CN108313622A - Novel enclosed pipeline chain conveyor - Google Patents

Abstract

The new closed pipe chain conveyor includes a drive box and a driven box, a material delivery pipeline is provided between the drive box and the driven box, a drive motor is installed in the drive box, and a drive sprocket is provided on the main shaft of the drive motor. There is a driven sprocket and a tension adjustment mechanism in the drive box, and a chain located in the conveying pipeline is connected between the driving sprocket and the driven sprocket, and several groups of scraper assemblies are arranged on the chain; in summary, this The invention has the advantages of novel structure, low manufacturing cost, stable operation of the conveying chain, good sealing performance of the conveying pipeline and the conveying box, and is suitable for material conveying operations in various fields.

Description

A New Type Closed Pipe Chain Conveyor

technical field

The invention relates to a pipe chain conveyor, in particular to a novel closed pipe chain conveyor.

Background technique

Pipe chain conveyors are widely used for the transportation of bulk materials. There are various problems in the pipe chain conveyors in the prior art, which need to be improved urgently. For example, the traditional pipe chain conveyors generally use ring chains for transportation, but the chains are easy to detach and break during the transportation process, and the service life Short and severely worn; secondly, the delivery pipeline is connected by multi-section pipelines, so it is difficult to ensure the sealing of the delivery pipeline, and materials will overflow from the connection gaps of the delivery pipeline.

Contents of the invention

In order to solve the deficiencies in the prior art, the present invention provides a new type of closed pipe chain conveyor that can run stably without chain dropping and unlinking, and has good sealing performance of the conveying pipeline.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: a new type closed pipe chain conveyor, including a driving box and a driven box, a material delivery pipeline is arranged between the driving box and the driven box, and a driving motor is arranged in the driving box , the main shaft of the driving motor is provided with a driving sprocket, and the driven box is provided with a driven sprocket and a tension adjustment mechanism. There are several sets of scraper assemblies.

The chain is made up of several chain links connected end to end. The chain link includes a connecting plate, one side of the connecting plate is fixed with a C-shaped connecting ear, and the connecting plate and the two side plates of the connecting ear are provided with pin holes; the connection of the chain link The plates are inserted into the connecting ears of adjacent chain links and connected by pin shafts inserted in the pin holes.

The scraper assembly includes a scraper ring and a scraper set side by side. The scraper ring includes a scraper ring. The direction of the center line of the scraper ring is the same as the conveying direction of the chain. Between the lower side and the connecting plate, there is a first reinforcing rod arranged obliquely; the scraper part includes a disc-shaped scraper, the direction of the center line of the scraper is the same as the conveying direction of the chain, and the upper side of the scraper is fixed on On the connecting ear, there is a second reinforcement rod arranged obliquely between the lower side of the scraper and the connecting plate; the outer diameter of the scraper ring and the scraper are equal and smaller than the inner diameter of the feeding pipeline.

The conveying pipeline is composed of a number of joint pipes connected end to end, and the two ends of the joint pipes are fixed with connecting flanges along the circumferential direction, and each connecting flange is evenly opened with a number of installation holes along the circumferential direction, and the connection method of one end of the joint pipes is An inner sealing positioning ring is fixed on the flange along the circumferential direction, and an outer sealing positioning ring is fixed on the connecting flange at the other end of the joint pipe along the circumferential direction. The outer diameter of the inner sealing positioning ring is equal to the inner diameter of the outer sealing positioning ring;

The connecting flanges of two adjacent section pipes are butted and connected by bolts pierced in the installation holes, and the inner sealing positioning ring of the section pipe is located in the outer sealing positioning ring of the adjacent section pipes.

Taking the side where the chain enters the driven box as the right side, the tension adjustment mechanism includes an adjusting screw and a rotating shaft. The front inner wall and the rear inner wall of the driven box are correspondingly provided with slideways arranged along the left and right horizontal directions. There is a bearing seat on the track, the bearing seat is slidingly matched with the slideway, the two bearing seats are connected by a connecting frame, the two ends of the rotating shaft are rotationally connected to the two bearing seats through sliding bearings, and the center line of the rotating shaft is set along the front and rear horizontal directions , the driven sprocket is assembled on the rotating shaft; the left inner wall of the driven box is fixed with a bushing, the center line of the bushing is set along the left and right horizontal directions, and there are perforations on the left box wall of the driven box, and the driven box A fixing nut is fixed on the left side of the box wall, and the centerlines of the fixing nut, the perforation and the bushing overlap, and the right end of the adjusting screw rod passes through the fixing nut, the perforating hole and the bushing in turn, and then is connected to the connecting frame. The right end is provided with a rotating structure, and through the rotating structure and the connecting frame, the adjusting screw is threadedly connected with the fixing nut. The part is a polished rod structure; the adjusting screw is screwed with a fastening nut on the left side of the fixed nut.

The casing is filled with asbestos packing.

The rotating structure is a connecting column, which is a stepped structure. The left side of the connecting frame is provided with a T-shaped connecting groove along the front and rear directions. The connecting column is inserted in the connecting groove. The connecting groove of the connecting frame forms a rotational fit.

By adopting the above-mentioned technical scheme, the present invention has the following beneficial effects: when carrying out material transportation, the driving motor drives the driving sprocket, and the driving sprocket rotates to drive the driven sprocket to rotate, so that the chain drives, and the scraper assembly scrapes the material along the The delivery pipeline is used for transportation; the delivery pipeline of the present invention is formed by connecting end to end of several section pipes, wherein the adjacent structures are connected with the inner seal locating ring through the outer seal locating ring, and the connection mode between the outer seal locating ring and the inner seal locating ring mouth structure, the seam structure can ensure the sealing and neutrality of material conveying, in case the material overflows during the conveying process; secondly, the chain link of the present invention is different from the chain link of the traditional pipe chain conveyor, and the chain link of the present invention The chain links run smoothly and are in good stress condition, so that there will be no phenomenon of detachment and chain drop, and its service life is greatly improved; the scraper assembly of the present invention adopts the form of a combination of scraper and scraper ring, which greatly reduces the overall The cost of the device, the first reinforcing rod is set between the lower side of the scraper ring and the connecting plate, the second reinforcing rod is set between the lower side of the scraper and the connecting plate, the first reinforcing rod and the second reinforcing rod are respectively It is used to strengthen the connection strength between the scraper ring and the scraper on the chain link, and improve the firmness of the scraper assembly; in addition, the tension adjustment mechanism of the present invention can tension the chain. The specific operation is: rotate the adjustment screw, Since the fixing nut is threadedly connected with the adjusting screw, and the fixing nut is fixed on the driven box, the adjusting screw will move in the axial direction when rotating, so that the adjusting screw pulls the connecting frame during the moving process, and the connecting frame drives two The bearing seat moves along the two slideways, the rotating shaft moves with the bearing seat, and finally the driven sprocket starts to move, until the driven sprocket moves to a suitable distance, stop rotating the adjusting screw, and then turn the fastening nut to make it fixed The nut is press-fitted, and the adjustment of the chain tension is completed so far; in order to prevent the material in the driven box from overflowing from the perforation and entering the threaded connection between the adjustment screw and the fixed nut, the tension adjustment mechanism of the present invention A casing is set in the driven box, and the adjusting screw passes through the casing, and the inside of the casing is sealed with asbestos packing, so as to ensure the overall sealing of the driven box, and the material will not overflow and enter the gap between the adjusting screw and the fixed nut. The threaded connection affects the degree of bite between the two, and the fastening nut plays a role of compression to prevent the adjustment screw from moving due to force during the material conveying process.

To sum up, the present invention has a novel structure, low manufacturing cost, stable operation of the conveying chain, good sealing performance of the conveying pipeline and the conveying box, and is suitable for material conveying operations in various fields.

Description of drawings

Fig. 1 is the structural representation of driven case among the present invention;

Fig. 2 is the installation schematic diagram of driven sprocket;

Fig. 3 is the connection schematic diagram of the section pipe of conveying pipeline;

Fig. 4 is the schematic diagram that scraper assembly is installed on the chain;

Figure 5 is a schematic diagram of the installation of the scraper ring;

Fig. 6 is a schematic diagram of the connection of chain links.

Detailed ways

As shown in Figures 1-6, the novel closed pipe chain conveyor of the present invention includes a driving box and a driven box 1, a material delivery pipeline is arranged between the driving box and the driven box 1, and a driving motor is arranged in the driving box , the main shaft of the driving motor is provided with a driving sprocket, the driven box 1 is provided with a driven sprocket 2 and a tension adjustment mechanism, and a chain located in the conveying pipeline is connected between the driving sprocket and the driven sprocket 2, Several sets of scraper assemblies are arranged on the chain.

The chain is formed by connecting several chain links 3 end to end. The chain links 3 include a connecting plate 4, and one side of the connecting plate 4 is fixed with a C-shaped connecting ear 5. Both side plates of the connecting plate 4 and the connecting ear 5 are provided with Pin hole: The connecting plate 4 of the chain link 3 is inserted in the connecting ear 5 of the adjacent chain link 3 and connected by the pin shaft 6 inserted in the pin hole.

The scraper assembly includes scraper ring parts and scraper parts arranged side by side. The scraper ring parts include a scraper ring 7 whose centerline direction is the same as the conveying direction of the chain. The upper side of the scraper ring 7 is fixed on the connecting ear 5 , between the lower side of the scraper ring 7 and the connecting plate 4, there is a first reinforcing bar 8 arranged obliquely; the scraper part includes a disc-shaped scraper 9, and the direction of the center line of the scraper 9 is the same as the conveying direction of the chain , the upper side of the scraper 9 is fixed on the connecting ear 5, and the second reinforcing bar 10 is connected with an oblique setting between the lower side of the scraper 9 and the connecting plate 4; the outer diameter of the scraper ring 7, the The outer diameters are equal and smaller than the inner diameter of the feed pipeline.

The conveying pipeline is formed by connecting several joint pipes 11 end to end, wherein both ends of the joint pipes 11 are fixed with connecting flanges 12 along the circumferential direction, and each connecting flange 12 is evenly opened with a number of installation holes 13 along the circumferential direction, among which The connecting flange 12 at one end of the pipe 11 is fixed with an inner sealing positioning ring 14 along the circumferential direction, and the connecting flange 12 at the other end of the joint pipe 11 is fixed with an outer sealing positioning ring 15 along the circumferential direction. The diameter is equal to the inner diameter of the outer seal positioning ring 15;

The connecting flanges 12 of two adjacent joint pipes 11 are butted and connected by bolts pierced in the installation holes 13 , and the inner sealing positioning ring 14 of the joint joint pipe 11 is located in the outer sealing positioning ring 15 of the adjacent joint pipe 11 .

Taking the side where the chain enters the driven box 1 as the right side, the tension adjustment mechanism includes an adjusting screw 16 and a rotating shaft 17, and the front inner wall and the rear inner wall of the driven box 1 are correspondingly provided with slideways arranged along the left and right horizontal directions 18, each slideway 18 is provided with a bearing seat 19, the bearing seat 19 is slidingly fitted with the slideway 18, and the two bearing seats 19 are connected by a connecting frame 20, and the two ends of the rotating shaft 17 are rotationally connected on the two sides by sliding bearings 21. On a bearing seat 19 and the center line of the rotating shaft 17 is arranged along the front and rear horizontal direction, the driven sprocket 2 is assembled on the rotating shaft 17; The left and right horizontal directions are arranged, and the left box wall of the driven box 1 is provided with a perforation, and the fixed nut 23 is fixed on the left box wall of the driven box 1. The right end of screw mandrel 16 passes through fixed nut 23, perforation and sleeve pipe 22 successively and is connected on the connecting frame 20, and wherein the right end of adjusting screw mandrel 16 is provided with rotating structure and rotates and cooperates with connecting frame 20 by rotating structure, adjusts screw mandrel 16 is threadedly connected with the fixed nut 23, and the right end of the casing 22 is fixedly connected with a sealing ring plate 24 sleeved outside the adjusting screw rod 16 through bolts, and the right part of the adjusting screw rod 16 is a polished rod structure; There is a fastening nut 25 on the left side of the fastening nut 23 . The casing 22 is filled with asbestos packing.

The rotating structure is a connecting column 26, which is a stepped structure. The left side of the connecting frame 20 is provided with a T-shaped connecting groove along the front and rear direction, and the connecting column 26 is inserted in the connecting groove. The part forms a rotation fit with the connecting groove of the connecting frame 20 through the connecting column 26 .

When the present invention is conveying materials, the drive motor drives the driving sprocket, and the driving sprocket rotates to drive the driven sprocket 2 to rotate, so that the chain is driven, and the scraper assembly scrapes the material to be transported along the conveying pipeline; the conveying pipeline of the present invention consists of several Sectional tubes 11 are connected end to end, and the adjacent structures are connected with the inner seal positioning ring 14 through the outer seal positioning ring 15, and the connection mode of the outer seal positioning ring 15 and the inner seal positioning ring 14 is a slit structure, and the spigot The structure can ensure the tightness and centering of material conveying, so as to prevent the material from overflowing during the conveying process; secondly, the chain link 3 of the present invention is different from the chain link of the traditional pipe chain conveyor, and the chain link 3 of the present invention runs smoothly , the stress is in good condition, so that there will be no unchaining or chain dropping, and its service life is greatly improved; the scraper assembly of the present invention adopts the combination of scraper 9 and scraper ring 7, which greatly reduces the cost of the overall device. cost; in addition, the tension adjustment mechanism of the present invention can tension the chain, the specific operation is: rotate the adjustment screw 16, because the fixing nut 23 is threadedly connected with the adjustment screw 16, the fixing nut 23 is fixed on the driven box 1 , so the adjusting screw 16 will move in the axial direction when rotating, so that the adjusting screw 16 will pull the connecting frame 20 during the moving process, and the connecting frame 20 will drive the two bearing seats 19 to move along the two slideways 18, and the rotating shaft 17 will follow The bearing seat 19 moves, and finally the driven sprocket 2 begins to move until the driven sprocket 2 moves to an appropriate distance, then stops rotating the adjusting screw 16, and then turns the fastening nut 25 to make it press fit with the fixed nut 23, So far, the chain tension adjustment is completed; in order to prevent the material in the driven box 1 from overflowing from the perforation, and enter the threaded joint between the adjustment screw 16 and the fixed nut 23, the tension adjustment mechanism of the present invention starts from A bushing 22 is set inside the driving box 1, and the adjusting screw rod 16 passes through the bushing 22. The inside of the bushing 22 is sealed with asbestos packing, so as to ensure the overall tightness of the driven box 1, and the material will not overflow and enter the adjusting wire. The threaded connection between the rod 16 and the fixing nut 23 affects the occlusal degree of the two, and the fixing nut 25 acts as a compression to prevent the adjustment screw 16 from moving due to force during the material conveying process.

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the present invention. All simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the protection of the technical solution of the present invention. scope.

Claims (7)

1. novel enclosed pipeline chain conveyor, it is characterised in that：Including driving box and driven headstock, set between driving box and driven headstock There is feeding pipe, driving motor is equipped in driving box, the main shaft of driving motor is equipped with drive sprocket, is equipped in driven headstock driven Sprocket wheel and tensioning regulating mechanism, are connected with the chain in conveyance conduit, are set on chain between drive sprocket and driven sprocket There is several groups scraper component.

2. novel enclosed pipeline chain conveyor according to claim 1, it is characterised in that：Chain is by several chain link head and the tail phases Company forms, and chain link includes connecting plate, and the side of connecting plate is fixed with two sides of the engaging lug of c-type, connecting plate and engaging lug Pin hole is offered on plate；The connecting plate of chain link is plugged in the engaging lug of adjacent link and the axis pin by being plugged in pin hole Connection.

3. novel enclosed pipeline chain conveyor according to claim 2, it is characterised in that：Scraper component includes being arranged side by side Scrape and ring and scrape plate, it includes scraping ring to scrape ring, and the centerline direction of scraping ring is identical as the conveying direction of chain, scraping ring it is upper Side is fixed on engaging lug, and the first bracing piece being obliquely installed is connected between the following side and connecting plate of scraping ring；Scrape plate Including discoidal scraper plate, the centerline direction of scraper plate is identical as the conveying direction of chain, and the upper lateral part of scraper plate is fixed on connection On ear, the second bracing piece being obliquely installed is connected between the following side and connecting plate of scraper plate；The outer diameter of scraping ring, the outer diameter of scraper plate Equal and respectively less than feeding pipe internal diameter.

4. novel enclosed pipeline chain conveyor according to claim 1, it is characterised in that：Conveyance conduit is by several section pipes head Tail, which is connected, to be formed, wherein the both ends of section pipe are along the circumferential direction fixed with connecting flange, on each connecting flange along the circumferential direction Several mounting holes are uniformly provided with, wherein being along the circumferential direction fixed with interior sealing locating ring on the connecting flange of section pipe one end, are saved External seal locating ring is along the circumferential direction fixed on the connecting flange of the other end of pipe, the outer diameter of interior sealing locating ring is equal to outer close Seal the internal diameter of locating ring；

The interior sealing that the connecting flange docking and the connection of the bolt by being threaded through in mounting hole of two adjacent section pipes save pipe is fixed Position ring is located in the external seal locating ring of adjacent segments pipe.

5. novel enclosed pipeline chain conveyor according to claim 1, it is characterised in that：Enter driven headstock with chain one Side is right side, and tensioning regulating mechanism includes adjusting lead screw and shaft, and front inner wall and rear side the inner wall correspondence of driven headstock offer Along the slideway of left and right horizontal direction setting, every slideway is equipped with bearing block, and bearing block is slidably matched with slideway, two bearing blocks Between connected by link, the both ends of shaft are rotatably connected on two bearing blocks by sliding bearing and the center line of shaft It is arranged along anterior-posterior horizontal direction, driven sprocket is assemblied in shaft；The inner left wall of driven headstock is fixed with casing, in casing Heart line is arranged along left and right horizontal direction, offers perforation on the left side tank wall of driven headstock, is fixed on the left side tank wall of driven headstock The center line of fixing nut, fixing nut, perforation and casing overlaps, and the right end for adjusting lead screw sequentially passes through fixing nut, wears Be connected on link after hole and casing, wherein adjust lead screw right end be equipped with rotational structure and by rotational structure with connect Frame is rotatably assorted, and adjusts lead screw and is threadedly coupled with fixing nut, the right end of casing, which has been bolted to connection, is set in adjusting Sealing ring flat-plate outside lead screw, the right part for adjusting lead screw are polished rod structure；It adjusts and is threaded with positioned at fixing nut on lead screw The fastening nut in left side.

6. novel enclosed pipeline chain conveyor according to claim 5, it is characterised in that：Asbestos disk is filled in casing Root.

7. novel enclosed pipeline chain conveyor according to claim 5, it is characterised in that：Rotational structure is connecting pole, even It is stepped ramp type structure to connect column, and the left side of link offers the T-shaped link slot in section along the longitudinal direction, and connecting pole is plugged in company In access slot, the right part for adjusting lead screw is rotatably assorted by the formation of the link slot of connecting pole and link.