阅读说明：本技术 一种工厂维修精准定位升降平台 (Accurate location lift platform of factory maintenance ) 是由 不公告发明人 于 2019-06-01 设计创作，主要内容包括：本发明公开了一种工厂维修精准定位升降平台,包括可动台面、连接保护支撑外壳和底座,所述可动台面设置在连接保护支撑外壳上部,所述底座设置在连接保护支撑外壳下部,所述连接保护支撑外壳为空腔结构,空腔结构内部设置有承压隔板将空腔结构分割为上部空腔结构和下部空腔结构,承压隔板上部设置有固定滑轨连接板,所述承压隔板和固定滑轨连接板上分别设置有螺栓孔,螺栓孔内设置有抗冲击螺栓；本发明结构稳定合理,操作简单方便,通过连动承重升缩杆结构即可实现可动台面的升降,再通过内部设置的齿轮沿圆形齿轮运行轨道运动带动圆形滑轨沿圆形滑轨槽转动来实现可动台面的转动,可以顺利定位到指定位置,使升降平台与设备精准对接。(The invention discloses an accurate positioning lifting platform for factory maintenance, which comprises a movable table top, a connecting and protecting support shell and a base, wherein the movable table top is arranged at the upper part of the connecting and protecting support shell; the lifting platform is stable and reasonable in structure and simple and convenient to operate, the movable platform can be lifted through the linkage of the bearing lifting rod structure, the movable platform can rotate through the fact that the internal gear moves along the circular gear running track to drive the circular slide rail to rotate along the circular slide rail groove, the specified position can be smoothly located, and the lifting platform is enabled to be accurately butted with equipment.)

1. The utility model provides an accurate location lift platform of maintenance of mill, includes movable table top, connection protection support housing and base, its characterized in that: the movable table top is arranged at the upper part of the connecting and protecting support shell, the base is arranged at the lower part of the connecting and protecting support shell, the connecting and protecting support shell is of a cavity structure, a pressure-bearing partition plate is arranged in the cavity structure to divide the cavity structure into an upper cavity structure and a lower cavity structure, a fixed slide rail connecting plate is arranged at the upper part of the pressure-bearing partition plate, bolt holes are respectively arranged on the pressure-bearing partition plate and the fixed slide rail connecting plate, impact-resistant bolts are arranged in the bolt holes, and the fixed slide rail connecting plate is fixed on the;

the fixed slide rail connecting plate is provided with a circular gear running track and a circular slide rail groove, the circular slide rail is connected in the circular slide rail groove, the circular slide rail is provided with a connecting platform, the connecting platform is provided with a supporting base, the supporting base is provided with a high-strength supporting frame, a high-strength supporting connecting rod, a linkage lifting device and a bearing fixed chassis, the high-strength supporting frame is welded on the supporting base, the high-strength supporting frame is provided with a rotating shaft connection, a rectangular supporting plate is arranged at the rotating shaft connection position, one end of the rectangular supporting plate is connected with the high-strength supporting frame through the rotating shaft connection and can rotate around the rotating shaft connection for a certain angle, the other end of the rectangular supporting plate is connected on the bearing fixed chassis, the middle of the rectangular supporting plate is provided with a U-shaped through hole, one end of the high-strength support connecting rod is connected to the support base through a connecting short shaft, the other end of the high-strength support connecting rod is connected to the load-bearing fixed base plate and matched with the rectangular support plate to pull the load-bearing fixed base plate and control the pulling angle, and a connecting load-bearing rod is arranged in the middle of the high-strength support connecting rod;

the linkage lifting device is internally provided with a shell, a first motor, a second motor and a linkage bearing telescopic rod structure, the bottom of the shell is welded on a support base, Z-shaped connecting fixing strips are respectively arranged on two sides of the shell and connected with two sides of the support base, a through hole is arranged at the bottom of the support base, a first motor shaft is arranged on the first motor, a first gear is connected on the first motor shaft, the gear penetrates through the through hole at the bottom of the shell and is meshed with a circular gear running track to drive the support base to rotate so as to drive a circular sliding rail to rotate in a circular sliding rail groove, a second motor shaft is arranged on the second motor, a turbine is connected on the second motor shaft, an external protective sleeve, a rotatable inner rod and a high-strength sleeve are arranged in the linkage bearing telescopic rod structure, the external protective sleeve is arranged outside the rotatable inner rod and the high, the bottom of the high-strength sleeve is provided with a thrust self-aligning roller bearing, the upper end of the high-strength sleeve is connected with a transverse hollow shaft sleeve, the inner surface of the high-strength sleeve is provided with built-in threads, the transverse hollow shaft sleeve is arranged outside a connecting bearing rod in the middle of a high-strength supporting connecting rod and is rotatably connected with the outer part of the connecting bearing rod, the built-in threads are in matched connection with the threads at the upper end of the rotatable inner rod, and the turbine and the worm structure are mutually meshed for transmission to drive the rotatable inner rod;

the bearing fixing chassis and the bottom of the movable table top are respectively provided with a threaded hole, a set screw is arranged in the threaded hole, and the bearing fixing chassis is connected to the bottom of the movable table top through the set screw.

2. The factory maintenance accurate positioning lifting platform according to claim 1, wherein: the outer portion of the self-aligning thrust roller bearing is provided with a bearing fixing device, and the bottom of the rotatable inner rod is connected to the self-aligning thrust roller bearing and fixed on the shell through the bearing fixing device.

3. The factory maintenance accurate positioning lifting platform according to claim 1, wherein: the upper part of the connection protection supporting shell is provided with a protruding table, the bottom of the movable table top is provided with a groove, and the protruding table is connected with the groove in a matched mode.

Technical Field

The invention relates to the technical field of factory maintenance, in particular to a factory maintenance accurate positioning lifting platform.

Background

Some parts need utilize lift platform to carry out the operation when the maintenance of stopping work of mill overhauls, and the lift platform lift location that adopts at present is not very accurate, if the suitable position is not enough or exceeded to the rising position, can cause lift platform and equipment gapped, and the rising position is too high can strike equipment even, causes certain potential safety hazard and economic loss, consequently, the lift platform of an accurate location of urgent need solves above-mentioned problem.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a factory maintenance accurate positioning lifting platform.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an accurate location lift platform of maintenance of mill, includes movable mesa, connection protection support housing and base, movable mesa sets up on connection protection support housing upper portion, the base sets up in connection protection support housing lower part, connection protection support housing is the cavity structure, and cavity structure inside is provided with the pressure-bearing baffle and splits cavity structure into upper portion cavity structure and lower part cavity structure, and pressure-bearing baffle upper portion is provided with fixed slide rail connecting plate, be provided with the bolt hole on pressure-bearing baffle and the fixed slide rail connecting plate respectively, be provided with the bolt that shocks resistance in the bolt hole, fixed slide rail connecting plate is fixed in on the pressure-bearing baffle through the bolt that shocks resistance.

The fixed slide rail connecting plate is provided with a circular gear running track and a circular slide rail groove, the circular slide rail is connected in the circular slide rail groove, the circular slide rail is provided with a connecting platform, the connecting platform is provided with a supporting base, the supporting base is provided with a high-strength supporting frame, a high-strength supporting connecting rod, a linkage lifting device and a bearing fixed chassis, the high-strength supporting frame is welded on the supporting base, the high-strength supporting frame is provided with a rotating shaft connection, a rectangular supporting plate is arranged at the rotating shaft connection position, one end of the rectangular supporting plate is connected with the high-strength supporting frame through the rotating shaft connection and can rotate around the rotating shaft connection for a certain angle, the other end of the rectangular supporting plate is connected on the bearing fixed chassis, the middle of the rectangular supporting plate is provided with a U-shaped through hole, one end of the high-strength supporting connecting rod is connected to the supporting base through a connecting short shaft, the other end of the high-strength supporting connecting rod is connected to the bearing fixing base plate and matched with the rectangular supporting plate to pull the bearing fixing base plate and control the pulling angle, and a connecting bearing rod is arranged in the middle of the high-strength supporting connecting rod.

The linkage lifting device is internally provided with a shell, a first motor, a second motor and a linkage bearing telescopic rod structure, the bottom of the shell is welded on a support base, Z-shaped connecting fixing strips are respectively arranged on two sides of the shell and connected with two sides of the support base, a through hole is arranged at the bottom of the support base, a first motor shaft is arranged on the first motor, a first gear is connected on the first motor shaft, the gear penetrates through the through hole at the bottom of the shell and is meshed with a circular gear running track to drive the support base to rotate so as to drive a circular sliding rail to rotate in a circular sliding rail groove, a second motor shaft is arranged on the second motor, a turbine is connected on the second motor shaft, an external protective sleeve, a rotatable inner rod and a high-strength sleeve are arranged in the linkage bearing telescopic rod structure, the external protective sleeve is arranged outside the rotatable inner rod and the high, the bottom is provided with thrust aligning roller bearing, high strength sleeve pipe upper end is connected with horizontal hollow axle sleeve, and the internal surface is provided with built-in screw thread, horizontal hollow axle sleeve sets up and rotates in the outside of the connecting bearing bar at high strength support connecting rod middle part and connects, the screw-thread fit of built-in screw thread and rotatable interior pole upper end is connected, thereby turbine and scroll bar structure intermeshing transmission drive rotatable interior pole rotate and make rotatable interior pole realize axial motion at high strength sleeve intraductal rotation.

The bearing fixing chassis and the bottom of the movable table top are respectively provided with a threaded hole, a set screw is arranged in the threaded hole, and the bearing fixing chassis is connected to the bottom of the movable table top through the set screw.

The outer portion of the self-aligning thrust roller bearing is provided with a bearing fixing device, and the bottom of the rotatable inner rod is connected to the self-aligning thrust roller bearing and fixed on the shell through the bearing fixing device.

The upper part of the connection protection supporting shell is provided with a protruding table, the bottom of the movable table top is provided with a groove, and the protruding table is connected with the groove in a matched mode.

The invention has the beneficial effects that:

1. the movable table top lifting device is stable and reasonable in structure and simple and convenient to operate, the movable table top can be lifted through the linkage of the bearing lifting rod structure, the circular sliding rail is driven to rotate along the circular sliding rail groove through the movement of the gear arranged inside along the circular gear running track, so that the movable table top is rotated, and the movable table top lifting device is powerful in support and stable in rotation.

2. The gear arranged in the linkage lifting device is meshed with the circular gear running track to rotate so as to drive the movable table top to rotate along with the circular gear running track, so that the rotating angle of the movable table top is more accurate, the movable table top rotates more stably, the sliding rail connecting plate is connected with the pressure-bearing partition plate through the impact-resistant bolt, the stability of the supporting device is improved, particularly, the stability of the supporting device is effectively guaranteed when external impact force is applied, the transmission of the turbine and the worm rod arranged in the linkage lifting device effectively guarantees the precision of the linkage lifting device in working, the linkage lifting device can be smoothly positioned to a designated position, and the lifting platform is.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a perspective view of the support assembly of the present invention.

Figure 4 is a schematic view of the rotatable inner rod and high strength bushing connection of the present invention.

Fig. 5 is an enlarged view of the support base of the present invention.

FIG. 6 is an enlarged cross-sectional view of the gear connection of the present invention.

Detailed Description

The present invention is described in detail below with reference to fig. 1-6.

As shown in fig. 1-6, the invention comprises a movable table top 1, a connection protection support housing 2 and a base 3, wherein the movable table top 1 is arranged on the upper portion of the connection protection support housing 2, the base 3 is arranged on the lower portion of the connection protection support housing 2, the connection protection support housing 2 is a cavity structure 4, a pressure-bearing partition plate 5 is arranged in the cavity structure 4 to divide the cavity structure 4 into an upper cavity structure 6 and a lower cavity structure 7, a fixed slide rail connecting plate 8 is arranged on the upper portion of the pressure-bearing partition plate 5, bolt holes 9 are respectively arranged on the pressure-bearing partition plate 5 and the fixed slide rail connecting plate 8, impact-resistant bolts 10 are arranged in the bolt holes 9, and the fixed slide rail connecting plate 8 is fixed on.

The fixed slide rail connecting plate 8 is provided with a circular gear running track 11 and a circular slide rail groove 12, the circular slide rail groove 12 is internally connected with a circular slide rail 13, the circular slide rail 13 is provided with a connecting platform 14, the connecting platform 14 is provided with a supporting base 15, the supporting base 15 is provided with a high-strength supporting frame 16, a high-strength supporting connecting rod 17, a linkage lifting device 18 and a bearing fixed base plate 19, the high-strength supporting frame 16 is welded on the supporting base 15, the high-strength supporting frame 16 is provided with a rotating shaft connection 20, a rectangular supporting plate 21 is arranged at the rotating shaft connection 20, one end of the rectangular supporting plate 21 is connected with the high-strength supporting frame 16 through the rotating shaft connection 20 and can rotate for a certain angle around the rotating shaft connection 20, the other end is connected on the bearing fixed base plate 19, the middle of the rectangular supporting plate, the support base 15 upper end both sides are provided with shaft hole 23 respectively, are provided with in the shaft hole 23 and connect minor axis 24, the one end of high strength support connecting rod 17 is connected on supporting base 15 through connecting minor axis 24, and the other end is connected on the fixed chassis of bearing 19 and is drawed and control the pulling angle with the cooperation of rectangle supporting disk 21 together to the fixed chassis of bearing 19, high strength support connecting rod 17 middle part is provided with connects the bearing bar 25.

The linkage lifting device 18 is internally provided with a shell 26, a first motor 27, a second motor 28 and a linkage bearing lifting and contracting rod structure 29, the bottom of the shell 26 is welded on the support base 15, two sides of the shell are respectively provided with a Z-shaped connecting fixing strip 30 which is connected with two sides of the support base 15, the bottom of the shell is provided with a through hole 31, the first motor 27 is provided with a first motor shaft 32, the first motor shaft 32 is connected with a gear 33, the gear 33 penetrates through the through hole 31 at the bottom of the shell 26 to be meshed with the circular gear running track 11 to drive the support base 15 to rotate so as to drive the circular slide rail 13 to rotate in the circular slide rail groove 12, the second motor 28 is provided with a second motor shaft 34, the second motor shaft 34 is connected with a turbine 35, the linkage bearing lifting and contracting rod structure 29 is internally provided with an external protective sleeve 36, a rotatable inner rod 37 and a high, the upper end of the rotatable inner rod 37 is provided with a thread 39, the lower part of the rotatable inner rod is provided with a clamping table 40 and a scroll structure 41, the bottom of the rotatable inner rod is provided with a self-aligning thrust roller bearing 42, the upper end of the high-strength sleeve 38 is connected with a transverse hollow shaft sleeve 43, the inner surface of the high-strength sleeve is provided with a built-in thread 44, the transverse hollow shaft sleeve 43 is arranged outside the connecting bearing rod 25 in the middle of the high-strength supporting connecting rod 17 and is in rotating connection, the built-in thread 44 is in matching connection with the thread 39 at the upper end of the rotatable inner rod 37, and the turbine 35 and the scroll structure 41 are in meshed transmission to drive the.

The bearing fixed chassis 19 and the bottom of the movable table board 1 are respectively provided with a threaded hole 45, a set screw 46 is arranged in the threaded hole 45, the bearing fixed chassis 19 is connected with the bottom of the movable table top 1 through a set screw 46, a bearing fixing device 47 is arranged outside the self-aligning thrust roller bearing 42, the bottom of the rotatable inner rod 37 is connected to the self-aligning thrust roller bearing 42 and fixed on the shell 26 through a bearing fixing device 47, the upper part of the connection protection support shell 2 is provided with a raised platform 48, the bottom of the movable table board 1 is provided with a groove 49, the raised platform 48 is matched and connected with the groove 49, the rotatable inner rod 37 and the high-strength sleeve 38 are connected in a matched manner and penetrate through the U-shaped through hole 22 in the middle of the rectangular supporting plate 21 to be rotatably connected with the connecting bearing rod 25 in the middle of the high-strength supporting connecting rod 17 and support the high-strength supporting connecting rod 17 to move up and down.

The self-aligning thrust roller bearing 42 can bear a large axial load, the radial load cannot exceed 55% of the axial load, and the self-aligning thrust roller bearing has good stability.

Further, the load-bearing fixed chassis 19 keeps horizontal displacement under the matching pulling of the high-strength support connecting rod 17 and the rectangular support plate 21, thereby ensuring that the connected movable table top 1 always keeps horizontal and can move.

According to the invention, the first motor 27 rotates to drive the connected turbine 35 and the worm structure 41 to rotate in a matched manner, the rotatable inner rod 37 connected with the worm structure 41 rotates in the high-strength sleeve 38 to enable the high-strength sleeve 38 to move upwards in an axial direction, the high-strength support connecting rod 17 is pushed to support upwards through the connecting bearing rod 25 connected with the high-strength sleeve 38, so that the bearing fixed chassis 19 is pulled to lift upwards, the rectangular support plate 21 connected to the bottom of the bearing fixed chassis 19 plays a role in pulling when the bearing fixed chassis 19 lifts upwards to enable the bearing fixed chassis 19 to lift upwards and keep horizontal, so that the movable table top 1 is lifted and lowered stably, the first motor 27 rotates to drive the gear 33 to rotate along the circular gear running track 11 in a meshed manner, and the circular slide rail 13 rotates in the circular slide rail groove 12 to adjust the angle of the connected movable table top 1.