CN212668946U - Self-unhooking hoisting tool for prefabricated part - Google Patents
Self-unhooking hoisting tool for prefabricated part Download PDFInfo
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- CN212668946U CN212668946U CN202020825965.5U CN202020825965U CN212668946U CN 212668946 U CN212668946 U CN 212668946U CN 202020825965 U CN202020825965 U CN 202020825965U CN 212668946 U CN212668946 U CN 212668946U
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Abstract
The utility model discloses a self-unhooking hoisting tool for a prefabricated part, which comprises a balancing rod and a piercing bearing rod; rope fixing ends for limiting the hoisting steel chain are arranged on the two sides of the balancing rod; one end of the through bearing rod is provided with an annular groove matched with the safety valve, and the other end of the through bearing rod is fixed with a baffle plate of which the orthographic projection completely covers the through bearing rod; the safety valve is integrally in a sheet shape, a through hole I and a through hole II which are connected with each other are formed in the safety valve, the through hole I and the through hole II can enable the through load-bearing rod to freely enter the through hole I and the through hole II through the connecting part of the through hole I and the through hole II, the outer edge of the through hole I is matched with the annular groove, the orthographic projection area of the through hole II is completely covered and is larger than that of the through load-bearing rod, and the safety valve is provided with a thickening sheet around; after the hoisting of the prefabricated part is finished, the self-unhooking operation is finished by rotating the safety valve. The utility model has simple structure, high rigidity of the whole structure and good reliability; the self-unhooking operation can be completed on the ground, the efficiency is high, potential safety hazards are avoided, and the application prospect is good.
Description
Technical Field
The utility model belongs to the technical field of the construction equipment, a prefabricated component is from unhook frock of lifting by crane is related to.
Background
With the development of society, the traditional house construction has large material consumption, high cost, long construction period and low construction speed, and the traditional house construction is difficult to meet the requirements of the current society on higher cost and higher speed. The prefabricated building is produced by the way that all components of a house are prefabricated in a factory and only need to be assembled when being transported to a construction site, and the prefabricated building has the advantages of high construction speed and low production cost and is rapidly popularized and developed all over the world.
When house components are assembled, the components are often required to be hoisted, and when the components are hoisted, particularly large and multi-section prefabricated components are hoisted, personnel are often required to climb to an appointed position before and after hoisting, hook lock mooring ropes are disassembled, so that the hoisting working efficiency is influenced, and small potential safety hazards exist on the other hand.
Therefore, the development of the self-unhooking lifting tool for the prefabricated part, which is good in operation convenience and use safety, has practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that prior art work efficiency is low and there is the potential safety hazard, provide a prefabricated component that the simple operation nature is good and the safety in utilization is good from unhook lifting by crane frock.
In order to achieve the above object, the utility model provides a following technical scheme:
a self-unhooking hoisting tool for a prefabricated part comprises a balancing rod and a piercing bearing rod;
rope fixing ends for limiting the hoisting steel chain are arranged on the two sides of the balancing rod;
one end of the piercing bearing rod is provided with an annular groove matched with the safety valve, and the other end of the piercing bearing rod is fixed with a baffle plate of which the orthographic projection completely covers the piercing bearing rod;
the safety valve is integrally in a sheet shape, a through hole I and a through hole II which are connected with each other are formed in the safety valve, the through hole I and the through hole II can enable the through bearing rod to freely enter the through hole I and the through hole II through the connecting part of the through hole I and the through hole II, the outer edge of the through hole I is matched with the annular groove, the orthographic projection area of the through hole II is completely covered and is larger than that of the through bearing rod, and the safety valve is provided with a thickening sheet around the outer edge of the through hole II;
before the prefabricated part is hoisted, the piercing bearing rod penetrates through a through hole reserved in the prefabricated part, the safety valve is used for fixing the piercing bearing rod, the position of the through hole I of the safety valve is fixed with the annular groove, after the prefabricated part is hoisted, the safety valve is rotated (namely the safety valve rotates relative to the piercing bearing rod), the piercing bearing rod enters the through hole II through the through hole I, and the safety valve is released from the annular groove to finish self-unhooking operation.
Before hoisting the prefabricated part, penetrating a piercing bearing rod into a through hole reserved on the prefabricated part, mounting a safety valve on one side of the piercing bearing rod, fixing the position of a through hole I of the safety valve with an annular groove, fixing a balancing rod and the piercing bearing rod by using a hoisting steel chain, limiting the hoisting steel chain by using rope fixing ends at two ends of the balancing rod, connecting one end of the hoisting steel chain with a crane hook, connecting the other end of the hoisting steel chain with the piercing bearing rod, and adjusting the crane to ensure that the balancing rod is arranged right above the piercing bearing rod and keep the balancing rod and the piercing bearing rod on the same vertical plane;
after the hoisting of the prefabricated part is completed, the safety valve is rotated (namely the safety valve rotates relative to the piercing bearing rod), at the moment, the piercing bearing rod enters the through hole II through the through hole I, namely the safety valve is fixed and removed from the annular groove, so that the self-unhooking is completed, the crane is controlled to enable the piercing bearing rod and the prefabricated part to move relatively, and finally the piercing bearing rod and the prefabricated part are separated.
The utility model discloses a prefabricated component is from unhook frock of lifting by crane, moreover, the steam generator is simple in structure, whole structure rigidity is high, the good reliability, it is good to use the convenience, and be applicable to the prefab of unidimensional and type, after accomplishing the hoist and mount, the user can accomplish the upset of relief valve at ground operation unhook rope, the punching bearing bar gets into through-hole II by through-hole I, the relief valve is promptly fixed with the ring channel and is relieved and accomplish from the unhook operation promptly, on the one hand, work efficiency has greatly been improved, on the other hand need not personnel and climbs to go to loosen the relief valve, no potential safety hazard, application.
As a preferred technical scheme:
according to the self-unhooking hoisting tool for the prefabricated part, in the hoisting process, the balance rod is always located right above the piercing bearing rod and on the same vertical plane with the piercing bearing rod, the balance rod can be used for ensuring that the hoisting steel chain is vertically connected with the piercing bearing rod, the tensile force applied to the hoisting steel chain is further reduced, and the use safety of the hoisting steel chain is improved.
According to the self-unhooking lifting tool for the prefabricated part, the piercing bearing rod is of a round rod structure, the specific structure is not limited to the round rod structure, and a person skilled in the art can design the round rod structure into a square rod shape or other shapes according to actual needs;
the annular groove surrounds the circumferential surface of the through bearing rod;
the thickness of the through hole I is smaller than or equal to that of the annular groove, the through bearing rod is positioned in the through hole I in the locking state of the safety valve, and the safety valve is positioned in the annular groove at the moment;
the maximum thickness of the safety valve around the through hole II is larger than that of the annular groove, namely, the through bearing rod is positioned in the through hole II in the unlocking state of the safety valve, and the safety valve is fixedly separated from the annular groove.
According to the self-unhooking hoisting tool for the prefabricated part, the baffle is of a square plate-like structure, and the difference between the baffle and the square plate-like structure is that the edge of the baffle is smooth and excessive; the concrete shape and size of the baffle are not limited to the shape and size, the utility model discloses only provide a feasible technical scheme, the baffle only needs to be bigger than the stiff end of hoist and mount steel chain and punching bearing bar, can play effective spacing can, technical personnel in the field can rationally design the baffle according to the actual demand;
the baffle is kept away from and is had C shape handle I by punching bearing rod side, can make things convenient for personnel to carry when punching bearing rod's transportation.
According to the self-unhooking lifting tool for the prefabricated part, the balancing rod comprises a middle part and rope fixing ends positioned on two sides of the middle part;
the middle piece is of a hollow cylindrical structure, and the inner wall of the middle piece is provided with a thread structure I;
the rope fixing end comprises a C-shaped plate-shaped limiting piece and a connecting part connected with the middle piece;
the connecting part is of a cylindrical structure, the outer wall of the connecting part is provided with a thread structure II matched with the thread structure I, one end of the connecting part is connected with the middle plate of the C-shaped plate-shaped limiting part, and the connecting part is positioned on the back of the opening of the C-shaped plate-shaped limiting part;
and the two plates opposite to the C-shaped plate-shaped limiting part are provided with a through hole III and a through hole IV, and a hoisting steel chain between the two plates of the C-shaped plate-shaped limiting part can be limited by using a fixing hook to penetrate through the through hole III and the through hole IV. The design of the threaded structure of the middle piece and the rope fixing end endows the balance rod with the characteristic of adjustable length, a user can adjust the length of the balance rod according to the design condition on site, and the applicability of the balance rod is better. The structure of the rope fixing end of the utility model is not limited to this, and only one feasible technical scheme is provided here, and the rope fixing end can be reasonably designed by the technical personnel in the field according to the actual requirement.
According to the self-unhooking lifting tool for the prefabricated part, the C-shaped handles II which are symmetrically arranged are connected to the middle part of the outer wall of the middle part, the two handles are symmetrical, so that the center of gravity of the middle part is not shifted, and the designed handles can be conveniently carried by personnel;
the outer wall of middleware evenly is equipped with a plurality of solid fixed rings that are used for fixed position cable wire, and all solid fixed rings are located a straight line and solid fixed ring symmetrical arrangement is in the left and right sides of middleware, and the position that passes solid fixed ring's location cable wire can restrict the balancing pole ensures that it can not the displacement lead to the contained angle and the load position of hoist and mount steel chain to change, leads to taking place the hoist landing before the load loading.
The self-unhooking hoisting tool for the prefabricated part comprises a safety valve, a lifting device and a lifting device, wherein the safety valve comprises a plate I, a plate II and a thickening sheet;
the plate II comprises a circular cutting plate and a square plate, the straight edge of the circular cutting plate is attached to the square plate, and the lengths of the attached edges of the circular cutting plate and the square plate are the same;
the plate I is connected with the circle-cutting plate and is positioned on the side of the circle-cutting plate far away from the square plate, and the plate I and the plate II are not on the same plane. The utility model discloses a specific design of relief valve is not only limited to this, only gives a feasible technical scheme here, and through-hole I and through-hole II on field technician's the reasonable design relief valve and the relief valve according to actual conditions can be based on actual conditions. The board I is mainly used for being connected with the unhooking rope, and certain included angle exists between the board I and the board II, namely the safety valve main board, so that the safety valve can be turned over more conveniently to complete self-unhooking operation when the unhooking rope is operated.
According to the self-unhooking hoisting tool for the prefabricated part, the through hole I comprises the circular cutting hole V and the long strip-shaped through hole VI, the straight edge of the circular cutting hole V is connected with the long strip-shaped through hole VI, and the connecting edges of the circular cutting hole V and the long strip-shaped through hole VI are the same in length;
the through hole II is a circular cutting hole, the through hole II and the circular cutting hole V are respectively positioned at two sides of the long strip-shaped through hole VI, the straight edge of the through hole II is connected with the long strip-shaped through hole VI, and the connecting edges of the circular cutting hole V and the long strip-shaped through hole VI are the same in length;
the maximum width of the through hole II is larger than that of the through hole I.
According to the self-unhooking lifting tool for the prefabricated part, the plate I is a square plate, and a through hole VII through which a unhooking rope can conveniently pass is formed in the plate I;
the cutting round holes V, the strip-shaped through holes VI and the through holes II are sequentially arranged along the direction far away from the plate I;
the cutting circular hole V is a semicircular hole;
the through hole II is a large cutting round hole.
Through-hole I and through-hole II's specific setting is not only limited to this, the utility model discloses only provide a feasible technical scheme, other shapes and the through-hole of arranging also are applicable to the utility model discloses, as long as can guarantee through-hole I and through-hole II's connecting portion can make the bearing bar of punching freely get into in through-hole I and the through-hole II can.
According to the self-unhooking lifting tool for the prefabricated part, the thickening sheet is located on the side, far away from the plate I, of the plate II. The thickening piece is added mainly to ensure that the safety valve cannot be scratched into the annular groove after the safety valve is turned over.
Has the advantages that:
(1) the utility model has the advantages of simple structure, high rigidity of the whole structure and good reliability;
(2) the utility model discloses a prefabricated component lifts by crane frock from unhook, after accomplishing the hoist and mount, the user can accomplish from the unhook operation at ground operation unhook rope, has greatly improved work efficiency on the one hand, and on the other hand need not personnel and climbs to go to loosen the relief valve, and no potential safety hazard has application prospect.
Drawings
Fig. 1 is a schematic view of a set of the self-unhooking hoisting tool for the prefabricated part of the present invention;
FIG. 2 is a schematic structural view of a balance bar;
FIG. 3 is a schematic structural view of a through load-bearing bar;
fig. 4 and 5 are front and right side views of the safety valve, respectively;
FIG. 6 is a schematic diagram of two sets of the self-unhooking hoisting tool for the prefabricated parts of the present invention;
FIG. 7 is a schematic view of the operation flow before and after the hoisting of the self-unhooking hoisting tool for the prefabricated part;
the device comprises a balance rod 1, a middle piece 11, a C-shaped plate limiting piece 12, a connecting piece 13, a C-shaped handle II, a fixing ring 15, a penetrating load-bearing rod 2, an annular groove 21, a baffle 22, a C-shaped handle I, a crane hook 3, a hoisting steel chain 41, a positioning steel cable 42, a prefabricated part 5, a safety valve 6, a plate I61, a circular cutting plate 62, a square plate 63, a thickening sheet 64, a through hole VII 65, a through hole VII, a circular cutting hole V, a rectangular through hole VI 67, a through hole II 68 and a fixing hook 7.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A self-unhooking hoisting tool for a prefabricated part is shown in figure 1 and comprises a balancing rod 1 and a through bearing rod 2;
the balancing pole 1 is shown in fig. 2 and comprises a middle part 11 and rope fixing ends positioned at two sides of the middle part 11;
the middle part 11 is a hollow cylindrical structure, the inner wall of the middle part is provided with a thread structure I, the middle part of the outer wall of the middle part 11 is connected with C-shaped handles II 14 which are symmetrically arranged, the outer wall of the middle part is uniformly provided with a plurality of fixing rings 15 which are used for fixing and positioning the steel cable, all the fixing rings 15 are positioned on a straight line, and the fixing rings 15 are symmetrically arranged at the left side and the right side of the middle part 11;
the rope fixing end comprises a C-shaped plate-shaped limiting piece 12 and a connecting part 13 connected with the middle piece 11;
the connecting part 13 is a cylindrical structure, the outer wall of the connecting part is provided with a thread structure II matched with the thread structure I, one end of the connecting part 13 is connected with the middle plate of the C-shaped plate-shaped limiting part 12, and the connecting part is positioned on the back of the opening of the C-shaped plate-shaped limiting part 12;
through holes III and IV are formed in the two plates opposite to the C-shaped plate-shaped limiting part, and a hoisting steel chain 41 between the two plates of the C-shaped plate-shaped limiting part can be limited by using a fixing hook 7 to penetrate through the through holes III and IV;
as shown in fig. 3, the piercing load-bearing rod 2 is a round rod structure, one end of the piercing load-bearing rod is provided with an annular groove 21 matched with the safety valve 6, the annular groove 21 surrounds the circumferential surface of the piercing load-bearing rod, the other end of the piercing load-bearing rod is fixed with a baffle plate 22 of which the orthographic projection completely covers the piercing load-bearing rod, the baffle plate 22 is a similar square plate-shaped structure, and the difference between the baffle plate 22 and the square plate-shaped structure is that the edge of the baffle plate is smooth and excessive, and the side of the baffle plate 22;
the safety valve is shown in fig. 4 and 5, and is integrally flaky and comprises a plate I61, a plate II and a thickening sheet 64;
the plate II comprises a circular cutting plate 62 and a square plate 63, the straight edge of the circular cutting plate 62 is attached to the square plate 63, and the lengths of the attached edges of the circular cutting plate 62 and the square plate 63 are the same;
the plate I61 is a square plate, a through hole VII which is convenient for a unhooking rope to pass through is formed in the plate I61, the plate I61 is connected with the circular cutting plate 62 and is positioned on the side, far away from the square plate 63, of the circular cutting plate 62, and the plate I61 and the plate II are not in the same plane;
the plate II is provided with a through hole I and a through hole II 68 which are connected with each other, the connecting part of the through hole I and the through hole II 68 can enable the through load-bearing rod to freely enter the through hole I and the through hole II 68, the outer edge of the through hole I is matched with the annular groove 21, the orthographic projection area of the through hole II 68 is completely covered and is larger than that of the through load-bearing rod, and the safety valve is provided with a thickening sheet 64 around the outer edge of the through hole II 68 and is positioned on the side of the plate II far away from the plate I61;
the through hole I comprises a circular cutting hole V (semicircular hole) 66 and a long strip-shaped through hole VI 67, the straight edge of the circular cutting hole V66 is connected with the long strip-shaped through hole VI 67, the connecting edges of the circular cutting hole V66 and the long strip-shaped through hole VI 67 are the same in length, the circular cutting hole V66, the long strip-shaped through hole VI 67 and the through hole II 68 are sequentially arranged along the direction far away from the plate I61, and the thickness of the through hole I is smaller than or equal to that of the annular groove 21;
through-hole II 68 is for cutting the round hole greatly, and through-hole II 68 and circle cutting hole V66 are located the both sides of rectangular shape through-hole VI 67 respectively, and the straight flange of through-hole II 68 is connected with rectangular shape through-hole VI 67 and circle cutting hole V66 is the same with the length of rectangular shape through-hole VI 67 both connection sides, and wherein the maximum width of through-hole II 68 is greater than through-hole I's maximum width, and the maximum thickness that the relief valve centers on through-hole II position is greater than the thickness of ring channel 21.
The operation steps of hoisting the prefabricated part by using a set of prefabricated part self-unhooking hoisting tool are shown in fig. 7, and specifically comprise the following steps:
before hoisting a prefabricated part, penetrating a through-center bearing rod 2 into a through hole reserved on the prefabricated part 5 (the through hole is positioned right above the gravity center of the prefabricated part 5), installing a safety valve 6 on one side of the through-center bearing rod 2, fixing the position of a through hole I of the safety valve 6 with an annular groove 21, fixing a balance rod 1 and the through-center bearing rod 2 by using a hoisting steel chain 41, limiting the balance rod 1 by using a positioning steel cable 42 through a fixing ring 15, connecting one end of the hoisting steel chain 41 with a crane hook 3, connecting the other end with the through-center bearing rod 2, adjusting the crane to enable the balance rod 1 to be arranged right above the through-center bearing rod 2 and keeping the balance rod 1 and the through-center bearing rod 2 on the same vertical plane;
after hoisting of the prefabricated part is completed, the safety valve 6 is rotated (namely the safety valve 6 rotates relative to the penetrating load-bearing rod 2) by pulling the unhooking rope, at the moment, the penetrating load-bearing rod 2 enters the through hole II from the through hole I, namely the safety valve 6 is fixed with the annular groove 21 and is removed, so that self-unhooking is completed, the crane is controlled to enable the penetrating load-bearing rod 2 and the prefabricated part 5 to move relatively, and finally the penetrating load-bearing rod 2 is separated from the prefabricated part 5.
The schematic diagram of hoisting the prefabricated parts by using two sets of the prefabricated part self-unhooking hoisting tools is shown in fig. 6, the operation of the method is basically the same as that of hoisting the prefabricated parts by using one set of the prefabricated part self-unhooking hoisting tools, and the difference is that the penetrating load-bearing rod penetrating holes of the two sets of the hoisting tools are not positioned right above the gravity center of the prefabricated parts, but are symmetrically arranged on two sides right above the gravity center of the prefabricated parts.
Through verification, the self-unhooking lifting tool for the prefabricated part has the advantages of simple structure, high rigidity of the whole structure and good reliability; after the hoisting is finished, a user can finish the self-unhooking operation by operating the unhooking rope on the ground, so that the working efficiency is greatly improved, and the safety valve does not need to be climbed by a person to release the safety valve, so that the safety device has no potential safety hazard and has wide application prospect.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A self-unhooking hoisting tool for a prefabricated part is characterized by comprising a balancing rod and a through bearing rod;
rope fixing ends for limiting the hoisting steel chain are arranged on the two sides of the balancing rod;
one end of the piercing bearing rod is provided with an annular groove matched with the safety valve, and the other end of the piercing bearing rod is fixed with a baffle plate of which the orthographic projection completely covers the piercing bearing rod;
the safety valve is integrally in a sheet shape, a through hole I and a through hole II which are connected with each other are formed in the safety valve, the through hole I and the through hole II can enable the through bearing rod to freely enter the through hole I and the through hole II through the connecting part of the through hole I and the through hole II, the outer edge of the through hole I is matched with the annular groove, the orthographic projection area of the through hole II is completely covered and is larger than that of the through bearing rod, and the safety valve is provided with a thickening sheet around the outer edge of the through hole II;
before the prefabricated part is hoisted, the piercing bearing rod penetrates through a through hole reserved in the prefabricated part, the safety valve is used for fixing the piercing bearing rod, the position of the through hole I of the safety valve is fixed with the annular groove, the safety valve is rotated after the prefabricated part is hoisted, the piercing bearing rod enters the through hole II through the through hole I, and the safety valve is fixed with the annular groove and is released to complete self-unhooking operation.
2. The self-unhooking lifting tool for the prefabricated part according to claim 1, wherein in the lifting process, the balance rod is always positioned right above the through bearing rod, and the balance rod and the through bearing rod are on the same vertical plane.
3. The self-unhooking lifting tool for the prefabricated part according to claim 1, wherein the through load-bearing rod is of a round rod structure;
the annular groove surrounds the circumferential surface of the through bearing rod;
the thickness of the through hole I is smaller than or equal to that of the annular groove;
the maximum thickness of the safety valve around the position of the through hole II is larger than that of the annular groove.
4. The self-unhooking lifting tool for the prefabricated part according to claim 1, wherein the baffle is of a square-like plate structure, and is different from the square plate structure in that the edge of the baffle is smooth and excessive;
the side of the baffle, which is far away from the piercing bearing rod, is connected with a C-shaped handle I.
5. The prefabricated part self-unhooking lifting tool according to claim 1, wherein the balancing rod comprises a middle part and rope fixing ends positioned at two sides of the middle part;
the middle piece is of a hollow cylindrical structure, and the inner wall of the middle piece is provided with a thread structure I;
the rope fixing end comprises a C-shaped plate-shaped limiting piece and a connecting part connected with the middle piece;
the connecting part is of a cylindrical structure, the outer wall of the connecting part is provided with a thread structure II matched with the thread structure I, one end of the connecting part is connected with the middle plate of the C-shaped plate-shaped limiting part, and the connecting part is positioned on the back of the opening of the C-shaped plate-shaped limiting part;
and the two plates opposite to the C-shaped plate-shaped limiting part are provided with a through hole III and a through hole IV, and a hoisting steel chain between the two plates of the C-shaped plate-shaped limiting part can be limited by using a fixing hook to penetrate through the through hole III and the through hole IV.
6. The self-unhooking lifting tool for the prefabricated part according to claim 5, wherein C-shaped handles II which are symmetrically arranged are connected to the middle part of the outer wall of the middle part;
the outer wall of the middle part is uniformly provided with a plurality of fixing rings for fixing and positioning the steel cable, and all the fixing rings are positioned on a straight line and are symmetrically arranged on the left side and the right side of the middle part.
7. The tool for lifting the prefabricated parts by self-unhooking is characterized in that the safety valve comprises a plate I, a plate II and a thickening sheet;
the plate II comprises a circular cutting plate and a square plate, the straight edge of the circular cutting plate is attached to the square plate, and the lengths of the attached edges of the circular cutting plate and the square plate are the same;
the plate I is connected with the circle-cutting plate and is positioned on the side of the circle-cutting plate far away from the square plate, and the plate I and the plate II are not on the same plane.
8. The self-unhooking lifting tool for the prefabricated part according to claim 7, wherein the through hole I comprises a circular cutting hole V and a long strip-shaped through hole VI, the straight edge of the circular cutting hole V is connected with the long strip-shaped through hole VI, and the connecting edges of the circular cutting hole V and the long strip-shaped through hole VI are the same in length;
the through hole II is a circular cutting hole, the through hole II and the circular cutting hole V are respectively positioned at two sides of the long strip-shaped through hole VI, the straight edge of the through hole II is connected with the long strip-shaped through hole VI, and the connecting edges of the circular cutting hole V and the long strip-shaped through hole VI are the same in length;
the maximum width of the through hole II is larger than that of the through hole I.
9. The tool for lifting the prefabricated part by self-unhooking according to claim 8, wherein the plate I is a square plate, and is provided with a through hole VII facilitating passing of a unhooking rope;
the cutting round holes V, the strip-shaped through holes VI and the through holes II are sequentially arranged along the direction far away from the plate I;
the cutting circular hole V is a semicircular hole;
the through hole II is a large cutting round hole.
10. The tool for lifting the prefabricated parts by self-unhooking according to claim 9, wherein the thickened piece is positioned on the side, away from the plate I, of the plate II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825965.5U CN212668946U (en) | 2020-05-18 | 2020-05-18 | Self-unhooking hoisting tool for prefabricated part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825965.5U CN212668946U (en) | 2020-05-18 | 2020-05-18 | Self-unhooking hoisting tool for prefabricated part |
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| Publication Number | Publication Date |
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| CN212668946U true CN212668946U (en) | 2021-03-09 |
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| CN202020825965.5U Active CN212668946U (en) | 2020-05-18 | 2020-05-18 | Self-unhooking hoisting tool for prefabricated part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470408A (en) * | 2020-05-18 | 2020-07-31 | 佩克建筑配件(张家港)有限公司 | Self-unhooking hoisting tool and hoisting method for prefabricated part |
-
2020
- 2020-05-18 CN CN202020825965.5U patent/CN212668946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470408A (en) * | 2020-05-18 | 2020-07-31 | 佩克建筑配件(张家港)有限公司 | Self-unhooking hoisting tool and hoisting method for prefabricated part |
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Address after: 215699 No.9 Fuxin Road, North District, Zhangjiagang Economic and Technological Development Zone (yangshe town), Suzhou City, Jiangsu Province Patentee after: PEC building materials (China) Co.,Ltd. Address before: 215699 No.9 Fuxin Road, North District, Zhangjiagang Economic and Technological Development Zone (yangshe town), Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: Peck construction accessories (Zhangjiagang) Co.,Ltd. |