Concrete column hoisting lock
By designing the shaft pin and locking plate structure of the concrete column hoisting lock, the problems of low hoisting efficiency and high safety risks in the existing technology are solved, and a fast and safe concrete column hoisting process is realized.
Patent Information
- Application Number
- CN202520207193.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The existing method of hoisting concrete columns requires repeated unhooking, which affects hoisting efficiency and poses risks of working at height, especially at greater heights.
A concrete column hoisting lock was designed, including a pin, a locking plate, and a hook structure. By setting an annular groove and a locking plate on the pin, the design of the locking plate rotation and the fixing block enables quick hook removal, ensuring the safety and stability of the hoisting process.
This technology enables rapid unhooking during the concrete column hoisting process, improving hoisting efficiency, reducing safety risks, minimizing the need for high-altitude operations, and enhancing construction efficiency.
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Figure CN223687927U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hoist tool technical field, especially relate to a concrete column hoist lock. BACKGROUND
[0002] The prefabricated concrete column is a column prefabricated by pouring concrete, and some steel bars are used as inner lining support before pouring the prefabricated concrete column, and the prefabricated reinforced concrete frame structure plays an important role in the fabricated building.
[0003] The prefabricated concrete column is mostly used in some large public buildings, and when the prefabricated concrete column is erected, the prefabricated concrete column and the prefabricated base are connected by using steel sleeves, angle steels and bolts, and then the connection is poured again.
[0004] The existing concrete column hoisting mostly adopts the traditional hoisting mode, that is, the lifting ring is fixed at the concrete column hoisting point, and the concrete column is hoisted by using the lifting hook on the lifting tool, and this mode needs to repeatedly hook when the concrete column is hoisted repeatedly, and the concrete column is high, and a scaffold needs to be erected when the hook is removed, which seriously affects the hoisting efficiency. UTILITY MODEL CONTENTS
[0005] In view of the defects or deficiencies in the prior art, the utility model provides a concrete column hoist lock which can realize quick hooking during concrete hoisting and improve the concrete column hoisting efficiency.
[0006] To achieve the above object, the utility model adopts the following technical scheme:
[0007] The utility model discloses an embodiment provides a kind of concrete column hoist lock, including shaft pin, the shaft pin is arranged in the hole reserved in the upper part of concrete column, annular groove is set on the outer circle of one end of the shaft pin, the annular groove is equipped with clamping plate outside, first recess is set in the bottom surface middle part of the clamping plate, the annular groove is matched with first recess, the clamping plate bottom is provided with fixed block, second recess is set in the top of the fixed block, and the top opening of the second recess is correspondingly arranged with the bottom opening of the first recess.
[0008] Further, the shaft pin is perpendicular to the concrete column, and the length of the shaft pin is greater than the width of the concrete column.
[0009] Further, the shaft pin on the both sides of the concrete column is equipped with a lifting hook, and the lifting hook is a circular ring with an inner diameter greater than the outer diameter of the shaft pin.
[0010] Further, the concrete column is provided with a balance beam above, the length of the balance beam is same with the length of the shaft pin, and the balance beam is vertically arranged with the shaft pin, two hooks are connected with the balance beam through steel wire ropes, and two ends of the balance beam are connected with the lifting appliance through the steel wire ropes.
[0011] Further, the shaft pin is provided with a blocking ring on the outer surface of the end far from the annular groove, the blocking ring is symmetrically arranged with the clamping plate, the blocking ring is in a circular ring structure, the outer diameter of the blocking ring is larger than the inner diameter of the hook, and the hook is located between the blocking ring and the concrete column.
[0012] Further, the width of the annular groove is larger than the thickness of the clamping plate.
[0013] Further, the width of the opening at the top of the second groove is same with the width of the opening at the bottom of the first groove.
[0014] Further, the longitudinal section of the second groove is in an elliptical shape, the long axis length of the second groove is larger than the diameter of the shaft pin, and the thickness of the fixing block is larger than the width of the annular groove.
[0015] Further, the top of the clamping plate is connected with an earing lug through an earing lug lock, and the earing lug lock is connected with the sliding rope.
[0016] Further, the shaft pin is fixedly connected with a lifting ring on the end face of the end close to the blocking ring, and the sliding rope is further connected with the hook on one side of the clamping plate, the lifting ring and the hook on one side of the blocking ring in sequence.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] 1. The utility model discloses a lifting device for concrete column, which comprises a shaft pin, a clamping plate, a sliding rope, a hook and a concrete column, wherein the shaft pin is provided with an annular groove on the end part, the clamping plate is sleeved outside the annular groove, the sliding rope is connected with the hook, and the hook is connected with the concrete column.
[0019] 2. The utility model discloses a fixing block is arranged at the bottom of the clamping plate, so that the gravity is at the downside of the clamping plate, the clamping plate keeps the vertical state under the action of gravity in the groove during lifting, the stability and safety performance of the clamping plate during lifting are guaranteed, and the safety risk is greatly reduced.
[0020] 3. The utility model discloses a blocking ring and a lifting ring are arranged on the other side of the shaft pin, the blocking ring limits the outward movement of the hook, the shaft pin can be pulled out from the inside of the concrete column, the lifting safety is guaranteed, the lifting ring is connected with the sliding rope, the blocking plate, the hook and the shaft pin are integrated, the risk of high-altitude falling objects is avoided, and the safety is improved.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the schematic diagram of hoisting lock structure in the embodiment of the utility model;
[0022] Figure 2 It is the connection state diagram of the clamping plate and the shaft pin in the embodiment of the utility model;
[0023] Figure 3 It is another connection state diagram of the clamping plate and the shaft pin in the embodiment of the utility model;
[0024] Figure 4 It is the connection state diagram of the shaft pin and the lifting hook in the embodiment of the utility model;
[0025] Wherein, 1, balance beam; 2, steel wire rope; 3, sliding rope; 4, shaft pin; 5, concrete column; 6, lifting hook; 7, annular groove; 8, clamping plate; 9, lock; 10, first recess; 11, fixed block; 12, retaining ring; 13, lifting ring; 14, second recess. DETAILED DESCRIPTION
[0026] The utility model is further explained in connection with the drawings and embodiments.
[0027] A typical embodiment of the utility model, as shown in Figure 1 A concrete column hoisting lock, including shaft pin 4, shaft pin 4 is solid steel pipe, and the upper portion of concrete column 5 is reserved with hole, and shaft pin 4 is inserted in the hole, so that shaft pin 4 is perpendicular to concrete column 5, and the length of shaft pin 4 is greater than the width of concrete column 5, facilitating hoisting of concrete column 5, and when hoisting, the lifting hook 6 is provided on the shaft pin 4 on both sides of concrete column 5, as shown in Figure 4 The inner diameter of lifting hook 6 is greater than the outer diameter of shaft pin 4, and balance beam 1 is arranged above concrete column 5, the length of balance beam 1 is same with the length of shaft pin 4, and balance beam 1 is arranged in parallel with shaft pin 4, and two lifting hooks 6 are connected with balance beam 1 through steel wire rope 2, and the arrangement of balance beam 1 can ensure the stability of hoisting, and the two ends of balance beam 1 are connected with lifting appliance through steel wire rope 2, so that the concrete column 5 is hoisted by lifting appliance.
[0028] The outer circular surface of one end of shaft pin 4 is sleeved with retaining ring 12, and retaining ring 12 is annular structure, and the outer diameter of retaining ring 12 is greater than the inner diameter of lifting hook 6, and lifting hook 6 is located between retaining ring 12 and concrete column 5, and when hoisting, lifting hook 6 is limited by retaining ring 12, avoiding lifting hook 6 from the end of shaft pin 4, and ensuring the smooth progress of hoisting.
[0029] The outer circular surface of the one end of the shaft pin 4 away from the baffle ring 12 is provided with an annular groove 7, the outer side of the annular groove 7 is provided with a clamping plate 8, the clamping plate 8 is symmetrically arranged with the baffle ring 12, the thickness of the clamping plate 8 is less than the width of the annular groove 7, the annular groove 7 can limit the clamping plate 8, avoiding the clamping plate 8 moving, thereby limiting the hook 6 by the clamping plate 8, avoiding the hook 6 sliding out of the end of the shaft pin 4.
[0030] Specifically, as shown in the figure, Figure 2 The bottom surface of the clamping plate 8 is provided with a first groove 10, the longitudinal section of the first groove 10 is U-shaped, the annular groove 7 is matched with the first groove 10, and the width of the annular groove 7 is greater than the thickness of the clamping plate 8, so that the clamping plate 8 can be clamped in the annular groove 7, and the clamping plate 8 is limited by the annular groove 7 during hoisting, avoiding the clamping plate 8 moving.
[0031] The bottom end of the clamping plate 8 is provided with a fixed block 11, the top of the fixed block 11 is provided with a second groove 14, the longitudinal section of the second groove 14 is oval, the top opening of the second groove 14 is correspondingly arranged with the bottom opening of the first groove 10, and the width of the top opening of the second groove 14 is the same as the width of the bottom opening of the first groove 10, so that the shaft pin 4 can move between the first groove 10 and the second groove 14, the major axis length of the second groove 14 is greater than the diameter of the shaft pin 4, and the thickness of the fixed block 11 is greater than the width of the annular groove 7, when the shaft pin 4 enters the second groove 14, the annular groove 7 cannot limit the shaft pin 4, so that the shaft pin 4 can be pulled out of the second groove 14.
[0032] The top of the clamping plate 8 is connected with a lock 9 through an ear, the lock 9 is connected with the rope 3, the other end of the rope 3 is extended to a place convenient for the operator to operate, due to the arrangement of the fixed block 11, the weight of the bottom end of the clamping plate 8 is greater than the weight of the top end of the clamping plate 8, the opening of the first groove 10 is always downward without external force, so that the clamping plate 8 is clamped by the annular groove 7, limiting the hook 6. When the hoisting is completed, the hook 6 needs to be removed, the rope 3 is pulled, the clamping plate 8 is turned over under the action of external force, and moves downward under the action of gravity, so that the shaft pin 4 enters the second groove 14, as shown in the figure, at this time the annular groove 7 cannot limit the clamping plate 8, so that the clamping plate 8 can be removed, and the hook 6 is pulled out of the end of the shaft pin 4. Figure 3
[0033] The end surface of the one end of the shaft pin 4 close to the baffle ring 12 is fixedly connected with a lifting ring 13, after the rope 3 is connected with the lock 9, the rope 3 is sequentially connected with the hook 6 on one side of the clamping plate 8, the lifting ring 13 and the hook 6 on one side of the baffle ring 12, after the concrete column 5 is hoisted, the clamping plate 8 and the hook 6 are simultaneously separated from the shaft pin 4 by remotely pulling the rope 3, and finally the shaft pin 4 is pulled out of the concrete column 5 under the pulling of the crane.
[0034] At the same time, the lifting ring 13 is connected with the sliding rope 3, so that the blocking ring 12, the hook 6 and the shaft pin 4 are integrated, and there is no risk of falling objects in the air, and the safety is improved.
[0035] Working principle
[0036] A hook is installed at one end of the shaft pin and is located inside the blocking ring, then the shaft pin is inserted into the reserved hole of the concrete column, the concrete column is adjusted to be located in the middle of the shaft pin, the lengths reserved on both sides are the same, another hook is installed, then the clamping plate is installed in the groove on one side of the shaft pin, and it is ensured that the clamping plate is in a locked state.
[0037] The sliding rope is bound on the lifting ring and the hook respectively, then is connected with the hook on the other side, then is connected with the lock, and finally the length of the sliding rope is reserved to a place where the operator can operate.
[0038] After the concrete column is fixed, hoisting is completed, the clamping plate is rotated by pulling the sliding rope remotely, the clamping plate is provided with a fixing block at the bottom, the thickness of the fixing block is greater than the width of the annular groove, the clamping plate cannot be locked in the annular groove, when the steel wire rope is pulled, the clamping plate and the hook are smoothly unhooked, and the shaft pin is pulled out from the other side of the concrete under the pulling of the crane.
[0039] The lifting lock provided by the utility model is used for hoisting the concrete column, especially in the occasions where the lock is repeatedly used in hoisting the concrete column, two processes of hoisting and unhooking are realized through the up-down rotation of the clamping plate, the operator can realize unhooking remotely on the ground, the process is simple and easy to operate, the construction efficiency is improved, the safety risk is reduced, and the cost investment is reduced.
[0040] The above only describes preferred embodiments of the utility model and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A concrete column hoist lock, characterized by, Including the axle pin, the axle pin is set in the hole reserved in the upper part of the concrete column, the outer circular surface of the axle pin is provided with an annular groove, the annular groove is provided with a clamping plate outside, the bottom surface of the clamping plate is provided with a first groove, the annular groove is matched with the first groove, the bottom of the clamping plate is provided with a fixed block, the top of the fixed block is provided with a second groove, and the top opening of the second groove is correspondingly arranged with the bottom opening of the first groove.
2. A concrete column hoist lock according to claim 1, wherein, The axle pin is perpendicular to the concrete column, and the length of the axle pin is greater than the width of the concrete column.
3. A concrete column hoist lock according to claim 2, wherein, Hooks are arranged on the axle pins on both sides of the concrete column, the hooks are circular, and the inner diameter of the hooks is greater than the outer diameter of the axle pin.
4. A concrete column hoist lock according to claim 3, wherein, A balance beam is arranged above the concrete column, the length of the balance beam is the same as the length of the axle pin, the balance beam is arranged vertically to the axle pin, the two hooks are connected to the balance beam through steel wires, and the two ends of the balance beam are connected to the lifting appliance through steel wires.
5. A concrete column hoist lock according to claim 3, wherein, A retaining ring is arranged on the outer circular surface of the end of the axle pin away from the annular groove, the retaining ring is symmetrically arranged with the clamping plate, the retaining ring is circular, the outer diameter of the retaining ring is greater than the inner diameter of the hook, and the hook is located between the retaining ring and the concrete column.
6. A concrete column hoist lock according to claim 1, wherein, The width of the annular groove is greater than the thickness of the clamping plate.
7. A concrete column hoist lockset as defined in claim 1 wherein, The width of the top opening of the second groove is the same as the width of the bottom opening of the first groove.
8. A concrete column hoist lockset as defined in claim 1 wherein, The longitudinal section of the second groove is elliptical, the major axis length of the second groove is greater than the diameter of the axle pin, and the thickness of the fixed block is greater than the width of the annular groove.
9. A concrete column hoist lock according to claim 1 wherein, The top of the clamping plate is connected to an earing lock through an earing, and the earing lock is connected to a sliding rope.
10. A concrete column hoist lock according to claim 9, wherein, The end surface of the end of the axle pin close to the retaining ring is fixedly connected with a lifting ring, and the sliding rope is sequentially connected to the hook on one side of the clamping plate, the lifting ring and the hook on one side of the retaining ring.