阅读说明：本技术 一种改进型起重机 (Improved crane ) 是由 黄建生 于 2021-11-11 设计创作，主要内容包括：本发明公开了一种改进型起重机,涉及起重机技术领域,具体为基础臂和环链葫芦,所述基础臂的内部两侧开设有第一滑槽,所述第一滑轮的内侧端连接有一级臂,所述伺服电机的右端另一侧设置有第二齿轮组,所述第二齿轮组表面设置有第二链条,所述环链葫芦连接于第二滑轮的内侧段,所述一级臂的右端设置有转向齿轮组。该改进型起重机,伺服电机运作可使得第二齿轮组、第一齿轮组同步同向转动,第一齿轮组通过第一链条带动一级臂于基础臂内部伸缩滑动,同时第二齿轮组通过第二链条带动环链葫芦于一级臂内部伸缩滑动,因此人们只需将货物放置在指定位置,该起重机即可重复搬运,该起重机适应小型区域的同时通过伸缩可扩大搬运范围。(The invention discloses an improved crane, and relates to the technical field of cranes, in particular to a base arm and a chain block, wherein first sliding grooves are formed in two sides of the inside of the base arm, a primary arm is connected to the inner side end of a first pulley, a second gear set is arranged on the other side of the right end of a servo motor, a second chain is arranged on the surface of the second gear set, the chain block is connected to the inner side section of the second pulley, and a steering gear set is arranged at the right end of the primary arm. This improved generation hoist, the servo motor function can make the second gear train, the synchronous syntropy of first gear train rotates, first gear train drives one-level arm in the inside flexible slip of basic arm through first chain, and the second gear train drives the chain block through the second chain simultaneously and slides in the inside flexible slip of one-level arm, therefore people only need place the goods in the assigned position, and this hoist can repeated transport, can enlarge the transport scope through flexible when this hoist adapts to small-size region.)

1. An improved crane, comprising a base arm (1) and a chain block (14), characterized in that: the inner two sides of the basic arm (1) are provided with first sliding grooves (2), the first sliding grooves (2) are internally provided with first pulleys (3), the inner side end of each first pulley (3) is connected with a first-stage arm (4), the left end of each first-stage arm (4) is provided with a servo motor (5), one side of the right end of each servo motor (5) is provided with a first gear set (6), the other side of the right end of each servo motor (5) is provided with a second gear set (7), the surface of each first gear set (6) is provided with a first chain (8), the surface of each second gear set (7) is provided with a second chain (9), the two sides of the inner part of each first-stage arm (4) are provided with second sliding grooves (10), the inner parts of the second sliding grooves (10) are provided with second pulleys (11), and the chain block (14) is connected to the inner side sections of the second pulleys (11), and a steering gear set (12) is arranged at the right end of the primary arm (4).

2. An improved crane according to claim 1, wherein: the primary arm (4) is assembled with the base arm (1) in a sliding mode through the first pulleys (3), the first sliding grooves (2), and the number of the first pulleys (3) is four.

3. An improved crane according to claim 1, wherein: the first gear set (6) is connected with the second gear set (7) through a driving shaft (13), and the second gear set (7) and the first gear set (6) are in rotary connection with the servo motor (5) through the driving shaft (13).

4. An improved crane according to claim 1, wherein: the second gear set (7) and the first gear set (6) rotate in the same direction, and the second gear set (7), the first gear set (6) and the first-stage arm (4) are rotationally connected.

5. An improved crane according to claim 1, wherein: one end of the first chain (8) is fixedly connected with the bottom surface of the left side of the inner wall of the base arm (1), and the other end of the first chain (8) is fixedly connected with the top of the right side of the inner wall of the base arm (1).

6. An improved crane according to claim 1, wherein: the two ends of the second chain (9) are respectively fixedly connected with the left side and the right side of the chain block (14), and the second chain (9) is also meshed with the steering gear set (12).

7. An improved crane according to claim 1, wherein: the chain hoist (14) is connected with the first-stage arm (4) in a sliding mode through the second pulleys (11) and the second sliding grooves (10), and the second pulleys (11) are symmetrically distributed around a vertical central axis of the chain hoist (14).

Technical Field

The invention relates to the technical field of cranes, in particular to an improved crane.

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.

The existing crane is small in size, the range for carrying heavy objects is limited, and the large-size crane can increase the carrying range, but the large-size crane is not suitable for carrying operation in a small area, so that an improved crane is provided.

Disclosure of Invention

The invention provides an improved crane, aiming at overcoming the defects of the prior art, and solving the problems that the prior crane has small volume and limited heavy object carrying range, and the large size can increase the carrying range, but is not suitable for carrying operation in a small area due to the large size.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an improved generation hoist, includes basic arm and endless chain hoist, first spout has been seted up to the inside both sides of basic arm, and the inside of first spout is provided with first pulley, the medial extremity of first pulley is connected with one-level arm, the left end of one-level arm is provided with servo motor, and sets up first gear train on one side of servo motor's right-hand member, servo motor's right-hand member opposite side is provided with the second gear train, the surface of first gear train is provided with first chain, second gear train surface is provided with the second chain, the second spout has been seted up to the inside both sides of one-level arm, and the inside of second spout is provided with the second pulley, endless chain hoist connects in the inboard section of second pulley, the right-hand member of one-level arm is provided with steering gear train.

Optionally, the primary arm is assembled with the base arm in a sliding manner through a first pulley, a first chute, and the number of the first pulleys is four.

Optionally, the first gear set is connected with the second gear set through a driving shaft, and the second gear set and the first gear set form a rotational connection with the servo motor through the driving shaft.

Optionally, the second gear set and the first gear set rotate in the same direction, and the second gear set, the first gear set and the first-stage arm form a rotational connection.

Optionally, one end of the first chain is fixedly connected with the bottom surface of the left side of the inner wall of the base arm, and the other end of the first chain is fixedly connected with the top of the right side of the inner wall of the base arm.

Optionally, both ends of the second chain are respectively fixedly connected with the left side and the right side of the chain block, and the second chain is also in meshed connection with the steering gear set.

Optionally, the chain block is connected with the first-stage arm in a sliding manner through a second pulley and a second sliding groove, and the second pulleys are symmetrically distributed about a vertical central axis of the chain block.

The invention provides an improved crane, which has the following beneficial effects:

this improved generation hoist, the servo motor function can make the second gear train, the synchronous syntropy of first gear train rotates, first gear train drives one-level arm in the inside flexible slip of basic arm through first chain, and the second gear train drives the chain block through the second chain simultaneously and slides in the inside flexible slip of one-level arm, therefore people only need place the goods in the assigned position, and this hoist can repeated transport, can enlarge the transport scope through flexible when this hoist adapts to small-size region.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a schematic view of a cross-sectional backside view of the present invention.

In the figure: 1. a base arm; 2. a first chute; 3. a first pulley; 4. a primary arm; 5. a servo motor; 6. a first gear set; 7. a second gear set; 8. a first chain; 9. a second chain; 10. a second chute; 11. a second pulley; 12. a steering gear set; 13. a drive shaft; 14. a chain hoist.

Detailed Description

Referring to fig. 1 to 4, the present invention provides a technical solution: an improved crane comprises a base arm 1 and a chain hoist 14, wherein first sliding grooves 2 are formed in two sides of the inside of the base arm 1, first pulleys 3 are arranged in the first sliding grooves 2, the inner side ends of the first pulleys 3 are connected with a primary arm 4, a servo motor 5 is arranged at the left end of the primary arm 4, a first gear set 6 is arranged on one side of the right end of the servo motor 5, a second gear set 7 is arranged on the other side of the right end of the servo motor 5, a first chain 8 is arranged on the surface of the first gear set 6, a second chain 9 is arranged on the surface of the second gear set 7, second sliding grooves 10 are formed in two sides of the inside of the primary arm 4, a second pulley 11 is arranged in the second sliding groove 10, the chain hoist 14 is connected to the inner side section of the second pulley 11, and a steering gear set 12 is arranged at the right end of the primary arm 4;

the operation is as follows, firstly the crane is arranged at a designated position, by starting the servo motor 5, the servo motor 5 is meshed with the driving shaft 13, the servo motor 5 operates to enable the driving shaft 13 to drive the first gear set 6 to rotate anticlockwise, at the same time, the first gear set 6 is meshed with the first chain 8, power is generated under the action of rotating force, the primary arm 4 is enabled to slide and extend out along the inner parts of the first sliding grooves 2 at two sides of the inner wall of the basic arm 1 through the first pulley 3, meanwhile, as the first gear set 6 is connected with the second gear set 7 through the driving shaft 13, the second gear set 7 synchronously rotates along with the first gear set 6 in the same direction, namely, the second gear set 7 also rotates anticlockwise, at the same time, the loop chain block 14 is enabled to slide and extend out along the inner parts of the second sliding groove 10 through the second pulley 11, the reachable range of the loop chain block 14 is extended for the second time, then the goods are hooked and lifted when the loop chain block 14 reaches the top of the goods, then the first gear set 6 and the second gear set 7 are changed into clockwise rotation, and at the moment, the chain hoist 14 and the first-stage arm 4 synchronously contract to achieve the effect of conveying goods to the designated position.

As shown in fig. 1-4, the primary arm 4 is slidably assembled with the base arm 1 through the first pulley 3 and the first chute 2, and the number of the first pulley 3 is four, the first gear set 6 is connected with the second gear set 7 through the driving shaft 13, and the second gear set 7 and the first gear set 6 are rotationally connected with the servo motor 5 through the driving shaft 13, the second gear set 7 and the first gear set 6 rotate in the same direction, and the second gear set 7, the first gear set 6 and the primary arm 4 are rotationally connected, one end of the first chain 8 is fixedly connected with the left bottom surface of the inner wall of the base arm 1, the other end of the first chain 8 is fixedly connected with the right top of the inner wall of the base arm 1, two ends of the second chain 9 are fixedly connected with the left side and the right side of the endless chain hoist 14, and the second chain 9 is further engaged with the steering gear set 12, and the endless chain hoist 14 is connected with the endless chain hoist 14 through the second pulley 11, The second sliding chute 10 is connected with the primary arm 4 in a sliding manner, and the second pulleys 11 are symmetrically distributed around the vertical central axis of the chain block 14;

the first pulley 3 and the second pulley 11 are symmetrically distributed, so that the first-stage arm 4 and the chain hoist 14 can smoothly and stably slide, the first gear set 6 is connected with the second gear set 7 through the driving shaft 13, the first gear set 6 and the second gear set 7 can synchronously and synchronously rotate in the same direction, the first-stage arm 4 and the chain hoist 14 can synchronously extend or contract, the stretching distances of the first-stage arm 4 and the chain hoist 14 are matched, the first-stage arm 4 and the chain hoist 14 can hook goods at a specified position when extending, the goods can be carried to a specified position to be unloaded when the first-stage arm 4 and the chain hoist 14 contract, assembly line operation can be continuously and repeatedly realized, the working efficiency is improved, and meanwhile, the carrying range of the crane can be enlarged while the crane can adapt to a small area, and various working environments can be better adapted.

To sum up, when the improved crane is used, the crane is firstly arranged at a designated position, the servo motor 5 is meshed with the driving shaft 13 by starting the servo motor 5, the driving shaft 13 drives the first gear set 6 to rotate anticlockwise by the operation of the servo motor 5, at the moment, the first gear set 6 is meshed with the first chain 8, power is generated under the action of rotating force, and the primary arm 4 slides and extends out along the inner parts of the first sliding grooves 2 at two sides of the inner wall of the base arm 1 through the first pulley 3;

meanwhile, as the first gear set 6 is connected with the second gear set 7 through the driving shaft 13, the second gear set 7 synchronously rotates along with the first gear set 6 in the same direction, namely the second gear set 7 also rotates anticlockwise, at the moment, the chain block 14 slides and extends out along the inner part of the second sliding groove 10 through the second pulley 11, and the reachable range of the chain block 14 is extended again;

then when the chain hoist 14 reaches the upper part of the goods, the goods are hooked and lifted, then the first gear set 6 and the second gear set 7 are changed into clockwise rotation, and at the moment, the chain hoist 14 and the primary arm 4 synchronously contract to achieve the effect of transporting the goods to the designated position for unloading;

finally, the first gear set 6 is connected with the second gear set 7 through the driving shaft 13, so that the first gear set 6 and the second gear set 7 can synchronously and equidirectionally rotate, the first-stage arm 4 and the chain block 14 can synchronously extend or retract, the telescopic distances of the first-stage arm 4 and the chain block 14 are matched, the first-stage arm 4 and the chain block 14 can hook the goods at the appointed position when extending, the goods can be carried to the appointed position to be unloaded when the first-stage arm 4 and the chain block 14 retract, the assembly line operation can be realized continuously and repeatedly, the working efficiency is improved, meanwhile, the carrying range of the crane can be increased while the crane can adapt to a small area, and the crane can better adapt to various working environments.