CN212450442U - Heavy type lifting machine with guiding and locking functions - Google Patents
Heavy type lifting machine with guiding and locking functions Download PDFInfo
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- CN212450442U CN212450442U CN202021214426.4U CN202021214426U CN212450442U CN 212450442 U CN212450442 U CN 212450442U CN 202021214426 U CN202021214426 U CN 202021214426U CN 212450442 U CN212450442 U CN 212450442U
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- guiding
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Abstract
The utility model discloses a heavy lifting machine with direction and locking function, including bearing frame, last hoist mechanism, guiding mechanism and the locking mechanical system of fixed connection on bearing frame that is equipped with of bearing frame still includes the cargo carrying platform through guiding mechanism and bearing frame sliding connection, and cargo carrying platform reciprocates in bearing frame through hoist mechanism, and cargo carrying platform passes through the locking mechanical system locking on bearing frame. The utility model discloses a last hoist mechanism, the locking mechanical system of guiding mechanism and fixed connection on bearing frame that is equipped with of bearing frame still includes the platform of carrying cargo through guiding mechanism and bearing frame sliding connection, carries cargo the platform and reciprocates in bearing frame through hoist mechanism, carries cargo the platform and passes through the locking mechanical system locking on bearing frame. The utility model discloses area is little, and the running cost is low, and is efficient, can prevent to tumble the occurence of failure after locking mechanism locks, improves the factor of safety in the use.
Description
Technical Field
The utility model relates to a heavy lifting means technical field, in particular to heavy lifting machine with direction and locking function.
Background
When a bridge is constructed, sometimes a mixer truck fully loaded with concrete needs to be lifted to the bridge at a certain fixed point; when stacking is carried out in a workshop in a factory, heavy equipment needs to be transferred between one layer and two or more layers; in some chemical or ore plants, it is sometimes necessary to lift the truck to a corresponding height at a certain entrance and carry it, etc. Although the space is wide outdoors, the large-scale mobile crane can be used for hoisting, the flow crane has high requirements on the ground of driving and vehicle-standing positions, the running cost is very high, and the efficiency is limited; some equipment in the room can be hoisted by a bridge crane, but needs a proper sling and a cargo platform, cannot be guided, has a tipping risk and is low in efficiency. Based on various adaptive working conditions, high-efficiency requirements, operation cost, safety and reliability, the equipment suitable for fixed-point lifting of modern heavy equipment is developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heavy lifting machine with direction and locking function to solve at least one of the problem that exists among the foretell prior art.
The utility model adopts the following technical scheme:
the heavy hoister with the guiding and locking functions comprises a bearing frame, wherein a lifting mechanism, a guiding mechanism and a locking mechanism fixedly connected to the bearing frame are arranged on the bearing frame, the heavy hoister further comprises a loading platform which is in sliding connection with the bearing frame through the guiding mechanism, the loading platform moves up and down in the bearing frame through the lifting mechanism, and the loading platform is locked on the bearing frame through the locking mechanism.
Furthermore, the locking mechanism comprises a box and a controller which are fixedly connected to the bearing frame, a fixing plate is fixedly connected in the box, a top pin penetrates through the fixing plate from the lower part, the top pin is of a step structure, and the bottom of the top pin penetrates through the bottom wall of the box; the upper part of the ejector pin is provided with a nut, the middle part of the ejector pin is sleeved with a return spring, and the upper end of the return spring is pressed on the fixing plate; a proximity switch matched with the ejector pin for use is arranged above the ejector pin; a lock pin capable of horizontally rotating penetrates through the fixed plate, the bottom of the lock pin penetrates through the bottom wall of the box, a bolt is fixedly inserted into the upper part of the lock pin, one end of the bolt is hinged with an air cylinder, and one end of the air cylinder is hinged on the inner side wall of the box; the input end of the controller is electrically connected with the proximity switch, and the output end of the controller is electrically connected with the air cylinder; the goods carrying table is fixedly connected with a lock pin seat, and the upper part of the lock pin seat is provided with a long hole matched with the lock pin for use.
Furthermore, an unlocking limit pin and a locking limit pin which are matched with the bolt for use are fixedly connected to the fixing plate respectively.
Further, the bolt rotation angle is 90 °.
Furthermore, the goods carrying platform comprises a portal frame, and the guide mechanism comprises a guide seat connected to an end plate of the portal frame, a guide wheel rotatably connected in the guide seat and a fixed shaft; two ends of the fixed shaft respectively penetrate through the end plate and the guide seat and are locked by nuts; the guide mechanism further comprises a guide column which is arranged on the bearing frame and is matched with the guide wheel for use.
Furthermore, a support cylinder is fixedly connected to the inner side of the end plate, a guide cylinder is fixedly connected to the guide seat, the guide cylinder is inserted into the end plate of the portal frame, the fixed shaft is inserted into the guide cylinder and the support cylinder, locking nuts are arranged at two ends of the fixed shaft, a tensioning spring is sleeved on the fixed shaft, one end of the tensioning spring is in compression joint with the guide seat, and the other end of the tensioning spring is in compression joint with the support cylinder; a certain distance is reserved between the locking nut in the door-shaped frame and the supporting cylinder, and the length of the distance is smaller than the length of the guide cylinder inserted into the end plate of the door-shaped frame.
Furthermore, the guide post is a circular tube, and the guide surface of the guide wheel is an arc surface.
Furthermore, the lifting mechanism comprises a motor fixedly connected to the bearing frame, a speed reducer connected with the motor, a winding drum rotatably connected to the bearing frame and driven by the motor, a guide pulley block, a fixed pulley block and a movable pulley block rotatably connected to the cargo carrying platform, the motor is electrically connected with the output end of the controller, a steel wire rope of the winding drum sequentially passes through the guide pulley block, the fixed pulley block and the movable pulley block on one side and then winds the movable pulley block, the fixed pulley block and the guide pulley block on the other side to be fixedly connected to the bearing frame, and the winding drum is driven by the motor to enable the steel wire rope to be retracted to achieve lifting of the cargo carrying platform.
Furthermore, the bottom of the cargo carrying platform is provided with a buffer block.
The utility model has the advantages as follows:
1. the utility model discloses a last hoist mechanism, the locking mechanical system of guiding mechanism and fixed connection on bearing frame that is equipped with of bearing frame still includes the platform of carrying cargo through guiding mechanism and bearing frame sliding connection, carries cargo the platform and reciprocates in bearing frame through hoist mechanism, carries cargo the platform and passes through the locking mechanical system locking on bearing frame. The utility model discloses area is little, and the running cost is low, and is efficient, can prevent to tumble the occurence of failure after locking mechanism locks, improves the factor of safety in the use.
2. After the lower end of the lock pin is inserted into the elongated hole in the lock pin seat, the air cylinder extends out to enable the bolt to rotate, the bolt drives the lock pin to horizontally rotate 90 degrees, the lower end of the lock pin drags the lock pin seat, and the cargo carrying platform is prevented from dropping or inclining.
3. The tensioning spring is arranged between the guide seat and the door-shaped frame of the guide mechanism of the utility model, so that the cargo platform can play a role of buffering when moving up and down, and the friction force between the cargo platform and the guide post is reduced; a certain distance is reserved between the locking nut and the supporting cylinder in the door-shaped frame, the length of the distance is smaller than the length of the guide cylinder inserted into the end plate of the door-shaped frame, and the guide seat can be prevented from being separated from the goods carrying table by the structure.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic perspective view of a cargo bed of the present invention;
fig. 5 is a schematic structural view of the guiding mechanism of the present invention;
FIG. 6 is a horizontal end sectional view of the guide mechanism of FIG. 5;
fig. 7 is a schematic perspective view of the locking mechanism of the present invention;
FIG. 8 is a side view of FIG. 7;
FIG. 9 is a schematic view of the internal perspective of the locking mechanism of FIG.;
FIG. 10 is a front view of FIG. 9;
fig. 11 is a left side view of fig. 10.
Shown in the figure: 1-bearing frame, 2-cargo bed, 201-gantry, 202-buffer block, 203-lock pin seat, 3-lifting mechanism, 301-motor, 302-reducer, 303-winding drum, 304-guide pulley block, 305-fixed pulley block, 306-movable pulley block, 4-guide mechanism, 401-guide seat, 402-guide wheel, 403-guide drum, 404-support drum, 405-tension spring, 406-locking nut, 407-fixed shaft, 5-locking mechanism, 501-lock pin seat, 502-box, 503-fixed plate, 504-top pin, 505-lock pin, 506-approach switch, 507-bolt, 508-cylinder, 509-lock limit pin, 510-unlock limit pin and 511-reset spring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solution of the present invention will be further explained with reference to fig. 1 to 11.
The utility model provides a heavy lifting machine with direction and locking function, includes load frame 1, is equipped with hoist mechanism 3, guiding mechanism 4 and fixed connection locking mechanical system 5 on load frame 1, still includes the cargo bed 2 through guiding mechanism 4 and load frame 1 sliding connection, and cargo bed 2 reciprocates in load frame 1 through hoist mechanism 3, and cargo bed 2 passes through locking mechanical system 5 locking on load frame 1.
The lifting mechanism 3 comprises two motors 301 fixedly connected to the top of the bearing frame 1, the two motors 301 are connected with a speed reducer 302, the speed reducer 302 is connected with two winding drums 303, the winding drums 303 are rotatably connected to the bearing frame 1, four guide pulley blocks 304 are provided, the two motors 301 are respectively and fixedly connected to four corners of the top of the bearing frame 1, the top of the bearing frame 1 is provided with four fixed pulley blocks 305 matched with the guide pulley blocks 304 for use, four corners of the top of the portal frame of the cargo carrying platform 2 are provided with four movable pulley blocks 306 matched with the fixed pulley blocks 305 for use, and the bottom of the cargo carrying platform 2 is further provided with. The steel wire rope of the winding drum 303 passes through the guide pulley block, the fixed pulley block and the movable pulley block on one side in sequence, then winds to the movable pulley block, the fixed pulley block 305 and the guide pulley block 304 on the other side, and then is fixedly connected to the bearing frame 1, and the winding drum 303 is driven by the motor 301 to enable the steel wire rope to be retracted, so that the cargo carrying platform 2 is lifted.
Four angles in top and four angles in bottom of 2 door type framves of loading platform all are equipped with guide holder 401, and leading wheel 402 is connected to the rotation in guide holder 401, and fixedly connected with leading wheel 402 cooperation guide post that uses on the bearing frame 1, the guide post is the pipe, and the guide wheel spigot surface is the arc surface. A support cylinder 404 is fixedly connected to the inner side of an end plate of the door-shaped frame 201, a guide base 401 is fixedly connected with a guide cylinder 403, the guide cylinder 403 is inserted into the end plate of the door-shaped frame 201, a fixed shaft 407 is inserted into the guide cylinder 403 and the support cylinder 404, locking nuts 406 are arranged at two ends of the fixed shaft, a tensioning spring 405 is sleeved on the fixed shaft 407, one end of the tensioning spring 405 is in compression joint with the guide base 401, and the other end of the tensioning spring 405 is in compression joint with the support cylinder 404; the locking nut 406 in the gantry 201 is spaced from the support cylinder 404 by a distance less than the length of the guide cylinder 403 inserted into the end plate of the gantry 201.
The locking mechanism 5 comprises a box fixedly connected to the bearing frame 1 and a controller, a fixing plate 503 is fixedly connected in the box, a top pin 504 penetrates through the fixing plate 503 from the lower part, the top pin 504 is of a step structure, and the bottom of the top pin 504 penetrates through the bottom wall of the box 502; the upper part of the ejector pin 504 is provided with a nut, the middle part is sleeved with a return spring 511, and the upper end of the return spring 511 is pressed on the fixing plate 503; a proximity switch 506 matched with the top pin 504 is arranged above the top pin 504; a lock pin 505 capable of horizontally rotating penetrates through the fixing plate 503, the bottom of the lock pin 505 penetrates through the bottom wall of the box 502, a bolt 507 is fixedly inserted at the upper part of the lock pin 505, one end of the bolt 507 is hinged with a cylinder 508, and one end of the cylinder 508 is hinged on the inner side wall of the box 502; the input end of the controller is electrically connected with the proximity switch, and the output end of the controller is electrically connected with the air cylinder 508 and the motor 301; the cargo platform 2 is fixedly connected with a lock pin seat 203, and the upper part of the lock pin seat 203 is provided with a long hole matched with the lock pin 505. An unlocking limit pin 510 and a locking limit pin 509 which are matched with the bolt 507 for use are fixedly connected to the fixing plate 503 respectively, and the rotation angle of the bolt 507 is 90 degrees.
The working process of the utility model is as follows:
the cargo carrying platform is positioned at the bottom of the bearing frame, the cargo vehicle runs onto the cargo carrying platform, after the cargo vehicle stops stably, the motor is started, the motor drives the winding drum to rotate to retract the steel wire rope, and the steel wire rope is matched with the guide wheel set, the fixed pulley block and the movable pulley block to lift the cargo carrying platform. The leading wheel upwards rotates along the guide post, carry cargo bed 2 under the direction of guiding mechanism 4, the level is stable to be promoted, when the case lower plane on bearing frame 1 is touchhed to the plane on the lockpin seat 501 on carrying cargo bed 2, the lockpin steel inserts in the elongated hole of lockpin seat well, and with the knock-pin jack-up that makes progress, trigger proximity switch, proximity switch gives an instruction, motor stop motion, the cylinder stretches out, promote the bolt, it is rotatory to drive the lockpin, it is spacing by the shutting spacer pin after targetting in place, the lockpin seat is pinned to the lockpin this moment, thereby mechanical locking carries cargo bed 2, truck drives out.
After the work is finished, the vehicle drives into the cargo carrying platform again. The cylinder is started, the bolt is pulled to drive the lock pin to rotate, the lock pin is limited by the locking limiting pin after the bolt is in place, and the lock pin seat is unlocked by the lock pin, so that the cargo carrying platform 2 is mechanically unlocked. Then the motor works, the reel is rotated to lower the loading platform 2, the falling process still depends on the guide of the guide mechanism, after the falling is carried out to the lowest point, the buffer block is used for buffering, and the vehicle is driven out after being stopped stably.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The heavy hoister with the guiding and locking functions comprises a bearing frame and is characterized in that a lifting mechanism, a guiding mechanism and a locking mechanism fixedly connected to the bearing frame are arranged on the bearing frame, the heavy hoister further comprises a loading platform connected with the bearing frame in a sliding mode through the guiding mechanism, the loading platform moves up and down in the bearing frame through the lifting mechanism, and the loading platform is locked on the bearing frame through the locking mechanism.
2. The heavy-duty hoisting machine with the functions of guiding and locking as claimed in claim 1, wherein the locking mechanism comprises a box fixedly connected to the carrying frame and a controller, a fixed plate is fixedly connected to the inside of the box, a top pin is arranged on the fixed plate from the lower part of the fixed plate in a penetrating manner, the top pin is of a step structure, and the bottom of the top pin penetrates through the bottom wall of the box; the upper part of the ejector pin is provided with a nut, the middle part of the ejector pin is sleeved with a return spring, and the upper end of the return spring is pressed on the fixing plate; a proximity switch matched with the ejector pin for use is arranged above the ejector pin; a lock pin capable of horizontally rotating penetrates through the fixed plate, the bottom of the lock pin penetrates through the bottom wall of the box, a bolt is fixedly inserted into the upper part of the lock pin, one end of the bolt is hinged with an air cylinder, and one end of the air cylinder is hinged on the inner side wall of the box; the input end of the controller is electrically connected with the proximity switch, and the output end of the controller is electrically connected with the air cylinder; the goods carrying table is fixedly connected with a lock pin seat, and the upper part of the lock pin seat is provided with a long hole matched with the lock pin for use.
3. The heavy lift machine with guiding and locking functions as claimed in claim 2, wherein an unlocking limit pin and a locking limit pin used in cooperation with the inserted pin are respectively fixedly connected to the fixing plate.
4. The heavy lift machine with guiding and locking function as claimed in claim 3, wherein the rotation angle of the latch is 90 °.
5. The heavy lift machine with guiding and locking functions as claimed in claim 1, wherein the cargo bed comprises a gantry, and the guiding mechanism comprises a guiding seat connected to an end plate of the gantry, a guiding wheel rotatably connected in the guiding seat and a fixed shaft; two ends of the fixed shaft respectively penetrate through the end plate and the guide seat and are locked by nuts; the guide mechanism further comprises a guide column which is arranged on the bearing frame and is matched with the guide wheel for use.
6. The heavy type hoist with the guiding and locking functions as claimed in claim 5, wherein a supporting cylinder is fixedly connected to the inner side of the end plate, a guide cylinder is fixedly connected to the guiding seat, the guide cylinder is inserted into the end plate of the gantry, the fixing shaft is inserted into the guide cylinder and the supporting cylinder, locking nuts are arranged at two ends of the fixing shaft, a tension spring is sleeved on the fixing shaft, one end of the tension spring is pressed against the guiding seat, and the other end of the tension spring is pressed against the supporting cylinder; a certain distance is reserved between the locking nut in the door-shaped frame and the supporting cylinder, and the length of the distance is smaller than the length of the guide cylinder inserted into the end plate of the door-shaped frame.
7. The heavy lift machine with guiding and locking functions as claimed in claim 5, wherein the guide post is a circular tube, and the guide surface of the guide wheel is a circular arc surface.
8. The heavy lift machine with guiding and locking functions as claimed in claim 2, wherein the lifting mechanism comprises a motor fixedly connected to the carrying frame, a speed reducer connected to the motor, a winding drum rotatably connected to the carrying frame and driven by the motor, a guiding pulley block, a fixed pulley block and a movable pulley block rotatably connected to the cargo carrying platform, the motor is electrically connected to the output end of the controller, the steel wire rope of the winding drum passes through the guiding pulley block, the fixed pulley block and the movable pulley block on one side and then winds around the movable pulley block, the fixed pulley block and the guiding pulley block on the other side, and the steel wire rope is retracted by the motor to lift the cargo carrying platform.
9. The heavy lift machine with guiding and locking functions as claimed in claim 1, wherein a buffer block is provided at the bottom of the cargo bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214426.4U CN212450442U (en) | 2020-06-28 | 2020-06-28 | Heavy type lifting machine with guiding and locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214426.4U CN212450442U (en) | 2020-06-28 | 2020-06-28 | Heavy type lifting machine with guiding and locking functions |
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| Publication Number | Publication Date |
|---|---|
| CN212450442U true CN212450442U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021214426.4U Active CN212450442U (en) | 2020-06-28 | 2020-06-28 | Heavy type lifting machine with guiding and locking functions |
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| CN (1) | CN212450442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606239A (en) * | 2020-06-28 | 2020-09-01 | 河南卫华特种车辆有限公司 | Heavy type lifting machine with guiding and locking functions |
-
2020
- 2020-06-28 CN CN202021214426.4U patent/CN212450442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606239A (en) * | 2020-06-28 | 2020-09-01 | 河南卫华特种车辆有限公司 | Heavy type lifting machine with guiding and locking functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210728 Address after: 110000 No. 83, Tiexi North Street, Kaiyuan Economic Development Zone, Kaiyuan city, Tieling City, Liaoning Province Patentee after: LIAONING HUAYUAN HEAVY EQUIPMENT Co.,Ltd. Address before: 453400 Puxi office, Changyuan County, Xinxiang City, Henan Province Patentee before: HENAN WEIHUA SPECIAL VEHICLE Co.,Ltd. |
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| TR01 | Transfer of patent right |