CN219489489U - Bogie lifting equipment - Google Patents

Abstract

The technical scheme of the utility model discloses bogie lifting equipment which comprises a main frame, a lifting upright post, a lifting transmission system, a guide mechanism, a support frame, a pit cover plate and a stop mechanism, wherein the main frame is arranged on the main frame; the main frame is fixed in the pit, the lower part and the lift transmission system of lifting column are connected, lift the stand and pass main frame, guiding mechanism, support frame and pit apron from bottom to top in proper order, lift the upper end and the pit apron parallel and level of stand, lift transmission system installs on the main frame, guiding mechanism fixes in the main frame upper end, support frame and pit are fixed, the pit apron is installed on the support frame, pit apron and ground parallel and level, stop mechanism installs on the guiding mechanism of front side, stop mechanism upwards extends and passes support frame and pit apron, stop mechanism's upper end and pit apron parallel and level. Through backstop mechanism and lifting column lift, carry out spacingly to the wheel pair of bogie, guarantee that the bogie is firm motionless in the lift process.

Description

Bogie lifting equipment

Technical Field

The utility model belongs to the technical field of rail vehicle overhauling devices, and particularly relates to bogie lifting equipment.

Background

The bogie lifting equipment is mainly used for lifting the bogie of the metro vehicle to a proper height so as to facilitate the disassembly, cleaning, installation, measurement, inspection and other works of each installation part on the bogie. The existing bogie usually drives a lifting guide rail to lift through a motor, a track beam is arranged above the lifting guide rail, and a bogie wheel pair is supported to lift through the track beam. Patent CN 202212744U discloses rail transit rolling stock bogie lift pressure equipment decomposition machine, including elevating system and pressure mechanism, elevating system comprises bottom frame, crane and guide holder, the guide holder sets up in bottom frame upper end, be provided with the wire wheel in the middle of the guide holder, pressure mechanism comprises hydro-cylinder and flexible chuck, the hydro-cylinder sets up in the crane inside, be provided with the hydro-cylinder seat on the hydro-cylinder, flexible chuck is connected with the crane, be provided with linear slide rail on the flexible chuck, be provided with screw lift on the bottom frame, commutator and two go out the axle motor, and connect through the transmission shaft, two go out the axle motor forward and backward to drive screw lift operation, thereby drive the crane reciprocates, the bogie of parking on the crane is along with reciprocate, realize the lift of crane, but it is to know from the drawing and the description content that the crane needs to set up the track roof beam that is used for lifting the bogie wheel pair, it is high to need drive whole track roof beam lift, and need fix the bogie through flexible chuck, fixing device is complicated, easy to break down. Therefore, a bogie lifting device which is stable in bogie positioning, low in energy consumption and simple in structure and can realize bogie lifting without lifting the whole track beam needs to be designed.

Disclosure of Invention

In order to solve the existing technical problems, the utility model provides the bogie lifting equipment, the wheel set of the bogie is limited by lifting the stop mechanism and the lifting upright post, the bogie is ensured to be stable and motionless in the lifting process, and the bogie can be lifted only by lifting the whole steel rail without lifting the whole steel rail by the stop block of the stop mechanism and the V-shaped limiting block of the lifting upright post, so that the energy consumption is low and the structure is simple.

The technical scheme of the utility model is as follows: a bogie lifting device comprises a main frame, a lifting upright post, a lifting transmission system, a guide mechanism, a supporting frame, a pit cover plate and a stop mechanism; the main frame is fixed in the pit, lift stand totally 4, be the rectangle and distribute, lift stand's lower part and lift transmission system and be connected, lift stand from bottom to top passes main frame, guiding mechanism, support frame and pit apron in proper order, lift stand's upper end and pit apron parallel and level, lift transmission system installs on the main frame, guiding mechanism fixes in main frame upper end, support frame and pit are fixed, the pit apron is installed on the support frame, pit apron and ground parallel and level, stop mechanism installs on the guiding mechanism of front side, stop mechanism upwards extends and passes support frame and pit apron, stop mechanism's upper end and pit apron parallel and level.

Further, the lifting upright post comprises a lifting column, a V-shaped limiting block and a lifting body, wherein the V-shaped limiting block is fixed on the inner side of the upper end of the lifting column, the lifting body is fixed on the inner side of the lower end of the lifting column, the V-shaped limiting block is flush with the pit cover plate, and the lifting body is connected with the lifting transmission system.

Further, the lifting transmission system comprises a braking motor, speed reducers, transmission shafts, couplings and vertical elevators, wherein the speed reducers are distributed in the front-rear direction, the speed reducers are connected through the transmission shafts, the middle speed reducers are connected with the braking motor, the speed reducers on two sides are connected with the vertical elevators through the transmission shafts, the couplings are arranged on the transmission shafts, and the vertical elevators are distributed on the left side and the right side of the speed reducers.

Further, the vertical elevator comprises a trapezoidal screw, a trapezoidal nut, a safety nut, a protective sleeve and a proximity switch, wherein the trapezoidal nut and the safety nut are arranged at the lower part of the trapezoidal screw, the safety nut is arranged at the lower side of the trapezoidal nut, the protective sleeve is sleeved on the outer side of the trapezoidal screw, the protective sleeve is arranged above the trapezoidal nut, a gap is arranged between the safety nut and the trapezoidal nut, an induction bracket is arranged on the outer wall of the trapezoidal nut, the proximity switch bracket is arranged on the outer wall of the safety nut, the proximity switch is arranged on the proximity switch bracket, the upper part of the trapezoidal nut is fixed with the lifting body, and a ball pad is arranged between the lower side of the connecting position of the lifting body and the trapezoidal nut and the outer wall of the trapezoidal nut.

Further, guiding mechanism includes guide holder, leading wheel, follow-up apron, guide bar, spring and guide cylinder, and the guide wheel is totally 2, installs in the front and back both sides of guide holder, and a leading wheel sets up in the upper portion of guide holder, and another leading wheel sets up in the lower part of guide holder, and the guide bar setting is in the outside of guide wheel, and the guide bar lower part is fixed on the guide holder, and the guide bar upwards extends to the guide holder top, and the spring is installed on the guide bar, and the guide cylinder is established to the spring outside cover, and the upper end of guide bar is fixed follow-up apron, and the follow-up apron is U type structure, and the lifting column passes the guide holder middle part and is followed in the middle of the apron from bottom to top, and V type stopper compresses tightly in the top of follow-up apron, and lifting column and guide wheel outer fringe are tangent.

Further, the support frame comprises a middle support, side supports and steel rails, wherein the side supports are fixed on the left side and the right side of the middle support, the steel rails are fixed above the middle support, the steel rails extend in the front-back direction, the steel rails penetrate through the pit cover plate, and the steel rails are flush with the pit cover plate.

Further, the backstop mechanism includes backstop support, dog, electric putter and fixing base, and the backstop support is fixed on 2 guide holders of front side, and electric putter lower extreme passes through the fixing base to be installed on the backstop support, and the dog is installed in electric putter upper end, and the dog upwards extends and passes the intermediate strut, dog upper end and intermediate strut up end parallel and level.

Further, the pit cover plate is arranged on the middle support between the 2 check blocks and the middle support outside the steel rail.

By adopting the technical scheme, the beneficial effects of the utility model are as follows:

(1) According to the utility model, the wheel set of the bogie is limited by lifting the stop mechanism and the lifting upright post, so that the bogie is ensured to be stable and motionless in the lifting process, and the whole steel rail can be lifted only by lifting the stop block of the stop mechanism and the V-shaped limiting block of the lifting upright post without lifting the whole steel rail, so that the energy consumption is low, an additional lifting motor and a connecting structure are not required, and the structure is simple.

(2) According to the utility model, the lifting process of the lifting upright post is guided by the guide mechanism, so that the vertical lifting of the lifting upright post is ensured, and the following cover plate is matched with the V-shaped limiting block and the like, so that a gap generated when the V-shaped limiting block is raised is automatically closed by the following cover plate, the exposed part of the pit is blocked, the whole ground is free from holes, people or sundries and the like are prevented from being adjusted into the pit, the safety of personnel is ensured, and the occurrence of mechanical accidents is avoided.

(3) The operation is simple, the bogie can be automatically positioned and lifted only by pushing the wheels of the bogie into the bogie lifting equipment along the steel rail, and the safety is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a left side view of the present utility model;

FIG. 4 is a schematic structural view of the main frame;

FIG. 5 is a schematic view of the structure of a lifting column;

FIG. 6 is a schematic diagram of a lift drive system;

FIG. 7 is a schematic view of a guide mechanism;

FIG. 8 is a schematic structural view of a support frame;

FIG. 9 is a schematic view of the structure of a pit deck;

FIG. 10 is a schematic structural view of a stop mechanism;

FIG. 11 is a schematic view of a vertical lift structure;

FIG. 12 is a schematic view of the mounting structure of the lifting column and guide mechanism;

FIG. 13 is a schematic view of the mounting structure of the stopper mechanism, lifting column and pit cover plate.

In the figure, a main frame 1, a lifting column 2, a lifting transmission system 3, a guide mechanism 4, a support frame 5, a pit cover plate 6, a stop mechanism 7, a lifting column 21, a V-shaped limiting block 22, a lifting body 23, a brake motor 31, a speed reducer 32, a transmission shaft 33, a coupler 34, a vertical lifter 35, a trapezoidal screw 351, a trapezoidal nut 352, a safety nut 353, a protective sleeve 354, a proximity switch 355, an induction bracket 356, a proximity switch bracket 357, a ball pad 358, a guide seat 41, a guide wheel 42, a follower cover plate 43, a guide rod 44, a guide cylinder 45, a middle support 51, a side support 52, a steel rail 53, a stop bracket 71, a stop block 72, an electric push rod 73 and a fixed seat 74.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

Example 1

Referring to fig. 1 to 13, a bogie lifting device comprises a main frame 1, a lifting upright 2, a lifting transmission system 3, a guide mechanism 4, a support frame 5, a pit cover plate 6 and a stop mechanism 7; the main frame 1 is fixed in the pit, 4 in total, lift stand 2 is the rectangle and distributes, lift stand 2's lower part and lift transmission system 3 are connected, lift stand 2 passes main frame 1 from bottom to top in proper order, guiding mechanism 4, support frame 5 and pit apron 6, lift stand 2's upper end and pit apron 6 parallel and level, lift transmission system 3 installs on main frame 1, guiding mechanism 4 is fixed in main frame 1 upper end, support frame 5 and pit are fixed, pit apron 6 is installed on support frame 5, pit apron 6 and ground parallel and level, stop mechanism 7 is installed on guiding mechanism 4 of front side, stop mechanism 7 upwards extends and passes support frame 5 and pit apron 6, stop mechanism 7's upper end and pit apron 6 parallel and level.

The main frame 1 is mainly formed by welding and processing sectional materials and steel plates, ageing treatment is carried out after welding, and the structural stability is ensured through precision machining and corrosion prevention treatment. When the main frame 1 is installed, the adjustment and leveling are firstly carried out, then the transition plate and the foundation embedded part are firmly welded, and the equipment accuracy is ensured.

Further, the lifting column 2 comprises a lifting column 21, a V-shaped limiting block 22 and a lifting body 23, wherein the V-shaped limiting block 22 is fixed on the inner side of the upper end of the lifting column 21, the lifting body 23 is fixed on the inner side of the lower end of the lifting column 21, the V-shaped limiting block 22 is flush with the pit cover plate 6, and the lifting body 23 is connected with the lifting transmission system 3.

The V-shaped limiting block 22 is in contact with and limits the tread of the wheel, so that the bogie is ensured to be stable and motionless in the lifting process of the equipment, and the wheel is prevented from rolling down.

Further, the lifting transmission system 3 comprises a braking motor 31, speed reducers 32, a transmission shaft 33, a coupler 34 and vertical lifters 35, wherein the speed reducers 32 are distributed in the front-rear direction, the speed reducers 32 are connected through the transmission shaft 33, the middle speed reducers 32 are connected with the braking motor 31, the speed reducers 32 on two sides are connected with the vertical lifters 35 through the transmission shaft 33, the coupler 34 is arranged on the transmission shaft 33, and the vertical lifters 35 are distributed on the left side and the right side of the speed reducers 32.

The four-screw driving mode is adopted, so that the lifting synchronization of the 4 vertical lifters 35 can be ensured, and the synchronization requirement is met. The brake motor 31 adopts a brake type three-phase asynchronous motor, and ensures that the equipment is stopped and locked at any position in the lifting process.

Further, the vertical lifter 35 includes a trapezoidal screw 351, a trapezoidal nut 352, a safety nut 353, a protecting sleeve 354 and a proximity switch 355, the trapezoidal nut 352 and the safety nut 353 are installed at the lower portion of the trapezoidal screw 351, the safety nut 353 is arranged at the lower side of the trapezoidal nut 352, the protecting sleeve 354 is sleeved at the outer side of the trapezoidal screw 351, the protecting sleeve 354 is arranged above the trapezoidal nut 352, a gap is arranged between the safety nut 353 and the trapezoidal nut 352, an induction bracket 356 is installed on the outer wall of the trapezoidal nut 352, a proximity switch bracket 357 is installed on the outer wall of the safety nut 353, the proximity switch 355 is installed on the proximity switch bracket 357, the upper portion of the trapezoidal nut 352 is fixed with the lifting body 23, and a ball pad 358 is installed between the lower side of the connection position of the lifting body 23 and the trapezoidal nut 352 and the outer wall of the trapezoidal nut 352.

The trapezoidal screw 351 and the trapezoidal nut 352 of the vertical lifter 35 have a self-locking function by adopting trapezoidal threads. By adopting the double-nut design of the trapezoidal nut 352 and the safety nut 353, the safety nut 353 plays a role in protection, an initial gap is reserved between the two nuts during installation, a proximity switch is arranged, when the trapezoidal nut 352 is worn to a certain degree, a signal is generated by the proximity switch 355, and the system automatically alarms and triggers the control system to control equipment to automatically stop.

Further, the guiding mechanism 4 includes a guiding seat 41, guiding wheels 42, a follow-up cover plate 43, guiding rods 44, springs and guiding drums 45, 2 guiding wheels 42 are installed on the front side and the rear side of the guiding seat 41, one guiding wheel 42 is arranged on the upper portion of the guiding seat 41, the other guiding wheel 42 is arranged on the lower portion of the guiding seat 41, the guiding rods 44 are arranged on the outer sides of the guiding wheels 42, the lower portions of the guiding rods 44 are fixed on the guiding seat 41, the guiding rods 44 extend upwards to the upper portion of the guiding seat 41, the springs are installed on the guiding rods 44, the guiding drums 45 are sleeved on the outer sides of the springs, the upper ends of the guiding rods 44 are fixed on the follow-up cover plates 43, the follow-up cover plates 43 are of U-like structures, the lifting columns 21 penetrate through the middle portions of the guiding seat 41 and the middle portions of the follow-up cover plates 43 from bottom to top, the V-shaped limiting blocks 22 are pressed on the upper portions of the follow-up cover plates 43, and the lifting columns 21 are tangential to the outer edges of the guiding wheels 42.

The guide seat 41 is formed by welding steel plates, and is annealed and aged after welding, so that the structural stability is ensured. The guide wheel 42 adopts an eccentric form, and the clearance is slightly adjusted during assembly, so that the guide is more accurate. When the V-shaped limiting block 22 of the lifting upright post 2 ascends, the follow-up cover plate 43 ascends under the action of the spring, and a gap generated when equipment ascends is automatically closed by the follow-up cover plate 43 and matched with the pit cover plate 6, so that the exposed part of the pit is blocked, the whole ground is free from holes, people or sundries and the like are prevented from falling into the pit, and the safety of operators and the occurrence of mechanical accidents are ensured.

Further, the supporting frame 5 comprises a middle support 51, side supports 52 and steel rails 53, the side supports 52 are fixed on the left side and the right side of the middle support 51, the steel rails 53 are fixed above the middle support 51, the steel rails 53 extend in the front-back direction, the steel rails 53 penetrate through the pit cover plate 6, and the steel rails 53 are flush with the pit cover plate 6.

Further, the stop mechanism 7 comprises a stop bracket 71, a stop block 72, an electric push rod 73 and a fixed seat 74, the stop bracket 71 is fixed on the 2 guide seats 41 on the front side, the lower end of the electric push rod 73 is installed on the stop bracket 71 through the fixed seat 74, the stop block 72 is installed at the upper end of the electric push rod 73, the stop block 72 extends upwards to penetrate through the middle support 51, and the upper end of the stop block 72 is flush with the upper end face of the middle support 51.

When the stop button is started, the electric push rod 73 drives the stop block 72 to lift, the bogie is pushed into the device from the rear to the front along the steel rail 53, so that after the wheels correspond to the V-shaped limiting block 22, the stop block 72 stops the wheels, the bogie is positioned, and the lifting upright post 2 starts to lift; when the V-shaped limiting block 22 of the lifting upright post 2 descends to be flush with the ground rail surface and the steel rail 53, the stop button is pressed down again, and the electric push rod 73 drives the stop block 72 to descend, so that the stop block 72 is restored to the original position.

Further, the pit cover plate 6 is provided on the intermediate support 51 between the 2 stoppers 72 and the intermediate support 51 outside the rail 53.

The pit cover plate 6 is welded with a framework by using high-quality rectangular steel pipes, an anti-skid pattern steel plate is used as a panel, the pit cover plate 6 is assembled and leveled with the ground, a maintenance hole cover is arranged on the pit cover plate 6, maintenance personnel can conveniently enter the pit to overhaul, a ladder stand, lighting and ventilation facilities and the like are arranged in the pit, and the strength and rigidity of the pit cover plate 6 meet the full-load passing of a 3T forklift.

In this embodiment 1, the apparatus is provided with dual travel switch protection at both the highest position and the lowest position of the lifting body 23 of the lifting column 2, where the dual travel switch protection at the highest position includes a high limit switch and a limit switch, and the dual formation switch at the lowest position includes a low limit switch and a limit switch, and when the apparatus is lifted in place or is completely lowered to be level with the ground, the limit switch is triggered to stop. When the high limit switch and the low limit switch fail, the limit switch acts, sends out an alarm signal and stops.

In addition, the device of embodiment 1 is also provided with a low-level protection function, and the device automatically pauses when being 150mm away from the ground rail in the falling process, and sends out a signal, and after the device is manually confirmed to be free from obstacles, the starting button can continue to descend.

Claims (8)

1. A bogie lifting device, characterized in that: comprises a main frame (1), a lifting upright post (2), a lifting transmission system (3), a guide mechanism (4), a supporting frame (5), a pit cover plate (6) and a stop mechanism (7); the main frame (1) is fixed in the pit, lift stand (2) totally 4, be the rectangle and distribute, the lower part and the lift transmission system (3) of lifting stand (2) are connected, lift stand (2) are by supreme main frame (1) of passing in proper order down, guiding mechanism (4), support frame (5) and pit apron (6), the upper end and the pit apron (6) parallel and level of lifting stand (2), lift transmission system (3) are installed on main frame (1), guiding mechanism (4) are fixed in main frame (1) upper end, support frame (5) and pit are fixed, pit apron (6) are installed on support frame (5), pit apron (6) and ground parallel and level, stop mechanism (7) are installed on guiding mechanism (4) of front side, stop mechanism (7) upwards extend and pass support frame (5) and pit apron (6), the upper end and the pit apron (6) of stop mechanism (7).

2. A bogie lifting apparatus according to claim 1 wherein: the lifting column (2) comprises a lifting column (21), a V-shaped limiting block (22) and a lifting body (23), wherein the V-shaped limiting block (22) is fixed on the inner side of the upper end of the lifting column (21), the lifting body (23) is fixed on the inner side of the lower end of the lifting column (21), the V-shaped limiting block (22) is flush with a pit cover plate (6), and the lifting body (23) is connected with a lifting transmission system (3).

3. A bogie lifting apparatus according to claim 1 wherein: the lifting transmission system (3) comprises a braking motor (31), speed reducers (32), a transmission shaft (33), a coupler (34) and vertical lifters (35), wherein the speed reducers (32) are distributed in the front-back direction, the speed reducers (32) are connected through the transmission shaft (33), the middle speed reducers (32) are connected with the braking motor (31), the speed reducers (32) on two sides are connected with the vertical lifters (35) through the transmission shaft (33), the coupler (34) is installed on the transmission shaft (33), and the vertical lifters (35) are distributed on the left side and the right side of the speed reducers (32).

4. A bogie lifting apparatus according to claim 3, wherein: the vertical elevator (35) comprises a trapezoidal screw (351), a trapezoidal nut (352), a safety nut (353), a protective sleeve (354) and a proximity switch (355), wherein the trapezoidal nut (352) and the safety nut (353) are installed at the lower part of the trapezoidal screw (351), the safety nut (353) is arranged at the lower side of the trapezoidal nut (352), the protective sleeve (354) is sleeved on the outer side of the trapezoidal screw (351), the protective sleeve (354) is arranged above the trapezoidal nut (352), a gap is formed between the safety nut (353) and the trapezoidal nut (352), an induction bracket (356) is installed on the outer wall of the trapezoidal nut (352), a proximity switch bracket (357) is installed on the outer wall of the safety nut (353), the proximity switch (355) is fixed on the proximity switch bracket (357), and a ball pad (358) is installed between the lower side of the connection position of the lifting body (23) and the trapezoidal nut (352) and the outer wall of the trapezoidal nut (352).

5. A bogie lifting apparatus according to claim 1 wherein: guide mechanism (4) are including guide holder (41), leading wheel (42), follow-up apron (43), guide bar (44), spring and guide cylinder (45), guide wheel (42) are total 2, install in the front and back both sides of guide holder (41), one leading wheel (42) sets up the upper portion at guide holder (41), another leading wheel (42) sets up the lower part at guide holder (41), guide bar (44) set up in the outside of guide wheel (42), guide bar (44) lower part is fixed on guide holder (41), guide bar (44) upwards extend to guide holder (41) top, spring mounting is on guide bar (44), guide cylinder (45) are established to spring outside cover, guide bar (44) upper end fixed follow-up apron (43), follow-up apron (43) are U type structure, promote post (21) by down upwards pass guide holder (41) middle part and follow-up apron (43) in the middle, V type stopper (22) compress tightly in the top of follow-up apron (43), the outer fringe of promoting post (21) and guide post (42) are tangent.

6. A bogie lifting apparatus according to claim 1 wherein: the support frame (5) comprises a middle support (51), side supports (52) and steel rails (53), wherein the side supports (52) are fixed on the left side and the right side of the middle support (51), the steel rails (53) are fixed above the middle support (51), the steel rails (53) extend in the front-back direction, the steel rails (53) penetrate through the pit cover plate (6), and the steel rails (53) are flush with the pit cover plate (6).

7. A bogie lifting apparatus according to claim 1 wherein: the stop mechanism (7) comprises a stop support (71), a stop block (72), an electric push rod (73) and a fixed seat (74), wherein the stop support (71) is fixed on the 2 guide seats (41) on the front side, the lower end of the electric push rod (73) is installed on the stop support (71) through the fixed seat (74), the stop block (72) is installed at the upper end of the electric push rod (73), the stop block (72) upwards extends to penetrate through the middle support (51), and the upper end of the stop block (72) is flush with the upper end face of the middle support (51).

8. A bogie lifting apparatus according to claim 6 wherein: the pit cover plate (6) is arranged on an intermediate support (51) between the 2 stop blocks (72) and the intermediate support (51) outside the steel rail (53).