CN112811094B - Parcel cross belt sorting trolley - Google Patents
Parcel cross belt sorting trolley Download PDFInfo
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- CN112811094B CN112811094B CN202110080087.8A CN202110080087A CN112811094B CN 112811094 B CN112811094 B CN 112811094B CN 202110080087 A CN202110080087 A CN 202110080087A CN 112811094 B CN112811094 B CN 112811094B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/08—Drums, rollers, or wheels with self-contained driving mechanisms, e.g. motors and associated gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/02—Frames mounted on wheels for movement on rail tracks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The package cross belt sorting trolley provided by the invention is characterized in that the module structures of the upper conveying unit and the lower frame are respectively optimized, and a more compact and simplified connecting structure is adopted on the interconnection structure of the upper conveying unit and the lower frame, so that the light weight and modular design are realized, the upper load limit and the use efficiency are improved, and the workload of installation, debugging and maintenance is reduced. The package cross belt sorting trolley comprises an upper conveying line and a lower frame, wherein two groups of C-shaped plate welding pieces are arranged on the upper conveying line in the front-back direction of conveyed goods; the two ends of each group of C-shaped plate welding pieces are respectively connected with a roller fixing block and a roller fixing block symmetrical piece; the lower frame is respectively connected to the bent bottoms of the first upper and lower connecting plates and the second upper and lower connecting plates of the upper conveying line, and is provided with a trolley frame, a secondary plate mounting section, a joint bearing connecting piece, a secondary plate and a screw rod.
Description
Technical Field
The invention relates to an improved trolley structure applied to crossed belt sorting equipment, and belongs to the technical field of logistics sorting.
Background
In the logistics sorting operation field of the existing e-commerce and express delivery industries, a sorting trolley is generally adopted to carry out automatic cargo conveying, sorting, rechecking and other operations. The walking trolley loaded with the goods is circularly conveyed on the conveying line so as to realize the rapid sorting and loading and unloading of the goods.
As in the domestic patent previously filed by the applicant, application No. CN2019211804902, entitled combined sorting trolley, which has a conveyor assembly arranged in the upper part and a carriage assembly arranged in the lower part. Wherein, the conveying component comprises 2 groups of parallel and independent conveying units; and the same side of the 2 groups of conveying units is connected with an organ cover together. The modular structure design of above-mentioned whole car double feed both can carry simultaneously, to 2 little parcels of both sides letter sorting, also can 2 conveying unit carry 1 big parcel simultaneously, unload to the same one side letter sorting in step. The parallel conveying units are independently separated from the installation connection of the frame assembly and the respective electrical control.
As another domestic patent previously filed by the applicant, application No. CN2020104732413, entitled cross belt sorting trolley, comprises an upper conveying unit and a lower frame. The upper conveying unit comprises a belt supporting plate and side plates connected to two sides of the belt supporting plate, unpowered rollers and power rollers are arranged at two ends of each side plate respectively, and sorting belts are wound among the belt supporting plate, the unpowered rollers and the power rollers. A folding plate is horizontally arranged on the lateral side of each side plate, and a first bending connecting plate or a second bending connecting plate is vertically connected with the side plate; the folding plates are integrally horizontal plate-shaped components, the outer edges of the folding plates are provided with a plurality of equal-section arc sections, and the arc sections of the folding plates on the two sides of the same sorting trolley are mutually meshed; a plurality of groups of folded plate fixing plates are arranged on the side parts of the side plates, the folded plate fixing plates are provided with bent parts, the side parts of the folded plate fixing plates are fixedly connected with the side plates, and the horizontal top parts of the folded plate fixing plates are fixedly connected with the folded plates; the first bending connecting plate and the second bending connecting plate are respectively connected to the side plate on one side, and a first mounting hole and a second mounting hole which are used for being connected with the lower frame are respectively formed in the bottoms of the first bending connecting plate and the second bending connecting plate.
As with the prior art described above, there are still significant limitations to current horizontal or vertical, circular cross-belt sortation systems: 1) the whole structure is complex, the weight is large, and the operation efficiency of the cross belt sorting system is not improved; 2) the number of parts is still large, and the manufacturing cost is still large; 3) the whole installation and debugging precision of the trolley is to be improved due to the limitation of the machining precision; 4) the overall operation stability of the trolley needs to be improved due to the complicated influence of the component connection structure.
In view of this, the present patent application is specifically proposed.
Disclosure of Invention
The invention relates to a parcel cross belt sorting trolley, which aims to solve the problems in the prior art, respectively optimizes the module structures of an upper conveying unit and a lower frame, and adopts a more compact and simplified connecting structure on the interconnection structure of the upper conveying unit and the lower frame so as to realize light weight and modular design, improve the upper limit of load and use efficiency and reduce the workload of installation, debugging and maintenance.
To achieve the above design objective, a parcel cross-belt sorting trolley comprises an upper conveyor line and a lower frame, in particular: the upper conveying line is provided with two groups of C-shaped plate welding parts along the front and back directions of conveyed goods; the two ends of each group of C-shaped plate welding pieces are respectively connected with a roller fixing block and a roller fixing block symmetrical piece; the roller fixing block and the roller fixing block symmetric part have the same structure and are symmetrically arranged at the end part of the C-shaped plate welding part; the closing plate is fixedly arranged on the C-shaped plate welding piece; connecting belt supporting plates are arranged at the bottoms of the two groups of C-shaped plate welding pieces; the trolley belt is wound between the servo electric roller and the unpowered roller and is positioned on the upper parts of the first PA plate and the second PA plate; two ends of the servo electric roller and the unpowered roller are respectively connected with the roller fixing block and the roller fixing block symmetrical part; a supporting plate is arranged at the top of the first upper and lower connecting plates, and the first PA plate is fixedly connected with the supporting plate and the C-shaped plate welding piece through fasteners respectively; the second PA plate is fixedly connected with the belt supporting plate through a PA plate screw;
the lower frame is respectively connected to the bent bottoms of the first upper and lower connecting plates and the second upper and lower connecting plates of the upper conveying line, and is provided with a trolley frame, a secondary plate mounting section, a joint bearing connecting piece, a secondary plate and a screw rod; one end of the secondary mounting section bar is fixed with the trolley frame through a trolley frame bolt, and the other end of the secondary mounting section bar is fixed with the joint bearing connecting piece through a joint bearing connecting piece bolt; the top of the small frame is provided with a frame upper threaded hole, the top of the joint bearing connecting piece is correspondingly provided with an upper opening, and the first upper and lower connecting plates and the frame, and the second upper and lower connecting plates and the joint bearing connecting piece are respectively vertically connected through bolts; the screw rod penetrates through the trolley frame, the secondary mounting section and the joint bearing connecting piece and is fixedly connected with the trolley frame, the secondary mounting section and the joint bearing connecting piece through the locknut; the secondary plate is fixedly arranged in the profile groove of the secondary plate mounting profile through bolts.
Furthermore, two ends of the servo electric roller are respectively connected with the roller fixing block and the inner waist grooves of the roller fixing block symmetrical parts, and the end part of the roller shaft of the servo electric roller is locked outside the inner waist grooves through roller fastening nuts; the roller fixing block and the roller fixing block symmetric part are respectively inserted into the C-shaped folded edge of the C-shaped plate welding part and are installed in a matched mode; long circular hole waist grooves are formed in the roller fixing block and the roller fixing block symmetrical parts, positioning holes are formed in the C-shaped plate welding parts, and the long circular hole waist grooves and the positioning holes are installed and fixed through screws; inner side positioning holes are formed in the inner sides of the ends of the roller fixing block and the roller fixing block symmetrical part, inner side mounting holes are formed in the inner side welding rib plates of the C-shaped plate welding part, and adjusting bolts and adjusting nuts are horizontally arranged and connected between the inner side positioning holes and the inner side mounting holes; the roller fixing block and the roller fixing block symmetric part respectively penetrate through the long circular hole waist groove of the roller fixing block through positioning bolts so as to be fixed with the C-shaped plate welding part; the roller fixing block and the roller fixing block symmetric part are respectively provided with a lateral semicircular hole, semicircular holes are formed in the inner side welding rib plate of the C-shaped plate welding part, and the lateral semicircular holes and the semicircular holes are overlapped and matched to allow a power supply and a control line of the servo electric roller to penetrate through.
Furthermore, a sealing plate mounting hole is formed in the sealing plate, and the sealing plate mounting hole is matched with a welding piece mounting hole of the C-shaped plate welding piece and is fixedly connected with the welding piece mounting hole through a screw; the sealing plate is provided with a waist adjusting hole and an organ cover mounting hole, and the organ cover mounting hole is matched with the mounting hole on the organ cover and fixedly connected with the mounting hole through a fastener; a cover body protruding outwards is arranged at the end part of the sealing plate,
furthermore, two adjacent sorting trolleys share one first PA plate, and the first PA plate is fixedly connected with a C-shaped plate welding piece of the front vehicle through a front vehicle screw and fixedly connected with a supporting plate of the front vehicle through a front vehicle auxiliary screw; the other part of the first PA plate is placed on the top of a belt supporting plate of a rear vehicle; each sorting trolley is provided with a second PA plate; the first PA plate 1 is provided with an outer convex round modeling structure, the second PA plate 12 is provided with an inner concave round modeling structure, and a safety gap is reserved between the first PA plate and the second PA plate after installation.
Furthermore, the whole belt supporting plate is provided with a peripheral bent edge, and the bottom of the belt supporting plate is welded with a U-shaped square pipe; a screw hole connected with the C-shaped plate welding piece 14 and a welded connecting nut are arranged on the inner side of the belt supporting plate; and a plurality of bending threaded holes matched with the PA plate screws of the second PA plate for mounting and fixing are formed in the side part of the bending plate main body of the belt supporting plate.
Furthermore, the trolley frame of the lower frame is an integrally cast and formed component; a plurality of groups of hollow grooves which are continuously arranged are arranged in the trolley frame, and a plurality of cross-connected reinforcing ribs are arranged in the hollow grooves; the front end of the trolley frame is provided with a group of pin shaft square grooves connected with joint bearing pin shafts, and the top of the trolley frame is provided with a plurality of sections of raised arc ribs; the guide wheel assembly is arranged at the lower part of the trolley frame, the walking wheel assembly is arranged at the end part of the trolley frame, the joint bearing pin shaft penetrates through the joint bearing, and the joint bearing is fixed in an inner hole of the joint bearing connecting piece; the pressing plate is matched with the joint bearing connecting piece through a pressing plate screw hole and is installed and fixed through a fastening piece; and the two groups of joint bearing spacer bushes are respectively connected with two ends of a joint bearing pin shaft so as to limit the inner rings on two sides of the joint bearing.
Furthermore, two ends of the joint bearing pin shaft are of eccentric square shaft structures; the central line of the pin shaft is the axial central line of the pin shaft, the central line of the square shaft is the axial central line of the square shaft, and the central line of the square shaft and the axial central line of the square shaft have a certain deviation value M; the joint bearing connecting piece is of an integrally formed integral structure, the front part of the joint bearing connecting piece is in a fish mouth shape, and the rear part of the joint bearing connecting piece is a protruding installation part; the front part of the joint bearing connecting piece is provided with an internal hole for fixing the joint bearing, and the pressing plate is connected through a pressing plate screw hole in the front part of the joint bearing connecting piece; the upper end surface and the lower end surface of the front part of the joint bearing connecting piece are provided with a group of symmetrical open semi-circular grooves.
Furthermore, the walking wheel assembly consists of a rotating shaft, a rotating shaft pressing sheet, a rotating seat, a walking wheel shaft pressing sheet, a rotating shaft compression screw, a spacer bush, an oil-containing bearing and a walking wheel; the rotating shaft pressing sheet clamps the upper end surface of the rotating shaft, the rotating shaft is arranged on the trolley frame in a penetrating mode, and the rotating shaft is tightly connected to the trolley frame through a rotating shaft pressing screw through a spacer bush; the front end of the rotating seat is provided with a traveling wheel shaft and a traveling wheel shaft pressing sheet, an oil-retaining bearing is arranged inside the rotating seat, and the rotating shaft penetrates through the oil-retaining bearing along the vertical direction.
Furthermore, the secondary plate is integrally cast and formed and has a T-shaped structure, the secondary plate is provided with a horizontal mounting surface, and a plurality of groups of top mounting holes are formed in the mounting surface; fixing the secondary plate in a first profile groove of the secondary plate mounting profile through a T-shaped bolt; the secondary plate mounting section adopts a die sinking aluminum section, the surface of the secondary plate mounting section is provided with a plurality of groups of grooves, including a first section groove on the vertical surface and a second section groove on the transverse surface.
Further, the electrical control box is installed in a first profile groove or a second profile groove of the secondary plate installation profile, the electrical control box is formed by processing bent plates, notches are reserved on the plates on the surfaces of the electrical control box, installation bosses are reserved and processed, and special-shaped box installation holes are formed in the installation bosses.
In summary, the parcel cross belt sorting trolley has the following advantages:
1. the whole vehicle realizes complete modular structure improvement, the connection between the upper part and the lower part is compact, and the reduction of sorting is facilitated
Self-weight of the trolley; the efficiency of the whole vehicle assembly and the field operation is correspondingly improved, and the manufacturing and using cost is also reduced.
2. Optimize the installation connection structure between upper portion, the substructure, when realizing the lightweight, can be applicable to the great goods letter sorting of volume and weight.
3. Because the modularization degree is higher, connection structure can optimize, consequently can improve scalability on whole car design effectively, provides good interface and basis for follow-up further improvement.
4. The workload of the whole vehicle for installation, debugging and maintenance is reduced.
5. A plurality of installation connecting parts are reduced, and the requirements on manufacturing and assembling precision are lowered.
Drawings
The present application will now be further described with reference to the following drawings.
FIG. 1 is a schematic view of a package cross-belt sortation cart according to the present application;
FIG. 2 is a schematic structural view of an upper conveyor line;
FIG. 3 is another side schematic view of FIG. 2 with the belt removed;
FIG. 4 is a schematic view of the mounting and adjustment of the roller mounting block;
FIG. 5 is a schematic structural view of a roller fixing block;
FIG. 6 is a schematic view of the closure plate;
FIG. 7 is a schematic structural view of a C-plate weldment;
FIG. 8-1 is a schematic view of the connection of the PA plates between the front and rear trolleys;
FIG. 8-2 is a schematic view from the bottom of FIG. 8-1;
FIG. 9 is a schematic view of a belt pallet;
FIG. 10 is a schematic view of the construction of the lower frame;
FIG. 11 is another directional structural view of FIG. 10 after installation of the secondary plate;
FIG. 12 is a schematic structural view of the carriage frame;
FIG. 13-1 is a schematic structural view of a knuckle bearing pin;
FIG. 13-2 is a cross-sectional view of adjusting the vertical centering of the joint bearing pin;
FIG. 14-1 is a schematic view of the construction of the secondary plate;
FIG. 14-2 is a schematic vertical cross-section of the secondary plate;
FIG. 15 is a schematic structural view of a secondary plate mounting profile;
FIG. 16-1 is a schematic view of the construction of the walking wheel assembly;
FIG. 16-2 is a schematic vertical cross-sectional view at the axis of rotation of FIG. 16-1;
FIG. 16-3 is a schematic view of the mounting groove of the knuckle bearing pin fixed at the tail of the trolley frame;
FIG. 17 is a schematic view of the construction of a joint bearing connector;
fig. 18 is a schematic view of the mounting of the electrical box at the secondary board mounting profile;
fig. 19 is a schematic diagram of an electrical box configuration.
Detailed Description
Example 1, as shown in fig. 1 to 19, the parcel sorting cross-belt cart according to the present application is mainly composed of an upper conveyor line 100 and a lower frame 200, and a monolithic body structure is formed by optimization of the two-part module structure and simplification of the mutual connection structure.
As shown in fig. 2 to 9, the upper conveyor line 100 is composed of a first PA plate 1, a trolley belt 2, a sealing plate 3, a supporting plate 4, a first upper and lower connecting plate 5, a servo electric roller 6, a roller fixing block 7, a second upper and lower connecting plate 8, an organ cover 9, a roller fixing block symmetrical part 10, an unpowered roller 11, a second PA plate 12, a belt supporting plate 13, and a C-shaped plate welding part 14.
Specifically, two sets of C-shaped plate weldments 14 are arranged in the front-rear direction of the upper conveying line 100 of the sorting trolley along the direction of conveying goods.
The two ends of each group of C-shaped plate welding pieces 14 are respectively connected with a roller fixing block 7 and a roller fixing block symmetrical piece 10; the roller fixing block 7 and the roller fixing block symmetrical part 10 are identical in structure and are symmetrically arranged at the end part of the C-shaped plate welding part 14.
The closing plate 3 is fixedly mounted to the C-plate weldment 14.
And connecting belt supporting plates 13 are arranged at the bottoms of the two groups of C-shaped plate welding pieces 14.
The trolley belt 2 is wound between the servo electric roller 6 and the unpowered roller 11, is positioned at the upper parts of the first PA plate 1 and the second PA plate 12, and is provided with power by the servo electric roller 6 and transmits the power so as to realize that the trolley belt 2 performs sorting actions in a reciprocating manner along two transverse directions of the sorting trolley.
Two groups of organ covers 9 are respectively connected at the front end and the rear end of the sorting trolley, and the organ covers 9 are fixedly connected with the closing plates 3. The organ cover 9 can be made of PVC materials and has the functions of dust prevention and sound insulation so as to protect the operation environment of the sorting trolley.
The top of the first upper and lower connecting plates 5 is provided with a supporting plate 4, and the first PA plate 1 is fixedly connected with the supporting plate 4 and a C-shaped plate welding piece 14 through fasteners respectively; correspondingly, the second PA plate 12 is fixedly connected to the belt supporting plate 13 by a PA plate screw 308.
Two ends of the servo electric roller 6 and the unpowered roller 11 are respectively connected to the roller fixing block 7 and the roller fixing block symmetrical part 10.
Specifically, two ends of the servo electric roller 6 are respectively connected with the roller fixing block 7 and the inner waist groove 301 of the roller fixing block symmetrical piece 10, and the end part of the roller shaft of the servo electric roller 6 is locked outside the inner waist groove 301 through the roller fastening nut 15, so that the installation and fixation of the servo electric roller 6 (the unpowered roller 11) between the two groups of C-shaped plate welding pieces 14 are completed.
When the servo electric roller 6 and the unpowered roller 11 are maintained and maintained subsequently, the roller can be detached from the roller fixing block 7 (the roller fixing block symmetrical part 10) by loosening the roller fastening nut 15 and detaching the C-shaped plate welding parts 14 on the two sides of the belt supporting plate 13, namely, the roller is separated from the upper conveying line 100. The operation is simpler, and the time required by maintenance is reduced.
Further, the roller fixing block 7 and the roller fixing block symmetrical part 10 are respectively inserted into the C-shaped folded edge of the C-shaped plate welding part 14 and are installed in a matched mode. A long circular hole waist groove 302 is arranged on the roller fixing block 7 (a symmetrical part 10 of the roller fixing block), a positioning hole 306 is arranged on the C-shaped plate welding part 14, and the long circular hole waist groove 302 and the positioning hole 306 are installed and fixed through screws; in addition, the inner side of the end part of the roller fixing block 7 (the roller fixing block symmetrical part 10) is provided with an inner side positioning hole 303, the inner side welding rib plate of the C-shaped plate welding part 14 is provided with an inner side mounting hole 307, and an adjusting bolt 16 and an adjusting nut 17 are horizontally installed and connected between the inner side positioning hole 303 and the inner side mounting hole 307 for fixing; the roller fixing block 7 (a roller fixing block symmetrical part 10) penetrates through a long circular hole kidney groove 302 of the roller fixing block through a positioning bolt 50 so as to be fixed with the C-shaped plate welding part 14; meanwhile, the roller fixing block 7 is provided with a lateral semicircular hole 305, a semicircular hole 314 is formed in the inner side welding rib plate of the C-shaped plate welding part 14, and the lateral semicircular hole 305 and the semicircular hole 314 are in superposition fit so as to allow a power supply and a control line of the servo electric roller 6 to pass through.
The adjusting bolt 16 designed above is used for adjusting the distance between the axial center lines of the servo electric roller 6 and the unpowered roller 11, and further adjusting the tension degree of the trolley belt 2.
When the adjusting nut 17 is loosened and the adjusting bolt 16 is adjusted, due to the existence of the long round hole waist groove 302, the roller fixing block 7 (the roller fixing block symmetrical part 10) can correspondingly adjust the relative position between the roller fixing block 7 and the C-shaped plate welding part 14 along with the change of the position of the adjusting bolt 16, and further the distance between the servo electric roller 6 and the axial center line of the unpowered roller 11 is adjusted; when the distance between the servo motorized roller 6 and the unpowered roller 11 starts to change, the tension of the trolley belt 2 wound between the servo motorized roller and the unpowered roller changes.
The sealing plate 3 is provided with a sealing plate mounting hole 312; the closure plate mounting holes 312 are interfitted with and fixedly attached by screws to the weldment mounting holes 304 of the C-plate weldment 14.
The closing plate 3 has an adjustment waist hole 310 to ensure that the roller fixing block 7 (roller fixing block symmetrical part 10) can move laterally together when the tension of the trolley belt 2 is adjusted by the adjusting bolt 16.
The closing plate 3 is provided with an organ cover mounting hole 311, and the organ cover mounting hole 311 is matched with the mounting hole on the organ cover 9 and fixedly connected with the organ cover 9 through a fastener.
As shown in fig. 8-1 and 8-2, two adjacent sorting carts share a first PA board 1. Specifically, the same first PA plate 1 is mounted and connected on the upper conveyor line 300 of the front vehicle and the upper conveyor line 100 of the rear vehicle;
the first PA plate 1 is fixedly connected with a C-shaped plate welding piece 14 of the front vehicle through a front vehicle screw 601 and is fixedly connected with a support plate 4 of the front vehicle through a front vehicle auxiliary screw 602;
at the same time, the other parts of the first PA plate 1 rest on top of the belt pallet 13 of the rear vehicle. To this end, the first PA board 1 completes the assembly between the front and rear cars.
Each sorting trolley is provided with a second PA plate 12, namely, the second PA plate 12 is fixedly connected with the belt supporting plate 13 through a PA plate screw 308.
As can be seen from the figure, the first PA board 1 is fixedly connected with the front vehicle and only overlaps with the rear vehicle; and each sorting trolley is fitted with a second PA plate 12.
In the in-service use, when a plurality of letter sorting dolly head and the tail are established ties and form the conveying loop, there is the interval in the junction of front and back dolly inevitably, consequently this application is adopted above-mentioned first PA board 1 to shelter from in order to prevent that the loop operation in-process goods from falling into the track of loop inboard from the front and back car clearance, can avoid the emergence of this type of accident from this.
Further, the first PA board 1 has an outer convex round modeling structure, and the second PA board 12 has an inner concave round modeling structure, and a safety gap is left between the two after installation.
When a conveying loop consisting of a plurality of sorting trolleys runs to a bent rail, the first PA plate 1 of the front vehicle always moves along with the front vehicle, and the rear vehicles connected end to end inevitably move along with the movement of the front vehicle.
If the first PA plate 1 and the second PA plate 12 are at the boundary of the straight-line pitch, they will intersect or interfere with each other in the curved track section. But adopt this application the design structure on the circular arc section interval border between first PA board 1 and the second PA board 12, then can remain certain safety clearance between the two all the time, both can prevent to collide mutually and interfere, can guarantee again that the part that shelters from of junction exists all the time between the preceding, the back car and prevent that the goods from falling into in the inboard track, guarantee the safe operation of loop line.
The belt supporting plate 13 is integrally provided with a peripheral bending edge, and the bottom of the belt supporting plate is welded with a U-shaped square pipe 503 to increase the overall strength, so that the trolley belt 2 can bear heavier goods and the self weight of the trolley is reduced by adopting a thin plate material through the supporting plate.
Screw holes and welded connection nuts 502 are provided on the inner side of the belt supporting plate 13 to achieve connection with the C-shaped plate welding members 14.
In fig. 9, a plurality of bending screw holes 504 are provided on the side of the bending plate body 501 of the belt pallet 13 to be attached and fixed by the PA plate screws 308 of the second PA plate 12.
As shown in fig. 10 and 11, the lower frame 200 has a carriage frame 20, a traveling wheel assembly 21, a guide wheel assembly 22, a joint bearing spacer 23, a joint bearing connecting member pin 24, a secondary plate mounting profile 25, a joint bearing connecting member 26, a pressing plate 27, a joint bearing 28, a secondary plate 29, and a screw rod 30.
Specifically, one end of the secondary mounting section 25 is fixed to the carriage 20 by a carriage bolt 31, and the other end thereof is fixed to the joint bearing connector 26 by a joint bearing connector bolt 32, thereby constituting a main body of the lower frame 200.
The lower frame 200 is connected to the bent bottoms of the first upper and lower connecting plates 5 and the second upper and lower connecting plates 8 of the upper conveyor line 100 by bolts, respectively. Wherein, a plurality of groups of first connecting plate mounting holes 101 are arranged at the bending bottom of the first upper and lower connecting plates 5; similarly, a plurality of second connecting plate mounting holes 102 are formed in the bent bottoms of the second upper and lower connecting plates 8; the top of the frame 20 is provided with a frame upper threaded hole 201, the top of the joint bearing connecting piece 26 is correspondingly provided with an upper opening hole 202, and the first upper and lower connecting plates 5 and the frame 20, the second upper and lower connecting plates 8 and the joint bearing connecting piece 26 are vertically connected through bolts, so that the vertical installation between the upper conveying line 100 and the lower frame 200 is realized.
In addition, the screw rod 30 can pass through the trolley frame 20, the secondary mounting section bar 25 and the joint bearing connecting piece 26 and is fixedly connected together through the locknut 34, so that the main body strength of the lower frame 200 is further improved, and the influence on the connection stability of the sorting trolley due to continuous vibration in the process of loop line operation is prevented.
The small car frame 20 is an integrally cast component, a plurality of groups of hollow grooves 403 which are continuously arranged are arranged in the small car frame, and a plurality of cross-connected reinforcing ribs are arranged in the hollow grooves 403 so as to connect and reinforce the whole small car frame 20. The front end of the trolley frame 20 is provided with a group of pin shaft square grooves 401 for connecting joint bearing pin shafts 24; a plurality of convex curved ribs 402 are arranged on the top of the trolley frame 20 to enhance the strength of the whole trolley frame 20.
The guide wheel assembly 22 is arranged at the lower part of the trolley frame 20, the walking wheel assembly 21 is arranged at the end part of the trolley frame 20, the joint bearing pin shaft 24 is arranged in the square groove 401 of the trolley frame 20, meanwhile, the joint bearing pin shaft 24 penetrates through the joint bearing 28, and the joint bearing 28 is fixed in the inner hole 412 of the joint bearing connecting piece 26; further, the pressure plate 27 is matched with the joint bearing connecting piece 26 through the pressure plate screw hole 413 and is fixedly installed through a fastener, so that the outer ring of the joint bearing 28 is fixedly stopped.
The knuckle bearing 28 is a special bearing, and the inner sphere of the knuckle bearing can rotate, so that the front sorting trolley and the rear sorting trolley can rotate freely when being connected in series to form a loop line for conveying. Two groups of joint bearing spacers 23 are respectively connected with two ends of a joint bearing pin shaft 24 so as to limit the inner rings on two sides of the joint bearing 28. After the knuckle bearing 28 is installed and positioned, the knuckle bearing pin 24 is placed in the pin square groove 401 of the trolley frame 20 through the knuckle bearing pin 24 and the knuckle bearing pin 24 is fixed and locked through the pin bolt 33.
The two ends of the knuckle bearing pin shaft 24 are of an eccentric square shaft structure. Specifically, when the first fixing surface 404, the second fixing surface 405, and the third fixing surface 406 at the end of the joint bearing pin shaft 24 are respectively installed in cooperation with the pin shaft square groove 401, the axis of the joint bearing pin shaft 24 changes, and further the axial center line of the joint bearing 28 changes accordingly, so that the axial center line of the joint bearing connecting piece 26 is displaced, and finally 3 different pitch sizes of the front and rear sorting trolleys are formed.
The primary intention of doing so is to change the existing fixed pitch knuckle bearing mounting to correspondingly reduce the adjustment effort for field installation. Because when the existing sorting trolley is connected end to end, the existing sorting trolley is locked through nuts of the joint bearings, the accumulated pitch deviation is larger after the whole sorting trolley is installed in a loop line mode.
The end of the knuckle bearing pin 24 designed by the present application is an eccentric square shaft structure, the pin center line 419 is the axial center line of the pin itself, and the square shaft center line 418 is the axial center line of the square shaft, and both have a certain deviation value M. Three different trolley pitches can be designed through the deviation value M. For example, the end of the spherical plain bearing pin 24 has a first fastening surface 404, a second fastening surface 405, and a third fastening surface 406, while the pin channel 401 has at least one mounting base 422, a first mounting side 424, and a second mounting side 426.
When the first fixing surface 404 and the mounting bottom surface 422, the second fixing surface 405 and the first mounting side surface 424, and the third fixing surface 406 and the second mounting side surface 426 are mounted in a mutually matched manner, the pin shaft center line 419 is coincided with the square shaft center line 418, and the pitch of the sorting trolleys connected in series front and back is the pitch A;
when the fourth fixing surface 423 is matched with the mounting bottom surface 422, the third fixing surface 406 is matched with the first mounting side surface 424, and the second fixing surface 405 is matched with the second mounting side surface 426, the pin shaft center line 419 is superposed with the square shaft center line 418, and the pitch of the sorting trolleys connected in series front and back is the pitch A;
the two mounting modes are standard mounting for normal assembly pitch.
However, when the second fixing surface 405 is installed to match the installation bottom surface 422, the fourth fixing surface 423 is installed to match the second installation side surface 426, and the first fixing surface 404 is installed to match the first installation side surface 424, the deviation M exists between the pin axis 419 and the square axis 418, and the pitch of the sorting carts connected in series in front and back is the pitch B;
when the third fixing surface 406 and the mounting bottom surface 422, the fourth fixing surface 423 and the first mounting side surface 424, and the first fixing surface 404 and the second mounting side surface 426 are mounted in a matching manner, a deviation negative M exists between the pin shaft center line 419 and the square shaft center line 418, and the pitch of the sorting trolleys connected in series front and back is the pitch C;
the two mounting methods are used for adjusting the overall offset mounting pitch. Because each pitch is a fixed value, the number of the sorting trolleys needing to be adjusted can be quickly known through accurate calculation, so that large deviation caused by error accumulation when the sorting trolleys are connected in a closed loop mode on site is avoided.
The walking wheel assembly 21 comprises a rotating shaft 35, a rotating shaft pressing sheet 36, a rotating base 37, a walking wheel shaft 38, a walking wheel shaft pressing sheet 39, a rotating shaft compression screw 40, a spacer bush 41, an oil-containing bearing 42, a walking wheel 43 and the like. The rotating shaft pressing piece 36 is clamped on the upper end surface of the rotating shaft 35, the rotating shaft 35 is installed in the trolley frame 20 in a penetrating mode, and the rotating shaft 35 is tightly connected to the trolley frame 20 through a spacer 40.
The front end of the rotating base 37 is provided with a traveling wheel shaft 38 and a traveling wheel shaft pressing sheet 39, in order to ensure that the traveling wheel assembly cannot be abraded with the trolley frame 20 during operation, an oil-retaining bearing 42 is arranged inside the rotating base 37, and the rotating shaft 35 penetrates through the oil-retaining bearing 42 in the vertical direction. When the rotating shaft 35 is forced to rotate for a certain angle, the trolley frame 20 is not worn obviously.
The joint bearing connecting piece 26 has an integrally formed integral structure, the front part of the joint bearing connecting piece is in a fish mouth shape, and the rear part of the joint bearing connecting piece is a convex mounting part; the front part of the joint bearing connecting piece 26 is provided with an inner hole 412 for fixing the joint bearing 28, the pressure plate 27 is connected with a pressure plate bolt 513 through a pressure plate screw hole 413 at the front part of the joint bearing connecting piece 26, and the upper end surface and the lower end surface at the front part of the joint bearing connecting piece 26 are provided with a group of symmetrical open semi-circular grooves 414 so as to avoid the mutual interference with the trolley frame 20 of another serially-connected sorting trolley in the rotating process of the joint bearing 28.
The secondary plate 29 is integrally cast and formed and has a T-shaped structure, the secondary plate 29 is provided with a horizontal mounting surface 408, a plurality of groups of top mounting holes 407 are formed in the mounting surface 408, and the secondary plate 29 is fixed inside the first profile groove 410 of the secondary plate mounting profile 25 through T-shaped bolts 514. The secondary plate 29 with the T-shaped structure not only has remarkably increased structural strength compared with the prior art, but also reduces the installation accumulated error of a split structure, and ensures that an effective safety clearance can be always kept with the linear motor during subsequent loop operation. The integrated secondary plate 29 is simple and convenient to mount and dismount in the follow-up process, and the workload for field assembly and maintenance is reduced.
The secondary plate mounting section bar 25 adopts a die sinking aluminum section bar piece, the surface of the secondary plate mounting section bar piece is provided with a plurality of groups of grooves, including a first section bar groove 410 on the vertical surface and a second section bar groove 411 on the transverse surface, so as to conveniently and fixedly mount elements such as a secondary plate 29 and an electric control box.
The electrical control box can randomly select the installation positions of the first profile groove 410 and the second profile groove 411 of the secondary plate installation profile 25, and is convenient and quick in practical use. Such as the drive box 46 and the profile box 45, are respectively fixedly mounted on the side and the top of the secondary plate mounting section 25 by the drive box bolt 413 and the profile box bolt 427. The interior of the distribution box 44 is fitted with profile fitting holes, which can be determined from the site adjustment position.
If the special-shaped box 45 is formed by bending a plate, a notch is reserved on each surface of the plate, an installation boss 414 is reserved, a special-shaped box installation hole 415 is formed in the installation boss 414, and the special-shaped box installation hole is matched with the second profile groove 411 and is fixedly installed through a driving box bolt 413.
In summary, the embodiments presented in connection with the figures are only preferred. Those skilled in the art can derive other alternative structures according to the design concept of the present invention, and the alternative structures should also fall within the scope of the solution of the present invention.
Claims (8)
1. The utility model provides a parcel cross belt letter sorting dolly, includes upper portion transfer chain and lower part frame, its characterized in that:
the upper conveying line is provided with two groups of C-shaped plate welding parts along the front and back directions of conveyed goods; the two ends of each group of C-shaped plate welding pieces are respectively connected with a roller fixing block and a roller fixing block symmetrical piece; the roller fixing block and the roller fixing block symmetric part have the same structure and are symmetrically arranged at the end part of the C-shaped plate welding part;
the closing plate is fixedly arranged on the C-shaped plate welding piece;
connecting belt supporting plates are arranged at the bottoms of the two groups of C-shaped plate welding pieces;
the trolley belt is wound between the servo electric roller and the unpowered roller and is positioned on the upper parts of the first PA plate and the second PA plate;
two ends of the servo electric roller and the unpowered roller are respectively connected with the roller fixing block and the roller fixing block symmetrical part;
a supporting plate is arranged at the top of the first upper and lower connecting plates, and the first PA plate is fixedly connected with the supporting plate and the C-shaped plate welding piece through fasteners respectively; the second PA plate is fixedly connected with the belt supporting plate through a PA plate screw;
the lower frame is respectively connected to the bent bottoms of the first upper and lower connecting plates and the second upper and lower connecting plates of the upper conveying line, and is provided with a trolley frame, a secondary plate mounting section, a joint bearing connecting piece, a secondary plate and a screw rod;
one end of the secondary mounting section bar is fixed with the trolley frame through a trolley frame bolt, and the other end of the secondary mounting section bar is fixed with the joint bearing connecting piece through a joint bearing connecting piece bolt;
the top of the trolley frame is provided with a frame upper threaded hole, the top of the joint bearing connecting piece is correspondingly provided with an upper opening, and the first upper and lower connecting plates are respectively vertically connected with the trolley frame and the second upper and lower connecting plates are respectively connected with the joint bearing connecting piece through bolts;
the screw rod penetrates through the trolley frame, the secondary mounting section and the joint bearing connecting piece and is fixedly connected with the trolley frame, the secondary mounting section and the joint bearing connecting piece through the locknut;
the secondary plate is fixedly arranged in the profile groove of the secondary plate mounting profile through a bolt;
the trolley frame is an integrally cast part; a plurality of groups of hollow grooves which are continuously arranged are arranged in the trolley frame, and a plurality of cross-connected reinforcing ribs are arranged in the hollow grooves;
the front end of the trolley frame is provided with a group of pin shaft square grooves connected with joint bearing pin shafts, and the top of the trolley frame is provided with a plurality of sections of raised arc ribs;
the guide wheel assembly is arranged at the lower part of the trolley frame, the walking wheel assembly is arranged at the end part of the trolley frame, the joint bearing pin shaft penetrates through the joint bearing, and the joint bearing is fixed in an inner hole of the joint bearing connecting piece;
the pressing plate is matched with the joint bearing connecting piece through a pressing plate screw hole and is installed and fixed through a fastening piece;
the two groups of joint bearing spacer sleeves are respectively connected with two ends of a joint bearing pin shaft so as to limit the inner rings on two sides of the joint bearing;
the two ends of the joint bearing pin shaft are of eccentric square shaft structures;
the central line of the pin shaft is the axial central line of the joint bearing pin shaft, the central line of the square shaft is the axial central line of the square shaft, and the central line and the square shaft have a certain deviation value;
the joint bearing connecting piece is of an integrally formed integral structure, the front part of the joint bearing connecting piece is in a fish mouth shape, and the rear part of the joint bearing connecting piece is a protruding installation part;
the front part of the joint bearing connecting piece is provided with an internal hole for fixing the joint bearing, and the pressing plate is connected through a pressing plate screw hole in the front part of the joint bearing connecting piece;
the upper end surface and the lower end surface of the front part of the joint bearing connecting piece are provided with a group of symmetrical open semi-circular grooves.
2. The parcel cross-belt sorting trolley of claim 1, wherein: two ends of the servo electric roller are respectively connected with the roller fixing block and the inner waist groove of the roller fixing block symmetrical part, and the end part of the roller shaft of the servo electric roller is locked outside the inner waist groove through a roller fastening nut;
the roller fixing block and the roller fixing block symmetric part are respectively inserted into the C-shaped folded edge of the C-shaped plate welding part and are installed in a matched mode; long circular hole waist grooves are formed in the roller fixing block and the roller fixing block symmetrical parts, positioning holes are formed in the C-shaped plate welding parts, and the long circular hole waist grooves and the positioning holes are installed and fixed through screws;
inner side positioning holes are formed in the inner sides of the ends of the roller fixing block and the roller fixing block symmetrical part, inner side mounting holes are formed in the inner side welding rib plates of the C-shaped plate welding part, and adjusting bolts and adjusting nuts are horizontally arranged and connected between the inner side positioning holes and the inner side mounting holes; the roller fixing block and the roller fixing block symmetric part respectively penetrate through the long circular hole waist groove of the roller fixing block through positioning bolts so as to be fixed with the C-shaped plate welding part;
the roller fixing block and the roller fixing block symmetric part are respectively provided with a lateral semicircular hole, semicircular holes are formed in the inner side welding rib plate of the C-shaped plate welding part, and the lateral semicircular holes and the semicircular holes are overlapped and matched to allow a power supply and a control line of the servo electric roller to penetrate through.
3. The parcel cross-belt sorting trolley of claim 1, wherein: a sealing plate mounting hole is formed in the sealing plate, and the sealing plate mounting hole is matched with a welding piece mounting hole of the C-shaped plate welding piece and fixedly connected with the welding piece mounting hole through a screw;
the sealing plate is provided with a waist adjusting hole and an organ cover mounting hole, and the organ cover mounting hole is matched with the mounting hole on the organ cover and fixedly connected with the mounting hole through a fastener; a cover body protruding outward is provided at an end of the sealing plate.
4. The parcel cross-belt sorting trolley of claim 3, wherein: two adjacent sorting trolleys share one first PA plate, and the first PA plate is fixedly connected with a C-shaped plate welding piece of the front vehicle through a front vehicle screw and fixedly connected with a supporting plate of the front vehicle through a front vehicle auxiliary screw; the other part of the first PA plate is placed on the top of a belt supporting plate of a rear vehicle; each sorting trolley is provided with a second PA plate;
the first PA board has an outer convex round modeling structure, the second PA board has an inner concave round modeling structure, and a safety gap is reserved between the first PA board and the second PA board after installation.
5. The parcel cross-belt sorting trolley of claim 4, wherein: the belt supporting plate is integrally provided with a peripheral bent edge, and the bottom of the belt supporting plate is welded with a U-shaped square pipe;
a screw hole connected with the C-shaped plate welding piece and a welded connecting nut are arranged on the inner side of the belt supporting plate;
and a plurality of bending threaded holes matched with the PA plate screws of the second PA plate for mounting and fixing are formed in the side part of the bending plate main body of the belt supporting plate.
6. The parcel cross-belt sorting trolley of claim 5, wherein: the walking wheel assembly consists of a rotating shaft, a rotating shaft pressing sheet, a rotating seat, a walking wheel shaft pressing sheet, a rotating shaft compression screw, a spacer bush, an oil-containing bearing and a walking wheel;
the rotating shaft pressing sheet clamps the upper end surface of the rotating shaft, the rotating shaft is arranged on the trolley frame in a penetrating mode, and the rotating shaft is tightly connected to the trolley frame through a rotating shaft pressing screw through a spacer bush;
the front end of the rotating seat is provided with a traveling wheel shaft and a traveling wheel shaft pressing sheet, an oil-retaining bearing is arranged inside the rotating seat, and the rotating shaft penetrates through the oil-retaining bearing along the vertical direction.
7. The parcel cross-belt sorting trolley of claim 6, wherein: the secondary plate is integrally cast and formed and has a T-shaped structure, the secondary plate is provided with a horizontal mounting surface, and a plurality of groups of top mounting holes are formed in the mounting surface; fixing the secondary plate in a first profile groove of the secondary plate mounting profile through a T-shaped bolt;
the secondary plate mounting section adopts a die sinking aluminum section, the surface of the secondary plate mounting section is provided with a plurality of groups of grooves, including a first section groove on the vertical surface and a second section groove on the transverse surface.
8. The parcel cross-belt sorting trolley of claim 7, wherein: the electrical control box is arranged in a first profile groove or a second profile groove of the secondary plate mounting profile; the electric control box is formed by processing bent plates, notches are reserved on the plates on the surfaces of the electric control box, mounting bosses are reserved and processed, and special-shaped box mounting holes are formed in the mounting bosses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110080087.8A CN112811094B (en) | 2021-01-21 | 2021-01-21 | Parcel cross belt sorting trolley |
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| CN202110080087.8A CN112811094B (en) | 2021-01-21 | 2021-01-21 | Parcel cross belt sorting trolley |
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