CN211393663U - Multi-lifting-point crawler crane anti-deflection angle structure - Google Patents
Multi-lifting-point crawler crane anti-deflection angle structure Download PDFInfo
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- CN211393663U CN211393663U CN201922014971.2U CN201922014971U CN211393663U CN 211393663 U CN211393663 U CN 211393663U CN 201922014971 U CN201922014971 U CN 201922014971U CN 211393663 U CN211393663 U CN 211393663U
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Abstract
The utility model discloses a many hoisting points crawler crane prevent off-angle structure, including fixing base and hoist and mount case, the shaping of fixing base top four corners department has the fixed orifices, the fixing base below is provided with force sensor, the force sensor below is provided with the hoist and mount case. Has the advantages that: the utility model provides a tension sensor real-time detection each lifting rope borne pulling force size, and then be convenient for control the jack-up process of the jack-up reel that corresponds, make the pulling force of each lifting rope maintain in a balanced within range, prevent the emergence of declination process, and simultaneously, can be through controlling step motor's rotational speed, make its speed with the jack-up motor match each other, and then control reel support and jack-up reel round trip movement, make the hoist and mount position of lifting rope on the jack-up reel all the time in the top of stand pipe, can control orderly winding of lifting rope on the jack-up reel, prevent derailing.
Description
Technical Field
The utility model relates to a crawler crane technical field, concretely relates to many hoisting points crawler crane prevents off-angle structure.
Background
The crawler crane is a crane provided with a traveling device, a hoisting device, a luffing device and a rotating device on a traveling crawler chassis, has an independent energy source, is compact in structure, relatively small in overall dimension, good in maneuverability and capable of meeting the requirement of the mobility of an engineering crane, can be divided into three types, namely a mechanical type, a hydraulic type and an electric type according to different transmission modes, and is more in use.
However, when the existing multi-lifting-point crawler crane is used for lifting operation, most of the existing multi-lifting-point crawler crane is not provided with an anti-deflection angle structure, deflection angles often occur in the lifting process, the process of lifting heavy objects is not stable, potential safety hazards exist, meanwhile, in the lifting process, when a lifting rope is wound on a lifting winding drum, the lifting rope can be wound along the lifting winding drum in a spiral mode, and the lifting rope can stay for a long time at a certain position and fall off.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art not enough, now provide a many hoisting points crawler crane and prevent declination structure, solved current many hoisting points crawler crane when carrying out the jack-up operation, mostly do not set up and prevent the declination structure, the jack-up in-process, often can take place the declination, the process that leads to the hoist and mount heavy object is very unstable, there is the potential safety hazard, and at the jack-up in-process, the jack-up reel is when the rolling lifting rope, the lifting rope can be along jack-up reel spiral rolling, can be longer and the problem that drops in certain position dwell time sometimes.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a many hoisting points crawler crane prevents off-angle structure, including fixing base and hoist and mount case, the shaping of fixing base top four corners department has the fixed orifices, the fixing base below is provided with force sensor, the force sensor below is provided with hoist and mount case, force sensor with hoist and mount case and the fixing base all passes through bolted connection.
By adopting the technical scheme, when the crane lifts heavy objects at multiple lifting points, the tension sensor can detect the tension born by each lifting rope in real time, so that the corresponding lifting process of the lifting drum can be controlled conveniently, the tension of each lifting rope is maintained in a balanced range, and the deflection process is prevented.
Furthermore, a guide hopper is connected to the lower portion of the hoisting box through a screw, the guide hopper comprises a guide pipe formed below the guide hopper and balls arranged on the inner wall of the guide pipe, and the balls are in rolling connection with the guide pipe.
By adopting the technical scheme, the guide pipe below the guide hopper can guide the lifting process of the lifting rope, the lifting rope is prevented from swinging back and forth, the stability of the lifting process is ensured, the ball provides rolling support for the lifting rope, the friction resistance and the abrasion loss of the lifting rope are reduced, and the service life of the lifting rope is prolonged.
Furthermore, the upper part inside the hoisting box is connected with two slide rails through screws, and the lower part of each slide rail is connected with a slide block in a sliding manner.
Through adopting above-mentioned technical scheme, the slide rail with the slider cooperation provides the direction for the removal of reel support.
Furthermore, the middle part of the slide rail is provided with a lead screw, one end part of the lead screw is connected with a support in a rolling way, and the other end part of the lead screw is connected with a stepping motor through a coupler.
By adopting the technical scheme, the stepping motor can drive the lead screw to rotate.
Furthermore, the stepping motor is connected with the hoisting box through a bolt, the support is connected with the hoisting box through a bolt, and the middle part of the lead screw is connected with a nut through a thread.
Through adopting above-mentioned technical scheme, the lead screw with the nut cooperation provides power for the round trip movement of reel support.
Further, the nut with the slider below all is connected with the reel support through the bolt, the inside roll connection of reel support has the jack-up reel.
By adopting the technical scheme, the rotating speed of the stepping motor can be controlled to be matched with the speed of the hoisting motor, so that the reel support and the hoisting reel can be controlled to move back and forth, the hoisting position of the hoisting reel is always above the guide pipe, and the hoisting rope can be controlled to be orderly wound on the hoisting reel to prevent derailment.
Further, drum support one side has the reduction gear through bolted connection, the reduction gear with the jack-up reel passes through the key-type connection, the reduction gear top has hoisting motor through the coupling joint, hoisting motor with the drum support passes through bolted connection.
By adopting the technical scheme, the hoisting motor is started, after the speed of the speed reducer is reduced, power is transmitted to the hoisting drum, and the hoisting drum is driven to rotate and is used for hoisting heavy objects.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. in order to solve the problems that when the existing multi-lifting-point crawler crane is used for hoisting operation, most of the existing multi-lifting-point crawler cranes are not provided with an anti-deflection angle structure, deflection angles often occur in the hoisting process, so that the process of hoisting heavy objects is not stable, and potential safety hazards exist, the tension sensor of the utility model detects the magnitude of tension born by each lifting rope in real time, and further facilitates the control of the hoisting process of corresponding hoisting drums, so that the tension of each lifting rope is maintained in a balanced range, and the deflection angle process is prevented;
2. for solving current many hoisting points crawler crane at the jack-up in-process, the jack-up reel is when the rolling lifting rope, and the lifting rope can be along jack-up reel spiral rolling, can be longer and the problem that drops in a certain position dwell time at times, the utility model discloses can be through controlling step motor's rotational speed, make its speed with the jack-up motor match each other, and then control reel support and jack-up reel round trip movement for the hoist and mount position of lifting rope on the jack-up reel is all the time in the top of stand pipe, can control the orderly winding of lifting rope on the jack-up reel, prevents the derailment.
Drawings
Fig. 1 is a front view of an anti-deflection angle structure of a multi-lifting-point crawler crane according to the present invention;
FIG. 2 is a main sectional view of a hoisting box in the deflection preventing structure of the multi-hoisting-point crawler crane according to the present invention;
fig. 3 is a main section view of the guide bucket in the multi-hoisting point crawler crane deflection angle preventing structure.
The reference numerals are explained below:
1. a fixed seat; 2. a fixing hole; 3. a tension sensor; 4. hoisting the box; 5. a guide hopper; 501. a guide tube; 502. a ball bearing; 6. a slide rail; 7. a slider; 8. a stepping motor; 9. a lead screw; 10. a support; 11. a nut; 12. a reel support; 13. a hoisting drum; 14. a speed reducer; 15. a hoisting motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, an anti-deviation angle structure of a multi-lifting-point crawler crane in this embodiment includes a fixing base 1 and a lifting box 4, fixing holes 2 are formed at four corners above the fixing base 1, a tension sensor 3 is disposed below the fixing base 1, a lifting box 4 is disposed below the tension sensor 3, the tension sensor 3 is connected to the lifting box 4 and the fixing base 1 through bolts, and when a heavy object is lifted by the multi-lifting-point crawler crane, the tension sensor 3 detects the magnitude of tension borne by each lifting rope in real time, so as to control the lifting process of the corresponding lifting drum 13, so that the tension of each lifting rope is maintained in a balanced range, and the deviation angle process is prevented.
There is the direction fill 5 hoisting box 4 below through bolted connection, direction fill 5 including the shaping at the guide tube 501 of direction fill 5 below and set up the ball 502 on the guide tube 501 inner wall, ball 502 and guide tube 501 roll connection, the guide tube 501 of 5 below can fight through the direction provides the direction for the hoist and mount process of lifting rope, prevent lifting rope swing back and forth, ensure the stationarity of hoist and mount process, ball 502 provides the roll support for the lifting rope, reduce frictional resistance and the wearing and tearing loss to the lifting rope, the life of extension lifting rope.
The upper part in the hoisting box 4 is connected with a slide rail 6 through a screw, the number of the slide rails 6 is two, a slide block 7 is connected below the slide rail 6 in a sliding manner, and the slide rail 6 is matched with the slide block 7 to provide guidance for the movement of the reel support 12.
The middle of the slide rail 6 is provided with a lead screw 9, one end of the lead screw 9 is connected with a support 10 in a rolling way, the other end of the lead screw 9 is connected with a stepping motor 8 through a coupler, and the stepping motor 8 can drive the lead screw 9 to rotate.
Reel support 12 one side has reduction gear 14 through bolted connection, and reduction gear 14 passes through the key-type connection with jack-up reel 13, and there is hoisting motor 15 reduction gear 14 top through the coupling joint, and hoisting motor 15 passes through bolted connection with reel support 12, and hoisting motor 15 starts, and after 14 speed reductions of reduction gear, gives hoisting reel 13 with power transmission, drives jack-up reel 13 and rotates, is used for hoisting the heavy object.
The specific implementation process of this embodiment is as follows: when the multi-hoisting-point crawler crane deflection-preventing structure is used, the multi-hoisting-point crawler crane deflection-preventing structure can be fixed on the multi-hoisting-point crawler crane through the fixing hole 2 on the fixing seat 1, the hoisting ropes pass through the guide pipe 501 and then are fixedly wound on the hoisting drum 13, in the process of hoisting heavy objects, the tension sensor 3 detects the magnitude of the tension borne by each hoisting rope in real time, so that the hoisting process of the corresponding hoisting drum 13 is conveniently controlled, the tension of each hoisting rope is maintained in a balanced range, the deflection process is prevented, meanwhile, the speed of the stepping motor 8 is matched with that of the hoisting motor 15 by controlling the rotating speed of the stepping motor 8, the drum support 12 and the hoisting drum 13 are controlled to move back and forth, the hoisting position of the hoisting ropes on the hoisting drum 13 is always above the guide pipe 501, and the hoisting ropes can be controlled to be orderly wound on the hoisting drum 13, the derailment is prevented, the ball 502 in the guide pipe 501 provides a rolling supporting force for the lifting rope, the friction resistance and the abrasion loss of the lifting rope are reduced, and the service life of the lifting rope is prolonged.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. The utility model provides a many hoisting points crawler crane prevents off-angle structure which characterized in that: the device is characterized by comprising a fixed seat (1) and a hoisting box (4), wherein fixed holes (2) are formed in four corners above the fixed seat (1), a tension sensor (3) is arranged below the fixed seat (1), the hoisting box (4) is arranged below the tension sensor (3), and the tension sensor (3) is connected with the hoisting box (4) and the fixed seat (1) through bolts.
2. The multi-lifting-point crawler crane anti-deflection structure according to claim 1, wherein: the lower part of the hoisting box (4) is connected with a guide hopper (5) through a screw, the guide hopper (5) comprises a guide pipe (501) formed below the guide hopper (5) and balls (502) arranged on the inner wall of the guide pipe (501), and the balls (502) are in rolling connection with the guide pipe (501).
3. The multi-lifting-point crawler crane anti-deflection structure according to claim 2, wherein: the lifting box is characterized in that a sliding rail (6) is connected to the upper portion inside the lifting box (4) through a screw, the number of the sliding rails (6) is two, and a sliding block (7) is connected to the lower portion of the sliding rails (6) in a sliding mode.
4. The multi-lifting-point crawler crane anti-deflection structure according to claim 3, wherein: the automatic feeding device is characterized in that a lead screw (9) is arranged in the middle of the sliding rail (6), one end of the lead screw (9) is connected with a support (10) in a rolling mode, and the other end of the lead screw (9) is connected with a stepping motor (8) through a coupler.
5. The multi-lifting-point crawler crane anti-deflection structure according to claim 4, wherein: the stepping motor (8) is connected with the hoisting box (4) through bolts, the support (10) is connected with the hoisting box (4) through bolts, and the middle of the lead screw (9) is connected with a nut (11) through threads.
6. The multi-lifting-point crawler crane anti-deflection structure according to claim 5, wherein: the lifting drum is characterized in that a drum support (12) is connected below the nut (11) and the sliding block (7) through bolts, and a lifting drum (13) is connected inside the drum support (12) in a rolling mode.
7. The multi-lifting-point crawler crane anti-deflection structure according to claim 6, wherein: reel support (12) one side has reduction gear (14) through bolted connection, reduction gear (14) with jack-up reel (13) pass through the key-type connection, there is hoisting motor (15) reduction gear (14) top through the coupling joint, hoisting motor (15) with reel support (12) pass through bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014971.2U CN211393663U (en) | 2019-11-20 | 2019-11-20 | Multi-lifting-point crawler crane anti-deflection angle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014971.2U CN211393663U (en) | 2019-11-20 | 2019-11-20 | Multi-lifting-point crawler crane anti-deflection angle structure |
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| CN211393663U true CN211393663U (en) | 2020-09-01 |
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| CN201922014971.2U Active CN211393663U (en) | 2019-11-20 | 2019-11-20 | Multi-lifting-point crawler crane anti-deflection angle structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800419A (en) * | 2021-10-28 | 2021-12-17 | 中南大学 | Orthogonal guide type hoisting winch device |
-
2019
- 2019-11-20 CN CN201922014971.2U patent/CN211393663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800419A (en) * | 2021-10-28 | 2021-12-17 | 中南大学 | Orthogonal guide type hoisting winch device |
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