CN116812738A - Self-locking lifting device - Google Patents
Self-locking lifting device Download PDFInfo
- Publication number
- CN116812738A CN116812738A CN202310770001.3A CN202310770001A CN116812738A CN 116812738 A CN116812738 A CN 116812738A CN 202310770001 A CN202310770001 A CN 202310770001A CN 116812738 A CN116812738 A CN 116812738A
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- China
- Prior art keywords
- self
- hanging
- locking
- opening area
- rod
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Classifications
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention relates to the technical field of lifting devices, and discloses a self-locking lifting device which comprises a lifting mechanism, a hanging mechanism, a self-locking mechanism, a transmission mechanism and an elastic piece; one end of the hanging mechanism is movably connected with the lifting mechanism, the other end of the hanging mechanism is provided with a hook, and the hook is provided with a first opening area; the self-locking mechanism is connected to the first opening area in an openable and closable manner; the transmission mechanism is connected with the lifting mechanism and the self-locking mechanism in a transmission way; the elastic piece is abutted between the hanging mechanism and the lifting mechanism; the self-locking mechanism seals the first opening area under the control of the hook and the transmission mechanism; when the hook holds an article, the article moves relative to the lifting mechanism along the second direction under the action of the elasticity of the elastic piece, and the self-locking mechanism opens the first opening area under the control of the hook and the transmission mechanism; the first direction is opposite to the second direction. The self-locking lifting device provided by the invention can be operated by one hand, and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of lifting devices, in particular to a self-locking lifting device.
Background
In recent years, with the continuous improvement of performance requirements of various servers, the heat dissipation requirements of the servers are higher and higher, and the submerged liquid cooling technology can better realize heat dissipation of the servers and is widely used. Compared with the common air cooling technology, the immersed liquid cooling technology needs to completely submerge the chassis of the server in a liquid cooling cabinet (Tank), and the reflux direction of cooling liquid in the liquid cooling cabinet is that cooling liquid flows into the chassis from a rear window and flows out of the chassis from a front window; the liquid in the liquid cooling cabinet needs to enter from the bottom and flow out from the top to take away the heat generated by the operation of the server, so that the chassis of the server needs to be vertically placed in the cabinet along the flow direction of the liquid in the cabinet.
When performing server maintenance work, the worker needs to pull the chassis out of the top of the cabinet. One hand is usually required to carry the handle of the lifting device, and the other hand presses the handle lock catch of the lifting device to open the hook of the lifting device, so that the operation is inconvenient; when the hook of the second lifting device hooks the chassis pull ring, the first lifting device is required to be placed on the front window of the chassis because two hands are required to operate; the handle of the lifting device in the operation mode is easy to scratch the front window of the chassis, if the front window port is possibly touched by improper operation, the front window port is damaged, and even the front window port is easy to damage, the terminal on the board is poorly fixed, and the board is damaged.
Disclosure of Invention
In view of the above, the present invention provides a self-locking lifting device to solve the problems of inconvenient operation and easy damage to the front window of the chassis when the chassis is pulled out from the top of the cabinet.
The invention provides a self-locking lifting device which comprises a lifting mechanism, a hanging mechanism, a self-locking mechanism, a transmission mechanism and an elastic piece, wherein the lifting mechanism is arranged on the hanging mechanism; one end of the hanging mechanism is movably connected with the lifting mechanism, the other end of the hanging mechanism is provided with a hook, and the hook is provided with a first opening area; the self-locking mechanism is connected to the first opening area in an openable and closable manner; the transmission mechanism is in transmission connection with the lifting mechanism and the self-locking mechanism; the elastic piece is propped against between the hanging mechanism and the lifting mechanism; the self-locking mechanism seals the first opening area under the control of the hook and the transmission mechanism; when the object hung by the hook is not stressed, the object is moved relative to the lifting mechanism along the second direction under the elastic action of the elastic piece, and the self-locking mechanism opens the first opening area under the control of the hook and the transmission mechanism; the first direction is opposite to the second direction.
The beneficial effects are that: the server and other articles to be lifted are suitable for being hung in the hook through the first opening area; after the article is hung on the hook, when the lifting mechanism is stressed to move, the hook moves along the first direction relative to the lifting mechanism, the elastic piece is compressed, the self-locking mechanism is driven by the transmission mechanism to seal the first opening area, the self-locking mechanism is ensured to always seal the first opening area in the process of lifting the article, and the article hung on the hook is prevented from shifting or falling in the process of lifting the article. When the hanging mechanism is not stressed, the hanging hook moves relative to the hanging mechanism along the second direction under the action of the elasticity of the elastic piece, the self-locking mechanism is driven by the transmission mechanism to open the first opening area, and a worker can move the articles in the hanging hook out of the hanging hook. When the hook is empty (articles are not hung), the elastic force of the elastic piece is matched with the transmission mechanism to keep the self-locking mechanism at the position of opening the first opening area, a worker can directly operate one lifting device by one hand and hook one pull ring of the articles such as the server case and the like, the other hand can also independently operate the other lifting device and hook the other pull ring of the articles such as the server case and the like, the lifting mechanism is not needed to be held by one hand, the other hand controls the self-locking mechanism to be opened, and the operation is convenient; the two hands can simultaneously operate with one hand or sequentially operate with one hand to hook the pull ring of the server case and other articles, and the first opening area can be closed by the empty self-locking mechanism only by applying force to the lifting mechanism, so that the first lifting mechanism is not required to be placed on the server case and other articles, and damage to the front window of the case and other articles can be avoided. The hanger mentioned in the embodiment is empty, which means that no article is hung on the hanger.
In an alternative embodiment, the hook is provided with a first end and a second end at the first opening area; the self-locking mechanism comprises a connecting rod and a self-locking rod, one end of the connecting rod is rotatably connected with the first end, and the other end of the connecting rod is rotatably connected with the transmission mechanism; one end of the self-locking rod is fixedly connected with the other end of the connecting rod and forms an included angle with the connecting rod; the other end is provided with a closing position which is abutted against the second end to close the first opening area and an opening position which is far away from the second end to open the first opening area.
The beneficial effects are that: the self-locking mechanism comprises a connecting rod and a self-locking rod, has a simple structure and small occupied space, and can well seal the first opening area. The connecting rod and the self-locking rod are provided with an included angle, so that the self-locking rod can be rotated for a small angle to close or open the first opening area.
In an alternative embodiment, one end of the connecting rod is provided with a connecting groove, and the first end is rotatably connected in the connecting groove; the self-locking rod is provided with an avoidance groove for avoiding the first end at one end connected with the connecting rod, and the avoidance groove is communicated with the connecting groove.
The beneficial effects are that: the setting of spread groove both is convenient for be connected between first end and the connecting rod, can carry out spacingly to first end again, prevents that first end from taking place the unable normal rotation that the skew leads to. One end of the self-locking rod is provided with an avoidance groove, so that the first end can be avoided, and the normal rotation range of the first end is ensured.
In an alternative embodiment, the lifting mechanism comprises a lifting ring and a connecting assembly; the lifting ring is provided with a second opening area, and a force acting part is arranged at a position opposite to the second opening area; the connecting component is connected to the second opening area and is movably connected with one end of the hanging mechanism, the elastic piece is propped against between one end of the hanging mechanism and the connecting component, and the transmission mechanism is in transmission connection with the connecting component and the self-locking mechanism.
The beneficial effects are that: the staff can apply lifting acting force to the lifting ring through the force acting part, so that when the hanging mechanism hangs the article, the hanging mechanism can move relative to the lifting mechanism along a first direction under the opposite acting force applied by the force acting part and the article, and the self-locking mechanism can further seal the first opening area under the control of the transmission mechanism; when the hanging ring is not stressed, the hanging mechanism moves relative to the lifting mechanism along the second direction under the action of the elastic force of the elastic piece, and the self-locking mechanism can open the first opening area under the control of the transmission mechanism; when the hanging mechanism is empty, even if the force acting part is stressed, the hanging mechanism and the lifting mechanism are kept in a relatively static state under the elastic action of the elastic part, and the self-locking mechanism is kept at a position for opening the first opening area under the control of the transmission mechanism. The second opening area is arranged opposite to the force acting part, the connecting component is connected to the second opening area, the distance between the hanging mechanism and the force acting part can be pulled, working staff can apply acting force to the force acting part conveniently through hands or tools, the lifting ring and the connecting component can be connected to form a closed annular structure, and the strength of the lifting mechanism is enhanced.
In an alternative embodiment, the connecting component is provided with a connecting through hole; the hanging mechanism also comprises a hanging rod and a bearing cap; one end of the hanging rod is fixedly connected with the hook, is arranged close to the first opening area, and the other end of the hanging rod slidably penetrates through the connecting through hole and extends to the inner ring of the lifting ring; the bearing cap is detachably connected with the other end of the hanging rod, the elastic piece is propped against between the bearing cap and the connecting component, and the bearing cap is suitable for compressing the elastic piece and propping against the connecting component when the hook is used for hanging articles.
The beneficial effects are that: the connecting through hole can realize that the hanging rod is in sliding connection with the connecting through hole, and can also axially limit the sliding of the hanging rod, the moving direction of the hanging rod when moving towards the direction close to the force acting part is a first direction, the moving direction when moving towards the direction far away from the force acting part is a second direction, and the first direction and the second direction are both the axial directions of the connecting through hole. The bearing cap can limit one end of the hanging rod and limit and fix the elastic piece. And the hanging rod and the bearing cap are arranged, so that the structure is simpler, and the sliding fit with the lifting mechanism is more convenient. The junction of the one end of hanging the pole and couple is close to first opening district setting for the second end of couple can be crooked towards carrying the hoist mechanism, prevents that the article of hanging from dropping, guarantees the stability of hanging the article of hanging.
In an alternative embodiment, the bearing cap is threaded with the other end of the hanging rod.
The beneficial effects are that: the hanging mechanism and the lifting mechanism are convenient to detach and mount.
In an alternative embodiment, the elastic member is a spring, and the spring is sleeved on the periphery of the hanging rod.
The beneficial effects are that: the spring is simple in structure and low in cost, the spring is sleeved on the periphery of the hanging rod, the hanging rod limits the spring, and the spring is prevented from seriously skewing and winding to influence the stress of the hanging mechanism.
In an optional implementation manner, the bearing cap is provided with a first limit groove, the connecting component is correspondingly provided with a second limit groove, and two ends of the elastic piece are respectively arranged in the first limit groove and the second limit groove.
The beneficial effects are that: the first limit groove and the second limit groove can limit and fix the two ends of the elastic piece.
In an alternative embodiment, the hanging rod is rotatably connected with the connecting through hole, and the transmission mechanism is rotatably connected with the connecting assembly through a turntable.
The beneficial effects are that: the hanging rod and the transmission mechanism can be linked, the hanging rod and the transmission mechanism can rotate relative to the axis of the connecting through hole of the lifting mechanism, in a natural state, a worker can drive the self-locking mechanism and the transmission mechanism to synchronously rotate through the rotating hook, the self-locking mechanism and the transmission mechanism can rotate according to actual use needs so as to adjust the angle of the force application, the comfort level of operation is improved, the application range is increased, and the self-locking mechanism is simple and reliable.
In an alternative embodiment, the connecting assembly comprises a connecting bracket and a connecting baffle plate, wherein the connecting bracket is arranged in the second opening area and is detachably connected with two ends of the lifting ring, which are positioned at the second opening area; the connecting bracket is provided with a first through hole; the elastic piece is abutted between the bearing cap and the connecting bracket; the connecting baffle is detachably connected to one side, away from the elastic piece, of the connecting bracket, and a second through hole is formed in the connecting baffle; the rotary table is rotatably connected between the connecting bracket and the connecting baffle, and a third through hole is formed in the rotary table; one end of the transmission mechanism penetrates through the second through hole and is connected with the turntable; the first through hole, the second through hole and the third through hole are coaxially arranged and form the connecting through hole.
The beneficial effects are that: the arrangement of the first through hole, the second through hole and the third through hole ensures that one end of the transmission mechanism is connected with the rotation. The connecting bracket is detachably connected with the connecting baffle, and the turntable can be rotatably clamped between the connecting bracket and the connecting baffle, so that the turntable is limited and fixed, the turntable can be guaranteed to rotate, and the transmission mechanism and the self-locking mechanism also rotate along with the rotation of the hanging mechanism.
In an alternative embodiment, the transmission mechanism comprises a first hinging seat, a second hinging seat and a transmission rod; the first hinging seat is convexly arranged at the other end of the connecting rod and is positioned at one side far away from the self-locking rod; the second hinging seat is fixedly arranged on the turntable; and two ends of the transmission rod are respectively and rotatably connected with the first hinging seat and the second hinging seat.
The beneficial effects are that: the transmission rod, the connecting rod of the self-locking mechanism, the hanging mechanism and the turntable form a four-bar mechanism, when the hanging mechanism moves relative to the lifting mechanism along the first direction or the second direction, the four-bar mechanism deforms, and the self-locking rod of the self-locking mechanism moves in other directions, so that the purpose of closing or opening the first opening area is achieved. The transmission mechanism has simple structure, can occupy less space and meets the miniaturization of the self-locking lifting device.
In an alternative embodiment, the force application part is provided with at least three finger grooves in sequence on the side facing the second opening area, said finger grooves being adapted to receive fingers.
The beneficial effects are that: the arrangement of at least three finger grooves can limit fingers when a worker operates, so that safety risks caused by the fact that the lifting mechanism is out of hands due to slipping of the worker in the force application process are prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a self-locking lifting device (when a hook is empty) according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;
fig. 3 is a schematic view of a second view of a self-locking lifting device (when a hook is empty) according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of B in FIG. 3;
fig. 5 is a schematic view of a third view angle of a self-locking lifting device (when a hook is empty) according to an embodiment of the present invention;
FIG. 6 is an enlarged partial schematic view of FIG. 5C;
FIG. 7 is a cross-sectional view of a self-locking lifting device (with a hook empty) according to an embodiment of the invention;
FIG. 8 is an enlarged partial schematic view of D in FIG. 7;
fig. 9 is a schematic diagram of a self-locking lifting device (when a hook is used to hold an article under force) according to an embodiment of the present invention.
Reference numerals illustrate:
1. a lifting mechanism; 101. lifting rings; 1011. a force acting portion; 1012. finger grooves; 102. a connection assembly; 1021. a connecting bracket; 10211. a first through hole; 10212. the second limit groove; 1022. connecting a baffle; 10221. a second through hole; 2. a hanging mechanism; 201. a hook; 2011. a first opening region; 2012. a first end; 2013. a second end; 202. a hanging rod; 203. a bearing cap; 2031. a first limit groove; 3. a self-locking mechanism; 301. a connecting rod; 3011. a connecting groove; 302. a self-locking lever; 3021. an avoidance groove; 4. a transmission mechanism; 401. a first hinge base; 402. the second hinge seat; 403. a transmission rod; 5. an elastic member; 6. a turntable; 601. and a third through hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the related art, when performing server maintenance, a worker needs to pull the chassis out of the top of the cabinet. One hand is usually required to hold the handle of the lifting device, and the other hand presses the handle lock catch of the lifting device to open the hook 201 of the lifting device, so that the operation is inconvenient; when the hook 201 of the second lifting device hooks the chassis pull ring, the first lifting device needs to be placed on the front window of the chassis because two hands are needed to operate; the handle of the lifting device in the operation mode is easy to scratch the front window of the chassis, if the front window port is possibly touched by improper operation, the front window port is damaged, and even the front window port is easy to damage, the terminal on the board is poorly fixed, and the board is damaged.
Embodiments of the present invention are described below with reference to fig. 1 to 9.
According to an embodiment of the present invention, there is provided a self-locking lifting device, including a lifting mechanism 1, a hanging mechanism 2, a self-locking mechanism 3, a transmission mechanism 4 and an elastic member 5; one end of the hanging mechanism 2 is movably connected with the lifting mechanism 1, the other end of the hanging mechanism is provided with a hook 201, and the hook 201 is provided with a first opening area 2011; the self-locking mechanism 3 is connected with the first opening area 2011 in an openable and closable manner; the transmission mechanism 4 is in transmission connection with the lifting mechanism 1 and the self-locking mechanism 3; the elastic piece 5 is abutted between the hanging mechanism 2 and the lifting mechanism 1; wherein, when the hanging hook 201 is stressed to hang articles, the hanging hook moves along the first direction relative to the lifting mechanism 1 and compresses the elastic piece 5, and the self-locking mechanism 3 seals the first opening area 2011 under the control of the hanging hook 201 and the transmission mechanism 4; when the hanging hook 201 is not stressed, the article hung on the hanging hook moves relative to the lifting mechanism 1 along the second direction under the elastic force of the elastic piece 5, and the self-locking mechanism 3 opens the first opening area 2011 under the control of the hanging hook 201 and the transmission mechanism 4; the first direction is opposite to the second direction.
The articles to be lifted, such as a server, are suitable for being hung in the hook 201 through the first opening area 2011; after the hanging hook 201 hangs articles, when the hanging hook 201 moves under force, the hanging hook 201 moves along the first direction relative to the hanging hook 1, compresses the elastic piece 5 and drives the self-locking mechanism 3 to seal the first opening area 2011 through the transmission mechanism 4, so that the self-locking mechanism 3 always seals the first opening area 2011 in the process of hanging articles, and the articles hung on the hanging hook 201 are prevented from shifting or falling in the process of hanging. When the hanging hook 201 is hung with articles, but the lifting mechanism 1 is not stressed, the hanging hook 201 moves relative to the lifting mechanism 1 along the second direction under the action of the elastic force of the elastic piece 5, the self-locking mechanism 3 is driven by the transmission mechanism 4 to open the first opening area 2011, and the articles in the hanging hook 201 can be moved out of the hanging hook 201 by staff. When the hook 201 is empty (does not hold an article), the elastic force of the elastic piece 5 cooperates with the transmission mechanism 4 to keep the self-locking mechanism 3 at a position for opening the first opening area 2011, a worker can directly operate one lifting device by one hand and hook one pull ring of an article such as a server case, and the other hand can also independently operate the other lifting device and hook the other pull ring of the article such as the server case, so that the lifting mechanism 1 is not needed to be held by one hand, the self-locking mechanism 3 is controlled to be opened by the other hand, and the operation is convenient; the two hands can simultaneously operate with one hand or sequentially operate with one hand to hook the pull ring of the server chassis and other articles, and the self-locking mechanism 3 can be arranged to close the first opening area 2011 only by applying force to the lifting mechanism 1, so that the first lifting and hanging device is not required to be placed on the server chassis and other articles, and damage to the front window of the chassis and other articles can be avoided. The hanger 201 mentioned in this embodiment is empty, meaning that no article is hung on the hanger 201.
In one embodiment, as shown in fig. 1 and 4, the hanger 201 is provided with a first end 2012 and a second end 2013 at a first opening area 2011; the self-locking mechanism 3 comprises a connecting rod 301 and a self-locking rod 302, one end of the connecting rod 301 is rotatably connected with the first end 2012, and the other end is rotatably connected with the transmission mechanism 4; one end of the self-locking rod 302 is fixedly connected with the other end of the connecting rod 301 and forms an included angle with the connecting rod 301; the other end has a closing position abutting against the second end 2013 to close the first opening area 2011, and an opening position away from the second end 2013 to open the first opening area 2011.
The self-locking mechanism 3 comprises a connecting rod 301 and a self-locking rod 302, has a simple structure and small occupied space, and can well seal the first opening area 2011. The connecting rod 301 and the self-locking rod 302 have an included angle, so that the self-locking rod 302 can be rotated by a small angle to close or open the first opening area 2011.
Specifically, one end of the self-locking lever 302 is integrally formed with the other end of the connecting lever 301, or is welded to be formed, or is detachably and fixedly connected by a fastener. The included angle alpha between the self-locking rod 302 and the connecting rod 301 is more than or equal to 90 degrees and less than or equal to 120 degrees. In a preferred embodiment, the angle α between the self-locking rod 302 and the connecting rod 301 is a small obtuse angle, which may be 110 ° or 100 °.
In one embodiment, as shown in fig. 4 and 6, one end of the connecting rod 301 is provided with a connecting slot 3011, and the first end 2012 is rotatably connected within the connecting slot 3011; an avoidance groove 3021 for avoiding the first end 2012 is formed at the end, connected to the connecting rod 301, of the self-locking rod 302, and the avoidance groove 3021 is communicated with the connecting groove 3011.
The arrangement of the connecting groove 3011 is convenient for connection between the first end 2012 and the connecting rod 301, and can limit the first end 2012, so that the first end 2012 is prevented from being offset to cause abnormal rotation. One end of the self-locking rod 302 is provided with a avoiding groove 3021, so that the first end 2012 can be avoided, and the normal rotation range of the first end 2012 is ensured.
Specifically, as shown in fig. 4, the connection groove 3011 is a through groove penetrating the connection rod 301, the avoidance groove 3021 is a through groove penetrating the self-locking rod 302, and the connection groove 3011 and the avoidance groove 3021 are communicated to form a bent through groove. The two opposite groove walls of the connecting groove 3011 are respectively provided with a first rotating hole, the first end 2012 is correspondingly provided with a second rotating hole, and the first pin shaft is sequentially connected in one first rotating hole, the second rotating hole and the other first rotating hole.
As an alternative embodiment, the connecting groove 3011 may be a groove, the avoiding groove 3021 may be a groove, the groove walls of the connecting groove 3011 and the avoiding groove 3021 are opened to form a bending groove, the first end 2012 is disposed in the connecting groove 3011 through the notch, and the groove bottom of the connecting groove 3011 may also limit the first end 2012.
As an alternative embodiment, the first end 2012 may be provided with two connection seats at a distance therebetween, and the end of the connecting rod 301 connected to the self-locking rod 302 may be rotatably connected between the two connection seats.
In one embodiment, as shown in fig. 1 to 9, the lifting mechanism 1 includes a lifting ring 101 and a connection assembly 102; the lifting ring 101 is provided with a second opening area, and a force acting part 1011 is arranged at a position opposite to the second opening area; the connecting component 102 is connected in the second opening area and is movably connected with one end of the hanging mechanism 2, the elastic piece 5 is abutted between one end of the hanging mechanism 2 and the connecting component 102, and the transmission mechanism 4 is in transmission connection with the self-locking mechanism 3 and the connecting component 102.
The worker can apply lifting force to the lifting ring 101 through the force acting part 1011, so that when the hanging mechanism 2 hangs an article, the hanging mechanism 2 can move relative to the lifting mechanism 1 along the first direction under the opposite acting force applied by the force acting part 1011 and the article, and the self-locking mechanism 3 can close the first opening area 2011 under the control of the transmission mechanism 4; when the hanging mechanism 2 hangs articles but the lifting ring 101 is not stressed, the hanging mechanism 2 moves relative to the lifting mechanism 1 along the second direction under the action of the elastic force of the elastic piece 5, and the self-locking mechanism 3 can open the first opening area 2011 under the control of the transmission mechanism 4; when the hanging mechanism 2 is empty, even if the force acting part 1011 is stressed, the hanging mechanism 2 and the lifting mechanism 1 are kept in a relatively static state under the elastic force of the elastic piece 5, and the self-locking mechanism 3 is kept at a position for opening the first opening area 2011 under the control of the transmission mechanism 4. The second opening area is opposite to the force acting part 1011, and the connecting component 102 is connected in the second opening area, so that the distance between the hanging mechanism 2 and the force acting part 1011 can be pulled, the force acting part 1011 can be conveniently applied by a worker through hands or tools, the lifting ring 101 and the connecting component 102 can be connected to form a closed annular structure, and the strength of the lifting mechanism 1 is enhanced.
In particular embodiments, the connection assembly 102 may be welded to the second open area. Alternatively, the connection assembly 102 may be removably attached to the second open area by fasteners to facilitate removal and maintenance of the hitch mechanism 2 and the drive mechanism 4.
As an alternative embodiment, the elastic member 5 may be connected between the hook 201 and the connection unit 102.
In one embodiment, as shown in fig. 2, 4, 6 and 8, the connection assembly 102 is provided with a connection through hole; the hanging mechanism 2 also comprises a hanging rod 202 and a bearing cap 203; one end of the hanging rod 202 is fixedly connected with the hook 201, is arranged near the first opening area 2011, and the other end of the hanging rod slidably passes through the connecting through hole and extends to the inner ring of the lifting ring 101; the bearing cap 203 is detachably connected to the other end of the hanging rod 202, the elastic member 5 is abutted between the bearing cap 203 and the connecting assembly 102, and the bearing cap 203 is suitable for compressing the elastic member 5 and abutting on the connecting assembly 102 when the hanger 201 is used for hanging articles.
The connecting through hole can realize the sliding connection of the hanging rod 202 and the connecting through hole, and can also axially limit the sliding of the hanging rod 202, wherein the moving direction of the hanging rod 202 when moving towards the direction close to the force acting part 1011 is a first direction, the moving direction when moving away from the force acting part 1011 is a second direction, and the first direction and the second direction are both the axial directions of the connecting through hole. The bearing cap 203 can limit one end of the hanging rod 202 and limit and fix the elastic piece 5. And the hanging rod 202 and the bearing cap 203 are arranged so that the structure is simpler and the sliding fit with the lifting mechanism 1 is more convenient. The connection part between one end of the hanging rod 202 and the hook 201 is close to the first opening area 2011, so that the second end 2013 of the hook 201 can be bent towards the lifting mechanism 1, the hung article is prevented from falling, and the stability of the hanging article of the hook 201 is ensured.
As an alternative embodiment, the connecting assembly 102 may be provided with a connecting hole, the hanging structure further includes a connecting rod 301, the outer periphery of one end of the connecting rod 301 is provided with a bearing convex portion in a protruding manner, and the other end of the connecting rod 301 is connected with the hook 201 in a detachable manner after penetrating through the connecting hole in a sliding manner.
In one embodiment, as shown in FIG. 8, a bearing cap 203 is threaded with the other end of the hanging bar 202; the hanging mechanism 2 and the lifting mechanism 1 are convenient to detach and mount. Specifically, an external thread is provided on the outer periphery of one end of the hanging rod 202, a threaded hole is provided in the bearing cap 203, and an internal thread is provided on the inner wall of the threaded hole.
In one embodiment, as shown in fig. 2, the elastic member 5 is a spring, and the spring is sleeved on the outer circumference of the hanging rod 202.
The spring is simple in structure and low in cost, the spring is sleeved on the periphery of the hanging rod 202, the hanging rod 202 limits the spring, and the spring is prevented from seriously skewing and winding to influence the stress of the hanging mechanism 2.
In one embodiment, as shown in fig. 8, a first limiting groove 2031 is formed on the bearing cap 203, a second limiting groove 10212 is correspondingly formed on the connecting assembly 102, and two ends of the elastic member 5 are respectively disposed in the first limiting groove 2031 and the second limiting groove 10212. The first and second limiting grooves 2031 and 10212 can limit and fix both ends of the elastic member 5. In a specific embodiment, the elastic member 5 may be a spring, and is sleeved on the outer periphery of the hanging rod 202, and two ends of the elastic member are respectively disposed in the first limiting groove 2031 and the second limiting groove 10212. Alternatively, the elastic member 5 may be at least two arc-shaped elastic pieces, which are circumferentially spaced around the hanging rod 202, the arc-shaped elastic pieces are matched with the hanging rod 202 in shape, and two ends of the arc-shaped elastic pieces are connected in the first limiting groove 2031 and the second limiting groove 10212 in a distributed manner.
As shown in fig. 8, an annular protruding strip protrudes upward from an end surface of the connecting component 102 facing the bearing cap 203, and the annular protruding strip and the connecting component 102 enclose a second limiting groove 10212. The bearing cap 203 is internally provided with a threaded hole, and the first limiting groove 2031 is formed on the wall of the threaded hole and is located at one end close to the connection assembly 102.
As an alternative embodiment, the second limiting groove 10212 may be recessed in the end surface of the connection unit 102 facing the bearing cap 203 in a direction facing away from the bearing cap 203.
In one embodiment, the hanging bar 202 is rotatably connected to the connecting through hole, and the transmission mechanism 4 is rotatably connected to the connecting assembly 102 through the turntable 6.
The hanging rod 202 and the transmission mechanism 4 can be linked, and rotate relative to the axis of the connecting through hole of the lifting mechanism 1, in a natural state, a worker can drive the self-locking mechanism 3 and the transmission mechanism 4 to synchronously rotate through the rotating hook 201, the self-locking mechanism can rotate according to the actual use requirement so as to adjust the self-locking mechanism to an angle convenient for force application, the comfort level of operation is improved, the application range is increased, and the self-locking mechanism is simple and reliable. Specifically, the hanging bar 202 is clearance fit with the connecting through hole.
As an alternative embodiment, the hanging rod 202 may be rotatably connected to the connecting through hole, an annular slide is provided on a side of the connecting unit 102 facing away from the force applying portion 1011, a slider is slidably connected to the annular slide, and the transmission mechanism 4 is rotatably connected to the slider.
In one embodiment, as shown in fig. 2, 4 and 8, the connection assembly 102 includes a connection bracket 1021 and a connection flap 1022, where the connection bracket 1021 is disposed in the second opening area and is detachably connected to both ends of the lifting ring 101 at the second opening area; the connecting bracket 1021 is provided with a first through hole 10211; the elastic piece 5 is abutted between the bearing cap 203 and the connecting bracket 1021; the connecting baffle 1022 is detachably connected to one side of the connecting bracket 1021, which is away from the elastic piece 5, and the connecting baffle 1022 is provided with a second through hole 10221; wherein, the turntable 6 is rotatably connected between the connecting bracket 1021 and the connecting baffle 1022, and a third through hole 601 is arranged on the turntable 6; one end of the transmission mechanism 4 passes through the second through hole 10221 and is connected with the turntable 6; the first through hole 10211, the second through hole 10221, and the third through hole 601 are coaxially disposed, and form a connection through hole.
The arrangement of the first through hole 10211, the second through hole 10221 and the third through hole 601 ensures the rotational connection of one end of the transmission mechanism 4. The connection bracket 1021 and the connection baffle 1022 are detachably connected, and the turntable 6 can be rotatably clamped between the connection bracket 1021 and the connection baffle 1022, so that the turntable 6 is limited and fixed, the turntable 6 is guaranteed to rotate, and the transmission mechanism 4 and the self-locking mechanism 3 also rotate along with the rotation of the hanging mechanism 2.
In a specific embodiment, the connecting bracket 1021 includes a bracket body and two bracket connection lugs protruding from the bracket body, and the two bracket connection lugs are detachably connected with two ends of the lifting ring 101, which are located at the second opening area, respectively. The two support connecting lugs are provided with first connecting holes, the two ends of the lifting ring 101, which are positioned at the second opening area, are plate-shaped, are provided with second connecting holes, the first fastening piece can be a bolt or a screw, one end of the first fastening piece is provided with a nut, and the other end of the first fastening piece sequentially passes through the first connecting holes and the second connecting holes and then is in threaded connection with the nut. Preferably, the bracket body may be a circular body, the bracket connecting lug is a plate structure protruding from the bracket body, and one end of the bracket connecting lug far away from the bracket body is a smooth end. An annular raised line is arranged on one side of the bracket body, facing the bearing cap 203, in a protruding way, and the annular raised line and the connecting assembly 102 enclose a second limit groove 10212; the support body is equipped with the mounting groove on the side of bearing cap 203 dorsad, is equipped with first through-hole 10211 on the tank bottom of mounting groove, and carousel 6 rotatably sets up in the mounting groove. The connection baffle 1022 is an annular baffle, the inner ring of the annular baffle is a second through hole 10221, and the annular baffle is detachably connected with the bracket body and is blocked at the notch of the mounting groove. The outer diameter of the turntable 6 is larger than the inner diameter of the connection tabs 1022 and smaller than the inner diameter of the mounting groove. Specifically, be equipped with two at least third connecting holes on the support body, two at least third connecting holes encircle the circumference and distribute in the outside of mounting groove, correspond fourth connecting hole on the annular separation blade, and the second fastener can be bolt or screw, and the one end of second fastener is equipped with the nut, and the other end passes fourth connecting hole and third connecting hole threaded connection. The third connection hole may be a threaded blind hole. The shape of the fourth connecting hole is matched with the shape of the nut of the second fastener.
In one embodiment, as shown in fig. 2, 4 and 8, the transmission mechanism 4 includes a first hinge seat 401, a second hinge seat 402 and a transmission lever 403; a first hinge seat 401 protruding from the other end of the connection rod 301 and located at a side far from the self-locking rod 302; the second hinge base 402 is fixedly arranged on the turntable 6; both ends of the transmission rod 403 are rotatably connected to the first hinge seat 401 and the second hinge seat 402, respectively.
The transmission rod 403, the connecting rod 301 of the self-locking mechanism 3, the hanging mechanism 2 and the turntable 6 form a four-bar mechanism, when the hanging mechanism 2 moves relative to the lifting mechanism 1 along the first direction or the second direction, the four-bar mechanism deforms, so that the self-locking rod 302 of the self-locking mechanism 3 moves in other directions, and the purpose of closing or opening the first opening area 2011 is achieved. The transmission mechanism 4 has a simple structure, can occupy less space and meets the miniaturization of the self-locking lifting device.
In particular, the first hinge seat 401 may be welded to the other end of the connection rod 301, or may be integrally formed with the other end of the connection rod 301. The first hinge bases 401 may be provided in two, each first hinge base 401 is provided with a first hinge hole, and one end of the transmission rod 403 is disposed between the two first hinge bases 401 and is rotatably connected with the two first hinge holes through a first pin shaft. The second hinge bases 402 may be provided in two, each second hinge base 402 is provided with a second hinge hole, and the other end of the transmission rod 403 is disposed between the two second hinge bases 402 and is rotatably connected with the two second hinge holes through a second pin shaft. The second hinge base 402 may be welded to the turntable 6, or may be integrally formed with the turntable 6.
In one embodiment, as shown in fig. 1, 3 and 7, at least three finger grooves 1012 are provided in sequence on the force applying portion 1011 on a side facing the second opening area, the finger grooves 1012 being adapted to receive fingers.
The arrangement of at least three finger grooves 1012 can limit fingers when a worker operates, so that safety risks caused by the fact that the lifting mechanism 1 is out of hand due to slipping of the worker in the force application process are prevented.
In a further embodiment, the force applying portion 1011 is provided with an anti-slip elastic pad, and at least three finger grooves 1012 are provided in sequence on the outer periphery of the anti-slip elastic pad.
As shown in fig. 1 and 9, the use process of the self-locking lifting device of the present embodiment includes: the force acting part 1011 on the lifting ring 101 is held by a worker, at least three fingers are sequentially arranged in at least three finger grooves 1012, an object to be lifted (for example, the lifting ring on the server case) is hung on the hook 201 through the first opening area 2011, the worker manually applies upward acting force to the force acting part 1011, the hanging mechanism 2 moves relative to the lifting mechanism 1 along the first direction due to the gravity of the object to be lifted, the hanging rod 202 moves along the axial directions of the first through hole 10211, the second through hole 10221 and the second through hole 10221, the bearing cap 203 moves towards the direction of the connecting component 102 and compresses the elastic piece 5, the movement of the hook 201 drives the connecting rod 301 to move with the connecting end of the self-locking rod 302, the other end of the connecting rod 301 rotates relative to the transmission rod 403, the self-locking rod 302 is further driven to rotate, the self-locking rod 302 is abutted with the second end 2013 to seal the first opening area 2011, and the pressure is continuously applied to the force acting part 1011, so that lifting and transferring of the object can be smoothly realized, as shown in fig. 9. When the object is lifted and transferred to the preset position smoothly, no pressure is applied to the force acting portion 1011, the bearing cap 203 drives the hanging rod 202 and the hook 201 to move relative to the lifting mechanism 1 along the second direction under the action of the elastic force of the elastic member 5, the movement of the hook 201 drives the connecting rod 301 to move with the connecting end of the self-locking rod 302, the other end of the connecting rod 301 rotates relative to the transmission rod 403, and then the self-locking rod 302 is driven to rotate, the self-locking rod 302 and the second end 2013 are far away to open the first opening area 2011, and the hung object can be detached from the hook 201 through the first opening area 2011, as shown in fig. 1 to 8. When the hook 201 is empty, as shown in fig. 1 to 8, even if the force application portion 1011 is stressed, the hanging mechanism 2 and the lifting mechanism 1 are kept in a relatively static state under the elastic force of the elastic member 5, and the self-locking mechanism 3 is kept at a position of opening the first opening area 2011 under the control of the transmission mechanism 4, at this time, a worker can operate the lifting ring 101 with one hand and hook an object to be lifted through the first opening area 2011.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. A self-locking lifting device, comprising:
a lifting mechanism (1);
one end of the hanging mechanism (2) is movably connected with the lifting mechanism (1), the other end of the hanging mechanism is provided with a hook (201), and the hook (201) is provided with a first opening area (2011);
a self-locking mechanism (3) which is connected to the first opening area (2011) in an openable and closable manner;
the transmission mechanism (4) is in transmission connection with the lifting mechanism (1) and the self-locking mechanism (3);
an elastic piece (5) which is propped against between the hanging mechanism (2) and the lifting mechanism (1);
the self-locking mechanism (3) seals the first opening area (2011) under the control of the hook (201) and the transmission mechanism (4); when the hanging hook (201) is not stressed, the hanging hook moves relative to the lifting mechanism (1) along a second direction under the elastic action of the elastic piece (5), and the self-locking mechanism (3) opens the first opening area (2011) under the control of the hanging hook (201) and the transmission mechanism (4); the first direction is opposite to the second direction.
2. Self-locking lifting device according to claim 1, characterized in that the hook (201) is provided with a first end (2012) and a second end (2013) at the first opening zone (2011); the self-locking mechanism (3) comprises:
a connecting rod (301) having one end rotatably connected to the first end (2012) and the other end rotatably connected to the transmission mechanism (4);
one end of the self-locking rod (302) is fixedly connected with the other end of the connecting rod (301) and forms an included angle with the connecting rod (301); the other end has a closed position abutting against the second end (2013) to close the first opening area (2011), and an open position away from the second end (2013) to open the first opening area (2011).
3. The self-locking lifting device according to claim 2, characterized in that one end of the connecting rod (301) is provided with a connecting slot (3011), the first end (2012) being rotatably connected in the connecting slot (3011); the self-locking rod (302) is provided with an avoidance groove (3021) for avoiding the first end (2012) at one end connected with the connecting rod (301), and the avoidance groove (3021) is communicated with the connecting groove (3011).
4. A self-locking lifting device according to claim 2 or 3, characterized in that the lifting mechanism (1) comprises:
a lifting ring (101) provided with a second opening area, and a force acting part (1011) is arranged at a position opposite to the second opening area;
the connecting component (102) is detachably connected to the second opening area and is movably connected with one end of the hanging mechanism (2), the elastic piece (5) is abutted between one end of the hanging mechanism (2) and the connecting component (102), and the transmission mechanism (4) is in transmission connection with the connecting component (102) and the self-locking mechanism (3).
5. The self-locking lifting device according to claim 4, wherein the connecting assembly (102) is provided with a connecting through hole;
the hanging mechanism (2) further comprises:
one end of the hanging rod (202) is fixedly connected with the hook (201) and is arranged close to the first opening area (2011), and the other end of the hanging rod slidably penetrates through the connecting through hole and extends to the inner ring of the lifting ring (101);
the bearing cap (203) is detachably connected to the other end of the hanging rod (202), the elastic piece (5) is abutted between the bearing cap (203) and the connecting assembly (102), and the bearing cap (203) is suitable for compressing the elastic piece (5) and abutting on the connecting assembly (102) when the hanging hook (201) is used for hanging articles.
6. The self-locking lifting device according to claim 5, characterized in that said bearing cap (203) is screwed with the other end of said hanging rod (202);
and/or the elastic piece (5) is a spring, and the spring is sleeved on the periphery of the hanging rod (202);
and/or, be equipped with first spacing groove (2031) on bearing cap (203), be equipped with second spacing groove (10212) on coupling assembling (102) correspond, the both ends of elastic component (5) set up respectively first spacing groove (2031) with in second spacing groove (10212).
7. Self-locking lifting device according to claim 5, characterized in that the hanging rod (202) is rotatably connected with the connecting through hole, and the transmission mechanism (4) is rotatably connected with the connecting assembly (102) through a turntable (6).
8. The self-locking lifting device according to claim 7, wherein the connection assembly (102) comprises:
the connecting bracket (1021) is arranged in the second opening area and is detachably connected with two ends of the lifting ring (101) positioned in the second opening area; the connecting bracket (1021) is provided with a first through hole (10211); the elastic piece (5) is abutted between the bearing cap (203) and the connecting bracket (1021);
a connecting baffle (1022) detachably connected to one side of the connecting bracket (1021) away from the elastic piece (5), wherein the connecting baffle (1022) is provided with a second through hole (10221);
wherein the rotary table (6) is rotatably connected between the connecting bracket (1021) and the connecting baffle (1022), and a third through hole (601) is arranged on the rotary table (6);
one end of the transmission mechanism (4) passes through the second through hole (10221) to be connected with the turntable (6);
the first through hole (10211), the second through hole (10221) and the third through hole (601) are coaxially arranged and form the connecting through hole.
9. Self-locking lifting device according to claim 8, characterized in that the transmission mechanism (4) comprises:
the first hinging seat (401) is convexly arranged at the other end of the connecting rod (301) and is positioned at one side far away from the self-locking rod (302);
the second hinging seat (402) is fixedly arranged on the turntable (6);
and the two ends of the transmission rod (403) are respectively and rotatably connected with the first hinging seat (401) and the second hinging seat (402).
10. The self-locking lifting device according to claim 4, wherein at least three finger grooves (1012) are provided in sequence on the force applying portion (1011) on a side facing the second opening area, the finger grooves (1012) being adapted to accommodate fingers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310770001.3A CN116812738A (en) | 2023-06-27 | 2023-06-27 | Self-locking lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310770001.3A CN116812738A (en) | 2023-06-27 | 2023-06-27 | Self-locking lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116812738A true CN116812738A (en) | 2023-09-29 |
Family
ID=88140409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310770001.3A Pending CN116812738A (en) | 2023-06-27 | 2023-06-27 | Self-locking lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116812738A (en) |
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| KR200186826Y1 (en) * | 1999-12-08 | 2000-06-15 | 포항종합제철주식회사 | Locking device for hook of crane and hoist |
| JP2002046973A (en) * | 2000-08-02 | 2002-02-12 | Elephant Chain Block Co Ltd | Lifting hook |
| KR20160131373A (en) * | 2015-05-07 | 2016-11-16 | 주식회사 포스코 | Hook device |
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| CN211419341U (en) * | 2019-11-22 | 2020-09-04 | 内蒙古科技大学 | Civil engineering crane safety lifting hook |
| CN214692886U (en) * | 2021-01-08 | 2021-11-12 | 刘海波 | A self-locking lifting hook |
| CN215974692U (en) * | 2021-09-06 | 2022-03-08 | 湖北天之维建设工程有限公司 | Portable lifting device for electric power engineering operation |
| CN217676356U (en) * | 2021-12-17 | 2022-10-28 | 苏州迈特锐机电设备有限公司 | A new type of hook assembly for bridge driving |
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2023
- 2023-06-27 CN CN202310770001.3A patent/CN116812738A/en active Pending
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| KR200186826Y1 (en) * | 1999-12-08 | 2000-06-15 | 포항종합제철주식회사 | Locking device for hook of crane and hoist |
| JP2002046973A (en) * | 2000-08-02 | 2002-02-12 | Elephant Chain Block Co Ltd | Lifting hook |
| KR20160131373A (en) * | 2015-05-07 | 2016-11-16 | 주식회사 포스코 | Hook device |
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| CN211419341U (en) * | 2019-11-22 | 2020-09-04 | 内蒙古科技大学 | Civil engineering crane safety lifting hook |
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| CN215974692U (en) * | 2021-09-06 | 2022-03-08 | 湖北天之维建设工程有限公司 | Portable lifting device for electric power engineering operation |
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Country or region after: China Address after: 215000 Building 9, No.1 guanpu Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Yuannao Intelligent Technology Co.,Ltd. Address before: 215000 Building 9, No.1 guanpu Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region before: China |