CN213569273U - Amplitude changing mechanism of tyre type crane - Google Patents

Amplitude changing mechanism of tyre type crane Download PDF

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Publication number
CN213569273U
CN213569273U CN202022354075.3U CN202022354075U CN213569273U CN 213569273 U CN213569273 U CN 213569273U CN 202022354075 U CN202022354075 U CN 202022354075U CN 213569273 U CN213569273 U CN 213569273U
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movable rod
support
fixed mounting
sensor
movable
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CN202022354075.3U
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Chinese (zh)
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姚坚强
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Wuxi Gangfeng Machinery Manufacturing Co ltd
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Wuxi Gangfeng Machinery Manufacturing Co ltd
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Abstract

The utility model discloses a luffing mechanism of rubber-tired crane, including the main backup pad, the left end fixed mounting of main backup pad upper end has the support pole, the place ahead movable mounting of support pole has the rotation support, the support pole equidistance is arranged in the front and back both sides of rotating the support, the left and right sides fixed mounting who rotates the support below has the fixed chamber, the left and right sides movable mounting who rotates the support has the limit force spring, the limit force spring is located the top of fixed chamber, the right side movable mounting of support pole has movable rod one, the right-hand member fixed mounting of movable rod one has movable rod two. According to the luffing mechanism of the tire type crane, the rotating support, the force limiting spring and the early warning device are additionally arranged, the rotating support is mainly used for assisting in driving the first movable rod and the second movable rod above, the force limiting spring in the rotating support is used for limiting the first movable rod and the second movable rod, and the early warning device is used for responding to emergency and guaranteeing the safety of operation.

Description

Amplitude changing mechanism of tyre type crane
Technical Field
The utility model relates to a rubber-tyred crane technical field specifically is a luffing mechanism of rubber-tyred crane.
Background
The tyre type crane is a full rotary crane with a hoisting mechanism installed on a special chassis composed of heavy tyres and wheel shafts, the upper structure of the full rotary crane is basically the same as that of a crawler crane, in order to ensure the stability of a machine body during installation operation, the crane is provided with four telescopic supporting legs, the amplitude-changing mechanism is used for lifting or descending a heavy object by changing the amplitude angle of a suspension arm, so that the range and the height of the suspended weight are increased, the amplitude-changing mechanism is mainly composed of an amplitude-changing oil cylinder, an amplitude-changing balance valve, a main pump, a control element, a pressure sensor, an inclination angle sensor, a pipeline and other accessories, the amplitude-changing mechanism can be divided into single-cylinder amplitude changing and double-cylinder changing according to the tonnage of the crane, the small-tonnage crane generally adopts active amplitude increasing, and the.
The amplitude-changing mechanism of a general tire type crane provides power through a machine to carry out limiting amplitude limiting on the amplitude-changing mechanism, a detection and alarm device is not arranged, and the precaution consciousness and the precaution capability are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tire crane's luffing mechanism to the luffing mechanism who provides general tire crane in solving above-mentioned background art all provides power through the machine and carries out spacing amplitude limiting to luffing mechanism, does not set up the device of surveying and alarm, takes precautions against the consciousness and takes precautions against the relatively poor problem of ability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a luffing mechanism of tire crane, includes the main backup pad, the left end fixed mounting of main backup pad upper end has the support pole, the place ahead movable mounting of support pole has the rotation support, the support pole equidistance is arranged in rotation support's front and back two sides, the left and right sides fixed mounting who rotates the support below has the fixed chamber, the left and right sides movable mounting who rotates the support has the limit spring, the limit spring is located the top of fixed chamber, the right side movable mounting of support pole has a movable rod one, the right-hand member fixed mounting of movable rod one has a movable rod two.
Preferably, the right side fixed mounting above the second movable rod is provided with a buckle, the right end fixed mounting of the buckle is provided with a connecting block, the lower end fixed mounting of the second movable rod is provided with a connecting table, the lower end fixed mounting of the connecting block is provided with a first telescopic rod, and the lower end fixed mounting of the first telescopic rod is provided with a second telescopic rod.
Preferably, the front side and the rear side of the second telescopic rod are fixedly provided with limiting walls, a turntable is movably arranged below the limiting walls, and the turntable is positioned in the middle of the lower end of the main supporting plate.
Preferably, a first sensor is fixedly mounted above the left end of the main supporting plate, and an alarm is fixedly mounted in the middle of the upper end of the first sensor.
Preferably, the lower end of the first sensor is fixedly provided with a positioning plate, and the front side and the rear side of the upper end of the positioning plate are fixedly provided with fixing caps.
Preferably, the right side of the limiting wall is fixedly provided with a second sensor, and the second sensor is positioned at the upper end of the right end of the main supporting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the luffing mechanism of the tire type crane is mainly used for assisting to drive a first movable rod and a second movable rod above through installing a rotary bracket, and the force limiting spring in the rotating bracket is used for limiting the first movable rod and the second movable rod, the force limiting spring is buckled in the fixed chamber and is directly connected with the rotating bracket, because the force limiting spring is buckled in the fixed chamber, when the force limiting spring rotates to a certain degree, the first movable rod and the second movable rod can not brake, the acting force relationship between the force limiting spring and the first movable rod and the second movable rod needs to be calculated in advance when the force limiting spring is installed, the force limiting spring can prevent the action of the first movable rod and the second movable rod in advance under the condition that the opening amplitude of the first movable rod and the second movable rod does not exceed the limit, and the buckle and the connecting block are parts on the top and are used for being connected with other object blocks needing to be lifted;
2. the amplitude changing mechanism of the rubber-tyred crane is characterized in that a first telescopic rod and a second telescopic rod are mounted, the lower end of the second telescopic rod is a spherical sliding part, the first telescopic rod and the second telescopic rod can drive the first movable rod and the second movable rod to change in amplitude by stretching, a first sensor is positioned below the left sides of the first movable rod and the second movable rod, and the first sensor has a distance detecting function and can judge whether the first movable rod and the second movable rod excessively deviate to the left side;
3. this luffing mechanism of tire formula hoist through the installation siren, and the siren has the function of whistling, and when the two-way left skew of movable rod one and movable rod was excessive, the siren can receive the information that comes from sensor one to carry out the work of siren, and sensor two is located the upper end of owner fagging right-hand member, and sensor two also is used for surveying the skew degree of movable rod one and movable rod two, but what sensor two surveyed is the degree of right skew of movable rod one and movable rod two.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic side structure view of the luffing mechanism of the present invention;
fig. 3 is a schematic view of the front structure of the driving bracket of the present invention;
fig. 4 is the structure diagram of the early warning device of the present invention.
In the figure: 1. a main supporting plate; 2. a support rod; 3. rotating the bracket; 4. a fixed chamber; 5. a force limiting spring; 6. a first movable rod; 7. a second movable rod; 8. buckling; 9. a joining station; 10. connecting blocks; 11. a first telescopic rod; 12. a second telescopic rod; 13. a limiting wall; 14. a turntable; 15. a first sensor; 16. an alarm; 17. positioning a plate; 18. fixing the cap; 19. and a second sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a luffing mechanism of a tire type crane comprises a main supporting plate 1, a supporting rod 2 is fixedly mounted at the left end of the upper end of the main supporting plate 1, a rotating support 3 is movably mounted in front of the supporting rod 2, the supporting rods 2 are arranged in the front and the back of the rotating support 3 at equal intervals, a fixed chamber 4 is fixedly mounted on the left side and the right side of the lower portion of the rotating support 3, force limiting springs 5 are movably mounted on the left side and the right side of the rotating support 3, the force limiting springs 5 are located above the fixed chamber 4, a movable rod I6 is movably mounted on the right side of the supporting rod 2, and a movable rod II 7 is fixedly mounted on the.
Further, a buckle 8 is fixedly arranged on the right side above the second movable rod 7, a connecting table 9 is fixedly arranged at the right end of the buckle 8, a connecting block 10 is fixedly arranged at the lower end of the second movable rod 7, a first telescopic rod 11 is fixedly arranged at the lower end of the connecting block 10, a second telescopic rod 12 is fixedly arranged at the lower end of the first telescopic rod 11, the main supporting plate 1 is a foot-falling plate of all parts of the luffing mechanism by installing the main supporting plate 1, the main supporting plate plays a main stabilizing role, the rotating support 3 is mainly used for assisting in driving the first movable rod 6 and the second movable rod 7 above, the force limiting spring 5 in the rotating support 3 is used for limiting the first movable rod 6 and the second movable rod 7, the force limiting spring 5 is buckled in the fixed chamber 4, the force limiting spring 5 is directly connected with the rotating support 3, because the force limiting spring 5 is buckled in the fixed chamber 4, when the force limiting spring 5 rotates to a certain degree, the first movable rod 6 and the second movable rod, when the force limiting spring 5 is installed, the acting force relation between the force limiting spring 5 and the first movable rod 6 and the second movable rod 7 needs to be calculated in advance, so that the force limiting spring 5 can prevent the actions of the first movable rod 6 and the second movable rod 7 in advance under the condition that the opening ranges of the first movable rod 6 and the second movable rod 7 do not exceed the limit, and the buckle 8 and the connecting table 9 are top parts and are used for being connected with other object blocks needing to be lifted.
Furthermore, the front side and the rear side of the second telescopic rod 12 are fixedly provided with limiting walls 13, a rotary table 14 is movably arranged below the limiting walls 13, the rotary table 14 is located in the middle of the lower end of the main supporting plate 1, the lower end of the second telescopic rod 12 is a spherical sliding part through installation of the first telescopic rod 11 and the second telescopic rod 12, and the first telescopic rod 11 and the second telescopic rod 12 can drive the first movable rod 6 and the second movable rod 7 to change in amplitude through stretching.
Furthermore, the first sensor 15 is fixedly mounted above the left end of the main supporting plate 1, the alarm 16 is fixedly mounted in the middle of the upper end of the first sensor 15, the first sensor 15 is located below the left sides of the first movable rod 6 and the second movable rod 7 by mounting the first sensor 15, the first sensor 15 has a distance detecting function, and whether the first movable rod 6 and the second movable rod 7 are excessively deviated to the left side or not can be judged.
Further, a positioning plate 17 is fixedly mounted at the lower end of the first sensor 15, fixing caps 18 are fixedly mounted on the front side and the rear side of the upper end of the positioning plate 17, the alarm 16 has a whistle function by mounting the alarm 16, and when the first movable rod 6 and the second movable rod 7 are excessively deviated to the left, the alarm 16 receives information from the first sensor 15 and conducts whistle work.
Further, the right side fixed mounting of spacing wall 13 has sensor two 19, and sensor two 19 is located the upper end of main fagging 1 right-hand member, and through installing sensor two 19, sensor two 19 is located the upper end of main fagging 1 right-hand member, and sensor two 19 also is used for surveying the skew degree of movable rod one 6 and movable rod two 7, but what sensor two 19 surveyed is the degree of right skew of movable rod one 6 and movable rod two 7.
The working principle is as follows: firstly, a main supporting plate 1 is installed, the main supporting plate 1 is a foot-falling plate of all parts of the luffing mechanism and plays a main stabilizing role, a rotating bracket 3 is mainly used for assisting to drive a first movable rod 6 and a second movable rod 7 above, a force limiting spring 5 in the rotating bracket 3 is used for limiting the first movable rod 6 and the second movable rod 7, the force limiting spring 5 is buckled in a fixed chamber 4, the force limiting spring 5 is directly connected with the rotating bracket 3, the force limiting spring 5 is buckled in the fixed chamber 4, when the force limiting spring 5 rotates to a certain degree, the first movable rod 6 and the second movable rod 7 cannot brake, the acting force relationship between the force limiting spring 5 and the first movable rod 6 and the second movable rod 7 needs to be calculated in advance when the force limiting spring 5 is installed, so as to ensure that the force limiting spring 5 can stop the first movable rod 6 and the second movable rod 7 in advance under the condition that the opening range of the first movable rod 6 and the second movable rod 7 does not exceed the limit, the buckle 8 and the connecting platform 9 are top parts and are used for being connected with other objects needing lifting, the first telescopic rod 11 and the second telescopic rod 12 are spherical sliding parts at the lower end of the second telescopic rod 12, the first telescopic rod 11 and the second telescopic rod 12 can drive the first movable rod 6 and the second movable rod 7 to change the amplitude by stretching, the first sensor 15 is positioned below the left sides of the first movable rod 6 and the second movable rod 7, the first sensor 15 has a distance detection function and can judge whether the first movable rod 6 and the second movable rod 7 excessively shift to the left, the alarm 16 has a whistle function, when the first movable rod 6 and the second movable rod 7 excessively shift to the left, the alarm 16 receives information from the first sensor 15 and performs whistle work, the second sensor 19 is positioned at the upper end of the right end of the main supporting plate 1, and the second sensor 19 is also used for detecting the shift degrees of the first movable rod 6 and the second movable rod 7, but the second sensor 19 detects the degree of rightward shift of the first movable bar 6 and the second movable bar 7.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. A luffing mechanism of a tyre crane comprises a main supporting plate (1), and is characterized in that: the left end fixed mounting of owner fagging (1) upper end has support rod (2), the place ahead movable mounting of support rod (2) has rotating support (3), support rod (2) equidistance is arranged in the front and back both sides that rotate support (3), the left and right sides fixed mounting who rotates support (3) below has fixed chamber (4), the left and right sides movable mounting who rotates support (3) has limit power spring (5), limit power spring (5) are located the top of fixed chamber (4), the right side movable mounting of support rod (2) has movable rod (6), the right-hand member fixed mounting of movable rod (6) has movable rod two (7).
2. The luffing mechanism of a mobile crane according to claim 1, wherein: the right side fixed mounting of two (7) tops of movable rod has buckle (8), the right-hand member fixed mounting of buckle (8) has a linking platform (9), the lower extreme fixed mounting of two (7) of movable rod has connecting block (10), the lower extreme fixed mounting of connecting block (10) has telescopic link (11), the lower extreme fixed mounting of telescopic link (11) has telescopic link two (12).
3. A luffing mechanism for a mobile crane according to claim 2, wherein: two sides fixed mounting have spacing wall (13) around the telescopic link two (12), the below movable mounting of spacing wall (13) has carousel (14), carousel (14) are located the middle part of main fagging (1) lower extreme.
4. The luffing mechanism of a mobile crane according to claim 1, wherein: a first sensor (15) is fixedly mounted above the left end of the main supporting plate (1), and an alarm (16) is fixedly mounted in the middle of the upper end of the first sensor (15).
5. The luffing mechanism of a mobile crane according to claim 4, wherein: the sensor is characterized in that a positioning plate (17) is fixedly mounted at the lower end of the first sensor (15), and fixing caps (18) are fixedly mounted at the front side and the rear side of the upper end of the positioning plate (17).
6. A luffing mechanism for a mobile crane according to claim 3, wherein: the right side fixed mounting of spacing wall (13) has sensor two (19), sensor two (19) are located the upper end of main fagging (1) right-hand member.
CN202022354075.3U 2020-10-21 2020-10-21 Amplitude changing mechanism of tyre type crane Active CN213569273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022354075.3U CN213569273U (en) 2020-10-21 2020-10-21 Amplitude changing mechanism of tyre type crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022354075.3U CN213569273U (en) 2020-10-21 2020-10-21 Amplitude changing mechanism of tyre type crane

Publications (1)

Publication Number Publication Date
CN213569273U true CN213569273U (en) 2021-06-29

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CN202022354075.3U Active CN213569273U (en) 2020-10-21 2020-10-21 Amplitude changing mechanism of tyre type crane

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602980A (en) * 2021-07-29 2021-11-05 江苏科技大学 Remove hoist device with prevention subassembly of turning on one's side

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602980A (en) * 2021-07-29 2021-11-05 江苏科技大学 Remove hoist device with prevention subassembly of turning on one's side

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