CN111017729A - Crane capable of adjusting pulling speed according to different weights - Google Patents
Crane capable of adjusting pulling speed according to different weights Download PDFInfo
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- CN111017729A CN111017729A CN201911381183.5A CN201911381183A CN111017729A CN 111017729 A CN111017729 A CN 111017729A CN 201911381183 A CN201911381183 A CN 201911381183A CN 111017729 A CN111017729 A CN 111017729A
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- cavity
- bevel gear
- gear
- rotating shaft
- transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
Abstract
The crane capable of adjusting the pulling speed according to different weights comprises a crane body, wherein a weight detection device is arranged in the crane body, a lower pressing block is arranged in the weight detection device, a quick lifting device is arranged on the right side of the weight detection device, the weight detection device is arranged in the crane body, the weight of an object is detected in real time, the next transmission is convenient to perform, the processing efficiency is high, the quick lifting device is arranged on the right side of the weight detection device, when the weight of the object is light, the crane is lifted quickly, the working efficiency is improved, a slow lifting device is arranged on the upper side of the quick lifting device, when the weight of the object is too heavy, the crane is lifted slowly, the phenomenon that the device is damaged due to too quick lifting is avoided, an overweight alarm device is arranged on the right side of the weight detection device, and when the weight of.
Description
Technical Field
The invention relates to the field of cranes, in particular to a crane capable of adjusting the pulling speed according to different weights.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. The existing crane cannot adjust the pulling speed according to different weights of transported articles, so that the pulling part is easy to damage.
Disclosure of Invention
Aiming at the technical defects, the invention provides the crane capable of adjusting the pulling speed according to different weights, which can overcome the defects.
The invention relates to a crane capable of adjusting pulling speed according to different weights, which comprises a machine body, wherein a weight detection device is arranged in the machine body, the weight detection device comprises an ascending cavity positioned in the machine body, an ascending block is slidably connected in the ascending cavity, an article cavity is arranged in the ascending block, a lower pressing block is slidably connected in the article cavity, two first springs are fixedly connected between the lower end surface of the lower pressing block and the lower end wall of the article cavity, an overweight warning device is arranged on the right side of the weight detection device, the overweight warning device comprises an alarm cavity positioned on the right side of the ascending cavity, an alarm is fixedly arranged on the left end wall of the alarm cavity, a first moving block positioned on the right side of the alarm is slidably connected in the alarm cavity, a second spring is fixedly connected between the right end surface of the first moving block and the right end wall of the alarm cavity, and a pull rope is fixedly connected on the left, overweight warning device upside is equipped with the device that rises fast, the device that rises fast is including being located the first transmission chamber on rising piece right side, be equipped with first gear in the first transmission chamber, first transmission chamber left end wall has set firmly the second gear, just the second gear with it connects to rise the piece meshing, first gear remove left with the second gear meshing makes it to rise the piece quick travel that makes, it is equipped with the device that slowly rises to rise the device upside, slowly rise the device including being located the third gear in the first transmission chamber, the third gear is located first gear upside, the third gear remove left with the second gear meshing makes it to rise the piece slow travel that makes.
Preferably, the overweight warning device further comprises a gear cavity located on the lower side of the alarm cavity, a fourth gear is arranged in the gear cavity, a cavity is arranged in the fourth gear, a rotating block is arranged in the cavity, the other end of the pull rope is fixedly connected with the rotating block, and a first rotating shaft extending left and right is further fixedly arranged at the axis of the fourth gear, so that the first rotating shaft rotates to drive the first moving block to move left to be in contact with the alarm to give an alarm.
Preferably, the weight detecting device further comprises two first springs located in the ascending cavity, the two first springs are fixedly connected between the lower end surface of the ascending block and the lower end wall of the ascending cavity, two third springs are fixedly connected between the lower end surface of the lower pressing block and the lower end wall of the article cavity, a second rotating shaft extending downwards is rotatably connected in the lower pressing block, a first bevel gear cavity is arranged at the lower side of the ascending cavity, the second rotating shaft extends downwards into the first bevel gear cavity and is fixedly connected with a first bevel gear, a second bevel gear located at the lower end of the left side of the first bevel gear is further arranged in the first bevel gear cavity, a third rotating shaft extending leftwards is fixedly arranged at the center of the second bevel gear, the third rotating shaft extends leftwards and is in power connection with a first motor located at the left end wall of the first bevel gear cavity, and a third bevel gear is arranged at the right side of the second bevel gear, the first rotating shaft extends to the left into the first bevel gear cavity and is fixedly connected with the third bevel gear, so that the lower pressing block moves downwards to drive the first bevel gear to move downwards to be meshed and connected with the second bevel gear and the third bevel gear, and the first motor is started to drive the third bevel gear to rotate.
Preferably, the fast ascending device further comprises a second transmission cavity located on the right side of the article cavity, a fifth gear is arranged in the second transmission cavity, the fifth gear abuts against the right end wall of the article cavity, a fourth rotating shaft extending forwards is fixedly arranged at the axis of the fifth gear, a fourth bevel gear located on the front side of the fifth gear is fixedly connected to the fourth rotating shaft, a fifth bevel gear is connected to the front side of the fourth bevel gear in a meshing manner, a fifth rotating shaft extending rightwards is fixedly arranged at the axis of the fifth bevel gear, a second bevel gear cavity is arranged on the right side of the second transmission cavity, the fifth rotating shaft extends rightwards into the second bevel gear cavity and is fixedly connected to a sixth bevel gear, a seventh bevel gear is connected to the right side of the sixth bevel gear in a meshing manner, a sixth rotating shaft extending upwards is fixedly arranged at the axis of the seventh bevel gear, and a first moving cavity is arranged on the upper side of the second bevel gear cavity, the sixth rotating shaft extends upwards into the first moving cavity and is fixedly connected with a cam, a second moving block positioned on the left side of the cam is slidably connected in the first moving cavity, two fourth springs are fixedly connected between the right end surface of the second moving block and the right end wall of the first moving cavity, a seventh rotating shaft extending leftwards is rotatably connected in the second moving block, the seventh rotating shaft extends leftwards into the first moving cavity and is fixedly connected with an eighth bevel gear, the rear side of the eighth bevel gear is engaged and connected with a ninth bevel gear, an eighth rotating shaft extending backwards is fixedly arranged at the axle center of the ninth bevel gear, the first gear is fixedly connected with the eighth rotating shaft, the eighth rotating shaft extends rightwards and is in power connection with a second motor positioned on the rear end wall of the first moving cavity, so that the fifth gear rotates to drive the first gear to move leftwards, so that the first gear is meshed with the second gear, and the lifting block moves upwards quickly.
Preferably, the slow ascending device further comprises a third bevel gear cavity located on the right side of the gear cavity, the first rotating shaft extends to the right into the third bevel gear cavity and is fixedly connected with a tenth bevel gear, the right side of the tenth bevel gear is engaged and connected with a first transmission bevel gear, a ninth rotating shaft extending upwards is fixedly arranged at the center of the first transmission bevel gear, a third transmission cavity is arranged on the upper side of the third bevel gear cavity, the ninth rotating shaft extends upwards into the third transmission cavity and is fixedly connected with a second transmission bevel gear, the rear side of the second transmission bevel gear is engaged and connected with a third transmission bevel gear, a tenth rotating shaft extending backwards is fixedly arranged at the axis of the third transmission bevel gear, a sixth gear located at the rear side of the third transmission bevel gear is fixedly connected to the tenth rotating shaft, and a second moving cavity is also arranged on the upper end wall of the third transmission cavity, a third moving block is slidably connected in the second moving cavity, the lower end face of the third moving block is meshed with the sixth gear, two fifth springs are fixedly connected between the right end face of the third moving block and the right end wall of the second moving cavity, a transmission rotating shaft extending leftwards is rotatably connected in the third moving block, the transmission rotating shaft extends leftwards into the first transmission cavity and is fixedly connected with a fourth transmission bevel gear, the rear side of the fourth transmission bevel gear is meshed with a fifth transmission bevel gear, a transmission rotating shaft extending backwards is fixedly arranged at the axis of the fifth transmission bevel gear, the third gear is fixedly connected with the transmission rotating shaft, the transmission rotating shaft extends rightwards and is in power connection with a third motor positioned on the rear end wall of the first transmission cavity, and therefore, the tenth bevel gear rotates to drive the third gear to move leftwards to be meshed with the second gear, the second gear wheel rotates to drive the ascending block to move upwards slowly.
The invention has the beneficial effects that: the weight detection device is arranged on the right side of the weight detection device, the weight of an object is detected in real time, next-step transmission is convenient to carry out, the processing efficiency is high, the fast lifting device is arranged on the right side of the weight detection device, when the weight of the object is light, the crane quickly lifts, the working efficiency is improved, the slow lifting device is arranged on the upper side of the fast lifting device, when the weight of the object is too heavy, the crane slowly lifts, the phenomenon that the crane excessively quickly lifts to cause damage to the device is avoided, the overweight alarm device is arranged on the right side of the weight detection device, and when the weight of the object is too.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a crane of the present invention, which can adjust the pulling speed according to different weights;
FIG. 2 is an enlarged schematic view of "A" of FIG. 1;
FIG. 3 is an enlarged view of "B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 2.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a crane capable of adjusting pulling speed according to different weights, which is mainly used for protecting the crane, and the invention is further explained by combining the attached drawings of the invention:
the crane capable of adjusting the pulling speed according to different weights comprises a machine body 10, wherein a weight detection device 901 is arranged in the machine body 10, the weight detection device 901 comprises a rising cavity 11 positioned in the machine body 10, a rising block 12 is slidably connected in the rising cavity 11, an article cavity 55 is arranged in the rising block 12, a lower pressing block 13 is slidably connected in the article cavity 55, two first springs 16 are fixedly connected between the lower end surface of the lower pressing block 13 and the lower end wall of the article cavity 55, an overweight warning device 902 is arranged on the right side of the weight detection device 901, the overweight warning device 902 comprises an alarm cavity 30 positioned on the right side of the rising cavity 11, an alarm 29 is fixedly arranged on the left end wall of the alarm cavity 30, a first moving block 31 positioned on the right side of the alarm 29 is slidably connected in the alarm cavity 30, a second spring 32 is fixedly connected between the right end surface of the first moving block 31 and the right end wall of the alarm cavity 30, a pull rope 24 is fixedly connected to the left end face of the first moving block 31, a quick lifting device 903 is arranged on the upper side of the overweight warning device 902, the fast-rise 903 comprises a first transmission chamber 53 located on the right side of the rising block 12, a first gear 56 is arranged in the first transmission cavity 53, a second gear 54 is fixedly arranged on the left end wall of the first transmission cavity 53, and the second gear 54 is engaged with the lifting block 12, the first gear 56 moves leftwards to be engaged with the second gear 54, so that the lifting block 12 moves upwards rapidly, a slow-rise device 904 is arranged on the upper side of the fast-rise device 903, the slow-rise device 904 comprises a third gear 52 positioned in the first transmission cavity 53, the third gear 52 is located at the upper side of the first gear 56, and the third gear 52 moves leftward to be engaged with the second gear 54, so that the ascending block 12 moves upward slowly.
Beneficially, the overweight warning device 902 further includes a gear cavity 25 located at the lower side of the alarm cavity 30, a fourth gear 26 is disposed in the gear cavity 25, a cavity 27 is disposed in the fourth gear 26, a rotating block 28 is disposed in the cavity 27, the other end of the pull rope 24 is fixedly connected to the rotating block 28, and a first rotating shaft 23 extending left and right is further fixedly disposed at the axis of the fourth gear 26, so that the first rotating shaft 23 rotates to drive the first moving block 31 to move left to contact with the alarm 29 to send an alarm.
Advantageously, the weight detecting device 901 further comprises two first springs 16 located in the ascending cavity 11, the two first springs 16 are fixedly connected between the lower end surface of the ascending block 12 and the lower end wall of the ascending cavity 11, two third springs 14 are fixedly connected between the lower end surface of the lower pressing block 13 and the lower end wall of the article cavity 55, a second rotating shaft 15 extending downwards is rotatably connected to the lower pressing block 13, a first bevel gear cavity 17 is provided at the lower side of the ascending cavity 11, the second rotating shaft 15 extends downwards into the first bevel gear cavity 17 and is fixedly connected to a first bevel gear 18, a second bevel gear 21 located at the lower end of the left side of the first bevel gear 18 is further provided in the first bevel gear cavity 17, a third rotating shaft 20 extending leftwards is fixedly provided at the axis of the second bevel gear 21, the third rotating shaft 20 extends leftwards and is in power connection with a first motor 19 located at the left end wall of the first bevel gear cavity 17, the right side of the second bevel gear 21 is provided with a third bevel gear 22, the first rotating shaft 23 extends leftwards into the first bevel gear cavity 17 and is fixedly connected with the third bevel gear 22, so that the lower pressing block 13 moves downwards to drive the first bevel gear 18 to move downwards to be meshed with the second bevel gear 21 and the third bevel gear 22, and the first motor 19 is started to drive the third bevel gear 22 to rotate.
Beneficially, the fast ascending device 903 further includes a second transmission cavity 66 located at the right side of the article cavity 55, a fifth gear 67 is disposed in the second transmission cavity 66, the fifth gear 67 abuts against the right end wall of the article cavity 55, a fourth rotating shaft 69 extending forward is fixedly disposed at the axis of the fifth gear 67, a fourth bevel gear 68 located at the front side of the fifth gear 67 is fixedly connected to the fourth rotating shaft 69, a fifth bevel gear 71 is engaged and connected to the front side of the fourth bevel gear 68, a fifth rotating shaft 70 extending rightward is fixedly disposed at the axis of the fifth bevel gear 71, a second bevel gear cavity 37 is disposed at the right side of the second transmission cavity 66, a sixth bevel gear 38 is fixedly connected to the fifth rotating shaft 70 extending rightward into the second bevel gear cavity 37, a seventh bevel gear 39 is engaged and connected to the right side of the sixth bevel gear 38, a sixth rotating shaft 65 extending upward is fixedly disposed at the axis of the seventh bevel gear 39, a first moving cavity 62 is arranged on the upper side of the second bevel gear cavity 37, the sixth rotating shaft 65 extends upwards into the first moving cavity 62 and is fixedly connected with a cam 60, a second moving block 63 positioned on the left side of the cam 60 is slidably connected into the first moving cavity 62, two fourth springs 61 are fixedly connected between the right end surface of the second moving block 63 and the right end wall of the first moving cavity 62, a seventh rotating shaft 64 extending leftwards is rotatably connected with the second moving block 63, the seventh rotating shaft 64 extends leftwards into the first transmission cavity 53 and is fixedly connected with an eighth bevel gear 59, a ninth bevel gear 57 is engaged and connected with the rear side of the eighth bevel gear 59, an eighth rotating shaft 58 extending backwards is fixedly arranged at the axis of the ninth bevel gear 57, the first gear 56 is fixedly connected with the eighth rotating shaft 58, the eighth rotating shaft 58 extends rightwards and is in power connection with a second motor 73 positioned on the rear end wall of the first transmission cavity 53, therefore, the fifth gear 67 rotates to drive the first gear 56 to move leftward, so that the first gear 56 is meshed with the second gear 54, and the lifting block 12 moves upward rapidly.
Beneficially, the slow-raising device 904 further includes a third bevel gear cavity 33 located on the right side of the gear cavity 25, the first rotating shaft 23 extends rightward into the third bevel gear cavity 33 and is fixedly connected with a tenth bevel gear 34, the right side of the tenth bevel gear 34 is engaged with a first transmission bevel gear 35, an upwardly extending ninth rotating shaft 36 is fixedly arranged at the axis of the first transmission bevel gear 35, a third transmission cavity 40 is arranged on the upper side of the third bevel gear cavity 33, the ninth rotating shaft 36 extends upward into the third transmission cavity 40 and is fixedly connected with a second transmission bevel gear 41, a third transmission bevel gear 43 is engaged and connected with the rear side of the second transmission bevel gear 41, a rearwardly extending tenth rotating shaft 42 is fixedly arranged at the axis of the third transmission bevel gear 43, a sixth gear 44 located at the rear side of the third transmission bevel gear 43 is fixedly connected to the tenth rotating shaft 42, a second moving cavity 47 is also arranged on the upper end wall of the third transmission cavity 40, a third moving block 46 is slidably connected in the second moving cavity 47, the lower end surface of the third moving block 46 is engaged with the sixth gear 44, two fifth springs 45 are fixedly connected between the right end surface of the third moving block 46 and the right end wall of the second moving cavity 47, a transmission rotating shaft 48 extending leftwards is rotatably connected in the third moving block 46, the transmission rotating shaft 48 extends leftwards into the first transmission cavity 53 and is fixedly connected with a fourth transmission bevel gear 49, a fifth transmission bevel gear 51 is engaged and connected on the rear side of the fourth transmission bevel gear 49, a transmission rotating shaft 50 extending backwards is fixedly arranged at the axis of the fifth transmission bevel gear 51, the third gear 52 is fixedly connected with the transmission rotating shaft 50, the transmission rotating shaft 50 extends rightwards and is in power connection with a third motor 72 positioned on the rear end wall of the first transmission cavity 53, the tenth bevel gear 34 rotates to drive the third gear 52 to move leftwards to be meshed with the second gear 54, and the second gear 54 rotates to drive the ascending block 12 to move upwards slowly.
The following detailed description of the using steps of a crane capable of adjusting the pulling rate according to different weights in conjunction with fig. 1 to 5 is provided:
initially, the lower press block 13 is located at the upper portion of the second transmission chamber 66, the second gear 54 is not engaged with the third gear 52, the second gear 54 is not engaged with the first gear 56, the first bevel gear 18 is not engaged with the second bevel gear 21, and the first bevel gear 18 is not engaged with the third bevel gear 22.
When the article to be transported is light, the lower pressing block 13 moves downwards to drive the fifth gear 67 to rotate, so that the fourth rotating shaft 69 rotates, the fourth bevel gear 68 rotates to drive the fifth bevel gear 71 to rotate, the fifth rotating shaft 70 rotates, the sixth bevel gear 38 rotates to drive the seventh bevel gear 39 to rotate, so that the sixth rotating shaft 65 rotates, the cam 60 rotates to drive the second moving block 63 to move leftwards, so that the seventh rotating shaft 64, the eighth bevel gear 59, the eighth rotating shaft 58, the ninth bevel gear 57 and the ninth bevel gear 57 move leftwards, the first gear 56 is meshed with the second gear 54, the second motor 73 is started to drive the eighth rotating shaft 58 to rotate, so that the first gear 56 rotates, and the second gear 54 rotates to drive the lifting block 12 to quickly lift;
when the article is too heavy, the lower pressing block 13 moves downwards to drive the second rotating shaft 15 and the first bevel gear 18 to move downwards, so that the left side of the first bevel gear 18 is meshed with the second bevel gear 21, meanwhile, the right side of the first bevel gear 18 is meshed with the third bevel gear 22, the first motor 19 is started to drive the third rotating shaft 20 to rotate, so that the second bevel gear 21 rotates, further, the first bevel gear 18 rotates to drive the third bevel gear 22 to rotate, so that the first rotating shaft 23 rotates, further, the first rotating shaft 23 rotates, and the fourth gear 26 and the tenth bevel gear 34 rotate;
the fourth gear 26 rotates to drive the rotating block 28 to rotate, and the pulling rope 24 is pulled, so that the first moving block 31 moves leftwards to be in contact with the alarm 29, and an alarm is given;
the tenth bevel gear 34 rotates to drive the first transmission bevel gear 35 to rotate, so that the ninth rotating shaft 36 rotates, the second transmission bevel gear 41 rotates to drive the third transmission bevel gear 43 to rotate, the tenth rotating shaft 42 rotates, the sixth gear 44 rotates to drive the third moving block 46 to move rightwards, so that the transmission rotating shaft 48, the fourth transmission bevel gear 49, the transmission rotating shaft 50, the fifth transmission bevel gear 51, the third gear 52 moves leftwards, the third gear 52 is meshed with the second gear 54, the third motor 72 is started to drive the transmission rotating shaft 50 to rotate, so that the third gear 52 rotates, the second gear 54 rotates to drive the lifting block 12 to slowly lift, the work is completed, and the device returns to the initial state.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. A crane capable of adjusting pulling speed according to different weights comprises a crane body;
a weight detection device is arranged in the machine body, the weight detection device comprises an ascending cavity positioned in the machine body, an ascending block is slidably connected in the ascending cavity, an article cavity is arranged in the ascending block, a lower pressing block is slidably connected in the article cavity, two first springs are fixedly connected between the lower end surface of the lower pressing block and the lower end wall of the article cavity, an overweight warning device is arranged on the right side of the weight detection device, the overweight warning device comprises an alarm cavity positioned on the right side of the ascending cavity, an alarm is fixedly arranged on the left end wall of the alarm cavity, a first moving block positioned on the right side of the alarm is slidably connected in the alarm cavity, a second spring is fixedly connected between the right end surface of the first moving block and the right end wall of the alarm cavity, a stay cord is fixedly connected on the left end surface of the first moving block, and a rapid ascending device is arranged, the quick rising device comprises a first transmission cavity located on the right side of the rising block, a first gear is arranged in the first transmission cavity, a second gear is fixedly arranged on the left end wall of the first transmission cavity, the second gear is meshed with the rising block and connected with the rising block, the first gear moves leftwards and is meshed with the second gear, so that the rising block moves upwards and quickly, a slow rising device is arranged on the upper side of the quick rising device and comprises a third gear located in the first transmission cavity, the third gear is located on the upper side of the first gear, the third gear moves leftwards and is meshed with the second gear, and the rising block moves upwards and slowly.
2. The crane capable of adjusting the pulling speed according to different weights as claimed in claim 1, wherein: the overweight warning device also comprises a gear cavity positioned at the lower side of the alarm cavity;
the gear cavity is internally provided with a fourth gear, the fourth gear is internally provided with a cavity, the cavity is internally provided with a rotating block, the other end of the pull rope is fixedly connected with the rotating block, and the axle center of the fourth gear is fixedly provided with a first rotating shaft extending leftwards and rightwards, so that the first rotating shaft rotates to drive the first moving block to move leftwards to be in contact with the alarm to send an alarm.
3. The crane capable of adjusting the pulling speed according to different weights as claimed in claim 1, wherein: the weight detection device also comprises two first springs positioned in the lifting cavity;
the two first springs are fixedly connected between the lower end face of the ascending block and the lower end wall of the ascending cavity, two third springs are fixedly connected between the lower end face of the lower pressing block and the lower end wall of the article cavity, a second rotating shaft which extends downwards is rotatably connected in the lower pressing block, a first bevel gear cavity is arranged at the lower side of the ascending cavity, the second rotating shaft extends downwards into the first bevel gear cavity and is fixedly connected with a first bevel gear, a second bevel gear which is positioned at the lower end of the left side of the first bevel gear is further arranged in the first bevel gear cavity, a third rotating shaft which extends leftwards is fixedly arranged at the gear axle center, the third rotating shaft extends leftwards and is in power connection with a first motor which is positioned at the left end wall of the first bevel gear cavity, a third bevel gear is arranged at the right side of the second bevel gear, and the first rotating shaft extends leftwards into the first bevel gear cavity and is fixedly connected with the third bevel, therefore, the lower pressing block moves downwards to drive the first bevel gear to move downwards to be in meshed connection with the second bevel gear and the third bevel gear, and the first motor is started to drive the third bevel gear to rotate.
4. The crane capable of adjusting the pulling speed according to different weights as claimed in claim 1, wherein: the quick lifting device also comprises a second transmission cavity positioned on the right side of the article cavity;
a fifth gear is arranged in the second transmission cavity and is abutted against the right end wall of the article cavity, a fourth rotating shaft extending forwards is fixedly arranged at the axis of the fifth gear, a fourth bevel gear positioned in front of the fifth gear is fixedly connected onto the fourth rotating shaft, a fifth bevel gear is meshed and connected with the front side of the fourth bevel gear, a fifth rotating shaft extending rightwards is fixedly arranged at the axis of the fifth bevel gear, a second bevel gear cavity is arranged at the right side of the second transmission cavity, the fifth rotating shaft extends rightwards into the second bevel gear cavity and is fixedly connected with a sixth bevel gear, a seventh bevel gear is meshed and connected with the right side of the sixth bevel gear, a sixth rotating shaft extending upwards is fixedly arranged at the axis of the seventh bevel gear, a first moving cavity is arranged at the upper side of the second bevel gear cavity, and the sixth rotating shaft extends upwards into the first moving cavity and is fixedly connected with a cam, a second moving block positioned on the left side of the cam is slidably connected in the first moving cavity, two fourth springs are fixedly connected between the right end face of the second moving block and the right end wall of the first moving cavity, a seventh rotating shaft extending leftwards is rotatably connected in the second moving block, the seventh rotating shaft extends leftwards into the first driving cavity and is fixedly connected with an eighth bevel gear, the rear side of the eighth bevel gear is in meshing connection with a ninth bevel gear, the axis of the ninth bevel gear is fixedly provided with an eighth rotating shaft extending backwards, the first gear is fixedly connected with the eighth rotating shaft, the eighth rotating shaft extends rightwards and is in power connection with a second motor positioned on the rear end wall of the first driving cavity, so that the fifth gear rotates to drive the first gear to move leftwards, and the first gear is in meshing connection with the second gear, and the rising block moves up quickly.
5. The crane capable of adjusting the pulling speed according to different weights as claimed in claim 1, wherein: the slow-raising device further comprises a third bevel gear cavity positioned on the right side of the gear cavity;
the first rotating shaft extends rightwards into the third bevel gear cavity and is fixedly connected with a tenth bevel gear, the right side of the tenth bevel gear is meshed and connected with a first transmission bevel gear, a ninth rotating shaft extending upwards is fixedly arranged at the axle center of the first transmission bevel gear, a third transmission cavity is arranged at the upper side of the third bevel gear cavity, the ninth rotating shaft extends upwards into the third transmission cavity and is fixedly connected with a second transmission bevel gear, the rear side of the second transmission bevel gear is meshed and connected with a third transmission bevel gear, a tenth rotating shaft extending backwards is fixedly arranged at the axle center of the third transmission bevel gear, a sixth gear positioned at the rear side of the third transmission bevel gear is fixedly connected onto the tenth rotating shaft, the upper end wall of the third transmission cavity is also provided with a second moving cavity, a third moving block is slidably connected into the second moving cavity, and the lower end face of the third moving block is meshed and connected with the sixth gear, two fifth springs are fixedly connected between the right end face of the third moving block and the right end wall of the second moving chamber, a transmission rotating shaft extending leftwards is connected in the third moving block in a rotating mode, the transmission rotating shaft extends leftwards into the first transmission chamber and is fixedly connected with a fourth transmission bevel gear, the rear side of the fourth transmission bevel gear is connected with a fifth transmission bevel gear in a meshing mode, a transmission rotating shaft extending backwards is fixedly arranged at the axis of the fifth transmission bevel gear, the third gear is fixedly connected with the transmission rotating shaft, the transmission rotating shaft extends rightwards and is in power connection with a third motor located on the rear end wall of the first transmission chamber, and therefore the tenth bevel gear rotates to drive the third gear to move leftwards to be meshed with the second gear, and the second gear rotates to drive the ascending block to move upwards slowly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381183.5A CN111017729B (en) | 2019-12-28 | 2019-12-28 | Crane capable of adjusting pulling speed according to different weights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381183.5A CN111017729B (en) | 2019-12-28 | 2019-12-28 | Crane capable of adjusting pulling speed according to different weights |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111017729A true CN111017729A (en) | 2020-04-17 |
| CN111017729B CN111017729B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911381183.5A Active CN111017729B (en) | 2019-12-28 | 2019-12-28 | Crane capable of adjusting pulling speed according to different weights |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108944113A (en) * | 2018-08-22 | 2018-12-07 | 郭林惠 | A kind of convenient and fast stapler |
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| CN201195665Y (en) * | 2008-02-25 | 2009-02-18 | 江苏省特种设备安全监督检验研究院 | Electrical control equipment for load speed governing crane |
| CN103043534A (en) * | 2012-12-24 | 2013-04-17 | 西安理工大学 | Tower crane hoisting and speed control system and speed control method thereof |
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| CN111017729B (en) | 2021-05-04 |
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