CN221093372U - Annular chain overhead hoist - Google Patents
Annular chain overhead hoist Download PDFInfo
- Publication number
- CN221093372U CN221093372U CN202322507851.2U CN202322507851U CN221093372U CN 221093372 U CN221093372 U CN 221093372U CN 202322507851 U CN202322507851 U CN 202322507851U CN 221093372 U CN221093372 U CN 221093372U
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- frame
- fixedly connected
- gear
- annular chain
- winding shafts
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 210000000078 claw Anatomy 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model relates to an annular chain lifting device which comprises a frame and a lifting ring fixedly connected to the frame, wherein a plurality of winding shafts are rotatably connected to the frame, the winding shafts are connected through gear transmission, a reciprocating screw rod which is arranged in parallel with the winding shafts and rotatably connected to the frame is connected to the winding shafts in a transmission manner, a guide block which is matched with an annular chain is connected to the reciprocating screw rod in a threaded manner, a guide rod is fixedly connected to the frame, the guide block is in sliding connection with the guide rod, the annular chain lifting device further comprises a handle which is connected with the winding shafts in a transmission manner and a fixing device which is fixedly connected to the winding shafts, the fixing device comprises a fixing block fixedly connected to the winding shafts, a limiting claw is connected to the fixing block in a sliding manner, the limiting claw extends to the frame, a stretching rod is fixedly connected to the limiting claw, and a spring is sleeved on the stretching rod; the utility model can hoist the annular chain, and the hoisting process is convenient and safe, and the abrasion to the annular chain is small.
Description
Technical Field
The utility model relates to the field of chains, in particular to the field of chain transportation, and particularly relates to an annular chain lifting device.
Background
The annular chain is also called an annular chain, is mainly used as a mining annular chain, a marine anchor chain, a bucket type lifting chain, a binding chain, a protection chain and the like, is widely applied to the fields of mines, cement, ships, channels, wharfs, transportation and the like, and the annular chain is increasingly required along with the rapid development of national economy.
After the annular chain processing is finished, people need to transport the annular chain to a storage place, at present, the annular chain can be lifted by ropes or transported by transport vehicles, the transport vehicles can transport on the ground, the transport vehicles can be blocked by sundries on the ground in many times, the annular chain can swing in the air along with the movement of the ropes in the process of lifting the annular chain, and the annular chain is unsafe, if one end of the annular chain is lifted by dragging on the ground, so that the safety is improved, but the annular chain is worn.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the annular chain lifting device which can lift the annular chain, and the lifting process is convenient and safe, and the annular chain is less in abrasion.
The utility model is realized by the following technical scheme, and provides an annular chain lifting device which comprises a frame and a lifting ring fixedly connected to the frame, wherein a plurality of winding shafts are rotatably connected to the frame, the winding shafts are connected through gear transmission, a reciprocating screw rod which is arranged in parallel with the winding shafts and is rotatably connected to the frame is connected to the winding shafts in a transmission manner, a guide block which is matched with an annular chain is connected to the reciprocating screw rod in a threaded manner, a guide rod is fixedly connected to the frame, the guide block is in sliding connection with the guide rod, and the annular chain lifting device further comprises a handle which is in transmission connection with the winding shafts and a fixing device fixedly connected to the winding shafts.
According to the utility model, the hanging ring is connected with the frame through the hanging ring, the frame can be hung up, the annular chain is wound through the winding shafts, the winding shafts are arranged for transmission, the synchronous winding of the annular chain can be realized, the head end of the annular chain is fixed through the fixing device, the winding shafts can be rotated through the handle, the annular chain passes through the guide block to be wound on the winding shafts, the guide block can reciprocate on the reciprocating screw rod, the annular chain can be pulled to complete layer-by-layer winding, and the guide rod can ensure that the wire block moves left and right on the reciprocating screw rod.
As optimization, fixing device includes the rigid coupling at epaxial fixed block, sliding connection has the spacing claw on the fixed block, and the spacing claw extends to the frame, the rigid coupling has the stretch rod of extension about on the spacing claw, stretch rod and fixed block sliding connection, the cover is equipped with the spring on the stretch rod, the spring extends to the right-hand member of fixed block from the right-hand member face of spacing claw. The setting of this optimization scheme can stimulate the stretching rod, makes the spacing claw keep away from the frame, establishes the head end cover of annular chain on the spacing claw, loosens the stretching rod, and the spring makes the spacing claw hug closely the frame once more, accomplishes the fixed to the head end of annular chain.
As optimization, the hanging ring comprises a connecting ring and a plurality of connecting chains, wherein the connecting chains are fixedly connected to the upper end face of the frame, and the connecting ring is fixedly connected with the frame through the connecting chains. The setting of this optimizing scheme is convenient to hang this device on driving or other equipment.
As optimization, a third gear is fixedly connected to the handle, a second gear is fixedly connected to the winding shaft, the second gear is meshed with the third gear, and the diameter of the second gear is larger than that of the third gear. The setting of this optimizing scheme can make the workman more laborsaving when rotating the handle.
As optimization, the rack is fixedly connected with a hook. The setting of this optimization scheme conveniently fixes the afterbody of annular chain.
As optimization, the third gear is fixedly connected with a connecting shaft, the connecting shaft extends out of the frame, and the handle is detachably connected with the connecting shaft. The setting of this optimizing scheme can replace the handle, makes the connecting axle connect the motor, utilizes the motor to provide power.
As optimization, the connecting chains are provided with four connecting chains which are respectively fixedly connected with four corners of the frame. The setting of this optimizing scheme, when handling this device, make the frame more stable safety.
The beneficial effects of the utility model are as follows: the lifting ring is connected with the frame, the lifting ring can be connected with a travelling crane or other equipment, the frame is lifted, four connecting chains are arranged, the frame is more stable and safer in lifting procedures, a plurality of winding shafts which are connected together through a plurality of transmissions are arranged, a plurality of annular chains can be synchronously wound, the winding shafts can be manually rotated through handles, and a motor can be replaced.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view at A of FIG. 1;
FIG. 3 is a schematic diagram of the connection at B in FIG. 1;
FIG. 4 is a schematic diagram of the connection of the reciprocating screw to the spool;
FIG. 5 is a cross-sectional view of the structure of the fixing device;
The figure shows:
1. The device comprises a frame, 2, a connecting chain, 3, a connecting ring, 4, a winding shaft, 41, a first gear, 42, a belt pulley, 43, a second gear, 44, a third gear, 5, a reciprocating screw rod, 6, a guide rod, 7, a guide block, 8, a fixing device, 81, a fixing block, 82, a limiting claw, 83, a sliding plate, 84, a stretching rod, 85, a spring, 9, a hook, 10 and a handle.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The utility model discloses an annular chain lifting device, which is shown in figures 1-5, and comprises a frame 1 and a lifting ring fixedly connected to the frame 1, wherein the lifting ring comprises a connecting ring 3 and a plurality of connecting chains 2, the connecting ring 3 is in a ring shape, hooks of a crane or other equipment can penetrate through the connecting ring to lift the frame, the connecting chains 2 are annular chains, the connecting chains 2 are fixedly connected to the upper end face of the frame, the connecting chains 2 are provided with four connecting chains, the four connecting chains are respectively fixedly connected to four corners of the frame 1, the connecting ring 3 is fixedly connected with the frame 1 through the connecting chains 2, and the four connecting chains 2 are fixedly connected to the connecting ring 3.
The machine frame 1 is rotatably connected with a plurality of winding shafts 4, the winding shafts 4 extend along the left-right direction, the winding shafts 4 are connected through gear transmission, the left ends of the winding shafts 4 are fixedly connected with first gears 41, the winding shafts 4 are provided with two, and the first gears 41 of the two winding shafts 4 are meshed with each other.
The reciprocating screw rod 5 which is connected on the frame 1 in parallel with the winding shaft 4 in a transmission manner is connected with the winding shaft 4, the reciprocating screw rod 5 is in the prior art, the reciprocating screw rod 5 is provided with two thread grooves with the same thread pitch and opposite rotation directions, two ends of the reciprocating screw rod 5 are connected through an excessive curve, the reciprocating screw rod 5 can enable the guide block 7 to realize reciprocating motion under the premise of not changing the rotation direction of the winding shaft 4, and the reciprocating screw rod 5 is respectively positioned at the front lower part of the winding shaft 4 at the front end and the rear lower part of the winding shaft 4 at the rear end.
The left end of the reciprocating screw rod 5 and the left end of the winding shaft 4 are fixedly connected with belt wheels 42, the two belt wheels 42 are driven by a synchronous belt, and the synchronous belt is meshed with the belt wheels 42, so that the reciprocating screw rod 5 is in driving connection with the winding shaft 4.
The guide block 7 matched with the annular chain is connected to the thread on the reciprocating screw rod 5, the rectangular groove is formed in the guide block 7, the annular chain can pass through the rectangular groove, the guide rod 6 is fixedly connected to the frame, the guide rod 6 extends along the left-right direction, a through hole extending left and right is formed in the guide block 7, the guide rod 6 passes through the through hole, and the guide block 7 is in sliding connection with the guide rod 6.
The reciprocating screw rod 5 is driven to rotate by rotating around the shaft 4, and the guide block can move on the reciprocating screw rod 5 through the limit of the guide rod 6, so that the annular chain is driven to wind at different positions around the shaft 4, and when the guide block 7 reaches the right end of the reciprocating screw rod, the guide block starts to move leftwards at an excessive curve to drive the annular chain to wind a second layer.
The embodiment further comprises a handle 10 in transmission connection with the winding shaft 4, a third gear 44 is connected to the handle, a second gear 43 is fixedly connected to the winding shaft, the second gear 43 is meshed with the third gear 44, the diameter of the second gear 43 is larger than that of the third gear 44, a connecting shaft is fixedly connected to the third gear 44, the connecting shaft extends out of the frame, the handle 10 is detachably connected with the connecting shaft, a motor fixing seat is arranged below the connecting shaft and fixedly connected with the frame 1, and whether the connecting shaft is connected with the handle or the motor can be selected according to requirements.
The embodiment further comprises a fixing device 8 fixedly connected to the winding shaft 4, a hook 9 is fixedly connected to the frame, the hook 9 is located above the right side of the winding shaft 4, the hook 9 can fix the tail end of the annular chain, the fixing device comprises a fixing block 81 fixedly connected to the winding shaft 4, the fixing block 81 is fixed to the left end of the winding shaft 4, a limiting claw 82 is connected to the fixing block in a sliding mode, and the limiting claw 82 extends to the frame 1.
The limiting claw 82 comprises a transverse plate and a vertical plate, the transverse plate extends to the frame 1 along the left-right direction, the right end of the transverse plate is fixedly connected with the vertical plate, the side face of the vertical plate is fixedly connected with a sliding plate 83, a sliding groove for the sliding plate 83 to slide is formed in the fixed block 81, and the limiting claw 82 is in sliding connection with the fixed block 81 through the sliding plate 83.
The limiting claw 82 is fixedly connected with a stretching rod 84 which extends left and right, the stretching rod 84 is in sliding connection with the fixed block 81, the stretching rod 81 extends rightwards to the right side of the fixed block 81, a spring 85 is sleeved on the stretching rod, the spring 85 extends along the left and right direction, and the spring extends from the right end face of the limiting claw 82 to the right end of the fixed block 81.
In the use process of the embodiment, the guide block 7 is firstly adjusted to the left end of the reciprocating screw rod 5, the annular chain passes through the guide block 7, the stretching rod 84 is pulled up, the stretching rod 84 drives the limiting claw 82 to move rightwards, the left end face of the limiting claw 82 leaves the frame 1, the head end of the annular chain is hung on the limiting claw 82, the stretching rod 84 is loosened, the limiting claw 82 is pressed close to the frame 1 again under the driving of the spring 85, the limitation of the head end of the annular chain is completed, the handle 10 is rotated, the handle 10 drives the third gear 44 to rotate, the third gear 44 is meshed with the second gear 43, so that the two winding shafts 4 are driven to rotate, the first gears 41 at the left ends of the two winding shafts 4 are meshed, the two winding shafts 4 are rotated differently, and the annular chain is conveniently wound from the front end and the rear end of the frame respectively.
The winding shaft 4 rotates and drives the reciprocating screw rod 5 to rotate through synchronous belt transmission, under the limit of the guide rod 6, the guide block 7 moves to the right through the thread groove of the reciprocating screw rod 5, the guide block 7 carries the annular chain to move to the right, the annular chain is uniformly wound on the winding shaft 4, when the guide block 7 reaches the right end of the guide rod 6, the guide block 7 starts to move to the left under the guidance of the thread groove of the reciprocating screw rod 5, the second layer winding of the annular chain is started, and the like, after the winding is completed, the position of the tail end of the annular chain is adjusted, and the tail end of the annular chain is hung on the hook 9.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (7)
1. An annular chain overhead hoist, its characterized in that: including frame (1) and rigid coupling rings on frame (1), rotate in the frame and be connected with a plurality of around axle (4), be connected through gear drive between around axle (4), around axle (4) transmission be connected with around axle (4) parallel arrangement's rotation connect reciprocating lead screw (5) on frame (1), threaded connection has guide block (7) with annular chain adaptation on the reciprocating lead screw, the rigid coupling has guide bar (6) in the frame, guide block (7) and guide bar (6) sliding connection still include handle (10) and fixing device (8) of rigid coupling on around axle (4) with around axle (4) transmission connection.
2. An endless chain hoist as in claim 1, wherein: the fixing device comprises a fixing block (81) fixedly connected to a winding shaft (4), a limiting claw (82) is connected to the fixing block in a sliding mode, the limiting claw (82) extends to the frame (1), a stretching rod (84) extending left and right is fixedly connected to the limiting claw, the stretching rod (84) is connected with the fixing block (81) in a sliding mode, a spring (85) is sleeved on the stretching rod, and the spring extends from the right end face of the limiting claw (82) to the right end of the fixing block (81).
3. An endless chain hoist as in claim 1, wherein: the lifting ring comprises a connecting ring (3) and a plurality of connecting chains (2), wherein the connecting chains (2) are fixedly connected to the upper end face of the frame, and the connecting ring (3) is fixedly connected with the frame (1) through the connecting chains (2).
4. An endless chain hoist as in claim 1, wherein: the handle is connected with a third gear (44), a second gear (43) is fixedly connected to the winding shaft, the second gear (43) is meshed with the third gear (44), and the diameter of the second gear (43) is larger than that of the third gear (44).
5. An endless chain hoist as in claim 1, wherein: the rack is fixedly connected with a hook (9).
6. An endless chain hoist as in claim 4, wherein: and a connecting shaft is fixedly connected to the third gear (44), extends out of the frame, and the handle (10) is detachably connected with the connecting shaft.
7. A ring chain hoist as claimed in claim 3, wherein: the four connecting chains (2) are respectively fixedly connected to four corners of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507851.2U CN221093372U (en) | 2023-09-15 | 2023-09-15 | Annular chain overhead hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507851.2U CN221093372U (en) | 2023-09-15 | 2023-09-15 | Annular chain overhead hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221093372U true CN221093372U (en) | 2024-06-07 |
Family
ID=91319725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322507851.2U Active CN221093372U (en) | 2023-09-15 | 2023-09-15 | Annular chain overhead hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221093372U (en) |
-
2023
- 2023-09-15 CN CN202322507851.2U patent/CN221093372U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |