CN110937491B - Hoisting device with overweight safeguard function - Google Patents
Hoisting device with overweight safeguard function Download PDFInfo
- Publication number
- CN110937491B CN110937491B CN201910951955.8A CN201910951955A CN110937491B CN 110937491 B CN110937491 B CN 110937491B CN 201910951955 A CN201910951955 A CN 201910951955A CN 110937491 B CN110937491 B CN 110937491B
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- plate
- shaped rod
- hoisting device
- shaped
- plates
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention provides a hoisting device with an overweight protection function, and belongs to the field of engineering machinery. The automobile crane is provided with supporting legs and lifting hooks, the lifting hooks are provided with two lifting hooks, the automobile crane further comprises at least four lifting appliances, each lifting appliance comprises a bottom plate, a baffle is vertically arranged at one end above the bottom plate, a fixing plate is horizontally arranged on the baffle and above the bottom plate, a guide opening is formed in the fixing plate, a guide pillar is arranged in the guide opening, a clamping plate is arranged on the guide pillar and below the fixing plate, and the automobile crane further comprises a transmission mechanism for controlling the clamping plate to do vertical reciprocating linear motion; the lifting appliance is characterized by further comprising a base, wherein the base is arranged between the clamping plate and the bottom plate, and the four lifting appliances are arranged at four corners of the base. The invention has the beneficial effects that: different bases can be configured according to transformers of different models, and lifting of the transformers is facilitated.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a hoisting device with an overweight protection function.
Background
In the electrical equipment installation engineering, transformer installation is an indispensable content, and because transformer is bulky, heavy, transformer hoist and mount often need sufficient personnel and longer time to accomplish as a key point of electrical equipment installation. The existing transformer is generally installed and hoisted by an automobile crane, and the transformer has various types, different models, different volumes and different weights, and sometimes overweight conditions occur. In addition, in order to guarantee the service life of the transformer and avoid the ventilation of the bottom of the transformer, a base needs to be preset at the position where the transformer is placed, and then the transformer is installed.
Disclosure of Invention
The invention aims to provide a hoisting device with an overweight protection function, which is provided with different bases according to different types of transformers and corresponding hoisting structures, can fix the bases and play a role in assisting hoisting.
The invention is realized by the following measures: a hoisting device with an overweight protection function comprises an automobile crane, wherein the automobile crane is provided with two supporting legs and a lifting hook, and is characterized by further comprising at least four lifting appliances, each lifting appliance comprises a bottom plate, a baffle is vertically arranged at one end above the bottom plate, a fixing plate is horizontally arranged on the baffle and above the bottom plate, a guide opening is formed in the fixing plate, a guide pillar is arranged in the guide opening, a clamping plate is arranged on the guide pillar and below the fixing plate, and the hoisting device further comprises a transmission mechanism for controlling the clamping plate to do vertical reciprocating linear motion;
the lifting appliance is characterized by further comprising a base, wherein the base is arranged between the clamping plate and the bottom plate, and the four lifting appliances are arranged at four corners of the base. One lifting hook is directly used for hanging a lifting ring on the transformer, and the other lifting hook is used for lifting the lifting appliance.
The bottom of the supporting leg is provided with a first gravity sensor, the first gravity sensor is electrically connected with a controller, and the controller is electrically connected with an alarm device. According to the pressure of four supporting legs when the crane lifts by crane, judge the balance of crane, when certain supporting leg and other supporting leg pressure differentials surpass a definite value, will probably take place the risk of toppling, alarm device reminds in the crane driver's cabin.
The transmission mechanism comprises an upper V-shaped rod and a lower V-shaped rod, the connecting end of the upper V-shaped rod is hinged with the connecting end of the lower V-shaped rod, the lower V-shaped rod is composed of two V-shaped plates, the two V-shaped plates are hinged to two sides of the upper V-shaped rod, vertical plates are arranged on two sides of one end, far away from the baffle, of the fixing plate, a hinged shaft is arranged between the two vertical plates, one end of the opening end of the upper V-shaped rod is hinged to the hinged shaft, and one end of the opening end of the two V-shaped plates is hinged to the guide pillar;
the bottom end of the screw rod is provided with a fixed column through a bearing, a slider nut is arranged on the screw rod in a threaded connection mode, the other end of the opening end of the upper V-shaped rod is hinged to the slider nut, and the other ends of the opening ends of the two V-shaped plates are hinged to the fixed column;
the open end of the upper V-shaped rod faces upwards. The axis of the articulated shaft and the central point of the guide post are positioned on the same plane. And the vertical distance of all hinge points of the upper V-shaped rod is the same as that of all hinge points of the lower V-shaped rod. The included angle between the upper V-shaped rod and the lower V-shaped rod is the same, and is less than 90 degrees, preferably between 40 degrees and 60 degrees, so that the normal movement of the device can be ensured. A rotating handle is arranged at the top end of the screw rod, the rotating handle is rotated, the screw rod rotates in the fixed column, the slider nut can move up and down, when the slider nut moves down, the upper V-shaped rod is pulled to move, one end of the upper V-shaped rod moves down, the other end of the upper V-shaped rod can only rotate under the limitation of the hinge shaft, the whole upper V-shaped rod rotates along the hinge shaft, the lower V-shaped rod rotates along the hinge position of the upper V-shaped rod, finally, the same side rods of the upper V-shaped rod and the lower V-shaped rod tend to be a straight line, and the clamping plate moves down; when upwards moving, the rotation direction is opposite, so that the included angle between the upper V-shaped rod and the lower V-shaped rod and the side rod is smaller and smaller, and the clamping plate moves upwards.
The two vertical plates and the two sides of the lower V-shaped rod are fixedly provided with plates, the movable plate further comprises a rectangular block arranged in the middle of one side of the movable plate, an inclined plane is arranged on the rectangular block, the movable plate is arranged on the two plates through springs, the inclined plane faces the lower V-shaped rod, the outer end face of the movable plate exceeds the vertical plates, and the inclined plane faces downwards. When the lower V-shaped rod rotates downwards, the movable plate moves inwards under the action of the spring, the inclined surface can be abutted against the side wall of the transformer, and the movable plate can have a certain clamping effect on the transformer. The plate can be connected and arranged on the vertical plate through bolts, and the vertical plate is provided with a plurality of adjusting holes for adjusting the position of the plate in the vertical direction.
And a limiting block is arranged on the inclined surface of the rectangular block and is positioned above the guide pillar. The limiting block can be used for limiting the guide pillar to move upwards so as to ensure that the clamping plate is not loosened, and the locking effect of the lifting appliance is better under the action of the gravity of the transformer during lifting.
A plurality of bosses are arranged below the base. The clamping of the lifting appliance is convenient.
And a second gravity sensor is arranged on the bottom plate, electrically connected with the controller, and electrically connected with the alarm device. When the landing leg takes place to slide, influence the measuring accuracy.
A connecting plate is arranged between the tops of the two vertical plates, and a lifting ring is fixedly arranged on the connecting plate.
And a first protection plate made of a flexible material is arranged on the outer side of the baffle.
Two of the same end are connected through a turn buckle, the turn buckle is arranged on the inner side of the fixing plate, and a second protection plate is arranged on the other side of the fixing plate. The protection plate is used for preventing the transformer or the surface of the building from being damaged when the transformer touches the building in the hoisting process.
The types of the gravity sensor I and the gravity sensor II can be set according to actual use requirements, the installation mode can adopt the prior art, and the corresponding controller and the corresponding alarm device can be realized by adopting the prior art, so that the details are not repeated.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a base and still set up corresponding hoisting structure according to different transformer configurations is different, not only can the unable adjustment base can also play supplementary hoist and mount's effect to all set up gravity sensor on mobile crane's landing leg and bottom plate, provide dual guarantee for the security of hoist and mount.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Fig. 4 is a schematic structural view of the spreader with the protection plate removed.
Fig. 5 is a partial schematic structural view of the spreader.
Fig. 6 is a schematic structural view of the related parts of the movable plate.
Wherein the reference numerals are: 1. A spreader; 2. a transformer; 3. a base; 4. a turn buckle; 5. a first protection plate; 6. a second protection plate; 101. a base plate; 102. a baffle plate; 103. a fixing plate; 104. a vertical plate; 105. an upper V-shaped rod; 106. a lower V-shaped rod; 107. hinging a shaft; 108. a plate; 109. a spring; 110. a connecting plate; 111. a hoisting ring; 112. a screw; 113. a sliding nut; 114. fixing a column; 115. rotating the handle; 116. a guide post; 117. a splint; 118. a second gravity sensor; 119. a movable plate; 120. a rectangular block; 121. an inclined surface; 122. a limiting block; 301. and (4) a boss.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 6, a hoisting device with an overweight protection function comprises an automobile crane, the automobile crane is provided with two supporting legs and two lifting hooks, the hoisting device further comprises at least four hoisting tools 1, the hoisting tools 1 comprise a bottom plate 101, a baffle plate 102 is vertically arranged at one end above the bottom plate 101, a fixing plate 103 is horizontally arranged on the baffle plate 102 and above the bottom plate 101, a guide opening is arranged on the fixing plate 103, a guide pillar 116 is arranged in the guide opening, a clamping plate 117 is arranged on the guide pillar 116 and below the fixing plate 103, and the hoisting device further comprises a transmission mechanism for controlling the clamping plate 117 to do vertical reciprocating linear motion;
the lifting appliance further comprises a base 3, wherein the base 3 is arranged between the clamping plate 117 and the bottom plate 101, and four lifting appliances 1 are arranged at four corners of the base 3. One hook is directly used for hanging a hanging ring on the transformer, the other hook is used for hanging the lifting appliance 1, and the arrangement of the two hooks can adopt the prior art.
The bottom of the supporting leg is provided with a first gravity sensor, the first gravity sensor is electrically connected with a controller, and the controller is electrically connected with an alarm device.
The transmission mechanism comprises an upper V-shaped rod 105 and a lower V-shaped rod 106, the connecting end of the upper V-shaped rod 105 is hinged with the connecting end of the lower V-shaped rod 106, the lower V-shaped rod 106 is composed of two V-shaped plates, the two V-shaped plates are hinged to two sides of the upper V-shaped rod 105, vertical plates 104 are arranged on two sides of one end, far away from the baffle plate 102, of the fixing plate 103, a hinge shaft 107 is arranged between the two vertical plates 104, one end of the opening end of the upper V-shaped rod 105 is hinged to the hinge shaft 107, and one end of the opening end of the two V-shaped plates is hinged to the guide post 116;
the V-shaped rod assembly further comprises a screw rod 112, the bottom end of the screw rod 112 is provided with a fixed column 114 through a bearing, a slider nut 114 is arranged on the screw rod 112 in a threaded connection mode, the other end of the opening end of the upper V-shaped rod 105 is hinged to the slider nut 114, and the other ends of the opening ends of the two V-shaped plates are hinged to the fixed column 114;
the open end of the upper V-bar 105 faces upward. The axis of the hinge shaft 107 is in the same plane with the center point of the guide post 116. The vertical distance of all the hinge points of the upper V-shaped bar 105 is the same as the vertical distance of all the hinge points of the lower V-shaped bar 106. The angle between the upper V-bar 105 and the lower V-bar 106 is the same and is less than 90 degrees, preferably between 40 and 60 degrees, to ensure proper movement of the device. A rotating handle 115 is arranged at the top end of the screw rod 112, the rotating handle 115 is rotated, the screw rod 112 rotates in a fixed column 114, a slider nut 113 moves up and down, when the slider nut moves down, the upper V-shaped rod 105 is pulled to move, one end of the upper V-shaped rod 105 moves down, the other end of the upper V-shaped rod 105 can only rotate under the limitation of a hinge shaft 107, the whole upper V-shaped rod 105 rotates along the hinge shaft 107, the lower V-shaped rod 106 rotates along the hinge position of the upper V-shaped rod 105, and finally the same side rods of the upper V-shaped rod 105 and the lower V-shaped rod 106 tend to be in a straight line, and a clamping plate 117 moves down; when moving upwards, the rotation directions are opposite, so that the included angle between the same side rods of the upper V-shaped rod 105 and the lower V-shaped rod 106 is smaller and smaller, and the clamping plate 117 moves upwards.
The two vertical plates 104 are fixedly provided with plates 108 on two sides of the lower V-shaped rod 106, and further comprise movable plates 119, a rectangular block 120 is arranged in the middle of one side of each movable plate 119, an inclined surface 121 is arranged on each rectangular block 120, each movable plate 119 is arranged on each of the two plates 119 through a spring 109, each inclined surface 121 faces the lower V-shaped rod 106, the outer end surface of each movable plate 119 exceeds the corresponding vertical plate 104, and each inclined surface 121 faces downwards. When the lower V-shaped rod 106 rotates downward, the movable plate 119 moves inward under the action of the spring 109, the inclined surface 121 abuts against the sidewall of the transformer, and the movable plate 119 can have a certain clamping effect on the transformer.
The inclined surface 121 of the rectangular block 120 is provided with a limit block 122, and the limit block 122 is located above the guide post 116. The stopper 122 can be used to limit the upward movement of the guide post 116, so as to ensure that the clamp plate 117 does not loosen, and the locking effect of the lifting appliance is better under the action of the gravity of the transformer during lifting.
A plurality of bosses 301 are arranged below the base 3. The clamping of the lifting appliance is convenient.
The second gravity sensor 118 is arranged on the bottom plate 101, the second gravity sensor 118 is electrically connected with the controller, and the controller is electrically connected with the alarm device. When the landing leg takes place to slide, influence the measuring accuracy.
A connecting plate 110 is arranged between the tops of the two vertical plates 104, and a hanging ring 111 is fixedly arranged on the connecting plate 110.
The outer side of the baffle plate 102 is provided with a first protection plate 5 made of flexible materials.
Two lifting appliances 1 at the same end are connected through a turn buckle 4, the turn buckle 4 is arranged on the inner side of the fixing plate 103, and the other side of the fixing plate 106 is provided with a second protection plate 6. The protection plate is used for preventing the transformer or the surface of a building from being damaged when the transformer touches the building in the hoisting process.
The types of the gravity sensor I and the gravity sensor II can be set according to actual use requirements, the installation mode can adopt the prior art, and the corresponding controller and the alarm device can be realized by adopting the prior art, so that the details are not repeated.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (9)
1. A hoisting device with an overweight protection function comprises an automobile crane, wherein the automobile crane is provided with two supporting legs and a lifting hook, and is characterized by further comprising at least four lifting appliances, each lifting appliance comprises a bottom plate, a baffle is vertically arranged at one end above the bottom plate, a fixing plate is horizontally arranged on the baffle and above the bottom plate, a guide opening is formed in the fixing plate, a guide pillar is arranged in the guide opening, a clamping plate is arranged on the guide pillar and below the fixing plate, and the hoisting device further comprises a transmission mechanism for controlling the clamping plate to do vertical reciprocating linear motion;
the four lifting appliances are arranged at four corners of the base;
the transmission mechanism comprises an upper V-shaped rod and a lower V-shaped rod, the connecting end of the upper V-shaped rod is hinged with the connecting end of the lower V-shaped rod, the lower V-shaped rod is composed of two V-shaped plates, the two V-shaped plates are hinged to two sides of the upper V-shaped rod, vertical plates are arranged on two sides of one end, far away from the baffle, of the fixing plate, a hinged shaft is arranged between the two vertical plates, one end of the opening end of the upper V-shaped rod is hinged to the hinged shaft, and one end of the opening end of the two V-shaped plates is hinged to the guide pillar;
the bottom end of the screw rod is provided with a fixed column through a bearing, a slider nut is arranged on the screw rod in a threaded connection mode, the other end of the opening end of the upper V-shaped rod is hinged to the slider nut, and the other ends of the opening ends of the two V-shaped plates are hinged to the fixed column;
the opening end of the upper V-shaped rod faces upwards;
the axis of the hinge shaft and the central point of the guide pillar are positioned on the same plane, the vertical distance of all hinge points of the upper V-shaped rod is the same as that of all hinge points of the lower V-shaped rod, the included angle of the upper V-shaped rod is the same as that of the lower V-shaped rod, and the included angle is smaller than 90 degrees.
2. The hoisting device with the overweight protection function as claimed in claim 1, wherein the first gravity sensor is arranged at the bottom of the supporting leg, the first gravity sensor is electrically connected with the controller, and the controller is electrically connected with the alarm device.
3. The hoisting device with overweight protection function as claimed in claim 2, wherein two vertical plates are fixedly provided with plates at two sides of the lower V-shaped bar, and further comprising a movable plate, a rectangular block is provided at the middle position of one side of the movable plate, an inclined surface is provided on the rectangular block, the movable plate is provided on the two plates through a spring, the inclined surface faces the lower V-shaped bar, the outer end surface of the movable plate exceeds the vertical plates, and the inclined surface faces downwards.
4. The hoisting device with overweight protection function as claimed in claim 3, wherein the inclined surface of the rectangular block is provided with a limiting block, and the limiting block is positioned above the guide post.
5. The hoisting device with overweight protection function as claimed in claim 3, wherein a plurality of bosses are arranged below the base.
6. The hoisting device with the overweight protection function as claimed in claim 5, wherein the bottom plate is provided with a second gravity sensor, the second gravity sensor is electrically connected with the controller, and the controller is electrically connected with the alarm device.
7. The hoisting device with the overweight protection function as claimed in claim 1, wherein a connecting plate is arranged between the tops of the two vertical plates, and a hanging ring is fixedly arranged on the connecting plate.
8. The hoisting device with overweight protection function as claimed in claim 1, wherein the outside of the baffle is provided with a first protection plate made of flexible material.
9. The hoisting device with the overweight protection function of claim 1 wherein two hoists at the same end are connected through a turn-buckle bolt, the turn-buckle bolt is arranged at the inner side of the fixed plate, and the other side of the fixed plate is provided with a second protection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951955.8A CN110937491B (en) | 2019-10-09 | 2019-10-09 | Hoisting device with overweight safeguard function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951955.8A CN110937491B (en) | 2019-10-09 | 2019-10-09 | Hoisting device with overweight safeguard function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110937491A CN110937491A (en) | 2020-03-31 |
| CN110937491B true CN110937491B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951955.8A Active CN110937491B (en) | 2019-10-09 | 2019-10-09 | Hoisting device with overweight safeguard function |
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| CN (1) | CN110937491B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213366B (en) * | 2021-04-16 | 2022-09-23 | 蔚蓝计划(北京)科技有限公司 | Energy-absorbing protection device for processing high-altitude falling stones of geological exploration machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1794850C (en) * | 1991-02-19 | 1993-02-15 | Производственное объединение "Марийский машиностроитель" | Gripper-turner |
| CN102774737A (en) * | 2012-08-03 | 2012-11-14 | 上海电气电站设备有限公司 | Multi-claw hanger capable of adjusting positions of lifting claws synchronously |
| CN103009470A (en) * | 2012-12-12 | 2013-04-03 | 福建泉工股份有限公司 | Fully-automatic trimming hanger for aerated concrete production line and trimming method |
| CN106986266A (en) * | 2016-12-20 | 2017-07-28 | 浙江福林国润汽车零部件有限公司 | A kind of engine assembly transporter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204400498U (en) * | 2014-12-09 | 2015-06-17 | 芜湖长信科技股份有限公司 | Hanging apparatus |
| CN208856772U (en) * | 2018-08-16 | 2019-05-14 | 合肥市宏发起重机有限公司 | A kind of anti-skidding boom hoisting of crane beam |
-
2019
- 2019-10-09 CN CN201910951955.8A patent/CN110937491B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1794850C (en) * | 1991-02-19 | 1993-02-15 | Производственное объединение "Марийский машиностроитель" | Gripper-turner |
| CN102774737A (en) * | 2012-08-03 | 2012-11-14 | 上海电气电站设备有限公司 | Multi-claw hanger capable of adjusting positions of lifting claws synchronously |
| CN103009470A (en) * | 2012-12-12 | 2013-04-03 | 福建泉工股份有限公司 | Fully-automatic trimming hanger for aerated concrete production line and trimming method |
| CN106986266A (en) * | 2016-12-20 | 2017-07-28 | 浙江福林国润汽车零部件有限公司 | A kind of engine assembly transporter |
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| CN110937491A (en) | 2020-03-31 |
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