CN214093835U

CN214093835U - Multisection rod-type numerical control elevating gear

Info

Publication number: CN214093835U
Application number: CN202022654402.7U
Authority: CN
Inventors: 赵钉
Original assignee: Dongguan Yaolong Stage Production Co ltd
Current assignee: Dongguan Yaolong Stage Production Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-31
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a multisection rod-type numerical control elevating gear, includes installation frame, flexible subassembly and actuating mechanism, flexible subassembly includes the interior loop bar of outer loop bar and a plurality of sections, on outer loop bar was fixed in the installation frame, the loop bar cup jointed in outer loop bar layer upon layer in a plurality of sections, scalable slip between each loop bar of flexible subassembly, outer loop bar and a plurality of interior loop bar combination form the chamber that holds that is located flexible subassembly, and actuating mechanism's flexible chain stretches into from the bottom of outer loop bar and holds the chamber and be connected with the interior loop bar that is located the inlayer. The flexible chain can be hidden in the accommodating cavity of the telescopic assembly, so that the flexible chain is guided by the multi-section sleeve rod of the telescopic assembly to prevent the flexible chain from toppling over, and the working stability of the lifting device is effectively ensured; in addition, the hidden installation of the flexible chain is realized, the flexible chain is protected in a closed mode, and the flexible chain is not exposed, so that the lifting device has the advantages of being attractive and stable, long in service life and the like.

Description

Multisection rod-type numerical control elevating gear

Technical Field

The utility model relates to a jacking equipment field, concretely relates to multisection rod-type numerical control elevating gear.

Background

The lifting device is a conventional device for driving an object to move up and down, and is widely applied to various occasions requiring lifting actions, such as lifting stage scenery, lifting mechanical components and the like.

In the prior art, a lifting actuator of a lifting device is often driven by a push rod, a hydraulic pressure, a chain, or the like. The chain of the chain driving type lifting device is generally a flexible chain, the flexible chain can not topple over when in work due to the supporting and guiding of a directional track, the lifting device can normally make lifting action, and the commonly used directional track is of a scissor type, an elevator track type and the like. The flexible chain actuating mechanism that current scissors formula elevating gear includes the flexible subassembly of scissors formula, drives flexible subassembly and carries out flexible action, and the one end of flexible chain is hidden in the casing, and the other end stretches out outside the casing to be connected with the flexible subassembly of scissors formula, and actuating mechanism connects on the casing and its drive element and flexible chain meshing are in order to drive the action of flexible chain to flexible subassembly is made flexible action in the linkage, realizes the lift purpose. However, due to the structural limitation of the scissor type telescopic assembly, when the flexible chain works, one end of the flexible chain connected with the scissor type telescopic assembly is exposed, so that the appearance is not attractive; the flexible chain is easy to be interfered by external force, so that the flexible chain is damaged; in addition, the scissor assemblies take up a large amount of space and are not easily transported and installed, and improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a multi-section rod type numerical control lifting device.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a multisection rod-type numerical control elevating gear, includes installation frame, flexible subassembly and actuating mechanism, actuating mechanism is including locating casing, the flexible chain that one end in the installation frame was hidden in the casing, drive the actuating mechanism of flexible chain action, its characterized in that: the telescopic assembly comprises an outer loop bar and a plurality of sections of inner loop bars, the outer loop bar is fixed on the installation frame, the plurality of sections of inner loop bars are sleeved in the outer loop bar layer by layer, the flexible sliding between the loop bars of the telescopic assembly is realized, the telescopic assembly is provided with an anti-disengaging structure for preventing the separation of the loop bars from one another, the outer loop bar and the plurality of inner loop bars are combined to form a containing cavity located in the telescopic assembly, and the other end of the flexible chain stretches into the containing cavity from the bottom of the outer loop bar and is connected with the inner loop bar located in the innermost layer.

The utility model discloses in, the base that is used for with installation frame connection is connected to the one end of casing, base and installation frame fixed connection.

The utility model discloses in, actuating mechanism is including rotating pivot, suit on connection and the base in the pivot and rotating the epaxial sprocket, be used for driving the rotatory driving motor of pivot, the sprocket is located the base and meshes with flexible chain, connect the transmission through locating the reducing gear box on the base between driving motor and the pivot.

The utility model discloses in, be equipped with first space, second space from a left side to the right side in proper order in the installation frame, be equipped with the first base that is located first space on the installation frame, the base passes through the bolt can dismantle the connection on first base, the casing is located in the second space and with base fixed connection.

The utility model discloses in, locate the fixed bolster that is used for strengthening casing stability in the second space, be connected with two support arms on the fixed bolster, both sides around the casing are connected respectively to two support arms.

The utility model discloses in, be equipped with the second base that corresponds first space top on the top of installation frame, the bottom of outer loop bar is equipped with the second connecting seat, the second connecting seat passes through bolt fixed connection with the second base, outer loop bar passes through the second connecting seat to be fixed on the second base.

The utility model discloses in, the first connecting seat that is used for adapting unit can be dismantled and be connected with at the inner loop bar top that is located the inlayer.

The utility model discloses in, the connector that is located on its top is seted up to the inner loop bar inner wall that is located the inlayer, be equipped with the internal thread in the connector, the bottom of first connector socket is equipped with the connector that can insert in the connector, the periphery of connector be equipped with interior screw-thread fit's external screw thread.

The utility model discloses in, anti-disengaging structure is including locating the screens of outer loop bar and inner loop bar upper end, locating the arch of inner loop bar lower extreme, protruding and the cooperation of screens contact.

The utility model has the advantages that: in the utility model, a containing cavity is arranged in the telescopic component, and the flexible chain is hidden in the containing cavity of the telescopic component, so that the flexible chain is guided by the multi-section sleeve rod of the telescopic component, the flexible chain is prevented from toppling, and the working stability of the lifting device is effectively ensured; in addition, the hidden installation of the flexible chain is realized, the flexible chain is protected in a closed mode, and the flexible chain is not exposed, so that the lifting device has the advantages of being attractive and stable, long in service life and the like. The utility model discloses in, flexible subassembly is formed by the combination of multisection loop bar, and it compares with the flexible subassembly of traditional scissors formula, and its occupation space is little, has made things convenient for elevating gear's transportation and installation greatly. The utility model discloses in, adopt numerical control step motor to drive flexible chain action, make elevating gear have lift steady, fix a position accurate, speed is adjustable, single lift advantage such as big. In addition, each loop bar of flexible subassembly is in order to cup joint the mode combination layer upon layer, consequently has characteristics such as simple to operate, equipment are nimble, pleasing to the eye firm to elevating gear can make the nimble combination so that it can be general in occasions such as the fixed mounting of equipment, stage arrangement, has higher practicality.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a top view of the present embodiment;

FIG. 3 is a view of the retraction assembly in a retracted state;

FIG. 4 is a schematic view of a mounting frame;

fig. 5 is a schematic structural view of the anti-separation structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1 to 5, the multi-section rod type numerical control lifting device includes an installation frame 1, a telescopic assembly and an execution mechanism 2, wherein the execution mechanism 2 includes a housing 21 disposed in the installation frame 1, a flexible chain 22 with one end hidden in the housing 21, and a driving mechanism 23 for driving the flexible chain 22 to move. Telescopic component is including the interior loop bar 4 of outer loop bar 3 and a plurality of sections that are the tubular structure setting, on outer loop bar 3 was fixed in installation frame 1, loop bar 4 cup jointed in outer loop bar 3 layer upon layer in a plurality of sections, scalable slip between each loop bar of telescopic component, specific flexible slip is: the inner loop bars 4 can slide telescopically relative to the outer loop bars 3, and the adjacent inner loop bars 4 can slide telescopically. The telescopic assembly is provided with an anti-disengaging structure 5 for preventing the sleeve rods from being separated from each other, and the inner cavities of the outer sleeve rods 3 and the inner sleeve rods 4 are combined to form an accommodating cavity located in the telescopic assembly. The other end of the flexible chain 22 extends into the accommodating cavity from the bottom of the outer loop bar 3 to be connected with the inner loop bar 4 positioned at the innermost layer, so as to drive the telescopic assembly to perform lifting action.

In the structure, the inner loop bar 4 can be used by only one section, can also be synchronously used by multiple sections, and can be arranged according to actual requirements; and because inner loop bar 4 can stretch out and draw back the slip and can stretch out and draw back the slip each other between adjacent inner loop bar 4 for outer loop bar 3, so hold the chamber and can change along with flexible subassembly's flexible, if when flexible chain 22 drove flexible subassembly and stretch out, the volume that holds the chamber increases along with flexible chain 22 stretches into the length increase that holds the intracavity, when flexible chain 22 drove flexible subassembly shrink, the volume that holds the chamber reduces along with flexible chain 22 withdraws from the length that holds the chamber. In addition, the flexible chain 22 may be hinged to the inner loop bar 4 located at the innermost layer through a hinge, or the end of the flexible chain 22 may be fixedly connected to the inner loop bar 4 located at the innermost layer.

Preferably, one end of the housing 21 is connected to a base 24 for connecting with the mounting frame 1, and the base 24 is fixedly connected to the mounting frame 1, so that the housing 21 is fixed to the mounting frame 1. Further, the driving mechanism 23 includes a rotating shaft rotatably connected to the base 24, a sprocket wheel sleeved on the rotating shaft, and a driving motor for driving the rotating shaft to rotate, wherein the sprocket wheel is located in the base 24 and engaged with the flexible chain 22 to drive the flexible chain 22 to move; in this embodiment. The driving motor is a numerical control stepping motor so as to improve the lifting precision; the driving motor and the rotating shaft are connected and driven through a reduction gearbox, and the reduction gearbox is arranged on the base 24, so that the lifting and stretching stability of the stretching assembly is improved. Actuating mechanism uses numerical control step motor drive flexible chain 22 to drive flexible subassembly and goes up and down the action, and when flexible subassembly goes up and down, a plurality of sections inner loop poles 4 led to cooperation numerical control step motor makes elevating gear have lift steady, fix a position accurate, speed is adjustable, single lift power advantage such as big, and flexible subassembly single lift power can reach 2 tons to 50 tons greatly.

Preferably, the mounting frame 1 is a square frame, a first space 11 and a second space 12 are sequentially arranged in the mounting frame 1 from left to right, a first base 13 located in the first space 11 is arranged on the mounting frame 1, the base 24 is detachably connected to the first base 13 through a bolt, the housing 21 is arranged in the second space 12 and is fixedly connected with the base 24, so that the mounting of the housing 21 is completed, the housing 21 is suspended in the second space 12, and the whole actuating mechanism 2 is wrapped in the housing through the first space 11 and the second space 12, so that the actuating mechanism 2 can be protected and the actuating mechanism 2 is prevented from being collided by the outside; it is also possible to provide a sealing plate on the outside of the mounting frame 1, thereby further enhancing the protection of the actuator 2. In addition, a fixing bracket 14 for enhancing the stability of the housing 21 is arranged in the second space 12, two supporting arms 17 are connected to the fixing bracket 14, and the two supporting arms 17 are respectively connected to the front side and the rear side of the housing 21, so that the housing 21 is clamped and supported, and the mounting stability of the housing 21 is improved.

Preferably, a second base 15 corresponding to the upper portion of the first space 11 is arranged on the top of the mounting frame 1, a second connecting seat 31 is arranged at the bottom of the outer loop bar 3, the second connecting seat 31 is fixedly connected with the second base 15 through a bolt, and the outer loop bar 3 is fixed on the second base 15 through the second connecting seat 31. In addition, an auxiliary frame 16 is provided on the top of the mounting frame 1 above the corresponding second space 12, which auxiliary frame can be used for attaching a protective cover to protect the housing 21.

Preferably, a first connecting seat 41 for connecting equipment or components is detachably connected to the top of the innermost inner loop bar 4, so that the telescopic assembly can be connected with the equipment or components by using the first connecting seat 41. In this embodiment, the first connecting base 41 is a connecting flange, and a plurality of connecting holes are formed in the connecting flange for connecting other devices or components. In addition, the connector that is located on its top has been seted up to the inner loop bar 4 inner wall that is located the inlayer, be equipped with the internal thread in the connector, the bottom of first connector 41 is equipped with the connector 42 that can insert in the connector, the periphery of connector 42 be equipped with interior screw-thread fit's external screw thread, connector 42 inserts and installs in the connector, makes internal thread and external screw thread fit to with first connector 41 fixed mounting on the inner loop bar 4 top that is located the inlayer.

Preferably, anti-disengaging structure 5 is located between outer loop bar 3 and the interior loop bar 4 and between the adjacent interior loop bar 4, and in this embodiment, anti-disengaging structure 5 is including locating the screens of outer loop bar 3 and the upper end of interior loop bar 4, locating the arch of interior loop bar 4 lower extreme, and when each loop bar of flexible subassembly rose to the maximum stroke, arch and screens cooperation were in order to restrict the separation between the loop bar. Of course, the anti-separation structure 5 is not limited to the above structure, and the same object can be achieved by referring to the structure of the existing telescopic fishing rod and the telescopic rod for preventing the sleeve rod of the telescopic rod from being separated.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a multisection rod-type numerical control elevating gear, includes installation frame (1), flexible subassembly and actuating mechanism (2), actuating mechanism (2) including locate casing (21) in installation frame (1), flexible chain (22) that one end was hidden in casing (21), drive actuating mechanism (23) of flexible chain (22) action, its characterized in that: flexible subassembly is including the interior loop bar (4) of outer loop bar (3) and a plurality of section that are the tubular structure setting, on outer loop bar (3) were fixed in installation frame (1), loop bar (4) cup jointed in outer loop bar (3) layer upon layer in a plurality of sections, scalable slip between each loop bar of flexible subassembly, be equipped with on the flexible subassembly and prevent anti-disengaging structure (5) of disconnection separation between each loop bar, outer loop bar (3) and a plurality of interior loop bar (4) combination form the chamber that holds that is located flexible subassembly, flexible chain (22) other end is stretched into from the bottom of outer loop bar (3) and is held in the chamber and is connected with interior loop bar (4) that are located the inlayer.

2. The multi-link rod type numerical control lifting device according to claim 1, wherein: one end of the shell (21) is connected with a base (24) connected with the mounting frame (1), and the base (24) is fixedly connected with the mounting frame (1).

3. The multi-link rod type numerical control lifting device according to claim 1, wherein: the driving mechanism (23) comprises a rotating shaft which is rotatably connected with the base (24), a chain wheel which is sleeved on the rotating shaft and a driving motor which is used for driving the rotating shaft to rotate, wherein the chain wheel is positioned in the base (24) and is meshed with the flexible chain (22), and the driving motor and the rotating shaft are connected and driven through a reduction gearbox arranged on the base (24).

4. The multi-link rod type numerical control lifting device according to claim 2, wherein: first space (11), second space (12) are equipped with in proper order from a left side to the right side in installation frame (1), be equipped with first base (13) that are located first space (11) on installation frame (1), base (24) can be dismantled through the bolt and connect on first base (13), casing (21) are located in second space (12) and with base (24) fixed connection.

5. The multi-link rod type numerical control lifting device according to claim 4, wherein: the improved structure is characterized in that a fixing support (14) used for enhancing the stability of the shell (21) is arranged in the second space (12), two supporting arms (17) are connected to the fixing support (14), and the two supporting arms (17) are respectively connected to the front side and the rear side of the shell (21).

6. The multi-link rod type numerical control lifting device according to claim 4, wherein: be equipped with second base (15) that correspond first space (11) top on the top of installation frame (1), the bottom of outer loop bar (3) is equipped with second connecting seat (31), bolt fixed connection is passed through with second base (15) in second connecting seat (31), outer loop bar (3) are fixed on second base (15) through second connecting seat (31).

7. The multi-link rod type numerical control lifting device according to claim 1, wherein: the top of the inner loop bar (4) at the innermost layer is detachably connected with a first connecting seat (41) for connecting parts.

8. The multi-link rod type numerical control lifting device according to claim 7, wherein: the connector that is located on its top is seted up to inner loop bar (4) inner wall that is located the inlayer, be equipped with the internal thread in the connector, the bottom of first connecting seat (41) is equipped with connector (42) that can insert in the connector, the periphery of connector (42) be equipped with internal thread complex external screw thread.

9. The multi-link rod type numerical control lifting device according to claim 1, wherein: anti-disengaging structure (5) including locate overcoat pole (3) and interior loop bar (4) the screens of upper end, locate the arch of interior loop bar (4) lower extreme, protruding and the cooperation of screens contact.