CN213923851U

CN213923851U - Column type lifter frame structure

Info

Publication number: CN213923851U
Application number: CN202023013568.7U
Authority: CN
Inventors: 李贺; 张跃洋; 李亮; 崔永波; 刘丽敏
Original assignee: Sino Italian Taida Yingkou Garage Equipment Co ltd
Current assignee: Sino Italian Taida Yingkou Garage Equipment Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-10
Anticipated expiration: 2030-12-15

Abstract

The utility model provides a column type machine frame construction that lifts belongs to the machine of lifting technical field, especially relates to a column type machine of lifting. The utility model provides a column type machine frame construction of lifting that excellent in use effect. The frame structure of the column type lifter comprises a bearing flat plate (1-3), and is characterized in that the bearing flat plate (1-3) is connected with a pulley (1-7), the pulley (1-7) is sleeved on a column (1-8), and the pulley (1-7) is connected with a winch (1-4); one end of a steel wire rope (1-9) is fixed on a roller of a winch (1-4), then bypasses a pulley (1-10) at the upper end of an upright post (1-8) and is fixed in a pulley to form a movable pulley structure; a guardrail (1-6) is arranged at the rear end of the bearing flat plate (1-3); the bearing flat plate (1-3) is of a telescopic structure, and the telescopic end of the bearing flat plate (1-3) is connected with the guardrail (1-6) through a telescopic locking rope (1-5).

Description

Column type lifter frame structure

Technical Field

The utility model belongs to the technical field of the machine of lifting, especially, relate to a column type machine of lifting.

Background

With the rapid development of economy, the shortage of storage space brings great trouble to people, and the shortage of the use space can be made up only by improving the utilization rate of the spaces with different heights. The single-column lifting machine can lift heavy objects conveniently and laborsavingly, has the effects of saving time and labor and is convenient for placing articles. The existing single-column lifting adopts a hydraulic structure, and a pump station with the structure has the advantages of large occupied space, high noise and environmental pollution caused by hydraulic oil. And a single-column lifter with a good use effect needs to be designed, and a matched column lifter frame structure with a good use effect needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to above-mentioned problem, a column type machine frame construction of lifting that excellent in use effect is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme that the frame structure of the column type lifter comprises a bearing flat plate (1-3), and is characterized in that the bearing flat plate (1-3) is connected with a pulley (1-7), the pulley (1-7) is sleeved on a column (1-8), and the pulley (1-7) is connected with a winch (1-4);

one end of a steel wire rope (1-9) is fixed on a roller of a winch (1-4), then bypasses a pulley (1-10) at the upper end of an upright post (1-8) and is fixed in a pulley to form a movable pulley structure;

a guardrail (1-6) is arranged at the rear end of the bearing flat plate (1-3);

the bearing flat plate (1-3) is of a telescopic structure, and the telescopic end of the bearing flat plate (1-3) is connected with the guardrail (1-6) through a telescopic locking rope (1-5);

the front lower end of the bearing flat plate (1-3) is provided with a foldable safety support (1-2);

the front end of the telescopic end is provided with an approach bridge (1-1), and a safety support (1-2) is arranged at the front lower end of the telescopic end;

the bearing flat plate (1-3), the pulley (1-7), the guardrail (1-6) and the winch (1-4) are fixed (connected by screws) to form a lifting whole;

the bearing flat plate (1-3) comprises a middle reinforcing beam assembly (3-19), the middle reinforcing beam assembly (3-19) comprises two middle beam assembly parts (3-19-1) on two sides, a middle beam assembly lug (3-19-2) is arranged at the rear end of each middle beam assembly part (3-19-1), a middle beam reinforcing pipe (3-19-4) is connected between the two middle beam assembly parts (3-19-1) on two sides, and a reinforcing rib supporting angle (3-19-3) is arranged at the corner of each middle beam reinforcing pipe (3-19-4);

the middle reinforcing beam assembly (3-19) is respectively connected with the right support arm assembly (3-1) and the left support arm assembly (3-15) through the connecting pipe assembly III (3-13), the connecting pipe assembly II (3-14) and the connecting pipe assembly I (3-16),

a left telescopic arm assembly (3-12) is arranged in the left support arm assembly (3-15), a plurality of limiting holes are formed in the left telescopic arm assembly (3-12), and the bearing flat plate is fixed by limiting screws (3-2) in different extension sizes;

the first telescopic arm assembly (3-5) and the second telescopic arm assembly (3-4) are respectively arranged in the middle stiffening beam assemblies (3-19); the right telescopic arm assembly (3-3) is arranged in the right support arm assembly (3-1) and the left telescopic arm assembly (3-12) is arranged in the left support arm assembly (3-15); the right telescopic arm assembly part (3-3), the second telescopic arm assembly part (3-4), the first telescopic arm assembly part (3-5) and the front end of the left telescopic arm assembly part (3-12) are fastened with the flat plate front end assembly part (3-9) by screws;

slide way wheels (3-8) arranged on two sides of the approach bridge pedal assembly (3-6) are fixed by a shaft through clamp springs (3-7), and are integrally arranged in a slide way of the flat plate front end assembly (3-9), and the rear end of the approach bridge pedal assembly is limited by an approach bridge flat plate limit (3-10).

As a preferable scheme, the outer lower ends of the first connecting assembly (3-16) and the third connecting assembly (3-13) are provided with rubber pads (3-17).

As another preferred scheme, the rollers (100) of the pulley (1-7) of the utility model use the four corners of the upright posts (1-8) as the slideways to slide (see figure 14).

As another preferred scheme, hoist engine (1-4) adopt turbine all-in-one (7-1) with turbine case, servo motor integration together, flat key (7-2) are packed into to the epaxial dress of hoist engine (1-4), and the cylinder closes piece (7-3) and packs into turbine all-in-one (7-1) epaxially, and in turbine all-in-one (7-1) shaft hole was packed into to wire rope (6-22) one end, tightly withstands with interior hexagonal (7-4), locks with nut (7-4).

As another preferred scheme, the main shaft (7-1-7) of the turbine all-in-one machine (7-1) is fixed with the turbine (7-1-6) by a flat key (7-1-6), the main shaft (7-1-7) is fixedly connected with the upper shell (7-1-8) and the lower shell (7-1-1) by a bearing (7-1-2), the worm (7-1-3) is meshed with the turbine (7-1-6), the worm (7-1-3) is fixedly connected with the servo motor (7-1-4), and the servo motor (7-1-4) is fixed on the upper shell (7-1-8) and the lower shell (7-1-1) (see figure 7).

As another preferred scheme, the safety support (1-2) of the utility model comprises a quick bolt (2-1), the quick bolt (2-1) passes through a support pipe sleeve (2-2) and is fixed with a plurality of hole sites of a support leg extension bar (2-3) according to actual different heights, the support leg extension bar (2-3) is connected with a foot base (2-4), and the foot base (2-4) is adjusted to support with the ground when the safety support (1-2) is fixed.

As another preferred scheme, the utility model discloses stop screw (3-2) adopt two sections screw thread modes, and when first section screw back out, stop back out when seeing no screw thread, prevent that stop screw from droing, the flexible arm closes piece in a left side (3-12) can slide in the support arm closes piece in a left side (3-15).

As another preferred scheme, the right support arm closes piece (3-1), increases half hole on the left support arm closes piece (3-15), and when half hole and spacing hole coincide, locking stop screw (3-2) screw in, extension end is fixed.

As another preferred scheme, the guardrail (1-6) of the utility model comprises a main cross beam (4-11), the upper end of the middle part of the main cross beam (4-11) is connected with the left (4-12) and right (4-13) lower ends of a longitudinal stiffening beam, the upper ends of the left (4-12) and right (4-13) longitudinal stiffening beams are connected with the lower end of the middle part of the guardrail stiffening cross beam (4-2), the two ends of the guardrail stiffening cross beam (4-2) are connected with the upper end of the left longitudinal beam (4-6) and the upper end of the right longitudinal beam (4-14), and the lower ends of the two sides of the main cross beam (4-11) are provided with stiffening angles (4-15);

a left lacing wire (4-7) is arranged between the upper part of the left longitudinal beam (4-6) of the guardrail and the left rear part of the bearing flat plate (1-3), and a right lacing wire (4-16) is arranged between the right longitudinal beam (4-14) of the guardrail and the right rear part of the bearing flat plate (1-3).

As another preferred scheme, the utility model discloses protect rope (4-10) (guardrail space is big, when the goods is deposited, prevents to topple over, intercepts the goods) and penetrates and protects rope fixing bolt (4-9) downthehole, then protects rope fixing bolt (4-9) screw in protecting rope locking bolt (4-8) in guardrail left longeron (4-6) and makes protecting rope (4-10) lock; the protecting rope (4-10) penetrates into the protecting rope locking screw (4-18) and is locked by two nuts (4-17), and after being locked, the protecting rope penetrates into the right longitudinal beam (4-14) of the guardrail, the flat washer (4-19) is locked by the nuts (4-17) and the tightness of the protecting rope (4-10) is adjusted.

As another preferred scheme, the utility model discloses main beam (4-11) adopt the I-steel structure.

As another preferred scheme, the upper end of the middle part of the guardrail reinforcing beam (4-2) of the utility model is buckled with an inverted U-shaped reinforcing groove (4-3).

As another preferred scheme, the utility model discloses be provided with strengthening rib journal angle (4-4) between vertical stiffening beam left (4-12), vertical stiffening beam right (4-13) upper end and guardrail strengthening beam (4-2).

As another preferred scheme, the left longitudinal beam (4-6) and the right longitudinal beam (4-14) of the guardrail adopt square tubes, and the inner sides of the upper ends of the square tubes are provided with pipe plugs (4-1).

As another preferred scheme, the upright (1-8) of the utility model is arranged on a bottom plate (5-3), an upright reinforcing rib (5-1) is arranged between the lower part of the upright (1-8) and the bottom plate (5-3), a channel steel fixing block (5-2) is arranged on the bottom plate (5-3), and the channel steel fixing block (5-2) is connected with a base reinforcing channel steel (5-4) through a bolt component (5-7);

the upper ends of the upright posts (1-8) are provided with transverse pulley shaft fixing pipes (5-18), pulleys (5-21) are pressed into shaft sleeves (5-20), are arranged into the pulley fixing shafts (5-19) and are fixedly locked by screws (5-23) and upright post pulley pads (5-22).

As another preferred scheme, the upright (1-8) of the utility model adopts an upright square tube (5-11), and the upper end of the upright square tube (5-11) is connected with an upright sealing plate (5-16) through a screw (5-17).

As another preferred scheme, the utility model discloses a coaster upper limit position limiting component that can adjust the position from top to bottom and fix is provided with on stand (1-8).

As another preferred scheme, the coaster upper limit position limit part of the utility model includes screw (5-8) and travel switch (6-21) on the coaster, and screw (5-8) are revolved the screw hole of slide stopper (5-9) and are offset with stand (1-8), and slide stopper (5-9) set up in vertical slide (5-10) that the cross section is the U-shaped, and the U-shaped open end links to each other with stand (1-8), are provided with vertical bar form opening on the vertical slide (5-10) outer riser, and screw (5-8) pass vertical bar form opening.

The slideway limiting blocks (5-9) slide in the slideways (5-10), when the height is any, the bolts (5-8) are used for fastening (the front ends of the bolts (5-8) are jacked to the upright posts, then the slideway limiting blocks (5-9) are jacked up, then the gaps between the slideway limiting blocks (5-9) and the inner walls of the slideways (5-10) are not clamped, and at the moment, when the pulley ascends, the contact of the stroke switches (6-21) on the pulley stops ascending when the bolts (5-8) are hit.

The screws (5-8) can be arranged at any height for limiting, so that the phenomenon that the collision phenomenon is caused because the goods are stacked too high and the collision phenomenon is caused because the upper highest point is touched in the ascending process without triggering the upper limiting (the heights of the stacked goods are possibly different, the stacked goods are stacked too high, the goods are touched on the ceiling top in the ascending process, the ascending highest height needs to be set by adjusting the sliding block at the moment), and the goods are stored in any height space by fully utilizing the height.

As another preferred scheme, the pulley fixing shaft (5-19) of the utility model is arranged in the pulley fixing pipe (5-18) and is locked by the fixing shaft pad (5-15), the flat washer (5-14), the spring washer (5-13) and the screw (5-12).

As another preferred scheme, the pulley (1-7) of the utility model comprises a pulley assembly (6-1), a pulley roller (6-2) press-in shaft sleeve (6-3) penetrates through a pulley roller shaft (6-4) and is fixed on the pulley assembly (6-1);

the cover (6-8), the cover II (6-29) and the wire groove (6-32) are fixed on the pulley assembly (6-1) by screws (6-31);

the turbine box limiting seat (6-28) and the distribution box (6-30) are fixed on the pulley assembly (6-1) by screws (6-28);

the coil (6-27) penetrates into the pulley assembly (6-1);

a travel switch assembly (6-21) is arranged on the pulley assembly (6-1);

a locking hook (6-13) is arranged on the pulley assembly (6-1);

the pulley assembly (6-1) is provided with a pulley pulling assembly (6-23), the lifting rope assembly (6-22) penetrates through the pulley pulling assembly (6-23), and the upper end of the lifting rope assembly (6-22) is connected with a steel wire rope.

As shown in figure 6, the pulley (1-7) has the main bearing function of the front lower pulley roller and the rear upper pulley roller (6-2), and the rear upper pulley roller (6-2) has the function of adjusting the gap and the gap with the upright post is adjusted by the set screw (6-7). The pulley rollers on the two sides mainly play a role in guiding.

The pulley rollers (6-2-2) and the pulley rollers (6-2-5) play a main bearing role, the pulley rollers (6-2-2) have a function of adjusting the gap, the gap between the pulley rollers and the upright post is adjusted by rotating the set screws (6-7), and the included angle a (figure 17) between the bearing flat plate (1-3) and the ground can be adjusted. The pulley rollers (6-2-3), the pulley rollers (6-2-4), the pulley rollers (6-2-7) and the pulley rollers (6-2-8) mainly play a role in guiding, wherein the pulley rollers (6-2-7) and the pulley rollers (6-2-8) have a function of adjusting gaps, the gaps between the pulley rollers and the upright posts are adjusted by using the set screws (6-7), and the heights L1 and L2 (figure 17) of the two sides of the bearing flat plate (1-3) can be adjusted.

As another preferred scheme, the utility model discloses coaster gyro wheel (6-2) axle sleeve (6-3) of impressing penetrates coaster gyro wheel axle (6-4) and fixes and closes piece (6-1) at coaster, closes and to close and be provided with clearance adjustment jackscrew (6-7) corresponding to coaster gyro wheel axle (6-4) on piece (6-1).

As another preferred scheme, the travel switch assembly (6-21) (the contact of the travel switch assembly (6-21) is contacted with the screw (5-8) to stop rising) is fixed on the pulley assembly (6-1) by the screw (6-18), the spring washer (6-19) and the flat washer (6-20).

As another preferred scheme, the locking hook (6-13) and the flat washer (6-12) of the utility model penetrate through the lock fixing shaft (6-11) and are fixed on the two sides of the pulley assembly (6-1) and are limited by the shaft clamp spring (6-10);

one end of a lock tension spring (6-9) is fixed on the pulley assembly (6-1) by a screw (6-15), and the other end is fixed on a lock hook (6-13);

one end of the safety rope (1-9) is fixed on the lifting rope assembly (6-22), the other end (6-16) is fixed on the lock hook (6-13) through a screw (6-15), and the gap between the lock hook (6-13) and the upright column square tube (5-11) is adjusted through the galvanized double clamp (6-17).

As another preferred scheme, after the tackle pulling assembly (6-23) is screwed into the tackle assembly (6-1) at one threaded end and fastened, the other end is locked on the tackle assembly (6-1) by using a flat washer (6-24) and a nut (6-25).

As another preferred scheme, the rope (1-5) of the utility model comprises an upper locking unit (8-3) and a lower locking unit (8-6), the upper locking unit (8-3) is screwed into the basket nut (8-5), the lower locking unit (8-6) is screwed into the basket nut (8-5) by the pull rope, and the screwing size is adjusted; the lower lock (8-6) penetrates through the tensioning fixing seat (8-7), and the tensioning fixing seat (8-7) is fixed with the bearing flat plate (1-3); the upper locking I (8-3) penetrates into the guardrail (1-6) and is fixed and adjusted by a nut (8-1) and a flat washer (8-2).

As another preferred scheme, the winding drum of the winch (1-4) is connected with one end of a steel wire rope (1-9), the other end of the steel wire rope (1-9) bypasses a pulley (1-10) at the upper end of a stand column (1-8) to be connected with a pulley pulling assembly (6-23), and the pulley pulling assembly (6-23) is connected and fastened with a pulley (1-7);

one end of a lock tension spring (6-9) is hung on an upper end screw (6-15) at the upper end of the lock hook (6-13), the other end is hung on a lower end screw (1-15), and the screw (1-15) is arranged on the pulley (1-7);

one end of the safety rope (1-11) is fixed on the upper end screw (6-15), the other end passes through the lifting rope assembly (6-22), and the length of the safety rope (1-11) is adjusted and fixed by the double clamp (6-17);

the upright posts (1-8) are provided with lock limiting grooves matched with the lock hooks (6-13).

As another preferred scheme, the pulley pulling assembly (6-23) of the utility model is connected and fastened with the connecting pieces (1-12) on the pulley, and the flat plates (1-13) are arranged below the connecting pieces (1-12).

As another preferred scheme, the double cards (6-17) of the utility model adopt galvanized double cards.

As another preferred scheme, the safety gap (shown in figure 10) of the utility model is 5mm between the latch hook (6-13) and the upright post (1-8).

As another preferred scheme, the utility model discloses latch hook (6-13) have the gap outside the lock spacing groove with stand (1-8) under the adjustment of safety rope (1-11), and lock extension spring (6-9) is in the state of lengthening this moment, and the resilience force is less than the pulling force of safety rope (1-11).

As another preferred scheme, the utility model discloses wire rope (1-9) breaks, and lifting rope assembly (6-22) and safety rope (1-11) draw along the coaster under the effect of gravity and draw and drag assembly (6-23) and come off, coaster (1-7) gliding under the effect of gravity, and under the circumstances that safety rope (1-11) pulling force was less than the resilience force of lock extension spring (6-9) this moment, latch hook (6-13) and flat board (1-13) coincidence, latch hook (6-13) spring into in stand (1-8) lock spacing groove the coaster stops the gliding.

Secondly, the tackle pulls and draws assembly (6-23) fracture, and coaster (1-7) slide under the action of gravity, and the unable bearing of safety rope (1-11) breaks, and under the circumstances of only lock extension spring (6-9) resilience force of latch hook (6-13) this moment, latch hook (6-13) and dull and stereotyped (1-13) coincidence, latch hook (6-13) spring in stand (1-8) lock spacing groove the tackle stops the gliding.

In addition, the lock hook (6-13) is overlapped with the flat plate (1-13) and enters the lock limiting groove to be overlapped with the limiting groove lower part under the action of the resilience tension of the lock tension spring (6-9). At the moment, the lock achieves the safety protection effect.

The utility model has the advantages of.

The utility model has the advantages of stable structure, easy assembly, disassembly and use due to the matching connection of each part of the bearing flat plate (1-3).

The utility model discloses a hoist engine drive coaster removes, and occupation space is little, the noise is little, the non-staining environment.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.

Fig. 1 is the structure schematic diagram of the single-column lifter of the utility model.

Fig. 2 is a schematic view of the safety support of the present invention.

Figure 3 is a schematic view of the load-bearing plate of the present invention.

Fig. 4 is a schematic view of the guardrail of the present invention.

Fig. 5 is a schematic view of the stand column of the present invention.

Figure 6 schematic diagram of the utility model discloses the coaster.

Fig. 7 is a schematic diagram of the hoisting of the present invention.

Figure 8 the utility model discloses taut rope schematic diagram.

Fig. 9 is a schematic structural view of the lock of the present invention in a normal operating state.

Fig. 10 is a schematic view of the lock of the mechanism of the present invention in normal operation.

Fig. 11 is a schematic structural view of the utility model when the pulley and the steel wire rope are broken.

Fig. 12 is a schematic structural view of the pulley of the present invention when a break occurs between pulling assemblies.

Fig. 13 is a schematic diagram of the lock of the present invention when activated.

Figure 14 is a view of the trolley rollers in sliding contact with the uprights.

Fig. 15 shows a wire rope fixing method.

Fig. 16 is a schematic view of a trolley roller.

Fig. 17 is a schematic view of a trolley roller adjustment.

Fig. 18 is a schematic view of a slide stopper in use.

Detailed Description

As shown in figure 1, the column type lifting machine of the utility model comprises an approach bridge (1-1) and a bearing flat plate (1-3) which slide on an inner slide way, can be manually pulled out when needed, and is applied to the transition between the lowest part and the ground. The safety support (1-2) is arranged on the bearing flat plate (1-3) and used for supporting the ground when the bearing flat plate is lifted to a certain height and parked for a long time, the bearing flat plate (1-3) can be extended, a tensioning rope (1-5) is needed for adjustment, and the guardrail (1-6) is connected to ensure the stability of four corners of the bearing flat plate (1-3). The bearing flat plate (1-3), the pulley (1-7), the guardrail (1-6) and the winch (1-4) are fixed by screws to form a lifting whole, the pulley (1-7) is sleeved on the upright post (1-8), and the rollers of the pulley (1-7) slide by taking four corners of the upright post (1-8) as slideways. One end of a steel wire rope (1-9) is fixed on a roller of a turbine servo all-in-one machine of the winch (1-4), then the steel wire rope bypasses the pulley (1-10) and is fixed in the pulley to form a movable pulley structure. The winding drum of the winch (1-4) rotates to drive the steel wire rope (1-9) and then drive the pulley (1-7) and the connecting piece thereof to slide up and down along the upright post (1-8).

The utility model discloses lower extreme is provided with folding safety support (1-2) before bearing flat board (1-3), and bearing flat board (1-3) rear end is provided with guardrail (1-6), and the protectiveness of equipment is good, safe and reliable.

As shown in figure 2, the safety support of the utility model comprises a fast bolt (2-1) passing through a support pipe sleeve (2-2) and a plurality of hole sites of a support leg extension bar (2-3) to be fixed according to actual different heights, the support leg extension bar (2-3) is connected with a foot base (2-4), and the adjustable foot base (2-4) is supported with the ground when the safety support is fixed.

As shown in figure 3, the middle beam assembly I (3-19-1), the middle beam assembly lug (3-19-2), the reinforcing rib supporting angle (3-19-3) and the middle beam reinforcing pipe (3-19-4) are assembled and welded to form the middle reinforcing beam assembly (3-19). The middle reinforcing beam assembly (3-19), the right support arm assembly (3-1), the connecting pipe assembly III (3-13), the connecting pipe assembly II (3-14), the left support arm assembly (3-15), the connecting pipe assembly I (3-16) and the rubber pad (3-17) are respectively fixed by bolts. The left telescopic arm assembly (3-12) is arranged in the left support arm assembly (3-15), wherein a plurality of limiting holes are formed in the left telescopic arm assembly (3-12) and the bearing flat plates are fixed by limiting screws (3-2) in different extension sizes, the limiting screws (3-2) adopt a two-section thread mode, when the first section of screws are screwed out, the screwing-out is stopped when no thread is seen, the limiting screws are prevented from falling off, and the left telescopic arm assembly (3-12) can slide in the left support arm assembly (3-15). Because the hole site fixed gear can not be seen, the hole site can not be butted correctly and timely, half holes are added on the right support arm assembly (3-1) and the left support arm assembly (3-15), and when the half holes coincide with the limiting holes, the locking limiting screws (3-2) are screwed in, so that the fixing effect of the extension end is realized. The first telescopic arm assembly (3-5) and the second telescopic arm assembly (3-4) are respectively arranged in the middle reinforcing beam assembly (3-19). The right telescopic arm assembly (3-3) is arranged in the right support arm assembly (3-1) and the left telescopic arm assembly (3-12) is arranged in the left support arm assembly (3-15). The right telescopic arm assembly (3-3), the second telescopic arm assembly (3-4), the first telescopic arm assembly (3-5) and the front end of the left telescopic arm assembly (3-12) are fastened with the flat plate front end assembly (3-9) by screws. Slide wheels (3-8) arranged on two sides of the approach bridge pedal assembly (3-6) are fixed by a shaft clamp spring (3-7), are integrally arranged in a slide of the flat plate front end assembly (3-9) and hidden in the bearing flat plate when not in work, the rear end of the approach bridge pedal assembly is limited by an approach bridge flat plate (3-10), and the front end of the approach bridge pedal assembly is manually pulled out to be attached to the ground to form a certain included angle to play a role in transitional connection when in work. Rubber pads (3-17) are fixed at the lower end of the platform to play a role in buffering, and the bearing flat plate can be prevented from being scraped and bumped with the ground below.

The bearing flat plate can adopt a bolt connection structure for thin-wall section bars, and has the advantages of convenient transportation, simple and easy installation, light overall weight and capability of improving the load capacity. The bearing flat plate has an extension function, so that the space is greatly saved, and the storage range of different goods is not limited. The dull and stereotyped front end of bearing has hidden approach bridge function, realizes transition between the perfect and ground of minimum, and non-minimum can be at any time manual income dull and stereotyped inside. The front end safety support can be put down when the bearing platform is fixed at a certain height for a long time, and the supporting legs can be adjusted in multiple gears and are suitable for different heights in a normal use state. The two sides of the bearing flat plate are respectively provided with a tensioning device which is fixed at the front ends of the guardrail and the bearing flat plate, and the tensioning devices are adjusted by adopting standard part turnbuckles, so that the stress at the front end of the bearing flat plate is effectively shared by the mechanical structure, and the bearing flat plate can be uniformly stressed even if the front end of the bearing flat plate is overloaded.

As shown in figure 4, the main cross beam (4-11) adopts an I-shaped steel structure, and is welded with a guardrail reinforcing cross beam (4-2), a reinforcing groove (4-3), a reinforcing rib supporting angle (4-4), a guardrail left longitudinal beam (4-6), a longitudinal reinforcing beam left (4-12), a longitudinal reinforcing beam right (4-13) and a guardrail right longitudinal beam (4-14) to form a guardrail main body through a connecting reinforcing angle (4-15). The pipe plug (4-1) is arranged in the square pipe of the left longitudinal beam (4-6) and the right longitudinal beam (4-14) of the guardrail. The left (4-7) of the fixed tie bar is connected to the left longitudinal beam (4-6) of the guardrail by a screw (4-5). The right (4-16) of the fixed tie bar is connected to the right longitudinal beam (4-14) of the guardrail by a screw (4-5). The protecting rope (4-10) penetrates into the hole of the protecting rope fixing bolt (4-9), and then the protecting rope fixing bolt (4-9) is screwed into the protecting rope locking bolt (4-8) in the left longitudinal beam (4-6) of the guardrail to lock the protecting rope (4-10). The protecting rope (4-10) penetrates into the protecting rope locking screw (4-18) and is locked by two nuts (4-17), and after being locked, the protecting rope penetrates into the right longitudinal beam (4-14) of the guardrail, the flat washer (4-19) is locked by the nuts (4-17) and the tightness of the protecting rope (4-10) is adjusted.

The main beam of the guardrail can adopt standard H-shaped steel, and the bending moment, the pressure load and the deflection load are superior to other structures.

As shown in fig. 5, the upright post reinforcing ribs (5-1), the channel steel fixing blocks (5-2), the bottom plate (5-3), the switch slide ways (5-10), the upright post square tubes (5-11) and the pulley shaft fixing tubes (5-18) are assembled and welded into an upright post assembly. The base reinforcing channel steel (5-4) is combined by bolts (5-7). The slide way limiting blocks (5-9) are arranged in the switch slide ways (5-10) and locked at proper positions by screws (5-8). The upright post close plates (5-16) are fixed by screws (5-17). The pulleys (5-21) are pressed into the shaft sleeves (5-20) and are arranged into the pulley fixing shafts (5-19) to be fixed and locked by the screws (5-23) and the upright pulley pads (5-22). The pulley fixing shaft (5-19) is arranged in the pulley fixing tube (5-18) and is locked by a fixing shaft pad (5-15), a flat washer (5-14), a spring washer (5-13) and a screw (5-12).

As shown in figure 6, the pulley roller (6-2) press-in shaft sleeve (6-3) penetrates through the pulley roller shaft (6-4) and is fixed on the pulley assembly (6-1) and the clearance is adjusted by the inner hexagonal flat end tightening (6-7). The cover (6-8), the cover II (6-29) and the wire groove (6-32) are fixed on the pulley assembly (6-1) by screws (6-31). The turbine box limiting seat (6-28) and the distribution box (6-30) are fixed on the pulley assembly (6-1) by screws (6-28). (6-27) the thread passing coil penetrates into the pulley assembly (6-1). The pipe plug (6-26) is arranged in the pulley assembly (6-1). The travel switch assembly (6-21) is fixed on the pulley assembly (6-1) by using screws (6-18), spring washers (6-19) and flat washers (6-20). The latch hook (6-13) and the flat washer (6-12) penetrate through the lock fixing shaft (6-11) and are fixed on two sides of the pulley assembly (6-1) and are limited by the shaft clamp spring (6-10). One end of the lock tension spring (6-9) is fixed on the pulley assembly (6-1) by a screw (6-15), and the other end is fixed on the lock hook (6-13). The pressing end of the safety rope pressing (6-17) is fixed on the lifting rope assembly (6-22), the other end of the safety rope pressing (6-17) is fixed on the lock hook (6-13) through a screw (6-15), and the gap between the lock hook (6-13) and the upright column square tube (figure 5, 5-11) is adjusted through the galvanized double clamp (6-17). One threaded end of the pulley pulling assembly (6-23) is screwed into the pulley assembly (6-1) to be fastened, and the other end of the pulley pulling assembly is locked on the pulley assembly (6-1) by a flat washer (6-24) and a nut (6-25). The sling mount (6-22) penetrates the tackle pull mount (6-23).

As shown in figure 7, the turbine integrated machine (7-1) is integrated by a servo motor, a turbine and a worm speed reducer, has small occupied space and attractive appearance, and the turbine and the worm have a mechanical self-locking function. A flat key (7-2) is arranged on the shaft, and a roller assembly (7-3) is arranged on the shaft of the turbine all-in-one machine (7-1). A steel wire rope (as shown in figure 6, one end of the steel wire rope 6-22) is arranged in a shaft hole of the turbine all-in-one machine (7-1), is propped by an inner hexagonal fastening (7-4) and is locked by a nut (7-4).

The winding part is composed of a turbine servo integrated machine (the shell is formed in one step by aluminum die casting, and a turbine box and a servo motor are integrated inside the turbine servo integrated machine) and a roller assembly, and then one end of a steel wire rope is fixed by the roller assembly. The winding part is arranged on the sliding body, a steel wire rope wound out from the winding roller assembly penetrates through the upper pulley of the upright post and then is fixed on the sliding body, the motor rotates to drive the winding drum, and the roller winds the steel wire rope to enable the sliding body and the related connecting piece to rise, fall or stop. The structure forms the moving process of the movable pulley, has the function of saving half force, prolongs the service life of the steel wire rope, and reasonably utilizes the power of the servo motor. The servo motor is adopted for control, and the functions of speed adjustment, accurate ascending and descending are achieved. The speed reducer adopts a worm wheel and worm structure, the mechanical self-locking advantage of the worm wheel and the worm is effectively utilized, the condition that the sliding body and the bearing flat plate slide down when the motor breaks down is avoided, and the safety of the machine is further enhanced.

As shown in figure 8, a first (8-3) lock on the pull rope (or a second (8-4) lock on the pull rope is used when the bearing flat plate has different sizes) is screwed into the turnbuckle (8-5), and the screwing size is adjusted. The lower locking (8-6) of the pull rope is screwed into the basket nut (8-5) to adjust the screwing size. The lower lock (8-6) of the pull rope penetrates through the tensioning fixed seat (8-7), and the tensioning fixed seat is fixed with the bearing flat plate (as shown in figure 1). A first locking part (8-3) on the pull rope (or a second locking part (8-4) on the pull rope is used when the bearing flat plate is different in size) penetrates into the guardrail (shown in figure 1) and is fixed and adjusted by a nut (8-1) and a flat washer (8-2).

The pulley is installed on four sides gyro wheel and is realized the decline process that rises as the slide with stand four edges and corners. The pulley rollers are distributed with two rollers on one surface. The rollers are distributed according to a parallelogram stress principle, when the column type lifting machine is stressed, the upper roller at the rear end and the lower roller at the front end are stressed greatly, and the rib plates of the sliding bodies at the two positions are supported in the middle of the rollers. Because under the bearing condition, the bearing platform of the column type lifter belongs to the cantilever, the upper roller at the rear end is larger than other rollers, and the lower roller at the front end is smaller than other rollers, the front end of the column type lifter slightly upwarps when no load exists. The rear end and the adjacent side are provided with adjustable roller structures which can be finely adjusted, so that the error in the machining process is solved, and the upper gap and the lower gap of the pulley are uniform. The safety lock structure is adopted inside, the lock hook is downward in normal work, the tension spring is fixed at the lower side, the tension spring reaches the maximum tension position, the upper portion is in assembly connection with the lifting rope through the safety rope, the length of the safety rope can be adjusted through the galvanized double clamps, and a gap of 5mm between the downward lock hook and the stand column is guaranteed. Once lifting rope, coaster are dragged and are dragged when the assembly department has the fracture condition, the safety rope will drop, and the latch hook reaches the horizontality under the effect of extension spring return force and pins in the spring-in stand recess, reaches safety protection's effect.

As shown in fig. 9, the winch (1-4) drives the steel wire rope (1-9) to pass through the vertical column (1-8) pulley (1-10) to be connected with the pulley pulling assembly (6-23), the pulley pulling assembly (6-23) is connected and fastened with the connecting piece (1-12) on the pulley, and the winch rolls the steel wire rope to realize the up-and-down movement of the pulley (1-7) and the related part thereof. The locking hooks (6-13) fix the screws (6-15), one end of the lock tension spring (6-9) is hung on the screws (6-15), and the other end is hung on the screws (1-15). The safety rope (1-11) is fixed on the screw (6-15), the other end of the safety rope penetrates through the lifting rope assembly (6-22), the length of the safety rope (1-11) is adjusted and fixed by the galvanized double clamps (6-17), and a safety gap of about 5mm is formed between the lock hook (6-13) and the upright post (1-8).

As shown in fig. 10, the locking hook (6-13) has a gap with the upright post (1-8) at the outer side of the locking limit groove under the adjustment of the safety rope (1-11), at this time, the lock tension spring (6-9) is in an elongated state, and the resilience force is smaller than the tension force of the safety rope (1-11).

As shown in figure 11, the steel wire ropes (1-9) are broken, the lifting rope assemblies (6-22) and the safety ropes (1-11) are pulled along the pulley to be assembled (6-23) to fall off under the action of gravity, the pulley (1-7) slides downwards under the action of gravity, at the moment, under the condition that the pulling force of the safety ropes (1-11) is smaller than the resilience force of the lock tension springs (6-9), the lower end face of the outer side of the lock hooks (6-13) is overlapped with the upper end face of the flat plates (1-13), and the lock hooks (6-13) spring into the lock limiting grooves of the upright columns (1-8) to stop sliding downwards.

As shown in figure 12, the tackle pulling assembly (6-23) is broken, the tackle (1-7) slides down under the action of gravity, the safety rope (1-11) cannot bear the weight and is broken instantly, at the moment, under the condition that the lock hook (6-13) only has the resilience of the lock tension spring (6-9), the lower end face of the outer side of the lock hook (6-13) is overlapped with the upper end face of the flat plate (1-13), and the lock hook (6-13) springs into the lock limiting groove of the upright post (1-8) to stop sliding down.

As shown in fig. 13, under the action of the resilience tension of the lock tension spring (6-9), the lock hook (6-13) is overlapped with the upper end face of the flat plate (1-13) and enters the lock limiting groove (1-14) to be overlapped with the bottom of the limiting groove. At the moment, the lock achieves the safety protection effect.

When the winch and the sliding body are randomly connected and break or fall off in the process of the movement or stop of the sliding body dragged by the steel wire rope, the safety lock is triggered when the sliding body slides down quickly, and the safety protection effect is achieved.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A column type lifter frame structure comprises a bearing flat plate (1-3), and is characterized in that the bearing flat plate (1-3) is connected with a pulley (1-7), the pulley (1-7) is sleeved on an upright post (1-8), and the pulley (1-7) is connected with a winch (1-4);

a guardrail (1-6) is arranged at the rear end of the bearing flat plate (1-3);

the middle reinforcing beam assembly (3-19) is respectively connected with the right support arm assembly (3-1) and the left support arm assembly (3-15) through a connecting pipe assembly III (3-13), a connecting pipe assembly II (3-14) and a connecting pipe assembly I (3-16);

2. A frame structure of a pole lift according to claim 1, wherein the lower outer sides of the first connecting coupling member (3-16) and the third connecting coupling member (3-13) are provided with rubber pads (3-17).

3. A frame structure of a pole lift according to claim 1, characterized in that the safety support (1-2) comprises a quick bolt (2-1), the quick bolt (2-1) is fixed to the extension bar (2-3) of the support leg through a support tube sleeve (2-2) at a plurality of holes at different heights, the extension bar (2-3) of the support leg is connected to a foot base (2-4), and the foot base (2-4) is adjusted to support the ground when the safety support (1-2) is fixed.

4. The frame structure of a column lift according to claim 1, wherein half holes are added on the right arm assembly (3-1) and the left arm assembly (3-15), when the half holes coincide with the limiting holes, the locking limiting screws (3-2) are screwed in, and the extension ends are fixed.

5. The frame structure of a column type lifter according to claim 1, wherein the guard rail (1-6) comprises a main cross beam (4-11), the upper end of the middle part of the main cross beam (4-11) is connected with the left (4-12) and right (4-13) lower ends of the longitudinal reinforcing beam, the upper ends of the left (4-12) and right (4-13) longitudinal reinforcing beams are connected with the lower end of the middle part of the guard rail reinforcing beam (4-2), the two ends of the guard rail reinforcing beam (4-2) are connected with the upper end of the left longitudinal beam (4-6) and the upper end of the right longitudinal beam (4-14), and the lower ends of the two sides of the main cross beam (4-11) are provided with reinforcing angles (4-15);