CN112027886B - Buffer connecting device for building hoisting and hoisting method - Google Patents
Buffer connecting device for building hoisting and hoisting method Download PDFInfo
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- CN112027886B CN112027886B CN202011090911.XA CN202011090911A CN112027886B CN 112027886 B CN112027886 B CN 112027886B CN 202011090911 A CN202011090911 A CN 202011090911A CN 112027886 B CN112027886 B CN 112027886B
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a buffering connecting device for building hoisting, which comprises a connecting cylinder and a connector, wherein through openings are formed in the center parts of the upper end surface and the lower end surface of the connecting cylinder, the buffering connecting device also comprises a rope fixer and a sheathing mechanism arranged on the rope fixer, and a first buffering connecting piece used for connecting the connector and a second buffering connecting piece used for connecting the rope fixer are arranged in the connecting cylinder. The first buffer connecting piece and the second buffer connecting piece in the connecting cylinder of the buffer connecting device for building hoisting can effectively avoid the problem that the steel cable is broken due to overlarge instantaneous tension when the steel cable is hoisted, simultaneously improve the elasticity of the steel cable and reduce the inertia of the steel cable, and after the hoisting steel cable of the hoisting machine is fixed on the steel cable fixing device, a section of the steel cable is reserved between the steel cable fixing device and the sheathing and protecting mechanism, so that the reserved section of the steel cable can slide upwards first during hoisting, the problem that the hoisting initial speed is too high cannot occur when the object is hoisted, and the risk of breaking the steel cable is further reduced.
Description
Technical Field
The invention relates to the technical field of building construction appliances, in particular to a building hoisting facility, and particularly relates to a buffer connecting device for building hoisting and a hoisting method.
Background
The prefabricated building is divided into a prefabricated steel structure building and a prefabricated reinforced concrete building from building materials; the prefabricated building is divided into a prefabricated industrial building and a prefabricated civil building from the using function, and the prefabricated civil building is divided into a prefabricated public building and a prefabricated residential building.
When the building is assembled, a prefabricated component is usually lifted to a building frame through a crane, the building material is generally large in size and mass, in the process of lifting a heavy object, the crane is easy to break a steel wire rope due to sudden and instantaneous overlarge tension when the connected steel wire rope is lifted at the beginning in the lifting process, meanwhile, the steel wire rope does not have elasticity, the internal stress of the steel wire rope can be increased by the building component due to inertia, so that the steel wire rope on the steel wire rope is extremely easy to crack and break, the service life of the steel wire rope is shortened, meanwhile, potential safety hazards are brought, in the lifting process of the crane, some connected hook hangers are not fixed firmly sometimes, the unhooking phenomenon is easy to occur in the lifting process, and the problem that the steel wire rope connected with the hook hangers flies in the air easily occurs due to the initial instable speed of the crane.
Therefore, it is necessary to develop and provide a buffering connection device for building hoisting to solve the technical problems that the internal stress of the steel cable may be increased due to inertia of a building component, so that the steel wire on the steel cable is extremely easy to crack and break, the service life of the steel cable is shortened, and potential safety hazards are brought at the same time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a buffer connecting device which can avoid the snap of a steel cable caused by overlarge instantaneous tension. The invention provides a buffering connecting device for building hoisting, which comprises a connecting cylinder and a connector, wherein through openings are formed in the center parts of the upper end surface and the lower end surface of the connecting cylinder, the buffering connecting device also comprises a rope fixer and a sheathing mechanism arranged on the rope fixer, and a first buffering connecting piece used for connecting the connector and a second buffering connecting piece used for connecting the rope fixer are arranged in the connecting cylinder. The first buffer connecting piece and the second buffer connecting piece in the connecting cylinder of the buffer connecting device for building hoisting can effectively avoid the problem that the steel cable is broken due to overlarge instantaneous tension when the steel cable is hoisted, simultaneously improve the elasticity of the steel cable and reduce the inertia of the steel cable, and after the hoisting steel cable of the hoisting machine is fixed on the steel cable fixing device, a section of the steel cable is reserved between the steel cable fixing device and the sheathing and protecting mechanism, so that the reserved section of the steel cable can slide upwards first during hoisting, the problem that the hoisting initial speed is too high cannot occur when the object is hoisted, and the risk of breaking the steel cable is further reduced.
The purpose of the invention is realized by the following technical scheme:
a buffering connecting device for building hoisting comprises a connecting cylinder and a connector, wherein through openings are formed in the center of the upper end face and the lower end face of the connecting cylinder;
first buffering connecting piece includes spacing slide bar, first slide disc, spliced pole and first spring, and spacing slide bar is equipped with many and fixed mounting on the diapire of connecting cylinder inner chamber, and just spacing slide bar is the annular and lays in connecting cylinder bottom open-ended periphery, first slide disc cover establish on spacing slide bar and with spacing slide bar sliding connection, install at the lower fixed surface of first slide disc and can extend connecting cylinder bottom open-ended spliced pole, first spring housing establishes on the spliced pole, and the upper end of first spring and the lower surface butt of first slide disc, the lower extreme of first spring and the inner chamber diapire butt of connecting cylinder.
Further, the coupler comprises a connecting disc, fixing rods and a hanging rack, the connecting disc is fixedly installed at the lower end of the connecting column, the fixing rods distributed in an annular mode are fixedly installed on the outer disc wall of the connecting disc, and the hanging rack connected in a rotating mode is installed on the end head of each fixing rod.
Furthermore, a limiting end head is arranged at the top end of the limiting slide rod and can limit the first slide plate to slide out of the limiting slide rod;
the connecting disc and the connecting column are fixedly connected in a welding mode or a screw connection mode, and a plurality of reinforcing ribs distributed in an annular mode are fixedly welded at the fixedly connected position of the connecting column and the connecting disc;
the bearing plate is of a frame type hanging basket structure, a plurality of steel ropes are connected to the periphery of the bearing plate and correspond to the hangers mounted on the end of the fixed rod, and the plurality of steel ropes are correspondingly connected to the corresponding hangers arranged on the connecting disc through hooks or in a fixed twisting mode;
each steel rope is sleeved with a steel pipe.
Above-mentioned buffering connecting device for building hoist and mount, second buffering connecting piece includes second slip dish, stretching post and second spring, the second slip dish set up in the connecting cylinder and with the inner tube wall sliding connection of connecting cylinder, fixed surface installs at the upper surface of second slip dish and can extend connecting cylinder open-top's stretching post, the second spring housing is established on stretching the post, the lower extreme of second spring and the upper surface butt of second slip dish, the upper end of second spring and the roof butt of connecting cylinder inner chamber.
Above-mentioned buffering connecting device for building hoist and mount, gu the rope ware includes fixed plate, sleeve pipe, fixed auricle, U type fixing base and reinforcing plate, fixed plate fixed mounting is at the top of stretching the post, and fixed mounting has sleeve pipe and fixed auricle on the fixed plate, fixed auricle installs at intraduct, and fixed mounting has a plurality of annular distribution's U type fixing base on sheathed tube outer pipe wall, has all seted up the screw thread through-hole on the sleeve pipe wall that every U type fixing base corresponds, and the mount is equipped with the reinforcing plate between adjacent U type fixing base.
Above-mentioned buffering connecting device for building hoist and mount, the cover protects the mechanism and includes axis of rotation, connection piece, first half arc pipe and second half arc pipe, the lower extreme fixed connection of axis of rotation is in sheathed tube top nozzle wall department, installs in the axis of rotation and rotates first half arc pipe and second half arc pipe of being connected with the axis of rotation, first half arc pipe and second half arc pipe constitute the spacing framework of the fixed rope of tubulose through closing soon, and equal fixed mounting has many annular distribution's damping rubber stupefied on the inner arc wall of first half arc pipe and second half arc pipe.
Furthermore, a plurality of groups of lock core pieces are arranged on the first semi-arc tube, each lock core piece comprises an arc-shaped mounting block, a lock catch arc-shaped plate and a sliding push handle, the arc-shaped mounting block is fixedly arranged on the outer tube wall of the first semi-arc tube, a sliding cavity is formed in the arc-shaped mounting block, and an arc-shaped sliding groove is formed in the upper surface of the arc-shaped mounting block; the locking arc-shaped plate is inserted in the sliding cavity and is in sliding connection with the sliding cavity; and a sliding push handle is fixedly arranged on the upper surface of the locking buckle arc-shaped plate, extends out of an arc-shaped sliding groove formed in the upper surface of the arc-shaped mounting block and is in sliding connection with the arc-shaped sliding groove.
The lock cylinder is characterized in that a plurality of groups of lock catch pieces corresponding to the lock cylinder pieces are arranged on the second half-arc tube, each lock catch piece comprises a limiting arc-shaped shell and a thread fixing rod, the limiting arc-shaped shells are fixedly arranged on the outer tube wall of the second half-arc tube, sliding arc-shaped holes matched with the lock catch arc-shaped plates are formed in the limiting arc-shaped shells, and the thread fixing rods in threaded connection are arranged on the outer wall of the limiting arc-shaped shells.
Furthermore, a plurality of sliding through grooves are respectively formed in the outer walls, corresponding to the first buffering connecting piece and the second buffering connecting piece, of the connecting cylinder, and the sliding through grooves are formed in the vertical direction; limiting parts are respectively arranged in the sliding through grooves corresponding to the first buffer connecting part and the second buffer connecting part, each limiting part comprises a connecting plate and a lantern ring, the lantern ring is sleeved on the periphery of the connecting cylinder, a plurality of annularly distributed connecting plates are fixedly arranged on the inner ring wall of the lantern ring, and the connecting plates can slide up and down in the sliding through grooves;
the connecting plate in the limiting piece positioned on the lower side of the connecting cylinder penetrates through the sliding through groove on the lower side of the connecting cylinder and is fixedly connected with the outer disc wall of the first sliding disc; the connecting plate in the limiting part on the upper side of the connecting cylinder penetrates through the sliding through groove on the upper side of the connecting cylinder and is fixedly connected with the outer disc wall of the second sliding disc.
As a preferred scheme, the fixed plate and the stretching column are fixedly connected by welding or screws, and a plurality of reinforcing ribs distributed in an annular shape are fixedly welded at the fixed connection part of the stretching column and the fixed plate;
the fixing lug is provided with a wiring through hole, when a hoisting steel cable of the crane is locked by the cable fixing device, the steel cable is fixedly twisted in the fixing lug, the steel cable passes through the wiring through hole on the fixing lug and then is twisted, screwed and fixedly connected, a cold pressing joint is sleeved at the twisting and fixedly connected position, a wire pressing device is used for applying hoop pressing force to the cold pressing joint, and a bolt passes through a threaded through hole arranged on the pipe wall of the sleeve pipe to perform extrusion type fixing on the steel cable in the sleeve pipe or the cold pressing joint sleeved at the steel cable twisting and fixedly connected position.
More preferably, the peripheries of the first spring and the second spring are respectively sleeved with a reinforcing spring;
the damping rubber edges are made of wear-resistant rubber materials or plastic nylon materials, and the damping rubber edges are mounted on the inner arc walls of the first semi-arc pipe and the second semi-arc pipe in a sticking or embedded mode and can be detachably mounted;
after a hoisting steel cable of a crane is fixed on a cable fixing device, a section of steel cable is reserved between the cable fixing device and a sheathing mechanism, the length of the reserved steel cable in a space between the cable fixing device and the sheathing mechanism is 20-40 cm, and the reserved steel cable is in a free bending shape or a free folding shape in the space between the cable fixing device and the sheathing mechanism.
The invention has the beneficial effects that:
1. the first buffer connecting piece and the second buffer connecting piece in the connecting cylinder can effectively avoid the problem of snap caused by overlarge instantaneous tension of the steel cable, improve the elasticity of the steel cable and reduce the inertia of the steel cable in the hoisting process;
2. according to the invention, after the lifting steel cable of the lifting machine is fixed on the cable fixer, a section of steel cable is reserved between the cable fixer and the sheathing mechanism, so that the reserved section of steel cable can firstly slide upwards during lifting, and the phenomenon that the lifting initial speed is too high during lifting of an object can not occur, therefore, the slipping speed of some hook members which are not fixed and firm is low, and a worker can timely find and subsequently hook for the second time.
Drawings
Fig. 1 is a schematic structural view of a buffer connecting device for building hoisting according to a preferred embodiment of the present invention;
FIG. 2 is a schematic, partly in section, construction of the connector barrel of FIG. 1;
FIG. 3 is a schematic view of the first damping link shown in FIG. 2;
FIG. 4 is a schematic view of the second damping connector shown in FIG. 2
FIG. 5 is a schematic structural view of the coupling of FIG. 1;
FIG. 6 is a schematic structural view of the rope fixer shown in FIG. 1;
FIG. 7 is a schematic structural view of the sheathing mechanism shown in FIG. 1;
FIG. 8 is a schematic view of the lock core member and catch member of the sheathing mechanism of FIG. 7;
fig. 9 is a schematic structural view of the connection between the buffering connection device for building hoisting and the bearing plate provided by the invention.
The reference numbers in the figures: 1. the connecting device comprises a connecting cylinder, 2, a first buffer connecting piece, 21, a limiting slide rod, 22, a first sliding disc, 23, a connecting column, 24, a first spring, 3, a second buffer connecting piece, 31, a second sliding disc, 32, a stretching column, 33, a second spring, 4, a reinforcing spring, 5, a sliding through groove, 6, a limiting piece, 61, a connecting plate, 62, a lantern ring, 7, a coupler, 71, a connecting disc, 72, a fixing rod, 73, a hanging frame, 8, a rope fixing device, 81, a fixing plate, 82, a sleeve, 83, a fixing lug, 84, a U-shaped fixing seat, 85, a reinforcing plate, 9, a sheathing mechanism, 91, a rotating shaft, 92, a connecting piece, 93, a first half arc pipe, 94, a second half arc pipe, 9a, a lock cylinder piece, 91a, an arc mounting block, 92a, an arc plate, 93a sliding pushing hand, 9b, a locking buckle piece, 91b, a limiting arc shell, 92b, a thread fixing rod, 9c and a damping rubber rib.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
The invention provides a buffer connecting device for building hoisting for connecting a crane and a connecting steel cable of a hoisting object, please refer to fig. 1 to 9 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of the buffer connecting device for building hoisting provided by the invention; FIG. 2 is a schematic, partly in section, construction of the connector barrel of FIG. 1; FIG. 3 is a schematic view of the first damping link shown in FIG. 2; FIG. 4 is a schematic view of the second damping link of FIG. 2. FIG. 5 is a schematic view of the coupling of FIG. 1; FIG. 6 is a schematic structural view of the rope fixer shown in FIG. 1; FIG. 7 is a schematic structural view of the sheathing mechanism shown in FIG. 1; FIG. 8 is a schematic view of the arrangement of the lock element and catch member of the jacketing mechanism of FIG. 7; fig. 9 is a schematic structural view of the connection between the buffer connection device for building hoisting and the bearing frame provided by the invention.
As shown in fig. 1 to 9, the buffering and connecting device for building hoisting provided by the invention comprises: the rope fixing device comprises a connecting cylinder 1, a connector 7, a rope fixing device 8 and a sleeving and protecting mechanism 9, wherein a first buffering connecting piece 2 used for being connected with the connector 7 and a second buffering connecting piece 3 used for being connected with the rope fixing device 8 are installed in the connecting cylinder 1, the sleeving and protecting mechanism 9 is installed on the rope fixing device 8, and through openings are formed in the center parts of the upper end face and the lower end face of the connecting cylinder 1.
In a specific implementation process, as shown in fig. 1 to 5, the first buffer connecting piece 2 includes a limiting slide bar 21, a first sliding disc 22, a connecting column 23 and a first spring 24, a plurality of limiting slide bars 21 with the same specification are fixedly installed on the inner bottom wall of the connecting cylinder 1, the plurality of limiting slide bars 21 are annularly distributed on the periphery of the bottom opening of the connecting cylinder 1, the first sliding disc 22 is sleeved on the limiting slide bar 21 and is slidably connected with the limiting slide bar 21, the connecting column 23 capable of extending out of the bottom opening of the connecting cylinder 1 is fixedly installed on the lower surface of the first sliding disc 22, the first spring 24 is sleeved on the connecting column 23, one end of the first spring 24 is fixedly connected with the lower surface of the first sliding disc 22, the other end of the first spring 24 is fixedly connected with the inner bottom wall of the connecting cylinder 1, and as shown in fig. 3, a limiting end is arranged at the top end of the limiting slide bar 21, and the limiting end can limit the first sliding disc 22 from sliding out of the limiting slide bar 21.
The coupler 7 comprises a connecting disc 71, fixing rods 72 and a hanging rack 73, wherein the connecting disc 71 is fixedly connected to the bottom of the connecting column 23, the end face of the connecting disc 71 and the end face of the connecting column 23 can be in welded connection or in screw connection, when welded connection is adopted, in order to strengthen the connection strength and connection reliability of the connecting disc 71 and the connecting column 23, a plurality of reinforcing ribs distributed in an annular shape are fixedly welded at the welding position of the connecting column 23 and the connecting disc 71, a plurality of fixing rods 72 distributed in an annular shape are fixedly installed on the periphery of the connecting disc 71, and the hanging rack 73 connected in a rotating mode is installed on the end head of each fixing rod 72.
It should be noted that: the hoisting steel cable of the crane is fixed on the cable fixing device 8, four steel cables on the bearing plate are respectively twisted on four hanging frames 73 through hooks or fixedly, the bearing plate adopts a frame type hanging basket, as shown in fig. 9, the problem of slippage of an object placed inside is avoided, meanwhile, in order to reduce the swing amplitude of the hanging basket during hoisting, a section of steel pipe is sleeved on each of the four steel cables, when the building material is hoisted by the crane, the first sliding disc 22 slides downwards along the limiting sliding rod 21 and compresses the first spring 24, and the problem that the steel cable between the bearing plate and the hanging frames 73 is stretched and broken due to overlarge instantaneous sudden tension force during hoisting is avoided.
Referring to fig. 1 to 6, the second buffer connecting member 3 includes a second sliding disk 31, a stretching column 32 and a second spring 33, the second sliding disk 31 is disposed in the connecting cylinder 1 and slidably connected to the inner cylinder wall of the connecting cylinder 1, the upper surface of the second sliding disk 31 is fixedly provided with the stretching column 32 capable of extending out of the top opening of the connecting cylinder 1, the second spring 33 is sleeved on the stretching column 32, one end of the second spring 33 is fixedly connected to the upper surface of the second sliding disk 31, and the other end of the second spring 33 is fixedly connected to the inner top wall of the connecting cylinder 1.
It should be noted that: the fixing lug 83 is provided with a wiring through hole, when the hoisting steel cable of the crane is locked by the cable fixing device 8, the steel cable is fixedly stranded in the fixing lug 83, the steel cable passes through the wiring through hole arranged on the fixing lug 83 to be stranded, screwed and fixedly connected, a cold pressing joint is sleeved at the stranded and fixedly connected position, and then a wire pressing device is used for applying a hoop pressing force to the cold pressing joint. And the bolt penetrates through a threaded through hole formed in the pipe wall of the sleeve 82 to perform extrusion type fixing on the steel cable in the sleeve 82, so that the steel cable is always in a pressing state at the twisting position of the lug 83 by the bolt, the problem that the joint of the steel cable is loose is avoided, and a rubber sleeve is attached to the pressing end part of the bolt to prevent the surface of the steel cable from being pressed by the bolt to generate indentation. The bolt passing through the pipe wall of the sleeve 82 can also be directly screwed and pressed against the cold pressing joint sleeved at the steel cable strand fixed connection position, and the bolt is screwed tightly and pressed against the cold pressing joint to ensure that the steel cable strand fixed connection position cannot be loosened after tensile force is applied.
Because reinforcing plates 85 are installed on the periphery of the U-shaped fixed seat 84, the sleeve 82 does not need additional supporting equipment for auxiliary installation, a supporting rod connected with the fixed plate 81 is installed at the bottom of the fixed seat 84, so that the sleeve 82 is supported, the stress of the fixed connection between the sleeve 82 and the fixed plate 81 is smaller, the deformation of the stress of the connection structure is avoided, when the crane lifts, the rope fixing device 8 pulls and stretches the column 32 upwards, the column 32 drives the second sliding disc 31 to slide upwards and compress the second spring 33, the buffer effect is achieved when the crane shakes, the elasticity of the steel cable is improved, the inertia of the steel cable can be reduced, and the risk that the steel cable is broken due to sudden instant stress is remarkably reduced.
In this embodiment, all the cover is equipped with one and strengthens spring 4 outside first spring 24 and second spring 33, thereby make the cushioning effect in connecting cylinder 1 better, avoid the spring on two buffering connecting pieces to lead to the impaired problem of spring because tensile stress is too big, all set up many annular distribution's the through groove that slides 5 on the outer wall that connecting cylinder 1 corresponds first buffering connecting piece 2 and second buffering connecting piece 3, and all install locating part 6 on two sets of through groove that slides 5, locating part 6 includes connecting plate 61 and lantern ring 62, lantern ring 62 cover is established in the periphery of connecting cylinder 1, and fixed mounting has a plurality of annular distribution's connecting plate 61 on the interior rampart of lantern ring 62, connecting plate 61 can slide from top to bottom in through groove 5.
The connecting plate 61 in the limiting piece 6 positioned at the lower side of the connecting cylinder 1 passes through the sliding through groove 5 at the lower side of the connecting cylinder 1 and is fixedly connected with the outer disk wall of the first sliding disk 22; connecting plate 61 in locating part 6 that is located the connecting cylinder 1 upside passes the slip through groove 5 of connecting cylinder 1 upside and with the outer wall fixed connection of second sliding disk 31, two buffering connecting pieces that set up on the connecting cylinder 1 are when lifting by crane the thing, connecting plate 61 on the lantern ring 62 slides along slip through groove 5, not only avoided first sliding disk 22 and second sliding disk 31 to appear rotatory problem that leads to the spring to appear rotatory deformation, the stability when still improving spliced pole 23 and tensile post 32 shock attenuation slip simultaneously, the problem of the swing by a wide margin of probably appearing when lifting by crane of piece has been avoided.
Referring to fig. 1, 7 and 8, the sheathing mechanism 9 includes a rotation shaft 91, a connecting piece 92, a first half arc pipe 93 and a second half arc pipe 94, the bottom of the rotation shaft 91 is fixedly connected to one side of the upper pipe opening wall of the casing 82, the rotation shaft 91 is provided with the first half arc pipe 93 and the second half arc pipe 94 which are rotatably connected with the rotation shaft 91, the first half arc pipe 93 and the second half arc pipe 94 form a limiting structure of a tubular fixing rope after being screwed, the inner arc walls of the first half arc pipe 93 and the second half arc pipe 94 are fixedly provided with a plurality of damping rubber ribs 9c which are distributed annularly, the damping rubber ribs 9c are made of wear-resistant rubber materials or plastic nylon materials, and the damping rubber ribs 9c are mounted on the inner arc walls of the first half arc pipe 93 and the second half arc pipe 94 in a sticking or embedding manner and can be detachable.
The lock core piece 9a is characterized in that a plurality of groups of lock core pieces 9a with the same specification are mounted on the first half-arc tube 93, each lock core piece 9a comprises an arc-shaped mounting block 91a, a lock catch arc-shaped plate 92a and a sliding push handle 93a, the arc-shaped mounting blocks 91a are fixedly mounted on the outer tube wall of the first half-arc tube 93, sliding cavities are formed in the arc-shaped mounting blocks 91a, and arc-shaped sliding grooves are formed in the upper surface of the arc-shaped mounting blocks 91 a. The locking buckle arc-shaped plate 92a is inserted into the sliding cavity and is connected with the sliding cavity in a sliding manner, a sliding pushing handle 93a is fixedly installed on the upper surface of the locking buckle arc-shaped plate 92a, and the sliding pushing handle 93a extends out of an arc-shaped sliding groove formed in the upper surface of the arc-shaped installation block 91a and is connected with the arc-shaped sliding groove in a sliding manner.
Install the identical hasp piece 9b of multiunit specification on the half arc pipe 94 of second, and hasp piece 9b includes spacing arc casing 91b and thread fixing pole 92b, and spacing arc casing 91b fixed mounting is on the outer pipe wall of half arc pipe 94 of second, and sets up the slip arc hole that matches each other with hasp arc 92a on the spacing arc casing 91b, and threaded connection's thread fixing pole 92b is installed to the outer wall of spacing arc casing 91 b.
It should be noted that: after a hoisting steel cable of the crane is fixed on the cable fixing device 8, a section of steel cable is reserved between the cable fixing device 8 and the sheathing mechanism 9, the first half-arc tube 93 and the second half-arc tube 94 are rotated to wrap the connection part of the first half-arc tube 93 and the second half-arc tube 94 with the cable fixing device 8, the sliding push handle 93a is pushed to enable the locking arc-shaped plate 92a to slide into the limiting arc-shaped shell 91b and be fixed by the threaded fixing rod 92b, and the damping rubber ridges 9c on the first half-arc tube 93 and the second half-arc tube 94 can improve the friction damping of the steel cable and can perform sliding protection on the steel cable, so that when the crane is lifted, the reserved section of steel cable can slide upwards first, the initial hoisting speed of the crane is not too high when the crane is lifted, the stability of a bearing plate when the crane is lifted is improved, the slippage speed of certain non-fixed and firm hangers is low, so that workers can timely find and perform secondary hooking and follow-up, and the sheathing mechanism 9 arranged on the cable fixing device 8 also improves the protection on the position of the cable break, thereby avoiding the phenomenon that the steel cable is easily rusted and the connection problem of the steel cable occurs.
During building construction, the method for hoisting the building material by adopting the buffer connecting device for hoisting the building provided by the invention comprises the following steps:
fixing a hoisting steel cable of a crane on a cable fixing device 8, fixedly twisting the steel cable in a fixed lug 83 when the hoisting steel cable of the crane is locked by the cable fixing device 8, performing twisting, screwing and fixedly connecting after the steel cable passes through a round hole formed in the fixed lug 83, sleeving a cold pressing joint at the twisting and fixedly connecting position, and applying a hoop pressing force to the cold pressing joint by using a wire pressing device. And a bolt penetrates through a threaded through hole formed in the pipe wall of the sleeve 82 to perform extrusion type fixing on the steel cable in the sleeve 82 or the cold-pressing joint sleeved at the steel cable twisting and fixing part, and the bolt presses to enable the steel cable to be in a compressed state at the twisting part of the lug plates 83 all the time, so that the problem that the steel cable connection part is loose is avoided.
When the crane lifts, the rope fixer 8 pulls the stretching post 32, so that the stretching post 32 drives the second sliding disc 31 to slide upwards and compress the second spring 33, thereby playing a role of buffering when the crane shakes, improving the elasticity of the steel cable and slowing down the inertia of the steel cable, fixing the lifting steel cable of the crane on the rope fixer 8, after the lifting steel cable of the crane is fixed on the rope fixer 8, reserving a section of steel cable between the rope fixer 8 and the sheath protection mechanism 9, reserving the length of the steel cable in a space between the rope fixer 8 and the sheath protection mechanism 9 according to the specific situation of a lifting weight, normally reserving the length of the steel cable to be 20-40 cm, and reserving the steel cable to be freely bent or folded in the space between the rope fixer 8 and the sheath protection mechanism 9.
The first half-arc tube 93 and the second half-arc tube 94 are rotated to wrap a steel cable which is connected with the rope fixer 8 and penetrates through the sheathing mechanism 9, the sliding push handle 93a is pushed to enable the latch arc-shaped plate 92a to slide into the limiting arc-shaped shell 91b, and the screw thread fixing rod 92b is utilized to compress and fix the latch arc-shaped plate 92a penetrating into the limiting arc-shaped shell 91b, the damping rubber ridges 9c arranged on the inner ring surfaces of the first half-arc tube 93 and the second half-arc tube 94 can improve the friction damping of the steel cable and carry out sliding protection on the steel cable, so that a reserved section of the steel cable slides upwards first when lifting the building is carried out, the initial lifting speed is not too high when the building is lifted, the slipping speed of hook members which are not firmly fixed is low, a worker can find out and carry out secondary hook in time and can avoid the steel cable from suddenly receiving huge instantaneous tensile force, four steel cables on connecting columns are respectively hung and fixed on or fixed on four steel cable bearing plates 73, and when the building materials are lifted by a lifting machine, the building materials are pulled down by the connecting column 23, so that the sliding plate 22 drives the sliding plate to slide rod 21 to compress the sliding spring 24 along the limiting spring 24; the rope fixer 8 pulls the stretching column 32 upwards, drives the second sliding disc 31 to slide upwards and compresses the second spring 33, so that the problem of snap caused by overlarge instantaneous tension of the steel rope can be effectively avoided.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as expressed herein, by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A buffering connecting device for building hoisting comprises a connecting cylinder (1) and a coupler (7), wherein through openings are formed in the center of the upper end face and the lower end face of the connecting cylinder (1), the buffering connecting device also comprises a rope fixer (8) and a sheathing mechanism (9) installed on the rope fixer (8), and a first buffering connecting piece (2) used for connecting the coupler (7) and a second buffering connecting piece (3) used for connecting the rope fixer (8) are installed in the connecting cylinder (1);
the first buffer connecting piece (2) comprises a limiting slide rod (21), a first sliding disc (22), a connecting column (23) and a first spring (24), the limiting slide rod (21) is provided with a plurality of connecting rods and is fixedly installed on the bottom wall of the inner cavity of the connecting cylinder (1), the limiting slide rod (21) is annularly arranged on the periphery of the bottom opening of the connecting cylinder (1), the first sliding disc (22) is sleeved on the limiting slide rod (21) and is in sliding connection with the limiting slide rod (21), the connecting column (23) capable of extending out of the bottom opening of the connecting cylinder (1) is fixedly installed on the lower surface of the first sliding disc (22), the first spring (24) is sleeved on the connecting column (23), the upper end of the first spring (24) is abutted to the lower surface of the first sliding disc (22), and the lower end of the first spring (24) is abutted to the bottom wall of the inner cavity of the connecting cylinder (1);
the second buffer connecting piece (3) comprises a second sliding disc (31), a stretching column (32) and a second spring (33), the second sliding disc (31) is arranged in the connecting cylinder (1) and is in sliding connection with the inner cylinder wall of the connecting cylinder (1), the stretching column (32) capable of extending out of the top opening of the connecting cylinder (1) is fixedly mounted on the upper surface of the second sliding disc (31), the second spring (33) is sleeved on the stretching column (32), the lower end of the second spring (33) is abutted to the upper surface of the second sliding disc (31), and the upper end of the second spring (33) is abutted to the top wall of the inner cavity of the connecting cylinder (1);
the method is characterized in that: rope fixer (8) are including fixed plate (81), sleeve pipe (82), fixed auricle (83), U type fixing base (84) and reinforcing plate (85), fixed plate (81) fixed mounting is at the top of stretching post (32), and fixed plate (81) go up fixed mounting and have sleeve pipe (82) and fixed auricle (83), install inside sleeve pipe (82) fixed auricle (83), and fixed mounting has U type fixing base (84) that a plurality of rings shape distribute on the outer pipe wall of sleeve pipe (82), has all seted up threaded through-hole on sleeve pipe (82) pipe wall that every U type fixing base (84) correspond, and the mount is equipped with reinforcing plate (85) between adjacent U type fixing base (84).
2. The buffer connecting device for building hoisting according to claim 1, characterized in that: the utility model discloses a rope, including the axis of rotation (91), connection piece (92), first half arc pipe (93) and second half arc pipe (94), the lower extreme fixed connection of axis of rotation (91) is in the last nozzle wall department of sleeve pipe (82), installs first half arc pipe (93) and second half arc pipe (94) of being connected with axis of rotation (91) rotation on axis of rotation (91), first half arc pipe (93) and second half arc pipe (94) constitute the spacing framework of the fixed rope of tubulose through closing soon, and all fixed mounting have stupefied (9 c) of many annular distributions's damping rubber on the inner arc wall of first half arc pipe (93) and second half arc pipe (94).
3. The buffer connecting device for building hoisting according to claim 2, characterized in that: the lock core piece (9 a) is arranged on the first semi-arc tube (93), the lock core piece (9 a) comprises an arc-shaped mounting block (91 a), a lock catch arc-shaped plate (92 a) and a sliding push handle (93 a), the arc-shaped mounting block (91 a) is fixedly mounted on the outer tube wall of the first semi-arc tube (93), a sliding cavity is formed in the arc-shaped mounting block (91 a), and an arc-shaped sliding groove is formed in the upper surface of the arc-shaped mounting block (91 a); the locking arc-shaped plate (92 a) is inserted into the sliding cavity and is connected with the sliding cavity in a sliding manner; a sliding push handle (93 a) is fixedly arranged on the upper surface of the locking arc-shaped plate (92 a), and the sliding push handle (93 a) extends out of an arc-shaped sliding groove formed in the upper surface of the arc-shaped mounting block (91 a) and is in sliding connection with the arc-shaped sliding groove;
install multiunit and lock core spare (9 a) corresponding hasp spare (9 b) on second half arc pipe (94), hasp spare (9 b) is including spacing arc casing (91 b) and thread tightening pole (92 b), spacing arc casing (91 b) fixed mounting is on the outer pipe wall of second half arc pipe (94), offers the slip arc hole that matches each other with hasp arc (92 a) on spacing arc casing (91 b), installs thread tightening pole (92 b) of threaded connection at the outer wall of spacing arc casing (91 b).
4. The buffer connecting device for building hoisting according to claim 1, characterized in that: the fixed plate (81) and the stretching column (32) are fixedly connected in a welding mode or a screw connection mode, and a plurality of reinforcing ribs distributed in an annular mode are fixedly welded at the fixed connection position of the stretching column (32) and the fixed plate (81);
the fixing lug piece (83) is provided with a wiring through hole, when a hoisting steel cable of the crane is locked by the cable fixing device (8), the steel cable is fixedly stranded in the fixing lug piece (83), the steel cable penetrates through the wiring through hole formed in the fixing lug piece (83) and then is stranded, screwed and fixedly connected, a cold pressing joint is sleeved at the stranded and fixedly connected position, a wire pressing device is used for applying hoop pressing force to the cold pressing joint, and a bolt penetrates through a threaded through hole formed in the pipe wall of the sleeve (82) to fix the steel cable in the sleeve (82) or the cold pressing joint sleeved at the steel cable stranded and fixedly connected position in an extrusion mode.
5. The buffer connecting device for building hoisting according to claim 2, characterized in that: the peripheries of the first spring (24) and the second spring (33) are respectively sleeved with a reinforcing spring (4);
the damping rubber edge (9 c) is made of wear-resistant rubber materials or plastic nylon materials, and the damping rubber edge (9 c) is mounted on the inner arc walls of the first half-arc pipe (93) and the second half-arc pipe (94) in a sticking or embedded mode and can be detachably mounted;
after a hoisting steel cable of a crane is fixed on a cable fixing device (8), a section of steel cable is reserved between the cable fixing device (8) and a sheathing mechanism (9), the length of the reserved steel cable in a space between the cable fixing device (8) and the sheathing mechanism (9) is 20-40 cm, and the reserved steel cable is in a free bending shape or a free folding shape in the space between the cable fixing device (8) and the sheathing mechanism (9).
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| CN202011090911.XA CN112027886B (en) | 2020-10-13 | 2020-10-13 | Buffer connecting device for building hoisting and hoisting method |
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| CN112607578B (en) * | 2021-01-15 | 2023-01-24 | 东莞市福华建筑工程有限公司 | Mechanical hoisting buffering connecting device for building |
| CN113086207B (en) * | 2021-04-06 | 2022-05-10 | 上海工程技术大学 | Low-cost airborne hanging rack mechanism |
| CN113428784B (en) * | 2021-06-09 | 2023-05-30 | 山东中建八局投资建设有限公司 | Steel cable tensioning device for building construction |
| CN114751291B (en) * | 2022-04-18 | 2024-09-24 | 杭州电子科技大学 | Coiled pipe material frame anti-swing hanging device and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013108524A (en) * | 2011-11-17 | 2013-06-06 | Tokkyokiki Corp | Ceiling hanging type quake reducing device |
| CN208503333U (en) * | 2018-06-22 | 2019-02-15 | 福建久源建筑装饰工程有限公司 | A kind of assembled architecture construction object lifting junction damping device |
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2020
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013108524A (en) * | 2011-11-17 | 2013-06-06 | Tokkyokiki Corp | Ceiling hanging type quake reducing device |
| CN208503333U (en) * | 2018-06-22 | 2019-02-15 | 福建久源建筑装饰工程有限公司 | A kind of assembled architecture construction object lifting junction damping device |
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