CN115650124A - Extensible lifting operation device - Google Patents

Abstract

The invention discloses an extensible lifting operation device which comprises a base, a lifting mechanism and an operation platform, wherein the lifting mechanism is arranged above the base, the operation platform is arranged above the lifting mechanism and comprises a supporting table, a movable table and guardrails, the supporting table is connected with the lifting mechanism, the movable table is connected above the supporting table in a sliding mode, the supporting table and the movable table form an operation space, the guardrails are arranged on the periphery of the operation space, the supporting table and the movable table are fixedly connected with the guardrails respectively, water storage tanks are arranged on two sides of the bottom of the supporting table respectively and are communicated with each other through pipelines, the pipelines are communicated with a water pump, and the water pump is connected with a control switch. The invention provides an extensible lifting operation device, which can adjust the gravity center position of an operation platform by moving water in a water tank mutually, gradually pump the water in the water tank, has small required driving force and does not generate large inertia force to cause the operation platform to shake.

Description

Extensible lifting operation device

Technical Field

The invention relates to the technical field of lifting platforms, in particular to an extensible lifting operation device.

Background

The lifting operation platform is used for lifting workers and construction materials to a high place to perform operation, the operation platform in the prior art can expand the area, and the construction materials or equipment are placed in the expanded space, so that the operation space of the workers is improved. In order to keep lift operation platform's focus steady after the space extension, need set up the counterweight on operation platform, in order to keep operation platform's focus on the holding surface, prior art adopts the metal counterweight as the counterweight, need the monoblock to remove when the metal counterweight removes, need great drive power just to remove the metal counterweight, and the inertia force that produces when the metal counterweight removes also can influence the operation platform balance, operation platform rocks when leading to adjusting.

Disclosure of Invention

In view of the above-mentioned prior art, the present invention provides an extendable lifting device, which can adjust the position of the center of gravity of a working platform by moving water in a water tank relative to each other, so that the water in the water tank is gradually pumped away, the required driving force is small, and the working platform is not shaken due to large inertial impulse force.

The technical scheme of the invention is realized as follows:

the utility model provides an extensible lift operation device, includes base, elevating system and operation platform, the base top is equipped with elevating system, the elevating system top is equipped with operation platform, operation platform includes brace table, movable table and guardrail, brace table with elevating system connects, brace table's top sliding connection has the movable table, brace table with the movable table constitutes the operation space, be equipped with around the operation space the guardrail, brace table and movable table fixedly connected with respectively the guardrail, brace table's bottom both sides are equipped with the water storage box respectively, the water storage box passes through the pipeline and communicates each other, pipeline and water pump intercommunication, the water pump is connected with control switch.

Furthermore, the supporting table is provided with a gear, the movable tables on two sides are respectively provided with a rack, one rack is meshed with the upper part of the gear, and the other rack is meshed with the lower part of the gear.

Furthermore, a water level sensor is arranged in the water storage tank and is in signal connection with a controller, and the controller is in signal connection with a display screen.

Furthermore, the base is provided with an anchor pile used for being inserted into soil, the anchor pile comprises a pile rod, a flexible pipe, a movable chain and a pointed end, an L-shaped channel is arranged in the pile rod, the corner of the L-shaped channel is in circular arc transition, the lower end opening of the L-shaped channel faces the horizontal direction, the movable chain is arranged in the flexible pipe, the pointed end is arranged at the lower end of the movable chain, the movable chain comprises a plurality of hemispherical movable joints which are rotatably connected, a groove is formed in one side of each movable joint, a first arc-shaped sliding groove is formed in each groove, the convex surface of each movable joint is matched with the corresponding groove, the convex surface of each movable joint is slidably connected with an arc-shaped protrusion, the arc-shaped protrusion is slidably connected with the corresponding first arc-shaped sliding groove, a clamping groove is formed in the inner side of each arc-shaped groove, a straight-shaped sliding groove is formed in the convex surface of each movable joint, and a retainer and a spring used for pushing out and inserting the retainer into the clamping groove are arranged in the straight-shaped sliding groove; the arc-shaped protrusion shields an opening of the straight sliding groove in an initial state, the arc-shaped protrusion is separated from the straight sliding groove after the rotation angle of the adjacent movable joint reaches a preset value, the stop piece extends out of the straight sliding groove, and the stop piece is inserted into the clamping groove when the adjacent movable joint returns to the included angle in the initial state.

Furthermore, the flexible pipe is made of wear-resistant materials, the pointed end is conical, and the pointed end is connected with the periphery of the tail end of the flexible pipe.

Further, the stake pole is equipped with the external screw thread, the base is equipped with and passes the through-hole of stake pole, the stake pole is equipped with the nut, the nut be used for with the stake pole is screwed up on the base, the top of stake pole is equipped with hollow polished rod, the external diameter of polished rod is less than the diameter of external screw thread.

Further, lubricating oil is coated in the L-shaped channel.

Furthermore, the arc-shaped protrusion faces towards one side surface of the arc-shaped groove and is smooth, and an anti-skidding structure is arranged on one side surface of the arc-shaped protrusion facing towards the convex surface of the movable joint.

Further, the convex surface of activity festival is equipped with second arc spout, the cross-section of first arc spout and second arc spout is T shape, the bellied cross-section of arc is "worker" style of calligraphy, the bellied one end of arc with arc spout sliding connection, the other end with second arc spout sliding connection.

Further, one end of the stop piece, which faces the groove, is of an arc-shaped structure.

The invention has the beneficial effects that: the base of the invention is arranged and fixed on the ground, the lifting mechanism on the base lifts the operation platform upwards when working, and the lifting mechanism drives the operation platform and the working personnel to rise for operation. The operation platform comprises a supporting table, a movable table and a guardrail, the supporting table is connected with the lifting mechanism, the movable table is connected above the supporting table in a sliding mode and located on two sides of the supporting table, the movable table stretches out of the two sides when the space is required to be extended and expanded, and the length of an operation space is increased. The supporting table and the movable table are respectively and fixedly connected with the guardrail, the guardrail surrounds the operation space, and the protection effect is achieved on workers in the operation space. After the working space is expanded, the construction materials and the construction equipment are placed on the expanded space, increasing the activity space of the worker. And then the water pump is controlled to work by the control switch, and water in one water storage tank is pumped to the other water storage tank, so that the center of gravity of the whole operation platform returns to the center, and the stability of the operation platform is improved. Because the water is pumped by the water pump, the center of gravity can be transferred without large driving force. The gravity center is gradually transferred through water flow, large inertia force cannot be generated, and the working platform is stable in the gravity center transferring process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an extendable lifting device according to embodiment 1 of the present invention;

FIG. 2 is a diagram showing the connection among a water level sensor, a controller and a display screen according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a manned lifting insulating platform adapted to mountainous regions in accordance with embodiment 2 of the present invention;

fig. 4 is a schematic sectional view showing an anchor pile according to embodiment 2 of the present invention;

FIG. 5 is a schematic cross-sectional view of a movable joint according to embodiment 2 of the present invention;

fig. 6 is a schematic perspective view of a movable joint according to embodiment 2 of the present invention;

FIG. 7 is a schematic view of the relative rotation of the movable joint according to embodiment 2 of the present invention;

in the figure, the position of the upper end of the main shaft,

1, a base, 2, a lifting mechanism and 3, a working platform;

a 301 supporting table, a 302 movable table, a 303 guardrail, a 304 water storage tank, a 305 pipeline, a 306 water pump, a 37 gear, a 308 rack, a 309 water level sensor, a 310 controller, a 311 display screen and a 312 control switch;

4 anchor piles, 5 pile rods, 6 flexible pipes, 7 movable chains, 8 pointed ends, 9L-shaped channels, 10 movable joints, 11 grooves, 12 first arc-shaped sliding grooves, 13 arc-shaped protrusions, 14 clamping grooves, 15 straight sliding grooves, 16 stopping pieces, 17 springs, 18 external threads, 19 through holes, 20 nuts, 21 polished rods, 22 arc-shaped structures and 23 second arc-shaped sliding grooves.

Detailed Description

In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, an extendable lifting device comprises a base 1, a lifting mechanism 2 and a working platform 3, wherein the lifting mechanism 2 is arranged above the base 1, the working platform 3 is arranged above the lifting mechanism 2, the working platform 3 comprises a supporting platform 301, a movable platform 302 and a guardrail 303, the supporting platform 301 is connected with the lifting mechanism 2, the movable platform 302 is connected above the supporting platform 301 in a sliding manner, the supporting platform 301 and the movable platform 302 form a working space, the guardrail 303 is arranged around the working space, the supporting platform 301 and the movable platform 302 are respectively and fixedly connected with the guardrail 303, water storage tanks 304 are respectively arranged on two sides of the bottom of the supporting platform 301, the water storage tanks 304 are mutually communicated through pipelines 305, the pipelines 305 are communicated with a water pump 306, and the water pump 306 is electrically connected with a control switch 312.

The base 1 of the invention is arranged and fixed on the ground, the lifting mechanism 2 on the base 1 lifts the operation platform 3 upwards when working, and the lifting mechanism 2 is utilized to drive the operation platform 3 and the working personnel to ascend for operation. The operation platform 3 comprises a supporting table 301, a movable table 302 and a guardrail 303, the supporting table 301 is connected with the lifting mechanism 2, the movable table 302 is connected above the supporting table 301 in a sliding mode, the movable table 302 is located on two sides of the supporting table 301, the movable table 302 is extended out of the two sides when the space needs to be extended, and the length of the operation space is increased. The supporting platform 301 and the movable platform 302 are respectively and fixedly connected with the guardrail 303, and the guardrail 303 surrounds the operation space and plays a role in protecting workers in the operation space. After the working space is expanded, the construction materials and the construction equipment are placed on the expanded space, increasing the activity space of the worker. The pump 306 is then controlled by the control switch 312 to pump water from one reservoir 304 to another reservoir 304, so that the center of gravity of the entire work platform 3 is centered and the stability of the work platform 3 is improved. Since water is gradually pumped by the water pump 306, the center of gravity can be shifted without a large driving force. The gravity center is gradually transferred through water flow, large inertia force cannot be generated, and the working platform is stable in the gravity center transferring process.

Optionally, the supporting platform 301 is provided with a gear 307, the movable platforms 302 on both sides are respectively provided with racks 308, one of the racks 308 is engaged with the upper portion of the gear 307, and the other rack 308 is engaged with the lower portion of the gear 307. When one of the movable tables 302 is moved outward, the rack 308 of the movable table 302 drives the gear 307 to rotate, thereby driving the other rack 308 to move, so that the other movable table 302 also moves. The two movable tables 302 move synchronously, so that the operation is more convenient, the extending distances of the two movable tables 302 are the same during moving, and the center of gravity beneficial to lifting is positioned at the center.

Specifically, a water level sensor 309 is arranged in the water storage tank 304, the water level sensor 309 is in signal connection with a controller 310, and the controller 310 is in signal connection with a display screen 311. The water level sensor 309 detects the water level in the water storage tank 304, and the water level sensor 309 transmits the detected water level to the controller 310 in the form of an electric signal, and finally displays the signal on the display screen 311, so that the staff can conveniently judge the water level in the water storage tank 304. Optionally, a foam float plate is placed in the reservoir 304 to reduce sloshing of the water.

Example 2

Referring to fig. 3 to 7, the present embodiment is different from embodiment 1 in that the base 1 is provided with an anchor pile 4 for inserting into soil, the anchor pile 4 includes a pile rod 5, a flexible tube 6, a movable chain 7 and a tip 8, an L-shaped channel 9 is provided in the pile rod 5, a corner of the L-shaped channel 9 is in arc transition, a lower end opening of the L-shaped channel 9 faces a horizontal direction, the movable chain 7 is provided in the flexible tube 6, the tip 8 is provided at a lower end of the movable chain 7, the movable chain 7 includes a plurality of hemispherical movable joints 10 rotatably connected, a groove 11 is provided at one side of the movable joint 10, a first arc-shaped chute 12 is provided in the groove 11, a convex surface of the movable joint 10 is matched with the groove 11, a convex surface of the movable joint 10 is slidably connected with an arc-shaped protrusion 13, the arc-shaped protrusion 13 is slidably connected with the first arc-shaped chute 12, a clamping groove 14 is provided at an inner side of the arc-shaped groove 11, a convex surface of the movable joint 10 is provided with a straight-shaped chute 15, a stopper 16 and a spring 17 for pushing out and inserting the stopper 16 into the groove 14 are provided in the straight chute 15; the arc-shaped protrusion 13 blocks an opening of the straight sliding groove 15 in an initial state, after the rotation angle of the adjacent movable joint 10 reaches a preset value, the arc-shaped protrusion 13 is separated from the straight sliding groove 15, so that the stop piece 16 extends out of the straight sliding groove 15, and when the adjacent movable joint 10 returns to an included angle in the initial state next time, the stop piece 16 is inserted into the clamping groove 14.

When the insulation platform is used, the base 1 is installed on the ground, the anchor piles 4 are inserted into the ground on the ground where the base 1 is installed unstably, the adhesive force between the base 1 and the ground is improved, and the insulation platform is prevented from collapsing due to the fact that the base 1 topples. After the base 1 is firmly fixed, the lifting mechanism 2 is utilized to drive the operation platform 3 and the workers to ascend for operation. In the process of inserting the anchor pile 4 into the ground, firstly, the pile rod 5 is inserted into the soil, then the movable chain 7 sleeved with the flexible pipe 6 is inserted from the upper opening of the L-shaped channel, after the movable chain 7 sleeved with the flexible pipe 6 completely enters the L-shaped channel, the movable chain 7 sleeved with the flexible pipe 6 is pushed by inserting the rod into the L-shaped through hole 19, and the movable chain 7 extends out from the L-shaped channel towards the opening in the horizontal direction. The activity chain 7 includes a plurality of mutual rotation connection's hemispherical activity festival 10, and one side of activity festival 10 is equipped with recess 11, be equipped with first arc spout 12 in the recess 11, the convex surface of activity festival 10 with recess 11 cooperates, the convex surface sliding connection arc of activity festival 10 is protruding 13, arc protruding 13 with 12 sliding connection of first arc spout, adjacent activity festival 10 can rotate relatively along the direction of 12 arc spouts. When the adjacent movable joints 10 rotate relatively, the convex surface of the movable joint 10 drives the arc-shaped protrusion 13 to rotate synchronously, and when the movable joint 10 rotates to the extreme position and then continues to rotate, the arc-shaped protrusion 13 is blocked by the arc-shaped sliding groove, so that the arc-shaped protrusion 13 rotates relative to the convex surface of the movable joint 10. The inner side of the arc-shaped groove 11 is provided with a clamping groove 14, the convex surface of the movable joint 10 is provided with a straight sliding groove 15, the straight sliding groove 15 is internally provided with a stop piece 16 and a spring 17 used for pushing the stop piece 16 out and inserting into the clamping groove 14, the arc-shaped protrusion 13 shields the opening of the straight sliding groove 15 in an initial state, the movable joints 10 in the initial state are arranged into a straight line, when the movable chain 7 is in arc transition at the corner of the L-shaped channel 9, the relative rotation angle of the movable joint 10 reaches a preset value, at the moment, the arc-shaped protrusion 13 is shielded by the arc-shaped sliding groove to enable the arc-shaped protrusion 13 to rotate relative to the convex surface of the movable joint 10, and the arc-shaped protrusion 13 is separated from the straight sliding groove 15, so that the stop piece 16 extends out of the straight sliding groove 15. When the adjacent movable joints 10 return to the initial state at the included angle, the stop piece 16 is inserted into the slot 14, and the relative positions of the adjacent movable joints 10 are locked and cannot rotate.

According to the invention, the flexible movable chain 7 is placed in the L-shaped channel 9, the rod is used for pushing the flexible movable chain 7 out, the pushed movable chain 7 forms a rigid chain, the rigid chain extends out of the side surface and is inserted into soil around the pile rod 5, and the pointed end 8 is arranged at the lower end of the movable chain 7, so that the movable chain can conveniently enter and exit the soil. The projecting movable chains 7 are inserted horizontally into the soil, and they push the soil around the horizontal axis during the insertion, without pushing the soil out of the sides of the pile rods 5. Because the distance that the movable chain 7 can stretch out is big, the fixed effect of anchor pile 4 has been improved to manned lift insulation platform's stability has been improved.

Specifically, the flexible tube 6 is made of wear-resistant materials, the pointed end 8 is conical, and the pointed end 8 is connected with the periphery of the tail end of the flexible tube 6. Conical tip 8 can make things convenient for activity chain 7 to insert in the soil, tip 8 with the terminal all around of flexible tube 6 is connected, avoids soil to enter into the gap between the activity festival 10. The flexible tube 6 made of the abrasion resistant material can prevent the flexible tube 6 from being worn.

Specifically, the pile rod 5 is provided with an external thread 18, the base 1 is provided with a through hole 19 penetrating through the pile rod 5, the pile rod 5 is provided with a nut 20, and the nut 20 is used for screwing the pile rod 5 on the base 1. The pile rod 5 is inserted into the soil after passing through the through hole 19 of the base 1, then the movable chain 7 is also inserted into the soil, finally the nut 20 is screwed on the pile rod 5, and the base 1 and the pile rod 5 are fixedly connected through the nut 20, so that the lifting platform is prevented from toppling.

Specifically, a hollow polish rod 21 is arranged at the top of the pile rod 5, and the outer diameter of the polish rod 21 is smaller than the diameter of the external thread 18. When inserting the stake 5 into the soil, the stake 5 is inserted into the soil by striking the top of the polished rod 21 with a hammer to avoid damaging the threads.

Specifically, the inside of the L-shaped passage 9 is coated with lubricating oil. The lubrication degree is improved, and the movable chain 7 is convenient to insert into the soil.

Specifically, the surface of one side of the arc-shaped protrusion 13 facing the arc-shaped groove 11 is smooth, and the surface of one side of the arc-shaped protrusion 13 facing the convex surface of the movable joint 10 is provided with an anti-slip structure. When the movable joint 10 rotates, the arc-shaped protrusion 13 rotates together with the convex surface of the movable joint 10, and after the movable joint 10 rotates to the extreme position, the arc-shaped protrusion 13 rotates relative to the convex surface of the movable joint 10.

Specifically, the convex surface of activity festival 10 is equipped with second arc spout 23, the cross-section of first arc spout 12 and second arc spout 23 is T shape, the protruding 13 cross-section of arc is "worker" style of calligraphy, the protruding 13 one end of arc with arc spout sliding connection, the other end with second arc spout 23 sliding connection. Two adjacent movable joints 10 can not break away from the arc-shaped protrusion 13, the movable joints 10 are connected to form a chain which can not be separated, and when the movable chain 7 is pulled out by external force, the movable chain 7 can play a powerful anchoring role.

Specifically, the end of the stopper 16 facing the groove 11 is an arc-shaped structure 22. Facilitating insertion into the recess 11.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an extensible lift operation device, its characterized in that, includes base, elevating system and operation platform, the base top is equipped with elevating system, the elevating system top is equipped with operation platform, operation platform includes brace table, movable table and guardrail, brace table with elevating system connects, brace table's top sliding connection has the movable table, brace table with the movable table constitutes the operation space, be equipped with around the operation space the guardrail, brace table and movable table fixedly connected with respectively the guardrail, brace table's bottom both sides are equipped with the water storage box respectively, the water storage box passes through the pipeline and communicates each other, pipeline and water pump intercommunication, the water pump is connected with control switch.

2. An extendable work apparatus according to claim 1, wherein said support platform is provided with a gear, and said movable tables on both sides are provided with racks, respectively, one of said racks being engaged with an upper portion of said gear and the other of said racks being engaged with a lower portion of said gear.

3. The extendable work apparatus of claim 1, wherein a water level sensor is disposed in the water storage tank, the water level sensor is in signal connection with a controller, and the controller is in signal connection with a display screen.

4. The extendable lifting operation device according to claim 1, wherein the base is provided with an anchor pile for inserting into soil, the anchor pile comprises a pile rod, a flexible pipe, a movable chain and a tip, the pile rod is provided with an L-shaped channel, the corner of the L-shaped channel is in a circular arc transition, the lower end of the L-shaped channel is opened towards the horizontal direction, the movable chain is arranged in the flexible pipe, the lower end of the movable chain is provided with the tip, the movable chain comprises a plurality of hemispherical movable joints which are rotatably connected, one side of each movable joint is provided with a groove, a first arc-shaped chute is arranged in the groove, the convex surface of each movable joint is matched with the groove, the convex surface of each movable joint is slidably connected with an arc-shaped protrusion, the arc-shaped protrusion is slidably connected with the first arc-shaped chute, the inner side of each arc-shaped groove is provided with a straight chute, and the straight chute is provided with a stopper and a spring for pushing out and inserting the stopper into the groove; the arc-shaped protrusion covers an opening of the straight sliding groove in an initial state, and the arc-shaped protrusion is separated from the straight sliding groove after the rotation angle of the adjacent movable joint reaches a preset value, so that the stop piece extends out of the straight sliding groove, and the stop piece is inserted into the clamping groove when the adjacent movable joint returns to an included angle in the initial state.

5. The extendable lift mechanism of claim 4, wherein the flexible tube is made of a wear resistant material, and the tip is conical and is attached to the circumference of the end of the flexible tube.

6. An extendable work apparatus according to claim 4, wherein said post is provided with external threads, said base is provided with a through hole through said post, said post is provided with a nut for tightening said post on said base, the top of said post is provided with a hollow polished rod having an outer diameter smaller than the diameter of said external threads.

7. The extendable work apparatus of claim 4, wherein said L-shaped channel is coated with a lubricant.

8. The extendable lift mechanism of claim 4, wherein a side surface of the arcuate projection facing the arcuate groove is smooth, and a side surface of the arcuate projection facing the convex surface of the movable joint is provided with an anti-slip structure.

9. The extendable lifting device according to claim 1, wherein the convex surface of the movable joint is provided with a second arc-shaped sliding groove, the cross sections of the first arc-shaped sliding groove and the second arc-shaped sliding groove are both T-shaped, the cross section of the arc-shaped protrusion is i-shaped, one end of the arc-shaped protrusion is slidably connected with the arc-shaped sliding groove, and the other end of the arc-shaped protrusion is slidably connected with the second arc-shaped sliding groove.

10. An extendable work apparatus according to claim 4, wherein the end of said stop member facing said recess is of arcuate configuration.

Images