CN217894976U - Stabilizing structure for crane - Google Patents
Stabilizing structure for crane Download PDFInfo
- Publication number
- CN217894976U CN217894976U CN202221731720.1U CN202221731720U CN217894976U CN 217894976 U CN217894976 U CN 217894976U CN 202221731720 U CN202221731720 U CN 202221731720U CN 217894976 U CN217894976 U CN 217894976U
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- hydraulic cylinder
- beam pipe
- cylinder
- supporting
- pipe
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Abstract
The utility model relates to the technical field of cranes, and discloses a stable structure for a crane, which comprises a beam pipe, a supporting beam, a bidirectional hydraulic cylinder, a main hydraulic cylinder, a side hydraulic cylinder and a small hydraulic cylinder; the two ends of the beam pipe are respectively connected with a supporting beam in a sliding mode, the two-way hydraulic cylinder is installed in the middle of the interior of the beam pipe, output shafts at the two ends of the two-way hydraulic cylinder are respectively connected with one ends of the two supporting beams, and the main hydraulic cylinder is installed at the other end of each supporting beam. This firm structure for hoist installs on the chassis of vehicle, and it is ejecting with a supporting beam through two-way pneumatic cylinder for a supporting beam extends from the beam pipe, utilizes the output shaft and the ground contact of master cylinder, and small-size pneumatic cylinder promotes the side pneumatic cylinder rotation, makes it and beam pipe keep perpendicular, and lets the output shaft and the ground contact of side pneumatic cylinder, so the both ends of beam pipe are through the leading-in ground of side pneumatic cylinder with pressure, reduce the pressure at the both ends of beam pipe.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a stable structure for hoist.
Background
The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects in a certain range, at present, in order to move conveniently, the crane is combined with an automobile to form a crane truck, and the crane truck mainly comprises a lifting mechanism, an amplitude variation mechanism, a swing mechanism, a hoisting mechanism, a metal structure, an automobile chassis and the like.
The hoisting mechanism is the basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system. The amplitude variation mechanism is only arranged on the jib crane, the amplitude of the jib crane is reduced when the jib crane is lifted up, the amplitude of the jib crane is increased when the jib crane is lifted down, and the jib crane is divided into a balanced amplitude variation mode and a non-balanced amplitude variation mode. The slewing mechanism is used for slewing the arm support and consists of a driving device and a slewing bearing structure.
In order to balance a crane body, a hydraulic stabilizing frame is arranged on a chassis of the crane, and the hydraulic stabilizing frame extends to be in contact with the ground during working, so that the stability of the crane is enhanced.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model provides a stable structure is used to hoist.
The utility model provides a following technical scheme: a firm structure for a crane comprises a beam pipe, a supporting beam, a bidirectional hydraulic cylinder, a main hydraulic cylinder, a side hydraulic cylinder and a small hydraulic cylinder;
two ends of the beam pipe are respectively connected with a supporting beam in a sliding manner, the two-way hydraulic cylinder is arranged in the middle of the inside of the beam pipe, output shafts at two ends of the two-way hydraulic cylinder are respectively connected with one end of each of the two supporting beams, and a main hydraulic cylinder is arranged at the other end of each of the supporting beams;
the bottoms of the two ends of the beam pipe are respectively connected with the fixed ends of the side hydraulic cylinders through rotating shafts, the output shaft of the small hydraulic cylinder is rotatably connected with the side surfaces of the side hydraulic cylinders through the rotating shafts, and the fixed ends of the small hydraulic cylinders are rotatably connected with the beam pipe through the rotating shafts;
and base plates are arranged on the output shafts of the main hydraulic cylinder and the side hydraulic cylinder.
Preferably, the other end of the supporting beam is provided with a base, the main hydraulic cylinder is arranged in the base, and the output shaft of the main hydraulic cylinder extends out of the bottom end of the base.
Preferably, the middle access hole of the beam pipe is provided with a cover plate through a bolt.
Preferably, in the initial state of the small hydraulic cylinder, the side hydraulic cylinder is parallel to the beam pipe, and when the small hydraulic cylinder reaches the terminal state, the side hydraulic cylinder is perpendicular to the beam pipe.
Preferably, in the initial state of the bidirectional hydraulic cylinder, the support beam is positioned inside the beam pipe.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this firm structure for hoist installs on the chassis of vehicle, it is ejecting with a supporting beam through two-way pneumatic cylinder, make a supporting beam extend from the beam pipe, utilize the output shaft and the ground contact of master cylinder, and small-size pneumatic cylinder promotes the side pneumatic cylinder rotatory, make it keep perpendicular with the beam pipe, and let the output shaft and the ground contact of side pneumatic cylinder, so the both ends of beam pipe are through the leading-in ground of side pneumatic cylinder with pressure, reduce the pressure at the both ends of beam pipe, avoid the beam pipe atress too big and lead to its deformation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a beam pipe; 2. a support beam; 3. a bidirectional hydraulic cylinder; 4. a master cylinder; 5. a lateral hydraulic cylinder; 6. a small hydraulic cylinder; 7. a base.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer and more fully described below with reference to the accompanying drawings of the embodiments of the present disclosure, and to keep the following description of the embodiments of the present disclosure clear and concise, the present disclosure omits detailed description of known functions and known components to avoid unnecessarily obscuring the concepts of the present disclosure.
Referring to fig. 1, a stable structure for a crane includes a beam pipe 1, a support beam 2, a bidirectional hydraulic cylinder 3, a main hydraulic cylinder 4, a side hydraulic cylinder 5, and a small hydraulic cylinder 6;
two ends of the beam pipe 1 are respectively connected with a supporting beam 2 in a sliding mode, the two-way hydraulic cylinder 3 is installed in the middle of the inside of the beam pipe 1, output shafts at two ends of the two-way hydraulic cylinder 3 are respectively connected with one ends of the two supporting beams 2, the main hydraulic cylinder 4 is installed at the other end of each supporting beam 2 and installed on a chassis of a vehicle, the supporting beams 2 are ejected out through the two-way hydraulic cylinder 3, the supporting beams 2 extend out of the beam pipe 1, and the output shafts of the main hydraulic cylinders 4 are in contact with the ground, so that the supporting beams 2 and the beam pipe 1 are supported.
The bottom at 1 both ends of beam pipe is installed the stiff end connection of side pneumatic cylinder 5 through the pivot respectively, the output shaft of small-size pneumatic cylinder 6 rotates through the pivot and the side of side pneumatic cylinder 5 to be connected, and the stiff end of small-size pneumatic cylinder 6 rotates through pivot and beam pipe 1 to be connected, install the backing plate on the output shaft of main hydraulic cylinder 4 and side pneumatic cylinder 5, small-size pneumatic cylinder 6 promotes side pneumatic cylinder 5 and rotates, makes it keep perpendicular with beam pipe 1 to let the output shaft and the ground contact of side pneumatic cylinder 5, so beam pipe 1's both ends are through the leading-in ground of side pneumatic cylinder 5 with pressure, reduce the pressure at beam pipe 1's both ends, avoid beam pipe 1 atress too big and lead to its deformation.
A base 7 is installed to supporting beam 2's the other end, and main hydraulic cylinder 4 installs in base 7, and main hydraulic cylinder 4's output shaft extends from the bottom of base 7, conveniently installs main hydraulic cylinder 4.
The middle access hole of the beam pipe 1 is provided with a cover plate through a bolt, and the two-way hydraulic cylinder 3 is conveniently installed and maintained through the access hole.
Under the initial state of the small hydraulic cylinder 6, the side hydraulic cylinder 5 is parallel to the beam pipe 1, when the small hydraulic cylinder 6 reaches the terminal state, the side hydraulic cylinder 5 is vertical to the beam pipe 1, the angle between the side hydraulic cylinder 5 and the beam pipe 1 is adjusted through the small hydraulic cylinder 6, the side hydraulic cylinder 5 and the beam pipe 1 are vertical to each other during work, the beam pipe 1 is supported through the side hydraulic cylinder 5, and the side hydraulic cylinder 5 is contracted at the bottom end of the beam pipe 1 during vehicle movement.
In the initial state of the two-way hydraulic cylinder 3, the supporting beam 2 is positioned inside the beam pipe 1, then the two supporting beams 2 are ejected out by the two-way hydraulic cylinder 3, and the distance between the two main hydraulic cylinders 4 is adjusted, so that the main hydraulic cylinders 4 support the two main hydraulic cylinders.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention which may occur to those skilled in the art and which fall within the spirit and scope of the invention should be considered as falling within the scope of the invention.
Claims (5)
1. The utility model provides a stable structure for hoist which characterized in that: comprises a beam pipe (1), a supporting beam (2), a bidirectional hydraulic cylinder (3), a main hydraulic cylinder (4), a side hydraulic cylinder (5) and a small hydraulic cylinder (6);
two ends of the beam pipe (1) are respectively connected with a supporting beam (2) in a sliding manner, the bidirectional hydraulic cylinder (3) is arranged in the middle of the inside of the beam pipe (1), output shafts at two ends of the bidirectional hydraulic cylinder (3) are respectively connected with one end of each of the two supporting beams (2), and the other end of each supporting beam (2) is provided with a main hydraulic cylinder (4);
the bottoms of the two ends of the beam pipe (1) are respectively connected with the fixed ends of the side hydraulic cylinders (5) through rotating shafts, the output shafts of the small hydraulic cylinders (6) are rotatably connected with the side surfaces of the side hydraulic cylinders (5) through the rotating shafts, and the fixed ends of the small hydraulic cylinders (6) are rotatably connected with the beam pipe (1) through the rotating shafts;
and cushion plates are arranged on output shafts of the main hydraulic cylinder (4) and the side hydraulic cylinder (5).
2. The stabilizing structure for a crane according to claim 1, wherein: a base (7) is installed at the other end of the supporting beam (2), a main hydraulic cylinder (4) is installed in the base (7), and an output shaft of the main hydraulic cylinder (4) extends out of the bottom end of the base (7).
3. The stabilizing structure for a crane according to claim 1, wherein: the middle access hole of the beam pipe (1) is provided with a cover plate through a bolt.
4. The stabilizing structure for a crane according to claim 1, wherein: under the initial state of the small hydraulic cylinder (6), the side hydraulic cylinder (5) is parallel to the beam pipe (1), and when the small hydraulic cylinder (6) reaches the terminal state, the side hydraulic cylinder (5) is vertical to the beam pipe (1).
5. The stabilizing structure for a crane according to claim 1, wherein: and in the initial state of the bidirectional hydraulic cylinder (3), the support beam (2) is positioned inside the beam pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221731720.1U CN217894976U (en) | 2022-07-05 | 2022-07-05 | Stabilizing structure for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221731720.1U CN217894976U (en) | 2022-07-05 | 2022-07-05 | Stabilizing structure for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217894976U true CN217894976U (en) | 2022-11-25 |
Family
ID=84135422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221731720.1U Active CN217894976U (en) | 2022-07-05 | 2022-07-05 | Stabilizing structure for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217894976U (en) |
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2022
- 2022-07-05 CN CN202221731720.1U patent/CN217894976U/en active Active
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