CN118164379A - Telescopic cantilever structure on upper part of double-layer sleeve beam - Google Patents

Telescopic cantilever structure on upper part of double-layer sleeve beam Download PDF

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Publication number
CN118164379A
CN118164379A CN202410600024.4A CN202410600024A CN118164379A CN 118164379 A CN118164379 A CN 118164379A CN 202410600024 A CN202410600024 A CN 202410600024A CN 118164379 A CN118164379 A CN 118164379A
Authority
CN
China
Prior art keywords
fixed arm
fixedly connected
arm
electric hoist
movable arm
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
CN202410600024.4A
Other languages
Chinese (zh)
Other versions
CN118164379B (en
Inventor
林丙建
崔战国
林欣然
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.)
Drake Henan Intelligent Equipment Co ltd
Original Assignee
Drake Henan Intelligent Equipment Co ltd
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Priority to CN202410600024.4A priority Critical patent/CN118164379B/en
Publication of CN118164379A publication Critical patent/CN118164379A/en
Application granted granted Critical
Publication of CN118164379B publication Critical patent/CN118164379B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • 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
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • B66C11/06—Underhung trolleys running on monorails
    • 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
    • B66C13/16—Applications of indicating, registering, or weighing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/706—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by other means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
    • 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
    • B66C9/14—Trolley or crane travel drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention discloses a telescopic cantilever structure at the upper part of a double-layer sleeved beam, which relates to the field of hoisting and transporting equipment and aims to solve the problems that the existing double-layer telescopic cantilever device occupies an equipment operation space in the using process, excessive driving equipment in the device and larger initial load of the device are caused, and the double-layer telescopic cantilever device comprises a stand column, wherein a fixed arm is fixedly connected onto the stand column, an electric hoist is arranged on one side of the stand column, a movable arm is fixedly connected onto the electric hoist, the movable arm is in sliding connection with the fixed arm, a driving mechanism is fixedly connected onto the movable arm, the driving mechanism is positioned on one side far away from the electric hoist, a leveling mechanism is arranged on the other side of the stand column, and the leveling mechanism is connected between the stand column and the fixed arm, and has the advantages that: the equipment operation space is big, and self counter weight is little, can carry out the limit and stretch out and draw back, satisfies market demand.

Description

Telescopic cantilever structure on upper part of double-layer sleeve beam
Technical Field
The invention relates to the technical field of hoisting and transporting equipment, in particular to a telescopic cantilever structure at the upper part of a double-layer sleeve beam.
Background
The cantilever crane is a new generation of light hoisting equipment manufactured for adapting to modern production, is matched with a loop chain electric hoist with high reliability, is particularly suitable for short distance, is frequently used and densely hoisted, and has the characteristics of high efficiency, energy conservation, trouble saving, small occupied area, easiness in operation and maintenance and the like.
The traditional telescopic boom crane is formed by superposing upper and lower beams together, when the crane is used in normal operation, the movable arm is folded at the lower part of the fixed arm, the outer space is not occupied, when special needs are met, the movable arm extends out of the lower part of the fixed arm through the movable arm driving mechanism, and the electric hoist operates on the extending movable arm through the electric hoist driving mechanism, so that the requirement of outwards expanding the coverage range of the lifting hook is realized. Although the coverage area of the lifting hook is increased to a certain extent, a group of movable arms are added below the fixed arms, the movable arms and the fixed arms are large in size, the limited space for equipment operation is occupied, driving mechanisms are used on the movable arms and the fixed arms, resources are wasted, the load of the fixed arms is increased, and therefore the manufacturing cost of the device is high, potential safety hazards exist in the lifting process, and the using function of the device is limited.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a telescopic cantilever structure at the upper part of a double-layer sleeved beam, and the problems that the existing double-layer telescopic cantilever device occupies a device operation space in the using process, and the driving devices in the device are too many and the initial load of the device is larger are effectively solved through the design.
In order to achieve the above purpose, the present invention provides the following technical solutions: the invention comprises a stand column, wherein a fixed arm is fixedly connected to the stand column, an electric hoist is arranged on one side of the stand column, a movable arm is fixedly connected to the electric hoist, the movable arm is in sliding connection with the fixed arm, a driving mechanism is fixedly connected to the movable arm, the driving mechanism is positioned on one side far away from the electric hoist, a leveling mechanism is arranged on the other side of the stand column, and the leveling mechanism is connected between the stand column and the fixed arm;
the electric hoist comprises a cable box, a hanging wire and a lifting hook, wherein a winding roller and an overload protector are arranged in the cable box, one end of the hanging wire is fixed on the winding roller, and the other end of the hanging wire is fixedly connected with the lifting hook;
The driving mechanism comprises a connecting plate, a transverse roller, a longitudinal roller and a linear driver, wherein the connecting plate is fixedly connected to a fixed arm far away from one end of the cable box, the transverse roller and the longitudinal roller are rotationally connected with the connecting plate, the inner side of the transverse roller is attached to the side surface of the fixed arm, and the longitudinal roller is positioned on the upper surface of the fixed arm;
the leveling mechanism comprises an adjustable pull rod, one end of the pull rod is hinged with the fixed arm, and the other end of the pull rod is hinged with the upright post.
Preferably, the fixed arm and the movable arm are further provided with an electrical control system, the fixed arm is rotatably connected with a correction probe, a plurality of probe sensors are arranged below the correction probe, and the plurality of probe sensors are fixedly connected to the fixed arm at equal angles.
Preferably, the stand is including last stand and lower stand, lower stand bottom fixedly connected with floor and fixing base, go up the stand with pass through fixing bolt connection between the stand down.
Preferably, the linear driver comprises a driving gear, the driving gear is rotationally connected with the connecting plate, a rack is meshed with the lower side of the driving gear, and the rack is fixedly connected with the fixing arm.
Preferably, the pull rod comprises a first supporting rod, a connecting sleeve and a second supporting rod, the first supporting rod is hinged with the fixed arm, the second supporting rod is hinged with the upright post, two ends of the connecting sleeve are respectively in threaded connection with the first supporting rod and the second supporting rod, and the rotation directions of thread grooves on the first supporting rod and the second supporting rod are opposite.
Preferably, the stand is sleeved with a base, the base is connected with a connecting block in a sliding manner, the connecting block is hinged to the second supporting rod, a telescopic rod is arranged between the upper side of the connecting block and the base, and a buffer assembly is arranged between the lower side of the connecting block and the base.
Preferably, the buffer assembly comprises a guide rod, the guide rod is fixedly connected with the base station, the guide rod is connected with the connecting block in a sliding manner, and a spring is sleeved on the guide rod at the lower side of the connecting block.
Preferably, a rotary table is installed between the upright post and the fixed arm, and the base table is rotationally connected with the upright post.
Preferably, the leveling mechanism further comprises a traction rope, one end of the traction rope is fixedly connected with the movable arm, the other end of the traction rope is fixedly connected with the balancing weight, a pulley is matched with the middle of the traction rope, the pulley is rotationally connected with a support, and the support is fixedly connected with one end of the fixed arm.
Compared with the prior art, the invention has the outstanding advantages that:
The movable arms are sleeved on the two sides of the fixed arm, a structure that two layers of beams of a traditional telescopic beam cantilever crane are overlapped up and down is abandoned, and the occupied space of the device in the vertical direction is reduced, so that a large space is reserved for up-and-down operation of equipment.
The electric hoist is arranged at the front side of the movable arm, the electric hoist and the movable arm are integrated, the overhanging movable arm directly drives the hoist to operate, a set of electric hoist driving mechanism is omitted, the whole dead weight of the equipment is lightened, and the operation reliability of the equipment is improved.
According to the invention, the driving mechanism of the movable arm is arranged on the upper part of the fixed arm, so that the problem of interference of the upright post which cannot be bypassed by the traditional telescopic beam cantilever crane is avoided, the movable arm passes through the upper part of the upright post without considering the interference problem with the upright post, the effective telescopic travel of the crane is increased to the greatest extent, and the limit telescopic function which cannot be realized by the traditional up-down Liang Diejia telescopic beam cantilever crane is realized.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of the forward structure of the left limit position of the movable arm in embodiment 1 of the present invention.
Fig. 3 is a schematic view of the forward structure of the right limit position of the movable arm in embodiment 1 of the present invention.
Fig. 4 is a schematic view of the internal connection structure of the connection board of the present invention.
Fig. 5 is a schematic view of the structure of the movable arm of the present invention.
Fig. 6 is a schematic diagram of the structure of the electric hoist of the present invention.
Fig. 7 is an enlarged schematic view of the structure of fig. 2a according to the present invention.
Fig. 8 is a schematic diagram of the pull rod structure of the present invention.
Fig. 9 is a schematic overall structure of embodiment 2 of the present invention.
Fig. 10 is a schematic overall structure of embodiment 3 of the present invention.
Fig. 11 is a schematic view of a connection structure of the connection block according to the present invention.
Reference numerals in the drawings: 1. a column; 101. an upper upright post; 102. a lower upright post; 103. rib plates; 104. a fixing seat; 105. a fixing bolt; 2. a fixed arm; 3. an electric hoist; 301. a cable box; 302. a hanging wire; 303. a lifting hook; 4. a movable arm; 5. a driving mechanism; 501. a connecting plate; 502. a transverse roller; 503. a longitudinal roller; 504. a linear driver; 5041. a drive gear; 5042. a rack; 6. leveling structure; 601. a pull rod; 6011. a first strut; 6012. connecting sleeves; 6013. a second strut; 602. a traction rope; 603. balancing weight; 604. a pulley; 605. a bracket; 7. correcting the probe; 8. a probe sensor; 9. a base station; 10. a connecting block; 11. a telescopic rod; 12. a guide rod; 13. a spring; 14. and a rotary table.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, in this embodiment, a telescopic cantilever structure at the upper part of a double-layer beam is provided: the electric hoist comprises a stand column 1, wherein a fixed arm 2 is fixedly connected to the stand column 1, an electric hoist 3 is arranged on one side of the stand column 1, a movable arm 4 is fixedly connected to the electric hoist 3, the movable arm 4 is in sliding connection with the fixed arm 2, a driving mechanism 5 is fixedly connected to the movable arm 4, the driving mechanism 5 is positioned on one side far away from the electric hoist 3, a leveling mechanism is arranged on the other side of the stand column 1, and the leveling mechanism is connected between the stand column 1 and the fixed arm 2;
The vertical column 1 is positioned below the fixed arm 2, the length of the fixed arm 2 on the left side of the vertical column 1 is five times that of the fixed arm 2 on the right side of the vertical column 1, the length of the movable arm 4 is twice that of the fixed arm 2, the movable arm 4 is sleeved on the front side and the rear side of the fixed arm 2, the driving mechanism 5 is positioned at the upper ends of the movable arm 4 and the fixed arm 2, the driving mechanism 5 drives the movable arm 4 to move left and right, the driving mechanism 5 is positioned above the right end of the movable arm 4, the electric hoist 3 is positioned below the left side of the movable arm 4, when the device works, the electric hoist 3 is used for lifting a heavy object, the movable arm 4 can be driven to move left and right through the driving mechanism 5, the electric hoist 3 and the lifted heavy object can be driven to move left and right, the movable arm 4 with half the length of the fixed arm 2 is adopted to replace a structure of a traditional telescopic boom crane cantilever, namely, the movable arm 4 is arranged at the two sides of the movable arm 4 and the movable arm 4 is positioned at the upper side of the fixed arm 4 and the lower side of the cantilever, and the space occupied by the device is reduced, and the space occupied by the device is greatly reduced; in addition, the electric hoist 3 and the movable arm 4 are integrated, and the overhanging movable arm 4 directly drives the hoist to run, so that a set of driving mechanism 5 of the electric hoist 3 is omitted, the integral dead weight of the equipment is lightened, and the running reliability of the equipment is improved; finally, the running track of the movable arm 4 is arranged on the upper portion of the fixed arm 2, so that the problem that the traditional telescopic boom crane cannot bypass the upright post 1 is interfered is avoided, the upper driving mechanism 5 of the movable arm 4 passes through the upper portion of the upright post 1 without considering the interference problem with the upright post 1, the effective telescopic travel of the crane is increased to the greatest extent, the limit telescopic function which cannot be realized by the traditional up-down Liang Diejia telescopic boom crane is realized, and the technical problem is solved.
The electric hoist 3 comprises cable box 301, hanging wire 302 and lifting hook 303, wherein be connected with driving motor on the cable box 301, driving motor coaxial coupling has receipts line roller and overload protection ware, bi-directional motor when driving motor, receive line roller is used for receiving and releasing of hanging wire 302, when lifting hook 303, twine hanging wire 302 through receipts line roller, behind the winding of hanging wire 302 through the palace, hanging wire 302 drives lifting hook 303 and lifts upward, when receiving line roller to driving motor's load is too big, overload protection ware can stop work just the hanging wire 302 stretches tight and the heavy object on the lifting hook 303 does not leave the ground before, thereby avoid the goods on the lifting hook 303 to overweight, lead to the device to be fallen down by the hanging object, further be connected with electromagnetic brake on receiving line roller for improving electric hoist 3's stability, when meetting sudden outage or other emergency, the probability that electromagnetic brake can be locked in the twined down fast under the gravity of hanging object, the security when improving the device and using.
The driving mechanism 5 comprises a connecting plate 501, a transverse roller 502, a longitudinal roller 503 and a linear driver 504, wherein the connecting plate 501 is fixedly connected to a fixed arm 2 far away from one end of the cable box 301, the transverse roller 502 and the longitudinal roller 503 are rotationally connected with the connecting plate 501, the inner side of the position of the transverse roller 502 is attached to the side surface of the fixed arm 2, and the longitudinal roller 503 is positioned on the upper surface of the fixed arm 2; the two groups of connecting plates 501 are fixed on the two sides of the fixed arm 2 through long bolts, the two groups of connecting plates 501 are positioned on the front side and the rear side of the fixed arm 2, each group of connecting plates 501 is provided with two transverse rollers 502 which are symmetrically distributed left and right and four longitudinal rollers 503 which are symmetrically distributed up and down, the fixed arm 2 is provided with a convex edge, the longitudinal rollers 503 are clamped on the upper side and the lower side of the edge of the fixed arm 2, the transverse rollers 502 are positioned on the side edge of the fixed arm 2, the transverse rollers 502 and the longitudinal rollers 503 replace the connecting plates 501 to be contacted with the fixed arm 2, so that sliding friction between the two is changed into rolling friction, the friction coefficient is reduced, the movable arm 4 is conveniently driven to slide left and right on the fixed part,
Further, because the upright 1 is located at a position of the fixed arm 2 on one side, and the device is added at the same time when in work, one end of the electric hoist 3 is required to hoist a heavy object, so that the left end of the upright 1 has larger traction force, in order to improve the stability of the device, the device is prevented from toppling due to single-side stress, the leveling mechanism is additionally arranged on the right side of the upright 1, the leveling mechanism permanently fixes the balance adjustment of the arm 2, and simultaneously provides a pulling force for the rear end of the fixed arm 2so as to offset part of the acting force on the left side, the pull rod 601 in the leveling mechanism is adjustable, the length of the pull rod 601 can be more required to be adjusted, the applicability of the pull rod 601 is increased, and the telescopic adjustment of the pull rod 601 can be in pneumatic, hydraulic or mechanical modes and the like.
In order to coordinate the work of actuating mechanism 5 and electric block 3, still be equipped with electric control system in the device, actuating mechanism 5 and electric block 3's motion is unified regulation and control by electric control system, electric control system still is used for receiving the feedback of probe inductor 8, connect through fixing bolt 105 between stand 1 and the fixed arm 2, when fixing bolt 105 does not screw up, fixed arm 2 can rotate the regulation relatively stand 1, the bottom of correction probe 7 is solid heavier material, correction probe 7 is similar to the principle of plummet, correction probe 7 is perpendicular to ground all the time under the action of gravity, probe inductor 8 is used for the response to correction probe 7, correction probe 7 is located the place ahead of that probe inductor 8, corresponding probe inductor 8 feeds back to electric control system, the pull rod 601 is pneumatic regulation, electric control system adjusts the length of pull rod 601 according to the result of feedback, thereby make pull rod 601 drive fixed arm 2 and remove to the horizontally state, guarantee the stable of follow-up work.
Further, in order to facilitate the assembly of the upright 1 and the fixing arm 2, the upright 1 is respectively provided with an upper upright 101 and a lower upright 102, the size of a fixing seat 104 at the bottom of the lower upright 102 is larger than the cross section of the lower upright 102, a fixing hole is formed in the fixing seat 104, the fixing seat 104 is fixed on a poured foundation through an expansion screw, a plurality of rib plates 103 are distributed around the lower upright 102 and the fixing seat 104 at equal angles, the connection between the lower upright 102 and the fixing seat 104 can be enhanced through the rib plates 103, the stability of fixing the lower upright 102 is improved, the lower upright 102 and the upper upright 101 are connected together through fixing bolts 105, the fixing bolts 105 are distributed at the peripheral positions of the lower upright 102 and the upper upright 101, the connection is disassembled through the lower upright 102 and the upper upright 101, the size of components in the device can be reduced, the operation is convenient during hoisting and installation, and meanwhile the movement after the disassembly is also realized.
The linear driver 504 is a structure that drives the connecting plate 501 to move only smoothly and linearly, the linear driver 504 includes a driving gear 5041 and a rack 5042, wherein the driving gear 5041 is connected with a driving motor, the driving motor is a bidirectional motor, the driving gear 5041 is driven to rotate forward or reversely by forward and reverse rotation of the motor, the rack 5042 is fixedly connected with the fixed arm 2, and on the premise that the rack 5042 is fixed, the rotation of the driving gear 5041 drives the connecting plate 501 to move transversely, and the moving speed is the same.
Further, with respect to the pull rod 601 which is pneumatically adjusted, the pull rod 601 can be selected to be mechanical, the mechanical structure can enable the pull rod 601 to be more stable after the length adjustment, the situation that the length of the pull rod 601 is randomly changed due to power disappearance or system disorder is avoided, the mechanical pull rod 601 is composed of a first support rod 6011, a second support rod 6013 and a connecting sleeve 6012, two ends of the connecting sleeve 6012 are respectively in threaded connection with the first support rod 6011 and the second support rod 6013, the first support rod 6011 and the second support rod 6013 can be driven to be relatively close to or far away from when the connecting sleeve 6012 is rotated, efficiency is higher when the length of the pull rod 601 is adjusted, meanwhile, the connecting sleeve 6012 is in threaded connection with the first pull rod 601 and the second pull rod 601, the connecting position of the connecting sleeve 6012 can bear larger traction force, and the pulling performance of the pull rod 601 to the fixed arm 2 is guaranteed.
Example 2
The structure is the same as that of the above embodiment, and as shown in fig. 9, the specific difference of this embodiment is that: the leveling mechanism further comprises a traction rope 602, one end of the traction rope 602 is fixedly connected with the movable arm 4, the other end of the traction rope 602 is fixedly connected with a balancing weight 603, a pulley 604 is matched with the middle of the traction rope, the pulley 604 is rotatably connected with a support 605, and the support 605 is fixedly connected with one end of the fixed arm 2.
One end of the traction rope 602 is fixed on the movable arm 4 close to one side of the electric hoist 3, the height of the pulley 604 on the bracket 605 is higher than that of the connecting plate 501, under the reversing action of the pulley 604, the gravity of the balancing weight 603 on the traction rope 602 has upward oblique tension on the movable arm 4 through the traction rope, so that the electric hoist 3 is more stable when lifting a heavy object, and the range of lifting the heavy object of the device is improved under the action of a larger slot of the fixed arm 2; further balancing weight 603 also can replace with the winder, and the winder can carry out synchronous adjustment according to the removal condition of digging arm 4, and the guarantee device is gone on steadily, avoids balancing weight 603 to remove the difficult problem simultaneously.
Example 3
As with the structure of the above-described embodiment, as shown in fig. 10 and 11, the present embodiment is specifically different in that: install revolving stage 14 between stand 1 with fixed arm 2, base 9 with stand 1 rotates to be connected, sliding connection has connecting block 10 on the base 9, connecting block 10 with second branch 6013 articulates, connecting block 10 upside with install telescopic link 11 between the base 9, connecting block 10 downside with be equipped with buffer unit between the base 9.
The upper part and the lower part of the rotary table 14 can rotate by 360 degrees, the upper side of the rotary table 14 is connected with the fixed arm 2, the lower side of the rotary table 14 is connected with the upright post 1, the lifting movement range of the device can be enlarged through the rotary table 14, the applicability of the device is enlarged, the rotary table 14 can realize that the upper part and the lower part only have rotational degrees of freedom, and the existing crane also has a rotatable structure, thus the rotary crane belongs to the prior art and is not excessively introduced.
Further, in order to improve the leveling effect of the pull rod 601 on the fixed arm 2, fixedly connected with hydraulic cylinder on the base 9, the output point of the hydraulic cylinder is connected with a telescopic rod 11, the bottom of the telescopic rod 11 is in contact with the connecting block 10, the connecting block 10 vertically slides on the base 9, the hydraulic cylinder is regulated and controlled by an electrical control system, when in an initial position, the connecting block 10 is located at the upper limit position of the base 9, the telescopic rod 11 is in a contracted state, when the lifting hook 303 is lifting a heavy object, if the fixed arm 2 deflects to one side of the lifting hook 303, the probe sensor 8 feeds back an electrical control system, the electrical control system controls the hydraulic cylinder to regulate and control the telescopic rod 11 according to a feedback structure, the telescopic rod 11 drives the connecting block 10 to move downwards, so that the connecting block 10 drives the pull rod 601 to pull the other end of the fixed arm 2 downwards, the traction force on the other side of the fixed arm 2 is increased, the device is ensured to work stably, meanwhile, a buffer assembly is additionally arranged below the connecting block 10, when the fixed arm 2 is used for lifting the pull rod 601, the impact force is avoided, the buffer assembly is used for unloading the pull rod 601, and the device is prevented from greatly shaking, and the safety and stability of the device are improved.
The buffer component consists of a spring 13 and a guide rod 12, wherein the guide rod 12 carries out fiber on the vertical movement of the connecting block 10, and the spring 13 always has upward elasticity on the connecting block 10.
When the electric hoist 3 is used, the upright 1 is fixed in a beaten foundation pit, the fixed arm 2 and the upright 1 are assembled through the fixed bolts 105, the movable arm 4, the driving mechanism 5 and the pull rod 601 are installed on the fixed arm 2, the fixed arm 2 is leveled through the correction probe 7 after the installation is completed, the device is fixed, the transverse position of the electric hoist 3 is adjusted through the driving mechanism 5, the electric hoist 3 is moved to the position right above a heavy object to be lifted, the electric hoist 3 drives the lifting hook 303 to be lowered, the heavy object is hung on the lifting hook 303 after the lifting hook 303 is moved to the position of the heavy object, the electric hoist 3 lifts the lifting hook 303 and the heavy object, the driving mechanism 5 is carried to drive the movable arm 4 and the electric hoist 3 to move the heavy object to the appointed position after the heavy object is lifted, and finally the lifting hook 303 is lowered, and the electric hoist 3 has a larger transverse translation space through the longer movable arm 4.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (9)

1. The utility model provides a scalable cantilever structure in double-deck cover roof beam upper portion which characterized in that: the electric hoist comprises a stand column (1), wherein a fixed arm (2) is fixedly connected to the stand column (1), an electric hoist (3) is arranged on one side of the stand column (1), a movable arm (4) is fixedly connected to the electric hoist (3), the movable arm (4) is in sliding connection with the fixed arm (2), a driving mechanism (5) is fixedly connected to the movable arm (4), the driving mechanism (5) is located on one side far away from the electric hoist (3), a leveling mechanism is arranged on the other side of the stand column (1), and the leveling mechanism is connected between the stand column (1) and the fixed arm (2);
the electric hoist (3) comprises a cable box (301), a lifting wire (302) and a lifting hook (303), wherein a winding roller and an overload protector are arranged in the cable box (301), one end of the lifting wire (302) is fixed on the winding roller, and the other end of the lifting wire (302) is fixedly connected with the lifting hook (303);
The driving mechanism (5) comprises a connecting plate (501), a transverse roller (502), a longitudinal roller (503) and a linear driver (504), wherein the connecting plate (501) is fixedly connected to a fixed arm (2) far away from one end of the cable box (301), the transverse roller (502) and the longitudinal roller (503) are rotationally connected with the connecting plate (501), the inner side of the position of the transverse roller (502) is attached to the side face of the fixed arm (2), and the longitudinal roller (503) is positioned on the upper surface of the fixed arm (2);
the leveling mechanism comprises an adjustable pull rod (601), one end of the pull rod (601) is hinged with the fixed arm (2), and the other end of the pull rod (601) is hinged with the upright post (1).
2. The telescopic boom structure of claim 1, wherein: the utility model discloses a correction probe, including fixed arm (2) and movable arm (4), still be equipped with electric control system on fixed arm (2) with the movable arm (4), rotate on fixed arm (2) and be connected with correction probe (7), correction probe (7) below is equipped with a plurality of probe inductors (8), a plurality of probe inductors (8) equiangular fixed connection are on fixed arm (2).
3. The telescopic boom structure of claim 1, wherein: the vertical column (1) comprises an upper vertical column (101) and a lower vertical column (102), a rib plate (103) and a fixing seat (104) are fixedly connected to the bottom of the lower vertical column (102), and the upper vertical column (101) and the lower vertical column (102) are connected through fixing bolts (105).
4. The telescopic boom structure of claim 1, wherein: the linear driver (504) comprises a driving gear (5041), the driving gear (5041) is rotationally connected with the connecting plate (501), a rack (5042) is meshed with the lower side of the driving gear (5041), and the rack (5042) is fixedly connected with the fixed arm (2).
5. The telescopic boom structure of claim 1, wherein: pull rod (601) is including first branch (6011), adapter sleeve (6012) and second branch (6013), first branch (6011) with fixed arm (2) are articulated, second branch (6013) with stand (1) are articulated, adapter sleeve (6012) both ends respectively with first branch (6011) with second branch (6013) threaded connection, first branch (6011) with the screw groove revolve to opposite on second branch (6013).
6. The telescopic boom structure of claim 5, wherein: the novel telescopic support is characterized in that a base table (9) is sleeved on the upright column (1), a connecting block (10) is connected to the base table (9) in a sliding mode, the connecting block (10) is hinged to the second supporting rod (6013), a telescopic rod (11) is installed between the upper side of the connecting block (10) and the base table (9), and a buffer assembly is arranged between the lower side of the connecting block (10) and the base table (9).
7. The telescopic boom structure of claim 6, wherein: the buffer assembly comprises a guide rod (12), the guide rod (12) is fixedly connected with the base station (9), the guide rod (12) is connected with the connecting block (10) in a sliding mode, and a spring (13) is sleeved on the guide rod (12) at the lower side of the connecting block (10).
8. A telescopic boom structure according to claim 1 or 7, characterized in that: a rotary table (14) is arranged between the upright post (1) and the fixed arm (2), and the base table (9) is rotationally connected with the upright post (1).
9. The telescopic boom structure of claim 1, wherein: the leveling mechanism further comprises a traction rope (602), one end of the traction rope (602) is fixedly connected with the movable arm (4), the other end of the traction rope (602) is fixedly connected with a balancing weight (603), a pulley (604) is matched with the middle of the traction rope, the pulley (604) is rotatably connected with a support (605), and the support (605) is fixedly connected with one end of the fixed arm (2).
CN202410600024.4A 2024-05-15 2024-05-15 Telescopic cantilever structure on upper part of double-layer sleeve beam Active CN118164379B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201068371Y (en) * 2007-06-12 2008-06-04 王生银 Self-hoisting tower crane
EP2088113A2 (en) * 2008-02-08 2009-08-12 Hans-Hebetechnik+Metallbau-GmbH Combined lifting device for people and loads
CN206384745U (en) * 2017-01-20 2017-08-08 徐州中地探矿机械科技有限公司 Crawler type trolley
CN213326424U (en) * 2020-07-28 2021-06-01 信华智能装备(江苏)有限公司 Column cantilever crane
CN218114860U (en) * 2022-07-19 2022-12-23 合肥恺文重工机械有限公司 Cantilever crane with variable cantilever length
CN218320434U (en) * 2022-10-18 2023-01-17 徐州徐工随车起重机有限公司 Cantilever crane for rail transit
US20230076909A1 (en) * 2020-02-14 2023-03-09 Construction Robotics, Llc Enhanced Lift Assist Device
CN118026007A (en) * 2024-03-26 2024-05-14 浙江中天恒筑钢构有限公司 Self-balancing system and method for track lifting equipment for steel structure trestle construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201068371Y (en) * 2007-06-12 2008-06-04 王生银 Self-hoisting tower crane
EP2088113A2 (en) * 2008-02-08 2009-08-12 Hans-Hebetechnik+Metallbau-GmbH Combined lifting device for people and loads
CN206384745U (en) * 2017-01-20 2017-08-08 徐州中地探矿机械科技有限公司 Crawler type trolley
US20230076909A1 (en) * 2020-02-14 2023-03-09 Construction Robotics, Llc Enhanced Lift Assist Device
CN213326424U (en) * 2020-07-28 2021-06-01 信华智能装备(江苏)有限公司 Column cantilever crane
CN218114860U (en) * 2022-07-19 2022-12-23 合肥恺文重工机械有限公司 Cantilever crane with variable cantilever length
CN218320434U (en) * 2022-10-18 2023-01-17 徐州徐工随车起重机有限公司 Cantilever crane for rail transit
CN118026007A (en) * 2024-03-26 2024-05-14 浙江中天恒筑钢构有限公司 Self-balancing system and method for track lifting equipment for steel structure trestle construction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
阎丽娟 等: ""工程起重机市场的骄子――QAY130型全地面起重机"", 《工程机械》, no. 04, 10 April 2005 (2005-04-10), pages 16 - 18 *

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