CN210879753U - Pulley lifting device suitable for automatic freezer arm - Google Patents
Pulley lifting device suitable for automatic freezer arm Download PDFInfo
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- CN210879753U CN210879753U CN201921669601.6U CN201921669601U CN210879753U CN 210879753 U CN210879753 U CN 210879753U CN 201921669601 U CN201921669601 U CN 201921669601U CN 210879753 U CN210879753 U CN 210879753U
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Abstract
The utility model relates to an automatic change refrigeration plant technical field, concretely relates to pulley elevating gear suitable for automatic freezer arm, including upper mounting plate, lower platform and elevating system, elevating system includes two lift modules of lift platform bottom plate and symmetric connection in the lift platform bottom plate left and right sides, installs counter weight mechanism and lift pulley mechanism on the lift module, drive module, final drive module, first driven module, the driven module of second and third are being installed to the platform below down, install four idler subassemblies on the upper mounting plate, are installing first chain, second chain, third chain and fourth chain between final drive module, first driven module, the driven module of second and the driven module of third and the idler subassembly directly over it respectively. The utility model aims at providing a pulley elevating gear suitable for automatic freezer arm for three-dimensional arm under the help low temperature environment accomplishes the lift action, improves its working life.
Description
Technical Field
The utility model relates to an automatic change refrigeration plant technical field, concretely relates to pulley elevating gear suitable for automatic freezer arm.
Background
In the past, plasma storage in blood stations, hospitals, plasma collection stations and other mechanisms is generally stored by adopting a medical low-temperature refrigerator, and equipment capable of achieving automatic storage and taking of blood, which is referred to as an automatic blood refrigerator, exists in the market at present. Generally, a three-dimensional manipulator is necessarily provided in an automation system, and the three-dimensional manipulator can perform transmission in XYZ directions. When the Z-direction lifting transmission is realized, the combination of a slide rail and a slide block is generally adopted for up-and-down lifting movement, wherein the internal structure of the slide block mainly comprises a retainer, a ball and a sliding groove. In order to avoid dry friction between the sliding rail and the sliding block, low-temperature grease is coated inside the sliding block because blood needs to be stored for a long time in an environment lower than-18 ℃. However, generally, low-temperature grease is subjected to long-term continuous sliding friction, the grease is easy to emulsify, deteriorate and age more quickly, and is easy to crystallize at low temperature, so that the lifting resistance is increased, the sliding block is worn quickly and needs to be replaced, and the low-temperature grease is very troublesome to replace and maintain under the ultralow-temperature environment and is not beneficial to body health.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pulley elevating gear suitable for automatic freezer arm for accomplish the lift action in the three-dimensional arm under low temperature environment, improve its running life and stability.
The purpose of the utility model is realized through the following technical scheme: the device comprises an upper platform and a lower platform, wherein a lifting mechanism is arranged between the upper platform and the lower platform;
the lifting mechanism comprises a lifting platform bottom plate and two lifting modules which are symmetrically connected to the left side and the right side of the lifting platform bottom plate;
the lifting module comprises a supporting seat, a counterweight mechanism is arranged on the outer side of the supporting seat, the counterweight mechanism comprises a counterweight guide rail and a counterweight module arranged on the counterweight guide rail, the counterweight module comprises a counterweight block, a counterweight pulley base is arranged on the counterweight block, a first counterweight pulley fixing plate and a second counterweight pulley fixing plate are arranged on the counterweight pulley base, counterweight pulley modules are arranged on the first counterweight pulley fixing plate and the second counterweight pulley fixing plate, and the counterweight pulley modules are respectively positioned on two sides of the counterweight guide rail and can slide up and down along the counterweight guide rail;
two lifting pulley mechanisms are symmetrically arranged on the front side and the rear side of the lifting module, each lifting pulley mechanism comprises a lifting guide rail and a lifting pulley component arranged on the lifting guide rail, each lifting pulley component comprises a lifting pulley base, a first lifting pulley fixing plate and a second lifting pulley fixing plate are arranged on the lifting pulley base, lifting pulley modules are arranged on the first lifting pulley fixing plate and the second lifting pulley fixing plate, the lifting pulley modules are respectively positioned on the two sides of the lifting guide rail and can slide up and down along the lifting guide rail, and the lower parts of the lifting pulley components on the two lifting pulley mechanisms symmetrically arranged on the front side and the rear side of the lifting module are connected together through a connecting block;
the left side and the right side of the lifting platform bottom plate are respectively arranged on the connecting blocks at the left side and the right side;
a driving module, a main transmission module, a first driven module, a second driven module and a third driven module are arranged below the lower platform, the driving module is connected with the main transmission module, the main transmission module is connected with the first driven module through a first driven chain, the first driven module is connected with the second driven module through a shared first driven shaft, and the second driven module is connected with the third driven module through a second driven chain;
four idle wheel assemblies are respectively arranged at corresponding positions right above the upper platform and the main transmission module, the first driven module, the second driven module and the third driven module, a first chain is arranged between the main transmission module and the idle wheel assembly at the corresponding position, a second chain is arranged between the first driven module and the idle wheel assembly at the corresponding position, a third chain is arranged between the second driven module and the idle wheel assembly at the corresponding position, and a fourth chain is arranged between the third driven module and the idle wheel assembly at the corresponding position;
the first chain and the second chain are positioned on the same side of the lifting mechanism and are positioned on the same vertical plane, and the third chain and the fourth chain are positioned on the other side of the lifting mechanism and are positioned on the same vertical plane;
at least one of the first chain and the second chain is fixedly connected with the counterweight module on the same side of the first chain and the second chain, at least one of the third chain and the fourth chain is fixedly connected with the counterweight module on the same side of the third chain and the fourth chain, and the movement directions of the counterweight modules on the two sides are the same;
one sides of the first chain, the second chain, the third chain and the fourth chain, which have the same moving direction, are fixedly connected with the lifting pulley assemblies at corresponding positions respectively, and the connecting sides are not connected with the counterweight modules.
In the pulley lifting device, the driving module drives the main transmission module to enable the lifting mechanism to start working, the main transmission module transmits the torque of the driving module to the first driven module, the second transmission module and the third transmission module one by one through the first driven chain, the first driven shaft and the second driven chain, so that the modules start to synchronously rotate to drive the first chain, the second chain, the third chain and the fourth chain which are connected with the modules to synchronously move, the lifting pulley assemblies connected to the same sides of the first chain, the second chain, the third chain and the fourth chain synchronously move up and down along with the chain on one side connected with the lifting pulley assemblies, and the counterweight modules connected to the other side synchronously move in reverse directions to realize stable lifting movement, in addition, the counterweight modules and the lifting pulley assemblies are connected to different sides of the chain to balance the gravity on two sides of the chain, therefore, the load of the driving module is reduced, and power-off self-locking and self-adaption avoidance of blocking are realized.
The utility model provides a pulley elevating gear realizes raising and lowering functions as the lift part of automatic freezer arm, and the Y of automatic freezer arm is installed on the lift platform bottom plate to transport mechanism, can carry out elevating movement along with the lift platform bottom plate to the structure that relies on self realizes Y to the motion.
Further, counter weight pulley module includes counter weight pulley shaft, installs the counter weight pulley on the counter weight pulley shaft, installs one or two counter weight pulley bearings between counter weight pulley shaft and the counter weight pulley, and first bearing gasket is installed in counter weight pulley bearing's the outside, and first fixation nut is being installed in first bearing gasket's the outside, the inside low temperature grease that has been irritated of counter weight pulley bearing, its effect lies in: the counterweight pulley module rotates smoothly, adapts to a low-temperature environment, prolongs the aging time of grease and prolongs the service life.
Further, the mounting hole of one side of the first counter weight pulley fixed plate of installation is waist type hole on the counter weight pulley base, install two counter weight pulley modules on first counter weight pulley fixed plate and the second counter weight pulley fixed plate respectively, the side-mounting of balancing weight has the chain pull rod seat, install counter weight chain pull rod on the chain pull rod seat, its effect lies in: use waist type hole installation to make the distance between the counter weight pulley module of counter weight guide rail both sides become adjustable for adjustment counter weight pulley module and counter weight guide rail complex elasticity avoids influencing the cooperation effect of counter weight pulley module and counter weight guide rail because of machining error and installation error simultaneously, and two counter weight pulley modules are installed respectively to the both sides of counter weight guide rail and make the cooperation between counter weight pulley module and the counter weight guide rail more stable, thereby avoid rocking of counter weight module at the lift in-process, improve equipment stability, counter weight chain pull rod is used for being connected counter weight module and chain, makes counter weight module can carry out up-and-down motion along with the chain.
Further, the lift pulley module is including going up and down the pulley shaft, is installing the lift pulley on the lift pulley shaft, installs one or two lift pulley bearings between lift pulley shaft and the lift pulley, and the second bearing gasket is installed in the outside of lift pulley bearing, and second fixation nut is being installed in the outside of second bearing gasket, the inside low temperature grease that has irritated of lift pulley bearing, its effect lies in: the lifting pulley module is enabled to rotate smoothly, the low-temperature environment is adapted, meanwhile, the aging time of grease is prolonged, and the service life is prolonged.
Further, the mounting hole of one side of the first lift pulley fixed plate of installation is waist type hole on the lift pulley base, install two lift pulley modules on first lift pulley fixed plate and the second lift pulley fixed plate respectively, install the lift chain pull rod on the lift pulley base, its effect lies in: the distance between the lifting pulley modules on the two sides of the lifting guide rail is adjustable by using the waist-shaped hole for installation, the tightness between the lifting pulley modules and the lifting guide rail is adjusted, meanwhile, the influence on the matching effect of the lifting pulley modules and the lifting guide rail due to machining errors and installation errors is avoided, the two lifting pulley modules are respectively installed on the two sides of the lifting guide rail, so that the matching between the lifting pulley modules and the lifting guide rail is more stable, the lifting module is prevented from shaking in the lifting process, the lifting platform bottom plate and the Y-direction conveying mechanism installed on the lifting platform bottom plate can stably lift, the stability of the equipment is improved, the lifting chain pull rod is used for connecting the lifting pulley assembly with a chain, and the lifting pulley assembly can move up and down along with the chain.
Furthermore, the idler assembly comprises an idler shaft, an idler is mounted on the idler shaft, idler shaft bearing seats are mounted at two ends of the idler shaft, and an idler bearing is mounted between the idler shaft and the idler shaft bearing seats, and the idler assembly is used for: the idler wheel assembly is stably installed, the idler wheel rotates smoothly, and the running stability of the lifting mechanism is improved.
Furthermore, the main transmission module comprises a driving shaft seat, a driving shaft is mounted on the driving shaft seat, a coupler is mounted at one end of the driving shaft, the other end of the coupler is connected with the driving module, a first driving chain wheel and a second driving chain wheel are mounted on the driving shaft, a first chain is connected to the first driving chain wheel, and a first driven chain is connected to the second driving chain wheel; the first driven module comprises a first driven shaft seat, a first driven shaft supporting seat, a first driven chain wheel and a second driven chain wheel, one end of the first driven shaft is installed on the first driven shaft seat, the first driven chain wheel, the second driven chain wheel and the first driven shaft supporting seat are installed on the first driven shaft, the first driven chain wheel is connected with a second chain, and the second driven chain wheel is connected with a first driven chain; the second driven module comprises a second driven shaft seat, a third driven chain wheel and a fourth driven chain wheel, the other end of the first driven shaft is installed on the second driven shaft seat, the third driven chain wheel and the fourth driven chain wheel are installed on the first driven shaft, the third driven chain wheel is connected with a second driven chain, and the fourth driven chain wheel is connected with a third chain; the third driven module comprises a second driven shaft, two ends of the second driven shaft are installed on a third driven shaft seat, a fifth driven chain wheel and a sixth driven chain wheel are installed on the second driven shaft, the fifth driven chain wheel is connected with a second driven chain, and the sixth driven chain wheel is connected with a fourth chain. The function is as follows: the torsional impact of the driving module is alleviated, the torque generated by the driving module is stably transmitted to the main transmission module, the first driven module, the second driven module and the third driven module, so that the four modules can rotate stably and synchronously, and the first chain, the second chain, the third chain and the fourth chain are driven to move synchronously, so that the two sides of the bottom plate of the lifting platform are lifted synchronously.
Combine the utility model discloses a structural feature, the utility model provides a pair of pulley elevating gear suitable for automatic freezer arm, its beneficial effect is: the utility model discloses can adapt to and work in automatic low temperature freezer for a long time, be rolling friction between lift in-process pulley module and the guide rail, elevating system's wearability has been increased, low temperature grease seals in the bearing, also avoided the crystallization under low temperature environment, also avoided the grease emulsification ageing-accelerating in continuous sliding friction simultaneously, the life of low temperature grease has been improved, thereby elevating system's running life has been improved, in addition, through the gravity through the balanced lift pulley assembly of counter weight module, the load of drive module has been reduced, drive module's life has been prolonged, elevating system's outage auto-lock has been realized simultaneously, it dies to have avoided the operation in-process card, the stability of mechanism has been increased, avoid frequently maintaining harm health under low temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of a pulley lifting device suitable for an automatic freezer arm.
Fig. 2 is a schematic structural view of the upper platform and the counterweight mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the lifting pulley mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the bottom of the pulley lifting device applicable to the bottom of the mechanical arm of the automatic refrigeration house.
Fig. 5 is a schematic structural view of the idler assembly according to the present invention.
Fig. 6 is a schematic structural diagram of the counterweight module according to the present invention.
Fig. 7 is a schematic structural diagram of the lifting pulley assembly of the present invention.
Wherein, 1-upper platform, 2-lifting mechanism, 3-lower platform, 4-lifting platform bottom plate, 5-lifting module, 6-counterweight mechanism, 61-counterweight guide rail, 62-counterweight module, 621-counterweight block, 622-counterweight pulley base, 623-first counterweight pulley fixing plate, 624-second counterweight pulley fixing plate, 625-counterweight pulley module, 6251-counterweight pulley shaft, 6252-counterweight pulley, 6253-counterweight pulley bearing, 6254-first bearing gasket, 6255-first fixing nut, 626-chain pull rod seat, 627-counterweight chain pull rod, 7-idler wheel component, 71-idler wheel shaft, 72-idler wheel bearing, 73-idler wheel shaft, 74-idler wheel, 8-supporting seat, 9-lifting pulley mechanism, 91-lifting guide rail, 92-lifting pulley assembly, 921-lifting pulley base, 922-second lifting pulley fixing plate, 923-first lifting pulley fixing plate, 924-lifting pulley module, 9241-lifting pulley shaft, 9242-lifting pulley bearing, 9243-lifting pulley, 9244-second bearing pad, 9245-second fixing nut, 925-lifting chain pull rod, 10-connecting block, 11-driving module, 12-first driven chain, 13-first driven shaft, 14-second driven chain, 15-main transmission module, 151-coupler, 152-second driving sprocket, 153-driving shaft, 154-first driving sprocket, 155-driving shaft base, 16-first driven module, 161-a first driven shaft, 162-a first driven sprocket, 163-a second driven sprocket, 164-a first driven shaft support seat, 17-a second driven module, 171-a third driven sprocket, 172-a fourth driven sprocket, 173-a second driven shaft seat, 18-a third driven module, 181-a third driven shaft seat, 182-a sixth driven sprocket, 183-a second driven shaft, 184-a fifth driven sprocket, 19-a first chain, 20-a second chain, 21-a third chain, and 22-a fourth chain.
Detailed Description
For a detailed description of the technical features and the objects and effects achieved by the present invention, further description is made below with reference to the accompanying drawings:
as shown in fig. 1 to 7, the pulley lifting device suitable for the automatic freezer mechanical arm provided by the utility model comprises an upper platform 1 and a lower platform 3, wherein a lifting mechanism 2 is arranged between the upper platform 1 and the lower platform 3;
the lifting mechanism 2 comprises a lifting platform bottom plate 4 and two lifting modules 5 which are symmetrically connected to the left side and the right side of the lifting platform bottom plate 4;
the lifting module 5 comprises a supporting seat 8, a counterweight mechanism 6 is mounted on the outer side of the supporting seat 8, the counterweight mechanism 6 comprises a counterweight guide rail 61 and a counterweight module 62 mounted on the counterweight guide rail 61, the counterweight module 62 comprises a counterweight 621, a counterweight pulley base 622 is mounted on the counterweight 621, a first counterweight pulley fixing plate 623 and a second counterweight pulley fixing plate 624 are mounted on the counterweight pulley base 622, counterweight pulley modules 625 are mounted on the first counterweight pulley fixing plate 623 and the second counterweight pulley fixing plate 624, and the counterweight pulley modules 625 are respectively located on two sides of the counterweight guide rail 61 and can slide up and down along the counterweight guide rail 61;
two lifting pulley mechanisms 9 are symmetrically installed on the front side and the rear side of the lifting module 5, each lifting pulley mechanism 9 comprises a lifting guide rail 91 and a lifting pulley assembly 92 installed on the lifting guide rail 91, each lifting pulley assembly 92 comprises a lifting pulley base 921, a first lifting pulley fixing plate 923 and a second lifting pulley fixing plate 922 are installed on each lifting pulley base 921, lifting pulley modules 924 are installed on each first lifting pulley fixing plate 923 and each second lifting pulley fixing plate 922, the lifting pulley modules 924 are respectively located on the two sides of the lifting guide rail 91 and can slide up and down along the lifting guide rail 91, and the lower sides of the lifting pulley assemblies 92 on the two lifting pulley mechanisms 9 symmetrically installed on the front side and the rear side of the lifting module 5 are connected together through a connecting block 10;
the left side and the right side of the lifting platform bottom plate 4 are respectively arranged on the connecting blocks 10 at the left side and the right side;
a driving module 11, a main transmission module 15, a first driven module 16, a second driven module 17 and a third driven module 18 are arranged below the lower platform 3, the driving module 11 is connected with the main transmission module 15, the main transmission module 15 is connected with the first driven module 16 through a first driven chain 12, the first driven module 16 is connected with the second driven module 17 through a shared first driven shaft 13, and the second driven module 17 is connected with the third driven module 18 through a second driven chain 14;
four idle wheel assemblies 7 are respectively arranged at corresponding positions right above the upper platform 1 and the main transmission module 15, the first driven module 16, the second driven module 17 and the third driven module 18, a first chain 19 is arranged between the main transmission module 15 and the idle wheel assembly 7 at the corresponding position, a second chain 20 is arranged between the first driven module 16 and the idle wheel assembly 7 at the corresponding position, a third chain 21 is arranged between the second driven module 17 and the idle wheel assembly 7 at the corresponding position, and a fourth chain 22 is arranged between the third driven module 18 and the idle wheel assembly 7 at the corresponding position;
the first chain 19 and the second chain 20 are positioned on the same side of the lifting mechanism 2 and are positioned on the same vertical plane, and the third chain 21 and the fourth chain 22 are positioned on the other side of the lifting mechanism 2 and are positioned on the same vertical plane;
at least one of the first chain 19 and the second chain 20 is fixedly connected with the counterweight module 62 on the same side, at least one of the third chain 21 and the fourth chain 22 is fixedly connected with the counterweight module 62 on the same side, and the movement directions of the counterweight modules on the two sides are the same;
one sides of the first chain 19 and the second chain 20, which have the same moving direction as the third chain 21 and the fourth chain 22, are fixedly connected to the lifting pulley assembly 92 at the corresponding positions, respectively, and the connected sides are not connected to the counterweight module 62.
Preferably, the counterweight pulley module 625 includes a counterweight pulley shaft 6251, a counterweight pulley 6252 is mounted on the counterweight pulley shaft 6251, two counterweight pulley bearings 6253 are mounted between the counterweight pulley shaft 6251 and the counterweight pulley 6252, a first bearing pad 6254 is mounted on the outer side of the counterweight pulley bearing 6253, a first fixing nut 6255 is mounted on the outer side of the first bearing pad 6254, and low-temperature grease is filled in the counterweight pulley bearing 6253.
Preferably, the mounting hole of one side of the first counter weight pulley fixing plate 623 of installation on the counter weight pulley base 622 is waist type hole, install two counter weight pulley modules 625 on first counter weight pulley fixing plate 623 and the second counter weight pulley fixing plate 624 respectively, chain pull rod seat 626 is installed to the side of balancing weight 621, install counter weight chain pull rod 627 on chain pull rod seat 626, counter weight chain pull rod 627 is connected with the counter weight of chain and is connected the side.
Preferably, the lifting pulley module 924 includes a lifting pulley shaft 9241, a lifting pulley 9243 is installed on the lifting pulley shaft 9241, two lifting pulley bearings 9242 are installed between the lifting pulley shaft 9241 and the lifting pulley 9243, a second bearing pad 9244 is installed on the outer side of the lifting pulley bearing 6242, a second fixing nut 9245 is installed on the outer side of the second bearing pad, and low-temperature grease is filled in the lifting pulley bearing 9242.
Preferably, the mounting hole of the one side of the first lift pulley fixed plate 923 of installation is waist type hole on lift pulley base 921, install two lift pulley modules 924 on first lift pulley fixed plate 923 and the second lift pulley fixed plate 922 respectively, install lift chain pull rod 925 on the lift pulley base 921, lift chain pull rod 925 is connected with the lift connection side of chain.
Preferably, the idler assembly 7 includes an idler shaft 73, an idler 74 mounted on the idler shaft 73, an idler bearing seat 71 mounted on both ends of the idler shaft 73, and an idler bearing 72 mounted between the idler shaft 73 and the idler bearing seat 71.
Preferably, the main transmission module 15 includes a driving shaft seat 155, a driving shaft 153 is mounted on the driving shaft seat 155, a coupling 151 is mounted at one end of the driving shaft 153, the other end of the coupling 151 is connected to the driving module 11, a first driving sprocket 154 and a second driving sprocket 152 are mounted on the driving shaft 153, the first driving sprocket 154 is connected to the first chain 19, and the second driving sprocket 152 is connected to the first driven chain 12.
Preferably, the first driven module 16 includes a first driven shaft seat 161, a first driven shaft support seat 164, a first driven sprocket 162 and a second driven sprocket 163, one end of the first driven shaft 13 is mounted on the first driven shaft seat 164, the first driven sprocket 162, the second driven sprocket 163 and the first driven shaft support seat 164 are mounted on the first driven shaft 13, the first driven sprocket 162 is connected to the second chain 20, and the second driven sprocket 163 is connected to the first driven chain 12.
Preferably, the second driven module 17 includes a second driven shaft seat 173, a third driven sprocket 171 and a fourth driven sprocket 172, the other end of the first driven shaft 13 is mounted on the second driven shaft seat 173, the third driven sprocket 171 and the fourth driven sprocket 172 are mounted on the first driven shaft 13, the third driven sprocket 171 is connected to the second driven chain 14, and the fourth driven sprocket 172 is connected to the third chain 21.
Preferably, the third driven module 18 includes a second driven shaft 183, two ends of the second driven shaft 183 are mounted on the third driven shaft seat 181, a fifth driven sprocket 184 and a sixth driven sprocket 182 are mounted on the second driven shaft 183, the fifth driven sprocket 184 is connected to the second driven chain 14, and the sixth driven sprocket 182 is connected to the fourth chain 22.
The utility model provides a pair of pulley elevating gear suitable for automatic freezer arm, its concrete implementation step is as follows:
when the lifting mechanism 2 works, the driving module 11 is started, the torsional impact is relieved through the coupler 151, the torque is smoothly transmitted to the main driving module 15, the main driving module 15 drives the first driven module 16 to rotate through the first driven chain 12, because the second driven module 17 and the first driven module 16 share the first driven shaft 13, the second driven module 17 and the first driven module 16 synchronously rotate, the second driven module 17 drives the third driven module 18 to rotate through the second driven chain 14, and finally, the main driving module 15, the first driven module 16, the second driven module 17 and the third driven module 18 synchronously rotate simultaneously, because the first driving sprocket 154 and the second driving sprocket 152 share the driving shaft 153, and the first driven sprocket 162, the second driven sprocket 163, the third driven sprocket 171 and the fourth driven sprocket 172 share the first driven shaft 13, since the fifth driven sprocket 184 and the sixth driven sprocket 182 share the second driven shaft 183, the first chain 19 connected to the first drive sprocket 154, the second chain 20 connected to the first driven sprocket 162, the third chain 21 connected to the fourth driven sprocket 172, and the fourth chain 22 connected to the sixth driven sprocket 182 start to rotate simultaneously.
Because counter weight module 62 and lift pulley assembly 92 are fixed respectively at first chain 19, second chain 20, third chain 21, the opposite both sides of fourth chain 22 motion, consequently, counter weight module 62 and lift pulley assembly 92 are along with first chain 19, second chain 20, third chain 21, the motion of fourth chain 22 and carry out synchronous reverse motion, lift platform bottom plate 4 that is connected with the connecting block 10 of lift pulley assembly 92 below follows lift pulley assembly 92 and goes up and down steadily, and in the arm of automatic freezer, Y is installed to transport mechanism the utility model provides a pulley elevating gear's lift platform bottom plate 4 is gone up and down steadily along with lift platform bottom plate 4 on, thereby reachs the height of automatic freezer goods shelves, accomplishes the access to cold-stored article.
Two counterweight pulley modules 625 are respectively arranged on two matched sides of the counterweight module 62 and the counterweight guide rail 61, two lifting pulley modules 924 are respectively arranged on two matched sides of the lifting pulley assembly 92 and the lifting guide rail 91, in the installation process, the installation position of the first counterweight pulley fixing plate 623 can be adjusted through a kidney-shaped hole on the counterweight pulley base 622, the installation position of the first lifting pulley fixing plate 923 is adjusted through a kidney-shaped hole on the lifting pulley base 921, so that the installation effect of the counterweight module 62, the counterweight guide rail 61, the lifting pulley assembly 92 and the lifting guide rail 91 is prevented from being influenced by machining errors or installation errors, the installability of the counterweight module 62 and the lifting pulley assembly is improved, the matched tightness of the counterweight pulley module 625 and the counterweight guide rail 61 is moderate by adjusting the installation position of the first counterweight pulley fixing plate 623, the counterweight module 62 can smoothly slide on the counterweight guide rail 61, through adjusting the mounted position of first lift pulley fixed plate 923, make lift pulley module 924 and lift guide rail 91 complex elasticity moderate, lift pulley assembly 92 can smoothly slide on lift guide rail 91, finally improves the smooth and easy of 2 working processes of elevating system, reduces unnecessary wearing and tearing.
In elevating system 2's lift in-process, lift pulley 9243 and counter weight pulley 6252's peripheral recess rolls along lift guide 91 and counter weight guide 61, is rolling friction in its motion process, and wearing and tearing are less, and in addition, have irritated low temperature grease in lift pulley bearing 9242 and counter weight pulley bearing 6253's inside, the grease is rolling friction in the inside of bearing, and low temperature grease is in the enclosed environment, has guaranteed that the operation of mechanism is smooth, and its ageing life is also more permanent simultaneously, compares in the elevating system that adopts the slider to carry out the lift, the utility model discloses need not change the slider and annotate low temperature grease, reduced and maintained frequently.
When counter weight module 62 and lift pulley assembly 92 install respectively in first chain 19, second chain 20, third chain 21 and the opposite both sides of fourth chain 22 direction of motion, consequently, the gravity of chain both sides has been balanced, the load of drive module 11 has been reduced, the life of drive module 11 has been improved, and simultaneously, when equipment cuts off the power supply suddenly, drive module 11 stall, pulley lift assembly 92 also can be under counter weight module 62's effect, the stop motion, can not descend rapidly, thereby realize the auto-lock of cutting off the power supply.
The applicant asserts that the above-described embodiments merely represent the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, but rather, the principles of the invention are described in the above-described embodiments and the description, and that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a pulley elevating gear suitable for automatic freezer arm which characterized in that: comprises an upper platform and a lower platform, a lifting mechanism is arranged between the upper platform and the lower platform, wherein,
the lifting mechanism comprises a lifting platform bottom plate and two lifting modules which are symmetrically connected with the left side and the right side of the lifting platform bottom plate, wherein,
the lifting module comprises a supporting seat, a counterweight mechanism is arranged on the outer side of the supporting seat, the counterweight mechanism comprises a counterweight guide rail and a counterweight module arranged on the counterweight guide rail, the counterweight module comprises a counterweight block, a counterweight pulley base is arranged on the counterweight block, a first counterweight pulley fixing plate and a second counterweight pulley fixing plate are arranged on the counterweight pulley base, counterweight pulley modules are arranged on the first counterweight pulley fixing plate and the second counterweight pulley fixing plate, and the counterweight pulley modules are respectively positioned on two sides of the counterweight guide rail and can slide up and down along the counterweight guide rail;
two lifting pulley mechanisms are symmetrically arranged on the front side and the rear side of the lifting module, each lifting pulley mechanism comprises a lifting guide rail and a lifting pulley component arranged on the lifting guide rail, each lifting pulley component comprises a lifting pulley base, a first lifting pulley fixing plate and a second lifting pulley fixing plate are arranged on the lifting pulley base, lifting pulley modules are arranged on the first lifting pulley fixing plate and the second lifting pulley fixing plate, the lifting pulley modules are respectively positioned on the two sides of the lifting guide rail and can slide up and down along the lifting guide rail, and the lifting pulley components on the two lifting pulley mechanisms symmetrically arranged on the front side and the rear side of the lifting module are connected together through a connecting block;
the left side and the right side of the lifting platform bottom plate are respectively arranged on the connecting blocks at the left side and the right side;
a driving module, a main transmission module, a first driven module, a second driven module and a third driven module are arranged below the lower platform, the driving module is connected with the main transmission module, the main transmission module is connected with the first driven module through a first driven chain, the first driven module is connected with the second driven module through a shared first driven shaft, and the second driven module is connected with the third driven module through a second driven chain;
four idle wheel assemblies are respectively arranged at corresponding positions right above the upper platform and the main transmission module, the first driven module, the second driven module and the third driven module, a first chain is arranged between the main transmission module and the idle wheel assembly at the corresponding position, a second chain is arranged between the first driven module and the idle wheel assembly at the corresponding position, a third chain is arranged between the second driven module and the idle wheel assembly at the corresponding position, a fourth chain is arranged between the third driven module and the idle wheel assembly at the corresponding position, wherein,
the first chain and the second chain are positioned on one side of the lifting mechanism, the first chain and the second chain are positioned on the same vertical plane, the third chain and the fourth chain are positioned on the other side of the lifting mechanism, and the third chain and the fourth chain are positioned on the same vertical plane;
at least one of the first chain and the second chain is fixedly connected with the counterweight module on the same side of the first chain and the second chain, at least one of the third chain and the fourth chain is fixedly connected with the counterweight module on the same side of the third chain and the fourth chain, and the movement directions of the counterweight modules on the two sides are the same;
one sides of the first chain, the second chain, the third chain and the fourth chain, which have the same moving direction, are fixedly connected with the lifting pulley assemblies at corresponding positions respectively, and the connecting sides are not connected with the counterweight modules.
2. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the counterweight pulley module comprises a counterweight pulley shaft, a counterweight pulley is mounted on the counterweight pulley shaft, one or two counterweight pulley bearings are mounted between the counterweight pulley shaft and the counterweight pulley, a first bearing gasket is mounted on the outer side of each counterweight pulley bearing, a first fixing nut is mounted on the outer side of each first bearing gasket, and low-temperature grease is filled in each counterweight pulley bearing.
3. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the mounting hole of one side of first counter weight pulley fixed plate of installation on the counter weight pulley base is waist type hole, install two counter weight pulley modules on first counter weight pulley fixed plate and the second counter weight pulley fixed plate respectively, the side-mounting of balancing weight has the chain pull rod seat, install counter weight chain pull rod on the chain pull rod seat.
4. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the lifting pulley module comprises a lifting pulley shaft, a lifting pulley is mounted on the lifting pulley shaft, one or two lifting pulley bearings are mounted between the lifting pulley shaft and the lifting pulley, a second bearing gasket is mounted on the outer side of each lifting pulley bearing, a second fixing nut is mounted on the outer side of each second bearing gasket, and low-temperature grease is filled in the lifting pulley bearings.
5. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the mounting hole of one side of first lift pulley fixed plate of installation on the lift pulley base is waist type hole, install two lift pulley modules on first lift pulley fixed plate and the second lift pulley fixed plate respectively, install the lift chain pull rod on the lift pulley base.
6. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the idler assembly comprises an idler shaft, an idler is mounted on the idler shaft, idler shaft bearing seats are mounted at two ends of the idler shaft, and idler bearings are mounted between the idler shaft and the idler shaft bearing seats.
7. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the main transmission module comprises a driving shaft seat, a driving shaft is mounted on the driving shaft seat, a coupler is mounted at one end of the driving shaft, the other end of the coupler is connected with the driving module, a first driving chain wheel and a second driving chain wheel are mounted on the driving shaft, a first chain is connected to the first driving chain wheel, and a first driven chain is connected to the second driving chain wheel.
8. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the first driven module comprises a first driven shaft seat, a first driven shaft supporting seat, a first driven chain wheel and a second driven chain wheel, one end of the first driven shaft is installed on the first driven shaft seat, the first driven chain wheel, the second driven chain wheel and the first driven shaft supporting seat are installed on the first driven shaft, the first driven chain wheel is connected with a second chain, and the second driven chain wheel is connected with a first driven chain.
9. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the second driven module comprises a second driven shaft seat, a third driven chain wheel and a fourth driven chain wheel, the other end of the first driven shaft is installed on the second driven shaft seat, the third driven chain wheel and the fourth driven chain wheel are installed on the first driven shaft, the third driven chain wheel is connected with a second driven chain, and the fourth driven chain wheel is connected with a third chain.
10. The pulley lifting device suitable for the automatic freezer mechanical arm of claim 1, characterized in that: the third driven module comprises a second driven shaft, two ends of the second driven shaft are installed on a third driven shaft seat, a fifth driven chain wheel and a sixth driven chain wheel are installed on the second driven shaft, the fifth driven chain wheel is connected with a second driven chain, and the sixth driven chain wheel is connected with a fourth chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669601.6U CN210879753U (en) | 2019-10-08 | 2019-10-08 | Pulley lifting device suitable for automatic freezer arm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669601.6U CN210879753U (en) | 2019-10-08 | 2019-10-08 | Pulley lifting device suitable for automatic freezer arm |
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| CN210879753U true CN210879753U (en) | 2020-06-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455986A (en) * | 2020-11-24 | 2021-03-09 | 中国电子科技集团公司第三十八研究所 | Fixed lifting machine for automatic stereoscopic warehouse |
| CN114211218A (en) * | 2022-01-04 | 2022-03-22 | 南通利元亨机械有限公司 | Rotary cage type powder concentrator assembling platform |
| CN115125637A (en) * | 2022-06-14 | 2022-09-30 | 常州宏双纺机有限公司 | Intelligent high-speed balance positioning rotary twisting machine |
-
2019
- 2019-10-08 CN CN201921669601.6U patent/CN210879753U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455986A (en) * | 2020-11-24 | 2021-03-09 | 中国电子科技集团公司第三十八研究所 | Fixed lifting machine for automatic stereoscopic warehouse |
| CN114211218A (en) * | 2022-01-04 | 2022-03-22 | 南通利元亨机械有限公司 | Rotary cage type powder concentrator assembling platform |
| CN115125637A (en) * | 2022-06-14 | 2022-09-30 | 常州宏双纺机有限公司 | Intelligent high-speed balance positioning rotary twisting machine |
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Address after: 518109 the 1st floor and the whole building of No.1 Factory Building and the 1st floor and the whole building of No.2 factory building in Baiyunshan Industrial Zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Aikang Biotechnology Co.,Ltd. Address before: 518109 the 1st floor and the whole building of No.1 Factory Building and the 1st floor and the whole building of No.2 factory building in Baiyunshan Industrial Zone, Tongsheng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: AIKANG MEDTECH Co.,Ltd. |
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