CN209740512U - Lifting hook is used in construction of PC concrete member - Google Patents
Lifting hook is used in construction of PC concrete member Download PDFInfo
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- CN209740512U CN209740512U CN201920275375.7U CN201920275375U CN209740512U CN 209740512 U CN209740512 U CN 209740512U CN 201920275375 U CN201920275375 U CN 201920275375U CN 209740512 U CN209740512 U CN 209740512U
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Abstract
The utility model relates to a lifting hook technical field, and a lifting hook is used in PC concrete member construction is disclosed, including the lifting hook body, the top fixedly connected with stand of lifting hook body, one side of stand articulates there is the baffle, the one end that the stand was kept away from to the baffle offsets with the inboard of lifting hook body gullet, the stand is close to one side of baffle and has seted up T type spout, sliding connection has the T type slider of matching in the T type spout, one side fixedly connected with reset spring of T type slider, reset spring's other end fixed connection is on the lateral wall that T type spout corresponds, one side that T type spout tank bottom was kept away from to T type slider articulates there is the connecting rod, the other end of connecting rod is articulated mutually with one side that the baffle is close to the stand, the one end fixedly connected with round platform of lifting hook body is kept away from to the stand. The utility model discloses effectively prevent the object landing in the lifting hook for the security of lifting hook is higher for the construction of PC concrete member.
Description
Technical Field
the utility model relates to a lifting hook technical field especially relates to a lifting hook is used in construction of PC concrete member.
background
A hook is one of the most common lifting tools in lifting machinery. The hook is often suspended from the wire rope of the hoisting mechanism by means of a pulley block or the like. Because the danger coefficient of the working place of the lifting hook is higher, if the lifting operation is carried out in the adverse environment exceeding the safety limit or the sanitary standard, such as the environment of high dust, high temperature, high humidity, low temperature, high noise, strong wind, poor illumination and the like, the attention is dispersed, the reaction capability of the operators and the stability of technical exertion are directly influenced, the chances of misoperation and illegal operation are increased, the object falling off on the lifting hook is very likely to occur, so that accidents are caused, and under the action of higher pressure, because the steel wire rope is woven by a plurality of steel wires, the rotating condition can be generated under the action of external force, the lifted heavy object also rotates along with the lifting hook, the lifted heavy object cannot be lifted or put down continuously at the moment, and the possibility of falling off the object on the lifting hook is greatly increased. The rotation of the hook can affect the normal operation of the hoisting operation, seriously threatens the safety of operators and equipment, and therefore must be avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the object drop phenomenon probably takes place for the lifting hook for the construction of PC concrete member among the prior art, and the lifting hook for the construction of the PC concrete member who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A lifting hook for PC concrete member construction comprises a lifting hook body, wherein the top end of the lifting hook body is fixedly connected with an upright post, one side of the upright post is hinged with a baffle plate, one end of the baffle plate, which is far away from the upright post, is propped against the inner side of the hook teeth of the hook body, a T-shaped sliding groove is arranged on one side of the upright post close to the baffle, a matched T-shaped sliding block is connected in the T-shaped sliding groove in a sliding way, one side of the T-shaped sliding block is fixedly connected with a return spring, the other end of the return spring is fixedly connected with the corresponding side wall of the T-shaped sliding chute, one side of the T-shaped sliding block, which is far away from the bottom of the T-shaped sliding groove, is hinged with a connecting rod, the other end of the connecting rod is hinged with one side of the baffle, which is close to the upright post, the end of the upright post far away from the hook body is fixedly connected with a circular truncated cone, the upper surface of the circular truncated cone is provided with a rotary groove, and a matched rotating rod is inserted in the rotating groove, and the rotating rod is connected with the rotating groove through a rotating mechanism.
Preferably, rotary mechanism includes two sliders, two slider symmetry fixed connection is on the pole wall of bull stick, and two sliders are located the runner, the ring channel that matches with the slider is seted up to the position department that the cell wall of runner corresponds the slider, and slider and ring channel sliding connection, first ball groove has been seted up to one side that the slider is close to the ring channel tank bottom, and first ball inslot roll connection has the first ball of matching, the notch in first ball groove is passed and outwards extends to the one end that first ball groove tank bottom was kept away from to first ball, and roll connection is at the tank bottom of ring channel.
Preferably, the two opposite side walls of the upright post are fixedly connected with fixing rods, and the other ends of the fixing rods are fixedly connected to the lower surface of the circular truncated cone.
Preferably, a second ball groove is formed in one side, close to the bottom of the T-shaped sliding groove, of the T-shaped sliding block, a matched second ball is connected in the second ball groove in a rolling mode, one end, far away from the bottom of the second ball groove, of the second ball groove penetrates through a groove opening of the second ball groove and extends outwards, and the second ball groove is connected to the bottom of the T-shaped sliding groove in a rolling mode.
Preferably, the rotating rod is rotatably connected with the bottom of the rotating groove through a bearing.
Preferably, one end of the rotating rod, which is far away from the bottom of the rotating groove, is fixedly connected with a hanging ring.
Compared with the prior art, the utility model provides a lifting hook is used in construction of PC concrete member possesses following beneficial effect:
1. This lifting hook is used in construction of PC concrete member, through setting up the lifting hook body, the stand, the baffle, T type spout, T type slider, reset spring and connecting rod, when needs lift by crane PC concrete member, exert a pressure to the baffle, will deflect with stand looks articulated baffle, and drive articulated connecting rod, make T type slider slide along T type spout, compress reset spring, the lifting hook body hooks behind the object, reset spring resets, make baffle automatic re-setting, the baffle offsets with the hook tooth inboard of lifting hook body this moment, thereby effectively prevent the object landing in the lifting hook, make the security of lifting hook is higher for the construction of PC concrete member.
2. This lifting hook is used in construction of PC concrete member, through setting up the lifting hook body, the round platform, the rotating chute, the bull stick, the slider, ring channel and first ball, lift by crane the in-process, when wire rope takes place to rotate under the exogenic action, the bull stick that drives in the rotating chute takes place to rotate, and simultaneously, it slides along the ring channel emergence to drive the slider, first ball on the slider, effectively reduce the frictional force between slider and the ring channel, and then when guaranteeing that wire rope takes place to rotate, can not drive the lifting hook body and take place to rotate, the stability of lifting hook has been guaranteed, thereby the security of hoist and mount operation has been improved.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses effectively prevent the object landing in the lifting hook for the security of lifting hook is higher for the construction of PC concrete member.
Drawings
FIG. 1 is a schematic structural view of a lifting hook for PC concrete member construction according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1 lifting hook body, 2 stands, 3 baffles, 4T-shaped chutes, 5T-shaped sliders, 6 return springs, 7 connecting rods, 8 round tables, 9 rotating grooves, 10 rotating rods, 11 sliders, 12 annular grooves, 13 first balls, 14 fixing rods, 15 second balls and 16 lifting rings.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a lifting hook for PC concrete member construction comprises a lifting hook body 1, a column 2 is fixedly connected to the top end of the lifting hook body 1, a baffle 3 is hinged to one side of the column 2, one end of the baffle 3 far away from the column 2 is abutted to the inner side of a tooth of the lifting hook body 1, a T-shaped chute 4 is arranged on one side of the column 2 close to the baffle 3, a matched T-shaped slide block 5 is connected in the T-shaped chute 4 in a sliding manner, a return spring 6 is fixedly connected to one side of the T-shaped slide block 5, the other end of the return spring 6 is fixedly connected to the corresponding side wall of the T-shaped chute 4, a connecting rod 7 is hinged to one side of the baffle 3 close to the column 2, a circular truncated cone 8 is fixedly connected to one end of the column 2 far away from the lifting hook body 1, a rotary groove 9 is arranged on the upper surface of the circular truncated cone 8, and the rotating rod 10 is connected with the rotating groove 9 through a rotating mechanism, when a PC concrete member needs to be lifted, a pressure is applied to the baffle 3, the baffle 3 hinged with the upright post 2 deflects and drives the hinged connecting rod 7, the T-shaped sliding block 5 slides along the T-shaped sliding groove 4, the reset spring 6 is compressed, after the hook body 1 hooks an object, the reset spring 6 resets to enable the baffle 3 to reset automatically, at the moment, the baffle 3 abuts against the inner side of the hook teeth of the hook body 1, so that the object in the hook is effectively prevented from sliding off, and the safety of the hook for PC concrete member construction is higher.
The rotating mechanism comprises two sliding blocks 11, the two sliding blocks 11 are symmetrically and fixedly connected to the rod wall of a rotating rod 10, the two sliding blocks 11 are positioned in a rotating groove 9, the position, corresponding to the sliding block 11, of the groove wall of the rotating groove 9 is provided with an annular groove 12 matched with the sliding block 11, the sliding block 11 is in sliding connection with the annular groove 12, one side, close to the bottom of the annular groove 12, of the sliding block 11 is provided with a first ball groove, matched first balls 13 are connected in the first ball groove in a rolling manner, one end, far away from the bottom of the first ball groove, of the first ball 13 penetrates through the notch of the first ball groove and extends outwards, and is connected to the bottom of the annular groove 12 in a rolling manner, in the hoisting process, when a steel wire rope rotates under the action of external force, the rotating rod 10 in the rotating groove 9 is driven to rotate, meanwhile, the sliding block 11 is driven to slide along the annular groove 12, the first balls 13 on the, and then when guaranteeing that wire rope takes place to rotate, can not drive lifting hook body 1 and take place to rotate, guaranteed the stability of lifting hook to the security of hoist and mount operation has been improved.
Equal fixedly connected with dead lever 14 on the both sides back of the body lateral wall of stand 2, the other end fixed connection of dead lever 14 improves the stability of connecting at the lower surface of round platform 8.
The second ball groove has been seted up to one side that T type slider 5 is close to 4 tank bottoms of T type spout, and the second ball inslot roll connection has the second ball 15 of matching, and the notch in second ball groove is passed and outwards extends to the one end that second ball 15 kept away from the second ball groove tank bottom, and roll connection reduces the frictional force between T type slider 5 and the T type spout 4 at the tank bottom of T type spout 4.
The rotating rod 10 is rotatably connected with the bottom of the rotating groove 9 through a bearing, so that the connecting stability of the rotating rod 10 and the rotating groove 9 is improved.
And a lifting ring 16 is fixedly connected at one end of the rotating rod 10 far away from the bottom of the rotating groove 9, so that the lifting is convenient.
In the utility model, when the PC concrete member is required to be lifted, a pressure is applied to the baffle 3, the baffle 3 hinged with the stand column 2 deflects and drives the hinged connecting rod 7 to enable the T-shaped slider 5 to slide along the T-shaped chute 4, the reset spring 6 is compressed, after the hook body 1 hooks an object, the reset spring 6 resets to enable the baffle 3 to automatically reset, at the moment, the baffle 3 abuts against the inner side of the hook teeth of the hook body 1, so that the object in the hook is effectively prevented from sliding off, and the safety of the hook for PC concrete member construction is higher; in the lifting process, when the steel wire rope rotates under the action of external force, the rotating rod 10 in the rotating groove 9 is driven to rotate, meanwhile, the sliding block 11 is driven to slide along the annular groove 12, the first ball 13 on the sliding block 11 effectively reduces the friction force between the sliding block 11 and the annular groove 12, and further when the steel wire rope rotates, the lifting hook body 1 cannot be driven to rotate, the stability of the lifting hook is guaranteed, and therefore the safety of lifting operation is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a lifting hook is used in construction of PC concrete member, includes lifting hook body (1), its characterized in that, the top fixedly connected with stand (2) of lifting hook body (1), one side of stand (2) articulates there is baffle (3), the one end that stand (2) were kept away from in baffle (3) offsets with the inboard of lifting hook body (1) hook tooth, T type spout (4) have been seted up to one side that stand (2) are close to baffle (3), sliding connection has the T type slider (5) of matching in T type spout (4), one side fixedly connected with reset spring (6) of T type slider (5), the other end fixed connection of reset spring (6) is on the lateral wall that T type spout (4) correspond, one side that T type spout (4) tank bottom was kept away from in T type slider (5) articulates there is connecting rod (7), the other end of connecting rod (7) is articulated mutually with one side that baffle (3) are close to stand (2), the lifting hook is characterized in that one end of the column (2) far away from the lifting hook body (1) is fixedly connected with a round table (8), a rotating groove (9) is formed in the upper surface of the round table (8), a matched rotating rod (10) is inserted into the rotating groove (9), and the rotating rod (10) is connected with the rotating groove (9) through a rotating mechanism.
2. The lifting hook for the construction of the PC concrete member as claimed in claim 1, wherein the rotating mechanism comprises two sliding blocks (11), the two sliding blocks (11) are symmetrically and fixedly connected to the rod wall of the rotating rod (10), the two sliding blocks (11) are located in the rotating groove (9), an annular groove (12) matched with the sliding blocks (11) is formed in the position, corresponding to the sliding blocks (11), of the groove wall of the rotating groove (9), the sliding blocks (11) are slidably connected with the annular groove (12), a first ball groove is formed in one side, close to the groove bottom of the annular groove (12), of each sliding block (11), a matched first ball (13) is connected in the first ball groove in a rolling mode, one end, far away from the groove bottom of the first ball groove, of each first ball (13) penetrates through the groove opening of the corresponding first ball groove and extends outwards, and is connected to the groove bottom of the annular groove (12) in a rolling mode.
3. The lifting hook for the construction of the PC concrete member as claimed in claim 1, wherein the two opposite side walls of the upright post (2) are fixedly connected with fixing rods (14), and the other ends of the fixing rods (14) are fixedly connected with the lower surface of the circular truncated cone (8).
4. A lifting hook for PC concrete member construction according to claim 1, wherein a second ball groove is opened on one side of the T-shaped sliding block (5) close to the bottom of the T-shaped sliding groove (4), a matched second ball (15) is connected in the second ball groove in a rolling manner, one end of the second ball (15) far away from the bottom of the second ball groove passes through the notch of the second ball groove and extends outwards, and the second ball is connected at the bottom of the T-shaped sliding groove (4) in a rolling manner.
5. The lifting hook for construction of PC concrete members as claimed in claim 1, wherein the rotating rod (10) is rotatably connected with the bottom of the rotating groove (9) through a bearing.
6. the lifting hook for construction of PC concrete members as claimed in claim 1, wherein a lifting ring (16) is fixedly connected to one end of the rotating rod (10) far away from the bottom of the rotating groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275375.7U CN209740512U (en) | 2019-03-05 | 2019-03-05 | Lifting hook is used in construction of PC concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275375.7U CN209740512U (en) | 2019-03-05 | 2019-03-05 | Lifting hook is used in construction of PC concrete member |
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| Publication Number | Publication Date |
|---|---|
| CN209740512U true CN209740512U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920275375.7U Active CN209740512U (en) | 2019-03-05 | 2019-03-05 | Lifting hook is used in construction of PC concrete member |
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| Country | Link |
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| CN (1) | CN209740512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873516A (en) * | 2022-05-10 | 2022-08-09 | 中建海峡建设发展有限公司 | Jacking device for PC component |
-
2019
- 2019-03-05 CN CN201920275375.7U patent/CN209740512U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873516A (en) * | 2022-05-10 | 2022-08-09 | 中建海峡建设发展有限公司 | Jacking device for PC component |
| CN114873516B (en) * | 2022-05-10 | 2023-04-28 | 中建海峡建设发展有限公司 | Jacking device for PC component |
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