Lifting platform for mounting gear ring of segmented gear

Abstract

The utility model relates to the technical field of gear ring installation, and discloses a lifting platform for installing a segmented gear ring, which comprises a gear ring, the gear ring consists of a plurality of segments of sub gear rings, a plurality of lifting platform structures are arranged at the bottom end of the gear ring at intervals, and each lifting platform structure comprises a first lifting seat, a second lifting seat, a first hand wheel, a second hand wheel and a frame structure, the frame structure comprises an upper frame structure and a lower frame structure, the upper frame structure is fixed to the upper end of the lower frame structure, the first lifting seat and the second lifting seat are both arranged on the lower frame structure, the first lifting seat is arranged at the upper end of the first lifting mechanism in a liftable mode, and the second lifting seat is arranged at the upper end of the second lifting mechanism in a liftable mode. The first hand wheel and the second hand wheel are arranged on the front side and the rear side of the lower frame structure respectively. According to the utility model, the leveling and supporting use of the segmented gear ring at different heights can be met, and the leveling and assembly of the large-diameter segmented gear ring can be better realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear ring installation technical field especially relates to a subsection gear gear ring installation is with elevating platform. BACKGROUND

[0002] The diameter of super large diameter gear (or gear ring) is usually greater than 6 meters, and is widely applied in mechanical industry, such as super large gear ring can be seen on large equipment such as ball mill, rotary kiln.Because the processing, transportation and installation of super large gear are inconvenient, the industry usually adopts sectional design, that is, one entire gear ring is divided into several single-section gear rings, and is assembled in later period.The installation of large-diameter sectional gear ring requires high splicing precision, and in the prior art, ordinary elevating platform is mainly used for supporting installation, and the leveling and supporting operation of large-diameter sectional gear ring is not convenient enough, which limits the assembly efficiency. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the defects of the prior art, the utility model aims at providing a sectional gear ring installation elevating platform different from the prior art, which can satisfy the leveling and supporting use of sectional gear ring at different heights, and better realize the leveling and assembly of large-diameter sectional gear ring.

[0004] The utility model adopts the following technical scheme: a sectional gear ring installation elevating platform, comprising a gear ring, the gear ring is composed of multiple sub gear rings, multiple elevating platform structures are arranged at the bottom end of the gear ring at intervals, the elevating platform structure comprises a first elevating seat, a second elevating seat, a first hand wheel, a second hand wheel and a frame structure, the frame structure comprises an upper frame structure and a lower frame structure, the upper frame structure is fixed at the upper end of the lower frame structure, the first elevating seat and the second elevating seat are arranged on the lower frame structure, the first elevating seat is arranged on the upper end of the first elevating mechanism in a elevating mode, the second elevating seat is arranged on the upper end of the second elevating mechanism in a elevating mode, the first hand wheel and the second hand wheel are arranged on the front and back sides of the lower frame structure respectively, and the first hand wheel and the second hand wheel are used for adjusting the elevating of the first elevating mechanism and the second elevating mechanism respectively.

[0005] Further, the lower frame structure comprises a lower frame body, an elevator mounting plate, a threaded sleeve, a mounting table and a support frame, the four ends of the lower frame body are respectively provided with threaded sleeves, four mounting tables are symmetrically arranged in the lower frame body, the elevator mounting plate is fixed at the front end center of the lower frame body, and the support frame is connected to the front and back sides of the bottom end of the lower frame body.

[0006] Further, the first elevating mechanism comprises a first worm gear screw rod elevator, which is fixed at the upper end of the elevator mounting plate.

[0007] Further, the second lifting mechanism comprises a second worm screw lifter.

[0008] Further, the second lifting mechanism further comprises a slide rail, a driving gear shaft, a driven gear, a driving gear, a bearing seat and a sliding block, the slide rail is fixed at the upper end of the support frame, the sliding block is fixed at the bottom end of the second worm screw lifter, the sliding block is installed at the upper end of the slide rail through sliding fit, the driven gear is connected with the driving end of the second worm screw lifter, the bearing seat is fixed at both ends of the lower frame body, the driving gear shaft is rotatably installed between the two bearing seats, the driving gear is sleeved and installed on the driving gear shaft, the driving gear is engaged with the driven gear for transmission, and the second hand wheel is fixed at one end of the driving gear shaft.

[0009] Further, the mounting table is fixed with a hand-operated screw pulley lifter, the hand-operated screw pulley lifter is fixed with front roller mounting plates at the bottom end, the front roller mounting plates are fixedly connected through connecting rods, the hand-operated screw pulley lifter is vertically provided with a pulley screw in the center, the bottom end of the pulley screw is fixedly connected with the upper end of a pulley, the pulley is located below the front roller mounting plates, and the hand-operated screw pulley lifter is provided with a pulley lifting driving mechanism outside.

[0010] Further, the pulley lifting driving mechanism comprises a pulley lifting hand wheel, a pulley transmission shaft, a shaft coupling, a toothed chain wheel and a chain, one toothed chain wheel is fixed at the driving end of each hand-operated screw pulley lifter, one chain is sleeved outside the two toothed chain wheels located on the left and right sides, the two toothed chain wheels located at the front end are connected through the pulley transmission shaft, the pulley transmission shaft is provided with the shaft coupling, and the pulley lifting hand wheel is coaxially connected with one of the toothed chain wheels.

[0011] Further, the bottom end of the lower frame structure is provided with four foot bases.

[0012] Further, the upper end of the foot base is provided with a foot torsion rod, the foot torsion rod is installed in the threaded sleeve through threaded cooperation, and the top end of the foot torsion rod is provided with a third hand wheel.

[0013] Further, the frame structure is fixed with a guard plate on the front side, the rear side, the left side and the right side, the frame structure is fixed with a table plate at the top end, and the table plate is provided with a table plate through slot.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] 1. The utility model relates to a lifting platform for segmented gear ring installation, by rotating the first hand wheel, the second hand wheel adjusts the lifting of first lifting mechanism, second lifting mechanism respectively, makes it drive first lifting seat, second lifting seat vertical lifting, supports the large diameter segmented gear ring. Still can pass through the rotation four third hand wheels, adjusts the height of four foot stands respectively, adjusts four end heights on the lifting platform respectively, satisfies the leveling support use of segmented gear ring different height, better realizes the leveling and assembly of large diameter segmented gear ring.

[0016] 2. The utility model relates to a lifting platform for segmented gear ring installation, by rotating the pulley lifting hand wheel, utilizes the transmission of sprocket wheel, chain, drives sprocket wheel rotation to four hand -operated screw rod pulley elevator drive pulley screw vertical lifting movement, makes the pulley vertical lifting, can prop up its upper structure, utilizes pulley and moves the lifting platform for installation.

[0017] 3. The utility model relates to a lifting platform for segmented gear ring installation, second worm screw rod elevator can according to need utilize the back and forth movement of sliding block on slide rail, make the distance between first lifting seat, second lifting seat can be adjusted, more flexible use. DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model for large diameter segmented gear ring leveling assembly time;

[0019] Figure 2 It is the structural schematic diagram of the lifting platform structure in the utility model;

[0020] Figure 3 It is the plan view of the lifting platform structure in the utility model;

[0021] Figure 4 It is the structural schematic diagram of the lifting platform structure in the utility model after removing the guard plate, table board;

[0022] Figure 5 It is the structural schematic diagram of the lower frame structure in the utility model;

[0023] Figure 6 It is the structural schematic diagram of the lifting platform structure after removing the guard plate, table board, upper frame structure;

[0024] Figure 7 It is the structural schematic diagram of the lifting platform structure after removing the guard plate, table board, frame structure.

[0025] In the diagram: Lifting platform structure-1; Gear ring-10; Guard plate-11; Tabletop-12; Tabletop through groove-121; Foot base-13; Upper frame structure-14; Lower frame structure-15; Lower frame body-151; Lifting machine mounting plate-152; Threaded sleeve-153; Mounting platform-154; Support frame-155; First lifting seat-21; First handwheel-23; First worm gear screw jack-24; Third handwheel-25; Anchor torsion bar-26; Pulley lift Lowering handwheel-30; Pulley screw-31; Pulley drive shaft-32; Coupling-33; Gear sprocket-34; Chain-35; Pulley-36; Hand-cranked screw pulley jack-37; Front roller mounting plate-38; Connecting rod-39; Second handwheel-40; Slide rail-41; Drive gear shaft-42; Driven gear-43; Drive gear-44; Bearing seat-45; Slider-46; Second worm gear screw jack-47; Second lifting seat-48. Detailed Implementation

[0026] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0027] The purpose of this invention is to address the shortcomings of existing technologies by providing a lifting platform for installing segmented gear rings.

[0028] Example 1

[0029] This embodiment provides a lifting platform for installing segmented gear rings, see reference. Figure 1 As shown, it includes a gear ring 10. The large-diameter gear ring 10 is composed of multiple sub-gear rings. Multiple lifting platform structures 1 are provided at intervals at the bottom of the gear ring 10 to assist in the leveling and assembly of the large-diameter segmented gear ring.

[0030] Reference Figures 2-4As shown in the figure, the lifting platform structure 1 comprises a first lifting seat 21, a first hand wheel 23, a second lifting seat 48, a second hand wheel 40 and a frame structure, the front side, rear side, left side and right side of the frame structure are fixed with a guard plate 11, the top end of the frame structure is fixed with a table plate 12, and the table plate 12 is provided with a table plate through slot 121. The frame structure comprises an upper frame structure 14 and a lower frame structure 15, and the upper frame structure 14 is fixed at the upper end of the lower frame structure 15 by bolts. The first lifting seat 21 and the second lifting seat 48 are arranged on the lower frame structure 15, the first lifting seat 21 is arranged on the upper end of the first lifting mechanism in a lifting manner, the second lifting seat 48 is arranged on the upper end of the second lifting mechanism in a lifting manner, the first hand wheel 23 and the second hand wheel 40 are arranged on the front side and the rear side of the lower frame structure 15 respectively, and the first hand wheel 23 and the second hand wheel 40 are used for adjusting the lifting of the first lifting mechanism and the second lifting mechanism respectively, so that the first lifting seat 21 and the second lifting seat 48 are vertically lifted, the large-diameter segmented gear ring is leveled, and assembly is assisted.

[0031] Referring to Figure 4 As shown in the figure, the lower frame structure 15 comprises a lower frame body 151, an elevator mounting plate 152, a threaded sleeve 153, a mounting table 154 and a support frame 155, the four ends of the lower frame body 151 are respectively provided with the threaded sleeve 153, four mounting tables 154 are symmetrically arranged in the lower frame body 151, the elevator mounting plate 152 is fixed at the front end of the lower frame body 151, and the support frame 155 is connected to the bottom end of the lower frame body 151.

[0032] Referring to Figures 4-7 As shown in the figure, the first lifting mechanism comprises a first worm gear screw lifter 24 fixed at the upper end of the elevator mounting plate 152, and the first hand wheel 23 is manually rotated to drive the first worm gear screw lifter 24 to vertically lift the first lifting seat 21. The second lifting mechanism comprises a second worm gear screw lifter 47, a sliding rail 41, a driving gear shaft 42, a driven gear 43, a driving gear 44, a bearing belt 45 and a sliding block 46, and the first worm gear screw lifter 24 and the second worm gear screw lifter 47 are both worm gear screw lifters in the prior art. The sliding rail 41 is fixed at the upper end of the support frame 155, the sliding block 46 is fixed at the bottom end of the second worm gear screw lifter 47, and the sliding block 46 is installed at the upper end of the sliding rail 41 through sliding fit, so that the second worm gear screw lifter 47 can move forward and backward on the sliding rail 41 as needed by using the sliding block 46, and the distance between the first lifting seat 21 and the second lifting seat 48 can be adjusted, which is better used for segmented gear ring leveling support.

[0033] The driven gear 43 is connected with the driving end of the second worm screw elevator 47, the bearing seat 45 is fixed at both ends of the lower frame body 151, the driving gear shaft 42 is rotatably installed between the two bearing seats 45, the driving gear 44 is sleeved and installed on the driving gear shaft 42, the front and back positions of the driving gear 44 on the driving gear shaft 42 can be adjusted, the driving gear 44 is in meshing transmission with the driven gear 43, and the second hand wheel 40 is fixed at one end of the driving gear shaft 42. By manually rotating the second hand wheel 40, the driving gear 44 is driven by the driving gear shaft 42 to drive the second worm screw elevator 47 through the meshing transmission between the driving gear 44 and the driven gear 43, and then the second lifting seat 48 is driven to vertically lift.

[0034] Example two

[0035] The embodiment provides a lifting platform for installing a segmented gear ring, as shown in Figure 7 The hand-cranked screw pulley elevator 37 is fixed on the installation table 154, the front roller installation plate 38 is fixed at the bottom end of the hand-cranked screw pulley elevator 37, the two front roller installation plates 38 are fixedly connected through the connecting rod 39, the pulley screw 31 is vertically arranged in the center of the hand-cranked screw pulley elevator 37, the bottom end of the pulley screw 31 is fixedly connected with the upper end of the pulley 36, the pulley 36 is located below the front roller installation plate 38, and a pulley lifting driving mechanism is arranged on the outer side of the hand-cranked screw pulley elevator 37. The pulley lifting driving mechanism comprises a pulley lifting hand wheel 30, a pulley transmission shaft 32, a shaft coupling 33, a toothed chain wheel 34 and a chain 35, one toothed chain wheel 34 is fixed at the driving end of each hand-cranked screw pulley elevator 37, one chain 35 is sleeved outside the two toothed chain wheels 34 located on the left and right sides, the two toothed chain wheels 34 located at the front end are connected through the pulley transmission shaft 32, the shaft coupling 33 is arranged on the pulley transmission shaft 32, and the pulley lifting hand wheel 30 is coaxially connected with one of the toothed chain wheels 34.

[0036] By manually rotating the pulley lifting hand wheel 30, the two toothed chain wheels 34 located at the front end are rotated through the pulley transmission shaft 32, and the two toothed chain wheels 34 located at the rear end are rotated through the transmission of the two chains 35, so that one lifting hand wheel 30 drives the four hand-cranked screw pulley elevators 37 to drive the pulley screw 31 to vertically lift, so that the pulley 36 vertically rises or falls, and when the pulley 36 falls to a certain height, the upper structure can be supported and moved.

[0037] Example three

[0038] The embodiment provides a lifting platform for installing a segmented gear ring, as shown in Figure 6As shown, the bottom end of the lower frame structure 15 is provided with four foot supports 13, the upper end of the foot support 13 is provided with a foot torque rod 26, the foot torque rod 26 is installed in the threaded sleeve 153 through threaded cooperation, and the top end of the foot torque rod 26 is provided with a third hand wheel 25. By manually rotating the four third hand wheels 25, the height of the four foot supports 13 can be adjusted respectively, so that the height of the four end portions on the lifting platform can be adjusted respectively, and the leveling support of different heights of the segmented gear ring is satisfied.

[0039] The lifting platform for segmented gear ring installation provided by the embodiment is used. By rotating the pulley lifting hand wheel 30, the front two sprocket wheels 34 are rotated through the pulley transmission shaft 32, and the rear two sprocket wheels 34 are rotated through the chain 35 transmission, thereby driving the four hand-operated screw rod pulley elevators 37 to drive the pulley lead screw 31 to vertically move up and down, so that the pulley 36 vertically moves up and down, and the upper structure can be lifted up. The pulley 36 is used to move the lifting platform for installation to the working position, so that it is located below the gear ring 10.

[0040] Then the first hand wheel 23 and the second hand wheel 40 are rotated to adjust the lifting of the first lifting mechanism and the second lifting mechanism respectively, so that the first lifting seat 21 and the second lifting seat 48 are vertically lifted to support the large-diameter segmented gear ring. By rotating the four third hand wheels 25, the height of the four foot supports 13 can be adjusted respectively, so that the height of the four end portions on the lifting platform can be adjusted respectively, and the leveling support of different heights of the segmented gear ring is satisfied, which better assists the leveling and assembly of the large-diameter segmented gear ring.

[0041] In addition, the second worm screw lifting machine 47 can also move back and forth on the slide rail 41 according to the need by using the sliding block 46, so that the distance between the first lifting seat 21 and the second lifting seat 48 can be adjusted, and the use is more flexible.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity. The skilled person should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by the skilled person.

Claims

1. A lifting platform for mounting a segmented gear ring, comprising a gear ring (10) which is composed of a plurality of segmented sub-rings, characterized in that: The gear ring (10) is provided with a plurality of lifting platform structures (1) at the bottom end, the lifting platform structure (1) comprises a first lifting seat (21), a second lifting seat (48), a first hand wheel (23), a second hand wheel (40) and a frame structure, the frame structure comprises an upper frame structure (14) and a lower frame structure (15), the upper frame structure (14) is fixed at the upper end of the lower frame structure (15), the first lifting seat (21) and the second lifting seat (48) are arranged on the lower frame structure (15), the first lifting seat (21) is arranged on the upper end of the first lifting mechanism in a lifting manner, the second lifting seat (48) is arranged on the upper end of the second lifting mechanism in a lifting manner, and the first hand wheel (23) and the second hand wheel (40) are arranged on the front and rear sides of the lower frame structure (15) respectively, and the first hand wheel (23) and the second hand wheel (40) are used for adjusting the lifting of the first lifting mechanism and the second lifting mechanism respectively.

2. The segmented gear ring mounting lift table of claim 1, wherein: The lower frame structure (15) comprises a lower frame body (151), a lifting machine mounting plate (152), a threaded sleeve (153), a mounting table (154) and a support frame (155), four ends of the lower frame body (151) are respectively provided with threaded sleeves (153), four mounting tables (154) are symmetrically arranged in the lower frame body (151), the lifting machine mounting plate (152) is fixed to the front end of the lower frame body (151), and the support frame (155) is connected to the bottom end of the lower frame body (151).

3. The segmented gear ring mounting lift table of claim 2, wherein: The first lifting mechanism comprises a first worm gear screw lifting machine (24) fixed to the upper end of the lifting machine mounting plate (152).

4. The segmented gear ring mounting lift table of claim 2, wherein: The second lifting mechanism comprises a second worm gear screw lifting machine (47).

5. The segmented gear ring mounting lift table of claim 4, wherein: The second lifting mechanism further comprises a sliding rail (41), a driving gear shaft (42), a driven gear (43), a driving gear (44), a bearing belt seat (45) and a sliding block (46), the sliding rail (41) is fixed to the upper end of the support frame (155), the sliding block (46) is fixed to the bottom end of the second worm gear screw lifting machine (47), the sliding block (46) is installed on the upper end of the sliding rail (41) in a sliding fit, the driven gear (43) is connected with the driving end of the second worm gear screw lifting machine (47), the bearing belt seat (45) is fixed to both ends of the lower frame body (151), the driving gear shaft (42) is rotatably installed between the two bearing belt seats (45), the driving gear (44) is sleeved and installed on the driving gear shaft (42), the driving gear (44) is engaged with the driven gear (43) for transmission, and the second hand wheel (40) is fixed to one end of the driving gear shaft (42).

6. The segmented gear ring mounting lift table of claim 2, wherein: The mounting table (154) is fixed with a hand-cranked screw pulley elevator (37), the bottom end of the hand-cranked screw pulley elevator (37) is fixed with a front roller mounting plate (38), the two front roller mounting plates (38) are fixedly connected through a connecting rod (39), the hand-cranked screw pulley elevator (37) is vertically provided with a pulley screw (31) in the center, the bottom end of the pulley screw (31) is fixedly connected with the upper end of a pulley (36), the pulley (36) is located below the front roller mounting plate (38), and the hand-cranked screw pulley elevator (37) is provided with a pulley lifting driving mechanism outside.

7. The segmented gear ring mounting lift table of claim 6, wherein: The pulley lifting driving mechanism comprises a pulley lifting hand wheel (30), a pulley transmission shaft (32), a shaft coupling (33), a toothed chain wheel (34) and a chain (35), one toothed chain wheel (34) is fixed at the driving end of each hand-cranked screw pulley elevator (37), a chain (35) is sleeved outside the two toothed chain wheels (34) on the left and right sides, the two toothed chain wheels (34) at the front end are connected through the pulley transmission shaft (32), the pulley transmission shaft (32) is provided with a shaft coupling (33), and the pulley lifting hand wheel (30) is coaxially connected with one of the toothed chain wheels (34).

8. The segmented gear ring mounting lift table of claim 2, wherein: The bottom end of the lower frame structure (15) is provided with four foot supports (13).

9. The segmented gear ring mounting lift of claim 8, wherein: The upper end of the foot support (13) is provided with a foundation torsion bar (26), the foundation torsion bar (26) is installed in a threaded sleeve (153) in a threaded fit, and the top end of the foundation torsion bar (26) is provided with a third hand wheel (25).

10. The segmented gear ring mounting lift table of claim 1, wherein: The frame structure is fixed with a guard plate (11) on the front side, the rear side, the left side and the right side, the top end of the frame structure is fixed with a table plate (12), and the table plate (12) is provided with a table plate through slot (121).

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