CN221027312U - High-strength arm support structure of automobile crane - Google Patents
High-strength arm support structure of automobile crane Download PDFInfo
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- CN221027312U CN221027312U CN202322862075.8U CN202322862075U CN221027312U CN 221027312 U CN221027312 U CN 221027312U CN 202322862075 U CN202322862075 U CN 202322862075U CN 221027312 U CN221027312 U CN 221027312U
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- 238000007789 sealing Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile cranes. The utility model discloses a high-strength arm support structure of an automobile crane, which comprises a support frame and a movable frame, wherein a movable assembly for adjusting the movable frame is arranged in an inner cavity of the support frame, mounting blocks are bolted to the front surface and the back surface of the top of the movable frame, a rotating block is rotatably connected to one opposite side of each mounting block through a rotating shaft, a fixed seat is bolted to the right side of each rotating block, an adjusting assembly is arranged in the inner cavity of each fixed seat, the heights of the fixed seat and a telescopic rod are conveniently adjusted through the cooperation of a first motor, a connecting shaft, a driving gear, a driven gear, a screw rod and a threaded sleeve, the movable frame is conveniently contracted when the movable frame is not used, the occupied space is small, the position of the telescopic rod is conveniently adjusted through the cooperation of a second motor, a threaded rod and the threaded block, the length of the arm support is conveniently adjusted, and the telescopic rod is moved onto the fixed seat when the movable frame is not used, and the occupied space is small.
Description
Technical Field
The utility model relates to the technical field of automobile cranes, in particular to a high-strength arm support structure of an automobile crane.
Background
The automobile crane is a crane installed on a common automobile chassis or a special automobile chassis, and a driving cab and a lifting control cab of the crane are arranged separately.
Through retrieval, application number CN202020768461.4 discloses an automobile crane boom device, the utility model pulls a limiting pull rod through a first traction oil cylinder, pulls a hanging frame through a second traction oil cylinder so that a roll shaft can be kept stable, pulls a lifting hook through a lifting oil cylinder to enter a mounting hole, can effectively prevent the lifting hook from swinging, limits the swing of a boom body through arranging a limiting support seat, can greatly reduce the occurrence of accidents through limiting the swing of the lifting hook and the boom body, and has higher safety.
The device still has the following drawbacks: the crane arm support is fixed in size, the length and the height cannot be adjusted according to the use requirement, and the occupied area is large.
Accordingly, one skilled in the art provides a high strength boom structure for an automotive crane to solve the above-mentioned problems of the prior art.
Disclosure of utility model
The utility model aims to provide a high-strength arm support structure of an automobile crane, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength cantilever crane structure of mobile crane, includes support frame and movable frame, the inner chamber of support frame is provided with the removal subassembly that is used for adjusting movable frame, the front and the back at movable frame top all bolt have the installation piece, and the installation piece is in opposite directions one side and rotate through the pivot and be connected with the dwang, the right side bolt of dwang has the fixing base, the inner chamber of fixing base is provided with adjusting part, logical groove has been seted up at the top of fixing base, the top of adjusting part runs through the groove and the bolt has the telescopic link.
As a further scheme of the utility model: the movable assembly comprises a first motor, a connecting shaft, a driving gear, a driven gear, a screw rod and a thread bush, wherein the first motor is bolted to the right side of the support frame, the connecting shaft is fixedly connected with the output shaft of the first motor, the left side of the connecting shaft is rotationally connected with the left bottom of the inner cavity of the support frame through a bearing, the driving gear is sequentially connected with the surface of the connecting shaft from left to right in a key manner, the driven gear is meshed with the top of the driving gear, the screw rod is connected with the inner cavity of the driven gear in a key manner, the thread bush is screwed on the surface of the screw rod, one side of the thread bush opposite to the bottom of the movable frame is bolted to the top of the inner cavity of the support frame, the top of the screw rod is rotationally connected with the two sides of the inner cavity of the support frame through bearings, the bottoms of the two sides of the inner cavity of the support frame are both sides are bolted with mounting plates, and the two sides of the top of the mounting plate are rotationally connected with the surface of the screw rod through bearings.
As still further aspects of the utility model: the adjusting component comprises a second motor, a threaded rod and a threaded block, wherein the second motor is bolted to the left side of the inner cavity of the fixed seat, the threaded rod is fixedly connected with the output shaft of the second motor, the right side of the threaded rod is rotationally connected with the right side of the inner cavity of the fixed seat through a bearing, the threaded block is connected with the surface of the threaded rod in a threaded manner, the fixed rod is bolted to the top of the threaded block, and the top of the fixed rod penetrates through the groove and is bolted to the bottom of the telescopic rod.
As still further aspects of the utility model: the right side of the movable frame is rotationally connected with a hydraulic cylinder through a movable seat, and a piston rod of the hydraulic cylinder is rotationally connected with the bottom of the fixed seat through the movable seat.
As still further aspects of the utility model: the two sides of the inner cavity of the support frame are provided with first sliding grooves, the inner cavity of each first sliding groove is connected with a first sliding block in a sliding mode, and one opposite side of each first sliding block is bolted with one side, far away from the movable frame, of each threaded sleeve.
As still further aspects of the utility model: the bottom of fixing base inner chamber has seted up the second spout, the inner chamber sliding connection of second spout has the second slider, and the top of second slider and the bottom bolt of screw thread piece.
As still further aspects of the utility model: the center of the top of the inner cavity of the support frame is adhered with a sealing gasket, and the inner side of the sealing gasket is contacted with the surface of the movable frame.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the first motor, the connecting shaft, the driving gear, the driven gear, the screw rod and the threaded sleeve are matched, so that the heights of the fixed seat and the telescopic rod can be conveniently adjusted, the movable frame is contracted when the telescopic rod is not used, and the occupied space is small.
2. According to the telescopic boom, the position of the telescopic boom is conveniently adjusted through the cooperation of the second motor, the threaded rod and the threaded block, the length of the boom is adjusted, and when the telescopic boom is not used, the telescopic boom is moved to the fixed seat, so that the occupied space is small.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 2A according to the present utility model;
Fig. 4 is an enlarged view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a support frame; 2. a moving rack; 3. a moving assembly; 31. a first motor; 32. a connecting shaft; 33. a drive gear; 34. a driven gear; 35. a screw rod; 36. a thread sleeve; 4. a rotating block; 5. a fixing seat; 6. an adjustment assembly; 61. a second motor; 62. a threaded rod; 63. a screw block; 7. a telescopic rod; 8. a hydraulic cylinder; 9. a first chute; 10. and a first chute.
Detailed Description
Referring to fig. 1-4, a high-strength cantilever crane structure of an automobile crane comprises a supporting frame 1 and a movable frame 2, wherein a movable assembly 3 for adjusting the movable frame 2 is arranged in an inner cavity of the supporting frame 1, an installation block is bolted to the front surface and the back surface of the top of the movable frame 2, a rotating block 4 is rotatably connected to one side of the installation block opposite to the installation block through a rotating shaft, a fixing seat 5 is bolted to the right side of the rotating block 4, an adjusting assembly 6 is arranged in the inner cavity of the fixing seat 5, a through groove is formed in the top of the fixing seat 5, and a telescopic rod 7 is bolted to the top of the adjusting assembly 6 through the through groove.
Specifically, remove subassembly 3 includes first motor 31, connecting axle 32, driving gear 33, driven gear 34, lead screw 35 and thread bush 36, the right side bolt of support frame 1 has first motor 31, the output shaft fixedly connected with connecting axle 32 of first motor 31, the left side of connecting axle 32 is rotated with the left bottom of support frame 1 inner chamber left through the bearing and is connected, the surface of connecting axle 32 is from left to right all in proper order key connection has driving gear 33, the top meshing of driving gear 33 has driven gear 34, the inner chamber key-connection of driven gear 34 has lead screw 35, lead screw 35 surface threaded connection has thread bush 36, the opposite one side of thread bush 36 and the bottom of removing the frame 2 both sides are connected through the bearing and are rotated at the both sides at support frame 1 inner chamber top, the bottom of support frame 1 inner chamber both sides all bolt has the mounting panel, and the both sides at mounting panel top are all rotated with the surface of lead screw 35 through the bearing and are connected.
Through the technical scheme, the height of the arm support can be adjusted according to actual use conditions, and the occupied space is small.
Specifically, the adjusting component 6 includes second motor 61, threaded rod 62 and screw thread piece 63, and the left side bolt of fixing base 5 inner chamber has second motor 61, and the output shaft fixedly connected with threaded rod 62 of second motor 61, the right side of threaded rod 62 is rotated with the right side of fixing base 5 inner chamber through the bearing and is connected, and the surface threaded connection of threaded rod 62 has screw thread piece 63, and the top bolt of screw thread piece 63 has the dead lever, and the top of dead lever runs through the trough and with the bottom bolt of telescopic link 7.
Through the technical scheme, the length of the arm support can be adjusted according to actual use conditions, and the occupied space is small.
Specifically, the right side of the movable frame 2 is rotatably connected with a hydraulic cylinder 8 through a movable seat, and a piston rod of the hydraulic cylinder 8 is rotatably connected with the bottom of the fixed seat 5 through the movable seat.
Through above-mentioned technical scheme, drive fixing base 5 rotation, can adjust the angle of fixing base 5, facilitate the use.
Specifically, the two sides of the inner cavity of the support frame 1 are provided with the first sliding grooves 9, the inner cavity of the first sliding grooves 9 is slidably connected with the first sliding blocks, and one opposite side of the first sliding blocks is bolted with one side of the threaded sleeve 36 away from the movable frame 2.
Through the technical scheme, the thread bush 36 is limited, and the thread bush 36 is prevented from rotating along with the screw rod 35.
Specifically, the bottom of fixing base 5 inner chamber has seted up second spout 10, and the inner chamber sliding connection of second spout 10 has the second slider, and the top of second slider and the bottom bolt of screw thread piece 63.
Through the above technical scheme, the thread block 63 is limited, and the thread block 63 is prevented from rotating along with the threaded rod 62.
Specifically, a sealing gasket is adhered to the center of the top of the inner cavity of the support frame 1, and the inner side of the sealing gasket is in contact with the surface of the movable frame 2.
Through above-mentioned technical scheme, improved fixing base 5's leakproofness.
The working principle of the utility model is as follows: when the height needs to be adjusted, a user starts the first motor 31, the first motor 31 drives the connecting shaft 32 to rotate, so that the driving gear 33 is driven to rotate, then the driven gear 34 drives the screw rod 35 to rotate, at the moment, the screw rod 35 drives the threaded sleeve 36 to move upwards, so that the movable frame 2 is driven to move upwards, the user starts the hydraulic cylinder 8, the hydraulic cylinder 8 drives the fixed seat 5 to rotate, when the length needs to be adjusted, the user starts the second motor 61, the second motor 61 drives the threaded rod 62 to rotate, at the moment, the threaded rod 62 drives the threaded block 63 to move rightwards, and the threaded block 63 drives the telescopic rod 7 to move rightwards through the fixed rod.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (7)
1. The utility model provides a high strength cantilever crane structure of mobile crane, includes support frame (1) and movable frame (2), its characterized in that: the inner chamber of support frame (1) is provided with and is used for adjusting removal subassembly (3) of removing frame (2), the front and the back at removal frame (2) top all bolt have the installation piece, and the one side that the installation piece is in opposite directions is rotated through the pivot and is connected with rotating block (4), the right side bolt of rotating block (4) has fixing base (5), the inner chamber of fixing base (5) is provided with adjusting part (6), logical groove has been seted up at the top of fixing base (5), the top of adjusting part (6) is passed through the groove and is bolted with telescopic link (7).
2. The high-strength boom structure of an automobile crane according to claim 1, wherein: the utility model provides a movable assembly (3) is including first motor (31), connecting axle (32), driving gear (33), driven gear (34), lead screw (35) and thread bush (36), the right side bolt of support frame (1) has first motor (31), the output shaft fixedly connected with connecting axle (32) of first motor (31), the left side of connecting axle (32) is rotated with the bottom of support frame (1) inner chamber left side through the bearing and is connected, the surface of connecting axle (32) is from a left side to the right side all key-type connection have driving gear (33) in proper order, the top meshing of driving gear (33) has driven gear (34), the inner chamber key-type connection of driven gear (34) has lead screw (35), lead screw (35) surface threaded connection has thread bush (36), the bottom bolt of one side and movable frame (2) both sides in opposite directions, the top of lead screw (35) is rotated with the both sides of support frame (1) inner chamber top through the bearing and is connected, the bottom of support frame (1) inner chamber both sides all is connected with mounting panel and the surface of mounting panel through the bearing (35) that rotates.
3. The high-strength boom structure of an automobile crane according to claim 1, wherein: the adjusting component (6) comprises a second motor (61), a threaded rod (62) and a threaded block (63), wherein the second motor (61) is bolted to the left side of the inner cavity of the fixed seat (5), the threaded rod (62) is fixedly connected with the output shaft of the second motor (61), the right side of the threaded rod (62) is rotationally connected with the right side of the inner cavity of the fixed seat (5) through a bearing, the threaded block (63) is connected with the surface of the threaded rod (62) through threads, the fixed rod is bolted to the top of the threaded block (63), and the top of the fixed rod penetrates through the groove and is bolted to the bottom of the telescopic rod (7).
4. The high-strength boom structure of an automobile crane according to claim 1, wherein: the right side of the movable frame (2) is rotationally connected with a hydraulic cylinder (8) through a movable seat, and a piston rod of the hydraulic cylinder (8) is rotationally connected with the bottom of the fixed seat (5) through the movable seat.
5. The high-strength boom structure of an automobile crane according to claim 1, wherein: the two sides of the inner cavity of the supporting frame (1) are provided with first sliding grooves (9), the inner cavity of each first sliding groove (9) is connected with a first sliding block in a sliding mode, and one opposite side of each first sliding block is bolted with one side, far away from the moving frame (2), of the threaded sleeve (36).
6. The high-strength boom structure of an automobile crane according to claim 1, wherein: the bottom of fixing base (5) inner chamber has seted up second spout (10), the inner chamber sliding connection of second spout (10) has the second slider, and the top of second slider and the bottom bolt of screw thread piece (63).
7. The high-strength boom structure of an automobile crane according to claim 1, wherein: the center of the top of the inner cavity of the supporting frame (1) is adhered with a sealing gasket, and the inner side of the sealing gasket is contacted with the surface of the movable frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322862075.8U CN221027312U (en) | 2023-10-25 | 2023-10-25 | High-strength arm support structure of automobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322862075.8U CN221027312U (en) | 2023-10-25 | 2023-10-25 | High-strength arm support structure of automobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027312U true CN221027312U (en) | 2024-05-28 |
Family
ID=91171909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322862075.8U Active CN221027312U (en) | 2023-10-25 | 2023-10-25 | High-strength arm support structure of automobile crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027312U (en) |
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2023
- 2023-10-25 CN CN202322862075.8U patent/CN221027312U/en active Active
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