CN219363132U - Lifting device for limiting and anti-toppling industrial automatic control - Google Patents

Abstract

The utility model relates to the technical field of lifting equipment, in particular to lifting equipment for limiting and anti-toppling industrial automatic control, wherein control rods are respectively fixedly arranged on two sides of the peripheral edge of the lower part of a placement plate, control blocks are fixedly arranged on two sides of the peripheral edge of the upper part of a supporting bottom plate, a first rack is respectively fixedly arranged on a plurality of control rods, a first gear is fixedly sleeved on a driving shaft, support rods are respectively arranged on two sides of the control blocks, the guide blocks are fixedly connected with the control rods, a connecting underframe is respectively movably arranged in grooves formed in two sides of the peripheral edge of the lower part of the supporting bottom plate, a second gear meshed with the second rack is arranged in the grooves, and the effective supporting area of the bottom can be enlarged through an additional supporting component in the process of lifting goods to a high position, so that toppling of the lifting equipment is effectively prevented, and when the lifting equipment is in a lower initial position, the supporting component can be automatically stored to avoid inconvenience when goods are transported and placed on the lifting equipment in a lower position.

Description

Lifting device for limiting and anti-toppling industrial automatic control

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to lifting equipment for limiting and anti-toppling industrial automatic control.

Background

The industry is the manufacturing industry, and is the product of social division industry development, and it decides the speed, scale and the level of national economy modernization, often needs to use lifting device in industrial production process, when lifting device rises heavy goods to certain height, can lead to lifting device to appear the phenomenon of head weight foot light, easily takes place to empty etc. safety accident, if enlarge effective holding area at lifting device bottom plate, although can play certain anti-toppling effect to lifting device, nevertheless can cause inconvenience when transporting the goods and place on lifting device, therefore need a spacing industrial automatic control of preventing toppling to use lifting device.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art, and provides a reasonable-design limiting anti-toppling lifting device for industrial automatic control, which is used for solving the problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the lifting device comprises a lifting machine, wherein the lifting machine comprises a supporting bottom plate, a placing plate and a lifting assembly, the placing plate is suspended at the upper part of the supporting bottom plate, and the supporting bottom plate is connected with the placing plate through the lifting assembly;

it also comprises:

the control rods are respectively and fixedly arranged on two sides of the peripheral edge of the lower part of the placing plate, control blocks are fixedly arranged on two sides of the peripheral edge of the upper part of the supporting bottom plate, and the lower ends of the control rods penetrate through the control blocks and are inserted into the cylindrical grooves formed in the supporting bottom plate;

the first racks are respectively and fixedly arranged on the control rods, a driving shaft is rotatably connected to the control block through a bearing, a first gear is fixedly sleeved on the driving shaft, the first gear is meshed with the first racks, support rods are arranged on two sides of the control block, and the support rods are fixedly connected with the end parts of the driving shaft;

the rotating rods are respectively arranged in the plurality of cylindrical grooves in a screwed manner through bearings, the upper ends of the rotating rods are movably inserted into the control rods, spiral guide grooves are formed in the rotating rods, guide blocks are movably arranged in the spiral guide grooves, and the guide blocks are fixedly connected with the control rods;

connect the chassis, connect the chassis several, the activity sets up respectively in the recess of edge both sides offered around the supporting baseplate lower part, fixedly provided with No. two racks on the inside wall of connection chassis, be equipped with in the recess with No. two racks engaged with No. two gears, no. two gears and dwang's lower extreme fixed connection all are equipped with stop gear on the several connection chassis.

Preferably, the limiting mechanism comprises:

the pressing block is movably arranged in a movable groove formed in the opposite side wall of the second rack on the connecting underframe, one end of the pressing block is exposed out of the movable groove and is matched and abutted against the second gear, the other end of the pressing block is fixedly provided with a spring, the other end of the spring is fixedly connected with the inner side wall of the movable groove, and an L-shaped groove communicated with the movable groove is formed in the connecting underframe;

the third rack is fixedly arranged at the lower part of the pressing block, a first connecting rod and a second connecting rod are rotatably connected in the L-shaped groove through a bearing seat, a third gear is fixedly arranged at one end of the first connecting rod, the third gear is meshed with the third rack, and the first connecting rod is connected with the second connecting rod through a bevel gear pair;

the two fixing rods are fixedly sleeved on the second connecting rod, the fixing rods are movably arranged on an opening which is formed in the connecting underframe and communicated with the L-shaped groove, and the outer ends of the fixing rods are arranged in an abutting mode in a matched mode after being exposed out of the opening and then are arranged on the supporting rods.

Preferably, clamping blocks are fixedly arranged on two inclined side walls of the connecting underframe, and the clamping blocks are matched and abutted with clamping grooves formed in the end parts of the supporting rods.

Preferably, the two outer side walls of the connecting underframe are fixedly provided with sliding blocks, and the sliding blocks are arranged in sliding grooves formed in the side walls of the grooves in a sliding mode.

Preferably, a reinforcing rod is fixed between two support rods on the same drive shaft.

Compared with the prior art, the utility model has the beneficial effects that: according to the lifting device for limiting and anti-toppling industrial automatic control, the effective supporting area of the bottom can be enlarged through the additional supporting component in the process of lifting the goods to the high position, so that toppling of the lifting device is effectively prevented, and when the lifting device is in a lower initial position, the supporting component can be automatically stored, and inconvenience caused when the goods are conveyed and placed on the lifting device in the lower position is avoided.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the utility model after lifting the cargo.

Fig. 3 is a cross-sectional view of the support base, the placement plate and the control block of the present utility model.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of a portion B in fig. 3.

Fig. 6 is a schematic view showing the internal structure of an L-shaped groove of the connection chassis in the present utility model.

Fig. 7 is an enlarged view of a portion C in fig. 6.

FIG. 8 is a schematic diagram showing the connection of the pressing block, the third rack and the third gear in the utility model.

Fig. 9 is an exploded view of the parts connecting the base frame, the latch and the reinforcing bar in the present utility model.

Fig. 10 is an exploded view of the control rod, the rotating rod and the guide block of the present utility model.

Reference numerals illustrate:

the lifting device comprises a lifting machine 1, a supporting bottom plate 1-1, a placing plate 1-2, a lifting assembly 1-3, a control rod 2, a control block 3, a cylindrical groove 4, a first rack 5, a driving shaft 6, a first gear 7, a supporting rod 8, a rotating rod 9, a spiral guide groove 10, a guide block 11, a connecting chassis 12, a groove 13, a second rack 14, a limiting mechanism 15, a pressing block 15-1, a spring 15-2, a third rack 15-3, a third gear 15-4, a fixed rod 15-5, a first connecting rod 15-6, a second connecting rod 15-7, a movable groove 16, an L-shaped groove 17, a clamping block 18, a clamping groove 19, a sliding block 20, a reinforcing rod 21, a T-shaped groove 22 and a second gear 23.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.

As shown in fig. 1 to 10, the present embodiment adopts the following technical scheme: the hydraulic lifting platform comprises a lifting machine 1, wherein the lifting machine 1 comprises a supporting bottom plate 1-1, a placing plate 1-2 and a lifting assembly 1-3, the placing plate 1-2 is suspended at the upper part of the supporting bottom plate 1-1, the supporting bottom plate 1-1 is connected with the placing plate 1-2 through the lifting assembly 1-3, and the lifting assembly 1-3 has the same structural principle as that of a hydraulic lifting platform in the prior art;

it also comprises:

the control rods 2 are respectively and fixedly arranged on two sides of the peripheral edge of the lower part of the placing plate 1-2, control blocks 3 are fixedly arranged on two sides of the peripheral edge of the upper part of the supporting bottom plate 1-1, and the lower ends of the control rods 2 penetrate through the control blocks 3 and are inserted into cylindrical grooves 4 formed in the supporting bottom plate 1-1;

the first racks 5 are respectively and fixedly arranged on the control rods 2, the driving shafts 6 are rotatably connected to the control blocks 3 through bearings, the first gears 7 are fixedly sleeved on the driving shafts 6, the first gears 7 are meshed with the first racks 5, the supporting rods 8 are arranged on two sides of the control blocks 3, the supporting rods 8 are fixedly connected with the end parts of the driving shafts 6, reinforcing rods 21 are fixed between the two supporting rods 8 on the same driving shaft 6, and the bearing performance of the two supporting rods 8 on the same driving shaft 6 can be increased through the reinforcing rods 21, so that the anti-toppling capacity of the lifting equipment is further improved;

the rotating rods 9 are respectively arranged in the cylindrical grooves 4 in a screwed manner through bearings, the upper ends of the rotating rods 9 are movably inserted into the control rods 2, the rotating rods 9 are provided with spiral guide grooves 10, guide blocks 11 are movably arranged in the spiral guide grooves 10, and the guide blocks 11 are fixedly connected with the control rods 2;

the connecting underframe 12 is provided with a plurality of grooves 13 which are respectively and movably arranged at two sides of the peripheral edge of the lower part of the supporting bottom plate 1-1, sliding blocks 20 are fixedly arranged on two outer side walls of the connecting underframe 12, the sliding blocks 20 are slidably arranged in sliding grooves which are formed in the side walls of the grooves 13, the moving guide of the connecting underframe 12 can be increased through the sliding blocks 20, the connecting underframe 12 can also be limited, clamping blocks 18 are fixedly arranged on two inclined side walls of the connecting underframe 12, the clamping blocks 18 are matched with clamping grooves 19 which are formed in the end parts of the supporting rods 8 to be in abutting arrangement, the limit of the connecting underframe 12 and the supporting rods 8 in the horizontal direction can be realized, so that the shock resistance of the supporting rods 8 in the horizontal direction is improved, no. two racks 14 are fixedly arranged on the inner side walls of the connecting underframe 12, no. two gears 23 which are meshed with No. two racks 14 are arranged in the grooves 13, the No. two gears 23 are fixedly connected with the lower ends of the rotating rods 9, when lifting equipment lifts the goods to a high place, the supporting rods 8 can be overturned and abut against the ground, the bottom of the lifting equipment can effectively support the lifting equipment, and can also form a stable triangular structure with the lifting equipment, and the lifting equipment can be further provided with a limit mechanism 15, and the number of the lifting and the limiting mechanism are further arranged;

the limiting mechanism 15 includes:

a pressing block 15-1, wherein the pressing block 15-1 is movably arranged in a movable groove 16 formed in the opposite side wall of the second rack 14 on the connection underframe 12, one end of the pressing block 15-1 is exposed out of the movable groove 16 and is in matched and abutting arrangement with the second gear 23, a spring 15-2 is fixedly arranged at the other end of the pressing block 15-1, the other end of the spring 15-2 is fixedly connected with the inner side wall of the movable groove 16, and an L-shaped groove 17 communicated with the movable groove 16 is formed in the connection underframe 12;

the third rack 15-3 is fixedly arranged at the lower part of the pressing block 15-1, a first connecting rod 15-6 and a second connecting rod 15-7 are rotatably connected in the L-shaped groove 17 through a bearing seat, a third gear 15-4 is fixedly arranged at one end of the first connecting rod 15-6, the third gear 15-4 is meshed with the third rack 15-3, and the first connecting rod 15-6 is connected with the second connecting rod 15-7 through a bevel gear pair;

the two fixing rods 15-5 are fixedly sleeved on the second connecting rod 15-7, the fixing rods 15-5 are movably arranged on an opening which is formed in the connecting underframe 12 and communicated with the L-shaped groove 17, the outer ends of the fixing rods 15-5 are exposed out of the opening and then are matched with the T-shaped groove 22 formed in the supporting rod 8 to be in interference fit, when lifting equipment drives goods to rise, the second gear 23 rotates, the connecting underframe 12 is driven to move outwards through the second rack 14, when the connecting underframe 12 is in interference with the supporting rod 8, the second gear 23 also collides with the pressing block 15-1 and moves inwards of the movable groove 16, and the third gear 15-4, the third rack 15-3, the first connecting rod 15-6 and the bevel gear pair are matched, so that the second connecting rod 15-7 drives the fixing rods 15-5 to rotate, one ends of the second connecting rods are inserted into the T-shaped groove 22, and connection limiting between the connecting underframe 12 and the supporting rod 8 is achieved.

When the utility model is used, goods are placed on the placing plate 1-2, then the lifting component 1-3 is started, so that the placing plate 1-2 drives the goods to rise upwards and drives the control rod 2 to move upwards, the control rod 2 can drive the first rack 5 and the guide block 11 to move upwards in the upward moving process, the first gear 7 rotates and drives the support rod 8 to overturn downwards through the driving shaft 6, the guide block 11 can drive the rotating rod 9 to drive the second gear 23 to rotate through the cooperation with the spiral guide groove 10 in the upward moving process, the second gear 23 drives the connecting underframe 12 to move outwards through the second rack 14, the connecting underframe 12 can collide with the control rod 2 after the control rod 2 is overturned to the limit position and collides with the ground, the clamping block 18 is clamped in the clamping groove 19, the pressing block 15-1 is pressed into the movable groove 16 by the second gear 23, so that the spring 15-2 is compressed, the third rack 15-3 is driven to synchronously move when the pressing block 15-1 moves into the movable groove 16, the third gear 15-4 is driven to rotate, the third gear 15-4 is matched with the bevel gear pair through the first connecting rod 15-6, the second connecting rod 15-7 rotates and drives the fixing rod 15-5 to turn over, one end of the fixing rod 15-5 is inserted into the T-shaped groove 22, and the supporting rod 8 and the connecting underframe 12 at the moment can form a stable triangular structure, so that the effective supporting area of the lifting device and the ground is increased, the supporting structure is more stable, and the stronger bearing performance can be improved;

when the lifting assembly 1-3 drives the placement plate 1-2 to descend to a certain height, the control rod 2 is inserted into the control block 3 again, so that the guide block 11 moves into the spiral guide groove 10 again, the rotating rod 9 is driven to drive the second gear 23 to reversely rotate, the second gear 23 drives the connecting chassis 12 to move towards the inner side of the groove 13 through the second gear rack 14, meanwhile, the pressing block 15-1 can be separated from the interference with the second gear 23, the spring 15-2 is reset to push the pressing block 15-1 to the outer side of the movable groove 16, the third gear rack 15-3 synchronously moves, the third gear 15-4 is driven to reversely rotate, the third gear 15-4 is matched with the bevel gear pair through the first connecting rod 15-6, the second connecting rod 15-7 is driven to reversely overturn the fixing rod 15-5, one end of the fixing rod 15-5 is separated from the T-shaped groove 22, the first gear 7 is meshed again along with the continuous downward movement of the control rod 2, the first gear rack 8 is driven to reversely overturn the pressing block 15-1 through the driving shaft 6 to be separated from the ground, and the goods are prevented from being carried on the lower ground, and the situation that the goods are inconvenient to be placed in the lifting device is avoided.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the effective supporting area of the bottom of the lifting device can be enlarged in the process of lifting the goods to a high position through the cooperation of the control rod 2, the control block 3, the first rack 5, the driving shaft 6, the first gear 7, the supporting rod 8, the rotating rod 9, the guide block 11, the connecting underframe 12 and the second rack 14, so that the lifting device is effectively prevented from toppling over, and when the lifting device is positioned at a lower initial position, the inconvenience caused by blocking obstacle to the goods conveyed at the lower position can be avoided;

2. through the cooperation of stop gear 15, can carry out spacingly between bracing piece 8 and the connection chassis 12 for can constitute firm triangle-shaped structure between bracing piece 8 and the connection chassis 12, when having increased the effective area of support of elevating gear and ground, still make bearing structure more stable.

It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The lifting device for limiting and anti-toppling industrial automatic control comprises a lifting machine (1), wherein the lifting machine (1) comprises a supporting bottom plate (1-1), a placing plate (1-2) and a lifting assembly (1-3), the placing plate (1-2) is suspended at the upper part of the supporting bottom plate (1-1), and the supporting bottom plate (1-1) is connected with the placing plate (1-2) through the lifting assembly (1-3);

the method is characterized in that: it also comprises:

the control rods (2) are respectively and fixedly arranged on two sides of the peripheral edge of the lower part of the placement plate (1-2), control blocks (3) are fixedly arranged on two sides of the peripheral edge of the upper part of the support bottom plate (1-1), and the lower ends of the control rods (2) penetrate through the control blocks (3) and are inserted into cylindrical grooves (4) formed in the support bottom plate (1-1);

the first racks (5) are respectively and fixedly arranged on the control rods (2), the control blocks (3) are rotatably connected with driving shafts (6) through bearings, the driving shafts (6) are fixedly sleeved with first gears (7), the first gears (7) are meshed with the first racks (5), supporting rods (8) are arranged on two sides of the control blocks (3), and the supporting rods (8) are fixedly connected with the end parts of the driving shafts (6);

the rotary rods (9) are respectively arranged in the plurality of cylindrical grooves (4) in a screwed mode through bearings, the upper ends of the rotary rods (9) are movably inserted into the control rods (2), spiral guide grooves (10) are formed in the rotary rods (9), guide blocks (11) are movably arranged in the spiral guide grooves (10), and the guide blocks (11) are fixedly connected with the control rods (2);

connect chassis (12), connect chassis (12) a plurality of, the activity sets up respectively in recess (13) that edge both sides were seted up around supporting baseplate (1-1) lower part, fixedly on the inside wall of connecting chassis (12) be provided with No. two racks (14), be equipped with in recess (13) with No. two racks (14) engaged with No. two gears (23), no. two gears (23) and the lower extreme fixed connection of dwang (9), all be equipped with stop gear (15) on the connection chassis (12) of a plurality of.

2. The lifting device for industrial automatic control of limiting and anti-toppling according to claim 1, wherein: the limit mechanism (15) comprises:

the pressing block (15-1) is movably arranged in a movable groove (16) formed in the opposite side wall of the second rack (14) on the connecting underframe (12), one end of the pressing block (15-1) is exposed out of the movable groove (16) and is matched and in conflict with the second gear (23), the other end of the pressing block (15-1) is fixedly provided with a spring (15-2), the other end of the spring (15-2) is fixedly connected with the inner side wall of the movable groove (16), and an L-shaped groove (17) communicated with the movable groove (16) is formed in the connecting underframe (12);

the third rack (15-3) is fixedly arranged at the lower part of the pressing block (15-1), a first connecting rod (15-6) and a second connecting rod (15-7) are rotatably connected in the L-shaped groove (17) through a bearing seat, a third gear (15-4) is fixedly arranged at one end of the first connecting rod (15-6), the third gear (15-4) is meshed with the third rack (15-3), and the first connecting rod (15-6) is connected with the second connecting rod (15-7) through a bevel gear pair;

the two fixing rods (15-5) are fixedly sleeved on the second connecting rod (15-7), the fixing rods (15-5) are movably arranged on an opening which is formed in the connecting underframe (12) and is communicated with the L-shaped groove (17), and the outer ends of the fixing rods (15-5) are arranged in a matched and abutting mode with the T-shaped groove (22) formed in the supporting rod (8) after being exposed out of the opening.

3. The lifting device for industrial automatic control of limiting and anti-toppling according to claim 1, wherein: clamping blocks (18) are fixedly arranged on two inclined side walls of the connecting underframe (12), and the clamping blocks (18) are matched and abutted with clamping grooves (19) formed in the end parts of the supporting rods (8).

4. The lifting device for industrial automatic control of limiting and anti-toppling according to claim 1, wherein: the two outer side walls of the connecting underframe (12) are fixedly provided with sliding blocks (20), and the sliding blocks (20) are arranged in sliding grooves formed in the side walls of the grooves (13) in a sliding mode.

5. The lifting device for industrial automatic control of limiting and anti-toppling according to claim 1, wherein: a reinforcing rod (21) is fixed between two supporting rods (8) on the same driving shaft (6).