CN221625682U - Combined arm section of crane boom - Google Patents
Combined arm section of crane boom Download PDFInfo
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- CN221625682U CN221625682U CN202323379214.8U CN202323379214U CN221625682U CN 221625682 U CN221625682 U CN 221625682U CN 202323379214 U CN202323379214 U CN 202323379214U CN 221625682 U CN221625682 U CN 221625682U
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- sliding
- arm
- fixedly connected
- arm section
- threaded rod
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- 230000007246 mechanism Effects 0.000 abstract description 30
- 238000003466 welding Methods 0.000 abstract description 5
- 230000000670 limiting effect Effects 0.000 description 47
- 230000002457 bidirectional effect Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model provides a combined arm section of a lifting arm, which relates to the technical field of combined arm sections of lifting arms, and comprises two upright posts, wherein an arm section body is arranged on the two upright posts together, a lifting mechanism is connected on the arm section body in a sliding way, a hook is fixedly connected on the lifting mechanism, an adjusting structure is arranged between the two upright posts and the arm section body together, the adjusting structure mainly comprises two sliding grooves which are respectively arranged on the upright posts, the two sliding grooves are respectively connected with the sliding blocks in a sliding manner, so that the problems that the operation is complicated and the safety is low because the arm sections in the general crane arm are fixedly connected to the upper ends of the supporting arms in a welding or threaded connection manner, when the arm sections and the lifting mechanisms on the arm sections are in failure, workers are required to lift to the same height as the arm sections through other equipment, and then the arm sections and the lifting mechanisms are maintained are solved.
Description
Technical Field
The utility model relates to the technical field of combined arm sections of lifting arms, in particular to a combined arm section of a lifting arm.
Background
The crane boom is an important device on a crane, has a plurality of types, and mainly plays a role in hoisting heavier weights, and is mainly fixedly supported by a stand column fixedly planted on the ground and then is hoisted by a hoisting mechanism.
The jib loading boom is often used in the in-process of lifting by crane the heavy object, and the staff often discovers in the in-process of using current jib loading boom: the arm section in the general lifting arm is usually through welding or threaded connection's mode fixed connection in the upper end of support arm, and when the lifting mechanism on arm section and the arm section breaks down, need the staff to rise to and lie in same height with the arm section through other equipment, maintain arm section and lifting mechanism again, not only complex operation and security are lower.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a combined arm section of a lifting arm.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a combination arm festival of lifting arm, includes two stands, two be provided with the arm festival body on the stand jointly, sliding connection has hoisting mechanism on the arm festival body, fixedly connected with hook on the hoisting mechanism, two the stand with be provided with regulation structure jointly between the arm festival body, regulation structure mainly comprises two spouts, two the spout is seted up respectively on the stand, two respectively sliding connection have the slider in the spout, two respectively fixed connection is in the both ends of arm festival body.
The effects achieved by the components are as follows: the two stand columns are respectively fixed on two sides of an article to be lifted, the position of the lifting mechanism is adjusted to enable the hook to be located right above the article, the lifting mechanism is restarted to enable the hook to descend, the article is lifted, when the arm section body or the lifting mechanism breaks down, the two sliding blocks can slide downwards to drive the arm section body to slide downwards, the arm section body is convenient to overhaul, therefore, the condition that the operation is complicated and the safety is low because the arm section in a general lifting arm is fixedly connected to the upper end of the supporting arm in a welding or threaded mode is avoided, and when the arm section and the lifting mechanism on the arm section break down, the worker is required to lift to be located at the same height with the arm section through other equipment, and then the arm section and the lifting mechanism are maintained.
Preferably, sliding grooves are respectively formed in two sides of the sliding block, sliding blocks are fixedly connected to inner walls of two sides of the sliding groove, and the sliding grooves are in sliding connection with the sliding blocks.
The effects achieved by the components are as follows: the two sliding blocks are respectively limited and slide in the sliding groove, so that the movement of the arm section body is more stable.
Preferably, one of the upright posts is fixedly connected with a mounting plate, a threaded rod is rotationally connected to the mounting plate, one end of the threaded rod is rotationally connected to the lower inner wall of the sliding groove, and the threaded rod is inserted into one of the sliding blocks.
The effects achieved by the components are as follows: because the sliding block is in limit sliding in the sliding groove, when the threaded rod is rotated, the threaded rod can drive the sliding block to move up and down, and the threaded rod can play a limit role on the sliding block.
Preferably, the mounting plate is fixedly connected with a first motor, and an output shaft of the first motor is fixedly connected with the threaded rod.
The effects achieved by the components are as follows: the first motor is started, and the output shaft of the first motor drives the threaded rod to rotate, so that the operation is more convenient.
Preferably, a sliding round rod is arranged in the chute far away from the threaded rod, the sliding round rod is inserted in one sliding block in a sliding manner, one end of the sliding round rod is fixedly connected to the mounting plate, and the other end of the sliding round rod is fixedly connected to the lower inner wall of the chute.
The effects achieved by the components are as follows: a sliding block can slide on the sliding round rod in a limiting manner, so that the moving stability of the arm section body can be further enhanced.
Preferably, two limit structures are respectively arranged on the upright posts, the limit structures mainly comprise fixed blocks, the fixed blocks are fixedly connected to the upper ends of the upright posts, rectangular grooves are formed in the fixed blocks, two limit plates are connected in a sliding mode in the rectangular grooves, limit posts are fixedly connected to the limit plates, limit holes are formed in the sliding blocks, and the limit posts are matched with the limit holes in size.
The effects achieved by the components are as follows: when the arm joint body rises to the highest point to work, the two limiting plates can slide, so that the two limiting columns are inserted into the limiting holes, and then the sliding block is limited, and the stability of the sliding block is further enhanced.
Preferably, the rectangular groove is rotatably connected with a bidirectional screw, two sections of threads of the bidirectional screw are opposite in direction, and the bidirectional screw is in threaded connection with the two limiting plates respectively.
The effects achieved by the components are as follows: because two limiting plates slide in the rectangular groove in a limiting manner, when the bidirectional screw rod is rotated, the bidirectional screw rod can drive the two limiting plates to slide, and because the directions of two sections of threads of the bidirectional screw rod are opposite, when the bidirectional screw rod is rotated, the two limiting plates are close to each other or far away from each other, so that the limiting effect on the sliding block is enhanced.
Preferably, one side of the fixed block is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with the bidirectional screw rod.
The effects achieved by the components are as follows: and the second motor is started, and the output shaft of the second motor drives the bidirectional screw rod to rotate, so that the convenience of operation is improved.
Compared with the prior art, the utility model has the advantages and positive effects that through the arrangement of the adjusting structure, when the arm section body or the lifting mechanism breaks down, the two sliding blocks can slide downwards to drive the arm section body to slide downwards, so that workers can conveniently overhaul the arm section body, the two sliding blocks can slide in the sliding grooves in a limiting manner respectively, the movement of the arm section body is more stable, when the sliding blocks slide in the sliding grooves in a limiting manner, the threaded rod drives the sliding blocks to move up and down when the threaded rod is rotated, the threaded rod can play a limiting role on the sliding blocks, the first motor is started, the output shaft of the first motor drives the threaded rod to rotate, the operation is more convenient, one sliding block slides in the sliding round rod in a limiting manner, the movement stability of the arm section body can be further enhanced, and therefore, the situation that when the arm section and the lifting mechanism on the arm section usually break down, workers need to be lifted to be positioned at the same height with the arm section through other equipment is avoided, and the maintenance is carried out on the arm section and the lifting mechanism, and the operation is complicated and the operation is low is avoided.
Drawings
Fig. 1 is a schematic perspective view of a combined arm section of a crane arm according to the present utility model;
FIG. 2 is a schematic view of a portion of an adjustment structure for a combined arm segment of a crane arm according to the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2 of a combined arm segment of a lift arm in accordance with the present utility model;
fig. 4 is a schematic view of a portion of a limiting structure of a combined arm segment of a crane arm according to the present utility model.
Legend description: 1. a column; 2. an arm segment body; 3. a lifting mechanism; 4. a hook; 5. an adjustment structure; 51. a chute; 52. a slide block; 53. a sliding groove; 54. a sliding block; 55. a mounting plate; 56. a threaded rod; 57. a first motor; 58. sliding the round rod; 6. a limit structure; 61. a fixed block; 62. rectangular grooves; 63. a limiting plate; 64. a limit column; 65. a limiting hole; 66. a bidirectional screw; 67. and a second motor.
Detailed Description
Embodiment 1, as shown in fig. 1, a combined arm section of a crane arm comprises two upright posts 1, wherein an arm section body 2 is jointly arranged on the two upright posts 1, a hoisting mechanism 3 is connected to the arm section body 2 in a sliding manner, and a hook 4 is fixedly connected to the hoisting mechanism 3.
Referring to fig. 1-4, an adjusting structure 5 is commonly arranged between two upright posts 1 and an arm section body 2, the adjusting structure 5 mainly comprises two sliding grooves 51, the two sliding grooves 51 are respectively arranged on the upright posts 1, sliding blocks 52 are respectively and slidingly connected with the two sliding grooves 51, the two sliding blocks 52 are respectively and fixedly connected with two ends of the arm section body 2, the two upright posts 1 are respectively fixed on two sides of an article to be lifted, the position of a lifting mechanism 3 is adjusted to enable a hook 4 to be positioned right above the article, the lifting mechanism 3 is started again to enable the hook 4 to descend, the article is lifted, when the arm section body 2 or the lifting mechanism 3 fails, the two sliding blocks 52 can be downwards slid to drive the arm section body 2 to downwards slide, the maintenance of workers is facilitated, the condition that the arm section in a general lifting arm is fixedly connected with the upper end of a supporting arm in a welding or threaded connection mode is avoided, when the arm joint and the lifting mechanism 3 on the arm joint are in failure, workers are required to ascend to the same height as the arm joint through other equipment, then the arm joint and the lifting mechanism 3 are maintained, so that the conditions of complex operation and lower safety are caused, sliding grooves 53 are respectively formed in two sides of a sliding block 52, sliding blocks 54 are fixedly connected to inner walls of two sides of the sliding groove 51, the sliding grooves 53 are in sliding connection with the sliding blocks 54, the two sliding blocks 54 are respectively in limiting sliding in the sliding grooves 53, the movement of the arm joint body 2 is more stable, a mounting plate 55 is fixedly connected to one upright post 1, a threaded rod 56 is rotatably connected to the mounting plate 55, one end of the threaded rod 56 is rotatably connected to the lower inner wall of the sliding groove 51, the threaded rod 56 is inserted into the threaded rod 52, and when the threaded rod 52 is in limiting sliding in the sliding groove 51, the threaded rod 56 is rotated, the threaded rod 56 can drive the slider 52 to reciprocate, and the threaded rod 56 can play the limiting displacement to the slider 52, fixedly connected with first motor 57 on the mounting panel 55, the output shaft of first motor 57 and threaded rod 56 fixed connection start first motor 57, the output shaft of first motor 57 drives threaded rod 56 rotation, can make the operation more convenient, be provided with the slip round bar 58 in keeping away from the spout 51 of threaded rod 56, slip round bar 58 slides and inserts in a slider 52, the one end fixed connection of slip round bar 58 is on the mounting panel 55, the other end fixed connection of slip round bar 58 is at the lower inner wall of spout 51, a slider 52 is spacing to slide on slip round bar 58, can further strengthen the stability that the arm festival body 2 removed.
Referring to fig. 4, the two upright posts 1 are respectively provided with a limiting structure 6, the limiting structure 6 is mainly composed of a fixed block 61, the fixed block 61 is fixedly connected to the upper end of the upright post 1, a rectangular groove 62 is formed in the fixed block 61, two limiting plates 63 are slidably connected to the rectangular groove 62, a limiting post 64 is fixedly connected to the limiting plates 63, a limiting hole 65 is formed in the sliding block 52, the limiting post 64 is matched with the limiting hole 65 in size, when the arm joint body 2 ascends to the highest point to work, the two limiting plates 63 can slide, the two limiting posts 64 are inserted into the limiting hole 65, the sliding block 52 is further limited, the stability of the sliding block 52 is further enhanced, a bidirectional screw 66 is rotatably connected to the rectangular groove 62, two sections of threads of the bidirectional screw 66 are opposite in direction, the bidirectional screw 66 is in threaded connection with the two limiting plates 63, when the bidirectional screw 66 rotates in the rectangular groove 62, the bidirectional screw 66 drives the two limiting plates 63 to slide, and when the two sections of the bidirectional screw 66 rotate in opposite directions, the two sections of the bidirectional screw 66 rotate, the two limiting plates 63 are close to each other or the two sections of the bidirectional screw 66 are far away from each other, the second output shaft 67 is further fixed, and the second output shaft 67 is further connected to the second output shaft 67 is fixedly connected to the second output shaft 67.
The working principle is that two upright posts 1 are respectively fixed on two sides of an article to be lifted, the position of a lifting mechanism 3 is adjusted to enable a hook 4 to be positioned right above the article, the lifting mechanism 3 is started again to enable the hook 4 to descend, the article is lifted, when the arm section body 2 or the lifting mechanism 3 breaks down, two sliding blocks 52 can slide downwards to drive the arm section body 2 to slide downwards, the maintenance of the arm section body is convenient for a worker, the problem that the arm section in a general lifting arm is fixedly connected to the upper end of a supporting arm in a welding or threaded connection mode is avoided, when the arm section and the lifting mechanism 3 on the arm section break down, the worker needs to lift to be positioned at the same height with the arm section through other equipment, then the arm section and the lifting mechanism 3 are maintained, the situation that the operation is complicated and the safety is low is caused, two sliding blocks 54 slide in a sliding groove 53 in a limiting mode respectively, the arm segment body 2 can move more stably, the sliding block 52 can slide in the sliding groove 51 in a limiting way, when the threaded rod 56 is rotated, the threaded rod 56 drives the sliding block 52 to move up and down, the threaded rod 56 can play a limiting role on the sliding block 52, the first motor 57 is started, the output shaft of the first motor 57 drives the threaded rod 56 to rotate, the operation can be more convenient, one sliding block 52 slides on the sliding round rod 58 in a limiting way, the moving stability of the arm segment body 2 can be further enhanced, when the arm segment body 2 ascends to the highest point to work, the two limiting plates 63 can slide, the two limiting posts 64 are inserted into the limiting holes 65, the sliding block 52 is further limited, the stability of the sliding block 52 is further enhanced, and when the two limiting plates 63 slide in the rectangular groove 62 in a limiting way, the two limiting plates 63 slide when the two limiting plates 66 are rotated, because the directions of the two sections of threads of the bidirectional screw 66 are opposite, when the bidirectional screw 66 is rotated, the two limiting plates 63 are close to each other or far away from each other, so that the limiting effect on the sliding block 52 is enhanced, the second motor 67 is started, and the output shaft of the second motor 67 drives the bidirectional screw 66 to rotate, so that the convenience of operation is improved.
While the utility model has been described in terms of what are presently considered to be the most practical and preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the utility model, as defined by the appended claims, as long as the scope of the utility model is defined by the following claims, and by the following claims, unless otherwise specified and limited by the context of the utility model; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Claims (8)
1. The utility model provides a combination arm festival of lifting arm, includes two stand (1), its characterized in that: the two stand columns (1) are provided with arm section bodies (2) together, sliding connection has lifting mechanism (3) on the arm section bodies (2), fixedly connected with hooks (4) on the lifting mechanism (3), two be provided with regulation structure (5) jointly between stand column (1) and the arm section bodies (2), regulation structure (5) mainly comprises two spout (51), two spout (51) are seted up respectively on stand column (1), two in spout (51) sliding connection has slider (52), two in slider (52) are fixedly connected with respectively the both ends of arm section bodies (2).
2. The jointed arm segment of a crane arm according to claim 1, wherein: sliding grooves (53) are respectively formed in two sides of the sliding block (52), sliding blocks (54) are fixedly connected to inner walls of two sides of the sliding groove (51), and the sliding grooves (53) are in sliding connection with the sliding blocks (54).
3. The jointed arm segment of a crane boom according to claim 2, wherein: the novel sliding block comprises a sliding block (52) and is characterized in that a mounting plate (55) is fixedly connected to the upright (1), a threaded rod (56) is rotatably connected to the mounting plate (55), one end of the threaded rod (56) is rotatably connected to the lower inner wall of the sliding block (51), and the threaded rod (56) is inserted into the sliding block in a threaded mode.
4. A modular boom section for a crane boom according to claim 3, wherein: the mounting plate (55) is fixedly connected with a first motor (57), and an output shaft of the first motor (57) is fixedly connected with the threaded rod (56).
5. The boom segment of claim 4, wherein: the sliding groove (51) far away from the threaded rod (56) is internally provided with a sliding round rod (58), the sliding round rod (58) is slidably inserted into one sliding block (52), one end of the sliding round rod (58) is fixedly connected to the mounting plate (55), and the other end of the sliding round rod (58) is fixedly connected to the lower inner wall of the sliding groove (51).
6. The boom segment of claim 5, wherein: two be provided with limit structure (6) on stand (1) respectively, limit structure (6) mainly comprises fixed block (61), fixed block (61) fixed connection is in the upper end of stand (1), rectangular channel (62) have been seted up on fixed block (61), sliding connection has two limiting plates (63) in rectangular channel (62), fixedly connected with spacing post (64) on limiting plate (63), spacing hole (65) have been seted up on slider (52), spacing post (64) with spacing hole (65) size looks adaptation.
7. The boom segment of claim 6, wherein: the rectangular groove (62) is rotationally connected with a bidirectional screw rod (66), two sections of threads of the bidirectional screw rod (66) are opposite in direction, and the bidirectional screw rod (66) is in threaded connection with the two limiting plates (63) respectively.
8. The boom segment of claim 7, wherein: one side of the fixed block (61) is fixedly connected with a second motor (67), and an output shaft of the second motor (67) is fixedly connected with the bidirectional screw rod (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323379214.8U CN221625682U (en) | 2023-12-12 | 2023-12-12 | Combined arm section of crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323379214.8U CN221625682U (en) | 2023-12-12 | 2023-12-12 | Combined arm section of crane boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221625682U true CN221625682U (en) | 2024-08-30 |
Family
ID=92479903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323379214.8U Active CN221625682U (en) | 2023-12-12 | 2023-12-12 | Combined arm section of crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221625682U (en) |
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2023
- 2023-12-12 CN CN202323379214.8U patent/CN221625682U/en active Active
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