CN211338589U - Telescopic crane boom - Google Patents
Telescopic crane boom Download PDFInfo
- Publication number
- CN211338589U CN211338589U CN201922027459.1U CN201922027459U CN211338589U CN 211338589 U CN211338589 U CN 211338589U CN 201922027459 U CN201922027459 U CN 201922027459U CN 211338589 U CN211338589 U CN 211338589U
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- China
- Prior art keywords
- fixedly connected
- telescopic link
- horizontal
- telescopic
- crane boom
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a telescopic hoist cantilever crane, the on-line screen storage device comprises an installation base, installation base upper end fixedly connected with lift cylinder, the perpendicular telescopic link of lift cylinder upper end fixedly connected with, installation base upper end lift cylinder outside fixedly connected with vertical fixation pole, perpendicular telescopic link upper end right side is rotated through the rolling pin and is connected with horizontal fixation pole. This telescopic crane boom, cooperation through perpendicular telescopic link and lift cylinder is used, be convenient for highly adjust crane boom, improve the practicality and the application range of hoist, and when not using, can contract, occupation space does not, through horizontal telescopic link, the cooperation of gear and rack is used, the flexible of horizontal telescopic link in the sliding tray of being convenient for, stable in structure, stability and security when improving perpendicular telescopic link and reciprocating, the revolving cylinder who adds, can adjust the angle between horizontal dead lever and perpendicular telescopic link, it is more convenient to use.
Description
Technical Field
The utility model relates to a hoisting equipment technical field specifically is a telescopic crane boom.
Background
The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, and the crane has the working characteristic of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the crane is more and more widely developed and used in the market.
Along with the continuous development of the crane industry, more and more enterprises are added into the crane industry, and as the basic structure of the crane, the use of the crane boom is indispensable, but the general size of the existing crane boom is fixed, the occupied area is large, the length and the height can not be adjusted according to the use requirement, and the effective working stroke of the crane is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a telescopic crane jib to it is fixed to provide the size in solving above-mentioned background art, and area is great, can not carry out length and height's regulation according to the needs that use, the limited problem of hoist effective working stroke.
In order to achieve the above object, the utility model provides a following technical scheme: the telescopic crane boom comprises an installation base, wherein a lifting cylinder is fixedly connected to the upper end of the installation base, a vertical telescopic rod is fixedly connected to the upper end of the lifting cylinder, a vertical fixing rod is fixedly connected to the outer side of the lifting cylinder on the upper end of the installation base, and a horizontal fixing rod is rotatably connected to the right side of the upper end of the vertical telescopic rod through a rotating pin.
Preferably, a sliding groove is formed in the upper end of the horizontal fixing rod, a horizontal telescopic rod is connected in the sliding groove in a sliding mode, a rack is fixedly connected to the rear end of the horizontal telescopic rod, and the length of the sliding groove is larger than half of the length of the horizontal fixing rod.
Preferably, the rear end of the horizontal fixing rod is fixedly connected with a servo motor, the outer side of the upper end of the servo motor is fixedly connected with a gear, the gear is meshed with a rack, and the length of the rack is smaller than that of the sliding groove.
Preferably, the lower end of the horizontal fixed rod and the right end of the vertical telescopic rod are fixedly connected with a U-shaped connecting rod, the outer side of the U-shaped connecting rod is rotatably connected with a circular ring, and a rotary cylinder is fixedly connected between the circular ring and the other circular ring.
Preferably, the outer side of the lower end of the vertical telescopic rod is fixedly connected with guide blocks which are arranged in a bilateral symmetry mode, the inner side of the vertical fixing rod is provided with guide grooves in a bilateral symmetry mode, and the guide blocks and the guide grooves are in sliding connection.
Preferably, the upper end of the mounting base is provided with counterbores which are symmetrically arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the telescopic crane boom is matched with the vertical telescopic rod and the lifting cylinder for use, so that the height of the crane boom is convenient to adjust, the practicability and the application range of the crane are improved, and the telescopic crane boom can be contracted when not in use, so that the space is not occupied;
2. the telescopic crane boom is convenient for the telescopic of the horizontal telescopic rod in the sliding groove through the matching use of the horizontal telescopic rod, the gear and the rack, has a stable structure and is convenient to operate;
3. this telescopic crane boom uses through the cooperation of guiding hole and guide way, improves stability and security when perpendicular telescopic link reciprocates, and the revolving cylinder who adds can adjust the angle between horizontal fixation pole and perpendicular telescopic link, and it is more convenient to use.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the top view structure of the present invention.
In the figure: 1. installing a base; 2. a lifting cylinder; 3. a vertical telescopic rod; 4. a vertical fixing rod; 5. a rotation pin; 6. a horizontal fixing rod; 7. a sliding groove; 8. a horizontal telescopic rod; 9. a rack; 10. a servo motor; 11. a gear; 12. a U-shaped connecting rod; 13. a circular ring; 14. a rotating cylinder; 15. a guide block; 16. a guide groove; 17. a counterbore.
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 telescopic crane boom comprises an installation base 1, a lifting cylinder 2, a vertical telescopic rod 3, a vertical fixed rod 4, a rotating pin 5, a horizontal fixed rod 6, a sliding groove 7, a horizontal telescopic rod 8, a rack 9, a servo motor 10, a gear 11, a U-shaped connecting rod 12, a ring 13, a rotating cylinder 14, a guide block 15, a guide groove 16 and a counter bore 17, wherein the upper end of the installation base 1 is fixedly connected with the lifting cylinder 2, the upper end of the lifting cylinder 2 is fixedly connected with the vertical telescopic rod 3, the outer side of the lifting cylinder 2 at the upper end of the installation base 1 is fixedly connected with the vertical fixed rod 4, and the right side of the upper end of the vertical telescopic rod 3 is rotatably connected with;
furthermore, a sliding groove 7 is formed in the upper end of the horizontal fixing rod 6, a horizontal telescopic rod 8 is connected in the sliding groove 7 in a sliding mode, a rack 9 is fixedly connected to the rear end of the horizontal telescopic rod 8, the length of the sliding groove 7 is larger than half of the length of the horizontal fixing rod 6, the horizontal telescopic rod 8 is guaranteed to have a sufficient adjusting range, and the practicability of the crane is improved;
furthermore, a servo motor 10 is fixedly connected to the rear end of the horizontal fixing rod 6, a gear 11 is fixedly connected to the outer side of the upper end of the servo motor 10, the gear 11 is in meshed connection with a rack 9, the length of the rack 9 is smaller than that of the sliding groove 7, the gear 11 and the rack 9 are used in a matched mode, sliding of the horizontal telescopic rod 8 in the sliding groove 7 is facilitated, transmission is achieved through the gear 11 and the rack 9, stability is higher, and safety is higher;
furthermore, the lower end of the horizontal fixed rod 6 and the right end of the vertical telescopic rod 3 are both fixedly connected with a U-shaped connecting rod 12, the outer side of the U-shaped connecting rod 12 is rotatably connected with a circular ring 13, a rotary cylinder 14 is fixedly connected between the circular ring 13 and the other circular ring 13, and the horizontal fixed rod 6 can be pushed to rotate through the design of the rotary cylinder 14, so that the operation of the crane is facilitated;
furthermore, the outer side of the lower end of the vertical telescopic rod 3 is fixedly connected with guide blocks 15 which are arranged in a bilateral symmetry mode, the inner side of the vertical fixing rod 4 is provided with guide grooves 16 which are arranged in a bilateral symmetry mode, the guide blocks 15 and the guide grooves 16 are in sliding connection, and the stability of the vertical telescopic rod 3 in the vertical fixing rod 4 during up-down movement is enhanced through the design of the guide blocks 15 and the guide grooves 16;
furthermore, counter bores 17 are symmetrically arranged at the upper end of the mounting base 1, and the mounting base 1 can be fixed through the counter bores 17, so that the normal work of the crane boom is ensured.
The working principle is as follows: firstly, fixing a mounting base 1 through a counter bore 17, when the height of an arm support needs to be increased, opening a lifting cylinder 2 to extend upwards, enabling the lifting cylinder 2 to push a vertical telescopic rod 3 upwards, enabling guide blocks 15 at the left end and the right end of the vertical telescopic rod 3 to slide upwards in a guide groove 16 on the inner side of a vertical fixing rod 4, stopping at a proper height, when the length needs to be adjusted, opening a servo motor 10 to rotate reversely, enabling the servo motor 10 to drive a gear 11 to rotate anticlockwise, enabling the gear 11 to drive a rack 9 to move rightwards, enabling a horizontal telescopic rod 8 at the front end of the rack 9 to move rightwards in a sliding groove 7, adjusting the length of the arm support of the crane, closing the servo motor 10 after reaching a specified position, then performing lifting operation, rotating the horizontal fixing rod 6 by extending or shortening a rotary cylinder 14, enabling a circular ring 13 at two ends of the rotary cylinder 14, thereby adjust the contained angle between horizontal fixation pole 6 and vertical telescopic rod 3, the better operation of being convenient for, when will accomodate at last, the step just right back operation can be withdrawed vertical telescopic rod 3 and horizontal telescopic rod 8.
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 telescopic crane jib, includes the installation base, its characterized in that: the installation base upper end fixedly connected with lift cylinder, lift cylinder upper end fixedly connected with perpendicular telescopic link, installation base upper end lift cylinder outside fixedly connected with perpendicular dead lever, perpendicular telescopic link upper end right side is rotated through the rotating pin and is connected with horizontal fixed rod.
2. The telescopic crane boom of claim 1, wherein: the sliding groove has been seted up to horizontal fixed rod upper end, sliding connection has horizontal telescopic link in the sliding groove, horizontal telescopic link rear end fixedly connected with rack, the length of sliding groove is greater than half of horizontal fixed rod length.
3. The telescopic crane boom of claim 2, wherein: the rear end of the horizontal fixing rod is fixedly connected with a servo motor, the outer side of the upper end of the servo motor is fixedly connected with a gear, the gear is meshed with a rack, and the length of the rack is smaller than that of the sliding groove.
4. The telescopic crane boom of claim 1, wherein: the lower end of the horizontal fixed rod and the right end of the vertical telescopic rod are fixedly connected with a U-shaped connecting rod, the outer side of the U-shaped connecting rod is rotatably connected with a circular ring, and a rotary cylinder is fixedly connected between the circular ring and another circular ring.
5. The telescopic crane boom of claim 1, wherein: the guide block that the bilateral symmetry set up is fixedly connected with in the perpendicular telescopic link lower extreme outside, the guide way of bilateral symmetry is seted up to perpendicular dead lever inboard, guide block and guide way are sliding connection.
6. The telescopic crane boom of claim 1, wherein: the upper end of the mounting base is provided with counterbores which are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027459.1U CN211338589U (en) | 2019-11-22 | 2019-11-22 | Telescopic crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027459.1U CN211338589U (en) | 2019-11-22 | 2019-11-22 | Telescopic crane boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338589U true CN211338589U (en) | 2020-08-25 |
Family
ID=72103939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922027459.1U Expired - Fee Related CN211338589U (en) | 2019-11-22 | 2019-11-22 | Telescopic crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338589U (en) |
-
2019
- 2019-11-22 CN CN201922027459.1U patent/CN211338589U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |