CN214299016U

CN214299016U - Standard knot hoisting mechanism for construction elevator

Info

Publication number: CN214299016U
Application number: CN202120296364.4U
Authority: CN
Inventors: 陈智虎; 沙晓鹏; 李晓峰
Original assignee: Zhangjiagang Rongda Construction Machinery Manufacturing Co ltd
Current assignee: Zhangjiagang Rongda Construction Machinery Manufacturing Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-28
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a standard festival hoisting machine constructs for construction elevator, including the roating seat, locate the hoist and mount subassembly on the roating seat, the roating seat includes the seat body, locate seat body bottom and insert pivot, cover in the cage downwards and locate tip under the pivot and can do eccentric pivoted along with the pivot and trigger the wheel, have the interlock switch who is used for controlling the operation return circuit break-make of construction elevator in the cage, interlock switch is located pivot one side and is located same horizontal plane with triggering the wheel. The utility model discloses a hoisting machine constructs, can eccentric pivoted trigger wheel and interlock through the setting, at the eccentric rotation in-process that triggers the wheel, the terminal surface that triggers the wheel and be close to interlock can be contradicted respectively on interlock or break away from interlock for when hoisting machine constructs the during operation, can rotate the wheel that triggers to the position that can contradict on interlock, interlock was triggered this moment, and the potential safety hazard has been avoided in the operation of construction lift.

Description

Standard knot hoisting mechanism for construction elevator

Technical Field

The utility model relates to a standard festival hoisting machine constructs for construction elevator.

Background

The construction elevator is a man-cargo dual-purpose construction machine frequently used in construction sites, mainly plays a role in vertically conveying personnel and materials, and mainly comprises a guide rail frame, a suspension cage, a driving assembly and the like, wherein a rack is arranged on the guide rail frame in the vertical direction, and a driving mechanism is connected with the suspension cage and drives the suspension cage to move up and down along the rack. The guide rail frame comprises a plurality of standard sections which are connected with each other, when the standard sections are assembled, a crane arranged on the cage is used for hoisting the standard sections, and the standard sections are assembled while being lifted, so that the final forming of the guide rail frame is realized.

However, since the cage needs to be moved and raised at any time, the operation loop of the construction hoist is always connected, and a lifting tool on the crane is easily interfered with the construction hoist in operation during hoisting, and even is involved in the construction hoist in operation, thereby having great potential safety hazard.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a standard festival hoisting machine constructs for construction elevator.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a hoisting mechanism for a standard knot of a construction hoist comprises a guide rail frame, a hoisting cage arranged on the guide rail frame and capable of lifting, and a driving assembly used for driving the hoisting cage to lift, wherein the hoisting mechanism comprises a rotary seat arranged at the top of the hoisting cage in a rotatable manner around the vertical direction, and a hoisting assembly arranged on the rotary seat;

the trigger wheel has at least one first position and a second position in the eccentric rotation process, when the trigger wheel rotates to the first position, one end part of the trigger wheel close to the interlocking switch is abutted against the interlocking switch, the interlocking switch is triggered, and the operation loop is disconnected; when the trigger wheel rotates to the second position, one end part of the trigger wheel close to the interlocking switch is separated from the interlocking switch, the interlocking switch is not triggered, and the running loop is in a connected state.

Preferably, the peripheral end face of the trigger wheel is provided with at least one depressed part which is depressed inwards along the radial direction of the trigger wheel, the interlocking switch is provided with a switch body, a connecting rod hinged on the switch body and a switch wheel rotatably arranged at the end part of the connecting rod, and when the trigger wheel is at the second position, the switch wheel is accommodated in the groove of the depressed part; when the trigger wheel is located at the first position, at least one of the other end surfaces of the trigger wheel is abutted against the switch wheel and presses the switch wheel against the switch body.

Preferably, the hoisting mechanism has a working state and a non-working state, and when the hoisting mechanism is in the working state, the trigger wheel is in the first position; when the hoisting mechanism is in a non-working state, the trigger wheel is in a second position.

Preferably, the hoist and mount subassembly is including locating on the roating seat and upwards extending's branch, articulate in the jib at branch top, install in the hoist of the one end tip of jib, the roating seat is still including locating on the seat body and one end insert locate locking piece in the branch, wear to locate in the locking piece and threaded connection in bolt, threaded connection in the branch bolt and be located the locking piece is kept away from the first nut of branch one side.

Further preferably, the locking piece includes integrated into one piece's montant and horizontal pole, the montant is kept away from the one end of horizontal pole with the seat body is connected, the horizontal pole is kept away from the one end of montant is inserted and is located in the branch.

Further preferably, the hoisting mechanism further comprises a plurality of hoisting rings arranged at the bottom of the hoisting rod at intervals along the length direction of the hoisting rod, and the hoisting device is selectively connected to one of the hoisting rings.

Preferably, the hanger rod comprises a first rod body, a second rod body which is inserted into the first rod body in a telescopic manner, a first positioning hole which is formed in the first rod body, at least two second positioning holes which are formed in the second rod body, and positioning pins which are used for sequentially penetrating through the first positioning hole and one of the second positioning holes.

Further preferably, the hoisting mechanism further comprises a take-up pulley rotatably connected to the support rod, a cord with one end connected to the take-up pulley and capable of being wound on the take-up pulley, and a hook arranged at the other end of the cord, wherein a rotation axis of the take-up pulley extends along the horizontal direction and is perpendicular to the length direction of the hanger rod, and the hook is used for being connected with one end of the hanger rod, which is not provided with the hanger.

Preferably, the hoisting mechanism further comprises a take-up stand arranged on the support rod, and a handle which is rotatably arranged on the take-up stand and used for driving the take-up pulley to rotate, wherein the take-up pulley is rotatably arranged on the take-up stand.

Further preferably, the top of the suspension cage is provided with a driving frame for mounting the driving assembly, the hoisting mechanism further comprises a supporting frame arranged on the supporting rod, and the supporting frame extends towards the direction far away from the supporting rod and is lapped on the driving frame.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the hoisting mechanism of the utility model is provided with the trigger wheel and the interlocking switch which can eccentrically rotate, in the eccentric rotation process of the trigger wheel, the end surface of the trigger wheel close to the interlocking switch can respectively abut against the interlocking switch or be separated from the interlocking switch, so that when the hoisting mechanism works, the trigger wheel can be rotated to a position which can abut against the interlocking switch, at the moment, the interlocking switch is triggered, and the construction lifter can not run; and when hoisting machine constructs out of work, and when construction elevator need go up and down, can rotate the position that breaks away from interlock switch with triggering the wheel, interlock switch was not triggered this moment, and construction elevator can normal operating, so, neither influence the lift of construction elevator, avoided the potential safety hazard again.

Drawings

Fig. 1 is a schematic diagram of the relative positions of a hoisting mechanism and a cage in the embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic diagram of the triggering principle of the triggering wheel and the interlock switch in the embodiment of the present invention;

fig. 4 is a schematic structural view of a hoisting mechanism in the embodiment of the present invention;

fig. 5 is an enlarged schematic view of B in fig. 4.

In the figure: 1. a rotating base; 1a, a seat body; 1b, a rotating shaft; 1c, a trigger wheel; 1c1, recess; 1d, a locking piece; 1d1, vertical bar; 1d2, cross bar; 1e, a bolt; 1f, a first nut; 2. hoisting the assembly; 2a, a support rod; 2b, a suspender; 2b1, a first rod; 2b2, a second rod; 2b3, first locating hole; 2b4, locating pins; 2c, a lifting appliance; 3. a hoisting ring; 4. a take-up pulley; 5. a cord; 6. hooking; 7. a take-up stand; 8. a handle; 9. a support frame; 10. a second nut; 11. a bearing; 12. a seal ring; 13. hooping;

31. a suspension cage; 31a, an interlock switch; 31a1, switch body; 31a2, link; 31a3, switch wheel; 32. a drive assembly; 32a and a driving frame.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to an improvement to the hoisting machine of standard festival constructs. In the improved hoisting mechanism, the trigger wheel 1c and the interlocking switch 31a which can eccentrically rotate are arranged, in the eccentric rotation process of the trigger wheel 1c, the end face, close to the interlocking switch 31a, of the trigger wheel 1c can respectively abut against the interlocking switch 31a or be separated from the interlocking switch 31a, so that when the hoisting mechanism works, the trigger wheel 1c can be rotated to a position where the trigger wheel can abut against the interlocking switch 31a, at the moment, the interlocking switch 31a is triggered, and the construction elevator cannot run; when the hoisting mechanism does not work and the construction elevator needs to be lifted, the trigger wheel 1c can be rotated to a position separated from the interlocking switch 31a, the interlocking switch 31a is not triggered at the moment, and the construction elevator can normally run, so that the lifting of the construction elevator is not influenced, and the potential safety hazard is avoided.

Referring to fig. 1-5, a standard knot hoisting mechanism for a construction hoist is shown, where the construction hoist includes a guide rail frame, a lifting cage 31 disposed on the guide rail frame and a driving component 32 for driving the lifting cage 31 to lift, the hoisting mechanism includes a rotating base 1 rotatably disposed at the top of the cage 31 around a vertical direction, and a hoisting component 2 disposed on the rotating base 1, the rotating base 1 includes a base body 1a, a rotating shaft 1b disposed at the bottom of the base body 1a and downwardly inserted into the cage 31, a trigger wheel 1c sleeved at the lower end of the rotating shaft 1b and capable of eccentrically rotating along with the rotating shaft 1b, an interlock switch 31a for controlling the on-off of an operation loop of the construction hoist is disposed in the cage 31, and the interlock switch 31a is disposed on one side of the rotating shaft 1b and is disposed on the same horizontal plane as the trigger wheel 1 c. Here, the top of the suspension cage 31 is provided with a mounting hole, the rotating shaft 1b can be inserted into the mounting hole and mounted, and is firmly connected with the top of the suspension cage 31 by a bolt 1e and a nut, and waterproof glue is applied to prevent water seepage; a second nut 10 for fixing the trigger wheel 1c is provided at the lower part of the trigger wheel 1 c.

As shown in fig. 2 and fig. 5, the trigger wheel 1c has at least one first position and one second position during the eccentric rotation, when the trigger wheel 1c rotates to the first position, one end of the trigger wheel 1c close to the interlock switch 31a is abutted against the interlock switch 31a, the interlock switch 31a is triggered, and the operation circuit is disconnected; when the trigger wheel 1c rotates to the second position, one end of the trigger wheel 1c close to the interlock switch 31a is separated from the interlock switch 31a, the interlock switch 31a is not triggered, and the operation circuit is in a connected state.

In this example, the rotation center of the trigger wheel 1c is not consistent with the physical center position thereof, so that the trigger wheel can rotate eccentrically, and in the rotating process, when the trigger wheel is at the first position and the second position, the distance between one end part close to the interlocking switch 31a and the rotation center thereof is not consistent, so that through the corresponding design of the size parameters of the trigger wheel 1c, the trigger wheel 1c can respectively abut against the interlocking switch 31a or separate from the interlocking switch 31a at the first position and the second position, so as to realize the interlocking control of the operation state of the construction hoist.

Specifically, as shown in fig. 3, the trigger wheel 1c is a cam, and has at least one recess 1c1 recessed inward along the radial direction on the circumferential end surface of the trigger wheel 1c, the interlock switch 31a has a switch body 31a1, a link 31a2 hinged to the switch body 31a1, and a switch wheel 31a3 rotatably provided at the end of the link 31a2, and when the trigger wheel 1c is in the second position, the switch wheel 31a3 is received in the groove of the recess 1c 1; when the trigger wheel 1c is in the first position, at least one of the remaining end faces of the trigger wheel 1c abuts the switch wheel 31a3 and presses the switch wheel 31a3 against the switch body 31a 1. Thus, when the construction hoist is used, if the cage 31 needs to be lifted, the trigger wheel 1c is rotated to the second position, and at the moment, the switch wheel 31a3 is positioned in the concave part 1c1 and does not collide with the trigger wheel 1c, so that the running loop of the construction hoist is still in a connected state and can be lifted freely; when the hoisting mechanism needs to work, the trigger wheel 1c is rotated, so that the switch wheel 31a3 is separated from the concave part 1c1 and is abutted against the rest end face of the trigger wheel 1c, at least one first position of the trigger wheel 1c can press the switch wheel 31a3 against the switch body 31a1, and the interlocking switch 31a can be triggered to disconnect the running loop of the construction hoist. Here, the provision of the switch wheel 31a3 can make the switching of the trigger wheel 1c between the first position and the second position smoother.

Further, the hoisting mechanism has a working state and a non-working state, and when the hoisting mechanism is in the working state, the trigger wheel 1c is in the first position; when the hoisting mechanism is in a non-working state, the trigger wheel 1c is in a second position. Like this, the state of hoisting machine constructs and the position of trigger wheel 1c is corresponded for construct the lift and do not operate at hoisting machine during operation, construct the lift normal operating when the lift of construction is out of work, the effectual potential safety hazard of having avoided.

In this embodiment, as shown in fig. 1-2, a bearing 11 is further sleeved on the rotating shaft 1b, and a sealing ring 12 is further disposed between the bearing 11 and the suspension cage 31.

The hoisting assembly 2 comprises a supporting rod 2a arranged on the rotating seat 1 and extending upwards, a hoisting rod 2b hinged to the top of the supporting rod 2a, and a hoisting tool 2c arranged at one end of the hoisting rod 2b, wherein the hoisting tool 2c is a loop chain electric hoist.

Further, as shown in fig. 1-2 and fig. 4-5, the rotating base 1 further includes a locking member 1d disposed on the base body 1a and having one end inserted into the supporting rod 2a, a bolt 1e penetrating through the locking member 1d and being screwed into the supporting rod 2a, and a first nut 1f screwed onto the bolt 1e and located on one side of the locking member 1d away from the supporting rod 2a, the locking member 1d includes an integrally formed vertical rod 1d1 and a horizontal rod 1d2, one end of the vertical rod 1d1 away from the horizontal rod 1d2 is connected to the base body 1a, and one end of the horizontal rod 1d2 away from the vertical rod 1d1 is inserted into the supporting rod 2 a. Through the setting of locking piece 1d and bolt 1e, realize the fixed of the upright position of branch 2a, guarantee that branch 2a and cage 31 are connected firmly.

In this example, the hoisting mechanism further comprises a plurality of hoisting rings 3 arranged at intervals along the length direction of the boom 2b at the bottom of the boom 2b, and the hoist 2c is selectively connected to one of the hoisting rings 3. Therefore, the hoisting mechanism can be suitable for hoisting standard knots with different distances, and is wider in application range.

Preferably, as shown in fig. 1 and 4, the suspension rod 2b includes a first rod 2b1, a second rod 2b2 telescopically inserted into the first rod 2b1, a first positioning hole 2b3 opened on the first rod 2b1, at least two second positioning holes opened on the second rod 2b2, and a positioning pin 2b4 for sequentially penetrating through the first positioning hole 2b3 and one of the second positioning holes. Like this, can realize the flexible of jib 2b for this hoisting machine constructs the hoist and mount that can be applicable to more standard festivals of different distances, has further enlarged application scope. Specifically, through the sliding and telescoping of the second rod 2b2 in the first rod 2b1, the second positioning hole at different positions can correspond to the first positioning hole 2b3 in the sliding process of the second rod 2b2, and is positioned by the positioning pin 2b4, so as to realize the adjustment of the length of the suspender 2 b.

In this embodiment, hoisting machine constructs still including locating take-up reel 7 on branch 2a, rotatable take-up pulley 4 on locating take-up reel 7, rotatable being used for on locating take-up reel 7 drives take-up pulley 4 pivoted handle 8, one end is connected with take-up pulley 4 and can twine cotton rope 5 on take-up pulley 4, locate the couple 6 of the 5 other ends of cotton rope, the axis of rotation of take-up pulley 4 extends along the horizontal direction and is mutually perpendicular with the length direction of jib 2b, couple 6 is used for being connected with the one end that jib 2b did not install hoist 2 c. The wire rope 5 is a steel wire rope, and the handle 8 drives the take-up pulley 4 to rotate through a conventional transmission mechanism. The winding and unwinding of the wire rope 5 by the take-up pulley 4 are realized by rotating the handle 8, so that the height position of the lifting appliance 2c can be changed, the application range of lifting is further expanded by matching with the telescopic suspender 2b, and the matching goodness of matching of lifting is high; meanwhile, when the lifting appliance 2c is not used, the folding of the suspender 2b can be realized by winding and unwinding the wire rope 5.

In this embodiment, the top of the suspension cage 31 is provided with a driving frame 32a for mounting the driving assembly 32, the hoisting mechanism further comprises a supporting frame 9 arranged on the supporting rod 2a, and the supporting frame 9 extends towards the direction away from the supporting rod 2a and is overlapped on the driving frame 32 a. Therefore, the stability of the rotation of the supporting rod 2a during hoisting is ensured. Furthermore, be equipped with staple bolt 13 on the support frame 9 to fasten support frame 9 on branch 2a through bolt 1e nut, when branch 2a needs to rotate, only need loosen the nut, branch 2a can be at 13 internal rotations of staple bolt, do not influence the support of support frame 9.

The hoisting mechanism in the embodiment adopts block type assembly during installation, is light and simple to disassemble and assemble, and is convenient to transport.

The following details the installation and operation of the present embodiment:

when the device is installed, the rotating seat 1 is installed in a corresponding installation hole of the suspension cage 31 and is firmly connected with the top of the suspension cage 31 through bolts 1e and nuts, and waterproof glue is applied to prevent water seepage; then, mounting structures such as a take-up reel 7, a take-up pulley 4, a thread rope 5 and the like on the support rod 2a, and hinging the assembled suspender 2b on the support rod 2a and folding; then, the lower end of the support rod 2a is inserted into the rotary seat 1 and firmly fixed, the support frame 9 is arranged on the support rod 2a and supported on the driving frame 32a, and the lifting appliance 2c is hung on the suspension rod 2 b; finally, the positions of the trigger wheel 1c and the interlock switch 31a are adjusted in place in the cage 31.

When the lifting mechanism works, the supporting rod 2a is rotated to enable the lifting appliance 2c to face the guide rail frame, the trigger wheel 1c is abutted against the interlocking switch 31a at the moment, the construction lifter does not run, and the lifting mechanism can be safely run at the moment to realize the lifting of the standard knot; when not working, the supporting rod 2a is rotated, one end of the suspender 2b, which is not provided with the lifting appliance 2c, faces the guide rail frame, the trigger wheel 1c is separated from the interlocking switch 31a, the construction lifter can normally run, and the lifting appliance 2c cannot be involved in the construction lifter.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a standard festival hoisting machine constructs for construction elevator, construction elevator includes locating of guide rail frame, liftable cage on the guide rail frame and being used for the drive assembly that cage goes up and down, its characterized in that: the hoisting mechanism comprises a rotating seat and a hoisting assembly, the rotating seat is rotatably arranged at the top of the suspension cage in the vertical direction, the hoisting assembly is arranged on the rotating seat, the rotating seat comprises a seat body, a rotating shaft and a trigger wheel, the rotating shaft is arranged at the bottom of the seat body and is downwards inserted into the suspension cage, the trigger wheel is sleeved at the lower end part of the rotating shaft and can eccentrically rotate along with the rotating shaft, an interlocking switch used for controlling the on-off of an operation loop of the construction hoist is arranged in the suspension cage, and the interlocking switch is positioned on one side of the rotating shaft and is positioned on the same horizontal plane with the trigger wheel;

2. The standard knot hoisting mechanism for the construction hoist of claim 1, characterized in that: the side end face of the periphery of the trigger wheel is provided with at least one sunken part which is inwards sunken along the radial direction of the trigger wheel, the interlocking switch is provided with a switch body, a connecting rod hinged on the switch body and a switch wheel rotatably arranged at the end part of the connecting rod, and when the trigger wheel is positioned at the second position, the switch wheel is accommodated in the groove of the sunken part; when the trigger wheel is located at the first position, at least one of the other end surfaces of the trigger wheel is abutted against the switch wheel and presses the switch wheel against the switch body.

3. The standard knot hoisting mechanism for the construction hoist of claim 1, characterized in that: the hoisting mechanism is in a working state and a non-working state, and when the hoisting mechanism is in the working state, the trigger wheel is in a first position; when the hoisting mechanism is in a non-working state, the trigger wheel is in a second position.

4. The standard knot hoisting mechanism for the construction hoist of claim 1, characterized in that: the hoisting assembly comprises a support rod arranged on the rotary seat and extending upwards, a lifting rod hinged to the top of the support rod, and a lifting appliance arranged at the end part of one end of the lifting rod, the rotary seat further comprises a locking piece arranged on the seat body and one end of the locking piece is inserted into the support rod, the locking piece is arranged in the support rod in a penetrating mode, the locking piece is connected with a bolt and a screw thread in the support rod, the bolt is connected with the bolt, and the locking piece is located far away from a first nut on one side of the support rod.

5. The standard knot hoisting mechanism for the construction hoist of claim 4, characterized in that: the locking piece includes integrated into one piece's montant and horizontal pole, the montant is kept away from the one end of horizontal pole with the seat body is connected, the horizontal pole is kept away from the one end of montant is inserted and is located in the branch.

6. The standard knot hoisting mechanism for the construction hoist of claim 4, characterized in that: the hoisting mechanism further comprises a plurality of hoisting rings arranged at the bottom of the hoisting rod at intervals along the length direction of the hoisting rod, and the hoisting device is selectively connected to one of the hoisting rings.

7. The standard knot hoisting mechanism for the construction hoist of claim 4, characterized in that: the suspender comprises a first rod body, a second rod body which is inserted into the first rod body in a telescopic manner, a first positioning hole which is arranged on the first rod body, at least two second positioning holes which are arranged on the second rod body, and a positioning pin which is used for sequentially penetrating through the first positioning hole and one of the second positioning holes.

8. The standard knot hoisting mechanism for the construction hoist of claim 4, characterized in that: the hoisting mechanism further comprises a take-up pulley rotatably connected to the support rod, a rope with one end connected with the take-up pulley and capable of being wound on the take-up pulley, and a hook arranged at the other end of the rope, wherein the rotating axis of the take-up pulley extends along the horizontal direction and is perpendicular to the length direction of the hanger rod, and the hook is used for being connected with one end of the hanger rod, which is not provided with the hanger.

9. The standard knot hoisting mechanism for the construction hoist of claim 8, characterized in that: the hoisting mechanism further comprises a take-up stand arranged on the supporting rod, and a handle which is rotatably arranged on the take-up stand and used for driving the take-up pulley to rotate, wherein the take-up pulley is rotatably arranged on the take-up stand.

10. The standard knot hoisting mechanism for the construction hoist of claim 4, characterized in that: the lifting cage top is equipped with and is used for the installation drive assembly's drive frame, hoisting machine constructs still including locating support frame on the branch, the support frame is towards keeping away from the direction of branch extends and the overlap joint is in on the drive frame.