Tapered pin shaft end hoisting and clamping device
By designing a lifting and clamping device for the tapered pin end, and using scissor arms and clamps with different opening sizes to clamp the pin end with a single arm, the problem of stable lifting of irregular structures of heavy products was solved, and stability and safety were improved.
Patent Information
- Application Number
- CN202520161601.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing pin ends have irregular structures, especially for heavy products with an inclined surface in the middle, which are difficult to hoist stably. Commonly used lifting tools cannot be aligned, which poses safety hazards and affects processing efficiency.
A lifting and clamping device for the end of a tapered pin was designed. It uses a scissor arm and a clamping arm with different openings to clamp the irregular structure of the pin end by gravity, and the clamping state can be quickly released by a push-pull unlocking mechanism.
This technology enables stable hoisting of the pin ends of heavy products, improving hoisting stability and safety, reducing auxiliary time, and increasing processing efficiency.
Smart Images
Figure CN223674146U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of lifting appliance, more particularly to a conical pin shaft end head hoisting clamping device. BACKGROUND
[0002] The existing pin shaft is of the same diameter, and is usually hoisted by a balanced lifting appliance. The hoisting method is as follows: 1. the center position of the pin shaft clamp is adopted; 2. a magnet lifting appliance is adopted. However, the pin shaft end head of the company is an irregular circular product, which is divided into two ends of different sizes, and is in an inclined state when placed on the ground.
[0003] Since the middle of the pin shaft end head is an inclined surface, the pin shaft clamp cannot be used for hoisting. When the magnet is used for hoisting, safety hazards exist in hoisting and the auxiliary action time is increased, which increases the product loading and unloading time and affects the processing efficiency. In particular, heavy products with irregular structures with the middle of the pin shaft end head being an inclined surface cannot be hoisted. UTILITY MODEL CONTENTS
[0004] In order to solve the above problems and overcome the shortcomings of the prior art, the utility model provides a conical pin shaft end head hoisting clamping device.
[0005] The first technical problem solved is that the heavy product with an irregular structure with the middle of the pin shaft end head being an inclined surface is placed on the ground in an inclined state, and the general lifting appliance cannot clamp the irregular structure with the middle being an inclined surface, especially the heavy product has higher stability requirements.
[0006] The specific technical scheme for solving the above technical problems is that the conical pin shaft end head hoisting clamping device comprises a scissors arm, two lower clamping arms of the scissors arm are fixed on two parallel connecting plates respectively, and a clamping single arm is arranged at the two ends of the connecting plate; the clamping single arms of the two connecting plates are combined into a clamp for clamping the pin shaft end head.
[0007] The clamping single arms of the clamp at the two ends of the connecting plate are different in size, and the clamping single arms of different sizes are combined into clamps which are matched with the conical pin shaft end head respectively.
[0008] A push-pull unlocking mechanism is further arranged on the connecting plate, comprising a push-pull rod, a hinge seat arranged on one connecting plate and a limiting seat arranged on the other connecting plate, the other end of the push-pull rod is arranged through the limiting seat in a clearance fit, a handle is arranged at the end of the push-pull rod, and a handle is arranged on the outer side of the handle.
[0009] Further, the two upper clamping arms at the upper end of the scissors arm are connected with the hoisting device through a lifting chain.
[0010] Further, the clamps with different opening sizes are clamp I and clamp II, and the shaft centers of the clamp I and the clamp II are coaxial in the clamped state.
[0011] Further, the handle is fixed on the side wall of the connecting plate on one side of the handle.
[0012] The utility model discloses beneficial effect is:
[0013] An advantage of the utility model lies in providing the lifting appliance of the clamp single arm with different opening sizes, the clamps with different sizes are clamped to the irregular size two end side walls of the pin shaft end head respectively by the action of gravity, and the clamping is tighter and tighter under the action of gravity, so that the stability of the hoisting heavy product pin shaft end head can be guaranteed.
[0014] An advantage of the utility model lies in that the shaft centers of the clamp I and the clamp II are coaxial in the clamped state, so that the balance of the hoisting pin shaft end head can be guaranteed, and the stability of the hoisting heavy product pin shaft end head can be guaranteed.
[0015] An advantage of the utility model lies in providing the push-pull unlocking mechanism, the clamped state of the tooling can be conveniently released by the structure, the handle provides a gripping point, the clamped state of the tooling can be conveniently released, and in particular, the other end of the push-pull rod is provided with a limiting seat through gap cooperation, the push-pull rod is smoothly pushed and pulled, so that the opening of the clamp I and the clamp II is changed. DRAWINGS:
[0016] ATTACH Figure 1 It is the structural schematic diagram of the utility model, and in the drawings:
[0017] 1.shear arm;2.connecting plate;3.clamp single arm;4.hinge seat;5.push-pull rod;6.limiting seat;7.handle;8.handle;9.clamp II;10.clamp I. CONCRETE IMPLEMENTATION:
[0018] In the description of the utility model, it is understood that the orientation or position relation of the terms "center", "upper", "lower", "left", "right", "rear", "left lower", "right upper" and "outer" is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the protection scope of the utility model. In addition, the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0019] The utility model discloses a specific implementation manner: the taper pin shaft end head hoisting clamping device, including scissors arm 1, two pincers arms of the lower end of scissors arm 1 are fixed on the two connecting plate 2 of parallel setting respectively, and the both ends of connecting plate 2 are provided with pincers single arm 3;The pincers single arm 3 of two connecting plate 2 encloses the pincers for clamping pin shaft end head;
[0020] The utility model discloses an improvement point at:
[0021] The pincers single arm 3 of the both ends pincers of connecting plate 2 is different in opening size, and the pincers of the pincers single arm 3 of different opening sizes encloses and matches with taper pin shaft end head respectively;
[0022] The pincers of different opening sizes are pincers I 10 and pincers II 9, and the shaft center of pincers I 10 and pincers II 9 is coaxial in clamping state. In this way, the balance of pin shaft end head hoisting can be well ensured, and the irregular structure of the heavy product pin shaft end head due to the middle inclined surface is clamped, especially for the stability requirement.
[0023] The connecting plate 2 is further provided with a push-pull unlocking mechanism, including a push-pull rod 5, a hinge seat 4 provided on one connecting plate 2 and a limiting seat 6 provided on the other connecting plate 2, one end of the push-pull rod 5 is hinged to the hinge seat 4, the other end of the push-pull rod 5 passes through the limiting seat 6 through a clearance fit, the end of the push-pull rod 5 is provided with a handle 8, and the outside of the handle 8 is provided with a handle 7.
[0024] As a preferred embodiment of the utility model, the handle 7 is fixed on the side wall of the connecting plate 2 on one side of the handle 8, so that the handle 7 can provide a gripping point when the operator uses the handle 8 by hand, and the clamping state of the tool can be quickly and conveniently released.
[0025] It should be noted that the utility model is a taper pin shaft end head hoisting clamping device, and when working,
[0026] 1. When hoisting the pin shaft end head of the heavy product, first, the handle 8 is pulled by force by manually gripping the handle 7, so as to drive the push-pull rod 5 to move, the other end of the push-pull rod 5 passes through the limiting seat 6 through a clearance fit, and the push-pull rod 5 can be displaced during the angle change of the connecting plate 2, so that the push-pull rod 5 can be smoothly pushed and pulled, so as to change the opening of the pincers I 10 and the pincers II 9, and the pincers I 10 and the pincers II 9 are arranged outside the pin shaft end head of the heavy product for hoisting;
[0027] 2. The shears arm 1 is hoisted by the hoisting device, and the opening of the clamp I 10 and the clamp II 9 is reduced by the action of gravity, so that the clamp I 10 and the clamp II 9 are clamped with the irregular circular product on both sides of the size of the pin shaft end, and the clamping is tightened under the action of gravity, so that the stability of the hoisting heavy product pin shaft end is ensured;
[0028] Especially, the shaft centers of the clamp I 10 and the clamp II 9 are coaxial in the clamping state. In this way, the balance of the hoisting pin shaft end can be well ensured, and the clamping of the heavy product pin shaft end due to the irregular structure of the inclined surface in the middle is ensured, especially for the stability requirement of the hoisting heavy product pin shaft end.
[0029] 3. After the hoisting is completed, the artificial gripping handle 7 is used to pull the handle 8, so as to drive the push-pull rod 5 to move, so as to change the opening of the clamp I 10 and the clamp II 9, and the clamp I 10 and the clamp II 9 are separated from the outside of the hoisting heavy product pin shaft end.
[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A cone pin shaft end head hoisting and clamping device, comprising a scissor arm (1), two lower pincer arms of the scissor arm (1) are fixed on two parallel connection plates (2) respectively, and pincer single arms (3) are arranged at two ends of the connection plates (2); the pincer single arms (3) of the two connection plates (2) enclose a pincer for clamping the pin shaft end head; characterized in that: The pincer single arms (3) of the pincer at two ends of the connection plate (2) are different in opening size, the pincer single arms (3) different in opening size enclose pincers respectively matched with the cone pin shaft end head; A push-pull unlocking mechanism is further arranged on the connection plate (2), comprising a push-pull rod (5), a hinged seat (4) arranged on one connection plate (2) and a limiting seat (6) arranged on the other connection plate (2), one end of the push-pull rod (5) is hinged with the hinged seat (4), the other end of the push-pull rod (5) passes through the limiting seat (6) in clearance fit, an end of the push-pull rod (5) is provided with a handle (8), and an outer side of the handle (8) is provided with a handle (7).
2. The tapered pin shaft end lifting clamp apparatus of claim 1, wherein Two upper pincer arms at an upper end of the scissor arm (1) are connected with a hoisting device through a lifting chain respectively.
3. The tapered pin shaft end lifting clamp apparatus of claim 1, wherein The pincers different in opening size are a pincer I (10) and a pincer II (9), and the shaft centers of the pincer I (10) and the pincer II (9) are coaxial in the clamping state.
4. The tapered pin shaft end lifting clamp apparatus of claim 1, wherein The handle (7) is fixed on a side wall of the connection plate (2) on one side of the handle (8). The handle (7) is fixed on a side wall of the connection plate (2) on one side of the handle (8).