CN215886277U - Lifting platform for maintaining shot blasting machine - Google Patents

Abstract

The utility model discloses a lifting platform for maintaining a shot blasting machine, which comprises a mounting seat, a connecting plate, an L-shaped connecting plate and a lifting adjusting mechanism, wherein the mounting seat is provided with a matching groove, the connecting plate is fixedly connected with one side of the connecting plate, the other side of the connecting plate is fixedly provided with a T-shaped abutting block, the connecting plate is fixedly connected with one end of an adjusting screw rod, one side of the L-shaped connecting plate is provided with a through hole in a penetrating way, the other side of the upper part of the mounting seat is fixedly provided with a balancing weight, the effect of uniform gravity is achieved by mounting the balancing weight on the other side of the upper part of the mounting seat, the integral gravity and the gravity center are prevented from inclining to one side in the moving process of a standing platform, the condition that the integral equipment inclines and shakes when an operator stands above the platform to operate is avoided, the gravity center of the integral equipment is prevented from inclining to one side in sequence, thereby easily causing the unstable gravity of the whole equipment.

Description

Lifting platform for maintaining shot blasting machine

Technical Field

The utility model relates to the technical field of shot blasting machines, in particular to a lifting platform for maintaining shot blasting machines.

Background

The shot blasting machine is a processing device which throws steel shot on the surface of a material object at a high speed through a shot blasting machine, compared with other surface processing technologies, the shot blasting machine has the advantages that the processing is faster and more effective, the shot blasting machine can also be used for removing burrs, diaphragms, rust and the like, pollutants on the surface of a part of coating can be removed, an adhesive force surface profile for increasing the coating is provided, and the purpose of strengthening workpieces is achieved, the types of the shot blasting machines are various, in the maintenance operation process of a large shot blasting machine, because the shot blasting machine is higher, a corresponding lifting platform is required to be used, through mass retrieval, the lifting platform for the maintenance of the shot blasting machine in the prior art is found to be typical, such as the publication number is CN213265647U, the lifting platform for the maintenance of the shot blasting machine comprises a lifting guide frame, the lifting platform is arranged on the inner side of the lifting guide frame, and a winding device is fixedly connected to the top of the lifting guide frame, the lifting platform is characterized in that the hoisting device is connected with the lifting platform through a zipper, a first movable platform is arranged on the front face of the top of the lifting platform, a second movable platform is arranged on the back face of the top of the lifting platform, vertical plates are fixedly connected to the bottoms of the first movable platform and the second movable platform, and transverse plates are fixedly connected to the bottoms of the vertical plates. Through the setting of supporting platform, activity backup pad and rotation platform in the above-mentioned case, can carry out the bearing and utilize the activity backup pad to remove to changing the part through rotation platform when the maintenance operation, can conveniently adjust the installation position of changing the part through rotating the platform, reduce manpower transport, convenient operation.

In summary, although the casters are locked by the universal wheel lock structure, the operator moves and operates the casters on the platform, so that the moving force is transmitted to the mounting plate through the mounting frame, and the universal wheels are easily driven to move and process positions of the mounting plate during the stress process, and meanwhile, the whole equipment is easily shaken and shifted, and the locking structure is easily locked due to the long service time of the universal wheels, so that the universal wheels are replaced or have poor stability, and meanwhile, the conventional lifting platform for maintaining the shots is driven by the winch to operate, so that the wire arrangement of the winch is easily disordered during the frequent use of the steel wire rope, and the service life of the steel wire rope is shortened when the wrapping layer on the surface of the steel wire rope is damaged or worn, the gravity center of the whole equipment inclines on one side when an operator stands above the platform to operate the lifting platform for maintaining the existing shot blasting machine in sequence, so that the gravity center of the whole equipment is unstable easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a lifting platform for maintaining a shot blasting machine, which aims to solve the problems that the prior lifting platform for maintaining the shot blasting machine is provided in the prior art, although a caster is locked by a universal wheel lock structure, the force of movement is transmitted to a mounting plate through a mounting frame due to the movement and operation of an operator on the platform, the universal wheel is easy to drive to move during the stress process of the mounting plate, the whole equipment is easy to shake and shift, the locking structure is easy to be locked insecurely due to long service time of the universal wheel, the universal wheel is replaced or the stability is poor, and meanwhile, the prior lifting platform for maintaining the shot blasting machine is driven by a winch to operate, the wire rope of the winch is easy to be disordered during the frequent use process, and thereby shorten wire rope's life when the parcel layer on wire rope surface damages or wearing and tearing, whole equipment focus in one side slope when the operator stands in the platform top and operates for current shot-blasting machine maintenance lift platform in proper order to lead to whole equipment to appear the unstable problem of focus easily.

In order to achieve the purpose, the utility model provides the following technical scheme: a lifting platform for maintaining a shot blasting machine comprises a mounting seat, a connecting disc, an L-shaped connecting plate and a lifting adjusting mechanism, wherein the mounting seat is provided with a matching groove, a movable wheel is fixed at the bottom of the mounting seat, one end of a threaded cylinder is mounted at the bottom of the mounting seat through the matching groove, the connecting disc is fixedly connected with one side of the connecting plate, a T-shaped abutting block is fixed at the other side of the connecting plate, a rubber pad is embedded and mounted on one side of the T-shaped abutting block, the connecting disc is fixedly connected with one end of an adjusting screw rod, the other end of the adjusting screw rod is in threaded connection with the threaded cylinder, a through hole is formed in one side of the L-shaped connecting plate in a penetrating mode, the other side of the L-shaped connecting plate is fixedly connected with one side above the mounting seat, and a balancing weight is fixed on the other side above the mounting seat;

by adopting the technical scheme, the L-shaped connecting plate is arranged, the effect of bidirectional fixed connection is achieved through the L-shaped connecting plate, the whole L-shaped connecting plate is made of a steel plate material, the lifting adjusting mechanism and the L-shaped connecting plate can be conveniently fixedly connected, and the stability and firmness of the whole lifting adjusting mechanism after being installed are sequentially improved;

and the lifting adjusting mechanism is respectively arranged above the mounting seat and the L-shaped connecting plate.

Preferably, the lifting adjusting mechanism comprises an L frame, a bearing set, a connecting shaft, a bevel gear set, a connecting rod, a hand wheel, a driven gear, a driving motor, a driving gear, a slide rail, a slide plate, a thread through block, a threaded rod, a standing platform, a guardrail and a limiting block, wherein through grooves are formed in two sides of the L frame in a penetrating manner, an outer ring of the bearing set is connected with the L frame in a matching manner through the through grooves, two sides of the L frame are respectively fixedly connected with an L connecting plate and a mounting seat, one end of the connecting shaft is fixedly connected with the bevel gear set, the other end of the connecting shaft penetrates through an inner ring of the bearing set and extends above the L connecting plate, one end of the connecting rod penetrates through one side of the L connecting plate and is fixed with another bevel gear set with another bearing set, the other end of the connecting rod is fixed with the hand wheel and the driven gear, one end of the driving motor is fixed with the driving gear, and the other end of the driving motor is fixed on one side above the mounting seat, the utility model discloses a stand platform, including slide bar, stand platform, driving gear, driven gear, slide rail, slide bar, slide board, slide rail, door fence, guardrail, stopper and threaded rod other end fixed connection, the driving gear is connected with driven gear meshing, intermeshing connects between the bevel gear group, slide rail one end and L connecting plate fixed connection, slide board one side is fixed with the screw thread and leads to the piece, and slide board and slide rail sliding connection install in L connecting plate top, threaded rod one end runs through the screw thread and leads to piece and through-hole and connecting axle other end fixed connection, the platform of standing runs through and has seted up the through-hole, and the platform top of just standing installs the guardrail, install the door fence through hinge and bayonet lock between the guardrail, and install control button on one side of the inside of guardrail, the platform of standing passes through the through-hole and runs through the threaded rod other end and slide board fixed connection, stopper and threaded rod other end fixed connection, driving motor all with controller and control button electric connection.

Through adopting above-mentioned technical scheme, be equipped with the hand wheel, play the fixed effect of through connection through the hand wheel to thereby make things convenient for whole lift adjustment mechanism all can normally operate under emergency through the hand wheel and handle, avoid whole lift adjustment mechanism to drive the operation through driving motor and handle simultaneously, the operator of top can't descend the condition of handling when leading to taking place emergency, still need connect the condition of handling down to the operator through other lift adjustment mechanism.

Preferably, the connecting disc, the connecting plate and the T-shaped abutting block are connected in a snowflake shape.

Through adopting above-mentioned technical scheme, be equipped with the connection pad, play the effect of connecting all around and unilateral fixed connection through the connection pad, play the effect of connecting the drive simultaneously through the connection pad.

Preferably, the bearing set, the connecting shaft, the bevel gear set, the connecting rod, the hand wheel, the driven gear, the driving motor and the driving gear form a rotation adjusting mechanism, and the rotation angle range of the rotation adjusting mechanism is 0-360 degrees.

Through adopting above-mentioned technical scheme, be equipped with the bearing group, not only play through connection's effect through the bearing group to play supporting connection and spacing swivelling joint's effect through the bearing group, play the effect of rotatory drive through the bearing group simultaneously.

Preferably, the slide rail, the slide plate, the threaded through block, the threaded rod, the standing platform and the connecting shaft form a rotary lifting mechanism, and the lifting distance range of the rotary lifting mechanism is 0-400 cm.

Through adopting above-mentioned technical scheme, be equipped with the slide rail, not only play fixed connection's effect through the slide rail to play relative sliding connection's effect through the slide rail, the slide rail is provided with 4 of 2 groups simultaneously, guarantees stability and equilibrium in the slide operation process in proper order, thereby increases the security and the equilibrium of lift in-process.

Preferably, the number of the limiting blocks is 2, and the limiting blocks are symmetrically arranged relative to the central line of the standing platform.

Through adopting above-mentioned technical scheme, be equipped with the stopper, not only play fixed connection's effect through the stopper to play the spacing effect of motion through the stopper.

Compared with the prior art, the utility model has the beneficial effects that: the lifting platform for maintaining the shot blasting machine,

(1) the lifting platform for maintaining the shot blasting machine is provided with an adjusting screw rod and a connecting disc, the connecting disc is driven to move in the same direction in the movement process of the adjusting screw rod, the connecting disc is driven to move in the same direction in the movement process of the connecting disc, meanwhile, the abutting block is driven to move in the same direction in the movement process of the connecting disc, when the abutting block is in contact with the ground, the abutting block is additionally contacted with the ground through a rubber pad at the bottom, so that the conventional lifting platform for maintaining the shot blasting machine is avoided, although the caster is locked through a universal wheel lock structure, the moving force caused by the movement and the operation of an operator on the platform is transmitted to the mounting plate through the mounting frame, and the universal wheel is easily driven to move in position in the stress process of the mounting plate, the whole equipment is easily shaken and deviates in position, and the locking structure is easily locked due to the long service time of the universal wheel in sequence, thereby causing the situation that the universal wheel is replaced or the stability is poor;

(2) the lifting adjusting mechanism is arranged, the driving gear is driven to move by the driving motor, the driven gear is driven to move by the driving gear, the driven gear drives the conical gear set to perform meshing motion, the connecting shaft is driven to rotate during the motion of the conical gear set, the connecting shaft drives the threaded rod to move, the threaded through block is driven to perform up-and-down motion processing during the motion of the threaded rod, the threaded through block drives the sliding plate and the standing platform to perform equidirectional motion processing in sequence, and the parts are driven to perform motion processing by manually rotating the hand wheel when the driving motor cannot work or is in a sudden state, so that the existing lifting platform for shot blasting machine maintenance is prevented from performing driving operation processing by the winch, the condition that the wire arrangement is disordered during the frequent use of the wire rope of the winch is avoided in sequence, and the service life of the wire rope is shortened when a wrapping layer on the surface of the wire rope is damaged or worn, the situation that the winch cannot normally operate and process in an emergency state is caused;

(3) be provided with the balancing weight, thereby install in mount pad top opposite side through the balancing weight and play the even effect of gravity, avoid whole gravity and focus to incline in mount pad one side simultaneously, lead to the operator to incline and the condition of rocking appear in the platform removal in-process whole equipment of standing, avoid current lift platform for shot-blasting machine maintenance whole equipment focus in a lopsidedness when the operator stands in the platform top and operates in proper order, thereby lead to whole equipment to appear the unstable condition of focus easily.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic structural view of a front cross section of the mounting base of the present invention;

FIG. 3 is a schematic diagram of a right-side cross-sectional view of an L-shaped connecting plate according to the present invention;

FIG. 4 is a schematic view of the structure of the sliding track, the sliding plate and the standing platform of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. the mounting base, 2, the activity wheel, 3, the screw thread section of thick bamboo, 4, the connection pad, 5, the connecting plate, 6, T shape support the piece, 7, adjusting screw, 8, L connecting plate, 9, lift adjustment mechanism, 901, L frame, 902, the bearing group, 903, connecting axle, 904, the cone gear group, 905, connecting rod, 906, hand wheel, 907, driven gear, 908, driving motor, 909, driving gear, 910, slide rail, 911, slide, 912, screw lead to the piece, 913, threaded rod, 914, stand platform, 915, guardrail, 916, the stopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a lifting platform for maintaining shot blasting machines is disclosed, as shown in figure 2, a matching groove is arranged on a mounting seat 1, a movable wheel 2 is fixed at the bottom of the mounting seat 1, one end of a threaded cylinder 3 is arranged at the bottom of the mounting seat 1 through the matching groove, a connecting disc 4 is fixedly connected with one side of a connecting plate 5, a T-shaped abutting block 6 is fixed at the other side of the connecting plate 5, a rubber pad is embedded at one side of the T-shaped abutting block 6, the connecting disc 4, the connecting plate 5 and the T-shaped abutting block 6 are in a snowflake shape, the connecting shape among the three is in a snowflake shape, so that the contact area between the T-shaped abutting block 6 and the ground is enlarged, the stress area between the T-shaped abutting block 6 and the ground is enlarged, corresponding supporting force, stability and balance are provided for the operation process of the whole equipment, meanwhile, the symmetry of the connection among the three is embodied by the snowflake shape of the connection among the three, and the attractiveness and stress support of the connection among the three are also embodied, the three parts are connected in sequence to form a snowflake shape, so that the simplicity and the practicability of the connection between the three parts are embodied.

As shown in fig. 1, connection pad 4 and 7 one end fixed connection of adjusting screw 7, 3 threaded connection of the adjusting screw 7 other end and screw thread section of thick bamboo, 8 one sides of L connecting plate are run through and have been seted up the through-hole, and 8 opposite sides of L connecting plate and 1 top one side fixed connection of mount pad, 1 top opposite side of mount pad is fixed with the balancing weight, not only play two-way fixed connection's effect through mount pad 1, thereby it makes things convenient for the installation fixed processing of equipment and part to pass through mount pad 1, make whole equipment all install in mount pad 1 top and bottom simultaneously, guarantee the wholeness after the whole equipment fixing in proper order.

As shown in fig. 5, the lifting adjusting mechanism 9 is respectively installed above the mounting base 1 and the L-connecting plate 8, and the lifting adjusting mechanism 9 includes an L-frame 901, a bearing set 902, a connecting shaft 903, a bevel gear set 904, a connecting rod 905, a hand wheel 906, a driven gear 907, a driving motor 908, a driving gear 909, a sliding rail 910, a sliding plate 911, a threaded through block 912, a threaded rod 913, a standing platform 914, a guardrail 915 and a limit block 916, through grooves are formed at two sides of the L-frame 901, an outer ring of the bearing set 902 is connected with the L-frame 901 through the through grooves, two sides of the L-frame 901 are respectively fixedly connected with the L-connecting plate 8 and the mounting base 1, one end of the connecting shaft 903 is fixedly connected with the bevel gear set 904, and the other end of the connecting shaft 903 penetrates through an inner ring of the bearing set 902 and the through holes to extend above the L-connecting plate 8, one end of the connecting rod 905 penetrates through one side of the L-connecting plate 8 and the other bearing set 902 to fix another bevel gear set 904, a hand wheel 906 and a driven gear 907 are fixed at the other end of the connecting rod 905, a driving gear 909 is fixed at one end of the driving motor 908, the other end of the driving motor 908 is fixed at one side above the mounting seat 1, the driving gear 909 is meshed with the driven gear 907, the conical gear sets 904 are meshed with each other, the bearing set 902, the connecting shaft 903, the conical gear sets 904, the connecting rod 905, the hand wheel 906, the driven gear 907, the driving motor 908 and the driving gear 909 form a rotation adjusting mechanism, the rotation angle range of the rotation adjusting mechanism is 0-360 degrees, the driving gear 909 is driven by the driving motor 908 to move, the driving gear 909 drives the driven gear 907 to move, the driven gear 907 drives the conical gear sets 904 to move in a meshed manner, the connecting shaft 903 is driven to rotate during the movement of the conical gear sets 904, the connecting shaft 903 drives the threaded rod 913 to move, and simultaneously drives the threaded through block 912 to move up and down during the movement of the threaded rod 913, the screw thread through block 912 drives the sliding plate 911 and the standing platform 914 to move in the same direction in sequence, when the driving motor 908 cannot work or is in a sudden state, the hand wheel 906 is manually rotated to drive the parts to move, the rotation adjusting mechanism is rotated to convert horizontal rotation motion into vertical rotation motion, so that mutual conversion and mutual transmission motion processing between the rotating mechanisms of the sliding plate and the standing platform are embodied, meanwhile, the structure and the parts not only embody the meshing performance between the parts of the integral rotation adjusting mechanism, but also embody the matching performance and the transmission performance between the parts, and the bidirectional motion state and the structure of electric driving operation and manual driving operation are realized sequentially through the mechanisms.

As shown in fig. 4, one end of a sliding rail 910 is fixedly connected with an L-connection plate 8, one side of a sliding plate 911 is fixed with a threaded through block 912, the sliding plate 911 and the sliding rail 910 are slidably connected and mounted above the L-connection plate 8, one end of a threaded rod 913 penetrates through the threaded through block 912 and is fixedly connected with the other end of a connection shaft 903, the threaded rod 913 is in threaded connection with the threaded through block 912, a through hole is formed in a standing platform 914, a guardrail 915 is mounted above the standing platform 914, the sliding rail 910, the sliding plate 911, the threaded through block 912, the threaded rod 913, the standing platform 914 and the connection shaft 903 form a rotary lifting mechanism, the lifting distance range of the rotary lifting mechanism is 0-400cm, the threaded through block 912 is driven to perform lifting motion processing during the movement of the threaded rod 913, the through block 912 drives the sliding plate to perform equidirectional motion processing during the lifting motion of the threaded through block 912, and the sliding plate 911 performs relative motion processing with the sliding rail 910 during the movement of the sliding plate 911, the process of the equidirectional transportation of the standing platform 914 is driven in the process of the sliding plate 911 in sequence, the relative height distance between the standing platform 914 and the L connecting plate 8 is changed in the process of the relative movement of the sliding plate 911 and the sliding rail 910, the operation, maintenance and treatment are sequentially facilitated for an operator, the lifting distance interval of the integral rotary lifting mechanism is 400cm, when the integral rotary lifting mechanism reaches the maximum running distance interval, the limit blocks 916 are in contact with the standing platform 914, door barriers are arranged between the guardrails 915 through hinges and bayonet locks, a control button is arranged on one side inside the guardrail 915, the standing platform 914 is fixedly connected with the sliding plate 911 through the other end of the through-hole penetrating threaded rod 913, the limit blocks 916 are fixedly connected with the other end of the threaded rod 913, 2 limit blocks 916 are arranged, the limit blocks 916 are symmetrically arranged about the central line of the standing platform 914, the number of the limit blocks 916 is correspondingly set with the number of the threaded rod 913, thereby avoid single threaded rod 913 top to be provided with stopper 916, thereby it is between the running distance interval to surpass easily in another threaded rod 913 motion process, lead to threaded rod 913 and the condition that breaks away from to appear through the through-hole with the platform 914 of standing simultaneously, stopper 916 diameter ratio in proper order is greater than 3cm than the through-hole diameter that the platform 914 was seted up of standing, it is spacing not only to prevent like this that stopper 916 from surpassing the operation in the operation process, still prevent that threaded rod 913 from appearing the condition that breaks away from through the through-hole with the platform 914 of standing through the operation in-process, driving motor 908 all with controller and control button electric connection.

The working principle is as follows: when the lifting platform for maintaining the shot blasting machine is used, the adjusting screw 7 is manually rotated to move, the connecting disc 4 is driven to move in the same direction by the movement of the adjusting screw 7, the connecting disc 4 is driven to move in the same direction by the connecting plate 5, the adjusting screw 7 moves relative to the threaded cylinder 3, the mounting seat 1 is driven to move downwards by the movement of the adjusting screw 7, the mounting seat 1 drives the movable wheel 2 to move in the same direction, the connecting plate 5 drives the T-shaped abutting block 6 to separate from the ground when the movable wheel 2 is in contact with the ground, a certain thrust is applied to the mounting seat 1 when the adjusting screw 7 stops rotating, the mounting seat 1 drives the whole equipment to move through the movable wheel 2, the steps are repeated when the whole equipment moves to the corresponding position to carry out the reverse operation 915, and then an operator stands on the standing platform 914 through a guardrail and a door fence, and the control button is pressed manually, at this time, the control button starts the driving motor 908 to drive the driving gear 909 to move, the driving gear 909 drives the driven gear 907 to move, the driven gear 907 drives the connecting rod 905 to move, the connecting rod 905 drives the bevel gear set 904 to move in an engaged manner, meanwhile, the connecting rod 905 moves relative to the L-shaped frame 901 through the bearing set 902 during the movement process, the connecting shaft 903 is driven to rotate during the movement process of the bevel gear set 904 in turn, the connecting shaft 903 drives the threaded rod 913 to move, the threaded through block 912 is driven to move up and down during the movement process of the threaded rod 913, the sliding plate 911 is driven to move in the same direction during the lifting process of the threaded through block 912, the sliding plate 911 is driven to move in the relative direction with the sliding rail 910 during the movement process, the standing platform 914 is driven to move in the same direction during the movement process of the sliding plate 911 in turn, and the limiting block 916 is driven to move in the same direction during the movement process of the threaded rod 913 in turn, when the corresponding position is reached, the operation of the driving motor 908 is stopped by manually pressing the control button again, and the operator again steps on the shot blasting machine through the guardrail 915 and the door sill to perform maintenance processing, and after the maintenance is completed, the above steps are repeated again to perform reverse operation processing.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a lift platform is used in shot-blasting machine maintenance, includes mount pad (1), connection pad (4), L connecting plate (8) and lift adjustment mechanism (9), its characterized in that:

the mounting seat (1) is provided with a matching groove, a movable wheel (2) is fixed at the bottom of the mounting seat (1), one end of a threaded cylinder (3) is mounted at the bottom of the mounting seat (1) through the matching groove, a connecting disc (4) is fixedly connected with one side of a connecting plate (5), a T-shaped abutting block (6) is fixed at the other side of the connecting plate (5), a rubber pad is embedded at one side of the T-shaped abutting block (6), the connecting disc (4) is fixedly connected with one end of an adjusting screw (7), the other end of the adjusting screw (7) is in threaded connection with the threaded cylinder (3), a through hole is formed in one side of an L-shaped connecting plate (8) in a penetrating mode, the other side of the L-shaped connecting plate (8) is fixedly connected with one side above the mounting seat (1), and a balancing weight is fixed at the other side above the mounting seat (1);

the lifting adjusting mechanism (9) is respectively arranged above the mounting seat (1) and the L-shaped connecting plate (8).

2. The lifting platform for maintaining the shot blasting machine as claimed in claim 1, wherein: the lifting adjusting mechanism (9) comprises an L-shaped frame (901), a bearing group (902), a connecting shaft (903), a bevel gear group (904), a connecting rod (905), a hand wheel (906), a driven gear (907), a driving motor (908), a driving gear (909), a sliding rail (910), a sliding plate (911), a threaded through block (912), a threaded rod (913), a standing platform (914), a guardrail (915) and a limiting block (916), wherein through grooves are formed in two sides of the L-shaped frame (901) in a penetrating mode, an outer ring of the bearing group (902) is connected with the L-shaped frame (901) in a matching mode through the through grooves, two sides of the L-shaped frame (901) are fixedly connected with an L connecting plate (8) and a mounting seat (1) respectively, one end of the connecting shaft (903) is fixedly connected with the bevel gear group (904), and the other end of the connecting shaft (903) penetrates through an inner ring of the bearing group (902) and extends above the L connecting plate (8), one end of the connecting rod (905) penetrates through one side of the L-shaped connecting plate (8) and the other bearing group (902) to be fixed with another bevel gear set (904), the other end of the connecting rod (905) is fixed with a hand wheel (906) and a driven gear (907), one end of the driving motor (908) is fixed with a driving gear (909), the other end of the driving motor (908) is fixed on one side above the mounting seat (1), the driving gear (909) is meshed with the driven gear (907) and is connected with the bevel gear set (904) in a meshed mode, one end of the sliding rail (910) is fixedly connected with the L-shaped connecting plate (8), one side of the sliding plate (911) is fixed with a threaded through block (912), the sliding plate (911) and the sliding rail (910) are slidably connected and mounted above the L-shaped connecting plate (8), one end of the threaded rod (913) penetrates through the threaded through block (912) and the through hole and is fixedly connected with the other end of the connecting shaft (903), and threaded rod (913) and screw thread lead to piece (912) threaded connection, stand platform (914) run through and seted up the through-hole, and stand platform (914) top and install guardrail (915), install the door fence through hinge and bayonet lock between guardrail (915), and guardrail (915) inside one side installs control button, stand platform (914) run through threaded rod (913) other end and slide (911) fixed connection through the through-hole, stopper (916) and threaded rod (913) other end fixed connection, driving motor (908) all with controller and control button electric connection.

3. The lifting platform for shot blasting machine maintenance of claim 1, wherein: the connecting disc (4), the connecting plate (5) and the T-shaped abutting block (6) are connected in a snowflake shape.

4. The lifting platform for shot blasting machine maintenance of claim 2, wherein: the bearing set (902), the connecting shaft (903), the bevel gear set (904), the connecting rod (905), the hand wheel (906), the driven gear (907), the driving motor (908) and the driving gear (909) form a rotation adjusting mechanism, and the rotation angle range of the rotation adjusting mechanism is 0-360 degrees.

5. The lifting platform for shot blasting machine maintenance of claim 2, wherein: the sliding rail (910), the sliding plate (911), the threaded through block (912), the threaded rod (913), the standing platform (914) and the connecting shaft (903) form a rotary lifting mechanism, and the lifting distance range of the rotary lifting mechanism is 0-400 cm.

6. The lifting platform for shot blasting machine maintenance of claim 2, wherein: the number of the limiting blocks (916) is 2, and the limiting blocks (916) are symmetrically arranged relative to the central line of the standing platform (914).

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