CN220596843U - Crane with one end capable of changing installation position - Google Patents

Abstract

The utility model relates to the technical field of cranes, in particular to a crane with one end capable of changing the installation position, which comprises a main upright post, a cross beam, an auxiliary upright post, a slewing mechanism, a lifting trolley and a positioning device; the main upright post is vertically fixed on the ground; one end of the cross beam is rotatably connected to the top end of the main upright post; the slewing mechanism is used for driving the cross beam to horizontally rotate by taking the main upright post as a rotation center; the auxiliary upright posts are vertically fixed on the ground respectively and are circumferentially arranged on the periphery of the main upright post; the positioning devices are provided with a plurality of positioning devices, the positioning devices are correspondingly arranged on the auxiliary upright posts respectively, and the positioning devices are used for positioning and connecting the other end of the cross beam to the top end of any auxiliary upright post; the characteristics of the bridge crane and the cantilever crane are combined, so that the cargo with heavy weight can be lifted, and the lifting range can be enlarged.

Description

Crane with one end capable of changing installation position

Technical Field

The utility model relates to the technical field of cranes, in particular to a crane with one end capable of changing an installation position.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying a weight within a certain range, also called a crown block, an aerial crane, a crane, and has various types. For example, bridge cranes are lifting devices that hoist material from workshops, warehouses, and yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane runs longitudinally along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, the material is not blocked by ground equipment, and the bridge frame is a hoisting machine with the widest application range and the largest number; the cantilever crane consists of a stand column, a rotary arm rotary driving device and a lifting trolley. The lower end of the upright post is fixed on a concrete foundation through an anchor bolt, the cycloidal pin gear speed reducer drives the cantilever to rotate, the lifting trolley linearly moves left and right on the cantilever I-beam, a heavy object is lifted, and the working strength of the cantilever crane is light.

The bridge crane and the cantilever crane differ in that: the main body structure of the bridge crane consists of one main beam and two struts, and the structure has the advantages of being capable of bearing larger lifting weight and span; the main structure of the cantilever crane consists of a main girder and a strut, and the structure has the advantages that the structure can realize larger lifting height and turning radius, and in addition, the lifting weights are different: the lifting capacity of the bridge crane is generally different from tens of tons to hundreds of tons, and some bridge cranes can even reach hundreds of tons; the lifting capacity of the cantilever crane is generally different from hundreds of kilograms to several tons and can reach more than ten tons at most. Therefore, for lifting light cargoes, a cantilever crane with a rotatable column and a rotatable beam can be selected, and for lifting heavy cargoes, a bridge crane is adopted.

Because the beam of the bridge crane is fixed when the cargoes with heavy weight are lifted, the cargoes need to be conveyed to the bottom of the beam for lifting when the cargoes are loaded and unloaded, and when the cargoes far away from the beam are lifted, the lifting range is required to be changed or a plurality of lifting devices are additionally arranged, so that the cargo loading and unloading efficiency of the crane is reduced, and the cargo loading and unloading cost is increased.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a crane with one end capable of changing the installation position, and the crane can hoist heavy goods and enlarge the hoisting range by combining the characteristics of a bridge crane and a cantilever crane.

To achieve the purpose, the utility model adopts the following technical scheme:

a crane with one end capable of changing the installation position comprises a main upright post, a cross beam, an auxiliary upright post, a slewing mechanism, a lifting trolley and a positioning device;

the main upright post is vertically fixed on the ground;

one end of the cross beam is rotatably connected to the top end of the main upright post;

the slewing mechanism is used for driving the cross beam to horizontally rotate by taking the main upright post as a rotation center;

the auxiliary upright posts are vertically fixed on the ground respectively and are circumferentially arranged on the periphery of the main upright post;

the positioning devices are provided with a plurality of positioning devices, the positioning devices are correspondingly arranged on the auxiliary upright posts respectively, and the positioning devices are used for positioning and connecting the other end of the cross beam to the top end of any auxiliary upright post;

the lifting trolley is arranged on the cross beam and is arranged along the cross beam in a reciprocating manner.

Further, the auxiliary upright post is of a hollow structure, and a first through hole is formed in the top end of the auxiliary upright post;

the positioning device comprises a first driving device, a push rod and a supporting plate, wherein the first driving device is arranged in the hollow structure, the driving end of the first driving device is connected with the push rod, the first driving device is used for driving the push rod to reciprocate up and down, and the supporting plate is sleeved on the periphery of the push rod and fixedly connected with the push rod;

before the first driving device drives, the cross beam is located above the push rod, the push rod and the support plate are located in the hollow structure, after the first driving device drives, the push rod drives the support plate to penetrate out of the first through hole, the top end of the push rod penetrates into the cross beam, and the upper end face of the support plate abuts against the lower end face of the cross beam.

Further, the crossbeam is cuboid hollow structure, the two long limits of cuboid hollow structure's up end and lower terminal surface outwards horizontally extend respectively and form four installation department, rise the dolly through two of lower terminal surface the spacing sliding connection of installation department in the crossbeam, cuboid hollow structure's inside forms the installation cavity, the bottom of installation cavity is equipped with the second through-hole, the second through-hole is used for supplying the push rod penetrates.

Further, the bottom of the cross beam, which is close to the main upright post, is connected with a rotary bracket;

the rotary mechanism comprises a fixed gear, a movable gear and a second driving device, wherein the fixed gear is sleeved and fixed on the periphery of the main upright, the second driving device is fixedly connected with the rotary support, the driving end of the second driving device is connected with the movable gear, the movable gear is meshed with the fixed gear, the movable gear is driven by the second driving device to rotate along the fixed gear, and the rotation of the movable gear drives the second driving device, the rotary support and the cross beam to rotate along the main upright.

Further, an angle sensor and an external controller are also provided;

the angle sensor is arranged on the slewing mechanism and is used for detecting the rotation angle of the slewing mechanism driving the cross beam, and the external controller is respectively and electrically connected with the angle sensor and the slewing mechanism.

Preferably, the device also comprises an in-place detection device; the mounting plate is arranged above the second through hole and horizontally arranged in the mounting cavity, a third through hole which is right opposite to the second through hole is arranged on the mounting plate, and when the cross beam is connected with any auxiliary upright post, the top end of the push rod sequentially penetrates through the second through hole and the third through hole;

the in-place detection device is arranged on the mounting plate, the detection end of the in-place detection device is close to the third through hole, the in-place detection device is used for detecting whether the top end of the push rod passes through the third through hole, and the external controller is respectively and electrically connected with the in-place detection device, the first driving device and the lifting trolley.

Preferably, the device further comprises a position sensor, wherein the position sensor is installed at the position of the cross beam, which is close to the slewing bracket;

the position sensor is electrically connected with the external controller, and is used for detecting the position of the lifting trolley, and when the position sensor detects that the lifting trolley is lifted, the lifting trolley is positioned close to the position of the slewing bracket.

The technical scheme provided by the utility model can comprise the following beneficial effects:

the crossbeam passes through rotation mechanism's drive is followed the main stand carries out horizontal rotation, a plurality of auxiliary column has been arranged to the periphery circumference of main stand, after the crossbeam rotates, the other end accessible of crossbeam install in auxiliary column's positioner with auxiliary column's top is connected for the crossbeam passes through the main stand and any auxiliary column forms the hoist of bridge type, installs on the crossbeam and plays to rise the dolly, both can increase the handling scope through rotatory crossbeam, can hoist the heavier goods of weight again, need not to add a plurality of bridge cranes and increases equipment cost, need not to hoist again the below of transporting fixed crossbeam with the goods when handling goods, both improves hoist loading and unloading goods's efficiency, reduces the cost of manpower and loading and unloading goods again.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a beam and a secondary column connection according to an embodiment of the present utility model.

Fig. 3 is a partial enlarged view of fig. 2.

Fig. 4 is a partial cross-sectional view of one embodiment of the present utility model.

Fig. 5 is a schematic structural view of the auxiliary column and the positioning device according to an embodiment of the present utility model.

Wherein: the main column 1, the cross beam 2, the mounting cavity 20, the second through hole 201, the mounting part 21, the mounting plate 22, the third through hole 221, the slewing bracket 23, the vertical plate 24, the auxiliary column 3, the first through hole 31, the slewing mechanism 4, the fixed gear 41, the movable gear 42, the second driving device 43, the lifting trolley 5, the positioning device 6, the first driving device 61, the push rod 62, the support plate 63, the in-place detection device 7 and the position sensor 8.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 will be understood in specific cases by those of ordinary skill in the art.

The following further describes the technical solution of the present utility model by means of specific embodiments with reference to fig. 1 to 5.

As shown in fig. 1, a crane with one end capable of changing the installation position comprises a main upright 1, a cross beam 2, an auxiliary upright 3, a slewing mechanism 4, a lifting trolley 5 and a positioning device 6;

the main upright post 1 is vertically fixed on the ground;

one end of the cross beam 2 is rotatably connected to the top end of the main upright 1;

the slewing mechanism 4 is used for driving the cross beam 2 to horizontally rotate by taking the main upright 1 as a rotation center;

the auxiliary upright posts 3 are arranged in a plurality, the auxiliary upright posts 3 are respectively and vertically fixed on the ground, and the auxiliary upright posts are circumferentially arranged on the periphery of the main upright post 1;

the positioning devices 6 are provided with a plurality of positioning devices 6, the positioning devices 6 are respectively and correspondingly arranged on the auxiliary upright posts 3, and the positioning devices 6 are used for positioning and connecting the other end of the cross beam 2 to the top end of any auxiliary upright post 3;

the lifting trolley 5 is mounted on the cross beam 2 and is arranged along the cross beam 2 in a reciprocating manner.

The utility model provides a crane with one end capable of changing the installation position, one end of a beam 2 is rotatably arranged at the top end of a main upright 1, the beam 2 horizontally rotates by taking the main upright 1 as a rotation center through the driving of a rotary mechanism 4, a plurality of auxiliary uprights 3 are distributed on the periphery of the main upright 1, after the beam 2 rotates, the other end of the beam 2 can be connected with the top of the auxiliary uprights 3 through a positioning device 6 arranged on the auxiliary uprights 3, so that the beam 2 forms a bridge crane through the main upright 1 and any auxiliary upright 3, a lifting trolley 5 is arranged on the beam 2, the lifting range can be enlarged through rotating the beam 2, and cargoes with heavy weight can be lifted without adding a plurality of bridge cranes to increase the equipment cost, and the cargoes do not need to be conveyed to the bottom of a fixed beam to be lifted when being loaded and unloaded, thereby improving the loading and unloading efficiency of cargoes and reducing the cost of manpower and cargoes.

Further, the number and distribution positions of the auxiliary columns 3 can be set according to operation requirements, a plurality of auxiliary columns 3 can be connected with the cross beam 2 through the positioning device 6, and the auxiliary columns 3 provide supporting force for the cross beam 2 after connection, so that the bridge crane is formed by temporary construction. The crane with the one end capable of being replaced in the installation position has higher operation flexibility and has the advantage of larger lifting capacity than that of a cantilever crane.

As shown in fig. 4 and 5, the auxiliary upright post 3 has a hollow structure, and a first through hole 31 is formed at the top end of the auxiliary upright post 3;

the positioning device 6 comprises a first driving device 61, a push rod 62 and a supporting plate 63, wherein the first driving device 61 is arranged in the hollow structure, the driving end of the first driving device 61 is connected with the push rod 62, the first driving device 61 is used for driving the push rod 62 to reciprocate up and down, and the supporting plate 63 is sleeved on the periphery of the push rod 62 and fixedly connected with the push rod 62;

before the first driving device 61 drives, the cross beam 2 is located above the push rod 62, the push rod 62 and the support plate 63 are located in the hollow structure, after the first driving device 51 drives, the push rod 62 drives the support plate 63 to penetrate out of the first through hole 31, the top end of the push rod 62 penetrates into the cross beam 2, and the upper end face of the support plate 63 abuts against the lower end face of the cross beam 2.

Further, by fixing the first driving device 31 inside the auxiliary column 3, the driving end of the first driving device 61 is connected with the push rod 62, and the support plate 63 is fixed on the push rod 62, when the beam 2 rotates to a position above the push rod 62 of the auxiliary column 3, the push rod 62 is driven to move upwards by the first driving device 61, so that the top end of the push rod 62 penetrates into the beam 2, the support plate 63 follows the push rod 62 to penetrate out of the first through hole 31, and the upper end surface of the support plate 63 abuts against the lower end surface of the beam 2 to support the beam 2, so that the beam is connected to the auxiliary column 3 to form a bridge crane, and the bridge crane has simple structure and convenient operation. Preferably, the first driving device 61 is a hydraulic driving or an electric pushing cylinder.

As shown in fig. 4, the cross beam 2 is a cuboid hollow structure, two long sides of an upper end surface and a lower end surface of the cuboid hollow structure respectively extend outwards horizontally to form four mounting portions 21, the lifting trolley 5 is in limit sliding connection with the cross beam 2 through two mounting portions 21 of the lower end surface, a mounting cavity 20 is formed in the cuboid hollow structure, a second through hole 201 is formed in the bottom of the mounting cavity 20, and the second through hole 201 is used for the push rod 62 to penetrate.

Further, the beam 2 is configured as an i-shaped beam 2 with a hollow structure in the middle, so that the lifting trolley 5 is slidably mounted on the beam 2, the structure of the beam 2 is more stable, and meanwhile, the push rod 62 penetrates into the mounting cavity 20 of the beam 2 through the second through hole 21 to be connected with the auxiliary upright 3.

Preferably, a plurality of risers 24 are disposed in the installation cavity 20, and a plurality of risers 24 are disposed in the installation cavity 20 at intervals along the length direction of the beam 2, so as to improve the strength of the beam 2.

As shown in fig. 2 and 3, further, a revolving bracket 23 is connected to the bottom of the cross beam 2 near the main upright 1;

the swing mechanism 4 comprises a fixed gear 41, a movable gear 42 and a second driving device 43, the fixed gear 41 is sleeved and fixed on the periphery of the main upright 1, the second driving device 43 is fixedly connected with the swing bracket 23, the driving end of the second driving device 43 is connected with the movable gear 42, the movable gear 42 is meshed with the fixed gear 41, the movable gear 42 rotates along the fixed gear 41 under the driving of the second driving device 43, and the rotation of the movable gear 42 drives the second driving device 43, the swing bracket 23 and the cross beam 2 to rotate along the main upright 1.

In a specific embodiment, the second driving device 43 is a driving motor, the driving motor is fixedly connected to the revolving support 23, the driving end of the driving motor is connected to a moving gear 42, the moving gear 42 is meshed with a fixed gear 41 fixed on the periphery of the main upright 1, and when the driving motor drives the moving gear 42 to rotate, the moving gear 42 rotates along the fixed gear 41, so as to drive the driving motor, the revolving support 23 and the cross beam 2 to rotate along the main upright 1, so that the cross beam 2 can perform site selection along the main upright 1.

In an alternative embodiment, an angle sensor and an external controller are also provided;

the angle sensor is installed in the slewing mechanism 4, the angle sensor is used for detecting the rotation angle of the slewing mechanism 4 driving the cross beam 2, and the external controller is respectively and electrically connected with the angle sensor and the slewing mechanism 4.

Specifically, install angle sensor on the rotary mechanism 4, the rotary mechanism 4 drives when crossbeam 2 rotates, accessible angle sensor acquires rotatory angle, external control ware respectively with angle sensor with rotary mechanism 4 electricity is connected, external control ware can control the start-stop of rotary mechanism 4, angle sensor detects the rotation angle data of crossbeam 2 is real-time to be transmitted external control ware, after detecting crossbeam 2 and reaching the rotation angle of settlement, external control ware can control rotary mechanism 4 stop work, pinpoint the rotation of crossbeam 2, can dock with corresponding auxiliary column 3, convenient operation improves the degree of automation of equipment operation.

As shown in fig. 4, in an alternative embodiment, the device further comprises an in-place detection device 7;

the inside of the installation cavity 20 is provided with an installation plate 22, the installation plate 22 is positioned above the second through hole 201 and horizontally arranged, the installation plate 22 is provided with a third through hole 221 which is right opposite to the second through hole 201, and when the cross beam 2 is connected with any auxiliary upright post 3, the top end of the push rod 62 sequentially passes through the second through hole 201 and the third through hole 221;

the in-place detection device 7 is mounted on the mounting plate 22, a detection end of the in-place detection device 7 is close to the third through hole 221, the in-place detection device 7 is used for detecting whether the top end of the push rod 62 passes through the third through hole 221, and the external controller is electrically connected with the in-place detection device 7, the first driving device 61 and the lifting trolley 5 respectively.

Further, by arranging the mounting plate 22 in the mounting cavity 20, when the beam 2 is connected with the auxiliary upright 3, the top end of the push rod 62 can pass through the third through hole 221 on the mounting plate 22, the in-place detection device 7 is mounted on the mounting plate 22, the detection end of the in-place detection device 7 is close to the third through hole 221, when the top end of the push rod 62 passes through the third through hole 221 on the mounting plate 22, the in-place detection device 7 detects that the push rod 62 indicates that the beam 12 is connected with the auxiliary upright 3, and after receiving the signal of the in-place detection device 7, the external controller can control the lifting trolley 5 to carry out subsequent operation of lifting cargoes; when the lifting trolley 5 stops working and the cross beam 2 rotates, the external controller controls the first driving device 61 to drive the push rod 62 to retract to the hollow structure of the auxiliary upright 3, and when the in-place detection device 7 does not detect the push rod 62, the external controller can control the rotation mechanism 4 to work.

In a specific embodiment, the in-place detecting device 7 is a micro switch.

As shown in fig. 2, in an alternative embodiment, the device further comprises a position sensor 8, wherein the position sensor 8 is mounted on the beam 2 and is close to the slewing bracket 23;

the position sensor 8 is electrically connected with the external controller, the position sensor 8 is used for detecting the position of the lifting trolley 5, and when the position sensor 8 detects the lifting trolley 5, the lifting trolley 5 is located at a position close to the slewing bracket 23.

Further, in order to make the rotation of the beam 2 by the swing mechanism 4 smoother, more stable and more labor-saving, and reduce equipment loss, when the external controller controls the swing mechanism 4 to drive the beam 2 to rotate, the lifting trolley 5 needs to slide to a position of the beam 2, which is close to the swing bracket 23, so that the position sensor 8 is mounted on the beam 2, which is close to the swing bracket 23, and the position sensor 8 is electrically connected with the external controller, when the position sensor 8 detects the lifting trolley 5, the swing mechanism 4 can perform operation, and when the lifting trolley 5 is not detected, the external controller can operate the lifting trolley 5 to slide to a detection point position of the position sensor 8 on the beam 2.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (7)

1. A crane with one end capable of changing installation position, characterized in that: comprises a main upright post, a cross beam, an auxiliary upright post, a slewing mechanism, a lifting trolley and a positioning device;

the main upright post is vertically fixed on the ground;

one end of the cross beam is rotatably connected to the top end of the main upright post;

the slewing mechanism is used for driving the cross beam to horizontally rotate by taking the main upright post as a rotation center;

the auxiliary upright posts are vertically fixed on the ground respectively and are circumferentially arranged on the periphery of the main upright post;

the positioning devices are provided with a plurality of positioning devices, the positioning devices are correspondingly arranged on the auxiliary upright posts respectively, and the positioning devices are used for positioning and connecting the other end of the cross beam to the top end of any auxiliary upright post;

the lifting trolley is arranged on the cross beam and is arranged along the cross beam in a reciprocating manner.

2. A crane with a replaceable mounting location at one end according to claim 1, wherein: the auxiliary upright post is of a hollow structure, and a first through hole is formed in the top end of the auxiliary upright post;

the positioning device comprises a first driving device, a push rod and a supporting plate, wherein the first driving device is arranged in the hollow structure, the driving end of the first driving device is connected with the push rod, the first driving device is used for driving the push rod to reciprocate up and down, and the supporting plate is sleeved on the periphery of the push rod and fixedly connected with the push rod;

before the first driving device drives, the cross beam is located above the push rod, the push rod and the support plate are located in the hollow structure, after the first driving device drives, the push rod drives the support plate to penetrate out of the first through hole, the top end of the push rod penetrates into the cross beam, and the upper end face of the support plate abuts against the lower end face of the cross beam.

3. A crane with a replaceable mounting location at one end according to claim 2, wherein: the crossbeam is the hollow structure of cuboid, the up end of the hollow structure of cuboid and the two long limits of terminal surface down outwards horizontally extend respectively and form four installation department, rise the dolly through two of terminal surface down the spacing sliding connection of installation department in the crossbeam, the inside of the hollow structure of cuboid forms the installation cavity, the bottom of installation cavity is equipped with the second through-hole, the second through-hole is used for supplying the push rod penetrates.

4. A crane with a replaceable mounting location at one end according to claim 3, wherein: the bottom of the cross beam, which is close to the main upright post, is connected with a rotary bracket;

the rotary mechanism comprises a fixed gear, a movable gear and a second driving device, wherein the fixed gear is sleeved and fixed on the periphery of the main upright, the second driving device is fixedly connected with the rotary support, the driving end of the second driving device is connected with the movable gear, the movable gear is meshed with the fixed gear, the movable gear is driven by the second driving device to rotate along the fixed gear, and the rotation of the movable gear drives the second driving device, the rotary support and the cross beam to rotate along the main upright.

5. A crane with a replaceable mounting location at one end as defined in claim 4, wherein: an angle sensor and an external controller are also arranged;

the angle sensor is arranged on the slewing mechanism and is used for detecting the rotation angle of the slewing mechanism driving the cross beam, and the external controller is respectively and electrically connected with the angle sensor and the slewing mechanism.

6. A crane with a replaceable mounting location at one end as defined in claim 5, wherein: the device also comprises an in-place detection device;

the mounting plate is arranged above the second through hole and horizontally arranged in the mounting cavity, a third through hole which is right opposite to the second through hole is arranged on the mounting plate, and when the cross beam is connected with any auxiliary upright post, the top end of the push rod sequentially penetrates through the second through hole and the third through hole;

the in-place detection device is arranged on the mounting plate, the detection end of the in-place detection device is close to the third through hole, the in-place detection device is used for detecting whether the top end of the push rod passes through the third through hole, and the external controller is respectively and electrically connected with the in-place detection device, the first driving device and the lifting trolley.

7. A crane with a replaceable mounting location at one end as defined in claim 5, wherein: the position sensor is arranged at the position of the cross beam, which is close to the rotary bracket;

the position sensor is electrically connected with the external controller, and is used for detecting the position of the lifting trolley, and when the position sensor detects that the lifting trolley is lifted, the lifting trolley is positioned close to the position of the slewing bracket.