Stacking machine

Abstract

The utility model discloses a stacking machine. A stacking machine comprises a lower single-rail track, an upper single-rail track, a main body stand column, a main body bottom beam, a pallet fork and a pallet fork bearing assembly, and the pallet fork and pallet fork bearing assembly comprises a pallet fork rack, a strip-shaped bearing table, two clamping push-pull pallet forks and conveying rollers; the main body stand column walking device is installed on the top face of the middle of the main body bottom beam, the pallet fork and pallet fork bearing assembly is installed on the main body stand column in a sliding mode through a sliding device, and the pallet fork and pallet fork bearing assembly lifting device, the electric appliance and the electric appliance control device are further included. The stacking machine meets the storage requirement of small-batch light-load materials, the structure of the stacking machine is optimized, operation is flexible, the size is reduced, and manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of warehouse equipment for three-dimensional logistics warehouses, and particularly belongs to a stacker crane. Background Art

[0002] At present, in the storage link of materials in the logistics equipment industry, there are many small batches of materials that need to be stored. Usually, these three-dimensional warehouses are relatively small, the stored goods are relatively light, but the utilization efficiency is relatively high. Under such usage requirements, traditional large three-dimensional warehouses are somewhat wasteful. In the existing large three-dimensional warehouse model, the stacker crane is expensive and the investment is relatively large. The stacker crane adopts a double-column form, with a large volume, heavy operation, and a large floor area, resulting in a waste of resources. How to prepare a stacker crane to meet the storage requirements of small batches of lightly loaded materials, and how to optimize the structure of the stacker crane, make it operate flexibly, reduce the volume, and reduce the manufacturing cost are the problems that need to be solved. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a stacker crane. Using this stacker crane can meet the storage requirements of small batches of lightly loaded materials, and this stacker crane can also optimize the structure, operate flexibly, reduce the volume, and reduce the manufacturing cost.

[0004] The technical solution of the utility model to solve the above technical problems is: a stacker crane, including a lower single-rail track installed on the reinforced concrete floor of the three-dimensional warehouse, and an upper single-rail track suspended in the air corresponding to the lower single-rail track. The characteristics are: it also includes a main body column, a main body bottom beam, a fork and a fork bearing assembly, a main body column traveling device installed on the top surface of the middle part of the main body bottom beam, the fork and the fork bearing assembly are slidably installed on the main body column using a sliding device, and it also includes a lifting device for the fork and the fork bearing assembly, and an electrical and electrical control device;

[0005] The fork and the fork bearing assembly include a fork frame, a strip-shaped bearing platform, two clamping and push-pull forks, and conveying rollers. The main body column is fixedly installed on the top surface of the middle part of the main body bottom beam using an inclined support column. The fork frame has two longitudinal bottom beams in the front and rear. The strip-shaped bearing platform is vertically fixedly installed on the top surfaces of the right sides of the two longitudinal bottom beams in the front and rear. The two clamping and push-pull forks are horizontally installed corresponding to the left and right in the front and rear on the top surfaces of the two longitudinal bottom beams in the part to the left of the strip-shaped bearing platform. The right clamping and push-pull fork is fixedly connected to the left vertical surface of the strip-shaped bearing platform using its fixed fork plate. The left clamping and push-pull fork is fixedly connected to the vertical support columns respectively arranged corresponding to the top surfaces of the left ends of the two longitudinal bottom beams in the front and rear using its fixed fork plate. A number of conveying rollers for carrying objects are installed on the fork frame, and the conveying rollers are located between the left and right clamping and push-pull forks;

[0006] The main body bottom beam and the main body column traveling device installed on the top surface of the middle part of the main body bottom beam include a driven wheel set assembly and a driving wheel set assembly installed on the lower guide rail. The driven wheel set assembly includes a driven wheel set, a driven wheel installation box body, and a guide wheel set. The horizontal cross-section of the main body column is square, and the horizontal vertical cross-section of the main body bottom beam is square. The driven wheel set is slidably installed on the top surface of the lower track using a traveling wheel set installation box body. The driven wheel set installation box body is fixedly connected to the left side surface of the main body bottom beam with a square horizontal vertical cross-section using its right side surface and a connecting piece. A guide wheel bracket is fixedly installed on the left side surface of the driven wheel set installation box body. The guide wheel bracket has a part extending downward along the left and right sides of the lower track, and a guide wheel set for clamping both sides of the lower guide rail is installed on it. The driving wheel assembly includes a driving wheel driving reduction motor, a driving wheel set, a driving wheel installation box body, and a guide wheel set. The driving wheel set is slidably installed on the top surface of the lower track using a traveling wheel set installation box body. The driving wheel set installation box body is fixedly connected to the right side surface of the main body bottom beam with a square horizontal vertical cross-section using its left side surface and a connecting piece. A guide wheel bracket is fixedly installed on the right side surface of the driving wheel set installation box body. The guide wheel bracket has a part extending downward along the left and right sides of the lower track, and a guide wheel set for clamping both sides of the lower guide rail is installed on it.

[0007] It also includes a guide wheel set for clamping both sides of the upper guide rail. A strip-shaped top plate is installed on the top surface of the main body column, and guide wheel sets are symmetrically installed in front and behind on both sides of the longitudinal center line of the strip-shaped top plate.

[0008] As a further preference of the present technical solution, the sliding device for slidingly mounting the forklift forks and the forklift fork bearing assembly on the main body column includes 2 pairs of left and right rolling wheels in pairs, 2 pairs of front and rear rolling wheels in pairs, and 2 strip-shaped blocks. The front and rear longitudinal bottom beams respectively have clamping portions that extend out of the bottom surface of the strip-shaped bearing platform and are exposed in the space on the right side of the right vertical surface of the strip-shaped bearing platform. The vertical transverse cross-sections of the clamping portions of the front and rear longitudinal bottom beams are square. The lengths and widths of the 2 strip-shaped blocks are respectively consistent with the lengths and widths of the square clamping portions of the vertical transverse cross-sections of the front and rear longitudinal bottom beams. One end of each of the 2 strip-shaped blocks is horizontally and fixedly mounted on the front and rear sides of the top of the right vertical surface of the strip-shaped bearing platform. The rear vertical surface of the front strip-shaped block and the rear vertical surface of the square clamping portion of the vertical transverse cross-section of the front longitudinal bottom beam are in the same vertical plane. The front vertical surface of the rear strip-shaped block and the front vertical surface of the square clamping portion of the vertical transverse cross-section of the rear longitudinal bottom beam are in the same vertical plane. The longitudinal width between the left and right vertical surfaces of the main body column with a square horizontal cross-section is consistent with the left and right longitudinal lengths of the square clamping portions of the vertical transverse cross-sections of the front and rear longitudinal bottom beams. The transverse width between the front and rear vertical surfaces of the main body column with a square horizontal cross-section is consistent with the transverse length between the corresponding inner vertical surfaces of the square clamping portions of the vertical transverse cross-sections of the front and rear longitudinal bottom beams. On the front and rear vertical surfaces of the main body column with a square horizontal cross-section, 2 left and right vertical grooves that cooperate with 2 pairs of left and right rolling wheels in pairs are respectively arranged at equal intervals. The portions between the 2 left and right vertical grooves on the front and rear vertical surfaces of the main body column with a square horizontal cross-section are respectively vertical protruding strip-shaped blocks that cooperate with 2 pairs of front and rear rolling wheels in pairs.

[0009] A pair of left and right rolling wheels in pairs are respectively mounted in the left vertical grooves on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings. The two pedestal bearings that sequentially mount a pair of left and right rolling wheels by using their rolling wheel shafts are respectively vertically mounted on the outer vertical surfaces of the square clamping portions of the vertical transverse cross-sections of the front longitudinal bottom beam and the rear longitudinal bottom beam close to the strip-shaped bearing platform by using connecting pieces. The pair of left and right rolling wheels in pairs mounted in the left vertical grooves on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings are in rolling clearance contact with the left side wall of the left vertical groove and are not in contact with the right side wall of the left vertical groove.

[0010] Another pair of left and right rolling wheels are respectively installed in the right vertical grooves on the front and rear vertical surfaces of the square-section main body column in a horizontal section, using their rolling wheel shafts and pedestal bearings. The pedestal bearings of the two left and right rolling wheels of another pair are installed on the outer vertical surfaces of the front strip block and the rear strip block away from the strip bearing platform in sequence using their rolling wheel shafts and are vertically installed correspondingly. The another pair of left and right rolling wheels installed in the right vertical grooves on the front and rear vertical surfaces of the square-section main body column in a horizontal section are in rolling clearance contact with the right side wall of the right vertical groove and are not in contact with the left side wall of the right vertical groove;

[0011] A pair of front and rear rolling wheels are respectively installed on the top surfaces of the clamping parts with square vertical cross-sections of the front longitudinal bottom beam and the rear longitudinal bottom beam away from the strip bearing platform, using their rolling wheel shafts and pedestal bearings. The pair of front and rear rolling wheels installed on the top surfaces of the clamping parts with square vertical cross-sections of the front longitudinal bottom beam and the rear longitudinal bottom beam away from the strip bearing platform in sequence using their rolling wheel shafts and pedestal bearings correspond to the vertical protruding strip blocks between the left and right two vertical grooves on the front and rear vertical surfaces of the square-section main body column and are respectively in rolling clearance contact with the outer vertical surfaces of the front and rear two vertical protruding strip blocks;

[0012] Another pair of front and rear rolling wheels are respectively installed on the top surfaces of the front strip block and the rear strip block close to the strip bearing platform, using their rolling wheel shafts and pedestal bearings. The another pair of front and rear rolling wheels installed on the top surfaces of the front strip block and the rear strip block close to the strip bearing platform in sequence using their rolling wheel shafts and pedestal bearings correspond to the vertical protruding strip blocks between the left and right two vertical grooves on the front and rear vertical surfaces of the square-section main body column and are respectively in rolling clearance contact with the outer vertical surfaces of the front and rear two vertical protruding strip blocks.

[0013] As a further preference of this technical solution, the fork and fork load-bearing assembly lifting device includes a lifting reduction motor, a synchronous belt, and a fixed pulley. The main beam with a square cross-section in the horizontal and vertical directions is a hollow main beam with a square cross-section in the horizontal and vertical directions. The lifting reduction motor is installed on the outer surface of the hollow main beam with a square cross-section in the horizontal and vertical directions near the left side elevation of the main column with a square cross-section in the horizontal plane using a mounting seat. A pulley is installed on the part of the output shaft of the lifting reduction motor extending into the hollow cavity of the hollow main beam with a square cross-section in the horizontal and vertical directions using a pedestal bearing. A strip-shaped hole for installing the synchronous belt is provided on the top wall of the hollow main beam with a square cross-section in the horizontal and vertical directions corresponding to the pulley on the output shaft of the lifting reduction motor. The fixed pulley is installed on the left side elevation of the top of the main column with a square cross-section in the horizontal plane near the strip-shaped top plate using a fixed pulley mounting bracket and a connecting piece. The fixed pulley installed on the left side elevation of the top of the main column with a square cross-section in the horizontal plane near the strip-shaped top plate corresponds to the pulley installed on the output shaft of the lifting reduction motor. One end of the synchronous belt is fixedly connected to the top surface of the strip-shaped bearing platform using a connecting piece, and the other end passes through the fixed pulley on the upper side of the fixed pulley and passes through the pulley on the lower side of the pulley of the output shaft of the lifting reduction motor and is fixedly connected to the bottom surface of the strip-shaped bearing platform using a connecting piece to realize the belt rotation connection between the synchronous belt and the fixed pulley and the pulley of the output shaft of the lifting reduction motor.

[0014] As a further preference of this technical solution, the clamping and push-pull type fork includes a fixed fork plate, an intermediate fork plate, an inner fork plate, a driving gear, a driving motor (not shown in the specification drawings), and a chain. Guide wheels are sequentially installed on the inner side elevation of the fixed fork plate using connecting pieces. The driving gear is driven by the driving motor, and the driving gear meshes with the rack provided on the intermediate fork plate, which can drive the rack to move. Through the movement of the rack, the intermediate fork plate moves forward and backward relative to the fixed fork plate; Guide wheels are sequentially installed on the inner side elevation of the intermediate fork plate using connecting pieces, and guide wheels are sequentially installed on the corresponding elevation of the inner fork plate relative to the intermediate fork plate. One end of the chain is fixed on the fixed fork plate, and the other end is fixed on the inner fork plate, and it bypasses the guide wheel provided on the intermediate fork plate in the middle. The inner fork plate can move forward and backward relative to the intermediate fork plate, and a rotating stop rod is rotatably installed at the front end of the inner fork plate.

[0015] The driven wheel set, the driven wheel installation box body, and the guide wheel set are all prior arts. The driving wheel driving reduction motor, the driving wheel set, the driving wheel installation box body, and the guide wheel set are all prior arts. The clamping and push-pull type fork and its installation are all prior arts. The electrical appliances and the electrical control device both adopt prior arts, and the electrical appliances and the electrical control device are controlled by a PLC control system and adopt prior arts.

[0016] The beneficial effects of the present utility model are as follows: Since the present utility model is provided with a lower single-rail track installed on the steel-concrete platform of the stereoscopic warehouse, an upper single-rail track suspended in the air corresponding to the lower single-rail track, a main body column, a main body bottom beam, a forklift and a forklift bearing assembly. The forklift and the forklift bearing assembly include a forklift rack, a strip-shaped bearing platform, two clamping and push-pull forklifts, and conveying rollers. A main body bottom beam and a main body column traveling device installed on the top surface of the middle part of the main body bottom beam are also provided. The forklift and the forklift bearing assembly are slidably installed on the main body column by using a sliding device. A forklift and forklift bearing assembly lifting device, an electrical appliance and an electrical control device are also provided. The electrical appliance and the electrical control device are composed of a PLC control system. The main body bottom beam and the main body column traveling device installed on the top surface of the middle part of the main body bottom beam include a driven wheel group assembly installed on the lower guide rail, a driving wheel group assembly, and also include a guide wheel group clamped on both sides of the upper guide rail. A strip-shaped top plate is installed on the top surface of the main body column. Guide wheel groups are symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate. The guide wheel groups symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate can clamp both sides of the upper guide rail. The sliding device used for the forklift and the forklift bearing assembly to be slidably installed on the main body column includes 2 pairs of left and right rolling wheels in pairs, 2 pairs of front and rear rolling wheels in pairs, and 2 strip-shaped blocks. The forklift and forklift bearing assembly lifting device includes a lifting reduction motor, a synchronous belt, and a fixed pulley. When the lifting reduction motor rotates forward, the forklift and the forklift bearing assembly can be lifted. When the lifting reduction motor rotates in the reverse direction, the forklift and the forklift bearing assembly can be lowered. The stacker of the present utility model meets the storage requirements of small batches of light-load materials. The stacker of the present utility model has an optimized structure, flexible operation, reduced volume, and reduced manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0018] Figure 1 is the structural diagram of the present utility model;

[0019] Figure 2 is the perspective view of the present utility model;

[0020] Figure 3 is the top view of the square main body column and part of the forklift and forklift bearing assembly of the present utility model with a horizontal cross-section;

[0021] Figure 4 is the perspective view of the present utility model in the use state;

[0022] Figure 5 、 Figure 6 is the schematic diagram of the forklift and forklift bearing assembly and the sliding device used for the forklift and forklift bearing assembly to be slidably installed on the main body column of the present utility model;

[0023] Figure 7 、Figure 8 It is a schematic diagram of the clamping and pushing-pull type fork of the utility model;

[0024] In the attached drawings: 1. lower monorail track, 2. upper monorail track, 3. strip bearing platform, 4. clamping push-pull fork, 5. longitudinal bottom beam, 41. fixed fork plate, 6. vertical support column, 7. driven wheel mounting box, 8. guide wheel group, 9. main body bottom beam with square vertical cross section, 10. main body column with square horizontal cross section, 11. driving wheel driving reduction motor, 12. driving wheel mounting box, 13. strip top plate, 14. paired left and right rolling wheels, 15. paired front and rear rolling wheels, 51. clamping part, 16. strip block, 101. left vertical groove, 102. right vertical groove, 103. vertical protruding strip block, 17. lifting reduction motor, 18. synchronous belt, 19. fixed pulley, 42. middle fork plate, 43. inner fork plate, 44. driving gear, 45. guide wheel, 46. rotating gear lever, 47. chain. DETAILED DESCRIPTION

[0025] The following will be combined with the attached embodiment of the utility model Figure 1-8 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1-8 As shown, a stacker includes a lower monorail track 1 installed on a steel-concrete platform of a stereoscopic warehouse, an upper monorail track 2 suspended in the air corresponding to the lower monorail track 1, and also includes a main column, a main bottom beam, a fork and a fork bearing assembly, the fork and the fork bearing assembly include a fork frame, a strip bearing platform 3, two clamping push-pull type forks 4, and a conveying roller. The main column is fixedly installed on the top surface of the middle part of the main bottom beam using an inclined support column, and the fork frame has two front and rear longitudinal bottom beams 5 (the observer faces the appendix of the utility model specification) Figure 2 The side close to the observer is the front longitudinal bottom beam, and the side away from the observer is the rear longitudinal bottom beam), the strip-shaped bearing platform 3 is vertically fixedly installed on the top surface of the right side of the front and rear longitudinal bottom beams 5, and the two clamping push-pull type forks are horizontally installed on the left and right correspondingly, and the front and rear longitudinal bottom beams are located on the top surface of the left part of the strip-shaped bearing platform 3 (the observer faces the attachment of the utility model specification Figure 2, on the left side of the observer is the left side of the strip-shaped bearing platform, and on the right side of the observer is the right side of the strip-shaped bearing platform). The right clamping and pushing fork 4 uses its fixed fork plate 41 to be fixedly connected to the left vertical surface of the strip-shaped bearing platform 3. The left clamping and pushing fork 4 uses its fixed fork plate 41 to be fixedly connected to the vertical support columns 6 respectively arranged corresponding to the top surfaces of the left ends of the front and rear two longitudinal bottom beams 5. A number of conveying rollers for carrying objects (not shown in the attached drawings of the specification) are installed on the forklift rack, and the conveying rollers are located between the left and right clamping and pushing forks; it also includes a main body bottom beam and a main body column walking device installed on the top surface of the middle part of the main body bottom beam. The forklift and the forklift bearing assembly are slidably installed on the main body column by using a sliding device. It also includes a forklift and a forklift bearing assembly lifting device, an electrical appliance and an electrical control device.

[0027] The main body column walking device installed on the top surface of the middle part of the main body bottom beam includes a driven wheel group assembly, a driving wheel group assembly installed on the lower guide rail 1. The driven wheel group assembly includes a driven wheel group (not shown in the attached drawings of the specification), a driven wheel installation box body 7, and a guide wheel group 8. The horizontal cross-section of the main body column is square, and the horizontal vertical cross-section of the main body bottom beam is square. The driven wheel group is slidably installed on the top surface of the lower track 1 by using the walking wheel group installation box body 7. The driven wheel group installation box body 7 is fixedly connected to the left vertical surface of the main body bottom beam 9 with a horizontal vertical cross-section by using its right vertical surface and a connecting piece. A guide wheel bracket is fixedly installed on the left vertical surface of the driven wheel group installation box body 7, and the guide wheel group 8 that clamps both sides of the lower guide rail 1 is installed on the parts extending downward along the left and right sides of the lower guide rail 1 of the guide wheel bracket; the driving wheel assembly includes a driving wheel driving reduction motor 11, a driving wheel group (not shown in the attached drawings of the specification), a driving wheel installation box body 12, and a guide wheel group. The driving wheel group is slidably installed on the top surface of the lower track 1 by using the driving wheel group installation box body 12. The driving wheel group installation box body 12 is fixedly connected to the right vertical surface of the main body bottom beam 9 with a horizontal vertical cross-section by using its left vertical surface and a connecting piece. A guide wheel bracket is fixedly installed on the right vertical surface of the driving wheel group installation box body 12, and the guide wheel group 8 that clamps both sides of the lower guide rail 1 is installed on the parts extending downward along the left and right sides of the lower guide rail 1 of the guide wheel bracket; the driven wheel group assembly and the driving wheel group assembly of the main body bottom beam and the main body column walking device installed on the top surface of the middle part of the main body bottom beam realize the horizontal movement of the stacker of the present invention along the lower guide rail 1.

[0028] It also includes a guide wheel group 8 clamped on both sides of the upper guide rail 2. The top surface of the main body column is installed with a strip-shaped top plate 13. Guide wheel groups 8 are symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate 13. The guide wheel groups 8 symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate 13 can realize the clamping of both sides of the upper guide rail 2; the guide wheel groups 8 symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate 13 realize the straight-line movement of the stacker of the present invention in the horizontal direction along the upper guide rail 2 and the lower guide rail 1.

[0029] In a preferred embodiment, as Figure 1-8 shown, the sliding device for the fork and the fork bearing assembly to be slidably mounted on the main body column includes 2 pairs of left and right rolling wheels 14, 2 pairs of front and rear rolling wheels 15, and 2 strip-shaped blocks 16. The front and rear longitudinal bottom beams 5 each have a clamping portion 51 that extends out of the lower bottom surface of the strip-shaped bearing platform 3 and is exposed in the space on the right side of the right vertical surface of the strip-shaped bearing platform 3. The vertical transverse cross-section of the clamping portions 51 of the front and rear longitudinal bottom beams is square. The lengths and widths of the 2 strip-shaped blocks 16 are respectively consistent with those of the clamping portions 51 with square vertical transverse cross-sections of the front and rear longitudinal bottom beams. One end of each of the 2 strip-shaped blocks 16 is horizontally fixedly mounted on the front and rear sides of the top of the right vertical surface of the strip-shaped bearing platform 3. The rear vertical surface of the front strip-shaped block 16 and the rear vertical surface of the clamping portion 51 with a square vertical transverse cross-section of the front longitudinal bottom beam are in the same vertical plane. The front vertical surface of the rear strip-shaped block 16 and the front vertical surface of the clamping portion 51 with a square vertical transverse cross-section of the rear longitudinal bottom beam are in the same vertical plane; the longitudinal width between the left and right vertical surfaces of the main body column 10 with a square horizontal cross-section is consistent with the left and right longitudinal lengths of the clamping portions 51 with square vertical transverse cross-sections of the front and rear longitudinal bottom beams. The transverse width between the front and rear vertical surfaces of the main body column 10 with a square horizontal cross-section is consistent with the transverse length between the corresponding inner vertical surfaces of the clamping portions 51 with square vertical transverse cross-sections of the front and rear longitudinal bottom beams. On the front and rear vertical surfaces of the main body column 10 with a square horizontal cross-section, 2 left and right vertical grooves that cooperate with the 2 pairs of left and right rolling wheels 14 are correspondingly arranged at equal intervals. The portions between the 2 left and right vertical grooves on the front and rear vertical surfaces of the main body column 14 with a square horizontal cross-section are respectively vertical protruding strip-shaped blocks 103 that cooperate with the 2 pairs of front and rear rolling wheels 15;

[0030] A pair of left and right rolling wheels 14 are correspondingly mounted in the left vertical grooves 101 on the front and rear vertical surfaces of the main body column 10 with a square horizontal cross-section respectively using their rolling wheel shafts and pedestal bearings. The two pedestal bearings that sequentially mount a pair of left and right rolling wheels using their rolling wheel shafts are respectively vertically mounted on the outer vertical surfaces of the clamping portions 51 with square vertical transverse cross-sections of the front longitudinal bottom beam and the rear longitudinal bottom beam close to the strip-shaped bearing platform 3 using connecting members. The pair of left and right rolling wheels 14 mounted in the left vertical grooves 101 on the front and rear vertical surfaces of the main body column with a square horizontal cross-section using their rolling wheel shafts and pedestal bearings are in rolling clearance contact with the left side wall of the left vertical groove 101 and are not in contact with the right side wall of the left vertical groove 101;

[0031] Another pair of paired left and right rolling wheels 14 are respectively installed in the right vertical grooves 102 on the front and rear vertical surfaces of the square main body column 10 with a horizontal cross-section, using their rolling wheel shafts and pedestal bearings. The two pedestal bearings for installing another pair of paired left and right rolling wheels in sequence using their rolling wheel shafts are respectively installed vertically on the outer vertical surfaces of the front strip 16 and the rear strip 16 away from the strip bearing platform 3 using connecting parts. Another pair of paired left and right rolling wheels 14 installed in the right vertical grooves 102 on the front and rear vertical surfaces of the square main body column 10 with a horizontal cross-section are in rolling clearance contact with the right side wall of the right vertical groove 102 and not in contact with the left side wall of the right vertical groove 102;

[0032] A pair of paired front and rear rolling wheels 15 are respectively installed on the top surfaces of the clamping parts 51 with a square vertical cross-section of the front longitudinal bottom beam and the clamping parts 51 with a square vertical cross-section of the rear longitudinal bottom beam away from the strip bearing platform 3, using their rolling wheel shafts and pedestal bearings. A pair of paired front and rear rolling wheels 15 installed on the top surfaces of the clamping parts 51 with a square vertical cross-section of the front longitudinal bottom beam and the clamping parts 51 with a square vertical cross-section of the rear longitudinal bottom beam away from the strip bearing platform 3 in sequence using their rolling wheel shafts and pedestal bearings correspond to the vertical protruding strip 103 between the left and right two vertical grooves on the front and rear vertical surfaces of the square main body column 10 and are respectively in rolling clearance contact with the outer vertical surfaces of the front and rear two vertical protruding strips 103;

[0033] Another pair of paired front and rear rolling wheels 15 are respectively installed on the top surfaces of the front strip 16 and the rear strip 16 close to the strip bearing platform 3, using their rolling wheel shafts and pedestal bearings. Another pair of paired front and rear rolling wheels 15 installed on the top surfaces of the front strip 16 and the rear strip 16 close to the strip bearing platform 3 in sequence using their rolling wheel shafts and pedestal bearings correspond to the vertical protruding strip 103 between the left and right two vertical grooves on the front and rear vertical surfaces of the square main body column 10 and are respectively in rolling clearance contact with the outer vertical surfaces of the front and rear two vertical protruding strips 103. The setting of the 2 pairs of paired left and right rolling wheels 14 and the 2 pairs of paired front and rear rolling wheels 15 realizes the up and down rolling movement of the forklift forks and the forklift fork bearing assembly along the square main body column 10 with a horizontal cross-section.

[0034] In a preferred embodiment, such as Figure 1 、 Figure 2 、 Figure 4As shown in the figure, the lifting device for the fork and the fork load-bearing assembly includes a lifting reduction motor 17, a synchronous belt 18, and a fixed pulley 19. The main body bottom beam 9 with a square cross-section in the horizontal and vertical directions is a hollow main body bottom beam with a square cross-section in the horizontal and vertical directions. The lifting reduction motor 17 is installed on the outer vertical surface of the hollow main body bottom beam with a square cross-section in the horizontal and vertical directions near the left vertical surface of the main body column 10 with a square cross-section in the horizontal direction by using a mounting seat. The part of the output shaft of the lifting reduction motor 17 extending into the hollow cavity of the hollow main body bottom beam with a square cross-section in the horizontal and vertical directions is installed with a pulley by using a bearing with a seat. A strip-shaped hole for installing the synchronous belt 18 is provided on the top wall of the hollow main body bottom beam with a square cross-section in the horizontal and vertical directions corresponding to the pulley on the output shaft of the lifting reduction motor 17. The fixed pulley 19 is installed on the left vertical surface of the top of the main body column 10 with a square cross-section in the horizontal direction near the strip-shaped top plate 13 by using a fixed pulley mounting bracket and a connecting piece. The fixed pulley 19 installed on the left vertical surface of the top of the main body column 10 with a square cross-section in the horizontal direction near the strip-shaped top plate 13 corresponds to the pulley installed on the output shaft of the lifting reduction motor 17. One end of the synchronous belt 18 is fixedly connected to the top surface of the strip-shaped bearing platform 3 by using a connecting piece, and the other end passes through the fixed pulley 19 on the upper side of the fixed pulley in sequence and passes through the pulley on the lower side of the pulley on the output shaft of the lifting reduction motor 17 and is fixedly connected to the bottom surface of the strip-shaped bearing platform 3 by using a connecting piece to realize the belt rotation connection between the synchronous belt 18 and the fixed pulley 19 and the pulley on the output shaft of the lifting reduction motor 17. When the lifting reduction motor 17 rotates forward, the fork and the fork load-bearing assembly can be lifted. When the lifting reduction motor 17 rotates reversely, the fork and the fork load-bearing assembly can be lowered.

[0035] As Figure 8 shown, the clamping and push-pull type fork includes a fixed fork plate 41, an intermediate fork plate 42, an inner fork plate 43, a driving gear 44, a driving motor (not shown in the specification drawings), and a chain. Guide wheels 45 are sequentially installed on the inner vertical surface of the fixed fork plate 41 by using connecting pieces. The driving gear 44 is driven by the driving motor. The driving gear 44 meshes with the rack provided on the intermediate fork plate 42 and can drive the rack to move. Through the movement of the rack, the intermediate fork plate 42 moves forward and backward relative to the fixed fork plate 41. Guide wheels 45 are sequentially installed on the inner vertical surface of the intermediate fork plate 42 by using connecting pieces. Guide wheels 45 are sequentially installed on the corresponding vertical surface of the inner fork plate 43 relative to the intermediate fork plate 42 by using connecting pieces. One end of the chain 47 is fixed on the fixed fork plate 41 and the other end is fixed on the inner fork plate 43, and it bypasses the guide wheel provided on the intermediate fork plate 42 in the middle. The inner fork plate 43 can move forward and backward relative to the intermediate fork plate 42, and a rotating stop rod 46 is rotatably installed at the front end of the inner fork plate 43.

[0036] Through the above description, those skilled in the art can make various changes and modifications within the scope not deviating from the technical idea of the present invention, and all are within the protection scope of the present utility model. The matters not covered by the present utility model belong to the common general knowledge of those skilled in the art.

Claims

1. A stacker, comprising a lower single-rail track installed on the reinforced concrete floor of a stereoscopic warehouse, and an upper single-rail track suspended in the air corresponding to the lower single-rail track, characterized in that: It also includes a main body column, a main body bottom beam, a fork and a fork bearing assembly, a main body bottom beam and a main body column traveling device installed on the top surface of the middle part of the main body bottom beam. The fork and the fork bearing assembly are slidably installed on the main body column using a sliding device. It also includes a fork and a fork bearing assembly lifting device, an electrical appliance and an electrical control device; The fork and the fork bearing assembly include a fork frame, a strip-shaped bearing table, two clamping and push-pull forks, and conveying rollers. The main body column is fixedly installed on the top surface of the middle part of the main body bottom beam using an inclined support column. The fork frame has two longitudinal bottom beams at the front and rear. The strip-shaped bearing table is vertically fixedly installed on the top surfaces of the right sides of the two longitudinal bottom beams at the front and rear. The two clamping and push-pull forks are horizontally installed corresponding to the left and right, front and rear, on the top surfaces of the two longitudinal bottom beams at the left side of the strip-shaped bearing table. The right clamping and push-pull fork is fixedly connected to the left side surface of the strip-shaped bearing table using its fixed fork plate. The left clamping and push-pull fork is fixedly connected to the vertical support columns respectively arranged corresponding to the top surfaces of the left ends of the two longitudinal bottom beams at the front and rear using its fixed fork plate. A number of conveying rollers for carrying objects are installed on the fork frame, and the conveying rollers are located between the left and right clamping and push-pull forks; The main body bottom beam and the main body column traveling device installed on the top surface of the middle part of the main body bottom beam include a driven wheel group assembly installed on the lower guide rail, a driving wheel group assembly. The driven wheel group assembly includes a driven wheel group, a driven wheel installation box body, and a guide wheel group. The horizontal cross-section of the main body column is square, and the horizontal vertical cross-section of the main body bottom beam is square. The driven wheel group is slidably installed on the top surface of the lower track using a traveling wheel group installation box body. The driven wheel installation box body is fixedly connected to the left side surface of the main body bottom beam with a horizontal vertical cross-section of square using its right side surface and a connecting piece. A guide wheel bracket is fixedly installed on the left side surface of the driven wheel installation box body. Guide wheel groups for clamping both sides of the lower guide rail are installed on the parts of the guide wheel bracket extending downward along the left and right sides of the lower guide rail; The driving wheel assembly includes a driving wheel driving reduction motor, a driving wheel group, a driving wheel installation box body, and a guide wheel group. The driving wheel group is slidably installed on the top surface of the lower track using a traveling wheel group installation box body. The driving wheel installation box body is fixedly connected to the right side surface of the main body bottom beam with a horizontal vertical cross-section of square using its left side surface and a connecting piece. A guide wheel bracket is fixedly installed on the right side surface of the driving wheel installation box body. Guide wheel groups for clamping both sides of the lower guide rail are installed on the parts of the guide wheel bracket extending downward along the left and right sides of the lower guide rail; It also includes guide wheel groups for clamping both sides of the upper guide rail. A strip-shaped top plate is installed on the top surface of the main body column, and guide wheel groups are symmetrically installed in the front and rear on both sides of the longitudinal center line of the strip-shaped top plate.

2. The stacker according to claim 1, characterized in that: The sliding device for the fork and the fork bearing assembly to be slidably mounted on the main body column includes 2 pairs of left and right rolling wheels in pairs, 2 pairs of front and rear rolling wheels in pairs, and 2 strip-shaped blocks. The front and rear longitudinal bottom beams respectively have clamping portions that extend out of the bottom surface of the strip-shaped bearing platform and are exposed in the space on the right side of the right vertical surface of the strip-shaped bearing platform. The vertical transverse cross-section of the clamping portions of the front and rear longitudinal bottom beams is square. The 2 strip-shaped blocks are horizontally and fixedly mounted at the front and rear sides of the top of the right vertical surface of the strip-shaped bearing platform with one end thereof; on the front and rear vertical surfaces of the main body column with a square horizontal cross-section, 2 vertical grooves on the left and right corresponding to the 2 pairs of left and right rolling wheels in pairs are respectively provided at equal intervals, and the portions between the 2 vertical grooves on the left and right of the front and rear vertical surfaces of the main body column with a square horizontal cross-section are respectively vertical protruding strip-shaped blocks that cooperate with the 2 pairs of front and rear rolling wheels in pairs. A pair of left and right rolling wheels in pairs are respectively mounted in the left vertical groove on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings. The two pedestal bearings that sequentially mount a pair of left and right rolling wheels in pairs by using their rolling wheel shafts are respectively vertically mounted on the outer vertical surfaces of the clamping portions with a square vertical transverse cross-section of the front longitudinal bottom beam and the clamping portions with a square vertical transverse cross-section of the rear longitudinal bottom beam close to the strip-shaped bearing platform by using connecting members. The pair of left and right rolling wheels in pairs that are respectively mounted in the left vertical groove on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings are in rolling clearance contact with the left side wall of the left vertical groove and are not in contact with the right side wall of the left vertical groove. The other pair of left and right rolling wheels in pairs are respectively mounted in the right vertical groove on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings. The two pedestal bearings that sequentially mount the other pair of left and right rolling wheels in pairs by using their rolling wheel shafts are respectively vertically mounted on the outer vertical surfaces of the front strip-shaped block and the rear strip-shaped block away from the strip-shaped bearing platform by using connecting members. The other pair of left and right rolling wheels in pairs that are respectively mounted in the right vertical groove on the front and rear vertical surfaces of the main body column with a square horizontal cross-section by using their rolling wheel shafts and pedestal bearings are in rolling clearance contact with the right side wall of the right vertical groove and are not in contact with the left side wall of the right vertical groove. A pair of front and rear rolling wheels in pairs are respectively mounted on the top surfaces of the clamping portions with a square vertical transverse cross-section of the front longitudinal bottom beam and the clamping portions with a square vertical transverse cross-section of the rear longitudinal bottom beam away from the strip-shaped bearing platform by using their rolling wheel shafts and pedestal bearings. The pair of front and rear rolling wheels in pairs that are sequentially mounted on the top surfaces of the clamping portions with a square vertical transverse cross-section of the front longitudinal bottom beam and the clamping portions with a square vertical transverse cross-section of the rear longitudinal bottom beam away from the strip-shaped bearing platform by using their rolling wheel shafts and pedestal bearings correspond to the vertical protruding strip-shaped blocks between the 2 vertical grooves on the left and right of the front and rear vertical surfaces of the main body column with a square horizontal cross-section and are respectively in rolling clearance contact with the outer vertical surfaces of the front and rear two vertical protruding strip-shaped blocks. Another pair of paired front and rear rolling wheels are respectively installed on the top surfaces of the front strip block and the rear strip block close to one side of the strip bearing platform by using their rolling wheel shafts and pedestal bearings. Another pair of paired front and rear rolling wheels installed on the top surfaces of the front strip block and the rear strip block close to one side of the strip bearing platform by using their rolling wheel shafts and pedestal bearings in sequence correspond to the vertical protruding strip blocks between the left and right two vertical grooves on the front and rear two vertical surfaces of the main column with a square horizontal cross-section and are respectively in rolling clearance contact with the outer surfaces of the front and rear two vertical protruding strip blocks.

3. The stacker according to claim 1, characterized in that: The fork and fork bearing assembly lifting device includes a lifting reduction motor, a synchronous belt, and a fixed pulley. The main bottom beam with a square horizontal and vertical cross-section is a hollow main bottom beam with a square horizontal and vertical cross-section. The lifting reduction motor is installed on the outer surface of the hollow main bottom beam with a square horizontal and vertical cross-section close to the left vertical surface of the main column with a square horizontal cross-section by using a mounting seat. A pulley is installed on the part of the output shaft of the lifting reduction motor extending into the hollow cavity of the hollow main bottom beam with a square horizontal and vertical cross-section by using a pedestal bearing. A strip hole for installing the synchronous belt is provided on the top wall of the hollow main bottom beam with a square horizontal and vertical cross-section corresponding to the pulley of the output shaft of the lifting reduction motor. The fixed pulley is installed on the left vertical surface of the top of the main column with a square horizontal cross-section close to the strip top plate by using a fixed pulley mounting bracket and a connecting piece. One end of the synchronous belt is fixedly connected to the top surface of the strip bearing platform by using a connecting piece, and the other end passes through the fixed pulley on the upper side of the fixed pulley and passes through the pulley on the lower side of the output shaft pulley of the lifting reduction motor and is fixedly connected to the bottom surface of the strip bearing platform by using a connecting piece to realize the belt rotation connection between the synchronous belt and the fixed pulley and the output shaft pulley of the lifting reduction motor.

4. A stacker according to any one of claims 1-3, characterized in that: The clamping, pushing, and pulling type fork includes a fixed fork plate, an intermediate fork plate, an inner fork plate, a driving gear, a driving motor, and a chain. Guide wheels are sequentially installed on the inner vertical surface of the fixed fork plate by using connecting pieces. The driving gear is driven by the driving motor, and the driving gear meshes with the rack provided on the intermediate fork plate and can drive the rack to move. Through the movement of the rack, the intermediate fork plate moves forward and backward relative to the fixed fork plate; guide wheels are sequentially installed on the inner vertical surface of the intermediate fork plate by using connecting pieces, and guide wheels are sequentially installed on the corresponding vertical surface of the inner fork plate by using connecting pieces. One end of the chain is fixed on the fixed fork plate, and the other end is fixed on the inner fork plate, and passes around the guide wheel provided on the intermediate fork plate in the middle. The inner fork plate can move forward and backward relative to the intermediate fork plate, and a rotating shift lever is rotatably installed at the front end of the inner fork plate.

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