CN211496680U

CN211496680U - Building site hoist

Info

Publication number: CN211496680U
Application number: CN201922071622.4U
Authority: CN
Inventors: 王敏敏
Original assignee: Shandong Haiyun Power Technology Co Ltd
Current assignee: Shandong Haiyun Power Technology Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-15
Anticipated expiration: 2029-11-27

Abstract

The utility model belongs to the field of building construction, in particular to a building site crane, aiming at the problem of poor stability caused by the small contact surface between the base and the ground of the existing crane, the following proposal is proposed, which comprises a base, a rotary column, a motor chamber and a hoisting jib, wherein the bottom of the rotary column is rotationally connected with the top of the base, the top of the rotary column is fixedly welded with the bottom of the motor chamber, one side of the motor chamber is fixedly welded with one end of the hoisting jib, the base is of a hollow structure, hydraulic arms are fixedly arranged on four sides of the base, one end of each hydraulic arm extends to the inside of the base and is connected with the same hydraulic cylinder, and a hydraulic rod is slidably arranged inside the hydraulic arm. The occupied area is reduced, and the device is simple, practical and convenient to operate.

Description

Building site hoist

Technical Field

The utility model relates to a construction technical field especially relates to a building site hoist.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite. The construction process needs a lot of mechanical equipment, and the crane is one of the very important equipment. However, the common crane is constructed by being placed on the ground, and the bottom of the crane is limited to be in contact with the ground, so that the stability is not high, and the bearing performance of the crane is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that there is the less steadiness that leads to of crane base and ground contact surface among the prior art poor, and the building site hoist that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a building site crane comprises a base, a rotary column, a motor chamber and a large hoisting arm, wherein the bottom of the rotary column is rotatably connected with the top of the base, the top of the rotary column is fixedly welded with the bottom of the motor chamber, one side of the motor chamber is fixedly welded with one end of the large hoisting arm, the base is of a hollow structure, four sides of the base are fixedly provided with hydraulic arms, one end of each hydraulic arm extends into the base and is connected with the same hydraulic cylinder, a hydraulic rod is slidably arranged in the hydraulic arms, one end of the hydraulic rod extends into the outer part of the hydraulic arm and is fixedly connected with a support leg, the top of the hydraulic cylinder extends into the rotary column, the hydraulic column is slidably arranged in the hydraulic cylinder, the other end of the hydraulic column extends into the outer part of the hydraulic cylinder, the rotary column is of a hollow structure, and the top of the rotary column is provided with a mounting hole, the inner wall of the mounting hole is movably provided with a first connecting rod, one end of the first connecting rod extends to the inside of the rotary column and is fixedly welded with a gear ring, the gear ring is matched with the hydraulic column, the other end of the first connecting rod extends to the inside of the motor chamber, the first connecting rod is of a hollow structure, a sliding rod is slidably arranged on the inner wall of the first connecting rod, one end of the sliding rod extends to the outside of the first connecting rod and is fixedly connected with a first gear, a sliding groove is arranged at the position, close to the first gear, of the sliding rod and is matched with the motor chamber, a motor is fixedly arranged inside the motor chamber, a rotating shaft is welded on an output shaft of the motor, a second gear is fixedly sleeved at the middle part of the rotating shaft and is meshed with the first gear, one end, far away from the motor, of a steel cable is fixedly connected with one end of the rotating shaft and is, the other end of the steel cable penetrates through the large arm and is connected with a lifting hook.

Preferably, the bottom of the inner wall of the motor chamber is provided with an electric lifting ring, the top of the electric lifting ring is slidably mounted in the sliding groove, and the sliding groove is matched with the motor chamber through the electric lifting ring to achieve the purpose of independently lifting the sliding rod.

Preferably, the inner wall of the rotary column is provided with a thread groove, the thread groove is meshed with a gear ring, and the gear ring is matched with the hydraulic column through the thread groove, so that the purpose that the gear ring is converted into displacement through rotating force is achieved.

Preferably, the fixed welding of outer wall one side of column spinner has the one end of iron set, the fixed welding of the other end of iron set has the handrail, makes things convenient for the work of turning to of jack-up operation process through the handrail.

Preferably, the fixed welding of one side that has kept away from big arm in the motor room has the counter weight room, the one end of the top fixedly connected with pylon of motor room, the one end of the top fixedly connected with second connecting rod of counter weight room, the other end of second connecting rod and the other end fixed connection of pylon, the one end of the other end fixedly connected with third connecting rod of pylon, the one end fixed connection that the motor room was kept away from to the other end of third connecting rod and big arm of jack-up makes the structure at hoist top more steady, firm, the jack-up operation of being convenient for.

The utility model discloses in, building site hoist

1. The hydraulic column is matched with the hydraulic cylinder, the hydraulic arm is matched with the hydraulic rod, the hydraulic rod can stretch out and draw back, and meanwhile, the supporting legs are matched, so that the contact area of the crane base and the ground is increased.

2. The motor, the rotating shaft, the first gear, the second gear, the first connecting rod, the sliding rod, the gear ring and the thread groove are arranged, the first gear is matched with the second gear, the first connecting rod is matched with the sliding rod, the gear ring is matched with the thread groove, and the purpose of lifting the first connecting rod is achieved by utilizing the power of the motor.

The utility model discloses a to the scalable design of base, the area of contact of deployable increase base when using improves the steadiness, and collapsible base reduces area occupied during the transportation, simple and practical, the simple operation.

Drawings

Fig. 1 is a schematic perspective view of a crane for construction sites according to the present invention;

fig. 2 is a schematic structural view of a crane for a construction site according to the present invention;

fig. 3 is the utility model provides a building site hoist's enlarged structure schematic diagram of a department in fig. 2.

In the figure: the device comprises a base 1, a rotary column 2, a motor chamber 3, a hydraulic arm 4, a hydraulic cylinder 5, a hydraulic rod 6, a support leg 7, a hydraulic column 8, a mounting hole 9, a first connecting rod 10, a gear ring 11, a sliding rod 12, a first gear 13, a sliding chute 14, a motor 15, a rotating shaft 16, a second gear 17, a steel cable 18, a large lifting arm 19, a lifting hook 20, an electric lifting ring 21, a threaded groove 22, an iron rod 23, a handrail 24, a counterweight chamber 25, a tower column 26, a second connecting rod 27 and a third connecting rod 28.

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.

Referring to fig. 1-3, a construction site crane comprises a base 1, a rotary column 2, a motor chamber 3, and a large lifting arm 19, wherein the bottom of the rotary column 2 is rotatably connected with the top of the base 1, the top of the rotary column 2 is fixedly welded with the bottom of the motor chamber 3, one side of the motor chamber 3 is fixedly welded with one end of the large lifting arm 19, the base 1 is of a hollow structure, hydraulic arms 4 are fixedly mounted on four sides of the base 1, one end of each hydraulic arm 4 extends into the base 1 and is connected with the same hydraulic cylinder 5, a hydraulic rod 6 is slidably mounted inside the hydraulic arm 4, one end of the hydraulic rod 6 extends to the outside of the hydraulic arm 4 and is fixedly connected with support legs 7, the top of the hydraulic cylinder 5 extends into the rotary column 2, a hydraulic column 8 is slidably mounted inside the hydraulic cylinder 5, and the other end of the hydraulic column 8 extends to the outside of the hydraulic cylinder 5, the utility model discloses a motor cabinet, including a rotating column 2, a mounting hole 9, a first connecting rod 10, a sliding rod 12, a first gear 13, a sliding shaft 16, a motor chamber 3, a motor 15, a rotating shaft 16, a motor chamber 3, a motor 15, a rotating shaft 16, a mounting hole 9, a first connecting rod 10, a gear ring 11, a hydraulic column 8, a sliding rod 10, a sliding rod 12, a first gear 13, a sliding chute 14, a sliding rod 12, a sliding rod 14, a motor chamber 3, a motor 15, a rotating shaft 16, a motor shaft, a motor, a second gear 17 is fixedly sleeved in the middle of the rotating shaft 16, the second gear 17 is meshed with the first gear 13, one end of the rotating shaft 16, which is far away from the motor 15, is fixedly connected with one end of a steel cable 18 and is rotatably connected with the inner wall of the motor chamber 3, and the other end of the steel cable 18 penetrates through a heavy arm 19 and is connected with a lifting hook 20.

The utility model discloses in, the inner wall bottom of motor room 3 is provided with electric lift circle 21, electric lift circle 21's top slidable mounting is in spout 14, spout 14 cooperatees with motor room 3 through electric lift circle 21, reaches the purpose of slide bar 12 that goes up and down alone.

The utility model discloses in, the inner wall of column spinner 2 is provided with thread groove 22, thread groove 22 meshes with ring gear 11 mutually, ring gear 11 cooperatees with hydraulic pressure post 8 through thread groove 22, reaches ring gear 11 and changes into the purpose of displacement through rotatory power.

The utility model discloses in, the fixed welding in outer wall one side of column spinner 2 has the one end of iron set 23, the fixed welding of the other end of iron set 23 has handrail 24, through the work that turns to of handrail 24 convenient jack-up operation process.

The utility model discloses in, the fixed welding in one side that has kept away from big arm 19 of motor room 3 has counter weight room 25, the top fixedly connected with pylon 26's of motor room 3 one end, counter weight room 25's top fixedly connected with second connecting rod 27's one end, second connecting rod 27's the other end and pylon 26's other end fixed connection, pylon 26's the one end of other end fixedly connected with third connecting rod 28, the one end fixed connection that motor room 3 was kept away from to the other end of third connecting rod 28 and big arm 19 of jack-up makes the structure at hoist top more steady, firm, the jack-up operation of being convenient for.

In the utility model, when in use, firstly, the power is switched on, the motor 15 and the electric lifting ring 21 are powered on, then the electric lifting ring 21 is controlled firstly, the top of the electric lifting ring 21 is raised, the electric lifting ring 21 drives the slide bar 12 to move upwards through the sliding groove 14, one end of the slide bar 12 drives the first gear 13 to move upwards until the first gear 13 is meshed with the second gear 17, then the motor 15 is started to rotate clockwise, the motor 15 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the second gear 17 to rotate, the second gear 17 drives the slide bar 12 to rotate the slide bar 12 to drive the first connecting rod 10 to rotate, the first connecting rod 10 drives the gear ring 11 to rotate on the inner wall of the rotary column 2, because the inner wall of the rotary column 2 is provided with the thread groove 22, the gear ring 11 can move downwards along the inner wall of the rotary column 2 when rotating, the gear ring 11 drives the first connecting rod 10 to move downwards, because the first connecting rod 10 is connected with the sliding rod 12 in a sliding manner, the sliding rod 12 cannot move downwards while continuing to rotate to indirectly provide power, at the moment, the gear ring 11 moves downwards to drive one end of the hydraulic column 8 to move downwards, the other end of the hydraulic column 8 drives the hydraulic rod 6 to move horizontally through the hydraulic cylinder 5, the hydraulic rod 6 drives the support leg 7 to move, at the moment, the contact area between the base 1 and the ground is continuously increased until the hydraulic rod 6 moves to a limit position or the contact area of the base 1 meets requirements, at the moment, the motor 15 stops rotating, then the electric lifting ring 21 is controlled, the top of the electric lifting ring 21 drives the sliding rod 12 to descend until the first gear 13 and the second gear 17 are separated from each other, at the moment, the fixing work of the crane is completely finished, and the motor 1 is started again to enable the lifting hook to ascend or descend through the rotating shaft 16 and the, in the process, the handrail 24 can be used for controlling the lifting heavy arm 19 to steer, so that the construction operation can be completed better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A building site crane comprises a base (1), a rotary column (2), a motor chamber (3) and a large hoisting arm (19), wherein the bottom of the rotary column (2) is rotatably connected with the top of the base (1), the top of the rotary column (2) is fixedly welded with the bottom of the motor chamber (3), one side of the motor chamber (3) is fixedly welded with one end of the large hoisting arm (19), the crane is characterized in that the base (1) is of a hollow structure, hydraulic arms (4) are fixedly mounted on four side surfaces of the base (1), one ends of the hydraulic arms (4) extend to the inside of the base (1) and are connected with a same hydraulic cylinder (5), a hydraulic rod (6) is slidably mounted inside the hydraulic arms (4), one end of the hydraulic rod (6) extends to the outside of the hydraulic arms (4) and is fixedly connected with support legs (7), the top of pneumatic cylinder (5) extends to the inside of column spinner (2), and the inside slidable mounting of pneumatic cylinder (5) has hydraulic column (8), the other end of hydraulic column (8) extends to the outside of pneumatic cylinder (5), column spinner (2) are hollow structure, and mounting hole (9) have been seted up at the top of column spinner (2), movable mounting has head rod (10) on the inner wall of mounting hole (9), the one end of head rod (10) extends to the inside and the fixed welding of column spinner (2) has ring gear (11), ring gear (11) cooperate with hydraulic column (8), the other end of head rod (10) extends to the inside of motor room (3), head rod (10) are hollow structure, and slidable mounting has slide bar (12) on the inner wall of head rod (10), the one end of slide bar (12) extends to the outside and the fixedly connected with first gear (13) of head rod (10), and the one end of slide bar (12) is connected with first gear (13) ) The sliding rod (12) is provided with a sliding groove (14) close to the first gear (13), the sliding groove (14) is matched with the motor chamber (3), a motor (15) is fixedly installed inside the motor chamber (3), a rotating shaft (16) is welded on an output shaft of the motor (15), a second gear (17) is fixedly sleeved at the middle of the rotating shaft (16), the second gear (17) is meshed with the first gear (13), one end, far away from the motor (15), of the rotating shaft (16) is fixedly connected with one end of a steel cable (18) and is rotatably connected with the inner wall of the motor chamber (3), and the other end of the steel cable (18) penetrates through a large arm (19) and is connected with a lifting hook (20).

2. A crane for construction sites according to claim 1, characterized in that the bottom of the inner wall of the motor chamber (3) is provided with an electric lifting ring (21), the top of the electric lifting ring (21) is slidably mounted on the chute (14), and the chute (14) is matched with the motor chamber (3) through the electric lifting ring (21).

3. A construction site crane according to claim 1, characterized in that the inner wall of the rotary column (2) is provided with a thread groove (22), which thread groove (22) is in engagement with a gear ring (11), which gear ring (11) cooperates with the hydraulic column (8) via the thread groove (22).

4. A crane for construction sites according to claim 1, characterized in that one end of the iron rod (23) is fixedly welded to one side of the outer wall of the rotating column (2), and a handrail (24) is fixedly welded to the other end of the iron rod (23).

5. A construction site crane according to claim 1, characterized in that a counterweight chamber (25) is fixedly welded to the side of the motor chamber (3) remote from the jib (19), one end of a tower (26) is fixedly connected to the top of the motor chamber (3), one end of a second connecting rod (27) is fixedly connected to the top of the counterweight chamber (25), the other end of the second connecting rod (27) is fixedly connected to the other end of the tower (26), one end of a third connecting rod (28) is fixedly connected to the other end of the tower (26), and the other end of the third connecting rod (28) is fixedly connected to the end of the jib (19) remote from the motor chamber (3).