CN212769679U - Stacker overload prevention device - Google Patents
Stacker overload prevention device Download PDFInfo
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- CN212769679U CN212769679U CN202021640038.2U CN202021640038U CN212769679U CN 212769679 U CN212769679 U CN 212769679U CN 202021640038 U CN202021640038 U CN 202021640038U CN 212769679 U CN212769679 U CN 212769679U
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Abstract
The utility model discloses an overload protection device for stacker relates to stacker, including the taut rope, the lower extreme of taut rope is fixed with the wire rope one end of hoist engine, and the upside of portal frame is fixed with the support frame, is provided with the elastic component on the support frame, and the elastic component upper limb frame is equipped with the overload protection piece, the taut overload protection piece in upper end of taut rope, is fixed with overload switch on the portal frame, overload switch and the linkage cooperation of overload protection piece. When the weight of the goods on the goods carrying platform exceeds the rated weight which can be borne by the goods carrying platform, the tensioning rope drives the anti-overloading block to move downwards, the force of the anti-overloading block on the spring exceeds the force which can be borne by the elastic piece, and the elastic piece deforms; at the moment, the overload prevention block slides downwards to trigger the overload switch and control the stacker to start and stop, so that the dangerous condition caused by falling of the cargo carrying platform is reduced.
Description
Technical Field
The utility model relates to a stacker especially relates to a stacker overload protection device.
Background
The stacker crane is also called a stacker, is the most important lifting and transporting equipment in the stereoscopic warehouse, and is a mark representing the characteristics of the stereoscopic warehouse. The stacking crane is mainly used for running back and forth in a channel of the stereoscopic warehouse, storing goods positioned at a lane crossing into a goods grid of a goods shelf, or taking out goods in the goods grid and conveying the goods to the lane crossing.
Referring to the attached drawing 1, the related art, a stacker mainly comprises a gantry 1, the gantry 1 mainly comprises an upright post 11 and a cross beam 12, the two ends of the upright post 11 in the length direction of the cross beam 12 are respectively provided with one, a cargo carrying platform 2 is arranged between the two upright posts 11, a winch 13 is fixed on the upright post 11, the winch 13 comprises a winding wheel 131, a steel wire rope is wound on the winding wheel 131, a lead wheel 14 is rotatably arranged on the cross beam 12, the cargo carrying platform 2 rotates to have a load wheel 21, the steel wire rope sequentially winds through the lead wheel 14 and the load wheel 21, and one end, away from the winding wheel 131, of the steel wire rope is fixed on the upper side of the gantry 1.
By adopting the scheme, in the application, the winch receives and releases the steel wire rope, so that the cargo carrying platform can be lifted and lowered in a reciprocating manner under the traction of the steel wire rope. When the weight of the goods borne on the goods carrying platform exceeds the rated weight which can be borne by the goods carrying platform, the steel wire rope is in a tight state, so that the situation that the steel wire rope is broken due to overlong tight time exists, the goods carrying platform falls, the goods are damaged, the danger degree is high, and the part to be improved exists.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims to provide a stacker overload protection device helps reducing the loading platform and falls and cause the dangerous condition to take place.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an overload prevention device of a stacker comprises a tensioning rope, wherein the lower end of the tensioning rope is fixed with one end of a steel wire rope of a winch, a support frame is fixed on the upper side of a portal frame, an elastic part is arranged on the support frame, an overload prevention block is erected on the upper side of the elastic part, the upper end of the tensioning rope tensions the overload prevention block, an overload switch is fixed on the portal frame, and the overload switch is in linkage fit with the overload prevention block; when the overload prevention block displaces downwards, the overload prevention block triggers the overload switch and enables the stacker to start and stop.
By adopting the technical scheme, when the weight of the goods on the goods carrying platform exceeds the rated weight which can be borne by the goods carrying platform, the tensioning rope drives the anti-overload block to move downwards, the force of the anti-overload block on the spring exceeds the force which can be borne by the elastic piece, and the elastic piece deforms; at the moment, the overload prevention block slides downwards to trigger the overload switch and control the stacker to start and stop, so that the dangerous condition caused by falling of the cargo carrying platform is reduced.
The utility model discloses further set up to: the elastic piece is set to be a high-pressure spring.
By adopting the technical scheme, the disc spring can bear a large load, and the spring is set to be the high-pressure spring, so that the stability of the spring is kept before the cargo carrying platform reaches the bearable rated weight; when the cargo carrying platform transships, the spring takes place to deform under the extrusion of anti-overloading piece to help guaranteeing the normal clear of the anti-overloading operation of cargo carrying platform.
The utility model discloses further set up to: the support frame, the elastic piece and the anti-overload block are arranged in the tensioning rope in a penetrating mode along the center lines of the anti-overload block and the high-pressure spring.
Through adopting above-mentioned technical scheme, wear to establish elastic component and overload prevention piece setting with the taut rope, help guaranteeing the stability of overload prevention piece and elastic component on the support frame.
The utility model discloses further set up to: the rope sleeve is fixedly sleeved on the tensioning rope and penetrates through the support frame, the elastic piece and the anti-overload block.
Through adopting above-mentioned technical scheme, wear to establish support frame, elastic component and overload prevention piece by the rope sleeve pipe, further guarantee the stability of overload prevention piece and elastic component on the support frame.
The utility model discloses further set up to: and the upper end of the rope sleeve is sleeved with an overload nut in a threaded manner, and the overload nut is positioned on the upper side of the overload prevention block and abuts against the overload prevention block.
Through adopting above-mentioned technical scheme, at rope sleeve pipe upper end threaded connection overload nut, help making things convenient for the operation of staff to overload device's installation.
The utility model discloses further set up to: the side wall of the overload prevention block is provided with a limit groove, the overload switch is a travel switch, and a contact of the travel switch is embedded into the limit groove.
By adopting the technical scheme, the contact of the travel switch is arranged in the limit groove of the overload prevention block, so that the overload block can timely trigger the travel switch when the stacker is overloaded, and the lifting motion of the cargo carrying platform can be timely braked.
The utility model discloses further set up to: the support frame is close to one side of anti-overloading piece and has seted up first step groove, the one end that anti-overloading piece is close to the support frame has seted up second step groove, high pressure spring's lower extreme embedding is at first step inslot, high pressure spring's upper end embedding is at second step inslot.
Through adopting above-mentioned technical scheme, with high-pressure spring's upside embedding first step inslot, with high-pressure spring's downside embedding in second step inslot, promote high-pressure spring and prevent the stability between overload piece and support frame.
The utility model discloses further set up to: an elastic washer is tightly propped between the overload prevention block and the overload nut.
Through adopting above-mentioned technical scheme, through supporting the elastic washer tightly between anti-overloading piece and overload nut, help promoting the stability that overload nut fixed on the rope sleeve pipe.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) by means of the cooperation of the overload prevention block, the elastic piece and the overload switch, the occurrence of dangerous situations caused by falling of the cargo carrying platform is reduced;
(2) support frame, anti-overload piece and spring are worn to establish through the taut rope to fixed the cover establishes the rope sleeve pipe on the taut rope, helps increasing the stability that anti-overload exerted pressure downwards to the spring.
Drawings
FIG. 1 is an axial view of a stacker embodying the overall structure of the prior art;
FIG. 2 is a schematic diagram mainly showing the structure of an overload protection device of a stacker in this embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2, mainly embodying the structure of an overload prevention block and an overload switch;
fig. 4 is a sectional view mainly showing the structure of the stacker overload prevention device in this embodiment.
Reference numerals: 1. a gantry; 11. a column; 12. a cross beam; 13. a winch; 131. a winding wheel; 14. a wire-leading wheel; 2. a cargo carrying platform; 21. a load wheel; 3. tensioning the rope; 31. a rope sleeve; 311. an overload nut; 312. an elastic washer; 4. a support frame; 41. a first step groove; 5. a high pressure spring; 6. an overload prevention block; 61. a second stepped groove; 62. a limiting groove; 7. and an overload switch.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
The embodiment of the application discloses stacker overload prevention device, see fig. 2, including taut rope 3, the lower extreme of taut rope 3 is fixed with hoist engine 13's wire rope one end, and the upside of portal frame 1 is fixed with support frame 4, is provided with the elastic component on support frame 4, and the elastic component is high-pressure spring 5, and high-pressure spring 5 is vertical setting. In this embodiment, the elastic member may be any one of an elastic rubber block, a disc spring, and the like. An overload prevention block 6 is arranged on the upper side frame of the high-voltage spring 5, the overload prevention block 6 is tensioned at the upper end of the tensioning rope 3, an overload switch 7 is fixed on the portal frame 1, and the overload switch 7 is in linkage fit with the overload prevention block 6. The overload switch 7 is connected with the general power supply of the stacker in a control mode, and in the implementation, the overload switch 7 can also be connected with any one of the winch 13 and an electric brake device of the stacker in a control mode.
When the steel wire rope drives the cargo carrying platform 2 to carry out lifting operation within the rated weight, the tensioning rope 3 tensions the overload prevention block 6 to continuously and stably apply pressure to the high-voltage spring 5, and the deformation of the high-voltage spring 5 cannot enable the overload prevention block 6 to trigger the overload switch 7; when the cargo carrying platform 2 is overloaded, the tensioning rope 3 drives the anti-overload block 6 to exert pressure on the high-voltage spring 5 downwards, the force of the anti-overload block 6 exceeds the force which can be borne by the high-voltage spring 5, the high-voltage spring 5 deforms, the anti-overload block 6 slides downwards at the moment to trigger the overload switch 7, and the main power supply of the stacker is controlled to be closed, so that the stacker stops running. When the overload switch 7 is connected with the winch 13, the overload switch 7 controls the on-off of the winch 13; when the overload switch 7 controls the electric brake device of the stacker, the overload switch 7 controls the electric brake device of the stacker to start.
Referring to fig. 3 and 4, a rope sleeve 31 is fixedly sleeved on the tensioning rope 3, the rope sleeve 31 sequentially penetrates through the support frame 4, the high-voltage spring 5 and the overload prevention block 6 from bottom to top, and the high-voltage spring 5 is coaxial with the rope sleeve 31. The upper end of the rope sleeve 31 is threaded and sleeved with an overload nut 311, the overload nut 311 is positioned on the upper side of the overload prevention block 6 and tightly abuts against the overload prevention block 6, and an elastic washer 312 is tightly abutted between the overload prevention block 6 and the overload nut 311. For guaranteeing high pressure spring 5's stability, first step groove 41 has been seted up to one side that support frame 4 is close to anti-overload piece 6, and second step groove 61 has been seted up to one side that anti-overload piece 6 is close to support frame 4, and both ends imbed respectively in first step groove 41 and the second step groove 61 about high pressure spring 5.
In practical application, the rope sleeve 31 sequentially penetrates through the support frame 4, the high-voltage spring 5 and the overload prevention block 6, the rope sleeve 31 gives a pulling force to the overload nut 311, the pulling force vertically acts on the overload prevention block 6, and the pulling force is vertically transmitted to the high-voltage spring 5; meanwhile, the upper end and the lower end of the high-pressure spring 5 are respectively embedded into the first step groove 41 and the second step groove 61, so that the running stability of the overload protection device of the stacker is greatly improved.
The overload prevention block 6 is provided with a limit groove 62 around the circumferential direction, the overload switch 7 is a travel switch, and a contact of the travel switch is inserted into the limit groove 62. In this embodiment, the overload switch 7 may also be an infrared switch.
The implementation principle of the above embodiment is as follows: when the steel wire rope drives the cargo carrying platform 2 to carry out lifting operation within the rated weight, the tensioning rope 3 tensions the overload prevention block 6 to continuously and stably apply pressure to the high-voltage spring 5, and the deformation of the high-voltage spring 5 can not enable the overload prevention block 6 to trigger the travel switch; when the cargo carrying platform 2 is overloaded, the force of the tensioning rope 3 driving the overload prevention block 6 to press the high-pressure spring 5 downwards exceeds the force which can be borne by the high-pressure spring 5, and the high-pressure spring 5 deforms for a long distance; at the moment, the overload prevention block 6 slides downwards to trigger a travel switch, and a switch is formed to control the main power supply of the stacker to be closed, so that the stacker stops running.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The stacker overload prevention device is characterized by comprising a tension rope (3), wherein the lower end of the tension rope (3) is fixed with one end of a steel wire rope of a winch (13), a support frame (4) is fixed on the upper side of a portal frame (1), an elastic part is arranged on the support frame (4), an overload prevention block (6) is arranged on the upper side frame of the elastic part, the overload prevention block (6) is tensioned at the upper end of the tension rope (3), an overload switch (7) is fixed on the portal frame (1), and the overload switch (7) is in linkage fit with the overload prevention block (6);
when the overload prevention block (6) is displaced downwards, the overload prevention block (6) triggers the overload switch (7) and enables the stacker to start and stop.
2. An overload prevention device according to claim 1, characterised in that the resilient member is provided as a high pressure spring (5).
3. The stacker overload prevention apparatus according to claim 1, wherein the tension rope (3) penetrates the support frame (4), the elastic member and the overload prevention block (6) along the center lines of the overload prevention block (6) and the high-pressure spring (5).
4. The stacker overload prevention device according to claim 1, wherein a rope sleeve (31) is fixedly sleeved on the tensioning rope (3), and the rope sleeve (31) penetrates through the support frame (4), the elastic member and the overload prevention block (6).
5. The stacker overload prevention apparatus according to claim 4, wherein the upper end of the rope sleeve (31) is threaded and sleeved with an overload nut (311), and the overload nut (311) is located on the upper side of the overload prevention block (6) and abuts against the overload prevention block (6).
6. The stacker overload prevention device according to claim 1, wherein a limit groove (62) is formed in a side wall of the overload prevention block (6), the overload switch (7) is a travel switch, and a contact of the travel switch is embedded in the limit groove (62).
7. The stacker overload prevention device according to claim 2, wherein a first stepped groove (41) is formed in one side, close to the overload prevention block (6), of the support frame (4), a second stepped groove (61) is formed in one end, close to the support frame (4), of the overload prevention block (6), the lower end of the high-pressure spring (5) is embedded in the first stepped groove (41), and the upper end of the high-pressure spring (5) is embedded in the second stepped groove (61).
8. The stacker overload prevention apparatus according to claim 5, wherein an elastic washer (312) is tightly pressed between the overload prevention block (6) and the overload nut (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640038.2U CN212769679U (en) | 2020-08-07 | 2020-08-07 | Stacker overload prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640038.2U CN212769679U (en) | 2020-08-07 | 2020-08-07 | Stacker overload prevention device |
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| Publication Number | Publication Date |
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| CN212769679U true CN212769679U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021640038.2U Active CN212769679U (en) | 2020-08-07 | 2020-08-07 | Stacker overload prevention device |
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| CN (1) | CN212769679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109620A1 (en) * | 2021-12-14 | 2023-06-22 | 萨驰智能装备股份有限公司 | Stacker |
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2020
- 2020-08-07 CN CN202021640038.2U patent/CN212769679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109620A1 (en) * | 2021-12-14 | 2023-06-22 | 萨驰智能装备股份有限公司 | Stacker |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: 215000 Room 101, building 3, No. 88, chenmenjing Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: Taicang Tongsheng Industrial Automation Co.,Ltd. Address before: 201800 room 1707, No.5, Lane 31, Jiatong Road, Jiading District, Shanghai Patentee before: SHANGHAI TUNGRAY ELECTRIC MACHINE Co.,Ltd. |