groove 13, the small cloth ring guards the annular material distribution channel for discharging materials from the top of the silo along the inner ring discharging groove 10, and the tail tensioning device can be finely adjusted during trial running of the belt conveyor, so that the rubber belt of the belt conveyor is not deviated. The continuous run-in time should be no less than 4 hours.

The test result requires that: the running is stable, the deviation and the slip are avoided; the adhesive tape protection device operates accurately. The bearing and temperature rise are not more than 55 ℃, the highest temperature is not more than 80 ℃, and no leakage exists at each part; the sealing device has low operation noise and flexible reverse direction; the motor current is normal.

Second, the equipment rotation test run

The continuous run-up time should be no less than 1 hour. The test result requires that: the operation is stable, no jamming occurs and no noise occurs;

the temperature rise of bearings and gear motors of the large wheel and the small wheel is not more than 40 ℃, the highest temperature is not more than 80 ℃, and no leakage exists at each part; the reverse direction is flexible; the current of the gear motor is normal.

The method is used for installing the equipment, so that the installation time of the equipment is shortened, the purpose of saving the construction period is achieved, and the installation efficiency and the installation quality of the equipment are improved.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.