CN113772600B - Attached movable working platform for installing and removing arm joints in air of crawler crane - Google Patents
Attached movable working platform for installing and removing arm joints in air of crawler crane Download PDFInfo
- Publication number
- CN113772600B CN113772600B CN202111081065.XA CN202111081065A CN113772600B CN 113772600 B CN113772600 B CN 113772600B CN 202111081065 A CN202111081065 A CN 202111081065A CN 113772600 B CN113772600 B CN 113772600B
- Authority
- CN
- China
- Prior art keywords
- platform
- underframe
- attaching
- support leg
- supporting
- 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.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 67
- 230000002457 bidirectional effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an attached movable operation platform for installing and dismantling arm joints in the air of a crawler crane, which comprises a front-back moving device, a vertical lifting device, an operation platform bottom plate and an operation platform chassis transverse platform, wherein the operation platform bottom plate is arranged on the operation platform chassis transverse platform through the vertical lifting device, and the front-back moving device is connected with the operation platform bottom plate and is arranged on one side of the operation platform; the front-back moving device is used for being connected with the boom chord tube to drive the whole operation platform to move back and forth along the boom chord tube, and the vertical lifting device drives the operation platform bottom plate to lift, move and adjust on the operation platform chassis transverse platform. The invention improves the high-altitude operation efficiency and ensures that the overhead dismantling and installing arm sections of the crawler crane are safe and efficient.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an attached movable working platform for installing and detaching arm segments in the air of a crawler crane.
Background
The crawler crane is installed and dismantled on a firm and flat wide enough field, but under specific environments such as mountain wind power construction, the installation and dismantling conditions of the crawler crane are bad, and in some cases, the installation and dismantling operation of the boom arm section has to be carried out in a suspended manner, so that operators can only stand on the boom arm, the danger is high, and the operation efficiency is low. A safe and efficient operation platform is urgently needed in similar sites.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the attached movable working platform for installing and detaching the arm sections in the air of the crawler crane, which improves the working efficiency in the high-altitude and ensures that the operation of installing and detaching the arm sections in the air of the crawler crane is safe and efficient.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an attached mobile operation platform for installing and dismantling arm joints in the air of a crawler crane comprises a front-back moving device, a vertical lifting device, an operation platform bottom plate and an operation platform chassis transverse platform, wherein the operation platform bottom plate is arranged on the operation platform chassis transverse platform through the vertical lifting device, and the front-back moving device is connected with the operation platform bottom plate and is arranged on one side of the operation platform; the front-back moving device is used for being connected with the boom chord tube to drive the whole operation platform to move back and forth along the boom chord tube, and the vertical lifting device drives the operation platform bottom plate to lift, move and adjust on the operation platform chassis transverse platform.
According to the technical scheme, the front-back moving device comprises the attaching mechanism, the locking mechanism and the supporting frame, wherein the attaching mechanism is arranged on the supporting underframe of the supporting frame and comprises a plurality of attaching support legs, the plurality of attaching support legs are distributed in pairs, a traction mechanism is connected between two attaching support legs in each pair of attaching support legs, and the locking mechanism is arranged at the upper end of each attaching support leg.
According to the technical scheme, the traction mechanism can drive the attaching support leg to move.
According to the technical scheme, a joint oil cylinder is connected between each attaching support leg and the support underframe of the support frame, and the traction mechanism is a traction oil cylinder.
According to the technical scheme, the attaching support leg comprises a support leg inner layer, a support leg outer layer and an avoidance oil cylinder, wherein the support leg inner layer is sleeved on the support leg outer layer inner ring in a sliding manner, the lower end of the support leg outer layer is hinged with a support underframe of the support frame, the locking mechanism is arranged on the support leg inner layer, two ends of the avoidance oil cylinder are respectively connected with the support leg inner layer and the support leg outer layer, and the avoidance oil cylinder drives the support leg inner layer to move in a telescopic manner along the support leg outer layer.
According to the technical scheme, two ends of the avoidance oil cylinder are hinged with the wall of the inner layer of the supporting leg and the wall of the outer layer of the supporting leg respectively.
According to the technical scheme, the locking mechanism comprises an attaching claw, a limiting cylinder, a holding spring, an adjusting nut, a locking nut, an adjusting screw rod, a plunger and a plunger cylinder, wherein the plunger cylinder is fixedly arranged on the inner layer of the supporting leg; the attachment claw is attached to the boom pipe.
According to the technical scheme, the locking mechanism can firmly lock the attaching claw on the boom chord; the alternating tightness of the supporting leg attaching claws and the expansion and contraction of the traction mechanism oil cylinder are coordinated, so that the forward and backward movement of the supporting underframe of the operation platform is realized, the whole operation platform is driven to move forwards and backwards, and the self-advancing is realized; when the supporting leg attaching claw is loose and tight, the 'joint' oil cylinder corresponding to the supporting leg is correspondingly in a floating and locking state.
According to the technical scheme, the locking device realizes normally closed locking by using the spring, so that the locking device is safer; when the platform needs to move, the plunger cylinders arranged in the supporting legs are used for compressing and tightly holding the springs, the attachment claws of the corresponding supporting legs are loosened, the corresponding joint cylinders float, the traction cylinders are driven to stretch or retract, the coordinated actions are controlled by the PLC, and the on-off of the related electromagnetic reversing valves are controlled according to a pre-written program to control the corresponding cylinders to stretch.
According to the technical scheme, the support frame comprises a support underframe and an operation platform underframe, the support underframe is connected with the operation platform underframe through an inclined rotary pin shaft, the attachment mechanism is connected with the support underframe, and the operation platform underframe is connected with the operation platform underframe transverse platform.
According to the technical scheme, an inclined leveling device is arranged between the supporting underframe and the working platform underframe and is respectively connected with the supporting underframe and the working platform underframe; the device is used for adjusting the relative angle between the supporting underframe and the working platform underframe to enable the transverse platform of the working platform underframe to be approximately horizontal.
According to the technical scheme, the attached movable working platform for installing and detaching the arm joint in the air of the crawler crane further comprises a hydraulic driving system, wherein the hydraulic driving system is respectively connected with the front-back moving device, the inclined leveling device and the vertical lifting device, and the inclined leveling device is an inclined adjusting oil cylinder; the hydraulic drive system provides hydraulic drive force to the three devices.
According to the technical scheme, the number of pairs of the attaching claws is two; the two pairs of attachment claws are arranged side by side.
According to the technical scheme, one of each pair of attaching claws is a front claw, and the other attaching claw is a rear claw; the front claw is kept in a locking state, the rear claw is released, then the traction oil cylinder is operated to perform shortening operation, and the rear claw moves in the direction of the front claw; the front claw is loosened, the rear claw is kept in a locking state, then the traction mechanism oil cylinder is operated to extend, the front claw takes a step and moves towards the club head direction, and the platform moves forward; the same holds true for platform fallback. This is the mechanism by which the platform can travel itself.
According to the technical scheme, the working platform bottom plate is provided with the working platform railing, the vertical lifting device is a scissor type lifting mechanism, and the upper end and the lower end of the scissor type lifting mechanism are respectively connected with the working platform bottom plate and the working platform underframe transverse platform; the scissor type lifting mechanism comprises a lifting adjusting oil cylinder, and the oil cylinder is provided with a bidirectional hydraulic lock.
According to the technical scheme, the attached mobile working platform for installing and dismantling the arm joint in the air of the crawler crane further comprises a control system, wherein the control system is respectively connected with a plunger cylinder, an avoidance cylinder, a traction cylinder, a joint cylinder, an inclination adjusting cylinder of the inclination leveling device and a scissor type lifting mechanism of the vertical lifting device through electromagnetic valves.
When the joint of the abdominal tube collection is met on the chord member or the joint is close to the joint, the joint is blocked by the joint, the arm connecting pin shaft and the transverse lacing wire, the attaching claw cannot move when meeting the joint, at the moment, the telescopic movement of the traction oil cylinder of the traction mechanism is blocked, the pressure rises to a set value, the avoiding mechanism of the support leg is triggered, the avoiding oil cylinder is shortened, the attaching claw in the inner layer of the support leg is retracted towards the direction far from the chord member, the barrier is avoided, the telescopic movement of the traction oil cylinder of the traction mechanism is continuously completed, and after the telescopic movement of the oil cylinder of the traction mechanism is completed, the retracted attaching claw extends towards the chord member and is locked; this completes the action of avoiding the obstacle. If the attaching claw is prevented from extending towards the chord member, the attaching claw is a point unsuitable for attaching the attaching claw, the attaching claw is retracted again towards the direction away from the chord member, the telescopic stroke of the oil cylinder of the traction mechanism is adjusted under the adjustment of the PLC, and the retracted attaching claw is successfully extended towards the chord member and locked.
In order to avoid damaging the paint on the outer surface of the chord member, the inner arc side of the attaching claw is wrapped or a countersunk screw is used for installing a rubber arc plate.
The tilt leveling device utilizes a manual reversing valve to control a tilt adjusting oil cylinder (the oil cylinder is provided with a bidirectional hydraulic lock), so that the transverse platform of the underframe of the working platform is always in an approximately horizontal state.
The vertical lifting device utilizes a button to control an electromagnetic reversing valve to operate an oil cylinder (the oil cylinder is provided with a bidirectional hydraulic lock) and drives a scissor mechanism to lift the working platform.
The invention has the following beneficial effects:
1. the invention utilizes the operation platform arranged on the side surface of the truss boom, the operation platform can move back and forth along the boom chord member, has high-altitude self-running performance, can lift up and down, can send operators to a space position convenient for dismounting and mounting, ensures that the operators can be in a position convenient for exerting force when assembling upper and lower pin shafts, improves the operation efficiency, and ensures that the overhead dismounting and mounting of the boom section of the crawler crane is safe and efficient.
2. The operating platform with the railing is attached to the boom chord, so that safe operating conditions are provided for operators, and the operating efficiency of installation and removal is improved; the operation platform can conveniently adjust the angle, so that the platform on which the operator stands is always horizontal; the support legs and the attaching claws of the operation platform have the function of automatically avoiding obstacle nodes, so that the adaptability is stronger; the operation platform can be locked rapidly, and the locking device realizes normally closed locking by using a spring, so that the locking device is safer.
Drawings
FIG. 1 is a schematic view of an attached mobile work platform for installing and removing arm segments in the air of a crawler crane in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front-back moving device according to an embodiment of the present invention;
in the figure, the device comprises a 1-attaching claw, a 2-avoiding oil cylinder, a 3-limiting cylinder, a 4-holding spring, a 5-flat pad, a 6-adjusting nut, a 7-locking nut, an 8-adjusting screw rod, a 9-plunger, a 10-plunger oil cylinder, an 11-supporting leg inner layer, a 12-supporting leg outer layer, a 13-traction oil cylinder, a 14-joint oil cylinder, a 15-locking pad, a 16-inclined rotary pin shaft, a 17-supporting underframe, a 18-working platform underframe, a 19-suspension arm section, a 20-suspension arm chord tube, a 21-inclined adjusting oil cylinder, a 22-working platform underframe transverse platform, a 23-scissor type lifting mechanism, a 24-working platform railing and a 25-working platform bottom plate.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 2, an attached mobile working platform for installing and removing arm joints in the air of a crawler crane in one embodiment provided by the invention comprises a front-back moving device, a vertical lifting device, a working platform bottom plate 25 and a working platform underframe transverse platform 22, wherein the working platform bottom plate 25 is arranged on the working platform underframe transverse platform 22 through the vertical lifting device, and the front-back moving device is connected with the working platform bottom plate 25 and is arranged on one side of the working platform; the back-and-forth moving device is used for being connected with the boom chord tube 20 to drive the whole working platform to move back and forth along the boom chord tube 20, and the vertical lifting device drives the working platform bottom plate 25 to lift and move on the working platform chassis transverse platform 22 for adjustment.
Further, the back-and-forth moving device comprises an attaching mechanism, a locking mechanism and a supporting frame, wherein the attaching mechanism is arranged on a supporting underframe 17 of the supporting frame and comprises a plurality of attaching legs which are distributed in pairs, a traction mechanism is connected between two attaching legs in each pair of attaching legs, and the upper end of each attaching leg is provided with the locking mechanism.
Further, the traction mechanism may drive the movement of the attachment leg.
Further, a joint oil cylinder 14 is connected between each attaching leg and a supporting underframe 17 of the supporting frame, and the traction mechanism is a traction oil cylinder 13.
Further, the attaching support leg comprises a support leg inner layer 11, a support leg outer layer 12 and an avoidance oil cylinder 2, wherein the support leg inner layer 11 is sleeved on the inner ring of the support leg outer layer 12 in a sliding manner, the lower end of the support leg outer layer 12 is hinged with a support underframe 17 of the support frame, the locking mechanism is arranged on the support leg inner layer 11, two ends of the avoidance oil cylinder 2 are respectively connected with the support leg inner layer 11 and the support leg outer layer 12, and the avoidance oil cylinder 2 drives the support leg inner layer 11 to move in a telescopic manner along the support leg outer layer 12.
Further, two ends of the avoidance cylinder 2 are hinged with the cylinder wall of the inner supporting leg layer 11 and the cylinder wall of the outer supporting leg layer 12 respectively.
Further, the locking mechanism comprises an attaching claw 1, a limiting cylinder 3, a holding spring 4, an adjusting nut, a locking nut 7, an adjusting screw rod 8, a plunger 9 and a plunger cylinder 10, wherein the plunger cylinder 10 is fixedly arranged on an inner layer 11 of a supporting leg, one end of the plunger 9 is sleeved in the plunger cylinder 10, the other end of the plunger 9 is connected with one end of the adjusting screw rod 8, the other end of the adjusting screw rod 8 extends out of the inner layer 11 of the supporting leg and is connected with the attaching claw 1, the locking nut 7 and the adjusting nut are sequentially sleeved on the adjusting screw rod, the limiting cylinder 3 is sleeved between the adjusting screw rod 8 and the inner layer 11 of the supporting leg, the holding spring 4 is sleeved on the adjusting screw rod 8, the upper end and the lower end of the holding spring 4 are respectively connected with the limiting cylinder 3 and the adjusting nut 6, and the holding spring 4 is connected with the adjusting nut 6 through a flat pad 5; the attachment claw 1 is attached to the boom chord 20.
Further, the attaching claw 1 comprises two arc-shaped claw fingers which are symmetrically arranged on the adjusting screw rod and hinged with one end of the adjusting screw rod, one end of the holding spring is respectively connected with the two arc-shaped claw fingers, the plunger cylinder 10 stretches or retracts to tighten or compress the holding spring, the holding spring tightens to enable the two arc-shaped claw fingers to fold and firmly lock on the boom chord, the holding spring compresses to enable the two arc-shaped claw fingers to expand, and the attaching claw loosens the boom chord.
Further, the locking mechanism can firmly lock the attaching claw 1 on the boom chord; the alternating tightness of the supporting leg attaching claw 1 and the expansion and contraction of the traction mechanism oil cylinder are coordinated, so that the forward and backward movement of the supporting underframe 17 of the operation platform is realized, the whole operation platform is driven to move forwards and backwards, and the self-advancing is realized; when the leg attaching claw 1 is loosened, the "joint" cylinder 14 corresponding to the leg is in a floating and locking state.
Furthermore, the locking device realizes normally closed locking by using a spring, so that the locking device is safer; when the platform needs to move, the plunger cylinder 10 arranged in the supporting leg is utilized to compress the holding spring 4, the attachment claw 1 of the corresponding supporting leg is loosened, the corresponding joint cylinder 14 floats, the traction cylinder 13 is driven to stretch or retract, the coordinated actions are controlled by the PLC, and the on-off of the related electromagnetic reversing valve is controlled according to a pre-written program to control the corresponding cylinder to stretch.
Further, the support frame comprises a support underframe 17 and a working platform underframe 18, the support underframe 17 is connected with the working platform underframe 18 through an inclined rotary pin shaft 16, a locking pad 15 is arranged between the inclined rotary pin shaft 16 and the support underframe 17, the attachment mechanism is connected with the support underframe 17, and the working platform underframe 18 is connected with a working platform underframe transverse platform 22.
Further, an inclined leveling device is arranged between the supporting underframe 17 and the working platform underframe 18, and the inclined leveling device is respectively connected with the supporting underframe 17 and the working platform underframe 18; for adjusting the relative angle between the support chassis 17 and the work platform chassis 18 such that the work platform chassis cross platform 22 is approximately horizontal.
Further, the attached movable working platform for installing and detaching the arm joint in the air of the crawler crane further comprises a hydraulic driving system, wherein the hydraulic driving system is respectively connected with a front-back moving device, an inclined leveling device and a vertical lifting device, and the inclined leveling device is an inclined adjusting oil cylinder 21; the hydraulic drive system provides hydraulic drive force to the three devices.
Further, the number of pairs of the attaching claws 1 is two; the two pairs of attaching claws 1 are arranged side by side.
Further, one of the attaching claws 1 of each pair is a front claw and the other attaching claw is a rear claw; the front claw is kept in a locking state, the rear claw is released, then the traction oil cylinder 13 is operated to perform shortening operation, and the rear claw moves in the previous claw direction; the front claw is loosened, the rear claw is kept in a locking state, then the traction mechanism oil cylinder is operated to extend, the front claw takes a step and moves towards the club head direction, and the platform moves forward; the same holds true for platform fallback. This is the mechanism by which the platform can travel itself.
Further, a working platform railing 24 is arranged on the working platform bottom plate 25, the vertical lifting device is a scissor type lifting mechanism 23, and the upper end and the lower end of the scissor type lifting mechanism 23 are respectively connected with the working platform bottom plate 25 and the working platform underframe transverse platform 22; the scissor type lifting mechanism 23 is internally provided with a lifting adjusting oil cylinder with a bidirectional hydraulic lock.
Further, the attached movable working platform for installing and detaching the arm joint in the air of the crawler crane further comprises a control system, wherein the control system is respectively connected with the plunger cylinder 10, the avoiding cylinder 2, the traction cylinder and joint cylinder 14 of the front-back moving device, the inclination adjusting cylinder 21 of the inclination leveling device and the scissor type lifting mechanism 23 of the vertical lifting device through electromagnetic valves.
The control system comprises a PLC controller.
When meeting the joint of the chord member with the abdominal tube gathering or being close to the joint of the catcher, the joint pin shaft of the suspension arm and the obstruction of the transverse lacing wire, the attaching claw 1 can not move when meeting the joint, at the moment, the stretching movement of the traction oil cylinder 13 of the traction mechanism is blocked, the pressure rises to a set value, the avoidance mechanism of the supporting leg is triggered, the avoiding oil cylinder 2 is shortened, the inner layer 11 of the supporting leg with the attaching claw 1 is retracted in the direction away from the chord member 20, the obstacle is avoided, the telescopic movement of the traction oil cylinder 13 of the traction mechanism is continuously completed, and after the telescopic movement of the traction mechanism oil cylinder is completed, the retracted attaching claw 1 is extended in the direction of the chord member 20 and then locked; this completes the action of avoiding the obstacle. If the attaching claw is prevented from extending towards the chord member, the attaching claw is a point unsuitable for attaching the attaching claw, the attaching claw is retracted again towards the direction away from the chord member, the telescopic stroke of the oil cylinder of the traction mechanism is adjusted under the adjustment of the PLC, and the retracted attaching claw is successfully extended towards the chord member and locked.
In order to avoid damaging the paint on the outer surface of the chord member, the inner arc side of the attaching claw is wrapped or a countersunk screw is used for installing a rubber arc plate.
The tilt leveling device controls a tilt adjusting oil cylinder 21 (the oil cylinder is provided with a bidirectional hydraulic lock) by using a manual reversing valve, so that a transverse platform 22 of an underframe of the working platform is always in an approximately horizontal state.
The vertical lifting device uses a button to control an electromagnetic reversing valve to operate an oil cylinder (the oil cylinder is provided with a bidirectional hydraulic lock) and drives a scissor mechanism 25 to lift the working platform.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the claims and their equivalents.
Claims (8)
1. The attached mobile operation platform is characterized by comprising a front-back moving device, a vertical lifting device, an operation platform bottom plate and an operation platform chassis transverse platform, wherein the operation platform bottom plate is arranged on the operation platform chassis transverse platform through the vertical lifting device, and the front-back moving device is connected with the operation platform chassis transverse platform and is arranged on one side of the operation platform chassis transverse platform; the back-and-forth moving device is used for being connected with the boom chord tube and driving the whole operation platform to move back and forth along the boom chord tube;
the front-back moving device comprises an attaching mechanism, a locking mechanism and a supporting frame, wherein the attaching mechanism is arranged on the supporting frame and comprises a plurality of attaching supporting legs, the attaching supporting legs are distributed in pairs, a traction mechanism is connected between two attaching supporting legs in each pair of attaching supporting legs, and the upper end of each attaching supporting leg is provided with the locking mechanism;
the locking mechanism comprises an attaching claw, a limiting cylinder, a holding spring, an adjusting nut, a locking nut, an adjusting screw rod, a plunger and a plunger cylinder, wherein the plunger cylinder is fixedly arranged on the inner layer of the supporting leg, one end of the plunger is sleeved in the plunger cylinder, the other end of the plunger is connected with one end of the adjusting screw rod, the other end of the adjusting screw rod extends out of the inner layer of the supporting leg and is connected with the attaching claw, the locking nut and the adjusting nut are sequentially sleeved on the adjusting screw rod, the limiting cylinder is sleeved between the adjusting screw rod and the inner layer of the supporting leg, the holding spring is sleeved on the adjusting screw rod, and the upper end and the lower end of the holding spring are respectively connected with the limiting cylinder and the adjusting nut.
2. The attached mobile work platform for installing and removing arm joints in air of a crawler crane according to claim 1, wherein a joint oil cylinder is connected between each attached support leg and the support frame, and the traction mechanism is a traction oil cylinder.
3. The attached mobile operation platform for installing and detaching the arm joint in the air of the crawler crane according to claim 1, wherein the attached support leg comprises a support leg inner layer, a support leg outer layer and an avoidance oil cylinder, the support leg inner layer is sleeved on the support leg outer layer inner ring in a sliding mode, the lower end of the support leg outer layer is hinged to the support frame, the locking mechanism is arranged on the support leg inner layer, two ends of the avoidance oil cylinder are respectively connected with the support leg inner layer and the support leg outer layer, and the avoidance oil cylinder drives the support leg inner layer to move in a telescopic mode along the support leg outer layer.
4. The mobile work platform attached to the crawler crane for installing and removing the arm sections in the air according to claim 1, wherein the supporting frame comprises a supporting underframe and a work platform underframe, the supporting underframe is connected with the work platform underframe through an inclined rotary pin shaft, the attaching mechanism is connected with the supporting underframe, and the work platform underframe is connected with the work platform underframe transverse platform.
5. The attached mobile work platform for installing and removing arm segments in air of a crawler crane according to claim 4, wherein an inclined leveling device is arranged between the supporting underframe and the work platform underframe, and the inclined leveling device is respectively connected with the supporting underframe and the work platform underframe.
6. The attached mobile working platform for installing and removing arm joints in air of a crawler crane according to claim 5, further comprising a hydraulic driving system, wherein the hydraulic driving system is respectively connected with the front-back moving device, the tilt leveling device and the vertical lifting device, and the tilt leveling device is a tilt adjustment cylinder.
7. The mobile work platform of claim 1, wherein the pairs of attachment jaws are two pairs, the two pairs being arranged side by side.
8. The attached mobile working platform for installing and removing arm joints in air of a crawler crane according to claim 1, wherein the working platform bottom plate is provided with a working platform railing, the vertical lifting device is a scissor type lifting mechanism, and the upper end and the lower end of the scissor type lifting mechanism are respectively connected with the working platform bottom plate and the working platform underframe transverse platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081065.XA CN113772600B (en) | 2021-09-15 | 2021-09-15 | Attached movable working platform for installing and removing arm joints in air of crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081065.XA CN113772600B (en) | 2021-09-15 | 2021-09-15 | Attached movable working platform for installing and removing arm joints in air of crawler crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113772600A CN113772600A (en) | 2021-12-10 |
| CN113772600B true CN113772600B (en) | 2023-05-16 |
Family
ID=78844122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111081065.XA Active CN113772600B (en) | 2021-09-15 | 2021-09-15 | Attached movable working platform for installing and removing arm joints in air of crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113772600B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557817B2 (en) * | 2000-01-18 | 2003-05-06 | Wilian Holding Company | Wall climbing form hoist |
| CN201154704Y (en) * | 2008-01-24 | 2008-11-26 | 襄樊金鹰轨道车辆有限责任公司 | Leveling system of railway electrification work vehicle |
| CN205398042U (en) * | 2016-02-27 | 2016-07-27 | 内蒙古民族大学 | Pole climbing robot |
| CN106112993B (en) * | 2016-08-22 | 2018-02-06 | 常州信息职业技术学院 | A kind of alternative expression climbing level robot |
| CN107915158A (en) * | 2017-12-08 | 2018-04-17 | 中建三局集团有限公司 | A kind of inner climbing type tower crane is from climbing adhering supporter and its construction method |
| CN112265946A (en) * | 2020-11-04 | 2021-01-26 | 国网河北省电力有限公司邢台市任泽区供电分公司 | A pole climbing device for field power maintenance |
-
2021
- 2021-09-15 CN CN202111081065.XA patent/CN113772600B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113772600A (en) | 2021-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107842311B (en) | Multifunctional tunnel rock drilling and arch erecting integrated machine | |
| CN103061692B (en) | Automatic running and pulling system of oilfield workover string | |
| CN114575898B (en) | An arch-anchor integrated operation trolley and construction method thereof | |
| CN102628285A (en) | Shovel with Wrist Action Bucket | |
| CN114776332A (en) | An Existing Tunnel Disease Remediation and Maintenance Train Set | |
| CN108729930B (en) | CG-3 tunnel founds hunch platform truck | |
| CN110510493A (en) | A kind of square pile vacuum chuck bridge crane | |
| CN109607395A (en) | A kind of mechanical arm | |
| CN107465147B (en) | Multi-stage telescopic ground wire gun support arrangement | |
| CN113772600B (en) | Attached movable working platform for installing and removing arm joints in air of crawler crane | |
| CN217028920U (en) | Onboard support platform system for development machine | |
| CN105178894A (en) | Auxiliary drill-rod mounting/demounting device | |
| CN114000893A (en) | Mechanical arm and assembly trolley for grabbing large-tonnage prefabricated structural blocks on ground | |
| CN119551423A (en) | An intelligent auxiliary operation platform for disassembly and assembly of rollers for belt conveyors | |
| KR20110113828A (en) | Lifting device for ceiling work | |
| CN118208272A (en) | A high-mobility multi-degree-of-freedom working arm | |
| CN210948735U (en) | A temporary support and bolting rig | |
| JP2008050907A (en) | Bridge girder construction method and bridge girder construction device used for it | |
| CN113173538A (en) | Special equipment for mine tunnel construction | |
| CN110005448A (en) | A W-steel belt lifting system for underground bolt-digging integrated machine | |
| CN212317995U (en) | Roadway repairing, anchoring and protecting all-in-one machine | |
| CN116588785B (en) | Mine automation auxiliary shaft tail rope overhauling platform | |
| CN222066795U (en) | Informationized multi-truss arch frame installation trolley | |
| CN218407472U (en) | Arm support structure for mounting H-shaped steel | |
| CN112727140A (en) | Clear storehouse equipment of cement storehouse |
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 | ||
| GR01 | Patent grant |