CN114835024A - Program-controlled trolley lifted by chain - Google Patents

Program-controlled trolley lifted by chain Download PDF

Info

Publication number
CN114835024A
CN114835024A CN202210598837.5A CN202210598837A CN114835024A CN 114835024 A CN114835024 A CN 114835024A CN 202210598837 A CN202210598837 A CN 202210598837A CN 114835024 A CN114835024 A CN 114835024A
Authority
CN
China
Prior art keywords
chain
trolley
frame
lifting
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210598837.5A
Other languages
Chinese (zh)
Other versions
CN114835024B (en
Inventor
汪自祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
High End Equipment Research Institute Of Zhejiang University
Original Assignee
High End Equipment Research Institute Of Zhejiang University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by High End Equipment Research Institute Of Zhejiang University filed Critical High End Equipment Research Institute Of Zhejiang University
Priority to CN202210598837.5A priority Critical patent/CN114835024B/en
Priority claimed from CN202210598837.5A external-priority patent/CN114835024B/en
Publication of CN114835024A publication Critical patent/CN114835024A/en
Application granted granted Critical
Publication of CN114835024B publication Critical patent/CN114835024B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00—Methods preventing fouling
    • B08B17/02—Preventing deposition of fouling or of dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/10—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for preventing cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/08—Constructional features of runway rails or rail mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14—Trolley or crane travel drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/33—Chains

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention relates to a program-controlled trolley lifted by a chain, which comprises a rail system, a cart, a walking trolley, a rotating trolley and a lifting device, wherein the cart is arranged on the rail system; the cart is positioned on the track system and can move along the track system in the X direction; the walking trolley is positioned on the cart and can move along the cart in the Y direction; the rotating trolley is positioned on the walking trolley and can drive the lifting device on the rotating trolley to rotate relative to the walking trolley; the lifting device realizes Z-direction transportation of the workpiece placed on the lifting appliance through the lifting appliance and chain transmission. The invention overcomes the defects that the workpiece is easy to shake and incline, the positioning precision is low, the workpiece cannot be automatically rotated and the like when the traditional crane is adopted for hoisting and transporting, and can greatly improve the assembly efficiency and the safety and precision of hoisting and transporting large workpieces in the intelligent assembly field of engineering machinery and the like.

Description

Program-controlled trolley lifted by chain
Technical Field
The invention relates to the technical field of conveying machinery, in particular to a program-controlled travelling crane adopting chain lifting.
Background
In the field of engineering machinery assembly, the method widely relates to the circulation of large parts among different stations and processes. In the traditional assembly process, the workpieces are mainly lifted by a workshop crane, the circulation of parts among all assembly stations is realized, and the common workshop crane generally adopts a winch as a lifting device and bears the weight of the workpieces by a steel wire rope. By adopting the mode, the defects that the efficiency is low, the gravity center of a workpiece is difficult to find, parts are easy to incline, the workpiece is easy to shake in the quick moving process, the positioning precision is low, the workpiece cannot rotate and the like are overcome, and the requirements of quick and high-precision hoisting and transportation in the field of intelligent assembly cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the program-controlled trolley lifted by the chain, which can realize point-to-point rapid circulation among different stations, has high positioning precision, stable operation, no shaking and rotation.
The purpose of the invention is realized by the following technical scheme:
a program control trolley adopting chain lifting comprises a rail system, a cart, a walking trolley, a rotating trolley and a lifting device;
the track system comprises a support beam, a first steel rail and a first pressing plate; the first steel rail is fixed on the support beam through the first pressing plate;
the cart comprises an end beam, a main beam, a walking speed reducing motor, a second driving wheel device, a second driven wheel device, a second steel rail and a second pressing plate; the two end beams are positioned at the front side and the rear side, and the two main beams are fixed on the two end beams in parallel; the walking speed reducing motor, the second driving wheel device and the second driven wheel device are all arranged on the end beam, and the walking speed reducing motor is directly connected with the second driving wheel device to drive the whole cart to walk along a first steel rail of the track system; the second steel rail is mounted on the main beam through a second pressing plate;
the walking trolley comprises a trolley frame, a first driving wheel device, a first driven wheel device, a driving speed reduction motor and a universal coupling; two sets of first driving wheel devices are mounted at the front end of the frame, two sets of first driven wheel devices are mounted at the rear end of the frame, and the first driving wheel devices and the first driven wheel devices are both located on the second steel rail; the driving speed reduction motor is in a double-output-shaft mode and is connected with the two sets of first driving wheel devices through the universal coupling, and the two sets of first driving wheel devices are driven to drive the whole walking trolley to walk along the second steel rail, so that the workpiece can move in the Y direction;
the rotary trolley comprises a rotary frame, supporting roller groups, a rotary bearing seat and an electric push rod, wherein the four supporting roller groups are arranged on the rotary frame along a rotary center; one end of the rotary bearing seat is fixed on the frame of the walking trolley, and the other end of the rotary bearing seat is fixed on the rotary frame; the tailstock of the electric push rod is hinged with the frame of the walking trolley, the output end of the electric push rod is hinged with the rotating frame, and the rotating trolley is driven to rotate on the walking trolley through the extension or retraction of the push rod;
the lifting device comprises a lifting appliance, a chain collecting box, a power chain wheel device, a driven steering chain wheel device and a chain wheel speed reducing motor;
the two power chain wheel devices, the two driven steering chain wheel devices and the two chain collecting boxes are all arranged on the rotating frame; the chain wheel speed reducing motor is arranged in the middle of the rotating frame, is of a double-output-shaft structure and is connected with the two power chain wheel devices through a coupler; the four chains are respectively used for connecting four corners of the lifting appliance, and the other ends of the chains are fixed in the chain collecting box.
Further, chain anti-jumping devices are mounted on the power chain wheel device and the driven steering chain wheel device, and a chain penetrates through a gap between a roller of the chain anti-jumping device and chain wheels of the power chain wheel device and the driven steering chain wheel device, so that the chain is prevented from jumping out of the teeth of the chain wheels.
Further, elevating gear still includes the chain protection casing, prevents that workshop dust and debris from falling on the chain, influencing the normal use of equipment.
Further, the lifting device also comprises an automatic chain lubricating device arranged on the chain protective cover.
Furthermore, a slide way is arranged in the chain collecting box, so that the chains are orderly arranged in the chain collecting box.
Furthermore, a chain guide rail is arranged between the power chain wheel device and the corresponding driven steering chain wheel device, and the chain guide rail is fixed on the rotating frame and used for supporting the chain.
Further, elevating gear still includes four uide bushings and four guide posts, and four uide bushings are all installed the bottom surface of revolving frame, and four guide posts are installed on four angles of hoist, when the hoist rises to the high position and carries out the transportation of work piece, the guide post gets into the uide bushing prevents that the work piece from rocking on the way in the transportation.
Furthermore, a safety bolt device is arranged on the guide sleeve and comprises a fixed seat, a bolt, an electric push rod and a sliding key, and the fixed seat is fixed on a connecting seat of the guide sleeve; the bolt is fixed on the electric push rod, and the electric push rod is arranged on the fixed seat; a key groove is formed in the plug pin, and a sliding key is arranged on a connecting seat of the guide sleeve; a circular hole is processed on the guide post, when the lifting appliance is lifted to a high position, the electric push rod acts to insert the bolt into the circular hole of the guide post, and the bolt is prevented from rotating through the sliding key.
The invention has the following beneficial effects:
the invention overcomes the defects that the workpiece is easy to shake and incline, the positioning precision is low, the workpiece cannot be automatically rotated and the like when the traditional crane is adopted for hoisting and transporting, and can greatly improve the assembly efficiency and the safety and precision of hoisting and transporting large workpieces in the intelligent assembly field of engineering machinery and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of fig. 1 (without the sprocket guard and lubrication arrangement).
Fig. 3 is a left side view of fig. 1.
FIG. 4 is a schematic view of the platen and rail processing (not including the sprocket guard and lubrication device).
Fig. 5 is a schematic structural diagram of the walking trolley and the rotating trolley.
Fig. 6 is an enlarged view of a portion of the power sprocket assembly and the passive steering sprocket assembly of fig. 2 showing the engagement of the chain guide and the chain.
Fig. 7 is an enlarged schematic view at a in fig. 1.
In the figure, a track system 1, a cart 2, a traveling cart 3, a rotating cart 4, a lifting device 5, a supporting beam 101, a first rail 102 and a first pressing plate 103, an end beam 201, a main beam 202, a traveling gear motor 203, a second driving wheel device 204, a second driven wheel device 205, a second rail 206, a second pressing plate 207, a frame 301, a first driving wheel device 302, a first driven wheel device 303, a driving gear motor 304, a universal coupling 305, a rotating frame 401, a supporting roller set 402, a rotating bearing seat 403 and an electric push rod 404, a hanger 501, a chain 502, a fixed joint 503, a chain collecting box 504, a power sprocket device 505, a driven steering sprocket device 506, a coupling 507, a sprocket gear motor 508, a chain guide rail 509, a chain anti-skipping gear device 510, a chain protective cover 511, an automatic lubricating device 512, a slideway 513, a guide column 514, a guide sleeve 515, a fixed seat 516, a first pressing plate, a first driving plate 302, a first driven plate 302, a second driven plate device 304, a second driven plate device 302, a second driven plate, a driven plate device, a driven plate, a bolt 517, an electric push rod 518 and a sliding key 519.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the present invention will become more apparent, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the program-controlled trolley of the invention, which adopts chain lifting, comprises: the device comprises a track system 1, a cart 2, a walking trolley 3, a rotating trolley 4 and a lifting device 5.
The track system 1 includes a support beam 101, a first rail 102, and a first presser 103, and as shown in fig. 4, the first rail 102 is fixed to the support beam 101 by the first presser 103. In order to improve the running accuracy of the cart on the track system, the steel rail 102 is subjected to single-side cutting.
The cart 2 runs on a steel rail 102 of the rail system to finish the movement of the workpiece in the X direction; the cart 2 comprises an end beam 201, a main beam 202, a walking speed reducing motor 203, a second driving wheel device 204, a second driven wheel device 205, a second steel rail 206 and a second pressing plate 207. The two end beams 201 are located at the front and the rear sides, and the two main beams 202 are fixed on the two end beams 201 in parallel. The walking speed reducing motor 203, the second driving wheel device 204 and the second driven wheel device 205 are all installed on the end beam 201, the walking speed reducing motor 203 is directly connected with the second driving wheel device 204, and the second driving wheel device 204 is driven to drive the whole cart 2 to walk along the first steel rail 102 of the track system 1; a second rail 206 is mounted to main beam 202 by a second platen 207. The walking speed reducing motors adopt variable-frequency speed reducing motors, and the synchronization of the two walking speed reducing motors can be realized through a control system, so that the phenomenon of rail gnawing is avoided, and the positioning precision of workpieces is improved.
As shown in fig. 2 and 3, the traveling cart 3 includes a cart frame 301, a first driving wheel device 302, a first driven wheel device 303, a driving gear motor 304, and a universal joint 305. The frame 301 is made of a welded part. Two sets of first driving wheel devices 302 are arranged at the front end of the frame 301, two sets of first driven wheel devices 303 are arranged at the rear end of the frame 301, and the first driving wheel devices 302 and the first driven wheel devices 303 are both positioned on the second steel rail 206; the driving speed reduction motor 304 is in a double-output shaft form, is connected with the two sets of first driving wheel devices 302 through the universal coupling 305, and drives the two sets of first driving wheel devices 302 to drive the whole walking trolley 3 to walk along the second steel rail 206, so that the movement of the workpiece in the Y direction is realized.
As shown in fig. 5, the swivel cart 4 includes a swivel frame 401, a support roller set 402, a swivel bearing housing 403, and a power push rod 404. As shown in fig. 2, the rotating frame 401 is a frame shaped like a Chinese character ri, and four supporting roller sets 402 are mounted on the rotating frame 401 along the center of rotation; one end of a rotary bearing seat 403 is fixed on the frame 301 of the walking trolley 3, and the other end is fixed on the rotary frame 401; the tailstock of the electric push rod 404 is hinged with the frame 301 of the walking trolley 3, the output end of the electric push rod 404 is hinged with the rotating frame 401, and the rotating trolley 4 is driven to rotate on the walking trolley 3 through the extension or retraction of the push rod.
As shown in fig. 1, the lifting device 5 includes a spreader 501, a chain 502, a chain collection box 504, a power sprocket device 505, a passive steering sprocket device 506, and a sprocket speed reduction motor 508. Two power chain wheel devices 505, two passive steering chain wheel devices 506 and two chain collecting boxes 504 are arranged on the rotating frame 401; sprocket gear motor 508 is installed in the middle part of revolving frame 401, and sprocket gear motor 508 is two axle structures, all is connected with two power sprocket device 505 through shaft coupling 507. As shown in fig. 6, the chain 502 between the power sprocket unit 505 and the passive steering sprocket unit 506 is supported on a chain guide 509, and the material of the chain guide 509 is wear-resistant polymer plastic. The number of the chains 502 is four, 2 chains are placed in one chain box 504, wherein 1 chain passes through a power chain wheel device 505 and then is directly installed on the lifting appliance 501 through a fixed joint 503, and in addition, 1 chain 502 passes through the power chain wheel device 505 and a chain guide rail 509 in sequence and is connected with the lifting appliance 501 after passing through a driven steering chain wheel device 506. The chain adopts a double-row roller chain. Four chains 502 are respectively connected with four corners of the lifting appliance 501, so that the stability of the workpiece to be lifted is ensured.
As shown in fig. 1, chain anti-skip tooth devices 510 are mounted on both the power sprocket device 505 and the passive steering sprocket device 506, and a chain passes through a gap between a roller of the chain anti-skip tooth device 510 and sprockets of the power sprocket device 505 and the passive steering sprocket device 506, thereby preventing the chain from skipping out of the teeth of the sprockets. The chain protection cover 511 is installed on the lifting device, so that dust and sundries in a workshop are prevented from falling onto the chain, and normal use of the equipment is prevented from being influenced. The lifting device is provided with an automatic chain lubricating device 512 which automatically and regularly lubricates the chain to avoid frequent ascending operation, and the automatic chain lubricating device is fixed on a chain protective cover 511. Because no counterweight or closed chain structure is adopted, when the lifting appliance rises, the chain automatically falls into the chain collecting box, and when the lifting appliance falls, the chain leaves the chain collecting box 504 under the traction of the power chain wheel device. The chain collection box is provided with a slide 513, so that the chains can be orderly arranged in the chain collection box 504.
The spreader 501 is provided with 4 guide posts 514, and the rotating frame 401 of the rotating trolley is provided with 4 guide sleeves 515. When the spreader 501 is lowered for workpiece installation, the guide posts 514 disengage from the guide sleeves 515. When the lifting appliance 501 is lifted to a high position to transport a workpiece, the guide post 514 enters the guide sleeve 515 to prevent the workpiece from shaking in the transportation process, and the guide post 514 and the guide sleeve 515 are in clearance fit. As shown in fig. 7, a safety latch device is mounted on the guide sleeve 515, and the safety latch device is composed of a fixed seat 516, a latch 517, an electric push rod 518 and a sliding key 519. The fixing seat 516 is fixed on a connecting seat of the guide sleeve 515 through a bolt, the plug 517 is directly fixed on the electric push rod 518 through threaded connection, and the electric push rod 518 is directly installed on the fixing seat 516. There is the keyway on the bolt, installs sliding key 519 on the connecting seat, and sliding key 519 slides in the keyway, prevents that bolt 517 from rotating. A circular hole is processed on the guide post. When the spreader is raised to the high position, the electric push rod 518 is actuated to insert the safety pin 517 into the circular hole of the guide post. The safety bolt device plays a role in mechanical safety and falling prevention in the process of workpiece transportation.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the invention and is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims (8)

1. A program control trolley adopting chain lifting is characterized by comprising a track system (1), a cart (2), a walking trolley (3), a rotating trolley (4) and a lifting device (5);
the rail system (1) comprises a support beam (101), a first steel rail (102) and a first pressure plate (103); the first steel rail (102) is fixed on the support beam (101) through the first pressing plate (103);
the cart (2) comprises an end beam (201), a main beam (202), a walking speed reducing motor (203), a second driving wheel device (204), a second driven wheel device (205), a second steel rail (206) and a second pressing plate (207); the two end beams (201) are positioned at the front side and the rear side, and the two main beams (202) are fixed on the two end beams (201) in parallel; the walking speed reducing motor (203), the second driving wheel device (204) and the second driven wheel device (205) are all mounted on the end beam (201), the walking speed reducing motor (203) is directly connected with the second driving wheel device (204) to drive the whole cart (2) to walk along the first steel rail (102) of the track system (1); the second steel rail (206) is mounted on the main beam (202) through a second pressing plate (207);
the walking trolley (3) comprises a trolley frame (301), a first driving wheel device (302), a first driven wheel device (303), a driving speed reduction motor (304) and a universal coupling (305); two sets of first driving wheel devices (302) are mounted at the front end of the frame (301), two sets of first driven wheel devices (303) are mounted at the rear end of the frame (301), and the first driving wheel devices (302) and the first driven wheel devices (303) are both located on the second steel rail (206); the driving speed reducing motor (304) is in a double-output shaft form, is connected with the two sets of first driving wheel devices (302) through the universal coupling (305), and drives the two sets of first driving wheel devices (302) to drive the whole walking trolley (3) to walk along the second steel rail (206) so as to realize the movement of the workpiece in the Y direction;
the rotary trolley (4) comprises a rotary trolley frame (401), supporting roller groups (402), a rotary bearing seat (403) and an electric push rod (404), wherein the four supporting roller groups (402) are arranged on the rotary trolley frame (401) along the rotary center; one end of the rotary bearing seat (403) is fixed on the frame (301) of the walking trolley (3), and the other end of the rotary bearing seat is fixed on the rotary frame (401); the tailstock of the electric push rod (404) is hinged with the frame (301) of the walking trolley (3), the output end of the electric push rod (404) is hinged with the rotating frame (401), and the rotating trolley (4) is driven to rotate on the walking trolley (3) through the extension or retraction of the push rod;
the lifting device (5) comprises a lifting appliance (501), a chain (502), a chain collecting box (504), a power chain wheel device (505), a passive steering chain wheel device (506) and a chain wheel speed reducing motor (508);
the two power chain wheel devices (505), the two driven steering chain wheel devices (506) and the two chain collecting boxes (504) are all arranged on the rotating frame (401); the chain wheel speed reducing motor (508) is arranged in the middle of the rotating frame (401), and the chain wheel speed reducing motor (508) is of a double-output-shaft structure and is connected with two power chain wheel devices (505) through a coupler (507); the number of the chains (502) is four, the chains are respectively used for connecting four corners of the lifting appliance (501), and the other end of each chain (502) is fixed in the chain collection box (504).
2. The programmed trolley for lifting by chain as claimed in claim 1, characterized in that the power sprocket device (505) and the passive steering sprocket device (506) are both mounted with a chain anti-jumping teeth device (510), and the chain passes through the gap between the roller of the chain anti-jumping teeth device (510) and the sprocket of the power sprocket device (505) and the passive steering sprocket device (506), thereby preventing the chain from jumping out of the teeth of the sprocket.
3. The program-controlled trolley capable of ascending and descending by using the chain as claimed in claim 1, wherein the ascending and descending device (5) further comprises a chain protection cover (511) for preventing dust and sundries in a workshop from falling onto the chain and affecting the normal use of the equipment.
4. The programmed trolley for chain lifting according to claim 3, characterized in that the lifting device (5) further comprises a chain automatic lubrication device (512) mounted on the chain guard (511).
5. The program-controlled trolley capable of being lifted by a chain as claimed in claim 4, characterized in that a slide (513) is arranged in the chain collection box (504) to arrange the chains (502) in the chain collection box (504) in order.
6. The programmed trolley with chain lifting as claimed in claim 5, characterized in that a chain guide (509) is provided between the powered sprocket assembly (505) and the corresponding passive steering sprocket assembly (506), the chain guide (509) being fixed to the rotating frame (401) for supporting the chain (502).
7. The programmed trolley capable of ascending and descending by using a chain as claimed in claim 6, wherein the ascending and descending device (5) further comprises four guide sleeves (515) and four guide posts (514), the four guide sleeves (515) are all installed on the bottom surface of the rotating frame (401), the four guide posts (514) are installed on four corners of the lifting appliance (501), and when the lifting appliance is lifted to a high position for transporting a workpiece, the guide posts (514) enter the guide sleeves (515) to prevent the workpiece from shaking in the process of transporting the workpiece.
8. The program-controlled trolley capable of ascending and descending by using a chain as claimed in claim 7, wherein a safety bolt device is installed on the guide sleeve (515), the safety bolt device comprises a fixed seat (516), a bolt (517), an electric push rod (518) and a sliding key (519), and the fixed seat (516) is fixed on a connecting seat of the guide sleeve (515); the bolt (517) is fixed on the electric push rod (518), and the electric push rod (518) is installed on the fixed seat (516); a key groove is formed in the plug pin (517), and a sliding key (519) is installed on a connecting seat of the guide sleeve (515); circular holes are formed in the guide columns (514), when the lifting appliance (501) is lifted to a high position, the electric push rod (518) acts to insert the inserted pins (517) into the circular holes of the guide columns (514), and the inserted pins (517) are prevented from rotating through the sliding keys (519).
CN202210598837.5A 2022-05-30 Program-controlled trolley capable of ascending and descending by adopting chains Active CN114835024B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210598837.5A CN114835024B (en) 2022-05-30 Program-controlled trolley capable of ascending and descending by adopting chains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210598837.5A CN114835024B (en) 2022-05-30 Program-controlled trolley capable of ascending and descending by adopting chains

Publications (2)

Publication Number Publication Date
CN114835024A true CN114835024A (en) 2022-08-02
CN114835024B CN114835024B (en) 2024-07-09

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117142330A (en) * 2023-10-31 2023-12-01 上海新创达半导体设备技术有限公司 Crown block with locking function and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107572403A (en) * 2016-07-04 2018-01-12 林霞 A kind of dolly chain drive and the bridge-type cantilever crane with safety hook
CN107618987A (en) * 2016-07-14 2018-01-23 林霞 A kind of semi portal crane with C-shaped channel cantilever beam and dolly chain drive
CN107618983A (en) * 2016-07-14 2018-01-23 林霞 A kind of semi portal crane of dolly chain drive
WO2020224543A1 (en) * 2019-05-05 2020-11-12 中铁上海工程局集团有限公司 Straddle type track beam transporter and use method thereof
CN214141300U (en) * 2021-01-12 2021-09-07 河南省神州重型机械有限公司 Special double-beam bridge crane for metallurgy
CN216038231U (en) * 2021-11-09 2022-03-15 河南省矿山起重机有限公司 General gantry crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107572403A (en) * 2016-07-04 2018-01-12 林霞 A kind of dolly chain drive and the bridge-type cantilever crane with safety hook
CN107618987A (en) * 2016-07-14 2018-01-23 林霞 A kind of semi portal crane with C-shaped channel cantilever beam and dolly chain drive
CN107618983A (en) * 2016-07-14 2018-01-23 林霞 A kind of semi portal crane of dolly chain drive
WO2020224543A1 (en) * 2019-05-05 2020-11-12 中铁上海工程局集团有限公司 Straddle type track beam transporter and use method thereof
CN214141300U (en) * 2021-01-12 2021-09-07 河南省神州重型机械有限公司 Special double-beam bridge crane for metallurgy
CN216038231U (en) * 2021-11-09 2022-03-15 河南省矿山起重机有限公司 General gantry crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117142330A (en) * 2023-10-31 2023-12-01 上海新创达半导体设备技术有限公司 Crown block with locking function and control method thereof
CN117142330B (en) * 2023-10-31 2024-01-05 上海新创达半导体设备技术有限公司 Crown block with locking function and control method thereof

Similar Documents

Publication Publication Date Title
CN114835024B (en) Program-controlled trolley capable of ascending and descending by adopting chains
CN114835024A (en) Program-controlled trolley lifted by chain
CN109179196A (en) The scalable Omni-mobile hoisting and transport equipment of modified gear, planer-type and transportation resources
CN210419003U (en) Device for lifting stator of steam turbine generator
CN209024061U (en) Modified gear and the scalable Omni-mobile hoisting and transport equipment of planer-type
CN116788984A (en) Rail mounted container portal crane
CN215477579U (en) Lifting machine convenient to adjust
CN214366175U (en) Dust collector suitable for mine well drilling
CN212559333U (en) Single-column type high-speed stacker
CN211219572U (en) Circulating system for general truck loading
CN218261648U (en) Assembled movable slide rail of industrial hoisting robot
CN221275148U (en) Lifting platform for overhauling inside CFB boiler furnace
CN220596070U (en) Nuclear industry is with transporting device under water
CN211517154U (en) Power device in external grinding machine
CN211520749U (en) Ground monorail EMS transport trolley
CN219669654U (en) Split type coiling mechanism
CN212669075U (en) Side lower driving type hoister
CN217349667U (en) Heavy-duty rotary table and production line
CN216304106U (en) Fixing device for circular knitting machine
CN220996957U (en) Packaging transplanting machine
CN213949709U (en) Frame conveyer
CN213475302U (en) Large-scale work piece shifts transportation equipment
CN217625849U (en) Large-span aluminum alloy coiled material transfer equipment
CN219058340U (en) Truss hoisting device for maintenance of shuttle
CN210654960U (en) Lifting device and circulating system for general loading

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant