CN113104717A - Special self-locking lifting appliance for steel structure - Google Patents
Special self-locking lifting appliance for steel structure Download PDFInfo
- Publication number
- CN113104717A CN113104717A CN202010582399.4A CN202010582399A CN113104717A CN 113104717 A CN113104717 A CN 113104717A CN 202010582399 A CN202010582399 A CN 202010582399A CN 113104717 A CN113104717 A CN 113104717A
- Authority
- CN
- China
- Prior art keywords
- pull rod
- locking
- sleeve
- lifting appliance
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a self-locking lifting appliance special for a steel structure, which comprises: the lifting appliance comprises a lifting appliance body, a fixing structure, a lifting lock mechanism and a pull rope, wherein the lifting appliance body comprises a connecting block and a first sleeve, the connecting block is provided with an inserting hole and a connecting hole, and the side wall of the first sleeve is provided with a first sliding groove and a first locking groove which are mutually communicated; the fixing structure comprises a fixing bolt, a first pull rod and a first telescopic spring, and the fixing bolt is arranged in the first sleeve and is in sliding connection with the first sleeve; the lifting locking mechanism comprises a sliding block, a third telescopic spring and an extension block, the sliding block is connected with the connecting block in a sliding mode, one end of the extension block is fixed with the sliding block, the other end of the extension block is provided with a first locking block, and the first locking block is in contact with the first pull rod; the first pull rod is connected with the pull rope. The invention provides a self-locking lifting appliance special for a steel structure, which avoids the risk of climbing up and down by constructors, and a lifting lock mechanism has a locking effect on a fixing bolt, so that a first pull rod cannot be unhooked due to manual misoperation of a pull rope.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a self-locking lifting appliance special for a steel structure.
Background
In the construction of the traditional steel structure building engineering, a steel column and a steel plate wall are generally installed once every three layers, a single steel member is high in height, and the cross section of the steel member is mostly long-strip-shaped; after the steel member is hoisted in place, the steel wire rope bound between the hoisting point of the member and the lifting hook of the tower crane needs to be removed manually. Because this process does not have safe cat ladder and supplies constructor about perpendicular, constructor adopts original climbing mode more, the safety belt of tying on one's body is connected the back with the safety hook on the lifting hook, step on steel column about the peg on the steel member, because the height of single component all exceeds 9 meters, there is the risk of falling from the eminence because fatigue or losing one's hand in the climbing process, and the instrument that unbundles wire rope in-process and use does not have the safety protection rope, probably lead to the instrument to fall and hinder the people, perhaps the steel column itself is fixed insecure temporarily, in addition the disturbance when constructor goes up and down the operation, the steel column has the risk of toppling and hindering the people. Therefore, a self-locking lifting appliance special for a steel structure is needed to be designed, the binding connection and the binding releasing process between the lifting point of the steel member and the lifting hook of the lifting equipment are completed by the operation of workers on the ground, and the risk of climbing up and down by the constructors is avoided.
Chinese patent application publication No. CN207078904U, the publication date is 2018, 03 month 09, entitled "hoist with adjustable overlength steel structure beam", discloses hoist with adjustable overlength steel structure beam, including adjustable steel structure hoist, adjustable steel structure hoist is by steel structure hoist roof, steel structure hoist bottom plate corresponds with steel structure hoist curb plate and sets up "well" style of calligraphy structure setting of constituteing, steel structure hoist curb plate upper portion corresponds the setting through fixed pin and steel structure hoist roof plate, steel structure hoist curb plate lower part corresponds the setting through fixed pin and steel structure hoist bottom plate, be equipped with the lewis hole on the steel structure hoist roof plate. But the device is not suitable for hoisting the steel member in a vertical state in the construction process.
Disclosure of Invention
The invention provides a self-locking lifting appliance special for a steel structure, aiming at overcoming the defect that a steel member needs to be manually removed from a steel wire rope bound between a lifting point of the member and a lifting hook of a tower crane after being lifted in place in the prior art, wherein the binding connection and the binding removal process between the lifting point of the steel member and the lifting hook of lifting equipment are finished by workers on the ground, so that the risk of climbing up and down by the constructors is avoided, meanwhile, a lifting lock mechanism has a locking effect on a fixing bolt, a safety effect is formed, the risk is reduced, and the first pull rod cannot be unhooked due to manual misoperation of a pull rope.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a special auto-lock hoist of steel construction, includes:
the lifting appliance comprises a lifting appliance body and a lifting device body, wherein the lifting appliance body is used for connecting a lifting hook and a steel structure of a crane, the lifting appliance body comprises a connecting block and a first sleeve, the connecting block is provided with a jack and a connecting hole, and the side wall of the first sleeve is provided with a first sliding groove and a first locking groove which are mutually communicated;
the fixing structure is used for fixing the steel structure and the lifting appliance body and comprises a fixing bolt, a first pull rod and a first telescopic spring, the fixing bolt is arranged in the first sleeve and is in sliding connection with the first sleeve, the fixing bolt can rotate along the axis of the first sleeve, one end of the fixing bolt penetrates through the jack, one end of the first telescopic spring is connected with the fixing bolt, the other end of the first telescopic spring is connected with the lifting appliance body, one end of the first pull rod is fixed with the fixing bolt, and the other end of the first pull rod penetrates through the first locking groove;
the lifting locking mechanism is used for locking the fixed structure and comprises a sliding block, a third telescopic spring and an extension block, the sliding block is arranged above the connecting hole and is connected with the connecting block in a sliding mode, one end of the third telescopic spring is connected with the connecting block, the other end of the third telescopic spring is connected with the sliding block, one end of the sliding block extends into the connecting hole, one end of the extension block is fixed with the sliding block, the other end of the extension block is provided with a first locking block, and the first locking block is in contact with the first pull rod;
the pull rope, first pull rod and pull rope are connected.
In the technical scheme, before the steel member is hoisted, after a constructor aligns and positions the hoisting jack and the hoisting point hole of the steel member on the ground, the constructor holds the first pull rod to push forwards along the first sliding groove until the fixing bolt completely passes through the hoisting hole of the member, and pushes the first pull rod upwards to clamp the first pull rod in the first locking groove of the first sleeve; the lifting hook passes through the connecting hole, and in the hoisting process, the sliding block is pressed tightly to drive the first locking block to move, contact and lock the first pull rod. The first pull rod is prevented from being unlocked in the hoisting process, and the hoisting safety is further guaranteed. Then the first pull rod is connected with the pull rope, after the first pull rod is hoisted and fixed in place, the hoisting lock mechanism is unlocked, under the guidance of a signal worker, the operation worker pulls the pull rope downwards, the first pull rod leaves the first lock groove downwards along with the pull rope, and at the moment, the fixing bolt resets to the original position under the action of the horizontal thrust of the first telescopic spring in the sleeve, so that the hanger is completely separated from the hoisting point. And (4) continuing to return the hook and take up the rope by the tower crane, bringing the lifting appliance back to the ground along with the lifting hook, and finishing the lifting and unbinding processes of the whole steel member. The lifting appliance has the advantages that the binding connection and the unbinding process between the lifting point of the steel member and the lifting hook of the lifting equipment are completed by workers on the ground, so that the risk of climbing up and down by the workers is avoided; simultaneously, the padlock mechanism has the locking effect to fixing bolt, guarantees that first pull rod can not remove at hoist and mount in-process, forms the insurance effect, reduces the risk, makes first pull rod can not be because of the artificial maloperation stay cord unhook. The lifting appliance is simple in structure, low in manufacturing cost, simple to operate, light and handy and convenient to carry manually.
Preferably, the lifting appliance further comprises a locking structure for locking the first pull rod, the lifting appliance body further comprises a second sleeve, and a second sliding groove and a second locking groove which are communicated with each other are formed in the side wall of the second sleeve; the locking structure comprises a locking bolt, a second pull rod and a second telescopic spring, the locking bolt is arranged in the second sleeve and is in sliding connection with the second sleeve, one end of the locking bolt is in contact with the first pull rod, one end of the second telescopic spring is connected with the locking bolt, and the other end of the second telescopic spring is connected with the hanger body; the locking bolt can be rotated along the axis of the second sleeve, one end of the second pull rod is fixed with the locking bolt, the other end of the second pull rod passes through the second locking groove, the pull rope is connected with the locking bolt through the second pull rod, and the second pull rod is connected with the pull rope.
In the above scheme, the axes of the first sleeve and the second sleeve are basically parallel, and the elastic force of the second telescopic spring enables the locking bolt to have a retraction tendency. Before the steel member is hoisted, after a constructor aligns and positions the jack of the lifting appliance and the hoisting point hole of the steel member on the ground, the constructor holds the first pull rod to push forwards along the first sliding groove until the fixing bolt completely passes through the hoisting hole of the steel member, and pushes the first pull rod upwards to clamp the first pull rod in the first locking groove of the sleeve; then the locking bolt penetrates through the second sleeve to clamp the first pull rod, so that the first pull rod cannot be unhooked due to manual misoperation of the pull rope; and then the second pull rod is moved along the second locking groove, so that the second pull rod is clamped in the second locking groove, and in the hoisting process, the sliding block is compressed to drive the first locking block to move, contact and lock the first pull rod, so that the first pull rod cannot be unlocked in the hoisting process, and the hoisting safety is further ensured. Then be connected with the stay cord respectively with first pull rod and second pull rod, the hoist and mount is fixed the back of taking one's place, under the direction of signal worker, the operation workman will be drawn downwards at the stay cord on the second pull rod, the second pull rod breaks away from the second locked groove, the locking bolt retracts under the spring action, lose the spacing protection to first pull rod, exert the pulling force to the stay cord on the first pull rod this moment, then first pull rod also leaves first locked groove downwards thereupon, the fixed bolt resets to the normal position under the effect of the horizontal thrust of first expanding spring in the sleeve this moment, make hoist and hoisting point separate completely. And (4) continuing to return the hook and take up the rope by the tower crane, bringing the lifting appliance back to the ground along with the lifting hook, and finishing the lifting and unbinding processes of the whole steel member. The lifting appliance has the advantages that the binding connection and the unbinding process between the lifting point of the steel member and the lifting hook of the lifting equipment are completed by workers on the ground, so that the risk of climbing up and down by the workers is avoided; locking structure has the locking effect to fixing bolt, and simultaneously, the padlock mechanism has the locking effect to first pull rod at the hoist and mount in-process, guarantees that first pull rod can not remove at hoist and mount in-process, forms insurance effect, reduces the risk. The lifting appliance is simple in structure, low in manufacturing cost, simple to operate, light and handy in equipment and convenient to carry manually.
Preferably, the extension block is provided with a second locking block, and the second locking block is in contact with the second pull rod. The second locking block can contact and lock the second pull rod during hoisting. The first pull rod and the second pull rod cannot be unlocked in the hoisting process, and the hoisting safety is further guaranteed.
Preferably, the first pull rod and the second pull rod are connected with the same pull rope; an elastic expansion piece is arranged on the second pull rod, one end of the elastic expansion piece is connected with the second pull rod, and one end of the pull rope penetrates through the elastic expansion piece and is connected with the first pull rod after being fixed with the elastic expansion piece.
In the above technical solution, the elastic expansion member may be an expansion spring, or an elastic rope with elasticity, or other elastic members. One end of the pull rope is bound on the first pull rod, and after a proper margin is reserved, the pull rope is knotted and then bound on the elastic expansion piece on the second pull rod. The effect of elastic expansion piece is the rope length of adjusting between two pull rods to give the certain axial buffering of second pull rod, avoid little do not draw the operation. When needing the unblock, the pulling stay cord, second pull rod atress downstream, the second pull rod breaks away from the second locked groove, and the locking bolt receives the spring force withdrawal, loses the locking effect to first pull rod, continues to stimulate the stay cord this moment, and first pull rod atress downstream, first pull rod breaks away from first locked groove, and the fixing bolt receives the spring force withdrawal, and the fixing bolt withdrawal back makes hoist and hoisting point separate completely. Among the above-mentioned technical scheme, through a stay cord control fixed knot structure and locking structure simultaneously, utilize structure characteristics itself, realize the precedence of unblock action, it is more convenient than the operation of two stay cords, the security is higher, has also avoided two stay cords intertwine's problem.
Preferably, a stop block is arranged on the side wall of the first sleeve, and the stop block and the second sleeve are respectively arranged on two sides of the first locking groove. The stop block can be contacted with one end of the locking bolt after the locking bolt extends out to provide support.
Preferably, the fixing structure and the locking structure are connected with the same pull rope; one end of the pull rope is provided with two branch lines, and the two branch lines are respectively connected with the fixing structure and the locking structure.
Among the above-mentioned technical scheme, when two separated time are connected with first pull rod and second pull rod, leave certain surplus, when the hoist needs the unblock, the pulling stay cord, second pull rod atress moves down, the second pull rod breaks away from the second locked groove, the locking bolt receives the spring force withdrawal, lose the locking effect to first pull rod, continue to stimulate the stay cord this moment, first pull rod atress moves down, first pull rod breaks away from first locked groove, the fixing bolt receives the spring force withdrawal, make hoist and hoisting point complete separation. Among the above-mentioned technical scheme, through a stay cord control fixed knot structure and locking structure simultaneously, utilize structure characteristics itself, realize the precedence of unblock action, it is more convenient than the operation of two stay cords, the security is higher, has also avoided two stay cords intertwine's problem.
Preferably, one end of the first pull rod is provided with a first pull ring. The structure is convenient for the connection of the first pull rod and the pull rope.
Preferably, one end of the second pull rod is provided with a second pull ring. The structure is convenient for the second pull rod to be connected with the pull rope.
Preferably, one end of the connecting block is provided with a connecting groove, and the insertion hole transversely penetrates through the connecting groove. The spread groove makes things convenient for hoist and steel construction to be connected, and guarantees connection structure's stability.
The invention has the beneficial effects that: (1) the binding connection and unbinding processes between the steel member hoisting point and the hoisting equipment hook are finished by workers on the ground, so that the risk of climbing up and down by the constructors is avoided; (2) the locking structure has a locking effect on the fixing bolt, so that a safety effect is formed, the risk is reduced, and the first pull rod cannot be unhooked due to manual misoperation of the pull rope; (3) the lifting appliance has the advantages of simple structure, low manufacturing cost, simple operation, light and handy equipment and convenient manual carrying; (4) the fixing structure and the locking structure are simultaneously controlled by one pull rope, the sequence of unlocking actions is realized by using the characteristics of the structure, the operation is convenient, and the safety is higher; (5) the lifting lock mechanism has a locking effect on the first pull rod in the lifting process, the first pull rod cannot move in the lifting process, a safety effect is formed, and risks are reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of embodiment 1;
FIG. 4 is a schematic structural view of example 5.
In the figure: the lifting appliance comprises a lifting appliance body 1, a connecting block 1.1, a connecting hole 1.1.1, a connecting groove 1.1.2, a jack 1.1.3, a first sleeve 1.2, a first sliding groove 1.2.1, a first locking groove 1.2.2, a stop block 1.2.3, a second sleeve 1.3, a second sliding groove 1.3.1, a second locking groove 1.3.2, a fixed structure 2, a fixed bolt 2.1, a first pull rod 2.2, a first telescopic spring 2.3, a first pull ring 2.4, a locking structure 3, a locking bolt 3.1, a second pull rod 3.2, a second telescopic spring 3.3, a second pull ring 3.4, a pull rope 4, an elastic telescopic piece 5, a lifting locking mechanism 6, a sliding block 6.1, a third telescopic spring 6.2, an extension block 6.3, a first locking block 6.4 and a second locking block 6.5.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 3, a special auto-lock hoist of steel construction, including hoist body 1, fixed knot constructs 2, locking structure 3 and stay cord 4, hoist body 1 includes connecting block 1.1, first sleeve 1.2 and second sleeve 1.3, first sleeve 1.2 is perpendicular with the axis of second sleeve 1.3, be equipped with jack 1.1.3 on the connecting block 1.1, jack 1.1.3 traversing spread groove 1.1.2, be equipped with first spout 1.2.1 and the first locked groove 1.2.2 of intercommunication on the lateral wall of first sleeve 1.2.
Fixed knot constructs 2 including fixing bolt 2.1, first pull rod 2.2 and first expanding spring 2.3, fixing bolt 2.1 set up in first sleeve 1.2 and with first sleeve 1.2 sliding connection, fixing bolt 2.1 can be followed first sleeve 1.2's axis and rotated, jack 1.1.3 is passed to fixing bolt 2.1's one end, first expanding spring 2.3 one end is connected with fixing bolt 2.1, first expanding spring 2.3's the other end and hoist body 1 are connected, first pull rod 2.2's one end is fixed with fixing bolt 2.1, first locked groove 1.2.2 is passed to first pull rod 2.2's the other end.
In the above technical solution, the locking bolt 3.1 has a tendency to extend due to the elastic force of the second extension spring 3.3. Before the steel member is hoisted, after a constructor aligns and positions the lifting appliance jack 1.1.3 and a steel member lifting point hole on the ground, the constructor holds the first pull rod 2.2 to advance along the first sliding groove 1.2.1 until the fixing bolt 2.1 completely passes through the member lifting hole, and advances the first pull rod 2.2 upwards to clamp the fixing bolt in the first locking groove 1.2.2 of the first sleeve 1.2; then the locking bolt 3.1 penetrates out of the second sleeve 1.3 to clamp the first pull rod 2.2, so that the first pull rod 2.2 cannot be unhooked due to manual misoperation of the pull rope 4; then the first pull rod 2.2 and the locking bolt 3.1 are respectively connected with the pull rope 4, after the hoisting and fixing are in place, under the guidance of a signal worker, the operation worker pulls the pull rope 4 tied on the locking structure 3 downwards, the locking bolt 3.1 retracts, the limiting protection on the first pull rod 2.2 is lost, at the moment, the pull force is applied to the pull rope 4 on the first pull rod 2.2, the first pull rod 2.2 also leaves the first lock groove 1.2.2 downwards, at the moment, the fixing bolt 2.1 resets to the original position under the action of the horizontal thrust of the first telescopic spring 2.3 in the sleeve, and the lifting appliance is completely separated from a lifting point. And (4) continuing to return the hook and take up the rope by the tower crane, bringing the lifting appliance back to the ground along with the lifting hook, and finishing the lifting and unbinding processes of the whole steel member. The lifting appliance has the advantages that the binding connection and the unbinding process between the lifting point of the steel member and the lifting hook of the lifting equipment are completed by workers on the ground, so that the risk of climbing up and down by the workers is avoided; simultaneously, locking structure 3 has the locking effect to fixing bolt 2.1, forms the insurance effect, reduces the risk, makes first pull rod 2.2 can not be because of the artificial maloperation stay cord 4 unhook. The lifting appliance is simple in structure, low in manufacturing cost, simple to operate, light and handy and convenient to carry manually.
Example 2:
as shown in fig. 1, a steel structure special self-locking lifting appliance comprises a lifting appliance body 1, a fixing structure 2, a locking structure 3 and a pull rope 4, wherein the lifting appliance body 1 comprises a connecting block 1.1, a first sleeve 1.2 and a second sleeve 1.3, the connecting block 1.1 is provided with a jack 1.1.3, a connecting hole 1.1.1 and a connecting groove 1.1.2, the jack 1.1.3 transversely penetrates through the connecting groove 1.1.2, and the side wall of the first sleeve 1.2 is provided with a first sliding groove 1.2.1 and a first locking groove 1.2.2 which are mutually communicated; the side wall of the second sleeve 1.3 is provided with a second sliding groove 1.3.1 and a second locking groove 1.3.2 which are communicated with each other.
Fixed knot constructs 2 including fixing bolt 2.1, first pull rod 2.2 and first expanding spring 2.3, fixing bolt 2.1 set up in first sleeve 1.2 and with first sleeve 1.2 sliding connection, fixing bolt 2.1 can be followed first sleeve 1.2's axis and rotated, jack 1.1.3 is passed to fixing bolt 2.1's one end, first expanding spring 2.3 one end is connected with fixing bolt 2.1, first expanding spring 2.3's the other end and hoist body 1 are connected, first pull rod 2.2's one end is fixed with fixing bolt 2.1, first locked groove 1.2.2 is passed to first pull rod 2.2's the other end. One end of the first pull rod 2.2 is provided with a first pull ring 2.4.
The locking structure 3 comprises a locking bolt 3.1, a second pull rod 3.2 and a second telescopic spring 3.3, the locking bolt 3.1 is arranged in the second sleeve 1.3 and is in sliding connection with the second sleeve 1.3, the locking bolt 3.1 can rotate along the axis of the second sleeve 1.3, one end of the locking bolt 3.1 is in contact with the first pull rod 2.2, one end of the second telescopic spring 3.3 is connected with the locking bolt 3.1, and the other end of the second telescopic spring 3.3 is connected with the hanger body 1; one end of the second pull rod 3.2 is fixed with the locking bolt 3.1, the other end of the second pull rod 3.2 passes through the second locking groove 1.3.2, and the pull rope 4 is connected with the locking bolt 3.1 through the second pull rod 3.2. The first pull rod 2.2 and the second pull rod 3.2 are respectively connected with a pull rope 4. One end of the second pull rod 3.2 is provided with a second pull ring 3.4. The side wall of the first sleeve 1.2 is provided with a stop block 1.2.3, and the stop block 1.2.3 and the second sleeve 1.3 are respectively arranged at two sides of the first lock groove 1.2.2.
In the above solution, the axes of the first sleeve 1.2 and the second sleeve 1.3 are substantially parallel, and the elasticity of the second expansion spring 3.3 makes the locking bolt 3.1 have a retraction tendency. Before the steel member is hoisted, after a constructor aligns and positions the hoisting jack 1.1.3 and a steel member hoisting point hole on the ground, the constructor holds the first pull rod 2.2 to advance along the first sliding groove 1.2.1 until the fixing bolt 2.1 completely passes through the member hoisting hole, and advances the first pull rod 2.2 upwards to clamp the fixing bolt in the first locking groove 1.2.2 of the sleeve; then the locking bolt 3.1 penetrates out of the second sleeve 1.3 to clamp the first pull rod 2.2, so that the first pull rod 2.2 cannot be unhooked due to manual misoperation of the pull rope 4; and then the second pull rod 3.2 moves along the second lock groove 1.3.2, so that the second pull rod 3.2 is clamped in the second lock groove 1.3.2, then the first pull rod 2.2 and the second pull rod 3.2 are respectively connected with the pull rope 4, after the hoisting and fixing are in place, under the guidance of a signal worker, the operation worker pulls the pull rope 4 tied on the second pull rod 3.2 downwards, the second pull rod 3.2 is separated from the second lock groove 1.3.2, the locking bolt 3.1 retracts under the action of elasticity, the limit protection on the first pull rod 2.2 is lost, at the moment, the pull rope 4 on the first pull rod 2.2 is exerted with a pulling force, the first pull rod 2.2 also leaves the first lock groove 1.2.2 downwards, at the moment, the fixing bolt 2.1 is reset to the original position under the action of the horizontal pushing force of the first telescopic spring 2.3 in the sleeve, so that the hanger is completely separated from a hoisting point. And (4) continuing to return the hook and take up the rope by the tower crane, bringing the lifting appliance back to the ground along with the lifting hook, and finishing the lifting and unbinding processes of the whole steel member. The lifting appliance has the advantages that the binding connection and the unbinding process between the lifting point of the steel member and the lifting hook of the lifting equipment are completed by workers on the ground, so that the risk of climbing up and down by the workers is avoided; simultaneously, locking structure 3 has the locking effect to fixing bolt 2.1, forms the insurance effect, reduces the risk, makes first pull rod 2.2 can not be because of the artificial maloperation stay cord 4 unhook. The lifting appliance is simple in structure, low in manufacturing cost, simple to operate, light and handy in equipment and convenient to carry manually.
Example 3:
as shown in fig. 1 and 2, in addition to embodiment 2, the first pull rod 2.2 and the second pull rod 3.2 are connected with the same pull rope 4; an elastic telescopic piece 5 is arranged on the second pull rod 3.2, one end of the elastic telescopic piece 5 is connected with the second pull rod 3.2, and one end of the pull rope 4 is fixed with the elastic telescopic piece 5 and then penetrates through the elastic telescopic piece 5 to be connected with the first pull rod 2.2.
In the above technical solution, the elastic expansion member 5 may be an expansion spring, or an elastic rope with elasticity, or other elastic members. One end of the pull rope 4 is bound on the first pull rod 2.2, and is tied off after a proper margin is reserved and then bound on the elastic expansion piece 5 on the second pull rod 3.2. The function of the elastic expansion piece 5 is to adjust the length of the rope between the two tie rods and give the second tie rod 3.2 a certain axial cushioning, avoiding a small no-pull operation. When needing the unblock, pulling stay cord 4, second pull rod 3.2 atress moves down, second pull rod 3.2 breaks away from second locked groove 1.3.2, locking bolt 3.1 receives the spring force retraction, lose the locking effect to first pull rod 2.2, continue to stimulate stay cord 4 this moment, first pull rod 2.2 atress moves down, first pull rod 2.2 breaks away from first locked groove 1.2.2, fixing bolt 2.1 receives the spring force retraction, after fixing bolt 2.1 retracts, make hoist and hoisting point complete separation. Among the above-mentioned technical scheme, through a stay cord 4 control fixed knot constructs 2 and locking structure 3 simultaneously, utilizes structure characteristics itself, realizes the precedence order of unblock action, and is more convenient than the operation of two stay cords 4, and the security is higher, has also avoided two stay cords 4 intertwine's problem.
Example 4:
on the basis of the embodiment 2, the fixing structure 2 and the locking structure 3 are connected with the same pull rope 4; one end of the pull rope 4 is provided with two branch lines which are respectively connected with the fixed structure 2 and the locking structure 3.
Among the above-mentioned technical scheme, when two separated time and first pull rod 2.2 and second pull rod 3.2 are connected, leave certain surplus, when the hoist needs the unblock, pulling stay cord 4, second pull rod 3.2 atress lapse, second pull rod 3.2 breaks away from second locked groove 1.3.2, locking bolt 3.1 receives the spring force withdrawal, lose the locking effect to first pull rod 2.2, continue to stimulate stay cord 4 this moment, first pull rod 2.2 atress lapse, first pull rod 2.2 breaks away from first locked groove 1.2.2, fixing bolt 2.1 receives the spring force withdrawal, make hoist and hoisting point complete separation. Among the above-mentioned technical scheme, through a stay cord 4 control fixed knot constructs 2 and locking structure 3 simultaneously, utilizes structure characteristics itself, realizes the precedence order of unblock action, and is more convenient than the operation of two stay cords 4, and the security is higher, has also avoided two stay cords 4 intertwine's problem.
Example 5:
as shown in fig. 4, on the basis of embodiment 1, the locking device further includes a locking mechanism 6, the locking mechanism 6 includes a sliding block 6.1, a third expansion spring 6.2 and an extension block 6.3, the sliding block 6.1 is disposed above the connecting hole 1.1.1, the sliding block 6.1 is slidably connected with the connecting block 1.1, one end of the third expansion spring 6.2 is connected with the connecting block, the other end of the third expansion spring 6.2 is connected with the sliding block 6.1, one end of the sliding block 61 extends into the connecting hole 1.1.1, one end of the extension block 6.3 is fixed with the sliding block 6.1, the other end of the extension block 6.3 is provided with a first locking block 6.4 and a second locking block 6.5, the first locking block 6.4 is in contact with the first pull rod 2.2, and the second locking block 6.5 is in contact with the second pull rod 3.2.
Among the above-mentioned technical scheme, when the hoist used, the lifting hook passed connecting hole 1.1.1, and at the hoisting in-process, sliding block 6.1 was compressed tightly, drove first latch segment 6.4 and the removal of second latch segment 6.5, contacted respectively and locked first pull rod 2.2 and second pull rod 3.2. The first pull rod 2.2 and the second pull rod 3.2 can not be unlocked in the hoisting process, and the hoisting safety is further ensured.
The invention has the beneficial effects that: the binding connection and unbinding processes between the steel member hoisting point and the hoisting equipment hook are finished by workers on the ground, so that the risk of climbing up and down by the constructors is avoided; the locking structure has a locking effect on the fixing bolt, so that a safety effect is formed, the risk is reduced, and the first pull rod cannot be unhooked due to manual misoperation of the pull rope; the lifting appliance has the advantages of simple structure, low manufacturing cost, simple operation, light and handy equipment and convenient manual carrying; through a stay cord control fixed knot structure and locking structure simultaneously, utilize structure characteristics itself, realize the precedence order of unblock action, convenient operation, the security is higher.
Claims (8)
1. The utility model provides a special auto-lock hoist of steel construction, characterized by includes:
the lifting appliance comprises a lifting appliance body and a lifting device body, wherein the lifting appliance body is used for connecting a lifting hook and a steel structure of a crane, the lifting appliance body comprises a connecting block and a first sleeve, the connecting block is provided with a jack and a connecting hole, and the side wall of the first sleeve is provided with a first sliding groove and a first locking groove which are mutually communicated;
the fixing structure is used for fixing the steel structure and the lifting appliance body and comprises a fixing bolt, a first pull rod and a first telescopic spring, the fixing bolt is arranged in the first sleeve and is in sliding connection with the first sleeve, the fixing bolt can rotate along the axis of the first sleeve, one end of the fixing bolt penetrates through the jack, one end of the first telescopic spring is connected with the fixing bolt, the other end of the first telescopic spring is connected with the lifting appliance body, one end of the first pull rod is fixed with the fixing bolt, and the other end of the first pull rod penetrates through the first locking groove;
the lifting locking mechanism is used for locking the fixed structure and comprises a sliding block, a third telescopic spring and an extension block, the sliding block is arranged above the connecting hole and is connected with the connecting block in a sliding mode, one end of the third telescopic spring is connected with the connecting block, the other end of the third telescopic spring is connected with the sliding block, one end of the sliding block extends into the connecting hole, one end of the extension block is fixed with the sliding block, the other end of the extension block is provided with a first locking block, and the first locking block is in contact with the first pull rod;
the pull rope, first pull rod and pull rope are connected.
2. The self-locking lifting appliance special for the steel structure according to claim 1, further comprising a locking structure for locking the first pull rod, wherein the lifting appliance body further comprises a second sleeve, and a second sliding groove and a second locking groove which are communicated with each other are formed in the side wall of the second sleeve; the locking structure comprises a locking bolt, a second pull rod and a second telescopic spring, the locking bolt is arranged in the second sleeve and is in sliding connection with the second sleeve, one end of the locking bolt is in contact with the first pull rod, one end of the second telescopic spring is connected with the locking bolt, and the other end of the second telescopic spring is connected with the hanger body; the locking bolt can be rotated along the axis of the second sleeve, one end of the second pull rod is fixed with the locking bolt, the other end of the second pull rod passes through the second locking groove, the pull rope is connected with the locking bolt through the second pull rod, and the second pull rod is connected with the pull rope.
3. The self-locking lifting appliance special for the steel structure as claimed in claim 2, wherein the extension block is provided with a second locking block, and the second locking block is in contact with the second pull rod.
4. The self-locking lifting appliance special for the steel structure as claimed in claim 2, wherein the first pull rod and the second pull rod are connected with the same pull rope; an elastic expansion piece is arranged on the second pull rod, one end of the elastic expansion piece is connected with the second pull rod, and one end of the pull rope penetrates through the elastic expansion piece and is connected with the first pull rod after being fixed with the elastic expansion piece.
5. The self-locking lifting appliance special for the steel structure as claimed in claim 2, wherein the side wall of the first sleeve is provided with a stop dog, and the stop dog and the second sleeve are respectively arranged at two sides of the first locking groove.
6. The self-locking lifting appliance special for the steel structure according to claim 1, 2, 3, 4 or 5, wherein the first pull rod and the second pull rod are connected with the same pull rope; one end of the pull rope is provided with two branch lines which are respectively connected with the first pull rod and the second pull rod.
7. The self-locking lifting appliance special for steel structures as claimed in claim 1, 2, 3, 4 or 5, wherein one end of the first pull rod is provided with a first pull ring.
8. The self-locking lifting appliance special for the steel structure according to the claim 2, 3, 4 or 5, wherein one end of the second pull rod is provided with a second pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582399.4A CN113104717B (en) | 2020-06-23 | 2020-06-23 | Special self-locking lifting appliance for steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582399.4A CN113104717B (en) | 2020-06-23 | 2020-06-23 | Special self-locking lifting appliance for steel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113104717A true CN113104717A (en) | 2021-07-13 |
| CN113104717B CN113104717B (en) | 2022-07-26 |
Family
ID=76709060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582399.4A Active CN113104717B (en) | 2020-06-23 | 2020-06-23 | Special self-locking lifting appliance for steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113104717B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3394767B1 (en) * | 2001-12-28 | 2003-04-07 | 象印チエンブロック株式会社 | Shackle |
| CN102659015A (en) * | 2012-05-29 | 2012-09-12 | 中国海洋石油总公司 | Lifting machine tool for impellers of offshore wind turbines |
| US20130074469A1 (en) * | 2011-09-26 | 2013-03-28 | Terry K. Robins | Quick Release Fastening System |
| CN202897780U (en) * | 2012-10-16 | 2013-04-24 | 中国建筑第四工程局有限公司 | Elastic hanging ring buckle |
| JP2013112476A (en) * | 2011-11-29 | 2013-06-10 | Wakachiku Construction Co Ltd | Suspension tool for large concrete structure |
| CN104210933A (en) * | 2014-07-11 | 2014-12-17 | 中国人民解放军76321部队 | Automatic lifting hook lock for airplane lifting air drop |
| CN204847800U (en) * | 2015-08-10 | 2015-12-09 | 河南省矿山起重机有限公司 | European style trolley lifting hook lock rope device |
| CN205346625U (en) * | 2015-12-23 | 2016-06-29 | 中交一航局第三工程有限公司 | High altitude hoist and mount automatic unhooking device |
| CN106064788A (en) * | 2016-06-16 | 2016-11-02 | 湖南吉盛国际动力传动系统有限公司 | A kind of clutch suspender |
| CN207078904U (en) * | 2017-06-30 | 2018-03-09 | 中国一冶集团有限公司 | A kind of overlength steel structure girder adjustable lifting appliance |
| CN110027978A (en) * | 2019-05-13 | 2019-07-19 | 中交一航局第二工程有限公司 | Automatic coupling and decoupling hook and hanging method |
| CN110127507A (en) * | 2019-05-09 | 2019-08-16 | 中国一冶集团有限公司 | A kind of Automated shackle |
| CN212151331U (en) * | 2020-04-13 | 2020-12-15 | 大连鹏翔建筑机械有限公司 | Hoisting self-locking device for crane |
| CN212581321U (en) * | 2020-06-23 | 2021-02-23 | 新疆苏中建设工程有限公司 | Special self-locking lifting appliance for steel structure |
-
2020
- 2020-06-23 CN CN202010582399.4A patent/CN113104717B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3394767B1 (en) * | 2001-12-28 | 2003-04-07 | 象印チエンブロック株式会社 | Shackle |
| US20130074469A1 (en) * | 2011-09-26 | 2013-03-28 | Terry K. Robins | Quick Release Fastening System |
| JP2013112476A (en) * | 2011-11-29 | 2013-06-10 | Wakachiku Construction Co Ltd | Suspension tool for large concrete structure |
| CN102659015A (en) * | 2012-05-29 | 2012-09-12 | 中国海洋石油总公司 | Lifting machine tool for impellers of offshore wind turbines |
| CN202897780U (en) * | 2012-10-16 | 2013-04-24 | 中国建筑第四工程局有限公司 | Elastic hanging ring buckle |
| CN104210933A (en) * | 2014-07-11 | 2014-12-17 | 中国人民解放军76321部队 | Automatic lifting hook lock for airplane lifting air drop |
| CN204847800U (en) * | 2015-08-10 | 2015-12-09 | 河南省矿山起重机有限公司 | European style trolley lifting hook lock rope device |
| CN205346625U (en) * | 2015-12-23 | 2016-06-29 | 中交一航局第三工程有限公司 | High altitude hoist and mount automatic unhooking device |
| CN106064788A (en) * | 2016-06-16 | 2016-11-02 | 湖南吉盛国际动力传动系统有限公司 | A kind of clutch suspender |
| CN207078904U (en) * | 2017-06-30 | 2018-03-09 | 中国一冶集团有限公司 | A kind of overlength steel structure girder adjustable lifting appliance |
| CN110127507A (en) * | 2019-05-09 | 2019-08-16 | 中国一冶集团有限公司 | A kind of Automated shackle |
| CN110027978A (en) * | 2019-05-13 | 2019-07-19 | 中交一航局第二工程有限公司 | Automatic coupling and decoupling hook and hanging method |
| CN212151331U (en) * | 2020-04-13 | 2020-12-15 | 大连鹏翔建筑机械有限公司 | Hoisting self-locking device for crane |
| CN212581321U (en) * | 2020-06-23 | 2021-02-23 | 新疆苏中建设工程有限公司 | Special self-locking lifting appliance for steel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113104717B (en) | 2022-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212581321U (en) | Special self-locking lifting appliance for steel structure | |
| CN205314541U (en) | A device that is used for making when handling building template or protecting component to reduce and draw depression bar thereof | |
| CN113104717B (en) | Special self-locking lifting appliance for steel structure | |
| CN109331350A (en) | A kind of rescue fixes device, erection method and high-rise rescue method with anchor point | |
| CN212581322U (en) | Steel construction special lifting device convenient to dismantle | |
| CN113086826B (en) | Steel construction special lifting device convenient to dismantle | |
| DE102007018851A1 (en) | Guide shoe and combination of a guide shoe with a climbing profile | |
| CN218434640U (en) | Telescopic tower crane escape way | |
| EP0016451B1 (en) | Device for fastening the rollers guiding the cable of a façade lift to a case fixed at the top of a building | |
| CN209761319U (en) | brick clamp convenient to maintenance | |
| CN211078234U (en) | Cable cover plate safety lifting device | |
| CN210238255U (en) | Pushing construction anti-slip reverse-pulling device | |
| CN203944042U (en) | Hydraulic relay jacking type tall-building fire fighting bridge | |
| CN208023966U (en) | Prestress anchorage cable tensioning system | |
| DE2260465C3 (en) | Collapsible rod | |
| CN211835901U (en) | Construct support safety belt and hang knot device | |
| CN213087456U (en) | Steel strand releasing and expanding auxiliary device of arch rib buckling and hanging system | |
| CN209242491U (en) | The lifting hanging apparatus of urban construction building prefabricated components | |
| CN208669069U (en) | A kind of electric pole chassis erector | |
| CN220565672U (en) | Scaffold safety belt tying and hanging device | |
| EP4091980B1 (en) | Lifting system and method for a crane | |
| CN220502311U (en) | Colliery engineering cotton rope knotting device in pit | |
| CN205892504U (en) | A reinforcing bar bundle hoist and mount protection barreled is put | |
| CN217437498U (en) | Prefabricated member lifting appliance for steel structure of assembled bridge | |
| CN203871740U (en) | Hook structure for lifting cable well cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |